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-rw-r--r--lib/snmp/src/agent/snmp_target_mib.erl16
-rw-r--r--lib/snmp/src/agent/snmpa_agent.erl67
-rw-r--r--lib/snmp/src/agent/snmpa_mib_lib.erl20
-rw-r--r--lib/snmp/src/agent/snmpa_vacm.erl18
4 files changed, 93 insertions, 28 deletions
diff --git a/lib/snmp/src/agent/snmp_target_mib.erl b/lib/snmp/src/agent/snmp_target_mib.erl
index a3ac67b533..d5c4ec2578 100644
--- a/lib/snmp/src/agent/snmp_target_mib.erl
+++ b/lib/snmp/src/agent/snmp_target_mib.erl
@@ -42,8 +42,14 @@
%% Column not accessible via SNMP - needed when the agent sends informs
-define(snmpTargetAddrEngineId, 10).
%% Extra comlumns for the augmented table snmpTargetAddrExtTable
--define(snmpTargetAddrTMask, 11).
--define(snmpTargetAddrMMS, 12).
+-define(snmpTargetAddrTMask, 11).
+-define(snmpTargetAddrMMS, 12).
+
+-ifdef(snmp_extended_verbosity).
+-define(vt(F,A), ?vtrace(F, A)).
+-else.
+-define(vt(_F, _A), ok).
+-endif.
%%-----------------------------------------------------------------
@@ -410,10 +416,16 @@ get_target_addrs() ->
get_target_addrs(Key, {Tab, _} = TabDb, Acc) ->
+ ?vt("get_target_addrs -> entry with"
+ "~n Key: ~p", [Key]),
case table_next(Tab, Key) of
endOfTable ->
+ ?vt("get_target_addrs -> endOfTable when"
+ "~n Acc: ~p", [Acc]),
Acc;
NextKey ->
+ ?vt("get_target_addrs -> next ok: "
+ "~n NextKey: ~p", [NextKey]),
case get_target_addr(TabDb, NextKey) of
{ok, Targ} ->
get_target_addrs(NextKey, TabDb, [Targ| Acc]);
diff --git a/lib/snmp/src/agent/snmpa_agent.erl b/lib/snmp/src/agent/snmpa_agent.erl
index f70885b2ec..27e463abf8 100644
--- a/lib/snmp/src/agent/snmpa_agent.erl
+++ b/lib/snmp/src/agent/snmpa_agent.erl
@@ -2767,7 +2767,12 @@ validate_tab_res(_TooMany, [], Mfa, _Res, I) ->
%% subagent must be considered to be very rare.
%%-----------------------------------------------------------------
do_get_next(MibView, UnsortedVarbinds) ->
+ ?vt("do_get_next -> entry when"
+ "~n MibView: ~p"
+ "~n UnsortedVarbinds: ~p", [MibView, UnsortedVarbinds]),
SortedVarbinds = oid_sort_varbindlist(UnsortedVarbinds),
+ ?vt("do_get_next -> "
+ "~n SortedVarbinds: ~p", [SortedVarbinds]),
next_loop_varbinds([], SortedVarbinds, MibView, [], []).
