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//----------------------------------------------------------------------------
// Very basic CGI server for kdehelp
//
// This module implements only a fraction of the functionality required
// by a CGI server. It is really only meant for help searches currently.
//
// Only a fraction of expected env. variables set
// Lots of other shortcomings
//
// Copyright (c) Martin R. Jones 1997
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <kurl.h>
#include <kapp.h>
#include "cgi.h"
#include "cgi.moc"
#include <kmisc.h>
#include <klocale.h>
KCGI::KCGI()
{
query = "";
script = "";
pathInfo = "";
scriptPID = 0;
connect( &timer, SIGNAL( timeout() ), SLOT( checkScript() ) );
}
bool KCGI::get( const char *_url, const char *_dest, const char *_method )
{
method = _method;
method = method.upper();
QString u = _url;
// extract query
int qPos = u.find( '?' );
if ( qPos > 0 )
query = u.right( u.length() - qPos - 1 );
// extract script
int scriptPos = u.find( "/cgi-bin" );
if ( scriptPos < 0 )
return false;
if ( qPos > 0 )
script = u.mid( scriptPos, qPos - scriptPos );
else
script = u.right( u.length() - scriptPos );
// extract path info
int pathPos = script.find( '/', 9 );
if ( pathPos >= 0 )
{
pathInfo = script.right( script.length() - pathPos - 1 );
script.truncate( pathPos );
}
/*
printf( "Script: %s\n", script.data() );
printf( "Query: %s\n", query.data() );
printf( "Path Info: %s\n", pathInfo.data() );
*/
KURL url( _dest );
if ( url.isMalformed() )
{
printf( klocale->translate("CGI: Destination URL malformed: %s\n"),
_dest );
return false;
}
destFile = url.path();
return runScript();
}
bool KCGI::runScript()
{
QString command;
if (!strncmp(script.data(), "/cgi-bin", 8))
command = KApplication::kde_cgidir() + script.right(script.length() - 8);
else
command = KApplication::kde_cgidir() + script;
command += " > " + destFile;
if ( ( scriptPID = fork() ) == 0 )
{
QString tmp;
if ( method == "GET" )
setenv( "QUERY_STRING", query.data(), TRUE );
setenv( "PATH_INFO", pathInfo.data(), TRUE );
// printf( "Running: %s\n", command.data() );
FILE *fp = popen( command, "w" );
if ( fp == NULL )
{
fp = fopen( destFile, "w" );
if ( fp )
{
fprintf( fp, "<HTML><HEAD><TITLE>Error 404</TITLE></HEAD>" );
fprintf( fp, "<BODY><h2>Error 404</h2>" );
fprintf( fp, "URL not found</BODY></HTML>" );
fclose( fp );
}
}
else
{
if ( method == "POST" )
fputs( query, fp );
pclose( fp );
}
exit(0);
}
timer.start( 250 );
return true;
}
void KCGI::checkScript()
{
int status;
if ( waitpid( scriptPID, &status, WNOHANG ) != 0 )
{
timer.stop();
scriptPID = 0;
emit finished();
}
}
KCGI::~KCGI()
{
if ( scriptPID > 0 )
kill( scriptPID, SIGKILL );
}
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