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141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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Copyright 2013 Thomas H.P. Andersen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "alloc-util.h"
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#include "log.h"
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#include "macro.h"
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#include "process-util.h"
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#include "string-util.h"
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#include "terminal-util.h"
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#include "util.h"
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#include "virt.h"
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static void test_get_process_comm(void) {
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struct stat st;
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_cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL, *cwd = NULL, *root = NULL;
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_cleanup_free_ char *env = NULL;
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pid_t e;
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uid_t u;
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gid_t g;
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dev_t h;
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int r;
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pid_t me;
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if (stat("/proc/1/comm", &st) == 0) {
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assert_se(get_process_comm(1, &a) >= 0);
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log_info("pid1 comm: '%s'", a);
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} else
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log_warning("/proc/1/comm does not exist.");
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assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
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log_info("pid1 cmdline: '%s'", c);
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assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
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log_info("pid1 cmdline truncated: '%s'", d);
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assert_se(get_process_ppid(1, &e) >= 0);
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log_info("pid1 ppid: "PID_FMT, e);
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assert_se(e == 0);
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assert_se(is_kernel_thread(1) == 0);
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r = get_process_exe(1, &f);
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assert_se(r >= 0 || r == -EACCES);
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log_info("pid1 exe: '%s'", strna(f));
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assert_se(get_process_uid(1, &u) == 0);
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log_info("pid1 uid: "UID_FMT, u);
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assert_se(u == 0);
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assert_se(get_process_gid(1, &g) == 0);
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log_info("pid1 gid: "GID_FMT, g);
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assert_se(g == 0);
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me = getpid();
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r = get_process_cwd(me, &cwd);
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assert_se(r >= 0 || r == -EACCES);
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log_info("pid1 cwd: '%s'", cwd);
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r = get_process_root(me, &root);
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assert_se(r >= 0 || r == -EACCES);
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log_info("pid1 root: '%s'", root);
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r = get_process_environ(me, &env);
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assert_se(r >= 0 || r == -EACCES);
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log_info("self strlen(environ): '%zu'", strlen(env));
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if (!detect_container())
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assert_se(get_ctty_devnr(1, &h) == -ENXIO);
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getenv_for_pid(1, "PATH", &i);
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log_info("pid1 $PATH: '%s'", strna(i));
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}
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static void test_pid_is_unwaited(void) {
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pid_t pid;
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pid = fork();
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assert_se(pid >= 0);
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if (pid == 0) {
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_exit(EXIT_SUCCESS);
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} else {
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int status;
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waitpid(pid, &status, 0);
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assert_se(!pid_is_unwaited(pid));
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}
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assert_se(pid_is_unwaited(getpid()));
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assert_se(!pid_is_unwaited(-1));
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}
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static void test_pid_is_alive(void) {
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pid_t pid;
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pid = fork();
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assert_se(pid >= 0);
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if (pid == 0) {
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_exit(EXIT_SUCCESS);
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} else {
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int status;
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waitpid(pid, &status, 0);
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assert_se(!pid_is_alive(pid));
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}
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assert_se(pid_is_alive(getpid()));
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assert_se(!pid_is_alive(-1));
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}
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int main(int argc, char *argv[]) {
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log_parse_environment();
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log_open();
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test_get_process_comm();
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test_pid_is_unwaited();
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test_pid_is_alive();
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return 0;
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}
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