1: #!/usr/bin/perl -w
2: # The LearningOnline Network
3: # Red Hat 7.3 installation script
4: #
5: # $Id: install.pl,v 1.10 2002/11/16 00:01:29 harris41 Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: ##
29: ## Obvious flaws of this program:
30: ## Dieing on every error may be a little extreme. On the other hand,
31: ## how the heck am I supposed to know what absurd things the user
32: ## has done with their system before inflicting LON-CAPA on it?
33: ## The links to /etc/init.d for httpd and mysqld do not seem to work :(
34: ## The user is never informed of the log file (/tmp/loncapa_install.log).
35: ## It does not test the system at the end. Again, there are limits to
36: ## what nonsense we can put up with. Of course, we will have to
37: ## explain that to people at some point...
38: ## There is probably an overuse of elipses (...) in the comments.
39: ## It might be nice to check that all the files we need are here.
40: ## Appletalk is installed but does not work and gives errors on
41: ## boot up. I have not been able to find a clean way to get the
42: ## appletalk support working but the powers that be insist on it.
43: ##
44:
45: #
46: # Needed files:
47: #
48: # The following files are assumed to be present in the current
49: # directory:
50: # RPMS:
51: # ImageMagick-5.4.3.11-1.i386.rpm
52: # ImageMagick-devel-5.4.3.11-1.i386.rpm
53: # ImageMagick-perl-5.4.3.11-1.i386.rpm
54: # gnuplot-3.7.1-5.i386.rpm
55: # libgd-1.3-4.i386.rpm
56: # libungif-progs-4.1.0-9.i386.rpm
57: # ncurses4-5.0-5.i386.rpm
58: # readline-2.2.1-6.i386.rpm
59: # readline-4.2a-4.i386.rpm
60: # perl-DBD-MySQL-1.2216-4.i386.rpm
61: # perl-DBI-1.21-1.i386.rpm
62: # mod_perl-1.26-5.i386.rpm
63: # perl-suidperl-5.6.1-34.99.6.i386.rpm
64: # LON-CAPA-systemperl-3.4-rh72.i386.rpm
65: # mysql-3.23.49-3.i386.rpm
66: # mysqlclient9-3.23.22-6.i386.rpm
67: # mysql-server-3.23.49-3.i386.rpm
68: # hwcrypto-1.0-3.i386.rpm
69: # m2crypto-0.05_snap4-2.i386.rpm
70: # netatalk-1.5pre6-1rh7.i386.rpm
71: # Other files:
72: # httpd.conf
73: # mod_auth_external-2.1.13.tar.gz
74: #
75: # The contingency plan for a 7.2 install tells the user to install these
76: # from the current directory.
77: # perl-5.6.1-34.99.6.i386.rpm
78: # perl-CGI-2.752-34.99.6.i386.rpm
79: #
80:
81: use strict;
82: use File::Copy;
83:
84: my $result;
85: my $test;
86:
87: # note: The filehandle LOG is global.
88: open LOG,">/tmp/loncapa_install.log" || die "Unable to open log file.\n";
89:
90: # Some friendly subroutines
91: sub die_if_nonempty {
92: my ($string,$error)=@_;
93: return if (! defined($error));
94: chomp($string);chomp($error);
95: if ($string ne '') {
96: print_and_log("$error\nHalting.\n");
97: die;
98: }
99: }
100:
101: sub make_link_or_die {
102: my ($source,$dest)=@_;
103: &die_if_nonempty
104: (`ln -fs $source $dest`,"Unable to link $source to $dest.");
105: print LOG "Link from $source to $dest made successfully\n";
106: }
107:
108: sub writelog {
109: while ($_ = shift) {
110: chomp;
111: print LOG "$_\n";
112: }
113: }
114:
115: sub print_and_log {
116: while ($_=shift) {
117: chomp;
118: print "$_\n";
119: print LOG "$_\n";
120: }
121: }
122:
123: ##
124: ## First, make sure it's a red hat system.
125: ##
126: if (! -e "/etc/redhat-release") {
127: print_and_log(<<"END");
128: *********************************************************************
129:
130: This does not a appear to be a Red-Hat system. More than likely the
131: installation will not be successful! Press control-c to abort now,
132: otherwise press enter to forge ahead and damn the torpedos.
133:
134: *********************************************************************
135: END
136: undef = <STDIN>;
137: }
138:
139:
140:
141: #
142: # The installation work begins now...
143: #
144:
145: print <<"END";
146: ********************************************************************
147:
148: Welcome to LON-CAPA
149:
150: This script will install the base software that LON-CAPA needs to
151: run properly.
