aboutsummaryrefslogtreecommitdiffstats
path: root/util
diff options
context:
space:
mode:
Diffstat (limited to 'util')
-rw-r--r--util/dataforms.lua9
-rw-r--r--util/dependencies.lua18
-rw-r--r--util/indexedbheap.lua157
-rw-r--r--util/paths.lua38
-rw-r--r--util/pluginloader.lua8
-rw-r--r--util/prosodyctl.lua4
-rw-r--r--util/sasl.lua14
-rw-r--r--util/timer.lua62
-rw-r--r--util/vcard.lua576
-rw-r--r--util/x509.lua23
-rw-r--r--util/xmppstream.lua109
11 files changed, 993 insertions, 25 deletions
diff --git a/util/dataforms.lua b/util/dataforms.lua
index b38d0e27..c352858c 100644
--- a/util/dataforms.lua
+++ b/util/dataforms.lua
@@ -94,6 +94,15 @@ function form_t.form(layout, data, formtype)
end
end
+ local media = field.media;
+ if media then
+ form:tag("media", { xmlns = "urn:xmpp:media-element", height = media.height, width = media.width });
+ for _, val in ipairs(media) do
+ form:tag("uri", { type = val.type }):text(val.uri):up()
+ end
+ form:up();
+ end
+
if field.required then
form:tag("required"):up();
end
diff --git a/util/dependencies.lua b/util/dependencies.lua
index 109a3332..ea19d9a8 100644
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -49,6 +49,14 @@ package.preload["util.ztact"] = function ()
end;
function check_dependencies()
+ if _VERSION ~= "Lua 5.1" then
+ print "***********************************"
+ print("Unsupported Lua version: ".._VERSION);
+ print("Only Lua 5.1 is supported.");
+ print "***********************************"
+ return false;
+ end
+
local fatal;
local lxp = softreq "lxp"
@@ -140,7 +148,15 @@ function log_warnings()
if not pcall(lxp.new, { StartDoctypeDecl = false }) then
log("error", "The version of LuaExpat on your system leaves Prosody "
.."vulnerable to denial-of-service attacks. You should upgrade to "
- .."LuaExpat 1.1.1 or higher as soon as possible. See "
+ .."LuaExpat 1.3.0 or higher as soon as possible. See "
+ .."http://prosody.im/doc/depends#luaexpat for more information.");
+ end
+ if not lxp.new({}).getcurrentbytecount then
+ log("error", "The version of LuaExpat on your system does not support "
+ .."stanza size limits, which may leave servers on untrusted "
+ .."networks (e.g. the internet) vulnerable to denial-of-service "
+ .."attacks. You should upgrade to LuaExpat 1.3.0 or higher as "
+ .."soon as possible. See "
.."http://prosody.im/doc/depends#luaexpat for more information.");
end
end
diff --git a/util/indexedbheap.lua b/util/indexedbheap.lua
new file mode 100644
index 00000000..c60861e8
--- /dev/null
+++ b/util/indexedbheap.lua
@@ -0,0 +1,157 @@
+
+local setmetatable = setmetatable;
+local math_floor = math.floor;
+local t_remove = table.remove;
+
+local function _heap_insert(self, item, sync, item2, index)
+ local pos = #self + 1;
+ while true do
+ local half_pos = math_floor(pos / 2);
+ if half_pos == 0 or item > self[half_pos] then break; end
+ self[pos] = self[half_pos];
+ sync[pos] = sync[half_pos];
+ index[sync[pos]] = pos;
+ pos = half_pos;
+ end
+ self[pos] = item;
+ sync[pos] = item2;
+ index[item2] = pos;
+end
+
+local function _percolate_up(self, k, sync, index)
+ local tmp = self[k];
+ local tmp_sync = sync[k];
+ while k ~= 1 do
+ local parent = math_floor(k/2);
+ if tmp < self[parent] then break; end
+ self[k] = self[parent];
+ sync[k] = sync[parent];
+ index[sync[k]] = k;
+ k = parent;
+ end
+ self[k] = tmp;
+ sync[k] = tmp_sync;
+ index[tmp_sync] = k;
+ return k;
+end
+
+local function _percolate_down(self, k, sync, index)
+ local tmp = self[k];
+ local tmp_sync = sync[k];
+ local size = #self;
+ local child = 2*k;
+ while 2*k <= size do
+ if child ~= size and self[child] > self[child + 1] then
+ child = child + 1;
+ end
+ if tmp > self[child] then
+ self[k] = self[child];
+ sync[k] = sync[child];
+ index[sync[k]] = k;
+ else
+ break;
+ end
+
+ k = child;
+ child = 2*k;
+ end
+ self[k] = tmp;
+ sync[k] = tmp_sync;
+ index[tmp_sync] = k;
+ return k;
+end
+
+local function _heap_pop(self, sync, index)
