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path: root/source4/lib/cmdline/popt_credentials.c
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/* 
   Unix SMB/CIFS implementation.
   Credentials popt routines

   Copyright (C) Jelmer Vernooij 2002,2003,2005

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"
#include "version.h"
#include "system/filesys.h"
#include "system/passwd.h"
#include "lib/cmdline/popt_common.h"

/* Handle command line options:
 *		-U,--user
 *		-A,--authentication-file
 *		-k,--use-kerberos
 *		-N,--no-pass
 *		-S,--signing
 *      -P --machine-pass
 */


static BOOL dont_ask;

enum opt { OPT_SIMPLE_BIND_DN };

/*
  disable asking for a password
*/
void popt_common_dont_ask(void)
{
	dont_ask = True;
}

static void popt_common_credentials_callback(poptContext con, 
						enum poptCallbackReason reason,
						const struct poptOption *opt,
						const char *arg, const void *data)
{
	if (reason == POPT_CALLBACK_REASON_PRE) {
		cmdline_credentials = cli_credentials_init(talloc_autofree_context());
		return;
	}
	
	if (reason == POPT_CALLBACK_REASON_POST) {
		cli_credentials_guess(cmdline_credentials);

		if (!dont_ask) {
			cli_credentials_set_cmdline_callbacks(cmdline_credentials);
		}
		return;
	}

	switch(opt->val) {
	case 'U':
		{
			char *lp;

			cli_credentials_parse_string(cmdline_credentials, arg, CRED_SPECIFIED);
			/* This breaks the abstraction, including the const above */
			if ((lp=strchr_m(arg,'%'))) {
				lp[0]='\0';
				lp++;
				memset(lp,0,strlen(lp));
			}
		}
		break;

	case 'A':
		cli_credentials_parse_file(cmdline_credentials, arg, CRED_SPECIFIED);
		break;

	case 'S':
		lp_set_cmdline("client signing", arg);
		break;

	case 'P':
		/* Later, after this is all over, get the machine account details from the secrets.ldb */
		cli_credentials_set_machine_account_pending(cmdline_credentials);
		
		/* machine accounts only work with kerberos (fall though)*/
		break;
	case OPT_SIMPLE_BIND_DN:
		cli_credentials_set_bind_dn(cmdline_credentials, arg);
		break;
	}
}



struct poptOption popt_common_credentials[] = {
	{ NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE|POPT_CBFLAG_POST, popt_common_credentials_callback },
	{ "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN\\]USERNAME[%PASSWORD]" },
	{ "no-pass", 'N', POPT_ARG_NONE, &dont_ask, True, "Don't ask for a password" },
	{ "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" },
	{ "signing", 'S', POPT_ARG_STRING, NULL, 'S', "Set the client signing state", "on|off|required" },
	{ "machine-pass", 'P', POPT_ARG_NONE, NULL, 'P', "Use stored machine account password (implies -k)" },
	{ "simple-bind-dn", 0, POPT_ARG_STRING, NULL, OPT_SIMPLE_BIND_DN, "DN to use for a simple bind" },
	POPT_TABLEEND
};