Annotation of src/usr.bin/openssl/pkey.c, Revision 1.11
1.11 ! inoguchi 1: /* $OpenBSD: pkey.c,v 1.10 2018/02/07 05:47:55 jsing 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:
1.11 ! inoguchi 68: static struct {
! 69: const EVP_CIPHER *cipher;
! 70: char *infile;
! 71: int informat;
! 72: int noout;
! 73: char *outfile;
! 74: int outformat;
! 75: char *passargin;
! 76: char *passargout;
! 77: int pubin;
! 78: int pubout;
! 79: int pubtext;
! 80: int text;
! 81: } pkey_config;
! 82:
! 83: static int
! 84: pkey_opt_cipher(int argc, char **argv, int *argsused)
! 85: {
! 86: char *name = argv[0];
! 87:
! 88: if (*name++ != '-')
! 89: return (1);
! 90:
! 91: if ((pkey_config.cipher = EVP_get_cipherbyname(name)) == NULL) {
! 92: BIO_printf(bio_err, "Unknown cipher %s\n", name);
! 93: return (1);
! 94: }
! 95:
! 96: *argsused = 1;
! 97: return (0);
! 98: }
! 99:
! 100: static struct option pkey_options[] = {
! 101: {
! 102: .name = "in",
! 103: .argname = "file",
! 104: .desc = "Input file (default stdin)",
! 105: .type = OPTION_ARG,
! 106: .opt.arg = &pkey_config.infile,
! 107: },
! 108: {
! 109: .name = "inform",
! 110: .argname = "format",
! 111: .desc = "Input format (DER or PEM (default))",
! 112: .type = OPTION_ARG_FORMAT,
! 113: .opt.value = &pkey_config.informat,
! 114: },
! 115: {
! 116: .name = "noout",
! 117: .desc = "Do not print encoded version of the key",
! 118: .type = OPTION_FLAG,
! 119: .opt.flag = &pkey_config.noout,
! 120: },
! 121: {
! 122: .name = "out",
! 123: .argname = "file",
! 124: .desc = "Output file (default stdout)",
! 125: .type = OPTION_ARG,
! 126: .opt.arg = &pkey_config.outfile,
! 127: },
! 128: {
! 129: .name = "outform",
! 130: .argname = "format",
! 131: .desc = "Output format (DER or PEM (default))",
! 132: .type = OPTION_ARG_FORMAT,
! 133: .opt.value = &pkey_config.outformat,
! 134: },
! 135: {
! 136: .name = "passin",
! 137: .argname = "src",
! 138: .desc = "Input file passphrase source",
! 139: .type = OPTION_ARG,
! 140: .opt.arg = &pkey_config.passargin,
! 141: },
! 142: {
! 143: .name = "passout",
! 144: .argname = "src",
! 145: .desc = "Output file passphrase source",
! 146: .type = OPTION_ARG,
! 147: .opt.arg = &pkey_config.passargout,
! 148: },
! 149: {
! 150: .name = "pubin",
! 151: .desc = "Expect a public key (default private key)",
! 152: .type = OPTION_VALUE,
! 153: .value = 1,
! 154: .opt.value = &pkey_config.pubin,
! 155: },
! 156: {
! 157: .name = "pubout",
! 158: .desc = "Output a public key (default private key)",
! 159: .type = OPTION_VALUE,
! 160: .value = 1,
! 161: .opt.value = &pkey_config.pubout,
! 162: },
! 163: {
! 164: .name = "text",
! 165: .desc = "Print the public/private key in plain text",
! 166: .type = OPTION_FLAG,
! 167: .opt.flag = &pkey_config.text,
! 168: },
! 169: {
! 170: .name = "text_pub",
! 171: .desc = "Print out only public key in plain text",
! 172: .type = OPTION_FLAG,
! 173: .opt.flag = &pkey_config.pubtext,
! 174: },
! 175: {
! 176: .name = NULL,
! 177: .type = OPTION_ARGV_FUNC,
! 178: .opt.argvfunc = pkey_opt_cipher,
! 179: },
! 180: { NULL }
! 181: };
! 182:
! 183: static void
! 184: show_ciphers(const OBJ_NAME *name, void *arg)
! 185: {
! 186: static int n;
! 187:
! 188: fprintf(stderr, " -%-24s%s", name->name, (++n % 3 ? "" : "\n"));
! 189: }
! 190:
