2 * Copyright 1999 Internet Business Solutions Ltd., Switzerland
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/param.h>
32 #include <sys/socket.h>
33 #include <netinet/in_systm.h>
34 #include <netinet/in.h>
35 #include <netinet/ip.h>
36 #include <arpa/inet.h>
38 #include <net/route.h>
42 #include "radlib_vs.h"
45 #include <radlib_vs.h>
63 #include "descriptor.h"
68 #include "slcompress.h"
69 #include "throughput.h"
97 struct mschap_response {
100 u_char lm_response[24];
101 u_char nt_response[24];
104 struct mschap2_response {
107 u_char pchallenge[16];
117 radius_policyname(int policy)
120 case MPPE_POLICY_ALLOWED:
122 case MPPE_POLICY_REQUIRED:
125 return NumStr(policy, NULL, 0);
129 radius_typesname(int types)
132 case MPPE_TYPE_40BIT:
134 case MPPE_TYPE_128BIT:
136 case MPPE_TYPE_40BIT|MPPE_TYPE_128BIT:
137 return "40 or 128 bit";
139 return NumStr(types, NULL, 0);
144 demangle(struct radius *r, const void *mangled, size_t mlen,
145 char **buf, size_t *len)
147 char R[AUTH_LEN]; /* variable names as per rfc2548 */
152 int Slen, i, Clen, Ppos;
155 if (mlen % 16 != SALT_LEN) {
156 log_Printf(LogWARN, "Cannot interpret mangled data of length %ld\n",
163 /* We need the RADIUS Request-Authenticator */
164 if (rad_request_authenticator(r->cx.rad, R, sizeof R) != AUTH_LEN) {
165 log_Printf(LogWARN, "Cannot obtain the RADIUS request authenticator\n");
171 A = (const u_char *)mangled; /* Salt comes first */
172 C = (const u_char *)mangled + SALT_LEN; /* Then the ciphertext */
173 Clen = mlen - SALT_LEN;
174 S = rad_server_secret(r->cx.rad); /* We need the RADIUS secret */
176 P = alloca(Clen); /* We derive our plaintext */
179 MD5Update(&Context, S, Slen);
180 MD5Update(&Context, R, AUTH_LEN);
181 MD5Update(&Context, A, SALT_LEN);
182 MD5Final(b, &Context);
188 for (i = 0; i < 16; i++)
189 P[Ppos++] = C[i] ^ b[i];
193 MD5Update(&Context, S, Slen);
194 MD5Update(&Context, C, 16);
195 MD5Final(b, &Context);
202 * The resulting plain text consists of a one-byte length, the text and
203 * maybe some padding.
206 if (*len > mlen - 1) {
207 log_Printf(LogWARN, "Mangled data seems to be garbage\n");
214 memcpy(*buf, P + 1, *len);
219 * rad_continue_send_request() has given us `got' (non-zero). Deal with it.
222 radius_Process(struct radius *r, int got)
224 char *argv[MAXARGS], *nuke;
225 struct bundle *bundle;
226 int argc, addrs, res, width;
228 struct ncprange dest;
232 u_int32_t ipaddr, vendor;
235 r->cx.fd = -1; /* Stop select()ing */
236 stype = r->cx.auth ? "auth" : "acct";
239 case RAD_ACCESS_ACCEPT:
240 log_Printf(LogPHASE, "Radius(%s): ACCEPT received\n", stype);
242 rad_close(r->cx.rad);
247 case RAD_ACCESS_REJECT:
248 log_Printf(LogPHASE, "Radius(%s): REJECT received\n", stype);
250 rad_close(r->cx.rad);
255 case RAD_ACCESS_CHALLENGE:
256 /* we can't deal with this (for now) ! */
257 log_Printf(LogPHASE, "Radius: CHALLENGE received (can't handle yet)\n");
259 auth_Failure(r->cx.auth);
260 rad_close(r->cx.rad);
263 case RAD_ACCOUNTING_RESPONSE:
264 log_Printf(LogPHASE, "Radius(%s): Accounting response received\n", stype);
266 auth_Failure(r->cx.auth); /* unexpected !!! */
