/
l2tp_common.c
1030 lines (972 loc) · 44.6 KB
/
l2tp_common.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*****************************************************************************
* Copyright (C) 2004,2005,2006,2007,2008 Katalix Systems Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*****************************************************************************/
/* Common code, shared by more than one application */
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <errno.h>
#include "usl.h"
#include "l2tp_private.h"
#include "l2tp_rpc.h"
int l2tp_parse_debug_mask(uint32_t *flags, char *debug_arg, int noisy)
{
unsigned long mask = 0;
char *end = NULL;
int index;
char *str;
char *strp;
int len;
int result = 0;
int valid;
static const struct {
int mask;
const char *name;
int min_name_len;
} debug_flag_names[] = {
{ L2TP_PROTOCOL, "protocol", 4 },
{ L2TP_FSM, "fsm", 3 },
{ L2TP_API, "api", 3 },
{ L2TP_AVPHIDE, "avp_hide", 5 },
{ L2TP_AVPDATA, "avp_data", 5 },
{ L2TP_AVP, "avp_info", 5 },
{ L2TP_FUNC, "func", 3 },
{ L2TP_XPRT, "transport", 3 },
{ L2TP_DATA, "data", 3 },
{ L2TP_SYSTEM, "system", 3 },
{ L2TP_PPP, "ppp_control", 3 },
};
/* Check for simple case - an integer mask */
mask = strtoul(debug_arg, &end, 0);
if ((end != NULL) && (*end == '\0')) {
goto out;
}
/* Check for "all" */
if (strcasecmp(debug_arg, "all") == 0) {
mask = -1;
goto out;
}
/* Look for colon-separated args, i.e. fsm,protocol */
str = debug_arg;
for (;;) {
strp = strchr(str, ',');
if (strp == NULL) {
len = strlen(str);
} else {
len = strp - str;
}
if (len == 0) {
break;
}
valid = 0;
for (index = 0; index < (sizeof(debug_flag_names) / sizeof(debug_flag_names[0])); index++) {
if (len < debug_flag_names[index].min_name_len) {
continue;
}
if (strncasecmp(str, debug_flag_names[index].name, debug_flag_names[index].min_name_len) == 0) {
mask |= debug_flag_names[index].mask;
valid = 1;
break;
}
}
if (!valid) {
result = -EINVAL;
if (noisy) {
fprintf(stderr, "Unknown trace flag: %-*.*s\n", len, len, str);
}
goto err;
}
if (strp == NULL) {
break;
}
str = strp + 1;
}
out:
*flags = mask;
err:
return result;
}
const char *l2tp_strerror(int error)
{
static char unknown_err[30];
char *str = &unknown_err[0];
if (error < L2TP_ERR_BASE) {
return strerror(error);
}
switch (error) {
case L2TP_ERR_PARAM_NOT_MODIFIABLE:
str = "Parameter not modifiable";
break;
case L2TP_ERR_PEER_ADDRESS_MISSING:
str = "Peer address missing";
break;
case L2TP_ERR_PEER_NOT_FOUND:
str = "Peer not found";
break;
case L2TP_ERR_PEER_PROFILE_NOT_FOUND:
str = "Peer profile not found";
break;
case L2TP_ERR_PPP_PROFILE_NOT_FOUND:
str = "PPP profile not found";
break;
case L2TP_ERR_PROFILE_ALREADY_EXISTS:
str = "Profile already exists";
break;
case L2TP_ERR_PROFILE_NAME_ILLEGAL:
str = "Profile name illegal";
break;
case L2TP_ERR_PROFILE_NAME_MISSING:
str = "Profile name missing";
break;
case L2TP_ERR_SESSION_ALREADY_EXISTS:
str = "Session already exists";
break;
case L2TP_ERR_SESSION_ID_ALLOC_FAILURE:
str = "Session id allocation failure";
break;
case L2TP_ERR_SESSION_LIMIT_EXCEEDED:
str = "Session limit exceeded";
break;
case L2TP_ERR_SESSION_NOT_FOUND:
str = "Session not found";
break;
case L2TP_ERR_SESSION_PROFILE_NOT_FOUND:
str = "Session profile not found";
break;
case L2TP_ERR_SESSION_SPEC_MISSING:
str = "Session id or session name missing";
break;
case L2TP_ERR_SESSION_TYPE_BAD:
str = "Session type invalid";
break;
case L2TP_ERR_SESSION_TYPE_ILLEGAL_FOR_TUNNEL:
str = "Session type illegal for tunnel";
break;
case L2TP_ERR_TUNNEL_ADD_ADMIN_DISABLED:
str = "Tunnel is administratively disabled";
break;
case L2TP_ERR_TUNNEL_CREATE_ADMIN_DISABLED:
str = "Tunnel creation is administratively disabled";
break;
case L2TP_ERR_TUNNEL_ALREADY_EXISTS:
str = "Tunnel already exists";
break;
case L2TP_ERR_TUNNEL_ID_ALLOC_FAILURE:
str = "Tunnel id allocation failure";
break;
case L2TP_ERR_TUNNEL_NOT_FOUND:
str = "Tunnel not found";
break;
case L2TP_ERR_TUNNEL_PROFILE_NOT_FOUND:
str = "Tunnel profile not found";
break;
case L2TP_ERR_TUNNEL_SPEC_MISSING:
str = "Tunnel id or tunnel name missing";
break;
case L2TP_ERR_TUNNEL_TOO_MANY_SESSIONS:
str = "Tunnel too many sessions";
break;
case L2TP_ERR_TUNNEL_TOO_MANY_SAME_IP:
str = "Too many tunnels between same IP addresses";
break;
case L2TP_ERR_TUNNEL_LIMIT_EXCEEDED:
str = "Tunnel limit exceeded";
break;
case L2TP_ERR_SESSION_TYPE_NOT_SUPPORTED:
str = "Session type not supported";
break;
case L2TP_ERR_TUNNEL_HIDE_AVPS_NEEDS_SECRET:
str = "HideAVPs cannot be set without a secret";
break;
default:
sprintf(&unknown_err[0], "Unknown error (%d)", error);
break;
}
return str;
}
/*****************************************************************************
* Context display functions.
* These are used by the l2tpconfig CLI application and by openl2tpd if
* its status-file option is enabled.
