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- Committer: Teddy Hogeborn
- Date: 2008-08-10 16:13:23 UTC
- Revision ID: teddy@fukt.bsnet.se-20080810161323-wrh1rbpdrq0otuhf
* mandos (console): Define handler globally.
(main): If in debug mode, also reduce consol log level. Remove
console log handler before daemonizing.
(main): If in debug mode, also reduce consol log level. Remove
console log handler before daemonizing.
- files added:
- mandos-client.xml
- files removed:
- ca.pem
- files renamed:
- mandos-clients.conf => clients.conf
- server.py => mandos
- plugbasedclient.c => mandos-client.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() */
36
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
38
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(), memcpy(), strcpy() */
46
#include <sys/ioctl.h> /* ioctl */
47
#include <net/if.h> /* ifreq, SIOCGIFFLAGS, SIOCSIFFLAGS,
48
IFF_UP */
49
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
50
sockaddr_in6, PF_INET6,
51
SOCK_STREAM, INET6_ADDRSTRLEN,
52
uid_t, gid_t */
53
#include <inttypes.h> /* PRIu16 */
54
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
55
struct in6_addr, inet_pton(),
56
connect() */
57
#include <assert.h> /* assert() */
58
#include <errno.h> /* perror(), errno */
59
#include <time.h> /* time() */
60
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
61
SIOCSIFFLAGS, if_indextoname(),
62
if_nametoindex(), IF_NAMESIZE */
63
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
64
getuid(), getgid(), setuid(),
65
setgid() */
66
#include <netinet/in.h>
67
#include <arpa/inet.h> /* inet_pton(), htons */
68
#include <iso646.h> /* not, and */
69
#include <argp.h> /* struct argp_option, error_t, struct
70
argp_state, struct argp,
71
argp_parse(), ARGP_KEY_ARG,
72
ARGP_KEY_END, ARGP_ERR_UNKNOWN */
73
74
/* Avahi */
75
/* All Avahi types, constants and functions
76
Avahi*, avahi_*,
77
AVAHI_* */
43
78
#include <avahi-core/core.h>
44
79
#include <avahi-core/lookup.h>
45
80
#include <avahi-core/log.h>
47
82
#include <avahi-common/malloc.h>
48
83
#include <avahi-common/error.h>
49
84
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>
85
/* GnuTLS */
86
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and functions
87
gnutls_*
88
init_gnutls_session(),
89
GNUTLS_* */
90
#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),
91
GNUTLS_OPENPGP_FMT_BASE64 */
92
93
/* GPGME */
94
#include <gpgme.h> /* All GPGME types, constants and 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
gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET);
201
202
*new_packet = 0;
254
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
255
perror("pgpme_data_seek");
256
plaintext_length = -1;
257
goto decrypt_end;
258
}
259
260
*plaintext = NULL;
203
261
while(true){
204
if (new_packet_length + BUFFER_SIZE > new_packet_capacity){
205
*new_packet = realloc(*new_packet,
206
(unsigned int)new_packet_capacity
207
+ BUFFER_SIZE);
208
if (*new_packet == NULL){
209
perror("realloc");
210
return -1;
211
}
212
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;
213
269
}
214
270
215
ret = gpgme_data_read(dh_plain, *new_packet + new_packet_length,
271
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
216
272
BUFFER_SIZE);
217
273
/* Print the data, if any */
218
274
if (ret == 0){
275
/* EOF */
219
276
break;
220
277
}
221
278
if(ret < 0){
222
279
perror("gpgme_data_read");
223
return -1;
280
plaintext_length = -1;
281
goto decrypt_end;
224
282
}
225
new_packet_length += ret;
283
plaintext_length += ret;
226
284
}
227
285
228
/* FIXME: check characters before printing to screen so to not print
229
terminal control characters */
230
/* if(debug){ */
231
/* fprintf(stderr, "decrypted password is: "); */
232
/* fwrite(*new_packet, 1, new_packet_length, stderr); */
233
/* fprintf(stderr, "\n"); */
234
/* } */
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);
235
298
236
299
/* Delete the GPGME plaintext data buffer */
237
300
gpgme_data_release(dh_plain);
238
return new_packet_length;
301
return plaintext_length;
239
302
}
240
303
241
304
static const char * safer_gnutls_strerror (int value) {
245
308
return ret;
246
309
}
247
310
248
void debuggnutls(__attribute__((unused)) int level,
249
const char* string){
250
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);
251
315
}
252
316
253
int initgnutls(encrypted_session *es){
254
const char *err;
317
static int init_gnutls_global(mandos_context *mc,
318
const char *pubkeyfile,
319
const char *seckeyfile){
255
320
int ret;
256
321
257
322
if(debug){
258
323
fprintf(stderr, "Initializing GnuTLS\n");
259
324
}
260
261
if ((ret = gnutls_global_init ())
262
!= GNUTLS_E_SUCCESS) {
263
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));
264
330
return -1;
265
331
}
266
332
267
333
if (debug){
334
/* "Use a log level over 10 to enable all debugging options."