268 /* No further processing for accounting requests, please */
269 rad_close(r->cx.rad);
273 log_Printf(LogPHASE, "radius(%s): %s\n", stype, rad_strerror(r->cx.rad));
275 auth_Failure(r->cx.auth);
276 rad_close(r->cx.rad);
280 log_Printf(LogERROR, "rad_send_request(%s): Failed %d: %s\n", stype,
281 got, rad_strerror(r->cx.rad));
283 auth_Failure(r->cx.auth);
284 rad_close(r->cx.rad);
288 /* Let's see what we've got in our reply */
289 r->ip.s_addr = r->mask.s_addr = INADDR_NONE;
292 while ((res = rad_get_attr(r->cx.rad, &data, &len)) > 0) {
294 case RAD_FRAMED_IP_ADDRESS:
295 r->ip = rad_cvt_addr(data);
296 log_Printf(LogPHASE, " IP %s\n", inet_ntoa(r->ip));
301 if ((r->filterid = rad_cvt_string(data, len)) == NULL) {
302 log_Printf(LogERROR, "rad_cvt_string: %s\n", rad_strerror(r->cx.rad));
303 auth_Failure(r->cx.auth);
304 rad_close(r->cx.rad);
307 log_Printf(LogPHASE, " Filter \"%s\"\n", r->filterid);
310 case RAD_SESSION_TIMEOUT:
311 r->sessiontime = rad_cvt_int(data);
312 log_Printf(LogPHASE, " Session-Timeout %lu\n", r->sessiontime);
315 case RAD_FRAMED_IP_NETMASK:
316 r->mask = rad_cvt_addr(data);
317 log_Printf(LogPHASE, " Netmask %s\n", inet_ntoa(r->mask));
321 r->mtu = rad_cvt_int(data);
322 log_Printf(LogPHASE, " MTU %lu\n", r->mtu);
325 case RAD_FRAMED_ROUTING:
326 /* Disabled for now - should we automatically set up some filters ? */
327 /* rad_cvt_int(data); */
328 /* bit 1 = Send routing packets */
329 /* bit 2 = Receive routing packets */
332 case RAD_FRAMED_COMPRESSION:
333 r->vj = rad_cvt_int(data) == 1 ? 1 : 0;
334 log_Printf(LogPHASE, " VJ %sabled\n", r->vj ? "en" : "dis");
337 case RAD_FRAMED_ROUTE:
339 * We expect a string of the format ``dest[/bits] gw [metrics]''
340 * Any specified metrics are ignored. MYADDR and HISADDR are
341 * understood for ``dest'' and ``gw'' and ``0.0.0.0'' is the same
345 if ((nuke = rad_cvt_string(data, len)) == NULL) {
346 log_Printf(LogERROR, "rad_cvt_string: %s\n", rad_strerror(r->cx.rad));
347 auth_Failure(r->cx.auth);
348 rad_close(r->cx.rad);
352 log_Printf(LogPHASE, " Route: %s\n", nuke);
353 bundle = r->cx.auth->physical->dl->bundle;
354 ip.s_addr = INADDR_ANY;
355 ncprange_setip4host(&dest, ip);
356 argc = command_Interpret(nuke, strlen(nuke), argv);
358 log_Printf(LogWARN, "radius: %s: Syntax error\n",
359 argc == 1 ? argv[0] : "\"\"");
361 log_Printf(LogWARN, "radius: %s: Invalid route\n",
362 argc == 1 ? argv[0] : "\"\"");
363 else if ((strcasecmp(argv[0], "default") != 0 &&
364 !ncprange_aton(&dest, &bundle->ncp, argv[0])) ||
365 !ncpaddr_aton(&gw, &bundle->ncp, argv[1]))
366 log_Printf(LogWARN, "radius: %s %s: Invalid route\n",
369 ncprange_getwidth(&dest, &width);
370 if (width == 32 && strchr(argv[0], '/') == NULL) {
371 /* No mask specified - use the natural mask */
372 ncprange_getip4addr(&dest, &ip);
373 ncprange_setip4mask(&dest, addr2mask(ip));
377 if (!strncasecmp(argv[0], "HISADDR", 7))
378 addrs = ROUTE_DSTHISADDR;
379 else if (!strncasecmp(argv[0], "MYADDR", 6))
380 addrs = ROUTE_DSTMYADDR;
382 if (ncpaddr_getip4addr(&gw, &ipaddr) && ipaddr == INADDR_ANY) {
