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ultimate-vim/vim_plugin_candinates_src/cscope-15.8a/contrib/webcscope/cscope

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Perl
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#!/usr/bin/perl
# $Id: cscope,v 1.2 2007/01/07 12:34:01 broeker Exp $
#
# WebCscope: A web interface to the cscope application
# Copyright (C) 2001, Ragho Mahalingam <ragho@mahalingam.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Change History:
#
# $Log: cscope,v $
# Revision 1.2 2007/01/07 12:34:01 broeker
# Direct attention to security issues with webcscope.
#
# Revision 1.1 2001/06/29 14:20:16 petr
# Added webcscope to contribs.
#
# Revision 1.3.4.1 2001/02/05 15:14:34 rmahalin
# initial release with some bug fixes
#
# Revision 1.3.3.1 2001/01/22 22:21:23 rmahalin
# added multi-database support
# fixed cookie support for trivial functions; removed global trivials
# added syntax highlighting for files displayed on browser
#
# Revision 1.3.1.1 2001/01/11 22:17:30 rmahalin
# added direct download with mime-type 'text/c-source' and made cosmetic changes
#
# Revision 1.3 2001/01/11 21:36:39 rmahalin
# *** empty log message ***
#
# Revision 1.2 2001/01/11 21:34:13 rmahalin
# incorporated draft feedback changes
#
# Revision 1.1 2001/01/11 21:19:32 rmahalin
# Initial revision
#
require "cgi-lib.pl";
# current code version being used
$version = "iSOS 2.5/int16";
# full path to the cscope binary
$cscopecmd = "/usr/global/bin/cscope";
# cscope working directory, where all the in/out and db files are stored
$cscopedir = "/usr/local/cscope";
# trivial functions not to display, one per line in the trivs file
$trivs = "/usr/local/htdocs/cscope/trivials";
# temporary storage directory
$tmpdir = "/tmp";
$tmpinfile = $tmpdir . "/cscopein.$$";
$tmpoutfile = $tmpdir . "/cscopeout.$$";
$showfile = $tmpdir . "/showfile.$$";
# C syntax highlighting application or uncomment the line beneath to just cat
#$hiliter = "/bin/cat";
$hiliter = "/usr/local/cgi-bin/cscope/hilite";
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime(time+1000000);
$cookie_exp = sprintf("%s %02d-%s-%s %02d:%02d:%02d GMT", $wday, $mday, $mon, $year, $hour, $min, $sec);
# standard images, from the apache distribution
$img{openfile} = "/icons/folder.gif";
$img{downloadfile} = "/icons/folder.open.gif";
$img{csymbol} = "/icons/c.gif";
$img{upfunc} = "/icons/up.gif";
$img{downfunc} = "/icons/down.gif";
$img{globalfunc} = "/icons/world2.gif";
$img{trashfunc} = "/icons/bomb.gif";
$img{untrashfunc} = "/icons/back.gif";
$img{back} = "/icons/left.gif";
# feedback details
$comment{name} = "Ragho Mahalingam";
$comment{email} = "ragho\@mahalingam.com";
# operations allowed
@oper = ( "Find this C symbol",
"Find this global symbol",
"Find functions called by",
"Find functions calling",
"Find this text string",
"---------------------",
"Find this egrep pattern",
"Find this file",
"Find files #including this file" );
# -- removed global trivial function list in favor of customized trivials
#open(TRIVIAL_FUNC, $trivs);
#@trivial = <TRIVIAL_FUNC>;
#close(TRIVIAL_FUNC);
@trivial = ();
MAIN:
{
$starttime = time;
if (&ReadParse(*input)) {
&ProcessCookie;
&ProcessForm;
} else {
&PrintForm;
}
}
sub ProcessCookie {
if ( defined $ENV{HTTP_COOKIE} ) {
($var, $val) = split('=',$ENV{HTTP_COOKIE});
$Cookie{$var} = $val;
if ( defined $Cookie{'cs-trivf'} ) {
# do nothing, else initialize it to null
} else {
$Cookie{'cs-trivf'} = "defined";
}
@loc_trivial = split(',', $Cookie{'cs-trivf'});
@trivial = ( @loc_trivial );
}
}
sub ProcessTrashForm {
if ( defined $input{'trash'} ) {
@trivial = (@trivial, $input{'func'});
} else {
@tmptriv = ();
for ($i=0; $i <= $#trivial; $i++) {
