Changed code to use C++ functions, and select Panging Requests starting from message type byte - the effect will be probably shorter and easier to read code.
This commit is contained in:
ptrkrysik
parent
bdc7a2dd76
commit
03da5c6b2a
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@ -2,22 +2,22 @@
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/* @file
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* @author Piotr Krysik <ptrkrysik@gmail.com>
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* @section LICENSE
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*
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*
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* Gr-gsm is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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*
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* Gr-gsm is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with gr-gsm; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*
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*
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*/
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#ifdef HAVE_CONFIG_H
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@ -27,353 +27,159 @@
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#include <gnuradio/io_signature.h>
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#include "tmsi_dumper_impl.h"
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#include "grgsm/gsmtap.h"
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#include <stdio.h>
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#include <ctime>
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FILE* tmsiFile;
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#include <iostream>
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#include <boost/format.hpp>
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namespace gr {
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namespace gsm {
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void tmsi_dumper_impl::dump_tmsi(pmt::pmt_t msg)
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{
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time_t now = time(0);
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tm *ltm = localtime(&now);
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pmt::pmt_t message_plus_header_blob = pmt::cdr(msg);
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uint8_t * message_plus_header = (uint8_t *)pmt::blob_data(message_plus_header_blob);
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size_t message_plus_header_len=pmt::blob_length(message_plus_header_blob);
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gsmtap_hdr * header = (gsmtap_hdr *)message_plus_header;
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int ii=sizeof(gsmtap_hdr);
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namespace gsm {
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switch(message_plus_header[ii]){
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case 37:
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//1 tmsi 6-9
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if((unsigned char)message_plus_header[ii+1] == 6 && (unsigned char)message_plus_header[ii+2] == 33)
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{
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if((unsigned char)message_plus_header[ii+6] != 43 && (unsigned char)message_plus_header[ii+6] != 43)
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{
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//printf("INSIDE 37\n");
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02i%02i%02i%02i%02i%02i-%i\n",
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,
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0);
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fclose(tmsiFile);
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}
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}
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break;
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case 49:
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if(message_plus_header[ii+2] == 33)//21 hex
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{
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//printf("INSIDE 49\n");
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//1 imsi 5-12 33
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tmsiFile = fopen("tmsicount.txt", "a");
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fprintf(tmsiFile,"%i-%02i%02i%02i%02i%02i%02i-%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x\n",0,
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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(unsigned char)message_plus_header[ii+12]);
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fclose(tmsiFile);
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}
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break;
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case 65:
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//printf("INSIDE 65\n"); (41 hex) (65 int) 6-8 13-16
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if(message_plus_header[ii+2] == 33)//21 hex
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{
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n",
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+13],
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(unsigned char)message_plus_header[ii+14],
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(unsigned char)message_plus_header[ii+15],
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(unsigned char)message_plus_header[ii+16],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0);
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fclose(tmsiFile);
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}
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break;
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case 73:
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//printf("INSIDE 73\n");
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//3 tmsi 4-7 8-11 15-18
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if(message_plus_header[ii+2] == 34)
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{
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n",
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(unsigned char)message_plus_header[ii+4],
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+15],
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(unsigned char)message_plus_header[ii+16],
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(unsigned char)message_plus_header[ii+17],
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(unsigned char)message_plus_header[ii+18],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0);
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fclose(tmsiFile);
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}
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break;
