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authorDenys Vlasenko <vda.linux@googlemail.com>2010-01-03 22:41:11 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2010-01-03 22:41:11 (GMT)
commitd6459685c1a93785d0bdf94e16834a6d4c54842f (patch)
tree94b43b0f6db1f4e89081c811627e114882fbc542
parent2d3253d1f93fbffb62c7521d41eed0102747d949 (diff)
downloadbusybox-d6459685c1a93785d0bdf94e16834a6d4c54842f.tar.gz
busybox-d6459685c1a93785d0bdf94e16834a6d4c54842f.tar.bz2
tar: fix problem handling tarballs with chksums prepended by spaces
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--archival/libunarchive/get_header_tar.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index b8d7648..1f79927 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -274,7 +274,8 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle)
bb_error_msg_and_die("invalid tar header checksum");
}
}
- sum = xstrtoul(tar.chksum, 8);
+ /* don't use xstrtoul, tar.chksum may have leading spaces */
+ sum = strtoul(tar.chksum, NULL, 8);
if (sum_u != sum IF_FEATURE_TAR_OLDSUN_COMPATIBILITY(&& sum_s != sum)) {
bb_error_msg_and_die("invalid tar header checksum");
}