src/core/sip-sec-ntlm-analyzer.c

   1 /**
   2  * @file sip-sec-ntlm-analyzer.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2013 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  *
  24  * Takes Base64-encoded gssapi-data= values from NTLM authentication attempt
  25  * on the command line and prints out the NTLM message contents in human readable
  26  * format.
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 #include <stdlib.h>
  34 #include <stdarg.h>
  35
  36 #include <glib.h>
  37 #include <glib/gprintf.h>
  38
  39 #include "sipe-common.h"
  40 #define _SIPE_COMPILING_ANALYZER
  41 #include "sip-sec-ntlm.c"
  42
  43 /* stub functions */
  44 void sipe_backend_debug(SIPE_UNUSED_PARAMETER sipe_debug_level level,
  45                         const gchar *format,
  46                         ...)
  47 {
  48         va_list ap;
  49         va_start(ap, format);
  50         vprintf(format, ap);
  51         va_end(ap);
  52 }
  53
  54 gboolean sipe_strequal(const gchar *left, const gchar *right)
  55 {
  56 #if GLIB_CHECK_VERSION(2,16,0)
  57         return (g_strcmp0(left, right) == 0);
  58 #else
  59         return ((left == NULL && right == NULL) ||
  60                 (left != NULL && right != NULL && strcmp(left, right) == 0));
  61 #endif
  62 }
  63
  64 /* copied from sipe-utils.c */
  65 char *buff_to_hex_str(const guint8 *buff, const size_t buff_len)
  66 {
  67         char *res;
  68         size_t i, j;
  69
  70         if (!buff) return NULL;
  71
  72         res = g_malloc(buff_len * 2 + 1);
  73         for (i = 0, j = 0; i < buff_len; i++, j+=2) {
  74                 sprintf(&res[j], "%02X", buff[i]);
  75         }
  76         res[j] = '\0';
  77         return res;
  78 }
  79
  80 int main(int argc, char *argv[])
  81 {
  82         if (argc < 2) {
  83                 fprintf(stderr, "Usage: %s <gssapi-data> ...\n", argv[0]);
  84                 return(1);
  85         }
  86
  87         sip_sec_init__ntlm();
  88
  89         while (--argc > 0) {
  90                 const gchar *base64 = *++argv;
  91                 SipSecBuffer buffer;
  92
  93                 printf("Base64: %s\n", base64);
  94                 buffer.value = g_base64_decode(base64, &buffer.length);
  95                 if (buffer.value && buffer.length) {
  96                         printf("Decoded %" G_GSIZE_FORMAT " bytes\n", buffer.length);
  97                         sip_sec_ntlm_message_describe(&buffer, "analyzed");
  98                         printf("-------------------------------------------------------------------------------\n");
  99                         g_free(buffer.value);
 100                 } else {
 101                         printf("Corrupted Base64 - skipping\n");
 102                 }
 103         }
 104
 105         sip_sec_destroy__ntlm();
 106
 107         return(0);
 108 }
 109
 110 /*
 111   Local Variables:
 112   mode: c
 113   c-file-style: "bsd"
 114   indent-tabs-mode: t
 115   tab-width: 8
 116   End:
 117 */