| 1 | from twisted.application import internet, service |
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| 2 | from twisted.internet import protocol, reactor, defer |
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| 3 | from twisted.protocols import basic |
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| 4 | import os, sys, glob |
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| 5 | |
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| 6 | class WhoisProtocol(basic.LineReceiver): |
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| 7 | def lineReceived(self, hostname): |
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| 8 | self.factory.getWhois(hostname |
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| 9 | ).addErrback(lambda _: "Internal error in server" |
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| 10 | ).addCallback(lambda m: |
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| 11 | (self.transport.write(m+"\r\n"), |
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| 12 | self.transport.loseConnection())) |
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| 13 | class WhoisFactory(protocol.ServerFactory): |
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| 14 | protocol = WhoisProtocol |
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| 15 | def __init__(self, vhostDir): |
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| 16 | self.vhostDir = vhostDir |
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| 17 | self.vhosts = {} |
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| 18 | self.rescanVhosts() |
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| 19 | def rescanVhosts(self): |
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| 20 | newVhosts = {} |
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| 21 | for f in glob.iglob(os.path.join(self.vhostDir, "*.conf")): |
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| 22 | locker = os.path.splitext(os.path.basename(f))[0] |
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| 23 | newVhosts.update(self.parseApacheConf(file(f))) |
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| 24 | self.vhosts = newVhosts |
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| 25 | self.vhostTime = os.stat(self.vhostDir).st_mtime |
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| 26 | def parseApacheConf(self, f): |
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| 27 | vhosts = {} |
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| 28 | hostnames = [] |
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| 29 | locker = None |
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| 30 | docroot = None |
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| 31 | for l in f: |
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| 32 | parts = l.split() |
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| 33 | if not parts: continue |
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| 34 | command = parts.pop(0) |
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| 35 | if command in ("ServerName", "ServerAlias"): |
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| 36 | hostnames.extend(parts) |
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| 37 | elif command in ("SuExecUserGroup",): |
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| 38 | locker = parts[0] |
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| 39 | elif command in ("DocumentRoot",): |
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| 40 | docroot = parts[0] |
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| 41 | elif command == "</VirtualHost>": |
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| 42 | d = {'locker': locker, 'docroot': docroot, 'canonical': hostnames[0]} |
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| 43 | for h in hostnames: vhosts[h] = d |
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| 44 | hostnames = [] |
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| 45 | locker = None |
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| 46 | docroot = None |
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| 47 | return vhosts |
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| 48 | def canonicalize(self, vhost): |
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| 49 | vhost = vhost.lower().rstrip(".") |
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| 50 | return vhost |
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| 51 | # if vhost.endswith(".mit.edu"): |
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| 52 | # return vhost |
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| 53 | # else: |
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| 54 | # return vhost + ".mit.edu" |
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| 55 | def getWhois(self, vhost): |
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| 56 | vhost = self.canonicalize(vhost) |
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| 57 | info = self.vhosts.get(vhost) |
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| 58 | if info: |
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| 59 | ret = "Hostname: %s\nAlias: %s\nLocker: %s\nDocument Root: %s" % \ |
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| 60 | (info['canonical'], vhost, info['locker'], info['docroot']) |
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| 61 | else: |
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| 62 | ret = "No such hostname" |
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| 63 | return defer.succeed(ret) |
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| 64 | |
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| 65 | application = service.Application('whois', uid=99, gid=99) |
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| 66 | factory = WhoisFactory("/etc/httpd/vhosts.d") |
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| 67 | internet.TCPServer(43, factory).setServiceParent( |
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| 68 | service.IServiceCollection(application)) |
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