193 lines
6 KiB
Plaintext
193 lines
6 KiB
Plaintext
|
#!/usr/bin/perl
|
||
|
|
# Note : you may have to edit path to Perl above, according to your system setup
|
||
|
|
|
||
|
|
#
|
||
|
|
# modified for ssh+chroot setup by Anton Berezin <tobez@plab.ku.dk> #
|
||
|
|
# Synopsys : scvs -d :pserver:cvs@www.stlport.com/stlport <cvs command> # (this is for read-only anonymous access via "cvs" user)
|
||
|
|
# Please use your cvs login name if you have one instead of "cvs" above, to be able to commit your changes
|
||
|
|
#
|
||
|
|
|
||
|
|
|
||
|
|
#--
|
||
|
|
# tunable variables
|
||
|
|
#--
|
||
|
|
|
||
|
|
# Set this if it does not work otherwise
|
||
|
|
# $tune_cvs_server_name = "cvs.stlport.com";
|
||
|
|
|
||
|
|
# where cvs program is located on the client system
|
||
|
|
$tune_local_cvs_cmd = "cvs";
|
||
|
|
|
||
|
|
# remote pserver port to use
|
||
|
|
# for explanation, see
|
||
|
|
# http://www.prima.eu.org/tobez/cvs-howto.html#inetd
|
||
|
|
$tune_remote_cvs_port = 2410;
|
||
|
|
|
||
|
|
# local pserver port; you probably don't want to change this
|
||
|
|
$tune_local_cvs_port = 2401;
|
||
|
|
|
||
|
|
# ssh command to use; the default is good for UNIX clients
|
||
|
|
$tune_ssh_cmd = "ssh";
|
||
|
|
|
||
|
|
# the user on the server side cvs runs as
|
||
|
|
$tune_ssh_user = "cvs";
|
||
|
|
|
||
|
|
#--
|
||
|
|
# end of tunable variables
|
||
|
|
# there is no need to modify anything below
|
||
|
|
#--
|
||
|
|
|
||
|
|
#############################################################################
|
||
|
|
# CVS settings
|
||
|
|
|
||
|
|
$CVS_CMD=$tune_local_cvs_cmd;
|
||
|
|
|
||
|
|
$CVS_PORT=$tune_remote_cvs_port;
|
||
|
|
$CVS_LOCAL_PORT=$tune_local_cvs_port;
|
||
|
|
|
||
|
|
# the values below will be needed only if the repository is specified via the
|
||
|
|
# command line or the CVSROOT environment variable, and in those cases they
|
||
|
|
# will be extracted from there. However, for funny results you can uncomment
|
||
|
|
# these two lines.
|
||
|
|
# $CVS_HOST="www.stlport.com";
|
||
|
|
# $CVS_USER="cvs";
|
||
|
|
|
||
|
|
#############################################################################
|
||
|
|
# SSH settings
|
||
|
|
|
||
|
|
# ssh2 does not seem to work with our -L port:host:hostport argument, so make
|
||
|
|
# sure we will use ssh1.
|
||
|
|
$SSH_CMD=$tune_ssh_cmd;
|
||
|
|
|
||
|
|
# This should be the user on whose behalf the tunneling is made. It is
|
||
|
|
# typically a user that cannot do any harm, has no password and uses a program
|
||
|
|
# like nologin (but one that will wait) as a shell.
|
||
|
|
$SSH_USER=$tune_ssh_user;
|
||
|
|
|
||
|
|
# This value should also automagically be set from the repository name.
|
||
|
|
# However, if that host is not running sshd, you may want to tunnel through
|
||
|
|
# another host and modify and uncomment the line below.
|
||
|
|
# $SSH_HOST=$CVS_HOST
|
||
|
|
|
||
|
|
# This value is used if the repository cannot be determined from the
|
||
|
|
# commandline or the CVSROOT variable. Modify this for your local situation.
|
||
|
|
$SSH_DEFAULT_HOST=$tune_cvs_server_name;
|
||
|
|
|
||
|
|
# Port at which the sshd on the remote server runs. Default is 22.
|
||
|
|
# $SSH_PORT=22;
|
||
|
|
|
||
|
|
# This should be left unmodified, as it makes no sense changing this. Unless
|
||
|
|
# some future version (or perhaps even the current version) of cvs allow you
|
||
|
|
# to specify the remote repository's port.
|
||
|
|
$SSH_LOCAL_PORT=$CVS_LOCAL_PORT;
