cms.c

Last change on this file was 108206, checked in by vboxsync, 3 months ago
openssl-3.3.2: Exported all files to OSE and removed .scm-settings bugref:10757
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 51.3 KB

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1	/*
2	* Copyright 2008-2024 The OpenSSL Project Authors. All Rights Reserved.
3	*
4	* Licensed under the Apache License 2.0 (the "License"). You may not use
5	* this file except in compliance with the License. You can obtain a copy
6	* in the file LICENSE in the source distribution or at
7	* https://www.openssl.org/source/license.html
8	*/
9
10	/* CMS utility function */
11
12	#include <stdio.h>
13	#include <string.h>
14	#include "apps.h"
15	#include "progs.h"
16
17	#include <openssl/crypto.h>
18	#include <openssl/pem.h>
19	#include <openssl/err.h>
20	#include <openssl/x509_vfy.h>
21	#include <openssl/x509v3.h>
22	#include <openssl/cms.h>
23
24	static int save_certs(char signerfile, STACK_OF(X509) signers);
25	static int cms_cb(int ok, X509_STORE_CTX *ctx);
26	static void receipt_request_print(CMS_ContentInfo *cms);
27	static CMS_ReceiptRequest
28	make_receipt_request(STACK_OF(OPENSSL_STRING) rr_to, int rr_allorfirst,
29	STACK_OF(OPENSSL_STRING) *rr_from);
30	static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
31	STACK_OF(OPENSSL_STRING) *param);
32
33	#define SMIME_OP 0x100
34	#define SMIME_IP 0x200
35	#define SMIME_SIGNERS 0x400
36	#define SMIME_ENCRYPT (1 \| SMIME_OP)
37	#define SMIME_DECRYPT (2 \| SMIME_IP)
38	#define SMIME_SIGN (3 \| SMIME_OP \| SMIME_SIGNERS)
39	#define SMIME_VERIFY (4 \| SMIME_IP)
40	#define SMIME_RESIGN (5 \| SMIME_IP \| SMIME_OP \| SMIME_SIGNERS)
41	#define SMIME_SIGN_RECEIPT (6 \| SMIME_IP \| SMIME_OP)
42	#define SMIME_VERIFY_RECEIPT (7 \| SMIME_IP)
43	#define SMIME_DIGEST_CREATE (8 \| SMIME_OP)
44	#define SMIME_DIGEST_VERIFY (9 \| SMIME_IP)
45	#define SMIME_COMPRESS (10 \| SMIME_OP)
46	#define SMIME_UNCOMPRESS (11 \| SMIME_IP)
47	#define SMIME_ENCRYPTED_ENCRYPT (12 \| SMIME_OP)
48	#define SMIME_ENCRYPTED_DECRYPT (13 \| SMIME_IP)
49	#define SMIME_DATA_CREATE (14 \| SMIME_OP)
50	#define SMIME_DATA_OUT (15 \| SMIME_IP)
51	#define SMIME_CMSOUT (16 \| SMIME_IP \| SMIME_OP)
52
53	static int verify_err = 0;
54
55	typedef struct cms_key_param_st cms_key_param;
56
57	struct cms_key_param_st {
58	int idx;
59	STACK_OF(OPENSSL_STRING) *param;
60	cms_key_param *next;
61	};
62
63	typedef enum OPTION_choice {
64	OPT_COMMON,
65	OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
66	OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
67	OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
68	OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
69	OPT_DIGEST, OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
70	OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
71	OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
72	OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
73	OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
74	OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
75	OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
76	OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
77	OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT,
78	OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
79	OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
80	OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
81	OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
82	OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE,
83	OPT_R_ENUM,
84	OPT_PROV_ENUM, OPT_CONFIG,
85	OPT_V_ENUM,
86	OPT_CIPHER,
87	OPT_ORIGINATOR
88	} OPTION_CHOICE;
89
90	const OPTIONS cms_options[] = {
91	{OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
92	{"help", OPT_HELP, '-', "Display this summary"},
93
94	OPT_SECTION("General"),
95	{"in", OPT_IN, '<', "Input file"},
96	{"out", OPT_OUT, '>', "Output file"},
97	OPT_CONFIG_OPTION,
98
99	OPT_SECTION("Operation"),
100	{"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
101	{"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
102	{"sign", OPT_SIGN, '-', "Sign message"},
103	{"verify", OPT_VERIFY, '-', "Verify signed message"},
104	{"resign", OPT_RESIGN, '-', "Resign a signed message"},
105	{"sign_receipt", OPT_SIGN_RECEIPT, '-',
106	"Generate a signed receipt for a message"},
107	{"verify_receipt", OPT_VERIFY_RECEIPT, '<',
108	"Verify receipts; exit if receipt signatures do not verify"},
109	{"digest", OPT_DIGEST, 's', "Sign a pre-computed digest in hex notation"},
110	{"digest_create", OPT_DIGEST_CREATE, '-',
111	"Create a CMS \"DigestedData\" object"},
112	{"digest_verify", OPT_DIGEST_VERIFY, '-',
113	"Verify a CMS \"DigestedData\" object and output it"},
114	{"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
115	{"uncompress", OPT_UNCOMPRESS, '-',
116	"Uncompress a CMS \"CompressedData\" object"},
117	{"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
118	"Create CMS \"EncryptedData\" object using symmetric key"},
119	{"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
120	"Decrypt CMS \"EncryptedData\" object using symmetric key"},
121	{"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
122	{"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
123	{"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
124
125	OPT_SECTION("File format"),
126	{"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
127	{"outform", OPT_OUTFORM, 'c',
128	"Output format SMIME (default), PEM or DER"},
129	{"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
130	{"stream", OPT_INDEF, '-', "Enable CMS streaming"},
