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/***************************************************************************
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;
}
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