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New upstream version 2.3.4

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This commit is contained in:
Jan Wagner 2023-10-18 07:29:37 +00:00
parent e7bdd1c6c6
commit de72f6f588
556 changed files with 90432 additions and 53391 deletions
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496
gl/mountlist.c
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@ -1,10 +1,10 @@
/* mountlist.c -- return a list of mounted file systems
Copyright (C) 1991-1992, 1997-2013 Free Software Foundation, Inc.
Copyright (C) 1991-1992, 1997-2023 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
the Free Software Foundation; either version 3 of the License, or
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@ -13,7 +13,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
@ -37,7 +37,13 @@
# include <sys/param.h>
#endif
#if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */
#if MAJOR_IN_MKDEV
# include <sys/mkdev.h>
#elif MAJOR_IN_SYSMACROS
# include <sys/sysmacros.h>
#endif
#if defined MOUNTED_GETFSSTAT /* OSF/1, also (obsolete) Apple Darwin 1.3 */
# if HAVE_SYS_UCRED_H
# include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS,
NGROUPS is used as an array dimension in ucred.h */
@ -56,102 +62,104 @@
# endif
#endif /* MOUNTED_GETFSSTAT */
#ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
#ifdef MOUNTED_GETMNTENT1 /* glibc, HP-UX, IRIX, Cygwin, Android,
also (obsolete) 4.3BSD, SunOS */
# include <mntent.h>
# if !defined MOUNTED
# include <sys/types.h>
# if defined __ANDROID__ /* Android */
/* Bionic versions from between 2014-01-09 and 2015-01-08 define MOUNTED to
an incorrect value; older Bionic versions don't define it at all. */
# undef MOUNTED
# define MOUNTED "/proc/mounts"
# elif !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. */
# define MOUNTED MNTTABNAME
# endif
# endif
#endif
#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */
#ifdef MOUNTED_GETMNTINFO /* Mac OS X, FreeBSD, OpenBSD, also (obsolete) 4.4BSD */
# include <sys/mount.h>
#endif
#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */
#ifdef MOUNTED_GETMNTINFO2 /* NetBSD, Minix */
# include <sys/statvfs.h>
#endif
#ifdef MOUNTED_GETMNT /* Ultrix. */
# include <sys/mount.h>
# include <sys/fs_types.h>
#endif
#ifdef MOUNTED_FS_STAT_DEV /* BeOS. */
#ifdef MOUNTED_FS_STAT_DEV /* Haiku, also (obsolete) BeOS */
# include <fs_info.h>
# include <dirent.h>
#endif
#ifdef MOUNTED_FREAD /* SVR2. */
# include <mnttab.h>
#endif
#ifdef MOUNTED_FREAD_FSTYP /* SVR3. */
#ifdef MOUNTED_FREAD_FSTYP /* (obsolete) SVR3 */
# include <mnttab.h>
# include <sys/fstyp.h>
# include <sys/statfs.h>
#endif
#ifdef MOUNTED_LISTMNTENT
# include <mntent.h>
#endif
#ifdef MOUNTED_GETMNTENT2 /* SVR4. */
#ifdef MOUNTED_GETEXTMNTENT /* Solaris >= 8 */
# include <sys/mnttab.h>
#endif
#ifdef MOUNTED_VMOUNT /* AIX. */
#ifdef MOUNTED_GETMNTENT2 /* Solaris < 8, also (obsolete) SVR4 */
# include <sys/mnttab.h>
#endif
#ifdef MOUNTED_VMOUNT /* AIX */
# include <fshelp.h>
# include <sys/vfs.h>
#endif
#ifdef MOUNTED_INTERIX_STATVFS /* Interix. */
#ifdef MOUNTED_INTERIX_STATVFS /* Interix */
# include <sys/statvfs.h>
# include <dirent.h>
#endif
#ifdef DOLPHIN
/* So special that it's not worth putting this in autoconf. */
