Reject empty generation strings.
[openssl.git] / apps / cms.c
index d29a8849022c970793378b6313edccf2d72f945f..0cc4b46d8e2825591925a8a17c6cd8c83d2cc272 100644 (file)
@@ -1,5 +1,6 @@
 /* apps/cms.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project.
  */
 /* ====================================================================
@@ -10,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
 
 #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>
+# 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>
 
-#undef PROG
-#define PROG cms_main
+# undef PROG
+# define PROG cms_main
 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(BIO *out, CMS_ContentInfo *cms);
-static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
-                                               int rr_allorfirst,
-                                       STACK_OF(OPENSSL_STRING) *rr_from);
-
-#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 CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
+                                                *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
+                                                *rr_from);
+
+# 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)
 
 int verify_err = 0;
 
 int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
-       {
-       ENGINE *e = NULL;
-       int operation = 0;
-       int ret = 0;
-       char **args;
-       const char *inmode = "r", *outmode = "w";
-       char *infile = NULL, *outfile = NULL, *rctfile = NULL;
-       char *signerfile = NULL, *recipfile = NULL;
-       STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
-       char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
-       char *certsoutfile = NULL;
-       const EVP_CIPHER *cipher = NULL;
-       CMS_ContentInfo *cms = NULL, *rcms = NULL;
-       X509_STORE *store = NULL;
-       X509 *cert = NULL, *recip = NULL, *signer = NULL;
-       EVP_PKEY *key = NULL;
-       STACK_OF(X509) *encerts = NULL, *other = NULL;
-       BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
-       int badarg = 0;
-       int flags = CMS_DETACHED, noout = 0, print = 0;
-       int verify_retcode = 0;
-       int rr_print = 0, rr_allorfirst = -1;
-       STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
-       CMS_ReceiptRequest *rr = NULL;
-       char *to = NULL, *from = NULL, *subject = NULL;
-       char *CAfile = NULL, *CApath = NULL;
-       char *passargin = NULL, *passin = NULL;
-       char *inrand = NULL;
-       int need_rand = 0;
-       const EVP_MD *sign_md = NULL;
-       int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
-        int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
-#ifndef OPENSSL_NO_ENGINE
-       char *engine=NULL;
-#endif
-       unsigned char *secret_key = NULL, *secret_keyid = NULL;
-       size_t secret_keylen = 0, secret_keyidlen = 0;
-
-       ASN1_OBJECT *econtent_type = NULL;
-
-       X509_VERIFY_PARAM *vpm = NULL;
-
-       args = argv + 1;
-       ret = 1;
-
-       apps_startup();
-
-       if (bio_err == NULL)
-               {
-               if ((bio_err = BIO_new(BIO_s_file())) != NULL)
-                       BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
-               }
-
-       if (!load_config(bio_err, NULL))
-               goto end;
-
-       while (!badarg && *args && *args[0] == '-')
-               {
-               if (!strcmp (*args, "-encrypt"))
-                       operation = SMIME_ENCRYPT;
-               else if (!strcmp (*args, "-decrypt"))
-                       operation = SMIME_DECRYPT;
-               else if (!strcmp (*args, "-sign"))
-                       operation = SMIME_SIGN;
-               else if (!strcmp (*args, "-sign_receipt"))
-                       operation = SMIME_SIGN_RECEIPT;
-               else if (!strcmp (*args, "-resign"))
-                       operation = SMIME_RESIGN;
-               else if (!strcmp (*args, "-verify"))
-                       operation = SMIME_VERIFY;
-               else if (!strcmp (*args, "-verify_retcode"))
-                       verify_retcode = 1;
-               else if (!strcmp(*args,"-verify_receipt"))
-                       {
-                       operation = SMIME_VERIFY_RECEIPT;
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       rctfile = *args;
-                       }
-               else if (!strcmp (*args, "-cmsout"))
-                       operation = SMIME_CMSOUT;
-               else if (!strcmp (*args, "-data_out"))
-                       operation = SMIME_DATAOUT;
-               else if (!strcmp (*args, "-data_create"))
-                       operation = SMIME_DATA_CREATE;
-               else if (!strcmp (*args, "-digest_verify"))
-                       operation = SMIME_DIGEST_VERIFY;
-               else if (!strcmp (*args, "-digest_create"))
-                       operation = SMIME_DIGEST_CREATE;
-               else if (!strcmp (*args, "-compress"))
-                       operation = SMIME_COMPRESS;
-               else if (!strcmp (*args, "-uncompress"))
-                       operation = SMIME_UNCOMPRESS;
-               else if (!strcmp (*args, "-EncryptedData_decrypt"))
-                       operation = SMIME_ENCRYPTED_DECRYPT;
-               else if (!strcmp (*args, "-EncryptedData_encrypt"))
-                       operation = SMIME_ENCRYPTED_ENCRYPT;
-#ifndef OPENSSL_NO_DES
-               else if (!strcmp (*args, "-des3")) 
-                               cipher = EVP_des_ede3_cbc();
-               else if (!strcmp (*args, "-des")) 
-                               cipher = EVP_des_cbc();
-#endif
-#ifndef OPENSSL_NO_SEED
-               else if (!strcmp (*args, "-seed")) 
-                               cipher = EVP_seed_cbc();
-#endif
-#ifndef OPENSSL_NO_RC2
-               else if (!strcmp (*args, "-rc2-40")) 
-                               cipher = EVP_rc2_40_cbc();
-               else if (!strcmp (*args, "-rc2-128")) 
-                               cipher = EVP_rc2_cbc();
-               else if (!strcmp (*args, "-rc2-64")) 
-                               cipher = EVP_rc2_64_cbc();
-#endif
-#ifndef OPENSSL_NO_AES
-               else if (!strcmp(*args,"-aes128"))
-                               cipher = EVP_aes_128_cbc();
-               else if (!strcmp(*args,"-aes192"))
-                               cipher = EVP_aes_192_cbc();
-               else if (!strcmp(*args,"-aes256"))
-                               cipher = EVP_aes_256_cbc();
-#endif
-#ifndef OPENSSL_NO_CAMELLIA
-               else if (!strcmp(*args,"-camellia128"))
-                               cipher = EVP_camellia_128_cbc();
-               else if (!strcmp(*args,"-camellia192"))
-                               cipher = EVP_camellia_192_cbc();
-               else if (!strcmp(*args,"-camellia256"))
-                               cipher = EVP_camellia_256_cbc();
-#endif
-               else if (!strcmp (*args, "-text")) 
-                               flags |= CMS_TEXT;
-               else if (!strcmp (*args, "-nointern")) 
-                               flags |= CMS_NOINTERN;
-               else if (!strcmp (*args, "-noverify") 
-                       || !strcmp (*args, "-no_signer_cert_verify")) 
-                               flags |= CMS_NO_SIGNER_CERT_VERIFY;
-               else if (!strcmp (*args, "-nocerts")) 
-                               flags |= CMS_NOCERTS;
-               else if (!strcmp (*args, "-noattr")) 
-                               flags |= CMS_NOATTR;
-               else if (!strcmp (*args, "-nodetach")) 
-                               flags &= ~CMS_DETACHED;
-               else if (!strcmp (*args, "-nosmimecap"))
-                               flags |= CMS_NOSMIMECAP;
-               else if (!strcmp (*args, "-binary"))
-                               flags |= CMS_BINARY;
-               else if (!strcmp (*args, "-keyid"))
-                               flags |= CMS_USE_KEYID;
-               else if (!strcmp (*args, "-nosigs"))
-                               flags |= CMS_NOSIGS;
-               else if (!strcmp (*args, "-no_content_verify"))
-                               flags |= CMS_NO_CONTENT_VERIFY;
-               else if (!strcmp (*args, "-no_attr_verify"))
-                               flags |= CMS_NO_ATTR_VERIFY;
-               else if (!strcmp (*args, "-stream"))
-                               flags |= CMS_STREAM;
-               else if (!strcmp (*args, "-indef"))
-                               flags |= CMS_STREAM;
-               else if (!strcmp (*args, "-noindef"))
-                               flags &= ~CMS_STREAM;
-               else if (!strcmp (*args, "-nooldmime"))
-                               flags |= CMS_NOOLDMIMETYPE;
-               else if (!strcmp (*args, "-crlfeol"))
-                               flags |= CMS_CRLFEOL;
-               else if (!strcmp (*args, "-noout"))
-                               noout = 1;
-               else if (!strcmp (*args, "-receipt_request_print"))
