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93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "apps.h"
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/conf.h>
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static char *save_rand_file;
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void app_RAND_load_conf(CONF *c, const char *section)
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{
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const char *randfile = NCONF_get_string(c, section, "RANDFILE");
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if (randfile == NULL) {
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ERR_clear_error();
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return;
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}
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if (RAND_load_file(randfile, -1) < 0) {
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BIO_printf(bio_err, "Can't load %s into RNG\n", randfile);
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ERR_print_errors(bio_err);
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}
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if (save_rand_file == NULL)
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save_rand_file = OPENSSL_strdup(randfile);
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}
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static int loadfiles(char *name)
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{
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char *p;
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int last, ret = 1;
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for ( ; ; ) {
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last = 0;
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for (p = name; *p != '\0' && *p != LIST_SEPARATOR_CHAR; p++)
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continue;
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if (*p == '\0')
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last = 1;
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*p = '\0';
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if (RAND_load_file(name, -1) < 0) {
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BIO_printf(bio_err, "Can't load %s into RNG\n", name);
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ERR_print_errors(bio_err);
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ret = 0;
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}
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if (last)
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break;
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name = p + 1;
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if (*name == '\0')
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break;
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}
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return ret;
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}
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void app_RAND_write(void)
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{
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if (save_rand_file == NULL)
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return;
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if (RAND_write_file(save_rand_file) == -1) {
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BIO_printf(bio_err, "Cannot write random bytes:\n");
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ERR_print_errors(bio_err);
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}
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OPENSSL_free(save_rand_file);
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save_rand_file = NULL;
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}
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/*
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* See comments in opt_verify for explanation of this.
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*/
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enum r_range { OPT_R_ENUM };
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int opt_rand(int opt)
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{
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switch ((enum r_range)opt) {
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case OPT_R__FIRST:
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case OPT_R__LAST:
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break;
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case OPT_R_RAND:
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return loadfiles(opt_arg());
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break;
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case OPT_R_WRITERAND:
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OPENSSL_free(save_rand_file);
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save_rand_file = OPENSSL_strdup(opt_arg());
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break;
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}
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return 1;
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}
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