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- Committer: Teddy Hogeborn
- Date: 2009-01-15 02:52:02 UTC
- Revision ID: teddy@fukt.bsnet.se-20090115025202-utyjssfivzumvw7m
* debian/watch: New file.
* debian/mandos-client.README.Debian (Emergency Escape): New section;
document the
"mandos=off"
kernel
parameter.
* initramfs-tools-script: Exit if kernel has parameter "mandos=off".
* debian/mandos-client.README.Debian (Emergency Escape): New section;
document the
"mandos=off"
kernel
parameter.
* initramfs-tools-script: Exit if kernel has parameter "mandos=off".
added
removed
plugins.d/mandos-client.c
36
36
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
37
37
38
38
#include <stdio.h> /* fprintf(), stderr, fwrite(),
39
stdout, ferror() */
39
stdout, ferror(), sscanf */
40
40
#include <stdint.h> /* uint16_t, uint32_t */
41
41
#include <stddef.h> /* NULL, size_t, ssize_t */
42
42
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
48
48
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
49
49
sockaddr_in6, PF_INET6,
50
50
SOCK_STREAM, INET6_ADDRSTRLEN,
51
uid_t, gid_t, open(), opendir(), DIR */
51
uid_t, gid_t, open(), opendir(),
52
DIR */
52
53
#include <sys/stat.h> /* open() */
53
54
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
54
55
struct in6_addr, inet_pton(),
55
56
connect() */
56
57
#include <fcntl.h> /* open() */
57
#include <dirent.h> /* opendir(), struct dirent, readdir() */
58
#include <inttypes.h> /* PRIu16 */
58
#include <dirent.h> /* opendir(), struct dirent, readdir()
59
*/
60
#include <inttypes.h> /* PRIu16, intmax_t, SCNdMAX */
59
61
#include <assert.h> /* assert() */
60
62
#include <errno.h> /* perror(), errno */
61
63
#include <time.h> /* time() */
67
69
getuid(), getgid(), setuid(),
68
70
setgid() */
69
71
#include <arpa/inet.h> /* inet_pton(), htons */
70
#include <iso646.h> /* not, and */
72
#include <iso646.h> /* not, and, or */
71
73
#include <argp.h> /* struct argp_option, error_t, struct
72
74
argp_state, struct argp,
73
75
argp_parse(), ARGP_KEY_ARG,
90
92
gnutls_*
91
93
init_gnutls_session(),
92
94
GNUTLS_* */
93
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
95
#include <gnutls/openpgp.h>
96
/* gnutls_certificate_set_openpgp_key_file(),
94
97
GNUTLS_OPENPGP_FMT_BASE64 */
95
98
96
99
/* GPGME */
129
132
*/
130
133
size_t adjustbuffer(char **buffer, size_t buffer_length,
131
134
size_t buffer_capacity){
132
if (buffer_length + BUFFER_SIZE > buffer_capacity){
135
if(buffer_length + BUFFER_SIZE > buffer_capacity){
133
136
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
134
if (buffer == NULL){
137
if(buffer == NULL){
135
138
return 0;
136
139
}
137
140
buffer_capacity += BUFFER_SIZE;
163
166
}
164
167
165
168
rc = gpgme_data_new_from_fd(&pgp_data, fd);
166
if (rc != GPG_ERR_NO_ERROR){
169
if(rc != GPG_ERR_NO_ERROR){
167
170
fprintf(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
168
171
gpgme_strsource(rc), gpgme_strerror(rc));
169
172
return false;
170
173
}
171
174
172
175
rc = gpgme_op_import(mc->ctx, pgp_data);
173
if (rc != GPG_ERR_NO_ERROR){
176
if(rc != GPG_ERR_NO_ERROR){
174
177
fprintf(stderr, "bad gpgme_op_import: %s: %s\n",
175
178
gpgme_strsource(rc), gpgme_strerror(rc));
