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Code Issues Releases Wiki Activity

change counter variable type and add exception description comment

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This commit is contained in:
Gaya Cohen
2021-05-24 17:04:11 +03:00
parent c20c82bcb5
commit 1650b60234
2 changed files with 4 additions and 1 deletions
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3
include/tins/exceptions.h
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@@ -66,6 +66,9 @@ public:
malformed_packet() : exception_base("Malformed packet") { } malformed_packet() : exception_base("Malformed packet") { }
}; };
/**
* \brief Exception thrown when a DNS decompression pointer is out of bounds.
*/
class DNS_decompression_pointer_out_of_bounds : public exception_base { class DNS_decompression_pointer_out_of_bounds : public exception_base {
public: public:
DNS_decompression_pointer_out_of_bounds() : exception_base("DNS decompression pointer out of bounds") { } DNS_decompression_pointer_out_of_bounds() : exception_base("DNS decompression pointer out of bounds") { }

2
src/dns.cpp
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@@ -336,7 +336,7 @@ uint32_t DNS::compose_name(const uint8_t* ptr, char* out_ptr) const {
const uint8_t* end = &records_data_[0] + records_data_.size(); const uint8_t* end = &records_data_[0] + records_data_.size();
const uint8_t* end_ptr = 0; const uint8_t* end_ptr = 0;
char* current_out_ptr = out_ptr; char* current_out_ptr = out_ptr;
int pointer_counter = 0; uint8_t pointer_counter = 0;
while (*ptr) { while (*ptr) {
if (pointer_counter++ > 30){ if (pointer_counter++ > 30){
throw DNS_decompression_pointer_loops(); throw DNS_decompression_pointer_loops();