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# apache-lib.pl
# Common functions for apache configuration
BEGIN { push(@INC, ".."); };
use WebminCore;
$directive_type_count = 20;
if ($module_name ne 'htaccess') {
&init_config();
%access = &get_module_acl();
@access_types = $access{'types'} eq '*' ? (0 .. $directive_type_count)
: split(/\s+/, $access{'types'});
}
else {
@access_types = (0 .. $directive_type_count);
}
map { $access_types{$_}++ } @access_types;
$site_file = ($config{'webmin_apache'} || $module_config_directory)."/site";
# Check if a list of supported modules needs to be built. This is done
# if the Apache binary changes, when Webmin is upgraded, or once every five
# minutes if automatic rebuilding is enabled.
if ($module_name ne 'htaccess') {
local %oldsite;
local $httpd = &find_httpd();
local @st = stat($httpd);
&read_file($site_file, \%oldsite);
local @sst = stat($site_file);
if ($oldsite{'path'} ne $httpd ||
$oldsite{'size'} != $st[7] ||
$oldsite{'webmin'} != &get_webmin_version() ||
$config{'auto_mods'} && $sst[9] < time()-5*60) {
# Need to build list of supported modules
local ($ver, $mods) = &httpd_info($httpd);
if ($ver) {
local @mods = map { "$_/$ver" } &configurable_modules();
foreach my $m (@mods) {
if ($m =~ /(\S+)\/(\S+)/) {
$httpd_modules{$1} = $2;
}
}
# Call again now that known modules have been set, as
# sometimes there are dependencies due to LoadModule
# statements in an IfModule block
@mods = map { "$_/$ver" } &configurable_modules();
local %site = ( 'size' => $st[7],
'path' => $httpd,
'modules' => join(' ', @mods),
'webmin' => &get_webmin_version() );
&lock_file($site_file);
&write_file($site_file, \%site);
chmod(0644, $site_file);
&unlock_file($site_file);
}
}
}
# Read the site-specific setup file, then require in all the module-specific
# .pl files
if (&read_file($site_file, \%site)) {
local($m, $f, $d);
$httpd_size = $site{'size'};
foreach $m (split(/\s+/, $site{'modules'})) {
if ($m =~ /(\S+)\/(\S+)/) {
$httpd_modules{$1} = $2;
}
}
foreach $m (keys %httpd_modules) {
if (!-r "$module_root_directory/$m.pl") {
delete($httpd_modules{$m});
}
}
foreach $f (split(/\s+/, $site{'htaccess'})) {
if (-r $f) { push(@htaccess_files, $f); }
}
foreach $m (keys %httpd_modules) {
do "$m.pl";
}
foreach $d (split(/\s+/, $site{'defines'})) {
$httpd_defines{$d}++;
}
}
$apache_docbase = $config{'apache_docbase'} ? $config{'apache_docbase'} :
$httpd_modules{'core'} >= 2.0 ?
"http://httpd.apache.org/docs-2.0/mod/" :
"http://httpd.apache.org/docs/mod/";
# parse_config_file(handle, lines, file, [recursive])
# Parses lines of text from some config file into a data structure. The
# return value is an array of references, one for each directive in the file.
# Each reference points to an associative array containing
# line - The line number this directive is at
# eline - The line number this directive ends at
# file - The file this directive is from
# type - 0 for a normal directive, 1 for a container directive
# name - The name of this directive
# value - Value (possibly with spaces)
# members - For type 1, a reference to the array of members
sub parse_config_file
{
local($fh, @rv, $line, %dummy);
$fh = $_[0];
$dummy{'line'} = $dummy{'eline'} = $_[1]-1;
$dummy{'file'} = $_[2];
$dummy{'type'} = 0;
$dummy{'name'} = "dummy";
@rv = (\%dummy);
local %defs;
foreach my $d (&get_httpd_defines()) {
if ($d =~ /^(\S+)=(.*)$/) {
$defs{$1} = $2;
}
else {
$defs{$d} = '';
}
}
while($line = <$fh>) {
chop;
$line =~ s/^\s*#.*$//g;
if ($line =~ /^\s*<\/(\S+)\s*(.*)>/) {
# end of a container directive. This can only happen in a
# recursive call to this function
$_[1]++;
last if (lc($_[3]) eq lc($1));
}
elsif ($line =~ /^\s*<IfModule\s+(\!?)(\S+)\.c>/i ||
$line =~ /^\s*<IfModule\s+(\!?)(\S+)>/i) {
# start of an IfModule block. Read it, and if the module
# exists put the directives in this section.
local ($not, $mod) = ($1, $2);
local $oldline = $_[1];
$_[1]++;
local @dirs = &parse_config_file($fh, $_[1], $_[2], 'IfModule');
local $altmod = $mod;
$altmod =~ s/^(\S+)_module$/mod_$1/g;
local $mpmmod = $mod;
$mpmmod =~ s/^mpm_//; $mpmmod =~ s/_module$//;
if (!$not && $httpd_modules{$mod} ||
$not && !$httpd_modules{$mod} ||
!$not && $httpd_modules{$altmod} ||
$not && !$httpd_modules{$altmod} ||
!$not && $httpd_modules{$mpmmod} ||
$not && !$httpd_modules{$mpmmod}
) {
# use the directives..
push(@rv, { 'line', $oldline,
'eline', $oldline,
'file', $_[2],
'name', "<IfModule $not$mod>" });
push(@rv, @dirs);
push(@rv, { 'line', $_[1]-1,
'eline', $_[1]-1,
'file', $_[2],
'name', "</IfModule>" });
}
}
elsif ($line =~ /^\s*<IfDefine\s+(\!?)(\S+)>/i) {
# start of an IfDefine block. Read it, and if the define
# exists put the directives in this section
local ($not, $def) = ($1, $2);
local $oldline = $_[1];
$_[1]++;
local @dirs = &parse_config_file($fh, $_[1], $_[2], 'IfDefine');
if (!$not && defined($defs{$def}) ||
$not && !defined($defs{$def})) {
# use the directives..
push(@rv, { 'line', $oldline,
'eline', $oldline,
'file', $_[2],
'name', "<IfDefine $not$def>" });
push(@rv, @dirs);
push(@rv, { 'line', $_[1]-1,
'eline', $_[1]-1,
'file', $_[2],
'name', "</IfDefine>" });
}
}
elsif ($line =~ /^\s*<IfVersion\s+(\!?)(\S*)\s*(\S+)>/i) {
# Start of an IfVersion block. Read it, and if the version
# matches put the directives in this section
local ($not, $op, $ver) = ($1, $2, $3);
local $oldline = $_[1];
$_[1]++;
local @dirs = &parse_config_file($fh, $_[1], $_[2], 'IfVersion');
$op ||= "=";
local $match = 0;
local $myver = $httpd_modules{'core'};
$myver =~ s/^(\d+)\.(\d)(\d+)$/$1.$2.$3/;
if ($op eq "=" || $op eq "==") {
if ($ver =~ /^\/(.*)\/$/) {
$match = 1 if ($myver =~ /$1/);
}
else {
$match = 1 if ($myver eq $ver);
}
}
elsif ($op eq ">") {
$match = 1 if ($myver > $ver);
}
elsif ($op eq ">=") {
$match = 1 if ($myver >= $ver);
}
elsif ($op eq "<") {
$match = 1 if ($myver < $ver);
}
elsif ($op eq "<=") {
$match = 1 if ($myver <= $ver);
}
elsif ($op eq "~") {
$match = 1 if ($myver =~ /$ver/);
}
$match = !$match if ($not);
