/mandos/trunk : revision 671

136

137

bool debug = false;

138

static const char mandos_protocol_version[] = "1";

139

const char * argp_program_version = "mandos-client " VERSION;

140

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

139

const char *argp_program_version = "mandos-client " VERSION;

140

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

141

static const char sys_class_net[] = "/sys/class/net";

142

char *connect_to = NULL;

143

const char *hookdir = HOOKDIR;

183

perror(print_text);

184

}

185

186

__attribute__((format (gnu_printf, 2, 3), nonnull))

186

__attribute__((format (gnu_printf, 2, 3)))

187

int fprintf_plus(FILE *stream, const char *format, ...){

188

va_list ap;

189

va_start (ap, format);

198

* bytes. "buffer_capacity" is how much is currently allocated,

199

* "buffer_length" is how much is already used.

200

*/

201

__attribute__((nonnull, warn_unused_result))

202

201

size_t incbuffer(char **buffer, size_t buffer_length,

203

202

size_t buffer_capacity){

204

203

if(buffer_length + BUFFER_SIZE > buffer_capacity){

217

216

}

218

217

219

218

/* Add server to set of servers to retry periodically */

220

__attribute__((nonnull, warn_unused_result))

221

219

bool add_server(const char *ip, in_port_t port, AvahiIfIndex if_index,

222

220

int af, server **current_server){

223

221

int ret;

244

242

new_server->next = new_server;

245

243

new_server->prev = new_server;

246

244

*current_server = new_server;

245

/* Place the new server last in the list */

247

246

} else {

248

/* Place the new server last in the list */

249

247

new_server->next = *current_server;

250

248

new_server->prev = (*current_server)->prev;

251

249

new_server->prev->next = new_server;

257

255

/*

258

256

* Initialize GPGME.

259

257

*/

260

__attribute__((nonnull, warn_unused_result))

261

static bool init_gpgme(const char * const seckey,

262

const char * const pubkey,

263

const char * const tempdir,

264

mandos_context *mc){

258

static bool init_gpgme(const char *seckey, const char *pubkey,

259

const char *tempdir, mandos_context *mc){

265

260

gpgme_error_t rc;

266

261

gpgme_engine_info_t engine_info;

267

262

268

263

/*

269

264

* Helper function to insert pub and seckey to the engine keyring.

270

265

*/

271

bool import_key(const char * const filename){

266

bool import_key(const char *filename){

272

267

int ret;

273

268

int fd;

274

269

gpgme_data_t pgp_data;

355

350

* Decrypt OpenPGP data.

356

351

* Returns -1 on error

357

352

*/

358

__attribute__((nonnull, warn_unused_result))

359

353

static ssize_t pgp_packet_decrypt(const char *cryptotext,

360

354

size_t crypto_size,

361

355

char **plaintext,

481

475

return plaintext_length;

482

476

}

483

477

484

__attribute__((warn_unused_result))

485

static const char *safer_gnutls_strerror(int value){

478

static const char * safer_gnutls_strerror(int value){

486

479

const char *ret = gnutls_strerror(value);

487

480

if(ret == NULL)

488

481

ret = "(unknown)";

490

483

}

491

484

492

485

/* GnuTLS log function callback */

493

__attribute__((nonnull))

494

486

static void debuggnutls(__attribute__((unused)) int level,

495

487

const char* string){

496

488

fprintf_plus(stderr, "GnuTLS: %s", string);

497

489

}

498

490

499

__attribute__((nonnull, warn_unused_result))

500

491

static int init_gnutls_global(const char *pubkeyfilename,

501

492

const char *seckeyfilename,

502

493

mandos_context *mc){

576

567

return -1;

577

568

}

578

569

579

__attribute__((nonnull, warn_unused_result))

580

570

static int init_gnutls_session(gnutls_session_t *session,

581

571

mandos_context *mc){

582

572

int ret;

639

629

__attribute__((unused)) const char *txt){}

640

630

641

631

/* Called when a Mandos server is found */

642

__attribute__((nonnull, warn_unused_result))

643

632

static int start_mandos_communication(const char *ip, in_port_t port,

644

633

AvahiIfIndex if_index,

645

634

int af, mandos_context *mc){

751

740

goto mandos_end;

