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author | Aaro Koskinen | 2015-10-16 17:24:46 +0200 |
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committer | Denys Vlasenko | 2015-10-16 17:24:46 +0200 |
commit | 2735bc00e35c5fd8eec6d656f4d8a17ee2630c2a (patch) | |
tree | a04c7e75f1363e431431c24dc36549a5ff7e9595 /archival/libarchive/get_header_cpio.c | |
parent | 93dd9fd90ae284e7878767fe14bcb17e3edd9cf8 (diff) | |
download | busybox-2735bc00e35c5fd8eec6d656f4d8a17ee2630c2a.zip busybox-2735bc00e35c5fd8eec6d656f4d8a17ee2630c2a.tar.gz |
cpio: implement -R/--owner
Implement -R/--owner to force ownership of files.
function old new delta
cpio_main 532 586 +54
get_header_cpio 909 939 +30
print 36 65 +29
cpio_o 804 832 +28
cpio_TRAILER - 11 +11
packed_usage 30667 30662 -5
static.trailer 11 - -11
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 4/1 up/down: 152/-16) Total: 136 bytes
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/libarchive/get_header_cpio.c')
-rw-r--r-- | archival/libarchive/get_header_cpio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/archival/libarchive/get_header_cpio.c b/archival/libarchive/get_header_cpio.c index 7861d1f..badd4a8 100644 --- a/archival/libarchive/get_header_cpio.c +++ b/archival/libarchive/get_header_cpio.c @@ -52,6 +52,11 @@ char FAST_FUNC get_header_cpio(archive_handle_t *archive_handle) &major, &minor, &namesize) != 10) bb_error_msg_and_die("damaged cpio file"); file_header->mode = mode; + /* "cpio -R USER:GRP" support: */ + if (archive_handle->cpio__owner.uid != (uid_t)-1L) + uid = archive_handle->cpio__owner.uid; + if (archive_handle->cpio__owner.gid != (gid_t)-1L) + gid = archive_handle->cpio__owner.gid; file_header->uid = uid; file_header->gid = gid; file_header->mtime = mtime; @@ -75,7 +80,7 @@ char FAST_FUNC get_header_cpio(archive_handle_t *archive_handle) /* Update offset amount and skip padding before file contents */ data_align(archive_handle, 4); - if (strcmp(file_header->name, "TRAILER!!!") == 0) { + if (strcmp(file_header->name, cpio_TRAILER) == 0) { /* Always round up. ">> 9" divides by 512 */ archive_handle->cpio__blocks = (uoff_t)(archive_handle->offset + 511) >> 9; goto create_hardlinks; |