The FreeRADIUS server $Id: 15bac2a4c627c01d1aa2047687b3418955ac7f00 $
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radclient.c
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1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
15 */
16
17/**
18 * $Id: 43225be2aa93b719f3c1f8e9dc0499afdd8cc7d4 $
19 *
20 * @file src/bin/radclient.c
21 * @brief General radius client and debug tool.
22 *
23 * @copyright 2000,2006,2014 The FreeRADIUS server project
24 * @copyright 2000 Miquel van Smoorenburg (miquels@cistron.nl)
25 * @copyright 2000 Alan DeKok (aland@freeradius.org)
26 */
27
28RCSID("$Id: 43225be2aa93b719f3c1f8e9dc0499afdd8cc7d4 $")
29
30#include <freeradius-devel/util/conf.h>
31#include <freeradius-devel/util/syserror.h>
32#include <freeradius-devel/util/atexit.h>
33#include <freeradius-devel/util/pair_legacy.h>
34#include <freeradius-devel/util/time.h>
35#include <freeradius-devel/server/packet.h>
36#include <freeradius-devel/radius/list.h>
37#include <freeradius-devel/radius/radius.h>
38#include <freeradius-devel/util/chap.h>
39#ifdef HAVE_OPENSSL_SSL_H
40#include <openssl/ssl.h>
41#include <freeradius-devel/util/md4.h>
42#endif
43
44#ifdef HAVE_GETOPT_H
45# include <getopt.h>
46#endif
47
48
49typedef struct request_s request_t; /* to shut up warnings about mschap.h */
50
51#include "smbdes.h"
52#include "mschap.h"
53
54#include "radclient.h"
55
56#define pair_update_request(_attr, _da) do { \
57 _attr = fr_pair_find_by_da(&request->request_pairs, NULL, _da); \
58 if (!_attr) { \
59 _attr = fr_pair_afrom_da(request, _da); \
60 fr_assert(_attr != NULL); \
61 fr_pair_append(&request->request_pairs, _attr); \
62 } \
63 } while (0)
64
65static int retries = 3;
66static fr_time_delta_t timeout = fr_time_delta_wrap((int64_t)5 * NSEC); /* 5 seconds */
67static fr_time_delta_t sleep_time = fr_time_delta_wrap(-1);
68static char *secret = NULL;
69static bool do_output = true;
70
71static const char *attr_coa_filter_name = "User-Name";
72
73static rc_stats_t stats;
74
75static uint16_t server_port = 0;
76static int packet_code = FR_RADIUS_CODE_UNDEFINED;
77static fr_ipaddr_t server_ipaddr;
78static int resend_count = 1;
79static int ignore_count = 0;
80static bool done = true;
81static bool print_filename = false;
82static bool blast_radius = false;
83
84static fr_ipaddr_t client_ipaddr;
85static uint16_t client_port = 0;
86
87static int sockfd;
88static int last_used_id = -1;
89
90static int ipproto = IPPROTO_UDP;
91
92static bool do_coa = false;
93static int coafd;
94static uint16_t coa_port = FR_COA_UDP_PORT;
95static fr_rb_tree_t *coa_tree = NULL;
96
97static fr_packet_list_t *packet_list = NULL;
98
99static FR_DLIST_HEAD(rc_request_list) rc_request_list;
100
101static char const *radclient_version = RADIUSD_VERSION_BUILD("radclient");
102
103static fr_dict_t const *dict_freeradius;
104static fr_dict_t const *dict_radius;
105
106static const fr_dict_autoload_t radclient_dict[] = {
107 { .out = &dict_freeradius, .proto = "freeradius" },
108 { .out = &dict_radius, .proto = "radius" },
109 DICT_AUTOLOAD_TERMINATOR
110};
111
112static fr_dict_attr_t const *attr_cleartext_password;
113
114static fr_dict_attr_t const *attr_ms_chap_challenge;
115static fr_dict_attr_t const *attr_ms_chap_password;
116static fr_dict_attr_t const *attr_ms_chap_response;
117
118static fr_dict_attr_t const *attr_radclient_test_name;
119static fr_dict_attr_t const *attr_request_authenticator;
120
121static fr_dict_attr_t const *attr_chap_password;
122static fr_dict_attr_t const *attr_chap_challenge;
123static fr_dict_attr_t const *attr_packet_type;
124static fr_dict_attr_t const *attr_user_name;
125static fr_dict_attr_t const *attr_user_password;
126static fr_dict_attr_t const *attr_proxy_state;
127static fr_dict_attr_t const *attr_message_authenticator;
128
129static fr_dict_attr_t const *attr_radclient_coa_filename;
130static fr_dict_attr_t const *attr_radclient_coa_filter;
131
132static fr_dict_attr_t const *attr_coa_match_attr = NULL;
133
134static const fr_dict_attr_autoload_t radclient_dict_attr[] = {
135 { .out = &attr_cleartext_password, .name = "Password.Cleartext", .type = FR_TYPE_STRING, .dict = &dict_freeradius },
136 { .out = &attr_ms_chap_challenge, .name = "Vendor-Specific.Microsoft.CHAP-Challenge", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
137 { .out = &attr_ms_chap_password, .name = "Password.MS-CHAP", .type = FR_TYPE_STRING, .dict = &dict_freeradius },
138 { .out = &attr_ms_chap_response, .name = "Vendor-Specific.Microsoft.CHAP-Response", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
139
140 { .out = &attr_radclient_test_name, .name = "Radclient-Test-Name", .type = FR_TYPE_STRING, .dict = &dict_freeradius },
141 { .out = &attr_request_authenticator, .name = "Request-Authenticator", .type = FR_TYPE_OCTETS, .dict = &dict_freeradius },
142
143 { .out = &attr_radclient_coa_filename, .name = "Radclient-CoA-Filename", .type = FR_TYPE_STRING, .dict = &dict_freeradius },
144 { .out = &attr_radclient_coa_filter, .name = "Radclient-CoA-Filter", .type = FR_TYPE_STRING, .dict = &dict_freeradius },
145
146 { .out = &attr_chap_password, .name = "CHAP-Password", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
147 { .out = &attr_chap_challenge, .name = "CHAP-Challenge", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
148 { .out = &attr_packet_type, .name = "Packet-Type", .type = FR_TYPE_UINT32, .dict = &dict_radius },
149 { .out = &attr_user_password, .name = "User-Password", .type = FR_TYPE_STRING, .dict = &dict_radius },
150 { .out = &attr_user_name, .name = "User-Name", .type = FR_TYPE_STRING, .dict = &dict_radius },
151 { .out = &attr_proxy_state, .name = "Proxy-State", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
152 { .out = &attr_message_authenticator, .name = "Message-Authenticator", .type = FR_TYPE_OCTETS, .dict = &dict_radius },
153
154 DICT_AUTOLOAD_TERMINATOR
155};
156
157static NEVER_RETURNS void usage(void)
158{
159 fprintf(stderr, "Usage: radclient [options] server[:port] <command> [<secret>]\n");
160
161 fprintf(stderr, " <command> One of auth, acct, status, coa, disconnect or auto.\n");
162 fprintf(stderr, " -4 Use IPv4 address of server\n");
163 fprintf(stderr, " -6 Use IPv6 address of server.\n");
164 fprintf(stderr, " -A <attribute> Use named 'attribute' to match CoA requests to packets. Default is User-Name\n");
165 fprintf(stderr, " -b Mandate checks for Blast RADIUS issue (this is not set by default).\n");
166 fprintf(stderr, " -C [<client_ip>:]<client_port> Client source port and source IP address. Port values may be 1..65535\n");
167 fprintf(stderr, " -c <count> Send each packet 'count' times.\n");
168 fprintf(stderr, " -d <confdir> Set user dictionary directory (defaults to " CONFDIR ").\n");
169 fprintf(stderr, " -D <dictdir> Set main dictionary directory (defaults to " DICTDIR ").\n");
170 fprintf(stderr, " -f <request>[:<expected>][:<coa_reply>][:<coa_expected>] Read packets from file, not stdin.\n");
171 fprintf(stderr, " If a second file is provided, it will be used to verify responses\n");
172 fprintf(stderr, " -F Print the file name, packet number and reply code.\n");
173 fprintf(stderr, " -h Print usage help information.\n");
174 fprintf(stderr, " -i <id> Set request id to 'id'. Values may be 0..255\n");
175 fprintf(stderr, " -n <num> Send N requests/s\n");
176 fprintf(stderr, " -o <port> Set CoA listening port (defaults to 3799)\n");
177 fprintf(stderr, " -p <num> Send 'num' packets from a file in parallel.\n");
178 fprintf(stderr, " -P <proto> Use proto (tcp or udp) for transport.\n");
179 fprintf(stderr, " -r <retries> If timeout, retry sending the packet 'retries' times.\n");
180 fprintf(stderr, " -s Print out summary information of auth results.\n");
181 fprintf(stderr, " -S <file> read secret from file, not command line.\n");
182 fprintf(stderr, " -t <timeout> Wait 'timeout' seconds before retrying (may be a floating point number).\n");
183 fprintf(stderr, " -v Show program version information.\n");
184 fprintf(stderr, " -x Debugging mode.\n");
185
186 fr_exit_now(EXIT_SUCCESS);
187}
188
189/*
190 * Free a radclient struct, which may (or may not)
191 * already be in the list.
192 */
193static int _rc_request_free(rc_request_t *request)
194{
195 rc_request_list_remove(&rc_request_list, request);
196
197 if (do_coa) (void) fr_rb_delete_by_inline_node(coa_tree, &request->node);
198
199 return 0;
200}
201
202#ifdef HAVE_OPENSSL_SSL_H
203#include <openssl/provider.h>
204
205static OSSL_PROVIDER *openssl_default_provider = NULL;
206static OSSL_PROVIDER *openssl_legacy_provider = NULL;
207
208static int openssl3_init(void)
209{
210 /*
211 * Load the default provider for most algorithms
212 */
213 openssl_default_provider = OSSL_PROVIDER_load(NULL, "default");
214 if (!openssl_default_provider) {
215 ERROR("(TLS) Failed loading default provider");
216 return -1;
217 }
218
219 /*
220 * Needed for MD4
221 *
222 * https://www.openssl.org/docs/man3.0/man7/migration_guide.html#Legacy-Algorithms
223 */
224 openssl_legacy_provider = OSSL_PROVIDER_load(NULL, "legacy");
225 if (!openssl_legacy_provider) {
226 ERROR("(TLS) Failed loading legacy provider");
227 return -1;
228 }
229
230 fr_md5_openssl_init();
231 fr_md4_openssl_init();
232
233 return 0;
234}
235
236static void openssl3_free(void)
237{
238 if (openssl_default_provider && !OSSL_PROVIDER_unload(openssl_default_provider)) {
239 ERROR("Failed unloading default provider");
240 }
241 openssl_default_provider = NULL;
242
243 if (openssl_legacy_provider && !OSSL_PROVIDER_unload(openssl_legacy_provider)) {
244 ERROR("Failed unloading legacy provider");
245 }
246 openssl_legacy_provider = NULL;
247
248 fr_md5_openssl_free();
249 fr_md4_openssl_free();
250}
251#else
252#define openssl3_init() (0)
253#define openssl3_free()
254#endif
255
256static int mschapv1_encode(fr_packet_t *packet, fr_pair_list_t *list,
257 char const *password)
258{
259 unsigned int i;
260 uint8_t *p;
261 fr_pair_t *challenge, *reply;
262 uint8_t nthash[16];
263
264 fr_pair_delete_by_da(list, attr_ms_chap_challenge);
265 fr_pair_delete_by_da(list, attr_ms_chap_response);
266
267 MEM(challenge = fr_pair_afrom_da(packet, attr_ms_chap_challenge));
268
269 fr_pair_append(list, challenge);
270
271 MEM(p = talloc_array(challenge, uint8_t, 8));
272 fr_pair_value_memdup_buffer_shallow(challenge, p, false);
273
274 for (i = 0; i < challenge->vp_length; i++) {
275 p[i] = fr_rand();
276 }
277
278 MEM(reply = fr_pair_afrom_da(packet, attr_ms_chap_response));
279 fr_pair_append(list, reply);
280 p = talloc_zero_array(reply, uint8_t, 50); /* really reply->da->flags.length */
281 fr_pair_value_memdup_buffer_shallow(reply, p, false);
282
283 p[1] = 0x01; /* NT hash */
284
285 if (mschap_nt_password_hash(nthash, password) < 0) return 0;
286
287 smbdes_mschap(nthash, challenge->vp_octets, p + 26);
288 return 1;
289}
290
291
292static int getport(char const *name)
293{
294 struct servent *svp;
295
296 svp = getservbyname(name, "udp");
297 if (!svp) return 0;
298
299 return ntohs(svp->s_port);
300}
301
302/*
303 * Set a port from the request type if we don't already have one
304 */
305static void radclient_get_port(fr_radius_packet_code_t type, uint16_t *port)
306{
307 switch (type) {
308 default:
309 case FR_RADIUS_CODE_ACCESS_REQUEST:
310 case FR_RADIUS_CODE_ACCESS_CHALLENGE:
311 case FR_RADIUS_CODE_STATUS_SERVER:
312 if (*port == 0) *port = getport("radius");
313 if (*port == 0) *port = FR_AUTH_UDP_PORT;
314 return;
315
316 case FR_RADIUS_CODE_ACCOUNTING_REQUEST:
317 if (*port == 0) *port = getport("radacct");
318 if (*port == 0) *port = FR_ACCT_UDP_PORT;
319 return;
320
321 case FR_RADIUS_CODE_DISCONNECT_REQUEST:
322 if (*port == 0) *port = FR_POD_UDP_PORT;
323 return;
324
325 case FR_RADIUS_CODE_COA_REQUEST:
326 if (*port == 0) *port = FR_COA_UDP_PORT;
327 return;
328
329 case FR_RADIUS_CODE_UNDEFINED:
330 if (*port == 0) *port = 0;
331 return;
332 }
333}
334
335/*
336 * Resolve a port to a request type
337 */
338static fr_radius_packet_code_t radclient_get_code(uint16_t port)
339{
340 /*
341 * getport returns 0 if the service doesn't exist
342 * so we need to return early, to avoid incorrect
343 * codes.
