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openssl/apps/cms.c
Rich Salz 021410ea3f Check non-option arguments 
Make sure all commands check to see if there are any "extra" arguments
after the options, and print an error if so.

Made all error messages consistent (which is to say, minimal).

Fixes: #13527

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13563)
2020-12-15 11:47:17 +01:00

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/*
* Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* CMS utility function */
#include <stdio.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#ifndef OPENSSL_NO_CMS
# include <openssl/crypto.h>
# include <openssl/pem.h>
# include <openssl/err.h>
# include <openssl/x509_vfy.h>
# include <openssl/x509v3.h>
# include <openssl/cms.h>
static int save_certs(char *signerfile, STACK_OF(X509) *signers);
static int cms_cb(int ok, X509_STORE_CTX *ctx);
static void receipt_request_print(CMS_ContentInfo *cms);
static CMS_ReceiptRequest *make_receipt_request(
STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
STACK_OF(OPENSSL_STRING) *rr_from, OSSL_LIB_CTX *libctx, const char *propq);
static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
STACK_OF(OPENSSL_STRING) *param);
# define SMIME_OP 0x10
# define SMIME_IP 0x20
# define SMIME_SIGNERS 0x40
# define SMIME_ENCRYPT (1 | SMIME_OP)
# define SMIME_DECRYPT (2 | SMIME_IP)
# define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
# define SMIME_VERIFY (4 | SMIME_IP)
# define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
# define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
# define SMIME_DATAOUT (7 | SMIME_IP)
# define SMIME_DATA_CREATE (8 | SMIME_OP)
# define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
# define SMIME_DIGEST_CREATE (10 | SMIME_OP)
# define SMIME_UNCOMPRESS (11 | SMIME_IP)
# define SMIME_COMPRESS (12 | SMIME_OP)
# define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
# define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
# define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
# define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
static int verify_err = 0;
typedef struct cms_key_param_st cms_key_param;
struct cms_key_param_st {
int idx;
STACK_OF(OPENSSL_STRING) *param;
cms_key_param *next;
};
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT,
OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE,
OPT_R_ENUM,
OPT_PROV_ENUM, OPT_CONFIG,
OPT_V_ENUM,
OPT_CIPHER,
OPT_ORIGINATOR
} OPTION_CHOICE;
const OPTIONS cms_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
{"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
{"outform", OPT_OUTFORM, 'c',
"Output format SMIME (default), PEM or DER"},
{"in", OPT_IN, '<', "Input file"},
{"out", OPT_OUT, '>', "Output file"},
{"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
"Disable MMA protection and return an error if no recipient found"
" (see documentation)"},
{"stream", OPT_INDEF, '-', "Enable CMS streaming"},
{"indef", OPT_INDEF, '-', "Same as -stream"},
{"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
{"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" },
{"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
{"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
{"CAstore", OPT_CASTORE, ':', "trusted certificates store URI"},
{"no-CAfile", OPT_NOCAFILE, '-',
"Do not load the default certificates file"},
{"no-CApath", OPT_NOCAPATH, '-',
"Do not load certificates from the default certificates directory"},
{"no-CAstore", OPT_NOCASTORE, '-',
"Do not load certificates from the default certificates store"},
# ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
# endif
OPT_CONFIG_OPTION,
OPT_SECTION("Action"),
{"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
{"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
{"sign", OPT_SIGN, '-', "Sign message"},
{"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
{"resign", OPT_RESIGN, '-', "Resign a signed message"},
{"cades", OPT_CADES, '-', "Include signer certificate digest"},
{"verify", OPT_VERIFY, '-', "Verify signed message"},
{"verify_retcode", OPT_VERIFY_RETCODE, '-',
"Exit non-zero on verification failure"},
{"verify_receipt", OPT_VERIFY_RECEIPT, '<',
"Verify receipts; exit if receipt signatures do not verify"},
{"digest_verify", OPT_DIGEST_VERIFY, '-',
"Verify a CMS \"DigestedData\" object and output it"},
