netpgp.c revision 1.43
1/*- 2 * Copyright (c) 2009 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Alistair Crooks (agc@NetBSD.org) 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29#include "config.h" 30 31#ifdef HAVE_SYS_CDEFS_H 32#include <sys/cdefs.h> 33#endif 34 35#if defined(__NetBSD__) 36__COPYRIGHT("@(#) Copyright (c) 2009 The NetBSD Foundation, Inc. All rights reserved."); 37__RCSID("$NetBSD: netpgp.c,v 1.43 2010/03/13 23:30:41 agc Exp $"); 38#endif 39 40#include <sys/types.h> 41#include <sys/stat.h> 42#include <sys/param.h> 43#include <sys/mman.h> 44 45#ifdef HAVE_SYS_RESOURCE_H 46#include <sys/resource.h> 47#endif 48 49#ifdef HAVE_FCNTL_H 50#include <fcntl.h> 51#endif 52 53#include <errno.h> 54#include <regex.h> 55#include <stdarg.h> 56#include <stdlib.h> 57#include <string.h> 58#include <time.h> 59 60#ifdef HAVE_UNISTD_H 61#include <unistd.h> 62#endif 63 64#include <errno.h> 65 66#ifdef HAVE_LIMITS_H 67#include <limits.h> 68#endif 69 70#include <netpgp.h> 71 72#include "packet.h" 73#include "packet-parse.h" 74#include "keyring.h" 75#include "errors.h" 76#include "packet-show.h" 77#include "create.h" 78#include "netpgpsdk.h" 79#include "memory.h" 80#include "validate.h" 81#include "readerwriter.h" 82#include "netpgpdefs.h" 83#include "crypto.h" 84#include "ops-ssh.h" 85#include "defs.h" 86 87/* read any gpg config file */ 88static int 89conffile(netpgp_t *netpgp, char *homedir, char *userid, size_t length) 90{ 91 regmatch_t matchv[10]; 92 regex_t keyre; 93 char buf[BUFSIZ]; 94 FILE *fp; 95 96 __OPS_USED(netpgp); 97 (void) snprintf(buf, sizeof(buf), "%s/gpg.conf", homedir); 98 if ((fp = fopen(buf, "r")) == NULL) { 99 return 0; 100 } 101 (void) memset(&keyre, 0x0, sizeof(keyre)); 102 (void) regcomp(&keyre, "^[ \t]*default-key[ \t]+([0-9a-zA-F]+)", 103 REG_EXTENDED); 104 while (fgets(buf, sizeof(buf), fp) != NULL) { 105 if (regexec(&keyre, buf, 10, matchv, 0) == 0) { 106 (void) memcpy(userid, &buf[(int)matchv[1].rm_so], 107 MIN((unsigned)(matchv[1].rm_eo - 108 matchv[1].rm_so), length)); 109 if (netpgp->passfp == NULL) { 110 (void) fprintf(stderr, 111 "netpgp: default key set to \"%.*s\"\n", 112 (int)(matchv[1].rm_eo - matchv[1].rm_so), 113 &buf[(int)matchv[1].rm_so]); 114 } 115 } 116 } 117 (void) fclose(fp); 118 return 1; 119} 120 121/* small function to pretty print an 8-character raw userid */ 122static char * 123userid_to_id(const uint8_t *userid, char *id) 124{ 125 static const char *hexes = "0123456789abcdef"; 126 int i; 127 128 for (i = 0; i < 8 ; i++) { 129 id[i * 2] = hexes[(unsigned)(userid[i] & 0xf0) >> 4]; 130 id[(i * 2) + 1] = hexes[userid[i] & 0xf]; 131 } 132 id[8 * 2] = 0x0; 133 return id; 134} 135 136/* print out the successful signature information */ 137static void 138resultp(__ops_io_t *io, 139 const char *f, 140 __ops_validation_t *res, 141 __ops_keyring_t *ring) 142{ 143 const __ops_key_t *pubkey; 144 unsigned from; 145 unsigned i; 146 time_t t; 147 char id[MAX_ID_LENGTH + 1]; 148 149 for (i = 0; i < res->validc; i++) { 150 (void) fprintf(io->res, 151 "Good signature for %s made %s", 152 (f) ? f : "<stdin>", 153 ctime(&res->valid_sigs[i].birthtime)); 154 if (res->duration > 0) { 155 t = res->birthtime + res->duration; 156 (void) fprintf(io->res, "Valid until %s", ctime(&t)); 157 } 158 (void) fprintf(io->res, 159 "using %s key %s\n", 160 __ops_show_pka(res->valid_sigs[i].key_alg), 161 userid_to_id(res->valid_sigs[i].signer_id, id)); 162 from = 0; 163 pubkey = __ops_getkeybyid(io, ring, 164 (const uint8_t *) res->valid_sigs[i].signer_id, 165 &from); 166 __ops_print_keydata(io, ring, pubkey, "pub", &pubkey->key.pubkey, 0); 167 } 168} 169 170/* check there's enough space in the arrays */ 171static int 172size_arrays(netpgp_t *netpgp, unsigned needed) 173{ 174 char **temp; 175 176 if (netpgp->size == 0) { 177 /* only get here first time around */ 178 netpgp->size = needed; 179 if ((netpgp->name = calloc(sizeof(char *), needed)) == NULL) { 180 (void) fprintf(stderr, "size_arrays: bad alloc\n"); 181 return 0; 182 } 183 if ((netpgp->value = calloc(sizeof(char *), needed)) == NULL) { 184 free(netpgp->name); 185 (void) fprintf(stderr, "size_arrays: bad alloc\n"); 186 return 0; 187 } 188 } else if (netpgp->c == netpgp->size) { 189 /* only uses 'needed' when filled array */ 190 netpgp->size += needed; 191 temp = realloc(netpgp->name, sizeof(char *) * needed); 192 if (temp == NULL) { 193 (void) fprintf(stderr, "size_arrays: bad alloc\n"); 194 return 0; 195 } 196 netpgp->name = temp; 197 temp = realloc(netpgp->value, sizeof(char *) * needed); 198 if (temp == NULL) { 199 (void) fprintf(stderr, "size_arrays: bad alloc\n"); 200 return 0; 201 } 202 netpgp->value = temp; 203 } 204 return 1; 205} 206 207/* find the name in the array */ 208static int 209findvar(netpgp_t *netpgp, const char *name) 210{ 211 unsigned i; 212 213 for (i = 0 ; i < netpgp->c && strcmp(netpgp->name[i], name) != 0; i++) { 214 } 215 return (i == netpgp->c) ? -1 : (int)i; 216} 217 218/* read a keyring and return it */ 219static void * 220readkeyring(netpgp_t *netpgp, const char *name) 221{ 222 __ops_keyring_t *keyring; 223 const unsigned noarmor = 0; 224 char f[MAXPATHLEN]; 225 char *filename; 226 char *homedir; 227 228 homedir = netpgp_getvar(netpgp, "homedir"); 229 if ((filename = netpgp_getvar(netpgp, name)) == NULL) { 230 (void) snprintf(f, sizeof(f), "%s/%s.gpg", homedir, name); 231 filename = f; 232 } 233 if ((keyring = calloc(1, sizeof(*keyring))) == NULL) { 234 (void) fprintf(stderr, "readkeyring: bad alloc\n"); 235 return NULL; 236 } 237 if (!__ops_keyring_fileread(keyring, noarmor, filename)) { 238 free(keyring); 239 (void) fprintf(stderr, "Can't read %s %s\n", name, filename); 240 return NULL; 241 } 242 netpgp_setvar(netpgp, name, filename); 243 return keyring; 244} 245 246/* read keys from ssh key files */ 247static int 248readsshkeys(netpgp_t *netpgp, char *homedir) 249{ 250 __ops_keyring_t *pubring; 251 __ops_keyring_t *secring; 252 char f[MAXPATHLEN]; 253 char *filename; 254 255 if ((filename = netpgp_getvar(netpgp, "sshkeyfile")) == NULL) { 256 (void) snprintf(f, sizeof(f), "%s/.ssh/is_rsa.pub", homedir); 257 filename = f; 258 } 259 if ((pubring = calloc(1, sizeof(*pubring))) == NULL) { 260 (void) fprintf(stderr, "readsshkeys: bad alloc\n"); 261 return 0; 262 } 263 if (!__ops_ssh2_readkeys(netpgp->io, pubring, NULL, filename, NULL)) { 264 free(pubring); 265 (void) fprintf(stderr, "readsshkeys: can't read %s\n", 266 filename); 267 return 0; 268 } 269 if (netpgp->pubring == NULL) { 270 netpgp->pubring = pubring; 271 } else { 272 __ops_append_keyring(netpgp->pubring, pubring); 273 } 274 netpgp_setvar(netpgp, "sshpubfile", filename); 275 /* try to take the ".pub" off the end */ 276 if (filename == f) { 277 f[strlen(f) - 4] = 0x0; 278 } else { 279 (void) snprintf(f, sizeof(f), "%.*s", 280 (int)strlen(filename) - 4, filename); 281 filename = f; 282 } 283 if ((secring = calloc(1, sizeof(*secring))) == NULL) { 284 (void) fprintf(stderr, "readsshkeys: bad alloc\n"); 285 return 0; 286 } 287 if (__ops_ssh2_readkeys(netpgp->io, pubring, secring, NULL, filename)) { 288 netpgp->secring = secring; 289 netpgp_setvar(netpgp, "sshsecfile", filename); 290 } else { 291 (void) fprintf(stderr, "readsshkeys: can't read sec %s (%d)\n", 292 filename, errno); 293 } 294 return 1; 295} 296 297/* set ssh uid to first one in ring */ 298static void 299set_ssh_userid(__ops_keyring_t *pubring, char *id, size_t len, int last) 300{ 301 uint8_t *src; 302 int i; 303 int n; 304 305 (void) memset(id, 0x0, len); 306 src = pubring->keys[(last) ? pubring->keyc - 1 : 0].key_id; 307 for (i = 0, n = 0 ; i < OPS_KEY_ID_SIZE ; i += 2) { 308 n += snprintf(&id[n], len - n, "%02x%02x", src[i], src[i + 1]); 309 } 310 id[n] = 0x0; 311} 312 313/* find the time - in a specific %Y-%m-%d format - using a regexp */ 314static int 315grabdate(char *s, int64_t *t) 316{ 317 static regex_t r; 318 static int compiled; 319 regmatch_t matches[10]; 320 struct tm tm; 321 322 if (!compiled) { 323 compiled = 1; 324 (void) regcomp(&r, "([0-9][0-9][0-9][0-9])[-/]([0-9][0-9])[-/]([0-9][0-9])", REG_EXTENDED); 325 } 326 if (regexec(&r, s, 10, matches, 0) == 0) { 327 (void) memset(&tm, 0x0, sizeof(tm)); 328 tm.tm_year = (int)strtol(&s[(int)matches[1].rm_so], NULL, 10); 329 tm.tm_mon = (int)strtol(&s[(int)matches[2].rm_so], NULL, 10) - 1; 330 tm.tm_mday = (int)strtol(&s[(int)matches[3].rm_so], NULL, 10); 331 *t = mktime(&tm); 332 return 1; 333 } 334 return 0; 335} 336 337/* get expiration in seconds */ 338static uint64_t 339get_duration(char *s) 340{ 341 uint64_t now; 342 int64_t t; 343 char *mult; 344 345 if (s == NULL) { 346 return 0; 347 } 348 now = strtoull(s, NULL, 10); 349 if ((mult = strchr("hdwmy", s[strlen(s) - 1])) != NULL) { 350 switch(*mult) { 351 case 'h': 352 return now * 60 * 60; 353 case 'd': 354 return now * 60 * 60 * 24; 355 case 'w': 356 return now * 60 * 60 * 24 * 7; 357 case 'm': 358 return now * 60 * 60 * 24 * 31; 359 case 'y': 360 return now * 60 * 60 * 24 * 365; 361 } 362 } 363 if (grabdate(s, &t)) { 364 return t; 365 } 366 return (uint64_t)strtoll(s, NULL, 10); 367} 368 369/* get birthtime in seconds */ 370static int64_t 371get_birthtime(char *s) 372{ 373 