2 * Copyright (c) 1997-2006 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgment:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * File: am-utils/amd/amd.h
53 * Define a default debug mtab path for systems
54 * that support mtab on file.
56 #ifdef MOUNT_TABLE_ON_FILE
57 # define DEBUG_MNTTAB_FILE "/tmp/mnttab"
58 #endif /* MOUNT_TABLE_ON_FILE */
60 /* options for amd.conf */
61 #define CFM_BROWSABLE_DIRS 0x00000001
62 #define CFM_MOUNT_TYPE_AUTOFS 0x00000002 /* use kernel autofs support */
63 #define CFM_SELECTORS_IN_DEFAULTS 0x00000004
64 #define CFM_NORMALIZE_HOSTNAMES 0x00000008
65 #define CFM_PROCESS_LOCK 0x00000010
66 #define CFM_PRINT_PID 0x00000020
67 #define CFM_RESTART_EXISTING_MOUNTS 0x00000040
68 #define CFM_SHOW_STATFS_ENTRIES 0x00000080
69 #define CFM_FULLY_QUALIFIED_HOSTS 0x00000100
70 #define CFM_BROWSABLE_DIRS_FULL 0x00000200 /* allow '/' in readdir() */
71 #define CFM_UNMOUNT_ON_EXIT 0x00000400 /* when amd finishing */
72 #define CFM_USE_TCPWRAPPERS 0x00000800
73 #define CFM_AUTOFS_USE_LOFS 0x00001000
74 #define CFM_NFS_INSECURE_PORT 0x00002000
75 #define CFM_DOMAIN_STRIP 0x00004000
76 #define CFM_NORMALIZE_SLASHES 0x00008000 /* normalize slashes? */
77 #define CFM_FORCED_UNMOUNTS 0x00010000 /* forced unmounts? */
78 #define CFM_TRUNCATE_LOG 0x00020000 /* truncate log file? */
80 /* XXX: reserved to sync up with am-utils-6.2 */
81 #define CFM_SUN_MAP_SYNTAX 0x00040000 /* Sun map syntax? */
83 #define CFM_NFS_ANY_INTERFACE 0x00080000 /* all interfaces are acceptable */
85 /* defaults global flags: plock, tcpwrappers, and autofs/lofs */
86 #define CFM_DEFAULT_FLAGS (CFM_PROCESS_LOCK|CFM_USE_TCPWRAPPERS|CFM_AUTOFS_USE_LOFS|CFM_DOMAIN_STRIP|CFM_NORMALIZE_SLASHES)
89 * macro definitions for automounter vfs/vnode operations.
91 #define VLOOK_CREATE 0x1
92 #define VLOOK_DELETE 0x2
93 #define VLOOK_LOOKUP 0x3
96 * macro definitions for automounter vfs capabilities
98 #define FS_DIRECTORY 0x0001 /* This looks like a dir, not a link */
99 #define FS_MBACKGROUND 0x0002 /* Should background this mount */
100 #define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */
101 #define FS_MKMNT 0x0008 /* Need to make the mount point */
102 #define FS_UBACKGROUND 0x0010 /* Unmount in background */
103 #define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND)
104 #define FS_DISCARD 0x0020 /* Discard immediately on last reference */
105 #define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */
106 #define FS_AUTOFS 0x0080 /* This filesystem can be an autofs f/s */
107 #define FS_DIRECT 0x0100 /* Direct mount */
108 #define FS_ON_AUTOFS 0x0200 /* This filesystem can be mounted directly
109 onto an autofs mountpoint */
112 * macros for struct am_node (map of auto-mount points).
114 #define AMF_NOTIMEOUT 0x0001 /* This node never times out */
115 #define AMF_ROOT 0x0002 /* This is a root node */
116 #define AMF_AUTOFS 0x0004 /* This node is part of an autofs filesystem */
117 #define AMF_REMOUNT 0x0008 /* This node needs to be remounted */
118 #define AMF_SOFTLOOKUP 0x0010 /* This node returns EIO if server is down */
121 * macros for struct mntfs (list of mounted filesystems)
123 #define MFF_MOUNTED 0x0001 /* Node is mounted */
124 #define MFF_MOUNTING 0x0002 /* Mount is in progress */
125 #define MFF_UNMOUNTING 0x0004 /* Unmount is in progress */
126 #define MFF_RESTART 0x0008 /* Restarted node */
127 #define MFF_MKMNT 0x0010 /* Delete this node's am_mount */
128 #define MFF_ERROR 0x0020 /* This node failed to mount */
129 #define MFF_LOGDOWN 0x0040 /* Logged that this mount is down */
130 #define MFF_RSTKEEP 0x0080 /* Don't timeout this filesystem - restarted */
131 #define MFF_WANTTIMO 0x0100 /* Need a timeout call when not busy */
132 #define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */
133 #define MFF_IS_AUTOFS 0x0400 /* this filesystem is of type autofs */
134 #define MFF_NFS_SCALEDOWN 0x0800 /* the mount failed, retry with v2/UDP */
135 #define MFF_ON_AUTOFS 0x1000 /* autofs has a lofs/link to this f/s */
136 #define MFF_WEBNFS 0x2000 /* use public filehandle */
139 * macros for struct fserver.
