25
25
* along with this program. If not, see
26
26
* <http://www.gnu.org/licenses/>.
28
* Contact the authors at <https://www.fukt.bsnet.se/~belorn/> and
29
* <https://www.fukt.bsnet.se/~teddy/>.
28
* Contact the authors at <mandos@fukt.bsnet.se>.
32
#define _FORTIFY_SOURCE 2
31
/* Needed by GPGME, specifically gpgme_data_seek() */
34
32
#define _LARGEFILE_SOURCE
35
33
#define _FILE_OFFSET_BITS 64
41
#include <net/if.h> /* if_nametoindex */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
39
#include <stdint.h> /* uint16_t, uint32_t */
40
#include <stddef.h> /* NULL, size_t, ssize_t */
41
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
43
#include <stdbool.h> /* bool, true */
44
#include <string.h> /* memset(), strcmp(), strlen(),
45
strerror(), memcpy(), strcpy() */
46
#include <sys/ioctl.h> /* ioctl */
47
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
48
sockaddr_in6, PF_INET6,
49
SOCK_STREAM, INET6_ADDRSTRLEN,
51
#include <inttypes.h> /* PRIu16 */
52
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
53
struct in6_addr, inet_pton(),
55
#include <assert.h> /* assert() */
56
#include <errno.h> /* perror(), errno */
57
#include <time.h> /* time() */
58
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
59
SIOCSIFFLAGS, if_indextoname(),
60
if_nametoindex(), IF_NAMESIZE */
61
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
62
getuid(), getgid(), setuid(),
64
#include <netinet/in.h>
65
#include <arpa/inet.h> /* inet_pton(), htons */
66
#include <iso646.h> /* not, and */
67
#include <argp.h> /* struct argp_option, error_t, struct
68
argp_state, struct argp,
69
argp_parse(), ARGP_KEY_ARG,
70
ARGP_KEY_END, ARGP_ERR_UNKNOWN */
73
/* All Avahi types, constants and functions
43
76
#include <avahi-core/core.h>
44
77
#include <avahi-core/lookup.h>
45
78
#include <avahi-core/log.h>
47
80
#include <avahi-common/malloc.h>
48
81
#include <avahi-common/error.h>
51
#include <sys/types.h> /* socket(), inet_pton() */
52
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
53
struct in6_addr, inet_pton() */
54
#include <gnutls/gnutls.h> /* All GnuTLS stuff */
55
#include <gnutls/openpgp.h> /* GnuTLS with openpgp stuff */
57
#include <unistd.h> /* close() */
58
#include <netinet/in.h>
59
#include <stdbool.h> /* true */
60
#include <string.h> /* memset */
61
#include <arpa/inet.h> /* inet_pton() */
62
#include <iso646.h> /* not */
65
#include <errno.h> /* perror() */
84
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and functions
86
init_gnutls_session(),
88
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
89
GNUTLS_OPENPGP_FMT_BASE64 */
92
#include <gpgme.h> /* All GPGME types, constants and functions
94
GPGME_PROTOCOL_OpenPGP,
71
97
#define BUFFER_SIZE 256
74
const char *certdir = "/conf/conf.d/cryptkeyreq/";
75
const char *certfile = "openpgp-client.txt";
76
const char *certkey = "openpgp-client-key.txt";
78
99
bool debug = false;
100
static const char *keydir = "/conf/conf.d/mandos";
101
static const char mandos_protocol_version[] = "1";
102
const char *argp_program_version = "password-request 1.0";
103
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
105
/* Used for passing in values through the Avahi callback functions */
81
gnutls_session_t session;
107
AvahiSimplePoll *simple_poll;
82
109
gnutls_certificate_credentials_t cred;
110
unsigned int dh_bits;
83
111
gnutls_dh_params_t dh_params;
87
ssize_t pgp_packet_decrypt (char *packet, size_t packet_size,
88
char **new_packet, const char *homedir){
112
const char *priority;
116
* Make room in "buffer" for at least BUFFER_SIZE additional bytes.
117
* "buffer_capacity" is how much is currently allocated,
118
* "buffer_length" is how much is already used.
