mirror of
https://github.com/processone/ejabberd.git
synced 2024-06-02 21:17:12 +02:00
47537aa901
This is useful for Elixir configuration, as binary is the more natural data type. Closes #514
1065 lines
36 KiB
Erlang
1065 lines
36 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : ejabberd_config.erl
|
|
%%% Author : Alexey Shchepin <alexey@process-one.net>
|
|
%%% Purpose : Load config file
|
|
%%% Created : 14 Dec 2002 by Alexey Shchepin <alexey@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2015 ProcessOne
|
|
%%%
|
|
%%% This program is free software; you can redistribute it and/or
|
|
%%% modify it under the terms of the GNU General Public License as
|
|
%%% published by the Free Software Foundation; either version 2 of the
|
|
%%% License, or (at your option) any later version.
|
|
%%%
|
|
%%% This program is distributed in the hope that it will be useful,
|
|
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
%%% General Public License for more details.
|
|
%%%
|
|
%%% You should have received a copy of the GNU General Public License along
|
|
%%% with this program; if not, write to the Free Software Foundation, Inc.,
|
|
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
%%%
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(ejabberd_config).
|
|
-author('alexey@process-one.net').
|
|
|
|
-export([start/0, load_file/1, reload_file/0, read_file/1,
|
|
add_global_option/2, add_local_option/2,
|
|
get_global_option/2, get_local_option/2,
|
|
get_global_option/3, get_local_option/3,
|
|
get_option/2, get_option/3, add_option/2,
|
|
get_vh_by_auth_method/1, is_file_readable/1,
|
|
get_version/0, get_myhosts/0, get_mylang/0,
|
|
prepare_opt_val/4, convert_table_to_binary/5,
|
|
transform_options/1, collect_options/1,
|
|
convert_to_yaml/1, convert_to_yaml/2,
|
|
env_binary_to_list/2]).
|
|
|
|
-include("ejabberd.hrl").
|
|
-include("logger.hrl").
|
|
-include("ejabberd_config.hrl").
|
|
-include_lib("kernel/include/file.hrl").
|
|
|
|
|
|
%% @type macro() = {macro_key(), macro_value()}
|
|
|
|
%% @type macro_key() = atom().
|
|
%% The atom must have all characters in uppercase.
|
|
|
|
%% @type macro_value() = term().
|
|
|
|
|
|
start() ->
|
|
case catch mnesia:table_info(local_config, storage_type) of
|
|
disc_copies ->
|
|
mnesia:delete_table(local_config);
|
|
_ ->
|
|
ok
|
|
end,
|
|
mnesia:create_table(local_config,
|
|
[{ram_copies, [node()]},
|
|
{local_content, true},
|
|
{attributes, record_info(fields, local_config)}]),
|
|
mnesia:add_table_copy(local_config, node(), ram_copies),
|
|
Config = get_ejabberd_config_path(),
|
|
State = read_file(Config),
|
|
%% This start time is used by mod_last:
|
|
{MegaSecs, Secs, _} = now(),
|
|
UnixTime = MegaSecs*1000000 + Secs,
|
|
SharedKey = case erlang:get_cookie() of
|
|
nocookie ->
|
|
p1_sha:sha(randoms:get_string());
|
|
Cookie ->
|
|
p1_sha:sha(jlib:atom_to_binary(Cookie))
|
|
end,
|
|
State1 = set_option({node_start, global}, UnixTime, State),
|
|
State2 = set_option({shared_key, global}, SharedKey, State1),
|
|
set_opts(State2).
|
|
|
|
%% @doc Get the filename of the ejabberd configuration file.
|
|
%% The filename can be specified with: erl -config "/path/to/ejabberd.yml".
|
|
%% It can also be specified with the environtment variable EJABBERD_CONFIG_PATH.
|
|
%% If not specified, the default value 'ejabberd.yml' is assumed.
|
|
%% @spec () -> string()
|
|
get_ejabberd_config_path() ->
|
|
case get_env_config() of
|
|
{ok, Path} -> Path;
|
|
undefined ->
|
|
case os:getenv("EJABBERD_CONFIG_PATH") of
|
|
false ->
|
|
?CONFIG_PATH;
|
|
Path ->
|
|
Path
|
|
end
|
|
end.
|
|
|
|
-spec get_env_config() -> {ok, string()} | undefined.
|
|
get_env_config() ->
|
|
%% First case: the filename can be specified with: erl -config "/path/to/ejabberd.yml".
|
|
case application:get_env(config) of
|
|
R = {ok, _Path} -> R;
|
|
undefined ->
|
|
%% Second case for embbeding ejabberd in another app, for example for Elixir:
|
|
%% config :ejabberd,
|
|
%% file: "config/ejabberd.yml"
|
|
application:get_env(ejabberd, file)
|
|
end.
|
|
|
|
%% @doc Read the ejabberd configuration file.
|
|
%% It also includes additional configuration files and replaces macros.
|
|
%% This function will crash if finds some error in the configuration file.
|
|
%% @spec (File::string()) -> #state{}.
|
|
read_file(File) ->
|
|
read_file(File, [{replace_macros, true},
|
|
{include_files, true}]).
|
|
|
|
read_file(File, Opts) ->
|
|
Terms1 = get_plain_terms_file(File, Opts),
|
|
Terms_macros = case proplists:get_bool(replace_macros, Opts) of
|
|
true -> replace_macros(Terms1);
|
|
false -> Terms1
|
|
end,
|
|
Terms = transform_terms(Terms_macros),
|
|
State = lists:foldl(fun search_hosts/2, #state{}, Terms),
|
|
{Head, Tail} = lists:partition(
|
|
fun({host_config, _}) -> false;
|
|
({append_host_config, _}) -> false;
|
|
(_) -> true
|
|
end, Terms),
|
|
State1 = lists:foldl(fun process_term/2, State, Head ++ Tail),
|
|
State1#state{opts = compact(State1#state.opts)}.
