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util-linux/util-linux-libvolume_id-support.patch

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--- MCONFIG
+++ MCONFIG
@@ -138,8 +138,8 @@
CPUTAIL=486
endif
ifeq "$(CPU)" "x86_64"
- CPUHEAD=-mcpu=
- CPUTAIL=nocona
+ CPUHEAD=-mtune=
+ CPUTAIL=k8
endif
CPUOPT= $(CPUHEAD)$(CPUTAIL)
OPT= -pipe -O2 $(CPUOPT) -fomit-frame-pointer
@@ -151,7 +151,7 @@
endif
endif
-WARNFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes
+WARNFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -g
LIB=../lib
--- configure
+++ configure
@@ -754,3 +754,23 @@
echo "You don't have blkid"
fi
rm -f conftest conftest.c
+
+#
+# 16. For mount, do we have libvolume_id?
+#
+echo '
+#include <stdlib.h>
+#include <libvolume_id.h>
+int main(){ exit(0); volume_id_close(NULL); }
+' > conftest.c
+LIBS="-lvolume_id"
+eval $compile
+LIBS=
+if test -s conftest; then
+ echo "HAVE_VOLID=yes" >> make_include
+ echo "You have libvolume_id"
+else
+ echo "HAVE_VOLID=no" >> make_include
+ echo "You don't have libvolume_id"
+fi
+rm -f conftest conftest.c
--- mount/Makefile
+++ mount/Makefile
@@ -1,7 +1,7 @@
include ../make_include
include ../MCONFIG
-DEFINES = -DHAVE_NFS $(BLKID_DEFINE)
+DEFINES = -DHAVE_NFS $(BLKID_DEFINE) $(VOLID_DEFINE)
RPCSVCDIR = rpcsvc
RPC_CFLAGS = -Wno-unused
@@ -25,6 +25,11 @@
BLKID_LIB = -lblkid -luuid
endif
+ifeq "$(HAVE_VOLID)" "yes"
+VOLID_DEFINE = -DHAVE_VOLID
+VOLID_LIB = -lvolume_id
+endif
+
PROGS = $(SUID_PROGS) $(NOSUID_PROGS)
MAYBE = pivot_root swapoff
@@ -48,23 +53,25 @@
mount: mount.o fstab.o sundries.o xmalloc.o realpath.o mntent.o version.o \
get_label_uuid.o mount_by_label.o mount_blkid.o mount_guess_fstype.o \
+ mount_udev.o \
getusername.o $(LIB)/setproctitle.o $(LIB)/env.o $(NFS_OBJS) lomount.o \
loumount.o loop.o sha512.o rmd160.o aes.o $(LIB)/xstrncpy.o
- $(LINK) $^ -o $@ $(BLKID_LIB)
+ $(LINK) $^ -o $@ $(BLKID_LIB) $(VOLID_LIB)
umount: umount.o fstab.o sundries.o xmalloc.o realpath.o mntent.o \
getusername.o get_label_uuid.o mount_by_label.o mount_blkid.o \
- version.o $(LIB)/env.o loumount.o
- $(LINK) $^ -o $@ $(BLKID_LIB)
+ mount_udev.o version.o $(LIB)/env.o loumount.o
+ $(LINK) $^ -o $@ $(BLKID_LIB) $(VOLID_LIB)
guessfstype: guessfstype.o mount_guess_fstype.o sundries.o realpath.o \
fstab.o mntent.o get_label_uuid.o mount_blkid.o mount_by_label.o \
- xmalloc.o
- $(LINK) $^ -o $@
+ mount_udev.o xmalloc.o
+ $(LINK) $^ -o $@ $(VOLID_LIB)
swapon: swapon.o version.o xmalloc.o \
- get_label_uuid.o mount_by_label.o mount_blkid.o loop.o sha512.o $(LIB)/xstrncpy.o
- $(LINK) $^ -o $@ $(BLKID_LIB)
+ get_label_uuid.o mount_by_label.o mount_blkid.o mount_udev.o \
+ loop.o sha512.o $(LIB)/xstrncpy.o
+ $(LINK) $^ -o $@ $(BLKID_LIB) $(VOLID_LIB)
main_losetup.o: lomount.c
$(COMPILE) -DMAIN lomount.c -o $@
@@ -142,7 +149,7 @@
clean:
rm -f a.out core *~ *.o swapargs.h $(PROGS) $(MAYBE)
- rm -f nfs_mountversion.h
+ rm -f nfs_mountversion.h nfsmount_clnt.c nfsmount.h nfsmount_xdr.c
clobber distclean realclean: clean
rm -f $(GEN_FILES)
--- mount/fstab.c
+++ mount/fstab.c
@@ -305,6 +305,7 @@
/* Find the entry (SPEC,FILE) in fstab */
struct mntentchn *
getfsspecfile (const char *spec, const char *file) {
+ char *nspec;
struct mntentchn *mc, *mc0;
mc0 = fstab_head();
@@ -316,11 +317,12 @@
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 */
@@ -357,11 +359,21 @@
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;
}
--- mount/mount.c
+++ mount/mount.c
@@ -1667,7 +1667,7 @@
use only for testing purposes -
the guessing is not reliable at all */
{
- char *fstype;
+ const char *fstype;
fstype = do_guess_fstype(optarg);
printf("%s\n", fstype ? fstype : "unknown");
exit(fstype ? 0 : EX_FAIL);
@@ -1738,6 +1738,8 @@
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);
--- mount/mount_blkid.c
+++ mount/mount_blkid.c
@@ -1,6 +1,7 @@
#include <stdio.h>
#include "mount_blkid.h"
+#ifndef HAVE_VOLID
#ifdef HAVE_BLKID
blkid_cache blkid;
@@ -119,3 +120,4 @@
#endif
+#endif
--- mount/mount_blkid.h
+++ mount/mount_blkid.h
@@ -11,3 +11,5 @@
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);
--- mount/mount_by_label.c
+++ mount/mount_by_label.c
@@ -1,4 +1,4 @@
-#ifndef HAVE_BLKID
+#if (!defined HAVE_BLKID) && (!defined HAVE_VOLID)
/*
* mount_by_label.c - aeb
*
--- mount/mount_guess_fstype.c
+++ mount/mount_guess_fstype.c
@@ -54,9 +54,23 @@
#define ETC_FILESYSTEMS "/etc/filesystems"
#define PROC_FILESYSTEMS "/proc/filesystems"
+#ifdef HAVE_VOLID
+
+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_BLKID
-char *
+const char *
do_guess_fstype(const char *device)
{
return blkid_get_tag_value(blkid, "TYPE", device);
@@ -208,7 +222,7 @@
return (sum == p[511]);
}
-char *
+const char *
do_guess_fstype(const char *device) {
int fd;
char *type = NULL;
@@ -536,7 +550,7 @@
}
#endif
-
+#endif
static struct tried {
struct tried *next;
char *type;
@@ -578,9 +592,9 @@
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);
--- /dev/null 2006-06-02 17:12:45.000000000 +0200
+++ mount/mount_udev.c 2006-06-12 11:14:42.285154088 +0200
@@ -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_VOLID
+
+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
--- mount/mount_guess_fstype.h
+++ 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);
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