! 191: static void
! 192: pkey_usage()
! 193: {
! 194: fprintf(stderr,
! 195: "usage: pkey [-ciphername] [-in file] [-inform fmt] [-noout] "
! 196: "[-out file]\n"
! 197: " [-outform fmt] [-passin src] [-passout src] [-pubin] "
! 198: "[-pubout] [-text]\n"
! 199: " [-text_pub]\n\n");
! 200: options_usage(pkey_options);
! 201: fprintf(stderr, "\n");
! 202:
! 203: fprintf(stderr, "Valid ciphername values:\n\n");
! 204: OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_ciphers, NULL);
! 205: fprintf(stderr, "\n");
! 206: }
! 207:
1.1 jsing 208: int
209: pkey_main(int argc, char **argv)
210: {
211: BIO *in = NULL, *out = NULL;
212: EVP_PKEY *pkey = NULL;
213: char *passin = NULL, *passout = NULL;
214: int ret = 1;
1.6 doug 215:
216: if (single_execution) {
1.9 deraadt 217: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
1.6 doug 218: perror("pledge");
1.8 doug 219: exit(1);
220: }
1.6 doug 221: }
1.1 jsing 222:
1.11 ! inoguchi 223: memset(&pkey_config, 0, sizeof(pkey_config));
! 224: pkey_config.informat = FORMAT_PEM;
! 225: pkey_config.outformat = FORMAT_PEM;
1.1 jsing 226:
1.11 ! inoguchi 227: if (options_parse(argc, argv, pkey_options, NULL, NULL) != 0) {
! 228: pkey_usage();
! 229: goto end;
1.1 jsing 230: }
231:
1.11 ! inoguchi 232: if (pkey_config.pubtext)
! 233: pkey_config.text = 1;
! 234: if (pkey_config.pubin)
! 235: pkey_config.pubout = pkey_config.pubtext = 1;
1.1 jsing 236:
1.11 ! inoguchi 237: if (!app_passwd(bio_err, pkey_config.passargin, pkey_config.passargout,
! 238: &passin, &passout)) {
1.1 jsing 239: BIO_printf(bio_err, "Error getting passwords\n");
240: goto end;
241: }
1.11 ! inoguchi 242: if (pkey_config.outfile) {
! 243: if (!(out = BIO_new_file(pkey_config.outfile, "wb"))) {
1.1 jsing 244: BIO_printf(bio_err,
1.11 ! inoguchi 245: "Can't open output file %s\n", pkey_config.outfile);
1.1 jsing 246: goto end;
247: }
248: } else {
249: out = BIO_new_fp(stdout, BIO_NOCLOSE);
250: }
251:
1.11 ! inoguchi 252: if (pkey_config.pubin)
! 253: pkey = load_pubkey(bio_err, pkey_config.infile,
! 254: pkey_config.informat, 1, passin, "Public Key");
1.1 jsing 255: else
1.11 ! inoguchi 256: pkey = load_key(bio_err, pkey_config.infile,
! 257: pkey_config.informat, 1, passin, "key");
1.1 jsing 258: if (!pkey)
259: goto end;
260:
1.11 ! inoguchi 261: if (!pkey_config.noout) {
! 262: if (pkey_config.outformat == FORMAT_PEM) {
! 263: if (pkey_config.pubout)
1.1 jsing 264: PEM_write_bio_PUBKEY(out, pkey);
265: else
1.11 ! inoguchi 266: PEM_write_bio_PrivateKey(out, pkey,
! 267: pkey_config.cipher, NULL, 0, NULL, passout);
! 268: } else if (pkey_config.outformat == FORMAT_ASN1) {
! 269: if (pkey_config.pubout)
1.1 jsing 270: i2d_PUBKEY_bio(out, pkey);
271: else
272: i2d_PrivateKey_bio(out, pkey);
273: } else {
274: BIO_printf(bio_err, "Bad format specified for key\n");
275: goto end;
276: }
277:
278: }
1.11 ! inoguchi 279: if (pkey_config.text) {
! 280: if (pkey_config.pubtext)
1.1 jsing 281: EVP_PKEY_print_public(out, pkey, 0, NULL);
282: else
283: EVP_PKEY_print_private(out, pkey, 0, NULL);
284: }
285: ret = 0;
286:
1.10 jsing 287: end:
1.1 jsing 288: EVP_PKEY_free(pkey);
289: BIO_free_all(out);
290: BIO_free(in);
291: free(passin);
292: free(passout);
293:
294: return ret;
295: }
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