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authorIngela Anderton Andin <ingela@erlang.org>2011-06-20 17:27:36 +0200
committerIngela Anderton Andin <ingela@erlang.org>2011-06-27 10:37:54 +0200
commit98c0cbbe4cae890bbda6a1d297c9c161534adb6a (patch)
treec5d0bdc6e3cdd6ec489b4c332b01a535187b4849 /lib/ssl/src/ssl_connection.erl
parentd798caa64f4bb7509e89e6b8161c7eb196bc7270 (diff)
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Handle inet:getopts/2 and inet:setopts/2 crashes
Diffstat (limited to 'lib/ssl/src/ssl_connection.erl')
-rw-r--r--lib/ssl/src/ssl_connection.erl66
1 files changed, 51 insertions, 15 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 2c452837f8..5550897a06 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -859,23 +859,23 @@ handle_sync_event({set_opts, Opts0}, _From, StateName,
#state{socket_options = Opts1,
socket = Socket,
user_data_buffer = Buffer} = State0) ->
- Opts = set_socket_opts(Socket, Opts0, Opts1, []),
+ {Reply, Opts} = set_socket_opts(Socket, Opts0, Opts1, []),
State1 = State0#state{socket_options = Opts},
if
Opts#socket_options.active =:= false ->
- {reply, ok, StateName, State1, get_timeout(State1)};
+ {reply, Reply, StateName, State1, get_timeout(State1)};
Buffer =:= <<>>, Opts1#socket_options.active =:= false ->
%% Need data, set active once
{Record, State2} = next_record_if_active(State1),
case next_state(StateName, Record, State2) of
{next_state, StateName, State, Timeout} ->
- {reply, ok, StateName, State, Timeout};
+ {reply, Reply, StateName, State, Timeout};
{stop, Reason, State} ->
{stop, Reason, State}
end;
Buffer =:= <<>> ->
%% Active once already set
- {reply, ok, StateName, State1, get_timeout(State1)};
+ {reply, Reply, StateName, State1, get_timeout(State1)};
true ->
case application_data(<<>>, State1) of
Stop = {stop,_,_} ->
@@ -883,7 +883,7 @@ handle_sync_event({set_opts, Opts0}, _From, StateName,
{Record, State2} ->
case next_state(StateName, Record, State2) of
{next_state, StateName, State, Timeout} ->
- {reply, ok, StateName, State, Timeout};
+ {reply, Reply, StateName, State, Timeout};
{stop, Reason, State} ->
{stop, Reason, State}
end
@@ -2040,31 +2040,67 @@ get_socket_opts(Socket, [active | Tags], SockOpts, Acc) ->
get_socket_opts(Socket, Tags, SockOpts,
[{active, SockOpts#socket_options.active} | Acc]);
get_socket_opts(Socket, [Tag | Tags], SockOpts, Acc) ->
- case inet:getopts(Socket, [Tag]) of
+ try inet:getopts(Socket, [Tag]) of
{ok, [Opt]} ->
get_socket_opts(Socket, Tags, SockOpts, [Opt | Acc]);
{error, Error} ->
- {error, Error}
- end.
+ {error, {eoptions, {inet_option, Tag, Error}}}
+ catch
+ %% So that inet behavior does not crash our process
+ _:Error -> {error, {eoptions, {inet_option, Tag, Error}}}
+ end;
+get_socket_opts(_,Opts, _,_) ->
+ {error, {eoptions, {inet_option, Opts, function_clause}}}.
set_socket_opts(_, [], SockOpts, []) ->
- SockOpts;
+ {ok, SockOpts};
set_socket_opts(Socket, [], SockOpts, Other) ->
%% Set non emulated options
- inet:setopts(Socket, Other),
- SockOpts;
-set_socket_opts(Socket, [{mode, Mode}| Opts], SockOpts, Other) ->
+ try inet:setopts(Socket, Other) of
+ ok ->
+ {ok, SockOpts};
+ {error, InetError} ->
+ {{error, {eoptions, {inet_options, Other, InetError}}}, SockOpts}
+ catch
+ _:Error ->
+ %% So that inet behavior does not crash our process
+ {{error, {eoptions, {inet_options, Other, Error}}}, SockOpts}
+ end;
+
+set_socket_opts(Socket, [{mode, Mode}| Opts], SockOpts, Other) when Mode == list; Mode == binary ->
set_socket_opts(Socket, Opts,
SockOpts#socket_options{mode = Mode}, Other);
-set_socket_opts(Socket, [{packet, Packet}| Opts], SockOpts, Other) ->
+set_socket_opts(_, [{mode, _} = Opt| _], SockOpts, _) ->
+ {{error, {eoptions, {inet_opt, Opt}}}, SockOpts};
+set_socket_opts(Socket, [{packet, Packet}| Opts], SockOpts, Other) when Packet == raw;
+ Packet == 0;
+ Packet == 1;
+ Packet == 2;
+ Packet == 4;
+ Packet == asn1;
+ Packet == cdr;
+ Packet == sunrm;
+ Packet == fcgi;
+ Packet == tpkt;
+ Packet == line;
+ Packet == http;
+ Packet == http_bin ->
set_socket_opts(Socket, Opts,
SockOpts#socket_options{packet = Packet}, Other);
-set_socket_opts(Socket, [{header, Header}| Opts], SockOpts, Other) ->
+set_socket_opts(_, [{packet, _} = Opt| _], SockOpts, _) ->
+ {{error, {eoptions, {inet_opt, Opt}}}, SockOpts};
+set_socket_opts(Socket, [{header, Header}| Opts], SockOpts, Other) when is_integer(Header) ->
set_socket_opts(Socket, Opts,
SockOpts#socket_options{header = Header}, Other);
-set_socket_opts(Socket, [{active, Active}| Opts], SockOpts, Other) ->
+set_socket_opts(_, [{header, _} = Opt| _], SockOpts, _) ->
+ {{error,{eoptions, {inet_opt, Opt}}}, SockOpts};
+set_socket_opts(Socket, [{active, Active}| Opts], SockOpts, Other) when Active == once;
+ Active == true;
+ Active == false ->
set_socket_opts(Socket, Opts,
SockOpts#socket_options{active = Active}, Other);
+set_socket_opts(_, [{active, _} = Opt| _], SockOpts, _) ->
+ {{error, {eoptions, {inet_opt, Opt}} }, SockOpts};
set_socket_opts(Socket, [Opt | Opts], SockOpts, Other) ->
set_socket_opts(Socket, Opts, SockOpts, [Opt | Other]).