176
179
return false;
184
187
return true;
185
188
}
186
189
187
if (debug){
190
if(debug){
188
191
fprintf(stderr, "Initialize gpgme\n");
189
192
}
190
193
191
194
/* Init GPGME */
192
195
gpgme_check_version(NULL);
193
196
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
194
if (rc != GPG_ERR_NO_ERROR){
197
if(rc != GPG_ERR_NO_ERROR){
195
198
fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
196
199
gpgme_strsource(rc), gpgme_strerror(rc));
197
200
return false;
198
201
}
199
202
200
203
/* Set GPGME home directory for the OpenPGP engine only */
201
rc = gpgme_get_engine_info (&engine_info);
202
if (rc != GPG_ERR_NO_ERROR){
204
rc = gpgme_get_engine_info(&engine_info);
205
if(rc != GPG_ERR_NO_ERROR){
203
206
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
204
207
gpgme_strsource(rc), gpgme_strerror(rc));
205
208
return false;
219
222
220
223
/* Create new GPGME "context" */
221
224
rc = gpgme_new(&(mc->ctx));
222
if (rc != GPG_ERR_NO_ERROR){
225
if(rc != GPG_ERR_NO_ERROR){
223
226
fprintf(stderr, "bad gpgme_new: %s: %s\n",
224
227
gpgme_strsource(rc), gpgme_strerror(rc));
225
228
return false;
226
229
}
227
230
228
if (not import_key(pubkey) or not import_key(seckey)){
231
if(not import_key(pubkey) or not import_key(seckey)){
229
232
return false;
230
233
}
231
234
236
239
* Decrypt OpenPGP data.
237
240
* Returns -1 on error
238
241
*/
239
static ssize_t pgp_packet_decrypt (const mandos_context *mc,
240
const char *cryptotext,
241
size_t crypto_size,
242
char **plaintext){
242
static ssize_t pgp_packet_decrypt(const mandos_context *mc,
243
const char *cryptotext,
244
size_t crypto_size,
245
char **plaintext){
243
246
gpgme_data_t dh_crypto, dh_plain;
244
247
gpgme_error_t rc;
245
248
ssize_t ret;
246
249
size_t plaintext_capacity = 0;
247
250
ssize_t plaintext_length = 0;
248
251
249
if (debug){
252
if(debug){
250
253
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
251
254
}
252
255
253
256
/* Create new GPGME data buffer from memory cryptotext */
254
257
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
255
258
0);
256
if (rc != GPG_ERR_NO_ERROR){
259
if(rc != GPG_ERR_NO_ERROR){
257
260
fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
258
261
gpgme_strsource(rc), gpgme_strerror(rc));
259
262
return -1;
261
264
262
265
/* Create new empty GPGME data buffer for the plaintext */
263
266
rc = gpgme_data_new(&dh_plain);
264
if (rc != GPG_ERR_NO_ERROR){
267
if(rc != GPG_ERR_NO_ERROR){
265
268
fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
266
269
gpgme_strsource(rc), gpgme_strerror(rc));
267
270
gpgme_data_release(dh_crypto);
271
274
/* Decrypt data from the cryptotext data buffer to the plaintext
272
275
data buffer */
273
276
rc = gpgme_op_decrypt(mc->ctx, dh_crypto, dh_plain);
274
if (rc != GPG_ERR_NO_ERROR){
277
if(rc != GPG_ERR_NO_ERROR){
275
278
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
276
279
gpgme_strsource(rc), gpgme_strerror(rc));
277
280
plaintext_length = -1;
278
if (debug){
281
if(debug){
279
282
gpgme_decrypt_result_t result;
280
283
result = gpgme_op_decrypt_result(mc->ctx);
281
if (result == NULL){
284
if(result == NULL){
282
285
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
