2 * radeapclient.c EAP specific radius packet debug tool.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Copyright 2000 The FreeRADIUS server project
21 * Copyright 2000 Miquel van Smoorenburg <miquels@cistron.nl>
22 * Copyright 2000 Alan DeKok <aland@ox.org>
24 static const char rcsid[] = "$Id$";
38 #include <sys/socket.h>
41 # include <netinet/in.h>
45 # include <sys/select.h>
55 #include "../../include/md5.h"
57 #include "eap_types.h"
60 extern int sha1_data_problems;
62 static int retries = 10;
63 static float timeout = 3;
64 static const char *secret = NULL;
65 static int do_output = 1;
66 static int do_summary = 0;
67 static int filedone = 0;
68 static int totalapp = 0;
69 static int totaldeny = 0;
70 static char filesecret[256];
71 const char *radius_dir = RADDBDIR;
72 const char *progname = "radeapclient";
73 /* lrad_randctx randctx; */
76 radlog_dest_t radlog_dest = RADLOG_STDERR;
77 const char *radlog_dir = NULL;
79 struct main_config_t mainconfig;
82 struct eapsim_keys eapsim_mk;
84 static void NEVER_RETURNS usage(void)
86 fprintf(stderr, "Usage: radeapclient [options] server[:port] <command> [<secret>]\n");
88 fprintf(stderr, " <command> One of auth, acct, status, or disconnect.\n");
89 fprintf(stderr, " -c count Send each packet 'count' times.\n");
90 fprintf(stderr, " -d raddb Set dictionary directory.\n");
91 fprintf(stderr, " -f file Read packets from file, not stdin.\n");
92 fprintf(stderr, " -r retries If timeout, retry sending the packet 'retries' times.\n");
93 fprintf(stderr, " -t timeout Wait 'timeout' seconds before retrying (may be a floating point number).\n");
94 fprintf(stderr, " -i id Set request id to 'id'. Values may be 0..255\n");
95 fprintf(stderr, " -S file read secret from file, not command line.\n");
96 fprintf(stderr, " -q Do not print anything out.\n");
97 fprintf(stderr, " -s Print out summary information of auth results.\n");
98 fprintf(stderr, " -v Show program version information.\n");
99 fprintf(stderr, " -x Debugging mode.\n");
104 int radlog(int lvl, const char *msg, ...)
109 r = lvl; /* shut up compiler */
112 r = vfprintf(stderr, msg, ap);
119 static int getport(const char *name)
123 svp = getservbyname (name, "udp");
128 return ntohs(svp->s_port);
131 static int send_packet(RADIUS_PACKET *req, RADIUS_PACKET **rep)
136 for (i = 0; i < retries; i++) {
139 rad_send(req, NULL, secret);
141 /* And wait for reply, timing out as necessary */
143 FD_SET(req->sockfd, &rdfdesc);
145 tv.tv_sec = (int)timeout;
146 tv.tv_usec = 1000000 * (timeout - (int) timeout);
148 /* Something's wrong if we don't get exactly one fd. */
149 if (select(req->sockfd + 1, &rdfdesc, NULL, NULL, &tv) != 1) {
153 *rep = rad_recv(req->sockfd);
156 * If we get a response from a machine
157 * which we did NOT send a request to,
160 if (((*rep)->src_ipaddr != req->dst_ipaddr) ||
161 ((*rep)->src_port != req->dst_port)) {
162 char src[64], dst[64];
164 ip_ntoa(src, (*rep)->src_ipaddr);
165 ip_ntoa(dst, req->dst_ipaddr);
166 fprintf(stderr, "radclient: ERROR: Sent request to host %s port %d, got response from host %s port %d\n!",
168 src, (*rep)->src_port);
172 } else { /* NULL: couldn't receive the packet */
173 librad_perror("radclient:");
178 /* No response or no data read (?) */
180 fprintf(stderr, "radclient: no response from server\n");
185 * FIXME: Discard the packet & listen for another.
187 * Hmm... we should really be using eapol_test, which does
188 * a lot more than radeapclient.
