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-rw-r--r--lib/snmp/src/agent/snmpa_mpd.erl18
-rw-r--r--lib/snmp/src/agent/snmpa_net_if.erl48
-rw-r--r--lib/snmp/src/agent/snmpa_trap.erl87
-rw-r--r--lib/snmp/src/misc/snmp_conf.erl13
-rw-r--r--lib/snmp/src/misc/snmp_pdus.erl13
5 files changed, 126 insertions, 53 deletions
diff --git a/lib/snmp/src/agent/snmpa_mpd.erl b/lib/snmp/src/agent/snmpa_mpd.erl
index dbd57b732c..642b1f7fc5 100644
--- a/lib/snmp/src/agent/snmpa_mpd.erl
+++ b/lib/snmp/src/agent/snmpa_mpd.erl
@@ -1103,8 +1103,22 @@ transform_taddr(?transportDomainUdpIpv4, [A, B, C, D, P1, P2]) ->
{ok, {Domain, Address}};
transform_taddr(?transportDomainUdpIpv4, BadAddr) ->
{error, {bad_transportDomainUdpIpv4_address, BadAddr}};
-transform_taddr(?transportDomainUdpIpv6,
- [A1, A2, A3, A4, A5, A6, A7, A8, P1, P2]) ->
+transform_taddr(
+ ?transportDomainUdpIpv6,
+ [A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16,
+ P1, P2]) ->
+ Domain = transportDomainUdpIpv6,
+ Addr =
+ {(A1 bsl 8) bor A2, (A3 bsl 8) bor A4,
+ (A5 bsl 8) bor A6, (A7 bsl 8) bor A8,
+ (A9 bsl 8) bor A10, (A11 bsl 8) bor A12,
+ (A13 bsl 8) bor A14, (A15 bsl 8) bor A16},
+ Port = P1 bsl 8 + P2,
+ Address = {Addr, Port},
+ {ok, {Domain, Address}};
+transform_taddr(
+ ?transportDomainUdpIpv6,
+ [A1, A2, A3, A4, A5, A6, A7, A8, P1, P2]) ->
Domain = transportDomainUdpIpv6,
Addr = {A1, A2, A3, A4, A5, A6, A7, A8},
Port = P1 bsl 8 + P2,
diff --git a/lib/snmp/src/agent/snmpa_net_if.erl b/lib/snmp/src/agent/snmpa_net_if.erl
index 42e93bff65..2c800db8b6 100644
--- a/lib/snmp/src/agent/snmpa_net_if.erl
+++ b/lib/snmp/src/agent/snmpa_net_if.erl
@@ -327,13 +327,7 @@ loop(#state{domain = Domain} = S) ->
receive
{udp, _UdpId, Ip, Port, Packet} ->
?vlog("got paket from ~w:~w",[Ip,Port]),
- From =
- case Domain of
- snmpUDPDomain ->
- {Ip, Port};
- _ ->
- {Domain, {Ip, Port}}
- end,
+ From = fix_filter_address(Domain, {Domain, {Ip, Port}}),
NewS = maybe_handle_recv(S, From, Packet),
loop(NewS);
@@ -604,7 +598,7 @@ handle_discovery_response(_From, #pdu{request_id = ReqId} = Pdu,
%% Ouch, timeout? resend?
S
end.
-
+
handle_recv(
#state{usock = Sock,
mpd_state = MpdState,
@@ -655,7 +649,7 @@ handle_recv(
active_once(Sock),
S
end.
-
+
maybe_handle_recv_pdu(
From, Vsn,
#pdu{type = Type} = Pdu, PduMS, ACMData,
@@ -713,12 +707,13 @@ handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData,
maybe_handle_reply_pdu(
- #state{filter = FilterMod} = S, Vsn,
+ #state{filter = FilterMod, domain = Domain} = S, Vsn,
#pdu{request_id = Rid} = Pdu,
Type, ACMData, To) ->
S1 = update_req_counter_outgoing(S, Rid),
- Addresses = [To],
+ %% Addresses = [To],
+ Addresses = [fix_filter_address(Domain, To)],
case
try
FilterMod:accept_send_pdu(Addresses, Type)
@@ -965,9 +960,10 @@ handle_response(Vsn, Pdu, From, S) ->
end.
