version 1.2, 2002/03/04 05:06:00
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version 1.22, 2012/08/17 22:43:03
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Line 33 make_domain_coordinator.pl - Make a doma
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Line 33 make_domain_coordinator.pl - Make a doma
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# YEAR=2002 |
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# 3/1,3/3,3/4 Scott Harrison |
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# |
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### |
### |
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=pod |
=pod |
Line 52 These are the steps that are executed on
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Line 49 These are the steps that are executed on
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=item * |
=item * |
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Tests to see if user already exists for linux system or for |
Tests to see if user already exists for linux system or for |
LON-CAPA, if so aborts |
LON-CAPA, if so aborts. A message is output that recommends following |
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a manual procedure enabling this user if so desired. |
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=item * |
=item * |
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Line 83 Set roles.hist and roles.db
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Line 81 Set roles.hist and roles.db
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# This is a standalone script. It *could* alternatively use the |
# This is a standalone script. It *could* alternatively use the |
# lcuseradd script, however lcuseradd relies on certain system |
# lcuseradd script, however lcuseradd relies on certain system |
# dependencies. make_domain_coordinator.pl should be able |
# dependencies. In order to have a focused performance, I am trying |
# to run freely as possible irrespective of the status of a LON-CAPA |
# to avoid system dependencies until the LON-CAPA code base becomes |
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# more robust and well-boundaried. make_domain_coordinator.pl should be able |
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# to run freely as possible, irrespective of the status of a LON-CAPA |
# installation. |
# installation. |
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# ---------------------------------------------------- Configure general values |
# ---------------------------------------------------- Configure general values |
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my %perlvar; |
use lib '/home/httpd/lib/perl/'; |
$perlvar{'lonUsersDir'}='/home/httpd/lonUsers'; |
use LONCAPA; |
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use LONCAPA::lonmetadata; |
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use Term::ReadKey; |
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use Apache::lonnet; |
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use Apache::lonlocal; |
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use DBI; |
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use Storable qw(nfreeze); |
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use strict; |
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=pod |
=pod |
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Line 101 There are no flags to this script.
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Line 107 There are no flags to this script.
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usage: make_domain_coordinator.pl [USERNAME] [DOMAIN] |
usage: make_domain_coordinator.pl [USERNAME] [DOMAIN] |
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The password is accepted through standard input. |
The password is accepted through standard input |
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and should only consist of printable ASCII |
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characters and be a string of length greater than 5 characters. |
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The first argument |
The first argument |
specifies the user name of the domain coordinator and |
specifies the user name of the domain coordinator and |
should consist of only alphanumeric characters. |
should consist of only alphanumeric characters. |
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It is recommended that the USERNAME should be institution-specific |
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as opposed to something like "Sammy" or "Jo". |
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For example, "dcmsu" or "dcumich" would be good domain coordinator |
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USERNAMEs for places like Mich State Univ, etc. |
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The second argument specifies the password for the domain |
The second argument specifies the domain of the computer |
coordinator and should only consist of printable ASCII |
coordinator. |
characters and be a string of length greater than 5 characters. |
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=cut |
=cut |
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my $lang = &Apache::lonlocal::choose_language(); |
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&Apache::lonlocal::get_language_handle(undef,$lang); |
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print"\n"; |
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# ----------------------------------------------- So, are we invoked correctly? |
# ----------------------------------------------- So, are we invoked correctly? |
# Two arguments or abort |
# Two arguments or abort |
if (@ARGV!=2) { |
if (@ARGV!=2) { |
die 'usage: make_domain_coordinator.pl [USERNAME] [DOMAIN] '."\n". |
print(&mt('usage: [_1]','make_domain_coordinator.pl [USERNAME] [DOMAIN]')."\n\n". |
