src/core/sipe-tls-analyzer.c

   1 /**
   2  * @file sipe-tls-analyzer.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2015 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 TLS-DSK authentication attempt
  25  * on the command line and prints out the TLS 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 #include "sipe-utils.h"
  41 #define _SIPE_COMPILING_ANALYZER
  42 #include "sipe-tls.c"
  43
  44 /* stub functions */
  45 void sipe_backend_debug_literal(SIPE_UNUSED_PARAMETER sipe_debug_level level,
  46                                 const gchar *msg)
  47 {
  48         printf("%s", msg);
  49 }
  50
  51 void sipe_backend_debug(SIPE_UNUSED_PARAMETER sipe_debug_level level,
  52                         const gchar *format,
  53                         ...)
  54 {
  55         va_list ap;
  56         va_start(ap, format);
  57         vprintf(format, ap);
  58         va_end(ap);
  59 }
  60
  61 int main(int argc, char *argv[])
  62 {
  63         struct tls_internal_state *state;
  64
  65         if (argc < 2) {
  66                 fprintf(stderr, "Usage: %s <gssapi-data> ...\n", argv[0]);
  67                 return(1);
  68         }
  69
  70         state = g_new0(struct tls_internal_state, 1);
  71         state->debug = g_string_new("");
  72
  73         while (--argc > 0) {
  74                 const gchar *base64 = *++argv;
  75                 guchar *buffer;
  76
  77                 printf("Base64: %s\n", base64);
  78                 buffer = g_base64_decode(base64, &state->common.in_length);
  79                 if (buffer && state->common.in_length) {
  80                         printf("Decoded %" G_GSIZE_FORMAT " bytes\n",
  81                                state->common.in_length);
  82                         state->common.in_buffer = buffer;
  83                         tls_record_parse(state, TRUE, 0);
  84                         free_parse_data(state);
  85                         printf("-------------------------------------------------------------------------------\n");
  86                         g_free(buffer);
  87                 } else {
  88                         printf("Corrupted Base64 - skipping\n");
  89                 }
  90         }
  91
  92         g_string_free(state->debug, TRUE);
  93         g_free(state);
  94
  95         return(0);
  96 }
  97
  98 /*
  99   Local Variables:
 100   mode: c
 101   c-file-style: "bsd"
 102   indent-tabs-mode: t
 103   tab-width: 8
 104   End:
 105 */