/**
* initializing mppe context.
* - reading configuration.
*/
void
mppe_init(mppe *_this, npppd_ppp *ppp)
{
struct tunnconf *conf;
MPPE_ASSERT(ppp != NULL);
MPPE_ASSERT(_this != NULL);
memset(_this, 0, sizeof(mppe));
_this->ppp = ppp;
_this->mode_auto = 1;
_this->mode_stateless = 0;
conf = ppp_get_tunnconf(ppp);
_this->enabled = conf->mppe_yesno;
if (_this->enabled == 0)
goto mppe_config_done;
_this->required = conf->mppe_required;
if (conf->mppe_keystate == (NPPPD_MPPE_STATEFUL|NPPPD_MPPE_STATELESS)) {
/* no need to change from default. */
} else if (conf->mppe_keystate == NPPPD_MPPE_STATELESS) {
_this->mode_auto = 0;
_this->mode_stateless = 1;
} else if (conf->mppe_keystate == NPPPD_MPPE_STATEFUL) {
_this->mode_auto = 0;
_this->mode_stateless = 0;
}
_this->keylenbits = 0;
if ((conf->mppe_keylen & NPPPD_MPPE_40BIT) != 0)
_this->keylenbits |= CCP_MPPE_NT_40bit;
if ((conf->mppe_keylen & NPPPD_MPPE_56BIT) != 0)
_this->keylenbits |= CCP_MPPE_NT_56bit;
if ((conf->mppe_keylen & NPPPD_MPPE_128BIT) != 0)
_this->keylenbits |= CCP_MPPE_NT_128bit;
mppe_config_done:
/* nothing */;
}
/** Initialize the context for ccp */
void
ccp_init(ccp *_this, npppd_ppp *ppp)
{
struct tunnconf *conf;
memset(_this, 0, sizeof(ccp));
_this->ppp = ppp;
_this->fsm.callbacks = &ccp_callbacks;
_this->fsm.protocol = PPP_PROTO_NCP | NCP_CCP;
_this->fsm.ppp = ppp;
fsm_init(&_this->fsm);
conf = ppp_get_tunnconf(ppp);
PPP_FSM_CONFIG(&_this->fsm, timeouttime, conf->ccp_timeout);
PPP_FSM_CONFIG(&_this->fsm, maxconfreqtransmits,
conf->ccp_max_configure);
PPP_FSM_CONFIG(&_this->fsm, maxtermtransmits,
conf->ccp_max_terminate);
PPP_FSM_CONFIG(&_this->fsm, maxnakloops,
conf->ccp_max_nak_loop);
}
/** Initialize the CHAP */
void
chap_init(chap *_this, npppd_ppp *ppp)
{
struct tunnconf *conf;
CHAP_ASSERT(ppp != NULL);
CHAP_ASSERT(_this != NULL);
memset(_this, 0, sizeof(chap));
_this->ppp = ppp;
conf = ppp_get_tunnconf(ppp);
if (conf->chap_name == NULL)
gethostname(_this->myname, sizeof(_this->myname));
else
strlcpy(_this->myname, conf->chap_name, sizeof(_this->myname));
_this->timerctx.ctx = _this;
_this->state = CHAP_STATE_INITIAL;
_this->ntry = CHAP_RETRY;
}