-                               rr_print = 1;
-               else if (!strcmp (*args, "-receipt_request_all"))
-                               rr_allorfirst = 0;
-               else if (!strcmp (*args, "-receipt_request_first"))
-                               rr_allorfirst = 1;
-               else if (!strcmp(*args,"-receipt_request_from"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       if (!rr_from)
-                               rr_from = sk_OPENSSL_STRING_new_null();
-                       sk_OPENSSL_STRING_push(rr_from, *args);
-                       }
-               else if (!strcmp(*args,"-receipt_request_to"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       if (!rr_to)
-                               rr_to = sk_OPENSSL_STRING_new_null();
-                       sk_OPENSSL_STRING_push(rr_to, *args);
-                       }
-               else if (!strcmp (*args, "-print"))
-                               {
-                               noout = 1;
-                               print = 1;
-                               }
-               else if (!strcmp(*args,"-secretkey"))
-                       {
-                       long ltmp;
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       secret_key = string_to_hex(*args, &ltmp);
-                       if (!secret_key)
-                               {
-                               BIO_printf(bio_err, "Invalid key %s\n", *args);
-                               goto argerr;
-                               }
-                       secret_keylen = (size_t)ltmp;
-                       }
-               else if (!strcmp(*args,"-secretkeyid"))
-                       {
-                       long ltmp;
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       secret_keyid = string_to_hex(*args, &ltmp);
-                       if (!secret_keyid)
-                               {
-                               BIO_printf(bio_err, "Invalid id %s\n", *args);
-                               goto argerr;
-                               }
-                       secret_keyidlen = (size_t)ltmp;
-                       }
-               else if (!strcmp(*args,"-econtent_type"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       econtent_type = OBJ_txt2obj(*args, 0);
-                       if (!econtent_type)
-                               {
-                               BIO_printf(bio_err, "Invalid OID %s\n", *args);
-                               goto argerr;
-                               }
-                       }
-               else if (!strcmp(*args,"-rand"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       args++;
-                       inrand = *args;
-                       need_rand = 1;
-                       }
-#ifndef OPENSSL_NO_ENGINE
-               else if (!strcmp(*args,"-engine"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       engine = *++args;
-                       }
-#endif
-               else if (!strcmp(*args,"-passin"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       passargin = *++args;
-                       }
-               else if (!strcmp (*args, "-to"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       to = *++args;
-                       }
-               else if (!strcmp (*args, "-from"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       from = *++args;
-                       }
-               else if (!strcmp (*args, "-subject"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       subject = *++args;
-                       }
-               else if (!strcmp (*args, "-signer"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       /* If previous -signer argument add signer to list */
-
-                       if (signerfile)
-                               {
-                               if (!sksigners)
-                                       sksigners = sk_OPENSSL_STRING_new_null();
-                               sk_OPENSSL_STRING_push(sksigners, signerfile);
-                               if (!keyfile)
-                                       keyfile = signerfile;
-                               if (!skkeys)
-                                       skkeys = sk_OPENSSL_STRING_new_null();
-                               sk_OPENSSL_STRING_push(skkeys, keyfile);
-                               keyfile = NULL;
-                               }
-                       signerfile = *++args;
-                       }
-               else if (!strcmp (*args, "-recip"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       recipfile = *++args;
-                       }
-               else if (!strcmp (*args, "-certsout"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       certsoutfile = *++args;
-                       }
-               else if (!strcmp (*args, "-md"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       sign_md = EVP_get_digestbyname(*++args);
-                       if (sign_md == NULL)
-                               {
-                               BIO_printf(bio_err, "Unknown digest %s\n",
-                                                       *args);
-                               goto argerr;
-                               }
-                       }
-               else if (!strcmp (*args, "-inkey"))
-                       {
-                       if (!args[1])   
-                               goto argerr;
-                       /* If previous -inkey arument add signer to list */
-                       if (keyfile)
-                               {
-                               if (!signerfile)
-                                       {
-                                       BIO_puts(bio_err, "Illegal -inkey without -signer\n");
-                                       goto argerr;
-                                       }
-                               if (!sksigners)
-                                       sksigners = sk_OPENSSL_STRING_new_null();
-                               sk_OPENSSL_STRING_push(sksigners, signerfile);
-                               signerfile = NULL;
-                               if (!skkeys)
-                                       skkeys = sk_OPENSSL_STRING_new_null();
-                               sk_OPENSSL_STRING_push(skkeys, keyfile);
-                               }
-                       keyfile = *++args;
-                       }
-               else if (!strcmp (*args, "-keyform"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       keyform = str2fmt(*++args);
-                       }
-               else if (!strcmp (*args, "-rctform"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       rctformat = str2fmt(*++args);
-                       }
-               else if (!strcmp (*args, "-certfile"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       certfile = *++args;
-                       }
-               else if (!strcmp (*args, "-CAfile"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       CAfile = *++args;
-                       }
-               else if (!strcmp (*args, "-CApath"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       CApath = *++args;
-                       }
-               else if (!strcmp (*args, "-in"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       infile = *++args;
-                       }
-               else if (!strcmp (*args, "-inform"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       informat = str2fmt(*++args);
-                       }
-               else if (!strcmp (*args, "-outform"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       outformat = str2fmt(*++args);
-                       }
-               else if (!strcmp (*args, "-out"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       outfile = *++args;
-                       }
-               else if (!strcmp (*args, "-content"))
-                       {
-                       if (!args[1])
-                               goto argerr;
-                       contfile = *++args;
-                       }
-               else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
-                       continue;
-               else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
-                       badarg = 1;
-               args++;
-               }
-
-       if (((rr_allorfirst != -1) || rr_from) && !rr_to)
-               {
-               BIO_puts(bio_err, "No Signed Receipts Recipients\n");
-               goto argerr;
-               }
-
-       if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
-               {
-               BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
-               goto argerr;
-               }
-       if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
-               {
-               BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
-               goto argerr;
-               }
-
-       if (operation & SMIME_SIGNERS)
-               {