120
size_t adjustbuffer(char **buffer, size_t buffer_length,
121
size_t buffer_capacity){
122
if (buffer_length + BUFFER_SIZE > buffer_capacity){
123
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
127
buffer_capacity += BUFFER_SIZE;
129
return buffer_capacity;
133
* Decrypt OpenPGP data using keyrings in HOMEDIR.
134
* Returns -1 on error
136
static ssize_t pgp_packet_decrypt (const char *cryptotext,
139
const char *homedir){
89
140
gpgme_data_t dh_crypto, dh_plain;
93
ssize_t new_packet_capacity = 0;
94
ssize_t new_packet_length = 0;
144
size_t plaintext_capacity = 0;
145
ssize_t plaintext_length = 0;
95
146
gpgme_engine_info_t engine_info;
98
fprintf(stderr, "Trying to decrypt OpenPGP packet\n");
149
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
248
void debuggnutls(__attribute__((unused)) int level,
250
fprintf(stderr, "%s", string);
309
/* GnuTLS log function callback */
310
static void debuggnutls(__attribute__((unused)) int level,
312
fprintf(stderr, "GnuTLS: %s", string);
253
int initgnutls(encrypted_session *es){
315
static int init_gnutls_global(mandos_context *mc,
316
const char *pubkeyfile,
317
const char *seckeyfile){
258
321
fprintf(stderr, "Initializing GnuTLS\n");
261
if ((ret = gnutls_global_init ())
262
!= GNUTLS_E_SUCCESS) {
263
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
324
ret = gnutls_global_init();
325
if (ret != GNUTLS_E_SUCCESS) {
326
fprintf (stderr, "GnuTLS global_init: %s\n",
327
safer_gnutls_strerror(ret));
332
/* "Use a log level over 10 to enable all debugging options."
268
335
gnutls_global_set_log_level(11);
269
336
gnutls_global_set_log_function(debuggnutls);
272
/* openpgp credentials */
273
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
274
!= GNUTLS_E_SUCCESS) {
275
fprintf (stderr, "memory error: %s\n",
339
/* OpenPGP credentials */
340
gnutls_certificate_allocate_credentials(&mc->cred);
341
if (ret != GNUTLS_E_SUCCESS){
342
fprintf (stderr, "GnuTLS memory error: %s\n",
276
343
safer_gnutls_strerror(ret));
344
gnutls_global_deinit ();
281
349
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
282
" and keyfile %s as GnuTLS credentials\n", certfile,
350
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
286
354
ret = gnutls_certificate_set_openpgp_key_file
287
(es->cred, certfile, certkey, GNUTLS_OPENPGP_FMT_BASE64);
355
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
288
356
if (ret != GNUTLS_E_SUCCESS) {
290
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s',"
292
ret, certfile, certkey);
293
fprintf(stdout, "The Error is: %s\n",
358
"Error[%d] while reading the OpenPGP key pair ('%s',"
359
" '%s')\n", ret, pubkeyfile, seckeyfile);
360
fprintf(stdout, "The GnuTLS error is: %s\n",
294
361
safer_gnutls_strerror(ret));
298
//GnuTLS server initialization
299
if ((ret = gnutls_dh_params_init (&es->dh_params))
300
!= GNUTLS_E_SUCCESS) {
301
fprintf (stderr, "Error in dh parameter initialization: %s\n",
302
safer_gnutls_strerror(ret));
306
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
307
!= GNUTLS_E_SUCCESS) {
308
fprintf (stderr, "Error in prime generation: %s\n",
309
safer_gnutls_strerror(ret));
313
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
315
// GnuTLS session creation
316
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
317
!= GNUTLS_E_SUCCESS){
365
/* GnuTLS server initialization */
366
ret = gnutls_dh_params_init(&mc->dh_params);
367
if (ret != GNUTLS_E_SUCCESS) {
368
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
369
" %s\n", safer_gnutls_strerror(ret));
372
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
373
if (ret != GNUTLS_E_SUCCESS) {
374
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
375
safer_gnutls_strerror(ret));
379
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