131	{"indef", OPT_INDEF, '-', "Same as -stream"},
132	{"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
133	{"binary", OPT_BINARY, '-',
134	"Treat input as binary: do not translate to canonical form"},
135	{"crlfeol", OPT_CRLFEOL, '-',
136	"Use CRLF as EOL termination instead of LF only" },
137	{"asciicrlf", OPT_ASCIICRLF, '-',
138	"Perform CRLF canonicalisation when signing"},
139
140	OPT_SECTION("Keys and passwords"),
141	{"pwri_password", OPT_PWRI_PASSWORD, 's',
142	"Specific password for recipient"},
143	{"secretkey", OPT_SECRETKEY, 's',
144	"Use specified hex-encoded key to decrypt/encrypt recipients or content"},
145	{"secretkeyid", OPT_SECRETKEYID, 's',
146	"Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
147	{"inkey", OPT_INKEY, 's',
148	"Input private key (if not signer or recipient)"},
149	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
150	{"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
151	{"keyform", OPT_KEYFORM, 'f',
152	"Input private key format (ENGINE, other values ignored)"},
153	#ifndef OPENSSL_NO_ENGINE
154	{"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
155	#endif
156	OPT_PROV_OPTIONS,
157	OPT_R_OPTIONS,
158
159	OPT_SECTION("Encryption and decryption"),
160	{"originator", OPT_ORIGINATOR, 's', "Originator certificate file"},
161	{"recip", OPT_RECIP, '<', "Recipient cert file"},
162	{"cert...", OPT_PARAM, '.',
163	"Recipient certs (optional; used only when encrypting)"},
164	{"", OPT_CIPHER, '-',
165	"The encryption algorithm to use (any supported cipher)"},
166	{"wrap", OPT_WRAP, 's',
167	"Key wrap algorithm to use when encrypting with key agreement"},
168	{"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
169	{"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
170	{"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
171	{"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
172	{"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
173	"Disable MMA protection, return error if no recipient found (see doc)"},
174
175	OPT_SECTION("Signing"),
176	{"md", OPT_MD, 's', "Digest algorithm to use"},
177	{"signer", OPT_SIGNER, 's', "Signer certificate input file"},
178	{"certfile", OPT_CERTFILE, '<', "Other certificates file"},
179	{"cades", OPT_CADES, '-',
180	"Include signingCertificate attribute (CAdES-BES)"},
181	{"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
182	{"nocerts", OPT_NOCERTS, '-',
183	"Don't include signer's certificate when signing"},
184	{"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
185	{"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
186	{"receipt_request_all", OPT_RR_ALL, '-',
187	"When signing, create a receipt request for all recipients"},
188	{"receipt_request_first", OPT_RR_FIRST, '-',
189	"When signing, create a receipt request for first recipient"},
190	{"receipt_request_from", OPT_RR_FROM, 's',
191	"Create signed receipt request with specified email address"},
192	{"receipt_request_to", OPT_RR_TO, 's',
193	"Create signed receipt targeted to specified address"},
194
195	OPT_SECTION("Verification"),
196	{"signer", OPT_DUP, 's', "Signer certificate(s) output file"},
197	{"content", OPT_CONTENT, '<',
198	"Supply or override content for detached signature"},
199	{"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
200	"Do not verify signed content signatures"},
201	{"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
202	"Do not verify signed attribute signatures"},
203	{"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
204	{"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
205	{"nointern", OPT_NOINTERN, '-',
206	"Don't search certificates in message for signer"},
207	{"cades", OPT_DUP, '-', "Check signingCertificate (CAdES-BES)"},
208	{"verify_retcode", OPT_VERIFY_RETCODE, '-',
209	"Exit non-zero on verification failure"},
210	{"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
211	{"CApath", OPT_CAPATH, '/', "Trusted certificates directory"},
212	{"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
213	{"no-CAfile", OPT_NOCAFILE, '-',
214	"Do not load the default certificates file"},
215	{"no-CApath", OPT_NOCAPATH, '-',
216	"Do not load certificates from the default certificates directory"},
217	{"no-CAstore", OPT_NOCASTORE, '-',
218	"Do not load certificates from the default certificates store"},
219
220	OPT_SECTION("Output"),
221	{"keyid", OPT_KEYID, '-', "Use subject key identifier"},
222	{"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
223	{"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
224	{"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
225	{"to", OPT_TO, 's', "To address"},
226	{"from", OPT_FROM, 's', "From address"},
227	{"subject", OPT_SUBJECT, 's', "Subject"},
228
229	OPT_SECTION("Printing"),
230	{"noout", OPT_NOOUT, '-',
231	"For the -cmsout operation do not output the parsed CMS structure"},
232	{"print", OPT_PRINT, '-',
233	"For the -cmsout operation print out all fields of the CMS structure"},
234	{"nameopt", OPT_NAMEOPT, 's',
235	"For the -print option specifies various strings printing options"},
236	{"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
237
238	OPT_V_OPTIONS,
239	{NULL}
240	};
241
242	static CMS_ContentInfo load_content_info(int informat, BIO in, int flags,
243	BIO *indata, const char name)
244	{
245	CMS_ContentInfo ret, ci;
246
247	ret = CMS_ContentInfo_new_ex(app_get0_libctx(), app_get0_propq());
248	if (ret == NULL) {
249	BIO_printf(bio_err, "Error allocating CMS_contentinfo\n");
250	return NULL;
251	}
252	switch (informat) {
253	case FORMAT_SMIME:
