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pkcs12.c

/* pkcs12.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project.
 */
/* ====================================================================
 * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>

#define PROG pkcs12_main

const EVP_CIPHER *enc;


#define NOKEYS          0x1
#define NOCERTS   0x2
#define INFO            0x4
#define CLCERTS         0x8
#define CACERTS         0x10

int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain);
int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options, char *pempass);
int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags, char *pass,
                    int passlen, int options, char *pempass);
int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass, int passlen, int options, char *pempass);
int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,const char *name);
void hex_prin(BIO *out, unsigned char *buf, int len);
int alg_print(BIO *x, X509_ALGOR *alg);
int cert_load(BIO *in, STACK_OF(X509) *sk);
static int set_pbe(BIO *err, int *ppbe, const char *str);

int MAIN(int, char **);

int MAIN(int argc, char **argv)
{
    ENGINE *e = NULL;
    char *infile=NULL, *outfile=NULL, *keyname = NULL;      
    char *certfile=NULL;
    BIO *in=NULL, *out = NULL;
    char **args;
    char *name = NULL;
    char *csp_name = NULL;
    int add_lmk = 0;
    PKCS12 *p12 = NULL;
    char pass[50], macpass[50];
    int export_cert = 0;
    int options = 0;
    int chain = 0;
    int badarg = 0;
    int iter = PKCS12_DEFAULT_ITER;
    int maciter = PKCS12_DEFAULT_ITER;
    int twopass = 0;
    int keytype = 0;
    int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
    int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
    int ret = 1;
    int macver = 1;
    int noprompt = 0;
    STACK_OF(OPENSSL_STRING) *canames = NULL;
    char *cpass = NULL, *mpass = NULL;
    char *passargin = NULL, *passargout = NULL, *passarg = NULL;
    char *passin = NULL, *passout = NULL;
    char *inrand = NULL;
    char *macalg = NULL;
    char *CApath = NULL, *CAfile = NULL;
#ifndef OPENSSL_NO_ENGINE
    char *engine=NULL;
#endif

    apps_startup();

    enc = EVP_des_ede3_cbc();
    if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);

      if (!load_config(bio_err, NULL))
            goto end;

    args = argv + 1;


