65 lines
2.0 KiB
Diff
65 lines
2.0 KiB
Diff
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From 291d0c218e256750228b731a693e6b96e7ed5449 Mon Sep 17 00:00:00 2001
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From: Martin Matuska <martin@matuska.org>
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Date: Fri, 22 May 2020 13:03:55 +0200
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Subject: [PATCH] test_write_disk_secure: properly check if lchmod() is
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---
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libarchive/test/test_write_disk_secure.c | 34 +++++++++++++++++++++---
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1 file changed, 30 insertions(+), 4 deletions(-)
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diff --git a/libarchive/test/test_write_disk_secure.c b/libarchive/test/test_write_disk_secure.c
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index 7cd66c4..44b9ea0 100644
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--- a/libarchive/test/test_write_disk_secure.c
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+++ b/libarchive/test/test_write_disk_secure.c
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@@ -40,6 +40,10 @@ DEFINE_TEST(test_write_disk_secure)
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struct archive *a;
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struct archive_entry *ae;
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struct stat st;
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+#if defined(HAVE_LCHMOD) && defined(HAVE_SYMLINK) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ int working_lchmod;
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+#endif
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/* Start with a known umask. */
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assertUmask(UMASK);
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@@ -251,10 +255,32 @@ DEFINE_TEST(test_write_disk_secure)
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assert(0 == lstat("link_to_dir", &st));
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failure("link_to_dir: st.st_mode=%o", st.st_mode);
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assert(S_ISLNK(st.st_mode));
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-#if HAVE_LCHMOD
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- /* Systems that lack lchmod() can't set symlink perms, so skip this. */
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- failure("link_to_dir: st.st_mode=%o", st.st_mode);
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- assert((st.st_mode & 07777) == 0755);
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+#if defined(HAVE_SYMLINK) && defined(HAVE_LCHMOD) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ /* Verify if we are able to lchmod() */
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+ if (symlink("dir", "testlink_to_dir") == 0) {
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+ if (lchmod("testlink_to_dir",
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+ S_IRUSR | S_IWUSR | S_IXUSR) != 0) {
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+ switch (errno) {
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+ case ENOTSUP:
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+ case ENOSYS:
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+#if ENOTSUP != EOPNOTSUPP
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+ case EOPNOTSUPP:
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+#endif
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+ working_lchmod = 0;
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+ break;
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+ default:
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+ working_lchmod = 1;
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+ }
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+ } else
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+ working_lchmod = 1;
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+ } else
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+ working_lchmod = 0;
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+
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+ if (working_lchmod) {
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+ failure("link_to_dir: st.st_mode=%o", st.st_mode);
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+ assert((st.st_mode & 07777) == 0755);
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+ }
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#endif
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assert(0 == lstat("dir/filea", &st));
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--
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2.24.1
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