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117 lines
4 KiB
C
117 lines
4 KiB
C
// $Id: jabber.h,v 1.75 2008/09/12 15:54:39 lynx Exp $ // vim:syntax=lpc
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//
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// REMINDER:
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// there are plenty of calls to lower_case in the code, that is because
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// jabber requires all hostnames to be lowercased, or otherwise the
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// protocol won't work! TODO: optimize this
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//
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#ifndef _JABBER_H
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#define _JABBER_H
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#define JABBER_TRANSPARENCY // switching this off improves parser
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// performance but kills file transfers
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// local debug messages - turn them on by using psyclpc -DDjabber=<level>
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#ifdef Djabber
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# undef DEBUG
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# define DEBUG Djabber
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#endif
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#include <net.h>
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#include <xml.h>
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#include <sys/time.h>
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#if !__EFUN_DEFINED__(tls_available)
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# undef WANT_S2S_TLS
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#endif
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#ifndef NO_INHERIT
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// should this be virtual?
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virtual inherit JABBER_PATH "common";
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#endif
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#define COMBINE_CHARSET XML_CHARSET
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// eigentlich schon ein fall für textdb
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// siehe auch MISC/jabber/conference.fmt
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#define PLACE "place"
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#define XMPP "xmpp:"
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#define NS_XMPP "urn:ietf:params:xml:ns:"
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#define IMPLODE_XML(list, tag) pointerp(list) ? tag + implode(list, "</" + tag[1..] + tag) + "</" + tag[1..] : tag[..<2] + "/>"
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// http://xmpp.org/extensions/xep-0203.html
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#define JABBERTIME(gm) sprintf("%d-%02d-%02dT%02d:%02d:%02dZ", gm[TM_YEAR], gm[TM_MON] + 1, gm[TM_MDAY], gm[TM_HOUR], gm[TM_MIN], gm[TM_SEC])
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// http://xmpp.org/extensions/xep-0091.html
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#define JABBERTIMELEGACY(gm) sprintf("%d%02d%02dT%02d:%02d:%02d", gm[TM_YEAR], gm[TM_MON] + 1, gm[TM_MDAY], gm[TM_HOUR], gm[TM_MIN], gm[TM_SEC])
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// "Implementations that support XEP-0091 should support the protocol defined herein as soon as possible, but should continue to support the protocol defined in XEP-0091 for backwards compatibility until the status of that specification is changed to Obsolete."
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#define xbuddylist v("peoplegroups")
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// usage: STREAM_ERROR("system-shutdown", "bye!")
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// TODO: would be nice to see
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#define STREAM_ERROR(condition, textual) emit("<stream:error><" condition " "\
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"xmlns='urn:ietf:params:xml:ns:xmpp-streams'/>"\
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"<text xmlns='urn:ietf:params:xml:ns:xmpp-streams'>" +(textual)+ \
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"</text></stream:error></stream:stream>");
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#define SASL_ERROR(condition) emit("<failure "\
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"xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>"\
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"<" + condition + "/>"\
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"</failure>"\
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"</stream:stream>");
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#ifndef PREFERRED_HASH
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# define PREFERRED_HASH 1 // sha1 is usually available
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#endif
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#ifdef SYSTEM_SECRET
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# if __EFUN_DEFINED__(hmac)
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# define DIALBACK_KEY(id, source, target) hmac(PREFERRED_HASH, hash(PREFERRED_HASH, SYSTEM_SECRET), target + " " + source + " " + id)
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# else
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# define DIALBACK_KEY(id, source, target) sha1(sha1(SYSTEM_SECRET) + " " + target + " " + source + " " + id)
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# endif
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#else
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// ssotd is already a hash and therefore, the length is sufficient
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# if __EFUN_DEFINED__(hmac)
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# define DIALBACK_KEY(id, source, target) hmac(PREFERRED_HASH, server_secret_of_the_day(), target + " " + source + " " + id)
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# else
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# define DIALBACK_KEY(id, source, target) sha1(server_secret_of_the_day() + " " + target + " " + source + " " + id)
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# endif
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#endif
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#ifndef _host_XMPP
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# define _host_XMPP SERVER_HOST
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#endif
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// net/jabber is not ready for regular is_localhost
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#define is_localhost(a) (lower_case(a)) == _host_XMPP
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#define JABSOURCE "_INTERNAL_source_jabber"
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#define JABTARGET "_INTERNAL_target_jabber"
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#define JID_HAS_RESOURCE(x) (index(x, '/') != -1)
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#define JID_HAS_NODE(x) apply(jid_has_node_cl, x)
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#ifdef _flag_provide_places_only
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# define PLACEPREFIX ""
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# define ISPLACEMSG(x) 1
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# define FIND_OBJECT(x) find_place(x)
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# define PREFIXFREE(x) (x)
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#else
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// changing the place prefix requires changing it also in the output of
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// uniforms. depending on the character you choose you may also have to
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// implement URI (un)escaping first.
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# define PLACEPREFIX "*"
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# define FIND_OBJECT(x) (x[0] == '*' ? find_place(x[1..]) : summon_person(x) )
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# define ISPLACEMSG(x) (x && x[0] == '*')
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# define PREFIXFREE(x) (x[1..])
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#endif
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// using channels is funny.. but xmpp: doesn't define channels really.
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// isn't it fine if we just use xmpp: resources in _context to achieve this?
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//efine MUCSUC_SEP "#_"
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#define MUCSUC_SEP "/"
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#endif // _JABBER_H
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