283
286
} else {
284
287
fprintf(stderr, "Unsupported algorithm: %s\n",
311
314
}
312
315
313
316
/* Seek back to the beginning of the GPGME plaintext data buffer */
314
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
317
if(gpgme_data_seek(dh_plain, (off_t)0, SEEK_SET) == -1){
315
318
perror("gpgme_data_seek");
316
319
plaintext_length = -1;
317
320
goto decrypt_end;
322
325
plaintext_capacity = adjustbuffer(plaintext,
323
326
(size_t)plaintext_length,
324
327
plaintext_capacity);
325
if (plaintext_capacity == 0){
328
if(plaintext_capacity == 0){
326
329
perror("adjustbuffer");
327
330
plaintext_length = -1;
328
331
goto decrypt_end;
331
334
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
332
335
BUFFER_SIZE);
333
336
/* Print the data, if any */
334
if (ret == 0){
337
if(ret == 0){
335
338
/* EOF */
336
339
break;
337
340
}
361
364
return plaintext_length;
362
365
}
363
366
364
static const char * safer_gnutls_strerror (int value) {
365
const char *ret = gnutls_strerror (value); /* Spurious warning */
366
if (ret == NULL)
367
static const char * safer_gnutls_strerror(int value) {
368
const char *ret = gnutls_strerror(value); /* Spurious warning from
369
-Wunreachable-code */
370
if(ret == NULL)
367
371
ret = "(unknown)";
368
372
return ret;
369
373
}
384
388
}
385
389
386
390
ret = gnutls_global_init();
387
if (ret != GNUTLS_E_SUCCESS) {
388
fprintf (stderr, "GnuTLS global_init: %s\n",
389
safer_gnutls_strerror(ret));
391
if(ret != GNUTLS_E_SUCCESS) {
392
fprintf(stderr, "GnuTLS global_init: %s\n",
393
safer_gnutls_strerror(ret));
390
394
return -1;
391
395
}
392
396
393
if (debug){
397
if(debug){
394
398
/* "Use a log level over 10 to enable all debugging options."
395
399
* - GnuTLS manual
396
400
*/
400
404
401
405
/* OpenPGP credentials */
402
406
gnutls_certificate_allocate_credentials(&mc->cred);
403
if (ret != GNUTLS_E_SUCCESS){
404
fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious
405
warning */
406
safer_gnutls_strerror(ret));
407
gnutls_global_deinit ();
407
if(ret != GNUTLS_E_SUCCESS){
408
fprintf(stderr, "GnuTLS memory error: %s\n", /* Spurious warning
409
* from
410
* -Wunreachable-code
411
*/
412
safer_gnutls_strerror(ret));
413
gnutls_global_deinit();
408
414
return -1;
409
415
}
410
416
417
423
ret = gnutls_certificate_set_openpgp_key_file
418
424
(mc->cred, pubkeyfilename, seckeyfilename,
419
425
GNUTLS_OPENPGP_FMT_BASE64);
420
if (ret != GNUTLS_E_SUCCESS) {
426
if(ret != GNUTLS_E_SUCCESS) {
421
427
fprintf(stderr,
422
428
"Error[%d] while reading the OpenPGP key pair ('%s',"
423
429
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
428
434
429
435
/* GnuTLS server initialization */
430
436
ret = gnutls_dh_params_init(&mc->dh_params);
431
if (ret != GNUTLS_E_SUCCESS) {
432
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
433
" %s\n", safer_gnutls_strerror(ret));
437
if(ret != GNUTLS_E_SUCCESS) {
438
fprintf(stderr, "Error in GnuTLS DH parameter initialization:"
439
" %s\n", safer_gnutls_strerror(ret));
434
440
goto globalfail;
435
441
}
436
442
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
437
if (ret != GNUTLS_E_SUCCESS) {
438
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
