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Diffstat (limited to 'usr.sbin/amd/include/am.h')
| -rw-r--r-- | usr.sbin/amd/include/am.h | 567 |
1 files changed, 0 insertions, 567 deletions
diff --git a/usr.sbin/amd/include/am.h b/usr.sbin/amd/include/am.h deleted file mode 100644 index 58a1d8e..0000000 --- a/usr.sbin/amd/include/am.h +++ /dev/null @@ -1,567 +0,0 @@ -/* - * Copyright (c) 1990 Jan-Simon Pendry - * Copyright (c) 1990 Imperial College of Science, Technology & Medicine - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry at Imperial College, London. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)am.h 5.6 (Berkeley) 6/6/93 - * - * $Id$ - * - */ - -#include "config.h" - -/* - * Global declarations - */ -#include <sys/param.h> -#include <sys/socket.h> -#include <rpc/rpc.h> -#include "nfs_prot.h" -#ifdef MNTENT_HDR -#include MNTENT_HDR -#endif /* MNTENT_HDR */ -#include <assert.h> - -#ifdef DEBUG_MEM -#include <malloc.h> -#endif /* DEBUG_MEM */ - -#ifndef MAXHOSTNAMELEN -#define MAXHOSTNAMELEN 64 -#endif /* MAXHOSTNAMELEN */ - -#ifndef MNTTYPE_AUTO -#define MNTTYPE_AUTO "auto" -#endif /* MNTTYPE_AUTO */ - -#ifndef FALSE -#define FALSE 0 -#define TRUE 1 -#endif /* FALSE */ - -#ifndef ROOT_MAP -#define ROOT_MAP "\"root\"" -#endif /* ROOT_MAP */ - -/* - * Flags from command line - */ -extern int print_pid; /* Print pid to stdout */ -extern int normalize_hosts; /* Normalize host names before use */ -extern int restart_existing_mounts; -#ifdef HAS_NIS_MAPS -extern char *domain; /* NIS domain to use */ -#endif /* HAS_NIS_MAPS */ -extern int am_timeo; /* Cache period */ -extern int afs_timeo; /* AFS timeout */ -extern int afs_retrans; /* AFS retrans */ -extern int am_timeo_w; /* Unmount timeout */ -extern char *mtab; /* Mount table */ - -typedef enum { - Start, - Run, - Finishing, - Quit, - Done -} serv_state; - -extern serv_state amd_state; /* Should we go now */ -extern int immediate_abort; /* Should close-down unmounts be retried */ -extern time_t do_mapc_reload; /* Flush & reload mount map cache */ - -/* - * Useful constants - */ -extern char pid_fsname[]; /* kiska.southseas.nz:(pid%d) */ -extern char hostd[]; /* "kiska.southseas.nz" */ -extern char *hostdomain; /* "southseas.nz" */ -extern char *op_sys; /* "sos4" */ -extern char *arch; /* "sun4" */ -extern char *karch; /* "sun4c" */ -extern char *cluster; /* "r+d-kluster" */ -extern char *endian; /* "big" */ -extern char *auto_dir; /* "/a" */ -extern char copyright[]; /* Copyright info */ -extern char version[]; /* Version info */ - -typedef struct am_ops am_ops; -typedef struct am_node am_node; -typedef struct am_opts am_opts; -typedef struct mntfs mntfs; -typedef struct fserver fserver; -typedef struct fsrvinfo fsrvinfo; - -/* - * Debug defns. - */ -#ifdef DEBUG -#define DEBUG_MTAB "./mtab" - -extern int debug_flags; /* Debug options */ - -#define D_DAEMON 0x0001 /* Enter daemon mode */ -#define D_TRACE 0x0002 /* Do protocol trace */ -#define D_FULL 0x0004 /* Do full trace */ -#define D_MTAB 0x0008 /* Use local mtab */ -#define D_AMQ 0x0010 /* Register amq program */ -#define D_STR 0x0020 /* Debug string munging */ -#define D_MEM 0x0040 /* Trace memory allocations */ - -/* - * Normally, don't enter daemon mode, and don't register amq - */ -#define D_TEST (~(D_DAEMON|D_MEM|D_STR)) -#endif /* DEBUG */ - -/* - * Global variables. - */ -extern unsigned short nfs_port; /* Our NFS service port */ -extern struct in_addr myipaddr; /* (An) IP address of this host */ - -extern int foreground; /* Foreground process */ -extern time_t next_softclock; /* Time to call