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util-linux/util-linux-mount_libvolume_id_support.patch

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Index: util-linux-ng-2.12r+git20070330/mount/fstab.c
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/fstab.c
+++ util-linux-ng-2.12r+git20070330/mount/fstab.c
@@ -305,6 +305,7 @@ has_uuid(const char *device, const char
struct mntentchn *
getfsspecfile (const char *spec, const char *file) {
struct mntentchn *mc, *mc0;
+ char *nspec;
mc0 = fstab_head();
@@ -315,11 +316,12 @@ getfsspecfile (const char *spec, const c
return mc;
/* second attempt: names found after symlink resolution */
+ nspec = canonicalize(spec);
for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
if ((streq(mc->m.mnt_dir, file) ||
streq(canonicalize(mc->m.mnt_dir), file))
&& (streq(mc->m.mnt_fsname, spec) ||
- streq(canonicalize(mc->m.mnt_fsname), spec)))
+ streq(canonicalize(mc->m.mnt_fsname), nspec)))
return mc;
/* third attempt: names found after LABEL= or UUID= resolution */
@@ -356,11 +358,21 @@ getfsfile (const char *file) {
struct mntentchn *
getfsspec (const char *spec) {
struct mntentchn *mc, *mc0;
+ const char *nspec, *fsname;
mc0 = fstab_head();
- for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
- if (streq(mc->m.mnt_fsname, spec))
+ for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt) {
+ if (!strncmp (mc->m.mnt_fsname, "LABEL=", 6)) {
+ fsname = mount_get_devname_by_label(mc->m.mnt_fsname + 6);
+ } else if (!strncmp(mc->m.mnt_fsname, "UUID=", 5)) {
+ fsname = mount_get_devname_by_uuid(mc->m.mnt_fsname + 5);
+ } else {
+ fsname = mc->m.mnt_fsname;
+ }
+ nspec = canonicalize(fsname);
+ if (streq(nspec, spec))
return mc;
+ }
return NULL;
}
@@ -723,6 +735,8 @@ char *progname;
const char *mount_get_volume_label_by_spec(const char *spec) { return NULL; }
const char *mount_get_devname_by_uuid(const char *uuid) { return NULL; }
+const char *mount_get_devname_by_label(const char *label) { return NULL; }
+const char *mount_get_volume_uuid_by_spec(const char *spec) { return NULL; }
struct my_mntent *my_getmntent (mntFILE *mfp) { return NULL; }
mntFILE *my_setmntent (const char *file, char *mode) { return NULL; }
void my_endmntent (mntFILE *mfp) { }
Index: util-linux-ng-2.12r+git20070330/mount/mount.c
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount.c
+++ util-linux-ng-2.12r+git20070330/mount/mount.c
@@ -1746,6 +1746,8 @@ main(int argc, char *argv[]) {
if (mc == NULL)
mc = getfsspec (spec);
if (mc == NULL)
+ mc = getfsspec (canonicalize(spec));
+ if (mc == NULL)
die (EX_USAGE,
_("mount: cannot find %s in %s"),
spec, _PATH_FSTAB);
Index: util-linux-ng-2.12r+git20070330/mount/mount_blkid.c
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount_blkid.c
+++ util-linux-ng-2.12r+git20070330/mount/mount_blkid.c
@@ -1,6 +1,7 @@
#include <stdio.h>
#include "mount_blkid.h"
+#ifndef HAVE_LIBVOLUME_ID
#ifdef HAVE_LIBBLKID
blkid_cache blkid;
@@ -118,4 +119,5 @@ mount_get_devname_for_mounting(const cha
}
-#endif
+#endif /* HAVE_LIBBLKID */
+#endif /* HAVE_LIBVOLUME_ID */