int64_t t; 374 375 if (s == NULL) { 376 return time(NULL); 377 } 378 if (grabdate(s, &t)) { 379 return t; 380 } 381 return (uint64_t)strtoll(s, NULL, 10); 382} 383 384/***************************************************************************/ 385/* exported functions start here */ 386/***************************************************************************/ 387 388/* initialise a netpgp_t structure */ 389int 390netpgp_init(netpgp_t *netpgp) 391{ 392 __ops_io_t *io; 393 char id[MAX_ID_LENGTH]; 394 char *homedir; 395 char *userid; 396 char *stream; 397 char *passfd; 398 char *results; 399 int coredumps; 400 int last; 401 402#ifdef HAVE_SYS_RESOURCE_H 403 struct rlimit limit; 404 405 coredumps = netpgp_getvar(netpgp, "coredumps") != NULL; 406 if (!coredumps) { 407 (void) memset(&limit, 0x0, sizeof(limit)); 408 if (setrlimit(RLIMIT_CORE, &limit) != 0) { 409 (void) fprintf(stderr, 410 "netpgp: warning - can't turn off core dumps\n"); 411 coredumps = 1; 412 } 413 } 414#else 415 coredumps = 1; 416#endif 417 if ((io = calloc(1, sizeof(*io))) == NULL) { 418 (void) fprintf(stderr, "netpgp_init: bad alloc\n"); 419 return 0; 420 } 421 io->outs = stdout; 422 if ((stream = netpgp_getvar(netpgp, "stdout")) != NULL && 423 strcmp(stream, "stderr") == 0) { 424 io->outs = stderr; 425 } 426 io->errs = stderr; 427 if ((stream = netpgp_getvar(netpgp, "stderr")) != NULL && 428 strcmp(stream, "stdout") == 0) { 429 io->errs = stdout; 430 } 431 if ((results = netpgp_getvar(netpgp, "results")) == NULL) { 432 io->res = io->errs; 433 } else if ((io->res = fopen(results, "w")) == NULL) { 434 (void) fprintf(io->errs, "Can't open results %s for writing\n", 435 results); 436 free(io); 437 return 0; 438 } 439 netpgp->io = io; 440 if ((passfd = netpgp_getvar(netpgp, "pass-fd")) != NULL && 441 (netpgp->passfp = fdopen(atoi(passfd), "r")) == NULL) { 442 (void) fprintf(io->errs, "Can't open fd %s for reading\n", 443 passfd); 444 return 0; 445 } 446 if (coredumps) { 447 (void) fprintf(io->errs, 448 "netpgp: warning: core dumps enabled\n"); 449 } 450 if ((homedir = netpgp_getvar(netpgp, "homedir")) == NULL) { 451 (void) fprintf(io->errs, "netpgp: bad homedir\n"); 452 return 0; 453 } 454 /* read from either gpg files or ssh keys */ 455 if (netpgp_getvar(netpgp, "ssh keys") == NULL) { 456 if ((userid = netpgp_getvar(netpgp, "userid")) == NULL) { 457 (void) memset(id, 0x0, sizeof(id)); 458 (void) conffile(netpgp, homedir, id, sizeof(id)); 459 if (id[0] != 0x0) { 460 netpgp_setvar(netpgp, "userid", userid = id); 461 } 462 } 463 if (userid == NULL) { 464 if (netpgp_getvar(netpgp, "need userid") != NULL) { 465 (void) fprintf(io->errs, 466 "Cannot find user id\n"); 467 return 0; 468 } 469 } else { 470 (void) netpgp_setvar(netpgp, "userid", userid); 471 } 472 netpgp->pubring = readkeyring(netpgp, "pubring"); 473 if (netpgp->pubring == NULL) { 474 (void) fprintf(io->errs, "Can't read pub keyring\n"); 475 return 0; 476 } 477 netpgp->secring = readkeyring(netpgp, "secring"); 478 if (netpgp->secring == NULL) { 479 (void) fprintf(io->errs, "Can't read sec keyring\n"); 480 return 0; 481 } 482 } else { 483 last = (netpgp->pubring != NULL); 484 if (!readsshkeys(netpgp, homedir)) { 485 (void) fprintf(io->errs, "Can't read ssh pub key\n"); 486 return 0; 487 } 488 if ((userid = netpgp_getvar(netpgp, "userid")) == NULL) { 489 set_ssh_userid(netpgp->pubring, id, sizeof(id), last); 490 netpgp_setvar(netpgp, "userid", userid = id); 491 } 492 if (userid == NULL) { 493 if (netpgp_getvar(netpgp, "need userid") != NULL) { 494 (void) fprintf(io->errs, 495 "Cannot find user id\n"); 496 return 0; 497 } 498 } else { 499 (void) netpgp_setvar(netpgp, "userid", userid); 500 } 501 } 502 return 1; 503} 504 505/* finish off with the netpgp_t struct */ 506int 507netpgp_end(netpgp_t *netpgp) 508{ 509 unsigned i; 510 511 for (i = 0 ; i < netpgp->c ; i++) { 512 if (netpgp->name[i] != NULL) { 513 free(netpgp->name[i]); 514 } 515 if (netpgp->value[i] != NULL) { 516 free(netpgp->value[i]); 517 } 518 } 519 if (netpgp->name != NULL) { 520 free(netpgp->name); 521 } 522 if (netpgp->value != NULL) { 523 free(netpgp->value); 524 } 525 if (netpgp->pubring != NULL) { 526 __ops_keyring_free(netpgp->pubring); 527 } 528 if (netpgp->secring != NULL) { 529 __ops_keyring_free(netpgp->secring); 530 } 531 free(netpgp->io); 532 return 1; 533} 534 535/* list the keys in a keyring */ 536int 537netpgp_list_keys(netpgp_t *netpgp, const int psigs) 538{ 539 return __ops_keyring_list(netpgp->io, netpgp->pubring, psigs); 540} 541 542DEFINE_ARRAY(strings_t, char *); 543 544#ifndef HKP_VERSION 545#define HKP_VERSION 