|
|
|
|
-spec load_file(string()) -> ok.
|
|
|
|
load_file(File) ->
|
|
State = read_file(File),
|
|
set_opts(State).
|
|
|
|
-spec reload_file() -> ok.
|
|
|
|
reload_file() ->
|
|
Config = get_ejabberd_config_path(),
|
|
load_file(Config).
|
|
|
|
-spec convert_to_yaml(file:filename()) -> ok | {error, any()}.
|
|
|
|
convert_to_yaml(File) ->
|
|
convert_to_yaml(File, stdout).
|
|
|
|
-spec convert_to_yaml(file:filename(),
|
|
stdout | file:filename()) -> ok | {error, any()}.
|
|
|
|
convert_to_yaml(File, Output) ->
|
|
State = read_file(File, [{include_files, false}]),
|
|
Opts = [{K, V} || #local_config{key = K, value = V} <- State#state.opts],
|
|
{GOpts, HOpts} = split_by_hosts(Opts),
|
|
NewOpts = GOpts ++ lists:map(
|
|
fun({Host, Opts1}) ->
|
|
{host_config, [{Host, Opts1}]}
|
|
end, HOpts),
|
|
Data = p1_yaml:encode(lists:reverse(NewOpts)),
|
|
case Output of
|
|
stdout ->
|
|
io:format("~s~n", [Data]);
|
|
FileName ->
|
|
file:write_file(FileName, Data)
|
|
end.
|
|
|
|
%% Some Erlang apps expects env parameters to be list and not binary.
|
|
%% For example, Mnesia is not able to start if mnesia dir is passed as a binary.
|
|
%% However, binary is most common on Elixir, so it is easy to make a setup mistake.
|
|
-spec env_binary_to_list(atom(), atom()) -> {ok, any()}|undefined.
|
|
env_binary_to_list(Application, Parameter) ->
|
|
%% Application need to be loaded to allow setting parameters
|
|
application:load(Application),
|
|
case application:get_env(Application, Parameter) of
|
|
{ok, Val} when is_binary(Val) ->
|
|
BVal = binary_to_list(Val),
|
|
application:set_env(Application, Parameter, BVal),
|
|
{ok, BVal};
|
|
Other ->
|
|
Other
|
|
end.
|
|
|
|
%% @doc Read an ejabberd configuration file and return the terms.
|
|
%% Input is an absolute or relative path to an ejabberd config file.
|
|
%% Returns a list of plain terms,
|
|
%% in which the options 'include_config_file' were parsed
|
|
%% and the terms in those files were included.
|
|
%% @spec(string()) -> [term()]
|
|
%% @spec(iolist()) -> [term()]
|
|
get_plain_terms_file(File) ->
|
|
get_plain_terms_file(File, [{include_files, true}]).
|
|
|
|
get_plain_terms_file(File, Opts) when is_binary(File) ->
|
|
get_plain_terms_file(binary_to_list(File), Opts);
|
|
get_plain_terms_file(File1, Opts) ->
|
|
File = get_absolute_path(File1),
|
|
case consult(File) of
|
|
{ok, Terms} ->
|
|
BinTerms = strings_to_binary(Terms),
|
|
case proplists:get_bool(include_files, Opts) of
|
|
true ->
|
|
include_config_files(BinTerms);
|
|
false ->
|
|
BinTerms
|
|
end;
|
|
{error, Reason} ->
|
|
?ERROR_MSG(Reason, []),
|
|
exit_or_halt(Reason)
|
|
end.
|
|
|
|
consult(File) ->
|
|
case filename:extension(File) of
|
|
Ex when (Ex == ".yml") or (Ex == ".yaml") ->
|
|
case p1_yaml:decode_from_file(File, [plain_as_atom]) of
|
|
{ok, []} ->
|
|
{ok, []};
|
|
{ok, [Document|_]} ->
|
|
{ok, parserl(Document)};
|
|
{error, Err} ->
|
|
Msg1 = "Cannot load " ++ File ++ ": ",
|
|
Msg2 = p1_yaml:format_error(Err),
|
|
{error, Msg1 ++ Msg2}
|
|
end;
|
|
_ ->
|
|
case file:consult(File) of
|
|
{ok, Terms} ->
|
|
{ok, Terms};
|
|
{error, {LineNumber, erl_parse, _ParseMessage} = Reason} ->
|
|
{error, describe_config_problem(File, Reason, LineNumber)};
|
|
{error, Reason} ->
|
|
{error, describe_config_problem(File, Reason)}
|
|
end
|
|
end.
|
|
|
|
parserl(<<"> ", Term/binary>>) ->
|
|
{ok, A2, _} = erl_scan:string(binary_to_list(Term)),
|
|
{ok, A3} = erl_parse:parse_term(A2),
|
|
A3;
|
|
parserl({A, B}) ->
|
|
{parserl(A), parserl(B)};
|
|
parserl([El|Tail]) ->
|
|
[parserl(El) | parserl(Tail)];
|
|
parserl(Other) ->
|
|
Other.
|
|
|
|
%% @doc Convert configuration filename to absolute path.
|
|
%% Input is an absolute or relative path to an ejabberd configuration file.
|
|
%% And returns an absolute path to the configuration file.
|
|
%% @spec (string()) -> string()
|
|
get_absolute_path(File) ->
|
|
case filename:pathtype(File) of
|
|
absolute ->
|
|
File;
|
|
relative ->
|
|
{ok, Dir} = file:get_cwd(),
|
|
filename:absname_join(Dir, File)
|
|
end.
