3rd-party/libtins
1
0
Fork 0
mirror of https://github.com/mfontanini/libtins synced 2026-01-26 20:01:35 +01:00
Code Issues Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

7
src/ipv6.cpp
View File

@@ -45,6 +45,7 @@
#include "icmp.h"
#include "icmpv6.h"
#include "rawpdu.h"
#include "exceptions.h"
namespace Tins {
@@ -60,7 +61,7 @@ IPv6::IPv6(address_type ip_dst, address_type ip_src, PDU *child)
IPv6::IPv6(const uint8_t *buffer, uint32_t total_sz)
: headers_size(0) {
if(total_sz < sizeof(_header))
throw std::runtime_error("Not enough size for an IPv6 PDU");
throw malformed_packet();
std::memcpy(&_header, buffer, sizeof(_header));
buffer += sizeof(_header);
total_sz -= sizeof(_header);
@@ -68,13 +69,13 @@ IPv6::IPv6(const uint8_t *buffer, uint32_t total_sz)
while(total_sz) {
if(is_extension_header(current_header)) {
if(total_sz < 8)
throw header_size_error();
throw malformed_packet();
// every ext header is at least 8 bytes long
// minus one, from the next_header field.
uint32_t size = static_cast<uint32_t>(buffer[1]) + 8;
// -1 -> next header identifier
if(total_sz < size)
throw header_size_error();
throw malformed_packet();
// minus one, from the size field
add_ext_header(
ext_header(buffer[0], size - sizeof(uint8_t)*2, buffer + 2)