'(and password through standard input)'."\n"; |
&mt('It is recommended that the USERNAME should be institution-specific.'). |
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"\n".&mt('It should not be something like "Sammy" or "Jo".')."\n". |
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&mt('For example, [_1] or [_2] would be good domain coordinator USERNAMEs for places like Michigan State University, etc.','"domcoordmsu"','"dcmichstate"')."\n"); |
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exit; |
} |
} |
my ($username,$domain)=(@ARGV); shift @ARGV; shift @ARGV; |
my ($username,$domain)=(@ARGV); |
unless ($username=~/^\w+$/ and $username!~/\_/) { |
if ($username=~/$LONCAPA::not_username_re/) { |
die 'Username '.$username.' must consist only of alphanumeric characters'. |
print(&mt('**** ERROR **** Username [_1] must consist only of - . and alphanumeric characters.',$username)."\n"); |
"\n"; |
exit; |
} |
} |
unless ($domain=~/^\w+$/ and $domain!~/\_/) { |
if ($domain=~/$LONCAPA::not_domain_re/) { |
die 'Domain '.$domain.' must consist only of alphanumeric characters'. |
print(&mt('**** ERROR **** Domain [_1] must consist only of - . and alphanumeric characters.',$domain)."\n"); |
"\n"; |
exit; |
} |
} |
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my $passwd=<>; # read in password from standard input |
# Does user already exist |
chomp($passwd); |
my ($is_user,$has_lc_account); |
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if (length($passwd)<6 or length($passwd)>30) { |
my $udpath=&propath($domain,$username); |
die 'Password is an unreasonable length.'."\n"; |
if (-d $udpath) { |
} |
$has_lc_account = 1; |
my $pbad=0; |
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foreach (split(//,$passwd)) {if ((ord($_)<32)||(ord($_)>126)){$pbad=1;}} |
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if ($pbad) { |
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die 'Password must consist of standard ASCII characters'."\n"; |
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} |
} |
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# And does user already exist |
if ($has_lc_account) { |
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print(&mt('**** ERROR **** [_1] is already defined as a LON-CAPA user.', |
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$username)."\n\n". |
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&mt('To assign a domain coordinator role to an existing user, use: [_1]', |
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"\n".'perl add_domain_coordinator_privilege.pl')."\n\n"); |
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exit; |
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} |
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if (-d "/home/$username") { |
if (-d "/home/$username") { |
die ($username.' is already a linux operating system user.'."\n"); |
$is_user = 1; |
} |
} |
my $udpath=propath($domain,$username); |
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if (-d $udpath) { |
if ($is_user) { |
die ($username.' is already defined as a LON-CAPA user.'."\n"); |
print(&mt('**** ERROR **** [_1] is already a linux operating system user.', |
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$username)."\n\n". |
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&mt('This script will only automatically generate new users.')."\n". |
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&mt('To assign a domain coordinator role to an existing user:')."\n\n". |
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&mt('If you want to make "[_1]" a domain coordinator, you should do so manually by customizing the MANUAL PROCEDURE described in the documentation.',$username)."\n\n". |
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&mt('To view the documentation for this script, type: [_1].', |
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"\n".'perldoc ./make_domain_coordinator.pl')."\n\n"); |
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exit; |
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} |
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# Output a warning message. |
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print(&mt('**** NOTE **** Generating a domain coordinator is "serious business".')."\n". |
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&mt('You must choose a password that is difficult to guess.')."\n"); |
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print(&mt('Continue? ~[Y/n~] ')); |
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my $go_on = <STDIN>; |
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chomp($go_on); |
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$go_on =~ s/(^\s+|\s+$)//g; |
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my $yes = &mt('y'); |
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unless (($go_on eq '') || ($go_on =~ /^\Q$yes\E/i)) { |
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exit; |
} |
} |
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print "\n"; |
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my ($got_passwd,$firstpass,$secondpass,$passwd); |
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my $maxtries = 10; |
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my $trial = 0; |
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while ((!$got_passwd) && ($trial < $maxtries)) { |
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$firstpass = &get_password(&mt('Enter password')); |
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if (length($firstpass) < 6) { |
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print(&mt('Password too short.')."\n". |
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&mt('Please choose a password with at least six characters.')."\n". |
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&mt('Please try again.')."\n"); |