|
|
|
|
|
|
search_hosts(Term, State) ->
|
|
case Term of
|
|
{host, Host} ->
|
|
if
|
|
State#state.hosts == [] ->
|
|
add_hosts_to_option([Host], State);
|
|
true ->
|
|
?ERROR_MSG("Can't load config file: "
|
|
"too many hosts definitions", []),
|
|
exit("too many hosts definitions")
|
|
end;
|
|
{hosts, Hosts} ->
|
|
if
|
|
State#state.hosts == [] ->
|
|
add_hosts_to_option(Hosts, State);
|
|
true ->
|
|
?ERROR_MSG("Can't load config file: "
|
|
"too many hosts definitions", []),
|
|
exit("too many hosts definitions")
|
|
end;
|
|
_ ->
|
|
State
|
|
end.
|
|
|
|
add_hosts_to_option(Hosts, State) ->
|
|
PrepHosts = normalize_hosts(Hosts),
|
|
set_option({hosts, global}, PrepHosts, State#state{hosts = PrepHosts}).
|
|
|
|
normalize_hosts(Hosts) ->
|
|
normalize_hosts(Hosts,[]).
|
|
normalize_hosts([], PrepHosts) ->
|
|
lists:reverse(PrepHosts);
|
|
normalize_hosts([Host|Hosts], PrepHosts) ->
|
|
case jlib:nodeprep(iolist_to_binary(Host)) of
|
|
error ->
|
|
?ERROR_MSG("Can't load config file: "
|
|
"invalid host name [~p]", [Host]),
|
|
exit("invalid hostname");
|
|
PrepHost ->
|
|
normalize_hosts(Hosts, [PrepHost|PrepHosts])
|
|
end.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% Errors reading the config file
|
|
|
|
describe_config_problem(Filename, Reason) ->
|
|
Text1 = lists:flatten("Problem loading ejabberd config file " ++ Filename),
|
|
Text2 = lists:flatten(" : " ++ file:format_error(Reason)),
|
|
ExitText = Text1 ++ Text2,
|
|
ExitText.
|
|
|
|
describe_config_problem(Filename, Reason, LineNumber) ->
|
|
Text1 = lists:flatten("Problem loading ejabberd config file " ++ Filename),
|
|
Text2 = lists:flatten(" approximately in the line "
|
|
++ file:format_error(Reason)),
|
|
ExitText = Text1 ++ Text2,
|
|
Lines = get_config_lines(Filename, LineNumber, 10, 3),
|
|
?ERROR_MSG("The following lines from your configuration file might be"
|
|
" relevant to the error: ~n~s", [Lines]),
|
|
ExitText.
|
|
|
|
get_config_lines(Filename, TargetNumber, PreContext, PostContext) ->
|
|
{ok, Fd} = file:open(Filename, [read]),
|
|
LNumbers = lists:seq(TargetNumber-PreContext, TargetNumber+PostContext),
|
|
NextL = io:get_line(Fd, no_prompt),
|
|
R = get_config_lines2(Fd, NextL, 1, LNumbers, []),
|
|
file:close(Fd),
|
|
R.
|
|
|
|
get_config_lines2(_Fd, eof, _CurrLine, _LNumbers, R) ->
|
|
lists:reverse(R);
|
|
get_config_lines2(_Fd, _NewLine, _CurrLine, [], R) ->
|
|
lists:reverse(R);
|
|
get_config_lines2(Fd, Data, CurrLine, [NextWanted | LNumbers], R) when is_list(Data) ->
|
|
NextL = io:get_line(Fd, no_prompt),
|
|
if
|
|
CurrLine >= NextWanted ->
|
|
Line2 = [integer_to_list(CurrLine), ": " | Data],
|
|
get_config_lines2(Fd, NextL, CurrLine+1, LNumbers, [Line2 | R]);
|
|
true ->
|
|
get_config_lines2(Fd, NextL, CurrLine+1, [NextWanted | LNumbers], R)
|
|
end.
|
|
|
|
%% If ejabberd isn't yet running in this node, then halt the node
|
|
exit_or_halt(ExitText) ->
|
|
case [Vsn || {ejabberd, _Desc, Vsn} <- application:which_applications()] of
|
|
[] ->
|
|
timer:sleep(1000),
|
|
halt(string:substr(ExitText, 1, 199));
|
|
[_] ->
|
|
exit(ExitText)
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% Support for 'include_config_file'
|
|
|
|
%% @doc Include additional configuration files in the list of terms.
|
|
%% @spec ([term()]) -> [term()]
|
|
include_config_files(Terms) ->
|
|
{FileOpts, Terms1} =
|
|
lists:mapfoldl(
|
|
fun({include_config_file, _} = T, Ts) ->
|
|
{[transform_include_option(T)], Ts};
|
|
({include_config_file, _, _} = T, Ts) ->
|
|
{[transform_include_option(T)], Ts};
|
|
(T, Ts) ->
|
|
{[], [T|Ts]}
|
|
end, [], Terms),
|
|
Terms2 = lists:flatmap(
|
|
fun({File, Opts}) ->
|
|
include_config_file(File, Opts)
|
|
end, lists:flatten(FileOpts)),
|
|
Terms1 ++ Terms2.
|
|
|
|
transform_include_option({include_config_file, File}) when is_list(File) ->
|
|
case is_string(File) of
|
|
true -> {File, []};
|
|
false -> File
|
|
end;
|
|
transform_include_option({include_config_file, Filename}) ->
|
|
{Filename, []};
|
|
transform_include_option({include_config_file, Filename, Options}) ->
|
|
{Filename, Options}.
