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Fixed some leak or uninitialized memory usage bugs.

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This commit is contained in:
Matias Fontanini
2011-09-10 20:05:41 -03:00
parent db0e838e6f
commit 753378cb38
5 changed files with 90 additions and 65 deletions
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4
src/dhcp.cpp
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@@ -42,14 +42,14 @@ Tins::DHCP::DHCP(const uint8_t *buffer, uint32_t total_sz) : BootP(buffer, total
total_sz -= BootP::header_size();
uint8_t args[2] = {0};
while(total_sz) {
for(unsigned i(0); i < 2 && args[0] != END; ++i) {
for(unsigned i(0); i < 2 && args[0] != END && args[0] != PAD; ++i) {
args[i] = *(buffer++);
total_sz--;
if(!total_sz)
throw std::runtime_error("Not enough size for a DHCP header in the buffer.");
}
// If the END-OF-OPTIONS was not found...
if(args[0] != END) {
if(args[0] != END && args[0] != PAD) {
// Not enough size for this option
if(total_sz < args[1])
throw std::runtime_error("Not enough size for a DHCP header in the buffer.");