David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] |
| 56 | */ |
| 57 | /* ==================================================================== |
| 58 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
| 59 | * |
| 60 | * Redistribution and use in source and binary forms, with or without |
| 61 | * modification, are permitted provided that the following conditions |
| 62 | * are met: |
| 63 | * |
| 64 | * 1. Redistributions of source code must retain the above copyright |
| 65 | * notice, this list of conditions and the following disclaimer. |
| 66 | * |
| 67 | * 2. Redistributions in binary form must reproduce the above copyright |
| 68 | * notice, this list of conditions and the following disclaimer in |
| 69 | * the documentation and/or other materials provided with the |
| 70 | * distribution. |
| 71 | * |
| 72 | * 3. All advertising materials mentioning features or use of this |
| 73 | * software must display the following acknowledgment: |
| 74 | * "This product includes software developed by the OpenSSL Project |
| 75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 76 | * |
| 77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 78 | * endorse or promote products derived from this software without |
| 79 | * prior written permission. For written permission, please contact |
| 80 | * openssl-core@openssl.org. |
| 81 | * |
| 82 | * 5. Products derived from this software may not be called "OpenSSL" |
| 83 | * nor may "OpenSSL" appear in their names without prior written |
| 84 | * permission of the OpenSSL Project. |
| 85 | * |
| 86 | * 6. Redistributions of any form whatsoever must retain the following |
| 87 | * acknowledgment: |
| 88 | * "This product includes software developed by the OpenSSL Project |
| 89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 90 | * |
| 91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 102 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 103 | * ==================================================================== |
| 104 | * |
| 105 | * This product includes cryptographic software written by Eric Young |
| 106 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 107 | * Hudson (tjh@cryptsoft.com). |
| 108 | * |
| 109 | */ |
| 110 | /* ==================================================================== |
| 111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| 112 | * ECC cipher suite support in OpenSSL originally developed by |
| 113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| 114 | */ |
| 115 | /* ==================================================================== |
| 116 | * Copyright 2005 Nokia. All rights reserved. |
| 117 | * |
| 118 | * The portions of the attached software ("Contribution") is developed by |
| 119 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source |
| 120 | * license. |
| 121 | * |
| 122 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of |
| 123 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
| 124 | * support (see RFC 4279) to OpenSSL. |
| 125 | * |
| 126 | * No patent licenses or other rights except those expressly stated in |
| 127 | * the OpenSSL open source license shall be deemed granted or received |
| 128 | * expressly, by implication, estoppel, or otherwise. |
| 129 | * |
| 130 | * No assurances are provided by Nokia that the Contribution does not |
| 131 | * infringe the patent or other intellectual property rights of any third |
| 132 | * party or that the license provides you with all the necessary rights |
| 133 | * to make use of the Contribution. |
| 134 | * |
| 135 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
| 136 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
| 137 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
| 138 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
| 139 | * OTHERWISE. */ |
| 140 | |
| 141 | #include <openssl/ssl.h> |
| 142 | |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 143 | #include <assert.h> |
| 144 | |
| 145 | #include <openssl/asn1.h> |
| 146 | #include <openssl/bytestring.h> |
| 147 | #include <openssl/err.h> |
| 148 | #include <openssl/pem.h> |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 149 | #include <openssl/stack.h> |
| 150 | #include <openssl/x509.h> |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 151 | #include <openssl/x509v3.h> |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 152 | #include <openssl/x509_vfy.h> |
| 153 | |
| 154 | #include "internal.h" |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 155 | #include "../crypto/internal.h" |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 156 | |
| 157 | |
Robert Sloan | 726e9d1 | 2018-09-11 11:45:04 -0700 | [diff] [blame] | 158 | BSSL_NAMESPACE_BEGIN |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 159 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 160 | // check_ssl_x509_method asserts that |ssl| has the X509-based method |
