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- Committer: Teddy Hogeborn
- Date: 2008-08-24 10:52:46 UTC
- Revision ID: teddy@fukt.bsnet.se-20080824105246-4gu1o1q6sdjvqcyb
* mandos (fingerprint): Bug fix: Remove some temporary debugging code.
- files added:
- COPYING
- files removed:
- ca.pem
- files renamed:
- server.py => mandos
- server.conf => mandos.conf
- plugbasedclient.c => plugin-runner.c
- plugins.d/passprompt.c => plugins.d/password-prompt.c
- plugins.d/mandosclient.c => plugins.d/password-request.c
- files modified:
- Makefile
added
removed
plugins.d/password-request.c
32
32
#define _LARGEFILE_SOURCE
33
33
#define _FILE_OFFSET_BITS 64
34
34
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
36
36
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 */
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() */
44
58
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
45
SIOCSIFFLAGS */
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 */
46
71
72
/* Avahi */
73
/* All Avahi types, constants and functions
74
Avahi*, avahi_*,
75
AVAHI_* */
47
76
#include <avahi-core/core.h>
48
77
#include <avahi-core/lookup.h>
49
78
#include <avahi-core/log.h>
51
80
#include <avahi-common/malloc.h>
52
81
#include <avahi-common/error.h>
53
82
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 */
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 */
68
91
69
92
/* GPGME */
70
#include <errno.h> /* perror() */
71
#include <gpgme.h>
72
73
/* getopt_long */
74
#include <getopt.h>
93
#include <gpgme.h> /* All GPGME types, constants and
94
functions:
95
gpgme_*
96
GPGME_PROTOCOL_OpenPGP,
97
GPG_ERR_NO_* */
75
98
76
99
#define BUFFER_SIZE 256
77
100
101
bool debug = false;
78
102
static const char *keydir = "/conf/conf.d/mandos";
79
static const char *pubkeyfile = "pubkey.txt";
80
static const char *seckeyfile = "seckey.txt";
81
82
bool debug = false;
83
84
const char mandos_protocol_version[] = "1";
85
86
/* Used for passing in values through all the callback functions */
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 */
87
108
typedef struct {
88
109
AvahiSimplePoll *simple_poll;
89
110
AvahiServer *server;
93
114
const char *priority;
94
115
} mandos_context;
95
116
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
*/
96
122
size_t adjustbuffer(char **buffer, size_t buffer_length,
97
123
size_t buffer_capacity){
98
124
if (buffer_length + BUFFER_SIZE > buffer_capacity){
188
214
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
189
215
gpgme_strsource(rc), gpgme_strerror(rc));
190
216
plaintext_length = -1;
217
if (debug){
218
gpgme_decrypt_result_t result;
219
result = gpgme_op_decrypt_result(ctx);
220
if (result == NULL){
221
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
222
} else {
223
fprintf(stderr, "Unsupported algorithm: %s\n",
224
result->unsupported_algorithm);
225
fprintf(stderr, "Wrong key usage: %u\n",
226
result->wrong_key_usage);
227
if(result->file_name != NULL){
228
fprintf(stderr, "File name: %s\n", result->file_name);
229
}
230
gpgme_recipient_t recipient;
231
recipient = result->recipients;
232
if(recipient){
233
while(recipient != NULL){
234
fprintf(stderr, "Public key algorithm: %s\n",
235
gpgme_pubkey_algo_name(recipient->pubkey_algo));
236
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
237
fprintf(stderr, "Secret key available: %s\n",
238
recipient->status == GPG_ERR_NO_SECKEY
239
? "No" : "Yes");
240
recipient = recipient->next;
241
}
242
}
243
}
244
}
191
245
goto decrypt_end;
192
246
}
193
247
195
249
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
196
250
}
197
251
198
if (debug){
199
gpgme_decrypt_result_t result;
200
result = gpgme_op_decrypt_result(ctx);
201
if (result == NULL){
202
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
