2 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * File: am-utils/amd/amd.h
49 * Define a default debug mtab path for systems
50 * that support mtab on file.
52 #ifdef MOUNT_TABLE_ON_FILE
53 # define DEBUG_MNTTAB_FILE "/tmp/mtab"
54 #endif /* MOUNT_TABLE_ON_FILE */
56 /* Max line length that info services can handle */
57 #define INFO_MAX_LINE_LEN 1500
59 /* options for amd.conf */
60 #define CFM_BROWSABLE_DIRS 0x00000001
61 #define CFM_MOUNT_TYPE_AUTOFS 0x00000002 /* use kernel autofs support */
62 #define CFM_SELECTORS_IN_DEFAULTS 0x00000004
63 #define CFM_NORMALIZE_HOSTNAMES 0x00000008
64 #define CFM_PROCESS_LOCK 0x00000010
65 #define CFM_PRINT_PID 0x00000020
66 #define CFM_RESTART_EXISTING_MOUNTS 0x00000040
67 #define CFM_SHOW_STATFS_ENTRIES 0x00000080
68 #define CFM_FULLY_QUALIFIED_HOSTS 0x00000100
69 #define CFM_BROWSABLE_DIRS_FULL 0x00000200 /* allow '/' in readdir() */
70 #define CFM_UNMOUNT_ON_EXIT 0x00000400 /* when amd finishing */
71 #define CFM_USE_TCPWRAPPERS 0x00000800
72 #define CFM_AUTOFS_USE_LOFS 0x00001000
73 #define CFM_NFS_INSECURE_PORT 0x00002000
74 #define CFM_DOMAIN_STRIP 0x00004000
75 #define CFM_NORMALIZE_SLASHES 0x00008000 /* normalize slashes? */
76 #define CFM_FORCED_UNMOUNTS 0x00010000 /* forced unmounts? */
77 #define CFM_TRUNCATE_LOG 0x00020000 /* truncate log file? */
78 #define CFM_SUN_MAP_SYNTAX 0x00040000 /* Sun map syntax? */
79 #define CFM_NFS_ANY_INTERFACE 0x00080000 /* all interfaces are acceptable */
81 /* defaults global flags: plock, tcpwrappers, and autofs/lofs */
82 #define CFM_DEFAULT_FLAGS (CFM_PROCESS_LOCK|CFM_USE_TCPWRAPPERS|CFM_AUTOFS_USE_LOFS|CFM_DOMAIN_STRIP|CFM_NORMALIZE_SLASHES)
85 * macro definitions for automounter vfs/vnode operations.
87 #define VLOOK_CREATE 0x1
88 #define VLOOK_DELETE 0x2
89 #define VLOOK_LOOKUP 0x3
92 * macro definitions for automounter vfs capabilities
94 #define FS_DIRECTORY 0x0001 /* This looks like a dir, not a link */
95 #define FS_MBACKGROUND 0x0002 /* Should background this mount */
96 #define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */
97 #define FS_MKMNT 0x0008 /* Need to make the mount point */
98 #define FS_UBACKGROUND 0x0010 /* Unmount in background */
99 #define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND)
100 #define FS_DISCARD 0x0020 /* Discard immediately on last reference */
101 #define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */
102 #define FS_AUTOFS 0x0080 /* This filesystem can be an autofs f/s */
103 #define FS_DIRECT 0x0100 /* Direct mount */
104 #define FS_ON_AUTOFS 0x0200 /* This filesystem can be mounted directly
105 onto an autofs mountpoint */
108 * macros for struct am_node (map of auto-mount points).
110 #define AMF_NOTIMEOUT 0x0001 /* This node never times out */
111 #define AMF_ROOT 0x0002 /* This is a root node */
112 #define AMF_AUTOFS 0x0004 /* This node is part of an autofs filesystem */
113 #define AMF_REMOUNT 0x0008 /* This node needs to be remounted */
114 #define AMF_SOFTLOOKUP 0x0010 /* This node returns EIO if server is down */
117 * macros for struct mntfs (list of mounted filesystems)
119 #define MFF_MOUNTED 0x0001 /* Node is mounted */
120 #define MFF_MOUNTING 0x0002 /* Mount is in progress */
121 #define MFF_UNMOUNTING 0x0004 /* Unmount is in progress */
122 #define MFF_RESTART 0x0008 /* Restarted node */
123 #define MFF_MKMNT 0x0010 /* Delete this node's am_mount */
124 #define MFF_ERROR 0x0020 /* This node failed to mount */
125 #define MFF_LOGDOWN 0x0040 /* Logged that this mount is down */
126 #define MFF_RSTKEEP 0x0080 /* Don't timeout this filesystem - restarted */
127 #define MFF_WANTTIMO 0x0100 /* Need a timeout call when not busy */
128 #define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */
129 #define MFF_IS_AUTOFS 0x0400 /* this filesystem is of type autofs */
130 #define MFF_NFS_SCALEDOWN 0x0800 /* the mount failed, retry with v2/UDP */
131 #define MFF_ON_AUTOFS 0x1000 /* autofs has a lofs/link to this f/s */
132 #define MFF_WEBNFS 0x2000 /* use public filehandle */
135 * macros for struct fserver.
