/mandos/release : revision 24.1.14

32

#define _LARGEFILE_SOURCE

33

#define _FILE_OFFSET_BITS 64

34

35

#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), asprintf() */

35

#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */

36

37

#include <stdio.h> /* fprintf(), stderr, fwrite(),

38

stdout, ferror() */

39

#include <stdint.h> /* uint16_t, uint32_t */

40

#include <stddef.h> /* NULL, size_t, ssize_t */

41

#include <stdlib.h> /* free(), EXIT_SUCCESS, EXIT_FAILURE,

42

srand() */

43

#include <stdbool.h> /* bool, true */

44

#include <string.h> /* memset(), strcmp(), strlen(),

45

strerror(), asprintf(), strcpy() */

46

#include <sys/ioctl.h> /* ioctl */

47

#include <sys/types.h> /* socket(), inet_pton(), sockaddr,

48

sockaddr_in6, PF_INET6,

49

SOCK_STREAM, INET6_ADDRSTRLEN,

50

uid_t, gid_t */

51

#include <inttypes.h> /* PRIu16 */

52

#include <sys/socket.h> /* socket(), struct sockaddr_in6,

53

struct in6_addr, inet_pton(),

54

connect() */

55

#include <assert.h> /* assert() */

56

#include <errno.h> /* perror(), errno */

57

#include <time.h> /* time() */

37

#include <stdio.h>

38

#include <assert.h>

39

#include <stdlib.h>

40

#include <time.h>

41

#include <net/if.h> /* if_nametoindex */

42

#include <sys/ioctl.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,

43

SIOCSIFFLAGS */

58

44

#include <net/if.h> /* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,

59

SIOCSIFFLAGS, if_indextoname(),

60

if_nametoindex(), IF_NAMESIZE */

61

#include <unistd.h> /* close(), SEEK_SET, off_t, write(),

62

getuid(), getgid(), setuid(),

63

setgid() */

64

#include <netinet/in.h>

65

#include <arpa/inet.h> /* inet_pton(), htons */

66

#include <iso646.h> /* not, and */

67

#include <argp.h> /* struct argp_option, error_t, struct

68

argp_state, struct argp,

69

argp_parse(), ARGP_KEY_ARG,

70

ARGP_KEY_END, ARGP_ERR_UNKNOWN */

45

SIOCSIFFLAGS */

71

46

72

/* Avahi */

73

/* All Avahi types, constants and functions

74

Avahi*, avahi_*,

75

AVAHI_* */

76

47

#include <avahi-core/core.h>

77

48

#include <avahi-core/lookup.h>

78

49

#include <avahi-core/log.h>

80

51

#include <avahi-common/malloc.h>

81

52

#include <avahi-common/error.h>

82

53

83

/* GnuTLS */

84

#include <gnutls/gnutls.h> /* All GnuTLS types, constants and

85

functions:

86

gnutls_*

87

init_gnutls_session(),

88

GNUTLS_* */

89

#include <gnutls/openpgp.h> /* gnutls_certificate_set_openpgp_key_file(),

90

GNUTLS_OPENPGP_FMT_BASE64 */

54

/* Mandos client part */

55

#include <sys/types.h> /* socket(), inet_pton() */

56

#include <sys/socket.h> /* socket(), struct sockaddr_in6,

57

struct in6_addr, inet_pton() */

58

#include <gnutls/gnutls.h> /* All GnuTLS stuff */

59

#include <gnutls/openpgp.h> /* GnuTLS with openpgp stuff */

91

60

61

#include <unistd.h> /* close() */

62

#include <netinet/in.h>

63

#include <stdbool.h> /* true */

64

#include <string.h> /* memset */

65

#include <arpa/inet.h> /* inet_pton() */

66

#include <iso646.h> /* not */

67

#include <net/if.h> /* IF_NAMESIZE */

68

#include <argp.h> /* struct argp_option,

69

struct argp_state, struct argp,

70

argp_parse() */

92

71

/* GPGME */

93

#include <gpgme.h> /* All GPGME types, constants and

94

functions:

95

gpgme_*

96

GPGME_PROTOCOL_OpenPGP,

97

GPG_ERR_NO_* */

72

#include <errno.h> /* perror() */

73

#include <gpgme.h>

98

74

99

75

#define BUFFER_SIZE 256

100

76

101

77

bool debug = false;