*****************************************************************************/
#ifdef L2TP_FEATURE_LOCAL_STAT_FILE
static int print_trace_flags(FILE *file, int trace_flags, const char *pfx)
{
return fprintf(file, "%s trace flags:%s%s%s%s%s%s%s%s%s%s%s%s\n",
pfx ? pfx : "",
(trace_flags & L2TP_DEBUG_PROTOCOL) ? " PROTOCOL" : "",
(trace_flags & L2TP_DEBUG_FSM) ? " FSM" : "",
(trace_flags & L2TP_DEBUG_API) ? " API" : "",
(trace_flags & L2TP_DEBUG_AVP) ? " AVP" : "",
(trace_flags & L2TP_DEBUG_AVP_HIDE) ? " AVPHIDE" : "",
(trace_flags & L2TP_DEBUG_AVP_DATA) ? " AVPDATA" : "",
(trace_flags & L2TP_DEBUG_FUNC) ? " FUNC" : "",
(trace_flags & L2TP_DEBUG_XPRT) ? " XPRT" : "",
(trace_flags & L2TP_DEBUG_DATA) ? " DATA" : "",
(trace_flags & L2TP_DEBUG_PPP) ? " PPP" : "",
(trace_flags & L2TP_DEBUG_SYSTEM) ? " SYSTEM" : "",
((trace_flags & (L2TP_DEBUG_PROTOCOL | L2TP_DEBUG_FSM |
L2TP_DEBUG_API | L2TP_DEBUG_AVP |
L2TP_DEBUG_AVP_HIDE | L2TP_DEBUG_AVP_DATA |
L2TP_DEBUG_FUNC | L2TP_DEBUG_XPRT |
L2TP_DEBUG_DATA | L2TP_DEBUG_PPP |
L2TP_DEBUG_SYSTEM)) == 0) ? " NONE" : "");
}
static void ip_to_string(char *result, uint32_t addr)
{
struct in_addr ip;
char *str;
ip.s_addr = addr;
str = inet_ntoa(ip);
if ((str != NULL) && (strcmp(str, "0.0.0.0") != 0)) {
strcpy(result, str);
} else {
strcpy(result, "NOT SET");
}
}
int l2tp_show_app_version(FILE *file, struct l2tp_api_app_msg_data *app)
{
int len = 0;
char lac_features[16];
char lns_features[16];
len += fprintf(file, "OpenL2TP V%d.%d, built %s [%s],\n\t%s %s\n",
app->major, app->minor, app->build_date, app->build_time,
L2TP_APP_COPYRIGHT_INFO, L2TP_APP_VENDOR_INFO);
lac_features[0] = '\0';
if ((app->features & (L2TP_API_APP_FEATURE_LAIC_SUPPORT | L2TP_API_APP_FEATURE_LAOC_SUPPORT)) !=
(L2TP_API_APP_FEATURE_LAIC_SUPPORT | L2TP_API_APP_FEATURE_LAOC_SUPPORT)) {
sprintf(&lac_features[0], "(%s%s) ",
app->features & L2TP_API_APP_FEATURE_LAIC_SUPPORT ? "LAIC/" : "-/",
app->features & L2TP_API_APP_FEATURE_LAOC_SUPPORT ? "LAOC" : "-");
}
lns_features[0] = '\0';
if ((app->features & (L2TP_API_APP_FEATURE_LNIC_SUPPORT | L2TP_API_APP_FEATURE_LNOC_SUPPORT)) !=
(L2TP_API_APP_FEATURE_LNIC_SUPPORT | L2TP_API_APP_FEATURE_LNOC_SUPPORT)) {
sprintf(&lns_features[0], "(%s%s) ",
app->features & L2TP_API_APP_FEATURE_LNIC_SUPPORT ? "LNIC/" : "-/",
app->features & L2TP_API_APP_FEATURE_LNOC_SUPPORT ? "LNOC" : "-");
}
len += fprintf(file, " Features: %s%s%s%s%s%s\n",
app->features & L2TP_API_APP_FEATURE_LAC_SUPPORT ? "LAC " : "",
app->features & (L2TP_API_APP_FEATURE_LAIC_SUPPORT | L2TP_API_APP_FEATURE_LAOC_SUPPORT) ? lac_features : "",
app->features & L2TP_API_APP_FEATURE_LNS_SUPPORT ? "LNS " : "",
app->features & (L2TP_API_APP_FEATURE_LNIC_SUPPORT | L2TP_API_APP_FEATURE_LNOC_SUPPORT) ? lns_features : "",
app->features & L2TP_API_APP_FEATURE_LOCAL_CONF_FILE ? "CONF " : "",
app->features & L2TP_API_APP_FEATURE_LOCAL_STAT_FILE ? "STAT " : "");
if (app->patches.patches_len > 0) {
int patch;
len += fprintf(file, " Patches: ");
for (patch = 0; patch < app->patches.patches_len; patch++) {
len += fprintf(file, "%d ", app->patches.patches_val[patch]);
}
len += fprintf(file, "\n");
}
if (app->cookie != L2TP_APP_COOKIE) {
len += fprintf(file, "*** WARNING: CONTROL APPLICATION AND DAEMON ARE OUT OF SYNC. ***\n");
len += fprintf(file, "*** UNDEFINED BEHAVIOR MAY RESULT. REINSTALL TO FIX. ***\n\n");
}
return len;
}
int l2tp_show_system_config(FILE *file, struct l2tp_api_system_msg_data *sys)
{
int len = 0;
len += fprintf(file, "L2TP configuration:\n");
len += fprintf(file, " UDP port: %hu\n", sys->config.udp_port);
len += fprintf(file, " max tunnels: %u%s, max sessions: %u%s\n",
sys->config.max_tunnels, sys->config.max_tunnels == 0 ? " (unlimited)" : "",
sys->config.max_sessions, sys->config.max_sessions == 0 ? " (unlimited)" : "");
len += fprintf(file, " drain tunnels: %s\n", sys->config.drain_tunnels ? "YES" : "NO");
len += fprintf(file, " tunnel establish timeout: %hu seconds%s\n",
sys->config.tunnel_establish_timeout, sys->config.tunnel_establish_timeout == 0 ? " (unlimited)" : "");
len += fprintf(file, " session establish timeout: %hu seconds%s\n",
sys->config.session_establish_timeout, sys->config.session_establish_timeout == 0 ? " (unlimited)" : "");
len += fprintf(file, " tunnel persist pend timeout: %hu seconds\n", sys->config.tunnel_persist_pend_timeout);
len += fprintf(file, " session persist pend timeout: %hu seconds\n", sys->config.session_persist_pend_timeout);
len += fprintf(file, " deny local tunnel creation: %s, deny remote tunnel creation: %s\n",
sys->config.deny_local_tunnel_creates ? "YES" : "NO", sys->config.deny_remote_tunnel_creates ? "YES" : "NO");
len += print_trace_flags(file, sys->config.trace_flags, NULL);
return len;
}
int l2tp_show_system_status(FILE *file, struct l2tp_api_system_msg_data *sys)
{
int len = 0;
len += fprintf(file, "L2TP service status:-\n");
len += fprintf(file, " tunnels: %u, sessions: %u\n",
sys->status.num_tunnels, sys->status.num_sessions);
return len;
}
int l2tp_show_system_stats(FILE *file, struct l2tp_api_system_msg_data *sys)
{
