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- Committer: Teddy Hogeborn
- Date: 2008-08-16 16:58:31 UTC
- Revision ID: teddy@fukt.bsnet.se-20080816165831-cx018vo5i9oqmgo0
* plugins.d/password-request.c (main): Include environment variables
"cryptsource" and "crypttarget"
in password prompt.
"cryptsource" and "crypttarget"
in password prompt.
- files added:
- COPYING
- files removed:
- ca.pem
- files renamed:
- mandos-clients.conf => clients.conf
- server.py => mandos
- 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
8
8
* includes the following functions: "resolve_callback",
9
9
* "browse_callback", and parts of "main".
10
10
*
11
* Everything else is Copyright © 2007-2008 Teddy Hogeborn and Björn
12
* Påhlsson.
11
* Everything else is
12
* Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
13
13
*
14
14
* This program is free software: you can redistribute it and/or
15
15
* modify it under the terms of the GNU General Public License as
25
25
* along with this program. If not, see
26
26
* <http://www.gnu.org/licenses/>.
27
27
*
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>.
30
29
*/
31
30
32
#define _FORTIFY_SOURCE 2
33
31
/* Needed by GPGME, specifically gpgme_data_seek() */
34
32
#define _LARGEFILE_SOURCE
35
33
#define _FILE_OFFSET_BITS 64
36
34
37
#include <stdio.h>
38
#include <assert.h>
39
#include <stdlib.h>
40
#include <time.h>
41
#include <net/if.h> /* if_nametoindex */
42
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
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() */
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(),
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 */
71
72
/* Avahi */
73
/* All Avahi types, constants and functions
74
Avahi*, avahi_*,
75
AVAHI_* */
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>
49
82
50
//mandos client part
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 */
56
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 */
63
64
// gpgme
65
#include <errno.h> /* perror() */
66
#include <gpgme.h>
67
68
// getopt long
69
#include <getopt.h>
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 */
91
92
/* GPGME */
93
#include <gpgme.h> /* All GPGME types, constants and
94
functions:
95
gpgme_*
96
GPGME_PROTOCOL_OpenPGP,
97
GPG_ERR_NO_* */
70
98
71
99
#define BUFFER_SIZE 256
72
#define DH_BITS 1024
73
74
const char *certdir = "/conf/conf.d/cryptkeyreq/";
75
const char *certfile = "openpgp-client.txt";
76
const char *certkey = "openpgp-client-key.txt";
77
100
78
101
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>";
79
106
107
/* Used for passing in values through the Avahi callback functions */
80
108
typedef struct {
81
gnutls_session_t session;
109
AvahiSimplePoll *simple_poll;
110
AvahiServer *server;
82
111
gnutls_certificate_credentials_t cred;
112
unsigned int dh_bits;
83
113
gnutls_dh_params_t dh_params;
84
} encrypted_session;
85
86
87
ssize_t pgp_packet_decrypt (char *packet, size_t packet_size,
88
char **new_packet, const char *homedir){
114
const char *priority;
115
} mandos_context;
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
*/
122
size_t adjustbuffer(char **buffer, size_t buffer_length,
123
size_t buffer_capacity){
124
if (buffer_length + BUFFER_SIZE > buffer_capacity){
125
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
126
if (buffer == NULL){
127
return 0;
128
}
129
buffer_capacity += BUFFER_SIZE;
130
}
131
return buffer_capacity;
132
}
133
134
/*
135
* Decrypt OpenPGP data using keyrings in HOMEDIR.
136
* Returns -1 on error
137
*/
138
static ssize_t pgp_packet_decrypt (const char *cryptotext,
139
size_t crypto_size,
140
char **plaintext,
141
const char *homedir){
89
142
gpgme_data_t dh_crypto, dh_plain;
90
143
gpgme_ctx_t ctx;
91
144
gpgme_error_t rc;
92
145
ssize_t ret;
93
ssize_t new_packet_capacity = 0;
94
ssize_t new_packet_length = 0;
146
size_t plaintext_capacity = 0;
147
ssize_t plaintext_length = 0;
95
148
gpgme_engine_info_t engine_info;
96
149
97
150
if (debug){
98
fprintf(stderr, "Trying to decrypt OpenPGP packet\n");
151
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
99
152
}
100
153
101
154
/* Init GPGME */
107
160
return -1;
108
161
}
109
162
110
/* Set GPGME home directory */
163
/* Set GPGME home directory for the OpenPGP engine only */
111
164
rc = gpgme_get_engine_info (&engine_info);
112
165
if (rc != GPG_ERR_NO_ERROR){
113
166
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
123
176
engine_info = engine_info->next;
124
177
}
125
178
if(engine_info == NULL){
126
fprintf(stderr, "Could not set home dir to %s\n", homedir);
179
fprintf(stderr, "Could not set GPGME home dir to %s\n", homedir);
127
180
return -1;
128
181
}
129
182
130
/* Create new GPGME data buffer from packet buffer */
131
rc = gpgme_data_new_from_mem(&dh_crypto, packet, packet_size, 0);
183
/* Create new GPGME data buffer from memory cryptotext */
184
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
