+#!/usr/bin/perl
#
-# setup-openssh.pl:
-# Adapts the installed gsi-ssh environment to the current machine,
-# performing actions that originally occurred during the package's
-# 'make install' phase.
+# setup-openssh.pl
#
-# Parts adapted from 'fixpath', a tool found in openssh-3.0.2p1.
+# Adapts the installed gsi-openssh environment to the current machine,
+# performing actions that originally occurred during the package's
+# 'make install' phase.
#
# Send comments/fixes/suggestions to:
# Chase Phillips <cphillip@ncsa.uiuc.edu>
#
+printf("setup-openssh.pl: Configuring gsi-openssh package\n");
+
#
# Get user's GPT_LOCATION since we may be installing this using a new(er)
# version of GPT.
die "GLOBUS_LOCATION needs to be set before running this script"
}
+#
+# modify the ld library path for when we call ssh executables
+#
+
+$oldldpath = $ENV{LD_LIBRARY_PATH};
+$newldpath = "$gpath/lib";
+if (length($oldldpath) > 0)
+{
+ $newldpath .= ":$oldldpath";
+}
+$ENV{LD_LIBRARY_PATH} = "$newldpath";
+
#
# i'm including this because other perl scripts in the gpt setup directories
# do so
require Grid::GPT::Setup;
my $globusdir = $gpath;
-my $setupdir = "$globusdir/setup/globus";
my $myname = "setup-openssh.pl";
#
$exec_prefix = "${prefix}";
$bindir = "${exec_prefix}/bin";
$sbindir = "${exec_prefix}/sbin";
-$mandir = "${prefix}/man";
-$mansubdir = "man";
-$libexecdir = "${exec_prefix}/libexec";
-$sysconfdir = "/etc/ssh";
-$piddir = "/var/run";
-$xauth_path = "/usr/bin/X11/xauth";
-
-#
-# Backup-related variables
-#
-
-$curr_time = time();
-$backupdir = "/etc/ssh/globus_backup_${curr_time}";
+$sysconfdir = "$prefix/etc/ssh";
+$localsshdir = "/etc/ssh";
+$setupdir = "$prefix/setup/gsi_openssh_setup";
-#
-# Check that we are running as root
-#
-
-$uid = $>;
+my $keyfiles = {
+ "dsa" => "ssh_host_dsa_key",
+ "rsa" => "ssh_host_rsa_key",
+ "rsa1" => "ssh_host_key",
+ };
-if ($uid != 0)
+sub copyKeyFiles
{
- print "--> NOTE: You must be root to run this script! <--\n";
- exit 0;
-}
-
-#
-# We need to make sure it's okay to copy our setup files (if some files are already
-# present). If we do copy any files, we backup the old files so the user can (possibly)
-# reverse any damage.
