diff options
Diffstat (limited to 'man2html.pl')
| -rwxr-xr-x | man2html.pl | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/man2html.pl b/man2html.pl new file mode 100755 index 0000000..cddb184 --- /dev/null +++ b/man2html.pl @@ -0,0 +1,230 @@ +#!/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, $1); + } + print; + } + close(MAN); + + print "<H6> [ <a href='./'>back</a> | <a href='../../'>home</a> ]</h6>"; + print "</BODY>\n"; + print "</HTML>\n"; + + # Sleep 0.35 seconds to avoid DoS attacs + select undef, undef, undef, 0.35; +} + +# encode unknown data for use in <TITLE>...</TITILE> +sub encode_title { + # like encode_url but less strict (I couldn't find docs on this) + local($_) = @_; + 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); +} |