1008 lines
33 KiB
C
1008 lines
33 KiB
C
/* $NetBSD: am_utils.h,v 1.5 2002/11/29 23:14:04 christos Exp $ */
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/*
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* Copyright (c) 1997-2002 Erez Zadok
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* Id: am_utils.h,v 1.40 2002/06/23 01:05:40 ib42 Exp
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*
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*/
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/*
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* Definitions that are specific to the am-utils package.
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*/
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#ifndef _AM_UTILS_H
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#define _AM_UTILS_H
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#include "aux_conf.h"
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/**************************************************************************/
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/*** MACROS ***/
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/**************************************************************************/
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/*
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* General macros.
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*/
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#ifndef FALSE
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# define FALSE 0
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#endif /* not FALSE */
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#ifndef TRUE
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# define TRUE 1
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#endif /* not TRUE */
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#ifndef MAX
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# define MAX(a, b) ((a) > (b) ? (a) : (b))
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#endif /* not MAX */
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#ifndef MIN
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# define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif /* not MIN */
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#define ONE_HOUR (60 * 60) /* One hour in seconds */
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#ifndef MAXHOSTNAMELEN
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# ifdef HOSTNAMESZ
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# define MAXHOSTNAMELEN HOSTNAMESZ
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# else /* not HOSTNAMESZ */
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# define MAXHOSTNAMELEN 256
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# endif /* not HOSTNAMESZ */
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#endif /* not MAXHOSTNAMELEN */
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/*
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* for hlfsd, and amd for detecting uid/gid
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*/
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#ifndef INVALIDID
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/* this is also defined in include/am_utils.h */
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# define INVALIDID (((unsigned short) ~0) - 3)
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#endif /* not INVALIDID */
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/*
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* String comparison macros
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*/
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#define STREQ(s1, s2) (strcmp((s1), (s2)) == 0)
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#define STRCEQ(s1, s2) (strcasecmp((s1), (s2)) == 0)
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#define NSTREQ(s1, s2, n) (strncmp((s1), (s2), (n)) == 0)
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#define NSTRCEQ(s1, s2, n) (strncasecmp((s1), (s2), (n)) == 0)
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#define FSTREQ(s1, s2) ((*(s1) == *(s2)) && STREQ((s1),(s2)))
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/*
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* Logging options/flags
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*/
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#define XLOG_FATAL 0x0001
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#define XLOG_ERROR 0x0002
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#define XLOG_USER 0x0004
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#define XLOG_WARNING 0x0008
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#define XLOG_INFO 0x0010
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#define XLOG_DEBUG 0x0020
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#define XLOG_MAP 0x0040
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#define XLOG_STATS 0x0080
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#define XLOG_DEFSTR "all,nomap,nostats" /* Default log options */
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#define XLOG_ALL (XLOG_FATAL|XLOG_ERROR|XLOG_USER|XLOG_WARNING|XLOG_INFO|XLOG_MAP|XLOG_STATS)
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#define clocktime() (clock_valid ? clock_valid : time(&clock_valid))
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#ifndef ROOT_MAP
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# define ROOT_MAP "\"root\""
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#endif /* not ROOT_MAP */
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#define NO_SUBNET "notknown" /* default subnet name for no subnet */
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#define NEXP_AP (1022) /* gdmr: was 254 */
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#define NEXP_AP_MARGIN (128)
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#define MAX_READDIR_ENTRIES 16
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/*
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* Linked list macros
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*/
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#define AM_FIRST(ty, q) ((ty *) ((q)->q_forw))
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#define AM_LAST(ty, q) ((ty *) ((q)->q_back))
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#define NEXT(ty, q) ((ty *) (((qelem *) q)->q_forw))
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#define PREV(ty, q) ((ty *) (((qelem *) q)->q_back))
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#define HEAD(ty, q) ((ty *) q)
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#define ITER(v, ty, q) \
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for ((v) = AM_FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v)))
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/* allocate anything of type ty */
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#define ALLOC(ty) ((ty *) xmalloc(sizeof(ty)))
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#define CALLOC(ty) ((ty *) xcalloc(1, sizeof(ty)))
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/* simply allocate b bytes */
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#define SALLOC(b) xmalloc((b))
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/* converting am-filehandles to mount-points */
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#define fh_to_mp2(fhp, rp) fh_to_mp3(fhp, rp, VLOOK_CREATE)
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/*
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* Systems which have the mount table in a file need to read it before
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* they can perform an unmount() system call.
