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Code Issues Releases Wiki Activity

Added malformed_packet exception. Every class except Dot11* use it.

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This commit is contained in:
Matias Fontanini
2013-04-18 00:12:20 -03:00
parent 923f51ae15
commit 3fd1b3d37d
53 changed files with 267 additions and 159 deletions
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7
src/llc.cpp
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@@ -33,6 +33,7 @@
#include "llc.h"
#include "stp.h"
#include "rawpdu.h"
#include "exceptions.h"
using std::list;
@@ -62,14 +63,14 @@ LLC::LLC(uint8_t dsap, uint8_t ssap, PDU *child)
LLC::LLC(const uint8_t *buffer, uint32_t total_sz) {
// header + 1 info byte
if(total_sz < sizeof(_header) + 1)
throw std::runtime_error("Not enough size for a LLC header in the buffer.");
throw malformed_packet();
std::memcpy(&_header, buffer, sizeof(_header));
buffer += sizeof(_header);
total_sz -= sizeof(_header);
information_field_length = 0;
if ((buffer[0] & 0x03) == LLC::UNNUMBERED) {
if(total_sz < sizeof(un_control_field))
throw std::runtime_error("Not enough size for a LLC header in the buffer.");
throw malformed_packet();
type(LLC::UNNUMBERED);
std::memcpy(&control_field.unnumbered, buffer, sizeof(un_control_field));
buffer += sizeof(un_control_field);
@@ -78,7 +79,7 @@ LLC::LLC(const uint8_t *buffer, uint32_t total_sz) {
}
else {
if(total_sz < sizeof(info_control_field))
throw std::runtime_error("Not enough size for a LLC header in the buffer.");
throw malformed_packet();
type((Format)(buffer[0] & 0x03));
control_field_length = 2;
std::memcpy(&control_field.info, buffer, sizeof(info_control_field));