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} elsif (length($firstpass) > 30) { |
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print(&mt('Password too long.')."\n". |
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&mt('Please choose a password with no more than thirty characters.')."\n". |
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&mt('Please try again.')."\n"); |
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} else { |
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my $pbad=0; |
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foreach (split(//,$firstpass)) {if ((ord($_)<32)||(ord($_)>126)){$pbad=1;}} |
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if ($pbad) { |
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print(&mt('Password contains invalid characters.')."\n". |
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&mt('Password must consist of standard ASCII characters')."\n". |
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&mt('Please try again.')."\n"); |
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} else { |
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$secondpass = &get_password(&mt('Enter password a second time')); |
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if ($firstpass eq $secondpass) { |
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$got_passwd = 1; |
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$passwd = $firstpass; |
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} else { |
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print(&mt('Passwords did not match.')."\n". |
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&mt('Please try again.')."\n"); |
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} |
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} |
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$trial ++; |
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} |
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} |
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if (!$got_passwd) { |
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exit; |
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} |
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print "\n"; |
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=pod |
=pod |
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=head1 MANUAL PROCEDURE |
=head1 MANUAL PROCEDURE |
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There are 10 steps to a manual procedure. |
There are 10 steps to manually recreating what this script performs |
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automatically. |
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You need to decide on three pieces of information |
You need to decide on three pieces of information |
to create a domain coordinator. |
to create a domain coordinator. |
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* USERNAME (kermit, albert, joe, etc) |
* USERNAME (kermit, albert, joe, etc) |
* DOMAIN (should be the same as lonDefDomain in /etc/httpd/conf/access.conf) |
* DOMAIN (should be the same as lonDefDomain in /etc/httpd/conf/loncapa.conf) |
* PASSWORD (don't tell me) |
* PASSWORD (don't tell me) |
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The examples in these instructions will be based |
The examples in these instructions will be based |
Line 185 login as root on your Linux system
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Line 265 login as root on your Linux system
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# ------------------------------------------------------------ So, are we root? |
# ------------------------------------------------------------ So, are we root? |
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if ($< != 0) { |
if ($< != 0) { # Am I root? |
die 'You must be root in order to generate a domain coordinator.'."\n"; |
print(&mt('You must be root in order to generate a domain coordinator.'). |
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"\n"); |
} |
} |
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=pod |
=pod |
Line 198 if ($< != 0) {
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Line 279 if ($< != 0) {
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=cut |
=cut |
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# ----------------------------------------------------------- /usr/sbin/groupadd |
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# -- Add group |
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$username=~s/\W//g; # an extra filter, just to be sure |
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print(&mt('adding group: [_1]',$username)."\n"); |
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my $status = system('/usr/sbin/groupadd', $username); |
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if ($status) { |
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print(&mt('Error.').' '. |
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&mt('Something went wrong with the addition of group "[_1]".', |
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$username)."\n"); |
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exit; |
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} |
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my $gid = getgrnam($username); |
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# ----------------------------------------------------------- /usr/sbin/useradd |
# ----------------------------------------------------------- /usr/sbin/useradd |
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# -- Add user |
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$username=~s/\W//g; # an extra filter, just to be sure |
print(&mt('adding user: [_1]',$username)."\n"); |
`/usr/sbin/useradd $username`; |
my $status = system('/usr/sbin/useradd','-c','LON-CAPA user','-g',$gid,$username); |
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if ($status) { |