maybe_udp_send(
- #state{usock = Sock, filter = FilterMod},
+ #state{usock = Sock, filter = FilterMod, domain = Domain},
To, Packet) ->
- {To_1, To_2} = To,
+ %% {To_1, To_2} = To,
+ {To_1, To_2} = fix_filter_address(Domain, To),
case
try FilterMod:accept_send(To_1, To_2)
catch
@@ -995,11 +991,14 @@ maybe_udp_send(
end.
maybe_udp_send(
- #state{log = Log,
- usock = Sock,
- filter = FilterMod},
+ #state{
+ log = Log,
+ usock = Sock,
+ filter = FilterMod,
+ domain = Domain},
To, Packet, Type, _LogData) ->
- {To_1, To_2} = To,
+ %% {To_1, To_2} = To,
+ {To_1, To_2} = fix_filter_address(Domain, To),
case
try FilterMod:accept_send(To_1, To_2)
catch
@@ -1098,6 +1097,21 @@ active_once(Sock) ->
inet:setopts(Sock, [{active, once}]).
+%% If the agent uses legacy snmpUDPDomain e.g has not set
+%% intAgentTransportDomain, then make sure
+%% snmpa_network_interface_filter gets legacy arguments
+%% to not break backwards compatibility.
+%%
+fix_filter_address(snmpUDPDomain, {Domain, Addr})
+ when Domain =:= snmpUDPDomain;
+ Domain =:= transportDomainUdpIpv4 ->
+ Addr;
+fix_filter_address(snmpUDPDomain, {_, Port} = Addr)
+ when is_integer(Port) ->
+ Addr;
+fix_filter_address(_AgentDomain, Address) ->
+ Address.
+
%%%-----------------------------------------------------------------
handle_set_log_type(#state{log = {Log, OldValue}} = State, NewType)
diff --git a/lib/snmp/src/agent/snmpa_trap.erl b/lib/snmp/src/agent/snmpa_trap.erl
index a2d821c099..ac0739860b 100644
--- a/lib/snmp/src/agent/snmpa_trap.erl
+++ b/lib/snmp/src/agent/snmpa_trap.erl
@@ -270,12 +270,13 @@ localise_type({VariableOid, Value}, Mib) when is_list(VariableOid) ->
localise_type(X, _) -> X.
%%-----------------------------------------------------------------
-%% Func: make_v1_trap_pdu/4
+%% Func: make_v1_trap_pdu/5
%% Args: Enterprise = oid()
%% Specific = integer()
%% Varbinds is as returned from initiate_vars
%% (but only {Oid, Type[, Value} permitted)
%% SysUpTime = integer()
+%% AgentIp = {A, B, C, D}
%% Purpose: Make a #trappdu
%% Checks the Varbinds to see that no symbolic names are
%% present, and that each var has a type. Performs a get
@@ -284,7 +285,7 @@ localise_type(X, _) -> X.
%% Fails: yes
%% NOTE: Executed at the MA
%%-----------------------------------------------------------------
-make_v1_trap_pdu(Enterprise, Specific, VarbindList, SysUpTime) ->
+make_v1_trap_pdu(Enterprise, Specific, VarbindList, SysUpTime, AgentIp) ->
{Enterp,Generic,Spec} =
case Enterprise of
?snmp ->
@@ -292,7 +293,6 @@ make_v1_trap_pdu(Enterprise, Specific, VarbindList, SysUpTime) ->
_ ->
{Enterprise,?enterpriseSpecific,Specific}
end,
- {value, AgentIp} = snmp_framework_mib:intAgentIpAddress(get),
#trappdu{enterprise = Enterp,
agent_addr = AgentIp,
generic_trap = Generic,
@@ -369,6 +369,7 @@ send_trap(TrapRec, NotifyName, ContextName, Recv, Vbs, LocalEngineID,
{tag, T},
{err, E},
{stacktrace, erlang:get_stacktrace()}],
+ ?vlog("snmpa_trap:send_trap exception: ~p", [Info]),
{error, {failed_sending_trap, Info}}
end.
