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erlang
2133-Fix-encode-decode-of-URI-records.patch
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File 2133-Fix-encode-decode-of-URI-records.patch of Package erlang
From 355eeac9bfd58ba187899ed13a11a6963c9d2b83 Mon Sep 17 00:00:00 2001 From: Raimo Niskanen <raimo@erlang.org> Date: Tue, 10 Nov 2020 15:29:00 +0100 Subject: [PATCH 3/6] Fix encode/decode of URI records --- lib/kernel/src/inet_dns.erl | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/kernel/src/inet_dns.erl b/lib/kernel/src/inet_dns.erl index a70f360eb9..80ce833723 100644 --- a/lib/kernel/src/inet_dns.erl +++ b/lib/kernel/src/inet_dns.erl @@ -484,6 +484,11 @@ decode_data(Data, _, ?S_TXT, _) -> decode_txt(Data); decode_data(Data, _, ?S_SPF, _) -> decode_txt(Data); +decode_data(<<Prio:16,Weight:16,Data0/binary>>, _, ?S_URI, _) -> + (1 =< byte_size(Data0)) + orelse throw(?DECODE_ERROR), + Target = binary_to_list(Data0), + {Prio,Weight,Target}; decode_data(Data, _, ?S_URI, _) -> decode_txt(Data); decode_data(<<Flags:8,Data0/binary>>, _, ?S_CAA, _) -> @@ -651,6 +656,8 @@ encode_data(Comp, Pos, ?S_NAPTR, in, %% ?S_OPT falls through to default encode_data(Comp, _, ?S_TXT, in, Data) -> {encode_txt(Data),Comp}; encode_data(Comp, _, ?S_SPF, in, Data) -> {encode_txt(Data),Comp}; +encode_data(Comp, _, ?S_URI, in, {Prio,Weight,Target}) -> + {<<Prio:16,Weight:16,(iolist_to_binary(Target))/binary>>,Comp}; encode_data(Comp, _, ?S_URI, in, Data) -> {encode_txt(Data),Comp}; encode_data(Comp, _, ?S_CAA, in, {Flags,Tag,Value}) -> B0 = <<Flags:8>>, -- 2.26.2
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