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Simple C++ library designed for encoding and decoding of DNS protocol packets
e.g. Buffer::putDnsDomainName("abc.com.")
dig
could properly handle this
This looks like just the library code I need for my current project. But I can't use it under GPL2 for the project I'm working on, as my project is for a proprietary product and I can't release its source code. Would you be willing to license your dnslib under a different licence, say the Simplified BSD licence?
RFC 1035 4.1.4 says:
The compression scheme allows a domain name in a message to be represented as either:
- a sequence of labels ending in a zero octet
- a pointer
- a sequence of labels ending with a pointer
so when decoding a dns packet which contains a pointer-ending CNAME at the end, the code runs here: https://github.com/mnezerka/dnslib/blob/master/src/buffer.cpp#L287
saveBuffPos
is equal to the buffer's size, then, at line 290 setPos(saveBuffPos);
, an exception is thrown.
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