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yaws_config.erl
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yaws_config.erl
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%%%----------------------------------------------------------------------
%%% File : yaws_config.erl
%%% Author : Claes Wikstrom <klacke@bluetail.com>
%%% Purpose :
%%% Created : 16 Jan 2002 by Claes Wikstrom <klacke@bluetail.com>
%%%----------------------------------------------------------------------
-module(yaws_config).
-author('klacke@bluetail.com').
-include("../include/yaws.hrl").
-include("../include/yaws_api.hrl").
-include("yaws_debug.hrl").
-include_lib("kernel/include/file.hrl").
-export([load/1,
toks/1,
make_default_gconf/2, make_default_sconf/0,
add_sconf/1,
add_yaws_auth/1,
add_yaws_soap_srv/1,
search_sconf/2, search_group/2,
update_sconf/2, delete_sconf/2,
eq_sconfs/2, soft_setconf/4, hard_setconf/2,
can_hard_gc/2, can_soft_setconf/4,
can_soft_gc/2, verify_upgrade_args/2]).
%% where to look for yaws.conf
paths() ->
case yaws:getuid() of
{ok, "0"} -> %% root
[yaws_generated:etcdir() ++ "/yaws/yaws.conf"];
_ -> %% developer
[filename:join([yaws:home(), "yaws.conf"]),
"./yaws.conf",
yaws_generated:etcdir() ++ "/yaws/yaws.conf"]
end.
%% load the config
load(E = #env{conf = false}) ->
case yaws:first(fun(F) -> yaws:exists(F) end, paths()) of
false ->
{error, "Can't find config file "};
{ok, _, File} ->
load(E#env{conf = {file, File}})
end;
load(E) ->
{file, File} = E#env.conf,
error_logger:info_msg("Yaws: Using config file ~s~n", [File]),
case file:open(File, [read]) of
{ok, FD} ->
GC = make_default_gconf(E#env.debug, E#env.id),
GC2 = if E#env.traceoutput == undefined ->
GC;
true ->
?gc_set_tty_trace(GC,true)
end,
GC3 = ?gc_set_debug(GC2, E#env.debug),
GC4 = GC3#gconf{trace = E#env.trace},
R = (catch fload(FD, globals, GC4, undefined,
[], 1, io:get_line(FD, ''))),
?Debug("FLOAD: ~p", [R]),
case R of
{ok, GC5, Cs} ->
yaws:mkdir(yaws:tmpdir()),
Cs2 = add_yaws_auth(Cs),
add_yaws_soap_srv(GC5),
validate_cs(GC5, Cs2);
Err ->
Err
end;
_ ->
{error, "Can't open config file " ++ File}
end.
add_yaws_soap_srv(GC) when GC#gconf.enable_soap == true ->
SoapStarted = (whereis(yaws_soap_srv) /= undefined),
if (SoapStarted == false) ->
Spec = {yaws_soap_srv, {yaws_soap_srv, start_link, [GC#gconf.soap_srv_mods] },
permanent, 5000, worker, [yaws_soap_srv]},
spawn(fun() -> supervisor:start_child(yaws_sup, Spec) end);
true ->
ok
end;
add_yaws_soap_srv(_GC) ->
ok.
add_yaws_auth(SCs) ->
[SC#sconf{authdirs = setup_auth(SC)} || SC <- SCs].
%% We search and setup www authenticate for each directory
%% specified as an auth directory or containing a .yaws_auth file.
%% These are merged with server conf.
setup_auth(#sconf{docroot = Docroot, authdirs = Authdirs}) ->
Authdirs1 = load_yaws_auth_from_docroot(Docroot),
Authdirs2 = load_yaws_auth_from_authdirs(Authdirs, Docroot, Authdirs1),
Authdirs3 = ensure_auth_headers(Authdirs2),
Authdirs4 = [{Dir, A} || A = #auth{dir = [Dir]} <- Authdirs3], % A->{Dir, A}
start_pam(Authdirs4),
Authdirs4.