if ($match) {
# use the directives..
push(@rv, { 'line', $oldline,
'eline', $oldline,
'file', $_[2],
'name', "<IfVersion $not$op $ver>" });
push(@rv, @dirs);
push(@rv, { 'line', $_[1]-1,
'eline', $_[1]-1,
'file', $_[2],
'name', "</IfVersion>" });
}
}
elsif ($line =~ /^\s*<(\S+)\s*(.*)>/) {
# start of a container directive. The first member is a dummy
# directive at the same line as the container
local(%dir, @members);
%dir = ('line', $_[1],
'file', $_[2],
'type', 1,
'name', $1,
'value', $2);
$dir{'value'} =~ s/\s+$//g;
$dir{'words'} = &wsplit($dir{'value'});
$_[1]++;
@members = &parse_config_file($fh, $_[1], $_[2], $dir{'name'});
$dir{'members'} = \@members;
$dir{'eline'} = $_[1]-1;
push(@rv, \%dir);
}
elsif ($line =~ /^\s*(\S+)\s*(.*)$/) {
# normal directive
local(%dir);
%dir = ('line', $_[1],
'eline', $_[1],
'file', $_[2],
'type', 0,
'name', $1,
'value', $2);
if ($dir{'value'} =~ s/\\$//g) {
# multi-line directive!
while($line = <$fh>) {
chop($line);
$cont = ($line =~ s/\\$//g);
$dir{'value'} .= $line;
$dir{'eline'} = ++$_[1];
if (!$cont) { last; }
}
}
$dir{'value'} =~ s/\s+$//g;
if ($dir{'value'} =~ /^(.*)\$\{([^\}]+)\}(.*)$/) {
# Contains a variable .. replace with define
local $v = $defs{$2};
if ($v) {
$dir{'value'} = $1.$v.$3;
}
}
$dir{'words'} = &wsplit($dir{'value'});
push(@rv, \%dir);
$_[1]++;
}
else {
# blank or comment line
$_[1]++;
}
}
return @rv;
}
# wsplit(string)
# Splits a string like foo "foo \"bar\"" bazzz into an array of words
sub wsplit
{
local($s, @rv); $s = $_[0];
$s =~ s/\\\"/\0/g;
while($s =~ /^"([^"]*)"\s*(.*)$/ || $s =~ /^(\S+)\s*(.*)$/) {
$w = $1; $s = $2;
$w =~ s/\0/"/g; push(@rv, $w);
}
return \@rv;
}
# wjoin(word, word, ...)
sub wjoin
{
local(@rv, $w);
foreach $w (@_) {
if ($w =~ /^\S+$/) { push(@rv, $w); }
else { push(@rv, "\"$w\""); }
}
return join(' ', @rv);
}
# find_directive(name, &directives, [1stword])
# Returns the values of directives matching some name
sub find_directive
{
local (@vals, $ref);
foreach $ref (@{$_[1]}) {
if (lc($ref->{'name'}) eq lc($_[0])) {
push(@vals, $_[2] ? $ref->{'words'}->[0] : $ref->{'value'});
}
}
return wantarray ? @vals : !@vals ? undef : $vals[$#vals];
}
# find_directive_struct(name, &directives)
# Returns references to directives maching some name
sub find_directive_struct
{
local (@vals, $ref);
foreach $ref (@{$_[1]}) {
if (lc($ref->{'name'}) eq lc($_[0])) {
push(@vals, $ref);
}
}
return wantarray ? @vals : !@vals ? undef : $vals[$#vals];
}
# find_vdirective(name, &virtualdirectives, &directives, [1stword])
# Looks for some directive in a <VirtualHost> section, and then in the
# main section
sub find_vdirective
{
if ($_[1]) {
$rv = &find_directive($_[0], $_[1], $_[3]);
if ($rv) { return $rv; }
}
return &find_directive($_[0], $_[2], $_[3]);
}
# get_config()
# Returns the entire config structure
sub get_config
{
local($acc, $res, $lnum, $conf, @virt, $v, $mref, $inc);
if (@get_config_cache) {
return \@get_config_cache;
}
# read primary config file
($conf) = &find_httpd_conf();
return undef if (!$conf);
my %seenfiles;
@get_config_cache = &get_config_file($conf, \%seenfiles);
# Read main resource and access config files
$lnum = 0;
$res = &find_directive("ResourceConfig", \@get_config_cache);
if (!$res) { $res = $config{'srm_conf'}; }
if (!$res) { $res = "$config{'httpd_dir'}/conf/srm.conf"; }
if (!-r &translate_filename($res)) {
$res = "$config{'httpd_dir'}/etc/srm.conf";
}
push(@get_config_cache, &get_config_file($res, \%seenfiles));
$lnum = 0;
$acc = &find_directive("AccessConfig", \@get_config_cache);
if (!$acc) { $acc = $config{'access_conf'}; }
if (!$acc) { $acc = "$config{'httpd_dir'}/conf/access.conf"; }
if (!-r &translate_filename($acc)) {
$acc = "$config{'httpd_dir'}/etc/access.conf";
}
push(@get_config_cache, &get_config_file($acc, \%seenfiles));
# Read extra config files in VirtualHost sections
@virt = &find_directive_struct("VirtualHost", \@get_config_cache);
foreach $v (@virt) {
my %seenfiles;
$mref = $v->{'members'};
foreach $idn ("ResourceConfig", "AccessConfig", "Include", "IncludeOptional") {
foreach $inc (&find_directive_struct($idn, $mref)) {
local @incs = &expand_apache_include(
$inc->{'words'}->[0]);
foreach my $ginc (@incs) {
push(@$mref, &get_config_file($ginc,
\%seenfiles));
}
}
}
}
return \@get_config_cache;
}
# get_config_file(filename, [&seen-files])
# Returns a list of config hash refs from some file
sub get_config_file
{
my ($file, $seen) = @_;
# Convert sites-enabled to real path in sites-available
$file = &simplify_path(&resolve_links($file));
return ( ) if ($seen && $seen->{$file}++);
local @rv;
if (opendir(DIR, $file)) {
# Is a directory .. parse all files!
local @files = readdir(DIR);
closedir(DIR);
foreach my $f (sort { $a cmp $b } @files) {
next if ($f =~ /^\./);
push(@rv, &get_config_file("$file/$f", $seen));
}
}
else {
# Just a normal config file
local $lnum = 0;
&open_readfile(CONF, $file);
@rv = &parse_config_file(CONF, $lnum, $file);
close(CONF);
}
# Expand Include directives
foreach $inc (&find_directive_struct("Include", \@rv),
&find_directive_struct("IncludeOptional", \@rv)) {
local @incs = &expand_apache_include($inc->{'words'}->[0]);
foreach my $ginc (@incs) {
push(@rv, &get_config_file($ginc, $seen));
}
}
return @rv;
}
# expand_apache_include(dir)
# Given an include directive value, returns a list of matching files
sub expand_apache_include
{
local ($incdir) = @_;
if ($incdir !~ /^\//) { $incdir = "$config{'httpd_dir'}/$incdir"; }
if ($incdir =~ /^(.*)\[\^([^\]]+)\](.*)$/) {
# A glob like /etc/[^.#]*.conf , which cannot be handled
# by Perl's glob function!
local $before = $1;
local $after = $3;
local %reject = map { $_, 1 } split(//, $2);
$reject{'*'} = $reject{'?'} = $reject{'['} = $reject{']'} =
$reject{'/'} = $reject{'$'} = $reject{'('} = $reject{')'} =
$reject{'!'} = 1;
local $accept = join("", grep { !$reject{$_} } map { chr($_) } (32 .. 126));
$incdir = $before."[".$accept."]".$after;
}
return sort { $a cmp $b } glob($incdir);
}
# get_virtual_config(index|name)
# Returns the Apache config block with some index in the main config, or name
sub get_virtual_config
{
local ($name) = @_;
local $conf = &get_config();
local ($c, $v);
if (!$name) {
# Whole config
$c = $conf;
$v = undef;
}
elsif ($name =~ /^\d+$/) {
# By index
$c = $conf->[$name]->{'members'};
$v = $conf->[$name];
}
else {
# Find by name, in servername:port format
my ($sn, $sp) = split(/:/, $name);
VHOST: foreach my $virt (&find_directive_struct("VirtualHost", $conf)) {
local $vp = $virt->{'words'}->[0] =~ /:(\d+)$/ ? $1 : 80;
next if ($vp != $sp);
local $vn = &find_directive("ServerName", $virt->{'members'});
if (lc($vn) eq lc($sn) || lc($vn) eq lc("www.".$sn)) {
$c = $virt->{'members'};
$v = $virt;
last VHOST;
}
foreach my $n (&find_directive_struct("ServerAlias",
$virt->{'members'})) {
local @lcw = map { lc($_) } @{$n->{'words'}};
if (&indexof($sn, @lcw) >= 0 ||
&indexof("www.".$sn, @lcw) >= 0) {
$c = $virt->{'members'};
$v = $virt;
last VHOST;
}
}
}
}
return wantarray ? ($c, $v) : $c;
}
# get_htaccess_config(file)
sub get_htaccess_config
{
local($lnum, @conf);
&open_readfile(HTACCESS, $_[0]);
@conf = &parse_config_file(HTACCESS, $lnum, $_[0]);
close(HTACCESS);
return \@conf;
