int main(int argc, char **argv)
{
int ret = -1;
char path[PATH_MAX];
test_init(argc, argv);
if (mount_and_add(cgname, "test") < 0)
return -1;
sprintf(path, "%s/%s/test", dirname, cgname);
if (chownmod(path, O_DIRECTORY) < 0)
goto out_umount;
sprintf(path, "%s/%s/test/notify_on_release", dirname, cgname);
if (chownmod(path, O_RDWR) < 0)
goto out_umount;
sprintf(path, "%s/%s/test/cgroup.procs", dirname, cgname);
if (chownmod(path, O_RDWR) < 0)
goto out_umount;
test_daemon();
test_waitsig();
sprintf(path, "%s/%s/test", dirname, cgname);
if (checkperms(path) < 0)
goto out_umount;
sprintf(path, "%s/%s/test/notify_on_release", dirname, cgname);
if (checkperms(path) < 0)
goto out_umount;
sprintf(path, "%s/%s/test/cgroup.procs", dirname, cgname);
if (checkperms(path) < 0)
goto out_umount;
pass();
ret = 0;
out_umount:
sprintf(path, "%s/%s/test", dirname, cgname);
rmdir(path);
sprintf(path, "%s/%s", dirname, cgname);
umount(path);
rmdir(path);
rmdir(dirname);
return ret;
}
int main(int argc, char **argv)
{
int ret = -1, i;
char buf[1024], path[PATH_MAX];
struct stat sb;
char *dev_allow[] = {
"c *:* m",
"b *:* m",
"c 1:3 rwm",
"c 1:5 rwm",
"c 1:7 rwm",
"c 5:0 rwm",
"c 5:2 rwm",
"c 1:8 rwm",
"c 1:9 rwm",
"c 136:* rwm",
"c 10:229 rwm",
};
test_init(argc, argv);
if (mount_and_add("devices", cgname, "devices.deny", "a") < 0)
goto out;
/* need to allow /dev/null for restore */
sprintf(path, "%s/devices/%s/devices.allow", dirname, cgname);
for (i = 0; i < ARRAY_SIZE(dev_allow); i++) {
if (write_value(path, dev_allow[i]) < 0)
goto out;
}
if (mount_and_add("memory", cgname, "memory.limit_in_bytes", "268435456") < 0)
goto out;
test_daemon();
test_waitsig();
buf[0] = 0;
for (i = 0; i < ARRAY_SIZE(dev_allow); i++) {
strcat(buf, dev_allow[i]);
strcat(buf, "\n");
}
sprintf(path, "%s/devices/%s/devices.list", dirname, cgname);
if (!checkval(path, buf)) {
fail();
goto out;
}
sprintf(path, "%s/memory/%s/memory.limit_in_bytes", dirname, cgname);
if (!checkval(path, "268435456\n")) {
fail();
goto out;
}
sprintf(path, "%s/devices/%s/special_prop_check", dirname, cgname);
if (stat(path, &sb) < 0) {
fail("special_prop_check doesn't exist?");
goto out;
}
if (!S_ISDIR(sb.st_mode)) {
fail("special_prop_check not a directory?");
goto out;
}
pass();
ret = 0;
out:
sprintf(path, "%s/devices/%s/special_prop_check", dirname, cgname);
rmdir(path);
sprintf(path, "%s/devices/%s", dirname, cgname);
rmdir(path);
sprintf(path, "%s/devices", dirname);
umount(path);
sprintf(path, "%s/memory/%s", dirname, cgname);
rmdir(path);
sprintf(path, "%s/memory", dirname);
umount(path);
return ret;
}
int main(int argc, char **argv)
{
int ret = -1, sk_pair[2], sk, status;
char path[PATH_MAX], c;
pid_t pid;
test_init(argc, argv);
if (mount_and_add(cgname, "test") < 0)
return -1;
if (socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair)) {
pr_perror("socketpair");
goto out;
}
pid = fork();
if (pid < 0) {
pr_perror("fork failed");
goto out;
}
if (pid == 0) {
close(sk_pair[0]);
if (unshare_cgns_and_wait(sk_pair+1))
exit(1);
exit(0);
}
close(sk_pair[1]);
sk = sk_pair[0];
if ((ret = read(sk, &c, 1)) != 1) {
pr_perror("read %d", ret);