254	ci = SMIME_read_CMS_ex(in, flags, indata, &ret);
255	break;
256	case FORMAT_PEM:
257	ci = PEM_read_bio_CMS(in, &ret, NULL, NULL);
258	break;
259	case FORMAT_ASN1:
260	ci = d2i_CMS_bio(in, &ret);
261	break;
262	default:
263	BIO_printf(bio_err, "Bad input format for %s\n", name);
264	goto err;
265	}
266	if (ci == NULL) {
267	BIO_printf(bio_err, "Error reading %s Content Info\n", name);
268	goto err;
269	}
270	return ret;
271	err:
272	CMS_ContentInfo_free(ret);
273	return NULL;
274	}
275
276	int cms_main(int argc, char **argv)
277	{
278	CONF *conf = NULL;
279	ASN1_OBJECT *econtent_type = NULL;
280	BIO in = NULL, out = NULL, indata = NULL, rctin = NULL;
281	CMS_ContentInfo cms = NULL, rcms = NULL;
282	CMS_ReceiptRequest *rr = NULL;
283	ENGINE *e = NULL;
284	EVP_PKEY *key = NULL;
285	EVP_CIPHER cipher = NULL, wrap_cipher = NULL;
286	EVP_MD *sign_md = NULL;
287	STACK_OF(OPENSSL_STRING) rr_to = NULL, rr_from = NULL;
288	STACK_OF(OPENSSL_STRING) sksigners = NULL, skkeys = NULL;
289	STACK_OF(X509) encerts = sk_X509_new_null(), other = NULL;
290	X509 cert = NULL, recip = NULL, signer = NULL, originator = NULL;
291	X509_STORE *store = NULL;
292	X509_VERIFY_PARAM *vpm = X509_VERIFY_PARAM_new();
293	char certfile = NULL, keyfile = NULL, *contfile = NULL;
294	const char CAfile = NULL, CApath = NULL, *CAstore = NULL;
295	char certsoutfile = NULL, digestname = NULL, *wrapname = NULL;
296	int noCAfile = 0, noCApath = 0, noCAstore = 0;
297	char *digesthex = NULL;
298	unsigned char *digestbin = NULL;
299	long digestlen = 0;
300	char infile = NULL, outfile = NULL, *rctfile = NULL;
301	char passinarg = NULL, passin = NULL, *signerfile = NULL;
302	char originatorfile = NULL, recipfile = NULL, *ciphername = NULL;
303	char to = NULL, from = NULL, subject = NULL, prog;
304	cms_key_param key_first = NULL, key_param = NULL;
305	int flags = CMS_DETACHED, binary_files = 0;
306	int noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
307	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
308	int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
309	int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_UNDEF;
310	size_t secret_keylen = 0, secret_keyidlen = 0;
311	unsigned char pwri_pass = NULL, pwri_tmp = NULL;
312	unsigned char secret_key = NULL, secret_keyid = NULL;
313	long ltmp;
314	const char *mime_eol = "\n";
315	OPTION_CHOICE o;
316	OSSL_LIB_CTX *libctx = app_get0_libctx();
317
318	if (encerts == NULL \|\| vpm == NULL)
319	goto end;
320
321	opt_set_unknown_name("cipher");
322	prog = opt_init(argc, argv, cms_options);
323	while ((o = opt_next()) != OPT_EOF) {
324	switch (o) {
325	case OPT_EOF:
326	case OPT_ERR:
327	opthelp:
328	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
329	goto end;
330	case OPT_HELP:
331	opt_help(cms_options);
332	ret = 0;
333	goto end;
334	case OPT_INFORM:
335	if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
336	goto opthelp;
337	break;
338	case OPT_OUTFORM:
339	if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
340	goto opthelp;
341	break;
342	case OPT_OUT:
343	outfile = opt_arg();
344	break;
345
346	case OPT_ENCRYPT:
347	operation = SMIME_ENCRYPT;
348	break;
349	case OPT_DECRYPT:
350	operation = SMIME_DECRYPT;
351	break;
352	case OPT_SIGN:
353	operation = SMIME_SIGN;
354	break;
355	case OPT_VERIFY:
356	operation = SMIME_VERIFY;
357	break;
358	case OPT_RESIGN:
359	operation = SMIME_RESIGN;
360	break;
361	case OPT_SIGN_RECEIPT:
362	operation = SMIME_SIGN_RECEIPT;
363	break;
364	case OPT_VERIFY_RECEIPT:
365	operation = SMIME_VERIFY_RECEIPT;
366	rctfile = opt_arg();
367	break;
368	case OPT_VERIFY_RETCODE:
369	verify_retcode = 1;
370	break;
371	case OPT_DIGEST_CREATE:
372	operation = SMIME_DIGEST_CREATE;
373	break;
374	case OPT_DIGEST:
375	digesthex = opt_arg();
376	break;
377	case OPT_DIGEST_VERIFY:
378	operation = SMIME_DIGEST_VERIFY;
379	break;
380	case OPT_COMPRESS:
381	operation = SMIME_COMPRESS;
382	break;
383	case OPT_UNCOMPRESS:
384	operation = SMIME_UNCOMPRESS;
385	break;
386	case OPT_ED_ENCRYPT:
387	operation = SMIME_ENCRYPTED_ENCRYPT;
388	break;
389	case OPT_ED_DECRYPT:
390	operation = SMIME_ENCRYPTED_DECRYPT;
391	break;
392	case OPT_DATA_CREATE:
393	operation = SMIME_DATA_CREATE;
394	break;
395	case OPT_DATA_OUT:
396	operation = SMIME_DATA_OUT;
397	break;
398	case OPT_CMSOUT:
399	operation = SMIME_CMSOUT;
400	break;
401
402	case OPT_DEBUG_DECRYPT:
403	flags \|= CMS_DEBUG_DECRYPT;
404	break;
405	case OPT_TEXT:
406	flags \|= CMS_TEXT;
407	break;
408	case OPT_ASCIICRLF:
409	flags \|= CMS_ASCIICRLF;
410	break;
411	case OPT_NOINTERN:
412	flags \|= CMS_NOINTERN;
413	break;
414	case OPT_NOVERIFY:
415	flags \|= CMS_NO_SIGNER_CERT_VERIFY;
416	break;
417	case OPT_NOCERTS:
418	flags \|= CMS_NOCERTS;
419	break;
420	case OPT_NOATTR:
421	flags \|= CMS_NOATTR;
422	break;
423	case OPT_NODETACH:
424	flags &= ~CMS_DETACHED;
425	break;
426	case OPT_NOSMIMECAP:
427	flags \|= CMS_NOSMIMECAP;
428	break;
429	case OPT_BINARY:
430	flags \|= CMS_BINARY;
431	break;
432	case OPT_CADES:
433	flags \|= CMS_CADES;
434	break;
435	case OPT_KEYID:
436	flags \|= CMS_USE_KEYID;
437	break;
438	case OPT_NOSIGS:
439	flags \|= CMS_NOSIGS;
440	break;
441	case OPT_NO_CONTENT_VERIFY:
442	flags \|= CMS_NO_CONTENT_VERIFY;
443	break;
444	case OPT_NO_ATTR_VERIFY:
445	flags \|= CMS_NO_ATTR_VERIFY;
446	break;
447	case OPT_INDEF:
448	flags \|= CMS_STREAM;
449	break;
450	case OPT_NOINDEF:
451	flags &= ~CMS_STREAM;
452	break;
453	case OPT_CRLFEOL:
454	mime_eol = "\r\n";
455	flags \|= CMS_CRLFEOL;
456	break;
457	case OPT_NOOUT:
458	noout = 1;
459	break;
460	case OPT_RR_PRINT:
461	rr_print = 1;
