source: server/common/oursrc/accountadm/signup-scripts-backend.in @ 134

Last change on this file since 134 was 134, checked in by jbarnold, 16 years ago
renamed modbash to mbash at Joe's request forcing signup uid and gid to be 102 as required by selinux system
File size: 2.9 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._-]+$/);
29
30complain("banned username") if(`@grep_path@ '$username' /afs/athena.mit.edu/contrib/scripts/admin/users.banned` != "");
31
32my $homedir;
33my $filsys = `@hesinfo_path@ $username filsys`;
34# AFS /afs/athena.mit.edu/user/j/b/jbarnold w /mit/jbarnold
35if($filsys =~ /^AFS\s(\/afs\/[\w\._\/-]+)\s.*\s\/mit\/$username$/) {
36        $homedir = $1;
37}
38else {
39        complain("athena user not found");
40}
41
42# Run ls to confirm user's homedir and obtain user's homedir uid
43my $ls_regexp = '^\S*\s+\S*\s+(\S*)\s+(\S*)\s+\S*\s+\S*\s+\S*\s+\S*\s+(\S*).*$';
44my ($uid1, $gid1, $name1) = (`@ls_path@ -dln '$homedir'` =~ $ls_regexp);
45
46# Complain if user's homedir does not exist
47complain("athena homedir not found") unless($name1 eq $homedir);
48
49# Complain if user's uid is too low or too high
50complain("bad uid") unless($uid1 > 110 and $uid1 < (1 << 31));
51
52# Run ls to confirm user's .scripts-signup file
53my ($uid2, $gid2, $name2) = (`@ls_path@ -dln '$homedir/.scripts-signup'` =~ $ls_regexp);
54
55# Complain if user's .scripts-signup file does not exist
56#complain("scripts-signup file not found") unless($name2 eq "$homedir/.scripts-signup");
57
58# Complain if the user's username is already taken
59complain("username already taken") if(getpwnam $username);
60
61# Complain if user's uid is already taken
62complain("uid already taken") if(getpwuid $uid1);
63
64if($homedir !~ /\/afs\/athena\.mit\.edu\/user\//) {
65        $gid1 = $uid1;
66}
67
68# Complain if user's gid is already taken
69complain("gid already taken") if(getgrgid $gid1);
70
71# Add user to /etc/passwd
72`@sudo_path@ -u root @groupadd_path@ -g '$gid1' '$username'`;
73`@sudo_path@ -u root @useradd_path@ -d '$homedir' -s '/usr/local/bin/mbash' -u '$uid1' -g '$gid1' -G users '$username'`;
74# Add disk quota for user
75`@sudo_path@ -u root @setquota_path@ '$username' 0 25000 0 10000 -a`;
76
77printexit("done", 0);
78
79sub complain {
80  my ($complaint) = @_;
81  printexit($complaint, 1);
82}
83
84sub printexit {
85  my ($msg, $status) = @_;
86  print $msg;
87  exit($status);
88}
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