Sun, 10 Jan 2010 20:21:48 +0000
util.pposix: Fix return type of lc_abort to shush compiler warning
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1 | -- Prosody IM |
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2 | -- Copyright (C) 2008-2009 Matthew Wild |
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3 | -- Copyright (C) 2008-2009 Waqas Hussain |
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4 | -- |
758 | 5 | -- This project is MIT/X11 licensed. Please see the |
6 | -- COPYING file in the source package for more information. | |
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7 | -- |
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8 | |
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9 | |
30 | 10 | |
11 | local st = require "util.stanza" | |
12 | ||
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13 | local jid_split = require "util.jid".split; |
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14 | local jid_prep = require "util.jid".prep; |
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15 | local t_concat = table.concat; |
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16 | local tostring = tostring; |
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17 | |
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18 | local rm_remove_from_roster = require "core.rostermanager".remove_from_roster; |
110 | 19 | local rm_add_to_roster = require "core.rostermanager".add_to_roster; |
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20 | local rm_roster_push = require "core.rostermanager".roster_push; |
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21 | local core_post_stanza = core_post_stanza; |
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22 | |
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23 | module:add_feature("jabber:iq:roster"); |
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24 | |
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25 | local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"}):tag("optional"):up(); |
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26 | module:add_event_hook("stream-features", |
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27 | function (session, features) |
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28 | if session.username then |
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29 | features:add_child(rosterver_stream_feature); |
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30 | end |
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31 | end); |
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32 | |
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33 | module:add_iq_handler("c2s", "jabber:iq:roster", |
30 | 34 | function (session, stanza) |
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35 | if stanza.tags[1].name == "query" then |
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36 | if stanza.attr.type == "get" then |
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37 | local roster = st.reply(stanza); |
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38 | |
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39 | local ver = stanza.tags[1].attr.ver |
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40 | |
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41 | if (not ver) or tonumber(ver) ~= (session.roster[false].version or 1) then |
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42 | roster:query("jabber:iq:roster"); |
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43 | -- Client does not support versioning, or has stale roster |
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44 | for jid in pairs(session.roster) do |
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45 | if jid ~= "pending" and jid then |
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46 | roster:tag("item", { |
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47 | jid = jid, |
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48 | subscription = session.roster[jid].subscription, |
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49 | ask = session.roster[jid].ask, |
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50 | name = session.roster[jid].name, |
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51 | }); |
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52 | for group in pairs(session.roster[jid].groups) do |
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53 | roster:tag("group"):text(group):up(); |
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54 | end |
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55 | roster:up(); -- move out from item |
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56 | end |
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57 | end |
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58 | roster.tags[1].attr.ver = tostring(session.roster[false].version or "1"); |
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59 | end |
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60 | session.send(roster); |
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61 | session.interested = true; -- resource is interested in roster updates |
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62 | return true; |
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63 | elseif stanza.attr.type == "set" then |
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64 | local query = stanza.tags[1]; |
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65 | if #query.tags == 1 and query.tags[1].name == "item" |
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66 | and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid |
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67 | -- Protection against overwriting roster.pending, until we move it |
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68 | and query.tags[1].attr.jid ~= "pending" then |
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69 | local item = query.tags[1]; |
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70 | local from_node, from_host = jid_split(stanza.attr.from); |
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71 | local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID |
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72 | local jid = jid_prep(item.attr.jid); |
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73 | local node, host, resource = jid_split(jid); |
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74 | if not resource and host then |
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75 | if jid ~= from_node.."@"..from_host then |
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76 | if item.attr.subscription == "remove" then |
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77 | local roster = session.roster; |
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78 | local r_item = roster[jid]; |
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79 | if r_item then |
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80 | local to_bare = node and (node.."@"..host) or host; -- bare JID |
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81 | if r_item.subscription == "both" or r_item.subscription == "from" or (roster.pending and roster.pending[jid]) then |
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82 | core_post_stanza(session, st.presence({type="unsubscribed", from=session.full_jid, to=to_bare})); |
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83 | end |
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84 | if r_item.subscription == "both" or r_item.subscription == "to" or r_item.ask then |
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85 | core_post_stanza(session, st.presence({type="unsubscribe", from=session.full_jid, to=to_bare})); |
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86 | end |
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87 | local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, jid); |
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88 | if success then |
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89 | session.send(st.reply(stanza)); |
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90 | rm_roster_push(from_node, from_host, jid); |
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91 | else |
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92 | session.send(st.error_reply(stanza, err_type, err_cond, err_msg)); |
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93 | end |
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94 | else |
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95 | session.send(st.error_reply(stanza, "modify", "item-not-found")); |
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96 | end |
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97 | else |
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98 | local r_item = {name = item.attr.name, groups = {}}; |
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99 | if r_item.name == "" then r_item.name = nil; end |
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100 | if session.roster[jid] then |
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101 | r_item.subscription = session.roster[jid].subscription; |
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102 | r_item.ask = session.roster[jid].ask; |
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103 | else |
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104 | r_item.subscription = "none"; |
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105 | end |
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106 | for _, child in ipairs(item) do |
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107 | if child.name == "group" then |
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108 | local text = t_concat(child); |
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109 | if text and text ~= "" then |
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110 | r_item.groups[text] = true; |
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111 | end |
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112 | end |
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113 | end |
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114 | local success, err_type, err_cond, err_msg = rm_add_to_roster(session, jid, r_item); |
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115 | if success then |
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116 | -- Ok, send success |
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117 | session.send(st.reply(stanza)); |
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118 | -- and push change to all resources |
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119 | rm_roster_push(from_node, from_host, jid); |
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120 | else |
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121 | -- Adding to roster failed |
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122 | session.send(st.error_reply(stanza, err_type, err_cond, err_msg)); |
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123 | end |
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124 | end |
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125 | else |
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126 | -- Trying to add self to roster |
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127 | session.send(st.error_reply(stanza, "cancel", "not-allowed")); |
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128 | end |
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129 | else |
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130 | -- Invalid JID added to roster |
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131 | session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error? |
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132 | end |
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133 | else |
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134 | -- Roster set didn't include a single item, or its name wasn't 'item' |
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135 | session.send(st.error_reply(stanza, "modify", "bad-request")); |
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136 | end |
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137 | return true; |
30 | 138 | end |
139 | end | |
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140 | end); |