diff options
Diffstat (limited to 'lib/snmp/src/agent/snmp_view_based_acm_mib.erl')
-rw-r--r-- | lib/snmp/src/agent/snmp_view_based_acm_mib.erl | 113 |
1 files changed, 79 insertions, 34 deletions
diff --git a/lib/snmp/src/agent/snmp_view_based_acm_mib.erl b/lib/snmp/src/agent/snmp_view_based_acm_mib.erl index 479a44795f..436f15eb9c 100644 --- a/lib/snmp/src/agent/snmp_view_based_acm_mib.erl +++ b/lib/snmp/src/agent/snmp_view_based_acm_mib.erl @@ -565,45 +565,85 @@ vacmAccessTable(is_set_ok, RowIndex, Cols0) -> case (catch verify_vacmAccessTable_cols(Cols0, [])) of {ok, Cols} -> IsValidKey = is_valid_key(RowIndex), - case lists:keysearch(?vacmAccessStatus, 1, Cols) of - %% Ok, if contextMatch is init - {value, {Col, ?'RowStatus_active'}} -> - {ok, Row} = snmpa_vacm:get_row(RowIndex), - case element(?vacmAContextMatch, Row) of - noinit -> {inconsistentValue, Col}; - _ -> {noError, 0} + StatusCol = lists:keyfind(?vacmAccessStatus, 1, Cols), + MaybeRow = snmpa_vacm:get_row(RowIndex), + case {StatusCol, MaybeRow} of + {{Col, ?'RowStatus_active'}, false} -> + %% row does not yet exist => inconsistentValue + %% (see SNMPv2-TC.mib, RowStatus textual convention) + {inconsistentValue, Col}; + {{Col, ?'RowStatus_active'}, {ok, Row}} -> + %% Ok, if contextMatch is init + case element(?vacmAContextMatch, Row) of + noinit -> + %% check whether ContextMatch is being set in + %% the same operation + case proplists:get_value(?vacmAccessContextMatch, + Cols) of + undefined -> + %% no, we can't make this row active yet + {inconsistentValue, Col}; + _ -> + %% ok, activate the row + {noError, 0} + end; + _ -> + {noError, 0} end; - {value, {Col, ?'RowStatus_notInService'}} -> % Ok, if not notReady - {ok, Row} = snmpa_vacm:get_row(RowIndex), + {{Col, ?'RowStatus_notInService'}, false} -> + %% row does not yet exist => inconsistentValue + %% (see SNMPv2-TC.mib, RowStatus textual convention) + {inconsistentValue, Col}; + {{Col, ?'RowStatus_notInService'}, {ok, Row}} -> + %% Ok, if not notReady case element(?vacmAStatus, Row) of - ?'RowStatus_notReady' -> {inconsistentValue, Col}; - _ -> {noError, 0} + ?'RowStatus_notReady' -> + {inconsistentValue, Col}; + _ -> + {noError, 0} end; - {value, {Col, ?'RowStatus_notReady'}} -> % never ok! + {{Col, ?'RowStatus_notReady'}, _} -> + %% never ok! {inconsistentValue, Col}; - {value, {Col, ?'RowStatus_createAndGo'}} -> % ok, if it doesn't exist + {{Col, ?'RowStatus_createAndGo'}, false} -> + %% ok, if it doesn't exist Res = lists:keysearch(?vacmAccessContextMatch, 1, Cols), - case snmpa_vacm:get_row(RowIndex) of - false when (IsValidKey =:= true) andalso - is_tuple(Res) -> {noError, 0}; - false -> {noCreation, Col}; % Bad RowIndex - _ -> {inconsistentValue, Col} + if + IsValidKey =/= true -> + %% bad RowIndex => noCreation + {noCreation, Col}; + is_tuple(Res) -> + %% required field is present => noError + {noError, 0}; + true -> + %% required field is missing => inconsistentValue + {inconsistentValue, Col} end; - {value, {Col, ?'RowStatus_createAndWait'}} -> % ok, if it doesn't exist - case snmpa_vacm:get_row(RowIndex) of - false when (IsValidKey =:= true) -> {noError, 0}; - false -> {noCreation, Col}; % Bad RowIndex - _ -> {inconsistentValue, Col} + {{Col, ?'RowStatus_createAndGo'}, _} -> + %% row already exists => inconsistentValue + {inconsistentValue, Col}; + {{Col, ?'RowStatus_createAndWait'}, false} -> + %% ok, if it doesn't exist + if + IsValidKey =:= true -> + %% RowIndex is valid => noError + {noError, 0}; + true -> + {noCreation, Col} end; - {value, {_Col, ?'RowStatus_destroy'}} -> % always ok! + {{Col, ?'RowStatus_createAndWait'}, _} -> + %% Row already exists => inconsistentValue + {inconsistentValue, Col}; + {value, {_Col, ?'RowStatus_destroy'}} -> + %% always ok! {noError, 0}; - _ -> % otherwise, it's a change; it must exist - case snmpa_vacm:get_row(RowIndex) of - {ok, _} -> - {noError, 0}; - false -> - {inconsistentName, element(1, hd(Cols))} - end + {_, false} -> + %% otherwise, it's a row change; + %% row does not exist => inconsistentName + {inconsistentName, element(1, hd(Cols))}; + _ -> + %% row change and row exists => noError + {noError, 0} end; Error -> Error @@ -734,10 +774,15 @@ do_vacmAccessTable_set(RowIndex, Cols) -> %% Cols are sorted, and all columns are > 3. +do_get_next(_RowIndex, []) -> + % Cols can be empty because we're called for each + % output of split_cols(); and one of that may well + % be empty. + []; do_get_next(RowIndex, Cols) -> case snmpa_vacm:get_next_row(RowIndex) of {NextIndex, Row} -> - F1 = fun(Col) when Col < ?vacmAccessStatus -> + F1 = fun(Col) when Col =< ?vacmAccessStatus -> {[Col | NextIndex], element(Col-3, Row)}; (_) -> endOfTable @@ -745,9 +790,9 @@ do_get_next(RowIndex, Cols) -> lists:map(F1, Cols); false -> case snmpa_vacm:get_next_row([]) of - {_NextIndex, Row} -> + {NextIndex2, Row} -> F2 = fun(Col) when Col < ?vacmAccessStatus -> - {[Col+1 | RowIndex], element(Col-2, Row)}; + {[Col+1 | NextIndex2], element(Col-2, Row)}; (_) -> endOfTable end, |