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*/
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#define UMOUNT_FS(dir, real_dir, mtb_name) umount_fs2(dir, real_dir, mtb_name)
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/* imported via $srcdir/conf/umount/umount_*.c */
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extern int umount_fs2(char *mntdir, char *real_mntdir, const char *mnttabname);
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extern int umount_fs(char *mntdir, const char *mnttabname);
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/*
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* macro definitions for automounter vfs/vnode operations.
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*/
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#define VLOOK_CREATE 0x1
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#define VLOOK_DELETE 0x2
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/*
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* macro definitions for automounter vfs capabilities
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*/
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#define FS_DIRECTORY 0x0001 /* This looks like a dir, not a link */
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#define FS_MBACKGROUND 0x0002 /* Should background this mount */
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#define FS_NOTIMEOUT 0x0004 /* Don't bother with timeouts */
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#define FS_MKMNT 0x0008 /* Need to make the mount point */
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#define FS_UBACKGROUND 0x0010 /* Unmount in background */
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#define FS_BACKGROUND (FS_MBACKGROUND|FS_UBACKGROUND)
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#define FS_DISCARD 0x0020 /* Discard immediately on last reference */
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#define FS_AMQINFO 0x0040 /* Amq is interested in this fs type */
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#define FS_AUTOFS 0x0080 /* This filesystem supports autofs handling */
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#define FS_DIRECT 0x0100 /* Direct mount */
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/*
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* macros for struct fserver.
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*/
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#define FSF_VALID 0x0001 /* Valid information available */
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#define FSF_DOWN 0x0002 /* This fileserver is thought to be down */
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#define FSF_ERROR 0x0004 /* Permanent error has occurred */
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#define FSF_WANT 0x0008 /* Want a wakeup call */
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#define FSF_PINGING 0x0010 /* Already doing pings */
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#define FSRV_ISDOWN(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID))
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#define FSRV_ISUP(fs) (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID))
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/*
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* macros for struct mntfs (list of mounted filesystems)
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*/
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#define MFF_MOUNTED 0x0001 /* Node is mounted */
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#define MFF_MOUNTING 0x0002 /* Mount is in progress */
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#define MFF_UNMOUNTING 0x0004 /* Unmount is in progress */
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#define MFF_RESTART 0x0008 /* Restarted node */
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#define MFF_MKMNT 0x0010 /* Delete this node's am_mount */
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#define MFF_ERROR 0x0020 /* This node failed to mount */
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#define MFF_LOGDOWN 0x0040 /* Logged that this mount is down */
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#define MFF_RSTKEEP 0x0080 /* Don't timeout this filesystem - restarted */
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#define MFF_WANTTIMO 0x0100 /* Need a timeout call when not busy */
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#define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */
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#define MFF_AUTOFS 0x0400 /* this filesystem is of type autofs */
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#define MFF_NFS_SCALEDOWN 0x0800 /* the mount failed, retry with v2/UDP */
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/*
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* macros for struct am_node (map of auto-mount points).
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*/
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#define AMF_NOTIMEOUT 0x0001 /* This node never times out */
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#define AMF_ROOT 0x0002 /* This is a root node */
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#define AMF_AUTOFS 0x0004 /* This node is part of an autofs filesystem */
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#define AMF_REMOUNT 0x0008 /* This node needs to be remounted */
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/*
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* The following values can be tuned...
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*/
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#define ALLOWED_MOUNT_TIME 40 /* 40s for a mount */
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#define AM_TTL (5 * 60) /* Default cache period */
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#define AM_TTL_W (2 * 60) /* Default unmount interval */
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#define AM_PINGER 30 /* NFS ping interval for live systems */
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#define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */
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/*
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* default amfs_auto retrans - 1/10th seconds
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*/
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#define AMFS_AUTO_RETRANS ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo)/gopt.amfs_auto_timeo * 2)
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/*
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* RPC-related macros.
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*/
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#define RPC_XID_PORTMAP 0
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#define RPC_XID_MOUNTD 1
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#define RPC_XID_NFSPING 2
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#define RPC_XID_MASK (0x0f) /* 16 id's for now */
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#define MK_RPC_XID(type_id, uniq) ((type_id) | ((uniq) << 4))
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/*
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* What level of AMD are we backward compatible with?