goto out;
}
test_daemon();
test_waitsig();
sprintf(path, "name=%s", cgname);
/* first check that the task is in zdtmtst:/test */
if (!pid_in_cgroup(pid, path, "/test")) {
fail("pid not in cgroup /test");
goto out;
}
/* now have the task check that it is in / */
if (write(sk, &c, 1) != 1) {
pr_perror("write");
goto out;
}
if (pid != waitpid(pid, &status, 0)) {
pr_perror("waitpid");
goto out;
}
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
fail("exit status %s\n", status);
goto out;
}
pass();
ret = 0;
out:
sprintf(path, "%s/%s/test", dirname, cgname);
rmdir(path);
sprintf(path, "%s/%s", dirname, cgname);
umount(path);
rmdir(path);
rmdir(dirname);
return ret;
}
int main(int argc, char **argv)
{
int ret = -1, fd, status;
char path[PATH_MAX];
pid_t pid;
if (!getenv("ZDTM_NEWNS")) {
if (mount_and_add(cgname, "test") < 0)
return -1;
if (unshare(CLONE_NEWCGROUP) < 0) {
pr_perror("unshare");
goto out;
}
}
test_init(argc, argv);
test_daemon();
test_waitsig();
sprintf(path, "name=%s", cgname);
/* first check that the task is in zdtmtst:/ */
if (!pid_in_cgroup(getpid(), path, "/")) {
fail("pid not in cgroup /");
goto out;
}
/* now check that the task is in the right place in a ns by setnsing to
* someone else's ns and looking there.
*/
pid = fork();
if (pid < 0) {
pr_perror("fork");
goto out;
}
if (pid == 0) {
sprintf(path, "/proc/%d/ns/cgroup", 1);
fd = open(path, O_RDONLY);
if (fd < 0) {
pr_perror("open");
exit(1);
}
ret = setns(fd, CLONE_NEWCGROUP);
close(fd);
if (ret < 0) {
pr_perror("setns");
exit(1);
}
sprintf(path, "name=%s", cgname);
if (!pid_in_cgroup(getppid(), path, "/test")) {
fail("pid not in cgroup %s", path);
exit(1);
}
exit(0);
}
if (pid != waitpid(pid, &status, 0)) {
pr_err("wrong pid");
goto out;
}
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
pr_err("got bad exit status %d\n", status);
goto out;
}
ret = 0;
pass();
out:
sprintf(path, "%s/%s/test", dirname, cgname);
rmdir(path);
sprintf(path, "%s/%s", dirname, cgname);
umount(path);
rmdir(path);
rmdir(dirname);
return ret;
}
int main(int argc, char **argv)
{
FILE *cgf;
bool found_zdtmtstroot = false, found_newroot = false;
char paux[1024];
int ret = -1;
test_init(argc, argv);
if (mount_and_add(cgname, subname))
goto out;
if (mount_and_add(cgname2, subname)) {
sprintf(paux, "%s/%s", dirname, cgname);
umount(paux);
rmdir(paux);
goto out;
}
test_daemon();
test_waitsig();
cgf = fopen("/proc/self/mountinfo", "r");
if (cgf == NULL) {
fail("No mountinfo file");
goto out_umount;
}
while (fgets(paux, sizeof(paux), cgf)) {
char *s;
s = strstr(paux, cgname);
if (s && test_exists(paux, "zdtmtstroot")) {
found_zdtmtstroot = true;
}
s = strstr(paux, cgname2);
if (s && test_exists(paux, "newroot")) {
found_newroot = true;
}
}
if (!found_zdtmtstroot) {
fail("oldroot not rewritten to zdtmtstroot!\n");
goto out_close;
}
if (!found_newroot) {
fail("oldroot not rewritten to newroot!\n");
goto out_close;
}
pass();
ret = 0;
out_close:
fclose(cgf);
out_umount:
sprintf(paux, "%s/%s", dirname, cgname);
umount(paux);
rmdir(paux);
sprintf(paux, "%s/%s", dirname, cgname2);
umount(paux);
rmdir(paux);
out:
return ret;
}