133
160
if (rc != GPG_ERR_NO_ERROR){
134
161
fprintf(stderr, "bad gpgme_new: %s: %s\n",
135
162
gpgme_strsource(rc), gpgme_strerror(rc));
163
plaintext_length = -1;
139
/* Decrypt data from the FILE pointer to the plaintext data buffer */
167
/* Decrypt data from the cryptotext data buffer to the plaintext
140
169
rc = gpgme_op_decrypt(ctx, dh_crypto, dh_plain);
141
170
if (rc != GPG_ERR_NO_ERROR){
142
171
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
143
172
gpgme_strsource(rc), gpgme_strerror(rc));
147
/* gpgme_decrypt_result_t result; */
148
/* result = gpgme_op_decrypt_result(ctx); */
149
/* fprintf(stderr, "Unsupported algorithm: %s\n", result->unsupported_algorithm); */
150
/* fprintf(stderr, "Wrong key usage: %d\n", result->wrong_key_usage); */
151
/* if(result->file_name != NULL){ */
152
/* fprintf(stderr, "File name: %s\n", result->file_name); */
154
/* gpgme_recipient_t recipient; */
155
/* recipient = result->recipients; */
157
/* while(recipient != NULL){ */
158
/* fprintf(stderr, "Public key algorithm: %s\n", */
159
/* gpgme_pubkey_algo_name(recipient->pubkey_algo)); */
160
/* fprintf(stderr, "Key ID: %s\n", recipient->keyid); */
161
/* fprintf(stderr, "Secret key available: %s\n", */
162
/* recipient->status == GPG_ERR_NO_SECKEY ? "No" : "Yes"); */
163
/* recipient = recipient->next; */
167
/* Delete the GPGME FILE pointer cryptotext data buffer */
168
gpgme_data_release(dh_crypto);
173
plaintext_length = -1;
178
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
182
gpgme_decrypt_result_t result;
183
result = gpgme_op_decrypt_result(ctx);
185
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
187
fprintf(stderr, "Unsupported algorithm: %s\n",
188
result->unsupported_algorithm);
189
fprintf(stderr, "Wrong key usage: %d\n",
190
result->wrong_key_usage);
191
if(result->file_name != NULL){
192
fprintf(stderr, "File name: %s\n", result->file_name);
194
gpgme_recipient_t recipient;
195
recipient = result->recipients;
197
while(recipient != NULL){
198
fprintf(stderr, "Public key algorithm: %s\n",
199
gpgme_pubkey_algo_name(recipient->pubkey_algo));
200
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
201
fprintf(stderr, "Secret key available: %s\n",
202
recipient->status == GPG_ERR_NO_SECKEY
204
recipient = recipient->next;
170
210
/* Seek back to the beginning of the GPGME plaintext data buffer */
171
gpgme_data_seek(dh_plain, 0, SEEK_SET);
211
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
212
perror("pgpme_data_seek");
213
plaintext_length = -1;
175
if (new_packet_length + BUFFER_SIZE > new_packet_capacity){
176
*new_packet = realloc(*new_packet, new_packet_capacity + BUFFER_SIZE);
177
if (*new_packet == NULL){
219
if (plaintext_length + BUFFER_SIZE
220
> (ssize_t) plaintext_capacity){
221
*plaintext = realloc(*plaintext, plaintext_capacity
223
if (*plaintext == NULL){
178
224
perror("realloc");
225
plaintext_length = -1;
181
new_packet_capacity += BUFFER_SIZE;
228
plaintext_capacity += BUFFER_SIZE;
184
ret = gpgme_data_read(dh_plain, *new_packet + new_packet_length, BUFFER_SIZE);
231
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
185
233
/* Print the data, if any */
187
/* If password is empty, then a incorrect error will be printed */
191
239
perror("gpgme_data_read");
240
plaintext_length = -1;
194
new_packet_length += ret;
243
plaintext_length += ret;
197
/* Delete the GPGME plaintext data buffer */
247
fprintf(stderr, "Decrypted password is: ");
248
for(ssize_t i = 0; i < plaintext_length; i++){
249
fprintf(stderr, "%02hhX ", (*plaintext)[i]);
251
fprintf(stderr, "\n");
256
/* Delete the GPGME cryptotext data buffer */
257
gpgme_data_release(dh_crypto);
259
/* Delete the GPGME plaintext data buffer */
198
260