}
# save_directive(name, &values, &parent-directives, &config, [always-at-end])
# Updates the config file(s) and the directives structure with new values
# for the given directives.
# If a directive's value is merely being changed, then its value only needs
# to be updated in the directives array and in the file.
sub save_directive
{
local($i, @old, $lref, $change, $len, $v);
@old = &find_directive_struct($_[0], $_[2]);
local @files;
for($i=0; $i<@old || $i<@{$_[1]}; $i++) {
$v = ${$_[1]}[$i];
if ($i >= @old) {
# a new directive is being added. If other directives of this
# type exist, add it after them. Otherwise, put it at the end of
# the first file in the section
if ($change && !$_[4]) {
# Have changed some old directive.. add this new one
# after it, and update change
local(%v, $j);
%v = ( "line", $change->{'line'}+1,
"eline", $change->{'line'}+1,
"file", $change->{'file'},
"type", 0,
"name", $_[0],
"value", $v,
"words", &wsplit($v) );
$j = &indexof($change, @{$_[2]})+1;
&renumber($_[3], $v{'line'}, $v{'file'}, 1);
splice(@{$_[2]}, $j, 0, \%v);
$lref = &read_file_lines($v{'file'});
push(@files, $v{'file'});
splice(@$lref, $v{'line'}, 0, "$_[0] $v");
$change = \%v;
}
else {
# Adding a new directive to the end of the list
# in this section
local($f, %v, $j);
$f = $_[2]->[0]->{'file'};
for($j=0; $_[2]->[$j]->{'file'} eq $f; $j++) { }
$l = $_[2]->[$j-1]->{'eline'}+1;
%v = ( "line", $l,
"eline", $l,
"file", $f,
"type", 0,
"name", $_[0],
"value", $v,
"words", &wsplit($v) );
&renumber($_[3], $l, $f, 1);
splice(@{$_[2]}, $j, 0, \%v);
$lref = &read_file_lines($f);
push(@files, $f);
splice(@$lref, $l, 0, "$_[0] $v");
}
}
elsif ($i >= @{$_[1]}) {
# a directive was deleted
$lref = &read_file_lines($old[$i]->{'file'});
push(@files, $old[$i]->{'file'});
$idx = &indexof($old[$i], @{$_[2]});
splice(@{$_[2]}, $idx, 1);
$len = $old[$i]->{'eline'} - $old[$i]->{'line'} + 1;
splice(@$lref, $old[$i]->{'line'}, $len);
&renumber($_[3], $old[$i]->{'line'}, $old[$i]->{'file'}, -$len);
}
else {
# just changing the value
$lref = &read_file_lines($old[$i]->{'file'});
push(@files, $old[$i]->{'file'});
$len = $old[$i]->{'eline'} - $old[$i]->{'line'} + 1;
&renumber($_[3], $old[$i]->{'eline'}+1,
$old[$i]->{'file'},1-$len);
$old[$i]->{'value'} = $v;
$old[$i]->{'words'} = &wsplit($v);
$old[$i]->{'eline'} = $old[$i]->{'line'};
splice(@$lref, $old[$i]->{'line'}, $len, "$_[0] $v");
$change = $old[$i];
}
}
return &unique(@files);
}
# save_directive_struct(&old-directive, &directive, &parent-directives,
# &config, [firstline-only])
# Updates, creates or removes only multi-line directive like a <virtualhost>
sub save_directive_struct
{
local ($olddir, $newdir, $pconf, $conf, $first) = @_;
return if (!$olddir && !$newdir); # Nothing to do
local $file = $olddir ? $olddir->{'file'} :
$newdir->{'file'} ? $newdir->{'file'} : $pconf->[0]->{'file'};
local $lref = &read_file_lines($file);
local $oldlen = $olddir ? $olddir->{'eline'}-$olddir->{'line'}+1 : undef;
local @newlines = $newdir ? &directive_lines($newdir) : ( );
if ($olddir && $newdir) {
# Update in place
if ($first) {
# Just changing first and last line, like virtualhost IP
$lref->[$olddir->{'line'}] = $newlines[0];
$lref->[$olddir->{'eline'}] = $newlines[$#newlines];
$olddir->{'name'} = $newdir->{'name'};
$olddir->{'value'} = $newdir->{'value'};
}
else {
# Re-writing whole block
&renumber($conf, $olddir->{'eline'}+1, $file,
scalar(@newlines)-$oldlen);
local $idx = &indexof($olddir, @$pconf);
$pconf->[$idx] = $newdir if ($idx >= 0);
$newdir->{'file'} = $olddir->{'file'};
$newdir->{'line'} = $olddir->{'line'};
$newdir->{'eline'} = $olddir->{'line'}+scalar(@newlines)-1;
splice(@$lref, $olddir->{'line'}, $oldlen, @newlines);
# Update sub-directive lines and files too
if ($newdir->{'type'}) {
&recursive_set_lines_files($newdir->{'members'},
$newdir->{'line'}+1,
$newdir->{'file'});
}
}
}
elsif ($olddir && !$newdir) {
# Remove
splice(@$lref, $olddir->{'line'}, $oldlen);
local $idx = &indexof($olddir, @$pconf);
splice(@$pconf, $idx, 1) if ($idx >= 0);
&renumber($conf, $olddir->{'line'}, $olddir->{'file'}, -$oldlen);
}
elsif (!$olddir && $newdir) {
# Add to file, at end of specific file or parent section
local ($addline, $addpos);
if ($newdir->{'file'}) {
$addline = scalar(@$lref);
$addpos = scalar(@$pconf);
}
else {
for($addpos=0; $addpos < scalar(@$pconf) &&
$pconf->[$addpos]->{'file'} eq $file;
$addpos++) {
# Find last parent directive in same file
}
$addpos--;
$addline = $pconf->[$addpos]->{'eline'}+1;
}
$newdir->{'file'} = $file;
$newdir->{'line'} = $addline;
$newdir->{'eline'} = $addline + scalar(@newlines) - 1;
&renumber($conf, $addline, $file, scalar(@newlines));
splice(@$pconf, $addpos, 0, $newdir);
splice(@$lref, $addline, 0, @newlines);
# Update sub-directive lines and files too
if ($newdir->{'type'}) {
&recursive_set_lines_files($newdir->{'members'},
$newdir->{'line'}+1,
$newdir->{'file'});
}
}
}
# recursive_set_lines_files(&directives, first-line, file)
# Update the line numbers and filenames in a list of directives
sub recursive_set_lines_files
{
local ($dirs, $line, $file) = @_;
foreach my $d (@$dirs) {
$dir->{'line'} = $line;
$dir->{'file'} = $file;
if ($dir->{'type'}) {
# Do sub-members too
&recursive_set_lines_files($dir->{'members'}, $line+1, $file);
$line += scalar(@{$dir->{'members'}})+1;
$dir->{'eline'} = $line;
}
else {
$dir->{'eline'} = $line;
}
$line++;
}
return $line;
}
# delete_file_if_empty(file)
# If a virtual host file is now empty, delete it (and any link to it)
sub delete_file_if_empty
{
local ($file) = @_;
local $lref = &read_file_lines($file, 1);
foreach my $l (@$lref) {
return 0 if ($l =~ /\S/);
}
&unflush_file_lines($file);
unlink($file);
&delete_webfile_link($file);
