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- Committer: Björn Påhlsson
- Date: 2008-08-11 16:35:32 UTC
- mto: (237.7.1 mandos) (24.1.154 mandos)
- mto: This revision was merged to the branch mainline in revision 66.
- Revision ID: belorn@braxen-20080811163532-er1zd4q2j4ykfv11
Fixed fallback on error in mandos-client
fixed a bug in password-request
fixed a bug in password-request
- files added:
- network-protocol.txt
- files removed:
- .bzrignore
- files renamed:
- plugin-runner.c => mandos-client.c
- plugin-runner.xml => mandos-client.xml
- 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(), asprintf() */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
36
36
37
#include <stdio.h> /* fprintf(), stderr, fwrite(),
38
stdout, ferror() */
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
38
ferror() */
39
39
#include <stdint.h> /* uint16_t, uint32_t */
40
40
#include <stddef.h> /* NULL, size_t, ssize_t */
41
41
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
42
42
srand() */
43
43
#include <stdbool.h> /* bool, true */
44
44
#include <string.h> /* memset(), strcmp(), strlen(),
45
strerror(), asprintf(), strcpy() */
45
strerror(), memcpy(), strcpy() */
46
46
#include <sys/ioctl.h> /* ioctl */
47
47
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
48
48
sockaddr_in6, PF_INET6,
49
49
SOCK_STREAM, INET6_ADDRSTRLEN,
50
uid_t, gid_t, open(), opendir(), DIR */
51
#include <sys/stat.h> /* open() */
50
uid_t, gid_t */
51
#include <inttypes.h> /* PRIu16 */
52
52
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
53
53
struct in6_addr, inet_pton(),
54
54
connect() */
55
#include <fcntl.h> /* open() */
56
#include <dirent.h> /* opendir(), struct dirent, readdir() */
57
#include <inttypes.h> /* PRIu16 */
58
55
#include <assert.h> /* assert() */
59
56
#include <errno.h> /* perror(), errno */
60
57
#include <time.h> /* time() */
61
58
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
62
59
SIOCSIFFLAGS, if_indextoname(),
63
60
if_nametoindex(), IF_NAMESIZE */
64
#include <netinet/in.h>
65
61
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
66
62
getuid(), getgid(), setuid(),
67
63
setgid() */
64
#include <netinet/in.h>
68
65
#include <arpa/inet.h> /* inet_pton(), htons */
69
66
#include <iso646.h> /* not, and */
70
67
#include <argp.h> /* struct argp_option, error_t, struct
84
81
#include <avahi-common/error.h>
85
82
86
83
/* GnuTLS */
87
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and
88
functions:
84
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and functions
89
85
gnutls_*
90
86
init_gnutls_session(),
91
87
GNUTLS_* */
93
89
GNUTLS_OPENPGP_FMT_BASE64 */
94
90
95
91
/* GPGME */
96
#include <gpgme.h> /* All GPGME types, constants and
97
functions:
92
#include <gpgme.h> /* All GPGME types, constants and functions
98
93
gpgme_*
99
94
GPGME_PROTOCOL_OpenPGP,
100
95
GPG_ERR_NO_* */
101
96
102
97
#define BUFFER_SIZE 256
103
98
104
/*
105
#define PATHDIR "/conf/conf.d/mandos"
106
*/
107
108
#define PATHDIR "/conf/conf.d/mandos"
109
#define SECKEY "seckey.txt"
110
#define PUBKEY "pupkey.txt"
111
112
99
bool debug = false;
100
static const char *keydir = "/conf/conf.d/mandos";
113
101
static const char mandos_protocol_version[] = "1";
114
102
const char *argp_program_version = "password-request 1.0";
115
103
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
122
110
unsigned int dh_bits;
123
111
gnutls_dh_params_t dh_params;
124
112
const char *priority;
125
gpgme_ctx_t ctx;
126
113
} mandos_context;
127
114
128
115
/*
143
130
}
144
131
145
132
/*
146
* Initialize GPGME.