141 #define FSF_VALID 0x0001 /* Valid information available */
142 #define FSF_DOWN 0x0002 /* This fileserver is thought to be down */
143 #define FSF_ERROR 0x0004 /* Permanent error has occurred */
144 #define FSF_WANT 0x0008 /* Want a wakeup call */
145 #define FSF_PINGING 0x0010 /* Already doing pings */
146 #define FSF_WEBNFS 0x0020 /* Don't try to contact portmapper */
147 #define FSF_PING_UNINIT 0x0040 /* ping values have not been initilized */
148 #define FSF_FORCE_UNMOUNT 0x0080 /* force umount of this fserver */
149 #define FSRV_ERROR(fs) ((fs) && (((fs)->fs_flags & FSF_ERROR) == FSF_ERROR))
150 #define FSRV_ISDOWN(fs) ((fs) && (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID)))
151 #define FSRV_ISUP(fs) (!(fs) || (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID)))
153 /* some systems (SunOS 4.x) neglect to define the mount null message */
154 #ifndef MOUNTPROC_NULL
155 # define MOUNTPROC_NULL ((u_long)(0))
156 #endif /* not MOUNTPROC_NULL */
159 * Error to return if remote host is not available.
160 * Try, in order, "host down", "host unreachable", "invalid argument".
163 # define AM_ERRNO_HOST_DOWN EHOSTDOWN
164 #else /* not EHOSTDOWN */
166 # define AM_ERRNO_HOST_DOWN EHOSTUNREACH
167 # else /* not EHOSTUNREACH */
168 # define AM_ERRNO_HOST_DOWN EINVAL
169 # endif /* not EHOSTUNREACH */
170 #endif /* not EHOSTDOWN */
172 /* Hash table size */
173 #define NKVHASH (1 << 2) /* Power of two */
175 /* Max entries to return in one call */
176 #define MAX_READDIR_ENTRIES 16
179 * default amfs_auto retrans - 1/10th seconds
181 #define AMFS_AUTO_RETRANS(x) ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo[(x)])/gopt.amfs_auto_timeo[(x)] * 2)
184 * The following values can be tuned...
186 #define AM_TTL (300) /* Default cache period (5 min) */
187 #define AM_TTL_W (120) /* Default unmount interval (2 min) */
188 #define AM_PINGER 30 /* NFS ping interval for live systems */
189 #define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */
190 #define AMFS_EXEC_MAP_TIMEOUT 10 /* default 10sec exec map timeout */
192 /* interval between forced retries of a mount */
193 #define RETRY_INTERVAL 2
196 # define ROOT_MAP "\"root\""
197 #endif /* not ROOT_MAP */
199 #define ereturn(x) do { *error_return = x; return 0; } while (0)
201 #define NEVER (time_t) 0
203 #if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP)
204 # define AMD_SERVICE_NAME "amd" /* for tcpwrappers */
205 #endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */
211 typedef struct cf_map cf_map_t;
212 typedef struct kv kv;
213 typedef struct am_node am_node;
214 typedef struct mntfs mntfs;
215 typedef struct am_opts am_opts;
216 typedef struct am_ops am_ops;
217 typedef struct am_stats am_stats;
218 typedef struct fserver fserver;
220 typedef voidp wchan_t;
221 typedef voidp opaque_t;
224 * Cache map operations
226 typedef void add_fn(mnt_map *, char *, char *);
227 typedef int init_fn(mnt_map *, char *, time_t *);
228 typedef int mtime_fn(mnt_map *, char *, time_t *);
229 typedef int isup_fn(mnt_map *, char *);
230 typedef int reload_fn(mnt_map *, char *, add_fn *);
231 typedef int search_fn(mnt_map *, char *, char *, char **, time_t *);
232 typedef int task_fun(opaque_t);
233 typedef void cb_fun(int, int, opaque_t);
234 typedef void fwd_fun(voidp, int, struct sockaddr_in *,
235 struct sockaddr_in *, opaque_t, int);
236 typedef int key_fun(char *, opaque_t);
237 typedef void callout_fun(opaque_t);
240 * automounter vfs/vnode operations.