+ local size = #self;
+ if size == 0 then return nil; end
+
+ local result = self[1];
+ local result_sync = sync[1];
+ index[result_sync] = nil;
+ if size == 1 then
+ self[1] = nil;
+ sync[1] = nil;
+ return result, result_sync;
+ end
+ self[1] = t_remove(self);
+ sync[1] = t_remove(sync);
+ index[sync[1]] = 1;
+
+ _percolate_down(self, 1, sync, index);
+
+ return result, result_sync;
+end
+
+local indexed_heap = {};
+
+function indexed_heap:insert(item, priority, id)
+ if id == nil then
+ id = self.current_id;
+ self.current_id = id + 1;
+ end
+ self.items[id] = item;
+ _heap_insert(self.priorities, priority, self.ids, id, self.index);
+ return id;
+end
+function indexed_heap:pop()
+ local priority, id = _heap_pop(self.priorities, self.ids, self.index);
+ if id then
+ local item = self.items[id];
+ self.items[id] = nil;
+ return priority, item, id;
+ end
+end
+function indexed_heap:peek()
+ return self.priorities[1];
+end
+function indexed_heap:reprioritize(id, priority)
+ local k = self.index[id];
+ if k == nil then return; end
+ self.priorities[k] = priority;
+
+ k = _percolate_up(self.priorities, k, self.ids, self.index);
+ k = _percolate_down(self.priorities, k, self.ids, self.index);
+end
+function indexed_heap:remove_index(k)
+ local result = self.priorities[k];
+ if result == nil then return; end
+
+ local result_sync = self.ids[k];
+ local item = self.items[result_sync];
+ local size = #self.priorities;
+
+ self.priorities[k] = self.priorities[size];
+ self.ids[k] = self.ids[size];
+ self.index[self.ids[k]] = k;
+
+ t_remove(self.priorities);
+ t_remove(self.ids);
+
+ self.index[result_sync] = nil;
+ self.items[result_sync] = nil;
+
+ if size > k then
+ k = _percolate_up(self.priorities, k, self.ids, self.index);
+ k = _percolate_down(self.priorities, k, self.ids, self.index);
+ end
+
+ return result, item, result_sync;
+end
+function indexed_heap:remove(id)
+ return self:remove_index(self.index[id]);
+end
+
+local mt = { __index = indexed_heap };
+
+local _M = {
+ create = function()
+ return setmetatable({
+ ids = {}; -- heap of ids, sync'd with priorities
+ items = {}; -- map id->items
+ priorities = {}; -- heap of priorities
+ index = {}; -- map of id->index of id in ids
+ current_id = 1.5
+ }, mt);
+ end
+};
+return _M;
diff --git a/util/paths.lua b/util/paths.lua
new file mode 100644
index 00000000..3e5744df
--- /dev/null
+++ b/util/paths.lua
@@ -0,0 +1,38 @@
+local path_sep = package.config:sub(1,1);
+
+local path_util = {}
+
+-- Helper function to resolve relative paths (needed by config)
+function path_util.resolve_relative_path(parent_path, path)
+ if path then
+ -- Some normalization
+ parent_path = parent_path:gsub("%"..path_sep.."+$", "");
+ path = path:gsub("^%.%"..path_sep.."+", "");
+
+ local is_relative;
+ if path_sep == "/" and path:sub(1,1) ~= "/" then
+ is_relative = true;
+ elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then
+ is_relative = true;
+ end
+ if is_relative then
+ return parent_path..path_sep..path;
+ end
+ end
+ return path;
+end
+
+-- Helper function to convert a glob to a Lua pattern
+function path_util.glob_to_pattern(glob)
+ return "^"..glob:gsub("[%p*?]", function (c)
+ if c == "*" then
+ return ".*";
+ elseif c == "?" then
+ return ".";
+ else
+ return "%"..c;
+ end
+ end).."$";
+end
+
+return path_util;
diff --git a/util/pluginloader.lua b/util/pluginloader.lua
index b894f527..b9b3e207 100644
--- a/util/pluginloader.lua
+++ b/util/pluginloader.lua
@@ -39,10 +39,10 @@ function load_resource(plugin, resource)
resource = resource or "mod_"..plugin..".lua";
local names = {
- "mod_"..plugin.."/"..plugin.."/"..resource; -- mod_hello/hello/mod_hello.lua
- "mod_"..plugin.."/"..resource; -- mod_hello/mod_hello.lua
- plugin.."/"..resource; -- hello/mod_hello.lua
- resource; -- mod_hello.lua
+ "mod_"..plugin..dir_sep..plugin..dir_sep..resource; -- mod_hello/hello/mod_hello.lua
+ "mod_"..plugin..dir_sep..resource; -- mod_hello/mod_hello.lua