203
} else {
204
fprintf(stderr, "Unsupported algorithm: %s\n",
205
result->unsupported_algorithm);
206
fprintf(stderr, "Wrong key usage: %d\n",
207
result->wrong_key_usage);
208
if(result->file_name != NULL){
209
fprintf(stderr, "File name: %s\n", result->file_name);
210
}
211
gpgme_recipient_t recipient;
212
recipient = result->recipients;
213
if(recipient){
214
while(recipient != NULL){
215
fprintf(stderr, "Public key algorithm: %s\n",
216
gpgme_pubkey_algo_name(recipient->pubkey_algo));
217
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
218
fprintf(stderr, "Secret key available: %s\n",
219
recipient->status == GPG_ERR_NO_SECKEY
220
? "No" : "Yes");
221
recipient = recipient->next;
222
}
223
}
224
}
225
}
226
227
252
/* Seek back to the beginning of the GPGME plaintext data buffer */
228
253
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
229
254
perror("pgpme_data_seek");
233
258
234
259
*plaintext = NULL;
235
260
while(true){
236
plaintext_capacity = adjustbuffer(plaintext, (size_t)plaintext_length,
261
plaintext_capacity = adjustbuffer(plaintext,
262
(size_t)plaintext_length,
237
263
plaintext_capacity);
238
264
if (plaintext_capacity == 0){
239
265
perror("adjustbuffer");
275
301
}
276
302
277
303
static const char * safer_gnutls_strerror (int value) {
278
const char *ret = gnutls_strerror (value);
304
const char *ret = gnutls_strerror (value); /* Spurious warning */
279
305
if (ret == NULL)
280
306
ret = "(unknown)";
281
307
return ret;
287
313
fprintf(stderr, "GnuTLS: %s", string);
288
314
}
289
315
290
static int init_gnutls_global(mandos_context *mc){
316
static int init_gnutls_global(mandos_context *mc,
317
const char *pubkeyfilename,
318
const char *seckeyfilename){
291
319
int ret;
292
320
293
321
if(debug){
294
322
fprintf(stderr, "Initializing GnuTLS\n");
295
323
}
296
297
if ((ret = gnutls_global_init ())
298
!= GNUTLS_E_SUCCESS) {
324
325
ret = gnutls_global_init();
326
if (ret != GNUTLS_E_SUCCESS) {
299
327
fprintf (stderr, "GnuTLS global_init: %s\n",
300
328
safer_gnutls_strerror(ret));
301
329
return -1;
310
338
}
311
339
312
340
/* OpenPGP credentials */
313
if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))
314
!= GNUTLS_E_SUCCESS) {
315
fprintf (stderr, "GnuTLS memory error: %s\n",
341
gnutls_certificate_allocate_credentials(&mc->cred);
342
if (ret != GNUTLS_E_SUCCESS){
343
fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious
344
warning */
316
345
safer_gnutls_strerror(ret));
346
gnutls_global_deinit ();
317
347
return -1;
318
348
}
319
349
320
350
if(debug){
321
351
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
322
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
323
seckeyfile);
352
" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,
353
seckeyfilename);
324
354
}
325
355
326
356
ret = gnutls_certificate_set_openpgp_key_file
327
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
357
(mc->cred, pubkeyfilename, seckeyfilename,
358
GNUTLS_OPENPGP_FMT_BASE64);
328
359
if (ret != GNUTLS_E_SUCCESS) {
329
360
fprintf(stderr,
330
361
"Error[%d] while reading the OpenPGP key pair ('%s',"
331
" '%s')\n", ret, pubkeyfile, seckeyfile);
362
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
332
363
fprintf(stdout, "The GnuTLS error is: %s\n",
333
364
safer_gnutls_strerror(ret));
334
return -1;
365
goto globalfail;
335
366
}
336
367
337
368
/* GnuTLS server initialization */
339
370
if (ret != GNUTLS_E_SUCCESS) {
340
371
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
341
372
" %s\n", safer_gnutls_strerror(ret));
342
return -1;
373
goto globalfail;
343
374
}
344
375
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
345
376
if (ret != GNUTLS_E_SUCCESS) {
346
377
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