242 typedef char *(*vfs_match) (am_opts *);
243 typedef int (*vfs_init) (mntfs *);
244 typedef int (*vmount_fs) (am_node *, mntfs *);
245 typedef int (*vumount_fs) (am_node *, mntfs *);
246 typedef am_node *(*vlookup_child) (am_node *, char *, int *, int);
247 typedef am_node *(*vmount_child) (am_node *, int *);
248 typedef int (*vreaddir) (am_node *, nfscookie, nfsdirlist *, nfsentry *, u_int);
249 typedef am_node *(*vreadlink) (am_node *, int *);
250 typedef void (*vmounted) (mntfs *);
251 typedef void (*vumounted) (mntfs *);
252 typedef fserver *(*vffserver) (mntfs *);
253 typedef wchan_t (*vget_wchan) (mntfs *);
261 /* global amd options that are manipulated by conf.c */
262 struct amu_global_options {
263 char *arch; /* name of current architecture */
264 char *auto_dir; /* automounter temp dir */
265 int auto_attrcache; /* attribute cache timeout for auto dirs */
266 char *cluster; /* cluster name */
267 char *karch; /* kernel architecture */
268 char *logfile; /* amd log file */
269 char *op_sys; /* operating system name ${os} */
270 char *op_sys_ver; /* OS version ${osver} */
271 char *op_sys_full; /* full OS name ${full_os} */
272 char *op_sys_vendor; /* name of OS vendor ${vendor} */
273 char *pid_file; /* PID file */
274 char *sub_domain; /* local domain */
275 char *localhost_address; /* localhost address (NULL means use 127.0.0.1) */
276 char *map_defaults; /* global map /default options */
277 char *map_options; /* global map options */
278 int map_reload_interval; /* map reload interval */
279 char *map_type; /* global map type */
280 char *search_path; /* search path for maps */
281 char *mount_type; /* mount type for map */
282 char *debug_mtab_file; /* path for the mtab file during debug mode */
283 u_int flags; /* various CFM_* flags */
285 #define AMU_TYPE_NONE -1 /* for amfs_auto_{timeo,retrans,toplvl} */
286 #define AMU_TYPE_UDP 0 /* for amfs_auto_{timeo,retrans,toplvl} */
287 #define AMU_TYPE_TCP 1 /* for amfs_auto_{timeo,retrans,toplvl} */
289 * Note: toplvl is only UDP, but we want to separate it from regular
290 * NFS mounts which Amd makes, because the toplvl mount is a localhost
291 * mount for which different timeo/retrans parameters may be desired.
293 #define AMU_TYPE_TOPLVL 2 /* for amfs_auto_{timeo,retrans,toplvl} */
294 #define AMU_TYPE_MAX 3 /* for amfs_auto_{timeo,retrans,toplvl} */
295 int amfs_auto_retrans[AMU_TYPE_MAX]; /* NFS retransmit counter */
296 int amfs_auto_timeo[AMU_TYPE_MAX]; /* NFS retry interval */
298 int am_timeo; /* cache duration */
299 int am_timeo_w; /* dismount interval */
300 u_long portmap_program; /* amd RPC program number */
301 u_short preferred_amq_port; /* preferred amq service RPC port number (0 means "any") */
302 #ifdef HAVE_MAP_HESIOD
303 char *hesiod_base; /* Hesiod rhs */
304 #endif /* HAVE_MAP_HESIOD */
306 char *ldap_base; /* LDAP base */
307 char *ldap_hostports; /* LDAP host ports */
308 long ldap_cache_seconds; /* LDAP internal cache - keep seconds */
309 long ldap_cache_maxmem; /* LDAP internal cache - max memory (bytes) */
310 long ldap_proto_version; /* LDAP protocol version */
311 #endif /* HAVE_MAP_LDAP */
313 char *nis_domain; /* YP domain name */
314 #endif /* HAVE_MAP_NIS */
315 char *nfs_proto; /* NFS protocol (NULL, udp, tcp) */
316 int nfs_vers; /* NFS version (0, 2, 3, 4) */
317 u_int exec_map_timeout; /* timeout (seconds) for executable maps */
320 /* if you add anything here, update conf.c:reset_cf_map() */
322 char *cfm_dir; /* /home, /u, /src */
323 char *cfm_name; /* amd.home, /etc/amd.home ... */
324 char *cfm_type; /* file, hesiod, ndbm, nis ... */
325 char *cfm_defaults; /* map /defaults options in amd.conf */
326 char *cfm_opts; /* -cache:=all, etc. */
327 char *cfm_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */
328 char *cfm_tag; /* optional map tag for amd -T */
329 u_int cfm_flags; /* browsable_dirs? mount_type? */
330 struct cf_map *cfm_next; /* pointer to next in list (if any) */
340 regex_t re; /* store the regexp from regcomp() */
341 #endif /* HAVE_REGEXEC */
347 int refc; /* Reference count */
