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Code Issues Releases Wiki Activity

Added helper methods and Dot11ProbeResponse (still unfinished)

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This commit is contained in:
Santiago Alessandri
2011-09-07 10:04:50 -03:00
parent 5222a1edd2
commit 26d791ee05
2 changed files with 237 additions and 3 deletions
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85
include/dot11.h
View File

@@ -62,7 +62,7 @@ namespace Tins {
DS_SET,
CF_SET,
TIM,
BSS,
IBSS_SET,
COUNTRY,
HOPPING_PATTERN_PARAMS,
HOPPING_PATTERN_TABLE,
@@ -1026,6 +1026,19 @@ namespace Tins {
void supported_channels(const std::list<std::pair<uint8_t, uint8_t> > &new_channels);
void edca_parameter_set(uint32_t ac_be, uint32_t ac_bk, uint32_t ac_vi, uint32_t ac_vo);
void request_information(const std::list<uint8_t> elements);
void fh_parameter_set(uint16_t dwell_time, uint8_t hop_set, uint8_t hop_pattern, uint8_t hop_index);
void ds_parameter_set(uint8_t current_channel);
void cf_parameter_set(uint8_t cfp_count, uint8_t cfp_period, uint16_t cfp_max_duration, uint16_t cfp_dur_remaining);
void ibss_parameter_set(uint16_t atim_window);
void ibss_dfs(const uint8_t* dfs_owner, uint8_t recovery_interval, const std::vector<std::pair<uint8_t, uint8_t> >& channel_map);
void country(const std::vector<uint8_t*>& countries, const std::vector<uint8_t>& first_channels, const std::vector<uint8_t>& number_channels, const std::vector<uint8_t>& max_power);
void fh_parameters(uint8_t prime_radix, uint8_t number_channels);
void fh_pattern_table(uint8_t flag, uint8_t number_of_sets, uint8_t modulus, uint8_t offset, const std::vector<uint8_t>& random_table);
void power_constraint(uint8_t local_power_constraint);
void channel_switch(uint8_t switch_mode, uint8_t new_channel, uint8_t switch_count);
void quiet(uint8_t quiet_count, uint8_t quiet_period, uint16_t quiet_duration, uint16_t quiet_offset);
void tpc_report(uint8_t transmit_power, uint8_t link_margin);
uint32_t write_ext_header(uint8_t *buffer, uint32_t total_sz);
void copy_ext_header(const Dot11ManagementFrame *other);
@@ -2008,6 +2021,76 @@ namespace Tins {
*/
void request_information(const std::list<uint8_t> elements);
/**
* \brief Clones this PDU.
*
* \sa PDU::clone_pdu()
*/
PDU* clone_pdu() const;
};
/**
* \brief Class representing an Probe Response frame in the IEEE 802.11 Protocol.
*
*/
class Dot11ProbeResponse : public Dot11ManagementFrame {
public:
/**
* \brief Getter for the timestamp field.
*
* \return Timestamp value in an uint64_t.
*/
inline uint64_t timestamp() const { return this->_body.timestamp; }
/**
* \brief Getter for the interval field.
*
* \return Timestamp value in an uint16_t.
*/
inline uint16_t interval() const { return Utils::net_to_host_s(this->_body.interval); }
/**
* \brief Getter for the Capabilities Information.
*
* \return CapabilityInformation Structure in a CapabilityInformation&.
*/
inline const CapabilityInformation& capabilities() const { return this->_body.capability;}
/**
* \brief Getter for the Capabilities Information.
*
* \return CapabilityInformation Structure in a CapabilityInformation&.
*/
inline CapabilityInformation& capabilities() { return this->_body.capability;}
/**
* \brief Setter for the timestamp field.
*
* \param new_timestamp uint64_t with the timestamp to set.
*/
void timestamp(uint64_t new_timestamp);
/**
* \brief Setter for the interval field.
*
* \param new_interval uint16_t with the interval to set.
*/
void interval(uint16_t new_interval);
protected:
private:
struct ProbeResp {
uint64_t timestamp;
uint16_t interval;
CapabilityInformation capability;
};
ProbeResp _body;
};
class Dot11QoSData : public Dot11DataFrame {

