#240: Implemented block for extraction of information from cipher mode command messages
This commit is contained in:
parent
d527b3a574
commit
e5ddab3e1d
|
@ -58,6 +58,7 @@
|
||||||
<block>gsm_message_file_source</block>
|
<block>gsm_message_file_source</block>
|
||||||
<block>gsm_extract_system_info</block>
|
<block>gsm_extract_system_info</block>
|
||||||
<block>gsm_extract_immediate_assignment</block>
|
<block>gsm_extract_immediate_assignment</block>
|
||||||
|
<block>gsm_extract_cmc</block>
|
||||||
<block>gsm_controlled_rotator_cc</block>
|
<block>gsm_controlled_rotator_cc</block>
|
||||||
<block>gsm_controlled_fractional_resampler_cc</block>
|
<block>gsm_controlled_fractional_resampler_cc</block>
|
||||||
<block>gsm_message_printer</block>
|
<block>gsm_message_printer</block>
|
||||||
|
|
|
@ -20,6 +20,7 @@
|
||||||
install(FILES
|
install(FILES
|
||||||
gsm_extract_system_info.xml
|
gsm_extract_system_info.xml
|
||||||
gsm_extract_immediate_assignment.xml
|
gsm_extract_immediate_assignment.xml
|
||||||
|
gsm_extract_cmc.xml
|
||||||
gsm_controlled_rotator_cc.xml
|
gsm_controlled_rotator_cc.xml
|
||||||
gsm_message_printer.xml
|
gsm_message_printer.xml
|
||||||
gsm_bursts_printer.xml
|
gsm_bursts_printer.xml
|
||||||
|
|
|
@ -0,0 +1,20 @@
|
||||||
|
<?xml version="1.0"?>
|
||||||
|
<block>
|
||||||
|
<name>Extract Cipher Mode Command</name>
|
||||||
|
<key>gsm_extract_cmc</key>
|
||||||
|
<import>import grgsm</import>
|
||||||
|
<make>grgsm.extract_cmc()</make>
|
||||||
|
<sink>
|
||||||
|
<name>msgs</name>
|
||||||
|
<type>message</type>
|
||||||
|
</sink>
|
||||||
|
<doc>
|
||||||
|
Extracts the framenumber and the assigned encryption algorithm from Cipher Mode Commands.
|
||||||
|
|
||||||
|
Input: decoded control channel messages
|
||||||
|
|
||||||
|
The information can be retrieved using following functions:
|
||||||
|
get_frame_numbers(), get_a5_versions()
|
||||||
|
|
||||||
|
</doc>
|
||||||
|
</block>
|
|
@ -28,6 +28,7 @@ install(FILES
|
||||||
message_file_source.h
|
message_file_source.h
|
||||||
extract_system_info.h
|
extract_system_info.h
|
||||||
extract_immediate_assignment.h
|
extract_immediate_assignment.h
|
||||||
|
extract_cmc.h
|
||||||
controlled_rotator_cc.h
|
controlled_rotator_cc.h
|
||||||
message_printer.h
|
message_printer.h
|
||||||
tmsi_dumper.h
|
tmsi_dumper.h
|
||||||
|
|
|
@ -0,0 +1,59 @@
|
||||||
|
/* -*- c++ -*- */
|
||||||
|
/*
|
||||||
|
* @file
|
||||||
|
* @author Roman Khassraf <rkhassraf@gmail.com>
|
||||||
|
* @section LICENSE
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 3, or (at your option)
|
||||||
|
* any later version.
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
|
||||||
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef INCLUDED_GSM_EXTRACT_CMC_H
|
||||||
|
#define INCLUDED_GSM_EXTRACT_CMC_H
|
||||||
|
|
||||||
|
#include <grgsm/api.h>
|
||||||
|
#include <gnuradio/block.h>
|
||||||
|
#include <vector>
|
||||||
|
|
||||||
|
namespace gr {
|
||||||
|
namespace gsm {
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* \brief <+description of block+>
|
||||||
|
* \ingroup gsm
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
class GRGSM_API extract_cmc : virtual public gr::block
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
typedef boost::shared_ptr<extract_cmc> sptr;
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* \brief Return a shared_ptr to a new instance of gsm::extract_cmc.
