1/* apps/cms.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5/* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
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 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 *    software must display the following acknowledgment:
22 *    "This product includes software developed by the OpenSSL Project
23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 *    endorse or promote products derived from this software without
27 *    prior written permission. For written permission, please contact
28 *    licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 *    nor may "OpenSSL" appear in their names without prior written
32 *    permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 */
53
54/* CMS utility function */
55
56#include <stdio.h>
57#include <string.h>
58#include "apps.h"
59
60#ifndef OPENSSL_NO_CMS
61
62#include <openssl/crypto.h>
63#include <openssl/pem.h>
64#include <openssl/err.h>
65#include <openssl/x509_vfy.h>
66#include <openssl/x509v3.h>
67#include <openssl/cms.h>
68
69#undef PROG
70#define PROG cms_main
71static int save_certs(char *signerfile, STACK_OF(X509) *signers);
72static int cms_cb(int ok, X509_STORE_CTX *ctx);
73static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
74static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
75						int rr_allorfirst,
76					STACK_OF(OPENSSL_STRING) *rr_from);
77
78#define SMIME_OP	0x10
79#define SMIME_IP	0x20
80#define SMIME_SIGNERS	0x40
81#define SMIME_ENCRYPT		(1 | SMIME_OP)
82#define SMIME_DECRYPT		(2 | SMIME_IP)
83#define SMIME_SIGN		(3 | SMIME_OP | SMIME_SIGNERS)
84#define SMIME_VERIFY		(4 | SMIME_IP)
85#define SMIME_CMSOUT		(5 | SMIME_IP | SMIME_OP)
86#define SMIME_RESIGN		(6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
87#define SMIME_DATAOUT		(7 | SMIME_IP)
88#define SMIME_DATA_CREATE	(8 | SMIME_OP)
89#define SMIME_DIGEST_VERIFY	(9 | SMIME_IP)
90#define SMIME_DIGEST_CREATE	(10 | SMIME_OP)
91#define SMIME_UNCOMPRESS	(11 | SMIME_IP)
92#define SMIME_COMPRESS		(12 | SMIME_OP)
93#define SMIME_ENCRYPTED_DECRYPT	(13 | SMIME_IP)
94#define SMIME_ENCRYPTED_ENCRYPT	(14 | SMIME_OP)
95#define SMIME_SIGN_RECEIPT	(15 | SMIME_IP | SMIME_OP)
96#define SMIME_VERIFY_RECEIPT	(16 | SMIME_IP)
97
98int verify_err = 0;
99
100int MAIN(int, char **);
101
102int MAIN(int argc, char **argv)
103	{
104	ENGINE *e = NULL;
105	int operation = 0;
106	int ret = 0;
107	char **args;
108	const char *inmode = "r", *outmode = "w";
109	char *infile = NULL, *outfile = NULL, *rctfile = NULL;
110	char *signerfile = NULL, *recipfile = NULL;
111	STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
112	char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
113	char *certsoutfile = NULL;
114	const EVP_CIPHER *cipher = NULL;
115	CMS_ContentInfo *cms = NULL, *rcms = NULL;
116	X509_STORE *store = NULL;
117	X509 *cert = NULL, *recip = NULL, *signer = NULL;
118	EVP_PKEY *key = NULL;
119	STACK_OF(X509) *encerts = NULL, *other = NULL;
120	BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
121	int badarg = 0;
122	int flags = CMS_DETACHED, noout = 0, print = 0;
123	int verify_retcode = 0;
124	int rr_print = 0, rr_allorfirst = -1;
125	STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
126	CMS_ReceiptRequest *rr = NULL;
127	char *to = NULL, *from = NULL, *subject = NULL;
128	char *CAfile = NULL, *CApath = NULL;
129	char *passargin = NULL, *passin = NULL;
130	char *inrand = NULL;
131	int need_rand = 0;
132	const EVP_MD *sign_md = NULL;
133	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
134        int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
135#ifndef OPENSSL_NO_ENGINE
136	char *engine=NULL;
137#endif
138	unsigned char *secret_key = NULL, *secret_keyid = NULL;
139	size_t secret_keylen = 0, secret_keyidlen = 0;
140
141	ASN1_OBJECT *econtent_type = NULL;
142
143	X509_VERIFY_PARAM *vpm = NULL;
144
145	args = argv + 1;
146	ret = 1;
147
148	apps_startup();
149
150	if (bio_err == NULL)
151		{
152		if ((bio_err = BIO_new(BIO_s_file())) != NULL)
153			BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
154		}
155
156	if (!load_config(bio_err, NULL))
157		goto end;
158
159	while (!badarg && *args && *args[0] == '-')
160		{
161		if (!strcmp (*args, "-encrypt"))
162			operation = SMIME_ENCRYPT;
163		else if (!strcmp (*args, "-decrypt"))
164			operation = SMIME_DECRYPT;
165		else if (!strcmp (*args, "-sign"))
166			operation = SMIME_SIGN;
167		else if (!strcmp (*args, "-sign_receipt"))
168			operation = SMIME_SIGN_RECEIPT;
169		else if (!strcmp (*args, "-resign"))
