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# nis-lib.pl
# Common functions for NIS client and server management
BEGIN { push(@INC, ".."); };
use WebminCore;
&init_config();
if (-r "$module_root_directory/$gconfig{'os_type'}-$gconfig{'os_version'}-lib.pl") {
do "$gconfig{'os_type'}-$gconfig{'os_version'}-lib.pl";
}
else {
do "$gconfig{'os_type'}-lib.pl";
}
if ($gconfig{'os_type'} =~ /-linux$/) {
do "linux-lib.pl";
}
&foreign_require("init", "init-lib.pl");
# init_script(action)
# Returns the full path to some init script
sub init_script
{
local %iconfig = &foreign_config("init");
return "$iconfig{'init_dir'}/$_[0]";
}
# get_nsswitch_conf()
# Parses lines of nsswitch.conf into an array
sub get_nsswitch_conf
{
local @rv;
open(SWITCH, $config{'nsswitch_conf'});
while(<SWITCH>) {
s/\r|\n//g;
s/#.*$//g;
if (/^\s*(\S+):\s*(.*)/) {
local $sw = { 'service' => $1,
'order' => $2 };
push(@rv, $sw);
}
}
close(SWITCH);
return @rv;
}
# save_nsswitch(service, order)
# Updates the line for some service in nsswitch.conf
sub save_nsswitch
{
local $lref = &read_file_lines($config{'nsswitch_conf'});
foreach $l (@$lref) {
if ($l =~ /^\s*(\S+):/ && $1 eq $_[0]) {
$l = "$_[0]:\t$_[1]";
last;
}
}
}
# table_edit_setup(table, line, splitter)
# Returns &table, &lnums, line1, line2, ...
sub table_edit_setup
{
local @tables = &list_nis_tables();
local $t = $tables[$_[0]];
return ( $t ) if (!defined($_[1]));
local @lnums = ( $_[1] );
local $lref = &read_file_lines($t->{'files'}->[0]);
local @lines = ( [ split($_[2], $lref->[$_[1]]) ] );
local $i;
for($i=1; $t->{'files'}->[$i]; $i++) {
local $lref2 = &read_file_lines($t->{'files'}->[$i]);
local $lnum = 0;
foreach $l (@$lref2) {
local @line2 = split($_[2], $l);
if ($line2[0] eq $lines[0]->[0]) {
push(@lnums, $lnum);
push(@lines, \@line2);
last;
}
$lnum++;
}
}
return ($t, \@lnums, @lines);
}
# table_add(&table, separator, &record, ...)
# Adds a record to an NIS table
sub table_add
{
local $i = 2;
foreach $f (@{$_[0]->{'files'}}) {
local $lref = &read_file_lines($f);
push(@$lref, join($_[1], @{$_[$i++]}));
}
&flush_file_lines();
}
# table_delete(&table, &lnums)
# Delete a record from an NIS table
sub table_delete
{
local $i = 0;
foreach $f (@{$_[0]->{'files'}}) {
local $lref = &read_file_lines($f);
splice(@$lref, $_[1]->[$i], 1);
$i++;
}
&flush_file_lines();
