diff options
Diffstat (limited to 'commands/passwd.c')
-rw-r--r-- | commands/passwd.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/commands/passwd.c b/commands/passwd.c new file mode 100644 index 0000000000..94350911df --- /dev/null +++ b/commands/passwd.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2008-2010 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <password.h> +#include <errno.h> + +#define PASSWD_MAX_LENGTH (128 + 1) + +#if defined(CONFIG_PASSWD_MODE_STAR) +#define PASSWD_MODE STAR +#elif defined(CONFIG_PASSWD_MODE_CLEAR) +#define PASSWD_MODE CLEAR +#else +#define PASSWD_MODE HIDE +#endif + +static int do_passwd(struct command *cmdtp, int argc, char *argv[]) +{ + unsigned char passwd2[PASSWD_MAX_LENGTH]; + unsigned char passwd1[PASSWD_MAX_LENGTH]; + int passwd1_len; + int passwd2_len; + int ret = 1; + + puts("Enter new password: "); + passwd1_len = password(passwd1, PASSWD_MAX_LENGTH, PASSWD_MODE); + + if (passwd1_len < 0) + return 1; + + puts("Retype new password: "); + passwd2_len = password(passwd2, PASSWD_MAX_LENGTH, PASSWD_MODE); + + if (passwd2_len < 0) + return 1; + + if (passwd2_len != passwd1_len) { + goto err; + } else { + if (passwd1_len == 0) { + ret = 0; + goto disable; + } + + if (strncmp(passwd1, passwd2, passwd1_len) != 0) + goto err; + } + + ret = set_passwd(passwd1, passwd1_len); + + if (ret < 0) { + puts("Sorry, passwords write failed\n"); + ret = 1; + goto disable; + } + + return 0; +err: + puts("Sorry, passwords do not match\n"); + puts("passwd: password unchanged\n"); + return 1; + +disable: + passwd_disable(); + puts("passwd: password disabled\n"); + return ret; +} + +static const __maybe_unused char cmd_passwd_help[] = +"Usage: passwd\n" +"passwd allow you to specify a password\n" +"to disable it put an empty password\n" +; + +BAREBOX_CMD_START(passwd) + .cmd = do_passwd, + .usage = "passwd", + BAREBOX_CMD_HELP(cmd_passwd_help) +BAREBOX_CMD_END |