190 if (rad_decode(*rep, req, secret) != 0) {
191 librad_perror("rad_decode");
195 /* libradius debug already prints out the value pairs for us */
196 if (!librad_debug && do_output) {
197 printf("Received response ID %d, code %d, length = %d\n",
198 (*rep)->id, (*rep)->code, (*rep)->data_len);
199 vp_printlist(stdout, (*rep)->vps);
201 if((*rep)->code == PW_AUTHENTICATION_ACK) {
210 static void cleanresp(RADIUS_PACKET *resp)
212 VALUE_PAIR *vpnext, *vp, **last;
216 * maybe should just copy things we care about, or keep
217 * a copy of the original input and start from there again?
219 pairdelete(&resp->vps, PW_EAP_MESSAGE);
220 pairdelete(&resp->vps, ATTRIBUTE_EAP_BASE+PW_EAP_IDENTITY);
223 for(vp = *last; vp != NULL; vp = vpnext)
227 if((vp->attribute > ATTRIBUTE_EAP_BASE &&
228 vp->attribute <= ATTRIBUTE_EAP_BASE+256) ||
229 (vp->attribute > ATTRIBUTE_EAP_SIM_BASE &&
230 vp->attribute <= ATTRIBUTE_EAP_SIM_BASE+256))
241 * we got an EAP-Request/Sim/Start message in a legal state.
243 * pick a supported version, put it into the reply, and insert a nonce.
245 static int process_eap_start(RADIUS_PACKET *req,
248 VALUE_PAIR *vp, *newvp;
249 VALUE_PAIR *anyidreq_vp, *fullauthidreq_vp, *permanentidreq_vp;
250 uint16_t *versions, selectedversion;
251 unsigned int i,versioncount;
253 /* form new response clear of any EAP stuff */
256 if((vp = pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_VERSION_LIST)) == NULL) {
257 fprintf(stderr, "illegal start message has no VERSION_LIST\n");
261 versions = (uint16_t *)vp->strvalue;
263 /* verify that the attribute length is big enough for a length field */
266 fprintf(stderr, "start message has illegal VERSION_LIST. Too short: %d\n", vp->length);
270 versioncount = ntohs(versions[0])/2;
271 /* verify that the attribute length is big enough for the given number
272 * of versions present.
274 if((unsigned)vp->length <= (versioncount*2 + 2))
276 fprintf(stderr, "start message is too short. Claimed %d versions does not fit in %d bytes\n", versioncount, vp->length);
281 * record the versionlist for the MK calculation.
283 eapsim_mk.versionlistlen = versioncount*2;
284 memcpy(eapsim_mk.versionlist, (unsigned char *)(versions+1),
285 eapsim_mk.versionlistlen);
287 /* walk the version list, and pick the one we support, which
288 * at present, is 1, EAP_SIM_VERSION.
291 for(i=0; i < versioncount; i++)
293 if(ntohs(versions[i+1]) == EAP_SIM_VERSION)
295 selectedversion=EAP_SIM_VERSION;
299 if(selectedversion == 0)
301 fprintf(stderr, "eap-sim start message. No compatible version found. We need %d\n", EAP_SIM_VERSION);
302 for(i=0; i < versioncount; i++)
304 fprintf(stderr, "\tfound version %d\n",
305 ntohs(versions[i+1]));
310 * now make sure that we have only FULLAUTH_ID_REQ.
311 * I think that it actually might not matter - we can answer in
312 * anyway we like, but it is illegal to have more than one
315 anyidreq_vp = pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_ANY_ID_REQ);
316 fullauthidreq_vp = pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_FULLAUTH_ID_REQ);
317 permanentidreq_vp = pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_PERMANENT_ID_REQ);
319 if(fullauthidreq_vp == NULL ||
320 anyidreq_vp != NULL ||
321 permanentidreq_vp != NULL) {
322 fprintf(stderr, "start message has %sanyidreq, %sfullauthid and %spermanentid. Illegal combination.\n",
323 (anyidreq_vp != NULL ? "a " : "no "),
324 (fullauthidreq_vp != NULL ? "a " : "no "),
325 (permanentidreq_vp != NULL ? "a " : "no "));
329 /* okay, we have just any_id_req there, so fill in response */
331 /* mark the subtype as being EAP-SIM/Response/Start */
332 newvp = paircreate(ATTRIBUTE_EAP_SIM_SUBTYPE, PW_TYPE_INTEGER);
333 newvp->lvalue = eapsim_start;
334 pairreplace(&(rep->vps), newvp);
336 /* insert selected version into response. */
337 newvp = paircreate(ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_SELECTED_VERSION,
339 versions = (uint16_t *)newvp->strvalue;
340 versions[0] = htons(selectedversion);
342 pairreplace(&(rep->vps), newvp);
344 /* record the selected version */
345 memcpy(eapsim_mk.versionselect, (unsigned char *)versions, 2);
352 * insert a nonce_mt that we make up.
