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#!/usr/bin/perl -w
#
# smbadduser - Written by Mike Zakharoff
# perl-rewrite by Raymund Will
#
$smbpasswd = "/etc/samba.d/smbpasswd";
$user_map = "/etc/samba.d/smbusers";
#
# Set to site specific passwd command
#
$passwd = "cat /etc/passwd |";
#$passwd = "niscat passwd.org_dir |";
if ( -e "/var/run/ypbind.pid" ) {
$passwd = "(cat /etc/passwd; ypcat passwd ) |";
}
$line = "-" x 58;
if ($#ARGV < 0) {
print <<EoM;
$line
Written: Mike Zakharoff email: michael.j.zakharoff\@boeing.com
1) Updates $smbpasswd
2) Updates $user_map
3) Executes smbpasswd for each new user
smbadduser unixid[:ntid] unixid[:ntid] ...
Example: smbadduser zak:zakharoffm jdoe johns:smithj
$line
EoM
exit 1;
}
# get valid UNIX-Ids (later skip missing)
%U = ();
{
my $X = "X" x 32;
my @t = ();
open( IN, $passwd) || die( "ERROR: open($passwd): $!\n");
while ( <IN> ) {
next unless (/^[A-Za-z0-9_]+:/);
@t = split(/:/);
$U{$t[0]} = join( ":", ($t[0], $t[2], $X, $X, $t[4], $t[5], $t[6]));
}
close( IN);
}
# get all smb passwords (later skip already existent)
%S = ();
$Cs = "";
if ( -r $smbpasswd ) {
open( IN, $smbpasswd) || die( "ERROR: open($smbpasswd): $!\n");
while ( <IN> ) {
if ( /^\#/ ) {
$Cs .= $_; next;
} elsif ( ! /^([A-Za-z0-9_]+):/ ) {
chop; print STDERR "ERROR: $_: invalid smbpasswd entry!\n"; next;
}
$S{$1} = $_;
}
close( IN);
}
# get all map entries
%M = ();
$Cm = "";
if ( -r $user_map ) {
open( IN, $user_map) || die( "ERROR: open($user_map): $!\n");
while ( <IN> ) {
if ( /^\#/ ) {
$Cm .= $_; next;
} elsif ( ! /^([A-Za-z0-9_]+)\s*=\s*(\S.+\S)\s*/ ) {
chop; print STDERR "ERROR: $_: invalid user-map entry!\n"; next;
}
$M{$1} = $2;
}
close( IN);
}
# check parameter syntax
%N = ();
{
foreach ( @ARGV ) {
my ( $u, $s, @R) = split(/:/);
if ( $#R >= 0 ) {
print STDERR "ERROR: $_: Must use unixid[:ntid] SKIPPING...\n";
next;
}
$s = $u unless ( defined( $s) );
if ( ! exists( $U{$u}) ) {
print STDERR "ERROR: $u: Not in passwd database SKIPPING...\n";
next;
}
if ( exists( $S{$u}) ) {
print STDERR "ERROR: $u: Already in smbpasswd database SKIPPING...\n";
next;
}
print "Adding: $u to $smbpasswd\n";
$S{$u} = $U{$u};
if ( $u ne $s ) {
if ( exists( $M{$u}) ) {
if ( $M{$u} !~ /\b$s\b/ ) {
print "Adding: $s to $u in $user_map\n";
$M{$u} .= " $s";
}
} else {
print "Mapping: $s to $u in $user_map\n";
$M{$u} = $s;
}
}
$N{$u} = $s;
}
}
# rewrite $smbpasswd
{
open( OUT, "> $smbpasswd.new") || die( "ERROR: open($smbpasswd.new): $!\n");
$Cs = "#\n# SMB password file.\n#\n" unless ( $Cs );
print OUT $Cs;
foreach ( sort( keys( %S)) ) {
print OUT $S{$_};
}
close( OUT);
rename( $smbpasswd, $smbpasswd . "-");
rename( $smbpasswd . ".new", $smbpasswd) || die;
}
# rewrite $user_map
{
open( OUT, "> $user_map.new") || die( "ERROR: open($user_map.new): $!\n");
$Cm = "# Unix_name = SMB_name1 SMB_name2 ...\n" unless ( $Cm );
print OUT $Cm;
foreach ( sort( keys( %M)) ) {
print OUT "$_ = $M{$_}\n";
}
close( OUT);
rename( $user_map, $user_map . "-");
rename( $user_map . ".new", $user_map) || die;
}
# call 'smbpasswd' for each new
{
foreach ( sort( keys( %N)) ) {
print $line . "\n";
print "ENTER password for $_\n";
system( "smbpasswd $_");
}
}
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