174
174
perror(print_text);
177
int fprintf_plus(FILE *stream, const char *format, ...){
179
va_start (ap, format);
181
TEMP_FAILURE_RETRY(fprintf(stream, "Mandos plugin %s: ",
182
program_invocation_short_name));
183
return TEMP_FAILURE_RETRY(vfprintf(stream, format, ap));
178
187
* Make additional room in "buffer" for at least BUFFER_SIZE more
179
188
* bytes. "buffer_capacity" is how much is currently allocated,
254
263
rc = gpgme_data_new_from_fd(&pgp_data, fd);
255
264
if(rc != GPG_ERR_NO_ERROR){
256
fprintf(stderr, "Mandos plugin mandos-client: "
257
"bad gpgme_data_new_from_fd: %s: %s\n",
258
gpgme_strsource(rc), gpgme_strerror(rc));
265
fprintf_plus(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
266
gpgme_strsource(rc), gpgme_strerror(rc));
262
270
rc = gpgme_op_import(mc.ctx, pgp_data);
263
271
if(rc != GPG_ERR_NO_ERROR){
264
fprintf(stderr, "Mandos plugin mandos-client: "
265
"bad gpgme_op_import: %s: %s\n",
266
gpgme_strsource(rc), gpgme_strerror(rc));
272
fprintf_plus(stderr, "bad gpgme_op_import: %s: %s\n",
273
gpgme_strsource(rc), gpgme_strerror(rc));
279
fprintf(stderr, "Mandos plugin mandos-client: "
280
"Initializing GPGME\n");
286
fprintf_plus(stderr, "Initializing GPGME\n");
284
290
gpgme_check_version(NULL);
285
291
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
286
292
if(rc != GPG_ERR_NO_ERROR){
287
fprintf(stderr, "Mandos plugin mandos-client: "
288
"bad gpgme_engine_check_version: %s: %s\n",
289
gpgme_strsource(rc), gpgme_strerror(rc));
293
fprintf_plus(stderr, "bad gpgme_engine_check_version: %s: %s\n",
294
gpgme_strsource(rc), gpgme_strerror(rc));
293
298
/* Set GPGME home directory for the OpenPGP engine only */
294
299
rc = gpgme_get_engine_info(&engine_info);
295
300
if(rc != GPG_ERR_NO_ERROR){
296
fprintf(stderr, "Mandos plugin mandos-client: "
297
"bad gpgme_get_engine_info: %s: %s\n",
298
gpgme_strsource(rc), gpgme_strerror(rc));
301
fprintf_plus(stderr, "bad gpgme_get_engine_info: %s: %s\n",
302
gpgme_strsource(rc), gpgme_strerror(rc));
301
305
while(engine_info != NULL){
307
311
engine_info = engine_info->next;
309
313
if(engine_info == NULL){
310
fprintf(stderr, "Mandos plugin mandos-client: "
311
"Could not set GPGME home dir to %s\n", tempdir);
314
fprintf_plus(stderr, "Could not set GPGME home dir to %s\n",
315
319
/* Create new GPGME "context" */
316
320
rc = gpgme_new(&(mc.ctx));
317
321
if(rc != GPG_ERR_NO_ERROR){
318
fprintf(stderr, "Mandos plugin mandos-client: "
319
"bad gpgme_new: %s: %s\n", gpgme_strsource(rc),
322
fprintf_plus(stderr, "Mandos plugin mandos-client: "
323
"bad gpgme_new: %s: %s\n", gpgme_strsource(rc),
342
346
ssize_t plaintext_length = 0;
345
fprintf(stderr, "Mandos plugin mandos-client: "
346
"Trying to decrypt OpenPGP data\n");
349
fprintf_plus(stderr, "Trying to decrypt OpenPGP data\n");
349
352
/* Create new GPGME data buffer from memory cryptotext */
350
353
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
352
355
if(rc != GPG_ERR_NO_ERROR){
353
fprintf(stderr, "Mandos plugin mandos-client: "
354
"bad gpgme_data_new_from_mem: %s: %s\n",
355
gpgme_strsource(rc), gpgme_strerror(rc));
356
fprintf_plus(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
357
gpgme_strsource(rc), gpgme_strerror(rc));
359
361
/* Create new empty GPGME data buffer for the plaintext */
360
362
rc = gpgme_data_new(&dh_plain);
361
363
if(rc != GPG_ERR_NO_ERROR){
362
fprintf(stderr, "Mandos plugin mandos-client: "