gpgme_data_release(dh_plain);
199
return new_packet_length;
261
return plaintext_length;
202
264
static const char * safer_gnutls_strerror (int value) {
209
void debuggnutls(int level, const char* string){
210
fprintf(stderr, "%s", string);
271
/* GnuTLS log function callback */
272
static void debuggnutls(__attribute__((unused)) int level,
274
fprintf(stderr, "GnuTLS: %s", string);
213
int initgnutls(encrypted_session *es){
277
static int initgnutls(mandos_context *mc, gnutls_session_t *session,
278
gnutls_dh_params_t *dh_params){
282
fprintf(stderr, "Initializing GnuTLS\n");
217
285
if ((ret = gnutls_global_init ())
218
286
!= GNUTLS_E_SUCCESS) {
219
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
287
fprintf (stderr, "GnuTLS global_init: %s\n",
288
safer_gnutls_strerror(ret));
223
/* Uncomment to enable full debuggin on the gnutls library */
224
/* gnutls_global_set_log_level(11); */
225
/* gnutls_global_set_log_function(debuggnutls); */
228
/* openpgp credentials */
229
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
293
/* "Use a log level over 10 to enable all debugging options."
296
gnutls_global_set_log_level(11);
297
gnutls_global_set_log_function(debuggnutls);
300
/* OpenPGP credentials */
301
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
230
302
!= GNUTLS_E_SUCCESS) {
231
fprintf (stderr, "memory error: %s\n", safer_gnutls_strerror(ret));
303
fprintf (stderr, "GnuTLS memory error: %s\n",
304
safer_gnutls_strerror(ret));
309
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
310
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
235
314
ret = gnutls_certificate_set_openpgp_key_file
236
(es->cred, CERTFILE, KEYFILE, GNUTLS_OPENPGP_FMT_BASE64);
237
if (ret != GNUTLS_E_SUCCESS) {
239
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s', '%s')\n",
240
ret, CERTFILE, KEYFILE);
241
fprintf(stdout, "The Error is: %s\n",
242
safer_gnutls_strerror(ret));
246
//Gnutls server initialization
247
if ((ret = gnutls_dh_params_init (&es->dh_params))
248
!= GNUTLS_E_SUCCESS) {
249
fprintf (stderr, "Error in dh parameter initialization: %s\n",
250
safer_gnutls_strerror(ret));
254
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
255
!= GNUTLS_E_SUCCESS) {
256
fprintf (stderr, "Error in prime generation: %s\n",
257
safer_gnutls_strerror(ret));
261
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
263
// Gnutls session creation
264
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
265
!= GNUTLS_E_SUCCESS){
266
fprintf(stderr, "Error in gnutls session initialization: %s\n",
267
safer_gnutls_strerror(ret));
270
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
271
!= GNUTLS_E_SUCCESS) {
272
fprintf(stderr, "Syntax error at: %s\n", err);
273
fprintf(stderr, "Gnutls error: %s\n",
274
safer_gnutls_strerror(ret));
278
if ((ret = gnutls_credentials_set
279
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
280
!= GNUTLS_E_SUCCESS) {
281
fprintf(stderr, "Error setting a credentials set: %s\n",
282
safer_gnutls_strerror(ret));
315
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
316
if (ret != GNUTLS_E_SUCCESS) {
318
"Error[%d] while reading the OpenPGP key pair ('%s',"
319
" '%s')\n", ret, pubkeyfile, seckeyfile);
320
fprintf(stdout, "The GnuTLS error is: %s\n",
321
safer_gnutls_strerror(ret));
325
/* GnuTLS server initialization */
326
ret = gnutls_dh_params_init(dh_params);
327
if (ret != GNUTLS_E_SUCCESS) {
328
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
329
" %s\n", safer_gnutls_strerror(ret));
332
ret = gnutls_dh_params_generate2(*dh_params, mc->dh_bits);
333
if (ret != GNUTLS_E_SUCCESS) {
334
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
335
safer_gnutls_strerror(ret));
339
gnutls_certificate_set_dh_params(mc->cred, *dh_params);