185
0);
132
186
if (rc != GPG_ERR_NO_ERROR){
133
187
fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
134
188
gpgme_strsource(rc), gpgme_strerror(rc));
140
194
if (rc != GPG_ERR_NO_ERROR){
141
195
fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
142
196
gpgme_strsource(rc), gpgme_strerror(rc));
197
gpgme_data_release(dh_crypto);
143
198
return -1;
144
199
}
145
200
148
203
if (rc != GPG_ERR_NO_ERROR){
149
204
fprintf(stderr, "bad gpgme_new: %s: %s\n",
150
205
gpgme_strsource(rc), gpgme_strerror(rc));
151
return -1;
206
plaintext_length = -1;
207
goto decrypt_end;
152
208
}
153
209
154
/* Decrypt data from the FILE pointer to the plaintext data
155
buffer */
210
/* Decrypt data from the cryptotext data buffer to the plaintext
211
data buffer */
156
212
rc = gpgme_op_decrypt(ctx, dh_crypto, dh_plain);
157
213
if (rc != GPG_ERR_NO_ERROR){
158
214
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
159
215
gpgme_strsource(rc), gpgme_strerror(rc));
160
return -1;
216
plaintext_length = -1;
217
goto decrypt_end;
161
218
}
162
219
163
220
if(debug){
164
fprintf(stderr, "Decryption of OpenPGP packet succeeded\n");
221
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
165
222
}
166
223
167
224
if (debug){
168
225
gpgme_decrypt_result_t result;
169
226
result = gpgme_op_decrypt_result(ctx);
172
229
} else {
173
230
fprintf(stderr, "Unsupported algorithm: %s\n",
174
231
result->unsupported_algorithm);
175
fprintf(stderr, "Wrong key usage: %d\n",
232
fprintf(stderr, "Wrong key usage: %u\n",
176
233
result->wrong_key_usage);
177
234
if(result->file_name != NULL){
178
235
fprintf(stderr, "File name: %s\n", result->file_name);
193
250
}
194
251
}
195
252
196
/* Delete the GPGME FILE pointer cryptotext data buffer */
197
gpgme_data_release(dh_crypto);
198
199
253
/* Seek back to the beginning of the GPGME plaintext data buffer */
200
254
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
201
255
perror("pgpme_data_seek");
256
plaintext_length = -1;
257
goto decrypt_end;
202
258
}
203
259
204
*new_packet = 0;
260
*plaintext = NULL;
205
261
while(true){
206
if (new_packet_length + BUFFER_SIZE > new_packet_capacity){
207
*new_packet = realloc(*new_packet,
208
(unsigned int)new_packet_capacity
209
+ BUFFER_SIZE);
210
if (*new_packet == NULL){
211
perror("realloc");
212
return -1;
213
}
214
new_packet_capacity += BUFFER_SIZE;
262
plaintext_capacity = adjustbuffer(plaintext,
263
(size_t)plaintext_length,
264
plaintext_capacity);
265
if (plaintext_capacity == 0){
266
perror("adjustbuffer");
267
plaintext_length = -1;
268
goto decrypt_end;
215
269
}
216
270
217
ret = gpgme_data_read(dh_plain, *new_packet + new_packet_length,
271
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
218
272
BUFFER_SIZE);
219
273
/* Print the data, if any */
220
274
if (ret == 0){
275
/* EOF */
221
276
break;
222
277
}
223
278
if(ret < 0){
224
279
perror("gpgme_data_read");
225
return -1;
280
plaintext_length = -1;
281
goto decrypt_end;
226
282
}
227
new_packet_length += ret;
283
plaintext_length += ret;
228
284
}
229
285
230
/* FIXME: check characters before printing to screen so to not print
231
terminal control characters */
232
/* if(debug){ */
233
/* fprintf(stderr, "decrypted password is: "); */
234
/* fwrite(*new_packet, 1, new_packet_length, stderr); */
235
/* fprintf(stderr, "\n"); */
236
/* } */
286
if(debug){
287
fprintf(stderr, "Decrypted password is: ");
288
for(ssize_t i = 0; i < plaintext_length; i++){
289
fprintf(stderr, "%02hhX ", (*plaintext)[i]);
290
}
291
fprintf(stderr, "\n");
292
}
293
294
decrypt_end:
295
296
/* Delete the GPGME cryptotext data buffer */
297
gpgme_data_release(dh_crypto);
237
298
238
299
/* Delete the GPGME plaintext data buffer */
239
300
gpgme_data_release(dh_plain);
240
return new_packet_length;
301
return plaintext_length;
241
302
}
242
303
243
304
static const char * safer_gnutls_strerror (int value) {
247
308
return ret;
248
309
}
249
310
250
void debuggnutls(__attribute__((unused)) int level,
251
const char* string){
252
fprintf(stderr, "%s", string);
311
/* GnuTLS log function callback */
312
static void debuggnutls(__attribute__((unused)) int level,
313
const char* string){
314
fprintf(stderr, "GnuTLS: %s", string);
253
315
}
254
316
255
int initgnutls(encrypted_session *es){
256
const char *err;
317
static int init_gnutls_global(mandos_context *mc,
318
const char *pubkeyfilename,
319
const char *seckeyfilename){
257
320
int ret;
258
321
259
322
if(debug){
260
323
fprintf(stderr, "Initializing GnuTLS\n");
261
324
}
262
263
if ((ret = gnutls_global_init ())
264
!= GNUTLS_E_SUCCESS) {
265
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
325
326
ret = gnutls_global_init();
327
if (ret != GNUTLS_E_SUCCESS) {
328
fprintf (stderr, "GnuTLS global_init: %s\n",
329
safer_gnutls_strerror(ret));
266
330
return -1;
267
331
}
268
332
269
333
if (debug){
334
/* "Use a log level over 10 to enable all debugging options."
