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- Committer: Teddy Hogeborn
- Date: 2009-10-21 23:02:42 UTC
- Revision ID: teddy@fukt.bsnet.se-20091021230242-lf1rulssuxm1rjyd
Tags: version-1.0.13-1
* Makefile (version): Changed to "1.0.13".
* NEWS (Version 1.0.13): New entry.
* debian/changelog (1.0.13-1): - '' -
* NEWS (Version 1.0.13): New entry.
* debian/changelog (1.0.13-1): - '' -
added
removed
plugins.d/mandos-client.c
43
43
stdout, ferror(), remove() */
44
44
#include <stdint.h> /* uint16_t, uint32_t */
45
45
#include <stddef.h> /* NULL, size_t, ssize_t */
46
#include <stdlib.h> /* free(), EXIT_SUCCESS, srand(),
47
strtof(), abort() */
46
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
47
srand(), strtof(), abort() */
48
48
#include <stdbool.h> /* bool, false, true */
49
49
#include <string.h> /* memset(), strcmp(), strlen(),
50
50
strerror(), asprintf(), strcpy() */
63
63
strtoimax() */
64
64
#include <assert.h> /* assert() */
65
65
#include <errno.h> /* perror(), errno */
66
#include <time.h> /* nanosleep(), time(), sleep() */
66
#include <time.h> /* nanosleep(), time() */
67
67
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
68
68
SIOCSIFFLAGS, if_indextoname(),
69
69
if_nametoindex(), IF_NAMESIZE */
82
82
#include <signal.h> /* sigemptyset(), sigaddset(),
83
83
sigaction(), SIGTERM, sig_atomic_t,
84
84
raise() */
85
#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_UNAVAILABLE,
86
EX_NOHOST, EX_IOERR, EX_PROTOCOL */
87
85
88
86
#ifdef __linux__
89
87
#include <sys/klog.h> /* klogctl() */
127
125
static const char mandos_protocol_version[] = "1";
128
126
const char *argp_program_version = "mandos-client " VERSION;
129
127
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
130
static const char sys_class_net[] = "/sys/class/net";
131
char *connect_to = NULL;
132
128
133
129
/* Used for passing in values through the Avahi callback functions */
134
130
typedef struct {
556
552
gnutls_session_t session;
557
553
int pf; /* Protocol family */
558
554
559
errno = 0;
560
561
555
if(quit_now){
562
errno = EINTR;
563
556
return -1;
564
557
}
565
558
572
565
break;
573
566
default:
574
567
fprintf(stderr, "Bad address family: %d\n", af);
575
errno = EINVAL;
576
568
return -1;
577
569
}
578
570
588
580
589
581
tcp_sd = socket(pf, SOCK_STREAM, 0);
590
582
if(tcp_sd < 0){
591
int e = errno;
592
583
perror("socket");
593
errno = e;
594
584
goto mandos_end;
595
585
}
596
586
597
587
if(quit_now){
598
errno = EINTR;
599
588
goto mandos_end;
600
589
}
601
590
608
597
ret = inet_pton(af, ip, &to.in.sin_addr);
609
598
}
610
599
if(ret < 0 ){
611
int e = errno;
612
600
perror("inet_pton");
613
errno = e;
614
601
goto mandos_end;
615
602
}
616
603
if(ret == 0){
617
int e = errno;
618
604
fprintf(stderr, "Bad address: %s\n", ip);
619
errno = e;
620
605
goto mandos_end;
621
606
}
622
607
if(af == AF_INET6){
630
615
if(if_index == AVAHI_IF_UNSPEC){
631
616
fprintf(stderr, "An IPv6 link-local address is incomplete"
632
617
" without a network interface\n");
633
errno = EINVAL;
634
618
goto mandos_end;
635
619
}
636
620
/* Set the network interface number as scope */
643
627
}
644
628
645
629
if(quit_now){
646
errno = EINTR;
647
630
goto mandos_end;
648
631
}
649
632
680
663
}
681
664
682
665
if(quit_now){
683
errno = EINTR;
684
666
goto mandos_end;
685
667
}
686
668
690
672
ret = connect(tcp_sd, &to.in, sizeof(to)); /* IPv4 */
691
673
}
692
674
if(ret < 0){
693
if ((errno != ECONNREFUSED and errno != ENETUNREACH) or debug){
694
int e = errno;
695
perror("connect");
696
errno = e;
697
}
675
perror("connect");
698
676
goto mandos_end;
699
677
}
700
678
701
679
if(quit_now){
702
errno = EINTR;
703
680
