gantzm opened a new issue, #392:
URL: https://github.com/apache/mina-sshd/issues/392
### Version
2.10.0
### Bug description
I'm attempting to scp a file from a Dropbear instance. I don't have
permissions to copy the file. Dropbear reports permission denied, but that
failure is never reported up to the calling code.
### Actual behavior
The ScpHelper class logged this:
`receiveNextCmd - ACK=1: scp: /directory1/directory2/file.xml: Permission
denied`
But this error appears to get ignored and never reported back to my calling
code. I don't receive any calls to my instance of ScpTransferEventListener.
The call to download on the ScpClient just returns, no exceptions or anything.
When I look at the code in ScpHelper it appears to just log the error ACK
and continue on:
```
// NOTE: we rely on the fact that an SCP command does not start with an
ACK code
protected int receiveNextCmd() throws IOException {
int c = in.read();
if (c == -1) {
return c;
}
if (c == ScpAckInfo.OK) {
return c;
}
if ((c == ScpAckInfo.WARNING) || (c == ScpAckInfo.ERROR)) {
String line = ScpIoUtils.readLine(in, csIn, true);
if (log.isDebugEnabled()) {
log.debug("receiveNextCmd - ACK={}", new ScpAckInfo(c,
line));
}
}
return c;
}
```
### Expected behavior
I would expect this information to show up in the ScpAckInfo parameter of a
call to handleFileEventAckInfo. Or possibly an exception thrown to indicate a
failure.
### Relevant log output
```Shell
receiveNextCmd - ACK=1: scp: /directory1/directory2/file.xml: Permission
denied
```
### Other information
_No response_
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