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- Committer: Björn Påhlsson
- Date: 2008-07-31 16:20:47 UTC
- mto: (237.7.1 mandos) (24.1.154 mandos)
- mto: This revision was merged to the branch mainline in revision 30.
- Revision ID: belorn@braxen-20080731162047-lahe2b2prwjw8b2l
plugbasedclient:
Added support to disable plugins
Added support to change plugin directory
mandosclient.c
Fixed some funtion calls that lacked error handling
small bugfix
Added support to disable plugins
Added support to change plugin directory
mandosclient.c
Fixed some funtion calls that lacked error handling
small bugfix
- files added:
- ca.pem
- files removed:
- mandos-client.xml
- files renamed:
- clients.conf => mandos-clients.conf
- mandos-client.c => plugbasedclient.c
- plugins.d/password-request.c => plugins.d/mandosclient.c
- plugins.d/password-prompt.c => plugins.d/passprompt.c
- mandos => server.py
- files modified:
- Makefile
added
removed
plugins.d/mandosclient.c
8
8
* includes the following functions: "resolve_callback",
9
9
* "browse_callback", and parts of "main".
10
10
*
11
* Everything else is
12
* Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
11
* Everything else is Copyright © 2007-2008 Teddy Hogeborn and Björn
12
* 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 <mandos@fukt.bsnet.se>.
28
* Contact the authors at <https://www.fukt.bsnet.se/~belorn/> and
29
* <https://www.fukt.bsnet.se/~teddy/>.
29
30
*/
30
31
31
/* Needed by GPGME, specifically gpgme_data_seek() */
32
#define _FORTIFY_SOURCE 2
33
32
34
#define _LARGEFILE_SOURCE
33
35
#define _FILE_OFFSET_BITS 64
34
36
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 <sys/socket.h> /* socket(), struct sockaddr_in6,
54
struct in6_addr, inet_pton(),
55
connect() */
56
#include <assert.h> /* assert() */
57
#include <errno.h> /* perror(), errno */
58
#include <time.h> /* time() */
59
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
60
SIOCSIFFLAGS, if_indextoname(),
61
if_nametoindex(), IF_NAMESIZE */
62
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
63
getuid(), getgid(), setuid(),
64
setgid() */
65
#include <netinet/in.h>
66
#include <arpa/inet.h> /* inet_pton(), htons */
67
#include <iso646.h> /* not, and */
68
#include <argp.h> /* struct argp_option, error_t, struct
69
argp_state, struct argp,
70
argp_parse(), ARGP_KEY_ARG,
71
ARGP_KEY_END, ARGP_ERR_UNKNOWN */
72
73
/* Avahi */
74
/* All Avahi types, constants and functions
75
Avahi*, avahi_*,
76
AVAHI_* */
37
#include <stdio.h>
38
#include <assert.h>
39
#include <stdlib.h>
40
#include <time.h>
41
#include <net/if.h> /* if_nametoindex */
42
77
43
#include <avahi-core/core.h>
78
44
#include <avahi-core/lookup.h>
79
45
#include <avahi-core/log.h>
81
47
#include <avahi-common/malloc.h>
82
48
#include <avahi-common/error.h>
83
49
84
/* GnuTLS */
85
#include <gnutls/gnutls.h> /* All GnuTLS types, constants and 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 functions
94
gpgme_*
95
GPGME_PROTOCOL_OpenPGP,
96
GPG_ERR_NO_* */
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>
97
70
98
71
#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";
99
77
100
78
bool debug = false;
101
static const char *keydir = "/conf/conf.d/mandos";
102
static const char mandos_protocol_version[] = "1";
103
const char *argp_program_version = "mandosclient 1.0";
104
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
105
79
106
/* Used for passing in values through the Avahi callback functions */
107
80
typedef struct {
108
AvahiSimplePoll *simple_poll;
109
AvahiServer *server;
81
gnutls_session_t session;
110
82
gnutls_certificate_credentials_t cred;
111
unsigned int dh_bits;
112
83
gnutls_dh_params_t dh_params;
113
const char *priority;
114
} mandos_context;
115
116
/*
117
* Make room in "buffer" for at least BUFFER_SIZE additional bytes.
118
* "buffer_capacity" is how much is currently allocated,
119
* "buffer_length" is how much is already used.
120
*/
121
size_t adjustbuffer(char **buffer, size_t buffer_length,
122
size_t buffer_capacity){
123
if (buffer_length + BUFFER_SIZE > buffer_capacity){
124
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
125
if (buffer == NULL){
126
return 0;
127
}
128
buffer_capacity += BUFFER_SIZE;
129
}
130
return buffer_capacity;
131
}
132
133
/*
134
* Decrypt OpenPGP data using keyrings in HOMEDIR.
