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- Committer: teddy at bsnet
- Date: 2011-03-15 20:13:05 UTC
- Revision ID: teddy@fukt.bsnet.se-20110315201305-1eptd9mvxem1qtr2
* mandos-ctl: Use the new argparse library instead of optparse.
- files added:
- DBUS-API
- debian/source
- files modified:
- .bzrignore
added
removed
plugins.d/mandos-client.c
9
9
* "browse_callback", and parts of "main".
10
10
*
11
11
* Everything else is
12
* Copyright © 2008,2009 Teddy Hogeborn
13
* Copyright © 2008,2009 Björn Påhlsson
12
* Copyright © 2008-2011 Teddy Hogeborn
13
* Copyright © 2008-2011 Björn Påhlsson
14
14
*
15
15
* This program is free software: you can redistribute it and/or
16
16
* modify it under the terms of the GNU General Public License as
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, EXIT_FAILURE,
47
srand(), strtof(), abort() */
46
#include <stdlib.h> /* free(), EXIT_SUCCESS, srand(),
47
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() */
66
#include <time.h> /* nanosleep(), time(), sleep() */
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 */
85
87
86
88
#ifdef __linux__
87
89
#include <sys/klog.h> /* klogctl() */
125
127
static const char mandos_protocol_version[] = "1";
126
128
const char *argp_program_version = "mandos-client " VERSION;
127
129
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;
128
132
129
133
/* Used for passing in values through the Avahi callback functions */
130
134
typedef struct {
552
556
gnutls_session_t session;
553
557
int pf; /* Protocol family */
554
558
559
errno = 0;
560
555
561
if(quit_now){
562
errno = EINTR;
556
563
return -1;
557
564
}
558
565
565
572
break;
566
573
default:
567
574
fprintf(stderr, "Bad address family: %d\n", af);
575
errno = EINVAL;
568
576
return -1;
569
577
}
570
578
580
588
581
589
tcp_sd = socket(pf, SOCK_STREAM, 0);
582
590
if(tcp_sd < 0){
591
int e = errno;
583
592
perror("socket");
593
errno = e;
584
594
goto mandos_end;
585
595
}
586
596
587
597
if(quit_now){
598
errno = EINTR;
588
599
goto mandos_end;
589
600
}
590
601
597
608
ret = inet_pton(af, ip, &to.in.sin_addr);
598
609
}
599
610
if(ret < 0 ){
611
int e = errno;
600
612
perror("inet_pton");
613
errno = e;
601
614
goto mandos_end;
602
615
}
603
616
if(ret == 0){
617
int e = errno;
604
618
fprintf(stderr, "Bad address: %s\n", ip);
619
errno = e;
605
620
goto mandos_end;
606
621
}
607
622
if(af == AF_INET6){
615
630
if(if_index == AVAHI_IF_UNSPEC){
616
631
fprintf(stderr, "An IPv6 link-local address is incomplete"
617
632
" without a network interface\n");
633
errno = EINVAL;
618
634
goto mandos_end;
619
635
}
620
636
/* Set the network interface number as scope */
627
643
}
628
644
629
645
if(quit_now){
646
errno = EINTR;
630
647
goto mandos_end;
631
648
}
632
649
663
680
}
664
681
665
682
if(quit_now){
683
errno = EINTR;
666
684
goto mandos_end;
667
685
}
668
686
672
690
ret = connect(tcp_sd, &to.in, sizeof(to)); /* IPv4 */
673
691
}
674
692
if(ret < 0){
675
perror("connect");
693
if ((errno != ECONNREFUSED and errno != ENETUNREACH) or debug){
694
int e = errno;
695
perror("connect");
696
errno = e;
697
}
676
698
goto mandos_end;
677
699
}
678
700
679
701
if(quit_now){
702
errno = EINTR;
680
703
goto mandos_end;
681
704
}
682
705
687
710
ret = (int)TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
688
711
out_size - written));
689
712
if(ret == -1){
713
int e = errno;
690
714
perror("write");
715
errno = e;
691
716
goto mandos_end;
692
717
}
693
718
written += (size_t)ret;
703
728
}
704
729
705
730
if(quit_now){
731
errno = EINTR;
706
732
goto mandos_end;
707
733
}
708
734
}
712
738
}
713
739
714
740
if(quit_now){
741
errno = EINTR;
715
742
goto mandos_end;
716
743
}
717
744
718
745
gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t) tcp_sd);
