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-rw-r--r--lib/snmp/src/agent/snmpa_mpd.erl226
1 files changed, 145 insertions, 81 deletions
diff --git a/lib/snmp/src/agent/snmpa_mpd.erl b/lib/snmp/src/agent/snmpa_mpd.erl
index 2e09286b87..fd75b98f84 100644
--- a/lib/snmp/src/agent/snmpa_mpd.erl
+++ b/lib/snmp/src/agent/snmpa_mpd.erl
@@ -1,27 +1,28 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
-module(snmpa_mpd).
-export([init/1, reset/0, inc/1, counters/0,
discarded_pdu/1,
- process_packet/6,
- generate_response_msg/5, generate_msg/5,
+ process_packet/6, process_packet/7,
+ generate_response_msg/5, generate_response_msg/6,
+ generate_msg/5, generate_msg/6,
generate_discovery_msg/4,
process_taddrs/1,
generate_req_id/0]).
@@ -34,6 +35,7 @@
-define(VMODULE,"MPD").
-include("snmp_verbosity.hrl").
+-include("snmpa_internal.hrl").
-define(empty_msg_size, 24).
@@ -120,6 +122,12 @@ reset() ->
%% section 4.2.1 in rfc2272)
%%-----------------------------------------------------------------
process_packet(Packet, TDomain, TAddress, State, NoteStore, Log) ->
+ LocalEngineID = ?DEFAULT_LOCAL_ENGINE_ID,
+ process_packet(Packet, TDomain, TAddress, LocalEngineID,
+ State, NoteStore, Log).
+
+process_packet(Packet, TDomain, TAddress, LocalEngineID,
+ State, NoteStore, Log) ->
inc(snmpInPkts),
case catch snmp_pdus:dec_message_only(binary_to_list(Packet)) of
@@ -127,15 +135,17 @@ process_packet(Packet, TDomain, TAddress, State, NoteStore, Log) ->
when State#state.v1 =:= true ->
?vlog("v1, community: ~s", [Community]),
HS = ?empty_msg_size + length(Community),
- v1_v2c_proc('version-1', NoteStore, Community, TDomain, TAddress,
- Data, HS, Log, Packet);
+ v1_v2c_proc('version-1', NoteStore, Community,
+ TDomain, TAddress,
+ LocalEngineID, Data, HS, Log, Packet);
#message{version = 'version-2', vsn_hdr = Community, data = Data}
when State#state.v2c =:= true ->
?vlog("v2c, community: ~s", [Community]),
HS = ?empty_msg_size + length(Community),
- v1_v2c_proc('version-2', NoteStore, Community, TDomain, TAddress,
- Data, HS, Log, Packet);
+ v1_v2c_proc('version-2', NoteStore, Community,
+ TDomain, TAddress,
+ LocalEngineID, Data, HS, Log, Packet);
#message{version = 'version-3', vsn_hdr = V3Hdr, data = Data}
when State#state.v3 =:= true ->
@@ -143,7 +153,9 @@ process_packet(Packet, TDomain, TAddress, State, NoteStore, Log) ->
[V3Hdr#v3_hdr.msgID,
V3Hdr#v3_hdr.msgFlags,
V3Hdr#v3_hdr.msgSecurityModel]),
- v3_proc(NoteStore, Packet, TDomain, TAddress, V3Hdr, Data, Log);
+ v3_proc(NoteStore, Packet,
+ TDomain, TAddress,
+ LocalEngineID, V3Hdr, Data, Log);
{'EXIT', {bad_version, Vsn}} ->
?vtrace("exit: bad version: ~p",[Vsn]),
@@ -170,10 +182,11 @@ discarded_pdu(Variable) -> inc(Variable).
%%-----------------------------------------------------------------
%% Handles a Community based message (v1 or v2c).