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system("/usr/sbin/groupdel $username"); |
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print(&mt('Error.').' '. |
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&mt('Something went wrong with the addition of user "[_1]".', |
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$username)."\n"); |
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exit; |
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} |
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print(&mt('Done adding user.')."\n"); |
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# Make www a member of that user group. |
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my $groups=`/usr/bin/groups www`; |
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# untaint |
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my ($safegroups)=($groups=~/:\s*([\s\w]+)/); |
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$groups=$safegroups; |
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chomp $groups; $groups=~s/^\S+\s+\:\s+//; |
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my @grouplist=split(/\s+/,$groups); |
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my @ugrouplist=grep {!/www|$username/} @grouplist; |
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my $gl=join(',',(@ugrouplist,$username)); |
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print(&mt("Putting www in user's group.")."\n"); |
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if (system('/usr/sbin/usermod','-G',$gl,'www')) { |
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print(&mt('Error.').' '.&mt('Could not make www a member of the group "[_1]".', |
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$username)."\n"); |
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exit; |
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} |
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# Check if home directory exists for user |
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# If not, create one. |
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if (!-e "/home/$username") { |
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if (!mkdir("/home/$username",0710)) { |
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print(&mt('Error.').' '.&mt('Could not add home directory for "[_1]".', |
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$username)."\n"); |
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exit; |
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} |
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} |
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if (-d "/home/$username") { |
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system('/bin/chown',"$username:$username","/home/$username"); |
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system('/bin/chmod','-R','0660',"/home/$username"); |
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system('/bin/chmod','0710',"/home/$username"); |
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} |
=pod |
=pod |
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=item 3 (as root). enter in a password |
=item 3 (as root). enter in a password |
Line 216 $username=~s/\W//g; # an extra filter, j
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Line 351 $username=~s/\W//g; # an extra filter, j
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=cut |
=cut |
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$username=~s/\W//g; # an extra filter, just to be sure |
# Process password (taint-check, then pass to the UNIX passwd command). |
$pbad=0; |
$username =~ s/\W//g; # an extra filter, just to be sure |
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my $pbad = 0; |
foreach (split(//,$passwd)) {if ((ord($_)<32)||(ord($_)>126)){$pbad=1;}} |
foreach (split(//,$passwd)) {if ((ord($_)<32)||(ord($_)>126)){$pbad=1;}} |
if ($pbad) { |
if ($pbad) { |
die 'Password must consist of standard ASCII characters'."\n"; |
print(&mt('Password must consist of standard ASCII characters.'). |
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"\n"); |
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} |
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my $distro; |
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if (open(PIPE,"perl distprobe|")) { |
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$distro = <PIPE>; |
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close(PIPE); |
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} |
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if ($distro =~ /^ubuntu|debian/) { |
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open(OUT,"|usermod -p `mkpasswd $passwd` $username"); |
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close(OUT); |
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} else { |
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open(OUT,"|passwd --stdin $username"); |
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print(OUT $passwd."\n"); |
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close(OUT); |
} |
} |
open OUT,"|passwd --stdin $username"; |
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print OUT $passwd."\n"; |
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close OUT; |
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=pod |
=pod |
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Line 245 close OUT;
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Line 393 close OUT;
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Let S equal second letter of USERNAME |
Let S equal second letter of USERNAME |
Let E equal third letter of USERNAME |
Let E equal third letter of USERNAME |
Command: [prompt %] install -d DOMAIN/U/S/E/USERNAME |
Command: [prompt %] install -d DOMAIN/U/S/E/USERNAME |
Example: [prompt %] install -d 103/d/c/1/dc103 |
