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test: add test case for recursive chown()ing

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This commit is contained in:
Lennart Poettering 2018-10-19 11:31:37 +02:00
parent cd6b7d50c3
commit cb9e44db36
2 changed files with 165 additions and 0 deletions
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5
src/test/meson.build
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@ -68,6 +68,11 @@ tests += [
libshared],
[]],
[['src/test/test-chown-rec.c'],
[libcore,
libshared],
[]],
[['src/test/test-job-type.c'],
[libcore,
libshared],

160
src/test/test-chown-rec.c Normal file
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@ -0,0 +1,160 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
#include <sys/xattr.h>
#include "alloc-util.h"
#include "chown-recursive.h"
#include "fileio.h"
#include "log.h"
#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
static const uint8_t acl[] = {
0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x02, 0x00, 0x07, 0x00,
0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x10, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00,
0xff, 0xff, 0xff, 0xff,
};
static const uint8_t default_acl[] = {
0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x04, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x07, 0x00,
0x04, 0x00, 0x00, 0x00, 0x10, 0x00, 0x07, 0x00,
0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00,
0xff, 0xff, 0xff, 0xff,
};
static bool has_xattr(const char *p) {
char buffer[sizeof(acl) * 4];
if (lgetxattr(p, "system.posix_acl_access", buffer, sizeof(buffer)) < 0) {
if (IN_SET(errno, EOPNOTSUPP, ENOTTY, ENODATA, ENOSYS))
return false;
}
return true;
}
static void test_chown_recursive(void) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
struct stat st;
const char *p;
umask(022);
assert_se(mkdtemp_malloc(NULL, &t) >= 0);
p = strjoina(t, "/dir");
assert_se(mkdir(p, 0777) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISDIR(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/symlink");
assert_se(symlink("../../", p) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISLNK(st.st_mode));
assert_se((st.st_mode & 07777) == 0777);
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/reg");
assert_se(mknod(p, S_IFREG|0777, 0) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISREG(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/sock");
assert_se(mknod(p, S_IFSOCK|0777, 0) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISSOCK(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/fifo");
assert_se(mknod(p, S_IFIFO|0777, 0) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISFIFO(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(!has_xattr(p));
/* We now apply an xattr to the dir, and check it again */
p = strjoina(t, "/dir");
assert_se(setxattr(p, "system.posix_acl_access", acl, sizeof(acl), 0) >= 0);
assert_se(setxattr(p, "system.posix_acl_default", default_acl, sizeof(default_acl), 0) >= 0);
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISDIR(st.st_mode));
assert_se((st.st_mode & 07777) == 0775); /* acl change changed the mode too */
assert_se(st.st_uid == 0);
assert_se(st.st_gid == 0);
assert_se(has_xattr(p));
assert_se(path_chown_recursive(t, 1, 2) >= 0);
p = strjoina(t, "/dir");
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISDIR(st.st_mode));
assert_se((st.st_mode & 07777) == 0775);
assert_se(st.st_uid == 1);
assert_se(st.st_gid == 2);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/symlink");
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISLNK(st.st_mode));
assert_se((st.st_mode & 07777) == 0777);
assert_se(st.st_uid == 1);
assert_se(st.st_gid == 2);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/reg");
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISREG(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 1);
assert_se(st.st_gid == 2);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/sock");
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISSOCK(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 1);
assert_se(st.st_gid == 2);
assert_se(!has_xattr(p));
p = strjoina(t, "/dir/fifo");
assert_se(lstat(p, &st) >= 0);
assert_se(S_ISFIFO(st.st_mode));
assert_se((st.st_mode & 07777) == 0755);
assert_se(st.st_uid == 1);
assert_se(st.st_gid == 2);
assert_se(!has_xattr(p));
}
int main(int argc, char *argv[]) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
if (geteuid() != 0)
return log_tests_skipped("not running as root");
test_chown_recursive();
return EXIT_SUCCESS;
}