%%-----------------------------------------------------------------
-v1_v2c_proc(Vsn, NoteStore, Community, snmpUDPDomain, {Ip, Udp},
+v1_v2c_proc(Vsn, NoteStore, Community, snmpUDPDomain,
+ {Ip, Udp}, LocalEngineID,
Data, HS, Log, Packet) ->
TAddress = tuple_to_list(Ip) ++ [Udp div 256, Udp rem 256],
- AgentMS = snmp_framework_mib:get_engine_max_message_size(),
+ AgentMS = get_engine_max_message_size(LocalEngineID),
MgrMS = snmp_community_mib:get_target_addr_ext_mms(?snmpUDPDomain,
TAddress),
PduMS = case MgrMS of
@@ -220,10 +233,10 @@ v1_v2c_proc(Vsn, NoteStore, Community, snmpUDPDomain, {Ip, Udp},
{discarded, trap_pdu}
end;
v1_v2c_proc(_Vsn, _NoteStore, _Community, snmpUDPDomain, TAddress,
- _Data, _HS, _Log, _Packet) ->
+ _LocalEngineID, _Data, _HS, _Log, _Packet) ->
{discarded, {badarg, TAddress}};
v1_v2c_proc(_Vsn, _NoteStore, _Community, TDomain, _TAddress,
- _Data, _HS, _Log, _Packet) ->
+ _LocalEngineID, _Data, _HS, _Log, _Packet) ->
{discarded, {badarg, TDomain}}.
sec_model('version-1') -> ?SEC_V1;
@@ -234,15 +247,19 @@ sec_model('version-2') -> ?SEC_V2C.
%% Handles a SNMPv3 Message, following the procedures in rfc2272,
%% section 4.2 and 7.2
%%-----------------------------------------------------------------
-v3_proc(NoteStore, Packet, _TDomain, _TAddress, V3Hdr, Data, Log) ->
- case (catch v3_proc(NoteStore, Packet, V3Hdr, Data, Log)) of
+v3_proc(NoteStore, Packet, _TDomain, _TAddress, LocalEngineID,
+ V3Hdr, Data, Log) ->
+ case (catch v3_proc(NoteStore, Packet, LocalEngineID, V3Hdr, Data, Log)) of
{'EXIT', Reason} ->
exit(Reason);
Result ->
Result
end.
-v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
+v3_proc(NoteStore, Packet, LocalEngineID, V3Hdr, Data, Log) ->
+ ?vtrace("v3_proc -> entry with"
+ "~n LocalEngineID: ~p",
+ [LocalEngineID]),
%% 7.2.3
#v3_hdr{msgID = MsgID,
msgMaxSize = MMS,
@@ -250,7 +267,7 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
msgSecurityModel = MsgSecurityModel,
msgSecurityParameters = SecParams,
hdr_size = HdrSize} = V3Hdr,
- ?vdebug("v3_proc -> version 3 message header:"
+ ?vdebug("v3_proc -> version 3 message header [7.2.3]:"
"~n msgID = ~p"
"~n msgMaxSize = ~p"
"~n msgFlags = ~p"
@@ -263,17 +280,19 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
SecLevel = check_sec_level(MsgFlags),
IsReportable = snmp_misc:is_reportable(MsgFlags),
%% 7.2.6
- ?vtrace("v3_proc -> "
+ ?vtrace("v3_proc -> [7.2.6]"
"~n SecModule = ~p"
"~n SecLevel = ~p"
"~n IsReportable = ~p",
- [SecModule,SecLevel,IsReportable]),
+ [SecModule, SecLevel, IsReportable]),
SecRes = (catch SecModule:process_incoming_msg(Packet, Data,
- SecParams, SecLevel)),
+ SecParams, SecLevel,
+ LocalEngineID)),
?vtrace("v3_proc -> message processing result: "
"~n SecRes: ~p", [SecRes]),
{SecEngineID, SecName, ScopedPDUBytes, SecData, DiscoOrPlain} =
- check_sec_module_result(SecRes, V3Hdr, Data, IsReportable, Log),
+ check_sec_module_result(SecRes, V3Hdr, Data,
+ LocalEngineID, IsReportable, Log),
?vtrace("v3_proc -> "
"~n DiscoOrPlain: ~w"
"~n SecEngineID: ~w"
@@ -311,7 +330,7 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
Log(PDU#pdu.type, Packet)
end,
%% Make sure a get_bulk doesn't get too big.