383 addrs |= ROUTE_GWHISADDR;
384 ncpaddr_setip4(&gw, bundle->ncp.ipcp.peer_ip);
385 } else if (strcasecmp(argv[1], "HISADDR") == 0)
386 addrs |= ROUTE_GWHISADDR;
388 route_Add(&r->routes, addrs, &dest, &gw);
393 case RAD_REPLY_MESSAGE:
395 if ((r->repstr = rad_cvt_string(data, len)) == NULL) {
396 log_Printf(LogERROR, "rad_cvt_string: %s\n", rad_strerror(r->cx.rad));
397 auth_Failure(r->cx.auth);
398 rad_close(r->cx.rad);
401 log_Printf(LogPHASE, " Reply-Message \"%s\"\n", r->repstr);
404 case RAD_VENDOR_SPECIFIC:
405 if ((res = rad_get_vendor_attr(&vendor, &data, &len)) <= 0) {
406 log_Printf(LogERROR, "rad_get_vendor_attr: %s (failing!)\n",
407 rad_strerror(r->cx.rad));
408 auth_Failure(r->cx.auth);
409 rad_close(r->cx.rad);
414 case RAD_VENDOR_MICROSOFT:
417 case RAD_MICROSOFT_MS_CHAP_ERROR:
422 if ((r->errstr = rad_cvt_string((const char *)data + 1,
424 log_Printf(LogERROR, "rad_cvt_string: %s\n",
425 rad_strerror(r->cx.rad));
426 auth_Failure(r->cx.auth);
427 rad_close(r->cx.rad);
430 log_Printf(LogPHASE, " MS-CHAP-Error \"%s\"\n", r->errstr);
434 case RAD_MICROSOFT_MS_CHAP2_SUCCESS:
439 if ((r->msrepstr = rad_cvt_string((const char *)data + 1,
441 log_Printf(LogERROR, "rad_cvt_string: %s\n",
442 rad_strerror(r->cx.rad));
443 auth_Failure(r->cx.auth);
444 rad_close(r->cx.rad);
447 log_Printf(LogPHASE, " MS-CHAP2-Success \"%s\"\n",
452 case RAD_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY:
453 r->mppe.policy = rad_cvt_int(data);
454 log_Printf(LogPHASE, " MS-MPPE-Encryption-Policy %s\n",
455 radius_policyname(r->mppe.policy));
458 case RAD_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES:
459 r->mppe.types = rad_cvt_int(data);
460 log_Printf(LogPHASE, " MS-MPPE-Encryption-Types %s\n",
461 radius_typesname(r->mppe.types));
464 case RAD_MICROSOFT_MS_MPPE_RECV_KEY:
465 free(r->mppe.recvkey);
466 demangle(r, data, len, &r->mppe.recvkey, &r->mppe.recvkeylen);
467 log_Printf(LogPHASE, " MS-MPPE-Recv-Key ********\n");
470 case RAD_MICROSOFT_MS_MPPE_SEND_KEY:
471 demangle(r, data, len, &r->mppe.sendkey, &r->mppe.sendkeylen);
472 log_Printf(LogPHASE, " MS-MPPE-Send-Key ********\n");
477 log_Printf(LogDEBUG, "Dropping MICROSOFT vendor specific "
478 "RADIUS attribute %d\n", res);
484 log_Printf(LogDEBUG, "Dropping vendor %lu RADIUS attribute %d\n",
485 (unsigned long)vendor, res);
491 log_Printf(LogDEBUG, "Dropping RADIUS attribute %d\n", res);
497 log_Printf(LogERROR, "rad_get_attr: %s (failing!)\n",
498 rad_strerror(r->cx.rad));
499 auth_Failure(r->cx.auth);
500 } else if (got == RAD_ACCESS_REJECT)
501 auth_Failure(r->cx.auth);
504 auth_Success(r->cx.auth);
506 rad_close(r->cx.rad);
510 * We've either timed out or select()ed on the read descriptor
513 radius_Continue(struct radius *r, int sel)
518 timer_Stop(&r->cx.timer);
519 if ((got = rad_continue_send_request(r->cx.rad, sel, &r->cx.fd, &tv)) == 0) {
520 log_Printf(LogPHASE, "Radius: Request re-sent\n");
521 r->cx.timer.load = tv.tv_usec / TICKUNIT + tv.tv_sec * SECTICKS;
522 timer_Start(&r->cx.timer);
526 radius_Process(r, got);
530 * Time to call rad_continue_send_request() - timed out.
