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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; |
03bbd346 | 17 | static char *files_to_load; |
640588bb | 18 | |
3ee1eac2 | 19 | void app_RAND_load_conf(CONF *c, const char *section) |
0f113f3e | 20 | { |
3ee1eac2 | 21 | const char *randfile = NCONF_get_string(c, section, "RANDFILE"); |
0f113f3e | 22 | |
3ee1eac2 RS |
23 | if (randfile == NULL) { |
24 | ERR_clear_error(); | |
25 | return; | |
2234212c | 26 | } |
3ee1eac2 RS |
27 | if (RAND_load_file(randfile, -1) < 0) { |
28 | BIO_printf(bio_err, "Can't load %s into RNG\n", randfile); | |
29 | ERR_print_errors(bio_err); | |
0f113f3e | 30 | } |
3ee1eac2 | 31 | if (save_rand_file == NULL) |
54e5ba05 | 32 | save_rand_file = OPENSSL_strdup(randfile); |
0f113f3e | 33 | } |
640588bb | 34 | |
51e5df0e | 35 | int app_RAND_load(void) |
0f113f3e | 36 | { |
03bbd346 | 37 | char *p, *save; |
3ee1eac2 | 38 | int last, ret = 1; |
640588bb | 39 | |
03bbd346 | 40 | if (files_to_load == NULL) |
51e5df0e RS |
41 | return 1; |
42 | ||
03bbd346 | 43 | save = files_to_load; |
3ee1eac2 | 44 | for ( ; ; ) { |
0f113f3e | 45 | last = 0; |
03bbd346 | 46 | for (p = files_to_load; *p != '\0' && *p != LIST_SEPARATOR_CHAR; p++) |
3ee1eac2 | 47 | continue; |
0f113f3e MC |
48 | if (*p == '\0') |
49 | last = 1; | |
50 | *p = '\0'; | |
03bbd346 RS |
51 | if (RAND_load_file(files_to_load, -1) < 0) { |
52 | BIO_printf(bio_err, "Can't load %s into RNG\n", files_to_load); | |
3ee1eac2 RS |
53 | ERR_print_errors(bio_err); |
54 | ret = 0; | |
55 | } | |
0f113f3e MC |
56 | if (last) |
57 | break; | |
03bbd346 RS |
58 | files_to_load = p + 1; |
59 | if (*files_to_load == '\0') | |
3ee1eac2 | 60 | break; |
0f113f3e | 61 | } |
03bbd346 RS |
62 | files_to_load = NULL; |
63 | OPENSSL_free(save); | |
3ee1eac2 | 64 | return ret; |
0f113f3e | 65 | } |
640588bb | 66 | |
3ee1eac2 | 67 | void app_RAND_write(void) |
0f113f3e | 68 | { |
3ee1eac2 RS |
69 | if (save_rand_file == NULL) |
70 | return; | |
71 | if (RAND_write_file(save_rand_file) == -1) { | |
72 | BIO_printf(bio_err, "Cannot write random bytes:\n"); | |
73 | ERR_print_errors(bio_err); | |
f367ac2b | 74 | } |
54e5ba05 RS |
75 | OPENSSL_free(save_rand_file); |
76 | save_rand_file = NULL; | |
0f113f3e | 77 | } |
640588bb | 78 | |
3ee1eac2 RS |
79 | |
80 | /* | |
81 | * See comments in opt_verify for explanation of this. | |
82 | */ | |
83 | enum r_range { OPT_R_ENUM }; | |
84 | ||
85 | int opt_rand(int opt) | |
0f113f3e | 86 | { |
3ee1eac2 RS |
87 | switch ((enum r_range)opt) { |
88 | case OPT_R__FIRST: | |
89 | case OPT_R__LAST: | |
90 | break; | |
91 | case OPT_R_RAND: | |
03bbd346 | 92 | files_to_load = opt_arg(); |
3ee1eac2 RS |
93 | break; |
94 | case OPT_R_WRITERAND: | |
54e5ba05 RS |
95 | OPENSSL_free(save_rand_file); |
96 | save_rand_file = OPENSSL_strdup(opt_arg()); | |
3ee1eac2 RS |
97 | break; |
98 | } | |
99 | return 1; | |
0f113f3e | 100 | } |