100 lines
2.4 KiB
C
100 lines
2.4 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 <errno.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 PASSWD_MODE STAR
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#elif defined(CONFIG_PASSWD_MODE_CLEAR)
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#define PASSWD_MODE CLEAR
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#else
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#define PASSWD_MODE HIDE
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#endif
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static int do_passwd(int argc, char *argv[])
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{
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unsigned char passwd2[PASSWD_MAX_LENGTH];
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unsigned char passwd1[PASSWD_MAX_LENGTH];
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int passwd1_len;
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int passwd2_len;
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int ret = 1;
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puts("Enter new password: ");
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passwd1_len = password(passwd1, PASSWD_MAX_LENGTH, PASSWD_MODE, 0);
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if (passwd1_len < 0)
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return 1;
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puts("Retype new password: ");
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passwd2_len = password(passwd2, PASSWD_MAX_LENGTH, PASSWD_MODE, 0);
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if (passwd2_len < 0)
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return 1;
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if (passwd2_len != passwd1_len) {
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goto err;
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} else {
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if (passwd1_len == 0) {
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ret = 0;
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goto disable;
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}
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if (strncmp(passwd1, passwd2, passwd1_len) != 0)
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goto err;
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}
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ret = set_env_passwd(passwd1, passwd1_len);
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if (ret < 0) {
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puts("Sorry, passwords write failed\n");
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ret = 1;
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goto disable;
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}
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return 0;
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err:
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puts("Sorry, passwords do not match\n");
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puts("passwd: password unchanged\n");
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return 1;
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disable:
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passwd_env_disable();
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puts("passwd: password disabled\n");
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return ret;
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}
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BAREBOX_CMD_HELP_START(passwd)
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BAREBOX_CMD_HELP_TEXT("'Interactively asks for a password. The digest of this password will be")
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BAREBOX_CMD_HELP_TEXT("stored in " PASSWD_DIR "/passwd. This is then used by the 'login' command.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Entering an empty string will disable the password function.")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(passwd)
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.cmd = do_passwd,
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BAREBOX_CMD_DESC("set password")
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BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
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BAREBOX_CMD_HELP(cmd_passwd_help)
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BAREBOX_CMD_COMPLETE(empty_complete)
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BAREBOX_CMD_END
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