354 newvp = paircreate(ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_NONCE_MT,
356 newvp->strvalue[0]=0;
357 newvp->strvalue[1]=0;
358 newvp->length = 18; /* 16 bytes of nonce + padding */
360 nonce[0]=lrad_rand();
361 nonce[1]=lrad_rand();
362 nonce[2]=lrad_rand();
363 nonce[3]=lrad_rand();
364 memcpy(&newvp->strvalue[2], nonce, 16);
365 pairreplace(&(rep->vps), newvp);
367 /* also keep a copy of the nonce! */
368 memcpy(eapsim_mk.nonce_mt, nonce, 16);
372 uint16_t *pidlen, idlen;
375 * insert the identity here.
377 vp = pairfind(rep->vps, PW_USER_NAME);
380 fprintf(stderr, "eap-sim: We need to have a User-Name attribute!\n");
383 newvp = paircreate(ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_IDENTITY,
385 idlen = strlen(vp->strvalue);
386 pidlen = (uint16_t *)newvp->strvalue;
387 *pidlen = htons(idlen);
388 newvp->length = idlen + 2;
390 memcpy(&newvp->strvalue[2], vp->strvalue, idlen);
391 pairreplace(&(rep->vps), newvp);
394 memcpy(eapsim_mk.identity, vp->strvalue, idlen);
395 eapsim_mk.identitylen = idlen;
402 * we got an EAP-Request/Sim/Challenge message in a legal state.
404 * use the RAND challenge to produce the SRES result, and then
405 * use that to generate a new MAC.
407 * for the moment, we ignore the RANDs, then just plug in the SRES
411 static int process_eap_challenge(RADIUS_PACKET *req,
415 VALUE_PAIR *mac, *randvp;
416 VALUE_PAIR *sres1,*sres2,*sres3;
417 VALUE_PAIR *Kc1, *Kc2, *Kc3;
420 /* look for the AT_MAC and the challenge data */
421 mac = pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_MAC);
422 randvp= pairfind(req->vps, ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_RAND);
423 if(mac == NULL || rand == NULL) {
424 fprintf(stderr, "radeapclient: challenge message needs to contain RAND and MAC\n");
429 * compare RAND with randX, to verify this is the right response
433 VALUE_PAIR *randcfgvp[3];
434 unsigned char *randcfg[3];
436 randcfg[0] = &randvp->strvalue[2];
437 randcfg[1] = &randvp->strvalue[2+EAPSIM_RAND_SIZE];
438 randcfg[2] = &randvp->strvalue[2+EAPSIM_RAND_SIZE*2];
440 randcfgvp[0] = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_RAND1);
441 randcfgvp[1] = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_RAND2);
442 randcfgvp[2] = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_RAND3);
444 if(randcfgvp[0] == NULL ||
445 randcfgvp[1] == NULL ||
446 randcfgvp[2] == NULL) {
447 fprintf(stderr, "radeapclient: needs to have rand1, 2 and 3 set.\n");
451 if(memcmp(randcfg[0], randcfgvp[0]->strvalue, EAPSIM_RAND_SIZE)!=0 ||
452 memcmp(randcfg[1], randcfgvp[1]->strvalue, EAPSIM_RAND_SIZE)!=0 ||
453 memcmp(randcfg[2], randcfgvp[2]->strvalue, EAPSIM_RAND_SIZE)!=0) {
456 fprintf(stderr, "radeapclient: one of rand 1,2,3 didn't match\n");
457 for(rnum = 0; rnum < 3; rnum++) {
458 fprintf(stderr, "received rand %d: ", rnum);
460 for (i = 0; i < EAPSIM_RAND_SIZE; i++) {
467 fprintf(stderr, "%02x", randcfg[rnum][i]);
469 fprintf(stderr, "\nconfigured rand %d: ", rnum);
471 for (i = 0; i < EAPSIM_RAND_SIZE; i++) {
478 fprintf(stderr, "%02x", randcfgvp[rnum]->strvalue[i]);
480 fprintf(stderr, "\n");
487 * now dig up the sres values from the response packet,
488 * which were put there when we read things in.