int len = 0;
int type;
static const char *msg_names[] = {
"ILLEGAL", "SCCRQ", "SCCRP", "SCCCN", "STOPCCN", "RESERVED1", "HELLO",
"OCRQ", "OCRP", "OCCN", "ICRQ", "ICRP", "ICCN", "RESERVED2",
"CDN", "WEN", "SLI"
};
len += fprintf(file, "L2TP counters:-\n");
len += fprintf(file, " Total messages sent: %u, received: %u, retransmitted: %u\n",
sys->status.stats.total_sent_control_frames, sys->status.stats.total_rcvd_control_frames,
sys->status.stats.total_retransmitted_control_frames);
len += fprintf(file, " illegal: %u, unsupported: %u, ignored AVPs: %u, vendor AVPs: %u\n",
sys->status.stats.illegal_messages, sys->status.stats.unsupported_messages,
sys->status.stats.ignored_avps, sys->status.stats.vendor_avps);
len += fprintf(file, " Setup failures: tunnels: %u, sessions: %u\n",
sys->status.stats.tunnel_setup_failures, sys->status.stats.session_setup_failures);
len += fprintf(file, " Resource failures: control frames: %u, peers: %u\n"
" tunnels: %u, sessions: %u, ppp: %u\n",
sys->status.stats.no_control_frame_resources,
sys->status.stats.no_peer_resources,
sys->status.stats.no_tunnel_resources,
sys->status.stats.no_session_resources,
sys->status.stats.no_ppp_resources);
len += fprintf(file, " Limit exceeded errors: tunnels: %u, sessions: %u\n",
sys->status.stats.too_many_tunnels, sys->status.stats.too_many_sessions);
len += fprintf(file, " Frame errors: short frames: %u, wrong version frames: %u\n"
" unexpected data frames: %u, bad frames: %u\n",
sys->status.stats.short_frames, sys->status.stats.wrong_version_frames,
sys->status.stats.unexpected_data_frames, sys->status.stats.bad_rcvd_frames);
len += fprintf(file, " Internal: authentication failures: %u, message encode failures: %u\n"
" no matching tunnel discards: %u, mismatched tunnel ids: %u\n"
" no matching session_discards: %u, mismatched session ids: %u\n"
" total control frame send failures: %u, event queue fulls: %u\n\n",
sys->status.stats.auth_fails, sys->status.stats.encode_message_fails,
sys->status.stats.no_matching_tunnel_id_discards, sys->status.stats.mismatched_tunnel_ids,
sys->status.stats.no_matching_session_id_discards, sys->status.stats.mismatched_session_ids,
sys->status.stats.total_control_frame_send_fails, sys->status.stats.event_queue_full_errors);
len += fprintf(file, " Message counters:-\n");
len += fprintf(file, "%16s %16s %16s %16s\n", "Message", "RX Good", "RX Bad", "TX");
for (type = 0; type < sys->status.stats.messages.messages_len; type++) {
if (type == L2TP_API_MSG_TYPE_COUNT) {
break;
}
len += fprintf(file, "%16s %16u %16u %16u\n", msg_names[type], sys->status.stats.messages.messages_val[type].rx,
sys->status.stats.messages.messages_val[type].rx_bad, sys->status.stats.messages.messages_val[type].tx);
}
return len;
}
int l2tp_show_tunnel(FILE *file, struct l2tp_api_tunnel_msg_data *tun, int config_only, int transport_only)
{
int len = 0;
char our_ip[16];
char peer_ip[16];
char idstr[32];
char *ip;
struct in_addr ip_addr;
ip_addr.s_addr = tun->peer_addr.s_addr;
ip = inet_ntoa(ip_addr);
strcpy(peer_ip, ip);
ip_addr.s_addr = tun->our_addr.s_addr;
ip = inet_ntoa(ip_addr);
strcpy(our_ip, ip);
idstr[0] = '\0';
if (tun->config_id != 1) {
sprintf(&idstr[0], ", config_id %d", tun->config_id);
}
len += fprintf(file, "Tunnel %hu, from %s to %s%s:-\n",
tun->tunnel_id, our_ip, peer_ip, idstr);
len += fprintf(file, " state: %s\n", OPTSTRING_PTR(tun->state));
if (!transport_only) {
if (OPTSTRING_PTR(tun->create_time) != NULL) {
len += fprintf(file, " created at: %s", OPTSTRING(tun->create_time));
}
if (OPTSTRING_PTR(tun->tunnel_name) != NULL) {
len += fprintf(file, " administrative name: '%s'\n", OPTSTRING(tun->tunnel_name));
}
if (OPTSTRING_PTR(tun->interface_name) != NULL) {
len += fprintf(file, " interface name: %s\n", OPTSTRING(tun->interface_name));
}
len += fprintf(file, " created by admin: %s, tunnel mode: %s%s\n",
(tun->created_by_admin) ? "YES" : "NO",
(tun->mode == L2TP_API_TUNNEL_MODE_LAC) ? "LAC" : "LNS",
(tun->created_by_admin && tun->persist) ? ", persist: YES" : "");
if (OPTSTRING_PTR(tun->host_name) != NULL) {
len += fprintf(file, " local host name: %s\n", OPTSTRING(tun->host_name));
}
len += fprintf(file, " peer tunnel id: %d, host name: %s\n", tun->peer_tunnel_id,
(OPTSTRING_PTR(tun->peer.host_name) == NULL) ? "NOT SET" : OPTSTRING(tun->peer.host_name));
len += fprintf(file, " UDP ports: local %hu, peer %hu\n",
tun->our_udp_port, tun->peer_udp_port);
len += fprintf(file, " authorization mode: %s%s, hide AVPs: %s, allow PPP proxy: %s\n",
(tun->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_NONE) ? "NONE" :
(tun->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_SIMPLE) ? "SIMPLE" :
(tun->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_CHALLENGE) ? "CHALLENGE" : "??",
(tun->stats.using_ipsec) ? "/IPSec" : "",
(tun->hide_avps) ? "ON" : "OFF",
(tun->allow_ppp_proxy) ? "ON" : "OFF");
if (OPTSTRING_PTR(tun->secret) != NULL) {
len += fprintf(file, " tunnel secret: '%s'\n", OPTSTRING(tun->secret));
}
len += fprintf(file, " session limit: %d, session count: %d\n",
tun->max_sessions, tun->num_sessions);
