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mod_http: Handle bracketed IP address format from RFC 7239

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There are hints that this format might be used in X-Forwarded-For as
well, so best handle it everywhere. Strips both brackets and optional
port number.
This commit is contained in:
Kim Alvefur 2023-06-03 17:10:12 +02:00
parent 99906e5b9c
commit 3fbd92e26d
1 changed files with 6 additions and 0 deletions
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6
plugins/mod_http.lua
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@ -297,7 +297,13 @@ module.add_host(module); -- set up handling on global context too
local trusted_proxies = module:get_option_set("trusted_proxies", { "127.0.0.1", "::1" })._items;
--- deal with [ipv6]:port / ip:port format
local function normal_ip(ip)
return ip:match("^%[([%x:]*)%]") or ip:match("^([%d.]+)") or ip;
end
local function is_trusted_proxy(ip)
ip = normal_ip(ip);
if trusted_proxies[ip] then
return true;
end