source: server/common/oursrc/accountadm/signup-scripts-backend.in @ 489

Last change on this file since 489 was 489, checked in by andersk, 15 years ago
Remarkably, Perl does have a few syntactical restrictions.
File size: 3.6 KB
Line 
1#!/usr/bin/perl
2use strict;
3
4# signup-scripts-backend
5# Copyright (C) 2006  Jeff Arnold <jbarnold@mit.edu>
6#
7# This program is free software; you can redistribute it and/or
8# modify it under the terms of the GNU General Public License
9# as published by the Free Software Foundation; either version 2
10# of the License, or (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
20#
21# See /COPYRIGHT in this repository for more information.
22
23$ENV{PATH} = '';
24
25my $username = $ARGV[0];
26
27# Complain unless submitted username contains only valid characters
28complain("bad username") unless($username =~ /^[\w._-]+$/);
29
30open BANNEDUSERS, "</afs/athena.mit.edu/contrib/scripts/admin/users.banned" or
31    complain("internal error");
32while (<BANNEDUSERS>) {
33    chomp;
34    complain("banned username") if ($_ eq $username);
35}
36close(BANNEDUSERS);
37
38my $homedir;
39my $filsys = `@hesinfo_path@ $username filsys | @sort_path@ -nk5 | @head_path@ -n1`;
40# AFS /afs/athena.mit.edu/user/j/b/jbarnold w /mit/jbarnold
41if($filsys =~ /^AFS\s(\/afs\/[\w\._\/-]+)\s.*\s\/mit\/$username(?: [0-9]+)?$/) {
42        $homedir = $1;
43}
44else {
45        complain("athena user not found");
46}
47
48# Tell AFS that we don't want to trigger fakestat, and confirm user's homedir
49chdir $homedir or complain("athena homedir not found");
50
51# Obtain user's homedir uid
52my ($spam, $spam, $spam, $spam, $uid1, $gid1, $spam, $spam, $spam, $spam, $spam, $egg, $spam) = stat '.' or complain("athena homedir not found");
53
54# Complain if user's uid is too low or too high
55complain("bad uid") unless($uid1 > 110 and $uid1 < (1 << 31));
56
57# Complain if user's .scripts-signup file does not exist
58#complain("scripts-signup file not found") unless(-e '.scripts-signup');
59
60# Complain if the user's username is already taken
61complain("username already taken") if(getpwnam $username);
62
63# Complain if user's uid is already taken
64complain("uid already taken") if(getpwuid $uid1);
65
66if($homedir !~ /\/afs\/athena\.mit\.edu\/user\//) {
67        $gid1 = $uid1;
68}
69
70# Complain if user's gid is already taken
71complain("gid already taken") if(getgrgid $gid1);
72
73my $pid;
74defined ($pid = open LDAP, '|-') or complain("internal error");
75if (!$pid) {
76        close STDOUT;
77        open STDOUT, '>/dev/null';
78        exec '@ldapadd_path@', '-c', '-x', '-D', 'cn=Directory Manager', '-y', '/etc/signup-ldap-pw';
79        exit 1;
80}
81print LDAP <<EOF;
82dn: uid=$username,ou=People,dc=scripts,dc=mit,dc=edu
83objectClass: posixAccount
84cn: $username
85uid: $username
86uidNumber: $uid1
87gidNumber: $gid1
88homeDirectory: $homedir
89loginShell: /usr/local/bin/mbash
90
91dn: cn=$username,ou=Groups,dc=scripts,dc=mit,dc=edu
92objectClass: posixGroup
93cn: $username
94gidNumber: $gid1
95
96dn: apacheServerName=$username.scripts.mit.edu,ou=VirtualHosts,dc=scripts,dc=mit,dc=edu
97objectclass: apacheConfig
98apacheServerName: $username.scripts.mit.edu
99apacheServerAlias: $username.scripts
100apacheDocumentRoot: $homedir
101apacheSuexecUid: $uid1
102apacheSuexecGid: $gid1
103
104EOF
105close LDAP or complain("internal error");
106# Add disk quota for user
107#system('@sudo_path@', '-u', 'root', '/usr/sbin/setquota', $username, '0', '25000', '0', '10000', '-a');
108
109printexit("done", 0);
110
111sub complain {
112  my ($complaint) = @_;
113  printexit($complaint, 1);
114}
115
116sub printexit {
117  my ($msg, $status) = @_;
118  print $msg;
119  exit($status);
120}
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