diff options
author | peter <peter@FreeBSD.org> | 2001-09-18 23:32:09 +0000 |
---|---|---|
committer | peter <peter@FreeBSD.org> | 2001-09-18 23:32:09 +0000 |
commit | 85182a8d785d189f1e845c7d66810e3977ac161b (patch) | |
tree | 626c88f61c1e52e9cd18eaec61b54aaaee5d3bfc /sys/nfsserver | |
parent | abe9cf18de01077e00cd2ee3d47363af647e65e4 (diff) | |
download | FreeBSD-src-85182a8d785d189f1e845c7d66810e3977ac161b.zip FreeBSD-src-85182a8d785d189f1e845c7d66810e3977ac161b.tar.gz |
Cleanup and split of nfs client and server code.
This builds on the top of several repo-copies.
Diffstat (limited to 'sys/nfsserver')
-rw-r--r-- | sys/nfsserver/nfs.h | 530 | ||||
-rw-r--r-- | sys/nfsserver/nfs_serv.c | 853 | ||||
-rw-r--r-- | sys/nfsserver/nfs_srvcache.c | 72 | ||||
-rw-r--r-- | sys/nfsserver/nfs_srvsock.c | 1807 | ||||
-rw-r--r-- | sys/nfsserver/nfs_srvsubs.c | 1399 | ||||
-rw-r--r-- | sys/nfsserver/nfs_syscalls.c | 694 | ||||
-rw-r--r-- | sys/nfsserver/nfsm_subs.h | 561 | ||||
-rw-r--r-- | sys/nfsserver/nfsrvcache.h | 8 | ||||
-rw-r--r-- | sys/nfsserver/nfsrvstats.h | 680 |
9 files changed, 1076 insertions, 5528 deletions
diff --git a/sys/nfsserver/nfs.h b/sys/nfsserver/nfs.h index da808f4..93e56eb 100644 --- a/sys/nfsserver/nfs.h +++ b/sys/nfsserver/nfs.h @@ -37,8 +37,8 @@ * $FreeBSD$ */ -#ifndef _NFS_NFS_H_ -#define _NFS_NFS_H_ +#ifndef _NFSSERVER_NFS_H_ +#define _NFSSERVER_NFS_H_ #ifdef _KERNEL #include "opt_nfs.h" @@ -48,41 +48,16 @@ * Tunable constants for nfs */ -#define NFS_MAXIOVEC 34 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ -#define NFS_MAXREXMIT 100 /* Stop counting after this many */ -#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ -#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ -#define NFS_MAXGRPS 16 /* Max. size of groups list */ -#ifndef NFS_MINATTRTIMO -#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ -#endif -#ifndef NFS_MAXATTRTIMO -#define NFS_MAXATTRTIMO 60 -#endif -#ifndef NFS_MINDIRATTRTIMO -#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ -#endif -#ifndef NFS_MAXDIRATTRTIMO -#define NFS_MAXDIRATTRTIMO 60 -#endif -#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ -#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ -#define NFS_READDIRSIZE 8192 /* Def. readdir size */ -#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ -#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ -#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ -#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ #ifndef NFS_GATHERDELAY #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ #endif -#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ #ifdef _KERNEL #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ #endif @@ -90,10 +65,6 @@ /* * Oddballs */ -#define NMOD(a) ((a) % nfs_asyncdaemons) -#define NFS_CMPFH(n, f, s) \ - ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) -#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) #define NFS_SRVMAXDATA(n) \ (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) @@ -113,75 +84,10 @@ #define IO_METASYNC 0 #endif -/* - * Arguments to mount NFS - */ -#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ -struct nfs_args { - int version; /* args structure version number */ - struct sockaddr *addr; /* file server address */ - int addrlen; /* length of address */ - int sotype; /* Socket type */ - int proto; /* and Protocol */ - u_char *fh; /* File handle to be mounted */ - int fhsize; /* Size, in bytes, of fh */ - int flags; /* flags */ - int wsize; /* write size in bytes */ - int rsize; /* read size in bytes */ - int readdirsize; /* readdir size in bytes */ - int timeo; /* initial timeout in .1 secs */ - int retrans; /* times to retry send */ - int maxgrouplist; /* Max. size of group list */ - int readahead; /* # of blocks to readahead */ - int leaseterm; /* Term (sec) of lease */ - int deadthresh; /* Retrans threshold */ - char *hostname; /* server's name */ - int acregmin; /* cache attrs for reg files min time */ - int acregmax; /* cache attrs for reg files max time */ - int acdirmin; /* cache attrs for dirs min time */ - int acdirmax; /* cache attrs for dirs max time */ -}; -/* - * NFS mount option flags - */ -#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ -#define NFSMNT_WSIZE 0x00000002 /* set write size */ -#define NFSMNT_RSIZE 0x00000004 /* set read size */ -#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ -#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ -#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ -#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ -#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ -#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ -#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ -#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ -#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ -#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ -#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ -#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ -#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ -#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ -#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ -#define NFSMNT_ACREGMIN 0x00040000 -#define NFSMNT_ACREGMAX 0x00080000 -#define NFSMNT_ACDIRMIN 0x00100000 -#define NFSMNT_ACDIRMAX 0x00200000 - -#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ -#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ -#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ -#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ -#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ -#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ -#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ -#define NFSSTA_WANTSND 0x02000000 /* Want above */ -#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ -#define NFSSTA_WANTRCV 0x08000000 /* Want above */ -#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ -#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ -#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ -#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ +/* NFS state flags XXX -Wunused */ +#define NFSRV_SNDLOCK 0x01000000 /* Send socket lock */ +#define NFSRV_WANTSND 0x02000000 /* Want above */ /* * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs @@ -204,7 +110,6 @@ struct nfsd_srvargs { u_char *nsd_verfstr; struct timeval nsd_timestamp; /* timestamp from verifier */ u_int32_t nsd_ttl; /* credential ttl (sec) */ - NFSKERBKEY_T nsd_key; /* Session key */ }; struct nfsd_cargs { @@ -215,180 +120,69 @@ struct nfsd_cargs { u_char *ncd_authstr; /* Authenticator string */ u_int ncd_verflen; /* and the verifier */ u_char *ncd_verfstr; - NFSKERBKEY_T ncd_key; /* Session key */ }; /* * XXX to allow amd to include nfs.h without nfsproto.h */ #ifdef NFS_NPROCS -/* - * Stats structure - */ -struct nfsstats { - int attrcache_hits; - int attrcache_misses; - int lookupcache_hits; - int lookupcache_misses; - int direofcache_hits; - int direofcache_misses; - int biocache_reads; - int read_bios; - int read_physios; - int biocache_writes; - int write_bios; - int write_physios; - int biocache_readlinks; - int readlink_bios; - int biocache_readdirs; - int readdir_bios; - int rpccnt[NFS_NPROCS]; - int rpcretries; - int srvrpccnt[NFS_NPROCS]; - int srvrpc_errs; - int srv_errs; - int rpcrequests; - int rpctimeouts; - int rpcunexpected; - int rpcinvalid; - int srvcache_inproghits; - int srvcache_idemdonehits; - int srvcache_nonidemdonehits; - int srvcache_misses; - int srvnqnfs_leases; - int srvnqnfs_maxleases; - int srvnqnfs_getleases; - int srvvop_writes; - int accesscache_hits; - int accesscache_misses; -}; +#include <nfsserver/nfsrvstats.h> #endif /* * Flags for nfssvc() system call. */ -#define NFSSVC_BIOD 0x002 #define NFSSVC_NFSD 0x004 #define NFSSVC_ADDSOCK 0x008 -#define NFSSVC_AUTHIN 0x010 -#define NFSSVC_GOTAUTH 0x040 -#define NFSSVC_AUTHINFAIL 0x080 -#define NFSSVC_MNTD 0x100 -#define NFSSVC_LOCKDANS 0x200 /* - * fs.nfs sysctl(3) identifiers + * vfs.nfsrv sysctl(3) identifiers */ -#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ +#define NFS_NFSRVSTATS 1 /* struct: struct nfsrvstats */ #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ -#define FS_NFS_NAMES { \ - { 0, 0 }, \ - { "nfsstats", CTLTYPE_STRUCT }, \ - { "nfsprivport", CTLTYPE_INT }, \ -} - #ifdef _KERNEL #ifdef MALLOC_DECLARE -MALLOC_DECLARE(M_NFSREQ); -MALLOC_DECLARE(M_NFSDIROFF); MALLOC_DECLARE(M_NFSRVDESC); -MALLOC_DECLARE(M_NFSUID); -MALLOC_DECLARE(M_NQLEASE); MALLOC_DECLARE(M_NFSD); -MALLOC_DECLARE(M_NFSBIGFH); -MALLOC_DECLARE(M_NFSHASH); #endif -#ifdef ZONE_INTERRUPT -extern vm_zone_t nfsmount_zone; -#endif +/* Forward declarations */ +struct nfssvc_sock; +struct nfsrv_descript; +struct uio; +struct vattr; +struct nameidata; -extern struct callout_handle nfs_timer_handle; +extern struct callout_handle nfsrv_timer_handle; +extern struct nfsrvstats nfsrvstats; -struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ +extern int nfs_ticks; +extern int nfsrvw_procrastinate; +extern int nfsrvw_procrastinate_v3; -/* - * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. - * What should be in this set is open to debate, but I believe that since - * I/O system calls on ufs are never interrupted by signals the set should - * be minimal. My reasoning is that many current programs that use signals - * such as SIGALRM will not expect file I/O system calls to be interrupted - * by them and break. - */ -#define NFSINT_SIGMASK(set) \ - (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ - SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ - SIGISMEMBER(set, SIGQUIT)) - -/* - * Socket errors ignored for connectionless sockets?? - * For now, ignore them all - */ -#define NFSIGNORE_SOERROR(s, e) \ - ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ - ((s) & PR_CONNREQUIRED) == 0) - -/* - * Nfs outstanding request list element - */ -struct nfsreq { - TAILQ_ENTRY(nfsreq) r_chain; - struct mbuf *r_mreq; - struct mbuf *r_mrep; - struct mbuf *r_md; - caddr_t r_dpos; - struct nfsmount *r_nmp; - struct vnode *r_vp; - u_int32_t r_xid; - int r_flags; /* flags on request, see below */ - int r_retry; /* max retransmission count */ - int r_rexmit; /* current retrans count */ - int r_timer; /* tick counter on reply */ - u_int32_t r_procnum; /* NFS procedure number */ - int r_rtt; /* RTT for rpc */ - struct thread *r_td; /* Proc that did I/O system call */ -}; +/* Various values converted to XDR form. */ +extern u_int32_t nfs_false, nfs_true, nfs_xdrneg1, nfs_prog; +extern u_int32_t rpc_reply, rpc_msgdenied, rpc_mismatch, rpc_vers; +extern u_int32_t rpc_auth_unix, rpc_msgaccepted, rpc_call, rpc_autherr; -/* - * Queue head for nfsreq's - */ -extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; - -/* Flag values for r_flags */ -#define R_TIMING 0x01 /* timing request (in mntp) */ -#define R_SENT 0x02 /* request has been sent */ -#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ -#define R_INTR 0x08 /* intr mnt, signal pending */ -#define R_SOCKERR 0x10 /* Fatal error on socket */ -#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ -#define R_MUSTRESEND 0x40 /* Must resend request */ -#define R_GETONEREP 0x80 /* Probe for one reply only */ +/* Procedure table data */ +extern int nfsrvv2_procid[NFS_NPROCS]; +extern int nfsv3_procid[NFS_NPROCS]; +extern int32_t (*nfsrv3_procs[NFS_NPROCS])(struct nfsrv_descript *nd, + struct nfssvc_sock *slp, struct thread *td, + struct mbuf **mreqp); /* * A list of nfssvc_sock structures is maintained with all the sockets * that require service by the nfsd. - * The nfsuid structs hang off of the nfssvc_sock structs in both lru - * and uid hash lists. */ -#ifndef NFS_UIDHASHSIZ -#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ -#endif -#define NUIDHASH(sock, uid) \ - (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) #ifndef NFS_WDELAYHASHSIZ #define NFS_WDELAYHASHSIZ 16 /* and with this */ #endif #define NWDELAYHASH(sock, f) \ (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) -#ifndef NFS_MUIDHASHSIZ -#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ -#endif -#define NMUIDHASH(nmp, uid) \ - (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) -#define NFSNOHASH(fhsum) \ - (&nfsnodehashtbl[(fhsum) & nfsnodehash]) /* * Network address hash list element @@ -398,18 +192,6 @@ union nethostaddr { struct sockaddr *had_nam; }; -struct nfsuid { - TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ - LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ - int nu_flag; /* Flags */ - union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ - struct ucred nu_cr; /* Cred uid mapped to */ - int nu_expire; /* Expiry time (sec) */ - struct timeval nu_timestamp; /* Kerb. timestamp */ - u_int32_t nu_nickname; /* Nickname on server */ - NFSKERBKEY_T nu_key; /* and session key */ -}; - #define nu_inetaddr nu_haddr.had_inetaddr #define nu_nam nu_haddr.had_nam /* Bits for nu_flag */ @@ -425,7 +207,6 @@ struct nfsrv_rec { struct nfssvc_sock { TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ - TAILQ_HEAD(, nfsuid) ns_uidlruhead; struct file *ns_fp; struct socket *ns_so; struct sockaddr *ns_nam; @@ -437,10 +218,8 @@ struct nfssvc_sock { int ns_solock; int ns_cc; int ns_reclen; - int ns_numuids; u_int32_t ns_sref; LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ - LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; }; @@ -476,8 +255,6 @@ struct nfsd { /* Bits for "nfsd_flag" */ #define NFSD_WAITING 0x01 #define NFSD_REQINPROG 0x02 -#define NFSD_NEEDAUTH 0x04 -#define NFSD_AUTHFAIL 0x08 /* * This structure is used by the server for describing each request. @@ -488,8 +265,8 @@ struct nfsrv_descript { off_t nd_off; /* Start byte offset */ off_t nd_eoff; /* and end byte offset */ LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ - LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ - LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ + LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ + LIST_HEAD(, nfsrv_descript) nd_coalesce;/* coalesced writes */ struct mbuf *nd_mrep; /* Request mbuf list */ struct mbuf *nd_md; /* Current dissect mbuf */ struct mbuf *nd_mreq; /* Reply mbuf list */ @@ -502,22 +279,13 @@ struct nfsrv_descript { int nd_len; /* Length of this write */ int nd_repstat; /* Reply status */ u_int32_t nd_retxid; /* Reply xid */ - u_int32_t nd_duration; /* Lease duration */ struct timeval nd_starttime; /* Time RPC initiated */ fhandle_t nd_fh; /* File handle */ struct ucred nd_cr; /* Credentials */ }; /* Bits for "nd_flag" */ -#define ND_READ LEASE_READ -#define ND_WRITE LEASE_WRITE -#define ND_CHECK 0x04 -#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) #define ND_NFSV3 0x08 -#define ND_NQNFS 0x10 -#define ND_KERBNICK 0x20 -#define ND_KERBFULL 0x40 -#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; extern int nfsd_head_flag; @@ -531,8 +299,7 @@ extern int nfsd_head_flag; !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) #define NFSW_SAMECRED(o, n) \ - (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ - !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ + (!bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ sizeof (struct ucred))) /* @@ -577,151 +344,94 @@ extern int nfs_debug; #endif -u_quad_t nfs_curusec __P((void)); -int nfs_init __P((struct vfsconf *vfsp)); -int nfs_uninit __P((struct vfsconf *vfsp)); -int nfs_reply __P((struct nfsreq *)); -int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); -int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, - struct nfsreq *)); -int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, - int, int, u_quad_t *, struct mbuf **, struct mbuf **, - caddr_t *)); -int nfs_sndlock __P((struct nfsreq *)); -void nfs_sndunlock __P((struct nfsreq *)); -int nfs_slplock __P((struct nfssvc_sock *, int)); -void nfs_slpunlock __P((struct nfssvc_sock *)); -int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct thread *, - int)); -int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, - int *)); -int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt, - struct ucred *cred, struct thread *td)); -int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_asyncio __P((struct buf *, struct ucred *, struct thread *)); -int nfs_doio __P((struct buf *, struct ucred *, struct thread *)); -int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); -int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, - struct nfs_fattr *)); -void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, - struct vattr *, struct mbuf **, char **)); -void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, - struct mbuf **, char **)); -int netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); -int nfs_request __P((struct vnode *, struct mbuf *, int, struct thread *, - struct ucred *, struct mbuf **, struct mbuf **, - caddr_t *)); -int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, - struct vattr *, int)); -int nfs_namei __P((struct nameidata *, fhandle_t *, int, - struct nfssvc_sock *, struct sockaddr *, struct mbuf **, - caddr_t *, struct vnode **, struct thread *, int, int)); -void nfsm_adj __P((struct mbuf *, int, int)); -int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); -void nfsrv_initcache __P((void)); -int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, - char **, int *, char *, int *, NFSKERBKEY_T)); -int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, - int *, char *, int)); -int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, - NFSKERBKEY_T, struct mbuf **, char **, - struct mbuf *)); -int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); -void nfs_nhinit __P((void)); -void nfs_timer __P((void*)); -int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, - struct nfsrv_descript **)); -int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, - struct mbuf **)); -void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); -void nfsrv_cleancache __P((void)); -int nfs_connect __P((struct nfsmount *, struct nfsreq *)); -void nfs_disconnect __P((struct nfsmount *)); -void nfs_safedisconnect __P((struct nfsmount *)); -int nfs_getattrcache __P((struct vnode *, struct vattr *)); -int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); -int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *)); -int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); -void nfsrv_init __P((int)); -void nfs_clearcommit __P((struct mount *)); -int nfsrv_errmap __P((struct nfsrv_descript *, int)); -void nfsrvw_sort __P((gid_t *, int)); -void nfsrv_setcred __P((struct ucred *, struct ucred *)); -int nfs_writebp __P((struct buf *, int, struct thread *)); -int nfsrv_object_create __P((struct vnode *)); -void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); -int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, - struct thread *, struct mbuf **)); -int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, - struct thread *td)); - -int nfsrv3_access __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, - struct nfssvc_sock *, struct sockaddr *, int *, - int, int)); -int nfsrv_setpublicfs __P((struct mount *, struct netexport *, - struct export_args *)); -int nfs_ispublicfh __P((fhandle_t *)); -int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_readdir __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_readlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_setattr __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_statfs __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_symlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag)); -void nfsrv_slpderef __P((struct nfssvc_sock *slp)); +int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); +int nfsrv_send(struct socket *, struct sockaddr *, struct mbuf *); +void nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, + int, struct mbuf **, struct mbuf **, caddr_t *); +int nfs_slplock(struct nfssvc_sock *, int); +void nfs_slpunlock(struct nfssvc_sock *); +void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, + struct nfs_fattr *); +void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, + struct vattr *, struct mbuf **, char **); +void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, + struct mbuf **, char **); +int netaddr_match(int, union nethostaddr *, struct sockaddr *); +int nfs_namei(struct nameidata *, fhandle_t *, int, + struct nfssvc_sock *, struct sockaddr *, struct mbuf **, + caddr_t *, struct vnode **, struct thread *, int); +void nfsm_adj(struct mbuf *, int, int); +int nfsm_mbuftouio(struct mbuf **, struct uio *, int, caddr_t *); +void nfsrv_initcache(void); +void nfsrv_timer(void*); +int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, + struct nfsrv_descript **); +int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, + struct mbuf **); +void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); +void nfsrv_cleancache(void); +void nfsrv_init(int); +int nfsrv_errmap(struct nfsrv_descript *, int); +void nfsrvw_sort(gid_t *, int); +void nfsrv_setcred(struct ucred *, struct ucred *); +int nfsrv_object_create(struct vnode *); +void nfsrv_wakenfsd(struct nfssvc_sock *slp); +int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, + struct thread *, struct mbuf **); + +int nfsrv3_access(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_commit(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_create(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_fhtovp(fhandle_t *, int, struct vnode **, struct ucred *, + struct nfssvc_sock *, struct sockaddr *, int *, int); +int nfsrv_setpublicfs(struct mount *, struct netexport *, + struct export_args *); +int nfs_ispublicfh(fhandle_t *); +int nfsrv_fsinfo(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_getattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_link(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_lookup(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_mkdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_mknod(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_noop(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_null(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_pathconf(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_read(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_readdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_readdirplus(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_readlink(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_remove(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_rename(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_rmdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_setattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_statfs(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_symlink(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +int nfsrv_write(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq); +void nfsrv_rcv(struct socket *so, void *arg, int waitflag); +void nfsrv_slpderef(struct nfssvc_sock *slp); #endif /* _KERNEL */ #endif diff --git a/sys/nfsserver/nfs_serv.c b/sys/nfsserver/nfs_serv.c index 0469388..901250f 100644 --- a/sys/nfsserver/nfs_serv.c +++ b/sys/nfsserver/nfs_serv.c @@ -34,9 +34,11 @@ * SUCH DAMAGE. * * @(#)nfs_serv.c 8.8 (Berkeley) 7/31/95 - * $FreeBSD$ */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + /* * nfs version 2 and 3 server calls to vnode ops * - these routines generally have 3 phases @@ -94,10 +96,9 @@ #include <nfs/nfsproto.h> #include <nfs/rpcv2.h> -#include <nfs/nfs.h> +#include <nfsserver/nfs.h> #include <nfs/xdr_subs.h> -#include <nfs/nfsm_subs.h> -#include <nfs/nqnfs.h> +#include <nfsserver/nfsm_subs.h> #ifdef NFSRV_DEBUG #define nfsdbprintf(info) printf info @@ -113,51 +114,46 @@ #define NHUSE_MAX 2048 static struct nfsheur { - struct vnode *nh_vp; /* vp to match (unreferenced pointer) */ - off_t nh_nextr; /* next offset for sequential detection */ - int nh_use; /* use count for selection */ - int nh_seqcount; /* heuristic */ + struct vnode *nh_vp; /* vp to match (unreferenced pointer) */ + off_t nh_nextr; /* next offset for sequential detection */ + int nh_use; /* use count for selection */ + int nh_seqcount; /* heuristic */ } nfsheur[NUM_HEURISTIC]; -nfstype nfsv3_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, NFSOCK, - NFFIFO, NFNON }; -#ifndef NFS_NOSERVER -nfstype nfsv2_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, NFNON, - NFCHR, NFNON }; /* Global vars */ -extern u_int32_t nfs_xdrneg1; -extern u_int32_t nfs_false, nfs_true; -extern enum vtype nv3tov_type[8]; -extern struct nfsstats nfsstats; int nfsrvw_procrastinate = NFS_GATHERDELAY * 1000; int nfsrvw_procrastinate_v3 = 0; static struct timeval nfsver = { 0 }; -SYSCTL_DECL(_vfs_nfs); +SYSCTL_NODE(_vfs, OID_AUTO, nfsrv, CTLFLAG_RW, 0, "NFS server"); static int nfs_async; -SYSCTL_INT(_vfs_nfs, OID_AUTO, async, CTLFLAG_RW, &nfs_async, 0, ""); static int nfs_commit_blks; static int nfs_commit_miss; -SYSCTL_INT(_vfs_nfs, OID_AUTO, commit_blks, CTLFLAG_RW, &nfs_commit_blks, 0, ""); -SYSCTL_INT(_vfs_nfs, OID_AUTO, commit_miss, CTLFLAG_RW, &nfs_commit_miss, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, async, CTLFLAG_RW, &nfs_async, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, commit_blks, CTLFLAG_RW, &nfs_commit_blks, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, commit_miss, CTLFLAG_RW, &nfs_commit_miss, 0, ""); + +struct nfsrvstats nfsrvstats; +SYSCTL_STRUCT(_vfs_nfsrv, NFS_NFSRVSTATS, nfsrvstats, CTLFLAG_RD, + &nfsrvstats, nfsrvstats, "S,nfsrvstats"); -static int nfsrv_access __P((struct vnode *,int,struct ucred *,int, - struct thread *, int)); -static void nfsrvw_coalesce __P((struct nfsrv_descript *, - struct nfsrv_descript *)); +static int nfsrv_access(struct vnode *, int, struct ucred *, int, + struct thread *, int); +static void nfsrvw_coalesce(struct nfsrv_descript *, + struct nfsrv_descript *); /* * Clear nameidata fields that are tested in nsfmout cleanup code prior * to using first nfsm macro (that might jump to the cleanup code). */ -static __inline -void +static __inline void ndclear(struct nameidata *nd) { + nd->ni_cnd.cn_flags = 0; nd->ni_vp = NULL; nd->ni_dvp = NULL; @@ -168,11 +164,8 @@ ndclear(struct nameidata *nd) * nfs v3 access service */ int -nfsrv3_access(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv3_access(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; @@ -181,25 +174,21 @@ nfsrv3_access(nfsd, slp, td, mrq) struct vnode *vp = NULL; nfsfh_t nfh; fhandle_t *fhp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, getret; - char *cp2; - struct mbuf *mb, *mreq, *mb2; + int error = 0, rdonly, getret; + struct mbuf *mb, *mreq; struct vattr vattr, *vap = &vattr; u_long testmode, nfsmode; - u_quad_t frev; + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif + if (!v3) + panic("nfsrv3_access: v3 proc called on a v2 connection"); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, - (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(NFSX_UNSIGNED); nfsm_srvpostop_attr(1, (struct vattr *)0); @@ -242,41 +231,33 @@ nfsmout: * nfs getattr service */ int -nfsrv_getattr(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_getattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct nfs_fattr *fp; + struct nfs_fattr *fp; struct vattr va; - register struct vattr *vap = &va; + struct vattr *vap = &va; struct vnode *vp = NULL; nfsfh_t nfh; fhandle_t *fhp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache; - char *cp2; - struct mbuf *mb, *mb2, *mreq; - u_quad_t frev; + int error = 0, rdonly; + struct mbuf *mb, *mreq; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(0); error = 0; goto nfsmout; } - nqsrv_getl(vp, ND_READ); error = VOP_GETATTR(vp, vap, cred, td); vput(vp); vp = NULL; @@ -299,31 +280,25 @@ nfsmout: * nfs setattr service */ int -nfsrv_setattr(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_setattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct vattr va, preat; - register struct vattr *vap = &va; - register struct nfsv2_sattr *sp; - register struct nfs_fattr *fp; + struct vattr *vap = &va; + struct nfsv2_sattr *sp; + struct nfs_fattr *fp; struct vnode *vp = NULL; nfsfh_t nfh; fhandle_t *fhp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, preat_ret = 1, postat_ret = 1; + int error = 0, rdonly, preat_ret = 1, postat_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3), gcheck = 0; - char *cp2; - struct mbuf *mb, *mb2, *mreq; - u_quad_t frev; + struct mbuf *mb, *mreq; struct timespec guard; struct mount *mp = NULL; @@ -384,11 +359,11 @@ nfsrv_setattr(nfsd, slp, td, mrq) /* * Now that we have all the fields, lets do it. */ - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, - (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(2 * NFSX_UNSIGNED); - nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap); + if (v3) + nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap); error = 0; goto nfsmout; } @@ -396,8 +371,6 @@ nfsrv_setattr(nfsd, slp, td, mrq) /* * vp now an active resource, pay careful attention to cleanup */ - - nqsrv_getl(vp, ND_WRITE); if (v3) { error = preat_ret = VOP_GETATTR(vp, &preat, cred, td); if (!error && gcheck && @@ -408,7 +381,8 @@ nfsrv_setattr(nfsd, slp, td, mrq) vput(vp); vp = NULL; nfsm_reply(NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap); + if (v3) + nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap); error = 0; goto nfsmout; } @@ -462,31 +436,24 @@ nfsmout: * nfs lookup rpc */ int -nfsrv_lookup(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_lookup(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct nfs_fattr *fp; + struct nfs_fattr *fp; struct nameidata nd, ind, *ndp = &nd; struct vnode *vp, *dirp = NULL; nfsfh_t nfh; fhandle_t *fhp; - register caddr_t cp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, cache, len, dirattr_ret = 1; + int error = 0, len, dirattr_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3), pubflag; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vattr va, dirattr, *vap = &va; - u_quad_t frev; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); ndclear(&nd); @@ -501,7 +468,7 @@ nfsrv_lookup(nfsd, slp, td, mrq) nd.ni_cnd.cn_nameiop = LOOKUP; nd.ni_cnd.cn_flags = LOCKLEAF | SAVESTART; error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), pubflag); + &dirp, td, pubflag); /* * namei failure, only dirp to cleanup. Clear out garbarge from @@ -517,7 +484,8 @@ nfsrv_lookup(nfsd, slp, td, mrq) dirp = NULL; } nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(dirattr_ret, &dirattr); + if (v3) + nfsm_srvpostop_attr(dirattr_ret, &dirattr); error = 0; goto nfsmout; } @@ -559,7 +527,7 @@ nfsrv_lookup(nfsd, slp, td, mrq) * Found an index file. Get rid of * the old references. transfer nd.ni_vp' */ - if (dirp) + if (dirp) vrele(dirp); dirp = nd.ni_vp; nd.ni_vp = NULL; @@ -599,13 +567,12 @@ nfsrv_lookup(nfsd, slp, td, mrq) if (error) { nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(dirattr_ret, &dirattr); + if (v3) + nfsm_srvpostop_attr(dirattr_ret, &dirattr); error = 0; goto nfsmout; } - nqsrv_getl(ndp->ni_startdir, ND_READ); - /* * Clear out some resources prior to potentially blocking. This * is not as critical as ni_dvp resources in other routines, but @@ -630,7 +597,8 @@ nfsrv_lookup(nfsd, slp, td, mrq) ndp->ni_vp = NULL; nfsm_reply(NFSX_SRVFH(v3) + NFSX_POSTOPORFATTR(v3) + NFSX_POSTOPATTR(v3)); if (error) { - nfsm_srvpostop_attr(dirattr_ret, &dirattr); + if (v3) + nfsm_srvpostop_attr(dirattr_ret, &dirattr); error = 0; goto nfsmout; } @@ -658,36 +626,30 @@ nfsmout: * nfs readlink service */ int -nfsrv_readlink(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_readlink(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct iovec iv[(NFS_MAXPATHLEN+MLEN-1)/MLEN]; - register struct iovec *ivp = iv; - register struct mbuf *mp; - register u_int32_t *tl; - register int32_t t1; + struct iovec *ivp = iv; + struct mbuf *mp; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, i, tlen, len, getret; + int error = 0, rdonly, i, tlen, len, getret; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; - struct mbuf *mb, *mb2, *mp2, *mp3, *mreq; + struct mbuf *mb, *mp3, *nmp, *mreq; struct vnode *vp = NULL; struct vattr attr; nfsfh_t nfh; fhandle_t *fhp; struct uio io, *uiop = &io; - u_quad_t frev; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); #ifndef nolint - mp2 = (struct mbuf *)0; + mp = (struct mbuf *)0; #endif mp3 = NULL; fhp = &nfh.fh_generic; @@ -695,17 +657,17 @@ nfsrv_readlink(nfsd, slp, td, mrq) len = 0; i = 0; while (len < NFS_MAXPATHLEN) { - MGET(mp, M_TRYWAIT, MT_DATA); - MCLGET(mp, M_TRYWAIT); - mp->m_len = NFSMSIZ(mp); + MGET(nmp, M_TRYWAIT, MT_DATA); + MCLGET(nmp, M_TRYWAIT); + nmp->m_len = NFSMSIZ(nmp); if (len == 0) - mp3 = mp2 = mp; + mp3 = mp = nmp; else { - mp2->m_next = mp; - mp2 = mp; + mp->m_next = nmp; + mp = nmp; } - if ((len+mp->m_len) > NFS_MAXPATHLEN) { - mp->m_len = NFS_MAXPATHLEN-len; + if ((len + mp->m_len) > NFS_MAXPATHLEN) { + mp->m_len = NFS_MAXPATHLEN - len; len = NFS_MAXPATHLEN; } else len += mp->m_len; @@ -721,11 +683,11 @@ nfsrv_readlink(nfsd, slp, td, mrq) uiop->uio_rw = UIO_READ; uiop->uio_segflg = UIO_SYSSPACE; uiop->uio_td = (struct thread *)0; - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(2 * NFSX_UNSIGNED); - nfsm_srvpostop_attr(1, (struct vattr *)0); + if (v3) + nfsm_srvpostop_attr(1, (struct vattr *)0); error = 0; goto nfsmout; } @@ -736,7 +698,6 @@ nfsrv_readlink(nfsd, slp, td, mrq) error = ENXIO; goto out; } - nqsrv_getl(vp, ND_READ); error = VOP_READLINK(vp, uiop, cred); out: getret = VOP_GETATTR(vp, &attr, cred, td); @@ -771,28 +732,23 @@ nfsmout: * nfs read service */ int -nfsrv_read(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_read(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct iovec *iv; + struct iovec *iv; struct iovec *iv2; - register struct mbuf *m; - register struct nfs_fattr *fp; - register u_int32_t *tl; - register int32_t t1; - register int i; + struct mbuf *m; + struct nfs_fattr *fp; + u_int32_t *tl; + int i; caddr_t bpos; - int error = 0, rdonly, cache, cnt, len, left, siz, tlen, getret; + int error = 0, rdonly, cnt, len, left, siz, tlen, getret; int v3 = (nfsd->nd_flag & ND_NFSV3), reqlen; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct mbuf *m2; struct vnode *vp = NULL; nfsfh_t nfh; @@ -802,7 +758,6 @@ nfsrv_read(nfsd, slp, td, mrq) struct nfsheur *nh; off_t off; int ioflag = 0; - u_quad_t frev; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); fhp = &nfh.fh_generic; @@ -822,12 +777,12 @@ nfsrv_read(nfsd, slp, td, mrq) * as well. */ - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { vp = NULL; nfsm_reply(2 * NFSX_UNSIGNED); - nfsm_srvpostop_attr(1, (struct vattr *)0); + if (v3) + nfsm_srvpostop_attr(1, (struct vattr *)0); error = 0; goto nfsmout; } @@ -839,9 +794,8 @@ nfsrv_read(nfsd, slp, td, mrq) error = (vp->v_type == VDIR) ? EISDIR : EACCES; } if (!error) { - nqsrv_getl(vp, ND_READ); - if ((error = nfsrv_access(vp, VREAD, cred, rdonly, td, 1)) != 0) - error = nfsrv_access(vp, VEXEC, cred, rdonly, td, 1); + if ((error = nfsrv_access(vp, VREAD, cred, rdonly, td, 1)) != 0) + error = nfsrv_access(vp, VEXEC, cred, rdonly, td, 1); } getret = VOP_GETATTR(vp, vap, cred, td); if (!error) @@ -850,7 +804,8 @@ nfsrv_read(nfsd, slp, td, mrq) vput(vp); vp = NULL; nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(getret, vap); + if (v3) + nfsm_srvpostop_attr(getret, vap); error = 0; goto nfsmout; } @@ -989,7 +944,8 @@ nfsrv_read(nfsd, slp, td, mrq) vput(vp); vp = NULL; nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(getret, vap); + if (v3) + nfsm_srvpostop_attr(getret, vap); error = 0; goto nfsmout; } @@ -1022,38 +978,32 @@ nfsmout: * nfs write service */ int -nfsrv_write(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_write(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct iovec *ivp; - register int i, cnt; - register struct mbuf *mp; - register struct nfs_fattr *fp; + struct iovec *ivp; + int i, cnt; + struct mbuf *mp; + struct nfs_fattr *fp; struct iovec *iv; struct vattr va, forat; - register struct vattr *vap = &va; - register u_int32_t *tl; - register int32_t t1; + struct vattr *vap = &va; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, len, forat_ret = 1; + int error = 0, rdonly, len, forat_ret = 1; int ioflags, aftat_ret = 1, retlen = 0, zeroing, adjust; int stable = NFSV3WRITE_FILESYNC; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *vp = NULL; nfsfh_t nfh; fhandle_t *fhp; struct uio io, *uiop = &io; off_t off; - u_quad_t frev; struct mount *mntp = NULL; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); @@ -1123,16 +1073,17 @@ nfsrv_write(nfsd, slp, td, mrq) if (len > NFS_MAXDATA || len < 0 || i < len) { error = EIO; nfsm_reply(2 * NFSX_UNSIGNED); - nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); + if (v3) + nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); error = 0; goto nfsmout; } - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { vp = NULL; nfsm_reply(2 * NFSX_UNSIGNED); - nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); + if (v3) + nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); error = 0; goto nfsmout; } @@ -1144,15 +1095,14 @@ nfsrv_write(nfsd, slp, td, mrq) else error = (vp->v_type == VDIR) ? EISDIR : EACCES; } - if (!error) { - nqsrv_getl(vp, ND_WRITE); + if (!error) error = nfsrv_access(vp, VWRITE, cred, rdonly, td, 1); - } if (error) { vput(vp); vp = NULL; nfsm_reply(NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); + if (v3) + nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap); error = 0; goto nfsmout; } @@ -1191,7 +1141,7 @@ nfsrv_write(nfsd, slp, td, mrq) uiop->uio_td = (struct thread *)0; uiop->uio_offset = off; error = VOP_WRITE(vp, uiop, ioflags, cred); - nfsstats.srvvop_writes++; + nfsrvstats.srvvop_writes++; FREE((caddr_t)iv, M_TEMP); } aftat_ret = VOP_GETATTR(vp, vap, cred, td); @@ -1246,31 +1196,26 @@ nfsmout: * Jan. 1994. */ int -nfsrv_writegather(ndp, slp, td, mrq) - struct nfsrv_descript **ndp; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_writegather(struct nfsrv_descript **ndp, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { - register struct iovec *ivp; - register struct mbuf *mp; - register struct nfsrv_descript *wp, *nfsd, *owp, *swp; - register struct nfs_fattr *fp; - register int i; + struct iovec *ivp; + struct mbuf *mp; + struct nfsrv_descript *wp, *nfsd, *owp, *swp; + struct nfs_fattr *fp; + int i; struct iovec *iov; struct nfsrvw_delayhash *wpp; struct ucred *cred; struct vattr va, forat; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos, dpos; - int error = 0, rdonly, cache, len, forat_ret = 1; + int error = 0, rdonly, len, forat_ret = 1; int ioflags, aftat_ret = 1, s, adjust, v3, zeroing; - char *cp2; - struct mbuf *mb, *mb2, *mreq, *mrep, *md; + struct mbuf *mb, *mreq, *mrep, *md; struct vnode *vp = NULL; struct uio io, *uiop = &io; - u_quad_t frev, cur_usec; + u_quad_t cur_usec; struct mount *mntp = NULL; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); @@ -1293,7 +1238,7 @@ nfsrv_writegather(ndp, slp, td, mrq) cur_usec = nfs_curusec(); nfsd->nd_time = cur_usec + (v3 ? nfsrvw_procrastinate_v3 : nfsrvw_procrastinate); - + /* * Now, get the write header.. */ @@ -1313,7 +1258,7 @@ nfsrv_writegather(ndp, slp, td, mrq) len = fxdr_unsigned(int32_t, *tl); nfsd->nd_len = len; nfsd->nd_eoff = nfsd->nd_off + len; - + /* * Trim the header out of the mbuf list and trim off any trailing * junk so that the mbuf list has only the write data. @@ -1344,23 +1289,23 @@ nfsrv_writegather(ndp, slp, td, mrq) nfsmout: m_freem(mrep); error = EIO; - nfsm_writereply(2 * NFSX_UNSIGNED, v3); + nfsm_writereply(2 * NFSX_UNSIGNED); if (v3) nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, &va); nfsd->nd_mreq = mreq; nfsd->nd_mrep = NULL; nfsd->nd_time = 0; } - + /* * Add this entry to the hash and time queues. */ s = splsoftclock(); owp = NULL; - wp = slp->ns_tq.lh_first; + wp = LIST_FIRST(&slp->ns_tq); while (wp && wp->nd_time < nfsd->nd_time) { owp = wp; - wp = wp->nd_tq.le_next; + wp = LIST_NEXT(wp, nd_tq); } NFS_DPF(WG, ("Q%03x", nfsd->nd_retxid & 0xfff)); if (owp) { @@ -1371,16 +1316,16 @@ nfsmout: if (nfsd->nd_mrep) { wpp = NWDELAYHASH(slp, nfsd->nd_fh.fh_fid.fid_data); owp = NULL; - wp = wpp->lh_first; + wp = LIST_FIRST(wpp); while (wp && - bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh,NFSX_V3FH)) { + bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh, NFSX_V3FH)){ owp = wp; - wp = wp->nd_hash.le_next; + wp = LIST_NEXT(wp, nd_hash); } while (wp && wp->nd_off < nfsd->nd_off && - !bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh,NFSX_V3FH)) { + !bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh, NFSX_V3FH)) { owp = wp; - wp = wp->nd_hash.le_next; + wp = LIST_NEXT(wp, nd_hash); } if (owp) { LIST_INSERT_AFTER(owp, nfsd, nd_hash); @@ -1390,7 +1335,7 @@ nfsmout: * coalesce. */ for(; nfsd && NFSW_CONTIG(owp, nfsd); nfsd = wp) { - wp = nfsd->nd_hash.le_next; + wp = LIST_NEXT(nfsd, nd_hash); if (NFSW_SAMECRED(owp, nfsd)) nfsrvw_coalesce(owp, nfsd); } @@ -1400,7 +1345,7 @@ nfsmout: } splx(s); } - + /* * Now, do VOP_WRITE()s for any one(s) that need to be done now * and generate the associated reply mbuf list(s). @@ -1408,8 +1353,8 @@ nfsmout: loop1: cur_usec = nfs_curusec(); s = splsoftclock(); - for (nfsd = slp->ns_tq.lh_first; nfsd; nfsd = owp) { - owp = nfsd->nd_tq.le_next; + for (nfsd = LIST_FIRST(&slp->ns_tq); nfsd; nfsd = owp) { + owp = LIST_NEXT(nfsd, nd_tq); if (nfsd->nd_time > cur_usec) break; if (nfsd->nd_mreq) @@ -1423,8 +1368,8 @@ loop1: cred = &nfsd->nd_cr; v3 = (nfsd->nd_flag & ND_NFSV3); forat_ret = aftat_ret = 1; - error = nfsrv_fhtovp(&nfsd->nd_fh, 1, &vp, cred, slp, - nfsd->nd_nam, &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(&nfsd->nd_fh, 1, &vp, cred, slp, + nfsd->nd_nam, &rdonly, TRUE); if (!error) { if (v3) forat_ret = VOP_GETATTR(vp, &forat, cred, td); @@ -1437,11 +1382,8 @@ loop1: } else { vp = NULL; } - if (!error) { - nqsrv_getl(vp, ND_WRITE); + if (!error) error = nfsrv_access(vp, VWRITE, cred, rdonly, td, 1); - } - if (nfsd->nd_stable == NFSV3WRITE_UNSTABLE) ioflags = IO_NODELOCKED; else if (nfsd->nd_stable == NFSV3WRITE_DATASYNC) @@ -1462,7 +1404,7 @@ loop1: mp = mp->m_next; } uiop->uio_iovcnt = i; - MALLOC(iov, struct iovec *, i * sizeof (struct iovec), + MALLOC(iov, struct iovec *, i * sizeof (struct iovec), M_TEMP, M_WAITOK); uiop->uio_iov = ivp = iov; mp = mrep; @@ -1483,7 +1425,7 @@ loop1: } if (!error) { error = VOP_WRITE(vp, uiop, ioflags, cred); - nfsstats.srvvop_writes++; + nfsrvstats.srvvop_writes++; vn_finished_write(mntp); } FREE((caddr_t)iov, M_TEMP); @@ -1503,14 +1445,14 @@ loop1: do { NFS_DPF(WG, ("R%03x", nfsd->nd_retxid & 0xfff)); if (error) { - nfsm_writereply(NFSX_WCCDATA(v3), v3); + nfsm_writereply(NFSX_WCCDATA(v3)); if (v3) { nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, &va); } } else { nfsm_writereply(NFSX_PREOPATTR(v3) + NFSX_POSTOPORFATTR(v3) + 2 * NFSX_UNSIGNED + - NFSX_WRITEVERF(v3), v3); + NFSX_WRITEVERF(v3)); if (v3) { nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, &va); nfsm_build(tl, u_int32_t *, 4 * NFSX_UNSIGNED); @@ -1543,7 +1485,7 @@ loop1: nfsd->nd_time = 0; LIST_INSERT_HEAD(&slp->ns_tq, nfsd, nd_tq); } - nfsd = swp->nd_coalesce.lh_first; + nfsd = LIST_FIRST(&swp->nd_coalesce); if (nfsd) { LIST_REMOVE(nfsd, nd_tq); } @@ -1561,7 +1503,7 @@ loop1: * Search for a reply to return. */ s = splsoftclock(); - for (nfsd = slp->ns_tq.lh_first; nfsd; nfsd = nfsd->nd_tq.le_next) + LIST_FOREACH(nfsd, &slp->ns_tq, nd_tq) if (nfsd->nd_mreq) { NFS_DPF(WG, ("X%03x", nfsd->nd_retxid & 0xfff)); LIST_REMOVE(nfsd, nd_tq); @@ -1582,12 +1524,10 @@ loop1: * NB: Must be called at splsoftclock(). */ static void -nfsrvw_coalesce(owp, nfsd) - register struct nfsrv_descript *owp; - register struct nfsrv_descript *nfsd; +nfsrvw_coalesce(struct nfsrv_descript *owp, struct nfsrv_descript *nfsd) { - register int overlap; - register struct mbuf *mp; + int overlap; + struct mbuf *mp; struct nfsrv_descript *p; NFS_DPF(WG, ("C%03x-%03x", @@ -1619,8 +1559,8 @@ nfsrvw_coalesce(owp, nfsd) * If nfsd had anything else coalesced into it, transfer them * to owp, otherwise their replies will never get sent. */ - for (p = nfsd->nd_coalesce.lh_first; p; - p = nfsd->nd_coalesce.lh_first) { + for (p = LIST_FIRST(&nfsd->nd_coalesce); p; + p = LIST_FIRST(&nfsd->nd_coalesce)) { LIST_REMOVE(p, nd_tq); LIST_INSERT_HEAD(&owp->nd_coalesce, p, nd_tq); } @@ -1631,33 +1571,28 @@ nfsrvw_coalesce(owp, nfsd) * now does a truncate to 0 length via. setattr if it already exists */ int -nfsrv_create(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_create(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct nfs_fattr *fp; + struct nfs_fattr *fp; struct vattr va, dirfor, diraft; - register struct vattr *vap = &va; - register struct nfsv2_sattr *sp; - register u_int32_t *tl; + struct vattr *vap = &va; + struct nfsv2_sattr *sp; + u_int32_t *tl; struct nameidata nd; - register int32_t t1; caddr_t bpos; - int error = 0, rdev, cache, len, tsize, dirfor_ret = 1, diraft_ret = 1; + int error = 0, rdev, len, tsize, dirfor_ret = 1, diraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3), how, exclusive_flag = 0; caddr_t cp; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *dirp = (struct vnode *)0; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev, tempsize; + u_quad_t tempsize; u_char cverf[NFSX_V3CREATEVERF]; struct mount *mp = NULL; struct vnode *vp; @@ -1696,7 +1631,7 @@ nfsrv_create(nfsd, slp, td, mrq) * prior to calling nfsm_reply ( which might goto nfsmout ). */ error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -1708,7 +1643,8 @@ nfsrv_create(nfsd, slp, td, mrq) } if (error) { nfsm_reply(NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); + if (v3) + nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); error = 0; goto nfsmout; } @@ -1776,12 +1712,11 @@ nfsrv_create(nfsd, slp, td, mrq) * otherwise just truncate to 0 length * should I set the mode too ? * - * The only possible error we can have at this point is EEXIST. + * The only possible error we can have at this point is EEXIST. * nd.ni_vp will also be non-NULL in that case. */ if (nd.ni_vp == NULL) { if (vap->va_type == VREG || vap->va_type == VSOCK) { - nqsrv_getl(nd.ni_dvp, ND_WRITE); error = VOP_CREATE(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap); if (error) NDFREE(&nd, NDF_ONLY_PNBUF); @@ -1797,7 +1732,7 @@ nfsrv_create(nfsd, slp, td, mrq) } } } else if ( - vap->va_type == VCHR || + vap->va_type == VCHR || vap->va_type == VBLK || vap->va_type == VFIFO ) { @@ -1812,8 +1747,6 @@ nfsrv_create(nfsd, slp, td, mrq) goto nfsmreply0; } vap->va_rdev = rdev; - nqsrv_getl(nd.ni_dvp, ND_WRITE); - error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap); if (error) { NDFREE(&nd, NDF_ONLY_PNBUF); @@ -1829,10 +1762,10 @@ nfsrv_create(nfsd, slp, td, mrq) nd.ni_dvp = NULL; /* - * Setup for lookup. + * Setup for lookup. * * Even though LOCKPARENT was cleared, ni_dvp may - * be garbage. + * be garbage. */ nd.ni_cnd.cn_nameiop = LOOKUP; nd.ni_cnd.cn_flags &= ~(LOCKPARENT); @@ -1859,7 +1792,6 @@ nfsrv_create(nfsd, slp, td, mrq) error = nfsrv_access(nd.ni_vp, VWRITE, cred, (nd.ni_cnd.cn_flags & RDONLY), td, 0); if (!error) { - nqsrv_getl(nd.ni_vp, ND_WRITE); tempsize = vap->va_size; VATTR_NULL(vap); vap->va_size = tempsize; @@ -1903,9 +1835,6 @@ ereply: nfsmreply0: nfsm_reply(0); - error = 0; - /* fall through */ - nfsmout: if (nd.ni_startdir) { vrele(nd.ni_startdir); @@ -1930,34 +1859,31 @@ nfsmout: * nfs v3 mknod service */ int -nfsrv_mknod(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_mknod(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct vattr va, dirfor, diraft; - register struct vattr *vap = &va; - register u_int32_t *tl; + struct vattr *vap = &va; + u_int32_t *tl; struct nameidata nd; - register int32_t t1; caddr_t bpos; - int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1; + int error = 0, len, dirfor_ret = 1, diraft_ret = 1; u_int32_t major, minor; enum vtype vtyp; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *vp, *dirp = (struct vnode *)0; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev; struct mount *mp = NULL; + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); + if (!v3) + panic("nfsrv_mknod: v3 proc called on a v2 connection"); ndclear(&nd); fhp = &nfh.fh_generic; @@ -1986,7 +1912,7 @@ nfsrv_mknod(nfsd, slp, td, mrq) */ error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, td); if (error) { @@ -2021,15 +1947,12 @@ nfsrv_mknod(nfsd, slp, td, mrq) if (vtyp == VSOCK) { vrele(nd.ni_startdir); nd.ni_startdir = NULL; - nqsrv_getl(nd.ni_dvp, ND_WRITE); error = VOP_CREATE(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap); if (error) NDFREE(&nd, NDF_ONLY_PNBUF); } else { if (vtyp != VFIFO && (error = suser_xxx(cred, 0, 0))) goto out; - nqsrv_getl(nd.ni_dvp, ND_WRITE); - error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap); if (error) { NDFREE(&nd, NDF_ONLY_PNBUF); @@ -2092,11 +2015,13 @@ out: } ereply: nfsm_reply(NFSX_SRVFH(1) + NFSX_POSTOPATTR(1) + NFSX_WCCDATA(1)); - if (!error) { - nfsm_srvpostop_fh(fhp); - nfsm_srvpostop_attr(0, vap); + if (v3) { + if (!error) { + nfsm_srvpostop_fh(fhp); + nfsm_srvpostop_attr(0, vap); + } + nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); } - nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); vn_finished_write(mp); return (0); nfsmout: @@ -2121,29 +2046,23 @@ nfsmout: * nfs remove service */ int -nfsrv_remove(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_remove(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct nameidata nd; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1; + int error = 0, len, dirfor_ret = 1, diraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; struct mbuf *mb, *mreq; struct vnode *dirp; struct vattr dirfor, diraft; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev; struct mount *mp = NULL; struct vnode *vp; @@ -2169,7 +2088,7 @@ nfsrv_remove(nfsd, slp, td, mrq) nd.ni_cnd.cn_nameiop = DELETE; nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF; error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -2193,8 +2112,6 @@ nfsrv_remove(nfsd, slp, td, mrq) } out: if (!error) { - nqsrv_getl(nd.ni_dvp, ND_WRITE); - nqsrv_getl(nd.ni_vp, ND_WRITE); error = VOP_REMOVE(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd); NDFREE(&nd, NDF_ONLY_PNBUF); } @@ -2228,23 +2145,18 @@ nfsmout: * nfs rename service */ int -nfsrv_rename(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_rename(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, cache, len, len2, fdirfor_ret = 1, fdiraft_ret = 1; + int error = 0, len, len2, fdirfor_ret = 1, fdiraft_ret = 1; int tdirfor_ret = 1, tdiraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; struct mbuf *mb, *mreq; struct nameidata fromnd, tond; struct vnode *fvp, *tvp, *tdvp, *fdirp = (struct vnode *)0; @@ -2252,7 +2164,6 @@ nfsrv_rename(nfsd, slp, td, mrq) struct vattr fdirfor, fdiraft, tdirfor, tdiraft; nfsfh_t fnfh, tnfh; fhandle_t *ffhp, *tfhp; - u_quad_t frev; uid_t saved_uid; struct mount *mp = NULL; struct vnode *vp; @@ -2293,7 +2204,7 @@ nfsrv_rename(nfsd, slp, td, mrq) fromnd.ni_cnd.cn_nameiop = DELETE; fromnd.ni_cnd.cn_flags = WANTPARENT | SAVESTART; error = nfs_namei(&fromnd, ffhp, len, slp, nam, &md, - &dpos, &fdirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dpos, &fdirp, td, FALSE); if (fdirp) { if (v3) { fdirfor_ret = VOP_GETATTR(fdirp, &fdirfor, cred, @@ -2305,8 +2216,10 @@ nfsrv_rename(nfsd, slp, td, mrq) } if (error) { nfsm_reply(2 * NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft); - nfsm_srvwcc_data(tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft); + if (v3) { + nfsm_srvwcc_data(fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft); + nfsm_srvwcc_data(tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft); + } error = 0; goto nfsmout; } @@ -2318,7 +2231,7 @@ nfsrv_rename(nfsd, slp, td, mrq) tond.ni_cnd.cn_nameiop = RENAME; tond.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF | NOCACHE | SAVESTART; error = nfs_namei(&tond, tfhp, len2, slp, nam, &md, - &dpos, &tdirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dpos, &tdirp, td, FALSE); if (tdirp) { if (v3) { tdirfor_ret = VOP_GETATTR(tdirp, &tdirfor, cred, @@ -2392,11 +2305,6 @@ out: * locks prior to returning so we need to clear the pointers * to bypass cleanup code later on. */ - nqsrv_getl(fromnd.ni_dvp, ND_WRITE); - nqsrv_getl(tdvp, ND_WRITE); - if (tvp) { - nqsrv_getl(tvp, ND_WRITE); - } error = VOP_RENAME(fromnd.ni_dvp, fromnd.ni_vp, &fromnd.ni_cnd, tond.ni_dvp, tond.ni_vp, &tond.ni_cnd); fromnd.ni_dvp = NULL; @@ -2465,29 +2373,23 @@ nfsmout: * nfs link service */ int -nfsrv_link(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_link(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct nameidata nd; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, len, dirfor_ret = 1, diraft_ret = 1; + int error = 0, rdonly, len, dirfor_ret = 1, diraft_ret = 1; int getret = 1, v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; struct mbuf *mb, *mreq; struct vnode *vp = NULL, *xp, *dirp = (struct vnode *)0; struct vattr dirfor, diraft, at; nfsfh_t nfh, dnfh; fhandle_t *fhp, *dfhp; - u_quad_t frev; struct mount *mp = NULL; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); @@ -2510,12 +2412,13 @@ nfsrv_link(nfsd, slp, td, mrq) nfsm_srvmtofh(dfhp); nfsm_srvnamesiz(len); - error = nfsrv_fhtovp(fhp, FALSE, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, FALSE, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3)); - nfsm_srvpostop_attr(getret, &at); - nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); + if (v3) { + nfsm_srvpostop_attr(getret, &at); + nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); + } vp = NULL; error = 0; goto nfsmout; @@ -2528,7 +2431,7 @@ nfsrv_link(nfsd, slp, td, mrq) nd.ni_cnd.cn_nameiop = CREATE; nd.ni_cnd.cn_flags = LOCKPARENT; error = nfs_namei(&nd, dfhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -2551,8 +2454,6 @@ nfsrv_link(nfsd, slp, td, mrq) error = EXDEV; out: if (!error) { - nqsrv_getl(vp, ND_WRITE); - nqsrv_getl(xp, ND_WRITE); error = VOP_LINK(nd.ni_dvp, vp, &nd.ni_cnd); NDFREE(&nd, NDF_ONLY_PNBUF); } @@ -2594,11 +2495,8 @@ nfsmout: * nfs symbolic link service */ int -nfsrv_symlink(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_symlink(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; @@ -2606,20 +2504,18 @@ nfsrv_symlink(nfsd, slp, td, mrq) struct ucred *cred = &nfsd->nd_cr; struct vattr va, dirfor, diraft; struct nameidata nd; - register struct vattr *vap = &va; - register u_int32_t *tl; - register int32_t t1; + struct vattr *vap = &va; + u_int32_t *tl; struct nfsv2_sattr *sp; - char *bpos, *pathcp = (char *)0, *cp2; + char *bpos, *pathcp = (char *)0; struct uio io; struct iovec iv; - int error = 0, cache, len, len2, dirfor_ret = 1, diraft_ret = 1; + int error = 0, len, len2, dirfor_ret = 1, diraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - struct mbuf *mb, *mreq, *mb2; + struct mbuf *mb, *mreq; struct vnode *dirp = (struct vnode *)0; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev; struct mount *mp = NULL; struct vnode *vp; @@ -2644,7 +2540,7 @@ nfsrv_symlink(nfsd, slp, td, mrq) nd.ni_cnd.cn_nameiop = CREATE; nd.ni_cnd.cn_flags = LOCKPARENT | SAVESTART; error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -2686,7 +2582,6 @@ nfsrv_symlink(nfsd, slp, td, mrq) * issue symlink op. SAVESTART is set so the underlying path component * is only freed by the VOP if an error occurs. */ - nqsrv_getl(nd.ni_dvp, ND_WRITE); error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap, pathcp); if (error) NDFREE(&nd, NDF_ONLY_PNBUF); @@ -2784,33 +2679,26 @@ nfsmout: * nfs mkdir service */ int -nfsrv_mkdir(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_mkdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; struct vattr va, dirfor, diraft; - register struct vattr *vap = &va; - register struct nfs_fattr *fp; + struct vattr *vap = &va; + struct nfs_fattr *fp; struct nameidata nd; - register caddr_t cp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1; + int error = 0, len, dirfor_ret = 1, diraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *dirp = NULL; int vpexcl = 0; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev; struct mount *mp = NULL; struct vnode *vp; @@ -2836,7 +2724,7 @@ nfsrv_mkdir(nfsd, slp, td, mrq) nd.ni_cnd.cn_flags = LOCKPARENT; error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -2848,7 +2736,8 @@ nfsrv_mkdir(nfsd, slp, td, mrq) } if (error) { nfsm_reply(NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); + if (v3) + nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); error = 0; goto nfsmout; } @@ -2873,11 +2762,10 @@ nfsrv_mkdir(nfsd, slp, td, mrq) } /* - * Issue mkdir op. Since SAVESTART is not set, the pathname + * Issue mkdir op. Since SAVESTART is not set, the pathname * component is freed by the VOP call. This will fill-in * nd.ni_vp, reference, and exclusively lock it. */ - nqsrv_getl(nd.ni_dvp, ND_WRITE); error = VOP_MKDIR(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap); NDFREE(&nd, NDF_ONLY_PNBUF); vpexcl = 1; @@ -2935,29 +2823,23 @@ nfsmout: * nfs rmdir service */ int -nfsrv_rmdir(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_rmdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1; + int error = 0, len, dirfor_ret = 1, diraft_ret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; struct mbuf *mb, *mreq; struct vnode *vp, *dirp = (struct vnode *)0; struct vattr dirfor, diraft; nfsfh_t nfh; fhandle_t *fhp; struct nameidata nd; - u_quad_t frev; struct mount *mp = NULL; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); @@ -2981,7 +2863,7 @@ nfsrv_rmdir(nfsd, slp, td, mrq) nd.ni_cnd.cn_nameiop = DELETE; nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF; error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos, - &dirp, td, (nfsd->nd_flag & ND_KERBAUTH), FALSE); + &dirp, td, FALSE); if (dirp) { if (v3) { dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, @@ -2993,7 +2875,8 @@ nfsrv_rmdir(nfsd, slp, td, mrq) } if (error) { nfsm_reply(NFSX_WCCDATA(v3)); - nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); + if (v3) + nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft); error = 0; goto nfsmout; } @@ -3019,11 +2902,8 @@ out: * Issue or abort op. Since SAVESTART is not set, path name * component is freed by the VOP after either. */ - if (!error) { - nqsrv_getl(nd.ni_dvp, ND_WRITE); - nqsrv_getl(vp, ND_WRITE); + if (!error) error = VOP_RMDIR(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd); - } NDFREE(&nd, NDF_ONLY_PNBUF); if (dirp) @@ -3091,25 +2971,21 @@ struct flrep { }; int -nfsrv_readdir(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_readdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register char *bp, *be; - register struct mbuf *mp; - register struct dirent *dp; - register caddr_t cp; - register u_int32_t *tl; - register int32_t t1; + char *bp, *be; + struct mbuf *mp; + struct dirent *dp; + caddr_t cp; + u_int32_t *tl; caddr_t bpos; - struct mbuf *mb, *mb2, *mreq, *mp2; - char *cpos, *cend, *cp2, *rbuf; + struct mbuf *mb, *mreq; + char *cpos, *cend, *rbuf; struct vnode *vp = NULL; struct vattr at; nfsfh_t nfh; @@ -3117,9 +2993,9 @@ nfsrv_readdir(nfsd, slp, td, mrq) struct uio io; struct iovec iv; int len, nlen, rem, xfer, tsiz, i, error = 0, getret = 1; - int siz, cnt, fullsiz, eofflag, rdonly, cache, ncookies; + int siz, cnt, fullsiz, eofflag, rdonly, ncookies; int v3 = (nfsd->nd_flag & ND_NFSV3); - u_quad_t frev, off, toff, verf; + u_quad_t off, toff, verf; u_long *cookies = NULL, *cookiep; /* needs to be int64_t or off_t */ nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); @@ -3143,8 +3019,7 @@ nfsrv_readdir(nfsd, slp, td, mrq) if (siz > xfer) siz = xfer; fullsiz = siz; - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (!error && vp->v_type != VDIR) { error = ENOTDIR; vput(vp); @@ -3152,7 +3027,8 @@ nfsrv_readdir(nfsd, slp, td, mrq) } if (error) { nfsm_reply(NFSX_UNSIGNED); - nfsm_srvpostop_attr(getret, &at); + if (v3) + nfsm_srvpostop_attr(getret, &at); error = 0; goto nfsmout; } @@ -3160,8 +3036,6 @@ nfsrv_readdir(nfsd, slp, td, mrq) /* * Obtain lock on vnode for this section of the code */ - - nqsrv_getl(vp, ND_READ); if (v3) { error = getret = VOP_GETATTR(vp, &at, cred, td); #if 0 @@ -3178,7 +3052,8 @@ nfsrv_readdir(nfsd, slp, td, mrq) vput(vp); vp = NULL; nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(getret, &at); + if (v3) + nfsm_srvpostop_attr(getret, &at); error = 0; goto nfsmout; } @@ -3221,7 +3096,8 @@ again: if (cookies) free((caddr_t)cookies, M_TEMP); nfsm_reply(NFSX_POSTOPATTR(v3)); - nfsm_srvpostop_attr(getret, &at); + if (v3) + nfsm_srvpostop_attr(getret, &at); error = 0; goto nfsmout; } @@ -3289,7 +3165,7 @@ again: nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); txdr_hyper(at.va_filerev, tl); } - mp = mp2 = mb; + mp = mb; bp = bpos; be = bp + M_TRAILINGSPACE(mp); @@ -3384,25 +3260,21 @@ nfsmout: } int -nfsrv_readdirplus(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_readdirplus(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register char *bp, *be; - register struct mbuf *mp; - register struct dirent *dp; - register caddr_t cp; - register u_int32_t *tl; - register int32_t t1; + char *bp, *be; + struct mbuf *mp; + struct dirent *dp; + caddr_t cp; + u_int32_t *tl; caddr_t bpos; - struct mbuf *mb, *mb2, *mreq, *mp2; - char *cpos, *cend, *cp2, *rbuf; + struct mbuf *mb, *mreq; + char *cpos, *cend, *rbuf; struct vnode *vp = NULL, *nvp; struct flrep fl; nfsfh_t nfh; @@ -3412,11 +3284,14 @@ nfsrv_readdirplus(nfsd, slp, td, mrq) struct vattr va, at, *vap = &va; struct nfs_fattr *fp; int len, nlen, rem, xfer, tsiz, i, error = 0, getret = 1; - int siz, cnt, fullsiz, eofflag, rdonly, cache, dirlen, ncookies; - u_quad_t frev, off, toff, verf; + int siz, cnt, fullsiz, eofflag, rdonly, dirlen, ncookies; + u_quad_t off, toff, verf; u_long *cookies = NULL, *cookiep; /* needs to be int64_t or off_t */ + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); + if (!v3) + panic("nfsrv_readdirplus: v3 proc called on a v2 connection"); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); @@ -3432,8 +3307,7 @@ nfsrv_readdirplus(nfsd, slp, td, mrq) if (siz > xfer) siz = xfer; fullsiz = siz; - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (!error && vp->v_type != VDIR) { error = ENOTDIR; vput(vp); @@ -3453,10 +3327,8 @@ nfsrv_readdirplus(nfsd, slp, td, mrq) if (!error && toff && verf && verf != at.va_filerev) error = NFSERR_BAD_COOKIE; #endif - if (!error) { - nqsrv_getl(vp, ND_READ); + if (!error) error = nfsrv_access(vp, VEXEC, cred, rdonly, td, 0); - } if (error) { vput(vp); vp = NULL; @@ -3573,13 +3445,13 @@ again: } vput(nvp); nvp = NULL; - + dirlen = len = NFSX_V3POSTOPATTR + NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED; nfsm_reply(cnt); nfsm_srvpostop_attr(getret, &at); nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); txdr_hyper(at.va_filerev, tl); - mp = mp2 = mb; + mp = mb; bp = bpos; be = bp + M_TRAILINGSPACE(mp); @@ -3668,7 +3540,7 @@ again: /* And null pad to a int32_t boundary */ for (i = 0; i < rem; i++) *bp++ = '\0'; - + /* * Now copy the flrep structure out. */ @@ -3721,11 +3593,8 @@ nfsmout: * nfs commit service */ int -nfsrv_commit(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_commit(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; @@ -3735,19 +3604,17 @@ nfsrv_commit(nfsd, slp, td, mrq) struct vnode *vp = NULL; nfsfh_t nfh; fhandle_t *fhp; - register u_int32_t *tl; - register int32_t t1; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, for_ret = 1, aft_ret = 1, cnt, cache; - char *cp2; - struct mbuf *mb, *mb2, *mreq; - u_quad_t frev, off; + int error = 0, rdonly, for_ret = 1, aft_ret = 1, cnt; + struct mbuf *mb, *mreq; + u_quad_t off; struct mount *mp = NULL; + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif + if (!v3) + panic("nfsrv_commit: v3 proc called on a v2 connection"); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); if ((mp = vfs_getvfs(&fhp->fh_fsid)) == NULL) { @@ -3770,8 +3637,7 @@ nfsrv_commit(nfsd, slp, td, mrq) off = fxdr_hyper(tl); tl += 2; cnt = fxdr_unsigned(int, *tl); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(2 * NFSX_UNSIGNED); nfsm_srvwcc_data(for_ret, &bfor, aft_ret, &aft); @@ -3872,43 +3738,35 @@ nfsmout: * nfs statfs service */ int -nfsrv_statfs(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_statfs(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register struct statfs *sf; - register struct nfs_statfs *sfp; - register u_int32_t *tl; - register int32_t t1; + struct statfs *sf; + struct nfs_statfs *sfp; + u_int32_t *tl; caddr_t bpos; - int error = 0, rdonly, cache, getret = 1; + int error = 0, rdonly, getret = 1; int v3 = (nfsd->nd_flag & ND_NFSV3); - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *vp = NULL; struct vattr at; nfsfh_t nfh; fhandle_t *fhp; struct statfs statfs; - u_quad_t frev, tval; + u_quad_t tval; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(NFSX_UNSIGNED); - nfsm_srvpostop_attr(getret, &at); + if (v3) + nfsm_srvpostop_attr(getret, &at); error = 0; goto nfsmout; } @@ -3959,38 +3817,32 @@ nfsmout: * nfs fsinfo service */ int -nfsrv_fsinfo(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_fsinfo(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register u_int32_t *tl; - register struct nfsv3_fsinfo *sip; - register int32_t t1; + u_int32_t *tl; + struct nfsv3_fsinfo *sip; caddr_t bpos; - int error = 0, rdonly, cache, getret = 1, pref; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + int error = 0, rdonly, getret = 1, pref; + struct mbuf *mb, *mreq; struct vnode *vp = NULL; struct vattr at; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev, maxfsize; + u_quad_t maxfsize; struct statfs sb; + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif + if (!v3) + panic("nfsrv_fsinfo: v3 proc called on a v2 connection"); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(NFSX_UNSIGNED); nfsm_srvpostop_attr(getret, &at); @@ -4041,38 +3893,31 @@ nfsmout: * nfs pathconf service */ int -nfsrv_pathconf(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_pathconf(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md; struct sockaddr *nam = nfsd->nd_nam; caddr_t dpos = nfsd->nd_dpos; struct ucred *cred = &nfsd->nd_cr; - register u_int32_t *tl; - register struct nfsv3_pathconf *pc; - register int32_t t1; + u_int32_t *tl; + struct nfsv3_pathconf *pc; caddr_t bpos; - int error = 0, rdonly, cache, getret = 1; + int error = 0, rdonly, getret = 1; register_t linkmax, namemax, chownres, notrunc; - char *cp2; - struct mbuf *mb, *mb2, *mreq; + struct mbuf *mb, *mreq; struct vnode *vp = NULL; struct vattr at; nfsfh_t nfh; fhandle_t *fhp; - u_quad_t frev; + int v3 = (nfsd->nd_flag & ND_NFSV3); nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif + if (!v3) + panic("nfsrv_pathconf: v3 proc called on a v2 connection"); fhp = &nfh.fh_generic; nfsm_srvmtofh(fhp); - error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, - &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE); + error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam, &rdonly, TRUE); if (error) { nfsm_reply(NFSX_UNSIGNED); nfsm_srvpostop_attr(getret, &at); @@ -4110,7 +3955,7 @@ nfsrv_pathconf(nfsd, slp, td, mrq) pc->pc_caseinsensitive = nfs_false; pc->pc_casepreserving = nfs_true; nfsmout: - if (vp) + if (vp) vput(vp); return(error); } @@ -4120,24 +3965,18 @@ nfsmout: */ /* ARGSUSED */ int -nfsrv_null(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_null(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep; caddr_t bpos; - int error = NFSERR_RETVOID, cache; + int error = NFSERR_RETVOID; struct mbuf *mb, *mreq; - u_quad_t frev; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif nfsm_reply(0); - nfsm_srvdone; +nfsmout: + return (error); } /* @@ -4145,28 +3984,22 @@ nfsrv_null(nfsd, slp, td, mrq) */ /* ARGSUSED */ int -nfsrv_noop(nfsd, slp, td, mrq) - struct nfsrv_descript *nfsd; - struct nfssvc_sock *slp; - struct thread *td; - struct mbuf **mrq; +nfsrv_noop(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + struct thread *td, struct mbuf **mrq) { struct mbuf *mrep = nfsd->nd_mrep; caddr_t bpos; - int error, cache; + int error; struct mbuf *mb, *mreq; - u_quad_t frev; nfsdbprintf(("%s %d\n", __FILE__, __LINE__)); -#ifndef nolint - cache = 0; -#endif if (nfsd->nd_repstat) error = nfsd->nd_repstat; else error = EPROCUNAVAIL; nfsm_reply(0); - nfsm_srvdone; +nfsmout: + return (error); } /* @@ -4184,13 +4017,8 @@ nfsrv_noop(nfsd, slp, td, mrq) * will return EPERM instead of EACCESS. EPERM is always an error. */ static int -nfsrv_access(vp, flags, cred, rdonly, td, override) - register struct vnode *vp; - int flags; - register struct ucred *cred; - int rdonly; - struct thread *td; - int override; +nfsrv_access(struct vnode *vp, int flags, struct ucred *cred, int rdonly, + struct thread *td, int override) { struct vattr vattr; int error; @@ -4232,4 +4060,3 @@ nfsrv_access(vp, flags, cred, rdonly, td, override) error = 0; return error; } -#endif /* NFS_NOSERVER */ diff --git a/sys/nfsserver/nfs_srvcache.c b/sys/nfsserver/nfs_srvcache.c index e7b10dd..4bab5d0 100644 --- a/sys/nfsserver/nfs_srvcache.c +++ b/sys/nfsserver/nfs_srvcache.c @@ -34,9 +34,11 @@ * SUCH DAMAGE. * * @(#)nfs_srvcache.c 8.3 (Berkeley) 3/30/95 - * $FreeBSD$ */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + /* * Reference: Chet Juszczak, "Improving the Performance and Correctness * of an NFS Server", in Proc. Winter 1989 USENIX Conference, @@ -53,12 +55,9 @@ #include <netinet/in.h> #include <nfs/rpcv2.h> #include <nfs/nfsproto.h> -#include <nfs/nfs.h> -#include <nfs/nfsrvcache.h> +#include <nfsserver/nfs.h> +#include <nfsserver/nfsrvcache.h> -#ifndef NFS_NOSERVER -extern struct nfsstats nfsstats; -extern int nfsv2_procid[NFS_NPROCS]; static long numnfsrvcache; static long desirednfsrvcache = NFSRVCACHESIZ; @@ -101,9 +100,6 @@ static int nonidempotent[NFS_NPROCS] = { FALSE, FALSE, FALSE, - FALSE, - FALSE, - FALSE, }; /* True iff the rpc reply is an nfs status ONLY! */ @@ -132,7 +128,7 @@ static int nfsv2_repstat[NFS_NPROCS] = { * Initialize the server request cache list */ void -nfsrv_initcache() +nfsrv_initcache(void) { nfsrvhashtbl = hashinit(desirednfsrvcache, M_NFSD, &nfsrvhash); @@ -154,12 +150,10 @@ nfsrv_initcache() * Update/add new request at end of lru list */ int -nfsrv_getcache(nd, slp, repp) - register struct nfsrv_descript *nd; - struct nfssvc_sock *slp; - struct mbuf **repp; +nfsrv_getcache(struct nfsrv_descript *nd, struct nfssvc_sock *slp, + struct mbuf **repp) { - register struct nfsrvcache *rp; + struct nfsrvcache *rp; struct mbuf *mb; struct sockaddr_in *saddr; caddr_t bpos; @@ -172,8 +166,7 @@ nfsrv_getcache(nd, slp, repp) if (!nd->nd_nam2) return (RC_DOIT); loop: - for (rp = NFSRCHASH(nd->nd_retxid)->lh_first; rp != 0; - rp = rp->rc_hash.le_next) { + LIST_FOREACH(rp, NFSRCHASH(nd->nd_retxid), rc_hash) { if (nd->nd_retxid == rp->rc_xid && nd->nd_procnum == rp->rc_proc && netaddr_match(NETFAMILY(rp), &rp->rc_haddr, nd->nd_nam)) { NFS_DPF(RC, ("H%03x", rp->rc_xid & 0xfff)); @@ -184,27 +177,27 @@ loop: } rp->rc_flag |= RC_LOCKED; /* If not at end of LRU chain, move it there */ - if (rp->rc_lru.tqe_next) { + if (TAILQ_NEXT(rp, rc_lru)) { TAILQ_REMOVE(&nfsrvlruhead, rp, rc_lru); TAILQ_INSERT_TAIL(&nfsrvlruhead, rp, rc_lru); } if (rp->rc_state == RC_UNUSED) panic("nfsrv cache"); if (rp->rc_state == RC_INPROG) { - nfsstats.srvcache_inproghits++; + nfsrvstats.srvcache_inproghits++; ret = RC_DROPIT; } else if (rp->rc_flag & RC_REPSTATUS) { - nfsstats.srvcache_nonidemdonehits++; + nfsrvstats.srvcache_nonidemdonehits++; nfs_rephead(0, nd, slp, rp->rc_status, - 0, (u_quad_t *)0, repp, &mb, &bpos); + repp, &mb, &bpos); ret = RC_REPLY; } else if (rp->rc_flag & RC_REPMBUF) { - nfsstats.srvcache_nonidemdonehits++; + nfsrvstats.srvcache_nonidemdonehits++; *repp = m_copym(rp->rc_reply, 0, M_COPYALL, M_TRYWAIT); ret = RC_REPLY; } else { - nfsstats.srvcache_idemdonehits++; + nfsrvstats.srvcache_idemdonehits++; rp->rc_state = RC_INPROG; ret = RC_DOIT; } @@ -216,7 +209,7 @@ loop: return (ret); } } - nfsstats.srvcache_misses++; + nfsrvstats.srvcache_misses++; NFS_DPF(RC, ("M%03x", nd->nd_retxid & 0xfff)); if (numnfsrvcache < desirednfsrvcache) { rp = (struct nfsrvcache *)malloc((u_long)sizeof *rp, @@ -224,11 +217,11 @@ loop: numnfsrvcache++; rp->rc_flag = RC_LOCKED; } else { - rp = nfsrvlruhead.tqh_first; + rp = TAILQ_FIRST(&nfsrvlruhead); while ((rp->rc_flag & RC_LOCKED) != 0) { rp->rc_flag |= RC_WANTED; (void) tsleep((caddr_t)rp, PZERO-1, "nfsrc", 0); - rp = nfsrvlruhead.tqh_first; + rp = TAILQ_FIRST(&nfsrvlruhead); } rp->rc_flag |= RC_LOCKED; LIST_REMOVE(rp, rc_hash); @@ -268,18 +261,14 @@ loop: * Update a request cache entry after the rpc has been done */ void -nfsrv_updatecache(nd, repvalid, repmbuf) - register struct nfsrv_descript *nd; - int repvalid; - struct mbuf *repmbuf; +nfsrv_updatecache(struct nfsrv_descript *nd, int repvalid, struct mbuf *repmbuf) { - register struct nfsrvcache *rp; + struct nfsrvcache *rp; if (!nd->nd_nam2) return; loop: - for (rp = NFSRCHASH(nd->nd_retxid)->lh_first; rp != 0; - rp = rp->rc_hash.le_next) { + LIST_FOREACH(rp, NFSRCHASH(nd->nd_retxid), rc_hash) { if (nd->nd_retxid == rp->rc_xid && nd->nd_procnum == rp->rc_proc && netaddr_match(NETFAMILY(rp), &rp->rc_haddr, nd->nd_nam)) { NFS_DPF(RC, ("U%03x", rp->rc_xid & 0xfff)); @@ -292,8 +281,8 @@ loop: if (rp->rc_state == RC_DONE) { /* * This can occur if the cache is too small. - * Retransmits of the same request aren't - * dropped so we may see the operation + * Retransmits of the same request aren't + * dropped so we may see the operation * complete more then once. */ if (rp->rc_flag & RC_REPMBUF) { @@ -308,7 +297,8 @@ loop: */ if (repvalid && nonidempotent[nd->nd_procnum]) { if ((nd->nd_flag & ND_NFSV3) == 0 && - nfsv2_repstat[nfsv2_procid[nd->nd_procnum]]) { + nfsv2_repstat[ + nfsrvv2_procid[nd->nd_procnum]]) { rp->rc_status = nd->nd_repstat; rp->rc_flag |= RC_REPSTATUS; } else { @@ -332,12 +322,12 @@ loop: * Clean out the cache. Called when the last nfsd terminates. */ void -nfsrv_cleancache() +nfsrv_cleancache(void) { - register struct nfsrvcache *rp, *nextrp; + struct nfsrvcache *rp, *nextrp; - for (rp = nfsrvlruhead.tqh_first; rp != 0; rp = nextrp) { - nextrp = rp->rc_lru.tqe_next; + for (rp = TAILQ_FIRST(&nfsrvlruhead); rp != 0; rp = nextrp) { + nextrp = TAILQ_NEXT(rp, rc_lru); LIST_REMOVE(rp, rc_hash); TAILQ_REMOVE(&nfsrvlruhead, rp, rc_lru); if (rp->rc_flag & RC_REPMBUF) @@ -348,5 +338,3 @@ nfsrv_cleancache() } numnfsrvcache = 0; } - -#endif /* NFS_NOSERVER */ diff --git a/sys/nfsserver/nfs_srvsock.c b/sys/nfsserver/nfs_srvsock.c index 8991672..0c36faa 100644 --- a/sys/nfsserver/nfs_srvsock.c +++ b/sys/nfsserver/nfs_srvsock.c @@ -37,6 +37,9 @@ * $FreeBSD$ */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + /* * Socket operations for use by nfs */ @@ -63,70 +66,20 @@ #include <nfs/rpcv2.h> #include <nfs/nfsproto.h> -#include <nfs/nfs.h> +#include <nfsserver/nfs.h> #include <nfs/xdr_subs.h> -#include <nfs/nfsm_subs.h> -#include <nfs/nfsmount.h> -#include <nfs/nfsnode.h> -#include <nfs/nfsrtt.h> -#include <nfs/nqnfs.h> +#include <nfsserver/nfsm_subs.h> #define TRUE 1 #define FALSE 0 -/* - * Estimate rto for an nfs rpc sent via. an unreliable datagram. - * Use the mean and mean deviation of rtt for the appropriate type of rpc - * for the frequent rpcs and a default for the others. - * The justification for doing "other" this way is that these rpcs - * happen so infrequently that timer est. would probably be stale. - * Also, since many of these rpcs are - * non-idempotent, a conservative timeout is desired. - * getattr, lookup - A+2D - * read, write - A+4D - * other - nm_timeo - */ -#define NFS_RTO(n, t) \ - ((t) == 0 ? (n)->nm_timeo : \ - ((t) < 3 ? \ - (((((n)->nm_srtt[t-1] + 3) >> 2) + (n)->nm_sdrtt[t-1] + 1) >> 1) : \ - ((((n)->nm_srtt[t-1] + 7) >> 3) + (n)->nm_sdrtt[t-1] + 1))) -#define NFS_SRTT(r) (r)->r_nmp->nm_srtt[proct[(r)->r_procnum] - 1] -#define NFS_SDRTT(r) (r)->r_nmp->nm_sdrtt[proct[(r)->r_procnum] - 1] -/* - * External data, mostly RPC constants in XDR form - */ -extern u_int32_t rpc_reply, rpc_msgdenied, rpc_mismatch, rpc_vers, - rpc_auth_unix, rpc_msgaccepted, rpc_call, rpc_autherr, - rpc_auth_kerb; -extern u_int32_t nfs_prog, nqnfs_prog; -extern time_t nqnfsstarttime; -extern struct nfsstats nfsstats; -extern int nfsv3_procid[NFS_NPROCS]; -extern int nfs_ticks; - -/* - * Defines which timer to use for the procnum. - * 0 - default - * 1 - getattr - * 2 - lookup - * 3 - read - * 4 - write - */ -static int proct[NFS_NPROCS] = { - 0, 1, 0, 2, 1, 3, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, - 0, 0, 0, -}; - static int nfs_realign_test; static int nfs_realign_count; -static int nfs_bufpackets = 4; -SYSCTL_DECL(_vfs_nfs); +SYSCTL_DECL(_vfs_nfsrv); -SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test, 0, ""); -SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, 0, ""); -SYSCTL_INT(_vfs_nfs, OID_AUTO, bufpackets, CTLFLAG_RW, &nfs_bufpackets, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, 0, ""); /* @@ -144,26 +97,15 @@ SYSCTL_INT(_vfs_nfs, OID_AUTO, bufpackets, CTLFLAG_RW, &nfs_bufpackets, 0, ""); */ #define NFS_CWNDSCALE 256 #define NFS_MAXCWND (NFS_CWNDSCALE * 32) -static int nfs_backoff[8] = { 2, 4, 8, 16, 32, 64, 128, 256, }; -int nfsrtton = 0; -struct nfsrtt nfsrtt; -struct callout_handle nfs_timer_handle; +struct callout_handle nfsrv_timer_handle; -static int nfs_msg __P((struct thread *,char *,char *)); -static int nfs_rcvlock __P((struct nfsreq *)); -static void nfs_rcvunlock __P((struct nfsreq *)); -static void nfs_realign __P((struct mbuf **pm, int hsiz)); -static int nfs_receive __P((struct nfsreq *rep, struct sockaddr **aname, - struct mbuf **mp)); -static void nfs_softterm __P((struct nfsreq *rep)); -static int nfs_reconnect __P((struct nfsreq *rep)); -#ifndef NFS_NOSERVER -static int nfsrv_getstream __P((struct nfssvc_sock *,int)); +static void nfs_realign(struct mbuf **pm, int hsiz); /* XXX SHARED */ +static int nfsrv_getstream(struct nfssvc_sock *, int); -int (*nfsrv3_procs[NFS_NPROCS]) __P((struct nfsrv_descript *nd, - struct nfssvc_sock *slp, - struct thread *td, - struct mbuf **mreqp)) = { +int (*nfsrv3_procs[NFS_NPROCS])(struct nfsrv_descript *nd, + struct nfssvc_sock *slp, + struct thread *td, + struct mbuf **mreqp) = { nfsrv_null, nfsrv_getattr, nfsrv_setattr, @@ -186,1059 +128,26 @@ int (*nfsrv3_procs[NFS_NPROCS]) __P((struct nfsrv_descript *nd, nfsrv_fsinfo, nfsrv_pathconf, nfsrv_commit, - nqnfsrv_getlease, - nqnfsrv_vacated, - nfsrv_noop, nfsrv_noop }; -#endif /* NFS_NOSERVER */ - -/* - * Initialize sockets and congestion for a new NFS connection. - * We do not free the sockaddr if error. - */ -int -nfs_connect(nmp, rep) - register struct nfsmount *nmp; - struct nfsreq *rep; -{ - register struct socket *so; - int s, error, rcvreserve, sndreserve; - int pktscale; - struct sockaddr *saddr; - struct sockaddr_in *sin; - struct thread *td = thread0; /* only used for socreate and sobind */ - - nmp->nm_so = (struct socket *)0; - saddr = nmp->nm_nam; - error = socreate(saddr->sa_family, &nmp->nm_so, nmp->nm_sotype, - nmp->nm_soproto, td); - if (error) - goto bad; - so = nmp->nm_so; - nmp->nm_soflags = so->so_proto->pr_flags; - - /* - * Some servers require that the client port be a reserved port number. - */ - if (saddr->sa_family == AF_INET && (nmp->nm_flag & NFSMNT_RESVPORT)) { - struct sockopt sopt; - int ip; - struct sockaddr_in ssin; - - bzero(&sopt, sizeof sopt); - ip = IP_PORTRANGE_LOW; - sopt.sopt_dir = SOPT_SET; - sopt.sopt_level = IPPROTO_IP; - sopt.sopt_name = IP_PORTRANGE; - sopt.sopt_val = (void *)&ip; - sopt.sopt_valsize = sizeof(ip); - sopt.sopt_td = NULL; - error = sosetopt(so, &sopt); - if (error) - goto bad; - bzero(&ssin, sizeof ssin); - sin = &ssin; - sin->sin_len = sizeof (struct sockaddr_in); - sin->sin_family = AF_INET; - sin->sin_addr.s_addr = INADDR_ANY; - sin->sin_port = htons(0); - error = sobind(so, (struct sockaddr *)sin, td); - if (error) - goto bad; - bzero(&sopt, sizeof sopt); - ip = IP_PORTRANGE_DEFAULT; - sopt.sopt_dir = SOPT_SET; - sopt.sopt_level = IPPROTO_IP; - sopt.sopt_name = IP_PORTRANGE; - sopt.sopt_val = (void *)&ip; - sopt.sopt_valsize = sizeof(ip); - sopt.sopt_td = NULL; - error = sosetopt(so, &sopt); - if (error) - goto bad; - } - - /* - * Protocols that do not require connections may be optionally left - * unconnected for servers that reply from a port other than NFS_PORT. - */ - if (nmp->nm_flag & NFSMNT_NOCONN) { - if (nmp->nm_soflags & PR_CONNREQUIRED) { - error = ENOTCONN; - goto bad; - } - } else { - error = soconnect(so, nmp->nm_nam, td); - if (error) - goto bad; - - /* - * Wait for the connection to complete. Cribbed from the - * connect system call but with the wait timing out so - * that interruptible mounts don't hang here for a long time. - */ - s = splnet(); - while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) { - (void) tsleep((caddr_t)&so->so_timeo, PSOCK, - "nfscon", 2 * hz); - if ((so->so_state & SS_ISCONNECTING) && - so->so_error == 0 && rep && - (error = nfs_sigintr(nmp, rep, - (rep->r_td ? rep->r_td->td_proc : NULL))) != 0){ - so->so_state &= ~SS_ISCONNECTING; - splx(s); - goto bad; - } - } - if (so->so_error) { - error = so->so_error; - so->so_error = 0; - splx(s); - goto bad; - } - splx(s); - } - if (nmp->nm_flag & (NFSMNT_SOFT | NFSMNT_INT)) { - so->so_rcv.sb_timeo = (5 * hz); - so->so_snd.sb_timeo = (5 * hz); - } else { - so->so_rcv.sb_timeo = 0; - so->so_snd.sb_timeo = 0; - } - - /* - * Get buffer reservation size from sysctl, but impose reasonable - * limits. - */ - pktscale = nfs_bufpackets; - if (pktscale < 2) - pktscale = 2; - if (pktscale > 64) - pktscale = 64; - - if (nmp->nm_sotype == SOCK_DGRAM) { - sndreserve = (nmp->nm_wsize + NFS_MAXPKTHDR) * pktscale; - rcvreserve = (max(nmp->nm_rsize, nmp->nm_readdirsize) + - NFS_MAXPKTHDR) * pktscale; - } else if (nmp->nm_sotype == SOCK_SEQPACKET) { - sndreserve = (nmp->nm_wsize + NFS_MAXPKTHDR) * pktscale; - rcvreserve = (max(nmp->nm_rsize, nmp->nm_readdirsize) + - NFS_MAXPKTHDR) * pktscale; - } else { - if (nmp->nm_sotype != SOCK_STREAM) - panic("nfscon sotype"); - if (so->so_proto->pr_flags & PR_CONNREQUIRED) { - struct sockopt sopt; - int val; - - bzero(&sopt, sizeof sopt); - sopt.sopt_level = SOL_SOCKET; - sopt.sopt_name = SO_KEEPALIVE; - sopt.sopt_val = &val; - sopt.sopt_valsize = sizeof val; - val = 1; - sosetopt(so, &sopt); - } - if (so->so_proto->pr_protocol == IPPROTO_TCP) { - struct sockopt sopt; - int val; - - bzero(&sopt, sizeof sopt); - sopt.sopt_level = IPPROTO_TCP; - sopt.sopt_name = TCP_NODELAY; - sopt.sopt_val = &val; - sopt.sopt_valsize = sizeof val; - val = 1; - sosetopt(so, &sopt); - } - sndreserve = (nmp->nm_wsize + NFS_MAXPKTHDR + - sizeof (u_int32_t)) * pktscale; - rcvreserve = (nmp->nm_rsize + NFS_MAXPKTHDR + - sizeof (u_int32_t)) * pktscale; - } - error = soreserve(so, sndreserve, rcvreserve); - if (error) - goto bad; - so->so_rcv.sb_flags |= SB_NOINTR; - so->so_snd.sb_flags |= SB_NOINTR; - - /* Initialize other non-zero congestion variables */ - nmp->nm_srtt[0] = nmp->nm_srtt[1] = nmp->nm_srtt[2] = - nmp->nm_srtt[3] = (NFS_TIMEO << 3); - nmp->nm_sdrtt[0] = nmp->nm_sdrtt[1] = nmp->nm_sdrtt[2] = - nmp->nm_sdrtt[3] = 0; - nmp->nm_cwnd = NFS_MAXCWND / 2; /* Initial send window */ - nmp->nm_sent = 0; - nmp->nm_timeouts = 0; - return (0); - -bad: - nfs_disconnect(nmp); - return (error); -} - -/* - * Reconnect routine: - * Called when a connection is broken on a reliable protocol. - * - clean up the old socket - * - nfs_connect() again - * - set R_MUSTRESEND for all outstanding requests on mount point - * If this fails the mount point is DEAD! - * nb: Must be called with the nfs_sndlock() set on the mount point. - */ -static int -nfs_reconnect(rep) - register struct nfsreq *rep; -{ - register struct nfsreq *rp; - register struct nfsmount *nmp = rep->r_nmp; - int error; - - nfs_disconnect(nmp); - while ((error = nfs_connect(nmp, rep)) != 0) { - if (error == EINTR || error == ERESTART) - return (EINTR); - (void) tsleep((caddr_t)&lbolt, PSOCK, "nfscon", 0); - } - - /* - * Loop through outstanding request list and fix up all requests - * on old socket. - */ - for (rp = nfs_reqq.tqh_first; rp != 0; rp = rp->r_chain.tqe_next) { - if (rp->r_nmp == nmp) - rp->r_flags |= R_MUSTRESEND; - } - return (0); -} - -/* - * NFS disconnect. Clean up and unlink. - */ -void -nfs_disconnect(nmp) - register struct nfsmount *nmp; -{ - register struct socket *so; - - if (nmp->nm_so) { - so = nmp->nm_so; - nmp->nm_so = (struct socket *)0; - soshutdown(so, 2); - soclose(so); - } -} - -void -nfs_safedisconnect(nmp) - struct nfsmount *nmp; -{ - struct nfsreq dummyreq; - - bzero(&dummyreq, sizeof(dummyreq)); - dummyreq.r_nmp = nmp; - nfs_rcvlock(&dummyreq); - nfs_disconnect(nmp); - nfs_rcvunlock(&dummyreq); -} - -/* - * This is the nfs send routine. For connection based socket types, it - * must be called with an nfs_sndlock() on the socket. - * "rep == NULL" indicates that it has been called from a server. - * For the client side: - * - return EINTR if the RPC is terminated, 0 otherwise - * - set R_MUSTRESEND if the send fails for any reason - * - do any cleanup required by recoverable socket errors (?) - * For the server side: - * - return EINTR or ERESTART if interrupted by a signal - * - return EPIPE if a connection is lost for connection based sockets (TCP...) - * - do any cleanup