341
/* GnuTLS session creation */
342
ret = gnutls_init(session, GNUTLS_SERVER);
343
if (ret != GNUTLS_E_SUCCESS){
344
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
345
safer_gnutls_strerror(ret));
350
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
351
if (ret != GNUTLS_E_SUCCESS) {
352
fprintf(stderr, "Syntax error at: %s\n", err);
353
fprintf(stderr, "GnuTLS error: %s\n",
354
safer_gnutls_strerror(ret));
359
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
361
if (ret != GNUTLS_E_SUCCESS) {
362
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
363
safer_gnutls_strerror(ret));
286
367
/* ignore client certificate if any. */
287
gnutls_certificate_server_set_request (es->session, GNUTLS_CERT_IGNORE);
368
gnutls_certificate_server_set_request (*session,
289
gnutls_dh_set_prime_bits (es->session, DH_BITS);
371
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
294
void empty_log(AvahiLogLevel level, const char *txt){}
376
/* Avahi log function callback */
377
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
378
__attribute__((unused)) const char *txt){}
296
int start_mandos_communcation(char *ip, uint16_t port){
380
/* Called when a Mandos server is found */
381
static int start_mandos_communication(const char *ip, uint16_t port,
382
AvahiIfIndex if_index,
298
385
struct sockaddr_in6 to;
299
struct in6_addr ip_addr;
300
encrypted_session es;
301
386
char *buffer = NULL;
302
387
char *decrypted_buffer;
303
388
size_t buffer_length = 0;
304
389
size_t buffer_capacity = 0;
305
390
ssize_t decrypted_buffer_size;
393
char interface[IF_NAMESIZE];
394
gnutls_session_t session;
395
gnutls_dh_params_t dh_params;
397
ret = initgnutls (mc, &session, &dh_params);
403
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
309
407
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
311
409
perror("socket");
315
ret = setsockopt(tcp_sd, SOL_SOCKET, SO_BINDTODEVICE, "eth0", 5);
317
perror("setsockopt bindtodevice");
414
if(if_indextoname((unsigned int)if_index, interface) == NULL){
415
perror("if_indextoname");
418
fprintf(stderr, "Binding to interface %s\n", interface);
321
memset(&to,0,sizeof(to));
421
memset(&to,0,sizeof(to)); /* Spurious warning */
322
422
to.sin6_family = AF_INET6;
323
ret = inet_pton(AF_INET6, ip, &ip_addr);
423
/* It would be nice to have a way to detect if we were passed an
424
IPv4 address here. Now we assume an IPv6 address. */
425
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
325
427
perror("inet_pton");
329
431
fprintf(stderr, "Bad address: %s\n", ip);
332
to.sin6_port = htons(port);
333
to.sin6_scope_id = if_nametoindex("eth0");
434
to.sin6_port = htons(port); /* Spurious warning */
436
to.sin6_scope_id = (uint32_t)if_index;
439
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
440
char addrstr[INET6_ADDRSTRLEN] = "";
441
if(inet_ntop(to.sin6_family, &(to.sin6_addr), addrstr,
442
sizeof(addrstr)) == NULL){
445
if(strcmp(addrstr, ip) != 0){
446
fprintf(stderr, "Canonical address form: %s\n", addrstr);
335
451
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
378
500
case GNUTLS_E_AGAIN:
380
502
case GNUTLS_E_REHANDSHAKE:
381
ret = gnutls_handshake (es.session);
503
ret = gnutls_handshake (session);
383
fprintf(stderr, "\n*** Handshake failed ***\n");
505
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
384
506
gnutls_perror (ret);
390
fprintf(stderr, "Unknown error while reading data from encrypted session with mandos server\n");
512
fprintf(stderr, "Unknown error while reading data from"
513
" encrypted session with Mandos server\n");
392
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
515
gnutls_bye (session, GNUTLS_SHUT_RDWR);
396
buffer_length += ret;
519
buffer_length += (size_t) ret;