# undef MOUNTED_FREAD_FSTYP
# define MOUNTED_GETMNTTBL
#endif
#if HAVE_SYS_MNTENT_H
/* This is to get MNTOPT_IGNORE on e.g. SVR4. */
# include <sys/mntent.h>
#endif
#ifdef MOUNTED_GETMNTENT1
# if !HAVE_SETMNTENT /* Android <= 4.4 */
# define setmntent(fp,mode) fopen (fp, mode "e")
# endif
# if !HAVE_ENDMNTENT /* Android <= 4.4 */
# define endmntent(fp) fclose (fp)
# endif
#endif
#ifndef HAVE_HASMNTOPT
# define hasmntopt(mnt, opt) ((char *) 0)
#endif
#undef MNT_IGNORE
#ifdef MNTOPT_IGNORE
# define MNT_IGNORE(M) hasmntopt (M, MNTOPT_IGNORE)
# if defined __sun && defined __SVR4
/* Solaris defines hasmntopt(struct mnttab *, char *)
while it is otherwise hasmntopt(struct mnttab *, const char *). */
# define MNT_IGNORE(M) hasmntopt (M, (char *) MNTOPT_IGNORE)
# else
# define MNT_IGNORE(M) hasmntopt (M, MNTOPT_IGNORE)
# endif
#else
# define MNT_IGNORE(M) 0
#endif
#if USE_UNLOCKED_IO
# include "unlocked-io.h"
#endif
/* The results of open() in this file are not used with fchdir,
therefore save some unnecessary work in fchdir.c. */
#undef open
#undef close
/* Each of the FILE streams in this file is only used in a single thread. */
#include "unlocked-io.h"
/* The results of opendir() in this file are not used with dirfd and fchdir,
therefore save some unnecessary work in fchdir.c. */
#undef opendir
#undef closedir
#ifdef GNULIB_defined_opendir
# undef opendir
#endif
#ifdef GNULIB_defined_closedir
# undef closedir
#endif
#define ME_DUMMY_0(Fs_name, Fs_type) \
(strcmp (Fs_type, "autofs") == 0 \
@ -161,6 +169,7 @@
|| strcmp (Fs_type, "debugfs") == 0 \
|| strcmp (Fs_type, "devpts") == 0 \
|| strcmp (Fs_type, "fusectl") == 0 \
|| strcmp (Fs_type, "fuse.portal") == 0 \
|| strcmp (Fs_type, "mqueue") == 0 \
|| strcmp (Fs_type, "rpc_pipefs") == 0 \
|| strcmp (Fs_type, "sysfs") == 0 \
@ -176,10 +185,9 @@
we grant an exception to any with "bind" in its list of mount options.
I.e., those are *not* dummy entries. */
#ifdef MOUNTED_GETMNTENT1
# define ME_DUMMY(Fs_name, Fs_type, Fs_ent) \
# define ME_DUMMY(Fs_name, Fs_type, Bind) \
(ME_DUMMY_0 (Fs_name, Fs_type) \
|| (strcmp (Fs_type, "none") == 0 \
&& !hasmntopt (Fs_ent, "bind")))
|| (strcmp (Fs_type, "none") == 0 && !Bind))
#else
# define ME_DUMMY(Fs_name, Fs_type) \
(ME_DUMMY_0 (Fs_name, Fs_type) || strcmp (Fs_type, "none") == 0)
@ -187,11 +195,14 @@
#ifdef __CYGWIN__
# include <windows.h>
/* Don't assume that UNICODE is not defined. */
# undef GetDriveType
# define GetDriveType GetDriveTypeA
# define ME_REMOTE me_remote
/* All cygwin mount points include ':' or start with '//'; so it
requires a native Windows call to determine remote disks. */
static bool
me_remote (char const *fs_name, char const *fs_type _GL_UNUSED)
me_remote (char const *fs_name, _GL_UNUSED char const *fs_type)
{
if (fs_name[0] && fs_name[1] == ':')
{
@ -212,16 +223,30 @@ me_remote (char const *fs_name, char const *fs_type _GL_UNUSED)
#ifndef ME_REMOTE
/* A file system is "remote" if its Fs_name contains a ':'
or if (it is of type (smbfs or cifs) and its Fs_name starts with '//'). */
or if (it is of type (smbfs or cifs) and its Fs_name starts with '//')
or if it is of any other of the listed types
or Fs_name is equal to "-hosts" (used by autofs to mount remote fs).
