3rd-party/libtins
1
0
Fork 0
mirror of https://github.com/mfontanini/libtins synced 2026-01-27 20:24:26 +01:00
Code Issues Releases Wiki Activity

Added flag enums to RadioTap.

Browse Source
This commit is contained in:
Matias Fontanini
2011-08-27 18:07:38 -03:00
parent 62a9122123
commit 840b08ef63
2 changed files with 81 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/radiotap.cpp
View File

@@ -41,29 +41,30 @@ Tins::RadioTap::RadioTap(uint32_t iface_index) : PDU(0xff), _iface_index(iface_i
}
Tins::RadioTap::RadioTap(const uint8_t *buffer, uint32_t total_sz) : PDU(0xff) {
static const std::string msg("Not enough size for an RadioTap header in the buffer.");
if(total_sz < sizeof(_radio))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
const uint8_t *buffer_start = buffer;
std::memcpy(&_radio, buffer, sizeof(_radio));
buffer += sizeof(_radio);
total_sz -= sizeof(_radio);
if(_radio.tsft) {
if(total_sz < sizeof(_tsft))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_tsft, buffer, sizeof(_tsft));
buffer += sizeof(_tsft);
total_sz -= sizeof(_tsft);
}
if(_radio.flags) {
if(total_sz < sizeof(_flags))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_flags, buffer, sizeof(_flags));
buffer += sizeof(_flags);
total_sz -= sizeof(_flags);
}
if(_radio.rate) {
if(total_sz < sizeof(_rate))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_rate, buffer, sizeof(_rate));
buffer += sizeof(_rate);
total_sz -= sizeof(_rate);
@@ -74,7 +75,7 @@ Tins::RadioTap::RadioTap(const uint8_t *buffer, uint32_t total_sz) : PDU(0xff) {
total_sz--;
}
if(total_sz < sizeof(uint32_t))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_channel_freq, buffer, sizeof(_channel_freq));
buffer += sizeof(_channel_freq);
memcpy(&_channel_type, buffer, sizeof(_channel_type));
@@ -83,14 +84,14 @@ Tins::RadioTap::RadioTap(const uint8_t *buffer, uint32_t total_sz) : PDU(0xff) {
}
if(_radio.dbm_signal) {
if(total_sz < sizeof(_dbm_signal))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_dbm_signal, buffer, sizeof(_dbm_signal));
buffer += sizeof(_dbm_signal);
total_sz -= sizeof(_dbm_signal);
}
if(_radio.antenna) {
if(total_sz < sizeof(_antenna))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_antenna, buffer, sizeof(_antenna));
buffer += sizeof(_antenna);
total_sz -= sizeof(_antenna);
@@ -101,7 +102,7 @@ Tins::RadioTap::RadioTap(const uint8_t *buffer, uint32_t total_sz) : PDU(0xff) {
total_sz--;
}
if(total_sz < sizeof(_rx_flags))
throw std::runtime_error("Not enough size for an RadioTap header in the buffer.");
throw std::runtime_error(msg);
memcpy(&_rx_flags, buffer, sizeof(_rx_flags));
buffer += sizeof(_rx_flags);
total_sz -= sizeof(_rx_flags);
@@ -129,8 +130,8 @@ void Tins::RadioTap::tsft(uint64_t new_tsft) {
_radio.tsft = 1;
}
void Tins::RadioTap::flags(uint8_t new_flags) {
_flags = new_flags;
void Tins::RadioTap::flags(FrameFlags new_flags) {
_flags = (uint8_t)new_flags;
if(!_radio.flags)
_options_size += sizeof(_flags);
_radio.flags = 1;