-               if (keyfile && !signerfile)
-                       {
-                       BIO_puts(bio_err, "Illegal -inkey without -signer\n");
-                       goto argerr;
-                       }
-               /* Check to see if any final signer needs to be appended */
-               if (signerfile)
-                       {
-                       if (!sksigners)
-                               sksigners = sk_OPENSSL_STRING_new_null();
-                       sk_OPENSSL_STRING_push(sksigners, signerfile);
-                       if (!skkeys)
-                               skkeys = sk_OPENSSL_STRING_new_null();
-                       if (!keyfile)
-                               keyfile = signerfile;
-                       sk_OPENSSL_STRING_push(skkeys, keyfile);
-                       }
-               if (!sksigners)
-                       {
-                       BIO_printf(bio_err, "No signer certificate specified\n");
-                       badarg = 1;
-                       }
-               signerfile = NULL;
-               keyfile = NULL;
-               need_rand = 1;
-               }
-
-       else if (operation == SMIME_DECRYPT)
-               {
-               if (!recipfile && !keyfile && !secret_key)
-                       {
-                       BIO_printf(bio_err, "No recipient certificate or key specified\n");
-                       badarg = 1;
-                       }
-               }
-       else if (operation == SMIME_ENCRYPT)
-               {
-               if (!*args && !secret_key)
-                       {
-                       BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
-                       badarg = 1;
-                       }
-               need_rand = 1;
-               }
-       else if (!operation)
-               badarg = 1;
-
-       if (badarg)
-               {
-               argerr:
-               BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
-               BIO_printf (bio_err, "where options are\n");
-               BIO_printf (bio_err, "-encrypt       encrypt message\n");
-               BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
-               BIO_printf (bio_err, "-sign          sign message\n");
-               BIO_printf (bio_err, "-verify        verify signed message\n");
-               BIO_printf (bio_err, "-cmsout        output CMS structure\n");
-#ifndef OPENSSL_NO_DES
-               BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
-               BIO_printf (bio_err, "-des           encrypt with DES\n");
-#endif
-#ifndef OPENSSL_NO_SEED
-               BIO_printf (bio_err, "-seed          encrypt with SEED\n");
-#endif
-#ifndef OPENSSL_NO_RC2
-               BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
-               BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
-               BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
-#endif
-#ifndef OPENSSL_NO_AES
-               BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
-               BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
-#endif
-#ifndef OPENSSL_NO_CAMELLIA
-               BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
-               BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
-#endif
-               BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
-               BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
-               BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
-               BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
-               BIO_printf (bio_err, "-nodetach      use opaque signing\n");
-               BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
-               BIO_printf (bio_err, "-binary        don't translate message to text\n");
-               BIO_printf (bio_err, "-certfile file other certificates file\n");
-               BIO_printf (bio_err, "-certsout file certificate output file\n");
-               BIO_printf (bio_err, "-signer file   signer certificate file\n");
-               BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
-               BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
-               BIO_printf (bio_err, "-in file       input file\n");
-               BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
-               BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
-               BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
-               BIO_printf (bio_err, "-out file      output file\n");
-               BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
-               BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
-               BIO_printf (bio_err, "-to addr       to address\n");
-               BIO_printf (bio_err, "-from ad       from address\n");
-               BIO_printf (bio_err, "-subject s     subject\n");
-               BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
-               BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
-               BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
-               BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
-               BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
-#ifndef OPENSSL_NO_ENGINE
-               BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
-#endif
-               BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
-               BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-               BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
-               BIO_printf(bio_err,  "               the random number generator\n");
-               BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
-               goto end;
-               }
-
-#ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
-#endif
-
-       if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
-               {
-               BIO_printf(bio_err, "Error getting password\n");
-               goto end;
-               }
-
-       if (need_rand)
-               {
-               app_RAND_load_file(NULL, bio_err, (inrand != NULL));
-               if (inrand != NULL)
-                       BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-                               app_RAND_load_files(inrand));
-               }
-
-       ret = 2;
-
-       if (!(operation & SMIME_SIGNERS))
-               flags &= ~CMS_DETACHED;
-
-       if (operation & SMIME_OP)
-               {
-               if (outformat == FORMAT_ASN1)
-                       outmode = "wb";
-               }
-       else
-               {
-               if (flags & CMS_BINARY)
-                       outmode = "wb";
-               }
-
-       if (operation & SMIME_IP)
-               {
-               if (informat == FORMAT_ASN1)
-                       inmode = "rb";
-               }
-       else
-               {
-               if (flags & CMS_BINARY)
-                       inmode = "rb";
-               }
-
-       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 (*args)
-                       encerts = sk_X509_new_null();
-               while (*args)
-                       {
-                       if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
-                               NULL, e, "recipient certificate file")))
-                               goto end;
-                       sk_X509_push(encerts, cert);
-                       cert = NULL;
-                       args++;
-                       }
-               }
-
-       if (certfile)
-               {
-               if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
-                       e, "certificate file")))
-                       {
-                       ERR_print_errors(bio_err);
-                       goto end;
-                       }
-               }
-
-       if (recipfile && (operation == SMIME_DECRYPT))
-               {
-               if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
-                       e, "recipient certificate file")))
-                       {
-                       ERR_print_errors(bio_err);
-                       goto end;
-                       }
-               }
-
-       if (operation == SMIME_SIGN_RECEIPT)
-               {
-               if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
-                       e, "receipt signer certificate file")))
-                       {
-                       ERR_print_errors(bio_err);
-                       goto end;
-                       }
-               }
-
-       if (operation == SMIME_DECRYPT)
-               {
-               if (!keyfile)
-                       keyfile = recipfile;
-               }
-       else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
-               {
-               if (!keyfile)
-                       keyfile = signerfile;
-               }
-       else keyfile = NULL;
-
-       if (keyfile)
-               {
-               key = load_key(bio_err, keyfile, keyform, 0, passin, e,
