/* ARGSUSED */
static int
hash_f(
int argc,
char **argv)
{
xfs_dahash_t hashval;
hashval = libxfs_da_hashname(argv[1], (int)strlen(argv[1]));
dbprintf("0x%x\n", hashval);
return 0;
}
static int
process_leaf_attr_local(
struct xfs_mount *mp,
xfs_attr_leafblock_t *leaf,
int i,
xfs_attr_leaf_entry_t *entry,
xfs_dahash_t last_hashval,
xfs_dablk_t da_bno,
xfs_ino_t ino)
{
xfs_attr_leaf_name_local_t *local;
local = xfs_attr3_leaf_name_local(leaf, i);
if (local->namelen == 0 || namecheck((char *)&local->nameval[0],
local->namelen)) {
do_warn(
_("attribute entry %d in attr block %u, inode %" PRIu64 " has bad name (namelen = %d)\n"),
i, da_bno, ino, local->namelen);
return -1;
}
/* Check on the hash value. Checking order of values
* is not necessary, since one wrong clears the whole
* fork. If the ordering's wrong, it's caught here or
* the kernel code has a bug with transaction logging
* or attributes itself. Being paranoid, let's check
* ordering anyway in case both the name value and the
* hashvalue were wrong but matched. Unlikely, however.
*/
if (be32_to_cpu(entry->hashval) != libxfs_da_hashname(
&local->nameval[0], local->namelen) ||
be32_to_cpu(entry->hashval) < last_hashval) {
do_warn(
_("bad hashvalue for attribute entry %d in attr block %u, inode %" PRIu64 "\n"),
i, da_bno, ino);
return -1;
}
/* Only check values for root security attributes */
if (entry->flags & XFS_ATTR_ROOT) {
if (valuecheck(mp, (char *)&local->nameval[0], NULL,
local->namelen, be16_to_cpu(local->valuelen))) {
do_warn(
_("bad security value for attribute entry %d in attr block %u, inode %" PRIu64 "\n"),
i, da_bno, ino);
return -1;
}
}
return xfs_attr_leaf_entsize_local(local->namelen,
be16_to_cpu(local->valuelen));
}
static int
process_leaf_attr_remote(
xfs_attr_leafblock_t *leaf,
int i,
xfs_attr_leaf_entry_t *entry,
xfs_dahash_t last_hashval,
xfs_dablk_t da_bno,
xfs_ino_t ino,
xfs_mount_t *mp,
blkmap_t *blkmap)
{
xfs_attr_leaf_name_remote_t *remotep;
char* value;
remotep = xfs_attr3_leaf_name_remote(leaf, i);
if (remotep->namelen == 0 || namecheck((char *)&remotep->name[0],
remotep->namelen) ||
be32_to_cpu(entry->hashval) !=
libxfs_da_hashname((unsigned char *)&remotep->name[0],
remotep->namelen) ||
be32_to_cpu(entry->hashval) < last_hashval ||
be32_to_cpu(remotep->valueblk) == 0) {
do_warn(
_("inconsistent remote attribute entry %d in attr block %u, ino %" PRIu64 "\n"), i, da_bno, ino);
return -1;
}
if (!(entry->flags & XFS_ATTR_ROOT))
goto out;
value = malloc(be32_to_cpu(remotep->valuelen));
if (value == NULL) {
do_warn(
_("cannot malloc enough for remotevalue attribute for inode %" PRIu64 "\n"),
ino);
do_warn(_("SKIPPING this remote attribute\n"));
goto out;
}
if (rmtval_get(mp, ino, blkmap, be32_to_cpu(remotep->valueblk),
be32_to_cpu(remotep->valuelen), value)) {
do_warn(
_("remote attribute get failed for entry %d, inode %" PRIu64 "\n"),
i, ino);
goto bad_free_out;
}
if (valuecheck(mp, (char *)&remotep->name[0], value, remotep->namelen,
be32_to_cpu(remotep->valuelen))) {
do_warn(
_("remote attribute value check failed for entry %d, inode %" PRIu64 "\n"),
i, ino);
goto bad_free_out;
}
free(value);
out:
return xfs_attr_leaf_entsize_remote(remotep->namelen);
bad_free_out:
free(value);
return -1;
}