335
* - GnuTLS manual
336
*/
270
337
gnutls_global_set_log_level(11);
271
338
gnutls_global_set_log_function(debuggnutls);
272
339
}
273
340
274
/* openpgp credentials */
275
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
276
!= GNUTLS_E_SUCCESS) {
277
fprintf (stderr, "memory error: %s\n",
341
/* OpenPGP credentials */
342
gnutls_certificate_allocate_credentials(&mc->cred);
343
if (ret != GNUTLS_E_SUCCESS){
344
fprintf (stderr, "GnuTLS memory error: %s\n",
278
345
safer_gnutls_strerror(ret));
346
gnutls_global_deinit ();
279
347
return -1;
280
348
}
281
349
282
350
if(debug){
283
351
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
284
" and keyfile %s as GnuTLS credentials\n", certfile,
285
certkey);
352
" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,
353
seckeyfilename);
286
354
}
287
355
288
356
ret = gnutls_certificate_set_openpgp_key_file
289
(es->cred, certfile, certkey, GNUTLS_OPENPGP_FMT_BASE64);
357
(mc->cred, pubkeyfilename, seckeyfilename,
358
GNUTLS_OPENPGP_FMT_BASE64);
290
359
if (ret != GNUTLS_E_SUCCESS) {
291
fprintf
292
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s',"
293
" '%s')\n",
294
ret, certfile, certkey);
295
fprintf(stdout, "The Error is: %s\n",
360
fprintf(stderr,
361
"Error[%d] while reading the OpenPGP key pair ('%s',"
362
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
363
fprintf(stdout, "The GnuTLS error is: %s\n",
296
364
safer_gnutls_strerror(ret));
297
return -1;
298
}
299
300
//GnuTLS server initialization
301
if ((ret = gnutls_dh_params_init (&es->dh_params))
302
!= GNUTLS_E_SUCCESS) {
303
fprintf (stderr, "Error in dh parameter initialization: %s\n",
304
safer_gnutls_strerror(ret));
305
return -1;
306
}
307
308
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
309
!= GNUTLS_E_SUCCESS) {
310
fprintf (stderr, "Error in prime generation: %s\n",
311
safer_gnutls_strerror(ret));
312
return -1;
313
}
314
315
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
316
317
// GnuTLS session creation
318
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
319
!= GNUTLS_E_SUCCESS){
365
goto globalfail;
366
}
367
368
/* GnuTLS server initialization */
369
ret = gnutls_dh_params_init(&mc->dh_params);
370
if (ret != GNUTLS_E_SUCCESS) {
371
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
372
" %s\n", safer_gnutls_strerror(ret));
373
goto globalfail;
374
}
375
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
376
if (ret != GNUTLS_E_SUCCESS) {
377
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
378
safer_gnutls_strerror(ret));
379
goto globalfail;
380
}
381
382
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
383
384
return 0;
385
386
globalfail:
387
388
gnutls_certificate_free_credentials(mc->cred);
389
gnutls_global_deinit();
390
return -1;
391
392
}
393
394
static int init_gnutls_session(mandos_context *mc,
395
gnutls_session_t *session){
396
int ret;
397
/* GnuTLS session creation */
398
ret = gnutls_init(session, GNUTLS_SERVER);
399
if (ret != GNUTLS_E_SUCCESS){
320
400
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
321
401
safer_gnutls_strerror(ret));
322
402
}
323
403
324
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
325
!= GNUTLS_E_SUCCESS) {
326
fprintf(stderr, "Syntax error at: %s\n", err);
327
fprintf(stderr, "GnuTLS error: %s\n",
328
safer_gnutls_strerror(ret));
329
return -1;
404
{
405
const char *err;
406
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
407
if (ret != GNUTLS_E_SUCCESS) {
408
fprintf(stderr, "Syntax error at: %s\n", err);
409
fprintf(stderr, "GnuTLS error: %s\n",
410
safer_gnutls_strerror(ret));
411
gnutls_deinit (*session);
412
return -1;
413
}
330
414
}
331
415
332
if ((ret = gnutls_credentials_set
333
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
334
!= GNUTLS_E_SUCCESS) {
335
fprintf(stderr, "Error setting a credentials set: %s\n",
416
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
417
mc->cred);
418
if (ret != GNUTLS_E_SUCCESS) {
419
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
336
420
safer_gnutls_strerror(ret));
421
gnutls_deinit (*session);
337
422
return -1;
338
423
}
339
424
340
425
/* ignore client certificate if any. */
341
gnutls_certificate_server_set_request (es->session,
426
gnutls_certificate_server_set_request (*session,
342
427
GNUTLS_CERT_IGNORE);
343
428
344
gnutls_dh_set_prime_bits (es->session, DH_BITS);
429
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
345
430
346
431
return 0;
347
432
}
348
433
349
void empty_log(__attribute__((unused)) AvahiLogLevel level,
350
__attribute__((unused)) const char *txt){}
434
/* Avahi log function callback */
