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| author | Björn Gustavsson <[email protected]> | 2015-11-30 13:54:10 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2015-11-30 13:54:10 +0100 |
| commit | b185ad94ac37e20c57d24fb0da4b46d923af53eb (patch) | |
| tree | ebedb827618a017aad6b55d5e66470ad0d1a5ca9 | |
| parent | 53bfaec70f9f6daaae079a1c5cd852f4df214b57 (diff) | |
| download | otp-b185ad94ac37e20c57d24fb0da4b46d923af53eb.tar.gz otp-b185ad94ac37e20c57d24fb0da4b46d923af53eb.tar.bz2 otp-b185ad94ac37e20c57d24fb0da4b46d923af53eb.zip | |
BER: Fix encoding of empty named BIT STRING
Encoding an empty named BIT STRING would fail for BER.
Noticed-by: Svilen Ivanov
| -rw-r--r-- | lib/asn1/src/asn1rtt_ber.erl | 4 | ||||
| -rw-r--r-- | lib/asn1/test/testPrimStrings.erl | 9 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/asn1/src/asn1rtt_ber.erl b/lib/asn1/src/asn1rtt_ber.erl index 39fa8aaf99..e50b14941c 100644 --- a/lib/asn1/src/asn1rtt_ber.erl +++ b/lib/asn1/src/asn1rtt_ber.erl @@ -739,6 +739,8 @@ encode_named_bit_string([H|_]=Bits, NamedBitList, TagIn) when is_atom(H) -> do_encode_named_bit_string(Bits, NamedBitList, TagIn); encode_named_bit_string([{bit,_}|_]=Bits, NamedBitList, TagIn) -> do_encode_named_bit_string(Bits, NamedBitList, TagIn); +encode_named_bit_string([], _NamedBitList, TagIn) -> + encode_unnamed_bit_string(<<>>, TagIn); encode_named_bit_string(Bits, _NamedBitList, TagIn) when is_bitstring(Bits) -> encode_unnamed_bit_string(Bits, TagIn). @@ -746,6 +748,8 @@ encode_named_bit_string(C, [H|_]=Bits, NamedBitList, TagIn) when is_atom(H) -> do_encode_named_bit_string(C, Bits, NamedBitList, TagIn); encode_named_bit_string(C, [{bit,_}|_]=Bits, NamedBitList, TagIn) -> do_encode_named_bit_string(C, Bits, NamedBitList, TagIn); +encode_named_bit_string(C, [], _NamedBitList, TagIn) -> + encode_unnamed_bit_string(C, <<>>, TagIn); encode_named_bit_string(C, Bits, _NamedBitList, TagIn) when is_bitstring(Bits) -> encode_unnamed_bit_string(C, Bits, TagIn). diff --git a/lib/asn1/test/testPrimStrings.erl b/lib/asn1/test/testPrimStrings.erl index fa778765b1..46793c6bff 100644 --- a/lib/asn1/test/testPrimStrings.erl +++ b/lib/asn1/test/testPrimStrings.erl @@ -123,6 +123,7 @@ bit_string(Rules, Opts) -> %% Bs2 ::= BIT STRING {su(0), mo(1), tu(2), we(3), th(4), fr(5), sa(6) } (SIZE (7)) %%========================================================== + roundtrip('Bs2', []), roundtrip('Bs2', [mo,tu,fr]), bs_roundtrip('Bs2', <<2#0110010:7>>, [mo,tu,fr]), bs_roundtrip('Bs2', <<2#0110011:7>>, [mo,tu,fr,sa]), @@ -131,6 +132,7 @@ bit_string(Rules, Opts) -> %% Bs3 ::= BIT STRING {su(0), mo(1), tu(2), we(3), th(4), fr(5), sa(6) } (SIZE (1..7)) %%========================================================== + roundtrip('Bs3', []), roundtrip('Bs3', [mo,tu,fr]), bs_roundtrip('Bs3', <<2#0110010:7>>, [mo,tu,fr]), bs_roundtrip('Bs3', <<2#0110010:7>>, [mo,tu,fr]), @@ -139,6 +141,13 @@ bit_string(Rules, Opts) -> bs_roundtrip('Bs3', <<2#11:2>>, [su,mo]), %%========================================================== + %% Bs4 ::= BIT STRING {su(0), mo(1), tu(2), we(3), th(4), fr(5), sa(6) } + %%========================================================== + + roundtrip('Bs4', []), + roundtrip('Bs4', [mo,tu,fr,sa]), + + %%========================================================== %% Bs7 ::= BIT STRING (SIZE (24)) %%========================================================== |