385
gnutls_certificate_free_credentials(mc->cred);
386
gnutls_global_deinit();
391
static int init_gnutls_session(mandos_context *mc,
392
gnutls_session_t *session){
394
/* GnuTLS session creation */
395
ret = gnutls_init(session, GNUTLS_SERVER);
396
if (ret != GNUTLS_E_SUCCESS){
318
397
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
319
398
safer_gnutls_strerror(ret));
322
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
323
!= GNUTLS_E_SUCCESS) {
324
fprintf(stderr, "Syntax error at: %s\n", err);
325
fprintf(stderr, "GnuTLS error: %s\n",
326
safer_gnutls_strerror(ret));
403
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
404
if (ret != GNUTLS_E_SUCCESS) {
405
fprintf(stderr, "Syntax error at: %s\n", err);
406
fprintf(stderr, "GnuTLS error: %s\n",
407
safer_gnutls_strerror(ret));
408
gnutls_deinit (*session);
330
if ((ret = gnutls_credentials_set
331
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
332
!= GNUTLS_E_SUCCESS) {
333
fprintf(stderr, "Error setting a credentials set: %s\n",
413
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
415
if (ret != GNUTLS_E_SUCCESS) {
416
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
334
417
safer_gnutls_strerror(ret));
418
gnutls_deinit (*session);
338
422
/* ignore client certificate if any. */
339
gnutls_certificate_server_set_request (es->session,
423
gnutls_certificate_server_set_request (*session,
340
424
GNUTLS_CERT_IGNORE);
342
gnutls_dh_set_prime_bits (es->session, DH_BITS);
426
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
347
void empty_log(__attribute__((unused)) AvahiLogLevel level,
348
__attribute__((unused)) const char *txt){}
431
/* Avahi log function callback */
432
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
433
__attribute__((unused)) const char *txt){}
350
int start_mandos_communication(const char *ip, uint16_t port,
351
unsigned int if_index){
435
/* Called when a Mandos server is found */
436
static int start_mandos_communication(const char *ip, uint16_t port,
437
AvahiIfIndex if_index,
353
struct sockaddr_in6 to;
354
encrypted_session es;
440
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
355
441
char *buffer = NULL;
356
442
char *decrypted_buffer;
357
443
size_t buffer_length = 0;
358
444
size_t buffer_capacity = 0;
359
445
ssize_t decrypted_buffer_size;
362
448
char interface[IF_NAMESIZE];
449
gnutls_session_t session;
451
ret = init_gnutls_session (mc, &session);
365
fprintf(stderr, "Setting up a tcp connection to %s\n", ip);
457
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
368
461
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
370
463
perror("socket");
374
if(if_indextoname(if_index, interface) == NULL){
468
if(if_indextoname((unsigned int)if_index, interface) == NULL){
376
469
perror("if_indextoname");
382
472
fprintf(stderr, "Binding to interface %s\n", interface);
385
475
memset(&to,0,sizeof(to)); /* Spurious warning */
386
to.sin6_family = AF_INET6;
387
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
476
to.in6.sin6_family = AF_INET6;
477
/* It would be nice to have a way to detect if we were passed an
478
IPv4 address here. Now we assume an IPv6 address. */
479
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
389
481
perror("inet_pton");
393
485
fprintf(stderr, "Bad address: %s\n", ip);
396
to.sin6_port = htons(port); /* Spurious warning */
488
to.in6.sin6_port = htons(port); /* Spurious warning */
398
to.sin6_scope_id = (uint32_t)if_index;
490
to.in6.sin6_scope_id = (uint32_t)if_index;
401
fprintf(stderr, "Connection to: %s\n", ip);
493
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
495
char addrstr[INET6_ADDRSTRLEN] = "";
496
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
497
sizeof(addrstr)) == NULL){
500
if(strcmp(addrstr, ip) != 0){
