--- doc/install/linux/install.pl	2017/05/26 02:18:11	1.42
+++ doc/install/linux/install.pl	2019/02/19 19:24:28	1.45.2.2
@@ -27,6 +27,9 @@ use strict;
 use File::Copy;
 use Term::ReadKey;
 use DBI;
+use Cwd();
+use File::Basename();
+use lib File::Basename::dirname(Cwd::abs_path($0));
 use LCLocalization::localize;
 
 # ========================================================= The language handle
@@ -72,7 +75,7 @@ if (!open(LOG,">>loncapa_install.log"))
           &mt('Stopping execution.')."\n";
     exit;
 } else {
-    print LOG '$Id: install.pl,v 1.42 2017/05/26 02:18:11 raeburn Exp $'."\n";
+    print LOG '$Id: install.pl,v 1.45.2.2 2019/02/19 19:24:28 raeburn Exp $'."\n";
 }
 
 #
@@ -159,7 +162,7 @@ sub get_user_selection {
 }
 
 sub get_distro {
-    my ($distro,$gotprereqs,$updatecmd,$packagecmd,$installnow);
+    my ($distro,$gotprereqs,$updatecmd,$packagecmd,$installnow,$unknown);
     $packagecmd = '/bin/rpm -q LONCAPA-prerequisites ';
     if (-e '/etc/redhat-release') {
         open(IN,'</etc/redhat-release');
@@ -204,6 +207,7 @@ sub get_distro {
         } else {
             print &mt('Unable to interpret [_1] to determine system type.',
                       '/etc/redhat-release')."\n";
+            $unknown = 1;
         }
     } elsif (-e '/etc/SuSE-release') {
         open(IN,'</etc/SuSE-release');
@@ -230,19 +234,19 @@ sub get_distro {
         } else {
             print &mt('Unable to interpret [_1] to determine system type.',
                       '/etc/SuSE-release')."\n";
+            $unknown = 1;
         }
     } elsif (-e '/etc/issue') {
         open(IN,'</etc/issue');
         my $versionstring=<IN>;
         chomp($versionstring);
         close(IN);
-        $packagecmd = '/usr/bin/dpkg -l loncapa-prerequisites ';
-        $updatecmd = 'apt-get install loncapa-prerequisites';
         if ($versionstring =~ /^Ubuntu (\d+)\.\d+/i) {
             $distro = 'ubuntu'.$1;
             $updatecmd = 'sudo apt-get install loncapa-prerequisites';
         } elsif ($versionstring =~ /^Debian\s+GNU\/Linux\s+(\d+)\.\d+/i) {
             $distro = 'debian'.$1;
+            $updatecmd = 'apt-get install loncapa-prerequisites';
         } elsif (-e '/etc/debian_version') {
             open(IN,'</etc/debian_version');
             my $version=<IN>;
@@ -250,13 +254,15 @@ sub get_distro {
             close(IN);
             if ($version =~ /^(\d+)\.\d+\.?\d*/) {
                 $distro='debian'.$1;
+                $updatecmd = 'apt-get install loncapa-prerequisites';
             } else {
                 print &mt('Unable to interpret [_1] to determine system type.',
                           '/etc/debian_version')."\n";
+                $unknown = 1;
             }
-        } else {
-            print &mt('Unable to interpret [_1] to determine system type.',
-                      '/etc/issue')."\n";
+        }
+        if ($distro ne '') {
+            $packagecmd = '/usr/bin/dpkg -l loncapa-prerequisites ';
         }
     } elsif (-e '/etc/debian_version') {
         open(IN,'</etc/debian_version');
@@ -270,9 +276,38 @@ sub get_distro {
         } else {
             print &mt('Unable to interpret [_1] to determine system type.',
                       '/etc/debian_version')."\n";
+            $unknown = 1;
+        }
+    }
+    if (($distro eq '') && (!$unknown)) {
+        if (-e '/etc/os-release') {
+            if (open(IN,'<','/etc/os-release')) {
+                my ($id,$version);
+                while(<IN>) {
+                    chomp();
+                    if (/^ID="(\w+)"/) {
+                        $id=$1;
+                    } elsif (/^VERSION_ID="([\d\.]+)"/) {
+                        $version=$1;
+                    }
+                }
+                close(IN);
+                if ($id eq 'sles') {
+                    my ($major,$minor) = split(/\./,$version);