oid_sort_varbindlist(Vbs) ->
@@ -2780,22 +2785,33 @@ next_loop_varbinds([], [Vb | Vbs], MibView, Res, LAVb) ->
"~n MibView: ~p", [Vb, MibView]),
case varbind_next(Vb, MibView) of
endOfMibView ->
+ ?vt("next_loop_varbind -> endOfMibView", []),
RVb = if LAVb =:= [] -> Vb;
true -> LAVb
end,
NewVb = RVb#varbind{variabletype = 'NULL', value = endOfMibView},
next_loop_varbinds([], Vbs, MibView, [NewVb | Res], []);
+
{variable, ME, VarOid} when ((ME#me.access =/= 'not-accessible') andalso
(ME#me.access =/= 'write-only') andalso
(ME#me.access =/= 'accessible-for-notify')) ->
+ ?vt("next_loop_varbind -> variable: "
+ "~n ME: ~p"
+ "~n VarOid: ~p", [ME, VarOid]),
case try_get_instance(Vb, ME) of
{value, noValue, _NoSuchSomething} ->
+ ?vt("next_loop_varbind -> noValue", []),
%% Try next one
- NewVb = Vb#varbind{oid = VarOid, value = 'NULL'},
+ NewVb = Vb#varbind{oid = VarOid,
+ value = 'NULL'},
next_loop_varbinds([], [NewVb | Vbs], MibView, Res, []);
{value, Type, Value} ->
- NewVb = Vb#varbind{oid = VarOid, variabletype = Type,
- value = Value},
+ ?vt("next_loop_varbind -> value"
+ "~n Type: ~p"
+ "~n Value: ~p", [Type, Value]),
+ NewVb = Vb#varbind{oid = VarOid,
+ variabletype = Type,
+ value = Value},
next_loop_varbinds([], Vbs, MibView, [NewVb | Res], []);
{error, ErrorStatus} ->
?vdebug("next loop varbinds:"
@@ -2803,16 +2819,25 @@ next_loop_varbinds([], [Vb | Vbs], MibView, Res, LAVb) ->
{ErrorStatus, Vb#varbind.org_index, []}
end;
{variable, _ME, VarOid} ->
+ ?vt("next_loop_varbind -> variable: "
+ "~n VarOid: ~p", [VarOid]),
RVb = if LAVb =:= [] -> Vb;
true -> LAVb
end,
NewVb = Vb#varbind{oid = VarOid, value = 'NULL'},
next_loop_varbinds([], [NewVb | Vbs], MibView, Res, RVb);
{table, TableOid, TableRestOid, ME} ->
+ ?vt("next_loop_varbind -> table: "
+ "~n TableOid: ~p"
+ "~n TableRestOid: ~p"
+ "~n ME: ~p", [TableOid, TableRestOid, ME]),
next_loop_varbinds({table, TableOid, ME,
[{tab_oid(TableRestOid), Vb}]},
Vbs, MibView, Res, []);
{subagent, SubAgentPid, SAOid} ->
+ ?vt("next_loop_varbind -> subagent: "
+ "~n SubAgentPid: ~p"
+ "~n SAOid: ~p", [SubAgentPid, SAOid]),
NewVb = Vb#varbind{variabletype = 'NULL', value = 'NULL'},
next_loop_varbinds({subagent, SubAgentPid, SAOid, [NewVb]},
Vbs, MibView, Res, [])
@@ -2949,7 +2974,10 @@ next_loop_varbinds([], [], _MibView, Res, _LAVb) ->
{noError, 0, Res}.
try_get_instance(_Vb, #me{mfa = {M, F, A}, asn1_type = ASN1Type}) ->
- ?vtrace("try get instance from <~p,~p,~p>",[M,F,A]),
+ ?vtrace("try_get_instance -> entry with"
+ "~n M: ~p"
+ "~n F: ~p"
+ "~n A: ~p", [M,F,A]),
Result = (catch dbg_apply(M, F, [get | A])),
% mib shall return {value, <a-nice-value-within-range>} |
% {noValue, noSuchName} (v1) |
@@ -2960,6 +2988,7 @@ try_get_instance(_Vb, #me{mfa = {M, F, A}, asn1_type = ASN1Type}) ->
tab_oid([]) -> [0];
tab_oid(X) -> X.
+
%%-----------------------------------------------------------------
%% Perform a next, using the varbinds Oid if value is simple
%% value. If value is {endOf<something>, NextOid}, use NextOid.
