26
26
* along with this program. If not, see
27
27
* <http://www.gnu.org/licenses/>.
29
* Contact the authors at <mandos@recompile.se>.
29
* Contact the authors at <mandos@fukt.bsnet.se>.
32
32
/* Needed by GPGME, specifically gpgme_data_seek() */
33
#ifndef _LARGEFILE_SOURCE
34
33
#define _LARGEFILE_SOURCE
36
#ifndef _FILE_OFFSET_BITS
37
34
#define _FILE_OFFSET_BITS 64
40
36
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
42
38
#include <stdio.h> /* fprintf(), stderr, fwrite(),
43
stdout, ferror(), remove() */
39
stdout, ferror(), sscanf(),
44
41
#include <stdint.h> /* uint16_t, uint32_t */
45
42
#include <stddef.h> /* NULL, size_t, ssize_t */
46
#include <stdlib.h> /* free(), EXIT_SUCCESS, srand(),
48
#include <stdbool.h> /* bool, false, true */
43
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
45
#include <stdbool.h> /* bool, true */
49
46
#include <string.h> /* memset(), strcmp(), strlen(),
50
47
strerror(), asprintf(), strcpy() */
51
#include <sys/ioctl.h> /* ioctl */
48
#include <sys/ioctl.h> /* ioctl */
52
49
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
53
50
sockaddr_in6, PF_INET6,
54
SOCK_STREAM, uid_t, gid_t, open(),
51
SOCK_STREAM, INET6_ADDRSTRLEN,
52
uid_t, gid_t, open(), opendir(),
56
54
#include <sys/stat.h> /* open() */
57
55
#include <sys/socket.h> /* socket(), struct sockaddr_in6,
58
inet_pton(), connect() */
56
struct in6_addr, inet_pton(),
59
58
#include <fcntl.h> /* open() */
60
59
#include <dirent.h> /* opendir(), struct dirent, readdir()
62
#include <inttypes.h> /* PRIu16, PRIdMAX, intmax_t,
61
#include <inttypes.h> /* PRIu16, intmax_t, SCNdMAX */
64
62
#include <assert.h> /* assert() */
65
#include <errno.h> /* perror(), errno,
66
program_invocation_short_name */
67
#include <time.h> /* nanosleep(), time(), sleep() */
63
#include <errno.h> /* perror(), errno */
64
#include <time.h> /* nanosleep(), time() */
68
65
#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
69
66
SIOCSIFFLAGS, if_indextoname(),
70
67
if_nametoindex(), IF_NAMESIZE */
71
#include <netinet/in.h> /* IN6_IS_ADDR_LINKLOCAL,
72
INET_ADDRSTRLEN, INET6_ADDRSTRLEN
68
#include <netinet/in.h>
74
69
#include <unistd.h> /* close(), SEEK_SET, off_t, write(),
75
getuid(), getgid(), seteuid(),
77
#include <arpa/inet.h> /* inet_pton(), htons, inet_ntop() */
78
#include <iso646.h> /* not, or, and */
70
getuid(), getgid(), setuid(),
72
#include <arpa/inet.h> /* inet_pton(), htons */
73
#include <iso646.h> /* not, and, or */
79
74
#include <argp.h> /* struct argp_option, error_t, struct
80
75
argp_state, struct argp,
81
76
argp_parse(), ARGP_KEY_ARG,
82
77
ARGP_KEY_END, ARGP_ERR_UNKNOWN */
83
#include <signal.h> /* sigemptyset(), sigaddset(),
84
sigaction(), SIGTERM, sig_atomic_t,
86
#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_UNAVAILABLE,
87
EX_NOHOST, EX_IOERR, EX_PROTOCOL */
90
79
#include <sys/klog.h> /* klogctl() */
91
#endif /* __linux__ */
94
83
/* All Avahi types, constants and functions
596
509
/* Called when a Mandos server is found */
597
510
static int start_mandos_communication(const char *ip, uint16_t port,
598
511
AvahiIfIndex if_index,
600
int ret, tcp_sd = -1;
603
struct sockaddr_in in;
604
struct sockaddr_in6 in6;
515
union { struct sockaddr in; struct sockaddr_in6 in6; } to;
606
516
char *buffer = NULL;
607
