cms.c revision 331638
1/* apps/cms.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
4 * project.
5 */
6/* ====================================================================
7 * Copyright (c) 2008-2018 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 */
54
55/* CMS utility function */
56
57#include <stdio.h>
58#include <string.h>
59#include "apps.h"
60
61#ifndef OPENSSL_NO_CMS
62
63# include <openssl/crypto.h>
64# include <openssl/pem.h>
65# include <openssl/err.h>
66# include <openssl/x509_vfy.h>
67# include <openssl/x509v3.h>
68# include <openssl/cms.h>
69
70# undef PROG
71# define PROG cms_main
72static int save_certs(char *signerfile, STACK_OF(X509) *signers);
73static int cms_cb(int ok, X509_STORE_CTX *ctx);
74static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
75static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
76                                                *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
77                                                *rr_from);
78static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
79                              STACK_OF(OPENSSL_STRING) *param);
80
81# define SMIME_OP        0x10
82# define SMIME_IP        0x20
83# define SMIME_SIGNERS   0x40
84# define SMIME_ENCRYPT           (1 | SMIME_OP)
85# define SMIME_DECRYPT           (2 | SMIME_IP)
86# define SMIME_SIGN              (3 | SMIME_OP | SMIME_SIGNERS)
87# define SMIME_VERIFY            (4 | SMIME_IP)
88# define SMIME_CMSOUT            (5 | SMIME_IP | SMIME_OP)
89# define SMIME_RESIGN            (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
90# define SMIME_DATAOUT           (7 | SMIME_IP)
91# define SMIME_DATA_CREATE       (8 | SMIME_OP)
92# define SMIME_DIGEST_VERIFY     (9 | SMIME_IP)
93# define SMIME_DIGEST_CREATE     (10 | SMIME_OP)
94# define SMIME_UNCOMPRESS        (11 | SMIME_IP)
95# define SMIME_COMPRESS          (12 | SMIME_OP)
96# define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
97# define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
98# define SMIME_SIGN_RECEIPT      (15 | SMIME_IP | SMIME_OP)
99# define SMIME_VERIFY_RECEIPT    (16 | SMIME_IP)
100
101int verify_err = 0;
102
103typedef struct cms_key_param_st cms_key_param;
104
105struct cms_key_param_st {
106    int idx;
107    STACK_OF(OPENSSL_STRING) *param;
108    cms_key_param *next;
109};
110
111int MAIN(int, char **);
112
113int MAIN(int argc, char **argv)
114{
115    ENGINE *e = NULL;
116    int operation = 0;
117    int ret = 0;
118    char **args;
119    const char *inmode = "r", *outmode = "w";
120    char *infile = NULL, *outfile = NULL, *rctfile = NULL;
121    char *signerfile = NULL, *recipfile = NULL;
122    STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
123    char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
124    char *certsoutfile = NULL;
125    const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
126    CMS_ContentInfo *cms = NULL, *rcms = NULL;
127    X509_STORE *store = NULL;
128    X509 *cert = NULL, *recip = NULL, *signer = NULL;
129    EVP_PKEY *key = NULL;
130    STACK_OF(X509) *encerts = NULL, *other = NULL;
131    BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
132    int badarg = 0;
133    int flags = CMS_DETACHED, noout = 0, print = 0;
134    int verify_retcode = 0;
135    int rr_print = 0, rr_allorfirst = -1;
136    STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
137    CMS_ReceiptRequest *rr = NULL;
138    char *to = NULL, *from = NULL, *subject = NULL;
139    char *CAfile = NULL, *CApath = NULL;
140    char *passargin = NULL, *passin = NULL;
141    char *inrand = NULL;
142    int need_rand = 0;
143    const EVP_MD *sign_md = NULL;
144    int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
145    int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
146    char *engine = NULL;
147    unsigned char *secret_key = NULL, *secret_keyid = NULL;
148    unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
149    size_t secret_keylen = 0, secret_keyidlen = 0;
150
151    cms_key_param *key_first = NULL, *key_param = NULL;
152
153    ASN1_OBJECT *econtent_type = NULL;
154
155    X509_VERIFY_PARAM *vpm = NULL;
156
157    args = argv + 1;
158    ret = 1;
159
160    apps_startup();
161
162    if (bio_err == NULL) {
163        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
164            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
165    }
166
167    if (!load_config(bio_err, NULL))
168        goto end;
169
170    while (!badarg && *args && *args[0] == '-') {
171        if (!strcmp(*args, "-encrypt"))
172            operation = SMIME_ENCRYPT;
173        else if (!strcmp(*args, "-decrypt"))
174            operation = SMIME_DECRYPT;
175        else if (!strcmp(*args, "-sign"))
176            operation = SMIME_SIGN;
177        else if (!strcmp(*args, "-sign_receipt"))
178            operation = SMIME_SIGN_RECEIPT;
179        else if (!strcmp(*args, "-resign"))
180            operation = SMIME_RESIGN;
181        else if (!strcmp(*args, "-verify"))
182            operation = SMIME_VERIFY;
183        else if (!strcmp(*args, "-verify_retcode"))
184            verify_retcode = 1;
185        else if (!strcmp(*args, "-verify_receipt")) {
186            operation = SMIME_VERIFY_RECEIPT;
187            if (!args[1])
188                goto argerr;
189            args++;
190            rctfile = *args;
191        } else if (!strcmp(*args, "-cmsout"))
192            operation = SMIME_CMSOUT;
193        else if (!strcmp(*args, "-data_out"))
194            operation = SMIME_DATAOUT;
195        else if (!strcmp(*args, "-data_create"))
196            operation = SMIME_DATA_CREATE;
197        else if (!strcmp(*args, "-digest_verify"))
198            operation = SMIME_DIGEST_VERIFY;
199        else if (!strcmp(*args, "-digest_create"))
200            operation = SMIME_DIGEST_CREATE;