goto mandos_end;
704
681
}
705
682
710
687
ret = (int)TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
711
688
out_size - written));
712
689
if(ret == -1){
713
int e = errno;
714
690
perror("write");
715
errno = e;
716
691
goto mandos_end;
717
692
}
718
693
written += (size_t)ret;
728
703
}
729
704
730
705
if(quit_now){
731
errno = EINTR;
732
706
goto mandos_end;
733
707
}
734
708
}
738
712
}
739
713
740
714
if(quit_now){
741
errno = EINTR;
742
715
goto mandos_end;
743
716
}
744
717
745
718
gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t) tcp_sd);
746
719
747
720
if(quit_now){
748
errno = EINTR;
749
721
goto mandos_end;
750
722
}
751
723
752
724
do {
753
725
ret = gnutls_handshake(session);
754
726
if(quit_now){
755
errno = EINTR;
756
727
goto mandos_end;
757
728
}
758
729
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
762
733
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
763
734
gnutls_perror(ret);
764
735
}
765
errno = EPROTO;
766
736
goto mandos_end;
767
737
}
768
738
776
746
while(true){
777
747
778
748
if(quit_now){
779
errno = EINTR;
780
749
goto mandos_end;
781
750
}
782
751
783
752
buffer_capacity = incbuffer(&buffer, buffer_length,
784
753
buffer_capacity);
785
754
if(buffer_capacity == 0){
786
int e = errno;
787
755
perror("incbuffer");
788
errno = e;
789
756
goto mandos_end;
790
757
}
791
758
792
759
if(quit_now){
793
errno = EINTR;
794
760
goto mandos_end;
795
761
}
796
762
809
775
ret = gnutls_handshake(session);
810
776
811
777
if(quit_now){
812
errno = EINTR;
813
778
goto mandos_end;
814
779
}
815
780
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
816
781
if(ret < 0){
817
782
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
818
783
gnutls_perror(ret);
819
errno = EPROTO;
820
784
goto mandos_end;
821
785
}
822
786
break;
824
788
fprintf(stderr, "Unknown error while reading data from"
825
789
" encrypted session with Mandos server\n");
826
790
gnutls_bye(session, GNUTLS_SHUT_RDWR);
827
errno = EIO;
828
791
goto mandos_end;
829
792
}
830
793
} else {
837
800
}
838
801
839
802
if(quit_now){
840
errno = EINTR;
841
803
goto mandos_end;
842
804
}
843
805
844
806
do {
845
807
ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
846
808
if(quit_now){
847
errno = EINTR;
848
809
goto mandos_end;
849
810
}
850
811
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
859
820
written = 0;
860
821
while(written < (size_t) decrypted_buffer_size){
861
822
if(quit_now){
862
errno = EINTR;
863
823
goto mandos_end;
864
824
}
865
825
867
827
(size_t)decrypted_buffer_size - written,
868
828
stdout);
869
829
if(ret == 0 and ferror(stdout)){
870
int e = errno;
871
830
if(debug){
872
831
fprintf(stderr, "Error writing encrypted data: %s\n",
873
832
strerror(errno));
874
833
}
875
errno = e;
876
834
goto mandos_end;
877
835
}
878
836
written += (size_t)ret;
884
842
/* Shutdown procedure */
885
843
886
844
mandos_end:
887
{
888
int e = errno;
889
free(decrypted_buffer);
890
free(buffer);
891
if(tcp_sd >= 0){
892
ret = (int)TEMP_FAILURE_RETRY(close(tcp_sd));
893
}
894
if(ret == -1){
895
if(e == 0){
896
e = errno;
897
}
898
perror("close");
899
}
900
gnutls_deinit(session);
901
if(quit_now){
902
e = EINTR;
903
retval = -1;
904
}
905
errno = e;
845
free(decrypted_buffer);
846
free(buffer);
847
if(tcp_sd >= 0){
848
ret = (int)TEMP_FAILURE_RETRY(close(tcp_sd));
849
}
850
if(ret == -1){
851
perror("close");
852
}
853
gnutls_deinit(session);
854
if(quit_now){
855
retval = -1;
906
856
}
907
857
return retval;
908
858
}
1024
974
errno = old_errno;
1025
975
}
1026
976
1027
/*
1028
* This function determines if a directory entry in /sys/class/net
1029
* corresponds to an acceptable network device.