}
# renumber(&config, line, file, offset)
# Recursively changes the line number of all directives from some file
# beyond the given line.
sub renumber
{
local($d);
if (!$_[3]) { return; }
foreach $d (@{$_[0]}) {
if ($d->{'file'} eq $_[2] && $d->{'line'} >= $_[1]) {
$d->{'line'} += $_[3];
}
if ($d->{'file'} eq $_[2] && $d->{'eline'} >= $_[1]) {
$d->{'eline'} += $_[3];
}
if ($d->{'type'}) {
&renumber($d->{'members'}, $_[1], $_[2], $_[3]);
}
}
}
# server_root(path)
# Convert a relative path to being under the server root
sub server_root
{
if (!$_[0]) { return undef; }
elsif ($_[0] =~ /^\//) { return $_[0]; }
else { return "$config{'httpd_dir'}/$_[0]"; }
}
sub dump_config
{
local($c, $mref);
print "<table border>\n";
print "<tr> <td>Name</td> <td>Value</td> <td>File</td> <td>Line</td> </tr>\n";
foreach $c (@_) {
printf "<tr> <td>%s</td> <td>%s</td><td>%s</td><td>%s</td> </tr>\n",
$c->{'name'}, $c->{'value'}, $c->{'file'}, $c->{'line'};
if ($c->{'type'}) {
print "<tr> <td colspan=4>\n";
$mref = $c->{'members'};
&dump_config(@$mref);
print "</td> </tr>\n";
}
}
print "</table>\n";
}
sub def
{
return $_[0] ? $_[0] : $_[1];
}
# make_directives(ref, version, module)
sub make_directives
{
local(@rv, $aref);
$aref = $_[0];
local $ver = $_[1];
if ($ver =~ /^(1)\.(3)(\d+)$/) {
$ver = sprintf "%d.%d%2.2d", $1, $2, $3;
}
foreach $d (@$aref) {
local(%dir);
$dir{'name'} = $d->[0];
$dir{'multiple'} = $d->[1];
$dir{'type'} = int($d->[2]);
$dir{'subtype'} = $d->[2] - $dir{'type'};
$dir{'module'} = $_[2];
$dir{'version'} = $ver;
$dir{'priority'} = $d->[5];
foreach $c (split(/\s+/, $d->[3])) { $dir{$c}++; }
if (!$d->[4]) { push(@rv, \%dir); }
elsif ($d->[4] =~ /^-([\d\.]+)$/ && $ver < $1) { push(@rv, \%dir); }
elsif ($d->[4] =~ /^([\d\.]+)$/ && $ver >= $1) { push(@rv, \%dir); }
elsif ($d->[4] =~ /^([\d\.]+)-([\d\.]+)$/ && $ver >= $1 && $ver < $2)
{ push(@rv, \%dir); }
}
return @rv;
}
# editable_directives(type, context)
# Returns an array of references to associative arrays, one for each
# directive of the given type that can be used in the given context
sub editable_directives
{
local($m, $func, @rv, %done);
foreach $m (keys %httpd_modules) {
$func = $m."_directives";
if (defined(&$func)) {
push(@rv, &$func($httpd_modules{$m}));
}
}
@rv = grep { $_->{'type'} == $_[0] && $_->{$_[1]} &&
!$done{$_->{'name'}}++ } @rv;
@rv = grep { &can_edit_directive($_->{'name'}) } @rv;
@rv = sort { local $td = $a->{'subtype'} <=> $b->{'subtype'};
local $pd = $b->{'priority'} <=> $a->{'priority'};
local $md = $a->{'module'} cmp $b->{'module'};
$td ? $td : $pd ? $pd : $md ? $md : $a->{'name'} cmp $b->{'name'} }
@rv;
return @rv;
}
# can_edit_directive(name)
# Returns 1 if the Apache directive named can be edited by the current user
sub can_edit_directive
{
local ($name) = @_;
if ($access{'dirsmode'} == 0) {
return 1;
}
else {
local %dirs = map { lc($_), 1 } split(/\s+/, $access{'dirs'});
if ($access{'dirsmode'} == 1) {
return $dirs{lc($name)};
}
else {
return !$dirs{lc($name)};
}
}
}
# generate_inputs(&editors, &directives, [&skip])
# Displays a 2-column list of options, for use inside a table
sub generate_inputs
{
local($e, $sw, @args, @rv, $func, $lastsub);
foreach $e (@{$_[0]}) {
if (defined($lastsub) && $lastsub != $e->{'subtype'}) {
print &ui_table_hr();
}
$lastsub = $e->{'subtype'};
# Build arg list for the editing function. Each arg can be a single
# directive struct, or a reference to an array of structures.
$func = "edit";
undef(@args);
foreach $ed (split(/\s+/, $e->{'name'})) {
local(@vals);
$func .= "_$ed";
@vals = &find_directive_struct($ed, $_[1]);
if ($e->{'multiple'}) { push(@args, \@vals); }
elsif (!@vals) { push(@args, undef); }
else { push(@args, $vals[$#vals]); }
}
push(@args, $e);
# call the function
@rv = &$func(@args);
local $names;
if ($config{'show_names'} || $userconfig{'show_names'}) {
$names = " (";
foreach $ed (split(/\s+/, $e->{'name'})) {
# nodo50 v0.1 - Change 000004 - Open new window for Help in Apache module and mod_apachessl Help from http://www.apache-ssl.org and
# nodo50 v0.1 - Change 000004 - Abre nueva ventana para Ayuda del módulo Apache y para mod_apachessl busca la Ayuda en http://www.apache-ssl.org and
$names .= "<tt><a href='".($e->{'module'} eq 'mod_apachessl' ? 'http://www.apache-ssl.org/docs.html#'.$ed : $apache_docbase."/".$e->{'module'}.".html#".lc($ed))."'>".$ed."</a></tt> ";
#$names .= "<tt><a href='".$apache_docbase."/".$e->{'module'}.".html#".lc($ed)."'>".$ed."</a></tt> ";
# nodo50 v0.1 - Change 000004 - End
}
$names .= ")";
}
if ($rv[0] >= 2) {
# spans 2 columns..
if ($rv[0] == 3) {
# Takes up whole row
print &ui_table_row(undef, $rv[2], 4);
}
else {
# Has title on left
print &ui_table_row($rv[1], $rv[2], 3);
}
}
else {
# only spans one column
print &ui_table_row($rv[1], $rv[2]);