@@ -797,13 +798,32 @@ send_v1_trap(#trap{enterpriseoid = Enter, specificcode = Spec},
"~n ~p"
"~n to"
"~n ~p", [Enter, Spec, V1Res]),
- TrapPdu = make_v1_trap_pdu(Enter, Spec, Vbs, SysUpTime),
- AddrCommunities = mk_addr_communities(V1Res),
- lists:foreach(fun({Community, Addrs}) ->
- ?vtrace("send v1 trap pdu to ~p",[Addrs]),
- NetIf ! {send_pdu, 'version-1', TrapPdu,
- {community, Community}, Addrs, ExtraInfo}
- end, AddrCommunities);
+ AgentDomain =
+ case snmp_framework_mib:intAgentTransportDomain(get) of
+ {value, AD} ->
+ AD;
+ genErr ->
+ snmp_target_mib:default_domain()
+ end,
+ case AgentDomain of
+ snmpUDPDomain ->
+ {value, AgentIp} = snmp_framework_mib:intAgentIpAddress(get),
+ TrapPdu = make_v1_trap_pdu(Enter, Spec, Vbs, SysUpTime, AgentIp),
+ AddrCommunities = mk_addr_communities(V1Res),
+ lists:foreach(
+ fun ({Community, Addrs}) ->
+ ?vtrace("send v1 trap pdu to ~p",[Addrs]),
+ NetIf ! {send_pdu, 'version-1', TrapPdu,
+ {community, Community}, Addrs, ExtraInfo}
+ end, AddrCommunities);
+ _ ->
+ ?vtrace(
+ "snmpa_trap: can not send v1 trap with domain: ~w",
+ [AgentDomain]),
+ user_err(
+ "snmpa_trap: can not send v1 trap with domain: ~w",
+ [AgentDomain])
+ end;
send_v1_trap(#notification{oid = Oid}, V1Res, Vbs, ExtraInfo, NetIf,
SysUpTime) ->
%% Use alg. in rfc2089 to map a v2 trap to a v1 trap
@@ -822,14 +842,33 @@ send_v1_trap(#notification{oid = Oid}, V1Res, Vbs, ExtraInfo, NetIf,
{lists:reverse(First),Last}
end
end,
- TrapPdu = make_v1_trap_pdu(Enter, Spec, NVbs, SysUpTime),
- AddrCommunities = mk_addr_communities(V1Res),
- lists:foreach(fun({Community, Addrs}) ->
- ?vtrace("send v1 trap to ~p",[Addrs]),
- NetIf ! {send_pdu, 'version-1', TrapPdu,
- {community, Community}, Addrs, ExtraInfo}
- end, AddrCommunities).
-
+ AgentDomain =
+ case snmp_framework_mib:intAgentTransportDomain(get) of
+ {value, AD} ->
+ AD;
+ genErr ->
+ snmp_target_mib:default_domain()
+ end,
+ case AgentDomain of
+ snmpUDPDomain ->
+ {value, AgentIp} = snmp_framework_mib:intAgentIpAddress(get),
+ TrapPdu = make_v1_trap_pdu(Enter, Spec, NVbs, SysUpTime, AgentIp),
+ AddrCommunities = mk_addr_communities(V1Res),
+ lists:foreach(
+ fun ({Community, Addrs}) ->
+ ?vtrace("send v1 trap to ~p",[Addrs]),
+ NetIf ! {send_pdu, 'version-1', TrapPdu,
+ {community, Community}, Addrs, ExtraInfo}
+ end, AddrCommunities);
+ _ ->
+ ?vtrace(
+ "snmpa_trap: can not send v1 trap with domain: ~w",
+ [AgentDomain]),
+ user_err(
+ "snmpa_trap: can not send v1 trap with domain: ~w",
+ [AgentDomain])
+ end.