char *decrypted_buffer = NULL;
517
char *decrypted_buffer;
608
518
size_t buffer_length = 0;
609
519
size_t buffer_capacity = 0;
520
ssize_t decrypted_buffer_size;
523
char interface[IF_NAMESIZE];
612
524
gnutls_session_t session;
613
int pf; /* Protocol family */
630
fprintf(stderr, "Bad address family: %d\n", af);
635
ret = init_gnutls_session(&session);
526
ret = init_gnutls_session(mc, &session);
641
fprintf(stderr, "Setting up a TCP connection to %s, port %" PRIu16
532
fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16
645
tcp_sd = socket(pf, SOCK_STREAM, 0);
536
tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);
648
perror_plus("socket");
543
if(if_indextoname((unsigned int)if_index, interface) == NULL){
544
perror("if_indextoname");
547
fprintf(stderr, "Binding to interface %s\n", interface);
658
550
memset(&to, 0, sizeof(to));
660
to.in6.sin6_family = (sa_family_t)af;
661
ret = inet_pton(af, ip, &to.in6.sin6_addr);
663
to.in.sin_family = (sa_family_t)af;
664
ret = inet_pton(af, ip, &to.in.sin_addr);
551
to.in6.sin6_family = AF_INET6;
552
/* It would be nice to have a way to detect if we were passed an
553
IPv4 address here. Now we assume an IPv6 address. */
554
ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);
668
perror_plus("inet_pton");
674
560
fprintf(stderr, "Bad address: %s\n", ip);
679
to.in6.sin6_port = htons(port); /* Spurious warnings from
681
-Wunreachable-code */
683
if(IN6_IS_ADDR_LINKLOCAL /* Spurious warnings from */
684
(&to.in6.sin6_addr)){ /* -Wstrict-aliasing=2 or lower and
686
if(if_index == AVAHI_IF_UNSPEC){
687
fprintf(stderr, "An IPv6 link-local address is incomplete"
688
" without a network interface\n");
692
/* Set the network interface number as scope */
693
to.in6.sin6_scope_id = (uint32_t)if_index;
696
to.in.sin_port = htons(port); /* Spurious warnings from
563
to.in6.sin6_port = htons(port); /* Spurious warnings from
698
565
-Wunreachable-code */
567
to.in6.sin6_scope_id = (uint32_t)if_index;
707
if(af == AF_INET6 and if_index != AVAHI_IF_UNSPEC){
708
char interface[IF_NAMESIZE];
709
if(if_indextoname((unsigned int)if_index, interface) == NULL){
710
perror_plus("if_indextoname");
712
fprintf(stderr, "Connection to: %s%%%s, port %" PRIu16 "\n",
713
ip, interface, port);
716
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
719
char addrstr[(INET_ADDRSTRLEN > INET6_ADDRSTRLEN) ?
720
INET_ADDRSTRLEN : INET6_ADDRSTRLEN] = "";
723
pcret = inet_ntop(af, &(to.in6.sin6_addr), addrstr,
726
pcret = inet_ntop(af, &(to.in.sin_addr), addrstr,
730
perror_plus("inet_ntop");
570
fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
572
char addrstr[INET6_ADDRSTRLEN] = "";
573
if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,
574
sizeof(addrstr)) == NULL){
732
577
if(strcmp(addrstr, ip) != 0){
733
578
fprintf(stderr, "Canonical address form: %s\n", addrstr);
1073
/* Signal handler that stops main loop after SIGTERM */
1074
static void handle_sigterm(int sig){
1079
signal_received = sig;
1080
int old_errno = errno;
1081
/* set main loop to exit */
1082
if(mc.simple_poll != NULL){
1083
avahi_simple_poll_quit(mc.simple_poll);
1089
* This function determines if a directory entry in /sys/class/net
1090
* corresponds to an acceptable network device.
1091
* (This function is passed to scandir(3) as a filter function.)