1 546#endif 547 548/* find and list some keys in a keyring */ 549int 550netpgp_match_keys(netpgp_t *netpgp, char *name, const char *fmt, void *vp, const int psigs) 551{ 552 const __ops_key_t *key; 553 unsigned k; 554 strings_t pubs; 555 FILE *fp = (FILE *)vp; 556 557 if (name[0] == '0' && name[1] == 'x') { 558 name += 2; 559 } 560 (void) memset(&pubs, 0x0, sizeof(pubs)); 561 k = 0; 562 do { 563 key = __ops_getnextkeybyname(netpgp->io, netpgp->pubring, 564 name, &k); 565 if (key != NULL) { 566 ALLOC(char *, pubs.v, pubs.size, pubs.c, 10, 10, 567 "netpgp_match_keys", return 0); 568 if (strcmp(fmt, "mr") == 0) { 569 __ops_hkp_sprint_keydata( 570 key, &pubs.v[pubs.c], 571 &key->key.pubkey); 572 } else { 573 __ops_sprint_keydata(netpgp->io, netpgp->pubring, 574 key, &pubs.v[pubs.c], 575 "pub", 576 &key->key.pubkey, psigs); 577 } 578 pubs.c += 1; 579 k += 1; 580 } 581 } while (key != NULL); 582 if (strcmp(fmt, "mr") == 0) { 583 (void) fprintf(fp, "info:%d:%d\n", HKP_VERSION, pubs.c); 584 } else { 585 (void) fprintf(fp, "%d key%s found\n", pubs.c, 586 (pubs.c == 1) ? "" : "s"); 587 } 588 for (k = 0 ; k < pubs.c ; k++) { 589 (void) fprintf(fp, "%s", pubs.v[k]); 590 free(pubs.v[k]); 591 } 592 free(pubs.v); 593 return pubs.c; 594} 595 596/* find and list some public keys in a keyring */ 597int 598netpgp_match_pubkeys(netpgp_t *netpgp, char *name, void *vp) 599{ 600 const __ops_key_t *key; 601 unsigned k; 602 strings_t pubs; 603 FILE *fp = (FILE *)vp; 604 605 (void) memset(&pubs, 0x0, sizeof(pubs)); 606 do { 607 key = __ops_getnextkeybyname(netpgp->io, netpgp->pubring, 608 name, &k); 609 if (key != NULL) { 610 char out[1024 * 64]; 611 612 ALLOC(char *, pubs.v, pubs.size, pubs.c, 10, 10, 613 "netpgp_match_pubkeys", return 0); 614 (void) __ops_sprint_pubkey(key, out, sizeof(out)); 615 pubs.v[pubs.c++] = netpgp_strdup(out); 616 k += 1; 617 } 618 } while (key != NULL); 619 (void) fprintf(fp, "info:%d:%d\n", HKP_VERSION, pubs.c); 620 for (k = 0 ; k < pubs.c ; k++) { 621 (void) fprintf(fp, "%s", pubs.v[k]); 622 free(pubs.v[k]); 623 } 624 free(pubs.v); 625 return pubs.c; 626} 627 628/* find a key in a keyring */ 629int 630netpgp_find_key(netpgp_t *netpgp, char *id) 631{ 632 __ops_io_t *io; 633 634 io = netpgp->io; 635 if (id == NULL) { 636 (void) fprintf(io->errs, "NULL id to search for\n"); 637 return 0; 638 } 639 return __ops_getkeybyname(netpgp->io, netpgp->pubring, id) != NULL; 640} 641 642/* get a key in a keyring */ 643char * 644netpgp_get_key(netpgp_t *netpgp, const char *name, const char *fmt) 645{ 646 const __ops_key_t *key; 647 __ops_io_t *io; 648 char *newkey; 649 650 io = netpgp->io; 651 if (name == NULL) { 652 name = netpgp_getvar(netpgp, "userid"); 653 } else if (name[0] == '0' && name[1] == 'x') { 654 name += 2; 655 } 656 key = __ops_getkeybyname(netpgp->io, netpgp->pubring, name); 657 if (key == NULL) { 658 (void) fprintf(io->errs, "Can't find key '%s'\n", name); 659 return NULL; 660 } 661 if (strcmp(fmt, "mr") == 0) { 662 return (__ops_hkp_sprint_keydata(key, &newkey, 663 &key->key.pubkey) > 0) ? newkey : NULL; 664 } 665 return (__ops_sprint_keydata(netpgp->io, netpgp->pubring, 666 key, &newkey, "pub", 667 &key->key.pubkey, 0) > 0) ? newkey : NULL; 668} 669 670/* export a given key */ 671char * 672netpgp_export_key(netpgp_t *netpgp, char *name) 673{ 674 const __ops_key_t *key; 675 __ops_io_t *io; 676 677 io = netpgp->io; 678 if (name == NULL) { 679 name = netpgp_getvar(netpgp, "userid"); 680 } else if (name[0] == '0' && name[1] == 'x') { 681 name += 2; 682 } 683 key = __ops_getkeybyname(io, netpgp->pubring, name); 684 if (key == NULL) { 685 (void) fprintf(io->errs, 686 "Cannot find own key \"%s\" in keyring\n", name); 687 return 0; 688 } 689 return __ops_export_key(io, key, NULL); 690} 691 692/* import a key into our keyring */ 693int 694netpgp_import_key(netpgp_t *netpgp, char *f) 695{ 696 const unsigned noarmor = 0; 697 const unsigned armor = 1; 698 __ops_io_t *io; 699 int done; 700 701 io = netpgp->io; 702 if ((done = __ops_keyring_fileread(netpgp->pubring, noarmor, f)) == 0) { 703 done = __ops_keyring_fileread(netpgp->pubring, armor, f); 704 } 705 if (!done) { 706 (void) fprintf(io->errs, "Cannot import key from file %s\n", 707 f); 708 return 0; 709 } 710 return __ops_keyring_list(io, netpgp->pubring, 0); 711} 712 713/* generate a new key */ 714int 715netpgp_generate_key(netpgp_t *netpgp, char *id, int numbits) 716{ 717 __ops_key_t *keypair; 718 __ops_userid_t uid; 719 __ops_output_t *create; 720 const unsigned noarmor = 0; 721 __ops_io_t *io; 722 char *ringfile; 723 int fd; 724 725 (void) memset(&uid, 0x0, sizeof(uid)); 726 io = netpgp->io; 727 /* generate a new key for 'id' */ 728 uid.userid = (uint8_t *) id; 729 keypair = __ops_rsa_new_selfsign_key(numbits, 65537UL, &uid); 730 if (keypair == NULL) { 731 (void) fprintf(io->errs, "Cannot generate key\n"); 732 return 0; 733 } 734 /* write public key, and try to re-read it */ 735 ringfile = netpgp_getvar(netpgp, "pubring"); 736 fd = __ops_setup_file_append(&create, ringfile); 737 if (!