344 */
345 if (port == 0) return FR_RADIUS_CODE_UNDEFINED;
346
347 if ((port == getport("radius")) || (port == FR_AUTH_UDP_PORT) || (port == FR_AUTH_UDP_PORT_ALT)) {
348 return FR_RADIUS_CODE_ACCESS_REQUEST;
349 }
350 if ((port == getport("radacct")) || (port == FR_ACCT_UDP_PORT) || (port == FR_ACCT_UDP_PORT_ALT)) {
351 return FR_RADIUS_CODE_ACCOUNTING_REQUEST;
352 }
353 if (port == FR_COA_UDP_PORT) return FR_RADIUS_CODE_COA_REQUEST;
354
355 return FR_RADIUS_CODE_UNDEFINED;
356}
357
358
359static bool already_hex(fr_pair_t *vp)
360{
361 size_t i;
362
363 if (!vp || (vp->vp_type != FR_TYPE_OCTETS)) return true;
364
365 /*
366 * If it's 17 octets, it *might* be already encoded.
367 * Or, it might just be a 17-character password (maybe UTF-8)
368 * Check it for non-printable characters. The odds of ALL
369 * of the characters being 32..255 is (1-7/8)^17, or (1/8)^17,
370 * or 1/(2^51), which is pretty much zero.
371 */
372 for (i = 0; i < vp->vp_length; i++) {
373 if (vp->vp_octets[i] < 32) {
374 return true;
375 }
376 }
377
378 return false;
379}
380
381/** Read one CoA reply and potentially a filter
382 *
383 *
384 */
385static int coa_init(rc_request_t *parent,
386 FILE *coa_reply, char const *reply_filename, bool *coa_reply_done,
387 FILE *coa_filter, char const *filter_filename, bool *coa_filter_done)
388{
389 rc_request_t *request;
390 fr_pair_t *vp;
391
392 /*
393 * Allocate it.
394 */
395 MEM(request = talloc_zero(parent, rc_request_t));
396 MEM(request->reply = fr_packet_alloc(request, false));
397
398 /*
399 * Don't initialize src/dst IP/port, or anything else. That will be read from the network.
400 */
401 fr_pair_list_init(&request->filter);
402 fr_pair_list_init(&request->request_pairs);
403 fr_pair_list_init(&request->reply_pairs);
404
405 /*
406 * Read the reply VP's.
407 */
408 if (fr_pair_list_afrom_file(request, dict_radius,
409 &request->reply_pairs, coa_reply, coa_reply_done, true) < 0) {
410 REDEBUG("Error parsing \"%s\"", reply_filename);
411 error:
412 talloc_free(request);
413 return -1;
414 }
415
416 /*
417 * The reply can be empty. In which case we just send an empty ACK.
418 */
419 vp = fr_pair_find_by_da(&request->reply_pairs, NULL, attr_packet_type);
420 if (vp) request->reply->code = vp->vp_uint32;
421
422 /*
423 * Read in filter VP's.
424 */
425 if (coa_filter) {
426 if (fr_pair_list_afrom_file(request, dict_radius,
427 &request->filter, coa_filter, coa_filter_done, true) < 0) {
428 REDEBUG("Error parsing \"%s\"", filter_filename);
429 goto error;
430 }
431
432 if (*coa_filter_done && !*coa_reply_done) {
433 REDEBUG("Differing number of replies/filters in %s:%s "
434 "(too many replies))", reply_filename, filter_filename);
435 goto error;
436 }
437
438 if (!*coa_filter_done && *coa_reply_done) {
439 REDEBUG("Differing number of replies/filters in %s:%s "
440 "(too many filters))", reply_filename, filter_filename);
441 goto error;
442 }
443
444 /*
445 * This allows efficient list comparisons later
446 */
447 fr_pair_list_sort(&request->filter, fr_pair_cmp_by_da);
448 }
449
450 request->name = parent->name;
451
452 /*
453 * Automatically set the response code from the request code
454 * (if one wasn't already set).
455 */
456 if (request->filter_code == FR_RADIUS_CODE_UNDEFINED) {
457 request->filter_code = FR_RADIUS_CODE_COA_REQUEST;
458 }
459
460 parent->coa = request;
461
462 /*
463 * Ensure that the packet is also tracked in the CoA tree.
464 */
465 fr_assert(coa_tree);
466 if (!fr_rb_insert(coa_tree, parent)) {
467 ERROR("Failed inserting packet from %s into CoA tree", request->name);
468 fr_exit_now(1);
469 }
470
471 return 0;
472}
473
474/*
475 * Initialize a radclient data structure and add it to
476 * the global linked list.
477 */
478static int radclient_init(TALLOC_CTX *ctx, rc_file_pair_t *files)
479{
480 FILE *packets, *filters = NULL;
481
482 fr_pair_t *vp;
483 rc_request_t *request = NULL;
484 bool packets_done = false;
485 uint64_t num = 0;
486
487 FILE *coa_reply = NULL;
488 FILE *coa_filter = NULL;
489 bool coa_reply_done = false;
490 bool coa_filter_done = false;
491
492 fr_assert(files->packets != NULL);
493
494 /*
495 * Determine where to read the VP's from.
496 */
497 if (strcmp(files->packets, "-") != 0) {
498 packets = fopen(files->packets, "r");
499 if (!packets) {
500 ERROR("Error opening %s: %s", files->packets, fr_syserror(errno));
501 return -1;
502 }
503
504 /*
505 * Read in the pairs representing the expected response.
506 */
507 if (files->filters) {
508 filters = fopen(files->filters, "r");
509 if (!filters) {
510 ERROR("Error opening %s: %s", files->filters, fr_syserror(errno));
511 goto error;
512 }
513 }
514
515 if (files->coa_reply) {
516 coa_reply = fopen(files->coa_reply, "r");
517 if (!coa_reply) {
518 ERROR("Error opening %s: %s", files->coa_reply, fr_syserror(errno));
519 goto error;
520 }
521 }
522
523 if (files->coa_filter) {
524 coa_filter = fopen(files->coa_filter, "r");
525 if (!coa_filter) {
526 ERROR("Error opening %s: %s", files->coa_filter, fr_syserror(errno));
527 goto error;
528 }
529 }
530 } else {
531 packets = stdin;
532 }
533
534 /*
535 * Loop until the file is done.
536 */
537 do {
538 char const *coa_reply_filename = NULL;
539 char const *coa_filter_filename = NULL;
540
541 /*
542 * Allocate it.
543 */
544 MEM(request = talloc_zero(ctx, rc_request_t));
545 MEM(request->packet = fr_packet_alloc(request, true));
546 request->packet->uctx = request;
547
548 request->packet->socket.inet.src_ipaddr = client_ipaddr;
549 request->packet->socket.inet.src_port = client_port;
550 request->packet->socket.inet.dst_ipaddr = server_ipaddr;
551 request->packet->socket.inet.dst_port = server_port;
552 request->packet->socket.type = (ipproto == IPPROTO_TCP) ? SOCK_STREAM : SOCK_DGRAM;
553
554 request->files = files;
555 request->packet->id = last_used_id;
556 request->num = num++;
557
558 fr_pair_list_init(&request->filter);
559 fr_pair_list_init(&request->request_pairs);
560 fr_pair_list_init(&request->reply_pairs);
561
562 /*
563 * Read the request VP's.
564 */
565 if (fr_pair_list_afrom_file(request, dict_radius,
566 &request->request_pairs, packets, &packets_done, true) < 0) {
567 char const *input;
568
569 if ((files->packets[0] == '-') && (files->packets[1] == '\0')) {
570 input = "stdin";
571 } else {
572 input = files->packets;
573 }
574
575 REDEBUG("Error parsing \"%s\"", input);
576 goto error;
577 }
578
579 /*
580 * Skip empty entries
581 */
582 if (fr_pair_list_empty(&request->request_pairs)) {
583 WARN("Skipping \"%s\": No Attributes", files->packets);
584 talloc_free(request);
585 continue;
586 }
587
588 /*
589 * Read in filter VP's.
590 */
591 if (filters) {
592 bool filters_done;
593
594 if (fr_pair_list_afrom_file(request, dict_radius,
595 &request->filter, filters, &filters_done, true) < 0) {
596 REDEBUG("Error parsing \"%s\"", files->filters);
597 goto error;
598 }
599
600 if (filters_done && !packets_done) {
601 REDEBUG("Differing number of packets/filters in %s:%s "
602 "(too many requests))", files->packets, files->filters);
603 goto error;
604 }
605
606 if (!filters_done && packets_done) {
607 REDEBUG("Differing number of packets/filters in %s:%s "
608 "(too many filters))", files->packets, files->filters);
609 goto error;
610 }
611
612 vp = fr_pair_find_by_da(&request->filter, NULL, attr_packet_type);
613 if (vp) {
614 request->filter_code = vp->vp_uint32;
615 fr_pair_delete(&request->filter, vp);
616 }
617
618 /*
619 * This allows efficient list comparisons later
620 */
621 fr_pair_list_sort(&request->filter, fr_pair_cmp_by_da);
622 }
623
624 /*
625 * Process special attributes
626 */
627 for (vp = fr_pair_list_head(&request->request_pairs);
628 vp;
629 vp = fr_pair_list_next(&request->request_pairs, vp)) {
630 /*
631 * Allow it to set the packet type in
632 * the attributes read from the file.
633 */
634 if (vp->da == attr_packet_type) {
635 request->packet->code = vp->vp_uint32;
636 } else if (vp->da == attr_request_authenticator) {
637 if (vp->vp_length >= sizeof(request->packet->vector)) {
638 memcpy(request->packet->vector, vp->vp_octets, sizeof(request->packet->vector));
639 } else {
640 memset(request->packet->vector, 0, sizeof(request->packet->vector));
641 memcpy(request->packet->vector, vp->vp_octets, vp->vp_length);
642 }
643 } else if (vp->da == attr_cleartext_password) {
644 request->password = vp;
645 /*
646 * Keep a copy of the the password attribute.
647 */
648 } else if (vp->da == attr_chap_password) {
649 /*
650 * If it's already hex, do nothing.
651 */
652 if ((vp->vp_length == 17) && (already_hex(vp))) continue;
653
654 /*
655 * CHAP-Password is octets, so it may not be zero terminated.
656 */
657 pair_update_request(request->password, attr_cleartext_password);
658 fr_pair_value_bstrndup(request->password, vp->vp_strvalue, vp->vp_length, true);
659 } else if (vp->da == attr_ms_chap_password) {
660 pair_update_request(request->password, attr_cleartext_password);
661 fr_pair_value_bstrndup(request->password, vp->vp_strvalue, vp->vp_length, true);
662
663 } else if (vp->da == attr_radclient_test_name) {
664 request->name = vp->vp_strvalue;
665
666 /*
667 * Allow these to be dynamically specified
668 * in the request file, as well as on the
669 * command line.
670 */
671 } else if (vp->da == attr_radclient_coa_filename) {
672 coa_reply_filename = vp->vp_strvalue;
673
674 } else if (vp->da == attr_radclient_coa_filter) {
675 coa_filter_filename = vp->vp_strvalue;
676 }
677 } /* loop over the VP's we read in */
678
679 /*
680 * Use the default set on the command line
681 */
682 if (request->packet->code == FR_RADIUS_CODE_UNDEFINED) request->packet->code = packet_code;
683
684 /*
685 * Fill in the packet header from attributes, and then
686 * re-realize the attributes.
687 */
688 fr_packet_net_from_pairs(request->packet, &request->request_pairs);
689
690 /*
691 * Default to the filename
692 */
693 if (!request->name) request->name = request->files->packets;
694
695 /*
696 * Automatically set the response code from the request code
697 * (if one wasn't already set).
698 */
699 if (request->filter_code == FR_RADIUS_CODE_UNDEFINED) {
700 switch (request->packet->code) {
701 case FR_RADIUS_CODE_ACCESS_REQUEST:
702 request->filter_code = FR_RADIUS_CODE_ACCESS_ACCEPT;
703 break;
704
705 case FR_RADIUS_CODE_ACCOUNTING_REQUEST:
706 request->filter_code = FR_RADIUS_CODE_ACCOUNTING_RESPONSE;
707 break;
708
709 case FR_RADIUS_CODE_COA_REQUEST:
710 request->filter_code = FR_RADIUS_CODE_COA_ACK;
711 break;
712
713 case FR_RADIUS_CODE_DISCONNECT_REQUEST:
714 request->filter_code = FR_RADIUS_CODE_DISCONNECT_ACK;
715 break;
716
717 case FR_RADIUS_CODE_STATUS_SERVER:
718 switch (radclient_get_code(request->packet->socket.inet.dst_port)) {
719 case FR_RADIUS_CODE_ACCESS_REQUEST:
720 request->filter_code = FR_RADIUS_CODE_ACCESS_ACCEPT;
721 break;
722
723 case FR_RADIUS_CODE_ACCOUNTING_REQUEST:
724 request->filter_code = FR_RADIUS_CODE_ACCOUNTING_RESPONSE;
725 break;
726
727 default:
728 request->filter_code = FR_RADIUS_CODE_UNDEFINED;
729 break;
730 }
731 break;
732
733 case FR_RADIUS_CODE_UNDEFINED:
734 REDEBUG("Packet-Type must be defined,"
735 "or a well known RADIUS port");
736 goto error;
737
738 default:
739 REDEBUG("Can't determine expected reply.Packet-Type for Packet-Type %i",
740 request->packet->code);
741 goto error;
742 }
743 /*
744 * Automatically set the request code from the response code
745 * (if one wasn't already set).
746 */
747 } else if (request->packet->code == FR_RADIUS_CODE_UNDEFINED) {
748 switch (request->filter_code) {
749 case FR_RADIUS_CODE_ACCESS_ACCEPT:
750 case FR_RADIUS_CODE_ACCESS_REJECT:
751 request->packet->code = FR_RADIUS_CODE_ACCESS_REQUEST;
752 break;
753
754 case FR_RADIUS_CODE_ACCOUNTING_RESPONSE:
755 request->packet->code = FR_RADIUS_CODE_ACCOUNTING_REQUEST;
756 break;
757
758 case FR_RADIUS_CODE_DISCONNECT_ACK:
759 case FR_RADIUS_CODE_DISCONNECT_NAK:
760 request->packet->code = FR_RADIUS_CODE_DISCONNECT_REQUEST;
761 break;
762
763 case FR_RADIUS_CODE_COA_ACK:
764 case FR_RADIUS_CODE_COA_NAK:
765 request->packet->code = FR_RADIUS_CODE_COA_REQUEST;
766 break;
767
768 default:
769 REDEBUG("Can't determine expected Packet-Type for reply.Packet-Type %i",
770 request->filter_code);
771 goto error;
772 }
773 }
774
775 /*
776 * Automatically set the dst port (if one wasn't already set).
777 */
778 if (request->packet->socket.inet.dst_port == 0) {
779 radclient_get_port(request->packet->code, &request->packet->socket.inet.dst_port);
780 if (request->packet->socket.inet.dst_port == 0) {
781 REDEBUG("Can't determine destination port");
782 goto error;
783 }
784 }
785
786 /*
787 * Read in the CoA filename and filter.
