Annotation of doc/install/linux/install.pl, revision 1.64
1.1 raeburn 1: #!/usr/bin/perl
2: # The LearningOnline Network
3: # Pre-installation script for LON-CAPA
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # http://www.lon-capa.org/
24: #
25:
26: use strict;
27: use File::Copy;
28: use Term::ReadKey;
1.47 raeburn 29: use Socket;
1.46 raeburn 30: use Sys::Hostname::FQDN();
1.1 raeburn 31: use DBI;
1.43 raeburn 32: use Cwd();
33: use File::Basename();
34: use lib File::Basename::dirname(Cwd::abs_path($0));
1.1 raeburn 35: use LCLocalization::localize;
36:
37: # ========================================================= The language handle
38:
39: my %languages = (
40: ar => 'Arabic',
41: de => 'German',
42: en => 'English',
43: es => 'Spanish (Castellan)',
44: fa => 'Persian',
45: fr => 'French',
46: he => 'Hebrew',
47: ja => 'Japanese',
48: pt => 'Portuguese',
49: ru => 'Russian',
50: tr => 'Turkish',
51: zh => 'Chinese Simplified'
52: );
53:
54: use vars qw($lh $lang);
55: $lang = 'en';
56: if (@ARGV > 0) {
57: foreach my $poss (keys(%languages)) {
58: if ($ARGV[0] eq $poss) {
59: $lang = $ARGV[0];
60: }
61: }
62: }
63:
64: &get_language_handle($lang);
65:
66: # Check user has root privs
67: if (0 != $<) {
68: print &mt('This script must be run as root.')."\n".
69: &mt('Stopping execution.')."\n";
70: exit;
71: }
72:
73:
74: # Globals: filehandle LOG is global.
75: if (!open(LOG,">>loncapa_install.log")) {
76: print &mt('Unable to open log file.')."\n".
77: &mt('Stopping execution.')."\n";
78: exit;
79: } else {
1.64 ! raeburn 80: print LOG '$Id: install.pl,v 1.63 2020/05/01 14:13:31 raeburn Exp $'."\n";
1.1 raeburn 81: }
82:
83: #
1.2 raeburn 84: # Helper routines and routines to establish recommended actions
1.1 raeburn 85: #
86:
87: sub get_language_handle {
88: my @languages = @_;
89: $lh=LCLocalization::localize->get_handle(@languages);
90: }
91:
92: sub mt (@) {
93: if ($lh) {
94: if ($_[0] eq '') {
95: if (wantarray) {
96: return @_;
97: } else {
98: return $_[0];
99: }
100: } else {
101: return $lh->maketext(@_);
102: }
103: } else {
104: if (wantarray) {
105: return @_;
106: } else {
107: return $_[0];
108: }
109: }
110: }
111:
112: sub texthash {
113: my (%hash) = @_;
114: foreach (keys(%hash)) {
115: $hash{$_}=&mt($hash{$_});
116: }
117: return %hash;
118: }
119:
120:
121: sub skip_if_nonempty {
122: my ($string,$error)=@_;
123: return if (! defined($error));
124: chomp($string);chomp($error);
125: if ($string ne '') {
126: print_and_log("$error\n".&mt('Stopping execution.')."\n");
127: return 1;
128: }
129: return;
130: }
131:
132: sub writelog {
133: while ($_ = shift) {
134: chomp();
135: print LOG "$_\n";
136: }
137: }
138:
139: sub print_and_log {
140: while ($_=shift) {
141: chomp();
142: print "$_\n";
143: print LOG "$_\n";
144: }
145: }
146:
147: sub get_user_selection {
148: my ($defaultrun) = @_;
149: my $do_action = 0;
150: my $choice = <STDIN>;
151: chomp($choice);
152: $choice =~ s/(^\s+|\s+$)//g;
153: my $yes = &mt('y');
154: if ($defaultrun) {
155: if (($choice eq '') || ($choice =~ /^\Q$yes\E/i)) {
156: $do_action = 1;
157: }
158: } else {
159: if ($choice =~ /^\Q$yes\E/i) {
160: $do_action = 1;
161: }
162: }
163: return $do_action;
164: }
165:
166: sub get_distro {
1.49 raeburn 167: my ($distro,$gotprereqs,$updatecmd,$packagecmd,$installnow,$unknown);
1.1 raeburn 168: $packagecmd = '/bin/rpm -q LONCAPA-prerequisites ';
1.55 raeburn 169: if (-e '/etc/oracle-release') {
170: open(IN,'</etc/oracle-release');
171: my $versionstring=<IN>;
172: chomp($versionstring);
173: close(IN);
174: if ($versionstring =~ /^Oracle Linux Server release (\d+)/) {
175: my $version = $1;
176: $distro = 'oracle'.$1;
177: $updatecmd = 'yum install LONCAPA-prerequisites';
178: $installnow = 'yum -y install LONCAPA-prerequisites';
179: }
180: } elsif (-e '/etc/redhat-release') {
1.1 raeburn 181: open(IN,'</etc/redhat-release');
182: my $versionstring=<IN>;
183: chomp($versionstring);
184: close(IN);
185: if ($versionstring =~ /^Red Hat Linux release ([\d\.]+) /) {
186: my $version = $1;
187: if ($version=~/^7\./) {
188: $distro='redhat7';
189: } elsif ($version=~/^8\./) {
190: $distro='redhat8';
191: } elsif ($version=~/^9/) {
192: $distro='redhat9';
193: }
194: } elsif ($versionstring =~ /Fedora( Core)? release ([\d\.]+) /) {
195: my $version=$2;
196: if ($version - int($version) > .9) {
197: $distro = 'fedora'.(int($version)+1);
198: } else {
199: $distro = 'fedora'.int($version);
200: }
201: $updatecmd = 'yum install LONCAPA-prerequisites';
202: $installnow = 'yum -y install LONCAPA-prerequisites';
203: } elsif ($versionstring =~ /Red Hat Enterprise Linux [AE]S release ([\d\.]+) /) {
204: $distro = 'rhes'.$1;
205: $updatecmd = 'up2date -i LONCAPA-prerequisites';
206: } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
207: $distro = 'rhes'.$1;
208: $updatecmd = 'yum install LONCAPA-prerequisites';
209: $installnow = 'yum -y install LONCAPA-prerequisites';
1.54 raeburn 210: } elsif ($versionstring =~ /Red Hat Enterprise Linux release (\d+)/) {
211: $distro = 'rhes'.$1;
212: $updatecmd = 'dnf install LONCAPA-prerequisites';
213: $installnow = 'dnf -y install LONCAPA-prerequisites';
1.21 raeburn 214: } elsif ($versionstring =~ /CentOS(?:| Linux) release (\d+)/) {
1.1 raeburn 215: $distro = 'centos'.$1;
216: $updatecmd = 'yum install LONCAPA-prerequisites';
217: $installnow = 'yum -y install LONCAPA-prerequisites';
1.22 raeburn 218: } elsif ($versionstring =~ /Scientific Linux (?:SL )?release ([\d.]+) /) {
1.1 raeburn 219: my $ver = $1;
220: $ver =~ s/\.\d+$//;
221: $distro = 'scientific'.$ver;
222: $updatecmd = 'yum install LONCAPA-prerequisites';
223: $installnow = 'yum -y install LONCAPA-prerequisites';
224: } else {
225: print &mt('Unable to interpret [_1] to determine system type.',
226: '/etc/redhat-release')."\n";
1.49 raeburn 227: $unknown = 1;
1.1 raeburn 228: }
229: } elsif (-e '/etc/SuSE-release') {
230: open(IN,'</etc/SuSE-release');
231: my $versionstring=<IN>;
232: chomp($versionstring);
233: close(IN);
234: if ($versionstring =~ /^SUSE LINUX Enterprise Server ([\d\.]+) /i) {
235: $distro='sles'.$1;
236: if ($1 >= 10) {
237: $updatecmd = 'zypper install LONCAPA-prerequisites';
238: } else {
239: $updatecmd = 'yast -i LONCAPA-prerequisites';
240: }
241: } elsif ($versionstring =~ /^SuSE Linux ([\d\.]+) /i) {
242: $distro = 'suse'.$1;
1.12 raeburn 243: $updatecmd = 'yast -i LONCAPA-prerequisites';
1.1 raeburn 244: } elsif ($versionstring =~ /^openSUSE ([\d\.]+) /i) {
245: $distro = 'suse'.$1;
246: if ($1 >= 10.3 ) {
247: $updatecmd = 'zypper install LONCAPA-prerequisites';
248: } else {
249: $updatecmd = 'yast -i LONCAPA-prerequisites';
250: }
251: } else {
252: print &mt('Unable to interpret [_1] to determine system type.',
253: '/etc/SuSE-release')."\n";
1.49 raeburn 254: $unknown = 1;
1.1 raeburn 255: }
256: } elsif (-e '/etc/issue') {
257: open(IN,'</etc/issue');
258: my $versionstring=<IN>;
259: chomp($versionstring);
260: close(IN);
261: if ($versionstring =~ /^Ubuntu (\d+)\.\d+/i) {
262: $distro = 'ubuntu'.$1;
263: $updatecmd = 'sudo apt-get install loncapa-prerequisites';
264: } elsif ($versionstring =~ /^Debian\s+GNU\/Linux\s+(\d+)\.\d+/i) {
265: $distro = 'debian'.$1;
1.49 raeburn 266: $updatecmd = 'apt-get install loncapa-prerequisites';
1.1 raeburn 267: } elsif (-e '/etc/debian_version') {
268: open(IN,'</etc/debian_version');
269: my $version=<IN>;
270: chomp($version);
271: close(IN);
272: if ($version =~ /^(\d+)\.\d+\.?\d*/) {
273: $distro='debian'.$1;
1.49 raeburn 274: $updatecmd = 'apt-get install loncapa-prerequisites';
1.1 raeburn 275: } else {
276: print &mt('Unable to interpret [_1] to determine system type.',
277: '/etc/debian_version')."\n";
1.49 raeburn 278: $unknown = 1;
1.1 raeburn 279: }
1.49 raeburn 280: }
281: if ($distro ne '') {
282: $packagecmd = '/usr/bin/dpkg -l loncapa-prerequisites ';
1.1 raeburn 283: }
284: } elsif (-e '/etc/debian_version') {
285: open(IN,'</etc/debian_version');
286: my $version=<IN>;
287: chomp($version);
288: close(IN);
289: if ($version =~ /^(\d+)\.\d+\.?\d*/) {
290: $distro='debian'.$1;
291: $packagecmd = '/usr/bin/dpkg -l loncapa-prerequisites ';
292: $updatecmd = 'apt-get install loncapa-prerequisites';
293: } else {
294: print &mt('Unable to interpret [_1] to determine system type.',
295: '/etc/debian_version')."\n";
1.49 raeburn 296: $unknown = 1;
297: }
298: }
299: if (($distro eq '') && (!$unknown)) {
300: if (-e '/etc/os-release') {
301: if (open(IN,'<','/etc/os-release')) {
302: my ($id,$version);
303: while(<IN>) {
304: chomp();
305: if (/^ID="(\w+)"/) {
306: $id=$1;
307: } elsif (/^VERSION_ID="([\d\.]+)"/) {
308: $version=$1;
309: }
310: }
311: close(IN);
312: if ($id eq 'sles') {
313: my ($major,$minor) = split(/\./,$version);
314: if ($major =~ /^\d+$/) {
315: $distro = $id.$major;
316: $updatecmd = 'zypper install LONCAPA-prerequisites';
317: }
318: }
319: }
320: if ($distro eq '') {
321: print &mt('Unable to interpret [_1] to determine system type.',
322: '/etc/os-release')."\n";
323: $unknown = 1;
324: }
325: } else {
1.55 raeburn 326: print &mt('Unknown installation: expecting a debian, ubuntu, suse, sles, redhat, fedora, scientific linux, or oracle linux system.')."\n";
1.1 raeburn 327: }
328: }
329: return ($distro,$packagecmd,$updatecmd,$installnow);
330: }
331:
1.47 raeburn 332: #
333: # get_hostname() prompts the user to provide the server's hostname.
334: #
335: # If invalid input is provided, the routine is called recursively
336: # until, a valid hostname is provided.
337: #
338:
1.46 raeburn 339: sub get_hostname {
340: my $hostname;
341: print &mt('Enter the hostname of this server, e.g., loncapa.somewhere.edu'."\n");
342: my $choice = <STDIN>;
343: chomp($choice);
344: $choice =~ s/(^\s+|\s+$)//g;
345: if ($choice eq '') {
346: print &mt("Hostname you entered was either blank or contanied only white space.\n");
347: } elsif ($choice =~ /^[\w\.\-]+$/) {
348: $hostname = $choice;
349: } else {
350: print &mt("Hostname you entered was invalid -- a hostname may only contain letters, numbers, - and .\n");
351: }
352: while ($hostname eq '') {
353: $hostname = &get_hostname();
354: }
355: print "\n";
356: return $hostname;
357: }
358:
1.47 raeburn 359: #
1.62 raeburn 360: # get_hostip() prompts the user to provide the server's IPv4 IP address
1.47 raeburn 361: #
362: # If invalid input is provided, the routine is called recursively
363: # until, a valid IPv4 address is provided.
364: #
365:
366: sub get_hostip {
367: my $hostip;
368: print &mt('Enter the IP address of this server, e.g., 192.168.10.24'."\n");
369: my $choice = <STDIN>;
370: chomp($choice);
371: $choice =~ s/(^\s+|\s+$)//g;
372: my $badformat = 1;
373: if ($choice eq '') {
374: print &mt("IP address you entered was either blank or contained only white space.\n");
375: } else {
376: if ($choice =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/) {
377: if (($1<=255) && ($2<=255) && ($3<=255) && ($4<=255)) {
378: $badformat = 0;
379: }
380: }
381: if ($badformat) {
382: print &mt('Host IP you entered was invalid -- a host IP has the format d.d.d.d where each d is an integer between 0 and 255')."\n";
383: } else {
384: $hostip = $choice;
385: }
386: }
387: while ($hostip eq '') {
388: $hostip = &get_hostip();
389: }
390: print "\n";
391: return $hostip;
392: }
393:
1.1 raeburn 394: sub check_prerequisites {
395: my ($packagecmd,$distro) = @_;
396: my $gotprereqs;
397: if ($packagecmd ne '') {
398: if (open(PIPE,"$packagecmd|")) {
399: if ($distro =~ /^(debian|ubuntu)/) {
400: my @lines = <PIPE>;
401: chomp(@lines);
402: foreach my $line (@lines) {
403: if ($line =~ /^ii\s+loncapa-prerequisites\s+([\w\.]+)/) {
404: $gotprereqs = $1;
405: }
406: }
407: } else {
408: my $line = <PIPE>;
409: chomp($line);
1.8 raeburn 410: if ($line =~ /^LONCAPA\-prerequisites\-([\d\-]+)\.(?:[.\w]+)$/) {
1.1 raeburn 411: $gotprereqs = $1;
412: }
413: }
414: close(PIPE);
415: } else {
416: print &mt('Error: could not determine if LONCAPA-prerequisites package is installed')."\n";
417: }
418: }
419: return $gotprereqs;
420: }
421:
1.6 raeburn 422: sub check_locale {
423: my ($distro) = @_;
1.63 raeburn 424: my ($fh,$langvar,$command,$earlyout);
1.8 raeburn 425: $langvar = 'LANG';
1.6 raeburn 426: if ($distro =~ /^(ubuntu|debian)/) {
427: if (!open($fh,"</etc/default/locale")) {
428: print &mt('Failed to open: [_1], default locale not checked.',
429: '/etc/default/locale');
1.63 raeburn 430: $earlyout = 1;
1.6 raeburn 431: }
1.49 raeburn 432: } elsif ($distro =~ /^(suse|sles)(\d+)/) {
433: if (($1 eq 'sles') && ($2 >= 15)) {
434: if (!open($fh,"</etc/locale.conf")) {
435: print &mt('Failed to open: [_1], default locale not checked.',
436: '/etc/locale.conf');
1.63 raeburn 437: $earlyout = 1;
1.49 raeburn 438: }
439: } else {
440: if (!open($fh,"</etc/sysconfig/language")) {
441: print &mt('Failed to open: [_1], default locale not checked.',
442: '/etc/sysconfig/language');
1.63 raeburn 443: $earlyout = 1;
1.49 raeburn 444: }
445: $langvar = 'RC_LANG';
1.8 raeburn 446: }
1.24 raeburn 447: } elsif ($distro =~ /^fedora(\d+)/) {
448: if ($1 >= 18) {
449: if (!open($fh,"</etc/locale.conf")) {
450: print &mt('Failed to open: [_1], default locale not checked.',
451: '/etc/locale.conf');
1.63 raeburn 452: $earlyout = 1;
1.24 raeburn 453: }
454: } elsif (!open($fh,"</etc/sysconfig/i18n")) {
455: print &mt('Failed to open: [_1], default locale not checked.',
456: '/etc/sysconfig/i18n');
457: }
1.56 raeburn 458: } elsif ($distro =~ /^(?:rhes|centos|scientific|oracle)(\d+)/) {
1.29 raeburn 459: if ($1 >= 7) {
460: if (!open($fh,"</etc/locale.conf")) {
461: print &mt('Failed to open: [_1], default locale not checked.',
462: '/etc/locale.conf');
1.63 raeburn 463: $earlyout = 1;
1.29 raeburn 464: }
465: } elsif (!open($fh,"</etc/sysconfig/i18n")) {
466: print &mt('Failed to open: [_1], default locale not checked.',
467: '/etc/sysconfig/i18n');
1.63 raeburn 468: $earlyout = 1;
1.29 raeburn 469: }
1.6 raeburn 470: } else {
471: if (!open($fh,"</etc/sysconfig/i18n")) {
472: print &mt('Failed to open: [_1], default locale not checked.',
473: '/etc/sysconfig/i18n');
1.63 raeburn 474: $earlyout = 1;
1.6 raeburn 475: }
476: }
1.63 raeburn 477: return if ($earlyout);
1.6 raeburn 478: my @data = <$fh>;
479: chomp(@data);
480: foreach my $item (@data) {
1.25 raeburn 481: if ($item =~ /^\Q$langvar\E=\"?([^\"]*)\"?/) {
1.6 raeburn 482: my $default = $1;
483: if ($default ne 'en_US.UTF-8') {
484: if ($distro =~ /^debian/) {
1.25 raeburn 485: $command = 'locale-gen en_US.UTF-8'."\n".
486: 'update-locale LANG=en_US.UTF-8';
1.6 raeburn 487: } elsif ($distro =~ /^ubuntu/) {
1.25 raeburn 488: $command = 'sudo locale-gen en_US.UTF-8'."\n".