462	break;
463	case OPT_RR_ALL:
464	rr_allorfirst = 0;
465	break;
466	case OPT_RR_FIRST:
467	rr_allorfirst = 1;
468	break;
469	case OPT_RCTFORM:
470	if (!opt_format(opt_arg(),
471	OPT_FMT_PEMDER \| OPT_FMT_SMIME, &rctformat))
472	goto opthelp;
473	break;
474	case OPT_CERTFILE:
475	certfile = opt_arg();
476	break;
477	case OPT_CAFILE:
478	CAfile = opt_arg();
479	break;
480	case OPT_CAPATH:
481	CApath = opt_arg();
482	break;
483	case OPT_CASTORE:
484	CAstore = opt_arg();
485	break;
486	case OPT_NOCAFILE:
487	noCAfile = 1;
488	break;
489	case OPT_NOCAPATH:
490	noCApath = 1;
491	break;
492	case OPT_NOCASTORE:
493	noCAstore = 1;
494	break;
495	case OPT_IN:
496	infile = opt_arg();
497	break;
498	case OPT_CONTENT:
499	contfile = opt_arg();
500	break;
501	case OPT_RR_FROM:
502	if (rr_from == NULL
503	&& (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
504	goto end;
505	sk_OPENSSL_STRING_push(rr_from, opt_arg());
506	break;
507	case OPT_RR_TO:
508	if (rr_to == NULL
509	&& (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
510	goto end;
511	sk_OPENSSL_STRING_push(rr_to, opt_arg());
512	break;
513	case OPT_PRINT:
514	noout = print = 1;
515	break;
516	case OPT_NAMEOPT:
517	if (!set_nameopt(opt_arg()))
518	goto opthelp;
519	break;
520	case OPT_SECRETKEY:
521	if (secret_key != NULL) {
522	BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
523	opt_arg());
524	goto opthelp;
525	}
526	secret_key = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
527	if (secret_key == NULL) {
528	BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
529	goto end;
530	}
531	secret_keylen = (size_t)ltmp;
532	break;
533	case OPT_SECRETKEYID:
534	if (secret_keyid != NULL) {
535	BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
536	opt_arg());
537	goto opthelp;
538	}
539	secret_keyid = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
540	if (secret_keyid == NULL) {
541	BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
542	goto opthelp;
543	}
544	secret_keyidlen = (size_t)ltmp;
545	break;
546	case OPT_PWRI_PASSWORD:
547	pwri_pass = (unsigned char *)opt_arg();
548	break;
549	case OPT_ECONTENT_TYPE:
550	if (econtent_type != NULL) {
551	BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
552	opt_arg());
553	goto opthelp;
554	}
555	econtent_type = OBJ_txt2obj(opt_arg(), 0);
556	if (econtent_type == NULL) {
557	BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
558	goto opthelp;
559	}
560	break;
561	case OPT_ENGINE:
562	e = setup_engine(opt_arg(), 0);
563	break;
564	case OPT_PASSIN:
565	passinarg = opt_arg();
566	break;
567	case OPT_TO:
568	to = opt_arg();
569	break;
570	case OPT_FROM:
571	from = opt_arg();
572	break;
573	case OPT_SUBJECT:
574	subject = opt_arg();
575	break;
576	case OPT_CERTSOUT:
577	certsoutfile = opt_arg();
578	break;
579	case OPT_MD:
580	digestname = opt_arg();
581	break;
582	case OPT_SIGNER:
583	/* If previous -signer argument add signer to list */
584	if (signerfile != NULL) {
585	if (sksigners == NULL
586	&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
587	goto end;
588	sk_OPENSSL_STRING_push(sksigners, signerfile);
589	if (keyfile == NULL)
590	keyfile = signerfile;
591	if (skkeys == NULL
592	&& (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
593	goto end;
594	sk_OPENSSL_STRING_push(skkeys, keyfile);
595	keyfile = NULL;
596	}
597	signerfile = opt_arg();
598	break;
599	case OPT_ORIGINATOR:
600	originatorfile = opt_arg();
601	break;
602	case OPT_INKEY:
603	/* If previous -inkey argument add signer to list */
604	if (keyfile != NULL) {
605	if (signerfile == NULL) {
606	BIO_puts(bio_err, "Illegal -inkey without -signer\n");
607	goto end;
608	}
609	if (sksigners == NULL
610	&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
611	goto end;
612	sk_OPENSSL_STRING_push(sksigners, signerfile);
613	signerfile = NULL;
614	if (skkeys == NULL
615	&& (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
616	goto end;
617	sk_OPENSSL_STRING_push(skkeys, keyfile);
618	}
619	keyfile = opt_arg();
620	break;
621	case OPT_KEYFORM:
622	if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
623	goto opthelp;
624	break;
625	case OPT_RECIP:
626	if (operation == SMIME_ENCRYPT) {
627	cert = load_cert(opt_arg(), FORMAT_UNDEF,
628	"recipient certificate file");
629	if (cert == NULL)
630	goto end;
631	if (!sk_X509_push(encerts, cert))
632	goto end;
633	cert = NULL;
634	} else {
635	recipfile = opt_arg();
636	}
637	break;
638	case OPT_CIPHER:
639	ciphername = opt_unknown();
640	break;
641	case OPT_KEYOPT:
642	keyidx = -1;
643	if (operation == SMIME_ENCRYPT) {
644	if (sk_X509_num(encerts) > 0)
645	keyidx += sk_X509_num(encerts);
646	} else {
647	if (keyfile != NULL \|\| signerfile != NULL)
648	keyidx++;
649	if (skkeys != NULL)
650	keyidx += sk_OPENSSL_STRING_num(skkeys);
651	}
652	if (keyidx < 0) {
653	BIO_printf(bio_err, "No key specified\n");
654	goto opthelp;
655	}
656	if (key_param == NULL \|\| key_param->idx != keyidx) {
657	cms_key_param *nparam;
658	nparam = app_malloc(sizeof(*nparam), "key param buffer");
659	if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) {
660	OPENSSL_free(nparam);
661	goto end;
662	}
663	nparam->idx = keyidx;
664	nparam->next = NULL;
665	if (key_first == NULL)
666	key_first = nparam;
667	else
668	key_param->next = nparam;
669	key_param = nparam;
670	}
671	sk_OPENSSL_STRING_push(key_param->param, opt_arg());
672	break;
673	case OPT_V_CASES:
674	if (!opt_verify(o, vpm))
675	goto end;
676	vpmtouched++;
677	break;
678	case OPT_R_CASES:
679	if (!opt_rand(o))
680	goto end;
681	break;
682	case OPT_PROV_CASES:
683	if (!opt_provider(o))
