static int friendreq_handlepacket(void *object, uint8_t *source_pubkey, uint8_t *packet, uint32_t length)
{
if (length == 0)
return 1;
++packet;
--length;
Friend_Requests *fr = object;
if (fr->handle_friendrequest_isset == 0)
return 1;
if (length <= sizeof(fr->nospam))
return 1;
if (request_received(fr, source_pubkey))
return 1;
if (memcmp(packet, &fr->nospam, sizeof(fr->nospam)) != 0)
return 1;
if (fr->filter_function)
if ((*fr->filter_function)(source_pubkey, fr->filter_function_userdata) != 0)
return 1;
addto_receivedlist(fr, source_pubkey);
packet[length - 1] = 0; /* Force NULL terminator. */
(*fr->handle_friendrequest)(source_pubkey, packet + 4, length - 4, fr->handle_friendrequest_userdata);
return 0;
}
static int friendreq_handlepacket(IP_Port source, uint8_t * packet, uint32_t length)
{
if (packet[0] == 32) {
if (length <= crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING ||
length > MAX_DATA_SIZE + ENCRYPTION_PADDING)
return 1;
if (memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0) {// check if request is for us.
if (handle_friendrequest_isset == 0)
return 1;
uint8_t public_key[crypto_box_PUBLICKEYBYTES];
uint8_t data[MAX_DATA_SIZE];
int len = handle_request(public_key, data, packet, length);
if (len == -1)
return 1;
if (request_received(public_key))
return 1;
addto_receivedlist(public_key);
(*handle_friendrequest)(public_key, data, len);
} else { /* if request is not for us, try routing it. */
if(route_packet(packet + 1, packet, length) == length)
return 0;
}
}
return 1;
}
static int friendreq_handlepacket(void *object, IP_Port source, uint8_t *source_pubkey, uint8_t *packet,
uint32_t length)
{
Friend_Requests *fr = object;
if (fr->handle_friendrequest_isset == 0)
return 1;
if (length <= sizeof(fr->nospam))
return 1;
if (request_received(fr, source_pubkey))
return 1;
if (memcmp(packet, &fr->nospam, sizeof(fr->nospam)) != 0)
return 1;
addto_receivedlist(fr, source_pubkey);
(*fr->handle_friendrequest)(source_pubkey, packet + 4, length - 4, fr->handle_friendrequest_userdata);
return 0;
}
static int friendreq_handlepacket(void *object, const uint8_t *source_pubkey, const uint8_t *packet, uint16_t length,
void *userdata)
{
Friend_Requests *fr = (Friend_Requests *)object;
if (length <= 1 + sizeof(fr->nospam) || length > ONION_CLIENT_MAX_DATA_SIZE) {
return 1;
}
++packet;
--length;
if (fr->handle_friendrequest_isset == 0) {
return 1;
}
if (request_received(fr, source_pubkey)) {
return 1;
}
if (memcmp(packet, &fr->nospam, sizeof(fr->nospam)) != 0) {
return 1;
}
if (fr->filter_function) {
if ((*fr->filter_function)(source_pubkey, fr->filter_function_userdata) != 0) {
return 1;
}
}
addto_receivedlist(fr, source_pubkey);
uint32_t message_len = length - sizeof(fr->nospam);
uint8_t message[message_len + 1];
memcpy(message, packet + sizeof(fr->nospam), message_len);
message[sizeof(message) - 1] = 0; /* Be sure the message is null terminated. */
(*fr->handle_friendrequest)(fr->handle_friendrequest_object, source_pubkey, message, message_len, userdata);
return 0;
}