335
* - GnuTLS manual
336
*/
268
337
gnutls_global_set_log_level(11);
269
338
gnutls_global_set_log_function(debuggnutls);
270
339
}
271
340
272
/* openpgp credentials */
273
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
274
!= GNUTLS_E_SUCCESS) {
275
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",
276
345
safer_gnutls_strerror(ret));
346
gnutls_global_deinit ();
277
347
return -1;
278
348
}
279
349
280
350
if(debug){
281
351
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
282
" and keyfile %s as GnuTLS credentials\n", certfile,
283
certkey);
352
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
353
seckeyfile);
284
354
}
285
355
286
356
ret = gnutls_certificate_set_openpgp_key_file
287
(es->cred, certfile, certkey, GNUTLS_OPENPGP_FMT_BASE64);
357
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
288
358
if (ret != GNUTLS_E_SUCCESS) {
289
fprintf
290
(stderr, "Error[%d] while reading the OpenPGP key pair ('%s',"
291
" '%s')\n",
292
ret, certfile, certkey);
293
fprintf(stdout, "The Error is: %s\n",
359
fprintf(stderr,
360
"Error[%d] while reading the OpenPGP key pair ('%s',"
361
" '%s')\n", ret, pubkeyfile, seckeyfile);
362
fprintf(stdout, "The GnuTLS error is: %s\n",
294
363
safer_gnutls_strerror(ret));
295
return -1;
296
}
297
298
//GnuTLS server initialization
299
if ((ret = gnutls_dh_params_init (&es->dh_params))
300
!= GNUTLS_E_SUCCESS) {
301
fprintf (stderr, "Error in dh parameter initialization: %s\n",
302
safer_gnutls_strerror(ret));
303
return -1;
304
}
305
306
if ((ret = gnutls_dh_params_generate2 (es->dh_params, DH_BITS))
307
!= GNUTLS_E_SUCCESS) {
308
fprintf (stderr, "Error in prime generation: %s\n",
309
safer_gnutls_strerror(ret));
310
return -1;
311
}
312
313
gnutls_certificate_set_dh_params (es->cred, es->dh_params);
314
315
// GnuTLS session creation
316
if ((ret = gnutls_init (&es->session, GNUTLS_SERVER))
317
!= GNUTLS_E_SUCCESS){
364
goto globalfail;
365
}
366
367
/* GnuTLS server initialization */
368
ret = gnutls_dh_params_init(&mc->dh_params);
369
if (ret != GNUTLS_E_SUCCESS) {
370
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
371
" %s\n", safer_gnutls_strerror(ret));
372
goto globalfail;
373
}
374
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
375
if (ret != GNUTLS_E_SUCCESS) {
376
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
377
safer_gnutls_strerror(ret));
378
goto globalfail;
379
}
380
381
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
382
383
return 0;
384
385
globalfail:
386
387
gnutls_certificate_free_credentials(mc->cred);
388
gnutls_global_deinit();
389
return -1;
390
391
}
392
393
static int init_gnutls_session(mandos_context *mc,
394
gnutls_session_t *session){
395
int ret;
396
/* GnuTLS session creation */
397
ret = gnutls_init(session, GNUTLS_SERVER);
398
if (ret != GNUTLS_E_SUCCESS){
318
399
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
319
400
safer_gnutls_strerror(ret));
320
401
}
321
402
322
if ((ret = gnutls_priority_set_direct (es->session, "NORMAL", &err))
323
!= GNUTLS_E_SUCCESS) {
324
fprintf(stderr, "Syntax error at: %s\n", err);
325
fprintf(stderr, "GnuTLS error: %s\n",
326
safer_gnutls_strerror(ret));
327
return -1;
403
{
404
const char *err;
405
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
406
if (ret != GNUTLS_E_SUCCESS) {
407
fprintf(stderr, "Syntax error at: %s\n", err);
408
fprintf(stderr, "GnuTLS error: %s\n",
409
safer_gnutls_strerror(ret));
410
gnutls_deinit (*session);
411
return -1;
412
}
328
413
}
329
414
330
if ((ret = gnutls_credentials_set
331
(es->session, GNUTLS_CRD_CERTIFICATE, es->cred))
332
!= GNUTLS_E_SUCCESS) {
333
fprintf(stderr, "Error setting a credentials set: %s\n",
415
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
416
mc->cred);
417
if (ret != GNUTLS_E_SUCCESS) {
418
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
334
419
safer_gnutls_strerror(ret));
420
gnutls_deinit (*session);
