int main(int argc , char *argv[]){
unsigned char* my_id=(unsigned char*)DEFAULT_ID_SERVER;
unsigned char *session_key=NULL;
unsigned char *secret=NULL;
int secret_size;
int key_size;
int block_size;
//initialization of variables
enc_inizialization(&secret_size, &key_size, &block_size);
//Check on command line inputs
//In case of second argument is 2,then set the second value as a ID server
if(argc==2) my_id=(unsigned char*)argv[1];
int socket_desc , client_sock , c;
struct sockaddr_in server , client;
int socket_dest=0;
//The secret actually must be retrived from an ecrypted file
secret=calloc(secret_size, sizeof(unsigned char));
session_key=calloc(key_size, sizeof(unsigned char));
secret=retrieve_secret(NULL,secret_size);
socket_desc = socket(AF_INET , SOCK_STREAM , 0);
if (socket_desc == -1){
fprintf(stderr,"Could not create socket");
}
puts("Socket created");
//Prepare the sockaddr_in structure
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons( PORT_NUMBER );
int optval=1;
setsockopt(socket_desc, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
//Bind
if( bind(socket_desc,(struct sockaddr *)&server , sizeof(server)) < 0){
perror("bind failed. Error");
return 1;
}
puts("Bind done");
//Listen
if(socket_dest<0) return -1;
listen(socket_desc , 3);
//Accept and incoming connection
puts("Waiting for incoming connections...");
c = sizeof(struct sockaddr_in);
//accept connection from an incoming client
client_sock = accept(socket_desc, (struct sockaddr *)&client, (socklen_t*)&c);
if (client_sock < 0){
perror("accept failed");
return 1;
}
fprintf(stderr,"Connection accepted");
session_key=protocol_server(client_sock, my_id,secret, secret_size, block_size,key_size);
fprintf(stderr,"\nStart Session\n");
session_server(client_sock, block_size, session_key, key_size);
return 0;
}
int make_session(ne_session **sess, server_fn fn, void *ud)
{
return session_server(sess, fn, ud);
}