"VM" file systems like prl_fs or vboxsf are not considered remote here. */
# define ME_REMOTE(Fs_name, Fs_type) \
(strchr (Fs_name, ':') != NULL \
|| ((Fs_name)[0] == '/' \
&& (Fs_name)[1] == '/' \
&& (strcmp (Fs_type, "smbfs") == 0 \
|| strcmp (Fs_type, "cifs") == 0)))
|| strcmp (Fs_type, "smb3") == 0 \
|| strcmp (Fs_type, "cifs") == 0)) \
|| strcmp (Fs_type, "acfs") == 0 \
|| strcmp (Fs_type, "afs") == 0 \
|| strcmp (Fs_type, "coda") == 0 \
|| strcmp (Fs_type, "auristorfs") == 0 \
|| strcmp (Fs_type, "fhgfs") == 0 \
|| strcmp (Fs_type, "gpfs") == 0 \
|| strcmp (Fs_type, "ibrix") == 0 \
|| strcmp (Fs_type, "ocfs2") == 0 \
|| strcmp (Fs_type, "vxfs") == 0 \
|| strcmp ("-hosts", Fs_name) == 0)
#endif
#if MOUNTED_GETMNTINFO
#if MOUNTED_GETMNTINFO /* Mac OS X, FreeBSD, OpenBSD, also (obsolete) 4.4BSD */
# if ! HAVE_STRUCT_STATFS_F_FSTYPENAME
static char *
@ -331,7 +356,7 @@ fsp_to_string (const struct statfs *fsp)
#endif /* MOUNTED_GETMNTINFO */
#ifdef MOUNTED_VMOUNT /* AIX. */
#ifdef MOUNTED_VMOUNT /* AIX */
static char *
fstype_to_string (int t)
{
@ -382,6 +407,46 @@ dev_from_mount_options (char const *mount_options)
#endif
#if defined MOUNTED_GETMNTENT1 && (defined __linux__ || defined __ANDROID__) /* GNU/Linux, Android */
/* Unescape the paths in mount tables.
STR is updated in place. */
static void
unescape_tab (char *str)
{
size_t i, j = 0;
size_t len = strlen (str) + 1;
for (i = 0; i < len; i++)
{
if (str[i] == '\\' && (i + 4 < len)
&& str[i + 1] >= '0' && str[i + 1] <= '3'
&& str[i + 2] >= '0' && str[i + 2] <= '7'
&& str[i + 3] >= '0' && str[i + 3] <= '7')
{
str[j++] = (str[i + 1] - '0') * 64 +
(str[i + 2] - '0') * 8 +
(str[i + 3] - '0');
i += 3;
}
else
str[j++] = str[i];
}
}
/* Find the next space in STR, terminate the string there in place,
and return that position. Otherwise return NULL. */
static char *
terminate_at_blank (char *str)
{
char *s = strchr (str, ' ');
if (s)
*s = '\0';
return s;
}
#endif
/* Return a list of the currently mounted file systems, or NULL on error.
Add each entry to the tail of the list so that they stay in order.
If NEED_FS_TYPE is true, ensure that the file system type fields in
@ -395,69 +460,141 @@ read_file_system_list (bool need_fs_type)
struct mount_entry **mtail = &mount_list;
(void) need_fs_type;
#ifdef MOUNTED_LISTMNTENT
#ifdef MOUNTED_GETMNTENT1 /* glibc, HP-UX, IRIX, Cygwin, Android,
also (obsolete) 4.3BSD, SunOS */
{
struct tabmntent *mntlist, *p;
struct mntent *mnt;
struct mount_entry *me;
/* the third and fourth arguments could be used to filter mounts,
but Crays doesn't seem to have any mounts that we want to
remove. Specifically, automount create normal NFS mounts.
*/
if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0)
return NULL;
for (p = mntlist; p; p = p->next)
{
mnt = p->ment;
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (mnt->mnt_fsname);
me->me_mountdir = xstrdup (mnt->mnt_dir);
me->me_type = xstrdup (mnt->mnt_type);
me->me_type_malloced = 1;
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;
}
freemntlist (mntlist);
}
#endif
#ifdef MOUNTED_GETMNTENT1 /* GNU/Linux, 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
{
struct mntent *mnt;
char const *table = MOUNTED;
FILE *fp;
fp = setmntent (table, "r");
if (fp == NULL)
return NULL;
while ((mnt = getmntent (fp)))
# if defined __linux__ || defined __ANDROID__
/* Try parsing mountinfo first, as that make device IDs available.
