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- Committer: teddy at bsnet
- Date: 2011-11-13 13:55:45 UTC
- mto: (505.2.5 mandos-client-network-hooks)
- mto: This revision was merged to the branch mainline in revision 525.
- Revision ID: teddy@fukt.bsnet.se-20111113135545-hyb59g1q2icwdcte
* plugins.d/mandos-client.c: Some white space fixes.
(runnable_hook): Simplify name rule. More debug messages.
(runnable_hook): Simplify name rule. More debug messages.
added
removed
plugins.d/mandos-client.c
53
53
sockaddr_in6, PF_INET6,
54
54
SOCK_STREAM, uid_t, gid_t, open(),
55
55
opendir(), DIR */
56
#include <sys/stat.h> /* open() */
56
#include <sys/stat.h> /* open(), S_ISREG */
57
57
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
58
58
inet_pton(), connect() */
59
59
#include <fcntl.h> /* open() */
85
85
raise() */
86
86
#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_UNAVAILABLE,
87
87
EX_NOHOST, EX_IOERR, EX_PROTOCOL */
88
#include <sys/wait.h> /* waitpid(), WIFEXITED(),
89
WEXITSTATUS(), WTERMSIG() */
88
90
89
91
#ifdef __linux__
90
92
#include <sys/klog.h> /* klogctl() */
108
110
init_gnutls_session(),
109
111
GNUTLS_* */
110
112
#include <gnutls/openpgp.h>
111
/* gnutls_certificate_set_openpgp_key_file(),
112
GNUTLS_OPENPGP_FMT_BASE64 */
113
/* gnutls_certificate_set_openpgp_key_file(),
114
GNUTLS_OPENPGP_FMT_BASE64 */
113
115
114
116
/* GPGME */
115
117
#include <gpgme.h> /* All GPGME types, constants and
123
125
#define PATHDIR "/conf/conf.d/mandos"
124
126
#define SECKEY "seckey.txt"
125
127
#define PUBKEY "pubkey.txt"
128
#define HOOKDIR "/lib/mandos/network-hooks.d"
126
129
127
130
bool debug = false;
128
131
static const char mandos_protocol_version[] = "1";
130
133
const char *argp_program_bug_address = "<mandos@recompile.se>";
131
134
static const char sys_class_net[] = "/sys/class/net";
132
135
char *connect_to = NULL;
136
const char *hookdir = HOOKDIR;
133
137
134
138
/* Doubly linked list that need to be circularly linked when used */
135
139
typedef struct server{
176
180
* "buffer_length" is how much is already used.
177
181
*/
178
182
size_t incbuffer(char **buffer, size_t buffer_length,
179
size_t buffer_capacity){
183
size_t buffer_capacity){
180
184
if(buffer_length + BUFFER_SIZE > buffer_capacity){
181
185
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
182
186
if(buffer == NULL){
188
192
}
189
193
190
194
/* Add server to set of servers to retry periodically */
191
int add_server(const char *ip, uint16_t port,
192
AvahiIfIndex if_index,
193
int af){
195
int add_server(const char *ip, uint16_t port, AvahiIfIndex if_index,
196
int af){
194
197
int ret;
195
198
server *new_server = malloc(sizeof(server));
196
199
if(new_server == NULL){
198
201
return -1;
199
202
}
200
203
*new_server = (server){ .ip = strdup(ip),
201
.port = port,
202
.if_index = if_index,
203
.af = af };
204
.port = port,
205
.if_index = if_index,
206
.af = af };
204
207
if(new_server->ip == NULL){
205
208
perror_plus("strdup");
206
209
return -1;
228
231
/*
229
232
* Initialize GPGME.
230
233
*/
231
static bool init_gpgme(const char *seckey,
232
const char *pubkey, const char *tempdir){
234
static bool init_gpgme(const char *seckey, const char *pubkey,
235
const char *tempdir){
233
236
gpgme_error_t rc;
234
237
gpgme_engine_info_t engine_info;
235
238
250
253
251
254
rc = gpgme_data_new_from_fd(&pgp_data, fd);
252
255
if(rc != GPG_ERR_NO_ERROR){
253
fprintf(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
256
fprintf(stderr, "Mandos plugin mandos-client: "
257
"bad gpgme_data_new_from_fd: %s: %s\n",
254
258
gpgme_strsource(rc), gpgme_strerror(rc));
255
259
return false;
256
260
}
257
261
258
262
rc = gpgme_op_import(mc.ctx, pgp_data);
259
263
if(rc != GPG_ERR_NO_ERROR){
260
fprintf(stderr, "bad gpgme_op_import: %s: %s\n",
264
fprintf(stderr, "Mandos plugin mandos-client: "
265
"bad gpgme_op_import: %s: %s\n",
261
266
gpgme_strsource(rc), gpgme_strerror(rc));
262
267
return false;
263
268
}
271
276
}
272
277
273
278
if(debug){
274
fprintf(stderr, "Initializing GPGME\n");
279
fprintf(stderr, "Mandos plugin mandos-client: "
280
"Initializing GPGME\n");
275
281
}
276
282
277
283
/* Init GPGME */
278
284
gpgme_check_version(NULL);
279
285
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
280
286
if(rc != GPG_ERR_NO_ERROR){
281
fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
287
fprintf(stderr, "Mandos plugin mandos-client: "
288
"bad gpgme_engine_check_version: %s: %s\n",
282
289
gpgme_strsource(rc), gpgme_strerror(rc));
283
290
return false;
284
291
}
286
293
/* Set GPGME home directory for the OpenPGP engine only */
287
294
rc = gpgme_get_engine_info(&engine_info);
288
295
if(rc != GPG_ERR_NO_ERROR){
289
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
296
fprintf(stderr, "Mandos plugin mandos-client: "
297
"bad gpgme_get_engine_info: %s: %s\n",
290
298
gpgme_strsource(rc), gpgme_strerror(rc));
291
299
return false;
292
300
}
299
307
engine_info = engine_info->next;
300
308
}
301
309
if(engine_info == NULL){
302
fprintf(stderr, "Could not set GPGME home dir to %s\n", tempdir);
310