135
* Returns -1 on error
136
*/
137
static ssize_t pgp_packet_decrypt (const char *cryptotext,
138
size_t crypto_size,
139
char **plaintext,
140
const char *homedir){
84
} encrypted_session;
85
86
87
ssize_t pgp_packet_decrypt (char *packet, size_t packet_size,
88
char **new_packet, const char *homedir){
141
89
gpgme_data_t dh_crypto, dh_plain;
142
90
gpgme_ctx_t ctx;
143
91
gpgme_error_t rc;
144
92
ssize_t ret;
145
size_t plaintext_capacity = 0;
146
ssize_t plaintext_length = 0;
93
ssize_t new_packet_capacity = 0;
94
ssize_t new_packet_length = 0;
147
95
gpgme_engine_info_t engine_info;
148
96
149
97
if (debug){
150
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
98
fprintf(stderr, "Trying to decrypt OpenPGP packet\n");
151
99
}
152
100
153
101
/* Init GPGME */
159
107
return -1;
160
108
}
161
109
162
/* Set GPGME home directory for the OpenPGP engine only */
110
/* Set GPGME home directory */
163
111
rc = gpgme_get_engine_info (&engine_info);
164
112
if (rc != GPG_ERR_NO_ERROR){
165
113
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
175
123
engine_info = engine_info->next;
176
124
}
177
125
if(engine_info == NULL){
178
fprintf(stderr, "Could not set GPGME home dir to %s\n", homedir);
126
fprintf(stderr, "Could not set home dir to %s\n", homedir);
179
127
return -1;
180
128
}
181
129
182
/* Create new GPGME data buffer from memory cryptotext */
183
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
184
0);
130
/* Create new GPGME data buffer from packet buffer */
131
rc = gpgme_data_new_from_mem(&dh_crypto, packet, packet_size, 0);
185
132
if (rc != GPG_ERR_NO_ERROR){
186
133
fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
187
134
gpgme_strsource(rc), gpgme_strerror(rc));
193
140
if (rc != GPG_ERR_NO_ERROR){
194
141
fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
195
142
gpgme_strsource(rc), gpgme_strerror(rc));
196
gpgme_data_release(dh_crypto);
197
143
return -1;
198
144
}
199
145
202
148
if (rc != GPG_ERR_NO_ERROR){
203
149
fprintf(stderr, "bad gpgme_new: %s: %s\n",
204
150
gpgme_strsource(rc), gpgme_strerror(rc));
205
plaintext_length = -1;
206
goto decrypt_end;
151
return -1;
207
152
}
208
153
209
/* Decrypt data from the cryptotext data buffer to the plaintext
210
data buffer */
154
/* Decrypt data from the FILE pointer to the plaintext data
155
buffer */
211
156
rc = gpgme_op_decrypt(ctx, dh_crypto, dh_plain);
212
157
if (rc != GPG_ERR_NO_ERROR){
213
158
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
214
159
gpgme_strsource(rc), gpgme_strerror(rc));
215
plaintext_length = -1;
216
goto decrypt_end;
160
return -1;
217
161
}
218
162
219
163
if(debug){
220
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
164
fprintf(stderr, "Decryption of OpenPGP packet succeeded\n");
221
165
}
222
166
223
167
if (debug){
224
168
gpgme_decrypt_result_t result;
225
169
result = gpgme_op_decrypt_result(ctx);
249
193
}
250
194
}
251
195
196
/* Delete the GPGME FILE pointer cryptotext data buffer */
197
gpgme_data_release(dh_crypto);
198
252
199
/* Seek back to the beginning of the GPGME plaintext data buffer */
253
200
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
254
201
perror("pgpme_data_seek");
255
plaintext_length = -1;
256
goto decrypt_end;
257
202
}
258
203
259
*plaintext = NULL;
204
*new_packet = 0;
260
205
while(true){
261
plaintext_capacity = adjustbuffer(plaintext,
262
(size_t)plaintext_length,
263
plaintext_capacity);
264
if (plaintext_capacity == 0){
265
perror("adjustbuffer");
266
plaintext_length = -1;
267
goto decrypt_end;
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;
268
215
}
269
216
270
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
217
ret = gpgme_data_read(dh_plain, *new_packet + new_packet_length,
271
218
BUFFER_SIZE);
272
219
/* Print the data, if any */
273
220
if (ret == 0){
274
/* EOF */
275
221
break;
276
222
}
277
223
if(ret < 0){
278
224
perror("gpgme_data_read");
279
plaintext_length = -1;
280
goto decrypt_end;
225
return -1;
281
226
}
282
plaintext_length += ret;
227
new_packet_length += ret;
283
228
}
284
229
285
