/* * Copyright (c) 1997-1998 Erez Zadok * Copyright (c) 1990 Jan-Simon Pendry * Copyright (c) 1990 Imperial College of Science, Technology & Medicine * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * %W% (Berkeley) %G% * * $Id: am_utils.h,v 1.1 1996/01/13 23:23:39 ezk Exp ezk $ * */ /* * Definitions that are specific to the am-utils package. */ #ifndef _AM_UTILS_H #define _AM_UTILS_H /**************************************************************************/ /*** MACROS ***/ /**************************************************************************/ /* * General macros. */ #ifndef FALSE # define FALSE 0 #endif /* not FALSE */ #ifndef TRUE # define TRUE 1 #endif /* not TRUE */ #ifndef MAX # define MAX(a, b) ((a) > (b) ? (a) : (b)) #endif /* not MAX */ #ifndef MIN # define MIN(a, b) ((a) < (b) ? (a) : (b)) #endif /* not MIN */ #define ONE_HOUR (60 * 60) /* One hour in seconds */ #ifndef MAXHOSTNAMELEN # ifdef HOSTNAMESZ # define MAXHOSTNAMELEN HOSTNAMESZ # else /* not HOSTNAMESZ */ # define MAXHOSTNAMELEN 64 # endif /* not HOSTNAMESZ */ #endif /* not MAXHOSTNAMELEN */ /* * String comparison macros */ #define STREQ(s1, s2) (strcmp((s1), (s2)) == 0) #define STRCEQ(s1, s2) (strcasecmp((s1), (s2)) == 0) #define NSTREQ(s1, s2, n) (strncmp((s1), (s2), (n)) == 0) #define FSTREQ(s1, s2) ((*(s1) == *(s2)) && STREQ((s1),(s2))) /* * Logging options/flags */ #define XLOG_FATAL 0x0001 #define XLOG_ERROR 0x0002 #define XLOG_USER 0x0004 #define XLOG_WARNING 0x0008 #define XLOG_INFO 0x0010 #define XLOG_DEBUG 0x0020 #define XLOG_MAP 0x0040 #define XLOG_STATS 0x0080 #define XLOG_DEFSTR "all,nomap,nostats" /* Default log options */ #define XLOG_ALL (XLOG_FATAL|XLOG_ERROR|XLOG_USER|XLOG_WARNING|XLOG_INFO|XLOG_MAP|XLOG_STATS) #define clocktime() (clock_valid ? clock_valid : time(&clock_valid)) #ifndef ROOT_MAP # define ROOT_MAP "\"root\"" #endif /* not ROOT_MAP */ #define NO_SUBNET "notknown" /* default subnet name for no subnet */ #define NEXP_AP (1022) /* gdmr: was 254 */ #define NEXP_AP_MARGIN (128) #define MAX_READDIR_ENTRIES 16 /* * Linked list macros */ #define AM_FIRST(ty, q) ((ty *) ((q)->q_forw)) #define AM_LAST(ty, q) ((ty *) ((q)->q_back)) #define NEXT(ty, q) ((ty *) (((qelem *) q)->q_forw)) #define PREV(ty, q) ((ty *) (((qelem *) q)->q_back)) #define HEAD(ty, q) ((ty *) q) #define ITER(v, ty, q) \ for ((v) = AM_FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v))) /* allocate anything of type ty */ #define ALLOC(ty) ((ty *) xmalloc(sizeof(ty))) #define CALLOC(ty) ((ty *) xcalloc(1, sizeof(ty))) /* converting am-filehandles to mount-points */ #define fh_to_mp2(fhp, rp) fh_to_mp3(fhp, rp, VLOOK_CREATE) /* * Systems which have the mount table in a file need to read it before * they can perform an unmount() system call. */ #define UMOUNT_FS(dir, mtb_name) umount_fs(dir, mtb_name) /* imported via $srcdir/conf/umount/umount_*.c */ extern int umount_fs(char *fs_name, const char *mnttabname); /* * macros for automounter vfs/vnode operations. */ #define VLOOK_CREATE 0x1 #define VLOOK_DELETE 0x2 #define FS_DIRECTORY 0x0001 /* This looks like a dir, not a link */ #define FS_MBACKGROUND 0x0002 /* Should background this mount */ #define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */ #define FS_MKMNT 0x0008 /* Need to make the mount point */ #define FS_UBACKGROUND 0x0010 /* Unmount in background */ #define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND) #define FS_DISCARD 0x0020 /* Discard immediately on last reference */ #define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */ /* * 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 occured */ #define FSF_WANT 0x0008 /* Want a wakeup call */ #define FSF_PINGING 0x0010 /* Already doing pings */ #define FSRV_ISDOWN(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID)) #define FSRV_ISUP(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID)) /* * 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 */ #ifdef HAVE_AM_FS_NFSL # define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */ #endif /* HAVE_AM_FS_NFSL */ /* * 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 */ #ifdef HAVE_FS_AUTOFS # define AMF_AUTOFS 0x0004 /* this node is of type autofs */ #endif /* HAVE_FS_AUTOFS */ /* * The following values can be tuned... */ #define ALLOWED_MOUNT_TIME 40 /* 40s for a mount */ #define AM_TTL (5 * 60) /* Default cache period */ #define AM_TTL_W (2 * 60) /* Default unmount interval */ #define AM_PINGER 30 /* NFS ping interval for live systems */ #define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */ /* * default amfs_auto retrans - 1/10th seconds */ #define AMFS_AUTO_RETRANS ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo)/gopt.amfs_auto_timeo * 2) /* * RPC-related macros. */ #define RPC_XID_PORTMAP 0 #define RPC_XID_MOUNTD 1 #define RPC_XID_NFSPING 2 #define RPC_XID_MASK (0x0f) /* 16 id's for now */ #define MK_RPC_XID(type_id, uniq) ((type_id) | ((uniq) << 4)) /* * What level of AMD are we backward compatible with? * This only applies to externally visible characteristics. * Rev.Minor.Branch.Patch (2 digits each) */ #define AMD_COMPAT 5000000 /* 5.0 */ /* * 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 */ /**************************************************************************/ /*** STRUCTURES AND TYPEDEFS ***/ /**************************************************************************/ /* some typedefs must come first */ typedef char *amq_string; typedef struct mntfs mntfs; typedef struct am_opts am_opts; typedef struct am_ops am_ops; typedef struct am_node am_node; typedef struct _qelem qelem; typedef struct mntlist mntlist; typedef struct fserver fserver; /* * Linked list * (the name 'struct qelem' conflicts with linux's unistd.h) */ struct _qelem { qelem *q_forw; qelem *q_back; }; /* * Option tables */ struct opt_tab { char *opt; int flag; }; /* * Server states */ typedef enum { Start, Run, Finishing, Quit, Done } serv_state; /* * 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_autopref; char *opt_cache; char *opt_rfs; char *opt_rhost; char *opt_sublink; char *opt_type; char *opt_unmount; 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 */ }; /* * List of mounted filesystems */ struct mntfs { qelem mf_q; /* List of mounted filesystems */ am_ops *mf_ops; /* Operations on this mountpoint */ am_opts *mf_fo; /* File opts */ char *mf_mount; /* "/a/kiska/home/kiska" */ char *mf_info; /* Mount info */ char *mf_auto; /* Automount opts */ char *mf_mopts; /* FS mount opts */ char *mf_remopts; /* Remote FS mount opts */ fserver *mf_server; /* File server */ int mf_flags; /* Flags 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) (voidp); /* Free private space */ voidp mf_private; /* Private - per-fs data */ }; /* * File Handle * * This is interpreted by indexing the exported array * by fhh_id. * * The whole structure is mapped onto a standard fhandle_t * when transmitted. */ struct am_fh { int fhh_pid; /* process id */ int fhh_id; /* map id */ int fhh_gen; /* generation number */ }; /* * Multi-protocol NFS file handle */ union am_nfs_handle { /* placeholder for V4 file handle */ #ifdef HAVE_FS_NFS3 struct mountres3 v3; /* NFS version 3 handle */ #endif /* HAVE_FS_NFS3 */ struct fhstatus v2; /* NFS version 2 handle */ }; typedef union am_nfs_handle am_nfs_handle_t; /* * automounter vfs/vnode operations. */ typedef char *(*vfs_match) (am_opts *); typedef int (*vfs_init) (mntfs *); typedef int (*vmount_fs) (am_node *); typedef int (*vfmount_fs) (mntfs *); typedef int (*vumount_fs) (am_node *); typedef int (*vfumount_fs) (mntfs *); typedef am_node *(*vlookuppn) (am_node *, char *, int *, int); typedef int (*vreaddir) (am_node *, nfscookie, nfsdirlist *, nfsentry *, int); typedef am_node *(*vreadlink) (am_node *, int *); typedef void (*vmounted) (mntfs *); typedef void (*vumounted) (am_node *); typedef fserver *(*vffserver) (mntfs *); struct am_ops { char *fs_type; /* type of filesystems "nfsx" */ vfs_match fs_match; /* fxn: match */ vfs_init fs_init; /* fxn: initialization */ vmount_fs mount_fs; /* fxn: mount vnode */ vfmount_fs fmount_fs; /* fxn: mount VFS */ vumount_fs umount_fs; /* fxn: unmount vnode */ vfumount_fs fumount_fs; /* fxn: unmount VFS */ vlookuppn lookuppn; /* fxn: lookup 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 */ int fs_flags; /* filesystem flags FS_* */ }; typedef int (*task_fun) (voidp); typedef void (*cb_fun) (int, int, voidp); typedef void (*fwd_fun) P((voidp, int, struct sockaddr_in *, struct sockaddr_in *, voidp, int)); /* * List of mount table entries */ struct mntlist { struct mntlist *mnext; mntent_t *mnt; }; /* * Mount map */ typedef struct mnt_map mnt_map; /* * Per-mountpoint statistics */ struct am_stats { time_t s_mtime; /* Mount time */ u_short s_uid; /* Uid of mounter */ int s_getattr; /* Count of getattrs */ int s_lookup; /* Count of lookups */ int s_readdir; /* Count of readdirs */ int s_readlink; /* Count of readlinks */ int s_statfs; /* Count of statfs */ }; typedef struct am_stats am_stats; /* * System statistics */ struct amd_stats { int d_drops; /* Dropped requests */ int d_stale; /* Stale NFS handles */ int d_mok; /* Succesful mounts */ int d_merr; /* Failed mounts */ int d_uerr; /* Failed unmounts */ }; extern struct amd_stats amd_stats; /* * List of fileservers */ struct fserver { qelem fs_q; /* List of fileservers */ int fs_refc; /* Number of references to this node */ char *fs_host; /* Normalized hostname of server */ struct sockaddr_in *fs_ip; /* Network address of server */ int fs_cid; /* Callout id */ int fs_pinger; /* Ping (keepalive) interval */ int fs_flags; /* Flags */ char *fs_type; /* File server type */ u_long fs_version; /* NFS version of server (2, 3, etc.)*/ char *fs_proto; /* NFS protocol of server (tcp, udp, etc.) */ voidp fs_private; /* Private data */ void (*fs_prfree) (voidp); /* Free private data */ }; /* * Map of auto-mount points. */ struct am_node { int am_mapno; /* Map number */ mntfs *am_mnt; /* Mounted filesystem */ char *am_name; /* "kiska": name of this node */ char *am_path; /* "/home/kiska": path of this node's mount point */ char *am_link; /* "/a/kiska/home/kiska/this/that": link to sub-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; /* Wait interval */ int am_timeo; /* 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 */ }; /**************************************************************************/ /*** EXTERNALS ***/ /**************************************************************************/ /* * Useful constants */ extern char *mnttab_file_name; /* Mount table */ extern char *cpu; /* "CPU type" */ extern char *endian; /* "big" */ extern char *hostdomain; /* "southseas.nz" */ extern char copyright[]; /* Copyright info */ extern char hostd[]; /* "kiska.southseas.nz" */ extern char pid_fsname[]; /* kiska.southseas.nz:(pid%d) */ extern char version[]; /* Version info */ /* * Global variables. */ extern AUTH *nfs_auth; /* Dummy uthorisation for remote servers */ extern FILE *logfp; /* Log file */ extern am_node **exported_ap; /* List of nodes */ extern am_node *root_node; /* Node for "root" */ extern char *PrimNetName; /* Name of primary connected network */ extern char *PrimNetNum; /* Name of primary connected network */ extern char *SubsNetName; /* Name of subsidiary connected network */ extern char *SubsNetNum; /* Name of subsidiary connected network */ extern char *progname; /* "amd"|"mmd" */ extern char hostname[]; /* "kiska" */ extern int first_free_map; /* First free node */ extern int foreground; /* Foreground process */ extern int immediate_abort; /* Should close-down unmounts be retried */ extern int last_used_map; /* Last map being used for mounts */ extern int orig_umask; /* umask() on startup */ extern int task_notify_todo; /* Task notifier needs running */ extern int xlog_level; /* Logging level */ extern int xlog_level_init; extern pid_t mypid; /* Current process id */ extern serv_state amd_state; /* Should we go now */ extern struct in_addr myipaddr; /* (An) IP address of this host */ extern struct opt_tab xlog_opt[]; extern time_t clock_valid; /* Clock needs recalculating */ extern time_t do_mapc_reload; /* Flush & reload mount map cache */ extern time_t next_softclock; /* Time to call softclock() */ extern u_short nfs_port; /* Our NFS service port */ /* * Global routines */ extern CLIENT *get_mount_client(char *unused_host, struct sockaddr_in *sin, struct timeval *tv, int *sock, u_long mnt_version); extern RETSIGTYPE sigchld(int); extern SVCXPRT *nfsxprt; extern am_node *efs_lookuppn(am_node *, char *, int *, int); extern am_node *exported_ap_alloc(void); extern am_node *fh_to_mp(am_nfs_fh *); extern am_node *fh_to_mp3(am_nfs_fh *, int *, int); extern am_node *find_mf(mntfs *); extern am_node *next_map(int *); extern am_node *root_ap(char *, int); extern am_ops *ops_match(am_opts *, char *, char *, char *, char *, char *); extern bool_t xdr_amq_string(XDR *xdrs, amq_string *objp); extern bool_t xdr_dirpath(XDR *xdrs, dirpath *objp); extern char **strsplit(char *, int, int); extern char *expand_key(char *); extern char *get_version_string(void); extern char *inet_dquad(char *, u_long); extern char *print_wires(void); extern char *str3cat(char *, char *, char *, char *); extern char *strealloc(char *, char *); extern char *strip_selectors(char *, char *); extern char *strnsave(const char *, int); extern fserver *dup_srvr(fserver *); extern int amu_close(int fd); extern int background(void); extern int bind_resv_port(int, u_short *); extern int cmdoption(char *, struct opt_tab *, int *); extern int compute_mount_flags(mntent_t *); extern int efs_readdir(am_node *, nfscookie, nfsdirlist *, nfsentry *, int); extern int eval_fs_opts(am_opts *, char *, char *, char *, char *, char *); extern int fwd_init(void); extern int fwd_packet(int, voidp, int, struct sockaddr_in *, struct sockaddr_in *, voidp, fwd_fun); extern int get_amd_program_number(void); extern int hasmntval(mntent_t *, char *); extern int is_network_member(const char *net); extern int islocalnet(u_long); extern int make_nfs_auth(void); extern int make_rpc_packet(char *, int, u_long, struct rpc_msg *, voidp, XDRPROC_T_TYPE, AUTH *); extern int mapc_keyiter(mnt_map *, void(*)(char *, voidp), voidp); extern int mapc_search(mnt_map *, char *, char **); extern int mkdirs(char *, int); extern int mount_auto_node(char *, voidp); extern int mount_automounter(int); extern int mount_exported(void); extern int mount_fs(mntent_t *, int, caddr_t, int, MTYPE_TYPE, u_long, const char *, const char *); extern int mount_node(am_node *); extern int nfs_srvr_port(fserver *, u_short *, voidp); extern int pickup_rpc_reply(voidp, int, voidp, XDRPROC_T_TYPE); extern