fprintf(stderr, "Mandos plugin mandos-client: "
311
"Could not set GPGME home dir to %s\n", tempdir);
303
312
return false;
304
313
}
305
314
306
315
/* Create new GPGME "context" */
307
316
rc = gpgme_new(&(mc.ctx));
308
317
if(rc != GPG_ERR_NO_ERROR){
309
fprintf(stderr, "bad gpgme_new: %s: %s\n",
310
gpgme_strsource(rc), gpgme_strerror(rc));
318
fprintf(stderr, "Mandos plugin mandos-client: "
319
"bad gpgme_new: %s: %s\n", gpgme_strsource(rc),
320
gpgme_strerror(rc));
311
321
return false;
312
322
}
313
323
332
342
ssize_t plaintext_length = 0;
333
343
334
344
if(debug){
335
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
345
fprintf(stderr, "Mandos plugin mandos-client: "
346
"Trying to decrypt OpenPGP data\n");
336
347
}
337
348
338
349
/* Create new GPGME data buffer from memory cryptotext */
339
350
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
340
351
0);
341
352
if(rc != GPG_ERR_NO_ERROR){
342
fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
353
fprintf(stderr, "Mandos plugin mandos-client: "
354
"bad gpgme_data_new_from_mem: %s: %s\n",
343
355
gpgme_strsource(rc), gpgme_strerror(rc));
344
356
return -1;
345
357
}
347
359
/* Create new empty GPGME data buffer for the plaintext */
348
360
rc = gpgme_data_new(&dh_plain);
349
361
if(rc != GPG_ERR_NO_ERROR){
350
fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
362
fprintf(stderr, "Mandos plugin mandos-client: "
363
"bad gpgme_data_new: %s: %s\n",
351
364
gpgme_strsource(rc), gpgme_strerror(rc));
352
365
gpgme_data_release(dh_crypto);
353
366
return -1;
357
370
data buffer */
358
371
rc = gpgme_op_decrypt(mc.ctx, dh_crypto, dh_plain);
359
372
if(rc != GPG_ERR_NO_ERROR){
360
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
373
fprintf(stderr, "Mandos plugin mandos-client: "
374
"bad gpgme_op_decrypt: %s: %s\n",
361
375
gpgme_strsource(rc), gpgme_strerror(rc));
362
376
plaintext_length = -1;
363
377
if(debug){
364
378
gpgme_decrypt_result_t result;
365
379
result = gpgme_op_decrypt_result(mc.ctx);
366
380
if(result == NULL){
367
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
381
fprintf(stderr, "Mandos plugin mandos-client: "
382
"gpgme_op_decrypt_result failed\n");
368
383
} else {
369
fprintf(stderr, "Unsupported algorithm: %s\n",
384
fprintf(stderr, "Mandos plugin mandos-client: "
385
"Unsupported algorithm: %s\n",
370
386
result->unsupported_algorithm);
371
fprintf(stderr, "Wrong key usage: %u\n",
387
fprintf(stderr, "Mandos plugin mandos-client: "
388
"Wrong key usage: %u\n",
372
389
result->wrong_key_usage);
373
390
if(result->file_name != NULL){
374
fprintf(stderr, "File name: %s\n", result->file_name);
391
fprintf(stderr, "Mandos plugin mandos-client: "
392
"File name: %s\n", result->file_name);
375
393
}
376
394
gpgme_recipient_t recipient;
377
395
recipient = result->recipients;
378
396
while(recipient != NULL){
379
fprintf(stderr, "Public key algorithm: %s\n",
397
fprintf(stderr, "Mandos plugin mandos-client: "
398
"Public key algorithm: %s\n",
380
399
gpgme_pubkey_algo_name(recipient->pubkey_algo));
381
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
382
fprintf(stderr, "Secret key available: %s\n",
400
fprintf(stderr, "Mandos plugin mandos-client: "
401
"Key ID: %s\n", recipient->keyid);
402
fprintf(stderr, "Mandos plugin mandos-client: "
403
"Secret key available: %s\n",
383
404
recipient->status == GPG_ERR_NO_SECKEY
384
405
? "No" : "Yes");
385
406
recipient = recipient->next;
390
411
}
391
412
392
413
if(debug){
393
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
414
fprintf(stderr, "Mandos plugin mandos-client: "
415
"Decryption of OpenPGP data succeeded\n");
394
416
}
395
417
396
418
/* Seek back to the beginning of the GPGME plaintext data buffer */
403
425
*plaintext = NULL;
404
426
while(true){
405
427
plaintext_capacity = incbuffer(plaintext,
406
(size_t)plaintext_length,
407
plaintext_capacity);
428
(size_t)plaintext_length,
429
plaintext_capacity);
408
430
if(plaintext_capacity == 0){
409
perror_plus("incbuffer");
410
plaintext_length = -1;
411
goto decrypt_end;
431
perror_plus("incbuffer");
432
plaintext_length = -1;
433
goto decrypt_end;
412
434
}
413
435
414
436
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
427
449
}
428
450
429
451
if(debug){
430
fprintf(stderr, "Decrypted password is: ");
452
fprintf(stderr, "Mandos plugin mandos-client: "
453
"Decrypted password is: ");
431
454
for(ssize_t i = 0; i < plaintext_length; i++){
432
455
fprintf(stderr, "%02hhX ", (*plaintext)[i]);
433
456
}
455
478
/* GnuTLS log function callback */
456
479
static void debuggnutls(__attribute__((unused)) int level,
457
480
const char* string){
458
fprintf(stderr, "GnuTLS: %s", string);
481
fprintf(stderr, "Mandos plugin mandos-client: GnuTLS: %s", string);
459
482
}
460
483
461
484
static int init_gnutls_global(const char *pubkeyfilename,
463
486
int ret;
464
487
465
488
if(debug){
466
fprintf(stderr, "Initializing GnuTLS\n");
489
fprintf(stderr, "Mandos plugin mandos-client: "
490
"Initializing GnuTLS\n");
467
491
}
468
492
469
493
ret = gnutls_global_init();
470
494
if(ret != GNUTLS_E_SUCCESS){
471