439
safer_gnutls_strerror(ret));
443
if(ret != GNUTLS_E_SUCCESS) {
444
fprintf(stderr, "Error in GnuTLS prime generation: %s\n",
445
safer_gnutls_strerror(ret));
440
446
goto globalfail;
441
447
}
442
448
457
463
int ret;
458
464
/* GnuTLS session creation */
459
465
ret = gnutls_init(session, GNUTLS_SERVER);
460
if (ret != GNUTLS_E_SUCCESS){
466
if(ret != GNUTLS_E_SUCCESS){
461
467
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
462
468
safer_gnutls_strerror(ret));
463
469
}
465
471
{
466
472
const char *err;
467
473
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
468
if (ret != GNUTLS_E_SUCCESS) {
474
if(ret != GNUTLS_E_SUCCESS) {
469
475
fprintf(stderr, "Syntax error at: %s\n", err);
470
476
fprintf(stderr, "GnuTLS error: %s\n",
471
477
safer_gnutls_strerror(ret));
472
gnutls_deinit (*session);
478
gnutls_deinit(*session);
473
479
return -1;
474
480
}
475
481
}
476
482
477
483
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
478
484
mc->cred);
479
if (ret != GNUTLS_E_SUCCESS) {
485
if(ret != GNUTLS_E_SUCCESS) {
480
486
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
481
487
safer_gnutls_strerror(ret));
482
gnutls_deinit (*session);
488
gnutls_deinit(*session);
483
489
return -1;
484
490
}
485
491
486
492
/* ignore client certificate if any. */
487
gnutls_certificate_server_set_request (*session,
488
GNUTLS_CERT_IGNORE);
493
gnutls_certificate_server_set_request(*session,
494
GNUTLS_CERT_IGNORE);
489
495
490
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
496
gnutls_dh_set_prime_bits(*session, mc->dh_bits);
491
497
492
498
return 0;
493
499
}
513
519
char interface[IF_NAMESIZE];
514
520
gnutls_session_t session;
515
521
516
ret = init_gnutls_session (mc, &session);
517
if (ret != 0){
522
ret = init_gnutls_session(mc, &session);
523
if(ret != 0){
518
524
return -1;
519
525
}
520
526
542
548
/* It would be nice to have a way to detect if we were passed an
543
549
IPv4 address here. Now we assume an IPv6 address. */
544
550
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
545
if (ret < 0 ){
551
if(ret < 0 ){
546
552
perror("inet_pton");
547
553
return -1;
548
554
}
550
556
fprintf(stderr, "Bad address: %s\n", ip);
551
557
return -1;
552
558
}
553
to.in6.sin6_port = htons(port); /* Spurious warning */
559
to.in6.sin6_port = htons(port); /* Spurious warnings from
560
-Wconversion and
561
-Wunreachable-code */
554
562
555
563
to.in6.sin6_scope_id = (uint32_t)if_index;
556
564
569
577
}
570
578
571
579
ret = connect(tcp_sd, &to.in, sizeof(to));
572
if (ret < 0){
580
if(ret < 0){
573
581
perror("connect");
574
582
return -1;
575
583
}
576
584
577
585
const char *out = mandos_protocol_version;
578
586
written = 0;
579
while (true){
587
while(true){
580
588
size_t out_size = strlen(out);
581
589
ret = (int)TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
582
590
out_size - written));
583
if (ret == -1){
591
if(ret == -1){
584
592
perror("write");
585
593
retval = -1;
586
594
goto mandos_end;
589
597
if(written < out_size){
590
598
continue;
591
599
} else {
592
if (out == mandos_protocol_version){
600
if(out == mandos_protocol_version){
593
601
written = 0;
594
602
out = "\r\n";
595
603
} else {
602
610
