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authorBjörn Gustavsson <[email protected]>2013-03-27 07:32:36 +0100
committerBjörn Gustavsson <[email protected]>2013-05-31 14:52:23 +0200
commitf6269228fdac5c11decb9e5daef81b859a942936 (patch)
treec24d47d0b105f44965f8532cddd32b8da5ae5270 /lib/asn1
parent19b84eb5f8a2b344447cd8204cdd490d0d9123ff (diff)
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asn1ct: Simplify check_value/2
Most types don't have any validation functions that does anything useful, so it is sufficient to call normalize_value/4 for them.
Diffstat (limited to 'lib/asn1')
-rw-r--r--lib/asn1/src/asn1ct_check.erl280
1 files changed, 68 insertions, 212 deletions
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index ff583d2605..b6e2bc6e95 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -73,7 +73,6 @@
end).
-record(newt,{type=unchanged,tag=unchanged,constraint=unchanged,inlined=no}). % used in check_type to update type and tag
--record(newv,{type=unchanged,value=unchanged}). % used in check_value to update type and value
check(S,{Types,Values,ParameterizedTypes,Classes,Objects,ObjectSets}) ->
%%Predicates used to filter errors
@@ -2071,171 +2070,72 @@ check_value(S,#valuedef{pos=Pos,name=Name,type=Type,
NewType = Type#type{constraint=[Constr]},
{valueset,
check_type(S,#typedef{pos=Pos,name=Name,typespec=NewType},NewType)};
-check_value(OldS=#state{recordtopname=TopName},V) when is_record(V,valuedef) ->
- #valuedef{name=Name,checked=Checked,type=Vtype,
- value=Value,module=ModName} = V,
- ?dbg("check_value, V: ~p~n",[V]),
- case Checked of
- true ->
+check_value(S, #valuedef{}=V) ->
+ ?dbg("check_value, V: ~p~n",[V0]),
+ case V of
+ #valuedef{checked=true} ->
V;
- {error,_} ->
- V;
- false ->
- Def = Vtype#type.def,
- Constr = Vtype#type.constraint,
- S = OldS#state{type=Vtype,tname=Def,value=V,vname=Name},
- SVal = update_state(S,ModName),
- NewDef =
- case Def of
- Ext when is_record(Ext,'Externaltypereference') ->
- RecName = Ext#'Externaltypereference'.type,
- {RefM,Type} = get_referenced_type(S,Ext),
- %% If V isn't a value but an object Type is a #classdef{}
- %%NewS = S#state{mname=RefM},
- NewS = update_state(S,RefM),
- case Type of
- #classdef{} ->
- throw({objectdef});
- #typedef{} ->
- case is_contextswitchtype(Type) of
- true ->
- #valuedef{value=CheckedVal}=
- check_value(NewS,V#valuedef{type=Type#typedef.typespec}),
- #newv{value=CheckedVal};
- _ ->
- #valuedef{value=CheckedVal}=
- check_value(NewS#state{recordtopname=[RecName|TopName]},
- V#valuedef{type=Type#typedef.typespec}),
- #newv{value=CheckedVal}
- end;
- #type{} ->
- %% A parameter that couldn't be categorized.
- #valuedef{value=CheckedVal}=
- check_value(NewS#state{recordtopname=[RecName|TopName]},
- V#valuedef{type=Type}),
- #newv{value=CheckedVal}
- end;
- 'ANY' ->
- case Value of
- {opentypefieldvalue,ANYType,ANYValue} ->
- CheckedV=
- check_value(SVal,#valuedef{name=Name,
- type=ANYType,
- value=ANYValue,
- module=ModName}),
- #newv{value=CheckedV#valuedef.value};
- _ ->
- throw({error,{asn1,{'cant check value of type',Def}}})
- end;
- 'INTEGER' ->
- ok=validate_integer(SVal,Value,[],Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- {'INTEGER',NamedNumberList} ->
- ok=validate_integer(SVal,Value,NamedNumberList,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- {'BIT STRING',NamedNumberList} ->
- ok=validate_bitstring(SVal,Value,NamedNumberList,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'NULL' ->
- ok=validate_null(SVal,Value,Constr),
- #newv{};
- 'OBJECT IDENTIFIER' ->
- {ok,_}=validate_objectidentifier(SVal,Value,Constr),
- #newv{value = normalize_value(SVal,Vtype,Value,[])};
- 'RELATIVE-OID' ->
- {ok,_}=validate_relative_oid(SVal,Value,Constr),
- #newv{value = Value};
- 'ObjectDescriptor' ->
- ok=validate_objectdescriptor(SVal,Value,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'REAL' ->
- ok = validate_real(SVal,Value,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- {'ENUMERATED',_} ->
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'BOOLEAN'->
- ok=validate_boolean(SVal,Value,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'OCTET STRING' ->
- ok=validate_octetstring(SVal,Value,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'NumericString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- TString when TString =:= 'TeletexString';