489: 'sudo update-locale LANG=en_US.UTF-8';
1.7 raeburn 490: } elsif ($distro =~ /^(suse|sles)/) {
1.57 raeburn 491: $command = 'yast language';
1.54 raeburn 492: } elsif (-e '/usr/bin/system-config-language') {
493: $command = 'system-config-language';
494: } elsif (-e '/usr/bin/localectl') {
1.58 raeburn 495: $command = '/usr/bin/localectl set-locale LANG=en_US.UTF-8';
1.6 raeburn 496: } else {
1.54 raeburn 497: $command = 'No standard command found';
1.6 raeburn 498: }
499: }
500: last;
501: }
502: }
503: close($fh);
504: return $command;
505: }
506:
1.1 raeburn 507: sub check_required {
508: my ($instdir,$dsn) = @_;
509: my ($distro,$packagecmd,$updatecmd,$installnow) = &get_distro();
510: if ($distro eq '') {
511: return;
512: }
513: my $gotprereqs = &check_prerequisites($packagecmd,$distro);
514: if ($gotprereqs eq '') {
1.22 raeburn 515: return ($distro,$gotprereqs,'',$packagecmd,$updatecmd);
1.6 raeburn 516: }
517: my $localecmd = &check_locale($distro);
518: unless ($localecmd eq '') {
519: return ($distro,$gotprereqs,$localecmd);
1.1 raeburn 520: }
1.34 raeburn 521: my ($mysqlon,$mysqlsetup,$mysqlrestart,$dbh,$has_pass,$has_lcdb,%recommended,
1.46 raeburn 522: $downloadstatus,$filetouse,$production,$testing,$apachefw,$tostop,
1.47 raeburn 523: $uses_systemctl,$hostname,$hostip);
1.1 raeburn 524: my $wwwuid = &uid_of_www();
525: my $wwwgid = getgrnam('www');
526: if (($wwwuid eq '') || ($wwwgid eq '')) {
527: $recommended{'wwwuser'} = 1;
528: }
529: unless( -e "/usr/local/sbin/pwauth") {
530: $recommended{'pwauth'} = 1;
531: }
1.47 raeburn 532: $hostname = Sys::Hostname::FQDN::fqdn();
1.46 raeburn 533: if ($hostname eq '') {
534: $hostname =&get_hostname();
535: } else {
536: print &mt("Hostname detected: $hostname. Is that correct? ~[Y/n~]");
537: if (!&get_user_selection(1)) {
538: $hostname =&get_hostname();
539: }
540: }
1.47 raeburn 541: $hostip = Socket::inet_ntoa(scalar(gethostbyname($hostname)) || 'localhost');
542: if ($hostip eq '') {
543: $hostip=&get_hostip();
544: } else {
545: print &mt("Host IP address detected: $hostip. Is that correct? ~[Y/n~]");
546: if (!&get_user_selection(1)) {
547: $hostip=&get_hostip();
548: }
549: }
550: print_and_log("\n".&mt('Hostname is [_1] and IP address is [_2]',$hostname,$hostip)."\n");
1.1 raeburn 551: $mysqlon = &check_mysql_running($distro);
552: if ($mysqlon) {
553: my $mysql_has_wwwuser = &check_mysql_wwwuser();
1.34 raeburn 554: ($mysqlsetup,$has_pass,$dbh,$mysql_has_wwwuser) =
555: &check_mysql_setup($instdir,$dsn,$distro,$mysql_has_wwwuser);
556: if ($mysqlsetup eq 'needsrestart') {
557: $mysqlrestart = '';
558: if ($distro eq 'ubuntu') {
559: $mysqlrestart = 'sudo ';
560: }
561: $mysqlrestart .= 'service mysql restart';
562: return ($distro,$gotprereqs,$localecmd,$packagecmd,$updatecmd,$installnow,$mysqlrestart);
1.1 raeburn 563: } else {
1.34 raeburn 564: if ($mysqlsetup eq 'noroot') {
1.1 raeburn 565: $recommended{'mysqlperms'} = 1;
1.34 raeburn 566: } else {
567: unless ($mysql_has_wwwuser) {
568: $recommended{'mysqlperms'} = 1;
569: }
570: }
571: if ($dbh) {
572: $has_lcdb = &check_loncapa_mysqldb($dbh);
573: }
574: unless ($has_lcdb) {
575: $recommended{'mysql'} = 1;
1.1 raeburn 576: }
577: }
578: }
1.47 raeburn 579: my ($sslhostsfilesref,$has_std,$has_int,$rewritenum,$nochgstd,$nochgint);
1.5 raeburn 580: ($recommended{'firewall'},$apachefw) = &chkfirewall($distro);
1.35 raeburn 581: ($recommended{'runlevels'},$tostop,$uses_systemctl) = &chkconfig($distro,$instdir);
1.1 raeburn 582: $recommended{'apache'} = &chkapache($distro,$instdir);
1.47 raeburn 583: ($recommended{'apachessl'},$sslhostsfilesref,$has_std,$has_int,$rewritenum,
584: $nochgstd,$nochgint) = &chkapachessl($distro,$instdir,$hostname,$hostip);
1.1 raeburn 585: $recommended{'stopsrvcs'} = &chksrvcs($distro,$tostop);
586: ($recommended{'download'},$downloadstatus,$filetouse,$production,$testing)
587: = &need_download();
1.6 raeburn 588: return ($distro,$gotprereqs,$localecmd,$packagecmd,$updatecmd,$installnow,
1.34 raeburn 589: $mysqlrestart,\%recommended,$dbh,$has_pass,$has_lcdb,$downloadstatus,
1.47 raeburn 590: $filetouse,$production,$testing,$apachefw,$uses_systemctl,$hostname,
591: $hostip,$sslhostsfilesref,$has_std,$has_int,$rewritenum,$nochgstd,
592: $nochgint);
1.1 raeburn 593: }
594:
595: sub check_mysql_running {
596: my ($distro) = @_;
1.23 raeburn 597: my $use_systemctl;
1.1 raeburn 598: my $mysqldaemon ='mysqld';
599: if ($distro =~ /^(suse|sles|debian|ubuntu)/) {
600: $mysqldaemon = 'mysql';
601: }
1.6 raeburn 602: my $process = 'mysqld_safe';
603: my $proc_owner = 'root';
604: if ($distro =~ /^ubuntu(\w+)/) {
605: if ($1 >= 10) {
606: $process = 'mysqld';
607: $proc_owner = 'mysql';
608: }
1.35 raeburn 609: } elsif ($distro =~ /^fedora(\d+)/) {
1.23 raeburn 610: if ($1 >= 16) {
611: $process = 'mysqld';
612: $proc_owner = 'mysql';
613: $use_systemctl = 1;
614: }
1.39 raeburn 615: if ($1 >= 19) {
1.37 raeburn 616: $mysqldaemon ='mariadb';
617: }
1.56 raeburn 618: } elsif ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)/) {
1.29 raeburn 619: if ($1 >= 7) {
620: $mysqldaemon ='mariadb';
621: $process = 'mysqld';
622: $proc_owner = 'mysql';
623: $use_systemctl = 1;
624: }
1.35 raeburn 625: } elsif ($distro =~ /^sles(\d+)/) {
626: if ($1 >= 12) {
627: $use_systemctl = 1;
1.42 raeburn 628: $proc_owner = 'mysql';
629: $process = 'mysqld';
1.35 raeburn 630: }
1.49 raeburn 631: if ($1 >= 15) {
632: $mysqldaemon ='mariadb';
633: }
1.35 raeburn 634: } elsif ($distro =~ /^suse(\d+)/) {
635: if ($1 >= 13) {
636: $use_systemctl = 1;
637: }
1.29 raeburn 638: }
1.35 raeburn 639: if (open(PIPE,"ps -ef |grep $process |grep ^$proc_owner |grep -v grep 2>&1 |")) {
1.1 raeburn 640: my $status = <PIPE>;
641: close(PIPE);
642: chomp($status);
1.6 raeburn 643: if ($status =~ /^\Q$proc_owner\E\s+\d+\s+/) {
1.1 raeburn 644: print_and_log(&mt('MySQL is running.')."\n");
645: return 1;
646: } else {
1.23 raeburn 647: if ($use_systemctl) {
648: system("/bin/systemctl start $mysqldaemon.service >/dev/null 2>&1 ");
649: } else {
650: system("/etc/init.d/$mysqldaemon start >/dev/null 2>&1 ");
651: }
1.1 raeburn 652: print_and_log(&mt('Waiting for MySQL to start.')."\n");
653: sleep 5;
1.12 raeburn 654: if (open(PIPE,"ps -ef |grep $process |grep -v grep 2>&1 |")) {
655: $status = <PIPE>;
1.1 raeburn 656: close(PIPE);
657: chomp($status);
1.12 raeburn 658: if ($status =~ /^\Q$proc_owner\E\s+\d+\s+/) {
1.1 raeburn 659: print_and_log(&mt('MySQL is running.')."\n");
660: return 1;
661: } else {
1.12 raeburn 662: print_and_log(&mt('Still waiting for MySQL to start.')."\n");
663: sleep 5;
664: if (open(PIPE,"ps -ef |grep $process |grep -v grep 2>&1 |")) {
665: $status = <PIPE>;
666: close(PIPE);
667: chomp($status);
668: if ($status =~ /^\Q$proc_owner\E\s+\d+\s+/) {
669: print_and_log(&mt('MySQL is running.')."\n");
670: return 1;
671: } else {
672: print_and_log(&mt('Given up waiting for MySQL to start.')."\n");
673: }
674: }
1.1 raeburn 675: }
676: }
677: }
678: } else {
679: print &mt('Could not determine if MySQL is running.')."\n";
680: }
681: return;
682: }
683:
684: sub chkconfig {
1.8 raeburn 685: my ($distro,$instdir) = @_;
1.23 raeburn 686: my (%needfix,%tostop,%uses_systemctl);
1.1 raeburn 687: my $checker_bin = '/sbin/chkconfig';
1.23 raeburn 688: my $sysctl_bin = '/bin/systemctl';
1.6 raeburn 689: my %daemon = (
690: mysql => 'mysqld',
691: apache => 'httpd',
692: cups => 'cups',
693: ntp => 'ntpd',
694: memcached => 'memcached',
695: );
1.1 raeburn 696: my @runlevels = qw/3 4 5/;
697: my @norunlevels = qw/0 1 6/;
698: if ($distro =~ /^(suse|sles)/) {
699: @runlevels = qw/3 5/;
700: @norunlevels = qw/0 2 1 6/;
1.6 raeburn 701: $daemon{'mysql'} = 'mysql';
702: $daemon{'apache'} = 'apache2';
1.8 raeburn 703: $daemon{'ntp'} = 'ntp';
1.1 raeburn 704: if ($distro =~ /^(suse|sles)9/) {
1.6 raeburn 705: $daemon{'apache'} = 'apache';
1.1 raeburn 706: }
1.35 raeburn 707: if ($distro =~ /^(suse|sles)([\d\.]+)/) {
708: my $name = $1;
709: my $num = $2;
710: if ($num > 11) {
1.26 raeburn 711: $uses_systemctl{'apache'} = 1;
1.35 raeburn 712: if (($name eq 'sles') || ($name eq 'suse' && $num >= 13.2)) {
713: $uses_systemctl{'mysql'} = 1;
714: $uses_systemctl{'ntp'} = 1;
715: $uses_systemctl{'cups'} = 1;
716: $uses_systemctl{'memcached'} = 1;
1.49 raeburn 717: if (($name eq 'sles') && ($num >= 15)) {
718: $daemon{'ntp'} = 'chronyd';
719: $daemon{'mysql'} = 'mariadb';
720: } else {
721: $daemon{'ntp'} = 'ntpd';
722: }
1.35 raeburn 723: }
1.26 raeburn 724: }
725: }
1.6 raeburn 726: } elsif ($distro =~ /^(?:debian|ubuntu)(\d+)/) {
727: my $version = $1;
1.1 raeburn 728: @runlevels = qw/2 3 4 5/;
729: @norunlevels = qw/0 1 6/;
1.44 raeburn 730: if (($distro =~ /^ubuntu/) && ($version <= 16)) {
731: $checker_bin = '/usr/sbin/sysv-rc-conf';
732: } else {
733: $uses_systemctl{'ntp'} = 1;
734: $uses_systemctl{'mysql'} = 1;
735: $uses_systemctl{'apache'} = 1;
736: $uses_systemctl{'memcached'} = 1;
737: $uses_systemctl{'cups'} = 1;
738: }
1.6 raeburn 739: $daemon{'mysql'} = 'mysql';
740: $daemon{'apache'} = 'apache2';
741: $daemon{'ntp'} = 'ntp';
742: if (($distro =~ /^ubuntu/) && ($version <= 8)) {
743: $daemon{'cups'} = 'cupsys';
744: }
1.61 raeburn 745: if (($distro =~ /^ubuntu/) && ($version >= 18)) {
746: $daemon{'ntp'} = 'chrony';
747: }
1.26 raeburn 748: } elsif ($distro =~ /^fedora(\d+)/) {
1.23 raeburn 749: my $version = $1;
750: if ($version >= 15) {
751: $uses_systemctl{'ntp'} = 1;
752: }
753: if ($version >= 16) {
754: $uses_systemctl{'mysql'} = 1;
755: $uses_systemctl{'apache'} = 1;
1.35 raeburn 756: $uses_systemctl{'memcached'} = 1;
757: $uses_systemctl{'cups'} = 1;
1.23 raeburn 758: }
1.39 raeburn 759: if ($version >= 19) {
1.37 raeburn 760: $daemon{'mysql'} = 'mariadb';
761: }
1.59 raeburn 762: if ($version >= 26) {
763: $daemon{'ntp'} = 'chronyd';
764: }
1.56 raeburn 765: } elsif ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)/) {
1.29 raeburn 766: my $version = $1;
767: if ($version >= 7) {
768: $uses_systemctl{'ntp'} = 1;
769: $uses_systemctl{'mysql'} = 1;
770: $uses_systemctl{'apache'} = 1;
1.35 raeburn 771: $uses_systemctl{'memcached'} = 1;
772: $uses_systemctl{'cups'} = 1;
1.30 raeburn 773: $daemon{'mysql'} = 'mariadb';
1.29 raeburn 774: }
1.56 raeburn 775: if (($version >= 8) || ($distro eq 'oracle7')) {
1.54 raeburn 776: $daemon{'ntp'} = 'chronyd';
777: }
1.1 raeburn 778: }
1.23 raeburn 779: my $nocheck;
1.1 raeburn 780: if (! -x $checker_bin) {
1.23 raeburn 781: if ($uses_systemctl{'mysql'} && $uses_systemctl{'apache'}) {
782: if (! -x $sysctl_bin) {
783: $nocheck = 1;
784: }
785: } else {
786: $nocheck = 1;
787: }
788: }
789: if ($nocheck) {
1.6 raeburn 790: print &mt('Could not check runlevel status for MySQL or Apache')."\n";
1.1 raeburn 791: return;
792: }
793: my $rlstr = join('',@runlevels);
794: my $nrlstr = join('',@norunlevels);
1.23 raeburn 795:
1.6 raeburn 796: foreach my $type ('apache','mysql','ntp','cups','memcached') {
797: my $service = $daemon{$type};
1.23 raeburn 798: if ($uses_systemctl{$type}) {
1.35 raeburn 799: if (($type eq 'memcached') || ($type eq 'cups')) {
800: if (-l "/etc/systemd/system/multi-user.target.wants/$service.service") {
801: $tostop{$type} = 1;
802: }
803: } else {
804: if (!-l "/etc/systemd/system/multi-user.target.wants/$service.service") {
805: $needfix{$type} = "systemctl enable $service.service";
806: }
1.23 raeburn 807: }
808: } else {
809: my $command = $checker_bin.' --list '.$service.' 2>/dev/null';
1.35 raeburn 810: if ($type eq 'cups') {
1.23 raeburn 811: if ($distro =~ /^(?:debian|ubuntu)(\d+)/) {
812: my $version = $1;
813: if (($distro =~ /^ubuntu/) && ($version <= 8)) {
814: $command = $checker_bin.' --list cupsys 2>/dev/null';
1.19 raeburn 815: }
816: }
817: }
1.23 raeburn 818: my $results = `$command`;
819: my $tofix;
820: if ($results eq '') {
821: if (($type eq 'apache') || ($type eq 'mysql') || ($type eq 'ntp')) {
822: if ($distro =~ /^(debian|ubuntu)/) {
823: $tofix = "update-rc.d $type defaults";
824: } else {
825: $tofix = "$checker_bin --add $service\n";
826: }
1.6 raeburn 827: }
1.23 raeburn 828: } else {
829: my %curr_runlevels;
830: for (my $rl=0; $rl<=6; $rl++) {
831: if ($results =~ /$rl:on/) { $curr_runlevels{$rl}++; }
832: }
833: if (($type eq 'apache') || ($type eq 'mysql') || ($type eq 'ntp')) {
834: my $warning;
835: foreach my $rl (@runlevels) {
836: if (!exists($curr_runlevels{$rl})) {
837: $warning = 1;
838: }
839: }
840: if ($warning) {
841: $tofix = "$checker_bin --level $rlstr $service on\n";
842: }
843: } elsif (keys(%curr_runlevels) > 0) {
844: $tostop{$type} = 1;
1.1 raeburn 845: }
846: }
1.23 raeburn 847: if ($tofix) {
848: $needfix{$type} = $tofix;
1.1 raeburn 849: }
1.5 raeburn 850: }
1.1 raeburn 851: }
852: if ($distro =~ /^(suse|sles)([\d\.]+)$/) {
853: my $name = $1;
854: my $version = $2;
855: my ($major,$minor);
856: if ($name eq 'suse') {
857: ($major,$minor) = split(/\./,$version);
858: } else {
859: $major = $version;
860: }
1.49 raeburn 861: if (($major > 10) && ($major <= 13)) {
1.8 raeburn 862: if (&check_SuSEfirewall2_setup($instdir)) {
863: $needfix{'insserv'} = 1;
864: }
1.1 raeburn 865: }
866: }
1.35 raeburn 867: return (\%needfix,\%tostop,\%uses_systemctl);
1.1 raeburn 868: }
869:
1.49 raeburn 870: sub uses_firewalld {
871: my ($distro) = @_;
1.53 raeburn 872: my ($inuse,$checkfirewalld,$zone);
1.49 raeburn 873: if ($distro =~ /^(suse|sles)([\d\.]+)$/) {
874: if (($1 eq 'sles') && ($2 >= 15)) {
875: $checkfirewalld = 1;
876: }
877: } elsif ($distro =~ /^fedora(\d+)$/) {
878: if ($1 >= 18) {
879: $checkfirewalld = 1;
880: }
1.56 raeburn 881: } elsif ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)/) {
1.49 raeburn 882: if ($1 >= 7) {
883: $checkfirewalld = 1;
884: }
885: }
886: if ($checkfirewalld) {
887: my ($loaded,$active);
888: if (open(PIPE,"systemctl status firewalld |")) {
889: while (<PIPE>) {
890: chomp();
891: if (/^\s*Loaded:\s+(\w+)/) {
892: $loaded = $1;
893: }
894: if (/^\s*Active\s+(\w+)/) {
895: $active = $1;
896: }
897: }
898: close(PIPE);
899: }
900: if (($loaded eq 'loaded') || ($active eq 'active')) {
901: $inuse = 1;
1.53 raeburn 902: my $cmd = 'firewall-cmd --get-default-zone';
903: if (open(PIPE,"$cmd |")) {
904: my $result = <PIPE>;
905: chomp($result);
906: close(PIPE);
907: if ($result =~ /^\w+$/) {
908: $zone = $result;
909: }
910: }
1.49 raeburn 911: }
912: }
1.53 raeburn 913: return ($inuse,$zone);
1.49 raeburn 914: }
915:
1.1 raeburn 916: sub chkfirewall {
1.5 raeburn 917: my ($distro) = @_;
1.1 raeburn 918: my $configfirewall = 1;
919: my %ports = (
920: http => 80,
921: https => 443,
922: );
1.5 raeburn 923: my %activefw;
1.53 raeburn 924: my ($firewalld,$zone) = &uses_firewalld($distro);
925: if ($firewalld) {
926: my %current;
927: if (open(PIPE,'firewall-cmd --permanent --zone='.$zone.' --list-services |')) {
928: my $svc = <PIPE>;
929: close(PIPE);
930: chomp($svc);
931: map { $current{$_} = 1; } (split(/\s+/,$svc));
932: }
933: if ($current{'http'} && $current{'https'}) {
934: $configfirewall = 0;
935: }
936: } else {
937: if (&firewall_is_active()) {
1.49 raeburn 938: my $iptables = &get_pathto_iptables();
939: if ($iptables eq '') {
940: print &mt('Firewall not checked as path to iptables not determined.')."\n";
941: } else {
942: my @fwchains = &get_fw_chains($iptables,$distro);
943: if (@fwchains) {