152:
153: ********************************************************************
154: END
155:
156: ##
157: ## Install needed RPMS
158: ##
159: my $instdir = `pwd`;
160: chomp($instdir);
161: #
162: # This list of rpms needs to be pared down to some extent.
163: #
164:
165: my @apache_rpms = (
166: "$instdir/apache-1.3.23-14.i386.rpm"
167: );
168:
169: my @openssh_rpms = (
170: "$instdir/openssh-3.1p1-6.i386.rpm",
171: "$instdir/openssh-askpass-3.1p1-6.i386.rpm",
172: "$instdir/openssh-clients-3.1p1-6.i386.rpm",
173: "$instdir/openssh-server-3.1p1-6.i386.rpm"
174: );
175: # Check for gnome-askpass installation.
176: if (-e "/etc/profile.d/gnome-ssh-askpass.sh") {
177: push @openssh_rpms,"$instdir/openssh-askpass-gnome-3.1p1-6.i386.rpm";
178: }
179:
180: my @ImageMagick_rpms = (
181: "$instdir/ImageMagick-5.4.3.11-1.i386.rpm",
182: "$instdir/ImageMagick-devel-5.4.3.11-1.i386.rpm",
183: "$instdir/ImageMagick-perl-5.4.3.11-1.i386.rpm",
184: );
185:
186: my @gnuplot_rpms = (
187: "$instdir/gnuplot-3.7.1-5.i386.rpm",
188: "$instdir/libgd-1.3-4.i386.rpm",
189: "$instdir/libungif-progs-4.1.0-9.i386.rpm",
190: "$instdir/ncurses4-5.0-5.i386.rpm",
191: "$instdir/readline-2.2.1-6.i386.rpm",
192: "$instdir/readline-4.2a-4.i386.rpm"
193: );
194: my @perl_rpms = (
195: "$instdir/perl-DBD-MySQL-1.2216-4.i386.rpm",
196: "$instdir/perl-DBI-1.21-1.i386.rpm",
197: "$instdir/mod_perl-1.26-5.i386.rpm",
198: "$instdir/perl-suidperl-5.6.1-34.99.6.i386.rpm",
199: );
200: my @loncapa_perl_rpms = (
201: "$instdir/LON-CAPA-systemperl-3.4-rh72.i386.rpm"
202: );
203: my @mysql_rpms = (
204: "$instdir/mysql-3.23.49-3.i386.rpm", # okay w/o f,nd
205: "$instdir/mysqlclient9-3.23.22-6.i386.rpm", # okay w/o f,nd
206: "$instdir/mysql-server-3.23.49-3.i386.rpm", # okay w/o f,nd
207: );
208: my @misc_rpms = (
209: "$instdir/hwcrypto-1.0-3.i386.rpm", # already installed
210: "$instdir/m2crypto-0.05_snap4-2.i386.rpm", # okay w/o f,nd
211: "$instdir/tetex-dvips-1.0.7-47.i386.rpm"
212: );
213: ##
214: ## Okay, I have tried being nice about this and not doing '--force --nodeps',
215: ## but it is an exercise in frustration. It would be nice to be kind, but
216: ## frankly I do not want to spend the time to figure this out.
217: ##
218:
219: print_and_log("Installing Apache packages.\n");
220: writelog (`rpm -Uvh @apache_rpms`);
221: print_and_log("Installing openssh packages.\n");
222: writelog (`rpm -Uvh @openssh_rpms`);
223: system("/etc/init.d/sshd start");
224: print_and_log("Installing ImageMagick packages.\n");
225: writelog (`rpm -ivh --force --nodeps @ImageMagick_rpms`);
226: print_and_log("Installing mysql packages.\n");
227: writelog (`rpm -ivh --force --nodeps @mysql_rpms`);
228: print_and_log("Installing gnuplot packages.\n");
229: writelog (`rpm -ivh --force --nodeps @gnuplot_rpms`);
230: print_and_log("Installing LON-CAPA Perl packages.\n");
231: writelog (`rpm -ivh --force --nodeps @loncapa_perl_rpms`);
232: print_and_log("Installing Perl packages.\n");
233: writelog (`rpm -ivh --force --nodeps @perl_rpms`);
234: print_and_log("Installing misc packages.\n");
235: writelog (`rpm -ivh --force --nodeps @misc_rpms`);
236: print_and_log("\n");
237:
238: ##
239: ## Fix that stupid little sendmail bug
240: ##
241: print_and_log("changing permissions on root directory.\n");
242: $result = `chmod g-w,u+w /`;
243: if ($result eq '') {
244: $result = "successful\n";
245: } else {
246: die "Unable to change permissions on root directory. Halting.\n";
247: }
248: writelog ($result);
249: print_and_log("\n");
250:
251: ##
252: ## Set up www and authentication
253: ##
254: print_and_log("Creating user 'www'\n");
255: $result = `/usr/sbin/useradd www`;
256: if (! (($result eq '') || ($result =~ /user www exists/))) {
257: die "Unable to add user www. Halting.\n";
258: }
259: writelog ($result);
260: my $num = `grep ^www /etc/passwd | cut -d':' -f3`;
261: chomp $num;
262: if (int($num) == $num) {
263: writelog ("uid of www = $num\n");
264: } else {
265: die "Unable to determine UID of user www\n Halting.\n";
266: }
267: print_and_log("\n");
268:
269: ##
270: ## Patch mod_auth_external
271: ##
272: print_and_log("Setting up authentication for 'www'\n");
273: my $patch = <<"ENDPATCH";
274: 148c148
275: < #define SERVER_UIDS 99 /* user "nobody" */
276: ---
277: > #define SERVER_UIDS $num /* user "www" */
278: ENDPATCH
279:
280: if (! -e "/usr/bin/patch") {
281: print_and_log("You must install the software development tools package ".