137 #define FSF_VALID 0x0001 /* Valid information available */
138 #define FSF_DOWN 0x0002 /* This fileserver is thought to be down */
139 #define FSF_ERROR 0x0004 /* Permanent error has occurred */
140 #define FSF_WANT 0x0008 /* Want a wakeup call */
141 #define FSF_PINGING 0x0010 /* Already doing pings */
142 #define FSF_WEBNFS 0x0020 /* Don't try to contact portmapper */
143 #define FSF_PING_UNINIT 0x0040 /* ping values have not been initilized */
144 #define FSF_FORCE_UNMOUNT 0x0080 /* force umount of this fserver */
145 #define FSRV_ERROR(fs) ((fs) && (((fs)->fs_flags & FSF_ERROR) == FSF_ERROR))
146 #define FSRV_ISDOWN(fs) ((fs) && (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID)))
147 #define FSRV_ISUP(fs) (!(fs) || (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID)))
149 /* some systems (SunOS 4.x) neglect to define the mount null message */
150 #ifndef MOUNTPROC_NULL
151 # define MOUNTPROC_NULL ((u_long)(0))
152 #endif /* not MOUNTPROC_NULL */
155 * Error to return if remote host is not available.
156 * Try, in order, "host down", "host unreachable", "invalid argument".
159 # define AM_ERRNO_HOST_DOWN EHOSTDOWN
160 #else /* not EHOSTDOWN */
162 # define AM_ERRNO_HOST_DOWN EHOSTUNREACH
163 # else /* not EHOSTUNREACH */
164 # define AM_ERRNO_HOST_DOWN EINVAL
165 # endif /* not EHOSTUNREACH */
166 #endif /* not EHOSTDOWN */
168 /* Hash table size */
169 #define NKVHASH (1 << 2) /* Power of two */
171 /* Max entries to return in one call */
172 #define MAX_READDIR_ENTRIES 16
175 * default amfs_auto retrans - 1/10th seconds
177 #define AMFS_AUTO_RETRANS(x) ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo[(x)])/gopt.amfs_auto_timeo[(x)] * 2)
180 * The following values can be tuned...
182 #define AM_TTL (300) /* Default cache period (5 min) */
183 #define AM_TTL_W (120) /* Default unmount interval (2 min) */
184 #define AM_PINGER 30 /* NFS ping interval for live systems */
185 #define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */
186 #define AMFS_EXEC_MAP_TIMEOUT 10 /* default 10sec exec map timeout */
188 /* interval between forced retries of a mount */
189 #define RETRY_INTERVAL 2
192 # define ROOT_MAP "\"root\""
193 #endif /* not ROOT_MAP */
195 #define ereturn(x) do { *error_return = x; return 0; } while (0)
197 #define NEVER (time_t) 0
199 #if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP)
200 # define AMD_SERVICE_NAME "amd" /* for tcpwrappers */
201 #endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */
207 typedef struct cf_map cf_map_t;
208 typedef struct kv kv;
209 typedef struct am_node am_node;
210 typedef struct mntfs mntfs;
211 typedef struct am_loc am_loc;
212 typedef struct am_opts am_opts;
213 typedef struct am_ops am_ops;
214 typedef struct am_stats am_stats;
215 typedef struct fserver fserver;
217 typedef voidp wchan_t;
218 typedef voidp opaque_t;
221 * Cache map operations
223 typedef void add_fn(mnt_map *, char *, char *);
224 typedef int init_fn(mnt_map *, char *, time_t *);
225 typedef int mtime_fn(mnt_map *, char *, time_t *);
226 typedef int isup_fn(mnt_map *, char *);
227 typedef int reload_fn(mnt_map *, char *, add_fn *);
228 typedef int search_fn(mnt_map *, char *, char *, char **, time_t *);
229 typedef int task_fun(opaque_t);
230 typedef void cb_fun(int, int, opaque_t);
231 typedef void fwd_fun(voidp, int, struct sockaddr_in *,
232 struct sockaddr_in *, opaque_t, int);
233 typedef int key_fun(char *, opaque_t);
234 typedef void callout_fun(opaque_t);
237 * automounter vfs/vnode operations.