752

741

}

753

742

if(af == AF_INET6){

754

((struct sockaddr_in6 *)&to)->sin6_port = htons(port);

743

((struct sockaddr_in6 *)&to)->sin6_port = htons(port);

755

744

if(IN6_IS_ADDR_LINKLOCAL

756

745

(&((struct sockaddr_in6 *)&to)->sin6_addr)){

757

746

if(if_index == AVAHI_IF_UNSPEC){

1041

1030

return retval;

1042

1031

}

1043

1032

1044

__attribute__((nonnull))

1045

1033

static void resolve_callback(AvahiSServiceResolver *r,

1046

1034

AvahiIfIndex interface,

1047

1035

AvahiProtocol proto,

1055

1043

AVAHI_GCC_UNUSED AvahiStringList *txt,

1056

1044

AVAHI_GCC_UNUSED AvahiLookupResultFlags

1057

1045

flags,

1058

void *mc){

1046

void* mc){

1059

1047

if(r == NULL){

1060

1048

return;

1061

1049

}

1114

1102

const char *domain,

1115

1103

AVAHI_GCC_UNUSED AvahiLookupResultFlags

1116

1104

flags,

1117

void *mc){

1105

void* mc){

1118

1106

if(b == NULL){

1119

1107

return;

1120

1108

}

1180

1168

errno = old_errno;

1181

1169

}

1182

1170

1183

__attribute__((nonnull, warn_unused_result))

1184

1171

bool get_flags(const char *ifname, struct ifreq *ifr){

1185

1172

int ret;

1186

1173

error_t ret_errno;

1205

1192

return true;

1206

1193

}

1207

1194

1208

__attribute__((nonnull, warn_unused_result))

1209

1195

bool good_flags(const char *ifname, const struct ifreq *ifr){

1210

1196

1211

1197

/* Reject the loopback device */

1253

1239

* corresponds to an acceptable network device.

1254

1240

* (This function is passed to scandir(3) as a filter function.)

1255

1241

*/

1256

__attribute__((nonnull, warn_unused_result))

1257

1242

int good_interface(const struct dirent *if_entry){

1258

1243

if(if_entry->d_name[0] == '.'){

1259

1244

return 0;

1277

1262

/*

1278

1263

* This function determines if a network interface is up.

1279

1264

*/

1280

__attribute__((nonnull, warn_unused_result))

1281

1265

bool interface_is_up(const char *interface){

1282

1266

struct ifreq ifr;

1283

1267

if(not get_flags(interface, &ifr)){

1294

1278

/*

1295

1279

* This function determines if a network interface is running

1296

1280

*/

1297

__attribute__((nonnull, warn_unused_result))

1298

1281

bool interface_is_running(const char *interface){

1299

1282

struct ifreq ifr;

1300

1283

if(not get_flags(interface, &ifr)){

1308

1291

return (bool)(ifr.ifr_flags & IFF_RUNNING);

1309

1292

}

1310

1293

1311

__attribute__((nonnull, pure, warn_unused_result))

1312

1294

int notdotentries(const struct dirent *direntry){

1313

1295

/* Skip "." and ".." */

1314

1296

if(direntry->d_name[0] == '.'

1321

1303

}

1322

1304

1323

1305

/* Is this directory entry a runnable program? */

1324

__attribute__((nonnull, warn_unused_result))

1325

1306

int runnable_hook(const struct dirent *direntry){

1326

1307

int ret;

1327

1308

size_t sret;

1382

1363

return 1;

1383

1364

}

1384

1365

1385

__attribute__((nonnull, warn_unused_result))

1386

1366

int avahi_loop_with_timeout(AvahiSimplePoll *s, int retry_interval,

1387

1367

mandos_context *mc){

1388

1368

int ret;

1457

1437

}

1458

1438

1459

1439

/* Set effective uid to 0, return errno */

1460

__attribute__((warn_unused_result))

1461

1440

error_t raise_privileges(void){

1462

1441

error_t old_errno = errno;

1463

1442

error_t ret_errno = 0;

1470

1449

}

1471

1450

1472

1451

/* Set effective and real user ID to 0. Return errno. */

1473

__attribute__((warn_unused_result))

1474

1452

error_t raise_privileges_permanently(void){

1475

1453

error_t old_errno = errno;

