[
https://issues.apache.org/jira/browse/SSHD-1297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Hammer updated SSHD-1297:
--------------------------------
Description:
Hi SSHD gurus,
I'm attempting to utilize
{{org.apache.sshd.common.util.buffer.ByteArrayBuffer}} to load a
{{java.security.PublicKey}}, in-order to subsequently register the public key
in a {{{}org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator{}}}.
Ie. the idea is something like this
{code:java}
PublicKey myPublicKey;
try (InputStream is = new
FileInputStream("/home/my-user/tmp/test_rsa_key.pub")) {
ByteArrayBuffer buffer = new
ByteArrayBuffer(org.apache.sshd.common.util.io.IoUtils.IoUtils.toByteArray(is));
myPublicKey = buffer.getPublicKey(); // -> OutOfMemoryError: Java heap space
..?
// myPublicKey = buffer.getRawPublicKey(); // -> Underflow ..?
}
ServerBuilder.builder()
.publickeyAuthenticator(new KeySetPublickeyAuthenticator("my id",
List.of(myPublicKey)))
.build();
{code}
Resulting in the below exceptions, caused by internal guarding in
{{ByteArrayBuffer}} before the {{ByteArrayBuffer.data}} would be processed.
{{{}getPublicKey(){}}}:
{code:java}
java.lang.OutOfMemoryError: Java heap space
at
org.apache.sshd.common.util.buffer.ByteArrayBuffer.ensureCapacity(ByteArrayBuffer.java:277)
at
org.apache.sshd.common.util.buffer.Buffer.ensureCapacity(Buffer.java:1105)
at
org.apache.sshd.common.util.buffer.ByteArrayBuffer.wpos(ByteArrayBuffer.java:139)
at
org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:521)
at
org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:505)
{code}
{{{}getRawPublicKey(){}}}:
{code:java}
org.apache.sshd.common.util.buffer.BufferException: Underflow:
requested=1936943149, available=737
at
app//org.apache.sshd.common.util.buffer.Buffer.ensureAvailable(Buffer.java:640)
at
app//org.apache.sshd.common.util.buffer.ByteArrayBuffer.getString(ByteArrayBuffer.java:241)
at
app//org.apache.sshd.common.util.buffer.Buffer.getString(Buffer.java:309)
at
app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:541)
at
app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:530)
{code}
Seemingly my approach is incompatible with the available logic, unfortunately
I've been unable to uncover documentation or Javadoc that could aid.
So as a last resort I'm turning to you gurus, in hopes of enlightenment (+
perhaps a PR guiding future developers in the desired direction via
documentation / Javadoc).
Thanks in advance 🙏
was:
Hi SSHD gurus,
I'm attempting to utilize
{{org.apache.sshd.common.util.buffer.ByteArrayBuffer}} to load a
{{java.security.PublicKey}} in-order to subsequently register the public key in
a {{{}org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator{}}}.
Ie. the idea is something like this
{code:java}
PublicKey myPublicKey;
try (InputStream is = new
FileInputStream("/home/my-user/tmp/test_rsa_key.pub")) {
ByteArrayBuffer buffer = new
ByteArrayBuffer(org.apache.sshd.common.util.io.IoUtils.IoUtils.toByteArray(is));
myPublicKey = buffer.getPublicKey(); // -> OutOfMemoryError: Java heap space
..?
// myPublicKey = buffer.getRawPublicKey(); // -> Underflow ..?
}
ServerBuilder.builder()
.publickeyAuthenticator(new KeySetPublickeyAuthenticator("my id",
List.of(myPublicKey)))
.build();
{code}
Resulting in the below exceptions, caused by internal guarding in
{{ByteArrayBuffer}} before the {{ByteArrayBuffer.data}} would be processed.
