Exemplo n.º 1
0
static void test_get_process_comm(pid_t pid) {
        struct stat st;
        _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL;
        _cleanup_free_ char *env = NULL;
        char path[strlen("/proc//comm") + DECIMAL_STR_MAX(pid_t)];
        pid_t e;
        uid_t u;
        gid_t g;
        dev_t h;
        int r;

        xsprintf(path, "/proc/"PID_FMT"/comm", pid);

        if (stat(path, &st) == 0) {
                assert_se(get_process_comm(pid, &a) >= 0);
                log_info("PID"PID_FMT" comm: '%s'", pid, a);
        } else
                log_warning("%s not exist.", path);

        assert_se(get_process_cmdline(pid, 0, true, &c) >= 0);
        log_info("PID"PID_FMT" cmdline: '%s'", pid, c);

        assert_se(get_process_cmdline(pid, 8, false, &d) >= 0);
        log_info("PID"PID_FMT" cmdline truncated to 8: '%s'", pid, d);

        free(d);
        assert_se(get_process_cmdline(pid, 1, false, &d) >= 0);
        log_info("PID"PID_FMT" cmdline truncated to 1: '%s'", pid, d);

        assert_se(get_process_ppid(pid, &e) >= 0);
        log_info("PID"PID_FMT" PPID: "PID_FMT, pid, e);
        assert_se(pid == 1 ? e == 0 : e > 0);

        assert_se(is_kernel_thread(pid) == 0 || pid != 1);

        r = get_process_exe(pid, &f);
        assert_se(r >= 0 || r == -EACCES);
        log_info("PID"PID_FMT" exe: '%s'", pid, strna(f));

        assert_se(get_process_uid(pid, &u) == 0);
        log_info("PID"PID_FMT" UID: "UID_FMT, pid, u);
        assert_se(u == 0 || pid != 1);

        assert_se(get_process_gid(pid, &g) == 0);
        log_info("PID"PID_FMT" GID: "GID_FMT, pid, g);
        assert_se(g == 0 || pid != 1);

        r = get_process_environ(pid, &env);
        assert_se(r >= 0 || r == -EACCES);
        log_info("PID"PID_FMT" strlen(environ): %zi", pid, env ? (ssize_t)strlen(env) : (ssize_t)-errno);

        if (!detect_container())
                assert_se(get_ctty_devnr(pid, &h) == -ENXIO || pid != 1);

        getenv_for_pid(pid, "PATH", &i);
        log_info("PID"PID_FMT" $PATH: '%s'", pid, strna(i));
}
Exemplo n.º 2
0
static void test_get_process_comm(void) {
        struct stat st;
        _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL, *cwd = NULL, *root = NULL;
        _cleanup_free_ char *env = NULL;
        pid_t e;
        uid_t u;
        gid_t g;
        dev_t h;
        int r;
        pid_t me;

        if (stat("/proc/1/comm", &st) == 0) {
                assert_se(get_process_comm(1, &a) >= 0);
                log_info("pid1 comm: '%s'", a);
        } else
                log_warning("/proc/1/comm does not exist.");

        assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
        log_info("pid1 cmdline: '%s'", c);

        assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
        log_info("pid1 cmdline truncated: '%s'", d);

        assert_se(get_process_ppid(1, &e) >= 0);
        log_info("pid1 ppid: "PID_FMT, e);
        assert_se(e == 0);

        assert_se(is_kernel_thread(1) == 0);

        r = get_process_exe(1, &f);
        assert_se(r >= 0 || r == -EACCES);
        log_info("pid1 exe: '%s'", strna(f));

        assert_se(get_process_uid(1, &u) == 0);
        log_info("pid1 uid: "UID_FMT, u);
        assert_se(u == 0);

        assert_se(get_process_gid(1, &g) == 0);
        log_info("pid1 gid: "GID_FMT, g);
        assert_se(g == 0);

        me = getpid();

        r = get_process_cwd(me, &cwd);
        assert_se(r >= 0 || r == -EACCES);
        log_info("pid1 cwd: '%s'", cwd);

        r = get_process_root(me, &root);
        assert_se(r >= 0 || r == -EACCES);
        log_info("pid1 root: '%s'", root);

        r = get_process_environ(me, &env);
        assert_se(r >= 0 || r == -EACCES);
        log_info("self strlen(environ): '%zu'", strlen(env));

        if (!detect_container())
                assert_se(get_ctty_devnr(1, &h) == -ENXIO);

        getenv_for_pid(1, "PATH", &i);
        log_info("pid1 $PATH: '%s'", strna(i));
}