[331] | 1 | /*
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| 2 | * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include <string.h>
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| 12 | #include "apps.h"
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| 13 | #include <openssl/pem.h>
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| 14 | #include <openssl/err.h>
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| 15 | #include <openssl/evp.h>
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| 16 |
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| 17 | typedef enum OPTION_choice {
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| 18 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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| 19 | OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
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| 20 | OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
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| 21 | OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL
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| 22 | } OPTION_CHOICE;
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| 23 |
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| 24 | OPTIONS pkey_options[] = {
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| 25 | {"help", OPT_HELP, '-', "Display this summary"},
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| 26 | {"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
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| 27 | {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
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| 28 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
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| 29 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
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| 30 | {"in", OPT_IN, 's', "Input key"},
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| 31 | {"out", OPT_OUT, '>', "Output file"},
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| 32 | {"pubin", OPT_PUBIN, '-',
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| 33 | "Read public key from input (default is private key)"},
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| 34 | {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
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| 35 | {"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
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| 36 | {"text", OPT_TEXT, '-', "Output in plaintext as well"},
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| 37 | {"noout", OPT_NOOUT, '-', "Don't output the key"},
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| 38 | {"", OPT_MD, '-', "Any supported cipher"},
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| 39 | {"traditional", OPT_TRADITIONAL, '-',
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| 40 | "Use traditional format for private keys"},
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| 41 | #ifndef OPENSSL_NO_ENGINE
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| 42 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
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| 43 | #endif
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| 44 | {NULL}
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| 45 | };
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| 46 |
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| 47 | int pkey_main(int argc, char **argv)
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| 48 | {
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| 49 | BIO *in = NULL, *out = NULL;
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| 50 | ENGINE *e = NULL;
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| 51 | EVP_PKEY *pkey = NULL;
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| 52 | const EVP_CIPHER *cipher = NULL;
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| 53 | char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
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| 54 | char *passinarg = NULL, *passoutarg = NULL, *prog;
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| 55 | OPTION_CHOICE o;
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| 56 | int informat = FORMAT_PEM, outformat = FORMAT_PEM;
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| 57 | int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
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| 58 | int private = 0, traditional = 0;
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| 59 |
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| 60 | prog = opt_init(argc, argv, pkey_options);
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| 61 | while ((o = opt_next()) != OPT_EOF) {
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| 62 | switch (o) {
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| 63 | case OPT_EOF:
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| 64 | case OPT_ERR:
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| 65 | opthelp:
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| 66 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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| 67 | goto end;
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| 68 | case OPT_HELP:
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| 69 | opt_help(pkey_options);
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| 70 | ret = 0;
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| 71 | goto end;
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| 72 | case OPT_INFORM:
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| 73 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
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| 74 | goto opthelp;
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| 75 | break;
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| 76 | case OPT_OUTFORM:
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| 77 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
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| 78 | goto opthelp;
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| 79 | break;
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| 80 | case OPT_PASSIN:
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| 81 | passinarg = opt_arg();
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| 82 | break;
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| 83 | case OPT_PASSOUT:
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| 84 | passoutarg = opt_arg();
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| 85 | break;
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| 86 | case OPT_ENGINE:
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| 87 | e = setup_engine(opt_arg(), 0);
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| 88 | break;
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| 89 | case OPT_IN:
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| 90 | infile = opt_arg();
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| 91 | break;
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| 92 | case OPT_OUT:
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| 93 | outfile = opt_arg();
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| 94 | break;
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| 95 | case OPT_PUBIN:
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| 96 | pubin = pubout = pubtext = 1;
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| 97 | break;
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| 98 | case OPT_PUBOUT:
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| 99 | pubout = 1;
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| 100 | break;
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| 101 | case OPT_TEXT_PUB:
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| 102 | pubtext = text = 1;
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| 103 | break;
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| 104 | case OPT_TEXT:
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| 105 | text = 1;
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| 106 | break;
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| 107 | case OPT_NOOUT:
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| 108 | noout = 1;
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| 109 | break;
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| 110 | case OPT_TRADITIONAL:
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| 111 | traditional = 1;
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| 112 | break;
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| 113 | case OPT_MD:
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| 114 | if (!opt_cipher(opt_unknown(), &cipher))
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| 115 | goto opthelp;
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| 116 | }
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| 117 | }
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| 118 | argc = opt_num_rest();
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| 119 | if (argc != 0)
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| 120 | goto opthelp;
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| 121 |
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| 122 | private = !noout && !pubout ? 1 : 0;
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| 123 | if (text && !pubtext)
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| 124 | private = 1;
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| 125 |
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| 126 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
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| 127 | BIO_printf(bio_err, "Error getting passwords\n");
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| 128 | goto end;
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| 129 | }
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| 130 |
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| 131 | out = bio_open_owner(outfile, outformat, private);
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| 132 | if (out == NULL)
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| 133 | goto end;
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| 134 |
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| 135 | if (pubin)
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| 136 | pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
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| 137 | else
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| 138 | pkey = load_key(infile, informat, 1, passin, e, "key");
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| 139 | if (!pkey)
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| 140 | goto end;
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| 141 |
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| 142 | if (!noout) {
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| 143 | if (outformat == FORMAT_PEM) {
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| 144 | if (pubout)
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| 145 | PEM_write_bio_PUBKEY(out, pkey);
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| 146 | else {
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| 147 | assert(private);
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| 148 | if (traditional)
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| 149 | PEM_write_bio_PrivateKey_traditional(out, pkey, cipher,
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| 150 | NULL, 0, NULL,
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| 151 | passout);
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| 152 | else
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| 153 | PEM_write_bio_PrivateKey(out, pkey, cipher,
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| 154 | NULL, 0, NULL, passout);
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| 155 | }
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| 156 | } else if (outformat == FORMAT_ASN1) {
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| 157 | if (pubout)
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| 158 | i2d_PUBKEY_bio(out, pkey);
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| 159 | else {
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| 160 | assert(private);
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| 161 | i2d_PrivateKey_bio(out, pkey);
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| 162 | }
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| 163 | } else {
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| 164 | BIO_printf(bio_err, "Bad format specified for key\n");
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| 165 | goto end;
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| 166 | }
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| 167 |
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| 168 | }
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| 169 |
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| 170 | if (text) {
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| 171 | if (pubtext)
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| 172 | EVP_PKEY_print_public(out, pkey, 0, NULL);
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| 173 | else {
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| 174 | assert(private);
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| 175 | EVP_PKEY_print_private(out, pkey, 0, NULL);
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| 176 | }
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| 177 | }
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| 178 |
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| 179 | ret = 0;
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| 180 |
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| 181 | end:
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| 182 | EVP_PKEY_free(pkey);
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| 183 | release_engine(e);
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| 184 | BIO_free_all(out);
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| 185 | BIO_free(in);
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| 186 | OPENSSL_free(passin);
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| 187 | OPENSSL_free(passout);
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| 188 |
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| 189 | return ret;
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| 190 | }
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