- AgentMS = snmp_framework_mib:get_engine_max_message_size(),
+ AgentMS = get_engine_max_message_size(LocalEngineID),
%% PduMMS is supposed to be the maximum total length of the response
%% PDU we can send. From the MMS, we need to subtract everything before
%% the PDU, i.e. Message and ScopedPDU.
@@ -415,8 +434,8 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
throw({discarded, received_v2_trap});
Type ->
%% 7.2.13
- SnmpEngineID = snmp_framework_mib:get_engine_id(),
- ?vtrace("v3_proc -> SnmpEngineID = ~w", [SnmpEngineID]),
+ SnmpEngineID = LocalEngineID,
+ ?vtrace("v3_proc -> 7.2.13", []),
case SecEngineID of
SnmpEngineID when (DiscoOrPlain =:= discovery) ->
%% This is a discovery step 2 message!
@@ -429,6 +448,7 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
ContextName,
SecData,
PDU,
+ LocalEngineID,
Log);
SnmpEngineID when (DiscoOrPlain =:= plain) ->
@@ -444,17 +464,18 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
%% 4.2.2.1.2
NIsReportable = snmp_misc:is_reportable_pdu(Type),
Val = inc(snmpUnknownPDUHandlers),
- ErrorInfo = {#varbind{oid = ?snmpUnknownPDUHandlers,
- variabletype = 'Counter32',
- value = Val},
- SecName,
- [{securityLevel, SecLevel},
- {contextEngineID, ContextEngineID},
- {contextName, ContextName}]},
+ ErrorInfo =
+ {#varbind{oid = ?snmpUnknownPDUHandlers,
+ variabletype = 'Counter32',
+ value = Val},
+ SecName,
+ [{securityLevel, SecLevel},
+ {contextEngineID, ContextEngineID},
+ {contextName, ContextName}]},
case generate_v3_report_msg(MsgID,
MsgSecurityModel,
- Data, ErrorInfo,
- Log) of
+ Data, LocalEngineID,
+ ErrorInfo, Log) of
{ok, Report} when NIsReportable =:= true ->
{discarded, snmpUnknownPDUHandlers, Report};
_ ->
@@ -473,6 +494,7 @@ v3_proc(NoteStore, Packet, V3Hdr, Data, Log) ->
ContextName,
SecData,
PDU,
+ LocalEngineID,
Log);
_ ->
@@ -501,7 +523,7 @@ check_sec_level(Unknown) ->
inc(snmpInvalidMsgs),
throw({discarded, snmpInvalidMsgs}).
-check_sec_module_result(Res, V3Hdr, Data, IsReportable, Log) ->
+check_sec_module_result(Res, V3Hdr, Data, LocalEngineID, IsReportable, Log) ->
case Res of
{ok, X} ->
X;
@@ -516,7 +538,7 @@ check_sec_module_result(Res, V3Hdr, Data, IsReportable, Log) ->
#v3_hdr{msgID = MsgID, msgSecurityModel = MsgSecModel} = V3Hdr,
Pdu = get_scoped_pdu(Data),
case generate_v3_report_msg(MsgID, MsgSecModel, Pdu,
- ErrorInfo, Log) of
+ LocalEngineID, ErrorInfo, Log) of
{ok, Report} ->
throw({discarded, {securityError, Reason}, Report});
{discarded, _SomeOtherReason} ->
@@ -545,8 +567,15 @@ get_scoped_pdu(D) ->
generate_response_msg(Vsn, RePdu, Type, ACMData, Log) ->
generate_response_msg(Vsn, RePdu, Type, ACMData, Log, 1).
