64
62
#include <string.h> /* memset */
65
63
#include <arpa/inet.h> /* inet_pton() */
66
64
#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
67
#include <errno.h> /* perror() */
74
#define CERT_ROOT "/conf/conf.d/cryptkeyreq/"
76
#define CERTFILE CERT_ROOT "openpgp-client.txt"
77
#define KEYFILE CERT_ROOT "openpgp-client-key.txt"
75
78
#define BUFFER_SIZE 256
77
81
bool debug = false;
78
static const char *keydir = "/conf/conf.d/mandos";
79
const char *argp_program_version = "mandosclient 0.9";
80
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
81
static const char mandos_protocol_version[] = "1";
83
/* Used for passing in values through the Avahi callback functions */
85
AvahiSimplePoll *simple_poll;
84
gnutls_session_t session;
87
85
gnutls_certificate_credentials_t cred;
89
86
gnutls_dh_params_t dh_params;
93
/* Make room in "buffer" for at least BUFFER_SIZE additional bytes.
94
* "buffer_capacity" is how much is currently allocated,
95
* "buffer_length" is how much is already used. */
96
size_t adjustbuffer(char **buffer, size_t buffer_length,
97
size_t buffer_capacity){
98
if (buffer_length + BUFFER_SIZE > buffer_capacity){
99
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
103
buffer_capacity += BUFFER_SIZE;
105
return buffer_capacity;
109
* Decrypt OpenPGP data using keyrings in HOMEDIR.
110
* Returns -1 on error
112
static ssize_t pgp_packet_decrypt (const char *cryptotext,
115
const char *homedir){
90
ssize_t pgp_packet_decrypt (char *packet, size_t packet_size,
91
char **new_packet, const char *homedir){
116
92
gpgme_data_t dh_crypto, dh_plain;
120
size_t plaintext_capacity = 0;
121
ssize_t plaintext_length = 0;
96
ssize_t new_packet_capacity = 0;
97
ssize_t new_packet_length = 0;
122
98
gpgme_engine_info_t engine_info;
125
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
101
fprintf(stderr, "Trying to decrypt OpenPGP packet\n");
129
105
gpgme_check_version(NULL);
130
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
131
if (rc != GPG_ERR_NO_ERROR){
132
fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
133
gpgme_strsource(rc), gpgme_strerror(rc));
106
gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
137
/* Set GPGME home directory for the OpenPGP engine only */
108
/* Set GPGME home directory */
138
109
rc = gpgme_get_engine_info (&engine_info);
139
110
if (rc != GPG_ERR_NO_ERROR){
140
111
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
285
/* GnuTLS log function callback */
286
static void debuggnutls(__attribute__((unused)) int level,
288
fprintf(stderr, "GnuTLS: %s", string);
246
void debuggnutls(__attribute__((unused)) int level,
248
fprintf(stderr, "%s", string);
291
static int init_gnutls_global(mandos_context *mc,
292
const char *pubkeyfile,
293
const char *seckeyfile){
251
int initgnutls(encrypted_session *es){
297
256
fprintf(stderr, "Initializing GnuTLS\n");
300
259
if ((ret = gnutls_global_init ())
301
260
!= GNUTLS_E_SUCCESS) {
302
fprintf (stderr, "GnuTLS global_init: %s\n",
303
safer_gnutls_strerror(ret));
261
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
308
/* "Use a log level over 10 to enable all debugging options."