| 161 | // installed. Calling an X509-based method on an |ssl| with a different method |
| 162 | // will likely misbehave and possibly crash or leak memory. |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 163 | static void check_ssl_x509_method(const SSL *ssl) { |
| 164 | assert(ssl == NULL || ssl->ctx->x509_method == &ssl_crypto_x509_method); |
| 165 | } |
| 166 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 167 | // check_ssl_ctx_x509_method acts like |check_ssl_x509_method|, but for an |
| 168 | // |SSL_CTX|. |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 169 | static void check_ssl_ctx_x509_method(const SSL_CTX *ctx) { |
| 170 | assert(ctx == NULL || ctx->x509_method == &ssl_crypto_x509_method); |
| 171 | } |
| 172 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 173 | // x509_to_buffer returns a |CRYPTO_BUFFER| that contains the serialised |
| 174 | // contents of |x509|. |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 175 | static UniquePtr<CRYPTO_BUFFER> x509_to_buffer(X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 176 | uint8_t *buf = NULL; |
| 177 | int cert_len = i2d_X509(x509, &buf); |
| 178 | if (cert_len <= 0) { |
| 179 | return 0; |
| 180 | } |
| 181 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 182 | UniquePtr<CRYPTO_BUFFER> buffer(CRYPTO_BUFFER_new(buf, cert_len, NULL)); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 183 | OPENSSL_free(buf); |
| 184 | |
| 185 | return buffer; |
| 186 | } |
| 187 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 188 | // new_leafless_chain returns a fresh stack of buffers set to {NULL}. |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 189 | static UniquePtr<STACK_OF(CRYPTO_BUFFER)> new_leafless_chain(void) { |
| 190 | UniquePtr<STACK_OF(CRYPTO_BUFFER)> chain(sk_CRYPTO_BUFFER_new_null()); |
| 191 | if (!chain || |
| 192 | !sk_CRYPTO_BUFFER_push(chain.get(), nullptr)) { |
| 193 | return nullptr; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | return chain; |
| 197 | } |
| 198 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 199 | // ssl_cert_set_chain sets elements 1.. of |cert->chain| to the serialised |
| 200 | // forms of elements of |chain|. It returns one on success or zero on error, in |
| 201 | // which case no change to |cert->chain| is made. It preverses the existing |
| 202 | // leaf from |cert->chain|, if any. |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 203 | static bool ssl_cert_set_chain(CERT *cert, STACK_OF(X509) *chain) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 204 | UniquePtr<STACK_OF(CRYPTO_BUFFER)> new_chain; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 205 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 206 | if (cert->chain != nullptr) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 207 | new_chain.reset(sk_CRYPTO_BUFFER_new_null()); |
| 208 | if (!new_chain) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 209 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 210 | } |
| 211 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 212 | // |leaf| might be NULL if it's a “leafless” chain. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 213 | CRYPTO_BUFFER *leaf = sk_CRYPTO_BUFFER_value(cert->chain.get(), 0); |
| 214 | if (!PushToStack(new_chain.get(), UpRef(leaf))) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 215 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 216 | } |
| 217 | } |
| 218 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 219 | for (X509 *x509 : chain) { |
| 220 | if (!new_chain) { |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 221 | new_chain = new_leafless_chain(); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 222 | if (!new_chain) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 223 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 224 | } |
| 225 | } |
| 226 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 227 | UniquePtr<CRYPTO_BUFFER> buffer = x509_to_buffer(x509); |
| 228 | if (!buffer || |
| 229 | !PushToStack(new_chain.get(), std::move(buffer))) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 230 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 231 | } |
| 232 | } |
| 233 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 234 | cert->chain = std::move(new_chain); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 235 | return true; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | static void ssl_crypto_x509_cert_flush_cached_leaf(CERT *cert) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 239 | X509_free(cert->x509_leaf); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 240 | cert->x509_leaf = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 241 | } |