944: foreach my $service ('http','https') {
945: foreach my $fwchain (@fwchains) {
946: if (&firewall_is_port_open($iptables,$fwchain,$ports{$service})) {
947: $activefw{$service} = 1;
948: last;
949: }
1.1 raeburn 950: }
951: }
1.49 raeburn 952: if ($activefw{'http'}) {
953: $configfirewall = 0;
954: }
955: } else {
956: print &mt('Firewall not checked as iptables Chains not identified.')."\n";
1.1 raeburn 957: }
958: }
1.53 raeburn 959: } else {
960: print &mt('Firewall not enabled.')."\n";
1.1 raeburn 961: }
962: }
1.5 raeburn 963: return ($configfirewall,\%activefw);
1.1 raeburn 964: }
965:
966: sub chkapache {
967: my ($distro,$instdir) = @_;
968: my $fixapache = 1;
1.28 raeburn 969: if ($distro =~ /^(debian|ubuntu)(\d+)$/) {
970: my $distname = $1;
971: my $version = $2;
1.33 raeburn 972: my ($stdconf,$stdsite);
973: if (($distname eq 'ubuntu') && ($version > 12)) {
974: $stdconf = "$instdir/debian-ubuntu/ubuntu14/loncapa_conf";
975: $stdsite = "$instdir/debian-ubuntu/ubuntu14/loncapa_sites";
976: } else {
977: $stdconf = "$instdir/debian-ubuntu/loncapa";
978: }
979: if (!-e $stdconf) {
1.1 raeburn 980: $fixapache = 0;
981: print &mt('Warning: No LON-CAPA Apache configuration file found for installation check.')."\n";
1.28 raeburn 982: } else {
1.33 raeburn 983: my ($configfile,$sitefile);
1.28 raeburn 984: if (($distname eq 'ubuntu') && ($version > 12)) {
1.33 raeburn 985: $sitefile = '/etc/apache2/sites-available/loncapa';
1.28 raeburn 986: $configfile = "/etc/apache2/conf-available/loncapa";
1.33 raeburn 987: } else {
988: $configfile = "/etc/apache2/sites-available/loncapa";
1.28 raeburn 989: }
1.33 raeburn 990: if (($configfile ne '') && (-e $configfile) && (-e $stdconf)) {
991: if (open(PIPE, "diff --brief $stdconf $configfile |")) {
1.28 raeburn 992: my $diffres = <PIPE>;
993: close(PIPE);
994: chomp($diffres);
995: unless ($diffres) {
996: $fixapache = 0;
997: }
1.1 raeburn 998: }
999: }
1.33 raeburn 1000: if ((!$fixapache) && ($distname eq 'ubuntu') && ($version > 12)) {
1001: if (($sitefile ne '') && (-e $sitefile) && (-e $stdsite)) {
1002: if (open(PIPE, "diff --brief $stdsite $sitefile |")) {
1003: my $diffres = <PIPE>;
1004: close(PIPE);
1005: chomp($diffres);
1006: unless ($diffres) {
1007: $fixapache = 0;
1008: }
1009: }
1010: }
1011: }
1.1 raeburn 1012: }
1.6 raeburn 1013: if (!$fixapache) {
1014: foreach my $module ('headers.load','expires.load') {
1015: unless (-l "/etc/apache2/mods-enabled/$module") {
1016: $fixapache = 1;
1017: }
1018: }
1019: }
1.64 ! raeburn 1020: if ((!$fixapache) && ($distname eq 'ubuntu')) {
! 1021: my $sitestatus = "/etc/apache2/mods-available/status.conf";
! 1022: my $stdstatus = "$instdir/debian-ubuntu/status.conf";
! 1023: if ((-e $stdstatus) && (-e $sitestatus)) {
! 1024: if (open(PIPE, "diff --brief $stdstatus $sitestatus |")) {
! 1025: my $diffres = <PIPE>;
! 1026: close(PIPE);
! 1027: chomp($diffres);
! 1028: if ($diffres) {
! 1029: $fixapache = 1;
! 1030: }
! 1031: }
! 1032: }
! 1033: }
1.49 raeburn 1034: } elsif ($distro =~ /^(suse|sles)([\d\.]+)$/) {
1035: my ($name,$version) = ($1,$2);
1.1 raeburn 1036: my $apache = 'apache';
1.57 raeburn 1037: my $conf_file = "$instdir/sles-suse/default-server.conf";
1.49 raeburn 1038: if ($version >= 10) {
1.8 raeburn 1039: $apache = 'apache2';
1.1 raeburn 1040: }
1.49 raeburn 1041: if (($name eq 'sles') && ($version >= 12)) {
1042: $conf_file = "$instdir/sles-suse/apache2.4/default-server.conf";
1043: }
1.57 raeburn 1044: if (!-e $conf_file) {
1.1 raeburn 1045: $fixapache = 0;
1046: print &mt('Warning: No LON-CAPA Apache configuration file found for installation check.')."\n";
1.49 raeburn 1047: } elsif (-e "/etc/$apache/default-server.conf") {
1048: if (open(PIPE, "diff --brief $conf_file /etc/$apache/default-server.conf |")) {
1.9 raeburn 1049: my $diffres = <PIPE>;
1050: close(PIPE);
1051: chomp($diffres);
1052: unless ($diffres) {
1053: $fixapache = 0;
1054: }
1055: }
1056: }
1057: } elsif ($distro eq 'rhes4') {
1058: if (!-e "$instdir/rhes4/httpd.conf") {
1059: $fixapache = 0;
1060: print &mt('Warning: No LON-CAPA Apache configuration file found for installation check.')."\n";
1061: } elsif ((-e "/etc/httpd/conf/httpd.conf") && (-e "$instdir/rhes4/httpd.conf")) {
1062: if (open(PIPE, "diff --brief $instdir/rhes4/httpd.conf /etc/httpd/conf/httpd.conf |")) {
1.1 raeburn 1063: my $diffres = <PIPE>;
1064: close(PIPE);
1065: chomp($diffres);
1066: unless ($diffres) {
1067: $fixapache = 0;
1068: }
1069: }
1070: }
1071: } else {
1.14 raeburn 1072: my $configfile = 'httpd.conf';
1.59 raeburn 1073: my $mpmfile = 'mpm.conf';
1.56 raeburn 1074: if ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {
1.29 raeburn 1075: if ($1 >= 7) {
1076: $configfile = 'apache2.4/httpd.conf';
1077: } elsif ($1 > 5) {
1.14 raeburn 1078: $configfile = 'new/httpd.conf';
1079: }
1080: } elsif ($distro =~ /^fedora(\d+)$/) {
1.29 raeburn 1081: if ($1 > 17) {
1.59 raeburn 1082: $configfile = 'apache2.4/httpd.conf';
1.29 raeburn 1083: } elsif ($1 > 10) {
1.15 raeburn 1084: $configfile = 'new/httpd.conf';
1.14 raeburn 1085: }
1086: }
1087: if (!-e "$instdir/centos-rhes-fedora-sl/$configfile") {
1.1 raeburn 1088: $fixapache = 0;
1089: print &mt('Warning: No LON-CAPA Apache configuration file found for installation check.')."\n";
1.14 raeburn 1090: } elsif ((-e "/etc/httpd/conf/httpd.conf") && (-e "$instdir/centos-rhes-fedora-sl/$configfile")) {
1091: if (open(PIPE, "diff --brief $instdir/centos-rhes-fedora-sl/$configfile /etc/httpd/conf/httpd.conf |")) {
1.1 raeburn 1092: my $diffres = <PIPE>;
1093: close(PIPE);
1094: chomp($diffres);
1095: unless ($diffres) {
1096: $fixapache = 0;
1097: }
1098: }
1099: }
1.59 raeburn 1100: if (-e "/etc/httpd/conf.modules.d/00-mpm.conf") {
1101: if (!-e "$instdir/centos-rhes-fedora-sl/$mpmfile") {
1102: print &mt('Warning: No LON-CAPA Apache MPM configuration file found for installation check.')."\n";
1103: } elsif ((-e "/etc/httpd/conf.modules.d/00-mpm.conf") && (-e "$instdir/centos-rhes-fedora-sl/$mpmfile")) {
1104: if (open(PIPE, "diff --brief $instdir/centos-rhes-fedora-sl/$mpmfile /etc/httpd/conf.modules.d/00-mpm.conf |")) {
1105: my $diffres = <PIPE>;
1106: close(PIPE);
1107: chomp($diffres);
1108: if ($diffres) {
1109: $fixapache = 1;
1110: }
1111: }
1112: }
1113: }
1.1 raeburn 1114: }
1115: return $fixapache;
1116: }
1117:
1.47 raeburn 1118: #
1119: # chkapachessl() determines whether a server's Apache SSL configuration
1120: # needs updating to support LON-CAPA.
1121: #
1122: # LON-CAPA uses VirtualHosts for port 443, and requires that they are
1123: # defined in one Apache configuration file containing two VirtualHost
1124: # blocks, in order:
1125: #
1126: # (1) a block with no ServerName, or with ServerName set to the
1127: # server's hostname. This block should contain:
1128: #
1129: # <IfModule mod_rewrite.c>
1130: # LON-CAPA rewrite rules defined in sslrewrite.conf
1131: # </IfModule>
1132: #
1133: # (2) a block with ServerName set to internal-$hostname
1134: # (where $hostname is server's hostname).
1135: # This block should contain the config and rewrite rules
1136: # found in loncapassl.conf.
1137: #
1138: # chkapachessl() retrieves the names of .conf files in
1139: # the directory appropriate for the particular Linux distro,
1140: # and then checks to see which .conf file is the best candidate as
1141: # the single file containing VirtualHosts definitions and
1142: # <IfModule mod_rewrite.c> </IfModule> rewrite blocks.
1143: #
1144: # The best candidate is the one containing a block:
1145: # <VirtualHost ????? :443>
1146: # (where ????? might be _default_ or * or an IP address)
1147: # <IfModule mod_rewrite.c>
1148: # </IfModule>
1149: # </VirtualHost>
1150: # with the fewest differences between the contents of the
1151: # IfModule block and the expected contents (from sslrewrite.conf)
1152: #
1153: # If there are no files with rewrite blocks, then a candidate file
1154: # is chosen from the .conf files containing VirtualHosts definitions.
1155: #
1156: # If the user includes "Configure SSL for Apache web server" as
1157: # one of the actions to take to prepare the server for LON-CAPA
1158: # installation, then the output from &chkapachessl() will be
1159: # used to determined which file will contain VirtualHost configs.
1160: #
1161: # If there are no files containing VirtualHosts definitions, then
1162: # <VirtualHost *:443> </VirtualHost> blocks will be appended to
1163: # the standard Apache SSL config for the particular distro:
1164: # ssl.conf for RHEL/CentOS/Scientific/Fedora, vhost-ssl.conf
1165: # for SuSE/SLES, and default-ssl.conf for Ubuntu.
1166: #
1167: # Once a file is selected, the contents of sslrewrite.conf and
1168: # loncapassl.conf are compared with appropriate blocks in the file
1169: # and the user will be prompted to agree to insertion of missing
1170: # lines and/or deletion of surplus lines.
1171: #
1172:
1.46 raeburn 1173: sub chkapachessl {
1.47 raeburn 1174: my ($distro,$instdir,$hostname,$hostip) = @_;
1.46 raeburn 1175: my $fixapachessl = 1;
1.47 raeburn 1176: my $sslintconf = "$instdir/loncapassl.conf";
1177: my $sslrewriteconf = "$instdir/sslrewrite.conf";
1178: my (%sslfiles,%rewrites,%vhostonly,$has_std,$has_int,$rewritenum,$nochgint,$nochgstd);
1179: $nochgstd = 0;
1180: $nochgint = 0;
1181: if (!-e $sslintconf) {
1182: $fixapachessl = 0;
1183: print &mt('Warning: LON-CAPA SSL Apache configuration file [_1] needed for installation check.',$sslintconf)."\n";
1184: } elsif (!-e $sslrewriteconf) {
1.46 raeburn 1185: $fixapachessl = 0;
1.47 raeburn 1186: print &mt('Warning: LON-CAPA SSL Apache configuration file [_1] needed for installation check is missing.',$sslrewriteconf)."\n";
1.46 raeburn 1187: } else {
1.47 raeburn 1188: my $ssldir;
1.46 raeburn 1189: if ($distro =~ /^(debian|ubuntu)(\d+)$/) {
1.47 raeburn 1190: $ssldir = '/etc/apache2/sites-available';
1.46 raeburn 1191: } elsif ($distro =~ /(suse|sles)/) {
1.47 raeburn 1192: $ssldir = '/etc/apache2/vhosts.d';
1.46 raeburn 1193: } else {
1.47 raeburn 1194: $ssldir = '/etc/httpd/conf.d';
1195: }
1196: my @rewritessl = ();
1197: if (open(my $fh,'<',$sslrewriteconf)) {
1198: my $skipnext = 0;
1199: while (<$fh>) {
1200: chomp();
1201: s/(^\s+|\s+$)//g;
1202: next if ($_ eq '');
1203: next if ($_ eq '<IfModule mod_rewrite.c>');
1204: next if ($_ eq '</IfModule>');
1205: if ($_ eq 'RewriteCond %{REMOTE_ADDR} {[[[[HostIP]]]]}') {
1206: if (($hostip ne '') && ($hostip ne '127.0.0.1')) {
1207: push(@rewritessl,'RewriteCond %{REMOTE_ADDR} '.$hostip);
1208: next;
1209: } else {
1210: $skipnext = 1;
1211: }
1212: } elsif (($_ eq 'RewriteRule (.*) - [L]') && ($skipnext)) {
1213: $skipnext = 0;
1214: next;
1215: }
1216: push(@rewritessl,$_);
1217: }
1.46 raeburn 1218: }
1.47 raeburn 1219: my @intssl = ();
1220: if (open(my $fh,'<',$sslintconf)) {
1221: while(<$fh>) {
1222: chomp();
1223: s/(^\s+|\s+$)//g;
1224: next if ($_ eq '');
1225: if ($_ eq 'ServerName internal-{[[[[Hostname]]]]}') {
1226: if ($hostname ne '') {
1227: push(@intssl,'ServerName internal-'.$hostname);
1228: next;
1229: }
1230: }
1231: next if ($_ eq '<VirtualHost *:443>');
1232: next if ($_ eq '</VirtualHost>');
1233: push(@intssl,$_);
1234: }
1235: }
1236: if (-d $ssldir) {
1237: my @actualint = ();
1238: if (opendir(my $dir,$ssldir)) {
1239: my @sslconf_files;
1240: foreach my $file (grep(!/^\.+/,readdir($dir))) {
1241: next if (($distro =~ /(suse|sles)/) && ($file =~ /\.template$/));
1242: next if ($file =~ /\.rpmnew$/);
1243: if (open(my $fh,'<',"$ssldir/$file")) {
1244: while (<$fh>) {
1245: if (/^\s*<VirtualHost\s+[^:]*\:443>\s*$/) {
1246: push(@sslconf_files,$file);
1247: last;
1248: }
1249: }
1250: close($fh);
1251: }
1252: }
1253: closedir($dir);
1254: if (@sslconf_files) {
1255: foreach my $file (@sslconf_files) {
1256: if (open(my $fh,'<',"$ssldir/$file")) {
1257: my ($virtualhost,$rewrite,$num) = (0,0,0);
1258: my ($currname,$has_rewrite);
1259: while (<$fh>) {
1260: chomp();
1261: next if (/^\s*$/);
1262: if ($virtualhost) {
1263: if (/^\s*<\/VirtualHost>/) {
1264: if ($currname !~ /^\Qinternal-$hostname\E/) {
1265: if ($has_rewrite) {
1266: delete($vhostonly{$file});
1267: } else {
1268: $vhostonly{$file} = 1;
1269: }
1270: }
1271: $sslfiles{$currname}{$file} = 1;
1272: $virtualhost = 0;
1273: $currname = '';
1274: $has_rewrite = '';
1275: next;
1276: } elsif (/^\s*ServerName\s+([^\s]+)\s*$/) {
1277: $currname = $1;
1278: }
1279: if ($currname =~ /^\Qinternal-$hostname\E/) {
1280: s/(^\s+|\s+$)//g;
1281: push(@actualint,$_);
1282: $has_int = $file;
1283: } else {
1284: if ($rewrite) {
1285: if (/^\s*<\/IfModule>/) {
1286: $rewrite = 0;
1287: $num ++;
1288: } else {
1289: s/(^\s+|\s+$)//g;
1290: push(@{$rewrites{$file}[$num]},$_);
1291: }
1292: } elsif (/^\s*<IfModule\s+mod_rewrite\.c>/) {
1293: $rewrite = 1;
1294: $has_rewrite = 1;
1295: if ($currname eq '') {
1296: $currname = $hostname;
1297: }
1298: $rewrites{$file}[$num] = [];
1299: }
1300: }
1301: } elsif (/^\s*<VirtualHost\s+[^:]*\:443>\s*$/) {
1302: $virtualhost = 1;
1303: }
1304: }
1305: close($fh);
1306: }
1307: }
1308: }
1309: if (keys(%rewrites)) {
1310: my $mindiffsall;
1311: foreach my $file (sort(keys(%rewrites))) {
1312: if (ref($rewrites{$file}) eq 'ARRAY') {
1313: my $mindiffs;
1314: for (my $i=0; $i<@{$rewrites{$file}}; $i++) {
1315: if (ref($rewrites{$file}[$i]) eq 'ARRAY') {
1316: my @diffs = &compare_arrays($rewrites{$file}[$i],\@rewritessl);
1317: if (@diffs == 0) {
1318: $fixapachessl = 0;
1319: $mindiffs = 0;
1320: $rewritenum = 1+$i;
1321: last;
1322: } else {
1323: if ($mindiffs eq '') {
1324: $mindiffs = scalar(@diffs);
1325: $rewritenum = 1+$i;
1326: } elsif (scalar(@diffs) <= $mindiffs) {
1327: $mindiffs = scalar(@diffs);
1328: $rewritenum = 1+$i;
1329: }
1330: }
1331: }
1332: }
1333: if ($mindiffsall eq '') {
1334: $mindiffsall = $mindiffs;
1335: $has_std = $file;
1336: } elsif ($mindiffs <= $mindiffsall) {
1337: $mindiffsall = $mindiffs;
1338: $has_std = $file;
1339: }
1340: if ($mindiffsall == 0) {
1341: $nochgstd = 1;
1342: }
1343: }
1344: }
1345: } elsif (keys(%vhostonly) > 0) {
1346: if (($has_int ne '') && (exists($vhostonly{$has_int}))) {
1347: $has_std = $has_int;
1348: }
1349: }
1350: if (@actualint) {
1351: my @diffs = &compare_arrays(\@actualint,\@intssl);
1352: if (@diffs) {
1353: $fixapachessl = 1;
1354: } else {
1355: $nochgint = 1;
1356: }
1357: } else {
1358: $fixapachessl = 1;
1.46 raeburn 1359: }
1360: }
1361: }
1362: unless ($fixapachessl) {
1363: if ($distro =~ /^(debian|ubuntu)(\d+)$/) {
1.47 raeburn 1364: my $enabled_dir = '/etc/apache2/sites-enabled';
1365: if (keys(%sslfiles)) {
1366: foreach my $key (sort(keys(%sslfiles))) {
1367: if (ref($sslfiles{$key}) eq 'HASH') {
1368: foreach my $file (sort(keys(%{$sslfiles{$key}}))) {
1369: unless ((-l "$enabled_dir/$file") &&
1370: (readlink("$enabled_dir/$file") eq "$ssldir/$file")) {
1371: print_and_log(&mt("Warning, use: 'sudo a2ensite $file' to activate LON-CAPA SSL Apache config\n"));
1372: }
1373: }
1374: }
1375: }
1.46 raeburn 1376: }
1377: }
1378: }
1379: }
1.47 raeburn 1380: return ($fixapachessl,\%sslfiles,$has_std,$has_int,$rewritenum,$nochgstd,$nochgint);
1381: }
1382:
1383: #
1384: # compare_arrays() expects two refs to arrays as args.
1385: #
1386: # The contents of the two arrays are compared, and if they
1387: # are different, and array of the differences is returned.