    while (*args) {
      if (*args[0] == '-') {
            if (!strcmp (*args, "-nokeys")) options |= NOKEYS;
            else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;
            else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;
            else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;
            else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;
            else if (!strcmp (*args, "-cacerts")) options |= CACERTS;
            else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);
            else if (!strcmp (*args, "-info")) options |= INFO;
            else if (!strcmp (*args, "-chain")) chain = 1;
            else if (!strcmp (*args, "-twopass")) twopass = 1;
            else if (!strcmp (*args, "-nomacver")) macver = 0;
            else if (!strcmp (*args, "-descert"))
                  cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
            else if (!strcmp (*args, "-export")) export_cert = 1;
            else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();
            else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();
#ifndef OPENSSL_NO_IDEA
            else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();
#endif
#ifndef OPENSSL_NO_SEED
            else if (!strcmp(*args, "-seed")) enc=EVP_seed_cbc();
#endif
#ifndef OPENSSL_NO_AES
            else if (!strcmp(*args,"-aes128")) enc=EVP_aes_128_cbc();
            else if (!strcmp(*args,"-aes192")) enc=EVP_aes_192_cbc();
            else if (!strcmp(*args,"-aes256")) enc=EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
            else if (!strcmp(*args,"-camellia128")) enc=EVP_camellia_128_cbc();
            else if (!strcmp(*args,"-camellia192")) enc=EVP_camellia_192_cbc();
            else if (!strcmp(*args,"-camellia256")) enc=EVP_camellia_256_cbc();
#endif
            else if (!strcmp (*args, "-noiter")) iter = 1;
            else if (!strcmp (*args, "-maciter"))
                               maciter = PKCS12_DEFAULT_ITER;
            else if (!strcmp (*args, "-nomaciter"))
                               maciter = 1;
            else if (!strcmp (*args, "-nomac"))
                               maciter = -1;
            else if (!strcmp (*args, "-macalg"))
                if (args[1]) {
                  args++;     
                  macalg = *args;
                } else badarg = 1;
            else if (!strcmp (*args, "-nodes")) enc=NULL;
            else if (!strcmp (*args, "-certpbe")) {
                  if (!set_pbe(bio_err, &cert_pbe, *++args))
                        badarg = 1;
            } else if (!strcmp (*args, "-keypbe")) {
                  if (!set_pbe(bio_err, &key_pbe, *++args))
                        badarg = 1;
            } else if (!strcmp (*args, "-rand")) {
                if (args[1]) {
                  args++;     
                  inrand = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-inkey")) {
                if (args[1]) {
                  args++;     
                  keyname = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-certfile")) {
                if (args[1]) {
                  args++;     
                  certfile = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-name")) {
                if (args[1]) {
                  args++;     
                  name = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-LMK"))
                  add_lmk = 1;
            else if (!strcmp (*args, "-CSP")) {
                if (args[1]) {
                  args++;     
                  csp_name = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-caname")) {
                if (args[1]) {
                  args++;     
                  if (!canames) canames = sk_OPENSSL_STRING_new_null();
                  sk_OPENSSL_STRING_push(canames, *args);
                } else badarg = 1;
            } else if (!strcmp (*args, "-in")) {
                if (args[1]) {
                  args++;     
                  infile = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-out")) {
                if (args[1]) {
                  args++;     
                  outfile = *args;
                } else badarg = 1;
            } else if (!strcmp(*args,"-passin")) {
                if (args[1]) {
                  args++;     
                  passargin = *args;
                } else badarg = 1;
            } else if (!strcmp(*args,"-passout")) {
                if (args[1]) {
                  args++;     
                  passargout = *args;
                } else badarg = 1;
            } else if (!strcmp (*args, "-password")) {
                if (args[1]) {
                  args++;     
                  passarg = *args;
                  noprompt = 1;
                } else badarg = 1;
            } else if (!strcmp(*args,"-CApath")) {
                if (args[1]) {
                  args++;     
                  CApath = *args;
                } else badarg = 1;
            } else if (!strcmp(*args,"-CAfile")) {
                if (args[1]) {
                  args++;     
                  CAfile = *args;
                } else badarg = 1;
#ifndef OPENSSL_NO_ENGINE
            } else if (!strcmp(*args,"-engine")) {
                if (args[1]) {
                  args++;     
                  engine = *args;
                } else badarg = 1;
#endif
            } else badarg = 1;