len += fprintf(file, " tunnel profile: %s, peer profile: %s\n",
OPTSTRING_PTR(tun->tunnel_profile_name) == NULL ? "NOT SET" : OPTSTRING(tun->tunnel_profile_name),
OPTSTRING_PTR(tun->peer_profile_name) == NULL ? "NOT SET" : OPTSTRING(tun->peer_profile_name));
len += fprintf(file, " session profile: %s, ppp profile: %s\n",
OPTSTRING_PTR(tun->session_profile_name) == NULL ? "NOT SET" : OPTSTRING(tun->session_profile_name),
OPTSTRING_PTR(tun->ppp_profile_name) == NULL ? "NOT SET" : OPTSTRING(tun->ppp_profile_name));
len += fprintf(file, " hello timeout: %d, retry timeout: %d, idle timeout: %d\n",
tun->hello_timeout, tun->retry_timeout, tun->idle_timeout);
len += fprintf(file, " rx window size: %d, tx window size: %d, max retries: %d\n",
tun->rx_window_size, tun->tx_window_size, tun->max_retries);
len += fprintf(file, " use udp checksums: %s\n", (tun->use_udp_checksums) ? "ON" : "OFF");
len += fprintf(file, " do pmtu discovery: %s, mtu: %d\n", (tun->do_pmtu_discovery) ? "ON" : "OFF", tun->mtu);
len += fprintf(file, " framing capability:%s%s%s, bearer capability:%s%s%s\n",
((tun->framing_cap_sync == 0) && (tun->framing_cap_async == 0)) ? " NONE" : "",
(tun->framing_cap_sync) ? " SYNC" : "",
(tun->framing_cap_async) ? " ASYNC" : "",
((tun->bearer_cap_digital == 0) && (tun->bearer_cap_analog == 0)) ? " NONE" : "",
(tun->bearer_cap_digital) ? " DIGITAL" : "",
(tun->bearer_cap_analog) ? " ANALOG" : "");
len += fprintf(file, " use tiebreaker: %s\n", (tun->use_tiebreaker) ? "ON" : "OFF");
if (tun->tiebreaker.tiebreaker_len == 8) {
len += fprintf(file, " tiebreaker: %02x %02x %02x %02x %02x %02x %02x %02x\n",
tun->tiebreaker.tiebreaker_val[0], tun->tiebreaker.tiebreaker_val[1],
tun->tiebreaker.tiebreaker_val[2], tun->tiebreaker.tiebreaker_val[3],
tun->tiebreaker.tiebreaker_val[4], tun->tiebreaker.tiebreaker_val[5],
tun->tiebreaker.tiebreaker_val[6], tun->tiebreaker.tiebreaker_val[7]);
}
if ((tun->result_code_result != 0) || (tun->result_code_error != 0)) {
len += fprintf(file, " local error information:-\n");
len += fprintf(file, " result code: %hu, error code: %hu\n",
tun->result_code_result, tun->result_code_error);
if (OPTSTRING_PTR(tun->result_code_message) != NULL) {
len += fprintf(file, " error message: %s\n", OPTSTRING(tun->result_code_message));
}
}
if ((tun->peer.result_code_result != 0) || (tun->peer.result_code_error != 0)) {
len += fprintf(file, " last error information from peer:-\n");
len += fprintf(file, " result code: %hu, error code: %hu\n",
tun->peer.result_code_result, tun->peer.result_code_error);
if (OPTSTRING_PTR(tun->peer.result_code_message) != NULL) {
len += fprintf(file, " last error message: %s\n", OPTSTRING(tun->peer.result_code_message));
}
}
print_trace_flags(file, tun->trace_flags, NULL);
if (OPTSTRING_PTR(tun->peer.vendor_name) != NULL) {
len += fprintf(file, " peer vendor name: %s\n", OPTSTRING(tun->peer.vendor_name));
}
len += fprintf(file, " peer protocol version: %d.%d, firmware %u\n",
tun->peer.protocol_version_ver, tun->peer.protocol_version_rev,
tun->peer.firmware_revision);
len += fprintf(file, " peer framing capability:%s%s%s\n",
((tun->peer.framing_cap_sync == 0) && (tun->peer.framing_cap_async == 0)) ? " NONE" : "",
(tun->peer.framing_cap_sync) ? " SYNC" : "",
(tun->peer.framing_cap_async) ? " ASYNC" : "");
len += fprintf(file, " peer bearer capability:%s%s%s\n",
((tun->peer.bearer_cap_digital == 0) && (tun->peer.bearer_cap_analog == 0)) ? " NONE" : "",
(tun->peer.bearer_cap_digital) ? " DIGITAL" : "",
(tun->peer.bearer_cap_analog) ? " ANALOG" : "");
len += fprintf(file, " peer rx window size: %hu\n", tun->peer.rx_window_size);
if ((tun->actual_tx_window_size > 0) && (tun->tx_window_size != tun->actual_tx_window_size)) {
len += fprintf(file, " negotiated tx window size: %hu\n", tun->actual_tx_window_size);
}
if (tun->peer.tiebreaker.tiebreaker_len == 8) {
len += fprintf(file, " peer tiebreaker: %02x %02x %02x %02x %02x %02x %02x %02x\n",
tun->peer.tiebreaker.tiebreaker_val[0], tun->peer.tiebreaker.tiebreaker_val[1],
tun->peer.tiebreaker.tiebreaker_val[2], tun->peer.tiebreaker.tiebreaker_val[3],
tun->peer.tiebreaker.tiebreaker_val[4], tun->peer.tiebreaker.tiebreaker_val[5],
tun->peer.tiebreaker.tiebreaker_val[6], tun->peer.tiebreaker.tiebreaker_val[7]);
}
}
if (!config_only) {
len += fprintf(file, " Transport status:-\n");
len += fprintf(file, " ns/nr: %hu/%hu, peer %hu/%hu\n"
" cwnd: %hu, ssthresh: %hu, congpkt_acc: %hu\n",
tun->stats.ns, tun->stats.nr, tun->stats.peer_nr, tun->stats.peer_ns,
tun->stats.cwnd, tun->stats.ssthresh, tun->stats.congpkt_acc);
len += fprintf(file, " Transport statistics:-\n");
len += fprintf(file, " out-of-sequence control/data discards: %llu/%llu\n",
(unsigned long long) tun->stats.control_rx_oos_discards,
(unsigned long long) tun->stats.data_rx_oos_discards);
len += fprintf(file, " zlbs tx/txfail/rx: %u/%u/%u\n", tun->stats.tx_zlbs,
tun->stats.tx_zlb_fails, tun->stats.rx_zlbs);
len += fprintf(file, " retransmits: %u, duplicate pkt discards: %u, data pkt discards: %u\n",