Note we could use libmount routines to simplify this parsing a little
(and that code is in previous versions of this function), however
libmount depends on libselinux which pulls in many dependencies. */
char const *mountinfo = "/proc/self/mountinfo";
fp = fopen (mountinfo, "re");
if (fp != NULL)
{
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (mnt->mnt_fsname);
me->me_mountdir = xstrdup (mnt->mnt_dir);
me->me_type = xstrdup (mnt->mnt_type);
me->me_type_malloced = 1;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type, mnt);
me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = dev_from_mount_options (mnt->mnt_opts);
char *line = NULL;
size_t buf_size = 0;
/* Add to the linked list. */
*mtail = me;
mtail = &me->me_next;
while (getline (&line, &buf_size, fp) != -1)
{
unsigned int devmaj, devmin;
int rc, mntroot_s;
rc = sscanf(line, "%*u " /* id - discarded */
"%*u " /* parent - discarded */
"%u:%u " /* dev major:minor */
"%n", /* mountroot (start) */
&devmaj, &devmin,
&mntroot_s);
if (rc != 2 && rc != 3) /* 3 if %n included in count. */
continue;
/* find end of MNTROOT. */
char *mntroot = line + mntroot_s;
char *blank = terminate_at_blank (mntroot);
if (! blank)
continue;
/* find end of TARGET. */
char *target = blank + 1;
blank = terminate_at_blank (target);
if (! blank)
continue;
/* skip optional fields, terminated by " - " */
char *dash = strstr (blank + 1, " - ");
if (! dash)
continue;
/* advance past the " - " separator. */
char *fstype = dash + 3;
blank = terminate_at_blank (fstype);
if (! blank)
continue;
/* find end of SOURCE. */
char *source = blank + 1;
if (! terminate_at_blank (source))
continue;
/* manipulate the sub-strings in place. */
unescape_tab (source);
unescape_tab (target);
unescape_tab (mntroot);
unescape_tab (fstype);
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (source);
me->me_mountdir = xstrdup (target);
me->me_mntroot = xstrdup (mntroot);
me->me_type = xstrdup (fstype);
me->me_type_malloced = 1;
me->me_dev = makedev (devmaj, devmin);
/* we pass "false" for the "Bind" option as that's only
significant when the Fs_type is "none" which will not be
the case when parsing "/proc/self/mountinfo", and only
applies for static /etc/mtab files. */
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type, false);
me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
/* Add to the linked list. */
*mtail = me;
mtail = &me->me_next;
}
free (line);
if (ferror (fp))
{
int saved_errno = errno;
fclose (fp);
errno = saved_errno;
goto free_then_fail;
}
if (fclose (fp) == EOF)
goto free_then_fail;
}
else /* fallback to /proc/self/mounts (/etc/mtab). */
# endif /* __linux __ || __ANDROID__ */
{
struct mntent *mnt;
char const *table = MOUNTED;
if (endmntent (fp) == 0)
goto free_then_fail;
fp = setmntent (table, "r");
if (fp == NULL)
return NULL;
while ((mnt = getmntent (fp)))
{
bool bind = hasmntopt (mnt, "bind");
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (mnt->mnt_fsname);
me->me_mountdir = xstrdup (mnt->mnt_dir);
me->me_mntroot = NULL;
me->me_type = xstrdup (mnt->mnt_type);
me->me_type_malloced = 1;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type, bind);
me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = dev_from_mount_options (mnt->mnt_opts);
/* Add to the linked list. */
*mtail = me;
mtail = &me->me_next;
}
if (endmntent (fp) == 0)
goto free_then_fail;
}
}
#endif /* MOUNTED_GETMNTENT1. */
#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */
#ifdef MOUNTED_GETMNTINFO /* Mac OS X, FreeBSD, OpenBSD, also (obsolete) 4.4BSD */
{
struct statfs *fsp;
int entries;
@ -472,6 +609,7 @@ read_file_system_list (bool need_fs_type)
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (fsp->f_mntfromname);
me->me_mountdir = xstrdup (fsp->f_mntonname);
me->me_mntroot = NULL;
me->me_type = fs_type;
me->me_type_malloced = 0;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
@ -485,7 +623,7 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_GETMNTINFO */
#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */
#ifdef MOUNTED_GETMNTINFO2 /* NetBSD, Minix */
{
struct statvfs *fsp;
int entries;
