/* $NetBSD: amd.h,v 1.5 2006/02/05 16:28:55 christos Exp $ */ /* * Copyright (c) 1997-2005 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 acknowledgment: * 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. * * * File: am-utils/amd/amd.h * */ #ifndef _AMD_H #define _AMD_H /* * MACROS: */ /* * Define a default debug mtab path for systems * that support mtab on file. */ #ifdef MOUNT_TABLE_ON_FILE # define DEBUG_MNTTAB_FILE "/tmp/mnttab" #endif /* MOUNT_TABLE_ON_FILE */ /* options for amd.conf */ #define CFM_BROWSABLE_DIRS 0x00000001 #define CFM_MOUNT_TYPE_AUTOFS 0x00000002 /* use kernel autofs support */ #define CFM_SELECTORS_IN_DEFAULTS 0x00000004 #define CFM_NORMALIZE_HOSTNAMES 0x00000008 #define CFM_PROCESS_LOCK 0x00000010 #define CFM_PRINT_PID 0x00000020 #define CFM_RESTART_EXISTING_MOUNTS 0x00000040 #define CFM_SHOW_STATFS_ENTRIES 0x00000080 #define CFM_FULLY_QUALIFIED_HOSTS 0x00000100 #define CFM_BROWSABLE_DIRS_FULL 0x00000200 /* allow '/' in readdir() */ #define CFM_UNMOUNT_ON_EXIT 0x00000400 /* when amd finishing */ #define CFM_USE_TCPWRAPPERS 0x00000800 #define CFM_AUTOFS_USE_LOFS 0x00001000 #define CFM_NFS_INSECURE_PORT 0x00002000 #define CFM_DOMAIN_STRIP 0x00004000 #define CFM_NORMALIZE_SLASHES 0x00008000 /* normalize slashes? */ #define CFM_FORCED_UNMOUNTS 0x00010000 /* forced unmounts? */ #define CFM_TRUNCATE_LOG 0x00020000 /* truncate log file? */ /* defaults global flags: plock, tcpwrappers, and autofs/lofs */ #define CFM_DEFAULT_FLAGS (CFM_PROCESS_LOCK|CFM_USE_TCPWRAPPERS|CFM_AUTOFS_USE_LOFS|CFM_DOMAIN_STRIP|CFM_NORMALIZE_SLASHES) /* * macro definitions for automounter vfs/vnode operations. */ #define VLOOK_CREATE 0x1 #define VLOOK_DELETE 0x2 #define VLOOK_LOOKUP 0x3 /* * macro definitions for automounter vfs capabilities */ #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 */ #define FS_AUTOFS 0x0080 /* This filesystem can be an autofs f/s */ #define FS_DIRECT 0x0100 /* Direct mount */ #define FS_ON_AUTOFS 0x0200 /* This filesystem can be mounted directly onto an autofs mountpoint */ /* * macros for struct am_node (map of auto-mount points). */ #define AMF_NOTIMEOUT 0x0001 /* This node never times out */ #define AMF_ROOT 0x0002 /* This is a root node */ #define AMF_AUTOFS 0x0004 /* This node is part of an autofs filesystem */ #define AMF_REMOUNT 0x0008 /* This node needs to be remounted */ #define AMF_SOFTLOOKUP 0x0010 /* This node returns EIO if server is down */ /* * macros for struct mntfs (list of mounted filesystems) */ #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 */ #define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */ #define MFF_IS_AUTOFS 0x0400 /* this filesystem is of type autofs */ #define MFF_NFS_SCALEDOWN 0x0800 /* the mount failed, retry with v2/UDP */ #define MFF_ON_AUTOFS 0x1000 /* autofs has a lofs/link to this f/s */ #define MFF_WEBNFS 0x2000 /* use public filehandle */ /* * macros for struct fserver. */ #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 occurred */ #define FSF_WANT 0x0008 /* Want a wakeup call */ #define FSF_PINGING 0x0010 /* Already doing pings */ #define FSF_WEBNFS 0x0020 /* Don't try to contact portmapper */ #define FSF_PING_UNINIT 0x0040 /* ping values have not been initilized */ #define FSF_FORCE_UNMOUNT 0x0080 /* force umount of this fserver */ #define FSRV_ERROR(fs) ((fs) && (((fs)->fs_flags & FSF_ERROR) == FSF_ERROR)) #define FSRV_ISDOWN(fs) ((fs) && (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID))) #define FSRV_ISUP(fs) (!