788 */
789 if (coa_reply_filename) {
790 if (coa_reply) {
791 RDEBUG("Cannot specify CoA file on both the command line and via Radclient-CoA-Filename");
792 goto error;
793 }
794
795 coa_reply = fopen(coa_reply_filename, "r");
796 if (!coa_reply) {
797 ERROR("Error opening %s: %s", coa_reply_filename, fr_syserror(errno));
798 goto error;
799 }
800
801 if (coa_filter_filename) {
802 coa_filter = fopen(coa_filter_filename, "r");
803 if (!coa_filter) {
804 ERROR("Error opening %s: %s", coa_filter_filename, fr_syserror(errno));
805 goto error;
806 }
807 } else {
808 coa_filter = NULL;
809 }
810
811 /*
812 * Read in one CoA reply and/or filter
813 */
814 if (coa_init(request,
815 coa_reply, coa_reply_filename, &coa_reply_done,
816 coa_filter, coa_filter_filename, &coa_filter_done) < 0) {
817 goto error;
818 }
819
820 fclose(coa_reply);
821 coa_reply = NULL;
822 if (coa_filter) {
823 fclose(coa_filter);
824 coa_filter = NULL;
825 }
826 do_coa = true;
827
828 } else if (coa_reply) {
829 if (coa_init(request,
830 coa_reply, coa_reply_filename, &coa_reply_done,
831 coa_filter, coa_filter_filename, &coa_filter_done) < 0) {
832 goto error;
833 }
834
835 if (coa_reply_done != packets_done) {
836 REDEBUG("Differing number of packets in input file and coa_reply in %s:%s ",
837 files->packets, files->coa_reply);
838 goto error;
839
840 }
841 }
842
843 /*
844 * Add it to the tail of the list.
845 */
846 rc_request_list_insert_tail(&rc_request_list, request);
847
848 /*
849 * Set the destructor so it removes itself from the
850 * request list when freed. We don't set this until
851 * the packet is actually in the list, else we trigger
852 * the asserts in the free callback.
853 */
854 talloc_set_destructor(request, _rc_request_free);
855 } while (!packets_done); /* loop until the file is done. */
856
857 if (packets != stdin) fclose(packets);
858 if (filters) fclose(filters);
859 if (coa_reply) fclose(coa_reply);
860 if (coa_filter) fclose(coa_filter);
861
862 /*
863 * And we're done.
864 */
865 return 0;
866
867error:
868 talloc_free(request);
869
870 if (packets != stdin) fclose(packets);
871 if (filters) fclose(filters);
872 if (coa_reply) fclose(coa_reply);
873 if (coa_filter) fclose(coa_filter);
874
875 return -1;
876}
877
878
879/*
880 * Sanity check each argument.
881 */
882static int radclient_sane(rc_request_t *request)
883{
884 if (request->packet->socket.inet.dst_port == 0) {
885 request->packet->socket.inet.dst_port = server_port;
886 }
887 if (request->packet->socket.inet.dst_ipaddr.af == AF_UNSPEC) {
888 if (server_ipaddr.af == AF_UNSPEC) {
889 ERROR("No server was given, and request %" PRIu64 " in file %s did not contain "
890 "Packet-Dst-IP-Address", request->num, request->files->packets);
891 return -1;
892 }
893 request->packet->socket.inet.dst_ipaddr = server_ipaddr;
894 }
895 if (request->packet->code == 0) {
896 if (packet_code == -1) {
897 ERROR("Request was \"auto\", and request %" PRIu64 " in file %s did not contain Packet-Type",
898 request->num, request->files->packets);
899 return -1;
900 }
901 request->packet->code = packet_code;
902 }
903 request->packet->socket.fd = -1;
904
905 return 0;
906}
907
908
909static int8_t request_cmp(void const *one, void const *two)
910{
911 rc_request_t const *a = one, *b = two;
912 fr_pair_t *vp1, *vp2;
913
914 vp1 = fr_pair_find_by_da(&a->request_pairs, NULL, attr_coa_match_attr);
915 vp2 = fr_pair_find_by_da(&b->request_pairs, NULL, attr_coa_match_attr);
916
917 if (!vp1) return -1;
918 if (!vp2) return +1;
919
920 return fr_value_box_cmp(&vp1->data, &vp2->data);
921}
922
923
924/*
925 * Deallocate packet ID, etc.
926 */
927static void deallocate_id(rc_request_t *request)
928{
929 if (!request || !request->packet ||
930 (request->packet->id < 0)) {
931 return;
932 }
933
934 /*
935 * One more unused RADIUS ID.
936 */
937 fr_packet_list_id_free(packet_list, request->packet, true);
938
939 /*
940 * If we've already sent a packet, free up the old one,
941 * and ensure that the next packet has a unique
942 * authentication vector.
943 */
944 if (request->packet->data) TALLOC_FREE(request->packet->data);
945 if (request->reply) fr_packet_free(&request->reply);
946}
947
948/*
949 * Send one packet.
950 */
951static int send_one_packet(rc_request_t *request)
952{
953 fr_pair_t *vp;
954
955 fr_assert(request->done == false);
956
957#ifdef STATIC_ANALYZER
958 if (!secret) fr_exit_now(1);
959#endif
960
961 /*
962 * Remember when we have to wake up, to re-send the
963 * request, of we didn't receive a reply.
964 */
965 if ((fr_time_delta_eq(sleep_time, fr_time_delta_wrap(-1)) || (fr_time_delta_gt(sleep_time, timeout)))) {
966 sleep_time = timeout;
967 }
968
969 /*
970 * Haven't sent the packet yet. Initialize it.
971 */
972 if (!request->tries || request->packet->id == -1) {
973 bool rcode;
974
975 fr_assert(request->reply == NULL);
976
977 /*
978 * Didn't find a free packet ID, we're not done,
979 * we don't sleep, and we stop trying to process
980 * this packet.
981 */
982 retry:
983 request->packet->socket.inet.src_ipaddr.af = server_ipaddr.af;
984 rcode = fr_packet_list_id_alloc(packet_list, ipproto, request->packet, NULL);
985 if (!rcode) {
986 int mysockfd;
987
988 if (ipproto == IPPROTO_TCP) {
989 mysockfd = fr_socket_client_tcp(NULL, NULL,
990 &request->packet->socket.inet.dst_ipaddr,
991 request->packet->socket.inet.dst_port, false);
992 if (mysockfd < 0) {
993 fr_perror("Error opening socket");
994 return -1;
995 }
996 } else {
997 uint16_t port = 0;
998
999 mysockfd = fr_socket_server_udp(&client_ipaddr, &port, NULL, true);
1000 if (mysockfd < 0) {
1001 fr_perror("Error opening socket");
1002 return -1;
1003 }
1004
1005 if (fr_socket_bind(mysockfd, NULL, &client_ipaddr, &port) < 0) {
1006 fr_perror("Error binding socket");
1007 return -1;
1008 }
1009 }
1010
1011 if (!fr_packet_list_socket_add(packet_list, mysockfd, ipproto,
1012 &request->packet->socket.inet.dst_ipaddr,
1013 request->packet->socket.inet.dst_port, NULL)) {
1014 ERROR("Can't add new socket");
1015 fr_exit_now(1);
1016 }
1017 goto retry;
1018 }
1019
1020 fr_assert(request->packet->id != -1);
1021 fr_assert(request->packet->data == NULL);
1022
1023 /*
1024 * Update the password, so it can be encrypted with the
1025 * new authentication vector.
1026 */
1027 if (request->password) {
1028 if ((vp = fr_pair_find_by_da(&request->request_pairs, NULL, attr_chap_password)) != NULL) {
1029 uint8_t buffer[17];
1030 fr_pair_t *challenge;
1031
1032 /*
1033 * Use CHAP-Challenge pair if present, otherwise create CHAP-Challenge and
1034 * populate with current Request Authenticator.
1035 *
1036 * Request Authenticator is re-calculated by fr_packet_sign
1037 */
1038 challenge = fr_pair_find_by_da(&request->request_pairs, NULL, attr_chap_challenge);
1039 if (!challenge || (challenge->vp_length < 7)) {
1040 pair_update_request(challenge, attr_chap_challenge);
1041 fr_pair_value_memdup(challenge, request->packet->vector, RADIUS_AUTH_VECTOR_LENGTH, false);
1042 }
1043
1044 fr_chap_encode(buffer,
1045 fr_rand() & 0xff, challenge->vp_octets, challenge->vp_length,
1046 request->password->vp_strvalue,
1047 request->password->vp_length);
1048 fr_pair_value_memdup(vp, buffer, sizeof(buffer), false);
1049
1050 } else if (fr_pair_find_by_da_nested(&request->request_pairs, NULL, attr_ms_chap_password) != NULL) {
1051 mschapv1_encode(request->packet, &request->request_pairs, request->password->vp_strvalue);
1052
1053 } else {
1054 DEBUG("WARNING: No password in the request");
1055 }
1056 }
1057
1058 request->timestamp = fr_time();
1059 request->tries = 1;
1060 request->resend++;
1061
1062 } else { /* request->packet->id >= 0 */
1063 fr_time_t now = fr_time();
1064
1065 /*
1066 * FIXME: Accounting packets are never retried!
1067 * The Acct-Delay-Time attribute is updated to
1068 * reflect the delay, and the packet is re-sent
1069 * from scratch!
1070 */
1071
1072 /*
1073 * Not time for a retry, do so.
1074 */
1075 if (fr_time_delta_lt(fr_time_sub(now, request->timestamp), timeout)) {
1076 fr_time_delta_t remaining;
1077
1078 remaining = fr_time_delta_sub(timeout, fr_time_sub(now, request->timestamp));
1079
1080 if (fr_time_delta_eq(sleep_time, fr_time_delta_wrap(-1)) ||
1081 fr_time_delta_gt(sleep_time, remaining)) {
1082 sleep_time = remaining;
1083 }
1084 return 0;
1085 }
1086
1087 /*
1088 * We're not trying later, maybe the packet is done.
1089 */
1090 if (request->tries == retries) {
1091 fr_assert(request->packet->id >= 0);
1092
1093 /*
1094 * Delete the request from the tree of
1095 * outstanding requests.
1096 */
1097 fr_packet_list_yank(packet_list, request->packet);
1098
1099 REDEBUG("No reply from server for ID %d socket %d",
1100 request->packet->id, request->packet->socket.fd);
1101 deallocate_id(request);
1102
1103 /*
1104 * Normally we mark it "done" when we've received
1105 * the reply, but this is a special case.
1106 */
1107 if (request->resend == resend_count) {
1108 request->done = true;
1109 }
1110 stats.lost++;
1111 return -1;
1112 }
1113
1114 /*
1115 * We are trying later.
1116 */
1117 request->timestamp = now;
1118 request->tries++;
1119 }
1120
1121 /*
1122 * If there's a Message-Authenticator in the packet, AND it has a "don't send" operator, then
1123 * delete it. We manually encode the packet (which also prints out Message-Authenticator), and
1124 * then manually remove the Message-Authenticator bytes from the packet. The encoder still
1125 * prints out that it's sending Message-Authenticator, but oh well.
1126 */
1127 vp = fr_pair_find_by_da(&request->request_pairs, NULL, attr_message_authenticator);
1128 if (vp && (vp->op == T_OP_CMP_FALSE) && !request->packet->data &&
1129 (request->packet->code = FR_RADIUS_CODE_ACCESS_REQUEST)) {
1130 fr_pair_delete(&request->request_pairs, vp);
1131
1132 if (fr_radius_packet_encode(request->packet, &request->request_pairs, NULL, secret) < 0) {
1133 REDEBUG("Failed to encode packet for ID %d", request->packet->id);
1134 goto error;
1135 }
1136
1137 /*
1138 * Manually re-write the packet to get rid of Message-Authenticator.
1139 */
1140 if ((request->packet->data_len >= (RADIUS_HEADER_LENGTH + 18)) &&
1141 (request->packet->data[RADIUS_HEADER_LENGTH] = attr_message_authenticator->attr) &&
1142 (request->packet->data[RADIUS_HEADER_LENGTH + 1] == 18)) {
1143 memmove(request->packet->data + RADIUS_HEADER_LENGTH,
1144 request->packet->data + RADIUS_HEADER_LENGTH + 18,
1145 request->packet->data_len - 18);
1146 request->packet->data_len -= 18;
1147 fr_nbo_from_uint16(request->packet->data + 2, request->packet->data_len);
1148 }
1149
1150 if (fr_radius_packet_sign(request->packet, NULL, secret) < 0) {
1151 REDEBUG("Failed to sign packet for ID %d", request->packet->id);
1152 goto error;
1153 }
1154 }
1155
1156 /*
1157 * Send the packet.
1158 */
1159 if (fr_radius_packet_send(request->packet, &request->request_pairs, NULL, secret) < 0) {
1160 REDEBUG("Failed to send packet for ID %d", request->packet->id);
1161 error:
1162 deallocate_id(request);
1163 request->done = true;
1164 return -1;
1165 }
1166
1167 fr_radius_packet_log(&default_log, request->packet, &request->request_pairs, false);
1168
1169 return 0;
1170}
1171
1172/*
1173 * Receive a CoA packet, maybe.
1174 */
1175static int recv_coa_packet(fr_time_delta_t wait_time)
1176{
1177 fd_set set;
1178 fr_time_delta_t our_wait_time;
1179 rc_request_t *request, *parent;
1180 fr_packet_t *packet;
1181 rc_request_t my;
1182
1183#ifdef STATIC_ANALYZER
1184 if (!secret) fr_exit_now(1);
1185#endif
1186
1187 /* And wait for reply, timing out as necessary */
1188 FD_ZERO(&set);
1189 FD_SET(coafd, &set);
1190
1191 our_wait_time = !fr_time_delta_ispos(wait_time) ? fr_time_delta_from_sec(0) : wait_time;
1192
1193 /*
1194 * No packet was received.
1195 */
1196 if (select(coafd + 1, &set, NULL, NULL, &fr_time_delta_to_timeval(our_wait_time)) <= 0) return 0;
1197
1198 /*
1199 * Read a packet from a network.
1200 */
1201 packet = fr_packet_recv(NULL, coafd, 0, 200, false);
1202 if (!packet) {
1203 DEBUG("Failed reading CoA packet");
1204 return 0;
1205 }
1206
1207 /*
1208 * Fails the signature validation: not a real reply
1209 */
1210 if (fr_radius_packet_verify(packet, NULL, secret) < 0) {
1211 DEBUG("CoA verification failed");
1212 talloc_free(packet);
1213 return 0;
1214 }
1215
1216 fr_pair_list_init(&my.request_pairs);
1217
1218 /*
1219 * Decode the packet before looking up the parent, so that we can compare the pairs.