+generate_response_msg(Vsn, RePdu, Type, ACMData, Log, N) when is_integer(N) ->
+ LocalEngineID = ?DEFAULT_LOCAL_ENGINE_ID,
+ generate_response_msg(Vsn, RePdu, Type, ACMData, LocalEngineID, Log, N);
+generate_response_msg(Vsn, RePdu, Type, ACMData, LocalEngineID, Log) ->
+ generate_response_msg(Vsn, RePdu, Type, ACMData, LocalEngineID, Log, 1).
+
generate_response_msg(Vsn, RePdu, Type,
{community, _SecModel, Community, _IpUdp},
+ LocalEngineID,
Log, _) ->
case catch snmp_pdus:enc_pdu(RePdu) of
{'EXIT', Reason} ->
@@ -555,8 +584,9 @@ generate_response_msg(Vsn, RePdu, Type,
[RePdu, Community, Reason]),
{discarded, Reason};
PduBytes ->
- Message = #message{version = Vsn, vsn_hdr = Community,
- data = PduBytes},
+ Message = #message{version = Vsn,
+ vsn_hdr = Community,
+ data = PduBytes},
case catch list_to_binary(
snmp_pdus:enc_message_only(Message)) of
{'EXIT', Reason} ->
@@ -565,7 +595,7 @@ generate_response_msg(Vsn, RePdu, Type,
[RePdu, Community, Reason]),
{discarded, Reason};
Packet ->
- MMS = snmp_framework_mib:get_engine_max_message_size(),
+ MMS = get_engine_max_message_size(LocalEngineID),
case size(Packet) of
Len when Len =< MMS ->
Log(Type, Packet),
@@ -584,6 +614,7 @@ generate_response_msg(Vsn, RePdu, Type,
generate_response_msg(Vsn, RePdu, Type,
{v3, MsgID, MsgSecurityModel, SecName, SecLevel,
ContextEngineID, ContextName, SecData},
+ LocalEngineID,
Log, N) ->
%% rfc2272: 7.1 steps 6-8
ScopedPDU = #scopedPdu{contextEngineID = ContextEngineID,
@@ -596,7 +627,7 @@ generate_response_msg(Vsn, RePdu, Type,
[RePdu, ContextName, Reason]),
{discarded, Reason};
ScopedPDUBytes ->
- AgentMS = snmp_framework_mib:get_engine_max_message_size(),
+ AgentMS = get_engine_max_message_size(LocalEngineID),
V3Hdr = #v3_hdr{msgID = MsgID,
msgMaxSize = AgentMS,
msgFlags = snmp_misc:mk_msg_flags(Type, SecLevel),
@@ -611,13 +642,14 @@ generate_response_msg(Vsn, RePdu, Type,
?SEC_USM ->
snmpa_usm
end,
- SecEngineID = snmp_framework_mib:get_engine_id(),
+ SecEngineID = LocalEngineID,
?vtrace("generate_response_msg -> SecEngineID: ~w", [SecEngineID]),
case (catch SecModule:generate_outgoing_msg(Message,
SecEngineID,
SecName,
SecData,
- SecLevel)) of
+ SecLevel,
+ LocalEngineID)) of
{'EXIT', Reason} ->
config_err("~p (message: ~p)", [Reason, Message]),
{discarded, Reason};
@@ -668,12 +700,14 @@ generate_response_msg(Vsn, RePdu, Type,
SecName, SecLevel,
ContextEngineID,
ContextName,
- SecData}, Log, N+1)
+ SecData},
+ LocalEngineID, Log, N+1)
end
end
end.
