source4/utils/net/net_password.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Distributed SMB/CIFS Server Management Utility
   4
   5    Copyright (C) 2004 Stefan Metzmacher (metze@samba.org)
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23 #include "utils/net/net.h"
  24 #include "libnet/libnet.h"
  25 #include "system/filesys.h"
  26 #include "system/passwd.h"
  27
  28 /*
  29  * Code for Changing and setting a password
  30  */
  31
  32 static int net_password_change(struct net_context *ctx, int argc, const char **argv)
  33 {
  34         NTSTATUS status;
  35         struct libnet_context *libnetctx;
  36         union libnet_ChangePassword r;
  37         char *password_prompt = NULL;
  38         const char *new_password;
  39
  40         if (argc > 0 && argv[0]) {
  41                 new_password = argv[0];
  42         } else {
  43                 password_prompt = talloc_asprintf(ctx->mem_ctx, "Enter new password for account [%s\\%s]:",
  44                                                         ctx->user.domain_name, ctx->user.account_name);
  45                 new_password = getpass(password_prompt);
  46         }
  47
  48         libnetctx = libnet_context_init();
  49         if (!libnetctx) {
  50                 return -1;
  51         }
  52         libnetctx->user.account_name    = ctx->user.account_name;
  53         libnetctx->user.domain_name     = ctx->user.domain_name;
  54         libnetctx->user.password        = ctx->user.password;
  55
  56         /* prepare password change */
  57         r.generic.level                 = LIBNET_CHANGE_PASSWORD_GENERIC;
  58         r.generic.in.account_name       = ctx->user.account_name;
  59         r.generic.in.domain_name        = ctx->user.domain_name;
  60         r.generic.in.oldpassword        = ctx->user.password;
  61         r.generic.in.newpassword        = new_password;
  62
  63         /* do password change */
  64         status = libnet_ChangePassword(libnetctx, ctx->mem_ctx, &r);
  65         if (!NT_STATUS_IS_OK(status)) {
  66                 DEBUG(0,("net_password_change: %s\n",r.generic.out.error_string));
  67                 return -1;
  68         }
  69
  70         libnet_context_destroy(&libnetctx);
  71
  72         return 0;
  73 }
  74
  75 static int net_password_change_usage(struct net_context *ctx, int argc, const char **argv)
  76 {
  77         d_printf("net_password_change_usage: TODO\n");
  78         return 0;
  79 }
  80
  81 static int net_password_change_help(struct net_context *ctx, int argc, const char **argv)
  82 {
  83         d_printf("net_password_change_help: TODO\n");
  84         return 0;
  85 }
  86
  87 static int net_password_set(struct net_context *ctx, int argc, const char **argv)
  88 {
  89         NTSTATUS status;
  90         struct libnet_context *libnetctx;
  91         union libnet_SetPassword r;
  92         char *password_prompt = NULL;
  93         char *p;
  94         char *tmp;
  95         const char *account_name;
  96         const char *domain_name;
  97         const char *new_password = NULL;
  98
  99         switch (argc) {
 100                 case 0: /* no args -> fail */
 101                         return net_password_usage(ctx, argc, argv);
 102                 case 1: /* only DOM\\user; prompt for password */
 103                         tmp = talloc_strdup(ctx->mem_ctx, argv[0]);
 104                         break;
 105                 case 2: /* DOM\\USER and password */
 106                         tmp = talloc_strdup(ctx->mem_ctx, argv[0]);
 107                         new_password = argv[1];
 108                         break;
 109                 default: /* too mayn args -> fail */
 110                         DEBUG(0,("net_password_set: too many args [%d]\n",argc));
 111                         return net_password_usage(ctx, argc, argv);
 112         }
 113
 114         if ((p = strchr_m(tmp,'\\'))) {
 115                 *p = 0;
 116                 domain_name = tmp;
 117                 account_name = talloc_strdup(ctx->mem_ctx, p+1);
 118         } else {
 119                 account_name = tmp;
 120                 domain_name = ctx->user.domain_name;
 121         }
 122
 123         if (!new_password) {
 124                 password_prompt = talloc_asprintf(ctx->mem_ctx, "Enter new password for account [%s\\%s]:",
 125                                                         domain_name, account_name);
 126                 new_password = getpass(password_prompt);
 127         }
 128
 129         libnetctx = libnet_context_init();
 130         if (!libnetctx) {
 131                 return -1;
 132         }
 133         libnetctx->user.account_name    = ctx->user.account_name;
 134         libnetctx->user.domain_name     = ctx->user.domain_name;
 135         libnetctx->user.password        = ctx->user.password;
 136
 137         /* prepare password change */
 138         r.generic.level                 = LIBNET_SET_PASSWORD_GENERIC;
 139         r.generic.in.account_name       = account_name;
 140         r.generic.in.domain_name        = domain_name;
 141         r.generic.in.newpassword        = new_password;
 142
 143         /* do password change */
 144         status = libnet_SetPassword(libnetctx, ctx->mem_ctx, &r);
 145         if (!NT_STATUS_IS_OK(status)) {
 146                 DEBUG(0,("net_password_set: %s\n",r.generic.out.error_string));
 147                 return -1;
 148         }
 149
 150         libnet_context_destroy(&libnetctx);
 151
 152         return 0;
 153 }
 154
 155 static int net_password_set_usage(struct net_context *ctx, int argc, const char **argv)
 156 {
 157         d_printf("net_password_set_usage: TODO\n");
 158         return 0;
 159 }
 160
 161 static int net_password_set_help(struct net_context *ctx, int argc, const char **argv)
 162 {
 163         d_printf("net_password_set_help: TODO\n");
 164         return 0;
 165 }
 166
 167 static const struct net_functable net_password_functable[] = {
 168         {"change", net_password_change, net_password_change_usage,  net_password_change_help},
 169         {"set", net_password_set, net_password_set_usage,  net_password_set_help},
 170         {"help", net_password_help, net_password_help, net_password_help},
 171         {NULL, NULL}
 172 };
 173
 174 int net_password(struct net_context *ctx, int argc, const char **argv)
 175 {
 176         return net_run_function(ctx, argc, argv, net_password_functable, net_password_usage);
 177 }
 178
 179 int net_password_usage(struct net_context *ctx, int argc, const char **argv)
 180 {
 181         d_printf("net password <command> [options]\n");
 182         return 0;
 183 }
 184
 185 int net_password_help(struct net_context *ctx, int argc, const char **argv)
 186 {
 187         d_printf("Account password handling:\n");
 188         d_printf("\tchange\t\tchanges password (old password required)\n");
 189         d_printf("\tset\t\tsets password\n");
 190         return 0;
 191 }