1220 */
1221 if (fr_radius_decode_simple(packet, &my.request_pairs,
1222 packet->data, packet->data_len,
1223 NULL, secret) < 0) {
1224 DEBUG("Failed decoding CoA packet");
1225 talloc_free(packet);
1226 return 0;
1227 }
1228
1229 fr_radius_packet_log(&default_log, packet, &my.request_pairs, true);
1230
1231 /*
1232 * Find a Access-Request which has the same User-Name / etc. as this CoA packet.
1233 */
1234 my.name = "receive CoA request";
1235 my.packet = packet;
1236
1237 parent = fr_rb_find(coa_tree, &my);
1238 if (!parent) {
1239 DEBUG("No matching request packet for CoA packet %u %u", packet->data[0], packet->data[1]);
1240 talloc_free(packet);
1241 return 0;
1242 }
1243 fr_assert(parent->coa);
1244
1245 request = parent->coa;
1246 request->packet = talloc_steal(request, packet);
1247
1248 fr_pair_list_steal(request, &my.request_pairs);
1249 fr_pair_list_append(&request->request_pairs, &my.request_pairs);
1250
1251 /*
1252 * If we had an expected response code, check to see if the
1253 * packet matched that.
1254 */
1255 if (request->packet->code != request->filter_code) {
1256 if (FR_RADIUS_PACKET_CODE_VALID(request->reply->code)) {
1257 REDEBUG("%s: Expected %s got %s", request->name, fr_radius_packet_name[request->filter_code],
1258 fr_radius_packet_name[request->packet->code]);
1259 } else {
1260 REDEBUG("%s: Expected %u got %i", request->name, request->filter_code,
1261 request->packet->code);
1262 }
1263 stats.failed++;
1264
1265 /*
1266 * Check if the contents of the packet matched the filter
1267 */
1268 } else if (fr_pair_list_empty(&request->filter)) {
1269 stats.passed++;
1270
1271 } else {
1272 fr_pair_t const *failed[2];
1273
1274 fr_pair_list_sort(&request->request_pairs, fr_pair_cmp_by_da);
1275 if (fr_pair_validate(failed, &request->filter, &request->request_pairs)) {
1276 RDEBUG("%s: CoA request passed filter", request->name);
1277 stats.passed++;
1278 } else {
1279 fr_pair_validate_debug(failed);
1280 REDEBUG("%s: CoA Request for failed filter", request->name);
1281 stats.failed++;
1282 }
1283 }
1284
1285 request->reply->id = request->packet->id;
1286
1287 request->reply->socket.type = SOCK_DGRAM;
1288 request->reply->socket.af = client_ipaddr.af;
1289 request->reply->socket.fd = coafd;
1290 request->reply->socket.inet.src_ipaddr = client_ipaddr;
1291 request->reply->socket.inet.src_port = coa_port;
1292 request->reply->socket.inet.dst_ipaddr = packet->socket.inet.src_ipaddr;
1293 request->reply->socket.inet.dst_port = packet->socket.inet.src_port;
1294
1295 if (!request->reply->code) switch (packet->code) {
1296 case FR_RADIUS_CODE_COA_REQUEST:
1297 request->reply->code = FR_RADIUS_CODE_COA_ACK;
1298 break;
1299
1300 case FR_RADIUS_CODE_DISCONNECT_REQUEST:
1301 request->reply->code = FR_RADIUS_CODE_DISCONNECT_ACK;
1302 break;
1303
1304 default:
1305 RDEBUG("Failed getting reply packet type");
1306 return 0;
1307 }
1308
1309 fr_radius_packet_log(&default_log, request->reply, &request->reply_pairs, false);
1310
1311
1312 /*
1313 * Send reply.
1314 */
1315 if (fr_radius_packet_send(request->reply, &request->reply_pairs, packet, secret) < 0) {
1316 REDEBUG("Failed sending CoA reply");
1317 return 0;
1318 }
1319
1320 fr_rb_remove(coa_tree, parent);
1321
1322 /*
1323 * No longer waiting for a CoA packet for this request.
1324 */
1325 TALLOC_FREE(parent->coa);
1326 return 0;
1327}
1328
1329
1330/*
1331 * Do Blast RADIUS checks.
1332 *
1333 * The request is an Access-Request, and does NOT contain Proxy-State.
1334 *
1335 * The reply is a raw packet, and is NOT yet decoded.
1336 */
1337static int blast_radius_check(rc_request_t *request, fr_packet_t *reply)
1338{
1339 uint8_t *attr, *end;
1340 fr_pair_t *vp;
1341 bool have_message_authenticator = false;
1342
1343 /*
1344 * We've received a raw packet. Nothing has (as of yet) checked
1345 * anything in it other than the length, and that it's a
1346 * well-formed RADIUS packet.
1347 */
1348 switch (reply->data[0]) {
1349 case FR_RADIUS_CODE_ACCESS_ACCEPT:
1350 case FR_RADIUS_CODE_ACCESS_REJECT:
1351 case FR_RADIUS_CODE_ACCESS_CHALLENGE:
1352 case FR_RADIUS_CODE_PROTOCOL_ERROR:
1353 if (reply->data[1] != request->packet->id) {
1354 ERROR("Invalid reply ID %d to Access-Request ID %d", reply->data[1], request->packet->id);
1355 return -1;
1356 }
1357 break;
1358
1359 default:
1360 ERROR("Invalid reply code %d to Access-Request", reply->data[0]);
1361 return -1;
1362 }
1363
1364 /*
1365 * If the reply has a Message-Authenticator, then it MIGHT be fine.
1366 */
1367 attr = reply->data + 20;
1368 end = reply->data + reply->data_len;
1369
1370 /*
1371 * It should be the first attribute, so we warn if it isn't there.
1372 *
1373 * But it's not a fatal error.
1374 */
1375 if (blast_radius && (attr[0] != FR_MESSAGE_AUTHENTICATOR)) {
1376 RDEBUG("WARNING The %s reply packet does not have Message-Authenticator as the first attribute. The packet may be vulnerable to Blast RADIUS attacks.",
1377 fr_radius_packet_name[reply->data[0]]);
1378 }
1379
1380 /*
1381 * Set up for Proxy-State checks.
1382 *
1383 * If we see a Proxy-State in the reply which we didn't send, then it's a Blast RADIUS attack.
1384 */
1385 vp = fr_pair_find_by_da(&request->request_pairs, NULL, attr_proxy_state);
1386
1387 while (attr < end) {
1388 /*
1389 * Blast RADIUS work-arounds require that
1390 * Message-Authenticator is the first attribute in the
1391 * reply. Note that we don't check for it being the
1392 * first attribute, but simply that it exists.
1393 *
1394 * That check is a balance between securing the reply
1395 * packet from attacks, and not violating the RFCs which
1396 * say that there is no order to attributes in the
1397 * packet.
1398 *
1399 * However, no matter the status of the '-b' flag we
1400 * still can check for the signature of the attack, and
1401 * discard packets which are suspicious. This behavior
1402 * protects radclient from the attack, without mandating
1403 * new behavior on the server side.
1404 *
1405 * Note that we don't set the '-b' flag by default.
1406 * radclient is intended for testing / debugging, and is
1407 * not intended to be used as part of a secure login /
1408 * user checking system.
1409 */
1410 if (attr[0] == FR_MESSAGE_AUTHENTICATOR) {
1411 have_message_authenticator = true;
1412 goto next;
1413 }
1414
1415 /*
1416 * If there are Proxy-State attributes in the reply, they must
1417 * match EXACTLY the Proxy-State attributes in the request.
1418 *
1419 * Note that we don't care if there are more Proxy-States
1420 * in the request than in the reply. The Blast RADIUS
1421 * issue requires _adding_ Proxy-State attributes, and
1422 * cannot work when the server _deletes_ Proxy-State
1423 * attributes.
1424 */
1425 if (attr[0] == FR_PROXY_STATE) {
1426 if (!vp || (vp->vp_length != (size_t) (attr[1] - 2)) || (memcmp(vp->vp_octets, attr + 2, vp->vp_length) != 0)) {
1427 ERROR("Invalid reply to Access-Request ID %d - Discarding packet due to Blast RADIUS attack being detected.", request->packet->id);
1428 ERROR("We received a Proxy-State in the reply which we did not send, or which is different from what we sent.");
1429 return -1;
1430 }
1431
1432 vp = fr_pair_find_by_da(&request->request_pairs, vp, attr_proxy_state);
1433 }
1434
1435 next:
1436 attr += attr[1];
1437 }
1438
1439 /*
1440 * If "-b" is set, then we require Message-Authenticator in the reply.
1441 */
1442 if (blast_radius && !have_message_authenticator) {
1443 ERROR("The %s reply packet does not contain Message-Authenticator - discarding packet due to Blast RADIUS checks.",
1444 fr_radius_packet_name[reply->data[0]]);
1445 return -1;
1446 }
1447
1448 /*
1449 * The packet doesn't look like it's a Blast RADIUS attack. The
1450 * caller will now verify the packet signature.
1451 */
1452 return 0;
1453}
1454
1455/*
1456 * Receive one packet, maybe.
1457 */
1458static int recv_one_packet(fr_time_delta_t wait_time)
1459{
1460 int rcode;
1461 fd_set set;
1462 fr_time_delta_t our_wait_time;
1463 rc_request_t *request;
1464 fr_packet_t *reply, *packet;
1465 volatile int max_fd;
1466
1467#ifdef STATIC_ANALYZER
1468 if (!secret) fr_exit_now(1);
1469#endif
1470
1471 /* And wait for reply, timing out as necessary */
1472 FD_ZERO(&set);
1473
1474 max_fd = fr_packet_list_fd_set(packet_list, &set);
1475 if (max_fd < 0) fr_exit_now(1); /* no sockets to listen on! */
1476
1477 our_wait_time = !fr_time_delta_ispos(wait_time) ? fr_time_delta_from_sec(0) : wait_time;
1478
1479 if (do_coa && fr_rb_num_elements(coa_tree) > 0) {
1480 FD_SET(coafd, &set);
1481 if (coafd >= max_fd) max_fd = coafd + 1;
1482 }
1483
1484 /*
1485 * See if a packet was received.
1486 */
1487retry:
1488 if (select(max_fd, &set, NULL, NULL, &fr_time_delta_to_timeval(our_wait_time)) <= 0) return 0;
1489
1490 /*
1491 * Read a CoA packet
1492 */
1493 if (FD_ISSET(coafd, &set)) {
1494 recv_coa_packet(fr_time_delta_wrap(0));
1495 FD_CLR(coafd, &set);
1496 our_wait_time = fr_time_delta_from_sec(0);
1497 goto retry;
1498 }
1499
1500 /*
1501 * Look for the packet.
1502 */
1503 rcode = fr_packet_list_recv(packet_list, &set, NULL, &reply, RADIUS_MAX_ATTRIBUTES, false);
1504 if (rcode < 0) {
1505 ERROR("Received bad packet");
1506
1507 /*
1508 * If the packet is bad, we close the socket.
1509 * I'm not sure how to do that now, so we just
1510 * die...
1511 */
1512 if (ipproto == IPPROTO_TCP) fr_exit_now(1);
1513 return -1; /* bad packet */
1514 }
1515
1516 /*
1517 * We don't use udpfromto. So if we bind to "*", we want
1518 * to find replies sent to 192.0.2.4. Therefore, we
1519 * force all replies to have the one address we know
1520 * about, no matter what real address they were sent to.
1521 *
1522 * This only works if were not using any of the
1523 * Packet-* attributes, or running with 'auto'.
1524 */
1525 reply->socket.inet.dst_ipaddr = client_ipaddr;
1526 reply->socket.inet.dst_port = client_port;
1527
1528 /*
1529 * TCP sockets don't use recvmsg(), and thus don't get
1530 * the source IP/port. However, since they're TCP, we
1531 * know what the source IP/port is, because that's where
1532 * we connected to.
1533 */
1534 if (ipproto == IPPROTO_TCP) {
1535 reply->socket.inet.src_ipaddr = server_ipaddr;
1536 reply->socket.inet.src_port = server_port;
1537 }
1538
1539 packet = fr_packet_list_find_byreply(packet_list, reply);
1540 if (!packet) {
1541 ERROR("Received reply to request we did not send. (id=%d socket %d)",
1542 reply->id, reply->socket.fd);
1543 fr_packet_free(&reply);
1544 return -1; /* got reply to packet we didn't send */
1545 }
1546 request = packet->uctx;
1547
1548 /*
1549 * We want radclient to be able to send any packet, including
1550 * imperfect ones. However, we do NOT want to be vulnerable to
1551 * the "Blast RADIUS" issue. Instead of adding command-line
1552 * flags to enable/disable similar flags to what the server
1553 * sends, we just do a few more smart checks to double-check
1554 * things.
1555 */
1556 if ((request->packet->code == FR_RADIUS_CODE_ACCESS_REQUEST) &&
1557 blast_radius_check(request, reply) < 0) {
1558 fr_packet_free(&reply);
1559 return -1;
1560 }
1561
1562 /*
1563 * Fails the signature validation: not a real reply.
1564 * FIXME: Silently drop it and listen for another packet.
1565 */
1566 if (fr_radius_packet_verify(reply, request->packet, secret) < 0) {
1567 REDEBUG("Reply verification failed");
1568 stats.lost++;
1569 goto packet_done; /* shared secret is incorrect */
1570 }
1571
1572 if (print_filename) {
1573 RDEBUG("%s response code %d", request->files->packets, reply->code);
1574 }
1575
1576 if (request->tries < ignore_count) {
1577 RDEBUG("Ignoring response %d due to -e ignore_count=%d", request->tries, ignore_count);
1578 goto packet_done;
1579 }
1580
1581 deallocate_id(request);
1582 request->reply = reply;
1583 reply = NULL;
1584
1585 /*
1586 * If this fails, we're out of memory.
1587 */
1588 if (fr_radius_decode_simple(request, &request->reply_pairs,
1589 request->reply->data, request->reply->data_len,
1590 request->packet->vector, secret) < 0) {
1591 REDEBUG("Reply decode failed");
1592 stats.lost++;
1593 goto packet_done;
1594 }
1595 PAIR_LIST_VERIFY(&request->reply_pairs);
1596 fr_radius_packet_log(&default_log, request->reply, &request->reply_pairs, true);
1597
1598 /*
1599 * Increment counters...