133
* Decrypt OpenPGP data using keyrings in HOMEDIR.
134
* Returns -1 on error
147
135
*/
148
static bool init_gpgme(mandos_context *mc, const char *seckey,
149
const char *pubkey, const char *tempdir){
150
int ret;
136
static ssize_t pgp_packet_decrypt (const char *cryptotext,
137
size_t crypto_size,
138
char **plaintext,
139
const char *homedir){
140
gpgme_data_t dh_crypto, dh_plain;
141
gpgme_ctx_t ctx;
151
142
gpgme_error_t rc;
143
ssize_t ret;
144
size_t plaintext_capacity = 0;
145
ssize_t plaintext_length = 0;
152
146
gpgme_engine_info_t engine_info;
153
154
155
/*
156
* Helper function to insert pub and seckey to the enigne keyring.
157
*/
158
bool import_key(const char *filename){
159
int fd;
160
gpgme_data_t pgp_data;
161
162
fd = TEMP_FAILURE_RETRY(open(filename, O_RDONLY));
163
if(fd == -1){
164
perror("open");
165
return false;
166
}
167
168
rc = gpgme_data_new_from_fd(&pgp_data, fd);
169
if (rc != GPG_ERR_NO_ERROR){
170
fprintf(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
171
gpgme_strsource(rc), gpgme_strerror(rc));
172
return false;
173
}
174
175
rc = gpgme_op_import(mc->ctx, pgp_data);
176
if (rc != GPG_ERR_NO_ERROR){
177
fprintf(stderr, "bad gpgme_op_import: %s: %s\n",
178
gpgme_strsource(rc), gpgme_strerror(rc));
179
return false;
180
}
181
182
ret = TEMP_FAILURE_RETRY(close(fd));
183
if(ret == -1){
184
perror("close");
185
}
186
gpgme_data_release(pgp_data);
187
return true;
188
}
189
147
190
148
if (debug){
191
fprintf(stderr, "Initialize gpgme\n");
149
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
192
150
}
193
151
194
152
/* Init GPGME */
195
153
gpgme_check_version(NULL);
196
154
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
197
155
if (rc != GPG_ERR_NO_ERROR){
198
156
fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
199
157
gpgme_strsource(rc), gpgme_strerror(rc));
200
return false;
158
return -1;
201
159
}
202
203
/* Set GPGME home directory for the OpenPGP engine only */
160
161
/* Set GPGME home directory for the OpenPGP engine only */
204
162
rc = gpgme_get_engine_info (&engine_info);
205
163
if (rc != GPG_ERR_NO_ERROR){
206
164
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
207
165
gpgme_strsource(rc), gpgme_strerror(rc));
208
return false;
166
return -1;
209
167
}
210
168
while(engine_info != NULL){
211
169
if(engine_info->protocol == GPGME_PROTOCOL_OpenPGP){
212
170
gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP,
213
engine_info->file_name, tempdir);
171
engine_info->file_name, homedir);
214
172
break;
215
173
}
216
174
engine_info = engine_info->next;
217
175
}
218
176
if(engine_info == NULL){
219
fprintf(stderr, "Could not set GPGME home dir to %s\n", tempdir);
220
return false;
221
}
222
223
/* Create new GPGME "context" */
224
rc = gpgme_new(&(mc->ctx));
225
if (rc != GPG_ERR_NO_ERROR){
226
fprintf(stderr, "bad gpgme_new: %s: %s\n",
227
gpgme_strsource(rc), gpgme_strerror(rc));
228
return false;
229
}
230
231
if (not import_key(pubkey) or not import_key(seckey)){
232
return false;
233
}
234
235
return true;
236
}
237
238
/*
239
* Decrypt OpenPGP data.
