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