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* This only applies to externally visible characteristics.
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* Rev.Minor.Branch.Patch (2 digits each)
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*/
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#define AMD_COMPAT 5000000 /* 5.0 */
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/*
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* Error to return if remote host is not available.
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* Try, in order, "host down", "host unreachable", "invalid argument".
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*/
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#ifdef EHOSTDOWN
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# define AM_ERRNO_HOST_DOWN EHOSTDOWN
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# else /* not EHOSTDOWN */
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# ifdef EHOSTUNREACH
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# define AM_ERRNO_HOST_DOWN EHOSTUNREACH
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# else /* not EHOSTUNREACH */
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# define AM_ERRNO_HOST_DOWN EINVAL
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# endif /* not EHOSTUNREACH */
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#endif /* not EHOSTDOWN */
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/**************************************************************************/
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/*** STRUCTURES AND TYPEDEFS ***/
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/**************************************************************************/
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/* some typedefs must come first */
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typedef char *amq_string;
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typedef struct mntfs mntfs;
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typedef struct am_opts am_opts;
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typedef struct am_ops am_ops;
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typedef struct am_node am_node;
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typedef struct _qelem qelem;
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typedef struct mntlist mntlist;
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typedef struct fserver fserver;
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/*
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* Linked list
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* (the name 'struct qelem' conflicts with linux's unistd.h)
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*/
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struct _qelem {
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qelem *q_forw;
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qelem *q_back;
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};
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/*
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* Option tables
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*/
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struct opt_tab {
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char *opt;
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int flag;
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};
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/*
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* Server states
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*/
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typedef enum {
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Start,
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Run,
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Finishing,
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Quit,
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Done
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} serv_state;
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/*
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* Options
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*/
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struct am_opts {
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char *fs_glob; /* Smashed copy of global options */
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char *fs_local; /* Expanded copy of local options */
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char *fs_mtab; /* Mount table entry */
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/* Other options ... */
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char *opt_dev;
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char *opt_delay;
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char *opt_dir;
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char *opt_fs;
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char *opt_group;
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char *opt_mount;
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char *opt_opts;
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char *opt_remopts;
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char *opt_pref;
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char *opt_cache;
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char *opt_rfs;
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char *opt_rhost;
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char *opt_sublink;
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char *opt_type;
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char *opt_mount_type; /* "nfs" or "autofs" */
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char *opt_unmount;
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char *opt_user;
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char *opt_maptype; /* map type: file, nis, hesiod, etc. */
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char *opt_cachedir; /* cache directory */
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char *opt_addopts; /* options to add to opt_opts */
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};
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/*
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* List of mounted filesystems
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*/
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struct mntfs {
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qelem mf_q; /* List of mounted filesystems */
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am_ops *mf_ops; /* Operations on this mountpoint */
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am_opts *mf_fo; /* File opts */
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char *mf_mount; /* "/a/kiska/home/kiska" */
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char *mf_real_mount; /* Mount point as passed to mount(2)
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-- home of the append-a-space autofs hack */
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char *mf_info; /* Mount info */
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char *mf_auto; /* Automount opts */
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char *mf_mopts; /* FS mount opts */
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char *mf_remopts; /* Remote FS mount opts */
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char *mf_loopdev; /* loop device name for /dev/loop mounts */
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fserver *mf_server; /* File server */
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int mf_fsflags; /* Flags FS_* copied from mf_ops->*_fs_flags */
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int mf_flags; /* Flags MFF_* */
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int mf_error; /* Error code from background mount */
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int mf_refc; /* Number of references to this node */
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int mf_cid; /* Callout id */
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#ifdef HAVE_FS_AUTOFS
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autofs_fh_t *mf_autofs_fh;
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#endif /* HAVE_FS_AUTOFS */
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void (*mf_prfree) (voidp); /* Free private space */
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voidp mf_private; /* Private - per-fs data */
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};
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/*
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* File Handle
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*
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* This is interpreted by indexing the exported array
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* by fhh_id.
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*
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* The whole structure is mapped onto a standard fhandle_t
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* when transmitted.