fprintf(stderr, "GnuTLS global_init: %s\n",
472
safer_gnutls_strerror(ret));
495
fprintf(stderr, "Mandos plugin mandos-client: "
496
"GnuTLS global_init: %s\n", safer_gnutls_strerror(ret));
473
497
return -1;
474
498
}
475
499
484
508
/* OpenPGP credentials */
485
509
ret = gnutls_certificate_allocate_credentials(&mc.cred);
486
510
if(ret != GNUTLS_E_SUCCESS){
487
fprintf(stderr, "GnuTLS memory error: %s\n",
488
safer_gnutls_strerror(ret));
511
fprintf(stderr, "Mandos plugin mandos-client: "
512
"GnuTLS memory error: %s\n", safer_gnutls_strerror(ret));
489
513
gnutls_global_deinit();
490
514
return -1;
491
515
}
492
516
493
517
if(debug){
494
fprintf(stderr, "Attempting to use OpenPGP public key %s and"
518
fprintf(stderr, "Mandos plugin mandos-client: "
519
"Attempting to use OpenPGP public key %s and"
495
520
" secret key %s as GnuTLS credentials\n", pubkeyfilename,
496
521
seckeyfilename);
497
522
}
501
526
GNUTLS_OPENPGP_FMT_BASE64);
502
527
if(ret != GNUTLS_E_SUCCESS){
503
528
fprintf(stderr,
529
"Mandos plugin mandos-client: "
504
530
"Error[%d] while reading the OpenPGP key pair ('%s',"
505
531
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
506
fprintf(stderr, "The GnuTLS error is: %s\n",
507
safer_gnutls_strerror(ret));
532
fprintf(stderr, "Mandos plugin mandos-client: "
533
"The GnuTLS error is: %s\n", safer_gnutls_strerror(ret));
508
534
goto globalfail;
509
535
}
510
536
511
537
/* GnuTLS server initialization */
512
538
ret = gnutls_dh_params_init(&mc.dh_params);
513
539
if(ret != GNUTLS_E_SUCCESS){
514
fprintf(stderr, "Error in GnuTLS DH parameter initialization:"
540
fprintf(stderr, "Mandos plugin mandos-client: "
541
"Error in GnuTLS DH parameter initialization:"
515
542
" %s\n", safer_gnutls_strerror(ret));
516
543
goto globalfail;
517
544
}
518
545
ret = gnutls_dh_params_generate2(mc.dh_params, mc.dh_bits);
519
546
if(ret != GNUTLS_E_SUCCESS){
520
fprintf(stderr, "Error in GnuTLS prime generation: %s\n",
547
fprintf(stderr, "Mandos plugin mandos-client: "
548
"Error in GnuTLS prime generation: %s\n",
521
549
safer_gnutls_strerror(ret));
522
550
goto globalfail;
523
551
}
544
572
}
545
573
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
546
574
if(ret != GNUTLS_E_SUCCESS){
547
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
575
fprintf(stderr, "Mandos plugin mandos-client: "
576
"Error in GnuTLS session initialization: %s\n",
548
577
safer_gnutls_strerror(ret));
549
578
}
550
579
558
587
}
559
588
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
560
589
if(ret != GNUTLS_E_SUCCESS){
561
fprintf(stderr, "Syntax error at: %s\n", err);
562
fprintf(stderr, "GnuTLS error: %s\n",
563
safer_gnutls_strerror(ret));
590
fprintf(stderr, "Mandos plugin mandos-client: "
591
"Syntax error at: %s\n", err);
592
fprintf(stderr, "Mandos plugin mandos-client: "
593
"GnuTLS error: %s\n", safer_gnutls_strerror(ret));
564
594
gnutls_deinit(*session);
565
595
return -1;
566
596
}
575
605
}
576
606
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
577
607
if(ret != GNUTLS_E_SUCCESS){
578
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
608
fprintf(stderr, "Mandos plugin mandos-client: "
609
"Error setting GnuTLS credentials: %s\n",
579
610
safer_gnutls_strerror(ret));
580
611
gnutls_deinit(*session);
581
612
return -1;
627
658
pf = PF_INET;
628
659
break;
629
660
default:
630
fprintf(stderr, "Bad address family: %d\n", af);
661
fprintf(stderr, "Mandos plugin mandos-client: "
662
"Bad address family: %d\n", af);
631
663
errno = EINVAL;
632
664
return -1;
633
665
}
638
670
}
639
671
640
672
if(debug){
641
fprintf(stderr, "Setting up a TCP connection to %s, port %" PRIu16
673
fprintf(stderr, "Mandos plugin mandos-client: "
674
"Setting up a TCP connection to %s, port %" PRIu16
642
675
"\n", ip, port);
643
676
}
644
677
671
704
}
672
705
if(ret == 0){
673
706
int e = errno;
674
fprintf(stderr, "Bad address: %s\n", ip);
707
fprintf(stderr, "Mandos plugin mandos-client: "
708
"Bad address: %s\n", ip);
675
709
errno = e;
676
710
goto mandos_end;
677
711
}
682
716
683
717
if(IN6_IS_ADDR_LINKLOCAL /* Spurious warnings from */
684
718
(&to.in6.sin6_addr)){ /* -Wstrict-aliasing=2 or lower and
685
-Wunreachable-code*/
719
-Wunreachable-code*/
686
720
if(if_index == AVAHI_IF_UNSPEC){
687
fprintf(stderr, "An IPv6 link-local address is incomplete"
721
fprintf(stderr, "Mandos plugin mandos-client: "
722
"An IPv6 link-local address is incomplete"
688
723
" without a network interface\n");
689
724
errno = EINVAL;
690
725
goto mandos_end;
709
744
if(if_indextoname((unsigned int)if_index, interface) == NULL){
710
745
perror_plus("if_indextoname");
711
746
} else {
712
fprintf(stderr, "Connection to: %s%%%s, port %" PRIu16 "\n",
747
fprintf(stderr, "Mandos plugin mandos-client: "
748
"Connection to: %s%%%s, port %" PRIu16 "\n",
713
749
ip, interface, port);
714
750
}
715
751
} else {
716
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
717
port);
752
fprintf(stderr, "Mandos plugin mandos-client: "
753
"Connection to: %s, port %" PRIu16 "\n", ip, port);
718
754
}
719
755
char addrstr[(INET_ADDRSTRLEN > INET6_ADDRSTRLEN) ?