load_yaws_auth_from_docroot(undefined) ->
[];
load_yaws_auth_from_docroot(Docroot) ->
Fun = fun (Path, Acc) ->
%% Strip Docroot and then filename
SP = string:sub_string(Path, length(Docroot)+1),
Dir = filename:dirname(SP),
case load_yaws_auth_file(Path, #auth{dir = [Dir]}) of
{ok, Auth} -> [Auth| Acc];
_ -> Acc
end
end,
filelib:fold_files(Docroot, "^.yaws_auth$", true, Fun, []).
load_yaws_auth_from_authdirs([], _, Acc) ->
lists:reverse(Acc);
load_yaws_auth_from_authdirs([Auth = #auth{dir = [D]}| Rest], Docroot, Acc) ->
Dir = case D of
"/" ++ Rest -> Rest; % strip leading slash
_ -> D
end,
Path = filename:join([Docroot, Dir, ".yaws_auth"]),
NewAuth = case catch load_yaws_auth_file(Path, Auth) of
{ok, A} -> A;
_ -> Auth
end,
load_yaws_auth_from_authdirs(Rest, Docroot, [NewAuth| Acc]);
load_yaws_auth_from_authdirs([{_Dir, Auth}| Rest], Docroot, Acc) ->
%% handle {Dir, A} by stripping it
load_yaws_auth_from_authdirs([Auth| Rest], Docroot, Acc);
load_yaws_auth_from_authdirs([_| Rest], Docroot, Acc) ->
load_yaws_auth_from_authdirs(Rest, Docroot, Acc).
load_yaws_auth_file(Path, Auth) ->
case file:consult(Path) of
{ok, TermList} ->
error_logger:info_msg("Reading .yaws_auth ~s~n", [Path]),
parse_yaws_auth_file(TermList, Auth);
{error, enoent} ->
{error, enoent};
Error ->
error_logger:format("Bad .yaws_auth file ~s ~p~n", [Path, Error]),
Error
end.
ensure_auth_headers(Authdirs) ->
[add_auth_headers(Auth) || Auth <- Authdirs].
add_auth_headers(Auth = #auth{headers = []}) ->
%% Headers needs to be set
Realm = Auth#auth.realm,
Headers = yaws:make_www_authenticate_header({realm, Realm}),
Auth#auth{headers = Headers};
add_auth_headers(Auth) ->
Auth.
start_pam([]) ->
ok;
start_pam([{_Dir, #auth{pam = false}}|T]) ->
start_pam(T);
start_pam([{_Dir, A}|T]) ->
case whereis(yaws_pam) of
undefined -> % pam not started
Spec = {yaws_pam, {yaws_pam, start_link,
[yaws:to_list(A#auth.pam),undefined,undefined]},
permanent, 5000, worker, [yaws_pam]},
spawn(fun() -> supervisor:start_child(yaws_sup, Spec) end);
_ ->
start_pam(T)
end.
parse_yaws_auth_file([], Auth) ->
Auth;
parse_yaws_auth_file([{realm, Realm}|T], Auth0) ->
parse_yaws_auth_file(T, Auth0#auth{realm = Realm});
parse_yaws_auth_file([{pam, Pam}|T], Auth0)
when is_atom(Pam) ->
parse_yaws_auth_file(T, Auth0#auth{pam = Pam});
parse_yaws_auth_file([{authmod, Authmod0}|T], Auth0)
when is_atom(Authmod0)->
Headers = try
Authmod0:get_header() ++ Auth0#auth.headers
catch
_:_ ->
error_logger:format("Failed to ~p:get_header() \n",
[Authmod0]),
Auth0#auth.headers
end,
parse_yaws_auth_file(T, Auth0#auth{mod = Authmod0, headers = Headers});
parse_yaws_auth_file([{file, File}|T], Auth0) ->
[Dir] = Auth0#auth.dir,
New_dir = [Dir ++ File],
parse_yaws_auth_file(T, Auth0#auth{dir = New_dir});
parse_yaws_auth_file([{User, Password}|T], Auth0)
when is_list(User), is_list(Password) ->
Users = [{User, Password}|Auth0#auth.users],
parse_yaws_auth_file(T, Auth0#auth{users = Users}).