435
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
436
__attribute__((unused)) const char *txt){}
351
437
352
int start_mandos_communication(const char *ip, uint16_t port,
353
unsigned int if_index){
438
/* Called when a Mandos server is found */
439
static int start_mandos_communication(const char *ip, uint16_t port,
440
AvahiIfIndex if_index,
441
mandos_context *mc){
354
442
int ret, tcp_sd;
355
struct sockaddr_in6 to;
356
encrypted_session es;
443
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
357
444
char *buffer = NULL;
358
445
char *decrypted_buffer;
359
446
size_t buffer_length = 0;
360
447
size_t buffer_capacity = 0;
361
448
ssize_t decrypted_buffer_size;
362
size_t written = 0;
449
size_t written;
363
450
int retval = 0;
364
451
char interface[IF_NAMESIZE];
452
gnutls_session_t session;
453
454
ret = init_gnutls_session (mc, &session);
455
if (ret != 0){
456
return -1;
457
}
365
458
366
459
if(debug){
367
fprintf(stderr, "Setting up a tcp connection to %s\n", ip);
460
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
461
"\n", ip, port);
368
462
}
369
463
370
464
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
372
466
perror("socket");
373
467
return -1;
374
468
}
375
376
if(if_indextoname(if_index, interface) == NULL){
377
if(debug){
469
470
if(debug){
471
if(if_indextoname((unsigned int)if_index, interface) == NULL){
378
472
perror("if_indextoname");
473
return -1;
379
474
}
380
return -1;
381
}
382
383
if(debug){
384
475
fprintf(stderr, "Binding to interface %s\n", interface);
385
476
}
386
477
387
memset(&to,0,sizeof(to)); /* Spurious warning */
388
to.sin6_family = AF_INET6;
389
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
478
memset(&to, 0, sizeof(to)); /* Spurious warning */
479
to.in6.sin6_family = AF_INET6;
480
/* It would be nice to have a way to detect if we were passed an
481
IPv4 address here. Now we assume an IPv6 address. */
482
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
390
483
if (ret < 0 ){
391
484
perror("inet_pton");
392
485
return -1;
393
}
486
}
394
487
if(ret == 0){
395
488
fprintf(stderr, "Bad address: %s\n", ip);
396
489
return -1;
397
490
}
398
to.sin6_port = htons(port); /* Spurious warning */
491
to.in6.sin6_port = htons(port); /* Spurious warning */
399
492
400
to.sin6_scope_id = (uint32_t)if_index;
493
to.in6.sin6_scope_id = (uint32_t)if_index;
401
494
402
495
if(debug){
403
fprintf(stderr, "Connection to: %s\n", ip);
496
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
497
port);
498
char addrstr[INET6_ADDRSTRLEN] = "";
499
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
500
sizeof(addrstr)) == NULL){
501
perror("inet_ntop");
502
} else {
503
if(strcmp(addrstr, ip) != 0){
504
fprintf(stderr, "Canonical address form: %s\n", addrstr);
505
}
506
}
404
507
}
405
508
406
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
509
ret = connect(tcp_sd, &to.in, sizeof(to));
407
510
if (ret < 0){
408
511
perror("connect");
409
512
return -1;
410
513
}
411
412
ret = initgnutls (&es);
413
if (ret != 0){
414
retval = -1;
415
return -1;
514
515
const char *out = mandos_protocol_version;
516
written = 0;
517
while (true){
518
size_t out_size = strlen(out);
519
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
520
out_size - written));
521
if (ret == -1){
522
perror("write");
523
retval = -1;
524
goto mandos_end;
525
}
526
written += (size_t)ret;
527
if(written < out_size){
528
continue;
529
} else {
530
if (out == mandos_protocol_version){
531
written = 0;
532
out = "\r\n";
533
} else {
534
break;
535
}
536
}
416
537
}
417
418
gnutls_transport_set_ptr (es.session,
419
(gnutls_transport_ptr_t) tcp_sd);
420
538
421
539
if(debug){
422
540
fprintf(stderr, "Establishing TLS session with %s\n", ip);
423
541
}
424
542
425
ret = gnutls_handshake (es.session);
543
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
544
545
do{
546
ret = gnutls_handshake (session);
547
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
426
548
427
549
if (ret != GNUTLS_E_SUCCESS){
428
550
if(debug){
429
fprintf(stderr, "\n*** Handshake failed ***\n");
551
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
430
552
gnutls_perror (ret);
431
553
}
432
554
retval = -1;
433
goto exit;
555
goto mandos_end;
434
556
}
435
557
436
//Retrieve OpenPGP packet that contains the wanted password
558
/* Read OpenPGP packet that contains the wanted password */
437
559
438
560
if(debug){
439
561
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
441
563
}
442
564
443
565
while(true){
444
if (buffer_length + BUFFER_SIZE > buffer_capacity){
445
buffer = realloc(buffer, buffer_capacity + BUFFER_SIZE);