363
"bad gpgme_data_new: %s: %s\n",
364
gpgme_strsource(rc), gpgme_strerror(rc));
364
fprintf_plus(stderr, "Mandos plugin mandos-client: "
365
"bad gpgme_data_new: %s: %s\n",
366
gpgme_strsource(rc), gpgme_strerror(rc));
365
367
gpgme_data_release(dh_crypto);
371
373
rc = gpgme_op_decrypt(mc.ctx, dh_crypto, dh_plain);
372
374
if(rc != GPG_ERR_NO_ERROR){
373
fprintf(stderr, "Mandos plugin mandos-client: "
374
"bad gpgme_op_decrypt: %s: %s\n",
375
gpgme_strsource(rc), gpgme_strerror(rc));
375
fprintf_plus(stderr, "bad gpgme_op_decrypt: %s: %s\n",
376
gpgme_strsource(rc), gpgme_strerror(rc));
376
377
plaintext_length = -1;
378
379
gpgme_decrypt_result_t result;
379
380
result = gpgme_op_decrypt_result(mc.ctx);
380
381
if(result == NULL){
381
fprintf(stderr, "Mandos plugin mandos-client: "
382
"gpgme_op_decrypt_result failed\n");
382
fprintf_plus(stderr, "gpgme_op_decrypt_result failed\n");
384
fprintf(stderr, "Mandos plugin mandos-client: "
385
"Unsupported algorithm: %s\n",
386
result->unsupported_algorithm);
387
fprintf(stderr, "Mandos plugin mandos-client: "
388
"Wrong key usage: %u\n",
389
result->wrong_key_usage);
384
fprintf_plus(stderr, "Unsupported algorithm: %s\n",
385
result->unsupported_algorithm);
386
fprintf_plus(stderr, "Wrong key usage: %u\n",
387
result->wrong_key_usage);
390
388
if(result->file_name != NULL){
391
fprintf(stderr, "Mandos plugin mandos-client: "
392
"File name: %s\n", result->file_name);
389
fprintf_plus(stderr, "File name: %s\n", result->file_name);
394
391
gpgme_recipient_t recipient;
395
392
recipient = result->recipients;
396
393
while(recipient != NULL){
397
fprintf(stderr, "Mandos plugin mandos-client: "
398
"Public key algorithm: %s\n",
399
gpgme_pubkey_algo_name(recipient->pubkey_algo));
400
fprintf(stderr, "Mandos plugin mandos-client: "
401
"Key ID: %s\n", recipient->keyid);
402
fprintf(stderr, "Mandos plugin mandos-client: "
403
"Secret key available: %s\n",
404
recipient->status == GPG_ERR_NO_SECKEY
394
fprintf_plus(stderr, "Public key algorithm: %s\n",
395
gpgme_pubkey_algo_name
396
(recipient->pubkey_algo));
397
fprintf_plus(stderr, "Key ID: %s\n", recipient->keyid);
398
fprintf_plus(stderr, "Secret key available: %s\n",
399
recipient->status == GPG_ERR_NO_SECKEY
406
401
recipient = recipient->next;
489
fprintf(stderr, "Mandos plugin mandos-client: "
490
"Initializing GnuTLS\n");
482
fprintf_plus(stderr, "Initializing GnuTLS\n");
493
485
ret = gnutls_global_init();
494
486
if(ret != GNUTLS_E_SUCCESS){
495
fprintf(stderr, "Mandos plugin mandos-client: "
496
"GnuTLS global_init: %s\n", safer_gnutls_strerror(ret));
487
fprintf_plus(stderr, "GnuTLS global_init: %s\n",
488
safer_gnutls_strerror(ret));
508
500
/* OpenPGP credentials */
509
501
ret = gnutls_certificate_allocate_credentials(&mc.cred);
510
502
if(ret != GNUTLS_E_SUCCESS){
511
fprintf(stderr, "Mandos plugin mandos-client: "
512
"GnuTLS memory error: %s\n", safer_gnutls_strerror(ret));
503
fprintf_plus(stderr, "GnuTLS memory error: %s\n",
504
safer_gnutls_strerror(ret));
513
505
gnutls_global_deinit();
518
fprintf(stderr, "Mandos plugin mandos-client: "
519
"Attempting to use OpenPGP public key %s and"
520
" secret key %s as GnuTLS credentials\n", pubkeyfilename,
510
fprintf_plus(stderr, "Attempting to use OpenPGP public key %s and"
511
" secret key %s as GnuTLS credentials\n",
524
516
ret = gnutls_certificate_set_openpgp_key_file
525