%% Not used anymore
%% Replace all "//" and "///" with "/"
%% Might be a better way to do this
%% remove_multiple_slash(L) ->
%% remove_multiple_slash(L, []).
%% remove_multiple_slash([], Acc)->
%% lists:reverse(Acc);
%% remove_multiple_slash("//" ++ T, Acc) ->
%% remove_multiple_slash([$/|T], Acc);
%% remove_multiple_slash([H|T], Acc) ->
%% remove_multiple_slash(T, [H|Acc]).
%% This is the function that arranges sconfs into
%% different server groups
validate_cs(GC, Cs) ->
L = lists:map(fun(SC) -> {{SC#sconf.listen, SC#sconf.port}, SC} end, Cs),
L2 = lists:map(fun(X) -> element(2, X) end, lists:keysort(1,L)),
L3 = arrange(L2, start, [], []),
case validate_groups(L3) of
ok ->
{ok, GC, L3};
Err ->
Err
end.
validate_groups([]) ->
ok;
validate_groups([H|T]) ->
case (catch validate_group(H)) of
ok ->
validate_groups(T);
Err ->
Err
end.
validate_group(List) ->
%% all ssl servers with the same IP must share the same ssl configuration
%% check if one ssl server in the group
case lists:any(fun(SC) -> SC#sconf.ssl /= undefined end,List) of
true ->
[SC0|SCs] = List,
%% check if all servers in the group have the same ssl configuration
case lists:filter(
fun(SC) -> SC#sconf.ssl /= SC0#sconf.ssl end,SCs) of
L when length(L) > 1 ->
throw({error, ?F("SSL server per IP must share the "
"same certificate : ~p",
[(hd(L))#sconf.servername])});
_ ->
ok
end;
_ ->
ok
end,
%% second all servernames in a group must be unique
SN = lists:sort([yaws:to_lower(X#sconf.servername) || X <- List]),
no_two_same(SN).
no_two_same([H,H|_]) ->
throw({error,
?F("Two servers in the same group cannot have same name ~p",[H])});
no_two_same([_H|T]) ->
no_two_same(T);
no_two_same([]) ->
ok.
arrange([C|Tail], start, [], B) ->
arrange(Tail, {in, C}, [set_server(C)], B);
arrange([], _, [], B) ->
B;
arrange([], _, A, B) ->
[A | B];
arrange([C1|Tail], {in, C0}, A, B) ->
if
C1#sconf.listen == C0#sconf.listen,
C1#sconf.port == C0#sconf.port ->
arrange(Tail, {in, C0}, [set_server(C1)|A], B);
true ->
arrange(Tail, {in, C1}, [set_server(C1)], [A|B])
end.
set_server(SC) ->
case {SC#sconf.ssl, SC#sconf.port, ?sc_has_add_port(SC)} of
{undefined, 80, _} ->
SC;
{undefined, Port, true} ->
add_port(SC, Port);
{_SSL, 443, _} ->
SC;
{_SSL, Port, true} ->
add_port(SC, Port);
{_,_,_} ->
SC
end.
add_port(SC, Port) ->
case string:tokens(SC#sconf.servername, ":") of
[Srv, Prt] ->
case (catch list_to_integer(Prt)) of
{'EXIT', _} ->
SC#sconf{servername =
Srv ++ [$:|integer_to_list(Port)]};
_Int ->
SC
end;
[Srv] ->
SC#sconf{servername = Srv ++ [$:|integer_to_list(Port)]}
end.
make_default_gconf(Debug, Id) ->
Y = yaws_dir(),
#gconf{yaws_dir = Y,
ebin_dir = [filename:join([Y, "examples/ebin"])],
include_dir = [filename:join([Y, "examples/include"])],
trace = false,
logdir = ".",
cache_refresh_secs = if
Debug == true ->
0;
true ->
30
end,
flags = if Debug ->
?GC_DEBUG bor ?GC_AUTH_LOG bor
?GC_COPY_ERRLOG bor ?GC_FAIL_ON_BIND_ERR bor
?GC_PICK_FIRST_VIRTHOST_ON_NOMATCH;
true ->
?GC_AUTH_LOG bor ?GC_COPY_ERRLOG bor
?GC_FAIL_ON_BIND_ERR bor
?GC_PICK_FIRST_VIRTHOST_ON_NOMATCH
end,
yaws = "Yaws " ++ yaws_generated:version(),
id = Id
}.
make_default_sconf() ->
Y = yaws_dir(),
#sconf{docroot = filename:join([Y, "www"])}.
yaws_dir() ->
case yaws_generated:is_local_install() of
true ->
P = filename:split(code:which(?MODULE)),
P1 = del_tail(P),
filename:join(P1);
false ->
code:lib_dir(yaws)
end.
del_tail(Parts) ->
del_tail(Parts,[]).
