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Annotation of src/usr.bin/openssl/pkeyparam.c, Revision 1.13

1.13    ! tb          1: /* $OpenBSD: pkeyparam.c,v 1.12 2019/07/14 03:30:46 guenther Exp $ */
1.1       jsing       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:
1.4       jsing      68: struct {
1.13    ! tb         69:        int check;
1.4       jsing      70:        char *infile;
                     71:        int noout;
                     72:        char *outfile;
                     73:        int text;
                     74: } pkeyparam_config;
                     75:
1.12      guenther   76: static const struct option pkeyparam_options[] = {
1.4       jsing      77:        {
1.13    ! tb         78:                .name = "check",
        !            79:                .desc = "Check validity of key parameters",
        !            80:                .type = OPTION_FLAG,
        !            81:                .opt.flag = &pkeyparam_config.check,
        !            82:        },
        !            83:        {
1.4       jsing      84:                .name = "in",
                     85:                .argname = "file",
                     86:                .desc = "Input file (default stdin)",
                     87:                .type = OPTION_ARG,
                     88:                .opt.arg = &pkeyparam_config.infile,
                     89:        },
                     90:        {
                     91:                .name = "noout",
                     92:                .desc = "Do not print encoded version of the parameters",
                     93:                .type = OPTION_FLAG,
                     94:                .opt.flag = &pkeyparam_config.noout,
                     95:        },
                     96:        {
                     97:                .name = "out",
                     98:                .argname = "file",
                     99:                .desc = "Output file (default stdout)",
                    100:                .type = OPTION_ARG,
                    101:                .opt.arg = &pkeyparam_config.outfile,
                    102:        },
                    103:        {
                    104:                .name = "text",
                    105:                .desc = "Print out the parameters in plain text",
                    106:                .type = OPTION_FLAG,
                    107:                .opt.flag = &pkeyparam_config.text,
                    108:        },
                    109:        { NULL },
                    110: };
                    111:
                    112: static void
                    113: pkeyparam_usage()
                    114: {
                    115:        fprintf(stderr,
1.13    ! tb        116:            "usage: pkeyparam [-check] [-in file] [-noout] [-out file] "
1.4       jsing     117:            "[-text]\n");
                    118:        options_usage(pkeyparam_options);
                    119: }
1.1       jsing     120:
                    121: int
                    122: pkeyparam_main(int argc, char **argv)
                    123: {
                    124:        BIO *in = NULL, *out = NULL;
                    125:        EVP_PKEY *pkey = NULL;
                    126:        int ret = 1;
1.8       doug      127:
                    128:        if (single_execution) {
1.10      deraadt   129:                if (pledge("stdio cpath wpath rpath", NULL) == -1) {
1.8       doug      130:                        perror("pledge");
1.9       doug      131:                        exit(1);
                    132:                }
1.8       doug      133:        }
1.1       jsing     134:
1.4       jsing     135:        memset(&pkeyparam_config, 0, sizeof(pkeyparam_config));
1.1       jsing     136:
1.4       jsing     137:        if (options_parse(argc, argv, pkeyparam_options, NULL, NULL) != 0) {
                    138:                pkeyparam_usage();
                    139:                return (1);
1.1       jsing     140:        }
                    141:
1.4       jsing     142:        if (pkeyparam_config.infile) {
                    143:                if (!(in = BIO_new_file(pkeyparam_config.infile, "r"))) {
                    144:                        BIO_printf(bio_err, "Can't open input file %s\n",
                    145:                            pkeyparam_config.infile);
1.5       jsing     146:                        goto end;
1.1       jsing     147:                }
                    148:        } else
                    149:                in = BIO_new_fp(stdin, BIO_NOCLOSE);
                    150:
1.4       jsing     151:        if (pkeyparam_config.outfile) {
                    152:                if (!(out = BIO_new_file(pkeyparam_config.outfile, "w"))) {
                    153:                        BIO_printf(bio_err, "Can't open output file %s\n",
                    154:                            pkeyparam_config.outfile);
1.1       jsing     155:                        goto end;
                    156:                }
                    157:        } else {
                    158:                out = BIO_new_fp(stdout, BIO_NOCLOSE);
                    159:        }
                    160:
                    161:        pkey = PEM_read_bio_Parameters(in, NULL);
                    162:        if (!pkey) {
                    163:                BIO_printf(bio_err, "Error reading parameters\n");
                    164:                ERR_print_errors(bio_err);
                    165:                goto end;
                    166:        }
1.13    ! tb        167:
        !           168: #if notyet
        !           169:        if (pkeyparam_config.check) {
        !           170:                if (!pkey_check(out, pkey, EVP_PKEY_param_check, "Parameters"))
        !           171:                        goto end;
        !           172:        }
        !           173: #endif
        !           174:
1.4       jsing     175:        if (!pkeyparam_config.noout)
1.1       jsing     176:                PEM_write_bio_Parameters(out, pkey);
                    177:
1.4       jsing     178:        if (pkeyparam_config.text)
1.1       jsing     179:                EVP_PKEY_print_params(out, pkey, 0, NULL);
                    180:
                    181:        ret = 0;
                    182:
1.11      jsing     183:  end:
1.1       jsing     184:        EVP_PKEY_free(pkey);
                    185:        BIO_free_all(out);
                    186:        BIO_free(in);
                    187:
                    188:        return ret;
                    189: }