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Diffstat (limited to 'contrib/amd/amd/amd.h')
| -rw-r--r-- | contrib/amd/amd/amd.h | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/contrib/amd/amd/amd.h b/contrib/amd/amd/amd.h new file mode 100644 index 0000000..610dfe2 --- /dev/null +++ b/contrib/amd/amd/amd.h @@ -0,0 +1,303 @@ +/* + * Copyright (c) 1997-1998 Erez Zadok + * Copyright (c) 1990 Jan-Simon Pendry + * Copyright (c) 1990 Imperial College of Science, Technology & Medicine + * Copyright (c) 1990 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. + * + * %W% (Berkeley) %G% + * + * $Id: amd.h,v 1.1 1996/01/13 23:23:39 ezk Exp ezk $ + * + */ + +#ifndef _AMD_H +#define _AMD_H + + +/* + * MACROS: + */ + +/* options for amd.conf */ +#define CFM_BROWSABLE_DIRS 0x0001 +#define CFM_MOUNT_TYPE_AUTOFS 0x0002 +#define CFM_ENABLE_DEFAULT_SELECTORS 0x0004 +#define CFM_NORMALIZE_HOSTNAMES 0x0008 +#define CFM_PROCESS_LOCK 0x0010 +#define CFM_PRINT_PID 0x0020 +#define CFM_RESTART_EXISTING_MOUNTS 0x0040 +#define CFM_SHOW_STATFS_ENTRIES 0x0080 +#define CFM_FULLY_QUALIFIED_HOSTS 0x0100 +#define CFM_BROWSABLE_DIRS_FULL 0x0200 /* allow '/' in readdir() */ +#define CFM_UNMOUNT_ON_EXIT 0x0400 /* when amd finishing */ + +/* some systems (SunOS 4.x) neglect to define the mount null message */ +#ifndef MOUNTPROC_NULL +# define MOUNTPROC_NULL ((u_long)(0)) +#endif /* not MOUNTPROC_NULL */ + +/* Hash table size */ +#define NKVHASH (1 << 2) /* Power of two */ + +/* interval between forced retries of a mount */ +#define RETRY_INTERVAL 2 + +#define ereturn(x) { *error_return = x; return 0; } + + +/* + * TYPEDEFS: + */ + +typedef struct cf_map cf_map_t; +typedef struct kv kv; +/* + * Cache map operations + */ +typedef void add_fn(mnt_map *, char *, char *); +typedef int init_fn(mnt_map *, char *, time_t *); +typedef int mtime_fn(mnt_map *, char *, time_t *); +typedef int isup_fn(mnt_map *, char *); +typedef int reload_fn(mnt_map *, char *, add_fn *); +typedef int search_fn(mnt_map *, char *, char *, char **, time_t *); + + + +/* + * STRUCTURES: + */ + +/* global amd options that are manipulated by conf.c */ +struct amu_global_options { + char *arch; /* name of current architecture */ + char *auto_dir; /* automounter temp dir */ + char *cluster; /* cluster name */ + char *karch; /* kernel architecture */ + char *logfile; /* amd log file */ + char *op_sys; /* operating system name */ + char *op_sys_ver; /* OS version */ + char *pid_file; /* PID file */ + char *sub_domain; /* local domain */ + char *map_options; /* global map options */ + char *map_type; /* global map type */ + char *search_path; /* search path for maps */ + char *mount_type; /* mount type for map */ + u_int flags; /* various CFM_* flags */ + int amfs_auto_retrans; /* NFS retransmit counter */ + int amfs_auto_timeo; /* NFS retry interval */ + int am_timeo; /* cache duration */ + int am_timeo_w; /* dismount interval */ + int portmap_program; /* amd RPC program number */ +#ifdef HAVE_MAP_HESIOD + char *hesiod_base; /* Hesiod rhs */ +#endif /* HAVE_MAP_HESIOD */ +#ifdef HAVE_MAP_LDAP + char *ldap_base; /* LDAP base */ + char *ldap_hostports; /* LDAP host ports */ + long ldap_cache_seconds; /* LDAP internal cache - keep seconds */ + long ldap_cache_maxmem; /* LDAP internal cache - max memory (bytes) */ +#endif /* HAVE_MAP_LDAP */ +#ifdef HAVE_MAP_NIS + char *nis_domain; /* YP domain name */ +#endif /* HAVE_MAP_NIS */ +}; + +/* if you add anything here, update conf.c:reset_cf_map() */ +struct cf_map { + char *cfm_dir; /* /home, /u, /src */ + char *cfm_name; /* amd.home, /etc/amd.home ... */ + char *cfm_type; /* file, hesiod, ndbm, nis ... */ + char *cfm_opts; /* -cache:=all, etc. */ + char *cfm_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */ + char *cfm_tag; /* optional map tag for amd -T */ + u_int cfm_flags; /* browsable_dirs? mount_type? */ +}; + +/* + * Key-value pair + */ +struct kv { + kv *next; + char *key; +#ifdef HAVE_REGEXEC + regex_t re; /* store the regexp from regcomp() */ +#endif /* HAVE_REGEXEC */ + char *val; +}; + +struct mnt_map { + qelem hdr; + int refc; /* Reference count */ + short flags; /* Allocation flags */ + short alloc; /* Allocation mode */ + time_t modify; /* Modify time of map */ + char *map_name; /* Name of this map */ + char *wildcard; /* Wildcard value */ + reload_fn *reload; /* Function to be used for reloads */ + isup_fn *isup; /* Is service up or not? (1=up, 0=down) */ + search_fn *search; /* Function to be used for searching */ + mtime_fn *mtime; /* Modify time function */ + kv *kvhash[NKVHASH]; /* Cached data */ + /* options available via amd conf file */ + char *cf_map_type; /* file, hesiod, ndbm, nis, etc. */ + char *cf_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */ + void *map_data; /* Map data black box */ +}; + +/* + * Mounting a file system may take a significant period of time. The + * problem is that if this is done in the main process thread then + * the entire automounter could be blocked, possibly hanging lots of + * processes on the system. Instead we use a continuation scheme to + * allow mounts to be attempted in a sub-process. When the sub-process + * exits we pick up the exit status (by convention a UN*X error number) + * and continue in a notifier. The notifier gets handed a data structure + * and can then determine whether the mount was successful or not. If + * not, it updates the data structure and tries again until there are no + * more ways to try the mount, or some other permanent error occurs. + * In the mean time no RPC reply is sent, even after the mount is succesful. + * We rely on the RPC retry mechanism to resend the lookup request which + * can then be handled. + */ +struct continuation { + char **ivec; /* Current mount info */ + am_node *mp; /* Node we are trying to mount */ + char *key; /* Map key */ + char *info; /* Info string */ + char **xivec; /* Saved strsplit vector */ + char *auto_opts; /* Automount options */ + am_opts fs_opts; /* Filesystem options */ + char *def_opts; /* Default automount options */ + int retry; /* Try again? */ + int tried; /* Have we tried any yet? */ + time_t start; /* Time we started this mount */ + int callout; /* Callout identifier */ +}; + + +/* + * EXTERNALS: + */ + +/* Amq server global functions */ +extern amq_mount_info_list *amqproc_getmntfs_1_svc(voidp argp, struct svc_req *rqstp); +extern amq_mount_stats *amqproc_stats_1_svc(voidp argp, struct svc_req *rqstp); +extern amq_mount_tree_list *amqproc_export_1_svc(voidp argp, struct svc_req *rqstp); +extern amq_mount_tree_p *amqproc_mnttree_1_svc(voidp argp, struct svc_req *rqstp); +extern amq_string *amqproc_getvers_1_svc(voidp argp, struct svc_req *rqstp); +extern int *amqproc_getpid_1_svc(voidp argp, struct svc_req *rqstp); +extern int *amqproc_mount_1_svc(voidp