#!/bin/bash
eval 'if [ -x /usr/local/cpanel/3rdparty/bin/perl ]; then exec /usr/local/cpanel/3rdparty/bin/perl -x -- $0 ${1+"$@"}; else exec /usr/bin/perl -x $0 ${1+"$@"}; fi;'
  if 0;

#!/usr/bin/perl
# cpanel - scripts/unpkgacct                         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

# NOTE: This script is designed to run on other systems during a transfer, usually as /usr/bin/perl.

package scripts::unpkgacct;

BEGIN {
    unshift @INC, '/usr/local/cpanel';
    my %seen_inc;
    @INC = grep { !/(?:^\.|\.\.|\/\.+)/ && !$seen_inc{$_}++ } @INC;
    undef %seen_inc;
}

require 5.006;

use Errno;

our $VERSION = '1.0';

run(@ARGV) if !caller;

sub run {
    my (@argv) = @_;

    local $| = 1;

    if ( grep { m{version} } @argv ) {
        print "unpkgacct VERSION $VERSION\n";
        return;
    }

    my ( $user, $mntpoint ) = @argv;

    if ( !_is_sane_username($user) && !enXim($user) ) {
        die "$0: invalid account “$user”\n";
    }

    #die() is for sanity
    $mntpoint ||= getmntpoint() || die 'Failed to find mountpoint!';

    my @paths_to_check = (
        "$mntpoint/cpmove-${user}",
        "$mntpoint/cpmove-${user}-split",
        "$mntpoint/cpmove-${user}.tar.gz",
        "$mntpoint/cpmove-${user}.tar",
    );

    my @paths_to_remove;
    for my $path (@paths_to_check) {
        next if -l $path;

        my $err = $!;

        if ( -e _ ) {

            #Exists and is not a symlink -> delete
            print "Found archive: $path\n";
            push @paths_to_remove, $path;
        }
        elsif ( $err != Errno::ENOENT ) {

            #lstat() shouldn’t fail except for ENOENT.
            warn "lstat($path): $err";
        }
    }

    if ( !( -d '/usr/local/cpanel' ) && $! ) {
        if ( $!{'ENOENT'} ) {
            push @paths_to_remove, '/etc/trueuserdomains';
        }
        else {
            warn "stat(/usr/local/cpanel): $!";
        }
    }

    if (@paths_to_remove) {
        exec( '/bin/rm', '--recursive', '--force', '--', @paths_to_remove ) or die "exec(rm): $!";
    }

    print "The mountpoint “$mntpoint” does not contain any archives for “$user”.\n";

    return;
}

## case 34397 deprecation: use Cpanel::Filesys::Home::get_homematch_with_most_free_space
sub getmntpoint {

    my ($homedir);
    my ($homematch);

    open( CONF, "/etc/wwwacct.conf" );
    while (<CONF>) {
        $_ =~ s/\n//g;
        if ( $_ !~ /^;/ ) {
            if ( $_ =~ /HOMEDIR/ ) {
                ( undef, $homedir ) = split( / /, $_ );
            }
            if ( $_ =~ /HOMEMATCH/ ) {
                ( undef, $homematch ) = split( / /, $_ );
            }
        }
    }
    close(CONF);
    $homedir =~ s/\/$//g;

    ## case 34397: mark for deprecation
    my $disk = `df`;

    my $max     = 0;
    my $mnt     = "/";
    my (@DISK)  = split( /\n/, $disk );
    my $addline = '';
    foreach my $line (@DISK) {
        if ( $line !~ /[\s|\t]+/ ) {
            $addline = $line;
            $addline =~ s/\n//g;
            next;
        }
        if ( $line =~ /^\/dev/ || $addline ne "" ) {
            $line =~ s/\n//g;

            $line =~ /\s(\d*)\s*\d*\%\s*(\S+)$/;
            my $free  = $1;
            my $mount = $2;

            my $assess = 1;
            if ( ( $mount eq "/" ) && ( $homedir eq 0 ) ) {
                $assess = 0;
            }
            $free = int($free);
            $max  = int($max);

            if ( ( $max < $free ) && ( $assess eq 1 ) && ( $mount =~ /$homematch/ || $mount eq "/" ) ) {
                $max = $free;
                if ( $mount eq "/" ) {
                    $mount = $homedir;
                }
                $mnt = $mount;
            }
        }
    }

    if ( $mnt eq "" || $mnt eq "/" ) { $mnt = '/home'; }

    return ($mnt);
}

sub enXim {
    my ($enxim_user) = @_;

    return $enxim_user if $enxim_user =~ /site\d+/;

    my $found = 0;
    opendir( VH, "/home/virtual" );
    my @FILES = grep( /^site/, readdir(VH) );
    closedir(VH);
    foreach my $xsite (@FILES) {
        my $ul;
        my $sitedir = '/home/virtual/' . $xsite . "/fst";
        open( DNS, "$sitedir/etc/passwd" );
        chomp( $ul = <DNS> );
        my $muser = ( split /:/, $ul )[0];
        close(DNS);

        if ( $muser eq $enxim_user ) { $found = 1; last }
    }
    return $found;
}

sub _is_sane_username {
    my ($name) = @_;

    return 0 if $name =~ tr</><>;
    return 0 if $name eq '.' || $name eq '..';

    return 1;
}

1;