1093
int good_interface(const struct dirent *if_entry){
1096
if(if_entry->d_name[0] == '.'){
1099
int s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1101
perror_plus("socket");
1105
strcpy(ifr.ifr_name, if_entry->d_name);
1106
ret = ioctl(s, SIOCGIFFLAGS, &ifr);
1109
perror_plus("ioctl SIOCGIFFLAGS");
1113
/* Reject the loopback device */
1114
if(ifr.ifr_flags & IFF_LOOPBACK){
1116
fprintf(stderr, "Rejecting loopback interface \"%s\"\n",
1121
/* Accept point-to-point devices only if connect_to is specified */
1122
if(connect_to != NULL and (ifr.ifr_flags & IFF_POINTOPOINT)){
1124
fprintf(stderr, "Accepting point-to-point interface \"%s\"\n",
1129
/* Otherwise, reject non-broadcast-capable devices */
1130
if(not (ifr.ifr_flags & IFF_BROADCAST)){
1132
fprintf(stderr, "Rejecting non-broadcast interface \"%s\"\n",
1137
/* Reject non-ARP interfaces (including dummy interfaces) */
1138
if(ifr.ifr_flags & IFF_NOARP){
1140
fprintf(stderr, "Rejecting non-ARP interface \"%s\"\n",
1145
/* Accept this device */
1147
fprintf(stderr, "Interface \"%s\" is acceptable\n",
1153
int notdotentries(const struct dirent *direntry){
1154
/* Skip "." and ".." */
1155
if(direntry->d_name[0] == '.'
1156
and (direntry->d_name[1] == '\0'
1157
or (direntry->d_name[1] == '.'
1158
and direntry->d_name[2] == '\0'))){
1164
int avahi_loop_with_timeout(AvahiSimplePoll *s, int retry_interval){
1166
struct timespec now;
1167
struct timespec waited_time;
1168
intmax_t block_time;
1171
if(mc.current_server == NULL){
1174
"Wait until first server is found. No timeout!\n");
1176
ret = avahi_simple_poll_iterate(s, -1);
1179
fprintf(stderr, "Check current_server if we should run it,"
1182
/* the current time */
1183
ret = clock_gettime(CLOCK_MONOTONIC, &now);
1185
perror_plus("clock_gettime");
1188
/* Calculating in ms how long time between now and server
1189
who we visted longest time ago. Now - last seen. */
1190
waited_time.tv_sec = (now.tv_sec
1191
- mc.current_server->last_seen.tv_sec);
1192
waited_time.tv_nsec = (now.tv_nsec
1193
- mc.current_server->last_seen.tv_nsec);
1194
/* total time is 10s/10,000ms.
1195
Converting to s from ms by dividing by 1,000,
1196
and ns to ms by dividing by 1,000,000. */
1197
block_time = ((retry_interval
1198
- ((intmax_t)waited_time.tv_sec * 1000))
1199
- ((intmax_t)waited_time.tv_nsec / 1000000));
1202
fprintf(stderr, "Blocking for %" PRIdMAX " ms\n", block_time);
1205
if(block_time <= 0){
1206
ret = start_mandos_communication(mc.current_server->ip,
1207
mc.current_server->port,
1208
mc.current_server->if_index,
1209
mc.current_server->af);
1211
avahi_simple_poll_quit(mc.simple_poll);
1214
ret = clock_gettime(CLOCK_MONOTONIC,
1215
&mc.current_server->last_seen);
1217
perror_plus("clock_gettime");
1220
mc.current_server = mc.current_server->next;
1221
block_time = 0; /* Call avahi to find new Mandos
1222
servers, but don't block */
1225
ret = avahi_simple_poll_iterate(s, (int)block_time);
1228
if (ret > 0 or errno != EINTR) {
1229
return (ret != 1) ? ret : 0;
1235
824
int main(int argc, char *argv[]){
1236
825
AvahiSServiceBrowser *sb = NULL;
1239
828
intmax_t tmpmax;
1241
830
int exitcode = EXIT_SUCCESS;
1242
const char *interface = "";
831
const char *interface = "eth0";
1243
832
struct ifreq network;
1245