311
266
gnutls_global_set_log_level(11);
312
267
gnutls_global_set_log_function(debuggnutls);
315
/* OpenPGP credentials */
316
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
270
/* openpgp credentials */
271
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
317
272
!= GNUTLS_E_SUCCESS) {
318
fprintf (stderr, "GnuTLS memory error: %s\n",
273
fprintf (stderr, "memory error: %s\n",
319
274
safer_gnutls_strerror(ret));
324
279
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
325
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
280
" and keyfile %s as GnuTLS credentials\n", CERTFILE,
329
284
ret = gnutls_certificate_set_openpgp_key_file
330
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
285
(es->cred, CERTFILE, KEYFILE, GNUTLS_OPENPGP_FMT_BASE64);
331
286
if (ret != GNUTLS_E_SUCCESS) {
333
"Error[%d] while reading the OpenPGP key pair ('%s',"
334
" '%s')\n", ret, pubkeyfile, seckeyfile);
335
fprintf(stdout, "The GnuTLS error is: %s\n",
288
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s',"
290
ret, CERTFILE, KEYFILE);
291
fprintf(stdout, "The Error is: %s\n",
336
292
safer_gnutls_strerror(ret));
340
/* GnuTLS server initialization */
341
ret = gnutls_dh_params_init(&mc->dh_params);
342
if (ret != GNUTLS_E_SUCCESS) {
343
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
344
" %s\n", safer_gnutls_strerror(ret));
347
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
348
if (ret != GNUTLS_E_SUCCESS) {
349
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
350
safer_gnutls_strerror(ret));
354
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
359
static int init_gnutls_session(mandos_context *mc,
360
gnutls_session_t *session){
362
/* GnuTLS session creation */
363
ret = gnutls_init(session, GNUTLS_SERVER);
364
if (ret != GNUTLS_E_SUCCESS){
296
//GnuTLS server initialization
297
if ((ret = gnutls_dh_params_init (&es->dh_params))
298
!= GNUTLS_E_SUCCESS) {
299
fprintf (stderr, "Error in dh parameter initialization: %s\n",
300
safer_gnutls_strerror(ret));
304
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
305
!= GNUTLS_E_SUCCESS) {
306
fprintf (stderr, "Error in prime generation: %s\n",
307
safer_gnutls_strerror(ret));
311
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
313
// GnuTLS session creation
314
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
315
!= GNUTLS_E_SUCCESS){
365
316
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
366
317
safer_gnutls_strerror(ret));
371
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
372
if (ret != GNUTLS_E_SUCCESS) {
373
fprintf(stderr, "Syntax error at: %s\n", err);
374
fprintf(stderr, "GnuTLS error: %s\n",
375
safer_gnutls_strerror(ret));
320
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
321
!= GNUTLS_E_SUCCESS) {
322
fprintf(stderr, "Syntax error at: %s\n", err);
323
fprintf(stderr, "GnuTLS error: %s\n",
324
safer_gnutls_strerror(ret));
380
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
382
if (ret != GNUTLS_E_SUCCESS) {
383
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
328
if ((ret = gnutls_credentials_set
329
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
330
!= GNUTLS_E_SUCCESS) {
331
fprintf(stderr, "Error setting a credentials set: %s\n",
384
332
safer_gnutls_strerror(ret));
388
336
/* ignore client certificate if any. */
389
gnutls_certificate_server_set_request (*session,
337
gnutls_certificate_server_set_request (es->session,
390
338
GNUTLS_CERT_IGNORE);
392
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
340
gnutls_dh_set_prime_bits (es->session, DH_BITS);
397
/* Avahi log function callback */
398
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
399
__attribute__((unused)) const char *txt){}
345