239 typedef char *(*vfs_match) (am_opts *);
240 typedef int (*vfs_init) (mntfs *);
241 typedef int (*vmount_fs) (am_node *, mntfs *);
242 typedef int (*vumount_fs) (am_node *, mntfs *);
243 typedef am_node *(*vlookup_child) (am_node *, char *, int *, int);
244 typedef am_node *(*vmount_child) (am_node *, int *);
245 typedef int (*vreaddir) (am_node *, voidp, voidp, voidp, u_int);
246 typedef am_node *(*vreadlink) (am_node *, int *);
247 typedef void (*vmounted) (mntfs *);
248 typedef void (*vumounted) (mntfs *);
249 typedef fserver *(*vffserver) (mntfs *);
250 typedef wchan_t (*vget_wchan) (mntfs *);
253 * NFS progran dispatcher
255 typedef void (*dispatcher_t)(struct svc_req *rqstp, SVCXPRT *transp);
262 /* global amd options that are manipulated by conf.c */
263 struct amu_global_options {
264 char *arch; /* name of current architecture */
265 char *auto_dir; /* automounter temp dir */
266 int auto_attrcache; /* attribute cache timeout for auto dirs */
267 char *cluster; /* cluster name */
268 char *karch; /* kernel architecture */
269 char *logfile; /* amd log file */
270 char *op_sys; /* operating system name ${os} */
271 char *op_sys_ver; /* OS version ${osver} */
272 char *op_sys_full; /* full OS name ${full_os} */
273 char *op_sys_vendor; /* name of OS vendor ${vendor} */
274 char *pid_file; /* PID file */
275 char *sub_domain; /* local domain */
276 char *localhost_address; /* localhost address (NULL means use 127.0.0.1) */
277 char *map_defaults; /* global map /default options */
278 char *map_options; /* global map options */
279 int map_reload_interval; /* map reload interval */
280 char *map_type; /* global map type */
281 char *search_path; /* search path for maps */
282 char *mount_type; /* mount type for map */
283 char *debug_mtab_file; /* path for the mtab file during debug mode */
284 u_int flags; /* various CFM_* flags */
286 #define AMU_TYPE_NONE -1 /* for amfs_auto_{timeo,retrans,toplvl} */
287 #define AMU_TYPE_UDP 0 /* for amfs_auto_{timeo,retrans,toplvl} */
288 #define AMU_TYPE_TCP 1 /* for amfs_auto_{timeo,retrans,toplvl} */
290 * Note: toplvl is only UDP, but we want to separate it from regular
291 * NFS mounts which Amd makes, because the toplvl mount is a localhost
292 * mount for which different timeo/retrans parameters may be desired.
294 #define AMU_TYPE_TOPLVL 2 /* for amfs_auto_{timeo,retrans,toplvl} */
295 #define AMU_TYPE_MAX 3 /* for amfs_auto_{timeo,retrans,toplvl} */
296 int amfs_auto_retrans[AMU_TYPE_MAX]; /* NFS retransmit counter */
297 int amfs_auto_timeo[AMU_TYPE_MAX]; /* NFS retry interval */
299 int am_timeo; /* cache duration */
300 int am_timeo_w; /* dismount interval */
301 u_long portmap_program; /* amd RPC program number */
302 u_short preferred_amq_port; /* preferred amq service RPC port number (0 means "any") */
303 #ifdef HAVE_MAP_HESIOD
304 char *hesiod_base; /* Hesiod rhs */
305 #endif /* HAVE_MAP_HESIOD */
307 char *ldap_base; /* LDAP base */
308 char *ldap_hostports; /* LDAP host ports */
309 long ldap_cache_seconds; /* LDAP internal cache - keep seconds */
310 long ldap_cache_maxmem; /* LDAP internal cache - max memory (bytes) */
311 long ldap_proto_version; /* LDAP protocol version */
312 #endif /* HAVE_MAP_LDAP */
314 char *nis_domain; /* YP domain name */
315 #endif /* HAVE_MAP_NIS */
316 char *nfs_proto; /* NFS protocol (NULL, udp, tcp) */
317 int nfs_vers; /* NFS version (0, 2, 3, 4) */
318 int nfs_vers_ping; /* NFS rpc ping version (0, 2, 3, 4) */
319 u_int exec_map_timeout; /* timeout (seconds) for executable maps */
322 /* if you add anything here, update conf.c:reset_cf_map() */
324 char *cfm_dir; /* /home, /u, /src */
325 char *cfm_name; /* amd.home, /etc/amd.home ... */
326 char *cfm_type; /* file, hesiod, ndbm, nis ... */
327 char *cfm_defaults; /* map /defaults options in amd.conf */
328 char *cfm_opts; /* -cache:=all, etc. */
329 char *cfm_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */
330 char *cfm_tag; /* optional map tag for amd -T */
331 u_int cfm_flags; /* browsable_dirs? mount_type? */
332 struct cf_map *cfm_next; /* pointer to next in list (if any) */
342 regex_t re; /* store the regexp from regcomp() */
343 #endif /* HAVE_REGEXEC */
349 int refc; /* Reference count */
350 short flags; /* Allocation flags */