|
||||||
|
*
|
||||||
|
* To avoid accidental use of raw pointers, gsm::extract_cmc's
|
||||||
|
* constructor is in a private implementation
|
||||||
|
* class. gsm::extract_cmc::make is the public interface for
|
||||||
|
* creating new instances.
|
||||||
|
*/
|
||||||
|
static sptr make();
|
||||||
|
virtual std::vector<int> get_framenumbers() = 0;
|
||||||
|
virtual std::vector<int> get_a5_versions() = 0;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace gsm
|
||||||
|
} // namespace gr
|
||||||
|
#endif /* INCLUDED_GSM_EXTRACT_CMC_H */
|
|
@ -62,6 +62,7 @@ list(APPEND grgsm_sources
|
||||||
misc_utils/bursts_printer_impl.cc
|
misc_utils/bursts_printer_impl.cc
|
||||||
misc_utils/extract_system_info_impl.cc
|
misc_utils/extract_system_info_impl.cc
|
||||||
misc_utils/extract_immediate_assignment_impl.cc
|
misc_utils/extract_immediate_assignment_impl.cc
|
||||||
|
misc_utils/extract_cmc_impl.cc
|
||||||
qa_utils/burst_sink_impl.cc
|
qa_utils/burst_sink_impl.cc
|
||||||
qa_utils/burst_source_impl.cc
|
qa_utils/burst_source_impl.cc
|
||||||
qa_utils/message_source_impl.cc
|
qa_utils/message_source_impl.cc
|
||||||
|
|
|
@ -0,0 +1,90 @@
|
||||||
|
/* -*- c++ -*- */
|
||||||
|
/*
|
||||||
|
* @file
|
||||||
|
* @author Roman Khassraf <rkhassraf@gmail.com>
|
||||||
|
* @section LICENSE
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 3, or (at your option)
|
||||||
|
* any later version.
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
|
||||||
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <gnuradio/io_signature.h>
|
||||||
|
#include <grgsm/gsmtap.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <grgsm/endian.h>
|
||||||
|
|
||||||
|
#include "extract_cmc_impl.h"
|
||||||
|
|
||||||
|
namespace gr {
|
||||||
|
namespace gsm {
|
||||||
|
void extract_cmc_impl::process_messages(pmt::pmt_t msg)
|
||||||
|
{
|
||||||
|
pmt::pmt_t message_plus_header_blob = pmt::cdr(msg);
|
||||||
|
uint8_t * message_plus_header = (uint8_t *)pmt::blob_data(message_plus_header_blob);
|
||||||
|
gsmtap_hdr * header = (gsmtap_hdr *)message_plus_header;
|
||||||
|
uint8_t * msg_elements = (uint8_t *)(message_plus_header+sizeof(gsmtap_hdr));
|
||||||
|
|
||||||
|
if((msg_elements[3] & 0xF) == 0x6 && msg_elements[4] == 0x35)
|
||||||
|
{
|
||||||
|
|
||||||
|
int frame_nr = be32toh(header->frame_number);
|
||||||
|
int a5_version = ((msg_elements[5] & 0xE) >> 1) + 1;
|
||||||
|
|
||||||
|
d_framenumbers.push_back(frame_nr);
|
||||||
|
d_a5_versions.push_back(a5_version);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
std::vector<int> extract_cmc_impl::get_framenumbers()
|
||||||
|
{
|
||||||
|
return d_framenumbers;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::vector<int> extract_cmc_impl::get_a5_versions()
|
||||||
|
{
|
||||||
|
return d_a5_versions;
|
||||||
|
}
|
||||||
|
|
||||||
|
extract_cmc::sptr
|
||||||
|
extract_cmc::make()
|
||||||
|
{
|
||||||
|
return gnuradio::get_initial_sptr
|
||||||
|
(new extract_cmc_impl());
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The private constructor
|
||||||
|
*/
|
||||||
|
extract_cmc_impl::extract_cmc_impl()
|
||||||
|
: gr::block("extract_cmc",
|
||||||
|
gr::io_signature::make(0, 0, 0),
|
||||||
|
gr::io_signature::make(0, 0, 0))
|
||||||
|
{
|
||||||
|
message_port_register_in(pmt::mp("msgs"));
|
||||||
|
set_msg_handler(pmt::mp("msgs"), boost::bind(&extract_cmc_impl::process_messages, this, _1));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Our virtual destructor.