@@ -3208,7 +3237,7 @@ next_oid(Oid) ->
%%% 5. GET-BULK REQUEST
%%%-----------------------------------------------------------------
do_get_bulk(MibView, NonRepeaters, MaxRepetitions, PduMS, Varbinds) ->
- ?vtrace("do get bulk: start with"
+ ?vtrace("do_get_bulk -> entry with"
"~n MibView: ~p"
"~n NonRepeaters: ~p"
"~n MaxRepetitions: ~p"
@@ -3216,12 +3245,12 @@ do_get_bulk(MibView, NonRepeaters, MaxRepetitions, PduMS, Varbinds) ->
"~n Varbinds: ~p",
[MibView, NonRepeaters, MaxRepetitions, PduMS, Varbinds]),
{NonRepVbs, RestVbs} = split_vbs(NonRepeaters, Varbinds, []),
- ?vt("do get bulk -> split: "
+ ?vt("do_get_bulk -> split: "
"~n NonRepVbs: ~p"
"~n RestVbs: ~p", [NonRepVbs, RestVbs]),
case do_get_next(MibView, NonRepVbs) of
{noError, 0, UResNonRepVbs} ->
- ?vt("do get bulk -> next: "
+ ?vt("do_get_bulk -> next noError: "
"~n UResNonRepVbs: ~p", [UResNonRepVbs]),
ResNonRepVbs = lists:keysort(#varbind.org_index, UResNonRepVbs),
%% Decode the first varbinds, produce a reversed list of
@@ -3231,7 +3260,7 @@ do_get_bulk(MibView, NonRepeaters, MaxRepetitions, PduMS, Varbinds) ->
user_err("failed encoding varbind ~w:~n~p", [Idx, Reason]),
{genErr, Idx, []};
{SizeLeft, Res} when is_integer(SizeLeft) and is_list(Res) ->
- ?vtrace("do get bulk -> encoded: "
+ ?vtrace("do_get_bulk -> encoded: "
"~n SizeLeft: ~p"
"~n Res: ~w", [SizeLeft, Res]),
case (catch do_get_rep(SizeLeft, MibView, MaxRepetitions,
@@ -3244,6 +3273,10 @@ do_get_bulk(MibView, NonRepeaters, MaxRepetitions, PduMS, Varbinds) ->
?vtrace("do get bulk -> Res: "
"~n ~w", [Res]),
{noError, 0, conv_res(Res)};
+ {noError, 0, Data} = OK ->
+ ?vtrace("do get bulk -> OK: "
+ "~n length(Data): ~w", [length(Data)]),
+ OK;
Else ->
?vtrace("do get bulk -> Else: "
"~n ~w", [Else]),
@@ -3343,20 +3376,24 @@ do_get_rep(Sz, MibView, Count, Max, Varbinds, Res) ->
try_get_bulk(Sz, MibView, Varbinds) ->
?vt("try_get_bulk -> entry with"
- "~n Sz: ~w", [Sz]),
+ "~n Sz: ~w"
+ "~n MibView: ~w"
+ "~n Varbinds: ~w", [Sz, MibView, Varbinds]),
case do_get_next(MibView, Varbinds) of
{noError, 0, UNextVarbinds} ->
- ?vt("try_get_bulk -> noError", []),
+ ?vt("try_get_bulk -> noError: "
+ "~n UNextVarbinds: ~p", [UNextVarbinds]),
NextVarbinds = lists:keysort(#varbind.org_index, UNextVarbinds),
case (catch enc_vbs(Sz, NextVarbinds)) of
{error, Idx, Reason} ->
user_err("failed encoding varbind ~w:~n~p", [Idx, Reason]),
- ?vtrace("try_get_bulk -> error: "
+ ?vtrace("try_get_bulk -> encode error: "
"~n Idx: ~p"
"~n Reason: ~p", [Idx, Reason]),
{genErr, Idx};
- {SizeLeft, Res} when is_integer(SizeLeft) andalso is_list(Res) ->
- ?vt("try get bulk -> "
+ {SizeLeft, Res} when is_integer(SizeLeft) andalso
+ is_list(Res) ->
+ ?vt("try get bulk -> encode ok: "
"~n SizeLeft: ~w"
"~n Res: ~w", [SizeLeft, Res]),
{check_end_of_mibview(NextVarbinds),
@@ -3367,9 +3404,9 @@ try_get_bulk(Sz, MibView, Varbinds) ->
{endOfMibView, [], 0, Res}
end;
{ErrorStatus, Index, _} ->
- ?vt("try get bulk: "
+ ?vt("try_get_bulk -> error: "
"~n ErrorStatus: ~p"
- "~n Index: ~p",[ErrorStatus, Index]),
+ "~n Index: ~p", [ErrorStatus, Index]),
{ErrorStatus, Index}
end.
diff --git a/lib/snmp/src/agent/snmpa_mib_lib.erl b/lib/snmp/src/agent/snmpa_mib_lib.erl
index 441228b9ee..ae94aca6d8 100644
--- a/lib/snmp/src/agent/snmpa_mib_lib.erl
+++ b/lib/snmp/src/agent/snmpa_mib_lib.erl
@@ -60,23 +60,23 @@ table_del_row({Tab, Db} = TabDb, Key) ->
get_table(NameDb, FOI) ->
(catch get_table(NameDb, FOI, [], [])).