170			operation = SMIME_RESIGN;
171		else if (!strcmp (*args, "-verify"))
172			operation = SMIME_VERIFY;
173		else if (!strcmp (*args, "-verify_retcode"))
174			verify_retcode = 1;
175		else if (!strcmp(*args,"-verify_receipt"))
176			{
177			operation = SMIME_VERIFY_RECEIPT;
178			if (!args[1])
179				goto argerr;
180			args++;
181			rctfile = *args;
182			}
183		else if (!strcmp (*args, "-cmsout"))
184			operation = SMIME_CMSOUT;
185		else if (!strcmp (*args, "-data_out"))
186			operation = SMIME_DATAOUT;
187		else if (!strcmp (*args, "-data_create"))
188			operation = SMIME_DATA_CREATE;
189		else if (!strcmp (*args, "-digest_verify"))
190			operation = SMIME_DIGEST_VERIFY;
191		else if (!strcmp (*args, "-digest_create"))
192			operation = SMIME_DIGEST_CREATE;
193		else if (!strcmp (*args, "-compress"))
194			operation = SMIME_COMPRESS;
195		else if (!strcmp (*args, "-uncompress"))
196			operation = SMIME_UNCOMPRESS;
197		else if (!strcmp (*args, "-EncryptedData_decrypt"))
198			operation = SMIME_ENCRYPTED_DECRYPT;
199		else if (!strcmp (*args, "-EncryptedData_encrypt"))
200			operation = SMIME_ENCRYPTED_ENCRYPT;
201#ifndef OPENSSL_NO_DES
202		else if (!strcmp (*args, "-des3"))
203				cipher = EVP_des_ede3_cbc();
204		else if (!strcmp (*args, "-des"))
205				cipher = EVP_des_cbc();
206#endif
207#ifndef OPENSSL_NO_SEED
208		else if (!strcmp (*args, "-seed"))
209				cipher = EVP_seed_cbc();
210#endif
211#ifndef OPENSSL_NO_RC2
212		else if (!strcmp (*args, "-rc2-40"))
213				cipher = EVP_rc2_40_cbc();
214		else if (!strcmp (*args, "-rc2-128"))
215				cipher = EVP_rc2_cbc();
216		else if (!strcmp (*args, "-rc2-64"))
217				cipher = EVP_rc2_64_cbc();
218#endif
219#ifndef OPENSSL_NO_AES
220		else if (!strcmp(*args,"-aes128"))
221				cipher = EVP_aes_128_cbc();
222		else if (!strcmp(*args,"-aes192"))
223				cipher = EVP_aes_192_cbc();
224		else if (!strcmp(*args,"-aes256"))
225				cipher = EVP_aes_256_cbc();
226#endif
227#ifndef OPENSSL_NO_CAMELLIA
228		else if (!strcmp(*args,"-camellia128"))
229				cipher = EVP_camellia_128_cbc();
230		else if (!strcmp(*args,"-camellia192"))
231				cipher = EVP_camellia_192_cbc();
232		else if (!strcmp(*args,"-camellia256"))
233				cipher = EVP_camellia_256_cbc();
234#endif
235		else if (!strcmp (*args, "-text"))
236				flags |= CMS_TEXT;
237		else if (!strcmp (*args, "-nointern"))
238				flags |= CMS_NOINTERN;
239		else if (!strcmp (*args, "-noverify")
240			|| !strcmp (*args, "-no_signer_cert_verify"))
241				flags |= CMS_NO_SIGNER_CERT_VERIFY;
242		else if (!strcmp (*args, "-nocerts"))
243				flags |= CMS_NOCERTS;
244		else if (!strcmp (*args, "-noattr"))
245				flags |= CMS_NOATTR;
246		else if (!strcmp (*args, "-nodetach"))
247				flags &= ~CMS_DETACHED;
248		else if (!strcmp (*args, "-nosmimecap"))
249				flags |= CMS_NOSMIMECAP;
250		else if (!strcmp (*args, "-binary"))
251				flags |= CMS_BINARY;
252		else if (!strcmp (*args, "-keyid"))
253				flags |= CMS_USE_KEYID;
254		else if (!strcmp (*args, "-nosigs"))
255				flags |= CMS_NOSIGS;
256		else if (!strcmp (*args, "-no_content_verify"))
257				flags |= CMS_NO_CONTENT_VERIFY;
258		else if (!strcmp (*args, "-no_attr_verify"))
259				flags |= CMS_NO_ATTR_VERIFY;
260		else if (!strcmp (*args, "-stream"))
261				flags |= CMS_STREAM;
262		else if (!strcmp (*args, "-indef"))
263				flags |= CMS_STREAM;
264		else if (!strcmp (*args, "-noindef"))
265				flags &= ~CMS_STREAM;
266		else if (!strcmp (*args, "-nooldmime"))
267				flags |= CMS_NOOLDMIMETYPE;
268		else if (!strcmp (*args, "-crlfeol"))
269				flags |= CMS_CRLFEOL;
270		else if (!strcmp (*args, "-noout"))
271				noout = 1;
272		else if (!strcmp (*args, "-receipt_request_print"))
273				rr_print = 1;
274		else if (!strcmp (*args, "-receipt_request_all"))
275				rr_allorfirst = 0;
276		else if (!strcmp (*args, "-receipt_request_first"))
277				rr_allorfirst = 1;
278		else if (!strcmp(*args,"-receipt_request_from"))
279			{
280			if (!args[1])
281				goto argerr;
282			args++;
283			if (!rr_from)
284				rr_from = sk_OPENSSL_STRING_new_null();
285			sk_OPENSSL_STRING_push(rr_from, *args);
286			}
287		else if (!strcmp(*args,"-receipt_request_to"))
288			{
289			if (!args[1])
290				goto argerr;
291			args++;
292			if (!rr_to)
293				rr_to = sk_OPENSSL_STRING_new_null();
294			sk_OPENSSL_STRING_push(rr_to, *args);
295			}
296		else if (!strcmp (*args, "-print"))
297				{
298				noout = 1;
299				print = 1;
300				}
301		else if (!strcmp(*args,"-secretkey"))
302			{
303			long ltmp;
304			if (!args[1])
305				goto argerr;