1030
* (This function is passed to scandir(3) as a filter function.)
1031
*/
1032
int good_interface(const struct dirent *if_entry){
1033
ssize_t ssret;
1034
char *flagname = NULL;
1035
int ret = asprintf(&flagname, "%s/%s/flags", sys_class_net,
1036
if_entry->d_name);
1037
if(ret < 0){
1038
perror("asprintf");
1039
return 0;
1040
}
1041
if(if_entry->d_name[0] == '.'){
1042
return 0;
1043
}
1044
int flags_fd = (int)TEMP_FAILURE_RETRY(open(flagname, O_RDONLY));
1045
if(flags_fd == -1){
1046
perror("open");
1047
return 0;
1048
}
1049
typedef short ifreq_flags; /* ifreq.ifr_flags in netdevice(7) */
1050
/* read line from flags_fd */
1051
ssize_t to_read = (sizeof(ifreq_flags)*2)+3; /* "0x1003\n" */
1052
char *flagstring = malloc((size_t)to_read+1); /* +1 for final \0 */
1053
flagstring[(size_t)to_read] = '\0';
1054
if(flagstring == NULL){
1055
perror("malloc");
1056
close(flags_fd);
1057
return 0;
1058
}
1059
while(to_read > 0){
1060
ssret = (ssize_t)TEMP_FAILURE_RETRY(read(flags_fd, flagstring,
1061
(size_t)to_read));
1062
if(ssret == -1){
1063
perror("read");
1064
free(flagstring);
1065
close(flags_fd);
1066
return 0;
1067
}
1068
to_read -= ssret;
1069
if(ssret == 0){
1070
break;
1071
}
1072
}
1073
close(flags_fd);
1074
intmax_t tmpmax;
1075
char *tmp;
1076
errno = 0;
1077
tmpmax = strtoimax(flagstring, &tmp, 0);
1078
if(errno != 0 or tmp == flagstring or (*tmp != '\0'
1079
and not (isspace(*tmp)))
1080
or tmpmax != (ifreq_flags)tmpmax){
1081
if(debug){
1082
fprintf(stderr, "Invalid flags \"%s\" for interface \"%s\"\n",
1083
flagstring, if_entry->d_name);
1084
}
1085
free(flagstring);
1086
return 0;
1087
}
1088
free(flagstring);
1089
ifreq_flags flags = (ifreq_flags)tmpmax;
1090
/* Reject the loopback device */
1091
if(flags & IFF_LOOPBACK){
1092
if(debug){
1093
fprintf(stderr, "Rejecting loopback interface \"%s\"\n",
1094
if_entry->d_name);
1095
}
1096
return 0;
1097
}
1098
/* Accept point-to-point devices only if connect_to is specified */
1099
if(connect_to != NULL and (flags & IFF_POINTOPOINT)){
1100
if(debug){
1101
fprintf(stderr, "Accepting point-to-point interface \"%s\"\n",
1102
if_entry->d_name);
1103
}
1104
return 1;
1105
}
1106
/* Otherwise, reject non-broadcast-capable devices */
1107
if(not (flags & IFF_BROADCAST)){
1108
if(debug){
1109
fprintf(stderr, "Rejecting non-broadcast interface \"%s\"\n",
1110
if_entry->d_name);
1111
}
1112
return 0;
1113
}
1114
/* Accept this device */
1115
if(debug){
1116
fprintf(stderr, "Interface \"%s\" is acceptable\n",
1117
if_entry->d_name);
1118
}
1119
return 1;
1120
}
1121
1122
977
int main(int argc, char *argv[]){
1123
978
AvahiSServiceBrowser *sb = NULL;
1124
979
int error;
1126
981
intmax_t tmpmax;
1127
982
char *tmp;
1128
983
int exitcode = EXIT_SUCCESS;
1129
const char *interface = "";
984
const char *interface = "eth0";
1130
985
struct ifreq network;
1131
986
int sd = -1;
1132
987
bool take_down_interface = false;
1133
988
uid_t uid;
1134
989
gid_t gid;
990
char *connect_to = NULL;
1135
991
char tempdir[] = "/tmp/mandosXXXXXX";
1136
992
bool tempdir_created = false;
1137
993
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
1200
1056
.arg = "SECONDS",
1201
1057
.doc = "Maximum delay to wait for interface startup",
1202
1058
.group = 2 },
1203
/*
1204
* These reproduce what we would get without ARGP_NO_HELP
1205
*/
1206
{ .name = "help", .key = '?',
1207
.doc = "Give this help list", .group = -1 },
1208
{ .name = "usage", .key = -3,
1209
.doc = "Give a short usage message", .group = -1 },
1210
{ .name = "version", .key = 'V',
1211
.doc = "Print program version", .group = -1 },
1212
1059
{ .name = NULL }
1213
1060
};
1214
1061
1215
1062
error_t parse_opt(int key, char *arg,
1216
1063
struct argp_state *state){
1217
errno = 0;
1218
1064
switch(key){
1219
1065
case 128: /* --debug */
1220
1066
debug = true;
1236
1082
tmpmax = strtoimax(arg, &tmp, 10);
1237
1083
if(errno != 0 or tmp == arg or *tmp != '\0'
1238
1084
or tmpmax != (typeof(mc.dh_bits))tmpmax){
1239
argp_error(state, "Bad number of DH bits");
1085
fprintf(stderr, "Bad number of DH bits\n");
1086
exit(EXIT_FAILURE);
1240
1087
}
1241
1088
mc.dh_bits = (typeof(mc.dh_bits))tmpmax;
1242
1089
break;
1247
1094
errno = 0;
1248
1095
delay = strtof(arg, &tmp);
1249
1096
if(errno != 0 or tmp == arg or *tmp != '\0'){
1250
argp_error(state, "Bad delay");
1097
fprintf(stderr, "Bad delay\n");
1098
exit(EXIT_FAILURE);
1251
1099
}
1252
1100
break;
1253
/*
1254
* These reproduce what we would get without ARGP_NO_HELP
1255
*/
1256
case '?': /* --help */
1257
argp_state_help(state, state->out_stream,
1258
(ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
1259
& ~(unsigned int)ARGP_HELP_EXIT_OK);
1260
case -3: /* --usage */
1261
argp_state_help(state, state->out_stream,
1262
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1263
case 'V': /* --version */
1264
fprintf(state->out_stream, "%s\n", argp_program_version);
1265
exit(argp_err_exit_status);
1101
case ARGP_KEY_ARG:
1102
argp_usage(state);
1103
case ARGP_KEY_END:
1266
1104
break;
1267
1105
default:
1268
1106
return ARGP_ERR_UNKNOWN;
1269
1107
}
1270
return errno;
1108
return 0;
1271
1109
}
1272
1110
1273
1111
struct argp argp = { .options = options, .parser = parse_opt,
1274
1112
.args_doc = "",
1275
1113
.doc = "Mandos client -- Get and decrypt"
1276
1114
" passwords from a Mandos server" };
1277
ret = argp_parse(&argp, argc, argv,
1278
ARGP_IN_ORDER | ARGP_NO_HELP, 0, NULL);
1279
switch(ret){
1280
case 0:
1281
break;
1282
case ENOMEM:
1283
default:
1284
errno = ret;
1285
perror("argp_parse");
1286
exitcode = EX_OSERR;
1287
goto end;
1288
case EINVAL:
1289
exitcode = EX_USAGE;
1115
ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
1116
if(ret == ARGP_ERR_UNKNOWN){
1117
fprintf(stderr, "Unknown error while parsing arguments\n");
1118
exitcode = EXIT_FAILURE;
1290
1119
goto end;
1291
1120
}
1292
1121
}
1294
1123
if(not debug){
1295
1124
avahi_set_log_function(empty_log);
1296
1125
}
1297
1298
if(interface[0] == '\0'){
1299
struct dirent **direntries;
1300
ret = scandir(sys_class_net, &direntries, good_interface,
1301
alphasort);
1302
if(ret >= 1){
1303
/* Pick the first good interface */
1304
interface = strdup(direntries[0]->d_name);
1305
if(debug){
1306
fprintf(stderr, "Using interface \"%s\"\n", interface);
1307
}
1308
if(interface == NULL){
1309
perror("malloc");
1310
free(direntries);
1311
exitcode = EXIT_FAILURE;
1312
goto end;
1313
}
1314
free(direntries);
1315
} else {
1316
free(direntries);
1317
fprintf(stderr, "Could not find a network interface\n");
