From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Now that we have name check functions in libxfs, use them instead of our custom versions. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- libxfs/libxfs_api_defs.h | 2 ++ repair/attr_repair.c | 32 +++++++++++++------------------- repair/da_util.c | 26 -------------------------- repair/da_util.h | 6 ------ repair/dir2.c | 12 ++---------- 5 files changed, 17 insertions(+), 61 deletions(-) diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h index 2d5ff88f..c8082a60 100644 --- a/libxfs/libxfs_api_defs.h +++ b/libxfs/libxfs_api_defs.h @@ -149,6 +149,8 @@ #define xfs_default_ifork_ops libxfs_default_ifork_ops #define xfs_fs_geometry libxfs_fs_geometry #define xfs_init_local_fork libxfs_init_local_fork +#define xfs_dir2_namecheck libxfs_dir2_namecheck +#define xfs_attr_namecheck libxfs_attr_namecheck #define LIBXFS_ATTR_ROOT ATTR_ROOT #define LIBXFS_ATTR_SECURE ATTR_SECURE diff --git a/repair/attr_repair.c b/repair/attr_repair.c index 5ad81c09..9a44f610 100644 --- a/repair/attr_repair.c +++ b/repair/attr_repair.c @@ -122,14 +122,6 @@ set_da_freemap(xfs_mount_t *mp, da_freemap_t *map, int start, int stop) * fork being emptied and put in shortform format. */ -static int -attr_namecheck( - uint8_t *name, - int length) -{ - return namecheck((char *)name, length, false); -} - /* * This routine just checks what security needs are for attribute values * only called when root flag is set, otherwise these names could exist in @@ -301,8 +293,8 @@ process_shortform_attr( } /* namecheck checks for null chars in attr names. */ - if (attr_namecheck(currententry->nameval, - currententry->namelen)) { + if (!libxfs_attr_namecheck(currententry->nameval, + currententry->namelen)) { do_warn( _("entry contains illegal character in shortform attribute name\n")); junkit = 1; @@ -464,8 +456,9 @@ process_leaf_attr_local( xfs_attr_leaf_name_local_t *local; local = xfs_attr3_leaf_name_local(leaf, i); - if (local->namelen == 0 || attr_namecheck(local->nameval, - local->namelen)) { + if (local->namelen == 0 || + !libxfs_attr_namecheck(local->nameval, + 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); @@ -519,13 +512,14 @@ process_leaf_attr_remote( remotep = xfs_attr3_leaf_name_remote(leaf, i); - if (remotep->namelen == 0 || attr_namecheck(remotep->name, - 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) { + if (remotep->namelen == 0 || + !libxfs_attr_namecheck(remotep->name, + 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; diff --git a/repair/da_util.c b/repair/da_util.c index 7ad8e492..8c818ea1 100644 --- a/repair/da_util.c +++ b/repair/da_util.c @@ -12,32 +12,6 @@ #include "bmap.h" #include "da_util.h" -/* - * takes a name and length (name need not be null-terminated) and whether - * we are checking a dir (vs an attr), and returns 1 if the direntry contains - * a '/', or anything contains a \0, returns 0 otherwise - */ -int -namecheck( - char *name, - int length, - bool isadir) -{ - char *c; - int i; - - ASSERT(length < MAXNAMELEN); - - for (c = name, i = 0; i < length; i++, c++) { - if (isadir && *c == '/') - return 1; - if (*c == '\0') - return 1; - } - - return 0; -} - /* * the cursor gets passed up and down the da btree processing * routines. The interior block processing routines use the diff --git a/repair/da_util.h b/repair/da_util.h index 041dff74..90fec00c 100644 --- a/repair/da_util.h +++ b/repair/da_util.h @@ -24,12 +24,6 @@ typedef struct da_bt_cursor { struct blkmap *blkmap; } da_bt_cursor_t; -int -namecheck( - char *name, - int length, - bool isadir); - struct xfs_buf * da_read_buf( xfs_mount_t *mp, diff --git a/repair/dir2.c b/repair/dir2.c index 094ecb3d..4ac0084e 100644 --- a/repair/dir2.c +++ b/repair/dir2.c @@ -44,14 +44,6 @@ _("malloc failed (%zu bytes) dir2_add_badlist:ino %" PRIu64 "\n"), l->ino = ino; } -static int -dir_namecheck( - uint8_t *name, - int length) -{ - return namecheck((char *)name, length, true); -} - int dir2_is_badino( xfs_ino_t ino) @@ -318,7 +310,7 @@ _("entry #%d %s in shortform dir %" PRIu64), * the length value is stored in a byte * so it can't be too big, it can only wrap */ - if (dir_namecheck(sfep->name, namelen)) { + if (!libxfs_dir2_namecheck(sfep->name, namelen)) { /* * junk entry */ @@ -789,7 +781,7 @@ _("\twould clear inode number in entry at offset %" PRIdPTR "...\n"), * during phase 4. */ junkit = dep->name[0] == '/'; - nm_illegal = dir_namecheck(dep->name, dep->namelen); + nm_illegal = !libxfs_dir2_namecheck(dep->name, dep->namelen); if (ino_discovery && nm_illegal) { do_warn( _("entry at block %u offset %" PRIdPTR " in directory inode %" PRIu64 " has illegal name \"%*.*s\": "),