446
if (buffer == NULL){
447
perror("realloc");
448
goto exit;
449
}
450
buffer_capacity += BUFFER_SIZE;
566
buffer_capacity = adjustbuffer(&buffer, buffer_length,
567
buffer_capacity);
568
if (buffer_capacity == 0){
569
perror("adjustbuffer");
570
retval = -1;
571
goto mandos_end;
451
572
}
452
573
453
ret = gnutls_record_recv
454
(es.session, buffer+buffer_length, BUFFER_SIZE);
574
ret = gnutls_record_recv(session, buffer+buffer_length,
575
BUFFER_SIZE);
455
576
if (ret == 0){
456
577
break;
457
578
}
461
582
case GNUTLS_E_AGAIN:
462
583
break;
463
584
case GNUTLS_E_REHANDSHAKE:
464
ret = gnutls_handshake (es.session);
585
do{
586
ret = gnutls_handshake (session);
587
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
465
588
if (ret < 0){
466
fprintf(stderr, "\n*** Handshake failed ***\n");
589
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
467
590
gnutls_perror (ret);
468
591
retval = -1;
469
goto exit;
592
goto mandos_end;
470
593
}
471
594
break;
472
595
default:
473
596
fprintf(stderr, "Unknown error while reading data from"
474
" encrypted session with mandos server\n");
597
" encrypted session with Mandos server\n");
475
598
retval = -1;
476
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
477
goto exit;
599
gnutls_bye (session, GNUTLS_SHUT_RDWR);
600
goto mandos_end;
478
601
}
479
602
} else {
480
603
buffer_length += (size_t) ret;
481
604
}
482
605
}
483
606
607
if(debug){
608
fprintf(stderr, "Closing TLS session\n");
609
}
610
611
gnutls_bye (session, GNUTLS_SHUT_RDWR);
612
484
613
if (buffer_length > 0){
485
614
decrypted_buffer_size = pgp_packet_decrypt(buffer,
486
615
buffer_length,
487
616
&decrypted_buffer,
488
certdir);
617
keydir);
489
618
if (decrypted_buffer_size >= 0){
490
while(written < decrypted_buffer_size){
619
written = 0;
620
while(written < (size_t) decrypted_buffer_size){
491
621
ret = (int)fwrite (decrypted_buffer + written, 1,
492
622
(size_t)decrypted_buffer_size - written,
493
623
stdout);
506
636
retval = -1;
507
637
}
508
638
}
509
510
//shutdown procedure
511
512
if(debug){
513
fprintf(stderr, "Closing TLS session\n");
514
}
515
639
640
/* Shutdown procedure */
641
642
mandos_end:
516
643
free(buffer);
517
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
518
exit:
519
644
close(tcp_sd);
520
gnutls_deinit (es.session);
521
gnutls_certificate_free_credentials (es.cred);
522
gnutls_global_deinit ();
645
gnutls_deinit (session);
523
646
return retval;
524
647
}
525
648
526
static AvahiSimplePoll *simple_poll = NULL;
527
static AvahiServer *server = NULL;
528
529
static void resolve_callback(
530
AvahiSServiceResolver *r,
531
AvahiIfIndex interface,
532
AVAHI_GCC_UNUSED AvahiProtocol protocol,
533
AvahiResolverEvent event,
534
const char *name,
535
const char *type,
536
const char *domain,
537
const char *host_name,
538
const AvahiAddress *address,
539
uint16_t port,
540
AVAHI_GCC_UNUSED AvahiStringList *txt,
541
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
542
AVAHI_GCC_UNUSED void* userdata) {
543
649
static void resolve_callback(AvahiSServiceResolver *r,
650
AvahiIfIndex interface,
651
AVAHI_GCC_UNUSED AvahiProtocol protocol,
652
AvahiResolverEvent event,
653
const char *name,
654
const char *type,
655
const char *domain,
656
const char *host_name,
657
const AvahiAddress *address,
658
uint16_t port,
659
AVAHI_GCC_UNUSED AvahiStringList *txt,
660
AVAHI_GCC_UNUSED AvahiLookupResultFlags
661
flags,
662
void* userdata) {
663
mandos_context *mc = userdata;
544
664
assert(r); /* Spurious warning */
545
665
546
666
/* Called whenever a service has been resolved successfully or
549
669
switch (event) {
550
670
default:
551
671
case AVAHI_RESOLVER_FAILURE:
552
fprintf(stderr, "(Resolver) Failed to resolve service '%s' of"
553
" type '%s' in domain '%s': %s\n", name, type, domain,
554
avahi_strerror(avahi_server_errno(server)));
672
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
673
" of type '%s' in domain '%s': %s\n", name, type, domain,
674
avahi_strerror(avahi_server_errno(mc->server)));
555
675
break;
556
676
557
677
case AVAHI_RESOLVER_FOUND:
559
679
char ip[AVAHI_ADDRESS_STR_MAX];
560
680
avahi_address_snprint(ip, sizeof(ip), address);
561
681
if(debug){
562
fprintf(stderr, "Mandos server \"%s\" found on %s (%s) on"
563
" port %d\n", name, host_name, ip, port);
682
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
683
PRIu16 ") on port %d\n", name, host_name, ip,
684
interface, port);
564
685
}
565
int ret = start_mandos_communication(ip, port,
566
(unsigned int) interface);
686
int ret = start_mandos_communication(ip, port, interface, mc);