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case 77:
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if(message_plus_header[ii+2] == 33 && message_plus_header[ii+4] == 8)
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{
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//1 imsi 1 tmsi 5-12 16-19
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//printf("INSIDE 77 + 33 + 8\n");
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x\n",
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(unsigned char)message_plus_header[ii+16],
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(unsigned char)message_plus_header[ii+17],
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(unsigned char)message_plus_header[ii+18],
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(unsigned char)message_plus_header[ii+19],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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(unsigned char)message_plus_header[ii+12]);
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fclose(tmsiFile);
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}
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else if(message_plus_header[ii+2] == 33 && message_plus_header[ii+4] == 5)
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{
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//1 tmsi 1 imsi 6-9 12-19
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//printf("INSIDE 77 + 33 + 5\n");
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x%02.2x\n",
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,
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(unsigned char)message_plus_header[ii+12],
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(unsigned char)message_plus_header[ii+13],
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(unsigned char)message_plus_header[ii+14],
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(unsigned char)message_plus_header[ii+15],
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(unsigned char)message_plus_header[ii+16],
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(unsigned char)message_plus_header[ii+17],
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(unsigned char)message_plus_header[ii+18],
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(unsigned char)message_plus_header[ii+19]);
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fclose(tmsiFile);
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}
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else if(message_plus_header[ii+2] == 34)
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{
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//printf("INSIDE 77 + 34\n");
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n",
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(unsigned char)message_plus_header[ii+4],
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+15],
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(unsigned char)message_plus_header[ii+16],
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(unsigned char)message_plus_header[ii+17],
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(unsigned char)message_plus_header[ii+18],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0);
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fclose(tmsiFile);
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}
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else if(message_plus_header[ii+2] == 36)
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{
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//printf("INSIDE 77 + 36\n");
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n",
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(unsigned char)message_plus_header[ii+4],
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+12],
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(unsigned char)message_plus_header[ii+13],
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(unsigned char)message_plus_header[ii+14],
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(unsigned char)message_plus_header[ii+15],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+16],
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(unsigned char)message_plus_header[ii+17],
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(unsigned char)message_plus_header[ii+18],
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(unsigned char)message_plus_header[ii+19],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0);
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fclose(tmsiFile);
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}
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break;
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case 85:
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if(message_plus_header[ii+2] == 34)//hex 22
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{
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//printf("INSIDE 85\n");// hex is 55
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tmsiFile = fopen("tmsicount.txt", "a+");
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fprintf(tmsiFile,"%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n%02.2x%02.2x%02.2x%02.2x-%02d%02d%02d%02d%02d%02d-%i\n",
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(unsigned char)message_plus_header[ii+4],
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(unsigned char)message_plus_header[ii+5],
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(unsigned char)message_plus_header[ii+6],
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(unsigned char)message_plus_header[ii+7],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0,
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(unsigned char)message_plus_header[ii+8],
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(unsigned char)message_plus_header[ii+9],
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(unsigned char)message_plus_header[ii+10],
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(unsigned char)message_plus_header[ii+11],
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1900 + ltm->tm_year-2000,
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1+ltm->tm_mon,
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ltm->tm_mday,
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ltm->tm_hour,
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ltm->tm_min,
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ltm->tm_sec,0);
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fclose(tmsiFile);
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}
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break;
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}
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std::cout << std::endl;
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}
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void tmsi_dumper_impl::dump_tmsi(pmt::pmt_t msg)
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{