719
746
720
747
if(quit_now){
748
errno = EINTR;
721
749
goto mandos_end;
722
750
}
723
751
724
752
do {
725
753
ret = gnutls_handshake(session);
726
754
if(quit_now){
755
errno = EINTR;
727
756
goto mandos_end;
728
757
}
729
758
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
733
762
fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
734
763
gnutls_perror(ret);
735
764
}
765
errno = EPROTO;
736
766
goto mandos_end;
737
767
}
738
768
746
776
while(true){
747
777
748
778
if(quit_now){
779
errno = EINTR;
749
780
goto mandos_end;
750
781
}
751
782
752
783
buffer_capacity = incbuffer(&buffer, buffer_length,
753
784
buffer_capacity);
754
785
if(buffer_capacity == 0){
786
int e = errno;
755
787
perror("incbuffer");
788
errno = e;
756
789
goto mandos_end;
757
790
}
758
791
759
792
if(quit_now){
793
errno = EINTR;
760
794
goto mandos_end;
761
795
}
762
796
775
809
ret = gnutls_handshake(session);
776
810
777
811
if(quit_now){
812
errno = EINTR;
778
813
goto mandos_end;
779
814
}
780
815
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
781
816
if(ret < 0){
782
817
fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
783
818
gnutls_perror(ret);
819
errno = EPROTO;
784
820
goto mandos_end;
785
821
}
786
822
break;
788
824
fprintf(stderr, "Unknown error while reading data from"
789
825
" encrypted session with Mandos server\n");
790
826
gnutls_bye(session, GNUTLS_SHUT_RDWR);
827
errno = EIO;
791
828
goto mandos_end;
792
829
}
793
830
} else {
800
837
}
801
838
802
839
if(quit_now){
840
errno = EINTR;
803
841
goto mandos_end;
804
842
}
805
843
806
844
do {
807
845
ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
808
846
if(quit_now){
847
errno = EINTR;
809
848
goto mandos_end;
810
849
}
811
850
} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
820
859
written = 0;
821
860
while(written < (size_t) decrypted_buffer_size){
822
861
if(quit_now){
862
errno = EINTR;
823
863
goto mandos_end;
824
864
}
825
865
827
867
(size_t)decrypted_buffer_size - written,
828
868
stdout);
829
869
if(ret == 0 and ferror(stdout)){
870
int e = errno;
830
871
if(debug){
831
872
fprintf(stderr, "Error writing encrypted data: %s\n",
832
873
strerror(errno));
833
874
}
875
errno = e;
834
876
goto mandos_end;
835
877
}
836
878
written += (size_t)ret;
842
884
/* Shutdown procedure */
843
885
844
886
mandos_end:
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;
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;
856
906
}
857
907
return retval;
858
908
}
974
1024
errno = old_errno;
975
1025
}
976
1026
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
977
1122
int main(int argc, char *argv[]){
978
1123
AvahiSServiceBrowser *sb = NULL;
979
1124
int error;
981
1126
intmax_t tmpmax;
982
1127
char *tmp;
983
1128
int exitcode = EXIT_SUCCESS;
984
const char *interface = "eth0";
1129
const char *interface = "";
985
1130
struct ifreq network;
986
1131
int sd = -1;
987
1132
bool take_down_interface = false;
988
1133
uid_t uid;
989
1134
gid_t gid;
990
char *connect_to = NULL;
991
1135
char tempdir[] = "/tmp/mandosXXXXXX";
992
1136
bool tempdir_created = false;
993
1137
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
1056
1200
.arg = "SECONDS",
1057
1201
.doc = "Maximum delay to wait for interface startup",
1058
1202
.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 },
1059
1212
{ .name = NULL }
1060
1213
};
1061
1214
1062
1215
error_t parse_opt(int key, char *arg,
1063
1216
struct argp_state *state){
1217
errno = 0;
1064
1218
switch(key){
1065
1219
case 128: /* --debug */
1066
1220
debug = true;
1082
1236
tmpmax = strtoimax(arg, &tmp, 10);
1083
1237
if(errno != 0 or tmp == arg or *tmp != '\0'
1084
1238
or tmpmax != (typeof(mc.dh_bits))tmpmax){
1085