+ plugin..dir_sep..resource; -- hello/mod_hello.lua
+ resource; -- mod_hello.lua
};
return load_file(names);
diff --git a/util/prosodyctl.lua b/util/prosodyctl.lua
index fe862114..d59c163c 100644
--- a/util/prosodyctl.lua
+++ b/util/prosodyctl.lua
@@ -189,8 +189,8 @@ function getpid()
return false, "no-pidfile";
end
- local modules_enabled = set.new(config.get("*", "modules_enabled"));
- if not modules_enabled:contains("posix") then
+ local modules_enabled = set.new(config.get("*", "modules_disabled"));
+ if prosody.platform ~= "posix" or modules_enabled:contains("posix") then
return false, "no-posix";
end
diff --git a/util/sasl.lua b/util/sasl.lua
index c8490842..b91e29a6 100644
--- a/util/sasl.lua
+++ b/util/sasl.lua
@@ -100,14 +100,16 @@ end
function method:mechanisms()
local current_mechs = {};
for mech, _ in pairs(self.mechs) do
- if mechanism_channelbindings[mech] and self.profile.cb then
- local ok = false;
- for cb_name, _ in pairs(self.profile.cb) do
- if mechanism_channelbindings[mech][cb_name] then
- ok = true;
+ if mechanism_channelbindings[mech] then
+ if self.profile.cb then
+ local ok = false;
+ for cb_name, _ in pairs(self.profile.cb) do
+ if mechanism_channelbindings[mech][cb_name] then
+ ok = true;
+ end
end
+ if ok == true then current_mechs[mech] = true; end
end
- if ok == true then current_mechs[mech] = true; end
else
current_mechs[mech] = true;
end
diff --git a/util/timer.lua b/util/timer.lua
index 0e10e144..23bd6a37 100644
--- a/util/timer.lua
+++ b/util/timer.lua
@@ -6,6 +6,8 @@
-- COPYING file in the source package for more information.
--
+local indexedbheap = require "util.indexedbheap";
+local log = require "util.logger".init("timer");
local server = require "net.server";
local math_min = math.min
local math_huge = math.huge
@@ -13,6 +15,9 @@ local get_time = require "socket".gettime;
local t_insert = table.insert;
local pairs = pairs;
local type = type;
+local debug_traceback = debug.traceback;
+local tostring = tostring;
+local xpcall = xpcall;
local data = {};
local new_data = {};
@@ -78,6 +83,61 @@ else
end
end
-add_task = _add_task;
+--add_task = _add_task;
+
+local h = indexedbheap.create();
+local params = {};
+local next_time = nil;
+local _id, _callback, _now, _param;
+local function _call() return _callback(_now, _id, _param); end
+local function _traceback_handler(err) log("error", "Traceback[timer]: %s", debug_traceback(tostring(err), 2)); end
+local function _on_timer(now)
+ local peek;
+ while true do
+ peek = h:peek();
+ if peek == nil or peek > now then break; end
+ local _;
+ _, _callback, _id = h:pop();
+ _now = now;
+ _param = params[_id];
+ params[_id] = nil;
+ --item(now, id, _param); -- FIXME pcall
+ local success, err = xpcall(_call, _traceback_handler);
+ if success and type(err) == "number" then
+ h:insert(_callback, err + now, _id); -- re-add
+ params[_id] = _param;
+ end
+ end
+ next_time = peek;
+ if peek ~= nil then
+ return peek - now;
+ end
+end
+function add_task(delay, callback, param)
+ local current_time = get_time();
+ local event_time = current_time + delay;
+
+ local id = h:insert(callback, event_time);
+ params[id] = param;
+ if next_time == nil or event_time < next_time then
+ next_time = event_time;
+ _add_task(next_time - current_time, _on_timer);
+ end
+ return id;
+end
+function stop(id)
+ params[id] = nil;
+ return h:remove(id);
+end
+function reschedule(id, delay)
+ local current_time = get_time();
+ local event_time = current_time + delay;
+ h:reprioritize(id, delay);
+ if next_time == nil or event_time < next_time then
+ next_time = event_time;
+ _add_task(next_time - current_time, _on_timer);
+ end
+ return id;
+end
return _M;
diff --git a/util/vcard.lua b/util/vcard.lua
new file mode 100644
index 00000000..29a40844
--- /dev/null
+++ b/util/vcard.lua
@@ -0,0 +1,576 @@
+-- Copyright (C) 2011-2014 Kim Alvefur
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+-- TODO
+-- Fix folding.
