diff options
Diffstat (limited to 'lib/snmp/src/agent/snmpa_trap.erl')
-rw-r--r-- | lib/snmp/src/agent/snmpa_trap.erl | 95 |
1 files changed, 62 insertions, 33 deletions
diff --git a/lib/snmp/src/agent/snmpa_trap.erl b/lib/snmp/src/agent/snmpa_trap.erl index b1096b1135..450cb2e9f4 100644 --- a/lib/snmp/src/agent/snmpa_trap.erl +++ b/lib/snmp/src/agent/snmpa_trap.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1996-2010. 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_trap). @@ -23,14 +23,18 @@ %%%----------------------------------------------------------------- %% External exports -export([construct_trap/2, - try_initialise_vars/2, send_trap/6]). + try_initialise_vars/2, + send_trap/6, send_trap/7]). -export([send_discovery/5]). %% Internal exports --export([init_v2_inform/9, init_v3_inform/9, send_inform/6]). +-export([init_v2_inform/9, + init_v3_inform/9, init_v3_inform/10, + send_inform/6]). -export([init_discovery_inform/12, send_discovery_inform/5]). -include("snmp_types.hrl"). +-include("snmpa_internal.hrl"). -include("SNMPv2-MIB.hrl"). -include("SNMPv2-TM.hrl"). -include("SNMPv2-TC.hrl"). @@ -331,13 +335,20 @@ make_varbind_list(Varbinds) -> %% SnmpTargetAddrTable (using the Tag). %%----------------------------------------------------------------- send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, NetIf) -> - (catch do_send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, NetIf)). + LocalEngineID = ?DEFAULT_LOCAL_ENGINE_ID, + send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, + LocalEngineID, NetIf). + +send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, LocalEngineID, NetIf) -> + (catch do_send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, + LocalEngineID, NetIf)). -do_send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, NetIf) -> +do_send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, + LocalEngineID, NetIf) -> VarbindList = make_varbind_list(Vbs), Dests = find_dests(NotifyName), send_trap_pdus(Dests, ContextName, {TrapRec, VarbindList}, [], [], [], - Recv, NetIf). + Recv, LocalEngineID, NetIf). send_discovery(TargetName, Record, ContextName, Vbs, NetIf) -> case find_dest(TargetName) of @@ -619,7 +630,9 @@ send_discovery_inform(Parent, Timeout, Retry, Msg, NetIf) -> %%----------------------------------------------------------------- send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, Type} | T], - ContextName,{TrapRec, Vbs}, V1Res, V2Res, V3Res, Recv, NetIf) -> + ContextName, + {TrapRec, Vbs}, V1Res, V2Res, V3Res, Recv, + LocalEngineID, NetIf) -> ?vdebug("send trap pdus: " "~n Destination address: ~p" "~n Target name: ~p" @@ -634,7 +647,7 @@ send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, case check_all_varbinds(TrapRec, Vbs, MibView) of true when MpModel =:= ?MP_V1 -> ?vtrace("send_trap_pdus -> v1 mp model",[]), - ContextEngineId = snmp_framework_mib:get_engine_id(), + ContextEngineId = LocalEngineID, case snmp_community_mib:vacm2community({SecName, ContextEngineId, ContextName}, @@ -644,16 +657,18 @@ send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, [element(2, DestAddr)]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, [{DestAddr, Community} | V1Res], - V2Res, V3Res, Recv, NetIf); + V2Res, V3Res, Recv, + LocalEngineID, NetIf); undefined -> ?vdebug("No community found for v1 dest: ~p", [element(2, DestAddr)]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, - V1Res, V2Res, V3Res, Recv, NetIf) + V1Res, V2Res, V3Res, Recv, + LocalEngineID, NetIf) end; true when MpModel =:= ?MP_V2C -> ?vtrace("send_trap_pdus -> v2c mp model",[]), - ContextEngineId = snmp_framework_mib:get_engine_id(), + ContextEngineId = LocalEngineID, case snmp_community_mib:vacm2community({SecName, ContextEngineId, ContextName}, @@ -664,12 +679,13 @@ send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, send_trap_pdus(T, ContextName, {TrapRec, Vbs}, V1Res, [{DestAddr, Community, Type}|V2Res], - V3Res, Recv, NetIf); + V3Res, Recv, LocalEngineID, NetIf); undefined -> ?vdebug("No community found for v2c dest: ~p", [element(2, DestAddr)]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, - V1Res, V2Res, V3Res, Recv, NetIf) + V1Res, V2Res, V3Res, Recv, + LocalEngineID, NetIf) end; true when MpModel =:= ?MP_V3 -> ?vtrace("send_trap_pdus -> v3 mp model",[]), @@ -678,18 +694,20 @@ send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, send_trap_pdus(T, ContextName, {TrapRec, Vbs}, V1Res, V2Res, [{DestAddr, MsgData, Type} | V3Res], - Recv, NetIf); + Recv, LocalEngineID, NetIf); true -> ?vlog("bad MpModel ~p for dest ~p", [MpModel, element(2, DestAddr)]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, - V1Res, V2Res, V3Res, Recv, NetIf); + V1Res, V2Res, V3Res, Recv, + LocalEngineID, NetIf); _ -> ?vlog("no access for dest: " "~n ~p in target ~p", [element(2, DestAddr), TargetName]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, - V1Res, V2Res, V3Res, Recv, NetIf) + V1Res, V2Res, V3Res, Recv, + LocalEngineID, NetIf) end; {discarded, Reason} -> ?vlog("mib view error ~p for" @@ -697,10 +715,10 @@ send_trap_pdus([{DestAddr, TargetName, {MpModel, SecModel, SecName, SecLevel}, "~n SecName: ~w", [Reason, element(2, DestAddr), SecName]), send_trap_pdus(T, ContextName, {TrapRec, Vbs}, - V1Res, V2Res, V3Res, Recv, NetIf) + V1Res, V2Res, V3Res, Recv, LocalEngineID, NetIf) end; send_trap_pdus([], ContextName, {TrapRec, Vbs}, V1Res, V2Res, V3Res, - Recv, NetIf) -> + Recv, LocalEngineID, NetIf) -> SysUpTime = snmp_standard_mib:sys_up_time(), ?vdebug("send trap pdus with sysUpTime ~p", [SysUpTime]), InformRecvs = get_inform_recvs(V2Res ++ V3Res), @@ -708,7 +726,8 @@ send_trap_pdus([], ContextName, {TrapRec, Vbs}, V1Res, V2Res, V3Res, deliver_recv(Recv, snmp_targets, InformTargets), send_v1_trap(TrapRec, V1Res, Vbs, NetIf, SysUpTime), send_v2_trap(TrapRec, V2Res, Vbs, Recv, NetIf, SysUpTime), - send_v3_trap(TrapRec, V3Res, Vbs, Recv, NetIf, SysUpTime, ContextName). + send_v3_trap(TrapRec, V3Res, Vbs, Recv, LocalEngineID, NetIf, + SysUpTime, ContextName). send_v1_trap(_TrapRec, [], _Vbs, _NetIf, _SysUpTime) -> ok; @@ -762,21 +781,25 @@ send_v2_trap(TrapRec, V2Res, Vbs, Recv, NetIf, SysUpTime) -> do_send_v2_trap(TrapRecvs, IVbs, NetIf), do_send_v2_inform(InformRecvs, IVbs, Recv, NetIf). -send_v3_trap(_TrapRec, [], _Vbs, _Recv, _NetIf, _SysUpTime, _ContextName) -> +send_v3_trap(_TrapRec, [], _Vbs, _Recv, _LocalEngineID, + _NetIf, _SysUpTime, _ContextName) -> ok; -send_v3_trap(TrapRec, V3Res, Vbs, Recv, NetIf, SysUpTime, ContextName) -> +send_v3_trap(TrapRec, V3Res, Vbs, Recv, LocalEngineID, + NetIf, SysUpTime, ContextName) -> ?vdebug("prepare to send v3 trap",[]), {_Oid, IVbs} = mk_v2_trap(TrapRec, Vbs, SysUpTime), % v2 refers to SMIv2; - TrapRecvs = get_trap_recvs(V3Res), % same SMI for v3 + TrapRecvs = get_trap_recvs(V3Res), % same SMI for v3 InformRecvs = get_inform_recvs(V3Res), do_send_v3_trap(TrapRecvs, ContextName, IVbs, NetIf), - do_send_v3_inform(InformRecvs, ContextName, IVbs, Recv, NetIf). + do_send_v3_inform(InformRecvs, ContextName, IVbs, Recv, + LocalEngineID, NetIf). mk_v2_trap(#notification{oid = Oid}, Vbs, SysUpTime) -> ?vtrace("make v2 notification '~p'",[Oid]), mk_v2_notif(Oid, Vbs, SysUpTime); -mk_v2_trap(#trap{enterpriseoid = Enter, specificcode = Spec}, Vbs, SysUpTime) -> +mk_v2_trap(#trap{enterpriseoid = Enter, specificcode = Spec}, + Vbs, SysUpTime) -> %% Use alg. in rfc1908 to map a v1 trap to a v2 trap ?vtrace("make v2 trap for '~p' with ~p",[Enter,Spec]), {Oid,Enterp} = @@ -845,16 +868,16 @@ do_send_v3_trap(Recvs, ContextName, Vbs, NetIf) -> end, Recvs), ok. -do_send_v3_inform([], _ContextName, _Vbs, _Recv, _NetIf) -> +do_send_v3_inform([], _ContextName, _Vbs, _Recv, _LocalEngineID, _NetIf) -> ok; -do_send_v3_inform(Recvs, ContextName, Vbs, Recv, NetIf) -> +do_send_v3_inform(Recvs, ContextName, Vbs, Recv, LocalEngineID, NetIf) -> lists:foreach( fun({Addr, MsgData, Timeout, Retry}) -> ?vtrace("~n start inform sender to send v3 inform to ~p", [Addr]), proc_lib:spawn_link(?MODULE, init_v3_inform, [{Addr, MsgData}, Timeout, Retry, Vbs, - Recv, NetIf, ContextName, + Recv, LocalEngineID, NetIf, ContextName, get(verbosity), get(sname)]) end, Recvs). @@ -874,7 +897,13 @@ init_v2_inform(Addr, Timeout, Retry, Vbs, Recv, NetIf, Community,V,S) -> %% New process -init_v3_inform(Addr, Timeout, Retry, Vbs, Recv, NetIf, ContextName,V,S) -> +init_v3_inform(Addr, Timeout, Retry, Vbs, Recv, NetIf, ContextName, V, S) -> + LocalEngineID = ?DEFAULT_LOCAL_ENGINE_ID, + init_v3_inform(Addr, Timeout, Retry, Vbs, Recv, LocalEngineID, + NetIf, ContextName, V, S). + +init_v3_inform(Addr, Timeout, Retry, Vbs, Recv, LocalEngineID, + NetIf, ContextName, V, S) -> %% Make a new Inform for each recipient; they need unique %% request-ids! put(verbosity,V), @@ -882,7 +911,7 @@ init_v3_inform(Addr, Timeout, Retry, Vbs, Recv, NetIf, ContextName,V,S) -> ?vdebug("~n starting with timeout = ~p and retry = ~p", [Timeout,Retry]), InformPdu = make_v2_notif_pdu(Vbs, 'inform-request'), % Yes, v2 - ContextEngineId = snmp_framework_mib:get_engine_id(), + ContextEngineId = LocalEngineID, Msg = {send_pdu_req, 'version-3', InformPdu, {v3, ContextEngineId, ContextName}, [Addr], self()}, ?MODULE:send_inform(Addr, Timeout*10, Retry, Msg, Recv, NetIf). |