-#
-
-sub test_dirs
-{
- print "\nPreparatory: Checking for existence of critical directories..\n";
-
- #
- # Remember to put in check for /etc
- #
-
- #
- # Test for /etc/ssh
- #
+ my($copylist) = @_;
+ my($regex, $basename);
- if ( ! -d "$sysconfdir" )
+ if (@$copylist)
{
- print "Could not find directory: '${sysconfdir}'.. creating.\n";
- mkdir($sysconfdir, 16877);
- # 16877 should be 755, or drwxr-xr-x
- }
+ print "Copying ssh host keys...\n";
- #
- # Test for /etc/ssh/globus_backup_<curr>
- #
+ for my $f (@$copylist)
+ {
+ $f =~ s:/+:/:g;
- if ( ! -d "${backupdir}" )
- {
- print "Could not find directory: '${backupdir}'.. creating.\n";
- mkdir($backupdir, 16877);
- }
+ if (length($f) > 0)
+ {
+ $keyfile = "$f";
+ $pubkeyfile = "$f.pub";
- return 0;
+ action("cp $localsshdir/$keyfile $sysconfdir/$keyfile");
+ action("cp $localsshdir/$pubkeyfile $sysconfdir/$pubkeyfile");
+ }
+ }
+ }
}
-sub backup_files
+sub isReadable
{
- print "\nStage 1: Backing up configuration files to '${backupdir}/'..\n";
+ my($file) = @_;
- if ( -e "${sysconfdir}/ssh_config" )
+ if ( ( -e $file ) && ( -r $file ) )
{
- action("cp ${sysconfdir}/ssh_config ${backupdir}/ssh_config");
+ return 1;
}
else
{
- print "${sysconfdir}/ssh_config does not exist.\n";
+ return 0;
}
+}
- if ( -e "${sysconfdir}/sshd_config" )
- {
- action("cp ${sysconfdir}/sshd_config ${backupdir}/sshd_config");
- }
- else
- {
- print "${sysconfdir}/sshd_config does not exist.\n";
- }
+sub isPresent
+{
+ my($file) = @_;
- if ( -e "${sysconfdir}/moduli" )
+ if ( -e $file )
{
- action("cp ${sysconfdir}/moduli ${backupdir}/moduli");
+ return 1;
}
else
{
- print "${sysconfdir}/moduli does not exist.\n";
+ return 0;
}
}
-sub copy_setup_files
+sub determineKeys
{
- my $response;
+ my($keyhash, $keylist);
+ my($count);
- print "\nStage 2: Copying configuration files into '${sysconfdir}'..\n";
+ #
+ # initialize our variables
+ #
- action("cp ${globusdir}/setup/globus/ssh_config ${sysconfdir}/ssh_config");
- action("cp ${globusdir}/setup/globus/sshd_config ${sysconfdir}/sshd_config");
- action("cp ${globusdir}/setup/globus/moduli ${sysconfdir}/moduli");
-}
+ $count = 0;
-sub runkeygen
-{
- print "\nStage 3: Generating ssh host keys..\n";
+ $keyhash = {};
+ $keyhash->{gen} = []; # a list of keytypes to generate
+ $keyhash->{copy} = []; # a list of files to copy from the
- if ( ! -d "${sysconfdir}" )
- {
- print "Could not find ${sysconfdir} directory... creating\n";
- mkdir($sysconfdir, 16877);
- # 16877 should be 755, or drwxr-xr-x
- }
+ $genlist = $keyhash->{gen};
+ $copylist = $keyhash->{copy};
- if ( -e "${sysconfdir}/ssh_host_key" )
- {
- print "${sysconfdir}/ssh_host_key already exists, skipping.\n";
- }
- else
- {
- # if $sysconfdir/ssh_host_key doesn't exist..
- action("$bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N \"\"");
- }
+ #
+ # loop over our keytypes and determine what we need to do for each of them
+ #
- if ( -e "${sysconfdir}/ssh_host_dsa_key" )
- {
- print "${sysconfdir}/ssh_host_dsa_key already exists, skipping.\n";
- }
- else
+ for my $keytype (keys %$keyfiles)
{
- # if $sysconfdir/ssh_host_dsa_key doesn't exist..