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Here are three examples of the commands that would be needed |
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for different domain coordinator names (dc103, morphy, or ng): |
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Example #1 (dc103): [prompt %] install -d 103/d/c/1/dc103 |
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Example #2 (morphy): [prompt %] install -d 103/m/o/r/morphy |
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Example #3 (ng): [prompt %] install -d 103/n/g/_/ng |
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=cut |
=cut |
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`install -o www -g www -d $udpath`; |
# Generate the user directory. |
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`install -o www -g www -d $udpath`; # Must be writeable by httpd process. |
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=pod |
=pod |
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Line 264 close OUT;
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Line 419 close OUT;
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=cut |
=cut |
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open OUT, ">$udpath/passwd"; |
# UNIX (/etc/passwd) style authentication is asserted for domain coordinators. |
print OUT 'unix:'."\n"; |
open(OUT, ">$udpath/passwd"); |
close OUT; |
print(OUT 'unix:'."\n"); |
`chown www:www $udpath/passwd`; |
close(OUT); |
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# Get permissions correct on udpath |
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print(&mt('Setting permissions on user data directories.').' '. |
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&mt('This may take a moment, please be patient ...')."\n"); |
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`chown -R www:www /home/httpd/lonUsers/$domain` ; # Must be writeable by httpd process. |
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=pod |
=pod |
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Line 278 close OUT;
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Line 439 close OUT;
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=cut |
=cut |
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use GDBM_File; |
use GDBM_File; # A simplistic key-value pairing database. |
my %hash; |
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tie(%hash,'GDBM_File',"$udpath/roles.db", |
my $rolesref=&LONCAPA::locking_hash_tie("$udpath/roles.db",&GDBM_WRCREAT()); |
&GDBM_WRCREAT,0640); |
if (!$rolesref) { |
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print(&mt('Error').' '. |
$hash{'/'.$domain.'/_dc'}='dc'; |
&mt('unable to tie roles db: [_1]'."$udpath/roles.db")."\n"); |
open OUT, ">$udpath/roles.hist"; |
exit; |
map { |
} |
print OUT $_.' : '.$hash{$_}."\n"; |
my $now = time; |
} keys %hash; |
$rolesref->{'/'.$domain.'/_dc'}='dc_0_'.$now; # Set the domain coordinator role. |
close OUT; |
open(OUT, ">$udpath/roles.hist"); # roles.hist is the synchronous plain text. |
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foreach my $key (keys(%{$rolesref})) { |
untie %hash; |
print(OUT $key.' : '.$rolesref->{$key}."\n"); |
`chown www:www $udpath/roles.hist`; |
} |
`chown www:www $udpath/roles.db`; |
close(OUT); |
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&LONCAPA::locking_hash_untie($rolesref); |
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`chown www:www $udpath/roles.hist`; # Must be writeable by httpd process. |
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`chown www:www $udpath/roles.db`; # Must be writeable by httpd process. |
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my %perlvar = %{&LONCAPA::Configuration::read_conf('loncapa.conf')}; |
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my $dompath = $perlvar{'lonUsersDir'}.'/'.$domain; |
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my $domrolesref = &LONCAPA::locking_hash_tie("$dompath/nohist_domainroles.db",&GDBM_WRCREAT()); |
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if (!$domrolesref) { |
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print(&mt('Error').' '.&mt('unable to tie nohist_domainroles db: [_1].', |
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"$dompath/nohist_domainroles.db")."\n"); |
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} |
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# Store in nohist_domainroles.db |
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my $domkey=&LONCAPA::escape('dc:'.$username.':'.$domain.'::'.$domain.':'); |
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$domrolesref->{$domkey}= &LONCAPA::escape('0:'.$now); |
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&LONCAPA::locking_hash_untie($domrolesref); |
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system('/bin/chown',"www:www","$dompath/nohist_domainroles.db"); # Must be writeable by httpd process. |
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system('/bin/chown',"www:www","$dompath/nohist_domainroles.db.lock"); |
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# Log with domainconfiguser in nohist_rolelog.db |
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my $domconfiguser = $domain.'-domainconfig'; |
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my $subdir = $domconfiguser; |
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$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
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my $rolelogref = &LONCAPA::locking_hash_tie("$dompath/$subdir/$domconfiguser/nohist_rolelog.db",&GDBM_WRCREAT()); |
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my $domlogkey = &LONCAPA::escape($now.'00000'.$$.'000000'); |
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my $storehash = { |
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role => 'dc', |
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start => $now, |
