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serenity/Userland/Tests/Kernel/unveil-test-failures.cpp

100 lines
3.1 KiB
C++

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