524
fprintf(stderr, "Closing TLS session\n");
527
gnutls_bye (session, GNUTLS_SHUT_RDWR);
400
529
if (buffer_length > 0){
401
if ((decrypted_buffer_size = gpg_packet_decrypt(buffer, buffer_length, &decrypted_buffer, CERT_ROOT)) == 0){
530
decrypted_buffer_size = pgp_packet_decrypt(buffer,
534
if (decrypted_buffer_size >= 0){
535
while(written < (size_t) decrypted_buffer_size){
536
ret = (int)fwrite (decrypted_buffer + written, 1,
537
(size_t)decrypted_buffer_size - written,
539
if(ret == 0 and ferror(stdout)){
541
fprintf(stderr, "Error writing encrypted data: %s\n",
547
written += (size_t)ret;
549
free(decrypted_buffer);
404
fwrite (decrypted_buffer, 1, decrypted_buffer_size, stdout);
405
free(decrypted_buffer);
555
/* Shutdown procedure */
412
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
415
gnutls_deinit (es.session);
416
gnutls_certificate_free_credentials (es.cred);
560
gnutls_deinit (session);
561
gnutls_certificate_free_credentials (mc->cred);
417
562
gnutls_global_deinit ();
421
static AvahiSimplePoll *simple_poll = NULL;
422
static AvahiServer *server = NULL;
424
static void resolve_callback(
425
AvahiSServiceResolver *r,
426
AVAHI_GCC_UNUSED AvahiIfIndex interface,
427
AVAHI_GCC_UNUSED AvahiProtocol protocol,
428
AvahiResolverEvent event,
432
const char *host_name,
433
const AvahiAddress *address,
435
AvahiStringList *txt,
436
AvahiLookupResultFlags flags,
437
AVAHI_GCC_UNUSED void* userdata) {
441
/* Called whenever a service has been resolved successfully or timed out */
444
case AVAHI_RESOLVER_FAILURE:
445
fprintf(stderr, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_server_errno(server)));
448
case AVAHI_RESOLVER_FOUND: {
449
char ip[AVAHI_ADDRESS_STR_MAX];
450
avahi_address_snprint(ip, sizeof(ip), address);
451
int ret = start_mandos_communcation(ip, port);
459
avahi_s_service_resolver_free(r);
462
static void browse_callback(
463
AvahiSServiceBrowser *b,
464
AvahiIfIndex interface,
465
AvahiProtocol protocol,
466
AvahiBrowserEvent event,
470
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
473
AvahiServer *s = userdata;
476
/* Called whenever a new services becomes available on the LAN or is removed from the LAN */
480
case AVAHI_BROWSER_FAILURE:
482
fprintf(stderr, "(Browser) %s\n", avahi_strerror(avahi_server_errno(server)));
483
avahi_simple_poll_quit(simple_poll);
486
case AVAHI_BROWSER_NEW:
487
/* We ignore the returned resolver object. In the callback
488
function we free it. If the server is terminated before
489
the callback function is called the server will free
490
the resolver for us. */
492
if (!(avahi_s_service_resolver_new(s, interface, protocol, name, type, domain, AVAHI_PROTO_INET6, 0, resolve_callback, s)))
493
fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_server_errno(s)));
497
case AVAHI_BROWSER_REMOVE:
500
case AVAHI_BROWSER_ALL_FOR_NOW:
501
case AVAHI_BROWSER_CACHE_EXHAUSTED:
506
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
507
AvahiServerConfig config;
566
static void resolve_callback(AvahiSServiceResolver *r,
567
AvahiIfIndex interface,
568
AVAHI_GCC_UNUSED AvahiProtocol protocol,
569
AvahiResolverEvent event,
573
const char *host_name,
574
const AvahiAddress *address,
576
AVAHI_GCC_UNUSED AvahiStringList *txt,
577
AVAHI_GCC_UNUSED AvahiLookupResultFlags
580
mandos_context *mc = userdata;
581
assert(r); /* Spurious warning */
583
/* Called whenever a service has been resolved successfully or
588
case AVAHI_RESOLVER_FAILURE:
589
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
590
" of type '%s' in domain '%s': %s\n", name, type, domain,
591
avahi_strerror(avahi_server_errno(mc->server)));
594
case AVAHI_RESOLVER_FOUND:
596
char ip[AVAHI_ADDRESS_STR_MAX];
597