1476

1454

error_t ret_errno = raise_privileges();

1487

1465

}

1488

1466

1489

1467

/* Set effective user ID to unprivileged saved user ID */

1490

__attribute__((warn_unused_result))

1491

1468

error_t lower_privileges(void){

1492

1469

error_t old_errno = errno;

1493

1470

error_t ret_errno = 0;

1500

1477

}

1501

1478

1502

1479

/* Lower privileges permanently */

1503

__attribute__((warn_unused_result))

1504

1480

error_t lower_privileges_permanently(void){

1505

1481

error_t old_errno = errno;

1506

1482

error_t ret_errno = 0;

1512

1488

return ret_errno;

1513

1489

}

1514

1490

1515

__attribute__((nonnull))

1516

void run_network_hooks(const char *mode, const char *interface,

1491

bool run_network_hooks(const char *mode, const char *interface,

1517

1492

const float delay){

1518

1493

struct dirent **direntries;

1519

1494

int numhooks = scandir(hookdir, &direntries, runnable_hook,

1547

1522

if(hook_pid == 0){

1548

1523

/* Child */

1549

1524

/* Raise privileges */

1550

if(raise_privileges_permanently() != 0){

1551

perror_plus("Failed to raise privileges");

1552

_exit(EX_NOPERM);

1553

}

1525

raise_privileges_permanently();

1554

1526

/* Set group */

1555

1527

errno = 0;

1556

1528

ret = setgid(0);

1557

1529

if(ret == -1){

1558

1530

perror_plus("setgid");

1559

_exit(EX_NOPERM);

1560

1531

}

1561

1532

/* Reset supplementary groups */

1562

1533

errno = 0;

1563

1534

ret = setgroups(0, NULL);

1564

1535

if(ret == -1){

1565

1536

perror_plus("setgroups");

1566

_exit(EX_NOPERM);

1567

}

1568

ret = dup2(devnull, STDIN_FILENO);

1569

if(ret == -1){

1570

perror_plus("dup2(devnull, STDIN_FILENO)");

1571

_exit(EX_OSERR);

1572

}

1573

ret = close(devnull);

1574

if(ret == -1){

1575

perror_plus("close");

1576

_exit(EX_OSERR);

1577

}

1578

ret = dup2(STDERR_FILENO, STDOUT_FILENO);

1579

if(ret == -1){

1580

perror_plus("dup2(STDERR_FILENO, STDOUT_FILENO)");

1581

_exit(EX_OSERR);

1582

}

1537

}

1538

dup2(devnull, STDIN_FILENO);

1539

close(devnull);

1540

dup2(STDERR_FILENO, STDOUT_FILENO);

1583

1541

ret = setenv("MANDOSNETHOOKDIR", hookdir, 1);

1584

1542

if(ret == -1){

1585

1543

perror_plus("setenv");

1601

1559

_exit(EX_OSERR);

1602

1560

}

1603

1561

char *delaystring;

1604

ret = asprintf(&delaystring, "%f", (double)delay);

1562

ret = asprintf(&delaystring, "%f", delay);

1605

1563

if(ret == -1){

1606

1564

perror_plus("asprintf");

1607

1565

_exit(EX_OSERR);

1660

1618

}

1661

1619

close(devnull);

1662

1620

}

1621

return true;

1663

1622

}

1664

1623

1665

__attribute__((nonnull, warn_unused_result))

1666

1624

error_t bring_up_interface(const char *const interface,

1667

1625

const float delay){

1626

int sd = -1;

1668

1627

error_t old_errno = errno;

1669

int ret;

1628

error_t ret_errno = 0;

1629

int ret, ret_setflags;

1670

1630

struct ifreq network;

1671

1631

unsigned int if_index = if_nametoindex(interface);

1672

1632

if(if_index == 0){

1681

1641

}

1682

1642

1683

1643

if(not interface_is_up(interface)){

1684

error_t ret_errno = 0, ioctl_errno = 0;

1685

if(not get_flags(interface, &network)){

1644

if(not get_flags(interface, &network) and debug){

1686

1645

ret_errno = errno;

1687

1646

fprintf_plus(stderr, "Failed to get flags for interface "

1688

1647

"\"%s\"\n", interface);

1689

errno = old_errno;

1690

1648

return ret_errno;

