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groupdel: Port to LibMain

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TheOddGarlic 2022-01-15 20:08:56 +03:00 • committed by Andreas Kling
parent 6499699d6d
commit 6cda142c28
2 changed files with 13 additions and 31 deletions
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43
Userland/Utilities/groupdel.cpp
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@ -2,38 +2,30 @@
* Copyright (c) 2020, Fei Wu <f.eiwu@yahoo.com>
* Copyright (c) 2021, Brandon Pruitt <brapru@pm.me>
* Copyright (c) 2021, Maxime Friess <M4x1me@pm.me>
* Copyright (c) 2022, Umut İnan Erdoğan <umutinanerdogan62@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <grp.h>
#include <pwd.h>
#include <unistd.h>
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (pledge("stdio wpath rpath cpath fattr proc exec", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/etc/", "rwc") < 0) {
perror("unveil");
return 1;
}
if (unveil("/bin/rm", "x") < 0) {
perror("unveil");
return 1;
}
TRY(Core::System::pledge("stdio wpath rpath cpath fattr proc exec"));
TRY(Core::System::unveil("/etc/", "rwc"));
TRY(Core::System::unveil("/bin/rm", "x"));
char const* groupname = nullptr;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(groupname, "Group name", "group");
args_parser.parse(argc, argv);
args_parser.parse(arguments);
setgrent();
auto* g = getgrnam(groupname);
@ -68,7 +60,7 @@ int main(int argc, char** argv)
char temp_group[] = "/etc/group.XXXXXX";
auto unlink_temp_files = [&] {
if (unlink(temp_group) < 0)
if (Core::System::unlink(temp_group).is_error())
perror("unlink");
};
@ -76,11 +68,7 @@ int main(int argc, char** argv)
unlink_temp_files();
};
auto temp_group_fd = mkstemp(temp_group);
if (temp_group_fd == -1) {
perror("failed to create temporary group file");
return 1;
}
int temp_group_fd = TRY(Core::System::mkstemp(temp_group));
FILE* temp_group_file = fdopen(temp_group_fd, "w");
if (!temp_group_file) {
@ -104,15 +92,8 @@ int main(int argc, char** argv)
return 1;
}
if (chmod(temp_group, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) {
perror("chmod");
return 1;
}
if (rename(temp_group, "/etc/group") < 0) {
perror("failed to rename the temporary group file");
return 1;
}
TRY(Core::System::chmod(temp_group, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
TRY(Core::System::rename(temp_group, "/etc/group"));
unlink_temp_files_guard.disarm();