if(debug){
286
fprintf(stderr, "Decrypted password is: ");
287
for(ssize_t i = 0; i < plaintext_length; i++){
288
fprintf(stderr, "%02hhX ", (*plaintext)[i]);
289
}
290
fprintf(stderr, "\n");
291
}
292
293
decrypt_end:
294
295
/* Delete the GPGME cryptotext data buffer */
296
gpgme_data_release(dh_crypto);
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
/* } */
297
237
298
238
/* Delete the GPGME plaintext data buffer */
299
239
gpgme_data_release(dh_plain);
300
return plaintext_length;
240
return new_packet_length;
301
241
}
302
242
303
243
static const char * safer_gnutls_strerror (int value) {
307
247
return ret;
308
248
}
309
249
310
/* GnuTLS log function callback */
311
static void debuggnutls(__attribute__((unused)) int level,
312
const char* string){
313
fprintf(stderr, "GnuTLS: %s", string);
250
void debuggnutls(__attribute__((unused)) int level,
251
const char* string){
252
fprintf(stderr, "%s", string);
314
253
}
315
254
316
static int init_gnutls_global(mandos_context *mc,
317
const char *pubkeyfile,
318
const char *seckeyfile){
255
int initgnutls(encrypted_session *es){
256
const char *err;
319
257
int ret;
320
258
321
259
if(debug){
322
260
fprintf(stderr, "Initializing GnuTLS\n");
323
261
}
324
325
ret = gnutls_global_init();
326
if (ret != GNUTLS_E_SUCCESS) {
327
fprintf (stderr, "GnuTLS global_init: %s\n",
328
safer_gnutls_strerror(ret));
262
263
if ((ret = gnutls_global_init ())
264
!= GNUTLS_E_SUCCESS) {
265
fprintf (stderr, "global_init: %s\n", safer_gnutls_strerror(ret));
329
266
return -1;
330
267
}
331
268
332
269
if (debug){
333
/* "Use a log level over 10 to enable all debugging options."
334
* - GnuTLS manual
335
*/
336
270
gnutls_global_set_log_level(11);
337
271
gnutls_global_set_log_function(debuggnutls);
338
272
}
339
273
340
/* OpenPGP credentials */
341
gnutls_certificate_allocate_credentials(&mc->cred);
342
if (ret != GNUTLS_E_SUCCESS){
343
fprintf (stderr, "GnuTLS memory error: %s\n",
274
/* openpgp credentials */
275
if ((ret = gnutls_certificate_allocate_credentials (&es->cred))
276
!= GNUTLS_E_SUCCESS) {
277
fprintf (stderr, "memory error: %s\n",
344
278
safer_gnutls_strerror(ret));
345
gnutls_global_deinit ();
346
279
return -1;
347
280
}
348
281
349
282
if(debug){
350
283
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
351
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
352
seckeyfile);
284
" and keyfile %s as GnuTLS credentials\n", certfile,
285
certkey);
353
286
}
354
287
355
288
ret = gnutls_certificate_set_openpgp_key_file
356
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
289
(es->cred, certfile, certkey, GNUTLS_OPENPGP_FMT_BASE64);
357
290
if (ret != GNUTLS_E_SUCCESS) {
358
fprintf(stderr,
359
"Error[%d] while reading the OpenPGP key pair ('%s',"
360
" '%s')\n", ret, pubkeyfile, seckeyfile);
361
fprintf(stdout, "The GnuTLS error is: %s\n",
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",
362
296
safer_gnutls_strerror(ret));
363
goto globalfail;
364
}
365
366
/* GnuTLS server initialization */
367
ret = gnutls_dh_params_init(&mc->dh_params);
368
if (ret != GNUTLS_E_SUCCESS) {
369
fprintf (stderr, "Error in GnuTLS DH parameter initialization:"
370
" %s\n", safer_gnutls_strerror(ret));
371
goto globalfail;
372
}
373
ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);
374
if (ret != GNUTLS_E_SUCCESS) {
375
fprintf (stderr, "Error in GnuTLS prime generation: %s\n",
376
safer_gnutls_strerror(ret));
377
goto globalfail;
378
}
379
380
gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);
381
382
return 0;
383
384
globalfail:
385
386
gnutls_certificate_free_credentials(mc->cred);
387
gnutls_global_deinit();
388
return -1;
389
390
}
391
392
static int init_gnutls_session(mandos_context *mc,
393
gnutls_session_t *session){
394
int ret;
395
/* GnuTLS session creation */
396
ret = gnutls_init(session, GNUTLS_SERVER);
397
if (ret != GNUTLS_E_SUCCESS){
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){
398
320
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
399
321
safer_gnutls_strerror(ret));
400
322
}
401
323
402
{
403
