removed old lamdaemon
This commit is contained in:
Roland Gruber
parent
861e022538
commit
aefb7e45b3
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@ -3,6 +3,7 @@ October 2009 2.8.0
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- compatibility with PHP 5.3
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- compatibility with PHP 5.3
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- one central button to change passwords on account pages
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- one central button to change passwords on account pages
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- removed support for Samba 2 accounts
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- removed support for Samba 2 accounts
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- removed lamdaemonOld script
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05.08.2009 2.7.0
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05.08.2009 2.7.0
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@ -1,14 +1,8 @@
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This document describes the installation of lamdaemon which is responsible
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This document describes the installation of lamdaemon which is responsible
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for managing quotas and creating home directories.
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for managing quotas and creating home directories.
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Attention! The old version of lamdaemon is no longer supported. However,
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if you do not install libssh2 then LAM will fall back to the old mechanismn.
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If you want to stay with the old lamdaemon then change your /etc/sudoers entries
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to point to lamdaemonOld.pl.
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Do NOT mix lamdaemon and lamdaemonOld.pl!
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Setting up lamdaemon:
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Setting up lamdaemon:
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=====================
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=====================
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@ -1,139 +0,0 @@
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ATTENTION! This version of lamdaemon is no longer supported, please use the new lamdaemon instead!
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Setting up lamdaemon:
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LamdaemonOld.pl is used to modify quota and home directories on a remote or local host via ssh.
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If you want wo use it you have to set up some things to get it to work:
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1. Setup values in LDAP Account Manager
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* Set the remote or local host in the configuration
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(e.g. 127.0.0.1)
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* Path to lamdaemonOld.pl, e.g. /srv/www/htdocs/lam/lib/lamdaemonOld.pl
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If you installed a Debian or RPM package then the script may be located at
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/usr/share/ldap-account-manager/lib or /var/www/html/lam/lib.
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2. Set up sudo
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The perl script has to run as root. Therefore we need
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a wrapper, sudo.
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Edit /etc/sudoers on host where homedirs or quotas should be used
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and add the following line:
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$admin All= NOPASSWD: $path
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$admin is the adminuser from LAM and $path is the path to lamdaemonOld.pl
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e.g. "$admin All= NOPASSWD: /srv/www/htdocs/lam/lib/lamdaemonOld.pl"
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At the moment the password is a paramteter of lamdaemonOld.pl
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therefore you should disable logging so the password does not
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appear in any logfile.
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This can be done by adding the following line to /etc/sudoers:
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Defaults:$admin !syslog
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3. Set up Perl
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We need some external Perl modules, Quota and Net::SSH::Perl
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To install them, run:
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perl -MCPAN -e shell
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install Quota # required
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install Net::SSH::Perl # required
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install Math::BigInt::GMP # optional but very poor performance if not installed
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If your Perl executable is not located in /usr/bin/perl you will have to edit
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the path in the first line of lamdaemonOld.pl.
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If you have problems compiling the Perl modules try installing a newer release
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of your GCC compiler and the "make" application.
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Debian users can install Net::SSH:Perl with dh-make-perl:
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apt-get install dh-make-perl
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dh-make-perl --build --cpan Net::SSH::Perl
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dpkg -i libnet-ssh-perl_1.25-1_all.deb
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4. Set up SSH
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Your SSH daemon must offer the password authentication method.
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To activate it just use this configuration option in /etc/ssh/sshd_config:
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PasswordAuthentication yes
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5. Test lamdaemonOld.pl
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There is a test-function in lamdaemonOld.pl. Please run lamdaemonOld.pl
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with the following parameters to test it:
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lamdaemonOld.pl $ssh-server $lam_path_on_host $admin-username $admin-password *test
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$ssh-server is the remote host lamdaemonOld.pl should be run on
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$lam_path_on_host is the path to lamdaemonOld.pl on remote host
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$admin-username is the name of the user which is allowed to run lamdaemonOld.pl
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as root. It is the same user as in /etc/sudoers
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$admin-password is the password of the admin user
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*test is the command which tells lamdaemonOld.pl to test settings
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You have to run the command as the user your webserver is running, e.g.