{"digest_create", OPT_DIGEST_CREATE, '-',
"Create a CMS \"DigestedData\" object"},
{"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
{"uncompress", OPT_UNCOMPRESS, '-',
"Uncompress a CMS \"CompressedData\" object"},
{"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
"Decrypt CMS \"EncryptedData\" object using symmetric key"},
{"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
"Create CMS \"EncryptedData\" object using symmetric key"},
{"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
{"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
{"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
{"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
"Do not verify signed content signatures"},
{"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
"Do not verify signed attribute signatures"},
{"nointern", OPT_NOINTERN, '-',
"Don't search certificates in message for signer"},
{"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
OPT_SECTION("Formatting"),
{"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
{"asciicrlf", OPT_ASCIICRLF, '-',
"Perform CRLF canonicalisation when signing"},
{"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
{"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
{"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
{"binary", OPT_BINARY, '-', "Don't translate message to text"},
{"keyid", OPT_KEYID, '-', "Use subject key identifier"},
{"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
{"nocerts", OPT_NOCERTS, '-',
"Don't include signers certificate when signing"},
{"noout", OPT_NOOUT, '-',
"For the -cmsout operation do not output the parsed CMS structure"},
{"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
{"receipt_request_all", OPT_RR_ALL, '-',
"When signing, create a receipt request for all recipients"},
{"receipt_request_first", OPT_RR_FIRST, '-',
"When signing, create a receipt request for first recipient"},
{"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
{"certfile", OPT_CERTFILE, '<', "Other certificates file"},
{"content", OPT_CONTENT, '<',
"Supply or override content for detached signature"},
{"print", OPT_PRINT, '-',
"For the -cmsout operation print out all fields of the CMS structure"},
{"nameopt", OPT_NAMEOPT, 's',
"For the -print option specifies various strings printing options"},
{"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
OPT_SECTION("Keying"),
{"secretkey", OPT_SECRETKEY, 's',
"Use specified hex-encoded key to decrypt/encrypt recipients or content"},
{"secretkeyid", OPT_SECRETKEYID, 's',
"Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
{"pwri_password", OPT_PWRI_PASSWORD, 's',
"Specific password for recipient"},
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"inkey", OPT_INKEY, 's',
"Input private key (if not signer or recipient)"},
{"keyform", OPT_KEYFORM, 'f', "Input private key format (ENGINE, other values ignored)"},
{"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
OPT_SECTION("Mail header"),
{"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
{"to", OPT_TO, 's', "To address"},
{"from", OPT_FROM, 's', "From address"},
{"subject", OPT_SUBJECT, 's', "Subject"},
{"signer", OPT_SIGNER, 's', "Signer certificate file"},
{"originator", OPT_ORIGINATOR, 's', "Originator certificate file"},
{"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
{"receipt_request_from", OPT_RR_FROM, 's',
"Create signed receipt request with specified email address"},
{"receipt_request_to", OPT_RR_TO, 's',
"Create signed receipt targeted to specified address"},
OPT_SECTION("Encryption"),
{"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
{"", OPT_CIPHER, '-', "Any supported cipher"},
OPT_SECTION("Key-wrapping"),
{"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
{"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
{"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
# ifndef OPENSSL_NO_DES
{"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
# endif
{"wrap", OPT_WRAP, 's', "Any wrap cipher to wrap key"},
OPT_R_OPTIONS,
OPT_V_OPTIONS,
OPT_PROV_OPTIONS,
OPT_PARAMETERS(),
{"cert", 0, 0, "Recipient certs (optional; used only when encrypting)"},
{NULL}
};
static CMS_ContentInfo *load_content_info(int informat, BIO *in, BIO **indata,
const char *name,
OSSL_LIB_CTX *libctx,
const char *propq)
{
CMS_ContentInfo *ret, *ci;
ret = CMS_ContentInfo_new_ex(libctx, propq);
