new contrib/ldap with 3 useful scripts (thanks to Nokia MeeGo folks)
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Sitaram Chamarty
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18
contrib/ldap/README.mkd
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18
contrib/ldap/README.mkd
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These programs were contributed by the Nokia MeeGo folks.
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The first 2 are perl and shell verisions of programs meant to be used as
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`$GL_GET_MEMBERSHIPS_PGM` (see [this][ldap] for more).
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* ldap-query-example.pl
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* ldap-query-example.sh
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The third program is meant to be installed as an adc (admin-defined command,
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see [here][adc]), and helps users change their LDAP passwords.
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* passwd
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Enjoy!
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[ldap]: http://github.com/sitaramc/gitolite/blob/pu/doc/big-config.mkd#_storing_usergroup_information_outside_gitolite_like_in_LDAP_
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[adc]: http://github.com/sitaramc/gitolite/blob/pu/doc/admin-defined-commands.mkd
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80
contrib/ldap/ldap-query-example.pl
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contrib/ldap/ldap-query-example.pl
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#!/usr/bin/perl
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#
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# Copyright (c) 2010 Nokia Corporation
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#
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# This code is licensed to you under MIT-style license. License text for that
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# MIT-style license is as follows:
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# ldap-query.pl <arg1>
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#
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# this script is used to perform ldap querys by giving one argument:
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# - <arg1> the user UID for ldap search query
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#
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# NOTICE: This script requires libnet-ldap-perl package to be installed
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# to the system.
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#
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use Net::LDAP;
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# Script requires user UID as the only parameter
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if ( $ARGV[0] eq '' || $ARGV[1] ne '' )
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{
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print "ldap-query.pl requires one argument, user's uid\n";
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exit 1;
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}
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$user = $ARGV[0];
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# Create communication structure for LDAP connection
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$ldap = Net::LDAP->new(
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'localhost',
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port => 389,
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debug => 0,
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timeout => 120,
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version => 3 ) or die "$@";
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# Bind to LDAP with proper user
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$ldapret = $ldap->bind( 'cn=administrator,o=company',
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password => '5ecretpa55w0rd' );
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die "$ldapret->code" if $ldapret->code;
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# Create filter for LDAP query
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my $filter = '(&'.
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'(objectClass=groupAttributeObjectClassName)'.
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"(uid=$user)".
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')';
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# Execute the actual LDAP search to get groups for the given UID
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$ldapret = $ldap->search( base => 'ou=users,ou=department,o=company',
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scope => 'subtree',
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filter => $filter );
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# Parse search result to get actual group names
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my $default_group = '';
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my $extra_groups = '';
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foreach my $entry ( $ldapret->entries ) {
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$default_group = $entry->get_value( 'defaultGroupAttributeName' ) . ' ' . "$default_group";
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$extra_groups = $entry->get_value( 'extraGroupsAttributeName' ) . ' ' . "$extra_groups";
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}
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# Return group names for given user UID
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print "$default_group" . "$extra_groups";
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68
contrib/ldap/ldap-query-example.sh
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68
contrib/ldap/ldap-query-example.sh
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#!/bin/sh
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#
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# Copyright (c) 2010 Nokia Corporation
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#
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# This code is licensed to you under MIT-style license. License text for that
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# MIT-style license is as follows:
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# ldap-query.sh <arg1>
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#
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# this script is used to perform ldap querys by giving one argument:
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# - <arg1> the user UID for ldap search query
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#
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# NOTICE: This script requires ldap-utils and sed to be installed to the system.
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#
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# Script requires user UID as the only parameter
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#
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if [ $# -ne 1 ]
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then
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echo "ldap-query.sh requires one argument, user's uid"
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exit 1
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fi
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uid_param="${1}"
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# Set needed LDAP search tool options for the query
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ldap_host="localhost"
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ldap_binddn="cn=administrator,o=company"
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ldap_bindpw="5ecretpa55w0rd"
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ldap_searchbase="ou=users,ou=department,o=company"
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ldap_scope="subtree"
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# Construct the command line base with needed options for the LDAP query
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ldap_options="-h ${ldap_host} -x -D ${ldap_binddn} -w ${ldap_bindpw} -b ${ldap_searchbase} -s ${ldap_scope}"
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# Construct the search filter for the LDAP query for the given UID
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ldap_filter="(&(objectClass=groupAttributeObjectClassName)(uid=${uid_param}))"
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# Construct return attribute list for LDAP query result
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attr1="defaultGroupAttributeName"
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attr2="extraGroupsAttributeName"
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ldap_attr="${attr1} ${attr2}"
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# Execute the actual LDAP search to get groups for the given UID
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ldap_result=$(ldapsearch ${ldap_options} -LLL ${ldap_filter} ${ldap_attr})
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# Edit search result to get space separated list of group names
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ldap_result=$(echo ${ldap_result} | sed -e "s/.* ${attr1}://" -e "s/ ${attr2}://")
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# Return group names for given user UID
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echo ${ldap_result}
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112
contrib/ldap/passwd
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112
contrib/ldap/passwd
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@ -0,0 +1,112 @@
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#!/usr/bin/perl
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use Net::LDAP;
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use Term::ReadPassword;
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use Digest::SHA1;
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use MIME::Base64;
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use Data::UUID;
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use Crypt::Cracklib;
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my $PASSWD_MIN_LEN = 8;
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my $password;
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# parse RC file
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# $ENV{GL_RC} = "/home/gitolite/.gitolite.rc";
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die "parse $ENV{GL_RC} failed: " . ($! or $@) unless do $ENV{GL_RC};
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# These come from .gitolite.rc file
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our ($GL_LDAP_HOST, $GL_LDAP_BIND_DN, $GL_LDAP_BIND_PASSWORD, $GL_LDAP_USER_DN);
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$Term::ReadPassword::ALLOW_STDIN = 1;
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# NOTICE: For some reason Perl fails to disable terminal echo
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# so following warning about ECHO must be given to the user
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# Warn about password echo because of bugs in Perl ReadPasword
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print "\nNOTE THAT THE PASSWORD WILL BE ECHOED TO THE SCREEN!\n" .
