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- Committer: Teddy Hogeborn
- Date: 2008-08-03 21:45:14 UTC
- mfrom: (24.1.13 mandos)
- Revision ID: teddy@fukt.bsnet.se-20080803214514-plvvkrpoitwsrxeg
Merge.
- files added:
- ca.pem
- files removed:
- COPYING
- files renamed:
- plugin-runner.c => plugbasedclient.c
- plugins.d/password-request.c => plugins.d/mandosclient.c
- plugins.d/password-prompt.c => plugins.d/passprompt.c
- mandos.conf => server.conf
- mandos => server.py
- files modified:
- Makefile
added
removed
plugins.d/mandosclient.c
32
32
#define _LARGEFILE_SOURCE
33
33
#define _FILE_OFFSET_BITS 64
34
34
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
36
36
37
#include <stdio.h> /* fprintf(), stderr, fwrite(),
38
stdout, ferror() */
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,
42
srand() */
43
#include <stdbool.h> /* bool, true */
44
#include <string.h> /* memset(), strcmp(), strlen(),
45
strerror(), asprintf(), 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,
50
uid_t, gid_t */
51
#include <inttypes.h> /* PRIu16 */
52
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
53
struct in6_addr, inet_pton(),
54
connect() */
55
#include <assert.h> /* assert() */
56
#include <errno.h> /* perror(), errno */
57
#include <time.h> /* time() */
37
#include <stdio.h>
38
#include <assert.h>
39
#include <stdlib.h>
40
#include <time.h>
41
#include <net/if.h> /* if_nametoindex */
42
#include <sys/ioctl.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
43
SIOCSIFFLAGS */
58
44
#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(),
63
setgid() */
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 */
45
SIOCSIFFLAGS */
71
46
72
/* Avahi */
73
/* All Avahi types, constants and functions
74
Avahi*, avahi_*,
75
AVAHI_* */
76
47
#include <avahi-core/core.h>
77
48
#include <avahi-core/lookup.h>
78
49
#include <avahi-core/log.h>
80
51
#include <avahi-common/malloc.h>
81
52
#include <avahi-common/error.h>
82
53
83
/* GnuTLS */
84
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and
85
functions:
86
gnutls_*
87
init_gnutls_session(),
88
GNUTLS_* */
89
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
90
GNUTLS_OPENPGP_FMT_BASE64 */
54
/* Mandos client part */
55
#include <sys/types.h> /* socket(), inet_pton() */
56
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
57
struct in6_addr, inet_pton() */
58
#include <gnutls/gnutls.h> /* All GnuTLS stuff */
59
#include <gnutls/openpgp.h> /* GnuTLS with openpgp stuff */
60
61
#include <unistd.h> /* close() */
62
#include <netinet/in.h>
63
#include <stdbool.h> /* true */
64
#include <string.h> /* memset */
65
#include <arpa/inet.h> /* inet_pton() */
66
#include <iso646.h> /* not */
67
#include <net/if.h> /* IF_NAMESIZE */
91
68
92
69
/* GPGME */
93
#include <gpgme.h> /* All GPGME types, constants and
94
functions:
95
gpgme_*
96
GPGME_PROTOCOL_OpenPGP,
97
GPG_ERR_NO_* */
70
#include <errno.h> /* perror() */
71
#include <gpgme.h>
72
73
/* getopt_long */
74
#include <getopt.h>
98
75
99
76
#define BUFFER_SIZE 256
100
77
78
static const char *keydir = "/conf/conf.d/mandos";
79
static const char *pubkeyfile = "pubkey.txt";
80
static const char *seckeyfile = "seckey.txt";
81
101
82
bool debug = false;
102
static const char *keydir = "/conf/conf.d/mandos";
103
static const char mandos_protocol_version[] = "1";
104
const char *argp_program_version = "password-request 1.0";
105
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
106
107
/* Used for passing in values through the Avahi callback functions */
83
84
const char mandos_protocol_version[] = "1";
85
86
/* Used for passing in values through all the callback functions */
108
87
typedef struct {
109
88
AvahiSimplePoll *simple_poll;
110
89
AvahiServer *server;
114
93
const char *priority;
115
94
} mandos_context;
116
95
117
/*
118
* Make room in "buffer" for at least BUFFER_SIZE additional bytes.