351 short alloc; /* Allocation mode */
352 time_t modify; /* Modify time of map */
353 u_int reloads; /* Number of times map was reloaded */
354 u_int nentries; /* Number of entries in the map */
355 char *map_name; /* Name of this map */
356 char *wildcard; /* Wildcard value */
357 reload_fn *reload; /* Function to be used for reloads */
358 isup_fn *isup; /* Is service up or not? (1=up, 0=down) */
359 search_fn *search; /* Function to be used for searching */
360 mtime_fn *mtime; /* Modify time function */
361 kv *kvhash[NKVHASH]; /* Cached data */
362 cf_map_t *cfm; /* pointer to per-map amd.conf opts, if any */
363 void *map_data; /* Map data black box */
370 char *fs_glob; /* Smashed copy of global options */
371 char *fs_local; /* Expanded copy of local options */
372 char *fs_mtab; /* Mount table entry */
373 /* Other options ... */
388 char *opt_mount_type; /* "nfs" or "autofs" */
390 char *opt_umount; /* an "alias" for opt_unmount (type:=program) */
392 char *opt_maptype; /* map type: file, nis, hesiod, etc. */
393 char *opt_cachedir; /* cache directory */
394 char *opt_addopts; /* options to add to opt_opts */
398 char *fs_type; /* type of filesystems e.g. "nfsx" */
399 vfs_match fs_match; /* fxn: match */
400 vfs_init fs_init; /* fxn: initialization */
401 vmount_fs mount_fs; /* fxn: mount my own vnode */
402 vumount_fs umount_fs; /* fxn: unmount my own vnode */
403 vlookup_child lookup_child; /* fxn: lookup path-name */
404 vmount_child mount_child; /* fxn: mount path-name */
405 vreaddir readdir; /* fxn: read directory */
406 vreadlink readlink; /* fxn: read link */
407 vmounted mounted; /* fxn: after-mount extra actions */
408 vumounted umounted; /* fxn: after-umount extra actions */
409 vffserver ffserver; /* fxn: find a file server */
410 vget_wchan get_wchan; /* fxn: get the waiting channel */
411 int nfs_fs_flags; /* filesystem flags FS_* for nfs mounts */
412 #ifdef HAVE_FS_AUTOFS
413 int autofs_fs_flags;/* filesystem flags FS_* for autofs mounts */
414 #endif /* HAVE_FS_AUTOFS */
418 * List of mounted filesystems
421 qelem mf_q; /* List of mounted filesystems */
422 am_ops *mf_ops; /* Operations on this mountpoint */
423 am_opts *mf_fo; /* File opts */
424 char *mf_mount; /* "/a/kiska/home/kiska" */
425 char *mf_info; /* Mount info */
426 char *mf_auto; /* Mount info */
427 char *mf_mopts; /* FS mount opts */
428 char *mf_remopts; /* Remote FS mount opts */
429 char *mf_loopdev; /* loop device name for /dev/loop mounts */
430 fserver *mf_server; /* File server */
431 int mf_fsflags; /* Flags FS_* copied from mf_ops->*_fs_flags */
432 int mf_flags; /* Flags MFF_* */
433 int mf_error; /* Error code from background mount */
434 int mf_refc; /* Number of references to this node */
435 int mf_cid; /* Callout id */
436 void (*mf_prfree) (opaque_t); /* Free private space */
437 opaque_t mf_private; /* Private - per-fs data */
441 * Locations: bindings between keys and mntfs
451 * List of fileservers
454 qelem fs_q; /* List of fileservers */
455 int fs_refc; /* Number of references to this server */
456 char *fs_host; /* Normalized hostname of server */
457 struct sockaddr_in *fs_ip; /* Network address of server */
458 int fs_cid; /* Callout id */
459 int fs_pinger; /* Ping (keepalive) interval */
460 int fs_flags; /* Flags */
461 char *fs_type; /* File server type */
462 u_long fs_version; /* NFS version of server (2, 3, etc.)*/
463 char *fs_proto; /* NFS protocol of server (tcp, udp, etc.) */
464 opaque_t fs_private; /* Private data */
465 void (*fs_prfree) (opaque_t); /* Free private data */
469 * Per-mountpoint statistics
472 time_t s_mtime; /* Mount time */
473 u_short s_uid; /* Uid of mounter */
474 int s_getattr; /* Count of getattrs */
475 int s_lookup; /* Count of lookups */
476 int s_readdir; /* Count of readdirs */
477 int s_readlink; /* Count of readlinks */
478 int s_statfs; /* Count of statfs */
479 int s_fsinfo; /* Count of fsinfo */
480 int s_pathconf; /* Count of pathconf */
487 int d_drops; /* Dropped requests */
488 int d_stale; /* Stale NFS handles */
489 int d_mok; /* Successful mounts */
490 int d_merr; /* Failed mounts */
491 int d_uerr; /* Failed unmounts */
493 extern struct amd_stats amd_stats;
496 * Map of auto-mount points.