void empty_log(__attribute__((unused)) AvahiLogLevel level,
346
__attribute__((unused)) const char *txt){}
401
/* Called when a Mandos server is found */
402
static int start_mandos_communication(const char *ip, uint16_t port,
403
AvahiIfIndex if_index,
348
int start_mandos_communication(char *ip, uint16_t port,
349
unsigned int if_index){
406
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
351
struct sockaddr_in6 to;
352
encrypted_session es;
407
353
char *buffer = NULL;
408
354
char *decrypted_buffer;
409
355
size_t buffer_length = 0;
410
356
size_t buffer_capacity = 0;
411
357
ssize_t decrypted_buffer_size;
414
359
char interface[IF_NAMESIZE];
415
gnutls_session_t session;
417
ret = init_gnutls_session (mc, &session);
423
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
362
fprintf(stderr, "Setting up a tcp connection to %s\n", ip);
427
365
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
429
367
perror("socket");
434
if(if_indextoname((unsigned int)if_index, interface) == NULL){
371
if(if_indextoname(if_index, interface) == NULL){
435
373
perror("if_indextoname");
438
379
fprintf(stderr, "Binding to interface %s\n", interface);
441
memset(&to,0,sizeof(to)); /* Spurious warning */
442
to.in6.sin6_family = AF_INET6;
443
/* It would be nice to have a way to detect if we were passed an
444
IPv4 address here. Now we assume an IPv6 address. */
445
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
382
ret = setsockopt(tcp_sd, SOL_SOCKET, SO_BINDTODEVICE, interface, 5);
384
perror("setsockopt bindtodevice");
388
memset(&to,0,sizeof(to));
389
to.sin6_family = AF_INET6;
390
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
447
392
perror("inet_pton");
451
396
fprintf(stderr, "Bad address: %s\n", ip);
454
to.in6.sin6_port = htons(port); /* Spurious warning */
399
/* Spurious warnings for the next line, see for instance
400
<http://bugs.debian.org/488884> */
401
to.sin6_port = htons(port);
456
to.in6.sin6_scope_id = (uint32_t)if_index;
403
to.sin6_scope_id = (uint32_t)if_index;
459
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
460
char addrstr[INET6_ADDRSTRLEN] = "";
461
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
462
sizeof(addrstr)) == NULL){
465
if(strcmp(addrstr, ip) != 0){
466
fprintf(stderr, "Canonical address form: %s\n", addrstr);
406
fprintf(stderr, "Connection to: %s\n", ip);
471
ret = connect(tcp_sd, &to.in, sizeof(to));
409
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
473
411
perror("connect");
477
const char *out = mandos_protocol_version;
480
size_t out_size = strlen(out);
481
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
482
out_size - written));
488
written += (size_t)ret;
489
if(written < out_size){
492
if (out == mandos_protocol_version){
415
ret = initgnutls (&es);
421
gnutls_transport_set_ptr (es.session,
422
(gnutls_transport_ptr_t) tcp_sd);
502
425
fprintf(stderr, "Establishing TLS session with %s\n", ip);
505
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
507
ret = gnutls_handshake (session);
428
ret = gnutls_handshake (es.session);
509
430
if (ret != GNUTLS_E_SUCCESS){
511
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
431
fprintf(stderr, "\n*** Handshake failed ***\n");
518
/* Read OpenPGP packet that contains the wanted password */
437
//Retrieve OpenPGP packet that contains the wanted password
521
440
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
590
written += (size_t)ret;
502
decrypted_buffer += ret;
503
decrypted_buffer_size -= ret;
592
505
free(decrypted_buffer);
598
/* Shutdown procedure */
514
fprintf(stderr, "Closing TLS session\n");
518
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
603
gnutls_deinit (session);