347
378
safer_gnutls_strerror(ret));
348
return -1;
379
goto globalfail;
349
380
}
350
381
351
382
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
352
383
353
384
return 0;
385
386
globalfail:
387
388
gnutls_certificate_free_credentials(mc->cred);
389
gnutls_global_deinit();
390
return -1;
391
354
392
}
355
393
356
static int init_gnutls_session(mandos_context *mc, gnutls_session_t *session){
394
static int init_gnutls_session(mandos_context *mc,
395
gnutls_session_t *session){
357
396
int ret;
358
397
/* GnuTLS session creation */
359
398
ret = gnutls_init(session, GNUTLS_SERVER);
369
408
fprintf(stderr, "Syntax error at: %s\n", err);
370
409
fprintf(stderr, "GnuTLS error: %s\n",
371
410
safer_gnutls_strerror(ret));
411
gnutls_deinit (*session);
372
412
return -1;
373
413
}
374
414
}
378
418
if (ret != GNUTLS_E_SUCCESS) {
379
419
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
380
420
safer_gnutls_strerror(ret));
421
gnutls_deinit (*session);
381
422
return -1;
382
423
}
383
424
399
440
AvahiIfIndex if_index,
400
441
mandos_context *mc){
401
442
int ret, tcp_sd;
402
struct sockaddr_in6 to;
443
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
403
444
char *buffer = NULL;
404
445
char *decrypted_buffer;
405
446
size_t buffer_length = 0;
409
450
int retval = 0;
410
451
char interface[IF_NAMESIZE];
411
452
gnutls_session_t session;
412
gnutls_dh_params_t dh_params;
413
453
414
454
ret = init_gnutls_session (mc, &session);
415
455
if (ret != 0){
417
457
}
418
458
419
459
if(debug){
420
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
421
ip, port);
460
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
461
"\n", ip, port);
422
462
}
423
463
424
464
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
435
475
fprintf(stderr, "Binding to interface %s\n", interface);
436
476
}
437
477
438
memset(&to,0,sizeof(to)); /* Spurious warning */
439
to.sin6_family = AF_INET6;
478
memset(&to, 0, sizeof(to));
479
to.in6.sin6_family = AF_INET6;
440
480
/* It would be nice to have a way to detect if we were passed an
441
481
IPv4 address here. Now we assume an IPv6 address. */
442
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
482
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
443
483
if (ret < 0 ){
444
484
perror("inet_pton");
445
485
return -1;
448
488
fprintf(stderr, "Bad address: %s\n", ip);
449
489
return -1;
450
490
}
451
to.sin6_port = htons(port); /* Spurious warning */
491
to.in6.sin6_port = htons(port); /* Spurious warning */
452
492
453
to.sin6_scope_id = (uint32_t)if_index;
493
to.in6.sin6_scope_id = (uint32_t)if_index;
454
494
455
495
if(debug){
456
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
496
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
497
port);
457
498
char addrstr[INET6_ADDRSTRLEN] = "";
458
if(inet_ntop(to.sin6_family, &(to.sin6_addr), addrstr,
499
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
459
500
sizeof(addrstr)) == NULL){
460
501
perror("inet_ntop");
461
502
} else {
465
506
}
466
507
}
467
508
468
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
509
ret = connect(tcp_sd, &to.in, sizeof(to));
469
510
if (ret < 0){
470
511
perror("connect");
471
512
return -1;
500
541
}
501
542
502
543
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
503
504
ret = gnutls_handshake (session);
544
545
do{
546
ret = gnutls_handshake (session);
547
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
505
548
506
549
if (ret != GNUTLS_E_SUCCESS){
507
550
if(debug){
520
563
}
521
564
522
565
while(true){
523
buffer_capacity = adjustbuffer(&buffer, buffer_length, buffer_capacity);
566
buffer_capacity = adjustbuffer(&buffer, buffer_length,
567
buffer_capacity);
524
568
if (buffer_capacity == 0){
525
569
perror("adjustbuffer");
526
570