| 242 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 243 | static void ssl_crypto_x509_cert_flush_cached_chain(CERT *cert) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 244 | sk_X509_pop_free(cert->x509_chain, X509_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 245 | cert->x509_chain = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 246 | } |
| 247 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 248 | static bool ssl_crypto_x509_check_client_CA_list( |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 249 | STACK_OF(CRYPTO_BUFFER) *names) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 250 | for (const CRYPTO_BUFFER *buffer : names) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 251 | const uint8_t *inp = CRYPTO_BUFFER_data(buffer); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 252 | UniquePtr<X509_NAME> name( |
| 253 | d2i_X509_NAME(nullptr, &inp, CRYPTO_BUFFER_len(buffer))); |
| 254 | if (name == nullptr || |
| 255 | inp != CRYPTO_BUFFER_data(buffer) + CRYPTO_BUFFER_len(buffer)) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 256 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 257 | } |
| 258 | } |
| 259 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 260 | return true; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | static void ssl_crypto_x509_cert_clear(CERT *cert) { |
| 264 | ssl_crypto_x509_cert_flush_cached_leaf(cert); |
| 265 | ssl_crypto_x509_cert_flush_cached_chain(cert); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 266 | |
| 267 | X509_free(cert->x509_stash); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 268 | cert->x509_stash = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 269 | } |
| 270 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 271 | static void ssl_crypto_x509_cert_free(CERT *cert) { |
| 272 | ssl_crypto_x509_cert_clear(cert); |
| 273 | X509_STORE_free(cert->verify_store); |
| 274 | } |
| 275 | |
| 276 | static void ssl_crypto_x509_cert_dup(CERT *new_cert, const CERT *cert) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 277 | if (cert->verify_store != nullptr) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 278 | X509_STORE_up_ref(cert->verify_store); |
| 279 | new_cert->verify_store = cert->verify_store; |
| 280 | } |
| 281 | } |
| 282 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 283 | static bool ssl_crypto_x509_session_cache_objects(SSL_SESSION *sess) { |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 284 | bssl::UniquePtr<STACK_OF(X509)> chain, chain_without_leaf; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 285 | if (sk_CRYPTO_BUFFER_num(sess->certs.get()) > 0) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 286 | chain.reset(sk_X509_new_null()); |
| 287 | if (!chain) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 288 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 289 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 290 | } |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 291 | if (sess->is_server) { |
| 292 | // chain_without_leaf is only needed for server sessions. See |
| 293 | // |SSL_get_peer_cert_chain|. |
| 294 | chain_without_leaf.reset(sk_X509_new_null()); |
| 295 | if (!chain_without_leaf) { |
| 296 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 297 | return false; |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 298 | } |
| 299 | } |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 300 | } |
| 301 | |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 302 | bssl::UniquePtr<X509> leaf; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 303 | for (CRYPTO_BUFFER *cert : sess->certs.get()) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 304 | UniquePtr<X509> x509(X509_parse_from_buffer(cert)); |
| 305 | if (!x509) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 306 | OPENSSL_PUT_ERROR(SSL, SSL_R_DECODE_ERROR); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 307 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 308 | } |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 309 | if (leaf == nullptr) { |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 310 | leaf = UpRef(x509); |
| 311 | } else if (chain_without_leaf && |
| 312 | !PushToStack(chain_without_leaf.get(), UpRef(x509))) { |
| 313 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 314 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 315 | } |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 316 | if (!PushToStack(chain.get(), std::move(x509))) { |
| 317 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 318 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 319 | } |
| 320 | } |
| 321 | |