+
+local st = require "util.stanza";
+local t_insert, t_concat = table.insert, table.concat;
+local type = type;
+local next, pairs, ipairs = next, pairs, ipairs;
+
+local from_text, to_text, from_xep54, to_xep54;
+
+local line_sep = "\n";
+
+local vCard_dtd; -- See end of file
+local vCard4_dtd;
+
+local function fold_line()
+ error "Not implemented" --TODO
+end
+local function unfold_line()
+ error "Not implemented"
+ -- gsub("\r?\n[ \t]([^\r\n])", "%1");
+end
+
+local function vCard_esc(s)
+ return s:gsub("[,:;\\]", "\\%1"):gsub("\n","\\n");
+end
+
+local function vCard_unesc(s)
+ return s:gsub("\\?[\\nt:;,]", {
+ ["\\\\"] = "\\",
+ ["\\n"] = "\n",
+ ["\\r"] = "\r",
+ ["\\t"] = "\t",
+ ["\\:"] = ":", -- FIXME Shouldn't need to espace : in values, just params
+ ["\\;"] = ";",
+ ["\\,"] = ",",
+ [":"] = "\29",
+ [";"] = "\30",
+ [","] = "\31",
+ });
+end
+
+local function item_to_xep54(item)
+ local t = st.stanza(item.name, { xmlns = "vcard-temp" });
+
+ local prop_def = vCard_dtd[item.name];
+ if prop_def == "text" then
+ t:text(item[1]);
+ elseif type(prop_def) == "table" then
+ if prop_def.types and item.TYPE then
+ if type(item.TYPE) == "table" then
+ for _,v in pairs(prop_def.types) do
+ for _,typ in pairs(item.TYPE) do
+ if typ:upper() == v then
+ t:tag(v):up();
+ break;
+ end
+ end
+ end
+ else
+ t:tag(item.TYPE:upper()):up();
+ end
+ end
+
+ if prop_def.props then
+ for _,v in pairs(prop_def.props) do
+ if item[v] then
+ t:tag(v):up();
+ end
+ end
+ end
+
+ if prop_def.value then
+ t:tag(prop_def.value):text(item[1]):up();
+ elseif prop_def.values then
+ local prop_def_values = prop_def.values;
+ local repeat_last = prop_def_values.behaviour == "repeat-last" and prop_def_values[#prop_def_values];
+ for i=1,#item do
+ t:tag(prop_def.values[i] or repeat_last):text(item[i]):up();
+ end
+ end
+ end
+
+ return t;
+end
+
+local function vcard_to_xep54(vCard)
+ local t = st.stanza("vCard", { xmlns = "vcard-temp" });
+ for i=1,#vCard do
+ t:add_child(item_to_xep54(vCard[i]));
+ end
+ return t;
+end
+
+function to_xep54(vCards)
+ if not vCards[1] or vCards[1].name then
+ return vcard_to_xep54(vCards)
+ else
+ local t = st.stanza("xCard", { xmlns = "vcard-temp" });
+ for i=1,#vCards do
+ t:add_child(vcard_to_xep54(vCards[i]));
+ end
+ return t;
+ end
+end
+
+function from_text(data)
+ data = data -- unfold and remove empty lines
+ :gsub("\r\n","\n")
+ :gsub("\n ", "")
+ :gsub("\n\n+","\n");
+ local vCards = {};
+ local c; -- current item
+ for line in data:gmatch("[^\n]+") do
+ local line = vCard_unesc(line);
+ local name, params, value = line:match("^([-%a]+)(\30?[^\29]*)\29(.*)$");
+ value = value:gsub("\29",":");
+ if #params > 0 then
+ local _params = {};
+ for k,isval,v in params:gmatch("\30([^=]+)(=?)([^\30]*)") do
+ k = k:upper();
+ local _vt = {};
+ for _p in v:gmatch("[^\31]+") do
+ _vt[#_vt+1]=_p
+ _vt[_p]=true;
+ end
+ if isval == "=" then
+ _params[k]=_vt;
+ else
+ _params[k]=true;
+ end
+ end
+ params = _params;
+ end
+ if name == "BEGIN" and value == "VCARD" then
+ c = {};
+ vCards[#vCards+1] = c;
+ elseif name == "END" and value == "VCARD" then
+ c = nil;
+ elseif c and vCard_dtd[name] then
+ local dtd = vCard_dtd[name];
+ local p = { name = name };
+ c[#c+1]=p;
+ --c[name]=p;
+ local up = c;
+ c = p;