490 * Really, they should be calculated from the RAND!
493 sres1 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_SRES1);
494 sres2 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_SRES2);
495 sres3 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_SRES3);
500 fprintf(stderr, "radeapclient: needs to have sres1, 2 and 3 set.\n");
503 memcpy(eapsim_mk.sres[0], sres1->strvalue, sizeof(eapsim_mk.sres[0]));
504 memcpy(eapsim_mk.sres[1], sres2->strvalue, sizeof(eapsim_mk.sres[1]));
505 memcpy(eapsim_mk.sres[2], sres3->strvalue, sizeof(eapsim_mk.sres[2]));
507 Kc1 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_KC1);
508 Kc2 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_KC2);
509 Kc3 = pairfind(rep->vps, ATTRIBUTE_EAP_SIM_KC3);
514 fprintf(stderr, "radeapclient: needs to have Kc1, 2 and 3 set.\n");
517 memcpy(eapsim_mk.Kc[0], Kc1->strvalue, sizeof(eapsim_mk.Kc[0]));
518 memcpy(eapsim_mk.Kc[1], Kc2->strvalue, sizeof(eapsim_mk.Kc[1]));
519 memcpy(eapsim_mk.Kc[2], Kc3->strvalue, sizeof(eapsim_mk.Kc[2]));
521 /* all set, calculate keys */
522 eapsim_calculate_keys(&eapsim_mk);
525 eapsim_dump_mk(&eapsim_mk);
528 /* verify the MAC, now that we have all the keys. */
529 if(eapsim_checkmac(req->vps, eapsim_mk.K_aut,
530 eapsim_mk.nonce_mt, sizeof(eapsim_mk.nonce_mt),
532 printf("MAC check succeed\n");
536 printf("calculated MAC (");
537 for (i = 0; i < 20; i++) {
544 printf("%02x", calcmac[i]);
546 printf(" did not match\n");
550 /* form new response clear of any EAP stuff */
553 /* mark the subtype as being EAP-SIM/Response/Start */
554 newvp = paircreate(ATTRIBUTE_EAP_SIM_SUBTYPE, PW_TYPE_INTEGER);
555 newvp->lvalue = eapsim_challenge;
556 pairreplace(&(rep->vps), newvp);
559 * fill the SIM_MAC with a field that will in fact get appended
560 * to the packet before the MAC is calculated
562 newvp = paircreate(ATTRIBUTE_EAP_SIM_BASE+PW_EAP_SIM_MAC,
564 memcpy(newvp->strvalue+EAPSIM_SRES_SIZE*0, sres1->strvalue, EAPSIM_SRES_SIZE);
565 memcpy(newvp->strvalue+EAPSIM_SRES_SIZE*1, sres2->strvalue, EAPSIM_SRES_SIZE);
566 memcpy(newvp->strvalue+EAPSIM_SRES_SIZE*2, sres3->strvalue, EAPSIM_SRES_SIZE);
567 newvp->length = EAPSIM_SRES_SIZE*3;
568 pairreplace(&(rep->vps), newvp);
570 newvp = paircreate(ATTRIBUTE_EAP_SIM_KEY, PW_TYPE_OCTETS);
571 memcpy(newvp->strvalue, eapsim_mk.K_aut, EAPSIM_AUTH_SIZE);
572 newvp->length = EAPSIM_AUTH_SIZE;
573 pairreplace(&(rep->vps), newvp);
579 * this code runs the EAP-SIM client state machine.
580 * the *request* is from the server.
581 * the *reponse* is to the server.