567
687
if (ret == 0){
568
exit(EXIT_SUCCESS);
688
avahi_simple_poll_quit(mc->simple_poll);
569
689
}
570
690
}
571
691
}
572
692
avahi_s_service_resolver_free(r);
573
693
}
574
694
575
static void browse_callback(
576
AvahiSServiceBrowser *b,
577
AvahiIfIndex interface,
578
AvahiProtocol protocol,
579
AvahiBrowserEvent event,
580
const char *name,
581
const char *type,
582
const char *domain,
583
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
584
void* userdata) {
585
586
AvahiServer *s = userdata;
587
assert(b); /* Spurious warning */
588
589
/* Called whenever a new services becomes available on the LAN or
590
is removed from the LAN */
591
592
switch (event) {
593
default:
594
case AVAHI_BROWSER_FAILURE:
595
596
fprintf(stderr, "(Browser) %s\n",
597
avahi_strerror(avahi_server_errno(server)));
598
avahi_simple_poll_quit(simple_poll);
599
return;
600
601
case AVAHI_BROWSER_NEW:
602
/* We ignore the returned resolver object. In the callback
603
function we free it. If the server is terminated before
604
the callback function is called the server will free
605
the resolver for us. */
606
607
if (!(avahi_s_service_resolver_new(s, interface, protocol, name,
608
type, domain,
609
AVAHI_PROTO_INET6, 0,
610
resolve_callback, s)))
611
fprintf(stderr, "Failed to resolve service '%s': %s\n", name,
612
avahi_strerror(avahi_server_errno(s)));
613
break;
614
615
case AVAHI_BROWSER_REMOVE:
616
break;
617
618
case AVAHI_BROWSER_ALL_FOR_NOW:
619
case AVAHI_BROWSER_CACHE_EXHAUSTED:
620
break;
695
static void browse_callback( AvahiSServiceBrowser *b,
696
AvahiIfIndex interface,
697
AvahiProtocol protocol,
698
AvahiBrowserEvent event,
699
const char *name,
700
const char *type,
701
const char *domain,
702
AVAHI_GCC_UNUSED AvahiLookupResultFlags
703
flags,
704
void* userdata) {
705
mandos_context *mc = userdata;
706
assert(b); /* Spurious warning */
707
708
/* Called whenever a new services becomes available on the LAN or
709
is removed from the LAN */
710
711
switch (event) {
712
default:
713
case AVAHI_BROWSER_FAILURE:
714
715
fprintf(stderr, "(Avahi browser) %s\n",
716
avahi_strerror(avahi_server_errno(mc->server)));
717
avahi_simple_poll_quit(mc->simple_poll);
718
return;
719
720
case AVAHI_BROWSER_NEW:
721
/* We ignore the returned Avahi resolver object. In the callback
722
function we free it. If the Avahi server is terminated before
723
the callback function is called the Avahi server will free the
724
resolver for us. */
725
726
if (!(avahi_s_service_resolver_new(mc->server, interface,
727
protocol, name, type, domain,
728
AVAHI_PROTO_INET6, 0,
729
resolve_callback, mc)))
730
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
731
name, avahi_strerror(avahi_server_errno(mc->server)));
732
break;
733
734
case AVAHI_BROWSER_REMOVE:
735
break;
736
737
case AVAHI_BROWSER_ALL_FOR_NOW:
738
case AVAHI_BROWSER_CACHE_EXHAUSTED:
739
if(debug){
740
fprintf(stderr, "No Mandos server found, still searching...\n");
621
741
}
742
break;
743
}
622
744
}
623
745
624
/* combinds file name and path and returns the malloced new string. som sane checks could/should be added */
625
const char *combinepath(const char *first, const char *second){
746
/* Combines file name and path and returns the malloced new
747
string. some sane checks could/should be added */
748
static char *combinepath(const char *first, const char *second){
626
749
char *tmp;
627
tmp = malloc(strlen(first) + strlen(second) + 2);
628
if (tmp == NULL){
629
perror("malloc");
750
int ret = asprintf(&tmp, "%s/%s", first, second);
751
if(ret < 0){
630
752
return NULL;
631
753
}
632
strcpy(tmp, first);
633
if (first[0] != '\0' and first[strlen(first) - 1] != '/'){
634
strcat(tmp, "/");
635
}
636
strcat(tmp, second);
637
754
return tmp;
638
755
}
639
756
640
757
641
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
642
AvahiServerConfig config;
758
int main(int argc, char *argv[]){
643
759
AvahiSServiceBrowser *sb = NULL;
644
760
int error;
645
761
int ret;
646
int returncode = EXIT_SUCCESS;
762
int exitcode = EXIT_SUCCESS;
647
763
const char *interface = "eth0";
648
649
while (true){
650
static struct option long_options[] = {
651
{"debug", no_argument, (int *)&debug, 1},
652
{"interface", required_argument, 0, 'i'},
653
{"certdir", required_argument, 0, 'd'},
654
{"certkey", required_argument, 0, 'c'},
655
{"certfile", required_argument, 0, 'k'},
656
{0, 0, 0, 0} };
657
658
int option_index = 0;
659
ret = getopt_long (argc, argv, "i:", long_options,
660
&option_index);
661
662
if (ret == -1){
663
break;
664
}
665
666
switch(ret){
667
case 0:
668
break;
669
case 'i':
670