119
* "buffer_capacity" is how much is currently allocated,
120
* "buffer_length" is how much is already used.
121
*/
122
96
size_t adjustbuffer(char **buffer, size_t buffer_length,
123
97
size_t buffer_capacity){
124
98
if (buffer_length + BUFFER_SIZE > buffer_capacity){
229
203
} else {
230
204
fprintf(stderr, "Unsupported algorithm: %s\n",
231
205
result->unsupported_algorithm);
232
fprintf(stderr, "Wrong key usage: %u\n",
206
fprintf(stderr, "Wrong key usage: %d\n",
233
207
result->wrong_key_usage);
234
208
if(result->file_name != NULL){
235
209
fprintf(stderr, "File name: %s\n", result->file_name);
259
233
260
234
*plaintext = NULL;
261
235
while(true){
262
plaintext_capacity = adjustbuffer(plaintext,
263
(size_t)plaintext_length,
236
plaintext_capacity = adjustbuffer(plaintext, (size_t)plaintext_length,
264
237
plaintext_capacity);
265
238
if (plaintext_capacity == 0){
266
239
perror("adjustbuffer");
302
275
}
303
276
304
277
static const char * safer_gnutls_strerror (int value) {
305
const char *ret = gnutls_strerror (value); /* Spurious warning */
278
const char *ret = gnutls_strerror (value);
306
279
if (ret == NULL)
307
280
ret = "(unknown)";
308
281
return ret;
314
287
fprintf(stderr, "GnuTLS: %s", string);
315
288
}
316
289
317
static int init_gnutls_global(mandos_context *mc,
318
const char *pubkeyfilename,
319
const char *seckeyfilename){
290
static int init_gnutls_global(mandos_context *mc){
320
291
int ret;
321
292
322
293
if(debug){
323
294
fprintf(stderr, "Initializing GnuTLS\n");
324
295
}
325
326
ret = gnutls_global_init();
327
if (ret != GNUTLS_E_SUCCESS) {
296
297
if ((ret = gnutls_global_init ())
298
!= GNUTLS_E_SUCCESS) {
328
299
fprintf (stderr, "GnuTLS global_init: %s\n",
329
300
safer_gnutls_strerror(ret));
330
301
return -1;
339
310
}
340
311
341
312
/* OpenPGP credentials */
342
gnutls_certificate_allocate_credentials(&mc->cred);
343
if (ret != GNUTLS_E_SUCCESS){
344
fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious
345
warning */
313
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
314
!= GNUTLS_E_SUCCESS) {
315
fprintf (stderr, "GnuTLS memory error: %s\n",
346
316
safer_gnutls_strerror(ret));
347
gnutls_global_deinit ();
348
317
return -1;
349
318
}
350
319
351
320
if(debug){
352
321
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
353
" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,
354
seckeyfilename);
322
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
323
seckeyfile);
355
324
}
356
325
357
326
ret = gnutls_certificate_set_openpgp_key_file
358
(mc->cred, pubkeyfilename, seckeyfilename,
359
GNUTLS_OPENPGP_FMT_BASE64);
327
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
360
328
if (ret != GNUTLS_E_SUCCESS) {
361
329
fprintf(stderr,
362
330
"Error[%d] while reading the OpenPGP key pair ('%s',"
363
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
331
" '%s')\n", ret, pubkeyfile, seckeyfile);
364
332
fprintf(stdout, "The GnuTLS error is: %s\n",
365
333
safer_gnutls_strerror(ret));
366
goto globalfail;
334
return -1;
367
335
}
368
336
369
337
/* GnuTLS server initialization */
371
339
if (ret != GNUTLS_E_SUCCESS) {
372
340
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
373
341
" %s\n", safer_gnutls_strerror(ret));
374
goto globalfail;
342
return -1;
375
343
}
376
344