const char *err;
404
ret = gnutls_priority_set_direct(*session, mc->priority, &err);
405
if (ret != GNUTLS_E_SUCCESS) {
406
fprintf(stderr, "Syntax error at: %s\n", err);
407
fprintf(stderr, "GnuTLS error: %s\n",
408
safer_gnutls_strerror(ret));
409
gnutls_deinit (*session);
410
return -1;
411
}
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;
412
330
}
413
331
414
ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
415
mc->cred);
416
if (ret != GNUTLS_E_SUCCESS) {
417
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
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",
418
336
safer_gnutls_strerror(ret));
419
gnutls_deinit (*session);
420
337
return -1;
421
338
}
422
339
423
340
/* ignore client certificate if any. */
424
gnutls_certificate_server_set_request (*session,
341
gnutls_certificate_server_set_request (es->session,
425
342
GNUTLS_CERT_IGNORE);
426
343
427
gnutls_dh_set_prime_bits (*session, mc->dh_bits);
344
gnutls_dh_set_prime_bits (es->session, DH_BITS);
428
345
429
346
return 0;
430
347
}
431
348
432
/* Avahi log function callback */
433
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
434
__attribute__((unused)) const char *txt){}
349
void empty_log(__attribute__((unused)) AvahiLogLevel level,
350
__attribute__((unused)) const char *txt){}
435
351
436
/* Called when a Mandos server is found */
437
static int start_mandos_communication(const char *ip, uint16_t port,
438
AvahiIfIndex if_index,
439
mandos_context *mc){
352
int start_mandos_communication(const char *ip, uint16_t port,
353
unsigned int if_index){
440
354
int ret, tcp_sd;
441
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
355
struct sockaddr_in6 to;
356
encrypted_session es;
442
357
char *buffer = NULL;
443
358
char *decrypted_buffer;
444
359
size_t buffer_length = 0;
445
360
size_t buffer_capacity = 0;
446
361
ssize_t decrypted_buffer_size;
447
size_t written;
362
size_t written = 0;
448
363
int retval = 0;
449
364
char interface[IF_NAMESIZE];
450
gnutls_session_t session;
451
452
ret = init_gnutls_session (mc, &session);
453
if (ret != 0){
454
return -1;
455
}
456
365
457
366
if(debug){
458
fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",
459
ip, port);
367
fprintf(stderr, "Setting up a tcp connection to %s\n", ip);
460
368
}
461
369
462
370
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
464
372
perror("socket");
465
373
return -1;
466
374
}
467
468
if(debug){
469
if(if_indextoname((unsigned int)if_index, interface) == NULL){
375
376
if(if_indextoname(if_index, interface) == NULL){
377
if(debug){
470
378
perror("if_indextoname");
471
return -1;
472
379
}
380
return -1;
381
}
382
383
if(debug){
473
384
fprintf(stderr, "Binding to interface %s\n", interface);
474
385
}
475
386
476
387
memset(&to,0,sizeof(to)); /* Spurious warning */
477
to.in6.sin6_family = AF_INET6;
478
/* It would be nice to have a way to detect if we were passed an
479
IPv4 address here. Now we assume an IPv6 address. */
480
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
388
to.sin6_family = AF_INET6;
389
ret = inet_pton(AF_INET6, ip, &to.sin6_addr);
481
390
if (ret < 0 ){
482
391
perror("inet_pton");
483
392
return -1;
484
}
393
}
485
394
if(ret == 0){
486
395
fprintf(stderr, "Bad address: %s\n", ip);
487
396
return -1;
488
397
}
489
to.in6.sin6_port = htons(port); /* Spurious warning */
398
to.sin6_port = htons(port); /* Spurious warning */
490
399
491
to.in6.sin6_scope_id = (uint32_t)if_index;
400
to.sin6_scope_id = (uint32_t)if_index;
492
401
493
402
if(debug){
494
fprintf(stderr, "Connection to: %s, port %d\n", ip, port);
495
char addrstr[INET6_ADDRSTRLEN] = "";
496
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
497
sizeof(addrstr)) == NULL){
498
perror("inet_ntop");
499
} else {
500
if(strcmp(addrstr, ip) != 0){
501
fprintf(stderr, "Canonical address form: %s\n", addrstr);
502
}
503
}
403
fprintf(stderr, "Connection to: %s\n", ip);
504
404
}
505
405
506
ret = connect(tcp_sd, &to.in, sizeof(to));
406
ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));
507
407
if (ret < 0){
508
408
perror("connect");