1600 */
1601 switch (request->reply->code) {
1602 case FR_RADIUS_CODE_ACCESS_ACCEPT:
1603 case FR_RADIUS_CODE_ACCOUNTING_RESPONSE:
1604 case FR_RADIUS_CODE_COA_ACK:
1605 case FR_RADIUS_CODE_DISCONNECT_ACK:
1606 stats.accepted++;
1607 break;
1608
1609 case FR_RADIUS_CODE_ACCESS_CHALLENGE:
1610 break;
1611
1612 case FR_RADIUS_CODE_PROTOCOL_ERROR:
1613 stats.error++;
1614 break;
1615 default:
1616 stats.rejected++;
1617 }
1618
1619 fr_strerror_clear(); /* Clear strerror buffer */
1620
1621 /*
1622 * If we had an expected response code, check to see if the
1623 * packet matched that.
1624 */
1625 if ((request->filter_code != FR_RADIUS_CODE_UNDEFINED) && (request->reply->code != request->filter_code)) {
1626 if (FR_RADIUS_PACKET_CODE_VALID(request->reply->code)) {
1627 REDEBUG("%s: Expected %s got %s", request->name, fr_radius_packet_name[request->filter_code],
1628 fr_radius_packet_name[request->reply->code]);
1629 } else {
1630 REDEBUG("%s: Expected %u got %i", request->name, request->filter_code,
1631 request->reply->code);
1632 }
1633 stats.failed++;
1634 /*
1635 * Check if the contents of the packet matched the filter
1636 */
1637 } else if (fr_pair_list_empty(&request->filter)) {
1638 stats.passed++;
1639 } else {
1640 fr_pair_t const *failed[2];
1641
1642 fr_pair_list_sort(&request->reply_pairs, fr_pair_cmp_by_da);
1643 if (fr_pair_validate(failed, &request->filter, &request->reply_pairs)) {
1644 RDEBUG("%s: Response passed filter", request->name);
1645 stats.passed++;
1646 } else {
1647 fr_pair_validate_debug(failed);
1648 REDEBUG("%s: Response for failed filter", request->name);
1649 stats.failed++;
1650 }
1651 }
1652
1653 if (request->resend == resend_count) {
1654 request->done = true;
1655 }
1656
1657packet_done:
1658 fr_packet_free(&request->reply);
1659 fr_packet_free(&reply); /* may be NULL */
1660
1661 return 0;
1662}
1663
1664/**
1665 *
1666 * @hidecallgraph
1667 */
1668int main(int argc, char **argv)
1669{
1670 int ret = EXIT_SUCCESS;
1671 int c;
1672 char const *confdir = CONFDIR;
1673 char const *dict_dir = DICTDIR;
1674 char filesecret[256];
1675 FILE *fp;
1676 int do_summary = false;
1677 int persec = 0;
1678 int parallel = 1;
1679 int force_af = AF_UNSPEC;
1680#ifndef NDEBUG
1681 TALLOC_CTX *autofree;
1682#endif
1683 fr_dlist_head_t filenames;
1684 rc_request_t *request;
1685
1686 /*
1687 * It's easier having two sets of flags to set the
1688 * verbosity of library calls and the verbosity of
1689 * radclient.
1690 */
1691 fr_debug_lvl = 0;
1692 fr_log_fp = stdout;
1693
1694 /*
1695 * Must be called first, so the handler is called last
1696 */
1697 fr_atexit_global_setup();
1698
1699#ifndef NDEBUG
1700 autofree = talloc_autofree_context();
1701
1702 if (fr_fault_setup(autofree, getenv("PANIC_ACTION"), argv[0]) < 0) {
1703 fr_perror("radclient");
1704 fr_exit_now(EXIT_FAILURE);
1705 }
1706#endif
1707
1708 talloc_set_log_stderr();
1709
1710 rc_request_list_talloc_init(&rc_request_list);
1711
1712 fr_dlist_talloc_init(&filenames, rc_file_pair_t, entry);
1713
1714 /*
1715 * Always log to stdout
1716 */
1717 default_log.dst = L_DST_STDOUT;
1718 default_log.fd = STDOUT_FILENO;
1719 default_log.print_level = false;
1720
1721 while ((c = getopt(argc, argv, "46bc:A:C:d:D:e:f:Fhi:n:o:p:P:r:sS:t:vx")) != -1) switch (c) {
1722 case '4':
1723 force_af = AF_INET;
1724 break;
1725
1726 case '6':
1727 force_af = AF_INET6;
1728 break;
1729
1730 case 'A':
1731 attr_coa_filter_name = optarg;
1732 break;
1733
1734 case 'b':
1735 blast_radius = true;
1736 break;
1737
1738 case 'c':
1739 if (!isdigit((uint8_t) *optarg)) usage();
1740
1741 resend_count = atoi(optarg);
1742
1743 if (resend_count < 1) usage();
1744 break;
1745
1746 case 'C':
1747 {
1748 int tmp;
1749
1750 if (strchr(optarg, ':')) {
1751 if (fr_inet_pton_port(&client_ipaddr, &client_port,
1752 optarg, -1, AF_UNSPEC, true, false) < 0) {
1753 fr_perror("Failed parsing source address");
1754 fr_exit_now(1);
1755 }
1756 break;
1757 }
1758
1759 tmp = atoi(optarg);
1760 if (tmp < 1 || tmp > 65535) usage();
1761
1762 client_port = (uint16_t)tmp;
1763 }
1764 break;
1765
1766 case 'D':
1767 dict_dir = optarg;
1768 break;
1769
1770 case 'd':
1771 confdir = optarg;
1772 break;
1773
1774 case 'e': /* magical extra stuff */
1775 if (strncmp(optarg, "ignore_count=", 13) == 0) {
1776 ignore_count = atoi(optarg + 13);
1777 break;
1778 }
1779 usage();
1780
1781 /*
1782 * packet,filter,coa_reply,coa_filter
1783 */
1784 case 'f':
1785 {
1786 char const *p;
1787 rc_file_pair_t *files;
1788
1789 MEM(files = talloc_zero(talloc_autofree_context(), rc_file_pair_t));
1790
1791 /*
1792 * Commas are nicer than colons.
1793 */
1794 c = ':';
1795
1796 p = strchr(optarg, c);
1797 if (!p) {
1798 c = ',';
1799 p = strchr(optarg, c);
1800 }
1801 if (!p) {
1802 files->packets = optarg;
1803 files->filters = NULL;
1804 } else {
1805 char *q;
1806
1807 MEM(files->packets = talloc_strndup(files, optarg, p - optarg));
1808 files->filters = p + 1;
1809
1810 /*
1811 * Look for CoA filename
1812 */
1813 q = strchr(files->filters, c);
1814 if (q) {
1815 do_coa = true;
1816
1817 *(q++) = '\0';
1818 files->coa_reply = q;
1819
1820 q = strchr(files->coa_reply, c);
1821 if (q) {
1822 *(q++) = '\0';
1823 files->coa_filter = q;
1824 }
1825 }
1826 }
1827 fr_dlist_insert_tail(&filenames, files);
1828 }
1829 break;
1830
1831 case 'F':
1832 print_filename = true;
1833 break;
1834
1835 case 'i':
1836 if (!isdigit((uint8_t) *optarg)) {
1837 usage();
1838 }
1839 last_used_id = atoi(optarg);
1840 if ((last_used_id < 0) || (last_used_id > 255)) {
1841 usage();
1842 }
1843 break;
1844
1845 case 'n':
1846 persec = atoi(optarg);
1847 if (persec <= 0) usage();
1848 break;
1849
1850 case 'o':
1851 coa_port = atoi(optarg);
1852 break;
1853
1854 /*
1855 * Note that sending MANY requests in
1856 * parallel can over-run the kernel
1857 * queues, and Linux will happily discard
1858 * packets. So even if the server responds,
1859 * the client may not see the reply.
1860 */
1861 case 'p':
1862 parallel = atoi(optarg);
1863 if (parallel <= 0) usage();
1864 break;
1865
1866 case 'P':
1867 if (!strcmp(optarg, "tcp")) {
1868 ipproto = IPPROTO_TCP;
1869 } else if (!strcmp(optarg, "udp")) {
1870 ipproto = IPPROTO_UDP;
1871 } else {
1872 usage();
1873 }
1874 break;
1875
1876 case 'r':
1877 if (!isdigit((uint8_t) *optarg)) usage();
1878 retries = atoi(optarg);
1879 if ((retries == 0) || (retries > 1000)) usage();
1880 break;
1881
1882 case 's':
1883 do_summary = true;
1884 break;
1885
1886 case 'S':
1887 {
1888 char *p;
1889 fp = fopen(optarg, "r");
1890 if (!fp) {
1891 ERROR("Error opening %s: %s", optarg, fr_syserror(errno));
1892 fr_exit_now(1);
1893 }
1894 if (fgets(filesecret, sizeof(filesecret), fp) == NULL) {
1895 ERROR("Error reading %s: %s", optarg, fr_syserror(errno));
1896 fr_exit_now(1);
1897 }
1898 fclose(fp);
1899
1900 /* truncate newline */
1901 p = filesecret + strlen(filesecret) - 1;
1902 while ((p >= filesecret) &&
1903 (*p < ' ')) {
1904 *p = '\0';
1905 --p;
1906 }
1907
1908 if (strlen(filesecret) < 2) {
1909 ERROR("Secret in %s is too short", optarg);
1910 fr_exit_now(1);
1911 }
1912 secret = talloc_strdup(NULL, filesecret);
1913 }
1914 break;
1915
1916 case 't':
1917 if (fr_time_delta_from_str(&timeout, optarg, strlen(optarg), FR_TIME_RES_SEC) < 0) {
1918 fr_perror("Failed parsing timeout value");
1919 fr_exit_now(EXIT_FAILURE);
1920 }
1921 break;
1922
1923 case 'v':
1924 fr_debug_lvl = 1;
1925 DEBUG("%s", radclient_version);
1926 fr_exit_now(0);
1927
1928 case 'x':
1929 fr_debug_lvl++;
1930 if (fr_debug_lvl > 1) default_log.print_level = true;
1931 break;
1932
1933 case 'h':
1934 default:
1935 usage();
1936 }
1937 argc -= (optind - 1);
1938 argv += (optind - 1);
1939
1940 if ((argc < 3) || ((secret == NULL) && (argc < 4))) {
1941 ERROR("Insufficient arguments");
1942 usage();
1943 }
1944 /*
1945 * Mismatch between the binary and the libraries it depends on
1946 */
1947 if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
1948 fr_perror("radclient");
1949 fr_exit_now(EXIT_FAILURE);
1950 }
1951
1952 if (!fr_dict_global_ctx_init(NULL, true, dict_dir)) {
1953 fr_perror("radclient");
1954 fr_exit_now(EXIT_FAILURE);
1955 }
1956
1957 if (fr_radius_global_init() < 0) {
1958 fr_perror("radclient");
1959 fr_exit_now(EXIT_FAILURE);
1960 }
1961
1962 if (fr_dict_autoload(radclient_dict) < 0) {
1963 fr_perror("radclient");
1964 exit(EXIT_FAILURE);
1965 }
1966
1967 if (fr_dict_attr_autoload(radclient_dict_attr) < 0) {
1968 fr_perror("radclient");
1969 exit(EXIT_FAILURE);
1970 }
1971
1972 if (fr_dict_read(fr_dict_unconst(dict_freeradius), confdir, FR_DICTIONARY_FILE) == -1) {
1973 fr_log_perror(&default_log, L_ERR, __FILE__, __LINE__, NULL,
1974 "Failed to initialize the dictionaries");
1975 exit(EXIT_FAILURE);
1976 }
1977
1978 if (do_coa) {
1979 attr_coa_match_attr = fr_dict_attr_by_name(NULL, fr_dict_root(dict_radius), attr_coa_filter_name);
1980 if (!attr_coa_match_attr) {
1981 ERROR("Unknown or invalid CoA filter attribute %s", attr_coa_filter_name);
1982 fr_exit_now(1);
1983 }
1984
1985 MEM(coa_tree = fr_rb_inline_talloc_alloc(NULL, rc_request_t, node, request_cmp, NULL));
1986 }
1987 packet_global_init();
1988
1989 fr_strerror_clear(); /* Clear the error buffer */
1990
1991 /*
1992 * Get the request type
1993 */
1994 if (!isdigit((uint8_t) argv[2][0])) {
1995 packet_code = fr_table_value_by_str(fr_radius_request_name_table, argv[2], -2);
1996 if (packet_code == -2) {
1997 ERROR("Unrecognised request type \"%s\"", argv[2]);
1998 usage();
1999 }
2000 } else {
2001 packet_code = atoi(argv[2]);
2002 }
2003
2004 /*
2005 * Resolve hostname.
2006 */
2007 if (strcmp(argv[1], "-") != 0) {
2008 if (fr_inet_pton_port(&server_ipaddr, &server_port, argv[1], -1, force_af, true, true) < 0) {
2009 fr_perror("radclient");
2010 fr_exit_now(1);
2011 }
2012
2013 /*
2014 * Work backwards from the port to determine the packet type
2015 */
2016 if (packet_code == FR_RADIUS_CODE_UNDEFINED) packet_code = radclient_get_code(server_port);
2017 }
2018 radclient_get_port(packet_code, &server_port);
2019
2020 /*
2021 * Add the secret.
2022 */
2023 if (argv[3]) {
2024 talloc_free(secret);
2025 secret = talloc_strdup(NULL, argv[3]);
2026 }
2027
2028 /*
2029 * If no '-f' is specified, we're reading from stdin.
2030 */
2031 if (fr_dlist_num_elements(&filenames) == 0) {
2032 rc_file_pair_t *files;
2033
2034 files = talloc_zero(talloc_autofree_context(), rc_file_pair_t);
2035 files->packets = "-";
2036 if (radclient_init(files, files) < 0) fr_exit_now(1);
2037 }
2038
2039 /*
2040 * Walk over the list of filenames, creating the requests.
2041 */
2042 fr_dlist_foreach(&filenames, rc_file_pair_t, files) {
2043 if (radclient_init(files, files)) {
2044 ERROR("Failed parsing input files");
2045 fr_exit_now(1);
2046 }
2047 }
2048
2049 /*
2050 * No packets read. Die.
2051 */
2052 if (!rc_request_list_num_elements(&rc_request_list)) {
2053 ERROR("Nothing to send");
2054 fr_exit_now(1);
2055 }
2056
2057 if (openssl3_init() < 0) {
2058 fr_perror("radclient");
2059 fr_exit_now(EXIT_FAILURE);
2060 }
2061
2062 /*
2063 * Bind to the first specified IP address and port.
2064 * This means we ignore later ones.