720
756
INET_ADDRSTRLEN : INET6_ADDRSTRLEN] = "";
730
766
perror_plus("inet_ntop");
731
767
} else {
732
768
if(strcmp(addrstr, ip) != 0){
733
fprintf(stderr, "Canonical address form: %s\n", addrstr);
769
fprintf(stderr, "Mandos plugin mandos-client: "
770
"Canonical address form: %s\n", addrstr);
734
771
}
735
772
}
736
773
}
764
801
while(true){
765
802
size_t out_size = strlen(out);
766
803
ret = (int)TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
767
out_size - written));
804
out_size - written));
768
805
if(ret == -1){
769
806
int e = errno;
770
807
perror_plus("write");
790
827
}
791
828
792
829
if(debug){
793
fprintf(stderr, "Establishing TLS session with %s\n", ip);
830
fprintf(stderr, "Mandos plugin mandos-client: "
831
"Establishing TLS session with %s\n", ip);
794
832
}
795
833
796
834
if(quit_now){
816
854
817
855
if(ret != GNUTLS_E_SUCCESS){
818
856
if(debug){
819
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
857
fprintf(stderr, "Mandos plugin mandos-client: "
858
"*** GnuTLS Handshake failed ***\n");
820
859
gnutls_perror(ret);
821
860
}
822
861
errno = EPROTO;
826
865
/* Read OpenPGP packet that contains the wanted password */
827
866
828
867
if(debug){
829
fprintf(stderr, "Retrieving OpenPGP encrypted password from %s\n",
830
ip);
868
fprintf(stderr, "Mandos plugin mandos-client: "
869
"Retrieving OpenPGP encrypted password from %s\n", ip);
831
870
}
832
871
833
872
while(true){
838
877
}
839
878
840
879
buffer_capacity = incbuffer(&buffer, buffer_length,
841
buffer_capacity);
880
buffer_capacity);
842
881
if(buffer_capacity == 0){
843
882
int e = errno;
844
883
perror_plus("incbuffer");
871
910
}
872
911
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
873
912
if(ret < 0){
874
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
913
fprintf(stderr, "Mandos plugin mandos-client: "
914
"*** GnuTLS Re-handshake failed ***\n");
875
915
gnutls_perror(ret);
876
916
errno = EPROTO;
877
917
goto mandos_end;
878
918
}
879
919
break;
880
920
default:
881
fprintf(stderr, "Unknown error while reading data from"
921
fprintf(stderr, "Mandos plugin mandos-client: "
922
"Unknown error while reading data from"
882
923
" encrypted session with Mandos server\n");
883
924
gnutls_bye(session, GNUTLS_SHUT_RDWR);
884
925
errno = EIO;
890
931
}
891
932
892
933
if(debug){
893
fprintf(stderr, "Closing TLS session\n");
934
fprintf(stderr, "Mandos plugin mandos-client: "
935
"Closing TLS session\n");
894
936
}
895
937
896
938
if(quit_now){
908
950
909
951
if(buffer_length > 0){
910
952
ssize_t decrypted_buffer_size;
911
decrypted_buffer_size = pgp_packet_decrypt(buffer,
912
buffer_length,
953
decrypted_buffer_size = pgp_packet_decrypt(buffer, buffer_length,
913
954
&decrypted_buffer);
914
955
if(decrypted_buffer_size >= 0){
915
956
926
967
if(ret == 0 and ferror(stdout)){
927
968
int e = errno;
928
969
if(debug){
929
fprintf(stderr, "Error writing encrypted data: %s\n",
970
fprintf(stderr, "Mandos plugin mandos-client: "
971
"Error writing encrypted data: %s\n",
930
972
strerror(errno));
931
973
}
932
974
errno = e;
990
1032
switch(event){
991
1033
default:
992
1034
case AVAHI_RESOLVER_FAILURE:
993
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
1035
fprintf(stderr, "Mandos plugin mandos-client: "
1036
"(Avahi Resolver) Failed to resolve service '%s'"
994
1037
" of type '%s' in domain '%s': %s\n", name, type, domain,
995
1038
avahi_strerror(avahi_server_errno(mc.server)));
996
1039
break;
1000
1043
char ip[AVAHI_ADDRESS_STR_MAX];
1001
1044
avahi_address_snprint(ip, sizeof(ip), address);
1002
1045
if(debug){
1003
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
1046
fprintf(stderr, "Mandos plugin mandos-client: "
1047
"Mandos server \"%s\" found on %s (%s, %"
1004
1048
PRIdMAX ") on port %" PRIu16 "\n", name, host_name,
1005
1049
ip, (intmax_t)interface, port);
1006
1050
}
1040
1084
default:
1041
1085
case AVAHI_BROWSER_FAILURE:
1042
1086
1043
fprintf(stderr, "(Avahi browser) %s\n",
1087
fprintf(stderr, "Mandos plugin mandos-client: "
1088
"(Avahi browser) %s\n",
1044
1089
avahi_strerror(avahi_server_errno(mc.server)));
1045
1090
avahi_simple_poll_quit(mc.simple_poll);
1046
1091
return;
1054
1099
if(avahi_s_service_resolver_new(mc.server, interface, protocol,
1055
1100
name, type, domain, protocol, 0,
1056
1101
resolve_callback, NULL) == NULL)
1057
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
1102
fprintf(stderr, "Mandos plugin mandos-client: "
1103
"Avahi: Failed to resolve service '%s': %s\n",
1058
1104
name, avahi_strerror(avahi_server_errno(mc.server)));
1059
1105
break;
1060
1106
1064
1110
case AVAHI_BROWSER_ALL_FOR_NOW:
1065
1111
case AVAHI_BROWSER_CACHE_EXHAUSTED:
1066
1112
if(debug){
1067
fprintf(stderr, "No Mandos server found, still searching...\n");
1113
fprintf(stderr, "Mandos plugin mandos-client: "
1114
"No Mandos server found, still searching...\n");
1068
1115
}
1069
1116
break;
1070
1117
}
1085
1132
errno = old_errno;
1086
1133
}
1087
1134
1088
/*
1089
* This function determines if a directory entry in /sys/class/net
1090
* corresponds to an acceptable network device.
