text: /*
   * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #include <openssl/opensslconf.h>
  <<<<<<< HEAD
  
  =======
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include "apps.h"
  #include "progs.h"
  #include <openssl/crypto.h>
  #include <openssl/err.h>
  #include <openssl/pem.h>
  #include <openssl/pkcs12.h>
  <<<<<<< HEAD
  #include <openssl/provider.h>
  =======
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
  
  #define NOKEYS          0x1
  #define NOCERTS         0x2
  #define INFO            0x4
  #define CLCERTS         0x8
  #define CACERTS         0x10
  
  #define PASSWD_BUF_SIZE 2048
  #define PKCS12_DEFAULT_PBE NID_aes_256_cbc
  
  #define WARN_EXPORT(opt) \
      BIO_printf(bio_err, "Warning: -%s option ignored with -export\n", opt);
  #define WARN_NO_EXPORT(opt) \
      BIO_printf(bio_err, "Warning: -%s option ignored without -export\n", opt);
  
  static int get_cert_chain(X509 *cert, X509_STORE *store,
                            STACK_OF(X509) *untrusted_certs,
                            STACK_OF(X509) **chain);
  int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
                          const char *pass, int passlen, int options,
                          char *pempass, const EVP_CIPHER *enc);
  int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
                            const char *pass, int passlen, int options,
                            char *pempass, const EVP_CIPHER *enc);
  int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
                           const char *pass, int passlen,
                           int options, char *pempass, const EVP_CIPHER *enc);
  void print_attribute(BIO *out, const ASN1_TYPE *av);
  int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
                    const char *name);
  void hex_prin(BIO *out, unsigned char *buf, int len);
  static int alg_print(const X509_ALGOR *alg);
  int cert_load(BIO *in, STACK_OF(X509) *sk);
  static int set_pbe(int *ppbe, const char *str);
  
  typedef enum OPTION_choice {
      OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
      OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
      OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
      OPT_DESCERT, OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
      OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
      OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
      OPT_NAME, OPT_CSP, OPT_CANAME,
      OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
      OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
      OPT_R_ENUM, OPT_PROV_ENUM, OPT_LEGACY_ALG
  } OPTION_CHOICE;
  
  const OPTIONS pkcs12_options[] = {
      OPT_SECTION("General"),
      {"help", OPT_HELP, '-', "Display this summary"},
      {"in", OPT_IN, '<', "Input file"},
      {"out", OPT_OUT, '>', "Output file"},
      {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
      {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
      {"password", OPT_PASSWORD, 's', "Set PKCS#12 import/export password source"},
      {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
      {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
      {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
      {"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
      {"legacy", OPT_LEGACY_ALG, '-',
  #ifdef OPENSSL_NO_RC2
       "Use legacy encryption algorithm 3DES_CBC for keys and certs"
  #else
       "Use legacy encryption: 3DES_CBC for keys, RC2_CBC for certs"
  #endif
      },
  #ifndef OPENSSL_NO_ENGINE
      {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  #endif
      OPT_PROV_OPTIONS,
      OPT_R_OPTIONS,
  
      OPT_SECTION("PKCS#12 import (parsing PKCS#12)"),
      {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
      {"nomacver", OPT_NOMACVER, '-', "Don't verify integrity MAC"},
      {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
      {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
  <<<<<<< HEAD
      {"", OPT_CIPHER, '-', "Any supported cipher for output encryption"},
      {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
      {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
  
