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| author | Matthew Wild <mwild1@gmail.com> | 2022-03-18 16:10:26 +0000 |
|---|---|---|
| committer | Matthew Wild <mwild1@gmail.com> | 2022-03-18 16:10:26 +0000 |
| commit | 3c5d7eaef1d3b6d9c93c6ae510317f671da33ceb (patch) | |
| tree | 0187cae3d3bbd2e070db17283e7845c6b695e58b /net/resolvers | |
| parent | 668bd38c71bacc78bbd44154f3305be6450e0729 (diff) | |
| download | prosody-3c5d7eaef1d3b6d9c93c6ae510317f671da33ceb.tar.gz prosody-3c5d7eaef1d3b6d9c93c6ae510317f671da33ceb.zip | |
net.resolvers.basic: Alternate IP address family targets, per RFC 8305
Diffstat (limited to 'net/resolvers')
| -rw-r--r-- | net/resolvers/basic.lua | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/resolvers/basic.lua b/net/resolvers/basic.lua index a5ea5dee..667015a0 100644 --- a/net/resolvers/basic.lua +++ b/net/resolvers/basic.lua @@ -42,8 +42,16 @@ end local function merge_targets(ipv4_targets, ipv6_targets) local result = { secure = ipv4_targets.secure and ipv6_targets.secure }; - t_move(ipv6_targets, 1, #ipv6_targets, 1, result); - t_move(ipv4_targets, 1, #ipv4_targets, #result+1, result); + local common_length = math.min(#ipv4_targets, #ipv6_targets); + for i = 1, common_length do + table.insert(result, ipv6_targets[i]); + table.insert(result, ipv4_targets[i]); + end + if common_length < #ipv4_targets then + t_move(ipv4_targets, common_length+1, #ipv4_targets, common_length+1, result); + elseif common_length < #ipv6_targets then + t_move(ipv6_targets, common_length+1, #ipv6_targets, common_length+1, result); + end return result; end |