retval = -1;
538
582
case GNUTLS_E_AGAIN:
539
583
break;
540
584
case GNUTLS_E_REHANDSHAKE:
541
ret = gnutls_handshake (session);
585
do{
586
ret = gnutls_handshake (session);
587
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
542
588
if (ret < 0){
543
589
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
544
590
gnutls_perror (ret);
589
635
} else {
590
636
retval = -1;
591
637
}
638
} else {
639
retval = -1;
592
640
}
593
641
594
642
/* Shutdown procedure */
597
645
free(buffer);
598
646
close(tcp_sd);
599
647
gnutls_deinit (session);
600
gnutls_certificate_free_credentials (mc->cred);
601
gnutls_global_deinit ();
602
648
return retval;
603
649
}
604
650
617
663
flags,
618
664
void* userdata) {
619
665
mandos_context *mc = userdata;
620
assert(r); /* Spurious warning */
666
assert(r);
621
667
622
668
/* Called whenever a service has been resolved successfully or
623
669
timed out */
635
681
char ip[AVAHI_ADDRESS_STR_MAX];
636
682
avahi_address_snprint(ip, sizeof(ip), address);
637
683
if(debug){
638
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
639
" port %d\n", name, host_name, ip, interface, port);
684
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
685
PRIu16 ") on port %d\n", name, host_name, ip,
686
interface, port);
640
687
}
641
688
int ret = start_mandos_communication(ip, port, interface, mc);
642
689
if (ret == 0){
643
exit(EXIT_SUCCESS);
690
avahi_simple_poll_quit(mc->simple_poll);
644
691
}
645
692
}
646
693
}
658
705
flags,
659
706
void* userdata) {
660
707
mandos_context *mc = userdata;
661
assert(b); /* Spurious warning */
708
assert(b);
662
709
663
710
/* Called whenever a new services becomes available on the LAN or
664
711
is removed from the LAN */
700
747
701
748
/* Combines file name and path and returns the malloced new
702
749
string. some sane checks could/should be added */
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){
750
static char *combinepath(const char *first, const char *second){
751
char *tmp;
752
int ret = asprintf(&tmp, "%s/%s", first, second);
753
if(ret < 0){
708
754
return NULL;
709
755
}
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';
718
756
return tmp;
719
757
}
720
758
731
769
gid_t gid;
732
770
char *connect_to = NULL;
733
771
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
772
char *pubkeyfilename = NULL;
773
char *seckeyfilename = NULL;
774
const char *pubkeyname = "pubkey.txt";
775
const char *seckeyname = "seckey.txt";
734
776
mandos_context mc = { .simple_poll = NULL, .server = NULL,
735
777
.dh_bits = 1024, .priority = "SECURE256"};
778
bool gnutls_initalized = false;
736
779
737
780
{
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){
781
struct argp_option options[] = {
782
{ .name = "debug", .key = 128,
783
.doc = "Debug mode", .group = 3 },
784
{ .name = "connect", .key = 'c',
785
.arg = "IP",
786
.doc = "Connect directly to a sepcified mandos server",
787
.group = 1 },
788
{ .name = "interface", .key = 'i',
789
.arg = "INTERFACE",
790
.doc = "Interface that Avahi will conntect through",
791
.group = 1 },
792
{ .name = "keydir", .key = 'd',
793
.arg = "KEYDIR",
794
.doc = "Directory where the openpgp keyring is",
795
.group = 1 },
796
{ .name = "seckey", .key = 's',
797
.arg = "SECKEY",
798
.doc = "Secret openpgp key for gnutls authentication",
799
.group = 1 },
800
{ .name = "pubkey", .key = 'p',
801
.arg = "PUBKEY",
802
.doc = "Public openpgp key for gnutls authentication",
803
.group = 2 },
804
{ .name = "dh-bits", .key = 129,
805
.arg = "BITS",
806
.doc = "dh-bits to use in gnutls communication",
807
.group = 2 },
808
{ .name = "priority", .key = 130,
809
.arg = "PRIORITY",
810
.doc = "GNUTLS priority", .group = 1 },
811
{ .name = NULL }
812
};
813
814
815
error_t parse_opt (int key, char *arg,