      OPT_SECTION("PKCS#12 output (export)"),
      {"export", OPT_EXPORT, '-', "Create PKCS12 file"},
      {"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
      {"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
      {"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
      {"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
      {OPT_MORE_STR, 0, 0,
       "which is the 1st cert from -in matching the privte key (if given)"},
      {"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
  =======
      {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
      {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
      {"chain", OPT_CHAIN, '-', "Add certificate chain"},
      {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
      {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
  #ifndef OPENSSL_NO_RC2
      {"descert", OPT_DESCERT, '-',
       "Encrypt output with 3DES (default RC2-40)"},
      {"certpbe", OPT_CERTPBE, 's',
       "Certificate PBE algorithm (default RC2-40)"},
  #else
      {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
      {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
  #endif
      {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
      {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
      {"maciter", OPT_MACITER, '-', "Use MAC iteration"},
      {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
      {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
      {"LMK", OPT_LMK, '-',
       "Add local machine keyset attribute to private key"},
      {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
      {"macalg", OPT_MACALG, 's',
       "Digest algorithm used in MAC (default SHA1)"},
      {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
      OPT_R_OPTIONS,
      {"inkey", OPT_INKEY, 's', "Private key if not infile"},
      {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
      {"name", OPT_NAME, 's', "Use name as friendly name"},
      {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
      {"caname", OPT_CANAME, 's',
       "Use name as CA friendly name (can be repeated)"},
      {"in", OPT_IN, '<', "Input filename"},
      {"out", OPT_OUT, '>', "Output filename"},
      {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
      {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
      {"password", OPT_PASSWORD, 's', "Set import/export password source"},
      {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
      {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
      {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
      {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
      {"no-CAfile", OPT_NOCAFILE, '-',
       "Do not load the default certificates file"},
      {"no-CApath", OPT_NOCAPATH, '-',
       "Do not load certificates from the default certificates directory"},
  <<<<<<< HEAD
      {"no-CAstore", OPT_NOCASTORE, '-',
       "Do not load certificates from the default certificates store"},
      {"name", OPT_NAME, 's', "Use name as friendly name"},
      {"caname", OPT_CANAME, 's',
       "Use name as CA friendly name (can be repeated)"},
      {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
      {"LMK", OPT_LMK, '-',
       "Add local machine keyset attribute to private key"},
      {"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
      {"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
      {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default AES-256 CBC)"},
      {"certpbe", OPT_CERTPBE, 's',
       "Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
      {"descert", OPT_DESCERT, '-',
       "Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
      {"macalg", OPT_MACALG, 's',
       "Digest algorithm to use in MAC (default SHA1)"},
      {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption and MAC"},
      {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
      {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration)"},
      {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
      {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
  =======
      {"", OPT_CIPHER, '-', "Any supported cipher"},
  #ifndef OPENSSL_NO_ENGINE
      {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  #endif
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
      {NULL}
  };
  
  int pkcs12_main(int argc, char **argv)
  {
      char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
      char *untrusted = NULL;
      char *passcertsarg = NULL, *passcerts = NULL;
      char *name = NULL, *csp_name = NULL;
      char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
      int export_pkcs12 = 0, options = 0, chain = 0, twopass = 0, keytype = 0, use_legacy = 0;
      int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
  <<<<<<< HEAD
      int cert_pbe = PKCS12_DEFAULT_PBE;
      int key_pbe = PKCS12_DEFAULT_PBE;
  =======
  #ifndef OPENSSL_NO_RC2
      int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
  #else
      int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
  #endif
      int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
      int ret = 1, macver = 1, add_lmk = 0, private = 0;
      int noprompt = 0;
      char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
      char *passin = NULL, *passout = NULL, *macalg = NULL;
      char *cpass = NULL, *mpass = NULL, *badpass = NULL;
      const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
      int noCApath = 0, noCAfile = 0, noCAstore = 0;
      ENGINE *e = NULL;
      BIO *in = NULL, *out = NULL;
      PKCS12 *p12 = NULL;
      STACK_OF(OPENSSL_STRING) *canames = NULL;
      const char *enc_flag = NULL;
      const EVP_CIPHER *const default_enc = EVP_aes_256_cbc();
      const EVP_CIPHER *enc = default_enc;
      OPTION_CHOICE o;
  
