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 $mandir = "${prefix}/man";
  42 $mansubdir = "man";
  43 $libexecdir = "${exec_prefix}/libexec";
  44 $sysconfdir = "${prefix}/etc";
  45 $piddir = "/var/run";
  46 $xauth_path = "/usr/bin/X11/xauth";
  47
  48 sub fixpaths
  49 {
  50     #
  51     # Set up path translations for the installation files
  52     #
  53
  54     %def = (
  55         "/etc/ssh_config" => "${sysconfdir}/ssh_config",
  56         "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts",
  57         "/etc/sshd_config" => "${sysconfdir}/sshd_config",
  58         "/usr/libexec" => "${libexecdir}",
  59         "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv",
  60         "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key",
  61         "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key",
  62         "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key",
  63         "/var/run/sshd.pid" => "${piddir}/sshd.pid",
  64         "/etc/moduli" => "${sysconfdir}/moduli",
  65         "/etc/sshrc" => "${sysconfdir}/sshrc",
  66         "/usr/X11R6/bin/xauth" => "${xauth_path}",
  67         "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}",
  68         "/path/to/scp.real" => "${bindir}/scp.real",
  69         "/path/to/ssh" => "${bindir}/ssh",
  70         );
  71
  72     #
  73     # Files on which to perform path translations
  74     #
  75
  76     @files = (
  77         "${bindir}/scp",
  78         "${sysconfdir}/ssh_config",
  79         "${sysconfdir}/sshd_config",
  80         "${sysconfdir}/moduli",
  81         "${mandir}/${mansubdir}1/scp.1",
  82         "${mandir}/${mansubdir}1/ssh-add.1",
  83         "${mandir}/${mansubdir}1/ssh-agent.1",
  84         "${mandir}/${mansubdir}1/ssh-keygen.1",
  85         "${mandir}/${mansubdir}1/ssh-keyscan.1",
  86         "${mandir}/${mansubdir}1/ssh.1",
  87         "${mandir}/${mansubdir}8/sshd.8",
  88         "${mandir}/${mansubdir}8/sftp-server.8",
  89         "${mandir}/${mansubdir}1/sftp.1",
  90         );
  91
  92     print "Translating strings in config/man files...\n";
  93     for $f (@files)
  94     {
  95         $f =~ /(.*\/)*(.*)$/;
  96         $g = "$f.tmp";
  97
  98         $result = system("mv $f $g");
  99         if ($result != 0)
 100         {
 101             die "Failed to copy $f to $g!\n";
 102         }
 103
 104         open(IN, "<$g") || die ("$0: input file $g missing!\n");
 105         open(OUT, ">$f") || die ("$0: unable to open output file $f!\n");
 106
 107         while (<IN>)
 108         {
 109             for $s (keys(%def))
 110             {
 111                 s#$s#$def{$s}#;
 112             } # for $s
 113             print OUT "$_";
 114         } # while <IN>
 115
 116         close(OUT);
 117         close(IN);
 118
 119         $result = system("rm $g");
 120         if ($result != 0)
 121         {
 122             die "Failed to remove $g\n";
 123         }
 124     } # for $f
 125
 126     return 0;
 127 }
 128
 129 sub setperms()
 130 {
 131     $result = system("chmod 755 $bindir/scp");
 132 }
 133
 134 sub runkeygen
 135 {
 136     print "Generating ssh keys (if necessary)...\n";
 137     if ( -e "${sysconfdir}/ssh_host_key" )
 138     {
 139         print "${sysconfdir}/ssh_host_key already exists, skipping.\n";
 140     }
 141     else
 142     {
 143         # if $sysconfdir/ssh_host_key doesn't exist..
 144         system("$bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N \"\"");
 145     }
 146
 147     if ( -e "${sysconfdir}/ssh_host_dsa_key" )
 148     {
 149         print "${sysconfdir}/ssh_host_dsa_key already exists, skipping.\n";
 150     }
 151     else
 152     {
 153         # if $sysconfdir/ssh_host_dsa_key doesn't exist..
 154         system("$bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N \"\"");
 155     }
 156
 157     if ( -e "${sysconfdir}/ssh_host_rsa_key" )
 158     {
 159         print "${sysconfdir}/ssh_host_rsa_key already exists, skipping.\n";
 160     }
 161     else
 162     {
 163         # if $sysconfdir/ssh_host_rsa_key doesn't exist..
 164         system("$bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N \"\"");
 165     }
 166
 167     return 0;
 168 }
 169
 170 fixpaths();
 171 setperms();
 172 runkeygen();
 173
 174 my $metadata = new Grid::GPT::Setup(package_name => "gsi-openssh-setup");
 175
 176 $metadata->finish();