533 radius_Timeout(void *v)
535 radius_Continue((struct radius *)v, 0);
539 * Time to call rad_continue_send_request() - something to read.
542 radius_Read(struct fdescriptor *d, struct bundle *bundle, const fd_set *fdset)
544 radius_Continue(descriptor2radius(d), 1);
548 * Behave as a struct fdescriptor (descriptor.h)
551 radius_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n)
553 struct radius *rad = descriptor2radius(d);
555 if (r && rad->cx.fd != -1) {
556 FD_SET(rad->cx.fd, r);
557 if (*n < rad->cx.fd + 1)
559 log_Printf(LogTIMER, "Radius: fdset(r) %d\n", rad->cx.fd);
567 * Behave as a struct fdescriptor (descriptor.h)
570 radius_IsSet(struct fdescriptor *d, const fd_set *fdset)
572 struct radius *r = descriptor2radius(d);
574 return r && r->cx.fd != -1 && FD_ISSET(r->cx.fd, fdset);
578 * Behave as a struct fdescriptor (descriptor.h)
581 radius_Write(struct fdescriptor *d, struct bundle *bundle, const fd_set *fdset)
583 /* We never want to write here ! */
584 log_Printf(LogALERT, "radius_Write: Internal error: Bad call !\n");
589 * Initialise ourselves
592 radius_Init(struct radius *r)
594 r->desc.type = RADIUS_DESCRIPTOR;
595 r->desc.UpdateSet = radius_UpdateSet;
596 r->desc.IsSet = radius_IsSet;
597 r->desc.Read = radius_Read;
598 r->desc.Write = radius_Write;
601 memset(&r->cx.timer, '\0', sizeof r->cx.timer);
605 r->ip.s_addr = INADDR_ANY;
606 r->mask.s_addr = INADDR_NONE;
614 r->mppe.recvkey = NULL;
615 r->mppe.recvkeylen = 0;
616 r->mppe.sendkey = NULL;
617 r->mppe.sendkeylen = 0;
618 *r->cfg.file = '\0';;
619 log_Printf(LogDEBUG, "Radius: radius_Init\n");
623 * Forget everything and go back to initialised state.
626 radius_Destroy(struct radius *r)
629 log_Printf(LogDEBUG, "Radius: radius_Destroy\n");
630 timer_Stop(&r->cx.timer);
631 route_DeleteAll(&r->routes);
640 free(r->mppe.recvkey);
641 r->mppe.recvkey = NULL;
642 r->mppe.recvkeylen = 0;
643 free(r->mppe.sendkey);
644 r->mppe.sendkey = NULL;
645 r->mppe.sendkeylen = 0;
646 if (r->cx.fd != -1) {
648 rad_close(r->cx.rad);
653 radius_put_physical_details(struct rad_handle *rad, struct physical *p)
659 switch (p->handler->type) {
661 type = RAD_ISDN_SYNC;
681 if (rad_put_int(rad, RAD_NAS_PORT_TYPE, type) != 0) {
682 log_Printf(LogERROR, "rad_put: rad_put_int: %s\n", rad_strerror(rad));
687 if ((slot = physical_Slot(p)) >= 0)
688 if (rad_put_int(rad, RAD_NAS_PORT, slot) != 0) {
689 log_Printf(LogERROR, "rad_put: rad_put_int: %s\n", rad_strerror(rad));
698 * Start an authentication request to the RADIUS server.
701 radius_Authenticate(struct radius *r, struct authinfo *authp, const char *name,
702 const char *key, int klen, const char *nchallenge,
707 char hostname[MAXHOSTNAMELEN];
710 struct in_addr hostaddr;
713 struct mschap_response msresp;
714 struct mschap2_response msresp2;
715 const struct MSCHAPv2_resp *keyv2;
723 * We assume that our name/key/challenge is the same as last time,
724 * and just continue to wait for the RADIUS server(s).
