lgoldstein commented on code in PR #222: URL: https://github.com/apache/mina-sshd/pull/222#discussion_r869427309
########## sshd-common/src/main/java/org/apache/sshd/common/util/buffer/Buffer.java: ########## @@ -348,29 +348,36 @@ public List<OpenSshCertificate.CertificateOption> getCertificateOptions() { /** * According to <A HREF= - * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L222-L262">PROTOCOL.certkeys</A>: + * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L221-L319">PROTOCOL.certkeys</A>: * * Critical Options is a set of bytes that is * - * [overall length][name(string)][data(string)]... + * [overall length][name(string)][[length of buffer][[length of string][data(string)]]]... * - * Where each Critical Option is encoded as a name (string) and data (string) + * Where each Certificate Option is encoded as a name (string) and buffer of data (string packed in a buffer) * - * Then the entire name + data strings are added as bytes (which will get a length prefix) + * Then the entire name (string) + data (buffer) are added as bytes (which will get a length prefix) * * @param charset {@link Charset} to use for converting bytes to characters * @return the parsed result, never {@code null}, but possibly empty */ public List<OpenSshCertificate.CertificateOption> getCertificateOptions(Charset charset) { - // pull out entire Critical Options section - final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); - List<OpenSshCertificate.CertificateOption> list = new ArrayList<>(); - while (optionBuffer.available() > 0) { - String name = optionBuffer.getString(charset); - String data = GenericUtils.trimToEmpty(optionBuffer.getString(charset)); - list.add(new OpenSshCertificate.CertificateOption(name, data.length() > 0 ? data : null)); + if (available() > 0) { + // pull out entire Certificate Options section + final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); Review Comment: No need for *final* keyword ########## sshd-common/src/main/java/org/apache/sshd/common/util/buffer/Buffer.java: ########## @@ -348,29 +348,36 @@ public List<OpenSshCertificate.CertificateOption> getCertificateOptions() { /** * According to <A HREF= - * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L222-L262">PROTOCOL.certkeys</A>: + * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L221-L319">PROTOCOL.certkeys</A>: * * Critical Options is a set of bytes that is * - * [overall length][name(string)][data(string)]... + * [overall length][name(string)][[length of buffer][[length of string][data(string)]]]... * - * Where each Critical Option is encoded as a name (string) and data (string) + * Where each Certificate Option is encoded as a name (string) and buffer of data (string packed in a buffer) * - * Then the entire name + data strings are added as bytes (which will get a length prefix) + * Then the entire name (string) + data (buffer) are added as bytes (which will get a length prefix) * * @param charset {@link Charset} to use for converting bytes to characters * @return the parsed result, never {@code null}, but possibly empty */ public List<OpenSshCertificate.CertificateOption> getCertificateOptions(Charset charset) { - // pull out entire Critical Options section - final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); - List<OpenSshCertificate.CertificateOption> list = new ArrayList<>(); - while (optionBuffer.available() > 0) { - String name = optionBuffer.getString(charset); - String data = GenericUtils.trimToEmpty(optionBuffer.getString(charset)); - list.add(new OpenSshCertificate.CertificateOption(name, data.length() > 0 ? data : null)); + if (available() > 0) { + // pull out entire Certificate Options section + final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); Review Comment: Why can't it be `Buffer optionBuffer = new ...` - are you using any *ByteArrayBuffer* methods that are not available via the *Buffer* class ? Hint: recommend to use the "weakest" variable type you need and not what you know its full type is. ########## sshd-common/src/main/java/org/apache/sshd/common/util/buffer/Buffer.java: ########## @@ -348,29 +348,36 @@ public List<OpenSshCertificate.CertificateOption> getCertificateOptions() { /** * According to <A HREF= - * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L222-L262">PROTOCOL.certkeys</A>: + * "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.certkeys#L221-L319">PROTOCOL.certkeys</A>: * * Critical Options is a set of bytes that is * - * [overall length][name(string)][data(string)]... + * [overall length][name(string)][[length of buffer][[length of string][data(string)]]]... * - * Where each Critical Option is encoded as a name (string) and data (string) + * Where each Certificate Option is encoded as a name (string) and buffer of data (string packed in a buffer) * - * Then the entire name + data strings are added as bytes (which will get a length prefix) + * Then the entire name (string) + data (buffer) are added as bytes (which will get a length prefix) * * @param charset {@link Charset} to use for converting bytes to characters * @return the parsed result, never {@code null}, but possibly empty */ public List<OpenSshCertificate.CertificateOption> getCertificateOptions(Charset charset) { - // pull out entire Critical Options section - final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); - List<OpenSshCertificate.CertificateOption> list = new ArrayList<>(); - while (optionBuffer.available() > 0) { - String name = optionBuffer.getString(charset); - String data = GenericUtils.trimToEmpty(optionBuffer.getString(charset)); - list.add(new OpenSshCertificate.CertificateOption(name, data.length() > 0 ? data : null)); + if (available() > 0) { + // pull out entire Certificate Options section + final ByteArrayBuffer optionBuffer = new ByteArrayBuffer(getBytes()); + + while (optionBuffer.available() > 0) { + String name = optionBuffer.getString(charset); + String data = null; + final ByteArrayBuffer dataBuffer = new ByteArrayBuffer(optionBuffer.getBytes()); Review Comment: Same remarks as before (including no need for *final*) ########## sshd-core/src/main/java/org/apache/sshd/certificate/OpenSshCertificateBuilder.java: ########## @@ -104,7 +110,21 @@ public OpenSshCertificateBuilder principals(Collection<String> principals) { } public OpenSshCertificateBuilder criticalOptions(List<OpenSshCertificate.CertificateOption> criticalOptions) { - this.criticalOptions = criticalOptions; + if (criticalOptions != null && !criticalOptions.isEmpty()) { + // check if any duplicates + Set<String> names = new HashSet<String>(); Review Comment: No need to specify type of *HashSet* use diamond... -- This is an automated message from the Apache Git Service. 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