/
yaws_config.erl
3506 lines (3100 loc) · 129 KB
/
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").
-define(NEXTLINE, io_get_line(FD, '', [])).
-export([load/1,
make_default_gconf/2, make_default_sconf/0, make_default_sconf/3,
add_sconf/1,
add_yaws_auth/1,
add_yaws_soap_srv/1, add_yaws_soap_srv/2,
load_mime_types_module/2,
compile_and_load_src_dir/1,
search_sconf/3, search_group/3,
update_sconf/4, delete_sconf/3,
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, toks/2]).
%% where to look for yaws.conf
paths() ->
case application:get_env(yaws, config) of
undefined ->
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;
{ok, File} ->
[File]
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 any 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),
GC1 = if E#env.traceoutput == undefined ->
GC;
true ->
?gc_set_tty_trace(GC, E#env.traceoutput)
end,
GC2 = ?gc_set_debug(GC1, E#env.debug),
GC3 = GC2#gconf{trace = E#env.trace},
R = fload(FD, GC3),
?Debug("FLOAD(~s): ~p", [File, R]),
case R of
{ok, GC4, Cs} ->
yaws:mkdir(yaws:tmpdir()),
Cs1 = add_yaws_auth(Cs),
add_yaws_soap_srv(GC4),
validate_cs(GC4, Cs1);
Err ->
Err
end;
Err ->
{error, ?F("Can't open config file ~s: ~p", [File, Err])}
end.
add_yaws_soap_srv(GC) when GC#gconf.enable_soap == true ->
add_yaws_soap_srv(GC, true);
add_yaws_soap_srv(_GC) ->
[].
add_yaws_soap_srv(GC, false) when GC#gconf.enable_soap == true ->
[{yaws_soap_srv, {yaws_soap_srv, start_link, [GC#gconf.soap_srv_mods]},
permanent, 5000, worker, [yaws_soap_srv]}];
add_yaws_soap_srv(GC, true) when GC#gconf.enable_soap == true ->
Spec = add_yaws_soap_srv(GC, false),
case whereis(yaws_soap_srv) of
undefined ->
spawn(fun() -> supervisor:start_child(yaws_sup, hd(Spec)) end);
_ ->
ok
end,
Spec;
add_yaws_soap_srv(_GC, _Start) ->
[].
add_yaws_auth(#sconf{}=SC) ->
SC#sconf{authdirs = setup_auth(SC)};
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, xtra_docroots = XtraDocroots,
authdirs = Authdirs}=SC) ->
[begin
Authdirs1 = load_yaws_auth_from_docroot(D, ?sc_auth_skip_docroot(SC)),
Authdirs2 = load_yaws_auth_from_authdirs(Authdirs, D, []),
Authdirs3 = [A || A <- Authdirs1,
not lists:keymember(A#auth.dir,#auth.dir,Authdirs2)],
Authdirs4 = ensure_auth_headers(Authdirs3 ++ Authdirs2),
start_pam(Authdirs4),
{D, Authdirs4}
end || D <- [Docroot|XtraDocroots] ].
load_yaws_auth_from_docroot(_, true) ->
[];
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),
A = #auth{docroot=Docroot, dir=Dir},
case catch load_yaws_auth_file(Path, A) of
{ok, L} -> L ++ Acc;
_Other -> 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=Dir}| Rest], Docroot, Acc) ->
if
Auth#auth.docroot /= [] andalso Auth#auth.docroot /= Docroot ->
load_yaws_auth_from_authdirs(Rest, Docroot, Acc);
Auth#auth.docroot == [] ->
Auth1 = Auth#auth{dir=filename:nativename(Dir)},
F = fun(A) ->
(A#auth.docroot == Docroot andalso
A#auth.dir == Auth1#auth.dir)
end,
case lists:any(F, Acc) of
true ->
load_yaws_auth_from_authdirs(Rest, Docroot, Acc);
false ->
Acc1 = Acc ++ load_yaws_auth_from_authdir(Docroot, Auth1),
load_yaws_auth_from_authdirs(Rest, Docroot, Acc1)
end;
true -> %% #auth.docroot == Docroot
Auth1 = Auth#auth{docroot=Docroot, dir=filename:nativename(Dir)},
F = fun(A) ->
not (A#auth.docroot == [] andalso
A#auth.dir == Auth1#auth.dir)
end,
Acc1 = lists:filter(F, Acc),
Acc2 = Acc1 ++ load_yaws_auth_from_authdir(Docroot, Auth1),
load_yaws_auth_from_authdirs(Rest, Docroot, Acc2)
end;
load_yaws_auth_from_authdirs([{Docroot, Auths}|_], Docroot, Acc) ->
load_yaws_auth_from_authdirs(Auths, Docroot, Acc);
load_yaws_auth_from_authdirs([_| Rest], Docroot, Acc) ->
load_yaws_auth_from_authdirs(Rest, Docroot, Acc).