348 short flags; /* Allocation flags */
349 short alloc; /* Allocation mode */
350 time_t modify; /* Modify time of map */
351 u_int reloads; /* Number of times map was reloaded */
352 char *map_name; /* Name of this map */
353 char *wildcard; /* Wildcard value */
354 reload_fn *reload; /* Function to be used for reloads */
355 isup_fn *isup; /* Is service up or not? (1=up, 0=down) */
356 search_fn *search; /* Function to be used for searching */
357 mtime_fn *mtime; /* Modify time function */
358 kv *kvhash[NKVHASH]; /* Cached data */
359 cf_map_t *cfm; /* pointer to per-map amd.conf opts, if any */
360 void *map_data; /* Map data black box */
367 char *fs_glob; /* Smashed copy of global options */
368 char *fs_local; /* Expanded copy of local options */
369 char *fs_mtab; /* Mount table entry */
370 /* Other options ... */
385 char *opt_mount_type; /* "nfs" or "autofs" */
387 char *opt_umount; /* an "alias" for opt_unmount (type:=program) */
389 char *opt_maptype; /* map type: file, nis, hesiod, etc. */
390 char *opt_cachedir; /* cache directory */
391 char *opt_addopts; /* options to add to opt_opts */
395 char *fs_type; /* type of filesystems e.g. "nfsx" */
396 vfs_match fs_match; /* fxn: match */
397 vfs_init fs_init; /* fxn: initialization */
398 vmount_fs mount_fs; /* fxn: mount my own vnode */
399 vumount_fs umount_fs; /* fxn: unmount my own vnode */
400 vlookup_child lookup_child; /* fxn: lookup path-name */
401 vmount_child mount_child; /* fxn: mount path-name */
402 vreaddir readdir; /* fxn: read directory */
403 vreadlink readlink; /* fxn: read link */
404 vmounted mounted; /* fxn: after-mount extra actions */
405 vumounted umounted; /* fxn: after-umount extra actions */
406 vffserver ffserver; /* fxn: find a file server */
407 vget_wchan get_wchan; /* fxn: get the waiting channel */
408 int nfs_fs_flags; /* filesystem flags FS_* for nfs mounts */
409 #ifdef HAVE_FS_AUTOFS
410 int autofs_fs_flags;/* filesystem flags FS_* for autofs mounts */
411 #endif /* HAVE_FS_AUTOFS */
415 * List of mounted filesystems
418 qelem mf_q; /* List of mounted filesystems */
419 am_ops *mf_ops; /* Operations on this mountpoint */
420 am_opts *mf_fo; /* File opts */
421 char *mf_mount; /* "/a/kiska/home/kiska" */
422 char *mf_info; /* Mount info */
423 char *mf_auto; /* Automount opts */
424 char *mf_mopts; /* FS mount opts */
425 char *mf_remopts; /* Remote FS mount opts */
426 char *mf_loopdev; /* loop device name for /dev/loop mounts */
427 fserver *mf_server; /* File server */
428 int mf_fsflags; /* Flags FS_* copied from mf_ops->*_fs_flags */
429 int mf_flags; /* Flags MFF_* */
430 int mf_error; /* Error code from background mount */
431 int mf_refc; /* Number of references to this node */
432 int mf_cid; /* Callout id */
433 void (*mf_prfree) (opaque_t); /* Free private space */
434 opaque_t mf_private; /* Private - per-fs data */
438 * List of fileservers
441 qelem fs_q; /* List of fileservers */
442 int fs_refc; /* Number of references to this server */
443 char *fs_host; /* Normalized hostname of server */
444 struct sockaddr_in *fs_ip; /* Network address of server */
445 int fs_cid; /* Callout id */
446 int fs_pinger; /* Ping (keepalive) interval */
447 int fs_flags; /* Flags */
448 char *fs_type; /* File server type */
449 u_long fs_version; /* NFS version of server (2, 3, etc.)*/
450 char *fs_proto; /* NFS protocol of server (tcp, udp, etc.) */
451 opaque_t fs_private; /* Private data */
452 void (*fs_prfree) (opaque_t); /* Free private data */
456 * Per-mountpoint statistics
459 time_t s_mtime; /* Mount time */
460 u_short s_uid; /* Uid of mounter */
461 int s_getattr; /* Count of getattrs */
462 int s_lookup; /* Count of lookups */
463 int s_readdir; /* Count of readdirs */
464 int s_readlink; /* Count of readlinks */
465 int s_statfs; /* Count of statfs */
472 int d_drops; /* Dropped requests */
473 int d_stale; /* Stale NFS handles */
474 int d_mok; /* Successful mounts */
475 int d_merr; /* Failed mounts */
476 int d_uerr; /* Failed unmounts */
478 extern struct amd_stats amd_stats;
481 * Map of auto-mount points.
