/**************************************************************************
Sanity check packet
**************************************************************************/
bool packet_check(struct data_in *din, struct connection *pc)
{
size_t rem = dio_input_remaining(din);
if (rem > 0) {
int type, len;
dio_input_rewind(din);
dio_get_type(din, pc->packet_header.length, &len);
dio_get_type(din, pc->packet_header.type, &type);
log_packet("received long packet (type %d, len %d, rem %lu) from %s",
type,
len,
(unsigned long) rem,
conn_description (pc));
return FALSE;
}
return TRUE;
}
/**************************************************************************
...
**************************************************************************/
void check_packet(struct data_in *din, struct connection *pc)
{
size_t rem = dio_input_remaining(din);
if (din->bad_string || din->bad_bit_string || rem != 0) {
char from[MAX_LEN_ADDR + MAX_LEN_NAME + 128];
int type, len;
assert(pc != NULL);
my_snprintf(from, sizeof(from), " from %s", conn_description(pc));
dio_input_rewind(din);
dio_get_uint16(din, &len);
dio_get_uint8(din, &type);
if (din->bad_string) {
freelog(LOG_ERROR,
"received bad string in packet (type %d, len %d)%s",
type, len, from);
}
if (din->bad_bit_string) {
freelog(LOG_ERROR,
"received bad bit string in packet (type %d, len %d)%s",
type, len, from);
}
if (din->too_short) {
freelog(LOG_ERROR, "received short packet (type %d, len %d)%s",
type, len, from);
}
if (rem > 0) {
/* This may be ok, eg a packet from a newer version with extra info
* which we should just ignore */
freelog(LOG_VERBOSE,
"received long packet (type %d, len %d, rem %lu)%s", type,
len, (unsigned long)rem, from);
}
}
}