__ops_write_xfer_pubkey(create, keypair, noarmor)) { 738 (void) fprintf(io->errs, "Cannot write pubkey\n"); 739 return 0; 740 } 741 __ops_teardown_file_write(create, fd); 742 __ops_keyring_free(netpgp->pubring); 743 if (!__ops_keyring_fileread(netpgp->pubring, noarmor, ringfile)) { 744 (void) fprintf(io->errs, "Cannot read pubring %s\n", ringfile); 745 return 0; 746 } 747 /* write secret key, and try to re-read it */ 748 ringfile = netpgp_getvar(netpgp, "sec ring file"); 749 fd = __ops_setup_file_append(&create, ringfile); 750 if (!__ops_write_xfer_seckey(create, keypair, NULL, 0, noarmor)) { 751 (void) fprintf(io->errs, "Cannot write seckey\n"); 752 return 0; 753 } 754 __ops_teardown_file_write(create, fd); 755 __ops_keyring_free(netpgp->secring); 756 if (!__ops_keyring_fileread(netpgp->secring, noarmor, ringfile)) { 757 (void) fprintf(io->errs, "Can't read secring %s\n", ringfile); 758 return 0; 759 } 760 __ops_keydata_free(keypair); 761 return 1; 762} 763 764/* encrypt a file */ 765int 766netpgp_encrypt_file(netpgp_t *netpgp, 767 const char *userid, 768 const char *f, 769 char *out, 770 int armored) 771{ 772 const __ops_key_t *keypair; 773 const unsigned overwrite = 1; 774 const char *suffix; 775 __ops_io_t *io; 776 char outname[MAXPATHLEN]; 777 778 io = netpgp->io; 779 if (f == NULL) { 780 (void) fprintf(io->errs, 781 "netpgp_encrypt_file: no filename specified\n"); 782 return 0; 783 } 784 if (userid == NULL) { 785 userid = netpgp_getvar(netpgp, "userid"); 786 } 787 suffix = (armored) ? ".asc" : ".gpg"; 788 keypair = __ops_getkeybyname(io, netpgp->pubring, userid); 789 if (keypair == NULL) { 790 (void) fprintf(io->errs, "Userid '%s' not found in keyring\n", 791 userid); 792 return 0; 793 } 794 if (out == NULL) { 795 (void) snprintf(outname, sizeof(outname), "%s%s", f, suffix); 796 out = outname; 797 } 798 return (int)__ops_encrypt_file(io, f, out, keypair, (unsigned)armored, 799 overwrite); 800} 801 802#define ARMOR_HEAD "-----BEGIN PGP MESSAGE-----\r\n" 803 804/* decrypt a file */ 805int 806netpgp_decrypt_file(netpgp_t *netpgp, const char *f, char *out, int armored) 807{ 808 const unsigned overwrite = 1; 809 __ops_io_t *io; 810 unsigned realarmour; 811 FILE *fp; 812 char buf[BUFSIZ]; 813 814 io = netpgp->io; 815 if (f == NULL) { 816 (void) fprintf(io->errs, 817 "netpgp_decrypt_file: no filename specified\n"); 818 return 0; 819 } 820 realarmour = (unsigned)armored; 821 if ((fp = fopen(f, "r")) == NULL) { 822 (void) fprintf(io->errs, 823 "netpgp_decrypt_file: can't open '%s'\n", f); 824 return 0; 825 } 826 if (fgets(buf, sizeof(buf), fp) == NULL) { 827 realarmour = 0; 828 } else { 829 realarmour = (strcmp(buf, ARMOR_HEAD) == 0); 830 } 831 (void) fclose(fp); 832 return __ops_decrypt_file(netpgp->io, f, out, netpgp->secring, 833 netpgp->pubring, 834 (unsigned)realarmour, overwrite, 835 netpgp->passfp, get_passphrase_cb); 836} 837 838/* sign a file */ 839int 840netpgp_sign_file(netpgp_t *netpgp, 841 const char *userid, 842 const char *f, 843 char *out, 844 int armored, 845 int cleartext, 846 int detached) 847{ 848 const __ops_key_t *keypair; 849 const __ops_key_t *pubkey; 850 __ops_seckey_t *seckey; 851 const unsigned overwrite = 1; 852 __ops_io_t *io; 853 char *hashalg; 854 int ret; 855 856 io = netpgp->io; 857 if (f == NULL) { 858 (void) fprintf(io->errs, 859 "netpgp_sign_file: no filename specified\n"); 860 return 0; 861 } 862 if (userid == NULL) { 863 userid = netpgp_getvar(netpgp, "userid"); 864 } 865 /* get key with which to sign */ 866 keypair = __ops_getkeybyname(io, netpgp->secring, userid); 867 if (keypair == NULL) { 868 (void) fprintf(io->errs, "Userid '%s' not found in secring\n", 869 userid); 870 return 0; 871 } 872 ret = 1; 873 do { 874 if (netpgp->passfp == NULL) { 875 /* print out the user id */ 876 pubkey = __ops_getkeybyname(io, netpgp->pubring, userid); 877 if (pubkey == NULL) { 878 (void) fprintf(io->errs, 879 "netpgp: warning - using pubkey from secring\n"); 880 __ops_print_keydata(io, netpgp->pubring, keypair, "pub", 881 &keypair->key.seckey.pubkey, 0); 882 } else { 883 __ops_print_keydata(io, netpgp->pubring, pubkey, "pub", &pubkey->key.pubkey, 0); 884 } 885 } 886 if (netpgp_getvar(netpgp, "ssh keys") == NULL) { 887 /* now decrypt key */ 888 seckey = __ops_decrypt_seckey(keypair, netpgp->passfp); 889 if (seckey == NULL) { 890 (void) fprintf(io->errs, "Bad passphrase\n"); 891 } 892 } else { 893 __ops_keyring_t *secring; 894 895 secring = netpgp->secring; 896 seckey = &secring->keys[0].key.seckey; 897 } 898 } while (seckey == NULL); 899 /* sign file */ 900 hashalg = netpgp_getvar(netpgp, "hash"); 901 if (detached) { 902 ret = __ops_sign_detached(io, f, out, seckey, hashalg, 903 get_birthtime(netpgp_getvar(netpgp, "birthtime")), 904 get_duration(netpgp_getvar(netpgp, "duration"))); 905 } else { 906 ret = __ops_sign_file(io, f, out, seckey, hashalg, 907 get_birthtime(netpgp_getvar(netpgp, "birthtime")), 908 get_duration(netpgp_getvar(netpgp, "duration")), 909 (unsigned)armored, (unsigned)cleartext, 910 overwrite); 911 } 912 __ops_forget(seckey, sizeof(*seckey)); 913 return ret; 914} 915 916/* verify a file */ 917int 918netpgp_verify_file(netpgp_t *netpgp, const char *in, const char *out, int armored) 919{ 920 __ops_validation_t result; 921 __ops_io_t *io; 922 923 (void) memset(&result, 0x0, sizeof(result)); 924 io = netpgp->io; 925 if (in == NULL) { 926 (void) fprintf(io->errs, 927 "netpgp_verify_file: no filename specified\n"); 928 return 0; 929 } 930 if (__ops_validate_file(io, &result, in, out, armored, 931 netpgp->pubring)) { 932 resultp(io, in, &result, netpgp->pubring); 933 return 1; 934 } 935 if (result.validc + result.invalidc + result.unknownc == 0) { 936 (void) fprintf(io->errs, 937 "\"%s\": No signatures found - is this a signed file?\n", 938 in); 939 } else if (result.invalidc == 0 && result.unknownc == 0) { 940 (void) fprintf(io->errs, 941 "\"%s\": file verification failure: invalid signature time\n", in); 942 } else { 943 (void) fprintf(io->errs, 944"\"%s\": verification failure: %u invalid signatures, %u unknown signatures\n", 945 in, result.invalidc, result.unknownc); 946 } 947 return 0; 948} 949 950/* sign some memory */ 951int 952netpgp_sign_memory(netpgp_t *netpgp, 953 const char *userid, 954 char *mem, 955 size_t size, 956 char *out, 957 size_t outsize, 958 const unsigned armored, 959 const unsigned cleartext) 960{ 961 const __ops_key_t *keypair; 962 const __ops_key_t *pubkey; 963 __ops_seckey_t *seckey; 964 __ops_memory_t *signedmem; 965 __ops_io_t *io; 966 char *hashalg; 967 int ret; 968 969 io = netpgp->io; 970 if (mem == NULL) { 971 (void) fprintf(io->errs, 972 "netpgp_sign_memory: no memory to sign\n"); 973 return 0; 974 } 975 if (userid == NULL) { 976 userid = netpgp_getvar(netpgp, "userid"); 977 } 978 /* get key with which to sign */ 979 keypair = __ops_getkeybyname(io, netpgp->secring, userid); 980 if (keypair == NULL) { 981 (void) fprintf(io->errs, "Userid '%s' not found in keyring\n", 982 userid); 983 return 0; 984 } 985 ret = 1; 986 do { 987 if (netpgp->passfp == NULL) { 988 /* print out the user id */ 989 pubkey = __ops_getkeybyname(io, netpgp->pubring, userid); 990 if (pubkey == NULL) { 991 (void) fprintf(io->errs, 992 "netpgp: warning - using pubkey from secring\n"); 993 __ops_print_keydata(io, netpgp->pubring, keypair, "pub", 994 &keypair->key.seckey.pubkey, 0); 995 } else { 996 __ops_print_keydata(io, netpgp->pubring, pubkey, "pub", &pubkey->key.pubkey, 0); 997 } 998 } 999 /* now decrypt key */ 1000 seckey = __ops_decrypt_seckey(keypair, netpgp->passfp); 1001 if (seckey == NULL) { 1002 (void) fprintf(io->errs, "Bad passphrase\n"); 1003 } 1004 } while (seckey == NULL); 1005 /* sign file */ 1006 (void) memset(out, 0x0, outsize); 1007 hashalg = netpgp_getvar(netpgp, "hash"); 1008 signedmem = __ops_sign_buf(io, mem, size, seckey, 1009 get_birthtime(netpgp_getvar(netpgp, "birthtime")), 1010 get_duration(netpgp_getvar(netpgp, "duration")), 1011 hashalg, armored, cleartext); 1012 if (signedmem) { 1013 size_t m; 1014 1015 m = MIN(__ops_mem_len(signedmem), outsize); 1016 (void) memcpy(out, __ops_mem_data(signedmem), m); 1017 __ops_memory_free(signedmem); 1018 ret = (int)m; 1019 } else { 1020 ret = 0; 1021 } 1022 __ops_forget(seckey, sizeof(*seckey)); 1023 return ret; 1024} 1025 1026/* verify memory */ 1027int 1028netpgp_verify_memory(netpgp_t *netpgp, const void *in, const size_t size, 1029 void *out, size_t outsize, const int armored) 1030{ 1031 __ops_validation_t result; 1032 __ops_memory_t *signedmem; 1033 __ops_memory_t *cat; 1034 __ops_io_t *io; 1035 size_t m; 1036 int ret; 1037 1038 (void) memset(&result, 0x0, sizeof(result)); 1039 io = netpgp->io; 1040 if (in == NULL) { 1041 (void) fprintf(io->errs, 1042 "netpgp_verify_memory: no