Index: util-linux-ng-2.12r+git20070330/mount/mount_blkid.h
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount_blkid.h
+++ util-linux-ng-2.12r+git20070330/mount/mount_blkid.h
@@ -11,3 +11,5 @@ extern const char *mount_get_volume_uuid
extern const char *mount_get_volume_label_by_spec(const char *spec);
extern const char *mount_get_devname(const char *spec);
extern const char *mount_get_devname_for_mounting(const char *spec);
+
+extern const char *volume_id_get_tag(const char *spec, const char *token);
Index: util-linux-ng-2.12r+git20070330/mount/mount_by_label.c
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount_by_label.c
+++ util-linux-ng-2.12r+git20070330/mount/mount_by_label.c
@@ -1,4 +1,4 @@
-#ifndef HAVE_LIBBLKID
+#if (!defined HAVE_BLKID) && (!defined HAVE_LIBVOLUME_ID)
/*
* mount_by_label.c - aeb
*
Index: util-linux-ng-2.12r+git20070330/mount/mount_guess_fstype.c
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount_guess_fstype.c
+++ util-linux-ng-2.12r+git20070330/mount/mount_guess_fstype.c
@@ -46,15 +46,29 @@
#define ETC_FILESYSTEMS "/etc/filesystems"
#define PROC_FILESYSTEMS "/proc/filesystems"
+#ifdef HAVE_LIBVOLUME_ID
+
+static int
+known_fstype(const char *fstype) {
+ return 0;
+}
+
+const char *
+do_guess_fstype(const char *spec)
+{
+ return volume_id_get_tag(spec, "TYPE");
+}
+
+#else
#ifdef HAVE_LIBBLKID
-char *
+const char *
do_guess_fstype(const char *device)
{
return blkid_get_tag_value(blkid, "TYPE", device);
}
-static int
+const static int
known_fstype(const char *fstype)
{
return blkid_known_fstype(fstype);
@@ -492,6 +506,7 @@ io_error:
}
#endif
+#endif
static struct tried {
struct tried *next;
@@ -534,9 +549,9 @@ free_tested(void) {
tried = NULL;
}
-char *
+const char *
guess_fstype(const char *spec) {
- char *type = do_guess_fstype(spec);
+ const char *type = do_guess_fstype(spec);
if (verbose) {
printf (_("mount: you didn't specify a filesystem type for %s\n"),
spec);
Index: util-linux-ng-2.12r+git20070330/mount/mount_udev.c
===================================================================
--- /dev/null
+++ util-linux-ng-2.12r+git20070330/mount/mount_udev.c
@@ -0,0 +1,237 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/ioctl.h>
+#include <nls.h>
+#include <stddef.h>
+#include <libvolume_id.h>
+
+#include "mount_blkid.h"
+
+#ifdef HAVE_LIBVOLUME_ID
+
+extern int verbose;
+
+struct volume_id_types_t {
+ int id;
+ char *token;
+ char *env;
+};
+
+enum {
+ VOLUME_ID_NONE=0,
+ VOLUME_ID_TYPE,
+ VOLUME_ID_LABEL,
+ VOLUME_ID_UUID
+};
+
+#define volume_id_offset(member) (unsigned long)offsetof(struct volume_id,member)
+
+struct volume_id_types_t volume_id_types[] = {
+ { VOLUME_ID_TYPE, "TYPE", "ID_FS_TYPE" },
+ { VOLUME_ID_LABEL, "LABEL", "ID_FS_LABEL" },
+ { VOLUME_ID_UUID, "UUID", "ID_FS_UUID" },
+ { VOLUME_ID_NONE, NULL, NULL },
+};
+
+const char *
+volume_id_get_tag(const char *spec, const char *token)
+{
+ struct volume_id *vid;
+ uint64_t size;
+ struct volume_id_types_t *volume_id_ptr = volume_id_types;
+ char *var, *value;
+
+ value = calloc(1, VOLUME_ID_LABEL_SIZE);
+ if (!value)
+ return NULL;
+
+ if (!spec)
+ return NULL;
