Annotation of src/usr.bin/openssl/pkey.c, Revision 1.19
1.19 ! tb 1: /* $OpenBSD: pkey.c,v 1.18 2022/11/11 17:07:39 joshua 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 {
1.16 tb 69: int check;
1.11 inoguchi 70: const EVP_CIPHER *cipher;
71: char *infile;
72: int informat;
73: int noout;
74: char *outfile;
75: int outformat;
76: char *passargin;
77: char *passargout;
1.16 tb 78: int pubcheck;
1.11 inoguchi 79: int pubin;
80: int pubout;
81: int pubtext;
82: int text;
1.19 ! tb 83: } cfg;
1.11 inoguchi 84:
85: static int
86: pkey_opt_cipher(int argc, char **argv, int *argsused)
87: {
88: char *name = argv[0];
89:
90: if (*name++ != '-')
91: return (1);
92:
1.19 ! tb 93: if ((cfg.cipher = EVP_get_cipherbyname(name)) == NULL) {
1.11 inoguchi 94: BIO_printf(bio_err, "Unknown cipher %s\n", name);
95: return (1);
96: }
97:
98: *argsused = 1;
99: return (0);
100: }
101:
1.15 guenther 102: static const struct option pkey_options[] = {
1.11 inoguchi 103: {
1.16 tb 104: .name = "check",
105: .desc = "Check validity of key",
106: .type = OPTION_FLAG,
1.19 ! tb 107: .opt.flag = &cfg.check,
1.16 tb 108: },
109: {
1.11 inoguchi 110: .name = "in",
111: .argname = "file",
112: .desc = "Input file (default stdin)",
113: .type = OPTION_ARG,
1.19 ! tb 114: .opt.arg = &cfg.infile,
1.11 inoguchi 115: },
116: {
117: .name = "inform",
118: .argname = "format",
119: .desc = "Input format (DER or PEM (default))",
120: .type = OPTION_ARG_FORMAT,
1.19 ! tb 121: .opt.value = &cfg.informat,
1.11 inoguchi 122: },
123: {
124: .name = "noout",
125: .desc = "Do not print encoded version of the key",
126: .type = OPTION_FLAG,
1.19 ! tb 127: .opt.flag = &cfg.noout,
1.11 inoguchi 128: },
129: {
130: .name = "out",
131: .argname = "file",
132: .desc = "Output file (default stdout)",
133: .type = OPTION_ARG,
1.19 ! tb 134: .opt.arg = &cfg.outfile,
1.11 inoguchi 135: },
136: {
137: .name = "outform",
138: .argname = "format",
139: .desc = "Output format (DER or PEM (default))",
140: .type = OPTION_ARG_FORMAT,
1.19 ! tb 141: .opt.value = &cfg.outformat,
1.11 inoguchi 142: },
143: {
144: .name = "passin",
145: .argname = "src",
146: .desc = "Input file passphrase source",
147: .type = OPTION_ARG,
1.19 ! tb 148: .opt.arg = &cfg.passargin,
1.11 inoguchi 149: },
150: {
151: .name = "passout",
152: .argname = "src",
153: .desc = "Output file passphrase source",
154: .type = OPTION_ARG,
1.19 ! tb 155: .opt.arg = &cfg.passargout,
1.11 inoguchi 156: },
157: {
1.16 tb 158: .name = "pubcheck",
159: .desc = "Check validity of public key",
160: .type = OPTION_FLAG,
1.19 ! tb 161: .opt.flag = &cfg.pubcheck,
1.16 tb 162: },
163: {
1.11 inoguchi 164: .name = "pubin",
165: .desc = "Expect a public key (default private key)",
166: .type = OPTION_VALUE,
167: .value = 1,
1.19 ! tb 168: .opt.value = &cfg.pubin,
1.11 inoguchi 169: },
170: {
171: .name = "pubout",
172: .desc = "Output a public key (default private key)",
173: .type = OPTION_VALUE,
174: .value = 1,
1.19 ! tb 175: .opt.value = &cfg.pubout,
1.11 inoguchi 176: },
177: {
178: .name = "text",
179: .desc = "Print the public/private key in plain text",
180: .type = OPTION_FLAG,
1.19 ! tb 181: .opt.flag = &cfg.text,
1.11 inoguchi 182: },
183: {
184: .name = "text_pub",
185: .desc = "Print out only public key in plain text",
186: .type = OPTION_FLAG,
1.19 ! tb 187: .opt.flag = &cfg.pubtext,
1.11 inoguchi 188: },
189: {
190: .name = NULL,
191: .type = OPTION_ARGV_FUNC,