684	goto end;
685	break;
686	case OPT_CONFIG:
687	conf = app_load_config_modules(opt_arg());
688	if (conf == NULL)
689	goto end;
690	break;
691	case OPT_WRAP:
692	wrapname = opt_arg();
693	break;
694	case OPT_AES128_WRAP:
695	case OPT_AES192_WRAP:
696	case OPT_AES256_WRAP:
697	case OPT_3DES_WRAP:
698	wrapname = opt_flag() + 1;
699	break;
700	}
701	}
702	if (!app_RAND_load())
703	goto end;
704
705	if (digestname != NULL) {
706	if (!opt_md(digestname, &sign_md))
707	goto end;
708	}
709	if (!opt_cipher_any(ciphername, &cipher))
710	goto end;
711	if (wrapname != NULL) {
712	if (!opt_cipher_any(wrapname, &wrap_cipher))
713	goto end;
714	}
715
716	/* Remaining args are files to process. */
717	argc = opt_num_rest();
718	argv = opt_rest();
719
720	if ((rr_allorfirst != -1 \|\| rr_from != NULL) && rr_to == NULL) {
721	BIO_puts(bio_err, "No Signed Receipts Recipients\n");
722	goto opthelp;
723	}
724
725	if (!(operation & SMIME_SIGNERS) && (rr_to != NULL \|\| rr_from != NULL)) {
726	BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
727	goto opthelp;
728	}
729	if (!(operation & SMIME_SIGNERS) && (skkeys != NULL \|\| sksigners != NULL)) {
730	BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
731	goto opthelp;
732	}
733
734	if ((flags & CMS_CADES) != 0) {
735	if ((flags & CMS_NOATTR) != 0) {
736	BIO_puts(bio_err, "Incompatible options: "
737	"CAdES requires signed attributes\n");
738	goto opthelp;
739	}
740	if (operation == SMIME_VERIFY
741	&& (flags & (CMS_NO_SIGNER_CERT_VERIFY \| CMS_NO_ATTR_VERIFY)) != 0) {
742	BIO_puts(bio_err, "Incompatible options: CAdES validation requires"
743	" certs and signed attributes validations\n");
744	goto opthelp;
745	}
746	}
747
748	if (operation & SMIME_SIGNERS) {
749	if (keyfile != NULL && signerfile == NULL) {
750	BIO_puts(bio_err, "Illegal -inkey without -signer\n");
751	goto opthelp;
752	}
753	/* Check to see if any final signer needs to be appended */
754	if (signerfile != NULL) {
755	if (sksigners == NULL
756	&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
757	goto end;
758	sk_OPENSSL_STRING_push(sksigners, signerfile);
759	if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
760	goto end;
761	if (keyfile == NULL)
762	keyfile = signerfile;
763	sk_OPENSSL_STRING_push(skkeys, keyfile);
764	}
765	if (sksigners == NULL) {
766	BIO_printf(bio_err, "No signer certificate specified\n");
767	goto opthelp;
768	}
769	signerfile = NULL;
770	keyfile = NULL;
771	} else if (operation == SMIME_DECRYPT) {
772	if (recipfile == NULL && keyfile == NULL
773	&& secret_key == NULL && pwri_pass == NULL) {
774	BIO_printf(bio_err,
775	"No recipient certificate or key specified\n");
776	goto opthelp;
777	}
778	} else if (operation == SMIME_ENCRYPT) {
779	if (*argv == NULL && secret_key == NULL
780	&& pwri_pass == NULL && sk_X509_num(encerts) <= 0) {
781	BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
782	goto opthelp;
783	}
784	} else if (!operation) {
785	BIO_printf(bio_err, "No operation option (-encrypt\|-decrypt\|-sign\|-verify\|...) specified.\n");
786	goto opthelp;
787	}
788
789	if (!app_passwd(passinarg, NULL, &passin, NULL)) {
790	BIO_printf(bio_err, "Error getting password\n");
791	goto end;
792	}
793
794	ret = 2;
795
796	if ((operation & SMIME_SIGNERS) == 0) {
797	if ((flags & CMS_DETACHED) == 0)
798	BIO_printf(bio_err,
799	"Warning: -nodetach option is ignored for non-signing operation\n");
800
801	flags &= ~CMS_DETACHED;
802	}
803	if ((operation & SMIME_IP) == 0 && contfile != NULL)
804	BIO_printf(bio_err,
805	"Warning: -contfile option is ignored for the given operation\n");
806	if (operation != SMIME_ENCRYPT && *argv != NULL)
807	BIO_printf(bio_err,
808	"Warning: recipient certificate file parameters ignored for operation other than -encrypt\n");
809
810	if ((flags & CMS_BINARY) != 0) {
811	if (!(operation & SMIME_OP))
812	outformat = FORMAT_BINARY;
813	if (!(operation & SMIME_IP))
814	informat = FORMAT_BINARY;
815	if ((operation & SMIME_SIGNERS) != 0 && (flags & CMS_DETACHED) != 0)
816	binary_files = 1;
817	if ((operation & SMIME_IP) != 0 && contfile == NULL)
818	binary_files = 1;
819	}
820
821	if (operation == SMIME_ENCRYPT) {
822	if (!cipher) {
823	#ifndef OPENSSL_NO_DES
824	cipher = (EVP_CIPHER *)EVP_des_ede3_cbc();
825	#else
826	BIO_printf(bio_err, "No cipher selected\n");
827	goto end;
828	#endif
829	}
830
831	if (secret_key && !secret_keyid) {
832	BIO_printf(bio_err, "No secret key id\n");
833	goto end;
834	}
835
836	for (; *argv != NULL; argv++) {
837	cert = load_cert(*argv, FORMAT_UNDEF,
838	"recipient certificate file");
839	if (cert == NULL)
840	goto end;
841	if (!sk_X509_push(encerts, cert))
842	goto end;
843	cert = NULL;
844	}
845	}
846
847	if (certfile != NULL) {
848	if (!load_certs(certfile, 0, &other, NULL, "certificate file")) {
849	ERR_print_errors(bio_err);
850	goto end;
851	}
852	}
853
854	if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
855	if ((recip = load_cert(recipfile, FORMAT_UNDEF,
856	"recipient certificate file")) == NULL) {
857	ERR_print_errors(bio_err);
858	goto end;
859	}
860	}
861
862	if (originatorfile != NULL) {
863	if ((originator = load_cert(originatorfile, FORMAT_UNDEF,
864	"originator certificate file")) == NULL) {
865	ERR_print_errors(bio_err);
866	goto end;
867	}
868	}
869
870	if (operation == SMIME_SIGN_RECEIPT) {
871	if ((signer = load_cert(signerfile, FORMAT_UNDEF,
872	"receipt signer certificate file")) == NULL) {
873	ERR_print_errors(bio_err);
874	goto end;
875	}
876	}
877
878	if ((operation == SMIME_DECRYPT) \|\| (operation == SMIME_ENCRYPT)) {
879	if (keyfile == NULL)
