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