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| author | Attila Molnar <attilamolnar@hush.com> | 2015-04-21 15:17:02 +0200 |
|---|---|---|
| committer | Attila Molnar <attilamolnar@hush.com> | 2015-04-21 15:17:02 +0200 |
| commit | 92959a48b05aa982d5b1331622cb28197d38e9da (patch) | |
| tree | 15fb80b8c5c891c1a86f3939b4cc1a743ce5fbf7 | |
| parent | a28f095db832e44aad66bfd73bfd8176a97c6de2 (diff) | |
core_dns Reject incoming packets with qdcount != 1
| -rw-r--r-- | src/coremods/core_dns.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/coremods/core_dns.cpp b/src/coremods/core_dns.cpp index 999da8356..8911f5b55 100644 --- a/src/coremods/core_dns.cpp +++ b/src/coremods/core_dns.cpp @@ -236,6 +236,9 @@ class Packet : public Query ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "qdcount: " + ConvToStr(qdcount) + " ancount: " + ConvToStr(ancount) + " nscount: " + ConvToStr(nscount) + " arcount: " + ConvToStr(arcount)); + if (qdcount != 1) + throw Exception("Question count != 1 in incoming packet"); + for (unsigned i = 0; i < qdcount; ++i) this->questions.push_back(this->UnpackQuestion(input, len, packet_pos)); |