-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
- Copyright 2013 Thomas H.P. Andersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <string.h>
#include "fs-util.h"
#include "log.h"
#include "macro.h"
+#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "strv.h"
+#include "tests.h"
static int here = 0, here2 = 0, here3 = 0;
void *ignore_stdout_args[] = {&here, &here2, &here3};
};
static void test_execute_directory(bool gather_stdout) {
- char template_lo[] = "/tmp/test-exec-util.XXXXXXX";
- char template_hi[] = "/tmp/test-exec-util.XXXXXXX";
+ char template_lo[] = "/tmp/test-exec-util.lo.XXXXXXX";
+ char template_hi[] = "/tmp/test-exec-util.hi.XXXXXXX";
const char * dirs[] = {template_hi, template_lo, NULL};
- const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
+ const char *name, *name2, *name3,
+ *overridden, *override,
+ *masked, *mask,
+ *masked2, *mask2, /* the mask is non-executable */
+ *masked2e, *mask2e; /* the mask is executable */
log_info("/* %s (%s) */", __func__, gather_stdout ? "gathering stdout" : "asynchronous");
override = strjoina(template_hi, "/overridden");
masked = strjoina(template_lo, "/masked");
mask = strjoina(template_hi, "/masked");
+ masked2 = strjoina(template_lo, "/masked2");
+ mask2 = strjoina(template_hi, "/masked2");
+ masked2e = strjoina(template_lo, "/masked2e");
+ mask2e = strjoina(template_hi, "/masked2e");
assert_se(write_string_file(name,
"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works",
assert_se(write_string_file(masked,
"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(write_string_file(masked2,
+ "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
+ WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(write_string_file(masked2e,
+ "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
+ WRITE_STRING_FILE_CREATE) == 0);
assert_se(symlink("/dev/null", mask) == 0);
+ assert_se(touch(mask2) == 0);
+ assert_se(touch(mask2e) == 0);
assert_se(touch(name3) >= 0);
assert_se(chmod(name, 0755) == 0);
assert_se(chmod(overridden, 0755) == 0);
assert_se(chmod(override, 0755) == 0);
assert_se(chmod(masked, 0755) == 0);
+ assert_se(chmod(masked2, 0755) == 0);
+ assert_se(chmod(masked2e, 0755) == 0);
+ assert_se(chmod(mask2e, 0755) == 0);
if (gather_stdout)
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL, NULL, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
else
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, NULL);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, NULL, NULL, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
assert_se(chdir(template_lo) == 0);
assert_se(access("it_works", F_OK) >= 0);
assert_se(chmod(override, 0755) == 0);
assert_se(chmod(masked, 0755) == 0);
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL, NULL, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
assert_se(read_full_file(output, &contents, NULL) >= 0);
assert_se(streq(contents, "30-override\n80-foo\n90-bar\nlast\n"));
return 0;
}
-const gather_stdout_callback_t const gather_stdout[] = {
+const gather_stdout_callback_t gather_stdout[] = {
gather_stdout_one,
gather_stdout_two,
gather_stdout_three,
};
-
static void test_stdout_gathering(void) {
char template[] = "/tmp/test-exec-util.XXXXXXX";
const char *dirs[] = {template, NULL};
assert_se(chmod(name2, 0755) == 0);
assert_se(chmod(name3, 0755) == 0);
- r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_stdout, args, NULL);
+ r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_stdout, args, NULL, NULL, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
assert_se(r >= 0);
log_info("got: %s", output);
static void test_environment_gathering(void) {
char template[] = "/tmp/test-exec-util.XXXXXXX", **p;
const char *dirs[] = {template, NULL};
- const char *name, *name2, *name3;
+ const char *name, *name2, *name3, *old;
int r;
char **tmp = NULL; /* this is only used in the forked process, no cleanup here */
"echo A=$A:24\n"
"echo B=12\n"
"echo C=000\n"
- "echo C=001\n" /* variable overwriting */
- "echo PATH=$PATH:/no/such/file", /* variable from manager */
+ "echo C=001\n" /* variable overwriting */
+ /* various invalid entries */
+ "echo unset A\n"
+ "echo unset A=\n"
+ "echo unset A=B\n"
+ "echo unset \n"
+ "echo A B=C\n"
+ "echo A\n"
+ /* test variable assignment without newline */
+ "echo PATH=$PATH:/no/such/file", /* no newline */
WRITE_STRING_FILE_CREATE) == 0);
assert_se(chmod(name, 0755) == 0);
assert_se(chmod(name2, 0755) == 0);
assert_se(chmod(name3, 0755) == 0);
- r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL);