102

static const char *keydir = "/conf/conf.d/mandos";

103

static const char mandos_protocol_version[] = "1";

104

const char *argp_program_version = "password-request 1.0";

78

const char *keydir = "/conf/conf.d/mandos";

79

const char *argp_program_version = "mandosclient 0.9";

105

80

const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";

81

const char mandos_protocol_version[] = "1";

106

82

107

/* Used for passing in values through the Avahi callback functions */

83

/* Used for passing in values through all the callback functions */

108

84

typedef struct {

109

85

AvahiSimplePoll *simple_poll;

110

86

AvahiServer *server;

114

90

const char *priority;

115

91

} mandos_context;

116

92

117

/*

118

* Make room in "buffer" for at least BUFFER_SIZE additional bytes.

119

* "buffer_capacity" is how much is currently allocated,

120

* "buffer_length" is how much is already used.

121

*/

122

93

size_t adjustbuffer(char **buffer, size_t buffer_length,

123

94

size_t buffer_capacity){

124

95

if (buffer_length + BUFFER_SIZE > buffer_capacity){

229

200

} else {

230

201

fprintf(stderr, "Unsupported algorithm: %s\n",

231

202

result->unsupported_algorithm);

232

fprintf(stderr, "Wrong key usage: %u\n",

203

fprintf(stderr, "Wrong key usage: %d\n",

233

204

result->wrong_key_usage);

234

205

if(result->file_name != NULL){

235

206

fprintf(stderr, "File name: %s\n", result->file_name);

259

230

260

231

*plaintext = NULL;

261

232

while(true){

262

plaintext_capacity = adjustbuffer(plaintext,

263

(size_t)plaintext_length,

233

plaintext_capacity = adjustbuffer(plaintext, (size_t)plaintext_length,

264

234

plaintext_capacity);

265

235

if (plaintext_capacity == 0){

266

236

perror("adjustbuffer");

302

272

}

303

273

304

274

static const char * safer_gnutls_strerror (int value) {

305

const char *ret = gnutls_strerror (value); /* Spurious warning */

275

const char *ret = gnutls_strerror (value);

306

276

if (ret == NULL)

307

277

ret = "(unknown)";

308

278

return ret;

315

285

}

316

286

317

287

static int init_gnutls_global(mandos_context *mc,

318

const char *pubkeyfilename,

319

const char *seckeyfilename){

288

const char *pubkeyfile,

289

const char *seckeyfile){

320

290

int ret;

321

291

322

292

if(debug){

323

293

fprintf(stderr, "Initializing GnuTLS\n");

324

294

}

325

326

ret = gnutls_global_init();

327

if (ret != GNUTLS_E_SUCCESS) {

295

296

if ((ret = gnutls_global_init ())

297

!= GNUTLS_E_SUCCESS) {

328

298

fprintf (stderr, "GnuTLS global_init: %s\n",

329

299

safer_gnutls_strerror(ret));

330

300

return -1;

339

309

}

340

310

341

311

/* OpenPGP credentials */

342

gnutls_certificate_allocate_credentials(&mc->cred);

343

if (ret != GNUTLS_E_SUCCESS){

344

fprintf (stderr, "GnuTLS memory error: %s\n", /* Spurious

345

warning */

312

if ((ret = gnutls_certificate_allocate_credentials (&mc->cred))

313

!= GNUTLS_E_SUCCESS) {

314

fprintf (stderr, "GnuTLS memory error: %s\n",

346

315

safer_gnutls_strerror(ret));

347

gnutls_global_deinit ();

348

316

return -1;

349

317

}

350

318

351

319

if(debug){

352

320

fprintf(stderr, "Attempting to use OpenPGP certificate %s"

353

" and keyfile %s as GnuTLS credentials\n", pubkeyfilename,

354

seckeyfilename);

321

" and keyfile %s as GnuTLS credentials\n", pubkeyfile,

322

seckeyfile);

355

323

}

356

324

357

325

ret = gnutls_certificate_set_openpgp_key_file

358

(mc->cred, pubkeyfilename, seckeyfilename,

359

GNUTLS_OPENPGP_FMT_BASE64);