880	keyfile = recipfile;
881	} else if ((operation == SMIME_SIGN) \|\| (operation == SMIME_SIGN_RECEIPT)) {
882	if (keyfile == NULL)
883	keyfile = signerfile;
884	} else {
885	keyfile = NULL;
886	}
887
888	if (keyfile != NULL) {
889	key = load_key(keyfile, keyform, 0, passin, e, "signing key");
890	if (key == NULL)
891	goto end;
892	}
893
894	if (digesthex != NULL) {
895	if (operation != SMIME_SIGN) {
896	BIO_printf(bio_err,
897	"Cannot use -digest for non-signing operation\n");
898	goto end;
899	}
900	if (infile != NULL
901	\|\| (flags & CMS_DETACHED) == 0
902	\|\| (flags & CMS_STREAM) != 0) {
903	BIO_printf(bio_err,
904	"Cannot use -digest when -in, -nodetach or streaming is used\n");
905	goto end;
906	}
907	digestbin = OPENSSL_hexstr2buf(digesthex, &digestlen);
908	if (digestbin == NULL) {
909	BIO_printf(bio_err,
910	"Invalid hex value after -digest\n");
911	goto end;
912	}
913	} else {
914	in = bio_open_default(infile, 'r',
915	binary_files ? FORMAT_BINARY : informat);
916	if (in == NULL)
917	goto end;
918	}
919
920	if (operation & SMIME_IP) {
921	cms = load_content_info(informat, in, flags, &indata, "SMIME");
922	if (cms == NULL)
923	goto end;
924	if (contfile != NULL) {
925	BIO_free(indata);
926	if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
927	BIO_printf(bio_err, "Can't read content file %s\n", contfile);
928	goto end;
929	}
930	}
931	if (certsoutfile != NULL) {
932	STACK_OF(X509) *allcerts;
933	allcerts = CMS_get1_certs(cms);
934	if (!save_certs(certsoutfile, allcerts)) {
935	BIO_printf(bio_err,
936	"Error writing certs to %s\n", certsoutfile);
937	ret = 5;
938	goto end;
939	}
940	OSSL_STACK_OF_X509_free(allcerts);
941	}
942	}
943
944	if (rctfile != NULL) {
945	char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
946
947	if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
948	BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
949	goto end;
950	}
951
952	rcms = load_content_info(rctformat, rctin, 0, NULL, "receipt");
953	if (rcms == NULL)
954	goto end;
955	}
956
957	out = bio_open_default(outfile, 'w',
958	binary_files ? FORMAT_BINARY : outformat);
959	if (out == NULL)
960	goto end;
961
962	if ((operation == SMIME_VERIFY) \|\| (operation == SMIME_VERIFY_RECEIPT)) {
963	if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
964	CAstore, noCAstore)) == NULL)
965	goto end;
966	X509_STORE_set_verify_cb(store, cms_cb);
967	if (vpmtouched)
968	X509_STORE_set1_param(store, vpm);
969	}
970
971	ret = 3;
972
973	if (operation == SMIME_DATA_CREATE) {
974	cms = CMS_data_create_ex(in, flags, libctx, app_get0_propq());
975	} else if (operation == SMIME_DIGEST_CREATE) {
976	cms = CMS_digest_create_ex(in, sign_md, flags, libctx, app_get0_propq());
977	} else if (operation == SMIME_COMPRESS) {
978	cms = CMS_compress(in, -1, flags);
979	} else if (operation == SMIME_ENCRYPT) {
980	int i;
981	flags \|= CMS_PARTIAL;
982	cms = CMS_encrypt_ex(NULL, in, cipher, flags, libctx, app_get0_propq());
983	if (cms == NULL)
984	goto end;
985	for (i = 0; i < sk_X509_num(encerts); i++) {
986	CMS_RecipientInfo *ri;
987	cms_key_param *kparam;
988	int tflags = flags \| CMS_KEY_PARAM;
989	/* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */
990	EVP_PKEY_CTX *pctx;
991	X509 *x = sk_X509_value(encerts, i);
992	int res;
993
994	for (kparam = key_first; kparam; kparam = kparam->next) {
995	if (kparam->idx == i) {
996	break;
997	}
998	}
999	ri = CMS_add1_recipient(cms, x, key, originator, tflags);
1000	if (ri == NULL)
1001	goto end;
1002
1003	pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
1004	if (kparam != NULL) {
1005	if (!cms_set_pkey_param(pctx, kparam->param))
1006	goto end;
1007	}
1008
1009	res = EVP_PKEY_CTX_ctrl(pctx, -1, -1,
1010	EVP_PKEY_CTRL_CIPHER,
1011	EVP_CIPHER_get_nid(cipher), NULL);
1012	if (res <= 0 && res != -2)
1013	goto end;
1014
1015	if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
1016	&& wrap_cipher != NULL) {
1017	EVP_CIPHER_CTX *wctx;
1018	wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
1019	if (EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL) != 1)
1020	goto end;
1021	}
1022	}
1023
1024	if (secret_key != NULL) {
1025	if (!CMS_add0_recipient_key(cms, NID_undef,
1026	secret_key, secret_keylen,
1027	secret_keyid, secret_keyidlen,
1028	NULL, NULL, NULL))
1029	goto end;
1030	/* NULL these because call absorbs them */
1031	secret_key = NULL;
1032	secret_keyid = NULL;
1033	}
1034	if (pwri_pass != NULL) {
1035	pwri_tmp = (unsigned char )OPENSSL_strdup((char )pwri_pass);
1036	if (pwri_tmp == NULL)
1037	goto end;
1038	if (CMS_add0_recipient_password(cms,
1039	-1, NID_undef, NID_undef,
1040	pwri_tmp, -1, NULL) == NULL)
1041	goto end;
1042	pwri_tmp = NULL;
1043	}
1044	if (!(flags & CMS_STREAM)) {
1045	if (!CMS_final(cms, in, NULL, flags))
1046	goto end;
1047	}
1048	} else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
1049	cms = CMS_EncryptedData_encrypt_ex(in, cipher, secret_key,
1050	secret_keylen, flags, libctx, app_get0_propq());
1051
1052	} else if (operation == SMIME_SIGN_RECEIPT) {
1053	CMS_ContentInfo *srcms = NULL;
1054	STACK_OF(CMS_SignerInfo) *sis;
1055	CMS_SignerInfo *si;
1056	sis = CMS_get0_SignerInfos(cms);
1057	if (sis == NULL)
1058	goto end;
1059	si = sk_CMS_SignerInfo_value(sis, 0);
1060	srcms = CMS_sign_receipt(si, signer, key, other, flags);
1061	if (srcms == NULL)
1062	goto end;
1063	CMS_ContentInfo_free(cms);
1064	cms = srcms;
1065	} else if (operation & SMIME_SIGNERS) {
1066	int i;
1067	/*
1068	* If detached data content and not signing pre-computed digest, we
1069	* enable streaming if S/MIME output format.
