static void PPPFSM_sendtermreq
(
PPPFSM_CFG_PTR fsm,
/* [IN/OUT] - State Machine */
PCB_PTR packet
/* [IN] - free packet */
)
{ /* Body */
PPP_CFG_PTR ppp_ptr = fsm->HANDLE;
/* Stop the retransmission timer if necessary */
if (fsm->STATE > PPP_STATE_STOPPED && fsm->STATE < PPP_STATE_OPENED) {
PPP_send_stop(ppp_ptr, fsm->CALL->PROTOCOL);
} /* Endif */
/* Allocate a packet if necessary */
if (!packet) {
packet = PPP_pcballoc(fsm->CALL->PROTOCOL, CP_HDR_LEN);
if (!packet) {
++fsm->ST_CP_NOBUFS; /* Nonfatal error */
return;
} /* Endif */
} /* Endif */
PPPFSM_buildheader(fsm, packet, CP_CODE_TERM_REQ, FALSE, 0);
PPP_send_rexmit(ppp_ptr, fsm->CALL->PROTOCOL, packet,
_PPP_MAX_TERM_RETRIES, PPPFSM_timeout, fsm);
} /* Endbody */
void PAP_send
(
_ppp_handle handle
/* [IN] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr = handle;
PAP_DATA_PTR pap_ptr = &ppp_ptr->PAP_STATE;
PCB_PTR pcb;
unsigned char *outp;
uint16_t len;
pap_ptr->CLIENT_STATE = PAP_STATE_INITIAL;
pap_ptr->CURID = RTCS_rand() & 0xFF;
/* Acquire a PCB */
len = PAP_HDR_LEN + 2
/* Start CR 2207 */
+ PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_ID_LENGTH)
+ PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_PW_LENGTH);
/* End CR 2207 */
pcb = PPP_pcballoc(PPP_PROT_PAP, len);
if (pcb == NULL) {
return;
} /* Endif */
/* Build an Authenticate-Request packet */
outp = pcb->FRAG[0].FRAGMENT + 2;
*outp++ = PAP_CODE_AUTH_REQ;
*outp++ = pap_ptr->CURID;
*outp++ = (len >> 8) & 0xFF;
*outp++ = len & 0xFF;
/* Start CR 2207 */
*outp++ = len = PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_ID_LENGTH);
PPP_memcopy(PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_ID_PTR), outp, len);
outp += len;
*outp++ = len = PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_PW_LENGTH);
PPP_memcopy(PPP_SECRET(ppp_ptr,_PPP_PAP_LSECRET->PPP_PW_PTR), outp, len);
/* End CR 2207 */
/* Send the PCB */
PPP_send_rexmit(ppp_ptr, PPP_PROT_PAP, pcb, 0, PAP_timeout, pap_ptr);
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
static void PPPFSM_sendconfreq
(
PPPFSM_CFG_PTR fsm,
/* [IN/OUT] - State Machine */
PCB_PTR packet
/* [IN] - free packet */
)
{ /* Body */
PPP_CFG_PTR ppp_ptr = fsm->HANDLE;
unsigned char *outp;
uint32_t size;
if (fsm->STATE <= PPP_STATE_STOPPING || fsm->STATE >= PPP_STATE_OPENED) {
/* Not currently negotiating -- reset options */
if (fsm->CALL->resetreq) {
fsm->CALL->resetreq(fsm);
} /* Endif */
fsm->NAKS = 0;
} /* Endif */
/* Stop the retransmission timer if necessary */
if (fsm->STATE > PPP_STATE_STOPPED && fsm->STATE < PPP_STATE_OPENED) {
PPP_send_stop(ppp_ptr, fsm->CALL->PROTOCOL);
} /* Endif */
/* Allocate a packet if necessary */
if (!packet) {
packet = PPP_pcballoc(fsm->CALL->PROTOCOL, ppp_ptr->SEND_OPTIONS->MRU);
if (!packet) {
++fsm->ST_CP_NOBUFS; /* Nonfatal error */
return;
} /* Endif */
} /* Endif */
/* Build the request packet */
outp = packet->FRAG[0].FRAGMENT + 2;
size = packet->FRAG[0].LENGTH - 2 - CP_HDR_LEN;
if (fsm->CALL->buildreq) {
size = fsm->CALL->buildreq(fsm, outp + CP_HDR_LEN, size);
} /* Endif */
fsm->REQID = fsm->CURID;
PPPFSM_buildheader(fsm, packet, CP_CODE_CONF_REQ, FALSE, size);
/* Send the request */
PPP_send_rexmit(ppp_ptr, fsm->CALL->PROTOCOL, packet,
_PPP_MAX_CONF_RETRIES, PPPFSM_timeout, fsm);
} /* Endbody */
void CHAP_challenge
(
_ppp_handle handle
/* [IN] - the PPP state structure */
)
{ /* Body */
PPP_CFG_PTR ppp_ptr = handle;
CHAP_DATA_PTR chap_ptr = &ppp_ptr->CHAP_STATE;
PCB_PTR pcb;
uchar_ptr outp;
uint_16 len;
uint_16 i, idlen;
chap_ptr->SERVER_STATE = CHAP_STATE_INITIAL;
chap_ptr->CURID = RTCS_rand() & 0xFF;
/* Acquire a message buffer */
/* Start CR 2207 */
idlen = strlen(PPP_SECRET(ppp_ptr,_PPP_CHAP_LNAME));
/* End CR 2207 */
len = CHAP_HDR_LEN + 1 + CHAP_CHALLENGE_LEN + idlen;
pcb = PPP_pcballoc(PPP_PROT_CHAP, len);
if (pcb == NULL) {
return;
} /* Endif */
/* Build a Challenge packet */
outp = pcb->FRAG[0].FRAGMENT + 2;
*outp++ = CHAP_CODE_CHALLENGE;
*outp++ = chap_ptr->CURID;
*outp++ = (len >> 8) & 0xFF;
*outp++ = len & 0xFF;
*outp++ = CHAP_CHALLENGE_LEN;
for (i=0; i<CHAP_CHALLENGE_LEN; i++) {
*outp++ = chap_ptr->MD5[i] = RTCS_rand() & 0xFF;
} /* Endfor */
/* Start CR 2207 */
PPP_memcopy(PPP_SECRET(ppp_ptr,_PPP_CHAP_LNAME), outp, idlen);
/* End CR 2207 */
/* Send the PCB */
PPP_send_rexmit(ppp_ptr, PPP_PROT_CHAP, pcb, 0, CHAP_timeout, chap_ptr);
} /* Endbody */