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"Please make sure no one is shoulder-surfing, and make sure\n" .
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"you clear your screen and scrollback history after you are done\n" .
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"(or close your terminal session).\n\n";
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print "Please type in your new password at the prompt.\n\n" .
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"Following special keys are available while typing:\n" .
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" <BackSpace> key to remove the last character\n" .
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" <Ctrl-U> to remove all characters\n" .
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" <Ctrl-C> to terminate password change operation\n" .
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" <Enter> to end password typing\n";
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while ( 1 ) {
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print "\n"; # Start reading with new line
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$password = read_password("Enter new password: ", 0, 1);
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# Check the validity of new password
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if ( length( $password ) >= $PASSWD_MIN_LEN # require minimum length
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&& $password =~ /([\x20-\x7E])/ # require printable characters
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&& $password =~ /[a-z]/ # require lower case letter
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&& $password =~ /[A-Z]/ # require upper case letter
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&& $password =~ /[0-9]/ # require number
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&& check( $password ) ) # require other than dictionary words
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{
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# Re-enter new password to check possible typos
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if ( $password ne read_password("Enter password again: ") ) {
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print "Passwords do not match!\n";
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redo;
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} else {
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last; # Password is valid and there are no typos, so break out
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}
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} else { # Given password is not valid
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print "Password must contain at least $PASSWD_MIN_LEN characters and numbers,\n" .
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"must have both upper and lower case characters,\n" .
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"can have special characters like !,",#,...\n" .
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"but cannot be any valid dictionary word.\n";
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redo;
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}
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}
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# Create hash from the password to be stored to the LDAP
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my $ctx = Digest::SHA1->new();
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my $ug = new Data::UUID;
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my $salt = $ug->create_b64();
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$ctx->add( $password );
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$ctx->add( $salt );
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$password = '{SSHA}' . encode_base64( $ctx->digest . $salt, '' );
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# Create communication structure for LDAP connection
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my $ldap = Net::LDAP->new( $GL_LDAP_HOST ) or die "$@";
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my $r = $ldap->start_tls( verify => 'none',
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sslversion => 'tlsv1' );
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if ( $r->code ) {
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print "Password handling failed with $r->code return code!\n";
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log_it( "Password change, LDAP connection failed for $ENV{GL_USER}" );
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exit 1;
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}
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# Bind to LDAP with proper user
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$r = $ldap->bind( $GL_LDAP_BIND_DN,
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password => $GL_LDAP_BIND_PASSWORD );
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if ( $r->code ) {
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print "Password update failed with $r->code return code!\n";
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log_it( "Password change, LDAP bind failed for $ENV{GL_USER}" );
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exit 1;
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}
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# Update new password to the LDAP
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$r = $ldap->modify( "uid=$ENV{GL_USER},
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$GL_LDAP_USER_DN",
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replace => { 'userPassword', $password } );
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if ( $r->code ) {
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print "Password change failed!\n" .
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"Please contact administrator to change password.\n";
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# log_it( "Password change, LDAP modify failed for $ENV{GL_USER}" );
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} else {
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print "Password changed succesfully.\n";
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# log_it( "Password change, LDAP modify done for $ENV{GL_USER}" );
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}
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$r = $ldap->unbind();
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@ -50,3 +50,8 @@ users as well.
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[gentoo1]: http://archives.gentoo.org/gentoo-dev/msg_2812c9b9e768f64b46360ab17b9d0024.xml
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[gentoo2]: http://www.gentoo.org/proj/en/overlays/
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**Nokia MeeGo** uses Gitolite internally, and has also contributed LDAP
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specific code (see [contrib/ldap][ldap] directory for details).
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[ldap]: http://github.com/sitaramc/gitolite/blob/pu/contrib/ldap
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