James He created GUACAMOLE-400:
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Summary: guacd crashes when fails to load private key for ssh
Key: GUACAMOLE-400
URL: https://issues.apache.org/jira/browse/GUACAMOLE-400
Project: Guacamole
Issue Type: Bug
Components: guacd
Affects Versions: 0.9.13-incubating
Environment: x86_64 GNU/Linux
Reporter: James He
Fix For: 0.9.14-incubating
Steps:
- Generate a RSA key pair with ssh-keygen on Linux. Set private key passphrase.
- Configure the public key on a SSH server.
- Configure a SSH connection with the private key for authentication.
Intentionally set a wrong passphrase!!
- Start the SSH connection from web portal.
- Fail to connect to the SSH server due to the wrong passphrase. This is the
expected behavior.
Result:
guacd always crashes when fails to load private key for ssh.
(gdb) bt
#0 0x00002aaaae365596 in guac_common_ssh_authenticate
(common_session=0x2aaab851d080) at ssh.c:300
#1 0x00002aaaae365c2c in guac_common_ssh_create_session (client=0x2aaab000ac40,
hostname=0xe16e20 "10.148.38.168", port=0xe17100 "4118", user=0x0) at ssh.c:520
#2 0x00002aaaae35e01c in ssh_client_thread (data=0x2aaab000ac40) at ssh.c:220
#3 0x00002aaaab8521a4 in start_thread (arg=0x2aaab5001700) at
pthread_create.c:309
#4 0x00002aaaabd5965d in clone () from /lib64/libc.so.6
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