306			args++;
307			secret_key = string_to_hex(*args, &ltmp);
308			if (!secret_key)
309				{
310				BIO_printf(bio_err, "Invalid key %s\n", *args);
311				goto argerr;
312				}
313			secret_keylen = (size_t)ltmp;
314			}
315		else if (!strcmp(*args,"-secretkeyid"))
316			{
317			long ltmp;
318			if (!args[1])
319				goto argerr;
320			args++;
321			secret_keyid = string_to_hex(*args, &ltmp);
322			if (!secret_keyid)
323				{
324				BIO_printf(bio_err, "Invalid id %s\n", *args);
325				goto argerr;
326				}
327			secret_keyidlen = (size_t)ltmp;
328			}
329		else if (!strcmp(*args,"-econtent_type"))
330			{
331			if (!args[1])
332				goto argerr;
333			args++;
334			econtent_type = OBJ_txt2obj(*args, 0);
335			if (!econtent_type)
336				{
337				BIO_printf(bio_err, "Invalid OID %s\n", *args);
338				goto argerr;
339				}
340			}
341		else if (!strcmp(*args,"-rand"))
342			{
343			if (!args[1])
344				goto argerr;
345			args++;
346			inrand = *args;
347			need_rand = 1;
348			}
349#ifndef OPENSSL_NO_ENGINE
350		else if (!strcmp(*args,"-engine"))
351			{
352			if (!args[1])
353				goto argerr;
354			engine = *++args;
355			}
356#endif
357		else if (!strcmp(*args,"-passin"))
358			{
359			if (!args[1])
360				goto argerr;
361			passargin = *++args;
362			}
363		else if (!strcmp (*args, "-to"))
364			{
365			if (!args[1])
366				goto argerr;
367			to = *++args;
368			}
369		else if (!strcmp (*args, "-from"))
370			{
371			if (!args[1])
372				goto argerr;
373			from = *++args;
374			}
375		else if (!strcmp (*args, "-subject"))
376			{
377			if (!args[1])
378				goto argerr;
379			subject = *++args;
380			}
381		else if (!strcmp (*args, "-signer"))
382			{
383			if (!args[1])
384				goto argerr;
385			/* If previous -signer argument add signer to list */
386
387			if (signerfile)
388				{
389				if (!sksigners)
390					sksigners = sk_OPENSSL_STRING_new_null();
391				sk_OPENSSL_STRING_push(sksigners, signerfile);
392				if (!keyfile)
393					keyfile = signerfile;
394				if (!skkeys)
395					skkeys = sk_OPENSSL_STRING_new_null();
396				sk_OPENSSL_STRING_push(skkeys, keyfile);
397				keyfile = NULL;
398				}
399			signerfile = *++args;
400			}
401		else if (!strcmp (*args, "-recip"))
402			{
403			if (!args[1])
404				goto argerr;
405			recipfile = *++args;
406			}
407		else if (!strcmp (*args, "-certsout"))
408			{
409			if (!args[1])
410				goto argerr;
411			certsoutfile = *++args;
412			}
413		else if (!strcmp (*args, "-md"))
414			{
415			if (!args[1])
416				goto argerr;
417			sign_md = EVP_get_digestbyname(*++args);
418			if (sign_md == NULL)
419				{
420				BIO_printf(bio_err, "Unknown digest %s\n",
421							*args);
422				goto argerr;
423				}
424			}
425		else if (!strcmp (*args, "-inkey"))
426			{
427			if (!args[1])
428				goto argerr;
429			/* If previous -inkey arument add signer to list */
430			if (keyfile)
431				{
432				if (!signerfile)
433					{
434					BIO_puts(bio_err, "Illegal -inkey without -signer\n");
435					goto argerr;
436					}
437				if (!sksigners)
438					sksigners = sk_OPENSSL_STRING_new_null();
439				sk_OPENSSL_STRING_push(sksigners, signerfile);
440				signerfile = NULL;
441				if (!skkeys)
442					skkeys = sk_OPENSSL_STRING_new_null();
443				sk_OPENSSL_STRING_push(skkeys, keyfile);
444				}
445			keyfile = *++args;
446			}
447		else if (!strcmp (*args, "-keyform"))
448			{
449			if (!args[1])
450				goto argerr;
451			keyform = str2fmt(*++args);
452			}
453		else if (!strcmp (*args, "-rctform"))
454			{
455			if (!args[1])
456				goto argerr;
457			rctformat = str2fmt(*++args);
458			}
459		else if (!strcmp (*args, "-certfile"))
460			{
461			if (!args[1])
462				goto argerr;
463			certfile = *++args;
464			}
465		else if (!strcmp (*args, "-CAfile"))
466			{
467			if (!args[1])
468				goto argerr;
469			CAfile = *++args;
470			}
471		else if (!strcmp (*args, "-CApath"))
472			{
473			if (!args[1])
474				goto argerr;
475			CApath = *++args;
476			}
477		else if (!strcmp (*args, "-in"))
478			{
479			if (!args[1])
480				goto argerr;
481			infile = *++args;
482			}
483		else if (!strcmp (*args, "-inform"))
484			{
485			if (!args[1])
486				goto argerr;
487			informat = str2fmt(*++args);
488			}
489		else if (!strcmp (*args, "-outform"))
490			{
491			if (!args[1])
492				goto argerr;
493			outformat = str2fmt(*++args);
494			}
495		else if (!strcmp (*args, "-out"))
496			{
497			if (!args[1])
498				goto argerr;
499			outfile = *++args;
500			}
501		else if (!strcmp (*args, "-content"))
502			{
503			if (!args[1])
504				goto argerr;