501
fprintf(stderr, "Canonical address form: %s\n", addrstr);
404
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
506
ret = connect(tcp_sd, &to.in, sizeof(to));
406
508
perror("connect");
410
ret = initgnutls (&es);
512
const char *out = mandos_protocol_version;
515
size_t out_size = strlen(out);
516
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
517
out_size - written));
523
written += (size_t)ret;
524
if(written < out_size){
527
if (out == mandos_protocol_version){
416
gnutls_transport_set_ptr (es.session,
417
(gnutls_transport_ptr_t) tcp_sd);
420
537
fprintf(stderr, "Establishing TLS session with %s\n", ip);
423
ret = gnutls_handshake (es.session);
540
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
543
ret = gnutls_handshake (session);
544
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
425
546
if (ret != GNUTLS_E_SUCCESS){
427
fprintf(stderr, "\n*** Handshake failed ***\n");
548
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
428
549
gnutls_perror (ret);
434
//Retrieve OpenPGP packet that contains the wanted password
555
/* Read OpenPGP packet that contains the wanted password */
437
558
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
570
689
avahi_s_service_resolver_free(r);
573
static void browse_callback(
574
AvahiSServiceBrowser *b,
575
AvahiIfIndex interface,
576
AvahiProtocol protocol,
577
AvahiBrowserEvent event,
581
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
584
AvahiServer *s = userdata;
585
assert(b); /* Spurious warning */
587
/* Called whenever a new services becomes available on the LAN or
588
is removed from the LAN */
592
case AVAHI_BROWSER_FAILURE:
594
fprintf(stderr, "(Browser) %s\n",
595
avahi_strerror(avahi_server_errno(server)));
596
avahi_simple_poll_quit(simple_poll);
599
case AVAHI_BROWSER_NEW:
600
/* We ignore the returned resolver object. In the callback
601
function we free it. If the server is terminated before
602
the callback function is called the server will free
603
the resolver for us. */
605
if (!(avahi_s_service_resolver_new(s, interface, protocol, name,
607
AVAHI_PROTO_INET6, 0,
608
resolve_callback, s)))
609
fprintf(stderr, "Failed to resolve service '%s': %s\n", name,
610
avahi_strerror(avahi_server_errno(s)));
613
case AVAHI_BROWSER_REMOVE:
616
case AVAHI_BROWSER_ALL_FOR_NOW:
617
case AVAHI_BROWSER_CACHE_EXHAUSTED:
692
static void browse_callback( AvahiSServiceBrowser *b,
693
AvahiIfIndex interface,
694
AvahiProtocol protocol,
695
AvahiBrowserEvent event,
699
AVAHI_GCC_UNUSED AvahiLookupResultFlags
702
mandos_context *mc = userdata;
703
assert(b); /* Spurious warning */
705
/* Called whenever a new services becomes available on the LAN or
706
is removed from the LAN */
710
case AVAHI_BROWSER_FAILURE:
712
fprintf(stderr, "(Avahi browser) %s\n",
713
avahi_strerror(avahi_server_errno(mc->server)));
714
avahi_simple_poll_quit(mc->simple_poll);
717
case AVAHI_BROWSER_NEW:
718
/* We ignore the returned Avahi resolver object. In the callback
719
function we free it. If the Avahi server is terminated before
720
the callback function is called the Avahi server will free the
723
if (!(avahi_s_service_resolver_new(mc->server, interface,
724
protocol, name, type, domain,
725
AVAHI_PROTO_INET6, 0,
726
resolve_callback, mc)))
727
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
728
name, avahi_strerror(avahi_server_errno(mc->server)));
731
case AVAHI_BROWSER_REMOVE:
734
case AVAHI_BROWSER_ALL_FOR_NOW:
735
case AVAHI_BROWSER_CACHE_EXHAUSTED:
737
fprintf(stderr, "No Mandos server found, still searching...\n");
622
/* combinds two strings and returns the malloced new string. som sane checks could/should be added */
623
const char *combinestrings(const char *first, const char *second){
625
tmp = malloc(strlen(first) + strlen(second));