1070	*/
1071	if (operation == SMIME_SIGN) {
1072
1073	if ((flags & CMS_DETACHED) != 0 && digestbin == NULL) {
1074	if (outformat == FORMAT_SMIME)
1075	flags \|= CMS_STREAM;
1076	}
1077	flags \|= CMS_PARTIAL;
1078	cms = CMS_sign_ex(NULL, NULL, other, in, flags, libctx, app_get0_propq());
1079	if (cms == NULL)
1080	goto end;
1081	if (econtent_type != NULL)
1082	CMS_set1_eContentType(cms, econtent_type);
1083
1084	if (rr_to != NULL
1085	&& ((rr = make_receipt_request(rr_to, rr_allorfirst, rr_from))
1086	== NULL)) {
1087	BIO_puts(bio_err, "Signed Receipt Request Creation Error\n");
1088	goto end;
1089	}
1090	} else {
1091	flags \|= CMS_REUSE_DIGEST;
1092	}
1093	for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
1094	CMS_SignerInfo *si;
1095	cms_key_param *kparam;
1096	int tflags = flags;
1097	signerfile = sk_OPENSSL_STRING_value(sksigners, i);
1098	keyfile = sk_OPENSSL_STRING_value(skkeys, i);
1099
1100	signer = load_cert(signerfile, FORMAT_UNDEF, "signer certificate");
1101	if (signer == NULL) {
1102	ret = 2;
1103	goto end;
1104	}
1105	key = load_key(keyfile, keyform, 0, passin, e, "signing key");
1106	if (key == NULL) {
1107	ret = 2;
1108	goto end;
1109	}
1110
1111	for (kparam = key_first; kparam; kparam = kparam->next) {
1112	if (kparam->idx == i) {
1113	tflags \|= CMS_KEY_PARAM;
1114	break;
1115	}
1116	}
1117	si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
1118	if (si == NULL)
1119	goto end;
1120	if (kparam != NULL) {
1121	EVP_PKEY_CTX *pctx;
1122	pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1123	if (!cms_set_pkey_param(pctx, kparam->param))
1124	goto end;
1125	}
1126	if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
1127	goto end;
1128	X509_free(signer);
1129	signer = NULL;
1130	EVP_PKEY_free(key);
1131	key = NULL;
1132	}
1133	/* If not streaming or resigning finalize structure */
1134	if (operation == SMIME_SIGN && digestbin != NULL
1135	&& (flags & CMS_STREAM) == 0) {
1136	/* Use pre-computed digest instead of content */
1137	if (!CMS_final_digest(cms, digestbin, digestlen, NULL, flags))
1138	goto end;
1139	} else if (operation == SMIME_SIGN && (flags & CMS_STREAM) == 0) {
1140	if (!CMS_final(cms, in, NULL, flags))
1141	goto end;
1142	}
1143	}
1144
1145	if (cms == NULL) {
1146	BIO_printf(bio_err, "Error creating CMS structure\n");
1147	goto end;
1148	}
1149
1150	ret = 4;
1151	if (operation == SMIME_DECRYPT) {
1152	if (flags & CMS_DEBUG_DECRYPT)
1153	CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1154
1155	if (secret_key != NULL) {
1156	if (!CMS_decrypt_set1_key(cms,
1157	secret_key, secret_keylen,
1158	secret_keyid, secret_keyidlen)) {
1159	BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1160	goto end;
1161	}
1162	}
1163
1164	if (key != NULL) {
1165	if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) {
1166	BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1167	goto end;
1168	}
1169	}
1170
1171	if (pwri_pass != NULL) {
1172	if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1173	BIO_puts(bio_err, "Error decrypting CMS using password\n");
1174	goto end;
1175	}
1176	}
1177
1178	if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1179	BIO_printf(bio_err, "Error decrypting CMS structure\n");
1180	goto end;
1181	}
1182	} else if (operation == SMIME_DATA_OUT) {
1183	if (!CMS_data(cms, out, flags))
1184	goto end;
1185	} else if (operation == SMIME_UNCOMPRESS) {
1186	if (!CMS_uncompress(cms, indata, out, flags))
1187	goto end;
1188	} else if (operation == SMIME_DIGEST_VERIFY) {
1189	if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1190	BIO_printf(bio_err, "Verification successful\n");
1191	} else {
1192	BIO_printf(bio_err, "Verification failure\n");
1193	goto end;
1194	}
1195	} else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1196	if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1197	indata, out, flags))
1198	goto end;
1199	} else if (operation == SMIME_VERIFY) {
1200	if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1201	BIO_printf(bio_err, "%s Verification successful\n",
1202	(flags & CMS_CADES) != 0 ? "CAdES" : "CMS");
1203	} else {
1204	BIO_printf(bio_err, "%s Verification failure\n",
1205	(flags & CMS_CADES) != 0 ? "CAdES" : "CMS");
1206	if (verify_retcode)
1207	ret = verify_err + 32;
1208	goto end;
1209	}
1210	if (signerfile != NULL) {
1211	STACK_OF(X509) *signers = CMS_get0_signers(cms);
1212
1213	if (!save_certs(signerfile, signers)) {
1214	BIO_printf(bio_err,
1215	"Error writing signers to %s\n", signerfile);
1216	ret = 5;
1217	goto end;
1218	}
1219	sk_X509_free(signers);
1220	}
1221	if (rr_print)
1222	receipt_request_print(cms);
1223
1224	} else if (operation == SMIME_VERIFY_RECEIPT) {
1225	if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1226	BIO_printf(bio_err, "Verification successful\n");
1227	} else {
1228	BIO_printf(bio_err, "Verification failure\n");
1229	goto end;
1230	}
1231	} else {
1232	if (noout) {
1233	if (print) {
1234	ASN1_PCTX *pctx = NULL;
1235	if (get_nameopt() != XN_FLAG_ONELINE) {
1236	pctx = ASN1_PCTX_new();
1237	if (pctx != NULL) { /* Print anyway if malloc failed */
1238	ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT);
1239	ASN1_PCTX_set_str_flags(pctx, get_nameopt());
1240	ASN1_PCTX_set_nm_flags(pctx, get_nameopt());
1241	}
1242	}
1243	CMS_ContentInfo_print_ctx(out, cms, 0, pctx);
1244	ASN1_PCTX_free(pctx);
1245	}
1246	} else if (outformat == FORMAT_SMIME) {
1247	if (to)
1248	BIO_printf(out, "To: %s%s", to, mime_eol);
1249	if (from)
1250	BIO_printf(out, "From: %s%s", from, mime_eol);
1251	if (subject)
1252	BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1253	if (operation == SMIME_RESIGN)
1254	ret = SMIME_write_CMS(out, cms, indata, flags);
1255	else
1256	ret = SMIME_write_CMS(out, cms, in, flags);
1257	} else if (outformat == FORMAT_PEM) {
1258	ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1259	} else if (outformat == FORMAT_ASN1) {
1260	ret = i2d_CMS_bio_stream(out, cms, in, flags);
1261	} else {
1262	BIO_printf(bio_err, "Bad output format for CMS file\n");
1263	goto end;
1264	}
1265	if (ret <= 0) {
1266	ret = 6;
1267	goto end;
1268	}
1269	}
1270	ret = 0;
1271	end:
1272	if (ret)
1273	ERR_print_errors(bio_err);
1274	OSSL_STACK_OF_X509_free(encerts);
1275	OSSL_STACK_OF_X509_free(other);