bool take_down_interface = false;
836
char *connect_to = NULL;
1248
837
char tempdir[] = "/tmp/mandosXXXXXX";
1249
838
bool tempdir_created = false;
1250
839
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
1251
840
const char *seckey = PATHDIR "/" SECKEY;
1252
841
const char *pubkey = PATHDIR "/" PUBKEY;
843
mandos_context mc = { .simple_poll = NULL, .server = NULL,
844
.dh_bits = 1024, .priority = "SECURE256"
845
":!CTYPE-X.509:+CTYPE-OPENPGP" };
1254
846
bool gnutls_initialized = false;
1255
847
bool gpgme_initialized = false;
1257
double retry_interval = 10; /* 10s between trying a server and
1258
retrying the same server again */
1260
struct sigaction old_sigterm_action = { .sa_handler = SIG_DFL };
1261
struct sigaction sigterm_action = { .sa_handler = handle_sigterm };
1266
/* Lower any group privileges we might have, just to be safe */
1270
perror_plus("setgid");
1273
/* Lower user privileges (temporarily) */
1277
perror_plus("seteuid");
1285
851
struct argp_option options[] = {
1363
915
mc.priority = arg;
1365
917
case 131: /* --delay */
1367
delay = strtof(arg, &tmp);
1368
if(errno != 0 or tmp == arg or *tmp != '\0'){
1369
argp_error(state, "Bad delay");
1371
case 132: /* --retry */
1373
retry_interval = strtod(arg, &tmp);
1374
if(errno != 0 or tmp == arg or *tmp != '\0'
1375
or (retry_interval * 1000) > INT_MAX
1376
or retry_interval < 0){
1377
argp_error(state, "Bad retry interval");
918
ret = sscanf(arg, "%lf%n", &delay, &numchars);
919
if(ret < 1 or arg[numchars] != '\0'){
920
fprintf(stderr, "Bad delay\n");
1381
* These reproduce what we would get without ARGP_NO_HELP
1383
case '?': /* --help */
1384
argp_state_help(state, state->out_stream,
1385
(ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
1386
& ~(unsigned int)ARGP_HELP_EXIT_OK);
1387
case -3: /* --usage */
1388
argp_state_help(state, state->out_stream,
1389
ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
1390
case 'V': /* --version */
1391
fprintf(state->out_stream, "%s\n", argp_program_version);
1392
exit(argp_err_exit_status);
1395
929
return ARGP_ERR_UNKNOWN;
1400
934
struct argp argp = { .options = options, .parser = parse_opt,
1402
936
.doc = "Mandos client -- Get and decrypt"
1403
937
" passwords from a Mandos server" };
1404
ret = argp_parse(&argp, argc, argv,
1405
ARGP_IN_ORDER | ARGP_NO_HELP, 0, NULL);
1412
perror_plus("argp_parse");
1413
exitcode = EX_OSERR;
1416
exitcode = EX_USAGE;
1422
/* Work around Debian bug #633582:
1423
<http://bugs.debian.org/633582> */
1426
/* Re-raise priviliges */
1430
perror_plus("seteuid");
1433
if(strcmp(seckey, PATHDIR "/" SECKEY) == 0){
1434
int seckey_fd = open(seckey, O_RDONLY);
1435
if(seckey_fd == -1){
1436
perror_plus("open");
1438
ret = (int)TEMP_FAILURE_RETRY(fstat(seckey_fd, &st));
1440
perror_plus("fstat");
1442
if(S_ISREG(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
1443
ret = fchown(seckey_fd, uid, gid);
1445
perror_plus("fchown");
1449
TEMP_FAILURE_RETRY(close(seckey_fd));
1453
if(strcmp(pubkey, PATHDIR "/" PUBKEY) == 0){
1454
int pubkey_fd = open(pubkey, O_RDONLY);
1455
if(pubkey_fd == -1){
1456
perror_plus("open");
1458
ret = (int)TEMP_FAILURE_RETRY(fstat(pubkey_fd, &st));
1460
perror_plus("fstat");
1462
if(S_ISREG(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