| 322 | sk_X509_pop_free(sess->x509_chain, X509_free); |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 323 | sess->x509_chain = chain.release(); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 324 | |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 325 | sk_X509_pop_free(sess->x509_chain_without_leaf, X509_free); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 326 | sess->x509_chain_without_leaf = chain_without_leaf.release(); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 327 | |
| 328 | X509_free(sess->x509_peer); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 329 | sess->x509_peer = leaf.release(); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 330 | return true; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 331 | } |
| 332 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 333 | static bool ssl_crypto_x509_session_dup(SSL_SESSION *new_session, |
| 334 | const SSL_SESSION *session) { |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 335 | new_session->x509_peer = UpRef(session->x509_peer).release(); |
| 336 | if (session->x509_chain != nullptr) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 337 | new_session->x509_chain = X509_chain_up_ref(session->x509_chain); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 338 | if (new_session->x509_chain == nullptr) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 339 | return false; |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 340 | } |
| 341 | } |
| 342 | if (session->x509_chain_without_leaf != nullptr) { |
| 343 | new_session->x509_chain_without_leaf = |
| 344 | X509_chain_up_ref(session->x509_chain_without_leaf); |
| 345 | if (new_session->x509_chain_without_leaf == nullptr) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 346 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 347 | } |
| 348 | } |
| 349 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 350 | return true; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | static void ssl_crypto_x509_session_clear(SSL_SESSION *session) { |
| 354 | X509_free(session->x509_peer); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 355 | session->x509_peer = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 356 | sk_X509_pop_free(session->x509_chain, X509_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 357 | session->x509_chain = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 358 | sk_X509_pop_free(session->x509_chain_without_leaf, X509_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 359 | session->x509_chain_without_leaf = nullptr; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 360 | } |
| 361 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 362 | static bool ssl_crypto_x509_session_verify_cert_chain(SSL_SESSION *session, |
| 363 | SSL_HANDSHAKE *hs, |
| 364 | uint8_t *out_alert) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 365 | *out_alert = SSL_AD_INTERNAL_ERROR; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 366 | STACK_OF(X509) *const cert_chain = session->x509_chain; |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 367 | if (cert_chain == nullptr || sk_X509_num(cert_chain) == 0) { |
| 368 | return false; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 369 | } |
| 370 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 371 | SSL_CTX *ssl_ctx = hs->ssl->ctx.get(); |
| 372 | X509_STORE *verify_store = ssl_ctx->cert_store; |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 373 | if (hs->config->cert->verify_store != nullptr) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 374 | verify_store = hs->config->cert->verify_store; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 375 | } |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 376 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 377 | X509 *leaf = sk_X509_value(cert_chain, 0); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 378 | ScopedX509_STORE_CTX ctx; |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 379 | if (!X509_STORE_CTX_init(ctx.get(), verify_store, leaf, cert_chain) || |
| 380 | !X509_STORE_CTX_set_ex_data( |
| 381 | ctx.get(), SSL_get_ex_data_X509_STORE_CTX_idx(), hs->ssl) || |
| 382 | // We need to inherit the verify parameters. These can be determined by |
| 383 | // the context: if its a server it will verify SSL client certificates or |
| 384 | // vice versa. |
| 385 | !X509_STORE_CTX_set_default( |
| 386 | ctx.get(), hs->ssl->server ? "ssl_client" : "ssl_server") || |
| 387 | // Anything non-default in "param" should overwrite anything in the ctx. |
| 388 | !X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(ctx.get()), |
| 389 | hs->config->param)) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 390 | OPENSSL_PUT_ERROR(SSL, ERR_R_X509_LIB); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 391 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 392 | } |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 393 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 394 | if (hs->config->verify_callback) { |