743
/* Combines file name and path and returns the malloced new
744
string. some sane checks could/should be added */
745
static const char *combinepath(const char *first, const char *second){
746
size_t f_len = strlen(first);
747
size_t s_len = strlen(second);
748
char *tmp = malloc(f_len + s_len + 2);
626
749
if (tmp == NULL){
753
memcpy(tmp, first, f_len); /* Spurious warning */
757
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
759
tmp[f_len + 1 + s_len] = '\0';
636
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
637
AvahiServerConfig config;
764
int main(int argc, char *argv[]){
638
765
AvahiSServiceBrowser *sb = NULL;
641
int returncode = EXIT_SUCCESS;
768
int exitcode = EXIT_SUCCESS;
642
769
const char *interface = "eth0";
645
static struct option long_options[] = {
646
{"debug", no_argument, (int *)&debug, 1},
647
{"interface", required_argument, 0, 'i'},
648
{"certdir", required_argument, 0, 'd'},
649
{"certkey", required_argument, 0, 'c'},
650
{"certfile", required_argument, 0, 'k'},
653
int option_index = 0;
654
ret = getopt_long (argc, argv, "i:", long_options,
681
certfile = combinestrings(certdir, certfile);
682
if (certfile == NULL){
686
certkey = combinestrings(certdir, certkey);
687
if (certkey == NULL){
770
struct ifreq network;
774
char *connect_to = NULL;
775
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
776
const char *pubkeyfile = "pubkey.txt";
777
const char *seckeyfile = "seckey.txt";
778
mandos_context mc = { .simple_poll = NULL, .server = NULL,
779
.dh_bits = 1024, .priority = "SECURE256"};
780
bool gnutls_initalized = false;
783
struct argp_option options[] = {
784
{ .name = "debug", .key = 128,
785
.doc = "Debug mode", .group = 3 },
786
{ .name = "connect", .key = 'c',
788
.doc = "Connect directly to a sepcified mandos server",
790
{ .name = "interface", .key = 'i',
792
.doc = "Interface that Avahi will conntect through",
794
{ .name = "keydir", .key = 'd',
796
.doc = "Directory where the openpgp keyring is",
798
{ .name = "seckey", .key = 's',
800
.doc = "Secret openpgp key for gnutls authentication",
802
{ .name = "pubkey", .key = 'p',
804
.doc = "Public openpgp key for gnutls authentication",
806
{ .name = "dh-bits", .key = 129,
808
.doc = "dh-bits to use in gnutls communication",
810
{ .name = "priority", .key = 130,
812
.doc = "GNUTLS priority", .group = 1 },
817
error_t parse_opt (int key, char *arg,
818
struct argp_state *state) {
819
/* Get the INPUT argument from `argp_parse', which we know is
820
a pointer to our plugin list pointer. */
842
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
857
return ARGP_ERR_UNKNOWN;
862
struct argp argp = { .options = options, .parser = parse_opt,
864
.doc = "Mandos client -- Get and decrypt"
865
" passwords from mandos server" };
866
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
867
if (ret == ARGP_ERR_UNKNOWN){
868
fprintf(stderr, "Unknown error while parsing arguments\n");
869
exitcode = EXIT_FAILURE;
874
pubkeyfile = combinepath(keydir, pubkeyfile);
875
if (pubkeyfile == NULL){
876
perror("combinepath");
877
exitcode = EXIT_FAILURE;
881
seckeyfile = combinepath(keydir, seckeyfile);
882
if (seckeyfile == NULL){
883
perror("combinepath");
884
exitcode = EXIT_FAILURE;
888
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
890
fprintf(stderr, "init_gnutls_global failed\n");
891
exitcode = EXIT_FAILURE;
894
gnutls_initalized = true;
897
/* If the interface is down, bring it up */
899
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
902
exitcode = EXIT_FAILURE;
905
strcpy(network.ifr_name, interface); /* Spurious warning */
906
ret = ioctl(sd, SIOCGIFFLAGS, &network);
908
perror("ioctl SIOCGIFFLAGS");
909
exitcode = EXIT_FAILURE;
912
if((network.ifr_flags & IFF_UP) == 0){