1463
ret = fchown(pubkey_fd, uid, gid);
1465
perror_plus("fchown");
1469
TEMP_FAILURE_RETRY(close(pubkey_fd));
1473
/* Lower privileges */
1477
perror_plus("seteuid");
1482
avahi_set_log_function(empty_log);
1485
if(interface[0] == '\0'){
1486
struct dirent **direntries;
1487
ret = scandir(sys_class_net, &direntries, good_interface,
1490
/* Pick the first good interface */
1491
interface = strdup(direntries[0]->d_name);
1493
fprintf(stderr, "Using interface \"%s\"\n", interface);
1495
if(interface == NULL){
1496
perror_plus("malloc");
1498
exitcode = EXIT_FAILURE;
1504
fprintf(stderr, "Could not find a network interface\n");
938
ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
939
if(ret == ARGP_ERR_UNKNOWN){
940
fprintf(stderr, "Unknown error while parsing arguments\n");
1505
941
exitcode = EXIT_FAILURE;
1510
/* Initialize Avahi early so avahi_simple_poll_quit() can be called
1511
from the signal handler */
1512
/* Initialize the pseudo-RNG for Avahi */
1513
srand((unsigned int) time(NULL));
1514
mc.simple_poll = avahi_simple_poll_new();
1515
if(mc.simple_poll == NULL){
1516
fprintf(stderr, "Avahi: Failed to create simple poll object.\n");
1517
exitcode = EX_UNAVAILABLE;
1521
sigemptyset(&sigterm_action.sa_mask);
1522
ret = sigaddset(&sigterm_action.sa_mask, SIGINT);
1524
perror_plus("sigaddset");
1525
exitcode = EX_OSERR;
1528
ret = sigaddset(&sigterm_action.sa_mask, SIGHUP);
1530
perror_plus("sigaddset");
1531
exitcode = EX_OSERR;
1534
ret = sigaddset(&sigterm_action.sa_mask, SIGTERM);
1536
perror_plus("sigaddset");
1537
exitcode = EX_OSERR;
1540
/* Need to check if the handler is SIG_IGN before handling:
1541
| [[info:libc:Initial Signal Actions]] |
1542
| [[info:libc:Basic Signal Handling]] |
1544
ret = sigaction(SIGINT, NULL, &old_sigterm_action);
1546
perror_plus("sigaction");
1549
if(old_sigterm_action.sa_handler != SIG_IGN){
1550
ret = sigaction(SIGINT, &sigterm_action, NULL);
1552
perror_plus("sigaction");
1553
exitcode = EX_OSERR;
1557
ret = sigaction(SIGHUP, NULL, &old_sigterm_action);
1559
perror_plus("sigaction");
1562
if(old_sigterm_action.sa_handler != SIG_IGN){
1563
ret = sigaction(SIGHUP, &sigterm_action, NULL);
1565
perror_plus("sigaction");
1566
exitcode = EX_OSERR;
1570
ret = sigaction(SIGTERM, NULL, &old_sigterm_action);
1572
perror_plus("sigaction");
1575
if(old_sigterm_action.sa_handler != SIG_IGN){
1576
ret = sigaction(SIGTERM, &sigterm_action, NULL);
1578
perror_plus("sigaction");
1579
exitcode = EX_OSERR;
1584
946
/* If the interface is down, bring it up */
1585
if(strcmp(interface, "none") != 0){
1586
if_index = (AvahiIfIndex) if_nametoindex(interface);
1588
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1589
exitcode = EX_UNAVAILABLE;
1597
/* Re-raise priviliges */
1601
perror_plus("seteuid");
1604
948
#ifdef __linux__
1605
949
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1606
messages about the network interface to mess up the prompt */
950
messages to mess up the prompt */
1607
951
ret = klogctl(8, NULL, 5);
1608
bool restore_loglevel = true;
1610
restore_loglevel = false;
1611
perror_plus("klogctl");
1613
#endif /* __linux__ */
1615
957
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1617
perror_plus("socket");
1618
exitcode = EX_OSERR;
960
exitcode = EXIT_FAILURE;
