| 1 | /*
|
|---|
| 2 | * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
|
|---|
| 3 | *
|
|---|
| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
|
|---|
| 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
|
|---|
| 8 | */
|
|---|
| 9 |
|
|---|
| 10 | #include <stdio.h>
|
|---|
| 11 | #include <openssl/conf.h>
|
|---|
| 12 | #include <openssl/ssl.h>
|
|---|
| 13 | #include "ssl_local.h"
|
|---|
| 14 | #include "internal/sslconf.h"
|
|---|
| 15 |
|
|---|
| 16 | /* SSL library configuration module. */
|
|---|
| 17 |
|
|---|
| 18 | void SSL_add_ssl_module(void)
|
|---|
| 19 | {
|
|---|
| 20 | /* Do nothing. This will be added automatically by libcrypto */
|
|---|
| 21 | }
|
|---|
| 22 |
|
|---|
| 23 | static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name, int system)
|
|---|
| 24 | {
|
|---|
| 25 | SSL_CONF_CTX *cctx = NULL;
|
|---|
| 26 | size_t i, idx, cmd_count;
|
|---|
| 27 | int err = 1;
|
|---|
| 28 | unsigned int flags;
|
|---|
| 29 | const SSL_METHOD *meth;
|
|---|
| 30 | const SSL_CONF_CMD *cmds;
|
|---|
| 31 | OSSL_LIB_CTX *prev_libctx = NULL;
|
|---|
| 32 | OSSL_LIB_CTX *libctx = NULL;
|
|---|
| 33 |
|
|---|
| 34 | if (s == NULL && ctx == NULL) {
|
|---|
| 35 | ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
|
|---|
| 36 | goto err;
|
|---|
| 37 | }
|
|---|
| 38 |
|
|---|
| 39 | if (name == NULL && system)
|
|---|
| 40 | name = "system_default";
|
|---|
| 41 | if (!conf_ssl_name_find(name, &idx)) {
|
|---|
| 42 | if (!system)
|
|---|
| 43 | ERR_raise_data(ERR_LIB_SSL, SSL_R_INVALID_CONFIGURATION_NAME,
|
|---|
| 44 | "name=%s", name);
|
|---|
| 45 | goto err;
|
|---|
| 46 | }
|
|---|
| 47 | cmds = conf_ssl_get(idx, &name, &cmd_count);
|
|---|
| 48 | cctx = SSL_CONF_CTX_new();
|
|---|
| 49 | if (cctx == NULL)
|
|---|
| 50 | goto err;
|
|---|
| 51 | flags = SSL_CONF_FLAG_FILE;
|
|---|
| 52 | if (!system)
|
|---|
| 53 | flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE;
|
|---|
| 54 | if (s != NULL) {
|
|---|
| 55 | meth = s->method;
|
|---|
| 56 | SSL_CONF_CTX_set_ssl(cctx, s);
|
|---|
| 57 | libctx = s->ctx->libctx;
|
|---|
| 58 | } else {
|
|---|
| 59 | meth = ctx->method;
|
|---|
| 60 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
|
|---|
| 61 | libctx = ctx->libctx;
|
|---|
| 62 | }
|
|---|
| 63 | if (meth->ssl_accept != ssl_undefined_function)
|
|---|
| 64 | flags |= SSL_CONF_FLAG_SERVER;
|
|---|
| 65 | if (meth->ssl_connect != ssl_undefined_function)
|
|---|
| 66 | flags |= SSL_CONF_FLAG_CLIENT;
|
|---|
| 67 | SSL_CONF_CTX_set_flags(cctx, flags);
|
|---|
| 68 | prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
|
|---|
| 69 | err = 0;
|
|---|
| 70 | for (i = 0; i < cmd_count; i++) {
|
|---|
| 71 | char *cmdstr, *arg;
|
|---|
| 72 | int rv;
|
|---|
| 73 |
|
|---|
| 74 | conf_ssl_get_cmd(cmds, i, &cmdstr, &arg);
|
|---|
| 75 | rv = SSL_CONF_cmd(cctx, cmdstr, arg);
|
|---|
| 76 | if (rv <= 0)
|
|---|
| 77 | ++err;
|
|---|
| 78 | }
|
|---|
| 79 | if (!SSL_CONF_CTX_finish(cctx))
|
|---|
| 80 | ++err;
|
|---|
| 81 | err:
|
|---|
| 82 | OSSL_LIB_CTX_set0_default(prev_libctx);
|
|---|
| 83 | SSL_CONF_CTX_free(cctx);
|
|---|
| 84 | return err == 0;
|
|---|
| 85 | }
|
|---|
| 86 |
|
|---|
| 87 | int SSL_config(SSL *s, const char *name)
|
|---|
| 88 | {
|
|---|
| 89 | return ssl_do_config(s, NULL, name, 0);
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| 92 | int SSL_CTX_config(SSL_CTX *ctx, const char *name)
|
|---|
| 93 | {
|
|---|
| 94 | return ssl_do_config(NULL, ctx, name, 0);
|
|---|
| 95 | }
|
|---|
| 96 |
|
|---|
| 97 | void ssl_ctx_system_config(SSL_CTX *ctx)
|
|---|
| 98 | {
|
|---|
| 99 | ssl_do_config(NULL, ctx, NULL, 1);
|
|---|
| 100 | }
|
|---|