$fhash = unpack('H*', $input{'func'});
$thash = unpack('H*', $trivial[$i]);
if ( $fhash != $thash ) {
@tmptriv = ( @tmptriv, $trivial[$i] );
}
}
@trivial = @tmptriv;
}
$Cookie{'cs-trivf'} = join(',',@trivial);
print "Content-type: text/html\n";
print "Set-Cookie: cs-trivf=$Cookie{'cs-trivf'}; path=$ENV{SCRIPT_NAME}; expires $cookie_exp\n\n";
print &HtmlTop("Your WebCScope Trivial Functions");
print "<ul>";
for ($i=0; $i <= $#trivial; $i++) {
print "<li><a href=\"$ENV{SCRIPT_NAME}?untrash=&func=$trivial[$i]\"><img src=$img{untrashfunc} border=0></a>&nbsp; $trivial[$i]";
}
print "</ul><hr>\n";
print "Click <a href=\"#\" onClick=\"history.back();\"><img src=$img{back} border=0></a> to go back.\n";
print &HtmlBot;
}
sub ProcessForm {
chdir $cscopedir;
opendir(DIRLIST,$cscopedir);
@dirlist = readdir(DIRLIST);
closedir(DIRLIST);
if ( $input{'db'} eq "all" ) {
@csdirs = ();
for ($i=0; $i <= $#dirlist; $i++ ) {
if ( ($dirlist[$i] ne ".") && ($dirlist[$i] ne "..") && ( -d $dirlist[$i] ) ) {
@csdirs = ( @csdirs, $dirlist[$i] );
}
}
} else {
@csdirs = ( $input{'db'} );
}
$op = $input{'op'};
$arg = $input{'arg'};
$shtriv = $input{'triv'};
$db = $input{'db'};
if ( defined $input{'fshow'} ) { &ShowFileForm; exit; }
if ( defined $input{'load'} ) { &DownloadFileForm; exit; }
if ( (defined $input{'trash'}) || (defined $input{'untrash'}) ) {
&ProcessTrashForm; exit; }
print &PrintHeader;
print &HtmlTop ("WebCscope");
print <<ENDOFHDR;
<h3>Instructions</h3><p>
<ul>
<li><img src=$img{csymbol}> will find a symbol with this name<br>
<li><img src=$img{upfunc}> will find functions <i>calling</i> this function<br>
<li><img src=$img{downfunc}> will find functions <i>called</i> by this
function<br>
<li><img src=$img{globalfunc}> will locate a global definition of this name<br>
<li><img src=$img{openfile}> will display this file and highlight
the fragment line<br>
<li><img src=$img{downloadfile}> will download this file with mimetype "text/c-source"<br>
<li><img src=$img{trashfunc}> will add this symbol/function to your trivial list<br>
</ul>
<p><hr>
ENDOFHDR
foreach $index ( 0 .. $#csdirs ) {
unlink $tmpinfile, $tmpoutfile;
open(CSCOPEIN, ">$tmpinfile");
print CSCOPEIN "$op$arg\n";
print CSCOPEIN "exit\n";
close(CSCOPEIN);
$dbdir = $cscopedir . "/" . $csdirs[$index];
chdir($dbdir);
$syscmd = "cd $dbdir; $cscopecmd -d -l < $tmpinfile > $tmpoutfile;";
system($syscmd);
$count = 1;
open(CSCOPEIN, "$tmpoutfile");
$line = <CSCOPEIN>;
@temp = split(' ',$line);
$numresult = $temp[2];
print <<ENDOFHDRs;
<h2>Search Results from <b>$csdirs[$index]</b></h2>
<font size=+1>$oper[$op]: <b>$arg</b></font><br>
Matches: $numresult<p>
<table border=1 cellpadding=2 cellspacing=2>
<tr><td><b>Num</b></td><td><b>File</b></td><td><b>Function</b></td>
<td><b>Line</b></td><td><b>Fragment</b></td></tr>
ENDOFHDRs
$trivs_rm = 0;
for ($i=0; $i < $numresult; $i++ ) {
$line = <CSCOPEIN>;
@fields = split(' ',$line);
$file = shift @fields;
$fshowfile = $file;
$func = shift @fields;
$lnum = shift @fields;
@filef = split('/',$file);
$file = $filef[$#filef];
$frag = join(' ',@fields);
if ( ! $shtriv ) {
for ( $j=0; $j <= $#trivial; $j++ )
{
$fhash = unpack('H*', $func);
$thash = unpack('H*', $trivial[$j]);
if ( $fhash == $thash ) { $trivs_rm++; goto done; }
}
}
if ( $func ne "<global>" && $func ne "<unknown>" ) {
print <<ENDOFBODY1;
<tr><td>$count</td>
<td><a href="$ENV{SCRIPT_NAME}?fshow=1&fshowfile=$fshowfile&line=$lnum&db=$db">
<img src=$img{openfile} border=0></a> $file
<a href="$ENV{SCRIPT_NAME}?load=1&file=$fshowfile&db=$db">
<img src=$img{downloadfile} border=0></a>
</td>
<td><a href="$ENV{SCRIPT_NAME}?op=0&triv=$shtriv&arg=$func&db=$db">
<img src=$img{csymbol} border=0></a>
<a href="$ENV{SCRIPT_NAME}?op=3&triv=$shtriv&arg=$func&db=$db">
