86
86
#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_UNAVAILABLE,
87
87
EX_NOHOST, EX_IOERR, EX_PROTOCOL */
88
#include <sys/wait.h> /* waitpid(), WIFEXITED(),
89
WEXITSTATUS(), WTERMSIG() */
92
90
#include <sys/klog.h> /* klogctl() */
110
108
init_gnutls_session(),
112
110
#include <gnutls/openpgp.h>
113
/* gnutls_certificate_set_openpgp_key_file(),
114
GNUTLS_OPENPGP_FMT_BASE64 */
111
/* gnutls_certificate_set_openpgp_key_file(),
112
GNUTLS_OPENPGP_FMT_BASE64 */
117
115
#include <gpgme.h> /* All GPGME types, constants and
174
171
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));
187
175
* Make additional room in "buffer" for at least BUFFER_SIZE more
188
176
* bytes. "buffer_capacity" is how much is currently allocated,
189
177
* "buffer_length" is how much is already used.
191
179
size_t incbuffer(char **buffer, size_t buffer_length,
192
size_t buffer_capacity){
180
size_t buffer_capacity){
193
181
if(buffer_length + BUFFER_SIZE > buffer_capacity){
194
182
*buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
195
183
if(buffer == NULL){
263
252
rc = gpgme_data_new_from_fd(&pgp_data, fd);
264
253
if(rc != GPG_ERR_NO_ERROR){
265
fprintf_plus(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
266
gpgme_strsource(rc), gpgme_strerror(rc));
254
fprintf(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
255
gpgme_strsource(rc), gpgme_strerror(rc));
270
259
rc = gpgme_op_import(mc.ctx, pgp_data);
271
260
if(rc != GPG_ERR_NO_ERROR){
272
fprintf_plus(stderr, "bad gpgme_op_import: %s: %s\n",
273
gpgme_strsource(rc), gpgme_strerror(rc));
261
fprintf(stderr, "bad gpgme_op_import: %s: %s\n",
262
gpgme_strsource(rc), gpgme_strerror(rc));
286
fprintf_plus(stderr, "Initializing GPGME\n");
275
fprintf(stderr, "Initializing GPGME\n");
290
279
gpgme_check_version(NULL);
291
280
rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
292
281
if(rc != GPG_ERR_NO_ERROR){
293
fprintf_plus(stderr, "bad gpgme_engine_check_version: %s: %s\n",
294
gpgme_strsource(rc), gpgme_strerror(rc));
282
fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
283
gpgme_strsource(rc), gpgme_strerror(rc));
298
287
/* Set GPGME home directory for the OpenPGP engine only */
299
288
rc = gpgme_get_engine_info(&engine_info);
300
289
if(rc != GPG_ERR_NO_ERROR){
301
fprintf_plus(stderr, "bad gpgme_get_engine_info: %s: %s\n",
302
gpgme_strsource(rc), gpgme_strerror(rc));
290
fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
291
gpgme_strsource(rc), gpgme_strerror(rc));
305
294
while(engine_info != NULL){
311
300
engine_info = engine_info->next;
313
302
if(engine_info == NULL){
314
fprintf_plus(stderr, "Could not set GPGME home dir to %s\n",
303
fprintf(stderr, "Could not set GPGME home dir to %s\n", tempdir);
319
307
/* Create new GPGME "context" */
320
308
rc = gpgme_new(&(mc.ctx));
321
309
if(rc != GPG_ERR_NO_ERROR){
322
fprintf_plus(stderr, "Mandos plugin mandos-client: "
323
"bad gpgme_new: %s: %s\n", gpgme_strsource(rc),
310
fprintf(stderr, "bad gpgme_new: %s: %s\n",
311
gpgme_strsource(rc), gpgme_strerror(rc));
346
333
ssize_t plaintext_length = 0;
349
fprintf_plus(stderr, "Trying to decrypt OpenPGP data\n");
336
fprintf(stderr, "Trying to decrypt OpenPGP data\n");
352
339
/* Create new GPGME data buffer from memory cryptotext */
353
340
rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
355
342
if(rc != GPG_ERR_NO_ERROR){
356
fprintf_plus(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
357
gpgme_strsource(rc), gpgme_strerror(rc));
343
fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
344
gpgme_strsource(rc), gpgme_strerror(rc));
361
348
/* Create new empty GPGME data buffer for the plaintext */
362
349
rc = gpgme_data_new(&dh_plain);
363
350
if(rc != GPG_ERR_NO_ERROR){
364
fprintf_plus(stderr, "Mandos plugin mandos-client: "
365
"bad gpgme_data_new: %s: %s\n",
366
gpgme_strsource(rc), gpgme_strerror(rc));
351
fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
352
gpgme_strsource(rc), gpgme_strerror(rc));
367
353
gpgme_data_release(dh_crypto);
373
359
rc = gpgme_op_decrypt(mc.ctx, dh_crypto, dh_plain);
374
360
if(rc != GPG_ERR_NO_ERROR){
375
fprintf_plus(stderr, "bad gpgme_op_decrypt: %s: %s\n",
376
gpgme_strsource(rc), gpgme_strerror(rc));
361
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
362
gpgme_strsource(rc), gpgme_strerror(rc));
377
363
plaintext_length = -1;
379
365
gpgme_decrypt_result_t result;
380
366
result = gpgme_op_decrypt_result(mc.ctx);
381
367
if(result == NULL){
382
fprintf_plus(stderr, "gpgme_op_decrypt_result failed\n");
368
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
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);
370
fprintf(stderr, "Unsupported algorithm: %s\n",
371
result->unsupported_algorithm);
372
fprintf(stderr, "Wrong key usage: %u\n",
373
result->wrong_key_usage);
388
374
if(result->file_name != NULL){
389
fprintf_plus(stderr, "File name: %s\n", result->file_name);
375
fprintf(stderr, "File name: %s\n", result->file_name);
391
377
gpgme_recipient_t recipient;
392
378
recipient = result->recipients;
393
379
while(recipient != NULL){
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
380
fprintf(stderr, "Public key algorithm: %s\n",
381
gpgme_pubkey_algo_name(recipient->pubkey_algo));
382
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
383
fprintf(stderr, "Secret key available: %s\n",
384
recipient->status == GPG_ERR_NO_SECKEY
401
386
recipient = recipient->next;
419
404
*plaintext = NULL;
421
406
plaintext_capacity = incbuffer(plaintext,
422
(size_t)plaintext_length,
407
(size_t)plaintext_length,
424
409
if(plaintext_capacity == 0){
425
perror_plus("incbuffer");
426
plaintext_length = -1;
410
perror_plus("incbuffer");
411
plaintext_length = -1;
430
415
ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
471
456
/* GnuTLS log function callback */
472
457
static void debuggnutls(__attribute__((unused)) int level,
473
458
const char* string){
474
fprintf_plus(stderr, "GnuTLS: %s", string);
459
fprintf(stderr, "GnuTLS: %s", string);
477
462
static int init_gnutls_global(const char *pubkeyfilename,
482
fprintf_plus(stderr, "Initializing GnuTLS\n");
467
fprintf(stderr, "Initializing GnuTLS\n");
485
470
ret = gnutls_global_init();
486
471
if(ret != GNUTLS_E_SUCCESS){
487
fprintf_plus(stderr, "GnuTLS global_init: %s\n",
488
safer_gnutls_strerror(ret));
472
fprintf(stderr, "GnuTLS global_init: %s\n",
473
safer_gnutls_strerror(ret));
500
485
/* OpenPGP credentials */
501
486
ret = gnutls_certificate_allocate_credentials(&mc.cred);
502
487
if(ret != GNUTLS_E_SUCCESS){
503
fprintf_plus(stderr, "GnuTLS memory error: %s\n",
504
safer_gnutls_strerror(ret));
488
fprintf(stderr, "GnuTLS memory error: %s\n",
489
safer_gnutls_strerror(ret));
505
490
gnutls_global_deinit();
510
fprintf_plus(stderr, "Attempting to use OpenPGP public key %s and"
511
" secret key %s as GnuTLS credentials\n",
495
fprintf(stderr, "Attempting to use OpenPGP public key %s and"
496
" secret key %s as GnuTLS credentials\n", pubkeyfilename,
516
500
ret = gnutls_certificate_set_openpgp_key_file
517
501
(mc.cred, pubkeyfilename, seckeyfilename,
518
502
GNUTLS_OPENPGP_FMT_BASE64);
519
503
if(ret != GNUTLS_E_SUCCESS){
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));
505
"Error[%d] while reading the OpenPGP key pair ('%s',"
506
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
507
fprintf(stderr, "The GnuTLS error is: %s\n",
508
safer_gnutls_strerror(ret));
528
512
/* GnuTLS server initialization */
529
513
ret = gnutls_dh_params_init(&mc.dh_params);
530
514
if(ret != GNUTLS_E_SUCCESS){
531
fprintf_plus(stderr, "Error in GnuTLS DH parameter"
532
" initialization: %s\n",
533
safer_gnutls_strerror(ret));
515
fprintf(stderr, "Error in GnuTLS DH parameter initialization:"
516
" %s\n", safer_gnutls_strerror(ret));
536
519
ret = gnutls_dh_params_generate2(mc.dh_params, mc.dh_bits);
537
520
if(ret != GNUTLS_E_SUCCESS){
538
fprintf_plus(stderr, "Error in GnuTLS prime generation: %s\n",
539
safer_gnutls_strerror(ret));
521
fprintf(stderr, "Error in GnuTLS prime generation: %s\n",
522
safer_gnutls_strerror(ret));
563
546
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
564
547
if(ret != GNUTLS_E_SUCCESS){
566
"Error in GnuTLS session initialization: %s\n",
567
safer_gnutls_strerror(ret));
548
fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
549
safer_gnutls_strerror(ret));
578
560
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
579
561
if(ret != GNUTLS_E_SUCCESS){
580
fprintf_plus(stderr, "Syntax error at: %s\n", err);
581
fprintf_plus(stderr, "GnuTLS error: %s\n",
582
safer_gnutls_strerror(ret));
562
fprintf(stderr, "Syntax error at: %s\n", err);
563
fprintf(stderr, "GnuTLS error: %s\n",
564
safer_gnutls_strerror(ret));
583
565
gnutls_deinit(*session);
595
577
} while(ret == GNUTLS_E_INTERRUPTED or ret == GNUTLS_E_AGAIN);
596
578
if(ret != GNUTLS_E_SUCCESS){
597
fprintf_plus(stderr, "Error setting GnuTLS credentials: %s\n",
598
safer_gnutls_strerror(ret));
579
fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
580
safer_gnutls_strerror(ret));
599
581
gnutls_deinit(*session);
702
684
if(IN6_IS_ADDR_LINKLOCAL /* Spurious warnings from */
703
685
(&to.in6.sin6_addr)){ /* -Wstrict-aliasing=2 or lower and
705
687
if(if_index == AVAHI_IF_UNSPEC){
706
fprintf_plus(stderr, "An IPv6 link-local address is"
707
" incomplete without a network interface\n");
688
fprintf(stderr, "An IPv6 link-local address is incomplete"
689
" without a network interface\n");
728
710
if(if_indextoname((unsigned int)if_index, interface) == NULL){
729
711
perror_plus("if_indextoname");
731
fprintf_plus(stderr, "Connection to: %s%%%s, port %" PRIu16
732
"\n", ip, interface, port);
713
fprintf(stderr, "Connection to: %s%%%s, port %" PRIu16 "\n",
714
ip, interface, port);
735
fprintf_plus(stderr, "Connection to: %s, port %" PRIu16 "\n",
717
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
738
720
char addrstr[(INET_ADDRSTRLEN > INET6_ADDRSTRLEN) ?
739
721
INET_ADDRSTRLEN : INET6_ADDRSTRLEN] = "";
891
873
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
893
fprintf_plus(stderr, "*** GnuTLS Re-handshake failed "
875
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
895
876
gnutls_perror(ret);
901
fprintf_plus(stderr, "Unknown error while reading data from"
902
" encrypted session with Mandos server\n");
882
fprintf(stderr, "Unknown error while reading data from"
883
" encrypted session with Mandos server\n");
903
884
gnutls_bye(session, GNUTLS_SHUT_RDWR);
1011
993
case AVAHI_RESOLVER_FAILURE:
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)));
994
fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
995
" of type '%s' in domain '%s': %s\n", name, type, domain,
996