fprintf(stderr, "Bad number of DH bits\n");
1086
exit(EXIT_FAILURE);
1239
argp_error(state, "Bad number of DH bits");
1087
1240
}
1088
1241
mc.dh_bits = (typeof(mc.dh_bits))tmpmax;
1089
1242
break;
1094
1247
errno = 0;
1095
1248
delay = strtof(arg, &tmp);
1096
1249
if(errno != 0 or tmp == arg or *tmp != '\0'){
1097
fprintf(stderr, "Bad delay\n");
1098
exit(EXIT_FAILURE);
1250
argp_error(state, "Bad delay");
1099
1251
}
1100
1252
break;
1101
case ARGP_KEY_ARG:
1102
argp_usage(state);
1103
case ARGP_KEY_END:
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);
1104
1266
break;
1105
1267
default:
1106
1268
return ARGP_ERR_UNKNOWN;
1107
1269
}
1108
return 0;
1270
return errno;
1109
1271
}
1110
1272
1111
1273
struct argp argp = { .options = options, .parser = parse_opt,
1112
1274
.args_doc = "",
1113
1275
.doc = "Mandos client -- Get and decrypt"
1114
1276
" passwords from a Mandos server" };
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;
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;
1119
1290
goto end;
1120
1291
}
1121
1292
}
1123
1294
if(not debug){
1124
1295
avahi_set_log_function(empty_log);
1125
1296
}
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
}
1126
1322
1127
1323
/* Initialize Avahi early so avahi_simple_poll_quit() can be called
1128
1324
from the signal handler */
1131
1327
mc.simple_poll = avahi_simple_poll_new();
1132
1328
if(mc.simple_poll == NULL){
1133
1329
fprintf(stderr, "Avahi: Failed to create simple poll object.\n");
1134
exitcode = EXIT_FAILURE;
1330
exitcode = EX_UNAVAILABLE;
1135
1331
goto end;
1136
1332
}
1137
1333
1139
1335
ret = sigaddset(&sigterm_action.sa_mask, SIGINT);
1140
1336
if(ret == -1){
1141
1337
perror("sigaddset");
1142
exitcode = EXIT_FAILURE;
1338
exitcode = EX_OSERR;
1143
1339
goto end;
1144
1340
}
1145
1341
ret = sigaddset(&sigterm_action.sa_mask, SIGHUP);
1146
1342
if(ret == -1){
1147
1343
perror("sigaddset");
1148
exitcode = EXIT_FAILURE;
1344
exitcode = EX_OSERR;
1149
1345
goto end;
1150
1346
}
1151
1347
ret = sigaddset(&sigterm_action.sa_mask, SIGTERM);
1152
1348
if(ret == -1){
1153
1349
perror("sigaddset");
1154
exitcode = EXIT_FAILURE;
1350
exitcode = EX_OSERR;
1155
1351
goto end;
1156
1352
}
1157
1353
/* Need to check if the handler is SIG_IGN before handling:
1161
1357
ret = sigaction(SIGINT, NULL, &old_sigterm_action);
1162
1358
if(ret == -1){
1163
1359
perror("sigaction");
1164
return EXIT_FAILURE;
1360
return EX_OSERR;
1165
1361
}
1166
1362
if(old_sigterm_action.sa_handler != SIG_IGN){
1167
1363
ret = sigaction(SIGINT, &sigterm_action, NULL);
1168
1364
if(ret == -1){
1169
1365
perror("sigaction");
1170
exitcode = EXIT_FAILURE;
1366
exitcode = EX_OSERR;
1171
1367
goto end;
1172
1368
}
1173
1369
}
1174
1370
ret = sigaction(SIGHUP, NULL, &old_sigterm_action);
1175
1371
if(ret == -1){
1176
1372
perror("sigaction");
1177
return EXIT_FAILURE;
1373
return EX_OSERR;
1178
1374
}
1179
1375
if(old_sigterm_action.sa_handler != SIG_IGN){
1180
1376
ret = sigaction(SIGHUP, &sigterm_action, NULL);
1181
1377
if(ret == -1){
1182
1378
perror("sigaction");
1183
exitcode = EXIT_FAILURE;
1379
exitcode = EX_OSERR;
1184
1380
goto end;
1185
1381
}
1186
1382
}
1187
1383
ret = sigaction(SIGTERM, NULL, &old_sigterm_action);
1188
1384
if(ret == -1){
1189
1385
perror("sigaction");
1190
return EXIT_FAILURE;
1386
return EX_OSERR;
1191
1387
}
1192
1388
if(old_sigterm_action.sa_handler != SIG_IGN){
1193
1389
ret = sigaction(SIGTERM, &sigterm_action, NULL);
1194
1390
if(ret == -1){
1195
1391
perror("sigaction");
1196
exitcode = EXIT_FAILURE;
1392
exitcode = EX_OSERR;
1197
1393
goto end;
1198
1394
}
1199
1395
}
1200
1396
1201
1397
/* If the interface is down, bring it up */
1202
if(interface[0] != '\0'){
1398
if(strcmp(interface, "none") != 0){