if (ret == NULL) {
BIO_printf(bio_err, "Error allocating CMS_contentinfo\n");
return NULL;
}
switch (informat) {
case FORMAT_SMIME:
ci = SMIME_read_CMS_ex(in, indata, &ret);
break;
case FORMAT_PEM:
ci = PEM_read_bio_CMS(in, &ret, NULL, NULL);
break;
case FORMAT_ASN1:
ci = d2i_CMS_bio(in, &ret);
break;
default:
BIO_printf(bio_err, "Bad input format for %s\n", name);
goto err;
}
if (ci == NULL) {
BIO_printf(bio_err, "Error reading %s Content Info\n", name);
goto err;
}
return ret;
err:
CMS_ContentInfo_free(ret);
return NULL;
}
int cms_main(int argc, char **argv)
{
CONF *conf = NULL;
ASN1_OBJECT *econtent_type = NULL;
BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
CMS_ContentInfo *cms = NULL, *rcms = NULL;
CMS_ReceiptRequest *rr = NULL;
ENGINE *e = NULL;
EVP_PKEY *key = NULL;
const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
const EVP_MD *sign_md = NULL;
STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
STACK_OF(X509) *encerts = NULL, *other = NULL;
X509 *cert = NULL, *recip = NULL, *signer = NULL, *originator = NULL;
X509_STORE *store = NULL;
X509_VERIFY_PARAM *vpm = NULL;
char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
char *certsoutfile = NULL;
int noCAfile = 0, noCApath = 0, noCAstore = 0;
char *infile = NULL, *outfile = NULL, *rctfile = NULL;
char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *originatorfile = NULL, *recipfile = NULL;
char *to = NULL, *from = NULL, *subject = NULL, *prog;
cms_key_param *key_first = NULL, *key_param = NULL;
int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
size_t secret_keylen = 0, secret_keyidlen = 0;
unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
unsigned char *secret_key = NULL, *secret_keyid = NULL;
long ltmp;
const char *mime_eol = "\n";
OPTION_CHOICE o;
OSSL_LIB_CTX *libctx = app_get0_libctx();
const char *propq = app_get0_propq();
if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
return 1;
prog = opt_init(argc, argv, cms_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(cms_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
goto opthelp;
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENCRYPT:
operation = SMIME_ENCRYPT;
break;
case OPT_DECRYPT:
operation = SMIME_DECRYPT;
break;
case OPT_SIGN:
operation = SMIME_SIGN;
break;
case OPT_SIGN_RECEIPT:
operation = SMIME_SIGN_RECEIPT;
break;
case OPT_RESIGN:
operation = SMIME_RESIGN;
break;
case OPT_VERIFY:
operation = SMIME_VERIFY;
break;
case OPT_VERIFY_RETCODE:
verify_retcode = 1;
break;
case OPT_VERIFY_RECEIPT:
operation = SMIME_VERIFY_RECEIPT;
rctfile = opt_arg();
break;
case OPT_CMSOUT:
operation = SMIME_CMSOUT;
break;
case OPT_DATA_OUT:
operation = SMIME_DATAOUT;
break;
case OPT_DATA_CREATE:
operation = SMIME_DATA_CREATE;
break;
case OPT_DIGEST_VERIFY:
operation = SMIME_DIGEST_VERIFY;
break;
case OPT_DIGEST_CREATE:
operation = SMIME_DIGEST_CREATE;
break;
case OPT_COMPRESS:
operation = SMIME_COMPRESS;
break;
case OPT_UNCOMPRESS:
operation = SMIME_UNCOMPRESS;
break;
case OPT_ED_DECRYPT:
operation = SMIME_ENCRYPTED_DECRYPT;
break;
case OPT_ED_ENCRYPT:
operation = SMIME_ENCRYPTED_ENCRYPT;
break;
case OPT_DEBUG_DECRYPT:
flags |= CMS_DEBUG_DECRYPT;
break;
case OPT_TEXT:
flags |= CMS_TEXT;
break;
case OPT_ASCIICRLF:
flags |= CMS_ASCIICRLF;
break;
case OPT_NOINTERN:
flags |= CMS_NOINTERN;
break;
case OPT_NOVERIFY:
flags |= CMS_NO_SIGNER_CERT_VERIFY;
break;
case OPT_NOCERTS:
flags |= CMS_NOCERTS;
break;
case OPT_NOATTR:
flags |= CMS_NOATTR;
break;
case OPT_NODETACH:
flags &= ~CMS_DETACHED;
break;
case OPT_NOSMIMECAP:
flags |= CMS_NOSMIMECAP;
break;
case OPT_BINARY:
flags |= CMS_BINARY;
break;
case OPT_CADES:
flags |= CMS_CADES;
break;
case OPT_KEYID:
flags |= CMS_USE_KEYID;
break;
case OPT_NOSIGS:
flags |= CMS_NOSIGS;
break;
case OPT_NO_CONTENT_VERIFY:
flags |= CMS_NO_CONTENT_VERIFY;
break;
case OPT_NO_ATTR_VERIFY:
flags |= CMS_NO_ATTR_VERIFY;
break;
case OPT_INDEF:
flags |= CMS_STREAM;
break;
case OPT_NOINDEF:
flags &= ~CMS_STREAM;
break;
case OPT_CRLFEOL:
mime_eol = "\r\n";
flags |= CMS_CRLFEOL;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_RR_PRINT:
rr_print = 1;
break;
case OPT_RR_ALL:
rr_allorfirst = 0;
break;
case OPT_RR_FIRST:
rr_allorfirst = 1;
break;
case OPT_RCTFORM:
if (rctformat == FORMAT_ASN1) {
if (!opt_format(opt_arg(),
OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
goto opthelp;
} else {
rcms = load_content_info(rctformat, rctin, NULL, "recipient",
libctx, propq);
}
break;
case OPT_CERTFILE:
certfile = opt_arg();
break;
case OPT_CAFILE:
CAfile = opt_arg();
break;
case OPT_CAPATH:
CApath = opt_arg();
break;
case OPT_CASTORE:
CAstore = opt_arg();
break;
case OPT_NOCAFILE:
noCAfile = 1;
break;
case OPT_NOCAPATH:
noCApath = 1;
break;
case OPT_NOCASTORE:
noCAstore = 1;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_CONTENT:
contfile = opt_arg();
break;
case OPT_RR_FROM:
if (rr_from == NULL
&& (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(rr_from, opt_arg());
break;
case OPT_RR_TO:
if (rr_to == NULL
&& (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(rr_to, opt_arg());
break;
case OPT_PRINT:
noout = print = 1;
break;
case OPT_NAMEOPT:
if (!set_nameopt(opt_arg()))
goto opthelp;
break;
case OPT_SECRETKEY:
if (secret_key != NULL) {
BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
opt_arg());
goto opthelp;
}
secret_key = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
if (secret_key == NULL) {
BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
goto end;
}
secret_keylen = (size_t)ltmp;
break;
case OPT_SECRETKEYID:
if (secret_keyid != NULL) {
BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
opt_arg());
goto opthelp;
}
secret_keyid = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
if (secret_keyid == NULL) {
BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
goto opthelp;
}
secret_keyidlen = (size_t)ltmp;
break;
case OPT_PWRI_PASSWORD:
pwri_pass = (unsigned char *)opt_arg();
break;
case OPT_ECONTENT_TYPE:
if (econtent_type != NULL) {
BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
opt_arg());
goto opthelp;
}
econtent_type = OBJ_txt2obj(opt_arg(), 0);
if (econtent_type == NULL) {
BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
goto opthelp;
}
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_TO:
to = opt_arg();
break;
case OPT_FROM:
from = opt_arg();
break;
case OPT_SUBJECT:
subject = opt_arg();
break;
case OPT_CERTSOUT:
certsoutfile = opt_arg();
break;
case OPT_MD:
if (!opt_md(opt_arg(), &sign_md))
goto end;
break;
case OPT_SIGNER:
/* If previous -signer argument add signer to list */
if (signerfile != NULL) {
if (sksigners == NULL
&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(sksigners, signerfile);
if (keyfile == NULL)
keyfile = signerfile;
if (skkeys == NULL
&& (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(skkeys, keyfile);
keyfile = NULL;
}
signerfile = opt_arg();
break;
case OPT_ORIGINATOR:
originatorfile = opt_arg();
break;
case OPT_INKEY:
/* If previous -inkey argument add signer to list */
if (keyfile != NULL) {
if (signerfile == NULL) {
BIO_puts(bio_err, "Illegal -inkey without -signer\n");
goto end;
}
if (sksigners == NULL
&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(sksigners, signerfile);
signerfile = NULL;
if (skkeys == NULL
&& (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(skkeys, keyfile);
}
keyfile = opt_arg();
break;
case OPT_KEYFORM:
if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
goto opthelp;
break;
case OPT_RECIP:
if (operation == SMIME_ENCRYPT) {
if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
goto end;
cert = load_cert(opt_arg(), "recipient certificate file");
if (cert == NULL)
goto end;
sk_X509_push(encerts, cert);
cert = NULL;
} else {
recipfile = opt_arg();
}
break;
case OPT_CIPHER:
if (!opt_cipher(opt_unknown(), &cipher))
goto end;
break;
case OPT_KEYOPT:
keyidx = -1;
if (operation == SMIME_ENCRYPT) {
if (encerts != NULL)
keyidx += sk_X509_num(encerts);
} else {
if (keyfile != NULL || signerfile != NULL)
keyidx++;
if (skkeys != NULL)
keyidx += sk_OPENSSL_STRING_num(skkeys);
}
if (keyidx < 0) {
BIO_printf(bio_err, "No key specified\n");
goto opthelp;
}
if (key_param == NULL || key_param->idx != keyidx) {
cms_key_param *nparam;
nparam = app_malloc(sizeof(*nparam), "key param buffer");
if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) {
OPENSSL_free(nparam);
goto end;
}
nparam->idx = keyidx;
nparam->next = NULL;
if (key_first == NULL)
key_first = nparam;
else
key_param->next = nparam;
key_param = nparam;
}
sk_OPENSSL_STRING_push(key_param->param, opt_arg());
break;
case OPT_V_CASES:
if (!opt_verify(o, vpm))
goto end;
vpmtouched++;
break;
case OPT_R_CASES:
if (!opt_rand(o))
goto end;
break;
case OPT_PROV_CASES:
if (!opt_provider(o))
goto end;
break;
case OPT_CONFIG:
conf = app_load_config_modules(opt_arg());
if (conf == NULL)
goto end;
break;
case OPT_3DES_WRAP:
# ifndef OPENSSL_NO_DES
wrap_cipher = EVP_des_ede3_wrap();
# endif
break;
case OPT_AES128_WRAP:
wrap_cipher = EVP_aes_128_wrap();
break;
case OPT_AES192_WRAP:
wrap_cipher = EVP_aes_192_wrap();
break;
case OPT_AES256_WRAP:
wrap_cipher = EVP_aes_256_wrap();
break;
case OPT_WRAP:
if (!opt_cipher(opt_unknown(), &wrap_cipher))
goto end;
break;
}
}
/* Remaining args are files to process. */
argc = opt_num_rest();
argv = opt_rest();
if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
BIO_puts(bio_err, "No Signed Receipts Recipients\n");
goto opthelp;
}
if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
goto opthelp;
}
if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
goto opthelp;
}
if ((flags & CMS_CADES) != 0) {
if ((flags & CMS_NOATTR) != 0) {
BIO_puts(bio_err, "Incompatible options: "
"CAdES required signed attributes\n");
goto opthelp;
}
if (operation == SMIME_VERIFY
&& (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) {
BIO_puts(bio_err, "Incompatible options: CAdES validation require"
" certs and signed attributes validations\n");
goto opthelp;
}
}
if (operation & SMIME_SIGNERS) {
if (keyfile != NULL && signerfile == NULL) {
BIO_puts(bio_err, "Illegal -inkey without -signer\n");
goto opthelp;
}
/* Check to see if any final signer needs to be appended */
if (signerfile != NULL) {
if (sksigners == NULL
&& (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(sksigners, signerfile);
if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
if (keyfile == NULL)
keyfile = signerfile;
sk_OPENSSL_STRING_push(skkeys, keyfile);
}
if (sksigners == NULL) {
BIO_printf(bio_err, "No signer certificate specified\n");
goto opthelp;
}
signerfile = NULL;
keyfile = NULL;
} else if (operation == SMIME_DECRYPT) {
if (recipfile == NULL && keyfile == NULL
&& secret_key == NULL && pwri_pass == NULL) {
BIO_printf(bio_err,
"No recipient certificate or key specified\n");
goto opthelp;
}
} else if (operation == SMIME_ENCRYPT) {
if (*argv == NULL && secret_key == NULL
&& pwri_pass == NULL && encerts == NULL) {
BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
goto opthelp;
}
} else if (!operation) {
BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n");
goto opthelp;
}
if (!app_passwd(passinarg, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
ret = 2;
if (!(operation & SMIME_SIGNERS))
flags &= ~CMS_DETACHED;
if (!(operation & SMIME_OP))
if (flags & CMS_BINARY)
outformat = FORMAT_BINARY;
if (!(operation & SMIME_IP))
if (flags & CMS_BINARY)
informat = FORMAT_BINARY;
if (operation == SMIME_ENCRYPT) {
if (!cipher) {
# ifndef OPENSSL_NO_DES
cipher = EVP_des_ede3_cbc();
# else
BIO_printf(bio_err, "No cipher selected\n");
goto end;
# endif
}
if (secret_key && !secret_keyid) {
BIO_printf(bio_err, "No secret key id\n");
goto end;
}
if (*argv && encerts == NULL)
if ((encerts = sk_X509_new_null()) == NULL)
goto end;
while (*argv) {
if ((cert = load_cert(*argv, "recipient certificate file")) == NULL)
goto end;
sk_X509_push(encerts, cert);
cert = NULL;
argv++;
}
}
if (certfile != NULL) {
if (!load_certs(certfile, &other, NULL, "certificate file")) {
ERR_print_errors(bio_err);
goto end;
}
}
if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
if ((recip = load_cert(recipfile,
"recipient certificate file")) == NULL) {
ERR_print_errors(bio_err);
goto end;
}
}
if (originatorfile != NULL) {
if ((originator = load_cert(originatorfile,
"originator certificate file")) == NULL) {
ERR_print_errors(bio_err);
goto end;
}
}
if (operation == SMIME_SIGN_RECEIPT) {
if ((signer = load_cert(signerfile,
"receipt signer certificate file")) == NULL) {
ERR_print_errors(bio_err);
goto end;
}
}
if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) {
if (keyfile == NULL)
keyfile = recipfile;
} else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
if (keyfile == NULL)
keyfile = signerfile;
} else {
keyfile = NULL;
}
if (keyfile != NULL) {
key = load_key(keyfile, keyform, 0, passin, e, "signing key");
if (key == NULL)
goto end;
}
in = bio_open_default(infile, 'r', informat);
if (in == NULL)
goto end;
if (operation & SMIME_IP) {
cms = load_content_info(informat, in, &indata, "SMIME", libctx, propq);
if (cms == NULL)
goto end;
if (contfile != NULL) {
BIO_free(indata);
if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