335
421
return -1;
336
422
}
337
423
338
424
/* ignore client certificate if any. */
339
gnutls_certificate_server_set_request (es->session,
425
gnutls_certificate_server_set_request (*session,
340
426
GNUTLS_CERT_IGNORE);
341
427
342
gnutls_dh_set_prime_bits (es->session, DH_BITS);
428
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
343
429
344
430
return 0;
345
431
}
346
432
347
void empty_log(__attribute__((unused)) AvahiLogLevel level,
348
__attribute__((unused)) const char *txt){}
433
/* Avahi log function callback */
434
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
435
__attribute__((unused)) const char *txt){}
349
436
350
int start_mandos_communication(const char *ip, uint16_t port,
351
unsigned int if_index){
437
/* Called when a Mandos server is found */
438
static int start_mandos_communication(const char *ip, uint16_t port,
439
AvahiIfIndex if_index,
440
mandos_context *mc){
352
441
int ret, tcp_sd;
353
struct sockaddr_in6 to;
354
encrypted_session es;
442
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
355
443
char *buffer = NULL;
356
444
char *decrypted_buffer;
357
445
size_t buffer_length = 0;
358
446
size_t buffer_capacity = 0;
359
447
ssize_t decrypted_buffer_size;
360
size_t written = 0;
448
size_t written;
361
449
int retval = 0;
362
450
char interface[IF_NAMESIZE];
451
gnutls_session_t session;
452
453
ret = init_gnutls_session (mc, &session);
454
if (ret != 0){
455
return -1;
456
}
363
457
364
458
if(debug){
365
fprintf(stderr, "Setting up a tcp connection to %s\n", ip);
459
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
460
"\n", ip, port);
366
461
}
367
462
368
463
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
370
465
perror("socket");
371
466
return -1;
372
467
}
373
374
if(if_indextoname(if_index, interface) == NULL){
375
if(debug){
468
469
if(debug){
470
if(if_indextoname((unsigned int)if_index, interface) == NULL){
376
471
perror("if_indextoname");
472
return -1;
377
473
}
378
return -1;
379
}
380
381
if(debug){
382
474
fprintf(stderr, "Binding to interface %s\n", interface);
383
475
}
384
476
385
477
memset(&to,0,sizeof(to)); /* Spurious warning */
386
to.sin6_family = AF_INET6;
387
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
478
to.in6.sin6_family = AF_INET6;
479
/* It would be nice to have a way to detect if we were passed an
480
IPv4 address here. Now we assume an IPv6 address. */
481
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
388
482
if (ret < 0 ){
389
483
perror("inet_pton");
390
484
return -1;
391
}
485
}
392
486
if(ret == 0){
393
487
fprintf(stderr, "Bad address: %s\n", ip);
394
488
return -1;
395
489
}
396
to.sin6_port = htons(port); /* Spurious warning */
490
to.in6.sin6_port = htons(port); /* Spurious warning */
397
491
398
to.sin6_scope_id = (uint32_t)if_index;
492
to.in6.sin6_scope_id = (uint32_t)if_index;
399
493
400
494
if(debug){
401
fprintf(stderr, "Connection to: %s\n", ip);
495
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
496
port);
497
char addrstr[INET6_ADDRSTRLEN] = "";
498
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
499
sizeof(addrstr)) == NULL){
500
perror("inet_ntop");
501
} else {
502
if(strcmp(addrstr, ip) != 0){
503
fprintf(stderr, "Canonical address form: %s\n", addrstr);
504
}
505
}
402
506
}
403
507
404
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
508
ret = connect(tcp_sd, &to.in, sizeof(to));
405
509
if (ret < 0){
406
510
perror("connect");
407
511
return -1;
408
512
}
409
410
ret = initgnutls (&es);
411
if (ret != 0){
412
retval = -1;
413
return -1;
513
514
const char *out = mandos_protocol_version;
515
written = 0;
516
while (true){
517
size_t out_size = strlen(out);
518
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
519
out_size - written));
520
if (ret == -1){
521
perror("write");
522
retval = -1;
523
goto mandos_end;
524
}
525
written += (size_t)ret;
526
if(written < out_size){
527
