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-rw-r--r--lib/asn1/src/asn1rt_per_bin_rt2ct.erl307
1 files changed, 74 insertions, 233 deletions
diff --git a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
index 01e1cb23d7..5997232f13 100644
--- a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
+++ b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
@@ -22,25 +22,21 @@
-include("asn1_records.hrl").
--export([dec_fixup/3]).
+-export([decode_fragmented/3]).
-export([setchoiceext/1, setext/1, fixoptionals/3, fixextensions/2,
- getext/1, getextension/2, skipextensions/3, getbit/1, getchoice/3 ]).
--export([getoptionals/2, getoptionals2/2,
- set_choice/3, encode_integer/2, encode_integer/3 ]).
--export([decode_integer/2, decode_integer/3, encode_small_number/1,
- decode_boolean/1, encode_length/2, decode_length/1, decode_length/2,
- encode_small_length/1, decode_small_length/1,
+ skipextensions/3, getbit/1, getchoice/3 ]).
+-export([set_choice/3, encode_integer/2, encode_integer/3 ]).
+-export([encode_small_number/1,
+ encode_length/2,
+ encode_small_length/1,
decode_compact_bit_string/3]).
--export([decode_enumerated/3,
- encode_bit_string/3, decode_bit_string/3 ]).
--export([encode_octet_string/2, decode_octet_string/2,
- encode_null/1, decode_null/1,
+-export([encode_bit_string/3, decode_bit_string/3 ]).
+-export([encode_octet_string/2,
encode_object_identifier/1, decode_object_identifier/1,
encode_real/1, decode_real/1,
encode_relative_oid/1, decode_relative_oid/1,
complete/1]).
-
-export([encode_open_type/2, decode_open_type/2]).
-export([encode_GeneralString/2, decode_GeneralString/2,
@@ -51,19 +47,10 @@
encode_UTF8String/1,decode_UTF8String/1
]).
--export([decode_constrained_number/2,
- decode_constrained_number/3,
- decode_unconstrained_number/1,
- decode_semi_constrained_number/2,
- encode_unconstrained_number/1,
- decode_constrained_number/4,
+-export([encode_unconstrained_number/1,
encode_octet_string/3,
- decode_octet_string/3,
encode_known_multiplier_string/5,
- decode_known_multiplier_string/5,
- getoctets/2, getbits/2
-% start_drv/1,start_drv2/1,init_drv/1
- ]).
+ decode_known_multiplier_string/5]).
-export([eint_positive/1]).
@@ -73,20 +60,6 @@
-define('32K',32768).
-define('64K',65536).
-%%-define(nodriver,true).
-
-dec_fixup(Terms,Cnames,RemBytes) ->
- dec_fixup(Terms,Cnames,RemBytes,[]).
-
-dec_fixup([novalue|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([{_Name,novalue}|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([H|T],[Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,[{Hc,H}|Acc]);
-dec_fixup([],_Cnames,RemBytes,Acc) ->
- {lists:reverse(Acc),RemBytes}.
-
%%--------------------------------------------------------
%% setchoiceext(InRootSet) -> [{bit,X}]
%% X is set to 1 when InRootSet==false
@@ -131,15 +104,6 @@ fixoptionals([Pos|Ot],Val,Acc) ->
end.
-getext(Bytes) when is_bitstring(Bytes) ->
- getbit(Bytes).
-
-getextension(0, Bytes) ->
- {<<>>,Bytes};
-getextension(1, Bytes) ->
- {Len,Bytes2} = decode_small_length(Bytes),
- getbits_as_binary(Len,Bytes2).% {Bin,Bytes3}.
-
fixextensions({ext,ExtPos,ExtNum},Val) ->
case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of
0 -> [];
@@ -182,14 +146,6 @@ getchoice(Bytes,_,1) ->
getchoice(Bytes,NumChoices,0) ->
decode_constrained_number(Bytes,{0,NumChoices-1}).
-%% old version kept for backward compatibility with generates from R7B01
-getoptionals(Bytes,NumOpt) ->
- getbits_as_binary(NumOpt,Bytes).
