I'm trying to write a fairly simple script that will ssh to a remote host, run a command and capture the output. Now the basics are fairly easy but what I need a little help with is the connection phase.

The plan for connection is

    1) Use ssh keys in memory (ssh-agent)
    2) Use my account with known password
    3) Use known local account with known password.
    4) Use root with my keys
    5) Use root with known password from a list
    6) Give up and report error.
The idea is that it will use the first connection it can make.

Now I can trap the $ssh->login with eval{} and that's fine.

Question : how do I chain eval's or whatever mechanism to accomplish this without the program falling over. 

use Net::SSH::Perl;

while (my $server = <read from file>) {
   chomp $server;
   print $server;
   my $ssh = SSHConnect($server);
...
}

sub SSHConnect {
   my $server = shift;
   my $ssh = Net::SSH::Perl->new($server,protocol=>'2,1');
   eval {
      $ssh->login();
   };
   if ($@) {
       warn "Some error message about $server";
   };
   return $ssh;
}

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In reply to Net::SSH::Perl failback connection by tweetiepooh

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