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Tests: Add Kernel tests for unveil system call
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Userland/Tests/Kernel/unveil-test-failures.cpp
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Userland/Tests/Kernel/unveil-test-failures.cpp
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/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <unistd.h>
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int main()
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{
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int res = unveil("/etc", "r");
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if (res < 0) {
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perror("unveil");
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return 1;
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}
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res = unveil("/etc", "w");
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if (res >= 0) {
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fprintf(stderr, "FAIL, unveil write permitted after unveil read only\n");
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return 1;
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}
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res = unveil("/etc", "x");
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if (res >= 0) {
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fprintf(stderr, "FAIL, unveil execute permitted after unveil read only\n");
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return 1;
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}
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res = unveil("/etc", "c");
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if (res >= 0) {
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fprintf(stderr, "FAIL, unveil create permitted after unveil read only\n");
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return 1;
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}
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res = unveil("/tmp/doesnotexist", "c");
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if (res < 0) {
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fprintf(stderr, "FAIL, unveil create on non-existent path failed\n");
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return 1;
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}
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res = unveil(nullptr, nullptr);
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if (res < 0) {
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fprintf(stderr, "FAIL, unveil state lock failed\n");
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return 1;
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}
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res = unveil("/home", "w");
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if (res >= 0) {
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fprintf(stderr, "FAIL, unveil permitted after unveil state locked\n");
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return 1;
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}
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printf("PASS\n");
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return 0;
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}
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