Annotation of src/usr.bin/openssl/pkey.c, Revision 1.15
1.15 ! guenther 1: /* $OpenBSD: pkey.c,v 1.14 2019/02/09 15:49:21 inoguchi 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:
1.15 ! guenther 100: static const struct option pkey_options[] = {
1.11 inoguchi 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: pkey_usage()
185: {
1.14 inoguchi 186: int n = 0;
187:
1.11 inoguchi 188: fprintf(stderr,
189: "usage: pkey [-ciphername] [-in file] [-inform fmt] [-noout] "
190: "[-out file]\n"
191: " [-outform fmt] [-passin src] [-passout src] [-pubin] "
192: "[-pubout] [-text]\n"
193: " [-text_pub]\n\n");
194: options_usage(pkey_options);
195: fprintf(stderr, "\n");
196:
197: fprintf(stderr, "Valid ciphername values:\n\n");
1.14 inoguchi 198: OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_cipher, &n);
1.11 inoguchi 199: fprintf(stderr, "\n");
200: }
201:
1.1 jsing 202: int
203: pkey_main(int argc, char **argv)
204: {
205: BIO *in = NULL, *out = NULL;
206: EVP_PKEY *pkey = NULL;
207: char *passin = NULL, *passout = NULL;
208: int ret = 1;
1.6 doug 209:
210: if (single_execution) {
1.9 deraadt 211: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
1.6 doug 212: perror("pledge");
1.8 doug 213: exit(1);
214: }
1.6 doug 215: }
1.1 jsing 216:
1.11 inoguchi 217: memset(&pkey_config, 0, sizeof(pkey_config));
218: pkey_config.informat = FORMAT_PEM;
219: pkey_config.outformat = FORMAT_PEM;
1.1 jsing 220:
1.11 inoguchi 221: if (options_parse(argc, argv, pkey_options, NULL, NULL) != 0) {
222: pkey_usage();
223: goto end;
1.1 jsing 224: }
225:
1.11 inoguchi 226: if (pkey_config.pubtext)
227: pkey_config.text = 1;
228: if (pkey_config.pubin)
229: pkey_config.pubout = pkey_config.pubtext = 1;
1.1 jsing 230:
1.11 inoguchi 231: if (!app_passwd(bio_err, pkey_config.passargin, pkey_config.passargout,
232: &passin, &passout)) {
1.1 jsing 233: BIO_printf(bio_err, "Error getting passwords\n");
234: goto end;
235: }
1.11 inoguchi 236: if (pkey_config.outfile) {
237: if (!(out = BIO_new_file(pkey_config.outfile, "wb"))) {
1.1 jsing 238: BIO_printf(bio_err,
1.11 inoguchi 239: "Can't open output file %s\n", pkey_config.outfile);
1.1 jsing 240: goto end;
241: }
242: } else {
243: out = BIO_new_fp(stdout, BIO_NOCLOSE);
244: }
245:
1.11 inoguchi 246: if (pkey_config.pubin)
247: pkey = load_pubkey(bio_err, pkey_config.infile,
248: pkey_config.informat, 1, passin, "Public Key");
1.1 jsing 249: else
1.11 inoguchi 250: pkey = load_key(bio_err, pkey_config.infile,
251: pkey_config.informat, 1, passin, "key");
1.1 jsing 252: if (!pkey)
253: goto end;
254:
1.11 inoguchi 255: if (!pkey_config.noout) {
256: if (pkey_config.outformat == FORMAT_PEM) {
257: if (pkey_config.pubout)
1.1 jsing 258: PEM_write_bio_PUBKEY(out, pkey);
259: else
1.11 inoguchi 260: PEM_write_bio_PrivateKey(out, pkey,
261: pkey_config.cipher, NULL, 0, NULL, passout);
262: } else if (pkey_config.outformat == FORMAT_ASN1) {
263: if (pkey_config.pubout)
1.1 jsing 264: i2d_PUBKEY_bio(out, pkey);
265: else
266: i2d_PrivateKey_bio(out, pkey);
267: } else {
268: BIO_printf(bio_err, "Bad format specified for key\n");
269: goto end;
270: }
271:
272: }
1.11 inoguchi 273: if (pkey_config.text) {
274: if (pkey_config.pubtext)
1.1 jsing 275: EVP_PKEY_print_public(out, pkey, 0, NULL);
276: else
277: EVP_PKEY_print_private(out, pkey, 0, NULL);
278: }
279: ret = 0;
280:
1.10 jsing 281: end:
1.1 jsing 282: EVP_PKEY_free(pkey);
283: BIO_free_all(out);
284: BIO_free(in);
285: free(passin);
286: free(passout);
287:
288: return ret;
289: }
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