load_yaws_auth_from_authdir(Docroot, Auth) ->
Dir = case Auth#auth.dir of
"/" ++ R -> R;
_ -> Auth#auth.dir
end,
Path = filename:join([Docroot, Dir, ".yaws_auth"]),
case catch load_yaws_auth_file(Path, Auth) of
{ok, Auths} -> Auths;
_ -> [Auth]
end.
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([#auth{pam = false}|T]) ->
start_pam(T);
start_pam([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{files=[]}) ->
{ok, [Auth]};
parse_yaws_auth_file([], Auth=#auth{dir=Dir, files=Files}) ->
{ok, [Auth#auth{dir=filename:join(Dir, F), files=[F]} || F <- Files]};
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) ->
Files = case File of
"/" ++ F -> [F|Auth0#auth.files];
_ -> [File|Auth0#auth.files]
end,
parse_yaws_auth_file(T, Auth0#auth{files=Files});
parse_yaws_auth_file([{User, Password}|T], Auth0)
when is_list(User), is_list(Password) ->
Hash = crypto:hash(sha256, Password),
Users = case lists:member({User, sha256, Hash}, Auth0#auth.users) of
true -> Auth0#auth.users;
false -> [{User, sha256, Hash} | Auth0#auth.users]
end,
parse_yaws_auth_file(T, Auth0#auth{users = Users});
parse_yaws_auth_file([{User, Algo, B64Hash}|T], Auth0)
when is_list(User), is_list(Algo), is_list(B64Hash) ->
case parse_auth_user(User, Algo, B64Hash) of
{ok, Res} ->
Users = case lists:member(Res, Auth0#auth.users) of
true -> Auth0#auth.users;
false -> [Res | Auth0#auth.users]
end,
parse_yaws_auth_file(T, Auth0#auth{users = Users});
{error, Reason} ->
error_logger:format("Failed to parse user line ~p: ~p~n",
[{User, Algo, B64Hash}, Reason]),
parse_yaws_auth_file(T, Auth0)
end;
parse_yaws_auth_file([{allow, all}|T], Auth0) ->
Auth1 = case Auth0#auth.acl of
none -> Auth0#auth{acl={all, [], deny_allow}};
{_,D,O} -> Auth0#auth{acl={all, D, O}}
end,
parse_yaws_auth_file(T, Auth1);
parse_yaws_auth_file([{allow, IPs}|T], Auth0) when is_list(IPs) ->
Auth1 = case Auth0#auth.acl of
none ->
AllowIPs = parse_auth_ips(IPs, []),
Auth0#auth{acl={AllowIPs, [], deny_allow}};
{all, _, _} ->
Auth0;
{AllowIPs, DenyIPs, Order} ->
AllowIPs2 = parse_auth_ips(IPs, []) ++ AllowIPs,
Auth0#auth{acl={AllowIPs2, DenyIPs, Order}}
end,
parse_yaws_auth_file(T, Auth1);
parse_yaws_auth_file([{deny, all}|T], Auth0) ->
Auth1 = case Auth0#auth.acl of
none -> Auth0#auth{acl={[], all, deny_allow}};
{A,_,O} -> Auth0#auth{acl={A, all, O}}
end,
parse_yaws_auth_file(T, Auth1);
parse_yaws_auth_file([{deny, IPs}|T], Auth0) when is_list(IPs) ->
Auth1 = case Auth0#auth.acl of
none ->
DenyIPs = parse_auth_ips(IPs, []),
Auth0#auth{acl={[], DenyIPs, deny_allow}};
{_, all, _} ->
Auth0;
{AllowIPs, DenyIPs, Order} ->
DenyIPs2 = parse_auth_ips(IPs, []) ++ DenyIPs,
Auth0#auth{acl={AllowIPs, DenyIPs2, Order}}
end,
parse_yaws_auth_file(T, Auth1);
parse_yaws_auth_file([{order, O}|T], Auth0)
when O == allow_deny; O == deny_allow ->
Auth1 = case Auth0#auth.acl of
none -> Auth0#auth{acl={[], [], O}};
{A,D,_} -> Auth0#auth{acl={A, D, O}}
end,
parse_yaws_auth_file(T, Auth1).