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*/
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struct am_fh {
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int fhh_pid; /* process id */
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int fhh_id; /* map id */
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int fhh_gen; /* generation number */
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};
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/*
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* Multi-protocol NFS file handle
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*/
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union am_nfs_handle {
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/* placeholder for V4 file handle */
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#ifdef HAVE_FS_NFS3
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struct mountres3 v3; /* NFS version 3 handle */
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#endif /* HAVE_FS_NFS3 */
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struct fhstatus v2; /* NFS version 2 handle */
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};
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typedef union am_nfs_handle am_nfs_handle_t;
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/*
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* automounter vfs/vnode operations.
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*/
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typedef char *(*vfs_match) (am_opts *);
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typedef int (*vfs_init) (mntfs *);
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typedef int (*vmount_fs) (am_node *, mntfs *mf);
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typedef int (*vumount_fs) (am_node *, mntfs *mf);
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typedef am_node *(*vlookup_child) (am_node *, char *, int *, int);
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typedef am_node *(*vmount_child) (am_node *, int *);
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typedef int (*vreaddir) (am_node *, nfscookie, nfsdirlist *, nfsentry *, int);
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typedef am_node *(*vreadlink) (am_node *, int *);
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typedef void (*vmounted) (mntfs *mf);
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typedef void (*vumounted) (mntfs *mf);
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typedef fserver *(*vffserver) (mntfs *);
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struct am_ops {
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char *fs_type; /* type of filesystems e.g. "nfsx" */
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vfs_match fs_match; /* fxn: match */
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vfs_init fs_init; /* fxn: initialization */
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vmount_fs mount_fs; /* fxn: mount my own vnode */
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vumount_fs umount_fs; /* fxn: unmount my own vnode */
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vlookup_child lookup_child; /* fxn: lookup path-name */
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vmount_child mount_child; /* fxn: mount path-name */
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vreaddir readdir; /* fxn: read directory */
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vreadlink readlink; /* fxn: read link */
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vmounted mounted; /* fxn: after-mount extra actions */
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vumounted umounted; /* fxn: after-umount extra actions */
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vffserver ffserver; /* fxn: find a file server */
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int nfs_fs_flags; /* filesystem flags FS_* for nfs mounts */
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#ifdef HAVE_FS_AUTOFS
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int autofs_fs_flags;/* filesystem flags FS_* for autofs mounts */
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#endif /* HAVE_FS_AUTOFS */
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};
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typedef int (*task_fun) (voidp);
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typedef void (*cb_fun) (int, int, voidp);
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typedef void (*fwd_fun) P((voidp, int, struct sockaddr_in *,
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struct sockaddr_in *, voidp, int));
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/*
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* List of mount table entries
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*/
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struct mntlist {
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struct mntlist *mnext;
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mntent_t *mnt;
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};
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/*
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* Mount map
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*/
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typedef struct mnt_map mnt_map;
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/*
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* Per-mountpoint statistics
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*/
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struct am_stats {
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time_t s_mtime; /* Mount time */
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u_short s_uid; /* Uid of mounter */
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int s_getattr; /* Count of getattrs */
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int s_lookup; /* Count of lookups */
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int s_readdir; /* Count of readdirs */
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int s_readlink; /* Count of readlinks */
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int s_statfs; /* Count of statfs */
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};