- TString =:= 'T61String' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'VideotexString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'UTCTime' ->
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
-% exit({'cant check value of type' ,Def});
- 'GeneralizedTime' ->
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
-% exit({'cant check value of type' ,Def});
- 'GraphicString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'VisibleString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'GeneralString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'PrintableString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'IA5String' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'BMPString' ->
- ok=validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'UTF8String' ->
- ok = validate_restrictedstring(SVal,Vtype,Value,Constr),
- %%io:format("Vtype: ~p~nValue: ~p~n",[Vtype,Value]);
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- 'UniversalString' -> %added 6/12 -00
- ok = validate_restrictedstring(SVal,Value,Def,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,[])};
- Seq when is_record(Seq,'SEQUENCE') ->
- {ok,SeqVal} = validate_sequence(SVal,Value,
- Seq#'SEQUENCE'.components,
- Constr),
- #newv{value=normalize_value(SVal,Vtype,SeqVal,TopName)};
- {'SEQUENCE OF',Components} ->
- ok=validate_sequenceof(SVal,Value,Components,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,TopName)};
- {'CHOICE',Components} ->
- ok=validate_choice(SVal,Value,Components,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,TopName)};
- Set when is_record(Set,'SET') ->
- ok=validate_set(SVal,Value,Set#'SET'.components,
- Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,TopName)};
- {'SET OF',Components} ->
- ok=validate_setof(SVal,Value,Components,Constr),
- #newv{value=normalize_value(SVal,Vtype,Value,TopName)};
- {'SelectionType',SelName,SelT} ->
- CheckedT = check_selectiontype(SVal,SelName,SelT),
- NewV = V#valuedef{type=CheckedT},
- SelVDef=check_value(S#state{value=NewV},NewV),
- #newv{value=SelVDef#valuedef.value};
- Other ->
- exit({'cannot check value of type' ,Other})
- end,
- case NewDef#newv.value of
- unchanged ->
- V#valuedef{checked=true,value=Value};
- ok ->
- V#valuedef{checked=true,value=Value};
- {error,Reason} ->
- V#valuedef{checked={error,Reason},value=Value};
- _V ->
- V#valuedef{checked=true,value=_V}
- end
+ #valuedef{checked=false} ->
+ check_valuedef(S, V)
+ end.
+
+check_valuedef(#state{recordtopname=TopName}=S0, V0) ->
+ #valuedef{name=Name,type=Vtype,value=Value,module=ModName} = V0,
+ V = V0#valuedef{checked=true},
+ Def = Vtype#type.def,
+ Constr = Vtype#type.constraint,
+ S1 = S0#state{type=Vtype,tname=Def,value=V0,vname=Name},
+ SVal = update_state(S1, ModName),
+ case Def of
+ #'Externaltypereference'{type=RecName}=Ext ->
+ {RefM,Type} = get_referenced_type(S1, Ext),
+ %% If V isn't a value but an object Type is a #classdef{}
+ S2 = update_state(S1, RefM),
+ case Type of
+ #classdef{} ->
+ throw({objectdef});
+ #typedef{typespec=TypeSpec} ->
+ S3 = case is_contextswitchtype(Type) of
+ true ->
+ S2;
+ false ->
+ S2#state{recordtopname=[RecName|TopName]}
+ end,
+ #valuedef{value=CheckedVal} =
+ check_value(S3, V0#valuedef{type=TypeSpec}),
+ V#valuedef{value=CheckedVal};
+ #type{} ->
+ %% A parameter that couldn't be categorized.
+ #valuedef{value=CheckedVal} =
+ check_value(S2#state{recordtopname=[RecName|TopName]},
+ V#valuedef{type=Type}),
+ V#valuedef{value=CheckedVal}
+ end;
+ 'ANY' ->
+ {opentypefieldvalue,ANYType,ANYValue} = Value,
+ CheckedV = check_value(SVal,#valuedef{name=Name,
+ type=ANYType,
+ value=ANYValue,
+ module=ModName}),
+ V#valuedef{value=CheckedV#valuedef.value};
+ 'INTEGER' ->
+ ok = validate_integer(SVal, Value, [], Constr),
+ V#valuedef{value=normalize_value(SVal, Vtype, Value, [])};
+ {'INTEGER',NamedNumberList} ->
+ ok = validate_integer(SVal, Value, NamedNumberList, Constr),
+ V#valuedef{value=normalize_value(SVal, Vtype, Value, [])};
+ #'SEQUENCE'{components=Components} ->
+ {ok,SeqVal} = validate_sequence(SVal, Value,
+ Components, Constr),
+ V#valuedef{value=normalize_value(SVal, Vtype,
+ SeqVal, TopName)};
+ {'SelectionType',SelName,SelT} ->
+ CheckedT = check_selectiontype(SVal, SelName, SelT),
+ NewV = V#valuedef{type=CheckedT},
+ SelVDef = check_value(S1#state{value=NewV}, NewV),
+ V#valuedef{value=SelVDef#valuedef.value};
+ _ ->
+ V#valuedef{value=normalize_value(SVal, Vtype, Value, TopName)}
end.