326

(mc->cred, pubkeyfile, seckeyfile, GNUTLS_OPENPGP_FMT_BASE64);

360

327

if (ret != GNUTLS_E_SUCCESS) {

361

328

fprintf(stderr,

362

329

"Error[%d] while reading the OpenPGP key pair ('%s',"

363

" '%s')\n", ret, pubkeyfilename, seckeyfilename);

330

" '%s')\n", ret, pubkeyfile, seckeyfile);

364

331

fprintf(stdout, "The GnuTLS error is: %s\n",

365

332

safer_gnutls_strerror(ret));

366

goto globalfail;

333

return -1;

367

334

}

368

335

369

336

/* GnuTLS server initialization */

371

338

if (ret != GNUTLS_E_SUCCESS) {

372

339

fprintf (stderr, "Error in GnuTLS DH parameter initialization:"

373

340

" %s\n", safer_gnutls_strerror(ret));

374

goto globalfail;

341

return -1;

375

342

}

376

343

ret = gnutls_dh_params_generate2(mc->dh_params, mc->dh_bits);

377

344

if (ret != GNUTLS_E_SUCCESS) {

378

345

fprintf (stderr, "Error in GnuTLS prime generation: %s\n",

379

346

safer_gnutls_strerror(ret));

380

goto globalfail;

347

return -1;

381

348

}

382

349

383

350

gnutls_certificate_set_dh_params(mc->cred, mc->dh_params);

384

351

385

352

return 0;

386

387

globalfail:

388

389

gnutls_certificate_free_credentials(mc->cred);

390

gnutls_global_deinit();

391

return -1;

392

393

353

}

394

354

395

static int init_gnutls_session(mandos_context *mc,

396

gnutls_session_t *session){

355

static int init_gnutls_session(mandos_context *mc, gnutls_session_t *session){

397

356

int ret;

398

357

/* GnuTLS session creation */

399

358

ret = gnutls_init(session, GNUTLS_SERVER);

409

368

fprintf(stderr, "Syntax error at: %s\n", err);

410

369

fprintf(stderr, "GnuTLS error: %s\n",

411

370

safer_gnutls_strerror(ret));

412

gnutls_deinit (*session);

413

371

return -1;

414

372

}

415

373

}

419

377

if (ret != GNUTLS_E_SUCCESS) {

420

378

fprintf(stderr, "Error setting GnuTLS credentials: %s\n",

421

379

safer_gnutls_strerror(ret));

422

gnutls_deinit (*session);

423

380

return -1;

424

381

}

425

382

441

398

AvahiIfIndex if_index,

442

399

mandos_context *mc){

443

400

int ret, tcp_sd;

444

union { struct sockaddr in; struct sockaddr_in6 in6; } to;

401

struct sockaddr_in6 to;

445

402

char *buffer = NULL;

446

403

char *decrypted_buffer;

447

404

size_t buffer_length = 0;

451

408

int retval = 0;

452

409

char interface[IF_NAMESIZE];

453

410

gnutls_session_t session;

411

gnutls_dh_params_t dh_params;

454

412

455

413

ret = init_gnutls_session (mc, &session);

456

414

if (ret != 0){

458

416

}

459

417

460

418

if(debug){

461

fprintf(stderr, "Setting up a tcp connection to %s, port %" PRIu16

462

"\n", ip, port);

419

fprintf(stderr, "Setting up a tcp connection to %s, port %d\n",

420

ip, port);

463

421

}

464

422

465

423

tcp_sd = socket(PF_INET6, SOCK_STREAM, 0);

476

434

fprintf(stderr, "Binding to interface %s\n", interface);

477

435

}

478

436

479

memset(&to, 0, sizeof(to));

480

to.in6.sin6_family = AF_INET6;

437

memset(&to,0,sizeof(to)); /* Spurious warning */

438

to.sin6_family = AF_INET6;

481

439

/* It would be nice to have a way to detect if we were passed an

482

440

IPv4 address here. Now we assume an IPv6 address. */

483

ret = inet_pton(AF_INET6, ip, &to.in6.sin6_addr);

441

ret = inet_pton(AF_INET6, ip, &to.sin6_addr);

