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mirror of https://git.FreeBSD.org/src.git synced 2024-12-23 11:18:54 +00:00
freebsd/contrib/amd/include/am_utils.h
1999-09-15 02:50:52 +00:00

976 lines
32 KiB
C

/*
* Copyright (c) 1997-1999 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.
*
* %W% (Berkeley) %G%
*
* $Id: am_utils.h,v 1.6 1999/08/22 05:12:55 ezk Exp $
*
*/
/*
* 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)))
/* simply allocate b bytes */
#define SALLOC(b) xmalloc((b))
/* 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 occurred */
#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; /* Successful 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 authorization 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 */
#if 0
extern char *progname; /* "amd" */
#endif
extern void am_set_progname(char *pn); /* "amd" */
extern const char * am_get_progname(void); /* "amd" */
extern void am_set_hostname(char *hn);
extern const char * am_get_hostname(void);
extern pid_t am_set_mypid(void);
extern pid_t am_mypid;
#if 0
extern char hostname[]; /* "kiska" */
extern pid_t mypid; /* Current process id */
#endif
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 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_automounter_mount_flags(mntent_t *);
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 mapc_type_exists(const char *type);
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 *logfile, int orig_umask);
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 *,...)
__attribute__ ((__format__ (__printf__, 2, 3)));
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 system, 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 *opt);
extern struct opt_tab dbg_opt[];
extern void dplog(char *fmt, ...)
__attribute__ ((__format__ (__printf__, 1, 2)));
/**************************************************************************/
/*** MISC (stuff left to autoconfiscate) ***/
/**************************************************************************/
#endif /* not _AM_UTILS_H */