-
-%% new version used in generates from r8b_patch/3 and later
-getoptionals2(Bytes,NumOpt) ->
- {_,_} = getbits(Bytes,NumOpt).
-
%% getbits_as_binary(Num,Bytes) -> {Bin,Rest}
%% Num = integer(),
@@ -332,32 +288,6 @@ decode_fragmented_bits(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
exit({error,{asn1,{illegal_value,C,BinBits}}})
end.
-
-decode_fragmented_octets(Bin,C) ->
- decode_fragmented_octets(Bin,C,[]).
-
-decode_fragmented_octets(<<3:2,Len:6,Bin/binary>>,C,Acc) ->
- {Value,Bin2} = split_binary(Bin,Len * ?'16K'),
- decode_fragmented_octets(Bin2,C,[Value|Acc]);
-decode_fragmented_octets(<<0:1,0:7,Bin/binary>>,C,Acc) ->
- Octets = list_to_binary(lists:reverse(Acc)),
- case C of
- Int when is_integer(Int), C == size(Octets) ->
- {Octets,Bin};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,Octets}}})
- end;
-decode_fragmented_octets(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
- <<Value:Len/binary-unit:8,Bin2/binary>> = Bin,
- BinOctets = list_to_binary(lists:reverse([Value|Acc])),
- case C of
- Int when is_integer(Int),size(BinOctets) == Int ->
- {BinOctets,Bin2};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinOctets}}})
- end.
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_open_type(Constraint, Value) -> CompleteList
@@ -442,40 +372,6 @@ encode_integer(_,Val) ->
exit({error,{asn1,{illegal_value,Val}}}).
-
-decode_integer(Buffer,Range,NamedNumberList) ->
- {Val,Buffer2} = decode_integer(Buffer,Range),
- case lists:keysearch(Val,2,NamedNumberList) of
- {value,{NewVal,_}} -> {NewVal,Buffer2};
- _ -> {Val,Buffer2}
- end.
-
-decode_integer(Buffer,[{Rc,_Ec}]) when is_tuple(Rc) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> decode_integer(Buffer2,[Rc]);
- 1 -> decode_unconstrained_number(Buffer2)
- end;
-decode_integer(Buffer,undefined) ->
- decode_unconstrained_number(Buffer);
-decode_integer(Buffer,C) ->
- case get_constraint(C,'SingleValue') of
- V when is_integer(V) ->
- {V,Buffer};
- _ ->
- decode_integer1(Buffer,C)
- end.
-
-decode_integer1(Buffer,C) ->
- case VR = get_constraint(C,'ValueRange') of
- no ->
- decode_unconstrained_number(Buffer);
- {Lb, 'MAX'} ->
- decode_semi_constrained_number(Buffer,Lb);
- {_Lb,_Ub} ->
- decode_constrained_number(Buffer,VR)
- end.
-
%% X.691:10.6 Encoding of a normally small non-negative whole number
%% Use this for encoding of CHOICE index if there is an extension marker in
%% the CHOICE
@@ -495,7 +391,7 @@ decode_small_number(Bytes) ->
0 ->
getbits(Bytes2,6);
1 ->
- decode_semi_constrained_number(Bytes2,0)
+ decode_semi_constrained_number(Bytes2)
end.
%% X.691:10.7 Encoding of a semi-constrained whole number
@@ -518,12 +414,10 @@ encode_semi_constrained_number(Lb,Val) ->
[encode_length(undefined,Len),[21,<<Len:16>>,Oct]]
end.
-decode_semi_constrained_number(Bytes,{Lb,_}) ->
- decode_semi_constrained_number(Bytes,Lb);
-decode_semi_constrained_number(Bytes,Lb) ->
+decode_semi_constrained_number(Bytes) ->
{Len,Bytes2} = decode_length(Bytes,undefined),
{V,Bytes3} = getoctets(Bytes2,Len),
- {V+Lb,Bytes3}.