+                    if ($major =~ /^\d+$/) {
+                        $distro = $id.$major;
+                        $updatecmd = 'zypper install LONCAPA-prerequisites';
+                    }
+                }
+            }
+            if ($distro eq '') {
+                print &mt('Unable to interpret [_1] to determine system type.',
+                          '/etc/os-release')."\n";
+                $unknown = 1;
+            }
+        } else {
+            print &mt('Unknown installation: expecting a debian, ubuntu, suse, sles, redhat, fedora or scientific linux system.')."\n";
         }
-    } else {
-        print &mt('Unknown installation: expecting a debian, ubuntu, suse, sles, redhat, fedora or scientific linux system.')."\n";
     }
     return ($distro,$packagecmd,$updatecmd,$installnow);
 }
@@ -314,12 +349,19 @@ sub check_locale {
             print &mt('Failed to open: [_1], default locale not checked.',
                       '/etc/default/locale');
         }
-    } elsif ($distro =~ /^(suse|sles)/) {
-        if (!open($fh,"</etc/sysconfig/language")) {
-            print &mt('Failed to open: [_1], default locale not checked.',
-                      '/etc/sysconfig/language');
+    } elsif ($distro =~ /^(suse|sles)(\d+)/) {
+        if (($1 eq 'sles') && ($2 >= 15)) {
+            if (!open($fh,"</etc/locale.conf")) {
+                print &mt('Failed to open: [_1], default locale not checked.',
+                          '/etc/locale.conf');
+            }
+        } else {
+            if (!open($fh,"</etc/sysconfig/language")) {
+                print &mt('Failed to open: [_1], default locale not checked.',
+                          '/etc/sysconfig/language');
+            }
+            $langvar = 'RC_LANG';
         }
-        $langvar = 'RC_LANG';
     } elsif ($distro =~ /^fedora(\d+)/) {
         if ($1 >= 18) {
             if (!open($fh,"</etc/locale.conf")) {
@@ -470,6 +512,9 @@ sub check_mysql_running {
             $proc_owner = 'mysql';
             $process = 'mysqld';
         }
+        if ($1 >= 15) {
+            $mysqldaemon ='mariadb';
+        }
     } elsif ($distro =~ /^suse(\d+)/) {
         if ($1 >= 13) {
             $use_systemctl = 1;
@@ -553,7 +598,12 @@ sub chkconfig {
                     $uses_systemctl{'ntp'} = 1;
                     $uses_systemctl{'cups'} = 1;
                     $uses_systemctl{'memcached'} = 1;
-                    $daemon{'ntp'} = 'ntpd';
+                    if (($name eq 'sles') && ($num >= 15)) {
+                        $daemon{'ntp'} = 'chronyd';
+                        $daemon{'mysql'} = 'mariadb';
+                    } else {
+                        $daemon{'ntp'} = 'ntpd';
+                    }
                 }
             }
         }
@@ -561,7 +611,15 @@ sub chkconfig {
         my $version = $1;
         @runlevels = qw/2 3 4 5/;
         @norunlevels = qw/0 1 6/;
-        $checker_bin = '/usr/sbin/sysv-rc-conf';
+        if (($distro =~ /^ubuntu/) && ($version <= 16)) {
+            $checker_bin = '/usr/sbin/sysv-rc-conf';
+        } else {
+            $uses_systemctl{'ntp'} = 1;
+            $uses_systemctl{'mysql'} = 1;
+            $uses_systemctl{'apache'} = 1;
+            $uses_systemctl{'memcached'} = 1;
+            $uses_systemctl{'cups'} = 1;
+        }
         $daemon{'mysql'}  = 'mysql';
         $daemon{'apache'} = 'apache2';
         $daemon{'ntp'}    = 'ntp';
@@ -675,7 +733,7 @@ sub chkconfig {
         } else {
             $major = $version;
         }
-        if ($major > 10) {
+        if (($major > 10) && ($major <= 13)) {
             if (&check_SuSEfirewall2_setup($instdir)) {
                 $needfix{'insserv'} = 1;
             }
@@ -684,6 +742,43 @@ sub chkconfig {
     return (\%needfix,\%tostop,\%uses_systemctl);
 }
 
