mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
84 lines
3 KiB
C++
84 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
|
|
* 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 <AK/StringView.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
const char* path = nullptr;
|
|
const char* program = "/bin/Shell";
|
|
int flags = -1;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_positional_argument(path, "New root directory", "path");
|
|
args_parser.add_positional_argument(program, "Program to run", "program", Core::ArgsParser::Required::No);
|
|
|
|
Core::ArgsParser::Option option {
|
|
true,
|
|
"Mount options",
|
|
"options",
|
|
'o',
|
|
"options",
|
|
[&flags](const char* s) {
|
|
flags = 0;
|
|
Vector<StringView> parts = StringView(s).split_view(',');
|
|
for (auto& part : parts) {
|
|
if (part == "defaults")
|
|
continue;
|
|
else if (part == "nodev")
|
|
flags |= MS_NODEV;
|
|
else if (part == "noexec")
|
|
flags |= MS_NOEXEC;
|
|
else if (part == "nosuid")
|
|
flags |= MS_NOSUID;
|
|
else if (part == "bind")
|
|
fprintf(stderr, "Ignoring -o bind, as it doesn't make sense for chroot\n");
|
|
else
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
args_parser.add_option(move(option));
|
|
args_parser.parse(argc, argv);
|
|
|
|
if (chroot_with_mount_flags(path, flags) < 0) {
|
|
perror("chroot");
|
|
return 1;
|
|
}
|
|
|
|
if (chdir("/") < 0) {
|
|
perror("chdir(/)");
|
|
return 1;
|
|
}
|
|
|
|
execl(program, program, nullptr);
|
|
perror("execl");
|
|
return 1;
|
|
}
|