-                              "signing key file");
-               if (!key)
-                       goto end;
-               }
-
-       if (infile)
-               {
-               if (!(in = BIO_new_file(infile, inmode)))
-                       {
-                       BIO_printf (bio_err,
-                                "Can't open input file %s\n", infile);
-                       goto end;
-                       }
-               }
-       else
-               in = BIO_new_fp(stdin, BIO_NOCLOSE);
-
-       if (operation & SMIME_IP)
-               {
-               if (informat == FORMAT_SMIME) 
-                       cms = SMIME_read_CMS(in, &indata);
-               else if (informat == FORMAT_PEM) 
-                       cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
-               else if (informat == FORMAT_ASN1) 
-                       cms = d2i_CMS_bio(in, NULL);
-               else
-                       {
-                       BIO_printf(bio_err, "Bad input format for CMS file\n");
-                       goto end;
-                       }
-
-               if (!cms)
-                       {
-                       BIO_printf(bio_err, "Error reading S/MIME message\n");
-                       goto end;
-                       }
-               if (contfile)
-                       {
-                       BIO_free(indata);
-                       if (!(indata = BIO_new_file(contfile, "rb")))
-                               {
-                               BIO_printf(bio_err, "Can't read content file %s\n", contfile);
-                               goto end;
-                               }
-                       }
-               if (certsoutfile)
-                       {
-                       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)
-               {
-               char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
-               if (!(rctin = BIO_new_file(rctfile, rctmode)))
-                       {
-                       BIO_printf (bio_err,
-                                "Can't open receipt file %s\n", rctfile);
-                       goto end;
-                       }
-               
-               if (rctformat == FORMAT_SMIME) 
-                       rcms = SMIME_read_CMS(rctin, NULL);
-               else if (rctformat == FORMAT_PEM) 
-                       rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
-               else if (rctformat == FORMAT_ASN1) 
-                       rcms = d2i_CMS_bio(rctin, NULL);
-               else
-                       {
-                       BIO_printf(bio_err, "Bad input format for receipt\n");
-                       goto end;
-                       }
-
-               if (!rcms)
-                       {
-                       BIO_printf(bio_err, "Error reading receipt\n");
-                       goto end;
-                       }
-               }
-
-       if (outfile)
-               {
-               if (!(out = BIO_new_file(outfile, outmode)))
-                       {
-                       BIO_printf (bio_err,
-                                "Can't open output file %s\n", outfile);
-                       goto end;
-                       }
-               }
-       else
-               {
-               out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
-               {
-                   BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-                   out = BIO_push(tmpbio, out);
-               }
-#endif
-               }
-
-       if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
-               {
-               if (!(store = setup_verify(bio_err, CAfile, CApath)))
-                       goto end;
-               X509_STORE_set_verify_cb(store, cms_cb);
-               if (vpm)
-                       X509_STORE_set1_param(store, vpm);
-               }
-
-
-       ret = 3;
-
-       if (operation == SMIME_DATA_CREATE)
-               {
-               cms = CMS_data_create(in, flags);
-               }
-       else if (operation == SMIME_DIGEST_CREATE)
-               {
-               cms = CMS_digest_create(in, sign_md, flags);
-               }
-       else if (operation == SMIME_COMPRESS)
-               {
-               cms = CMS_compress(in, -1, flags);
-               }
-       else if (operation == SMIME_ENCRYPT)
-               {
-               flags |= CMS_PARTIAL;
-               cms = CMS_encrypt(encerts, in, cipher, flags);
-               if (!cms)
-                       goto end;
-               if (secret_key)
-                       {
-                       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 (!(flags & CMS_STREAM))
-                       {
-                       if (!CMS_final(cms, in, NULL, flags))
-                               goto end;
-                       }
-               }
-       else if (operation == SMIME_ENCRYPTED_ENCRYPT)
-               {
-               cms = CMS_EncryptedData_encrypt(in, cipher,
-                                               secret_key, secret_keylen,
-                                               flags);
-
-               }
-       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)
-                       goto end;
-               si = sk_CMS_SignerInfo_value(sis, 0);
-               srcms = CMS_sign_receipt(si, signer, key, other, flags);
-               if (!srcms)
-                       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(NULL, NULL, other, in, flags);
-                       if (!cms)
-                               goto end;
-                       if (econtent_type)
-                               CMS_set1_eContentType(cms, econtent_type);
-
-                       if (rr_to)
-                               {
-                               rr = make_receipt_request(rr_to, rr_allorfirst,
-                                                               rr_from);
-                               if (!rr)
-                                       {
-                                       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;
-                       signerfile = sk_OPENSSL_STRING_value(sksigners, i);
-                       keyfile = sk_OPENSSL_STRING_value(skkeys, i);
-                       signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
-                                       e, "signer certificate");
-                       if (!signer)
-                               goto end;
-                       key = load_key(bio_err, keyfile, keyform, 0, passin, e,
-                              "signing key file");
-                       if (!key)
-                               goto end;
-                       si = CMS_add1_signer(cms, signer, key, sign_md, flags);
-                       if (!si)
-                               goto end;
-                       if (rr && !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)
-               {
-               BIO_printf(bio_err, "Error creating CMS structure\n");
-               goto end;
-               }
-
-       ret = 4;
-       if (operation == SMIME_DECRYPT)
-               {
-
-               if (secret_key)
-                       {
-                       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)
-                       {
-                       if (!CMS_decrypt_set1_pkey(cms, key, recip))
-                               {
-                               BIO_puts(bio_err,
-                                       "Error decrypting CMS using private key\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, "Verification successful\n");
-               else
-                       {
-                       BIO_printf(bio_err, "Verification failure\n");
-                       if (verify_retcode)
-                               ret = verify_err + 32;
-                       goto end;
-                       }
-               if (signerfile)
-                       {
-                       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(bio_err, 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)
-                               CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
-                       }
-               else if (outformat == FORMAT_SMIME)
-                       {
-                       if (to)
-                               BIO_printf(out, "To: %s\n", to);
-                       if (from)
-                               BIO_printf(out, "From: %s\n", from);
-                       if (subject)
-                               BIO_printf(out, "Subject: %s\n", subject);
-                       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);
-       if (need_rand)
-               app_RAND_write_file(NULL, bio_err);
-       sk_X509_pop_free(encerts, X509_free);
-       sk_X509_pop_free(other, X509_free);
-       if (vpm)
-               X509_VERIFY_PARAM_free(vpm);
-       if (sksigners)
-               sk_OPENSSL_STRING_free(sksigners);
-       if (skkeys)
