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-rw-r--r--libarchive/test/test_write_disk_secure.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/libarchive/test/test_write_disk_secure.c b/libarchive/test/test_write_disk_secure.c
index 7cd66c41ac4e..44b9ea0d5b21 100644
--- a/libarchive/test/test_write_disk_secure.c
+++ b/libarchive/test/test_write_disk_secure.c
@@ -40,6 +40,10 @@ DEFINE_TEST(test_write_disk_secure)
struct archive *a;
struct archive_entry *ae;
struct stat st;
+#if defined(HAVE_LCHMOD) && defined(HAVE_SYMLINK) && \
+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
+ int working_lchmod;
+#endif
/* Start with a known umask. */
assertUmask(UMASK);
@@ -251,10 +255,32 @@ DEFINE_TEST(test_write_disk_secure)
assert(0 == lstat("link_to_dir", &st));
failure("link_to_dir: st.st_mode=%o", st.st_mode);
assert(S_ISLNK(st.st_mode));
-#if HAVE_LCHMOD
- /* Systems that lack lchmod() can't set symlink perms, so skip this. */
- failure("link_to_dir: st.st_mode=%o", st.st_mode);
- assert((st.st_mode & 07777) == 0755);
+#if defined(HAVE_SYMLINK) && defined(HAVE_LCHMOD) && \
+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
+ /* Verify if we are able to lchmod() */
+ if (symlink("dir", "testlink_to_dir") == 0) {
+ if (lchmod("testlink_to_dir",
+ S_IRUSR | S_IWUSR | S_IXUSR) != 0) {
+ switch (errno) {
+ case ENOTSUP:
+ case ENOSYS:
+#if ENOTSUP != EOPNOTSUPP
+ case EOPNOTSUPP:
+#endif
+ working_lchmod = 0;
+ break;
+ default:
+ working_lchmod = 1;
+ }
+ } else
+ working_lchmod = 1;
+ } else
+ working_lchmod = 0;
+
+ if (working_lchmod) {
+ failure("link_to_dir: st.st_mode=%o", st.st_mode);
+ assert((st.st_mode & 07777) == 0755);
+ }
#endif
assert(0 == lstat("dir/filea", &st));