484 int am_mapno; /* Map number */
485 mntfs *am_mnt; /* Mounted filesystem */
486 mntfs **am_mfarray; /* Filesystem sources to try to mount */
487 char *am_name; /* "kiska": name of this node */
488 char *am_path; /* "/home/kiska": path of this node's mount point */
489 char *am_link; /* "/a/kiska/home/kiska/this/that": link to sub-dir */
490 am_node *am_parent; /* Parent of this node */
491 am_node *am_ysib; /* Younger sibling of this node */
492 am_node *am_osib; /* Older sibling of this node */
493 am_node *am_child; /* First child of this node */
494 nfsattrstat am_attr; /* File attributes */
495 #define am_fattr am_attr.ns_u.ns_attr_u
496 int am_flags; /* Boolean flags AMF_* */
497 int am_error; /* Specific mount error */
498 time_t am_ttl; /* Time to live */
499 int am_timeo_w; /* Dismount wait interval */
500 int am_timeo; /* Cache timeout interval */
501 u_int am_gen; /* Generation number */
502 char *am_pref; /* Mount info prefix */
503 am_stats am_stats; /* Statistics gathering */
504 SVCXPRT *am_transp; /* Info for quick reply */
505 dev_t am_dev; /* Device number */
506 dev_t am_rdev; /* Remote/real device number */
507 #ifdef HAVE_FS_AUTOFS
508 autofs_fh_t *am_autofs_fh;
509 time_t am_autofs_ttl; /* Time to expire autofs nodes */
510 #endif /* HAVE_FS_AUTOFS */
518 * Amq server global functions
520 extern amq_mount_info_list *amqproc_getmntfs_1_svc(voidp argp, struct svc_req *rqstp);
521 extern amq_mount_stats *amqproc_stats_1_svc(voidp argp, struct svc_req *rqstp);
522 extern amq_mount_tree_list *amqproc_export_1_svc(voidp argp, struct svc_req *rqstp);
523 extern amq_mount_tree_p *amqproc_mnttree_1_svc(voidp argp, struct svc_req *rqstp);
524 extern amq_string *amqproc_getvers_1_svc(voidp argp, struct svc_req *rqstp);
525 extern amq_string *amqproc_pawd_1_svc(voidp argp, struct svc_req *rqstp);
526 extern int *amqproc_getpid_1_svc(voidp argp, struct svc_req *rqstp);
527 extern int *amqproc_mount_1_svc(voidp argp, struct svc_req *rqstp);
528 extern int *amqproc_setopt_1_svc(voidp argp, struct svc_req *rqstp);
529 extern voidp amqproc_null_1_svc(voidp argp, struct svc_req *rqstp);
530 extern voidp amqproc_umnt_1_svc(voidp argp, struct svc_req *rqstp);
532 /* other external definitions */
533 extern am_nfs_fh *get_root_nfs_fh(char *dir);
534 extern am_node *find_ap(char *);
535 extern am_node *get_ap_child(am_node *, char *);
536 extern bool_t xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead);
537 extern fserver *find_nfs_srvr(mntfs *mf);
538 extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *mntdir, char *fs_name, mntfs *mf);
539 extern int process_all_regular_maps(void);
540 extern cf_map_t *find_cf_map(const char *name);
541 extern int set_conf_kv(const char *section, const char *k, const char *v);
542 extern int mount_node(opaque_t arg);
543 extern int unmount_mp(am_node *mp);
544 extern int yyparse (void);
546 extern void amfs_mkcacheref(mntfs *mf);
547 extern int amfs_mount(am_node *mp, mntfs *mf, char *opts);
548 extern void assign_error_mntfs(am_node *mp);
549 extern am_node *next_nonerror_node(am_node *xp);
550 extern void flush_srvr_nfs_cache(fserver *fs);
551 extern void am_mounted(am_node *);
552 extern void mf_mounted(mntfs *mf, bool_t call_free_opts);
553 extern void am_unmounted(am_node *);
554 extern am_node *get_exported_ap(int index);
555 extern am_node *get_first_exported_ap(int *index);
556 extern am_node *get_next_exported_ap(int *index);
557 extern am_node *path_to_exported_ap(char *path);