+sub uses_firewalld {
+    my ($distro) = @_;
+    my ($inuse, $checkfirewalld);
+    if ($distro =~ /^(suse|sles)([\d\.]+)$/) {
+        if (($1 eq 'sles') && ($2 >= 15)) {
+            $checkfirewalld = 1;
+        }
+    } elsif ($distro =~ /^fedora(\d+)$/) {
+        if ($1 >= 18) {
+            $checkfirewalld = 1;
+        }
+    } elsif ($distro =~ /^(?:centos|rhes|scientific)(\d+)/) {
+        if ($1 >= 7) {
+            $checkfirewalld = 1;
+        }
+    }
+    if ($checkfirewalld) {
+        my ($loaded,$active);
+        if (open(PIPE,"systemctl status firewalld |")) {
+            while (<PIPE>) {
+                chomp();
+                if (/^\s*Loaded:\s+(\w+)/) {
+                    $loaded = $1;
+                }
+                if (/^\s*Active\s+(\w+)/) {
+                    $active = $1;
+                }
+            }
+            close(PIPE);
+        }
+        if (($loaded eq 'loaded') || ($active eq 'active')) {
+            $inuse = 1;
+        }
+    }
+    return $inuse;
+}
+
 sub chkfirewall {
     my ($distro) = @_;
     my $configfirewall = 1;
@@ -693,25 +788,38 @@ sub chkfirewall {
                 );
     my %activefw;
     if (&firewall_is_active()) {
-        my $iptables = &get_pathto_iptables();
-        if ($iptables eq '') {
-            print &mt('Firewall not checked as path to iptables not determined.')."\n";
+        if (&uses_firewalld($distro)) {
+            my %current;
+            if (open(PIPE,'firewall-cmd --permanent --zone=public --list-services |')) {
+                my $svc = <PIPE>;
+                close(PIPE);
+                chomp($svc);
+                map { $current{$_} = 1; } (split(/\s+/,$svc));
+            }
+            if ($current{'http'} && $current{'https'}) {
+                $configfirewall = 0;
+            }
         } else {
-            my @fwchains = &get_fw_chains($iptables,$distro);
-            if (@fwchains) {
-                foreach my $service ('http','https') {
-                    foreach my $fwchain (@fwchains) {
-                        if (&firewall_is_port_open($iptables,$fwchain,$ports{$service})) {
-                            $activefw{$service} = 1;
-                            last;
+            my $iptables = &get_pathto_iptables();
+            if ($iptables eq '') {
+                print &mt('Firewall not checked as path to iptables not determined.')."\n";
+            } else {
+                my @fwchains = &get_fw_chains($iptables,$distro);
+                if (@fwchains) {
+                    foreach my $service ('http','https') {
+                        foreach my $fwchain (@fwchains) {
+                            if (&firewall_is_port_open($iptables,$fwchain,$ports{$service})) {
+                                $activefw{$service} = 1;
+                                last;
+                            }
                         }
                     }
+                    if ($activefw{'http'}) {
+                        $configfirewall = 0;
+                    }
+                } else {
+                    print &mt('Firewall not checked as iptables Chains not identified.')."\n";
                 }
-                if ($activefw{'http'}) {
-                    $configfirewall = 0;
-                }
-            } else {
-                print &mt('Firewall not checked as iptables Chains not identified.')."\n";
             }
         }
     } else {
@@ -774,16 +882,21 @@ sub chkapache {
                 }
             }
         }
-    } elsif ($distro =~ /^(?:suse|sles)([\d\.]+)$/) {
+    } elsif ($distro =~ /^(suse|sles)([\d\.]+)$/) {
+        my ($name,$version) = ($1,$2);
         my $apache = 'apache';
-        if ($1 >= 10) {
+        my $conf_file = "$instdir/sles-suse/default-server.conf";
+        if ($version >= 10) {
             $apache = 'apache2';
         }
-        if (!-e "$instdir/sles-suse/default-server.conf") {
+        if (($name eq 'sles') && ($version >= 12)) {
+            $conf_file = "$instdir/sles-suse/apache2.4/default-server.conf";
+        }
+        if (!-e $conf_file) {
             $fixapache = 0;
             print &mt('Warning: No LON-CAPA Apache configuration file found for installation check.')."\n";
-        } elsif ((-e "/etc/$apache/default-server.conf") && (-e "$instdir/sles-suse/default-server.conf")) {
-            if (open(PIPE, "diff --brief $instdir/sles-suse/default-server.conf /etc/$apache/default-server.conf |")) {
+        } elsif (-e "/etc/$apache/default-server.conf") {
+            if (open(PIPE, "diff --brief $conf_file /etc/$apache/default-server.conf |")) {
                 my $diffres = <PIPE>;
                 close(PIPE);
                 chomp($diffres);
@@ -1068,10 +1181,16 @@ sub get_pathto_iptables {
 