interface = optarg;
671
break;
672
case 'd':
673
certdir = optarg;
674
break;
675
case 'c':
676
certfile = optarg;
677
break;
678
case 'k':
679
certkey = optarg;
680
break;
681
default:
682
exit(EXIT_FAILURE);
683
}
684
}
685
686
certfile = combinepath(certdir, certfile);
687
if (certfile == NULL){
688
goto exit;
689
}
690
691
certkey = combinepath(certdir, certkey);
692
if (certkey == NULL){
693
goto exit;
694
}
695
764
struct ifreq network;
765
int sd;
766
uid_t uid;
767
gid_t gid;
768
char *connect_to = NULL;
769
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
770
char *pubkeyfilename = NULL;
771
char *seckeyfilename = NULL;
772
const char *pubkeyname = "pubkey.txt";
773
const char *seckeyname = "seckey.txt";
774
mandos_context mc = { .simple_poll = NULL, .server = NULL,
775
.dh_bits = 1024, .priority = "SECURE256"};
776
bool gnutls_initalized = false;
777
778
{
779
struct argp_option options[] = {
780
{ .name = "debug", .key = 128,
781
.doc = "Debug mode", .group = 3 },
782
{ .name = "connect", .key = 'c',
783
.arg = "IP",
784
.doc = "Connect directly to a sepcified mandos server",
785
.group = 1 },
786
{ .name = "interface", .key = 'i',
787
.arg = "INTERFACE",
788
.doc = "Interface that Avahi will conntect through",
789
.group = 1 },
790
{ .name = "keydir", .key = 'd',
791
.arg = "KEYDIR",
792
.doc = "Directory where the openpgp keyring is",
793
.group = 1 },
794
{ .name = "seckey", .key = 's',
795
.arg = "SECKEY",
796
.doc = "Secret openpgp key for gnutls authentication",
797
.group = 1 },
798
{ .name = "pubkey", .key = 'p',
799
.arg = "PUBKEY",
800
.doc = "Public openpgp key for gnutls authentication",
801
.group = 2 },
802
{ .name = "dh-bits", .key = 129,
803
.arg = "BITS",
804
.doc = "dh-bits to use in gnutls communication",
805
.group = 2 },
806
{ .name = "priority", .key = 130,
807
.arg = "PRIORITY",
808
.doc = "GNUTLS priority", .group = 1 },
809
{ .name = NULL }
810
};
811
812
813
error_t parse_opt (int key, char *arg,
814
struct argp_state *state) {
815
/* Get the INPUT argument from `argp_parse', which we know is
816
a pointer to our plugin list pointer. */
817
switch (key) {
818
case 128:
819
debug = true;
820
break;
821
case 'c':
822
connect_to = arg;
823
break;
824
case 'i':
825
interface = arg;
826
break;
827
case 'd':
828
keydir = arg;
829
break;
830
case 's':
831
seckeyname = arg;
832
break;
833
case 'p':
834
pubkeyname = arg;
835
break;
836
case 129:
837
errno = 0;
838
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
839
if (errno){
840
perror("strtol");
841
exit(EXIT_FAILURE);
842
}
843
break;
844
case 130:
845
mc.priority = arg;
846
break;
847
case ARGP_KEY_ARG:
848
argp_usage (state);
849
case ARGP_KEY_END:
850
break;
851
default:
852
return ARGP_ERR_UNKNOWN;
853
}
854
return 0;
855
}
856
857
struct argp argp = { .options = options, .parser = parse_opt,
858
.args_doc = "",
859
.doc = "Mandos client -- Get and decrypt"
860
" passwords from mandos server" };
861
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
862
if (ret == ARGP_ERR_UNKNOWN){
863
fprintf(stderr, "Unknown error while parsing arguments\n");
864
exitcode = EXIT_FAILURE;
865
goto end;
866
}
867
}
868
869
pubkeyfilename = combinepath(keydir, pubkeyname);
870
if (pubkeyfilename == NULL){
871
perror("combinepath");
872
exitcode = EXIT_FAILURE;
873
goto end;
874
}
875
876
seckeyfilename = combinepath(keydir, seckeyname);
877
if (seckeyfilename == NULL){
878
perror("combinepath");
879
exitcode = EXIT_FAILURE;
880
goto end;
881
}
882
883
ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);
884
if (ret == -1){
885
fprintf(stderr, "init_gnutls_global failed\n");
886
exitcode = EXIT_FAILURE;
887
goto end;
888
} else {
889
gnutls_initalized = true;
890
}
891
892
/* If the interface is down, bring it up */
893
{
894
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
895
if(sd < 0) {
896
perror("socket");
897
exitcode = EXIT_FAILURE;
898
goto end;
899
}
900
strcpy(network.ifr_name, interface); /* Spurious warning */
901
ret = ioctl(sd, SIOCGIFFLAGS, &network);
902
if(ret == -1){
903
perror("ioctl SIOCGIFFLAGS");
904
exitcode = EXIT_FAILURE;
905
goto end;
906
}
907
if((network.ifr_flags & IFF_UP) == 0){
908
network.ifr_flags |= IFF_UP;
909
ret = ioctl(sd, SIOCSIFFLAGS, &network);
910
if(ret == -1){
911
perror("ioctl SIOCSIFFLAGS");
912
exitcode = EXIT_FAILURE;
913
goto end;
914
}
915
}
916
close(sd);
917
}
918
919
uid = getuid();
920
gid = getgid();
921
922
ret = setuid(uid);
923
if (ret == -1){
924
perror("setuid");
925
}
926
927
setgid(gid);
928
if (ret == -1){
929
perror("setgid");
930
}
931
932
if_index = (AvahiIfIndex) if_nametoindex(interface);