730 if ((r->cx.rad = rad_auth_open()) == NULL) {
731 log_Printf(LogERROR, "rad_auth_open: %s\n", strerror(errno));
735 if (rad_config(r->cx.rad, r->cfg.file) != 0) {
736 log_Printf(LogERROR, "rad_config: %s\n", rad_strerror(r->cx.rad));
737 rad_close(r->cx.rad);
741 if (rad_create_request(r->cx.rad, RAD_ACCESS_REQUEST) != 0) {
742 log_Printf(LogERROR, "rad_create_request: %s\n", rad_strerror(r->cx.rad));
743 rad_close(r->cx.rad);
747 if (rad_put_string(r->cx.rad, RAD_USER_NAME, name) != 0 ||
748 rad_put_int(r->cx.rad, RAD_SERVICE_TYPE, RAD_FRAMED) != 0 ||
749 rad_put_int(r->cx.rad, RAD_FRAMED_PROTOCOL, RAD_PPP) != 0) {
750 log_Printf(LogERROR, "rad_put: %s\n", rad_strerror(r->cx.rad));
751 rad_close(r->cx.rad);
755 switch (authp->physical->link.lcp.want_auth) {
757 /* We're talking PAP */
758 if (rad_put_attr(r->cx.rad, RAD_USER_PASSWORD, key, klen) != 0) {
759 log_Printf(LogERROR, "PAP: rad_put_string: %s\n",
760 rad_strerror(r->cx.rad));
761 rad_close(r->cx.rad);
767 switch (authp->physical->link.lcp.want_authtype) {
769 if (rad_put_attr(r->cx.rad, RAD_CHAP_PASSWORD, key, klen) != 0 ||
770 rad_put_attr(r->cx.rad, RAD_CHAP_CHALLENGE, nchallenge, nclen) != 0) {
771 log_Printf(LogERROR, "CHAP: rad_put_string: %s\n",
772 rad_strerror(r->cx.rad));
773 rad_close(r->cx.rad);
781 log_Printf(LogERROR, "CHAP80: Unrecognised key length %d\n", klen);
782 rad_close(r->cx.rad);
786 rad_put_vendor_attr(r->cx.rad, RAD_VENDOR_MICROSOFT,
787 RAD_MICROSOFT_MS_CHAP_CHALLENGE, nchallenge, nclen);
790 memcpy(msresp.lm_response, key + 1, 24);
791 memcpy(msresp.nt_response, key + 25, 24);
792 rad_put_vendor_attr(r->cx.rad, RAD_VENDOR_MICROSOFT,
793 RAD_MICROSOFT_MS_CHAP_RESPONSE, &msresp,
798 if (klen != sizeof(*keyv2) + 1) {
799 log_Printf(LogERROR, "CHAP81: Unrecognised key length %d\n", klen);
800 rad_close(r->cx.rad);
804 keyv2 = (const struct MSCHAPv2_resp *)(key + 1);
805 rad_put_vendor_attr(r->cx.rad, RAD_VENDOR_MICROSOFT,
806 RAD_MICROSOFT_MS_CHAP_CHALLENGE, nchallenge, nclen);
807 msresp2.ident = *key;
808 msresp2.flags = keyv2->Flags;
809 memcpy(msresp2.response, keyv2->NTResponse, sizeof msresp2.response);
810 memset(msresp2.reserved, '\0', sizeof msresp2.reserved);
811 memcpy(msresp2.pchallenge, keyv2->PeerChallenge,
812 sizeof msresp2.pchallenge);
813 rad_put_vendor_attr(r->cx.rad, RAD_VENDOR_MICROSOFT,
814 RAD_MICROSOFT_MS_CHAP2_RESPONSE, &msresp2,
819 log_Printf(LogERROR, "CHAP: Unrecognised type 0x%02x\n",
820 authp->physical->link.lcp.want_authtype);
821 rad_close(r->cx.rad);
826 if (gethostname(hostname, sizeof hostname) != 0)
827 log_Printf(LogERROR, "rad_put: gethostname(): %s\n", strerror(errno));
830 if ((hp = gethostbyname(hostname)) != NULL) {
831 hostaddr.s_addr = *(u_long *)hp->h_addr;
832 if (rad_put_addr(r->cx.rad, RAD_NAS_IP_ADDRESS, hostaddr) != 0) {
833 log_Printf(LogERROR, "rad_put: rad_put_string: %s\n",
834 rad_strerror(r->cx.rad));
835 rad_close(r->cx.rad);
840 if (rad_put_string(r->cx.rad, RAD_NAS_IDENTIFIER, hostname) != 0) {
