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