1091
* (This function is passed to scandir(3) as a filter function.)
1092
*/
1093
int good_interface(const struct dirent *if_entry){
1094
ssize_t ssret;
1095
char *flagname = NULL;
1096
if(if_entry->d_name[0] == '.'){
1097
return 0;
1098
}
1099
int ret = asprintf(&flagname, "%s/%s/flags", sys_class_net,
1100
if_entry->d_name);
1101
if(ret < 0){
1102
perror_plus("asprintf");
1103
return 0;
1104
}
1105
int flags_fd = (int)TEMP_FAILURE_RETRY(open(flagname, O_RDONLY));
1106
if(flags_fd == -1){
1107
perror_plus("open");
1108
free(flagname);
1109
return 0;
1110
}
1111
free(flagname);
1112
typedef short ifreq_flags; /* ifreq.ifr_flags in netdevice(7) */
1113
/* read line from flags_fd */
1114
ssize_t to_read = 2+(sizeof(ifreq_flags)*2)+1; /* "0x1003\n" */
1115
char *flagstring = malloc((size_t)to_read+1); /* +1 for final \0 */
1116
flagstring[(size_t)to_read] = '\0';
1117
if(flagstring == NULL){
1118
perror_plus("malloc");
1119
close(flags_fd);
1120
return 0;
1121
}
1122
while(to_read > 0){
1123
ssret = (ssize_t)TEMP_FAILURE_RETRY(read(flags_fd, flagstring,
1124
(size_t)to_read));
1125
if(ssret == -1){
1126
perror_plus("read");
1127
free(flagstring);
1128
close(flags_fd);
1129
return 0;
1130
}
1131
to_read -= ssret;
1132
if(ssret == 0){
1133
break;
1134
}
1135
}
1136
close(flags_fd);
1137
intmax_t tmpmax;
1138
char *tmp;
1139
errno = 0;
1140
tmpmax = strtoimax(flagstring, &tmp, 0);
1141
if(errno != 0 or tmp == flagstring or (*tmp != '\0'
1142
and not (isspace(*tmp)))
1143
or tmpmax != (ifreq_flags)tmpmax){
1135
bool get_flags(const char *ifname, struct ifreq *ifr){
1136
int ret;
1137
1138
int s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1139
if(s < 0){
1140
perror_plus("socket");
1141
return false;
1142
}
1143
strcpy(ifr->ifr_name, ifname);
1144
ret = ioctl(s, SIOCGIFFLAGS, ifr);
1145
if(ret == -1){
1144
1146
if(debug){
1145
fprintf(stderr, "Invalid flags \"%s\" for interface \"%s\"\n",
1146
flagstring, if_entry->d_name);
1147
perror_plus("ioctl SIOCGIFFLAGS");
1147
1148
}
1148
free(flagstring);
1149
return 0;
1149
return false;
1150
1150
}
1151
free(flagstring);
1152
ifreq_flags flags = (ifreq_flags)tmpmax;
1151
return true;
1152
}
1153
1154
bool good_flags(const char *ifname, const struct ifreq *ifr){
1155
1153
1156
/* Reject the loopback device */
1154
if(flags & IFF_LOOPBACK){
1157
if(ifr->ifr_flags & IFF_LOOPBACK){
1155
1158
if(debug){
1156
fprintf(stderr, "Rejecting loopback interface \"%s\"\n",
1157
if_entry->d_name);
1159
fprintf(stderr, "Mandos plugin mandos-client: "
1160
"Rejecting loopback interface \"%s\"\n", ifname);
1158
1161
}
1159
return 0;
1162
return false;
1160
1163
}
1161
1164
/* Accept point-to-point devices only if connect_to is specified */
1162
if(connect_to != NULL and (flags & IFF_POINTOPOINT)){
1165
if(connect_to != NULL and (ifr->ifr_flags & IFF_POINTOPOINT)){
1163
1166
if(debug){
1164
fprintf(stderr, "Accepting point-to-point interface \"%s\"\n",
1165
if_entry->d_name);
1167
fprintf(stderr, "Mandos plugin mandos-client: "
1168
"Accepting point-to-point interface \"%s\"\n", ifname);
1166
1169
}
1167
return 1;
1170
return true;
1168
1171
}
1169
1172
/* Otherwise, reject non-broadcast-capable devices */
1170
if(not (flags & IFF_BROADCAST)){
1173
if(not (ifr->ifr_flags & IFF_BROADCAST)){
1171
1174
if(debug){
1172
fprintf(stderr, "Rejecting non-broadcast interface \"%s\"\n",
1173
if_entry->d_name);
1175
fprintf(stderr, "Mandos plugin mandos-client: "
1176
"Rejecting non-broadcast interface \"%s\"\n", ifname);
1174
1177
}
1175
return 0;
1178
return false;
1176
1179
}
1177
1180
/* Reject non-ARP interfaces (including dummy interfaces) */
1178
if(flags & IFF_NOARP){
1181
if(ifr->ifr_flags & IFF_NOARP){
1179
1182
if(debug){
1180
fprintf(stderr, "Rejecting non-ARP interface \"%s\"\n",
1181
if_entry->d_name);
1183
fprintf(stderr, "Mandos plugin mandos-client: "
1184
"Rejecting non-ARP interface \"%s\"\n", ifname);
1182
1185
}
1183
return 0;
1186
return false;
1184
1187
}
1188
1185
1189
/* Accept this device */
1186
1190
if(debug){
1187
fprintf(stderr, "Interface \"%s\" is acceptable\n",
1188
if_entry->d_name);
1191
fprintf(stderr, "Mandos plugin mandos-client: "
1192
"Interface \"%s\" is good\n", ifname);
1193
}
1194
return true;
1195
}
1196
1197
/*
1198
* This function determines if a directory entry in /sys/class/net
1199
* corresponds to an acceptable network device.