BIO_printf(bio_err, "Can't read content file %s\n", contfile);
goto end;
}
}
if (certsoutfile != NULL) {
STACK_OF(X509) *allcerts;
allcerts = CMS_get1_certs(cms);
if (!save_certs(certsoutfile, allcerts)) {
BIO_printf(bio_err,
"Error writing certs to %s\n", certsoutfile);
ret = 5;
goto end;
}
sk_X509_pop_free(allcerts, X509_free);
}
}
if (rctfile != NULL) {
char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
goto end;
}
rcms = load_content_info(rctformat, rctin, NULL, "recipient", libctx,
propq);
if (rcms == NULL)
goto end;
}
out = bio_open_default(outfile, 'w', outformat);
if (out == NULL)
goto end;
if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
CAstore, noCAstore)) == NULL)
goto end;
X509_STORE_set_verify_cb(store, cms_cb);
if (vpmtouched)
X509_STORE_set1_param(store, vpm);
}
ret = 3;
if (operation == SMIME_DATA_CREATE) {
cms = CMS_data_create_ex(in, flags, libctx, propq);
} else if (operation == SMIME_DIGEST_CREATE) {
cms = CMS_digest_create_ex(in, sign_md, flags, libctx, propq);
} else if (operation == SMIME_COMPRESS) {
cms = CMS_compress(in, -1, flags);
} else if (operation == SMIME_ENCRYPT) {
int i;
flags |= CMS_PARTIAL;
cms = CMS_encrypt_ex(NULL, in, cipher, flags, libctx, propq);
if (cms == NULL)
goto end;
for (i = 0; i < sk_X509_num(encerts); i++) {
CMS_RecipientInfo *ri;
cms_key_param *kparam;
int tflags = flags | CMS_KEY_PARAM; /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */
EVP_PKEY_CTX *pctx;
X509 *x = sk_X509_value(encerts, i);
int res;
for (kparam = key_first; kparam; kparam = kparam->next) {
if (kparam->idx == i) {
break;
}
}
ri = CMS_add1_recipient(cms, x, key, originator, tflags);
if (ri == NULL)
goto end;
pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
if (kparam != NULL) {
if (!cms_set_pkey_param(pctx, kparam->param))
goto end;
}
res = EVP_PKEY_CTX_ctrl(pctx, -1, -1,
EVP_PKEY_CTRL_CIPHER,
EVP_CIPHER_nid(cipher), NULL);
if (res <= 0 && res != -2)
goto end;
if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
&& wrap_cipher) {
EVP_CIPHER_CTX *wctx;
wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
}
}
if (secret_key != NULL) {
if (!CMS_add0_recipient_key(cms, NID_undef,
secret_key, secret_keylen,
secret_keyid, secret_keyidlen,
NULL, NULL, NULL))
goto end;
/* NULL these because call absorbs them */
secret_key = NULL;
secret_keyid = NULL;
}
if (pwri_pass != NULL) {
pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
if (pwri_tmp == NULL)
goto end;
if (CMS_add0_recipient_password(cms,
-1, NID_undef, NID_undef,
pwri_tmp, -1, NULL) == NULL)
goto end;
pwri_tmp = NULL;
}
if (!(flags & CMS_STREAM)) {
if (!CMS_final(cms, in, NULL, flags))
goto end;
}
} else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
cms = CMS_EncryptedData_encrypt_ex(in, cipher, secret_key,
secret_keylen, flags, libctx, propq);
} else if (operation == SMIME_SIGN_RECEIPT) {
CMS_ContentInfo *srcms = NULL;
STACK_OF(CMS_SignerInfo) *sis;
CMS_SignerInfo *si;
sis = CMS_get0_SignerInfos(cms);
if (sis == NULL)
goto end;
si = sk_CMS_SignerInfo_value(sis, 0);
srcms = CMS_sign_receipt(si, signer, key, other, flags);
if (srcms == NULL)
goto end;
CMS_ContentInfo_free(cms);
cms = srcms;
} else if (operation & SMIME_SIGNERS) {
int i;
/*
* If detached data content we enable streaming if S/MIME output
* format.
*/
if (operation == SMIME_SIGN) {
if (flags & CMS_DETACHED) {
if (outformat == FORMAT_SMIME)
flags |= CMS_STREAM;
}
flags |= CMS_PARTIAL;
cms = CMS_sign_ex(NULL, NULL, other, in, flags, libctx, propq);
if (cms == NULL)
goto end;
if (econtent_type != NULL)
CMS_set1_eContentType(cms, econtent_type);
if (rr_to != NULL) {
rr = make_receipt_request(rr_to, rr_allorfirst, rr_from, libctx,
propq);
if (rr == NULL) {
BIO_puts(bio_err,
"Signed Receipt Request Creation Error\n");
goto end;
}
}
} else {
flags |= CMS_REUSE_DIGEST;
}
for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
CMS_SignerInfo *si;
cms_key_param *kparam;
int tflags = flags;
signerfile = sk_OPENSSL_STRING_value(sksigners, i);
keyfile = sk_OPENSSL_STRING_value(skkeys, i);
signer = load_cert(signerfile, "signer certificate");
if (signer == NULL) {
ret = 2;
goto end;
}
key = load_key(keyfile, keyform, 0, passin, e, "signing key");
if (key == NULL) {
ret = 2;
goto end;
}
for (kparam = key_first; kparam; kparam = kparam->next) {
if (kparam->idx == i) {
tflags |= CMS_KEY_PARAM;
break;
}
}