avahi_address_snprint(ip, sizeof(ip), address);
599
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
600
" port %d\n", name, host_name, ip, interface, port);
602
int ret = start_mandos_communication(ip, port, interface, mc);
608
avahi_s_service_resolver_free(r);
611
static void browse_callback( AvahiSServiceBrowser *b,
612
AvahiIfIndex interface,
613
AvahiProtocol protocol,
614
AvahiBrowserEvent event,
618
AVAHI_GCC_UNUSED AvahiLookupResultFlags
621
mandos_context *mc = userdata;
622
assert(b); /* Spurious warning */
624
/* Called whenever a new services becomes available on the LAN or
625
is removed from the LAN */
629
case AVAHI_BROWSER_FAILURE:
631
fprintf(stderr, "(Avahi browser) %s\n",
632
avahi_strerror(avahi_server_errno(mc->server)));
633
avahi_simple_poll_quit(mc->simple_poll);
636
case AVAHI_BROWSER_NEW:
637
/* We ignore the returned Avahi resolver object. In the callback
638
function we free it. If the Avahi server is terminated before
639
the callback function is called the Avahi server will free the
642
if (!(avahi_s_service_resolver_new(mc->server, interface,
643
protocol, name, type, domain,
644
AVAHI_PROTO_INET6, 0,
645
resolve_callback, mc)))
646
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
647
name, avahi_strerror(avahi_server_errno(mc->server)));
650
case AVAHI_BROWSER_REMOVE:
653
case AVAHI_BROWSER_ALL_FOR_NOW:
654
case AVAHI_BROWSER_CACHE_EXHAUSTED:
656
fprintf(stderr, "No Mandos server found, still searching...\n");
662
/* Combines file name and path and returns the malloced new
663
string. some sane checks could/should be added */
664
static const char *combinepath(const char *first, const char *second){
665
size_t f_len = strlen(first);
666
size_t s_len = strlen(second);
667
char *tmp = malloc(f_len + s_len + 2);
672
memcpy(tmp, first, f_len); /* Spurious warning */
676
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
678
tmp[f_len + 1 + s_len] = '\0';
683
int main(int argc, char *argv[]){
508
684
AvahiSServiceBrowser *sb = NULL;
512
avahi_set_log_function(empty_log);
514
/* Initialize the psuedo-RNG */
517
/* Allocate main loop object */
518
if (!(simple_poll = avahi_simple_poll_new())) {
519
fprintf(stderr, "Failed to create simple poll object.\n");
523
/* Do not publish any local records */
524
avahi_server_config_init(&config);
525
config.publish_hinfo = 0;
526
config.publish_addresses = 0;
527
config.publish_workstation = 0;
528
config.publish_domain = 0;
530
/* /\* Set a unicast DNS server for wide area DNS-SD *\/ */
531
/* avahi_address_parse("193.11.177.11", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]); */
532
/* config.n_wide_area_servers = 1; */
533
/* config.enable_wide_area = 1; */
535
/* Allocate a new server */
536
server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, NULL, NULL, &error);
538
/* Free the configuration data */
539
avahi_server_config_free(&config);
541
/* Check wether creating the server object succeeded */
543
fprintf(stderr, "Failed to create server: %s\n", avahi_strerror(error));
547
/* Create the service browser */
548
if (!(sb = avahi_s_service_browser_new(server, if_nametoindex("eth0"), AVAHI_PROTO_INET6, "_mandos._tcp", NULL, 0, browse_callback, server))) {
549
fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_server_errno(server)));
687
int exitcode = EXIT_SUCCESS;
688
const char *interface = "eth0";
689
struct ifreq network;
691
char *connect_to = NULL;
692
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
693
mandos_context mc = { .simple_poll = NULL, .server = NULL,
694
.dh_bits = 1024, .priority = "SECURE256"};
697
/* Temporary int to get the address of for getopt_long */
698
int debug_int = debug ? 1 : 0;
700
struct option long_options[] = {
701
{"debug", no_argument, &debug_int, 1},