558 extern am_node *exported_ap_alloc(void);
559 extern am_node *find_mf(mntfs *);
560 extern am_node *next_map(int *);
561 extern am_ops *ops_match(am_opts *, char *, char *, char *, char *, char *);
562 extern am_ops *ops_search(char *);
563 extern fserver *dup_srvr(fserver *);
564 extern void srvrlog(fserver *, char *);
565 extern int get_mountd_port(fserver *, u_short *, wchan_t);
566 extern void flush_nfs_fhandle_cache(fserver *);
568 extern mntfs *dup_mntfs(mntfs *);
569 extern mntfs *find_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *);
570 extern mntfs *locate_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *);
571 extern mntfs *new_mntfs(void);
572 extern mntfs *realloc_mntfs(mntfs *, am_ops *, am_opts *, char *, char *, char *, char *, char *);
573 extern void flush_mntfs(void);
574 extern void free_mntfs(voidp);
577 extern void amq_program_1(struct svc_req *rqstp, SVCXPRT *transp);
578 extern int background(void);
579 extern void deslashify(char *);
580 extern void do_task_notify(void);
581 extern int eval_fs_opts(am_opts *, char *, char *, char *, char *, char *);
582 extern void forcibly_timeout_mp(am_node *);
583 extern void free_map(am_node *);
584 extern void free_opts(am_opts *);
585 extern void free_srvr(fserver *);
586 extern int fwd_init(void);
587 extern int fwd_packet(int, char *, int, struct sockaddr_in *, struct sockaddr_in *, opaque_t, fwd_fun *);
588 extern void fwd_reply(void);
589 extern void get_args(int argc, char *argv[]);
590 extern wchan_t get_mntfs_wchan(mntfs *mf);
591 extern void host_normalize(char **);
592 extern void init_map(am_node *, char *);
593 extern void ins_que(qelem *, qelem *);
594 extern void insert_am(am_node *, am_node *);
595 extern int make_nfs_auth(void);
596 extern void make_root_node(void);
597 extern void map_flush_srvr(fserver *);
598 extern void mapc_add_kv(mnt_map *, char *, char *);
599 extern mnt_map *mapc_find(char *, char *, const char *);
600 extern void mapc_free(opaque_t);
601 extern int mapc_keyiter(mnt_map *, key_fun, opaque_t);
602 extern void mapc_reload(void);
603 extern int mapc_search(mnt_map *, char *, char **);
604 extern void mapc_showtypes(char *buf, size_t l);
605 extern int mapc_type_exists(const char *type);
606 extern void mk_fattr(nfsfattr *, nfsftype);
607 extern int mount_auto_node(char *, opaque_t);
608 extern int mount_automounter(int);
609 extern int mount_exported(void);
610 extern void mp_to_fh(am_node *, am_nfs_fh *);
611 extern void new_ttl(am_node *);
612 extern void nfs_quick_reply(am_node *mp, int error);
613 extern void normalize_slash(char *);
614 extern void ops_showamfstypes(char *buf, size_t l);
615 extern void ops_showfstypes(char *outbuf, size_t l);
616 extern void rem_que(qelem *);
617 extern void reschedule_timeout_mp(void);
618 extern void restart(void);
619 extern void restart_automounter_nodes(void);
620 extern int root_keyiter(key_fun *, opaque_t);
621 extern void root_newmap(const char *, const char *, const char *, const cf_map_t *);
622 extern void run_task(task_fun *, opaque_t, cb_fun *, opaque_t);
623 extern void sched_task(cb_fun *, opaque_t, wchan_t);
624 extern int softclock(void);
625 extern int timeout(u_int, void (*fn)(opaque_t), opaque_t);
626 extern void timeout_mp(opaque_t);
627 extern void untimeout(int);
628 extern void umount_exported(void);
629 extern int valid_key(char *);
630 extern void wakeup(wchan_t);
631 extern void wakeup_srvr(fserver *);
632 extern void wakeup_task(int, int, wchan_t);
633 #define SIZEOF_PID_FSNAME (16 + MAXHOSTNAMELEN)