517
(mc.cred, pubkeyfilename, seckeyfilename,
526
518
GNUTLS_OPENPGP_FMT_BASE64);
527
519
if(ret != GNUTLS_E_SUCCESS){
529
"Mandos plugin mandos-client: "
530
"Error[%d] while reading the OpenPGP key pair ('%s',"
531
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
532
fprintf(stderr, "Mandos plugin mandos-client: "
533
"The GnuTLS error is: %s\n", safer_gnutls_strerror(ret));
521
"Error[%d] while reading the OpenPGP key pair ('%s',"
522
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
523
fprintf_plus(stderr, "The GnuTLS error is: %s\n",
524
safer_gnutls_strerror(ret));
537
528
/* GnuTLS server initialization */
538
529
ret = gnutls_dh_params_init(&mc.dh_params);
539
530
if(ret != GNUTLS_E_SUCCESS){
540
fprintf(stderr, "Mandos plugin mandos-client: "
541
"Error in GnuTLS DH parameter initialization:"
542
" %s\n", safer_gnutls_strerror(ret));
531
fprintf_plus(stderr, "Error in GnuTLS DH parameter"
532
" initialization: %s\n",
533
safer_gnutls_strerror(ret));
545
536
ret = gnutls_dh_params_generate2(mc.dh_params, mc.dh_bits);
546
537
if(ret != GNUTLS_E_SUCCESS){
547
fprintf(stderr, "Mandos plugin mandos-client: "
548
"Error in GnuTLS prime generation: %s\n",
549
safer_gnutls_strerror(ret));
538
fprintf_plus(stderr, "Error in GnuTLS prime generation: %s\n",
539
safer_gnutls_strerror(ret));
573
563
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
574
564
if(ret != GNUTLS_E_SUCCESS){
575
fprintf(stderr, "Mandos plugin mandos-client: "
576
"Error in GnuTLS session initialization: %s\n",
577
safer_gnutls_strerror(ret));
566
"Error in GnuTLS session initialization: %s\n",
567
safer_gnutls_strerror(ret));
588
578
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
589
579
if(ret != GNUTLS_E_SUCCESS){
590
fprintf(stderr, "Mandos plugin mandos-client: "
591
"Syntax error at: %s\n", err);
592
fprintf(stderr, "Mandos plugin mandos-client: "
593
"GnuTLS error: %s\n", safer_gnutls_strerror(ret));
580
fprintf_plus(stderr, "Syntax error at: %s\n", err);
581
fprintf_plus(stderr, "GnuTLS error: %s\n",
582
safer_gnutls_strerror(ret));
594
583
gnutls_deinit(*session);
606
595
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
607
596
if(ret != GNUTLS_E_SUCCESS){
608
fprintf(stderr, "Mandos plugin mandos-client: "
609
"Error setting GnuTLS credentials: %s\n",
610
safer_gnutls_strerror(ret));
597
fprintf_plus(stderr, "Error setting GnuTLS credentials: %s\n",
598
safer_gnutls_strerror(ret));
611
599
gnutls_deinit(*session);
718
703
(&to.in6.sin6_addr)){ /* -Wstrict-aliasing=2 or lower and
719
704
-Wunreachable-code*/
720
705
if(if_index == AVAHI_IF_UNSPEC){
721
fprintf(stderr, "Mandos plugin mandos-client: "
722
"An IPv6 link-local address is incomplete"
723
" without a network interface\n");
706
fprintf_plus(stderr, "An IPv6 link-local address is"
707
" incomplete without a network interface\n");
744
728
if(if_indextoname((unsigned int)if_index, interface) == NULL){
745
729
perror_plus("if_indextoname");
747
fprintf(stderr, "Mandos plugin mandos-client: "
748
"Connection to: %s%%%s, port %" PRIu16 "\n",
749
ip, interface, port);
731
fprintf_plus(stderr, "Connection to: %s%%%s, port %" PRIu16
732
"\n", ip, interface, port);
752
fprintf(stderr, "Mandos plugin mandos-client: "
753
"Connection to: %s, port %" PRIu16 "\n", ip, port);
735
fprintf_plus(stderr, "Connection to: %s, port %" PRIu16 "\n",
755
738
char addrstr[(INET_ADDRSTRLEN > INET6_ADDRSTRLEN) ?
