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e2fsprogs/e2fsprogs-libvolume_id-support.patch

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Index: misc/Makefile.in
===================================================================
--- misc/Makefile.in.orig
+++ misc/Makefile.in
@@ -40,7 +40,7 @@ UUIDD_OBJS= uuidd.o
DUMPE2FS_OBJS= dumpe2fs.o
BADBLOCKS_OBJS= badblocks.o
E2IMAGE_OBJS= e2image.o
-FSCK_OBJS= fsck.o base_device.o ismounted.o
+FSCK_OBJS= fsck.o base_device.o ismounted.o fsck_udev.o
BLKID_OBJS= blkid.o
FILEFRAG_OBJS= filefrag.o
@@ -62,6 +62,9 @@ STATIC_DEPLIBS= $(STATIC_LIBEXT2FS) $(ST
LIBS_BLKID= $(LIBBLKID) $(LIBUUID)
DEPLIBS_BLKID= $(DEPLIBBLKID) $(DEPLIBUUID)
+LIBS_VOLID= -lvolume_id
+DEPLIBS_VOLID=
+
LIBS_E2P= $(LIBE2P) $(LIBCOM_ERR)
DEPLIBS_E2P= $(LIBE2P) $(LIBCOM_ERR)
@@ -117,10 +120,6 @@ base_device: base_device.c
@$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) $(srcdir)/base_device.c \
-DDEBUG -o base_device
-check:: base_device
- ./base_device < $(srcdir)/base_device.tst > base_device.out
- cmp $(srcdir)/base_device.tst base_device.out
-
mklost+found: $(MKLPF_OBJS)
@echo " LD $@"
@$(CC) $(ALL_LDFLAGS) -o mklost+found $(MKLPF_OBJS) $(LIBINTL)
@@ -157,9 +156,9 @@ dumpe2fs: $(DUMPE2FS_OBJS) $(DEPLIBS) $(
@$(CC) $(ALL_LDFLAGS) -o dumpe2fs $(DUMPE2FS_OBJS) $(LIBS) \
$(LIBS_E2P) $(LIBUUID) $(LIBINTL)
-fsck: $(FSCK_OBJS) $(DEBLIBS_BLKID)
+fsck: $(FSCK_OBJS) $(DEBLIBS_VOLID)
@echo " LD $@"
- @$(CC) $(ALL_LDFLAGS) -o fsck $(FSCK_OBJS) $(LIBS_BLKID) $(LIBINTL)
+ @$(CC) $(ALL_LDFLAGS) -o fsck $(FSCK_OBJS) $(LIBS_VOLID) $(LIBINTL)
badblocks: $(BADBLOCKS_OBJS) $(DEPLIBS)
@echo " LD $@"
Index: misc/base_device.c
===================================================================
--- misc/base_device.c.orig
+++ misc/base_device.c
@@ -27,6 +27,8 @@
#endif
#include <ctype.h>
#include <string.h>
+#include <sys/stat.h>
+#include <errno.h>
#include "fsck.h"
Index: misc/fsck.c
===================================================================
--- misc/fsck.c.orig
+++ misc/fsck.c
@@ -59,7 +59,6 @@
#include "../version.h"
#include "nls-enable.h"
#include "fsck.h"
-#include "blkid/blkid.h"
#ifndef _PATH_MNTTAB
#define _PATH_MNTTAB "/etc/fstab"
@@ -118,7 +117,6 @@ struct fs_info *filesys_info = NULL, *fi
struct fsck_instance *instance_list;
const char *fsck_prefix_path = "/sbin:/sbin/fs.d:/sbin/fs:/etc/fs:/etc";
char *fsck_path = 0;
-blkid_cache cache = NULL;
static char *string_copy(const char *s)
{
@@ -294,7 +292,7 @@ static int parse_fstab_line(char *line,
parse_escape(freq);
parse_escape(passno);
- dev = blkid_get_devname(cache, device, NULL);
+ dev = fsck_get_devname(device);
if (dev)
device = dev;
@@ -319,7 +317,7 @@ static void interpret_type(struct fs_inf
if (strcmp(fs->type, "auto") != 0)
return;
- t = blkid_get_tag_value(cache, "TYPE", fs->device);
+ t = fsck_get_fstype(fs->device);
if (t) {
free(fs->type);
fs->type = t;
@@ -1106,7 +1104,7 @@ static void PRS(int argc, char *argv[])
progname);
exit(EXIT_ERROR);
}
- dev = blkid_get_devname(cache, arg, NULL);
+ dev = fsck_get_devname(arg);
if (!dev && strchr(arg, '=')) {
/*
* Check to see if we failed because
@@ -1252,7 +1250,7 @@ int main(int argc, char *argv[])
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
#endif
- blkid_get_cache(&cache, NULL);
+ fsck_get_cache(NULL);
PRS(argc, argv);
if (!notitle)
@@ -1323,6 +1321,6 @@ int main(int argc, char *argv[])
}
status |= wait_many(FLAG_WAIT_ALL);
free(fsck_path);
- blkid_put_cache(cache);
+ fsck_put_cache();
return status;
}
Index: misc/fsck.h
===================================================================
--- misc/fsck.h.orig
+++ misc/fsck.h
@@ -68,3 +68,9 @@ struct fsck_instance {
extern dev_t base_devt(const char *device);
extern int match_device(const char *dev1, const char *dev2);
+
+extern int fsck_get_cache(const char *filename);
+extern void fsck_put_cache(void);
+extern char *fsck_get_devname(const char *device);
+extern char *fsck_get_fstype(const char *device);
+
Index: misc/fsck_blkid.c
===================================================================
--- /dev/null
+++ misc/fsck_blkid.c
@@ -0,0 +1,29 @@
+/*
+ * Wrapper for libblkid
+ */
+
+#include <stdio.h>
+#include "blkid/blkid.h"
+
+static blkid_cache cache = NULL;
+
+int fsck_get_cache(const char *filename)
+{
+ return blkid_get_cache(&cache, name);
+}
+
+void fsck_put_cache(void)
+{
+ blkid_put_cache(cache);
+}
+
+char *fsck_get_devname(const char *device)
+{
+ return blkid_get_devname(cache, device, NULL);
+}
+
+char *fsck_get_fstype(const char *device)
+{
+ return blkid_get_tag_value(cache, "TYPE", device);
+}
+
Index: misc/fsck_udev.c
===================================================================
--- /dev/null
+++ misc/fsck_udev.c
@@ -0,0 +1,188 @@
+/*
+ * Wrapper for libvolume_id
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/ioctl.h>
+#include <stddef.h>
+#include <libvolume_id.h>
+
+#include "fsck.h"
+
+int fsck_get_cache(const char *filename)
+{
+ return 0;
+}
+
+void fsck_put_cache(void)
+{
+}
+
+char *fsck_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;
+}
+
+char *fsck_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;
+}
+
+char *fsck_get_devname(const char *spec)
+{
+ char *token, *cp, *value;
+ 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 = fsck_get_devname_by_label(value);
+ } else if (!strcmp(token,"UUID")) {
+ nspec = fsck_get_devname_by_uuid(value);
+ }
+
+ free(token);
+
+ errout:
+ return nspec;
+}
+
+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 },
+};
+
+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 = malloc(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))) {
+ strcpy(value,var);
+ 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 {
+ free(value);
+ volume_id_close(vid);
+ return NULL;
+ }
+
+ volume_id_close(vid);
+
+ out:
+ return value;
+}
+
+char *fsck_get_fstype(const char *device)
+{
+ return volume_id_get_tag(device, "TYPE");
+}
+
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