634 extern char pid_fsname[SIZEOF_PID_FSNAME]; /* "kiska.southseas.nz:(pid%d)" */
635 #define SIZEOF_HOSTD (2 * MAXHOSTNAMELEN + 1)
636 extern char hostd[SIZEOF_HOSTD]; /* Host+domain */
637 #define SIZEOF_OPTS 256 /* used for char opts[] and preopts[] */
643 extern SVCXPRT *current_transp; /* For nfs_quick_reply() */
644 extern char *conf_tag;
645 #define SIZEOF_UID_STR 12
646 #define SIZEOF_GID_STR 12
647 extern char *opt_gid, gid_str[SIZEOF_GID_STR];
648 extern char *opt_uid, uid_str[SIZEOF_UID_STR];
649 extern int NumChildren;
651 extern int select_intr_valid;
652 extern int immediate_abort; /* Should close-down unmounts be retried */
654 extern int use_conf_file; /* use amd configuration file */
655 extern int task_notify_todo; /* Task notifier needs running */
656 extern jmp_buf select_intr;
658 extern struct amu_global_options gopt; /* where global options are stored */
659 extern time_t do_mapc_reload; /* Flush & reload mount map cache */
660 extern time_t next_softclock; /* Time to call softclock() */
662 #ifdef HAVE_SIGACTION
663 extern sigset_t masked_sigs;
664 #endif /* HAVE_SIGACTION */
666 #if defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX)
667 extern char *amfs_link_match(am_opts *fo);
668 #endif /* defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) */
670 #ifdef HAVE_FS_AUTOFS
671 extern int amd_use_autofs;
673 extern int autofs_get_fh(am_node *mp);
674 extern void autofs_release_fh(am_node *mp);
675 extern void autofs_get_mp(am_node *mp);
676 extern void autofs_release_mp(am_node *mp);
677 extern void autofs_add_fdset(fd_set *readfds);
678 extern int autofs_handle_fdset(fd_set *readfds, int nsel);
679 extern void autofs_mounted(am_node *mp);
680 extern void autofs_mount_succeeded(am_node *mp);
681 extern void autofs_mount_failed(am_node *mp);
682 extern int autofs_umount_succeeded(am_node *mp);
683 extern int autofs_umount_failed(am_node *mp);
684 extern int autofs_mount_fs(am_node *mp, mntfs *mf);
685 extern int autofs_umount_fs(am_node *mp, mntfs *mf);
686 extern void autofs_get_opts(char *opts, size_t l, autofs_fh_t *fh);
687 extern int autofs_compute_mount_flags(mntent_t *);
688 extern void autofs_timeout_mp(am_node *);
689 extern int create_autofs_service(void);
690 extern int destroy_autofs_service(void);
691 #endif /* HAVE_FS_AUTOFS */
693 /**************************************************************************/
694 /*** Generic file-system types, implemented as part of the native O/S. ***/
695 /**************************************************************************/
698 * Loopback File System
699 * Many systems can't support this, and in any case most of the
700 * functionality is available with Symlink FS.
703 extern am_ops lofs_ops;
704 extern int mount_lofs(char *mntdir, char *fs_name, char *opts, int on_autofs);
705 #endif /* HAVE_FS_LOFS */
708 * CD-ROM File System (CD-ROM)
709 * (HSFS: High Sierra F/S on some machines)
710 * Many systems can't support this, and in any case most of the
711 * functionality is available with program FS.
714 extern am_ops cdfs_ops;
715 #endif /* HAVE_FS_CDFS */
718 * PC File System (MS-DOS)
719 * Many systems can't support this, and in any case most of the
720 * functionality is available with program FS.
723 extern am_ops pcfs_ops;
724 #endif /* HAVE_FS_PCFS */
727 * Caching File System (Solaris)
729 #ifdef HAVE_FS_CACHEFS
730 extern am_ops cachefs_ops;
731 #endif /* HAVE_FS_CACHEFS */
734 * Network File System
735 * Good, slow, NFS V.2.