fprintf(stderr, "Establishing TLS session with %s\n", ip);
603
611
}
604
612
605
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
613
gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t) tcp_sd);
606
614
607
615
do{
608
ret = gnutls_handshake (session);
616
ret = gnutls_handshake(session);
609
617
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
610
618
611
if (ret != GNUTLS_E_SUCCESS){
619
if(ret != GNUTLS_E_SUCCESS){
612
620
if(debug){
613
621
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
614
gnutls_perror (ret);
622
gnutls_perror(ret);
615
623
}
616
624
retval = -1;
617
625
goto mandos_end;
627
635
while(true){
628
636
buffer_capacity = adjustbuffer(&buffer, buffer_length,
629
637
buffer_capacity);
630
if (buffer_capacity == 0){
638
if(buffer_capacity == 0){
631
639
perror("adjustbuffer");
632
640
retval = -1;
633
641
goto mandos_end;
635
643
636
644
sret = gnutls_record_recv(session, buffer+buffer_length,
637
645
BUFFER_SIZE);
638
if (sret == 0){
646
if(sret == 0){
639
647
break;
640
648
}
641
if (sret < 0){
649
if(sret < 0){
642
650
switch(sret){
643
651
case GNUTLS_E_INTERRUPTED:
644
652
case GNUTLS_E_AGAIN:
645
653
break;
646
654
case GNUTLS_E_REHANDSHAKE:
647
655
do{
648
ret = gnutls_handshake (session);
656
ret = gnutls_handshake(session);
649
657
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
650
if (ret < 0){
658
if(ret < 0){
651
659
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
652
gnutls_perror (ret);
660
gnutls_perror(ret);
653
661
retval = -1;
654
662
goto mandos_end;
655
663
}
658
666
fprintf(stderr, "Unknown error while reading data from"
659
667
" encrypted session with Mandos server\n");
660
668
retval = -1;
661
gnutls_bye (session, GNUTLS_SHUT_RDWR);
669
gnutls_bye(session, GNUTLS_SHUT_RDWR);
662
670
goto mandos_end;
663
671
}
664
672
} else {
670
678
fprintf(stderr, "Closing TLS session\n");
671
679
}
672
680
673
gnutls_bye (session, GNUTLS_SHUT_RDWR);
681
gnutls_bye(session, GNUTLS_SHUT_RDWR);
674
682
675
if (buffer_length > 0){
683
if(buffer_length > 0){
676
684
decrypted_buffer_size = pgp_packet_decrypt(mc, buffer,
677
685
buffer_length,
678
686
&decrypted_buffer);
679
if (decrypted_buffer_size >= 0){
687
if(decrypted_buffer_size >= 0){
680
688
written = 0;
681
689
while(written < (size_t) decrypted_buffer_size){
682
ret = (int)fwrite (decrypted_buffer + written, 1,
683
(size_t)decrypted_buffer_size - written,
684
stdout);
690
ret = (int)fwrite(decrypted_buffer + written, 1,
691
(size_t)decrypted_buffer_size - written,
692
stdout);
685
693
if(ret == 0 and ferror(stdout)){
686
694
if(debug){
687
695
fprintf(stderr, "Error writing encrypted data: %s\n",
708
716
if(ret == -1){
709
717
perror("close");
710
718
}
711
gnutls_deinit (session);
719
gnutls_deinit(session);
712
720
return retval;
713
721
}
714
722
732
740
/* Called whenever a service has been resolved successfully or
733
741
timed out */
734
742
735
switch (event) {
743
switch(event) {
736
744
default:
737
745
case AVAHI_RESOLVER_FAILURE:
738
746
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
746
754
avahi_address_snprint(ip, sizeof(ip), address);
747
755
if(debug){
748
756
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