509
409
return -1;
510
410
}
511
512
const char *out = mandos_protocol_version;
513
written = 0;
514
while (true){
515
size_t out_size = strlen(out);
516
ret = TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
517
out_size - written));
518
if (ret == -1){
519
perror("write");
520
retval = -1;
521
goto mandos_end;
522
}
523
written += (size_t)ret;
524
if(written < out_size){
525
continue;
526
} else {
527
if (out == mandos_protocol_version){
528
written = 0;
529
out = "\r\n";
530
} else {
531
break;
532
}
533
}
411
412
ret = initgnutls (&es);
413
if (ret != 0){
414
retval = -1;
415
return -1;
534
416
}
535
417
418
gnutls_transport_set_ptr (es.session,
419
(gnutls_transport_ptr_t) tcp_sd);
420
536
421
if(debug){
537
422
fprintf(stderr, "Establishing TLS session with %s\n", ip);
538
423
}
539
424
540
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);
541
542
do{
543
ret = gnutls_handshake (session);
544
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
425
ret = gnutls_handshake (es.session);
545
426
546
427
if (ret != GNUTLS_E_SUCCESS){
547
428
if(debug){
548
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
429
fprintf(stderr, "\n*** Handshake failed ***\n");
549
430
gnutls_perror (ret);
550
431
}
551
432
retval = -1;
552
goto mandos_end;
433
goto exit;
553
434
}
554
435
555
/* Read OpenPGP packet that contains the wanted password */
436
//Retrieve OpenPGP packet that contains the wanted password
556
437
557
438
if(debug){
558
439
fprintf(stderr, "Retrieving pgp encrypted password from %s\n",
560
441
}
561
442
562
443
while(true){
563
buffer_capacity = adjustbuffer(&buffer, buffer_length,
564
buffer_capacity);
565
if (buffer_capacity == 0){
566
perror("adjustbuffer");
567
retval = -1;
568
goto mandos_end;
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;
569
451
}
570
452
571
ret = gnutls_record_recv(session, buffer+buffer_length,
572
BUFFER_SIZE);
453
ret = gnutls_record_recv
454
(es.session, buffer+buffer_length, BUFFER_SIZE);
573
455
if (ret == 0){
574
456
break;
575
457
}
579
461
case GNUTLS_E_AGAIN:
580
462
break;
581
463
case GNUTLS_E_REHANDSHAKE:
582
do{
583
ret = gnutls_handshake (session);
584
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
464
ret = gnutls_handshake (es.session);
585
465
if (ret < 0){
586
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
466
fprintf(stderr, "\n*** Handshake failed ***\n");
587
467
gnutls_perror (ret);
588
468
retval = -1;
589
goto mandos_end;
469
goto exit;
590
470
}
591
471
break;
592
472
default:
593
473
fprintf(stderr, "Unknown error while reading data from"
594
" encrypted session with Mandos server\n");
474
" encrypted session with mandos server\n");
595
475
retval = -1;
596
gnutls_bye (session, GNUTLS_SHUT_RDWR);
597
goto mandos_end;
476
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
477
goto exit;
598
478
}
599
479
} else {
600
480
buffer_length += (size_t) ret;
601
481
}
602
482
}
603
483
604
if(debug){
605
fprintf(stderr, "Closing TLS session\n");
606
}
607
608
gnutls_bye (session, GNUTLS_SHUT_RDWR);
609
610
484
if (buffer_length > 0){
611
485
decrypted_buffer_size = pgp_packet_decrypt(buffer,
612
486
buffer_length,
613
487
&decrypted_buffer,
614
keydir);
488
certdir);
615
489
if (decrypted_buffer_size >= 0){
616
written = 0;
617
while(written < (size_t) decrypted_buffer_size){
490
while(written < decrypted_buffer_size){
618
491
ret = (int)fwrite (decrypted_buffer + written, 1,
619
492
(size_t)decrypted_buffer_size - written,
620
493
stdout);
633
506
retval = -1;
634
507
}
635
508
}
636
637
/* Shutdown procedure */
638
639
mandos_end:
509
510
//shutdown procedure
511
512
if(debug){
513
fprintf(stderr, "Closing TLS session\n");
514
}
515
640
516
free(buffer);
517
gnutls_bye (es.session, GNUTLS_SHUT_RDWR);
518
exit:
641
519
close(tcp_sd);
642
gnutls_deinit (session);
520
gnutls_deinit (es.session);
521
gnutls_certificate_free_credentials (es.cred);
522
gnutls_global_deinit ();
643
523
return retval;
644
524
}
645
525
646
static void resolve_callback(AvahiSServiceResolver *r,
647
AvahiIfIndex interface,
648