 sub firewall_is_active {
     if (-e '/proc/net/ip_tables_names') {
-        return 1;
-    } else {
-        return 0;
+        if (open(PIPE,'cat /proc/net/ip_tables_names |grep filter |')) {
+            my $status = <PIPE>;
+            close(PIPE);
+            chomp($status);
+            if ($status eq 'filter') {
+                return 1;
+            }
+        }
     }
+    return 0;
 }
 
 sub get_fw_chains {
@@ -1087,6 +1206,8 @@ sub get_fw_chains {
             @posschains = ('ufw-user-input','INPUT');
         } elsif ($distro =~ /^debian5/) {
             @posschains = ('INPUT');
+        } elsif ($distro =~ /^(suse|sles)(\d+)/) {
+            @posschains = ('IN_public');
         } else {
             @posschains = ('RH-Firewall-1-INPUT','INPUT');
             if (!-e '/etc/sysconfig/iptables') {
@@ -1449,7 +1570,7 @@ if ($dbh) {
 
 if ($callsub{'apache'}) {
     if ($distro =~ /^(suse|sles)/) {
-        &copy_apache2_suseconf($instdir);
+        &copy_apache2_suseconf($instdir,$distro);
     } elsif ($distro =~ /^(debian|ubuntu)/) {
         &copy_apache2_debconf($instdir,$distro);
     } else {
@@ -1477,18 +1598,50 @@ if ($callsub{'runlevels'}) {
             }  
         }
     }
-    if ($distro =~ /^(suse|sles)/) {
-        &update_SuSEfirewall2_setup($instdir);
+    if ($distro =~ /^(suse|sles)(\d+)/) {
+        unless(($1 eq 'sles') && ($2 >= 15)) {
+            &update_SuSEfirewall2_setup($instdir);
+        }
     }
 } else {
     &print_and_log(&mt('Skipping setting override for start-up order of services.')."\n");
 }
 
 if ($callsub{'firewall'}) {
-    if ($distro =~ /^(suse|sles)/) {
+    if (&uses_firewalld($distro)) {
+        my (%current,%added);
+        if (open(PIPE,'firewall-cmd --permanent --zone=public --list-services |')) {
+            my $svc = <PIPE>;
+            close(PIPE);
+            chomp($svc);
+            map { $current{$_} = 1; } (split(/\s+/,$svc));
+        }
+        foreach my $service ('http','https') {
+            unless ($current{$service}) {
+                if (open(PIPE,"firewall-cmd --permanent --zone=public --add-service=$service |")) {
+                    my $result = <PIPE>;
+                    if ($result =~ /^success/) {
+                        $added{$service} = 1;
+                    }
+                }
+            }
+        }
+        if (keys(%added) > 0) {
+            print &mt('Firewall configured to allow access for: [_1].',
+                      join(', ',sort(keys(%added))))."\n";
+        }
+        if ($current{'http'} || $current{'https'}) {
+            print &mt('Firewall already configured to allow access for:[_1].',
+                      (($current{'http'})? ' http':'').(($current{'https'})? ' https':''))."\n";
+        }
+        unless ($current{'ssh'}) {
+            print &mt('If you would the like to allow access to ssh from outside, use the command[_1].',
+                  'firewall-cmd --permanent --zone=public --add-service=ssh')."\n";
+        }
+    } elsif ($distro =~ /^(suse|sles)/) {
         print &mt('Use [_1] to configure the firewall to allow access for [_2].',
                   'yast -- Security and Users -> Firewall -> Interfaces',
-                   'ssh, http, https')."\n";
+                  'ssh, http, https')."\n";
     } elsif ($distro =~ /^(debian|ubuntu)(\d+)/) {
         if (($1 eq 'ubuntu') || ($2 > 5)) {
             print &mt('Use [_1] to configure the firewall to allow access for [_2].',
@@ -1519,7 +1672,7 @@ if ($callsub{'firewall'}) {
 }
 
