int main(int argc, char *argv[])
{
int ret, whichtest;
ret = prctl(PR_GET_KEEPCAPS);
if (ret) {
tst_resm(TBROK, "keepcaps was already set?\n");
tst_exit();
}
if (!am_root()) {
tst_resm(TBROK, "Run me as root and privileged\n");
tst_exit();
}
if (argc < 2) {
tst_resm(TBROK, "Usage: %s <tescase_num>", argv[0]);
tst_exit();
}
whichtest = atoi(argv[1]);
if (whichtest < 1 || whichtest > 3) {
tst_resm(TFAIL, "Valid tests are 1-3\n");
tst_exit();
}
switch(whichtest) {
case 1:
do_setuid(EXPECT_NOPRIVS); /* does not return */
case 2:
ret = prctl(PR_SET_KEEPCAPS, 1);
if (ret == -1) {
tst_resm(TFAIL|TERRNO, "PR_SET_KEEPCAPS failed\n");
tst_exit();
}
ret = prctl(PR_GET_KEEPCAPS);
if (!ret) {
tst_resm(TFAIL|TERRNO, "PR_SET_KEEPCAPS did not set keepcaps\n");
tst_exit();
}
do_setuid(EXPECT_PRIVS); /* does not return */
case 3:
ret = prctl(PR_GET_SECUREBITS);
ret = prctl(PR_SET_SECUREBITS, ret | SECBIT_KEEP_CAPS);
if (ret == -1) {
tst_resm(TFAIL|TERRNO, "PR_SET_SECUREBITS failed\n");
tst_exit();
}
ret = prctl(PR_GET_KEEPCAPS);
if (!ret) {
tst_resm(TFAIL|TERRNO, "PR_SET_SECUREBITS did not set keepcaps\n");
tst_exit();
}
do_setuid(EXPECT_PRIVS); /* does not return */
default:
tst_resm(TFAIL, "should not reach here\n");
tst_exit();
}
tst_resm(TFAIL, "should not reach here\n");
tst_exit();
}
int main(int argc, char *argv[])
{
int ret, whichtest;
tst_require_root(NULL);
ret = prctl(PR_GET_KEEPCAPS);
if (ret)
tst_brkm(TBROK, NULL, "keepcaps was already set?");
if (argc < 2)
tst_brkm(TBROK, NULL, "Usage: %s <tescase_num>", argv[0]);
whichtest = atoi(argv[1]);
if (whichtest < 1 || whichtest > 3)
tst_brkm(TFAIL, NULL, "Valid tests are 1-3");
switch (whichtest) {
case 1:
do_setuid(EXPECT_NOPRIVS); /* does not return */
case 2:
ret = prctl(PR_SET_KEEPCAPS, 1);
if (ret == -1) {
tst_brkm(TFAIL | TERRNO, NULL,
"PR_SET_KEEPCAPS failed");
}
ret = prctl(PR_GET_KEEPCAPS);
if (!ret) {
tst_brkm(TFAIL | TERRNO, NULL,
"PR_SET_KEEPCAPS did not set keepcaps");
}
do_setuid(EXPECT_PRIVS); /* does not return */
case 3:
ret = prctl(PR_GET_SECUREBITS);
ret = prctl(PR_SET_SECUREBITS, ret | SECBIT_KEEP_CAPS);
if (ret == -1) {
tst_brkm(TFAIL | TERRNO, NULL,
"PR_SET_SECUREBITS failed");
}
ret = prctl(PR_GET_KEEPCAPS);
if (!ret) {
tst_brkm(TFAIL | TERRNO, NULL,
"PR_SET_SECUREBITS did not set keepcaps");
}
do_setuid(EXPECT_PRIVS); /* does not return */
default:
tst_brkm(TFAIL, NULL, "Valid tests are 1-3");
}
}
int main(void)
{
int exit_status;
/* Save the real and effective user IDs. */
ruid = getuid();
exit_status = do_setuid();
exit(exit_status);
}
/**
* <Ring 1> The main loop of TASK MM.
*
*****************************************************************************/
PUBLIC void task_mm()
{
init_mm();
while (1) {
send_recv(RECEIVE, ANY, &mm_msg);
int src = mm_msg.source;
int reply = 1;
int msgtype = mm_msg.type;
switch (msgtype) {
case FORK:
mm_msg.RETVAL = do_fork();
break;
case EXIT:
do_exit(mm_msg.STATUS);
reply = 0;
break;
case EXEC:
mm_msg.RETVAL = do_exec();
break;
case WAIT:
do_wait();
reply = 0;
break;
case KILL:
mm_msg.RETVAL = do_kill();
break;
case RAISE:
mm_msg.RETVAL = do_raise();
break;
case BRK:
mm_msg.RETVAL = do_brk();
break;
case ACCT:
mm_msg.RETVAL = do_acct();
break;
case GETUID:
mm_msg.RETVAL = do_getuid();
break;
case SETUID:
mm_msg.RETVAL = do_setuid();
break;
case GETGID:
mm_msg.RETVAL = do_getgid();
break;
case SETGID:
mm_msg.RETVAL = do_setgid();
break;
case GETEUID:
mm_msg.RETVAL = do_geteuid();
break;
case GETEGID:
mm_msg.RETVAL = do_getegid();
break;
case SIGACTION:
mm_msg.RETVAL = do_sigaction();
break;
case ALARM:
mm_msg.RETVAL = do_alarm();
break;
default:
dump_msg("MM::unknown msg", &mm_msg);
assert(0);
break;
}
if (reply) {
mm_msg.type = SYSCALL_RET;
send_recv(SEND, src, &mm_msg);
}
}
}