+ {V,Bytes3}.
encode_constrained_number({Lb,_Ub},_Range,{bits,N},Val) ->
Val2 = Val-Lb,
@@ -609,13 +503,6 @@ decode_constrained_number(Buffer,VR={Lb,Ub}) ->
Range = Ub - Lb + 1,
decode_constrained_number(Buffer,VR,Range).
-decode_constrained_number(Buffer,{Lb,_Ub},_Range,{bits,N}) ->
- {Val,Remain} = getbits(Buffer,N),
- {Val+Lb,Remain};
-decode_constrained_number(Buffer,{Lb,_Ub},_Range,{octets,N}) ->
- {Val,Remain} = getoctets(Buffer,N),
- {Val+Lb,Remain}.
-
decode_constrained_number(Buffer,{Lb,_Ub},Range) ->
% Val2 = Val - Lb,
{Val,Remain} =
@@ -716,23 +603,6 @@ enint(-1, [B1|T]) when B1 > 127 ->
enint(N, Acc) ->
enint(N bsr 8, [N band 16#ff|Acc]).
-decode_unconstrained_number(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Ints,Bytes3} = getoctets_as_bin(Bytes2,Len),
- {dec_integer(Ints),Bytes3}.
-
-dec_integer(Bin = <<0:1,_:7,_/binary>>) ->
- decpint(Bin);
-dec_integer(<<_:1,B:7,BitStr/bitstring>>) ->
- Size = bit_size(BitStr),
- <<I:Size>> = BitStr,
- (-128 + B) bsl bit_size(BitStr) bor I.
-
-decpint(Bin) ->
- Size = bit_size(Bin),
- <<Int:Size>> = Bin,
- Int.
-
%% X.691:10.9 Encoding of a length determinant
%%encode_small_length(undefined,Len) -> % null means no UpperBound
%% encode_small_number(Len).
@@ -777,18 +647,6 @@ encode_small_length(Len) ->
[1,encode_length(undefined,Len)].
-decode_small_length(Buffer) ->
- case getbit(Buffer) of
- {0,Remain} ->
- {Bits,Remain2} = getbits(Remain,6),
- {Bits+1,Remain2};
- {1,Remain} ->
- decode_length(Remain,undefined)
- end.
-
-decode_length(Buffer) ->
- decode_length(Buffer,undefined).
-
decode_length(Buffer,undefined) -> % un-constrained
case align(Buffer) of
<<0:1,Oct:7,Rest/binary>> ->
@@ -831,38 +689,6 @@ decode_length(Buffer,SingleValue) when is_integer(SingleValue) ->
{SingleValue,Buffer}.
- % X.691:11
-decode_boolean(Buffer) -> %when record(Buffer,buffer)
- case getbit(Buffer) of
- {1,Remain} -> {true,Remain};
- {0,Remain} -> {false,Remain}
- end.
-
-
-%% ENUMERATED with extension marker
-decode_enumerated(Buffer,C,{Ntup1,Ntup2}) when is_tuple(Ntup1), is_tuple(Ntup2) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> % not an extension value
- {Val,Buffer3} = decode_integer(Buffer2,C),
- case catch (element(Val+1,Ntup1)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,[Ntup1,Ntup2]}}}})
- end;
- 1 -> % this an extension value
- {Val,Buffer3} = decode_small_number(Buffer2),
- case catch (element(Val+1,Ntup2)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _ -> {{asn1_enum,Val},Buffer3}
- end
- end;
-
-decode_enumerated(Buffer,C,NamedNumberTup) when is_tuple(NamedNumberTup) ->
- {Val,Buffer2} = decode_integer(Buffer,C),
- case catch (element(Val+1,NamedNumberTup)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer2};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,NamedNumberTup}}}})
- end.
%%===============================================================================
%%===============================================================================
@@ -1313,49 +1139,74 @@ encode_octet_string(SZ={_,_},false,Val) ->
% [encode_length(SZ,length(Val)),align,
% {octets,Val}];
Len = length(Val),
- [encode_length(SZ,Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length(SZ,Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
encode_octet_string(SZ,false,Val) when is_list(SZ) ->
Len = length(Val),
- [encode_length({hd(SZ),lists:max(SZ)},Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length({hd(SZ),lists:max(SZ)},Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
+encode_octet_string(Sv,false,Val) when is_integer(Sv) ->
+ encode_fragmented_octet_string(Val);
encode_octet_string(no,false,Val) ->
Len = length(Val),
- [encode_length(undefined,Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length(undefined,Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
encode_octet_string(C,_,_) ->
exit({error,{not_implemented,C}}).
