tar: fix handling of tarballs with symlinks with size field != 0

1 files changed, 27 insertions, 0 deletions

diff --git a/testsuite/tar/tar_with_link_with_size b/testsuite/tar/tar_with_link_with_size
new file mode 100644
index 0000000..40454f2
--- /dev/null
+++ b/testsuite/tar/tar_with_link_with_size
@@ -0,0 +1,27 @@
+# This tarball contains a softlink with size field != 0.
+# If not ignored, it makes hext header to be skipped
+# and data to be read as a header.
+# GNU tar 1.15.1 has a bug here: tf won't work, but xf will.
+tar1_bz2()
+{
+    $ECHO -ne "\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\x14\x44\xe3\xdd\x00\x00"
+    $ECHO -ne "\x9a\xfb\x90\xca\x18\x00\xc0\x40\x03\xff\x80\x08\x00\x7b\xe3\xff"
+    $ECHO -ne "\x80\x04\x00\x00\x08\x30\x00\xd6\xb3\x09\x45\x19\x0d\x0d\x41\x84"
+    $ECHO -ne "\x1a\x68\xd0\x7a\x99\x90\x4a\x0a\x6d\x4c\xa3\x20\x7a\x41\xa0\x00"
+    $ECHO -ne "\x00\x55\x25\x34\x1a\x34\xd0\x00\x64\x64\x1a\x32\x3f\x76\x3c\x1c"
+    $ECHO -ne "\xd3\x3c\xa0\x84\x9b\x88\x05\x70\x90\xbb\x18\x28\x39\x29\xb3\x30"
+    $ECHO -ne "\xa8\x0a\x21\x70\x0c\x01\x32\x3b\xbe\xde\xd7\x13\x2e\xbd\x2a\x9c"
+    $ECHO -ne "\xa8\x42\x2a\x91\x15\xe2\xa1\xcd\x24\x37\x9c\x91\xaa\xc7\x14\xdb"
+    $ECHO -ne "\x4c\x08\xaa\xaf\x12\xeb\x6c\x37\x96\xb0\xa4\x25\x0c\xb4\x4b\xc5"
+    $ECHO -ne "\x52\x70\x3b\x25\x4c\x0e\x46\x67\x51\x54\x89\x13\x13\xf0\xa8\xe9"
+    $ECHO -ne "\x68\x4e\x8c\x81\xfc\x79\xe0\xb0\xd8\x79\x34\x94\x71\xa2\x0c\xbe"
+    $ECHO -ne "\x93\x61\x82\x95\x10\x88\xd1\xa6\x69\xaa\x38\x9c\xb6\xc2\xb2\x94"
+    $ECHO -ne "\x90\xc3\x82\x29\xe8\x8c\xb8\x95\x83\x32\x40\x61\x11\x11\xd3\xaa"
+    $ECHO -ne "\x3f\x8b\xb9\x22\x9c\x28\x48\x0a\x22\x71\xee\x80"
+}
+res1="\
+lrwxrwxrwx user/group         0 2008-07-19 15:02:37 firmware-372/sources/native/bin/chroot-setup.sh -> qemu-setup.sh
+-rwxr-xr-x user/group       512 2008-07-19 15:02:37 firmware-372/sources/native/bin/qemu-setup.sh"
+
+t=`tar1_bz2 | bunzip2 | busybox tar tvf -`
+test x"$res1" = x"$t"