64
58
#include <string.h> /* memset */
65
59
#include <arpa/inet.h> /* inet_pton() */
66
60
#include <iso646.h> /* not */
67
#include <net/if.h> /* IF_NAMESIZE */
68
#include <argp.h> /* struct argp_option,
69
struct argp_state, struct argp,
72
63
#include <errno.h> /* perror() */
75
69
#define BUFFER_SIZE 256
72
static const char *certdir = "/conf/conf.d/mandos";
73
static const char *certfile = "openpgp-client.txt";
74
static const char *certkey = "openpgp-client-key.txt";
77
76
bool debug = false;
78
static const char *keydir = "/conf/conf.d/mandos";
79
static const char mandos_protocol_version[] = "1";
80
const char *argp_program_version = "mandosclient 0.9";
81
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
83
/* Used for passing in values through the Avahi callback functions */
85
AvahiSimplePoll *simple_poll;
79
gnutls_session_t session;
87
80
gnutls_certificate_credentials_t cred;
89
81
gnutls_dh_params_t dh_params;
94
* Make room in "buffer" for at least BUFFER_SIZE additional bytes.
95
* "buffer_capacity" is how much is currently allocated,
96
* "buffer_length" is how much is already used.
98
size_t adjustbuffer(char **buffer, size_t buffer_length,
99
size_t buffer_capacity){
100
if (buffer_length + BUFFER_SIZE > buffer_capacity){
101
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
105
buffer_capacity += BUFFER_SIZE;
107
return buffer_capacity;
111
* Decrypt OpenPGP data using keyrings in HOMEDIR.
112
* Returns -1 on error
114
static ssize_t pgp_packet_decrypt (const char *cryptotext,
85
static ssize_t pgp_packet_decrypt (char *packet, size_t packet_size,
117
87
const char *homedir){
118
88
gpgme_data_t dh_crypto, dh_plain;
122
size_t plaintext_capacity = 0;
123
ssize_t plaintext_length = 0;
92
ssize_t new_packet_capacity = 0;
93
ssize_t new_packet_length = 0;
124
94
gpgme_engine_info_t engine_info;
127
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
97
fprintf(stderr, "Trying to decrypt OpenPGP packet\n");
195
/* Delete the GPGME FILE pointer cryptotext data buffer */
196
gpgme_data_release(dh_crypto);
229
198
/* Seek back to the beginning of the GPGME plaintext data buffer */
230
199
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
231
200
perror("pgpme_data_seek");
232
plaintext_length = -1;
238
plaintext_capacity = adjustbuffer(plaintext,
239
(size_t)plaintext_length,
241
if (plaintext_capacity == 0){
242
perror("adjustbuffer");
243
plaintext_length = -1;
205
if (new_packet_length + BUFFER_SIZE > new_packet_capacity){
206
*new_packet = realloc(*new_packet,
207
(unsigned int)new_packet_capacity
209
if (*new_packet == NULL){
213
new_packet_capacity += BUFFER_SIZE;
247
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
216
ret = gpgme_data_read(dh_plain, *new_packet + new_packet_length,
249
218
/* Print the data, if any */
255
223
perror("gpgme_data_read");
256
plaintext_length = -1;
259
plaintext_length += ret;
226
new_packet_length += ret;
263
fprintf(stderr, "Decrypted password is: ");
264
for(ssize_t i = 0; i < plaintext_length; i++){
265
fprintf(stderr, "%02hhX ", (*plaintext)[i]);
267
fprintf(stderr, "\n");
272
/* Delete the GPGME cryptotext data buffer */
273
gpgme_data_release(dh_crypto);
229
/* FIXME: check characters before printing to screen so to not print
230
terminal control characters */
232
/* fprintf(stderr, "decrypted password is: "); */
233
/* fwrite(*new_packet, 1, new_packet_length, stderr); */
234
/* fprintf(stderr, "\n"); */
275
237
/* Delete the GPGME plaintext data buffer */
276
238
gpgme_data_release(dh_plain);
277
return plaintext_length;
239
return new_packet_length;
280
242
static const char * safer_gnutls_strerror (int value) {
302
262
if ((ret = gnutls_global_init ())
303
263
!= GNUTLS_E_SUCCESS) {
304
fprintf (stderr, "GnuTLS global_init: %s\n",
305
safer_gnutls_strerror(ret));
264
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
310
/* "Use a log level over 10 to enable all debugging options."