continue;
528
} else {
529
if (out == mandos_protocol_version){
530
written = 0;
531
out = "\r\n";
532
} else {
533
break;
534
}
535
}
414
536
}
415
416
gnutls_transport_set_ptr (es.session,
417
(gnutls_transport_ptr_t) tcp_sd);
418
537
419
538
if(debug){
420
539
fprintf(stderr, "Establishing TLS session with %s\n", ip);
421
540
}
422
541
423
ret = gnutls_handshake (es.session);
542
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
543
544
do{
545
ret = gnutls_handshake (session);
546
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
424
547
425
548
if (ret != GNUTLS_E_SUCCESS){
426
549
if(debug){
427
fprintf(stderr, "\n*** Handshake failed ***\n");
550
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
428
551
gnutls_perror (ret);
429
552
}
430
553
retval = -1;
431
goto exit;
554
goto mandos_end;
432
555
}
433
556
434
//Retrieve OpenPGP packet that contains the wanted password
557
/* Read OpenPGP packet that contains the wanted password */
435
558
436
559
if(debug){
437
560
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
439
562
}
440
563
441
564
while(true){
442
if (buffer_length + BUFFER_SIZE > buffer_capacity){
443
buffer = realloc(buffer, buffer_capacity + BUFFER_SIZE);
444
if (buffer == NULL){
445
perror("realloc");
446
goto exit;
447
}
448
buffer_capacity += BUFFER_SIZE;
565
buffer_capacity = adjustbuffer(&buffer, buffer_length,
566
buffer_capacity);
567
if (buffer_capacity == 0){
568
perror("adjustbuffer");
569
retval = -1;
570
goto mandos_end;
449
571
}
450
572
451
ret = gnutls_record_recv
452
(es.session, buffer+buffer_length, BUFFER_SIZE);
573
ret = gnutls_record_recv(session, buffer+buffer_length,
574
BUFFER_SIZE);
453
575
if (ret == 0){
454
576
break;
455
577
}
459
581
case GNUTLS_E_AGAIN:
460
582
break;
461
583
case GNUTLS_E_REHANDSHAKE:
462
ret = gnutls_handshake (es.session);
584
do{
585
ret = gnutls_handshake (session);
586
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
463
587
if (ret < 0){
464
fprintf(stderr, "\n*** Handshake failed ***\n");
588
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
465
589
gnutls_perror (ret);
466
590
retval = -1;
467
goto exit;
591
goto mandos_end;
468
592
}
469
593
break;
470
594
default:
471
595
fprintf(stderr, "Unknown error while reading data from"
472
" encrypted session with mandos server\n");
596
" encrypted session with Mandos server\n");
473
597
retval = -1;
474
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
475
goto exit;
598
gnutls_bye (session, GNUTLS_SHUT_RDWR);
599
goto mandos_end;
476
600
}
477
601
} else {
478
602
buffer_length += (size_t) ret;
479
603
}
480
604
}
481
605
606
if(debug){
607
fprintf(stderr, "Closing TLS session\n");
608
}
609
610
gnutls_bye (session, GNUTLS_SHUT_RDWR);
611
482
612
if (buffer_length > 0){
483
613
decrypted_buffer_size = pgp_packet_decrypt(buffer,
484
614
buffer_length,
485
615
&decrypted_buffer,
486
certdir);
616
keydir);
487
617
if (decrypted_buffer_size >= 0){
488
while(written < decrypted_buffer_size){
618
written = 0;
619
while(written < (size_t) decrypted_buffer_size){
489
620
ret = (int)fwrite (decrypted_buffer + written, 1,
490
621
(size_t)decrypted_buffer_size - written,
491
622
stdout);
504
635
retval = -1;
505
636
}
506
637
}
507
508
//shutdown procedure
509
510
if(debug){
511
fprintf(stderr, "Closing TLS session\n");
512
}
513
638
639
/* Shutdown procedure */
640
641
mandos_end:
514
642
free(buffer);
515
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
516
exit:
517
643
close(tcp_sd);
518
gnutls_deinit (es.session);
519
gnutls_certificate_free_credentials (es.cred);
520
gnutls_global_deinit ();
644
gnutls_deinit (session);
521
645
return retval;
522
646
}
523
647
524
static AvahiSimplePoll *simple_poll = NULL;
525
static AvahiServer *server = NULL;
526
527
static void resolve_callback(
528
AvahiSServiceResolver *r,
529
AvahiIfIndex interface,
530
AVAHI_GCC_UNUSED AvahiProtocol protocol,
531
