r15356: Remove unused 'flags' argument from socket_send() and friends.
[bbaumbach/samba-autobuild/.git] / 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 "lib/cmdline/popt_common.h"
24 #include "lib/cmdline/credentials.h"
25 #include "auth/gensec/gensec.h"
26
27 /* Handle command line options:
28  *              -U,--user
29  *              -A,--authentication-file
30  *              -k,--use-kerberos
31  *              -N,--no-pass
32  *              -S,--signing
33  *              -P --machine-pass
34  *                 --simple-bind-dn
35  *                 --password
36  *                 --use-security-mechanisms
37  */
38
39
40 static BOOL dont_ask;
41
42 enum opt { OPT_SIMPLE_BIND_DN, OPT_PASSWORD, OPT_KERBEROS, OPT_GENSEC_MECHS };
43
44 /*
45   disable asking for a password
46 */
47 void popt_common_dont_ask(void)
48 {
49         dont_ask = True;
50 }
51
52 static void popt_common_credentials_callback(poptContext con, 
53                                                 enum poptCallbackReason reason,
54                                                 const struct poptOption *opt,
55                                                 const char *arg, const void *data)
56 {
57         if (reason == POPT_CALLBACK_REASON_PRE) {
58                 cmdline_credentials = cli_credentials_init(talloc_autofree_context());
59                 return;
60         }
61         
62         if (reason == POPT_CALLBACK_REASON_POST) {
63                 cli_credentials_guess(cmdline_credentials);
64
65                 if (!dont_ask) {
66                         cli_credentials_set_cmdline_callbacks(cmdline_credentials);
67                 }
68                 return;
69         }
70
71         switch(opt->val) {
72         case 'U':
73                 {
74                         char *lp;
75
76                         cli_credentials_parse_string(cmdline_credentials, arg, CRED_SPECIFIED);
77                         /* This breaks the abstraction, including the const above */
78                         if ((lp=strchr_m(arg,'%'))) {
79                                 lp[0]='\0';
80                                 lp++;
81                                 /* Try to prevent this showing up in ps */
82                                 memset(lp,0,strlen(lp));
83                         }
84                 }
85                 break;
86
87         case OPT_PASSWORD:
88                 cli_credentials_set_password(cmdline_credentials, arg, CRED_SPECIFIED);
89                 /* Try to prevent this showing up in ps */
90                 memset(discard_const(arg),0,strlen(arg));
91                 break;
92
93         case 'A':
94                 cli_credentials_parse_file(cmdline_credentials, arg, CRED_SPECIFIED);
95                 break;
96
97         case 'S':
98                 lp_set_cmdline("client signing", arg);
99                 break;
100
101         case 'P':
102                 /* Later, after this is all over, get the machine account details from the secrets.ldb */
103                 cli_credentials_set_machine_account_pending(cmdline_credentials);
104                 break;
105
106         case OPT_KERBEROS:
107         {
108                 BOOL use_kerberos = True;
109                 /* Force us to only use kerberos */
110                 if (arg) {
111                         if (!set_boolean(arg, &use_kerberos)) {
112                                 fprintf(stderr, "Error parsing -k %s\n", arg);
113                                 exit(1);
114                                 break;
115                         }
116                 }
117                 
118                 cli_credentials_set_kerberos_state(cmdline_credentials, 
119                                                    use_kerberos 
120                                                    ? CRED_MUST_USE_KERBEROS
121                                                    : CRED_DONT_USE_KERBEROS);
122                 break;
123         }
124         case OPT_GENSEC_MECHS:
125                 /* Convert a list of strings into a list of available authentication standards */
126                 
127                 break;
128                 
129         case OPT_SIMPLE_BIND_DN:
130                 cli_credentials_set_bind_dn(cmdline_credentials, arg);
131                 break;
132         }
133 }
134
135
136
137 struct poptOption popt_common_credentials[] = {
138         { NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE|POPT_CBFLAG_POST, popt_common_credentials_callback },
139         { "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN\\]USERNAME[%PASSWORD]" },
140         { "no-pass", 'N', POPT_ARG_NONE, &dont_ask, True, "Don't ask for a password" },
141         { "password", 0, POPT_ARG_STRING, NULL, OPT_PASSWORD, "Password" },
142         { "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" },
143         { "signing", 'S', POPT_ARG_STRING, NULL, 'S', "Set the client signing state", "on|off|required" },
144         { "machine-pass", 'P', POPT_ARG_NONE, NULL, 'P', "Use stored machine account password (implies -k)" },
145         { "simple-bind-dn", 0, POPT_ARG_STRING, NULL, OPT_SIMPLE_BIND_DN, "DN to use for a simple bind" },
146         { "kerberos", 'k', POPT_ARG_STRING, NULL, OPT_KERBEROS, "Use Kerberos" },
147         { "use-security-mechanisms", 0, POPT_ARG_STRING, NULL, OPT_GENSEC_MECHS, "Restricted list of authentication mechanisms available for use with this authentication"},
148         POPT_TABLEEND
149 };