201        else if (!strcmp(*args, "-compress"))
202            operation = SMIME_COMPRESS;
203        else if (!strcmp(*args, "-uncompress"))
204            operation = SMIME_UNCOMPRESS;
205        else if (!strcmp(*args, "-EncryptedData_decrypt"))
206            operation = SMIME_ENCRYPTED_DECRYPT;
207        else if (!strcmp(*args, "-EncryptedData_encrypt"))
208            operation = SMIME_ENCRYPTED_ENCRYPT;
209# ifndef OPENSSL_NO_DES
210        else if (!strcmp(*args, "-des3"))
211            cipher = EVP_des_ede3_cbc();
212        else if (!strcmp(*args, "-des"))
213            cipher = EVP_des_cbc();
214        else if (!strcmp(*args, "-des3-wrap"))
215            wrap_cipher = EVP_des_ede3_wrap();
216# endif
217# ifndef OPENSSL_NO_SEED
218        else if (!strcmp(*args, "-seed"))
219            cipher = EVP_seed_cbc();
220# endif
221# ifndef OPENSSL_NO_RC2
222        else if (!strcmp(*args, "-rc2-40"))
223            cipher = EVP_rc2_40_cbc();
224        else if (!strcmp(*args, "-rc2-128"))
225            cipher = EVP_rc2_cbc();
226        else if (!strcmp(*args, "-rc2-64"))
227            cipher = EVP_rc2_64_cbc();
228# endif
229# ifndef OPENSSL_NO_AES
230        else if (!strcmp(*args, "-aes128"))
231            cipher = EVP_aes_128_cbc();
232        else if (!strcmp(*args, "-aes192"))
233            cipher = EVP_aes_192_cbc();
234        else if (!strcmp(*args, "-aes256"))
235            cipher = EVP_aes_256_cbc();
236        else if (!strcmp(*args, "-aes128-wrap"))
237            wrap_cipher = EVP_aes_128_wrap();
238        else if (!strcmp(*args, "-aes192-wrap"))
239            wrap_cipher = EVP_aes_192_wrap();
240        else if (!strcmp(*args, "-aes256-wrap"))
241            wrap_cipher = EVP_aes_256_wrap();
242# endif
243# ifndef OPENSSL_NO_CAMELLIA
244        else if (!strcmp(*args, "-camellia128"))
245            cipher = EVP_camellia_128_cbc();
246        else if (!strcmp(*args, "-camellia192"))
247            cipher = EVP_camellia_192_cbc();
248        else if (!strcmp(*args, "-camellia256"))
249            cipher = EVP_camellia_256_cbc();
250# endif
251        else if (!strcmp(*args, "-debug_decrypt"))
252            flags |= CMS_DEBUG_DECRYPT;
253        else if (!strcmp(*args, "-text"))
254            flags |= CMS_TEXT;
255        else if (!strcmp(*args, "-nointern"))
256            flags |= CMS_NOINTERN;
257        else if (!strcmp(*args, "-noverify")
258                 || !strcmp(*args, "-no_signer_cert_verify"))
259            flags |= CMS_NO_SIGNER_CERT_VERIFY;
260        else if (!strcmp(*args, "-nocerts"))
261            flags |= CMS_NOCERTS;
262        else if (!strcmp(*args, "-noattr"))
263            flags |= CMS_NOATTR;
264        else if (!strcmp(*args, "-nodetach"))
265            flags &= ~CMS_DETACHED;
266        else if (!strcmp(*args, "-nosmimecap"))
267            flags |= CMS_NOSMIMECAP;
268        else if (!strcmp(*args, "-binary"))
269            flags |= CMS_BINARY;
270        else if (!strcmp(*args, "-keyid"))
271            flags |= CMS_USE_KEYID;
272        else if (!strcmp(*args, "-nosigs"))
273            flags |= CMS_NOSIGS;
274        else if (!strcmp(*args, "-no_content_verify"))
275            flags |= CMS_NO_CONTENT_VERIFY;
276        else if (!strcmp(*args, "-no_attr_verify"))
277            flags |= CMS_NO_ATTR_VERIFY;
278        else if (!strcmp(*args, "-stream"))
279            flags |= CMS_STREAM;
280        else if (!strcmp(*args, "-indef"))
281            flags |= CMS_STREAM;
282        else if (!strcmp(*args, "-noindef"))
283            flags &= ~CMS_STREAM;
284        else if (!strcmp(*args, "-nooldmime"))
285            flags |= CMS_NOOLDMIMETYPE;
286        else if (!strcmp(*args, "-crlfeol"))
287            flags |= CMS_CRLFEOL;
288        else if (!strcmp(*args, "-noout"))
289            noout = 1;
290        else if (!strcmp(*args, "-receipt_request_print"))
291            rr_print = 1;
292        else if (!strcmp(*args, "-receipt_request_all"))
293            rr_allorfirst = 0;
294        else if (!strcmp(*args, "-receipt_request_first"))
295            rr_allorfirst = 1;
296        else if (!strcmp(*args, "-receipt_request_from")) {
297            if (!args[1])
298                goto argerr;
299            args++;
300            if (!rr_from)
301                rr_from = sk_OPENSSL_STRING_new_null();
302            sk_OPENSSL_STRING_push(rr_from, *args);
303        } else if (!strcmp(*args, "-receipt_request_to")) {
304            if (!args[1])
305                goto argerr;
306            args++;
307            if (!rr_to)
308                rr_to = sk_OPENSSL_STRING_new_null();
309            sk_OPENSSL_STRING_push(rr_to, *args);
310        } else if (!strcmp(*args, "-print")) {
311            noout = 1;
312            print = 1;
313        } else if (!strcmp(*args, "-secretkey")) {
314            long ltmp;
315            if (!args[1])
316                goto argerr;
317            args++;
318            secret_key = string_to_hex(*args, &ltmp);
319            if (!secret_key) {
320                BIO_printf(bio_err, "Invalid key %s\n", *args);
321                goto argerr;
322            }
323            secret_keylen = (size_t)ltmp;
324        } else if (!strcmp(*args, "-secretkeyid")) {
325            long ltmp;
326            if (!args[1])
327                goto argerr;
328            args++;
329            secret_keyid = string_to_hex(*args, &ltmp);
330            if (!secret_keyid) {
331                BIO_printf(bio_err, "Invalid id %s\n", *args);
332                goto argerr;
333            }
334            secret_keyidlen = (size_t)ltmp;
335        } else if (!strcmp(*args, "-pwri_password")) {
336            if (!args[1])
337                goto argerr;
338            args++;
339            pwri_pass = (unsigned char *)*args;