AvahiResolverEvent event,
532
const char *name,
533
const char *type,
534
const char *domain,
535
const char *host_name,
536
const AvahiAddress *address,
537
uint16_t port,
538
AVAHI_GCC_UNUSED AvahiStringList *txt,
539
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
540
AVAHI_GCC_UNUSED void* userdata) {
541
648
static void resolve_callback(AvahiSServiceResolver *r,
649
AvahiIfIndex interface,
650
AVAHI_GCC_UNUSED AvahiProtocol protocol,
651
AvahiResolverEvent event,
652
const char *name,
653
const char *type,
654
const char *domain,
655
const char *host_name,
656
const AvahiAddress *address,
657
uint16_t port,
658
AVAHI_GCC_UNUSED AvahiStringList *txt,
659
AVAHI_GCC_UNUSED AvahiLookupResultFlags
660
flags,
661
void* userdata) {
662
mandos_context *mc = userdata;
542
663
assert(r); /* Spurious warning */
543
664
544
665
/* Called whenever a service has been resolved successfully or
547
668
switch (event) {
548
669
default:
549
670
case AVAHI_RESOLVER_FAILURE:
550
fprintf(stderr, "(Resolver) Failed to resolve service '%s' of"
551
" type '%s' in domain '%s': %s\n", name, type, domain,
552
avahi_strerror(avahi_server_errno(server)));
671
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
672
" of type '%s' in domain '%s': %s\n", name, type, domain,
673
avahi_strerror(avahi_server_errno(mc->server)));
553
674
break;
554
675
555
676
case AVAHI_RESOLVER_FOUND:
557
678
char ip[AVAHI_ADDRESS_STR_MAX];
558
679
avahi_address_snprint(ip, sizeof(ip), address);
559
680
if(debug){
560
fprintf(stderr, "Mandos server \"%s\" found on %s (%s) on"
561
" port %d\n", name, host_name, ip, port);
681
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
682
PRIu16 ") on port %d\n", name, host_name, ip,
683
interface, port);
562
684
}
563
int ret = start_mandos_communication(ip, port,
564
(unsigned int) interface);
685
int ret = start_mandos_communication(ip, port, interface, mc);
565
686
if (ret == 0){
566
687
exit(EXIT_SUCCESS);
567
688
}
570
691
avahi_s_service_resolver_free(r);
571
692
}
572
693
573
static void browse_callback(
574
AvahiSServiceBrowser *b,
575
AvahiIfIndex interface,
576
AvahiProtocol protocol,
577
AvahiBrowserEvent event,
578
const char *name,
579
const char *type,
580
const char *domain,
581
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
582
void* userdata) {
583
584
AvahiServer *s = userdata;
585
assert(b); /* Spurious warning */
586
587
/* Called whenever a new services becomes available on the LAN or
588
is removed from the LAN */
589
590
switch (event) {
591
default:
592
case AVAHI_BROWSER_FAILURE:
593
594
fprintf(stderr, "(Browser) %s\n",
595
avahi_strerror(avahi_server_errno(server)));
596
avahi_simple_poll_quit(simple_poll);
597
return;
598
599
case AVAHI_BROWSER_NEW:
600
/* We ignore the returned resolver object. In the callback
601
function we free it. If the server is terminated before
602
the callback function is called the server will free
603
the resolver for us. */
604
605
if (!(avahi_s_service_resolver_new(s, interface, protocol, name,
606
type, domain,
607
AVAHI_PROTO_INET6, 0,
608
resolve_callback, s)))
609
fprintf(stderr, "Failed to resolve service '%s': %s\n", name,
610
avahi_strerror(avahi_server_errno(s)));
611
break;
612
613
case AVAHI_BROWSER_REMOVE:
614
break;
615
616
case AVAHI_BROWSER_ALL_FOR_NOW:
617
case AVAHI_BROWSER_CACHE_EXHAUSTED:
618
break;
694
static void browse_callback( AvahiSServiceBrowser *b,
695
AvahiIfIndex interface,
696
AvahiProtocol protocol,
697
AvahiBrowserEvent event,
698
const char *name,
699
const char *type,
700
const char *domain,
701
AVAHI_GCC_UNUSED AvahiLookupResultFlags
702
flags,
703
void* userdata) {
704
mandos_context *mc = userdata;
705
assert(b); /* Spurious warning */
706
707
/* Called whenever a new services becomes available on the LAN or
708
is removed from the LAN */
709
710
switch (event) {
711
default:
712
case AVAHI_BROWSER_FAILURE:
713
714
fprintf(stderr, "(Avahi browser) %s\n",