|
|
|
|
include_config_file(Filename, Options) ->
|
|
Included_terms = get_plain_terms_file(Filename),
|
|
Disallow = proplists:get_value(disallow, Options, []),
|
|
Included_terms2 = delete_disallowed(Disallow, Included_terms),
|
|
Allow_only = proplists:get_value(allow_only, Options, all),
|
|
keep_only_allowed(Allow_only, Included_terms2).
|
|
|
|
%% @doc Filter from the list of terms the disallowed.
|
|
%% Returns a sublist of Terms without the ones which first element is
|
|
%% included in Disallowed.
|
|
%% @spec (Disallowed::[atom()], Terms::[term()]) -> [term()]
|
|
delete_disallowed(Disallowed, Terms) ->
|
|
lists:foldl(
|
|
fun(Dis, Ldis) ->
|
|
delete_disallowed2(Dis, Ldis)
|
|
end,
|
|
Terms,
|
|
Disallowed).
|
|
|
|
delete_disallowed2(Disallowed, [H|T]) ->
|
|
case element(1, H) of
|
|
Disallowed ->
|
|
?WARNING_MSG("The option '~p' is disallowed, "
|
|
"and will not be accepted", [Disallowed]),
|
|
delete_disallowed2(Disallowed, T);
|
|
_ ->
|
|
[H|delete_disallowed2(Disallowed, T)]
|
|
end;
|
|
delete_disallowed2(_, []) ->
|
|
[].
|
|
|
|
%% @doc Keep from the list only the allowed terms.
|
|
%% Returns a sublist of Terms with only the ones which first element is
|
|
%% included in Allowed.
|
|
%% @spec (Allowed::[atom()], Terms::[term()]) -> [term()]
|
|
keep_only_allowed(all, Terms) ->
|
|
Terms;
|
|
keep_only_allowed(Allowed, Terms) ->
|
|
{As, NAs} = lists:partition(
|
|
fun(Term) ->
|
|
lists:member(element(1, Term), Allowed)
|
|
end,
|
|
Terms),
|
|
[?WARNING_MSG("This option is not allowed, "
|
|
"and will not be accepted:~n~p", [NA])
|
|
|| NA <- NAs],
|
|
As.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% Support for Macro
|
|
|
|
%% @doc Replace the macros with their defined values.
|
|
%% @spec (Terms::[term()]) -> [term()]
|
|
replace_macros(Terms) ->
|
|
{TermsOthers, Macros} = split_terms_macros(Terms),
|
|
replace(TermsOthers, Macros).
|
|
|
|
%% @doc Split Terms into normal terms and macro definitions.
|
|
%% @spec (Terms) -> {Terms, Macros}
|
|
%% Terms = [term()]
|
|
%% Macros = [macro()]
|
|
split_terms_macros(Terms) ->
|
|
lists:foldl(
|
|
fun(Term, {TOs, Ms}) ->
|
|
case Term of
|
|
{define_macro, Key, Value} ->
|
|
case is_correct_macro({Key, Value}) of
|
|
true ->
|
|
{TOs, Ms++[{Key, Value}]};
|
|
false ->
|
|
exit({macro_not_properly_defined, Term})
|
|
end;
|
|
{define_macro, KeyVals} ->
|
|
case lists:all(fun is_correct_macro/1, KeyVals) of
|
|
true ->
|
|
{TOs, Ms ++ KeyVals};
|
|
false ->
|
|
exit({macros_not_properly_defined, Term})
|
|
end;
|
|
Term ->
|
|
{TOs ++ [Term], Ms}
|
|
end
|
|
end,
|
|
{[], []},
|
|
Terms).
|
|
|
|
is_correct_macro({Key, _Val}) ->
|
|
is_atom(Key) and is_all_uppercase(Key);
|
|
is_correct_macro(_) ->
|
|
false.
|
|
|
|
%% @doc Recursively replace in Terms macro usages with the defined value.
|
|
%% @spec (Terms, Macros) -> Terms
|
|
%% Terms = [term()]
|
|
%% Macros = [macro()]
|
|
replace([], _) ->
|
|
[];
|
|
replace([Term|Terms], Macros) ->
|
|
[replace_term(Term, Macros) | replace(Terms, Macros)];
|
|
replace(Term, Macros) ->
|
|
replace_term(Term, Macros).
|
|
|
|
replace_term(Key, Macros) when is_atom(Key) ->
|
|
case is_all_uppercase(Key) of
|
|
true ->
|
|
case proplists:get_value(Key, Macros) of
|
|
undefined -> exit({undefined_macro, Key});
|
|
Value -> Value
|
|
end;
|
|
false ->
|
|
Key
|
|
end;
|
|
replace_term({use_macro, Key, Value}, Macros) ->
|
|
proplists:get_value(Key, Macros, Value);
|
|
replace_term(Term, Macros) when is_list(Term) ->
|
|
replace(Term, Macros);
|
|
replace_term(Term, Macros) when is_tuple(Term) ->
|
|
List = tuple_to_list(Term),
|
|
List2 = replace(List, Macros),
|
|
list_to_tuple(List2);
|
|
replace_term(Term, _) ->
|
|
Term.
|
|
|
|
is_all_uppercase(Atom) ->
|
|
String = erlang:atom_to_list(Atom),
|
|
lists:all(fun(C) when C >= $a, C =< $z -> false;
|
|
(_) -> true
|
|
end, String).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% Process terms
|
|
|
|
process_term(Term, State) ->
|
|
case Term of
|
|
{host_config, HostTerms} ->
|
|
lists:foldl(
|
|
fun({Host, Terms}, AccState) ->
|
|
lists:foldl(fun(T, S) ->
|
|
process_host_term(T, Host, S, set)
|
|
end, AccState, Terms)
|
|
end, State, HostTerms);
|
|
{append_host_config, HostTerms} ->
|
|
lists:foldl(
|
|
fun({Host, Terms}, AccState) ->
|
|
lists:foldl(fun(T, S) ->
|
|
process_host_term(T, Host, S, append)
|
|
end, AccState, Terms)
|
|
end, State, HostTerms);
|
|
_ ->
|
|
process_host_term(Term, global, State, set)
|
|
end.