340        } else if (!strcmp(*args, "-econtent_type")) {
341            if (!args[1])
342                goto argerr;
343            args++;
344            econtent_type = OBJ_txt2obj(*args, 0);
345            if (!econtent_type) {
346                BIO_printf(bio_err, "Invalid OID %s\n", *args);
347                goto argerr;
348            }
349        } else if (!strcmp(*args, "-rand")) {
350            if (!args[1])
351                goto argerr;
352            args++;
353            inrand = *args;
354            need_rand = 1;
355        }
356# ifndef OPENSSL_NO_ENGINE
357        else if (!strcmp(*args, "-engine")) {
358            if (!args[1])
359                goto argerr;
360            engine = *++args;
361        }
362# endif
363        else if (!strcmp(*args, "-passin")) {
364            if (!args[1])
365                goto argerr;
366            passargin = *++args;
367        } else if (!strcmp(*args, "-to")) {
368            if (!args[1])
369                goto argerr;
370            to = *++args;
371        } else if (!strcmp(*args, "-from")) {
372            if (!args[1])
373                goto argerr;
374            from = *++args;
375        } else if (!strcmp(*args, "-subject")) {
376            if (!args[1])
377                goto argerr;
378            subject = *++args;
379        } else if (!strcmp(*args, "-signer")) {
380            if (!args[1])
381                goto argerr;
382            /* If previous -signer argument add signer to list */
383
384            if (signerfile) {
385                if (!sksigners)
386                    sksigners = sk_OPENSSL_STRING_new_null();
387                sk_OPENSSL_STRING_push(sksigners, signerfile);
388                if (!keyfile)
389                    keyfile = signerfile;
390                if (!skkeys)
391                    skkeys = sk_OPENSSL_STRING_new_null();
392                sk_OPENSSL_STRING_push(skkeys, keyfile);
393                keyfile = NULL;
394            }
395            signerfile = *++args;
396        } else if (!strcmp(*args, "-recip")) {
397            if (!args[1])
398                goto argerr;
399            if (operation == SMIME_ENCRYPT) {
400                if (!encerts)
401                    encerts = sk_X509_new_null();
402                cert = load_cert(bio_err, *++args, FORMAT_PEM,
403                                 NULL, e, "recipient certificate file");
404                if (!cert)
405                    goto end;
406                sk_X509_push(encerts, cert);
407                cert = NULL;
408            } else
409                recipfile = *++args;
410        } else if (!strcmp(*args, "-certsout")) {
411            if (!args[1])
412                goto argerr;
413            certsoutfile = *++args;
414        } else if (!strcmp(*args, "-md")) {
415            if (!args[1])
416                goto argerr;
417            sign_md = EVP_get_digestbyname(*++args);
418            if (sign_md == NULL) {
419                BIO_printf(bio_err, "Unknown digest %s\n", *args);
420                goto argerr;
421            }
422        } else if (!strcmp(*args, "-inkey")) {
423            if (!args[1])
424                goto argerr;
425            /* If previous -inkey arument add signer to list */
426            if (keyfile) {
427                if (!signerfile) {
428                    BIO_puts(bio_err, "Illegal -inkey without -signer\n");
429                    goto argerr;
430                }
431                if (!sksigners)
432                    sksigners = sk_OPENSSL_STRING_new_null();
433                sk_OPENSSL_STRING_push(sksigners, signerfile);
434                signerfile = NULL;
435                if (!skkeys)
436                    skkeys = sk_OPENSSL_STRING_new_null();
437                sk_OPENSSL_STRING_push(skkeys, keyfile);
438            }
439            keyfile = *++args;
440        } else if (!strcmp(*args, "-keyform")) {
441            if (!args[1])
442                goto argerr;
443            keyform = str2fmt(*++args);
444        } else if (!strcmp(*args, "-keyopt")) {
445            int keyidx = -1;
446            if (!args[1])
447                goto argerr;
448            if (operation == SMIME_ENCRYPT) {
449                if (encerts)
450                    keyidx += sk_X509_num(encerts);
451            } else {
452                if (keyfile || signerfile)
453                    keyidx++;
454                if (skkeys)
455                    keyidx += sk_OPENSSL_STRING_num(skkeys);
456            }
457            if (keyidx < 0) {
458                BIO_printf(bio_err, "No key specified\n");
459                goto argerr;
460            }
461            if (key_param == NULL || key_param->idx != keyidx) {
462                cms_key_param *nparam;
463                nparam = OPENSSL_malloc(sizeof(cms_key_param));
464                if (!nparam) {
465                    BIO_printf(bio_err, "Out of memory\n");
466                    goto argerr;
467                }
468                nparam->idx = keyidx;
469                nparam->param = sk_OPENSSL_STRING_new_null();
470                nparam->next = NULL;
471                if (key_first == NULL)
472                    key_first = nparam;
473                else
474                    key_param->next = nparam;
475                key_param = nparam;
476            }
477            sk_OPENSSL_STRING_push(key_param->param, *++args);
478        } else if (!strcmp(*args, "-rctform")) {
479            if (!args[1])
480                goto argerr;
481            rctformat = str2fmt(*++args);
482        } else if (!strcmp(*args, "-certfile")) {
483            if (!args[1])
484                goto argerr;
485            certfile = *++args;
486        } else if (!strcmp(*args, "-CAfile")) {
487            if (!args[1])
488                goto argerr;
489            CAfile = *++args;
