}
/* Expect a CJcf message (ASN.1 PER) */
-static BOOL
-mcs_recv_cjcf(void)
+static void
+mcs_send_cjcf(uint16 userid, uint16 chanid)
{
- uint8 opcode, result;
STREAM s;
- s = iso_recv();
- if (s == NULL)
- return False;
-
- in_uint8(s, opcode);
- if ((opcode >> 2) != MCS_CJCF)
- {
- error("expected CJcf, got %d\n", opcode);
- return False;
- }
-
- in_uint8(s, result);
- if (result != 0)
- {
- error("CJrq: %d\n", result);
- return False;
- }
+ s = iso_init(5);
- in_uint8s(s, 4); /* mcs_userid, req_chanid */
- if (opcode & 2)
- in_uint8s(s, 2); /* join_chanid */
+ out_uint8(s, (MCS_CJCF << 2));
+ out_uint8(s, 0); // success
+ out_uint16_be(s, g_mcs_userid);
+ out_uint16_be(s, chanid);
- return s_check_end(s);
+ s_mark_end(s);
+ iso_send(s);
}
/* Initialise an MCS transport data packet */
STREAM
mcs_recv(uint16 * channel)
{
- uint8 opcode, appid, length;
+ uint8 opcode, appid, length, userid;
STREAM s;
s = iso_recv();
printf("Received AUrq, sending AUcf\n");
mcs_send_aucf(0);
return NULL;
+ case MCS_CJRQ:
+ // Channel Join Request, respond with CJcf (Channel Join Confirm);
+ in_uint16_be(s, userid);
+ in_uint16_be(s, *channel);
+ printf("Received CJrq for channel %hu, sending CJcf\n", *channel);
+ mcs_send_cjcf(userid, *channel);
+ return NULL;
default:
error("expected data, got %d\n", opcode);
return NULL;