@ -498,6 +636,7 @@ read_file_system_list (bool need_fs_type)
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (fsp->f_mntfromname);
me->me_mountdir = xstrdup (fsp->f_mntonname);
me->me_mntroot = NULL;
me->me_type = xstrdup (fsp->f_fstypename);
me->me_type_malloced = 1;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
@ -511,35 +650,7 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_GETMNTINFO2 */
#ifdef MOUNTED_GETMNT /* Ultrix. */
{
int offset = 0;
int val;
struct fs_data fsd;
while (errno = 0,
0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY,
(char *) 0)))
{
me = xmalloc (sizeof *me);
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_type_malloced = 0;
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. */
*mtail = me;
mtail = &me->me_next;
}
if (val < 0)
goto free_then_fail;
}
#endif /* MOUNTED_GETMNT. */
#if defined MOUNTED_FS_STAT_DEV /* BeOS */
#if defined MOUNTED_FS_STAT_DEV /* Haiku, also (obsolete) BeOS */
{
/* The next_dev() and fs_stat_dev() system calls give the list of
all file systems, including the information returned by statvfs()
@ -622,6 +733,7 @@ read_file_system_list (bool need_fs_type)
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_mntroot = NULL;
me->me_type = xstrdup (fi.fsh_name);
me->me_type_malloced = 1;
me->me_dev = fi.dev;
@ -644,7 +756,7 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_FS_STAT_DEV */
#if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */
#if defined MOUNTED_GETFSSTAT /* OSF/1, also (obsolete) Apple Darwin 1.3 */
{
int numsys, counter;
size_t bufsize;
@ -671,6 +783,7 @@ read_file_system_list (bool need_fs_type)
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (stats[counter].f_mntfromname);
me->me_mountdir = xstrdup (stats[counter].f_mntonname);
me->me_mntroot = NULL;
me->me_type = xstrdup (FS_TYPE (stats[counter]));
me->me_type_malloced = 1;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
@ -686,31 +799,25 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_GETFSSTAT */
#if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23]. */
#if defined MOUNTED_FREAD_FSTYP /* (obsolete) SVR3 */
{
struct mnttab mnt;
char *table = "/etc/mnttab";
FILE *fp;
fp = fopen (table, "r");
fp = fopen (table, "re");
if (fp == NULL)
return NULL;
while (fread (&mnt, sizeof mnt, 1, fp) > 0)
{
me = xmalloc (sizeof *me);
# ifdef GETFSTYP /* SVR3. */
me->me_devname = xstrdup (mnt.mt_dev);
# else
me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6);
strcpy (me->me_devname, "/dev/");
strcpy (me->me_devname + 5, mnt.mt_dev);
# endif
me->me_mountdir = xstrdup (mnt.mt_filsys);
me->me_mntroot = NULL;
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
me->me_type = "";
me->me_type_malloced = 0;
# ifdef GETFSTYP /* SVR3. */
if (need_fs_type)
{
struct statfs fsd;
@ -723,7 +830,6 @@ read_file_system_list (bool need_fs_type)
me->me_type_malloced = 1;
}
}
# endif
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
@ -744,34 +850,57 @@ read_file_system_list (bool need_fs_type)
if (fclose (fp) == EOF)
goto free_then_fail;
}
#endif /* MOUNTED_FREAD || MOUNTED_FREAD_FSTYP. */
#endif /* MOUNTED_FREAD_FSTYP. */
#ifdef MOUNTED_GETMNTTBL /* DolphinOS goes its own way. */
#ifdef MOUNTED_GETEXTMNTENT /* Solaris >= 8 */
{
struct mntent **mnttbl = getmnttbl (), **ent;
for (ent = mnttbl; *ent; ent++)
struct extmnttab mnt;
const char *table = MNTTAB;
FILE *fp;
int ret;
/* No locking is needed, because the contents of /etc/mnttab is generated
by the kernel. */
errno = 0;
fp = fopen (table, "re");
if (fp == NULL)
ret = errno;
else
{
me = xmalloc (sizeof *me);
me->me_devname = xstrdup ((*ent)->mt_resource);
me->me_mountdir = xstrdup ((*ent)->mt_directory);
me->me_type = xstrdup ((*ent)->mt_fstype);
me->me_type_malloced = 1;
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. */
while ((ret = getextmntent (fp, &mnt, 1)) == 0)
{
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (mnt.mnt_special);
me->me_mountdir = xstrdup (mnt.mnt_mountp);
me->me_mntroot = NULL;
me->me_type = xstrdup (mnt.mnt_fstype);
me->me_type_malloced = 1;
me->me_dummy = MNT_IGNORE (&mnt) != 0;
me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = makedev (mnt.mnt_major, mnt.mnt_minor);
