32
32
#define _LARGEFILE_SOURCE
33
33
#define _FILE_OFFSET_BITS 64
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
37
#include <stdio.h> /* fprintf(), stderr, fwrite(),
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
39
39
#include <stdint.h> /* uint16_t, uint32_t */
40
40
#include <stddef.h> /* NULL, size_t, ssize_t */
41
41
#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,
43
43
#include <stdbool.h> /* bool, true */
44
44
#include <string.h> /* memset(), strcmp(), strlen(),
45
strerror(), asprintf(), strcpy() */
45
strerror(), memcpy(), strcpy() */
46
46
#include <sys/ioctl.h> /* ioctl */
47
47
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
48
48
sockaddr_in6, PF_INET6,
351
349
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
352
" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,
350
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
356
354
ret = gnutls_certificate_set_openpgp_key_file
357
(mc->cred, pubkeyfilename, seckeyfilename,
358
GNUTLS_OPENPGP_FMT_BASE64);
355
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
359
356
if (ret != GNUTLS_E_SUCCESS) {
361
358
"Error[%d] while reading the OpenPGP key pair ('%s',"
362
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
359
" '%s')\n", ret, pubkeyfile, seckeyfile);
363
360
fprintf(stdout, "The GnuTLS error is: %s\n",
364
361
safer_gnutls_strerror(ret));
475
472
fprintf(stderr, "Binding to interface %s\n", interface);
478
memset(&to, 0, sizeof(to)); /* Spurious warning */
475
memset(&to,0,sizeof(to)); /* Spurious warning */
479
476
to.in6.sin6_family = AF_INET6;
480
477
/* It would be nice to have a way to detect if we were passed an
481
478
IPv4 address here. Now we assume an IPv6 address. */
746
743
/* Combines file name and path and returns the malloced new
747
744
string. some sane checks could/should be added */
748
static char *combinepath(const char *first, const char *second){
750
int ret = asprintf(&tmp, "%s/%s", first, second);
745
static const char *combinepath(const char *first, const char *second){
746
size_t f_len = strlen(first);
747
size_t s_len = strlen(second);
748
char *tmp = malloc(f_len + s_len + 2);
753
memcpy(tmp, first, f_len); /* Spurious warning */
757
memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */
759
tmp[f_len + 1 + s_len] = '\0';
768
774
char *connect_to = NULL;
769
775
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
770
char *pubkeyfilename = NULL;
771
char *seckeyfilename = NULL;
772
const char *pubkeyname = "pubkey.txt";
773
const char *seckeyname = "seckey.txt";
776
const char *pubkeyfile = "pubkey.txt";
777
const char *seckeyfile = "seckey.txt";
774
778
mandos_context mc = { .simple_poll = NULL, .server = NULL,
775
779
.dh_bits = 1024, .priority = "SECURE256"};
776
780
bool gnutls_initalized = false;
869
pubkeyfilename = combinepath(keydir, pubkeyname);
870
if (pubkeyfilename == NULL){
873
pubkeyfile = combinepath(keydir, pubkeyfile);
874
if (pubkeyfile == NULL){
871
875
perror("combinepath");
872
876
exitcode = EXIT_FAILURE;
876
seckeyfilename = combinepath(keydir, seckeyname);
877
if (seckeyfilename == NULL){
880
seckeyfile = combinepath(keydir, seckeyfile);
881
if (seckeyfile == NULL){
878
882
perror("combinepath");
879
883
exitcode = EXIT_FAILURE;
883
ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);
887
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
885
889
fprintf(stderr, "init_gnutls_global failed\n");
886
890
exitcode = EXIT_FAILURE;