{{{}getPublicKey(){}}}:
{code:java}
java.lang.OutOfMemoryError: Java heap space
at
org.apache.sshd.common.util.buffer.ByteArrayBuffer.ensureCapacity(ByteArrayBuffer.java:277)
at
org.apache.sshd.common.util.buffer.Buffer.ensureCapacity(Buffer.java:1105)
at
org.apache.sshd.common.util.buffer.ByteArrayBuffer.wpos(ByteArrayBuffer.java:139)
at
org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:521)
at
org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:505)
{code}
{{{}getRawPublicKey(){}}}:
{code:java}
org.apache.sshd.common.util.buffer.BufferException: Underflow:
requested=1936943149, available=737
at
app//org.apache.sshd.common.util.buffer.Buffer.ensureAvailable(Buffer.java:640)
at
app//org.apache.sshd.common.util.buffer.ByteArrayBuffer.getString(ByteArrayBuffer.java:241)
at
app//org.apache.sshd.common.util.buffer.Buffer.getString(Buffer.java:309)
at
app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:541)
at
app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:530)
{code}
Seemingly my approach is incompatible with the available logic, unfortunately
I've been unable to uncover documentation or Javadoc that could aid.
So as a last resort I'm turning to you gurus, in hopes of enlightenment (+
perhaps a PR guiding future developers in the desired direction via
documentation / Javadoc).
Thanks in advance 🙏
> Load public key from file
> -------------------------
>
> Key: SSHD-1297
> URL: https://issues.apache.org/jira/browse/SSHD-1297
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.9.1
> Reporter: Daniel Hammer
> Priority: Minor
>
> Hi SSHD gurus,
> I'm attempting to utilize
> {{org.apache.sshd.common.util.buffer.ByteArrayBuffer}} to load a
> {{java.security.PublicKey}}, in-order to subsequently register the public key
> in a {{{}org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator{}}}.
> Ie. the idea is something like this
> {code:java}
> PublicKey myPublicKey;
> try (InputStream is = new
> FileInputStream("/home/my-user/tmp/test_rsa_key.pub")) {
> ByteArrayBuffer buffer = new
> ByteArrayBuffer(org.apache.sshd.common.util.io.IoUtils.IoUtils.toByteArray(is));
> myPublicKey = buffer.getPublicKey(); // -> OutOfMemoryError: Java heap
> space ..?
> // myPublicKey = buffer.getRawPublicKey(); // -> Underflow ..?
> }
> ServerBuilder.builder()
> .publickeyAuthenticator(new KeySetPublickeyAuthenticator("my id",
> List.of(myPublicKey)))
> .build();
> {code}
> Resulting in the below exceptions, caused by internal guarding in
> {{ByteArrayBuffer}} before the {{ByteArrayBuffer.data}} would be processed.
> {{{}getPublicKey(){}}}:
> {code:java}
> java.lang.OutOfMemoryError: Java heap space
> at
> org.apache.sshd.common.util.buffer.ByteArrayBuffer.ensureCapacity(ByteArrayBuffer.java:277)
> at
> org.apache.sshd.common.util.buffer.Buffer.ensureCapacity(Buffer.java:1105)
> at
> org.apache.sshd.common.util.buffer.ByteArrayBuffer.wpos(ByteArrayBuffer.java:139)
> at
> org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:521)
> at
> org.apache.sshd.common.util.buffer.Buffer.getPublicKey(Buffer.java:505)
> {code}
> {{{}getRawPublicKey(){}}}:
> {code:java}
> org.apache.sshd.common.util.buffer.BufferException: Underflow:
> requested=1936943149, available=737
> at
> app//org.apache.sshd.common.util.buffer.Buffer.ensureAvailable(Buffer.java:640)
> at
> app//org.apache.sshd.common.util.buffer.ByteArrayBuffer.getString(ByteArrayBuffer.java:241)
> at
> app//org.apache.sshd.common.util.buffer.Buffer.getString(Buffer.java:309)
> at
> app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:541)
> at
> app//org.apache.sshd.common.util.buffer.Buffer.getRawPublicKey(Buffer.java:530)
> {code}
> Seemingly my approach is incompatible with the available logic, unfortunately
> I've been unable to uncover documentation or Javadoc that could aid.
> So as a last resort I'm turning to you gurus, in hopes of enlightenment (+
> perhaps a PR guiding future developers in the desired direction via
> documentation / Javadoc).
> Thanks in advance 🙏
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