/* mountlist.c -- return a list of mounted filesystems
- Copyright (C) 1991, 1992, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1992, 1997-2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <stdio.h>
#include <sys/types.h>
-#include "mountlist.h"
+
#ifdef STDC_HEADERS
# include <stdlib.h>
#else
void free ();
#endif
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
+#if defined STDC_HEADERS || defined HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
+#include "xalloc.h"
#ifndef strstr
char *strstr ();
#endif
-char *xmalloc ();
-char *xrealloc ();
-char *xstrdup ();
-void error ();
#include <errno.h>
#ifndef errno
# include <sys/param.h>
#endif
-#if defined (MOUNTED_GETFSSTAT) /* __alpha running OSF_1 */
-# include <sys/mount.h>
-# include <sys/fs_types.h>
+#if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */
+# if HAVE_SYS_UCRED_H
+# include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
+# endif
+# if HAVE_SYS_MOUNT_H
+# include <sys/mount.h>
+# endif
+# if HAVE_SYS_FS_TYPES_H
+# include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */
+# endif
+# if HAVE_STRUCT_FSSTAT_F_FSTYPENAME
+# define FS_TYPE(Ent) ((Ent).f_fstypename)
+# else
+# define FS_TYPE(Ent) mnt_names[(Ent).f_type]
+# endif
#endif /* MOUNTED_GETFSSTAT */
#ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
# include <mntent.h>
-# if !defined(MOUNTED)
-# if defined(MNT_MNTTAB) /* HP-UX. */
+# if !defined MOUNTED
+# if defined _PATH_MOUNTED /* GNU libc */
+# define MOUNTED _PATH_MOUNTED
+# endif
+# if defined MNT_MNTTAB /* HP-UX. */
# define MOUNTED MNT_MNTTAB
# endif
-# if defined(MNTTABNAME) /* Dynix. */
+# if defined MNTTABNAME /* Dynix. */
# define MOUNTED MNTTABNAME
# endif
# endif
# include <sys/fs_types.h>
#endif
+#ifdef MOUNTED_FS_STAT_DEV /* BeOS. */
+# include <fs_info.h>
+# include <dirent.h>
+#endif
+
#ifdef MOUNTED_FREAD /* SVR2. */
# include <mnttab.h>
#endif
# include <sys/mntent.h>
#endif
-#if defined (MNTOPT_IGNORE) && defined (HAVE_HASMNTOPT)
+#if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT
# define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE)
#else
# define MNT_IGNORE(M) 0
#endif
+#include "mountlist.h"
+#include "unlocked-io.h"
+
#ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
/* Return the value of the hexadecimal number represented by CP.
No prefix (like '0x') or suffix (like 'h') is expected to be
part of CP. */
+/* FIXME: this can overflow */
static int
-xatoi (cp)
- char *cp;
+xatoi (char *cp)
{
int val;
fsp_to_string (const struct statfs *fsp)
{
# if defined HAVE_F_FSTYPENAME_IN_STATFS
- return xstrdup (fsp->f_fstypename);
+ return (char *) (fsp->f_fstypename);
# else
return fstype_to_string (fsp->f_type);
# endif
#ifdef MOUNTED_VMOUNT /* AIX. */
static char *
-fstype_to_string (t)
- int t;
+fstype_to_string (int t)
{
struct vfs_ent *e;
/* Return a list of the currently mounted filesystems, or NULL on error.
Add each entry to the tail of the list so that they stay in order.
If NEED_FS_TYPE is nonzero, ensure that the filesystem type fields in
- the returned list are valid. Otherwise, they might not be.
