#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;

assert_se(cg_path_decode_unit(path, &unit) == 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;

assert_se(cg_path_get_unit(path, &unit) == 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");

}

static void check_p_g_u_u(const char *path, int code, const char *result) {

_cleanup_free_ char *unit = NULL;

assert_se(cg_path_get_user_unit(path, &unit) == 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");

}

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 check_p_g_m_n(const char *path, int code, const char *result) {

_cleanup_free_ char *m = NULL;

assert_se(cg_path_get_machine_name(path, &m) == code);

assert_se(streq_ptr(m, result));

}

static void test_path_get_machine_name(void) {

check_p_g_m_n("/user.slice/machine-foobar.scope", 0, "foobar");

check_p_g_m_n("/machine-foobar.scope", 0, "foobar");

check_p_g_m_n("/user.slice/user-kuux.slice/machine-foobar.scope", 0, "foobar");

check_p_g_m_n("/user.slice/user-kuux.slice/machine-foobar.scope/asjhdkj", 0, "foobar");

check_p_g_m_n("", -ENOENT, NULL);

}

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, *prefix = 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, &prefix, &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("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\t%s\n",

(unsigned long) pid,

path,

prefix,

path_shifted,

(unsigned long) 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("cpu.service", "_cpu.service");

test_escape_one("tasks", "_tasks");

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);

}

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_path_get_machine_name();

TEST_REQ_RUNNING_SYSTEMD(test_get_paths());

test_proc();

TEST_REQ_RUNNING_SYSTEMD(test_escape());

test_controller_is_valid();

test_slice_to_path();

return 0;

}