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More GSSAPI on Windows: user auth hangs?
- Subject: More GSSAPI on Windows: user auth hangs?
- From: "Kerrison, Adam" <Adam_Kerrison@xxxxxxx>
- Reply-to: libssh@xxxxxxxxxx
- Date: Mon, 23 Aug 2021 16:10:22 +0000
- To: "libssh@xxxxxxxxxx" <libssh@xxxxxxxxxx>
I’ve spent a while trying to test the GSSAPI support on Windows and I can’t make it work ☹ I’ve attached a simple program which just tries to connect and authenticate with a server. It assumes you have a valid Kerberos configuration and a ticket. If I run this on Linux is just works. On Windows, it hangs in ssh_userauth_gssapi(). The program enables packet level logging and on Windows I see this before it hangs: [2021/08/23 17:01:39.112369, 4] ssh_socket_pollcallback: Poll callback on socket 756 (POLLIN ), out buffer 0 [2021/08/23 17:01:39.112369, 3] ssh_packet_socket_callback: packet: read type 61 [len=176,padding=15,comp=160,payload=160] [2021/08/23 17:01:39.113484, 3] ssh_packet_process: Dispatching handler for packet type 61 Packet type 61 -> SSH2_MSG_USERAUTH_GSSAPI_TOKEN On Linux, I see the same message sequence but immediately followed by: [2021/08/23 17:05:07.856296, 3] ssh_packet_userauth_gssapi_token_client: Received SSH_MSG_USERAUTH_GSSAPI_TOKEN I think this must be something about how I’ve built libssh but its odd as the first part of the GSSAPI auth definitely works (I see the GSSAPI: sending token message for example). I’d also expect things to crash if the function was missing (i.e. a NULL pointer) I’m not holding out a lot of hope that anyone will have a clue about what is going on here but I thought I’d ask anyway … Adam BMC Software Limited Registered Office: Building E2, Eskdale Road, Winnersh, Wokingham, Berkshire, United Kingdom, RG41 5TS Registered in England No. 1927903 The content of this email is confidential. If you are not the addressee, you may not distribute, copy or disclose any part of it. If you receive this message in error, please delete this from your system and notify the sender immediately.
|Re: More GSSAPI on Windows: user auth hangs?||Jakub Jelen <jjelen@xxxxxxxxxx>|