tun->stats.retransmits, tun->stats.duplicate_pkt_discards,
tun->stats.data_pkt_discards);
len += fprintf(file, " hellos tx/txfail/rx: %u/%u/%u\n", tun->stats.tx_hellos,
tun->stats.tx_hello_fails, tun->stats.rx_hellos);
len += fprintf(file, " control rx packets: %llu, rx bytes: %llu\n",
(unsigned long long) tun->stats.control_rx_packets,
(unsigned long long) tun->stats.control_rx_bytes);
len += fprintf(file, " control tx packets: %llu, tx bytes: %llu\n",
(unsigned long long) tun->stats.control_tx_packets,
(unsigned long long) tun->stats.control_tx_bytes);
if (tun->stats.control_rx_oos_packets > 0) {
len += fprintf(file, " control rx out-of-sequence packets: %llu\n",
(unsigned long long) tun->stats.control_rx_oos_packets);
}
len += fprintf(file, " data rx packets: %llu, rx bytes: %llu, rx errors: %llu\n",
(unsigned long long) tun->stats.data_rx_packets,
(unsigned long long) tun->stats.data_rx_bytes,
(unsigned long long) tun->stats.data_rx_errors);
len += fprintf(file, " data tx packets: %llu, tx bytes: %llu, tx errors: %llu\n",
(unsigned long long) tun->stats.data_tx_packets,
(unsigned long long) tun->stats.data_tx_bytes,
(unsigned long long) tun->stats.data_tx_errors);
if (tun->stats.data_rx_oos_packets > 0) {
len += fprintf(file, " data rx out-of-sequence packets: %llu\n",
(unsigned long long) tun->stats.data_rx_oos_packets);
}
if (tun->created_by_admin) {
len += fprintf(file, " establish retries: %d\n", tun->num_establish_retries);
}
}
return len;
}
int l2tp_show_tunnel_profile(FILE *file, struct l2tp_api_tunnel_profile_msg_data *tp)
{
char str[16];
int len = 0;
len += fprintf(file, "Tunnel profile %s\n", tp->profile_name);
if (OPTSTRING_PTR(tp->host_name) != NULL) {
len += fprintf(file, " l2tp host name: %s\n", OPTSTRING(tp->host_name));
}
if (tp->our_addr.s_addr != 0) {
struct in_addr ip;
ip.s_addr = tp->our_addr.s_addr;
strcpy(&str[0], inet_ntoa(ip));
len += fprintf(file, " local IP address: %s\n", str);
}
if (tp->our_udp_port != 0) {
len += fprintf(file, " local UDP port: %hu\n", tp->our_udp_port);
}
if (tp->peer_addr.s_addr != 0) {
struct in_addr ip;
ip.s_addr = tp->peer_addr.s_addr;
strcpy(&str[0], inet_ntoa(ip));
len += fprintf(file, " peer IP address: %s\n", str);
}
if (tp->peer_udp_port != 0) {
len += fprintf(file, " peer UDP port: %hu\n", tp->peer_udp_port);
}
len += fprintf(file, " authorization mode %s, hide AVPs %s, allow PPP proxy %s\n",
(tp->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_NONE) ? "NONE" :
(tp->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_SIMPLE) ? "SIMPLE" :
(tp->auth_mode == L2TP_API_TUNNEL_AUTH_MODE_CHALLENGE) ? "CHALLENGE" : "??",
(tp->hide_avps) ? "ON" : "OFF",
(tp->allow_ppp_proxy) ? "ON" : "OFF");
if (OPTSTRING(tp->secret) != NULL) {
len += fprintf(file, " tunnel secret: '%s'\n", OPTSTRING(tp->secret));
}
len += fprintf(file, " hello timeout %d, retry timeout %d, idle timeout %d\n",
tp->hello_timeout, tp->retry_timeout, tp->idle_timeout);
len += fprintf(file, " rx window size %d, tx window size %d, max retries %d\n",
tp->rx_window_size, tp->tx_window_size, tp->max_retries);
len += fprintf(file, " use UDP checksums: %s\n", (tp->use_udp_checksums) ? "ON" : "OFF");
len += fprintf(file, " do pmtu discovery: %s, mtu: %d\n", (tp->do_pmtu_discovery) ? "ON" : "OFF", tp->mtu);
len += fprintf(file, " framing capability: %s%s%s\n",
((tp->framing_cap_sync == 0) && (tp->framing_cap_async == 0)) ? "NONE " : "",
(tp->framing_cap_sync) ? "SYNC " : "",
(tp->framing_cap_async) ? "ASYNC " : "");
len += fprintf(file, " bearer capability: %s%s%s\n",
((tp->bearer_cap_digital == 0) && (tp->bearer_cap_analog == 0)) ? "NONE " : "",
(tp->bearer_cap_digital) ? "DIGITAL " : "",
(tp->bearer_cap_analog) ? "ANALOG " : "");
len += fprintf(file, " use tiebreaker: %s\n", (tp->use_tiebreaker) ? "ON" : "OFF");
if (tp->max_sessions != 0) {
len += fprintf(file, " max sessions: %d\n", tp->max_sessions);
}
len += fprintf(file, " peer profile: %s\n", OPTSTRING_PTR(tp->peer_profile_name) == NULL ? "NOT SET" : OPTSTRING(tp->peer_profile_name));
len += fprintf(file, " session profile: %s\n", OPTSTRING_PTR(tp->session_profile_name) == NULL ? "NOT SET" : OPTSTRING(tp->session_profile_name));
len += fprintf(file, " ppp profile: %s\n", OPTSTRING_PTR(tp->ppp_profile_name) == NULL ? "NOT SET" : OPTSTRING(tp->ppp_profile_name));
print_trace_flags(file, tp->trace_flags, NULL);
len += fprintf(file, "\n");
return len;
}
int l2tp_show_session(FILE *file, struct l2tp_api_session_msg_data *sess)
{
int len = 0;
len += fprintf(file, "Session %hu on tunnel %hu:-\n", sess->session_id, sess->tunnel_id);
len += fprintf(file, " type: %s, state: %s\n",
(sess->session_type == L2TP_API_SESSION_TYPE_LAIC ? "LAC Incoming Call" :
sess->session_type == L2TP_API_SESSION_TYPE_LAOC ? "LAC Outgoing Call" :
sess->session_type == L2TP_API_SESSION_TYPE_LNIC ? "LNS Incoming Call" :
sess->session_type == L2TP_API_SESSION_TYPE_LNOC ? "LNS Outgoing Call" : "??"),
OPTSTRING_PTR(sess->state));
if (OPTSTRING_PTR(sess->create_time) != NULL) {
len += fprintf(file, " created at: %s", OPTSTRING(sess->create_time));
}