AVAHI_GCC_UNUSED AvahiProtocol protocol,
649
AvahiResolverEvent event,
650
const char *name,
651
const char *type,
652
const char *domain,
653
const char *host_name,
654
const AvahiAddress *address,
655
uint16_t port,
656
AVAHI_GCC_UNUSED AvahiStringList *txt,
657
AVAHI_GCC_UNUSED AvahiLookupResultFlags
658
flags,
659
void* userdata) {
660
mandos_context *mc = userdata;
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
661
544
assert(r); /* Spurious warning */
662
545
663
546
/* Called whenever a service has been resolved successfully or
666
549
switch (event) {
667
550
default:
668
551
case AVAHI_RESOLVER_FAILURE:
669
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
670
" of type '%s' in domain '%s': %s\n", name, type, domain,
671
avahi_strerror(avahi_server_errno(mc->server)));
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
555
break;
673
556
674
557
case AVAHI_RESOLVER_FOUND:
676
559
char ip[AVAHI_ADDRESS_STR_MAX];
677
560
avahi_address_snprint(ip, sizeof(ip), address);
678
561
if(debug){
679
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"
680
" port %d\n", name, host_name, ip, interface, port);
562
fprintf(stderr, "Mandos server \"%s\" found on %s (%s) on"
563
" port %d\n", name, host_name, ip, port);
681
564
}
682
int ret = start_mandos_communication(ip, port, interface, mc);
565
int ret = start_mandos_communication(ip, port,
566
(unsigned int) interface);
683
567
if (ret == 0){
684
568
exit(EXIT_SUCCESS);
685
569
}
688
572
avahi_s_service_resolver_free(r);
689
573
}
690
574
691
static void browse_callback( AvahiSServiceBrowser *b,
692
AvahiIfIndex interface,
693
AvahiProtocol protocol,
694
AvahiBrowserEvent event,
695
const char *name,
696
const char *type,
697
const char *domain,
698
AVAHI_GCC_UNUSED AvahiLookupResultFlags
699
flags,
700
void* userdata) {
701
mandos_context *mc = userdata;
702
assert(b); /* Spurious warning */
703
704
/* Called whenever a new services becomes available on the LAN or
705
is removed from the LAN */
706
707
switch (event) {
708
default:
709
case AVAHI_BROWSER_FAILURE:
710
711
fprintf(stderr, "(Avahi browser) %s\n",
712
avahi_strerror(avahi_server_errno(mc->server)));
713
avahi_simple_poll_quit(mc->simple_poll);
714
return;
715
716
case AVAHI_BROWSER_NEW:
717
/* We ignore the returned Avahi resolver object. In the callback
718
function we free it. If the Avahi server is terminated before
719
the callback function is called the Avahi server will free the
720
resolver for us. */
721
722
if (!(avahi_s_service_resolver_new(mc->server, interface,
723
protocol, name, type, domain,
724
AVAHI_PROTO_INET6, 0,
725
resolve_callback, mc)))
726
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
727
name, avahi_strerror(avahi_server_errno(mc->server)));
728
break;
729
730
case AVAHI_BROWSER_REMOVE:
731
break;
732
733
case AVAHI_BROWSER_ALL_FOR_NOW:
734
case AVAHI_BROWSER_CACHE_EXHAUSTED:
735
if(debug){
736
fprintf(stderr, "No Mandos server found, still searching...\n");
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;
737
621
}
738
break;
739
}
740
622
}
741
623
742
/* Combines file name and path and returns the malloced new
743
string. some sane checks could/should be added */
744
static const char *combinepath(const char *first, const char *second){
745
size_t f_len = strlen(first);
746
size_t s_len = strlen(second);
747
char *tmp = malloc(f_len + s_len + 2);
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){
626
char *tmp;
627
tmp = malloc(strlen(first) + strlen(second) + 2);
748
628
if (tmp == NULL){
629
perror("malloc");
749
630
return NULL;
750
631
}
751
if(f_len > 0){
752
memcpy(tmp, first, f_len); /* Spurious warning */
753
}
754
tmp[f_len] = '/';
755
if(s_len > 0){
756
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
757
}
758
tmp[f_len + 1 + s_len] = '\0';
632
strcpy(tmp, first);
633
if (first[0] != '\0' and first[strlen(first) - 1] != '/'){
634
strcat(tmp, "/");
635
}
636
strcat(tmp, second);
759
637
return tmp;
760
638
}
761
639
762
640
763
int main(int argc, char *argv[]){
641
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