841 log_Printf(LogERROR, "rad_put: rad_put_string: %s\n",
842 rad_strerror(r->cx.rad));
843 rad_close(r->cx.rad);
848 radius_put_physical_details(r->cx.rad, authp->physical);
851 if ((got = rad_init_send_request(r->cx.rad, &r->cx.fd, &tv)))
852 radius_Process(r, got);
854 log_Printf(LogPHASE, "Radius: Request sent\n");
855 log_Printf(LogDEBUG, "Using radius_Timeout [%p]\n", radius_Timeout);
856 r->cx.timer.load = tv.tv_usec / TICKUNIT + tv.tv_sec * SECTICKS;
857 r->cx.timer.func = radius_Timeout;
858 r->cx.timer.name = "radius auth";
860 timer_Start(&r->cx.timer);
867 * Send an accounting request to the RADIUS server
870 radius_Account(struct radius *r, struct radacct *ac, struct datalink *dl,
871 int acct_type, struct in_addr *peer_ip, struct in_addr *netmask,
872 struct pppThroughput *stats)
876 char hostname[MAXHOSTNAMELEN];
879 struct in_addr hostaddr;
887 * We assume that our name/key/challenge is the same as last time,
888 * and just continue to wait for the RADIUS server(s).
892 timer_Stop(&r->cx.timer);
894 if ((r->cx.rad = rad_acct_open()) == NULL) {
895 log_Printf(LogERROR, "rad_auth_open: %s\n", strerror(errno));
899 if (rad_config(r->cx.rad, r->cfg.file) != 0) {
900 log_Printf(LogERROR, "rad_config: %s\n", rad_strerror(r->cx.rad));
901 rad_close(r->cx.rad);
905 if (rad_create_request(r->cx.rad, RAD_ACCOUNTING_REQUEST) != 0) {
906 log_Printf(LogERROR, "rad_create_request: %s\n", rad_strerror(r->cx.rad));
907 rad_close(r->cx.rad);
911 /* Grab some accounting data and initialize structure */
912 if (acct_type == RAD_START) {
914 /* Fetch username from datalink */
915 strncpy(ac->user_name, dl->peer.authname, sizeof ac->user_name);
916 ac->user_name[AUTHLEN-1] = '\0';
918 ac->authentic = 2; /* Assume RADIUS verified auth data */
920 /* Generate a session ID */
921 snprintf(ac->session_id, sizeof ac->session_id, "%s%ld-%s%lu",
922 dl->bundle->cfg.auth.name, (long)getpid(),
923 dl->peer.authname, (unsigned long)stats->uptime);
925 /* And grab our MP socket name */
926 snprintf(ac->multi_session_id, sizeof ac->multi_session_id, "%s",
927 dl->bundle->ncp.mp.active ?
928 dl->bundle->ncp.mp.server.socket.sun_path : "");
930 /* Fetch IP, netmask from IPCP */
931 memcpy(&ac->ip, peer_ip, sizeof(ac->ip));
932 memcpy(&ac->mask, netmask, sizeof(ac->mask));
935 if (rad_put_string(r->cx.rad, RAD_USER_NAME, ac->user_name) != 0 ||
936 rad_put_int(r->cx.rad, RAD_SERVICE_TYPE, RAD_FRAMED) != 0 ||
937 rad_put_int(r->cx.rad, RAD_FRAMED_PROTOCOL, RAD_PPP) != 0 ||
938 rad_put_addr(r->cx.rad, RAD_FRAMED_IP_ADDRESS, ac->ip) != 0 ||
939 rad_put_addr(r->cx.rad, RAD_FRAMED_IP_NETMASK, ac->mask) != 0) {
940 log_Printf(LogERROR, "rad_put: %s\n", rad_strerror(r->cx.rad));
941 rad_close(r->cx.rad);
945 if (gethostname(hostname, sizeof hostname) != 0)
946 log_Printf(LogERROR, "rad_put: gethostname(): %s\n", strerror(errno));
949 if ((hp = gethostbyname(hostname)) != NULL) {
950 hostaddr.s_addr = *(u_long *)hp->h_addr;
