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|
#!/usr/bin/perl
# TODO: We need to make this more resilient
# currently expects args without enforcing
$FIL = $NAM = $SEC = @ARGV[0];
$NAM =~ s/^([^.]+)\..+$/$1/;
$SEC =~ s/^.+\.([^.]+)$/$1/;
$command = "groff";
@args = split(" ", "-Tascii -mdoc $FIL");
$enable_include_links = 0;
man($NAM, $SEC);
sub man {
local($name, $section) = @_;
local($_, $title, $head, *MAN);
local($html_name, $html_section, $prefix);
local(@manargs);
local($query) = $name;
# $section =~ s/^([0-9ln]).*$/$1/;
$section =~ tr/A-Z/a-z/;
$prefix = "Man ";
if ($alttitle) {
$prefix = "";
$title = &encode_title($alttitle);
$head = &encode_data($alttitle);
} elsif ($section) {
$title = &encode_title("${name}($section)");
$head = &encode_data("${name}($section)");
} else {
$title = &encode_title("${name}");
$head = &encode_data("${name}");
}
print &html_header("$title");
print "<H1>Man Page: ${title}</H1>";
print "<PRE>\n";
$html_name = &encode_data($name);
$html_section = &encode_data($section);
#print Dumper($sectionpath);
#print "yy $section yy $manpath\n";
if ($name =~ /^\s*$/) {
print "Empty input, no man page given.\n";
return;
}
if (index($name, '*') != -1) {
print "Invalid character input '*': $name\n";
return;
}
if ($section !~ /^[0-9ln]\w*$/ && $section ne '') {
print "Sorry, section `$section' is not valid\n";
return;
}
if (!$section) {
if ($sectionpath->{$manpath}) {
$section = "-S " . $sectionpath->{$manpath}{'path'};
} else {
$section = '';
}
} else {
if ($sectionpath->{$manpath}{$section}) {
$section = "-S " . $sectionpath->{$manpath}{$section};
} else {
$section = "-S $section";
}
}
# print "X $command{'man'} @manargs -- x $name x\n";
&proc(*MAN, $command, @args) ||
&mydie ("$0: open of $command{'man'} command failed: $!\n");
if (eof(MAN)) {
# print "X $command{'man'} @manargs -- x $name x\n";
print "Sorry, no data found for `$html_name" .
($html_section ? "($html_section)": '') . "'.\n";
return;
}
local($space) = 1;
local(@sect);
local($i, $j);
while(<MAN>) {
# remove tailing white space
if (/^\s+$/) {
next if $space;
$space = 1;
} else {
$space = 0;
}
$_ = &encode_data($_);
if($enable_include_links &&
m,(<B>)?\#include(</B>)?\s+(<B>)?\<\;(.*\.h)\>\;(</B>)?,) {
$match = $4; ($regexp = $match) =~ s/\./\\\./;
s,$regexp,\<A HREF=\"$BASE/usr/include/$match\"\>$match\</A\>,;
}
/^\s/ && # skip headers
s,((<[IB]>)?[\w\_\.\-]+\s*(</[IB]>)?\s*\(([1-9ln][a-zA-Z]*)\)),&mlnk($1),oige;
# detect E-Mail Addreses in manpages
if (/\@/) {
s/([a-z0-9_\-\.]+\@[a-z0-9\-\.]+\.[a-z]+)/<A HREF="mailto:$1">$1<\/A>/gi;
}
# detect URLs in manpages
if (m%tp://%) {
s,((ftp|http)://[^\s<>\)]+),<A HREF="$1">$1</A>,gi;
}
if (/^<B>\S+/ && m%^<B>([^<]+)%) {
$i = $1; $j = &encode_url($i);
s%^<B>([^<]+)</B>%<B>$i</B>%;
push(@sect, $1);
}
print;
}
close(MAN);
print "</PRE>\n";
print "<H6> [ <a href='./'>back</a> | <a href='../../'>home</a> ]</h6>";
print "</BODY>\n";
print "</HTML>\n";
# Sleep 0.35 seconds to avoid DoS attacs
select undef, undef, undef, 0.35;
}
# encode unknown data for use in <TITLE>...</TITILE>
sub encode_title {
# like encode_url but less strict (I couldn't find docs on this)
local($_) = @_;
s/([\000-\031\%\&\<\>\177-\377])/sprintf('%%%02x',ord($1))/eg;
$_;
}
# encode unknown data for use in a URL <A HREF="...">
sub encode_url {
local($_) = @_;
# rfc1738 says that ";"|"/"|"?"|":"|"@"|"&"|"=" may be reserved.
# And % is the escape character so we escape it along with
# single-quote('), double-quote("), grave accent(`), less than(<),
# greater than(>), and non-US-ASCII characters (binary data),
# and white space. Whew.
s/([\000-\032\;\/\?\:\@\&\=\%\'\"\`\<\>\177-\377 ])/sprintf('%%%02x',ord($1))/eg;
s/%20/+/g;
$_;
}
# encode unknown data for use inside markup attributes <MARKUP ATTR="...">
sub encode_attribute {
# rfc1738 says to use entity references here
local($_) = @_;
s/([\000-\031\"\'\`\%\&\<\>\177-\377])/sprintf('\&#%03d;',ord($1))/eg;
$_;
}
# encode unknown text data for using as HTML,
# treats ^H as overstrike ala nroff.
sub encode_data {
local($_) = @_;
local($str);
# Escape &, < and >
s,\010[><&],,g;
s/\&/\&\;/g;
s/\</\<\;/g;
s/\>/\>\;/g;
s,((_\010.)+),($str = $1) =~ s/.\010//g; "<I>$str</I>";,ge;
s,(.\010)+,$1,g;
if (!s,((.\010.)+\s+(.\010.)+),($str = $1) =~ s/.\010//g; "<B>$str</B>";,ge) {
s,((.\010.)+),($str = $1) =~ s/.\010//g; "<B>$str</B>";,ge;
}
s,.\010,,g;
$_;
}
sub html_header {
return qq{<HTML>
<HEAD>
<TITLE>$_[0]</TITLE>
<link rev="made" href="mailto:wosch\@FreeBSD.ORG">
<META name="robots" content="nofollow">
<meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type">
<link rel="stylesheet" type="text/css" href="/swalter/style.css">
</HEAD>
<BODY BGCOLOR="#FFFFFF" TEXT="#000000">\n\n};
}
sub mlnk {
local($matched) = @_;
return qq{<U>$matched</U>};
}
sub proc {
local(*FH, $prog, @args) = @_;
local($pid) = open(FH, "-|");
return undef unless defined($pid);
if ($pid == 0) {
exec $prog, @args;
&mydie("exec $prog failed\n");
}
1;
}
# CGI script must die with error status 0
sub mydie {
local($message) = @_;
print &html_header("Error");
print $message;
print qq{
<p>
<A HREF="$BASE">Index Page and Help</A>
</BODY>
</HTML>
};
exit(0);
}
|