+ /* When booting in containers or without initramfs there might not be
+ * any PATH in the environment and if there is no PATH /bin/sh built-in
+ * PATH may leak and override systemd's DEFAULT_PATH which is not
+ * good. Force our own PATH in environment, to prevent expansion of sh
+ * built-in $PATH */
+ old = getenv("PATH");
+ r = setenv("PATH", "no-sh-built-in-path", 1);
+ assert_se(r >= 0);
+
+ r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL, NULL, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
+ assert_se(r >= 0);
+
+ STRV_FOREACH(p, env)
+ log_info("got env: \"%s\"", *p);
+
+ assert_se(streq(strv_env_get(env, "A"), "22:23:24"));
+ assert_se(streq(strv_env_get(env, "B"), "12"));
+ assert_se(streq(strv_env_get(env, "C"), "001"));
+ assert_se(streq(strv_env_get(env, "PATH"), "no-sh-built-in-path:/no/such/file"));
+
+ /* now retest with "default" path passed in, as created by
+ * manager_default_environment */
+ env = strv_free(env);
+ env = strv_new("PATH=" DEFAULT_PATH);
+ assert_se(env);
+
+ r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL, env, EXEC_DIR_PARALLEL | EXEC_DIR_IGNORE_ERRORS);
assert_se(r >= 0);
STRV_FOREACH(p, env)
assert_se(streq(strv_env_get(env, "A"), "22:23:24"));
assert_se(streq(strv_env_get(env, "B"), "12"));
assert_se(streq(strv_env_get(env, "C"), "001"));
- assert_se(endswith(strv_env_get(env, "PATH"), ":/no/such/file"));
+ assert_se(streq(strv_env_get(env, "PATH"), DEFAULT_PATH ":/no/such/file"));
+
+ /* reset environ PATH */
+ if (old)
+ (void) setenv("PATH", old, 1);
+ else
+ (void) unsetenv("PATH");
+}
+
+static void test_error_catching(void) {
+ char template[] = "/tmp/test-exec-util.XXXXXXX";
+ const char *dirs[] = {template, NULL};
+ const char *name, *name2, *name3;
+ int r;
+
+ assert_se(mkdtemp(template));
+
+ log_info("/* %s */", __func__);
+
+ /* write files */
+ name = strjoina(template, "/10-foo");
+ name2 = strjoina(template, "/20-bar");
+ name3 = strjoina(template, "/30-last");
+
+ assert_se(write_string_file(name,
+ "#!/bin/sh\necho a\necho b\necho c\n",
+ WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(write_string_file(name2,
+ "#!/bin/sh\nexit 42\n",
+ WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(write_string_file(name3,
+ "#!/bin/sh\nexit 12",
+ WRITE_STRING_FILE_CREATE) == 0);
+
+ assert_se(chmod(name, 0755) == 0);
+ assert_se(chmod(name2, 0755) == 0);
+ assert_se(chmod(name3, 0755) == 0);
+
+ r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, NULL, NULL, EXEC_DIR_NONE);
+
+ /* we should exit with the error code of the first script that failed */
+ assert_se(r == 42);
+}
+
+static void test_exec_command_flags_from_strv(void) {
+ ExecCommandFlags flags = 0;
+ char **valid_strv = STRV_MAKE("no-env-expand", "no-setuid", "ignore-failure");
+ char **invalid_strv = STRV_MAKE("no-env-expand", "no-setuid", "nonexistent-option", "ignore-failure");
+ int r;
+
+ r = exec_command_flags_from_strv(valid_strv, &flags);
+
+ assert_se(r == 0);
+ assert_se(FLAGS_SET(flags, EXEC_COMMAND_NO_ENV_EXPAND));
+ assert_se(FLAGS_SET(flags, EXEC_COMMAND_NO_SETUID));
+ assert_se(FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE));
+ assert_se(!FLAGS_SET(flags, EXEC_COMMAND_AMBIENT_MAGIC));
+ assert_se(!FLAGS_SET(flags, EXEC_COMMAND_FULLY_PRIVILEGED));
+
+ r = exec_command_flags_from_strv(invalid_strv, &flags);
+
+ assert_se(r == -EINVAL);
+}
+
+static void test_exec_command_flags_to_strv(void) {
+ _cleanup_strv_free_ char **opts = NULL, **empty_opts = NULL, **invalid_opts = NULL;
+ ExecCommandFlags flags = 0;
+ int r;
+
+ flags |= (EXEC_COMMAND_AMBIENT_MAGIC|EXEC_COMMAND_NO_ENV_EXPAND|EXEC_COMMAND_IGNORE_FAILURE);
+
+ r = exec_command_flags_to_strv(flags, &opts);
+
+ assert_se(r == 0);
+ assert_se(strv_equal(opts, STRV_MAKE("ignore-failure", "ambient", "no-env-expand")));
+
+ r = exec_command_flags_to_strv(0, &empty_opts);
+
+ assert_se(r == 0);
+ assert_se(strv_equal(empty_opts, STRV_MAKE_EMPTY));
+
+ flags = _EXEC_COMMAND_FLAGS_INVALID;
+
+ r = exec_command_flags_to_strv(flags, &invalid_opts);
+
+ assert_se(r == -EINVAL);
}
int main(int argc, char *argv[]) {
- log_set_max_level(LOG_DEBUG);
- log_parse_environment();
- log_open();
+ test_setup_logging(LOG_DEBUG);
test_execute_directory(true);
test_execute_directory(false);
test_execution_order();
test_stdout_gathering();
test_environment_gathering();
+ test_error_catching();
+ test_exec_command_flags_from_strv();
+ test_exec_command_flags_to_strv();
return 0;
}
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