490        } else if (!strcmp(*args, "-CApath")) {
491            if (!args[1])
492                goto argerr;
493            CApath = *++args;
494        } else if (!strcmp(*args, "-in")) {
495            if (!args[1])
496                goto argerr;
497            infile = *++args;
498        } else if (!strcmp(*args, "-inform")) {
499            if (!args[1])
500                goto argerr;
501            informat = str2fmt(*++args);
502        } else if (!strcmp(*args, "-outform")) {
503            if (!args[1])
504                goto argerr;
505            outformat = str2fmt(*++args);
506        } else if (!strcmp(*args, "-out")) {
507            if (!args[1])
508                goto argerr;
509            outfile = *++args;
510        } else if (!strcmp(*args, "-content")) {
511            if (!args[1])
512                goto argerr;
513            contfile = *++args;
514        } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
515            continue;
516        else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
517            badarg = 1;
518        args++;
519    }
520
521    if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
522        BIO_puts(bio_err, "No Signed Receipts Recipients\n");
523        goto argerr;
524    }
525
526    if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
527        BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
528        goto argerr;
529    }
530    if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
531        BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
532        goto argerr;
533    }
534
535    if (operation & SMIME_SIGNERS) {
536        if (keyfile && !signerfile) {
537            BIO_puts(bio_err, "Illegal -inkey without -signer\n");
538            goto argerr;
539        }
540        /* Check to see if any final signer needs to be appended */
541        if (signerfile) {
542            if (!sksigners)
543                sksigners = sk_OPENSSL_STRING_new_null();
544            sk_OPENSSL_STRING_push(sksigners, signerfile);
545            if (!skkeys)
546                skkeys = sk_OPENSSL_STRING_new_null();
547            if (!keyfile)
548                keyfile = signerfile;
549            sk_OPENSSL_STRING_push(skkeys, keyfile);
550        }
551        if (!sksigners) {
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        if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
562            BIO_printf(bio_err,
563                       "No recipient certificate or key specified\n");
564            badarg = 1;
565        }
566    } else if (operation == SMIME_ENCRYPT) {
567        if (!*args && !secret_key && !pwri_pass && !encerts) {
568            BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
569            badarg = 1;
570        }
571        need_rand = 1;
572    } else if (!operation)
573        badarg = 1;
574
575    if (badarg) {
576 argerr:
577        BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n");
578        BIO_printf(bio_err, "where options are\n");
579        BIO_printf(bio_err, "-encrypt       encrypt message\n");
580        BIO_printf(bio_err, "-decrypt       decrypt encrypted message\n");
581        BIO_printf(bio_err, "-sign          sign message\n");
582        BIO_printf(bio_err, "-verify        verify signed message\n");
583        BIO_printf(bio_err, "-cmsout        output CMS structure\n");
584# ifndef OPENSSL_NO_DES
585        BIO_printf(bio_err, "-des3          encrypt with triple DES\n");
586        BIO_printf(bio_err, "-des           encrypt with DES\n");
587# endif
588# ifndef OPENSSL_NO_SEED
589        BIO_printf(bio_err, "-seed          encrypt with SEED\n");
590# endif
591# ifndef OPENSSL_NO_RC2
592        BIO_printf(bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
593        BIO_printf(bio_err, "-rc2-64        encrypt with RC2-64\n");
594        BIO_printf(bio_err, "-rc2-128       encrypt with RC2-128\n");
595# endif
596# ifndef OPENSSL_NO_AES
597        BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
598        BIO_printf(bio_err,
599                   "               encrypt PEM output with cbc aes\n");
600# endif
601# ifndef OPENSSL_NO_CAMELLIA
602        BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
603        BIO_printf(bio_err,
604                   "               encrypt PEM output with cbc camellia\n");
605# endif
606        BIO_printf(bio_err,
607                   "-nointern      don't search certificates in message for signer\n");
608        BIO_printf(bio_err,
609                   "-nosigs        don't verify message signature\n");
610        BIO_printf(bio_err,
611                   "-noverify      don't verify signers certificate\n");
612        BIO_printf(bio_err,
613                   "-nocerts       don't include signers certificate when signing\n");
614        BIO_printf(bio_err, "-nodetach      use opaque signing\n");
615        BIO_printf(bio_err,
616                   "-noattr        don't include any signed attributes\n");
617        BIO_printf(bio_err,
618                   "-binary        don't translate message to text\n");
619        BIO_printf(bio_err, "-certfile file other certificates file\n");
620        BIO_printf(bio_err, "-certsout file certificate output file\n");
621        BIO_printf(bio_err, "-signer file   signer certificate file\n");
622        BIO_printf(bio_err,
623                   "-recip  file   recipient certificate file for decryption\n");
624        BIO_printf(bio_err, "-keyid         use subject key identifier\n");
625        BIO_printf(bio_err, "-in file       input file\n");
626        BIO_printf(bio_err,
627                   "-inform arg    input format SMIME (default), PEM or DER\n");
628        BIO_printf(bio_err,
629                   "-inkey file    input private key (if not signer or recipient)\n");
630        BIO_printf(bio_err,
