Skip to content

to_der on ASN1Data should convert ruby strings into java strings before encoding #265

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
Open

to_der on ASN1Data should convert ruby strings into java strings before encoding #265

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
d2b2384
to_der on ASN1Data should convert ruby strings into java strings befo…
HoneyryderChuck Aug 20, 2022
e20132d
handle string in asn1data
HoneyryderChuck May 8, 2024
6c1c882
unify how taggedobjects get decoded
HoneyryderChuck May 15, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
99 changes: 85 additions & 14 deletions src/main/java/org/jruby/ext/openssl/ASN1.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1071,15 +1071,14 @@ else if ( obj instanceof ASN1GraphicString ) {
break;
}

if (taggedObj.getTagClass() == BERTags.APPLICATION) {
try {
final ASN1Sequence sequence = (ASN1Sequence) taggedObj.getBaseUniversal(false, SEQUENCE);
@SuppressWarnings("unchecked")
final RubyArray valArr = decodeObjects(context, ASN1, sequence.getObjects());
return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { valArr, tag, tag_class }, Block.NULL_BLOCK);
} else {
IRubyObject val = decodeObject(context, ASN1, taggedObj.getBaseObject());
final RubyArray valArr = runtime.newArray(val);
return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { valArr, tag, tag_class }, Block.NULL_BLOCK);
} catch (IllegalStateException e) {
IRubyObject val = decodeObject(context, ASN1, taggedObj.getBaseObject()).callMethod(context, "value");
return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { val, tag, tag_class }, Block.NULL_BLOCK);
}
}

Expand Down Expand Up @@ -1357,6 +1356,10 @@ boolean isEOC() {
return "EndOfContent".equals( getClassBaseName() );
}

boolean isUniversal(final ThreadContext context) {
return "ASN1Data".equals(getClassBaseName()) && getTagClass(context) == 0;
}

IRubyObject tagging() {
return getInstanceVariable("@tagging");
}
Expand Down Expand Up @@ -1395,22 +1398,51 @@ final ASN1TaggedObject toASN1TaggedObject(final ThreadContext context) {

final IRubyObject value = callMethod(context, "value");
if (value instanceof RubyArray) {
// Cruby openssl joins elements of array and casts to string
final RubyArray arr = (RubyArray) value;
assert ! arr.isEmpty();

String values = new String();
ASN1EncodableVector vec = new ASN1EncodableVector();

for (final IRubyObject obj : arr.toJavaArray()) {
ASN1Encodable data = ((ASN1Data) obj).toASN1(context);
if ( data == null ) break;
vec.add( data );
if (obj instanceof ASN1Data) {
ASN1Encodable data = ((ASN1Data) obj).toASN1(context);
if (data == null) break;
vec.add(data);
} else {
final IRubyObject string = obj.checkStringType();
if (string instanceof RubyString) {
values = values.concat(string.asJavaString());
} else {
throw context.runtime.newTypeError(
"no implicit conversion of " + obj.getMetaClass().getBaseName() + " into String");
}
}
}
return new DERTaggedObject(isExplicitTagging(), tag, new DERSequence(vec));
}

if (!(value instanceof ASN1Data)) {
throw new UnsupportedOperationException("toASN1 " + inspect() + " value: " + value.inspect() + " (" + value.getMetaClass() + ")");
if (vec.size() > 0) {
// array of asn1 objects as value
return new DERTaggedObject(isExplicitTagging(), tag, new DERSequence(vec));
}

// array of strings as value (default)
return new DERTaggedObject(isExplicitTagging(), tagClass, tag,
new DERGeneralString(values));
} else if (value instanceof ASN1Data) {
return new DERTaggedObject(isExplicitTagging(), tagClass, tag, ((ASN1Data) value).toASN1(context));
} else if (value instanceof RubyObject) {
final IRubyObject string = value.checkStringType();
if (string instanceof RubyString) {
return new DERTaggedObject(isExplicitTagging(), tagClass, tag,
new DERGeneralString(string.asJavaString()));
} else {
throw context.runtime.newTypeError(
"no implicit conversion of " + value.getMetaClass().getBaseName() + " into String");
}
} else {
throw context.runtime.newTypeError(
"no implicit conversion of " + value.getMetaClass().getBaseName() + " into String");
}
return new DERTaggedObject(isExplicitTagging(), tagClass, tag, ((ASN1Data) value).toASN1(context));
}