      prog = opt_init(argc, argv, pkcs12_options);
      while ((o = opt_next()) != OPT_EOF) {
          switch (o) {
          case OPT_EOF:
          case OPT_ERR:
   opthelp:
              BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
              goto end;
          case OPT_HELP:
              opt_help(pkcs12_options);
              ret = 0;
              goto end;
          case OPT_NOKEYS:
              options |= NOKEYS;
              break;
          case OPT_KEYEX:
              keytype = KEY_EX;
              break;
          case OPT_KEYSIG:
              keytype = KEY_SIG;
              break;
          case OPT_NOCERTS:
              options |= NOCERTS;
              break;
          case OPT_CLCERTS:
              options |= CLCERTS;
              break;
          case OPT_CACERTS:
              options |= CACERTS;
              break;
          case OPT_NOOUT:
              options |= (NOKEYS | NOCERTS);
              break;
          case OPT_INFO:
              options |= INFO;
              break;
          case OPT_CHAIN:
              chain = 1;
              break;
          case OPT_TWOPASS:
              twopass = 1;
              break;
          case OPT_NOMACVER:
              macver = 0;
              break;
          case OPT_DESCERT:
              cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
              break;
          case OPT_EXPORT:
              export_pkcs12 = 1;
              break;
          case OPT_CIPHER:
              enc_flag = opt_unknown();
              if (!opt_cipher(enc_flag, &enc))
                  goto opthelp;
              break;
          case OPT_ITER:
              if (!opt_int(opt_arg(), &iter))
                  goto opthelp;
              maciter = iter;
              break;
          case OPT_NOITER:
              iter = 1;
              break;
          case OPT_MACITER:
              /* no-op */
              break;
          case OPT_NOMACITER:
              maciter = 1;
              break;
          case OPT_NOMAC:
              cert_pbe = -1;
              maciter = -1;
              break;
          case OPT_MACALG:
              macalg = opt_arg();
              break;
          case OPT_NODES:
          case OPT_NOENC:
              enc_flag = opt_flag() + 1;
              enc = NULL;
              break;
          case OPT_CERTPBE:
              if (!set_pbe(&cert_pbe, opt_arg()))
                  goto opthelp;
              break;
          case OPT_KEYPBE:
              if (!set_pbe(&key_pbe, opt_arg()))
                  goto opthelp;
              break;
          case OPT_R_CASES:
              if (!opt_rand(o))
                  goto end;
              break;
          case OPT_INKEY:
              keyname = opt_arg();
              break;
          case OPT_CERTFILE:
              certfile = opt_arg();
              break;
          case OPT_UNTRUSTED:
              untrusted = opt_arg();
              break;
          case OPT_PASSCERTS:
              passcertsarg = opt_arg();
              break;
          case OPT_NAME:
              name = opt_arg();
              break;
          case OPT_LMK:
              add_lmk = 1;
              break;
          case OPT_CSP:
              csp_name = opt_arg();
              break;
          case OPT_CANAME:
              if (canames == NULL
                  && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
                  goto end;
              sk_OPENSSL_STRING_push(canames, opt_arg());
              break;
          case OPT_IN:
              infile = opt_arg();
              break;
          case OPT_OUT:
              outfile = opt_arg();
              break;
          case OPT_PASSIN:
              passinarg = opt_arg();
              break;
          case OPT_PASSOUT:
              passoutarg = opt_arg();
              break;
          case OPT_PASSWORD:
              passarg = opt_arg();
              break;
          case OPT_CAPATH:
              CApath = opt_arg();
              break;
          case OPT_CASTORE:
              CAstore = opt_arg();
              break;
          case OPT_CAFILE:
              CAfile = opt_arg();
              break;
          case OPT_NOCAPATH:
              noCApath = 1;
              break;
          case OPT_NOCASTORE:
              noCAstore = 1;
              break;
          case OPT_NOCAFILE:
              noCAfile = 1;
              break;
          case OPT_ENGINE:
              e = setup_engine(opt_arg(), 0);
              break;
          case OPT_LEGACY_ALG:
              use_legacy = 1;
              break;
          case OPT_PROV_CASES:
              if (!opt_provider(o))
                  goto end;
              break;
          }
      }
  