192: .opt.argvfunc = pkey_opt_cipher,
193: },
194: { NULL }
195: };
196:
197: static void
198: pkey_usage()
199: {
1.14 inoguchi 200: int n = 0;
201:
1.11 inoguchi 202: fprintf(stderr,
1.16 tb 203: "usage: pkey [-check] [-ciphername] [-in file] [-inform fmt] "
204: "[-noout] [-out file]\n"
205: " [-outform fmt] [-passin src] [-passout src] [-pubcheck] "
206: "[-pubin] [-pubout]\n"
207: " [-text] [-text_pub]\n\n");
1.11 inoguchi 208: options_usage(pkey_options);
209: fprintf(stderr, "\n");
210:
211: fprintf(stderr, "Valid ciphername values:\n\n");
1.14 inoguchi 212: OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_cipher, &n);
1.11 inoguchi 213: fprintf(stderr, "\n");
214: }
215:
1.1 jsing 216: int
217: pkey_main(int argc, char **argv)
218: {
219: BIO *in = NULL, *out = NULL;
220: EVP_PKEY *pkey = NULL;
221: char *passin = NULL, *passout = NULL;
222: int ret = 1;
1.6 doug 223:
1.18 joshua 224: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
225: perror("pledge");
226: exit(1);
1.6 doug 227: }
1.1 jsing 228:
1.19 ! tb 229: memset(&cfg, 0, sizeof(cfg));
! 230: cfg.informat = FORMAT_PEM;
! 231: cfg.outformat = FORMAT_PEM;
1.1 jsing 232:
1.11 inoguchi 233: if (options_parse(argc, argv, pkey_options, NULL, NULL) != 0) {
234: pkey_usage();
235: goto end;
1.1 jsing 236: }
237:
1.19 ! tb 238: if (cfg.pubtext)
! 239: cfg.text = 1;
! 240: if (cfg.pubin)
! 241: cfg.pubout = cfg.pubtext = 1;
1.1 jsing 242:
1.19 ! tb 243: if (!app_passwd(bio_err, cfg.passargin, cfg.passargout,
1.11 inoguchi 244: &passin, &passout)) {
1.1 jsing 245: BIO_printf(bio_err, "Error getting passwords\n");
246: goto end;
247: }
1.19 ! tb 248: if (cfg.outfile) {
! 249: if (!(out = BIO_new_file(cfg.outfile, "wb"))) {
1.1 jsing 250: BIO_printf(bio_err,
1.19 ! tb 251: "Can't open output file %s\n", cfg.outfile);
1.1 jsing 252: goto end;
253: }
254: } else {
255: out = BIO_new_fp(stdout, BIO_NOCLOSE);
256: }
257:
1.19 ! tb 258: if (cfg.pubin)
! 259: pkey = load_pubkey(bio_err, cfg.infile,
! 260: cfg.informat, 1, passin, "Public Key");
1.1 jsing 261: else
1.19 ! tb 262: pkey = load_key(bio_err, cfg.infile,
! 263: cfg.informat, 1, passin, "key");
1.1 jsing 264: if (!pkey)
265: goto end;
1.16 tb 266:
1.19 ! tb 267: if (cfg.check) {
1.16 tb 268: if (!pkey_check(out, pkey, EVP_PKEY_check, "Key pair"))
269: goto end;
1.19 ! tb 270: } else if (cfg.pubcheck) {
1.16 tb 271: if (!pkey_check(out, pkey, EVP_PKEY_public_check, "Public key"))
272: goto end;
273: }
1.1 jsing 274:
1.19 ! tb 275: if (!cfg.noout) {
! 276: if (cfg.outformat == FORMAT_PEM) {
! 277: if (cfg.pubout)
1.1 jsing 278: PEM_write_bio_PUBKEY(out, pkey);
279: else
1.11 inoguchi 280: PEM_write_bio_PrivateKey(out, pkey,
1.19 ! tb 281: cfg.cipher, NULL, 0, NULL, passout);
! 282: } else if (cfg.outformat == FORMAT_ASN1) {
! 283: if (cfg.pubout)
1.1 jsing 284: i2d_PUBKEY_bio(out, pkey);
285: else
286: i2d_PrivateKey_bio(out, pkey);
287: } else {
288: BIO_printf(bio_err, "Bad format specified for key\n");
289: goto end;
290: }
291:
292: }
1.19 ! tb 293: if (cfg.text) {
! 294: if (cfg.pubtext)
1.1 jsing 295: EVP_PKEY_print_public(out, pkey, 0, NULL);
296: else
297: EVP_PKEY_print_private(out, pkey, 0, NULL);
298: }
299: ret = 0;
300:
1.10 jsing 301: end:
1.1 jsing 302: EVP_PKEY_free(pkey);
303: BIO_free_all(out);
304: BIO_free(in);
305: free(passin);
306: free(passout);
307:
308: return ret;
309: }
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