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Commit | Line | Data |
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59b1696c | 1 | /* |
0f84cbc3 | 2 | * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved. |
59b1696c | 3 | * |
2c18d164 | 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 | |
59b1696c DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <openssl/conf.h> | |
12 | #include <openssl/ssl.h> | |
706457b7 | 13 | #include "ssl_local.h" |
d8f031e8 | 14 | #include "internal/sslconf.h" |
59b1696c DSH |
15 | |
16 | /* SSL library configuration module. */ | |
17 | ||
59b1696c DSH |
18 | void SSL_add_ssl_module(void) |
19 | { | |
d8f031e8 | 20 | /* Do nothing. This will be added automatically by libcrypto */ |
59b1696c DSH |
21 | } |
22 | ||
8a5ed9dc | 23 | static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name, int system) |
59b1696c DSH |
24 | { |
25 | SSL_CONF_CTX *cctx = NULL; | |
d8f031e8 | 26 | size_t i, idx, cmd_count; |
59b1696c DSH |
27 | int rv = 0; |
28 | unsigned int flags; | |
29 | const SSL_METHOD *meth; | |
d8f031e8 | 30 | const SSL_CONF_CMD *cmds; |
b4250010 DMSP |
31 | OSSL_LIB_CTX *prev_libctx = NULL; |
32 | OSSL_LIB_CTX *libctx = NULL; | |
8a5ed9dc | 33 | |
59b1696c | 34 | if (s == NULL && ctx == NULL) { |
6849b73c | 35 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); |
59b1696c DSH |
36 | goto err; |
37 | } | |
8a5ed9dc TM |
38 | |
39 | if (name == NULL && system) | |
40 | name = "system_default"; | |
d8f031e8 | 41 | if (!conf_ssl_name_find(name, &idx)) { |
c48ffbcc RL |
42 | if (!system) |
43 | ERR_raise_data(ERR_LIB_SSL, SSL_R_INVALID_CONFIGURATION_NAME, | |
44 | "name=%s", name); | |
59b1696c DSH |
45 | goto err; |
46 | } | |
d8f031e8 | 47 | cmds = conf_ssl_get(idx, &name, &cmd_count); |
59b1696c DSH |
48 | cctx = SSL_CONF_CTX_new(); |
49 | if (cctx == NULL) | |
50 | goto err; | |
51 | flags = SSL_CONF_FLAG_FILE; | |
8a5ed9dc TM |
52 | if (!system) |
53 | flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE; | |
59b1696c DSH |
54 | if (s != NULL) { |
55 | meth = s->method; | |
56 | SSL_CONF_CTX_set_ssl(cctx, s); | |
6725682d | 57 | libctx = s->ctx->libctx; |
59b1696c DSH |
58 | } else { |
59 | meth = ctx->method; | |
60 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); | |
6725682d | 61 | libctx = ctx->libctx; |
59b1696c DSH |
62 | } |
63 | if (meth->ssl_accept != ssl_undefined_function) | |
a230b26e | 64 | flags |= SSL_CONF_FLAG_SERVER; |
59b1696c | 65 | if (meth->ssl_connect != ssl_undefined_function) |
a230b26e | 66 | flags |= SSL_CONF_FLAG_CLIENT; |
59b1696c | 67 | SSL_CONF_CTX_set_flags(cctx, flags); |
b4250010 | 68 | prev_libctx = OSSL_LIB_CTX_set0_default(libctx); |
d8f031e8 MC |
69 | for (i = 0; i < cmd_count; i++) { |
70 | char *cmdstr, *arg; | |
71 | ||
72 | conf_ssl_get_cmd(cmds, i, &cmdstr, &arg); | |
73 | rv = SSL_CONF_cmd(cctx, cmdstr, arg); | |
59b1696c | 74 | if (rv <= 0) { |
c48ffbcc RL |
75 | int errcode = rv == -2 ? SSL_R_UNKNOWN_COMMAND : SSL_R_BAD_VALUE; |
76 | ||
77 | ERR_raise_data(ERR_LIB_SSL, errcode, | |
78 | "section=%s, cmd=%s, arg=%s", name, cmdstr, arg); | |
59b1696c DSH |
79 | goto err; |
80 | } | |
81 | } | |
82 | rv = SSL_CONF_CTX_finish(cctx); | |
a230b26e | 83 | err: |
b4250010 | 84 | OSSL_LIB_CTX_set0_default(prev_libctx); |
59b1696c DSH |
85 | SSL_CONF_CTX_free(cctx); |
86 | return rv <= 0 ? 0 : 1; | |
87 | } | |
88 | ||
89 | int SSL_config(SSL *s, const char *name) | |
90 | { | |
8a5ed9dc | 91 | return ssl_do_config(s, NULL, name, 0); |
59b1696c DSH |
92 | } |
93 | ||
94 | int SSL_CTX_config(SSL_CTX *ctx, const char *name) | |
95 | { | |
8a5ed9dc TM |
96 | return ssl_do_config(NULL, ctx, name, 0); |
97 | } | |
98 | ||
99 | void ssl_ctx_system_config(SSL_CTX *ctx) | |
100 | { | |
101 | ssl_do_config(NULL, ctx, NULL, 1); | |
59b1696c | 102 | } |