484

442

if (ret < 0 ){

485

443

perror("inet_pton");

486

444

return -1;

489

447

fprintf(stderr, "Bad address: %s\n", ip);

490

448

return -1;

491

449

}

492

to.in6.sin6_port = htons(port); /* Spurious warning */

450

to.sin6_port = htons(port); /* Spurious warning */

493

451

494

to.in6.sin6_scope_id = (uint32_t)if_index;

452

to.sin6_scope_id = (uint32_t)if_index;

495

453

496

454

if(debug){

497

fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,

498

port);

455

fprintf(stderr, "Connection to: %s, port %d\n", ip, port);

499

456

char addrstr[INET6_ADDRSTRLEN] = "";

500

if(inet_ntop(to.in6.sin6_family, &(to.in6.sin6_addr), addrstr,

457

if(inet_ntop(to.sin6_family, &(to.sin6_addr), addrstr,

501

458

sizeof(addrstr)) == NULL){

502

459

perror("inet_ntop");

503

460

} else {

507

464

}

508

465

}

509

466

510

ret = connect(tcp_sd, &to.in, sizeof(to));

467

ret = connect(tcp_sd, (struct sockaddr *) &to, sizeof(to));

511

468

if (ret < 0){

512

469

perror("connect");

513

470

return -1;

542

499

}

543

500

544

501

gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) tcp_sd);

545

546

do{

547

ret = gnutls_handshake (session);

548

} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);

502

503

ret = gnutls_handshake (session);

549

504

550

505

if (ret != GNUTLS_E_SUCCESS){

551

506

if(debug){

564

519

}

565

520

566

521

while(true){

567

buffer_capacity = adjustbuffer(&buffer, buffer_length,

568

buffer_capacity);

522

buffer_capacity = adjustbuffer(&buffer, buffer_length, buffer_capacity);

569

523

if (buffer_capacity == 0){

570

524

perror("adjustbuffer");

571

525

retval = -1;

583

537

case GNUTLS_E_AGAIN:

584

538

break;

585

539

case GNUTLS_E_REHANDSHAKE:

586

do{

587

ret = gnutls_handshake (session);

588

} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);

540

ret = gnutls_handshake (session);

589

541

if (ret < 0){

590

542

fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");

591

543

gnutls_perror (ret);

644

596

free(buffer);

645

597

close(tcp_sd);

646

598

gnutls_deinit (session);

599

gnutls_certificate_free_credentials (mc->cred);

600

gnutls_global_deinit ();

647

601

return retval;

648

602

}

649

603

662

616

flags,

663

617

void* userdata) {

664

618

mandos_context *mc = userdata;

665

assert(r);

619

assert(r); /* Spurious warning */

666

620

667

621

/* Called whenever a service has been resolved successfully or

668

622

timed out */

680

634

char ip[AVAHI_ADDRESS_STR_MAX];

681

635

avahi_address_snprint(ip, sizeof(ip), address);

682

636

if(debug){

683

fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"

684

PRIu16 ") on port %d\n", name, host_name, ip,

685

interface, port);

637

fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %d) on"

638

" port %d\n", name, host_name, ip, interface, port);

686

639

}

687

640

int ret = start_mandos_communication(ip, port, interface, mc);

688

641

if (ret == 0){

689

avahi_simple_poll_quit(mc->simple_poll);

642

exit(EXIT_SUCCESS);

690

643

}

691

644

}

692

645

}

704

657

flags,

705

658

void* userdata) {

706

659

mandos_context *mc = userdata;

707

assert(b);

660

assert(b); /* Spurious warning */

708

661

709

662

/* Called whenever a new services becomes available on the LAN or

710

663

is removed from the LAN */

746

699

747

700

/* Combines file name and path and returns the malloced new

748

701

string. some sane checks could/should be added */

749

static char *combinepath(const char *first, const char *second){

750

char *tmp;

751

int ret = asprintf(&tmp, "%s/%s", first, second);

752

if(ret < 0){

702

static const char *combinepath(const char *first, const char *second){

703

size_t f_len = strlen(first);

704

size_t s_len = strlen(second);

705

char *tmp = malloc(f_len + s_len + 2);

706

if (tmp == NULL){

753

707

return NULL;

