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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2009-04-21 00:52:21 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2009-04-21 00:52:21 +0000 |
| commit | 8b814b4a349e2262c0ad25793b05206a14651ebb (patch) | |
| tree | d58a9a4b05e6c662d1ccdcca8da82173d52c1e4b /archival | |
| parent | 76478b8091d4c3472fb0c7e572c350d150ecd459 (diff) | |
| download | busybox-8b814b4a349e2262c0ad25793b05206a14651ebb.tar.gz | |
tar: support for tar --numeric-owner. By Natanael Copa.
function old new delta
tar_longopts 221 237 +16
data_extract_all 692 705 +13
tar_main 690 702 +12
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/libunarchive/data_extract_all.c | 30 | ||||
| -rw-r--r-- | archival/tar.c | 6 |
2 files changed, 22 insertions, 14 deletions
diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c index 8b1ee2a6e..a2dfcb9e1 100644 --- a/archival/libunarchive/data_extract_all.c +++ b/archival/libunarchive/data_extract_all.c @@ -114,22 +114,24 @@ void FAST_FUNC data_extract_all(archive_handle_t *archive_handle) } if (!(archive_handle->ah_flags & ARCHIVE_NOPRESERVE_OWN)) { -#if ENABLE_FEATURE_TAR_UNAME_GNAME - uid_t uid = file_header->uid; - gid_t gid = file_header->gid; + if (ENABLE_FEATURE_TAR_UNAME_GNAME + && !(archive_handle->ah_flags & ARCHIVE_NUMERIC_OWNER) + ) { + uid_t uid = file_header->uid; + gid_t gid = file_header->gid; - if (file_header->uname) { - struct passwd *pwd = getpwnam(file_header->uname); - if (pwd) uid = pwd->pw_uid; - } - if (file_header->gname) { - struct group *grp = getgrnam(file_header->gname); - if (grp) gid = grp->gr_gid; + if (file_header->uname) { + struct passwd *pwd = getpwnam(file_header->uname); + if (pwd) uid = pwd->pw_uid; + } + if (file_header->gname) { + struct group *grp = getgrnam(file_header->gname); + if (grp) gid = grp->gr_gid; + } + lchown(file_header->name, uid, gid); + } else { + lchown(file_header->name, file_header->uid, file_header->gid); } - lchown(file_header->name, uid, gid); -#else - lchown(file_header->name, file_header->uid, file_header->gid); -#endif } if ((file_header->mode & S_IFMT) != S_IFLNK) { /* uclibc has no lchmod, glibc is even stranger - diff --git a/archival/tar.c b/archival/tar.c index eeaf3586b..03d66a692 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -738,6 +738,7 @@ enum { USE_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) OPTBIT_NOPRESERVE_OWN, OPTBIT_NOPRESERVE_PERM, + OPTBIT_NUMERIC_OWNER, OPT_TEST = 1 << 0, // t OPT_EXTRACT = 1 << 1, // x OPT_BASEDIR = 1 << 2, // C @@ -756,6 +757,7 @@ enum { OPT_COMPRESS = USE_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z OPT_NOPRESERVE_OWN = 1 << OPTBIT_NOPRESERVE_OWN , // no-same-owner OPT_NOPRESERVE_PERM = 1 << OPTBIT_NOPRESERVE_PERM, // no-same-permissions + OPT_NUMERIC_OWNER = 1 << OPTBIT_NUMERIC_OWNER, }; #if ENABLE_FEATURE_TAR_LONG_OPTIONS static const char tar_longopts[] ALIGN1 = @@ -787,6 +789,7 @@ static const char tar_longopts[] ALIGN1 = # if ENABLE_FEATURE_SEAMLESS_Z "compress\0" No_argument "Z" # endif + "numeric-owner\0" No_argument "\xfc" "no-same-owner\0" No_argument "\xfd" "no-same-permissions\0" No_argument "\xfe" /* --exclude takes next bit position in option mask, */ @@ -873,6 +876,9 @@ int tar_main(int argc UNUSED_PARAM, char **argv) if (opt & OPT_NOPRESERVE_PERM) tar_handle->ah_flags |= ARCHIVE_NOPRESERVE_PERM; + if (opt & OPT_NUMERIC_OWNER) + tar_handle->ah_flags |= ARCHIVE_NUMERIC_OWNER; + if (opt & OPT_GZIP) get_header_ptr = get_header_tar_gz; |