}
}
}
# parse_inputs(&editors, &directives, &config)
# Reads user choices from a form and update the directives and config files.
sub parse_inputs
{
# First call editor functions to get new values. Each function returns
# an array of references to arrays containing the new values for the directive.
&before_changing();
&lock_apache_files();
foreach $e (@{$_[0]}) {
@dirs = split(/\s+/, $e->{'name'});
$func = "save_".join('_', @dirs);
@rv = &$func($e);
for($i=0; $i<@dirs; $i++) {
push(@chname, $dirs[$i]);
push(@chval, $rv[$i]);
}
}
# Assuming everything went OK, update the configuration
for($i=0; $i<@chname; $i++) {
&save_directive($chname[$i], $chval[$i], $_[1], $_[2]);
}
&flush_file_lines();
&unlock_apache_files();
&after_changing();
}
# opt_input(value, name, default, size)
sub opt_input
{
return &ui_opt_textbox($_[1], $_[0], $_[3], $_[2]);
}
# parse_opt(name, regexp, error, [noquotes])
sub parse_opt
{
local($i, $re);
local $v = $in{$_[0]};
if ($in{"$_[0]_def"}) { return ( [ ] ); }
for($i=1; $i<@_; $i+=2) {
$re = $_[$i];
if ($v !~ /$re/) { &error($_[$i+1]); }
}
return ( [ $v =~ /\s/ && !$_[3] ? "\"$v\"" : $v ] );
}
# choice_input(value, name, default, [choice]+)
# Each choice is a display,value pair
sub choice_input
{
local($i, $rv);
for($i=3; $i<@_; $i++) {
$_[$i] =~ /^([^,]*),(.*)$/;
$rv .= &ui_oneradio($_[1], $2, $1, lc($2) eq lc($_[0]) ||
!defined($_[0]) && lc($2) eq lc($_[2]))."\n";
}
return $rv;
}
# choice_input_vert(value, name, default, [choice]+)
# Each choice is a display,value pair
sub choice_input_vert
{
local($i, $rv);
for($i=3; $i<@_; $i++) {
$_[$i] =~ /^([^,]*),(.*)$/;
$rv .= sprintf "<input type=radio name=$_[1] value=\"$2\" %s> $1<br>\n",
lc($2) eq lc($_[0]) || !defined($_[0]) &&
lc($2) eq lc($_[2]) ? "checked" : "";
}
return $rv;
}
# parse_choice(name, default)
sub parse_choice
{
if (lc($in{$_[0]}) eq lc($_[1])) { return ( [ ] ); }
else { return ( [ $in{$_[0]} ] ); }
}
# select_input(value, name, default, [choice]+)
sub select_input
{
local($i, $rv);
$rv = "<select name=\"$_[1]\">\n";
for($i=3; $i<@_; $i++) {
$_[$i] =~ /^([^,]*),(.*)$/;
$rv .= sprintf "<option value=\"$2\" %s> $1\n",
lc($2) eq lc($_[0]) || !defined($_[0]) && lc($2) eq lc($_[2]) ? "selected" : "";
}
$rv .= "</select>\n";
return $rv;
}
# parse_choice(name, default)
sub parse_select
{
return &parse_choice(@_);
}
# handler_input(value, name)
sub handler_input
{
local($m, $func, @hl, $rv, $h);
local $conf = &get_config();
push(@hl, "");
foreach $m (keys %httpd_modules) {
$func = $m."_handlers";
if (defined(&$func)) {
push(@hl, &$func($conf, $httpd_modules{$m}));
}
}
if (&indexof($_[0], @hl) < 0) { push(@hl, $_[0]); }
$rv = "<select name=$_[1]>\n";
foreach $h (&unique(@hl)) {
$rv .= sprintf "<option value=\"$h\" %s>$h\n",
$h eq $_[0] ? "selected" : "";
}
$rv .= sprintf "<option value=\"None\" %s><$text{'core_none'}>\n",
$_[0] eq "None" ? "selected" : "";
$rv .= "</select>\n";
return $rv;
}
# parse_handler(name)
sub parse_handler
{
if ($in{$_[0]} eq "") { return ( [ ] ); }
else { return ( [ $in{$_[0]} ] ); }
}
# filters_input(&values, name)
sub filters_input
{
local($m, $func, @fl, $rv, $f);
local $conf = &get_config();
foreach $m (keys %httpd_modules) {
$func = $m."_filters";
if (defined(&$func)) {
push(@fl, &$func($conf, $httpd_modules{$m}));
}
}
foreach $f (@{$_[0]}) {
push(@fl, $f) if (&indexof($f, @fl) < 0);
}
foreach $f (&unique(@fl)) {
$rv .= sprintf "<input type=checkbox name=$_[1] value='%s' %s> %s\n",
$f, &indexof($f, @{$_[0]}) < 0 ? "" : "checked", $f;
}
return $rv;
}
# parse_filters(name)
sub parse_filters
{
local @f = split(/\0/, $in{$_[0]});
return @f ? ( [ join(";", @f) ] ) : ( [ ] );
}
# virtual_name(struct, [forlog])
sub virtual_name
{
if ($_[0]) {
local $n = &find_directive("ServerName", $_[0]->{'members'});
if ($n) {
return &html_escape($_[0]->{'value'} =~ /:(\d+)$/ ? "$n:$1"
: $n);
}
else {
return &html_escape(
$_[0]->{'value'} =~ /^\[(\S+)\]$/ ? $1 :
$_[0]->{'value'} =~ /^\[(\S+)\]:(\d+)$/ ? "$1:$2" :
$_[0]->{'value'});
}
}
else { return $_[1] ? "*" : $text{'default_serv'}; }
}
# dir_name(struct)
# Given a <directory> or similar structure, return a human-readable description
sub dir_name
{
$_[0]->{'name'} =~ /^(Directory|Files|Location|Proxy)(Match)?$/;
my ($dfm, $mat) = ($1, $2);
if ($dfm eq "Proxy" && !$mat && $_[0]->{'words'}->[0] eq "*") {
# Proxy for all
return $text{'dir_proxyall'};
}
elsif ($mat) {
# Match-type directive
return "$dfm regexp <tt>".&html_escape($_[0]->{'words'}->[0])."</tt>";
}
elsif ($_[0]->{'words'}->[0] eq "~") {
# Regular expression
return "$dfm regexp <tt>".&html_escape($_[0]->{'words'}->[1])."</tt>";
}
else {
# Exact match
return "$dfm <tt>".&html_escape($_[0]->{'words'}->[0])."</tt>";
}
}
# list_user_file(file, &user, &pass)
sub list_user_file
{
local($_);
&open_readfile(USERS, $_[0]);
while(<USERS>) {
/^(\S+):(\S+)/;
push(@{$_[1]}, $1); $_[2]->{$1} = $2;
}
close(USERS);
}
# config_icons(context, program)
# Displays up to 18 icons, one for each type of configuration directive, for
# some context (global, virtual, directory or htaccess)
sub config_icons
{
local($m, $func, $e, %etype, $i, $c);
foreach $m (sort { $a cmp $b } (keys %httpd_modules)) {
$func = $m."_directives";
if (defined(&$func)) {
foreach $e (&$func($httpd_modules{$m})) {
if ($e->{$_[0]}) { $etype{$e->{'type'}}++; }
}
}
}
local (@titles, @links, @icons);
for($i=0; $text{"type_$i"}; $i++) {
if ($etype{$i} && $access_types{$i}) {
push(@links, $_[1]."type=$i");
push(@titles, $text{"type_$i"});
push(@icons, "images/type_icon_$i.gif");
}
}
for($i=2; $i<@_; $i++) {
if ($_[$i]) {
push(@links, $_[$i]->{'link'});
push(@titles, $_[$i]->{'name'});
push(@icons, $_[$i]->{'icon'});
}
}
&icons_table(\@links, \@titles, \@icons, 5);
print "<p>\n";
}
# restart_button()
# Returns HTML for a link to put in the top-right corner of every page
sub restart_button
{
local $rv;
$args = "redir=".&urlize(&this_url());
local @rv;
if (&is_apache_running()) {
if ($access{'apply'}) {
push(@rv, "<a href=\"restart.cgi?$args\">$text{'apache_apply'}</a>\n");
}
if ($access{'stop'}) {
push(@rv, "<a href=\"stop.cgi?$args\">$text{'apache_stop'}</a>\n");
}
}
elsif ($access{'stop'}) {
push(@rv, "<a href=\"start.cgi?$args\">$text{'apache_start'}</a>\n");
}
return join("<br>\n", @rv);
}
# this_url()
# Returns the URL in the apache directory of the current script
sub this_url
{
local($url);
$url = $ENV{'SCRIPT_NAME'};
if ($ENV{'QUERY_STRING'} ne "") { $url .= "?$ENV{'QUERY_STRING'}"; }