- action("$bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N \"\"");
+ $basekeyfile = $keyfiles->{$keytype};
+
+ #
+ # if the key's are already present, we don't need to bother with this rigamarole
+ #
+
+ $gkeyfile = "$sysconfdir/$basekeyfile";
+ $gpubkeyfile = "$sysconfdir/$basekeyfile.pub";
+
+ if ( isPresent($gkeyfile) && isPresent($gpubkeyfile) )
+ {
+ next;
+ }
+
+ #
+ # if we can find a copy of the keys in /etc/ssh, we'll copy them to the user's
+ # globus location
+ #
+
+ $mainkeyfile = "$localsshdir/$basekeyfile";
+ $mainpubkeyfile = "$localsshdir/$basekeyfile.pub";
+
+ if ( isReadable($mainkeyfile) && isReadable($mainpubkeyfile) )
+ {
+ push(@$copylist, $basekeyfile);
+ $count++;
+ next;
+ }
+
+ #
+ # otherwise, we need to generate the key
+ #
+
+ push(@$genlist, $keytype);
+ $count++;
}
- if ( -e "${sysconfdir}/ssh_host_rsa_key" )
+ if ($count > 0)
{
- print "${sysconfdir}/ssh_host_rsa_key already exists, skipping.\n";
+ if ( ! -d $sysconfdir )
+ {
+ print "Could not find ${sysconfdir} directory... creating\n";
+ action("mkdir -p $sysconfdir");
+ }
}
- else
+
+ return $keyhash;
+}
+
+sub runKeyGen
+{
+ my($gen_keys) = @_;
+ my $keygen = "$bindir/ssh-keygen";
+
+ if (@$gen_keys && -x $keygen)
{
- # if $sysconfdir/ssh_host_rsa_key doesn't exist..
- action("$bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N \"\"");
+ print "Generating ssh host keys...\n";
+
+ for my $k (@$gen_keys)
+ {
+ $keyfile = $keyfiles->{$k};
+
+ # if $sysconfdir/$keyfile doesn't exist..
+ action("$bindir/ssh-keygen -t $k -f $sysconfdir/$keyfile -N \"\"");
+ }
}
return 0;
{
my $g, $h;
- print "\nStage 4: Translating strings in config and man files..\n";
+ print "Fixing sftp-server path in sshd_config...\n";
+
+ $f = "$gpath/etc/ssh/sshd_config";
+ $g = "$f.tmp";
+
+ if ( ! -f "$f" )
+ {
+ printf("Cannot find $f!");
+ return;
+ }
#
- # Set up path translations for the installation files
+ # Grab the current mode/uid/gid for use later
#
- %def = (
- "/etc/ssh_config" => "${sysconfdir}/ssh_config",
- "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts",
- "/etc/sshd_config" => "${sysconfdir}/sshd_config",
- "/usr/libexec" => "${libexecdir}",
- "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv",
- "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key",
- "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key",
- "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key",
- "/var/run/sshd.pid" => "${piddir}/sshd.pid",
- "/etc/moduli" => "${sysconfdir}/moduli",
- "/etc/sshrc" => "${sysconfdir}/sshrc",
- "/usr/X11R6/bin/xauth" => "${xauth_path}",
- "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}",
- );
+ $mode = (stat($f))[2];
+ $uid = (stat($f))[4];
+ $gid = (stat($f))[5];
#
- # Files on which to perform path translations
+ # Move $f into a .tmp file for the translation step
#
- @files = (
- "${sysconfdir}/ssh_config",
- "${sysconfdir}/sshd_config",
- "${sysconfdir}/moduli",
- "${mandir}/${mansubdir}1/scp.1",
- "${mandir}/${mansubdir}1/ssh-add.1",
- "${mandir}/${mansubdir}1/ssh-agent.1",
- "${mandir}/${mansubdir}1/ssh-keygen.1",
- "${mandir}/${mansubdir}1/ssh-keyscan.1",
- "${mandir}/${mansubdir}1/ssh.1",
- "${mandir}/${mansubdir}8/sshd.8",
- "${mandir}/${mansubdir}8/sftp-server.8",
- "${mandir}/${mansubdir}1/sftp.1",
- );
-
- for my $f (@files)
+ $result = system("mv $f $g 2>&1");
+ if ($result or $?)