argp, struct svc_req *rqstp); +extern int *amqproc_setopt_1_svc(voidp argp, struct svc_req *rqstp); +extern voidp amqproc_null_1_svc(voidp argp, struct svc_req *rqstp); +extern voidp amqproc_umnt_1_svc(voidp argp, struct svc_req *rqstp); + +/* other external definitions */ +extern am_nfs_fh *root_fh(char *dir); +extern am_node * autofs_lookuppn(am_node *mp, char *fname, int *error_return, int op); +extern am_node *find_ap(char *); +extern am_node *find_ap2(char *, am_node *); +extern bool_t xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead); +extern fserver *find_nfs_srvr(mntfs *mf); +extern int auto_fmount(am_node *mp); +extern int auto_fumount(am_node *mp); +extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *dir, char *fs_name, char *opts, mntfs *mf); +extern int process_last_regular_map(void); +extern int set_conf_kv(const char *section, const char *k, const char *v); +extern int try_mount(voidp mvp); +extern int yyparse (void); +extern nfsentry *make_entry_chain(am_node *mp, const nfsentry *current_chain, int fully_browsable); +extern void amfs_auto_cont(int rc, int term, voidp closure); +extern void amfs_auto_mkcacheref(mntfs *mf); +extern void amfs_auto_retry(int rc, int term, voidp closure); +extern void assign_error_mntfs(am_node *mp); +extern void flush_srvr_nfs_cache(void); +extern void free_continuation(struct continuation *cp); +extern void mf_mounted(mntfs *mf); +extern void quick_reply(am_node *mp, int error); +extern void root_newmap(const char *, const char *, const char *, const cf_map_t *); + +/* amd global variables */ +extern FILE *yyin; +extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ +extern char *conf_tag; +extern int NumChild; +extern int fwd_sock; +extern int select_intr_valid; +extern int usage; +extern int use_conf_file; /* use amd configuration file */ +extern jmp_buf select_intr; +extern qelem mfhead; +extern struct amu_global_options gopt; /* where global options are stored */ + +#ifdef HAVE_SIGACTION +extern sigset_t masked_sigs; +#endif /* HAVE_SIGACTION */ + +#if defined(HAVE_AM_FS_LINK) || defined(HAVE_AM_FS_LINKX) +extern char *amfs_link_match(am_opts *fo); +extern int amfs_link_fumount(mntfs *mf); +#endif /* defined(HAVE_AM_FS_LINK) || defined(HAVE_AM_FS_LINKX) */ + +#ifdef HAVE_AM_FS_NFSL +extern char *nfs_match(am_opts *fo); +#endif /* HAVE_AM_FS_NFSL */ + +#if defined(HAVE_FS_NFS3) && !defined(HAVE_XDR_MOUNTRES3) +extern bool_t xdr_mountres3(XDR *xdrs, mountres3 *objp); +#endif /* defined(HAVE_FS_NFS3) && !defined(HAVE_XDR_MOUNTRES3) */ + +#ifdef HAVE_FS_AUTOFS +extern SVCXPRT *autofsxprt; +extern u_short autofs_port; + +extern int autofs_mount(am_node *mp); +extern int autofs_umount(am_node *mp); +extern int create_autofs_service(int *soAUTOFSp, u_short *autofs_portp, SVCXPRT **autofs_xprtp, void (*dispatch_fxn)(struct svc_req *rqstp, SVCXPRT *transp)); +extern int svc_create_local_service(void (*dispatch) (), u_long prognum, u_long versnum, char *nettype, char *servname); +extern void autofs_mounted(mntfs *mf); +extern void autofs_program_1(struct svc_req *rqstp, SVCXPRT *transp); +#endif /* HAVE_FS_AUTOFS */ + +/* Unix file system (irix) */ +#ifdef HAVE_FS_XFS +extern am_ops xfs_ops; /* Un*x file system */ +#endif /* HAVE_FS_XFS */ + +/* Unix file system (irix) */ +#ifdef HAVE_FS_EFS +extern am_ops efs_ops; /* Un*x file system */ +#endif /* HAVE_FS_EFS */ + +#endif /* not _AMD_H */ |