313
269
gnutls_global_set_log_level(11);
314
270
gnutls_global_set_log_function(debuggnutls);
317
/* OpenPGP credentials */
318
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
273
/* openpgp credentials */
274
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
319
275
!= GNUTLS_E_SUCCESS) {
320
fprintf (stderr, "GnuTLS memory error: %s\n",
276
fprintf (stderr, "memory error: %s\n",
321
277
safer_gnutls_strerror(ret));
322
gnutls_global_deinit ();
327
282
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
328
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
283
" and keyfile %s as GnuTLS credentials\n", certfile,
332
287
ret = gnutls_certificate_set_openpgp_key_file
333
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
288
(es->cred, certfile, certkey, GNUTLS_OPENPGP_FMT_BASE64);
334
289
if (ret != GNUTLS_E_SUCCESS) {
336
"Error[%d] while reading the OpenPGP key pair ('%s',"
337
" '%s')\n", ret, pubkeyfile, seckeyfile);
338
fprintf(stdout, "The GnuTLS error is: %s\n",
291
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s',"
293
ret, certfile, certkey);
294
fprintf(stdout, "The Error is: %s\n",
339
295
safer_gnutls_strerror(ret));
343
/* GnuTLS server initialization */
344
ret = gnutls_dh_params_init(&mc->dh_params);
345
if (ret != GNUTLS_E_SUCCESS) {
346
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
347
" %s\n", safer_gnutls_strerror(ret));
350
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
351
if (ret != GNUTLS_E_SUCCESS) {
352
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
353
safer_gnutls_strerror(ret));
357
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
363
gnutls_certificate_free_credentials (mc->cred);
364
gnutls_global_deinit ();
369
static int init_gnutls_session(mandos_context *mc,
370
gnutls_session_t *session){
372
/* GnuTLS session creation */
373
ret = gnutls_init(session, GNUTLS_SERVER);
374
if (ret != GNUTLS_E_SUCCESS){
299
//GnuTLS server initialization
300
if ((ret = gnutls_dh_params_init (&es->dh_params))
301
!= GNUTLS_E_SUCCESS) {
302
fprintf (stderr, "Error in dh parameter initialization: %s\n",
303
safer_gnutls_strerror(ret));
307
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
308
!= GNUTLS_E_SUCCESS) {
309
fprintf (stderr, "Error in prime generation: %s\n",
310
safer_gnutls_strerror(ret));
314
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
316
// GnuTLS session creation
317
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
318
!= GNUTLS_E_SUCCESS){
375
319
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
376
320
safer_gnutls_strerror(ret));
381
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
382
if (ret != GNUTLS_E_SUCCESS) {
383
fprintf(stderr, "Syntax error at: %s\n", err);
384
fprintf(stderr, "GnuTLS error: %s\n",
385
safer_gnutls_strerror(ret));
386
gnutls_deinit (*session);
323
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
324
!= GNUTLS_E_SUCCESS) {
325
fprintf(stderr, "Syntax error at: %s\n", err);
326
fprintf(stderr, "GnuTLS error: %s\n",
327
safer_gnutls_strerror(ret));
391
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
393
if (ret != GNUTLS_E_SUCCESS) {
394
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
331
if ((ret = gnutls_credentials_set
332
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
333
!= GNUTLS_E_SUCCESS) {
334
fprintf(stderr, "Error setting a credentials set: %s\n",
395
335
safer_gnutls_strerror(ret));
396
gnutls_deinit (*session);
400
339
/* ignore client certificate if any. */
401
gnutls_certificate_server_set_request (*session,
340
gnutls_certificate_server_set_request (es->session,
402
341
GNUTLS_CERT_IGNORE);
404
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
343
gnutls_dh_set_prime_bits (es->session, DH_BITS);
409
/* Avahi log function callback */
410
348
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