-generate_v3_report_msg(MsgID, MsgSecurityModel, Data, ErrorInfo, Log) ->
+generate_v3_report_msg(MsgID, MsgSecurityModel, Data, LocalEngineID,
+ ErrorInfo, Log) ->
{Varbind, SecName, Opts} = ErrorInfo,
ReqId =
if
@@ -689,7 +723,7 @@ generate_v3_report_msg(MsgID, MsgSecurityModel, Data, ErrorInfo, Log) ->
error_index = 0,
varbinds = [Varbind]},
SecLevel = snmp_misc:get_option(securityLevel, Opts, 0),
- SnmpEngineID = snmp_framework_mib:get_engine_id(),
+ SnmpEngineID = LocalEngineID,
ContextEngineID =
snmp_misc:get_option(contextEngineID, Opts, SnmpEngineID),
ContextName = snmp_misc:get_option(contextName, Opts, ""),
@@ -697,7 +731,8 @@ generate_v3_report_msg(MsgID, MsgSecurityModel, Data, ErrorInfo, Log) ->
generate_response_msg('version-3', Pdu, report,
{v3, MsgID, MsgSecurityModel, SecName, SecLevel,
- ContextEngineID, ContextName, SecData}, Log).
+ ContextEngineID, ContextName, SecData},
+ LocalEngineID, Log).
%% req_id(#scopedPdu{data = #pdu{request_id = ReqId}}) ->
%% ?vtrace("Report ReqId: ~p",[ReqId]),
@@ -719,7 +754,8 @@ generate_discovery1_report_msg(MsgID, MsgSecurityModel,
SecName, SecLevel,
ContextEngineID, ContextName,
{SecData, Oid, Value},
- #pdu{request_id = ReqId}, Log) ->
+ #pdu{request_id = ReqId},
+ LocalEngineID, Log) ->
?vtrace("generate_discovery1_report_msg -> entry with"
"~n ReqId: ~p"
"~n Value: ~p", [ReqId, Value]),
@@ -734,7 +770,8 @@ generate_discovery1_report_msg(MsgID, MsgSecurityModel,
varbinds = [Varbind]},
case generate_response_msg('version-3', PduOut, report,
{v3, MsgID, MsgSecurityModel, SecName, SecLevel,
- ContextEngineID, ContextName, SecData}, Log) of
+ ContextEngineID, ContextName, SecData},
+ LocalEngineID, Log) of
{ok, Packet} ->
{discovery, Packet};
Error ->
@@ -745,7 +782,8 @@ generate_discovery1_report_msg(MsgID, MsgSecurityModel,
generate_discovery2_report_msg(MsgID, MsgSecurityModel,
SecName, SecLevel,
ContextEngineID, ContextName,
- SecData, #pdu{request_id = ReqId}, Log) ->
+ SecData, #pdu{request_id = ReqId},
+ LocalEngineID, Log) ->
?vtrace("generate_discovery2_report_msg -> entry with"
"~n ReqId: ~p", [ReqId]),
SecModule = get_security_module(MsgSecurityModel),
@@ -757,7 +795,8 @@ generate_discovery2_report_msg(MsgID, MsgSecurityModel,
varbinds = [Vb]},
case generate_response_msg('version-3', PduOut, report,
{v3, MsgID, MsgSecurityModel, SecName, SecLevel,
- ContextEngineID, ContextName, SecData}, Log) of
+ ContextEngineID, ContextName, SecData},
+ LocalEngineID, Log) of
{ok, Packet} ->
{discovery, Packet};
Error ->
@@ -816,7 +855,11 @@ set_vb_null([]) ->
%% Executed when a message that isn't a response is generated, i.e.
%% a trap or an inform.
%%-----------------------------------------------------------------
-generate_msg(Vsn, _NoteStore, Pdu, {community, Community}, To) ->
+generate_msg(Vsn, NoteStore, Pdu, ACMData, To) ->
+ LocalEngineID = ?DEFAULT_LOCAL_ENGINE_ID,
+ generate_msg(Vsn, NoteStore, Pdu, ACMData, LocalEngineID, To).