      } else badarg = 1;
      args++;
    }

    if (badarg) {
      BIO_printf (bio_err, "Usage: pkcs12 [options]\n");
      BIO_printf (bio_err, "where options are\n");
      BIO_printf (bio_err, "-export       output PKCS12 file\n");
      BIO_printf (bio_err, "-chain        add certificate chain\n");
      BIO_printf (bio_err, "-inkey file   private key if not infile\n");
      BIO_printf (bio_err, "-certfile f   add all certs in f\n");
      BIO_printf (bio_err, "-CApath arg   - PEM format directory of CA's\n");
      BIO_printf (bio_err, "-CAfile arg   - PEM format file of CA's\n");
      BIO_printf (bio_err, "-name \"name\"  use name as friendly name\n");
      BIO_printf (bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");
      BIO_printf (bio_err, "-in  infile   input filename\n");
      BIO_printf (bio_err, "-out outfile  output filename\n");
      BIO_printf (bio_err, "-noout        don't output anything, just verify.\n");
      BIO_printf (bio_err, "-nomacver     don't verify MAC.\n");
      BIO_printf (bio_err, "-nocerts      don't output certificates.\n");
      BIO_printf (bio_err, "-clcerts      only output client certificates.\n");
      BIO_printf (bio_err, "-cacerts      only output CA certificates.\n");
      BIO_printf (bio_err, "-nokeys       don't output private keys.\n");
      BIO_printf (bio_err, "-info         give info about PKCS#12 structure.\n");
      BIO_printf (bio_err, "-des          encrypt private keys with DES\n");
      BIO_printf (bio_err, "-des3         encrypt private keys with triple DES (default)\n");
#ifndef OPENSSL_NO_IDEA
      BIO_printf (bio_err, "-idea         encrypt private keys with idea\n");
#endif
#ifndef OPENSSL_NO_SEED
      BIO_printf (bio_err, "-seed         encrypt private keys with seed\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, "-nodes        don't encrypt private keys\n");
      BIO_printf (bio_err, "-noiter       don't use encryption iteration\n");
      BIO_printf (bio_err, "-nomaciter    don't use MAC iteration\n");
      BIO_printf (bio_err, "-maciter      use MAC iteration\n");
      BIO_printf (bio_err, "-nomac        don't generate MAC\n");
      BIO_printf (bio_err, "-twopass      separate MAC, encryption passwords\n");
      BIO_printf (bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
      BIO_printf (bio_err, "-certpbe alg  specify certificate PBE algorithm (default RC2-40)\n");
      BIO_printf (bio_err, "-keypbe alg   specify private key PBE algorithm (default 3DES)\n");
      BIO_printf (bio_err, "-macalg alg   digest algorithm used in MAC (default SHA1)\n");
      BIO_printf (bio_err, "-keyex        set MS key exchange type\n");
      BIO_printf (bio_err, "-keysig       set MS key signature type\n");
      BIO_printf (bio_err, "-password p   set import/export password source\n");
      BIO_printf (bio_err, "-passin p     input file pass phrase source\n");
      BIO_printf (bio_err, "-passout p    output file pass phrase source\n");
#ifndef OPENSSL_NO_ENGINE
      BIO_printf (bio_err, "-engine e     use engine e, possibly a hardware device.\n");
#endif
      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,  "-CSP name     Microsoft CSP name\n");
      BIO_printf(bio_err,  "-LMK          Add local machine keyset attribute to private key\n");
      goto end;
    }

#ifndef OPENSSL_NO_ENGINE
    e = setup_engine(bio_err, engine, 0);
#endif

    if(passarg) {
      if(export_cert) passargout = passarg;
      else passargin = passarg;
    }

    if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
      BIO_printf(bio_err, "Error getting passwords\n");
      goto end;
    }

    if(!cpass) {
      if(export_cert) cpass = passout;
      else cpass = passin;
    }

    if(cpass) {
      mpass = cpass;
      noprompt = 1;
    } else {
      cpass = pass;
      mpass = macpass;
    }

    if(export_cert || inrand) {
      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));
    }
    ERR_load_crypto_strings();

#ifdef CRYPTO_MDEBUG
    CRYPTO_push_info("read files");
#endif

    if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);
    else in = BIO_new_file(infile, "rb");
    if (!in) {
          BIO_printf(bio_err, "Error opening input file %s\n",
                                    infile ? infile : "<stdin>");
          perror (infile);
          goto end;
   }

#ifdef CRYPTO_MDEBUG
    CRYPTO_pop_info();
    CRYPTO_push_info("write files");
#endif

    if (!outfile) {
      out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
      {
          BIO *tmpbio = BIO_new(BIO_f_linebuffer());
          out = BIO_push(tmpbio, out);
      }
#endif
    } else out = BIO_new_file(outfile, "wb");
    if (!out) {
      BIO_printf(bio_err, "Error opening output file %s\n",
                                    outfile ? outfile : "<stdout>");
      perror (outfile);
      goto end;
    }
    if (twopass) {
#ifdef CRYPTO_MDEBUG
    CRYPTO_push_info("read MAC password");
#endif
      if(EVP_read_pw_string (macpass, sizeof macpass, "Enter MAC Password:", export_cert))
      {
          BIO_printf (bio_err, "Can't read Password\n");
          goto end;
            }
#ifdef CRYPTO_MDEBUG
    CRYPTO_pop_info();
#endif
    }

    if (export_cert) {
      EVP_PKEY *key = NULL;
      X509 *ucert = NULL, *x = NULL;
      STACK_OF(X509) *certs=NULL;
      const EVP_MD *macmd = NULL;
      unsigned char *catmp = NULL;
      int i;

      if ((options & (NOCERTS|NOKEYS)) == (NOCERTS|NOKEYS))
            {     
            BIO_printf(bio_err, "Nothing to do!\n");
            goto export_end;
            }

      if (options & NOCERTS)
            chain = 0;