|
|
|
|
process_host_term(Term, Host, State, Action) ->
|
|
case Term of
|
|
{modules, Modules} when Action == set ->
|
|
set_option({modules, Host}, replace_modules(Modules), State);
|
|
{modules, Modules} when Action == append ->
|
|
append_option({modules, Host}, replace_modules(Modules), State);
|
|
{host, _} ->
|
|
State;
|
|
{hosts, _} ->
|
|
State;
|
|
{Opt, Val} when Action == set ->
|
|
set_option({Opt, Host}, Val, State);
|
|
{Opt, Val} when Action == append ->
|
|
append_option({Opt, Host}, Val, State);
|
|
Opt ->
|
|
?WARNING_MSG("Ignore invalid (outdated?) option ~p", [Opt]),
|
|
State
|
|
end.
|
|
|
|
set_option(Opt, Val, State) ->
|
|
State#state{opts = [#local_config{key = Opt, value = Val} |
|
|
State#state.opts]}.
|
|
|
|
append_option({Opt, Host}, Val, State) ->
|
|
GlobalVals = lists:flatmap(
|
|
fun(#local_config{key = {O, global}, value = V})
|
|
when O == Opt ->
|
|
if is_list(V) -> V;
|
|
true -> [V]
|
|
end;
|
|
(_) ->
|
|
[]
|
|
end, State#state.opts),
|
|
NewVal = if is_list(Val) -> Val ++ GlobalVals;
|
|
true -> [Val|GlobalVals]
|
|
end,
|
|
set_option({Opt, Host}, NewVal, State).
|
|
|
|
set_opts(State) ->
|
|
Opts = State#state.opts,
|
|
F = fun() ->
|
|
lists:foreach(fun(R) ->
|
|
mnesia:write(R)
|
|
end, Opts)
|
|
end,
|
|
case mnesia:transaction(F) of
|
|
{atomic, _} -> ok;
|
|
{aborted,{no_exists,Table}} ->
|
|
MnesiaDirectory = mnesia:system_info(directory),
|
|
?ERROR_MSG("Error reading Mnesia database spool files:~n"
|
|
"The Mnesia database couldn't read the spool file for the table '~p'.~n"
|
|
"ejabberd needs read and write access in the directory:~n ~s~n"
|
|
"Maybe the problem is a change in the computer hostname,~n"
|
|
"or a change in the Erlang node name, which is currently:~n ~p~n"
|
|
"Check the ejabberd guide for details about changing the~n"
|
|
"computer hostname or Erlang node name.~n",
|
|
[Table, MnesiaDirectory, node()]),
|
|
exit("Error reading Mnesia database")
|
|
end.
|
|
|
|
add_global_option(Opt, Val) ->
|
|
add_option(Opt, Val).
|
|
|
|
add_local_option(Opt, Val) ->
|
|
add_option(Opt, Val).
|
|
|
|
add_option(Opt, Val) when is_atom(Opt) ->
|
|
add_option({Opt, global}, Val);
|
|
add_option(Opt, Val) ->
|
|
mnesia:transaction(fun() ->
|
|
mnesia:write(#local_config{key = Opt,
|
|
value = Val})
|
|
end).
|
|
|
|
-spec prepare_opt_val(any(), any(), check_fun(), any()) -> any().
|
|
|
|
prepare_opt_val(Opt, Val, F, Default) ->
|
|
Res = case F of
|
|
{Mod, Fun} ->
|
|
catch Mod:Fun(Val);
|
|
_ ->
|
|
catch F(Val)
|
|
end,
|
|
case Res of
|
|
{'EXIT', _} ->
|
|
?INFO_MSG("Configuration problem:~n"
|
|
"** Option: ~s~n"
|
|
"** Invalid value: ~s~n"
|
|
"** Using as fallback: ~s",
|
|
[format_term(Opt),
|
|
format_term(Val),
|
|
format_term(Default)]),
|
|
Default;
|
|
_ ->
|
|
Res
|
|
end.
|
|
|
|
-type check_fun() :: fun((any()) -> any()) | {module(), atom()}.
|
|
|
|
-spec get_global_option(any(), check_fun()) -> any().
|
|
|
|
get_global_option(Opt, F) ->
|
|
get_option(Opt, F, undefined).
|
|
|
|
-spec get_global_option(any(), check_fun(), any()) -> any().
|
|
|
|
get_global_option(Opt, F, Default) ->
|
|
get_option(Opt, F, Default).
|
|
|
|
-spec get_local_option(any(), check_fun()) -> any().
|
|
|
|
get_local_option(Opt, F) ->
|
|
get_option(Opt, F, undefined).
|
|
|
|
-spec get_local_option(any(), check_fun(), any()) -> any().
|
|
|
|
get_local_option(Opt, F, Default) ->
|
|
get_option(Opt, F, Default).
|
|
|
|
-spec get_option(any(), check_fun()) -> any().
|
|
|
|
get_option(Opt, F) ->
|
|
get_option(Opt, F, undefined).
|
|
|
|
-spec get_option(any(), check_fun(), any()) -> any().
