---
v5: Adjust the help information.
v4: https://lore.kernel.org/all/20240905113723.1937634-1-
[email protected]/
v3: https://lore.kernel.org/all/20240903113729.3539578-1-
[email protected]/
v2: https://lore.kernel.org/all/20240903085643.3393012-1-
[email protected]/
v1: https://lore.kernel.org/all/20240903073517.3311407-1-
[email protected]/
---
fsck/main.c | 82
++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 78 insertions(+), 4 deletions(-)
diff --git a/fsck/main.c b/fsck/main.c
index 28f1e7e..d110cdb 100644
--- a/fsck/main.c
+++ b/fsck/main.c
@@ -9,6 +9,7 @@
#include <utime.h>
#include <unistd.h>
#include <sys/stat.h>
+#include <sys/xattr.h>
#include "erofs/print.h"
#include "erofs/compress.h"
#include "erofs/decompress.h"
@@ -31,6 +32,7 @@ struct erofsfsck_cfg {
bool overwrite;
bool preserve_owner;
bool preserve_perms;
+ bool dump_xattrs;
};
static struct erofsfsck_cfg fsckcfg;
@@ -48,6 +50,8 @@ static struct option long_options[] = {
{"no-preserve-owner", no_argument, 0, 10},
{"no-preserve-perms", no_argument, 0, 11},
{"offset", required_argument, 0, 12},
+ {"xattrs", no_argument, 0, 13},
+ {"no-xattrs", no_argument, 0, 14},
{0, 0, 0, 0},
};
@@ -98,6 +102,7 @@ static void usage(int argc, char **argv)
" --extract[=X] check if all files are well
encoded, optionally\n"
" extract to X\n"
" --offset=# skip # bytes at the beginning
of IMAGE\n"
+ " --[no-]xattrs whether to dump extended
attributes (default on)\n"
"\n"
" -a, -A, -y no-op, for compatibility with
fsck of other filesystems\n"
"\n"
@@ -225,6 +230,12 @@ static int erofsfsck_parse_options_cfg(int argc,
char **argv)
return -EINVAL;
}
break;
+ case 13:
+ fsckcfg.dump_xattrs = true;
+ break;
+ case 14:
+ fsckcfg.dump_xattrs = false;
+ break;
default:
return -EINVAL;
}
@@ -411,6 +422,60 @@ out:
return ret;
}
+static int erofsfsck_dump_xattrs(struct erofs_inode *inode)
+{
+ char *keylst, *key;
+ ssize_t kllen;
+ int ret;
+
+ kllen = erofs_listxattr(inode, NULL, 0);
+ if (kllen <= 0)
+ return kllen;
+ keylst = malloc(kllen);
+ if (!keylst)
+ return -ENOMEM;
+ ret = erofs_listxattr(inode, keylst, kllen);
+ if (ret < 0)
+ goto out;
+ for (key = keylst; key < keylst + kllen; key += strlen(key) +
1) {
+ void *value = NULL;
+ size_t size = 0;
+
+ ret = erofs_getxattr(inode, key, NULL, 0);
+ if (ret < 0)
+ break;
+ if (ret) {
+ size = ret;
+ value = malloc(size);
+ if (!value) {
+ ret = -ENOMEM;
+ break;
+ }
+ ret = erofs_getxattr(inode, key, value, size);
+ if (ret < 0) {
+ erofs_err("fail to get xattr %s @ nid
%llu",
+ key, inode->nid | 0ULL);
+ free(value);
+ break;
+ }
+ if (fsckcfg.extract_path)
+ ret = setxattr(fsckcfg.extract_path,
key, value,
+ size, 0);