#ifdef CRYPTO_MDEBUG
      CRYPTO_push_info("process -export_cert");
      CRYPTO_push_info("reading private key");
#endif
      if (!(options & NOKEYS))
            {
            key = load_key(bio_err, keyname ? keyname : infile,
                        FORMAT_PEM, 1, passin, e, "private key");
            if (!key)
                  goto export_end;
            }

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("reading certs from input");
#endif

      /* Load in all certs in input file */
      if(!(options & NOCERTS))
            {
            certs = load_certs(bio_err, infile, FORMAT_PEM, NULL, e,
                                          "certificates");
            if (!certs)
                  goto export_end;

            if (key)
                  {
                  /* Look for matching private key */
                  for(i = 0; i < sk_X509_num(certs); i++)
                        {
                        x = sk_X509_value(certs, i);
                        if(X509_check_private_key(x, key))
                              {
                              ucert = x;
                              /* Zero keyid and alias */
                              X509_keyid_set1(ucert, NULL, 0);
                              X509_alias_set1(ucert, NULL, 0);
                              /* Remove from list */
                              (void)sk_X509_delete(certs, i);
                              break;
                              }
                        }
                  if (!ucert)
                        {
                        BIO_printf(bio_err, "No certificate matches private key\n");
                        goto export_end;
                        }
                  }

            }

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("reading certs from input 2");
#endif

      /* Add any more certificates asked for */
      if(certfile)
            {
            STACK_OF(X509) *morecerts=NULL;
            if(!(morecerts = load_certs(bio_err, certfile, FORMAT_PEM,
                                  NULL, e,
                                  "certificates from certfile")))
                  goto export_end;
            while(sk_X509_num(morecerts) > 0)
                  sk_X509_push(certs, sk_X509_shift(morecerts));
            sk_X509_free(morecerts);
            }

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("reading certs from certfile");
#endif

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("building chain");
#endif

      /* If chaining get chain from user cert */
      if (chain) {
            int vret;
            STACK_OF(X509) *chain2;
            X509_STORE *store = X509_STORE_new();
            if (!store)
                  {
                  BIO_printf (bio_err, "Memory allocation error\n");
                  goto export_end;
                  }
            if (!X509_STORE_load_locations(store, CAfile, CApath))
                  X509_STORE_set_default_paths (store);

            vret = get_cert_chain (ucert, store, &chain2);
            X509_STORE_free(store);

            if (!vret) {
                /* Exclude verified certificate */
                for (i = 1; i < sk_X509_num (chain2) ; i++) 
                  sk_X509_push(certs, sk_X509_value (chain2, i));
                /* Free first certificate */
                X509_free(sk_X509_value(chain2, 0));
                sk_X509_free(chain2);
            } else {
                  if (vret >= 0)
                        BIO_printf (bio_err, "Error %s getting chain.\n",
                              X509_verify_cert_error_string(vret));
                  else
                        ERR_print_errors(bio_err);
                  goto export_end;
            }                 
      }