604
gnutls_certificate_free_credentials (mc->cred);
521
gnutls_deinit (es.session);
522
gnutls_certificate_free_credentials (es.cred);
605
523
gnutls_global_deinit ();
609
static void resolve_callback(AvahiSServiceResolver *r,
610
AvahiIfIndex interface,
611
AVAHI_GCC_UNUSED AvahiProtocol protocol,
612
AvahiResolverEvent event,
616
const char *host_name,
617
const AvahiAddress *address,
619
AVAHI_GCC_UNUSED AvahiStringList *txt,
620
AVAHI_GCC_UNUSED AvahiLookupResultFlags
623
mandos_context *mc = userdata;
624
assert(r); /* Spurious warning */
527
static AvahiSimplePoll *simple_poll = NULL;
528
static AvahiServer *server = NULL;
530
static void resolve_callback(
531
AvahiSServiceResolver *r,
532
AVAHI_GCC_UNUSED AvahiIfIndex interface,
533
AVAHI_GCC_UNUSED AvahiProtocol protocol,
534
AvahiResolverEvent event,
538
const char *host_name,
539
const AvahiAddress *address,
541
AVAHI_GCC_UNUSED AvahiStringList *txt,
542
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
543
AVAHI_GCC_UNUSED void* userdata) {
626
547
/* Called whenever a service has been resolved successfully or
631
552
case AVAHI_RESOLVER_FAILURE:
632
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
633
" of type '%s' in domain '%s': %s\n", name, type, domain,
634
avahi_strerror(avahi_server_errno(mc->server)));
553
fprintf(stderr, "(Resolver) Failed to resolve service '%s' of"
554
" type '%s' in domain '%s': %s\n", name, type, domain,
555
avahi_strerror(avahi_server_errno(server)));
637
558
case AVAHI_RESOLVER_FOUND:
639
560
char ip[AVAHI_ADDRESS_STR_MAX];
640
561
avahi_address_snprint(ip, sizeof(ip), address);
642
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
643
" port %d\n", name, host_name, ip, interface, port);
563
fprintf(stderr, "Mandos server found on %s (%s) on port %d\n",
564
host_name, ip, port);
645
int ret = start_mandos_communication(ip, port, interface, mc);
566
int ret = start_mandos_communication(ip, port,
647
570
exit(EXIT_SUCCESS);
651
576
avahi_s_service_resolver_free(r);
654
static void browse_callback( AvahiSServiceBrowser *b,
655
AvahiIfIndex interface,
656
AvahiProtocol protocol,
657
AvahiBrowserEvent event,
661
AVAHI_GCC_UNUSED AvahiLookupResultFlags
664
mandos_context *mc = userdata;
665
assert(b); /* Spurious warning */
667
/* Called whenever a new services becomes available on the LAN or
668
is removed from the LAN */
672
case AVAHI_BROWSER_FAILURE:
674
fprintf(stderr, "(Avahi browser) %s\n",
675
avahi_strerror(avahi_server_errno(mc->server)));
676
avahi_simple_poll_quit(mc->simple_poll);
679
case AVAHI_BROWSER_NEW:
680
/* We ignore the returned Avahi resolver object. In the callback
681
function we free it. If the Avahi server is terminated before
682
the callback function is called the Avahi server will free the
685
if (!(avahi_s_service_resolver_new(mc->server, interface,
686
protocol, name, type, domain,
687
AVAHI_PROTO_INET6, 0,
688
resolve_callback, mc)))
689
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
690
name, avahi_strerror(avahi_server_errno(mc->server)));
693
case AVAHI_BROWSER_REMOVE:
696
case AVAHI_BROWSER_ALL_FOR_NOW:
697
case AVAHI_BROWSER_CACHE_EXHAUSTED:
699
fprintf(stderr, "No Mandos server found, still searching...\n");
579
static void browse_callback(
580
AvahiSServiceBrowser *b,
581
AvahiIfIndex interface,
582
AvahiProtocol protocol,
583
AvahiBrowserEvent event,
587
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
590
AvahiServer *s = userdata;
593
/* Called whenever a new services becomes available on the LAN or
594
is removed from the LAN */
598
case AVAHI_BROWSER_FAILURE:
600
fprintf(stderr, "(Browser) %s\n",
601
avahi_strerror(avahi_server_errno(server)));
602
avahi_simple_poll_quit(simple_poll);