|
|
|
|
get_option(Opt, F, Default) when is_atom(Opt) ->
|
|
get_option({Opt, global}, F, Default);
|
|
get_option(Opt, F, Default) ->
|
|
case Opt of
|
|
{O, global} when is_atom(O) -> ok;
|
|
{O, H} when is_atom(O), is_binary(H) -> ok;
|
|
_ -> ?WARNING_MSG("Option ~p has invalid (outdated?) format. "
|
|
"This is likely a bug", [Opt])
|
|
end,
|
|
case ets:lookup(local_config, Opt) of
|
|
[#local_config{value = Val}] ->
|
|
prepare_opt_val(Opt, Val, F, Default);
|
|
_ ->
|
|
case Opt of
|
|
{Key, Host} when Host /= global ->
|
|
get_option({Key, global}, F, Default);
|
|
_ ->
|
|
Default
|
|
end
|
|
end.
|
|
|
|
-spec get_vh_by_auth_method(atom()) -> [binary()].
|
|
|
|
%% Return the list of hosts handled by a given module
|
|
get_vh_by_auth_method(AuthMethod) ->
|
|
mnesia:dirty_select(local_config,
|
|
[{#local_config{key = {auth_method, '$1'},
|
|
value=AuthMethod},[],['$1']}]).
|
|
|
|
%% @spec (Path::string()) -> true | false
|
|
is_file_readable(Path) ->
|
|
case file:read_file_info(Path) of
|
|
{ok, FileInfo} ->
|
|
case {FileInfo#file_info.type, FileInfo#file_info.access} of
|
|
{regular, read} -> true;
|
|
{regular, read_write} -> true;
|
|
_ -> false
|
|
end;
|
|
{error, _Reason} ->
|
|
false
|
|
end.
|
|
|
|
get_version() ->
|
|
case application:get_key(ejabberd, vsn) of
|
|
undefined -> "";
|
|
{ok, Vsn} -> list_to_binary(Vsn)
|
|
end.
|
|
|
|
-spec get_myhosts() -> [binary()].
|
|
|
|
get_myhosts() ->
|
|
get_option(hosts, fun(V) -> V end).
|
|
|
|
-spec get_mylang() -> binary().
|
|
|
|
get_mylang() ->
|
|
get_option(
|
|
language,
|
|
fun iolist_to_binary/1,
|
|
<<"en">>).
|
|
|
|
replace_module(mod_announce_odbc) -> {mod_announce, odbc};
|
|
replace_module(mod_blocking_odbc) -> {mod_blocking, odbc};
|
|
replace_module(mod_caps_odbc) -> {mod_caps, odbc};
|
|
replace_module(mod_irc_odbc) -> {mod_irc, odbc};
|
|
replace_module(mod_last_odbc) -> {mod_last, odbc};
|
|
replace_module(mod_muc_odbc) -> {mod_muc, odbc};
|
|
replace_module(mod_offline_odbc) -> {mod_offline, odbc};
|
|
replace_module(mod_privacy_odbc) -> {mod_privacy, odbc};
|
|
replace_module(mod_private_odbc) -> {mod_private, odbc};
|
|
replace_module(mod_roster_odbc) -> {mod_roster, odbc};
|
|
replace_module(mod_shared_roster_odbc) -> {mod_shared_roster, odbc};
|
|
replace_module(mod_vcard_odbc) -> {mod_vcard, odbc};
|
|
replace_module(mod_vcard_xupdate_odbc) -> {mod_vcard_xupdate, odbc};
|
|
replace_module(Module) ->
|
|
case is_elixir_module(Module) of
|
|
true -> expand_elixir_module(Module);
|
|
false -> Module
|
|
end.
|
|
|
|
replace_modules(Modules) -> lists:map( fun({Module, Opts}) -> case
|
|
replace_module(Module) of {NewModule, DBType} ->
|
|
emit_deprecation_warning(Module, NewModule, DBType), NewOpts =
|
|
[{db_type, DBType} | lists:keydelete(db_type, 1, Opts)],
|
|
{NewModule, transform_module_options(Module, NewOpts)}; NewModule
|
|
-> if Module /= NewModule -> emit_deprecation_warning(Module,
|
|
NewModule); true -> ok end, {NewModule,
|
|
transform_module_options(Module, Opts)} end end, Modules).
|
|
|
|
%% Elixir module naming
|
|
%% ====================
|
|
|
|
%% If module name start with uppercase letter, this is an Elixir module:
|
|
is_elixir_module(Module) ->
|
|
case atom_to_list(Module) of
|
|
[H|_] when H >= 65, H =< 90 -> true;
|
|
_ ->false
|
|
end.
|
|
|
|
%% We assume we know this is an elixir module
|
|
expand_elixir_module(Module) ->
|
|
case atom_to_list(Module) of
|
|
%% Module name already specified as an Elixir from Erlang module name
|
|
"Elixir." ++ _ -> Module;
|
|
%% if start with uppercase letter, this is an Elixir module: Append 'Elixir.' to module name.
|
|
ModuleString ->
|
|
list_to_atom("Elixir." ++ ModuleString)
|
|
end.
|
|
|
|
strings_to_binary([]) ->
|
|
[];
|
|
strings_to_binary(L) when is_list(L) ->
|
|
case is_string(L) of
|
|
true ->
|
|
list_to_binary(L);
|
|
false ->
|
|
strings_to_binary1(L)
|
|
end;
|
|
strings_to_binary({A, B, C, D}) when
|
|
is_integer(A), is_integer(B), is_integer(C), is_integer(D) ->
|
|
{A, B, C ,D};
|
|
strings_to_binary(T) when is_tuple(T) ->
|
|
list_to_tuple(strings_to_binary1(tuple_to_list(T)));
|
|
strings_to_binary(X) ->
|
|
X.
|
|
|
|
strings_to_binary1([El|L]) ->
|
|
[strings_to_binary(El)|strings_to_binary1(L)];
|
|
strings_to_binary1([]) ->
|
|
[];
|
|
strings_to_binary1(T) ->
|
|
T.
|
|
|
|
is_string([C|T]) when (C >= 0) and (C =< 255) ->
|
|
is_string(T);
|
|
is_string([]) ->
|
|
true;
|
|
is_string(_) ->
|
|
false.
