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Viewing changes to source4/lib/cmdline/popt_credentials.c

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
Initial version

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source4/lib/cmdline/popt_credentials.c
 
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/* 
 
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   Unix SMB/CIFS implementation.
 
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   Credentials popt routines
 
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   Copyright (C) Jelmer Vernooij 2002,2003,2005
 
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   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; either version 3 of the License, or
 
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   (at your option) any later version.
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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*/
 
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#include "includes.h"
 
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#include "lib/cmdline/popt_common.h"
 
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#include "lib/cmdline/credentials.h"
 
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#include "auth/credentials/credentials.h"
 
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#include "auth/gensec/gensec.h"
 
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#include "param/param.h"
 
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/* Handle command line options:
 
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 *              -U,--user
 
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 *              -A,--authentication-file
 
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 *              -k,--use-kerberos
 
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 *              -N,--no-pass
 
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 *              -S,--signing
 
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 *              -P --machine-pass
 
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 *                 --simple-bind-dn
 
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 *                 --password
 
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 */
 
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static bool dont_ask;
 
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enum opt { OPT_SIMPLE_BIND_DN, OPT_PASSWORD, OPT_KERBEROS };
 
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/*
 
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  disable asking for a password
 
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*/
 
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void popt_common_dont_ask(void)
 
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{
 
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        dont_ask = true;
 
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}
 
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static void popt_common_credentials_callback(poptContext con, 
 
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                                                enum poptCallbackReason reason,
 
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                                                const struct poptOption *opt,
 
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                                                const char *arg, const void *data)
 
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{
 
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        if (reason == POPT_CALLBACK_REASON_PRE) {
 
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                cmdline_credentials = cli_credentials_init(talloc_autofree_context());
 
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                return;
 
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        }
 
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        if (reason == POPT_CALLBACK_REASON_POST) {
 
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                cli_credentials_guess(cmdline_credentials, cmdline_lp_ctx);
 
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                if (!dont_ask) {
 
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                        cli_credentials_set_cmdline_callbacks(cmdline_credentials);
 
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                }
 
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                return;
 
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        }
 
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        switch(opt->val) {
 
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        case 'U':
 
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        {
 
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                char *lp;
 
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                cli_credentials_parse_string(cmdline_credentials, arg, CRED_SPECIFIED);
 
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                /* This breaks the abstraction, including the const above */
 
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                if ((lp=strchr_m(arg,'%'))) {
 
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                        lp[0]='\0';
 
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                        lp++;
 
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                        /* Try to prevent this showing up in ps */
 
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                        memset(lp,0,strlen(lp));
 
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                }
 
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        }
 
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        break;
 
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        case OPT_PASSWORD:
 
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                cli_credentials_set_password(cmdline_credentials, arg, CRED_SPECIFIED);
 
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                /* Try to prevent this showing up in ps */
 
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                memset(discard_const(arg),0,strlen(arg));
 
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                break;
 
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        case 'A':
 
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                cli_credentials_parse_file(cmdline_credentials, arg, CRED_SPECIFIED);
 
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                break;
 
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        case 'P':
 
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                /* Later, after this is all over, get the machine account details from the secrets.ldb */
 
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                cli_credentials_set_machine_account_pending(cmdline_credentials, cmdline_lp_ctx);
 
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                break;
 
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        case OPT_KERBEROS:
 
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        {
 
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                bool use_kerberos = true;
 
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                /* Force us to only use kerberos */
 
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                if (arg) {
 
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                        if (!set_boolean(arg, &use_kerberos)) {
 
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                                fprintf(stderr, "Error parsing -k %s\n", arg);
 
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                                exit(1);
 
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                                break;
 
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                        }
 
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                }
 
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                cli_credentials_set_kerberos_state(cmdline_credentials, 
 
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                                                   use_kerberos 
 
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                                                   ? CRED_MUST_USE_KERBEROS
 
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                                                   : CRED_DONT_USE_KERBEROS);
 
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                break;
 
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        }
 
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        case OPT_SIMPLE_BIND_DN:
 
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                cli_credentials_set_bind_dn(cmdline_credentials, arg);
 
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                break;
 
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        }
 
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}
 
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struct poptOption popt_common_credentials[] = {
 
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        { NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE|POPT_CBFLAG_POST, (void *)popt_common_credentials_callback },
 
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        { "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
 
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        { "no-pass", 'N', POPT_ARG_NONE, &dont_ask, 'N', "Don't ask for a password" },
 
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        { "password", 0, POPT_ARG_STRING, NULL, OPT_PASSWORD, "Password" },
 
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        { "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" },
 
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        { "machine-pass", 'P', POPT_ARG_NONE, NULL, 'P', "Use stored machine account password (implies -k)" },
 
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        { "simple-bind-dn", 0, POPT_ARG_STRING, NULL, OPT_SIMPLE_BIND_DN, "DN to use for a simple bind" },
 
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        { "kerberos", 'k', POPT_ARG_STRING, NULL, OPT_KERBEROS, "Use Kerberos" },
 
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        { NULL }
 
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};