2065 */
2066 request = rc_request_list_head(&rc_request_list);
2067
2068 if (client_ipaddr.af == AF_UNSPEC) {
2069 if (request->packet->socket.inet.src_ipaddr.af == AF_UNSPEC) {
2070 memset(&client_ipaddr, 0, sizeof(client_ipaddr));
2071 client_ipaddr.af = server_ipaddr.af;
2072 } else {
2073 client_ipaddr = request->packet->socket.inet.src_ipaddr;
2074 }
2075 }
2076
2077 if (client_port == 0) client_port = request->packet->socket.inet.src_port;
2078
2079 if (ipproto == IPPROTO_TCP) {
2080 sockfd = fr_socket_client_tcp(NULL, NULL, &server_ipaddr, server_port, false);
2081 if (sockfd < 0) {
2082 ERROR("Failed opening socket");
2083 return -1;
2084 }
2085
2086 } else {
2087 sockfd = fr_socket_server_udp(&client_ipaddr, &client_port, NULL, false);
2088 if (sockfd < 0) {
2089 fr_perror("Error opening socket");
2090 return -1;
2091 }
2092
2093 if (fr_socket_bind(sockfd, NULL, &client_ipaddr, &client_port) < 0) {
2094 fr_perror("Error binding socket");
2095 return -1;
2096 }
2097 }
2098
2099 if (do_coa) {
2100 coafd = fr_socket_server_udp(&client_ipaddr, &coa_port, NULL, false);
2101 if (coafd < 0) {
2102 fr_perror("Error opening CoA socket");
2103 return -1;
2104 }
2105
2106 if (fr_socket_bind(coafd, NULL, &client_ipaddr, &coa_port) < 0) {
2107 fr_perror("Error binding socket");
2108 return -1;
2109 }
2110 }
2111
2112 MEM(packet_list = fr_packet_list_create(1));
2113 if (!fr_packet_list_socket_add(packet_list, sockfd, ipproto, &server_ipaddr,
2114 server_port, NULL)) {
2115 ERROR("Failed adding socket");
2116 fr_exit_now(1);
2117 }
2118
2119 /*
2120 * Walk over the list of packets, sanity checking
2121 * everything.
2122 */
2123 rc_request_list_foreach(&rc_request_list, this) {
2124 this->packet->socket.inet.src_ipaddr = client_ipaddr;
2125 this->packet->socket.inet.src_port = client_port;
2126 if (radclient_sane(this) != 0) {
2127 fr_exit_now(1);
2128 }
2129 }
2130
2131 /*
2132 * Walk over the packets to send, until
2133 * we're all done.
2134 *
2135 * FIXME: This currently busy-loops until it receives
2136 * all of the packets. It should really have some sort of
2137 * send packet, get time to wait, select for time, etc.
2138 * loop.
2139 */
2140 do {
2141 int n = parallel;
2142 char const *filename = NULL;
2143
2144 done = true;
2145 sleep_time = fr_time_delta_wrap(-1);
2146
2147 /*
2148 * Walk over the packets, sending them.
2149 *
2150 * This essentially ends up handling
2151 * retries as well, as requests to
2152 * retry stay in the request list, and
2153 * then get sent again on the next
2154 * iteration of the outer loop.
2155 */
2156 rc_request_list_foreach(&rc_request_list, this) {
2157 /*
2158 * If there's a packet to receive,
2159 * receive it, but don't wait for a
2160 * packet.
2161 */
2162 recv_one_packet(fr_time_delta_wrap(0));
2163
2164 /*
2165 * This packet is done. Delete it.
2166 */
2167 if (this->done) {
2168 /*
2169 * We still have a CoA reply to
2170 * receive for this packet.
2171 */
2172 if (this->coa) {
2173 recv_coa_packet(fr_time_delta_wrap(0));
2174 if (this->coa) continue;
2175 }
2176
2177 talloc_free(this);
2178 continue;
2179 }
2180
2181 /*
2182 * Packets from multiple '-f' are sent
2183 * in parallel.
2184 *
2185 * Packets from one file are sent in
2186 * series, unless '-p' is specified, in
2187 * which case N packets from each file
2188 * are sent in parallel.
2189 */
2190 if (this->files->packets != filename) {
2191 filename = this->files->packets;
2192 n = parallel;
2193 }
2194
2195 if (n > 0) {
2196 n--;
2197
2198 /*
2199 * Send the current packet.
2200 */
2201 if (send_one_packet(this) < 0) {
2202 talloc_free(this);
2203 break;
2204 }
2205
2206 /*
2207 * Wait a little before sending
2208 * the next packet, if told to.
2209 */
2210 if (persec) {
2211 fr_time_delta_t psec;
2212
2213 psec = (persec == 1) ? fr_time_delta_from_sec(1) : fr_time_delta_wrap(1000000 / persec);
2214
2215 /*
2216 * Don't sleep elsewhere.
2217 */
2218 sleep_time = fr_time_delta_wrap(0);
2219
2220
2221 /*
2222 * Sleep for milliseconds,
2223 * portably.
2224 *
2225 * If we get an error or
2226 * a signal, treat it like
2227 * a normal timeout.
2228 */
2229 select(0, NULL, NULL, NULL, &fr_time_delta_to_timeval(psec));
2230 }
2231
2232 /*
2233 * If we haven't sent this packet
2234 * often enough, we're not done,
2235 * and we shouldn't sleep.
2236 */
2237 if (this->resend < resend_count) {
2238 int i;
2239
2240 done = false;
2241 sleep_time = fr_time_delta_wrap(0);
2242
2243 for (i = 0; i < 4; i++) {
2244 ((uint32_t *) this->packet->vector)[i] = fr_rand();
2245 }
2246 }
2247 } else { /* haven't sent this packet, we're not done */
2248 fr_assert(this->done == false);
2249 fr_assert(this->reply == NULL);
2250 done = false;
2251 }
2252 }
2253
2254 /*
2255 * Still have outstanding requests.
2256 */
2257 if (fr_packet_list_num_elements(packet_list) > 0) {
2258 done = false;
2259 } else {
2260 sleep_time = fr_time_delta_wrap(0);
2261 }
2262
2263 /*
2264 * Nothing to do until we receive a request, so
2265 * sleep until then. Once we receive one packet,
2266 * we go back, and walk through the whole list again,
2267 * sending more packets (if necessary), and updating
2268 * the sleep time.
2269 */
2270 if (!done && fr_time_delta_ispos(sleep_time)) {
2271 recv_one_packet(sleep_time);
2272 }
2273 } while (!done);
2274
2275 fr_packet_list_free(packet_list);
2276
2277 rc_request_list_talloc_free(&rc_request_list);
2278
2279 talloc_free(coa_tree);
2280
2281 talloc_free(secret);
2282
2283 fr_radius_global_free();
2284
2285 if (fr_dict_autofree(radclient_dict) < 0) {
2286 fr_perror("radclient");
2287 ret = EXIT_FAILURE;
2288 }
2289
2290#ifndef NDEBUG
2291 talloc_free(autofree);
2292#endif
2293
2294 if (do_summary) {
2295 fr_perror("Packet summary:\n"
2296 "\tAccepted : %" PRIu64 "\n"
2297 "\tRejected : %" PRIu64 "\n"
2298 "\tLost : %" PRIu64 "\n"
2299 "\tErrored : %" PRIu64 "\n"
2300 "\tPassed filter : %" PRIu64 "\n"
2301 "\tFailed filter : %" PRIu64,
2302 stats.accepted,
2303 stats.rejected,
2304 stats.lost,
2305 stats.error,
2306 stats.passed,
2307 stats.failed
2308 );
2309 }
2310
2311 /*
2312 * Ensure our atexit handlers run before any other
2313 * atexit handlers registered by third party libraries.
2314 */
2315 fr_atexit_global_trigger_all();
2316
2317 if ((stats.lost > 0) || (stats.failed > 0)) return EXIT_FAILURE;
2318
2319 openssl3_free();
2320
2321 return ret;
2322}
buffer
static int const char char buffer[256]
Definition acutest.h:576
n
int n
Definition acutest.h:577
fr_atexit_global_setup
int fr_atexit_global_setup(void)
Setup the atexit handler, should be called at the start of a program's execution.
Definition atexit.c:159
fr_atexit_global_trigger_all
int fr_atexit_global_trigger_all(void)
Cause all global free triggers to fire.
Definition atexit.c:285
autofree
static TALLOC_CTX * autofree
Definition fuzzer.c:44
RCSID
#define RCSID(id)
Definition build.h:512
NEVER_RETURNS
#define NEVER_RETURNS
Should be placed before the function return type.
Definition build.h:334
fr_chap_encode
void fr_chap_encode(uint8_t out[static 1+FR_CHAP_CHALLENGE_LENGTH], uint8_t id, uint8_t const *challenge, size_t challenge_len, char const *password, size_t password_len)
Encode a CHAP password.
Definition chap.c:34
fr_fault_setup
int fr_fault_setup(TALLOC_CTX *ctx, char const *cmd, char const *program)
Registers signal handlers to execute panic_action on fatal signal.
Definition debug.c:1056
MEM
#define MEM(x)
Definition debug.h:46
fr_exit_now
#define fr_exit_now(_x)
Exit without calling atexit() handlers, producing a log message in debug builds.
Definition debug.h:236
fr_radius_packet_code_t
fr_radius_packet_code_t
RADIUS packet codes.
Definition defs.h:31
FR_RADIUS_CODE_ACCESS_CHALLENGE
@ FR_RADIUS_CODE_ACCESS_CHALLENGE
RFC2865 - Access-Challenge.
Definition defs.h:43
FR_RADIUS_CODE_ACCESS_REQUEST
@ FR_RADIUS_CODE_ACCESS_REQUEST
RFC2865 - Access-Request.
Definition defs.h:33
FR_RADIUS_CODE_DISCONNECT_REQUEST
@ FR_RADIUS_CODE_DISCONNECT_REQUEST
RFC3575/RFC5176 - Disconnect-Request.
Definition defs.h:46
FR_RADIUS_CODE_DISCONNECT_ACK
@ FR_RADIUS_CODE_DISCONNECT_ACK
RFC3575/RFC5176 - Disconnect-Ack (positive)
Definition defs.h:47
FR_RADIUS_CODE_STATUS_SERVER
@ FR_RADIUS_CODE_STATUS_SERVER
RFC2865/RFC5997 - Status Server (request)
Definition defs.h:44
FR_RADIUS_CODE_COA_REQUEST
@ FR_RADIUS_CODE_COA_REQUEST
RFC3575/RFC5176 - CoA-Request.
Definition defs.h:49
FR_RADIUS_CODE_ACCESS_ACCEPT
@ FR_RADIUS_CODE_ACCESS_ACCEPT
RFC2865 - Access-Accept.
Definition defs.h:34
FR_RADIUS_CODE_ACCOUNTING_RESPONSE
@ FR_RADIUS_CODE_ACCOUNTING_RESPONSE
RFC2866 - Accounting-Response.
Definition defs.h:37
FR_RADIUS_CODE_COA_NAK
@ FR_RADIUS_CODE_COA_NAK
RFC3575/RFC5176 - CoA-Nak (not willing to perform)
Definition defs.h:51
FR_RADIUS_CODE_UNDEFINED
@ FR_RADIUS_CODE_UNDEFINED
Packet code has not been set.
Definition defs.h:32
FR_RADIUS_CODE_COA_ACK
@ FR_RADIUS_CODE_COA_ACK
RFC3575/RFC5176 - CoA-Ack (positive)
Definition defs.h:50
FR_RADIUS_CODE_DISCONNECT_NAK
@ FR_RADIUS_CODE_DISCONNECT_NAK
RFC3575/RFC5176 - Disconnect-Nak (not willing to perform)
Definition defs.h:48
FR_RADIUS_CODE_PROTOCOL_ERROR
@ FR_RADIUS_CODE_PROTOCOL_ERROR
RFC7930 - Protocol-Error (generic NAK)
Definition defs.h:52
FR_RADIUS_CODE_ACCOUNTING_REQUEST
@ FR_RADIUS_CODE_ACCOUNTING_REQUEST
RFC2866 - Accounting-Request.
Definition defs.h:36
FR_RADIUS_CODE_ACCESS_REJECT
@ FR_RADIUS_CODE_ACCESS_REJECT
RFC2865 - Access-Reject.
Definition defs.h:35
FR_COA_UDP_PORT
#define FR_COA_UDP_PORT
Definition defs.h:63
FR_AUTH_UDP_PORT
#define FR_AUTH_UDP_PORT
Definition defs.h:57
FR_ACCT_UDP_PORT_ALT
#define FR_ACCT_UDP_PORT_ALT
Definition defs.h:60
FR_AUTH_UDP_PORT_ALT
#define FR_AUTH_UDP_PORT_ALT
Definition defs.h:58
FR_POD_UDP_PORT
#define FR_POD_UDP_PORT
Definition defs.h:61
FR_ACCT_UDP_PORT
#define FR_ACCT_UDP_PORT
Definition defs.h:59
ERROR
#define ERROR(fmt,...)
Definition dhcpclient.c:40
dict_freeradius
static fr_dict_t const * dict_freeradius
Definition dhcpclient.c:78
DEBUG
#define DEBUG(fmt,...)
Definition dhcpclient.c:38
fr_dict_unconst
fr_dict_t * fr_dict_unconst(fr_dict_t const *dict)
Coerce to non-const.
Definition dict_util.c:4903
fr_dict_autofree
#define fr_dict_autofree(_to_free)
Definition dict.h:915
fr_dict_attr_by_name
fr_dict_attr_t const * fr_dict_attr_by_name(fr_dict_attr_err_t *err, fr_dict_attr_t const *parent, char const *attr))
Locate a fr_dict_attr_t by its name.
Definition dict_util.c:3528
fr_dict_root
fr_dict_attr_t const * fr_dict_root(fr_dict_t const *dict)
Return the root attribute of a dictionary.
Definition dict_util.c:2665
fr_dict_attr_autoload_t::out
fr_dict_attr_t const ** out
Where to write a pointer to the resolved fr_dict_attr_t.
Definition dict.h:292
fr_dict_autoload_t::out
fr_dict_t const ** out
Where to write a pointer to the loaded/resolved fr_dict_t.
Definition dict.h:305
fr_dict_read
int fr_dict_read(fr_dict_t *dict, char const *dict_dir, char const *filename))
Read supplementary attribute definitions into an existing dictionary.
Definition dict_tokenize.c:3838
fr_dict_attr_autoload
int fr_dict_attr_autoload(fr_dict_attr_autoload_t const *to_load)
Process a dict_attr_autoload element to load/verify a dictionary attribute.
Definition dict_util.c:4395
fr_dict_autoload
#define fr_dict_autoload(_to_load)
Definition dict.h:912
DICT_AUTOLOAD_TERMINATOR
#define DICT_AUTOLOAD_TERMINATOR
Definition dict.h:311
fr_dict_global_ctx_init
fr_dict_gctx_t * fr_dict_global_ctx_init(TALLOC_CTX *ctx, bool free_at_exit, char const *dict_dir))
Initialise the global protocol hashes.