      /* No extra arguments. */
      argc = opt_num_rest();
      if (argc != 0)
          goto opthelp;
  
      if (export_pkcs12) {
          if ((options & INFO) != 0)
              WARN_EXPORT("info");
          if (macver == 0)
              WARN_EXPORT("nomacver");
          if ((options & CLCERTS) != 0)
              WARN_EXPORT("clcerts");
          if ((options & CACERTS) != 0)
              WARN_EXPORT("cacerts");
          if (enc != default_enc)
              BIO_printf(bio_err,
                         "Warning: output encryption option -%s ignored with -export\n", enc_flag);
      } else {
          if (keyname != NULL)
              WARN_NO_EXPORT("inkey");
          if (certfile != NULL)
              WARN_NO_EXPORT("certfile");
          if (passcertsarg != NULL)
              WARN_NO_EXPORT("passcerts");
          if (chain)
              WARN_NO_EXPORT("chain");
          if (untrusted != NULL)
              WARN_NO_EXPORT("untrusted");
          if (CAfile != NULL)
              WARN_NO_EXPORT("CAfile");
          if (CApath != NULL)
              WARN_NO_EXPORT("CApath");
          if (CAstore != NULL)
              WARN_NO_EXPORT("CAstore");
          if (noCAfile)
              WARN_NO_EXPORT("no-CAfile");
          if (noCApath)
              WARN_NO_EXPORT("no-CApath");
          if (noCAstore)
              WARN_NO_EXPORT("no-CAstore");
          if (name != NULL)
              WARN_NO_EXPORT("name");
          if (canames != NULL)
              WARN_NO_EXPORT("caname");
          if (csp_name != NULL)
              WARN_NO_EXPORT("CSP");
          if (add_lmk)
              WARN_NO_EXPORT("LMK");
          if (keytype == KEY_EX)
              WARN_NO_EXPORT("keyex");
          if (keytype == KEY_SIG)
              WARN_NO_EXPORT("keysig");
          if (key_pbe != PKCS12_DEFAULT_PBE)
              WARN_NO_EXPORT("keypbe");
          if (cert_pbe != PKCS12_DEFAULT_PBE && cert_pbe != -1)
              WARN_NO_EXPORT("certpbe and -descert");
          if (macalg != NULL)
              WARN_NO_EXPORT("macalg");
          if (iter != PKCS12_DEFAULT_ITER)
              WARN_NO_EXPORT("iter and -noiter");
          if (maciter == 1)
              WARN_NO_EXPORT("nomaciter");
          if (cert_pbe == -1 && maciter == -1)
              WARN_NO_EXPORT("nomac");
      }
      if (use_legacy) {
          /* load the legacy provider if not loaded already*/
          if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
              if (!app_provider_load(app_get0_libctx(), "legacy"))
                  goto end;
              /* load the default provider explicitly */
              if (!app_provider_load(app_get0_libctx(), "default"))
                  goto end;
          }
          if (cert_pbe == PKCS12_DEFAULT_PBE) {
              /* Adapt default algorithm */
  #ifndef OPENSSL_NO_RC2
              cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
  #else
              cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
  #endif
          }
  
          if (key_pbe == PKCS12_DEFAULT_PBE)
              key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
          if (enc == default_enc)
              enc = EVP_des_ede3_cbc();
      }
  
  
      private = 1;
  
      if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
          BIO_printf(bio_err, "Error getting certificate file password\n");
          goto end;
      }
  
      if (passarg != NULL) {
          if (export_pkcs12)
              passoutarg = passarg;
          else
              passinarg = passarg;
      }
  
      if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
          BIO_printf(bio_err, "Error getting passwords\n");
          goto end;
      }
  
      if (cpass == NULL) {
          if (export_pkcs12)
              cpass = passout;
          else
              cpass = passin;
      }
  
      if (cpass != NULL) {
          mpass = cpass;
          noprompt = 1;
          if (twopass) {
  <<<<<<< HEAD
              if (export_pkcs12)
  =======
              if (export_cert)
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
                  BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
              else
                  BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
              goto end;
          }
      } else {
          cpass = pass;
          mpass = macpass;
      }
  
      if (twopass) {
          /* To avoid bit rot */
          if (1) {
  #ifndef OPENSSL_NO_UI_CONSOLE
              if (EVP_read_pw_string(
                  macpass, sizeof(macpass), "Enter MAC Password:", export_pkcs12)) {
                  BIO_printf(bio_err, "Can't read Password\n");
                  goto end;
              }
          } else {
  #endif
              BIO_printf(bio_err, "Unsupported option -twopass\n");
              goto end;
          }
      }
  