754

708

}

709

if(f_len > 0){

710

memcpy(tmp, first, f_len); /* Spurious warning */

711

}

712

tmp[f_len] = '/';

713

if(s_len > 0){

714

memcpy(tmp + f_len + 1, second, s_len); /* Spurious warning */

715

}

716

tmp[f_len + 1 + s_len] = '\0';

755

717

return tmp;

756

718

}

757

719

768

730

gid_t gid;

769

731

char *connect_to = NULL;

770

732

AvahiIfIndex if_index = AVAHI_IF_UNSPEC;

771

char *pubkeyfilename = NULL;

772

char *seckeyfilename = NULL;

773

const char *pubkeyname = "pubkey.txt";

774

const char *seckeyname = "seckey.txt";

733

const char *pubkeyfile = "pubkey.txt";

734

const char *seckeyfile = "seckey.txt";

775

735

mandos_context mc = { .simple_poll = NULL, .server = NULL,

776

736

.dh_bits = 1024, .priority = "SECURE256"};

777

bool gnutls_initalized = false;

778

737

779

738

{

780

739

struct argp_option options[] = {

782

741

.doc = "Debug mode", .group = 3 },

783

742

{ .name = "connect", .key = 'c',

784

743

.arg = "IP",

785

.doc = "Connect directly to a sepcified mandos server",

786

.group = 1 },

744

.doc = "Connect directly to a sepcified mandos server", .group = 1 },

787

745

{ .name = "interface", .key = 'i',

788

746

.arg = "INTERFACE",

789

.doc = "Interface that Avahi will conntect through",

790

.group = 1 },

747

.doc = "Interface that Avahi will conntect through", .group = 1 },

791

748

{ .name = "keydir", .key = 'd',

792

749

.arg = "KEYDIR",

793

.doc = "Directory where the openpgp keyring is",

794

.group = 1 },

750

.doc = "Directory where the openpgp keyring is", .group = 1 },

795

751

{ .name = "seckey", .key = 's',

796

752

.arg = "SECKEY",

797

.doc = "Secret openpgp key for gnutls authentication",

798

.group = 1 },

753

.doc = "Secret openpgp key for gnutls authentication", .group = 1 },

799

754

{ .name = "pubkey", .key = 'p',

800

755

.arg = "PUBKEY",

801

.doc = "Public openpgp key for gnutls authentication",

802

.group = 2 },

756

.doc = "Public openpgp key for gnutls authentication", .group = 2 },

803

757

{ .name = "dh-bits", .key = 129,

804

758

.arg = "BITS",

805

.doc = "dh-bits to use in gnutls communication",

806

.group = 2 },

759

.doc = "dh-bits to use in gnutls communication", .group = 2 },

807

760

{ .name = "priority", .key = 130,

808

761

.arg = "PRIORITY",

809

762

.doc = "GNUTLS priority", .group = 1 },

811

764

};

812

765

813

766

814

error_t parse_opt (int key, char *arg,

815

struct argp_state *state) {

816

/* Get the INPUT argument from `argp_parse', which we know is

817

a pointer to our plugin list pointer. */

767

error_t parse_opt (int key, char *arg, struct argp_state *state) {

768

/* Get the INPUT argument from `argp_parse', which we know is a

769

pointer to our plugin list pointer. */

818

770

switch (key) {

819

771

case 128:

820

772

debug = true;

829

781

keydir = arg;

830

782

break;

831

783

case 's':

832

seckeyname = arg;

784

seckeyfile = arg;

833

785

break;

834

786

case 'p':

835

pubkeyname = arg;

787

pubkeyfile = arg;

836

788

break;

837

789

case 129:

838

790

errno = 0;

847

799

break;

848

800

case ARGP_KEY_ARG:

849

801

argp_usage (state);

850

case ARGP_KEY_END:

851

802

break;

803

case ARGP_KEY_END:

804

break;

852

805

default:

853

806

return ARGP_ERR_UNKNOWN;

854

807

}

857

810

858

811

struct argp argp = { .options = options, .parser = parse_opt,

859

812

.args_doc = "",

860

.doc = "Mandos client -- Get and decrypt"

861

" passwords from mandos server" };

