/* 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;
}
/* 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;
}
static void
ppp_stop0(npppd_ppp *_this)
{
char mppe_str[BUFSIZ];
char label[512];
#ifdef USE_NPPPD_RADIUS
ppp_set_radius_terminate_cause(_this, RADIUS_TERMNATE_CAUSE_NAS_ERROR);
#endif
ppp_set_disconnect_cause(_this, PPP_DISCON_NORMAL, 0, 1 /* by local */,
NULL);
_this->end_monotime = get_monosec();
if (_this->phy_close != NULL)
_this->phy_close(_this);
_this->phy_close = NULL;
/*
* NAT/Blackhole detection for PPTP(GRE)
*/
if (_this->lcp.dialin_proxy != 0 &&
_this->lcp.dialin_proxy_lcp_renegotiation == 0) {
/* No LCP packets on dialin proxy without LCP renegotiation */
} else if (_this->lcp.recv_ress == 0) { /* No responses */
if (_this->lcp.recv_reqs == 0) /* No requests */
ppp_log(_this, LOG_WARNING, "no PPP frames from the "
"peer. router/NAT issue? (may have filtered out)");
else
ppp_log(_this, LOG_WARNING, "my PPP frames may not "
"have arrived at the peer. router/NAT issue? (may "
"be the only-first-person problem)");
}
#ifdef USE_NPPPD_PIPEX
if (npppd_ppp_pipex_disable(_this->pppd, _this) != 0)
ppp_log(_this, LOG_ERR,
"npppd_ppp_pipex_disable() failed: %m");
#endif
ppp_set_tunnel_label(_this, label, sizeof(label));
#ifdef USE_NPPPD_MPPE
if (_this->mppe_started) {
snprintf(mppe_str, sizeof(mppe_str),
"mppe=yes mppe_in=%dbits,%s mppe_out=%dbits,%s",
_this->mppe.recv.keybits,
(_this->mppe.recv.stateless)? "stateless" : "stateful",
_this->mppe.send.keybits,
(_this->mppe.send.stateless)? "stateless" : "stateful");
} else
#endif
snprintf(mppe_str, sizeof(mppe_str), "mppe=no");
ppp_log(_this, LOG_NOTICE,
"logtype=TUNNELUSAGE user=\"%s\" duration=%ldsec layer2=%s "
"layer2from=%s auth=%s data_in=%llubytes,%upackets "
"data_out=%llubytes,%upackets error_in=%u error_out=%u %s "
"iface=%s",
_this->username[0]? _this->username : "******",
(long)(_this->end_monotime - _this->start_monotime),
_this->phy_label, label,
_this->username[0]? ppp_peer_auth_string(_this) : "none",
(unsigned long long)_this->ibytes, _this->ipackets,
(unsigned long long)_this->obytes, _this->opackets,
_this->ierrors, _this->oerrors, mppe_str,
npppd_ppp_get_iface_name(_this->pppd, _this));
#ifdef USE_NPPPD_RADIUS
npppd_ppp_radius_acct_stop(_this->pppd, _this);
#endif
npppd_ppp_unbind_iface(_this->pppd, _this);
#ifdef USE_NPPPD_MPPE
mppe_fini(&_this->mppe);
#endif
evtimer_del(&_this->idle_event);
npppd_release_ip(_this->pppd, _this);
ppp_destroy(_this);
}