715
avahi_strerror(avahi_server_errno(mc->server)));
716
avahi_simple_poll_quit(mc->simple_poll);
717
return;
718
719
case AVAHI_BROWSER_NEW:
720
/* We ignore the returned Avahi resolver object. In the callback
721
function we free it. If the Avahi server is terminated before
722
the callback function is called the Avahi server will free the
723
resolver for us. */
724
725
if (!(avahi_s_service_resolver_new(mc->server, interface,
726
protocol, name, type, domain,
727
AVAHI_PROTO_INET6, 0,
728
resolve_callback, mc)))
729
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
730
name, avahi_strerror(avahi_server_errno(mc->server)));
731
break;
732
733
case AVAHI_BROWSER_REMOVE:
734
break;
735
736
case AVAHI_BROWSER_ALL_FOR_NOW:
737
case AVAHI_BROWSER_CACHE_EXHAUSTED:
738
if(debug){
739
fprintf(stderr, "No Mandos server found, still searching...\n");
619
740
}
741
break;
742
}
620
743
}
621
744
622
/* combinds two strings and returns the malloced new string. som sane checks could/should be added */
623
const char *combinestrings(const char *first, const char *second){
624
char *tmp;
625
tmp = malloc(strlen(first) + strlen(second));
745
/* Combines file name and path and returns the malloced new
746
string. some sane checks could/should be added */
747
static const char *combinepath(const char *first, const char *second){
748
size_t f_len = strlen(first);
749
size_t s_len = strlen(second);
750
char *tmp = malloc(f_len + s_len + 2);
626
751
if (tmp == NULL){
627
perror("malloc");
628
752
return NULL;
629
753
}
630
strcpy(tmp, first);
631
strcat(tmp, second);
754
if(f_len > 0){
755
memcpy(tmp, first, f_len); /* Spurious warning */
756
}
757
tmp[f_len] = '/';
758
if(s_len > 0){
759
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
760
}
761
tmp[f_len + 1 + s_len] = '\0';
632
762
return tmp;
633
763
}
634
764
635
765
636
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
637
AvahiServerConfig config;
766
int main(int argc, char *argv[]){
638
767
AvahiSServiceBrowser *sb = NULL;
639
768
int error;
640
769
int ret;
641
int returncode = EXIT_SUCCESS;
770
int exitcode = EXIT_SUCCESS;
642
771
const char *interface = "eth0";
643
644
while (true){
645
static struct option long_options[] = {
646
{"debug", no_argument, (int *)&debug, 1},
647
{"interface", required_argument, 0, 'i'},
648
{"certdir", required_argument, 0, 'd'},
649
{"certkey", required_argument, 0, 'c'},
650
{"certfile", required_argument, 0, 'k'},
651
{0, 0, 0, 0} };
652
653
int option_index = 0;
654
ret = getopt_long (argc, argv, "i:", long_options,
655
&option_index);
656
657
if (ret == -1){
658
break;
659
}
660
661
switch(ret){
662
case 0:
663
break;
664
case 'i':
665
interface = optarg;
666
break;
667
case 'd':
668
certdir = optarg;
669
break;
670
case 'c':
671
certfile = optarg;
672
break;
673
case 'k':
674
certkey = optarg;
675
break;
676
default:
677
exit(EXIT_FAILURE);
678
}
679
}
680
681
certfile = combinestrings(certdir, certfile);
682
if (certfile == NULL){
683
goto exit;
684
}
685
686
certkey = combinestrings(certdir, certkey);
687
if (certkey == NULL){
688
goto exit;
689
}
690
772
struct ifreq network;
773
int sd;
774
uid_t uid;
775
gid_t gid;
776
char *connect_to = NULL;
777
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
778
const char *pubkeyfile = "pubkey.txt";
779
const char *seckeyfile = "seckey.txt";
780
mandos_context mc = { .simple_poll = NULL, .server = NULL,
781
.dh_bits = 1024, .priority = "SECURE256"};
782
bool gnutls_initalized = false;
783
784
{
785
struct argp_option options[] = {
786
{ .name = "debug", .key = 128,
787
.doc = "Debug mode", .group = 3 },
788
{ .name = "connect", .key = 'c',
789
.arg = "IP",
790
.doc = "Connect directly to a sepcified mandos server",
791
.group = 1 },
792
{ .name = "interface", .key = 'i',
793
.arg = "INTERFACE",
794
.doc = "Interface that Avahi will conntect through",
795
.group = 1 },
796
{ .name = "keydir", .key = 'd',