required by recoverable socket errors (?) - */ -int -nfs_send(so, nam, top, rep) - register struct socket *so; - struct sockaddr *nam; - register struct mbuf *top; - struct nfsreq *rep; -{ - struct sockaddr *sendnam; - int error, soflags, flags; - - if (rep) { - if (rep->r_flags & R_SOFTTERM) { - m_freem(top); - return (EINTR); - } - if ((so = rep->r_nmp->nm_so) == NULL) { - rep->r_flags |= R_MUSTRESEND; - m_freem(top); - return (0); - } - rep->r_flags &= ~R_MUSTRESEND; - soflags = rep->r_nmp->nm_soflags; - } else - soflags = so->so_proto->pr_flags; - if ((soflags & PR_CONNREQUIRED) || (so->so_state & SS_ISCONNECTED)) - sendnam = (struct sockaddr *)0; - else - sendnam = nam; - if (so->so_type == SOCK_SEQPACKET) - flags = MSG_EOR; - else - flags = 0; - - error = so->so_proto->pr_usrreqs->pru_sosend(so, sendnam, 0, top, 0, - flags, curthread /*XXX*/); - /* - * ENOBUFS for dgram sockets is transient and non fatal. - * No need to log, and no need to break a soft mount. - */ - if (error == ENOBUFS && so->so_type == SOCK_DGRAM) { - error = 0; - if (rep) /* do backoff retransmit on client */ - rep->r_flags |= R_MUSTRESEND; - } - - if (error) { - if (rep) { - log(LOG_INFO, "nfs send error %d for server %s\n",error, - rep->r_nmp->nm_mountp->mnt_stat.f_mntfromname); - /* - * Deal with errors for the client side. - */ - if (rep->r_flags & R_SOFTTERM) - error = EINTR; - else - rep->r_flags |= R_MUSTRESEND; - } else - log(LOG_INFO, "nfsd send error %d\n", error); - - /* - * Handle any recoverable (soft) socket errors here. (?) - */ - if (error != EINTR && error != ERESTART && - error != EWOULDBLOCK && error != EPIPE) - error = 0; - } - return (error); -} - -/* - * Receive a Sun RPC Request/Reply. For SOCK_DGRAM, the work is all - * done by soreceive(), but for SOCK_STREAM we must deal with the Record - * Mark and consolidate the data into a new mbuf list. - * nb: Sometimes TCP passes the data up to soreceive() in long lists of - * small mbufs. - * For SOCK_STREAM we must be very careful to read an entire record once - * we have read any of it, even if the system call has been interrupted. - */ -static int -nfs_receive(rep, aname, mp) - register struct nfsreq *rep; - struct sockaddr **aname; - struct mbuf **mp; -{ - register struct socket *so; - struct uio auio; - struct iovec aio; - register struct mbuf *m; - struct mbuf *control; - u_int32_t len; - struct sockaddr **getnam; - int error, sotype, rcvflg; - struct thread *td = curthread; /* XXX */ - - /* - * Set up arguments for soreceive() - */ - *mp = (struct mbuf *)0; - *aname = (struct sockaddr *)0; - sotype = rep->r_nmp->nm_sotype; - - /* - * For reliable protocols, lock against other senders/receivers - * in case a reconnect is necessary. - * For SOCK_STREAM, first get the Record Mark to find out how much - * more there is to get. - * We must lock the socket against other receivers - * until we have an entire rpc request/reply. - */ - if (sotype != SOCK_DGRAM) { - error = nfs_sndlock(rep); - if (error) - return (error); -tryagain: - /* - * Check for fatal errors and resending request. - */ - /* - * Ugh: If a reconnect attempt just happened, nm_so - * would have changed. NULL indicates a failed - * attempt that has essentially shut down this - * mount point. - */ - if (rep->r_mrep || (rep->r_flags & R_SOFTTERM)) { - nfs_sndunlock(rep); - return (EINTR); - } - so = rep->r_nmp->nm_so; - if (!so) { - error = nfs_reconnect(rep); - if (error) { - nfs_sndunlock(rep); - return (error); - } - goto tryagain; - } - while (rep->r_flags & R_MUSTRESEND) { - m = m_copym(rep->r_mreq, 0, M_COPYALL, M_TRYWAIT); - nfsstats.rpcretries++; - error = nfs_send(so, rep->r_nmp->nm_nam, m, rep); - if (error) { - if (error == EINTR || error == ERESTART || - (error = nfs_reconnect(rep)) != 0) { - nfs_sndunlock(rep); - return (error); - } - goto tryagain; - } - } - nfs_sndunlock(rep); - if (sotype == SOCK_STREAM) { - aio.iov_base = (caddr_t) &len; - aio.iov_len = sizeof(u_int32_t); - auio.uio_iov = &aio; - auio.uio_iovcnt = 1; - auio.uio_segflg = UIO_SYSSPACE; - auio.uio_rw = UIO_READ; - auio.uio_offset = 0; - auio.uio_resid = sizeof(u_int32_t); - auio.uio_td = td; - do { - rcvflg = MSG_WAITALL; - error = so->so_proto->pr_usrreqs->pru_soreceive - (so, (struct sockaddr **)0, &auio, - (struct mbuf **)0, (struct mbuf **)0, - &rcvflg); - if (error == EWOULDBLOCK && rep) { - if (rep->r_flags & R_SOFTTERM) - return (EINTR); - } - } while (error == EWOULDBLOCK); - if (!error && auio.uio_resid > 0) { - /* - * Don't log a 0 byte receive; it means - * that the socket has been closed, and - * can happen during normal operation - * (forcible unmount or Solaris server). - */ - if (auio.uio_resid != sizeof (u_int32_t)) - log(LOG_INFO, - "short receive (%d/%d) from nfs server %s\n", - (int)(sizeof(u_int32_t) - auio.uio_resid), - (int)sizeof(u_int32_t), - rep->r_nmp->nm_mountp->mnt_stat.f_mntfromname); - error = EPIPE; - } - if (error) - goto errout; - len = ntohl(len) & ~0x80000000; - /* - * This is SERIOUS! We are out of sync with the sender - * and forcing a disconnect/reconnect is all I can do. - */ - if (len > NFS_MAXPACKET) { - log(LOG_ERR, "%s (%d) from nfs server %s\n", - "impossible packet length", - len, - rep->r_nmp->nm_mountp->mnt_stat.f_mntfromname); - error = EFBIG; - goto errout; - } - auio.uio_resid = len; - do { - rcvflg = MSG_WAITALL; - error = so->so_proto->pr_usrreqs->pru_soreceive - (so, (struct sockaddr **)0, - &auio, mp, (struct mbuf **)0, &rcvflg); - } while (error == EWOULDBLOCK || error == EINTR || - error == ERESTART); - if (!error && auio.uio_resid > 0) { - if (len != auio.uio_resid) - log(LOG_INFO, - "short receive (%d/%d) from nfs server %s\n", - len - auio.uio_resid, len, - rep->r_nmp->nm_mountp->mnt_stat.f_mntfromname); - error = EPIPE; - } - } else { - /* - * NB: Since uio_resid is big, MSG_WAITALL is ignored - * and soreceive() will return when it has either a - * control msg or a data msg. - * We have no use for control msg., but must grab them - * and then throw them away so we know what is going - * on. - */ - auio.uio_resid = len = 100000000; /* Anything Big */ - auio.uio_td = td; - do { - rcvflg = 0; - error = so->so_proto->pr_usrreqs->pru_soreceive - (so, (struct sockaddr **)0, - &auio, mp, &control, &rcvflg); - if (control) - m_freem(control); - if (error == EWOULDBLOCK && rep) { - if (rep->r_flags & R_SOFTTERM) - return (EINTR); - } - } while (error == EWOULDBLOCK || - (!error && *mp == NULL && control)); - if ((rcvflg & MSG_EOR) == 0) - printf("Egad!!\n"); - if (!error && *mp == NULL) - error = EPIPE; - len -= auio.uio_resid; - } -errout: - if (error && error != EINTR && error != ERESTART) { - m_freem(*mp); - *mp = (struct mbuf *)0; - if (error != EPIPE) - log(LOG_INFO, - "receive error %d from nfs server %s\n", - error, - rep->r_nmp->nm_mountp->mnt_stat.f_mntfromname); - error = nfs_sndlock(rep); - if (!error) - error = nfs_reconnect(rep); - if (!error) - goto tryagain; - else - nfs_sndunlock(rep); - } - } else { - if ((so = rep->r_nmp->nm_so) == NULL) - return (EACCES); - if (so->so_state & SS_ISCONNECTED) - getnam = (struct sockaddr **)0; - else - getnam = aname; - auio.uio_resid = len = 1000000; - auio.uio_td = td; - do { - rcvflg = 0; - error = so->so_proto->pr_usrreqs->pru_soreceive - (so, getnam, &auio, mp, - (struct mbuf **)0, &rcvflg); - if (error == EWOULDBLOCK && - (rep->r_flags & R_SOFTTERM)) - return (EINTR); - } while (error == EWOULDBLOCK); - len -= auio.uio_resid; - } - if (error) { - m_freem(*mp); - *mp = (struct mbuf *)0; - } - /* - * Search for any mbufs that are not a multiple of 4 bytes long - * or with m_data not longword aligned. - * These could cause pointer alignment problems, so copy them to - * well aligned mbufs. - */ - nfs_realign(mp, 5 * NFSX_UNSIGNED); - return (error); -} - -/* - * Implement receipt of reply on a socket. - * We must search through the list of received datagrams matching them - * with outstanding requests using the xid, until ours is found. - */ -/* ARGSUSED */ -int -nfs_reply(myrep) - struct nfsreq *myrep; -{ - register struct nfsreq *rep; - register struct nfsmount *nmp = myrep->r_nmp; - register int32_t t1; - struct mbuf *mrep, *md; - struct sockaddr *nam; - u_int32_t rxid, *tl; - caddr_t dpos, cp2; - int error; - - /* - * Loop around until we get our own reply - */ - for (;;) { - /* - * Lock against other receivers so that I don't get stuck in - * sbwait() after someone else has received my reply for me. - * Also necessary for connection based protocols to avoid - * race conditions during a reconnect. - * If nfs_rcvlock() returns EALREADY, that means that - * the reply has already been recieved by another - * process and we can return immediately. In this - * case, the lock is not taken to avoid races with - * other processes. - */ - error = nfs_rcvlock(myrep); - if (error == EALREADY) - return (0); - if (error) - return (error); - /* - * Get the next Rpc reply off the socket - */ - error = nfs_receive(myrep, &nam, &mrep); - nfs_rcvunlock(myrep); - if (error) { - - /* - * Ignore routing errors on connectionless protocols?? - */ - if (NFSIGNORE_SOERROR(nmp->nm_soflags, error)) { - nmp->nm_so->so_error = 0; - if (myrep->r_flags & R_GETONEREP) - return (0); - continue; - } - return (error); - } - if (nam) - FREE(nam, M_SONAME); - - /* - * Get the xid and check that it is an rpc reply - */ - md = mrep; - dpos = mtod(md, caddr_t); - nfsm_dissect(tl, u_int32_t *, 2*NFSX_UNSIGNED); - rxid = *tl++; - if (*tl != rpc_reply) { -#ifndef NFS_NOSERVER - if (nmp->nm_flag & NFSMNT_NQNFS) { - if (nqnfs_callback(nmp, mrep, md, dpos)) - nfsstats.rpcinvalid++; - } else { - nfsstats.rpcinvalid++; - m_freem(mrep); - } -#else - nfsstats.rpcinvalid++; - m_freem(mrep); -#endif -nfsmout: - if (myrep->r_flags & R_GETONEREP) - return (0); - continue; - } - - /* - * Loop through the request list to match up the reply - * Iff no match, just drop the datagram - */ - for (rep = nfs_reqq.tqh_first; rep != 0; - rep = rep->r_chain.tqe_next) { - if (rep->r_mrep == NULL && rxid == rep->r_xid) { - /* Found it.. */ - rep->r_mrep = mrep; - rep->r_md = md; - rep->r_dpos = dpos; - if (nfsrtton) { - struct rttl *rt; - - rt = &nfsrtt.rttl[nfsrtt.pos]; - rt->proc = rep->r_procnum; - rt->rto = NFS_RTO(nmp, proct[rep->r_procnum]); - rt->sent = nmp->nm_sent; - rt->cwnd = nmp->nm_cwnd; - rt->srtt = nmp->nm_srtt[proct[rep->r_procnum] - 1]; - rt->sdrtt = nmp->nm_sdrtt[proct[rep->r_procnum] - 1]; - rt->fsid = nmp->nm_mountp->mnt_stat.f_fsid; - getmicrotime(&rt->tstamp); - if (rep->r_flags & R_TIMING) - rt->rtt = rep->r_rtt; - else - rt->rtt = 1000000; - nfsrtt.pos = (nfsrtt.pos + 1) % NFSRTTLOGSIZ; - } - /* - * Update congestion window. - * Do the additive increase of - * one rpc/rtt. - */ - if (nmp->nm_cwnd <= nmp->nm_sent) { - nmp->nm_cwnd += - (NFS_CWNDSCALE * NFS_CWNDSCALE + - (nmp->nm_cwnd >> 1)) / nmp->nm_cwnd; - if (nmp->nm_cwnd > NFS_MAXCWND) - nmp->nm_cwnd = NFS_MAXCWND; - } - if (rep->r_flags & R_SENT) { - rep->r_flags &= ~R_SENT; - nmp->nm_sent -= NFS_CWNDSCALE; - } - /* - * Update rtt using a gain of 0.125 on the mean - * and a gain of 0.25 on the deviation. - */ - if (rep->r_flags & R_TIMING) { - /* - * Since the timer resolution of - * NFS_HZ is so course, it can often - * result in r_rtt == 0. Since - * r_rtt == N means that the actual - * rtt is between N+dt and N+2-dt ticks, - * add 1. - */ - t1 = rep->r_rtt + 1; - t1 -= (NFS_SRTT(rep) >> 3); - NFS_SRTT(rep) += t1; - if (t1 < 0) - t1 = -t1; - t1 -= (NFS_SDRTT(rep) >> 2); - NFS_SDRTT(rep) += t1; - } - nmp->nm_timeouts = 0; - break; - } - } - /* - * If not matched to a request, drop it. - * If it's mine, get out. - */ - if (rep == 0) { - nfsstats.rpcunexpected++; - m_freem(mrep); - } else if (rep == myrep) { - if (rep->r_mrep == NULL) - panic("nfsreply nil"); - return (0); - } - if (myrep->r_flags & R_GETONEREP) - return (0); - } -} - -/* - * nfs_request - goes something like this - * - fill in request struct - * - links it into list - * - calls nfs_send() for first transmit - * - calls nfs_receive() to get reply - * - break down rpc header and return with nfs reply pointed to - * by mrep or error - * nb: always frees up mreq mbuf list - */ -int -nfs_request(vp, mrest, procnum, td, cred, mrp, mdp, dposp) - struct vnode *vp; - struct mbuf *mrest; - int procnum; - struct thread *td; - struct ucred *cred; - struct mbuf **mrp; - struct mbuf **mdp; - caddr_t *dposp; -{ - register struct mbuf *mrep, *m2; - register struct nfsreq *rep; - register u_int32_t *tl; - register int i; - struct nfsmount *nmp; - struct mbuf *m, *md, *mheadend; - struct nfsnode *np; - char nickv[RPCX_NICKVERF]; - time_t reqtime, waituntil; - caddr_t dpos, cp2; - int t1, nqlflag, cachable, s, error = 0, mrest_len, auth_len, auth_type; - int trylater_delay = NQ_TRYLATERDEL, trylater_cnt = 0, failed_auth = 0; - int verf_len, verf_type; - u_int32_t xid; - u_quad_t frev; - char *auth_str, *verf_str; - NFSKERBKEY_T key; /* save session key */ - - nmp = VFSTONFS(vp->v_mount); - MALLOC(rep, struct nfsreq *, sizeof(struct nfsreq), M_NFSREQ, M_WAITOK); - rep->r_nmp = nmp; - rep->r_vp = vp; - rep->r_td = td; - rep->r_procnum = procnum; - i = 0; - m = mrest; - while (m) { - i += m->m_len; - m = m->m_next; - } - mrest_len = i; - - /* - * Get the RPC header with authorization. - */ -kerbauth: - verf_str = auth_str = (char *)0; - if (nmp->nm_flag & NFSMNT_KERB) { - verf_str = nickv; - verf_len = sizeof (nickv); - auth_type = RPCAUTH_KERB4; - bzero((caddr_t)key, sizeof (key)); - if (failed_auth || nfs_getnickauth(nmp, cred, &auth_str, - &auth_len, verf_str, verf_len)) { - error = nfs_getauth(nmp, rep, cred, &auth_str, - &auth_len, verf_str, &verf_len, key); - if (error) { - free((caddr_t)rep, M_NFSREQ); - m_freem(mrest); - return (error); - } - } - } else { - auth_type = RPCAUTH_UNIX; - if (cred->cr_ngroups < 1) - panic("nfsreq nogrps"); - auth_len = ((((cred->cr_ngroups - 1) > nmp->nm_numgrps) ? - nmp->nm_numgrps : (cred->cr_ngroups - 1)) << 2) + - 5 * NFSX_UNSIGNED; - } - m = nfsm_rpchead(cred, nmp->nm_flag, procnum, auth_type, auth_len, - auth_str, verf_len, verf_str, mrest, mrest_len, &mheadend, &xid); - if (auth_str) - free(auth_str, M_TEMP); - - /* - * For stream protocols, insert a Sun RPC Record Mark. - */ - if (nmp->nm_sotype == SOCK_STREAM) { - M_PREPEND(m, NFSX_UNSIGNED, M_TRYWAIT); - *mtod(m, u_int32_t *) = htonl(0x80000000 | - (m->m_pkthdr.len - NFSX_UNSIGNED)); - } - rep->r_mreq = m; - rep->r_xid = xid; -tryagain: - if (nmp->nm_flag & NFSMNT_SOFT) - rep->r_retry = nmp->nm_retry; - else - rep->r_retry = NFS_MAXREXMIT + 1; /* past clip limit */ - rep->r_rtt = rep->r_rexmit = 0; - if (proct[procnum] > 0) - rep->r_flags = R_TIMING; - else - rep->r_flags = 0; - rep->r_mrep = NULL; - - /* - * Do the client side RPC. - */ - nfsstats.rpcrequests++; - /* - * Chain request into list of outstanding requests. Be sure - * to put it LAST so timer finds oldest requests first. - */ - s = splsoftclock(); - TAILQ_INSERT_TAIL(&nfs_reqq, rep, r_chain); - - /* Get send time for nqnfs */ - reqtime = time_second; - - /* - * If backing off another request or avoiding congestion, don't - * send this one now but let timer do it. If not timing a request, - * do it now. - */ - if (nmp->nm_so && (nmp->nm_sotype != SOCK_DGRAM || - (nmp->nm_flag & NFSMNT_DUMBTIMR) || - nmp->nm_sent < nmp->nm_cwnd)) { - splx(s); - if (nmp->nm_soflags & PR_CONNREQUIRED) - error = nfs_sndlock(rep); - if (!error) { - m2 = m_copym(m, 0, M_COPYALL, M_TRYWAIT); - error = nfs_send(nmp->nm_so, nmp->nm_nam, m2, rep); - if (nmp->nm_soflags & PR_CONNREQUIRED) - nfs_sndunlock(rep); - } - if (!error && (rep->r_flags & R_MUSTRESEND) == 0) { - nmp->nm_sent += NFS_CWNDSCALE; - rep->r_flags |= R_SENT; - } - } else { - splx(s); - rep->r_rtt = -1; - } - - /* - * Wait for the reply from our send or the timer's. - */ - if (!error || error == EPIPE) - error = nfs_reply(rep); - - /* - * RPC done, unlink the request. - */ - s = splsoftclock(); - TAILQ_REMOVE(&nfs_reqq, rep, r_chain); - splx(s); - - /* - * Decrement the outstanding request count. - */ - if (rep->r_flags & R_SENT) { - rep->r_flags &= ~R_SENT; /* paranoia */ - nmp->nm_sent -= NFS_CWNDSCALE; - } - /* - * If there was a successful reply and a tprintf msg. - * tprintf a response. - */ - if (!error && (rep->r_flags & R_TPRINTFMSG)) - nfs_msg(rep->r_td, nmp->nm_mountp->mnt_stat.f_mntfromname, - "is alive again"); - mrep = rep->r_mrep; - md = rep->r_md; - dpos = rep->r_dpos; - if (error) { - m_freem(rep->r_mreq); - free((caddr_t)rep, M_NFSREQ); - return (error); - } - - /* - * break down the rpc header and check if ok - */ - nfsm_dissect(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - if (*tl++ == rpc_msgdenied) { - if (*tl == rpc_mismatch) - error = EOPNOTSUPP; - else if ((nmp->nm_flag & NFSMNT_KERB) && *tl++ == rpc_autherr) { - if (!failed_auth) { - failed_auth++; - mheadend->m_next = (struct mbuf *)0; - m_freem(mrep); - m_freem(rep->r_mreq); - goto kerbauth; - } else - error = EAUTH; - } else - error = EACCES; - m_freem(mrep); - m_freem(rep->r_mreq); - free((caddr_t)rep, M_NFSREQ); - return (error); - } - - /* - * Grab any Kerberos verifier, otherwise just throw it away. - */ - verf_type = fxdr_unsigned(int, *tl++); - i = fxdr_unsigned(int32_t, *tl); - if ((nmp->nm_flag & NFSMNT_KERB) && verf_type == RPCAUTH_KERB4) { - error = nfs_savenickauth(nmp, cred, i, key, &md, &dpos, mrep); - if (error) - goto nfsmout; - } else if (i > 0) - nfsm_adv(nfsm_rndup(i)); - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - /* 0 == ok */ - if (*tl == 0) { - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - if (*tl != 0) { - error = fxdr_unsigned(int, *tl); - if ((nmp->nm_flag & NFSMNT_NFSV3) && - error == NFSERR_TRYLATER) { - m_freem(mrep); - error = 0; - waituntil = time_second + trylater_delay; - while (time_second < waituntil) - (void) tsleep((caddr_t)&lbolt, - PSOCK, "nqnfstry", 0); - trylater_delay *= nfs_backoff[trylater_cnt]; - if (trylater_cnt < 7) - trylater_cnt++; - goto tryagain; - } - - /* - * If the File Handle was stale, invalidate the - * lookup cache, just in case. - */ - if (error == ESTALE) - cache_purge(vp); - if (nmp->nm_flag & NFSMNT_NFSV3) { - *mrp = mrep; - *mdp = md; - *dposp = dpos; - error |= NFSERR_RETERR; - } else - m_freem(mrep); - m_freem(rep->r_mreq); - free((caddr_t)rep, M_NFSREQ); - return (error); - } - - /* - * For nqnfs, get any lease in reply - */ - if (nmp->nm_flag & NFSMNT_NQNFS) { - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - if (*tl) { - np = VTONFS(vp); - nqlflag = fxdr_unsigned(int, *tl); - nfsm_dissect(tl, u_int32_t *, 4*NFSX_UNSIGNED); - cachable = fxdr_unsigned(int, *tl++); - reqtime += fxdr_unsigned(int, *tl++); - if (reqtime > time_second) { - frev = fxdr_hyper(tl); - nqnfs_clientlease(nmp, np, nqlflag, - cachable, reqtime, frev); - } - } - } - *mrp = mrep; - *mdp = md; - *dposp = dpos; - m_freem(rep->r_mreq); - FREE((caddr_t)rep, M_NFSREQ); - return (0); - } - m_freem(mrep); - error = EPROTONOSUPPORT; -nfsmout: - m_freem(rep->r_mreq); - free((caddr_t)rep, M_NFSREQ); - return (error); -} -#ifndef NFS_NOSERVER /* * Generate the rpc reply header * siz arg. is used to decide if adding a cluster is worthwhile */ -int -nfs_rephead(siz, nd, slp, err, cache, frev, mrq, mbp, bposp) - int siz; - struct nfsrv_descript *nd; - struct nfssvc_sock *slp; - int err; - int cache; - u_quad_t *frev; - struct mbuf **mrq; - struct mbuf **mbp; - caddr_t *bposp; +void +nfs_rephead(int siz, struct nfsrv_descript *nd, struct nfssvc_sock *slp, + int err, struct mbuf **mrq, struct mbuf **mbp, caddr_t *bposp) { - register u_int32_t *tl; - register struct mbuf *mreq; + u_int32_t *tl; + struct mbuf *mreq; caddr_t bpos; - struct mbuf *mb, *mb2; + struct mbuf *mb; + + nd->nd_repstat = err; + if (err && (nd->nd_flag & ND_NFSV3) == 0) /* XXX recheck */ + siz = 0; MGETHDR(mreq, M_TRYWAIT, MT_DATA); mb = mreq; @@ -1272,48 +181,10 @@ nfs_rephead(siz, nd, slp, err, cache, frev, mrq, mbp, bposp) *tl++ = rpc_msgaccepted; /* - * For Kerberos authentication, we must send the nickname - * verifier back, otherwise just RPCAUTH_NULL. + * Send a RPCAUTH_NULL verifier - no Kerberos. */ - if (nd->nd_flag & ND_KERBFULL) { - register struct nfsuid *nuidp; - struct timeval ktvin, ktvout; - - for (nuidp = NUIDHASH(slp, nd->nd_cr.cr_uid)->lh_first; - nuidp != 0; nuidp = nuidp->nu_hash.le_next) { - if (nuidp->nu_cr.cr_uid == nd->nd_cr.cr_uid && - (!nd->nd_nam2 || netaddr_match(NU_NETFAM(nuidp), - &nuidp->nu_haddr, nd->nd_nam2))) - break; - } - if (nuidp) { - ktvin.tv_sec = - txdr_unsigned(nuidp->nu_timestamp.tv_sec - 1); - ktvin.tv_usec = - txdr_unsigned(nuidp->nu_timestamp.tv_usec); - - /* - * Encrypt the timestamp in ecb mode using the - * session key. - */ -#ifdef NFSKERB - XXX -#endif - - *tl++ = rpc_auth_kerb; - *tl++ = txdr_unsigned(3 * NFSX_UNSIGNED); - *tl = ktvout.tv_sec; - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - *tl++ = ktvout.tv_usec; - *tl++ = txdr_unsigned(nuidp->nu_cr.cr_uid); - } else { - *tl++ = 0; - *tl++ = 0; - } - } else { - *tl++ = 0; - *tl++ = 0; - } + *tl++ = 0; + *tl++ = 0; switch (err) { case EPROGUNAVAIL: *tl = txdr_unsigned(RPC_PROGUNAVAIL); @@ -1321,13 +192,8 @@ nfs_rephead(siz, nd, slp, err, cache, frev, mrq, mbp, bposp) case EPROGMISMATCH: *tl = txdr_unsigned(RPC_PROGMISMATCH); nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - if (nd->nd_flag & ND_NQNFS) { - *tl++ = txdr_unsigned(3); - *tl = txdr_unsigned(3); - } else { - *tl++ = txdr_unsigned(2); - *tl = txdr_unsigned(3); - } + *tl++ = txdr_unsigned(2); + *tl = txdr_unsigned(3); break; case EPROCUNAVAIL: *tl = txdr_unsigned(RPC_PROCUNAVAIL); @@ -1348,320 +214,14 @@ nfs_rephead(siz, nd, slp, err, cache, frev, mrq, mbp, bposp) }; } - /* - * For nqnfs, piggyback lease as requested. - */ - if ((nd->nd_flag & ND_NQNFS) && err == 0) { - if (nd->nd_flag & ND_LEASE) { - nfsm_build(tl, u_int32_t *, 5 * NFSX_UNSIGNED); - *tl++ = txdr_unsigned(nd->nd_flag & ND_LEASE); - *tl++ = txdr_unsigned(cache); - *tl++ = txdr_unsigned(nd->nd_duration); - txdr_hyper(*frev, tl); - } else { - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); - *tl = 0; - } - } if (mrq != NULL) - *mrq = mreq; + *mrq = mreq; *mbp = mb; *bposp = bpos; if (err != 0 && err != NFSERR_RETVOID) - nfsstats.srvrpc_errs++; - return (0); -} - - -#endif /* NFS_NOSERVER */ -/* - * Nfs timer routine - * Scan the nfsreq list and retranmit any requests that have timed out - * To avoid retransmission attempts on STREAM sockets (in the future) make - * sure to set the r_retry field to 0 (implies nm_retry == 0). - */ -void -nfs_timer(arg) - void *arg; /* never used */ -{ - register struct nfsreq *rep; - register struct mbuf *m; - register struct socket *so; - register struct nfsmount *nmp; - register int timeo; - int s, error; -#ifndef NFS_NOSERVER - static long lasttime = 0; - register struct nfssvc_sock *slp; - u_quad_t cur_usec; -#endif /* NFS_NOSERVER */ - struct thread *td = thread0; /* XXX for credentials, will break if sleep */ - - s = splnet(); - for (rep = nfs_reqq.tqh_first; rep != 0; rep = rep->r_chain.tqe_next) { - nmp = rep->r_nmp; - if (rep->r_mrep || (rep->r_flags & R_SOFTTERM)) - continue; - if (nfs_sigintr(nmp, rep, - (rep->r_td ? rep->r_td->td_proc : NULL))) { - nfs_softterm(rep); - continue; - } - if (rep->r_rtt >= 0) { - rep->r_rtt++; - if (nmp->nm_flag & NFSMNT_DUMBTIMR) - timeo = nmp->nm_timeo; - else - timeo = NFS_RTO(nmp, proct[rep->r_procnum]); - if (nmp->nm_timeouts > 0) - timeo *= nfs_backoff[nmp->nm_timeouts - 1]; - if (rep->r_rtt <= timeo) - continue; - if (nmp->nm_timeouts < 8) - nmp->nm_timeouts++; - } - /* - * Check for server not responding - */ - if ((rep->r_flags & R_TPRINTFMSG) == 0 && - rep->r_rexmit > nmp->nm_deadthresh) { - nfs_msg(rep->r_td, - nmp->nm_mountp->mnt_stat.f_mntfromname, - "not responding"); - rep->r_flags |= R_TPRINTFMSG; - } - if (rep->r_rexmit >= rep->r_retry) { /* too many */ - nfsstats.rpctimeouts++; - nfs_softterm(rep); - continue; - } - if (nmp->nm_sotype != SOCK_DGRAM) { - if (++rep->r_rexmit > NFS_MAXREXMIT) - rep->r_rexmit = NFS_MAXREXMIT; - continue; - } - if ((so = nmp->nm_so) == NULL) - continue; - - /* - * If there is enough space and the window allows.. - * Resend it - * Set r_rtt to -1 in case we fail to send it now. - */ - rep->r_rtt = -1; - if (sbspace(&so->so_snd) >= rep->r_mreq->m_pkthdr.len && - ((nmp->nm_flag & NFSMNT_DUMBTIMR) || - (rep->r_flags & R_SENT) || - nmp->nm_sent < nmp->nm_cwnd) && - (m = m_copym(rep->r_mreq, 0, M_COPYALL, M_DONTWAIT))){ - if ((nmp->nm_flag & NFSMNT_NOCONN) == 0) - error = (*so->so_proto->pr_usrreqs->pru_send) - (so, 0, m, (struct sockaddr *)0, - (struct mbuf *)0, td); - else - error = (*so->so_proto->pr_usrreqs->pru_send) - (so, 0, m, nmp->nm_nam, (struct mbuf *)0, - td); - if (error) { - if (NFSIGNORE_SOERROR(nmp->nm_soflags, error)) - so->so_error = 0; - } else { - /* - * Iff first send, start timing - * else turn timing off, backoff timer - * and divide congestion window by 2. - */ - if (rep->r_flags & R_SENT) { - rep->r_flags &= ~R_TIMING; - if (++rep->r_rexmit > NFS_MAXREXMIT) - rep->r_rexmit = NFS_MAXREXMIT; - nmp->nm_cwnd >>= 1; - if (nmp->nm_cwnd < NFS_CWNDSCALE) - nmp->nm_cwnd = NFS_CWNDSCALE; - nfsstats.rpcretries++; - } else { - rep->r_flags |= R_SENT; - nmp->nm_sent += NFS_CWNDSCALE; - } - rep->r_rtt = 0; - } - } - } -#ifndef NFS_NOSERVER - /* - * Call the nqnfs server timer once a second to handle leases. - */ - if (lasttime != time_second) { - lasttime = time_second; - nqnfs_serverd(); - } - - /* - * Scan the write gathering queues for writes that need to be - * completed now. - */ - cur_usec = nfs_curusec(); - for (slp = nfssvc_sockhead.tqh_first; slp != 0; - slp = slp->ns_chain.tqe_next) { - if (slp->ns_tq.lh_first && slp->ns_tq.lh_first->nd_time<=cur_usec) - nfsrv_wakenfsd(slp); - } -#endif /* NFS_NOSERVER */ - splx(s); - nfs_timer_handle = timeout(nfs_timer, (void *)0, nfs_ticks); -} - -/* - * Flag a request as being about to terminate (due to NFSMNT_INT/NFSMNT_SOFT). - * The nm_send count is decremented now to avoid deadlocks when the process in - * soreceive() hasn't yet managed to send its own request. - */ - -static void -nfs_softterm(rep) - struct nfsreq *rep; -{ - rep->r_flags |= R_SOFTTERM; - - if (rep->r_flags & R_SENT) { - rep->r_nmp->nm_sent -= NFS_CWNDSCALE; - rep->r_flags &= ~R_SENT; - } -} - -/* - * Test for a termination condition pending on the process. - * This is used for NFSMNT_INT mounts. - */ -int -nfs_sigintr(nmp, rep, p) - struct nfsmount *nmp; - struct nfsreq *rep; - register struct proc *p; -{ - sigset_t tmpset; - - if (rep && (rep->r_flags & R_SOFTTERM)) - return (EINTR); - if (!