1388: #
1389:
1390: sub compare_arrays {
1391: my ($arrayref1,$arrayref2) = @_;
1392: my (@difference,%count);
1393: @difference = ();
1394: %count = ();
1395: if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
1396: foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
1397: foreach my $element (keys(%count)) {
1398: if ($count{$element} == 1) {
1399: push(@difference,$element);
1400: }
1401: }
1402: }
1403: return @difference;
1.46 raeburn 1404: }
1405:
1.1 raeburn 1406: sub chksrvcs {
1407: my ($distro,$tostop) = @_;
1408: my %stopsrvcs;
1409: if (ref($tostop) eq 'HASH') {
1410: %stopsrvcs = %{$tostop};
1411: }
1.6 raeburn 1412: foreach my $service ('cups','memcached') {
1.1 raeburn 1413: next if (exists($stopsrvcs{$service}));
1414: my $daemon = $service;
1415: if ($service eq 'cups') {
1416: $daemon = 'cupsd';
1417: }
1418: my $cmd = "ps -ef |grep '$daemon' |grep -v grep";
1419: if (open(PIPE,'-|',$cmd)) {
1420: my $daemonrunning = <PIPE>;
1421: chomp($daemonrunning);
1422: close(PIPE);
1423: if ($daemonrunning) {
1.12 raeburn 1424: if ($service eq 'memcached') {
1.16 raeburn 1425: my $cmd = '/usr/bin/memcached';
1426: if ($distro =~ /^(suse|sles)/) {
1427: $cmd = '/usr/sbin/memcached';
1428: }
1.12 raeburn 1429: unless ($daemonrunning =~ m{^www[^/]+\Q$cmd -m 400 -v\E$}) {
1.10 raeburn 1430: $stopsrvcs{$service} = 1;
1431: }
1432: } else {
1433: $stopsrvcs{$service} = 1;
1434: }
1.1 raeburn 1435: }
1436: }
1.10 raeburn 1437: }
1.1 raeburn 1438: return \%stopsrvcs;
1439: }
1440:
1441: sub need_download {
1442: my $needs_download = 1;
1443: my ($production,$testing,$stdsizes) = &download_versionslist();
1444: my ($rootdir,$localcurrent,$localtesting,%tarball,%localsize,%bymodtime,
1445: %bysize,$filetouse,$downloadstatus);
1446: $rootdir = '/root';
1447: if (opendir(my $dir,"$rootdir")) {
1448: my (@lcdownloads,$version);
1449: foreach my $file (readdir($dir)) {
1450: if ($file =~ /^loncapa\-([\w\-.]+)\.tar\.gz$/) {
1451: $version = $1;
1452: } else {
1453: next;
1454: }
1455: if (ref($stdsizes) eq 'HASH') {
1456: if ($version eq 'current') {
1457: my @stats = stat("$rootdir/$file");
1458: $localcurrent = $stats[7];
1.4 raeburn 1459: if ($localcurrent == $stdsizes->{$production}) {
1.1 raeburn 1460: $needs_download = 0;
1461: $filetouse = $file;
1462: }
1463: } elsif ($version eq 'testing') {
1464: my @stats = stat("$rootdir/$file");
1465: $localtesting = $stats[7];
1.4 raeburn 1466: if ($localtesting == $stdsizes->{$testing}) {
1.1 raeburn 1467: $needs_download = 0;
1468: $filetouse = $file;
1469: }
1470: }
1471: }
1472: $tarball{$version} = $file;
1473: push(@lcdownloads,$version);
1474: }
1475: if ($needs_download) {
1476: if (@lcdownloads > 0) {
1477: foreach my $version (@lcdownloads) {
1478: my @stats = stat("$rootdir/$tarball{$version}");
1479: my $mtime = $stats[9];
1480: $localsize{$version} = $stats[7];
1481: if ($mtime) {
1482: push(@{$bymodtime{$mtime}},$version);
1483: }
1484: if ($localsize{$version}) {
1485: push(@{$bysize{$localsize{$version}}},$version);
1486: }
1487: }
1488: if ($testing) {
1489: if (exists($localsize{$testing})) {
1490: if ($stdsizes->{$testing} == $localsize{$testing}) {
1491: $needs_download = 0;
1492: $filetouse = 'loncapa-'.$testing.'.tar.gz';
1493: }
1494: }
1495: }
1496: if ($needs_download) {
1497: if ($production) {
1498: if (exists($localsize{$production})) {
1499: if ($stdsizes->{$production} == $localsize{$production}) {
1500: $needs_download = 0;
1501: $filetouse = 'loncapa-'.$production.'.tar.gz';
1502: }
1503: }
1504: }
1505: }
1506: if ($needs_download) {
1507: my @sorted = sort { $b <=> $a } keys(%bymodtime);
1508: my $newest = $sorted[0];
1509: if (ref($bymodtime{$newest}) eq 'ARRAY') {
1510: $downloadstatus =
1511: "Latest LON-CAPA source download in $rootdir is: ".
1512: join(',',@{$bymodtime{$newest}})." (downloaded ".
1513: localtime($newest).")\n";
1514: }
1515: } else {
1516: $downloadstatus =
1517: "The $rootdir directory already contains the latest LON-CAPA version:".
1518: "\n".$filetouse."\n"."which can be used for installation.\n";
1519: }
1520: } else {
1521: $downloadstatus = "The $rootdir directory does not appear to contain any downloaded LON-CAPA source code files which can be used for installation.\n";
1522: }
1523: }
1524: } else {
1525: $downloadstatus = "Could not open $rootdir directory to look for existing downloads of LON-CAPA source code.\n";
1526: }
1527: return ($needs_download,$downloadstatus,$filetouse,$production,$testing);
1528: }
1529:
1530: sub check_mysql_setup {
1.34 raeburn 1531: my ($instdir,$dsn,$distro,$mysql_has_wwwuser) = @_;
1.1 raeburn 1532: my ($mysqlsetup,$has_pass);
1533: my $dbh = DBI->connect($dsn,'root','',{'PrintError'=>0});
1534: if ($dbh) {
1535: $mysqlsetup = 'noroot';
1536: } elsif ($DBI::err =~ /1045/) {
1537: $has_pass = 1;
1.34 raeburn 1538: } elsif ($distro =~ /^ubuntu(\d+)$/) {
1539: my $version = $1;
1540: if ($1 > 12) {
1541: print_and_log(&mt('Restarting mysql, please be patient')."\n");
1542: if (open (PIPE, "service mysql restart 2>&1 |")) {
1543: while (<PIPE>) {
1544: print $_;
1545: }
1546: close(PIPE);
1547: }
1548: unless ($mysql_has_wwwuser) {
1549: $mysql_has_wwwuser = &check_mysql_wwwuser();
1550: }
1551: $dbh = DBI->connect($dsn,'root','',{'PrintError'=>0});
1552: if ($dbh) {
1553: $mysqlsetup = 'noroot';
1554: } elsif ($DBI::err =~ /1045/) {
1555: $has_pass = 1;
1556: } else {
1557: $mysqlsetup = 'needsrestart';
1558: return ($mysqlsetup,$has_pass,$dbh,$mysql_has_wwwuser);
1559: }
1560: }
1.1 raeburn 1561: }
1562: if ($has_pass) {
1563: print &mt('You have already set a root password for the MySQL database.')."\n";
1564: my $currpass = &get_mysql_password(&mt('Please enter the password now'));
1565: $dbh = DBI->connect($dsn,'root',$currpass,{'PrintError'=>0});
1566: if ($dbh) {
1567: $mysqlsetup = 'rootok';
1568: print_and_log(&mt('Password accepted.')."\n");
1569: } else {
1570: $mysqlsetup = 'rootfail';
1571: print_and_log(&mt('Problem accessing MySQL.')."\n");
1572: if ($DBI::err =~ /1045/) {
1573: print_and_log(&mt('Perhaps the password was incorrect?')."\n");
1574: print &mt('Try again?').' ';
1575: $currpass = &get_mysql_password(&mt('Re-enter password now'));
1576: $dbh = DBI->connect($dsn,'root',$currpass,{'PrintError'=>0});
1577: if ($dbh) {
1578: $mysqlsetup = 'rootok';
1579: print_and_log(&mt('Password accepted.')."\n");
1580: } else {
1581: if ($DBI::err =~ /1045/) {
1582: print_and_log(&mt('Incorrect password.')."\n");
1583: }
1584: }
1585: }
1586: }
1.34 raeburn 1587: } elsif ($mysqlsetup ne 'noroot') {
1.1 raeburn 1588: print_and_log(&mt('Problem accessing MySQL.')."\n");
1589: $mysqlsetup = 'rootfail';
1590: }
1.34 raeburn 1591: return ($mysqlsetup,$has_pass,$dbh,$mysql_has_wwwuser);
1.1 raeburn 1592: }
1593:
1594: sub check_mysql_wwwuser {
1595: my $mysql_wwwuser;
1.12 raeburn 1596: my $dbhn = DBI->connect("DBI:mysql:database=information_schema",'www','localhostkey',
1597: {PrintError => +0}) || return;
1.1 raeburn 1598: if ($dbhn) {
1599: $mysql_wwwuser = 1;
1600: $dbhn->disconnect;
1601: }
1602: return $mysql_wwwuser;
1603: }
1604:
1605: sub check_loncapa_mysqldb {
1606: my ($dbh) = @_;
1607: my $has_lcdb;
1608: if (ref($dbh)) {
1609: my $sth = $dbh->prepare("SHOW DATABASES");
1610: $sth->execute();
1611: while (my $dbname = $sth->fetchrow_array) {
1612: if ($dbname eq 'loncapa') {
1613: $has_lcdb = 1;
1614: last;
1615: }
1616: }
1617: $sth->finish();
1618: }
1619: return $has_lcdb;
1620: }
1621:
1622: sub get_pathto_iptables {
1623: my $iptables;
1624: if (-e '/sbin/iptables') {
1625: $iptables = '/sbin/iptables';
1626: } elsif (-e '/usr/sbin/iptables') {
1627: $iptables = '/usr/sbin/iptables';
1628: } else {
1629: print &mt('Unable to find iptables command.')."\n";
1630: }
1631: return $iptables;
1632: }
1633:
1634: sub firewall_is_active {
1635: if (-e '/proc/net/ip_tables_names') {
1.49 raeburn 1636: if (open(PIPE,'cat /proc/net/ip_tables_names |grep filter |')) {
1637: my $status = <PIPE>;
1638: close(PIPE);
1639: chomp($status);
1640: if ($status eq 'filter') {
1641: return 1;
1642: }
1643: }
1.1 raeburn 1644: }
1.49 raeburn 1645: return 0;
1.1 raeburn 1646: }
1647:
1648: sub get_fw_chains {
1.5 raeburn 1649: my ($iptables,$distro) = @_;
1.1 raeburn 1650: my @fw_chains;
1651: my $suse_config = "/etc/sysconfig/SuSEfirewall2";
1652: my $ubuntu_config = "/etc/ufw/ufw.conf";
1653: if (-e $suse_config) {
1654: push(@fw_chains,'input_ext');
1655: } else {
1656: my @posschains;
1657: if (-e $ubuntu_config) {
1658: @posschains = ('ufw-user-input','INPUT');
1.5 raeburn 1659: } elsif ($distro =~ /^debian5/) {
1660: @posschains = ('INPUT');
1.49 raeburn 1661: } elsif ($distro =~ /^(suse|sles)(\d+)/) {
1662: @posschains = ('IN_public');
1.1 raeburn 1663: } else {
1664: @posschains = ('RH-Firewall-1-INPUT','INPUT');
1665: if (!-e '/etc/sysconfig/iptables') {
1666: if (!-e '/var/lib/iptables') {
1667: print &mt('Unable to find iptables file containing static definitions.')."\n";
1668: }
1669: push(@fw_chains,'RH-Firewall-1-INPUT');
1670: }
1671: }
1672: if ($iptables eq '') {
1673: $iptables = &get_pathto_iptables();
1674: }
1675: my %counts;
1676: if (open(PIPE,"$iptables -L -n |")) {
1677: while(<PIPE>) {
1678: foreach my $chain (@posschains) {
1679: if (/(\Q$chain\E)/) {
1680: $counts{$1} ++;
1681: }
1682: }
1683: }
1684: close(PIPE);
1685: }
1686: foreach my $fw_chain (@posschains) {
1687: if ($counts{$fw_chain}) {
1688: unless(grep(/^\Q$fw_chain\E$/,@fw_chains)) {
1689: push(@fw_chains,$fw_chain);
1690: }
1691: }
1692: }
1693: }
1694: return @fw_chains;
1695: }
1696:
1697: sub firewall_is_port_open {
1698: my ($iptables,$fw_chain,$port) = @_;
1699: # returns 1 if the firewall port is open, 0 if not.
1700: #
1701: # check if firewall is active or installed
1702: return if (! &firewall_is_active());
1703: my $count = 0;
1704: if (open(PIPE,"$iptables -L $fw_chain -n |")) {
1705: while(<PIPE>) {
1706: if (/tcp dpt\:\Q$port\E/) {
1707: $count ++;
1708: last;
1709: }
1710: }
1711: close(PIPE);
1712: } else {
1713: print &mt('Firewall status not checked: unable to run [_1].','iptables -L')."\n";
1714: }
1715: return $count;
1716: }
1717:
1718: sub get_mysql_password {
1719: my ($prompt) = @_;
1720: local $| = 1;
1721: print $prompt.': ';
1722: my $newpasswd = '';
1723: ReadMode 'raw';
1724: my $key;
1725: while(ord($key = ReadKey(0)) != 10) {
1726: if(ord($key) == 127 || ord($key) == 8) {
1727: chop($newpasswd);
1728: print "\b \b";
1729: } elsif(!ord($key) < 32) {
1730: $newpasswd .= $key;
1731: print '*';
1732: }
1733: }
1734: ReadMode 'normal';
1735: print "\n";
1736: return $newpasswd;
1737: }
1738:
1739: sub check_SuSEfirewall2_setup {
1740: my ($instdir) = @_;
1741: my $need_override = 1;
1.9 raeburn 1742: if ((-e "/etc/insserv/overrides/SuSEfirewall2_setup") && (-e "$instdir/sles-suse/SuSEfirewall2_setup")) {
1743: if (open(PIPE, "diff --brief $instdir/sles-suse/SuSEfirewall2_setup /etc/insserv/overrides/SuSEfirewall2_setup |")) {
1.1 raeburn 1744: my $diffres = <PIPE>;
1745: close(PIPE);
1746: chomp($diffres);
1747: unless ($diffres) {
1748: $need_override = 0;
1749: }
1750: }
1751: }
1752: return $need_override;
1753: }
1754:
1755: sub download_versionslist {
1756: my ($production,$testing,%sizes);
1757: if (-e "latest.txt") {
1758: unlink("latest.txt");
1759: }
1760: my $rtncode = system("wget http://install.loncapa.org/versions/latest.txt ".
1761: "> /dev/null 2>&1");
1762: if (!$rtncode) {
1763: if (open(my $fh,"<latest.txt")) {
1764: my @info = <$fh>;
1765: close($fh);
1766: foreach my $line (@info) {
1767: chomp();
1768: if ($line =~ /^\QLATEST-IS: \E([\w\-.]+):(\d+)$/) {
1769: $production = $1;
1770: $sizes{$1} = $2;
1771: } elsif ($line =~ /^LATEST-TESTING-IS: \E([\w\-.]+):(\d+)$/) {
1772: $testing = $1;
1773: $sizes{$1} = $2;
1774: }
1775: }
1776: }
1777: }
1778: return ($production,$testing,\%sizes);
1779: }
1780:
1781: #
1782: # End helper routines.
1783: # Main script starts here
1784: #
1785:
1786: print "
1787: ********************************************************************
1788:
1789: ".&mt('Welcome to LON-CAPA')."
1790:
1791: ".&mt('This script will configure your system for installation of LON-CAPA.')."
1792:
1793: ********************************************************************
1794:
1795: ".&mt('The following actions are available:')."
1796:
1.4 raeburn 1797: ".&mt('1.')." ".&mt('Create the www user/group.')."
1.1 raeburn 1798: ".&mt('This is the user/group ownership under which Apache child processes run.')."
1799: ".&mt('It also owns most directories within the /home/httpd directory.')."
1800: ".&mt('This directory is where most LON-CAPA files and directories are stored.')."
1.4 raeburn 1801: ".&mt('2.')." ".&mt('Install the package LON-CAPA uses to authenticate users.')."
1802: ".&mt('3.')." ".&mt('Set-up the MySQL database.')."
1803: ".&mt('4.')." ".&mt('Set-up MySQL permissions.')."
1804: ".&mt('5.')." ".&mt('Configure Apache web server.')."
1.46 raeburn 1805: ".&mt('6.')." ".&mt('Configure SSL for Apache web server.')."
1806: ".&mt('7.')." ".&mt('Configure start-up of services.')."
1807: ".&mt('8.')." ".&mt('Check firewall settings.')."
1808: ".&mt('9.')." ".&mt('Stop services not used by LON-CAPA,')."
1.1 raeburn 1809: ".&mt('i.e., services for a print server: [_1] daemon.',"'cups'")."
1.46 raeburn 1810: ".&mt('10.')." ".&mt('Download LON-CAPA source code in readiness for installation.')."
1.1 raeburn 1811:
1812: ".&mt('Typically, you will run this script only once, when you first install LON-CAPA.')."
1813:
1814: ".&mt('The script will analyze your system to determine which actions are recommended.')."
1815: ".&mt('The script will then prompt you to choose the actions you would like taken.')."
1816:
1817: ".&mt('For each the recommended action will be selected if you hit Enter/Return.')."
1818: ".&mt('To override the default, type the lower case option from the two options listed.')."
1819: ".&mt('So, if the default is "yes", ~[Y/n~] will be shown -- type n to override.')."
1820: ".&mt('Whereas if the default is "no", ~[y/N~] will be shown -- type y to override.')."
1821:
1822: ".&mt('To accept the default, simply hit Enter/Return on your keyboard.')."
1823: ".&mt('Otherwise type: y or n then hit the Enter/Return key.')."
1824:
1825: ".&mt('Once a choice has been entered for all nine actions, required changes will be made.')."
1826: ".&mt('Feedback will be displayed on screen, and also stored in: [_1].','loncapa_install.log')."
1827:
1828: ".&mt('Continue? ~[Y/n~] ');
1829:
1830: my $go_on = &get_user_selection(1);
1831: if (!$go_on) {
1832: exit;
1833: }
1834:
1835: my $instdir = `pwd`;
1836: chomp($instdir);
1837:
1838: my %callsub;
1839: my @actions = ('wwwuser','pwauth','mysql','mysqlperms','apache',
1.46 raeburn 1840: 'apachessl','runlevels','firewall','stopsrvcs','download');
1.1 raeburn 1841: my %prompts = &texthash(
1842: wwwuser => "Create the 'www' user?",
1843: pwauth => 'Install the package LON-CAPA uses to authenticate users?',
1844: mysql => 'Set-up the MySQL database?',
1845: mysqlperms => 'Set-up MySQL permissions?',
1846: apache => 'Configure Apache web server?',
1.46 raeburn 1847: apachessl => 'Configure SSL for Apache web server?',
1.1 raeburn 1848: runlevels => 'Set overrides for start-up order of services?',
1849: firewall => 'Configure firewall settings for Apache',
1850: stopsrvcs => 'Stop extra services not required on a LON-CAPA server?',
1851: download => 'Download LON-CAPA source code in readiness for installation?',
1852: );
1853:
1.46 raeburn 1854: print "\n".&mt('Checking system status ...')."\n\n";
1.1 raeburn 1855:
1856: my $dsn = "DBI:mysql:database=mysql";
1.34 raeburn 1857: my ($distro,$gotprereqs,$localecmd,$packagecmd,$updatecmd,$installnow,$mysqlrestart,
1858: $recommended,$dbh,$has_pass,$has_lcdb,$downloadstatus,$filetouse,$production,
1.47 raeburn 1859: $testing,$apachefw,$uses_systemctl,$hostname,$hostip,$sslhostsfiles,$has_std,
1860: $has_int,$rewritenum,$nochgstd,$nochgint) = &check_required($instdir,$dsn);
1.1 raeburn 1861: if ($distro eq '') {
1862: print "\n".&mt('Linux distribution could not be verified as a supported distribution.')."\n".
1863: &mt('The following are supported: [_1].',
1864: 'CentOS, RedHat Enterprise, Fedora, Scientific Linux, '.