816
struct argp_state *state) {
817
/* Get the INPUT argument from `argp_parse', which we know is
818
a pointer to our plugin list pointer. */
819
switch (key) {
820
case 128:
821
debug = true;
757
822
break;
758
}
759
760
switch(ret){
761
case 0:
823
case 'c':
824
connect_to = arg;
762
825
break;
763
826
case 'i':
764
interface = optarg;
765
break;
766
case 'c':
767
connect_to = optarg;
827
interface = arg;
768
828
break;
769
829
case 'd':
770
keydir = optarg;
830
keydir = arg;
831
break;
832
case 's':
833
seckeyname = arg;
771
834
break;
772
835
case 'p':
773
pubkeyfile = optarg;
774
break;
775
case 's':
776
seckeyfile = optarg;
777
break;
778
case 'D':
836
pubkeyname = arg;
837
break;
838
case 129:
779
839
errno = 0;
780
mc.dh_bits = (unsigned int) strtol(optarg, NULL, 10);
840
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
781
841
if (errno){
782
842
perror("strtol");
783
843
exit(EXIT_FAILURE);
784
844
}
785
845
break;
786
case 'P':
787
mc.priority = optarg;
788
break;
789
case '?':
846
case 130:
847
mc.priority = arg;
848
break;
849
case ARGP_KEY_ARG:
850
argp_usage (state);
851
case ARGP_KEY_END:
852
break;
790
853
default:
791
/* getopt_long() has already printed a message about the
792
unrcognized option, so just exit. */
793
exit(EXIT_FAILURE);
854
return ARGP_ERR_UNKNOWN;
794
855
}
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);
856
return 0;
857
}
858
859
struct argp argp = { .options = options, .parser = parse_opt,
860
.args_doc = "",
861
.doc = "Mandos client -- Get and decrypt"
862
" passwords from mandos server" };
863
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
864
if (ret == ARGP_ERR_UNKNOWN){
865
fprintf(stderr, "Unknown error while parsing arguments\n");
866
exitcode = EXIT_FAILURE;
867
goto end;
868
}
869
}
870
871
pubkeyfilename = combinepath(keydir, pubkeyname);
872
if (pubkeyfilename == NULL){
873
perror("combinepath");
874
exitcode = EXIT_FAILURE;
875
goto end;
876
}
877
878
seckeyfilename = combinepath(keydir, seckeyname);
879
if (seckeyfilename == NULL){
880
perror("combinepath");
881
exitcode = EXIT_FAILURE;
882
goto end;
883
}
884
885
ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);
814
886
if (ret == -1){
815
fprintf(stderr, "init_gnutls_global\n");
887
fprintf(stderr, "init_gnutls_global failed\n");
888
exitcode = EXIT_FAILURE;
816
889
goto end;
817
}
818
890
} else {
891
gnutls_initalized = true;
892
}
893
894
/* If the interface is down, bring it up */
895
{
896
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
897
if(sd < 0) {
898
perror("socket");
899
exitcode = EXIT_FAILURE;
900
goto end;
901
}
902
strcpy(network.ifr_name, interface);
903
ret = ioctl(sd, SIOCGIFFLAGS, &network);
904
if(ret == -1){
905
perror("ioctl SIOCGIFFLAGS");
906
exitcode = EXIT_FAILURE;
907
goto end;
908
}
909
if((network.ifr_flags & IFF_UP) == 0){
910
network.ifr_flags |= IFF_UP;
911
ret = ioctl(sd, SIOCSIFFLAGS, &network);
912
if(ret == -1){
913
perror("ioctl SIOCSIFFLAGS");
914
exitcode = EXIT_FAILURE;
915
goto end;
916
}
917
}
918
close(sd);
919
}
920
819
921
uid = getuid();
820
922
gid = getgid();
821
923
822
924
ret = setuid(uid);
823
925
if (ret == -1){
824
926
perror("setuid");
862
964
goto end;
863
965
}
864
966
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
892
967
if (not debug){
893
968
avahi_set_log_function(empty_log);
894
969
}
966
1041
967
1042
if (mc.simple_poll != NULL)
968
1043
avahi_simple_poll_free(mc.simple_poll);
969
free(pubkeyfile);
970
free(seckeyfile);
1044
free(pubkeyfilename);
1045
free(seckeyfilename);
1046
1047
if (gnutls_initalized){
1048
gnutls_certificate_free_credentials(mc.cred);
1049
gnutls_global_deinit ();
1050
}
971
1051
972
1052
return exitcode;
973
1053
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0