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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/tcp.cpp
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@@ -35,6 +35,7 @@
#include "constants.h"
#include "rawpdu.h"
#include "utils.h"
#include "exceptions.h"
namespace Tins {
@@ -53,7 +54,7 @@ TCP::TCP(uint16_t dport, uint16_t sport)
TCP::TCP(const uint8_t *buffer, uint32_t total_sz)
{
if(total_sz < sizeof(tcphdr))
throw std::runtime_error("Not enough size for an TCP header in the buffer.");
throw malformed_packet();
std::memcpy(&_tcp, buffer, sizeof(tcphdr));
buffer += sizeof(tcphdr);
total_sz -= sizeof(tcphdr);
@@ -67,7 +68,7 @@ TCP::TCP(const uint8_t *buffer, uint32_t total_sz)
while(index < header_end) {
for(unsigned i(0); i < 2; ++i) {
if(index == header_end)
throw std::runtime_error("Not enough size for a TCP header in the buffer.");
throw malformed_packet();
args[i] = buffer[index++];
// NOP and EOL contain no length field
if(args[0] == NOP || args[0] == EOL)
@@ -78,7 +79,7 @@ TCP::TCP(const uint8_t *buffer, uint32_t total_sz)
// Not enough size for this option
args[1] -= (sizeof(uint8_t) << 1);
if(header_end - index < args[1])
throw std::runtime_error("Not enough size for a TCP header in the buffer.");
throw malformed_packet();
if(args[1])
add_option(option((OptionTypes)args[0], buffer + index, buffer + index + args[1]));
else