| 395 | X509_STORE_CTX_set_verify_cb(ctx.get(), hs->config->verify_callback); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | int verify_ret; |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 399 | if (ssl_ctx->app_verify_callback != nullptr) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 400 | verify_ret = |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 401 | ssl_ctx->app_verify_callback(ctx.get(), ssl_ctx->app_verify_arg); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 402 | } else { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 403 | verify_ret = X509_verify_cert(ctx.get()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 404 | } |
| 405 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 406 | session->verify_result = ctx->error; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 407 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 408 | // If |SSL_VERIFY_NONE|, the error is non-fatal, but we keep the result. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 409 | if (verify_ret <= 0 && hs->config->verify_mode != SSL_VERIFY_NONE) { |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 410 | *out_alert = SSL_alert_from_verify_result(ctx->error); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 411 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | ERR_clear_error(); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 415 | return true; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 416 | } |
| 417 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 418 | static void ssl_crypto_x509_hs_flush_cached_ca_names(SSL_HANDSHAKE *hs) { |
| 419 | sk_X509_NAME_pop_free(hs->cached_x509_ca_names, X509_NAME_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 420 | hs->cached_x509_ca_names = nullptr; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 421 | } |
| 422 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 423 | static bool ssl_crypto_x509_ssl_new(SSL_HANDSHAKE *hs) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 424 | hs->config->param = X509_VERIFY_PARAM_new(); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 425 | if (hs->config->param == nullptr) { |
| 426 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 427 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 428 | X509_VERIFY_PARAM_inherit(hs->config->param, hs->ssl->ctx->param); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 429 | return true; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 430 | } |
| 431 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 432 | static void ssl_crypto_x509_ssl_flush_cached_client_CA(SSL_CONFIG *cfg) { |
| 433 | sk_X509_NAME_pop_free(cfg->cached_x509_client_CA, X509_NAME_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 434 | cfg->cached_x509_client_CA = nullptr; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 435 | } |
| 436 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 437 | static void ssl_crypto_x509_ssl_config_free(SSL_CONFIG *cfg) { |
| 438 | sk_X509_NAME_pop_free(cfg->cached_x509_client_CA, X509_NAME_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 439 | cfg->cached_x509_client_CA = nullptr; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 440 | X509_VERIFY_PARAM_free(cfg->param); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 441 | } |
| 442 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 443 | static bool ssl_crypto_x509_ssl_auto_chain_if_needed(SSL_HANDSHAKE *hs) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 444 | // Only build a chain if there are no intermediates configured and the feature |
| 445 | // isn't disabled. |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 446 | if ((hs->ssl->mode & SSL_MODE_NO_AUTO_CHAIN) || |
Robert Sloan | 4c22c5f | 2019-03-01 15:53:37 -0800 | [diff] [blame] | 447 | !ssl_has_certificate(hs) || hs->config->cert->chain == NULL || |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 448 | sk_CRYPTO_BUFFER_num(hs->config->cert->chain.get()) > 1) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 449 | return true; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 450 | } |
| 451 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 452 | UniquePtr<X509> leaf(X509_parse_from_buffer( |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 453 | sk_CRYPTO_BUFFER_value(hs->config->cert->chain.get(), 0))); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 454 | if (!leaf) { |
| 455 | OPENSSL_PUT_ERROR(SSL, ERR_R_X509_LIB); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 456 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 457 | } |
| 458 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 459 | ScopedX509_STORE_CTX ctx; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 460 | if (!X509_STORE_CTX_init(ctx.get(), hs->ssl->ctx->cert_store, leaf.get(), |