499 int am_mapno; /* Map number */
500 am_loc *am_al; /* Mounted filesystem */
501 am_loc **am_alarray; /* Filesystem sources to try to mount */
502 char *am_name; /* "kiska": name of this node */
503 char *am_path; /* "/home/kiska": path of this node's mount point */
504 char *am_link; /* "/a/kiska/home/kiska/this/that": link to sub-dir */
505 am_node *am_parent; /* Parent of this node */
506 am_node *am_ysib; /* Younger sibling of this node */
507 am_node *am_osib; /* Older sibling of this node */
508 am_node *am_child; /* First child of this node */
509 nfsattrstat am_attr; /* File attributes */
510 #define am_fattr am_attr.ns_u.ns_attr_u
511 int am_flags; /* Boolean flags AMF_* */
512 int am_error; /* Specific mount error */
513 time_t am_ttl; /* Time to live */
514 int am_timeo_w; /* Dismount wait interval */
515 int am_timeo; /* Cache timeout interval */
516 u_int am_gen; /* Generation number */
517 char *am_pref; /* Mount info prefix */
518 am_stats am_stats; /* Statistics gathering */
519 SVCXPRT *am_transp; /* Info for quick reply */
520 dev_t am_dev; /* Device number */
521 dev_t am_rdev; /* Remote/real device number */
522 #ifdef HAVE_FS_AUTOFS
523 autofs_fh_t *am_autofs_fh;
524 time_t am_autofs_ttl; /* Time to expire autofs nodes */
525 #endif /* HAVE_FS_AUTOFS */
526 int am_fd[2]; /* parent child pipe fd's for sync umount */
534 * Amq server global functions
536 extern amq_mount_info_list *amqproc_getmntfs_1_svc(voidp argp, struct svc_req *rqstp);
537 extern amq_mount_stats *amqproc_stats_1_svc(voidp argp, struct svc_req *rqstp);
538 extern amq_mount_tree_list *amqproc_export_1_svc(voidp argp, struct svc_req *rqstp);
539 extern amq_mount_tree_p *amqproc_mnttree_1_svc(voidp argp, struct svc_req *rqstp);
540 extern amq_string *amqproc_getvers_1_svc(voidp argp, struct svc_req *rqstp);
541 extern amq_string *amqproc_pawd_1_svc(voidp argp, struct svc_req *rqstp);
542 extern int *amqproc_getpid_1_svc(voidp argp, struct svc_req *rqstp);
543 extern int *amqproc_mount_1_svc(voidp argp, struct svc_req *rqstp);
544 extern int *amqproc_setopt_1_svc(voidp argp, struct svc_req *rqstp);
545 extern voidp amqproc_null_1_svc(voidp argp, struct svc_req *rqstp);
546 extern int *amqproc_umnt_1_svc(voidp argp, struct svc_req *rqstp);
547 extern int *amqproc_sync_umnt_1_svc_parent(voidp argp, struct svc_req *rqstp);
548 extern amq_sync_umnt *amqproc_sync_umnt_1_svc_child(voidp argp, struct svc_req *rqstp);
549 extern amq_sync_umnt *amqproc_sync_umnt_1_svc_async(voidp argp, struct svc_req *rqstp);
550 extern amq_map_info_list *amqproc_getmapinfo_1_svc(voidp argp, struct svc_req *rqstp);
552 /* other external definitions */
553 extern am_nfs_handle_t *get_root_nfs_fh(char *dir, am_nfs_handle_t *nfh);
554 extern am_node *find_ap(char *);
555 extern am_node *get_ap_child(am_node *, char *);
556 extern bool_t xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead);
557 extern bool_t xdr_amq_map_info_qelem(XDR *xdrs, qelem *qhead);
558 extern fserver *find_nfs_srvr(mntfs *mf);
559 extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *mntdir, char *fs_name, mntfs *mf);
560 extern int process_all_regular_maps(void);
561 extern cf_map_t *find_cf_map(const char *name);
562 extern int set_conf_kv(const char *section, const char *k, const char *v);
563 extern int mount_node(opaque_t arg);
564 extern int unmount_mp(am_node *mp);
565 extern int conf_parse(void); /* "yyparse" renamed */
566 extern FILE *conf_in; /* "yyin" renamed */
568 extern void amfs_mkcacheref(mntfs *mf);
569 extern int amfs_mount(am_node *mp, mntfs *mf, char *opts);
570 extern void assign_error_mntfs(am_node *mp);
571 extern am_node *next_nonerror_node(am_node *xp);
572 extern void flush_srvr_nfs_cache(fserver *fs);
573 extern void am_mounted(am_node *);
574 extern void mf_mounted(mntfs *mf, bool_t call_free_opts);
575 extern void am_unmounted(am_node *);
576 extern am_node *get_exported_ap(int index);