      if (export_pkcs12) {
          EVP_PKEY *key = NULL;
          X509 *ee_cert = NULL, *x = NULL;
          STACK_OF(X509) *certs = NULL;
          STACK_OF(X509) *untrusted_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 export due to -noout or -nocerts and -nokeys\n");
              goto export_end;
          }
  
          if ((options & NOCERTS) != 0) {
              chain = 0;
              BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
          }
  
          if (!(options & NOKEYS)) {
              key = load_key(keyname ? keyname : infile,
                             FORMAT_PEM, 1, passin, e,
                             keyname ?
                             "private key from -inkey file" :
                             "private key from -in file");
              if (key == NULL)
                  goto export_end;
          }
  
          /* Load all certs in input file */
          if (!(options & NOCERTS)) {
              if (!load_certs(infile, &certs, passin,
                              "certificates from -in file"))
                  goto export_end;
              if (sk_X509_num(certs) < 1) {
                  BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
                  goto export_end;
              }
  
              if (key != NULL) {
                  /* 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)) {
                          ee_cert = x;
                          /* Zero keyid and alias */
                          X509_keyid_set1(ee_cert, NULL, 0);
                          X509_alias_set1(ee_cert, NULL, 0);
                          /* Remove from list */
                          (void)sk_X509_delete(certs, i);
                          break;
                      }
                  }
                  if (ee_cert == NULL) {
                      BIO_printf(bio_err,
                                 "No cert in -in file '%s' matches private key\n",
                                 infile);
                      goto export_end;
                  }
              } else {
                  ee_cert = X509_dup(sk_X509_value(certs, 0)); /* take 1st cert */
              }
          }
  
          /* Load any untrusted certificates for chain building */
          if (untrusted != NULL) {
              if (!load_certs(untrusted, &untrusted_certs, passcerts,
                              "untrusted certificates"))
                  goto export_end;
          }
  
          /* If chaining get chain from end entity cert */
          if (chain) {
              int vret;
              STACK_OF(X509) *chain2;
              X509_STORE *store;
  
              if (ee_cert == NULL) {
                  BIO_printf(bio_err,
                             "No end entity certificate to check with -chain\n");
                  goto export_end;
              }
  
              if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
                                        CAstore, noCAstore))
                      == NULL)
                  goto export_end;
  
              vret = get_cert_chain(ee_cert, store, untrusted_certs, &chain2);
              X509_STORE_free(store);
  
              if (vret == X509_V_OK) {
                  int add_certs;
                  /* Remove from chain2 the first (end entity) certificate */
                  X509_free(sk_X509_shift(chain2));
                  /* Add the remaining certs (except for duplicates) */
                  add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
                                             | X509_ADD_FLAG_NO_DUP);
                  sk_X509_pop_free(chain2, X509_free);
                  if (!add_certs)
                      goto export_end;
              } else {
                  if (vret != X509_V_ERR_UNSPECIFIED)
                      BIO_printf(bio_err, "Error getting chain: %s\n",
                                 X509_verify_cert_error_string(vret));
                  goto export_end;
              }
          }
  
          /* Add any extra certificates asked for */
          if (certfile != NULL) {
              if (!load_certs(certfile, &certs, passcerts,
                              "extra certificates from -certfile"))
                  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 != NULL && key != NULL)
              EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
                                        MBSTRING_ASC, (unsigned char *)csp_name,
                                        -1);
  
          if (add_lmk && key != NULL)
              EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
  
          if (!noprompt && !(enc == NULL && maciter == -1)) {
              /* To avoid bit rot */
              if (1) {
  #ifndef OPENSSL_NO_UI_CONSOLE
                  if (EVP_read_pw_string(pass, sizeof(pass),
                                         "Enter Export Password:", 1)) {
                      BIO_printf(bio_err, "Can't read Password\n");
                      goto export_end;
                  }
              } else {
  #endif
                  BIO_printf(bio_err, "Password required\n");
                  goto export_end;
              }
          }
  
          if (!twopass)
              OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
  
          p12 = PKCS12_create(cpass, name, key, ee_cert, certs,
                              key_pbe, cert_pbe, iter, -1, keytype);
  
          if (p12 == NULL) {
              BIO_printf(bio_err, "Error creating PKCS12 structure for %s\n",
                         outfile);
              goto export_end;
          }
  
          if (macalg != NULL) {
              if (!opt_md(macalg, &macmd))
                  goto opthelp;
          }
  
          if (maciter != -1)
              PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
  
          assert(private);
  
          out = bio_open_owner(outfile, FORMAT_PKCS12, private);
          if (out == NULL)
              goto end;
  
          i2d_PKCS12_bio(out, p12);
  
          ret = 0;
  
   export_end:
  