797
.arg = "KEYDIR",
798
.doc = "Directory where the openpgp keyring is",
799
.group = 1 },
800
{ .name = "seckey", .key = 's',
801
.arg = "SECKEY",
802
.doc = "Secret openpgp key for gnutls authentication",
803
.group = 1 },
804
{ .name = "pubkey", .key = 'p',
805
.arg = "PUBKEY",
806
.doc = "Public openpgp key for gnutls authentication",
807
.group = 2 },
808
{ .name = "dh-bits", .key = 129,
809
.arg = "BITS",
810
.doc = "dh-bits to use in gnutls communication",
811
.group = 2 },
812
{ .name = "priority", .key = 130,
813
.arg = "PRIORITY",
814
.doc = "GNUTLS priority", .group = 1 },
815
{ .name = NULL }
816
};
817
818
819
error_t parse_opt (int key, char *arg,
820
struct argp_state *state) {
821
/* Get the INPUT argument from `argp_parse', which we know is
822
a pointer to our plugin list pointer. */
823
switch (key) {
824
case 128:
825
debug = true;
826
break;
827
case 'c':
828
connect_to = arg;
829
break;
830
case 'i':
831
interface = arg;
832
break;
833
case 'd':
834
keydir = arg;
835
break;
836
case 's':
837
seckeyfile = arg;
838
break;
839
case 'p':
840
pubkeyfile = arg;
841
break;
842
case 129:
843
errno = 0;
844
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
845
if (errno){
846
perror("strtol");
847
exit(EXIT_FAILURE);
848
}
849
break;
850
case 130:
851
mc.priority = arg;
852
break;
853
case ARGP_KEY_ARG:
854
argp_usage (state);
855
break;
856
case ARGP_KEY_END:
857
break;
858
default:
859
return ARGP_ERR_UNKNOWN;
860
}
861
return 0;
862
}
863
864
struct argp argp = { .options = options, .parser = parse_opt,
865
.args_doc = "",
866
.doc = "Mandos client -- Get and decrypt"
867
" passwords from mandos server" };
868
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
869
if (ret == ARGP_ERR_UNKNOWN){
870
fprintf(stderr, "Unkown error while parsing arguments\n");
871
exitcode = EXIT_FAILURE;
872
goto end;
873
}
874
}
875
876
pubkeyfile = combinepath(keydir, pubkeyfile);
877
if (pubkeyfile == NULL){
878
perror("combinepath");
879
exitcode = EXIT_FAILURE;
880
goto end;
881
}
882
883
seckeyfile = combinepath(keydir, seckeyfile);
884
if (seckeyfile == NULL){
885
perror("combinepath");
886
goto end;
887
}
888
889
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
890
if (ret == -1){
891
fprintf(stderr, "init_gnutls_global\n");
892
goto end;
893
} else {
894
gnutls_initalized = true;
895
}
896
897
uid = getuid();
898
gid = getgid();
899
900
ret = setuid(uid);
901
if (ret == -1){
902
perror("setuid");
903
}
904
905
setgid(gid);
906
if (ret == -1){
907
perror("setgid");
908
}
909
910
if_index = (AvahiIfIndex) if_nametoindex(interface);
911
if(if_index == 0){
912
fprintf(stderr, "No such interface: \"%s\"\n", interface);
913
exit(EXIT_FAILURE);
914
}
915
916
if(connect_to != NULL){
917
/* Connect directly, do not use Zeroconf */
918
/* (Mainly meant for debugging) */
919
char *address = strrchr(connect_to, ':');
920
if(address == NULL){
921
fprintf(stderr, "No colon in address\n");
922
exitcode = EXIT_FAILURE;
923
goto end;
924
}
925
errno = 0;
926
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
927
if(errno){
928
perror("Bad port number");
929
exitcode = EXIT_FAILURE;
930
goto end;
931
}
932
*address = '\0';
933
address = connect_to;
934
ret = start_mandos_communication(address, port, if_index, &mc);
935
if(ret < 0){
936
exitcode = EXIT_FAILURE;
937
} else {
938
exitcode = EXIT_SUCCESS;
939
}
940
goto end;
941
}
942
943
/* If the interface is down, bring it up */
944
{
945
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
946
if(sd < 0) {
947
perror("socket");
948
exitcode = EXIT_FAILURE;
949
goto end;
950
}
951
strcpy(network.ifr_name, interface); /* Spurious warning */
952
ret = ioctl(sd, SIOCGIFFLAGS, &network);
953
if(ret == -1){
954
perror("ioctl SIOCGIFFLAGS");
955
exitcode = EXIT_FAILURE;
956
goto end;
957
}
958
if((network.ifr_flags & IFF_UP) == 0){
959
network.ifr_flags |= IFF_UP;
960