%% Create mime_types.erl, compile it and load it. If everything is ok,
%% reload groups.
%%
%% If an error occured, the previously-loaded version (the first time, it's the
%% static version) is kept.
load_mime_types_module(GC, Groups) ->
GInfo = GC#gconf.mime_types_info,
SInfos = [{{SC#sconf.servername, SC#sconf.port}, SC#sconf.mime_types_info}
|| SC <- lists:flatten(Groups),
SC#sconf.mime_types_info /= undefined],
case {is_dir(yaws:id_dir(GC#gconf.id)), is_dir(yaws:tmpdir("/tmp"))} of
{true, _} ->
File = filename:join(yaws:id_dir(GC#gconf.id), "mime_types.erl"),
load_mime_types_module(File, GInfo, SInfos);
{_, true} ->
File = filename:join(yaws:tmpdir("/tmp"), "mime_types.erl"),
load_mime_types_module(File, GInfo, SInfos);
_ ->
error_logger:format("Cannot write module mime_types.erl~n"
"Keep the previously-loaded version~n", [])
end,
lists:map(fun(Gp) ->
[begin
F = fun(X) when is_atom(X) -> X;
(X) -> element(1, mime_types:t(SC, X))
end,
TAS = SC#sconf.tilde_allowed_scripts,
AS = SC#sconf.allowed_scripts,
SC#sconf{tilde_allowed_scripts=lists:map(F, TAS),
allowed_scripts=lists:map(F, AS)}
end || SC <- Gp]
end, Groups).
load_mime_types_module(_, undefined, []) ->
ok;
load_mime_types_module(File, undefined, SInfos) ->
load_mime_types_module(File, #mime_types_info{}, SInfos);
load_mime_types_module(File, GInfo, SInfos) ->
case mime_type_c:generate(File, GInfo, SInfos) of
ok ->
case compile:file(File, [binary]) of
{ok, ModName, Binary} ->
case code:load_binary(ModName, [], Binary) of
{module, ModName} ->
ok;
{error, What} ->
error_logger:format(
"Cannot load module '~p': ~p~n"
"Keep the previously-loaded version~n",
[ModName, What]
)
end;
_ ->
error_logger:format("Compilation of '~p' failed~n"
"Keep the previously-loaded version~n",
[File])
end;
{error, Reason} ->
error_logger:format("Cannot write module ~p: ~p~n"
"Keep the previously-loaded version~n",
[File, Reason])
end.
%% Compile modules found in the configured source directories, recursively.
compile_and_load_src_dir(GC) ->
Incs = lists:map(fun(Dir) -> {i, Dir} end, GC#gconf.include_dir),
Opts = [binary, return] ++ Incs,
lists:foreach(fun(D) -> compile_and_load_src_dir([], [D], Opts) end,
GC#gconf.src_dir).
compile_and_load_src_dir(_Dir, [], _Opts) ->
ok;
compile_and_load_src_dir(Dir, [Entry0|Rest], Opts) ->
Entry1 = case Dir of
[] -> Entry0;
_ -> filename:join(Dir, Entry0)
end,
case filelib:is_dir(Entry1) of
true ->
case file:list_dir(Entry1) of
{ok, Files} ->
compile_and_load_src_dir(Entry1, Files, Opts);
{error, Reason} ->
error_logger:format("Failed to compile modules in ~p: ~s~n",
[Entry1, file:format_error(Reason)])
end;
false ->
case filename:extension(Entry0) of
".erl" -> compile_module_src_dir(Entry1, Opts);
_ -> ok
end
end,
compile_and_load_src_dir(Dir, Rest, Opts).