|
||||||
|
*/
|
||||||
|
extract_cmc_impl::~extract_cmc_impl()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
} /* namespace gsm */
|
||||||
|
} /* namespace gr */
|
|
@ -0,0 +1,45 @@
|
||||||
|
/* -*- c++ -*- */
|
||||||
|
/*
|
||||||
|
* @file
|
||||||
|
* @author Roman Khassraf <rkhassraf@gmail.com>
|
||||||
|
* @section LICENSE
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 3, or (at your option)
|
||||||
|
* any later version.
|
||||||
|
*
|
||||||
|
* Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
|
||||||
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef INCLUDED_GSM_EXTRACT_CMC_IMPL_H
|
||||||
|
#define INCLUDED_GSM_EXTRACT_CMC_IMPL_H
|
||||||
|
|
||||||
|
#include <grgsm/misc_utils/extract_cmc.h>
|
||||||
|
#include <vector>
|
||||||
|
|
||||||
|
namespace gr {
|
||||||
|
namespace gsm {
|
||||||
|
class extract_cmc_impl : public extract_cmc
|
||||||
|
{
|
||||||
|
private:
|
||||||
|
void process_messages(pmt::pmt_t msg);
|
||||||
|
std::vector<int> d_framenumbers;
|
||||||
|
std::vector<int> d_a5_versions;
|
||||||
|
public:
|
||||||
|
virtual std::vector<int> get_framenumbers();
|
||||||
|
virtual std::vector<int> get_a5_versions();
|
||||||
|
extract_cmc_impl();
|
||||||
|
~extract_cmc_impl();
|
||||||
|
};
|
||||||
|
} // namespace gsm
|
||||||
|
} // namespace gr
|
||||||
|
#endif /* INCLUDED_GSM_EXTRACT_CMC_IMPL_H */
|
|
@ -31,6 +31,7 @@
|
||||||
#include "grgsm/misc_utils/tmsi_dumper.h"
|
#include "grgsm/misc_utils/tmsi_dumper.h"
|
||||||
#include "grgsm/misc_utils/burst_file_sink.h"
|
#include "grgsm/misc_utils/burst_file_sink.h"
|
||||||
#include "grgsm/misc_utils/burst_file_source.h"
|
#include "grgsm/misc_utils/burst_file_source.h"
|
||||||
|
#include "grgsm/misc_utils/extract_cmc.h"
|
||||||
#include "grgsm/qa_utils/burst_sink.h"
|
#include "grgsm/qa_utils/burst_sink.h"
|
||||||
#include "grgsm/qa_utils/burst_source.h"
|
#include "grgsm/qa_utils/burst_source.h"
|
||||||
#include "grgsm/qa_utils/message_source.h"
|
#include "grgsm/qa_utils/message_source.h"
|
||||||
|
@ -101,6 +102,8 @@ GR_SWIG_BLOCK_MAGIC2(gsm, message_file_source);
|
||||||
GR_SWIG_BLOCK_MAGIC2(gsm, msg_to_tag);
|
GR_SWIG_BLOCK_MAGIC2(gsm, msg_to_tag);
|
||||||
%include "grgsm/misc_utils/controlled_fractional_resampler_cc.h"
|
%include "grgsm/misc_utils/controlled_fractional_resampler_cc.h"
|
||||||
GR_SWIG_BLOCK_MAGIC2(gsm, controlled_fractional_resampler_cc);
|
GR_SWIG_BLOCK_MAGIC2(gsm, controlled_fractional_resampler_cc);
|
||||||
|
%include "grgsm/misc_utils/extract_cmc.h"
|
||||||
|
GR_SWIG_BLOCK_MAGIC2(gsm, extract_cmc);
|
||||||
|
|
||||||
|
|
||||||
%include "grgsm/qa_utils/burst_sink.h"
|
%include "grgsm/qa_utils/burst_sink.h"
|
||||||
|
|
Loading…
Reference in New Issue