1.56 raeburn 1865: 'Oracle Linux, openSuSE, SLES, Ubuntu LTS, Debian')."\n\n".
1.1 raeburn 1866: &mt('Stopping execution.')."\n";
1867: exit;
1868: }
1.34 raeburn 1869: if ($mysqlrestart) {
1870: print "\n".&mt('The mysql daemon needs to be restarted using the following command:')."\n".
1871: $mysqlrestart."\n\n".
1872: &mt('Stopping execution of install.pl script.')."\n".
1873: &mt('Please run the install.pl script again, once you have restarted mysql.')."\n";
1874: exit;
1875: }
1.6 raeburn 1876: if ($localecmd ne '') {
1877: print "\n".&mt('Although the LON-CAPA application itself is localized for a number of different languages, the default locale language for the Linux OS on which it runs should be US English.')."\n";
1878: print "\n".&mt('Run the following command from the command line to set the default language for your OS, and then run this LON-CAPA installation set-up script again.')."\n\n".
1879: $localecmd."\n\n".
1880: &mt('Stopping execution.')."\n";
1881: exit;
1882: }
1.1 raeburn 1883: if (!$gotprereqs) {
1.12 raeburn 1884: print "\n".&mt('The LONCAPA-prerequisites package is not installed.')."\n".
1.1 raeburn 1885: &mt('The following command can be used to install the package (and dependencies):')."\n\n".
1886: $updatecmd."\n\n";
1887: if ($installnow eq '') {
1888: exit;
1889: } else {
1890: print &mt('Run command? ~[Y/n~]');
1891: my $install_prereq = &get_user_selection(1);
1892: if ($install_prereq) {
1893: if (open(PIPE,'|-',$installnow)) {
1894: close(PIPE);
1895: $gotprereqs = &check_prerequisites($packagecmd,$distro);
1896: if (!$gotprereqs) {
1.12 raeburn 1897: print &mt('The LONCAPA-prerequisites package is not installed.')."\n".
1.1 raeburn 1898: &mt('Stopping execution.')."\n";
1899: exit;
1900: } else {
1.6 raeburn 1901: ($distro,$gotprereqs,$localecmd,$packagecmd,$updatecmd,$installnow,
1.34 raeburn 1902: $mysqlrestart,$recommended,$dbh,$has_pass,$has_lcdb,$downloadstatus,
1.35 raeburn 1903: $filetouse,$production,$testing,$apachefw,$uses_systemctl) =
1.5 raeburn 1904: &check_required($instdir,$dsn);
1.1 raeburn 1905: }
1906: } else {
1.12 raeburn 1907: print &mt('Failed to run command to install LONCAPA-prerequisites')."\n";
1.1 raeburn 1908: exit;
1909: }
1910: } else {
1911: print &mt('Stopping execution.')."\n";
1912: exit;
1913: }
1914: }
1915: }
1916: unless (ref($recommended) eq 'HASH') {
1917: print "\n".&mt('An error occurred determining which actions are recommended.')."\n\n".
1918: &mt('Stopping execution.')."\n";
1919: exit;
1920: }
1921:
1922: print "\n";
1923: my $num = 0;
1924: foreach my $action (@actions) {
1925: $num ++;
1926: my ($yesno,$defaultrun);
1927: if (ref($recommended) eq 'HASH') {
1.4 raeburn 1928: if (($action eq 'runlevels') || ($action eq 'stopsrvcs')) {
1.1 raeburn 1929: $yesno = '[y/N]';
1930: if (ref($recommended->{$action}) eq 'HASH') {
1931: if (keys(%{$recommended->{$action}}) > 0) {
1932: $yesno = &mt('~[Y/n~]');
1933: $defaultrun = 1;
1934: }
1935: }
1936: } else {
1937: if ($action eq 'download') {
1938: if ($downloadstatus) {
1939: print "\n$downloadstatus\n";
1940: }
1941: }
1942: if ($recommended->{$action}) {
1943: $yesno = mt('~[Y/n~]');
1944: $defaultrun = 1;
1945: } else {
1946: $yesno = &mt('~[y/N~]');
1947: }
1948: }
1949: print $num.'. '.$prompts{$action}." $yesno ";
1950: $callsub{$action} = &get_user_selection($defaultrun);
1951: }
1952: }
1953:
1954: my $lctarball = 'loncapa-current.tar.gz';
1955: my $sourcetarball = $lctarball;
1956: if ($callsub{'download'}) {
1957: my ($production,$testing,$sizes) = &download_versionslist();
1958: if ($production && $testing) {
1959: if ($production ne $testing) {
1960: print &mt('Two recent LON-CAPA releases are available: ')."\n".
1.3 raeburn 1961: &mt('1.').' '.&mt('A production release - version: [_1].',$production)."\n".
1962: &mt('2.').' '.&mt('A testing release - version: [_1].',$testing)."\n\n".
1.1 raeburn 1963: &mt('Download the production release? ~[Y/n~]');
1964: if (&get_user_selection(1)) {
1.4 raeburn 1965: $sourcetarball = 'loncapa-'.$production.'.tar.gz';
1.1 raeburn 1966: } else {
1967: print "\n".&mt('Download the testing release? ~[Y/n~]');
1968: if (&get_user_selection(1)) {
1.4 raeburn 1969: $sourcetarball = 'loncapa-'.$testing.'.tar.gz';
1.1 raeburn 1970: }
1971: }
1972: }
1973: } elsif ($production) {
1974: print &mt('The most recent LON-CAPA release is version: [_1].',$production)."\n".
1975: &mt('Download the production release? ~[Y/n~]');
1976: if (&get_user_selection(1)) {
1.20 raeburn 1977: $sourcetarball = 'loncapa-'.$production.'.tar.gz';
1.1 raeburn 1978: }
1979: }
1980: } elsif ($filetouse ne '') {
1981: $sourcetarball = $filetouse;
1982: }
1983:
1984: print_and_log("\n");
1985:
1986: # Each action: report if skipping, or perform action and provide feedback.
1987: if ($callsub{'wwwuser'}) {
1988: &setup_www();
1989: } else {
1990: &print_and_log(&mt('Skipping creation of user [_1].',"'www'")."\n");
1991: }
1992:
1993: if ($callsub{'pwauth'}) {
1.4 raeburn 1994: &build_and_install_mod_auth_external($instdir);
1.1 raeburn 1995: } else {
1996: &print_and_log(&mt('Skipping [_1] installation.',"'pwauth'")."\n");
1997: }
1998:
1999: if ($callsub{'mysql'}) {
2000: if ($dbh) {
2001: &setup_mysql($callsub{'mysqlperms'},$distro,$dbh,$has_pass,$has_lcdb);
2002: } else {
2003: print &mt('Unable to configure MySQL because access is denied.')."\n";
2004: }
2005: } else {
2006: &print_and_log(&mt('Skipping configuration of MySQL.')."\n");
2007: if ($callsub{'mysqlperms'}) {
2008: if ($dbh) {
2009: &setup_mysql_permissions($dbh,$has_pass);
2010: } else {
2011: print &mt('Unable to configure MySQL because access is denied.')."\n";
2012: }
2013: } else {
2014: &print_and_log(&mt('Skipping MySQL permissions setup.')."\n");
2015: }
2016: }
2017:
2018: if ($dbh) {
2019: if (!$dbh->disconnect) {
2020: &print_and_log(&mt('Failed to disconnect from MySQL:')."\n".
2021: $dbh->errstr);
2022: }
2023: }
2024:
2025: if ($callsub{'apache'}) {
2026: if ($distro =~ /^(suse|sles)/) {
1.49 raeburn 2027: ©_apache2_suseconf($instdir,$hostname,$distro);
1.1 raeburn 2028: } elsif ($distro =~ /^(debian|ubuntu)/) {
1.46 raeburn 2029: ©_apache2_debconf($instdir,$distro,$hostname);
1.1 raeburn 2030: } else {
1.46 raeburn 2031: ©_httpd_conf($instdir,$distro,$hostname);
1.59 raeburn 2032: ©_mpm_conf($instdir,$distro);
1.1 raeburn 2033: }
2034: } else {
2035: print_and_log(&mt('Skipping configuration of Apache web server.')."\n");
2036: }
2037:
1.46 raeburn 2038: if ($callsub{'apachessl'}) {
1.47 raeburn 2039: my $targetdir = '/etc/httpd/conf.d';
1.46 raeburn 2040: if ($distro =~ /^(suse|sles)/) {
1.47 raeburn 2041: $targetdir = '/etc/apache2/vhosts.d';
1.46 raeburn 2042: } elsif ($distro =~ /^(debian|ubuntu)/) {
1.47 raeburn 2043: $targetdir = '/etc/apache2/sites-available';
2044: }
2045: my ($new_rewrite,$new_int) =
2046: ©_apache_sslconf_files($distro,$hostname,$hostip,$instdir,$targetdir,$sslhostsfiles,
2047: $has_std,$has_int,$rewritenum,$nochgstd,$nochgint);
2048: if ($distro =~ /^(debian|ubuntu)/) {
2049: my $apache2_sites_enabled_dir = '/etc/apache2/sites-enabled';
2050: if (-d $apache2_sites_enabled_dir) {
2051: if ($has_std ne '') {
2052: unless ((-l "$apache2_sites_enabled_dir/$has_std") && (readlink(("$apache2_sites_enabled_dir/$has_std") eq "$targetdir/$has_std"))) {
2053: my $made_symlink = eval { symlink("$targetdir/$has_std","$apache2_sites_enabled_dir/$has_std"); 1};
2054: if ($made_symlink) {
2055: print_and_log(&mt('Enabling "[_1]" Apache SSL configuration.',$has_std)."\n");
2056: }
2057: }
2058: }
2059: if (($has_int ne '') && ($has_int ne $has_std)) {
2060: unless ((-l "$apache2_sites_enabled_dir/$has_int") && (readlink("$apache2_sites_enabled_dir/$has_int") eq "$targetdir/$has_int")) {
2061: my $made_symlink = eval { symlink("$targetdir/$has_int","$apache2_sites_enabled_dir/$has_int"); 1 };
2062: if ($made_symlink) {
2063: print_and_log(&mt('Enabling "[_1]" Apache SSL configuration.',$has_int)."\n");
2064: }
2065: }
1.46 raeburn 2066: }
2067: }
2068: }
2069: print_and_log("\n");
2070: } else {
2071: print_and_log(&mt('Skipping configuration of SSL for Apache web server.')."\n");
2072: }
2073:
1.1 raeburn 2074: if ($callsub{'runlevels'}) {
2075: my $count = 0;
2076: if (ref($recommended) eq 'HASH') {
2077: if (ref($recommended->{'runlevels'}) eq 'HASH') {
2078: foreach my $type (keys(%{$recommended->{'runlevels'}})) {
2079: next if ($type eq 'insserv');
2080: $count ++;
2081: my $command = $recommended->{'runlevels'}{$type};
2082: if ($command ne '') {
2083: print_and_log(&mt('Runlevel update command run: [_1].',$command)."\n");
2084: system($command);
2085: }
2086: }
2087: if (!$count) {
2088: print_and_log(&mt('No runlevel updates required.')."\n");
2089: }
2090: }
2091: }
1.49 raeburn 2092: if ($distro =~ /^(suse|sles)(\d+)/) {
2093: unless(($1 eq 'sles') && ($2 >= 15)) {
2094: &update_SuSEfirewall2_setup($instdir);
2095: }
1.11 raeburn 2096: }
1.1 raeburn 2097: } else {
2098: &print_and_log(&mt('Skipping setting override for start-up order of services.')."\n");
2099: }
2100:
2101: if ($callsub{'firewall'}) {
1.53 raeburn 2102: my ($firewalld,$zone) = &uses_firewalld($distro);
2103: if ($firewalld) {
1.49 raeburn 2104: my (%current,%added);
1.53 raeburn 2105: if (open(PIPE,"firewall-cmd --permanent --zone=$zone --list-services |")) {
1.49 raeburn 2106: my $svc = <PIPE>;
2107: close(PIPE);
2108: chomp($svc);
2109: map { $current{$_} = 1; } (split(/\s+/,$svc));
2110: }
2111: foreach my $service ('http','https') {
2112: unless ($current{$service}) {
1.53 raeburn 2113: if (open(PIPE,"firewall-cmd --permanent --zone=$zone --add-service=$service |")) {
1.49 raeburn 2114: my $result = <PIPE>;
2115: if ($result =~ /^success/) {
2116: $added{$service} = 1;
2117: }
2118: }
2119: }
2120: }
2121: if (keys(%added) > 0) {
2122: print &mt('Firewall configured to allow access for: [_1].',
2123: join(', ',sort(keys(%added))))."\n";
2124: }
2125: if ($current{'http'} || $current{'https'}) {
2126: print &mt('Firewall already configured to allow access for:[_1].',
2127: (($current{'http'})? ' http':'').(($current{'https'})? ' https':''))."\n";
2128: }
2129: unless ($current{'ssh'}) {
2130: print &mt('If you would the like to allow access to ssh from outside, use the command[_1].',
1.53 raeburn 2131: "firewall-cmd --permanent --zone=$zone --add-service=ssh")."\n";
1.49 raeburn 2132: }
2133: } elsif ($distro =~ /^(suse|sles)/) {
1.5 raeburn 2134: print &mt('Use [_1] to configure the firewall to allow access for [_2].',
2135: 'yast -- Security and Users -> Firewall -> Interfaces',
1.49 raeburn 2136: 'ssh, http, https')."\n";
1.5 raeburn 2137: } elsif ($distro =~ /^(debian|ubuntu)(\d+)/) {
2138: if (($1 eq 'ubuntu') || ($2 > 5)) {
2139: print &mt('Use [_1] to configure the firewall to allow access for [_2].',
2140: 'ufw','ssh, http, https')."\n";
2141: } else {
2142: my $fwadded = &get_iptables_rules($distro,$instdir,$apachefw);
2143: if ($fwadded) {
2144: print &mt('Enable firewall? ~[Y/n~]');
2145: my $enable_iptables = &get_user_selection(1);
2146: if ($enable_iptables) {
2147: system('/etc/network/if-pre-up.d/iptables');
2148: print &mt('Firewall enabled using rules defined in [_1].',
2149: '/etc/iptables.loncapa.rules');
2150: }
2151: }
2152: }
1.57 raeburn 2153: } elsif ($distro =~ /^(scientific|oracle)/) {
1.11 raeburn 2154: print &mt('Use [_1] to configure the firewall to allow access for [_2].',
2155: 'system-config-firewall-tui -- Customize',
2156: 'ssh, http')."\n";
1.1 raeburn 2157: } else {
1.53 raeburn 2158: my $version;
2159: if ($distro =~ /^(redhat|centos)(\d+)$/) {
2160: $version = $1;
2161: }
2162: if ($version > 5) {
2163: print &mt('Use [_1] to configure the firewall to allow access for [_2].',
2164: 'system-config-firewall-tui -- Customize',
2165: 'ssh, http')."\n";
2166: } else {
2167: print &mt('Use [_1] to configure the firewall to allow access for [_2].',
2168: 'setup -- Firewall configuration -> Customize',
2169: 'ssh, http, https')."\n";
2170: }
1.1 raeburn 2171: }
2172: } else {
1.5 raeburn 2173: &print_and_log(&mt('Skipping Firewall configuration.')."\n");
1.1 raeburn 2174: }
2175:
2176: if ($callsub{'stopsrvcs'}) {
1.45 raeburn 2177: &kill_extra_services($distro,$recommended->{'stopsrvcs'},$uses_systemctl);
1.1 raeburn 2178: } else {
1.10 raeburn 2179: &print_and_log(&mt('Skipping stopping unnecessary service ([_1] daemons).',"'cups','memcached'")."\n");
1.1 raeburn 2180: }
2181:
2182: my ($have_tarball,$updateshown);
2183: if ($callsub{'download'}) {
2184: ($have_tarball,$updateshown) = &download_loncapa($instdir,$sourcetarball);
2185: } else {
2186: print_and_log(&mt('Skipping download of LON-CAPA tar file.')."\n\n");
2187: print &mt('LON-CAPA is available for download from: [_1]',
2188: 'http://install.loncapa.org/')."\n";
2189: if (!-e '/etc/loncapa-release') {
2190: &print_and_log(&mt('LON-CAPA is not yet installed on your system.').
2191: "\n\n".
2192: &mt('You may retrieve the source for LON-CAPA by executing:')."\n".
2193: "wget http://install.loncapa.org/versions/$lctarball\n");
2194: } else {
2195: my $currentversion;
2196: if (open(my $fh,"</etc/loncapa-release")) {
2197: my $version = <$fh>;
2198: chomp($version);
2199: if ($version =~ /^\QLON-CAPA release \E([\w\-.]+)$/) {
2200: $currentversion = $1;
2201: }
2202: }
2203: if ($currentversion ne '') {
2204: print &mt('Version of LON-CAPA currently installed on this server is: [_1].',
2205: $currentversion),"\n";
2206: if ($production) {
2207: print &mt('The latest production release of LON-CAPA is [_1].',$production)."\n";
2208: }
2209: if ($testing) {
2210: print &mt('The latest testing release of LON-CAPA is [_1].',$testing)."\n";
2211: }
2212: }
2213: }
2214: if ($filetouse ne '') {
2215: $have_tarball = 1;
2216: }
2217: }
2218:
2219: print "\n".&mt('Requested configuration complete.')."\n\n";
2220: my $apachename;
2221: if ($have_tarball && !$updateshown) {
2222: my ($lcdir) = ($sourcetarball =~ /^([\w.\-]+)\.tar.gz$/);
2223: if (!-e '/etc/loncapa-release') {
2224: print &mt('If you are now ready to install LON-CAPA, enter the following commands:')."\n\n";
2225: } else {
2226: print &mt('If you are now ready to update LON-CAPA, enter the following commands:')."\n\n".
2227: "/etc/init.d/loncontrol stop\n";
2228: if ($distro =~ /^(suse|sles|debian|ubuntu)([\d.]+)/) {
2229: if (($1 eq 'suse') && ($2 < 10)) {
2230: $apachename = 'apache';
2231: } else {
2232: $apachename = 'apache2';
2233: }
2234: } else {
2235: $apachename = 'httpd';
2236: }
2237: print "/etc/init.d/$apachename stop\n";
2238: }
2239: print "cd /root\n".
2240: "tar zxf $sourcetarball\n".
2241: "cd $lcdir\n".