/* Add to the linked list. */
*mtail = me;
mtail = &me->me_next;
/* Add to the linked list. */
*mtail = me;
mtail = &me->me_next;
}
ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1;
/* Here ret = -1 means success, ret >= 0 means failure. */
}
endmnttbl ();
}
#endif
#ifdef MOUNTED_GETMNTENT2 /* SVR4. */
if (0 <= ret)
{
errno = ret;
goto free_then_fail;
}
}
#endif /* MOUNTED_GETEXTMNTENT */
#ifdef MOUNTED_GETMNTENT2 /* Solaris < 8, also (obsolete) SVR4 */
{
struct mnttab mnt;
char *table = MNTTAB;
const char *table = MNTTAB;
FILE *fp;
int ret;
int lockfd = -1;
@ -784,7 +913,7 @@ read_file_system_list (bool need_fs_type)
# ifndef MNTTAB_LOCK
# define MNTTAB_LOCK "/etc/.mnttab.lock"
# endif
lockfd = open (MNTTAB_LOCK, O_RDONLY);
lockfd = open (MNTTAB_LOCK, O_RDONLY | O_CLOEXEC);
if (0 <= lockfd)
{
struct flock flock;
@ -806,7 +935,7 @@ read_file_system_list (bool need_fs_type)
# endif
errno = 0;
fp = fopen (table, "r");
fp = fopen (table, "re");
if (fp == NULL)
ret = errno;
else
@ -816,6 +945,7 @@ read_file_system_list (bool need_fs_type)
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (mnt.mnt_special);
me->me_mountdir = xstrdup (mnt.mnt_mountp);
me->me_mntroot = NULL;
me->me_type = xstrdup (mnt.mnt_fstype);
me->me_type_malloced = 1;
me->me_dummy = MNT_IGNORE (&mnt) != 0;
@ -828,6 +958,7 @@ read_file_system_list (bool need_fs_type)
}
ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1;
/* Here ret = -1 means success, ret >= 0 means failure. */
}
if (0 <= lockfd && close (lockfd) != 0)
@ -841,26 +972,26 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_GETMNTENT2. */
#ifdef MOUNTED_VMOUNT /* AIX. */
#ifdef MOUNTED_VMOUNT /* AIX */
{
int bufsize;
char *entries, *thisent;
void *entries;
char *thisent;
struct vmount *vmp;
int n_entries;
int i;
/* Ask how many bytes to allocate for the mounted file system info. */
if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0)
entries = &bufsize;
if (mntctl (MCTL_QUERY, sizeof bufsize, entries) != 0)
return NULL;
entries = xmalloc (bufsize);
/* Get the list of mounted file systems. */
n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries);
n_entries = mntctl (MCTL_QUERY, bufsize, entries);
if (n_entries < 0)
{
int saved_errno = errno;
free (entries);
errno = saved_errno;
return NULL;
}
@ -892,6 +1023,7 @@ read_file_system_list (bool need_fs_type)
vmp->vmt_data[VMT_OBJECT].vmt_off);
}
me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
me->me_mntroot = NULL;
me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
me->me_type_malloced = 1;
options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off;
@ -910,7 +1042,7 @@ read_file_system_list (bool need_fs_type)
}
#endif /* MOUNTED_VMOUNT. */
#ifdef MOUNTED_INTERIX_STATVFS
#ifdef MOUNTED_INTERIX_STATVFS /* Interix */
{
DIR *dirp = opendir ("/dev/fs");
char node[9 + NAME_MAX];
@ -924,6 +1056,8 @@ read_file_system_list (bool need_fs_type)
struct dirent entry;
struct dirent *result;
/* FIXME: readdir_r is planned to be withdrawn from POSIX and
marked obsolescent in glibc. Use readdir instead. */
if (readdir_r (dirp, &entry, &result) || result == NULL)
break;
@ -935,6 +1069,7 @@ read_file_system_list (bool need_fs_type)
me = xmalloc (sizeof *me);
me->me_devname = xstrdup (dev.f_mntfromname);
me->me_mountdir = xstrdup (dev.f_mntonname);
me->me_mntroot = NULL;
me->me_type = xstrdup (dev.f_fstypename);
me->me_type_malloced = 1;
me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
@ -946,6 +1081,7 @@ read_file_system_list (bool need_fs_type)
mtail = &me->me_next;
}
}
closedir (dirp);
}
#endif /* MOUNTED_INTERIX_STATVFS */
@ -953,7 +1089,7 @@ read_file_system_list (bool need_fs_type)
return mount_list;
free_then_fail:
free_then_fail: _GL_UNUSED_LABEL;
{
int saved_errno = errno;
*mtail = NULL;
@ -972,10 +1108,12 @@ read_file_system_list (bool need_fs_type)
/* Free a mount entry as returned from read_file_system_list (). */
void free_mount_entry (struct mount_entry *me)
void
free_mount_entry (struct mount_entry *me)
{
free (me->me_devname);
free (me->me_mountdir);
free (me->me_mntroot);
if (me->me_type_malloced)
free (me->me_type);
free (me);