-get_table(NameDb, FOI, Oid, Acc) ->
- case table_next(NameDb, Oid) of
+get_table(NameDb, FOI, Key, Acc) ->
+ case table_next(NameDb, Key) of
endOfTable ->
?vdebug("end of table",[]),
{ok, lists:reverse(Acc)};
- Oid ->
+ Key ->
%% Crap, circular ref
- ?vinfo("cyclic reference: ~w -> ~w", [Oid,Oid]),
- throw({error, {cyclic_db_reference, Oid, Acc}});
- NextOid ->
- ?vtrace("get row for oid ~w", [NextOid]),
- case table_get_row(NameDb, NextOid, FOI) of
+ ?vinfo("cyclic reference: ~w -> ~w", [Key, Key]),
+ throw({error, {cyclic_db_reference, Key, Acc}});
+ NextKey ->
+ ?vtrace("get row for key ~w", [NextKey]),
+ case table_get_row(NameDb, NextKey, FOI) of
undefined ->
- throw({error, {invalid_rowindex, NextOid, Acc}});
+ throw({error, {invalid_rowindex, NextKey, Acc}});
Row ->
?vtrace("row: ~w", [Row]),
- get_table(NameDb, FOI, NextOid, [{NextOid, Row}|Acc])
+ get_table(NameDb, FOI, NextKey, [{NextKey, Row}|Acc])
end
end.
diff --git a/lib/snmp/src/agent/snmpa_vacm.erl b/lib/snmp/src/agent/snmpa_vacm.erl
index 2eacea4301..d17ed73ab7 100644
--- a/lib/snmp/src/agent/snmpa_vacm.erl
+++ b/lib/snmp/src/agent/snmpa_vacm.erl
@@ -62,6 +62,13 @@ get_mib_view(ViewType, SecModel, SecName, SecLevel, ContextName) ->
%% Follows the procedure in rfc2275
auth(ViewType, SecModel, SecName, SecLevel, ContextName) ->
+ ?vtrace("auth -> entry with"
+ "~n ViewType: ~p"
+ "~n SecModel: ~p"
+ "~n SecName: ~p"
+ "~n SecLevel: ~p"
+ "~n ContextName: ~p",
+ [ViewType, SecModel, SecName, SecLevel, ContextName]),
% 3.2.1 - Check that the context is known to us
?vdebug("check that the context (~p) is known to us",[ContextName]),
case snmp_view_based_acm_mib:vacmContextTable(get, ContextName,
@@ -74,7 +81,7 @@ auth(ViewType, SecModel, SecName, SecLevel, ContextName) ->
end,
% 3.2.2 - Check that the SecModel and SecName is valid
?vdebug("check that SecModel (~p) and SecName (~p) is valid",
- [SecModel,SecName]),
+ [SecModel, SecName]),
GroupName =
case snmp_view_based_acm_mib:get(vacmSecurityToGroupTable,
[SecModel, length(SecName) | SecName],
@@ -111,6 +118,8 @@ check_auth(Res) -> {ok, Res}.
%% key in the table >= ViewIndex.
%%-----------------------------------------------------------------
get_mib_view(ViewName) ->
+ ?vtrace("get_mib_view -> entry with"
+ "~n ViewName: ~p", [ViewName]),
ViewKey = [length(ViewName) | ViewName],
case snmp_view_based_acm_mib:table_next(vacmViewTreeFamilyTable,
ViewKey) of
@@ -202,6 +211,13 @@ backup(BackupDir) ->
%% Ret: {ok, ViewName} | {error, Reason}
get_view_name(ViewType, GroupName, ContextName, SecModel, SecLevel) ->
+ ?vtrace("get_view_name -> entry with"
+ "~n ViewType: ~p"
+ "~n GroupName: ~p"
+ "~n ContextName: ~p"
+ "~n SecModel: ~p"
+ "~n SecLevel: ~p",
+ [ViewType, GroupName, ContextName, SecModel, SecLevel]),
GroupKey = [length(GroupName) | GroupName],
case get_access_row(GroupKey, ContextName, SecModel, SecLevel) of
undefined ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 21:00:12 +0000