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wwwrun@tilo:/srv/www/htdocs/lam/lib> /srv/www/htdocs/lam/lib/lamdaemonOld.pl \
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127.0.0.1 /srv/www/htdocs/lam/lib/lamdaemonOld.pl adminuser secret *test
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You should get the following response:
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Net::SSH::Perl successfully installed.
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Perl quota module successfully installed.
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If you have not seen any error lamdaemonOld.pl should be set up successfully.
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!!! Attention !!!
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Your password in LDAP has to be hashed with CRYPT. If you use something like SSHA
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you will probably get "Access denied.".
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Now everything should work fine.
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6. Debugging lamdaemon
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If you set up all things as documented before and still get "Access denied"
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then you can try to debug the problem.
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- Check /var/log/auth.log or the equivalent on your system
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This file contains messages about all logins. If the ssh login
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failed then you will find a description about the reason here.
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- Enable debug output in lamdaemon
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In line 235 of lamdaemonOld.pl change the SSH options like this:
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my $ssh = Net::SSH::Perl->new($hostname, options=>[
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"UserKnownHostsFile /dev/null"],
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protocol => "2,1", debug => 1 );
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This will produce a lot of output when you do the lamdaemon test.
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Check that there is a line like this:
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Authentication methods that can continue: publickey,password,keyboard-interactive.
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The "password" is the one which is important.
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- Set sshd in debug mode
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In /etc/ssh/sshd_conf add these lines:
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SyslogFacility AUTH
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LogLevel DEBUG3
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Now check /var/log/syslog for messages from sshd.
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- Update Openssh
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A Suse Linux user reported that upgrading Openssh solved the problem.
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Security warning:
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-----------------
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If you use PHP < 4.3 your admin user and password are passed as commandline argument.
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This can be a security risk. Upgrade your PHP version for productive use.
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Please send a mail to TiloLutz@gmx.de if you have any suggestions.
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@ -3,7 +3,7 @@
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$Id$
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$Id$
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2004 - 2006 Roland Gruber
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Copyright (C) 2004 - 2009 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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@ -40,61 +40,6 @@ $Id$
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*
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*
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*/
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*/
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function lamdaemon($commands, $server) {
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function lamdaemon($commands, $server) {
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// use new PHP SSH mechanismn
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if (function_exists("ssh2_connect")) {
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return lamdaemonSSH($commands, $server);
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}
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// get username and password of the current lam-admin
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$ldap_q = $_SESSION['ldap']->decrypt_login();
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$userstring = implode ("\n", $commands);
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$output_array = array();
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$towrite = escapeshellarg($server)." ".escapeshellarg($_SESSION['config']->get_scriptPath())." - -";
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$descriptorspec = array(
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0 => array("pipe", "r"), // stdin
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1 => array("pipe", "w"), // stout
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2 => array("file", "/dev/null", "a") // sterr
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);
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$process = proc_open(escapeshellarg($_SESSION['lampath']."lib/lamdaemonOld.pl")." ".$towrite,
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$descriptorspec,
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$pipes);
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if (is_resource($process)) {
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/* perl-script is running
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* $pipes[0] is writeable handle to child stdin
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* $pipes[1] is readable handle to child stdout
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* any error is send to /dev/null
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*/
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// user+passwd
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fwrite($pipes[0], $ldap_q[0] . "\n");
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fwrite($pipes[0], $ldap_q[1] . "\n");
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// Write to stdin
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fwrite($pipes[0], $userstring);
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}
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fclose($pipes[0]);
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while (!feof($pipes[1])) {
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$output = fgets($pipes[1], 1024);
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if ($output!='') $output_array[] = $output;
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}
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fclose($pipes[1]);
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proc_close($process);
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if (sizeof($output_array) > 0) {
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return $output_array;
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}
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else {
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return false;
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}
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}
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/**
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* Sends commands to lamdaemon script via PHP SSH functions.