505			contfile = *++args;
506			}
507		else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
508			continue;
509		else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
510			badarg = 1;
511		args++;
512		}
513
514	if (((rr_allorfirst != -1) || rr_from) && !rr_to)
515		{
516		BIO_puts(bio_err, "No Signed Receipts Recipients\n");
517		goto argerr;
518		}
519
520	if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
521		{
522		BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
523		goto argerr;
524		}
525	if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
526		{
527		BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
528		goto argerr;
529		}
530
531	if (operation & SMIME_SIGNERS)
532		{
533		if (keyfile && !signerfile)
534			{
535			BIO_puts(bio_err, "Illegal -inkey without -signer\n");
536			goto argerr;
537			}
538		/* Check to see if any final signer needs to be appended */
539		if (signerfile)
540			{
541			if (!sksigners)
542				sksigners = sk_OPENSSL_STRING_new_null();
543			sk_OPENSSL_STRING_push(sksigners, signerfile);
544			if (!skkeys)
545				skkeys = sk_OPENSSL_STRING_new_null();
546			if (!keyfile)
547				keyfile = signerfile;
548			sk_OPENSSL_STRING_push(skkeys, keyfile);
549			}
550		if (!sksigners)
551			{
552			BIO_printf(bio_err, "No signer certificate specified\n");
553			badarg = 1;
554			}
555		signerfile = NULL;
556		keyfile = NULL;
557		need_rand = 1;
558		}
559
560	else if (operation == SMIME_DECRYPT)
561		{
562		if (!recipfile && !keyfile && !secret_key)
563			{
564			BIO_printf(bio_err, "No recipient certificate or key specified\n");
565			badarg = 1;
566			}
567		}
568	else if (operation == SMIME_ENCRYPT)
569		{
570		if (!*args && !secret_key)
571			{
572			BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
573			badarg = 1;
574			}
575		need_rand = 1;
576		}
577	else if (!operation)
578		badarg = 1;
579
580	if (badarg)
581		{
582		argerr:
583		BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
584		BIO_printf (bio_err, "where options are\n");
585		BIO_printf (bio_err, "-encrypt       encrypt message\n");
586		BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
587		BIO_printf (bio_err, "-sign          sign message\n");
588		BIO_printf (bio_err, "-verify        verify signed message\n");
589		BIO_printf (bio_err, "-cmsout        output CMS structure\n");
590#ifndef OPENSSL_NO_DES
591		BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
592		BIO_printf (bio_err, "-des           encrypt with DES\n");
593#endif
594#ifndef OPENSSL_NO_SEED
595		BIO_printf (bio_err, "-seed          encrypt with SEED\n");
596#endif
597#ifndef OPENSSL_NO_RC2
598		BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
599		BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
600		BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
601#endif
602#ifndef OPENSSL_NO_AES
603		BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
604		BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
605#endif
606#ifndef OPENSSL_NO_CAMELLIA
607		BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
608		BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
609#endif
610		BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
611		BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
612		BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
613		BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
614		BIO_printf (bio_err, "-nodetach      use opaque signing\n");
615		BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
616		BIO_printf (bio_err, "-binary        don't translate message to text\n");
617		BIO_printf (bio_err, "-certfile file other certificates file\n");
618		BIO_printf (bio_err, "-certsout file certificate output file\n");
619		BIO_printf (bio_err, "-signer file   signer certificate file\n");
620		BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
621		BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
622		BIO_printf (bio_err, "-in file       input file\n");
623		BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
624		BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
625		BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
626		BIO_printf (bio_err, "-out file      output file\n");
627		BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
628		BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
629		BIO_printf (bio_err, "-to addr       to address\n");
630		BIO_printf (bio_err, "-from ad       from address\n");
631		BIO_printf (bio_err, "-subject s     subject\n");