+
+generate_msg(Vsn, _NoteStore, Pdu, {community, Community}, LocalEngineID, To) ->
Message = #message{version = Vsn, vsn_hdr = Community, data = Pdu},
case catch list_to_binary(snmp_pdus:enc_message(Message)) of
{'EXIT', Reason} ->
@@ -825,7 +868,7 @@ generate_msg(Vsn, _NoteStore, Pdu, {community, Community}, To) ->
[Pdu, Community, Reason]),
{discarded, Reason};
Packet ->
- AgentMax = snmp_framework_mib:get_engine_max_message_size(),
+ AgentMax = get_engine_max_message_size(LocalEngineID),
case size(Packet) of
Len when Len =< AgentMax ->
{ok, mk_v1_v2_packet_list(To, Packet, Len, Pdu)};
@@ -838,9 +881,9 @@ generate_msg(Vsn, _NoteStore, Pdu, {community, Community}, To) ->
end
end;
generate_msg('version-3', NoteStore, Pdu,
- {v3, ContextEngineID, ContextName}, To) ->
- %% rfc2272: 7.1.6
- ScopedPDU = #scopedPdu{contextEngineID = ContextEngineID,
+ {v3, ContextEngineID, ContextName}, LocalEngineID, To) ->
+ %% rfc2272: 7.1 step 6
+ ScopedPDU = #scopedPdu{contextEngineID = LocalEngineID,
contextName = ContextName,
data = Pdu},
case (catch snmp_pdus:enc_scoped_pdu(ScopedPDU)) of
@@ -851,7 +894,8 @@ generate_msg('version-3', NoteStore, Pdu,
{discarded, Reason};
ScopedPDUBytes ->
{ok, mk_v3_packet_list(NoteStore, To, ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName)}
+ ContextEngineID, ContextName,
+ LocalEngineID)}
end.
@@ -1094,17 +1138,21 @@ mk_msg_flags(PduType, SecLevel) ->
mk_v3_packet_entry(NoteStore, Domain, Addr,
{SecModel, SecName, SecLevel, TargetAddrName},
- ScopedPDUBytes, Pdu, ContextEngineID, ContextName) ->
- %% 7.1.7
- ?vtrace("mk_v3_packet_entry -> entry - 7.1.7", []),
- MsgID = generate_msg_id(),
- PduType = Pdu#pdu.type,
- MsgFlags = mk_msg_flags(PduType, SecLevel),
+ ScopedPDUBytes, Pdu, _ContextEngineID, ContextName,
+ LocalEngineID) ->
+ %% rfc2272 7.1 step 77
+ ?vtrace("mk_v3_packet_entry -> entry - RFC2272-7.1:7", []),
+ MsgVersion = 'version-3', % 7.1:7a
+ MsgID = generate_msg_id(), % 7.1:7b
+ MaxMsgSz = get_max_message_size(), % 7.1:7c
+ PduType = Pdu#pdu.type,
+ MsgFlags = mk_msg_flags(PduType, SecLevel), % 7.1:7d
+ MsgSecModel = SecModel, % 7.1:7e
V3Hdr = #v3_hdr{msgID = MsgID,
- msgMaxSize = get_max_message_size(),
+ msgMaxSize = MaxMsgSz,
msgFlags = MsgFlags,
- msgSecurityModel = SecModel},
- Message = #message{version = 'version-3',
+ msgSecurityModel = MsgSecModel},
+ Message = #message{version = MsgVersion,
vsn_hdr = V3Hdr,
data = ScopedPDUBytes},
SecModule =
@@ -1113,12 +1161,21 @@ mk_v3_packet_entry(NoteStore, Domain, Addr,
snmpa_usm
end,
+ %%
+ %% 7.1:8 - If the PDU is from the Response Class or the Internal Class
+ %% securityEngineID = snmpEngineID (local/source)
+ %% 7.1:9 - If the PDU is from the Unconfirmed Class
+ %% securityEngineID = snmpEngineID (local/source)
+ %% else
+ %% securityEngineID = targetEngineID (remote/destination)
+ %%
+
%% 7.1.9a
?vtrace("mk_v3_packet_entry -> sec engine id - 7.1.9a", []),
SecEngineID =
case PduType of
'snmpv2-trap' ->
- snmp_framework_mib:get_engine_id();
+ LocalEngineID;
_ ->
%% This is the implementation dependent target engine id
%% procedure.
