/**
* Set RADIUS attributes for RADIUS authentication request.
* Return 0 on success.
*/
int
ppp_set_radius_attrs_for_authreq(npppd_ppp *_this,
radius_req_setting *rad_setting, RADIUS_PACKET *radpkt)
{
/* RFC 2865 "5.4 NAS-IP-Address" or RFC3162 "2.1. NAS-IPv6-Address" */
if (radius_prepare_nas_address(rad_setting, radpkt) != 0)
goto fail;
/* RFC 2865 "5.6. Service-Type" */
if (radius_put_uint32_attr(radpkt, RADIUS_TYPE_SERVICE_TYPE,
RADIUS_SERVICE_TYPE_FRAMED) != 0)
goto fail;
/* RFC 2865 "5.7. Framed-Protocol" */
if (radius_put_uint32_attr(radpkt, RADIUS_TYPE_FRAMED_PROTOCOL,
RADIUS_FRAMED_PROTOCOL_PPP) != 0)
goto fail;
if (_this->calling_number[0] != '\0') {
if (radius_put_string_attr(radpkt,
RADIUS_TYPE_CALLING_STATION_ID, _this->calling_number) != 0)
return 1;
}
return 0;
fail:
return 1;
}
static int
radius_acct_request(npppd *pppd, npppd_ppp *ppp, int stop)
{
RADIUS_PACKET *radpkt;
RADIUS_REQUEST_CTX radctx;
radius_req_setting *rad_setting;
char buf[128];
if (ppp->username[0] == '\0')
return 0;
radpkt = NULL;
radctx = NULL;
rad_setting = npppd_auth_radius_get_radius_acct_setting(ppp->realm);
if (!radius_req_setting_has_server(rad_setting))
return 0;
if ((radpkt = radius_new_request_packet(RADIUS_CODE_ACCOUNTING_REQUEST))
== NULL)
goto fail;
if (radius_prepare(rad_setting, (void *)(uintptr_t)ppp->id, &radctx,
npppd_ppp_radius_acct_reqcb, 0) != 0)
goto fail;
/* NAS Information */
/*
* RFC 2865 "5.4. NAS-IP-Address" or RFC 3162 "2.1. NAS-IPv6-Address"
*/
if (radius_prepare_nas_address(rad_setting, radpkt) != 0)
goto fail;
/* RFC 2865 "5.41. NAS-Port-Type" */
ATTR_INT32(RADIUS_TYPE_NAS_PORT_TYPE, RADIUS_NAS_PORT_TYPE_VIRTUAL);
/* RFC 2865 "5.5. NAS-Port" */
ATTR_INT32(RADIUS_TYPE_NAS_PORT, ppp->id);
/* npppd has no physical / virtual ports in design. */
/* RFC 2865 5.31. Calling-Station-Id */
if (ppp->calling_number[0] != '\0')
ATTR_STR(RADIUS_TYPE_CALLING_STATION_ID, ppp->calling_number);
/* Tunnel Protocol Information */
switch (ppp->tunnel_type) {
case PPP_TUNNEL_L2TP:
/* RFC 2868 3.1. Tunnel-Type */
ATTR_INT32(RADIUS_TYPE_TUNNEL_TYPE, RADIUS_TUNNEL_TYPE_L2TP);
if (l2tp_put_tunnel_attributes(radpkt, ppp->phy_context) != 0)
goto fail;
break;
case PPP_TUNNEL_PPTP:
/* RFC 2868 3.1. Tunnel-Type */
ATTR_INT32(RADIUS_TYPE_TUNNEL_TYPE, RADIUS_TUNNEL_TYPE_PPTP);
if (pptp_put_tunnel_attributes(radpkt, ppp->phy_context) != 0)
goto fail;
break;
}