702
{"connect", required_argument, NULL, 'c'},
703
{"interface", required_argument, NULL, 'i'},
704
{"keydir", required_argument, NULL, 'd'},
705
{"seckey", required_argument, NULL, 's'},
706
{"pubkey", required_argument, NULL, 'p'},
707
{"dh-bits", required_argument, NULL, 'D'},
708
{"priority", required_argument, NULL, 'P'},
711
int option_index = 0;
712
ret = getopt_long (argc, argv, "i:", long_options,
739
mc.dh_bits = (unsigned int) strtol(optarg, NULL, 10);
746
mc.priority = optarg;
750
/* getopt_long() has already printed a message about the
751
unrcognized option, so just exit. */
755
/* Set the global debug flag from the temporary int */
756
debug = debug_int ? true : false;
759
pubkeyfile = combinepath(keydir, pubkeyfile);
760
if (pubkeyfile == NULL){
761
perror("combinepath");
762
exitcode = EXIT_FAILURE;
766
seckeyfile = combinepath(keydir, seckeyfile);
767
if (seckeyfile == NULL){
768
perror("combinepath");
772
if_index = (AvahiIfIndex) if_nametoindex(interface);
774
fprintf(stderr, "No such interface: \"%s\"\n", interface);
778
if(connect_to != NULL){
779
/* Connect directly, do not use Zeroconf */
780
/* (Mainly meant for debugging) */
781
char *address = strrchr(connect_to, ':');
783
fprintf(stderr, "No colon in address\n");
787
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
789
perror("Bad port number");
793
address = connect_to;
794
ret = start_mandos_communication(address, port, if_index, &mc);
802
/* If the interface is down, bring it up */
804
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
807
exitcode = EXIT_FAILURE;
810
strcpy(network.ifr_name, interface); /* Spurious warning */
811
ret = ioctl(sd, SIOCGIFFLAGS, &network);
813
perror("ioctl SIOCGIFFLAGS");
814
exitcode = EXIT_FAILURE;
817
if((network.ifr_flags & IFF_UP) == 0){
818
network.ifr_flags |= IFF_UP;
819
ret = ioctl(sd, SIOCSIFFLAGS, &network);
821
perror("ioctl SIOCSIFFLAGS");
822
exitcode = EXIT_FAILURE;
830
avahi_set_log_function(empty_log);
833
/* Initialize the pseudo-RNG for Avahi */
834
srand((unsigned int) time(NULL));
836
/* Allocate main Avahi loop object */
837
mc.simple_poll = avahi_simple_poll_new();
838
if (mc.simple_poll == NULL) {
839
fprintf(stderr, "Avahi: Failed to create simple poll"
841
exitcode = EXIT_FAILURE;
846
AvahiServerConfig config;
847
/* Do not publish any local Zeroconf records */
848
avahi_server_config_init(&config);
849
config.publish_hinfo = 0;
850
config.publish_addresses = 0;
851
config.publish_workstation = 0;
852
config.publish_domain = 0;
854
/* Allocate a new server */
855
mc.server = avahi_server_new(avahi_simple_poll_get
856
(mc.simple_poll), &config, NULL,
859
/* Free the Avahi configuration data */
860
avahi_server_config_free(&config);
863
/* Check if creating the Avahi server object succeeded */
864
if (mc.server == NULL) {
865
fprintf(stderr, "Failed to create Avahi server: %s\n",
866
avahi_strerror(error));
867
exitcode = EXIT_FAILURE;
871
/* Create the Avahi service browser */
872
sb = avahi_s_service_browser_new(mc.server, if_index,
874
"_mandos._tcp", NULL, 0,
875
browse_callback, &mc);
877
fprintf(stderr, "Failed to create service browser: %s\n",
878
avahi_strerror(avahi_server_errno(mc.server)));
879
exitcode = EXIT_FAILURE;
553
883
/* Run the main loop */
554
avahi_simple_poll_loop(simple_poll);
886
fprintf(stderr, "Starting Avahi loop search\n");
889
avahi_simple_poll_loop(mc.simple_poll);
894
fprintf(stderr, "%s exiting\n", argv[0]);
560
897
/* Cleanup things */
562
899
avahi_s_service_browser_free(sb);
565
avahi_server_free(server);
568
avahi_simple_poll_free(simple_poll);
901
if (mc.server != NULL)
902
avahi_server_free(mc.server);
904
if (mc.simple_poll != NULL)
905
avahi_simple_poll_free(mc.simple_poll);