(fs) || (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID))) /* 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 */ /* * Error to return if remote host is not available. * Try, in order, "host down", "host unreachable", "invalid argument". */ #ifdef EHOSTDOWN # define AM_ERRNO_HOST_DOWN EHOSTDOWN #else /* not EHOSTDOWN */ # ifdef EHOSTUNREACH # define AM_ERRNO_HOST_DOWN EHOSTUNREACH # else /* not EHOSTUNREACH */ # define AM_ERRNO_HOST_DOWN EINVAL # endif /* not EHOSTUNREACH */ #endif /* not EHOSTDOWN */ /* Hash table size */ #define NKVHASH (1 << 2) /* Power of two */ /* Max entries to return in one call */ #define MAX_READDIR_ENTRIES 16 /* * default amfs_auto retrans - 1/10th seconds */ #define AMFS_AUTO_RETRANS(x) ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo[(x)])/gopt.amfs_auto_timeo[(x)] * 2) /* * The following values can be tuned... */ #define AM_TTL (300) /* Default cache period (5 min) */ #define AM_TTL_W (120) /* Default unmount interval (2 min) */ #define AM_PINGER 30 /* NFS ping interval for live systems */ #define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */ #define AMFS_EXEC_MAP_TIMEOUT 10 /* default 10sec exec map timeout */ /* interval between forced retries of a mount */ #define RETRY_INTERVAL 2 #ifndef ROOT_MAP # define ROOT_MAP "\"root\"" #endif /* not ROOT_MAP */ #define ereturn(x) do { *error_return = x; return 0; } while (0) #define NEVER (time_t) 0 #if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) # define AMD_SERVICE_NAME "amd" /* for tcpwrappers */ #endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */ /* * TYPEDEFS: */ typedef struct cf_map cf_map_t; typedef struct kv kv; typedef struct am_node am_node; typedef struct mntfs mntfs; typedef struct am_opts am_opts; typedef struct am_ops am_ops; typedef struct am_stats am_stats; typedef struct fserver fserver; typedef voidp wchan_t; typedef voidp opaque_t; /* * 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 *); typedef int task_fun(opaque_t); typedef void cb_fun(int, int, opaque_t); typedef void fwd_fun(voidp, int, struct sockaddr_in *, struct sockaddr_in *, opaque_t, int); typedef int key_fun(char *, opaque_t); typedef void callout_fun(opaque_t); /* * automounter vfs/vnode operations. */ typedef char *(*vfs_match) (am_opts *); typedef int (*vfs_init) (mntfs *); typedef int (*vmount_fs) (am_node *, mntfs *); typedef int (*vumount_fs) (am_node *, mntfs *); typedef am_node *(*vlookup_child) (am_node *, char *, int *, int); typedef am_node *(*vmount_child) (am_node *, int *); typedef int (*vreaddir) (am_node *, nfscookie, nfsdirlist *, nfsentry *, u_int); typedef am_node *(*vreadlink) (am_node *, int *); typedef void (*vmounted) (mntfs *); typedef void (*vumounted) (mntfs *); typedef fserver *(*vffserver) (mntfs *); typedef wchan_t (*vget_wchan) (mntfs *); /* * 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 */ int auto_attrcache; /* attribute cache timeout for auto dirs */ char *cluster; /* cluster name */ char *karch; /* kernel architecture */ char *logfile; /* amd log file */ char *op_sys; /* operating system name ${os} */ char *op_sys_ver; /* OS version ${osver} */ char *op_sys_full; /* full OS name ${full_os} */ char *op_sys_vendor; /* name of OS vendor ${vendor} */ char *pid_file; /* PID file */ char *sub_domain; /* local domain */ char *localhost_address; /* localhost address (NULL means use 127.0.0.1) */ char *map_defaults; /* global map /default options */ char *map_options; /* global map options */ int map_reload_interval; /* map reload interval */ char *map_type; /* global map type */ char *search_path; /* search path for maps */ char *mount_type; /* mount type for map */ char *debug_mtab_file; /* path for the mtab file during debug mode */ u_int flags; /* various CFM_* flags */ #define AMU_TYPE_NONE -1 /* for amfs_auto_{retrans,timeo} */ #define AMU_TYPE_UDP 0 /* for amfs_auto_{retrans,timeo} */ #define AMU_TYPE_TCP 1 /* for amfs_auto_{retrans,timeo} */ #define AMU_TYPE_MAX 2 /* for amfs_auto_{retrans,timeo} */ int amfs_auto_retrans[AMU_TYPE_MAX]; /* NFS retransmit counter */ int amfs_auto_timeo[AMU_TYPE_MAX]; /* NFS retry interval */ int am_timeo; /* cache duration */ int am_timeo_w; /* dismount interval */ u_long portmap_program; /* amd RPC program number */ u_short preferred_amq_port; /* preferred