From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 70.mail-out.ovh.net ([91.121.185.63]) by bombadil.infradead.org with smtp (Exim 4.72 #1 (Red Hat Linux)) id 1OthgF-0003oc-Qm for barebox@lists.infradead.org; Thu, 09 Sep 2010 14:00:49 +0000 From: Jean-Christophe PLAGNIOL-VILLARD Date: Thu, 9 Sep 2010 15:59:52 +0200 Message-Id: <1284040793-32145-6-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <20100909135543.GF9112@game.jcrosoft.org> References: <20100909135543.GF9112@game.jcrosoft.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 6/7] add passwd command To: barebox@lists.infradead.org Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- commands/Kconfig | 23 ++++++++++++ commands/Makefile | 1 + commands/passwd.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 122 insertions(+), 0 deletions(-) create mode 100644 commands/passwd.c diff --git a/commands/Kconfig b/commands/Kconfig index 57c9b75..0c9a6ef 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -60,6 +60,29 @@ config CMD_MENU_MANAGEMENT depends on CMD_MENU prompt "menu scripts management" +config CMD_PASSWD + tristate + select PASSWORD + prompt "passwd" + +if CMD_PASSWD + +choice + prompt "passwd mode" + +config PASSWD_MODE_HIDE + bool "Hide" + +config PASSWD_MODE_STAR + bool "Star" + +config PASSWD_MODE_CLEAR + bool "Clear" + +endchoice + +endif + endmenu menu "file commands " diff --git a/commands/Makefile b/commands/Makefile index 154a778..3012e65 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -51,3 +51,4 @@ obj-$(CONFIG_CMD_UNLZO) += unlzo.o obj-$(CONFIG_CMD_I2C) += i2c.o obj-$(CONFIG_CMD_UBI) += ubi.o obj-$(CONFIG_CMD_MENU) += menu.o +obj-$(CONFIG_CMD_PASSWD) += passwd.o diff --git a/commands/passwd.c b/commands/passwd.c new file mode 100644 index 0000000..9435091 --- /dev/null +++ b/commands/passwd.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2008-2010 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 +#include +#include +#include + +#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 -- 1.7.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox