pkcs12.c

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/* pkcs12.c */
/* Written by Dr Stephen N Henson ([email protected]) 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
 *    [email protected].
 *
 * 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
 * ([email protected]).  This product includes software written by Tim
 * Hudson ([email protected]).
 *
 */

#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) && p12->mac) 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