<img src=$img{upfunc} border=0></a>
$func
<a href="$ENV{SCRIPT_NAME}?op=2&triv=$shtriv&arg=$func&db=$db">
<img src=$img{downfunc} border=0></a>
<a href="$ENV{SCRIPT_NAME}?op=1&triv=$shtriv&arg=$func&db=$db">
<img src=$img{globalfunc} border=0></a>
<a href="$ENV{SCRIPT_NAME}?trash=&func=$func&db=$db">
<img src=$img{trashfunc} border=0></a>
</td>
<td>$lnum</td>
<td>$frag</td></tr>
ENDOFBODY1
} else {
$func =~ tr/<>/[]/;
print <<ENDOFBODY2;
<tr><td>$count</td>
<td><a href="$ENV{SCRIPT_NAME}?fshow=1&fshowfile=$fshowfile&line=$lnum&db=$db">
<img src=$img{openfile} border=0></a> $file
<a href="$ENV{SCRIPT_NAME}?load=1&file=$fshowfile&db=$db">
<img src=$img{downloadfile} border=0></a>
</td>
<td>$func</td>
<td>$lnum</td>
<td><$frag</td></tr>
ENDOFBODY2
}
$count++;
done:
}
close(CSCOPEIN);
print "</table>\n";
print "<br>Eliminated $trivs_rm line item(s) as trivial functions<p><hr>\n";
unlink $tmpinfile, $tmpoutfile;
}
print &OperationTime;
print &Feedback;
print &HtmlBot;
}
sub DownloadFileForm {
$file = $input{'file'};
print "Content-type: text/c-source\n\n";
open(SHOWFILE, $file);
while (<SHOWFILE>) { print; }
close(SHOWFILE);
}
sub ShowFileForm {
$file = $input{'fshowfile'};
$lnum = $input{'line'};
print &PrintHeader;
print &HtmlTop ("WebCscope");
print "<b>Note</b>: Click <a href=#ref><img src=$img{downfunc} border=0></a> to go to the reference line<p><hr>\n";
print "<hr>";
unlink $showfile;
system("$hiliter $file > $showfile");
open(SHOWFILE, $showfile);
$curline = 1;
while ( <SHOWFILE> ) {
$line = $_;
if ( $curline == $lnum ) {
print "<a name=ref><blink>$line</blink>";
} else {
print $line;
}
$curline++;
}
close (SHOWFILE);
print &OperationTime;
print &Feedback;
print &HtmlBot;
}
sub PrintForm {
chdir $cscopedir;
opendir(DIRLIST,$cscopedir);
@dirlist = readdir(DIRLIST);
closedir(DIRLIST);
@csdirs = ();
for ($i=0; $i <= $#dirlist; $i++ ) {
if ( ($dirlist[$i] ne ".") && ($dirlist[$i] ne "..") && ( -d $dirlist[$i] ) ) {
@csdirs = ( @csdirs, $dirlist[$i] );
}
}
print &PrintHeader;
print &HtmlTop ("Web-CScope");
print <<ENDOFTEXTA;
<p style="color:red">Be aware that this webfrontend is insecure and allows viewing ALL apache readable files, including your configuration!</p>
Select an operation below and enter a symbol, function or text to search in
the database. The active version is $version. Input is case-sensitive,
so if your search returns no results, check the case and the symbol name.<hr>
<form method="get" action="$ENV{SCRIPT_NAME}">
<table border=0 cellpadding=2 cellspacing=2>
<tr>
<td>Operation:</td>
<td>
<select name="op">
ENDOFTEXTA
foreach $opi ( 0 .. $#oper ) {
print "<option value=$opi>$oper[$opi]";
}
print <<ENDOFTEXTB;
</select>
</td>
</tr>
<tr>
<td>CScope Database:</td>
<td>
<select name="db">
<option selected value="all">All Databases
ENDOFTEXTB
for ($i=0; $i <= $#csdirs; $i++) {
print " <option value=\"$csdirs[$i]\">$csdirs[$i]\n";
}
print <<ENDOFTEXT2;
</select>
<tr>
<td>Symbol, function or text:</td>
<td><input name="arg" size=30></td>
</tr>
<tr>
<td></td>
<td halign=center>Show trivial functions:
<input type=radio name="triv" value=1>Yes
<input type=radio name="triv" value=0 checked>No
<br><br>
<input type="submit" value="Scope It!"></td>
</tr>
</table>
<hr>
</form>
ENDOFTEXT2
print &Feedback;
print &HtmlBot;
}
sub Feedback {
$feedback = "<font size=-1>";
$feedback .= '$Id: cscope,v 1.2 2007/01/07 12:34:01 broeker Exp $<br>';
$feedback .= "$comment{name}<i>&lt;";
$feedback .= "<a href=\"mailto:$comment{email}\">";
$feedback .= "$comment{email}</a>&gt;</i></font>";
return $feedback;
}
sub OperationTime {
$deltime = time - $starttime;
return "Operation took $deltime second(s)<br>";
}
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