          EVP_PKEY_free(key);
          sk_X509_pop_free(certs, X509_free);
          sk_X509_pop_free(untrusted_certs, X509_free);
          X509_free(ee_cert);
  
          ERR_print_errors(bio_err);
          goto end;
  
      }
  
      in = bio_open_default(infile, 'r', FORMAT_PKCS12);
      if (in == NULL)
          goto end;
      out = bio_open_owner(outfile, FORMAT_PEM, private);
      if (out == NULL)
          goto end;
  
      if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
          ERR_print_errors(bio_err);
          goto end;
      }
  
      if (!noprompt) {
          if (1) {
  #ifndef OPENSSL_NO_UI_CONSOLE
              if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
                                     0)) {
                  BIO_printf(bio_err, "Can't read Password\n");
                  goto end;
              }
          } else {
  #endif
              BIO_printf(bio_err, "Password required\n");
              goto end;
          }
      }
  
      if (!twopass)
          OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
  
      if ((options & INFO) && PKCS12_mac_present(p12)) {
          const ASN1_INTEGER *tmaciter;
          const X509_ALGOR *macalgid;
          const ASN1_OBJECT *macobj;
          const ASN1_OCTET_STRING *tmac;
          const ASN1_OCTET_STRING *tsalt;
  
          PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
          /* current hash algorithms do not use parameters so extract just name,
             in future alg_print() may be needed */
          X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
          BIO_puts(bio_err, "MAC: ");
          i2a_ASN1_OBJECT(bio_err, macobj);
          BIO_printf(bio_err, ", Iteration %ld\n",
                     tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
          BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
                     tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
                     tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
      }
      if (macver) {
          /* 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)) {
              /*
               * May be UTF8 from previous version of OpenSSL:
               * convert to a UTF8 form which will translate
               * to the same Unicode password.
               */
              unsigned char *utmp;
              int utmplen;
              utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
              if (utmp == NULL)
                  goto end;
              badpass = OPENSSL_uni2utf8(utmp, utmplen);
              OPENSSL_free(utmp);
              if (!PKCS12_verify_mac(p12, badpass, -1)) {
                  BIO_printf(bio_err, "Mac verify error: invalid password?\n");
                  ERR_print_errors(bio_err);
                  goto end;
              } else {
                  BIO_printf(bio_err, "Warning: using broken algorithm\n");
                  if (!twopass)
                      cpass = badpass;
              }
          }
      }
  
      assert(private);
      if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
          BIO_printf(bio_err, "Error outputting keys and certificates\n");
          ERR_print_errors(bio_err);
          goto end;
      }
      ret = 0;
   end:
      PKCS12_free(p12);
      release_engine(e);
      BIO_free(in);
      BIO_free_all(out);
      sk_OPENSSL_STRING_free(canames);
      OPENSSL_free(badpass);
      OPENSSL_free(passcerts);
      OPENSSL_free(passin);
      OPENSSL_free(passout);
      return ret;
  }
  
  int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
                          int passlen, int options, char *pempass,
                          const EVP_CIPHER *enc)
  {
      STACK_OF(PKCS7) *asafes = NULL;
      STACK_OF(PKCS12_SAFEBAG) *bags;
      int i, bagnid;
      int ret = 0;
      PKCS7 *p7;
  
      if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
          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(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, enc)) {
              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:
      sk_PKCS7_pop_free(asafes, PKCS7_free);
      return ret;
  }
  
  int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
                            const char *pass, int passlen, int options,
                            char *pempass, const EVP_CIPHER *enc)
  {
      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, enc))
              return 0;
      }
      return 1;
  }
  