/* Framed Protocol (PPP) Information */
/* RFC 2865 5.1 User-Name */
ATTR_STR(RADIUS_TYPE_USER_NAME, ppp->username);
/* RFC 2865 "5.7. Service-Type" */
ATTR_INT32(RADIUS_TYPE_SERVICE_TYPE, RADIUS_SERVICE_TYPE_FRAMED);
/* RFC 2865 "5.8. Framed-Protocol" */
ATTR_INT32(RADIUS_TYPE_FRAMED_PROTOCOL, RADIUS_FRAMED_PROTOCOL_PPP);
/* RFC 2865 "5.8. Framed-IP-Address" */
if (ppp_ip_assigned(ppp) && !stop)
ppp->realm_framed_ip_address = ppp->ppp_framed_ip_address;
if (ppp->realm_framed_ip_address.s_addr != INADDR_ANY) {
ATTR_INT32(RADIUS_TYPE_FRAMED_IP_ADDRESS,
ntohl(ppp->realm_framed_ip_address.s_addr));
}
/* Accounting */
/* RFC 2866 5.1. Acct-Status-Type */
ATTR_INT32(RADIUS_TYPE_ACCT_STATUS_TYPE, (stop)
? RADIUS_ACCT_STATUS_TYPE_STOP : RADIUS_ACCT_STATUS_TYPE_START);
/* RFC 2866 5.2. Acct-Delay-Time */
ATTR_INT32(RADIUS_TYPE_ACCT_DELAY_TIME, 0);
if (stop) {
/* RFC 2866 5.3 Acct-Input-Octets */
ATTR_INT32(RADIUS_TYPE_ACCT_INPUT_OCTETS,
(uint32_t)(ppp->ibytes & 0xFFFFFFFFU)); /* LSB 32bit */
/* RFC 2866 5.4 Acct-Output-Octets */
ATTR_INT32(RADIUS_TYPE_ACCT_OUTPUT_OCTETS,
(uint32_t)(ppp->obytes & 0xFFFFFFFFU)); /* LSB 32bit */
}
/* RFC 2866 5.5 Acct-Session-Id */
snprintf(buf, sizeof(buf), "%08X%08X", pppd->boot_id, ppp->id);
ATTR_STR(RADIUS_TYPE_ACCT_SESSION_ID, buf);
/* RFC 2866 5.6. Acct-Authentic */
ATTR_INT32(RADIUS_TYPE_ACCT_AUTHENTIC, RADIUS_ACCT_AUTHENTIC_RADIUS);
if (stop) {
/* RFC 2866 5.7. Acct-Session-Time */
ATTR_INT32(RADIUS_TYPE_ACCT_SESSION_TIME,
ppp->end_monotime - ppp->start_monotime);
/* RFC 2866 5.8 Acct-Input-Packets */
ATTR_INT32(RADIUS_TYPE_ACCT_INPUT_PACKETS, ppp->ipackets);
/* RFC 2866 5.9 Acct-Output-Packets */
ATTR_INT32(RADIUS_TYPE_ACCT_OUTPUT_PACKETS, ppp->opackets);
/* RFC 2866 5.10. Acct-Terminate-Cause */
if (ppp->terminate_cause != 0)
ATTR_INT32(RADIUS_TYPE_ACCT_TERMINATE_CAUSE,
ppp->terminate_cause);
/* RFC 2869 5.1 Acct-Input-Gigawords */
ATTR_INT32(RADIUS_TYPE_ACCT_INPUT_GIGAWORDS, ppp->ibytes >> 32);
/* RFC 2869 5.2 Acct-Output-Gigawords */
ATTR_INT32(RADIUS_TYPE_ACCT_OUTPUT_GIGAWORDS,
ppp->obytes >> 32);
}
radius_set_request_authenticator(radpkt,
radius_get_server_secret(radctx));
/* Send the request */
radius_request(radctx, radpkt);
return 0;
fail:
ppp_log(ppp, LOG_WARNING, "radius accounting request failed: %m");
if (radctx != NULL)
radius_cancel_request(radctx);
if (radpkt != NULL)
radius_delete_packet(radpkt);
return -1;
}