411
349
__attribute__((unused)) const char *txt){}
413
/* Called when a Mandos server is found */
414
351
static int start_mandos_communication(const char *ip, uint16_t port,
415
AvahiIfIndex if_index,
352
AvahiIfIndex if_index){
418
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
354
struct sockaddr_in6 to;
355
encrypted_session es;
419
356
char *buffer = NULL;
420
357
char *decrypted_buffer;
421
358
size_t buffer_length = 0;
422
359
size_t buffer_capacity = 0;
423
360
ssize_t decrypted_buffer_size;
426
363
char interface[IF_NAMESIZE];
427
gnutls_session_t session;
429
ret = init_gnutls_session (mc, &session);
435
366
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
441
372
perror("socket");
446
if(if_indextoname((unsigned int)if_index, interface) == NULL){
376
if(if_indextoname((unsigned int)if_index, interface) == NULL){
447
378
perror("if_indextoname");
450
384
fprintf(stderr, "Binding to interface %s\n", interface);
453
387
memset(&to,0,sizeof(to)); /* Spurious warning */
454
to.in6.sin6_family = AF_INET6;
455
/* It would be nice to have a way to detect if we were passed an
456
IPv4 address here. Now we assume an IPv6 address. */
457
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
388
to.sin6_family = AF_INET6;
389
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
459
391
perror("inet_pton");
463
395
fprintf(stderr, "Bad address: %s\n", ip);
466
to.in6.sin6_port = htons(port); /* Spurious warning */
398
to.sin6_port = htons(port); /* Spurious warning */
468
to.in6.sin6_scope_id = (uint32_t)if_index;
400
to.sin6_scope_id = (uint32_t)if_index;
471
403
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
472
char addrstr[INET6_ADDRSTRLEN] = "";
473
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
474
sizeof(addrstr)) == NULL){
477
if(strcmp(addrstr, ip) != 0){
478
fprintf(stderr, "Canonical address form: %s\n", addrstr);
404
/* char addrstr[INET6_ADDRSTRLEN]; */
405
/* if(inet_ntop(to.sin6_family, &(to.sin6_addr), addrstr, */
406
/* sizeof(addrstr)) == NULL){ */
407
/* perror("inet_ntop"); */
409
/* fprintf(stderr, "Really connecting to: %s, port %d\n", */
410
/* addrstr, ntohs(to.sin6_port)); */
483
ret = connect(tcp_sd, &to.in, sizeof(to));
414
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
485
416
perror("connect");
489
const char *out = mandos_protocol_version;
492
size_t out_size = strlen(out);
493
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
494
out_size - written));
500
written += (size_t)ret;
501
if(written < out_size){
504
if (out == mandos_protocol_version){
420
ret = initgnutls (&es);
426
gnutls_transport_set_ptr (es.session,
427
(gnutls_transport_ptr_t) tcp_sd);
514
430
fprintf(stderr, "Establishing TLS session with %s\n", ip);
517
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
519
ret = gnutls_handshake (session);
433
ret = gnutls_handshake (es.session);
521
435
if (ret != GNUTLS_E_SUCCESS){
523
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
437
fprintf(stderr, "\n*** Handshake failed ***\n");
524
438
gnutls_perror (ret);
530
/* Read OpenPGP packet that contains the wanted password */
444
//Retrieve OpenPGP packet that contains the wanted password
533
447
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
554
469
case GNUTLS_E_AGAIN:
556
471
case GNUTLS_E_REHANDSHAKE:
557
ret = gnutls_handshake (session);
472
ret = gnutls_handshake (es.session);
559
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
474
fprintf(stderr, "\n*** Handshake failed ***\n");
560
475
gnutls_perror (ret);
566
481
fprintf(stderr, "Unknown error while reading data from"
567
" encrypted session with Mandos server\n");
482
" encrypted session with mandos server\n");
569
gnutls_bye (session, GNUTLS_SHUT_RDWR);
484
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
573
488