softclock() */ -extern int task_notify_todo; /* Task notifier needs running */ -#ifdef HAS_TFS -extern int nfs_server_code_available; -#endif /* HAS_TFS */ -extern int last_used_map; /* Last map being used for mounts */ -extern AUTH *nfs_auth; /* Dummy uthorisation for remote servers */ -extern am_node **exported_ap; /* List of nodes */ -extern int first_free_map; /* First free node */ -extern am_node *root_node; /* Node for "root" */ -extern char *wire; /* Name of primary connected network */ -#define NEXP_AP (254) -#define NEXP_AP_MARGIN (128) - -typedef int (*task_fun)P((voidp)); -typedef void (*cb_fun)P((int, int, voidp)); -typedef void (*fwd_fun)P((voidp, int, struct sockaddr_in *, - struct sockaddr_in *, voidp, int)); - -/* - * String comparison macros - */ -#define STREQ(s1, s2) (strcmp((s1), (s2)) == 0) -#define FSTREQ(s1, s2) ((*(s1) == *(s2)) && STREQ((s1),(s2))) - -/* - * Linked list - */ -typedef struct qelem qelem; -struct qelem { - qelem *q_forw; - qelem *q_back; -}; -#define FIRST(ty, q) ((ty *) ((q)->q_forw)) -#define LAST(ty, q) ((ty *) ((q)->q_back)) -#define NEXT(ty, q) ((ty *) (((qelem *) q)->q_forw)) -#define PREV(ty, q) ((ty *) (((qelem *) q)->q_back)) -#define HEAD(ty, q) ((ty *) q) -#define ITER(v, ty, q) \ - for ((v) = FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v))) - -/* - * List of mount table entries - */ -typedef struct mntlist mntlist; -struct mntlist { - struct mntlist *mnext; - struct mntent *mnt; -}; - -/* - * Mount map - */ -typedef struct mnt_map mnt_map; - -/* - * Global routines - */ -extern int atoi P((Const char *)); /* C */ -extern void am_mounted P((am_node*)); -extern void am_unmounted P((am_node*)); -extern int background(P_void); -extern int bind_resv_port P((int, unsigned short*)); -extern int compute_mount_flags P((struct mntent *)); -extern int softclock(P_void); -#ifdef DEBUG -extern int debug_option P((char*)); -#endif /* DEBUG */ -extern void deslashify P((char*)); -/*extern void domain_strip P((char*, char*));*/ -extern mntfs* dup_mntfs P((mntfs*)); -extern fserver* dup_srvr P((fserver*)); -extern int eval_fs_opts P((am_opts*, char*, char*, char*, char*, char*)); -extern char* expand_key P((char*)); -extern am_node* exported_ap_alloc(P_void); -extern am_node* find_ap P((char*)); -extern am_node* find_mf P((mntfs*)); -extern mntfs* find_mntfs P((am_ops*, am_opts*, char*, char*, char*, char*, char*)); -extern void flush_mntfs(P_void); -extern void flush_nfs_fhandle_cache P((fserver*)); -extern void forcibly_timeout_mp P((am_node*)); -extern FREE_RETURN_TYPE free P((voidp)); /* C */ -extern void free_mntfs P((mntfs*)); -extern void free_opts P((am_opts*)); -extern void free_map P((am_node*)); -extern void free_mntlist P((mntlist*)); -extern void free_srvr P((fserver*)); -extern int fwd_init(P_void); -extern int fwd_packet P((int, voidp, int, struct sockaddr_in *, - struct sockaddr_in *, voidp, fwd_fun)); -extern void fwd_reply(P_void); -extern void get_args P((int, char*[])); -extern char *getwire P((void)); -#ifdef NEED_MNTOPT_PARSER -extern char *hasmntopt P((struct mntent*, char*)); -#endif /* NEED_MNTOPT_PARSER */ -extern int hasmntval P((struct mntent*, char*)); -extern void host_normalize P((char **)); -extern char *inet_dquad P((char*, unsigned long)); -extern void init_map P((am_node*, char*)); -extern void insert_am P((am_node*, am_node*)); -extern void ins_que P((qelem*, qelem*)); -extern int islocalnet P((unsigned long)); -extern int make_nfs_auth P((void)); -extern void make_root_node(P_void); -extern int make_rpc_packet P((char*, int, u_long, struct