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Commit | Line | Data |
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846e33c7 | 1 | /* |
c486283c | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
640588bb | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
640588bb BM |
8 | */ |
9 | ||
a0ad17bb | 10 | #include "apps.h" |
640588bb | 11 | #include <openssl/bio.h> |
f1b8b001 | 12 | #include <openssl/err.h> |
640588bb | 13 | #include <openssl/rand.h> |
3ee1eac2 | 14 | #include <openssl/conf.h> |
640588bb | 15 | |
54e5ba05 | 16 | static char *save_rand_file; |
640588bb | 17 | |
3ee1eac2 | 18 | void app_RAND_load_conf(CONF *c, const char *section) |
0f113f3e | 19 | { |
3ee1eac2 | 20 | const char *randfile = NCONF_get_string(c, section, "RANDFILE"); |
0f113f3e | 21 | |
3ee1eac2 RS |
22 | if (randfile == NULL) { |
23 | ERR_clear_error(); | |
24 | return; | |
2234212c | 25 | } |
3ee1eac2 RS |
26 | if (RAND_load_file(randfile, -1) < 0) { |
27 | BIO_printf(bio_err, "Can't load %s into RNG\n", randfile); | |
28 | ERR_print_errors(bio_err); | |
0f113f3e | 29 | } |
3ee1eac2 | 30 | if (save_rand_file == NULL) |
54e5ba05 | 31 | save_rand_file = OPENSSL_strdup(randfile); |
0f113f3e | 32 | } |
640588bb | 33 | |
3ee1eac2 | 34 | static int loadfiles(char *name) |
0f113f3e | 35 | { |
f1b8b001 | 36 | char *p; |
3ee1eac2 | 37 | int last, ret = 1; |
640588bb | 38 | |
3ee1eac2 | 39 | for ( ; ; ) { |
0f113f3e | 40 | last = 0; |
3ee1eac2 RS |
41 | for (p = name; *p != '\0' && *p != LIST_SEPARATOR_CHAR; p++) |
42 | continue; | |
0f113f3e MC |
43 | if (*p == '\0') |
44 | last = 1; | |
45 | *p = '\0'; | |
3ee1eac2 RS |
46 | if (RAND_load_file(name, -1) < 0) { |
47 | BIO_printf(bio_err, "Can't load %s into RNG\n", name); | |
48 | ERR_print_errors(bio_err); | |
49 | ret = 0; | |
50 | } | |
0f113f3e MC |
51 | if (last) |
52 | break; | |
3ee1eac2 RS |
53 | name = p + 1; |
54 | if (*name == '\0') | |
55 | break; | |
0f113f3e | 56 | } |
3ee1eac2 | 57 | return ret; |
0f113f3e | 58 | } |
640588bb | 59 | |
3ee1eac2 | 60 | void app_RAND_write(void) |
0f113f3e | 61 | { |
3ee1eac2 RS |
62 | if (save_rand_file == NULL) |
63 | return; | |
64 | if (RAND_write_file(save_rand_file) == -1) { | |
65 | BIO_printf(bio_err, "Cannot write random bytes:\n"); | |
66 | ERR_print_errors(bio_err); | |
f367ac2b | 67 | } |
54e5ba05 RS |
68 | OPENSSL_free(save_rand_file); |
69 | save_rand_file = NULL; | |
0f113f3e | 70 | } |
640588bb | 71 | |
3ee1eac2 RS |
72 | |
73 | /* | |
74 | * See comments in opt_verify for explanation of this. | |
75 | */ | |
76 | enum r_range { OPT_R_ENUM }; | |
77 | ||
78 | int opt_rand(int opt) | |
0f113f3e | 79 | { |
3ee1eac2 RS |
80 | switch ((enum r_range)opt) { |
81 | case OPT_R__FIRST: | |
82 | case OPT_R__LAST: | |
83 | break; | |
84 | case OPT_R_RAND: | |
85 | return loadfiles(opt_arg()); | |
86 | break; | |
87 | case OPT_R_WRITERAND: | |
54e5ba05 RS |
88 | OPENSSL_free(save_rand_file); |
89 | save_rand_file = OPENSSL_strdup(opt_arg()); | |
3ee1eac2 RS |
90 | break; |
91 | } | |
92 | return 1; | |
0f113f3e | 93 | } |