%% Initial ".." should be preserved
del_tail([".." |Tail], Acc) ->
del_tail(Tail, [".."|Acc]);
del_tail(Parts, Acc) ->
del_tail2(Parts, Acc).
%% Embedded ".." should be removed together with preceding dir
del_tail2([_H, ".." |Tail], Acc) ->
del_tail2(Tail, Acc);
del_tail2([".." |Tail], [_P|Acc]) ->
del_tail2(Tail, Acc);
del_tail2([_X, _Y], Acc) ->
lists:reverse(Acc);
del_tail2([H|T], Acc) ->
del_tail2(T, [H|Acc]).
string_to_host_and_port(String) ->
case string:rchr(String, $:) of
0 ->
{error, "missing colon (:) character."};
ColonPos ->
Host = string:left(String, ColonPos - 1),
PortStr = string:sub_string(String, ColonPos + 1),
case (catch list_to_integer(PortStr)) of
Port when is_integer(Port) and (Port >= 0) and (Port =< 65535) ->
{ok, Host, Port};
_ ->
{error, ?F("~p is not a valid port number.", [PortStr])}
end
end.
%% two states, global, server
fload(FD, globals, GC, _C, Cs, _Lno, eof) ->
file:close(FD),
{ok, GC, Cs};
fload(FD, _, _GC, _C, _Cs, Lno, eof) ->
file:close(FD),
{error, ?F("Unexpected end-of-file at line ~w", [Lno])};
fload(FD, globals, GC, C, Cs, Lno, Chars) ->
Next = io:get_line(FD, ''),
case toks(Chars) of
[] ->
fload(FD, globals, GC, C, Cs, Lno+1, Next);
["subconfig", '=', Name] ->
File = filename:absname(Name),
case is_file(File) of
true ->
error_logger:info_msg(
"Yaws: Using subconfig file ~s~n", [File]),
case file:open(File, [read]) of
{ok, FD1} ->
R = (catch fload(FD1, globals, GC, undefined,
Cs, 1, io:get_line(FD1, ''))),
?Debug("FLOAD: ~p", [R]),
case R of
{ok, GC1, Cs1} ->
fload(FD, globals, GC1, C, Cs1, Lno+1,Next);
Err ->
Err
end;
_ ->
{error, "Can't open config file " ++ File}
end;
false ->
{error, ?F("Expect filename at line ~w", [Lno])}
end;
["subconfigdir", '=', Name] ->
Dir = filename:absname(Name),
case is_dir(Dir) of
true ->
case file:list_dir(Dir) of
{ok, Names} ->
Paths = lists:map(
fun(N) ->
filename:absname(N, Dir)
end, Names),
case lists:foldl(
fun(File, Acc) ->
case Acc of
{error, _Err} ->
Acc;
{ok, GCp, Csp} ->
case is_file(File) of
true ->
error_logger:info_msg(
"Yaws: Using subconfig file ~s~n",
[File]),
case file:open(File, [read]) of
{ok, FD1} ->
R = (catch fload(FD1,
globals,
GCp,
undefined,
Csp,
1,
io:get_line(FD1, ''))),
?Debug("FLOAD: ~p", [R]),
R;
_ ->
{error, "Can't open config file " ++
File}
end;
false ->
%% Ignore subdirectories
Acc
end
end
end, {ok, GC, Cs}, Paths) of
{ok, GC1, Cs1} ->
fload(FD, globals, GC1, C, Cs1, Lno+1, Next);
Err ->
Err
end;
{error, Error} ->
{error, ?F("Directory ~s is not readable: ~s", [Name, Error])}
end;
false ->
{error, ?F("Expect directory at line ~w (subconfdir: ~s)", [Lno, Dir])}
end;
["trace", '=', Bstr] when GC#gconf.trace == false ->
case Bstr of
"traffic" ->
fload(FD, globals, GC#gconf{trace = {true, traffic}},
C, Cs, Lno+1, Next);
"http" ->
fload(FD, globals, GC#gconf{trace = {true, http}},
C, Cs, Lno+1, Next);
"false" ->
fload(FD, globals, GC#gconf{trace = false},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect false|http|traffic at line ~w",[Lno])}
end;
["trace", '=', _Bstr] ->
%% don't overwrite setting from commandline
fload(FD, globals, GC, C, Cs, Lno+1, Next);
["logdir", '=', Logdir] ->
Dir = filename:absname(Logdir),
case is_dir(Dir) of
true ->
put(logdir, Dir),
fload(FD, globals, GC#gconf{logdir = Dir},
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect directory at line ~w (logdir ~s)", [Lno, Dir])}
end;
["ebin_dir", '=', Ebindir] ->
Dir = filename:absname(Ebindir),
case warn_dir("ebin_dir", Dir) of
true ->
fload(FD, globals, GC#gconf{ebin_dir =
[Dir|GC#gconf.ebin_dir]},