642
AvahiServerConfig config;
764
643
AvahiSServiceBrowser *sb = NULL;
765
644
int error;
766
645
int ret;
767
int exitcode = EXIT_SUCCESS;
646
int returncode = EXIT_SUCCESS;
768
647
const char *interface = "eth0";
769
struct ifreq network;
770
int sd;
771
uid_t uid;
772
gid_t gid;
773
char *connect_to = NULL;
774
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
775
const char *pubkeyfile = "pubkey.txt";
776
const char *seckeyfile = "seckey.txt";
777
mandos_context mc = { .simple_poll = NULL, .server = NULL,
778
.dh_bits = 1024, .priority = "SECURE256"};
779
bool gnutls_initalized = false;
780
781
{
782
struct argp_option options[] = {
783
{ .name = "debug", .key = 128,
784
.doc = "Debug mode", .group = 3 },
785
{ .name = "connect", .key = 'c',
786
.arg = "IP",
787
.doc = "Connect directly to a sepcified mandos server",
788
.group = 1 },
789
{ .name = "interface", .key = 'i',
790
.arg = "INTERFACE",
791
.doc = "Interface that Avahi will conntect through",
792
.group = 1 },
793
{ .name = "keydir", .key = 'd',
794
.arg = "KEYDIR",
795
.doc = "Directory where the openpgp keyring is",
796
.group = 1 },
797
{ .name = "seckey", .key = 's',
798
.arg = "SECKEY",
799
.doc = "Secret openpgp key for gnutls authentication",
800
.group = 1 },
801
{ .name = "pubkey", .key = 'p',
802
.arg = "PUBKEY",
803
.doc = "Public openpgp key for gnutls authentication",
804
.group = 2 },
805
{ .name = "dh-bits", .key = 129,
806
.arg = "BITS",
807
.doc = "dh-bits to use in gnutls communication",
808
.group = 2 },
809
{ .name = "priority", .key = 130,
810
.arg = "PRIORITY",
811
.doc = "GNUTLS priority", .group = 1 },
812
{ .name = NULL }
813
};
814
815
816
error_t parse_opt (int key, char *arg,
817
struct argp_state *state) {
818
/* Get the INPUT argument from `argp_parse', which we know is
819
a pointer to our plugin list pointer. */
820
switch (key) {
821
case 128:
822
debug = true;
823
break;
824
case 'c':
825
connect_to = arg;
826
break;
827
case 'i':
828
interface = arg;
829
break;
830
case 'd':
831
keydir = arg;
832
break;
833
case 's':
834
seckeyfile = arg;
835
break;
836
case 'p':
837
pubkeyfile = arg;
838
break;
839
case 129:
840
errno = 0;
841
mc.dh_bits = (unsigned int) strtol(arg, NULL, 10);
842
if (errno){
843
perror("strtol");
844
exit(EXIT_FAILURE);
845
}
846
break;
847
case 130:
848
mc.priority = arg;
849
break;
850
case ARGP_KEY_ARG:
851
argp_usage (state);
852
break;
853
case ARGP_KEY_END:
854
break;
855
default:
856
return ARGP_ERR_UNKNOWN;
857
}
858
return 0;
859
}
860
861
struct argp argp = { .options = options, .parser = parse_opt,
862
.args_doc = "",
863
.doc = "Mandos client -- Get and decrypt"
864
" passwords from mandos server" };
865
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
866
if (ret == ARGP_ERR_UNKNOWN){
867
fprintf(stderr, "Unkown error while parsing arguments\n");
868
exitcode = EXIT_FAILURE;
869
goto end;
870
}
871
}
872
873
pubkeyfile = combinepath(keydir, pubkeyfile);
874
if (pubkeyfile == NULL){
875
perror("combinepath");
876
exitcode = EXIT_FAILURE;
877
goto end;
878
}
879
880
seckeyfile = combinepath(keydir, seckeyfile);
881
if (seckeyfile == NULL){
882
perror("combinepath");
883
goto end;
884
}
885
886
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
887
if (ret == -1){
888
fprintf(stderr, "init_gnutls_global\n");
889
goto end;
890
} else {
891
gnutls_initalized = true;
892
}
893
894
uid = getuid();
895
gid = getgid();
896
897
ret = setuid(uid);
898
if (ret == -1){
899
perror("setuid");
900
}
901
902
setgid(gid);
903
if (ret == -1){
904
perror("setgid");
905
}
906
907
if_index = (AvahiIfIndex) if_nametoindex(interface);
908
if(if_index == 0){
909
fprintf(stderr, "No such interface: \"%s\"\n", interface);
910
exit(EXIT_FAILURE);
911
}
912
913
if(connect_to != NULL){
914
/* Connect directly, do not use Zeroconf */
915
/* (Mainly meant for debugging) */
916
char *address = strrchr(connect_to, ':');
917
if(address == NULL){
918
fprintf(stderr, "No colon in address\n");
919
exitcode = EXIT_FAILURE;
920
goto end;
921
}
922
errno = 0;
923
uint16_t port = (uint16_t) strtol(address+1, NULL, 10);
