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authorTobias Klauser <tklauser@distanz.ch>2017-02-07 18:26:54 +0100
committerTobias Klauser <tklauser@distanz.ch>2017-02-07 18:26:54 +0100
commit371de55728931fc253763328ae322ce9512afba1 (patch)
tree070400e399c0dd45bf6d4cdfa1f1f1341c0e7c01 /err.h
parent70ff9183e5533d6f0bfccf20bb67ac18d0bbb493 (diff)
llmnrd: compare full hostname in query, fix off-by-one error
When checking whether the hostname matches, llmnrd does not consider the last character of the hostnames, leading to the following incorrect behavior: $ ./llmnrd -H foobar Starting llmnrd on port 5355, hostname foobar ... $ ./llmnr-query foobaZ LLMNR query: foobaZ IN ANY LLMNR response: foobar IN A 10.42.0.42 (TTL 30) Fix it by considering the full hostname. Also do only convert alphabetic characters to lowercase using tolower(3), since its behavior is undefined for any other characters. Fixes #21 Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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