584 static int respond_eap_sim(RADIUS_PACKET *req,
587 enum eapsim_clientstates state, newstate;
588 enum eapsim_subtype subtype;
589 VALUE_PAIR *vp, *statevp, *radstate, *eapid;
590 char statenamebuf[32], subtypenamebuf[32];
592 if ((radstate = paircopy2(req->vps, PW_STATE)) == NULL)
597 if ((eapid = paircopy2(req->vps, ATTRIBUTE_EAP_ID)) == NULL)
602 /* first, dig up the state from the request packet, setting
603 * outselves to be in EAP-SIM-Start state if there is none.
606 if((statevp = pairfind(resp->vps, ATTRIBUTE_EAP_SIM_STATE)) == NULL)
608 /* must be initial request */
609 statevp = paircreate(ATTRIBUTE_EAP_SIM_STATE, PW_TYPE_INTEGER);
610 statevp->lvalue = eapsim_client_init;
611 pairreplace(&(resp->vps), statevp);
613 state = statevp->lvalue;
616 * map the attributes, and authenticate them.
618 unmap_eapsim_types(req);
620 printf("<+++ EAP-sim decoded packet:\n");
621 vp_printlist(stdout, req->vps);
623 if((vp = pairfind(req->vps, ATTRIBUTE_EAP_SIM_SUBTYPE)) == NULL)
627 subtype = vp->lvalue;
630 * look for the appropriate state, and process incoming message
633 case eapsim_client_init:
636 newstate = process_eap_start(req, resp);
639 case eapsim_challenge:
640 case eapsim_notification:
643 fprintf(stderr, "radeapclient: sim in state %s message %s is illegal. Reply dropped.\n",
644 sim_state2name(state, statenamebuf, sizeof(statenamebuf)),
645 sim_subtype2name(subtype, subtypenamebuf, sizeof(subtypenamebuf)));
646 /* invalid state, drop message */
651 case eapsim_client_start:
654 /* NOT SURE ABOUT THIS ONE, retransmit, I guess */
655 newstate = process_eap_start(req, resp);
658 case eapsim_challenge:
659 newstate = process_eap_challenge(req, resp);
663 fprintf(stderr, "radeapclient: sim in state %s message %s is illegal. Reply dropped.\n",
664 sim_state2name(state, statenamebuf, sizeof(statenamebuf)),
665 sim_subtype2name(subtype, subtypenamebuf, sizeof(subtypenamebuf)));
666 /* invalid state, drop message */
673 fprintf(stderr, "radeapclient: sim in illegal state %s\n",
674 sim_state2name(state, statenamebuf, sizeof(statenamebuf)));
678 /* copy the eap state object in */
679 pairreplace(&(resp->vps), eapid);
681 /* update stete info, and send new packet */
682 map_eapsim_types(resp);
684 /* copy the radius state object in */
685 pairreplace(&(resp->vps), radstate);
687 statevp->lvalue = newstate;
691 static int respond_eap_md5(RADIUS_PACKET *req,
694 VALUE_PAIR *vp, *id, *state;
695 int valuesize, namesize;
696 unsigned char identifier;
697 unsigned char *value;
704 if ((state = paircopy2(req->vps, PW_STATE)) == NULL)
706 fprintf(stderr, "radeapclient: no state attribute found\n");
710 if ((id = paircopy2(req->vps, ATTRIBUTE_EAP_ID)) == NULL)
712 fprintf(stderr, "radeapclient: no EAP-ID attribute found\n");
715 identifier = id->lvalue;
717 if ((vp = pairfind(req->vps, ATTRIBUTE_EAP_BASE+PW_EAP_MD5)) == NULL)
719 fprintf(stderr, "radeapclient: no EAP-MD5 attribute found\n");
723 /* got the details of the MD5 challenge */
724 valuesize = vp->strvalue[0];
725 value = &vp->strvalue[1];
726 name = &vp->strvalue[valuesize+1];
727 namesize = vp->length - (valuesize + 1);
730 if(valuesize > vp->length)
732 fprintf(stderr, "radeapclient: md5 valuesize if too big (%d > %d)\n",
733 valuesize, vp->length);
737 /* now do the CHAP operation ourself, rather than build the
738 * buffer. We could also call rad_chap_encode, but it wants
739 * a CHAP-Challenge, which we don't want to bother with.