(nmp->nm_flag & NFSMNT_INT)) - return (0); - if (p == NULL) - return (0); - - tmpset = p->p_siglist; - SIGSETNAND(tmpset, p->p_sigmask); - SIGSETNAND(tmpset, p->p_sigignore); - if (SIGNOTEMPTY(p->p_siglist) && NFSINT_SIGMASK(tmpset)) - return (EINTR); - - return (0); -} - -/* - * Lock a socket against others. - * Necessary for STREAM sockets to ensure you get an entire rpc request/reply - * and also to avoid race conditions between the processes with nfs requests - * in progress when a reconnect is necessary. - */ -int -nfs_sndlock(rep) - struct nfsreq *rep; -{ - register int *statep = &rep->r_nmp->nm_state; - struct thread *td; - int slpflag = 0, slptimeo = 0; - - if (rep) { - td = rep->r_td; - if (rep->r_nmp->nm_flag & NFSMNT_INT) - slpflag = PCATCH; - } else - td = (struct thread *)0; - while (*statep & NFSSTA_SNDLOCK) { - if (nfs_sigintr(rep->r_nmp, rep, td ? td->td_proc : NULL)) - return (EINTR); - *statep |= NFSSTA_WANTSND; - (void) tsleep((caddr_t)statep, slpflag | (PZERO - 1), - "nfsndlck", slptimeo); - if (slpflag == PCATCH) { - slpflag = 0; - slptimeo = 2 * hz; - } - } - *statep |= NFSSTA_SNDLOCK; - return (0); -} - -/* - * Unlock the stream socket for others. - */ -void -nfs_sndunlock(rep) - struct nfsreq *rep; -{ - register int *statep = &rep->r_nmp->nm_state; - - if ((*statep & NFSSTA_SNDLOCK) == 0) - panic("nfs sndunlock"); - *statep &= ~NFSSTA_SNDLOCK; - if (*statep & NFSSTA_WANTSND) { - *statep &= ~NFSSTA_WANTSND; - wakeup((caddr_t)statep); - } -} - -static int -nfs_rcvlock(rep) - register struct nfsreq *rep; -{ - register int *statep = &rep->r_nmp->nm_state; - int slpflag, slptimeo = 0; - - if (rep->r_nmp->nm_flag & NFSMNT_INT) - slpflag = PCATCH; - else - slpflag = 0; - while (*statep & NFSSTA_RCVLOCK) { - if (nfs_sigintr(rep->r_nmp, rep, - (rep->r_td ? rep->r_td->td_proc : NULL))) - return (EINTR); - *statep |= NFSSTA_WANTRCV; - (void) tsleep((caddr_t)statep, slpflag | (PZERO - 1), "nfsrcvlk", - slptimeo); - /* - * If our reply was recieved while we were sleeping, - * then just return without taking the lock to avoid a - * situation where a single iod could 'capture' the - * recieve lock. - */ - if (rep->r_mrep != NULL) - return (EALREADY); - if (slpflag == PCATCH) { - slpflag = 0; - slptimeo = 2 * hz; - } - } - *statep |= NFSSTA_RCVLOCK; - return (0); + nfsrvstats.srvrpc_errs++; } -/* - * Unlock the stream socket for others. - */ -static void -nfs_rcvunlock(rep) - register struct nfsreq *rep; -{ - register int *statep = &rep->r_nmp->nm_state; - - if ((*statep & NFSSTA_RCVLOCK) == 0) - panic("nfs rcvunlock"); - *statep &= ~NFSSTA_RCVLOCK; - if (*statep & NFSSTA_WANTRCV) { - *statep &= ~NFSSTA_WANTRCV; - wakeup((caddr_t)statep); - } -} /* * nfs_realign: @@ -1679,16 +239,13 @@ nfs_rcvunlock(rep) * with TCP. Use vfs.nfs.realign_count and realign_test to check this. */ static void -nfs_realign(pm, hsiz) - register struct mbuf **pm; - int hsiz; +nfs_realign(struct mbuf **pm, int hsiz) /* XXX COMMON */ { struct mbuf *m; struct mbuf *n = NULL; int off = 0; ++nfs_realign_test; - while ((m = *pm) != NULL) { if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) { MGET(n, M_TRYWAIT, MT_DATA); @@ -1717,7 +274,6 @@ nfs_realign(pm, hsiz) } } -#ifndef NFS_NOSERVER /* * Parse an RPC request @@ -1725,26 +281,14 @@ nfs_realign(pm, hsiz) * - fill in the cred struct. */ int -nfs_getreq(nd, nfsd, has_header) - register struct nfsrv_descript *nd; - struct nfsd *nfsd; - int has_header; +nfs_getreq(struct nfsrv_descript *nd, struct nfsd *nfsd, int has_header) { - register int len, i; - register u_int32_t *tl; - register int32_t t1; - struct uio uio; - struct iovec iov; - caddr_t dpos, cp2, cp; + int len, i; + u_int32_t *tl; + caddr_t dpos; u_int32_t nfsvers, auth_type; - uid_t nickuid; - int error = 0, nqnfs = 0, ticklen; + int error = 0; struct mbuf *mrep, *md; - register struct nfsuid *nuidp; - struct timeval tvin, tvout; -#if 0 /* until encrypted keys are implemented */ - NFSKERBKEYSCHED_T keys; /* stores key schedule */ -#endif mrep = nd->nd_mrep; md = nd->nd_md; @@ -1766,38 +310,36 @@ nfs_getreq(nd, nfsd, has_header) return (0); } if (*tl != nfs_prog) { - if (*tl == nqnfs_prog) - nqnfs++; - else { - nd->nd_repstat = EPROGUNAVAIL; - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } + nd->nd_repstat = EPROGUNAVAIL; + nd->nd_procnum = NFSPROC_NOOP; + return (0); } tl++; nfsvers = fxdr_unsigned(u_int32_t, *tl++); - if (((nfsvers < NFS_VER2 || nfsvers > NFS_VER3) && !nqnfs) || - (nfsvers != NQNFS_VER3 && nqnfs)) { + if (nfsvers < NFS_VER2 || nfsvers > NFS_VER3) { nd->nd_repstat = EPROGMISMATCH; nd->nd_procnum = NFSPROC_NOOP; return (0); } - if (nqnfs) - nd->nd_flag = (ND_NFSV3 | ND_NQNFS); - else if (nfsvers == NFS_VER3) - nd->nd_flag = ND_NFSV3; nd->nd_procnum = fxdr_unsigned(u_int32_t, *tl++); if (nd->nd_procnum == NFSPROC_NULL) return (0); - if (nd->nd_procnum >= NFS_NPROCS || - (!nqnfs && nd->nd_procnum >= NQNFSPROC_GETLEASE) || - (!nd->nd_flag && nd->nd_procnum > NFSV2PROC_STATFS)) { - nd->nd_repstat = EPROCUNAVAIL; - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - if ((nd->nd_flag & ND_NFSV3) == 0) + if (nfsvers == NFS_VER3) { + nd->nd_flag = ND_NFSV3; + if (nd->nd_procnum >= NFS_NPROCS) { + nd->nd_repstat = EPROCUNAVAIL; + nd->nd_procnum = NFSPROC_NOOP; + return (0); + } + } else { + if (nd->nd_procnum > NFSV2PROC_STATFS) { + nd->nd_repstat = EPROCUNAVAIL; + nd->nd_procnum = NFSPROC_NOOP; + return (0); + } + /* Map the v2 procedure numbers into v3 ones */ nd->nd_procnum = nfsv3_procid[nd->nd_procnum]; + } auth_type = *tl++; len = fxdr_unsigned(int, *tl++); if (len < 0 || len > RPCAUTH_MAXSIZ) { @@ -1805,9 +347,8 @@ nfs_getreq(nd, nfsd, has_header) return (EBADRPC); } - nd->nd_flag &= ~ND_KERBAUTH; /* - * Handle auth_unix or auth_kerb. + * Handle auth_unix; */ if (auth_type == rpc_auth_unix) { len = fxdr_unsigned(int, *++tl); @@ -1842,123 +383,12 @@ nfs_getreq(nd, nfsd, has_header) } if (len > 0) nfsm_adv(nfsm_rndup(len)); - } else if (auth_type == rpc_auth_kerb) { - switch (fxdr_unsigned(int, *tl++)) { - case RPCAKN_FULLNAME: - ticklen = fxdr_unsigned(int, *tl); - *((u_int32_t *)nfsd->nfsd_authstr) = *tl; - uio.uio_resid = nfsm_rndup(ticklen) + NFSX_UNSIGNED; - nfsd->nfsd_authlen = uio.uio_resid + NFSX_UNSIGNED; - if (uio.uio_resid > (len - 2 * NFSX_UNSIGNED)) { - m_freem(mrep); - return (EBADRPC); - } - uio.uio_offset = 0; - uio.uio_iov = &iov; - uio.uio_iovcnt = 1; - uio.uio_segflg = UIO_SYSSPACE; - iov.iov_base = (caddr_t)&nfsd->nfsd_authstr[4]; - iov.iov_len = RPCAUTH_MAXSIZ - 4; - nfsm_mtouio(&uio, uio.uio_resid); - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - if (*tl++ != rpc_auth_kerb || - fxdr_unsigned(int, *tl) != 4 * NFSX_UNSIGNED) { - printf("Bad kerb verifier\n"); - nd->nd_repstat = (NFSERR_AUTHERR|AUTH_BADVERF); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - nfsm_dissect(cp, caddr_t, 4 * NFSX_UNSIGNED); - tl = (u_int32_t *)cp; - if (fxdr_unsigned(int, *tl) != RPCAKN_FULLNAME) { - printf("Not fullname kerb verifier\n"); - nd->nd_repstat = (NFSERR_AUTHERR|AUTH_BADVERF); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - cp += NFSX_UNSIGNED; - bcopy(cp, nfsd->nfsd_verfstr, 3 * NFSX_UNSIGNED); - nfsd->nfsd_verflen = 3 * NFSX_UNSIGNED; - nd->nd_flag |= ND_KERBFULL; - nfsd->nfsd_flag |= NFSD_NEEDAUTH; - break; - case RPCAKN_NICKNAME: - if (len != 2 * NFSX_UNSIGNED) { - printf("Kerb nickname short\n"); - nd->nd_repstat = (NFSERR_AUTHERR|AUTH_BADCRED); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - nickuid = fxdr_unsigned(uid_t, *tl); - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - if (*tl++ != rpc_auth_kerb || - fxdr_unsigned(int, *tl) != 3 * NFSX_UNSIGNED) { - printf("Kerb nick verifier bad\n"); - nd->nd_repstat = (NFSERR_AUTHERR|AUTH_BADVERF); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - nfsm_dissect(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - tvin.tv_sec = *tl++; - tvin.tv_usec = *tl; - - for (nuidp = NUIDHASH(nfsd->nfsd_slp,nickuid)->lh_first; - nuidp != 0; nuidp = nuidp->nu_hash.le_next) { - if (nuidp->nu_cr.cr_uid == nickuid && - (!nd->nd_nam2 || - netaddr_match(NU_NETFAM(nuidp), - &nuidp->nu_haddr, nd->nd_nam2))) - break; - } - if (!nuidp) { - nd->nd_repstat = - (NFSERR_AUTHERR|AUTH_REJECTCRED); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - - /* - * Now, decrypt the timestamp using the session key - * and validate it. - */ -#ifdef NFSKERB - XXX -#endif - - tvout.tv_sec = fxdr_unsigned(long, tvout.tv_sec); - tvout.tv_usec = fxdr_unsigned(long, tvout.tv_usec); - if (nuidp->nu_expire < time_second || - nuidp->nu_timestamp.tv_sec > tvout.tv_sec || - (nuidp->nu_timestamp.tv_sec == tvout.tv_sec && - nuidp->nu_timestamp.tv_usec > tvout.tv_usec)) { - nuidp->nu_expire = 0; - nd->nd_repstat = - (NFSERR_AUTHERR|AUTH_REJECTVERF); - nd->nd_procnum = NFSPROC_NOOP; - return (0); - } - nfsrv_setcred(&nuidp->nu_cr, &nd->nd_cr); - nd->nd_flag |= ND_KERBNICK; - }; } else { nd->nd_repstat = (NFSERR_AUTHERR | AUTH_REJECTCRED); nd->nd_procnum = NFSPROC_NOOP; return (0); } - /* - * For nqnfs, get piggybacked lease request. - */ - if (nqnfs && nd->nd_procnum != NQNFSPROC_EVICTED) { - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - nd->nd_flag |= fxdr_unsigned(int, *tl); - if (nd->nd_flag & ND_LEASE) { - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - nd->nd_duration = fxdr_unsigned(int32_t, *tl); - } else - nd->nd_duration = NQ_MINLEASE; - } else - nd->nd_duration = NQ_MINLEASE; nd->nd_md = md; nd->nd_dpos = dpos; return (0); @@ -1966,19 +396,6 @@ nfsmout: return (error); } -#endif - -static int -nfs_msg(td, server, msg) - struct thread *td; - char *server, *msg; -{ - - tprintf(td->td_proc, LOG_INFO, "nfs server %s: %s\n", server, msg); - return (0); -} - -#ifndef NFS_NOSERVER /* * Socket upcall routine for the nfsd sockets. * The caddr_t arg is a pointer to the "struct nfssvc_sock". @@ -1986,13 +403,10 @@ nfs_msg(td, server, msg) * be called with M_TRYWAIT from an nfsd. */ void -nfsrv_rcv(so, arg, waitflag) - struct socket *so; - void *arg; - int waitflag; +nfsrv_rcv(struct socket *so, void *arg, int waitflag) { - register struct nfssvc_sock *slp = (struct nfssvc_sock *)arg; - register struct mbuf *m; + struct nfssvc_sock *slp = (struct nfssvc_sock *)arg; + struct mbuf *m; struct mbuf *mp; struct sockaddr *nam; struct uio auio; @@ -2005,7 +419,8 @@ nfsrv_rcv(so, arg, waitflag) * Define this to test for nfsds handling this under heavy load. */ if (waitflag == M_DONTWAIT) { - slp->ns_flag |= SLP_NEEDQ; goto dorecs; + slp->ns_flag |= SLP_NEEDQ; + goto dorecs; } #endif auio.uio_td = NULL; @@ -2104,13 +519,11 @@ dorecs: * can sleep. */ static int -nfsrv_getstream(slp, waitflag) - register struct nfssvc_sock *slp; - int waitflag; +nfsrv_getstream(struct nfssvc_sock *slp, int waitflag) { - register struct mbuf *m, **mpp; - register char *cp1, *cp2; - register int len; + struct mbuf *m, **mpp; + char *cp1, *cp2; + int len; struct mbuf *om, *m2, *recm = NULL; u_int32_t recmark; @@ -2229,15 +642,13 @@ nfsrv_getstream(slp, waitflag) * Parse an RPC header. */ int -nfsrv_dorec(slp, nfsd, ndp) - register struct nfssvc_sock *slp; - struct nfsd *nfsd; - struct nfsrv_descript **ndp; +nfsrv_dorec(struct nfssvc_sock *slp, struct nfsd *nfsd, + struct nfsrv_descript **ndp) { struct nfsrv_rec *rec; - register struct mbuf *m; + struct mbuf *m; struct sockaddr *nam; - register struct nfsrv_descript *nd; + struct nfsrv_descript *nd; int error; *ndp = NULL; @@ -2272,14 +683,13 @@ nfsrv_dorec(slp, nfsd, ndp) * running nfsds will go look for the work in the nfssvc_sock list. */ void -nfsrv_wakenfsd(slp) - struct nfssvc_sock *slp; +nfsrv_wakenfsd(struct nfssvc_sock *slp) { - register struct nfsd *nd; + struct nfsd *nd; if ((slp->ns_flag & SLP_VALID) == 0) return; - for (nd = nfsd_head.tqh_first; nd != 0; nd = nd->nfsd_chain.tqe_next) { + TAILQ_FOREACH(nd, &nfsd_head, nfsd_chain) { if (nd->nfsd_flag & NFSD_WAITING) { nd->nfsd_flag &= ~NFSD_WAITING; if (nd->nfsd_slp) @@ -2293,4 +703,71 @@ nfsrv_wakenfsd(slp) slp->ns_flag |= SLP_DOREC; nfsd_head_flag |= NFSD_CHECKSLP; } -#endif /* NFS_NOSERVER */ + +/* + * This is the nfs send routine. + * For the server side: + * - return EINTR or ERESTART if interrupted by a signal + * - return EPIPE if a connection is lost for connection based sockets (TCP...) + * - do any cleanup required by recoverable socket errors (?) + */ +int +nfsrv_send(struct socket *so, struct sockaddr *nam, struct mbuf *top) +{ + struct sockaddr *sendnam; + int error, soflags, flags; + + soflags = so->so_proto->pr_flags; + if ((soflags & PR_CONNREQUIRED) || (so->so_state & SS_ISCONNECTED)) + sendnam = (struct sockaddr *)0; + else + sendnam = nam; + if (so->so_type == SOCK_SEQPACKET) + flags = MSG_EOR; + else + flags = 0; + + error = so->so_proto->pr_usrreqs->pru_sosend(so, sendnam, 0, top, 0, + flags, curthread/*XXX*/); + if (error == ENOBUFS && so->so_type == SOCK_DGRAM) + error = 0; + + if (error) { + log(LOG_INFO, "nfsd send error %d\n", error); + + /* + * Handle any recoverable (soft) socket errors here. (?) + */ + if (error != EINTR && error != ERESTART && + error != EWOULDBLOCK && error != EPIPE) + error = 0; + } + return (error); +} + +/* + * Nfs timer routine + * Scan the nfsreq list and retranmit any requests that have timed out + * To avoid retransmission attempts on STREAM sockets (in the future) make + * sure to set the r_retry field to 0 (implies nm_retry == 0). + */ +void +nfsrv_timer(void *arg) +{ + int s; + struct nfssvc_sock *slp; + u_quad_t cur_usec; + + s = splnet(); + /* + * Scan the write gathering queues for writes that need to be + * completed now. + */ + cur_usec = nfs_curusec(); + TAILQ_FOREACH(slp, &nfssvc_sockhead, ns_chain) { + if (LIST_FIRST(&slp->ns_tq) && LIST_FIRST(&slp->ns_tq)->nd_time<=cur_usec) + nfsrv_wakenfsd(slp); + } + splx(s); + nfsrv_timer_handle = timeout(nfsrv_timer, (void *)0, nfs_ticks); +} diff --git a/sys/nfsserver/nfs_srvsubs.c b/sys/nfsserver/nfs_srvsubs.c index 4425129..31a095f 100644 --- a/sys/nfsserver/nfs_srvsubs.c +++ b/sys/nfsserver/nfs_srvsubs.c @@ -37,11 +37,15 @@ * $FreeBSD$ */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + /* * These functions support the macros and help fiddle mbuf chains for * the nfs op functions. They do things like create the rpc header and * copy data between mbuf chains and uio lists. */ + #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> @@ -57,6 +61,7 @@ #include <sys/malloc.h> #include <sys/sysent.h> #include <sys/syscall.h> +#include <sys/sysproto.h> #include <vm/vm.h> #include <vm/vm_object.h> @@ -65,13 +70,9 @@ #include <nfs/rpcv2.h> #include <nfs/nfsproto.h> -#include <nfs/nfs.h> -#include <nfs/nfsnode.h> +#include <nfsserver/nfs.h> #include <nfs/xdr_subs.h> -#include <nfs/nfsm_subs.h> -#include <nfs/nfsmount.h> -#include <nfs/nqnfs.h> -#include <nfs/nfsrtt.h> +#include <nfsserver/nfsm_subs.h> #include <netinet/in.h> @@ -81,40 +82,25 @@ */ u_int32_t nfs_xdrneg1; u_int32_t rpc_call, rpc_vers, rpc_reply, rpc_msgdenied, rpc_autherr, - rpc_mismatch, rpc_auth_unix, rpc_msgaccepted, - rpc_auth_kerb; -u_int32_t nfs_prog, nqnfs_prog, nfs_true, nfs_false; + rpc_mismatch, rpc_auth_unix, rpc_msgaccepted; +u_int32_t nfs_prog, nfs_true, nfs_false; /* And other global data */ -static u_int32_t nfs_xid = 0; -static enum vtype nv2tov_type[8]= { - VNON, VREG, VDIR, VBLK, VCHR, VLNK, VNON, VNON -}; -enum vtype nv3tov_type[8]= { - VNON, VREG, VDIR, VBLK, VCHR, VLNK, VSOCK, VFIFO -}; +static nfstype nfsv2_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, + NFNON, NFCHR, NFNON }; +#define vtonfsv2_type(a) txdr_unsigned(nfsv2_type[((int32_t)(a))]) +#define vtonfsv3_mode(m) txdr_unsigned((m) & ALLPERMS) int nfs_ticks; -int nfs_pbuf_freecnt = -1; /* start out unlimited */ -struct nfs_reqq nfs_reqq; struct nfssvc_sockhead nfssvc_sockhead; int nfssvc_sockhead_flag; struct nfsd_head nfsd_head; int nfsd_head_flag; -struct nfs_bufq nfs_bufq; -struct nqtimerhead nqtimerhead; -struct nqfhhashhead *nqfhhashtbl; -u_long nqfhhash; -static void (*nfs_prev_lease_updatetime) __P((int)); static int nfs_prev_nfssvc_sy_narg; static sy_call_t *nfs_prev_nfssvc_sy_call; -#ifndef NFS_NOSERVER - -static vop_t *nfs_prev_vop_lease_check; - /* * Mapping of old NFS Version 2 RPC numbers to generic numbers. */ @@ -142,16 +128,12 @@ int nfsv3_procid[NFS_NPROCS] = { NFSPROC_NOOP, NFSPROC_NOOP, NFSPROC_NOOP, - NFSPROC_NOOP, - NFSPROC_NOOP, - NFSPROC_NOOP }; -#endif /* NFS_NOSERVER */ /* * and the reverse mapping from generic to Version 2 procedure numbers */ -int nfsv2_procid[NFS_NPROCS] = { +int nfsrvv2_procid[NFS_NPROCS] = { NFSV2PROC_NULL, NFSV2PROC_GETATTR, NFSV2PROC_SETATTR, @@ -175,12 +157,8 @@ int nfsv2_procid[NFS_NPROCS] = { NFSV2PROC_NOOP, NFSV2PROC_NOOP, NFSV2PROC_NOOP, - NFSV2PROC_NOOP, - NFSV2PROC_NOOP, - NFSV2PROC_NOOP, }; -#ifndef NFS_NOSERVER /* * Maps errno values to nfs error numbers. * Use NFSERR_IO as the catch all for ones not specifically defined in @@ -539,573 +517,13 @@ static short *nfsrv_v3errmap[] = { nfsv3err_commit, }; -#endif /* NFS_NOSERVER */ - -extern struct nfsrtt nfsrtt; -extern time_t nqnfsstarttime; -extern int nqsrv_clockskew; -extern int nqsrv_writeslack; -extern int nqsrv_maxlease; -extern struct nfsstats nfsstats; -extern int nqnfs_piggy[NFS_NPROCS]; -extern nfstype nfsv2_type[9]; -extern nfstype nfsv3_type[9]; -extern struct nfsnodehashhead *nfsnodehashtbl; -extern u_long nfsnodehash; - -struct nfssvc_args; -extern int nfssvc(struct thread *, struct nfssvc_args *, int *); - -LIST_HEAD(nfsnodehashhead, nfsnode); - -int nfs_webnamei __P((struct nameidata *, struct vnode *, struct thread *)); - -u_quad_t -nfs_curusec() -{ - struct timeval tv; - - getmicrotime(&tv); - return ((u_quad_t)tv.tv_sec * 1000000 + (u_quad_t)tv.tv_usec); -} - -/* - * Create the header for an rpc request packet - * The hsiz is the size of the rest of the nfs request header. - * (just used to decide if a cluster is a good idea) - */ -struct mbuf * -nfsm_reqh(vp, procid, hsiz, bposp) - struct vnode *vp; - u_long procid; - int hsiz; - caddr_t *bposp; -{ - register struct mbuf *mb; - register u_int32_t *tl; - register caddr_t bpos; - struct mbuf *mb2; - struct nfsmount *nmp; - int nqflag; - - MGET(mb, M_TRYWAIT, MT_DATA); - if (hsiz >= MINCLSIZE) - MCLGET(mb, M_TRYWAIT); - mb->m_len = 0; - bpos = mtod(mb, caddr_t); - - /* - * For NQNFS, add lease request. - */ - if (vp) { - nmp = VFSTONFS(vp->v_mount); - if (nmp->nm_flag & NFSMNT_NQNFS) { - nqflag = NQNFS_NEEDLEASE(vp, procid); - if (nqflag) { - nfsm_build(tl, u_int32_t *, 2*NFSX_UNSIGNED); - *tl++ = txdr_unsigned(nqflag); - *tl = txdr_unsigned(nmp->nm_leaseterm); - } else { - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); - *tl = 0; - } - } - } - /* Finally, return values */ - *bposp = bpos; - return (mb); -} - -/* - * Build the RPC header and fill in the authorization info. - * The authorization string argument is only used when the credentials - * come from outside of the kernel. - * Returns the head of the mbuf list. - */ -struct mbuf * -nfsm_rpchead(cr, nmflag, procid, auth_type, auth_len, auth_str, verf_len, - verf_str, mrest, mrest_len, mbp, xidp) - register struct ucred *cr; - int nmflag; - int procid; - int auth_type; - int auth_len; - char *auth_str; - int verf_len; - char *verf_str; - struct mbuf *mrest; - int mrest_len; - struct mbuf **mbp; - u_int32_t *xidp; -{ - register struct mbuf *mb; - register u_int32_t *tl; - register caddr_t bpos; - register int i; - struct mbuf *mreq, *mb2; - int siz, grpsiz, authsiz; - - authsiz = nfsm_rndup(auth_len); - MGETHDR(mb, M_TRYWAIT, MT_DATA); - if ((authsiz + 10 * NFSX_UNSIGNED) >= MINCLSIZE) { - MCLGET(mb, M_TRYWAIT); - } else if ((authsiz + 10 * NFSX_UNSIGNED) < MHLEN) { - MH_ALIGN(mb, authsiz + 10 * NFSX_UNSIGNED); - } else { - MH_ALIGN(mb, 8 * NFSX_UNSIGNED); - } - mb->m_len = 0; - mreq = mb; - bpos = mtod(mb, caddr_t); - - /* - * First the RPC header. - */ - nfsm_build(tl, u_int32_t *, 8 * NFSX_UNSIGNED); - - /* Get a pretty random xid to start with */ - if (!nfs_xid) - nfs_xid = random(); - /* - * Skip zero xid if it should ever happen. - */ - if (++nfs_xid == 0) - nfs_xid++; - - *tl++ = *xidp = txdr_unsigned(nfs_xid); - *tl++ = rpc_call; - *tl++ = rpc_vers; - if (nmflag & NFSMNT_NQNFS) { - *tl++ = txdr_unsigned(NQNFS_PROG); - *tl++ = txdr_unsigned(NQNFS_VER3); - } else { - *tl++ = txdr_unsigned(NFS_PROG); - if (nmflag & NFSMNT_NFSV3) - *tl++ = txdr_unsigned(NFS_VER3); - else - *tl++ = txdr_unsigned(NFS_VER2); - } - if (nmflag & NFSMNT_NFSV3) - *tl++ = txdr_unsigned(procid); - else - *tl++ = txdr_unsigned(nfsv2_procid[procid]); - - /* - * And then the authorization cred. - */ - *tl++ = txdr_unsigned(auth_type); - *tl = txdr_unsigned(authsiz); - switch (auth_type) { - case RPCAUTH_UNIX: - nfsm_build(tl, u_int32_t *, auth_len); - *tl++ = 0; /* stamp ?? */ - *tl++ = 0; /* NULL hostname */ - *tl++ = txdr_unsigned(cr->cr_uid); - *tl++ = txdr_unsigned(cr->cr_groups[0]); - grpsiz = (auth_len >> 2) - 5; - *tl++ = txdr_unsigned(grpsiz); - for (i = 1; i <= grpsiz; i++) - *tl++ = txdr_unsigned(cr->cr_groups[i]); - break; - case RPCAUTH_KERB4: - siz = auth_len; - while (siz > 0) { - if (M_TRAILINGSPACE(mb) == 0) { - MGET(mb2, M_TRYWAIT, MT_DATA); - if (siz >= MINCLSIZE) - MCLGET(mb2, M_TRYWAIT); - mb->m_next = mb2; - mb = mb2; - mb->m_len = 0; - bpos = mtod(mb, caddr_t); - } - i = min(siz, M_TRAILINGSPACE(mb)); - bcopy(auth_str, bpos, i); - mb->m_len += i; - auth_str += i; - bpos += i; - siz -= i; - } - if ((siz = (nfsm_rndup(auth_len) - auth_len)) > 0) { - for (i = 0; i < siz; i++) - *bpos++ = '\0'; - mb->m_len += siz; - } - break; - }; - - /* - * And the verifier... - */ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - if (verf_str) { - *tl++ = txdr_unsigned(RPCAUTH_KERB4); - *tl = txdr_unsigned(verf_len); - siz = verf_len; - while (siz > 0) { - if (M_TRAILINGSPACE(mb) == 0) { - MGET(mb2, M_TRYWAIT, MT_DATA); - if (siz >= MINCLSIZE) - MCLGET(mb2, M_TRYWAIT); - mb->m_next = mb2; - mb = mb2; - mb->m_len = 0; - bpos = mtod(mb, caddr_t); - } - i = min(siz, M_TRAILINGSPACE(mb)); - bcopy(verf_str, bpos, i); - mb->m_len += i; - verf_str += i; - bpos += i; - siz -= i; - } - if ((siz = (nfsm_rndup(verf_len) - verf_len)) > 0) { - for (i = 0; i < siz; i++) - *bpos++ = '\0'; - mb->m_len += siz; - } - } else { - *tl++ = txdr_unsigned(RPCAUTH_NULL); - *tl = 0; - } - mb->m_next = mrest; - mreq->m_pkthdr.len = authsiz + 10 * NFSX_UNSIGNED + mrest_len; - mreq->m_pkthdr.rcvif = (struct ifnet *)0; - *mbp = mb; - return (mreq); -} - -/* - * copies mbuf chain to the uio scatter/gather list - */ -int -nfsm_mbuftouio(mrep, uiop, siz, dpos) - struct mbuf **mrep; - register struct uio *uiop; - int siz; - caddr_t *dpos; -{ - register char *mbufcp, *uiocp; - register int xfer, left, len; - register struct mbuf *mp; - long uiosiz, rem; - int error = 0; - - mp = *mrep; - mbufcp = *dpos; - len = mtod(mp, caddr_t)+mp->m_len-mbufcp; - rem = nfsm_rndup(siz)-siz; - while (siz > 0) { - if (uiop->uio_iovcnt <= 0 || uiop->uio_iov == NULL) - return (EFBIG); - left = uiop->uio_iov->iov_len; - uiocp = uiop->uio_iov->iov_base; - if (left > siz) - left = siz; - uiosiz = left; - while (left > 0) { - while (len == 0) { - mp = mp->m_next; - if (mp == NULL) - return (EBADRPC); - mbufcp = mtod(mp, caddr_t); - len = mp->m_len; - } - xfer = (left > len) ? len : left; -#ifdef notdef - /* Not Yet.. */ - if (uiop->uio_iov->iov_op != NULL) - (*(uiop->uio_iov->iov_op)) - (mbufcp, uiocp, xfer); - else -#endif - if (uiop->uio_segflg == UIO_SYSSPACE) - bcopy(mbufcp, uiocp, xfer); - else - copyout(mbufcp, uiocp, xfer); - left -= xfer; - len -= xfer; - mbufcp += xfer; - uiocp += xfer; - uiop->uio_offset += xfer; - uiop->uio_resid -= xfer; - } - if (uiop->uio_iov->iov_len <= siz) { - uiop->uio_iovcnt--; - uiop->uio_iov++; - } else { - uiop->uio_iov->iov_base += uiosiz; - uiop->uio_iov->iov_len -= uiosiz; - } - siz -= uiosiz; - } - *dpos = mbufcp; - *mrep = mp; - if (rem > 0) { - if (len < rem) - error = nfs_adv(mrep, dpos, rem, len); - else - *dpos += rem; - } - return (error); -} - -/* - * copies a uio scatter/gather list to an mbuf chain. - * NOTE: can ony handle iovcnt == 1 - */ -int -nfsm_uiotombuf(uiop, mq, siz, bpos) - register struct uio *uiop; - struct mbuf **mq; - int siz; - caddr_t *bpos; -{ - register char *uiocp; - register struct mbuf *mp, *mp2; - register int xfer, left, mlen; - int uiosiz, clflg, rem; - char *cp; - -#ifdef DIAGNOSTIC - if (uiop->uio_iovcnt != 1) - panic("nfsm_uiotombuf: iovcnt != 1"); -#endif - - if (siz > MLEN) /* or should it >= MCLBYTES ?? */ - clflg = 1; - else - clflg = 0; - rem = nfsm_rndup(siz)-siz; - mp = mp2 = *mq; - while (siz > 0) { - left = uiop->uio_iov->iov_len; - uiocp = uiop->uio_iov->iov_base; - if (left > siz) - left = siz; - uiosiz = left; - while (left > 0) { - mlen = M_TRAILINGSPACE(mp); - if (mlen == 0) { - MGET(mp, M_TRYWAIT, MT_DATA); - if (clflg) - MCLGET(mp, M_TRYWAIT); - mp->m_len = 0; - mp2->m_next = mp; - mp2 = mp; - mlen = M_TRAILINGSPACE(mp); - } - xfer = (left > mlen) ? mlen : left; -#ifdef notdef - /* Not Yet.. */ - if (uiop->uio_iov->iov_op != NULL) - (*(uiop->uio_iov->iov_op)) - (uiocp, mtod(mp, caddr_t)+mp->m_len, xfer); - else -#endif - if (uiop->uio_segflg == UIO_SYSSPACE) - bcopy(uiocp, mtod(mp, caddr_t)+mp->m_len, xfer); - else - copyin(uiocp, mtod(mp, caddr_t)+mp->m_len, xfer); - mp->m_len += xfer; - left -= xfer; - uiocp += xfer; - uiop->uio_offset += xfer; - uiop->uio_resid -= xfer; - } - uiop->uio_iov->iov_base += uiosiz; - uiop->uio_iov->iov_len -= uiosiz; - siz -= uiosiz; - } - if (rem > 0) { - if (rem > M_TRAILINGSPACE(mp)) { - MGET(mp, M_TRYWAIT, MT_DATA); - mp->m_len = 0; - mp2->m_next = mp; - } - cp = mtod(mp, caddr_t)+mp->m_len; - for (left = 0; left < rem; left++) - *cp++ = '\0'; - mp->m_len += rem; - *bpos = cp; - } else - *bpos = mtod(mp, caddr_t)+mp->m_len; - *mq = mp; - return (0); -} - -/* - * Help break down an mbuf chain by setting the first siz bytes contiguous - * pointed to by returned val. - * This is used by the macros nfsm_dissect and nfsm_dissecton for tough - * cases. (The macros use the vars. dpos and dpos2) - */ -int -nfsm_disct(mdp, dposp, siz, left, cp2) - struct mbuf **mdp; - caddr_t *dposp; - int siz; - int left; - caddr_t *cp2; -{ - register struct mbuf *mp, *mp2; - register int siz2, xfer; - register caddr_t ptr; - - mp = *mdp; - while (left == 0) { - *mdp = mp = mp->m_next; - if (mp == NULL) - return (EBADRPC); - left = mp->m_len; - *dposp = mtod(mp, caddr_t); - } - if (left >= siz) { - *cp2 = *dposp; - *dposp += siz; - } else if (mp->m_next == NULL) { - return (EBADRPC); - } else if (siz > MHLEN) { - panic("nfs S too big"); - } else { - MGET(mp2, M_TRYWAIT, MT_DATA); - mp2->m_next = mp->m_next; - mp->m_next = mp2; - mp->m_len -= left; - mp = mp2; - *cp2 = ptr = mtod(mp, caddr_t); - bcopy(*dposp, ptr, left); /* Copy what was left */ - siz2 = siz-left; - ptr += left; - mp2 = mp->m_next; - /* Loop around copying up the siz2 bytes */ - while (siz2 > 0) { - if (mp2 == NULL) - return (EBADRPC); - xfer = (siz2 > mp2->m_len) ? mp2->m_len : siz2; - if (xfer > 0) { - bcopy(mtod(mp2, caddr_t), ptr, xfer); - NFSMADV(mp2, xfer); - mp2->m_len -= xfer; - ptr += xfer; - siz2 -= xfer; - } - if (siz2 > 0) - mp2 = mp2->m_next; - } - mp->m_len = siz; - *mdp = mp2; - *dposp = mtod(mp2, caddr_t); - } - return (0); -} - -/* - * Advance the position in the mbuf chain. - */ -int -nfs_adv(mdp, dposp, offs, left) - struct mbuf **mdp; - caddr_t *dposp; - int offs; - int left; -{ - register struct mbuf *m; - register int s; - - m = *mdp; - s = left; - while (s < offs) { - offs -= s; - m = m->m_next; - if (m == NULL) - return (EBADRPC); - s = m->m_len; - } - *mdp = m; - *dposp = mtod(m, caddr_t)+offs; - return (0); -} - -/* - * Copy a string into mbufs for the hard cases... - */ -int -nfsm_strtmbuf(mb, bpos, cp, siz) - struct mbuf **mb; - char **bpos; - const char *cp; - long siz; -{ - register struct mbuf *m1 = NULL, *m2; - long left, xfer, len, tlen; - u_int32_t *tl; - int putsize; - - putsize = 1; - m2 = *mb; - left = M_TRAILINGSPACE(m2); - if (left > 0) { - tl = ((u_int32_t *)(*bpos)); - *tl++ = txdr_unsigned(siz); - putsize = 0; - left -= NFSX_UNSIGNED; - m2->m_len += NFSX_UNSIGNED; - if (left > 0) { - bcopy(cp, (caddr_t) tl, left); - siz -= left; - cp += left; - m2->m_len += left; - left = 0; - } - } - /* Loop around adding mbufs */ - while (siz > 0) { - MGET(m1, M_TRYWAIT, MT_DATA); - if (siz > MLEN) - MCLGET(m1, M_TRYWAIT); - m1->m_len = NFSMSIZ(m1); - m2->m_next = m1; - m2 = m1; - tl = mtod(m1, u_int32_t *); - tlen = 0; - if (putsize) { - *tl++ = txdr_unsigned(siz); - m1->m_len -= NFSX_UNSIGNED; - tlen = NFSX_UNSIGNED; - putsize = 0; - } - if (siz < m1->m_len) { - len = nfsm_rndup(siz); - xfer = siz; - if (xfer < len) - *(tl+(xfer>>2)) = 0; - } else { - xfer = len = m1->m_len; - } - bcopy(cp, (caddr_t) tl, xfer); - m1->m_len = len+tlen; - siz -= xfer; - cp += xfer; - } - *mb = m1; - *bpos = mtod(m1, caddr_t)+m1->m_len; - return (0); -} - /* * Called once to initialize data structures... */ -int -nfs_init(vfsp) - struct vfsconf *vfsp; +static int +nfs_init(void *dummy __unused) { - register int i; - - nfsmount_zone = zinit("NFSMOUNT", sizeof(struct nfsmount), 0, 0, 1); - nfs_mount_type = vfsp->vfc_typenum; - nfsrtt.pos = 0; rpc_vers = txdr_unsigned(RPC_VER2); rpc_call = txdr_unsigned(RPC_CALL); rpc_reply = txdr_unsigned(RPC_REPLY); @@ -1114,340 +532,40 @@ nfs_init(vfsp) rpc_mismatch = txdr_unsigned(RPC_MISMATCH); rpc_autherr = txdr_unsigned(RPC_AUTHERR); rpc_auth_unix = txdr_unsigned(RPCAUTH_UNIX); - rpc_auth_kerb = txdr_unsigned(RPCAUTH_KERB4); nfs_prog = txdr_unsigned(NFS_PROG); - nqnfs_prog = txdr_unsigned(NQNFS_PROG); nfs_true = txdr_unsigned(TRUE); nfs_false = txdr_unsigned(FALSE); nfs_xdrneg1 = txdr_unsigned(-1); nfs_ticks = (hz * NFS_TICKINTVL + 500) / 1000; if (nfs_ticks < 1) nfs_ticks = 1; - /* Ensure async daemons disabled */ - for (i = 0; i < NFS_MAXASYNCDAEMON; i++) { - nfs_iodwant[i] = (struct proc *)0; - nfs_iodmount[i] = (struct nfsmount *)0; - } - nfs_nhinit(); /* Init the nfsnode table */ -#ifndef NFS_NOSERVER + nfsrv_init(0); /* Init server data structures */ nfsrv_initcache(); /* Init the server request cache */ -#endif - - /* - * Initialize the nqnfs server stuff. - */ - if (nqnfsstarttime == 0) { - nqnfsstarttime = boottime.tv_sec + nqsrv_maxlease - + nqsrv_clockskew + nqsrv_writeslack; - NQLOADNOVRAM(nqnfsstarttime); - TAILQ_INIT(&nqtimerhead); - nqfhhashtbl = hashinit(NQLCHSZ, M_NQLEASE, &nqfhhash); - } - /* - * Initialize reply list and start timer - */ - TAILQ_INIT(&nfs_reqq); - - nfs_timer(0); + nfsrv_timer(0); - /* - * Set up lease_check and lease_updatetime so that other parts - * of the system can call us, if we are loadable. - */ -#ifndef NFS_NOSERVER - nfs_prev_vop_lease_check = default_vnodeop_p[VOFFSET(vop_lease)]; - default_vnodeop_p[VOFFSET(vop_lease)] = (vop_t *)nqnfs_vop_lease_check; -#endif - nfs_prev_lease_updatetime = lease_updatetime; - lease_updatetime = nfs_lease_updatetime; nfs_prev_nfssvc_sy_narg = sysent[SYS_nfssvc].sy_narg; sysent[SYS_nfssvc].sy_narg = 2; nfs_prev_nfssvc_sy_call = sysent[SYS_nfssvc].sy_call; sysent[SYS_nfssvc].sy_call = (sy_call_t *)nfssvc; - nfs_pbuf_freecnt = nswbuf / 2 + 1; - return (0); } +SYSINIT(nfs, SI_SUB_VFS, SI_ORDER_ANY, nfs_init, NULL); -int -nfs_uninit(vfsp) - struct vfsconf *vfsp; +static int +nfs_uninit(void *dummy __unused) { - untimeout(nfs_timer, (void *)NULL, nfs_timer_handle); - nfs_mount_type = -1; -#ifndef NFS_NOSERVER - default_vnodeop_p[VOFFSET(vop_lease)] = nfs_prev_vop_lease_check; -#endif - lease_updatetime = nfs_prev_lease_updatetime; + untimeout(nfsrv_timer, (void *)NULL, nfsrv_timer_handle); sysent[SYS_nfssvc].sy_narg = nfs_prev_nfssvc_sy_narg; sysent[SYS_nfssvc].sy_call = nfs_prev_nfssvc_sy_call; return (0); } +SYSUNINIT(nfs, SI_SUB_VFS, SI_ORDER_ANY, nfs_uninit, NULL); /* - * Attribute cache routines. - * nfs_loadattrcache() - loads or updates the cache contents from attributes - * that are on the mbuf list - * nfs_getattrcache() - returns valid attributes if found in cache, returns - * error otherwise - */ - -/* - * Load the attribute cache (that lives in the nfsnode entry) with - * the values on the mbuf list and - * Iff vap not NULL - * copy the attributes to *vaper - */ -int -nfs_loadattrcache(vpp, mdp, dposp, vaper, dontshrink) - struct vnode **vpp; - struct mbuf **mdp; - caddr_t *dposp; - struct vattr *vaper; - int dontshrink; -{ - register struct vnode *vp = *vpp; - register struct vattr *vap; - register struct nfs_fattr *fp; - register struct nfsnode *np; - register int32_t t1; - caddr_t cp2; - int error = 0, rdev; - struct mbuf *md; - enum vtype vtyp; - u_short vmode; - struct timespec mtime; - int v3 = NFS_ISV3(vp); - - md = *mdp; - t1 = (mtod(md, caddr_t) + md->m_len) - *dposp; - if ((error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3), t1, &cp2)) != 0) - return (error); - fp = (struct nfs_fattr *)cp2; - if (v3) { - vtyp = nfsv3tov_type(fp->fa_type); - vmode = fxdr_unsigned(u_short, fp->fa_mode); - rdev = makeudev(fxdr_unsigned(int, fp->fa3_rdev.specdata1), - fxdr_unsigned(int, fp->fa3_rdev.specdata2)); - fxdr_nfsv3time(&fp->fa3_mtime, &mtime); - } else { - vtyp = nfsv2tov_type(fp->fa_type); - vmode = fxdr_unsigned(u_short, fp->fa_mode); - /* - * XXX - * - * The duplicate information returned in fa_type and fa_mode - * is an ambiguity in the NFS version 2 protocol. - * - * VREG should be taken literally as a regular file. If a - * server intents to return some type information differently - * in the upper bits of the mode field (e.g. for sockets, or - * FIFOs), NFSv2 mandates fa_type to be VNON. Anyway, we - * leave the examination of the mode bits even in the VREG - * case to avoid breakage for bogus servers, but we make sure - * that there are actually type bits set in the upper part of - * fa_mode (and failing that, trust the va_type field). - * - * NFSv3 cleared the issue, and requires fa_mode to not - * contain any type information (while also introduing sockets - * and FIFOs for fa_type). - */ - if (vtyp == VNON || (vtyp == VREG && (vmode & S_IFMT) != 0)) - vtyp = IFTOVT(vmode); - rdev = fxdr_unsigned(int32_t, fp->fa2_rdev); - fxdr_nfsv2time(&fp->fa2_mtime, &mtime); - - /* - * Really ugly NFSv2 kludge. - */ - if (vtyp == VCHR && rdev == 0xffffffff) - vtyp = VFIFO; - } - - /* - * If v_type == VNON it is a new node, so fill in the v_type, - * n_mtime fields. Check to see if it represents a special - * device, and if so, check for a possible alias. Once the - * correct vnode has been obtained, fill in the rest of the - * information. - */ - np = VTONFS(vp); - if (vp->v_type != vtyp) { - vp->v_type = vtyp; - if (vp->v_type == VFIFO) { - vp->v_op = fifo_nfsv2nodeop_p; - } - if (vp->v_type == VCHR || vp->v_type == VBLK) { - vp->v_op = spec_nfsv2nodeop_p; - vp = addaliasu(vp, rdev); - np->n_vnode = vp; - } - np->n_mtime = mtime.tv_sec; - } - vap = &np->n_vattr; - vap->va_type = vtyp; - vap->va_mode = (vmode & 07777); - vap->va_rdev = rdev; - vap->va_mtime = mtime; - vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0]; - if (v3) { - vap->va_nlink = fxdr_unsigned(u_short, fp->fa_nlink); - vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid); - vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid); - vap->va_size = fxdr_hyper(&fp->fa3_size); - vap->va_blocksize = NFS_FABLKSIZE; - vap->va_bytes = fxdr_hyper(&fp->fa3_used); - vap->va_fileid = fxdr_unsigned(int32_t, - fp->fa3_fileid.nfsuquad[1]); - fxdr_nfsv3time(&fp->fa3_atime, &vap->va_atime); - fxdr_nfsv3time(&fp->fa3_ctime, &vap->va_ctime); - vap->va_flags = 0; - vap->va_filerev = 0; - } else { - vap->va_nlink = fxdr_unsigned(u_short, fp->fa_nlink); - vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid); - vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid); - vap->va_size = fxdr_unsigned(u_int32_t, fp->fa2_size); - vap->va_blocksize = fxdr_unsigned(int32_t, fp->fa2_blocksize); - vap->va_bytes = (u_quad_t)fxdr_unsigned(int32_t, fp->fa2_blocks) - * NFS_FABLKSIZE; - vap->va_fileid = fxdr_unsigned(int32_t, fp->fa2_fileid); - fxdr_nfsv2time(&fp->fa2_atime, &vap->va_atime); - vap->va_flags = 0; - vap->va_ctime.tv_sec = fxdr_unsigned(u_int32_t, - fp->fa2_ctime.nfsv2_sec); - vap->va_ctime.tv_nsec = 0; - vap->va_gen = fxdr_unsigned(u_int32_t,fp->fa2_ctime.nfsv2_usec); - vap->va_filerev = 0; - } - np->n_attrstamp = time_second; - if (vap->va_size != np->n_size) { - if (vap->va_type == VREG) { - if (dontshrink && vap->va_size < np->n_size) { - /* - * We've been told not to shrink the file; - * zero np->n_attrstamp to indicate that - * the attributes are stale. - */ - vap->va_size = np->n_size; - np->n_attrstamp = 0; - } else if (np->n_flag & NMODIFIED) { - if (vap->va_size < np->n_size) - vap->va_size = np->n_size; - else - np->n_size = vap->va_size; - } else { - np->n_size = vap->va_size; - } - vnode_pager_setsize(vp, np->n_size); - } else { - np->n_size = vap->va_size; - } - } - if (vaper != NULL) { - bcopy((caddr_t)vap, (caddr_t)vaper, sizeof(*vap)); - if (np->n_flag & NCHG) { - if (np->n_flag & NACC) - vaper->va_atime = np->n_atim; - if (np->n_flag & NUPD) - vaper->va_mtime = np->n_mtim; - } - } - return (0); -} - -#ifdef NFS_ACDEBUG -#include <sys/sysctl.h> -SYSCTL_DECL(_vfs_nfs); -static int nfs_acdebug; -SYSCTL_INT(_vfs_nfs, OID_AUTO, acdebug, CTLFLAG_RW, &nfs_acdebug, 0, ""); -#endif - -/* - * Check the time stamp - * If the cache is valid, copy contents to *vap and return 0 - * otherwise return an error - */ -int -nfs_getattrcache(vp, vaper) - register struct vnode *vp; - struct vattr *vaper; -{ - register struct nfsnode *np; - register struct vattr *vap; - struct nfsmount *nmp; - int timeo; - - np = VTONFS(vp); - vap = &np->n_vattr; - nmp = VFSTONFS(vp->v_mount); - /* XXX n_mtime doesn't seem to be updated on a miss-and-reload */ - timeo = (time_second - np->n_mtime) / 10; - -#ifdef NFS_ACDEBUG - if (nfs_acdebug>1) - printf("nfs_getattrcache: initial timeo = %d\n", timeo); -#endif - - if (vap->va_type == VDIR) { - if ((np->n_flag & NMODIFIED) || timeo < nmp->nm_acdirmin) - timeo = nmp->nm_acdirmin; - else if (timeo > nmp->nm_acdirmax) - timeo = nmp->nm_acdirmax; - } else { - if ((np->n_flag & NMODIFIED) || timeo < nmp->nm_acregmin) - timeo = nmp->nm_acregmin; - else if (timeo > nmp->nm_acregmax) - timeo = nmp->nm_acregmax; - } - -#ifdef NFS_ACDEBUG - if (nfs_acdebug > 2) - printf("acregmin %d; acregmax %d; acdirmin %d; acdirmax %d\n", - nmp->nm_acregmin, nmp->nm_acregmax, - nmp->nm_acdirmin, nmp->nm_acdirmax); - - if (nfs_acdebug) - printf("nfs_getattrcache: age = %d; final timeo = %d\n", - (time_second - np->n_attrstamp), timeo); -#endif - - if ((time_second - np->n_attrstamp) >= timeo) { - nfsstats.attrcache_misses++; - return (ENOENT); - } - nfsstats.attrcache_hits++; - if (vap->va_size != np->n_size) { - if (vap->va_type == VREG) { - if (np->n_flag & NMODIFIED) { - if (vap->va_size < np->n_size) - vap->va_size = np->n_size; - else - np->n_size = vap->va_size; - } else { - np->n_size = vap->va_size; - } - vnode_pager_setsize(vp, np->n_size); - } else { - np->n_size = vap->va_size; - } - } - bcopy((caddr_t)vap, (caddr_t)vaper, sizeof(struct vattr)); - if (np->n_flag & NCHG) { - if (np->n_flag & NACC) - vaper->va_atime = np->n_atim; - if (np->n_flag & NUPD) - vaper->va_mtime = np->n_mtim; - } - return (0); -} - -#ifndef NFS_NOSERVER -/* * Set up nameidata for a lookup() call and do it. * * If pubflag is set, this call is done for a lookup operation on the @@ -1460,25 +578,17 @@ nfs_getattrcache(vp, vaper) * This is mainly ni_vp and ni_dvp when an error occurs, and ni_dvp when no * error occurs but the parent was not requested. * - * dirp may be set whether an error is returned or not, and must be + * dirp may be set whether an error is returned or not, and must be * released by the caller. */ int -nfs_namei(ndp, fhp, len, slp, nam, mdp, dposp, retdirp, td, kerbflag, pubflag) - register struct nameidata *ndp; - fhandle_t *fhp; - int len; - struct nfssvc_sock *slp; - struct sockaddr *nam; - struct mbuf **mdp; - caddr_t *dposp; - struct vnode **retdirp; - struct thread *td; - int kerbflag, pubflag; +nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len, + struct nfssvc_sock *slp, struct sockaddr *nam, struct mbuf **mdp, + caddr_t *dposp, struct vnode **retdirp, struct thread *td, int pubflag) { - register int i, rem; - register struct mbuf *md; - register char *fromcp, *tocp, *cp; + int i, rem; + struct mbuf *md; + char *fromcp, *tocp, *cp; struct iovec aiov; struct uio auio; struct vnode *dp; @@ -1528,7 +638,7 @@ nfs_namei(ndp, fhp, len, slp, nam, mdp, dposp, retdirp, td, kerbflag, pubflag) * Extract and set starting directory. */ error = nfsrv_fhtovp(fhp, FALSE, &dp, ndp->ni_cnd.cn_cred, slp, - nam, &rdonly, kerbflag, pubflag); + nam, &rdonly, pubflag); if (error) goto out; if (dp->v_type != VDIR) { @@ -1541,7 +651,7 @@ nfs_namei(ndp, fhp, len, slp, nam, mdp, dposp, retdirp, td, kerbflag, pubflag) cnp->cn_flags |= RDONLY; /* - * Set return directory. Reference to dp is implicitly transfered + * Set return directory. Reference to dp is implicitly transfered * to the returned pointer */ *retdirp = dp; @@ -1631,7 +741,7 @@ nfs_namei(ndp, fhp, len, slp, nam, mdp, dposp, retdirp, td, kerbflag, pubflag) break; /* - * Check for encountering a symbolic link. Trivial + * Check for encountering a symbolic link. Trivial * termination occurs if no symlink encountered. * Note: zfree is safe because error is 0, so we will * not zfree it again when we break. @@ -1704,8 +814,8 @@ nfs_namei(ndp, fhp, len, slp, nam, mdp, dposp, retdirp, td, kerbflag, pubflag) ndp->ni_pathlen += linklen; /* - * Cleanup refs for next loop and check if root directory - * should replace current directory. Normally ni_dvp + * Cleanup refs for next loop and check if root directory + * should replace current directory. Normally ni_dvp * becomes the new base directory and is cleaned up when * we loop. Explicitly null pointers after invalidation * to clarify operation. @@ -1745,14 +855,11 @@ out: * boundary and only trims off the back end */ void -nfsm_adj(mp, len, nul) - struct mbuf *mp; - register int len; - int nul; +nfsm_adj(struct mbuf *mp, int len, int nul) { - register struct mbuf *m; - register int count, i; - register char *cp; + struct mbuf *m; + int count, i; + char *cp; /* * Trim from tail. Scan the mbuf chain, @@ -1807,18 +914,13 @@ nfsm_adj(mp, len, nul) * doesn't get too big... */ void -nfsm_srvwcc(nfsd, before_ret, before_vap, after_ret, after_vap, mbp, bposp) - struct nfsrv_descript *nfsd; - int before_ret; - register struct vattr *before_vap; - int after_ret; - struct vattr *after_vap; - struct mbuf **mbp; - char **bposp; +nfsm_srvwcc(struct nfsrv_descript *nfsd, int before_ret, + struct vattr *before_vap, int after_ret, struct vattr *after_vap, + struct mbuf **mbp, char **bposp) { - register struct mbuf *mb = *mbp, *mb2; - register char *bpos = *bposp; - register u_int32_t *tl; + struct mbuf *mb = *mbp; + char *bpos = *bposp; + u_int32_t *tl; if (before_ret) { nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); @@ -1838,17 +940,13 @@ nfsm_srvwcc(nfsd, before_ret, before_vap, after_ret, after_vap, mbp, bposp) } void -nfsm_srvpostopattr(nfsd, after_ret, after_vap, mbp, bposp) - struct nfsrv_descript *nfsd; - int after_ret; - struct vattr *after_vap; - struct mbuf **mbp; - char **bposp; +nfsm_srvpostopattr(struct nfsrv_descript *nfsd, int after_ret, + struct vattr *after_vap, struct mbuf **mbp, char **bposp) { - register struct mbuf *mb = *mbp, *mb2; - register char *bpos = *bposp; - register u_int32_t *tl; - register struct nfs_fattr *fp; + struct mbuf *mb = *mbp; + char *bpos = *bposp; + u_int32_t *tl; + struct nfs_fattr *fp; if (after_ret) { nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); @@ -1864,10 +962,8 @@ nfsm_srvpostopattr(nfsd, after_ret, after_vap, mbp, bposp) } void -nfsm_srvfattr(nfsd, vap, fp) - register struct nfsrv_descript *nfsd; - register struct vattr *vap; - register struct nfs_fattr *fp; +nfsm_srvfattr(struct nfsrv_descript *nfsd, struct vattr *vap, + struct nfs_fattr *fp) { fp->fa_nlink = txdr_unsigned(vap->va_nlink); @@ -1913,20 +1009,13 @@ nfsm_srvfattr(nfsd, vap, fp) * - if not lockflag unlock it with VOP_UNLOCK() */ int -nfsrv_fhtovp(fhp, lockflag, vpp, cred, slp, nam, rdonlyp, kerbflag, pubflag) - fhandle_t *fhp; - int lockflag; - struct vnode **vpp; - struct ucred *cred; - struct nfssvc_sock *slp; - struct sockaddr *nam; - int *rdonlyp; - int kerbflag; - int pubflag; +nfsrv_fhtovp(fhandle_t *fhp, int lockflag, struct vnode **vpp, + struct ucred *cred, struct nfssvc_sock *slp, struct sockaddr *nam, + int *rdonlyp, int pubflag) { struct thread *td = curthread; /* XXX */ - register struct mount *mp; - register int i; + struct mount *mp; + int i; struct ucred *credanon; int error, exflags; #ifdef MNT_EXNORESPORT /* XXX needs mountd and /etc/exports help yet */ @@ -1946,7 +1035,7 @@ nfsrv_fhtovp(fhp, lockflag, vpp, cred, slp, nam, rdonlyp, kerbflag, pubflag) return (ESTALE); error = VFS_CHECKEXP(mp, nam, &exflags, &credanon); if (error) - return (error); + return (error); error = VFS_FHTOVP(mp, &fhp->fh_fid, vpp); if (error) return (error); @@ -1964,17 +1053,7 @@ nfsrv_fhtovp(fhp, lockflag, vpp, cred, slp, nam, rdonlyp, kerbflag, pubflag) /* * Check/setup credentials. */ - if (exflags & MNT_EXKERB) { - if (!kerbflag) { - vput(*vpp); - *vpp = NULL; - return (NFSERR_AUTHERR | AUTH_TOOWEAK); - } - } else if (kerbflag) { - vput(*vpp); - *vpp = NULL; - return (NFSERR_AUTHERR | AUTH_TOOWEAK); - } else if (cred->cr_uid == 0 || (exflags & MNT_EXPORTANON)) { + if (cred->cr_uid == 0 || (exflags & MNT_EXPORTANON)) { cred->cr_uid = credanon->cr_uid; for (i = 0; i < credanon->cr_ngroups && i < NGROUPS; i++) cred->cr_groups[i] = credanon->cr_groups[i]; @@ -1999,8 +1078,7 @@ nfsrv_fhtovp(fhp, lockflag, vpp, cred, slp, nam, rdonlyp, kerbflag, pubflag) * transformed this to all zeroes in both cases, so check for it. */ int -nfs_ispublicfh(fhp) - fhandle_t *fhp; +nfs_ispublicfh(fhandle_t *fhp) { char *cp = (char *)fhp; int i; @@ -2010,8 +1088,7 @@ nfs_ispublicfh(fhp) return (FALSE); return (TRUE); } - -#endif /* NFS_NOSERVER */ + /* * This function compares two net addresses by family and returns TRUE * if they are the same host. @@ -2020,12 +1097,9 @@ nfs_ispublicfh(fhp) * don't need to be saved to store "struct in_addr", which is only 4 bytes. */ int -netaddr_match(family, haddr, nam) - int family; - union nethostaddr *haddr; - struct sockaddr *nam; +netaddr_match(int family, union nethostaddr *haddr, struct sockaddr *nam) { - register struct sockaddr_in *inetaddr; + struct sockaddr_in *inetaddr; switch (family) { case AF_INET: @@ -2040,136 +1114,14 @@ netaddr_match(family, haddr, nam) return (0); } -static nfsuint64 nfs_nullcookie = { { 0, 0 } }; -/* - * This function finds the directory cookie that corresponds to the - * logical byte offset given. - */ -nfsuint64 * -nfs_getcookie(np, off, add) - register struct nfsnode *np; - off_t off; - int add; -{ - register struct nfsdmap *dp, *dp2; - register int pos; - - pos = (uoff_t)off / NFS_DIRBLKSIZ; - if (pos == 0 || off < 0) { -#ifdef DIAGNOSTIC - if (add) - panic("nfs getcookie add at <= 0"); -#endif - return (&nfs_nullcookie); - } - pos--; - dp = np->n_cookies.lh_first; - if (!dp) { - if (add) { - MALLOC(dp, struct nfsdmap *, sizeof (struct nfsdmap), - M_NFSDIROFF, M_WAITOK); - dp->ndm_eocookie = 0; - LIST_INSERT_HEAD(&np->n_cookies, dp, ndm_list); - } else - return ((nfsuint64 *)0); - } - while (pos >= NFSNUMCOOKIES) { - pos -= NFSNUMCOOKIES; - if (dp->ndm_list.le_next) { - if (!add && dp->ndm_eocookie < NFSNUMCOOKIES && - pos >= dp->ndm_eocookie) - return ((nfsuint64 *)0); - dp = dp->ndm_list.le_next; - } else if (add) { - MALLOC(dp2, struct nfsdmap *, sizeof (struct nfsdmap), - M_NFSDIROFF, M_WAITOK); - dp2->ndm_eocookie = 0; - LIST_INSERT_AFTER(dp, dp2, ndm_list); - dp = dp2; - } else - return ((nfsuint64 *)0); - } - if (pos >= dp->ndm_eocookie) { - if (add) - dp->ndm_eocookie = pos + 1; - else - return ((nfsuint64 *)0); - } - return (&dp->ndm_cookies[pos]); -} - -/* - * Invalidate cached directory information, except for the actual directory - * blocks (which are invalidated separately). - * Done mainly to avoid the use of stale offset cookies. - */ -void -nfs_invaldir(vp) - register struct vnode *vp; -{ - register struct nfsnode *np = VTONFS(vp); - -#ifdef DIAGNOSTIC - if (vp->v_type != VDIR) - panic("nfs: invaldir not dir"); -#endif - np->n_direofoffset = 0; - np->n_cookieverf.nfsuquad[0] = 0; - np->n_cookieverf.nfsuquad[1] = 0; - if (np->n_cookies.lh_first) - np->n_cookies.lh_first->ndm_eocookie = 0; -} - -/* - * The write verifier has changed (probably due to a server reboot), so all - * B_NEEDCOMMIT blocks will have to be written again. Since they are on the - * dirty block list as B_DELWRI, all this takes is clearing the B_NEEDCOMMIT - * and B_CLUSTEROK flags. Once done the new write verifier can be set for the - * mount point. - * - * B_CLUSTEROK must be cleared along with B_NEEDCOMMIT because stage 1 data - * writes are not clusterable. - */ -void -nfs_clearcommit(mp) - struct mount *mp; -{ - register struct vnode *vp, *nvp; - register struct buf *bp, *nbp; - int s; - - GIANT_REQUIRED; - - s = splbio(); - mtx_lock(&mntvnode_mtx); -loop: - for (vp = LIST_FIRST(&mp->mnt_vnodelist); vp; vp = nvp) { - if (vp->v_mount != mp) /* Paranoia */ - goto loop; - nvp = LIST_NEXT(vp, v_mntvnodes); - for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { - nbp = TAILQ_NEXT(bp, b_vnbufs); - if (BUF_REFCNT(bp) == 0 && - (bp->b_flags & (B_DELWRI | B_NEEDCOMMIT)) - == (B_DELWRI | B_NEEDCOMMIT)) - bp->b_flags &= ~(B_NEEDCOMMIT | B_CLUSTEROK); - } - } - mtx_unlock(&mntvnode_mtx); - splx(s); -} - -#ifndef NFS_NOSERVER /* * Map errnos to NFS error numbers. For Version 3 also filter out error * numbers not specified for the associated procedure. */ int -nfsrv_errmap(nd, err) - struct nfsrv_descript *nd; - register int err; +nfsrv_errmap(struct nfsrv_descript *nd, int err) { - register short *defaulterrp, *errp; + short *defaulterrp, *errp; if (nd->nd_flag & ND_NFSV3) { if (nd->nd_procnum <= NFSPROC_COMMIT) { @@ -2190,8 +1142,7 @@ nfsrv_errmap(nd, err) } int -nfsrv_object_create(vp) - struct vnode *vp; +nfsrv_object_create(struct vnode *vp) { if (vp == NULL || vp->v_type != VREG) @@ -2206,11 +1157,9 @@ nfsrv_object_create(vp) * that used to be here.) */ void -nfsrvw_sort(list, num) - register gid_t *list; - register int num; +nfsrvw_sort(gid_t *list, int num) { - register int i, j; + int i, j; gid_t v; /* Insertion sort. */ @@ -2227,10 +1176,9 @@ nfsrvw_sort(list, num) * copy credentials making sure that the result can be compared with bcmp(). */ void -nfsrv_setcred(incred, outcred) - register struct ucred *incred, *outcred; +nfsrv_setcred(struct ucred *incred, struct ucred *outcred) { - register int i; + int i; bzero((caddr_t)outcred, sizeof (struct ucred)); outcred->cr_ref = 1; @@ -2240,4 +1188,207 @@ nfsrv_setcred(incred, outcred) outcred->cr_groups[i] = incred->cr_groups[i]; nfsrvw_sort(outcred->cr_groups, outcred->cr_ngroups); } -#endif /* NFS_NOSERVER */ + +/* + * Helper functions for macros. + */ + +void +nfsm_srvfhtom_xx(fhandle_t *f, int v3, + u_int32_t **tl, struct mbuf **mb, caddr_t *bpos) +{ + u_int32_t *cp; + + if (v3) { + nfsm_build_xx((void **)tl, NFSX_UNSIGNED + NFSX_V3FH, mb, + bpos); + *(*tl)++ = txdr_unsigned(NFSX_V3FH); + bcopy(f, (*tl), NFSX_V3FH); + } else { + nfsm_build_xx((void **)&cp, NFSX_V2FH, mb, bpos); + bcopy(f, cp, NFSX_V2FH); + } +} + +void +nfsm_srvpostop_fh_xx(fhandle_t *f, + u_int32_t **tl, struct mbuf **mb, caddr_t *bpos) +{ + nfsm_build_xx((void **)tl, 2 * NFSX_UNSIGNED + NFSX_V3FH, mb, bpos); + *(*tl)++ = nfs_true; + *(*tl)++ = txdr_unsigned(NFSX_V3FH); + bcopy(f, (*tl), NFSX_V3FH); +} + +int +nfsm_srvstrsiz_xx(int *s, int m, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos) +{ + int ret; + + ret = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (ret) + return ret; + *s = fxdr_unsigned(int32_t, **tl); + if (*s > m || *s <= 0) + return EBADRPC; + return 0; +} + +int +nfsm_srvnamesiz_xx(int *s, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos) +{ + int ret; + + ret = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (ret) + return ret; + *s = fxdr_unsigned(int32_t, **tl); + if (*s > NFS_MAXNAMLEN) + return NFSERR_NAMETOL; + if (*s <= 0) + return EBADRPC; + return 0; +} + +void +nfsm_clget_xx(u_int32_t **tl, struct mbuf *mb, struct mbuf **mp, + char **bp, char **be, caddr_t bpos) +{ + struct mbuf *nmp; + + if (*bp >= *be) { + if (*mp == mb) + (*mp)->m_len += *bp - bpos; + MGET(nmp, M_TRYWAIT, MT_DATA); + MCLGET(nmp, M_TRYWAIT); + nmp->m_len = NFSMSIZ(nmp); + (*mp)->m_next = nmp; + *mp = nmp; + *bp = mtod(*mp, caddr_t); + *be = *bp + (*mp)->m_len; + } + *tl = (u_int32_t *)*bp; +} + +int +nfsm_srvmtofh_xx(fhandle_t *f, struct nfsrv_descript *nfsd, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos) +{ + int error; + int fhlen; + + if (nfsd->nd_flag & ND_NFSV3) { + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + return error; + fhlen = fxdr_unsigned(int, **tl); + if (fhlen != 0 && fhlen != NFSX_V3FH) + return EBADRPC; + } else { + fhlen = NFSX_V2FH; + } + if (fhlen != 0) { + error = nfsm_dissect_xx((void **)tl, fhlen, md, dpos); + if (error) + return error; + bcopy((caddr_t)*tl, (caddr_t)(f), fhlen); + } else { + bzero((caddr_t)(f), NFSX_V3FH); + } + return 0; +} + +int +nfsm_srvsattr_xx(struct vattr *a, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos) +{ + int error = 0; + + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + if (**tl == nfs_true) { + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + (a)->va_mode = nfstov_mode(**tl); + } + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + if (**tl == nfs_true) { + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + (a)->va_uid = fxdr_unsigned(uid_t, **tl); + } + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + if (**tl == nfs_true) { + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + (a)->va_gid = fxdr_unsigned(gid_t, **tl); + } + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + if (**tl == nfs_true) { + error = nfsm_dissect_xx((void **)tl, 2 * NFSX_UNSIGNED, + md, dpos); + if (error) + goto bugout; + (a)->va_size = fxdr_hyper(*tl); + } + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + switch (fxdr_unsigned(int, **tl)) { + case NFSV3SATTRTIME_TOCLIENT: + error = nfsm_dissect_xx((void **)tl, 2 * NFSX_UNSIGNED, + md, dpos); + if (error) + goto bugout; + fxdr_nfsv3time(*tl, &(a)->va_atime); + break; + case NFSV3SATTRTIME_TOSERVER: + getnanotime(&(a)->va_atime); + break; + } + error = nfsm_dissect_xx((void **)tl, NFSX_UNSIGNED, md, dpos); + if (error) + goto bugout; + switch (fxdr_unsigned(int, **tl)) { + case NFSV3SATTRTIME_TOCLIENT: + error = nfsm_dissect_xx((void **)tl, 2 * NFSX_UNSIGNED, + md, dpos); + if (error) + goto bugout; + fxdr_nfsv3time(*tl, &(a)->va_mtime); + break; + case NFSV3SATTRTIME_TOSERVER: + getnanotime(&(a)->va_mtime); + break; + } + return 0; + +bugout: + return error; +} + +void +nfs_rephead_xx(int s, struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, + int error, struct mbuf **mrq, struct mbuf **mb, + struct mbuf **mreq, struct mbuf **mrep, caddr_t *bpos) +{ + + nfs_rephead(s, nfsd, slp, error, mrq, mb, bpos); + if (*mrep != NULL) { + m_freem(*mrep); + *mrep = NULL; + } + *mreq = *mrq; +} diff --git a/sys/nfsserver/nfs_syscalls.c b/sys/nfsserver/nfs_syscalls.c index 657f299..be8fc69 100644 --- a/sys/nfsserver/nfs_syscalls.c +++ b/sys/nfsserver/nfs_syscalls.c @@ -37,6 +37,9 @@ * $FreeBSD$ */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + #include <sys/param.h> #include <sys/systm.h> #include <sys/sysproto.h> @@ -64,66 +67,45 @@ #include <nfs/xdr_subs.h> #include <nfs/rpcv2.h> #include <nfs/nfsproto.h> -#include <nfs/nfs.h> -#include <nfs/nfsm_subs.h> -#include <nfs/nfsrvcache.h> -#include <nfs/nfsmount.h> -#include <nfs/nfsnode.h> -#include <nfs/nqnfs.h> -#include <nfs/nfsrtt.h> -#include <nfs/nfs_lock.h> +#include <nfsserver/nfs.h> +#include <nfsserver/nfsm_subs.h> +#include <nfsserver/nfsrvcache.h> static MALLOC_DEFINE(M_NFSSVC, "NFS srvsock", "Nfs server structure"); -/* Global defs. */ -extern int32_t (*nfsrv3_procs[NFS_NPROCS]) __P((struct nfsrv_descript *nd, - struct nfssvc_sock *slp, - struct thread *td, - struct mbuf **mreqp)); -extern int nfs_numasync; -extern time_t nqnfsstarttime; -extern int nqsrv_writeslack; -extern int nfsrtton; -extern struct nfsstats nfsstats; -extern int nfsrvw_procrastinate; -extern int nfsrvw_procrastinate_v3; -static int nuidhash_max = NFS_MAXUIDHASH; +MALLOC_DEFINE(M_NFSRVDESC, "NFSV3 srvdesc", "NFS server socket descriptor"); +MALLOC_DEFINE(M_NFSD, "NFS daemon", "Nfs server daemon structure"); -#ifndef NFS_NOSERVER -static void nfsrv_zapsock __P((struct nfssvc_sock *slp)); -#endif -static int nfssvc_iod __P((struct thread *)); + +/* Global defs. */ +struct nfsrvstats nfsrvstats; #define TRUE 1 #define FALSE 0 -static int nfs_asyncdaemon[NFS_MAXASYNCDAEMON]; +SYSCTL_DECL(_vfs_nfsrv); -SYSCTL_DECL(_vfs_nfs); +int nfsd_waiting = 0; +static int nfs_numnfsd = 0; +static int notstarted = 1; -#ifndef NFS_NOSERVER -int nfsd_waiting = 0; -static struct nfsdrt nfsdrt; -static int nfs_numnfsd = 0; -static int notstarted = 1; -static int modify_flag = 0; -static void nfsd_rt __P((int sotype, struct nfsrv_descript *nd, - int cacherep)); -static int nfssvc_addsock __P((struct file *, struct sockaddr *, - struct thread *)); -static int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t, - struct thread *)); +static int nfs_privport = 0; +SYSCTL_INT(_vfs_nfsrv, NFS_NFSPRIVPORT, nfs_privport, CTLFLAG_RW, + &nfs_privport, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, gatherdelay, CTLFLAG_RW, + &nfsrvw_procrastinate, 0, ""); +SYSCTL_INT(_vfs_nfsrv, OID_AUTO, gatherdelay_v3, CTLFLAG_RW, + &nfsrvw_procrastinate_v3, 0, ""); -static int nfs_privport = 0; -SYSCTL_INT(_vfs_nfs, NFS_NFSPRIVPORT, nfs_privport, CTLFLAG_RW, &nfs_privport, 0, ""); -SYSCTL_INT(_vfs_nfs, OID_AUTO, gatherdelay, CTLFLAG_RW, &nfsrvw_procrastinate, 0, ""); -SYSCTL_INT(_vfs_nfs, OID_AUTO, gatherdelay_v3, CTLFLAG_RW, &nfsrvw_procrastinate_v3, 0, ""); +static int nfssvc_addsock(struct file *, struct sockaddr *, + struct thread *); +static void nfsrv_zapsock(struct nfssvc_sock *slp); +static int nfssvc_nfsd(struct nfsd_srvargs *, caddr_t, struct thread *); /* * NFS server system calls */ -#endif /* NFS_NOSERVER */ /* * Nfs server psuedo system call for the nfsd's * Based on the flag value it either: @@ -141,37 +123,15 @@ struct nfssvc_args { * MPSAFE */ int -nfssvc(td, uap) - struct thread *td; - register struct nfssvc_args *uap; +nfssvc(struct thread *td, struct nfssvc_args *uap) { -#ifndef NFS_NOSERVER - struct nameidata nd; struct file *fp; struct sockaddr *nam; struct nfsd_args nfsdarg; struct nfsd_srvargs nfsd_srvargs, *nsd = &nfsd_srvargs; - struct nfsd_cargs ncd; - struct nfsd *nfsd; - struct nfssvc_sock *slp; - struct nfsuid *nuidp; - struct nfsmount *nmp; -#endif /* NFS_NOSERVER */ int error; mtx_lock(&Giant); - - if ((uap->flag & NFSSVC_LOCKDANS) != 0) { - struct lockd_ans la; - - error = copyin(uap->argp, &la, sizeof(la)); - if (error == 0) - error = nfslockdans(td->td_proc, &la); - goto done2; - } - /* - * Must be super user - */ error = suser_td(td); if (error) goto done2; @@ -179,37 +139,7 @@ nfssvc(td, uap) nfssvc_sockhead_flag |= SLP_WANTINIT; (void) tsleep((caddr_t)&nfssvc_sockhead, PSOCK, "nfsd init", 0); } - if (uap->flag & NFSSVC_BIOD) - error = nfssvc_iod(td); -#ifdef NFS_NOSERVER - else - error = ENXIO; -#else /* !NFS_NOSERVER */ - else if (uap->flag & NFSSVC_MNTD) { - error = copyin(uap->argp, (caddr_t)&ncd, sizeof (ncd)); - if (error) - goto done2; - NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, - ncd.ncd_dirp, td); - error = namei(&nd); - if (error) - goto done2; - NDFREE(&nd, NDF_ONLY_PNBUF); - if ((nd.ni_vp->v_flag & VROOT) == 0) - error = EINVAL; - nmp = VFSTONFS(nd.ni_vp->v_mount); - vput(nd.ni_vp); - if (error) - goto done2; - if ((nmp->nm_state & NFSSTA_MNTD) && - (uap->flag & NFSSVC_GOTAUTH) == 0) { - error = 0; - goto done2; - } - nmp->nm_state |= NFSSTA_MNTD; - error = nqnfs_clientd(nmp, td->td_proc->p_ucred, &ncd, uap->flag, - uap->argp, td); - } else if (uap->flag & NFSSVC_ADDSOCK) { + if (uap->flag & NFSSVC_ADDSOCK) { error = copyin(uap->argp, (caddr_t)&nfsdarg, sizeof(nfsdarg)); if (error) goto done2; @@ -231,106 +161,14 @@ nfssvc(td, uap) } error = nfssvc_addsock(fp, nam, td); fdrop(fp, td); - } else { + } else if (uap->flag & NFSSVC_NFSD) { error = copyin(uap->argp, (caddr_t)nsd, sizeof (*nsd)); if (error) - goto done2; - if ((uap->flag & NFSSVC_AUTHIN) && - ((nfsd = nsd->nsd_nfsd)) != NULL && - (nfsd->nfsd_slp->ns_flag & SLP_VALID)) { - slp = nfsd->nfsd_slp; - - /* - * First check to see if another nfsd has already - * added this credential. - */ - for (nuidp = NUIDHASH(slp,nsd->nsd_cr.cr_uid)->lh_first; - nuidp != 0; nuidp = nuidp->nu_hash.le_next) { - if (nuidp->nu_cr.cr_uid == nsd->nsd_cr.cr_uid && - (!nfsd->nfsd_nd->nd_nam2 || - netaddr_match(NU_NETFAM(nuidp), - &nuidp->nu_haddr, nfsd->nfsd_nd->nd_nam2))) - break; - } - if (nuidp) { - nfsrv_setcred(&nuidp->nu_cr,&nfsd->nfsd_nd->nd_cr); - nfsd->nfsd_nd->nd_flag |= ND_KERBFULL; - } else { - /* - * Nope, so we will. - */ - if (slp->ns_numuids < nuidhash_max) { - slp->ns_numuids++; - nuidp = (struct nfsuid *) - malloc(sizeof (struct nfsuid), M_NFSUID, - M_WAITOK); - } else - nuidp = (struct nfsuid *)0; - if ((slp->ns_flag & SLP_VALID) == 0) { - if (nuidp) - free((caddr_t)nuidp, M_NFSUID); - } else { - if (nuidp == (struct nfsuid *)0) { - nuidp = slp->ns_uidlruhead.tqh_first; - LIST_REMOVE(nuidp, nu_hash); - TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp, - nu_lru); - if (nuidp->nu_flag & NU_NAM) - FREE(nuidp->nu_nam, M_SONAME); - } - nuidp->nu_flag = 0; - bzero(&nuidp->nu_cr, sizeof(nuidp->nu_cr)); - nuidp->nu_cr.cr_uid = nsd->nsd_cr.cr_uid; - nuidp->nu_cr.cr_ngroups = - nsd->nsd_cr.cr_ngroups; - bcopy(nsd->nsd_cr.cr_groups, - nuidp->nu_cr.cr_groups, - sizeof(nuidp->nu_cr.cr_groups)); - if (nuidp->nu_cr.cr_ngroups > NGROUPS) - nuidp->nu_cr.cr_ngroups = NGROUPS; - nuidp->nu_cr.cr_ref = 1; - nuidp->nu_timestamp = nsd->nsd_timestamp; - nuidp->nu_expire = time_second + nsd->nsd_ttl; - /* - * and save the session key in nu_key. - */ - bcopy(nsd->nsd_key, nuidp->nu_key, - sizeof (nsd->nsd_key)); - if (nfsd->nfsd_nd->nd_nam2) { - struct sockaddr_in *saddr; - - saddr = (struct sockaddr_in *) - nfsd->nfsd_nd->nd_nam2; - switch (saddr->sin_family) { - case AF_INET: - nuidp->nu_flag |= NU_INETADDR; - nuidp->nu_inetaddr = - saddr->sin_addr.s_addr; - break; - case AF_ISO: - default: - nuidp->nu_flag |= NU_NAM; - nuidp->nu_nam = - dup_sockaddr(nfsd->nfsd_nd-> - nd_nam2, 1); - break; - }; - } - TAILQ_INSERT_TAIL(&slp->ns_uidlruhead, nuidp, - nu_lru); - LIST_INSERT_HEAD(NUIDHASH(slp, nsd->nsd_uid), - nuidp, nu_hash); - nfsrv_setcred(&nuidp->nu_cr, - &nfsd->nfsd_nd->nd_cr); - nfsd->nfsd_nd->nd_flag |= ND_KERBFULL; - } - } - } - if ((uap->flag & NFSSVC_AUTHINFAIL) && (nfsd = nsd->nsd_nfsd)) - nfsd->nfsd_flag |= NFSD_AUTHFAIL; + return (error); error = nfssvc_nfsd(nsd, uap->argp, td); + } else { + error = ENXIO; } -#endif /* NFS_NOSERVER */ if (error == EINTR || error == ERESTART) error = 0; done2: @@ -338,19 +176,15 @@ done2: return (error); } -#ifndef NFS_NOSERVER /* * Adds a socket to the list for servicing by nfsds. */ static int -nfssvc_addsock(fp, mynam, td) - struct file *fp; - struct sockaddr *mynam; - struct thread *td; +nfssvc_addsock(struct file *fp, struct sockaddr *mynam, struct thread *td) { - register int siz; - register struct nfssvc_sock *slp; - register struct socket *so; + int siz; + struct nfssvc_sock *slp; + struct socket *so; int error, s; so = (struct socket *)fp->f_data; @@ -418,7 +252,6 @@ nfssvc_addsock(fp, mynam, td) malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK | M_ZERO); STAILQ_INIT(&slp->ns_rec); - TAILQ_INIT(&slp->ns_uidlruhead); TAILQ_INSERT_TAIL(&nfssvc_sockhead, slp, ns_chain); slp->ns_so = so; @@ -440,13 +273,10 @@ nfssvc_addsock(fp, mynam, td) * until it is killed by a signal. */ static int -nfssvc_nfsd(nsd, argp, td) - struct nfsd_srvargs *nsd; - caddr_t argp; - struct thread *td; +nfssvc_nfsd(struct nfsd_srvargs *nsd, caddr_t argp, struct thread *td) { - register int siz; - register struct nfssvc_sock *slp; + int siz; + struct nfssvc_sock *slp; struct nfsd *nfsd = nsd->nsd_nfsd; struct nfsrv_descript *nd = NULL; struct mbuf *m, *mreq; @@ -485,8 +315,7 @@ nfssvc_nfsd(nsd, argp, td) } if (nfsd->nfsd_slp == (struct nfssvc_sock *)0 && (nfsd_head_flag & NFSD_CHECKSLP) != 0) { - for (slp = nfssvc_sockhead.tqh_first; slp != 0; - slp = slp->ns_chain.tqe_next) { + TAILQ_FOREACH(slp, &nfssvc_sockhead, ns_chain) { if ((slp->ns_flag & (SLP_VALID | SLP_DOREC)) == (SLP_VALID | SLP_DOREC)) { slp->ns_flag &= ~SLP_DOREC; @@ -512,8 +341,8 @@ nfssvc_nfsd(nsd, argp, td) } error = nfsrv_dorec(slp, nfsd, &nd); cur_usec = nfs_curusec(); - if (error && slp->ns_tq.lh_first && - slp->ns_tq.lh_first->nd_time <= cur_usec) { + if (error && LIST_FIRST(&slp->ns_tq) && + LIST_FIRST(&slp->ns_tq)->nd_time <= cur_usec) { error = 0; cacherep = RC_DOIT; writes_todo = 1; @@ -547,49 +376,9 @@ nfssvc_nfsd(nsd, argp, td) /* * Check to see if authorization is needed. */ - if (nfsd->nfsd_flag & NFSD_NEEDAUTH) { - nfsd->nfsd_flag &= ~NFSD_NEEDAUTH; - nsd->nsd_haddr = - ((struct sockaddr_in *) - nd->nd_nam)->sin_addr.s_addr; - nsd->nsd_authlen = nfsd->nfsd_authlen; - nsd->nsd_verflen = nfsd->nfsd_verflen; - if (!copyout(nfsd->nfsd_authstr,nsd->nsd_authstr, - nfsd->nfsd_authlen) && - !copyout(nfsd->nfsd_verfstr, nsd->nsd_verfstr, - nfsd->nfsd_verflen) && - !copyout((caddr_t)nsd, argp, sizeof (*nsd))) - return (ENEEDAUTH); - cacherep = RC_DROPIT; - } else - cacherep = nfsrv_getcache(nd, slp, &mreq); + cacherep = nfsrv_getcache(nd, slp, &mreq); - /* - * Check for just starting up for NQNFS and send - * fake "try again later" replies to the NQNFS clients. - */ - if (notstarted && nqnfsstarttime <= time_second) { - if (modify_flag) { - nqnfsstarttime = time_second + nqsrv_writeslack; - modify_flag = 0; - } else - notstarted = 0; - } - if (notstarted) { - if ((nd->nd_flag & ND_NQNFS) == 0) - cacherep = RC_DROPIT; - else if (nd->nd_procnum != NFSPROC_WRITE) { - nd->nd_procnum = NFSPROC_NOOP; - nd->nd_repstat = NQNFS_TRYLATER; - cacherep = RC_DOIT; - } else - modify_flag = 1; - } else if (nfsd->nfsd_flag & NFSD_AUTHFAIL) { - nfsd->nfsd_flag &= ~NFSD_AUTHFAIL; - nd->nd_procnum = NFSPROC_NOOP; - nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK); - cacherep = RC_DOIT; - } else if (nfs_privport) { + if (nfs_privport) { /* Check if source port is privileged */ u_short port; struct sockaddr *nam = nd->nd_nam; @@ -597,7 +386,7 @@ nfssvc_nfsd(nsd, argp, td) sin = (struct sockaddr_in *)nam; port = ntohs(sin->sin_port); - if (port >= IPPORT_RESERVED && + if (port >= IPPORT_RESERVED && nd->nd_procnum != NFSPROC_NULL) { nd->nd_procnum = NFSPROC_NOOP; nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK); @@ -630,14 +419,13 @@ nfssvc_nfsd(nsd, argp, td) if (mreq == NULL) break; if (error != 0 && error != NFSERR_RETVOID) { - if (nd->nd_procnum != NQNFSPROC_VACATED) - nfsstats.srv_errs++; + nfsrvstats.srv_errs++; nfsrv_updatecache(nd, FALSE, mreq); if (nd->nd_nam2) FREE(nd->nd_nam2, M_SONAME); break; } - nfsstats.srvrpccnt[nd->nd_procnum]++; + nfsrvstats.srvrpccnt[nd->nd_procnum]++; nfsrv_updatecache(nd, TRUE, mreq); nd->nd_mrep = (struct mbuf *)0; case RC_REPLY: @@ -665,13 +453,11 @@ nfssvc_nfsd(nsd, argp, td) if (slp->ns_so->so_proto->pr_flags & PR_CONNREQUIRED) (void) nfs_slplock(slp, 1); if (slp->ns_flag & SLP_VALID) - error = nfs_send(slp->ns_so, nd->nd_nam2, m, NULL); + error = nfsrv_send(slp->ns_so, nd->nd_nam2, m); else { error = EPIPE; m_freem(m); } - if (nfsrtton) - nfsd_rt(sotype, nd, cacherep); if (nd->nd_nam2) FREE(nd->nd_nam2, M_SONAME); if (nd->nd_mrep) @@ -688,8 +474,6 @@ nfssvc_nfsd(nsd, argp, td) } break; case RC_DROPIT: - if (nfsrtton) - nfsd_rt(sotype, nd, cacherep); m_freem(nd->nd_mrep); if (nd->nd_nam2) FREE(nd->nd_nam2, M_SONAME); @@ -706,8 +490,8 @@ nfssvc_nfsd(nsd, argp, td) */ cur_usec = nfs_curusec(); s = splsoftclock(); - if (slp->ns_tq.lh_first && - slp->ns_tq.lh_first->nd_time <= cur_usec) { + if (LIST_FIRST(&slp->ns_tq) && + LIST_FIRST(&slp->ns_tq)->nd_time <= cur_usec) { cacherep = RC_DOIT; writes_todo = 1; } else @@ -739,11 +523,9 @@ done: * reassigned during cleanup. */ static void -nfsrv_zapsock(slp) - register struct nfssvc_sock *slp; +nfsrv_zapsock(struct nfssvc_sock *slp) { - register struct nfsuid *nuidp, *nnuidp; - register struct nfsrv_descript *nwp, *nnwp; + struct nfsrv_descript *nwp, *nnwp; struct socket *so; struct file *fp; struct nfsrv_rec *rec; @@ -769,18 +551,9 @@ nfsrv_zapsock(slp) m_freem(rec->nr_packet); free(rec, M_NFSRVDESC); } - for (nuidp = slp->ns_uidlruhead.tqh_first; nuidp != 0; - nuidp = nnuidp) { - nnuidp = nuidp->nu_lru.tqe_next; - LIST_REMOVE(nuidp, nu_hash); - TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp, nu_lru); - if (nuidp->nu_flag & NU_NAM) - FREE(nuidp->nu_nam, M_SONAME); - free((caddr_t)nuidp, M_NFSUID); - } s = splsoftclock(); - for (nwp = slp->ns_tq.lh_first; nwp; nwp = nnwp) { - nnwp = nwp->nd_tq.le_next; + for (nwp = LIST_FIRST(&slp->ns_tq); nwp; nwp = nnwp) { + nnwp = LIST_NEXT(nwp, nd_tq); LIST_REMOVE(nwp, nd_tq); free((caddr_t)nwp, M_NFSRVDESC); } @@ -794,9 +567,9 @@ nfsrv_zapsock(slp) * is no longer valid, you can throw it away. */ void -nfsrv_slpderef(slp) - register struct nfssvc_sock *slp; +nfsrv_slpderef(struct nfssvc_sock *slp) { + if (--(slp->ns_sref) == 0 && (slp->ns_flag & SLP_VALID) == 0) { TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain); free((caddr_t)slp, M_NFSSVC); @@ -807,19 +580,17 @@ nfsrv_slpderef(slp) * Lock a socket against others. */ int -nfs_slplock(slp, wait) - register struct nfssvc_sock *slp; - int wait; +nfs_slplock(struct nfssvc_sock *slp, int wait) { int *statep = &slp->ns_solock; - if (!wait && (*statep & NFSSTA_SNDLOCK)) + if (!wait && (*statep & NFSRV_SNDLOCK)) return(0); /* already locked, fail */ - while (*statep & NFSSTA_SNDLOCK) { - *statep |= NFSSTA_WANTSND; + while (*statep & NFSRV_SNDLOCK) { + *statep |= NFSRV_WANTSND; (void) tsleep((caddr_t)statep, PZERO - 1, "nfsslplck", 0); } - *statep |= NFSSTA_SNDLOCK; + *statep |= NFSRV_SNDLOCK; return (1); } @@ -827,16 +598,15 @@ nfs_slplock(slp, wait) * Unlock the stream socket for others. */ void -nfs_slpunlock(slp) - register struct nfssvc_sock *slp; +nfs_slpunlock(struct nfssvc_sock *slp) { int *statep = &slp->ns_solock; - if ((*statep & NFSSTA_SNDLOCK) == 0) + if ((*statep & NFSRV_SNDLOCK) == 0) panic("nfs slpunlock"); - *statep &= ~NFSSTA_SNDLOCK; - if (*statep & NFSSTA_WANTSND) { - *statep &= ~NFSSTA_WANTSND; + *statep &= ~NFSRV_SNDLOCK; + if (*statep & NFSRV_WANTSND) { + *statep &= ~NFSRV_WANTSND; wakeup((caddr_t)statep); } } @@ -847,17 +617,16 @@ nfs_slpunlock(slp) * corruption. */ void -nfsrv_init(terminating) - int terminating; +nfsrv_init(int terminating) { - register struct nfssvc_sock *slp, *nslp; + struct nfssvc_sock *slp, *nslp; if (nfssvc_sockhead_flag & SLP_INIT) panic("nfsd init"); nfssvc_sockhead_flag |= SLP_INIT; if (terminating) { - for (slp = nfssvc_sockhead.tqh_first; slp != 0; slp = nslp) { - nslp = slp->ns_chain.tqe_next; + for (slp = TAILQ_FIRST(&nfssvc_sockhead); slp != 0; slp = nslp){ + nslp = TAILQ_NEXT(slp, ns_chain); if (slp->ns_flag & SLP_VALID) nfsrv_zapsock(slp); TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain); @@ -881,334 +650,11 @@ nfsrv_init(terminating) nfs_udpsock = (struct nfssvc_sock *) malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK | M_ZERO); STAILQ_INIT(&nfs_udpsock->ns_rec); - TAILQ_INIT(&nfs_udpsock->ns_uidlruhead); TAILQ_INSERT_HEAD(&nfssvc_sockhead, nfs_udpsock, ns_chain); nfs_cltpsock = (struct nfssvc_sock *) malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK | M_ZERO); STAILQ_INIT(&nfs_cltpsock->ns_rec); - TAILQ_INIT(&nfs_cltpsock->ns_uidlruhead); TAILQ_INSERT_TAIL(&nfssvc_sockhead, nfs_cltpsock, ns_chain); #endif } - -/* - * Add entries to the server monitor log. - */ -static void -nfsd_rt(sotype, nd, cacherep) - int sotype; - register struct nfsrv_descript *nd; - int cacherep; -{ - register struct drt *rt; - - rt = &nfsdrt.drt[nfsdrt.pos]; - if (cacherep == RC_DOIT) - rt->flag = 0; - else if (cacherep == RC_REPLY) - rt->flag = DRT_CACHEREPLY; - else - rt->flag = DRT_CACHEDROP; - if (sotype == SOCK_STREAM) - rt->flag |= DRT_TCP; - if (nd->nd_flag & ND_NQNFS) - rt->flag |= DRT_NQNFS; - else if (nd->nd_flag & ND_NFSV3) - rt->flag |= DRT_NFSV3; - rt->proc = nd->nd_procnum; - if (nd->nd_nam->sa_family == AF_INET) - rt->ipadr = ((struct sockaddr_in *)nd->nd_nam)->sin_addr.s_addr; - else - rt->ipadr = INADDR_ANY; - rt->resptime = nfs_curusec() - (nd->nd_starttime.tv_sec * 1000000 + nd->nd_starttime.tv_usec); - getmicrotime(&rt->tstamp); - nfsdrt.pos = (nfsdrt.pos + 1) % NFSRTTLOGSIZ; -} -#endif /* NFS_NOSERVER */ - -static int nfs_defect = 0; -SYSCTL_INT(_vfs_nfs, OID_AUTO, defect, CTLFLAG_RW, &nfs_defect, 0, ""); - -/* - * Asynchronous I/O daemons for client nfs. - * They do read-ahead and write-behind operations on the block I/O cache. - * Never returns unless it fails or gets killed. - */ -static int -nfssvc_iod(td) - struct thread *td; -{ - register struct buf *bp; - register int i, myiod; - struct nfsmount *nmp; - int error = 0; - - /* - * Assign my position or return error if too many already running - */ - myiod = -1; - for (i = 0; i < NFS_MAXASYNCDAEMON; i++) - if (nfs_asyncdaemon[i] == 0) { - nfs_asyncdaemon[i]++; - myiod = i; - break; - } - if (myiod == -1) - return (EBUSY); - nfs_numasync++; - /* - * Just loop around doin our stuff until SIGKILL - */ - for (;;) { - while (((nmp = nfs_iodmount[myiod]) == NULL - || nmp->nm_bufq.tqh_first == NULL) - && error == 0) { - if (nmp) - nmp->nm_bufqiods--; - nfs_iodwant[myiod] = td->td_proc; - nfs_iodmount[myiod] = NULL; - error = tsleep((caddr_t)&nfs_iodwant[myiod], - PWAIT | PCATCH, "nfsidl", 0); - } - if (error) { - nfs_asyncdaemon[myiod] = 0; - if (nmp) - nmp->nm_bufqiods--; - nfs_iodwant[myiod] = NULL; - nfs_iodmount[myiod] = NULL; - nfs_numasync--; - return (error); - } - while ((bp = nmp->nm_bufq.tqh_first) != NULL) { - /* Take one off the front of the list */ - TAILQ_REMOVE(&nmp->nm_bufq, bp, b_freelist); - nmp->nm_bufqlen--; - if (nmp->nm_bufqwant && nmp->nm_bufqlen <= nfs_numasync) { - nmp->nm_bufqwant = FALSE; - wakeup(&nmp->nm_bufq); - } - if (bp->b_iocmd == BIO_READ) - (void) nfs_doio(bp, bp->b_rcred, (struct thread *)0); - else - (void) nfs_doio(bp, bp->b_wcred, (struct thread *)0); - /* - * If there are more than one iod on this mount, then defect - * so that the iods can be shared out fairly between the mounts - */ - if (nfs_defect && nmp->nm_bufqiods > 1) { - NFS_DPF(ASYNCIO, - ("nfssvc_iod: iod %d defecting from mount %p\n", - myiod, nmp)); - nfs_iodmount[myiod] = NULL; - nmp->nm_bufqiods--; - break; - } - } - } -} - - -/* - * Get an authorization string for the uid by having the mount_nfs sitting - * on this mount point porpous out of the kernel and do it. - */ -int -nfs_getauth(nmp, rep, cred, auth_str, auth_len, verf_str, verf_len, key) - register struct nfsmount *nmp; - struct nfsreq *rep; - struct ucred *cred; - char **auth_str; - int *auth_len; - char *verf_str; - int *verf_len; - NFSKERBKEY_T key; /* return session key */ -{ - int error = 0; - - while ((nmp->nm_state & NFSSTA_WAITAUTH) == 0) { - nmp->nm_state |= NFSSTA_WANTAUTH; - (void) tsleep((caddr_t)&nmp->nm_authtype, PSOCK, - "nfsauth1", 2 * hz); - error = nfs_sigintr(nmp, rep, rep->r_td->td_proc); - if (error) { - nmp->nm_state &= ~NFSSTA_WANTAUTH; - return (error); - } - } - nmp->nm_state &= ~(NFSSTA_WAITAUTH | NFSSTA_WANTAUTH); - nmp->nm_authstr = *auth_str = (char *)malloc(RPCAUTH_MAXSIZ, M_TEMP, M_WAITOK); - nmp->nm_authlen = RPCAUTH_MAXSIZ; - nmp->nm_verfstr = verf_str; - nmp->nm_verflen = *verf_len; - nmp->nm_authuid = cred->cr_uid; - wakeup((caddr_t)&nmp->nm_authstr); - - /* - * And wait for mount_nfs to do its stuff. - */ - while ((nmp->nm_state & NFSSTA_HASAUTH) == 0 && error == 0) { - (void) tsleep((caddr_t)&nmp->nm_authlen, PSOCK, - "nfsauth2", 2 * hz); - error = nfs_sigintr(nmp, rep, rep->r_td->td_proc); - } - if (nmp->nm_state & NFSSTA_AUTHERR) { - nmp->nm_state &= ~NFSSTA_AUTHERR; - error = EAUTH; - } - if (error) - free((caddr_t)*auth_str, M_TEMP); - else { - *auth_len = nmp->nm_authlen; - *verf_len = nmp->nm_verflen; - bcopy((caddr_t)nmp->nm_key, (caddr_t)key, sizeof (key)); - } - nmp->nm_state &= ~NFSSTA_HASAUTH; - nmp->nm_state |= NFSSTA_WAITAUTH; - if (nmp->nm_state & NFSSTA_WANTAUTH) { - nmp->nm_state &= ~NFSSTA_WANTAUTH; - wakeup((caddr_t)&nmp->nm_authtype); - } - return (error); -} - -/* - * Get a nickname authenticator and verifier. - */ -int -nfs_getnickauth(nmp, cred, auth_str, auth_len, verf_str, verf_len) - struct nfsmount *nmp; - struct ucred *cred; - char **auth_str; - int *auth_len; - char *verf_str; - int verf_len; -{ - register struct nfsuid *nuidp; - register u_int32_t *nickp, *verfp; - struct timeval ktvin, ktvout; - -#ifdef DIAGNOSTIC - if (verf_len < (4 * NFSX_UNSIGNED)) - panic("nfs_getnickauth verf too small"); -#endif - for (nuidp = NMUIDHASH(nmp, cred->cr_uid)->lh_first; - nuidp != 0; nuidp = nuidp->nu_hash.le_next) { - if (nuidp->nu_cr.cr_uid == cred->cr_uid) - break; - } - if (!nuidp || nuidp->nu_expire < time_second) - return (EACCES); - - /* - * Move to the end of the lru list (end of lru == most recently used). - */ - TAILQ_REMOVE(&nmp->nm_uidlruhead, nuidp, nu_lru); - TAILQ_INSERT_TAIL(&nmp->nm_uidlruhead, nuidp, nu_lru); - - nickp = (u_int32_t *)malloc(2 * NFSX_UNSIGNED, M_TEMP, M_WAITOK); - *nickp++ = txdr_unsigned(RPCAKN_NICKNAME); - *nickp = txdr_unsigned(nuidp->nu_nickname); - *auth_str = (char *)nickp; - *auth_len = 2 * NFSX_UNSIGNED; - - /* - * Now we must encrypt the verifier and package it up. - */ - verfp = (u_int32_t *)verf_str; - *verfp++ = txdr_unsigned(RPCAKN_NICKNAME); - if (time_second > nuidp->nu_timestamp.tv_sec || - (time_second == nuidp->nu_timestamp.tv_sec && - time_second > nuidp->nu_timestamp.tv_usec)) - getmicrotime(&nuidp->nu_timestamp); - else - nuidp->nu_timestamp.tv_usec++; - ktvin.tv_sec = txdr_unsigned(nuidp->nu_timestamp.tv_sec); - ktvin.tv_usec = txdr_unsigned(nuidp->nu_timestamp.tv_usec); - - /* - * Now encrypt the timestamp verifier in ecb mode using the session - * key. - */ -#ifdef NFSKERB - XXX -#endif - - *verfp++ = ktvout.tv_sec; - *verfp++ = ktvout.tv_usec; - *verfp = 0; - return (0); -} - -/* - * Save the current nickname in a hash list entry on the mount point. - */ -int -nfs_savenickauth(nmp, cred, len, key, mdp, dposp, mrep) - register struct nfsmount *nmp; - struct ucred *cred; - int len; - NFSKERBKEY_T key; - struct mbuf **mdp; - char **dposp; - struct mbuf *mrep; -{ - register struct nfsuid *nuidp; - register u_int32_t *tl; - register int32_t t1; - struct mbuf *md = *mdp; - struct timeval ktvin, ktvout; - u_int32_t nick; - char *dpos = *dposp, *cp2; - int deltasec, error = 0; - - if (len == (3 * NFSX_UNSIGNED)) { - nfsm_dissect(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - ktvin.tv_sec = *tl++; - ktvin.tv_usec = *tl++; - nick = fxdr_unsigned(u_int32_t, *tl); - - /* - * Decrypt the timestamp in ecb mode. - */ -#ifdef NFSKERB - XXX -#endif - ktvout.tv_sec = fxdr_unsigned(long, ktvout.tv_sec); - ktvout.tv_usec = fxdr_unsigned(long, ktvout.tv_usec); - deltasec = time_second - ktvout.tv_sec; - if (deltasec < 0) - deltasec = -deltasec; - /* - * If ok, add it to the hash list for the mount point. - */ - if (deltasec <= NFS_KERBCLOCKSKEW) { - if (nmp->nm_numuids < nuidhash_max) { - nmp->nm_numuids++; - nuidp = (struct nfsuid *) - malloc(sizeof (struct nfsuid), M_NFSUID, - M_WAITOK); - } else { - nuidp = nmp->nm_uidlruhead.tqh_first; - LIST_REMOVE(nuidp, nu_hash); - TAILQ_REMOVE(&nmp->nm_uidlruhead, nuidp, - nu_lru); - } - nuidp->nu_flag = 0; - nuidp->nu_cr.cr_uid = cred->cr_uid; - nuidp->nu_expire = time_second + NFS_KERBTTL; - nuidp->nu_timestamp = ktvout; - nuidp->nu_nickname = nick; - bcopy(key, nuidp->nu_key, sizeof (key)); - TAILQ_INSERT_TAIL(&nmp->nm_uidlruhead, nuidp, - nu_lru); - LIST_INSERT_HEAD(NMUIDHASH(nmp, cred->cr_uid), - nuidp, nu_hash); - } - } else - nfsm_adv(nfsm_rndup(len)); -nfsmout: - *mdp = md; - *dposp = dpos; - return (error); -} diff --git a/sys/nfsserver/nfsm_subs.h b/sys/nfsserver/nfsm_subs.h index d58ef15..2f60521 100644 --- a/sys/nfsserver/nfsm_subs.h +++ b/sys/nfsserver/nfsm_subs.h @@ -37,12 +37,12 @@ * $FreeBSD$ */ +#ifndef _NFSSERVER_NFSM_SUBS_H_ +#define _NFSSERVER_NFSM_SUBS_H_ -#ifndef _NFS_NFSM_SUBS_H_ -#define _NFS_NFSM_SUBS_H_ +#include <nfs/nfs_common.h> -struct ucred; -struct vnode; +#define nfstov_mode(a) (fxdr_unsigned(u_int32_t, (a)) & ALLPERMS) /* * These macros do strange and peculiar things to mbuf chains for @@ -53,24 +53,8 @@ struct vnode; /* * First define what the actual subs. return */ -struct mbuf *nfsm_reqh __P((struct vnode *vp, u_long procid, int hsiz, - caddr_t *bposp)); -struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid, - int auth_type, int auth_len, char *auth_str, - int verf_len, char *verf_str, - struct mbuf *mrest, int mrest_len, - struct mbuf **mbp, u_int32_t *xidp)); #define M_HASCL(m) ((m)->m_flags & M_EXT) -#define NFSMINOFF(m) \ - do { \ - if (M_HASCL(m)) \ - (m)->m_data = (m)->m_ext.ext_buf; \ - else if ((m)->m_flags & M_PKTHDR) \ - (m)->m_data = (m)->m_pktdat; \ - else \ - (m)->m_data = (m)->m_dat; \ - } while (0) #define NFSMADV(m, s) \ do { \ (m)->m_data += (s); \ @@ -91,474 +75,111 @@ struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid, * unions. */ -#define nfsm_build(a,c,s) \ - do { \ - if ((s) > M_TRAILINGSPACE(mb)) { \ - MGET(mb2, M_TRYWAIT, MT_DATA); \ - if ((s) > MLEN) \ - panic("build > MLEN"); \ - mb->m_next = mb2; \ - mb = mb2; \ - mb->m_len = 0; \ - bpos = mtod(mb, caddr_t); \ - } \ - (a) = (c)(bpos); \ - mb->m_len += (s); \ - bpos += (s); \ - } while (0) -#define nfsm_dissect(a, c, s) \ - do { \ - t1 = mtod(md, caddr_t)+md->m_len-dpos; \ - if (t1 >= (s)) { \ - (a) = (c)(dpos); \ - dpos += (s); \ - } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } else { \ - (a) = (c)cp2; \ - } \ - } while (0) - -#define nfsm_fhtom(v, v3) \ - do { \ - if (v3) { \ - t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \ - if (t2 <= M_TRAILINGSPACE(mb)) { \ - nfsm_build(tl, u_int32_t *, t2); \ - *tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \ - *(tl + ((t2>>2) - 2)) = 0; \ - bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \ - VTONFS(v)->n_fhsize); \ - } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \ - (caddr_t)VTONFS(v)->n_fhp, \ - VTONFS(v)->n_fhsize)) != 0) { \ - error = t2; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } else { \ - nfsm_build(cp, caddr_t, NFSX_V2FH); \ - bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \ - } \ - } while (0) +/* Helpers for macros */ +void nfsm_srvfhtom_xx(fhandle_t *f, int v3, u_int32_t **tl, struct mbuf **mb, + caddr_t *bpos); +void nfsm_srvpostop_fh_xx(fhandle_t *f, u_int32_t **tl, struct mbuf **mb, + caddr_t *bpos); +int nfsm_srvstrsiz_xx(int *s, int m, u_int32_t **tl, struct mbuf **md, + caddr_t *dpos); +int nfsm_srvnamesiz_xx(int *s, u_int32_t **tl, struct mbuf **md, + caddr_t *dpos); +void nfs_rephead_xx(int s, struct nfsrv_descript *nfsd, + struct nfssvc_sock *slp, int error, struct mbuf **mrq, + struct mbuf **mb, struct mbuf **mreq, struct mbuf **mrep, + caddr_t *bpos); +int nfsm_srvmtofh_xx(fhandle_t *f, struct nfsrv_descript *nfsd, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos); +void nfsm_clget_xx(u_int32_t **tl, struct mbuf *mb, struct mbuf **mp, + char **bp, char **be, caddr_t bpos); +int nfsm_srvsattr_xx(struct vattr *a, u_int32_t **tl, struct mbuf **md, + caddr_t *dpos); #define nfsm_srvfhtom(f, v3) \ - do { \ - if (v3) { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_V3FH);\ - *tl++ = txdr_unsigned(NFSX_V3FH); \ - bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \ - } else { \ - nfsm_build(cp, caddr_t, NFSX_V2FH); \ - bcopy((caddr_t)(f), cp, NFSX_V2FH); \ - } \ - } while (0) +do { \ + nfsm_srvfhtom_xx((f), (v3), &tl, &mb, &bpos); \ +} while (0) #define nfsm_srvpostop_fh(f) \ - do { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED + NFSX_V3FH); \ - *tl++ = nfs_true; \ - *tl++ = txdr_unsigned(NFSX_V3FH); \ - bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \ - } while (0) - -#define nfsm_mtofh(d, v, v3, f) \ - do { \ - struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (f) = fxdr_unsigned(int, *tl); \ - } else \ - (f) = 1; \ - if (f) { \ - nfsm_getfh(ttfhp, ttfhsize, (v3)); \ - if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \ - &ttnp)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = NFSTOV(ttnp); \ - } \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (f) \ - (f) = fxdr_unsigned(int, *tl); \ - else if (fxdr_unsigned(int, *tl)) \ - nfsm_adv(NFSX_V3FATTR); \ - } \ - if (f) \ - nfsm_loadattr((v), (struct vattr *)0); \ - } while (0) - -#define nfsm_getfh(f, s, v3) \ - do { \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \ - (s) > NFSX_V3FHMAX) { \ - m_freem(mrep); \ - error = EBADRPC; \ - goto nfsmout; \ - } \ - } else \ - (s) = NFSX_V2FH; \ - nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); \ - } while (0) - -#define nfsm_loadattr(v, a) \ - do { \ - struct vnode *ttvp = (v); \ - if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, (a), 0)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = ttvp; \ - } while (0) - -#define nfsm_postop_attr(v, f) \ - do { \ - struct vnode *ttvp = (v); \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (((f) = fxdr_unsigned(int, *tl)) != 0) { \ - if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, \ - (struct vattr *)0, 1)) != 0) { \ - error = t1; \ - (f) = 0; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = ttvp; \ - } \ - } while (0) - -/* Used as (f) for nfsm_wcc_data() */ -#define NFSV3_WCCRATTR 0 -#define NFSV3_WCCCHK 1 - -#define nfsm_wcc_data(v, f) \ - do { \ - int ttattrf, ttretf = 0; \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \ - if (f) \ - ttretf = (VTONFS(v)->n_mtime == \ - fxdr_unsigned(u_int32_t, *(tl + 2))); \ - } \ - nfsm_postop_attr((v), ttattrf); \ - if (f) { \ - (f) = ttretf; \ - } else { \ - (f) = ttattrf; \ - } \ - } while (0) - -/* If full is true, set all fields, otherwise just set mode and time fields */ -#define nfsm_v3attrbuild(a, full) \ - do { \ - if ((a)->va_mode != (mode_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_mode); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_uid); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_gid); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_size != VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - txdr_hyper((a)->va_size, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((a)->va_atime.tv_sec != VNOVAL) { \ - if ((a)->va_atime.tv_sec != time_second) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);\ - *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);\ - txdr_nfsv3time(&(a)->va_atime, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \ - } \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \ - } \ - if ((a)->va_mtime.tv_sec != VNOVAL) { \ - if ((a)->va_mtime.tv_sec != time_second) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);\ - *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);\ - txdr_nfsv3time(&(a)->va_mtime, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \ - } \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \ - } \ - } while (0) - - -#define nfsm_strsiz(s,m) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > (m)) { \ - m_freem(mrep); \ - error = EBADRPC; \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_srvstrsiz(s,m) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > (m) || (s) <= 0) { \ - error = EBADRPC; \ - nfsm_reply(0); \ - } \ - } while (0) +do { \ + nfsm_srvpostop_fh_xx((f), &tl, &mb, &bpos); \ +} while (0) + +#define nfsm_srvstrsiz(s, m) \ +do { \ + int t1; \ + t1 = nfsm_srvstrsiz_xx(&(s), (m), &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + nfsm_reply(0); \ + } \ +} while (0) #define nfsm_srvnamesiz(s) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > NFS_MAXNAMLEN) \ - error = NFSERR_NAMETOL; \ - if ((s) <= 0) \ - error = EBADRPC; \ - if (error) \ - nfsm_reply(0); \ - } while (0) - -#define nfsm_mtouio(p,s) \ - do {\ - if ((s) > 0 && \ - (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_uiotom(p,s) \ - do { \ - if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \ - error = t1; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_reqhead(v,a,s) \ - do { \ - mb = mreq = nfsm_reqh((v),(a),(s),&bpos); \ - } while (0) - -#define nfsm_reqdone \ - do { \ - m_freem(mrep); \ - nfsmout: \ - } while (0) - -#define nfsm_rndup(a) (((a)+3)&(~0x3)) - -#define nfsm_request(v, t, p, c) \ - do { \ - if ((error = nfs_request((v), mreq, (t), (p), \ - (c), &mrep, &md, &dpos)) != 0) { \ - if (error & NFSERR_RETERR) \ - error &= ~NFSERR_RETERR; \ - else \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_strtom(a,s,m) \ - do {\ - if ((s) > (m)) { \ - m_freem(mreq); \ - error = ENAMETOOLONG; \ - goto nfsmout; \ - } \ - t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \ - if (t2 <= M_TRAILINGSPACE(mb)) { \ - nfsm_build(tl,u_int32_t *,t2); \ - *tl++ = txdr_unsigned(s); \ - *(tl+((t2>>2)-2)) = 0; \ - bcopy((const char *)(a), (caddr_t)tl, (s)); \ - } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \ - error = t2; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_srvdone \ - do { \ - nfsmout: \ - return (error); \ - } while (0) +do { \ + int t1; \ + t1 = nfsm_srvnamesiz_xx(&(s), &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + nfsm_reply(0); \ + } \ +} while (0) #define nfsm_reply(s) \ - do { \ - nfsd->nd_repstat = error; \ - if (error && !