756
739
INET_ADDRSTRLEN : INET6_ADDRSTRLEN] = "";
911
891
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
913
fprintf(stderr, "Mandos plugin mandos-client: "
914
"*** GnuTLS Re-handshake failed ***\n");
893
fprintf_plus(stderr, "*** GnuTLS Re-handshake failed "
915
895
gnutls_perror(ret);
921
fprintf(stderr, "Mandos plugin mandos-client: "
922
"Unknown error while reading data from"
923
" encrypted session with Mandos server\n");
901
fprintf_plus(stderr, "Unknown error while reading data from"
902
" encrypted session with Mandos server\n");
924
903
gnutls_bye(session, GNUTLS_SHUT_RDWR);
1034
1011
case AVAHI_RESOLVER_FAILURE:
1035
fprintf(stderr, "Mandos plugin mandos-client: "
1036
"(Avahi Resolver) Failed to resolve service '%s'"
1037
" of type '%s' in domain '%s': %s\n", name, type, domain,
1038
avahi_strerror(avahi_server_errno(mc.server)));
1012
fprintf_plus(stderr, "(Avahi Resolver) Failed to resolve service "
1013
"'%s' of type '%s' in domain '%s': %s\n", name, type,
1015
avahi_strerror(avahi_server_errno(mc.server)));
1041
1018
case AVAHI_RESOLVER_FOUND:
1043
1020
char ip[AVAHI_ADDRESS_STR_MAX];
1044
1021
avahi_address_snprint(ip, sizeof(ip), address);
1046
fprintf(stderr, "Mandos plugin mandos-client: "
1047
"Mandos server \"%s\" found on %s (%s, %"
1048
PRIdMAX ") on port %" PRIu16 "\n", name, host_name,
1049
ip, (intmax_t)interface, port);
1023
fprintf_plus(stderr, "Mandos server \"%s\" found on %s (%s, %"
1024
PRIdMAX ") on port %" PRIu16 "\n", name,
1025
host_name, ip, (intmax_t)interface, port);
1051
1027
int ret = start_mandos_communication(ip, port, interface,
1052
1028
avahi_proto_to_af(proto));
1099
1074
if(avahi_s_service_resolver_new(mc.server, interface, protocol,
1100
1075
name, type, domain, protocol, 0,
1101
1076
resolve_callback, NULL) == NULL)
1102
fprintf(stderr, "Mandos plugin mandos-client: "
1103
"Avahi: Failed to resolve service '%s': %s\n",
1104
name, avahi_strerror(avahi_server_errno(mc.server)));
1077
fprintf_plus(stderr, "Avahi: Failed to resolve service '%s':"
1079
avahi_strerror(avahi_server_errno(mc.server)));
1107
1082
case AVAHI_BROWSER_REMOVE:
1156
1131
/* Reject the loopback device */
1157
1132
if(ifr->ifr_flags & IFF_LOOPBACK){
1159
fprintf(stderr, "Mandos plugin mandos-client: "
1160
"Rejecting loopback interface \"%s\"\n", ifname);
1134
fprintf_plus(stderr, "Rejecting loopback interface \"%s\"\n",
1164
1139
/* Accept point-to-point devices only if connect_to is specified */
1165
1140
if(connect_to != NULL and (ifr->ifr_flags & IFF_POINTOPOINT)){
1167
fprintf(stderr, "Mandos plugin mandos-client: "
1168
"Accepting point-to-point interface \"%s\"\n", ifname);
1142
fprintf_plus(stderr, "Accepting point-to-point interface"
1143
" \"%s\"\n", ifname);
1172
1147
/* Otherwise, reject non-broadcast-capable devices */
1173
1148
if(not (ifr->ifr_flags & IFF_BROADCAST)){
1175
fprintf(stderr, "Mandos plugin mandos-client: "
1176
"Rejecting non-broadcast interface \"%s\"\n", ifname);
1150
fprintf_plus(stderr, "Rejecting non-broadcast interface"
1151
" \"%s\"\n", ifname);
1180
1155
/* Reject non-ARP interfaces (including dummy interfaces) */
1181
1156
if(ifr->ifr_flags & IFF_NOARP){
1183
fprintf(stderr, "Mandos plugin mandos-client: "
1184
"Rejecting non-ARP interface \"%s\"\n", ifname);
1158
fprintf_plus(stderr, "Rejecting non-ARP interface \"%s\"\n",
1189
1164
/* Accept this device */
1191
fprintf(stderr, "Mandos plugin mandos-client: "
1192
"Interface \"%s\" is good\n", ifname);
1166
fprintf_plus(stderr, "Interface \"%s\" is good\n", ifname);
1319
1288
if(not (S_ISREG(st.st_mode))){
1320
1289
/* Not a regular file */
1322
fprintf(stderr, "Mandos plugin mandos-client: "
1323
"Ignoring hook \"%s\" - not a file\n",
1291
fprintf_plus(stderr, "Ignoring hook \"%s\" - not a file\n",
1328
1296
if(not (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))){
1329
1297
/* Not executable */
1331
fprintf(stderr, "Mandos plugin mandos-client: "
1332
"Ignoring hook \"%s\" - not executable\n",
1299
fprintf_plus(stderr, "Ignoring hook \"%s\" - not executable\n",
1347
1314
if(mc.current_server == NULL){
1349
fprintf(stderr, "Mandos plugin mandos-client: "
1350
"Wait until first server is found. No timeout!\n");
1316
fprintf_plus(stderr, "Wait until first server is found."