632		BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
633		BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
634		BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
635		BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
636		BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
637#ifndef OPENSSL_NO_ENGINE
638		BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
639#endif
640		BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
641		BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
642		BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
643		BIO_printf(bio_err,  "               the random number generator\n");
644		BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
645		goto end;
646		}
647
648#ifndef OPENSSL_NO_ENGINE
649        e = setup_engine(bio_err, engine, 0);
650#endif
651
652	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
653		{
654		BIO_printf(bio_err, "Error getting password\n");
655		goto end;
656		}
657
658	if (need_rand)
659		{
660		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
661		if (inrand != NULL)
662			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
663				app_RAND_load_files(inrand));
664		}
665
666	ret = 2;
667
668	if (!(operation & SMIME_SIGNERS))
669		flags &= ~CMS_DETACHED;
670
671	if (operation & SMIME_OP)
672		{
673		if (outformat == FORMAT_ASN1)
674			outmode = "wb";
675		}
676	else
677		{
678		if (flags & CMS_BINARY)
679			outmode = "wb";
680		}
681
682	if (operation & SMIME_IP)
683		{
684		if (informat == FORMAT_ASN1)
685			inmode = "rb";
686		}
687	else
688		{
689		if (flags & CMS_BINARY)
690			inmode = "rb";
691		}
692
693	if (operation == SMIME_ENCRYPT)
694		{
695		if (!cipher)
696			{
697#ifndef OPENSSL_NO_DES
698			cipher = EVP_des_ede3_cbc();
699#else
700			BIO_printf(bio_err, "No cipher selected\n");
701			goto end;
702#endif
703			}
704
705		if (secret_key && !secret_keyid)
706			{
707			BIO_printf(bio_err, "No secret key id\n");
708			goto end;
709			}
710
711		if (*args)
712			encerts = sk_X509_new_null();
713		while (*args)
714			{
715			if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
716				NULL, e, "recipient certificate file")))
717				goto end;
718			sk_X509_push(encerts, cert);
719			cert = NULL;
720			args++;
721			}
722		}
723
724	if (certfile)
725		{
726		if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
727			e, "certificate file")))
728			{
729			ERR_print_errors(bio_err);
730			goto end;
731			}
732		}
733
734	if (recipfile && (operation == SMIME_DECRYPT))
735		{
736		if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
737			e, "recipient certificate file")))
738			{
739			ERR_print_errors(bio_err);
740			goto end;
741			}
742		}
743
744	if (operation == SMIME_SIGN_RECEIPT)
745		{
746		if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
747			e, "receipt signer certificate file")))
748			{
749			ERR_print_errors(bio_err);
750			goto end;
751			}
752		}
753
754	if (operation == SMIME_DECRYPT)
755		{
756		if (!keyfile)
757			keyfile = recipfile;
758		}
759	else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
760		{
761		if (!keyfile)
762			keyfile = signerfile;
763		}
764	else keyfile = NULL;
765
766	if (keyfile)
767		{
768		key = load_key(bio_err, keyfile, keyform, 0, passin, e,
769			       "signing key file");
770		if (!key)
771			goto end;
772		}
773
774	if (infile)
775		{
776		if (!(in = BIO_new_file(infile, inmode)))
777			{
778			BIO_printf (bio_err,
779				 "Can't open input file %s\n", infile);
780			goto end;
781			}
782		}
783	else
784		in = BIO_new_fp(stdin, BIO_NOCLOSE);
785
786	if (operation & SMIME_IP)
787		{
788		if (informat == FORMAT_SMIME)
789			cms = SMIME_read_CMS(in, &indata);
790		else if (informat == FORMAT_PEM)
791			cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
792		else if (informat == FORMAT_ASN1)
793			cms = d2i_CMS_bio(in, NULL);
794		else
795			{
796			BIO_printf(bio_err, "Bad input format for CMS file\n");
797			goto end;
798			}
799
800		if (!cms)
801			{
802			BIO_printf(bio_err, "Error reading S/MIME message\n");
803			goto end;
804			}
805		if (contfile)
806			{
807			BIO_free(indata);
808			if (!(indata = BIO_new_file(contfile, "rb")))
809				{
810				BIO_printf(bio_err, "Can't read content file %s\n", contfile);
811				goto end;
812				}
813			}
814		if (certsoutfile)
815			{
816			STACK_OF(X509) *allcerts;
817			allcerts = CMS_get1_certs(cms);
818			if (!save_certs(certsoutfile, allcerts))
819				{
820				BIO_printf(bio_err,
821						"Error writing certs to %s\n",
822								certsoutfile);
823				ret = 5;