1691

1649

}

1692

network.ifr_flags |= IFF_UP; /* set flag */

1650

network.ifr_flags |= IFF_UP;

1693

1651

1694

int sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

1695

if(sd == -1){

1652

sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

1653

if(sd < 0){

1696

1654

ret_errno = errno;

1697

1655

perror_plus("socket");

1698

1656

errno = old_errno;

1699

1657

return ret_errno;

1700

1658

}

1701

1659

1702

1660

if(quit_now){

1703

ret = (int)TEMP_FAILURE_RETRY(close(sd));

1704

if(ret == -1){

1705

perror_plus("close");

1706

}

1661

close(sd);

1707

1662

errno = old_errno;

1708

1663

return EINTR;

1709

1664

}

1713

1668

interface);

1714

1669

}

1715

1670

1716

/* Raise privileges */

1717

ret_errno = raise_privileges();

1718

bool restore_loglevel = false;

1719

if(ret_errno != 0){

1720

perror_plus("Failed to raise privileges");

1721

}

1671

/* Raise priviliges */

1672

raise_privileges();

1673

1722

1674

#ifdef __linux__

1723

int ret_linux;

1724

if(ret_errno == 0){

1725

/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO

1726

messages about the network interface to mess up the prompt */

1727

ret_linux = klogctl(8, NULL, 5);

1728

if(ret_linux == -1){

1729

perror_plus("klogctl");

1730

} else {

1731

restore_loglevel = true;

1732

}

1675

/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO

1676

messages about the network interface to mess up the prompt */

1677

int ret_linux = klogctl(8, NULL, 5);

1678

bool restore_loglevel = true;

1679

if(ret_linux == -1){

1680

restore_loglevel = false;

1681

perror_plus("klogctl");

1733

1682

}

1734

1683

#endif /* __linux__ */

1735

int ret_setflags = ioctl(sd, SIOCSIFFLAGS, &network);

1736

ioctl_errno = errno;

1684

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

1685

ret_errno = errno;

1737

1686

#ifdef __linux__

1738

1687

if(restore_loglevel){

1739

1688

ret_linux = klogctl(7, NULL, 0);

1743

1692

}

1744

1693

#endif /* __linux__ */

1745

1694

1746

/* If raise_privileges() succeeded above */

1747

if(ret_errno == 0){

1748

/* Lower privileges */

1749

ret_errno = lower_privileges();

1750

if(ret_errno != 0){

1751

errno = ret_errno;

1752

perror_plus("Failed to lower privileges");

1753

}

1754

}

1695

/* Lower privileges */

1696

lower_privileges();

1755

1697

1756

1698

/* Close the socket */

1757

1699

ret = (int)TEMP_FAILURE_RETRY(close(sd));

1760

1702

}

1761

1703

1762

1704

if(ret_setflags == -1){

1763

errno = ioctl_errno;

1705

errno = ret_errno;

1764

1706

perror_plus("ioctl SIOCSIFFLAGS +IFF_UP");

1765

1707

errno = old_errno;

1766

return ioctl_errno;

1708

return ret_errno;

1767

1709

}

1768

1710

} else if(debug){

1769

1711

fprintf_plus(stderr, "Interface \"%s\" is already up; good\n",

1787

1729

return 0;

1788

1730

}

1789

1731

1790

__attribute__((nonnull, warn_unused_result))

1791

1732

error_t take_down_interface(const char *const interface){

1792

1733

error_t old_errno = errno;

1793

1734

struct ifreq network;

1798

1739

return ENXIO;

1799

1740

}

1800

1741

if(interface_is_up(interface)){

1801

error_t ret_errno = 0, ioctl_errno = 0;

1742

error_t ret_errno = 0;

1802

1743

if(not get_flags(interface, &network) and debug){

1803

1744

ret_errno = errno;

1804

1745

fprintf_plus(stderr, "Failed to get flags for interface "

1805

1746

"\"%s\"\n", interface);

1806

errno = old_errno;

1807

1747

return ret_errno;

1808

1748

}

1809

1749

network.ifr_flags &= ~(short)IFF_UP; /* clear flag */

1810

1750

1811

1751

int sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

1812

if(sd == -1){

1752

if(sd < 0){

1813

1753

ret_errno = errno;

