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201 lines
6.6 KiB
201 lines
6.6 KiB
From b53f89d56a5b7528735ddf335f8b47ab3e1a947a Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Fri, 19 Oct 2018 11:31:37 +0200
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Subject: [PATCH] test: add test case for recursive chown()ing
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[msekleta: I removed call to log_test_skipped() and replaced it with older construct log_info() + return EXIT_TEST_SKIP]
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(cherry-picked from commit cb9e44db36caefcbb8ee7a12e14217305ed69ff2)
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Related: #1643368
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---
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src/test/meson.build | 5 ++
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src/test/test-chown-rec.c | 162 ++++++++++++++++++++++++++++++++++++++
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2 files changed, 167 insertions(+)
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create mode 100644 src/test/test-chown-rec.c
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diff --git a/src/test/meson.build b/src/test/meson.build
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index 7da7e3a22c..b982251b1f 100644
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--- a/src/test/meson.build
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+++ b/src/test/meson.build
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@@ -60,6 +60,11 @@ tests += [
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libmount,
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libblkid]],
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+ [['src/test/test-chown-rec.c'],
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+ [libcore,
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+ libshared],
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+ []],
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+
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[['src/test/test-job-type.c'],
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[libcore,
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libshared],
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diff --git a/src/test/test-chown-rec.c b/src/test/test-chown-rec.c
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new file mode 100644
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index 0000000000..f16d4d4ba2
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--- /dev/null
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+++ b/src/test/test-chown-rec.c
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@@ -0,0 +1,162 @@
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+/* SPDX-License-Identifier: LGPL-2.1+ */
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+
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+#include <sys/xattr.h>
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+
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+#include "alloc-util.h"
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+#include "chown-recursive.h"
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+#include "fileio.h"
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+#include "log.h"
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+#include "rm-rf.h"
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+#include "string-util.h"
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+#include "tests.h"
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+
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+static const uint8_t acl[] = {
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+ 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x02, 0x00, 0x07, 0x00,
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+ 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x10, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00,
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+ 0xff, 0xff, 0xff, 0xff,
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+};
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+
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+static const uint8_t default_acl[] = {
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+ 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x04, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x07, 0x00,
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+ 0x04, 0x00, 0x00, 0x00, 0x10, 0x00, 0x07, 0x00,
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+ 0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00,
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+ 0xff, 0xff, 0xff, 0xff,
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+};
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+
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+static bool has_xattr(const char *p) {
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+ char buffer[sizeof(acl) * 4];
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+
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+ if (lgetxattr(p, "system.posix_acl_access", buffer, sizeof(buffer)) < 0) {
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+ if (IN_SET(errno, EOPNOTSUPP, ENOTTY, ENODATA, ENOSYS))
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+ return false;
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+ }
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+
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+ return true;
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+}
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+
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+static void test_chown_recursive(void) {
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+ _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
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+ struct stat st;
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+ const char *p;
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+
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+ umask(022);
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+ assert_se(mkdtemp_malloc(NULL, &t) >= 0);
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+
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+ p = strjoina(t, "/dir");
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+ assert_se(mkdir(p, 0777) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISDIR(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/symlink");
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+ assert_se(symlink("../../", p) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISLNK(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0777);
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/reg");
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+ assert_se(mknod(p, S_IFREG|0777, 0) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISREG(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/sock");
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+ assert_se(mknod(p, S_IFSOCK|0777, 0) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISSOCK(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/fifo");
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+ assert_se(mknod(p, S_IFIFO|0777, 0) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISFIFO(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(!has_xattr(p));
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+
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+ /* We now apply an xattr to the dir, and check it again */
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+ p = strjoina(t, "/dir");
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+ assert_se(setxattr(p, "system.posix_acl_access", acl, sizeof(acl), 0) >= 0);
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+ assert_se(setxattr(p, "system.posix_acl_default", default_acl, sizeof(default_acl), 0) >= 0);
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISDIR(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0775); /* acl change changed the mode too */
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+ assert_se(st.st_uid == 0);
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+ assert_se(st.st_gid == 0);
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+ assert_se(has_xattr(p));
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+
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+ assert_se(path_chown_recursive(t, 1, 2) >= 0);
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+
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+ p = strjoina(t, "/dir");
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISDIR(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0775);
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+ assert_se(st.st_uid == 1);
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+ assert_se(st.st_gid == 2);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/symlink");
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISLNK(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0777);
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+ assert_se(st.st_uid == 1);
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+ assert_se(st.st_gid == 2);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/reg");
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISREG(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 1);
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+ assert_se(st.st_gid == 2);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/sock");
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISSOCK(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 1);
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+ assert_se(st.st_gid == 2);
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+ assert_se(!has_xattr(p));
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+
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+ p = strjoina(t, "/dir/fifo");
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+ assert_se(lstat(p, &st) >= 0);
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+ assert_se(S_ISFIFO(st.st_mode));
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+ assert_se((st.st_mode & 07777) == 0755);
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+ assert_se(st.st_uid == 1);
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+ assert_se(st.st_gid == 2);
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+ assert_se(!has_xattr(p));
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+}
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+
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+int main(int argc, char *argv[]) {
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+ log_set_max_level(LOG_DEBUG);
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+ log_parse_environment();
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+ log_open();
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+
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+ if (geteuid() != 0) {
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+ log_info("not running as root");
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+ return EXIT_TEST_SKIP;
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+ }
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+
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+ test_chown_recursive();
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+
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+ return EXIT_SUCCESS;
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+}
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