      /* Add any CA names */

      for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++)
            {
            catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
            X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
            }

      if (csp_name && key)
            EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
                        MBSTRING_ASC, (unsigned char *)csp_name, -1);

      if (add_lmk && key)
            EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("reading password");
#endif

      if(!noprompt &&
            EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:", 1))
            {
            BIO_printf (bio_err, "Can't read Password\n");
            goto export_end;
            }
      if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("creating PKCS#12 structure");
#endif

      p12 = PKCS12_create(cpass, name, key, ucert, certs,
                        key_pbe, cert_pbe, iter, -1, keytype);

      if (!p12)
            {
            ERR_print_errors (bio_err);
            goto export_end;
            }

      if (macalg)
            {
            macmd = EVP_get_digestbyname(macalg);
            if (!macmd)
                  {
                  BIO_printf(bio_err, "Unknown digest algorithm %s\n", 
                                    macalg);
                  }
            }

      if (maciter != -1)
            PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_push_info("writing pkcs12");
#endif

      i2d_PKCS12_bio(out, p12);

      ret = 0;

    export_end:
#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
      CRYPTO_pop_info();
      CRYPTO_push_info("process -export_cert: freeing");
#endif

      if (key) EVP_PKEY_free(key);
      if (certs) sk_X509_pop_free(certs, X509_free);
      if (ucert) X509_free(ucert);

#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
#endif
      goto end;
      
    }

    if (!(p12 = d2i_PKCS12_bio (in, NULL))) {
      ERR_print_errors(bio_err);
      goto end;
    }

#ifdef CRYPTO_MDEBUG
    CRYPTO_push_info("read import password");
#endif
    if(!noprompt && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:", 0)) {
      BIO_printf (bio_err, "Can't read Password\n");
      goto end;
    }
#ifdef CRYPTO_MDEBUG
    CRYPTO_pop_info();
#endif

    if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);

    if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
    if(macver) {
#ifdef CRYPTO_MDEBUG
    CRYPTO_push_info("verify MAC");
#endif
      /* If we enter empty password try no password first */
      if(!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
            /* If mac and crypto pass the same set it to NULL too */
            if(!twopass) cpass = NULL;
      } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
          BIO_printf (bio_err, "Mac verify error: invalid password?\n");
          ERR_print_errors (bio_err);
          goto end;
      }
      BIO_printf (bio_err, "MAC verified OK\n");
#ifdef CRYPTO_MDEBUG
    CRYPTO_pop_info();
#endif
    }

#ifdef CRYPTO_MDEBUG
    CRYPTO_push_info("output keys and certificates");
#endif
    if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {
      BIO_printf(bio_err, "Error outputting keys and certificates\n");
      ERR_print_errors (bio_err);
      goto end;
    }
#ifdef CRYPTO_MDEBUG
    CRYPTO_pop_info();
#endif
    ret = 0;
 end:
    if (p12) PKCS12_free(p12);
    if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);
#ifdef CRYPTO_MDEBUG
    CRYPTO_remove_all_info();
#endif
    BIO_free(in);
    BIO_free_all(out);
    if (canames) sk_OPENSSL_STRING_free(canames);
    if(passin) OPENSSL_free(passin);
    if(passout) OPENSSL_free(passout);
    apps_shutdown();
    OPENSSL_EXIT(ret);
}

int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,
           int passlen, int options, char *pempass)
{
      STACK_OF(PKCS7) *asafes = NULL;
      STACK_OF(PKCS12_SAFEBAG) *bags;
      int i, bagnid;
      int ret = 0;
      PKCS7 *p7;

      if (!( asafes = PKCS12_unpack_authsafes(p12))) return 0;
      for (i = 0; i < sk_PKCS7_num (asafes); i++) {
            p7 = sk_PKCS7_value (asafes, i);
            bagnid = OBJ_obj2nid (p7->type);
            if (bagnid == NID_pkcs7_data) {
                  bags = PKCS12_unpack_p7data(p7);
                  if (options & INFO) BIO_printf (bio_err, "PKCS7 Data\n");
            } else if (bagnid == NID_pkcs7_encrypted) {
                  if (options & INFO) {
                        BIO_printf(bio_err, "PKCS7 Encrypted data: ");
                        alg_print(bio_err, 
                              p7->d.encrypted->enc_data->algorithm);
                  }
                  bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
            } else continue;
            if (!bags) goto err;
            if (!dump_certs_pkeys_bags (out, bags, pass, passlen, 
                                     options, pempass)) {
                  sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
                  goto err;
            }
            sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
            bags = NULL;
      }
      ret = 1;