605
case AVAHI_BROWSER_NEW:
606
/* We ignore the returned resolver object. In the callback
607
function we free it. If the server is terminated before
608
the callback function is called the server will free
609
the resolver for us. */
611
if (!(avahi_s_service_resolver_new(s, interface, protocol, name,
613
AVAHI_PROTO_INET6, 0,
614
resolve_callback, s)))
615
fprintf(stderr, "Failed to resolve service '%s': %s\n", name,
616
avahi_strerror(avahi_server_errno(s)));
619
case AVAHI_BROWSER_REMOVE:
622
case AVAHI_BROWSER_ALL_FOR_NOW:
623
case AVAHI_BROWSER_CACHE_EXHAUSTED:
705
/* Combines file name and path and returns the malloced new
706
string. some sane checks could/should be added */
707
static const char *combinepath(const char *first, const char *second){
708
size_t f_len = strlen(first);
709
size_t s_len = strlen(second);
710
char *tmp = malloc(f_len + s_len + 2);
715
memcpy(tmp, first, f_len); /* Spurious warning */
719
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
721
tmp[f_len + 1 + s_len] = '\0';
726
int main(int argc, char *argv[]){
628
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
629
AvahiServerConfig config;
727
630
AvahiSServiceBrowser *sb = NULL;
730
int exitcode = EXIT_SUCCESS;
633
int returncode = EXIT_SUCCESS;
731
634
const char *interface = "eth0";
732
struct ifreq network;
736
char *connect_to = NULL;
737
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
738
const char *pubkeyfile = "pubkey.txt";
739
const char *seckeyfile = "seckey.txt";
740
mandos_context mc = { .simple_poll = NULL, .server = NULL,
741
.dh_bits = 1024, .priority = "SECURE256"};
744
struct argp_option options[] = {
745
{ .name = "debug", .key = 128,
746
.doc = "Debug mode", .group = 3 },
747
{ .name = "connect", .key = 'c',
749
.doc = "Connect directly to a sepcified mandos server",
751
{ .name = "interface", .key = 'i',
753
.doc = "Interface that Avahi will conntect through",
755
{ .name = "keydir", .key = 'd',
757
.doc = "Directory where the openpgp keyring is",
759
{ .name = "seckey", .key = 's',
761
.doc = "Secret openpgp key for gnutls authentication",
763
{ .name = "pubkey", .key = 'p',
765
.doc = "Public openpgp key for gnutls authentication",
767
{ .name = "dh-bits", .key = 129,
769
.doc = "dh-bits to use in gnutls communication",
771
{ .name = "priority", .key = 130,
773
.doc = "GNUTLS priority", .group = 1 },
778
error_t parse_opt (int key, char *arg,
779
struct argp_state *state) {
780
/* Get the INPUT argument from `argp_parse', which we know is
781
a pointer to our plugin list pointer. */
803
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
818
return ARGP_ERR_UNKNOWN;
823
struct argp argp = { .options = options, .parser = parse_opt,
825
.doc = "Mandos client -- Get and decrypt"
826
" passwords from mandos server" };
827
argp_parse (&argp, argc, argv, 0, 0, NULL);
830
pubkeyfile = combinepath(keydir, pubkeyfile);
831
if (pubkeyfile == NULL){
832
perror("combinepath");
833
exitcode = EXIT_FAILURE;
837
seckeyfile = combinepath(keydir, seckeyfile);
838
if (seckeyfile == NULL){
839
perror("combinepath");
843
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
845
fprintf(stderr, "init_gnutls_global\n");
862
if_index = (AvahiIfIndex) if_nametoindex(interface);
864
fprintf(stderr, "No such interface: \"%s\"\n", interface);
868
if(connect_to != NULL){
869
/* Connect directly, do not use Zeroconf */
870
/* (Mainly meant for debugging) */
871
char *address = strrchr(connect_to, ':');
873
fprintf(stderr, "No colon in address\n");
874
exitcode = EXIT_FAILURE;
878
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
880
perror("Bad port number");
881
exitcode = EXIT_FAILURE;
885
address = connect_to;