ret = ioctl(sd, SIOCSIFFLAGS, &network);
961
if(ret == -1){
962
perror("ioctl SIOCSIFFLAGS");
963
exitcode = EXIT_FAILURE;
964
goto end;
965
}
966
}
967
close(sd);
968
}
969
691
970
if (not debug){
692
971
avahi_set_log_function(empty_log);
693
972
}
694
973
695
/* Initialize the psuedo-RNG */
974
/* Initialize the pseudo-RNG for Avahi */
696
975
srand((unsigned int) time(NULL));
697
698
/* Allocate main loop object */
699
if (!(simple_poll = avahi_simple_poll_new())) {
700
fprintf(stderr, "Failed to create simple poll object.\n");
701
702
goto exit;
703
}
704
705
/* Do not publish any local records */
706
avahi_server_config_init(&config);
707
config.publish_hinfo = 0;
708
config.publish_addresses = 0;
709
config.publish_workstation = 0;
710
config.publish_domain = 0;
711
712
/* Allocate a new server */
713
server = avahi_server_new(avahi_simple_poll_get(simple_poll),
714
&config, NULL, NULL, &error);
715
716
/* Free the configuration data */
717
avahi_server_config_free(&config);
718
719
/* Check if creating the server object succeeded */
720
if (!server) {
721
fprintf(stderr, "Failed to create server: %s\n",
976
977
/* Allocate main Avahi loop object */
978
mc.simple_poll = avahi_simple_poll_new();
979
if (mc.simple_poll == NULL) {
980
fprintf(stderr, "Avahi: Failed to create simple poll"
981
" object.\n");
982
exitcode = EXIT_FAILURE;
983
goto end;
984
}
985
986
{
987
AvahiServerConfig config;
988
/* Do not publish any local Zeroconf records */
989
avahi_server_config_init(&config);
990
config.publish_hinfo = 0;
991
config.publish_addresses = 0;
992
config.publish_workstation = 0;
993
config.publish_domain = 0;
994
995
/* Allocate a new server */
996
mc.server = avahi_server_new(avahi_simple_poll_get
997
(mc.simple_poll), &config, NULL,
998
NULL, &error);
999
1000
/* Free the Avahi configuration data */
1001
avahi_server_config_free(&config);
1002
}
1003
1004
/* Check if creating the Avahi server object succeeded */
1005
if (mc.server == NULL) {
1006
fprintf(stderr, "Failed to create Avahi server: %s\n",
722
1007
avahi_strerror(error));
723
returncode = EXIT_FAILURE;
724
goto exit;
1008
exitcode = EXIT_FAILURE;
1009
goto end;
725
1010
}
726
1011
727
/* Create the service browser */
728
sb = avahi_s_service_browser_new(server,
729
(AvahiIfIndex)
730
if_nametoindex(interface),
1012
/* Create the Avahi service browser */
1013
sb = avahi_s_service_browser_new(mc.server, if_index,
731
1014
AVAHI_PROTO_INET6,
732
1015
"_mandos._tcp", NULL, 0,
733
browse_callback, server);
734
if (!sb) {
1016
browse_callback, &mc);
1017
if (sb == NULL) {
735
1018
fprintf(stderr, "Failed to create service browser: %s\n",
736
avahi_strerror(avahi_server_errno(server)));
737
returncode = EXIT_FAILURE;
738
goto exit;
1019
avahi_strerror(avahi_server_errno(mc.server)));
1020
exitcode = EXIT_FAILURE;
1021
goto end;
739
1022
}
740
1023
741
1024
/* Run the main loop */
742
1025
743
1026
if (debug){
744
fprintf(stderr, "Starting avahi loop search\n");
1027
fprintf(stderr, "Starting Avahi loop search\n");
745
1028
}
746
1029
747
avahi_simple_poll_loop(simple_poll);
1030
avahi_simple_poll_loop(mc.simple_poll);
748
1031
749
exit:
1032
end:
750
1033
751
1034
if (debug){
752
1035
fprintf(stderr, "%s exiting\n", argv[0]);
753
1036
}
754
1037
755
1038
/* Cleanup things */
756
if (sb)
1039
if (sb != NULL)
757
1040
avahi_s_service_browser_free(sb);
758
1041
759
if (server)
760
avahi_server_free(server);
761
762
if (simple_poll)
763
avahi_simple_poll_free(simple_poll);
764
765
return returncode;
1042
if (mc.server != NULL)
1043
avahi_server_free(mc.server);
1044
1045
if (mc.simple_poll != NULL)
1046
avahi_simple_poll_free(mc.simple_poll);
1047
free(pubkeyfile);
1048
free(seckeyfile);
1049
1050
if (gnutls_initalized){
1051
gnutls_certificate_free_credentials(mc.cred);
1052
gnutls_global_deinit ();
1053
}
1054
1055
return exitcode;
766
1056
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0