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
377
345
if (ret != GNUTLS_E_SUCCESS) {
378
346
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
379
347
safer_gnutls_strerror(ret));
380
goto globalfail;
348
return -1;
381
349
}
382
350
383
351
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
384
352
385
353
return 0;
386
387
globalfail:
388
389
gnutls_certificate_free_credentials(mc->cred);
390
gnutls_global_deinit();
391
return -1;
392
393
354
}
394
355
395
static int init_gnutls_session(mandos_context *mc,
396
gnutls_session_t *session){
356
static int init_gnutls_session(mandos_context *mc, gnutls_session_t *session){
397
357
int ret;
398
358
/* GnuTLS session creation */
399
359
ret = gnutls_init(session, GNUTLS_SERVER);
409
369
fprintf(stderr, "Syntax error at: %s\n", err);
410
370
fprintf(stderr, "GnuTLS error: %s\n",
411
371
safer_gnutls_strerror(ret));
412
gnutls_deinit (*session);
413
372
return -1;
414
373
}
415
374
}
419
378
if (ret != GNUTLS_E_SUCCESS) {
420
379
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
421
380
safer_gnutls_strerror(ret));
422
gnutls_deinit (*session);
423
381
return -1;
424
382
}
425
383
441
399
AvahiIfIndex if_index,
442
400
mandos_context *mc){
443
401
int ret, tcp_sd;
444
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
402
struct sockaddr_in6 to;
445
403
char *buffer = NULL;
446
404
char *decrypted_buffer;
447
405
size_t buffer_length = 0;
451
409
int retval = 0;
452
410
char interface[IF_NAMESIZE];
453
411
gnutls_session_t session;
412
gnutls_dh_params_t dh_params;
454
413
455
414
ret = init_gnutls_session (mc, &session);
456
415
if (ret != 0){
458
417
}
459
418
460
419
if(debug){
461
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
462
"\n", ip, port);
420
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
421
ip, port);
463
422
}
464
423
465
424
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
476
435
fprintf(stderr, "Binding to interface %s\n", interface);
477
436
}
478
437
479
memset(&to, 0, sizeof(to));
480
to.in6.sin6_family = AF_INET6;
438
memset(&to,0,sizeof(to)); /* Spurious warning */
439
to.sin6_family = AF_INET6;
481
440
/* It would be nice to have a way to detect if we were passed an
482
441
IPv4 address here. Now we assume an IPv6 address. */
483
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
442
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
484
443
if (ret < 0 ){
485
444
perror("inet_pton");
486
445
return -1;
489
448
fprintf(stderr, "Bad address: %s\n", ip);
490
449
return -1;
491
450
}
492
to.in6.sin6_port = htons(port); /* Spurious warning */
451
to.sin6_port = htons(port); /* Spurious warning */
493
452
494
to.in6.sin6_scope_id = (uint32_t)if_index;
453
to.sin6_scope_id = (uint32_t)if_index;
495
454
496
455
if(debug){
497
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
498
port);
456
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
499
457
char addrstr[INET6_ADDRSTRLEN] = "";
500
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
458
if(inet_ntop(to.sin6_family, &(to.sin6_addr), addrstr,
501
459
sizeof(addrstr)) == NULL){
502
460
perror("inet_ntop");
503
461
} else {
507
465
}
508
466
}
509
467
510
ret = connect(tcp_sd, &to.in, sizeof(to));
468
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
511
469
if (ret < 0){
512
470
perror("connect");
513
471
return -1;
542
500
}
543
501
544
502
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
545
546
do{
547
ret = gnutls_handshake (session);
548
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
503
504
ret = gnutls_handshake (session);
549
505
550
506
if (ret != GNUTLS_E_SUCCESS){
551
507
if(debug){
564
520
}
565
521
566
522
while(true){
567
buffer_capacity = adjustbuffer(&buffer, buffer_length,
568
buffer_capacity);
523
buffer_capacity = adjustbuffer(&buffer, buffer_length, buffer_capacity);
569
524
if (buffer_capacity == 0){
570
525
perror("adjustbuffer");
571
526
retval = -1;
583
538
case GNUTLS_E_AGAIN:
584
539
break;
585
540
case GNUTLS_E_REHANDSHAKE:
586
do{
587
ret = gnutls_handshake (session);
588
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
541
ret = gnutls_handshake (session);
589
542
if (ret < 0){
590
543
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
591
544
gnutls_perror (ret);
644
597
free(buffer);
645
598
close(tcp_sd);
646
599
gnutls_deinit (session);
600
gnutls_certificate_free_credentials (mc->cred);
601
gnutls_global_deinit ();
647
602
return retval;
648
603
}
649
604
662
617
flags,
663
618
void* userdata) {
664
619
mandos_context *mc = userdata;
665
assert(r);
620
assert(r); /* Spurious warning */
666
621
667
622
/* Called whenever a service has been resolved successfully or
668
623
timed out */
680
635
char ip[AVAHI_ADDRESS_STR_MAX];
681
636
avahi_address_snprint(ip, sizeof(ip), address);
682
637
if(debug){
683
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
684
PRIu16 ") on port %d\n", name, host_name, ip,
685
interface, port);
638
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
639
" port %d\n", name, host_name, ip, interface, port);
686
640
}
687
641
int ret = start_mandos_communication(ip, port, interface, mc);
688
642
if (ret == 0){
689
avahi_simple_poll_quit(mc->simple_poll);
643
exit(EXIT_SUCCESS);
690
644
}
691
645
}
692
646
}
704
658
flags,
705
659
void* userdata) {
706
660
mandos_context *mc = userdata;
707
assert(b);
661
assert(b); /* Spurious warning */
708
662
709
663
/* Called whenever a new services becomes available on the LAN or
710
664
is removed from the LAN */
746
700
747
701
/* Combines file name and path and returns the malloced new
748
702
string. some sane checks could/should be added */
749
static char *combinepath(const char *first, const char *second){
750
char *tmp;
751
int ret = asprintf(&tmp, "%s/%s", first, second);
752
if(ret < 0){
703
static const char *combinepath(const char *first, const char *second){
704
size_t f_len = strlen(first);
705
size_t s_len = strlen(second);
706
char *tmp = malloc(f_len + s_len + 2);
707
if (tmp == NULL){
753
708
return NULL;
754
709
}
710
if(f_len > 0){
711
memcpy(tmp, first, f_len); /* Spurious warning */
712
}
713
tmp[f_len] = '/';
714
if(s_len > 0){
715
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
716
}
717
tmp[f_len + 1 + s_len] = '\0';
755
718
return tmp;
756
719
}
757
720
768
731
gid_t gid;
769
732
char *connect_to = NULL;
770
733
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
771
char *pubkeyfilename = NULL;
772
char *seckeyfilename = NULL;
773
const char *pubkeyname = "pubkey.txt";
774
const char *seckeyname = "seckey.txt";
775
734
mandos_context mc = { .simple_poll = NULL, .server = NULL,
776
