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unreal: store IPs properly, now that I understand how...

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This commit is contained in:
James Lu 2015-10-12 18:45:25 -07:00
parent 399f89900b
commit 90fd64b125
1 changed files with 16 additions and 10 deletions
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26
protocols/unreal.py
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@ -2,7 +2,7 @@ import time
import sys
import os
import time
import ipaddress
import codecs
import re
curdir = os.path.dirname(__file__)
@ -95,7 +95,6 @@ class UnrealProtocol(TS6BaseProtocol):
# VL - Sends version string in below SERVER message
# UMODE2 - used for users setting modes on themselves (one less argument needed)
# EAUTH - Early auth? (Unreal 3.4 linking protocol)
# ~~NICKIP - sends the IP in the NICK/UID command~~ Doesn't work with SID/UID support
f('PROTOCTL SJ3 NOQUIT NICKv2 VL UMODE2 PROTOCTL EAUTH=%s SID=%s' % (self.irc.serverdata["hostname"], self.irc.sid))
sdesc = self.irc.serverdata.get('serverdesc') or self.irc.botdata['serverdesc']
f('SERVER %s 1 U%s-h6e-%s :%s' % (host, self.proto_ver, self.irc.sid, sdesc))
@ -106,19 +105,26 @@ class UnrealProtocol(TS6BaseProtocol):
# <- :001 UID GL 0 1441306929 gl localhost 0018S7901 0 +iowx * midnight-1C620195 fwAAAQ== :realname
# <- :001 UID GL| 0 1441389007 gl 10.120.0.6 001ZO8F03 0 +iwx * 391A9CB9.26A16454.D9847B69.IP CngABg== :realname
# arguments: nick, number???, ts, ident, real-host, UID, number???, modes,
# star???, hidden host, some base64 thing???, and realname
# star???, hidden host, base64-encoded IP, and realname
# TODO: find out what all the "???" fields mean.
nick = args[0]
ts, ident, realhost, uid = args[2:6]
modestring = args[7]
host = args[9]
try:
ip = ipaddress.ip_address(host)
except ValueError: # Invalid for IP
# XXX: find a way of getting the real IP of the user (protocol-wise)
# without looking up every hostname ourselves (that's expensive!)
# NICKIP doesn't seem to work for the UID command...
ip = "0.0.0.0"
raw_ip = args[10].encode() # codecs.decode only takes bytes, not str
if raw_ip == b'*': # Dummy IP (for services, etc.)
ip = '0.0.0.0'
else:
# Each base64-encoded character represents a bit in the IP.
raw_ip = codecs.decode(raw_ip, "base64")
ipbits = list(map(str, raw_ip)) # Decode every bit
if len(ipbits) == 4: # IPv4 address.
ip = '.'.join(ipbits)
elif len(ipbits) == 16: # IPv6 address.
ip = ':'.join(ipbits)
else:
raise ProtocolError("Invalid number of bits in IP address field (got %s, expected 4 or 16)." % len(ipbits))
realname = args[-1]
self.irc.users[uid] = IrcUser(nick, ts, uid, ident, host, realname, realhost, ip)
parsedmodes = utils.parseModes(self.irc, uid, [modestring])