2242: "./UPDATE\n";
2243: if (-e '/etc/loncapa-release') {
2244: print "/etc/init.d/loncontrol start\n";
2245: print "/etc/init.d/$apachename start\n";
2246: }
2247: }
2248: exit;
2249:
2250: #
2251: # End main script
2252: #
2253:
2254: #
2255: # Routines for the actions
2256: #
2257:
2258: sub setup_www {
2259: ##
2260: ## Set up www
2261: ##
2262: print_and_log(&mt('Creating user [_1]',"'www'")."\n");
2263: # -- Add group
2264:
2265: my $status = `/usr/sbin/groupadd www`;
2266: if ($status =~ /\QGroup `www' already exists.\E/) {
2267: print &mt('Group [_1] already exists.',"'www'")."\n";
2268: } elsif ($status ne '') {
2269: print &mt('Unable to add group [_1].',"'www'")."\n";
2270: }
2271:
2272: my $gid = getgrnam('www');
2273:
2274: if (open (PIPE, "/usr/sbin/useradd -c LONCAPA -g $gid www 2>&1 |")) {
2275: $status = <PIPE>;
2276: close(PIPE);
2277: chomp($status);
2278: if ($status =~ /\QAccount `www' already exists.\E/) {
2279: print &mt('Account [_1] already exists.',"'www'")."\n";
2280: } elsif ($status ne '') {
2281: print &mt('Unable to add user [_1].',"'www'")."\n";
2282: }
2283: } else {
2284: print &mt('Unable to run command to add user [_1].',"'www'")."\n";
2285: }
2286:
2287: my $uid = &uid_of_www();
2288: if (($gid ne '') && ($uid ne '')) {
2289: if (!-e '/home/www') {
2290: mkdir('/home/www',0755);
2291: system('chown www:www /home/www');
2292: }
2293: }
2294: writelog ($status);
2295: }
2296:
2297: sub uid_of_www {
2298: my ($num) = (getpwnam('www'))[2];
2299: return $num;
2300: }
2301:
2302: sub build_and_install_mod_auth_external {
2303: my ($instdir) = @_;
2304: my $num = &uid_of_www();
2305: # Patch pwauth
2306: print_and_log(&mt('Building authentication system for LON-CAPA users.')."\n");
2307: my $patch = <<"ENDPATCH";
2308: 148c148
2309: < #define SERVER_UIDS 99 /* user "nobody" */
2310: ---
2311: > #define SERVER_UIDS $num /* user "www" */
2312: ENDPATCH
2313:
2314: if (! -e "/usr/bin/patch") {
2315: print_and_log(&mt('You must install the software development tools package: [_1], when installing Linux.',"'patch'")."\n");
2316: print_and_log(&mt('Authentication installation not completed.')."\n");
2317: return;
2318: }
2319: if (&skip_if_nonempty(`cd /tmp; tar zxf $instdir/pwauth-2.2.8.tar.gz`,
2320: &mt('Unable to extract pwauth')."\n")) {
2321: return;
2322: }
2323: my $dir = "/tmp/pwauth-2.2.8";
2324: if (open(PATCH,"| patch $dir/config.h")) {
2325: print PATCH $patch;
2326: close(PATCH);
2327: print_and_log("\n");
2328: ##
2329: ## Compile patched pwauth
2330: ##
2331: print_and_log(&mt('Compiling pwauth')."\n");
1.12 raeburn 2332: my $result = `cd $dir/; make 2>/dev/null `;
1.1 raeburn 2333: my $expected = <<"END";
2334: gcc -g -c -o pwauth.o pwauth.c
2335: gcc -o pwauth -g pwauth.o -lcrypt
2336: END
2337: if ($result eq $expected) {
2338: print_and_log(&mt('Apparent success compiling pwauth:').
2339: "\n".$result );
2340: # Install patched pwauth
2341: print_and_log(&mt('Copying pwauth to [_1]',' /usr/local/sbin')."\n");
2342: if (copy "$dir/pwauth","/usr/local/sbin/pwauth") {
1.5 raeburn 2343: if (chmod(06755, "/usr/local/sbin/pwauth")) {
1.1 raeburn 2344: print_and_log(&mt('[_1] copied successfully',"'pwauth'").
2345: "\n");
2346: } else {
2347: print &mt('Unable to set permissions on [_1].'.
2348: "/usr/local/sbin/pwauth")."\n";
2349: }
2350: } else {
2351: print &mt('Unable to copy [_1] to [_2]',
2352: "'$dir/pwauth'","/usr/local/sbin/pwauth")."\n$!\n";
2353: }
2354: } else {
2355: print &mt('Unable to compile patched [_1].'."'pwauth'")."\n";
2356: }
2357: } else {
2358: print &mt('Unable to start patch for [_1]',"'pwauth'")."\n";
2359: }
2360: print_and_log("\n");
2361: }
2362:
2363: sub kill_extra_services {
1.45 raeburn 2364: my ($distro,$stopsrvcs,$uses_systemctl) = @_;
1.1 raeburn 2365: if (ref($stopsrvcs) eq 'HASH') {
2366: my @stopping = sort(keys(%{$stopsrvcs}));
2367: if (@stopping) {
1.6 raeburn 2368: my $kill_list = join("', '",@stopping);
1.1 raeburn 2369: if ($kill_list) {
2370: $kill_list = "'".$kill_list."'";
1.6 raeburn 2371: &print_and_log("\n".&mt('Killing unnecessary services ([_1] daemon(s)).',$kill_list)."\n");
2372: foreach my $service (@stopping) {
2373: my $daemon = $service;
2374: if ($service eq 'cups') {
2375: $daemon = 'cupsd';
2376: if ($distro =~ /^(?:debian|ubuntu)(\d+)/) {
2377: my $version = $1;
2378: if (($distro =~ /^ubuntu/) && ($version <= 8)) {
2379: $daemon = 'cupsys';
2380: }
1.12 raeburn 2381: } else {
1.8 raeburn 2382: $daemon = 'cups';
1.6 raeburn 2383: }
2384: }
1.12 raeburn 2385: my $cmd = "ps -ef |grep '$daemon' |grep -v grep";
2386: if (open(PIPE,'-|',$cmd)) {
2387: my $daemonrunning = <PIPE>;
2388: chomp($daemonrunning);
2389: close(PIPE);
2390: if ($daemonrunning) {
2391: &print_and_log(`/etc/init.d/$daemon stop`);
2392: }
2393: }
1.1 raeburn 2394: &print_and_log(&mt('Removing [_1] from startup.',$service)."\n");
1.45 raeburn 2395: if ($distro =~ /^(?:debian|ubuntu)(\d+)/) {
2396: my $version = $1;
2397: if (($distro =~ /^ubuntu/) && ($version > 16)) {
2398: if (ref($uses_systemctl) eq 'HASH') {
2399: if ($uses_systemctl->{$service}) {
2400: if (`systemctl is-enabled $service`) {
2401: &print_and_log(`systemctl disable $service`);
2402: }
2403: }
2404: }
2405: } else {
2406: &print_and_log(`update-rc.d -f $daemon remove`);
2407: }
1.1 raeburn 2408: } else {
1.35 raeburn 2409: if (ref($uses_systemctl) eq 'HASH') {
2410: if ($uses_systemctl->{$service}) {
2411: if (`systemctl is-enabled $service`) {
2412: &print_and_log(`systemctl disable $service`);
2413: }
2414: } else {
2415: &print_and_log(`/sbin/chkconfig --del $service`);
2416: }
2417: } else {
2418: &print_and_log(`/sbin/chkconfig --del $service`);
2419: }
1.1 raeburn 2420: }
2421: }
2422: }
2423: }
2424: }
2425: return;
2426: }
2427:
2428: sub setup_mysql {
2429: my ($setup_mysql_permissions,$distro,$dbh,$has_pass,$has_lcdb) = @_;
1.4 raeburn 2430: my @mysql_lc_commands;
1.1 raeburn 2431: unless ($has_lcdb) {
1.4 raeburn 2432: push(@mysql_lc_commands,"CREATE DATABASE loncapa");
1.1 raeburn 2433: }
1.4 raeburn 2434: push(@mysql_lc_commands,"USE loncapa");
2435: push(@mysql_lc_commands,qq{
1.18 raeburn 2436: CREATE TABLE IF NOT EXISTS metadata (title TEXT, author TEXT, subject TEXT, url TEXT, keywords TEXT, version TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, creationdate DATETIME, lastrevisiondate DATETIME, owner TEXT, copyright TEXT, domain TEXT, dependencies TEXT, modifyinguser TEXT, authorspace TEXT, lowestgradelevel TEXT, highestgradelevel TEXT, standards TEXT, count INT, course INT, course_list TEXT, goto INT, goto_list TEXT, comefrom INT, comefrom_list TEXT, sequsage INT, sequsage_list TEXT, stdno INT, stdno_list TEXT, avetries FLOAT, avetries_list TEXT, difficulty FLOAT, difficulty_list TEXT, disc FLOAT, disc_list TEXT, clear FLOAT, technical FLOAT, correct FLOAT, helpful FLOAT, depth FLOAT, hostname TEXT, FULLTEXT idx_title (title), FULLTEXT idx_author (author), FULLTEXT idx_subject (subject), FULLTEXT idx_url (url), FULLTEXT idx_keywords (keywords), FULLTEXT idx_version (version), FULLTEXT idx_notes (notes), FULLTEXT idx_abstract (abstract), FULLTEXT idx_mime (mime), FULLTEXT idx_language (language), FULLTEXT idx_owner (owner), FULLTEXT idx_copyright (copyright)) ENGINE=MYISAM
1.4 raeburn 2437: });
1.1 raeburn 2438: if ($setup_mysql_permissions) {
1.4 raeburn 2439: &setup_mysql_permissions($dbh,$has_pass,@mysql_lc_commands);
1.1 raeburn 2440: } else {
2441: print_and_log(&mt('Skipping MySQL permissions setup.')."\n");
2442: if ($dbh) {
1.4 raeburn 2443: if (@mysql_lc_commands) {
2444: foreach my $lccmd (@mysql_lc_commands) {
2445: $dbh->do($lccmd) || print $dbh->errstr."\n";
2446: }
2447: }
1.1 raeburn 2448: print_and_log(&mt('MySQL database set up complete.')."\n");
2449: } else {
2450: print_and_log(&mt('Problem accessing MySQL.')."\n");
2451: }
2452: }
2453: }
2454:
2455: sub setup_mysql_permissions {
1.4 raeburn 2456: my ($dbh,$has_pass,@mysql_lc_commands) = @_;
1.38 raeburn 2457: my ($mysqlversion,$mysqlsubver,$mysqlname) = &get_mysql_version();
1.50 raeburn 2458: my ($usesauth,$is_mariadb,$hasauthcol,@mysql_commands);
1.38 raeburn 2459: if ($mysqlname =~ /^MariaDB/i) {
1.50 raeburn 2460: $is_mariadb = 1;
1.38 raeburn 2461: if ($mysqlversion >= 10.2) {
2462: $usesauth = 1;
1.42 raeburn 2463: } elsif ($mysqlversion >= 5.5) {
2464: $hasauthcol = 1;
1.38 raeburn 2465: }
2466: } else {
2467: if (($mysqlversion > 5.7) || (($mysqlversion == 5.7) && ($mysqlsubver > 5))) {
2468: $usesauth = 1;
1.42 raeburn 2469: } elsif (($mysqlversion >= 5.6) || (($mysqlversion == 5.5) && ($mysqlsubver >= 7))) {
2470: $hasauthcol = 1;
1.38 raeburn 2471: }
2472: }
2473: if ($usesauth) {
1.50 raeburn 2474: @mysql_commands = ("INSERT user (Host, User, ssl_cipher, x509_issuer, x509_subject, authentication_string) VALUES('localhost','www','','','','')");
2475: if ($is_mariadb) {
1.52 raeburn 2476: push(@mysql_commands,"ALTER USER 'www'\@'localhost' IDENTIFIED BY 'localhostkey'");
1.50 raeburn 2477: } else {
1.52 raeburn 2478: push(@mysql_commands,"ALTER USER 'www'\@'localhost' IDENTIFIED WITH mysql_native_password BY 'localhostkey'");
1.50 raeburn 2479: }
1.42 raeburn 2480: } elsif ($hasauthcol) {
2481: @mysql_commands = ("INSERT user (Host, User, Password, ssl_cipher, x509_issuer, x509_subject, authentication_string) VALUES('localhost','www',password('localhostkey'),'','','','');");
1.36 raeburn 2482: } else {
1.42 raeburn 2483: @mysql_commands = ("INSERT user (Host, User, Password, ssl_cipher, x509_issuer, x509_subject) VALUES('localhost','www',password('localhostkey'),'','','');");
1.36 raeburn 2484: }
1.1 raeburn 2485: if ($mysqlversion < 4) {
1.4 raeburn 2486: push (@mysql_commands,"
2487: INSERT db (Host,Db,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv,Grant_priv,References_priv,Index_priv,Alter_priv) VALUES('localhost','loncapa','www','Y','Y','Y','Y','Y','Y','N','Y','Y','Y')");
2488: } else {
2489: push (@mysql_commands,"
2490: INSERT db (Host,Db,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv,Grant_priv,References_priv,Index_priv,Alter_priv,Create_tmp_table_priv,Lock_tables_priv) VALUES('localhost','loncapa','www','Y','Y','Y','Y','Y','Y','N','Y','Y','Y','Y','Y')");
1.1 raeburn 2491: }
1.4 raeburn 2492: push(@mysql_commands,"DELETE FROM user WHERE host<>'localhost'");
1.1 raeburn 2493: if ($has_pass) {
2494: if ($dbh) {
1.4 raeburn 2495: push(@mysql_commands,"FLUSH PRIVILEGES");
2496: if (@mysql_commands) {
2497: foreach my $cmd (@mysql_commands) {
2498: $dbh->do($cmd) || print $dbh->errstr."\n";
2499: }
2500: }
2501: if (@mysql_lc_commands) {
2502: foreach my $lccmd (@mysql_lc_commands) {
2503: $dbh->do($lccmd) || print $dbh->errstr."\n";
2504: }
2505: }
1.1 raeburn 2506: print_and_log(&mt('Permissions set for LON-CAPA MySQL user: [_1]',"'www'")."\n");
2507: } else {
2508: print_and_log(&mt('Problem accessing MySQL.')."\n".
2509: &mt('Permissions not set.')."\n");
2510: }
2511: } else {
2512: my ($firstpass,$secondpass,$got_passwd,$newmysqlpass);
2513: print &mt('Please enter a root password for the mysql database.')."\n".
2514: &mt('It does not have to match your root account password, but you will need to remember it.')."\n";
2515: my $maxtries = 10;
2516: my $trial = 0;
2517: while ((!$got_passwd) && ($trial < $maxtries)) {
2518: $firstpass = &get_mysql_password(&mt('Enter password'));
2519: if (length($firstpass) > 5) {
2520: $secondpass = &get_mysql_password(&mt('Enter password a second time'));
2521: if ($firstpass eq $secondpass) {
2522: $got_passwd = 1;
2523: $newmysqlpass = $firstpass;
2524: } else {
2525: print(&mt('Passwords did not match. Please try again.')."\n");
2526: }
2527: $trial ++;
2528: } else {
2529: print(&mt('Password too short.')."\n".
2530: &mt('Please choose a password with at least six characters.')."\n");
2531: }
2532: }
2533: if ($got_passwd) {
1.50 raeburn 2534: my (@newpass_cmds) = &new_mysql_rootpasswd($newmysqlpass,$usesauth,$is_mariadb);
1.4 raeburn 2535: push(@mysql_commands,@newpass_cmds);
1.1 raeburn 2536: } else {
2537: print_and_log(&mt('Failed to get MySQL root password from user input.')."\n");
2538: }
2539: if ($dbh) {
1.4 raeburn 2540: if (@mysql_commands) {
2541: foreach my $cmd (@mysql_commands) {
2542: $dbh->do($cmd) || print $dbh->errstr."\n";
2543: }
2544: }
2545: if (@mysql_lc_commands) {
2546: foreach my $lccmd (@mysql_lc_commands) {
2547: $dbh->do($lccmd) || print $dbh->errstr."\n";
2548: }
2549: }
1.1 raeburn 2550: if ($got_passwd) {
2551: print_and_log(&mt('MySQL root password stored.')."\n".
2552: &mt('Permissions set for LON-CAPA MySQL user: [_1].',"'www'")."\n");
2553: } else {
2554: print_and_log(&mt('Permissions set for LON-CAPA MySQL user: [_1].',"'www'")."\n");
2555: }
2556: } else {
2557: print_and_log(&mt('Problem accessing MySQL.')."\n".
2558: &mt('Permissions not set.')."\n");
2559: }
2560: }
2561: }
2562:
2563: sub new_mysql_rootpasswd {
1.50 raeburn 2564: my ($currmysqlpass,$usesauth,$is_mariadb) = @_;
1.36 raeburn 2565: if ($usesauth) {
1.50 raeburn 2566: if ($is_mariadb) {
1.51 raeburn 2567: return ("ALTER USER 'root'\@'localhost' IDENTIFIED BY '$currmysqlpass'",
1.50 raeburn 2568: "FLUSH PRIVILEGES;");
2569: } else {
1.51 raeburn 2570: return ("ALTER USER 'root'\@'localhost' IDENTIFIED WITH mysql_native_password BY '$currmysqlpass'",
1.50 raeburn 2571: "FLUSH PRIVILEGES;");
2572: }
1.36 raeburn 2573: } else {
2574: return ("SET PASSWORD FOR 'root'\@'localhost'=PASSWORD('$currmysqlpass')",
2575: "FLUSH PRIVILEGES;");
2576: }
1.1 raeburn 2577: }
2578:
2579: sub get_mysql_version {
1.38 raeburn 2580: my ($version,$subversion,$name);
1.1 raeburn 2581: if (open(PIPE," mysql -V |")) {
2582: my $info = <PIPE>;
2583: chomp($info);
2584: close(PIPE);
1.38 raeburn 2585: ($version,$subversion,$name) = ($info =~ /(\d+\.\d+)\.(\d+)\-?(\w*),/);
1.1 raeburn 2586: } else {
2587: print &mt('Could not determine which version of MySQL is installed.').
2588: "\n";
2589: }
1.38 raeburn 2590: return ($version,$subversion,$name);
1.1 raeburn 2591: }
2592:
2593: ###########################################################
2594: ##
2595: ## RHEL/CentOS/Fedora/Scientific Linux
2596: ## Copy LON-CAPA httpd.conf to /etc/httpd/conf
2597: ##
2598: ###########################################################
2599:
2600: sub copy_httpd_conf {
1.46 raeburn 2601: my ($instdir,$distro,$hostname) = @_;
1.14 raeburn 2602: my $configfile = 'httpd.conf';
1.56 raeburn 2603: if ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {
1.29 raeburn 2604: if ($1 >= 7) {
2605: $configfile = 'apache2.4/httpd.conf';
2606: } elsif ($1 > 5) {
1.14 raeburn 2607: $configfile = 'new/httpd.conf';
2608: }
2609: } elsif ($distro =~ /^fedora(\d+)$/) {
1.29 raeburn 2610: if ($1 > 17) {
2611: $configfile = 'apache2.4/httpd.conf';
2612: } elsif ($1 > 10) {
1.14 raeburn 2613: $configfile = 'new/httpd.conf';
2614: }
2615: }
1.1 raeburn 2616: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',"'httpd.conf'",
2617: "'/etc/httpd/conf/httpd.conf'")."\n");
2618: copy "/etc/httpd/conf/httpd.conf","/etc/httpd/conf/httpd.conf.original";
1.14 raeburn 2619: copy "$instdir/centos-rhes-fedora-sl/$configfile","/etc/httpd/conf/httpd.conf";
1.5 raeburn 2620: chmod(0444,"/etc/httpd/conf/httpd.conf");
1.1 raeburn 2621: print_and_log("\n");
2622: }
2623:
1.59 raeburn 2624: ###########################################################
2625: ##
2626: ## RHEL/CentOS/Fedora/Scientific Linux
2627: ## Copy LON-CAPA mpm.conf to /etc/httpd/conf.modules.d/00-mpm.conf
2628: ##
2629: ## The LON-CAPA mpm.conf enables the prefork MPM module in
2630: ## Apache. This is also the default for RHEL/CentOS/Oracle
1.60 raeburn 2631: ## Linux 7 and earlier, and Fedora 26 and earlier. For more
1.59 raeburn 2632: ## recent versions of those distros, the event MPM is enabled
2633: ## by default. After ©_mpm_conf() is run, the prefork MPM
2634: ## module will be enabled instead of the event MPM module.
2635: ##
2636: ###########################################################
2637:
2638: sub copy_mpm_conf {
2639: my ($instdir,$distro) = @_;
2640: my $mpmfile = 'mpm.conf';
2641: if ((-e "/etc/httpd/conf.modules.d/00-mpm.conf") &&
2642: (-e "$instdir/centos-rhes-fedora-sl/$mpmfile")) {
2643: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',"'mpm.conf'",
2644: "'/etc/httpd/conf.modules.d/00-mpm.conf'")."\n");
2645: copy "$instdir/centos-rhes-fedora-sl/$mpmfile","/etc/httpd/conf.modules.d/00-mpm.conf";
2646: chmod(0644,"/etc/httpd/conf.modules.d/00-mpm.conf");
2647: print_and_log("\n");
2648: } else {
2649: my $logfail;
2650: if ($distro =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {
2651: if ($1 > 7) {
2652: $logfail = 1;
2653: }
2654: } elsif ($distro =~ /^fedora(\d+)$/) {
2655: if ($1 > 26) {
2656: $logfail = 1;
2657: }
2658: }
2659: if ($logfail) {
2660: print_and_log(&mt('Warning: copying the LON-CAPA [_1] failed because [_2] and/or [_3] are missing.',
2661: $mpmfile,"'$instdir/centos-rhes-fedora-sl/$mpmfile'",
2662: "'/etc/httpd/conf.modules.d/00-mpm.conf'"));
2663: print_and_log("\n");
2664: }
2665: }
2666: }
2667:
1.46 raeburn 2668: ###############################################
2669: ##
1.47 raeburn 2670: ## Copy loncapassl.conf and sslrewrite.conf
1.46 raeburn 2671: ##
2672: ###############################################
2673:
1.47 raeburn 2674: #
2675: # The Apache SSL configuration used by LON-CAPA is contained in
2676: # two files: sslrewrite.conf and loncapassl.conf.