- If ALL_FS is positive, return all entries; if zero, omit entries
- for filesystems that are automounter (dummy) entries; if negative,
- also omit non-local filesystems. */
+ the returned list are valid. Otherwise, they might not be. */
struct mount_entry *
-read_filesystem_list (int need_fs_type, int all_fs)
+read_filesystem_list (int need_fs_type)
{
struct mount_entry *mount_list;
struct mount_entry *me;
return NULL;
for (p = mntlist; p; p = p->next) {
mnt = p->ment;
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt->mnt_type))
- continue;
me = (struct mount_entry*) xmalloc(sizeof (struct mount_entry));
me->me_devname = xstrdup(mnt->mnt_fsname);
me->me_mountdir = xstrdup(mnt->mnt_dir);
me->me_type = xstrdup(mnt->mnt_type);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = -1;
*mtail = me;
mtail = &me->me_next;
while ((mnt = getmntent (fp)))
{
- if (all_fs <= 0 && (!strcmp (mnt->mnt_type, "ignore")
- || !strcmp (mnt->mnt_type, "auto")))
- continue;
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt->mnt_type))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (mnt->mnt_fsname);
me->me_mountdir = xstrdup (mnt->mnt_dir);
me->me_type = xstrdup (mnt->mnt_type);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
devopt = strstr (mnt->mnt_opts, "dev=");
if (devopt)
{
return NULL;
for (; entries-- > 0; fsp++)
{
- if (all_fs < 0)
- {
-# ifdef HAVE_F_FSTYPENAME_IN_STATFS
- if (REMOTE_FS_TYPE (fsp->f_fstypename))
- continue;
-# else
-# ifdef MOUNT_NFS
- if (REMOTE_FS_TYPE (fstype_to_string (fsp->f_type)))
- continue;
-# endif
-# endif
- }
+ char *fs_type = fsp_to_string (fsp);
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (fsp->f_mntfromname);
me->me_mountdir = xstrdup (fsp->f_mntonname);
- me->me_type = fsp_to_string (fsp);
+ me->me_type = fs_type;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
struct fs_data fsd;
while (errno = 0,
- 0 <= (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY,
- (char *) 0)))
+ 0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY,
+ (char *) 0)))
{
- if (all_fs < 0 && REMOTE_FS_TYPE (gt_names[fsd.fd_req.fstype]))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (fsd.fd_req.devname);
me->me_mountdir = xstrdup (fsd.fd_req.path);
me->me_type = gt_names[fsd.fd_req.fstype];
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = fsd.fd_req.dev;
/* Add to the linked list. */
}
#endif /* MOUNTED_GETMNT. */
-#if defined (MOUNTED_GETFSSTAT) /* __alpha running OSF_1 */
+#if defined MOUNTED_FS_STAT_DEV /* BeOS */
+ {
+ /* The next_dev() and fs_stat_dev() system calls give the list of
+ all filesystems, including the information returned by statvfs()
+ (fs type, total blocks, free blocks etc.), but without the mount
+ point. But on BeOS all filesystems except / are mounted in the
+ rootfs, directly under /.
+ The directory name of the mount point is often, but not always,
+ identical to the volume name of the device.
+ We therefore get the list of subdirectories of /, and the list
+ of all filesystems, and match the two lists. */
+
+ DIR *dirp;
+ struct rootdir_entry
+ {
+ char *name;
+ dev_t dev;
+ ino_t ino;
+ struct rootdir_entry *next;
+ };
+ struct rootdir_entry *rootdir_list;
+ struct rootdir_entry **rootdir_tail;
+ int32 pos;
+ dev_t dev;
+ fs_info fi;
+
+ /* All volumes are mounted in the rootfs, directly under /. */
+ rootdir_list = NULL;
+ rootdir_tail = &rootdir_list;
+ dirp = opendir ("/");
+ if (dirp)
+ {
+ struct dirent *d;
+
+ while ((d = readdir (dirp)) != NULL)
+ {
+ char *name;
+ struct stat statbuf;
+
+ if (strcmp (d->d_name, "..") == 0)
+ continue;
+
+ if (strcmp (d->d_name, ".") == 0)
+ name = xstrdup ("/");
+ else
+ {
+ name = xmalloc (1 + strlen (d->d_name) + 1);
+ name[0] = '/';
+ strcpy (name + 1, d->d_name);
+ }
+
+ if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode))
+ {
+ struct rootdir_entry *re;
+
+ re = (struct rootdir_entry *) xmalloc (sizeof (struct rootdir_entry));
+ re->name = name;
+ re->dev = statbuf.st_dev;
+ re->ino = statbuf.st_ino;
+
+ /* Add to the linked list. */
+ *rootdir_tail = re;
+ rootdir_tail = &re->next;
+ }
+ else
+ free (name);
+ }
+ closedir (dirp);
+ }
+ *rootdir_tail = NULL;
+
+ for (pos = 0; (dev = next_dev (&pos)) >= 0; )
+ if (fs_stat_dev (dev, &fi) >= 0)
+ {
+ /* Note: fi.dev == dev. */
+ struct rootdir_entry *re;
+
+ for (re = rootdir_list; re; re = re->next)
