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/*
* Copyright (c) 2020, Peter Elliott <pelliott@ualberta.ca>
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/Account.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/GetPassword.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (geteuid() != 0) {
warnln("Not running as root :^(");
return 1;
}
if (setegid(0) < 0) {
perror("setegid");
return 1;
}
if (pledge("stdio wpath rpath cpath fattr tty", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/etc", "rwc") < 0) {
perror("unveil");
return 1;
}
unveil(nullptr, nullptr);
bool del = false;
bool lock = false;
bool unlock = false;
const char* username = nullptr;
auto args_parser = Core::ArgsParser();
args_parser.set_general_help("Modify an account password.");
args_parser.add_option(del, "Delete password", "delete", 'd');
args_parser.add_option(lock, "Lock password", "lock", 'l');
args_parser.add_option(unlock, "Unlock password", "unlock", 'u');
args_parser.add_positional_argument(username, "Username", "username", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
uid_t current_uid = getuid();
auto account_or_error = (username)
? Core::Account::from_name(username)
: Core::Account::from_uid(current_uid);
if (account_or_error.is_error()) {
warnln("Core::Account::{}: {}", (username) ? "from_name" : "from_uid", account_or_error.error());
return 1;
}
setpwent();
if (pledge("stdio wpath rpath cpath fattr tty", nullptr) < 0) {
perror("pledge");
return 1;
}
// target_account is the account we are changing the password of.
auto& target_account = account_or_error.value();
if (current_uid != 0 && current_uid != target_account.uid()) {
warnln("You can't modify passwd for {}", username);
return 1;
}
if (del) {
target_account.delete_password();
} else if (lock) {
target_account.set_password_enabled(false);
} else if (unlock) {
target_account.set_password_enabled(true);
} else {
if (current_uid != 0) {
auto current_password = Core::get_password("Current password: ");
if (current_password.is_error()) {
warnln("{}", current_password.error());
return 1;
}
if (!target_account.authenticate(current_password.value().characters())) {
warnln("Incorrect or disabled password.");
warnln("Password for user {} unchanged.", target_account.username());
return 1;
}
}
auto new_password = Core::get_password("New password: ");
if (new_password.is_error()) {
warnln("{}", new_password.error());
return 1;
}
auto new_password_retype = Core::get_password("Retype new password: ");
if (new_password_retype.is_error()) {
warnln("{}", new_password_retype.error());
return 1;
}
if (new_password.value().is_empty() && new_password_retype.value().is_empty()) {
warnln("No password supplied.");
warnln("Password for user {} unchanged.", target_account.username());
return 1;
}
if (new_password.value() != new_password_retype.value()) {
warnln("Sorry, passwords don't match.");
warnln("Password for user {} unchanged.", target_account.username());
return 1;
}
target_account.set_password(new_password.value().characters());
}
if (pledge("stdio wpath rpath cpath fattr", nullptr) < 0) {
perror("pledge");
return 1;
}
if (!target_account.sync()) {
perror("Core::Account::Sync");
} else {
outln("Password for user {} successfully updated.", target_account.username());
}
return 0;
}
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