pietrygamat opened a new issue, #351:
URL: https://github.com/apache/mina-sshd/issues/351
### Version
2.9.2
### Bug description
I have a ~/.ssh/config similar to this:
```
Host bastion
Hostname 1.2.3.4
User username
IdentityFile ~/.ssh/id_rsa
Host server1
ProxyJump bastion
```
Commandline ssh client works no problem for calls such as
```
ssh serverUser@server1
ssh bastion
```
and correctly assume port 22 is to be used.
However the sshClient does not assume default port for jumps, and results in
exception:
```
try(SshClient sshClient = SshClient.setUpDefaultClient()) {
sshClient.setHostConfigEntryResolver(new
ConfigFileHostEntryResolver(sshConfigFile));
sshClient.start();
sshClient.connect("serverUser", "server1", 22);
} catch (Exception e) {
throw new IllegalStateException(e);
}
```
### Actual behavior
The jump entry is resolved as `bastion: username@1.2.3.4:-1`
```
Caused by: java.lang.IllegalArgumentException: Invalid port: -1
at
org.apache.sshd.common.util.ValidateUtils.createFormattedException(ValidateUtils.java:213)
~[sshd-common-2.9.2.jar:2.9.2]
at
org.apache.sshd.common.util.ValidateUtils.throwIllegalArgumentException(ValidateUtils.java:179)
~[sshd-common-2.9.2.jar:2.9.2]
at
org.apache.sshd.common.util.ValidateUtils.checkTrue(ValidateUtils.java:162)
~[sshd-common-2.9.2.jar:2.9.2]
at org.apache.sshd.client.SshClient.doConnect(SshClient.java:556)
~[sshd-core-2.9.2.jar:2.9.2]
at org.apache.sshd.client.SshClient.doConnect(SshClient.java:568)
~[sshd-core-2.9.2.jar:2.9.2]
at org.apache.sshd.client.SshClient.connect(SshClient.java:546)
~[sshd-core-2.9.2.jar:2.9.2]
at org.apache.sshd.client.SshClient.connect(SshClient.java:538)
~[sshd-core-2.9.2.jar:2.9.2]
at
org.apache.sshd.client.session.ClientSessionCreator.connect(ClientSessionCreator.java:74)
~[sshd-core-2.9.2.jar:2.9.2]
at
org.apache.sshd.client.session.ClientSessionCreator.connect(ClientSessionCreator.java:57)
~[sshd-core-2.9.2.jar:2.9.2]
```
### Expected behavior
Perhaps
`org.apache.sshd.client.config.hosts.HostConfigEntry#resolvePort(int, int)`
when given two invalid arguments:
originalPort = -1 // from parsing URI
entryPort = 0 // from
should resolve to protocol default, and act the same way as commandline
client would given the same set of data?
### Relevant log output
_No response_
### Other information
_No response_
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