amq service RPC port number (0 means "any") */ #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) */ long ldap_proto_version; /* LDAP protocol version */ #endif /* HAVE_MAP_LDAP */ #ifdef HAVE_MAP_NIS char *nis_domain; /* YP domain name */ #endif /* HAVE_MAP_NIS */ char *nfs_proto; /* NFS protocol (NULL, udp, tcp) */ int nfs_vers; /* NFS version (0, 2, 3, 4) */ u_int exec_map_timeout; /* timeout (seconds) for executable maps */ }; /* 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_defaults; /* map /defaults options in amd.conf */ 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? */ struct cf_map *cfm_next; /* pointer to next in list (if any) */ }; /* * 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 */ u_int reloads; /* Number of times map was reloaded */ 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 */ cf_map_t *cfm; /* pointer to per-map amd.conf opts, if any */ void *map_data; /* Map data black box */ }; /* * 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_mount_type; /* "nfs" or "autofs" */ char *opt_unmount; char *opt_umount; /* an "alias" for opt_unmount (type:=program) */ char *opt_user; char *opt_maptype; /* map type: file, nis, hesiod, etc. */ char *opt_cachedir; /* cache directory */ char *opt_addopts; /* options to add to opt_opts */ }; struct am_ops { char *fs_type; /* type of filesystems e.g. "nfsx" */ vfs_match fs_match; /* fxn: match */ vfs_init fs_init; /* fxn: initialization */ vmount_fs mount_fs; /* fxn: mount my own vnode */ vumount_fs umount_fs; /* fxn: unmount my own vnode */ vlookup_child lookup_child; /* fxn: lookup path-name */ vmount_child mount_child; /* fxn: mount path-name */ vreaddir readdir; /* fxn: read directory */ vreadlink readlink; /* fxn: read link */ vmounted mounted; /* fxn: after-mount extra actions */ vumounted umounted; /* fxn: after-umount extra actions */ vffserver ffserver; /* fxn: find a file server */ vget_wchan get_wchan; /* fxn: get the waiting channel */ int nfs_fs_flags; /* filesystem flags FS_* for nfs mounts */ #ifdef HAVE_FS_AUTOFS int autofs_fs_flags;/* filesystem flags FS_* for autofs mounts */ #endif /* HAVE_FS_AUTOFS */ }; /* * 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 */ char *mf_loopdev; /* loop device name for /dev/loop mounts */ fserver *mf_server; /* File server */ int mf_fsflags; /* Flags FS_* copied from mf_ops->*_fs_flags */ int mf_flags; /* Flags MFF_* */ 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) (opaque_t); /* Free private space */ opaque_t mf_private; /* Private - per-fs data */ }; /* * List of fileservers */ struct fserver { qelem fs_q; /* List of fileservers */ int fs_refc; /* Number of references to this server */ 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 */ u_long fs_version; /* NFS version of server (2, 3, etc.)*/ char *fs_proto; /* NFS protocol of server (tcp, udp, etc.) */ opaque_t fs_private; /* Private data */ void (*fs_prfree) (opaque_t); /* Free private data */ }; /* * 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 */ }; /* * System statistics */ struct amd_stats { int d_drops; /* Dropped requests */ int d_stale; /* Stale NFS handles */ int d_mok; /* Successful mounts */ int d_merr; /* Failed mounts */ int d_uerr; /* Failed unmounts */ }; extern struct amd_stats amd_stats; /* * Map of auto-mount points. */ struct am_node { int am_mapno; /* Map number */ mntfs *am_mnt; /* Mounted filesystem */ mntfs **am_mfarray; /* Filesystem sources to try to mount */ 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-dir */ am_node *am_parent; /* Parent of this node */ am_node *am_ysib; /* Younger sibling of this node */ am_node *am_osib; /* Older sibling of this node */ am_node *am_child; /* First child of this node */ nfsattrstat am_attr; /* File attributes */ #define am_fattr am_attr.ns_u.ns_attr_u int am_flags; /* Boolean flags AMF_* */ int am_error; /* Specific mount error */ time_t am_ttl; /* Time to live */ int am_timeo_w; /* Dismount wait interval */ int am_timeo; /* Cache timeout interval */ u_int am_gen; /* Generation number */ char *am_pref; /* Mount info prefix */ am_stats am_stats; /* Statistics gathering */ SVCXPRT *am_transp; /* Info for quick reply */ dev_t am_dev; /* Device number */ dev_t am_rdev; /* Remote/real device number */ #ifdef HAVE_FS_AUTOFS autofs_fh_t *am_autofs_fh; time_t am_autofs_ttl; /* Time to expire autofs nodes */ #endif /* HAVE_FS_AUTOFS */ }; /* * 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 amq_string *amqproc_pawd_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 *get_root_nfs_fh(char *dir); extern am_node *find_ap(char *); extern am_node *get_ap_child(am_node *, char *); extern bool_t xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead); extern fserver *find_nfs_srvr(mntfs *mf); extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *mntdir, char *fs_name, mntfs *mf); extern int process_all_regular_maps(void); extern cf_map_t *find_cf_map(const char *name); extern int set_conf_kv(const char *section, const char *k, const char *v); extern int mount_node(opaque_t arg); extern int unmount_mp(am_node *mp); extern int yyparse (void); extern void amfs_mkcacheref(mntfs *mf); extern int amfs_mount(am_node *mp, mntfs *mf, char *opts); extern void assign_error_mntfs(am_node *mp); extern am_node *next_nonerror_node(am_node *xp); extern void flush_srvr_nfs_cache(fserver *fs); extern void am_mounted(am_node *); extern void mf_mounted(mntfs *mf, bool_t call_free_opts); extern void am_unmounted(am_node *); extern am_node *get_exported_ap(int index); extern am_node *get_first_exported_ap(int *index); extern am_node *get_next_exported_ap(int *index); extern am_node *path_to_exported_ap(char *path); extern am_node *exported_ap_alloc(void); extern am_node *find_mf(mntfs *); extern am_node *next_map(int *); extern am_ops *ops_match(am_opts *, char *, char *, char *, char *, char *); extern am_ops *ops_search(char *); extern fserver *dup_srvr(fserver *); extern void srvrlog(fserver *, char *); extern int get_mountd_port(fserver *, u_short *, wchan_t); extern void flush_nfs_fhandle_cache(fserver *); extern mntfs *dup_mntfs(mntfs *); extern mntfs *find_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *); extern mntfs *locate_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *); extern mntfs *new_mntfs(void); extern mntfs *realloc_mntfs(mntfs *, am_ops *, am_opts *, char *, char *, char *, char *, char *); extern void flush_mntfs(void); extern void free_mntfs(voidp); extern void amq_program_1(struct svc_req *rqstp, SVCXPRT *transp); extern int background(void); extern void deslashify(char *); extern void do_task_notify(void); extern int eval_fs_opts(am_opts *, char *, char *, char *, char *, char *); extern void forcibly_timeout_mp(am_node *); extern void free_map(am_node *); extern void free_opts(am_opts *); extern void free_srvr(fserver *); extern int fwd_init(void); extern int fwd_packet(int, char *, int, struct sockaddr_in *, struct sockaddr_in *, opaque_t, fwd_fun *); extern void fwd_reply(void); extern void get_args(int argc, char *argv[]); extern wchan_t get_mntfs_wchan(mntfs *mf); extern void host_normalize(char **); extern void init_map(am_node *, char *); extern void ins_que(qelem *, qelem *); extern void insert_am(am_node *, am_node *); extern int make_nfs_auth(void); extern void make_root_node(void); extern void map_flush_srvr(fserver *); extern void mapc_add_kv(mnt_map *, char *, char *); extern mnt_map *mapc_find(char *, char *, const char *); extern void mapc_free(opaque_t); extern int mapc_keyiter(mnt_map *, key_fun, opaque_t); extern void mapc_reload(void); extern int mapc_search(mnt_map *, char *, char **); extern void mapc_showtypes(char *buf, size_t l); extern int mapc_type_exists(const char *type); extern void mk_fattr(nfsfattr *, nfsftype); extern