+
+ while (volume_id_ptr->token && strcmp(volume_id_ptr->token,token))
+ volume_id_ptr++;
+
+ if (!volume_id_ptr->token) {
+ free(value);
+ value = NULL;
+ goto out;
+ }
+
+ /* Quick exit if ID_FS_* variables are set */
+ if ((var = getenv(volume_id_ptr->env))) {
+ strncpy(value,var,VOLUME_ID_LABEL_SIZE - 1);
+ goto out;
+ }
+
+ vid = volume_id_open_node(spec);
+ if (!vid) {
+ free(value);
+ value = NULL;
+ goto out;
+ }
+
+ if (ioctl(vid->fd, BLKGETSIZE64, &size) != 0)
+ size = 0;
+
+ if (volume_id_probe_all(vid, 0, size) == 0) {
+ switch(volume_id_ptr->id) {
+ case VOLUME_ID_TYPE:
+ strcpy(value, vid->type);
+ break;
+ case VOLUME_ID_LABEL:
+ strcpy(value, vid->label);
+ break;
+ case VOLUME_ID_UUID:
+ strcpy(value, vid->uuid);
+ break;
+ default:
+ free(value);
+ value = NULL;
+ break;
+ }
+ } else
+ value = NULL;
+
+ volume_id_close(vid);
+
+ out:
+ return value;
+}
+
+void
+mount_blkid_get_cache(void) {}
+
+void
+mount_blkid_put_cache(void) {}
+
+const char *
+mount_get_volume_uuid_by_spec(const char *spec)
+{
+ return volume_id_get_tag(spec, "UUID");
+}
+
+const char *
+mount_get_volume_label_by_spec(const char *spec)
+{
+ return volume_id_get_tag(spec, "LABEL");
+}
+
+const char *
+mount_get_devname_by_uuid(const char *uuid) {
+ char *dev = NULL;
+
+ if (!uuid)
+ return NULL;
+
+ dev = malloc(19 + strlen(uuid));
+ if (dev) {
+ strcpy(dev,"/dev/disk/by-uuid/");
+ strcat(dev,uuid);
+ }
+
+ return dev;
+}
+
+const char *
+mount_get_devname_by_label(const char *label) {
+ char *dev = NULL;
+
+ if (!label)
+ return NULL;
+
+ dev = malloc(20 + strlen(label));
+ if (dev) {
+ strcpy(dev,"/dev/disk/by-label/");
+ strcat(dev,label);
+ }
+
+ return dev;
+}
+
+const char *
+mount_get_devname(const char *spec)
+{
+ char *token, *cp, *value;
+ const char *nspec = NULL;
+
+ if (!spec)
+ return NULL;
+
+ token = strdup(spec);
+ if (!token)
+ return NULL;
+
+ /* We have to return an allocated string */
+ if (!(cp = strchr(token, '=')))
+ return token;
+
+ value = token + (cp - token);
+ *value++ = '\0';
+
+ if (*value == '"' || *value == '\'') {
+ char c = *value++;
+ if (!(cp = strrchr(value, c)))
+ goto errout; /* missing closing quote */
+ *cp = '\0';
+ }
+
+ if (!strcmp(token,"LABEL")) {
+ nspec = mount_get_devname_by_label(value);
+ } else if (!strcmp(token,"UUID")) {
+ nspec = mount_get_devname_by_uuid(value);
+ }
+
+ free(token);
+
+ errout:
+ return nspec;
+}
+
+/* Also when no UUID= or LABEL= occur? No verbose? No warnings? */
+const char *
+mount_get_devname_for_mounting(const char *spec)
+{
+ char *token, *cp, *value;
+ const char *nspec = NULL;
+
+ if (!spec)
+ return NULL;
+
+ token = strdup(spec);
+ if (!token)
+ return NULL;
+
+ /* We have to return an allocated string */
+ if (!(cp = strchr(token, '=')))
+ return token;
+
+ value = token + (cp - token);
+ *value++ = '\0';
+
+ if (*value == '"' || *value == '\'') {
+ char c = *value++;
+ if (!(cp = strrchr(value, c)))
+ goto errout; /* missing closing quote */
+ *cp = '\0';
+ }
+
+ if (!strcmp(token,"LABEL")) {
+ nspec = mount_get_devname_by_label(value);
+ if (nspec && verbose > 1)