240
* Returns -1 on error
241
*/
242
static ssize_t pgp_packet_decrypt (const mandos_context *mc,
243
const char *cryptotext,
244
size_t crypto_size,
245
char **plaintext){
246
gpgme_data_t dh_crypto, dh_plain;
247
gpgme_error_t rc;
248
ssize_t ret;
249
size_t plaintext_capacity = 0;
250
ssize_t plaintext_length = 0;
251
252
if (debug){
253
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
177
fprintf(stderr, "Could not set GPGME home dir to %s\n", homedir);
178
return -1;
254
179
}
255
180
256
181
/* Create new GPGME data buffer from memory cryptotext */
271
196
return -1;
272
197
}
273
198
199
/* Create new GPGME "context" */
200
rc = gpgme_new(&ctx);
201
if (rc != GPG_ERR_NO_ERROR){
202
fprintf(stderr, "bad gpgme_new: %s: %s\n",
203
gpgme_strsource(rc), gpgme_strerror(rc));
204
plaintext_length = -1;
205
goto decrypt_end;
206
}
207
274
208
/* Decrypt data from the cryptotext data buffer to the plaintext
275
209
data buffer */
276
rc = gpgme_op_decrypt(mc->ctx, dh_crypto, dh_plain);
210
rc = gpgme_op_decrypt(ctx, dh_crypto, dh_plain);
277
211
if (rc != GPG_ERR_NO_ERROR){
278
212
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
279
213
gpgme_strsource(rc), gpgme_strerror(rc));
280
214
plaintext_length = -1;
281
if (debug){
282
gpgme_decrypt_result_t result;
283
result = gpgme_op_decrypt_result(mc->ctx);
284
if (result == NULL){
285
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
286
} else {
287
fprintf(stderr, "Unsupported algorithm: %s\n",
288
result->unsupported_algorithm);
289
fprintf(stderr, "Wrong key usage: %u\n",
290
result->wrong_key_usage);
291
if(result->file_name != NULL){
292
fprintf(stderr, "File name: %s\n", result->file_name);
293
}
294
gpgme_recipient_t recipient;
295
recipient = result->recipients;
296
if(recipient){
297
while(recipient != NULL){
298
fprintf(stderr, "Public key algorithm: %s\n",
299
gpgme_pubkey_algo_name(recipient->pubkey_algo));
300
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
301
fprintf(stderr, "Secret key available: %s\n",
302
recipient->status == GPG_ERR_NO_SECKEY
303
? "No" : "Yes");
304
recipient = recipient->next;
305
}
306
}
307
}
308
}
309
215
goto decrypt_end;
310
216
}
311
217
313
219
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
314
220
}
315
221
222
if (debug){
223
gpgme_decrypt_result_t result;
224
result = gpgme_op_decrypt_result(ctx);
225
if (result == NULL){
226
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
227
} else {
228
fprintf(stderr, "Unsupported algorithm: %s\n",
229
result->unsupported_algorithm);
230
fprintf(stderr, "Wrong key usage: %u\n",
231
result->wrong_key_usage);
232
if(result->file_name != NULL){
233
fprintf(stderr, "File name: %s\n", result->file_name);
234
}
235
gpgme_recipient_t recipient;
236
recipient = result->recipients;
237
if(recipient){
238
while(recipient != NULL){
239
fprintf(stderr, "Public key algorithm: %s\n",
240
gpgme_pubkey_algo_name(recipient->pubkey_algo));
241
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
242
fprintf(stderr, "Secret key available: %s\n",
243
recipient->status == GPG_ERR_NO_SECKEY
244
? "No" : "Yes");
245
recipient = recipient->next;
246
}
247
}
248
}
249
}
250
316
251
/* Seek back to the beginning of the GPGME plaintext data buffer */
317
252
