/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Zbigniew Jędrzejewski-Szmek 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/>. ***/ #include <assert.h> #include "util.h" #include "cgroup-util.h" #include "test-helper.h" static void check_p_d_u(const char *path, int code, const char *result) { _cleanup_free_ char *unit = NULL; int r; r = cg_path_decode_unit(path, &unit); printf("%s: %s → %s %d expected %s %d\n", __func__, path, unit, r, result, code); assert_se(r == code); assert_se(streq_ptr(unit, result)); } static void test_path_decode_unit(void) { check_p_d_u("getty@tty2.service", 0, "getty@tty2.service"); check_p_d_u("getty@tty2.service/", 0, "getty@tty2.service"); check_p_d_u("getty@tty2.service/xxx", 0, "getty@tty2.service"); check_p_d_u("getty@.service/", -EINVAL, NULL); check_p_d_u("getty@.service", -EINVAL, NULL); check_p_d_u("getty.service", 0, "getty.service"); check_p_d_u("getty", -EINVAL, NULL); check_p_d_u("getty/waldo", -EINVAL, NULL); check_p_d_u("_cpu.service", 0, "cpu.service"); } static void check_p_g_u(const char *path, int code, const char *result) { _cleanup_free_ char *unit = NULL; int r; r = cg_path_get_unit(path, &unit); printf("%s: %s → %s %d expected %s %d\n", __func__, path, unit, r, result, code); assert_se(r == code); assert_se(streq_ptr(unit, result)); } static void test_path_get_unit(void) { check_p_g_u("/system.slice/foobar.service/sdfdsaf", 0, "foobar.service"); check_p_g_u("/system.slice/getty@tty5.service", 0, "getty@tty5.service"); check_p_g_u("/system.slice/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service"); check_p_g_u("/system.slice/getty@tty5.service/", 0, "getty@tty5.service"); check_p_g_u("/system.slice/getty@tty6.service/tty5", 0, "getty@tty6.service"); check_p_g_u("sadfdsafsda", -EINVAL, NULL); check_p_g_u("/system.slice/getty####@tty6.service/xxx", -EINVAL, NULL); check_p_g_u("/system.slice/system-waldo.slice/foobar.service/sdfdsaf", 0, "foobar.service"); check_p_g_u("/system.slice/system-waldo.slice/_cpu.service/sdfdsaf", 0, "cpu.service"); check_p_g_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "user@1000.service"); check_p_g_u("/user.slice/user-1000.slice/user@.service/server.service", -EINVAL, NULL); } static void check_p_g_u_u(const char *path, int code, const char *result) { _cleanup_free_ char *unit = NULL; int r; r = cg_path_get_user_unit(path, &unit); printf("%s: %s → %s %d expected %s %d\n", __func__, path, unit, r, result, code); assert_se(r == code); assert_se(streq_ptr(unit, result)); } static void test_path_get_user_unit(void) { check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "foobar.service"); check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo.slice/foobar.service", 0, "foobar.service"); check_p_g_u_u("/user.slice/user-1002.slice/session-2.scope/foobar.service/waldo", 0, "foobar.service"); check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service/waldo/uuuux", 0, "foobar.service"); check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo/waldo/uuuux", -EINVAL, NULL); check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service"); check_p_g_u_u("/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service"); check_p_g_u_u("/xyz.slice/xyz-waldo.slice/session-77.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service"); check_p_g_u_u("/meh.service", -ENOENT, NULL); check_p_g_u_u("/session-3.scope/_cpu.service", 0, "cpu.service"); check_p_g_u_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "server.service"); check_p_g_u_u("/user.slice/user-1000.slice/user@.service/server.service", -ENOENT, NULL); } static void check_p_g_s(const char *path, int code, const char *result) { _cleanup_free_ char *s = NULL; assert_se(cg_path_get_session(path, &s) == code); assert_se(streq_ptr(s, result)); } static void test_path_get_session(void) { check_p_g_s("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "2"); check_p_g_s("/session-3.scope", 0, "3"); check_p_g_s("", -ENOENT, 0); } static void check_p_g_o_u(const char *path, int code, uid_t result) { uid_t uid = 0; assert_se(cg_path_get_owner_uid(path, &uid) == code); assert_se(uid == result); } static void test_path_get_owner_uid(void) { check_p_g_o_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, 1000); check_p_g_o_u("/user.slice/user-1006.slice", 0, 1006); check_p_g_o_u("", -ENOENT, 0); } static void test_get_paths(void) { _cleanup_free_ char *a = NULL; assert_se(cg_get_root_path(&a) >= 0); log_info("Root = %s", a); } static void test_proc(void) { _cleanup_closedir_ DIR *d = NULL; struct dirent *de; int r; d = opendir("/proc"); assert_se(d); FOREACH_DIRENT(de, d, break) { _cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *slice = NULL; pid_t pid; uid_t uid = (uid_t) -1; if (de->d_type != DT_DIR && de->d_type != DT_UNKNOWN) continue; r = parse_pid(de->d_name, &pid); if (r < 0) continue; if (is_kernel_thread(pid)) continue; cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path); cg_pid_get_path_shifted(pid, NULL, &path_shifted); cg_pid_get_owner_uid(pid, &uid); cg_pid_get_session(pid, &session); cg_pid_get_unit(pid, &unit); cg_pid_get_user_unit(pid, &user_unit); cg_pid_get_machine_name(pid, &machine); cg_pid_get_slice(pid, &slice); printf(PID_FMT"\t%s\t%s\t"UID_FMT"\t%s\t%s\t%s\t%s\t%s\n", pid, path, path_shifted, uid, session, unit, user_unit, machine, slice); } } static void test_escape_one(const char *s, const char *r) { _cleanup_free_ char *b; b = cg_escape(s); assert_se(b); assert_se(streq(b, r)); assert_se(streq(cg_unescape(b), s)); } static void test_escape(void) { test_escape_one("foobar", "foobar"); test_escape_one(".foobar", "_.foobar"); test_escape_one("foobar.service", "foobar.service"); test_escape_one("cgroup.service", "_cgroup.service"); test_escape_one("tasks", "_tasks"); if (access("/sys/fs/cgroup/cpu", F_OK) == 0) test_escape_one("cpu.service", "_cpu.service"); test_escape_one("_foobar", "__foobar"); test_escape_one("", "_"); test_escape_one("_", "__"); test_escape_one(".", "_."); } static void test_controller_is_valid(void) { assert_se(cg_controller_is_valid("foobar", false)); assert_se(cg_controller_is_valid("foo_bar", false)); assert_se(cg_controller_is_valid("name=foo", true)); assert_se(!cg_controller_is_valid("", false)); assert_se(!cg_controller_is_valid("name=", true)); assert_se(!cg_controller_is_valid("=", false)); assert_se(!cg_controller_is_valid("cpu,cpuacct", false)); assert_se(!cg_controller_is_valid("_", false)); assert_se(!cg_controller_is_valid("_foobar", false)); assert_se(!cg_controller_is_valid("tatü", false)); } static void test_slice_to_path_one(const char *unit, const char *path, int error) { _cleanup_free_ char *ret = NULL; assert_se(cg_slice_to_path(unit, &ret) == error); assert_se(streq_ptr(ret, path)); } static void test_slice_to_path(void) { test_slice_to_path_one("foobar.slice", "foobar.slice", 0); test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0); test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL); test_slice_to_path_one("-.slice", NULL, -EINVAL); test_slice_to_path_one("-foo-.slice", NULL, -EINVAL); test_slice_to_path_one("-foo.slice", NULL, -EINVAL); test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0); test_slice_to_path_one("a-b-c-d-e.slice", "a.slice/a-b.slice/a-b-c.slice/a-b-c-d.slice/a-b-c-d-e.slice", 0); } static void test_shift_path_one(const char *raw, const char *root, const char *shifted) { const char *s = NULL; assert_se(cg_shift_path(raw, root, &s) >= 0); assert_se(streq(s, shifted)); } static void test_shift_path(void) { test_shift_path_one("/foobar/waldo", "/", "/foobar/waldo"); test_shift_path_one("/foobar/waldo", "", "/foobar/waldo"); test_shift_path_one("/foobar/waldo", "/foobar", "/waldo"); test_shift_path_one("/foobar/waldo", "/fuckfuck", "/foobar/waldo"); } int main(void) { test_path_decode_unit(); test_path_get_unit(); test_path_get_user_unit(); test_path_get_session(); test_path_get_owner_uid(); TEST_REQ_RUNNING_SYSTEMD(test_get_paths()); test_proc(); TEST_REQ_RUNNING_SYSTEMD(test_escape()); test_controller_is_valid(); test_slice_to_path(); test_shift_path(); return 0; }