{
- $f =~ /(.*\/)*(.*)$/;
+ die "ERROR: Unable to execute command: $!\n";
+ }
+
+ open(IN, "<$g") || die ("$0: input file $g missing!\n");
+ open(OUT, ">$f") || die ("$0: unable to open output file $f!\n");
+ while (<IN>)
+ {
#
- # we really should create a random filename and make sure that it
- # doesn't already exist (based off current time_t or something)
+ # sorry for the whacky regex, but i need to verify a whole line
#
- $g = "$f.tmp";
+ if ( /^\s*Subsystem\s+sftp\s+\S+\s*$/ )
+ {
+ $_ = "Subsystem\tsftp\t$gpath/libexec/sftp-server\n";
+ $_ =~ s:/+:/:g;
+ }
+ print OUT "$_";
+ } # while <IN>
- #
- # What is $f's filename? (taken from the qualified path)
- #
+ close(OUT);
+ close(IN);
- $h = $f;
- $h =~ s#^.*/##;
+ #
+ # Remove the old .tmp file
+ #
- #
- # Grab the current mode/uid/gid for use later
- #
+ $result = system("rm $g 2>&1");
- $mode = (stat($f))[2];
- $uid = (stat($f))[4];
- $gid = (stat($f))[5];
+ if ($result or $?)
+ {
+ die "ERROR: Unable to execute command: $!\n";
+ }
- #
- # Move $f into a .tmp file for the translation step
- #
+ #
+ # An attempt to revert the new file back to the original file's
+ # mode/uid/gid
+ #
- $result = system("mv $f $g 2>&1");
- if ($result or $?)
+ chmod($mode, $f);
+ chown($uid, $gid, $f);
+
+ return 0;
+}
+
+sub alterFileGlobusLocation
+{
+ my ($in, $out) = @_;
+
+ if ( -r $in )
+ {
+ if ( ( -w $out ) || ( ! -e $out ) )
{
- die "ERROR: Unable to execute command: $!\n";
+ $data = readFile($in);
+ $data =~ s|\@GLOBUS_LOCATION\@|$gpath|g;
+ writeFile($out, $data);
+ action("chmod 755 $out");
}
+ }
+}
- open(IN, "<$g") || die ("$0: input file $g missing!\n");
- open(OUT, ">$f") || die ("$0: unable to open output file $f!\n");
+sub alterFiles
+{
+ alterFileGlobusLocation("$setupdir/SXXsshd.in", "$sbindir/SXXsshd");
+}
- while (<IN>)
- {
- for $s (keys(%def))
- {
- s#$s#$def{$s}#;
- } # for $s
- print OUT "$_";
- } # while <IN>
+### readFile( $filename )
+#
+# reads and returns $filename's contents
+#
- close(OUT);
- close(IN);
+sub readFile
+{
+ my ($filename) = @_;
+ my $data;
- #
- # Remove the old .tmp file
- #
+ open (IN, "$filename") || die "Can't open '$filename': $!";
+ $/ = undef;
+ $data = <IN>;
+ $/ = "\n";
+ close(IN);
- $result = system("rm $g 2>&1");
+ return $data;
+}
- if ($result or $?)