2677: #
2678: # Starting with LON-CAPA 2.12, name-based virtual hosts are used
2679: # with port 443. The default virtual host (i.e., the one listed
2680: # first) is for the server's standard hostname, and that is the one
2681: # which will respond to client browser requests for https:// pages.
2682: #
2683: # Accordingly, a system administrator will need to edit the config
2684: # config file to include paths to a signed SSL certificate (public),
2685: # chain (public) and key (private) pem files. The certificate should
2686: # have been signed by a recognized certificate authority ((e.g.,
2687: # InCommon or Let's Encrypt).
2688: #
2689: # The sslrewrite.conf file contains the rewrite configuration for
2690: # the default virtual host. The rewrite rules defined are used to
2691: # allow internal HEAD requests to /cgi-bin/mimetex.cgi to be served
2692: # http://, in order to support vertical alignment of mimetex images
2693: # (one of the options for rendering Math content); (b) allow requests
2694: # for certain URLs (external resource, and syllabus, if external URL
2695: # used) to be served http:// to accommodate the use of iframes which
2696: # would otherwise result in browser blocking of mixed active content.
2697: #
2698: # The loncapassl.conf file contains the configuration for the
2699: # "internal" virtual host, which will respond to requests for https://
2700: # pages from other LON-CAPA servers in the network to which the node
2701: # belongs. The ServerName is internal-<hostname> where <hostname>
2702: # is the server's hostname. There is no need to create a DNS entry
2703: # for internal-<hostname>, as LON-CAPA 2.12 automatically performs
2704: # the required hostname to IP mapping.
2705: #
2706: # Requests to /raw on the "internal" virtual host require a valid
2707: # SSL client certificate, signed by the certificate authority
2708: # for the LON-CAPA network to which the node belongs.
2709: #
2710: # The configuration file to which the contents of sslrewrite.conf
2711: # and loncapassl.conf will be written will have either been identified
2712: # when &chkapachessl() was run, or if no files were found with
2713: # existing rewrite blocks, then a candidate file will be chosen
2714: # from the .conf files containing VirtualHosts definitions.
2715: # If there is more than one suitable candidate file, the system
2716: # administrator will be prompted to select from the available files.
2717: #
2718: # If there are no files containing VirtualHosts definitions, then
2719: # <VirtualHost *:443> </VirtualHost> blocks will be appended to
2720: # the standard Apache SSL config for the particular distro:
2721: # ssl.conf for RHEL/CentOS/Scientific/Fedora, vhost-ssl.conf
2722: # for SuSE/SLES, and default-ssl.conf for Ubuntu.
2723: #
2724: # Once a file is selected, the contents of sslrewrite.conf and
2725: # loncapassl.conf are compared with appropriate blocks in the file
2726: # and the user will be prompted to agree to insertion of missing lines
2727: # and/or deletion of surplus lines.
2728: #
2729:
2730: sub copy_apache_sslconf_files {
2731: my ($distro,$hostname,$hostip,$instdir,$targetdir,$targetfilesref,
2732: $has_std,$has_int,$rewritenum,$nochgstd,$nochgint) = @_;
2733: my ($new_std,$new_int);
2734: my (@internal,@standard,%int_by_linenum,%int_by_linetext,
2735: %rule_by_linenum,%rule_by_linetext,%foundint);
1.46 raeburn 2736: if (-e "$instdir/loncapassl.conf") {
2737: if (open(my $fh,'<',"$instdir/loncapassl.conf")) {
1.47 raeburn 2738: my $num = 1;
2739: while (<$fh>) {
2740: chomp();
2741: if (/^ServerName/) {
2742: s/(\Qinternal-{[[[[Hostname]]]]}\E)/internal-$hostname/;
2743: }
2744: push(@internal,$_);
2745: $int_by_linenum{$num} = $_;
2746: s/(^\s+|\s+$)//g;
2747: push(@{$int_by_linetext{$_}},$num);
2748: $num ++;
2749: }
2750: close($fh);
2751: }
2752: }
2753: if (-e "$instdir/sslrewrite.conf") {
2754: if (open(my $fh,'<',"$instdir/sslrewrite.conf")) {
2755: my $num = 1;
2756: while (<$fh>) {
2757: chomp();
2758: if (/\Q{[[[[HostIP]]]]}\E/) {
2759: s/(\QRewriteCond %{REMOTE_ADDR} {[[[[HostIP]]]]}\E)/RewriteCond %{REMOTE_ADDR} $hostip/;
2760: }
2761: push(@standard,$_);
2762: $rule_by_linenum{$num} = $_;
2763: s/(^\s+|\s+$)//g;
2764: push(@{$rule_by_linetext{$_}},$num);
2765: $num ++;
2766: }
2767: close($fh);
2768: }
2769: }
2770: if (!$nochgstd) {
2771: if ($has_std eq '') {
2772: my $file;
2773: if ($has_int ne '') {
2774: if (open(my $fh,'<',"$targetdir/$has_int")) {
2775: my @saved = <$fh>;
2776: close($fh);
2777: if (open(my $fhout, '>',"$targetdir/$has_int")) {
2778: print $fhout "<VirtualHost *:443>\n".
2779: "ServerName $hostname\n".
2780: join("\n",@standard)."\n".
2781: "</VirtualHost>\n\n".
2782: join('',@saved);
2783: close($fhout);
2784: $new_int = $has_int;
2785: }
2786: }
2787: }
2788: } else {
2789: if ($rewritenum eq '') {
2790: &append_to_vhost($targetdir,$has_std,$hostname,\%rule_by_linenum,'std');
2791: $new_std = $has_std;
2792: } else {
2793: $new_std = &modify_ssl_config($targetdir,$has_std,$hostname,$rewritenum,
2794: \%rule_by_linetext,\%rule_by_linenum,'std');
2795: }
2796: }
2797: }
2798: if (!$nochgint) {
2799: if ($has_int eq '') {
2800: if ($has_std ne '') {
2801: if (open(my $fhout,'>>',"$targetdir/$has_std")) {
2802: print $fhout "\n".join("\n",@internal)."\n";
2803: close($fhout);
2804: $new_int = $has_std;
2805: }
2806: }
2807: } else {
2808: $new_int = &modify_ssl_config($targetdir,$has_int,$hostname,$rewritenum,\%int_by_linetext,\%int_by_linenum,'int');
2809: }
2810: }
2811: if (($has_std eq '') && ($has_int eq '')) {
2812: my ($file,$numfiles) = &get_sslconf_filename($distro,$targetdir,$targetfilesref);
2813: if ($numfiles == 0) {
2814: if (open(my $fhout, '>>', "$targetdir/$file")) {
2815: print $fhout "<VirtualHost *:443>\n".
2816: "ServerName $hostname\n".
2817: join("\n",@standard)."\n".
2818: "</VirtualHost>\n\n".
2819: join("\n",@internal)."\n";
2820: close($fhout);
2821: $new_std = $file;
2822: $new_int = $file;
2823: }
2824: } elsif ($numfiles == 1) {
2825: &append_to_vhost($targetdir,$file,$hostname,\%rule_by_linenum,'std');
2826: if (open(my $fhout, '>>', "$targetdir/$file")) {
2827: print $fhout "\n".join("\n",@internal)."\n";
2828: close($fhout);
2829: $new_std = $file;
2830: $new_int = $file;
2831: }
2832: } elsif ($numfiles == -1) {
2833: print_and_log(&mt('Failed to copy contents of [_1] or [_2] to a file in [_3]',
2834: "'loncapassl.conf'","'sslrewrite.conf'","'$targetdir'")."\n");
2835: }
2836: }
2837: if ($nochgstd) {
2838: print_and_log(&mt('No change required to file: [_1] in [_2], (no difference between [_3] and rewrite block.)',
2839: "'$has_std'","'$targetdir'","'sslrewrite.conf'"));
2840: }
2841: if ($nochgint) {
2842: print_and_log(&mt('No change required to file: [_1] in [_2], (no difference between [_3] and virtualhost block.)',
2843: "'$has_int'","'$targetdir'","'loncapassl.conf'"));
2844: }
2845: if ($new_int) {
2846: print_and_log(&mt('Successfully copied contents of [_1] to [_2].',"'loncapassl.conf'","'$targetdir/$new_int'")."\n");
2847: chmod(0444,"$targetdir/loncapassl.conf");
2848: }
2849: if ($new_std) {
2850: print_and_log(&mt('Successfully copied contents of [_1] to [_2].',"'sslrewrite.conf'","'$targetdir/$new_std'")."\n");
2851: chmod(0444,"$targetdir/loncapassl.conf");
2852: }
2853: return ($new_int,$new_std);
2854: }
2855:
2856: #
2857: # append_to_vhost() is called to add rewrite rules (in a
2858: # <IfModule +mod_rewrite.c> </IfModule> block), provided
2859: # in the sslrewrite.conf configuration file, to an Apache
2860: # SSL configuration file within a VirtualHost for port 443
2861: # (for server's public-facing hostname).
2862: #
2863: sub append_to_vhost {
2864: my ($targetdir,$filename,$hostname,$by_linenum,$type) = @_;
2865: return unless (ref($by_linenum) eq 'HASH');
2866: my ($startvhost,$endvhost);
2867: if (-e "$targetdir/$filename") {
2868: my (@lines,$currname,$virtualhost,$hasname);
2869: if (open(my $fh,'<',"$targetdir/$filename")) {
2870: my $currline = 0;
2871: while (<$fh>) {
2872: $currline ++;
2873: push(@lines,$_);
2874: chomp();
2875: s/(^\s+|\s+$)//g;
2876: if (/^<VirtualHost\s+[^:]*\:443>/) {
2877: $virtualhost = 1;
2878: unless ($endvhost) {
2879: $startvhost = $currline;
1.46 raeburn 2880: }
2881: }
1.47 raeburn 2882: if ($virtualhost) {
2883: if (/^ServerName\s+([^\s]+)\s*$/) {
2884: $currname = $1;
2885: unless ($endvhost) {
2886: if ((($currname eq '') || ($currname eq $hostname)) && ($type eq 'std')) {
2887: $hasname = 1;
2888: }
2889: }
2890: }
2891: if (/^<\/VirtualHost>/) {
2892: $virtualhost = 0;
2893: unless ($endvhost) {
2894: if (((($currname eq '') || ($currname eq $hostname)) && ($type eq 'std')) ||
2895: (($currname eq 'internal-'.$hostname) && ($type eq 'int'))) {
2896: $endvhost = $currline;
2897: } else {
2898: undef($startvhost);
2899: }
2900: }
2901: }
2902: }
2903: }
2904: close($fh);
2905: }
2906: if ($endvhost) {
2907: if (open(my $fout,'>',"$targetdir/$filename")) {
2908: for (my $i=0; $i<@lines; $i++) {
2909: if ($i == $startvhost) {
2910: unless (($hasname) && ($type eq 'std')) {
2911: print $fout "ServerName $hostname\n";
2912: }
2913: }
2914: if ($i == $endvhost-1) {
2915: foreach my $item (sort { $a <=> $b } keys(%{$by_linenum})) {
2916: print $fout $by_linenum->{$item}."\n";
2917: }
2918: }
2919: print $fout $lines[$i];
2920: }
2921: close($fout);
2922: }
2923: }
2924: }
2925: return $endvhost;
2926: }
2927:
2928: #
2929: # get_sslconf_filename() is called when the Apache SSL configuration
2930: # option has been selected and there are no files containing
2931: # VirtualHost definitions containing rewrite blocks,
2932: #
2933: # In this case get_sslconf_filename() is used to chose from the
2934: # available .conf files containing VirtualHosts definitions. If
2935: # there is ambiguity about which file to use, &apacheconf_choice()
2936: # will be called to prompt the user to choose one of the possible
2937: # files.
2938: #
2939:
2940: sub get_sslconf_filename {
2941: my ($distro,$targetdir,$targetfilesref) = @_;
2942: my ($configfile,$numfiles,@possfiles);
2943: if (ref($targetfilesref) eq 'HASH') {
2944: if (keys(%{$targetfilesref}) > 0) {
2945: foreach my $name (sort(keys(%{$targetfilesref}))) {
2946: if (ref($targetfilesref->{$name}) eq 'HASH') {
2947: foreach my $file (sort(keys(%{$targetfilesref->{$name}}))) {
2948: next if ($file eq '');
2949: next if (!-e "$targetdir/$file");
2950: unless (grep(/^\Q$file\E$/,@possfiles)) {
2951: push(@possfiles,$file);
2952: }
2953: }
2954: }
2955: }
2956: }
2957: if (@possfiles == 0) {
2958: $configfile = 'ssl.conf';
2959: if ($distro =~ /^(suse|sles)/) {
2960: $configfile = 'vhost-ssl.conf';
2961: } elsif ($distro =~ /^(debian|ubuntu)/) {
2962: $configfile = 'default-ssl.conf';
2963: }
2964: $numfiles = 0;
2965: print &mt('No configuration files in [_1] contain a <VirtualHost *:443> </VirtualHost> block which can be used to house Apache rewrite rules from https to http.',$targetdir)."\n\n".
2966: &mt('Accordingly, the contents of sslrewrite.conf will be included in a <VirtualHost *:443> </VirtualHost> block which will be added to a file named: [_1].',$configfile)."\n\n";
2967: } elsif (@possfiles == 1) {
2968: $configfile = $possfiles[0];
2969: $numfiles = 1;
2970: print &mt('A single configuration file in [_1] contains a <VirtualHost *:443> </VirtualHost> block.',$targetdir)."\n".
2971: &mt('The contents of sslrewrite.conf will be added to this block.')."\n\n";
2972: } else {
2973: print &mt('More than one Apache config file contains a <VirtualHost *:443> </VirtualHost> block.')."\n\n".&mt('The possible files are:')."\n";
2974: my $counter = 1;
2975: my $max = scalar(@possfiles);
2976: foreach my $file (@possfiles) {
2977: print "$counter. $file\n";
2978: $counter ++;
2979: }
2980: print "\n".&mt('Enter a number between 1 and [_1] to indicate which file should be modified to include the contents of sslrewrite.conf.',$max)."\n";
2981: my $choice = &apacheconf_choice($max);
2982: if (($choice =~ /^\d+$/) && ($choice >= 1) && ($choice <= $max)) {
2983: $configfile = $possfiles[$choice-1];
2984: $numfiles = 1;
1.46 raeburn 2985: } else {
1.47 raeburn 2986: $numfiles = -1;
1.46 raeburn 2987: }
2988: }
2989: }
1.47 raeburn 2990: return ($configfile,$numfiles);
2991: }
2992:
2993: #
2994: # &apacheconf_choice() prompts a user to choose an integer between 1 and the
2995: # maximum number of available of possible Apache SSL config files found
2996: # at the distros standard location for Apache config files containing
2997: # VirtualHost definitions.
2998: #
2999: # This routine is called recursively until the user enters a valid integer.
3000: #
3001:
3002: sub apacheconf_choice {
3003: my ($max) = @_;
3004: my $choice = <STDIN>;
3005: chomp($choice);
3006: $choice =~ s/(^\s+|\s+$)//g;
3007: my $configfile;
3008: if (($choice =~ /^\d+$/) && ($choice >= 1) && ($choice <= $max)) {
3009: $configfile = $choice;
3010: }
3011: while ($configfile eq '') {
3012: print &mt('Invalid choice. Please enter a number between 1 and [_1].',$max)."\n";
3013: $configfile = &apacheconf_choice($max);
3014: }
3015: print "\n";
3016: return $configfile;
3017: }
3018:
3019: #
3020: # &modify_ssl_config() is called to modify the contents of an Apache SSL config
3021: # file so that it has two <VirtualHost *:443> </VirtualHost> blocks containing
3022: # (a) the default VirtualHost with the <IfModule mod_rewrite.c> </IfModule> block
3023: # provided in sslrewrites.conf, and (b) an "internal" VirtualHost with the
3024: # content provided in loncapassl.conf.
3025: #
3026: # This routine will prompted you to agree to insertion of lines present in the
3027: # shipped conf file, but missing from the local config file, and also for
3028: # deletion of lines present in the local config file, but not required in
3029: # the shipped conf file.
3030: #
3031:
3032: sub modify_ssl_config {
3033: my ($targetdir,$filename,$hostname,$rewritenum,$by_linetext,$by_linenum,$type) = @_;
3034: return unless ((ref($by_linetext) eq 'HASH') && (ref($by_linenum) eq 'HASH'));
3035: if (-e "$targetdir/$filename") {
3036: my (@lines,$virtualhost,$currname,$rewrite);
3037: if (open(my $fh,'<',"$targetdir/$filename")) {
3038: my %found;
3039: my %possible;
3040: my $currline = 0;
3041: my $rewritecount = 0;
3042: while (<$fh>) {
3043: $currline ++;
3044: push(@lines,$_);
3045: chomp();
3046: s/(^\s+|\s+$)//g;
3047: if (/^\s*<VirtualHost\s+[^:]*\:443>\s*$/) {
3048: $virtualhost = 1;
3049: }
3050: if ($virtualhost) {
3051: if ((exists($by_linetext->{$_})) && (ref($by_linetext->{$_}) eq 'ARRAY') &&
3052: (@{$by_linetext->{$_}} > 0)) {
3053: $possible{$currline} = shift(@{$by_linetext->{$_}});
3054: }
3055: if (/^\s*<\/VirtualHost>/) {
3056: if ((($currname eq 'internal-'.$hostname) && ($type eq 'int')) ||
3057: ((($currname eq $hostname) || ($currname eq '')) && ($type eq 'std') &&
3058: ($rewritecount == $rewritenum))) {
3059: %found = (%found,%possible);
3060: } else {
3061: foreach my $line (sort {$b <=> $a } keys(%possible)) {
3062: my $num = $possible{$line};
3063: if (ref($by_linetext->{$by_linenum->{$num}}) eq 'ARRAY') {
3064: unshift(@{$by_linetext->{$by_linenum->{$num}}},$num);
3065: }
3066: }
3067: }
3068: undef(%possible);
3069: $virtualhost = 0;
3070: $currname = '';
3071: } elsif (/^\s*ServerName\s+([^\s]+)\s*$/) {
3072: $currname = $1;
3073: } elsif (/^\s*<IfModule\s+mod_rewrite\.c>/) {
3074: $rewrite = 1;
3075: } elsif (/^\s*<\/IfModule>/) {
3076: $rewritecount ++;
3077: $rewrite = 0;
3078: }
3079: }
3080: }
3081: close($fh);
3082: if (open(my $fout,'>',"$targetdir/$filename")) {
3083: my $currline = 0;
3084: my ($lastfound,$done);
3085: my $numfound = 0;
3086: foreach my $line (@lines) {
3087: $currline ++;
3088: if ($done) {
3089: print $fout $line;
3090: } elsif ($lastfound) {
3091: if ($found{$currline}) {
3092: for (my $i=$lastfound+1; $i<$found{$currline}; $i++) {
3093: print &mt('The following line is missing from the current <VirtualHost *:443> </VirtualHost> block:')."\n".
3094: $by_linenum->{$i}."\n".
3095: &mt('Add this line? ~[Y/n~]');
3096: if (&get_user_selection(1)) {
3097: print $fout $by_linenum->{$i}."\n";
3098: }
3099: }
3100: $numfound ++;
3101: $lastfound = $found{$currline};
3102: print $fout $line;
3103: if ($numfound == scalar(keys(%found))) {
3104: $done = 1;
3105: for (my $i=$found{$currline}+1; $i<=scalar(keys(%{$by_linenum})); $i++) {
3106: print &mt('The following line is missing from the current <VirtualHost *:443> </VirtualHost> block:')."\n".