return $url;
}
# find_all_directives(config, name)
# Recursively finds all directives of some type
sub find_all_directives
{
local(@rv, $d);
foreach $d (@{$_[0]}) {
if ($d->{'name'} eq $_[1]) { push(@rv, $d); }
if ($d->{'type'} == 1) {
push(@rv, &find_all_directives($d->{'members'}, $_[1]));
}
}
return @rv;
}
# httpd_info(executable)
# Returns the httpd version and modules array
sub httpd_info
{
local(@mods, $verstr, $ver, $minor);
$verstr = &backquote_command("\"$_[0]\" -v 2>&1");
if ($config{'httpd_version'}) {
$config{'httpd_version'} =~ /(\d+)\.([\d\.]+)/;
$ver = $1; $minor = $2; $minor =~ s/\.//g; $ver .= ".$minor";
}
elsif ($verstr =~ /Apache(\S*)\/(\d+)\.([\d\.]+)/) {
# standard apache
$ver = $2; $minor = $3; $minor =~ s/\.//g; $ver .= ".$minor";
}
elsif ($verstr =~ /HP\s*Apache-based\s*Web\s*Server(\S*)\/(\d+)\.([\d\.]+)/) {
# HP's apache
$ver = $2; $minor = $3; $minor =~ s/\.//g; $ver .= ".$minor";
}
elsif ($verstr =~ /Red\s*Hat\s+Secure\/2\.0/i) {
# redhat secure server 2.0
$ver = 1.31;
}
elsif ($verstr =~ /Red\s*Hat\s+Secure\/3\.0/i) {
# redhat secure server 3.0
$ver = 1.39;
}
elsif (&has_command("rpm") &&
&backquote_command("rpm -q apache 2>&1") =~ /^apache-(\d+)\.([\d\.]+)/) {
# got version from the RPM
$ver = $1; $minor = $2; $minor =~ s/\.//g; $ver .= ".$minor";
}
else {
# couldn't get version
return (0, undef);
}
if ($ver < 1.2) {
# apache 1.1 has no -l option! Use the standard list
@mods = ("core", "mod_mime", "mod_access", "mod_auth", "mod_include",
"mod_negotiation", "mod_dir", "mod_cgi", "mod_userdir",
"mod_alias", "mod_env", "mod_log_common");
}
else {
# ask apache for the module list
@mods = ("core");
&open_execute_command(APACHE, "\"$_[0]\" -l 2>/dev/null", 1);
while(<APACHE>) {
if (/(\S+)\.c/) { push(@mods, $1); }
}
close(APACHE);
if ($?) {
# httpd crashed! Use last known good set of modules
local %oldsite;
&read_file($site_file, \%oldsite);
if ($oldsite{'modules'}) {
@mods = split(/\s+/, $oldsite{'modules'});
}
}
@mods = &unique(@mods);
}
return ($ver, \@mods);
}
# print_line(directive, text, indent, link)
sub print_line
{
local $line = $_[0]->{'line'} + 1;
local $lstr = "$_[0]->{'file'} ($line)";
local $txt = join("", @{$_[1]});
local $left = 85 - length($lstr) - $_[2];
if (length($txt) > $left) {
$txt = substr($txt, 0, $left)." ..";
}
local $txtlen = length($txt);
$txt = &html_escape($txt);
print " " x $_[2];
if ($_[3]) {
print "<a href=\"$_[3]\">",$txt,"</a>";
}
else { print $txt; }
print " " x (90 - $txtlen - $_[2] - length($lstr));
print $lstr,"\n";
}
# can_edit_virt(struct)
sub can_edit_virt
{
return 1 if ($access{'virts'} eq '*');
local %vcan = map { $_, 1 } split(/\s+/, $access{'virts'});
local ($can) = grep { $vcan{$_} } &virt_acl_name($_[0]);
return $can ? 1 : 0;
}
# virt_acl_name(struct)
# Give a virtual host, returns a list of names that could be used in the ACL
# to refer to it
sub virt_acl_name
{
return ( "__default__" ) if (!$_[0]);
local $n = &find_directive("ServerName", $_[0]->{'members'});
local @rv;
local $p;
if ($_[0]->{'value'} =~ /(:\d+)/) { $p = $1; }
if ($n) {
push(@rv, $n.$p);
}
else {
push(@rv, $_[0]->{'value'});
}
foreach $n (&find_directive_struct("ServerAlias", $_[0]->{'members'})) {
local $a;
foreach $a (@{$n->{'words'}}) {
push(@rv, $a.$p);
}
}
return @rv;
}
# allowed_auth_file(file)
sub allowed_auth_file
{
local $_;
return 1 if ($access{'dir'} eq '/');
return 0 if ($_[0] =~ /\.\./);
local $f = &server_root($_[0], &get_config());
return 0 if (-l $f && !&allowed_auth_file(readlink($f)));
local $l = length($access{'dir'});
return length($f) >= $l && substr($f, 0, $l) eq $access{'dir'};
}
# directory_exists(file)
# Returns 1 if the directory in some path exists
sub directory_exists
{
local $path = &server_root($_[0], &get_config());
if ($path =~ /^(\S*\/)([^\/]+)$/) {
return -d $1;
}
else {
return 0;
}
}
# allowed_doc_dir(dir)
# Returns 1 if some directory is under the allowed root for alias targets
sub allowed_doc_dir
{
return $access{'aliasdir'} eq '/' ||
$_[0] !~ /^\// || # Relative path, like for <Files>
&is_under_directory($access{'aliasdir'}, $_[0]);
}
sub lock_apache_files
{
local $conf = &get_config();
local $f;
foreach $f (&unique(map { $_->{'file'} } @$conf)) {
&lock_file($f);
}
}
sub unlock_apache_files
{
local $conf = &get_config();
local $f;
foreach $f (&unique(map { $_->{'file'} } @$conf)) {
&unlock_file($f);
}
}
# directive_lines(directive, ...)
sub directive_lines
{
local @rv;
foreach $d (@_) {
next if ($d->{'name'} eq 'dummy');
if ($d->{'type'}) {
push(@rv, "<$d->{'name'} $d->{'value'}>");
push(@rv, &directive_lines(@{$d->{'members'}}));
push(@rv, "</$d->{'name'}>");
}
else {
push(@rv, "$d->{'name'} $d->{'value'}");
}
}
return @rv;
}
# test_config()
# If possible, test the current configuration and return an error message,
# or undef.
sub test_config
{
if ($httpd_modules{'core'} >= 1.301) {
# Test the configuration with the available command
local $cmd;
if ($config{'test_apachectl'} &&
-x &translate_filename($config{'apachectl_path'})) {
# Test with apachectl
$cmd = "\"$config{'apachectl_path'}\" configtest";
}
else {
# Test with httpd
local $httpd = &find_httpd();
$cmd = "\"$httpd\" -d \"$config{'httpd_dir'}\" -t";
if ($config{'httpd_conf'}) {
$cmd .= " -f \"$config{'httpd_conf'}\"";
}
foreach $d (&get_httpd_defines()) {
$cmd .= " -D$d";
}
}
local $out = &backquote_command("$cmd 2>&1");
if ($out && $out !~ /syntax\s+ok/i) {
return $out;
}
}
return undef;
}
# before_changing()
# If testing all changes, backup the config files so they can be reverted
# if necessary.
sub before_changing
{
if ($config{'test_always'} || $access{'test_always'}) {
local $conf = &get_config();
local @files = &unique(map { $_->{'file'} } @$conf);
local $/ = undef;
local $f;
foreach $f (@files) {
if (&open_readfile(BEFORE, $f)) {
$before_changing{$f} = <BEFORE>;
close(BEFORE);
}
}
}
}
# after_changing()
# If testing all changes, test now and revert the configs and show an error
# message if a problem was found.
sub after_changing
{
if ($config{'test_always'} || $access{'test_always'}) {
local $err = &test_config();
if ($err) {
# Something failed .. revert all files
&rollback_apache_config();
&error(&text('eafter', "<pre>$err</pre>"));
}
}
}
# rollback_apache_config()
# Copy back all config files from their originals
sub rollback_apache_config
{
local $f;
foreach $f (keys %before_changing) {
&open_tempfile(AFTER, ">$f");
&print_tempfile(AFTER, $before_changing{$f});
&close_tempfile(AFTER);
