Mercurial > lxmppd-hg-xmllex / file comparison
comparison: core/stanza_router.lua
core/stanza_router.lua
- changeset 212
- 9d6da9ed9063
- parent 206
- 90c387884234
- child 213
- 181f5cc6215b
equal
deleted
inserted
replaced
| 211:22e17cfab36c | 212:9d6da9ed9063 |
|---|---|
| 16 | 16 |
| 17 local s2s_verify_dialback = require "core.s2smanager".verify_dialback; | 17 local s2s_verify_dialback = require "core.s2smanager".verify_dialback; |
| 18 local s2s_make_authenticated = require "core.s2smanager".make_authenticated; | 18 local s2s_make_authenticated = require "core.s2smanager".make_authenticated; |
| 19 | 19 |
| 20 local modules_handle_stanza = require "core.modulemanager".handle_stanza; | 20 local modules_handle_stanza = require "core.modulemanager".handle_stanza; |
| 21 local component_handle_stanza = require "core.componentmanager".handle_stanza; | |
| 21 | 22 |
| 22 local format = string.format; | 23 local format = string.format; |
| 23 local tostring = tostring; | 24 local tostring = tostring; |
| 24 local t_concat = table.concat; | 25 local t_concat = table.concat; |
| 25 local t_insert = table.insert; | 26 local t_insert = table.insert; |
| 29 local jid_split = require "util.jid".split; | 30 local jid_split = require "util.jid".split; |
| 30 local print = print; | 31 local print = print; |
| 31 | 32 |
| 32 function core_process_stanza(origin, stanza) | 33 function core_process_stanza(origin, stanza) |
| 33 log("debug", "Received["..origin.type.."]: "..tostring(stanza)) | 34 log("debug", "Received["..origin.type.."]: "..tostring(stanza)) |
| 35 | |
| 34 -- TODO verify validity of stanza (as well as JID validity) | 36 -- TODO verify validity of stanza (as well as JID validity) |
| 35 if stanza.name == "iq" and not(#stanza.tags == 1 and stanza.tags[1].attr.xmlns) then | 37 if stanza.name == "iq" and not(#stanza.tags == 1 and stanza.tags[1].attr.xmlns) then |
| 36 if stanza.attr.type == "set" or stanza.attr.type == "get" then | 38 if stanza.attr.type == "set" or stanza.attr.type == "get" then |
| 37 error("Invalid IQ"); | 39 error("Invalid IQ"); |
| 38 elseif #stanza.tags > 1 and not(stanza.attr.type == "error" or stanza.attr.type == "result") then | 40 elseif #stanza.tags > 1 and not(stanza.attr.type == "error" or stanza.attr.type == "result") then |
| 44 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" | 46 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" |
| 45 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then | 47 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
| 46 error("Client MUST bind resource after auth"); | 48 error("Client MUST bind resource after auth"); |
| 47 end | 49 end |
| 48 | 50 |
| 49 local to = stanza.attr.to; | |
| 50 -- TODO also, stazas should be returned to their original state before the function ends | 51 -- TODO also, stazas should be returned to their original state before the function ends |
| 51 if origin.type == "c2s" then | 52 if origin.type == "c2s" then |
| 52 stanza.attr.from = origin.full_jid; -- quick fix to prevent impersonation (FIXME this would be incorrect when the origin is not c2s) | 53 stanza.attr.from = origin.full_jid; |
| 53 end | 54 end |
| 54 | 55 local to = stanza.attr.to; |
| 56 local node, host, resource = jid_split(to); | |
| 57 local to_bare = node and (node.."@"..host) or host; -- bare JID | |
| 58 local from = stanza.attr.from; | |
| 59 local from_node, from_host, from_resource = jid_split(from); | |
| 60 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
| 61 | |
| 62 if origin.type == "s2sin" then | |
| 63 if origin.host ~= from_host then -- remote server trying to impersonate some other server? | |
| 64 return; -- FIXME what should we do here? does this work with subdomains? | |
| 65 end | |
| 66 end | |
| 67 if to and not(hosts[to]) and not(hosts[to_bare]) and (not(hosts[host]) or hosts[host].type ~= "local") then -- not for us? | |
| 68 return; -- FIXME what should we do here? | |
| 69 end | |
| 70 | |
| 71 -- FIXME do stanzas not of jabber:client get handled by components? | |
| 55 if not to then | 72 if not to then |
| 56 core_handle_stanza(origin, stanza); | 73 core_handle_stanza(origin, stanza); |
| 74 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server | |
| 75 core_handle_stanza(origin, stanza); | |
| 76 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server | |
| 77 component_handle_stanza(origin, stanza); | |
| 78 elseif hosts[to] and hosts[to].type == "component" then -- hack to allow components to handle node@server/resource and server/resource | |
| 79 component_handle_stanza(origin, stanza); | |
| 80 elseif hosts[host].type == "component" then -- directed at a component | |
| 81 component_handle_stanza(origin, stanza); | |
| 57 elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then | 82 elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then |
| 58 local node, host = jid_split(stanza.attr.to); | |
| 59 local to_bare = node and (node.."@"..host) or host; -- bare JID | |
| 60 local from_node, from_host = jid_split(stanza.attr.from); | |
| 61 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
| 62 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare); | 83 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare); |
| 63 elseif hosts[to] and hosts[to].type == "local" then | 84 elseif stanza.name == "iq" and not resource then -- directed at bare JID |
| 64 core_handle_stanza(origin, stanza); | |
| 65 elseif stanza.name == "iq" and not select(3, jid_split(to)) then | |
| 66 core_handle_stanza(origin, stanza); | 85 core_handle_stanza(origin, stanza); |
| 67 elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then | 86 elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then |
| 68 modules_handle_stanza(origin, stanza); | 87 modules_handle_stanza(origin, stanza); |
| 69 elseif origin.type == "c2s" or origin.type == "s2sin" then | 88 elseif origin.type == "c2s" or origin.type == "s2sin" then |
| 70 core_route_stanza(origin, stanza); | 89 core_route_stanza(origin, stanza); |
| 90 else | |
| 91 log("warn", "stanza not processed"); | |
| 71 end | 92 end |
| 72 end | 93 end |
| 73 | 94 |
| 74 -- This function handles stanzas which are not routed any further, | 95 -- This function handles stanzas which are not routed any further, |
| 75 -- that is, they are handled by this server | 96 -- that is, they are handled by this server |
| 142 end | 163 end |
| 143 stanza.attr.to = nil; -- reset it | 164 stanza.attr.to = nil; -- reset it |
| 144 else | 165 else |
| 145 -- TODO error, bad type | 166 -- TODO error, bad type |
| 146 end | 167 end |
| 147 end | 168 end -- TODO handle other stanzas |
| 148 else | 169 else |
| 149 log("warn", "Unhandled origin: %s", origin.type); | 170 log("warn", "Unhandled origin: %s", origin.type); -- FIXME reply with error |
| 150 end | 171 end |
| 151 end | 172 end |
| 152 | 173 |
| 153 function send_presence_of_available_resources(user, host, jid, recipient_session) | 174 function send_presence_of_available_resources(user, host, jid, recipient_session) |
| 154 local h = hosts[host]; | 175 local h = hosts[host]; |