155
src/dot11.cpp
View File

@@ -421,7 +421,7 @@ void Tins::Dot11ManagementFrame::supported_channels(const std::list<std::pair<ui
}
void Tins::Dot11ManagementFrame::edca_parameter_set(uint32_t ac_be, uint32_t ac_bk, uint32_t ac_vi, uint32_t ac_vo) {
uint8_t* buffer = new uint8_t[18];
uint8_t buffer[18];
buffer[0] = 0;
uint32_t* ptr = (uint32_t*)(buffer + 1);
*(ptr++) = ac_be;
@@ -429,7 +429,6 @@ void Tins::Dot11ManagementFrame::edca_parameter_set(uint32_t ac_be, uint32_t ac_
*(ptr++) = ac_vi;
*(ptr++) = ac_vo;
add_tagged_option(EDCA, 18, buffer);
delete[] buffer;
}
void Tins::Dot11ManagementFrame::request_information(const std::list<uint8_t> elements) {
@@ -444,6 +443,152 @@ void Tins::Dot11ManagementFrame::request_information(const std::list<uint8_t> el
delete[] buffer;
}
void Tins::Dot11ManagementFrame::fh_parameter_set(uint16_t dwell_time, uint8_t hop_set, uint8_t hop_pattern, uint8_t hop_index) {
uint8_t buffer[5];
uint16_t* ptr_buffer = (uint16_t*)buffer;
ptr_buffer[0] = dwell_time;
buffer[2] = hop_set;
buffer[3] = hop_pattern;
buffer[4] = hop_index;
add_tagged_option(FH_SET, 5, buffer);
}
void Tins::Dot11ManagementFrame::ds_parameter_set(uint8_t current_channel) {
add_tagged_option(DS_SET, 1, &current_channel);
}
void Tins::Dot11ManagementFrame::cf_parameter_set(uint8_t cfp_count,
uint8_t cfp_period,
uint16_t cfp_max_duration,
uint16_t cfp_dur_remaining) {
uint8_t buffer[6];
uint16_t* ptr_buffer = (uint16_t*)buffer;
buffer[0] = cfp_count;
buffer[1] = cfp_period;
ptr_buffer[1] = cfp_max_duration;
ptr_buffer[2] = cfp_dur_remaining;
add_tagged_option(CF_SET, 6, buffer);
}
void Tins::Dot11ManagementFrame::ibss_parameter_set(uint16_t atim_window) {
add_tagged_option(IBSS_SET, 2, (uint8_t*)&atim_window);
}
void Tins::Dot11ManagementFrame::country(const std::vector<uint8_t*>& countries,
const std::vector<uint8_t>& first_channels,
const std::vector<uint8_t>& number_channels,
const std::vector<uint8_t>& max_power) {
/* Check that the lists have the same number of elements */
if ((countries.size() != first_channels.size()) ||
(countries.size() != number_channels.size()) ||
(countries.size() != max_power.size()))
throw runtime_error("Lists should be of equal length!");
uint8_t sz = 6 * countries.size();
if (sz & 1) // If size is odd, pad it
sz++;
uint8_t* buffer = new uint8_t[sz];
uint8_t* ptr_buffer = buffer;
for (uint8_t i = 0; i < countries.size(); i++) {
memcpy(ptr_buffer, countries[i], 3);
ptr_buffer += 3;
*ptr_buffer = first_channels[i];
ptr_buffer++;
*ptr_buffer = number_channels[i];
ptr_buffer++;
*ptr_buffer = max_power[i];
ptr_buffer++;
}
add_tagged_option(COUNTRY, sz, buffer);
delete[] buffer;
}
void Tins::Dot11ManagementFrame::fh_parameters(uint8_t prime_radix, uint8_t number_channels) {
uint8_t buffer[2];