577 extern am_node *get_first_exported_ap(int *index);
578 extern am_node *get_next_exported_ap(int *index);
579 extern am_node *path_to_exported_ap(char *path);
580 extern am_node *exported_ap_alloc(void);
581 extern am_node *find_mf(mntfs *);
582 extern am_node *next_map(int *);
583 extern am_ops *ops_match(am_opts *, char *, char *, char *, char *, char *);
584 extern am_ops *ops_search(char *);
585 extern fserver *dup_srvr(fserver *);
586 extern void srvrlog(fserver *, char *);
587 extern int get_mountd_port(fserver *, u_short *, wchan_t);
588 extern void flush_nfs_fhandle_cache(fserver *);
590 extern mntfs *dup_mntfs(mntfs *);
591 extern am_loc *dup_loc(am_loc *);
592 extern mntfs *find_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *);
593 extern mntfs *locate_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *);
594 extern am_loc *new_loc(void);
595 extern mntfs *new_mntfs(void);
596 extern mntfs *realloc_mntfs(mntfs *, am_ops *, am_opts *, char *, char *, char *, char *, char *);
597 extern void flush_mntfs(void);
598 extern void free_mntfs(voidp);
599 extern void free_loc(voidp);
602 extern void amq_program_1(struct svc_req *rqstp, SVCXPRT *transp);
603 extern int background(void);
604 extern void deslashify(char *);
605 extern void do_task_notify(void);
606 extern int eval_fs_opts(am_opts *, char *, char *, char *, char *, char *);
607 extern int file_read_line(char *, int, FILE *);
608 extern void forcibly_timeout_mp(am_node *);
609 extern void free_map(am_node *);
610 extern void free_opts(am_opts *);
611 extern am_opts *copy_opts(am_opts *);
612 extern void free_srvr(fserver *);
613 extern int fwd_init(void);
614 extern int fwd_packet(int, char *, int, struct sockaddr_in *, struct sockaddr_in *, opaque_t, fwd_fun *);
615 extern void fwd_reply(void);
616 extern void get_args(int argc, char *argv[]);
617 extern wchan_t get_mntfs_wchan(mntfs *mf);
618 extern void host_normalize(char **);
619 extern void init_map(am_node *, char *);
620 extern void ins_que(qelem *, qelem *);
621 extern void insert_am(am_node *, am_node *);
622 extern int make_nfs_auth(void);
623 extern void make_root_node(void);
624 extern void map_flush_srvr(fserver *);
625 extern void mapc_add_kv(mnt_map *, char *, char *);
626 extern mnt_map *mapc_find(char *, char *, const char *, const char *);
627 extern void mapc_free(opaque_t);
628 extern int mapc_keyiter(mnt_map *, key_fun *, opaque_t);
629 extern void mapc_reload(void);
630 extern int mapc_search(mnt_map *, char *, char **);
631 extern void mapc_showtypes(char *buf, size_t l);
632 extern int mapc_type_exists(const char *type);
633 extern void mk_fattr(nfsfattr *, nfsftype);
634 extern int mount_auto_node(char *, opaque_t);
635 extern int mount_automounter(int);
636 extern int mount_exported(void);
637 extern void mp_to_fh(am_node *, am_nfs_fh *);
638 extern void mp_to_fh3(am_node *mp, am_nfs_fh3 *fhp);
639 extern void new_ttl(am_node *);
640 extern void nfs_quick_reply(am_node *mp, int error);
641 extern void normalize_slash(char *);
642 extern void notify_child(am_node *, au_etype, int, int);
643 extern void ops_showamfstypes(char *buf, size_t l);
644 extern void ops_showfstypes(char *outbuf, size_t l);
645 extern void rem_que(qelem *);
646 extern void reschedule_timeout_mp(void);
647 extern void restart(void);
648 extern void restart_automounter_nodes(void);
649 extern int root_keyiter(key_fun *, opaque_t);
650 extern void root_newmap(const char *, const char *, const char *, const cf_map_t *);
651 extern void run_task(task_fun *, opaque_t, cb_fun *, opaque_t);
652 extern void sched_task(cb_fun *, opaque_t, wchan_t);
653 extern int softclock(void);
654 extern int timeout(u_int, void (*fn)(opaque_t), opaque_t);
655 extern void timeout_mp(opaque_t);
656 extern void untimeout(int);
657 extern void umount_exported(void);
658 extern int valid_key(char *);
659 extern void wakeup(wchan_t);
660 extern void wakeup_srvr(fserver *);
661 extern void wakeup_task(int, int, wchan_t);