1318
exitcode = EXIT_FAILURE;
1319
goto end;
1320
}
1321
}
1322
1126
1323
1127
/* Initialize Avahi early so avahi_simple_poll_quit() can be called
1324
1128
from the signal handler */
1327
1131
mc.simple_poll = avahi_simple_poll_new();
1328
1132
if(mc.simple_poll == NULL){
1329
1133
fprintf(stderr, "Avahi: Failed to create simple poll object.\n");
1330
exitcode = EX_UNAVAILABLE;
1134
exitcode = EXIT_FAILURE;
1331
1135
goto end;
1332
1136
}
1333
1137
1335
1139
ret = sigaddset(&sigterm_action.sa_mask, SIGINT);
1336
1140
if(ret == -1){
1337
1141
perror("sigaddset");
1338
exitcode = EX_OSERR;
1142
exitcode = EXIT_FAILURE;
1339
1143
goto end;
1340
1144
}
1341
1145
ret = sigaddset(&sigterm_action.sa_mask, SIGHUP);
1342
1146
if(ret == -1){
1343
1147
perror("sigaddset");
1344
exitcode = EX_OSERR;
1148
exitcode = EXIT_FAILURE;
1345
1149
goto end;
1346
1150
}
1347
1151
ret = sigaddset(&sigterm_action.sa_mask, SIGTERM);
1348
1152
if(ret == -1){
1349
1153
perror("sigaddset");
1350
exitcode = EX_OSERR;
1154
exitcode = EXIT_FAILURE;
1351
1155
goto end;
1352
1156
}
1353
1157
/* Need to check if the handler is SIG_IGN before handling:
1357
1161
ret = sigaction(SIGINT, NULL, &old_sigterm_action);
1358
1162
if(ret == -1){
1359
1163
perror("sigaction");
1360
return EX_OSERR;
1164
return EXIT_FAILURE;
1361
1165
}
1362
1166
if(old_sigterm_action.sa_handler != SIG_IGN){
1363
1167
ret = sigaction(SIGINT, &sigterm_action, NULL);
1364
1168
if(ret == -1){
1365
1169
perror("sigaction");
1366
exitcode = EX_OSERR;
1170
exitcode = EXIT_FAILURE;
1367
1171
goto end;
1368
1172
}
1369
1173
}
1370
1174
ret = sigaction(SIGHUP, NULL, &old_sigterm_action);
1371
1175
if(ret == -1){
1372
1176
perror("sigaction");
1373
return EX_OSERR;
1177
return EXIT_FAILURE;
1374
1178
}
1375
1179
if(old_sigterm_action.sa_handler != SIG_IGN){
1376
1180
ret = sigaction(SIGHUP, &sigterm_action, NULL);
1377
1181
if(ret == -1){
1378
1182
perror("sigaction");
1379
exitcode = EX_OSERR;
1183
exitcode = EXIT_FAILURE;
1380
1184
goto end;
1381
1185
}
1382
1186
}
1383
1187
ret = sigaction(SIGTERM, NULL, &old_sigterm_action);
1384
1188
if(ret == -1){
1385
1189
perror("sigaction");
1386
return EX_OSERR;
1190
return EXIT_FAILURE;
1387
1191
}
1388
1192
if(old_sigterm_action.sa_handler != SIG_IGN){
1389
1193
ret = sigaction(SIGTERM, &sigterm_action, NULL);
1390
1194
if(ret == -1){
1391
1195
perror("sigaction");
1392
exitcode = EX_OSERR;
1196
exitcode = EXIT_FAILURE;
1393
1197
goto end;
1394
1198
}
1395
1199
}
1396
1200
1397
1201
/* If the interface is down, bring it up */
1398
if(strcmp(interface, "none") != 0){
1202
if(interface[0] != '\0'){
1399
1203
if_index = (AvahiIfIndex) if_nametoindex(interface);
1400
1204
if(if_index == 0){
1401
1205
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1402
exitcode = EX_UNAVAILABLE;
1206
exitcode = EXIT_FAILURE;
1403
1207
goto end;
1404
1208
}
1405
1209
1416
1220
1417
1221
#ifdef __linux__
1418
1222
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1419
messages about the network interface to mess up the prompt */
1223
messages to mess up the prompt */
1420
1224
ret = klogctl(8, NULL, 5);
1421
1225
bool restore_loglevel = true;
1422
1226
if(ret == -1){
1428
1232
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1429