+ if (re->dev == fi.dev && re->ino == fi.root)
+ break;
+
+ me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
+ me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name);
+ me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name);
+ me->me_type = xstrdup (fi.fsh_name);
+ me->me_dev = fi.dev;
+ me->me_dummy = 0;
+ me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0;
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
+ }
+ *mtail = NULL;
+
+ while (rootdir_list != NULL)
+ {
+ struct rootdir_entry *re = rootdir_list;
+ rootdir_list = re->next;
+ free (re->name);
+ free (re);
+ }
+ }
+#endif /* MOUNTED_FS_STAT_DEV */
+
+#if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */
{
int numsys, counter, bufsize;
struct statfs *stats;
for (counter = 0; counter < numsys; counter++)
{
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt_names[stats[counter].f_type]))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (stats[counter].f_mntfromname);
me->me_mountdir = xstrdup (stats[counter].f_mntonname);
- me->me_type = mnt_names[stats[counter].f_type];
+ me->me_type = xstrdup (FS_TYPE (stats[counter]));
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
}
#endif /* MOUNTED_GETFSSTAT */
-#if defined (MOUNTED_FREAD) || defined (MOUNTED_FREAD_FSTYP) /* SVR[23]. */
+#if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23]. */
{
struct mnttab mnt;
char *table = "/etc/mnttab";
while (fread (&mnt, sizeof mnt, 1, fp) > 0)
{
- char *fs_type = "";
-
-# ifdef GETFSTYP /* SVR3. */
- if (need_fs_type || all_fs < 0)
- {
- struct statfs fsd;
- char typebuf[FSTYPSZ];
-
- if (statfs (mnt.mt_filsys, &fsd, sizeof fsd, 0) != -1
- && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
- {
- if (all_fs < 0 && REMOTE_FS_TYPE (typebuf))
- continue;
- fs_type = xstrdup (typebuf);
- }
- }
-# endif
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
# ifdef GETFSTYP /* SVR3. */
me->me_devname = xstrdup (mnt.mt_dev);
# endif
me->me_mountdir = xstrdup (mnt.mt_filsys);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
- me->me_type = fs_type;
+ me->me_type = "";
+# ifdef GETFSTYP /* SVR3. */
+ if (need_fs_type)
+ {
+ struct statfs fsd;
+ char typebuf[FSTYPSZ];
+
+ if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1
+ && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
+ me->me_type = xstrdup (typebuf);
+ }
+# endif
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
/* Add to the linked list. */
*mtail = me;
struct mntent **mnttbl=getmnttbl(),**ent;
for (ent=mnttbl;*ent;ent++)
{
- if (all_fs < 0 && REMOTE_FS_TYPE ((*ent)->mt_fstype))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup ( (*ent)->mt_resource);
me->me_mountdir = xstrdup( (*ent)->mt_directory);
me->me_type = xstrdup ((*ent)->mt_fstype);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
{
while ((ret = getmntent (fp, &mnt)) == 0)
{
- /* Don't show automounted filesystems twice on e.g., Solaris. */
- if (all_fs <= 0 && MNT_IGNORE (&mnt))
- continue;
-
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt.mnt_fstype))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (mnt.mnt_special);
me->me_mountdir = xstrdup (mnt.mnt_mountp);
me->me_type = xstrdup (mnt.mnt_fstype);
+ me->me_dummy = MNT_IGNORE (&mnt) != 0;
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
for (thisent = entries; thisent < entries + bufsize;
thisent += vmp->vmt_length)
{
+ char *options, *ignore;
+
vmp = (struct vmount *) thisent;
- if (all_fs < 0 && vmp->vmt_flags & MNT_REMOTE)
- continue;
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
if (vmp->vmt_flags & MNT_REMOTE)
{
char *host, *path;
+ me->me_remote = 1;
/* Prepend the remote pathname. */
host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off;
path = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off;
}
else
{
+ me->me_remote = 0;
me->me_devname = xstrdup (thisent +
vmp->vmt_data[VMT_OBJECT].vmt_off);
}
me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
+ options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off;
+ ignore = strstr (options, "ignore");
+ me->me_dummy = (ignore
+ && (ignore == options || ignore[-1] == ',')
+ && (ignore[sizeof "ignore" - 1] == ','
+ || ignore[sizeof "ignore" - 1] == '\0'));
me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */
/* Add to the linked list. */
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