862

ret = argp_parse (&argp, argc, argv, 0, 0, NULL);

863

if (ret == ARGP_ERR_UNKNOWN){

864

fprintf(stderr, "Unknown error while parsing arguments\n");

865

exitcode = EXIT_FAILURE;

866

goto end;

867

}

813

.doc = "Mandos client -- Get and decrypt passwords from mandos server" };

814

argp_parse (&argp, argc, argv, 0, 0, NULL);

868

815

}

869

816

870

pubkeyfilename = combinepath(keydir, pubkeyname);

871

if (pubkeyfilename == NULL){

817

pubkeyfile = combinepath(keydir, pubkeyfile);

818

if (pubkeyfile == NULL){

872

819

perror("combinepath");

873

820

exitcode = EXIT_FAILURE;

874

821

goto end;

875

822

}

876

823

877

seckeyfilename = combinepath(keydir, seckeyname);

878

if (seckeyfilename == NULL){

824

seckeyfile = combinepath(keydir, seckeyfile);

825

if (seckeyfile == NULL){

879

826

perror("combinepath");

880

exitcode = EXIT_FAILURE;

881

827

goto end;

882

828

}

883

829

884

ret = init_gnutls_global(&mc, pubkeyfilename, seckeyfilename);

830

ret = init_gnutls_global(&mc, pubkeyfile, seckeyfile);

885

831

if (ret == -1){

886

fprintf(stderr, "init_gnutls_global failed\n");

887

exitcode = EXIT_FAILURE;

832

fprintf(stderr, "init_gnutls_global\n");

888

833

goto end;

889

} else {

890

gnutls_initalized = true;

891

}

892

893

/* If the interface is down, bring it up */

894

{

895

sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

896

if(sd < 0) {

897

perror("socket");

898

exitcode = EXIT_FAILURE;

899

goto end;

900

}

901

strcpy(network.ifr_name, interface);

902

ret = ioctl(sd, SIOCGIFFLAGS, &network);

903

if(ret == -1){

904

perror("ioctl SIOCGIFFLAGS");

905

exitcode = EXIT_FAILURE;

906

goto end;

907

}

908

if((network.ifr_flags & IFF_UP) == 0){

909

network.ifr_flags |= IFF_UP;

910

ret = ioctl(sd, SIOCSIFFLAGS, &network);

911

if(ret == -1){

912

perror("ioctl SIOCSIFFLAGS");

913

exitcode = EXIT_FAILURE;

914

goto end;

915

}

916

}

917

close(sd);

918

}

919

834

}

835

920

836

uid = getuid();

921

837

gid = getgid();

922

838

923

839

ret = setuid(uid);

924

840

if (ret == -1){

925

841

perror("setuid");

963

879

goto end;

964

880

}

965

881

882

/* If the interface is down, bring it up */

883

{

884

sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

885

if(sd < 0) {

886

perror("socket");

887

exitcode = EXIT_FAILURE;

888

goto end;

889

}

890

strcpy(network.ifr_name, interface); /* Spurious warning */

891

ret = ioctl(sd, SIOCGIFFLAGS, &network);

892

if(ret == -1){

893

perror("ioctl SIOCGIFFLAGS");

894

exitcode = EXIT_FAILURE;

895

goto end;

896

}

897

if((network.ifr_flags & IFF_UP) == 0){

898

network.ifr_flags |= IFF_UP;

899

ret = ioctl(sd, SIOCSIFFLAGS, &network);

900

if(ret == -1){

901

perror("ioctl SIOCSIFFLAGS");

902

exitcode = EXIT_FAILURE;

903

goto end;

904

}

905

}

906

close(sd);

907

}

908

966

909

if (not debug){

967

910

avahi_set_log_function(empty_log);

968

911

}

1040

983

1041

984

if (mc.simple_poll != NULL)

1042

985

avahi_simple_poll_free(mc.simple_poll);

1043

free(pubkeyfilename);

1044

free(seckeyfilename);

1045

1046

if (gnutls_initalized){

1047

gnutls_certificate_free_credentials(mc.cred);

1048

gnutls_global_deinit ();

1049

}

986

free(pubkeyfile);

987

free(seckeyfile);

1050

988

1051

989

return exitcode;

1052

990

}