  int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
                           const char *pass, int passlen, int options,
                           char *pempass, const EVP_CIPHER *enc)
  {
      EVP_PKEY *pkey;
      PKCS8_PRIV_KEY_INFO *p8;
      const PKCS8_PRIV_KEY_INFO *p8c;
      X509 *x509;
      const STACK_OF(X509_ATTRIBUTE) *attrs;
      int ret = 0;
  
      attrs = PKCS12_SAFEBAG_get0_attrs(bag);
  
      switch (PKCS12_SAFEBAG_get_nid(bag)) {
      case NID_keyBag:
          if (options & INFO)
              BIO_printf(bio_err, "Key bag\n");
          if (options & NOKEYS)
              return 1;
          print_attribs(out, attrs, "Bag Attributes");
          p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
          if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
              return 0;
          print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
          ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
          EVP_PKEY_free(pkey);
          break;
  
      case NID_pkcs8ShroudedKeyBag:
          if (options & INFO) {
              const X509_SIG *tp8;
              const X509_ALGOR *tp8alg;
  
              BIO_printf(bio_err, "Shrouded Keybag: ");
              tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
              X509_SIG_get0(tp8, &tp8alg, NULL);
              alg_print(tp8alg);
          }
          if (options & NOKEYS)
              return 1;
          print_attribs(out, attrs, "Bag Attributes");
          if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
              return 0;
          if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
              PKCS8_PRIV_KEY_INFO_free(p8);
              return 0;
          }
          print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
          PKCS8_PRIV_KEY_INFO_free(p8);
          ret = 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_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
              if (options & CACERTS)
                  return 1;
          } else if (options & CLCERTS)
              return 1;
          print_attribs(out, attrs, "Bag Attributes");
          if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
              return 1;
          if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
              return 0;
          dump_cert_text(out, x509);
          ret = PEM_write_bio_X509(out, x509);
          X509_free(x509);
          break;
  
      case NID_secretBag:
          if (options & INFO) 
              BIO_printf(bio_err, "Secret bag\n");
          print_attribs(out, attrs, "Bag Attributes");
          BIO_printf(bio_err, "Bag Type: ");
          i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
          BIO_printf(bio_err, "\nBag Value: ");
          print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
          return 1;
  
      case NID_safeContentsBag:
          if (options & INFO)
              BIO_printf(bio_err, "Safe Contents bag\n");
          print_attribs(out, attrs, "Bag Attributes");
          return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
                                       pass, passlen, options, pempass, enc);
  
      default:
          BIO_printf(bio_err, "Warning unsupported bag type: ");
          i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
          BIO_printf(bio_err, "\n");
          return 1;
      }
      return ret;
  }
  
  /* Given a single certificate return a verified chain or NULL if error */
  
  static int get_cert_chain(X509 *cert, X509_STORE *store,
                            STACK_OF(X509) *untrusted_certs,
                            STACK_OF(X509) **chain)
  {
      X509_STORE_CTX *store_ctx = NULL;
      STACK_OF(X509) *chn = NULL;
      int i = 0;
  
      store_ctx = X509_STORE_CTX_new_ex(app_get0_libctx(), app_get0_propq());
      if (store_ctx == NULL) {
          i =  X509_V_ERR_UNSPECIFIED;
          goto end;
      }
      if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
          i =  X509_V_ERR_UNSPECIFIED;
          goto end;
      }
  
  
      if (X509_verify_cert(store_ctx) > 0)
          chn = X509_STORE_CTX_get1_chain(store_ctx);
      else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
          i = X509_V_ERR_UNSPECIFIED;
  
  end:
      X509_STORE_CTX_free(store_ctx);
      *chain = chn;
      return i;
  }
  
  static int alg_print(const X509_ALGOR *alg)
  {
      int pbenid, aparamtype;
      const ASN1_OBJECT *aoid;
      const void *aparam;
      PBEPARAM *pbe = NULL;
  
      X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
  
      pbenid = OBJ_obj2nid(aoid);
  
      BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
  
      /*
       * If PBE algorithm is PBES2 decode algorithm parameters
       * for additional details.
       */
      if (pbenid == NID_pbes2) {
          PBE2PARAM *pbe2 = NULL;
          int encnid;
          if (aparamtype == V_ASN1_SEQUENCE)
              pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
          if (pbe2 == NULL) {
              BIO_puts(bio_err, ", <unsupported parameters>");
              goto done;
          }
          X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
          pbenid = OBJ_obj2nid(aoid);
          X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
          encnid = OBJ_obj2nid(aoid);
          BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
                     OBJ_nid2sn(encnid));
          /* If KDF is PBKDF2 decode parameters */
          if (pbenid == NID_id_pbkdf2) {
              PBKDF2PARAM *kdf = NULL;
              int prfnid;
              if (aparamtype == V_ASN1_SEQUENCE)
                  kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
              if (kdf == NULL) {
                  BIO_puts(bio_err, ", <unsupported parameters>");
                  goto done;
              }
  
              if (kdf->prf == NULL) {
                  prfnid = NID_hmacWithSHA1;
              } else {
                  X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
                  prfnid = OBJ_obj2nid(aoid);
              }
              BIO_printf(bio_err, ", Iteration %ld, PRF %s",
                         ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
              PBKDF2PARAM_free(kdf);
  #ifndef OPENSSL_NO_SCRYPT
          } else if (pbenid == NID_id_scrypt) {
              SCRYPT_PARAMS *kdf = NULL;
  
              if (aparamtype == V_ASN1_SEQUENCE)
                  kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
              if (kdf == NULL) {
                  BIO_puts(bio_err, ", <unsupported parameters>");
                  goto done;
              }
              BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
                         "Block size(r): %ld, Parallelism(p): %ld",
                         ASN1_STRING_length(kdf->salt),
                         ASN1_INTEGER_get(kdf->costParameter),
                         ASN1_INTEGER_get(kdf->blockSize),
                         ASN1_INTEGER_get(kdf->parallelizationParameter));
              SCRYPT_PARAMS_free(kdf);
  #endif
          }
          PBE2PARAM_free(pbe2);
      } else {
          if (aparamtype == V_ASN1_SEQUENCE)
              pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
          if (pbe == NULL) {
              BIO_puts(bio_err, ", <unsupported parameters>");
              goto done;
          }
          BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
          PBEPARAM_free(pbe);
      }
   done:
      BIO_puts(bio_err, "\n");
      return 1;
  }
  
  /* Load all certificates from a given file */
  
  int cert_load(BIO *in, STACK_OF(X509) *sk)
  {
      int ret = 0;
      X509 *cert;
  
      while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
          ret = 1;
          if (!sk_X509_push(sk, cert))
              return 0;
      }
      if (ret)
          ERR_clear_error();
      return ret;
  }
  
  /* Generalised x509 attribute value print */
  
  void print_attribute(BIO *out, const ASN1_TYPE *av)
  {
      char *value;
  
      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;
  
  <<<<<<< HEAD
      case V_ASN1_UTF8STRING:
          BIO_printf(out, "%s\n", av->value.utf8string->data);
          break;
  
  =======
  >>>>>>> 6e3ba20dc49ccbf12ff4c27a4d8b84dcbeb71654
      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;
      }
  }
  
  /* Generalised attribute print: handle PKCS#8 and bag attributes */
  
  int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
                    const char *name)
  {
      X509_ATTRIBUTE *attr;
      ASN1_TYPE *av;
      int i, j, 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++) {
          ASN1_OBJECT *attr_obj;
          attr = sk_X509_ATTRIBUTE_value(attrlst, i);
          attr_obj = X509_ATTRIBUTE_get0_object(attr);
          attr_nid = OBJ_obj2nid(attr_obj);
          BIO_printf(out, "    ");
          if (attr_nid == NID_undef) {
              i2a_ASN1_OBJECT(out, attr_obj);
              BIO_printf(out, ": ");
          } else {
              BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
          }
  
          if (X509_ATTRIBUTE_count(attr)) {
              for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
              {
                  av = X509_ATTRIBUTE_get0_type(attr, j);
                  print_attribute(out, av);
              }
          } 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(int *ppbe, const char *str)
  {
      if (!str)
          return 0;
      if (strcmp(str, "NONE") == 0) {
          *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;
  }
  