1619
961
#ifdef __linux__
1620
if(restore_loglevel){
1621
ret = klogctl(7, NULL, 0);
1623
perror_plus("klogctl");
1626
#endif /* __linux__ */
1627
/* Lower privileges */
962
ret = klogctl(7, NULL, 0);
1631
perror_plus("seteuid");
1635
969
strcpy(network.ifr_name, interface);
1636
970
ret = ioctl(sd, SIOCGIFFLAGS, &network);
1638
perror_plus("ioctl SIOCGIFFLAGS");
972
perror("ioctl SIOCGIFFLAGS");
1639
973
#ifdef __linux__
1640
if(restore_loglevel){
1641
ret = klogctl(7, NULL, 0);
1643
perror_plus("klogctl");
1646
#endif /* __linux__ */
1647
exitcode = EX_OSERR;
1648
/* Lower privileges */
974
ret = klogctl(7, NULL, 0);
1652
perror_plus("seteuid");
979
exitcode = EXIT_FAILURE;
1656
982
if((network.ifr_flags & IFF_UP) == 0){
1657
983
network.ifr_flags |= IFF_UP;
1658
take_down_interface = true;
1659
984
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1661
take_down_interface = false;
1662
perror_plus("ioctl SIOCSIFFLAGS +IFF_UP");
1663
exitcode = EX_OSERR;
986
perror("ioctl SIOCSIFFLAGS");
987
exitcode = EXIT_FAILURE;
1664
988
#ifdef __linux__
1665
if(restore_loglevel){
1666
ret = klogctl(7, NULL, 0);
1668
perror_plus("klogctl");
1671
#endif /* __linux__ */
1672
/* Lower privileges */
989
ret = klogctl(7, NULL, 0);
1676
perror_plus("seteuid");
1681
/* Sleep checking until interface is running.
1682
Check every 0.25s, up to total time of delay */
997
/* sleep checking until interface is running */
1683
998
for(int i=0; i < delay * 4; i++){
1684
999
ret = ioctl(sd, SIOCGIFFLAGS, &network);
1686
perror_plus("ioctl SIOCGIFFLAGS");
1001
perror("ioctl SIOCGIFFLAGS");
1687
1002
} else if(network.ifr_flags & IFF_RUNNING){
1690
1005
struct timespec sleeptime = { .tv_nsec = 250000000 };
1691
1006
ret = nanosleep(&sleeptime, NULL);
1692
1007
if(ret == -1 and errno != EINTR){
1693
perror_plus("nanosleep");
1008
perror("nanosleep");
1696
if(not take_down_interface){
1697
/* We won't need the socket anymore */
1698
ret = (int)TEMP_FAILURE_RETRY(close(sd));
1700
perror_plus("close");
1011
ret = (int)TEMP_FAILURE_RETRY(close(sd));
1703
1015
#ifdef __linux__
1704
if(restore_loglevel){
1705
/* Restores kernel loglevel to default */
1706
ret = klogctl(7, NULL, 0);
1708
perror_plus("klogctl");
1711
#endif /* __linux__ */
1712
/* Lower privileges */
1714
if(take_down_interface){
1715
/* Lower privileges */
1718
perror_plus("seteuid");
1721
/* Lower privileges permanently */
1724
perror_plus("setuid");
1733
ret = init_gnutls_global(pubkey, seckey);
1016
/* Restores kernel loglevel to default */
1017
ret = klogctl(7, NULL, 0);
1037
ret = init_gnutls_global(&mc, pubkey, seckey);
1735
1039
fprintf(stderr, "init_gnutls_global failed\n");
1736
exitcode = EX_UNAVAILABLE;
1040
exitcode = EXIT_FAILURE;
1739
1043
gnutls_initialized = true;
1746
1046
if(mkdtemp(tempdir) == NULL){
1747
perror_plus("mkdtemp");
1750
1050
tempdir_created = true;
1756
if(not init_gpgme(pubkey, seckey, tempdir)){
1052
if(not init_gpgme(&mc, pubkey, seckey, tempdir)){
1757
1053
fprintf(stderr, "init_gpgme failed\n");
1758
exitcode = EX_UNAVAILABLE;
1054
exitcode = EXIT_FAILURE;
1761
1057
gpgme_initialized = true;
1060
if_index = (AvahiIfIndex) if_nametoindex(interface);
1062
fprintf(stderr, "No such interface: \"%s\"\n", interface);
1063
exitcode = EXIT_FAILURE;