-               sk_OPENSSL_STRING_free(skkeys);
-       if (secret_key)
-               OPENSSL_free(secret_key);
-       if (secret_keyid)
-               OPENSSL_free(secret_keyid);
-       if (econtent_type)
-               ASN1_OBJECT_free(econtent_type);
-       if (rr)
-               CMS_ReceiptRequest_free(rr);
-       if (rr_to)
-               sk_OPENSSL_STRING_free(rr_to);
-       if (rr_from)
-               sk_OPENSSL_STRING_free(rr_from);
-       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);
-       BIO_free(rctin);
-       BIO_free(in);
-       BIO_free(indata);
-       BIO_free_all(out);
-       if (passin) OPENSSL_free(passin);
-       return (ret);
+{
+    ENGINE *e = NULL;
+    int operation = 0;
+    int ret = 0;
+    char **args;
+    const char *inmode = "r", *outmode = "w";
+    char *infile = NULL, *outfile = NULL, *rctfile = NULL;
+    char *signerfile = NULL, *recipfile = NULL;
+    STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
+    char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
+    char *certsoutfile = NULL;
+    const EVP_CIPHER *cipher = NULL;
+    CMS_ContentInfo *cms = NULL, *rcms = NULL;
+    X509_STORE *store = NULL;
+    X509 *cert = NULL, *recip = NULL, *signer = NULL;
+    EVP_PKEY *key = NULL;
+    STACK_OF(X509) *encerts = NULL, *other = NULL;
+    BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
+    int badarg = 0;
+    int flags = CMS_DETACHED, noout = 0, print = 0;
+    int verify_retcode = 0;
+    int rr_print = 0, rr_allorfirst = -1;
+    STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
+    CMS_ReceiptRequest *rr = NULL;
+    char *to = NULL, *from = NULL, *subject = NULL;
+    char *CAfile = NULL, *CApath = NULL;
+    char *passargin = NULL, *passin = NULL;
+    char *inrand = NULL;
+    int need_rand = 0;
+    const EVP_MD *sign_md = NULL;
+    int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
+    int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
+# ifndef OPENSSL_NO_ENGINE
+    char *engine = NULL;
+# endif
+    unsigned char *secret_key = NULL, *secret_keyid = NULL;
+    unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
+    size_t secret_keylen = 0, secret_keyidlen = 0;
+
+    ASN1_OBJECT *econtent_type = NULL;
+
+    X509_VERIFY_PARAM *vpm = NULL;
+
+    args = argv + 1;
+    ret = 1;
+
+    apps_startup();
+
+    if (bio_err == NULL) {
+        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+    }
+
+    if (!load_config(bio_err, NULL))
+        goto end;
+
+    while (!badarg && *args && *args[0] == '-') {
+        if (!strcmp(*args, "-encrypt"))
+            operation = SMIME_ENCRYPT;
+        else if (!strcmp(*args, "-decrypt"))
+            operation = SMIME_DECRYPT;
+        else if (!strcmp(*args, "-sign"))
+            operation = SMIME_SIGN;
+        else if (!strcmp(*args, "-sign_receipt"))
+            operation = SMIME_SIGN_RECEIPT;
+        else if (!strcmp(*args, "-resign"))
+            operation = SMIME_RESIGN;
+        else if (!strcmp(*args, "-verify"))
+            operation = SMIME_VERIFY;
+        else if (!strcmp(*args, "-verify_retcode"))
+            verify_retcode = 1;
+        else if (!strcmp(*args, "-verify_receipt")) {
+            operation = SMIME_VERIFY_RECEIPT;
+            if (!args[1])
+                goto argerr;
+            args++;
+            rctfile = *args;
+        } else if (!strcmp(*args, "-cmsout"))
+            operation = SMIME_CMSOUT;
+        else if (!strcmp(*args, "-data_out"))
+            operation = SMIME_DATAOUT;
+        else if (!strcmp(*args, "-data_create"))
+            operation = SMIME_DATA_CREATE;
+        else if (!strcmp(*args, "-digest_verify"))
+            operation = SMIME_DIGEST_VERIFY;
+        else if (!strcmp(*args, "-digest_create"))
+            operation = SMIME_DIGEST_CREATE;
+        else if (!strcmp(*args, "-compress"))
+            operation = SMIME_COMPRESS;
+        else if (!strcmp(*args, "-uncompress"))
+            operation = SMIME_UNCOMPRESS;
+        else if (!strcmp(*args, "-EncryptedData_decrypt"))
+            operation = SMIME_ENCRYPTED_DECRYPT;
+        else if (!strcmp(*args, "-EncryptedData_encrypt"))
+            operation = SMIME_ENCRYPTED_ENCRYPT;
+# ifndef OPENSSL_NO_DES
+        else if (!strcmp(*args, "-des3"))
+            cipher = EVP_des_ede3_cbc();
+        else if (!strcmp(*args, "-des"))
+            cipher = EVP_des_cbc();
+# endif
+# ifndef OPENSSL_NO_SEED
+        else if (!strcmp(*args, "-seed"))
+            cipher = EVP_seed_cbc();
+# endif
+# ifndef OPENSSL_NO_RC2
+        else if (!strcmp(*args, "-rc2-40"))
+            cipher = EVP_rc2_40_cbc();
+        else if (!strcmp(*args, "-rc2-128"))
+            cipher = EVP_rc2_cbc();
+        else if (!strcmp(*args, "-rc2-64"))
+            cipher = EVP_rc2_64_cbc();
+# endif
+# ifndef OPENSSL_NO_AES
+        else if (!strcmp(*args, "-aes128"))
+            cipher = EVP_aes_128_cbc();
+        else if (!strcmp(*args, "-aes192"))
+            cipher = EVP_aes_192_cbc();
+        else if (!strcmp(*args, "-aes256"))
+            cipher = EVP_aes_256_cbc();
+# endif
+# ifndef OPENSSL_NO_CAMELLIA
+        else if (!strcmp(*args, "-camellia128"))
+            cipher = EVP_camellia_128_cbc();
+        else if (!strcmp(*args, "-camellia192"))
+            cipher = EVP_camellia_192_cbc();
+        else if (!strcmp(*args, "-camellia256"))
+            cipher = EVP_camellia_256_cbc();
+# endif
+        else if (!strcmp(*args, "-debug_decrypt"))
+            flags |= CMS_DEBUG_DECRYPT;
+        else if (!strcmp(*args, "-text"))
+            flags |= CMS_TEXT;
+        else if (!strcmp(*args, "-nointern"))
+            flags |= CMS_NOINTERN;
+        else if (!strcmp(*args, "-noverify")
+                 || !strcmp(*args, "-no_signer_cert_verify"))
+            flags |= CMS_NO_SIGNER_CERT_VERIFY;
+        else if (!strcmp(*args, "-nocerts"))
+            flags |= CMS_NOCERTS;
+        else if (!strcmp(*args, "-noattr"))
+            flags |= CMS_NOATTR;
+        else if (!strcmp(*args, "-nodetach"))
+            flags &= ~CMS_DETACHED;
+        else if (!strcmp(*args, "-nosmimecap"))
+            flags |= CMS_NOSMIMECAP;
+        else if (!strcmp(*args, "-binary"))
+            flags |= CMS_BINARY;
+        else if (!strcmp(*args, "-keyid"))
+            flags |= CMS_USE_KEYID;
+        else if (!strcmp(*args, "-nosigs"))
+            flags |= CMS_NOSIGS;
+        else if (!strcmp(*args, "-no_content_verify"))
+            flags |= CMS_NO_CONTENT_VERIFY;
+        else if (!strcmp(*args, "-no_attr_verify"))
+            flags |= CMS_NO_ATTR_VERIFY;
+        else if (!strcmp(*args, "-stream"))
+            flags |= CMS_STREAM;
+        else if (!strcmp(*args, "-indef"))
+            flags |= CMS_STREAM;
+        else if (!strcmp(*args, "-noindef"))
+            flags &= ~CMS_STREAM;
+        else if (!strcmp(*args, "-nooldmime"))
+            flags |= CMS_NOOLDMIMETYPE;
+        else if (!strcmp(*args, "-crlfeol"))
+            flags |= CMS_CRLFEOL;
+        else if (!strcmp(*args, "-noout"))
+            noout = 1;
+        else if (!strcmp(*args, "-receipt_request_print"))
+            rr_print = 1;
+        else if (!strcmp(*args, "-receipt_request_all"))
+            rr_allorfirst = 0;
+        else if (!strcmp(*args, "-receipt_request_first"))
+            rr_allorfirst = 1;
+        else if (!strcmp(*args, "-receipt_request_from")) {
+            if (!args[1])
+                goto argerr;
+            args++;
+            if (!rr_from)
+                rr_from = sk_OPENSSL_STRING_new_null();
+            sk_OPENSSL_STRING_push(rr_from, *args);
+        } else if (!strcmp(*args, "-receipt_request_to")) {
+            if (!args[1])
+                goto argerr;
+            args++;
+            if (!rr_to)
+                rr_to = sk_OPENSSL_STRING_new_null();
+            sk_OPENSSL_STRING_push(rr_to, *args);
+        } else if (!strcmp(*args, "-print")) {
+            noout = 1;
+            print = 1;
+        } else if (!strcmp(*args, "-secretkey")) {
+            long ltmp;
+            if (!args[1])
+                goto argerr;
+            args++;
+            secret_key = string_to_hex(*args, &ltmp);
+            if (!secret_key) {
+                BIO_printf(bio_err, "Invalid key %s\n", *args);
+                goto argerr;
+            }
+            secret_keylen = (size_t)ltmp;
+        } else if (!strcmp(*args, "-secretkeyid")) {
+            long ltmp;
+            if (!args[1])
+                goto argerr;
+            args++;
+            secret_keyid = string_to_hex(*args, &ltmp);
+            if (!secret_keyid) {
+                BIO_printf(bio_err, "Invalid id %s\n", *args);
+                goto argerr;
+            }
+            secret_keyidlen = (size_t)ltmp;
+        } else if (!strcmp(*args, "-pwri_password")) {
+            if (!args[1])
+                goto argerr;
+            args++;
+            pwri_pass = (unsigned char *)*args;