933
if(if_index == 0){
934
fprintf(stderr, "No such interface: \"%s\"\n", interface);
935
exit(EXIT_FAILURE);
936
}
937
938
if(connect_to != NULL){
939
/* Connect directly, do not use Zeroconf */
940
/* (Mainly meant for debugging) */
941
char *address = strrchr(connect_to, ':');
942
if(address == NULL){
943
fprintf(stderr, "No colon in address\n");
944
exitcode = EXIT_FAILURE;
945
goto end;
946
}
947
errno = 0;
948
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
949
if(errno){
950
perror("Bad port number");
951
exitcode = EXIT_FAILURE;
952
goto end;
953
}
954
*address = '\0';
955
address = connect_to;
956
ret = start_mandos_communication(address, port, if_index, &mc);
957
if(ret < 0){
958
exitcode = EXIT_FAILURE;
959
} else {
960
exitcode = EXIT_SUCCESS;
961
}
962
goto end;
963
}
964
696
965
if (not debug){
697
966
avahi_set_log_function(empty_log);
698
967
}
699
968
700
/* Initialize the psuedo-RNG */
969
/* Initialize the pseudo-RNG for Avahi */
701
970
srand((unsigned int) time(NULL));
702
703
/* Allocate main loop object */
704
if (!(simple_poll = avahi_simple_poll_new())) {
705
fprintf(stderr, "Failed to create simple poll object.\n");
706
707
goto exit;
708
}
709
710
/* Do not publish any local records */
711
avahi_server_config_init(&config);
712
config.publish_hinfo = 0;
713
config.publish_addresses = 0;
714
config.publish_workstation = 0;
715
config.publish_domain = 0;
716
717
/* Allocate a new server */
718
server = avahi_server_new(avahi_simple_poll_get(simple_poll),
719
&config, NULL, NULL, &error);
720
721
/* Free the configuration data */
722
avahi_server_config_free(&config);
723
724
/* Check if creating the server object succeeded */
725
if (!server) {
726
fprintf(stderr, "Failed to create server: %s\n",
971
972
/* Allocate main Avahi loop object */
973
mc.simple_poll = avahi_simple_poll_new();
974
if (mc.simple_poll == NULL) {
975
fprintf(stderr, "Avahi: Failed to create simple poll"
976
" object.\n");
977
exitcode = EXIT_FAILURE;
978
goto end;
979
}
980
981
{
982
AvahiServerConfig config;
983
/* Do not publish any local Zeroconf records */
984
avahi_server_config_init(&config);
985
config.publish_hinfo = 0;
986
config.publish_addresses = 0;
987
config.publish_workstation = 0;
988
config.publish_domain = 0;
989
990
/* Allocate a new server */
991
mc.server = avahi_server_new(avahi_simple_poll_get
992
(mc.simple_poll), &config, NULL,
993
NULL, &error);
994
995
/* Free the Avahi configuration data */
996
avahi_server_config_free(&config);
997
}
998
999
/* Check if creating the Avahi server object succeeded */
1000
if (mc.server == NULL) {
1001
fprintf(stderr, "Failed to create Avahi server: %s\n",
727
1002
avahi_strerror(error));
728
returncode = EXIT_FAILURE;
729
goto exit;
1003
exitcode = EXIT_FAILURE;
1004
goto end;
730
1005
}
731
1006
732
/* Create the service browser */
733
sb = avahi_s_service_browser_new(server,
734
(AvahiIfIndex)
735
if_nametoindex(interface),
1007
/* Create the Avahi service browser */
1008
sb = avahi_s_service_browser_new(mc.server, if_index,
736
1009
AVAHI_PROTO_INET6,
737
1010
"_mandos._tcp", NULL, 0,
738
browse_callback, server);
739
if (!sb) {
1011
browse_callback, &mc);
1012
if (sb == NULL) {
740
1013
fprintf(stderr, "Failed to create service browser: %s\n",
741
avahi_strerror(avahi_server_errno(server)));
742
returncode = EXIT_FAILURE;
743
goto exit;
1014
avahi_strerror(avahi_server_errno(mc.server)));
1015
exitcode = EXIT_FAILURE;
1016
goto end;
744
1017
}
745
1018
746
1019
/* Run the main loop */
747
1020
748
1021
if (debug){
749
fprintf(stderr, "Starting avahi loop search\n");
1022
fprintf(stderr, "Starting Avahi loop search\n");
750
1023
}
751
1024
752
avahi_simple_poll_loop(simple_poll);
1025
avahi_simple_poll_loop(mc.simple_poll);
753
1026
754
exit:
1027
end:
755
1028
756
1029
if (debug){
757
1030
fprintf(stderr, "%s exiting\n", argv[0]);
758
1031
}
759
1032
760
1033
/* Cleanup things */
761
if (sb)
1034
if (sb != NULL)
762
1035
avahi_s_service_browser_free(sb);
763
1036
764
if (server)
765
avahi_server_free(server);
766
767
if (simple_poll)
768
avahi_simple_poll_free(simple_poll);
769
free(certfile);
770
free(certkey);
1037
if (mc.server != NULL)
1038
avahi_server_free(mc.server);
1039
1040
if (mc.simple_poll != NULL)
1041
avahi_simple_poll_free(mc.simple_poll);
1042
free(pubkeyfilename);
1043
free(seckeyfilename);
1044
1045
if (gnutls_initalized){
1046
gnutls_certificate_free_credentials(mc.cred);
1047
gnutls_global_deinit ();
1048
}
771
1049
772
return returncode;
1050
return exitcode;
773
1051
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0