282: "when installing RedHat.\n");
283: die;
284: }
285: &die_if_nonempty(`cd /tmp; tar zxf $instdir/mod_auth_external-2.1.13.tar.gz`,
286: "Unable to extract mod_auth_external\n");
287: my $dir = "/tmp/mod_auth_external-2.1.13/pwauth";
288: open PATCH, "| patch $dir/config.h" ||
289: die "Unable to start patch for mod_auth_external. Halting\n";
290: print PATCH $patch;
291: close PATCH;
292: print_and_log("\n");
293:
294: ##
295: ## Compile patched pwauth
296: ##
297: print_and_log("Compiling pwauth\n");
298: $result = `cd $dir/; make`;
299: my $expected = <<"END";
300: gcc -g -c -o pwauth.o pwauth.c
301: gcc -o pwauth -g pwauth.o -lcrypt
302: END
303:
304: if ($result ne $expected) {
305: die "Unable to compile patched pwauth. Halting.\n";
306: }
307: print_and_log( $result );
308:
309: ##
310: ## Install patched pwauth
311: ##
312: print_and_log("Copying pwauth to /usr/local/sbin\n");
313: if (! copy "$dir/pwauth","/usr/local/sbin/pwauth") {
314: die "Unable to copy $dir/pwauth to /usr/local/sbin/pwauth.\n$!\nHalting\n";
315: }
316: if (! chmod (06755, "/usr/local/sbin/pwauth")) {
317: die "Unable to set permissions on /usr/local/sbin/pwauth.\n";
318: }
319: print_and_log("\n");
320:
321: ##
322: ## Set up mysql
323: ##
324: print_and_log("Setting mysqld to start on boot up.\n");
325:
326: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc0.d/K90mysqld");
327: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc1.d/K90mysqld");
328: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc2.d/S90mysqld");
329: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc3.d/S90mysqld");
330: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc4.d/S90mysqld");
331: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc5.d/S90mysqld");
332: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc6.d/K90mysqld");
333:
334: writelog("mysql links created successfully\n");
335: writelog(`/etc/rc.d/init.d/mysqld start`);
336: print_and_log("Waiting for mysql daemon to start.\n");
337: sleep 5;
338: my $status = system("/etc/rc.d/init.d/mysqld status");
339: if ($status != 0) {
340: die "Unable to start mysql daemon\nHalting\n";
341: } else {
342: print_and_log("Mysql daemon is running.\n");
343: }
344: print_and_log("\n");
345:
346: ##
347: ## Get root password for mysql client
348: ##
349: print <<END;
350: Please enter a root password for the mysql database.
351: It does not have to match your root account password, but you will need
352: to remember it.
353: END
354: my $rootpass = <>;
355: chomp $rootpass;
356: print_and_log("\n");
357:
358: ##
359: ## Run the damn thing (mysql, not LON-CAPA)
360: ##
361: print_and_log("Starting mysql client.\n");
362: open MYSQL, "|mysql -u root mysql" || die "Unable to start mysql\n";
363: print MYSQL <<"ENDMYSQL";
364: CREATE DATABASE loncapa;
365: INSERT INTO user (Host, User, Password)
366: VALUES ('localhost','www',password('localhostkey'));
367: GRANT ALL PRIVILEGES ON loncapa.* TO 'www\@localhost';
368: SET PASSWORD FOR root\@localhost=PASSWORD('$rootpass');
369: DELETE FROM user WHERE host<>'localhost';
370: FLUSH PRIVILEGES;
371: USE loncapa;
372: 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, 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)) TYPE=MYISAM;
373: EXIT
374: ENDMYSQL
375:
376: close MYSQL;
377: print_and_log("\n");
378:
379: ##
380: ## Kill the firewall, if it exists
381: ##
382: #
383: # A better method would be to modify the firewall rules to make
384: # the lond port open. Someday.
385: #
386: if (-e "/etc/init.d/iptables" || -e "/etc/init.d/ipchans") {
387: print_and_log("Stopping and removing your firewall\n");
388: my @tokill = ("/etc/rc.d/rc2.d/S08ipchains",
389: "/etc/rc.d/rc2.d/S08iptables",
390: "/etc/rc.d/rc3.d/S08ipchains",
391: "/etc/rc.d/rc3.d/S08iptables",
392: "/etc/rc.d/rc4.d/S08ipchains",
393: "/etc/rc.d/rc4.d/S08iptables",
394: "/etc/rc.d/rc5.d/S08ipchains",
395: "/etc/rc.d/rc5.d/S08iptables" );
396: foreach (@tokill) {
397: unlink $_ if (-e $_ );
398: }
399: writelog(`/etc/init.d/ipchains stop`);
400: writelog(`/etc/init.d/ipchains stop`);
401: print_and_log("\n");
402: }
403:
404: ##
405: ## Set up httpd
406: ##
407: print_and_log("Setting httpd to start on boot up.\n");
408:
409: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc0.d/K15httpd");
410: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc1.d/K15httpd");
411: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc2.d/K15httpd");
412: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc3.d/S85httpd");
413: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc4.d/K15httpd");
414: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc5.d/K15httpd");
415: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc6.d/K15httpd");
416:
417: ##
418: ## Copy our (probably lousy) httpd.conf to its rightful place
419: ##
420: print_and_log("Copying our httpd.conf to /etc/httpd/conf/httpd.conf\n");
421: copy "$instdir/httpd.conf","/etc/httpd/conf/httpd.conf";
422: chmod 0444,"/etc/httpd/conf/httpd.conf";
423: print_and_log("\n");
424:
425: ##
426: ## Retrieve loncapa.tar.gz
427: ##
428: if (! -e "$instdir/loncapa-current.tar.gz") {
429: print_and_log("Retrieving LON-CAPA source files from install.loncapa.org\n");
430: system("wget http://install.loncapa.org/versions/loncapa-current.tar.gz 2>/dev/null 1>/dev/null");
431: if (! -e "./loncapa-current.tar.gz") {
432: die("Unable to retrieve LON-CAPA source files from\n".
433: "http://install.loncapa.org/versions/loncapa-current.tar.gz\n");
434: }
435: print_and_log("\n");
436: } else {
437: print_and_log(<<"END");
438: ------------------------------------------------------------------------
439:
440: You seem to have a version of loncapa-current.tar.gz in $instdir.
441: This copy will be used and a new version will NOT be downloaded.
442: If you wish, you may download a new version by executing:
443:
444: wget http://install.loncapa.org/versions/loncapa-current.tar.gz
445:
446: ------------------------------------------------------------------------
447: END
448: }
449:
450: ##
451: ## untar loncapa.tar.gz
452: ##
453: print_and_log("Extracting LON-CAPA source files\n");
454: writelog(`cd ~root; tar zxf $instdir/loncapa-current.tar.gz`);
455: print_and_log("\n");
456:
457: my $version = `cat /etc/redhat-release`;
458: if ($version =~ /7\.2/) {
459: print_and_log(<<"END");
460: This appears to be a Red Hat 7.2 system. You need to execute the following
461: commands now:
462: rpm -Uvh perl-5.6.1-34.99.6.i386.rpm
463: rpm -Uvh perl-CGI-2.752-34.99.6.i386.rpm
464:
465: cd /root/loncapa-N.N (N.N should correspond to a version number like '0.4')
466: ./UPDATE
467:
468: END
469: } else {
470: ##
471: ## Assure them that everything worked okay....
472: ##
473: print <<"ENDMSG";
474: All of the extra files seem to have been installed correctly. It remains for
475: you to execute the following commands:
476:
477: cd /root/loncapa-N.N (N.N should correspond to a version number like '0.4')
478: ./UPDATE
479:
480: If you have any trouble, please see http://install.loncapa.org/ and
481: http://help.loncapa.org/.
482: ENDMSG
483: }
484:
485: close LOG;
486:
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