Re: [Ssh-sftp-perl-users] Net::SFTP occasional segmentation fault
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Re: [Ssh-sftp-perl-users] Net::SFTP occasional segmentation fault
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From: Good T. <aa...@rd...> - 2007-04-12 16:45:38
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can you run it using strace? strace psftp -v localhost i'd be curious to see what it was doing (from a system call point of view) when it fails aaron -- I think to the general public, The Cure is Robert Smith and a bunch of blokes. -Robert Smith -The Cure On Thu, Apr 12, 2007 at 11:29:36AM -0500, John Dyer wrote: > HI, > > I have been trying to get SFTP going in a perl script but not having much > luck, so to simplify matters, I have been trying to connect using the psftp > client, but I am getting the same results. The odd thing is that the seg > fault happens most of the time when I launch psftp from a command line, but > occasionally I get a little further before getting a permission denied > error. If I run it through the perl debugger, I never get the seg fault. > Below are some sample outputs. > > > > This is what it looks like from the command line: > > > > ---------------------------------------------------------------------------- > --------------------- > > > > [jdyer@homer bin]$ psftp -v localhost > > Connecting to localhost... > > homer.somesite.com: Reading configuration data /home/jdyer/.ssh/config > > homer.somesite.com: Reading configuration data /etc/ssh_config > > homer.somesite.com: Connecting to localhost, port 22. > > homer.somesite.com: Remote version string: SSH-1.99-OpenSSH_3.4p1 > > > > homer.somesite.com: Remote protocol version 1.99, remote software version > OpenSSH_3.4p1 > > homer.somesite.com: Net::SSH::Perl Version 1.30, protocol version 2.0. > > homer.somesite.com: No compat match: OpenSSH_3.4p1. > > homer.somesite.com: Connection established. > > homer.somesite.com: Sent key-exchange init (KEXINIT), wait response. > > homer.somesite.com: Algorithms, c->s: 3des-cbc hmac-sha1 none > > homer.somesite.com: Algorithms, s->c: 3des-cbc hmac-sha1 none > > Segmentation fault > > > > ---------------------------------------------------------------------------- > --------------------- > > > > > > > > This is the debugger output: > > > > ---------------------------------------------------------------------------- > --------------------- > > > > [jdyer@homer bin]$ perl -d psftp -v localhost > > Default die handler restored. > > > > Loading DB routines from perl5db.pl version 1.07 > > Editor support available. > > > > Enter h or `h h' for help, or `man perldebug' for more help. > > > > main::(psftp:9): my %opts; > > DB<1> r > > Connecting to localhost... > > homer.somesite.com: Reading configuration data /home/jdyer/.ssh/config > > homer.somesite.com: Reading configuration data /etc/ssh_config > > homer.somesite.com: Connecting to localhost, port 22. > > homer.somesite.com: Remote version string: SSH-1.99-OpenSSH_3.4p1 > > > > homer.somesite.com: Remote protocol version 1.99, remote software version > OpenSSH_3.4p1 > > homer.somesite.com: Net::SSH::Perl Version 1.30, protocol version 2.0. > > homer.somesite.com: No compat match: OpenSSH_3.4p1. > > homer.somesite.com: Connection established. > > homer.somesite.com: Sent key-exchange init (KEXINIT), wait response. > > homer.somesite.com: Algorithms, c->s: 3des-cbc hmac-sha1 none > > homer.somesite.com: Algorithms, s->c: 3des-cbc hmac-sha1 none > > homer.somesite.com: Entering Diffie-Hellman Group 1 key exchange. > > homer.somesite.com: Sent DH public key, waiting for reply. > > homer.somesite.com: Received host key, type 'ssh-dss'. > > homer.somesite.com: Host 'localhost' is known and matches the host key. > > homer.somesite.com: Computing shared secret key. > > homer.somesite.com: Verifying server signature. > > homer.somesite.com: Waiting for NEWKEYS message. > > homer.somesite.com: Enabling incoming encryption/MAC/compression. > > homer.somesite.com: Send NEWKEYS, enable outgoing > encryption/MAC/compression. > > homer.somesite.com: Sending request for user-authentication service. > > homer.somesite.com: Service accepted: ssh-userauth. > > homer.somesite.com: Trying empty user-authentication request. > > homer.somesite.com: Authentication methods that can continue: > publickey,password,keyboard-interactive. > > homer.somesite.com: Next method to try is publickey. > > homer.somesite.com: Next method to try is password. > > homer.somesite.com: Trying password authentication. > > homer.somesite.com: Will not query passphrase in batch mode. > > homer.somesite.com: Authentication methods that can continue: > publickey,password,keyboard-interactive. > > homer.somesite.com: Next method to try is publickey. > > homer.somesite.com: Next method to try is password. > > homer.somesite.com: Trying password authentication. > > homer.somesite.com: Will not query passphrase in batch mode. > > homer.somesite.com: Authentication methods that can continue: > publickey,password,keyboard-interactive. > > homer.somesite.com: Next method to try is publickey. > > homer.somesite.com: Next method to try is password. > > homer.somesite.com: Trying password authentication. > > homer.somesite.com: Will not query passphrase in batch mode. > > homer.somesite.com: Authentication methods that can continue: > publickey,password,keyboard-interactive. > > homer.somesite.com: Next method to try is publickey. > > homer.somesite.com: Next method to try is password. > > Permission denied at /usr/lib/perl5/site_perl/5.6.1/Net/SFTP.pm line 37 > > Debugged program terminated. Use q to quit or R to restart, > > use O inhibit_exit to avoid stopping after program termination, > > h q, h R or h O to get additional info. > > DB<1> > > > > > > > > I am on perl 5.6.1 and I have tried versions 0.10 and 0.08 of Net::SFTP with > the same results. Any help would be greatly appreciated. > > > > Thanks, > > John > > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Ssh-sftp-perl-users mailing list > Ssh...@li... > https://lists.sourceforge.net/lists/listinfo/ssh-sftp-perl-users |
