# freebsd-lib.pl
# Functions for freebsd format last output
$netinfo_domain = $config{'netinfo_domain'} || ".";
# Mapping from OSX user properties to Webmin user hash keys
%user_properties_map = (
'RecordName' => 'user',
'UniqueID' => 'uid',
'PrimaryGroupID' => 'gid',
'RealName' => 'real',
'NFSHomeDirectory' => 'home',
'UserShell' => 'shell',
);
# And to group hash keys
%group_properties_map = (
'RecordName' => 'group',
'PrimaryGroupID' => 'gid',
'GroupMembership' => 'members',
);
# passfiles_type()
# Returns 6 for macos netinfo user storage, 7 for new directory service
sub passfiles_type
{
if (-x "/usr/bin/nidump") {
# Old netinfo format users DB
return 6;
}
elsif (-x "/usr/bin/dscl") {
# New directory service DB
return 7;
}
else {
return 0;
}
}
# groupfiles_type()
# Returns 5 for macos netinfo group storage, 7 for new directory service
sub groupfiles_type
{
if (-x "/usr/bin/nidump") {
# Old netinfo format groups DB
return 5;
}
elsif (-x "/usr/bin/dscl") {
# New directory service DB
return 7;
}
else {
return 0;
}
}
# open_last_command(handle, user)
sub open_last_command
{
local ($fh, $user) = @_;
open($fh, "last $user |");
}
# read_last_line(handle)
# Parses a line of output from last into an array of
# user, tty, host, login, logout, period
sub read_last_line
{
$fh = $_[0];
while(1) {
chop($line = <$fh>);
if (!$line) { return (); }
if ($line =~ /^(reboot|shutdown)/) { next; }
if ($line =~ /^(\S+)\s+(\S+)\s+(\S+)?\s+(\S+\s+\S+\s+\d+\s+\d+:\d+)\s+\-\s+(\S+)\s+\((\d+:\d+)\)/) {
return ($1, $2, $3, $4, $5 eq "shutdown" ? "Shutdown" :
$5 eq "crash" ? "Crash" : $5, $6);
}
elsif ($line =~ /^(\S+)\s+(\S+)\s+(\S+)?\s+(\S+\s+\S+\s+\d+\s+\d+:\d+)\s+still/) {
return ($1, $2, $3, $4);
}
}
}
# execute_dscl_command(command, arg, ...)
# Executes some batch command with dscl, and calls error on failure
sub execute_dscl_command
{
local ($cmd, @args) = @_;
local $fullcmd = "dscl '$netinfo_domain' ".quotemeta($cmd);
foreach my $a (@args) {
$fullcmd .= " ".($a eq '' ? "''" : quotemeta($a));
}
local $out = &backquote_command("$fullcmd 2>&1 </dev/null");
if ($?) {
&error("<tt>".&html_escape($fullcmd)."</tt> failed : ".
"<tt>".&html_escape($out)."</tt>");
}
return $out;
}
# get_macos_password_hash(uid)
# Given a user's ID, return the password hash. This is in SHA1 format, and the
# first 4 bytes are the salt
sub get_macos_password_hash
{
local ($uuid) = @_;
return undef if (!$uuid);
local $hashfile = &read_file_contents("/var/db/shadow/hash/$uuid");
if ($hashfile) {
return substr($hashfile, 169, 48);
}
return undef;
}
# set_macos_password_hash(uuid, hash)
# Updates the password hash for some OSX user
sub set_macos_password_hash
{
local ($uuid, $pass) = @_;
print STDERR "uuid=$uuid hash=$pass\n";
return 0 if (!$uuid);
local $hashfile = &read_file_contents("/var/db/shadow/hash/$uuid");
if ($hashfile) {
if (length($pass) > 48) {
$pass = substr($pass, 0, 48);
}
elsif (length($pass) < 48) {
$pass .= ("0" x (48-length($pass)));
}
substr($hashfile, 169, 48) = $pass;
&open_tempfile(HASHFILE, ">/var/db/shadow/hash/$uuid");
&print_tempfile(HASHFILE, $hashfile);
&close_tempfile(HASHFILE);
return 1;
}
return 0;
}
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