/* * $Id: ntlm.h,v 1.7.2.1 2007/03/03 18:27:21 hno Exp $ * * AUTHOR: Andrew Doran <ad@interlude.eu.org> * * SQUID Web Proxy Cache          http://www.squid-cache.org/ * ---------------------------------------------------------- * *  Squid is the result of efforts by numerous individuals from *  the Internet community; see the CONTRIBUTORS file for full *  details.   Many organizations have provided support for Squid's *  development; see the SPONSORS file for full details.  Squid is *  Copyrighted (C) 2001 by the Regents of the University of *  California; see the COPYRIGHT file for full details.  Squid *  incorporates software developed and/or copyrighted by other *  sources; see the CREDITS file for full details. * *  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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. *   */#ifndef _NTLM_H_#define _NTLM_H_/* undefine this to have strict protocol adherence. You don't really need * that though */#define IGNORANCE_IS_BLISS#include <sys/types.h>/* All of this cruft is little endian */#ifdef WORDS_BIGENDIAN#define SSWAP(x)	(bswap16((x)))#define WSWAP(x)	(bswap32((x)))#else#define SSWAP(x)	(x)#define WSWAP(x)	(x)#endif/* NTLM request types that we know about */#define NTLM_ANY          0/* Negotiation request sent by client */struct ntlm_negotiate {    ntlmhdr hdr;		/* NTLM header */    int32_t flags;		/* Request flags */    strhdr domain;		/* Domain we wish to authenticate in */    strhdr workstation;		/* Client workstation name */    char pad[256];		/* String data */};/* Challenge request sent by server. */struct ntlm_challenge {    ntlmhdr hdr;		/* NTLM header */    strhdr target;		/* Authentication target (domain/server ...) */    int32_t flags;		/* Request flags */    u_char challenge[8];	/* Challenge string */    int16_t unknown[8];		/* Some sort of context data */    char pad[256];		/* String data */};/* Authentication request sent by client in response to challenge */struct ntlm_authenticate {    ntlmhdr hdr;		/* NTLM header */    strhdr lmresponse;		/* LANMAN challenge response */    strhdr ntresponse;		/* NT challenge response */    strhdr domain;		/* Domain to authenticate against */    strhdr user;		/* Username */    strhdr workstation;		/* Workstation name */    strhdr sessionkey;		/* Session key for server's use */    int32_t flags;		/* Request flags */    char pad[256 * 6];		/* String data */};char *ntlmGetString(ntlmhdr * hdr, strhdr * str, int flags);void ntlmMakeChallenge(struct ntlm_challenge *chal, int32_t flags);int ntlmCheckHeader(ntlmhdr * hdr, int type);int ntlmCheckNegotiation(struct ntlm_negotiate *neg);int ntlmAuthenticate(struct ntlm_authenticate *neg);#define safe_free(x)	if (x) { free(x); x = NULL; }#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_DEBUGextern int fail_debug_enabled;#endif/* Debugging stuff */#ifdef __GNUC__			/* this is really a gcc-ism */#ifdef DEBUG#include <stdio.h>#include <unistd.h>static const char *__foo;#define debug(X...) if (debug_enabled) { \                    fprintf(stderr,"fakeauth_auth[%ld](%s:%d): ", (long)getpid(), \                    ((__foo=strrchr(__FILE__,'/'))==NULL?__FILE__:__foo+1),\                    __LINE__);\                    fprintf(stderr,X); }#else /* DEBUG */#define debug(X...)		/* */#endif /* DEBUG */#else /* __GNUC__ */static voiddebug(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, "fakeauth_auth[%ld]: ", (long)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#endif /* _NTLM_H_ */