/usr/sbin/makeuserdb is in courier-authlib-userdb 0.66.4-3build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | #! /usr/bin/perl
#
# Create userdb database
#
# Usage: makeuserdb
#
#
# Copyright 1998 - 2006 Double Precision, Inc. See COPYING for
# distribution information.
use Fcntl ':flock';
$prefix="/usr";
$exec_prefix="${prefix}";
$bindir="${exec_prefix}/bin";
$ENV{'PATH'}="${exec_prefix}/bin:/usr/bin:/usr/local/bin:/bin";
$dbfile="/etc/courier/userdb";
$makedat="/usr/lib/courier/courier-authlib/makedatprog";
$name=shift @ARGV;
if ($name eq "-f") {
$dbfile=shift @ARGV;
$dbfile=~s/\/$//;
}
$datfile=$dbfile.".dat";
# XXX the lock file here is etc/userdb.lock but the userdb command uses etc/.lock.userdb
$lockfile=$dbfile.".lock";
$shadowfile=$dbfile."shadow.dat";
$tmpdatfile=$dbfile.".tmp";
$tmpshadowfile=$dbfile."shadow.tmp";
$mode=(stat($dbfile))[2];
die "$dbfile: not found.\n" unless defined $mode;
die "$dbfile: MAY NOT HAVE GROUP OR WORLD PERMISSIONS!!\n"
if ( $mode & 077);
eval {
die "SYMLINK\n" if -l $dbfile;
};
die "ERROR: Wrong makeuserdb command.\n ($dbfile is a symbolic link)\n"
if $@ eq "SYMLINK\n";
eval {
die "SYMLINK\n" if -l $datfile;
};
die "ERROR: Wrong makeuserdb command.\n ($datfile is a symbolic link)\n"
if $@ eq "SYMLINK\n";
eval {
die "SYMLINK\n" if -l $shadowfile;
};
die "ERROR: Wrong makeuserdb command.\n ($shadowfile is a symbolic link)\n"
if $@ eq "SYMLINK\n";
umask (022);
open(LOCK, ">$lockfile") or die "Can't open $lockfile: $!";
flock(LOCK,LOCK_EX) || die "Can't lock $lockfile: $!";
open (DBPIPE, "| ${makedat} - $tmpdatfile $datfile") || die "$!\n";
umask (066);
open (SHADOWPIPE, "| ${makedat} - $tmpshadowfile $shadowfile")
|| die "$!\n";
eval {
if ( -d $dbfile )
{
my (@dirs);
my (@files);
push @dirs, $dbfile;
while ( $#dirs >= 0 )
{
$dir=shift @dirs;
opendir(DIR, $dir) || die "$!\n";
while ( defined($filename=readdir(DIR)))
{
next if $filename =~ /^\./;
if ( -d "$dir/$filename" )
{
push @dirs, "$dir/$filename";
}
else
{
push @files, "$dir/$filename";
}
}
closedir(DIR);
}
while (defined ($filename=shift @files))
{
&do_file( $filename );
}
}
else
{
&do_file( $dbfile );
}
print DBPIPE ".\n" || die "$!\n";
print SHADOWPIPE ".\n" || die "$!\n";
} ;
$err=$@;
if ($err)
{
print "$err";
exit (1);
}
close(DBPIPE) || die "$!\n";
exit (1) if $?;
close(SHADOWPIPE) || die "$!\n";
exit (1) if $?;
exit (0);
sub do_file {
my ($filename)=@_;
my ($addr, $fields);
my (@nonshadow, @shadow);
my $location=substr($filename, length("/etc/courier/userdb"));
$location =~ s/^\///;
$location =~ s/\/$//;
$location .= "/" if $location ne "";
open (F, $filename) || die "$filename: $!\n";
while (<F>)
{
if ( /^[\n#]/ || ! /^([^\t]*)\t(.*)/ )
{
print DBPIPE;
print SHADOWPIPE;
next;
}
($addr,$fields)=($1,$2);
undef @nonshadow;
undef @shadow;
foreach ( split (/\|/, $fields ) )
{
if ( /^[^=]*pw=/ )
{
push @shadow, $_;
}
else
{
push @nonshadow, $_;
}
}
push @nonshadow, "_=$location";
( print DBPIPE "$addr\t" . join("|", @nonshadow) . "\n"
|| die "$!\n" ) if $#nonshadow >= 0;
( print SHADOWPIPE "$addr\t" . join("|", @shadow) . "\n"
|| die "$!\n" ) if $#shadow >= 0;
}
print DBPIPE "\n";
print SHADOWPIPE "\n";
}
|