Mercurial > lxmppd-hg-xmllex / annotate
plugins/mod_dialback.lua@e64c8a44060f (annotated)
plugins/mod_dialback.lua
Sat, 01 Nov 2008 21:07:14 +0000
- author
- Matthew Wild <mwild1@gmail.com>
- date
- Sat, 01 Nov 2008 21:07:14 +0000
- changeset 191
- e64c8a44060f
- child 219
- f06e97f525bc
- permissions
- -rw-r--r--
Fix s2s once and for all
- Moved dialback to the new mod_dialback (mostly).
- Modules can now supply a list of origins to handle to add_handler
- Modules can now handle and process any stanza, overriding the core
- Modules handle non-jabber:client/jabber:server xmlns'd stanzas
| 191 | 1 | |
| 2 | local format = string.format; | |
| 3 | local send_s2s = require "core.s2smanager".send_to_host; | |
| 4 | local s2s_make_authenticated = require "core.s2smanager".make_authenticated; | |
| 5 | local s2s_verify_dialback = require "core.s2smanager".verify_dialback; | |
| 6 | ||
| 7 | local log = require "util.logger".init("mod_dialback"); | |
| 8 | ||
| 9 | local xmlns_dialback = "jabber:server:dialback"; | |
| 10 | ||
| 11 | add_handler({"s2sin_unauthed", "s2sin"}, "verify", xmlns_dialback, | |
| 12 | function (origin, stanza) | |
| 13 | -- We are being asked to verify the key, to ensure it was generated by us | |
| 14 | log("debug", "verifying dialback key..."); | |
| 15 | local attr = stanza.attr; | |
| 16 | -- FIXME: Grr, ejabberd breaks this one too?? it is black and white in XEP-220 example 34 | |
| 17 | --if attr.from ~= origin.to_host then error("invalid-from"); end | |
| 18 | local type; | |
| 19 | if s2s_verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then | |
| 20 | type = "valid" | |
| 21 | else | |
| 22 | type = "invalid" | |
| 23 | log("warn", "Asked to verify a dialback key that was incorrect. An imposter is claiming to be %s?", attr.to); | |
| 24 | end | |
| 25 | origin.sends2s(format("<db:verify from='%s' to='%s' id='%s' type='%s'>%s</db:verify>", attr.to, attr.from, attr.id, type, stanza[1])); | |
| 26 | end); | |
| 27 | ||
| 28 | add_handler("s2sin_unauthed", "result", xmlns_dialback, | |
| 29 | function (origin, stanza) | |
| 30 | -- he wants to be identified through dialback | |
| 31 | -- We need to check the key with the Authoritative server | |
| 32 | local attr = stanza.attr; | |
| 33 | local attr = stanza.attr; | |
| 34 | origin.from_host = attr.from; | |
| 35 | origin.to_host = attr.to; | |
| 36 | origin.dialback_key = stanza[1]; | |
| 37 | log("debug", "asking %s if key %s belongs to them", origin.from_host, origin.dialback_key); | |
| 38 | send_s2s(origin.to_host, origin.from_host, format("<db:verify from='%s' to='%s' id='%s'>%s</db:verify>", origin.to_host, origin.from_host, origin.streamid, origin.dialback_key)); | |
| 39 | hosts[origin.from_host].dialback_verifying = origin; | |
| 40 | end); | |
| 41 | ||
| 42 | add_handler({ "s2sout_unauthed", "s2sout" }, "verify", xmlns_dialback, | |
| 43 | function (origin, stanza) | |
| 44 | if origin.dialback_verifying then | |
| 45 | local valid; | |
| 46 | local attr = stanza.attr; | |
| 47 | if attr.type == "valid" then | |
| 48 | s2s_make_authenticated(origin.dialback_verifying); | |
| 49 | valid = "valid"; | |
| 50 | else | |
| 51 | -- Warn the original connection that is was not verified successfully | |
| 52 | log("warn", "dialback for "..(origin.dialback_verifying.from_host or "(unknown)").." failed"); | |
| 53 | valid = "invalid"; | |
| 54 | end | |
| 55 | origin.dialback_verifying.sends2s(format("<db:result from='%s' to='%s' id='%s' type='%s'>%s</db:result>", attr.from, attr.to, attr.id, valid, origin.dialback_verifying.dialback_key)); | |
| 56 | end | |
| 57 | end); | |
| 58 | ||
| 59 | add_handler({ "s2sout_unauthed", "s2sout" }, "result", xmlns_dialback, | |
| 60 | function (origin, stanza) | |
| 61 | if stanza.attr.type == "valid" then | |
| 62 | s2s_make_authenticated(origin); | |
| 63 | else | |
| 64 | -- FIXME | |
| 65 | error("dialback failed!"); | |
| 66 | end | |
| 67 | end); |