735
.dh_bits = 1024, .priority = "SECURE256"};
777
bool gnutls_initalized = false;
778
736
779
737
{
780
struct argp_option options[] = {
781
{ .name = "debug", .key = 128,
782
.doc = "Debug mode", .group = 3 },
783
{ .name = "connect", .key = 'c',
784
.arg = "IP",
785
.doc = "Connect directly to a sepcified mandos server",
786
.group = 1 },
787
{ .name = "interface", .key = 'i',
788
.arg = "INTERFACE",
789
.doc = "Interface that Avahi will conntect through",
790
.group = 1 },
791
{ .name = "keydir", .key = 'd',
792
.arg = "KEYDIR",
793
.doc = "Directory where the openpgp keyring is",
794
.group = 1 },
795
{ .name = "seckey", .key = 's',
796
.arg = "SECKEY",
797
.doc = "Secret openpgp key for gnutls authentication",
798
.group = 1 },
799
{ .name = "pubkey", .key = 'p',
800
.arg = "PUBKEY",
801
.doc = "Public openpgp key for gnutls authentication",
802
.group = 2 },
803
{ .name = "dh-bits", .key = 129,
804
.arg = "BITS",
805
.doc = "dh-bits to use in gnutls communication",
806
.group = 2 },
807
{ .name = "priority", .key = 130,
808
.arg = "PRIORITY",
809
.doc = "GNUTLS priority", .group = 1 },
810
{ .name = NULL }
811
};
812
813
814
error_t parse_opt (int key, char *arg,
815
struct argp_state *state) {
816
/* Get the INPUT argument from `argp_parse', which we know is
817
a pointer to our plugin list pointer. */
818
switch (key) {
819
case 128:
820
debug = true;
738
/* Temporary int to get the address of for getopt_long */
739
int debug_int = debug ? 1 : 0;
740
while (true){
741
struct option long_options[] = {
742
{"debug", no_argument, &debug_int, 1},
743
{"connect", required_argument, NULL, 'c'},
744
{"interface", required_argument, NULL, 'i'},
745
{"keydir", required_argument, NULL, 'd'},
746
{"seckey", required_argument, NULL, 's'},
747
{"pubkey", required_argument, NULL, 'p'},
748
{"dh-bits", required_argument, NULL, 'D'},
749
{"priority", required_argument, NULL, 'P'},
750
{0, 0, 0, 0} };
751
752
int option_index = 0;
753
ret = getopt_long (argc, argv, "i:", long_options,
754
&option_index);
755
756
if (ret == -1){
757
break;
758
}
759
760
switch(ret){
761
case 0:
762
break;
763
case 'i':
764
interface = optarg;
821
765
break;
822
766
case 'c':
823
connect_to = arg;
824
break;
825
case 'i':
826
interface = arg;
767
connect_to = optarg;
827
768
break;
828
769
case 'd':
829
keydir = arg;
770
keydir = optarg;
771
break;
772
case 'p':
773
pubkeyfile = optarg;
830
774
break;
831
775
case 's':
832
seckeyname = arg;
833
break;
834
case 'p':
835
pubkeyname = arg;
836
break;
837
case 129:
776
seckeyfile = optarg;
777
break;
778
case 'D':
838
779
errno = 0;
839
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
780
mc.dh_bits = (unsigned int) strtol(optarg, NULL, 10);
840
781
if (errno){
841
782
perror("strtol");
842
783
exit(EXIT_FAILURE);
843
784
}
844
785
break;
845
case 130:
846
mc.priority = arg;
847
break;
848
case ARGP_KEY_ARG:
849
argp_usage (state);
850
case ARGP_KEY_END:
851
break;
786
case 'P':
787
mc.priority = optarg;
788
break;
789
case '?':
852
790
default:
853
return ARGP_ERR_UNKNOWN;
791
/* getopt_long() has already printed a message about the
792
unrcognized option, so just exit. */
793
exit(EXIT_FAILURE);
854
794
}
855
return 0;
856
}
857
858
struct argp argp = { .options = options, .parser = parse_opt,
859
.args_doc = "",
860