913
network.ifr_flags |= IFF_UP;
914
ret = ioctl(sd, SIOCSIFFLAGS, &network);
916
perror("ioctl SIOCSIFFLAGS");
917
exitcode = EXIT_FAILURE;
937
if_index = (AvahiIfIndex) if_nametoindex(interface);
939
fprintf(stderr, "No such interface: \"%s\"\n", interface);
943
if(connect_to != NULL){
944
/* Connect directly, do not use Zeroconf */
945
/* (Mainly meant for debugging) */
946
char *address = strrchr(connect_to, ':');
948
fprintf(stderr, "No colon in address\n");
949
exitcode = EXIT_FAILURE;
953
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
955
perror("Bad port number");
956
exitcode = EXIT_FAILURE;
960
address = connect_to;
961
ret = start_mandos_communication(address, port, if_index, &mc);
963
exitcode = EXIT_FAILURE;
965
exitcode = EXIT_SUCCESS;
692
971
avahi_set_log_function(empty_log);
695
/* Initialize the psuedo-RNG */
974
/* Initialize the pseudo-RNG for Avahi */
696
975
srand((unsigned int) time(NULL));
698
/* Allocate main loop object */
699
if (!(simple_poll = avahi_simple_poll_new())) {
700
fprintf(stderr, "Failed to create simple poll object.\n");
705
/* Do not publish any local records */
706
avahi_server_config_init(&config);
707
config.publish_hinfo = 0;
708
config.publish_addresses = 0;
709
config.publish_workstation = 0;
710
config.publish_domain = 0;
712
/* Allocate a new server */
713
server = avahi_server_new(avahi_simple_poll_get(simple_poll),
714
&config, NULL, NULL, &error);
716
/* Free the configuration data */
717
avahi_server_config_free(&config);
719
/* Check if creating the server object succeeded */
721
fprintf(stderr, "Failed to create server: %s\n",
977
/* Allocate main Avahi loop object */
978
mc.simple_poll = avahi_simple_poll_new();
979
if (mc.simple_poll == NULL) {
980
fprintf(stderr, "Avahi: Failed to create simple poll"
982
exitcode = EXIT_FAILURE;
987
AvahiServerConfig config;
988
/* Do not publish any local Zeroconf records */
989
avahi_server_config_init(&config);
990
config.publish_hinfo = 0;
991
config.publish_addresses = 0;
992
config.publish_workstation = 0;
993
config.publish_domain = 0;
995
/* Allocate a new server */
996
mc.server = avahi_server_new(avahi_simple_poll_get
997
(mc.simple_poll), &config, NULL,
1000
/* Free the Avahi configuration data */
1001
avahi_server_config_free(&config);
1004
/* Check if creating the Avahi server object succeeded */
1005
if (mc.server == NULL) {
1006
fprintf(stderr, "Failed to create Avahi server: %s\n",
722
1007
avahi_strerror(error));
723
returncode = EXIT_FAILURE;
1008
exitcode = EXIT_FAILURE;
727
/* Create the service browser */
728
sb = avahi_s_service_browser_new(server,
730
if_nametoindex(interface),
1012
/* Create the Avahi service browser */
1013
sb = avahi_s_service_browser_new(mc.server, if_index,
731
1014
AVAHI_PROTO_INET6,
732
1015
"_mandos._tcp", NULL, 0,
733
browse_callback, server);
1016
browse_callback, &mc);
735
1018
fprintf(stderr, "Failed to create service browser: %s\n",
736
avahi_strerror(avahi_server_errno(server)));
737
returncode = EXIT_FAILURE;
1019
avahi_strerror(avahi_server_errno(mc.server)));
1020
exitcode = EXIT_FAILURE;
741
1024
/* Run the main loop */
744
fprintf(stderr, "Starting avahi loop search\n");
1027
fprintf(stderr, "Starting Avahi loop search\n");
747
avahi_simple_poll_loop(simple_poll);
1030
avahi_simple_poll_loop(mc.simple_poll);
752
1035
fprintf(stderr, "%s exiting\n", argv[0]);
755
1038
/* Cleanup things */
757
1040
avahi_s_service_browser_free(sb);
760
avahi_server_free(server);
763
avahi_simple_poll_free(simple_poll);
1042
if (mc.server != NULL)
1043
avahi_server_free(mc.server);
1045
if (mc.simple_poll != NULL)
1046
avahi_simple_poll_free(mc.simple_poll);
1050
if (gnutls_initalized){
1051
gnutls_certificate_free_credentials(mc.cred);
1052
gnutls_global_deinit ();