/***************************************************************************
description
-------------------
author : (C) 2004 by Michael J. Flickinger
email : mjflick@cpan.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/wait.h>
#include <signal.h>
#define BLOG 10
char *header = "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n";
char recvin[500], password[25];
int s_port;
void sigchld_handler (int s)
{
while (wait (NULL) > 0);
}
int main (int argc, char **argv)
{
if (argc < 3)
{
printf ("eAthena Web Server\n");
printf ("usage: %s [password] [port]\n", argv[0]);
exit (0);
}
s_port = atoi (argv[2]);
if ((s_port < 1) || (s_port > 65534))
{
printf ("Error: The port you choose is not valid port.\n");
exit (0);
}
if (strlen (argv[1]) > 25)
{
printf ("Error: Your password is too long.\n");
printf ("It must be shorter than 25 characters.\n");
exit (0);
}
memset (password, 0x0, 25);
memcpy (password, argv[1], strlen (argv[1]));
int sockfd, new_fd;
struct sockaddr_in my_addr;
struct sockaddr_in their_addr;
int sin_size;
struct sigaction sa;
int yes = 1;
if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) == -1)
{
perror ("Darn, this is broken.");
exit (0);
}
if (setsockopt (sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof (int)) ==
-1)
{
perror ("Error... :-(");
}
//Now we know we have a working socket. :-)
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons (s_port);
my_addr.sin_addr.s_addr = INADDR_ANY;
memset (&(my_addr.sin_zero), '\0', 8);
if (bind (sockfd, (struct sockaddr *) &my_addr, sizeof (struct sockaddr))
== -1)
{
perror ("can not bind to this port");
exit (0);
}
if (listen (sockfd, BLOG) == -1)
{
perror ("can not listen on port");
exit (0);
}
sa.sa_handler = sigchld_handler;
sigemptyset (&sa.sa_mask);
sa.sa_flags = SA_RESTART;
if (sigaction (SIGCHLD, &sa, NULL) == -1)
{
perror ("sigaction sucks");
exit (0);
}
printf ("The eAthena webserver is up and listening on port %i.\n",
s_port);
while (1)
{
sin_size = sizeof (struct sockaddr_in);
new_fd = accept (sockfd, (struct sockaddr *) &their_addr, &sin_size);
if (!fork ())
{
close (sockfd);
memset (recvin, 0x0, 500);
recv (new_fd, recvin, 500, 0);
send (new_fd, header, strlen (header), 0);
generate_page (password, new_fd, get_query (recvin),
inet_ntoa (their_addr.sin_addr));
log_visit (get_query (recvin), inet_ntoa (their_addr.sin_addr));
close (new_fd);
exit (0);
}
close (new_fd);
}
return 0;
}