-
-decode_octet_string(Bytes,Range) ->
- decode_octet_string(Bytes,Range,false).
-
-decode_octet_string(<<B1,Bytes/bitstring>>,1,false) ->
-%% {B1,Bytes2} = getbits(Bytes,8),
- {[B1],Bytes};
-decode_octet_string(<<B1,B2,Bytes/bitstring>>,2,false) ->
-%% {Bs,Bytes2}= getbits(Bytes,16),
-%% {binary_to_list(<<Bs:16>>),Bytes2};
- {[B1,B2],Bytes};
-decode_octet_string(Bytes,Sv,false) when is_integer(Sv),Sv=<65535 ->
- %% Bytes2 = align(Bytes),
- %% getoctets_as_list aligns buffer before it picks octets
- getoctets_as_list(Bytes,Sv);
-decode_octet_string(Bytes,Sv,false) when is_integer(Sv) ->
- Bytes2 = align(Bytes),
- decode_fragmented_octets(Bytes2,Sv);
-decode_octet_string(Bytes,{Lb,Ub},false) ->
- {Len,Bytes2} = decode_length(Bytes,{Lb,Ub}),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string(Bytes,Sv,false) when is_list(Sv) ->
- {Len,Bytes2} = decode_length(Bytes,{hd(Sv),lists:max(Sv)}),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string(Bytes,no,false) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len).
+encode_fragmented_octet_string(Val) ->
+ Bin = iolist_to_binary(Val),
+ efos_1(Bin).
+
+efos_1(<<B1:16#C000/binary,B2:16#4000/binary,T/binary>>) ->
+ [20,1,<<3:2,4:6>>,
+ octets_to_complete(16#C000, B1),
+ octets_to_complete(16#4000, B2)|efos_1(T)];
+efos_1(<<B:16#C000/binary,T/binary>>) ->
+ [20,1,<<3:2,3:6>>,octets_to_complete(16#C000, B)|efos_1(T)];
+efos_1(<<B:16#8000/binary,T/binary>>) ->
+ [20,1,<<3:2,2:6>>,octets_to_complete(16#8000, B)|efos_1(T)];
+efos_1(<<B:16#4000/binary,T/binary>>) ->
+ [20,1,<<3:2,1:6>>,octets_to_complete(16#4000, B)|efos_1(T)];
+efos_1(<<>>) ->
+ [20,1,0];
+efos_1(<<B/bitstring>>) ->
+ Len = byte_size(B),
+ [encode_length(undefined, Len),octets_to_complete(Len, B)].
+
+decode_fragmented(SegSz0, Buf0, Unit) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Res:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ decode_fragmented_1(Buf, Unit, Res).
+
+decode_fragmented_1(<<0:1,N:7,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,0:1,N:14,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,1:1,SegSz0:6,Buf0/bitstring>>, Unit, Res0) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Frag:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ Res = <<Res0/bitstring,Frag/bitstring>>,
+ decode_fragmented_1(Buf, Unit, Res).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -1543,16 +1394,6 @@ chars_decode2(Bytes,{Min,Max,CharInTab},NumBits,Len,Acc) ->
chars_decode2(Bytes2,{Min,Max,CharInTab},NumBits,Len -1,[element(Char+1,CharInTab)|Acc]).
- % X.691:17
-encode_null(_Val) -> []. % encodes to nothing
-%encode_null({Name,Val}) when is_atom(Name) ->
-% encode_null(Val).
-
-decode_null(Bytes) ->
- {'NULL',Bytes}.
-
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_UTF8String(Val) -> CompleteList
%% Val -> <<utf8encoded binary>>
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 18:03:33 +0000