1814

1754

perror_plus("socket");

1815

1755

errno = old_errno;

1821

1761

interface);

1822

1762

}

1823

1763

1824

/* Raise privileges */

1825

ret_errno = raise_privileges();

1826

if(ret_errno != 0){

1827

perror_plus("Failed to raise privileges");

1828

}

1764

/* Raise priviliges */

1765

raise_privileges();

1766

1829

1767

int ret_setflags = ioctl(sd, SIOCSIFFLAGS, &network);

1830

ioctl_errno = errno;

1768

ret_errno = errno;

1831

1769

1832

/* If raise_privileges() succeeded above */

1833

if(ret_errno == 0){

1834

/* Lower privileges */

1835

ret_errno = lower_privileges();

1836

if(ret_errno != 0){

1837

errno = ret_errno;

1838

perror_plus("Failed to lower privileges");

1839

}

1840

}

1770

/* Lower privileges */

1771

lower_privileges();

1841

1772

1842

1773

/* Close the socket */

1843

1774

int ret = (int)TEMP_FAILURE_RETRY(close(sd));

1846

1777

}

1847

1778

1848

1779

if(ret_setflags == -1){

1849

errno = ioctl_errno;

1780

errno = ret_errno;

1850

1781

perror_plus("ioctl SIOCSIFFLAGS -IFF_UP");

1851

1782

errno = old_errno;

1852

return ioctl_errno;

1783

return ret_errno;

1853

1784

}

1854

1785

} else if(debug){

1855

1786

fprintf_plus(stderr, "Interface \"%s\" is already down; odd\n",

1863

1794

int main(int argc, char *argv[]){

1864

1795

mandos_context mc = { .server = NULL, .dh_bits = 1024,

1865

1796

.priority = "SECURE256:!CTYPE-X.509:"

1866

"+CTYPE-OPENPGP", .current_server = NULL,

1797

"+CTYPE-OPENPGP", .current_server = NULL,

1867

1798

.interfaces = NULL, .interfaces_size = 0 };

1868

1799

AvahiSServiceBrowser *sb = NULL;

1869

1800

error_t ret_errno;

1873

1804

int exitcode = EXIT_SUCCESS;

1874

1805

char *interfaces_to_take_down = NULL;

1875

1806

size_t interfaces_to_take_down_size = 0;

1876

char run_tempdir[] = "/run/tmp/mandosXXXXXX";

1877

char old_tempdir[] = "/tmp/mandosXXXXXX";

1878

char *tempdir = NULL;

1807

char tempdir[] = "/tmp/mandosXXXXXX";

1808

bool tempdir_created = false;

1879

1809

AvahiIfIndex if_index = AVAHI_IF_UNSPEC;

1880

1810

const char *seckey = PATHDIR "/" SECKEY;

1881

1811

const char *pubkey = PATHDIR "/" PUBKEY;

2063

1993

/* Work around Debian bug #633582:

2064

1994

<http://bugs.debian.org/633582> */

2065

1995

2066

/* Re-raise privileges */

2067

ret_errno = raise_privileges();

2068

if(ret_errno != 0){

2069

errno = ret_errno;

2070

perror_plus("Failed to raise privileges");

2071

} else {

1996

/* Re-raise priviliges */

1997

if(raise_privileges() == 0){

2072

1998

struct stat st;

2073

1999

2074

2000

if(strcmp(seckey, PATHDIR "/" SECKEY) == 0){

2114

2040

}

2115

2041

2116

2042

/* Lower privileges */

2117

ret_errno = lower_privileges();

2118

if(ret_errno != 0){

2119

errno = ret_errno;

2120

perror_plus("Failed to lower privileges");

2121

}

2043

lower_privileges();

2122

2044

}

2123

2045

}

2124

2046

2150

2072

memcpy(interfaces_hooks, mc.interfaces, mc.interfaces_size);

2151

2073

argz_stringify(interfaces_hooks, mc.interfaces_size, (int)',');

2152

2074

}

2153

run_network_hooks("start", interfaces_hooks != NULL ?

2154

interfaces_hooks : "", delay);

2075

if(not run_network_hooks("start", interfaces_hooks != NULL ?

