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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
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@ -114,22 +114,24 @@ void FAST_FUNC data_extract_all(archive_handle_t *archive_handle)
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}
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if (!(archive_handle->ah_flags & ARCHIVE_NOPRESERVE_OWN)) {
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#if ENABLE_FEATURE_TAR_UNAME_GNAME
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uid_t uid = file_header->uid;
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gid_t gid = file_header->gid;
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if (ENABLE_FEATURE_TAR_UNAME_GNAME
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&& !(archive_handle->ah_flags & ARCHIVE_NUMERIC_OWNER)
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) {
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uid_t uid = file_header->uid;
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gid_t gid = file_header->gid;
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if (file_header->uname) {
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struct passwd *pwd = getpwnam(file_header->uname);
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if (pwd) uid = pwd->pw_uid;
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if (file_header->uname) {
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struct passwd *pwd = getpwnam(file_header->uname);
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if (pwd) uid = pwd->pw_uid;
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}
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if (file_header->gname) {
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struct group *grp = getgrnam(file_header->gname);
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if (grp) gid = grp->gr_gid;
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}
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lchown(file_header->name, uid, gid);
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} else {
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lchown(file_header->name, file_header->uid, file_header->gid);
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}
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if (file_header->gname) {
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struct group *grp = getgrnam(file_header->gname);
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if (grp) gid = grp->gr_gid;
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}
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lchown(file_header->name, uid, gid);
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#else
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lchown(file_header->name, file_header->uid, file_header->gid);
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#endif
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}
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if ((file_header->mode & S_IFMT) != S_IFLNK) {
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/* uclibc has no lchmod, glibc is even stranger -
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@ -738,6 +738,7 @@ enum {
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USE_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,)
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OPTBIT_NOPRESERVE_OWN,
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OPTBIT_NOPRESERVE_PERM,
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OPTBIT_NUMERIC_OWNER,
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OPT_TEST = 1 << 0, // t
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OPT_EXTRACT = 1 << 1, // x
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OPT_BASEDIR = 1 << 2, // C
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@ -756,6 +757,7 @@ enum {
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OPT_COMPRESS = USE_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z
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OPT_NOPRESERVE_OWN = 1 << OPTBIT_NOPRESERVE_OWN , // no-same-owner
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OPT_NOPRESERVE_PERM = 1 << OPTBIT_NOPRESERVE_PERM, // no-same-permissions
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OPT_NUMERIC_OWNER = 1 << OPTBIT_NUMERIC_OWNER,
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};
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#if ENABLE_FEATURE_TAR_LONG_OPTIONS
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static const char tar_longopts[] ALIGN1 =
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@ -787,6 +789,7 @@ static const char tar_longopts[] ALIGN1 =
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# if ENABLE_FEATURE_SEAMLESS_Z
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"compress\0" No_argument "Z"
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# endif
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"numeric-owner\0" No_argument "\xfc"
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"no-same-owner\0" No_argument "\xfd"
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"no-same-permissions\0" No_argument "\xfe"
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/* --exclude takes next bit position in option mask, */
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@ -873,6 +876,9 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
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if (opt & OPT_NOPRESERVE_PERM)
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tar_handle->ah_flags |= ARCHIVE_NOPRESERVE_PERM;
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if (opt & OPT_NUMERIC_OWNER)
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tar_handle->ah_flags |= ARCHIVE_NUMERIC_OWNER;
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if (opt & OPT_GZIP)
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get_header_ptr = get_header_tar_gz;
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@ -11,6 +11,7 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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#define ARCHIVE_EXTRACT_NEWER 16
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#define ARCHIVE_NOPRESERVE_OWN 32
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#define ARCHIVE_NOPRESERVE_PERM 64
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#define ARCHIVE_NUMERIC_OWNER 128
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typedef struct file_header_t {
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char *name;
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