@JRubyMethod
Expand All @@ -1426,6 +1458,40 @@ public IRubyObject to_der(final ThreadContext context) {

byte[] toDER(final ThreadContext context) throws IOException {
if ( isEOC() ) return new byte[] { 0x00, 0x00 };

if (isUniversal(context)) {
// handstitch conversion
final java.io.ByteArrayOutputStream out = new ByteArrayOutputStream();
final IRubyObject value = callMethod(context, "value");

final byte[] valueBytes;
if (value instanceof RubyArray) {
String values = new String();
final RubyArray arr = (RubyArray) value;
for (final IRubyObject obj : arr.toJavaArray()) {
final IRubyObject string = value.checkStringType();
if (string instanceof RubyString) {
values = values + string;
} else {
throw context.runtime.newTypeError(
"no implicit conversion of " + obj.getMetaClass().getBaseName() + " into String");
}
}
valueBytes = values.getBytes();
} else {
final IRubyObject string = value.checkStringType();
if (string instanceof RubyString) {
valueBytes = ((RubyString) string).getBytes();
} else {
throw context.runtime.newTypeError(
"no implicit conversion of " + value.getMetaClass().getBaseName() + " into String");
}
}
out.write(getTag(context));
out.write(valueBytes.length);
out.write(valueBytes);
return out.toByteArray();
}
return toASN1(context).toASN1Primitive().getEncoded(ASN1Encoding.DER);
}

Expand Down Expand Up @@ -1619,6 +1685,11 @@ boolean isEOC() {
return false;
}

@Override
boolean isUniversal(final ThreadContext context) {
return false;
}

private boolean isNull() {
return "Null".equals(getMetaClass().getRealClass().getBaseName());
}
Expand Down
30 changes: 30 additions & 0 deletions src/test/ruby/test_asn1.rb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,36 @@ def test_null
}
end

def test_encode_asn1_data
ai = OpenSSL::ASN1::ASN1Data.new(i = "bla", 0, :APPLICATION)
ai2 = OpenSSL::ASN1.decode(ai.to_der)
assert_equal :APPLICATION, ai2.tag_class
assert_equal 0, ai2.tag
assert_equal i, ai2.value

ai = OpenSSL::ASN1::ASN1Data.new(i = "bla", 4, :UNIVERSAL)
ai2 = OpenSSL::ASN1.decode(ai.to_der)
assert_equal :UNIVERSAL, ai2.tag_class
assert_equal 4, ai2.tag
assert_equal i, ai2.value

ai = OpenSSL::ASN1::ASN1Data.new(i = ["bla"], 0, :APPLICATION)
ai2 = OpenSSL::ASN1.decode(ai.to_der)
assert_equal :APPLICATION, ai2.tag_class
assert_equal 0, ai2.tag
assert_equal "bla", ai2.value

ai = OpenSSL::ASN1::ASN1Data.new(i = ["bla", "bla"], 0, :APPLICATION)
ai2 = OpenSSL::ASN1.decode(ai.to_der)
assert_equal :APPLICATION, ai2.tag_class
assert_equal 0, ai2.tag
assert_equal "blabla", ai2.value

assert_raise(ArgumentError) { OpenSSL::ASN1::ASN1Data.new(1).to_der }
assert_raise("no implicit conversion of Integer into String") { OpenSSL::ASN1::ASN1Data.new(1, 0, :APPLICATION).to_der }
assert_raise("no implicit conversion of Integer into String") { OpenSSL::ASN1::ASN1Data.new(1, 0, :CONTEXT_SPECIFIC).to_der }
end

def test_encode_nil
#Primitives raise TypeError, Constructives NoMethodError

Expand Down
Loading