 if ($callsub{'stopsrvcs'}) {
-    &kill_extra_services($distro,$recommended->{'stopsrvcs'});
+    &kill_extra_services($distro,$recommended->{'stopsrvcs'},$uses_systemctl);
 } else {
     &print_and_log(&mt('Skipping stopping unnecessary service ([_1] daemons).',"'cups','memcached'")."\n");
 }
@@ -1706,7 +1859,7 @@ END
 }
 
 sub kill_extra_services {
-    my ($distro,$stopsrvcs) = @_;
+    my ($distro,$stopsrvcs,$uses_systemctl) = @_;
     if (ref($stopsrvcs) eq 'HASH') {
         my @stopping = sort(keys(%{$stopsrvcs}));
         if (@stopping) {
@@ -1737,8 +1890,19 @@ sub kill_extra_services {
                         }
                     }
 	            &print_and_log(&mt('Removing [_1] from startup.',$service)."\n");
-                    if ($distro =~ /^(debian|ubuntu)/) {
-                        &print_and_log(`update-rc.d -f $daemon remove`);
+                    if ($distro =~ /^(?:debian|ubuntu)(\d+)/) {
+                        my $version = $1;
+                        if (($distro =~ /^ubuntu/) && ($version > 16)) {
+                            if (ref($uses_systemctl) eq 'HASH') {
+                                if ($uses_systemctl->{$service}) {
+                                    if (`systemctl is-enabled $service`) {
+                                        &print_and_log(`systemctl disable $service`);
+                                    }
+                                }
+                            }
+                        } else {
+                            &print_and_log(`update-rc.d -f $daemon remove`);
+                        }
                     } else {
                         if (ref($uses_systemctl) eq 'HASH') {
                             if ($uses_systemctl->{$service}) {
@@ -1789,8 +1953,9 @@ CREATE TABLE IF NOT EXISTS metadata (tit
 sub setup_mysql_permissions {
     my ($dbh,$has_pass,@mysql_lc_commands) = @_;
     my ($mysqlversion,$mysqlsubver,$mysqlname) = &get_mysql_version();
-    my ($usesauth,$hasauthcol,@mysql_commands);
+    my ($usesauth,$is_mariadb,$hasauthcol,@mysql_commands);
     if ($mysqlname =~ /^MariaDB/i) {
+        $is_mariadb = 1;
         if ($mysqlversion >= 10.2) {
             $usesauth = 1;
         } elsif ($mysqlversion >= 5.5) {
@@ -1804,8 +1969,12 @@ sub setup_mysql_permissions {
         }
     }
     if ($usesauth) {
-        @mysql_commands = ("INSERT user (Host, User, ssl_cipher, x509_issuer, x509_subject) VALUES('localhost','www','','','')",
-                         "ALTER USER 'www'\@'localhost' IDENTIFIED BY 'localhostkey'");
+        @mysql_commands = ("INSERT user (Host, User, ssl_cipher, x509_issuer, x509_subject, authentication_string) VALUES('localhost','www','','','','')");
+        if ($is_mariadb) {
+            push(@mysql_commands,"ALTER USER 'www'\@'localhost' IDENTIFIED BY 'localhostkey'");
+        } else {
+            push(@mysql_commands,"ALTER USER 'www'\@'localhost' IDENTIFIED WITH mysql_native_password BY 'localhostkey'");
+        }
     } elsif ($hasauthcol) {
         @mysql_commands = ("INSERT user (Host, User, Password, ssl_cipher, x509_issuer, x509_subject, authentication_string) VALUES('localhost','www',password('localhostkey'),'','','','');");
     } else {
@@ -1860,7 +2029,7 @@ INSERT db (Host,Db,User,Select_priv,Inse
             }
         }
         if ($got_passwd) {
-            my (@newpass_cmds) = &new_mysql_rootpasswd($newmysqlpass);
+            my (@newpass_cmds) = &new_mysql_rootpasswd($newmysqlpass,$usesauth,$is_mariadb);
             push(@mysql_commands,@newpass_cmds);
         } else {
             print_and_log(&mt('Failed to get MySQL root password from user input.')."\n");
@@ -1869,7 +2038,6 @@ INSERT db (Host,Db,User,Select_priv,Inse
             if (@mysql_commands) {
                 foreach my $cmd (@mysql_commands) {
                     $dbh->do($cmd) || print $dbh->errstr."\n";
-
                 }
             }
             if (@mysql_lc_commands) {
@@ -1891,10 +2059,15 @@ INSERT db (Host,Db,User,Select_priv,Inse
 }
 
