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Code Issues Releases Wiki Activity

Added PPPoE.

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This commit is contained in:
Matias Fontanini
2013-04-07 20:57:43 -03:00
parent f2a5f73337
commit f7f5a9bc9a
13 changed files with 973 additions and 50 deletions
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53
src/ip.cpp
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@@ -88,45 +88,26 @@ IP::IP(const uint8_t *buffer, uint32_t total_sz)
option_identifier opt_type;
memcpy(&opt_type, ptr_buffer, sizeof(uint8_t));
ptr_buffer++;
switch (opt_type.number) {
if(opt_type.number > NOOP) {
/* Multibyte options with length as second byte */
case SEC:
case LSSR:
case TIMESTAMP:
case EXTSEC:
case RR:
case SID:
case SSRR:
case MTUPROBE:
case MTUREPLY:
case EIP:
case TR:
case ADDEXT:
case RTRALT:
case SDB:
case DPS:
case UMP:
case QS:
if(ptr_buffer == buffer || *ptr_buffer == 0)
throw std::runtime_error(msg);
{
const uint8_t data_size = *ptr_buffer - 2;
if(data_size > 0) {
ptr_buffer++;
if(buffer - ptr_buffer < data_size)
throw std::runtime_error(msg);
_ip_options.push_back(ip_option(opt_type, ptr_buffer, ptr_buffer + data_size));
}
else
_ip_options.push_back(ip_option(opt_type));
}
if(ptr_buffer == buffer || *ptr_buffer == 0)
throw std::runtime_error(msg);
ptr_buffer += _ip_options.back().data_size() + 1;
break;
default:
const uint8_t data_size = *ptr_buffer - 2;
if(data_size > 0) {
ptr_buffer++;
if(buffer - ptr_buffer < data_size)
throw std::runtime_error(msg);
_ip_options.push_back(ip_option(opt_type, ptr_buffer, ptr_buffer + data_size));
}
else
_ip_options.push_back(ip_option(opt_type));
break;
ptr_buffer += _ip_options.back().data_size() + 1;
}
else {
_ip_options.push_back(ip_option(opt_type));
break;
}
_options_size += _ip_options.back().data_size() + 2;
}