- {
- die "ERROR: Unable to execute command: $!\n";
- }
+### writeFile( $filename, $fileinput )
+#
+# create the inputs to the ssl program at $filename, appending the common name to the
+# stream in the process
+#
- #
- # An attempt to revert the new file back to the original file's
- # mode/uid/gid
- #
+sub writeFile
+{
+ my ($filename, $fileinput) = @_;
+
+ #
+ # test for a valid $filename
+ #
+
+ if ( !defined($filename) || (length($filename) lt 1) )
+ {
+ die "Filename is undefined";
+ }
- chmod($mode, $f);
- chown($uid, $gid, $f);
+ if ( ( -e "$filename" ) && ( ! -w "$filename" ) )
+ {
+ die "Cannot write to filename '$filename'";
+ }
- print "$h\n";
- } # for $f
+ #
+ # write the output to $filename
+ #
- return 0;
+ open(OUT, ">$filename");
+ print OUT "$fileinput";
+ close(OUT);
}
-print "---------------------------------------------------------------\n";
-print "$myname: Configuring package gsi_openssh..\n";
-print "\n";
+print "---------------------------------------------------------------------\n";
print "Hi, I'm the setup script for the gsi_openssh package! There\n";
print "are some last minute details that I've got to set straight\n";
-print "in the config and man files, along with generating the ssh keys\n";
+print "in the sshd config file, along with generating the ssh keys\n";
print "for this machine (if it doesn't already have them).\n";
print "\n";
-print "I like to install my config-related files in:\n";
-print " ${sysconfdir}/\n";
-print "\n";
-print "These files may overwrite your previously existing configuration\n";
-print "files. If you choose to continue, you will find a backup of\n";
-print "those original files in:\n";
-print " ${backupdir}/\n";
-print "\n";
-print "Your host keys will remain untouched if they are already present.\n";
-print "If they aren't present, this script will generate them for you.\n";
+print "If I find a pair of host keys in /etc/ssh, I will copy them into\n";
+print "\$GLOBUS_LOCATION/etc/ssh. If they aren't present, I will generate\n";
+print "them for you.\n";
print "\n";
$response = query_boolean("Do you wish to continue with the setup package?","y");
-
if ($response eq "n")
{
print "\n";
exit 0;
}
-test_dirs();
-backup_files();
-copy_setup_files();
-runkeygen();
+print "\n";
+
+$keyhash = determineKeys();
+runKeyGen($keyhash->{gen});
+copyKeyFiles($keyhash->{copy});
fixpaths();
+alterFiles();
my $metadata = new Grid::GPT::Setup(package_name => "gsi_openssh_setup");
$metadata->finish();
print "\n";
-print "$myname: Finished configuring package 'gsi_openssh'.\n";
+print "Additional Notes:\n";
+print "\n";
+print " o I see that you have your GLOBUS_LOCATION environmental variable\n";
+print " set to:\n";
+print "\n";
+print " \t\"$gpath\"\n";
+print "\n";
+print " Remember to keep this variable set (correctly) when you want to\n";
+print " use the executables that came with this package.\n";
print "\n";
-print "I see that you have your GLOBUS_LOCATION environmental variable\n";
-print "set to:\n";
-print " $gpath\n";
+print " o You may need to set LD_LIBRARY_PATH to point to the location in\n";
+print " which your globus libraries reside. For example:\n";
print "\n";
-print "Remember to keep this variable set (correctly) when you want\n";
-print "to use the executables that came with this package.\n";
-print "---------------------------------------------------------------\n";
+print " \t\$ LD_LIBRARY_PATH=\"$gpath/lib:\$LD_LIBRARY_PATH\"; \\\n";
+print " \t export LD_LIBRARY_PATH\n";
+print "\n";
+print " If you wish, you may run, e.g.:\n";
+print "\n";
+print " \t\$ . \$GLOBUS_LOCATION/etc/globus-user-env.sh\n";
+print "\n";
+print " to prepare your environment for running the gsi_openssh\n";
+print " executables.\n";
+print "\n";
+print "---------------------------------------------------------------------\n";
+print "$myname: Finished configuring package 'gsi_openssh'.\n";
#
# Just need a minimal action() subroutine for now..
printf "$command\n";
- my $result = system("$command 2>&1");
+ my $result = system("LD_LIBRARY_PATH=\"$gpath/lib:\$LD_LIBRARY_PATH\"; $command 2>&1");
if (($result or $?) and $command !~ m!patch!)
{
$foo = <STDIN>;
($bar) = split //, $foo;
- if ($bar ne $nondefault)
+ if ( grep(/\s/, $bar) )
{
+ # this is debatable. all whitespace means 'default'
+
+ $bar = $default;
+ }
+ elsif ($bar ne $default)
+ {
+ # everything else means 'nondefault'.
+
+ $bar = $nondefault;
+ }
+ else
+ {
+ # extraneous step. to get here, $bar should be eq to $default anyway.
+
$bar = $default;
}
return $bar;
}
-
andersk / gssapi-openssh.git / blobdiff