+        } else if (!strcmp(*args, "-econtent_type")) {
+            if (!args[1])
+                goto argerr;
+            args++;
+            econtent_type = OBJ_txt2obj(*args, 0);
+            if (!econtent_type) {
+                BIO_printf(bio_err, "Invalid OID %s\n", *args);
+                goto argerr;
+            }
+        } else if (!strcmp(*args, "-rand")) {
+            if (!args[1])
+                goto argerr;
+            args++;
+            inrand = *args;
+            need_rand = 1;
+        }
+# ifndef OPENSSL_NO_ENGINE
+        else if (!strcmp(*args, "-engine")) {
+            if (!args[1])
+                goto argerr;
+            engine = *++args;
+        }
+# endif
+        else if (!strcmp(*args, "-passin")) {
+            if (!args[1])
+                goto argerr;
+            passargin = *++args;
+        } else if (!strcmp(*args, "-to")) {
+            if (!args[1])
+                goto argerr;
+            to = *++args;
+        } else if (!strcmp(*args, "-from")) {
+            if (!args[1])
+                goto argerr;
+            from = *++args;
+        } else if (!strcmp(*args, "-subject")) {
+            if (!args[1])
+                goto argerr;
+            subject = *++args;
+        } else if (!strcmp(*args, "-signer")) {
+            if (!args[1])
+                goto argerr;
+            /* If previous -signer argument add signer to list */
+
+            if (signerfile) {
+                if (!sksigners)
+                    sksigners = sk_OPENSSL_STRING_new_null();
+                sk_OPENSSL_STRING_push(sksigners, signerfile);
+                if (!keyfile)
+                    keyfile = signerfile;
+                if (!skkeys)
+                    skkeys = sk_OPENSSL_STRING_new_null();
+                sk_OPENSSL_STRING_push(skkeys, keyfile);
+                keyfile = NULL;
+            }
+            signerfile = *++args;
+        } else if (!strcmp(*args, "-recip")) {
+            if (!args[1])
+                goto argerr;
+            recipfile = *++args;
+        } else if (!strcmp(*args, "-certsout")) {
+            if (!args[1])
+                goto argerr;
+            certsoutfile = *++args;
+        } else if (!strcmp(*args, "-md")) {
+            if (!args[1])
+                goto argerr;
+            sign_md = EVP_get_digestbyname(*++args);
+            if (sign_md == NULL) {
+                BIO_printf(bio_err, "Unknown digest %s\n", *args);
+                goto argerr;
+            }
+        } else if (!strcmp(*args, "-inkey")) {
+            if (!args[1])
+                goto argerr;
+            /* If previous -inkey arument add signer to list */
+            if (keyfile) {
+                if (!signerfile) {
+                    BIO_puts(bio_err, "Illegal -inkey without -signer\n");
+                    goto argerr;
+                }
+                if (!sksigners)
+                    sksigners = sk_OPENSSL_STRING_new_null();
+                sk_OPENSSL_STRING_push(sksigners, signerfile);
+                signerfile = NULL;
+                if (!skkeys)
+                    skkeys = sk_OPENSSL_STRING_new_null();
+                sk_OPENSSL_STRING_push(skkeys, keyfile);
+            }
+            keyfile = *++args;
+        } else if (!strcmp(*args, "-keyform")) {
+            if (!args[1])
+                goto argerr;
+            keyform = str2fmt(*++args);
+        } else if (!strcmp(*args, "-rctform")) {
+            if (!args[1])
+                goto argerr;
+            rctformat = str2fmt(*++args);
+        } else if (!strcmp(*args, "-certfile")) {
+            if (!args[1])
+                goto argerr;
+            certfile = *++args;
+        } else if (!strcmp(*args, "-CAfile")) {
+            if (!args[1])
+                goto argerr;
+            CAfile = *++args;
+        } else if (!strcmp(*args, "-CApath")) {
+            if (!args[1])
+                goto argerr;
+            CApath = *++args;
+        } else if (!strcmp(*args, "-in")) {
+            if (!args[1])
+                goto argerr;
+            infile = *++args;
+        } else if (!strcmp(*args, "-inform")) {
+            if (!args[1])
+                goto argerr;
+            informat = str2fmt(*++args);
+        } else if (!strcmp(*args, "-outform")) {
+            if (!args[1])
+                goto argerr;
+            outformat = str2fmt(*++args);
+        } else if (!strcmp(*args, "-out")) {
+            if (!args[1])
+                goto argerr;
+            outfile = *++args;
+        } else if (!strcmp(*args, "-content")) {
+            if (!args[1])
+                goto argerr;
+            contfile = *++args;
+        } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
+            continue;
+        else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
+            badarg = 1;
+        args++;
+    }
+
+    if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
+        BIO_puts(bio_err, "No Signed Receipts Recipients\n");
+        goto argerr;
+    }
+
+    if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
+        BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
+        goto argerr;
+    }
+    if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
+        BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
+        goto argerr;
+    }
+
+    if (operation & SMIME_SIGNERS) {
+        if (keyfile && !signerfile) {
+            BIO_puts(bio_err, "Illegal -inkey without -signer\n");
+            goto argerr;
+        }
+        /* Check to see if any final signer needs to be appended */
+        if (signerfile) {
+            if (!sksigners)
+                sksigners = sk_OPENSSL_STRING_new_null();
+            sk_OPENSSL_STRING_push(sksigners, signerfile);
+            if (!skkeys)
+                skkeys = sk_OPENSSL_STRING_new_null();
+            if (!keyfile)
+                keyfile = signerfile;
+            sk_OPENSSL_STRING_push(skkeys, keyfile);
+        }
+        if (!sksigners) {
+            BIO_printf(bio_err, "No signer certificate specified\n");
+            badarg = 1;
+        }
+        signerfile = NULL;
+        keyfile = NULL;
+        need_rand = 1;
+    }
+
+    else if (operation == SMIME_DECRYPT) {
+        if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
+            BIO_printf(bio_err,
+                       "No recipient certificate or key specified\n");
+            badarg = 1;
+        }
+    } else if (operation == SMIME_ENCRYPT) {
+        if (!*args && !secret_key && !pwri_pass) {
+            BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
+            badarg = 1;
+        }
+        need_rand = 1;
+    } else if (!operation)
+        badarg = 1;
+
+    if (badarg) {
+ argerr:
+        BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n");
+        BIO_printf(bio_err, "where options are\n");
+        BIO_printf(bio_err, "-encrypt       encrypt message\n");
+        BIO_printf(bio_err, "-decrypt       decrypt encrypted message\n");
+        BIO_printf(bio_err, "-sign          sign message\n");
+        BIO_printf(bio_err, "-verify        verify signed message\n");
+        BIO_printf(bio_err, "-cmsout        output CMS structure\n");
+# ifndef OPENSSL_NO_DES
+        BIO_printf(bio_err, "-des3          encrypt with triple DES\n");
+        BIO_printf(bio_err, "-des           encrypt with DES\n");
+# endif
+# ifndef OPENSSL_NO_SEED
+        BIO_printf(bio_err, "-seed          encrypt with SEED\n");
+# endif
+# ifndef OPENSSL_NO_RC2
+        BIO_printf(bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
+        BIO_printf(bio_err, "-rc2-64        encrypt with RC2-64\n");
+        BIO_printf(bio_err, "-rc2-128       encrypt with RC2-128\n");
+# endif
+# ifndef OPENSSL_NO_AES
+        BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
+        BIO_printf(bio_err,
+                   "               encrypt PEM output with cbc aes\n");
+# endif
+# ifndef OPENSSL_NO_CAMELLIA
+        BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
+        BIO_printf(bio_err,
+                   "               encrypt PEM output with cbc camellia\n");
+# endif
+        BIO_printf(bio_err,
+                   "-nointern      don't search certificates in message for signer\n");
+        BIO_printf(bio_err,
+                   "-nosigs        don't verify message signature\n");
+        BIO_printf(bio_err,
+                   "-noverify      don't verify signers certificate\n");
+        BIO_printf(bio_err,
+                   "-nocerts       don't include signers certificate when signing\n");
+        BIO_printf(bio_err, "-nodetach      use opaque signing\n");
+        BIO_printf(bio_err,
+                   "-noattr        don't include any signed attributes\n");
+        BIO_printf(bio_err,
+                   "-binary        don't translate message to text\n");
+        BIO_printf(bio_err, "-certfile file other certificates file\n");
+        BIO_printf(bio_err, "-certsout file certificate output file\n");
