search for: subsystem_none

...travel to the ForceCommand section to execute internal-sftp in do_exec() function, the source code just use IS_INTERNAL_SFTP(command) to check whether sshd want to use ForceCommand to execute internal-sftp or not and do not judge which requirement from client, that means when our customers use ssh (SUBSYSTEM_NONE) to connect to sshd but they have configured to use ForceCommand to execute internal-sftp, the logic error will happened (None Subsystem client connected to the internal-sftp Subsystem server), it looks like this is the root cause about this hang. Based on the root cause, I have generated a tempor...