si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
if (si == NULL)
goto end;
if (kparam != NULL) {
EVP_PKEY_CTX *pctx;
pctx = CMS_SignerInfo_get0_pkey_ctx(si);
if (!cms_set_pkey_param(pctx, kparam->param))
goto end;
}
if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
goto end;
X509_free(signer);
signer = NULL;
EVP_PKEY_free(key);
key = NULL;
}
/* If not streaming or resigning finalize structure */
if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
if (!CMS_final(cms, in, NULL, flags))
goto end;
}
}
if (cms == NULL) {
BIO_printf(bio_err, "Error creating CMS structure\n");
goto end;
}
ret = 4;
if (operation == SMIME_DECRYPT) {
if (flags & CMS_DEBUG_DECRYPT)
CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
if (secret_key != NULL) {
if (!CMS_decrypt_set1_key(cms,
secret_key, secret_keylen,
secret_keyid, secret_keyidlen)) {
BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
goto end;
}
}
if (key != NULL) {
if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) {
BIO_puts(bio_err, "Error decrypting CMS using private key\n");
goto end;
}
}
if (pwri_pass != NULL) {
if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
BIO_puts(bio_err, "Error decrypting CMS using password\n");
goto end;
}
}
if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
BIO_printf(bio_err, "Error decrypting CMS structure\n");
goto end;
}
} else if (operation == SMIME_DATAOUT) {
if (!CMS_data(cms, out, flags))
goto end;
} else if (operation == SMIME_UNCOMPRESS) {
if (!CMS_uncompress(cms, indata, out, flags))
goto end;
} else if (operation == SMIME_DIGEST_VERIFY) {
if (CMS_digest_verify(cms, indata, out, flags) > 0) {
BIO_printf(bio_err, "Verification successful\n");
} else {
BIO_printf(bio_err, "Verification failure\n");
goto end;
}
} else if (operation == SMIME_ENCRYPTED_DECRYPT) {
if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
indata, out, flags))
goto end;
} else if (operation == SMIME_VERIFY) {
if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
BIO_printf(bio_err, "%s Verification successful\n",
(flags & CMS_CADES) ? "CAdES" : "CMS");
} else {
BIO_printf(bio_err, "Verification failure\n");
if (verify_retcode)
ret = verify_err + 32;
goto end;
}
if (signerfile != NULL) {
STACK_OF(X509) *signers;
signers = CMS_get0_signers(cms);
if (!save_certs(signerfile, signers)) {
BIO_printf(bio_err,
"Error writing signers to %s\n", signerfile);
ret = 5;
goto end;
}
sk_X509_free(signers);
}
if (rr_print)
receipt_request_print(cms);
} else if (operation == SMIME_VERIFY_RECEIPT) {
if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
BIO_printf(bio_err, "Verification successful\n");
} else {
BIO_printf(bio_err, "Verification failure\n");
goto end;
}
} else {
if (noout) {
if (print) {
ASN1_PCTX *pctx = NULL;
if (get_nameopt() != XN_FLAG_ONELINE) {
pctx = ASN1_PCTX_new();
if (pctx != NULL) { /* Print anyway if malloc failed */
ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT);
ASN1_PCTX_set_str_flags(pctx, get_nameopt());
ASN1_PCTX_set_nm_flags(pctx, get_nameopt());
}
}
CMS_ContentInfo_print_ctx(out, cms, 0, pctx);
ASN1_PCTX_free(pctx);
}
} else if (outformat == FORMAT_SMIME) {
if (to)
BIO_printf(out, "To: %s%s", to, mime_eol);
if (from)
BIO_printf(out, "From: %s%s", from, mime_eol);
if (subject)
BIO_printf(out, "Subject: %s%s", subject, mime_eol);
if (operation == SMIME_RESIGN)
ret = SMIME_write_CMS(out, cms, indata, flags);
else
ret = SMIME_write_CMS(out, cms, in, flags);
} else if (outformat == FORMAT_PEM) {
ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
} else if (outformat == FORMAT_ASN1) {
ret = i2d_CMS_bio_stream(out, cms, in, flags);
} else {
BIO_printf(bio_err, "Bad output format for CMS file\n");
goto end;
}
if (ret <= 0) {
ret = 6;
goto end;
}
}
ret = 0;
end:
if (ret)
ERR_print_errors(bio_err);
sk_X509_pop_free(encerts, X509_free);
sk_X509_pop_free(other, X509_free);
X509_VERIFY_PARAM_free(vpm);
sk_OPENSSL_STRING_free(sksigners);
sk_OPENSSL_STRING_free(skkeys);
OPENSSL_free(secret_key);
OPENSSL_free(secret_keyid);
OPENSSL_free(pwri_tmp);
ASN1_OBJECT_free(econtent_type);
CMS_ReceiptRequest_free(rr);
sk_OPENSSL_STRING_free(rr_to);
sk_OPENSSL_STRING_free(rr_from);
for (key_param = key_first; key_param;) {
cms_key_param *tparam;
sk_OPENSSL_STRING_free(key_param->param);
tparam = key_param->next;
OPENSSL_free(key_param);
key_param = tparam;
}
X509_STORE_free(store);
X509_free(cert);