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
318
253
perror("pgpme_data_seek");
345
280
}
346
281
plaintext_length += ret;
347
282
}
348
283
349
284
if(debug){
350
285
fprintf(stderr, "Decrypted password is: ");
351
286
for(ssize_t i = 0; i < plaintext_length; i++){
365
300
}
366
301
367
302
static const char * safer_gnutls_strerror (int value) {
368
const char *ret = gnutls_strerror (value); /* Spurious warning */
303
const char *ret = gnutls_strerror (value);
369
304
if (ret == NULL)
370
305
ret = "(unknown)";
371
306
return ret;
378
313
}
379
314
380
315
static int init_gnutls_global(mandos_context *mc,
381
const char *pubkeyfilename,
382
const char *seckeyfilename){
316
const char *pubkeyfile,
317
const char *seckeyfile){
383
318
int ret;
384
319
385
320
if(debug){
404
339
/* OpenPGP credentials */
405
340
gnutls_certificate_allocate_credentials(&mc->cred);
406
341
if (ret != GNUTLS_E_SUCCESS){
407
fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious
408
warning */
342
fprintf (stderr, "GnuTLS memory error: %s\n",
409
343
safer_gnutls_strerror(ret));
410
344
gnutls_global_deinit ();
411
345
return -1;
412
346
}
413
347
414
348
if(debug){
415
fprintf(stderr, "Attempting to use OpenPGP public key %s and"
416
" secret key %s as GnuTLS credentials\n", pubkeyfilename,
417
seckeyfilename);
349
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
350
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
351
seckeyfile);
418
352
}
419
353
420
354
ret = gnutls_certificate_set_openpgp_key_file
421
(mc->cred, pubkeyfilename, seckeyfilename,
422
GNUTLS_OPENPGP_FMT_BASE64);
355
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
423
356
if (ret != GNUTLS_E_SUCCESS) {
424
357
fprintf(stderr,
425
358
"Error[%d] while reading the OpenPGP key pair ('%s',"
426
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
427
fprintf(stderr, "The GnuTLS error is: %s\n",
359
" '%s')\n", ret, pubkeyfile, seckeyfile);
360
fprintf(stdout, "The GnuTLS error is: %s\n",
428
361
safer_gnutls_strerror(ret));
429
362
goto globalfail;
430
363
}
444
377
}
445
378
446
379
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
447
380
448
381
return 0;
449
382
450
383
globalfail:
451
384
452
385
gnutls_certificate_free_credentials(mc->cred);
453
386
gnutls_global_deinit();
454
387
return -1;
388
455
389
}
456
390
457
391
static int init_gnutls_session(mandos_context *mc,
529
463
perror("socket");
530
464
return -1;
531
465
}
532
466
533
467
if(debug){
534
468
if(if_indextoname((unsigned int)if_index, interface) == NULL){
535
469
perror("if_indextoname");
538
472
fprintf(stderr, "Binding to interface %s\n", interface);
539
473
}
540
474
541
memset(&to, 0, sizeof(to));
475
memset(&to,0,sizeof(to)); /* Spurious warning */
542
476
to.in6.sin6_family = AF_INET6;
543
477
/* It would be nice to have a way to detect if we were passed an
544
478
IPv4 address here. Now we assume an IPv6 address. */
574
508
perror("connect");
575
509
return -1;
576
510
}
577
511
578
512
const char *out = mandos_protocol_version;
579
513
written = 0;
580
514
while (true){
598
532
}
599
533
}
600
534
}
601
535
602
536
if(debug){
603
537
fprintf(stderr, "Establishing TLS session with %s\n", ip);
604
538
}
605
539
606
540
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
607
541
608