C, Cs, Lno+1, Next);
false ->
fload(FD, globals, GC, C, Cs, Lno+1, Next)
end;
["runmod", '=', Mod0] ->
Mod = list_to_atom(Mod0),
fload(FD, globals, GC#gconf{runmods = [Mod|GC#gconf.runmods]},
C, Cs, Lno+1, Next);
["enable_soap", '=', Bool] ->
if (Bool == "true") ->
fload(FD, globals, GC#gconf{enable_soap = true},
C, Cs, Lno+1, Next);
true ->
fload(FD, globals, GC#gconf{enable_soap = false},
C, Cs, Lno+1, Next)
end;
["soap_srv_mods", '=' | SoapSrvMods] ->
case parse_soap_srv_mods(SoapSrvMods, []) of
{ok, L} ->
fload(FD, globals, GC#gconf{soap_srv_mods = L},
C, Cs, Lno+1, Next);
{error, Str} ->
{error, ?F("~s at line ~w", [Str, Lno])}
end;
["max_connections", '=', Int] ->
case (catch list_to_integer(Int)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{max_connections = I},
C, Cs, Lno+1, Next);
_ when Int == "nolimit" ->
fload(FD, globals, GC, C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["log_wrap_size", '=', Int] ->
case (catch list_to_integer(Int)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{log_wrap_size = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["log_resolve_hostname", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals, ?gc_log_set_resolve_hostname(GC, Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["fail_on_bind_err", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals, ?gc_set_fail_on_bind_err(GC, Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["include_dir", '=', Incdir] ->
Dir = filename:absname(Incdir),
case warn_dir("include_dir", Dir) of
true ->
fload(FD, globals, GC#gconf{include_dir=
[Dir|GC#gconf.include_dir]},
C, Cs, Lno+1, Next);
false ->
fload(FD, globals, GC, C, Cs, Lno+1, Next)
end;
["mnesia_dir", '=', Mnesiadir] ->
Dir = filename:absname(Mnesiadir),
case is_dir(Dir) of
true ->
put(mnesiadir, Dir),
fload(FD, globals, GC#gconf{mnesia_dir = Dir},
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect mnesia directory at line ~w", [Lno])}
end;
["tmpdir", '=', _TmpDir] ->
%% ignore
error_logger:format(
"tmpdir in yaws.conf is no longer supported - ignoring\n",[]),
fload(FD, globals, GC,C, Cs, Lno+1, Next);
%% keep this bugger for backward compat for a while
["keepalive_timeout", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{keepalive_timeout = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["php_exe_path", '=' , PhpPath] ->
case is_file(PhpPath) of
true ->
fload(FD, globals, GC#gconf{phpexe = PhpPath},
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect executable file at line ~w", [Lno])}
end;
%% deprected, don't use
["read_timeout", '=', _Val] ->
fload(FD, globals, GC, C, Cs, Lno+1, Next);
["max_num_cached_files", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{max_num_cached_files = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["max_num_cached_bytes", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{max_num_cached_bytes = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["max_size_cached_file", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
fload(FD, globals, GC#gconf{max_size_cached_file = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["cache_refresh_secs", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I), I >= 0 ->
fload(FD, globals, GC#gconf{cache_refresh_secs = I},
C, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect 0 or positive integer at line ~w",[Lno])}
end;
["username", '=' , _Uname] ->
{error, "username feature not supported anymore - use fdsrv"};
