/*
 * (C) 2002 Guido Serassio <serassio@libero.it>
 * Based on previous work of Francesco Chemolli, Robert Collins and Andrew Doran
 *
 * Distributed freely under the terms of the GNU General Public License,
 * version 2. See the file COPYING for licensing details
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 */

#ifndef _NTLM_H_
#define _NTLM_H_

#include "sspwin32.h"
#include <windows.h>
#include <sspi.h>
#include <security.h>
#include "ntlmauth.h"
#undef debug

/************* CONFIGURATION ***************/
/*
 * define this if you want debugging
 */
#ifndef DEBUG
#define DEBUG
#endif

#define FAIL_DEBUG 0

/************* END CONFIGURATION ***************/

#include <sys/types.h>

extern int debug_enabled;
#if FAIL_DEBUG
extern int fail_debug_enabled;
#endif

/* Debugging stuff */

#ifdef __GNUC__			/* this is really a gcc-ism */
#ifdef DEBUG
#include <stdio.h>
#include <unistd.h>
static char *__foo;
#define debug(X...) if (debug_enabled) { \
                    fprintf(stderr,"mswin_ntlm_auth[%d](%s:%d): ", getpid(), \
                    ((__foo=strrchr(__FILE__,'/'))==NULL?__FILE__:__foo+1),\
                    __LINE__);\
                    fprintf(stderr,X); }
#else /* DEBUG */
#define debug(X...)		/* */
#endif /* DEBUG */
#else /* __GNUC__ */
static void
debug(char *format,...)
{
#ifdef DEBUG
#ifdef _SQUID_MSWIN_
#if FAIL_DEBUG
    if (debug_enabled || fail_debug_enabled) {
#else
    if (debug_enabled) {
#endif
	va_list args;

	va_start(args, format);
	fprintf(stderr, "mswin_ntlm_auth[%d]: ", getpid());
	vfprintf(stderr, format, args);
	va_end(args);
#if FAIL_DEBUG
	fail_debug_enabled = 0;
#endif
    }
#endif /* _SQUID_MSWIN_ */
#endif /* DEBUG */
}
#endif /* __GNUC__ */


/* A couple of harmless helper macros */
#define SEND(X) debug("sending '%s' to squid\n",X); printf(X "\n");
#ifdef __GNUC__
#define SEND2(X,Y...) debug("sending '" X "' to squid\n",Y); printf(X "\n",Y);
#else
/* no gcc, no debugging. varargs macros are a gcc extension */
#define SEND2(X,Y) debug("sending '" X "' to squid\n",Y); printf(X "\n",Y);
#endif

extern char *NTAllowedGroup;
extern char *NTDisAllowedGroup;
extern int UseDisallowedGroup;
extern int UseAllowedGroup;
extern int ntlm_errno;

#define NTLM_NO_ERROR 0
#define NTLM_SSPI_ERROR 1
#define NTLM_BAD_NTGROUP 2
#define NTLM_BAD_REQUEST 3

#define NEGOTIATE_LENGTH 16

extern void uc(char *);

extern const char *ntlm_make_negotiate(void);
extern char *ntlm_check_auth(ntlm_authenticate * auth, int auth_length);
extern void hex_dump(void *, int);

#define safe_free(x)	if (x) { free(x); x = NULL; }

#endif /* _NTLM_H_ */