|
|
|
|
binary_to_strings(B) when is_binary(B) ->
|
|
binary_to_list(B);
|
|
binary_to_strings([H|T]) ->
|
|
[binary_to_strings(H)|binary_to_strings(T)];
|
|
binary_to_strings(T) when is_tuple(T) ->
|
|
list_to_tuple(binary_to_strings(tuple_to_list(T)));
|
|
binary_to_strings(T) ->
|
|
T.
|
|
|
|
format_term(Bin) when is_binary(Bin) ->
|
|
io_lib:format("\"~s\"", [Bin]);
|
|
format_term(S) when is_list(S), S /= [] ->
|
|
case lists:all(fun(C) -> (C>=0) and (C=<255) end, S) of
|
|
true ->
|
|
io_lib:format("\"~s\"", [S]);
|
|
false ->
|
|
io_lib:format("~p", [binary_to_strings(S)])
|
|
end;
|
|
format_term(T) ->
|
|
io_lib:format("~p", [binary_to_strings(T)]).
|
|
|
|
transform_terms(Terms) ->
|
|
%% We could check all ejabberd beams, but this
|
|
%% slows down start-up procedure :(
|
|
Mods = [mod_register,
|
|
mod_last,
|
|
ejabberd_s2s,
|
|
ejabberd_listener,
|
|
ejabberd_odbc_sup,
|
|
shaper,
|
|
ejabberd_s2s_out,
|
|
acl,
|
|
ejabberd_config],
|
|
collect_options(transform_terms(Mods, Terms)).
|
|
|
|
transform_terms([Mod|Mods], Terms) ->
|
|
case catch Mod:transform_options(Terms) of
|
|
{'EXIT', _} = Err ->
|
|
?ERROR_MSG("Failed to transform terms by ~p: ~p", [Mod, Err]),
|
|
transform_terms(Mods, Terms);
|
|
NewTerms ->
|
|
transform_terms(Mods, NewTerms)
|
|
end;
|
|
transform_terms([], NewTerms) ->
|
|
NewTerms.
|
|
|
|
transform_module_options(Module, Opts) ->
|
|
Opts1 = gen_iq_handler:transform_module_options(Opts),
|
|
try
|
|
Module:transform_module_options(Opts1)
|
|
catch error:undef ->
|
|
Opts1
|
|
end.
|
|
|
|
compact(Cfg) ->
|
|
Opts = [{K, V} || #local_config{key = K, value = V} <- Cfg],
|
|
{GOpts, HOpts} = split_by_hosts(Opts),
|
|
[#local_config{key = {O, global}, value = V} || {O, V} <- GOpts] ++
|
|
lists:flatmap(
|
|
fun({Host, OptVal}) ->
|
|
case lists:member(OptVal, GOpts) of
|
|
true ->
|
|
[];
|
|
false ->
|
|
[#local_config{key = {Opt, Host}, value = Val}
|
|
|| {Opt, Val} <- OptVal]
|
|
end
|
|
end, lists:flatten(HOpts)).
|
|
|
|
split_by_hosts(Opts) ->
|
|
Opts1 = orddict:to_list(
|
|
lists:foldl(
|
|
fun({{Opt, Host}, Val}, D) ->
|
|
orddict:append(Host, {Opt, Val}, D)
|
|
end, orddict:new(), Opts)),
|
|
case lists:keytake(global, 1, Opts1) of
|
|
{value, {global, GlobalOpts}, HostOpts} ->
|
|
{GlobalOpts, HostOpts};
|
|
_ ->
|
|
{[], Opts1}
|
|
end.
|
|
|
|
collect_options(Opts) ->
|
|
{D, InvalidOpts} =
|
|
lists:foldl(
|
|
fun({K, V}, {D, Os}) when is_list(V) ->
|
|
{orddict:append_list(K, V, D), Os};
|
|
({K, V}, {D, Os}) ->
|
|
{orddict:store(K, V, D), Os};
|
|
(Opt, {D, Os}) ->
|
|
{D, [Opt|Os]}
|
|
end, {orddict:new(), []}, Opts),
|
|
InvalidOpts ++ orddict:to_list(D).
|
|
|
|
transform_options(Opts) ->
|
|
Opts1 = lists:foldl(fun transform_options/2, [], Opts),
|
|
{HOpts, Opts2} = lists:mapfoldl(
|
|
fun({host_config, O}, Os) ->
|
|
{[O], Os};
|
|
(O, Os) ->
|
|
{[], [O|Os]}
|
|
end, [], Opts1),
|
|
{AHOpts, Opts3} = lists:mapfoldl(
|
|
fun({append_host_config, O}, Os) ->
|
|
{[O], Os};
|
|
(O, Os) ->
|
|
{[], [O|Os]}
|
|
end, [], Opts2),
|
|
HOpts1 = case collect_options(lists:flatten(HOpts)) of
|
|
[] ->
|
|
[];
|
|
HOs ->
|
|
[{host_config,
|
|
[{H, transform_terms(O)} || {H, O} <- HOs]}]
|
|
end,
|
|
AHOpts1 = case collect_options(lists:flatten(AHOpts)) of
|
|
[] ->
|
|
[];
|
|
AHOs ->
|
|
[{append_host_config,
|
|
[{H, transform_terms(O)} || {H, O} <- AHOs]}]
|
|
end,
|
|
HOpts1 ++ AHOpts1 ++ Opts3.