int mount_auto_node(char *, opaque_t); extern int mount_automounter(int); extern int mount_exported(void); extern void mp_to_fh(am_node *, am_nfs_fh *); extern void new_ttl(am_node *); extern void nfs_quick_reply(am_node *mp, int error); extern void normalize_slash(char *); extern void ops_showamfstypes(char *buf, size_t l); extern void ops_showfstypes(char *outbuf, size_t l); extern void rem_que(qelem *); extern void reschedule_timeout_mp(void); extern void restart(void); extern void restart_automounter_nodes(void); extern int root_keyiter(key_fun *, opaque_t); extern void root_newmap(const char *, const char *, const char *, const cf_map_t *); extern void run_task(task_fun *, opaque_t, cb_fun *, opaque_t); extern void sched_task(cb_fun *, opaque_t, wchan_t); extern int softclock(void); extern int timeout(u_int, void (*fn)(opaque_t), opaque_t); extern void timeout_mp(opaque_t); extern void untimeout(int); extern void umount_exported(void); extern int valid_key(char *); extern void wakeup(wchan_t); extern void wakeup_srvr(fserver *); extern void wakeup_task(int, int, wchan_t); #define SIZEOF_PID_FSNAME (16 + MAXHOSTNAMELEN) extern char pid_fsname[SIZEOF_PID_FSNAME]; /* "kiska.southseas.nz:(pid%d)" */ #define SIZEOF_HOSTD (2 * MAXHOSTNAMELEN + 1) extern char hostd[SIZEOF_HOSTD]; /* Host+domain */ #define SIZEOF_OPTS 256 /* used for char opts[] and preopts[] */ /* * Global variables. */ extern FILE *yyin; extern SVCXPRT *current_transp; /* For nfs_quick_reply() */ extern char *conf_tag; #define SIZEOF_UID_STR 12 #define SIZEOF_GID_STR 12 extern char *opt_gid, gid_str[SIZEOF_GID_STR]; extern char *opt_uid, uid_str[SIZEOF_UID_STR]; extern int NumChildren; extern int fwd_sock; extern int select_intr_valid; extern int immediate_abort; /* Should close-down unmounts be retried */ extern int usage; extern int use_conf_file; /* use amd configuration file */ extern int task_notify_todo; /* Task notifier needs running */ extern jmp_buf select_intr; extern qelem mfhead; extern struct amu_global_options gopt; /* where global options are stored */ extern time_t do_mapc_reload; /* Flush & reload mount map cache */ extern time_t next_softclock; /* Time to call softclock() */ #ifdef HAVE_SIGACTION extern sigset_t masked_sigs; #endif /* HAVE_SIGACTION */ #if defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) extern char *amfs_link_match(am_opts *fo); #endif /* defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) */ #ifdef HAVE_FS_AUTOFS extern int amd_use_autofs; extern int autofs_get_fh(am_node *mp); extern void autofs_release_fh(am_node *mp); extern void autofs_get_mp(am_node *mp); extern void autofs_release_mp(am_node *mp); extern void autofs_add_fdset(fd_set *readfds); extern int autofs_handle_fdset(fd_set *readfds, int nsel); extern void autofs_mounted(am_node *mp); extern void autofs_mount_succeeded(am_node *mp); extern void autofs_mount_failed(am_node *mp); extern int autofs_umount_succeeded(am_node *mp); extern int autofs_umount_failed(am_node *mp); extern int autofs_mount_fs(am_node *mp, mntfs *mf); extern int autofs_umount_fs(am_node *mp, mntfs *mf); extern void autofs_get_opts(char *opts, size_t l, autofs_fh_t *fh); extern int autofs_compute_mount_flags(mntent_t *); extern void autofs_timeout_mp(am_node *); extern int create_autofs_service(void); extern int destroy_autofs_service(void); #endif /* HAVE_FS_AUTOFS */ /**************************************************************************/ /*** Generic file-system types, implemented as part of the native O/S. ***/ /**************************************************************************/ /* * Loopback File System * Many systems can't support this, and in any case most of the * functionality is available with Symlink FS. */ #ifdef HAVE_FS_LOFS extern am_ops lofs_ops; extern int mount_lofs(char *mntdir, char *fs_name, char *opts, int on_autofs); #endif /* HAVE_FS_LOFS */ /* * CD-ROM File System (CD-ROM) * (HSFS: High Sierra F/S on some machines) * Many systems can't support this, and in any case most of the * functionality is available with program FS. */ #ifdef HAVE_FS_CDFS extern am_ops cdfs_ops; #endif /* HAVE_FS_CDFS */ /* * PC File System (MS-DOS) * Many systems can't support this, and in any case most of the * functionality is available with program FS. */ #ifdef HAVE_FS_PCFS extern am_ops pcfs_ops; #endif /* HAVE_FS_PCFS */ /* * Caching File System (Solaris) */ #ifdef HAVE_FS_CACHEFS extern am_ops cachefs_ops; #endif /* HAVE_FS_CACHEFS */ /* * Network File System * Good, slow, NFS V.2. */ #ifdef HAVE_FS_NFS extern am_ops nfs_ops; /* NFS */ extern fserver *find_nfs_srvr (mntfs *); extern qelem nfs_srvr_list; #endif /* HAVE_FS_NFS */ /* * Un*x File System * Normal local disk file system. */ #ifdef HAVE_FS_UFS extern am_ops ufs_ops; /* Un*x file system */ #endif /* HAVE_FS_UFS */ /* 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 */ /**************************************************************************/ /*** Automounter file-system types, implemented by amd. ***/ /**************************************************************************/ /* * Root AMD File System */ extern am_ops amfs_root_ops; /* Root file system */ /* * Generic amfs helper methods */ extern am_node *amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op); extern am_node *amfs_generic_mount_child(am_node *ap, int *error_return); extern int amfs_generic_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count); extern int amfs_generic_umount(am_node *mp, mntfs *mf); extern void amfs_generic_mounted(mntfs *mf); extern char *amfs_generic_match(am_opts *fo); extern fserver *amfs_generic_find_srvr(mntfs *); /* * Automount File System */ #ifdef HAVE_AMU_FS_AUTO extern am_ops amfs_auto_ops; /* Automount file system (this!) */ #endif /* HAVE_AMU_FS_AUTO */ /* * Toplvl Automount File System */ #ifdef HAVE_AMU_FS_TOPLVL extern am_ops amfs_toplvl_ops; /* Toplvl Automount file system */ extern int amfs_toplvl_mount(am_node *mp, mntfs *mf); extern int amfs_toplvl_umount(am_node *mp, mntfs *mf); #endif /* HAVE_AMU_FS_TOPLVL */ /* * Direct Automount File System */ #ifdef HAVE_AMU_FS_DIRECT extern am_ops amfs_direct_ops; /* Direct Automount file system (this too) */ #endif /* HAVE_AMU_FS_DIRECT */ /* * Error File System */ #ifdef HAVE_AMU_FS_ERROR extern am_ops amfs_error_ops; /* Error file system */ extern am_node *amfs_error_lookup_child(am_node *mp, char *fname, int *error_return, int op); extern am_node *amfs_error_mount_child(am_node *ap, int *error_return); extern int amfs_error_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count); #endif /* HAVE_AMU_FS_ERROR */ /* * NFS mounts with local existence check. */ #ifdef HAVE_AMU_FS_NFSL extern am_ops amfs_nfsl_ops; /* NFSL */ #endif /* HAVE_AMU_FS_NFSL */ /* * Multi-nfs mounts. */ #ifdef HAVE_AMU_FS_NFSX extern am_ops amfs_nfsx_ops; /* NFSX */ #endif /* HAVE_AMU_FS_NFSX */ /* * NFS host - a whole tree. */ #ifdef HAVE_AMU_FS_HOST extern am_ops amfs_host_ops; /* NFS host */ #endif /* HAVE_AMU_FS_HOST */ /* * Program File System * This is useful for things like RVD. */ #ifdef HAVE_AMU_FS_PROGRAM extern am_ops amfs_program_ops; /* Program File System */ #endif /* HAVE_AMU_FS_PROGRAM */ /* * Symbolic-link file system. * A "filesystem" which is just a symbol link. */ #ifdef HAVE_AMU_FS_LINK extern am_ops amfs_link_ops; /* Symlink FS */ #endif /* HAVE_AMU_FS_LINK */ /* * Symbolic-link file system, which also checks that the target of * the symlink exists. * A "filesystem" which is just a symbol link. */ #ifdef HAVE_AMU_FS_LINKX extern am_ops amfs_linkx_ops; /* Symlink FS with existence check */ #endif /* HAVE_AMU_FS_LINKX */ /* * Union file system */ #ifdef HAVE_AMU_FS_UNION extern am_ops amfs_union_ops; /* Union FS */ #endif /* HAVE_AMU_FS_UNION */ #endif /* not _AMD_H */