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*
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* @param array $commands List of command lines
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* @param string $server remote server
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* @return array Output of lamdaemon
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*
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*/
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function lamdaemonSSH($commands, $server) {
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$commands = implode("\n", $commands) . "\n";
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$commands = implode("\n", $commands) . "\n";
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// get username and password of the current lam-admin
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// get username and password of the current lam-admin
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$credentials = $_SESSION['ldap']->decrypt_login();
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$credentials = $_SESSION['ldap']->decrypt_login();
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@ -1,271 +0,0 @@
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#! /usr/bin/perl
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# $Id$
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#
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# This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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# Copyright (C) 2003 - 2006 Tilo Lutz
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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#
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# LDAP Account Manager daemon to create and delete homedirecotries and quotas
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# set a known path
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my $path = "";
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if (-d "/sbin") {
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if ($path eq "") { $path = "/sbin"; }
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else { $path = "$path:/sbin"; }
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}
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if (-d "/usr/sbin") {
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if ($path eq "") { $path = "/usr/sbin"; }
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else { $path = "$path:/usr/sbin"; }
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}
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if (-l "/bin") {
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if ($path eq "") { $path = "/usr/bin"; }
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else { $path = "$path:/usr/bin"; }
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}
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else {
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if ($path eq "") { $path = "/bin:/usr/bin"; }
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else { $path = "$path:/bin:/usr/bin"; }
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}
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if (-d "/opt/sbin") { $path = "$path:/opt/sbin"; }
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if (-d "/opt/bin") { $path = "$path:/opt/bin"; }
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$ENV{"PATH"} = $path;
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#use strict; # Use strict for security reasons
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@quota_grp;
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@quota_usr; # Filesystems with enabled userquotas
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# vals = DN, PAssword, user, home, (add|rem),
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# quota, (set|get),(u|g), (mountpoint,blocksoft,blockhard,filesoft,filehard)+
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# chown options
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$|=1; # Disable buffering
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sub get_fs { # Load mountpoints from mtab if enabled quotas
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Quota::setmntent();
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my $i=0;
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my @args;
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while (my @temp = Quota::getmntent()) {
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$args[$i][0] = $temp[0];
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$args[$i][1] = $temp[1];
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$args[$i][2] = $temp[2];
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$args[$i][3] = $temp[3];
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$i++;
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}
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Quota::endmntent();