1276	X509_VERIFY_PARAM_free(vpm);
1277	sk_OPENSSL_STRING_free(sksigners);
1278	sk_OPENSSL_STRING_free(skkeys);
1279	OPENSSL_free(secret_key);
1280	OPENSSL_free(secret_keyid);
1281	OPENSSL_free(pwri_tmp);
1282	ASN1_OBJECT_free(econtent_type);
1283	CMS_ReceiptRequest_free(rr);
1284	sk_OPENSSL_STRING_free(rr_to);
1285	sk_OPENSSL_STRING_free(rr_from);
1286	for (key_param = key_first; key_param;) {
1287	cms_key_param *tparam;
1288	sk_OPENSSL_STRING_free(key_param->param);
1289	tparam = key_param->next;
1290	OPENSSL_free(key_param);
1291	key_param = tparam;
1292	}
1293	X509_STORE_free(store);
1294	X509_free(cert);
1295	X509_free(recip);
1296	X509_free(signer);
1297	EVP_PKEY_free(key);
1298	EVP_CIPHER_free(cipher);
1299	EVP_CIPHER_free(wrap_cipher);
1300	EVP_MD_free(sign_md);
1301	CMS_ContentInfo_free(cms);
1302	CMS_ContentInfo_free(rcms);
1303	release_engine(e);
1304	BIO_free(rctin);
1305	BIO_free(in);
1306	BIO_free(indata);
1307	BIO_free_all(out);
1308	OPENSSL_free(digestbin);
1309	OPENSSL_free(passin);
1310	NCONF_free(conf);
1311	return ret;
1312	}
1313
1314	static int save_certs(char signerfile, STACK_OF(X509) signers)
1315	{
1316	int i;
1317	BIO *tmp;
1318	if (signerfile == NULL)
1319	return 1;
1320	tmp = BIO_new_file(signerfile, "w");
1321	if (tmp == NULL)
1322	return 0;
1323	for (i = 0; i < sk_X509_num(signers); i++)
1324	PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1325	BIO_free(tmp);
1326	return 1;
1327	}
1328
1329	/* Minimal callback just to output policy info (if any) */
1330
1331	static int cms_cb(int ok, X509_STORE_CTX *ctx)
1332	{
1333	int error;
1334
1335	error = X509_STORE_CTX_get_error(ctx);
1336
1337	verify_err = error;
1338
1339	if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1340	&& ((error != X509_V_OK) \|\| (ok != 2)))
1341	return ok;
1342
1343	policies_print(ctx);
1344
1345	return ok;
1346
1347	}
1348
1349	static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1350	{
1351	STACK_OF(GENERAL_NAME) *gens;
1352	GENERAL_NAME *gen;
1353	int i, j;
1354
1355	for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1356	gens = sk_GENERAL_NAMES_value(gns, i);
1357	for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1358	gen = sk_GENERAL_NAME_value(gens, j);
1359	BIO_puts(bio_err, " ");
1360	GENERAL_NAME_print(bio_err, gen);
1361	BIO_puts(bio_err, "\n");
1362	}
1363	}
1364	return;
1365	}
1366
1367	static void receipt_request_print(CMS_ContentInfo *cms)
1368	{
1369	STACK_OF(CMS_SignerInfo) *sis;
1370	CMS_SignerInfo *si;
1371	CMS_ReceiptRequest *rr;
1372	int allorfirst;
1373	STACK_OF(GENERAL_NAMES) rto, rlist;
1374	ASN1_STRING *scid;
1375	int i, rv;
1376	sis = CMS_get0_SignerInfos(cms);
1377	for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1378	si = sk_CMS_SignerInfo_value(sis, i);
1379	rv = CMS_get1_ReceiptRequest(si, &rr);
1380	BIO_printf(bio_err, "Signer %d:\n", i + 1);
1381	if (rv == 0) {
1382	BIO_puts(bio_err, " No Receipt Request\n");
1383	} else if (rv < 0) {
1384	BIO_puts(bio_err, " Receipt Request Parse Error\n");
1385	ERR_print_errors(bio_err);
1386	} else {
1387	const char *id;
1388	int idlen;
1389	CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1390	&rlist, &rto);
1391	BIO_puts(bio_err, " Signed Content ID:\n");
1392	idlen = ASN1_STRING_length(scid);
1393	id = (const char *)ASN1_STRING_get0_data(scid);
1394	BIO_dump_indent(bio_err, id, idlen, 4);
1395	BIO_puts(bio_err, " Receipts From");
1396	if (rlist != NULL) {
1397	BIO_puts(bio_err, " List:\n");
1398	gnames_stack_print(rlist);
1399	} else if (allorfirst == 1) {
1400	BIO_puts(bio_err, ": First Tier\n");
1401	} else if (allorfirst == 0) {
1402	BIO_puts(bio_err, ": All\n");
1403	} else {
1404	BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1405	}
1406	BIO_puts(bio_err, " Receipts To:\n");
1407	gnames_stack_print(rto);
1408	}
1409	CMS_ReceiptRequest_free(rr);
1410	}
1411	}
1412
1413	static STACK_OF(GENERAL_NAMES) make_names_stack(STACK_OF(OPENSSL_STRING) ns)
1414	{
1415	int i;
1416	STACK_OF(GENERAL_NAMES) *ret;
1417	GENERAL_NAMES *gens = NULL;
1418	GENERAL_NAME *gen = NULL;
1419	ret = sk_GENERAL_NAMES_new_null();
1420	if (ret == NULL)
1421	goto err;
1422	for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1423	char *str = sk_OPENSSL_STRING_value(ns, i);
1424	gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1425	if (gen == NULL)
1426	goto err;
1427	gens = GENERAL_NAMES_new();
1428	if (gens == NULL)
1429	goto err;
1430	if (!sk_GENERAL_NAME_push(gens, gen))
1431	goto err;
1432	gen = NULL;
1433	if (!sk_GENERAL_NAMES_push(ret, gens))
1434	goto err;
1435	gens = NULL;
1436	}
1437
1438	return ret;
1439
1440	err:
1441	sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1442	GENERAL_NAMES_free(gens);
1443	GENERAL_NAME_free(gen);
1444	return NULL;
1445	}
1446
1447	static CMS_ReceiptRequest
1448	make_receipt_request(STACK_OF(OPENSSL_STRING) rr_to, int rr_allorfirst,
1449	STACK_OF(OPENSSL_STRING) *rr_from)
1450	{
1451	STACK_OF(GENERAL_NAMES) rct_to = NULL, rct_from = NULL;
1452	CMS_ReceiptRequest *rr;
1453
1454	rct_to = make_names_stack(rr_to);
1455	if (rct_to == NULL)
1456	goto err;
1457	if (rr_from != NULL) {
1458	rct_from = make_names_stack(rr_from);
1459	if (rct_from == NULL)
1460	goto err;
1461	} else {
1462	rct_from = NULL;
1463	}
1464	rr = CMS_ReceiptRequest_create0_ex(NULL, -1, rr_allorfirst, rct_from,
1465	rct_to, app_get0_libctx());
1466	if (rr == NULL)
1467	goto err;
1468	return rr;
1469	err:
1470	sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1471	sk_GENERAL_NAMES_pop_free(rct_from, GENERAL_NAMES_free);
1472	return NULL;
1473	}
1474
1475	static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1476	STACK_OF(OPENSSL_STRING) *param)
1477	{
1478	char *keyopt;
1479	int i;
1480	if (sk_OPENSSL_STRING_num(param) <= 0)
1481	return 1;
1482	for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1483	keyopt = sk_OPENSSL_STRING_value(param, i);
1484	if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1485	BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1486	ERR_print_errors(bio_err);
1487	return 0;
1488	}
1489	}
1490	return 1;
1491	}

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source: vbox/trunk/src/libs/openssl-3.3.2/apps/cms.c

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