Developers, I've ran into a bug that's causing me some serious trouble using the libssh2 library. I'm trying to get x11 forwarding working on my custom ssh client and am having problems creating more than one channel. I was browsing the bug repository and noticed that two other people have written up bug reports for what I believe is the same issue. The two bug reports are here for quick reference:
http://sourceforge.net/tracker/index.php?func=detail&aid=1878973&group_id=125852&atid=703942 http://sourceforge.net/tracker/index.php?func=detail&aid=1902169&group_id=125852&atid=703942 In good spirits of trying to see if I can shed some light on whats going wrong, I made an interesting discovery that I think might help. I've found that If I create two channels (one is setup and has a pty and shell allocated on it) one after the other, the second channel creation always fails and returns a NULL pointer. What I found interesting is that by watching the ssh daemon's debugging output, both channels ARE created successfully. Yet libssh2 returns a NULL pointer for the 2nd channel. I experimented further and did something like this: create first channel create 2nd channel if 2nd channel creation fails retry channel creation Now this works, but whats really interesting here is that: 1st channel creation goes through (seen on server as successful) and libssh2 returns valid channel pointer 2nd channel creation goes through (seen on server as successful) and libssh2 returns NULL 3rd channel creation (retrying..channel create) goes through (nothing seen on server log) and libssh2 returns valid channel pointer Hope this explanation helps with this bug. Kinda seems like something is getting messed up in the depths of the libssh2_packet_requirev_ex function.... Paul ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ libssh2-devel mailing list libssh2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libssh2-devel
