32
32
#define _LARGEFILE_SOURCE
33
33
#define _FILE_OFFSET_BITS 64
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
35
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */
37
#include <stdio.h> /* fprintf(), stderr, fwrite(), stdout,
37
#include <stdio.h> /* fprintf(), stderr, fwrite(),
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(), memcpy(), strcpy() */
45
strerror(), asprintf(), strcpy() */
46
46
#include <sys/ioctl.h> /* ioctl */
47
47
#include <sys/types.h> /* socket(), inet_pton(), sockaddr,
48
48
sockaddr_in6, PF_INET6,
212
214
fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
213
215
gpgme_strsource(rc), gpgme_strerror(rc));
214
216
plaintext_length = -1;
218
gpgme_decrypt_result_t result;
219
result = gpgme_op_decrypt_result(ctx);
221
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
223
fprintf(stderr, "Unsupported algorithm: %s\n",
224
result->unsupported_algorithm);
225
fprintf(stderr, "Wrong key usage: %u\n",
226
result->wrong_key_usage);
227
if(result->file_name != NULL){
228
fprintf(stderr, "File name: %s\n", result->file_name);
230
gpgme_recipient_t recipient;
231
recipient = result->recipients;
233
while(recipient != NULL){
234
fprintf(stderr, "Public key algorithm: %s\n",
235
gpgme_pubkey_algo_name(recipient->pubkey_algo));
236
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
237
fprintf(stderr, "Secret key available: %s\n",
238
recipient->status == GPG_ERR_NO_SECKEY
240
recipient = recipient->next;
215
245
goto decrypt_end;
219
249
fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
223
gpgme_decrypt_result_t result;
224
result = gpgme_op_decrypt_result(ctx);
226
fprintf(stderr, "gpgme_op_decrypt_result failed\n");
228
fprintf(stderr, "Unsupported algorithm: %s\n",
229
result->unsupported_algorithm);
230
fprintf(stderr, "Wrong key usage: %u\n",
231
result->wrong_key_usage);
232
if(result->file_name != NULL){
233
fprintf(stderr, "File name: %s\n", result->file_name);
235
gpgme_recipient_t recipient;
236
recipient = result->recipients;
238
while(recipient != NULL){
239
fprintf(stderr, "Public key algorithm: %s\n",
240
gpgme_pubkey_algo_name(recipient->pubkey_algo));
241
fprintf(stderr, "Key ID: %s\n", recipient->keyid);
242
fprintf(stderr, "Secret key available: %s\n",
243
recipient->status == GPG_ERR_NO_SECKEY
245
recipient = recipient->next;
251
252
/* Seek back to the beginning of the GPGME plaintext data buffer */
252
253
if (gpgme_data_seek(dh_plain, (off_t) 0, SEEK_SET) == -1){
253
254
perror("pgpme_data_seek");
339
340
/* OpenPGP credentials */
340
341
gnutls_certificate_allocate_credentials(&mc->cred);
341
342
if (ret != GNUTLS_E_SUCCESS){
342
fprintf (stderr, "GnuTLS memory error: %s\n",
343
fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious
343
345
safer_gnutls_strerror(ret));
344
346
gnutls_global_deinit ();
349
351
fprintf(stderr, "Attempting to use OpenPGP certificate %s"
350
" and keyfile %s as GnuTLS credentials\n", pubkeyfile,
352
" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,
354
356
ret = gnutls_certificate_set_openpgp_key_file
355
(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);
357
(mc->cred, pubkeyfilename, seckeyfilename,
358
GNUTLS_OPENPGP_FMT_BASE64);
356
359
if (ret != GNUTLS_E_SUCCESS) {
358
361
"Error[%d] while reading the OpenPGP key pair ('%s',"
359
" '%s')\n", ret, pubkeyfile, seckeyfile);
362
" '%s')\n", ret, pubkeyfilename, seckeyfilename);
360
363
fprintf(stdout, "The GnuTLS error is: %s\n",
361
364
safer_gnutls_strerror(ret));
472
475
fprintf(stderr, "Binding to interface %s\n", interface);
475
memset(&to,0,sizeof(to)); /* Spurious warning */
478
memset(&to, 0, sizeof(to));
476
479
to.in6.sin6_family = AF_INET6;
477
480
/* It would be nice to have a way to detect if we were passed an
478
481
IPv4 address here. Now we assume an IPv6 address. */
743
748
/* Combines file name and path and returns the malloced new
744
749
string. some sane checks could/should be added */
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);
750
static char *combinepath(const char *first, const char *second){
752
int ret = asprintf(&tmp, "%s/%s", first, second);
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';
774
770
char *connect_to = NULL;
775
771
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
776
const char *pubkeyfile = "pubkey.txt";
777
const char *seckeyfile = "seckey.txt";
772
char *pubkeyfilename = NULL;
773
char *seckeyfilename = NULL;
774
const char *pubkeyname = "pubkey.txt";
775
const char *seckeyname = "seckey.txt";
778
776
mandos_context mc = { .simple_poll = NULL, .server = NULL,
779
777
.dh_bits = 1024, .priority = "SECURE256"};
780
778
bool gnutls_initalized = false;
874
pubkeyfile = combinepath(keydir, pubkeyfile);
875
if (pubkeyfile == NULL){
871
pubkeyfilename = combinepath(keydir, pubkeyname);
872
if (pubkeyfilename == NULL){
876
873
perror("combinepath");
877
874
exitcode = EXIT_FAILURE;
881
seckeyfile = combinepath(keydir, seckeyfile);
882
if (seckeyfile == NULL){
878
seckeyfilename = combinepath(keydir, seckeyname);
879
if (seckeyfilename == NULL){
883
880
perror("combinepath");
884
881
exitcode = EXIT_FAILURE;
888
ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);
885
ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);
890
887
fprintf(stderr, "init_gnutls_global failed\n");
891
888
exitcode = EXIT_FAILURE;
902
899
exitcode = EXIT_FAILURE;
905
strcpy(network.ifr_name, interface); /* Spurious warning */
902
strcpy(network.ifr_name, interface);
906
903
ret = ioctl(sd, SIOCGIFFLAGS, &network);
908
905
perror("ioctl SIOCGIFFLAGS");