+ if dtd.types then
+ for _, t in ipairs(dtd.types) do
+ local t = t:lower();
+ if ( params.TYPE and params.TYPE[t] == true)
+ or params[t] == true then
+ c.TYPE=t;
+ end
+ end
+ end
+ if dtd.props then
+ for _, p in ipairs(dtd.props) do
+ if params[p] then
+ if params[p] == true then
+ c[p]=true;
+ else
+ for _, prop in ipairs(params[p]) do
+ c[p]=prop;
+ end
+ end
+ end
+ end
+ end
+ if dtd == "text" or dtd.value then
+ t_insert(c, value);
+ elseif dtd.values then
+ local value = "\30"..value;
+ for p in value:gmatch("\30([^\30]*)") do
+ t_insert(c, p);
+ end
+ end
+ c = up;
+ end
+ end
+ return vCards;
+end
+
+local function item_to_text(item)
+ local value = {};
+ for i=1,#item do
+ value[i] = vCard_esc(item[i]);
+ end
+ value = t_concat(value, ";");
+
+ local params = "";
+ for k,v in pairs(item) do
+ if type(k) == "string" and k ~= "name" then
+ params = params .. (";%s=%s"):format(k, type(v) == "table" and t_concat(v,",") or v);
+ end
+ end
+
+ return ("%s%s:%s"):format(item.name, params, value)
+end
+
+local function vcard_to_text(vcard)
+ local t={};
+ t_insert(t, "BEGIN:VCARD")
+ for i=1,#vcard do
+ t_insert(t, item_to_text(vcard[i]));
+ end
+ t_insert(t, "END:VCARD")
+ return t_concat(t, line_sep);
+end
+
+function to_text(vCards)
+ if vCards[1] and vCards[1].name then
+ return vcard_to_text(vCards)
+ else
+ local t = {};
+ for i=1,#vCards do
+ t[i]=vcard_to_text(vCards[i]);
+ end
+ return t_concat(t, line_sep);
+ end
+end
+
+local function from_xep54_item(item)
+ local prop_name = item.name;
+ local prop_def = vCard_dtd[prop_name];
+
+ local prop = { name = prop_name };
+
+ if prop_def == "text" then
+ prop[1] = item:get_text();
+ elseif type(prop_def) == "table" then
+ if prop_def.value then --single item
+ prop[1] = item:get_child_text(prop_def.value) or "";
+ elseif prop_def.values then --array
+ local value_names = prop_def.values;
+ if value_names.behaviour == "repeat-last" then
+ for i=1,#item.tags do
+ t_insert(prop, item.tags[i]:get_text() or "");
+ end
+ else
+ for i=1,#value_names do
+ t_insert(prop, item:get_child_text(value_names[i]) or "");
+ end
+ end
+ elseif prop_def.names then
+ local names = prop_def.names;
+ for i=1,#names do
+ if item:get_child(names[i]) then
+ prop[1] = names[i];
+ break;
+ end
+ end
+ end
+
+ if prop_def.props_verbatim then
+ for k,v in pairs(prop_def.props_verbatim) do
+ prop[k] = v;
+ end
+ end
+
+ if prop_def.types then
+ local types = prop_def.types;
+ prop.TYPE = {};
+ for i=1,#types do
+ if item:get_child(types[i]) then
+ t_insert(prop.TYPE, types[i]:lower());
+ end
+ end
+ if #prop.TYPE == 0 then
+ prop.TYPE = nil;
+ end
+ end
+
+ -- A key-value pair, within a key-value pair?
+ if prop_def.props then
+ local params = prop_def.props;
+ for i=1,#params do
+ local name = params[i]
+ local data = item:get_child_text(name);
+ if data then
+ prop[name] = prop[name] or {};
+ t_insert(prop[name], data);
+ end
+ end
+ end
+ else
+ return nil
+ end
+
+ return prop;
+end
+
+local function from_xep54_vCard(vCard)
+ local tags = vCard.tags;
+ local t = {};
+ for i=1,#tags do
+ t_insert(t, from_xep54_item(tags[i]));
+ end
+ return t
+end
+
+function from_xep54(vCard)
+ if vCard.attr.xmlns ~= "vcard-temp" then
+ return nil, "wrong-xmlns";
+ end