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typedef struct am_stats am_stats;
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/*
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* System statistics
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*/
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struct amd_stats {
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int d_drops; /* Dropped requests */
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int d_stale; /* Stale NFS handles */
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int d_mok; /* Successful mounts */
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int d_merr; /* Failed mounts */
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int d_uerr; /* Failed unmounts */
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};
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extern struct amd_stats amd_stats;
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/*
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* List of fileservers
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*/
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struct fserver {
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qelem fs_q; /* List of fileservers */
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int fs_refc; /* Number of references to this node */
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char *fs_host; /* Normalized hostname of server */
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struct sockaddr_in *fs_ip; /* Network address of server */
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int fs_cid; /* Callout id */
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|
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 */
|
|
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; /* 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 */
|
|
dev_t am_dev; /* Device number */
|
|
dev_t am_rdev; /* Remote/real device number */
|
|
#ifdef HAVE_FS_AUTOFS
|
|
autofs_data_t *am_autofs_data; /* Autofs private data */
|
|
void (*am_autofs_free_data)(autofs_data_t *); /* Autofs cleanup func */
|
|
#endif /* HAVE_FS_AUTOFS */
|
|
};
|
|
|
|
|
|
/**************************************************************************/
|
|
/*** 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 SVCXPRT *nfsxprt;
|
|
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 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;
|
|
|
|
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 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_selectors(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 bind_resv_port2(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 getcreds(struct svc_req *, uid_t *, gid_t *, SVCXPRT *);
|
|
extern int hasmntval(mntent_t *, char *);
|
|
extern char *hasmnteq(mntent_t *, char *);
|
|
extern char *haseq(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_fs2(mntent_t *, char *, 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, const 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);
|
|
extern long get_server_pid(void);
|
|
|
|
|
|
#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) */
|
|
|
|
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 amu_svc_register(SVCXPRT *, u_long, u_long, void (*)(struct svc_req *, SVCXPRT *), u_long, struct netconfig *);
|
|
|
|
#ifdef HAVE_TRANSPORT_TYPE_TLI
|
|
|
|
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 enum clnt_stat pmap_ping(struct sockaddr_in *address);
|
|
|
|
#endif /* not HAVE_TRANSPORT_TYPE_TLI */
|
|
|
|
#ifndef HAVE_STRUCT_FHSTATUS_FHS_FH
|
|
# define fhs_fh fhstatus_u.fhs_fhandle
|
|
#endif /* not HAVE_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_mount(am_node *am, mntfs *mf);
|
|
extern int nfs_umount(am_node *am, mntfs *mf);
|
|
extern int nfs_init(mntfs *mf);
|
|
extern qelem nfs_srvr_list;
|
|
extern void nfs_umounted(mntfs *mf);
|
|
#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_AMU_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_lookup_child(am_node *mp, char *fname, int *error_return, int op);
|
|
extern am_node *amfs_auto_mount_child(am_node *ap, int *error_return);
|
|
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, mntfs *mf);
|
|
#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);
|
|
extern void amfs_toplvl_mounted(am_node *am, 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, int count);
|
|
#endif /* HAVE_AMU_FS_ERROR */
|
|
|
|
/*
|
|
* Inheritance File System
|
|
*/
|
|
#ifdef HAVE_AMU_FS_INHERIT
|
|
extern am_ops amfs_inherit_ops; /* Inheritance file system */
|
|
#endif /* HAVE_AMU_FS_INHERIT */
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
|
|
/**************************************************************************/
|
|
/*** DEBUGGING ***/
|
|
/**************************************************************************/
|
|
|
|
/*
|
|
* DEBUGGING:
|
|
*/
|
|
#ifdef DEBUG
|
|
|
|
# define D_ALL (~(D_MTAB|D_HRTIME))
|
|
# 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
|
|
# define D_HRTIME 0x0200 /* Print high resolution time stamps */
|
|
# define D_XDRTRACE 0x0400 /* Trace xdr routines */
|
|
# define D_READDIR 0x0800 /* show browsable_dir progress */
|
|
|
|
/*
|
|
* Normally, don't enter daemon mode, don't register amq, and don't trace xdr
|
|
*/
|
|
# ifdef DEBUG_MEM
|
|
# define D_TEST (~(D_DAEMON|D_MEM|D_STR|D_XDRTRACE))
|
|
# else /* not DEBUG_MEM */
|
|
# define D_TEST (~(D_DAEMON|D_STR|D_XDRTRACE))
|
|
# 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);
|
|
extern int debug_option (char *opt);
|
|
|
|
#else /* not DEBUG */
|
|
|
|
/*
|
|
* if not debugging, then simple perform free, and don't bother
|
|
* resetting the pointer.
|
|
*/
|
|
# define XFREE(x) free(x)
|
|
|
|
#define amuDebug(x) if (0)
|
|
#define dlog if (0) dplog
|
|
#define amuDebugNo(x) if (0)
|
|
|
|
#define print_nfs_args(nap, nfs_version)
|
|
#define debug_option(x) (1)
|
|
|
|
#endif /* not DEBUG */
|
|
|
|
extern int debug_flags; /* Debug options */
|
|
extern struct opt_tab dbg_opt[];
|
|
extern void dplog(const char *fmt, ...)
|
|
__attribute__ ((__format__ (__printf__, 1, 2)));
|
|
|
|
/**************************************************************************/
|
|
/*** MISC (stuff left to autoconfiscate) ***/
|
|
/**************************************************************************/
|
|
|
|
#endif /* not _AM_UTILS_H */
|