|
|
|
|
transform_options({domain_certfile, Domain, CertFile}, Opts) ->
|
|
?WARNING_MSG("Option 'domain_certfile' now should be defined "
|
|
"per virtual host or globally. The old format is "
|
|
"still supported but it is better to fix your config", []),
|
|
[{host_config, [{Domain, [{domain_certfile, CertFile}]}]}|Opts];
|
|
transform_options(Opt, Opts) when Opt == override_global;
|
|
Opt == override_local;
|
|
Opt == override_acls ->
|
|
?WARNING_MSG("Ignoring '~s' option which has no effect anymore", [Opt]),
|
|
Opts;
|
|
transform_options({host_config, Host, HOpts}, Opts) ->
|
|
{AddOpts, HOpts1} =
|
|
lists:mapfoldl(
|
|
fun({{add, Opt}, Val}, Os) ->
|
|
?WARNING_MSG("Option 'add' is deprecated. "
|
|
"The option is still supported "
|
|
"but it is better to fix your config: "
|
|
"use 'append_host_config' instead.", []),
|
|
{[{Opt, Val}], Os};
|
|
(O, Os) ->
|
|
{[], [O|Os]}
|
|
end, [], HOpts),
|
|
[{append_host_config, [{Host, lists:flatten(AddOpts)}]},
|
|
{host_config, [{Host, HOpts1}]}|Opts];
|
|
transform_options({define_macro, Macro, Val}, Opts) ->
|
|
[{define_macro, [{Macro, Val}]}|Opts];
|
|
transform_options({include_config_file, _} = Opt, Opts) ->
|
|
[{include_config_file, [transform_include_option(Opt)]} | Opts];
|
|
transform_options({include_config_file, _, _} = Opt, Opts) ->
|
|
[{include_config_file, [transform_include_option(Opt)]} | Opts];
|
|
transform_options(Opt, Opts) ->
|
|
[Opt|Opts].
|
|
|
|
-spec convert_table_to_binary(atom(), [atom()], atom(),
|
|
fun(), fun()) -> ok.
|
|
|
|
convert_table_to_binary(Tab, Fields, Type, DetectFun, ConvertFun) ->
|
|
case is_table_still_list(Tab, DetectFun) of
|
|
true ->
|
|
?INFO_MSG("Converting '~s' table from strings to binaries.", [Tab]),
|
|
TmpTab = list_to_atom(atom_to_list(Tab) ++ "_tmp_table"),
|
|
catch mnesia:delete_table(TmpTab),
|
|
case mnesia:create_table(TmpTab,
|
|
[{disc_only_copies, [node()]},
|
|
{type, Type},
|
|
{local_content, true},
|
|
{record_name, Tab},
|
|
{attributes, Fields}]) of
|
|
{atomic, ok} ->
|
|
mnesia:transform_table(Tab, ignore, Fields),
|
|
case mnesia:transaction(
|
|
fun() ->
|
|
mnesia:write_lock_table(TmpTab),
|
|
mnesia:foldl(
|
|
fun(R, _) ->
|
|
NewR = ConvertFun(R),
|
|
mnesia:dirty_write(TmpTab, NewR)
|
|
end, ok, Tab)
|
|
end) of
|
|
{atomic, ok} ->
|
|
mnesia:clear_table(Tab),
|
|
case mnesia:transaction(
|
|
fun() ->
|
|
mnesia:write_lock_table(Tab),
|
|
mnesia:foldl(
|
|
fun(R, _) ->
|
|
mnesia:dirty_write(R)
|
|
end, ok, TmpTab)
|
|
end) of
|
|
{atomic, ok} ->
|
|
mnesia:delete_table(TmpTab);
|
|
Err ->
|
|
report_and_stop(Tab, Err)
|
|
end;
|
|
Err ->
|
|
report_and_stop(Tab, Err)
|
|
end;
|
|
Err ->
|
|
report_and_stop(Tab, Err)
|
|
end;
|
|
false ->
|
|
ok
|
|
end.
|
|
|
|
is_table_still_list(Tab, DetectFun) ->
|
|
is_table_still_list(Tab, DetectFun, mnesia:dirty_first(Tab)).
|
|
|
|
is_table_still_list(_Tab, _DetectFun, '$end_of_table') ->
|
|
false;
|
|
is_table_still_list(Tab, DetectFun, Key) ->
|
|
Rs = mnesia:dirty_read(Tab, Key),
|
|
Res = lists:foldl(fun(_, true) ->
|
|
true;
|
|
(_, false) ->
|
|
false;
|
|
(R, _) ->
|
|
case DetectFun(R) of
|
|
'$next' ->
|
|
'$next';
|
|
El ->
|
|
is_list(El)
|
|
end
|
|
end, '$next', Rs),
|
|
case Res of
|
|
true ->
|
|
true;
|
|
false ->
|
|
false;
|
|
'$next' ->
|
|
is_table_still_list(Tab, DetectFun, mnesia:dirty_next(Tab, Key))
|
|
end.
|
|
|
|
report_and_stop(Tab, Err) ->
|
|
ErrTxt = lists:flatten(
|
|
io_lib:format(
|
|
"Failed to convert '~s' table to binary: ~p",
|
|
[Tab, Err])),
|
|
?CRITICAL_MSG(ErrTxt, []),
|
|
timer:sleep(1000),
|
|
halt(string:substr(ErrTxt, 1, 199)).
|
|
|
|
emit_deprecation_warning(Module, NewModule, DBType) ->
|
|
?WARNING_MSG("Module ~s is deprecated, use ~s with 'db_type: ~s'"
|
|
" instead", [Module, NewModule, DBType]).
|
|
|
|
emit_deprecation_warning(Module, NewModule) ->
|
|
case is_elixir_module(NewModule) of
|
|
%% Do not emit deprecation warning for Elixir
|
|
true -> ok;
|
|
false ->
|
|
?WARNING_MSG("Module ~s is deprecated, use ~s instead",
|
|
[Module, NewModule])
|
|
end.
|