3107: $by_linenum->{$i}."\n".
3108: &mt('Add this line? ~[Y/n~]');
3109: if (&get_user_selection(1)) {
3110: print $fout $by_linenum->{$i}."\n";
3111: }
3112: }
3113: }
3114: } else {
3115: print &mt('The following line found within a <VirtualHost *:443> </VirtualHost> block does not match that expected by LON-CAPA:')."\n".
3116: $line.
3117: &mt('Delete this line? ~[Y/n~]');
3118: if (!&get_user_selection(1)) {
3119: print $fout $line;
3120: }
3121: }
3122: } elsif ($found{$currline}) {
3123: $numfound ++;
3124: $lastfound = $found{$currline};
3125: for (my $i=1; $i<$found{$currline}; $i++) {
3126: print &mt('The following line is missing from the current <VirtualHost *:443> </VirtualHost> block:')."\n".
3127: $by_linenum->{$i}."\n".
3128: &mt('Add this line? ~[Y/n~]');
3129: if (&get_user_selection(1)) {
3130: print $fout $by_linenum->{$i}."\n";
3131: }
3132: }
3133: print $fout $line;
3134: } else {
3135: print $fout $line;
3136: }
3137: }
3138: close($fout);
3139: }
1.46 raeburn 3140: }
3141: }
1.47 raeburn 3142: return $filename;
1.46 raeburn 3143: }
3144:
1.1 raeburn 3145: #########################################################
3146: ##
1.17 raeburn 3147: ## Ubuntu/Debian -- copy our loncapa configuration file to
1.1 raeburn 3148: ## sites-available and set the symlink from sites-enabled.
3149: ##
3150: #########################################################
3151:
3152: sub copy_apache2_debconf {
1.46 raeburn 3153: my ($instdir,$distro,$hostname) = @_;
1.6 raeburn 3154: my $apache2_mods_enabled_dir = '/etc/apache2/mods-enabled';
3155: my $apache2_mods_available_dir = '/etc/apache2/mods-available';
3156: foreach my $module ('headers.load','expires.load') {
3157: unless (-l "$apache2_mods_enabled_dir/$module") {
3158: symlink("$apache2_mods_available_dir/$module","$apache2_mods_enabled_dir/$module");
3159: print_and_log(&mt('Enabling "[_1]" Apache module.',$module)."\n");
3160: }
3161: }
1.28 raeburn 3162: my $apache2_sites_enabled_dir = '/etc/apache2/sites-enabled';
3163: my $apache2_sites_available_dir = '/etc/apache2/sites-available';
3164: my $defaultconfig = "$apache2_sites_enabled_dir/000-default";
3165: my ($distname,$version);
3166: if ($distro =~ /^(debian|ubuntu)(\d+)$/) {
3167: $distname = $1;
3168: $version = $2;
3169: }
3170: if (($distname eq 'ubuntu') && ($version > 12)) {
3171: $defaultconfig = "$apache2_sites_enabled_dir/000-default.conf";
3172: }
1.64 ! raeburn 3173: my ($skipconf,$skipsite,$skipstatus);
1.28 raeburn 3174: if (($distname eq 'ubuntu') && ($version > 12)) {
3175: my $apache2_conf_enabled_dir = '/etc/apache2/conf-enabled';
3176: my $apache2_conf_available_dir = '/etc/apache2/conf-available';
1.64 ! raeburn 3177: my $defaultconf = $apache2_conf_enabled_dir.'/loncapa.conf';
! 3178: if ((-e "$apache2_conf_available_dir/loncapa") && (-e "$instdir/debian-ubuntu/ubuntu14/loncapa_conf")) {
! 3179: if (open(PIPE, "diff --brief $apache2_conf_available_dir/loncapa $instdir/debian-ubuntu/ubuntu14/loncapa_conf" |")) {
! 3180: my $diffres = <PIPE>;
! 3181: close(PIPE);
! 3182: chomp($diffres);
! 3183: if ($diffres) {
! 3184: copy("$apache2_conf_available_dir/loncapa","$apache2_conf_available_dir/loncapa.original");
! 3185: }
! 3186: if (-l $defaultconf) {
! 3187: my $linkfname = readlink($defaultconf);
! 3188: if ($linkfname eq "$apache2_conf_available_dir/loncapa") {
! 3189: unless ($diffres) {
! 3190: $skipconf = 1;
! 3191: }
! 3192: }
! 3193: }
! 3194: }
! 3195: }
! 3196: unless ($skipconf) {
! 3197: print_and_log(&mt('Copying loncapa [_1] config file to [_2] and pointing [_3] to it from conf-enabled.',"'apache2'","'/etc/apache2/conf-available'","'loncapa.conf symlink'")."\n");
! 3198: copy("$instdir/debian-ubuntu/ubuntu14/loncapa_conf","$apache2_conf_available_dir/loncapa");
! 3199: chmod(0444,"$apache2_conf_available_dir/loncapa");
! 3200: if (-l $defaultconf) {
! 3201: unlink($defaultconf);
! 3202: }
! 3203: symlink("$apache2_conf_available_dir/loncapa","$defaultconf");
! 3204: }
! 3205: my $stdsite = "$instdir/debian-ubuntu/ubuntu14/loncapa_site";
! 3206: if ((-e $stdsite) && (-e "$apache2_sites_available_dir/loncapa")) {
! 3207: if (open(PIPE, "diff --brief $stdsite $apache2_sites_available_dir/loncapa |")) {
! 3208: my $diffres = <PIPE>;
! 3209: close(PIPE);
! 3210: chomp($diffres);
! 3211: if ($diffres) {
! 3212: copy("$apache2_sites_available_dir/loncapa","$apache2_sites_available_dir/loncapa.original");
! 3213: }
! 3214: if (-l $defaultconfig) {
! 3215: my $linkfname = readlink($defaultconfig);
! 3216: if ($linkfname eq "$apache2_sites_available_dir/loncapa") {
! 3217: unless ($diffres) {
! 3218: $skipsite = 1;
! 3219: }
! 3220: }
! 3221: }
! 3222: }
! 3223: }
! 3224: unless ($skipsite) {
! 3225: print_and_log(&mt('Copying loncapa [_1] site file to [_2] and pointing [_3] to it from sites-enabled.',"'apache2'","'/etc/apache2/sites-available'","'000-default.conf symlink'")."\n");
! 3226: copy("$instdir/debian-ubuntu/ubuntu14/loncapa_site","$apache2_sites_available_dir/loncapa");
! 3227: chmod(0444,"$apache2_sites_available_dir/loncapa");
! 3228: symlink("$apache2_sites_available_dir/loncapa","$defaultconfig");
! 3229: }
! 3230: } else {
! 3231: if ((-e "$instdir/debian-ubuntu/loncapa") && (-e "$apache2_sites_available_dir/loncapa")) {
! 3232: if (open(PIPE, "diff --brief $instdir/debian-ubuntu/loncapa $apache2_sites_available_dir/loncapa |")) {
! 3233: my $diffres = <PIPE>;
! 3234: close(PIPE);
! 3235: chomp($diffres);
! 3236: if ($diffres) {
! 3237: copy("$apache2_sites_available_dir/loncapa","$apache2_sites_available_dir/loncapa.original");
! 3238: }
! 3239: if (-l $defaultconfig) {
! 3240: my $linkfname = readlink($defaultconfig);
! 3241: if ($linkfname eq "$apache2_sites_available_dir/loncapa") {
! 3242: unless ($diffres) {
! 3243: $skipsite = 1;
! 3244: }
! 3245: }
! 3246: }
! 3247: }
! 3248: }
! 3249: unless ($skipsite) {
! 3250: if (-l $defaultconfig) {
! 3251: unlink($defaultconfig);
! 3252: }
! 3253: print_and_log(&mt('Copying loncapa [_1] config file to [_2] and pointing [_3] to it from sites-enabled.',"'apache2'","'/etc/apache2/sites-available'","'000-default symlink'")."\n");
! 3254: if (-e "$instdir/debian-ubuntu/loncapa") {
! 3255: copy("$instdir/debian-ubuntu/loncapa","$apache2_sites_available_dir/loncapa");
! 3256: chmod(0444,"$apache2_sites_available_dir/loncapa");
! 3257: symlink("$apache2_sites_available_dir/loncapa","$apache2_sites_enabled_dir/000-default");
! 3258: }
! 3259: }
! 3260: }
! 3261: if ($distname eq 'ubuntu') {
! 3262: my $sitestatus = "$apache2_mods_available_dir/status.conf";
! 3263: my $stdstatus = "$instdir/debian-ubuntu/status.conf";
! 3264: if ((-e $sitestatus) && (-e $stdstatus)) {
! 3265: if (open(PIPE, "diff --brief $stdstatus $sitestatus |")) {
! 3266: my $diffres = <PIPE>;
! 3267: close(PIPE);
! 3268: chomp($diffres);
! 3269: if ($diffres) {
! 3270: copy("$apache2_mods_available_dir/status.conf","$apache2_mods_available_dir/status.conf.original");
! 3271: } else {
! 3272: $skipstatus = 1;
! 3273: }
! 3274: }
! 3275: }
! 3276: unless ($skipstatus) {
! 3277: if (-e $stdstatus) {
! 3278: print_and_log(&mt('Copying loncapa [_1] file to [_2],',"'status.conf'","'/etc/apache2/mods-available/status.conf'")."\n");
! 3279: copy($stdstatus,$sitestatus);
! 3280: chmod(0644,$sitestatus);
! 3281: }
1.28 raeburn 3282: }
3283: }
1.1 raeburn 3284: print_and_log("\n");
3285: }
3286:
3287: ###########################################################
3288: ##
3289: ## openSuSE/SLES Copy apache2 config files:
3290: ## default-server.conf, uid.conf, /etc/sysconfig/apache2
3291: ## and create symlink from /srv/www/conf to /etc/apache2
3292: ##
3293: ###########################################################
3294:
3295: sub copy_apache2_suseconf {
1.49 raeburn 3296: my ($instdir,$hostname,$distro) = @_;
3297: my ($name,$version) = ($distro =~ /^(suse|sles)([\d\.]+)$/);
3298: my $conf_file = "$instdir/sles-suse/default-server.conf";
3299: if (($name eq 'sles') && ($version >= 12)) {
3300: $conf_file = "$instdir/sles-suse/apache2.4/default-server.conf";
3301: }
1.1 raeburn 3302: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',
3303: "'default-server.conf'",
3304: "'/etc/apache2/default-server.conf'")."\n");
3305: if (!-e "/etc/apache2/default-server.conf.original") {
3306: copy "/etc/apache2/default-server.conf","/etc/apache2/default-server.conf.original";
3307: }
1.49 raeburn 3308: copy $conf_file,"/etc/apache2/default-server.conf";
1.5 raeburn 3309: chmod(0444,"/etc/apache2/default-server.conf");
1.1 raeburn 3310: # Make symlink for conf directory (included in loncapa_apache.conf)
3311: my $can_symlink = (eval { symlink('/etc/apache2','/srv/www/conf'); }, $@ eq '');
3312: if ($can_symlink) {
3313: &print_and_log(&mt('Symlink created for [_1] to [_2].',
3314: "'/srv/www/conf'","'/etc/apache2'")."\n");
3315: } else {
3316: &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");
3317: }
3318: ©_apache2_conf_files($instdir);
1.49 raeburn 3319: ©_sysconfig_apache2_file($instdir,$name,$version);
1.1 raeburn 3320: print_and_log("\n");
3321: }
3322:
3323: ###############################################
3324: ##
3325: ## Modify uid.conf
3326: ##
3327: ###############################################
3328: sub copy_apache2_conf_files {
3329: my ($instdir) = @_;
3330: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',
3331: "'uid.conf'","'/etc/apache2/uid.conf'")."\n");
3332: if (!-e "/etc/apache2/uid.conf.original") {
3333: copy "/etc/apache2/uid.conf","/etc/apache2/uid.conf.original";
3334: }
1.9 raeburn 3335: copy "$instdir/sles-suse/uid.conf","/etc/apache2/uid.conf";
1.5 raeburn 3336: chmod(0444,"/etc/apache2/uid.conf");
1.1 raeburn 3337: }
3338:
3339: ###############################################
3340: ##
3341: ## Modify /etc/sysconfig/apache2
3342: ##
3343: ###############################################
3344: sub copy_sysconfig_apache2_file {
1.49 raeburn 3345: my ($instdir,$name,$version) = @_;
1.1 raeburn 3346: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',"'sysconfig/apache2'","'/etc/sysconfig/apache2'")."\n");
3347: if (!-e "/etc/sysconfig/apache2.original") {
3348: copy "/etc/sysconfig/apache2","/etc/sysconfig/apache2.original";
3349: }
1.49 raeburn 3350: my $sysconf_file = "$instdir/sles-suse/sysconfig_apache2";
3351: if (($name eq 'sles') && ($version >= 12)) {
3352: $sysconf_file = "$instdir/sles-suse/apache2.4/sysconfig_apache2";
3353: }
1.57 raeburn 3354: copy $sysconf_file,"/etc/sysconfig/apache2";
1.5 raeburn 3355: chmod(0444,"/etc/sysconfig/apache2");
1.1 raeburn 3356: }
3357:
3358: ###############################################
3359: ##
3360: ## Add/Modify /etc/insserv/overrides
3361: ##
3362: ###############################################
3363:
3364: sub update_SuSEfirewall2_setup {
3365: my ($instdir) = @_;
3366: print_and_log(&mt('Copying the LON-CAPA [_1] to [_2].',"'SuSEfirewall2_setup'","'/etc/insserv/overrides/SuSEfirewall2_setup'")."\n");
3367: if (!-e "/etc/insserv/overrides/SuSEfirewall2_setup") {
3368: if (!-d "/etc/insserv") {
3369: mkdir("/etc/insserv",0755);
3370: }
3371: if (!-d "/etc/insserv/overrides") {
3372: mkdir("/etc/insserv/overrides",0755);
3373: }
3374: } elsif (!-e "/etc/insserv/overrides/SuSEfirewall2_setup.original") {
3375: copy "/etc/insserv/overrides/SuSEfirewall2_setup","/etc/insserv/overrides/SuSEfirewall2_setup.original"
3376: }
1.9 raeburn 3377: copy "$instdir/sles-suse/SuSEfirewall2_setup","/etc/insserv/overrides/SuSEfirewall2_setup";
1.5 raeburn 3378: chmod(0444,"/etc/insserv/overrides/SuSEfirewall2_setup");
3379: }
3380:
3381: sub get_iptables_rules {
3382: my ($distro,$instdir,$apachefw) = @_;
3383: my (@fwchains,@ports);
3384: if (&firewall_is_active()) {
3385: my $iptables = &get_pathto_iptables();
3386: if ($iptables ne '') {
3387: @fwchains = &get_fw_chains($iptables,$distro);
3388: }
3389: }
3390: if (ref($apachefw) eq 'HASH') {
3391: foreach my $service ('http','https') {
3392: unless ($apachefw->{$service}) {
3393: push (@ports,$service);
3394: }
3395: }
3396: } else {
3397: @ports = ('http','https');
3398: }
3399: if (@ports == 0) {
3400: return;
3401: }
3402: my $ask_to_enable;
3403: if (-e "/etc/iptables.loncapa.rules") {
1.9 raeburn 3404: if (open(PIPE, "diff --brief $instdir/debian-ubuntu/iptables.loncapa.rules /etc/iptables.loncapa.rules |")) {
1.5 raeburn 3405: my $diffres = <PIPE>;
3406: close(PIPE);
3407: chomp($diffres);
3408: if ($diffres) {
3409: print &mt('Warning: [_1] exists but differs from LON-CAPA supplied file.','/etc/iptables.loncapa.rules')."\n";
3410: }
3411: } else {
3412: print &mt('Error: unable to open [_1] to compare contents with LON-CAPA supplied file.','/etc/iptables.loncapa.rules')."\n";
3413: }
3414: } else {
1.9 raeburn 3415: if (-e "$instdir/debian-ubuntu/iptables.loncapa.rules") {
3416: copy "$instdir/debian-ubuntu/iptables.loncapa.rules","/etc/iptables.loncapa.rules";
1.5 raeburn 3417: chmod(0600,"/etc/iptables.loncapa.rules");
3418: }
3419: }
3420: if (-e "/etc/iptables.loncapa.rules") {
3421: if (-e "/etc/network/if-pre-up.d/iptables") {
1.9 raeburn 3422: if (open(PIPE, "diff --brief $instdir/debian-ubuntu/iptables /etc/network/if-pre-up/iptables |")) {
1.5 raeburn 3423: my $diffres = <PIPE>;
3424: close(PIPE);
3425: chomp($diffres);
3426: if ($diffres) {
3427: print &mt('Warning: [_1] exists but differs from LON-CAPA supplied file.','/etc/network/if-pre-up.d/iptables')."\n";
3428: }
3429: } else {
3430: print &mt('Error: unable to open [_1] to compare contents with LON-CAPA supplied file.','/etc/network/if-pre-up.d/iptables')."\n";
3431: }
3432: } else {
1.9 raeburn 3433: copy "$instdir/debian-ubuntu/iptables","/etc/network/if-pre-up.d/iptables";
1.5 raeburn 3434: chmod(0755,"/etc/network/if-pre-up.d/iptables");
3435: print_and_log(&mt('Installed script "[_1]" to add iptables rules to block all ports except 22, 80, and 443 when network is enabled during boot.','/etc/network/if-pre-up.d/iptables'));
3436: $ask_to_enable = 1;
3437: }
3438: }
3439: return $ask_to_enable;
1.1 raeburn 3440: }
3441:
3442: sub download_loncapa {
3443: my ($instdir,$lctarball) = @_;
3444: my ($have_tarball,$updateshown);
3445: if (! -e "$instdir/$lctarball") {
3446: print_and_log(&mt('Retrieving LON-CAPA source files from: [_1]',
3447: 'http://install.loncapa.org')."\n");
3448: system("wget http://install.loncapa.org/versions/$lctarball ".
3449: "2>/dev/null 1>/dev/null");
3450: if (! -e "./$lctarball") {
3451: print &mt('Unable to retrieve LON-CAPA source files from: [_1].',
3452: "http://install.loncapa.org/versions/$lctarball")."\n";
3453: } else {
3454: $have_tarball = 1;
3455: }
3456: print_and_log("\n");
3457: } else {
3458: $have_tarball = 1;
3459: print_and_log("
3460: ------------------------------------------------------------------------
3461:
3462: ".&mt('You seem to have a version of loncapa-current.tar.gz in [_1]',$instdir)."\n".
3463: &mt('This copy will be used and a new version will NOT be downloaded.')."\n".
3464: &mt('If you wish, you may download a new version by executing:')."
3465:
1.2 raeburn 3466: wget http://install.loncapa.org/versions/loncapa-current.tar.gz
1.1 raeburn 3467:
3468: ------------------------------------------------------------------------
3469: ");
3470: }
3471:
3472: ##
3473: ## untar loncapa.tar.gz
3474: ##
3475: if ($have_tarball) {
3476: print_and_log(&mt('Extracting LON-CAPA source files')."\n");
3477: writelog(`cd ~root; tar zxf $instdir/$lctarball`);
3478: print_and_log("\n");
3479: print &mt('LON-CAPA source files extracted.')."\n".
3480: &mt('It remains for you to execute the following commands:')."
3481:
1.63 raeburn 3482: cd /root/loncapa-X.Y.Z (X.Y.Z should correspond to a version number like '2.11.3')
1.1 raeburn 3483: ./UPDATE
3484:
3485: ".&mt('If you have any trouble, please see [_1] and [_2]',
3486: 'http://install.loncapa.org/','http://help.loncapa.org/')."\n";
3487: $updateshown = 1;
3488: }
3489: return ($have_tarball,$updateshown);
3490: }
3491:
3492: close LOG;
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