mirror of
https://github.com/mfontanini/libtins
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127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
/*
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* Copyright (c) 2012, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "dot11/dot11_auth.h"
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#ifdef HAVE_DOT11
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#include <cassert>
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#include <cstring>
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namespace Tins {
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/* Auth */
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Dot11Authentication::Dot11Authentication(const address_type &dst_hw_addr,
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const address_type &src_hw_addr)
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: Dot11ManagementFrame(dst_hw_addr, src_hw_addr)
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{
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this->subtype(Dot11::AUTH);
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memset(&_body, 0, sizeof(_body));
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}
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Dot11Authentication::Dot11Authentication(const uint8_t *buffer, uint32_t total_sz)
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: Dot11ManagementFrame(buffer, total_sz)
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{
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uint32_t sz = management_frame_size();
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buffer += sz;
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total_sz -= sz;
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if(total_sz < sizeof(_body))
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throw malformed_packet();
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memcpy(&_body, buffer, sizeof(_body));
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buffer += sizeof(_body);
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total_sz -= sizeof(_body);
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parse_tagged_parameters(buffer, total_sz);
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}
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void Dot11Authentication::auth_algorithm(uint16_t new_auth_algorithm) {
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this->_body.auth_algorithm = Endian::host_to_le(new_auth_algorithm);
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}
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void Dot11Authentication::auth_seq_number(uint16_t new_auth_seq_number) {
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this->_body.auth_seq_number = Endian::host_to_le(new_auth_seq_number);
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}
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void Dot11Authentication::status_code(uint16_t new_status_code) {
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this->_body.status_code = Endian::host_to_le(new_status_code);
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}
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uint32_t Dot11Authentication::header_size() const {
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return Dot11ManagementFrame::header_size() + sizeof(_body);
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}
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uint32_t Dot11Authentication::write_fixed_parameters(uint8_t *buffer, uint32_t total_sz) {
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uint32_t sz = sizeof(this->_body);
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#ifdef TINS_DEBUG
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assert(sz <= total_sz);
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#endif
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memcpy(buffer, &this->_body, sz);
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return sz;
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}
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/* Deauth */
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Dot11Deauthentication::Dot11Deauthentication(const address_type &dst_hw_addr,
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const address_type &src_hw_addr)
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: Dot11ManagementFrame(dst_hw_addr, src_hw_addr)
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{
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this->subtype(Dot11::DEAUTH);
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memset(&_body, 0, sizeof(_body));
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}
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Dot11Deauthentication::Dot11Deauthentication(const uint8_t *buffer, uint32_t total_sz)
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: Dot11ManagementFrame(buffer, total_sz) {
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uint32_t sz = management_frame_size();
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buffer += sz;
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total_sz -= sz;
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if(total_sz < sizeof(_body))
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throw malformed_packet();
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memcpy(&_body, buffer, sizeof(_body));
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buffer += sizeof(_body);
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total_sz -= sizeof(_body);
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parse_tagged_parameters(buffer, total_sz);
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}
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void Dot11Deauthentication::reason_code(uint16_t new_reason_code) {
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this->_body.reason_code = Endian::host_to_le(new_reason_code);
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}
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uint32_t Dot11Deauthentication::header_size() const {
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return Dot11ManagementFrame::header_size() + sizeof(this->_body);
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}
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uint32_t Dot11Deauthentication::write_fixed_parameters(uint8_t *buffer, uint32_t total_sz) {
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uint32_t sz = sizeof(this->_body);
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#ifdef TINS_DEBUG
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assert(sz <= total_sz);
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#endif
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memcpy(buffer, &this->_body, sz);
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return sz;
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}
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} // namespace Tins
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#endif // HAVE_DOT11
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