diff options
Diffstat (limited to 'lib/snmp/src/agent/snmpa_mpd.erl')
-rw-r--r-- | lib/snmp/src/agent/snmpa_mpd.erl | 104 |
1 files changed, 67 insertions, 37 deletions
diff --git a/lib/snmp/src/agent/snmpa_mpd.erl b/lib/snmp/src/agent/snmpa_mpd.erl index 14f62b12f3..4f50b1a674 100644 --- a/lib/snmp/src/agent/snmpa_mpd.erl +++ b/lib/snmp/src/agent/snmpa_mpd.erl @@ -32,6 +32,7 @@ -include("SNMP-MPD-MIB.hrl"). -include("SNMPv2-TM.hrl"). -include("SNMP-FRAMEWORK-MIB.hrl"). +-include("TRANSPORT-ADDRESS-MIB.hrl"). -define(VMODULE,"MPD"). -include("snmp_verbosity.hrl"). @@ -981,12 +982,15 @@ generate_discovery_msg2(NoteStore, Pdu, discovery_note_timeout(Timeout) -> (Timeout div 100) + 1. -generate_discovery_msg(NoteStore, {?snmpUDPDomain, [A,B,C,D,U1,U2]}, +generate_discovery_msg(NoteStore, {TDomain, TAddress}, Pdu, ScopedPduBytes, ContextEngineID, ManagerEngineID, SecModel, SecName, SecLevelFlag, InitialUserName, ContextName, Timeout) -> + + {ok, {_Domain, Address}} = transform_taddr(TDomain, TAddress), + %% 7.1.7 ?vdebug("generate_discovery_msg -> 7.1.7 (~w)", [ManagerEngineID]), MsgID = generate_msg_id(), @@ -1027,7 +1031,7 @@ generate_discovery_msg(NoteStore, {?snmpUDPDomain, [A,B,C,D,U1,U2]}, %% Log(Packet), inc_snmp_out_vars(Pdu), ?vdebug("generate_discovery_msg -> done", []), - {Packet, {{A,B,C,D}, U1 bsl 8 + U2}}; + {Packet, Address}; Error -> throw(Error) @@ -1057,6 +1061,34 @@ generate_sec_discovery_msg(Message, SecModule, end. +transform_taddr(?snmpUDPDomain, TAddress) -> + transform_taddr(?transportDomainUdpIpv4, TAddress); +transform_taddr(?transportDomainUdpIpv4, [A, B, C, D, P1, P2]) -> + Domain = transportDomainUdpIpv4, + Addr = {A,B,C,D}, + Port = P1 bsl 8 + P2, + Address = {Addr, Port}, + {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]) -> + Domain = transportDomainUdpIpv6, + Addr = {A1, A2, A3, A4, A5, A6, A7, A8}, + Port = P1 bsl 8 + P2, + Address = {Addr, Port}, + {ok, {Domain, Address}}; +transform_taddr(?transportDomainUdpIpv6, BadAddr) -> + {error, {bad_transportDomainUdpIpv6_address, BadAddr}}; +transform_taddr(BadTDomain, TAddress) -> + case lists:member(BadTDomain, snmp_conf:all_tdomains()) of + true -> + {error, {unsupported_tdomain, BadTDomain, TAddress}}; + false -> + {error, {unknown_tdomain, BadTDomain, TAddress}} + end. + + process_taddrs(Dests) -> ?vtrace("process_taddrs -> entry with" "~n Dests: ~p", [Dests]), @@ -1066,46 +1098,44 @@ process_taddrs([], Acc) -> ?vtrace("process_taddrs -> entry when done with" "~n Acc: ~p", [Acc]), lists:reverse(Acc); - + %% v3 -process_taddrs([{{?snmpUDPDomain, [A,B,C,D,U1,U2]}, SecData} | T], Acc) -> +process_taddrs([{{TDomain, TAddress}, SecData} | T], Acc) -> ?vtrace("process_taddrs -> entry when v3 with" - "~n A: ~p" - "~n B: ~p" - "~n C: ~p" - "~n D: ~p" - "~n U1: ~p" - "~n U2: ~p" - "~n SecData: ~p", [A, B, C, D, U1, U2, SecData]), - Entry = {{snmpUDPDomain, {{A,B,C,D}, U1 bsl 8 + U2}}, SecData}, - process_taddrs(T, [Entry | Acc]); -%% Bad v3 -process_taddrs([{{TDomain, TAddr}, _SecData} | T], Acc) -> - ?vtrace("process_taddrs -> entry when bad v3 with" - "~n TDomain: ~p" - "~n TAddr: ~p", [TDomain, TAddr]), - user_err("Bad TDomain/TAddr: ~w/~w", [TDomain, TAddr]), - process_taddrs(T, Acc); + "~n TDomain: ~p" + "~n TAddress: ~p" + "~n SecData: ~p", [TDomain, TAddress, SecData]), + case transform_taddr(TDomain, TAddress) of + {ok, DestAddr} -> + ?vtrace("process_taddrs -> transformed: " + "~n DestAddr: ~p", [DestAddr]), + Entry = {DestAddr, SecData}, + process_taddrs(T, [Entry | Acc]); + {error, Reason} -> + ?vinfo("Failed transforming v3 domain and address" + "~n Reason: ~p", [Reason]), + user_err("Bad TDomain/TAddress: ~w/~w", [TDomain, TAddress]), + process_taddrs(T, Acc) + end; %% v1 & v2 -process_taddrs([{?snmpUDPDomain, [A,B,C,D,U1,U2]} | T], Acc) -> +process_taddrs([{TDomain, TAddress} | T], Acc) -> ?vtrace("process_taddrs -> entry when v1/v2 with" - "~n A: ~p" - "~n B: ~p" - "~n C: ~p" - "~n D: ~p" - "~n U1: ~p" - "~n U2: ~p", [A, B, C, D, U1, U2]), - Entry = {snmpUDPDomain, {{A,B,C,D}, U1 bsl 8 + U2}}, - process_taddrs(T, [Entry | Acc]); -%% Bad v1 or v2 -process_taddrs([{TDomain, TAddr} | T], Acc) -> - ?vtrace("process_taddrs -> entry when bad v1/v2 with" - "~n TDomain: ~p" - "~n TAddr: ~p", [TDomain, TAddr]), - user_err("Bad TDomain/TAddr: ~w/~w", [TDomain, TAddr]), - process_taddrs(T, Acc); + "~n TDomain: ~p" + "~n TAddress: ~p", [TDomain, TAddress]), + case transform_taddr(TDomain, TAddress) of + {ok, DestAddr} -> + ?vtrace("process_taddrs -> transformed: " + "~n DestAddr: ~p", [DestAddr]), + Entry = DestAddr, + process_taddrs(T, [Entry | Acc]); + {error, Reason} -> + ?vinfo("Failed transforming v1/v2 domain and address: " + "~n Reason: ~p", [Reason]), + user_err("Bad TDomain/TAddress: ~w/~w", [TDomain, TAddress]), + process_taddrs(T, Acc) + end; process_taddrs(Crap, Acc) -> - throw({error, {taddrs_crap, Crap, Acc}}). + throw({error, {bad_taddrs, Crap, Acc}}). mk_v1_v2_packet_list(To, Packet, Len, Pdu) -> |