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end => 0, |
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context => 'server', |
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}; |
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my $domlogvalue = { |
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'exe_uname' => '', |
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'exe_udom' => $domain, |
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'exe_time' => $now, |
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'exe_ip' => '127.0.0.1', |
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'delflag' => '', |
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'logentry' => $storehash, |
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'uname' => $username, |
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'udom' => $domain, |
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}; |
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$rolelogref->{$domlogkey}=&freeze_escape($domlogvalue); |
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&LONCAPA::locking_hash_untie($rolelogref); |
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system('/bin/chown',"www:www","$dompath/$subdir/nohist_rolelog.db"); # Must be writeable by httpd process. |
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system('/bin/chown',"www:www","$dompath/$subdir/nohist_rolelog.db.lock"); |
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#Update allusers MySQL table |
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print(&mt('Adding new user to allusers table.')."\n"); |
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&allusers_update($username,$domain,\%perlvar); |
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=pod |
=pod |
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Line 303 by going to http://MACHINENAME/adm/creat
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Line 520 by going to http://MACHINENAME/adm/creat
|
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=cut |
=cut |
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print "$username is now a domain coordinator\n"; |
# Output success message, and inform sysadmin about how to further proceed. |
my $hostname=`hostname`; chomp $hostname; |
print("\n".&mt('[_1] is now a domain coordinator',$username)."\n"); # Output success message. |
print "http://$hostname/adm/createuser will allow you to further define". |
my $hostname=`hostname`; chomp($hostname); # Read in hostname. |
" this user.\n"; |
print("\n". |
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&mt('Once LON-CAPA is running, you should log-in and use: [_1] to further define this user.', |
# ----------------------------------------------------------------- SUBROUTINES |
"\nhttp://$hostname/adm/createuser\n")."\n\n". |
sub propath { |
&mt('From the user management menu, click the link: "Add/Modify a User" to search for the user and to provide additional information (last name, first name etc.).')."\n"); |
my ($udom,$uname)=@_; |
# Output a suggested URL. |
$udom=~s/\W//g; |
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$uname=~s/\W//g; |
sub allusers_update { |
my $subdir=$uname.'__'; |
my ($username,$domain,$perlvar) = @_; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
my %tablenames = ( |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
'allusers' => 'allusers', |
return $proname; |
); |
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my $dbh; |
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unless ($dbh = DBI->connect("DBI:mysql:loncapa","www", |
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$perlvar->{'lonSqlAccess'}, |
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{ RaiseError =>0,PrintError=>0})) { |
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print(&mt('Cannot connect to database!')."\n"); |
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return; |
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} |
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my $tablechk = &allusers_table_exists($dbh); |
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if ($tablechk == 0) { |
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my $request = |
|
&LONCAPA::lonmetadata::create_metadata_storage('allusers','allusers'); |
|
$dbh->do($request); |
|
if ($dbh->err) { |
|
print(&mt('Failed to create [_1] table.','allusers')."\n"); |
|
return; |
|
} |
|
} |
|
my %userdata = ( |
|
username => $username, |
|
domain => $domain, |
|
); |
|
my %loghash = |
|
&LONCAPA::lonmetadata::process_allusers_data($dbh,undef, |
|
\%tablenames,$username,$domain,\%userdata,'update'); |
|
foreach my $key (keys(%loghash)) { |
|
print $loghash{$key}."\n"; |
|
} |
|
return; |
|
} |
|
|
|
sub allusers_table_exists { |
|
my ($dbh) = @_; |
|
my $sth=$dbh->prepare('SHOW TABLES'); |
|
$sth->execute(); |
|
my $aref = $sth->fetchall_arrayref; |
|
$sth->finish(); |
|
if ($sth->err()) { |
|
return undef; |
|
} |
|
my $result = 0; |
|
foreach my $table (@{$aref}) { |
|
if ($table->[0] eq 'allusers') { |
|
$result = 1; |
|
last; |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub get_password { |
|
my ($prompt) = @_; |
|
local $| = 1; |
|
print $prompt.': '; |
|
my $newpasswd = ''; |
|
ReadMode 'raw'; |
|
my $key; |
|
while(ord($key = ReadKey(0)) != 10) { |
|
if(ord($key) == 127 || ord($key) == 8) { |
|
chop($newpasswd); |
|
print "\b \b"; |
|
} elsif(!ord($key) < 32) { |
|
$newpasswd .= $key; |
|
print '*'; |
|
} |
|
} |
|
ReadMode 'normal'; |
|
print "\n"; |
|
return $newpasswd; |
|
} |
|
|
|
sub freeze_escape { |
|
my ($value)=@_; |
|
if (ref($value)) { |
|
$value=&nfreeze($value); |
|
return '__FROZEN__'.&LONCAPA::escape($value); |
|
} |
|
return &LONCAPA::escape($value); |
} |
} |
|
|
=pod |
=pod |
|
|
=head1 AUTHOR |
=head1 AUTHOR |
|
|
Scott Harrison, harris41@msu.edu |
Written to help the LON-CAPA project. |
|
|
=cut |
=cut |
|
|