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my $j=0; my $k=0; $i=0;
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while ($args[$i][0]) {
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if ( $args[$i][3] =~ m/usrquota/ ) {
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$quota_usr[$j][0] = $args[$i][0];
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$quota_usr[$j][1] = $args[$i][1];
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$quota_usr[$j][2] = $args[$i][2];
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$quota_usr[$j][3] = $args[$i][3];
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$j++;
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}
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if ( $args[$i][3] =~ m/grpquota/ ) {
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$quota_grp[$k][0] = $args[$i][0];
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$quota_grp[$k][1] = $args[$i][1];
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$quota_grp[$k][2] = $args[$i][2];
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$quota_grp[$k][3] = $args[$i][3];
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$k++;
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}
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$i++;
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}
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}
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# ***************** Check values
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if ($< == 0 ) { # we are root
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# Drop root Previleges
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($<, $>) = ($>, $<);
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if ($ARGV[0] eq "*test") {
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use Quota; # Needed to get and set quotas
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print "Perl quota module successfully installed.\n";
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print "If you haven't seen any errors lamdaemon.pl was set up successfully.\n";
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}
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else {
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# loop for every transmitted user
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my $string = do {local $/;<STDIN>};
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@input = split ("\n", $string );
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for ($i=0; $i<=$#input; $i++) {
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$return = "";
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@vals = split (' ', $input[$i]);
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switch: {
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# Get user information
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if (($vals[3] eq 'user') || ($vals[1] eq 'home')) { @user = getpwnam($vals[0]); }
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else { @user = getgrnam($vals[0]); }
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$vals[1] eq 'home' && do {
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switch2: {
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$vals[2] eq 'add' && do {
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# split homedir to set all directories below the last dir. to 0755
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my $path = $user[7];
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$path =~ s,/(?:[^/]*)$,,;
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($<, $>) = ($>, $<); # Get root privileges
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if (! -e $path) {
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system 'mkdir', '-m', '0755', '-p', $path; # Create paths to homedir
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}
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if (! -e $user[7]) {
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system 'mkdir', '-m', '0755', $user[7]; # Create homedir itself
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system ("(cd /etc/skel && tar cf - .) | (cd $user[7] && tar xmf -)"); # Copy /etc/sekl into homedir
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system 'chown', '-hR', "$user[2]:$user[3]" , $user[7]; # Change owner to new user
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if (-e '/usr/sbin/useradd.local') {
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||||||
system '/usr/sbin/useradd.local', $user[0]; # run useradd-script
|
|
||||||
}
|
|
||||||
system 'chmod', $vals[3], $user[7]; # Edit chmod rights
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
$return = "ERROR,Lamdaemon,Homedirectory already exists.:$return";
|
|
||||||
}
|
|
||||||
($<, $>) = ($>, $<); # Give up root previleges
|
|
||||||
last switch2;
|
|
||||||
};
|
|
||||||
$vals[2] eq 'rem' && do {
|
|
||||||
($<, $>) = ($>, $<); # Get root previliges