+ if vCard.name == "xCard" then -- A collection of vCards
+ local t = {};
+ local vCards = vCard.tags;
+ for i=1,#vCards do
+ t[i] = from_xep54_vCard(vCards[i]);
+ end
+ return t
+ elseif vCard.name == "vCard" then -- A single vCard
+ return from_xep54_vCard(vCard)
+ end
+end
+
+local vcard4 = { }
+
+function vcard4:text(node, params, value)
+ self:tag(node:lower())
+ -- FIXME params
+ if type(value) == "string" then
+ self:tag("text"):text(value):up()
+ elseif vcard4[node] then
+ vcard4[node](value);
+ end
+ self:up();
+end
+
+function vcard4.N(value)
+ for i, k in ipairs(vCard_dtd.N.values) do
+ value:tag(k):text(value[i]):up();
+ end
+end
+
+local xmlns_vcard4 = "urn:ietf:params:xml:ns:vcard-4.0"
+
+local function item_to_vcard4(item)
+ local typ = item.name:lower();
+ local t = st.stanza(typ, { xmlns = xmlns_vcard4 });
+
+ local prop_def = vCard4_dtd[typ];
+ if prop_def == "text" then
+ t:tag("text"):text(item[1]):up();
+ elseif type(prop_def) == "table" then
+ if prop_def.values then
+ for i, v in ipairs(prop_def.values) do
+ t:tag(v:lower()):text(item[i] or ""):up();
+ end
+ else
+ t:tag("unsupported",{xmlns="http://zash.se/protocol/vcardlib"})
+ end
+ else
+ t:tag("unsupported",{xmlns="http://zash.se/protocol/vcardlib"})
+ end
+ return t;
+end
+
+local function vcard_to_vcard4xml(vCard)
+ local t = st.stanza("vcard", { xmlns = xmlns_vcard4 });
+ for i=1,#vCard do
+ t:add_child(item_to_vcard4(vCard[i]));
+ end
+ return t;
+end
+
+local function vcards_to_vcard4xml(vCards)
+ if not vCards[1] or vCards[1].name then
+ return vcard_to_vcard4xml(vCards)
+ else
+ local t = st.stanza("vcards", { xmlns = xmlns_vcard4 });
+ for i=1,#vCards do
+ t:add_child(vcard_to_vcard4xml(vCards[i]));
+ end
+ return t;
+ end
+end
+
+-- This was adapted from http://xmpp.org/extensions/xep-0054.html#dtd
+vCard_dtd = {
+ VERSION = "text", --MUST be 3.0, so parsing is redundant
+ FN = "text",
+ N = {
+ values = {
+ "FAMILY",
+ "GIVEN",
+ "MIDDLE",
+ "PREFIX",
+ "SUFFIX",
+ },
+ },
+ NICKNAME = "text",
+ PHOTO = {
+ props_verbatim = { ENCODING = { "b" } },
+ props = { "TYPE" },
+ value = "BINVAL", --{ "EXTVAL", },
+ },
+ BDAY = "text",
+ ADR = {
+ types = {
+ "HOME",
+ "WORK",
+ "POSTAL",
+ "PARCEL",
+ "DOM",
+ "INTL",
+ "PREF",
+ },
+ values = {
+ "POBOX",
+ "EXTADD",
+ "STREET",
+ "LOCALITY",
+ "REGION",
+ "PCODE",
+ "CTRY",
+ }
+ },
+ LABEL = {
+ types = {
+ "HOME",
+ "WORK",
+ "POSTAL",
+ "PARCEL",
+ "DOM",
+ "INTL",
+ "PREF",
+ },
+ value = "LINE",
+ },
+ TEL = {
+ types = {
+ "HOME",
+ "WORK",
+ "VOICE",
+ "FAX",
+ "PAGER",
+ "MSG",
+ "CELL",
+ "VIDEO",
+ "BBS",
+ "MODEM",
+ "ISDN",
+ "PCS",
+ "PREF",
+ },
+ value = "NUMBER",
+ },
+ EMAIL = {
+ types = {
+ "HOME",
+ "WORK",
+ "INTERNET",
+ "PREF",
+ "X400",
+ },
+ value = "USERID",
+ },
+ JABBERID = "text",
+ MAILER = "text",
+ TZ = "text",
+ GEO = {
+ values = {
+ "LAT",
+ "LON",
+ },
+ },
+ TITLE = "text",
+ ROLE = "text",
+ LOGO = "copy of PHOTO",
+ AGENT = "text",
+ ORG = {
+ values = {
+ behaviour = "repeat-last",
+ "ORGNAME",
+ "ORGUNIT",
+ }
+ },
+ CATEGORIES = {
+ values = "KEYWORD",
+ },
+ NOTE = "text",
+ PRODID = "text",
+ REV = "text",
+ SORTSTRING = "text",
+ SOUND = "copy of PHOTO",
+ UID = "text",
+ URL = "text",
+ CLASS = {
+ names = { -- The item.name is the value if it's one of these.