|
||
|
|
|
||
|
|
|
||
|
|
#############################################################################
|
||
|
|
# & parse_repository ({{rep}})
|
||
|
|
# . extracts the method, user, host, port and directory from {{rep}}.
|
||
|
|
# . There are four possibilities:
|
||
|
|
# - /path/to/repository
|
||
|
|
# - :method:/path/to/repository
|
||
|
|
# - :user@hostname:/path/to/repository
|
||
|
|
# - :method:user@hostname:/path/to/repository
|
||
|
|
# non-standard repositories. Has only been tested for :pserver: method.
|
||
|
|
#
|
||
|
|
sub parse_repository
|
||
|
|
{
|
||
|
|
my $rep = $_[0];
|
||
|
|
my ($dir,$user,$host,$method);
|
||
|
|
|
||
|
|
# determine the directory
|
||
|
|
$rep =~ s/:(\/.*)$// && do { $dir=$1; };
|
||
|
|
if (not $dir)
|
||
|
|
{ $rep =~ s/(\/.*)$// && do {$dir = $1; }; }
|
||
|
|
|
||
|
|
# determine the hostname and the username
|
||
|
|
$rep =~ s/:([^:]*)@(.*)$// && do { $user = $1; $host = $2; };
|
||
|
|
if (not $host)
|
||
|
|
{ $rep =~ s/:([^:]+)$// && do { $host = $1; }; }
|
||
|
|
|
||
|
|
# all that is left now is the method
|
||
|
|
$rep =~ s/^:([^:]*)// && do { $method = $1; };
|
||
|
|
|
||
|
|
# if there is still anything left, we have an error, warn the user
|
||
|
|
if ($rep)
|
||
|
|
{ print STDERR "Warning: repository parsed wrong ('$rep' ignored).\n"; }
|
||
|
|
|
||
|
|
# print STDERR "DEBUG: dir=$dir, user=$user, host=$host, method=$method\n";
|
||
|
|
return ($method, $user, $host, $dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#############################################################################
|
||
|
|
# main
|
||
|
|
|
||
|
|
# should be changed to a general cmdline parsing routine.
|
||
|
|
# get the repository's name from the commandline or the CVSROOT environment
|
||
|
|
# variable.
|
||
|
|
if ($ARGV[0] eq "-d")
|
||
|
|
{
|
||
|
|
$rep="$ARGV[1]";
|
||
|
|
shift; shift;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$rep = $ENV{'CVSROOT'};
|
||
|
|
}
|
||
|
|
|
||
|
|
# print STDERR "DEBUG: rep = $rep\n";
|
||
|
|
|
||
|
|
# parse the repository
|
||
|
|
($method, $user, $host, $dir) = parse_repository $rep;
|
||
|
|
# print "met: $method, user: $user, host: $host, dir: $dir\n";
|
||
|
|
|
||
|
|
# construct the local fake cvs server name.
|
||
|
|
if ($method) { $cvs_serv = ":$method:"; }
|
||
|
|
if ($user) { $cvs_serv .= "$user\@"; }
|
||
|
|
if ($rep) { $cvs_serv .= "localhost:"; }
|
||
|
|
if ($dir) { $cvs_serv .= $dir; }
|
||
|
|
|
||
|
|
# print STDERR "DEBUG: cvs_serv = $cvs_serv\n";
|
||
|
|
|
||
|
|
# construct the tunneling command
|
||
|
|
$SSH_HOST |= $host;
|
||
|
|
# print STDERR "DEBUG: SSH_HOST=$SSH_HOST\n";
|
||
|
|
$SSH_HOST |= $SSH_DEFAULT_HOST;
|
||
|
|
# print STDERR "DEBUG: SSH_HOST=$SSH_HOST\n";
|
||
|
|
|
||
|
|
if ($SSH_USER)
|
||
|
|
{ $ssh_serv="$SSH_USER\@$SSH_HOST"; }
|
||
|
|
else
|
||
|
|
{ $ssh_serv="$SSH_HOST"; }
|
||
|
|
|
||
|
|
# print "ssh_serv: $ssh_serv\n";
|
||
|
|
|
||
|
|
$tunnel_cmd = "$SSH_CMD $ssh_serv -x -f"
|
||
|
|
. ( ($SSH_PORT) ? " -p $(SSH_PORT)" : "" )
|
||
|
|
. " -L $SSH_LOCAL_PORT:$SSH_HOST:$CVS_PORT open";
|
||
|
|
|
||
|
|
# print STDERR "DEBUG: tunnel_cmd: $tunnel_cmd\n";
|
||
|
|
|
||
|
|
# execute the tunneling, and read the response from the server
|
||
|
|
open (TUNNELSH,"$tunnel_cmd |") or die "Could not execute $tunnel_cmd!";
|
||
|
|
chomp ($magicword = <TUNNELSH>);
|
||
|
|
# print STDERR "DEBUG: magicword = $magicword!\n";
|
||
|
|
|
||
|
|
# Now we can call system to execute the cvs command.
|
||
|
|
# print STDERR "Doing: $CVS_CMD|", ( ($cvs_serv) ? ('-d |', "$cvs_serv|") : ( ) ) , "@ARGV", "|\n";
|
||
|
|
$exitcode =
|
||
|
|
system "$CVS_CMD", ( ($cvs_serv) ? ('-d', $cvs_serv) : () ) , @ARGV;
|
||
|
|
|
||
|
|
if ($exitcode) { print STDERR "Could not execute CVS command!\n"; }
|
||
|
|
|
||
|
|
# close the tunnel
|
||
|
|
#print STDERR "DEBUG: ", ( "$SSH_CMD $ssh_serv -q -x -f"
|
||
|
|
# . ( ($SSH_PORT) ? " -p $SSH_PORT" : "" )
|
||
|
|
# . " $magicword" );
|
||
|
|
# print STDERR "before close\n";
|
||
|
|
system ( "$SSH_CMD $ssh_serv -q -x -f"
|
||
|
|
. ( ($SSH_PORT) ? " -p $SSH_PORT" : "" )
|
||
|
|
. " $magicword" );
|
||
|
|
|
||
|
|
# print STDERR "right after close\n";
|