if (OPTSTRING_PTR(sess->session_name) != NULL) {
len += fprintf(file, " administrative name: %s\n", OPTSTRING(sess->session_name));
}
len += fprintf(file, " created by admin: %s", sess->created_by_admin ? "YES" : "NO");
if (sess->peer_session_id != 0) {
len += fprintf(file, ", peer session id: %hu\n", sess->peer_session_id);
} else {
len += fprintf(file, "\n");
}
if ((sess->flags & L2TP_API_SESSION_FLAG_PROFILE_NAME) && (OPTSTRING_PTR(sess->profile_name) != NULL)) {
len += fprintf(file, " session profile name: %s\n", OPTSTRING(sess->profile_name));
}
if (OPTSTRING_PTR(sess->priv_group_id) != NULL) {
len += fprintf(file, " private group id: %s\n", OPTSTRING(sess->priv_group_id));
}
if (!sess->no_ppp) {
if (OPTSTRING_PTR(sess->user_name) != NULL) {
len += fprintf(file, " ppp user name: %s\n", OPTSTRING(sess->user_name));
}
if (OPTSTRING_PTR(sess->user_password) != NULL) {
len += fprintf(file, " ppp user password: %s\n", OPTSTRING(sess->user_password));
}
if (OPTSTRING_PTR(sess->interface_name) != NULL) {
len += fprintf(file, " ppp interface name: %s\n", OPTSTRING(sess->interface_name));
}
if ((sess->flags & L2TP_API_SESSION_FLAG_PPP_PROFILE_NAME) && (OPTSTRING_PTR(sess->ppp_profile_name) != NULL)) {
len += fprintf(file, " ppp profile name: %s\n", OPTSTRING(sess->ppp_profile_name));
}
}
len += fprintf(file, " data sequencing required: %s\n",
sess->sequencing_required ? "ON" : "OFF");
len += fprintf(file, " use data sequence numbers: %s\n",
sess->use_sequence_numbers ? "ON" : "OFF");
if (sess->reorder_timeout != 0) {
len += fprintf(file, " reorder timeout: %u\n", sess->reorder_timeout);
}
print_trace_flags(file, sess->trace_flags, NULL);
len += fprintf(file, " framing types:%s%s%s\n",
((sess->framing_type_sync == 0) && (sess->framing_type_async == 0)) ? " NONE" : "",
sess->framing_type_sync ? " SYNC" : "",
sess->framing_type_async ? " ASYNC" : "");
len += fprintf(file, " bearer types:%s%s%s\n",
((sess->bearer_type_digital == 0) && (sess->bearer_type_analog == 0)) ? " NONE" : "",
sess->bearer_type_digital ? " DIGITAL" : "",
sess->bearer_type_analog ? " ANALOG" : "");
if (sess->call_serial_number != 0) {
len += fprintf(file, " call serial number: %d\n", sess->call_serial_number);
}
if (sess->physical_channel_id != 0) {
len += fprintf(file, " physical channel id: %d\n", sess->physical_channel_id);
}
if ((sess->minimum_bps != 0) || (sess->maximum_bps != 0)) {
len += fprintf(file, " min bps: %d, max bps: %d\n", sess->minimum_bps, sess->maximum_bps);
}
if (sess->tx_connect_speed != 0) {
if (sess->rx_connect_speed == 0) {
len += fprintf(file, " connect speed: %d\n", sess->tx_connect_speed);
} else {
len += fprintf(file, " tx connect speed: %d, rx connect speed: %d\n",
sess->tx_connect_speed, sess->rx_connect_speed);
}
}
if (OPTSTRING_PTR(sess->calling_number) != NULL) {
len += fprintf(file, " calling number: '%s'\n", OPTSTRING(sess->calling_number));
}
if (OPTSTRING_PTR(sess->called_number) != NULL) {
len += fprintf(file, " called number: '%s'\n", OPTSTRING(sess->called_number));
}
if (OPTSTRING_PTR(sess->sub_address) != NULL) {
len += fprintf(file, " sub address: '%s'\n", OPTSTRING(sess->sub_address));
}
if (!sess->no_ppp) {
len += fprintf(file, " use ppp proxy: %s\n", sess->use_ppp_proxy ? "YES" : "NO");
if (sess->proxy_auth_type != L2TP_API_SESSION_PROXY_AUTH_TYPE_RESERVED) {
len += fprintf(file, " proxy auth type: %s\n",
(sess->proxy_auth_type == L2TP_API_SESSION_PROXY_AUTH_TYPE_PLAIN_TEXT) ? "TEXT" :
(sess->proxy_auth_type == L2TP_API_SESSION_PROXY_AUTH_TYPE_PPP_CHAP) ? "CHAP" :
(sess->proxy_auth_type == L2TP_API_SESSION_PROXY_AUTH_TYPE_PPP_PAP) ? "PAP" :
(sess->proxy_auth_type == L2TP_API_SESSION_PROXY_AUTH_TYPE_NO_AUTH) ? "NONE" :
(sess->proxy_auth_type == L2TP_API_SESSION_PROXY_AUTH_TYPE_PPP_MSCHAPV1) ? "MSCHAP" : "??");
}
if (OPTSTRING_PTR(sess->proxy_auth_name) != NULL) {
len += fprintf(file, " proxy auth name: '%s'\n", OPTSTRING(sess->proxy_auth_name));
}
if (sess->proxy_auth_challenge.proxy_auth_challenge_len > 0) {
int index;
len += fprintf(file, " proxy auth challenge: ");
for (index = 0; index < sess->proxy_auth_challenge.proxy_auth_challenge_len; index++) {
len += fprintf(file, "%02x", sess->proxy_auth_challenge.proxy_auth_challenge_val[index]);
}
len += fprintf(file, "\n");
}
if (sess->proxy_auth_response.proxy_auth_response_len > 0) {
int index;
len += fprintf(file, " proxy auth response: ");
for (index = 0; index < sess->proxy_auth_response.proxy_auth_response_len; index++) {
len += fprintf(file, "%02x", sess->proxy_auth_response.proxy_auth_response_val[index]);
}
len += fprintf(file, "\n");
}
if (sess->initial_rcvd_lcp_confreq.initial_rcvd_lcp_confreq_len > 0) {
int index;
len += fprintf(file, " initial received LCP CONFREQ: ");
for (index = 0; index < sess->initial_rcvd_lcp_confreq.initial_rcvd_lcp_confreq_len; index++) {
len += fprintf(file, "%02x", sess->initial_rcvd_lcp_confreq.initial_rcvd_lcp_confreq_val[index]);
}
len += fprintf(file, "\n");
}
if (sess->last_rcvd_lcp_confreq.last_rcvd_lcp_confreq_len > 0) {
int index;
len += fprintf(file, " last received LCP CONFREQ: ");