X509_free(recip);
X509_free(signer);
EVP_PKEY_free(key);
CMS_ContentInfo_free(cms);
CMS_ContentInfo_free(rcms);
release_engine(e);
BIO_free(rctin);
BIO_free(in);
BIO_free(indata);
BIO_free_all(out);
OPENSSL_free(passin);
NCONF_free(conf);
return ret;
}
static int save_certs(char *signerfile, STACK_OF(X509) *signers)
{
int i;
BIO *tmp;
if (signerfile == NULL)
return 1;
tmp = BIO_new_file(signerfile, "w");
if (tmp == NULL)
return 0;
for (i = 0; i < sk_X509_num(signers); i++)
PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
BIO_free(tmp);
return 1;
}
/* Minimal callback just to output policy info (if any) */
static int cms_cb(int ok, X509_STORE_CTX *ctx)
{
int error;
error = X509_STORE_CTX_get_error(ctx);
verify_err = error;
if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
&& ((error != X509_V_OK) || (ok != 2)))
return ok;
policies_print(ctx);
return ok;
}
static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
{
STACK_OF(GENERAL_NAME) *gens;
GENERAL_NAME *gen;
int i, j;
for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
gens = sk_GENERAL_NAMES_value(gns, i);
for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
gen = sk_GENERAL_NAME_value(gens, j);
BIO_puts(bio_err, " ");
GENERAL_NAME_print(bio_err, gen);
BIO_puts(bio_err, "\n");
}
}
return;
}
static void receipt_request_print(CMS_ContentInfo *cms)
{
STACK_OF(CMS_SignerInfo) *sis;
CMS_SignerInfo *si;
CMS_ReceiptRequest *rr;
int allorfirst;
STACK_OF(GENERAL_NAMES) *rto, *rlist;
ASN1_STRING *scid;
int i, rv;
sis = CMS_get0_SignerInfos(cms);
for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
si = sk_CMS_SignerInfo_value(sis, i);
rv = CMS_get1_ReceiptRequest(si, &rr);
BIO_printf(bio_err, "Signer %d:\n", i + 1);
if (rv == 0) {
BIO_puts(bio_err, " No Receipt Request\n");
} else if (rv < 0) {
BIO_puts(bio_err, " Receipt Request Parse Error\n");
ERR_print_errors(bio_err);
} else {
const char *id;
int idlen;
CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
&rlist, &rto);
BIO_puts(bio_err, " Signed Content ID:\n");
idlen = ASN1_STRING_length(scid);
id = (const char *)ASN1_STRING_get0_data(scid);
BIO_dump_indent(bio_err, id, idlen, 4);
BIO_puts(bio_err, " Receipts From");
if (rlist != NULL) {
BIO_puts(bio_err, " List:\n");
gnames_stack_print(rlist);
} else if (allorfirst == 1) {
BIO_puts(bio_err, ": First Tier\n");
} else if (allorfirst == 0) {
BIO_puts(bio_err, ": All\n");
} else {
BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
}
BIO_puts(bio_err, " Receipts To:\n");
gnames_stack_print(rto);
}
CMS_ReceiptRequest_free(rr);
}
}
static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
{
int i;
STACK_OF(GENERAL_NAMES) *ret;
GENERAL_NAMES *gens = NULL;
GENERAL_NAME *gen = NULL;
ret = sk_GENERAL_NAMES_new_null();
if (ret == NULL)
goto err;
for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
char *str = sk_OPENSSL_STRING_value(ns, i);
gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
if (gen == NULL)
goto err;
gens = GENERAL_NAMES_new();
if (gens == NULL)
goto err;
if (!sk_GENERAL_NAME_push(gens, gen))
goto err;
gen = NULL;
if (!sk_GENERAL_NAMES_push(ret, gens))
goto err;
gens = NULL;
}
return ret;
err:
sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
GENERAL_NAMES_free(gens);
GENERAL_NAME_free(gen);
return NULL;
}
static CMS_ReceiptRequest *make_receipt_request(
STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
STACK_OF(OPENSSL_STRING) *rr_from,
OSSL_LIB_CTX *libctx, const char *propq)
{
STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
CMS_ReceiptRequest *rr;
rct_to = make_names_stack(rr_to);
if (rct_to == NULL)
goto err;
if (rr_from != NULL) {
rct_from = make_names_stack(rr_from);
if (rct_from == NULL)
goto err;
} else {
rct_from = NULL;
}
rr = CMS_ReceiptRequest_create0_ex(NULL, -1, rr_allorfirst, rct_from,
rct_to, libctx, propq);
return rr;
err:
sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
return NULL;
}
static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
STACK_OF(OPENSSL_STRING) *param)
{
char *keyopt;
int i;
if (sk_OPENSSL_STRING_num(param) <= 0)
return 1;
for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
keyopt = sk_OPENSSL_STRING_value(param, i);
if (pkey_ctrl_string(pctx, keyopt) <= 0) {
BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
ERR_print_errors(bio_err);
return 0;
}
}
return 1;
}
#endif
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