Kinson Chik | a8fa74c | 2011-07-29 11:33:41 -0700 | [diff] [blame] | 1 | /* apps/pkeyparam.c */ |
| 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 | #include <stdio.h> |
| 59 | #include <string.h> |
| 60 | #include "apps.h" |
| 61 | #include <openssl/pem.h> |
| 62 | #include <openssl/err.h> |
| 63 | #include <openssl/evp.h> |
| 64 | |
| 65 | #define PROG pkeyparam_main |
| 66 | |
| 67 | int MAIN(int, char **); |
| 68 | |
| 69 | int MAIN(int argc, char **argv) |
| 70 | { |
| 71 | char **args, *infile = NULL, *outfile = NULL; |
| 72 | BIO *in = NULL, *out = NULL; |
| 73 | int text = 0, noout = 0; |
| 74 | EVP_PKEY *pkey=NULL; |
| 75 | int badarg = 0; |
| 76 | #ifndef OPENSSL_NO_ENGINE |
| 77 | ENGINE *e = NULL; |
| 78 | char *engine=NULL; |
| 79 | #endif |
| 80 | int ret = 1; |
| 81 | |
| 82 | if (bio_err == NULL) |
| 83 | bio_err = BIO_new_fp (stderr, BIO_NOCLOSE); |
| 84 | |
| 85 | if (!load_config(bio_err, NULL)) |
| 86 | goto end; |
| 87 | |
| 88 | ERR_load_crypto_strings(); |
| 89 | OpenSSL_add_all_algorithms(); |
| 90 | args = argv + 1; |
| 91 | while (!badarg && *args && *args[0] == '-') |
| 92 | { |
| 93 | if (!strcmp (*args, "-in")) |
| 94 | { |
| 95 | if (args[1]) |
| 96 | { |
| 97 | args++; |
| 98 | infile = *args; |
| 99 | } |
| 100 | else badarg = 1; |
| 101 | } |
| 102 | else if (!strcmp (*args, "-out")) |
| 103 | { |
| 104 | if (args[1]) |
| 105 | { |
| 106 | args++; |
| 107 | outfile = *args; |
| 108 | } |
| 109 | else badarg = 1; |
| 110 | } |
| 111 | #ifndef OPENSSL_NO_ENGINE |
| 112 | else if (strcmp(*args,"-engine") == 0) |
| 113 | { |
| 114 | if (!args[1]) goto bad; |
| 115 | engine= *(++args); |
| 116 | } |
| 117 | #endif |
| 118 | |
| 119 | else if (strcmp(*args,"-text") == 0) |
| 120 | text=1; |
| 121 | else if (strcmp(*args,"-noout") == 0) |
| 122 | noout=1; |
| 123 | args++; |
| 124 | } |
| 125 | |
| 126 | if (badarg) |
| 127 | { |
| 128 | #ifndef OPENSSL_NO_ENGINE |
| 129 | bad: |
| 130 | #endif |
| 131 | BIO_printf(bio_err, "Usage pkeyparam [options]\n"); |
| 132 | BIO_printf(bio_err, "where options are\n"); |
| 133 | BIO_printf(bio_err, "-in file input file\n"); |
| 134 | BIO_printf(bio_err, "-out file output file\n"); |
| 135 | BIO_printf(bio_err, "-text print parameters as text\n"); |
| 136 | BIO_printf(bio_err, "-noout don't output encoded parameters\n"); |
| 137 | #ifndef OPENSSL_NO_ENGINE |
| 138 | BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); |
| 139 | #endif |
| 140 | return 1; |
| 141 | } |
| 142 | |
| 143 | #ifndef OPENSSL_NO_ENGINE |
| 144 | e = setup_engine(bio_err, engine, 0); |
| 145 | #endif |
| 146 | |
| 147 | if (infile) |
| 148 | { |
| 149 | if (!(in = BIO_new_file (infile, "r"))) |
| 150 | { |
| 151 | BIO_printf(bio_err, |
| 152 | "Can't open input file %s\n", infile); |
| 153 | goto end; |
| 154 | } |
| 155 | } |
| 156 | else |
| 157 | in = BIO_new_fp (stdin, BIO_NOCLOSE); |
| 158 | |
| 159 | if (outfile) |
| 160 | { |
| 161 | if (!(out = BIO_new_file (outfile, "w"))) |
| 162 | { |
| 163 | BIO_printf(bio_err, |
| 164 | "Can't open output file %s\n", outfile); |
| 165 | goto end; |
| 166 | } |
| 167 | } |
| 168 | else |
| 169 | { |
| 170 | out = BIO_new_fp (stdout, BIO_NOCLOSE); |
| 171 | #ifdef OPENSSL_SYS_VMS |
| 172 | { |
| 173 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 174 | out = BIO_push(tmpbio, out); |
| 175 | } |
| 176 | #endif |
| 177 | } |
| 178 | |
| 179 | pkey = PEM_read_bio_Parameters(in, NULL); |
| 180 | if (!pkey) |
| 181 | { |
| 182 | BIO_printf(bio_err, "Error reading parameters\n"); |
| 183 | ERR_print_errors(bio_err); |
| 184 | goto end; |
| 185 | } |
| 186 | |
| 187 | if (!noout) |
| 188 | PEM_write_bio_Parameters(out,pkey); |
| 189 | |
| 190 | if (text) |
| 191 | EVP_PKEY_print_params(out, pkey, 0, NULL); |
| 192 | |
| 193 | ret = 0; |
| 194 | |
| 195 | end: |
| 196 | EVP_PKEY_free(pkey); |
| 197 | BIO_free_all(out); |
| 198 | BIO_free(in); |
| 199 | |
| 200 | return ret; |
| 201 | } |