631                   "-keyform arg   input private key format (PEM or ENGINE)\n");
632        BIO_printf(bio_err, "-keyopt nm:v   set public key parameters\n");
633        BIO_printf(bio_err, "-out file      output file\n");
634        BIO_printf(bio_err,
635                   "-outform arg   output format SMIME (default), PEM or DER\n");
636        BIO_printf(bio_err,
637                   "-content file  supply or override content for detached signature\n");
638        BIO_printf(bio_err, "-to addr       to address\n");
639        BIO_printf(bio_err, "-from ad       from address\n");
640        BIO_printf(bio_err, "-subject s     subject\n");
641        BIO_printf(bio_err,
642                   "-text          include or delete text MIME headers\n");
643        BIO_printf(bio_err,
644                   "-CApath dir    trusted certificates directory\n");
645        BIO_printf(bio_err, "-CAfile file   trusted certificates file\n");
646        BIO_printf(bio_err,
647                   "-no_alt_chains only ever use the first certificate chain found\n");
648        BIO_printf(bio_err,
649                   "-crl_check     check revocation status of signer's certificate using CRLs\n");
650        BIO_printf(bio_err,
651                   "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
652# ifndef OPENSSL_NO_ENGINE
653        BIO_printf(bio_err,
654                   "-engine e      use engine e, possibly a hardware device.\n");
655# endif
656        BIO_printf(bio_err, "-passin arg    input file pass phrase source\n");
657        BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
658                   LIST_SEPARATOR_CHAR);
659        BIO_printf(bio_err,
660                   "               load the file (or the files in the directory) into\n");
661        BIO_printf(bio_err, "               the random number generator\n");
662        BIO_printf(bio_err,
663                   "cert.pem       recipient certificate(s) for encryption\n");
664        goto end;
665    }
666    e = setup_engine(bio_err, engine, 0);
667
668    if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
669        BIO_printf(bio_err, "Error getting password\n");
670        goto end;
671    }
672
673    if (need_rand) {
674        app_RAND_load_file(NULL, bio_err, (inrand != NULL));
675        if (inrand != NULL)
676            BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
677                       app_RAND_load_files(inrand));
678    }
679
680    ret = 2;
681
682    if (!(operation & SMIME_SIGNERS))
683        flags &= ~CMS_DETACHED;
684
685    if (operation & SMIME_OP) {
686        if (outformat == FORMAT_ASN1)
687            outmode = "wb";
688    } else {
689        if (flags & CMS_BINARY)
690            outmode = "wb";
691    }
692
693    if (operation & SMIME_IP) {
694        if (informat == FORMAT_ASN1)
695            inmode = "rb";
696    } else {
697        if (flags & CMS_BINARY)
698            inmode = "rb";
699    }
700
701    if (operation == SMIME_ENCRYPT) {
702        if (!cipher) {
703# ifndef OPENSSL_NO_DES
704            cipher = EVP_des_ede3_cbc();
705# else
706            BIO_printf(bio_err, "No cipher selected\n");
707            goto end;
708# endif
709        }
710
711        if (secret_key && !secret_keyid) {
712            BIO_printf(bio_err, "No secret key id\n");
713            goto end;
714        }
715
716        if (*args && !encerts)
717            encerts = sk_X509_new_null();
718        while (*args) {
719            if (!(cert = load_cert(bio_err, *args, FORMAT_PEM,
720                                   NULL, e, "recipient certificate file")))
721                goto end;
722            sk_X509_push(encerts, cert);
723            cert = NULL;
724            args++;
725        }
726    }
727
728    if (certfile) {
729        if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL,
730                                 e, "certificate file"))) {
731            ERR_print_errors(bio_err);
732            goto end;
733        }
734    }
735
736    if (recipfile && (operation == SMIME_DECRYPT)) {
737        if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL,
738                                e, "recipient certificate file"))) {
739            ERR_print_errors(bio_err);
740            goto end;
741        }
742    }
743
744    if (operation == SMIME_SIGN_RECEIPT) {
745        if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
746                                 e, "receipt signer certificate file"))) {
747            ERR_print_errors(bio_err);
748            goto end;
749        }
750    }
751
752    if (operation == SMIME_DECRYPT) {
753        if (!keyfile)
754            keyfile = recipfile;
755    } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
756        if (!keyfile)
757            keyfile = signerfile;
758    } else
759        keyfile = NULL;
760
761    if (keyfile) {
762        key = load_key(bio_err, keyfile, keyform, 0, passin, e,
763                       "signing key file");
764        if (!key)
765            goto end;
766    }
767
768    if (infile) {
769        if (!(in = BIO_new_file(infile, inmode))) {
770            BIO_printf(bio_err, "Can't open input file %s\n", infile);
771            goto end;
772        }
773    } else
774        in = BIO_new_fp(stdin, BIO_NOCLOSE);
775
776    if (operation & SMIME_IP) {
777        if (informat == FORMAT_SMIME)
778            cms = SMIME_read_CMS(in, &indata);
779        else if (informat == FORMAT_PEM)
780            cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
781        else if (informat == FORMAT_ASN1)
782            cms = d2i_CMS_bio(in, NULL);
783        else {
784            BIO_printf(bio_err, "Bad input format for CMS file\n");
785            goto end;
786        }
787
788        if (!cms) {
789            BIO_printf(bio_err, "Error reading S/MIME message\n");