+ "PUBLIC",
+ "PRIVATE",
+ "CONFIDENTIAL",
+ },
+ },
+ KEY = {
+ props = { "TYPE" },
+ value = "CRED",
+ },
+ DESC = "text",
+};
+vCard_dtd.LOGO = vCard_dtd.PHOTO;
+vCard_dtd.SOUND = vCard_dtd.PHOTO;
+
+vCard4_dtd = {
+ source = "uri",
+ kind = "text",
+ xml = "text",
+ fn = "text",
+ n = {
+ values = {
+ "family",
+ "given",
+ "middle",
+ "prefix",
+ "suffix",
+ },
+ },
+ nickname = "text",
+ photo = "uri",
+ bday = "date-and-or-time",
+ anniversary = "date-and-or-time",
+ gender = "text",
+ adr = {
+ values = {
+ "pobox",
+ "ext",
+ "street",
+ "locality",
+ "region",
+ "code",
+ "country",
+ }
+ },
+ tel = "text",
+ email = "text",
+ impp = "uri",
+ lang = "language-tag",
+ tz = "text",
+ geo = "uri",
+ title = "text",
+ role = "text",
+ logo = "uri",
+ org = "text",
+ member = "uri",
+ related = "uri",
+ categories = "text",
+ note = "text",
+ prodid = "text",
+ rev = "timestamp",
+ sound = "uri",
+ uid = "uri",
+ clientpidmap = "number, uuid",
+ url = "uri",
+ version = "text",
+ key = "uri",
+ fburl = "uri",
+ caladruri = "uri",
+ caluri = "uri",
+};
+
+return {
+ from_text = from_text;
+ to_text = to_text;
+
+ from_xep54 = from_xep54;
+ to_xep54 = to_xep54;
+
+ to_vcard4 = vcards_to_vcard4xml;
+};
diff --git a/util/x509.lua b/util/x509.lua
index 857f02a4..5e1b49e5 100644
--- a/util/x509.lua
+++ b/util/x509.lua
@@ -20,11 +20,9 @@
local nameprep = require "util.encodings".stringprep.nameprep;
local idna_to_ascii = require "util.encodings".idna.to_ascii;
+local base64 = require "util.encodings".base64;
local log = require "util.logger".init("x509");
-local pairs, ipairs = pairs, ipairs;
local s_format = string.format;
-local t_insert = table.insert;
-local t_concat = table.concat;
module "x509"
@@ -214,4 +212,23 @@ function verify_identity(host, service, cert)
return false
end
+local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n"..
+"([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-";
+
+function pem2der(pem)
+ local typ, data = pem:match(pat);
+ if typ and data then
+ return base64.decode(data), typ;
+ end
+end
+
+local wrap = ('.'):rep(64);
+local envelope = "-----BEGIN %s-----\n%s\n-----END %s-----\n"
+
+function der2pem(data, typ)
+ typ = typ and typ:upper() or "CERTIFICATE";
+ data = base64.encode(data);
+ return s_format(envelope, typ, data:gsub(wrap, '%0\n', (#data-1)/64), typ);
+end
+
return _M;
diff --git a/util/xmppstream.lua b/util/xmppstream.lua
index 550170c9..6982aae3 100644
--- a/util/xmppstream.lua
+++ b/util/xmppstream.lua
@@ -6,7 +6,6 @@
-- COPYING file in the source package for more information.
--
-
local lxp = require "lxp";
local st = require "util.stanza";
local stanza_mt = st.stanza_mt;
@@ -20,6 +19,10 @@ local setmetatable = setmetatable;
-- COMPAT: w/LuaExpat 1.1.0
local lxp_supports_doctype = pcall(lxp.new, { StartDoctypeDecl = false });
+local lxp_supports_xmldecl = pcall(lxp.new, { XmlDecl = false });
+local lxp_supports_bytecount = not not lxp.new({}).getcurrentbytecount;
+
+local default_stanza_size_limit = 1024*1024*10; -- 10MB
module "xmppstream"
@@ -40,13 +43,16 @@ local ns_pattern = "^([^"..ns_separator.."]*)"..ns_separator.."?(.*)$";
_M.ns_separator = ns_separator;
_M.ns_pattern = ns_pattern;
-function new_sax_handlers(session, stream_callbacks)
+local function dummy_cb() end
+
+function new_sax_handlers(session, stream_callbacks, cb_handleprogress)
local xml_handlers = {};
local cb_streamopened = stream_callbacks.streamopened;
local cb_streamclosed = stream_callbacks.streamclosed;
local cb_error = stream_callbacks.error or function(session, e, stanza) error("XML stream error: "..tostring(e)..(stanza and ": "..tostring(stanza) or ""),2); end;
local cb_handlestanza = stream_callbacks.handlestanza;
+ cb_handleprogress = cb_handleprogress or dummy_cb;
local stream_ns = stream_callbacks.stream_ns or xmlns_streams;
local stream_tag = stream_callbacks.stream_tag or "stream";
@@ -59,6 +65,7 @@ function new_sax_handlers(session, stream_callbacks)
local stack = {};
local chardata, stanza = {};
+ local stanza_size = 0;
local non_streamns_depth = 0;
function xml_handlers:StartElement(tagname, attr)
if stanza and #chardata > 0 then
@@ -87,10 +94,17 @@ function new_sax_handlers(session, stream_callbacks)
end
if not stanza then --if we are not currently inside a stanza
+ if lxp_supports_bytecount then
+ stanza_size = self:getcurrentbytecount();
+ end
if session.notopen then
if tagname == stream_tag then
non_streamns_depth = 0;
if cb_streamopened then
