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Sat, Nov 23, 14:59

install
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#!/usr/bin/perl
#
use strict;
use Socket;
use Getopt::Long;
my ($test, $verbose);
my $ret = GetOptions (
verbose => \$verbose,
test => \$test,
);
my ($config, $defaultsesdir, $defaultserver, $defaultserverurl);
#
print "\nTequila perl client simple setup.\n\n";
checkpackages ();
setupserver ();
setupdirectories ();
copyfiles ();
fixowners ();
writeetcconf ();
sub checkpackages {
my @requiredpackages = (
'IO::Socket::SSL',
'IO::Socket::INET',
);
my @missing;
foreach my $package (@requiredpackages) {
push (@missing, $package) if (!eval "use $package; 1;");
}
if (@missing) {
warn "Some necessary Perl packages are missing :\n\n";
foreach my $package (@missing) {
warn " $package\n";
}
warn "\nYou should install them before proceeding.\n";
exit unless (eval "use CPAN; 1;");
my $yorn = getentry ("Should I do it for you using CPAN (y/n)", 'y');
exit if ($yorn ne 'y');
foreach my $package (@missing) {
CPAN::install ($package);
}
my @stillmissing;
foreach my $package (@requiredpackages) {
push (@stillmissing, $package) if (!eval "use $package; 1;");
}
if (@stillmissing) {
warn "\nSorry, some necessary Perl packages are still missing :\n\n";
foreach my $package (@missing) {
warn " $package\n";
}
warn "\nYou should install them before proceeding.\n";
warn "If the installation of IO::Socket::SSL failed, maybe it is beacuse ",
"you don't have openssl-devel installed.\n";
exit;
}
}
}
sub setupdirectories {
my $root = getdir ('Root directory where to install everything ?', "/var/www");
die "$root is not writable, exiting..." unless -w $root;
my $cgibin = getdir ('cgi-bin directory', "$root/cgi-bin");
die "$cgibin is not writable, exiting..." unless -w $cgibin;
my $sesdir = getdir (
'Sessions directory (this directory must be readable '.
'and writable by apache user)', "$root/Tequila/Sessions"
);
$defaultsesdir = "$config->{root}/Tequila";
$config->{root} = $root;
$config->{cgibin} = $cgibin;
$config->{sesdir} = $sesdir;
}
sub setupserver {
my $localdomain = `hostname -d`; chomp $localdomain;
$localdomain ||= 'epfl.ch';
$defaultserver = 'tequila.' . $localdomain;
my $server = getentry ("Tequila server ?", $defaultserver);
$config->{server} = $server;
$defaultserverurl = 'https://' . $server . '/tequila';
my $serverurl = getentry ("Tequila server URL ?", $defaultserverurl);
$config->{serverurl} = $serverurl;
}
sub notdefault {
my ($attribute, $defaultvalue) = @_;
return if (
($config->{sesdir} eq $defaultsesdir) &&
($config->{server} eq $defaultserver) &&
($config->{serverurl} eq $defaultserverurl)
);
if ($> && $<) { # Not root.
print "You have choosen some attributes that do not the default value.\n",
"For your client to work properly you have to create a file /etc/tequila.conf \n",
"to store these values, since you are not root, I am unable to do this for you.\n",
"Either execute this script as root, use your the default value, or put this \n",
"in /etc/tequila.conf : \n\n";
if ($config->{sesdir} ne $defaultsesdir) {
print "SessionsDir: $config->{sesdir}\n";
}
if ($config->{server} ne $defaultserver) {
print "TequilaServer: $config->{server}\n";
}
if ($config->{serverurl} ne $defaultserverurl) {
print "TequilaServerUrl: $config->{serverurl}\n";
}
exit;
}
}
sub writeetcconf {
return if (
($config->{server} eq $defaultserver) &&
($config->{serverurl} eq $defaultserverurl) &&
($config->{sesdir} eq $defaultsesdir)
);
open (CONF, ">/etc/tequila.conf") || die "Unable to create /etc/tequila.conf : $!";
print CONF "TequilaServer: $config->{server}\n"
if ($config->{server} ne $defaultserver);
print CONF "TequilaServerUrl: $config->{serverurl}\n"
if ($config->{serverurl} ne $defaultserverurl);
print CONF "SessionsDir: $config->{sesdir}\n"
if ($config->{sesdir} ne $defaultsesdir);
close (CONF);
}
sub copyfiles {
unless (-d "$config->{sesdir}/") {
mkdir ("$config->{sesdir}/") || die "Unable to create Sessions directory : $!";
}
unless (-d "$config->{cgibin}/Tequila/") {
mkdir ("$config->{cgibin}/Tequila/") || die "Unable to create CGI Tequila directory : $!";
}
system ("cp clients/perl/Client.pm $config->{cgibin}/Tequila/");
}
sub fixowners {
if ($< && $>) {
warn "\nTake care that all files creates are readable by the user running",
" your http server!\n\n";
$config->{fixownersnotok} = 1;
return;
}
my $apache = getentry ("Which user httpd is running on", "apache");
my $groupe = getentry ("Which group httpd is running on", "apache");
system ("chown -R $apache:$groupe $config->{cgibin}/Tequila");
system ("chown -R $apache:$groupe $config->{sesdir}/");
}
sub getdir {
my ($msg, $default) = @_;
print "$msg "; print "[$default] " if $default; print ": ";
my $dir = <>; chomp $dir;
$dir = $default unless $dir;
unless (-d $dir) {
print "$dir does not exist, should I create it [y] ? ";
my $resp = <>;
chomp $resp;
exit if ($resp && ($resp ne 'y'));
mkdir ($dir) || die "Unable to create $dir : $!";
}
return $dir
}
sub getentry {
my ($msg, $default) = @_;
my $entry;
while (!$entry) {
print "$msg "; print "[$default] " if $default; print ": ";
$entry = <>; chomp $entry;
$entry = $default unless $entry;
}
return $entry
}

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