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#!/usr/local/cpanel/3rdparty/bin/perl # cpanel - scripts/realadduser Copyright 2022 cPanel, L.L.C. # All rights reserved. # copyright@cpanel.net http://cpanel.net # This code is subject to the cPanel license. Unauthorized copying is prohibited BEGIN { $ENV{'LANG'} = 'C'; } use strict; use Fcntl (); use Cpanel::Finally (); use AcctLock (); use Cpanel::Logger (); use Cpanel::LoginDefs (); use Cpanel::PwCache (); use Cpanel::SysAccounts (); use Whostmgr::Accounts::IdTrack (); my $logger = Cpanel::Logger->new(); my $mailgid = ( Cpanel::PwCache::getpwnam('mail') )[3]; my $nochecks = 0; my $shell = 0; my $debug = 0; my $is_system_account = 0; if (@ARGV) { while ( my $arg = shift @ARGV ) { last if !$arg; if ( $arg =~ m/^-+(\S+)/ ) { my $flag = $1; if ( $flag eq 'nochecks' ) { $nochecks = 1; } elsif ( $flag =~ m/^(no)?shell$/ ) { if ($1) { $shell = 'noshell'; } else { $shell = shift @ARGV; } } elsif ( $flag =~ m/debug/i ) { $debug = 1; } elsif ( $flag eq 'r' || $flag eq 'system' ) { $is_system_account = 1; } } else { unshift @ARGV, $arg; last; } } } my $username = $ARGV[0]; my $homeroot = $ARGV[1]; my $pass = $ARGV[2]; my $myuid = $ARGV[3]; my $mygid = $ARGV[4]; if ( !$ARGV[0] ) { my $up; chomp( $up = <STDIN> ); my @UP = split( / /, $up ); $username = $UP[0]; $homeroot = $UP[1]; $pass = $UP[2]; } if ( !$username ) { Cpanel::Logger::logger( { 'message' => "Syntax: adduser <username> <homeroot> <password>", 'level' => 'die', 'service' => 'realadduser', 'output' => 2, 'backtrace' => 0, } ); } if ( !$homeroot ) { Cpanel::Logger::logger( { 'message' => "Syntax: adduser <username> <homeroot> <password>", 'level' => 'die', 'service' => 'realadduser', 'output' => 2, 'backtrace' => 0, } ); } if ( !-e '/etc/allowstupidstuff' ) { if ( $username =~ /^\d+/ ) { Cpanel::Logger::logger( { 'message' => "Invalid username $username. Usernames must not begin with a number.", 'level' => 'die', 'service' => 'realadduser', 'output' => 2, 'backtrace' => 0, } ); } } if ( !$shell ) { if ( -x '/bin/rstsh' ) { $shell = '/bin/rstsh'; } elsif ( -x '/bin/bash' ) { $shell = '/bin/bash'; } elsif ( -x '/usr/local/bin/bash' ) { $shell = '/usr/local/bin/bash'; } elsif ( -x '/bin/sh' ) { $shell = '/bin/sh'; } else { Cpanel::Logger::logger( { 'message' => "No valid shell found. Using /bin/false", 'level' => 'warn', 'service' => 'realadduser', 'output' => 2, 'backtrace' => 0, } ); $shell = '/bin/false'; } } elsif ( $shell eq 'noshell' ) { if ( -x '/usr/local/cpanel/bin/noshell' ) { $shell = '/usr/local/cpanel/bin/noshell'; } else { $shell = '/bin/false'; } } if ($debug) { Cpanel::Logger::logger( { 'message' => "User: $username Home: $homeroot Shell: $shell Checks: $nochecks", 'level' => 'debug', 'service' => 'realadduser', 'output' => 1, 'backtrace' => 0, } ); exit; } my $home = $homeroot; if ( !-e $home ) { mkdir( $home, 0755 ); } if ( $pass eq '' ) { Cpanel::Logger::logger( { 'message' => "No password specified for $username", 'level' => 'info', 'service' => 'realadduser', 'output' => 1, 'backtrace' => 0, } ); } my ( $minuid, $mingid, $maxuid, $maxgid ); if ($is_system_account) { $minuid = Cpanel::LoginDefs::get_sys_uid_min(); $mingid = Cpanel::LoginDefs::get_sys_gid_min(); $maxuid = Cpanel::LoginDefs::get_sys_uid_max(); $maxgid = Cpanel::LoginDefs::get_sys_gid_max(); } else { $minuid = Cpanel::LoginDefs::get_uid_min(); $mingid = Cpanel::LoginDefs::get_gid_min(); $maxuid = Cpanel::LoginDefs::get_uid_max(); $maxgid = Cpanel::LoginDefs::get_gid_max(); } my $username_nodash = $username; if ( !$nochecks ) { $username_nodash =~ s/-//g; } my @UIDS; my @GIDS; AcctLock::acctlock(); my $unlock = Cpanel::Finally->new( sub { AcctLock::acctunlock(); } ); my ( $idalloc_status, $idalloc_statusmsg, $idalloc_uid, $idalloc_gid ) = Whostmgr::Accounts::IdTrack::allocate( { 'minuid' => $minuid, 'mingid' => $mingid } ); if ( !$idalloc_status ) { die $idalloc_statusmsg; } Cpanel::SysAccounts::add_system_user( $username, 'pass' => $pass, 'uid' => $idalloc_uid, 'gid' => $idalloc_gid, 'homedir' => "$home/$username", 'shell' => $shell, ); Cpanel::Logger::logger( { 'message' => "User $username added", 'level' => 'info', 'service' => 'realadduser', 'output' => 1, 'backtrace' => 0, } );