| 461 | NULL)) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 462 | OPENSSL_PUT_ERROR(SSL, ERR_R_X509_LIB); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 463 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 464 | } |
| 465 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 466 | // Attempt to build a chain, ignoring the result. |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 467 | X509_verify_cert(ctx.get()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 468 | ERR_clear_error(); |
| 469 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 470 | // Remove the leaf from the generated chain. |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 471 | X509_free(sk_X509_shift(ctx->chain)); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 472 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 473 | if (!ssl_cert_set_chain(hs->config->cert.get(), ctx->chain)) { |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 474 | return false; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 475 | } |
| 476 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 477 | ssl_crypto_x509_cert_flush_cached_chain(hs->config->cert.get()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 478 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 479 | return true; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | static void ssl_crypto_x509_ssl_ctx_flush_cached_client_CA(SSL_CTX *ctx) { |
| 483 | sk_X509_NAME_pop_free(ctx->cached_x509_client_CA, X509_NAME_free); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 484 | ctx->cached_x509_client_CA = nullptr; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 485 | } |
| 486 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 487 | static bool ssl_crypto_x509_ssl_ctx_new(SSL_CTX *ctx) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 488 | ctx->cert_store = X509_STORE_new(); |
| 489 | ctx->param = X509_VERIFY_PARAM_new(); |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 490 | return (ctx->cert_store != nullptr && ctx->param != nullptr); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | static void ssl_crypto_x509_ssl_ctx_free(SSL_CTX *ctx) { |
| 494 | ssl_crypto_x509_ssl_ctx_flush_cached_client_CA(ctx); |
| 495 | X509_VERIFY_PARAM_free(ctx->param); |
| 496 | X509_STORE_free(ctx->cert_store); |
| 497 | } |
| 498 | |
| 499 | const SSL_X509_METHOD ssl_crypto_x509_method = { |
| 500 | ssl_crypto_x509_check_client_CA_list, |
| 501 | ssl_crypto_x509_cert_clear, |
| 502 | ssl_crypto_x509_cert_free, |
| 503 | ssl_crypto_x509_cert_dup, |
| 504 | ssl_crypto_x509_cert_flush_cached_chain, |
| 505 | ssl_crypto_x509_cert_flush_cached_leaf, |
| 506 | ssl_crypto_x509_session_cache_objects, |
| 507 | ssl_crypto_x509_session_dup, |
| 508 | ssl_crypto_x509_session_clear, |
| 509 | ssl_crypto_x509_session_verify_cert_chain, |
| 510 | ssl_crypto_x509_hs_flush_cached_ca_names, |
| 511 | ssl_crypto_x509_ssl_new, |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 512 | ssl_crypto_x509_ssl_config_free, |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 513 | ssl_crypto_x509_ssl_flush_cached_client_CA, |
| 514 | ssl_crypto_x509_ssl_auto_chain_if_needed, |
| 515 | ssl_crypto_x509_ssl_ctx_new, |
| 516 | ssl_crypto_x509_ssl_ctx_free, |
| 517 | ssl_crypto_x509_ssl_ctx_flush_cached_client_CA, |
| 518 | }; |
| 519 | |
Robert Sloan | 726e9d1 | 2018-09-11 11:45:04 -0700 | [diff] [blame] | 520 | BSSL_NAMESPACE_END |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 521 | |
| 522 | using namespace bssl; |
| 523 | |
| 524 | X509 *SSL_get_peer_certificate(const SSL *ssl) { |
| 525 | check_ssl_x509_method(ssl); |
| 526 | if (ssl == NULL) { |
| 527 | return NULL; |
| 528 | } |
| 529 | SSL_SESSION *session = SSL_get_session(ssl); |
| 530 | if (session == NULL || session->x509_peer == NULL) { |
| 531 | return NULL; |
| 532 | } |
| 533 | X509_up_ref(session->x509_peer); |
| 534 | return session->x509_peer; |
| 535 | } |
| 536 | |
| 537 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *ssl) { |
| 538 | check_ssl_x509_method(ssl); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 539 | if (ssl == nullptr) { |
| 540 | return nullptr; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 541 | } |
| 542 | SSL_SESSION *session = SSL_get_session(ssl); |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 543 | if (session == nullptr) { |
| 544 | return nullptr; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 545 | } |
| 546 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 547 | // OpenSSL historically didn't include the leaf certificate in the returned |
| 548 | // certificate chain, but only for servers. |
Robert Sloan | 11c28bd | 2018-12-17 12:09:20 -0800 | [diff] [blame] | 549 | return ssl->server ? session->x509_chain_without_leaf : session->x509_chain; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | STACK_OF(X509) *SSL_get_peer_full_cert_chain(const SSL *ssl) { |