compile_module_src_dir(File, Opts) ->
case catch compile:file(File, Opts) of
{ok, Mod, Bin} ->
error_logger:info_msg("Compiled ~p~n", [File]),
load_src_dir(File, Mod, Bin);
{ok, Mod, Bin, []} ->
error_logger:info_msg("Compiled ~p [0 Errors - 0 Warnings]~n", [File]),
load_src_dir(File, Mod, Bin);
{ok, Mod, Bin, Warnings} ->
WsMsg = [format_compile_warns(W,[]) || W <- Warnings],
error_logger:warning_msg("Compiled ~p [~p Errors - ~p Warnings]~n~s",
[File,0,length(WsMsg),WsMsg]),
load_src_dir(File, Mod, Bin);
{error, [], Warnings} ->
WsMsg = [format_compile_warns(W,[]) || W <- Warnings],
error_logger:format("Failed to compile ~p "
"[~p Errors - ~p Warnings]~n~s"
"*** warnings being treated as errors~n",
[File,0,length(WsMsg),WsMsg]);
{error, Errors, Warnings} ->
WsMsg = [format_compile_warns(W,[]) || W <- Warnings],
EsMsg = [format_compile_errs(E,[]) || E <- Errors],
error_logger:format("Failed to compile ~p "
"[~p Errors - ~p Warnings]~n~s~s",
[File,length(EsMsg),length(WsMsg),EsMsg,WsMsg]);
error ->
error_logger:format("Failed to compile ~p~n", [File]);
{'EXIT', Reason} ->
error_logger:format("Failed to compile ~p: ~p~n", [File, Reason])
end.
load_src_dir(File, Mod, Bin) ->
case code:load_binary(Mod, File, Bin) of
{module, Mod} -> ok;
{error, Reason} -> error_logger:format("Cannot load module ~p: ~p~n",
[Mod, Reason])
end.
format_compile_warns({_, []}, Acc) ->
lists:reverse(Acc);
format_compile_warns({File, [{L,M,E}|Rest]}, Acc) ->
Msg = io_lib:format(" ~s:~w: Warning: ~s~n", [File,L,M:format_error(E)]),
format_compile_warns({File, Rest}, [Msg|Acc]).
format_compile_errs({_, []}, Acc) ->
lists:reverse(Acc);
format_compile_errs({File, [{L,M,E}|Rest]}, Acc) ->
Msg = io_lib:format(" ~s:~w: ~s~n", [File,L,M:format_error(E)]),
format_compile_errs({File, Rest}, [Msg|Acc]).
%% This is the function that arranges sconfs into
%% different server groups
validate_cs(GC, Cs) ->
L = lists:map(fun(#sconf{listen=IP0}=SC0) ->
SC = case is_tuple(IP0) of
false ->
{ok, IP} = inet_parse:address(IP0),
SC0#sconf{listen=IP};
true ->
SC0
end,
{{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(GC, L3) of
ok ->
{ok, GC, L3};
Err ->
Err
end.
validate_groups(_, []) ->
ok;
validate_groups(GC, [H|T]) ->
case (catch validate_group(GC, H)) of
ok ->
validate_groups(GC, T);
Err ->
Err
end.