1203
1399
if_index = (AvahiIfIndex) if_nametoindex(interface);
1204
1400
if(if_index == 0){
1205
1401
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1206
exitcode = EXIT_FAILURE;
1402
exitcode = EX_UNAVAILABLE;
1207
1403
goto end;
1208
1404
}
1209
1405
1220
1416
1221
1417
#ifdef __linux__
1222
1418
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1223
messages to mess up the prompt */
1419
messages about the network interface to mess up the prompt */
1224
1420
ret = klogctl(8, NULL, 5);
1225
1421
bool restore_loglevel = true;
1226
1422
if(ret == -1){
1232
1428
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1233
1429
if(sd < 0){
1234
1430
perror("socket");
1235
exitcode = EXIT_FAILURE;
1431
exitcode = EX_OSERR;
1236
1432
#ifdef __linux__
1237
1433
if(restore_loglevel){
1238
1434
ret = klogctl(7, NULL, 0);
1261
1457
}
1262
1458
}
1263
1459
#endif /* __linux__ */
1264
exitcode = EXIT_FAILURE;
1460
exitcode = EX_OSERR;
1265
1461
/* Lower privileges */
1266
1462
errno = 0;
1267
1463
ret = seteuid(uid);
1276
1472
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1277
1473
if(ret == -1){
1278
1474
take_down_interface = false;
1279
perror("ioctl SIOCSIFFLAGS");
1280
exitcode = EXIT_FAILURE;
1475
perror("ioctl SIOCSIFFLAGS +IFF_UP");
1476
exitcode = EX_OSERR;
1281
1477
#ifdef __linux__
1282
1478
if(restore_loglevel){
1283
1479
ret = klogctl(7, NULL, 0);
1349
1545
ret = init_gnutls_global(pubkey, seckey);
1350
1546
if(ret == -1){
1351
1547
fprintf(stderr, "init_gnutls_global failed\n");
1352
exitcode = EXIT_FAILURE;
1548
exitcode = EX_UNAVAILABLE;
1353
1549
goto end;
1354
1550
} else {
1355
1551
gnutls_initialized = true;
1372
1568
1373
1569
if(not init_gpgme(pubkey, seckey, tempdir)){
1374
1570
fprintf(stderr, "init_gpgme failed\n");
1375
exitcode = EXIT_FAILURE;
1571
exitcode = EX_UNAVAILABLE;
1376
1572
goto end;
1377
1573
} else {
1378
1574
gpgme_initialized = true;
1388
1584
char *address = strrchr(connect_to, ':');
1389
1585
if(address == NULL){
1390
1586
fprintf(stderr, "No colon in address\n");
1391
exitcode = EXIT_FAILURE;
1587
exitcode = EX_USAGE;
1392
1588
goto end;
1393
1589
}
1394
1590
1402
1598
if(errno != 0 or tmp == address+1 or *tmp != '\0'
1403
1599
or tmpmax != (uint16_t)tmpmax){
1404
1600
fprintf(stderr, "Bad port number\n");
1405
exitcode = EXIT_FAILURE;
1601
exitcode = EX_USAGE;
1406
1602
goto end;
1407
1603
}
1408
1604
1424
1620
if(quit_now){
1425
1621
goto end;
1426
1622
}
1427
1428
ret = start_mandos_communication(address, port, if_index, af);
1429
if(ret < 0){
1430
exitcode = EXIT_FAILURE;
1431
} else {
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){
1432
1633
exitcode = EXIT_SUCCESS;
1433
1634
}
1635
1434
1636
goto end;
1435
1637
}
1436
1638
1460
1662
if(mc.server == NULL){
1461
1663
fprintf(stderr, "Failed to create Avahi server: %s\n",
1462
1664
avahi_strerror(error));
1463
exitcode = EXIT_FAILURE;
1665
exitcode = EX_UNAVAILABLE;
1464
1666
goto end;
1465
1667
}
1466
1668
1475
1677
if(sb == NULL){
1476
1678
fprintf(stderr, "Failed to create service browser: %s\n",
1477
1679
avahi_strerror(avahi_server_errno(mc.server)));
1478
exitcode = EXIT_FAILURE;
1680
exitcode = EX_UNAVAILABLE;
1479
1681
goto end;
1480
1682
}
1481
1683
1530
1732
if(ret == -1){
1531
1733
perror("ioctl SIOCGIFFLAGS");
1532
1734
} else if(network.ifr_flags & IFF_UP) {
1533
network.ifr_flags &= ~IFF_UP; /* clear flag */
1735
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
1534
1736
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1535
1737
if(ret == -1){
1536
perror("ioctl SIOCSIFFLAGS");
1738
perror("ioctl SIOCSIFFLAGS -IFF_UP");
1537
1739
}
1538
1740
}
1539
1741
ret = (int)TEMP_FAILURE_RETRY(close(sd));
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0