790            goto end;
791        }
792        if (contfile) {
793            BIO_free(indata);
794            if (!(indata = BIO_new_file(contfile, "rb"))) {
795                BIO_printf(bio_err, "Can't read content file %s\n", contfile);
796                goto end;
797            }
798        }
799        if (certsoutfile) {
800            STACK_OF(X509) *allcerts;
801            allcerts = CMS_get1_certs(cms);
802            if (!save_certs(certsoutfile, allcerts)) {
803                BIO_printf(bio_err,
804                           "Error writing certs to %s\n", certsoutfile);
805                ret = 5;
806                goto end;
807            }
808            sk_X509_pop_free(allcerts, X509_free);
809        }
810    }
811
812    if (rctfile) {
813        char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
814        if (!(rctin = BIO_new_file(rctfile, rctmode))) {
815            BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
816            goto end;
817        }
818
819        if (rctformat == FORMAT_SMIME)
820            rcms = SMIME_read_CMS(rctin, NULL);
821        else if (rctformat == FORMAT_PEM)
822            rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
823        else if (rctformat == FORMAT_ASN1)
824            rcms = d2i_CMS_bio(rctin, NULL);
825        else {
826            BIO_printf(bio_err, "Bad input format for receipt\n");
827            goto end;
828        }
829
830        if (!rcms) {
831            BIO_printf(bio_err, "Error reading receipt\n");
832            goto end;
833        }
834    }
835
836    if (outfile) {
837        if (!(out = BIO_new_file(outfile, outmode))) {
838            BIO_printf(bio_err, "Can't open output file %s\n", outfile);
839            goto end;
840        }
841    } else {
842        out = BIO_new_fp(stdout, BIO_NOCLOSE);
843# ifdef OPENSSL_SYS_VMS
844        {
845            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
846            out = BIO_push(tmpbio, out);
847        }
848# endif
849    }
850
851    if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
852        if (!(store = setup_verify(bio_err, CAfile, CApath)))
853            goto end;
854        X509_STORE_set_verify_cb(store, cms_cb);
855        if (vpm)
856            X509_STORE_set1_param(store, vpm);
857    }
858
859    ret = 3;
860
861    if (operation == SMIME_DATA_CREATE) {
862        cms = CMS_data_create(in, flags);
863    } else if (operation == SMIME_DIGEST_CREATE) {
864        cms = CMS_digest_create(in, sign_md, flags);
865    } else if (operation == SMIME_COMPRESS) {
866        cms = CMS_compress(in, -1, flags);
867    } else if (operation == SMIME_ENCRYPT) {
868        int i;
869        flags |= CMS_PARTIAL;
870        cms = CMS_encrypt(NULL, in, cipher, flags);
871        if (!cms)
872            goto end;
873        for (i = 0; i < sk_X509_num(encerts); i++) {
874            CMS_RecipientInfo *ri;
875            cms_key_param *kparam;
876            int tflags = flags;
877            X509 *x = sk_X509_value(encerts, i);
878            for (kparam = key_first; kparam; kparam = kparam->next) {
879                if (kparam->idx == i) {
880                    tflags |= CMS_KEY_PARAM;
881                    break;
882                }
883            }
884            ri = CMS_add1_recipient_cert(cms, x, tflags);
885            if (!ri)
886                goto end;
887            if (kparam) {
888                EVP_PKEY_CTX *pctx;
889                pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
890                if (!cms_set_pkey_param(pctx, kparam->param))
891                    goto end;
892            }
893            if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
894                && wrap_cipher) {
895                EVP_CIPHER_CTX *wctx;
896                wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
897                EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
898            }
899        }
900
901        if (secret_key) {
902            if (!CMS_add0_recipient_key(cms, NID_undef,
903                                        secret_key, secret_keylen,
904                                        secret_keyid, secret_keyidlen,
905                                        NULL, NULL, NULL))
906                goto end;
907            /* NULL these because call absorbs them */
908            secret_key = NULL;
909            secret_keyid = NULL;
910        }
911        if (pwri_pass) {
912            pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
913            if (!pwri_tmp)
914                goto end;
915            if (!CMS_add0_recipient_password(cms,
916                                             -1, NID_undef, NID_undef,
917                                             pwri_tmp, -1, NULL))
918                goto end;
919            pwri_tmp = NULL;
920        }
921        if (!(flags & CMS_STREAM)) {
922            if (!CMS_final(cms, in, NULL, flags))
923                goto end;
924        }
925    } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
926        cms = CMS_EncryptedData_encrypt(in, cipher,
927                                        secret_key, secret_keylen, flags);
928
929    } else if (operation == SMIME_SIGN_RECEIPT) {
930        CMS_ContentInfo *srcms = NULL;
931        STACK_OF(CMS_SignerInfo) *sis;
932        CMS_SignerInfo *si;
933        sis = CMS_get0_SignerInfos(cms);
934        if (!sis)
935            goto end;
936        si = sk_CMS_SignerInfo_value(sis, 0);
937        srcms = CMS_sign_receipt(si, signer, key, other, flags);
938        if (!srcms)
939            goto end;
940        CMS_ContentInfo_free(cms);
941        cms = srcms;
942    } else if (operation & SMIME_SIGNERS) {
943        int i;
944        /*
945         * If detached data content we enable streaming if S/MIME output
946         * format.