662 #define SIZEOF_PID_FSNAME (16 + MAXHOSTNAMELEN)
663 extern char pid_fsname[SIZEOF_PID_FSNAME]; /* "kiska.southseas.nz:(pid%d)" */
664 #define SIZEOF_HOSTD (2 * MAXHOSTNAMELEN + 1)
665 extern char hostd[SIZEOF_HOSTD]; /* Host+domain */
666 #define SIZEOF_OPTS 256 /* used for char opts[] and preopts[] */
671 extern SVCXPRT *current_transp; /* For nfs_quick_reply() */
672 extern dispatcher_t nfs_dispatcher;
673 extern char *conf_tag;
674 #define SIZEOF_UID_STR 12
675 #define SIZEOF_GID_STR 12
676 extern char *opt_gid, gid_str[SIZEOF_GID_STR];
677 extern char *opt_uid, uid_str[SIZEOF_UID_STR];
678 extern int NumChildren;
680 extern int select_intr_valid;
681 extern int immediate_abort; /* Should close-down unmounts be retried */
683 extern int use_conf_file; /* use amd configuration file */
684 extern int task_notify_todo; /* Task notifier needs running */
685 extern jmp_buf select_intr;
687 extern struct amu_global_options gopt; /* where global options are stored */
688 extern time_t do_mapc_reload; /* Flush & reload mount map cache */
689 extern time_t next_softclock; /* Time to call softclock() */
691 #ifdef HAVE_SIGACTION
692 extern sigset_t masked_sigs;
693 #endif /* HAVE_SIGACTION */
695 #if defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX)
696 extern char *amfs_link_match(am_opts *fo);
697 #endif /* defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) */
699 #ifdef HAVE_FS_AUTOFS
700 extern int amd_use_autofs;
702 extern int autofs_get_fh(am_node *mp);
703 extern void autofs_release_fh(am_node *mp);
704 extern void autofs_get_mp(am_node *mp);
705 extern void autofs_release_mp(am_node *mp);
706 extern void autofs_add_fdset(fd_set *readfds);
707 extern int autofs_handle_fdset(fd_set *readfds, int nsel);
708 extern void autofs_mounted(am_node *mp);
709 extern void autofs_mount_succeeded(am_node *mp);
710 extern void autofs_mount_failed(am_node *mp);
711 extern int autofs_umount_succeeded(am_node *mp);
712 extern int autofs_umount_failed(am_node *mp);
713 extern int autofs_mount_fs(am_node *mp, mntfs *mf);
714 extern int autofs_umount_fs(am_node *mp, mntfs *mf);
715 extern void autofs_get_opts(char *opts, size_t l, autofs_fh_t *fh);
716 extern int autofs_compute_mount_flags(mntent_t *);
717 extern void autofs_timeout_mp(am_node *);
718 extern int create_autofs_service(void);
719 extern int destroy_autofs_service(void);
720 #endif /* HAVE_FS_AUTOFS */
722 /**************************************************************************/
723 /*** Generic file-system types, implemented as part of the native O/S. ***/
724 /**************************************************************************/
727 * Loopback File System
728 * Many systems can't support this, and in any case most of the
729 * functionality is available with Symlink FS.
732 extern am_ops lofs_ops;
733 extern int mount_lofs(char *mntdir, char *fs_name, char *opts, int on_autofs);
734 #endif /* HAVE_FS_LOFS */
737 * CD-ROM File System (CD-ROM)
738 * (HSFS: High Sierra F/S on some machines)
739 * Many systems can't support this, and in any case most of the
740 * functionality is available with program FS.
743 extern am_ops cdfs_ops;
744 #endif /* HAVE_FS_CDFS */
747 * PC File System (MS-DOS)
748 * Many systems can't support this, and in any case most of the
749 * functionality is available with program FS.
752 extern am_ops pcfs_ops;
753 #endif /* HAVE_FS_PCFS */
757 * Many systems can't support this, and in any case most of the
758 * functionality is available with program FS.
761 extern am_ops udf_ops;
762 #endif /* HAVE_FS_UDF */
764 #ifdef HAVE_FS_LUSTRE
765 extern am_ops lustre_ops;
766 #endif /* HAVE_FS_LUSTRE */
769 * Caching File System (Solaris)
771 #ifdef HAVE_FS_CACHEFS
772 extern am_ops cachefs_ops;
773 #endif /* HAVE_FS_CACHEFS */
776 * In memory /tmp filesystem (Linux, NetBSD)
779 extern am_ops tmpfs_ops;
780 #endif /* HAVE_FS_TMPFS */
782 * Network File System
783 * Good, slow, NFS V.2.