int root_keyiter(void(*)(char *, voidp), voidp); extern int softclock(void); extern int switch_option(char *); extern int switch_to_logfile(char *); extern int timeout(u_int, void (*fn)(voidp), voidp); extern int valid_key(char *); extern mnt_map *mapc_find(char *, char *, const char *); extern mntfs *dup_mntfs(mntfs *); extern mntfs *find_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 mntlist *read_mtab(char *, const char *); extern struct sockaddr_in *amu_svc_getcaller(SVCXPRT *xprt); extern time_t time(time_t *); extern void am_mounted(am_node *); extern void am_unmounted(am_node *); extern void amq_program_1(struct svc_req *rqstp, SVCXPRT * transp); extern void amu_get_myaddress(struct in_addr *iap); extern void amu_release_controlling_tty(void); extern void compute_automounter_nfs_args(nfs_args_t *nap, mntent_t *mntp); extern void deslashify(char *); extern void discard_mntlist(mntlist *mp); extern void do_task_notify(void); extern void flush_mntfs(void); extern void flush_nfs_fhandle_cache(fserver *); extern void forcibly_timeout_mp(am_node *); extern void free_map(am_node *); extern void free_mntfs(voidp); extern void free_mntlist(mntlist *); extern void free_opts(am_opts *); extern void free_srvr(fserver *); extern void fwd_reply(void); extern void get_args(int argc, char *argv[]); extern void getwire(char **name1, char **number1); extern void going_down(int); 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 void make_root_node(void); extern void map_flush_srvr(fserver *); extern void mapc_add_kv(mnt_map *, char *, char *); extern void mapc_free(voidp); extern void mapc_reload(void); extern void mapc_showtypes(char *buf); extern void mk_fattr(am_node *, nfsftype); extern void mnt_free(mntent_t *); extern void mp_to_fh(am_node *, am_nfs_fh *); extern void new_ttl(am_node *); extern void nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp); extern void normalize_slash(char *); extern void ops_showamfstypes(char *buf); extern void ops_showfstypes(char *outbuf); extern void plog(int, char *,...); extern void rem_que(qelem *); extern void reschedule_timeout_mp(void); extern void restart(void); extern void rmdirs(char *); extern void rpc_msg_init(struct rpc_msg *, u_long, u_long, u_long); extern void run_task(task_fun, voidp, cb_fun, voidp); extern void sched_task(cb_fun, voidp, voidp); extern void set_amd_program_number(int program); extern void show_opts(int ch, struct opt_tab *); extern void show_rcs_info(const char *, char *); extern void srvrlog(fserver *, char *); extern void timeout_mp(voidp); extern void umount_exported(void); extern void unregister_amq(void); extern void untimeout(int); extern void wakeup(voidp); extern void wakeup_srvr(fserver *); extern void wakeup_task(int, int, voidp); extern voidp xmalloc(int); extern voidp xrealloc(voidp, int); extern voidp xzalloc(int); extern u_long get_nfs_version(char *host, struct sockaddr_in *sin, u_long nfs_version, const char *proto); #ifdef MOUNT_TABLE_ON_FILE extern void rewrite_mtab(mntlist *, const char *); extern void unlock_mntlist(void); extern void write_mntent(mntent_t *, const char *); #endif /* MOUNT_TABLE_ON_FILE */ #if defined(HAVE_SYSLOG_H) || defined(HAVE_SYS_SYSLOG_H) extern int syslogging; #endif /* defined(HAVE_SYSLOG_H) || defined(HAVE_SYS_SYSLOG_H) */ #ifdef HAVE_TRANSPORT_TYPE_TLI extern void compute_nfs_args(nfs_args_t *nap, mntent_t *mntp, int genflags, struct netconfig *nfsncp, struct sockaddr_in *ip_addr, u_long nfs_version, char *nfs_proto, am_nfs_handle_t *fhp, char *host_name, char *fs_name); extern int create_amq_service(int *udp_soAMQp, SVCXPRT **udp_amqpp, struct netconfig **udp_amqncpp, int *tcp_soAMQp, SVCXPRT **tcp_amqpp, struct netconfig **tcp_amqncpp); extern int create_nfs_service(int *soNFSp, u_short *nfs_portp, SVCXPRT **nfs_xprtp, void (*dispatch_fxn)(struct svc_req *rqstp, SVCXPRT *transp)); extern int get_knetconfig(struct knetconfig **kncpp, struct netconfig *in_ncp, char *nc_protoname); extern struct netconfig *nfsncp; extern void free_knetconfig(struct knetconfig *kncp); #else /* not HAVE_TRANSPORT_TYPE_TLI */ extern void compute_nfs_args(nfs_args_t *nap, mntent_t *mntp, int genflags, struct sockaddr_in *ip_addr, u_long nfs_version, char *nfs_proto, am_nfs_handle_t *fhp, char *host_name, char *fs_name); extern enum clnt_stat pmap_ping(struct sockaddr_in *address); extern int create_amq_service(int *udp_soAMQp, SVCXPRT **udp_amqpp, int *tcp_soAMQp, SVCXPRT **tcp_amqpp); extern int create_nfs_service(int *soNFSp, u_short *nfs_portp, SVCXPRT **nfs_xprtp, void (*dispatch_fxn)(struct svc_req *rqstp, SVCXPRT *transp)); #endif /* not HAVE_TRANSPORT_TYPE_TLI */ #ifndef HAVE_FIELD_STRUCT_FHSTATUS_FHS_FH # define fhs_fh fhstatus_u.fhs_fhandle #endif /* not HAVE_FIELD_STRUCT_FHSTATUS_FHS_FH */ /**************************************************************************/ /*** 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; #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 int nfs_fmount(mntfs *mf); extern int nfs_fumount(mntfs *mf); extern int nfs_init(mntfs *mf); extern qelem nfs_srvr_list; extern void nfs_umounted(am_node *mp); #endif /* HAVE_FS_NFS */ /* * Network File System: the new generation * NFS V.3 */ #ifdef HAVE_FS_NFS3 # ifndef NFS_VERSION3 # define NFS_VERSION3 ((u_int) 3) # endif /* not NFS_VERSION3 */ #endif /* HAVE_FS_NFS3 */ /* * 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 */ /**************************************************************************/ /*** Automounter file-system types, implemented by amd. ***/ /**************************************************************************/ /* * Automount File System */ #ifdef HAVE_AM_FS_AUTO extern am_ops amfs_auto_ops; /* Automount file system (this!) */ extern am_ops amfs_toplvl_ops; /* Top-level automount file system */ extern am_ops amfs_root_ops; /* Root file system */ extern qelem amfs_auto_srvr_list; extern am_node *amfs_auto_lookuppn(am_node *mp, char *fname, int *error_return, int op); extern am_node *next_nonerror_node(am_node *xp); extern char *amfs_auto_match(am_opts *fo); extern fserver *find_amfs_auto_srvr(mntfs *); extern int amfs_auto_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, int count); extern int amfs_auto_umount(am_node *mp); extern int amfs_auto_fmount(am_node *mp); extern int amfs_auto_fumount(am_node *mp); #endif /* HAVE_AM_FS_AUTO */ /* * Toplvl Automount File System */ #ifdef HAVE_AM_FS_TOPLVL extern am_ops amfs_toplvl_ops; /* Toplvl Automount file system */ extern int amfs_toplvl_mount(am_node *mp); extern int amfs_toplvl_umount(am_node *mp); extern void amfs_toplvl_mounted(mntfs *mf); #endif /* HAVE_AM_FS_TOPLVL */ /* * Direct Automount File System */ #ifdef HAVE_AM_FS_DIRECT extern am_ops amfs_direct_ops; /* Direct Automount file system (this too) */ #endif /* HAVE_AM_FS_DIRECT */ /* * Error File System */ #ifdef HAVE_AM_FS_ERROR extern am_ops amfs_error_ops; /* Error file system */ extern am_node *amfs_error_lookuppn(am_node *mp, char *fname, int *error_return, int op); extern int amfs_error_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, int count); #endif /* HAVE_AM_FS_ERROR */ /* * Inheritance File System */ #ifdef HAVE_AM_FS_INHERIT extern am_ops amfs_inherit_ops; /* Inheritance file system */ #endif /* HAVE_AM_FS_INHERIT */ /* * NFS mounts with local existence