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-rw-r--r--lib/snmp/src/manager/snmpm_mpd.erl47
1 files changed, 29 insertions, 18 deletions
diff --git a/lib/snmp/src/manager/snmpm_mpd.erl b/lib/snmp/src/manager/snmpm_mpd.erl
index 7712370d28..627838e3d4 100644
--- a/lib/snmp/src/manager/snmpm_mpd.erl
+++ b/lib/snmp/src/manager/snmpm_mpd.erl
@@ -92,7 +92,7 @@ reset(#state{v3 = V3}) ->
%% Purpose: This is the main Message Dispatching function. (see
%% section 4.2.1 in rfc2272)
%%-----------------------------------------------------------------
-process_msg(Msg, TDomain, Addr, Port, State, NoteStore, Logger) ->
+process_msg(Msg, Domain, Addr, Port, State, NoteStore, Logger) ->
inc(snmpInPkts),
@@ -102,18 +102,18 @@ process_msg(Msg, TDomain, Addr, Port, State, NoteStore, Logger) ->
#message{version = 'version-1', vsn_hdr = Community, data = Data}
when State#state.v1 =:= true ->
HS = ?empty_msg_size + length(Community),
- process_v1_v2c_msg('version-1', NoteStore, Msg, TDomain,
- Addr, Port,
+ process_v1_v2c_msg('version-1', NoteStore, Msg,
+ Domain, Addr, Port,
Community, Data, HS, Logger);
%% Version 2
#message{version = 'version-2', vsn_hdr = Community, data = Data}
when State#state.v2c =:= true ->
HS = ?empty_msg_size + length(Community),
- process_v1_v2c_msg('version-2', NoteStore, Msg, TDomain,
- Addr, Port,
- Community, Data, HS, Logger);
-
+ (catch process_v1_v2c_msg('version-2', NoteStore, Msg,
+ Domain, Addr, Port,
+ Community, Data, HS, Logger));
+
%% Version 3
#message{version = 'version-3', vsn_hdr = H, data = Data}
when State#state.v3 =:= true ->
@@ -148,17 +148,30 @@ process_msg(Msg, TDomain, Addr, Port, State, NoteStore, Logger) ->
%%-----------------------------------------------------------------
%% Handles a Community based message (v1 or v2c).
%%-----------------------------------------------------------------
-process_v1_v2c_msg(Vsn, _NoteStore, Msg, snmpUDPDomain,
+process_v1_v2c_msg(Vsn, _NoteStore, Msg, Domain,
Addr, Port,
Community, Data, HS, Log) ->
?vdebug("process_v1_v2c_msg -> entry with"
"~n Vsn: ~p"
+ "~n Domain: ~p"
"~n Addr: ~p"
"~n Port: ~p"
"~n Community: ~p"
- "~n HS: ~p", [Vsn, Addr, Port, Community, HS]),
+ "~n HS: ~p", [Vsn, Domain, Addr, Port, Community, HS]),
+ {TDomain, TAddress} =
+ try
+ begin
+ TD = snmp_conf:mk_tdomain(Domain),
+ TA = snmp_conf:mk_taddress(Domain, Addr, Port),
+ {TD, TA}
+ end
+ catch
+ throw:{error, TReason} ->
+ throw({discarded, {badarg, Domain, TReason}})
+ end,
+
Max = get_max_message_size(),
AgentMax = get_agent_max_message_size(Addr, Port),
PduMS = pdu_ms(Max, AgentMax, HS),
@@ -170,14 +183,14 @@ process_v1_v2c_msg(Vsn, _NoteStore, Msg, snmpUDPDomain,
?vtrace("process_v1_v2c_msg -> was a pdu", []),
Log(Msg),
inc_snmp_in(Pdu),
- MsgData = {Community, sec_model(Vsn)},
+ MsgData = {Community, sec_model(Vsn), TDomain, TAddress},
{ok, Vsn, Pdu, PduMS, MsgData};
Trap when is_record(Trap, trappdu) ->
?vtrace("process_v1_v2c_msg -> was a trap", []),
Log(Msg),
inc_snmp_in(Trap),
- MsgData = {Community, sec_model(Vsn)},
+ MsgData = {Community, sec_model(Vsn), TDomain, TAddress},
{ok, Vsn, Trap, PduMS, MsgData};
{'EXIT', Reason} ->
@@ -185,11 +198,7 @@ process_v1_v2c_msg(Vsn, _NoteStore, Msg, snmpUDPDomain,
"~n Reason: ~p", [Reason]),
inc(snmpInASNParseErrs),
{discarded, Reason}
- end;
-process_v1_v2c_msg(_Vsn, _NoteStore, _Msg, TDomain,
- _Addr, _Port,
- _Comm, _HS, _Data, _Log) ->
- {discarded, {badarg, TDomain}}.
+ end.
pdu_ms(MgrMMS, AgentMMS, HS) when AgentMMS < MgrMMS ->
AgentMMS - HS;
@@ -482,8 +491,8 @@ generate_msg('version-3', NoteStore, Pdu,
generate_v3_msg(NoteStore, Pdu,
SecModel, SecName, SecLevel, CtxEngineID, CtxName,
TargetName, Log);
-generate_msg(Vsn, _NoteStore, Pdu, {Community, _SecModel}, Log) ->
- generate_v1_v2c_msg(Vsn, Pdu, Community, Log).
+generate_msg(Vsn, _NoteStore, Pdu, {Comm, _SecModel}, Log) ->
+ generate_v1_v2c_msg(Vsn, Pdu, Comm, Log).
generate_v3_msg(NoteStore, Pdu,
@@ -627,6 +636,8 @@ generate_response_msg('version-3', Pdu,
generate_v3_response_msg(Pdu, MsgID, SecModel, SecName, SecLevel,
CtxEngineID, CtxName, SecData, Log);
generate_response_msg(Vsn, Pdu, {Comm, _SecModel}, Log) ->
+ generate_v1_v2c_response_msg(Vsn, Pdu, Comm, Log);
+generate_response_msg(Vsn, Pdu, {Comm, _SecModel, _TDomain, _TAddress}, Log) ->
generate_v1_v2c_response_msg(Vsn, Pdu, Comm, Log).