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time_t t = time(0);
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tm *now = localtime(&t);
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tmsi_dumper::sptr
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tmsi_dumper::make()
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{
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return gnuradio::get_initial_sptr
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(new tmsi_dumper_impl());
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}
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pmt::pmt_t message_plus_header_blob = pmt::cdr(msg);
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uint8_t * message_plus_header = (uint8_t *)pmt::blob_data(message_plus_header_blob);
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gsmtap_hdr * header = (gsmtap_hdr *)message_plus_header;
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uint8_t * m = (uint8_t *)(message_plus_header+sizeof(gsmtap_hdr)); //message content
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/*
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* The private constructor
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*/
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tmsi_dumper_impl::tmsi_dumper_impl()
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: gr::block("tmsi_dumper",
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gr::io_signature::make(0, 0, 0),
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gr::io_signature::make(0, 0, 0))
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{
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message_port_register_in(pmt::mp("msgs"));
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set_msg_handler(pmt::mp("msgs"), boost::bind(&tmsi_dumper_impl::dump_tmsi, this, _1));
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}
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uint8_t msg_len = m[0];
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uint8_t direction_and_protocol = m[1];
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uint8_t msg_type = m[2];
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/*
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||||
* Our virtual destructor.
|
||||
*/
|
||||
tmsi_dumper_impl::~tmsi_dumper_impl()
|
||||
if( direction_and_protocol == 0x06 && //direction from originating site, transaction id==0, Radio Resouce Management protocol
|
||||
(msg_type==0x21 || msg_type==0x22 || msg_type==0x24) //types corresponding to paging requests
|
||||
)
|
||||
{
|
||||
switch(msg_type) {
|
||||
case 0x21: //Paging Request Type 1
|
||||
{
|
||||
uint8_t mobile_identity_type = m[5] & 0x07;
|
||||
unsigned int next_element = 0; //position of the next element
|
||||
bool found_id_element = false;
|
||||
|
||||
if(mobile_identity_type == 0x04) //identity type: TMSI
|
||||
{
|
||||
write_tmsi(m+6);
|
||||
dump_file << "-";
|
||||
write_timestamp(now);
|
||||
dump_file << "-0";
|
||||
dump_file << std::endl;
|
||||
|
||||
next_element = 10;
|
||||
found_id_element = true;
|
||||
} else
|
||||
if(mobile_identity_type == 0x01) //identity type: IMSI
|
||||
{
|
||||
dump_file << "0-";
|
||||
write_timestamp(now);
|
||||
dump_file << "-";
|
||||
write_imsi(m+5);
|
||||
dump_file << std::endl;
|
||||
|
||||
next_element = 13;
|
||||
found_id_element = true;
|
||||
}
|
||||
|
||||
if(found_id_element == true)
|
||||
{
|
||||
//check if there is additional id element
|
||||
uint8_t element_id = m[next_element];
|
||||
if((next_element < (msg_len+1)) && (element_id == 0x17)){
|
||||
uint8_t element_len = m[next_element+1];
|
||||
mobile_identity_type = m[next_element+2] & 0x07;
|
||||
if(mobile_identity_type == 0x04) //identity type: TMSI
|
||||
{
|
||||
write_tmsi(m+next_element+3); //write starting from position of the TMSI in the message
|
||||
dump_file << "-";
|
||||
write_timestamp(now);
|
||||
dump_file << "-0";
|
||||
dump_file << std::endl;
|
||||
} else
|
||||
if(mobile_identity_type == 0x01) //identity type: IMSI
|
||||
{
|
||||
dump_file << "0-";
|
||||
write_timestamp(now);
|
||||
dump_file << "-";
|
||||
write_imsi(m+next_element+2); //write starting from position of the IMSI in the message
|
||||
dump_file << std::endl;
|
||||
}
|
||||
}
|
||||
int ii;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 0x22: //Paging Request Type 2
|
||||
break;
|
||||
case 0x24: //Paging Request Type 3
|
||||
break;
|
||||
}
|
||||
}
|
||||
} /* namespace gsm */
|
||||
}
|
||||
|
||||
inline void tmsi_dumper_impl::write_timestamp(tm * now)
|
||||
{
|
||||
dump_file << boost::format("%d%02d%02d%02d%02d%02d")
|
||||
% (now->tm_year + 1900) //year
|
||||
% (now->tm_mon + 1) //month
|
||||
% now->tm_mday //day
|
||||
% now->tm_hour % now->tm_min % now->tm_sec; //time of day
|
||||
return;
|
||||
}
|
||||
|
||||
inline int swap(uint8_t c)
|
||||
{
|
||||
uint8_t temp1, temp2;
|
||||
temp1 = c & 0x0F;
|
||||
temp2 = c & 0xF0;
|
||||
temp1=temp1 << 4;
|
||||
temp2=temp2 >> 4;
|
||||
return(temp2|temp1);
|
||||
}
|
||||
|
||||
void tmsi_dumper_impl::write_imsi(uint8_t * imsi)
|
||||
{
|
||||
dump_file << boost::format("%1x%02x%02x%02x%02x%02x%02x%02x")
|
||||
% (swap(imsi[0]) & 0x0f)
|
||||
% swap(imsi[1]) % swap(imsi[2]) % swap(imsi[3]) % swap(imsi[4]) % swap(imsi[5]) % swap(imsi[6]) % swap(imsi[7]);
|
||||
return;
|
||||
}
|
||||
|
||||
void tmsi_dumper_impl::write_tmsi(uint8_t * tmsi)
|
||||
{
|
||||
dump_file << boost::format("%02x%02x%02x%02x")
|
||||
% (int)tmsi[0] % (int)tmsi[1] % (int)tmsi[2] % (int)tmsi[3];
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
tmsi_dumper::sptr
|
||||
tmsi_dumper::make()
|
||||
{
|
||||
return gnuradio::get_initial_sptr
|
||||
(new tmsi_dumper_impl());
|
||||
}
|
||||
|
||||
/*
|
||||
* The private constructor
|
||||
*/
|
||||
tmsi_dumper_impl::tmsi_dumper_impl()
|
||||
: gr::block("tmsi_dumper",
|
||||
gr::io_signature::make(0, 0, 0),
|
||||
gr::io_signature::make(0, 0, 0))
|
||||
{
|
||||
dump_file.open("tmsicount.txt", std::ios_base::out);
|
||||
message_port_register_in(pmt::mp("msgs"));
|
||||
set_msg_handler(pmt::mp("msgs"), boost::bind(&tmsi_dumper_impl::dump_tmsi, this, _1));
|
||||
}
|
||||
|
||||
/*
|
||||
* Our virtual destructor.
|
||||
*/
|
||||
tmsi_dumper_impl::~tmsi_dumper_impl()
|
||||
{
|
||||
dump_file.close();
|
||||
}
|
||||
} /* namespace gsm */
|
||||
} /* namespace gr */
|
||||
|
||||
|
|
|
|||
|
|
@ -24,6 +24,8 @@
|
|||
#define INCLUDED_GSM_TMSI_DUMPER_IMPL_H
|
||||
|
||||
#include <grgsm/misc_utils/tmsi_dumper.h>
|
||||
#include <fstream>
|
||||
#include <ctime>
|
||||
|
||||
namespace gr {
|
||||
namespace gsm {
|
||||
|
|
@ -31,8 +33,11 @@ namespace gr {
|
|||
class tmsi_dumper_impl : public tmsi_dumper
|
||||
{
|
||||
private:
|
||||
std::ofstream dump_file;
|
||||
void dump_tmsi(pmt::pmt_t msg);
|
||||
|
||||
void write_timestamp(tm * now);
|
||||
void write_imsi(uint8_t * imsi);
|
||||
void write_tmsi(uint8_t * tmsi);
|
||||
public:
|
||||
tmsi_dumper_impl();
|
||||
~tmsi_dumper_impl();
|
||||
|
|
|
|||
Loading…
Reference in New Issue