786 extern am_ops nfs_ops; /* NFS */
787 extern fserver *find_nfs_srvr (mntfs *);
788 extern qelem nfs_srvr_list;
789 #endif /* HAVE_FS_NFS */
793 * Normal local disk file system.
796 extern am_ops ufs_ops; /* Un*x file system */
797 #endif /* HAVE_FS_UFS */
799 /* Unix file system (irix) */
801 extern am_ops xfs_ops; /* Un*x file system */
802 #endif /* HAVE_FS_XFS */
804 /* Unix file system (ext*) */
806 extern am_ops ext2_ops; /* Un*x file system */
807 extern am_ops ext3_ops; /* Un*x file system */
808 extern am_ops ext4_ops; /* Un*x file system */
809 #endif /* HAVE_FS_EXT */
811 /* Unix file system (irix) */
813 extern am_ops efs_ops; /* Un*x file system */
814 #endif /* HAVE_FS_EFS */
816 /**************************************************************************/
817 /*** Automounter file-system types, implemented by amd. ***/
818 /**************************************************************************/
821 * Root AMD File System
823 extern am_ops amfs_root_ops; /* Root file system */
826 * Generic amfs helper methods
828 extern am_node *amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op);
829 extern am_node *amfs_generic_mount_child(am_node *ap, int *error_return);
830 extern int amfs_generic_readdir(am_node *mp, voidp cookie, voidp dp, voidp ep, u_int count);
831 extern int amfs_generic_umount(am_node *mp, mntfs *mf);
832 extern void amfs_generic_mounted(mntfs *mf);
833 extern char *amfs_generic_match(am_opts *fo);
834 extern fserver *amfs_generic_find_srvr(mntfs *);
837 * Automount File System
839 #ifdef HAVE_AMU_FS_AUTO
840 extern am_ops amfs_auto_ops; /* Automount file system (this!) */
841 #endif /* HAVE_AMU_FS_AUTO */
844 * Toplvl Automount File System
846 #ifdef HAVE_AMU_FS_TOPLVL
847 extern am_ops amfs_toplvl_ops; /* Toplvl Automount file system */
848 extern int amfs_toplvl_mount(am_node *mp, mntfs *mf);
849 extern int amfs_toplvl_umount(am_node *mp, mntfs *mf);
850 #endif /* HAVE_AMU_FS_TOPLVL */
853 * Direct Automount File System
855 #ifdef HAVE_AMU_FS_DIRECT
856 extern am_ops amfs_direct_ops; /* Direct Automount file system (this too) */
857 #endif /* HAVE_AMU_FS_DIRECT */
862 #ifdef HAVE_AMU_FS_ERROR
863 extern am_ops amfs_error_ops; /* Error file system */
864 extern am_node *amfs_error_lookup_child(am_node *mp, char *fname, int *error_return, int op);
865 extern am_node *amfs_error_mount_child(am_node *ap, int *error_return);
866 extern int amfs_error_readdir(am_node *mp, voidp cookie, voidp dp, voidp ep, u_int count);
868 #endif /* HAVE_AMU_FS_ERROR */
871 * NFS mounts with local existence check.
873 #ifdef HAVE_AMU_FS_NFSL
874 extern am_ops amfs_nfsl_ops; /* NFSL */
875 #endif /* HAVE_AMU_FS_NFSL */
880 #ifdef HAVE_AMU_FS_NFSX
881 extern am_ops amfs_nfsx_ops; /* NFSX */
882 #endif /* HAVE_AMU_FS_NFSX */
885 * NFS host - a whole tree.
887 #ifdef HAVE_AMU_FS_HOST
888 extern am_ops amfs_host_ops; /* NFS host */
889 #endif /* HAVE_AMU_FS_HOST */
892 * Program File System
893 * This is useful for things like RVD.
895 #ifdef HAVE_AMU_FS_PROGRAM
896 extern am_ops amfs_program_ops; /* Program File System */
897 #endif /* HAVE_AMU_FS_PROGRAM */
900 * Symbolic-link file system.
901 * A "filesystem" which is just a symbol link.
903 #ifdef HAVE_AMU_FS_LINK
904 extern am_ops amfs_link_ops; /* Symlink FS */
905 #endif /* HAVE_AMU_FS_LINK */
908 * Symbolic-link file system, which also checks that the target of
909 * the symlink exists.
910 * A "filesystem" which is just a symbol link.
912 #ifdef HAVE_AMU_FS_LINKX
913 extern am_ops amfs_linkx_ops; /* Symlink FS with existence check */
914 #endif /* HAVE_AMU_FS_LINKX */
919 #ifdef HAVE_AMU_FS_UNION
920 extern am_ops amfs_union_ops; /* Union FS */
921 #endif /* HAVE_AMU_FS_UNION */
923 #endif /* not _AMD_H */