824				goto end;
825				}
826			sk_X509_pop_free(allcerts, X509_free);
827			}
828		}
829
830	if (rctfile)
831		{
832		char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
833		if (!(rctin = BIO_new_file(rctfile, rctmode)))
834			{
835			BIO_printf (bio_err,
836				 "Can't open receipt file %s\n", rctfile);
837			goto end;
838			}
839
840		if (rctformat == FORMAT_SMIME)
841			rcms = SMIME_read_CMS(rctin, NULL);
842		else if (rctformat == FORMAT_PEM)
843			rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
844		else if (rctformat == FORMAT_ASN1)
845			rcms = d2i_CMS_bio(rctin, NULL);
846		else
847			{
848			BIO_printf(bio_err, "Bad input format for receipt\n");
849			goto end;
850			}
851
852		if (!rcms)
853			{
854			BIO_printf(bio_err, "Error reading receipt\n");
855			goto end;
856			}
857		}
858
859	if (outfile)
860		{
861		if (!(out = BIO_new_file(outfile, outmode)))
862			{
863			BIO_printf (bio_err,
864				 "Can't open output file %s\n", outfile);
865			goto end;
866			}
867		}
868	else
869		{
870		out = BIO_new_fp(stdout, BIO_NOCLOSE);
871#ifdef OPENSSL_SYS_VMS
872		{
873		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
874		    out = BIO_push(tmpbio, out);
875		}
876#endif
877		}
878
879	if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
880		{
881		if (!(store = setup_verify(bio_err, CAfile, CApath)))
882			goto end;
883		X509_STORE_set_verify_cb(store, cms_cb);
884		if (vpm)
885			X509_STORE_set1_param(store, vpm);
886		}
887
888
889	ret = 3;
890
891	if (operation == SMIME_DATA_CREATE)
892		{
893		cms = CMS_data_create(in, flags);
894		}
895	else if (operation == SMIME_DIGEST_CREATE)
896		{
897		cms = CMS_digest_create(in, sign_md, flags);
898		}
899	else if (operation == SMIME_COMPRESS)
900		{
901		cms = CMS_compress(in, -1, flags);
902		}
903	else if (operation == SMIME_ENCRYPT)
904		{
905		flags |= CMS_PARTIAL;
906		cms = CMS_encrypt(encerts, in, cipher, flags);
907		if (!cms)
908			goto end;
909		if (secret_key)
910			{
911			if (!CMS_add0_recipient_key(cms, NID_undef,
912						secret_key, secret_keylen,
913						secret_keyid, secret_keyidlen,
914						NULL, NULL, NULL))
915				goto end;
916			/* NULL these because call absorbs them */
917			secret_key = NULL;
918			secret_keyid = NULL;
919			}
920		if (!(flags & CMS_STREAM))
921			{
922			if (!CMS_final(cms, in, NULL, flags))
923				goto end;
924			}
925		}
926	else if (operation == SMIME_ENCRYPTED_ENCRYPT)
927		{
928		cms = CMS_EncryptedData_encrypt(in, cipher,
929						secret_key, secret_keylen,
930						flags);
931
932		}
933	else if (operation == SMIME_SIGN_RECEIPT)
934		{
935		CMS_ContentInfo *srcms = NULL;
936		STACK_OF(CMS_SignerInfo) *sis;
937		CMS_SignerInfo *si;
938		sis = CMS_get0_SignerInfos(cms);
939		if (!sis)
940			goto end;
941		si = sk_CMS_SignerInfo_value(sis, 0);
942		srcms = CMS_sign_receipt(si, signer, key, other, flags);
943		if (!srcms)
944			goto end;
945		CMS_ContentInfo_free(cms);
946		cms = srcms;
947		}
948	else if (operation & SMIME_SIGNERS)
949		{
950		int i;
951		/* If detached data content we enable streaming if
952		 * S/MIME output format.
953		 */
954		if (operation == SMIME_SIGN)
955			{
956
957			if (flags & CMS_DETACHED)
958				{
959				if (outformat == FORMAT_SMIME)
960					flags |= CMS_STREAM;
961				}
962			flags |= CMS_PARTIAL;
963			cms = CMS_sign(NULL, NULL, other, in, flags);
964			if (!cms)
965				goto end;
966			if (econtent_type)
967				CMS_set1_eContentType(cms, econtent_type);
968
969			if (rr_to)
970				{
971				rr = make_receipt_request(rr_to, rr_allorfirst,
972								rr_from);
973				if (!rr)
974					{
975					BIO_puts(bio_err,
976				"Signed Receipt Request Creation Error\n");
977					goto end;
978					}
979				}
980			}
981		else
982			flags |= CMS_REUSE_DIGEST;
983		for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
984			{
985			CMS_SignerInfo *si;
986			signerfile = sk_OPENSSL_STRING_value(sksigners, i);
987			keyfile = sk_OPENSSL_STRING_value(skkeys, i);
988			signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
989					e, "signer certificate");
990			if (!signer)
991				goto end;
992			key = load_key(bio_err, keyfile, keyform, 0, passin, e,
993			       "signing key file");
994			if (!key)
995				goto end;
996			si = CMS_add1_signer(cms, signer, key, sign_md, flags);
997			if (!si)
998				goto end;
999			if (rr && !CMS_add1_ReceiptRequest(si, rr))
1000				goto end;
1001			X509_free(signer);
1002			signer = NULL;
1003			EVP_PKEY_free(key);
1004			key = NULL;
1005			}
1006		/* If not streaming or resigning finalize structure */