Definition dict_util.c:4713
fr_dict_attr_autoload_t
Specifies an attribute which must be present for the module to function.
Definition dict.h:291
fr_dict_autoload_t
Specifies a dictionary which must be loaded/loadable for the module to function.
Definition dict.h:304
fr_dlist_foreach
#define fr_dlist_foreach(_list_head, _type, _iter)
Iterate over the contents of a list.
Definition dlist.h:98
fr_dlist_num_elements
static unsigned int fr_dlist_num_elements(fr_dlist_head_t const *head)
Return the number of elements in the dlist.
Definition dlist.h:921
fr_dlist_insert_tail
static int fr_dlist_insert_tail(fr_dlist_head_t *list_head, void *ptr)
Insert an item into the tail of a list.
Definition dlist.h:360
FR_DLIST_HEAD
#define FR_DLIST_HEAD(_name)
Expands to the type name used for the head wrapper structure.
Definition dlist.h:1104
fr_dlist_talloc_init
#define fr_dlist_talloc_init(_head, _type, _field)
Initialise the head structure of a doubly linked list.
Definition dlist.h:257
fr_dlist_head_t
Head of a doubly linked list.
Definition dlist.h:51
my
void fr_bio_shutdown & my
Definition fd_errno.h:70
talloc_free
talloc_free(hp)
fr_inet_pton_port
int fr_inet_pton_port(fr_ipaddr_t *out, uint16_t *port_out, char const *value, ssize_t inlen, int af, bool resolve, bool mask)
Parses IPv4/6 address + port, to fr_ipaddr_t and integer (port)
Definition inet.c:944
fr_ipaddr_t::af
int af
Address family.
Definition inet.h:63
fr_ipaddr_t
IPv4/6 prefix.
Definition merged_model.c:266
packet_global_init
int packet_global_init(void)
Initialises the Net.
Definition packet.c:200
fr_packet_net_from_pairs
void fr_packet_net_from_pairs(fr_packet_t *packet, fr_pair_list_t const *list)
Convert pairs to information in a packet.
Definition packet.c:154
fr_time
#define fr_time()
Definition event.c:60
fr_debug_lvl
int fr_debug_lvl
Definition log.c:40
fr_log_fp
FILE * fr_log_fp
Definition log.c:39
default_log
fr_log_t default_log
Definition log.c:288
fr_log_perror
void fr_log_perror(fr_log_t const *log, fr_log_type_t type, char const *file, int line, fr_log_perror_format_t const *rules, char const *fmt,...)
Drain any outstanding messages from the fr_strerror buffers.
Definition log.c:703
L_DST_STDOUT
@ L_DST_STDOUT
Log to stdout.
Definition log.h:75
L_ERR
@ L_ERR
Error message.
Definition log.h:53
fr_packet_alloc
fr_packet_t * fr_packet_alloc(TALLOC_CTX *ctx, bool new_vector)
Allocate a new fr_packet_t.
Definition packet.c:38
fr_packet_free
void fr_packet_free(fr_packet_t **packet_p)
Free a fr_packet_t.
Definition packet.c:89
fr_packet_list_find_byreply
fr_packet_t * fr_packet_list_find_byreply(fr_packet_list_t *pl, fr_packet_t *reply)
Definition list.c:338
fr_packet_list_free
void fr_packet_list_free(fr_packet_list_t *pl)
Definition list.c:279
fr_packet_list_recv
int fr_packet_list_recv(fr_packet_list_t *pl, fd_set *set, TALLOC_CTX *ctx, fr_packet_t **packet_p, uint32_t max_attributes, bool require_message_authenticator)
Definition list.c:687
fr_packet_list_create
fr_packet_list_t * fr_packet_list_create(int alloc_id)
Definition list.c:291
fr_packet_list_id_alloc
bool fr_packet_list_id_alloc(fr_packet_list_t *pl, int proto, fr_packet_t *request, void **pctx)
Definition list.c:410
fr_packet_list_yank
bool fr_packet_list_yank(fr_packet_list_t *pl, fr_packet_t *request)
Definition list.c:376
fr_packet_list_socket_add
bool fr_packet_list_socket_add(fr_packet_list_t *pl, int sockfd, int proto, fr_ipaddr_t *dst_ipaddr, uint16_t dst_port, void *ctx)
Definition list.c:193
fr_packet_list_num_elements
uint32_t fr_packet_list_num_elements(fr_packet_list_t *pl)
Definition list.c:383
fr_packet_list_fd_set
int fr_packet_list_fd_set(fr_packet_list_t *pl, fd_set *set)
Definition list.c:660
fr_packet_list_id_free
bool fr_packet_list_id_free(fr_packet_list_t *pl, fr_packet_t *request, bool yank)
Definition list.c:636
fr_packet_list_s
Definition list.c:110
uint16_t
unsigned short uint16_t
Definition merged_model.c:31
FR_TYPE_STRING
@ FR_TYPE_STRING
String of printable characters.
Definition merged_model.c:83
FR_TYPE_UINT32
@ FR_TYPE_UINT32
32 Bit unsigned integer.
Definition merged_model.c:99
FR_TYPE_OCTETS
@ FR_TYPE_OCTETS
Raw octets.
Definition merged_model.c:84
uint32_t
unsigned int uint32_t
Definition merged_model.c:33
uint8_t
unsigned char uint8_t
Definition merged_model.c:30
fr_dict_attr_t
Definition merged_model.c:133
fr_dict_t
Definition merged_model.c:198
request_t
Definition merged_model.c:210
mschap_nt_password_hash
int mschap_nt_password_hash(uint8_t out[static NT_DIGEST_LENGTH], char const *password)
Converts Unicode password to 16-byte NT hash with MD4.
Definition mschap.c:52
fr_nbo_from_uint16
static void fr_nbo_from_uint16(uint8_t out[static sizeof(uint16_t)], uint16_t num)
Write out an unsigned 16bit integer in wire format (big endian)
Definition nbo.h:38
RADIUS_HEADER_LENGTH
#define RADIUS_HEADER_LENGTH
Definition net.h:80
RADIUS_AUTH_VECTOR_LENGTH
#define RADIUS_AUTH_VECTOR_LENGTH
Definition net.h:89
fr_pair_value_memdup
int fr_pair_value_memdup(fr_pair_t *vp, uint8_t const *src, size_t len, bool tainted)
Copy data into an "octets" data type.
Definition pair.c:2962
fr_pair_validate_debug
void fr_pair_validate_debug(fr_pair_t const *failed[2])
Write an error to the library errorbuff detailing the mismatch.
Definition pair.c:2096
fr_pair_find_by_da_nested
fr_pair_t * fr_pair_find_by_da_nested(fr_pair_list_t const *list, fr_pair_t const *prev, fr_dict_attr_t const *da)
Find a pair with a matching fr_dict_attr_t, by walking the nested fr_dict_attr_t tree.
Definition pair.c:784
fr_pair_find_by_da
fr_pair_t * fr_pair_find_by_da(fr_pair_list_t const *list, fr_pair_t const *prev, fr_dict_attr_t const *da)
Find the first pair with a matching da.
Definition pair.c:707
fr_pair_append
int fr_pair_append(fr_pair_list_t *list, fr_pair_t *to_add)
Add a VP to the end of the list.
Definition pair.c:1352
fr_pair_delete_by_da
int fr_pair_delete_by_da(fr_pair_list_t *list, fr_dict_attr_t const *da)
Delete matching pairs from the specified list.
Definition pair.c:1696
fr_pair_afrom_da
fr_pair_t * fr_pair_afrom_da(TALLOC_CTX *ctx, fr_dict_attr_t const *da)
Dynamically allocate a new attribute and assign a fr_dict_attr_t.
Definition pair.c:290
fr_pair_validate
bool fr_pair_validate(fr_pair_t const *failed[2], fr_pair_list_t *filter, fr_pair_list_t *list)
Uses fr_pair_cmp to verify all fr_pair_ts in list match the filter defined by check.
Definition pair.c:2131
fr_pair_list_init
void fr_pair_list_init(fr_pair_list_t *list)
Initialise a pair list header.
Definition pair.c:46
fr_pair_value_bstrndup
int fr_pair_value_bstrndup(fr_pair_t *vp, char const *src, size_t len, bool tainted)
Copy data into a "string" type value pair.
Definition pair.c:2812
fr_pair_delete
int fr_pair_delete(fr_pair_list_t *list, fr_pair_t *vp)
Remove fr_pair_t from a list and free.
Definition pair.c:1833
fr_pair_list_steal
void fr_pair_list_steal(TALLOC_CTX *ctx, fr_pair_list_t *list)
Steal a list of pairs to a new context.
Definition pair.c:2307
fr_pair_cmp_by_da
int8_t fr_pair_cmp_by_da(void const *a, void const *b)
Order attributes by their da, and tag.
Definition pair.c:1851
fr_pair_value_memdup_buffer_shallow
int fr_pair_value_memdup_buffer_shallow(fr_pair_t *vp, uint8_t const *src, bool tainted)
Assign a talloced buffer to a "octets" type value pair.
Definition pair.c:3037
fr_pair_list_afrom_file
int fr_pair_list_afrom_file(TALLOC_CTX *ctx, fr_dict_t const *dict, fr_pair_list_t *out, FILE *fp, bool *pfiledone, bool allow_exec)
Read valuepairs from the fp up to End-Of-File.
Definition pair_legacy.c:1270
fr_radius_global_init
int fr_radius_global_init(void)
Definition base.c:1297
fr_radius_decode_simple
ssize_t fr_radius_decode_simple(TALLOC_CTX *ctx, fr_pair_list_t *out, uint8_t *packet, size_t packet_len, uint8_t const *vector, char const *secret)
Simple wrapper for callers who just need a shared secret.
Definition base.c:1275
fr_radius_global_free
void fr_radius_global_free(void)
Definition base.c:1321
fr_radius_request_name_table
fr_table_num_sorted_t const fr_radius_request_name_table[]
Definition base.c:104
fr_radius_packet_name
char const * fr_radius_packet_name[FR_RADIUS_CODE_MAX]
Definition base.c:115
fr_radius_packet_sign
int fr_radius_packet_sign(fr_packet_t *packet, fr_packet_t const *original, char const *secret)
Sign a previously encoded packet.
Definition packet.c:150
fr_radius_packet_verify
int fr_radius_packet_verify(fr_packet_t *packet, fr_packet_t *original, char const *secret)
Verify the Request/Response Authenticator (and Message-Authenticator if present) of a packet.
Definition packet.c:129
fr_radius_packet_send
int fr_radius_packet_send(fr_packet_t *packet, fr_pair_list_t *list, fr_packet_t const *original, char const *secret)
Reply to the request.
Definition packet.c:277
fr_packet_recv
fr_packet_t * fr_packet_recv(TALLOC_CTX *ctx, int fd, int flags, uint32_t max_attributes, bool require_message_authenticator)
Receive UDP client requests, and fill in the basics of a fr_packet_t structure.
Definition packet.c:191
fr_radius_packet_log
void fr_radius_packet_log(fr_log_t const *log, fr_packet_t *packet, fr_pair_list_t *list, bool received)
Definition packet.c:478
fr_radius_packet_encode
ssize_t fr_radius_packet_encode(fr_packet_t *packet, fr_pair_list_t *list, fr_packet_t const *original, char const *secret)
Encode a packet.
Definition packet.c:43
fr_assert
#define fr_assert(_expr)
Definition rad_assert.h:37
REDEBUG
#define REDEBUG(fmt,...)
Definition radclient-ng.h:52
RDEBUG
#define RDEBUG(fmt,...)
Definition radclient-ng.h:53
rc_request_list_foreach
#define rc_request_list_foreach(_list_head, _iter)
Definition radclient-ng.h:109
WARN
#define WARN(fmt,...)
Definition radclient-ng.h:47
blast_radius_check
static int blast_radius_check(rc_request_t *request, fr_packet_t *reply)
Definition radclient.c:1337
coa_tree
static fr_rb_tree_t * coa_tree
Definition radclient.c:95
client_ipaddr
static fr_ipaddr_t client_ipaddr
Definition radclient.c:84
attr_packet_type
static fr_dict_attr_t const * attr_packet_type
Definition radclient.c:123
attr_request_authenticator
static fr_dict_attr_t const * attr_request_authenticator
Definition radclient.c:119
blast_radius
static bool blast_radius
Definition radclient.c:82
attr_user_password
static fr_dict_attr_t const * attr_user_password
Definition radclient.c:125
send_one_packet
static int send_one_packet(rc_request_t *request)
Definition radclient.c:951
getport
static int getport(char const *name)
Definition radclient.c:292
done
static bool done
Definition radclient.c:80
_rc_request_free
static int _rc_request_free(rc_request_t *request)
Definition radclient.c:193
client_port
static uint16_t client_port
Definition radclient.c:85
radclient_sane
static int radclient_sane(rc_request_t *request)
Definition radclient.c:882
recv_one_packet
static int recv_one_packet(fr_time_delta_t wait_time)
Definition radclient.c:1458
attr_coa_match_attr
static fr_dict_attr_t const * attr_coa_match_attr
Definition radclient.c:132
sleep_time
static fr_time_delta_t sleep_time
Definition radclient.c:67
coa_port
static uint16_t coa_port
Definition radclient.c:94
main
int main(int argc, char **argv)
Definition radclient.c:1668
attr_chap_password
static fr_dict_attr_t const * attr_chap_password
Definition radclient.c:121
ignore_count
static int ignore_count
Definition radclient.c:79
packet_list
static fr_packet_list_t * packet_list
Definition radclient.c:97
resend_count
static int resend_count
Definition radclient.c:78
stats
static rc_stats_t stats
Definition radclient.c:73
attr_ms_chap_response
static fr_dict_attr_t const * attr_ms_chap_response
Definition radclient.c:116
attr_ms_chap_challenge
static fr_dict_attr_t const * attr_ms_chap_challenge
Definition radclient.c:114
last_used_id
static int last_used_id
Definition radclient.c:88
server_port
static uint16_t server_port
Definition radclient.c:75
packet_code
static int packet_code
Definition radclient.c:76
attr_chap_challenge
static fr_dict_attr_t const * attr_chap_challenge
Definition radclient.c:122
recv_coa_packet
static int recv_coa_packet(fr_time_delta_t wait_time)
Definition radclient.c:1175
do_output
static bool do_output
Definition radclient.c:69
server_ipaddr
static fr_ipaddr_t server_ipaddr
Definition radclient.c:77
openssl3_free
#define openssl3_free()
Definition radclient.c:253
ipproto
static int ipproto
Definition radclient.c:90
retries
static int retries
Definition radclient.c:65
attr_proxy_state
static fr_dict_attr_t const * attr_proxy_state
Definition radclient.c:126
attr_cleartext_password
static fr_dict_attr_t const * attr_cleartext_password
Definition radclient.c:112
deallocate_id
static void deallocate_id(rc_request_t *request)
Definition radclient.c:927
print_filename
static bool print_filename
Definition radclient.c:81
do_coa
static bool do_coa
Definition radclient.c:92
openssl3_init
#define openssl3_init()
Definition radclient.c:252
attr_radclient_test_name
static fr_dict_attr_t const * attr_radclient_test_name
Definition radclient.c:118
radclient_init
static int radclient_init(TALLOC_CTX *ctx, rc_file_pair_t *files)
Definition radclient.c:478
attr_radclient_coa_filename
static fr_dict_attr_t const * attr_radclient_coa_filename
Definition radclient.c:129
mschapv1_encode
static int mschapv1_encode(fr_packet_t *packet, fr_pair_list_t *list, char const *password)
Definition radclient.c:256
radclient_dict_attr
static const fr_dict_attr_autoload_t radclient_dict_attr[]
Definition radclient.c:134
already_hex
static bool already_hex(fr_pair_t *vp)
Definition radclient.c:359
attr_user_name
static fr_dict_attr_t const * attr_user_name
Definition radclient.c:124
secret
static char * secret
Definition radclient.c:68
coafd
static int coafd
Definition radclient.c:93
sockfd
static int sockfd
Definition radclient.c:87
radclient_get_port
static void radclient_get_port(fr_radius_packet_code_t type, uint16_t *port)
Definition radclient.c:305
attr_ms_chap_password
static fr_dict_attr_t const * attr_ms_chap_password
Definition radclient.c:115
pair_update_request
#define pair_update_request(_attr, _da)
Definition radclient.c:56
request_cmp
static int8_t request_cmp(void const *one, void const *two)
Definition radclient.c:909
attr_coa_filter_name
static const char * attr_coa_filter_name
Definition radclient.c:71
timeout
static fr_time_delta_t timeout
Definition radclient.c:66
attr_radclient_coa_filter
static fr_dict_attr_t const * attr_radclient_coa_filter
Definition radclient.c:130
usage
static NEVER_RETURNS void usage(void)
Definition radclient.c:157
radclient_get_code
static fr_radius_packet_code_t radclient_get_code(uint16_t port)
Definition radclient.c:338
attr_message_authenticator
static fr_dict_attr_t const * attr_message_authenticator
Definition radclient.c:127
coa_init
static int coa_init(rc_request_t *parent, FILE *coa_reply, char const *reply_filename, bool *coa_reply_done, FILE *coa_filter, char const *filter_filename, bool *coa_filter_done)
Read one CoA reply and potentially a filter.