+
send_v2_trap(_TrapRec, [], _Vbs, _Recv, _ExtraInfo, _NetIf, _SysUpTime) ->
ok;
send_v2_trap(TrapRec, V2Res, Vbs, Recv, ExtraInfo, NetIf, SysUpTime) ->
@@ -1116,9 +1155,19 @@ transform_taddr(
[A1, A2, A3, A4, A5, A6, A7, A8, P1, P2]) ->
Ip = {A1, A2, A3, A4, A5, A6, A7, A8},
Port = P1 bsl 8 + P2,
+ {Domain, {Ip, Port}};
+transform_taddr(
+ transportDomainUdpIpv6 = Domain,
+ [A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16,
+ P1, P2]) ->
+ Ip =
+ {(A1 bsl 8) bor A2, (A3 bsl 8) bor A4,
+ (A5 bsl 8) bor A6, (A7 bsl 8) bor A8,
+ (A9 bsl 8) bor A10, (A11 bsl 8) bor A12,
+ (A13 bsl 8) bor A14, (A15 bsl 8) bor A16},
+ Port = P1 bsl 8 + P2,
{Domain, {Ip, Port}}.
-
%% transform_taddr({?snmpUDPDomain, [A1, A2, A3, A4, P1, P2]}) -> % v2
%% Addr = {A1, A2, A3, A4},
%% Port = P1 bsl 8 + P2,
diff --git a/lib/snmp/src/misc/snmp_conf.erl b/lib/snmp/src/misc/snmp_conf.erl
index 594cfce705..2d91cb1f55 100644
--- a/lib/snmp/src/misc/snmp_conf.erl
+++ b/lib/snmp/src/misc/snmp_conf.erl
@@ -634,9 +634,16 @@ mk_taddress(transportDomainUdpIpv6 = Domain, Address) ->
case Address of
[] -> % Empty mask
[];
- {Ip, Port}
- when tuple_size(Ip) =:= 8, is_integer(Port) ->
- tuple_to_list(Ip) ++ mk_bytes(Port);
+ {{A, B, C, D, E, F, G, H}, Port} ->
+ [A bsr 8, A band 255,
+ B bsr 8, B band 255,
+ C bsr 8, C band 255,
+ D bsr 8, D band 255,
+ E bsr 8, E band 255,
+ F bsr 8, F band 255,
+ G bsr 8, G band 255,
+ H bsr 8, H band 255,
+ Port bsr 8, Port band 255];
_ ->
erlang:error(badarg, [Domain,Address])
end;
diff --git a/lib/snmp/src/misc/snmp_pdus.erl b/lib/snmp/src/misc/snmp_pdus.erl
index a780fee7a3..90fa4c0dea 100644
--- a/lib/snmp/src/misc/snmp_pdus.erl
+++ b/lib/snmp/src/misc/snmp_pdus.erl
@@ -174,7 +174,7 @@ dec_pdu_tag(168) ->
dec_pdu([164 | Bytes]) -> % It's a trap
Bytes2 = get_data_bytes(Bytes),
{Enterprise, Rest1} = dec_oid_tag(Bytes2),
- {{'IpAddress', AgentAddr}, Rest2} = dec_value(Rest1),
+ {{'IpAddress', [_, _, _, _] = AgentAddr}, Rest2} = dec_value(Rest1),
{GenericTrap, Rest3} = dec_int_tag(Rest2),
{SpecificTrap, Rest4} = dec_int_tag(Rest3),
{{'TimeTicks', TimeStamp}, VBBytes} = dec_value(Rest4),
@@ -666,17 +666,6 @@ enc_value('OBJECT IDENTIFIER', Val) ->
enc_oid_tag(Val);
enc_value('IpAddress', {A, B, C, D}) ->
enc_value('IpAddress', [A,B,C,D]);
-enc_value('IpAddress', {A, B, C, D, E, F, G, H}) ->
- enc_value(
- 'IpAddress',
- [A bsr 8, A band 255,
- B bsr 8, B band 255,
- C bsr 8, C band 255,
- D bsr 8, D band 255,
- E bsr 8, E band 255,
- F bsr 8, F band 255,
- G bsr 8, G band 255,
- H bsr 8, H band 255]);
enc_value('IpAddress', Val) when is_list(Val) ->
Bytes2 = enc_oct_str_notag(Val),
Len2 = elength(length(Bytes2)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 07:09:09 +0000