C++ (Cpp) raw_packet Beispiele

Beispiel #1

Datei: serverpacket.c Projekt: antonywcl/AR-5315u_PLD

/* send a packet to a specific arp address and ip address by creating our own ip packet */
static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcast)
{
        u_int32_t ciaddr;
        char chaddr[6];
        
        if (force_broadcast) {
                DEBUG(LOG_INFO, "broadcasting packet to client (NAK)");
                ciaddr = INADDR_BROADCAST;
                memcpy(chaddr, MAC_BCAST_ADDR, 6);              
        } else if (payload->ciaddr) {
                DEBUG(LOG_INFO, "unicasting packet to client ciaddr");
                ciaddr = payload->ciaddr;
                memcpy(chaddr, payload->chaddr, 6);
        } else if (ntohs(payload->flags) & BROADCAST_FLAG) {
                DEBUG(LOG_INFO, "broadcasting packet to client (requested)");
                ciaddr = INADDR_BROADCAST;
                memcpy(chaddr, MAC_BCAST_ADDR, 6);              
        } else {
                DEBUG(LOG_INFO, "unicasting packet to client yiaddr");
                ciaddr = payload->yiaddr;
                memcpy(chaddr, payload->chaddr, 6);
        }
        return raw_packet(payload, cur_iface->server, SERVER_PORT, 
                        ciaddr, CLIENT_PORT, chaddr, cur_iface->ifindex);
}

Beispiel #2

Datei: serverpacket.c Projekt: diguokaituozhe/XR871

/* send a packet to a specific arp address and ip address by creating our own ip packet */
static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcast)
{
	unsigned char *chaddr;
	u_int32_t ciaddr;

	if (force_broadcast) {
		DEBUG(LOG_INFO, "broadcasting packet to client (NAK)");
		ciaddr = INADDR_BROADCAST;
		chaddr = MAC_BCAST_ADDR;
	} else if (payload->ciaddr) {
		DEBUG(LOG_INFO, "unicasting packet to client ciaddr");
		ciaddr = payload->ciaddr;
		chaddr = payload->chaddr;
	} else if (ntohs(payload->flags) & BROADCAST_FLAG) {
		DEBUG(LOG_INFO, "broadcasting packet to client (requested)");
		ciaddr = INADDR_BROADCAST;
		chaddr = MAC_BCAST_ADDR;
	} else {
		DEBUG(LOG_INFO, "unicasting packet to client yiaddr");
		ciaddr = payload->yiaddr;
		chaddr = payload->chaddr;
	}
	return raw_packet(payload, server_config.server, SERVER_PORT,
			ciaddr, CLIENT_PORT, chaddr, server_config.ifindex);
}

Beispiel #3

Datei: serverpacket.c Projekt: earthGavinLee/hg556a_source

/* send a packet to a specific arp address and ip address by creating our own ip packet */
static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcast)
{
	u_int32_t ciaddr;
	char chaddr[6];
	
	if (force_broadcast) {
		DEBUG(LOG_INFO, "broadcasting packet to client (NAK)");
		ciaddr = INADDR_BROADCAST;
		memcpy(chaddr, MAC_BCAST_ADDR, 6);		
	} else if (payload->ciaddr) {
		DEBUG(LOG_INFO, "unicasting packet to client ciaddr");
		ciaddr = payload->ciaddr;
		memcpy(chaddr, payload->chaddr, 6);
	} else if (ntohs(payload->flags) & BROADCAST_FLAG) {
		DEBUG(LOG_INFO, "broadcasting packet to client (requested)");
		ciaddr = INADDR_BROADCAST;
		memcpy(chaddr, MAC_BCAST_ADDR, 6);		
	} else {
		DEBUG(LOG_INFO, "unicasting packet to client yiaddr");
        /*w44771 modify for A36D02260, 应该广播ack报文，begin, 2006-7-7*/
        //ciaddr = payload->yiaddr;
		ciaddr = INADDR_BROADCAST;        
	    /*w44771 modify for A36D02260, 应该广播ack报文，end, 2006-7-7*/

		memcpy(chaddr, payload->chaddr, 6);
	}
	return raw_packet(payload, server_config.server, SERVER_PORT, 
			ciaddr, CLIENT_PORT, chaddr, server_config.ifindex);
}