      err:

      if (asafes)
            sk_PKCS7_pop_free (asafes, PKCS7_free);
      return ret;
}

int dump_certs_pkeys_bags (BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
                     char *pass, int passlen, int options, char *pempass)
{
      int i;
      for (i = 0; i < sk_PKCS12_SAFEBAG_num (bags); i++) {
            if (!dump_certs_pkeys_bag (out,
                                 sk_PKCS12_SAFEBAG_value (bags, i),
                                 pass, passlen,
                                 options, pempass))
                return 0;
      }
      return 1;
}

int dump_certs_pkeys_bag (BIO *out, PKCS12_SAFEBAG *bag, char *pass,
           int passlen, int options, char *pempass)
{
      EVP_PKEY *pkey;
      PKCS8_PRIV_KEY_INFO *p8;
      X509 *x509;
      
      switch (M_PKCS12_bag_type(bag))
      {
      case NID_keyBag:
            if (options & INFO) BIO_printf (bio_err, "Key bag\n");
            if (options & NOKEYS) return 1;
            print_attribs (out, bag->attrib, "Bag Attributes");
            p8 = bag->value.keybag;
            if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
            print_attribs (out, p8->attributes, "Key Attributes");
            PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
            EVP_PKEY_free(pkey);
      break;

      case NID_pkcs8ShroudedKeyBag:
            if (options & INFO) {
                  BIO_printf (bio_err, "Shrouded Keybag: ");
                  alg_print (bio_err, bag->value.shkeybag->algor);
            }
            if (options & NOKEYS) return 1;
            print_attribs (out, bag->attrib, "Bag Attributes");
            if (!(p8 = PKCS12_decrypt_skey(bag, pass, passlen)))
                        return 0;
            if (!(pkey = EVP_PKCS82PKEY (p8))) {
                  PKCS8_PRIV_KEY_INFO_free(p8);
                  return 0;
            }
            print_attribs (out, p8->attributes, "Key Attributes");
            PKCS8_PRIV_KEY_INFO_free(p8);
            PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
            EVP_PKEY_free(pkey);
      break;

      case NID_certBag:
            if (options & INFO) BIO_printf (bio_err, "Certificate bag\n");
            if (options & NOCERTS) return 1;
                if (PKCS12_get_attr(bag, NID_localKeyID)) {
                  if (options & CACERTS) return 1;
            } else if (options & CLCERTS) return 1;
            print_attribs (out, bag->attrib, "Bag Attributes");
            if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )
                                                 return 1;
            if (!(x509 = PKCS12_certbag2x509(bag))) return 0;
            dump_cert_text (out, x509);
            PEM_write_bio_X509 (out, x509);
            X509_free(x509);
      break;

      case NID_safeContentsBag:
            if (options & INFO) BIO_printf (bio_err, "Safe Contents bag\n");
            print_attribs (out, bag->attrib, "Bag Attributes");
            return dump_certs_pkeys_bags (out, bag->value.safes, pass,
                                              passlen, options, pempass);
                              
      default:
            BIO_printf (bio_err, "Warning unsupported bag type: ");
            i2a_ASN1_OBJECT (bio_err, bag->type);
            BIO_printf (bio_err, "\n");
            return 1;
      break;
      }
      return 1;
}

/* Given a single certificate return a verified chain or NULL if error */

/* Hope this is OK .... */

int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)
{
      X509_STORE_CTX store_ctx;
      STACK_OF(X509) *chn;
      int i = 0;