["copy_error_log", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals, ?gc_set_copy_errlog(GC, Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["auth_log", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals, ?gc_set_auth_log(GC, Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["id", '=', String] when GC#gconf.id == undefined;
GC#gconf.id == "default" ->
fload(FD, globals, GC#gconf{id=String},C, Cs, Lno+1, Next);
["id", '=', String] ->
error_logger:format("Ignoring 'id = ~p' setting at line ~p~n",
[String,Lno]),
fload(FD, globals, GC, C, Cs, Lno+1, Next);
["pick_first_virthost_on_nomatch", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals,
?gc_set_pick_first_virthost_on_nomatch(GC,Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["use_fdsrv", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals,
?gc_set_use_fdsrv(GC,Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["use_old_ssl", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, globals,
?gc_set_use_old_ssl(GC,Val),
C, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["use_large_ssl_pool", '=', _Bool] ->
%% just ignore - not relevant any longer
fload(FD, globals, GC,
C, Cs, Lno+1, Next);
['<', "server", Server, '>'] -> %% first server
fload(FD, server, GC, #sconf{servername = Server},
Cs, Lno+1, Next);
[H|_] ->
{error, ?F("Unexpected tokens ~p at line ~w", [H, Lno])}
end;
fload(FD, server, GC, C, Cs, Lno, Chars) ->
Next = io:get_line(FD, ''),
case toks(Chars) of
[] ->
fload(FD, server, GC, C, Cs, Lno+1, Next);
["access_log", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
C2 = ?sc_set_access_log(C, Val),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["dir_listings", '=', StrVal] ->
case StrVal of
"true" ->
C2 = ?sc_set_dir_listings(C, true),
C3 = ?sc_set_dir_all_zip(C2, true),
C4 = C3#sconf{appmods = [ {"all.zip", yaws_ls},
{"all.tgz", yaws_ls},
{"all.tbz2", yaws_ls}|
C3#sconf.appmods]},
fload(FD, server, GC, C4, Cs, Lno+1, Next);
"true_nozip" ->
C2 = ?sc_set_dir_listings(C, true),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
"false" ->
C2 = ?sc_set_dir_listings(C, false),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect true|true_nozip|false at line ~w",[Lno])}
end;
["deflate", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
C2 = ?sc_set_deflate(C, Val),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["dav", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
C2 = ?sc_set_dav(C, Val),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
["port", '=', Val] ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
C2 = C#sconf{port = I},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["rmethod", '=', Val] ->
case Val of
"http" ->
C2 = C#sconf{rmethod = Val},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
"https" ->
C2 = C#sconf{rmethod = Val},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect http or https at line ~w", [Lno])}
end;
["rhost", '=', Val] ->
C2 = C#sconf{rhost = Val},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["listen", '=', IP] ->
case inet_parse:address(IP) of
{error, _} ->
{error, ?F("Expect IP address at line ~w:", [Lno])};
{ok,Addr} ->
C2 = C#sconf{listen = Addr},
fload(FD, server, GC, C2, Cs, Lno+1, Next)
end;
["listen_backlog", '=', Val] ->
case (catch list_to_integer(Val)) of
B when is_integer(B) ->
C2 = case proplists:get_value(listen_opts,
C#sconf.soptions) of
undefined ->
C#sconf{soptions =
[{listen_opts, [{backlog, B}]} |
C#sconf.soptions]};
Opts ->
C#sconf{soptions =
[{listen_opts, [{backlog, B} | Opts]} |
C#sconf.soptions]}
end,
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["servername", '=', Name] ->