886
ret = start_mandos_communication(address, port, if_index, &mc);
888
exitcode = EXIT_FAILURE;
890
exitcode = EXIT_SUCCESS;
895
/* If the interface is down, bring it up */
897
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
900
exitcode = EXIT_FAILURE;
903
strcpy(network.ifr_name, interface); /* Spurious warning */
904
ret = ioctl(sd, SIOCGIFFLAGS, &network);
906
perror("ioctl SIOCGIFFLAGS");
907
exitcode = EXIT_FAILURE;
910
if((network.ifr_flags & IFF_UP) == 0){
911
network.ifr_flags |= IFF_UP;
912
ret = ioctl(sd, SIOCSIFFLAGS, &network);
914
perror("ioctl SIOCSIFFLAGS");
915
exitcode = EXIT_FAILURE;
637
static struct option long_options[] = {
638
{"debug", no_argument, (int *)&debug, 1},
639
{"interface", required_argument, 0, 'i'},
642
int option_index = 0;
643
ret = getopt_long (argc, argv, "i:", long_options,
923
662
avahi_set_log_function(empty_log);
926
/* Initialize the pseudo-RNG for Avahi */
665
/* Initialize the psuedo-RNG */
927
666
srand((unsigned int) time(NULL));
929
/* Allocate main Avahi loop object */
930
mc.simple_poll = avahi_simple_poll_new();
931
if (mc.simple_poll == NULL) {
932
fprintf(stderr, "Avahi: Failed to create simple poll"
934
exitcode = EXIT_FAILURE;
939
AvahiServerConfig config;
940
/* Do not publish any local Zeroconf records */
941
avahi_server_config_init(&config);
942
config.publish_hinfo = 0;
943
config.publish_addresses = 0;
944
config.publish_workstation = 0;
945
config.publish_domain = 0;
947
/* Allocate a new server */
948
mc.server = avahi_server_new(avahi_simple_poll_get
949
(mc.simple_poll), &config, NULL,
952
/* Free the Avahi configuration data */
953
avahi_server_config_free(&config);
956
/* Check if creating the Avahi server object succeeded */
957
if (mc.server == NULL) {
958
fprintf(stderr, "Failed to create Avahi server: %s\n",
668
/* Allocate main loop object */
669
if (!(simple_poll = avahi_simple_poll_new())) {
670
fprintf(stderr, "Failed to create simple poll object.\n");
675
/* Do not publish any local records */
676
avahi_server_config_init(&config);
677
config.publish_hinfo = 0;
678
config.publish_addresses = 0;
679
config.publish_workstation = 0;
680
config.publish_domain = 0;
682
/* Allocate a new server */
683
server = avahi_server_new(avahi_simple_poll_get(simple_poll),
684
&config, NULL, NULL, &error);
686
/* Free the configuration data */
687
avahi_server_config_free(&config);
689
/* Check if creating the server object succeeded */
691
fprintf(stderr, "Failed to create server: %s\n",
959
692
avahi_strerror(error));
960
exitcode = EXIT_FAILURE;
693
returncode = EXIT_FAILURE;
964
/* Create the Avahi service browser */
965
sb = avahi_s_service_browser_new(mc.server, if_index,
697
/* Create the service browser */
698
sb = avahi_s_service_browser_new(server,
700
if_nametoindex(interface),
966
701
AVAHI_PROTO_INET6,
967
702
"_mandos._tcp", NULL, 0,
968
browse_callback, &mc);
703
browse_callback, server);
970
705
fprintf(stderr, "Failed to create service browser: %s\n",
971
avahi_strerror(avahi_server_errno(mc.server)));
972
exitcode = EXIT_FAILURE;
706
avahi_strerror(avahi_server_errno(server)));
707
returncode = EXIT_FAILURE;
976
711
/* Run the main loop */
979
fprintf(stderr, "Starting Avahi loop search\n");
714
fprintf(stderr, "Starting avahi loop search\n");
982
avahi_simple_poll_loop(mc.simple_poll);
717
avahi_simple_poll_loop(simple_poll);
987
722
fprintf(stderr, "%s exiting\n", argv[0]);
990
725
/* Cleanup things */
992
727
avahi_s_service_browser_free(sb);
994
if (mc.server != NULL)
995
avahi_server_free(mc.server);
997
if (mc.simple_poll != NULL)
998
avahi_simple_poll_free(mc.simple_poll);
730
avahi_server_free(server);
733
avahi_simple_poll_free(simple_poll);