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| 1 /* apps/rand.c */ | |
| 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 "apps.h" | |
| 57 | |
| 58 #include <ctype.h> | |
| 59 #include <stdio.h> | |
| 60 #include <string.h> | |
| 61 | |
| 62 #include <openssl/bio.h> | |
| 63 #include <openssl/err.h> | |
| 64 #include <openssl/rand.h> | |
| 65 | |
| 66 #undef PROG | |
| 67 #define PROG rand_main | |
| 68 | |
| 69 /* -out file - write to file | |
| 70 * -rand file:file - PRNG seed files | |
| 71 * -base64 - base64 encode output | |
| 72 * -hex - hex encode output | |
| 73 * num - write 'num' bytes | |
| 74 */ | |
| 75 | |
| 76 int MAIN(int, char **); | |
| 77 | |
| 78 int MAIN(int argc, char **argv) | |
| 79 { | |
| 80 int i, r, ret = 1; | |
| 81 int badopt; | |
| 82 char *outfile = NULL; | |
| 83 char *inrand = NULL; | |
| 84 int base64 = 0; | |
| 85 int hex = 0; | |
| 86 BIO *out = NULL; | |
| 87 int num = -1; | |
| 88 #ifndef OPENSSL_NO_ENGINE | |
| 89 char *engine=NULL; | |
| 90 #endif | |
| 91 | |
| 92 apps_startup(); | |
| 93 | |
| 94 if (bio_err == NULL) | |
| 95 if ((bio_err = BIO_new(BIO_s_file())) != NULL) | |
| 96 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); | |
| 97 | |
| 98 if (!load_config(bio_err, NULL)) | |
| 99 goto err; | |
| 100 | |
| 101 badopt = 0; | |
| 102 i = 0; | |
| 103 while (!badopt && argv[++i] != NULL) | |
| 104 { | |
| 105 if (strcmp(argv[i], "-out") == 0) | |
| 106 { | |
| 107 if ((argv[i+1] != NULL) && (outfile == NULL)) | |
| 108 outfile = argv[++i]; | |
| 109 else | |
| 110 badopt = 1; | |
| 111 } | |
| 112 #ifndef OPENSSL_NO_ENGINE | |
| 113 else if (strcmp(argv[i], "-engine") == 0) | |
| 114 { | |
| 115 if ((argv[i+1] != NULL) && (engine == NULL)) | |
| 116 engine = argv[++i]; | |
| 117 else | |
| 118 badopt = 1; | |
| 119 } | |
| 120 #endif | |
| 121 else if (strcmp(argv[i], "-rand") == 0) | |
| 122 { | |
| 123 if ((argv[i+1] != NULL) && (inrand == NULL)) | |
| 124 inrand = argv[++i]; | |
| 125 else | |
| 126 badopt = 1; | |
| 127 } | |
| 128 else if (strcmp(argv[i], "-base64") == 0) | |
| 129 { | |
| 130 if (!base64) | |
| 131 base64 = 1; | |
| 132 else | |
| 133 badopt = 1; | |
| 134 } | |
| 135 else if (strcmp(argv[i], "-hex") == 0) | |
| 136 { | |
| 137 if (!hex) | |
| 138 hex = 1; | |
| 139 else | |
| 140 badopt = 1; | |
| 141 } | |
| 142 else if (isdigit((unsigned char)argv[i][0])) | |
| 143 { | |
| 144 if (num < 0) | |
| 145 { | |
| 146 r = sscanf(argv[i], "%d", &num); | |
| 147 if (r == 0 || num < 0) | |
| 148 badopt = 1; | |
| 149 } | |
| 150 else | |
| 151 badopt = 1; | |
| 152 } | |
| 153 else | |
| 154 badopt = 1; | |
| 155 } | |
| 156 | |
| 157 if (hex && base64) | |
| 158 badopt = 1; | |
| 159 | |
| 160 if (num < 0) | |
| 161 badopt = 1; | |
| 162 | |
| 163 if (badopt) | |
| 164 { | |
| 165 BIO_printf(bio_err, "Usage: rand [options] num\n"); | |
| 166 BIO_printf(bio_err, "where options are\n"); | |
| 167 BIO_printf(bio_err, "-out file - write to file\n"); | |
| 168 #ifndef OPENSSL_NO_ENGINE | |
| 169 BIO_printf(bio_err, "-engine e - use engine e, possi
bly a hardware device.\n"); | |
| 170 #endif | |
| 171 BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from file
s\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); | |
| 172 BIO_printf(bio_err, "-base64 - base64 encode outpu
t\n"); | |
| 173 BIO_printf(bio_err, "-hex - hex encode output\n
"); | |
| 174 goto err; | |
| 175 } | |
| 176 | |
| 177 #ifndef OPENSSL_NO_ENGINE | |
| 178 setup_engine(bio_err, engine, 0); | |
| 179 #endif | |
| 180 | |
| 181 app_RAND_load_file(NULL, bio_err, (inrand != NULL)); | |
| 182 if (inrand != NULL) | |
| 183 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
| 184 app_RAND_load_files(inrand)); | |
| 185 | |
| 186 out = BIO_new(BIO_s_file()); | |
| 187 if (out == NULL) | |
| 188 goto err; | |
| 189 if (outfile != NULL) | |
| 190 r = BIO_write_filename(out, outfile); | |
| 191 else | |
| 192 { | |
| 193 r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); | |
| 194 #ifdef OPENSSL_SYS_VMS | |
| 195 { | |
| 196 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 197 out = BIO_push(tmpbio, out); | |
| 198 } | |
| 199 #endif | |
| 200 } | |
| 201 if (r <= 0) | |
| 202 goto err; | |
| 203 | |
| 204 if (base64) | |
| 205 { | |
| 206 BIO *b64 = BIO_new(BIO_f_base64()); | |
| 207 if (b64 == NULL) | |
| 208 goto err; | |
| 209 out = BIO_push(b64, out); | |
| 210 } | |
| 211 | |
| 212 while (num > 0) | |
| 213 { | |
| 214 unsigned char buf[4096]; | |
| 215 int chunk; | |
| 216 | |
| 217 chunk = num; | |
| 218 if (chunk > (int)sizeof(buf)) | |
| 219 chunk = sizeof buf; | |
| 220 r = RAND_bytes(buf, chunk); | |
| 221 if (r <= 0) | |
| 222 goto err; | |
| 223 if (!hex) | |
| 224 BIO_write(out, buf, chunk); | |
| 225 else | |
| 226 { | |
| 227 for (i = 0; i < chunk; i++) | |
| 228 BIO_printf(out, "%02x", buf[i]); | |
| 229 } | |
| 230 num -= chunk; | |
| 231 } | |
| 232 if (hex) | |
| 233 BIO_puts(out, "\n"); | |
| 234 (void)BIO_flush(out); | |
| 235 | |
| 236 app_RAND_write_file(NULL, bio_err); | |
| 237 ret = 0; | |
| 238 | |
| 239 err: | |
| 240 ERR_print_errors(bio_err); | |
| 241 if (out) | |
| 242 BIO_free_all(out); | |
| 243 apps_shutdown(); | |
| 244 OPENSSL_EXIT(ret); | |
| 245 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master