buffer_length += (size_t) ret;
578
fprintf(stderr, "Closing TLS session\n");
581
gnutls_bye (session, GNUTLS_SHUT_RDWR);
583
492
if (buffer_length > 0){
584
493
decrypted_buffer_size = pgp_packet_decrypt(buffer,
586
495
&decrypted_buffer,
588
497
if (decrypted_buffer_size >= 0){
590
498
while(written < (size_t) decrypted_buffer_size){
591
499
ret = (int)fwrite (decrypted_buffer + written, 1,
592
500
(size_t)decrypted_buffer_size - written,
610
/* Shutdown procedure */
521
fprintf(stderr, "Closing TLS session\n");
525
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
615
gnutls_deinit (session);
528
gnutls_deinit (es.session);
529
gnutls_certificate_free_credentials (es.cred);
530
gnutls_global_deinit ();
619
static void resolve_callback(AvahiSServiceResolver *r,
620
AvahiIfIndex interface,
621
AVAHI_GCC_UNUSED AvahiProtocol protocol,
622
AvahiResolverEvent event,
626
const char *host_name,
627
const AvahiAddress *address,
629
AVAHI_GCC_UNUSED AvahiStringList *txt,
630
AVAHI_GCC_UNUSED AvahiLookupResultFlags
633
mandos_context *mc = userdata;
534
static AvahiSimplePoll *simple_poll = NULL;
535
static AvahiServer *server = NULL;
537
static void resolve_callback(
538
AvahiSServiceResolver *r,
539
AvahiIfIndex interface,
540
AVAHI_GCC_UNUSED AvahiProtocol protocol,
541
AvahiResolverEvent event,
545
const char *host_name,
546
const AvahiAddress *address,
548
AVAHI_GCC_UNUSED AvahiStringList *txt,
549
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
550
AVAHI_GCC_UNUSED void* userdata) {
634
552
assert(r); /* Spurious warning */
636
554
/* Called whenever a service has been resolved successfully or
661
579
avahi_s_service_resolver_free(r);
664
static void browse_callback( AvahiSServiceBrowser *b,
665
AvahiIfIndex interface,
666
AvahiProtocol protocol,
667
AvahiBrowserEvent event,
671
AVAHI_GCC_UNUSED AvahiLookupResultFlags
674
mandos_context *mc = userdata;
675
assert(b); /* Spurious warning */
677
/* Called whenever a new services becomes available on the LAN or
678
is removed from the LAN */
682
case AVAHI_BROWSER_FAILURE:
684
fprintf(stderr, "(Avahi browser) %s\n",
685
avahi_strerror(avahi_server_errno(mc->server)));
686
avahi_simple_poll_quit(mc->simple_poll);
689
case AVAHI_BROWSER_NEW:
690
/* We ignore the returned Avahi resolver object. In the callback
691
function we free it. If the Avahi server is terminated before
692
the callback function is called the Avahi server will free the
695
if (!(avahi_s_service_resolver_new(mc->server, interface,
696
protocol, name, type, domain,
697
AVAHI_PROTO_INET6, 0,
698
resolve_callback, mc)))
699
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
700
name, avahi_strerror(avahi_server_errno(mc->server)));
703
case AVAHI_BROWSER_REMOVE:
706
case AVAHI_BROWSER_ALL_FOR_NOW:
707
case AVAHI_BROWSER_CACHE_EXHAUSTED:
709
fprintf(stderr, "No Mandos server found, still searching...\n");
582
static void browse_callback(
583
AvahiSServiceBrowser *b,
584
AvahiIfIndex interface,
585
AvahiProtocol protocol,
586
AvahiBrowserEvent event,
590
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
593
AvahiServer *s = userdata;
594
assert(b); /* Spurious warning */
596
/* Called whenever a new services becomes available on the LAN or
597
is removed from the LAN */
601
case AVAHI_BROWSER_FAILURE:
603
fprintf(stderr, "(Browser) %s\n",
604
avahi_strerror(avahi_server_errno(server)));
605
avahi_simple_poll_quit(simple_poll);
608
case AVAHI_BROWSER_NEW:
609
/* We ignore the returned resolver object. In the callback
610
function we free it. If the server is terminated before
611
the callback function is called the server will free
612
the resolver for us. */
614
if (!(avahi_s_service_resolver_new(s, interface, protocol, name,
616
AVAHI_PROTO_INET6, 0,
617
resolve_callback, s)))
618
fprintf(stderr, "Failed to resolve service '%s': %s\n", name,