+        BIO_printf(bio_err, "-signer file   signer certificate file\n");
+        BIO_printf(bio_err,
+                   "-recip  file   recipient certificate file for decryption\n");
+        BIO_printf(bio_err, "-keyid         use subject key identifier\n");
+        BIO_printf(bio_err, "-in file       input file\n");
+        BIO_printf(bio_err,
+                   "-inform arg    input format SMIME (default), PEM or DER\n");
+        BIO_printf(bio_err,
+                   "-inkey file    input private key (if not signer or recipient)\n");
+        BIO_printf(bio_err,
+                   "-keyform arg   input private key format (PEM or ENGINE)\n");
+        BIO_printf(bio_err, "-out file      output file\n");
+        BIO_printf(bio_err,
+                   "-outform arg   output format SMIME (default), PEM or DER\n");
+        BIO_printf(bio_err,
+                   "-content file  supply or override content for detached signature\n");
+        BIO_printf(bio_err, "-to addr       to address\n");
+        BIO_printf(bio_err, "-from ad       from address\n");
+        BIO_printf(bio_err, "-subject s     subject\n");
+        BIO_printf(bio_err,
+                   "-text          include or delete text MIME headers\n");
+        BIO_printf(bio_err,
+                   "-CApath dir    trusted certificates directory\n");
+        BIO_printf(bio_err, "-CAfile file   trusted certificates file\n");
+        BIO_printf(bio_err,
+                   "-crl_check     check revocation status of signer's certificate using CRLs\n");
+        BIO_printf(bio_err,
+                   "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
+# ifndef OPENSSL_NO_ENGINE
+        BIO_printf(bio_err,
+                   "-engine e      use engine e, possibly a hardware device.\n");
+# endif
+        BIO_printf(bio_err, "-passin arg    input file pass phrase source\n");
+        BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
+                   LIST_SEPARATOR_CHAR);
+        BIO_printf(bio_err,
+                   "               load the file (or the files in the directory) into\n");
+        BIO_printf(bio_err, "               the random number generator\n");
+        BIO_printf(bio_err,
+                   "cert.pem       recipient certificate(s) for encryption\n");
+        goto end;
+    }
+# ifndef OPENSSL_NO_ENGINE
+    e = setup_engine(bio_err, engine, 0);
+# endif
+
+    if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
+        BIO_printf(bio_err, "Error getting password\n");
+        goto end;
+    }
+
+    if (need_rand) {
+        app_RAND_load_file(NULL, bio_err, (inrand != NULL));
+        if (inrand != NULL)
+            BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+                       app_RAND_load_files(inrand));
+    }
+
+    ret = 2;
+
+    if (!(operation & SMIME_SIGNERS))
+        flags &= ~CMS_DETACHED;
+
+    if (operation & SMIME_OP) {
+        if (outformat == FORMAT_ASN1)
+            outmode = "wb";
+    } else {
+        if (flags & CMS_BINARY)
+            outmode = "wb";
+    }
+
+    if (operation & SMIME_IP) {
+        if (informat == FORMAT_ASN1)
+            inmode = "rb";
+    } else {
+        if (flags & CMS_BINARY)
+            inmode = "rb";
+    }
+
+    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 (*args)
+            encerts = sk_X509_new_null();
+        while (*args) {
+            if (!(cert = load_cert(bio_err, *args, FORMAT_PEM,
+                                   NULL, e, "recipient certificate file")))
+                goto end;
+            sk_X509_push(encerts, cert);
+            cert = NULL;
+            args++;
+        }
+    }
+
+    if (certfile) {
+        if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL,
+                                 e, "certificate file"))) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+    }
+
+    if (recipfile && (operation == SMIME_DECRYPT)) {
+        if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL,
+                                e, "recipient certificate file"))) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+    }
+
+    if (operation == SMIME_SIGN_RECEIPT) {
+        if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
+                                 e, "receipt signer certificate file"))) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+    }
+
+    if (operation == SMIME_DECRYPT) {
+        if (!keyfile)
+            keyfile = recipfile;
+    } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
+        if (!keyfile)
+            keyfile = signerfile;
+    } else
+        keyfile = NULL;
+
+    if (keyfile) {
+        key = load_key(bio_err, keyfile, keyform, 0, passin, e,
+                       "signing key file");
+        if (!key)
+            goto end;
+    }
+
+    if (infile) {
+        if (!(in = BIO_new_file(infile, inmode))) {
+            BIO_printf(bio_err, "Can't open input file %s\n", infile);
+            goto end;
+        }
+    } else
+        in = BIO_new_fp(stdin, BIO_NOCLOSE);
+
+    if (operation & SMIME_IP) {
+        if (informat == FORMAT_SMIME)
+            cms = SMIME_read_CMS(in, &indata);
+        else if (informat == FORMAT_PEM)
+            cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
+        else if (informat == FORMAT_ASN1)
+            cms = d2i_CMS_bio(in, NULL);
+        else {
+            BIO_printf(bio_err, "Bad input format for CMS file\n");
+            goto end;
+        }
+
+        if (!cms) {
+            BIO_printf(bio_err, "Error reading S/MIME message\n");
+            goto end;
+        }
+        if (contfile) {
+            BIO_free(indata);
+            if (!(indata = BIO_new_file(contfile, "rb"))) {
+                BIO_printf(bio_err, "Can't read content file %s\n", contfile);
+                goto end;
+            }
+        }
+        if (certsoutfile) {
+            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) {
+        char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
+        if (!(rctin = BIO_new_file(rctfile, rctmode))) {
+            BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
+            goto end;
+        }
+
+        if (rctformat == FORMAT_SMIME)
+            rcms = SMIME_read_CMS(rctin, NULL);
+        else if (rctformat == FORMAT_PEM)
+            rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
+        else if (rctformat == FORMAT_ASN1)
+            rcms = d2i_CMS_bio(rctin, NULL);
+        else {
+            BIO_printf(bio_err, "Bad input format for receipt\n");
+            goto end;
+        }
+
+        if (!rcms) {
+            BIO_printf(bio_err, "Error reading receipt\n");
+            goto end;
+        }
+    }
+
+    if (outfile) {
+        if (!(out = BIO_new_file(outfile, outmode))) {
+            BIO_printf(bio_err, "Can't open output file %s\n", outfile);
+            goto end;
+        }
+    } else {
+        out = BIO_new_fp(stdout, BIO_NOCLOSE);
+# ifdef OPENSSL_SYS_VMS
+        {
+            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+            out = BIO_push(tmpbio, out);
+        }
+# endif
+    }
+
+    if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
+        if (!(store = setup_verify(bio_err, CAfile, CApath)))
+            goto end;
+        X509_STORE_set_verify_cb(store, cms_cb);
+        if (vpm)
+            X509_STORE_set1_param(store, vpm);
+    }
+
+    ret = 3;
+
+    if (operation == SMIME_DATA_CREATE) {
+        cms = CMS_data_create(in, flags);
+    } else if (operation == SMIME_DIGEST_CREATE) {
+        cms = CMS_digest_create(in, sign_md, flags);
+    } else if (operation == SMIME_COMPRESS) {
+        cms = CMS_compress(in, -1, flags);
+    } else if (operation == SMIME_ENCRYPT) {
+        flags |= CMS_PARTIAL;
+        cms = CMS_encrypt(encerts, in, cipher, flags);
+        if (!cms)
+            goto end;
+        if (secret_key) {
+            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) {
+            pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
+            if (!pwri_tmp)
+                goto end;
+            if (!CMS_add0_recipient_password(cms,
+                                             -1, NID_undef, NID_undef,
+                                             pwri_tmp, -1, 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(in, cipher,
+                                        secret_key, secret_keylen, flags);
+
+    } 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)
+            goto end;
+        si = sk_CMS_SignerInfo_value(sis, 0);
+        srcms = CMS_sign_receipt(si, signer, key, other, flags);
+        if (!srcms)
+            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(NULL, NULL, other, in, flags);
+            if (!cms)
+                goto end;
+            if (econtent_type)
+                CMS_set1_eContentType(cms, econtent_type);
+
+            if (rr_to) {
+                rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
+                if (!rr) {
+                    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;