542
do{
609
543
ret = gnutls_handshake (session);
610
544
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
624
558
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
625
559
ip);
626
560
}
627
561
628
562
while(true){
629
563
buffer_capacity = adjustbuffer(&buffer, buffer_length,
630
564
buffer_capacity);
674
608
gnutls_bye (session, GNUTLS_SHUT_RDWR);
675
609
676
610
if (buffer_length > 0){
677
decrypted_buffer_size = pgp_packet_decrypt(mc, buffer,
611
decrypted_buffer_size = pgp_packet_decrypt(buffer,
678
612
buffer_length,
679
&decrypted_buffer);
613
&decrypted_buffer,
614
keydir);
680
615
if (decrypted_buffer_size >= 0){
681
616
written = 0;
682
617
while(written < (size_t) decrypted_buffer_size){
697
632
} else {
698
633
retval = -1;
699
634
}
700
} else {
701
retval = -1;
702
635
}
703
636
704
637
/* Shutdown procedure */
705
638
706
639
mandos_end:
707
640
free(buffer);
708
ret = TEMP_FAILURE_RETRY(close(tcp_sd));
709
if(ret == -1){
710
perror("close");
711
}
641
close(tcp_sd);
712
642
gnutls_deinit (session);
713
643
return retval;
714
644
}
728
658
flags,
729
659
void* userdata) {
730
660
mandos_context *mc = userdata;
731
assert(r);
661
assert(r); /* Spurious warning */
732
662
733
663
/* Called whenever a service has been resolved successfully or
734
664
timed out */
752
682
}
753
683
int ret = start_mandos_communication(ip, port, interface, mc);
754
684
if (ret == 0){
755
avahi_simple_poll_quit(mc->simple_poll);
685
exit(EXIT_SUCCESS);
756
686
}
757
687
}
758
688
}
770
700
flags,
771
701
void* userdata) {
772
702
mandos_context *mc = userdata;
773
assert(b);
703
assert(b); /* Spurious warning */
774
704
775
705
/* Called whenever a new services becomes available on the LAN or
776
706
is removed from the LAN */
810
740
}
811
741
}
812
742
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);
749
if (tmp == NULL){
750
return NULL;
751
}
752
if(f_len > 0){
753
memcpy(tmp, first, f_len); /* Spurious warning */
754
}
755
tmp[f_len] = '/';
756
if(s_len > 0){
757
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
758
}
759
tmp[f_len + 1 + s_len] = '\0';
760
return tmp;
761
}
762
763
813
764
int main(int argc, char *argv[]){
814
765
AvahiSServiceBrowser *sb = NULL;
815
766
int error;
821
772
uid_t uid;
822
773
gid_t gid;
823
774
char *connect_to = NULL;
824
char tempdir[] = "/tmp/mandosXXXXXX";
825
775
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
826
const char *seckey = PATHDIR "/" SECKEY;
827
const char *pubkey = PATHDIR "/" PUBKEY;
828
776
const char *pubkeyfile = "pubkey.txt";
777
const char *seckeyfile = "seckey.txt";
829
778
mandos_context mc = { .simple_poll = NULL, .server = NULL,
830
.dh_bits = 1024, .priority = "SECURE256"
831
":!CTYPE-X.509:+CTYPE-OPENPGP" };
779
.dh_bits = 1024, .priority = "SECURE256"};
832
780
bool gnutls_initalized = false;
833
bool pgpme_initalized = false;
834
781
835
782
{
836
783
struct argp_option options[] = {
837
784
{ .name = "debug", .key = 128,
838
785
.doc = "Debug mode", .group = 3 },
839
786
{ .name = "connect", .key = 'c',
840
.arg = "ADDRESS:PORT",
841
.doc = "Connect directly to a specific Mandos server",
787
.arg = "IP",
788
.doc = "Connect directly to a sepcified mandos server",
842
789
.group = 1 },
843
790
{ .name = "interface", .key = 'i',
844