1007		if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1008			{
1009			if (!CMS_final(cms, in, NULL, flags))
1010				goto end;
1011			}
1012		}
1013
1014	if (!cms)
1015		{
1016		BIO_printf(bio_err, "Error creating CMS structure\n");
1017		goto end;
1018		}
1019
1020	ret = 4;
1021	if (operation == SMIME_DECRYPT)
1022		{
1023
1024		if (secret_key)
1025			{
1026			if (!CMS_decrypt_set1_key(cms,
1027						secret_key, secret_keylen,
1028						secret_keyid, secret_keyidlen))
1029				{
1030				BIO_puts(bio_err,
1031					"Error decrypting CMS using secret key\n");
1032				goto end;
1033				}
1034			}
1035
1036		if (key)
1037			{
1038			if (!CMS_decrypt_set1_pkey(cms, key, recip))
1039				{
1040				BIO_puts(bio_err,
1041					"Error decrypting CMS using private key\n");
1042				goto end;
1043				}
1044			}
1045
1046		if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1047			{
1048			BIO_printf(bio_err, "Error decrypting CMS structure\n");
1049			goto end;
1050			}
1051		}
1052	else if (operation == SMIME_DATAOUT)
1053		{
1054		if (!CMS_data(cms, out, flags))
1055			goto end;
1056		}
1057	else if (operation == SMIME_UNCOMPRESS)
1058		{
1059		if (!CMS_uncompress(cms, indata, out, flags))
1060			goto end;
1061		}
1062	else if (operation == SMIME_DIGEST_VERIFY)
1063		{
1064		if (CMS_digest_verify(cms, indata, out, flags) > 0)
1065			BIO_printf(bio_err, "Verification successful\n");
1066		else
1067			{
1068			BIO_printf(bio_err, "Verification failure\n");
1069			goto end;
1070			}
1071		}
1072	else if (operation == SMIME_ENCRYPTED_DECRYPT)
1073		{
1074		if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1075						indata, out, flags))
1076			goto end;
1077		}
1078	else if (operation == SMIME_VERIFY)
1079		{
1080		if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1081			BIO_printf(bio_err, "Verification successful\n");
1082		else
1083			{
1084			BIO_printf(bio_err, "Verification failure\n");
1085			if (verify_retcode)
1086				ret = verify_err + 32;
1087			goto end;
1088			}
1089		if (signerfile)
1090			{
1091			STACK_OF(X509) *signers;
1092			signers = CMS_get0_signers(cms);
1093			if (!save_certs(signerfile, signers))
1094				{
1095				BIO_printf(bio_err,
1096						"Error writing signers to %s\n",
1097								signerfile);
1098				ret = 5;
1099				goto end;
1100				}
1101			sk_X509_free(signers);
1102			}
1103		if (rr_print)
1104			receipt_request_print(bio_err, cms);
1105
1106		}
1107	else if (operation == SMIME_VERIFY_RECEIPT)
1108		{
1109		if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1110			BIO_printf(bio_err, "Verification successful\n");
1111		else
1112			{
1113			BIO_printf(bio_err, "Verification failure\n");
1114			goto end;
1115			}
1116		}
1117	else
1118		{
1119		if (noout)
1120			{
1121			if (print)
1122				CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1123			}
1124		else if (outformat == FORMAT_SMIME)
1125			{
1126			if (to)
1127				BIO_printf(out, "To: %s\n", to);
1128			if (from)
1129				BIO_printf(out, "From: %s\n", from);
1130			if (subject)
1131				BIO_printf(out, "Subject: %s\n", subject);
1132			if (operation == SMIME_RESIGN)
1133				ret = SMIME_write_CMS(out, cms, indata, flags);
1134			else
1135				ret = SMIME_write_CMS(out, cms, in, flags);
1136			}
1137		else if (outformat == FORMAT_PEM)
1138			ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1139		else if (outformat == FORMAT_ASN1)
1140			ret = i2d_CMS_bio_stream(out,cms, in, flags);
1141		else
1142			{
1143			BIO_printf(bio_err, "Bad output format for CMS file\n");
1144			goto end;
1145			}
1146		if (ret <= 0)
1147			{
1148			ret = 6;
1149			goto end;
1150			}
1151		}
1152	ret = 0;
1153end:
1154	if (ret)
1155		ERR_print_errors(bio_err);
1156	if (need_rand)
1157		app_RAND_write_file(NULL, bio_err);
1158	sk_X509_pop_free(encerts, X509_free);
1159	sk_X509_pop_free(other, X509_free);
1160	if (vpm)
1161		X509_VERIFY_PARAM_free(vpm);
1162	if (sksigners)
1163		sk_OPENSSL_STRING_free(sksigners);
1164	if (skkeys)
1165		sk_OPENSSL_STRING_free(skkeys);
1166	if (secret_key)
1167		OPENSSL_free(secret_key);
1168	if (secret_keyid)
1169		OPENSSL_free(secret_keyid);
1170	if (econtent_type)
1171		ASN1_OBJECT_free(econtent_type);
1172	if (rr)
1173		CMS_ReceiptRequest_free(rr);
1174	if (rr_to)
1175		sk_OPENSSL_STRING_free(rr_to);
1176	if (rr_from)
1177		sk_OPENSSL_STRING_free(rr_from);
1178	X509_STORE_free(store);
1179	X509_free(cert);
1180	X509_free(recip);
1181	X509_free(signer);
1182	EVP_PKEY_free(key);
1183	CMS_ContentInfo_free(cms);
1184	CMS_ContentInfo_free(rcms);