749
PRIu16 ") on port %d\n", name, host_name, ip,
750
interface, port);
757
PRIdMAX ") on port %" PRIu16 "\n", name, host_name,
758
ip, (intmax_t)interface, port);
751
759
}
752
760
int ret = start_mandos_communication(ip, port, interface, mc);
753
if (ret == 0){
761
if(ret == 0){
754
762
avahi_simple_poll_quit(mc->simple_poll);
755
763
}
756
764
}
774
782
/* Called whenever a new services becomes available on the LAN or
775
783
is removed from the LAN */
776
784
777
switch (event) {
785
switch(event) {
778
786
default:
779
787
case AVAHI_BROWSER_FAILURE:
780
788
789
797
the callback function is called the Avahi server will free the
790
798
resolver for us. */
791
799
792
if (!(avahi_s_service_resolver_new(mc->server, interface,
800
if(!(avahi_s_service_resolver_new(mc->server, interface,
793
801
protocol, name, type, domain,
794
802
AVAHI_PROTO_INET6, 0,
795
803
resolve_callback, mc)))
813
821
AvahiSServiceBrowser *sb = NULL;
814
822
int error;
815
823
int ret;
824
intmax_t tmpmax;
825
int numchars;
816
826
int exitcode = EXIT_SUCCESS;
817
827
const char *interface = "eth0";
818
828
struct ifreq network;
864
874
{ .name = NULL }
865
875
};
866
876
867
error_t parse_opt (int key, char *arg,
868
struct argp_state *state) {
869
/* Get the INPUT argument from `argp_parse', which we know is
870
a pointer to our plugin list pointer. */
871
switch (key) {
877
error_t parse_opt(int key, char *arg,
878
struct argp_state *state) {
879
switch(key) {
872
880
case 128: /* --debug */
873
881
debug = true;
874
882
break;
885
893
pubkey = arg;
886
894
break;
887
895
case 129: /* --dh-bits */
888
errno = 0;
889
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
890
if (errno){
891
perror("strtol");
896
ret = sscanf(arg, "%" SCNdMAX "%n", &tmpmax, &numchars);
897
if(ret < 1 or tmpmax != (typeof(mc.dh_bits))tmpmax
898
or arg[numchars] != '\0'){
899
fprintf(stderr, "Bad number of DH bits\n");
892
900
exit(EXIT_FAILURE);
893
901
}
902
mc.dh_bits = (typeof(mc.dh_bits))tmpmax;
894
903
break;
895
904
case 130: /* --priority */
896
905
mc.priority = arg;
897
906
break;
898
907
case ARGP_KEY_ARG:
899
argp_usage (state);
908
argp_usage(state);
900
909
case ARGP_KEY_END:
901
910
break;
902
911
default:
909
918
.args_doc = "",
910
919
.doc = "Mandos client -- Get and decrypt"
911
920
" passwords from a Mandos server" };
912
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
913
if (ret == ARGP_ERR_UNKNOWN){
921
ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
922
if(ret == ARGP_ERR_UNKNOWN){
914
923
fprintf(stderr, "Unknown error while parsing arguments\n");
915
924
exitcode = EXIT_FAILURE;
916
925
goto end;
951
960
gid = getgid();
952
961
953
962
ret = setuid(uid);
954
if (ret == -1){
963
if(ret == -1){
955
964
perror("setuid");
956
965
}
957
966
958
967
setgid(gid);
959
if (ret == -1){
968
if(ret == -1){
960
969
perror("setgid");
961
970
}
962
971
963
972
ret = init_gnutls_global(&mc, pubkey, seckey);
964
if (ret == -1){
973
if(ret == -1){
965
974
fprintf(stderr, "init_gnutls_global failed\n");
966
975
exitcode = EXIT_FAILURE;
967
976
goto end;
998
1007
exitcode = EXIT_FAILURE;
999
1008
goto end;
1000
1009
}
1001
errno = 0;
1002
