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Support for SSH Key Auth in Net::SSH2 #42

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Support for SSH Key Auth in Net::SSH2 #42

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0066b5e
First go at SSH Key Auth - Updated for Net::SSH2 - Bits copied from h…
jackson-tim Nov 14, 2019
c58f5d3
Use auth instead of auth_publickey
jackson-tim Nov 14, 2019
8467e7f
Use privatekey instead of privatekey_path
jackson-tim Nov 14, 2019
a253cda
Added support for passing private+public key for key auth
jackson-tim Nov 15, 2019
09eb406
Private+Public keys both needed in Net::SSH2 on ubuntu 16.04
jackson-tim Nov 16, 2019
9d62fe7
POD updates
jackson-tim Nov 16, 2019
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18 changes: 15 additions & 3 deletions lib/Net/Netconf/Access/ssh.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,21 @@ sub start {
$self->trace("SSH connection succeeded!");

$self->trace("Performing SSH authentication");
$ssh2->auth(username => $self->{'login'},
password => $self->{'password'});
croak "SSH authentication failed" if(!$ssh2->auth_ok() or $ssh2->error());
if (exists $self->{'password'}) {
$self->trace("Using password");
$ssh2->auth(username => $self->{'login'},
password => $self->{'password'});
} elsif (exists $self->{'private_keyfile'} && exists $self->{'public_keyfile'}) {
$self->trace("Using private key " . $self->{'private_keyfile'} . " and public key " . $self->{'public_keyfile'});
$ssh2->auth(username => $self->{'login'},
privatekey => $self->{'private_keyfile'},
publickey => $self->{'public_keyfile'});
} elsif (exists $self->{'private_keyfile'}) {
$self->trace("Using ONLY private key " . $self->{'private_keyfile'});
$ssh2->auth(username => $self->{'login'},
privatekey => $self->{'private_keyfile'});
}
croak "SSH authentication failed " . $ssh2->error() if(!$ssh2->auth_ok() or $ssh2->error());
$self->trace("Authentication succeeded!");

$self->trace("Requesting SSH channel...");
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11 changes: 10 additions & 1 deletion lib/Net/Netconf/Device.pm
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Expand Up @@ -120,7 +120,14 @@ sub new
# Make sure we have 'login', 'hostname' and 'password'
croak 'missing information <hostname>' unless exists $args{'hostname'};
croak 'missing information <login>' unless exists $args{'login'};
croak 'missing information <password>' unless exists $args{'password'};
## Only die if password is unset and keyfile is unset...
if (!defined($args{'private_keyfile'})) { croak 'missing information <password>' unless exists $args{'password'} ; }

## Only die if keyfile is unset and password is unset...
if (!defined($args{'password'})) { croak 'missing information <private_keyfile>' unless exists $args{'private_keyfile'} ; }

## check to see if the keyfile actually exists
if (!defined($args{'password'})) { croak '<private_keyfile> not found in specified location' unless (-e $args{'private_keyfile'}); }

# SAX Parser
my $handler = new Net::Netconf::SAXHandler('ErrorContext' => 5);
Expand Down Expand Up @@ -704,6 +711,8 @@ It also does error handling.
'hostname' => 'routername',
'login' => 'loginname',
'password' => 'secret',
'private_key' => 'private_key_path',
'public_key' => 'public_key_path',
'access' => 'ssh',
'server' => 'netconf',
'debug_level' => 1,
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2 changes: 2 additions & 0 deletions lib/Net/Netconf/Manager.pm
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Expand Up @@ -67,6 +67,8 @@ It also does error handling.
'hostname' => 'routername',
'login' => 'loginname',
'password' => 'secret',
'private_keyfile' => 'private_keyfile_path',
'public_keyfile' => 'public_keyfile_path',
'access' => 'ssh',
'server' => 'netconf',
'command' => 'junoscript netconf',
Expand Down