1200
* (This function is passed to scandir(3) as a filter function.)
1201
*/
1202
int good_interface(const struct dirent *if_entry){
1203
if(if_entry->d_name[0] == '.'){
1204
return 0;
1205
}
1206
1207
struct ifreq ifr;
1208
if(not get_flags(if_entry->d_name, &ifr)){
1209
if(debug){
1210
fprintf(stderr, "Mandos plugin mandos-client: "
1211
"Failed to get flags for interface \"%s\"\n",
1212
if_entry->d_name);
1213
}
1214
return 0;
1215
}
1216
1217
if(not good_flags(if_entry->d_name, &ifr)){
1218
return 0;
1219
}
1220
return 1;
1221
}
1222
1223
/*
1224
* This function determines if a directory entry in /sys/class/net
1225
* corresponds to an acceptable network device which is up.
1226
* (This function is passed to scandir(3) as a filter function.)
1227
*/
1228
int up_interface(const struct dirent *if_entry){
1229
if(if_entry->d_name[0] == '.'){
1230
return 0;
1231
}
1232
1233
struct ifreq ifr;
1234
if(not get_flags(if_entry->d_name, &ifr)){
1235
if(debug){
1236
fprintf(stderr, "Mandos plugin mandos-client: "
1237
"Failed to get flags for interface \"%s\"\n",
1238
if_entry->d_name);
1239
}
1240
return 0;
1241
}
1242
1243
/* Reject down interfaces */
1244
if(not (ifr.ifr_flags & IFF_UP)){
1245
if(debug){
1246
fprintf(stderr, "Mandos plugin mandos-client: "
1247
"Rejecting down interface \"%s\"\n",
1248
if_entry->d_name);
1249
}
1250
return 0;
1251
}
1252
1253
/* Reject non-running interfaces */
1254
if(not (ifr.ifr_flags & IFF_RUNNING)){
1255
if(debug){
1256
fprintf(stderr, "Mandos plugin mandos-client: "
1257
"Rejecting non-running interface \"%s\"\n",
1258
if_entry->d_name);
1259
}
1260
return 0;
1261
}
1262
1263
if(not good_flags(if_entry->d_name, &ifr)){
1264
return 0;
1189
1265
}
1190
1266
return 1;
1191
1267
}
1201
1277
return 1;
1202
1278
}
1203
1279
1280
/* Is this directory entry a runnable program? */
1281
int runnable_hook(const struct dirent *direntry){
1282
int ret;
1283
size_t sret;
1284
struct stat st;
1285
1286
if((direntry->d_name)[0] == '\0'){
1287
/* Empty name? */
1288
return 0;
1289
}
1290
1291
sret = strspn(direntry->d_name, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1292
"abcdefghijklmnopqrstuvwxyz"
1293
"0123456789"
1294
"_-");
1295
if((direntry->d_name)[sret] != '\0'){
1296
/* Contains non-allowed characters */
1297
if(debug){
1298
fprintf(stderr, "Mandos plugin mandos-client: "
1299
"Ignoring hook \"%s\" with bad name\n",
1300
direntry->d_name);
1301
}
1302
return 0;
1303
}
1304
1305
char *fullname = NULL;
1306
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1307
if(ret < 0){
1308
perror_plus("asprintf");
1309
return 0;
1310
}
1311
1312
ret = stat(fullname, &st);
1313
if(ret == -1){
1314
if(debug){
1315
perror_plus("Could not stat hook");
1316
}
1317
return 0;
1318
}
1319
if(not (S_ISREG(st.st_mode))){
1320
/* Not a regular file */
1321
if(debug){
1322
fprintf(stderr, "Mandos plugin mandos-client: "
1323
"Ignoring hook \"%s\" - not a file\n",
1324
direntry->d_name);
1325
}
1326
return 0;
1327
}
1328
if(not (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))){
1329
/* Not executable */
1330
if(debug){
1331
fprintf(stderr, "Mandos plugin mandos-client: "
1332
"Ignoring hook \"%s\" - not executable\n",
1333
direntry->d_name);
1334
}
1335
return 0;
1336
}
1337
return 1;
1338
}
1339
1204
1340
int avahi_loop_with_timeout(AvahiSimplePoll *s, int retry_interval){
1205
1341
int ret;
1206
1342
struct timespec now;
1210
1346
while(true){
1211
1347
if(mc.current_server == NULL){
1212
1348
if (debug){
1213
fprintf(stderr,
1349
fprintf(stderr, "Mandos plugin mandos-client: "
1214
1350
"Wait until first server is found. No timeout!\n");
1215
1351
}
1216
1352
ret = avahi_simple_poll_iterate(s, -1);
1217
1353
} else {
1218
1354
if (debug){
1219
fprintf(stderr, "Check current_server if we should run it,"
1355
fprintf(stderr, "Mandos plugin mandos-client: "
1356
"Check current_server if we should run it,"
1220
1357
" or wait\n");
1221
1358
}
1222
1359
/* the current time */
1239
1376
- ((intmax_t)waited_time.tv_nsec / 1000000));
1240
1377
1241
1378
if (debug){
1242
fprintf(stderr, "Blocking for %" PRIdMAX " ms\n", block_time);
1379
fprintf(stderr, "Mandos plugin mandos-client: "
1380
"Blocking for %" PRIdMAX " ms\n", block_time);
1243
1381
}
1244
1382
1245
1383
if(block_time <= 0){
1265
1403
ret = avahi_simple_poll_iterate(s, (int)block_time);
1266
1404
}
1267
1405
if(ret != 0){
1268
if (ret > 0 or errno != EINTR) {
1406
if (ret > 0 or errno != EINTR){
1269
1407
return (ret != 1) ? ret : 0;
1270
1408
}
1271
1409
}
1359
1497
.arg = "SECONDS",
1360
1498
.doc = "Retry interval used when denied by the mandos server",
1361
1499
.group = 2 },
1500
{ .name = "network-hook-dir", .key = 133,
1501