C2 = ?sc_set_add_port((C#sconf{servername = Name}),false),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["docroot", '=', Rootdir | XtraDirs] ->
RootDirs = lists:map(
fun(R) -> filename:absname(R)
end, [Rootdir | XtraDirs]),
case lists:filter(
fun(R) -> not is_dir(R) end, RootDirs) of
[] ->
C2 = C#sconf{docroot = hd(RootDirs),
xtra_docroots = tl(RootDirs)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error, ?F("Expect directory at line ~w (docroot: ~s)",
[Lno, hd(RootDirs)])}
end;
["partial_post_size",'=',Size] ->
case Size of
"nolimit" ->
C2 = C#sconf{partial_post_size = nolimit},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
Val ->
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
C2 = C#sconf{partial_post_size = I},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_ ->
{error,
?F("Expect integer or 'nolimit' at line ~w",
[Lno])}
end
end;
['<', "auth", '>'] ->
fload(FD, server_auth, GC, C, Cs, Lno+1, Next, #auth{});
['<', "redirect", '>'] ->
fload(FD, server_redirect, GC, C, Cs, Lno+1, Next, []);
%% noop
["default_server_on_this_ip", '=', _Bool] ->
fload(FD, server, GC, C, Cs, Lno+1, Next);
[ '<', "ssl", '>'] ->
ssl_start(),
fload(FD, ssl, GC, C#sconf{ssl = #ssl{}}, Cs, Lno+1, Next);
["appmods", '=' | AppMods] ->
case parse_appmods(AppMods, []) of
{ok, L} ->
C2 = C#sconf{appmods = L ++ C#sconf.appmods},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
{error, Str} ->
{error, ?F("~s at line ~w", [Str, Lno])}
end;
["errormod_404", '=' , Module] ->
C2 = C#sconf{errormod_404 = list_to_atom(Module)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["errormod_crash", '=', Module] ->
C2 = C#sconf{errormod_crash = list_to_atom(Module)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["errormod_401", '=' , Module] ->
C2 = C#sconf{errormod_401 = list_to_atom(Module)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["arg_rewrite_mod", '=', Module] ->
C2 = C#sconf{arg_rewrite_mod = list_to_atom(Module)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["tilde_expand", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
C2 = ?sc_set_tilde_expand(C,Val),
fload(FD, server, GC, C2, Cs, Lno+1, Next);
false ->
{error, ?F("Expect true|false at line ~w", [Lno])}
end;
['<', "/server", '>'] ->
fload(FD, globals, GC, undefined, [C|Cs], Lno+1, Next);
['<', "opaque", '>'] ->
fload(FD, opaque, GC, C, Cs, Lno+1, Next);
["start_mod", '=' , Module] ->
C2 = C#sconf{start_mod = list_to_atom(Module)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
['<', "rss", '>'] ->
erase(rss_id),
put(rss, []),
fload(FD, rss, GC, C, Cs, Lno+1, Next);
["tilde_allowed_scripts", '=' | Suffixes] ->
C2 = C#sconf{tilde_allowed_scripts =
lists:map(fun(X)->element(1,mime_types:t(X)) end,
Suffixes)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["allowed_scripts", '=' | Suffixes] ->
C2 = C#sconf{allowed_scripts =
lists:map(fun(X)->element(1,mime_types:t(X)) end,
Suffixes)},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
["revproxy", '=', Prefix, Url] ->
case (catch yaws_api:parse_url(Url)) of
{'EXIT', _} ->
{error, ?F("Bad url at line ~p",[Lno])};
URL when URL#url.path == "/" ->
P = case lists:reverse(Prefix) of
[$/|_Tail] ->
Prefix;
Other ->
lists:reverse([$/|Other])
end,
C2 = C#sconf{revproxy = [{P, URL} | C#sconf.revproxy]},
fload(FD, server, GC, C2, Cs, Lno+1, Next);
_URL ->
{error, "Can't revproxy to an URL with a path "}
end;
["fwdproxy", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
C2 = ?sc_set_forward_proxy(C, Val),
fload(FD, server, GC, C2, Cs, Lno+1, Next);