}
}
# find_httpd_conf()
# Returns the path to the http.conf file, and the last place looked
# (without any translation).
sub find_httpd_conf
{
local $conf = $config{'httpd_conf'};
return ( -f &translate_filename($conf) ? $conf : undef, $conf ) if ($conf);
$conf = "$config{'httpd_dir'}/conf/httpd.conf";
$conf = "$config{'httpd_dir'}/conf/httpd2.conf"
if (!-f &translate_filename($conf));
$conf = "$config{'httpd_dir'}/etc/httpd.conf"
if (!-f &translate_filename($conf));
$conf = "$config{'httpd_dir'}/etc/httpd2.conf"
if (!-f &translate_filename($conf));
$conf = undef if (!-f &translate_filename($conf));
return ( $conf, "$config{'httpd_dir'}/conf/httpd.conf" );
}
# find_httpd()
# Returns the path to the httpd executable, by appending '2' if necessary
sub find_httpd
{
return $config{'httpd_path'}
if (-x &translate_filename($config{'httpd_path'}) &&
!-d &translate_filename($config{'httpd_path'}));
return $config{'httpd_path'}.'2'
if (-x &translate_filename($config{'httpd_path'}.'2') &&
!-d &translate_filename($config{'httpd_path'}.'2'));
return undef;
}
# get_pid_file()
# Returns the path to the PID file (without any translation)
sub get_pid_file
{
return $config{'pid_file'} if ($config{'pid_file'});
local $conf = &get_config();
local $pidfilestr = &find_directive_struct("PidFile", $conf);
local $pidfile = $pidfilestr ? $pidfilestr->{'words'}->[0]
: "logs/httpd.pid";
return &server_root($pidfile, $conf);
}
# restart_apache()
# Re-starts Apache, and returns undef on success or an error message on failure
sub restart_apache
{
local $pidfile = &get_pid_file();
if ($config{'apply_cmd'} eq 'restart') {
# Call stop and start functions
local $err = &stop_apache();
return $err if ($err);
local $stopped = &wait_for_apache_stop();
local $err = &start_apache();
return $err if ($err);
}
elsif ($config{'apply_cmd'}) {
# Use the configured start command
&clean_environment();
local $out = &backquote_logged("$config{'apply_cmd'} 2>&1");
&reset_environment();
&wait_for_graceful() if ($config{'apply_cmd'} =~ /graceful/);
if ($?) {
return "<pre>".&html_escape($out)."</pre>";
}
}
elsif (-x &translate_filename($config{'apachectl_path'})) {
# Use apachectl to restart
if ($httpd_modules{'core'} >= 2) {
# Do a graceful restart
&clean_environment();
local $out = &backquote_logged(
"$config{'apachectl_path'} graceful 2>&1");
&reset_environment();
&wait_for_graceful();
if ($?) {
return "<pre>".&html_escape($out)."</pre>";
}
}
else {
&clean_environment();
local $out = &backquote_logged(
"$config{'apachectl_path'} restart 2>&1");
&reset_environment();
if ($out !~ /httpd restarted/) {
return "<pre>".&html_escape($out)."</pre>";
}
}
}
else {
# send SIGHUP directly
&open_readfile(PID, $pidfile) || return &text('restart_epid', $pidfile);
<PID> =~ /(\d+)/ || return &text('restart_epid2', $pidfile);
close(PID);
&kill_logged('HUP', $1) || return &text('restart_esig', $1);
&wait_for_graceful();
}
return undef;
}
# wait_for_graceful([timeout])
# Wait for some time for Apache to complete a graceful restart
sub wait_for_graceful
{
local $timeout = $_[0] || 10;
local $errorlog = &get_error_log();
return -1 if (!$errorlog || !-r $errorlog);
local @st = stat($errorlog);
my $start = time();
while(time() - $start < $timeout) {
sleep(1);
open(ERRORLOG, $errorlog);
seek(ERRORLOG, $st[7], 0);
local $/ = undef;
local $rest = <ERRORLOG>;
close(ERRORLOG);
if ($rest =~ /resuming\s+normal\s+operations/i) {
return 1;
}
}
return 0;
}
# stop_apache()
# Attempts to stop the running Apache process, and returns undef on success or
# an error message on failure
sub stop_apache
{
local $out;
if ($config{'stop_cmd'}) {
# use the configured stop command
$out = &backquote_logged("($config{'stop_cmd'}) 2>&1");
if ($?) {
return "<pre>".&html_escape($out)."</pre>";
}
}
elsif (-x $config{'apachectl_path'}) {
# use the apachectl program
$out = &backquote_logged("($config{'apachectl_path'} stop) 2>&1");
if ($httpd_modules{'core'} >= 2 ? $? : $out !~ /httpd stopped/) {
return "<pre>".&html_escape($out)."</pre>";
}
}
else {
# kill the process
$pidfile = &get_pid_file();
open(PID, $pidfile) || return &text('stop_epid', $pidfile);
<PID> =~ /(\d+)/ || return &text('stop_epid2', $pidfile);
close(PID);
&kill_logged('TERM', $1) || return &text('stop_esig', $1);
}
return undef;
}
# start_apache()
# Attempts to start Apache, and returns undef on success or an error message
# upon failure.
sub start_apache
{
local ($out, $cmd);
&clean_environment();
if ($config{'start_cmd'}) {
# use the configured start command
if ($config{'stop_cmd'}) {
# execute the stop command to clear lock files
&system_logged("($config{'stop_cmd'}) >/dev/null 2>&1");
}
$out = &backquote_logged("($config{'start_cmd'}) 2>&1");
&reset_environment();
if ($?) {
return "<pre>".&html_escape($out)."</pre>";
}
}
elsif (-x $config{'apachectl_path'}) {
# use the apachectl program
$cmd = "$config{'apachectl_path'} start";
$out = &backquote_logged("($cmd) 2>&1");
&reset_environment();
}
else {
# start manually
local $httpd = &find_httpd();
$cmd = "$httpd -d $config{'httpd_dir'}";
if ($config{'httpd_conf'}) {
$cmd .= " -f $config{'httpd_conf'}";
}
foreach $d (&get_httpd_defines()) {
$cmd .= " -D$d";
}
local $temp = &transname();
local $rv = &system_logged("( $cmd ) >$temp 2>&1 </dev/null");
$out = &read_file_contents($temp);
unlink($temp);
&reset_environment();
}
# Check if Apache may have failed to start
local $slept;
if ($out =~ /\S/ && $out !~ /httpd\s+started/i) {
sleep(3);
if (!&is_apache_running()) {
return "<pre>".&html_escape($cmd)." :\n".
&html_escape($out)."</pre>";
}
$slept = 1;
}
# check if startup was successful. Later apache version return no
# error code, but instead fail to start and write the reason to
# the error log file!
sleep(3) if (!$slept);
local $conf = &get_config();
if (!&is_apache_running()) {
# Not running.. find out why
local $errorlogstr = &find_directive_struct("ErrorLog", $conf);
local $errorlog = $errorlogstr ? $errorlogstr->{'words'}->[0]
: "logs/error_log";
if ($out =~ /\S/) {
return "$text{'start_eafter'} : <pre>$out</pre>";
}
elsif ($errorlog eq 'syslog' || $errorlog =~ /^\|/) {
return $text{'start_eunknown'};
}
else {
$errorlog = &server_root($errorlog, $conf);
$out = `tail -5 $errorlog`;
return "$text{'start_eafter'} : <pre>$out</pre>";
}
}
return undef;
}
# get_error_log()
# Returns the path to the global error log, if possible
sub get_error_log
{
local $conf = &get_config();
local $errorlogstr = &find_directive_struct("ErrorLog", $conf);
local $errorlog = $errorlogstr ? $errorlogstr->{'words'}->[0]
: "logs/error_log";
$errorlog = &server_root($errorlog, $conf);
return $errorlog;
}
sub is_apache_running
{
if ($gconfig{'os_type'} eq 'windows') {
# No such thing as a PID file on Windows
local ($pid) = &find_byname("Apache.exe");
return $pid;
}
else {
# Check PID file
local $pidfile = &get_pid_file();
return &check_pid_file($pidfile);
}
}
# wait_for_apache_stop([secs])
# Wait 30 (by default) seconds for Apache to stop. Returns 1 if OK, 0 if not
sub wait_for_apache_stop
{
local $secs = $_[0] || 30;
for(my $i=0; $i<$secs; $i++) {
return 1 if (!&is_apache_running());
sleep(1);
}
return 0;