741 librad_MD5Init(&context);
742 librad_MD5Update(&context, &identifier, 1);
743 librad_MD5Update(&context, password, strlen(password));
744 librad_MD5Update(&context, value, valuesize);
745 librad_MD5Final(response, &context);
747 vp = paircreate(ATTRIBUTE_EAP_BASE+PW_EAP_MD5, PW_TYPE_OCTETS);
749 memcpy(&vp->strvalue[1], response, 16);
752 pairreplace(&(rep->vps), vp);
754 pairreplace(&(rep->vps), id);
756 /* copy the state object in */
757 pairreplace(&(rep->vps), state);
764 static int sendrecv_eap(RADIUS_PACKET *rep)
766 RADIUS_PACKET *req = NULL;
767 VALUE_PAIR *vp, *vpnext;
768 int tried_eap_md5 = 0;
771 * Keep a copy of the the User-Password attribute.
773 if ((vp = pairfind(rep->vps, ATTRIBUTE_EAP_MD5_PASSWORD)) != NULL) {
774 strNcpy(password, (char *)vp->strvalue, sizeof(vp->strvalue));
776 } else if ((vp = pairfind(rep->vps, PW_PASSWORD)) != NULL) {
777 strNcpy(password, (char *)vp->strvalue, sizeof(vp->strvalue));
779 * Otherwise keep a copy of the CHAP-Password attribute.
781 } else if ((vp = pairfind(rep->vps, PW_CHAP_PASSWORD)) != NULL) {
782 strNcpy(password, (char *)vp->strvalue, sizeof(vp->strvalue));
790 printf("\n+++> About to send encoded packet:\n");
791 vp_printlist(stdout, rep->vps);
794 * if there are EAP types, encode them into an EAP-Message
800 * Fix up Digest-Attributes issues
802 for (vp = rep->vps; vp != NULL; vp = vp->next) {
803 switch (vp->attribute) {
807 case PW_DIGEST_REALM:
808 case PW_DIGEST_NONCE:
809 case PW_DIGEST_METHOD:
812 case PW_DIGEST_ALGORITHM:
813 case PW_DIGEST_BODY_DIGEST:
814 case PW_DIGEST_CNONCE:
815 case PW_DIGEST_NONCE_COUNT:
816 case PW_DIGEST_USER_NAME:
818 memmove(&vp->strvalue[2], &vp->strvalue[0], vp->length);
819 vp->strvalue[0] = vp->attribute - PW_DIGEST_REALM + 1;
821 vp->strvalue[1] = vp->length;
822 vp->attribute = PW_DIGEST_ATTRIBUTES;
828 * If we've already sent a packet, free up the old
829 * one, and ensure that the next packet has a unique
830 * ID and authentication vector.
837 librad_md5_calc(rep->vector, rep->vector,
838 sizeof(rep->vector));
840 if (*password != '\0') {
841 if ((vp = pairfind(rep->vps, PW_PASSWORD)) != NULL) {
842 strNcpy((char *)vp->strvalue, password, strlen(password) + 1);
843 vp->length = strlen(password);
845 } else if ((vp = pairfind(rep->vps, PW_CHAP_PASSWORD)) != NULL) {
846 strNcpy((char *)vp->strvalue, password, strlen(password) + 1);
847 vp->length = strlen(password);
849 rad_chap_encode(rep, (char *) vp->strvalue, rep->id, vp);
852 } /* there WAS a password */
854 /* send the response, wait for the next request */
855 send_packet(rep, &req);
857 /* okay got back the packet, go and decode the EAP-Message. */
858 unmap_eap_types(req);
860 printf("<+++ EAP decoded packet:\n");
861 vp_printlist(stdout, req->vps);
863 /* now look for the code type. */
864 for (vp = req->vps; vp != NULL; vp = vpnext) {
867 switch (vp->attribute) {
871 case ATTRIBUTE_EAP_BASE+PW_EAP_MD5:
872 if(respond_eap_md5(req, rep) && tried_eap_md5 < 3)
879 case ATTRIBUTE_EAP_BASE+PW_EAP_SIM:
880 if(respond_eap_sim(req, rep))
892 int main(int argc, char **argv)
898 char *filename = NULL;
903 id = ((int)getpid() & 0xff);
906 radlog_dest = RADLOG_STDERR;
