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Parsing sniffed RadioTAP + 802.11 beacon packets is working.

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This commit is contained in:
Matias Fontanini
2011-08-25 00:35:34 -03:00
parent 9d063b6f1b
commit c752fa36f5
3 changed files with 108 additions and 16 deletions
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56
include/ieee802-11.h
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@@ -502,13 +502,29 @@ namespace Tins {
*/
void add_tagged_option(TaggedOption opt, uint8_t len, const uint8_t *val);
/**
* \brief Looks up a tagged option in the option list.
* \param opt The option identifier.
* \return The option found, or 0 if no such option has been set.
*/
const IEEE802_11_Option *lookup_option(TaggedOption opt) const;
/**
* \brief Getter for the PDU's type.
* \sa PDU::pdu_type
*/
PDUType pdu_type() const { return PDU::IEEE802_11; }
/**
* \brief Allocates an IEEE802_11 PDU from a buffer.
* \param buffer The buffer from which to take the PDU data.
* \param total_sz The total size of the buffer.
* \return The allocated PDU.
*/
static PDU *from_bytes(const uint8_t *buffer, uint32_t total_sz);
protected:
virtual uint32_t write_fixed_parameters(uint8_t *buffer, uint32_t total_sz) { return 0; }
void parse_tagged_parameters(const uint8_t *buffer, uint32_t total_sz);
protected:
/**
* Struct that represents the 802.11 header
@@ -559,7 +575,7 @@ namespace Tins {
private:
IEEE802_11(const ieee80211_header *header_ptr);
void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
@@ -613,9 +629,15 @@ namespace Tins {
};
protected:
ManagementFrame(const uint8_t* dst_hw_addr = 0, const uint8_t* src_hw_addr = 0);
ManagementFrame(const std::string& iface, const uint8_t* dst_hw_addr, const uint8_t* src_hw_addr) throw (std::runtime_error);
/**
* \brief Constructor which creates a ManagementFrame object from a buffer and adds all identifiable
* PDUs found in the buffer as children of this one.
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
ManagementFrame(const uint8_t *dst_hw_addr = 0, const uint8_t *src_hw_addr = 0);
ManagementFrame(const std::string &iface, const uint8_t *dst_hw_addr, const uint8_t *src_hw_addr) throw (std::runtime_error);
ManagementFrame(const uint8_t *buffer, uint32_t total_sz);
struct CapabilityInformation {
unsigned int _ess:1;
@@ -773,6 +795,15 @@ namespace Tins {
*/
IEEE802_11_Beacon(const std::string& iface, const uint8_t* dst_hw_addr = 0, const uint8_t* src_hw_addr = 0) throw (std::runtime_error);
/**
* \brief Constructor which creates a IEEE802_11_Beacon object from a buffer and adds
* all identifiable PDUs found in the buffer as children of this one.
*
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
IEEE802_11_Beacon(const uint8_t *buffer, uint32_t total_sz);
/**
* \brief Getter for the timestamp field.
*
@@ -1045,10 +1076,18 @@ namespace Tins {
/**
* \brief Helper method to set the RSN information option.
*
* \param info The RSNInformation structure to be set.
*/
void rsn_information(const RSNInformation& info);
/**
* \brief Helper method to search for the ESSID of this beacon.
*
* This method returns the essid of this beacon, or an empty
* string if no essid has been set.
*/
std::string essid() const;
/**
* \brief Returns the frame's header length.
*
@@ -1117,18 +1156,15 @@ namespace Tins {
* \sa PDU::header_size()
*/
uint32_t header_size() const;
private:
struct DisassocBody {
uint16_t reason_code;
};
DisassocBody _body;
uint32_t write_fixed_parameters(uint8_t *buffer, uint32_t total_sz);
DisassocBody _body;
};
}