.arg = "NAME",
845
.doc = "Interface that will be used to search for Mandos"
846
" servers",
791
.arg = "INTERFACE",
792
.doc = "Interface that Avahi will conntect through",
793
.group = 1 },
794
{ .name = "keydir", .key = 'd',
795
.arg = "KEYDIR",
796
.doc = "Directory where the openpgp keyring is",
847
797
.group = 1 },
848
798
{ .name = "seckey", .key = 's',
849
.arg = "FILE",
850
.doc = "OpenPGP secret key file base name",
799
.arg = "SECKEY",
800
.doc = "Secret openpgp key for gnutls authentication",
851
801
.group = 1 },
852
802
{ .name = "pubkey", .key = 'p',
853
.arg = "FILE",
854
.doc = "OpenPGP public key file base name",
803
.arg = "PUBKEY",
804
.doc = "Public openpgp key for gnutls authentication",
855
805
.group = 2 },
856
806
{ .name = "dh-bits", .key = 129,
857
807
.arg = "BITS",
858
.doc = "Bit length of the prime number used in the"
859
" Diffie-Hellman key exchange",
808
.doc = "dh-bits to use in gnutls communication",
860
809
.group = 2 },
861
810
{ .name = "priority", .key = 130,
862
.arg = "STRING",
863
.doc = "GnuTLS priority string for the TLS handshake",
864
.group = 1 },
811
.arg = "PRIORITY",
812
.doc = "GNUTLS priority", .group = 1 },
865
813
{ .name = NULL }
866
814
};
815
867
816
868
817
error_t parse_opt (int key, char *arg,
869
818
struct argp_state *state) {
870
819
/* Get the INPUT argument from `argp_parse', which we know is
871
820
a pointer to our plugin list pointer. */
872
821
switch (key) {
873
case 128: /* --debug */
822
case 128:
874
823
debug = true;
875
824
break;
876
case 'c': /* --connect */
825
case 'c':
877
826
connect_to = arg;
878
827
break;
879
case 'i': /* --interface */
828
case 'i':
880
829
interface = arg;
881
830
break;
882
case 's': /* --seckey */
883
seckey = arg;
884
break;
885
case 'p': /* --pubkey */
886
pubkey = arg;
887
break;
888
case 129: /* --dh-bits */
831
case 'd':
832
keydir = arg;
833
break;
834
case 's':
835
seckeyfile = arg;
836
break;
837
case 'p':
838
pubkeyfile = arg;
839
break;
840
case 129:
889
841
errno = 0;
890
842
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
891
843
if (errno){
893
845
exit(EXIT_FAILURE);
894
846
}
895
847
break;
896
case 130: /* --priority */
848
case 130:
897
849
mc.priority = arg;
898
850
break;
899
851
case ARGP_KEY_ARG:
900
852
argp_usage (state);
901
case ARGP_KEY_END:
902
853
break;
854
case ARGP_KEY_END:
855
break;
903
856
default:
904
857
return ARGP_ERR_UNKNOWN;
905
858
}
906
859
return 0;
907
860
}
908
861
909
862
struct argp argp = { .options = options, .parser = parse_opt,
910
863
.args_doc = "",
911
864
.doc = "Mandos client -- Get and decrypt"
912
" passwords from a Mandos server" };
865
" passwords from mandos server" };
913
866
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
914
867
if (ret == ARGP_ERR_UNKNOWN){
915
868
fprintf(stderr, "Unknown error while parsing arguments\n");
917
870
goto end;
918
871
}
919
872
}
873
874
pubkeyfile = combinepath(keydir, pubkeyfile);
875
if (pubkeyfile == NULL){
876
perror("combinepath");
877
exitcode = EXIT_FAILURE;
878
goto end;
879
}
920
880
921
ret = init_gnutls_global(&mc, pubkey, seckey);
881
seckeyfile = combinepath(keydir, seckeyfile);
882
if (seckeyfile == NULL){
883
perror("combinepath");
884
exitcode = EXIT_FAILURE;
885
goto end;
886
}
887
888