1352
1319
ret = avahi_simple_poll_iterate(s, -1);
1355
fprintf(stderr, "Mandos plugin mandos-client: "
1356
"Check current_server if we should run it,"
1322
fprintf_plus(stderr, "Check current_server if we should run"
1359
1325
/* the current time */
1360
1326
ret = clock_gettime(CLOCK_MONOTONIC, &now);
1379
bool run_network_hooks(const char *mode, const char *interface,
1381
struct dirent **direntries;
1382
struct dirent *direntry;
1384
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1387
perror_plus("scandir");
1389
int devnull = open("/dev/null", O_RDONLY);
1390
for(int i = 0; i < numhooks; i++){
1391
direntry = direntries[0];
1392
char *fullname = NULL;
1393
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1395
perror_plus("asprintf");
1398
pid_t hook_pid = fork();
1401
dup2(devnull, STDIN_FILENO);
1403
dup2(STDERR_FILENO, STDOUT_FILENO);
1404
ret = setenv("MANDOSNETHOOKDIR", hookdir, 1);
1406
perror_plus("setenv");
1409
ret = setenv("DEVICE", interface, 1);
1411
perror_plus("setenv");
1414
ret = setenv("VERBOSE", debug ? "1" : "0", 1);
1416
perror_plus("setenv");
1419
ret = setenv("MODE", mode, 1);
1421
perror_plus("setenv");
1425
ret = asprintf(&delaystring, "%f", delay);
1427
perror_plus("asprintf");
1430
ret = setenv("DELAY", delaystring, 1);
1433
perror_plus("setenv");
1437
ret = execl(fullname, direntry->d_name, mode, NULL);
1438
perror_plus("execl");
1441
if(TEMP_FAILURE_RETRY(waitpid(hook_pid, &status, 0)) == -1){
1442
perror_plus("waitpid");
1446
if(WIFEXITED(status)){
1447
if(WEXITSTATUS(status) != 0){
1448
fprintf_plus(stderr, "Warning: network hook \"%s\" exited"
1449
" with status %d\n", direntry->d_name,
1450
WEXITSTATUS(status));
1454
} else if(WIFSIGNALED(status)){
1455
fprintf_plus(stderr, "Warning: network hook \"%s\" died by"
1456
" signal %d\n", direntry->d_name,
1461
fprintf_plus(stderr, "Warning: network hook \"%s\""
1462
" crashed\n", direntry->d_name);
1413
1477
int main(int argc, char *argv[]){
1414
1478
AvahiSServiceBrowser *sb = NULL;
1573
1637
argp_state_help(state, state->out_stream,
1574
1638
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1575
1639
case 'V': /* --version */
1576
fprintf(state->out_stream, "Mandos plugin mandos-client: ");
1577
fprintf(state->out_stream, "%s\n", argp_program_version);
1640
fprintf_plus(state->out_stream,
1641
"Mandos plugin mandos-client: ");
1642
fprintf_plus(state->out_stream, "%s\n", argp_program_version);
1578
1643
exit(argp_err_exit_status);
1667
/* Find network hooks and run them */
1734
/* Run network hooks */
1669
struct dirent **direntries;
1670
struct dirent *direntry;
1671
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1674
perror_plus("scandir");
1676
int devnull = open("/dev/null", O_RDONLY);
1677
for(int i = 0; i < numhooks; i++){
1678
direntry = direntries[0];
1679
char *fullname = NULL;
1680
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1682
perror_plus("asprintf");
1685
pid_t hook_pid = fork();
1688
dup2(devnull, STDIN_FILENO);
1690
dup2(STDERR_FILENO, STDOUT_FILENO);
1691
ret = setenv("MANDOSNETHOOKDIR", hookdir, 1);
1693
perror_plus("setenv");
1696
ret = setenv("DEVICE", interface, 1);
1698
