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test: add test case for recursive chown()ing
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‎src/test/meson.build‎

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@@ -68,6 +68,11 @@ tests += [
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libshared],
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[]],
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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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[['src/test/test-job-type.c'],
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[libcore,
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libshared],

‎src/test/test-chown-rec.c‎

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/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <sys/xattr.h>
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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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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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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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static bool has_xattr(const char *p) {
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char buffer[sizeof(acl) * 4];
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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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return true;
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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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umask(022);
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assert_se(mkdtemp_malloc(NULL, &t) >= 0);
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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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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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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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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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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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/* 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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assert_se(path_chown_recursive(t, 1, 2) >= 0);
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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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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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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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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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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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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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if (geteuid() != 0)
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return log_tests_skipped("not running as root");
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test_chown_recursive();
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return EXIT_SUCCESS;
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}

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