108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/*
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* Copyright (c) 2008-2010 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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#include <password.h>
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#include <getopt.h>
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#include <environment.h>
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#include <globalvar.h>
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#include <magicvar.h>
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#include <init.h>
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#include <console.h>
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#define PASSWD_MAX_LENGTH (128 + 1)
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#if defined(CONFIG_PASSWD_MODE_STAR)
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#define LOGIN_MODE STAR
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#elif defined(CONFIG_PASSWD_MODE_CLEAR)
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#define LOGIN_MODE CLEAR
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#else
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#define LOGIN_MODE HIDE
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#endif
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static int login_timeout = 0;
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static int do_login(int argc, char *argv[])
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{
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unsigned char passwd[PASSWD_MAX_LENGTH];
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int passwd_len, opt;
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int timeout = login_timeout;
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char *timeout_cmd = "boot";
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console_allow_input(true);
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if (!is_passwd_enable()) {
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puts("login: password not set\n");
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return 0;
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}
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while((opt = getopt(argc, argv, "t:")) > 0) {
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switch(opt) {
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case 't':
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timeout = simple_strtoul(optarg, NULL, 10);
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break;
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}
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}
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if (optind != argc)
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timeout_cmd = argv[optind];
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do {
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puts("Password: ");
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passwd_len = password(passwd, PASSWD_MAX_LENGTH, LOGIN_MODE, timeout);
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if (passwd_len < 0) {
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console_allow_input(false);
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run_command(timeout_cmd);
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}
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if (check_passwd(passwd, passwd_len))
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return 0;
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} while(1);
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return 0;
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}
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BAREBOX_CMD_HELP_START(login)
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BAREBOX_CMD_HELP_TEXT("Asks for a password from the console before script execution continues.")
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BAREBOX_CMD_HELP_TEXT("The password can be set with the 'passwd' command. Instead of specifying")
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BAREBOX_CMD_HELP_TEXT("a TIMEOUT the magic variable 'global.login.timeout' could be set.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-t TIMEOUT", "Execute COMMAND if no login withing TIMEOUT seconds")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(login)
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.cmd = do_login,
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BAREBOX_CMD_DESC("ask for a password")
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BAREBOX_CMD_OPTS("[-t TIMEOUT] COMMAND")
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BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
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BAREBOX_CMD_HELP(cmd_login_help)
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BAREBOX_CMD_COMPLETE(empty_complete)
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BAREBOX_CMD_END
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static int login_global_init(void)
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{
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globalvar_add_simple_int("login.timeout", &login_timeout, "%d");
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return 0;
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}
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late_initcall(login_global_init);
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BAREBOX_MAGICVAR_NAMED(global_login_timeout, global.login.timeout, "timeout to type the password");
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