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
922
889
if (ret == -1){
923
890
fprintf(stderr, "init_gnutls_global failed\n");
924
891
exitcode = EXIT_FAILURE;
926
893
} else {
927
894
gnutls_initalized = true;
928
895
}
929
930
if(mkdtemp(tempdir) == NULL){
931
perror("mkdtemp");
932
tempdir[0] = '\0';
933
goto end;
934
}
935
936
if(not init_gpgme(&mc, pubkey, seckey, tempdir)){
937
fprintf(stderr, "pgpme_initalized failed\n");
938
exitcode = EXIT_FAILURE;
939
goto end;
940
} else {
941
pgpme_initalized = true;
942
}
943
896
944
897
/* If the interface is down, bring it up */
945
898
{
949
902
exitcode = EXIT_FAILURE;
950
903
goto end;
951
904
}
952
strcpy(network.ifr_name, interface);
905
strcpy(network.ifr_name, interface); /* Spurious warning */
953
906
ret = ioctl(sd, SIOCGIFFLAGS, &network);
954
907
if(ret == -1){
955
908
perror("ioctl SIOCGIFFLAGS");
965
918
goto end;
966
919
}
967
920
}
968
ret = TEMP_FAILURE_RETRY(close(sd));
969
if(ret == -1){
970
perror("close");
971
}
921
close(sd);
972
922
}
973
923
974
924
uid = getuid();
1032
982
exitcode = EXIT_FAILURE;
1033
983
goto end;
1034
984
}
1035
985
1036
986
{
1037
987
AvahiServerConfig config;
1038
988
/* Do not publish any local Zeroconf records */
1041
991
config.publish_addresses = 0;
1042
992
config.publish_workstation = 0;
1043
993
config.publish_domain = 0;
1044
994
1045
995
/* Allocate a new server */
1046
996
mc.server = avahi_server_new(avahi_simple_poll_get
1047
997
(mc.simple_poll), &config, NULL,
1048
998
NULL, &error);
1049
999
1050
1000
/* Free the Avahi configuration data */
1051
1001
avahi_server_config_free(&config);
1052
1002
}
1072
1022
}
1073
1023
1074
1024
/* Run the main loop */
1075
1025
1076
1026
if (debug){
1077
1027
fprintf(stderr, "Starting Avahi loop search\n");
1078
1028
}
1080
1030
avahi_simple_poll_loop(mc.simple_poll);
1081
1031
1082
1032
end:
1083
1033
1084
1034
if (debug){
1085
1035
fprintf(stderr, "%s exiting\n", argv[0]);
1086
1036
}
1091
1041
1092
1042
if (mc.server != NULL)
1093
1043
avahi_server_free(mc.server);
1094
1044
1095
1045
if (mc.simple_poll != NULL)
1096
1046
avahi_simple_poll_free(mc.simple_poll);
1097
1047
free(pubkeyfile);
1048
free(seckeyfile);
1049
1098
1050
if (gnutls_initalized){
1099
1051
gnutls_certificate_free_credentials(mc.cred);
1100
1052
gnutls_global_deinit ();
1101
1053
}
1102
1103
if(pgpme_initalized){
1104
gpgme_release(mc.ctx);
1105
}
1106
1107
/* Removes the temp directory used by GPGME */
1108
if(tempdir[0] != '\0'){
1109
DIR *d;
1110
struct dirent *direntry;
1111
d = opendir(tempdir);
1112
if(d == NULL){
1113
perror("opendir");
1114
} else {
1115
while(true){
1116
direntry = readdir(d);
1117
if(direntry == NULL){
1118
break;
1119
}
1120
if (direntry->d_type == DT_REG){
1121
char *fullname = NULL;
1122
ret = asprintf(&fullname, "%s/%s", tempdir,
1123
direntry->d_name);
1124
if(ret < 0){
1125
perror("asprintf");
1126
continue;
1127
}
1128
ret = unlink(fullname);
1129
if(ret == -1){
1130
fprintf(stderr, "unlink(\"%s\"): %s",
1131
fullname, strerror(errno));
1132
}
1133
free(fullname);
1134
}
1135
}
1136
}
1137
ret = rmdir(tempdir);
1138
if(ret == -1){
1139
perror("rmdir");
1140
}
1141
}
1142
1054
1143
1055
return exitcode;
1144
1056
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0