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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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11
src/dhcp.cpp
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@@ -32,6 +32,7 @@
#include "endianness.h"
#include "dhcp.h"
#include "ethernetII.h"
#include "exceptions.h"
using std::string;
using std::list;
@@ -52,7 +53,7 @@ DHCP::DHCP(const uint8_t *buffer, uint32_t total_sz)
total_sz -= BootP::header_size() - vend().size();
uint8_t args[2] = {0};
if(total_sz < sizeof(uint32_t) || *(uint32_t*)buffer != Endian::host_to_be<uint32_t>(0x63825363))
throw std::runtime_error("Not enough size for a DHCP header in the buffer.");
throw malformed_packet();
buffer += sizeof(uint32_t);
total_sz -= sizeof(uint32_t);
while(total_sz) {
@@ -64,11 +65,13 @@ DHCP::DHCP(const uint8_t *buffer, uint32_t total_sz)
i = 2;
}
else if(!total_sz)
throw std::runtime_error("Not enough size for a DHCP header in the buffer.");
throw malformed_packet();
}
if(total_sz < args[1])
throw std::runtime_error("Not enough size for a DHCP header in the buffer.");
add_option(option((OptionTypes)args[0], args[1], buffer));
throw malformed_packet();
add_option(
option((OptionTypes)args[0], args[1], buffer)
);
buffer += args[1];
total_sz -= args[1];
}