validate_group(GC, List) ->
[SC0|SCs] = List,
%% all servers with the same IP/Port must share the same tcp configuration
case lists:all(fun(SC) ->
lists:keyfind(listen_opts, 1, SC#sconf.soptions) ==
lists:keyfind(listen_opts, 1, SC0#sconf.soptions)
end, SCs) of
true ->
ok;
false ->
throw({error, ?F("Servers in the same group must share the same tcp"
" configuration: ~p", [SC0#sconf.servername])})
end,
%% If the default servers (the first one) is not an SSL server:
%% all servers with the same IP/Port must be non-SSL server
%% If SNI is disabled or not supported:
%% all servers with the same IP/Port must share the same SSL config
%% If SNI is enabled:
%% TLS protocol must be supported by the default servers (the first one)
if
SC0#sconf.ssl == undefined ->
case lists:all(fun(SC) -> SC#sconf.ssl == SC0#sconf.ssl end, SCs) of
true -> ok;
false ->
throw({error, ?F("All servers in the same group than"
" ~p must have no SSL configuration",
[SC0#sconf.servername])})
end;
GC#gconf.sni == disable ->
case lists:all(fun(SC) -> SC#sconf.ssl == SC0#sconf.ssl end, SCs) of
true -> ok;
false ->
throw({error, ?F("SNI is disabled, all servers in the same"
" group than ~p must share the same ssl"
" configuration",
[SC0#sconf.servername])})
end;
true ->
Vs = case (SC0#sconf.ssl)#ssl.protocol_version of
undefined -> proplists:get_value(available,ssl:versions());
L -> L
end,
F = fun(V) -> lists:member(V, ['tlsv1.2','tlsv1.1',tlsv1]) end,
case lists:any(F, Vs) of
true -> ok;
false ->
throw({error, ?F("SNI is enabled, the server ~p must enable"
" TLS protocol", [SC0#sconf.servername])})
end
end,
%% 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) ->
C1 = set_server(C),
arrange(Tail, {in, C1}, [C1], B);
arrange([], _, [], B) ->
B;
arrange([], _, A, B) ->
[lists:reverse(A) | B];
arrange([C|Tail], {in, C0}, A, B) ->
C1 = set_server(C),
if
C1#sconf.listen == C0#sconf.listen,
C1#sconf.port == C0#sconf.port ->
arrange(Tail, {in, C0}, [C1|A], B);
true ->
arrange(Tail, {in, C1}, [C1], [lists:reverse(A)|B])
end.
set_server(SC) ->
SC1 = if
SC#sconf.port == 0 ->
{ok, P} = yaws:find_private_port(),
SC#sconf{port=P};
true ->
SC
end,
case {SC1#sconf.ssl, SC1#sconf.port, ?sc_has_add_port(SC1)} of
{undefined, 80, _} ->
SC1;
{undefined, Port, true} ->
add_port(SC1, Port);
{_SSL, 443, _} ->
SC1;
{_SSL, Port, true} ->
add_port(SC1, Port);
{_,_,_} ->
SC1
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 ++ [$:|integer_to_list(Port)]}
end.
make_default_gconf(Debug, Id) ->
Y = yaws_dir(),
Flags = case yaws_sendfile:have_sendfile() of
true ->
(?GC_COPY_ERRLOG bor ?GC_FAIL_ON_BIND_ERR bor
?GC_PICK_FIRST_VIRTHOST_ON_NOMATCH bor
?GC_USE_YAWS_SENDFILE);
false ->
(?GC_COPY_ERRLOG bor ?GC_FAIL_ON_BIND_ERR bor
?GC_PICK_FIRST_VIRTHOST_ON_NOMATCH)
end,
#gconf{yaws_dir = Y,
ebin_dir = [filename:join([Y, "examples/ebin"])],
include_dir = [filename:join([Y, "examples/include"])],
trace = false,
logdir = ".",
cache_refresh_secs = if
Debug == true ->
0;
true ->
30
end,
flags = if Debug -> Flags bor ?GC_DEBUG;
true -> Flags
end,
yaws = "Yaws " ++ yaws_generated:version(),
id = Id
}.
%% Keep this function for backward compatibility. But no one is supposed to use
%% it (yaws_config is an internal module, its api is private).
make_default_sconf() ->
make_default_sconf([], undefined, undefined).
make_default_sconf([], Servername, Port) ->
make_default_sconf(filename:join([yaws_dir(), "www"]), Servername, Port);
make_default_sconf(DocRoot, undefined, Port) ->
make_default_sconf(DocRoot, "localhost", Port);
make_default_sconf(DocRoot, Servername, undefined) ->
make_default_sconf(DocRoot, Servername, 8000);
make_default_sconf(DocRoot, Servername, Port) ->
AbsDocRoot = filename:absname(DocRoot),
case is_dir(AbsDocRoot) of
true ->
set_server(#sconf{port=Port, servername=Servername,
listen={127,0,0,1},docroot=AbsDocRoot});
false ->
throw({error, ?F("Invalid docroot: directory ~s does not exist",
[AbsDocRoot])})
end.
yaws_dir() ->
yaws:get_app_dir().