Definition radclient.c:385
radclient.h
Structures for the radclient utility.
rc_stats_t::accepted
uint64_t accepted
Requests to which we received a accept.
Definition radclient-ng.h:57
rc_stats_t::rejected
uint64_t rejected
Requests to which we received a reject.
Definition radclient-ng.h:58
rc_stats_t::lost
uint64_t lost
Requests to which we received no response.
Definition radclient-ng.h:59
rc_stats_t::failed
uint64_t failed
Requests which failed a filter.
Definition radclient-ng.h:62
rc_file_pair_t::coa_filter
char const * coa_filter
file containing the CoA filter we want to match
Definition radclient-ng.h:70
rc_stats_t::passed
uint64_t passed
Requests which passed a filter.
Definition radclient-ng.h:61
rc_file_pair_t::filters
char const * filters
The file containing the definition of the packet we want to match.
Definition radclient-ng.h:68
rc_file_pair_t::coa_reply
char const * coa_reply
file containing the CoA filter we want to match
Definition radclient-ng.h:71
rc_file_pair_t::packets
char const * packets
The file containing the request packet.
Definition radclient-ng.h:67
rc_stats_t::error
uint64_t error
Requests which received a Protocol-Error response.
Definition radclient-ng.h:60
rc_file_pair_t
Definition radclient-ng.h:65
rc_stats_t
Definition radclient-ng.h:56
RADIUS_MAX_ATTRIBUTES
#define RADIUS_MAX_ATTRIBUTES
Definition radius.h:39
FR_RADIUS_PACKET_CODE_VALID
#define FR_RADIUS_PACKET_CODE_VALID(_x)
Definition radius.h:51
dict_radius
static fr_dict_t const * dict_radius
Definition radsniff.c:93
fr_rand
uint32_t fr_rand(void)
Return a 32-bit random number.
Definition rand.c:104
fr_rb_num_elements
uint32_t fr_rb_num_elements(fr_rb_tree_t *tree)
Return how many nodes there are in a tree.
Definition rb.c:781
fr_rb_remove
void * fr_rb_remove(fr_rb_tree_t *tree, void const *data)
Remove an entry from the tree, without freeing the data.
Definition rb.c:695
fr_rb_delete_by_inline_node
bool fr_rb_delete_by_inline_node(fr_rb_tree_t *tree, fr_rb_node_t *node)
Remove node and free data (if a free function was specified)
Definition rb.c:767
fr_rb_find
void * fr_rb_find(fr_rb_tree_t const *tree, void const *data)
Find an element in the tree, returning the data, not the node.
Definition rb.c:577
fr_rb_insert
bool fr_rb_insert(fr_rb_tree_t *tree, void const *data)
Insert data into a tree.
Definition rb.c:626
fr_rb_inline_talloc_alloc
#define fr_rb_inline_talloc_alloc(_ctx, _type, _field, _data_cmp, _data_free)
Allocs a red black that verifies elements are of a specific talloc type.
Definition rb.h:244
fr_rb_tree_s
The main red black tree structure.
Definition rb.h:71
request_s::reply
fr_packet_t * reply
Outgoing response.
Definition request.h:252
request_s::packet
char const *fr_packet_t * packet
< Module the request is currently being processed by.
Definition request.h:251
request_s
Definition request.h:191
name
static char const * name
Definition rlm_redis_ippool_tool.c:156
smbdes_mschap
void smbdes_mschap(uint8_t const win_password[16], uint8_t const *challenge, uint8_t *response)
Definition smbdes.c:339
fr_socket_server_udp
int fr_socket_server_udp(fr_ipaddr_t const *src_ipaddr, uint16_t *src_port, char const *port_name, bool async)
Open an IPv4/IPv6 unconnected UDP socket.
Definition socket.c:846
fr_socket_client_tcp
int fr_socket_client_tcp(char const *ifname, fr_ipaddr_t *src_ipaddr, fr_ipaddr_t const *dst_ipaddr, uint16_t dst_port, bool async)
Establish a connected TCP socket.
Definition socket.c:708
fr_socket_bind
int fr_socket_bind(int sockfd, char const *ifname, fr_ipaddr_t *src_ipaddr, uint16_t *src_port)
Bind a UDP/TCP v4/v6 socket to a given ipaddr src port, and interface.
Definition socket.c:200
type
fr_aka_sim_id_type_t type
Definition state_machine.c:3648
vp
fr_pair_t * vp
Definition state_machine.c:2287
fr_log_s::dst
fr_log_dst_t dst
Log destination.
Definition log.h:94
fr_log_s::fd
int fd
File descriptor to write messages to.
Definition log.h:109
fr_log_s::print_level
bool print_level
sometimes we don't want log levels printed
Definition log.h:103
pair_list_s
Definition pair.h:52
rc_request
Definition radclient-ng.h:77
rc_request::num
uint64_t num
The number (within the file) of the request were reading.
Definition radclient-ng.h:80
rc_request::reply
fr_packet_t * reply
The incoming response.
Definition radclient-ng.h:91
rc_request::password
fr_pair_t * password
Password.Cleartext.
Definition radclient-ng.h:87
rc_request::name
char const * name
Test name (as specified in the request).
Definition radclient-ng.h:104
rc_request::files
rc_file_pair_t * files
Request and response file names.
Definition radclient-ng.h:82
rc_request::coa
rc_request_t * coa
CoA filter and reply.
Definition radclient-ng.h:84
rc_request::packet
fr_packet_t * packet
The outgoing request.
Definition radclient-ng.h:90
rc_request::request_pairs
fr_pair_list_t request_pairs
Definition radclient-ng.h:93
rc_request::node
fr_rb_node_t node
rbtree node data for CoA
Definition radclient-ng.h:85
rc_request::done
bool done
Whether the request is complete.
Definition radclient-ng.h:102
rc_request::filter
fr_pair_list_t filter
If the reply passes the filter, then the request passes.
Definition radclient-ng.h:96
rc_request::reply_pairs
fr_pair_list_t reply_pairs
Definition radclient-ng.h:94
rc_request::filter_code
fr_radius_packet_code_t filter_code
Expected code of the response packet.
Definition radclient-ng.h:97
rc_request::timestamp
fr_time_t timestamp
Definition radclient-ng.h:88
rc_request::tries
int tries
Definition radclient-ng.h:100
rc_request::resend
int resend
Definition radclient-ng.h:99
value_pair_s
Stores an attribute, a value and various bits of other data.
Definition pair.h:68
value_pair_s::da
fr_dict_attr_t const *_CONST da
Dictionary attribute defines the attribute number, vendor and type of the pair.
Definition pair.h:69
fr_syserror
char const * fr_syserror(int num)
Guaranteed to be thread-safe version of strerror.
Definition syserror.c:243
fr_table_value_by_str
#define fr_table_value_by_str(_table, _name, _def)
Convert a string to a value using a sorted or ordered table.
Definition table.h:653
talloc_strndup
#define talloc_strndup(_ctx, _str, _len)
Definition talloc.h:143
talloc_autofree_context
#define talloc_autofree_context
The original function is deprecated, so replace it with our version.
Definition talloc.h:48
talloc_strdup
#define talloc_strdup(_ctx, _str)
Definition talloc.h:142
fr_time_delta_from_str
fr_slen_t fr_time_delta_from_str(fr_time_delta_t *out, char const *in, size_t inlen, fr_time_res_t hint)
Create fr_time_delta_t from a string.
Definition time.c:412
fr_time_delta_lt
#define fr_time_delta_lt(_a, _b)
Definition time.h:285
fr_time_delta_from_sec
static fr_time_delta_t fr_time_delta_from_sec(int64_t sec)
Definition time.h:590
fr_time_delta_wrap
#define fr_time_delta_wrap(_time)
Definition time.h:152
fr_time_delta_ispos
#define fr_time_delta_ispos(_a)
Definition time.h:290
fr_time_delta_to_timeval
#define fr_time_delta_to_timeval(_delta)
Convert a delta to a timeval.
Definition time.h:656
fr_time_delta_eq
#define fr_time_delta_eq(_a, _b)
Definition time.h:287
FR_TIME_RES_SEC
@ FR_TIME_RES_SEC
Definition time.h:50
NSEC
#define NSEC
Definition time.h:379
fr_time_delta_sub
static fr_time_delta_t fr_time_delta_sub(fr_time_delta_t a, fr_time_delta_t b)
Definition time.h:261
fr_time_sub
#define fr_time_sub(_a, _b)
Subtract one time from another.
Definition time.h:229
fr_time_delta_gt
#define fr_time_delta_gt(_a, _b)
Definition time.h:283
fr_time_delta_s
A time delta, a difference in time measured in nanoseconds.
Definition time.h:80
fr_time_s
"server local" time.
Definition time.h:69
T_OP_CMP_FALSE
@ T_OP_CMP_FALSE
Definition token.h:103
FR_DICTIONARY_FILE
#define FR_DICTIONARY_FILE
Definition conf.h:7
fr_packet_t::uctx
void * uctx
Definition packet.h:79
fr_packet_t::code
unsigned int code
Packet code (type).
Definition packet.h:61
fr_packet_t::socket
fr_socket_t socket
This packet was received on.
Definition packet.h:57
fr_packet_t::id
int id
Packet ID (used to link requests/responses).
Definition packet.h:60
fr_packet_t::data
uint8_t * data
Packet data (body).
Definition packet.h:63
fr_packet_t::data_len
size_t data_len
Length of packet data.
Definition packet.h:64
fr_packet_t::vector
uint8_t vector[RADIUS_AUTH_VECTOR_LENGTH]
RADIUS authentication vector.
Definition packet.h:69
fr_packet_t
Definition packet.h:56
fr_pair_list_empty
bool fr_pair_list_empty(fr_pair_list_t const *list)
Is a valuepair list empty.
Definition pair_inline.c:124
fr_pair_list_sort
void fr_pair_list_sort(fr_pair_list_t *list, fr_cmp_t cmp)
Sort a doubly linked list of fr_pair_ts using merge sort.
Definition pair_inline.c:139
fr_pair_list_next
fr_pair_t * fr_pair_list_next(fr_pair_list_t const *list, fr_pair_t const *item))
Get the next item in a valuepair list after a specific entry.
Definition pair_inline.c:69
fr_pair_list_append
void fr_pair_list_append(fr_pair_list_t *dst, fr_pair_list_t *src)
Appends a list of fr_pair_t from a temporary list to a destination list.
Definition pair_inline.c:181
PAIR_LIST_VERIFY
#define PAIR_LIST_VERIFY(_x)
Definition pair.h:207
fr_pair_list_head
fr_pair_t * fr_pair_list_head(fr_pair_list_t const *list)
Get the head of a valuepair list.
Definition pair_inline.c:42
parent
static fr_slen_t parent
Definition pair.h:858
fr_socket_t::af
int af
AF_INET, AF_INET6, or AF_UNIX.
Definition socket.h:75
fr_socket_t::fd
int fd
File descriptor if this is a live socket.
Definition socket.h:78
fr_socket_t::type
int type
SOCK_STREAM, SOCK_DGRAM, etc.
Definition socket.h:76
fr_perror
void fr_perror(char const *fmt,...)
Print the current error to stderr with a prefix.
Definition strerror.c:732
fr_strerror_clear
void fr_strerror_clear(void)
Clears all pending messages from the talloc pools.
Definition strerror.c:576
fr_check_lib_magic
int fr_check_lib_magic(uint64_t magic)
Check if the application linking to the library has the correct magic number.
Definition version.c:40
RADIUSD_VERSION_BUILD
#define RADIUSD_VERSION_BUILD(_x)
Create a version string for a utility in the suite of FreeRADIUS utilities.
Definition version.h:58
RADIUSD_MAGIC_NUMBER
#define RADIUSD_MAGIC_NUMBER
Definition version.h:81
fr_value_box_cmp
int8_t fr_value_box_cmp(fr_value_box_t const *a, fr_value_box_t const *b)
Compare two values.
Definition value.c:748
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