|
|
||||||
if (-d $user[7] && $user[7] ne '/') {
|
|
||||||
if ((stat($user[7]))[4] eq $user[2]) {
|
|
||||||
system 'rm', '-R', $user[7]; # Delete Homedirectory
|
|
||||||
if (-e '/usr/sbin/userdel.local') {
|
|
||||||
system '/usr/sbin/userdel.local', $user[0];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
$return = "ERROR,Lamdaemon,Homedirectory not owned by $user[2].:$return";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
$return = "ERROR,Lamdaemon,Homedirectory doesn't exists.:$return";
|
|
||||||
}
|
|
||||||
($<, $>) = ($>, $<); # Give up root previleges
|
|
||||||
last switch2;
|
|
||||||
};
|
|
||||||
}
|
|
||||||
# Show error if undfined command is used
|
|
||||||
$return = "ERROR,Lamdaemon,Unknown command $vals[2].:$return";
|
|
||||||
last switch;
|
|
||||||
};
|
|
||||||
$vals[1] eq 'quota' && do {
|
|
||||||
use Quota; # Needed to get and set quotas
|
|
||||||
get_fs(); # Load list of devices with enabled quotas
|
|
||||||
# Store quota information in array
|
|
||||||
@quota_temp1 = split (':', $vals[4]);
|
|
||||||
$group=0;
|
|
||||||
$i=0;
|
|
||||||
while ($quota_temp1[$i]) {
|
|
||||||
$j=0;
|
|
||||||
@temp = split (',', $quota_temp1[$i]);
|
|
||||||
while ($temp[$j]) {
|
|
||||||
$quota[$i][$j] = $temp[$j];
|
|
||||||
$j++;
|
|
||||||
}
|
|
||||||
$i++;
|
|
||||||
}
|
|
||||||
if ($vals[3] eq 'user') { $group=false; }
|
|
||||||
else {
|
|
||||||
$group=1;
|
|
||||||
@quota_usr = @quota_grp;
|
|
||||||
}
|
|
||||||
switch2: {
|
|
||||||
$vals[2] eq 'rem' && do {
|
|
||||||
$i=0;
|
|
||||||
($<, $>) = ($>, $<); # Get root privileges
|
|
||||||
while ($quota_usr[$i][0]) {
|
|
||||||
$dev = Quota::getqcarg($quota_usr[$i][1]);
|
|
||||||
$return = Quota::setqlim($dev,$user[2],0,0,0,0,1,$group);
|
|
||||||
$i++;
|
|
||||||
}
|
|
||||||
($<, $>) = ($>, $<); # Give up root previleges
|
|
||||||
last switch2;
|
|
||||||
};
|
|
||||||
$vals[2] eq 'set' && do {
|
|
||||||
$i=0;
|
|
||||||
($<, $>) = ($>, $<); # Get root privileges
|
|
||||||
while ($quota_usr[$i][0]) {
|
|
||||||
$dev = Quota::getqcarg($quota[$i][0]);
|
|
||||||
$return = Quota::setqlim($dev,$user[2],$quota[$i][1],$quota[$i][2],$quota[$i][3],$quota[$i][4],1,$group);
|
|
||||||
$i++;
|
|
||||||
}
|
|
||||||
($<, $>) = ($>, $<); # Give up root previleges
|
|
||||||
last switch2;
|
|
||||||
};
|
|
||||||
$vals[2] eq 'get' && do {
|
|
||||||
$i=0;
|
|
||||||
($<, $>) = ($>, $<); # Get root privileges
|
|
||||||
while ($quota_usr[$i][0]) {
|
|
||||||
if ($vals[0]ne'+') {
|
|
||||||
$dev = Quota::getqcarg($quota_usr[$i][1]);
|
|
||||||
@temp = Quota::query($dev,$user[2],$group);
|
|
||||||
if ($temp[0]ne'') {
|
|
||||||
$return = "$quota_usr[$i][1],$temp[0],$temp[1],$temp[2],$temp[3],$temp[4],$temp[5],$temp[6],$temp[7]:$return";
|
|
||||||
}
|
|
||||||
else { $return = "$quota_usr[$i][1],0,0,0,0,0,0,0,0:$return"; }
|
|
||||||
}
|
|
||||||
else { $return = "$quota_usr[$i][1],0,0,0,0,0,0,0,0:$return"; }
|
|
||||||
$i++;
|
|
||||||
}
|
|
||||||
($<, $>) = ($>, $<); # Give up root previleges
|
|
||||||
last switch2;
|
|
||||||
};
|
|
||||||
$return = "ERROR,Lamdaemon,Unknown command $vals[2].:$return";
|
|
||||||
}
|
|
||||||
};
|
|
||||||
last switch;
|
|
||||||
$return = "ERROR,Lamdaemon,Unknown command $vals[1].:$return";
|
|
||||||
};
|
|
||||||
print "$return\n";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
$hostname = shift @ARGV;
|
|
||||||
$remotepath = shift @ARGV;
|
|
||||||
use Net::SSH::Perl;
|
|
||||||
if ($ARGV[2] eq "*test") { print "Net::SSH::Perl successfully installed.\n"; }
|
|
||||||
if (($ARGV[0] eq "-") and ($ARGV[1] eq "-")) { # user+passwd are in STDIN
|
|
||||||
$username = <STDIN>;
|
|
||||||
chop($username);
|
|
||||||
@username = split (',', $username);
|
|
||||||
$username[0] =~ s/uid=//;
|
|
||||||
$username[0] =~ s/cn=//;
|
|
||||||
$username = $username[0];
|
|
||||||
$password = <STDIN>;
|
|
||||||
chop($password);
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
@username = split (',', $ARGV[0]);
|
|
||||||
$username[0] =~ s/uid=//;
|
|
||||||
$username[0] =~ s/cn=//;
|
|
||||||
$username = $username[0];
|
|
||||||
$password = $ARGV[1];
|
|
||||||
}
|
|
||||||
# Put all transfered lines in one string
|
|
||||||
if ($ARGV[2] ne "*test") {
|
|
||||||
$string = do {local $/;<STDIN>};
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
$argv = "*test\n";
|
|
||||||
$string = " \n";
|
|
||||||
}
|
|
||||||
my $ssh = Net::SSH::Perl->new($hostname, options=>[
|
|
||||||
"UserKnownHostsFile /dev/null"],
|
|
||||||
protocol => "2,1", debug => 0 );
|
|
||||||
$ssh->login($username, $password);
|
|
||||||
# Change needed to prevent buffer overrun
|
|
||||||
@string2 = split ("\n", $string);
|
|
||||||
for ($i=0; $i<=$#string2; $i++) {
|
|
||||||
($stdout2, $stderr, $exit) = $ssh->cmd("sudo $remotepath $argv", $string2[$i]);
|
|
||||||
$stdout .= $stdout2;
|
|
||||||
}
|
|
||||||
#($stdout, $stderr, $exit) = $ssh->cmd("sudo $remotepath $argv", $string);
|
|
||||||
print $stdout;
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue