1: #!/usr/bin/perl
2: #
3: # The LearningOnline Network with CAPA
4: #
5: # $Id: distprobe,v 1.21 2018/10/17 14:33:49 raeburn 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: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29:
30: my $dist='default';
31: my $unknown;
32: if (-e '/etc/redhat-release') {
33: open(IN,'</etc/redhat-release');
34: my $versionstring=<IN>;
35: chomp($versionstring);
36: close(IN);
37: if ($versionstring =~ /^Red Hat Linux release ([\d\.]+) /) {
38: $version = $1;
39: if ($version=~/^7\./) {
40: $dist='redhat7';
41: } elsif ($version=~/^8\./) {
42: $dist='redhat8';
43: } elsif ($version=~/^9/) {
44: $dist='redhat9';
45: }
46: } elsif ($versionstring =~ /Fedora( Core)? release ([\d\.]+) /) {
47: my $version=$2;
48: if ($version - int($version) > .9) {
49: $dist = 'fedora'.(int($version)+1);
50: } else {
51: $dist = 'fedora'.int($version);
52: }
53: } elsif ($versionstring =~ /Red Hat Enterprise Linux [AE]S release ([\d\.]+) /) {
54: $dist = 'rhes'.$1;
55: } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
56: $dist = 'rhes'.$1;
57: } elsif ($versionstring =~ /CentOS(?:| Linux) release (\d+)/) {
58: $dist = 'centos'.$1;
59: } elsif ($versionstring =~ /Scientific Linux (?:SL )?release ([\d.]+) /) {
60: my $ver = $1;
61: $ver =~ s/\.\d+$//;
62: $dist = 'scientific'.$ver;
63: } else {
64: warn('Unable to interpret /etc/redhat-release '.
65: 'to determine system type');
66: $unknown = 1;
67: }
68: } elsif (-e '/etc/SuSE-release') {
69: open(IN,'</etc/SuSE-release');
70: my $versionstring=<IN>;
71: chomp($versionstring);
72: close(IN);
73: if ($versionstring =~ /^SUSE LINUX Enterprise Server ([\d\.]+) /i) {
74: $dist='sles'.$1;
75: } elsif ($versionstring =~ /^SuSE Linux ([\d\.]+) /i) {
76: $dist = 'suse'.$1;
77: } elsif ($versionstring =~ /^openSUSE ([\d\.]+) /i) {
78: $dist = 'suse'.$1;
79: } else {
80: warn('Unable to interpret /etc/SuSE-release '.
81: 'to determine system type');
82: $unknown = 1;
83: }
84: } elsif (-e '/etc/issue') {
85: open(IN,'</etc/issue');
86: my $versionstring=<IN>;
87: chomp($versionstring);
88: close(IN);
89: if ($versionstring =~ /^Ubuntu (\d+)\.\d+/i) {
90: $dist = 'ubuntu'.$1;
91: } elsif ($versionstring =~ /^Debian\s+GNU\/Linux\s+(\d+)\.\d+/i) {
92: $dist = 'debian'.$1;
93: } elsif (-e '/etc/debian_version') {
94: open(IN,'</etc/debian_version');
95: my $version=<IN>;
96: chomp($version);
97: close(IN);
98: if ($version =~ /^(\d+)\.\d+\.?\d*/) {
99: $dist='debian'.$1;
100: } else {
101: warn('Unable to interpret /etc/debian_version '.
102: 'to determine system type');
103: $unknown = 1;
104: }
105: }
106: } elsif (-e '/etc/debian_version') {
107: open(IN,'</etc/debian_version');
108: my $version=<IN>;
109: chomp($version);
110: close(IN);
111: if ($version =~ /^(\d+)\.\d+\.?\d*/) {
112: $dist='debian'.$1;
113: } else {
114: warn('Unable to interpret /etc/debian_version '.
115: 'to determine system type');
116: $unknown = 1;
117: }
118: }
119: if (($dist eq 'default') && (!$unknown)) {
120: if (-e '/etc/os-release') {
121: if (open(IN,'<','/etc/os-release')) {
122: my ($id,$version);
123: while(<IN>) {
124: chomp();
125: if (/^ID="(\w+)"/) {
126: $id=$1;
127: } elsif (/^VERSION_ID="([\d\.]+)"/) {
128: $version=$1;
129: }
130: }
131: close(IN);
132: if ($id eq 'sles') {
133: my ($major,$minor) = split(/\./,$version);
134: if ($major =~ /^\d+$/) {
135: $dist = $id.$major;
136: }
137: }
138: }
139: if ($dist eq 'default') {
140: warn('Unable to interpret /etc/os-release '.
141: 'to determine system type.');
142: $unknown = 1;
143: }
144: } else {
145: warn('Unknown installation: expecting a debian, ubuntu, suse, sles, redhat, fedora or scientific linux system.')."\n";
146: }
147: }
148: print $dist;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>