avahi_strerror(avahi_server_errno(mc.server)));
1018
999
case AVAHI_RESOLVER_FOUND:
1020
1001
char ip[AVAHI_ADDRESS_STR_MAX];
1021
1002
avahi_address_snprint(ip, sizeof(ip), address);
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);
1004
fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
1005
PRIdMAX ") on port %" PRIu16 "\n", name, host_name,
1006
ip, (intmax_t)interface, port);
1027
1008
int ret = start_mandos_communication(ip, port, interface,
1028
1009
avahi_proto_to_af(proto));
1061
1042
case AVAHI_BROWSER_FAILURE:
1063
fprintf_plus(stderr, "(Avahi browser) %s\n",
1064
avahi_strerror(avahi_server_errno(mc.server)));
1044
fprintf(stderr, "(Avahi browser) %s\n",
1045
avahi_strerror(avahi_server_errno(mc.server)));
1065
1046
avahi_simple_poll_quit(mc.simple_poll);
1074
1055
if(avahi_s_service_resolver_new(mc.server, interface, protocol,
1075
1056
name, type, domain, protocol, 0,
1076
1057
resolve_callback, NULL) == NULL)
1077
fprintf_plus(stderr, "Avahi: Failed to resolve service '%s':"
1079
avahi_strerror(avahi_server_errno(mc.server)));
1058
fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
1059
name, avahi_strerror(avahi_server_errno(mc.server)));
1082
1062
case AVAHI_BROWSER_REMOVE:
1131
1110
/* Reject the loopback device */
1132
1111
if(ifr->ifr_flags & IFF_LOOPBACK){
1134
fprintf_plus(stderr, "Rejecting loopback interface \"%s\"\n",
1113
fprintf(stderr, "Rejecting loopback interface \"%s\"\n",
1139
1118
/* Accept point-to-point devices only if connect_to is specified */
1140
1119
if(connect_to != NULL and (ifr->ifr_flags & IFF_POINTOPOINT)){
1142
fprintf_plus(stderr, "Accepting point-to-point interface"
1143
" \"%s\"\n", ifname);
1121
fprintf(stderr, "Accepting point-to-point interface \"%s\"\n",
1147
1126
/* Otherwise, reject non-broadcast-capable devices */
1148
1127
if(not (ifr->ifr_flags & IFF_BROADCAST)){
1150
fprintf_plus(stderr, "Rejecting non-broadcast interface"
1151
" \"%s\"\n", ifname);
1129
fprintf(stderr, "Rejecting non-broadcast interface \"%s\"\n",
1155
1134
/* Reject non-ARP interfaces (including dummy interfaces) */
1156
1135
if(ifr->ifr_flags & IFF_NOARP){
1158
fprintf_plus(stderr, "Rejecting non-ARP interface \"%s\"\n",
1137
fprintf(stderr, "Rejecting non-ARP interface \"%s\"\n", ifname);
1164
1142
/* Accept this device */
1166
fprintf_plus(stderr, "Interface \"%s\" is good\n", ifname);
1144
fprintf(stderr, "Interface \"%s\" is good\n", ifname);
1261
sret = strspn(direntry->d_name, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1262
"abcdefghijklmnopqrstuvwxyz"
1265
if((direntry->d_name)[sret] != '\0'){
1266
/* Contains non-allowed characters */
1268
fprintf_plus(stderr, "Ignoring hook \"%s\" with bad name\n",
1274
char *fullname = NULL;
1275
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1277
perror_plus("asprintf");
1281
ret = stat(fullname, &st);
1238
/* Save pointer to last character */
1239
char *end = strchr(direntry->d_name, '\0')-1;
1246
if(((direntry->d_name)[0] == '#')
1248
/* Temporary #name# */
1252
/* XXX more rules here */
1254
ret = stat(direntry->d_name, &st);
1284
perror_plus("Could not stat hook");
1257
perror_plus("Could not stat plugin");
1288
1261
if(not (S_ISREG(st.st_mode))){
1289
1262
/* Not a regular file */
1291
fprintf_plus(stderr, "Ignoring hook \"%s\" - not a file\n",
1296
1265
if(not (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))){
1297
1266
/* Not executable */
1299
fprintf_plus(stderr, "Ignoring hook \"%s\" - not executable\n",
1314
1279
if(mc.current_server == NULL){
1316
fprintf_plus(stderr, "Wait until first server is found."