.arg = "DIR",
1502
.doc = "Directory where network hooks are located",
1503
.group = 2 },
1362
1504
/*
1363
1505
* These reproduce what we would get without ARGP_NO_HELP
1364
1506
*/
1417
1559
argp_error(state, "Bad retry interval");
1418
1560
}
1419
1561
break;
1562
case 133: /* --network-hook-dir */
1563
hookdir = arg;
1564
break;
1420
1565
/*
1421
1566
* These reproduce what we would get without ARGP_NO_HELP
1422
1567
*/
1428
1573
argp_state_help(state, state->out_stream,
1429
1574
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1430
1575
case 'V': /* --version */
1576
fprintf(state->out_stream, "Mandos plugin mandos-client: ");
1431
1577
fprintf(state->out_stream, "%s\n", argp_program_version);
1432
1578
exit(argp_err_exit_status);
1433
1579
break;
1518
1664
}
1519
1665
}
1520
1666
1667
/* Find network hooks and run them */
1668
{
1669
struct dirent **direntries;
1670
struct dirent *direntry;
1671
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1672
alphasort);
1673
if(numhooks == -1){
1674
perror_plus("scandir");
1675
} else {
1676
int devnull = open("/dev/null", O_RDONLY);
1677
for(int i = 0; i < numhooks; i++){
1678
direntry = direntries[0];
1679
char *fullname = NULL;
1680
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1681
if(ret < 0){
1682
perror_plus("asprintf");
1683
continue;
1684
}
1685
pid_t hook_pid = fork();
1686
if(hook_pid == 0){
1687
/* Child */
1688
dup2(devnull, STDIN_FILENO);
1689
close(devnull);
1690
dup2(STDERR_FILENO, STDOUT_FILENO);
1691
ret = setenv("DEVICE", interface, 1);
1692
if(ret == -1){
1693
perror_plus("setenv");
1694
exit(1);
1695
}
1696
ret = setenv("VERBOSE", debug ? "1" : "0", 1);
1697
if(ret == -1){
1698
perror_plus("setenv");
1699
exit(1);
1700
}
1701
ret = setenv("MODE", "start", 1);
1702
if(ret == -1){
1703
perror_plus("setenv");
1704
exit(1);
1705
}
1706
char *delaystring;
1707
ret = asprintf(&delaystring, "%f", delay);
1708
if(ret == -1){
1709
perror_plus("asprintf");
1710
exit(1);
1711
}
1712
ret = setenv("DELAY", delaystring, 1);
1713
if(ret == -1){
1714
free(delaystring);
1715
perror_plus("setenv");
1716
exit(1);
1717
}
1718
free(delaystring);
1719
ret = execl(fullname, direntry->d_name, "start", NULL);
1720
perror_plus("execl");
1721
} else {
1722
int status;
1723
if(TEMP_FAILURE_RETRY(waitpid(hook_pid, &status, 0)) == -1){
1724
perror_plus("waitpid");
1725
free(fullname);
1726
continue;
1727
}
1728
if(WIFEXITED(status)){
1729
if(WEXITSTATUS(status) != 0){
1730
fprintf(stderr, "Mandos plugin mandos-client: "
1731
"Warning: network hook \"%s\" exited"
1732
" with status %d\n", direntry->d_name,
1733
WEXITSTATUS(status));
1734
free(fullname);
1735
continue;
1736
}
1737
} else if(WIFSIGNALED(status)){
1738
fprintf(stderr, "Mandos plugin mandos-client: "
1739
"Warning: network hook \"%s\" died by"
1740
" signal %d\n", direntry->d_name,
1741
WTERMSIG(status));
1742
free(fullname);
1743
continue;
1744
} else {
1745
fprintf(stderr, "Mandos plugin mandos-client: "
1746
"Warning: network hook \"%s\" crashed\n",
1747
direntry->d_name);
1748
free(fullname);
1749
continue;
1750
}
1751
}
1752
free(fullname);
1753
if(quit_now){
1754
goto end;
1755
}
1756
}
1757
close(devnull);
1758
}
1759
}
1760
1521
1761
if(not debug){
1522
1762
avahi_set_log_function(empty_log);
1523
1763
}
1524
1764
1525
1765
if(interface[0] == '\0'){
1526
1766
struct dirent **direntries;
1527
ret = scandir(sys_class_net, &direntries, good_interface,
1767
/* First look for interfaces that are up */
1768
ret = scandir(sys_class_net, &direntries, up_interface,
1528
1769
alphasort);
1770
if(ret == 0){
1771
/* No up interfaces, look for any good interfaces */
1772
free(direntries);
1773
ret = scandir(sys_class_net, &direntries, good_interface,
1774
alphasort);
1775
}
1529
1776
if(ret >= 1){
1530
/* Pick the first good interface */
1777
/* Pick the first interface returned */
1531
1778
interface = strdup(direntries[0]->d_name);
1532
1779
if(debug){
1533
fprintf(stderr, "Using interface \"%s\"\n", interface);
1780
fprintf(stderr, "Mandos plugin mandos-client: "
1781
"Using interface \"%s\"\n", interface);
1534
1782
}
1535
1783
if(interface == NULL){
1536
1784
perror_plus("malloc");
1541
1789
free(direntries);
1542
1790
} else {
1543
1791
free(direntries);
1544
fprintf(stderr, "Could not find a network interface\n");
1792
fprintf(stderr, "Mandos plugin mandos-client: "
1793
"Could not find a network interface\n");
1545
1794
exitcode = EXIT_FAILURE;
1546
1795
goto end;
1547
1796
}
1553
1802
srand((unsigned int) time(NULL));
1554
1803
mc.simple_poll = avahi_simple_poll_new();
1555
1804
if(mc.simple_poll == NULL){
1556
fprintf(stderr, "Avahi: Failed to create simple poll object.\n");
1805