 sub new_mysql_rootpasswd {
-    my ($currmysqlpass,$usesauth) = @_;
+    my ($currmysqlpass,$usesauth,$is_mariadb) = @_;
     if ($usesauth) {
-        return ("ALTER USER 'root'\@'localhost' IDENTIFIED BY '$currmysqlpass'",
-                "FLUSH PRIVILEGES;");
+        if ($is_mariadb) {
+            return ("ALTER USER 'root'\@'localhost' IDENTIFIED BY '$currmysqlpass'",
+                    "FLUSH PRIVILEGES;");
+        } else {
+            return ("ALTER USER 'root'\@'localhost' IDENTIFIED WITH mysql_native_password BY '$currmysqlpass'",
+                    "FLUSH PRIVILEGES;");
+        }
     } else {
         return ("SET PASSWORD FOR 'root'\@'localhost'=PASSWORD('$currmysqlpass')",
                 "FLUSH PRIVILEGES;");
@@ -2016,14 +2189,19 @@ sub copy_apache2_debconf {
 ###########################################################
 
 sub copy_apache2_suseconf {
-    my ($instdir) = @_;
+    my ($instdir,$distro) = @_;
+    my ($name,$version) = ($distro =~ /^(suse|sles)([\d\.]+)$/);
+    my $conf_file = "$instdir/sles-suse/default-server.conf";
+    if (($name eq 'sles') && ($version >= 12)) {
+        $conf_file = "$instdir/sles-suse/apache2.4/default-server.conf";
+    }
     print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',
                   "'default-server.conf'",
                   "'/etc/apache2/default-server.conf'")."\n");
     if (!-e "/etc/apache2/default-server.conf.original") {
         copy "/etc/apache2/default-server.conf","/etc/apache2/default-server.conf.original";
     }
-    copy "$instdir/sles-suse/default-server.conf","/etc/apache2/default-server.conf";
+    copy $conf_file,"/etc/apache2/default-server.conf";
     chmod(0444,"/etc/apache2/default-server.conf");
     # Make symlink for conf directory (included in loncapa_apache.conf)
     my $can_symlink = (eval { symlink('/etc/apache2','/srv/www/conf'); }, $@ eq '');
@@ -2034,7 +2212,7 @@ sub copy_apache2_suseconf {
         &print_and_log(&mt('Symlink creation failed for [_1] to [_2]. You will need to perform this action from the command line.',"'/srv/www/conf'","'/etc/apache2'")."\n");
     }
     &copy_apache2_conf_files($instdir);
-    &copy_sysconfig_apache2_file($instdir); 
+    &copy_sysconfig_apache2_file($instdir,$name,$version); 
     print_and_log("\n");
 }
 
@@ -2060,12 +2238,16 @@ sub copy_apache2_conf_files {
 ##
 ###############################################
 sub copy_sysconfig_apache2_file {
-    my ($instdir) = @_;
+    my ($instdir,$name,$version) = @_;
     print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',"'sysconfig/apache2'","'/etc/sysconfig/apache2'")."\n");
     if (!-e "/etc/sysconfig/apache2.original") {
         copy "/etc/sysconfig/apache2","/etc/sysconfig/apache2.original";
     }
-    copy "$instdir/sles-suse/sysconfig_apache2","/etc/sysconfig/apache2";
+    my $sysconf_file = "$instdir/sles-suse/sysconfig_apache2";
+    if (($name eq 'sles') && ($version >= 12)) {
+       $sysconf_file = "$instdir/sles-suse/apache2.4/sysconfig_apache2";
+    }
+    copy $sysconf_file,"/etc/sysconfig/apache2";
     chmod(0444,"/etc/sysconfig/apache2");
 }