951 if (rad_put_addr(r->cx.rad, RAD_NAS_IP_ADDRESS, hostaddr) != 0) {
952 log_Printf(LogERROR, "rad_put: rad_put_string: %s\n",
953 rad_strerror(r->cx.rad));
954 rad_close(r->cx.rad);
959 if (rad_put_string(r->cx.rad, RAD_NAS_IDENTIFIER, hostname) != 0) {
960 log_Printf(LogERROR, "rad_put: rad_put_string: %s\n",
961 rad_strerror(r->cx.rad));
962 rad_close(r->cx.rad);
967 radius_put_physical_details(r->cx.rad, dl->physical);
969 if (rad_put_int(r->cx.rad, RAD_ACCT_STATUS_TYPE, acct_type) != 0 ||
970 rad_put_string(r->cx.rad, RAD_ACCT_SESSION_ID, ac->session_id) != 0 ||
971 rad_put_string(r->cx.rad, RAD_ACCT_MULTI_SESSION_ID,
972 ac->multi_session_id) != 0 ||
973 rad_put_int(r->cx.rad, RAD_ACCT_DELAY_TIME, 0) != 0) {
974 /* XXX ACCT_DELAY_TIME should be increased each time a packet is waiting */
975 log_Printf(LogERROR, "rad_put: %s\n", rad_strerror(r->cx.rad));
976 rad_close(r->cx.rad);
980 if (acct_type == RAD_STOP)
981 /* Show some statistics */
982 if (rad_put_int(r->cx.rad, RAD_ACCT_INPUT_OCTETS, stats->OctetsIn) != 0 ||
983 rad_put_int(r->cx.rad, RAD_ACCT_INPUT_PACKETS, stats->PacketsIn) != 0 ||
984 rad_put_int(r->cx.rad, RAD_ACCT_OUTPUT_OCTETS, stats->OctetsOut) != 0 ||
985 rad_put_int(r->cx.rad, RAD_ACCT_OUTPUT_PACKETS, stats->PacketsOut)
987 rad_put_int(r->cx.rad, RAD_ACCT_SESSION_TIME, throughput_uptime(stats))
989 log_Printf(LogERROR, "rad_put: %s\n", rad_strerror(r->cx.rad));
990 rad_close(r->cx.rad);
994 r->cx.auth = NULL; /* Not valid for accounting requests */
995 if ((got = rad_init_send_request(r->cx.rad, &r->cx.fd, &tv)))
996 radius_Process(r, got);
998 log_Printf(LogDEBUG, "Using radius_Timeout [%p]\n", radius_Timeout);
999 r->cx.timer.load = tv.tv_usec / TICKUNIT + tv.tv_sec * SECTICKS;
1000 r->cx.timer.func = radius_Timeout;
1001 r->cx.timer.name = "radius acct";
1002 r->cx.timer.arg = r;
1003 timer_Start(&r->cx.timer);
1008 * How do things look at the moment ?
1011 radius_Show(struct radius *r, struct prompt *p)
1013 prompt_Printf(p, " Radius config: %s",
1014 *r->cfg.file ? r->cfg.file : "none");
1016 prompt_Printf(p, "\n IP: %s\n", inet_ntoa(r->ip));
1017 prompt_Printf(p, " Netmask: %s\n", inet_ntoa(r->mask));
1018 prompt_Printf(p, " MTU: %lu\n", r->mtu);
1019 prompt_Printf(p, " VJ: %sabled\n", r->vj ? "en" : "dis");
1020 prompt_Printf(p, " Message: %s\n", r->repstr ? r->repstr : "");
1021 prompt_Printf(p, " MPPE Enc Policy: %s\n",
1022 radius_policyname(r->mppe.policy));
1023 prompt_Printf(p, " MPPE Enc Types: %s\n",
1024 radius_typesname(r->mppe.types));
1025 prompt_Printf(p, " MPPE Recv Key: %seceived\n",
1026 r->mppe.recvkey ? "R" : "Not r");
1027 prompt_Printf(p, " MPPE Send Key: %seceived\n",
1028 r->mppe.sendkey ? "R" : "Not r");
1029 prompt_Printf(p, " MS-CHAP2-Response: %s\n",
1030 r->msrepstr ? r->msrepstr : "");
1031 prompt_Printf(p, " Error Message: %s\n", r->errstr ? r->errstr : "");
1033 route_ShowSticky(p, r->routes, " Routes", 16);
1035 prompt_Printf(p, " (not authenticated)\n");