diff options
Diffstat (limited to 'src/usr.bin/openssl/rand.c')
-rw-r--r-- | src/usr.bin/openssl/rand.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/rand.c b/src/usr.bin/openssl/rand.c new file mode 100644 index 0000000000..0800157a35 --- /dev/null +++ b/src/usr.bin/openssl/rand.c | |||
@@ -0,0 +1,194 @@ | |||
1 | /* $OpenBSD: rand.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in | ||
14 | * the documentation and/or other materials provided with the | ||
15 | * distribution. | ||
16 | * | ||
17 | * 3. All advertising materials mentioning features or use of this | ||
18 | * software must display the following acknowledgment: | ||
19 | * "This product includes software developed by the OpenSSL Project | ||
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
21 | * | ||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
23 | * endorse or promote products derived from this software without | ||
24 | * prior written permission. For written permission, please contact | ||
25 | * openssl-core@openssl.org. | ||
26 | * | ||
27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
28 | * nor may "OpenSSL" appear in their names without prior written | ||
29 | * permission of the OpenSSL Project. | ||
30 | * | ||
31 | * 6. Redistributions of any form whatsoever must retain the following | ||
32 | * acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
35 | * | ||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
48 | * ==================================================================== | ||
49 | * | ||
50 | * This product includes cryptographic software written by Eric Young | ||
51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
52 | * Hudson (tjh@cryptsoft.com). | ||
53 | * | ||
54 | */ | ||
55 | |||
56 | #include <ctype.h> | ||
57 | #include <stdio.h> | ||
58 | #include <string.h> | ||
59 | |||
60 | #include "apps.h" | ||
61 | |||
62 | #include <openssl/bio.h> | ||
63 | #include <openssl/err.h> | ||
64 | #include <openssl/rand.h> | ||
65 | |||
66 | /* -out file - write to file | ||
67 | * -base64 - base64 encode output | ||
68 | * -hex - hex encode output | ||
69 | * num - write 'num' bytes | ||
70 | */ | ||
71 | |||
72 | int rand_main(int, char **); | ||
73 | |||
74 | int | ||
75 | rand_main(int argc, char **argv) | ||
76 | { | ||
77 | int i, r, ret = 1; | ||
78 | int badopt; | ||
79 | char *outfile = NULL; | ||
80 | int base64 = 0; | ||
81 | int hex = 0; | ||
82 | BIO *out = NULL; | ||
83 | int num = -1; | ||
84 | #ifndef OPENSSL_NO_ENGINE | ||
85 | char *engine = NULL; | ||
86 | #endif | ||
87 | |||
88 | badopt = 0; | ||
89 | i = 0; | ||
90 | while (!badopt && argv[++i] != NULL) { | ||
91 | if (strcmp(argv[i], "-out") == 0) { | ||
92 | if ((argv[i + 1] != NULL) && (outfile == NULL)) | ||
93 | outfile = argv[++i]; | ||
94 | else | ||
95 | badopt = 1; | ||
96 | } | ||
97 | #ifndef OPENSSL_NO_ENGINE | ||
98 | else if (strcmp(argv[i], "-engine") == 0) { | ||
99 | if ((argv[i + 1] != NULL) && (engine == NULL)) | ||
100 | engine = argv[++i]; | ||
101 | else | ||
102 | badopt = 1; | ||
103 | } | ||
104 | #endif | ||
105 | else if (strcmp(argv[i], "-base64") == 0) { | ||
106 | if (!base64) | ||
107 | base64 = 1; | ||
108 | else | ||
109 | badopt = 1; | ||
110 | } else if (strcmp(argv[i], "-hex") == 0) { | ||
111 | if (!hex) | ||
112 | hex = 1; | ||
113 | else | ||
114 | badopt = 1; | ||
115 | } else if (isdigit((unsigned char) argv[i][0])) { | ||
116 | if (num < 0) { | ||
117 | r = sscanf(argv[i], "%d", &num); | ||
118 | if (r == 0 || num < 0) | ||
119 | badopt = 1; | ||
120 | } else | ||
121 | badopt = 1; | ||
122 | } else | ||
123 | badopt = 1; | ||
124 | } | ||
125 | |||
126 | if (hex && base64) | ||
127 | badopt = 1; | ||
128 | |||
129 | if (num < 0) | ||
130 | badopt = 1; | ||
131 | |||
132 | if (badopt) { | ||
133 | BIO_printf(bio_err, "Usage: rand [options] num\n"); | ||
134 | BIO_printf(bio_err, "where options are\n"); | ||
135 | BIO_printf(bio_err, "-out file - write to file\n"); | ||
136 | #ifndef OPENSSL_NO_ENGINE | ||
137 | BIO_printf(bio_err, "-engine e - use engine e, possibly a hardware device.\n"); | ||
138 | #endif | ||
139 | BIO_printf(bio_err, "-base64 - base64 encode output\n"); | ||
140 | BIO_printf(bio_err, "-hex - hex encode output\n"); | ||
141 | goto err; | ||
142 | } | ||
143 | #ifndef OPENSSL_NO_ENGINE | ||
144 | setup_engine(bio_err, engine, 0); | ||
145 | #endif | ||
146 | |||
147 | out = BIO_new(BIO_s_file()); | ||
148 | if (out == NULL) | ||
149 | goto err; | ||
150 | if (outfile != NULL) | ||
151 | r = BIO_write_filename(out, outfile); | ||
152 | else { | ||
153 | r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); | ||
154 | } | ||
155 | if (r <= 0) | ||
156 | goto err; | ||
157 | |||
158 | if (base64) { | ||
159 | BIO *b64 = BIO_new(BIO_f_base64()); | ||
160 | if (b64 == NULL) | ||
161 | goto err; | ||
162 | out = BIO_push(b64, out); | ||
163 | } | ||
164 | while (num > 0) { | ||
165 | unsigned char buf[4096]; | ||
166 | int chunk; | ||
167 | |||
168 | chunk = num; | ||
169 | if (chunk > (int) sizeof(buf)) | ||
170 | chunk = sizeof buf; | ||
171 | r = RAND_bytes(buf, chunk); | ||
172 | if (r <= 0) | ||
173 | goto err; | ||
174 | if (!hex) | ||
175 | BIO_write(out, buf, chunk); | ||
176 | else { | ||
177 | for (i = 0; i < chunk; i++) | ||
178 | BIO_printf(out, "%02x", buf[i]); | ||
179 | } | ||
180 | num -= chunk; | ||
181 | } | ||
182 | if (hex) | ||
183 | BIO_puts(out, "\n"); | ||
184 | (void) BIO_flush(out); | ||
185 | |||
186 | ret = 0; | ||
187 | |||
188 | err: | ||
189 | ERR_print_errors(bio_err); | ||
190 | if (out) | ||
191 | BIO_free_all(out); | ||
192 | |||
193 | return (ret); | ||
194 | } | ||