947         */
948        if (operation == SMIME_SIGN) {
949
950            if (flags & CMS_DETACHED) {
951                if (outformat == FORMAT_SMIME)
952                    flags |= CMS_STREAM;
953            }
954            flags |= CMS_PARTIAL;
955            cms = CMS_sign(NULL, NULL, other, in, flags);
956            if (!cms)
957                goto end;
958            if (econtent_type)
959                CMS_set1_eContentType(cms, econtent_type);
960
961            if (rr_to) {
962                rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
963                if (!rr) {
964                    BIO_puts(bio_err,
965                             "Signed Receipt Request Creation Error\n");
966                    goto end;
967                }
968            }
969        } else
970            flags |= CMS_REUSE_DIGEST;
971        for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
972            CMS_SignerInfo *si;
973            cms_key_param *kparam;
974            int tflags = flags;
975            signerfile = sk_OPENSSL_STRING_value(sksigners, i);
976            keyfile = sk_OPENSSL_STRING_value(skkeys, i);
977
978            signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
979                               e, "signer certificate");
980            if (!signer) {
981                ret = 2;
982                goto end;
983            }
984            key = load_key(bio_err, keyfile, keyform, 0, passin, e,
985                           "signing key file");
986            if (!key) {
987                ret = 2;
988                goto end;
989            }
990            for (kparam = key_first; kparam; kparam = kparam->next) {
991                if (kparam->idx == i) {
992                    tflags |= CMS_KEY_PARAM;
993                    break;
994                }
995            }
996            si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
997            if (!si)
998                goto end;
999            if (kparam) {
1000                EVP_PKEY_CTX *pctx;
1001                pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1002                if (!cms_set_pkey_param(pctx, kparam->param))
1003                    goto end;
1004            }
1005            if (rr && !CMS_add1_ReceiptRequest(si, rr))
1006                goto end;
1007            X509_free(signer);
1008            signer = NULL;
1009            EVP_PKEY_free(key);
1010            key = NULL;
1011        }
1012        /* If not streaming or resigning finalize structure */
1013        if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1014            if (!CMS_final(cms, in, NULL, flags))
1015                goto end;
1016        }
1017    }
1018
1019    if (!cms) {
1020        BIO_printf(bio_err, "Error creating CMS structure\n");
1021        goto end;
1022    }
1023
1024    ret = 4;
1025    if (operation == SMIME_DECRYPT) {
1026        if (flags & CMS_DEBUG_DECRYPT)
1027            CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1028
1029        if (secret_key) {
1030            if (!CMS_decrypt_set1_key(cms,
1031                                      secret_key, secret_keylen,
1032                                      secret_keyid, secret_keyidlen)) {
1033                BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1034                goto end;
1035            }
1036        }
1037
1038        if (key) {
1039            if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
1040                BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1041                goto end;
1042            }
1043        }
1044
1045        if (pwri_pass) {
1046            if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1047                BIO_puts(bio_err, "Error decrypting CMS using password\n");
1048                goto end;
1049            }
1050        }
1051
1052        if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1053            BIO_printf(bio_err, "Error decrypting CMS structure\n");
1054            goto end;
1055        }
1056    } else if (operation == SMIME_DATAOUT) {
1057        if (!CMS_data(cms, out, flags))
1058            goto end;
1059    } else if (operation == SMIME_UNCOMPRESS) {
1060        if (!CMS_uncompress(cms, indata, out, flags))
1061            goto end;
1062    } else if (operation == SMIME_DIGEST_VERIFY) {
1063        if (CMS_digest_verify(cms, indata, out, flags) > 0)
1064            BIO_printf(bio_err, "Verification successful\n");
1065        else {
1066            BIO_printf(bio_err, "Verification failure\n");
1067            goto end;
1068        }
1069    } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1070        if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1071                                       indata, out, flags))
1072            goto end;
1073    } else if (operation == SMIME_VERIFY) {
1074        if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1075            BIO_printf(bio_err, "Verification successful\n");
1076        else {
1077            BIO_printf(bio_err, "Verification failure\n");
1078            if (verify_retcode)
1079                ret = verify_err + 32;
1080            goto end;
1081        }
1082        if (signerfile) {
1083            STACK_OF(X509) *signers;
1084            signers = CMS_get0_signers(cms);
1085            if (!save_certs(signerfile, signers)) {
1086                BIO_printf(bio_err,
1087                           "Error writing signers to %s\n", signerfile);
1088                ret = 5;
1089                goto end;
1090            }
1091            sk_X509_free(signers);
1092        }
1093        if (rr_print)
1094            receipt_request_print(bio_err, cms);
1095
1096    } else if (operation == SMIME_VERIFY_RECEIPT) {
1097        if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1098            BIO_printf(bio_err, "Verification successful\n");
1099        else {
1100            BIO_printf(bio_err, "Verification failure\n");
1101            goto end;
1102        }
1103    } else {
1104        if (noout) {
1105            if (print)
1106                CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1107        } else if (outformat == FORMAT_SMIME) {
1108            if (to)
1109                BIO_printf(out, "To: %s\n", to);
1110            if (from)
1111                BIO_printf(out, "From: %s\n", from);
1112            if (subject)
1113                BIO_printf(out, "Subject: %s\n", subject);
1114            if (operation == SMIME_RESIGN)
1115                ret = SMIME_write_CMS(out, cms, indata, flags);
1116            else
1117                ret = SMIME_write_CMS(out, cms, in, flags);
1118        } else if (outformat == FORMAT_PEM)
1119            ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1120        else if (outformat == FORMAT_ASN1)
1121            ret = i2d_CMS_bio_stream(out, cms, in, flags);
1122        else {
1123            BIO_printf(bio_err, "Bad output format for CMS file\n");
1124            goto end;
1125        }
1126        if (ret <= 0) {
1127            ret = 6;
1128            goto end;
1129        }
1130    }
1131    ret = 0;
1132 end:
1133    if (ret)
1134        ERR_print_errors(bio_err);
