e2fsprogs/e2fsprogs-libvolume_id-support.patch

277 lines
6.2 KiB
Diff

diff --git a/misc/Makefile.in b/misc/Makefile.in
index be362e9..80af1b3 100644
--- a/misc/Makefile.in
+++ b/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_volume_id.o
BLKID_OBJS= blkid.o
FILEFRAG_OBJS= filefrag.o
@@ -62,6 +62,9 @@ STATIC_DEPLIBS= $(STATIC_LIBEXT2FS) $(STATIC_LIBCOM_ERR)
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) $(DEPLIBS_E2P) $(DEPLIBUUID)
@$(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 $@"
diff --git a/misc/base_device.c b/misc/base_device.c
index 6237d0e..c3261fc 100644
--- a/misc/base_device.c
+++ b/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"
diff --git a/misc/fsck.c b/misc/fsck.c
index 5cf1a1c..ad1d7a9 100644
--- a/misc/fsck.c
+++ b/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, *filesys_last = NULL;
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)
{
@@ -296,7 +294,7 @@ static int parse_fstab_line(char *line, struct fs_info **ret_fs)
parse_escape(freq);
parse_escape(passno);
- dev = blkid_get_devname(cache, device, NULL);
+ dev = fsck_get_devname(device);
if (dev)
device = dev;
@@ -321,7 +319,7 @@ static void interpret_type(struct fs_info *fs)
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;
@@ -1104,7 +1102,7 @@ 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
@@ -1250,7 +1248,7 @@ 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)
@@ -1319,6 +1317,6 @@ int main(int argc, char *argv[])
}
status |= wait_many(FLAG_WAIT_ALL);
free(fsck_path);
- blkid_put_cache(cache);
+ fsck_put_cache();
return status;
}
diff --git a/misc/fsck.h b/misc/fsck.h
index 55cb525..242b21e 100644
--- a/misc/fsck.h
+++ b/misc/fsck.h
@@ -66,5 +66,10 @@ struct fsck_instance {
struct fsck_instance *next;
};
+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);
+
extern char *base_device(const char *device);
extern const char *identify_fs(const char *fs_name, const char *fs_types);
diff --git a/misc/fsck_volume_id.c b/misc/fsck_volume_id.c
new file mode 100644
index 0000000..9456394
--- /dev/null
+++ b/misc/fsck_volume_id.c
@@ -0,0 +1,132 @@
+/*
+ * Wrapper for libvolume_id
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.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)
+{
+}
+
+static 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;
+}
+
+static 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;
+}
+
+char *fsck_get_fstype(const char *device)
+{
+ int fd = -1;
+ struct volume_id *vid = NULL;
+ uint64_t size;
+ const char *s;
+ char *value = NULL;
+
+ if (!device)
+ return NULL;
+
+ fd = open(device, O_RDONLY);
+ if (fd < 0)
+ return NULL;
+
+ vid = volume_id_open_fd(fd);
+ if (!vid)
+ goto out;
+
+ if (ioctl(fd, BLKGETSIZE64, &size) != 0)
+ size = 0;
+
+ if (volume_id_probe_all(vid, 0, size) != 0)
+ goto out;
+
+ if (!volume_id_get_type(vid, &s))
+ goto out;
+
+ value = strdup(s);
+out:
+ if (vid != NULL)
+ volume_id_close(vid);
+ if (fd >= 0)
+ close(fd);
+
+ return value;
+}