string_to_host_and_port(String) ->
HostPortRE = "^(?:\\[([^\\]]+)\\]|([^:]+)):([0-9]+)$",
REOptions = [{capture, all_but_first, list}],
case re:run(String, HostPortRE, REOptions) of
{match, [IPv6, HostOrIPv4, Port]} ->
case string:to_integer(Port) of
{Integer, []} when Integer >= 0, Integer =< 65535 ->
case IPv6 of
"" -> {ok, HostOrIPv4, Integer};
_ -> {ok, IPv6, Integer}
end;
_Else ->
{error, ?F("~p is not a valid port number", [Port])}
end;
nomatch ->
{error, ?F("bad host and port specifier, expected HOST:PORT; "
"use [IP]:PORT for IPv6 address", [])}
end.
string_to_node_mod_fun(String) ->
case string:tokens(String, ":") of
[Node, Mod, Fun] ->
{ok, list_to_atom(Node), list_to_atom(Mod), list_to_atom(Fun)};
[Mod, Fun] ->
{ok, list_to_atom(Mod), list_to_atom(Fun)};
_ ->
{error, ?F("bad external module specifier, "
"expected NODE:MODULE:FUNCTION or MODULE:FUNCTION", [])}
end.
%% two states, global, server
fload(FD, GC) ->
case catch fload(FD, GC, [], 1, ?NEXTLINE) of
{ok, GC1, Cs} -> {ok, GC1, lists:reverse(Cs)};
Err -> Err
end.
fload(FD, GC, Cs, _Lno, eof) ->
file:close(FD),
{ok, GC, Cs};
fload(FD, GC, Cs, Lno, Chars) ->
case toks(Lno, Chars) of
[] ->
fload(FD, GC, Cs, Lno+1, ?NEXTLINE);
["subconfig", '=', Name] ->
case subconfigfiles(FD, Name, Lno) of
{ok, Files} ->
case fload_subconfigfiles(Files, global, GC, Cs) of
{ok, GC1, Cs1} ->
fload(FD, GC1, Cs1, Lno+1, ?NEXTLINE);
Err ->
Err
end;
Err ->
Err
end;
["subconfigdir", '=', Name] ->
case subconfigdir(FD, Name, Lno) of
{ok, Files} ->
case fload_subconfigfiles(Files, global, GC, Cs) of
{ok, GC1, Cs1} ->
fload(FD, GC1, Cs1, Lno+1, ?NEXTLINE);
Err ->
Err
end;
Err ->
Err
end;
["trace", '=', Bstr] when GC#gconf.trace == false ->
case Bstr of
"traffic" ->
fload(FD, GC#gconf{trace = {true, traffic}}, Cs,
Lno+1, ?NEXTLINE);
"http" ->
fload(FD, GC#gconf{trace = {true, http}}, Cs,
Lno+1, ?NEXTLINE);
"false" ->
fload(FD, GC#gconf{trace = false}, Cs, Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect false|http|traffic at line ~w",[Lno])}
end;
["trace", '=', _Bstr] ->
%% don't overwrite setting from commandline
fload(FD, GC, Cs, Lno+1, ?NEXTLINE);
["logdir", '=', Logdir] ->
Dir = case Logdir of
"+" ++ D ->
D1 = filename:absname(D),
%% try to make the log directory if it doesn't exist
yaws:mkdir(D1),
D1;
_ ->
filename:absname(Logdir)
end,
case is_dir(Dir) of
true ->
put(logdir, Dir),
fload(FD, GC#gconf{logdir = Dir}, Cs, Lno+1, ?NEXTLINE);
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, GC#gconf{ebin_dir = [Dir|GC#gconf.ebin_dir]}, Cs,
Lno+1, ?NEXTLINE);
false ->
fload(FD, GC, Cs, Lno+1, ?NEXTLINE)
end;
["src_dir", '=', Srcdir] ->
Dir = filename:absname(Srcdir),
case warn_dir("src_dir", Dir) of
true ->
fload(FD, GC#gconf{src_dir = [Dir|GC#gconf.src_dir]}, Cs,
Lno+1, ?NEXTLINE);
false ->
fload(FD, GC, Cs, Lno+1, ?NEXTLINE)
end;
["runmod", '=', Mod0] ->
Mod = list_to_atom(Mod0),
fload(FD, GC#gconf{runmods = [Mod|GC#gconf.runmods]}, Cs,
Lno+1, ?NEXTLINE);
["enable_soap", '=', Bool] ->
if (Bool == "true") ->
fload(FD, GC#gconf{enable_soap = true}, Cs,
Lno+1, ?NEXTLINE);
true ->
fload(FD, GC#gconf{enable_soap = false}, Cs,
Lno+1, ?NEXTLINE)
end;
["soap_srv_mods", '=' | SoapSrvMods] ->
