2020-11-09 05:23:58 +01:00
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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2020-07-23 15:24:54 +02:00
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#include <unistd.h>
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#include "alloc-util.h"
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#include "process-util.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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#include "tmpfile-util.h"
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static void test_rm_rf_chmod_inner(void) {
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_cleanup_free_ char *d = NULL;
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const char *x, *y;
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assert_se(getuid() != 0);
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assert_se(mkdtemp_malloc(NULL, &d) >= 0);
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x = strjoina(d, "/d");
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assert_se(mkdir(x, 0700) >= 0);
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y = strjoina(x, "/f");
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assert_se(mknod(y, S_IFREG | 0600, 0) >= 0);
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assert_se(chmod(y, 0400) >= 0);
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assert_se(chmod(x, 0500) >= 0);
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assert_se(chmod(d, 0500) >= 0);
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assert_se(rm_rf(d, REMOVE_PHYSICAL|REMOVE_ROOT) == -EACCES);
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assert_se(access(d, F_OK) >= 0);
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assert_se(access(x, F_OK) >= 0);
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assert_se(access(y, F_OK) >= 0);
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assert_se(rm_rf(d, REMOVE_PHYSICAL|REMOVE_ROOT|REMOVE_CHMOD) >= 0);
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errno = 0;
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assert_se(access(d, F_OK) < 0 && errno == ENOENT);
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}
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static void test_rm_rf_chmod(void) {
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int r;
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log_info("/* %s */", __func__);
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if (getuid() == 0) {
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/* This test only works unpriv (as only then the access mask for the owning user matters),
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* hence drop privs here */
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r = safe_fork("(setresuid)", FORK_DEATHSIG|FORK_WAIT, NULL);
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assert_se(r >= 0);
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if (r == 0) {
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/* child */
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assert_se(setresuid(1, 1, 1) >= 0);
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test_rm_rf_chmod_inner();
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_exit(EXIT_SUCCESS);
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}
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return;
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}
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test_rm_rf_chmod_inner();
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}
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int main(int argc, char **argv) {
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test_setup_logging(LOG_DEBUG);
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test_rm_rf_chmod();
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return 0;
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}
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