2076

interfaces_hooks : "", delay)){

2077

goto end;

2078

}

2155

2079

}

2156

2080

2157

2081

if(not debug){

2285

2209

break;

2286

2210

}

2287

2211

bool interface_was_up = interface_is_up(interface);

2288

errno = bring_up_interface(interface, delay);

2212

ret = bring_up_interface(interface, delay);

2289

2213

if(not interface_was_up){

2290

if(errno != 0){

2214

if(ret != 0){

2215

errno = ret;

2291

2216

perror_plus("Failed to bring up interface");

2292

2217

} else {

2293

errno = argz_add(&interfaces_to_take_down,

2294

&interfaces_to_take_down_size,

2295

interface);

2296

if(errno != 0){

2218

ret_errno = argz_add(&interfaces_to_take_down,

2219

&interfaces_to_take_down_size,

2220

interface);

2221

if(ret_errno != 0){

2222

errno = ret_errno;

2297

2223

perror_plus("argz_add");

2298

2224

}

2299

2225

}

2330

2256

goto end;

2331

2257

}

2332

2258

2333

/* Try /run/tmp before /tmp */

2334

tempdir = mkdtemp(run_tempdir);

2335

if(tempdir == NULL and errno == ENOENT){

2336

if(debug){

2337

fprintf_plus(stderr, "Tempdir %s did not work, trying %s\n",

2338

run_tempdir, old_tempdir);

2339

}

2340

tempdir = mkdtemp(old_tempdir);

2341

}

2342

if(tempdir == NULL){

2259

if(mkdtemp(tempdir) == NULL){

2343

2260

perror_plus("mkdtemp");

2344

2261

goto end;

2345

2262

}

2263

tempdir_created = true;

2346

2264

2347

2265

if(quit_now){

2348

2266

goto end;

2531

2449

}

2532

2450

}

2533

2451

2534

/* Re-raise privileges */

2452

/* Re-raise priviliges */

2535

2453

{

2536

ret_errno = raise_privileges();

2537

if(ret_errno != 0){

2538

perror_plus("Failed to raise privileges");

2539

} else {

2540

2541

/* Run network hooks */

2542

run_network_hooks("stop", interfaces_hooks != NULL ?

2543

interfaces_hooks : "", delay);

2544

2545

/* Take down the network interfaces which were brought up */

2546

{

2547

char *interface = NULL;

2548

while((interface=argz_next(interfaces_to_take_down,

2549

interfaces_to_take_down_size,

2550

interface))){

2551

ret_errno = take_down_interface(interface);

2552

if(ret_errno != 0){

2553

errno = ret_errno;

2554

perror_plus("Failed to take down interface");

2555

}

2556

}

2557

if(debug and (interfaces_to_take_down == NULL)){

2558

fprintf_plus(stderr, "No interfaces needed to be taken"

2559

" down\n");

2560

}

2561

}

2562

}

2563

ret_errno = lower_privileges_permanently();

2564

if(ret_errno != 0){

2565

perror_plus("Failed to lower privileges permanently");

2566

}

2454

raise_privileges();

2455

2456

/* Run network hooks */

2457

run_network_hooks("stop", interfaces_hooks != NULL ?

2458

interfaces_hooks : "", delay);

2459

2460

/* Take down the network interfaces which were brought up */

2461

{

2462

char *interface = NULL;

2463

while((interface=argz_next(interfaces_to_take_down,

2464

interfaces_to_take_down_size,

2465

interface))){

2466

ret_errno = take_down_interface(interface);

2467

if(ret_errno != 0){

2468

errno = ret_errno;

2469

perror_plus("Failed to take down interface");

2470

}

2471

}

2472

if(debug and (interfaces_to_take_down == NULL)){

2473

fprintf_plus(stderr, "No interfaces needed to be taken"

2474

" down\n");

2475

}

2476

}

2477

2478

lower_privileges_permanently();

2567

2479

}

2568

2480

2569

2481

free(interfaces_to_take_down);

2570

2482

free(interfaces_hooks);

2571

2483

2572

2484

/* Removes the GPGME temp directory and all files inside */

2573

if(tempdir != NULL){

2485

if(tempdir_created){

2574

2486

struct dirent **direntries = NULL;

2575

2487

struct dirent *direntry = NULL;

2576

2488

int numentries = scandir(tempdir, &direntries, notdotentries,