}
# configurable_modules()
# Returns a list of Apaches that are compiled in or dynamically loaded, and
# supported by Webmin.
sub configurable_modules
{
local ($ver, $mods) = &httpd_info(&find_httpd());
local @rv;
local $m;
# Add compiled-in modules
foreach $m (@$mods) {
if (-r "$module_root_directory/$m.pl") {
push(@rv, $m);
}
}
# Add dynamically loaded modules
local $conf = &get_config();
foreach $l (&find_directive_struct("LoadModule", $conf)) {
if ($l->{'words'}->[1] =~ /(mod_\S+)\.(so|dll)/ &&
-r "$module_root_directory/$1.pl") {
push(@rv, $1);
}
elsif ($l->{'words'}->[1] =~ /libssl\.so/ &&
-r "$module_root_directory/mod_apachessl.pl") {
push(@rv, "mod_apachessl");
}
elsif ($l->{'words'}->[1] =~ /lib([^\/\s]+)\.(so|dll)/ &&
-r "$module_root_directory/mod_$1.pl") {
push(@rv, "mod_$1");
}
}
undef(@get_config_cache); # Cache is no longer valid
# Add dynamically loaded modules
&open_execute_command(APACHE, "$config{'apachectl_path'} -M 2>/dev/null", 1);
while(<APACHE>) {
if (/(\S+)_module/ && -r "$module_root_directory/mod_${1}.pl") {
push(@rv, "mod_${1}");
}
}
close(APACHE);
return &unique(@rv);
}
# get_httpd_defines(automatic-only)
# Returns a list of defines that need to be passed to Apache
sub get_httpd_defines
{
local ($auto) = @_;
if (@get_httpd_defines_cache) {
return @get_httpd_defines_cache;
}
local @rv;
if (!$auto) {
push(@rv, keys %httpd_defines);
}
if ($config{'defines_file'}) {
# Add defines from an environment file, which can be in
# the format :
# OPTIONS='-Dfoo -Dbar'
# or regular name=value format
local %def;
&read_env_file($config{'defines_file'}, \%def);
if ($config{'defines_name'} && $def{$config{'defines_name'}}) {
# Looking for var like OPTIONS='-Dfoo -Dbar'
local $var = $def{$config{'defines_name'}};
foreach my $v (split(/\s+/, $var)) {
if ($v =~ /^-[Dd](\S+)$/) {
push(@rv, $1);
}
else {
push(@rv, $v);
}
}
}
else {
# Looking for regular name=value directives.
# Remove $SUFFIX variable seen on debian that is computed
# dynamically, but is usually empty.
foreach my $k (keys %def) {
$def{$k} =~ s/\$SUFFIX//g;
push(@rv, $k."=".$def{$k});
}
}
}
foreach my $md (split(/\t+/, $config{'defines_mods'})) {
# Add HAVE_ defines from modules
opendir(DIR, $md);
while(my $m = readdir(DIR)) {
if ($m =~ /^(mod_|lib)(.*).so$/i) {
push(@rv, "HAVE_".uc($2));
}
}
closedir(DIR);
}
foreach my $d (split(/\s+/, $config{'defines'})) {
push(@rv, $d);
}
@get_httpd_defines_cache = @rv;
return @rv;
}
# create_webfile_link(file)
# Creates a link in the debian-style link directory for a new website's file
sub create_webfile_link
{
local ($file) = @_;
if ($config{'link_dir'}) {
local $short = $file;
$short =~ s/^.*\///;
local $linksrc = "$config{'link_dir'}/$short";
&lock_file($linksrc);
symlink($file, $linksrc);
&unlock_file($linksrc);
}
}
# delete_webfile_link(file)
# If the given path is in a directory like /etc/apache2/sites-available, delete
# the link to it from /etc/apache2/sites-enabled
sub delete_webfile_link
{
local ($file) = @_;
if ($config{'link_dir'}) {
local $short = $file;
$short =~ s/^.*\///;
opendir(LINKDIR, $config{'link_dir'});
foreach my $f (readdir(LINKDIR)) {
if ($f ne "." && $f ne ".." &&
(&resolve_links($config{'link_dir'}."/".$f) eq $file ||
$short eq $f)) {
&unlink_logged($config{'link_dir'}."/".$f);
}
}
closedir(LINKDIR);
}
}
# can_configure_apache_modules()
# Returns 1 if the distro has a way of selecting enabled Apache modules
sub can_configure_apache_modules
{
if ($gconfig{'os_type'} eq 'debian-linux') {
# Debian and Ubuntu use an /etc/apacheN/mods-enabled dir
return -d "$config{'httpd_dir'}/mods-enabled" &&
-d "$config{'httpd_dir'}/mods-available";
}
else {
return 0;
}
}
# list_configured_apache_modules()
# Returns a list of all Apache modules. Each is a hash containing a mod and
# enabled, disabled and available flags.
sub list_configured_apache_modules
{
if ($gconfig{'os_type'} eq 'debian-linux') {
# Find enabled modules
local @rv;
local $edir = "$config{'httpd_dir'}/mods-enabled";
opendir(EDIR, $edir);
foreach my $f (readdir(EDIR)) {
if ($f =~ /^(\S+)\.load$/) {
push(@rv, { 'mod' => $1, 'enabled' => 1 });
}
}
closedir(EDIR);
# Add available modules
local $adir = "$config{'httpd_dir'}/mods-available";
opendir(ADIR, $adir);
foreach my $f (readdir(ADIR)) {
if ($f =~ /^(\S+)\.load$/) {
local ($got) = grep { $_->{'mod'} eq $1 } @rv;
if (!$got) {
push(@rv, { 'mod' => $1, 'disabled' => 1 });
}
}
}
closedir(ADIR);
# XXX modules from apt-get
return sort { $a->{'mod'} cmp $b->{'mod'} } @rv;
}
else {
# Not supported
return ( );
}
}
# add_configured_apache_module(module)
# Updates the Apache configuration to use some module. Returns undef on success,
# or an error message on failure.
sub add_configured_apache_module
{
local ($mod) = @_;
if ($gconfig{'os_type'} eq 'debian-linux') {
# XXX download from apt-get ?
# Enable with a2enmod if installed
if (&has_command("a2enmod")) {
local $out = &backquote_logged(
"a2enmod ".quotemeta($mod)." 2>&1");
return $? ? $out : undef;
}
else {
# Fall back to creating links
local $adir = "$config{'httpd_dir'}/mods-available";
local $edir = "$config{'httpd_dir'}/mods-enabled";
opendir(ADIR, $adir);
foreach my $f (readdir(ADIR)) {
if ($f =~ /^\Q$mod->{'mod'}\E\./) {
&symlink_logged("$adir/$f", "$edir/$f") ||
return $!;
}
}
closedir(ADIR);
return undef;
}
}
else {
return "Operating system does not support Apache modules";
}
}
# remove_configured_apache_module(module)
# Updates the Apache configuration to stop using some module. Returns undef
# on success, or an error message on failure.
sub remove_configured_apache_module
{
local ($mod) = @_;
if ($gconfig{'os_type'} eq 'debian-linux') {
# Disable with a2dismod if installed
if (&has_command("a2dismod")) {
local $out = &backquote_logged(
"a2dismod ".quotemeta($mod)." 2>&1");
return $? ? $out : undef;
}
else {
# Fall back to removing links
local $edir = "$config{'httpd_dir'}/mods-enabled";
opendir(EDIR, $edir);
foreach my $f (readdir(EDIR)) {
if ($f =~ /^\Q$mod->{'mod'}\E\./) {
&unlink_logged("$edir/$f");
}
}
closedir(EDIR);
return undef;
}
}
else {
return "Operating system does not support Apache modules";
}
}
# is_virtualmin_domain(&virt)
# Returns the domain hash if some virtualhost is managed by Virtualmin
sub is_virtualmin_domain
{
local ($virt) = @_;
return 0 if ($config{'allow_virtualmin'});
local $n = &find_directive("ServerName", $virt->{'members'});
return undef if (!$n);
return undef if (!&foreign_check("virtual-server"));
&foreign_require("virtual-server");
local $d = &virtual_server::get_domain_by("dom", $n);
return $d if ($d);
$n =~ s/^www\.//i;
local $d = &virtual_server::get_domain_by("dom", $n);
return $d;
}
1;
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