      /* FIXME: Should really check the return status of X509_STORE_CTX_init
       * for an error, but how that fits into the return value of this
       * function is less obvious. */
      X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
      if (X509_verify_cert(&store_ctx) <= 0) {
            i = X509_STORE_CTX_get_error (&store_ctx);
            if (i == 0)
                  /* avoid returning 0 if X509_verify_cert() did not
                   * set an appropriate error value in the context */
                  i = -1;
            chn = NULL;
            goto err;
      } else
            chn = X509_STORE_CTX_get1_chain(&store_ctx);
err:
      X509_STORE_CTX_cleanup(&store_ctx);
      *chain = chn;
      
      return i;
}     

int alg_print (BIO *x, X509_ALGOR *alg)
{
      PBEPARAM *pbe;
      const unsigned char *p;
      p = alg->parameter->value.sequence->data;
      pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
      if (!pbe)
            return 1;
      BIO_printf (bio_err, "%s, Iteration %ld\n", 
            OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
            ASN1_INTEGER_get(pbe->iter));
      PBEPARAM_free (pbe);
      return 1;
}

/* Load all certificates from a given file */

int cert_load(BIO *in, STACK_OF(X509) *sk)
{
      int ret;
      X509 *cert;
      ret = 0;
#ifdef CRYPTO_MDEBUG
      CRYPTO_push_info("cert_load(): reading one cert");
#endif
      while((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
#ifdef CRYPTO_MDEBUG
            CRYPTO_pop_info();
#endif
            ret = 1;
            sk_X509_push(sk, cert);
#ifdef CRYPTO_MDEBUG
            CRYPTO_push_info("cert_load(): reading one cert");
#endif
      }
#ifdef CRYPTO_MDEBUG
      CRYPTO_pop_info();
#endif
      if(ret) ERR_clear_error();
      return ret;
}

/* Generalised attribute print: handle PKCS#8 and bag attributes */

int print_attribs (BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,const char *name)
{
      X509_ATTRIBUTE *attr;
      ASN1_TYPE *av;
      char *value;
      int i, attr_nid;
      if(!attrlst) {
            BIO_printf(out, "%s: <No Attributes>\n", name);
            return 1;
      }
      if(!sk_X509_ATTRIBUTE_num(attrlst)) {
            BIO_printf(out, "%s: <Empty Attributes>\n", name);
            return 1;
      }
      BIO_printf(out, "%s\n", name);
      for(i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
            attr = sk_X509_ATTRIBUTE_value(attrlst, i);
            attr_nid = OBJ_obj2nid(attr->object);
            BIO_printf(out, "    ");
            if(attr_nid == NID_undef) {
                  i2a_ASN1_OBJECT (out, attr->object);
                  BIO_printf(out, ": ");
            } else BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));

            if(sk_ASN1_TYPE_num(attr->value.set)) {
                  av = sk_ASN1_TYPE_value(attr->value.set, 0);
                  switch(av->type) {
                        case V_ASN1_BMPSTRING:
                        value = OPENSSL_uni2asc(av->value.bmpstring->data,
                                           av->value.bmpstring->length);
                        BIO_printf(out, "%s\n", value);
                        OPENSSL_free(value);
                        break;

                        case V_ASN1_OCTET_STRING:
                        hex_prin(out, av->value.octet_string->data,
                              av->value.octet_string->length);
                        BIO_printf(out, "\n");  
                        break;

                        case V_ASN1_BIT_STRING:
                        hex_prin(out, av->value.bit_string->data,
                              av->value.bit_string->length);
                        BIO_printf(out, "\n");  
                        break;

                        default:
                              BIO_printf(out, "<Unsupported tag %d>\n", av->type);
                        break;
                  }
            } else BIO_printf(out, "<No Values>\n");
      }
      return 1;
}

void hex_prin(BIO *out, unsigned char *buf, int len)
{
      int i;
      for (i = 0; i < len; i++) BIO_printf (out, "%02X ", buf[i]);
}

static int set_pbe(BIO *err, int *ppbe, const char *str)
      {
      if (!str)
            return 0;
      if (!strcmp(str, "NONE"))
            {
            *ppbe = -1;
            return 1;
            }
      *ppbe=OBJ_txt2nid(str);
      if (*ppbe == NID_undef)
            {
            BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
            return 0;
            }
      return 1;
      }
                  
#endif

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