(nfsd->nd_flag & ND_NFSV3)) \ - (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ - mrq, &mb, &bpos); \ - else \ - (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ - mrq, &mb, &bpos); \ - if (mrep != NULL) { \ - m_freem(mrep); \ - mrep = NULL; \ - } \ - mreq = *mrq; \ - if (error && (!(nfsd->nd_flag & ND_NFSV3) || \ - error == EBADRPC)) { \ - error = 0; \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_writereply(s, v3) \ - do { \ - nfsd->nd_repstat = error; \ - if (error && !(v3)) \ - (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ - &mreq, &mb, &bpos); \ - else \ - (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ - &mreq, &mb, &bpos); \ - } while (0) - -#define nfsm_adv(s) \ - do { \ - t1 = mtod(md, caddr_t)+md->m_len-dpos; \ - if (t1 >= (s)) { \ - dpos += (s); \ - } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - } while (0) +do { \ + nfs_rephead_xx((s), nfsd, slp, error, mrq, &mb, &mreq, &mrep, &bpos); \ + if (error && error == EBADRPC) { \ + error = 0; \ + goto nfsmout; \ + } \ +} while (0) + +#define nfsm_writereply(s) \ +do { \ + nfs_rephead((s), nfsd, slp, error, &mreq, &mb, &bpos); \ +} while (0) #define nfsm_srvmtofh(f) \ - do { \ - int fhlen; \ - if (nfsd->nd_flag & ND_NFSV3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - fhlen = fxdr_unsigned(int, *tl); \ - if (fhlen != 0 && fhlen != NFSX_V3FH) { \ - error = EBADRPC; \ - nfsm_reply(0); \ - } \ - } else { \ - fhlen = NFSX_V2FH; \ - } \ - if (fhlen != 0) { \ - nfsm_dissect(tl, u_int32_t *, fhlen); \ - bcopy((caddr_t)tl, (caddr_t)(f), fhlen); \ - } else {\ - bzero((caddr_t)(f), NFSX_V3FH); \ - } \ - } while (0) - -#define nfsm_clget \ - do { \ - if (bp >= be) { \ - if (mp == mb) \ - mp->m_len += bp-bpos; \ - MGET(mp, M_TRYWAIT, MT_DATA); \ - MCLGET(mp, M_TRYWAIT); \ - mp->m_len = NFSMSIZ(mp); \ - mp2->m_next = mp; \ - mp2 = mp; \ - bp = mtod(mp, caddr_t); \ - be = bp+mp->m_len; \ - } \ - tl = (u_int32_t *)bp; \ - } while (0) +do { \ + int t1; \ + t1 = nfsm_srvmtofh_xx((f), nfsd, &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + nfsm_reply(0); \ + } \ +} while (0) + +#define nfsm_clget \ +do { \ + nfsm_clget_xx(&tl, mb, &mp, &bp, &be, bpos); \ +} while (0) #define nfsm_srvfillattr(a, f) \ - do { \ - nfsm_srvfattr(nfsd, (a), (f)); \ - } while (0) +do { \ + nfsm_srvfattr(nfsd, (a), (f)); \ +} while (0) #define nfsm_srvwcc_data(br, b, ar, a) \ - do { \ - nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos); \ - } while (0) +do { \ + nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos); \ +} while (0) #define nfsm_srvpostop_attr(r, a) \ - do { \ - nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos); \ - } while (0) +do { \ + nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos); \ +} while (0) #define nfsm_srvsattr(a) \ - do { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_mode = nfstov_mode(*tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_uid = fxdr_unsigned(uid_t, *tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_gid = fxdr_unsigned(gid_t, *tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - (a)->va_size = fxdr_hyper(tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - switch (fxdr_unsigned(int, *tl)) { \ - case NFSV3SATTRTIME_TOCLIENT: \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - fxdr_nfsv3time(tl, &(a)->va_atime); \ - break; \ - case NFSV3SATTRTIME_TOSERVER: \ - getnanotime(&(a)->va_atime); \ - break; \ - }; \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - switch (fxdr_unsigned(int, *tl)) { \ - case NFSV3SATTRTIME_TOCLIENT: \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - fxdr_nfsv3time(tl, &(a)->va_mtime); \ - break; \ - case NFSV3SATTRTIME_TOSERVER: \ - getnanotime(&(a)->va_mtime); \ - break; \ - } \ - } while (0) +do { \ + int t1; \ + t1 = nfsm_srvsattr_xx((a), &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + m_freem(mrep); \ + mrep = NULL; \ + goto nfsmout; \ + } \ +} while (0) #endif diff --git a/sys/nfsserver/nfsrvcache.h b/sys/nfsserver/nfsrvcache.h index eec5850..96b76d5 100644 --- a/sys/nfsserver/nfsrvcache.h +++ b/sys/nfsserver/nfsrvcache.h @@ -37,9 +37,8 @@ * $FreeBSD$ */ - -#ifndef _NFS_NFSRVCACHE_H_ -#define _NFS_NFSRVCACHE_H_ +#ifndef _NFSSERVER_NFSRVCACHE_H_ +#define _NFSSERVER_NFSRVCACHE_H_ #include <sys/queue.h> @@ -77,14 +76,13 @@ struct nfsrvcache { #define RC_DROPIT 0 #define RC_REPLY 1 #define RC_DOIT 2 -#define RC_CHECKIT 3 /* Flag bits */ #define RC_LOCKED 0x01 #define RC_WANTED 0x02 #define RC_REPSTATUS 0x04 #define RC_REPMBUF 0x08 -#define RC_NQNFS 0x10 +/* free 0x10 */ #define RC_INETADDR 0x20 #define RC_NAM 0x40 diff --git a/sys/nfsserver/nfsrvstats.h b/sys/nfsserver/nfsrvstats.h index da808f4..d744f95 100644 --- a/sys/nfsserver/nfsrvstats.h +++ b/sys/nfsserver/nfsrvstats.h @@ -37,691 +37,21 @@ * $FreeBSD$ */ -#ifndef _NFS_NFS_H_ -#define _NFS_NFS_H_ - -#ifdef _KERNEL -#include "opt_nfs.h" -#endif - -/* - * Tunable constants for nfs - */ - -#define NFS_MAXIOVEC 34 -#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ -#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ -#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ -#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ -#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ -#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ -#define NFS_MAXREXMIT 100 /* Stop counting after this many */ -#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ -#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ -#define NFS_MAXGRPS 16 /* Max. size of groups list */ -#ifndef NFS_MINATTRTIMO -#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ -#endif -#ifndef NFS_MAXATTRTIMO -#define NFS_MAXATTRTIMO 60 -#endif -#ifndef NFS_MINDIRATTRTIMO -#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ -#endif -#ifndef NFS_MAXDIRATTRTIMO -#define NFS_MAXDIRATTRTIMO 60 -#endif -#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ -#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ -#define NFS_READDIRSIZE 8192 /* Def. readdir size */ -#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ -#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ -#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ -#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ -#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ -#ifndef NFS_GATHERDELAY -#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ -#endif -#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ -#ifdef _KERNEL -#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ -#endif - -/* - * Oddballs - */ -#define NMOD(a) ((a) % nfs_asyncdaemons) -#define NFS_CMPFH(n, f, s) \ - ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) -#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) -#define NFS_SRVMAXDATA(n) \ - (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ - NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) - -/* - * XXX - * The B_INVAFTERWRITE flag should be set to whatever is required by the - * buffer cache code to say "Invalidate the block after it is written back". - */ -#define B_INVAFTERWRITE B_NOCACHE - -/* - * The IO_METASYNC flag should be implemented for local file systems. - * (Until then, it is nothin at all.) - */ -#ifndef IO_METASYNC -#define IO_METASYNC 0 -#endif - -/* - * Arguments to mount NFS - */ -#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ -struct nfs_args { - int version; /* args structure version number */ - struct sockaddr *addr; /* file server address */ - int addrlen; /* length of address */ - int sotype; /* Socket type */ - int proto; /* and Protocol */ - u_char *fh; /* File handle to be mounted */ - int fhsize; /* Size, in bytes, of fh */ - int flags; /* flags */ - int wsize; /* write size in bytes */ - int rsize; /* read size in bytes */ - int readdirsize; /* readdir size in bytes */ - int timeo; /* initial timeout in .1 secs */ - int retrans; /* times to retry send */ - int maxgrouplist; /* Max. size of group list */ - int readahead; /* # of blocks to readahead */ - int leaseterm; /* Term (sec) of lease */ - int deadthresh; /* Retrans threshold */ - char *hostname; /* server's name */ - int acregmin; /* cache attrs for reg files min time */ - int acregmax; /* cache attrs for reg files max time */ - int acdirmin; /* cache attrs for dirs min time */ - int acdirmax; /* cache attrs for dirs max time */ -}; - -/* - * NFS mount option flags - */ -#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ -#define NFSMNT_WSIZE 0x00000002 /* set write size */ -#define NFSMNT_RSIZE 0x00000004 /* set read size */ -#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ -#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ -#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ -#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ -#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ -#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ -#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ -#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ -#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ -#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ -#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ -#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ -#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ -#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ -#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ -#define NFSMNT_ACREGMIN 0x00040000 -#define NFSMNT_ACREGMAX 0x00080000 -#define NFSMNT_ACDIRMIN 0x00100000 -#define NFSMNT_ACDIRMAX 0x00200000 - -#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ -#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ -#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ -#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ -#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ -#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ -#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ -#define NFSSTA_WANTSND 0x02000000 /* Want above */ -#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ -#define NFSSTA_WANTRCV 0x08000000 /* Want above */ -#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ -#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ -#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ -#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ +#ifndef _NFSSERVER_NFSRVSTATS_H_ +#define _NFSSERVER_NFSRVSTATS_H_ /* - * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs - * should ever try and use it. + * Server stats structure */ -struct nfsd_args { - int sock; /* Socket to serve */ - caddr_t name; /* Client addr for connection based sockets */ - int namelen; /* Length of name */ -}; - -struct nfsd_srvargs { - struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ - uid_t nsd_uid; /* Effective uid mapped to cred */ - u_int32_t nsd_haddr; /* Ip address of client */ - struct xucred nsd_cr; /* Cred. uid maps to */ - u_int nsd_authlen; /* Length of auth string (ret) */ - u_char *nsd_authstr; /* Auth string (ret) */ - u_int nsd_verflen; /* and the verfier */ - u_char *nsd_verfstr; - struct timeval nsd_timestamp; /* timestamp from verifier */ - u_int32_t nsd_ttl; /* credential ttl (sec) */ - NFSKERBKEY_T nsd_key; /* Session key */ -}; - -struct nfsd_cargs { - char *ncd_dirp; /* Mount dir path */ - uid_t ncd_authuid; /* Effective uid */ - int ncd_authtype; /* Type of authenticator */ - u_int ncd_authlen; /* Length of authenticator string */ - u_char *ncd_authstr; /* Authenticator string */ - u_int ncd_verflen; /* and the verifier */ - u_char *ncd_verfstr; - NFSKERBKEY_T ncd_key; /* Session key */ -}; - -/* - * XXX to allow amd to include nfs.h without nfsproto.h - */ -#ifdef NFS_NPROCS -/* - * Stats structure - */ -struct nfsstats { - int attrcache_hits; - int attrcache_misses; - int lookupcache_hits; - int lookupcache_misses; - int direofcache_hits; - int direofcache_misses; - int biocache_reads; - int read_bios; - int read_physios; - int biocache_writes; - int write_bios; - int write_physios; - int biocache_readlinks; - int readlink_bios; - int biocache_readdirs; - int readdir_bios; - int rpccnt[NFS_NPROCS]; - int rpcretries; - int srvrpccnt[NFS_NPROCS]; +struct nfsrvstats { int srvrpc_errs; int srv_errs; - int rpcrequests; - int rpctimeouts; - int rpcunexpected; - int rpcinvalid; int srvcache_inproghits; int srvcache_idemdonehits; int srvcache_nonidemdonehits; int srvcache_misses; - int srvnqnfs_leases; - int srvnqnfs_maxleases; - int srvnqnfs_getleases; int srvvop_writes; - int accesscache_hits; - int accesscache_misses; -}; -#endif - -/* - * Flags for nfssvc() system call. - */ -#define NFSSVC_BIOD 0x002 -#define NFSSVC_NFSD 0x004 -#define NFSSVC_ADDSOCK 0x008 -#define NFSSVC_AUTHIN 0x010 -#define NFSSVC_GOTAUTH 0x040 -#define NFSSVC_AUTHINFAIL 0x080 -#define NFSSVC_MNTD 0x100 -#define NFSSVC_LOCKDANS 0x200 - -/* - * fs.nfs sysctl(3) identifiers - */ -#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ -#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ - -#define FS_NFS_NAMES { \ - { 0, 0 }, \ - { "nfsstats", CTLTYPE_STRUCT }, \ - { "nfsprivport", CTLTYPE_INT }, \ -} - -#ifdef _KERNEL - -#ifdef MALLOC_DECLARE -MALLOC_DECLARE(M_NFSREQ); -MALLOC_DECLARE(M_NFSDIROFF); -MALLOC_DECLARE(M_NFSRVDESC); -MALLOC_DECLARE(M_NFSUID); -MALLOC_DECLARE(M_NQLEASE); -MALLOC_DECLARE(M_NFSD); -MALLOC_DECLARE(M_NFSBIGFH); -MALLOC_DECLARE(M_NFSHASH); -#endif - -#ifdef ZONE_INTERRUPT -extern vm_zone_t nfsmount_zone; -#endif - -extern struct callout_handle nfs_timer_handle; - -struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ - -/* - * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. - * What should be in this set is open to debate, but I believe that since - * I/O system calls on ufs are never interrupted by signals the set should - * be minimal. My reasoning is that many current programs that use signals - * such as SIGALRM will not expect file I/O system calls to be interrupted - * by them and break. - */ -#define NFSINT_SIGMASK(set) \ - (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ - SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ - SIGISMEMBER(set, SIGQUIT)) - -/* - * Socket errors ignored for connectionless sockets?? - * For now, ignore them all - */ -#define NFSIGNORE_SOERROR(s, e) \ - ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ - ((s) & PR_CONNREQUIRED) == 0) - -/* - * Nfs outstanding request list element - */ -struct nfsreq { - TAILQ_ENTRY(nfsreq) r_chain; - struct mbuf *r_mreq; - struct mbuf *r_mrep; - struct mbuf *r_md; - caddr_t r_dpos; - struct nfsmount *r_nmp; - struct vnode *r_vp; - u_int32_t r_xid; - int r_flags; /* flags on request, see below */ - int r_retry; /* max retransmission count */ - int r_rexmit; /* current retrans count */ - int r_timer; /* tick counter on reply */ - u_int32_t r_procnum; /* NFS procedure number */ - int r_rtt; /* RTT for rpc */ - struct thread *r_td; /* Proc that did I/O system call */ -}; - -/* - * Queue head for nfsreq's - */ -extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; - -/* Flag values for r_flags */ -#define R_TIMING 0x01 /* timing request (in mntp) */ -#define R_SENT 0x02 /* request has been sent */ -#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ -#define R_INTR 0x08 /* intr mnt, signal pending */ -#define R_SOCKERR 0x10 /* Fatal error on socket */ -#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ -#define R_MUSTRESEND 0x40 /* Must resend request */ -#define R_GETONEREP 0x80 /* Probe for one reply only */ - -/* - * A list of nfssvc_sock structures is maintained with all the sockets - * that require service by the nfsd. - * The nfsuid structs hang off of the nfssvc_sock structs in both lru - * and uid hash lists. - */ -#ifndef NFS_UIDHASHSIZ -#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ -#endif -#define NUIDHASH(sock, uid) \ - (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) -#ifndef NFS_WDELAYHASHSIZ -#define NFS_WDELAYHASHSIZ 16 /* and with this */ -#endif -#define NWDELAYHASH(sock, f) \ - (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) -#ifndef NFS_MUIDHASHSIZ -#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ -#endif -#define NMUIDHASH(nmp, uid) \ - (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) -#define NFSNOHASH(fhsum) \ - (&nfsnodehashtbl[(fhsum) & nfsnodehash]) - -/* - * Network address hash list element - */ -union nethostaddr { - u_int32_t had_inetaddr; - struct sockaddr *had_nam; -}; - -struct nfsuid { - TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ - LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ - int nu_flag; /* Flags */ - union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ - struct ucred nu_cr; /* Cred uid mapped to */ - int nu_expire; /* Expiry time (sec) */ - struct timeval nu_timestamp; /* Kerb. timestamp */ - u_int32_t nu_nickname; /* Nickname on server */ - NFSKERBKEY_T nu_key; /* and session key */ -}; - -#define nu_inetaddr nu_haddr.had_inetaddr -#define nu_nam nu_haddr.had_nam -/* Bits for nu_flag */ -#define NU_INETADDR 0x1 -#define NU_NAM 0x2 -#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) - -struct nfsrv_rec { - STAILQ_ENTRY(nfsrv_rec) nr_link; - struct sockaddr *nr_address; - struct mbuf *nr_packet; -}; - -struct nfssvc_sock { - TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ - TAILQ_HEAD(, nfsuid) ns_uidlruhead; - struct file *ns_fp; - struct socket *ns_so; - struct sockaddr *ns_nam; - struct mbuf *ns_raw; - struct mbuf *ns_rawend; - STAILQ_HEAD(, nfsrv_rec) ns_rec; - struct mbuf *ns_frag; - int ns_flag; - int ns_solock; - int ns_cc; - int ns_reclen; - int ns_numuids; - u_int32_t ns_sref; - LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ - LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; - LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; -}; - -/* Bits for "ns_flag" */ -#define SLP_VALID 0x01 -#define SLP_DOREC 0x02 -#define SLP_NEEDQ 0x04 -#define SLP_DISCONN 0x08 -#define SLP_GETSTREAM 0x10 -#define SLP_LASTFRAG 0x20 -#define SLP_ALLFLAGS 0xff - -extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; -extern int nfssvc_sockhead_flag; -#define SLP_INIT 0x01 -#define SLP_WANTINIT 0x02 - -/* - * One of these structures is allocated for each nfsd. - */ -struct nfsd { - TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ - int nfsd_flag; /* NFSD_ flags */ - struct nfssvc_sock *nfsd_slp; /* Current socket */ - int nfsd_authlen; /* Authenticator len */ - u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ - int nfsd_verflen; /* and the Verifier */ - u_char nfsd_verfstr[RPCVERF_MAXSIZ]; - struct thread *nfsd_td; /* daemon thread ptr */ - struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ -}; - -/* Bits for "nfsd_flag" */ -#define NFSD_WAITING 0x01 -#define NFSD_REQINPROG 0x02 -#define NFSD_NEEDAUTH 0x04 -#define NFSD_AUTHFAIL 0x08 - -/* - * This structure is used by the server for describing each request. - * Some fields are used only when write request gathering is performed. - */ -struct nfsrv_descript { - u_quad_t nd_time; /* Write deadline (usec) */ - off_t nd_off; /* Start byte offset */ - off_t nd_eoff; /* and end byte offset */ - LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ - LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ - LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ - struct mbuf *nd_mrep; /* Request mbuf list */ - struct mbuf *nd_md; /* Current dissect mbuf */ - struct mbuf *nd_mreq; /* Reply mbuf list */ - struct sockaddr *nd_nam; /* and socket addr */ - struct sockaddr *nd_nam2; /* return socket addr */ - caddr_t nd_dpos; /* Current dissect pos */ - u_int32_t nd_procnum; /* RPC # */ - int nd_stable; /* storage type */ - int nd_flag; /* nd_flag */ - int nd_len; /* Length of this write */ - int nd_repstat; /* Reply status */ - u_int32_t nd_retxid; /* Reply xid */ - u_int32_t nd_duration; /* Lease duration */ - struct timeval nd_starttime; /* Time RPC initiated */ - fhandle_t nd_fh; /* File handle */ - struct ucred nd_cr; /* Credentials */ + int srvrpccnt[NFS_NPROCS]; }; -/* Bits for "nd_flag" */ -#define ND_READ LEASE_READ -#define ND_WRITE LEASE_WRITE -#define ND_CHECK 0x04 -#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) -#define ND_NFSV3 0x08 -#define ND_NQNFS 0x10 -#define ND_KERBNICK 0x20 -#define ND_KERBFULL 0x40 -#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) - -extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; -extern int nfsd_head_flag; -#define NFSD_CHECKSLP 0x01 - -/* - * These macros compare nfsrv_descript structures. - */ -#define NFSW_CONTIG(o, n) \ - ((o)->nd_eoff >= (n)->nd_off && \ - !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) - -#define NFSW_SAMECRED(o, n) \ - (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ - !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ - sizeof (struct ucred))) - -/* - * Defines for WebNFS - */ - -#define WEBNFS_ESC_CHAR '%' -#define WEBNFS_SPECCHAR_START 0x80 - -#define WEBNFS_NATIVE_CHAR 0x80 -/* - * .. - * Possibly more here in the future. - */ - -/* - * Macro for converting escape characters in WebNFS pathnames. - * Should really be in libkern. - */ - -#define HEXTOC(c) \ - ((c) >= 'a' ? ((c) - ('a' - 10)) : \ - ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) -#define HEXSTRTOI(p) \ - ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) - -#ifdef NFS_DEBUG - -extern int nfs_debug; -#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ -#define NFS_DEBUG_WG 2 /* server write gathering */ -#define NFS_DEBUG_RC 4 /* server request caching */ - -#define NFS_DPF(cat, args) \ - do { \ - if (nfs_debug & NFS_DEBUG_##cat) printf args; \ - } while (0) - -#else - -#define NFS_DPF(cat, args) - -#endif - -u_quad_t nfs_curusec __P((void)); -int nfs_init __P((struct vfsconf *vfsp)); -int nfs_uninit __P((struct vfsconf *vfsp)); -int nfs_reply __P((struct nfsreq *)); -int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); -int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, - struct nfsreq *)); -int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, - int, int, u_quad_t *, struct mbuf **, struct mbuf **, - caddr_t *)); -int nfs_sndlock __P((struct nfsreq *)); -void nfs_sndunlock __P((struct nfsreq *)); -int nfs_slplock __P((struct nfssvc_sock *, int)); -void nfs_slpunlock __P((struct nfssvc_sock *)); -int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct thread *, - int)); -int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, - int *)); -int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt, - struct ucred *cred, struct thread *td)); -int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_asyncio __P((struct buf *, struct ucred *, struct thread *)); -int nfs_doio __P((struct buf *, struct ucred *, struct thread *)); -int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); -int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, - struct nfs_fattr *)); -void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, - struct vattr *, struct mbuf **, char **)); -void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, - struct mbuf **, char **)); -int netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); -int nfs_request __P((struct vnode *, struct mbuf *, int, struct thread *, - struct ucred *, struct mbuf **, struct mbuf **, - caddr_t *)); -int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, - struct vattr *, int)); -int nfs_namei __P((struct nameidata *, fhandle_t *, int, - struct nfssvc_sock *, struct sockaddr *, struct mbuf **, - caddr_t *, struct vnode **, struct thread *, int, int)); -void nfsm_adj __P((struct mbuf *, int, int)); -int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); -void nfsrv_initcache __P((void)); -int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, - char **, int *, char *, int *, NFSKERBKEY_T)); -int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, - int *, char *, int)); -int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, - NFSKERBKEY_T, struct mbuf **, char **, - struct mbuf *)); -int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); -void nfs_nhinit __P((void)); -void nfs_timer __P((void*)); -int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, - struct nfsrv_descript **)); -int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, - struct mbuf **)); -void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); -void nfsrv_cleancache __P((void)); -int nfs_connect __P((struct nfsmount *, struct nfsreq *)); -void nfs_disconnect __P((struct nfsmount *)); -void nfs_safedisconnect __P((struct nfsmount *)); -int nfs_getattrcache __P((struct vnode *, struct vattr *)); -int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); -int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *)); -int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); -void nfsrv_init __P((int)); -void nfs_clearcommit __P((struct mount *)); -int nfsrv_errmap __P((struct nfsrv_descript *, int)); -void nfsrvw_sort __P((gid_t *, int)); -void nfsrv_setcred __P((struct ucred *, struct ucred *)); -int nfs_writebp __P((struct buf *, int, struct thread *)); -int nfsrv_object_create __P((struct vnode *)); -void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); -int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, - struct thread *, struct mbuf **)); -int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, - struct thread *td)); - -int nfsrv3_access __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, - struct nfssvc_sock *, struct sockaddr *, int *, - int, int)); -int nfsrv_setpublicfs __P((struct mount *, struct netexport *, - struct export_args *)); -int nfs_ispublicfh __P((fhandle_t *)); -int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_readdir __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_readlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct thread *td, - struct mbuf **mrq)); -int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_setattr __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_statfs __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_symlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct thread *td, struct mbuf **mrq)); -void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag)); -void nfsrv_slpderef __P((struct nfssvc_sock *slp)); -#endif /* _KERNEL */ - #endif |