+#if 0 /// UNNEEDED by elogind
+static void test_personality(void) {
+
+ assert_se(personality_to_string(PER_LINUX));
+ assert_se(!personality_to_string(PERSONALITY_INVALID));
+
+ assert_se(streq(personality_to_string(PER_LINUX), architecture_to_string(native_architecture())));
+
+ assert_se(personality_from_string(personality_to_string(PER_LINUX)) == PER_LINUX);
+ assert_se(personality_from_string(architecture_to_string(native_architecture())) == PER_LINUX);
+
+#ifdef __x86_64__
+ assert_se(streq_ptr(personality_to_string(PER_LINUX), "x86-64"));
+ assert_se(streq_ptr(personality_to_string(PER_LINUX32), "x86"));
+
+ assert_se(personality_from_string("x86-64") == PER_LINUX);
+ assert_se(personality_from_string("x86") == PER_LINUX32);
+ assert_se(personality_from_string("ia64") == PERSONALITY_INVALID);
+ assert_se(personality_from_string(NULL) == PERSONALITY_INVALID);
+
+ assert_se(personality_from_string(personality_to_string(PER_LINUX32)) == PER_LINUX32);
+#endif
+}
+#endif // 0
+
+static void test_get_process_cmdline_harder(void) {
+ char path[] = "/tmp/test-cmdlineXXXXXX";
+ _cleanup_close_ int fd = -1;
+ _cleanup_free_ char *line = NULL;
+ pid_t pid;
+
+ if (geteuid() != 0)
+ return;
+
+#ifdef HAVE_VALGRIND_VALGRIND_H
+ /* valgrind patches open(/proc//cmdline)
+ * so, test_get_process_cmdline_harder fails always
+ * See https://github.com/systemd/systemd/pull/3555#issuecomment-226564908 */
+ if (RUNNING_ON_VALGRIND)
+ return;
+#endif
+
+ pid = fork();
+ if (pid > 0) {
+ siginfo_t si;
+
+ (void) wait_for_terminate(pid, &si);
+
+ assert_se(si.si_code == CLD_EXITED);
+ assert_se(si.si_status == 0);
+
+ return;
+ }
+
+ assert_se(pid == 0);
+ assert_se(unshare(CLONE_NEWNS) >= 0);
+
+ fd = mkostemp(path, O_CLOEXEC);
+ assert_se(fd >= 0);
+
+ if (mount(path, "/proc/self/cmdline", "bind", MS_BIND, NULL) < 0) {
+ /* This happens under selinux… Abort the test in this case. */
+ log_warning_errno(errno, "mount(..., \"/proc/self/cmdline\", \"bind\", ...) failed: %m");
+ assert(errno == EACCES);
+ return;
+ }
+
+ assert_se(unlink(path) >= 0);
+
+ assert_se(prctl(PR_SET_NAME, "testa") >= 0);
+
+ assert_se(get_process_cmdline(getpid(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 1, true, &line) >= 0);
+ assert_se(streq(line, ""));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 2, true, &line) >= 0);
+ assert_se(streq(line, "["));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 3, true, &line) >= 0);
+ assert_se(streq(line, "[."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 4, true, &line) >= 0);
+ assert_se(streq(line, "[.."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 5, true, &line) >= 0);
+ assert_se(streq(line, "[..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 6, true, &line) >= 0);
+ assert_se(streq(line, "[...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 7, true, &line) >= 0);
+ assert_se(streq(line, "[t...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 8, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(write(fd, "\0\0\0\0\0\0\0\0\0", 10) == 10);
+
+ assert_se(get_process_cmdline(getpid(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(write(fd, "foo\0bar\0\0\0\0\0", 10) == 10);
+
+ assert_se(get_process_cmdline(getpid(), 0, false, &line) >= 0);
+ assert_se(streq(line, "foo bar"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 0, true, &line) >= 0);
+ assert_se(streq(line, "foo bar"));
+ line = mfree(line);
+
+ assert_se(write(fd, "quux", 4) == 4);
+ assert_se(get_process_cmdline(getpid(), 0, false, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 0, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 1, true, &line) >= 0);
+ assert_se(streq(line, ""));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 2, true, &line) >= 0);
+ assert_se(streq(line, "."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 3, true, &line) >= 0);
+ assert_se(streq(line, ".."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 4, true, &line) >= 0);
+ assert_se(streq(line, "..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 5, true, &line) >= 0);
+ assert_se(streq(line, "f..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 6, true, &line) >= 0);
+ assert_se(streq(line, "fo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 7, true, &line) >= 0);
+ assert_se(streq(line, "foo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 8, true, &line) >= 0);
+ assert_se(streq(line, "foo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 9, true, &line) >= 0);
+ assert_se(streq(line, "foo b..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 10, true, &line) >= 0);
+ assert_se(streq(line, "foo ba..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 11, true, &line) >= 0);
+ assert_se(streq(line, "foo bar..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 12, true, &line) >= 0);
+ assert_se(streq(line, "foo bar..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 13, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 14, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 1000, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(ftruncate(fd, 0) >= 0);
+ assert_se(prctl(PR_SET_NAME, "aaaa bbbb cccc") >= 0);
+
+ assert_se(get_process_cmdline(getpid(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa bbbb cccc]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 10, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 11, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid(), 12, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa b...]"));
+ line = mfree(line);
+
+ safe_close(fd);
+ _exit(0);
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_rename_process_one(const char *p, int ret) {
+ _cleanup_free_ char *comm = NULL, *cmdline = NULL;
+ pid_t pid;
+ int r;
+
+ pid = fork();
+ assert_se(pid >= 0);
+
+ if (pid > 0) {
+ siginfo_t si;
+
+ assert_se(wait_for_terminate(pid, &si) >= 0);
+ assert_se(si.si_code == CLD_EXITED);
+ assert_se(si.si_status == EXIT_SUCCESS);
+
+ return;
+ }
+
+ /* child */
+ r = rename_process(p);
+
+ assert_se(r == ret ||
+ (ret == 0 && r >= 0) ||
+ (ret > 0 && r > 0));
+
+ if (r < 0)
+ goto finish;
+
+#ifdef HAVE_VALGRIND_VALGRIND_H
+ /* see above, valgrind is weird, we can't verify what we are doing here */
+ if (RUNNING_ON_VALGRIND)
+ goto finish;
+#endif
+
+ assert_se(get_process_comm(0, &comm) >= 0);
+ log_info("comm = <%s>", comm);
+ assert_se(strneq(comm, p, 15));
+
+ assert_se(get_process_cmdline(0, 0, false, &cmdline) >= 0);
+ log_info("cmdline = <%s>", cmdline);
+ assert_se(strneq(p, cmdline, strlen("test-process-util")));
+ assert_se(startswith(p, cmdline));
+
+finish:
+ _exit(EXIT_SUCCESS);
+}
+
+static void test_rename_process(void) {
+ test_rename_process_one(NULL, -EINVAL);
+ test_rename_process_one("", -EINVAL);
+ test_rename_process_one("foo", 1); /* should always fit */
+ test_rename_process_one("this is a really really long process name, followed by some more words", 0); /* unlikely to fit */
+ test_rename_process_one("1234567", 1); /* should always fit */
+}
+#endif // 0
+