908 while ((c = getopt(argc, argv, "c:d:f:hi:qst:r:S:xXv")) != EOF)
912 if (!isdigit((int) *optarg))
914 count = atoi(optarg);
931 sha1_data_problems = 1;
937 if (!isdigit((int) *optarg))
939 retries = atoi(optarg);
942 if (!isdigit((int) *optarg))
945 if ((id < 0) || (id > 255)) {
953 if (!isdigit((int) *optarg))
955 timeout = atof(optarg);
958 printf("radclient: $Id$ built on " __DATE__ " at " __TIME__ "\n");
962 fp = fopen(optarg, "r");
964 fprintf(stderr, "radclient: Error opening %s: %s\n",
965 optarg, strerror(errno));
968 if (fgets(filesecret, sizeof(filesecret), fp) == NULL) {
969 fprintf(stderr, "radclient: Error reading %s: %s\n",
970 optarg, strerror(errno));
975 /* truncate newline */
976 p = filesecret + strlen(filesecret) - 1;
977 while ((p >= filesecret) &&
983 if (strlen(filesecret) < 2) {
984 fprintf(stderr, "radclient: Secret in %s is too short\n", optarg);
995 argc -= (optind - 1);
996 argv += (optind - 1);
999 ((secret == NULL) && (argc < 4))) {
1003 if (dict_init(radius_dir, RADIUS_DICTIONARY) < 0) {
1004 librad_perror("radclient");
1008 if ((req = rad_alloc(1)) == NULL) {
1009 librad_perror("radclient");
1017 if((randinit = fopen("/dev/urandom", "r")) == NULL)
1019 perror("/dev/urandom");
1021 fread(randctx.randrsl, 256, 1, randinit);
1025 lrad_randinit(&randctx, 1);
1031 * Strip port from hostname if needed.
1033 if ((p = strchr(argv[1], ':')) != NULL) {
1039 * See what kind of request we want to send.
1041 if (strcmp(argv[2], "auth") == 0) {
1042 if (port == 0) port = getport("radius");
1043 if (port == 0) port = PW_AUTH_UDP_PORT;
1044 req->code = PW_AUTHENTICATION_REQUEST;
1046 } else if (strcmp(argv[2], "acct") == 0) {
1047 if (port == 0) port = getport("radacct");
1048 if (port == 0) port = PW_ACCT_UDP_PORT;
1049 req->code = PW_ACCOUNTING_REQUEST;
1052 } else if (strcmp(argv[2], "status") == 0) {
1053 if (port == 0) port = getport("radius");
1054 if (port == 0) port = PW_AUTH_UDP_PORT;
1055 req->code = PW_STATUS_SERVER;
1057 } else if (strcmp(argv[2], "disconnect") == 0) {
1058 if (port == 0) port = PW_POD_UDP_PORT;
1059 req->code = PW_DISCONNECT_REQUEST;
1061 } else if (isdigit((int) argv[2][0])) {
1062 if (port == 0) port = getport("radius");
1063 if (port == 0) port = PW_AUTH_UDP_PORT;
1064 req->code = atoi(argv[2]);
1070 * Ensure that the configuration is initialized.
1072 memset(&mainconfig, 0, sizeof(mainconfig));
1077 req->dst_port = port;
1078 req->dst_ipaddr = ip_getaddr(argv[1]);
1079 if (req->dst_ipaddr == INADDR_NONE) {
1080 fprintf(stderr, "radclient: Failed to find IP address for host %s\n", argv[1]);
1087 if (argv[3]) secret = argv[3];
1091 * Maybe read them, from stdin, if there's no
1092 * filename, or if the filename is '-'.
1094 if (filename && (strcmp(filename, "-") != 0)) {
1095 fp = fopen(filename, "r");
1097 fprintf(stderr, "radclient: Error opening %s: %s\n",
1098 filename, strerror(errno));
1108 if ((req->sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
1109 perror("radclient: socket: ");
1114 if(req->vps) pairfree(&req->vps);
1116 if ((req->vps = readvp2(fp, &filedone, "radeapclient:"))
1125 printf("\n\t Total approved auths: %d\n", totalapp);
1126 printf("\t Total denied auths: %d\n", totaldeny);