perror_plus("setenv");
1701
ret = setenv("VERBOSE", debug ? "1" : "0", 1);
1703
perror_plus("setenv");
1706
ret = setenv("MODE", "start", 1);
1708
perror_plus("setenv");
1712
ret = asprintf(&delaystring, "%f", delay);
1714
perror_plus("asprintf");
1717
ret = setenv("DELAY", delaystring, 1);
1720
perror_plus("setenv");
1724
ret = execl(fullname, direntry->d_name, "start", NULL);
1725
perror_plus("execl");
1728
if(TEMP_FAILURE_RETRY(waitpid(hook_pid, &status, 0)) == -1){
1729
perror_plus("waitpid");
1733
if(WIFEXITED(status)){
1734
if(WEXITSTATUS(status) != 0){
1735
fprintf(stderr, "Mandos plugin mandos-client: "
1736
"Warning: network hook \"%s\" exited"
1737
" with status %d\n", direntry->d_name,
1738
WEXITSTATUS(status));
1742
} else if(WIFSIGNALED(status)){
1743
fprintf(stderr, "Mandos plugin mandos-client: "
1744
"Warning: network hook \"%s\" died by"
1745
" signal %d\n", direntry->d_name,
1750
fprintf(stderr, "Mandos plugin mandos-client: "
1751
"Warning: network hook \"%s\" crashed\n",
1736
/* Re-raise priviliges */
1740
perror_plus("seteuid");
1742
if(not run_network_hooks("start", interface, delay)){
1745
/* Lower privileges */
1749
perror_plus("seteuid");
1880
1865
if(strcmp(interface, "none") != 0){
1881
1866
if_index = (AvahiIfIndex) if_nametoindex(interface);
1882
1867
if(if_index == 0){
1883
fprintf(stderr, "Mandos plugin mandos-client: "
1884
"No such interface: \"%s\"\n", interface);
1868
fprintf_plus(stderr, "No such interface: \"%s\"\n", interface);
1885
1869
exitcode = EX_UNAVAILABLE;
2173
2144
AVAHI_PROTO_UNSPEC, "_mandos._tcp",
2174
2145
NULL, 0, browse_callback, NULL);
2175
2146
if(sb == NULL){
2176
fprintf(stderr, "Mandos plugin mandos-client: "
2177
"Failed to create service browser: %s\n",
2178
avahi_strerror(avahi_server_errno(mc.server)));
2147
fprintf_plus(stderr, "Failed to create service browser: %s\n",
2148
avahi_strerror(avahi_server_errno(mc.server)));
2179
2149
exitcode = EX_UNAVAILABLE;
2187
2157
/* Run the main loop */
2190
fprintf(stderr, "Mandos plugin mandos-client: "
2191
"Starting Avahi loop search\n");
2160
fprintf_plus(stderr, "Starting Avahi loop search\n");
2194
2163
ret = avahi_loop_with_timeout(mc.simple_poll,
2195
2164
(int)(retry_interval * 1000));
2197
fprintf(stderr, "Mandos plugin mandos-client: "
2198
"avahi_loop_with_timeout exited %s\n",
2199
(ret == 0) ? "successfully" : "with error");
2166
fprintf_plus(stderr, "avahi_loop_with_timeout exited %s\n",
2167
(ret == 0) ? "successfully" : "with error");
2205
fprintf(stderr, "Mandos plugin mandos-client: "
2206
"%s exiting\n", argv[0]);
2173
fprintf_plus(stderr, "%s exiting\n", argv[0]);
2209
2176
/* Cleanup things */
2240
/* XXX run network hooks "stop" here */
2242
/* Take down the network interface */
2243
if(take_down_interface){
2244
/* Re-raise priviliges */
2207
/* Re-raise priviliges */
2246
2210
ret = seteuid(0);
2248
2212
perror_plus("seteuid");
2214
/* Run network hooks */
2215
if(not run_network_hooks("stop", interface, delay)){
2219
/* Take down the network interface */
2220
if(take_down_interface and geteuid() == 0){
2251
2221
ret = ioctl(sd, SIOCGIFFLAGS, &network);
2253
2223
perror_plus("ioctl SIOCGIFFLAGS");