924
if(errno){
925
perror("Bad port number");
926
exitcode = EXIT_FAILURE;
927
goto end;
928
}
929
*address = '\0';
930
address = connect_to;
931
ret = start_mandos_communication(address, port, if_index, &mc);
932
if(ret < 0){
933
exitcode = EXIT_FAILURE;
934
} else {
935
exitcode = EXIT_SUCCESS;
936
}
937
goto end;
938
}
939
940
/* If the interface is down, bring it up */
941
{
942
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
943
if(sd < 0) {
944
perror("socket");
945
exitcode = EXIT_FAILURE;
946
goto end;
947
}
948
strcpy(network.ifr_name, interface); /* Spurious warning */
949
ret = ioctl(sd, SIOCGIFFLAGS, &network);
950
if(ret == -1){
951
perror("ioctl SIOCGIFFLAGS");
952
exitcode = EXIT_FAILURE;
953
goto end;
954
}
955
if((network.ifr_flags & IFF_UP) == 0){
956
network.ifr_flags |= IFF_UP;
957
ret = ioctl(sd, SIOCSIFFLAGS, &network);
958
if(ret == -1){
959
perror("ioctl SIOCSIFFLAGS");
960
exitcode = EXIT_FAILURE;
961
goto end;
962
}
963
}
964
close(sd);
965
}
966
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
967
696
if (not debug){
968
697
avahi_set_log_function(empty_log);
969
698
}
970
699
971
/* Initialize the pseudo-RNG for Avahi */
700
/* Initialize the psuedo-RNG */
972
701
srand((unsigned int) time(NULL));
973
974
/* Allocate main Avahi loop object */
975
mc.simple_poll = avahi_simple_poll_new();
976
if (mc.simple_poll == NULL) {
977
fprintf(stderr, "Avahi: Failed to create simple poll"
978
" object.\n");
979
exitcode = EXIT_FAILURE;
980
goto end;
981
}
982
983
{
984
AvahiServerConfig config;
985
/* Do not publish any local Zeroconf records */
986
avahi_server_config_init(&config);
987
config.publish_hinfo = 0;
988
config.publish_addresses = 0;
989
config.publish_workstation = 0;
990
config.publish_domain = 0;
991
992
/* Allocate a new server */
993
mc.server = avahi_server_new(avahi_simple_poll_get
994
(mc.simple_poll), &config, NULL,
995
NULL, &error);
996
997
/* Free the Avahi configuration data */
998
avahi_server_config_free(&config);
999
}
1000
1001
/* Check if creating the Avahi server object succeeded */
1002
if (mc.server == NULL) {
1003
fprintf(stderr, "Failed to create Avahi server: %s\n",
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",
1004
727
avahi_strerror(error));
1005
exitcode = EXIT_FAILURE;
1006
goto end;
728
returncode = EXIT_FAILURE;
729
goto exit;
1007
730
}
1008
731
1009
/* Create the Avahi service browser */
1010
sb = avahi_s_service_browser_new(mc.server, if_index,
732
/* Create the service browser */
733
sb = avahi_s_service_browser_new(server,
734
(AvahiIfIndex)
735
if_nametoindex(interface),
1011
736
AVAHI_PROTO_INET6,
1012
737
"_mandos._tcp", NULL, 0,
1013
browse_callback, &mc);
1014
if (sb == NULL) {
738
browse_callback, server);
739
if (!sb) {
1015
740
fprintf(stderr, "Failed to create service browser: %s\n",
1016
avahi_strerror(avahi_server_errno(mc.server)));
1017
exitcode = EXIT_FAILURE;
1018
goto end;
741
avahi_strerror(avahi_server_errno(server)));
742
returncode = EXIT_FAILURE;
743
goto exit;
1019
744
}
1020
745
1021
746
/* Run the main loop */
1022
747
1023
748
if (debug){
1024
fprintf(stderr, "Starting Avahi loop search\n");
749
fprintf(stderr, "Starting avahi loop search\n");
1025
750
}
1026
751
1027
avahi_simple_poll_loop(mc.simple_poll);
752
avahi_simple_poll_loop(simple_poll);
1028
753
1029
end:
754
exit:
1030
755
1031
756
if (debug){
1032
757
fprintf(stderr, "%s exiting\n", argv[0]);
1033
758
}
1034
759
1035
760
/* Cleanup things */
1036
if (sb != NULL)
761
if (sb)
1037
762
avahi_s_service_browser_free(sb);
1038
763
1039
if (mc.server != NULL)
1040
avahi_server_free(mc.server);
1041
1042
if (mc.simple_poll != NULL)
1043
avahi_simple_poll_free(mc.simple_poll);
1044
free(pubkeyfile);
1045
free(seckeyfile);
1046
1047
if (gnutls_initalized){
1048
gnutls_certificate_free_credentials(mc.cred);
1049
gnutls_global_deinit ();
1050
}
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);
1051
771
1052
return exitcode;
772
return returncode;
1053
773
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0