1 /* $OpenBSD: pkeyparam.c,v 1.5 2015/04/11 15:41:57 jsing Exp $ */ 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3 * project 2006 4 */ 5 /* ==================================================================== 6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 #include <stdio.h> 60 #include <string.h> 61 62 #include "apps.h" 63 64 #include <openssl/err.h> 65 #include <openssl/evp.h> 66 #include <openssl/pem.h> 67 68 struct { 69 #ifndef OPENSSL_NO_ENGINE 70 char *engine; 71 #endif 72 char *infile; 73 int noout; 74 char *outfile; 75 int text; 76 } pkeyparam_config; 77 78 struct option pkeyparam_options[] = { 79 #ifndef OPENSSL_NO_ENGINE 80 { 81 .name = "engine", 82 .argname = "id", 83 .desc = "Use the engine specified by the given identifier", 84 .type = OPTION_ARG, 85 .opt.arg = &pkeyparam_config.engine, 86 }, 87 #endif 88 { 89 .name = "in", 90 .argname = "file", 91 .desc = "Input file (default stdin)", 92 .type = OPTION_ARG, 93 .opt.arg = &pkeyparam_config.infile, 94 }, 95 { 96 .name = "noout", 97 .desc = "Do not print encoded version of the parameters", 98 .type = OPTION_FLAG, 99 .opt.flag = &pkeyparam_config.noout, 100 }, 101 { 102 .name = "out", 103 .argname = "file", 104 .desc = "Output file (default stdout)", 105 .type = OPTION_ARG, 106 .opt.arg = &pkeyparam_config.outfile, 107 }, 108 { 109 .name = "text", 110 .desc = "Print out the parameters in plain text", 111 .type = OPTION_FLAG, 112 .opt.flag = &pkeyparam_config.text, 113 }, 114 { NULL }, 115 }; 116 117 static void 118 pkeyparam_usage() 119 { 120 fprintf(stderr, 121 "usage: pkeyparam [-engine id] [-in file] [-noout] [-out file] " 122 "[-text]\n"); 123 options_usage(pkeyparam_options); 124 } 125 126 int pkeyparam_main(int, char **); 127 128 int 129 pkeyparam_main(int argc, char **argv) 130 { 131 BIO *in = NULL, *out = NULL; 132 EVP_PKEY *pkey = NULL; 133 int ret = 1; 134 135 memset(&pkeyparam_config, 0, sizeof(pkeyparam_config)); 136 137 if (options_parse(argc, argv, pkeyparam_options, NULL, NULL) != 0) { 138 pkeyparam_usage(); 139 return (1); 140 } 141 142 #ifndef OPENSSL_NO_ENGINE 143 setup_engine(bio_err, pkeyparam_config.engine, 0); 144 #endif 145 146 if (pkeyparam_config.infile) { 147 if (!(in = BIO_new_file(pkeyparam_config.infile, "r"))) { 148 BIO_printf(bio_err, "Can't open input file %s\n", 149 pkeyparam_config.infile); 150 goto end; 151 } 152 } else 153 in = BIO_new_fp(stdin, BIO_NOCLOSE); 154 155 if (pkeyparam_config.outfile) { 156 if (!(out = BIO_new_file(pkeyparam_config.outfile, "w"))) { 157 BIO_printf(bio_err, "Can't open output file %s\n", 158 pkeyparam_config.outfile); 159 goto end; 160 } 161 } else { 162 out = BIO_new_fp(stdout, BIO_NOCLOSE); 163 } 164 165 pkey = PEM_read_bio_Parameters(in, NULL); 166 if (!pkey) { 167 BIO_printf(bio_err, "Error reading parameters\n"); 168 ERR_print_errors(bio_err); 169 goto end; 170 } 171 if (!pkeyparam_config.noout) 172 PEM_write_bio_Parameters(out, pkey); 173 174 if (pkeyparam_config.text) 175 EVP_PKEY_print_params(out, pkey, 0, NULL); 176 177 ret = 0; 178 179 end: 180 EVP_PKEY_free(pkey); 181 BIO_free_all(out); 182 BIO_free(in); 183 184 return ret; 185 } 186