+ if lxp_supports_bytecount then
+ cb_handleprogress(stanza_size);
+ stanza_size = 0;
+ end
cb_streamopened(session, attr);
end
else
@@ -105,6 +119,9 @@ function new_sax_handlers(session, stream_callbacks)
stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt);
else -- we are inside a stanza, so add a tag
+ if lxp_supports_bytecount then
+ stanza_size = stanza_size + self:getcurrentbytecount();
+ end
t_insert(stack, stanza);
local oldstanza = stanza;
stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt);
@@ -112,12 +129,45 @@ function new_sax_handlers(session, stream_callbacks)
t_insert(oldstanza.tags, stanza);
end
end
+ if lxp_supports_xmldecl then
+ function xml_handlers:XmlDecl(version, encoding, standalone)
+ if lxp_supports_bytecount then
+ cb_handleprogress(self:getcurrentbytecount());
+ end
+ end
+ end
+ function xml_handlers:StartCdataSection()
+ if lxp_supports_bytecount then
+ if stanza then
+ stanza_size = stanza_size + self:getcurrentbytecount();
+ else
+ cb_handleprogress(self:getcurrentbytecount());
+ end
+ end
+ end
+ function xml_handlers:EndCdataSection()
+ if lxp_supports_bytecount then
+ if stanza then
+ stanza_size = stanza_size + self:getcurrentbytecount();
+ else
+ cb_handleprogress(self:getcurrentbytecount());
+ end
+ end
+ end
function xml_handlers:CharacterData(data)
if stanza then
+ if lxp_supports_bytecount then
+ stanza_size = stanza_size + self:getcurrentbytecount();
+ end
t_insert(chardata, data);
+ elseif lxp_supports_bytecount then
+ cb_handleprogress(self:getcurrentbytecount());
end
end
function xml_handlers:EndElement(tagname)
+ if lxp_supports_bytecount then
+ stanza_size = stanza_size + self:getcurrentbytecount()
+ end
if non_streamns_depth > 0 then
non_streamns_depth = non_streamns_depth - 1;
end
@@ -129,6 +179,10 @@ function new_sax_handlers(session, stream_callbacks)
end
-- Complete stanza
if #stack == 0 then
+ if lxp_supports_bytecount then
+ cb_handleprogress(stanza_size);
+ end
+ stanza_size = 0;
if tagname ~= stream_error_tag then
cb_handlestanza(session, stanza);
else
@@ -159,7 +213,7 @@ function new_sax_handlers(session, stream_callbacks)
xml_handlers.ProcessingInstruction = restricted_handler;
local function reset()
- stanza, chardata = nil, {};
+ stanza, chardata, stanza_size = nil, {}, 0;
stack = {};
end
@@ -170,19 +224,58 @@ function new_sax_handlers(session, stream_callbacks)
return xml_handlers, { reset = reset, set_session = set_session };
end
-function new(session, stream_callbacks)
- local handlers, meta = new_sax_handlers(session, stream_callbacks);
- local parser = new_parser(handlers, ns_separator);
+function new(session, stream_callbacks, stanza_size_limit)
+ -- Used to track parser progress (e.g. to enforce size limits)
+ local n_outstanding_bytes = 0;
+ local handle_progress;
+ if lxp_supports_bytecount then
+ function handle_progress(n_parsed_bytes)
+ n_outstanding_bytes = n_outstanding_bytes - n_parsed_bytes;
+ end
+ stanza_size_limit = stanza_size_limit or default_stanza_size_limit;
+ elseif stanza_size_limit then
+ error("Stanza size limits are not supported on this version of LuaExpat")
+ end
+
+ local handlers, meta = new_sax_handlers(session, stream_callbacks, handle_progress);
+ local parser = new_parser(handlers, ns_separator, false);
local parse = parser.parse;
+ function session.open_stream(session, from, to)
+ local send = session.sends2s or session.send;
+
+ local attr = {
+ ["xmlns:stream"] = "http://etherx.jabber.org/streams",
+ ["xml:lang"] = "en",
+ xmlns = stream_callbacks.default_ns,
+ version = session.version and (session.version > 0 and "1.0" or nil),
+ id = session.streamid or "",
+ from = from or session.host, to = to,
+ };
+ if session.stream_attrs then
+ session:stream_attrs(from, to, attr)
+ end
+ send("<?xml version='1.0'?>");
+ send(st.stanza("stream:stream", attr):top_tag());
+ return true;
+ end
+
return {
reset = function ()
- parser = new_parser(handlers, ns_separator);
+ parser = new_parser(handlers, ns_separator, false);
parse = parser.parse;
+ n_outstanding_bytes = 0;
meta.reset();
end,
feed = function (self, data)
- return parse(parser, data);
+ if lxp_supports_bytecount then
+ n_outstanding_bytes = n_outstanding_bytes + #data;
+ end
+ local ok, err = parse(parser, data);
+ if lxp_supports_bytecount and n_outstanding_bytes > stanza_size_limit then
+ return nil, "stanza-too-large";
+ end
+ return ok, err;
end,
set_session = meta.set_session;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-18 02:52:00 +0000