1233
if(sd < 0){
1430
1234
perror("socket");
1431
exitcode = EX_OSERR;
1235
exitcode = EXIT_FAILURE;
1432
1236
#ifdef __linux__
1433
1237
if(restore_loglevel){
1434
1238
ret = klogctl(7, NULL, 0);
1457
1261
}
1458
1262
}
1459
1263
#endif /* __linux__ */
1460
exitcode = EX_OSERR;
1264
exitcode = EXIT_FAILURE;
1461
1265
/* Lower privileges */
1462
1266
errno = 0;
1463
1267
ret = seteuid(uid);
1472
1276
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1473
1277
if(ret == -1){
1474
1278
take_down_interface = false;
1475
perror("ioctl SIOCSIFFLAGS +IFF_UP");
1476
exitcode = EX_OSERR;
1279
perror("ioctl SIOCSIFFLAGS");
1280
exitcode = EXIT_FAILURE;
1477
1281
#ifdef __linux__
1478
1282
if(restore_loglevel){
1479
1283
ret = klogctl(7, NULL, 0);
1545
1349
ret = init_gnutls_global(pubkey, seckey);
1546
1350
if(ret == -1){
1547
1351
fprintf(stderr, "init_gnutls_global failed\n");
1548
exitcode = EX_UNAVAILABLE;
1352
exitcode = EXIT_FAILURE;
1549
1353
goto end;
1550
1354
} else {
1551
1355
gnutls_initialized = true;
1568
1372
1569
1373
if(not init_gpgme(pubkey, seckey, tempdir)){
1570
1374
fprintf(stderr, "init_gpgme failed\n");
1571
exitcode = EX_UNAVAILABLE;
1375
exitcode = EXIT_FAILURE;
1572
1376
goto end;
1573
1377
} else {
1574
1378
gpgme_initialized = true;
1584
1388
char *address = strrchr(connect_to, ':');
1585
1389
if(address == NULL){
1586
1390
fprintf(stderr, "No colon in address\n");
1587
exitcode = EX_USAGE;
1391
exitcode = EXIT_FAILURE;
1588
1392
goto end;
1589
1393
}
1590
1394
1598
1402
if(errno != 0 or tmp == address+1 or *tmp != '\0'
1599
1403
or tmpmax != (uint16_t)tmpmax){
1600
1404
fprintf(stderr, "Bad port number\n");
1601
exitcode = EX_USAGE;
1405
exitcode = EXIT_FAILURE;
1602
1406
goto end;
1603
1407
}
1604
1408
1620
1424
if(quit_now){
1621
1425
goto end;
1622
1426
}
1623
1624
while(not quit_now){
1625
ret = start_mandos_communication(address, port, if_index, af);
1626
if(quit_now or ret == 0){
1627
break;
1628
}
1629
sleep(15);
1630
};
1631
1632
if (not quit_now){
1427
1428
ret = start_mandos_communication(address, port, if_index, af);
1429
if(ret < 0){
1430
exitcode = EXIT_FAILURE;
1431
} else {
1633
1432
exitcode = EXIT_SUCCESS;
1634
1433
}
1635
1636
1434
goto end;
1637
1435
}
1638
1436
1662
1460
if(mc.server == NULL){
1663
1461
fprintf(stderr, "Failed to create Avahi server: %s\n",
1664
1462
avahi_strerror(error));
1665
exitcode = EX_UNAVAILABLE;
1463
exitcode = EXIT_FAILURE;
1666
1464
goto end;
1667
1465
}
1668
1466
1677
1475
if(sb == NULL){
1678
1476
fprintf(stderr, "Failed to create service browser: %s\n",
1679
1477
avahi_strerror(avahi_server_errno(mc.server)));
1680
exitcode = EX_UNAVAILABLE;
1478
exitcode = EXIT_FAILURE;
1681
1479
goto end;
1682
1480
}
1683
1481
1732
1530
if(ret == -1){
1733
1531
perror("ioctl SIOCGIFFLAGS");
1734
1532
} else if(network.ifr_flags & IFF_UP) {
1735
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
1533
network.ifr_flags &= ~IFF_UP; /* clear flag */
1736
1534
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1737
1535
if(ret == -1){
1738
perror("ioctl SIOCSIFFLAGS -IFF_UP");
1536
perror("ioctl SIOCSIFFLAGS");
1739
1537
}
1740
1538
}
1741
1539
ret = (int)TEMP_FAILURE_RETRY(close(sd));
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0