1282
"Wait until first server is found. No timeout!\n");
1319
1284
ret = avahi_simple_poll_iterate(s, -1);
1322
fprintf_plus(stderr, "Check current_server if we should run"
1287
fprintf(stderr, "Check current_server if we should run it,"
1325
1290
/* the current time */
1326
1291
ret = clock_gettime(CLOCK_MONOTONIC, &now);
1369
1333
ret = avahi_simple_poll_iterate(s, (int)block_time);
1372
if (ret > 0 or errno != EINTR){
1336
if (ret > 0 or errno != EINTR) {
1373
1337
return (ret != 1) ? ret : 0;
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);
1477
1343
int main(int argc, char *argv[]){
1478
1344
AvahiSServiceBrowser *sb = NULL;
1637
1496
argp_state_help(state, state->out_stream,
1638
1497
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1639
1498
case 'V': /* --version */
1640
fprintf_plus(state->out_stream,
1641
"Mandos plugin mandos-client: ");
1642
fprintf_plus(state->out_stream, "%s\n", argp_program_version);
1499
fprintf(state->out_stream, "%s\n", argp_program_version);
1643
1500
exit(argp_err_exit_status);
1734
/* Run network hooks */
1589
/* Find network hooks and run them */
1736
/* Re-raise priviliges */
1740
perror_plus("seteuid");
1742
if(not run_network_hooks("start", interface, delay)){
1745
/* Lower privileges */
1749
perror_plus("seteuid");
1591
struct dirent **direntries;
1592
struct dirent *direntry;
1593
int numhooks = scandir(HOOKDIR, &direntries, runnable_hook,
1595
int devnull = open("/dev/null", O_RDONLY);
1596
for(int i = 0; i < numhooks; i++){
1597
direntry = direntries[0];
1598
char *fullname = NULL;
1599
ret = asprintf(&fullname, "%s/%s", tempdir,
1602
perror_plus("asprintf");
1605
pid_t hook_pid = fork();
1608
dup2(devnull, STDIN_FILENO);
1610
dup2(STDERR_FILENO, STDOUT_FILENO);
1611
setenv("DEVICE", interface, 1);
1612
setenv("VERBOSE", debug ? "1" : "0", 1);
1613
setenv("MODE", "start", 1);
1614
/* setenv( XXX more here */
1615
ret = execl(fullname, direntry->d_name, "start", NULL);
1616
perror_plus("execl");
1865
1737
if(strcmp(interface, "none") != 0){
1866
1738
if_index = (AvahiIfIndex) if_nametoindex(interface);
1867
1739
if(if_index == 0){
1868
fprintf_plus(stderr, "No such interface: \"%s\"\n", interface);
1740
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1869
1741
exitcode = EX_UNAVAILABLE;
2056
1936
tmpmax = strtoimax(address+1, &tmp, 10);
2057
1937
if(errno != 0 or tmp == address+1 or *tmp != '\0'
2058
1938
or tmpmax != (uint16_t)tmpmax){
2059
fprintf_plus(stderr, "Bad port number\n");
1939
fprintf(stderr, "Bad port number\n");
2060
1940
exitcode = EX_USAGE;
2144
2024
AVAHI_PROTO_UNSPEC, "_mandos._tcp",
2145
2025
NULL, 0, browse_callback, NULL);
2146
2026
if(sb == NULL){
2147
fprintf_plus(stderr, "Failed to create service browser: %s\n",
2148
avahi_strerror(avahi_server_errno(mc.server)));
2027
fprintf(stderr, "Failed to create service browser: %s\n",
2028
avahi_strerror(avahi_server_errno(mc.server)));
2149
2029
exitcode = EX_UNAVAILABLE;
2157
2037
/* Run the main loop */
2160
fprintf_plus(stderr, "Starting Avahi loop search\n");
2040
fprintf(stderr, "Starting Avahi loop search\n");
2163
2043
ret = avahi_loop_with_timeout(mc.simple_poll,
2164
2044
(int)(retry_interval * 1000));
2166
fprintf_plus(stderr, "avahi_loop_with_timeout exited %s\n",
2167
(ret == 0) ? "successfully" : "with error");
2046
fprintf(stderr, "avahi_loop_with_timeout exited %s\n",
2047
(ret == 0) ? "successfully" : "with error");
2173
fprintf_plus(stderr, "%s exiting\n", argv[0]);
2053
fprintf(stderr, "%s exiting\n", argv[0]);
2176
2056
/* Cleanup things */
2207
/* Re-raise priviliges */
2087
/* XXX run network hooks "stop" here */
2089
/* Take down the network interface */
2090
if(take_down_interface){
2091
/* Re-raise priviliges */
2210
2093
ret = seteuid(0);
2212
2095
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){
2221
2098
ret = ioctl(sd, SIOCGIFFLAGS, &network);
2223
2100
perror_plus("ioctl SIOCGIFFLAGS");
2224
} else if(network.ifr_flags & IFF_UP){
2101
} else if(network.ifr_flags & IFF_UP) {
2225
2102
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
2226
2103
ret = ioctl(sd, SIOCSIFFLAGS, &network);