mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright 2019 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// A binary that tests a lot of syscalls, to test the AddPolicyOnSyscall
|
|
// functionality.
|
|
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include <cerrno>
|
|
|
|
int main() {
|
|
unsigned int r, e, s;
|
|
char buf[1];
|
|
// 1000 is the UID/GID we use inside the namespaces.
|
|
if (getuid() != 1000) return 1;
|
|
if (getgid() != 1000) return 2;
|
|
if (geteuid() != 1000) return 3;
|
|
if (getegid() != 1000) return 4;
|
|
if (getresuid(&r, &e, &s) != -1 || errno != 42) return 5;
|
|
if (getresgid(&r, &e, &s) != -1 || errno != 42) return 6;
|
|
if (read(0, buf, 1) != -1 || errno != 43) return 7;
|
|
if (write(1, buf, 1) != -1 || errno != 43) return 8;
|
|
|
|
// Trigger a violation.
|
|
umask(0);
|
|
return 0;
|
|
}
|