| 553 | check_ssl_x509_method(ssl); |
| 554 | SSL_SESSION *session = SSL_get_session(ssl); |
| 555 | if (session == NULL) { |
| 556 | return NULL; |
| 557 | } |
| 558 | |
| 559 | return session->x509_chain; |
| 560 | } |
| 561 | |
| 562 | int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose) { |
| 563 | check_ssl_ctx_x509_method(ctx); |
| 564 | return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); |
| 565 | } |
| 566 | |
| 567 | int SSL_set_purpose(SSL *ssl, int purpose) { |
| 568 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 569 | if (!ssl->config) { |
| 570 | return 0; |
| 571 | } |
| 572 | return X509_VERIFY_PARAM_set_purpose(ssl->config->param, purpose); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | int SSL_CTX_set_trust(SSL_CTX *ctx, int trust) { |
| 576 | check_ssl_ctx_x509_method(ctx); |
| 577 | return X509_VERIFY_PARAM_set_trust(ctx->param, trust); |
| 578 | } |
| 579 | |
| 580 | int SSL_set_trust(SSL *ssl, int trust) { |
| 581 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 582 | if (!ssl->config) { |
| 583 | return 0; |
| 584 | } |
| 585 | return X509_VERIFY_PARAM_set_trust(ssl->config->param, trust); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | int SSL_CTX_set1_param(SSL_CTX *ctx, const X509_VERIFY_PARAM *param) { |
| 589 | check_ssl_ctx_x509_method(ctx); |
| 590 | return X509_VERIFY_PARAM_set1(ctx->param, param); |
| 591 | } |
| 592 | |
| 593 | int SSL_set1_param(SSL *ssl, const X509_VERIFY_PARAM *param) { |
| 594 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 595 | if (!ssl->config) { |
| 596 | return 0; |
| 597 | } |
| 598 | return X509_VERIFY_PARAM_set1(ssl->config->param, param); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 599 | } |
| 600 | |
| 601 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) { |
| 602 | check_ssl_ctx_x509_method(ctx); |
| 603 | return ctx->param; |
| 604 | } |
| 605 | |
| 606 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) { |
| 607 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 608 | if (!ssl->config) { |
| 609 | assert(ssl->config); |
| 610 | return 0; |
| 611 | } |
| 612 | return ssl->config->param; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | int SSL_get_verify_depth(const SSL *ssl) { |
| 616 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 617 | if (!ssl->config) { |
| 618 | assert(ssl->config); |
| 619 | return 0; |
| 620 | } |
| 621 | return X509_VERIFY_PARAM_get_depth(ssl->config->param); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | int (*SSL_get_verify_callback(const SSL *ssl))(int, X509_STORE_CTX *) { |
| 625 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 626 | if (!ssl->config) { |
| 627 | assert(ssl->config); |
| 628 | return 0; |
| 629 | } |
| 630 | return ssl->config->verify_callback; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) { |
| 634 | check_ssl_ctx_x509_method(ctx); |
| 635 | return ctx->verify_mode; |
| 636 | } |
| 637 | |
| 638 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) { |
| 639 | check_ssl_ctx_x509_method(ctx); |
| 640 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
| 641 | } |
| 642 | |
| 643 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))( |
| 644 | int ok, X509_STORE_CTX *store_ctx) { |
| 645 | check_ssl_ctx_x509_method(ctx); |
| 646 | return ctx->default_verify_callback; |
| 647 | } |
| 648 | |
| 649 | void SSL_set_verify(SSL *ssl, int mode, |
| 650 | int (*callback)(int ok, X509_STORE_CTX *store_ctx)) { |
| 651 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 652 | if (!ssl->config) { |
| 653 | return; |
| 654 | } |
| 655 | ssl->config->verify_mode = mode; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 656 | if (callback != NULL) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 657 | ssl->config->verify_callback = callback; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 658 | } |
| 659 | } |
| 660 | |
| 661 | void SSL_set_verify_depth(SSL *ssl, int depth) { |
| 662 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 663 | if (!ssl->config) { |
| 664 | return; |
| 665 | } |
| 666 | X509_VERIFY_PARAM_set_depth(ssl->config->param, depth); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
| 670 | int (*cb)(X509_STORE_CTX *store_ctx, |
| 671 | void *arg), |
| 672 | void *arg) { |
| 673 | check_ssl_ctx_x509_method(ctx); |
| 674 | ctx->app_verify_callback = cb; |
| 675 | ctx->app_verify_arg = arg; |
| 676 | } |
| 677 | |
| 678 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, |
| 679 | int (*cb)(int, X509_STORE_CTX *)) { |
| 680 | check_ssl_ctx_x509_method(ctx); |
| 681 | ctx->verify_mode = mode; |
| 682 | ctx->default_verify_callback = cb; |
| 683 | } |
| 684 | |
| 685 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) { |
| 686 | check_ssl_ctx_x509_method(ctx); |
| 687 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
| 688 | } |