buffer[0] = prime_radix;
buffer[1] = number_channels;
add_tagged_option(HOPPING_PATTERN_PARAMS, 2, buffer);
}
void Tins::Dot11ManagementFrame::fh_pattern_table(uint8_t flag,
uint8_t number_of_sets,
uint8_t modulus,
uint8_t offset,
const vector<uint8_t>& random_table) {
uint8_t sz = 4 + random_table.size();
uint8_t* buffer = new uint8_t[sz];
buffer[0] = flag;
buffer[1] = number_of_sets;
buffer[2] = modulus;
buffer[3] = offset;
uint8_t* ptr_buffer = &buffer[4];
for (vector<uint8_t>::const_iterator it = random_table.begin(); it != random_table.end(); it++)
*(ptr_buffer++) = *it;
add_tagged_option(HOPPING_PATTERN_TABLE, sz, buffer);
delete[] buffer;
}
void Tins::Dot11ManagementFrame::power_constraint(uint8_t local_power_constraint) {
add_tagged_option(POWER_CONSTRAINT, 1, &local_power_constraint);
}
void Tins::Dot11ManagementFrame::channel_switch(uint8_t switch_mode, uint8_t new_channel, uint8_t switch_count) {
uint8_t buffer[3];
buffer[0] = switch_mode;
buffer[1] = new_channel;
buffer[2] = switch_count;
add_tagged_option(CHANNEL_SWITCH, 3, buffer);
}
void Tins::Dot11ManagementFrame::quiet(uint8_t quiet_count, uint8_t quiet_period, uint16_t quiet_duration, uint16_t quiet_offset) {
uint8_t buffer[6];
uint16_t* ptr_buffer = (uint16_t*)buffer;
buffer[0] = quiet_count;
buffer[1] = quiet_period;
ptr_buffer[1] = quiet_duration;
ptr_buffer[2] = quiet_offset;
add_tagged_option(QUIET, 6, buffer);
}
void Tins::Dot11ManagementFrame::ibss_dfs(const uint8_t* dfs_owner, uint8_t recovery_interval, const vector<pair<uint8_t, uint8_t> >& channel_map) {
uint8_t sz = 7 + 2 * channel_map.size();
uint8_t* buffer = new uint8_t[sz];
uint8_t* ptr_buffer = buffer;
memcpy(ptr_buffer, dfs_owner, 6);
ptr_buffer += 6;
*(ptr_buffer++) = recovery_interval;
for (vector<pair<uint8_t, uint8_t> >::const_iterator it = channel_map.begin(); it != channel_map.end(); it++) {
*(ptr_buffer++) = it->first;
*(ptr_buffer++) = it->second;
}
add_tagged_option(IBSS_DFS, sz, buffer);
delete[] buffer;
}
void Tins::Dot11ManagementFrame::tpc_report(uint8_t transmit_power, uint8_t link_margin) {
uint8_t buffer[2];
buffer[0] = transmit_power;
buffer[1] = link_margin;
add_tagged_option(TPC_REPORT, 2, buffer);
}
/*
* Dot11DataFrame
*/
@@ -1092,6 +1237,12 @@ void Tins::Dot11ProbeRequest::extended_supported_rates(const std::list<float> &n
Dot11ManagementFrame::extended_supported_rates(new_rates);
}
Tins::PDU* Tins::Dot11ProbeRequest::clone_pdu() const {
Dot11ProbeRequest* new_pdu = new Dot11ProbeRequest();
new_pdu->copy_80211_fields(this);
return new_pdu;
}
/* QoS data. */
Tins::Dot11QoSData::Dot11QoSData(const std::string& iface, const uint8_t* dst_hw_addr, const uint8_t* src_hw_addr, PDU* child) throw (std::runtime_error) : Dot11DataFrame(iface, dst_hw_addr, src_hw_addr, child) {