for (index = 0; index < sess->last_rcvd_lcp_confreq.last_rcvd_lcp_confreq_len; index++) {
len += fprintf(file, "%02x", sess->last_rcvd_lcp_confreq.last_rcvd_lcp_confreq_val[index]);
}
len += fprintf(file, "\n");
}
if (sess->last_sent_lcp_confreq.last_sent_lcp_confreq_len > 0) {
int index;
len += fprintf(file, " last sent LCP CONFREQ: ");
for (index = 0; index < sess->last_sent_lcp_confreq.last_sent_lcp_confreq_len; index++) {
len += fprintf(file, "%02x", sess->last_sent_lcp_confreq.last_sent_lcp_confreq_val[index]);
}
len += fprintf(file, "\n");
}
}
if (sess->peer.result_code != 0) {
len += fprintf(file, " last peer response information:\n");
len += fprintf(file, " result code: %hu, error code: %hu\n",
sess->peer.result_code, sess->peer.error_code);
if (OPTSTRING_PTR(sess->peer.error_message) != NULL) {
len += fprintf(file, " message: '%s'\n", OPTSTRING(sess->peer.error_message));
}
}
if (sess->peer.q931_cause_code != 0) {
len += fprintf(file, " last peer Q931 information:\n");
len += fprintf(file, " q931 cause code: %hu, cause msg: %hu\n",
sess->peer.q931_cause_code, sess->peer.q931_cause_msg);
if (OPTSTRING_PTR(sess->peer.q931_advisory_msg) != NULL) {
len += fprintf(file, " advisory: '%s'\n", OPTSTRING(sess->peer.q931_advisory_msg));
}
}
len += fprintf(file, "\n Peer configuration data:-\n");
if (OPTSTRING_PTR(sess->peer.private_group_id) != NULL) {
len += fprintf(file, " private group id: %s\n", OPTSTRING(sess->peer.private_group_id));
}
len += fprintf(file, " data sequencing required: %s\n",
sess->peer.sequencing_required ? "ON" : "OFF");
len += fprintf(file, " framing types:%s%s%s\n",
((sess->framing_type_sync == 0) && (sess->framing_type_async == 0)) ? " NONE" : "",
sess->peer.framing_type_sync ? " SYNC" : "",
sess->peer.framing_type_async ? " ASYNC" : "");
len += fprintf(file, " bearer types:%s%s%s\n",
((sess->bearer_type_digital == 0) && (sess->bearer_type_analog == 0)) ? " NONE" : "",
sess->peer.bearer_type_digital ? " DIGITAL" : "",
sess->peer.bearer_type_analog ? " ANALOG" : "");
if (sess->peer.call_serial_number != 0) {
len += fprintf(file, " call serial number: %d\n", sess->peer.call_serial_number);
}
if (sess->peer.physical_channel_id != 0) {
len += fprintf(file, " physical channel id: %d\n", sess->peer.physical_channel_id);
}
if ((sess->peer.minimum_bps != 0) || (sess->peer.maximum_bps != 0)) {
len += fprintf(file, " min bps: %u, max bps: %u\n", sess->peer.minimum_bps, sess->peer.maximum_bps);
}
if (sess->peer.connect_speed != 0) {
if (sess->peer.rx_connect_speed == 0) {
len += fprintf(file, " connect speed: %u\n", sess->peer.connect_speed);
} else {
len += fprintf(file, " tx connect speed: %u, rx connect speed: %u\n",
sess->peer.connect_speed, sess->peer.rx_connect_speed);
}
}
if (OPTSTRING_PTR(sess->peer.calling_number) != NULL) {
len += fprintf(file, " calling number: '%s'\n", OPTSTRING(sess->peer.calling_number));
}
if (OPTSTRING_PTR(sess->peer.called_number) != NULL) {
len += fprintf(file, " called number: '%s'\n", OPTSTRING(sess->peer.called_number));
}
if (OPTSTRING_PTR(sess->peer.sub_address) != NULL) {
len += fprintf(file, " calling number: '%s'\n", OPTSTRING(sess->peer.sub_address));
}
if ((sess->stats.data_rx_oos_discards > 0) || (sess->stats.data_rx_oos_packets > 0)) {
len += fprintf(file, " data rx out-of-sequence packets: %llu, discards: %llu\n",
(unsigned long long) sess->stats.data_rx_oos_packets,
(unsigned long long) sess->stats.data_rx_oos_discards);
}
len += fprintf(file, " data rx packets: %llu, rx bytes: %llu, rx errors: %llu\n",
(unsigned long long) sess->stats.data_rx_packets,
(unsigned long long) sess->stats.data_rx_bytes,
(unsigned long long) sess->stats.data_rx_errors);
len += fprintf(file, " data tx packets: %llu, tx bytes: %llu, tx errors: %llu\n",
(unsigned long long) sess->stats.data_tx_packets,
(unsigned long long) sess->stats.data_tx_bytes,
(unsigned long long) sess->stats.data_tx_errors);
return len;
}
int l2tp_show_session_profile(FILE *file, struct l2tp_api_session_profile_msg_data *sp)
{
int len = 0;
len += fprintf(file, "Session profile %s\n", sp->profile_name);
len += fprintf(file, " ppp profile: %s\n", OPTSTRING(sp->ppp_profile_name));
print_trace_flags(file, sp->trace_flags, NULL);
len += fprintf(file, " session type: %s\n",
(sp->session_type == L2TP_API_SESSION_TYPE_UNSPECIFIED) ? "unspecified" :
(sp->session_type == L2TP_API_SESSION_TYPE_LAIC) ? "LAC Incoming Call" :
(sp->session_type == L2TP_API_SESSION_TYPE_LAOC) ? "LAC Outgoing Call" :
(sp->session_type == L2TP_API_SESSION_TYPE_LNIC) ? "LNS Incoming Call" :
(sp->session_type == L2TP_API_SESSION_TYPE_LNOC) ? "LNS Outgoing Call" : "??");
if (OPTSTRING_PTR(sp->priv_group_id) != NULL) {
len += fprintf(file, " private group id: %s\n", OPTSTRING(sp->priv_group_id));
}
len += fprintf(file, " data sequencing required: %s\n",
sp->sequencing_required ? "ON" : "OFF");
len += fprintf(file, " use data sequence numbers: %s\n",
sp->use_sequence_numbers ? "ON" : "OFF");
if (sp->reorder_timeout != 0) {
len += fprintf(file, " reorder timeout: %u ms\n", sp->reorder_timeout);
}