+ printf(_("mount: going to mount %s by LABEL\n"), spec);
+ } else if (!strcmp(token,"UUID")) {
+ nspec = mount_get_devname_by_uuid(value);
+ if (nspec && verbose > 1)
+ printf(_("mount: going to mount %s by UUID\n"), spec);
+ }
+
+ free(token);
+
+ errout:
+ return nspec;
+}
+
+#endif
Index: util-linux-ng-2.12r+git20070330/mount/mount_guess_fstype.h
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/mount_guess_fstype.h
+++ util-linux-ng-2.12r+git20070330/mount/mount_guess_fstype.h
@@ -8,8 +8,8 @@ struct mountargs {
extern int verbose;
-char *guess_fstype(const char *device);
-char *do_guess_fstype(const char *device);
+const char *guess_fstype(const char *device);
+const char *do_guess_fstype(const char *device);
int procfsloop(int (*mount_fn)(struct mountargs *), struct mountargs *args,
const char **type);
int is_in_procfs(const char *fstype);
Index: util-linux-ng-2.12r+git20070330/configure.ac
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/configure.ac
+++ util-linux-ng-2.12r+git20070330/configure.ac
@@ -57,8 +57,10 @@ AC_CHECK_LIB(termcap, tgetnum)
AM_CONDITIONAL(HAVE_TERMCAP, test x$ac_cv_lib_termcap_tgetnum = xyes)
AC_CHECK_LIB(blkid, blkid_known_fstype)
-AM_CONDITIONAL(HAVE_BLKID, test x$ac_cv_lib_blkid_blkid_known_fstype = xyes)
+AC_CHECK_LIB(volume_id, volume_id_open_node)
+AM_CONDITIONAL(HAVE_BLKID, test x$ac_cv_lib_blkid_blkid_known_fstype = xyes)
+AM_CONDITIONAL(HAVE_VOLUME_ID, test x$ac_cv_lib_volume_id_volume_id_open_node = xyes)
AM_GNU_GETTEXT_VERSION([0.14.1])
AM_GNU_GETTEXT([external])
Index: util-linux-ng-2.12r+git20070330/mount/Makefile.am
===================================================================
--- util-linux-ng-2.12r+git20070330.orig/mount/Makefile.am
+++ util-linux-ng-2.12r+git20070330/mount/Makefile.am
@@ -16,7 +16,7 @@ MNTHDRS = fstab.h linux_fs.h mount_mnten
mount_SOURCES = mount.c fstab.c sundries.c xmalloc.c realpath.c mount_mntent.c \
get_label_uuid.c mount_by_label.c mount_blkid.c mount_guess_fstype.c \
- getusername.c \
+ mount_udev.c getusername.c \
nfsmount.c nfsmount_clnt.c nfs4mount.c \
lomount.c \
$(MNTHDRS)
@@ -24,14 +24,14 @@ mount_SOURCES = mount.c fstab.c sundries
mount_LDADD = $(top_srcdir)/lib/libenv.a $(top_srcdir)/lib/libsetproctitle.a libnfsmount_xdr.a
umount_SOURCES = umount.c fstab.c sundries.c xmalloc.c realpath.c mount_mntent.c \
- getusername.c get_label_uuid.c mount_by_label.c mount_blkid.c \
+ getusername.c get_label_uuid.c mount_by_label.c mount_blkid.c mount_udev.c \
lomount.c \
$(MNTHDRS)
umount_LDADD = $(top_srcdir)/lib/libenv.a
swapon_SOURCES = swapon.c xmalloc.c \
- get_label_uuid.c mount_by_label.c mount_blkid.c \
+ get_label_uuid.c mount_by_label.c mount_blkid.c mount_udev.c \
swap_constants.h realpath.c
losetup_SOURCES = lomount.c loop.h lomount.h
@@ -43,6 +43,12 @@ umount_LDADD += -lblkid -luuid
swapon_LDADD = -lblkid -luuid
endif
+if HAVE_VOLUME_ID
+mount_LDADD += -lvolume_id
+umount_LDADD += -lvolume_id
+swapon_LDADD = -lvolume_id
+endif
+
if HAVE_PIVOT_ROOT
sbin_PROGRAMS += pivot_root
man_MANS += pivot_root.8
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