738 extern am_ops nfs_ops; /* NFS */
739 extern fserver *find_nfs_srvr (mntfs *);
740 extern qelem nfs_srvr_list;
741 #endif /* HAVE_FS_NFS */
745 * Normal local disk file system.
748 extern am_ops ufs_ops; /* Un*x file system */
749 #endif /* HAVE_FS_UFS */
751 /* Unix file system (irix) */
753 extern am_ops xfs_ops; /* Un*x file system */
754 #endif /* HAVE_FS_XFS */
756 /* Unix file system (irix) */
758 extern am_ops efs_ops; /* Un*x file system */
759 #endif /* HAVE_FS_EFS */
761 /**************************************************************************/
762 /*** Automounter file-system types, implemented by amd. ***/
763 /**************************************************************************/
766 * Root AMD File System
768 extern am_ops amfs_root_ops; /* Root file system */
771 * Generic amfs helper methods
773 extern am_node *amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op);
774 extern am_node *amfs_generic_mount_child(am_node *ap, int *error_return);
775 extern int amfs_generic_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count);
776 extern int amfs_generic_umount(am_node *mp, mntfs *mf);
777 extern void amfs_generic_mounted(mntfs *mf);
778 extern char *amfs_generic_match(am_opts *fo);
779 extern fserver *amfs_generic_find_srvr(mntfs *);
782 * Automount File System
784 #ifdef HAVE_AMU_FS_AUTO
785 extern am_ops amfs_auto_ops; /* Automount file system (this!) */
786 #endif /* HAVE_AMU_FS_AUTO */
789 * Toplvl Automount File System
791 #ifdef HAVE_AMU_FS_TOPLVL
792 extern am_ops amfs_toplvl_ops; /* Toplvl Automount file system */
793 extern int amfs_toplvl_mount(am_node *mp, mntfs *mf);
794 extern int amfs_toplvl_umount(am_node *mp, mntfs *mf);
795 #endif /* HAVE_AMU_FS_TOPLVL */
798 * Direct Automount File System
800 #ifdef HAVE_AMU_FS_DIRECT
801 extern am_ops amfs_direct_ops; /* Direct Automount file system (this too) */
802 #endif /* HAVE_AMU_FS_DIRECT */
807 #ifdef HAVE_AMU_FS_ERROR
808 extern am_ops amfs_error_ops; /* Error file system */
809 extern am_node *amfs_error_lookup_child(am_node *mp, char *fname, int *error_return, int op);
810 extern am_node *amfs_error_mount_child(am_node *ap, int *error_return);
811 extern int amfs_error_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count);
812 #endif /* HAVE_AMU_FS_ERROR */
815 * NFS mounts with local existence check.
817 #ifdef HAVE_AMU_FS_NFSL
818 extern am_ops amfs_nfsl_ops; /* NFSL */
819 #endif /* HAVE_AMU_FS_NFSL */
824 #ifdef HAVE_AMU_FS_NFSX
825 extern am_ops amfs_nfsx_ops; /* NFSX */
826 #endif /* HAVE_AMU_FS_NFSX */
829 * NFS host - a whole tree.
831 #ifdef HAVE_AMU_FS_HOST
832 extern am_ops amfs_host_ops; /* NFS host */
833 #endif /* HAVE_AMU_FS_HOST */
836 * Program File System
837 * This is useful for things like RVD.
839 #ifdef HAVE_AMU_FS_PROGRAM
840 extern am_ops amfs_program_ops; /* Program File System */
841 #endif /* HAVE_AMU_FS_PROGRAM */
844 * Symbolic-link file system.
845 * A "filesystem" which is just a symbol link.
847 #ifdef HAVE_AMU_FS_LINK
848 extern am_ops amfs_link_ops; /* Symlink FS */
849 #endif /* HAVE_AMU_FS_LINK */
852 * Symbolic-link file system, which also checks that the target of
853 * the symlink exists.
854 * A "filesystem" which is just a symbol link.
856 #ifdef HAVE_AMU_FS_LINKX
857 extern am_ops amfs_linkx_ops; /* Symlink FS with existence check */
858 #endif /* HAVE_AMU_FS_LINKX */
863 #ifdef HAVE_AMU_FS_UNION
864 extern am_ops amfs_union_ops; /* Union FS */
865 #endif /* HAVE_AMU_FS_UNION */
867 #endif /* not _AMD_H */