rpc_msg*, voidp, xdrproc_t, AUTH*)); -extern void map_flush_srvr P((fserver*)); -extern void mapc_add_kv P((mnt_map*, char*, char*)); -extern mnt_map* mapc_find P((char*, char*)); -extern void mapc_free P((mnt_map*)); -extern int mapc_keyiter P((mnt_map*, void (*)(char*,voidp), voidp)); -extern int mapc_search P((mnt_map*, char*, char**)); -extern void mapc_reload(P_void); -extern void mapc_showtypes P((FILE*)); -extern int mkdirs P((char*, int)); -extern void mk_fattr P((am_node*, enum ftype)); -extern void mnt_free P((struct mntent*)); -extern int mount_auto_node P((char*, voidp)); -extern int mount_automounter P((int)); -extern int mount_exported(P_void); -extern int mount_fs P((struct mntent*, int, caddr_t, int, MTYPE_TYPE)); -/*extern int mount_nfs_fh P((struct fhstatus*, char*, char*, char*, mntfs*));*/ -extern int mount_node P((am_node*)); -extern mntfs* new_mntfs(P_void); -extern void new_ttl P((am_node*)); -extern am_node* next_map P((int*)); -extern int nfs_srvr_port P((fserver*, u_short*, voidp)); -extern void normalize_slash P((char*)); -extern void ops_showfstypes P((FILE*)); -extern int pickup_rpc_reply P((voidp, int, voidp, xdrproc_t)); -extern mntlist* read_mtab P((char*)); -extern mntfs* realloc_mntfs P((mntfs*, am_ops*, am_opts*, char*, char*, char*, char*, char*)); -extern void rem_que P((qelem*)); -extern void reschedule_timeout_mp(P_void); -extern void restart(P_void); -#ifdef UPDATE_MTAB -extern void rewrite_mtab P((mntlist *)); -#endif /* UPDATE_MTAB */ -extern void rmdirs P((char*)); -extern am_node* root_ap P((char*, int)); -extern int root_keyiter P((void (*)(char*,voidp), voidp)); -extern void root_newmap P((char*, char*, char*)); -extern void rpc_msg_init P((struct rpc_msg*, u_long, u_long, u_long)); -extern void run_task P((task_fun, voidp, cb_fun, voidp)); -extern void sched_task P((cb_fun, voidp, voidp)); -extern void show_rcs_info P((Const char*, char*)); -extern void sigchld P((int)); -extern void srvrlog P((fserver*, char*)); -extern char* str3cat P((char*, char*, char*, char*)); -extern char* strcat P((char*, Const char*)); /* C */ -extern int strcmp P((Const char*, Const char*)); /* C */ -extern char* strdup P((Const char*)); -extern int strlen P((Const char*)); /* C */ -extern char* strnsave P((Const char*, int)); -extern char* strrchr P((Const char*, int)); /* C */ -extern char* strealloc P((char*, char *)); -extern char** strsplit P((char*, int, int)); -extern int switch_option P((char*)); -extern int switch_to_logfile P((char*)); -extern void do_task_notify(P_void); -extern int timeout P((unsigned int, void (*fn)(), voidp)); -extern void timeout_mp(P_void); -extern void umount_exported(P_void); -extern int umount_fs P((char*)); -/*extern int unmount_node P((am_node*)); -extern int unmount_node_wrap P((voidp));*/ -extern void unregister_amq(P_void); -extern void untimeout P((int)); -extern int valid_key P((char*)); -extern void wakeup P((voidp)); -extern void wakeup_task P((int,int,voidp)); -extern void wakeup_srvr P((fserver*)); -extern void write_mntent P((struct mntent*)); -#ifdef UPDATE_MTAB -extern void unlock_mntlist P((void)); -#else -#define unlock_mntlist() -#endif /* UPDATE_MTAB */ - - -#define ALLOC(ty) ((struct ty *) xmalloc(sizeof(struct ty))) - -/* - * Options - */ -struct am_opts { - char *fs_glob; /* Smashed copy of global options */ - char *fs_local; /* Expanded copy of local options */ - char *fs_mtab; /* Mount table entry */ - /* Other options ... */ - char *opt_dev; - char *opt_delay; - char *opt_dir; - char *opt_fs; - char *opt_group; - char *opt_mount; - char *opt_opts; - char *opt_remopts; - char *opt_pref; - char *opt_cache; - char *opt_rfs; - char *opt_rhost; - char *opt_sublink; - char *opt_type; - char *opt_unmount; - char *opt_user; -}; - -/* - * File Handle - * - * This is interpreted by indexing the exported array - * by fhh_id. - * - * The whole structure is mapped onto a standard fhandle_t - * when transmitted. - */ -struct am_fh { - int fhh_pid; /* process id */ - int fhh_id; /* map id */ - int fhh_gen; /* generation number */ -}; - -extern am_node *fh_to_mp P((nfs_fh*)); -extern am_node *fh_to_mp3 P((nfs_fh*,int*,int)); -extern void mp_to_fh P((am_node*, nfs_fh*)); -#define fh_to_mp2(fhp, rp) fh_to_mp3(fhp, rp, VLOOK_CREATE) -extern int auto_fmount P((am_node *mp)); -extern int auto_fumount P((am_node *mp)); - -#define MAX_READDIR_ENTRIES 16 - -typedef char* (*vfs_match)P((am_opts*)); -typedef int (*vfs_init)P((mntfs*)); -typedef int (*vmount_fs)P((am_node*)); -typedef int (*vfmount_fs)P((mntfs*)); -typedef int (*vumount_fs)P((am_node*)); -typedef int (*vfumount_fs)P((mntfs*)); -typedef am_node*(*vlookuppn)P((am_node*, char*, int*, int)); -typedef int (*vreaddir)P((am_node*, nfscookie, dirlist*, entry*, int)); -typedef am_node*(*vreadlink)P((am_node*, int*)); -typedef void (*vmounted)P((mntfs*)); -typedef void (*vumounted)P((am_node*)); -typedef fserver*(*vffserver)P((mntfs*)); - -struct am_ops { - char *fs_type; - vfs_match fs_match; - vfs_init fs_init; - vmount_fs mount_fs; - vfmount_fs fmount_fs; - vumount_fs umount_fs; - vfumount_fs fumount_fs; - vlookuppn lookuppn; - vreaddir readdir; - vreadlink readlink; - vmounted mounted; - vumounted umounted; - vffserver ffserver; - int fs_flags; -}; -extern am_node *efs_lookuppn P((am_node*, char*, int*, int)); -extern int efs_readdir P((am_node*, nfscookie, dirlist*, entry*, int)); - -#define VLOOK_CREATE 0x1 -#define VLOOK_DELETE 0x2 - -#define FS_DIRECTORY 0x0001 /* This looks like a dir, not a link */ -#define FS_MBACKGROUND 0x0002 /* Should background this mount */ -#define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */ -#define FS_MKMNT 0x0008 /* Need to make the mount point */ -#define FS_UBACKGROUND 0x0010 /* Unmount in background */ -#define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND) -#define FS_DISCARD 0x0020 /* Discard immediately on last reference */ -#define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */ - -#ifdef SUNOS4_COMPAT -extern am_ops *sunos4_match P((am_opts*, char*, char*, char*, char*, char*)); -#endif /* SUNOS4_COMPAT */ -extern am_ops *ops_match P((am_opts*, char*, char*, char*, char*, char*)); -#include "fstype.h" - -/* - * Per-mountpoint statistics - */ -struct am_stats { - time_t s_mtime; /* Mount time */ - u_short s_uid; /* Uid of mounter */ - int s_getattr; /* Count of getattrs */ - int s_lookup; /* Count of lookups */ - int s_readdir; /* Count of readdirs */ - int s_readlink; /* Count of readlinks */ - int s_statfs; /* Count of statfs */ -}; -typedef struct am_stats am_stats; - -/* - * System statistics - */ -struct amd_stats { - int d_drops; /* Dropped requests */ - int d_stale; /* Stale NFS handles */ - int d_mok; /* Succesful mounts */ - int d_merr; /* Failed mounts */ - int d_uerr; /* Failed unmounts */ -}; -extern struct amd_stats amd_stats; - -/* - * List of fileservers - */ -struct fserver { - qelem fs_q; /* List of fileservers */ - int fs_refc; /* Number of references to this node */ - char *fs_host; /* Normalized hostname of server */ - struct sockaddr_in *fs_ip; /* Network address of server */ - int fs_cid; /* Callout id */ - int fs_pinger; /* Ping (keepalive) interval */ - int fs_flags; /* Flags */ - char *fs_type; /* File server type */ - voidp fs_private; /* Private data */ - void (*fs_prfree)(); /* Free private data */ -}; -#define FSF_VALID 0x0001 /* Valid information available */ -#define FSF_DOWN 0x0002 /* This fileserver is thought to be down */ -#define FSF_ERROR 0x0004 /* Permanent error has occured */ -#define FSF_WANT 0x0008 /* Want a wakeup call */ -#define FSF_PINGING 0x0010 /* Already doing pings */ -#define FSRV_ISDOWN(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID)) -#define FSRV_ISUP(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID)) - -/* - * List of mounted filesystems - */ -struct mntfs { - qelem mf_q; /* List of mounted filesystems */ - am_ops *mf_ops; /* Operations on this mountpoint */ - am_opts *mf_fo; /* File opts */ - char *mf_mount; /* "/a/kiska/home/kiska" */ - char *mf_info; /* Mount info */ - char *mf_auto; /* Automount opts */ - char *mf_mopts; /* FS mount opts */ - char *mf_remopts; /* Remote FS mount opts */ - fserver *mf_server; /* File server */ - int mf_flags; /* Flags */ - int mf_error; /* Error code from background mount */ - int mf_refc; /* Number of references to this node */ - int mf_cid; /* Callout id */ - void (*mf_prfree)(); /* Free private space */ - voidp mf_private; /* Private - per-fs data */ -}; - -#define MFF_MOUNTED 0x0001 /* Node is mounted */ -#define MFF_MOUNTING 0x0002 /* Mount is in progress */ -#define MFF_UNMOUNTING 0x0004 /* Unmount is in progress */ -#define MFF_RESTART 0x0008 /* Restarted node */ -#define MFF_MKMNT 0x0010 /* Delete this node's am_mount */ -#define MFF_ERROR 0x0020 /* This node failed to mount */ -#define MFF_LOGDOWN 0x0040 /* Logged that this mount is down */ -#define MFF_RSTKEEP 0x0080 /* Don't timeout this filesystem - restarted */ -#define MFF_WANTTIMO 0x0100 /* Need a timeout call when not busy */ - -/* - * Map of auto-mount points. - */ -struct am_node { - int am_mapno; /* Map number */ - mntfs *am_mnt; /* Mounted filesystem */ - char *am_name; /* "kiska" - Name of this node */ - char *am_path; /* "/home/kiska" - Path of this node's mount point */ - char *am_link; /* "/a/kiska/home/kiska/this/that" - Link to sub-directory */ - am_node *am_parent, /* Parent of this node */ - *am_ysib, /* Younger sibling of this node */ - *am_osib, /* Older sibling of this node */ - *am_child; /* First child of this node */ - struct attrstat am_attr; /* File attributes */ -#define am_fattr am_attr.attrstat_u.attributes - int am_flags; /* Boolean flags */ - int am_error; /* Specific mount error */ - time_t am_ttl; /* Time to live */ - int am_timeo_w; /* Wait interval */ - int am_timeo; /* Timeout interval */ - unsigned int am_gen; /* Generation number */ - char *am_pref; /* Mount info prefix */ - am_stats am_stats; /* Statistics gathering */ -}; - -#define AMF_NOTIMEOUT 0x0001 /* This node never times out */ -#define AMF_ROOT 0x0002 /* This is a root node */ - -#define ONE_HOUR (60 * 60) /* One hour in seconds */ - -/* - * The following values can be tuned... - */ -#define ALLOWED_MOUNT_TIME 40 /* 40s for a mount */ -#define AM_TTL (5 * 60) /* Default cache period */ -#define AM_TTL_W (2 * 60) /* Default unmount interval */ -#define AM_PINGER 30 /* NFS ping interval for live systems */ -#define AFS_TIMEO 8 /* Default afs timeout - .8s */ -#define AFS_RETRANS ((ALLOWED_MOUNT_TIME*10+5*afs_timeo)/afs_timeo * 2) - /* Default afs retrans - 1/10th seconds */ - -#define RPC_XID_PORTMAP 0 -#define RPC_XID_MOUNTD 1 -#define RPC_XID_NFSPING 2 -#define RPC_XID_MASK (0x0f) /* 16 id's for now */ -#define MK_RPC_XID(type_id, uniq) ((type_id) | ((uniq) << 4)) |
