setup/setup-openssh.pl

   1 #
   2 # setup-openssh.pl:
   3 #   Adapts the installed gsi-ssh environment to the current machine,
   4 #   performing actions that originally occurred during the package's
   5 #   'make install' phase.
   6 #
   7 # Large parts adapted from 'fixpath', a tool found in openssh-3.0.2p1.
   8 #
   9 # Send comments/fixes/suggestions to:
  10 # Chase Phillips <cphillip@ncsa.uiuc.edu>
  11 #
  12
  13 $gpath = $ENV{GLOBUS_LOCATION};
  14 if (!defined($gpath))
  15 {
  16     die "GLOBUS_LOCATION needs to be set before running this script"
  17 }
  18
  19 #
  20 # i'm including this because other perl scripts in the gpt setup directories
  21 # do so
  22 #
  23
  24 @INC = (@INC, "$gpath/lib/perl");
  25
  26 require Grid::GPT::Setup;
  27
  28 my $globusdir = $gpath;
  29 my $setupdir = "$globusdir/setup/globus";
  30 my $myname = "setup-openssh.pl";
  31
  32 print "$myname: Configuring package 'gsi_openssh'...\n";
  33
  34 #
  35 # Set up path prefixes for use in the path translations
  36 #
  37
  38 $prefix = ${globusdir};
  39 $exec_prefix = "${prefix}";
  40 $bindir = "${exec_prefix}/bin";
  41 $sbindir = "${exec_prefix}/sbin";
  42 $mandir = "${prefix}/man";
  43 $mansubdir = "man";
  44 $libexecdir = "${exec_prefix}/libexec";
  45 $sysconfdir = "${prefix}/etc";
  46 $piddir = "/var/run";
  47 $xauth_path = "/usr/bin/X11/xauth";
  48
  49 sub fixpaths
  50 {
  51     #
  52     # Set up path translations for the installation files
  53     #
  54
  55     %def = (
  56         "/etc/ssh_config" => "${sysconfdir}/ssh_config",
  57         "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts",
  58         "/etc/sshd_config" => "${sysconfdir}/sshd_config",
  59         "/usr/libexec" => "${libexecdir}",
  60         "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv",
  61         "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key",
  62         "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key",
  63         "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key",
  64         "/var/run/sshd.pid" => "${piddir}/sshd.pid",
  65         "/etc/moduli" => "${sysconfdir}/moduli",
  66         "/etc/sshrc" => "${sysconfdir}/sshrc",
  67         "/usr/X11R6/bin/xauth" => "${xauth_path}",
  68         "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}",
  69         "/path/to/scp.real" => "${bindir}/scp.real",
  70         "/path/to/ssh" => "${bindir}/ssh",
  71         "/path/to/sftp.real" => "${bindir}/sftp.real",
  72         "/path/to/sshd.real" => "${sbindir}/sshd.real",
  73         "/path/to/ssh_config" => "${sysconfdir}/ssh_config",
  74         "/path/to/sshd_config" => "${sysconfdir}/sshd_config",
  75         );
  76
  77     #
  78     # Files on which to perform path translations
  79     #
  80
  81     @files = (
  82         "${bindir}/scp",
  83         "${bindir}/sftp",
  84         "${sbindir}/sshd",
  85         "${sysconfdir}/ssh_config",
  86         "${sysconfdir}/sshd_config",
  87         "${sysconfdir}/moduli",
  88         "${mandir}/${mansubdir}1/scp.1",
  89         "${mandir}/${mansubdir}1/ssh-add.1",
  90         "${mandir}/${mansubdir}1/ssh-agent.1",
  91         "${mandir}/${mansubdir}1/ssh-keygen.1",
  92         "${mandir}/${mansubdir}1/ssh-keyscan.1",
  93         "${mandir}/${mansubdir}1/ssh.1",
  94         "${mandir}/${mansubdir}8/sshd.8",
  95         "${mandir}/${mansubdir}8/sftp-server.8",
  96         "${mandir}/${mansubdir}1/sftp.1",
  97         );
  98
  99     print "Translating strings in config/man files...\n";
 100     for $f (@files)
 101     {
 102         $f =~ /(.*\/)*(.*)$/;
 103
 104         #
 105         # we really should create a random filename and make sure that it
 106         # doesn't already exist (based off current time_t or something)
 107         #
 108
 109         $g = "$f.tmp";
 110
 111         #
 112         # Grab the current mode/uid/gid for use later
 113         #
 114
 115         $mode = (stat($f))[2];
 116         $uid = (stat($f))[4];
 117         $gid = (stat($f))[5];
 118
 119         $result = system("mv $f $g");
 120         if ($result != 0)
 121         {
 122             die "Failed to copy $f to $g!\n";
 123         }
 124
 125         open(IN, "<$g") || die ("$0: input file $g missing!\n");
 126         open(OUT, ">$f") || die ("$0: unable to open output file $f!\n");
 127
 128         while (<IN>)
 129         {
 130             for $s (keys(%def))
 131             {
 132                 s#$s#$def{$s}#;
 133             } # for $s
 134             print OUT "$_";
 135         } # while <IN>
 136
 137         close(OUT);
 138         close(IN);
 139
 140         $result = system("rm $g");
 141         if ($result != 0)
 142         {
 143             die "Failed to remove $g\n";
 144         }
 145
 146         #
 147         # An attempt to revert the new file back to the original file's
 148         # mode/uid/gid
 149         #
 150
 151         chmod($mode, $f);
 152         chown($uid, $gid, $f);
 153     } # for $f
 154
 155     return 0;
 156 }
 157
 158 fixpaths();
 159
 160 print "---------------------------------------------------------------------\n";
 161 print "If you would also like to run the sshd binary that came with this\n";
 162 print "package and you do not have host keys located in /etc, run (as root):\n";
 163 print "\n";
 164 print "  $setupdir/setup-openssh-keys\n";
 165 print "\n";
 166 print "This script creates machine-specific host keys in /etc that are\n";
 167 print "required by sshd.\n";
 168 print "---------------------------------------------------------------------\n";
 169
 170 my $metadata = new Grid::GPT::Setup(package_name => "gsi_openssh_setup");
 171
 172 $metadata->finish();
 173
 174 print "$myname: Finished configuring package 'gsi_openssh'.\n";