}
# table_update(&table, &lnums, separator, &record, ...)
# Modify a record in an NIS table
sub table_update
{
local $i = 0;
foreach $f (@{$_[0]->{'files'}}) {
local $lref = &read_file_lines($f);
splice(@$lref, $_[1]->[$i], 1, join($_[2], @{$_[$i+3]}));
$i++;
}
&flush_file_lines();
}
# date_input(day, month, year, prefix)
sub date_input
{
print "<input name=$_[3]d size=3 value='$_[0]'>";
print "/<select name=$_[3]m>\n";
local $m;
foreach $m (1..12) {
printf "<option value=%d %s>%s\n",
$m, $_[1] eq $m ? 'selected' : '', $text{"smonth_$m"};
}
print "</select>";
print "/<input name=$_[3]y size=5 value='$_[2]'>";
print &date_chooser_button("$_[3]d", "$_[3]m", "$_[3]y");
}
# parse_ypserv_conf()
# Returns &opts, &maps
sub parse_ypserv_conf
{
local (%opts, @hosts);
local $lnum = 0;
open(CONF, $ypserv_conf);
while(<CONF>) {
s/\r|\n//g;
s/#.*$//;
if (/^\s*([^:\s]+):\s*(yes|no)/) {
# Found an option
$opts{$1} = { 'name' => $1,
'value' => $2 eq 'yes' ? 1 : 0,
'line' => $lnum };
}
elsif (/^\s*([^:\s]+)\s*:\s*([^:\s]+)\s*:\s*([^:\s]+)\s*:\s*(none|port|mangle|deny)(\/mangle(:(\d+))?)?/) {
# Found a host and domain line (new format)
push(@hosts, { 'host' => $1,
'domain' => $2,
'map' => $3,
'sec' => $4,
'mangle' => $5 ? 1 : 0,
'field' => $7,
'line' => $lnum } );
}
elsif (/^\s*([^:\s]+)\s*:\s*([^:\s]+)\s*:\s*([^:\s]+)(\s*:\s*([^:\s]+))?(\s*:\s*([^:\s]+))?/) {
# Found a host line (old format)
push(@hosts, { 'host' => $1,
'map' => $2,
'sec' => $3,
'mangle' => $5 eq 'yes' ? 1 : 0,
'field' => $7 eq '' ? 2 : $7,
'line' => $lnum } );
}
$lnum++;
}
close(CONF);
return (\%opts, \@hosts);
}
# parse_yp_makefile()
# Returns hashes of makefile variables and rules
sub parse_yp_makefile
{
# First parse joined lines
local $lnum = 0;
local (@lines, $llast);
open(MAKE, $yp_makefile);
while(<MAKE>) {
s/\r|\n//g;
local $slash = (s/\\$//);
s/#.*$//;
if ($llast) {
$llast->{'value'} .= " $_";
$llast->{'eline'} = $lnum;
}
else {
push(@lines, { 'value' => $_,
'line' => $lnum,
'eline' => $lnum });
}
$llast = $slash ? $lines[$#lines] : undef;
$lnum++;
}
close(MAKE);
# Then look for variables and rules
local ($i, %var, %rule);
for($i=0; $i<@lines; $i++) {
if ($lines[$i]->{'value'} =~ /^\s*(\S+)\s*=\s*(.*)/) {
# Found a variable
$var{$1} = { 'name' => $1,
'value' => $2,
'type' => 0,
'line' => $lines[$i]->{'line'},
'eline' => $lines[$i]->{'eline'} };
}
elsif ($lines[$i]->{'value'} =~ /^\s*(\S+)\s*\+=\s*(.*)/) {
# Adding to a variable
if ($var{$1}) {
$var{$1}->{'value'} .= ' '.$2;
}
}
elsif ($lines[$i]->{'value'} =~ /^\s*(\S+):\s*(.*)/) {
# Found a makefile rule
$rule{$1} = { 'name' => $1,
'value' => $2,
'type' => 1,
'line' => $lines[$i]->{'line'},
'eline' => $lines[$i]->{'eline'} };
if ($lines[$i+1]->{'value'} =~ /^\s+/) {
$rule{$1}->{'code'} = $lines[$i+1]->{'value'};
$rule{$1}->{'eline'} = $lines[$i+1]->{'eline'};
$i++;
}
}
}
return ( \%var, \%rule );
}
# expand_vars(string, &vars)
sub expand_vars
{
local $rv = $_[0];
while($rv =~ /^(.*)\$\(([A-Za-z0-9_]+)\)(.*)$/) {
# if (substr($_[1]->{$2}->{'value'}, 0, 7) eq '$(shell') {
# $rv = $1."\0(".$2.")".$3;
# }
# else {
$rv = $1.$_[1]->{$2}->{'value'}.$3;
# }
}
#$rv =~ s/\0/\$/g;
return $rv;
}
# update_makefile(&old, value, [value]);
sub update_makefile
{
local $lref = &read_file_lines($yp_makefile);
local @n;
if ($_[0]->{'type'} == 0) {
@n = ( "$_[0]->{'name'} = $_[1]" );
}
else {
@n = ( "$_[0]->{'name'}: $_[1]", $_[2] );
}
splice(@$lref, $_[0]->{'line'}, $_[0]->{'eline'} - $_[0]->{'line'} + 1, @n);
}
1;
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