+            signerfile = sk_OPENSSL_STRING_value(sksigners, i);
+            keyfile = sk_OPENSSL_STRING_value(skkeys, i);
+            signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
+                               e, "signer certificate");
+            if (!signer)
+                goto end;
+            key = load_key(bio_err, keyfile, keyform, 0, passin, e,
+                           "signing key file");
+            if (!key)
+                goto end;
+            si = CMS_add1_signer(cms, signer, key, sign_md, flags);
+            if (!si)
+                goto end;
+            if (rr && !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) {
+        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) {
+            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) {
+            if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
+                BIO_puts(bio_err, "Error decrypting CMS using private key\n");
+                goto end;
+            }
+        }
+
+        if (pwri_pass) {
+            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, "Verification successful\n");
+        else {
+            BIO_printf(bio_err, "Verification failure\n");
+            if (verify_retcode)
+                ret = verify_err + 32;
+            goto end;
+        }
+        if (signerfile) {
+            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(bio_err, 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)
+                CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
+        } else if (outformat == FORMAT_SMIME) {
+            if (to)
+                BIO_printf(out, "To: %s\n", to);
+            if (from)
+                BIO_printf(out, "From: %s\n", from);
+            if (subject)
+                BIO_printf(out, "Subject: %s\n", subject);
+            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);
+    if (need_rand)
+        app_RAND_write_file(NULL, bio_err);
+    sk_X509_pop_free(encerts, X509_free);
+    sk_X509_pop_free(other, X509_free);
+    if (vpm)
+        X509_VERIFY_PARAM_free(vpm);
+    if (sksigners)
+        sk_OPENSSL_STRING_free(sksigners);
+    if (skkeys)
+        sk_OPENSSL_STRING_free(skkeys);
+    if (secret_key)
+        OPENSSL_free(secret_key);
+    if (secret_keyid)
+        OPENSSL_free(secret_keyid);
+    if (pwri_tmp)
+        OPENSSL_free(pwri_tmp);
+    if (econtent_type)
+        ASN1_OBJECT_free(econtent_type);
+    if (rr)
+        CMS_ReceiptRequest_free(rr);
+    if (rr_to)
+        sk_OPENSSL_STRING_free(rr_to);
+    if (rr_from)
+        sk_OPENSSL_STRING_free(rr_from);
+    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);
+    BIO_free(rctin);
+    BIO_free(in);
+    BIO_free(indata);
+    BIO_free_all(out);
+    if (passin)
+        OPENSSL_free(passin);
+    return (ret);
 }
 
 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
-       {
-       int i;
-       BIO *tmp;
-       if (!signerfile)
-               return 1;
-       tmp = BIO_new_file(signerfile, "w");
-       if (!tmp) 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;
-       }
-       
+{
+    int i;
+    BIO *tmp;
+    if (!signerfile)
+        return 1;
+    tmp = BIO_new_file(signerfile, "w");
+    if (!tmp)
+        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;
+{
+    int error;
 
-       error = X509_STORE_CTX_get_error(ctx);
+    error = X509_STORE_CTX_get_error(ctx);
 
-       verify_err = error;
+    verify_err = error;
 
-       if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
-               && ((error != X509_V_OK) || (ok != 2)))
-               return ok;
+    if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
+        && ((error != X509_V_OK) || (ok != 2)))
+        return ok;
 
-       policies_print(NULL, ctx);
+    policies_print(NULL, ctx);
 
-       return ok;
+    return ok;
 
-       }
+}
 
 static void gnames_stack_print(BIO *out, 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(out, "    ");
-                       GENERAL_NAME_print(out, gen);
-                       BIO_puts(out, "\n");
-                       }
-               }
-       return;
-       }
+{
+    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(out, "    ");
+            GENERAL_NAME_print(out, gen);
+            BIO_puts(out, "\n");
+        }
+    }
+    return;
+}
 
 static void receipt_request_print(BIO *out, 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
-                       {
-                       char *id;
-                       int idlen;
-                       CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
-                                                       &rlist, &rto);
-                       BIO_puts(out, "  Signed Content ID:\n");
-                       idlen = ASN1_STRING_length(scid);
-                       id = (char *)ASN1_STRING_data(scid);
-                       BIO_dump_indent(out, id, idlen, 4);
-                       BIO_puts(out, "  Receipts From");
-                       if (rlist)
-                               {
-                               BIO_puts(out, " List:\n");
-                               gnames_stack_print(out, rlist);
-                               }
-                       else if (allorfirst == 1)
-                               BIO_puts(out, ": First Tier\n");
-                       else if (allorfirst == 0)
-                               BIO_puts(out, ": All\n");
-                       else
-                               BIO_printf(out, " Unknown (%d)\n", allorfirst);
-                       BIO_puts(out, "  Receipts To:\n");
-                       gnames_stack_print(out, rto);
-                       }
-               if (rr)
-                       CMS_ReceiptRequest_free(rr);
-               }
-       }
+{
+    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 {
+            char *id;
+            int idlen;
+            CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
+                                           &rlist, &rto);
+            BIO_puts(out, "  Signed Content ID:\n");
+            idlen = ASN1_STRING_length(scid);
+            id = (char *)ASN1_STRING_data(scid);
+            BIO_dump_indent(out, id, idlen, 4);
+            BIO_puts(out, "  Receipts From");
+            if (rlist) {
+                BIO_puts(out, " List:\n");
+                gnames_stack_print(out, rlist);
+            } else if (allorfirst == 1)
+                BIO_puts(out, ": First Tier\n");
+            else if (allorfirst == 0)
+                BIO_puts(out, ": All\n");
+            else
+                BIO_printf(out, " Unknown (%d)\n", allorfirst);
+            BIO_puts(out, "  Receipts To:\n");
+            gnames_stack_print(out, rto);
+        }
+        if (rr)
+            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)
-               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)
-                       goto err;
-               gens = GENERAL_NAMES_new();
-               if (!gens)
-                       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:
-       if (ret)
-               sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
-       if (gens)
-               GENERAL_NAMES_free(gens);
-       if (gen)
-               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)
-       {
-       STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
-       CMS_ReceiptRequest *rr;
-       rct_to = make_names_stack(rr_to);
-       if (!rct_to)
-               goto err;
-       if (rr_from)
-               {
-               rct_from = make_names_stack(rr_from);
-               if (!rct_from)
-                       goto err;
-               }
-       else
-               rct_from = NULL;
-       rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
-                                               rct_to);
-       return rr;
-       err:
-       return NULL;
-       }
+{
+    int i;
+    STACK_OF(GENERAL_NAMES) *ret;
+    GENERAL_NAMES *gens = NULL;
+    GENERAL_NAME *gen = NULL;
+    ret = sk_GENERAL_NAMES_new_null();
+    if (!ret)
+        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)
+            goto err;
+        gens = GENERAL_NAMES_new();
+        if (!gens)
+            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:
+    if (ret)
+        sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
+    if (gens)
+        GENERAL_NAMES_free(gens);
+    if (gen)
+        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)
+{
+    STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
+    CMS_ReceiptRequest *rr;
+    rct_to = make_names_stack(rr_to);
+    if (!rct_to)
+        goto err;
+    if (rr_from) {
+        rct_from = make_names_stack(rr_from);
+        if (!rct_from)
+            goto err;
+    } else
+        rct_from = NULL;
+    rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
+                                    rct_to);
+    return rr;
+ err:
+    return NULL;
+}
 
 #endif