.doc = "Mandos client -- Get and decrypt"
861
" passwords from mandos server" };
862
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
863
if (ret == ARGP_ERR_UNKNOWN){
864
fprintf(stderr, "Unknown error while parsing arguments\n");
865
exitcode = EXIT_FAILURE;
866
goto end;
867
}
868
}
869
870
pubkeyfilename = combinepath(keydir, pubkeyname);
871
if (pubkeyfilename == NULL){
872
perror("combinepath");
873
exitcode = EXIT_FAILURE;
874
goto end;
875
}
876
877
seckeyfilename = combinepath(keydir, seckeyname);
878
if (seckeyfilename == NULL){
879
perror("combinepath");
880
exitcode = EXIT_FAILURE;
881
goto end;
882
}
883
884
ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);
795
}
796
/* Set the global debug flag from the temporary int */
797
debug = debug_int ? true : false;
798
}
799
800
pubkeyfile = combinepath(keydir, pubkeyfile);
801
if (pubkeyfile == NULL){
802
perror("combinepath");
803
exitcode = EXIT_FAILURE;
804
goto end;
805
}
806
807
seckeyfile = combinepath(keydir, seckeyfile);
808
if (seckeyfile == NULL){
809
perror("combinepath");
810
goto end;
811
}
812
813
ret = init_gnutls_global(&mc);
885
814
if (ret == -1){
886
fprintf(stderr, "init_gnutls_global failed\n");
887
exitcode = EXIT_FAILURE;
815
fprintf(stderr, "init_gnutls_global\n");
888
816
goto end;
889
} else {
890
gnutls_initalized = true;
891
}
892
893
/* If the interface is down, bring it up */
894
{
895
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
896
if(sd < 0) {
897
perror("socket");
898
exitcode = EXIT_FAILURE;
899
goto end;
900
}
901
strcpy(network.ifr_name, interface);
902
ret = ioctl(sd, SIOCGIFFLAGS, &network);
903
if(ret == -1){
904
perror("ioctl SIOCGIFFLAGS");
905
exitcode = EXIT_FAILURE;
906
goto end;
907
}
908
if((network.ifr_flags & IFF_UP) == 0){
909
network.ifr_flags |= IFF_UP;
910
ret = ioctl(sd, SIOCSIFFLAGS, &network);
911
if(ret == -1){
912
perror("ioctl SIOCSIFFLAGS");
913
exitcode = EXIT_FAILURE;
914
goto end;
915
}
916
}
917
close(sd);
918
}
919
817
}
818
920
819
uid = getuid();
921
820
gid = getgid();
922
821
923
822
ret = setuid(uid);
924
823
if (ret == -1){
925
824
perror("setuid");
963
862
goto end;
964
863
}
965
864
865
/* If the interface is down, bring it up */
866
{
867
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
868
if(sd < 0) {
869
perror("socket");
870
exitcode = EXIT_FAILURE;
871
goto end;
872
}
873
strcpy(network.ifr_name, interface); /* Spurious warning */
874
ret = ioctl(sd, SIOCGIFFLAGS, &network);
875
if(ret == -1){
876
perror("ioctl SIOCGIFFLAGS");
877
exitcode = EXIT_FAILURE;
878
goto end;
879
}
880
if((network.ifr_flags & IFF_UP) == 0){
881
network.ifr_flags |= IFF_UP;
882
ret = ioctl(sd, SIOCSIFFLAGS, &network);
883
if(ret == -1){
884
perror("ioctl SIOCSIFFLAGS");
885
exitcode = EXIT_FAILURE;
886
goto end;
887
}
888
}
889
close(sd);
890
}
891
966
892
if (not debug){
967
893
avahi_set_log_function(empty_log);
968
894
}
1040
966
1041
967
if (mc.simple_poll != NULL)
1042
968
avahi_simple_poll_free(mc.simple_poll);
1043
free(pubkeyfilename);
1044
free(seckeyfilename);
1045
1046
if (gnutls_initalized){
1047
gnutls_certificate_free_credentials(mc.cred);
1048
gnutls_global_deinit ();
1049
}
969
free(pubkeyfile);
970
free(seckeyfile);
1050
971
1051
972
return exitcode;
1052
973
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0