check. */ #ifdef HAVE_AM_FS_NFSL extern am_ops amfs_nfsl_ops; /* NFSL */ #endif /* HAVE_AM_FS_NFSL */ /* * Multi-nfs mounts. */ #ifdef HAVE_AM_FS_NFSX extern am_ops amfs_nfsx_ops; /* NFSX */ #endif /* HAVE_AM_FS_NFSX */ /* * NFS host - a whole tree. */ #ifdef HAVE_AM_FS_HOST extern am_ops amfs_host_ops; /* NFS host */ #endif /* HAVE_AM_FS_HOST */ /* * Program File System * This is useful for things like RVD. */ #ifdef HAVE_AM_FS_PROGRAM extern am_ops amfs_program_ops; /* Program File System */ #endif /* HAVE_AM_FS_PROGRAM */ /* * Symbolic-link file system. * A "filesystem" which is just a symbol link. */ #ifdef HAVE_AM_FS_LINK extern am_ops amfs_link_ops; /* Symlink FS */ extern int amfs_link_fmount(mntfs *mf); #endif /* HAVE_AM_FS_LINK */ /* * Symbolic-link file syste, which also checks that the target of * the symlink exists. * A "filesystem" which is just a symbol link. */ #ifdef HAVE_AM_FS_LINKX extern am_ops amfs_linkx_ops; /* Symlink FS with existence check */ #endif /* HAVE_AM_FS_LINKX */ /* * Union file system */ #ifdef HAVE_AM_FS_UNION extern am_ops amfs_union_ops; /* Union FS */ #endif /* HAVE_AM_FS_UNION */ /* * Autofs file system */ #ifdef HAVE_FS_AUTOFS extern am_ops autofs_ops; /* (Sun) Autofs FS */ #endif /* HAVE_FS_AUTOFS */ /**************************************************************************/ /*** DEBUGGING ***/ /**************************************************************************/ /* * DEBUGGING: */ #ifdef DEBUG # define D_ALL (~0) # define D_DAEMON 0x0001 /* Enter daemon mode */ # define D_TRACE 0x0002 /* Do protocol trace */ # define D_FULL 0x0004 /* Do full trace */ # define D_MTAB 0x0008 /* Use local mtab */ # define D_AMQ 0x0010 /* Register amq program */ # define D_STR 0x0020 /* Debug string munging */ # ifdef DEBUG_MEM # define D_MEM 0x0040 /* Trace memory allocations */ # endif /* DEBUG_MEM */ # define D_FORK 0x0080 /* Fork server */ /* info service specific debugging (hesiod, nis, etc) */ # define D_INFO 0x0100 /* * Normally, don't enter daemon mode, and don't register amq */ # ifdef DEBUG_MEM # define D_TEST (~(D_DAEMON|D_MEM|D_STR)) # else /* not DEBUG_MEM */ # define D_TEST (~(D_DAEMON|D_STR)) # endif /* not DEBUG_MEM */ # define amuDebug(x) if (debug_flags & (x)) # define dlog amuDebug(D_FULL) dplog # define amuDebugNo(x) if (!(debug_flags & (x))) /* debugging mount-table file to use */ # ifndef DEBUG_MNTTAB # define DEBUG_MNTTAB "./mnttab" # endif /* not DEBUG_MNTTAB */ # ifdef DEBUG_MEM /* * If debugging memory, then call a special freeing function that logs * more info, and resets the pointer to NULL so it cannot be used again. */ # define XFREE(x) dxfree(__FILE__,__LINE__,x) extern void dxfree(char *file, int line, voidp ptr); extern void malloc_verify(void); # else /* not DEBUG_MEM */ /* * If regular debugging, then free the pointer and reset to NULL. * This should remain so for as long as am-utils is in alpha/beta testing. */ # define XFREE(x) do { free((voidp)x); x = NULL;} while (0) # endif /* not DEBUG_MEM */ /* functions that depend solely on debugging */ extern void print_nfs_args(const nfs_args_t *nap, u_long nfs_version); #else /* not DEBUG */ /* * if not debugging, then simple perform free, and don't bother * resetting the pointer. */ # define XFREE(x) free(x) #endif /* not DEBUG */ extern int debug_flags; /* Debug options */ extern int debug_option (char *); extern struct opt_tab dbg_opt[]; extern void dplog(char *fmt, ...); /**************************************************************************/ /*** MISC (stuff left to autoconfiscate) ***/ /**************************************************************************/ #endif /* not _AM_UTILS_H */