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mod_proxy65: Log invalid greetings escaped instead of as base64

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Makes it easier to see human-readable parts and thus identifying the
garbage. Also consistent with mod_c2s and others.
This commit is contained in:
Kim Alvefur 2020-07-16 10:26:36 +02:00
parent 1c0950bc36
commit d89a99eb43
1 changed files with 2 additions and 3 deletions
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5
plugins/mod_proxy65.lua
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@ -12,7 +12,6 @@ module:set_global();
local jid_compare, jid_prep = require "util.jid".compare, require "util.jid".prep;
local st = require "util.stanza";
local sha1 = require "util.hashes".sha1;
local b64 = require "util.encodings".base64.encode;
local server = require "net.server";
local portmanager = require "core.portmanager";
@ -45,7 +44,7 @@ function listener.onincoming(conn, data)
end -- else error, unexpected input
conn:write("\5\255"); -- send (SOCKS version 5, no acceptable method)
conn:close();
module:log("debug", "Invalid SOCKS5 greeting received: '%s'", b64(data));
module:log("debug", "Invalid SOCKS5 greeting received: %q", data);
else -- connection request
--local head = string.char( 0x05, 0x01, 0x00, 0x03, 40 ); -- ( VER=5=SOCKS5, CMD=1=CONNECT, RSV=0=RESERVED, ATYP=3=DOMAIMNAME, SHA-1 size )
if #data == 47 and data:sub(1,5) == "\5\1\0\3\40" and data:sub(-2) == "\0\0" then
@ -67,7 +66,7 @@ function listener.onincoming(conn, data)
else -- error, unexpected input
conn:write("\5\1\0\3\0\0\0"); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte)
conn:close();
module:log("debug", "Invalid SOCKS5 negotiation received: '%s'", b64(data));
module:log("debug", "Invalid SOCKS5 negotiation received: %q", data);
end
end
end