source4/lib/cmdline/popt_credentials.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Credentials popt routines
   4
   5    Copyright (C) Jelmer Vernooij 2002,2003,2005
   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 "version.h"
  24 #include "system/filesys.h"
  25 #include "system/passwd.h"
  26 #include "lib/cmdline/popt_common.h"
  27
  28 /* Handle command line options:
  29  *              -U,--user
  30  *              -A,--authentication-file
  31  *              -k,--use-kerberos
  32  *              -N,--no-pass
  33  *              -S,--signing
  34  *      -P --machine-pass
  35  */
  36
  37
  38 static BOOL dont_ask;
  39
  40 enum opt { OPT_SIMPLE_BIND_DN };
  41
  42 /*
  43   disable asking for a password
  44 */
  45 void popt_common_dont_ask(void)
  46 {
  47         dont_ask = True;
  48 }
  49
  50 static void popt_common_credentials_callback(poptContext con,
  51                                                 enum poptCallbackReason reason,
  52                                                 const struct poptOption *opt,
  53                                                 const char *arg, const void *data)
  54 {
  55         if (reason == POPT_CALLBACK_REASON_PRE) {
  56                 cmdline_credentials = cli_credentials_init(talloc_autofree_context());
  57                 return;
  58         }
  59
  60         if (reason == POPT_CALLBACK_REASON_POST) {
  61                 cli_credentials_guess(cmdline_credentials);
  62
  63                 if (!dont_ask) {
  64                         cli_credentials_set_cmdline_callbacks(cmdline_credentials);
  65                 }
  66                 return;
  67         }
  68
  69         switch(opt->val) {
  70         case 'U':
  71                 {
  72                         char *lp;
  73
  74                         cli_credentials_parse_string(cmdline_credentials, arg, CRED_SPECIFIED);
  75                         /* This breaks the abstraction, including the const above */
  76                         if ((lp=strchr_m(arg,'%'))) {
  77                                 lp[0]='\0';
  78                                 lp++;
  79                                 memset(lp,0,strlen(lp));
  80                         }
  81                 }
  82                 break;
  83
  84         case 'A':
  85                 cli_credentials_parse_file(cmdline_credentials, arg, CRED_SPECIFIED);
  86                 break;
  87
  88         case 'S':
  89                 lp_set_cmdline("client signing", arg);
  90                 break;
  91
  92         case 'P':
  93                 /* Later, after this is all over, get the machine account details from the secrets.ldb */
  94                 cli_credentials_set_machine_account_pending(cmdline_credentials);
  95
  96                 /* machine accounts only work with kerberos (fall though)*/
  97                 break;
  98         case OPT_SIMPLE_BIND_DN:
  99                 cli_credentials_set_bind_dn(cmdline_credentials, arg);
 100                 break;
 101         }
 102 }
 103
 104
 105
 106 struct poptOption popt_common_credentials[] = {
 107         { NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE|POPT_CBFLAG_POST, popt_common_credentials_callback },
 108         { "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN\\]USERNAME[%PASSWORD]" },
 109         { "no-pass", 'N', POPT_ARG_NONE, &dont_ask, True, "Don't ask for a password" },
 110         { "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" },
 111         { "signing", 'S', POPT_ARG_STRING, NULL, 'S', "Set the client signing state", "on|off|required" },
 112         { "machine-pass", 'P', POPT_ARG_NONE, NULL, 'P', "Use stored machine account password (implies -k)" },
 113         { "simple-bind-dn", 0, POPT_ARG_STRING, NULL, OPT_SIMPLE_BIND_DN, "DN to use for a simple bind" },
 114         POPT_TABLEEND
 115 };