fprintf(stderr, "Mandos plugin mandos-client: "
1806
"Avahi: Failed to create simple poll object.\n");
1557
1807
exitcode = EX_UNAVAILABLE;
1558
1808
goto end;
1559
1809
}
1625
1875
if(strcmp(interface, "none") != 0){
1626
1876
if_index = (AvahiIfIndex) if_nametoindex(interface);
1627
1877
if(if_index == 0){
1628
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1878
fprintf(stderr, "Mandos plugin mandos-client: "
1879
"No such interface: \"%s\"\n", interface);
1629
1880
exitcode = EX_UNAVAILABLE;
1630
1881
goto end;
1631
1882
}
1772
2023
1773
2024
ret = init_gnutls_global(pubkey, seckey);
1774
2025
if(ret == -1){
1775
fprintf(stderr, "init_gnutls_global failed\n");
2026
fprintf(stderr, "Mandos plugin mandos-client: "
2027
"init_gnutls_global failed\n");
1776
2028
exitcode = EX_UNAVAILABLE;
1777
2029
goto end;
1778
2030
} else {
1794
2046
}
1795
2047
1796
2048
if(not init_gpgme(pubkey, seckey, tempdir)){
1797
fprintf(stderr, "init_gpgme failed\n");
2049
fprintf(stderr, "Mandos plugin mandos-client: "
2050
"init_gpgme failed\n");
1798
2051
exitcode = EX_UNAVAILABLE;
1799
2052
goto end;
1800
2053
} else {
1810
2063
/* (Mainly meant for debugging) */
1811
2064
char *address = strrchr(connect_to, ':');
1812
2065
if(address == NULL){
1813
fprintf(stderr, "No colon in address\n");
2066
fprintf(stderr, "Mandos plugin mandos-client: "
2067
"No colon in address\n");
1814
2068
exitcode = EX_USAGE;
1815
2069
goto end;
1816
2070
}
1824
2078
tmpmax = strtoimax(address+1, &tmp, 10);
1825
2079
if(errno != 0 or tmp == address+1 or *tmp != '\0'
1826
2080
or tmpmax != (uint16_t)tmpmax){
1827
fprintf(stderr, "Bad port number\n");
2081
fprintf(stderr, "Mandos plugin mandos-client: "
2082
"Bad port number\n");
1828
2083
exitcode = EX_USAGE;
1829
2084
goto end;
1830
2085
}
1860
2115
break;
1861
2116
}
1862
2117
if(debug){
1863
fprintf(stderr, "Retrying in %d seconds\n",
1864
(int)retry_interval);
2118
fprintf(stderr, "Mandos plugin mandos-client: "
2119
"Retrying in %d seconds\n", (int)retry_interval);
1865
2120
}
1866
2121
sleep((int)retry_interval);
1867
2122
}
1869
2124
if (not quit_now){
1870
2125
exitcode = EXIT_SUCCESS;
1871
2126
}
1872
2127
1873
2128
goto end;
1874
2129
}
1875
2130
1897
2152
1898
2153
/* Check if creating the Avahi server object succeeded */
1899
2154
if(mc.server == NULL){
1900
fprintf(stderr, "Failed to create Avahi server: %s\n",
2155
fprintf(stderr, "Mandos plugin mandos-client: "
2156
"Failed to create Avahi server: %s\n",
1901
2157
avahi_strerror(error));
1902
2158
exitcode = EX_UNAVAILABLE;
1903
2159
goto end;
1912
2168
AVAHI_PROTO_UNSPEC, "_mandos._tcp",
1913
2169
NULL, 0, browse_callback, NULL);
1914
2170
if(sb == NULL){
1915
fprintf(stderr, "Failed to create service browser: %s\n",
2171
fprintf(stderr, "Mandos plugin mandos-client: "
2172
"Failed to create service browser: %s\n",
1916
2173
avahi_strerror(avahi_server_errno(mc.server)));
1917
2174
exitcode = EX_UNAVAILABLE;
1918
2175
goto end;
1925
2182
/* Run the main loop */
1926
2183
1927
2184
if(debug){
1928
fprintf(stderr, "Starting Avahi loop search\n");
2185
fprintf(stderr, "Mandos plugin mandos-client: "
2186
"Starting Avahi loop search\n");
1929
2187
}
1930
2188
1931
2189
ret = avahi_loop_with_timeout(mc.simple_poll,
1932
2190
(int)(retry_interval * 1000));
1933
2191
if(debug){
1934
fprintf(stderr, "avahi_loop_with_timeout exited %s\n",
2192
fprintf(stderr, "Mandos plugin mandos-client: "
2193
"avahi_loop_with_timeout exited %s\n",
1935
2194
(ret == 0) ? "successfully" : "with error");
1936
2195
}
1937
2196
1938
2197
end:
1939
2198
1940
2199
if(debug){
1941
fprintf(stderr, "%s exiting\n", argv[0]);
2200
fprintf(stderr, "Mandos plugin mandos-client: "
2201
"%s exiting\n", argv[0]);
1942
2202
}
1943
2203
1944
2204
/* Cleanup things */
1972
2232
}
1973
2233
}
1974
2234
2235
/* XXX run network hooks "stop" here */
2236
1975
2237
/* Take down the network interface */
1976
2238
if(take_down_interface){
1977
2239
/* Re-raise priviliges */
1984
2246
ret = ioctl(sd, SIOCGIFFLAGS, &network);
1985
2247
if(ret == -1){
1986
2248
perror_plus("ioctl SIOCGIFFLAGS");
1987
} else if(network.ifr_flags & IFF_UP) {
2249
} else if(network.ifr_flags & IFF_UP){
1988
2250
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
1989
2251
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1990
2252
if(ret == -1){
2022
2284
}
2023
2285
ret = remove(fullname);
2024
2286
if(ret == -1){
2025
fprintf(stderr, "remove(\"%s\"): %s\n", fullname,
2026
strerror(errno));
2287
fprintf(stderr, "Mandos plugin mandos-client: "
2288
"remove(\"%s\"): %s\n", fullname, strerror(errno));
2027
2289
}
2028
2290
free(fullname);
2029
2291
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0