memory to verify\n"); 1043 return 0; 1044 } 1045 signedmem = __ops_memory_new(); 1046 __ops_memory_add(signedmem, in, size); 1047 if (out) { 1048 cat = __ops_memory_new(); 1049 } 1050 ret = __ops_validate_mem(io, &result, signedmem, 1051 (out) ? &cat : NULL, 1052 armored, netpgp->pubring); 1053 __ops_memory_free(signedmem); 1054 if (ret) { 1055 resultp(io, "<stdin>", &result, netpgp->pubring); 1056 if (out) { 1057 m = MIN(__ops_mem_len(cat), outsize); 1058 (void) memcpy(out, __ops_mem_data(cat), m); 1059 __ops_memory_free(cat); 1060 } else { 1061 m = 1; 1062 } 1063 return (int)m; 1064 } 1065 if (result.validc + result.invalidc + result.unknownc == 0) { 1066 (void) fprintf(io->errs, 1067 "No signatures found - is this memory signed?\n"); 1068 } else if (result.invalidc == 0 && result.unknownc == 0) { 1069 (void) fprintf(io->errs, 1070 "memory verification failure: invalid signature time\n"); 1071 } else { 1072 (void) fprintf(io->errs, 1073"memory verification failure: %u invalid signatures, %u unknown signatures\n", 1074 result.invalidc, result.unknownc); 1075 } 1076 return 0; 1077} 1078 1079/* encrypt some memory */ 1080int 1081netpgp_encrypt_memory(netpgp_t *netpgp, 1082 const char *userid, 1083 void *in, 1084 const size_t insize, 1085 char *out, 1086 size_t outsize, 1087 int armored) 1088{ 1089 const __ops_key_t *keypair; 1090 __ops_memory_t *enc; 1091 __ops_io_t *io; 1092 size_t m; 1093 1094 io = netpgp->io; 1095 if (in == NULL) { 1096 (void) fprintf(io->errs, 1097 "netpgp_encrypt_buf: no memory to encrypt\n"); 1098 return 0; 1099 } 1100 if (userid == NULL) { 1101 userid = netpgp_getvar(netpgp, "userid"); 1102 } 1103 keypair = __ops_getkeybyname(io, netpgp->pubring, userid); 1104 if (keypair == NULL) { 1105 (void) fprintf(io->errs, "Userid '%s' not found in keyring\n", 1106 userid); 1107 return 0; 1108 } 1109 if (in == out) { 1110 (void) fprintf(io->errs, 1111 "netpgp_encrypt_buf: input and output bufs need to be different\n"); 1112 return 0; 1113 } 1114 if (outsize < insize) { 1115 (void) fprintf(io->errs, 1116 "netpgp_encrypt_buf: input size is larger than output size\n"); 1117 return 0; 1118 } 1119 enc = __ops_encrypt_buf(io, in, insize, keypair, (unsigned)armored); 1120 m = MIN(__ops_mem_len(enc), outsize); 1121 (void) memcpy(out, __ops_mem_data(enc), m); 1122 __ops_memory_free(enc); 1123 return (int)m; 1124} 1125 1126/* decrypt a chunk of memory */ 1127int 1128netpgp_decrypt_memory(netpgp_t *netpgp, const void *input, const size_t insize, 1129 char *out, size_t outsize, const int armored) 1130{ 1131 __ops_memory_t *mem; 1132 __ops_io_t *io; 1133 unsigned realarmour; 1134 size_t m; 1135 1136 io = netpgp->io; 1137 realarmour = (unsigned) armored; 1138 if (input == NULL) { 1139 (void) fprintf(io->errs, 1140 "netpgp_decrypt_memory: no memory\n"); 1141 return 0; 1142 } 1143 realarmour = (strncmp(input, ARMOR_HEAD, sizeof(ARMOR_HEAD) - 1) == 0); 1144 mem = __ops_decrypt_buf(netpgp->io, input, insize, netpgp->secring, 1145 netpgp->pubring, 1146 realarmour, netpgp->passfp, 1147 get_passphrase_cb); 1148 m = MIN(__ops_mem_len(mem), outsize); 1149 (void) memcpy(out, __ops_mem_data(mem), m); 1150 __ops_memory_free(mem); 1151 return (int)m; 1152} 1153 1154/* wrappers for the ops_debug_level functions we added to openpgpsdk */ 1155 1156/* set the debugging level per filename */ 1157int 1158netpgp_set_debug(const char *f) 1159{ 1160 return __ops_set_debug_level(f); 1161} 1162 1163/* get the debugging level per filename */ 1164int 1165netpgp_get_debug(const char *f) 1166{ 1167 return __ops_get_debug_level(f); 1168} 1169 1170/* return the version for the library */ 1171const char * 1172netpgp_get_info(const char *type) 1173{ 1174 return __ops_get_info(type); 1175} 1176 1177/* list all the packets in a file */ 1178int 1179netpgp_list_packets(netpgp_t *netpgp, char *f, int armour, char *pubringname) 1180{ 1181 __ops_keyring_t *keyring; 1182 const unsigned noarmor = 0; 1183 struct stat st; 1184 __ops_io_t *io; 1185 char ringname[MAXPATHLEN]; 1186 char *homedir; 1187 int ret; 1188 1189 io = netpgp->io; 1190 if (f == NULL) { 1191 (void) fprintf(io->errs, "No file containing packets\n"); 1192 return 0; 1193 } 1194 if (stat(f, &st) < 0) { 1195 (void) fprintf(io->errs, "No such file '%s'\n", f); 1196 return 0; 1197 } 1198 homedir = netpgp_getvar(netpgp, "homedir"); 1199 if (pubringname == NULL) { 1200 (void) snprintf(ringname, sizeof(ringname), 1201 "%s/pubring.gpg", homedir); 1202 pubringname = ringname; 1203 } 1204 if ((keyring = calloc(1, sizeof(*keyring))) == NULL) { 1205 (void) fprintf(io->errs, "netpgp_list_packets: bad alloc\n"); 1206 return 0; 1207 } 1208 if (!