1135    if (need_rand)
1136        app_RAND_write_file(NULL, bio_err);
1137    sk_X509_pop_free(encerts, X509_free);
1138    sk_X509_pop_free(other, X509_free);
1139    if (vpm)
1140        X509_VERIFY_PARAM_free(vpm);
1141    if (sksigners)
1142        sk_OPENSSL_STRING_free(sksigners);
1143    if (skkeys)
1144        sk_OPENSSL_STRING_free(skkeys);
1145    if (secret_key)
1146        OPENSSL_free(secret_key);
1147    if (secret_keyid)
1148        OPENSSL_free(secret_keyid);
1149    if (pwri_tmp)
1150        OPENSSL_free(pwri_tmp);
1151    if (econtent_type)
1152        ASN1_OBJECT_free(econtent_type);
1153    if (rr)
1154        CMS_ReceiptRequest_free(rr);
1155    if (rr_to)
1156        sk_OPENSSL_STRING_free(rr_to);
1157    if (rr_from)
1158        sk_OPENSSL_STRING_free(rr_from);
1159    for (key_param = key_first; key_param;) {
1160        cms_key_param *tparam;
1161        sk_OPENSSL_STRING_free(key_param->param);
1162        tparam = key_param->next;
1163        OPENSSL_free(key_param);
1164        key_param = tparam;
1165    }
1166    X509_STORE_free(store);
1167    X509_free(cert);
1168    X509_free(recip);
1169    X509_free(signer);
1170    EVP_PKEY_free(key);
1171    CMS_ContentInfo_free(cms);
1172    CMS_ContentInfo_free(rcms);
1173    release_engine(e);
1174    BIO_free(rctin);
1175    BIO_free(in);
1176    BIO_free(indata);
1177    BIO_free_all(out);
1178    if (passin)
1179        OPENSSL_free(passin);
1180    return (ret);
1181}
1182
1183static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1184{
1185    int i;
1186    BIO *tmp;
1187    if (!signerfile)
1188        return 1;
1189    tmp = BIO_new_file(signerfile, "w");
1190    if (!tmp)
1191        return 0;
1192    for (i = 0; i < sk_X509_num(signers); i++)
1193        PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1194    BIO_free(tmp);
1195    return 1;
1196}
1197
1198/* Minimal callback just to output policy info (if any) */
1199
1200static int cms_cb(int ok, X509_STORE_CTX *ctx)
1201{
1202    int error;
1203
1204    error = X509_STORE_CTX_get_error(ctx);
1205
1206    verify_err = error;
1207
1208    if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1209        && ((error != X509_V_OK) || (ok != 2)))
1210        return ok;
1211
1212    policies_print(NULL, ctx);
1213
1214    return ok;
1215
1216}
1217
1218static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1219{
1220    STACK_OF(GENERAL_NAME) *gens;
1221    GENERAL_NAME *gen;
1222    int i, j;
1223    for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1224        gens = sk_GENERAL_NAMES_value(gns, i);
1225        for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1226            gen = sk_GENERAL_NAME_value(gens, j);
1227            BIO_puts(out, "    ");
1228            GENERAL_NAME_print(out, gen);
1229            BIO_puts(out, "\n");
1230        }
1231    }
1232    return;
1233}
1234
1235static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1236{
1237    STACK_OF(CMS_SignerInfo) *sis;
1238    CMS_SignerInfo *si;
1239    CMS_ReceiptRequest *rr;
1240    int allorfirst;
1241    STACK_OF(GENERAL_NAMES) *rto, *rlist;
1242    ASN1_STRING *scid;
1243    int i, rv;
1244    sis = CMS_get0_SignerInfos(cms);
1245    for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1246        si = sk_CMS_SignerInfo_value(sis, i);
1247        rv = CMS_get1_ReceiptRequest(si, &rr);
1248        BIO_printf(bio_err, "Signer %d:\n", i + 1);
1249        if (rv == 0)
1250            BIO_puts(bio_err, "  No Receipt Request\n");
1251        else if (rv < 0) {
1252            BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1253            ERR_print_errors(bio_err);
1254        } else {
1255            char *id;
1256            int idlen;
1257            CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1258                                           &rlist, &rto);
1259            BIO_puts(out, "  Signed Content ID:\n");
1260            idlen = ASN1_STRING_length(scid);
1261            id = (char *)ASN1_STRING_data(scid);
1262            BIO_dump_indent(out, id, idlen, 4);
1263            BIO_puts(out, "  Receipts From");
1264            if (rlist) {
1265                BIO_puts(out, " List:\n");
1266                gnames_stack_print(out, rlist);
1267            } else if (allorfirst == 1)
1268                BIO_puts(out, ": First Tier\n");
1269            else if (allorfirst == 0)
1270                BIO_puts(out, ": All\n");
1271            else
1272                BIO_printf(out, " Unknown (%d)\n", allorfirst);
1273            BIO_puts(out, "  Receipts To:\n");
1274            gnames_stack_print(out, rto);
1275        }
1276        if (rr)
1277            CMS_ReceiptRequest_free(rr);
1278    }
1279}
1280
1281static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1282{
1283    int i;
1284    STACK_OF(GENERAL_NAMES) *ret;
1285    GENERAL_NAMES *gens = NULL;
1286    GENERAL_NAME *gen = NULL;
1287    ret = sk_GENERAL_NAMES_new_null();
1288    if (!ret)
1289        goto err;
1290    for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1291        char *str = sk_OPENSSL_STRING_value(ns, i);
1292        gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1293        if (!gen)
1294            goto err;
1295        gens = GENERAL_NAMES_new();
1296        if (!gens)
1297            goto err;
1298        if (!sk_GENERAL_NAME_push(gens, gen))
1299            goto err;
1300        gen = NULL;
1301        if (!sk_GENERAL_NAMES_push(ret, gens))
1302            goto err;
1303        gens = NULL;
1304    }
1305
1306    return ret;
1307
1308 err:
1309    if (ret)
1310        sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1311    if (gens)
1312        GENERAL_NAMES_free(gens);
1313    if (gen)
1314        GENERAL_NAME_free(gen);
1315    return NULL;
1316}
1317
1318static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1319                                                *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1320                                                *rr_from)
1321{
1322    STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1323    CMS_ReceiptRequest *rr;
1324    rct_to = make_names_stack(rr_to);
1325    if (!rct_to)
1326        goto err;
1327    if (rr_from) {
1328        rct_from = make_names_stack(rr_from);
1329        if (!rct_from)
1330            goto err;
1331    } else
1332        rct_from = NULL;
1333    rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1334                                    rct_to);
1335    return rr;
1336 err:
1337    return NULL;
1338}
1339
1340static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1341                              STACK_OF(OPENSSL_STRING) *param)
1342{
1343    char *keyopt;
1344    int i;
1345    if (sk_OPENSSL_STRING_num(param) <= 0)
1346        return 1;
1347    for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1348        keyopt = sk_OPENSSL_STRING_value(param, i);
1349        if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1350            BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1351            ERR_print_errors(bio_err);
1352            return 0;
1353        }
1354    }
1355    return 1;
1356}
1357
1358#endif
1359