619
avahi_strerror(avahi_server_errno(s)));
622
case AVAHI_BROWSER_REMOVE:
625
case AVAHI_BROWSER_ALL_FOR_NOW:
626
case AVAHI_BROWSER_CACHE_EXHAUSTED:
715
631
/* Combines file name and path and returns the malloced new
725
memcpy(tmp, first, f_len); /* Spurious warning */
641
memcpy(tmp, first, f_len);
727
643
tmp[f_len] = '/';
729
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
645
memcpy(tmp + f_len + 1, second, s_len);
731
647
tmp[f_len + 1 + s_len] = '\0';
736
int main(int argc, char *argv[]){
652
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
653
AvahiServerConfig config;
737
654
AvahiSServiceBrowser *sb = NULL;
740
int exitcode = EXIT_SUCCESS;
741
const char *interface = "eth0";
742
struct ifreq network;
657
int returncode = EXIT_SUCCESS;
658
const char *interface = NULL;
659
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
746
660
char *connect_to = NULL;
747
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
748
const char *pubkeyfile = "pubkey.txt";
749
const char *seckeyfile = "seckey.txt";
750
mandos_context mc = { .simple_poll = NULL, .server = NULL,
751
.dh_bits = 1024, .priority = "SECURE256"};
752
bool gnutls_initalized = false;
755
struct argp_option options[] = {
756
{ .name = "debug", .key = 128,
757
.doc = "Debug mode", .group = 3 },
758
{ .name = "connect", .key = 'c',
760
.doc = "Connect directly to a sepcified mandos server",
762
{ .name = "interface", .key = 'i',
764
.doc = "Interface that Avahi will conntect through",
766
{ .name = "keydir", .key = 'd',
768
.doc = "Directory where the openpgp keyring is",
770
{ .name = "seckey", .key = 's',
772
.doc = "Secret openpgp key for gnutls authentication",
774
{ .name = "pubkey", .key = 'p',
776
.doc = "Public openpgp key for gnutls authentication",
778
{ .name = "dh-bits", .key = 129,
780
.doc = "dh-bits to use in gnutls communication",
782
{ .name = "priority", .key = 130,
784
.doc = "GNUTLS priority", .group = 1 },
789
error_t parse_opt (int key, char *arg,
790
struct argp_state *state) {
791
/* Get the INPUT argument from `argp_parse', which we know is
792
a pointer to our plugin list pointer. */
814
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
829
return ARGP_ERR_UNKNOWN;
834
struct argp argp = { .options = options, .parser = parse_opt,
836
.doc = "Mandos client -- Get and decrypt"
837
" passwords from mandos server" };
838
argp_parse (&argp, argc, argv, 0, 0, NULL);
841
pubkeyfile = combinepath(keydir, pubkeyfile);
842
if (pubkeyfile == NULL){
843
perror("combinepath");
844
exitcode = EXIT_FAILURE;
848
seckeyfile = combinepath(keydir, seckeyfile);
849
if (seckeyfile == NULL){
850
perror("combinepath");
854
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
856
fprintf(stderr, "init_gnutls_global\n");
859
gnutls_initalized = true;
875
if_index = (AvahiIfIndex) if_nametoindex(interface);
877
fprintf(stderr, "No such interface: \"%s\"\n", interface);
663
static struct option long_options[] = {
664
{"debug", no_argument, (int *)&debug, 1},
665
{"connect", required_argument, 0, 'C'},
666
{"interface", required_argument, 0, 'i'},
667
{"certdir", required_argument, 0, 'd'},
668
{"certkey", required_argument, 0, 'c'},
669
{"certfile", required_argument, 0, 'k'},
672
int option_index = 0;
673
ret = getopt_long (argc, argv, "i:", long_options,
703
certfile = combinepath(certdir, certfile);
704
if (certfile == NULL){
705
perror("combinepath");
709
if(interface != NULL){
710
if_index = (AvahiIfIndex) if_nametoindex(interface);
712
fprintf(stderr, "No such interface: \"%s\"\n", interface);
881
717
if(connect_to != NULL){
884
720
char *address = strrchr(connect_to, ':');
885
721
if(address == NULL){
886
722
fprintf(stderr, "No colon in address\n");
887
exitcode = EXIT_FAILURE;
891
726
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
893
728