__ops_keyring_fileread(keyring, noarmor, pubringname)) { 1209 free(keyring); 1210 (void) fprintf(io->errs, "Cannot read pub keyring %s\n", 1211 pubringname); 1212 return 0; 1213 } 1214 netpgp->pubring = keyring; 1215 netpgp_setvar(netpgp, "pubring", pubringname); 1216 ret = __ops_list_packets(io, f, (unsigned)armour, 1217 netpgp->secring, 1218 netpgp->pubring, 1219 netpgp->passfp, 1220 get_passphrase_cb); 1221 free(keyring); 1222 return ret; 1223} 1224 1225/* set a variable */ 1226int 1227netpgp_setvar(netpgp_t *netpgp, const char *name, const char *value) 1228{ 1229 int i; 1230 1231 if ((i = findvar(netpgp, name)) < 0) { 1232 /* add the element to the array */ 1233 if (size_arrays(netpgp, netpgp->size + 15)) { 1234 netpgp->name[i = netpgp->c++] = netpgp_strdup(name); 1235 } 1236 } else { 1237 /* replace the element in the array */ 1238 if (netpgp->value[i]) { 1239 free(netpgp->value[i]); 1240 netpgp->value[i] = NULL; 1241 } 1242 } 1243 /* sanity checks for range of values */ 1244 if (strcmp(name, "hash") == 0 || strcmp(name, "algorithm") == 0) { 1245 if (__ops_str_to_hash_alg(value) == OPS_HASH_UNKNOWN) { 1246 return 0; 1247 } 1248 } 1249 netpgp->value[i] = netpgp_strdup(value); 1250 return 1; 1251} 1252 1253/* get a variable's value (NULL if not set) */ 1254char * 1255netpgp_getvar(netpgp_t *netpgp, const char *name) 1256{ 1257 int i; 1258 1259 return ((i = findvar(netpgp, name)) < 0) ? NULL : netpgp->value[i]; 1260} 1261 1262/* increment a value */ 1263int 1264netpgp_incvar(netpgp_t *netpgp, const char *name, const int delta) 1265{ 1266 char *cp; 1267 char num[16]; 1268 int val; 1269 1270 val = 0; 1271 if ((cp = netpgp_getvar(netpgp, name)) != NULL) { 1272 val = atoi(cp); 1273 } 1274 (void) snprintf(num, sizeof(num), "%d", val + delta); 1275 netpgp_setvar(netpgp, name, num); 1276 return 1; 1277} 1278 1279/* set the home directory value to "home/subdir" */ 1280int 1281netpgp_set_homedir(netpgp_t *netpgp, char *home, const char *subdir, const int quiet) 1282{ 1283 struct stat st; 1284 char d[MAXPATHLEN]; 1285 1286 if (home == NULL) { 1287 if (!quiet) { 1288 (void) fprintf(stderr, "NULL HOME directory\n"); 1289 } 1290 return 0; 1291 } 1292 (void) snprintf(d, sizeof(d), "%s%s", home, (subdir) ? subdir : ""); 1293 if (stat(d, &st) == 0) { 1294 if ((st.st_mode & S_IFMT) == S_IFDIR) { 1295 netpgp_setvar(netpgp, "homedir", d); 1296 return 1; 1297 } 1298 (void) fprintf(stderr, "netpgp: homedir \"%s\" is not a dir\n", 1299 d); 1300 return 0; 1301 } 1302 if (!quiet) { 1303 (void) fprintf(stderr, 1304 "netpgp: warning homedir \"%s\" not found\n", d); 1305 } 1306 return 1; 1307} 1308 1309/* validate all sigs in the pub keyring */ 1310int 1311netpgp_validate_sigs(netpgp_t *netpgp) 1312{ 1313 __ops_validation_t result; 1314 1315 return (int)__ops_validate_all_sigs(&result, netpgp->pubring, NULL); 1316} 1317 1318#if 0 1319#include "sshkey.h" 1320 1321int 1322netpgp_pgpkey_to_sshkey(netpgp_t *netpgp, char *name, SSHKey *sshkey) 1323{ 1324 const __ops_key_t *pgpkey; 1325 unsigned k; 1326 1327 k = 0; 1328 pgpkey = __ops_getnextkeybyname(netpgp->io, netpgp->pubring, name, &k); 1329 if (pgpkey == NULL) { 1330 pgpkey = __ops_getkeybyname(io, netpgp->pubring, userid); 1331 } 1332 if (pgpkey == NULL) { 1333 (void) fprintf(stderr, "No key matching '%s'\n", name); 1334 return 0; 1335 } 1336 switch(pgpkey->key.pubkey.alg) { 1337 case OPS_PKA_RSA: 1338 sshkey->type = KEY_RSA; 1339 sshkey->rsa = calloc(1, sizeof(*sshkey->rsa); 1340 if (sshkey->rsa == NULL) { 1341 (void) fprintf(stderr, "RSA memory problems\n"); 1342 return 0; 1343 } 1344 sshkey->rsa->n = pgpkey->key.pubkey.key.rsa.n; 1345 sshkey->rsa->e = pgpkey->key.pubkey.key.rsa.e; 1346 sshkey->rsa->d = pgpkey->key.seckey.key.rsa.d; 1347 sshkey->rsa->p = pgpkey->key.seckey.key.rsa.p; 1348 sshkey->rsa->q = pgpkey->key.seckey.key.rsa.q; 1349 sshkey->rsa->iqmp = pgpkey->key.seckey.key.rsa.u; 1350 break; 1351 case OPS_PKA_DSA: 1352 sshkey->type = KEY_DSA; 1353 sshkey->dsa = calloc(1, sizeof(*sshkey->dsa); 1354 if (sshkey->dsa == NULL) { 1355 (void) fprintf(stderr, "DSA memory problems\n"); 1356 return 0; 1357 } 1358 sshkey->rsa->n = pgpkey->key.pubkey.key.rsa.n; 1359 key->dsa->p = pgpkey->key.pubkey.key.dsa.p; 1360 key->dsa->q = pgpkey->key.pubkey.key.dsa.q; 1361 key->dsa->g = pgpkey->key.pubkey.key.dsa.g; 1362 key->dsa->pub_key = pgpkey->key.pubkey.key.dsa.y; 1363 key->dsa->priv_key = pgpkey->key.seckey.key.dsa.x; 1364 break; 1365 default: 1366 (void) fprintf(stderr, "weird type\n"); 1367 return 0; 1368 } 1369 return 1; 1370} 1371#endif 1372