1185	BIO_free(rctin);
1186	BIO_free(in);
1187	BIO_free(indata);
1188	BIO_free_all(out);
1189	if (passin) OPENSSL_free(passin);
1190	return (ret);
1191}
1192
1193static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1194	{
1195	int i;
1196	BIO *tmp;
1197	if (!signerfile)
1198		return 1;
1199	tmp = BIO_new_file(signerfile, "w");
1200	if (!tmp) return 0;
1201	for(i = 0; i < sk_X509_num(signers); i++)
1202		PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1203	BIO_free(tmp);
1204	return 1;
1205	}
1206
1207
1208/* Minimal callback just to output policy info (if any) */
1209
1210static int cms_cb(int ok, X509_STORE_CTX *ctx)
1211	{
1212	int error;
1213
1214	error = X509_STORE_CTX_get_error(ctx);
1215
1216	verify_err = error;
1217
1218	if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1219		&& ((error != X509_V_OK) || (ok != 2)))
1220		return ok;
1221
1222	policies_print(NULL, ctx);
1223
1224	return ok;
1225
1226	}
1227
1228static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1229	{
1230	STACK_OF(GENERAL_NAME) *gens;
1231	GENERAL_NAME *gen;
1232	int i, j;
1233	for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1234		{
1235		gens = sk_GENERAL_NAMES_value(gns, i);
1236		for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1237			{
1238			gen = sk_GENERAL_NAME_value(gens, j);
1239			BIO_puts(out, "    ");
1240			GENERAL_NAME_print(out, gen);
1241			BIO_puts(out, "\n");
1242			}
1243		}
1244	return;
1245	}
1246
1247static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1248	{
1249	STACK_OF(CMS_SignerInfo) *sis;
1250	CMS_SignerInfo *si;
1251	CMS_ReceiptRequest *rr;
1252	int allorfirst;
1253	STACK_OF(GENERAL_NAMES) *rto, *rlist;
1254	ASN1_STRING *scid;
1255	int i, rv;
1256	sis = CMS_get0_SignerInfos(cms);
1257	for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1258		{
1259		si = sk_CMS_SignerInfo_value(sis, i);
1260		rv = CMS_get1_ReceiptRequest(si, &rr);
1261		BIO_printf(bio_err, "Signer %d:\n", i + 1);
1262		if (rv == 0)
1263			BIO_puts(bio_err, "  No Receipt Request\n");
1264		else if (rv < 0)
1265			{
1266			BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1267			ERR_print_errors(bio_err);
1268			}
1269		else
1270			{
1271			char *id;
1272			int idlen;
1273			CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1274							&rlist, &rto);
1275			BIO_puts(out, "  Signed Content ID:\n");
1276			idlen = ASN1_STRING_length(scid);
1277			id = (char *)ASN1_STRING_data(scid);
1278			BIO_dump_indent(out, id, idlen, 4);
1279			BIO_puts(out, "  Receipts From");
1280			if (rlist)
1281				{
1282				BIO_puts(out, " List:\n");
1283				gnames_stack_print(out, rlist);
1284				}
1285			else if (allorfirst == 1)
1286				BIO_puts(out, ": First Tier\n");
1287			else if (allorfirst == 0)
1288				BIO_puts(out, ": All\n");
1289			else
1290				BIO_printf(out, " Unknown (%d)\n", allorfirst);
1291			BIO_puts(out, "  Receipts To:\n");
1292			gnames_stack_print(out, rto);
1293			}
1294		if (rr)
1295			CMS_ReceiptRequest_free(rr);
1296		}
1297	}
1298
1299static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1300	{
1301	int i;
1302	STACK_OF(GENERAL_NAMES) *ret;
1303	GENERAL_NAMES *gens = NULL;
1304	GENERAL_NAME *gen = NULL;
1305	ret = sk_GENERAL_NAMES_new_null();
1306	if (!ret)
1307		goto err;
1308	for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++)
1309		{
1310		char *str = sk_OPENSSL_STRING_value(ns, i);
1311		gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1312		if (!gen)
1313			goto err;
1314		gens = GENERAL_NAMES_new();
1315		if (!gens)
1316			goto err;
1317		if (!sk_GENERAL_NAME_push(gens, gen))
1318			goto err;
1319		gen = NULL;
1320		if (!sk_GENERAL_NAMES_push(ret, gens))
1321			goto err;
1322		gens = NULL;
1323		}
1324
1325	return ret;
1326
1327	err:
1328	if (ret)
1329		sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1330	if (gens)
1331		GENERAL_NAMES_free(gens);
1332	if (gen)
1333		GENERAL_NAME_free(gen);
1334	return NULL;
1335	}
1336
1337
1338static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
1339						int rr_allorfirst,
1340						STACK_OF(OPENSSL_STRING) *rr_from)
1341	{
1342	STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1343	CMS_ReceiptRequest *rr;
1344	rct_to = make_names_stack(rr_to);
1345	if (!rct_to)
1346		goto err;
1347	if (rr_from)
1348		{
1349		rct_from = make_names_stack(rr_from);
1350		if (!rct_from)
1351			goto err;
1352		}
1353	else
1354		rct_from = NULL;
1355	rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1356						rct_to);
1357	return rr;
1358	err:
1359	return NULL;
1360	}
1361
1362#endif
1363