perror("Bad port number");
894
exitcode = EXIT_FAILURE;
898
732
address = connect_to;
899
ret = start_mandos_communication(address, port, if_index, &mc);
733
ret = start_mandos_communication(address, port, if_index);
901
exitcode = EXIT_FAILURE;
903
exitcode = EXIT_SUCCESS;
908
/* If the interface is down, bring it up */
910
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
913
exitcode = EXIT_FAILURE;
916
strcpy(network.ifr_name, interface); /* Spurious warning */
917
ret = ioctl(sd, SIOCGIFFLAGS, &network);
919
perror("ioctl SIOCGIFFLAGS");
920
exitcode = EXIT_FAILURE;
923
if((network.ifr_flags & IFF_UP) == 0){
924
network.ifr_flags |= IFF_UP;
925
ret = ioctl(sd, SIOCSIFFLAGS, &network);
927
perror("ioctl SIOCSIFFLAGS");
928
exitcode = EXIT_FAILURE;
741
certkey = combinepath(certdir, certkey);
742
if (certkey == NULL){
743
perror("combinepath");
936
748
avahi_set_log_function(empty_log);
939
/* Initialize the pseudo-RNG for Avahi */
751
/* Initialize the psuedo-RNG */
940
752
srand((unsigned int) time(NULL));
942
/* Allocate main Avahi loop object */
943
mc.simple_poll = avahi_simple_poll_new();
944
if (mc.simple_poll == NULL) {
945
fprintf(stderr, "Avahi: Failed to create simple poll"
947
exitcode = EXIT_FAILURE;
952
AvahiServerConfig config;
953
/* Do not publish any local Zeroconf records */
954
avahi_server_config_init(&config);
955
config.publish_hinfo = 0;
956
config.publish_addresses = 0;
957
config.publish_workstation = 0;
958
config.publish_domain = 0;
960
/* Allocate a new server */
961
mc.server = avahi_server_new(avahi_simple_poll_get
962
(mc.simple_poll), &config, NULL,
965
/* Free the Avahi configuration data */
966
avahi_server_config_free(&config);
969
/* Check if creating the Avahi server object succeeded */
970
if (mc.server == NULL) {
971
fprintf(stderr, "Failed to create Avahi server: %s\n",
754
/* Allocate main loop object */
755
if (!(simple_poll = avahi_simple_poll_new())) {
756
fprintf(stderr, "Failed to create simple poll object.\n");
761
/* Do not publish any local records */
762
avahi_server_config_init(&config);
763
config.publish_hinfo = 0;
764
config.publish_addresses = 0;
765
config.publish_workstation = 0;
766
config.publish_domain = 0;
768
/* Allocate a new server */
769
server = avahi_server_new(avahi_simple_poll_get(simple_poll),
770
&config, NULL, NULL, &error);
772
/* Free the configuration data */
773
avahi_server_config_free(&config);
775
/* Check if creating the server object succeeded */
777
fprintf(stderr, "Failed to create server: %s\n",
972
778
avahi_strerror(error));
973
exitcode = EXIT_FAILURE;
779
returncode = EXIT_FAILURE;
977
/* Create the Avahi service browser */
978
sb = avahi_s_service_browser_new(mc.server, if_index,
783
/* Create the service browser */
784
sb = avahi_s_service_browser_new(server, if_index,
979
785
AVAHI_PROTO_INET6,
980
786
"_mandos._tcp", NULL, 0,
981
browse_callback, &mc);
787
browse_callback, server);
983
789
fprintf(stderr, "Failed to create service browser: %s\n",
984
avahi_strerror(avahi_server_errno(mc.server)));
985
exitcode = EXIT_FAILURE;
790
avahi_strerror(avahi_server_errno(server)));
791
returncode = EXIT_FAILURE;
989
795
/* Run the main loop */
992
fprintf(stderr, "Starting Avahi loop search\n");
798
fprintf(stderr, "Starting avahi loop search\n");
995
avahi_simple_poll_loop(mc.simple_poll);
801
avahi_simple_poll_loop(simple_poll);
1000
806
fprintf(stderr, "%s exiting\n", argv[0]);
1003
809
/* Cleanup things */
1005
811
avahi_s_service_browser_free(sb);
1007
if (mc.server != NULL)
1008
avahi_server_free(mc.server);
1010
if (mc.simple_poll != NULL)
1011
avahi_simple_poll_free(mc.simple_poll);
1015
if (gnutls_initalized){
1016
gnutls_certificate_free_credentials (mc.cred);
1017
gnutls_global_deinit ();
814
avahi_server_free(server);
817
avahi_simple_poll_free(simple_poll);