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
1003
if(errno){
1004
perror("Bad port number");
1010
uint16_t port;
1011
ret = sscanf(address+1, "%" SCNdMAX "%n", &tmpmax, &numchars);
1012
if(ret < 1 or tmpmax != (uint16_t)tmpmax
1013
or address[numchars+1] != '\0'){
1014
fprintf(stderr, "Bad port number\n");
1005
1015
exitcode = EXIT_FAILURE;
1006
1016
goto end;
1007
1017
}
1018
port = (uint16_t)tmpmax;
1008
1019
*address = '\0';
1009
1020
address = connect_to;
1010
1021
ret = start_mandos_communication(address, port, if_index, &mc);
1016
1027
goto end;
1017
1028
}
1018
1029
1019
if (not debug){
1030
if(not debug){
1020
1031
avahi_set_log_function(empty_log);
1021
1032
}
1022
1033
1025
1036
1026
1037
/* Allocate main Avahi loop object */
1027
1038
mc.simple_poll = avahi_simple_poll_new();
1028
if (mc.simple_poll == NULL) {
1039
if(mc.simple_poll == NULL) {
1029
1040
fprintf(stderr, "Avahi: Failed to create simple poll"
1030
1041
" object.\n");
1031
1042
exitcode = EXIT_FAILURE;
1051
1062
}
1052
1063
1053
1064
/* Check if creating the Avahi server object succeeded */
1054
if (mc.server == NULL) {
1065
if(mc.server == NULL) {
1055
1066
fprintf(stderr, "Failed to create Avahi server: %s\n",
1056
1067
avahi_strerror(error));
1057
1068
exitcode = EXIT_FAILURE;
1063
1074
AVAHI_PROTO_INET6,
1064
1075
"_mandos._tcp", NULL, 0,
1065
1076
browse_callback, &mc);
1066
if (sb == NULL) {
1077
if(sb == NULL) {
1067
1078
fprintf(stderr, "Failed to create service browser: %s\n",
1068
1079
avahi_strerror(avahi_server_errno(mc.server)));
1069
1080
exitcode = EXIT_FAILURE;
1072
1083
1073
1084
/* Run the main loop */
1074
1085
1075
if (debug){
1086
if(debug){
1076
1087
fprintf(stderr, "Starting Avahi loop search\n");
1077
1088
}
1078
1089
1080
1091
1081
1092
end:
1082
1093
1083
if (debug){
1094
if(debug){
1084
1095
fprintf(stderr, "%s exiting\n", argv[0]);
1085
1096
}
1086
1097
1087
1098
/* Cleanup things */
1088
if (sb != NULL)
1099
if(sb != NULL)
1089
1100
avahi_s_service_browser_free(sb);
1090
1101
1091
if (mc.server != NULL)
1102
if(mc.server != NULL)
1092
1103
avahi_server_free(mc.server);
1093
1104
1094
if (mc.simple_poll != NULL)
1105
if(mc.simple_poll != NULL)
1095
1106
avahi_simple_poll_free(mc.simple_poll);
1096
1107
1097
if (gnutls_initalized){
1108
if(gnutls_initalized){
1098
1109
gnutls_certificate_free_credentials(mc.cred);
1099
gnutls_global_deinit ();
1110
gnutls_global_deinit();
1100
1111
gnutls_dh_params_deinit(mc.dh_params);
1101
1112
}
1102
1113
1110
1121
struct dirent *direntry;
1111
1122
d = opendir(tempdir);
1112
1123
if(d == NULL){
1113
perror("opendir");
1124
if(errno != ENOENT){
1125
perror("opendir");
1126
}
1114
1127
} else {
1115
1128
while(true){
1116
1129
direntry = readdir(d);
1117
1130
if(direntry == NULL){
1118
1131
break;
1119
1132
}
1120
if (direntry->d_type == DT_REG){
1133
if(direntry->d_type == DT_REG){
1121
1134
char *fullname = NULL;
1122
1135
ret = asprintf(&fullname, "%s/%s", tempdir,
1123
1136
direntry->d_name);
1136
1149
closedir(d);
1137
1150
}
1138
1151
ret = rmdir(tempdir);
1139
if(ret == -1){
1152
if(ret == -1 and errno != ENOENT){
1140
1153
perror("rmdir");
1141
1154
}
1142
1155
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0