@@ -1141,8 +1198,9 @@ mk_v3_packet_entry(NoteStore, Domain, Addr,
?vdebug("mk_v3_packet_entry -> secEngineID: ~p", [SecEngineID]),
%% 7.1.9b
- case catch SecModule:generate_outgoing_msg(Message, SecEngineID,
- SecName, [], SecLevel) of
+ case (catch SecModule:generate_outgoing_msg(Message, SecEngineID,
+ SecName, [], SecLevel,
+ LocalEngineID)) of
{'EXIT', Reason} ->
config_err("~p (message: ~p)", [Reason, Message]),
skip;
@@ -1169,7 +1227,7 @@ mk_v3_packet_entry(NoteStore, Domain, Addr,
sec_model = SecModel,
sec_name = SecName,
sec_level = SecLevel,
- ctx_engine_id = ContextEngineID,
+ ctx_engine_id = LocalEngineID,
ctx_name = ContextName,
disco = false,
req_id = Pdu#pdu.request_id},
@@ -1180,15 +1238,16 @@ mk_v3_packet_entry(NoteStore, Domain, Addr,
mk_v3_packet_list(NoteStore, To,
- ScopedPDUBytes, Pdu, ContextEngineID, ContextName) ->
+ ScopedPDUBytes, Pdu, ContextEngineID, ContextName,
+ LocalEngineID) ->
mk_v3_packet_list(NoteStore, To,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName, []).
+ ContextEngineID, ContextName, LocalEngineID, []).
mk_v3_packet_list(_, [],
_ScopedPDUBytes, _Pdu,
_ContextEngineID, _ContextName,
- Acc) ->
+ _LocalEngineID, Acc) ->
lists:reverse(Acc);
%% This clause is for backward compatibillity reasons
@@ -1196,20 +1255,21 @@ mk_v3_packet_list(_, [],
mk_v3_packet_list(NoteStore,
[{{?snmpUDPDomain, [A,B,C,D,U1,U2]}, SecData} | T],
ScopedPDUBytes, Pdu, ContextEngineID, ContextName,
- Acc) ->
+ LocalEngineID, Acc) ->
case mk_v3_packet_entry(NoteStore,
snmpUDPDomain, {{A,B,C,D}, U1 bsl 8 + U2}, SecData,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName) of
+ ContextEngineID, ContextName, LocalEngineID) of
skip ->
mk_v3_packet_list(NoteStore, T,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName,
+ ContextEngineID, ContextName, LocalEngineID,
Acc);
{ok, Entry} ->
mk_v3_packet_list(NoteStore, T,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName, [Entry | Acc])
+ ContextEngineID, ContextName, LocalEngineID,
+ [Entry | Acc])
end;
%% This is the new clause
@@ -1218,11 +1278,11 @@ mk_v3_packet_list(NoteStore,
mk_v3_packet_list(NoteStore,
[{{Domain, Addr}, SecData} | T],
ScopedPDUBytes, Pdu, ContextEngineID, ContextName,
- Acc) ->
+ LocalEngineID, Acc) ->
case mk_v3_packet_entry(NoteStore,
Domain, Addr, SecData,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName) of
+ ContextEngineID, ContextName, LocalEngineID) of
skip ->
mk_v3_packet_list(NoteStore, T,
ScopedPDUBytes, Pdu,
@@ -1230,7 +1290,8 @@ mk_v3_packet_list(NoteStore,
{ok, Entry} ->
mk_v3_packet_list(NoteStore, T,
ScopedPDUBytes, Pdu,
- ContextEngineID, ContextName, [Entry | Acc])
+ ContextEngineID, ContextName,
+ LocalEngineID, [Entry | Acc])
end.
@@ -1253,6 +1314,9 @@ gen(Id) ->
get_target_engine_id(TargetAddrName) ->
snmp_target_mib:get_target_engine_id(TargetAddrName).
+get_engine_max_message_size(_LocalEngineID) ->
+ snmp_framework_mib:get_engine_max_message_size().
+
sec_module(?SEC_USM) ->
snmpa_usm.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 22:05:36 +0000