is_contextswitchtype(#typedef{name='EXTERNAL'})->
@@ -2291,12 +2191,6 @@ validate_integer_ref(S,Ref,NamedNumberList,Constr) ->
check_integer_range(_Int, Constr) when is_list(Constr) ->
ok.
-validate_bitstring(_S,_Value,_NamedNumberList,_Constr) ->
- ok.
-
-validate_null(_S,'NULL',_Constr) ->
- ok.
-
%%------------
%% This can be removed when the old parser is removed
%% The function removes 'space' atoms from the list
@@ -2310,9 +2204,6 @@ is_space_list([],Acc) ->
is_space_list([H|T],Acc) ->
is_space_list(T,[H|Acc]).
-validate_objectidentifier(S,ERef,C) ->
- validate_objectidentifier(S,o_id,ERef,C).
-
validate_objectidentifier(S,OID,ERef,C)
when is_record(ERef,'Externalvaluereference') ->
validate_objectidentifier(S,OID,[ERef],C);
@@ -2410,9 +2301,6 @@ validate_oid(_, S, OID, [Atom|Rest],Acc) when is_atom(Atom) ->
validate_oid(_, S, OID, V, Acc) ->
error({value, {"illegal "++to_string(OID),V,Acc},S}).
-validate_relative_oid(S,Value,Constr) ->
- validate_objectidentifier(S,rel_oid,Value,Constr).
-
is_object_id(OID,S,ERef=#'Externaltypereference'{}) ->
{_,OI} = get_referenced_type(S,ERef),
is_object_id(OID,S,OI#typedef.typespec);
@@ -2499,26 +2387,6 @@ valid_objectid(o_id,_I,[1]) -> false;
valid_objectid(o_id,_I,[2]) -> true;
valid_objectid(_,_,_) -> true.
-
-
-
-
-
-validate_objectdescriptor(_S,_Value,_Constr) ->
- ok.
-
-validate_real(_S,_Value,_Constr) ->
- ok.
-
-validate_boolean(_S,_Value,_Constr) ->
- ok.
-
-validate_octetstring(_S,_Value,_Constr) ->
- ok.
-
-validate_restrictedstring(_S,_Value,_Def,_Constr) ->
- ok.
-
validate_sequence(S=#state{type=Vtype},Value,_Components,_Constr) ->
case Vtype of
#type{tag=[{tag,'UNIVERSAL',8,'IMPLICIT',32}]} ->
@@ -2533,18 +2401,6 @@ validate_sequence(S=#state{type=Vtype},Value,_Components,_Constr) ->
{ok,Value}
end.
-validate_sequenceof(_S,_Value,_Components,_Constr) ->
- ok.
-
-validate_choice(_S,_Value,_Components,_Constr) ->
- ok.
-
-validate_set(_S,_Value,_Components,_Constr) ->
- ok.
-
-validate_setof(_S,_Value,_Components,_Constr) ->
- ok.
-
to_EXTERNAL1990(S,[{identification,{'CHOICE',{syntax,Stx}}}|Rest]) ->
to_EXTERNAL1990(S,Rest,[{'direct-reference',Stx}]);
to_EXTERNAL1990(S,[{identification,{'CHOICE',{'presentation-context-id',I}}}|Rest]) ->
@@ -2796,12 +2652,12 @@ hstring_to_octetlist([H|T],BSL,Acc) when H >= $0; H =< $9 ->
hstring_to_octetlist([],_,Acc) ->
lists:reverse(Acc).
-normalize_objectidentifier(S,Value) ->
- {ok,Val}=validate_objectidentifier(S,Value,[]),
+normalize_objectidentifier(S, Value) ->
+ {ok,Val} = validate_objectidentifier(S, o_id, Value, []),
Val.
normalize_relative_oid(S,Value) ->
- {ok,Val} = validate_relative_oid(S,Value,[]),
+ {ok,Val} = validate_objectidentifier(S, rel_oid, Value, []),
Val.
normalize_objectdescriptor(Value) ->