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authorRaimo Niskanen <[email protected]>2017-11-29 09:58:22 +0100
committerRaimo Niskanen <[email protected]>2017-12-04 14:50:49 +0100
commit457409e8a460fa115565a5450e7f4eb4a558f32c (patch)
tree761c3bf19af4b2f5c99348a8a31b3fad58cea644 /lib/ssl/src/ssl_dist_sup.erl
parent3358156b5be633b10a59c99403083624c51f4ce5 (diff)
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Read in -ssl_dist_optfile to ETS
Diffstat (limited to 'lib/ssl/src/ssl_dist_sup.erl')
-rw-r--r--lib/ssl/src/ssl_dist_sup.erl67
1 files changed, 65 insertions, 2 deletions
diff --git a/lib/ssl/src/ssl_dist_sup.erl b/lib/ssl/src/ssl_dist_sup.erl
index 690b896919..e92f3d3979 100644
--- a/lib/ssl/src/ssl_dist_sup.erl
+++ b/lib/ssl/src/ssl_dist_sup.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2011-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2011-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -30,6 +30,9 @@
%% Supervisor callback
-export([init/1]).
+%% Debug
+-export([consult/1]).
+
%%%=========================================================================
%%% API
%%%=========================================================================
@@ -37,7 +40,18 @@
-spec start_link() -> {ok, pid()} | ignore | {error, term()}.
start_link() ->
- supervisor:start_link({local, ?MODULE}, ?MODULE, []).
+ case init:get_argument(ssl_dist_optfile) of
+ {ok, [File]} ->
+ DistOpts = consult(File),
+ TabOpts = [set, protected, named_table],
+ Tab = ets:new(ssl_dist_opts, TabOpts),
+ true = ets:insert(Tab, DistOpts),
+ supervisor:start_link({local, ?MODULE}, ?MODULE, []);
+ {ok, BadArg} ->
+ error({bad_ssl_dist_optfile, BadArg});
+ error ->
+ supervisor:start_link({local, ?MODULE}, ?MODULE, [])
+ end.
%%%=========================================================================
%%% Supervisor callback
@@ -78,3 +92,52 @@ proxy_server_child_spec() ->
Modules = [ssl_tls_dist_proxy],
Type = worker,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
+
+consult(File) ->
+ case erl_prim_loader:get_file(File) of
+ {ok, Binary, _FullName} ->
+ Encoding =
+ case epp:read_encoding_from_binary(Binary) of
+ none -> latin1;
+ Enc -> Enc
+ end,
+ case unicode:characters_to_list(Binary, Encoding) of
+ {error, _String, Rest} ->
+ error(
+ {bad_ssl_dist_optfile, {encoding_error, Rest}});
+ {incomplete, _String, Rest} ->
+ error(
+ {bad_ssl_dist_optfile, {encoding_incomplete, Rest}});
+ String when is_list(String) ->
+ consult_string(String)
+ end;
+ error ->
+ error({bad_ssl_dist_optfile, File})
+ end.
+
+consult_string(String) ->
+ case erl_scan:string(String) of
+ {error, Info, Location} ->
+ error({bad_ssl_dist_optfile, {scan_error, Info, Location}});
+ {ok, Tokens, _EndLocation} ->
+ consult_tokens(Tokens)
+ end.
+
+consult_tokens(Tokens) ->
+ case erl_parse:parse_exprs(Tokens) of
+ {error, Info} ->
+ error({bad_ssl_dist_optfile, {parse_error, Info}});
+ {ok, [Expr]} ->
+ consult_expr(Expr);
+ {ok, Other} ->
+ error({bad_ssl_dist_optfile, {parse_error, Other}})
+ end.
+
+consult_expr(Expr) ->
+ {value, Value, Bs} = erl_eval:expr(Expr, erl_eval:new_bindings()),
+ case erl_eval:bindings(Bs) of
+ [] ->
+ Value;
+ Other ->
+ error({bad_ssl_dist_optfile, {bindings, Other}})
+ end.