- fix version checking patch to detect at runtime, not compiletime

- update ssh_cmd to accept named params & stdin_string

diff --git a/Changes b/Changes
index fd7ed17..8d6dd25 100644 (file)
--- a/Changes
+++ b/Changes
@@ -3,6 +3,8 @@ Revision history for Perl extension Net::SSH.
 0.06  unreleased
        - patch from Anthony Awtrey <tony@awtrey.com> to use s/=/ / in -o
          options again if OpenSSH v1 is detected
+       - fix patch to detect at runtime, not compiletime
+       - update ssh_cmd to accept named params & stdin_string
 
 0.05  Fri Feb 15 15:46:00 2002
        - brainfart mis-credit

diff --git a/SSH.pm b/SSH.pm
index b5391d5..0fe98cf 100644 (file)
--- a/SSH.pm
+++ b/SSH.pm
@@ -15,19 +15,6 @@ $DEBUG = 0;
 
 $ssh = "ssh";
 
-my $reader = IO::File->new();
-my $writer = IO::File->new();
-my $error  = IO::File->new();
-open3($writer, $reader, $error, $ssh, '-V');
-my $ssh_version = <$error>;
-chomp($ssh_version);
-$ssh_version =~ s/.*OpenSSH[-|_](\w+?)\.\w+?\.\w+?.*/$1/g;
-if ($ssh_version == 1) {
-  $equalspace = " ";
-} else {
-  $equalspace = "=";
-}
-
 =head1 NAME
 
 Net::SSH - Perl extension for secure shell
@@ -41,6 +28,13 @@ Net::SSH - Perl extension for secure shell
   issh('user@hostname', $command);
 
   ssh_cmd('user@hostname', $command);
+  ssh_cmd( {
+    user => 'user',
+    host => 'host.name',
+    command => 'command',
+    args => [ '-arg1', '-arg2' ],
+    stdin_string => "string\n",
+  } );
 
   sshopen2('user@hostname', $reader, $writer, $command);
 
@@ -65,6 +59,7 @@ Calls ssh in batch mode.
 
 sub ssh {
   my($host, @command) = @_;
+  &_check_ssh_version unless defined $equalspace;
   my @cmd = ($ssh, '-o', 'BatchMode'.$equalspace.'yes', $host, @command);
   warn "[Net::SSH::ssh] executing ". join(' ', @cmd). "\n"
     if $DEBUG;
@@ -89,22 +84,46 @@ sub issh {
 
 =item ssh_cmd [USER@]HOST, COMMAND [, ARGS ... ]
 
+=item ssh_cmd OPTIONS_HASHREF
+
 Calls ssh in batch mode.  Throws a fatal error if data occurs on the command's
 STDERR.  Returns any data from the command's STDOUT.
 
+If using the hashref-style of passing arguments, possible keys are:
+
+  user (optional)
+  host (requried)
+  command (required)
+  args (optional, arrayref)
+  stdin_string (optional) - written to the command's STDIN
+
 =cut
 
 sub ssh_cmd {
-  my($host, @command) = @_;
+  my($host, $stdin_string, @command);
+  if ( ref($_[0]) ) {
+    my $opt = shift;
+    $host = $opt->{host};
+    $host = $opt->{user}. '@'. $host if exists $opt->{user};
+    @command = ( $opt->{command} );
+    push @command, @{ $opt->{args} } if exists $opt->{args};
+    my $stdin_string = $opt->{stdin_string};
+  } else {
+    ($host, @command) = @_;
+    undef $stdin_string;
+  }
 
   my $reader = IO::File->new();
   my $writer = IO::File->new();
   my $error  = IO::File->new();
 
-  sshopen3( $host, $reader, $writer, $error, @command ) or die $!;
+  sshopen3( $host, $writer, $reader, $error, @command ) or die $!;
+
+  print $writer $stdin_string if defined $stdin_string;
+  close $writer;
 
   local $/ = undef;
-  my $output_stream = <$writer>;
+  my $output_stream = <$reader>;
   my $error_stream = <$error>;
 
   if ( length $error_stream ) {
@@ -123,6 +142,7 @@ Connects the supplied filehandles to the ssh process (in batch mode).
 
 sub sshopen2 {
   my($host, $reader, $writer, @command) = @_;
+  &_check_ssh_version unless defined $equalspace;
   open2($reader, $writer, $ssh, '-o', 'BatchMode'.$equalspace.'yes', $host, @command);
 }
 
@@ -134,6 +154,7 @@ Connects the supplied filehandles to the ssh process (in batch mode).
 
 sub sshopen3 {
   my($host, $writer, $reader, $error, @command) = @_;
+  &_check_ssh_version unless defined $equalspace;
   open3($writer, $reader, $error, $ssh, '-o', 'BatchMode'.$equalspace.'yes', $host, @command);
 }
 
@@ -143,6 +164,21 @@ sub _yesno {
   $x =~ /^y/i;
 }
 
+sub _check_ssh_version {
+  my $reader = IO::File->new();
+  my $writer = IO::File->new();
+  my $error  = IO::File->new();
+  open3($writer, $reader, $error, $ssh, '-V');
+  my $ssh_version = <$error>;
+  chomp($ssh_version);
+  $ssh_version =~ s/.*OpenSSH[-|_](\w+?)\.\w+?\.\w+?.*/$1/g;
+  if ($ssh_version == 1) {
+    $equalspace = " ";
+  } else {
+    $equalspace = "=";
+  }
+}
+
 =back
 
 =head1 EXAMPLE