if (sp->no_ppp) {
len += fprintf(file, " ppp disabled: YES\n");
}
len += fprintf(file, " framing types:%s%s%s\n",
((sp->framing_type_sync == 0) && (sp->framing_type_async == 0)) ? " NONE" : "",
sp->framing_type_sync ? " SYNC" : "",
sp->framing_type_async ? " ASYNC" : "");
len += fprintf(file, " bearer types:%s%s%s\n",
((sp->bearer_type_digital == 0) && (sp->bearer_type_analog == 0)) ? " NONE" : "",
sp->bearer_type_digital ? " DIGITAL" : "",
sp->bearer_type_analog ? " ANALOG" : "");
if ((sp->minimum_bps != 0) || (sp->maximum_bps != 0)) {
len += fprintf(file, " min bps: %d, max bps: %d\n", sp->minimum_bps, sp->maximum_bps);
}
if (sp->tx_connect_speed != 0) {
if (sp->rx_connect_speed == 0) {
len += fprintf(file, " connect speed: %d\n", sp->tx_connect_speed);
} else {
len += fprintf(file, " tx connect speed: %d, rx connect speed: %d\n",
sp->tx_connect_speed, sp->rx_connect_speed);
}
}
len += fprintf(file, "\n");
return len;
}
int l2tp_show_ppp_profile(FILE *file, struct l2tp_api_ppp_profile_msg_data *pp)
{
char local_ip[16];
char peer_ip[16];
char dns1[16];
char dns2[16];
char wins1[16];
char wins2[16];
int len = 0;
len += fprintf(file, "Ppp profile %s\n", pp->profile_name);
print_trace_flags(file, pp->trace_flags, NULL);
len += fprintf(file, " mru: %hu, mtu: %hu, mode: %s\n",
pp->mru, pp->mtu,
(pp->sync_mode == L2TP_API_PPP_SYNCMODE_SYNC_ASYNC) ? "SYNC|ASYNC" :
(pp->sync_mode == L2TP_API_PPP_SYNCMODE_SYNC) ? "SYNC" :
(pp->sync_mode == L2TP_API_PPP_SYNCMODE_ASYNC) ? "ASYNC" : "??");
len += fprintf(file, " allowed authentications: %s%s%s%s%s%s\n",
!pp->auth_refuse_pap ? "PAP " : "",
!pp->auth_refuse_chap ? "CHAP " : "",
!pp->auth_refuse_mschap ? "MSCHAP " : "",
!pp->auth_refuse_mschapv2 ? "MSCHAPv2 " : "",
!pp->auth_refuse_eap ? "EAP " : "",
(pp->auth_none && (!pp->auth_peer)) ? "NOAUTH " : "");
if (pp->auth_peer) {
len += fprintf(file, " authenticate peer: YES\n");
}
if (OPTSTRING_PTR(pp->local_name) != NULL) {
len += fprintf(file, " local name for authentication: %s\n", OPTSTRING(pp->local_name));
}
if (OPTSTRING_PTR(pp->remote_name) != NULL) {
len += fprintf(file, " remote name for authentication: %s\n", OPTSTRING(pp->remote_name));
}
len += fprintf(file, " max connect time: %d, max failure count: %d, idle timeout: %d\n",
pp->max_connect_time, pp->max_failure_count, pp->idle_timeout);
if (pp->asyncmap != 0) {
len += fprintf(file, " asyncmap: %#x\n", pp->asyncmap);
}
len += fprintf(file, " multilink: %s, proxy arp: %s\n",
pp->multilink ? "YES" : "NO", pp->proxy_arp ? "YES" : "NO");
len += fprintf(file, " IP parameters:-\n");
ip_to_string(&local_ip[0], pp->local_ip_addr.s_addr);
ip_to_string(&peer_ip[0], pp->peer_ip_addr.s_addr);
ip_to_string(&dns1[0], pp->dns_addr_1.s_addr);
ip_to_string(&dns2[0], pp->dns_addr_2.s_addr);
ip_to_string(&wins1[0], pp->wins_addr_1.s_addr);
ip_to_string(&wins2[0], pp->wins_addr_2.s_addr);
len += fprintf(file, " local address: %s, peer address: %s%s\n"
" dns addresses: %s / %s\n"
" wins addresses: %s / %s\n",
local_ip, peer_ip,
pp->use_as_default_route ? " [default route]" : "",
dns1, dns2, wins1, wins2);
if (OPTSTRING_PTR(pp->ip_pool_name) != NULL) {
len += fprintf(file, " ip pool name: %s\n", OPTSTRING(pp->ip_pool_name));
}
len += fprintf(file, " use radius: %s\n", pp->use_radius ? "YES" : "NO");
if (pp->use_radius && OPTSTRING_PTR(pp->radius_hint) != NULL) {
len += fprintf(file, " radius hint: %s\n", OPTSTRING(pp->radius_hint));
}
len += fprintf(file, " PAP parameters:-\n");
len += fprintf(file, " max auth requests: %d, restart interval: %d, timeout: %d\n",
pp->pap_max_auth_requests, pp->pap_restart_interval, pp->pap_timeout);
len += fprintf(file, " CHAP parameters:-\n");
len += fprintf(file, " interval: %d, max challenge: %d, restart: %d\n",
pp->chap_interval, pp->chap_max_challenge, pp->chap_restart);
len += fprintf(file, " LCP parameters:-\n");
len += fprintf(file, " echo failure count: %d, echo interval: %d\n"
" max config requests: %d, max config naks: %d\n"
" max terminate requests: %d, retransmit interval: %d\n",
pp->lcp_echo_failure_count, pp->lcp_echo_interval,
pp->lcp_max_config_requests, pp->lcp_max_config_naks,
pp->lcp_max_terminate_requests, pp->lcp_retransmit_interval);
len += fprintf(file, " IPCP parameters:-\n");
len += fprintf(file, " max config requests: %d, max config naks: %d\n"
" max terminate requests: %d, retransmit interval: %d\n",
pp->ipcp_max_config_requests, pp->ipcp_max_config_naks,
pp->ipcp_max_terminate_requests, pp->ipcp_retransmit_interval);
len += fprintf(file, "\n");
return len;
}
int l2tp_show_peer_profile(FILE *file, struct l2tp_api_peer_profile_msg_data *pp)
{
char port[16];
struct in_addr ip_addr;
int len = 0;
ip_addr.s_addr = pp->peer_addr.s_addr;
sprintf(&port[0], "%d", pp->peer_port);
len += fprintf(file, "Peer profile %s:-\n"
" address: %s, port %s\n",
pp->profile_name,
ip_addr.s_addr == INADDR_ANY ? "ANY" : inet_ntoa(ip_addr),
pp->peer_port == 0 ? "default" : port);
if (pp->netmask.s_addr != INADDR_BROADCAST) {
ip_addr.s_addr = pp->netmask.s_addr;
len += fprintf(file, " netmask: %s\n", inet_ntoa(ip_addr));
}