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useradd: Port to LibMain

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TheOddGarlic 2022-01-15 18:30:36 +03:00 committed by Andreas Kling
parent 3b61fbf15f
commit 6499699d6d
Notes: sideshowbarker 2024-07-17 18:08:00 +09:00 
Author: https://github.com/AsyaTheAbove 🔰
Commit: https://github.com/SerenityOS/serenity/commit/6499699d6d
Pull-request: https://github.com/SerenityOS/serenity/pull/11920
Reviewed-by: https://github.com/kennethmyhra ✅
Reviewed-by: https://github.com/linusg
2 changed files with 24 additions and 16 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -197,6 +197,7 @@ target_link_libraries(uniq LibMain)
target_link_libraries(unzip LibArchive LibCompress LibMain)
target_link_libraries(update-cpp-test-results LibCpp LibCore LibMain)
target_link_libraries(uptime LibMain)
target_link_libraries(useradd LibMain)
target_link_libraries(userdel LibMain)
target_link_libraries(usermod LibMain)
target_link_libraries(utmpupdate LibMain)

39
Userland/Utilities/useradd.cpp
View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2019-2020, Jesse Buhagiar <jooster669@gmail.com>
* Copyright (c) 2021, Brandon Pruitt <brapru@pm.me>
* Copyright (c) 2022, Umut İnan Erdoğan <umutinanerdogan62@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -9,6 +10,8 @@
#include <AK/Random.h>
#include <AK/String.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <crypt.h>
#include <ctype.h>
#include <errno.h>
@ -24,12 +27,9 @@ constexpr uid_t BASE_UID = 1000;
constexpr gid_t USERS_GID = 100;
constexpr const char* DEFAULT_SHELL = "/bin/sh";
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (pledge("stdio wpath rpath cpath chown", nullptr) < 0) {
perror("pledge");
return 1;
}
TRY(Core::System::pledge("stdio wpath rpath cpath chown"));
const char* home_path = nullptr;
int uid = 0;
@ -50,7 +50,7 @@ int main(int argc, char** argv)
args_parser.add_option(gecos, "GECOS name of the new user", "gecos", 'n', "general-info");
args_parser.add_positional_argument(username, "Login user identity (username)", "login");
args_parser.parse(argc, argv);
args_parser.parse(arguments);
// Let's run a quick sanity check on username
if (strpbrk(username, "\\/!@#$%^&*()~+=`:\n")) {
@ -64,7 +64,8 @@ int main(int argc, char** argv)
return 1;
}
if (getpwnam(username)) {
auto passwd = TRY(Core::System::getpwnam(username));
if (passwd.has_value()) {
warnln("user {} already exists!", username);
return 1;
}
@ -76,13 +77,16 @@ int main(int argc, char** argv)
// First, let's sort out the uid for the user
if (uid > 0) {
if (getpwuid(static_cast<uid_t>(uid))) {
auto pwd = TRY(Core::System::getpwuid(static_cast<uid_t>(uid)));
if (pwd.has_value()) {
warnln("uid {} already exists!", uid);
return 4;
}
} else {
for (uid = BASE_UID; getpwuid(static_cast<uid_t>(uid)); uid++) {
for (uid = BASE_UID;; uid++) {
auto pwd = TRY(Core::System::getpwuid(static_cast<uid_t>(uid)));
if (!pwd.has_value())
break;
}
}
@ -110,19 +114,22 @@ int main(int argc, char** argv)
home = home_path;
if (create_home_dir) {
if (mkdir(home.characters(), 0700) < 0) {
auto saved_errno = errno;
warnln("Failed to create directory {}: {}", home, strerror(saved_errno));
auto mkdir_error = Core::System::mkdir(home, 0700);
if (mkdir_error.is_error()) {
int code = mkdir_error.release_error().code();
warnln("Failed to create directory {}: {}", home, strerror(code));
return 12;
}
if (chown(home.characters(), static_cast<uid_t>(uid), static_cast<gid_t>(gid)) < 0) {
warnln("Failed to change owner of {} to {}:{}: {}", home, uid, gid, strerror(errno));
auto chown_error = Core::System::chown(home, static_cast<uid_t>(uid), static_cast<gid_t>(gid));
if (chown_error.is_error()) {
int code = chown_error.release_error().code();
warnln("Failed to change owner of {} to {}:{}: {}", home, uid, gid, strerror(code));
if (rmdir(home.characters()) < 0) {
warnln("Failed to remove directory {}: {}", home, strerror(errno));
return 12;
}
return 12;
}
}