/* bind for PPP */
static int
pppoe_session_bind_ppp(pppoe_session *_this)
{
int len;
npppd_ppp *ppp;
struct sockaddr_dl sdl;
ppp = NULL;
if ((ppp = ppp_create()) == NULL)
goto fail;
PPPOE_SESSION_ASSERT(_this->ppp == NULL);
if (_this->ppp != NULL)
return -1;
_this->ppp = ppp;
ppp->tunnel_type = PPP_TUNNEL_PPPOE;
ppp->phy_context = _this;
ppp->send_packet = pppoe_session_ppp_output;
ppp->phy_close = pppoe_session_close_by_ppp;
strlcpy(ppp->phy_label, PPPOE_SESSION_LISTENER_LABEL(_this),
sizeof(ppp->phy_label));
memset(&sdl, 0, sizeof(sdl));
sdl.sdl_len = sizeof(sdl);
sdl.sdl_family = AF_LINK;
len = strlen(pppoe_session_listen_ifname(_this));
memcpy(sdl.sdl_data, pppoe_session_listen_ifname(_this), len);
sdl.sdl_nlen = len;
sdl.sdl_alen = ETHER_ADDR_LEN;
memcpy(sdl.sdl_data + len, _this->ether_addr, ETHER_ADDR_LEN);
memcpy(&ppp->phy_info.peer_dl, &sdl, sizeof(sdl));
if (ppp_init(npppd_get_npppd(), ppp) != 0)
goto fail;
ppp->has_acf = 0;
pppoe_session_log(_this, LOG_NOTICE, "logtype=PPPBind ppp=%d", ppp->id);
ppp_start(ppp);
return 0;
fail:
pppoe_session_log(_this, LOG_ERR, "failed binding ppp");
if (ppp != NULL)
ppp_destroy(ppp);
_this->ppp = NULL;
return 1;
}
/* bind() for ppp */
static int
pptp_call_bind_ppp(pptp_call *_this)
{
npppd_ppp *ppp;
ppp = NULL;
if ((ppp = ppp_create()) == NULL)
goto fail;
PPTP_CALL_ASSERT(_this->ppp == NULL);
if (_this->ppp != NULL)
return -1;
_this->ppp = ppp;
ppp->phy_context = _this;
ppp->tunnel_type = NPPPD_TUNNEL_PPTP;
ppp->send_packet = pptp_call_ppp_output;
ppp->phy_close = pptp_call_closed_by_ppp;
strlcpy(ppp->phy_label, PPTP_CTRL_LISTENER_TUN_NAME(_this->ctrl),
sizeof(ppp->phy_label));
PPTP_CALL_ASSERT(sizeof(ppp->phy_info) >= _this->ctrl->peer.ss_len);
memcpy(&ppp->phy_info, &_this->ctrl->peer,
MIN(sizeof(ppp->phy_info), _this->ctrl->peer.ss_len));
if (ppp_init(npppd_get_npppd(), ppp) != 0)
goto fail;
pptp_call_log(_this, LOG_NOTICE, "logtype=PPPBind ppp=%d", ppp->id);
ppp_start(ppp);
return 0;
fail:
pptp_call_log(_this, LOG_ERR, "failed binding ppp");
if (ppp != NULL)
ppp_destroy(ppp);
_this->ppp = NULL;
return 1;
}
/**
* Start PPPoE by doing a Discovery. Adjust MSS/MTU for PPPoE
* packets (8 byte less than normal DIX ethernet).
* Enter Session state and kick-start PPP (LCP/IPCP).
*
* \todo Fix-me: The new MTU/MSS affects all connections (also those
* which doesn't use PPPoE framing).
*/
int pppoe_start (void)
{
if (!cfg.enable || _pktdevclass != PDCLASS_ETHER)
return (1);
if (!pppoe_discovery())
return (0);
#undef MSS_MAX
#define MSS_MAX (PPPOE_MAX_DATA - TCP_OVERHEAD)
_mss = min (_mss, MSS_MAX);
/* If not already clamped by user/pktdrvr, set MTU == 1492
*/
if (_mtu > PPPOE_MAX_DATA)
_mtu = PPPOE_MAX_DATA;
state = StateSession;
ppp_start (cfg.trace);
return (1);
}
/* bind ppp */
static int
l2tp_call_bind_ppp(l2tp_call *_this, dialin_proxy_info *dpi)
{
int code, errcode;
npppd_ppp *ppp;
code = L2TP_CDN_RCODE_BUSY;
errcode = 0;
ppp = NULL;
if ((ppp = ppp_create()) == NULL)
goto fail;
ASSERT(_this->ppp == NULL);
if (_this->ppp != NULL)
return -1;
_this->ppp = ppp;
ppp->tunnel_type = NPPPD_TUNNEL_L2TP;
ppp->phy_context = _this;
ppp->send_packet = l2tp_call_ppp_output;
ppp->phy_close = l2tp_call_closed_by_ppp;
strlcpy(ppp->phy_label, L2TP_CTRL_LISTENER_TUN_NAME(_this->ctrl),
sizeof(ppp->phy_label));
L2TP_CALL_ASSERT(sizeof(ppp->phy_info) >= _this->ctrl->peer.ss_len);
memcpy(&ppp->phy_info, &_this->ctrl->peer,
MIN(sizeof(ppp->phy_info), _this->ctrl->peer.ss_len));
strlcpy(ppp->calling_number, _this->calling_number,
sizeof(ppp->calling_number));
if (ppp_init(npppd_get_npppd(), ppp) != 0) {
l2tp_call_log(_this, LOG_ERR, "failed binding ppp");
goto fail;
}
l2tp_call_log(_this, LOG_NOTICE, "logtype=PPPBind ppp=%d", ppp->id);
if (DIALIN_PROXY_IS_REQUESTED(dpi)) {
if (!L2TP_CTRL_CONF(_this->ctrl)->accept_dialin) {
l2tp_call_log(_this, LOG_ERR,
"'accept_dialin' is 'false' in the setting.");
code = L2TP_CDN_RCODE_ERROR_CODE;
errcode = L2TP_ECODE_INVALID_MESSAGE;
goto fail;
}
if (ppp_dialin_proxy_prepare(ppp, dpi) != 0) {
code = L2TP_CDN_RCODE_TEMP_NOT_AVALIABLE;
goto fail;
}
}
ppp_start(ppp);
return 0;
fail:
if (ppp != NULL)
ppp_destroy(ppp);
_this->ppp = NULL;
l2tp_call_disconnect(_this, code, 0, NULL, NULL, 0);
return 1;
}
