Differential D28451 Diff 84016 contrib/capsicum-test/procdesc.cc

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contrib/capsicum-test/procdesc.cc

Show First 20 Lines • Show All 516 Lines • ▼ Show 20 Lines	TEST_F(PipePdfork, CloseLast) {

EXPECT_FALSE(had_signal[SIGCHLD]);		EXPECT_FALSE(had_signal[SIGCHLD]);
signal(SIGCHLD, original);		signal(SIGCHLD, original);
}		}

FORK_TEST(Pdfork, OtherUserIfRoot) {		FORK_TEST(Pdfork, OtherUserIfRoot) {
GTEST_SKIP_IF_NOT_ROOT();		GTEST_SKIP_IF_NOT_ROOT();
int pd;		int pd;
		int status;
pid_t pid = pdfork(&pd, 0);		pid_t pid = pdfork(&pd, 0);
EXPECT_OK(pid);		EXPECT_OK(pid);
if (pid == 0) {		if (pid == 0) {
// Child process: loop forever.		// Child process: loop forever.
while (true) usleep(100000);		while (true) usleep(100000);
}		}
usleep(100);		usleep(100);

// Now that the second process has been pdfork()ed, change euid.		// Now that the second process has been pdfork()ed, change euid.
ASSERT_NE(0u, other_uid) << "other_uid not initialized correctly, "		ASSERT_NE(0u, other_uid) << "other_uid not initialized correctly, "
"please pass the -u <uid> flag.";		"please pass the -u <uid> flag.";
EXPECT_EQ(0, setuid(other_uid));		EXPECT_EQ(0, setuid(other_uid));
EXPECT_EQ(other_uid, getuid());		EXPECT_EQ(other_uid, getuid());
if (verbose) fprintf(stderr, "uid=%d euid=%d\n", getuid(), geteuid());		if (verbose) fprintf(stderr, "uid=%d euid=%d\n", getuid(), geteuid());

// Fail to kill child with normal PID operation.		// Fail to kill child with normal PID operation.
EXPECT_EQ(-1, kill(pid, SIGKILL));		EXPECT_EQ(-1, kill(pid, SIGKILL));
EXPECT_EQ(EPERM, errno);		EXPECT_EQ(EPERM, errno);
EXPECT_PID_ALIVE(pid);		EXPECT_PID_ALIVE(pid);

// Succeed with pdkill though.		// Succeed with pdkill though.
		#ifdef __FreeBSD__
		// Can't send a signal to a process with another UID unless we are root
		EXPECT_EQ(-1, pdkill(pid, SIGKILL));
		EXPECT_PID_ALIVE(pid);
		// However, the process will be killed when we close the process descriptor
		EXPECT_OK(close(pd));
		EXPECT_PID_GONE(pid);
		// Can't pdwait4() after close() since close() reparents the child to a reaper (init)
		EXPECT_SYSCALL_FAIL(EBADF, pdwait4_(pd, &status, WNOHANG, NULL));
		#else
EXPECT_OK(pdkill(pd, SIGKILL));		EXPECT_OK(pdkill(pd, SIGKILL));
EXPECT_PID_ZOMBIE(pid);		EXPECT_PID_ZOMBIE(pid);

int status;
int rc = pdwait4_(pd, &status, WNOHANG, NULL);		int rc = pdwait4_(pd, &status, WNOHANG, NULL);
EXPECT_OK(rc);		EXPECT_OK(rc);
EXPECT_EQ(pid, rc);		EXPECT_EQ(pid, rc);
EXPECT_TRUE(WIFSIGNALED(status));		EXPECT_TRUE(WIFSIGNALED(status));
		#endif
}		}

TEST_F(PipePdfork, WaitPidThenPd) {		TEST_F(PipePdfork, WaitPidThenPd) {
TerminateChild();		TerminateChild();
int status;		int status;
// If we waitpid(pid) first...		// If we waitpid(pid) first...
int rc = waitpid(pid_, &status, __WALL);		int rc = waitpid(pid_, &status, __WALL);
EXPECT_OK(rc);		EXPECT_OK(rc);
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