case parse_soap_srv_mods(SoapSrvMods, []) of
{ok, L} ->
fload(FD, GC#gconf{soap_srv_mods = L}, Cs,
Lno+1, ?NEXTLINE);
{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, GC#gconf{max_connections = I}, Cs,
Lno+1, ?NEXTLINE);
_ when Int == "nolimit" ->
fload(FD, GC, Cs, Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["process_options", '=', POpts] ->
case parse_process_options(POpts) of
{ok, ProcList} ->
fload(FD, GC#gconf{process_options=ProcList}, Cs,
Lno+1, ?NEXTLINE);
{error, Str} ->
{error, ?F("~s at line ~w", [Str, Lno])}
end;
["large_file_chunk_size", '=', Int] ->
case (catch list_to_integer(Int)) of
I when is_integer(I) ->
fload(FD, GC#gconf{large_file_chunk_size = I}, Cs,
Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["large_file_sendfile", '=', Method] ->
case set_sendfile_flags(GC, Method) of
{ok, GC1} ->
fload(FD, GC1, Cs, Lno+1, ?NEXTLINE);
{error, Str} ->
{error, ?F("~s at line ~w", [Str, Lno])}
end;
["acceptor_pool_size", '=', Int] ->
case catch list_to_integer(Int) of
I when is_integer(I), I >= 0 ->
fload(FD, GC#gconf{acceptor_pool_size = I}, Cs,
Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer >= 0 at line ~w", [Lno])}
end;
["log_wrap_size", '=', Int] ->
case (catch list_to_integer(Int)) of
I when is_integer(I) ->
fload(FD, GC#gconf{log_wrap_size = I}, Cs,
Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["log_resolve_hostname", '=', Bool] ->
case is_bool(Bool) of
{true, Val} ->
fload(FD, ?gc_log_set_resolve_hostname(GC, Val), Cs,
Lno+1, ?NEXTLINE);
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, ?gc_set_fail_on_bind_err(GC, Val), Cs,
Lno+1, ?NEXTLINE);
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, GC#gconf{include_dir= [Dir|GC#gconf.include_dir]},
Cs, Lno+1, ?NEXTLINE);
false ->
fload(FD, GC, Cs, Lno+1, ?NEXTLINE)
end;
["mnesia_dir", '=', Mnesiadir] ->
Dir = filename:absname(Mnesiadir),
case is_dir(Dir) of
true ->
put(mnesiadir, Dir),
fload(FD, GC#gconf{mnesia_dir = Dir}, Cs, Lno+1, ?NEXTLINE);
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, GC, Cs, Lno+1, ?NEXTLINE);
["keepalive_timeout", '=', Val] ->
%% keep this bugger for backward compat for a while
case (catch list_to_integer(Val)) of
I when is_integer(I) ->
fload(FD, GC#gconf{keepalive_timeout = I}, Cs,
Lno+1, ?NEXTLINE);
_ when Val == "infinity" ->
fload(FD, GC#gconf{keepalive_timeout = infinity}, Cs,
Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["keepalive_maxuses", '=', Int] ->
case (catch list_to_integer(Int)) of
I when is_integer(I) ->
fload(FD, GC#gconf{keepalive_maxuses = I}, Cs,
Lno+1, ?NEXTLINE);
_ when Int == "nolimit" ->
%% nolimit is the default
fload(FD, GC, Cs, Lno+1, ?NEXTLINE);
_ ->
{error, ?F("Expect integer at line ~w", [Lno])}
end;
["php_exe_path", '=' , PhpPath] ->
error_logger:format(
"'php_exe_path' is deprecated, use 'php_handler' instead\n",
[]),
case is_file(PhpPath) of
true ->
fload(FD, GC#gconf{phpexe = PhpPath}, Cs, Lno+1, ?NEXTLINE);
false ->
{error, ?F("Expect executable file at line ~w", [Lno])}
end;
["read_timeout", '=', _Val] ->
%% deprected, don't use
error_logger:format(
"read_timeout in yaws.conf is no longer supported - ignoring\n",[]