| 689 | |
| 690 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) { |
| 691 | check_ssl_ctx_x509_method(ctx); |
| 692 | return X509_STORE_set_default_paths(ctx->cert_store); |
| 693 | } |
| 694 | |
| 695 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *ca_file, |
| 696 | const char *ca_dir) { |
| 697 | check_ssl_ctx_x509_method(ctx); |
| 698 | return X509_STORE_load_locations(ctx->cert_store, ca_file, ca_dir); |
| 699 | } |
| 700 | |
| 701 | void SSL_set_verify_result(SSL *ssl, long result) { |
| 702 | check_ssl_x509_method(ssl); |
| 703 | if (result != X509_V_OK) { |
| 704 | abort(); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | long SSL_get_verify_result(const SSL *ssl) { |
| 709 | check_ssl_x509_method(ssl); |
| 710 | SSL_SESSION *session = SSL_get_session(ssl); |
| 711 | if (session == NULL) { |
| 712 | return X509_V_ERR_INVALID_CALL; |
| 713 | } |
| 714 | return session->verify_result; |
| 715 | } |
| 716 | |
| 717 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) { |
| 718 | check_ssl_ctx_x509_method(ctx); |
| 719 | return ctx->cert_store; |
| 720 | } |
| 721 | |
| 722 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) { |
| 723 | check_ssl_ctx_x509_method(ctx); |
| 724 | X509_STORE_free(ctx->cert_store); |
| 725 | ctx->cert_store = store; |
| 726 | } |
| 727 | |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 728 | static int ssl_use_certificate(CERT *cert, X509 *x) { |
| 729 | if (x == NULL) { |
| 730 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 731 | return 0; |
| 732 | } |
| 733 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 734 | UniquePtr<CRYPTO_BUFFER> buffer = x509_to_buffer(x); |
| 735 | if (!buffer) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 736 | return 0; |
| 737 | } |
| 738 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 739 | return ssl_set_cert(cert, std::move(buffer)); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | int SSL_use_certificate(SSL *ssl, X509 *x) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 743 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 744 | if (!ssl->config) { |
| 745 | return 0; |
| 746 | } |
| 747 | return ssl_use_certificate(ssl->config->cert.get(), x); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 751 | check_ssl_ctx_x509_method(ctx); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 752 | return ssl_use_certificate(ctx->cert.get(), x); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 753 | } |
| 754 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 755 | // ssl_cert_cache_leaf_cert sets |cert->x509_leaf|, if currently NULL, from the |
| 756 | // first element of |cert->chain|. |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 757 | static int ssl_cert_cache_leaf_cert(CERT *cert) { |
| 758 | assert(cert->x509_method); |
| 759 | |
| 760 | if (cert->x509_leaf != NULL || |
| 761 | cert->chain == NULL) { |
| 762 | return 1; |
| 763 | } |
| 764 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 765 | CRYPTO_BUFFER *leaf = sk_CRYPTO_BUFFER_value(cert->chain.get(), 0); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 766 | if (!leaf) { |
| 767 | return 1; |
| 768 | } |
| 769 | |
| 770 | cert->x509_leaf = X509_parse_from_buffer(leaf); |
| 771 | return cert->x509_leaf != NULL; |
| 772 | } |
| 773 | |
| 774 | static X509 *ssl_cert_get0_leaf(CERT *cert) { |
| 775 | if (cert->x509_leaf == NULL && |
| 776 | !ssl_cert_cache_leaf_cert(cert)) { |
| 777 | return NULL; |
| 778 | } |
| 779 | |
| 780 | return cert->x509_leaf; |
| 781 | } |
| 782 | |
| 783 | X509 *SSL_get_certificate(const SSL *ssl) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 784 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 785 | if (!ssl->config) { |
| 786 | assert(ssl->config); |
| 787 | return 0; |
| 788 | } |
| 789 | return ssl_cert_get0_leaf(ssl->config->cert.get()); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 793 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 794 | MutexWriteLock lock(const_cast<CRYPTO_MUTEX*>(&ctx->lock)); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 795 | return ssl_cert_get0_leaf(ctx->cert.get()); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 796 | } |
| 797 | |
| 798 | static int ssl_cert_set0_chain(CERT *cert, STACK_OF(X509) *chain) { |
| 799 | if (!ssl_cert_set_chain(cert, chain)) { |
| 800 | return 0; |
| 801 | } |
| 802 | |
| 803 | sk_X509_pop_free(chain, X509_free); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 804 | ssl_crypto_x509_cert_flush_cached_chain(cert); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 805 | return 1; |
| 806 | } |
| 807 | |
| 808 | static int ssl_cert_set1_chain(CERT *cert, STACK_OF(X509) *chain) { |
| 809 | if (!ssl_cert_set_chain(cert, chain)) { |
| 810 | return 0; |
| 811 | } |
| 812 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 813 | ssl_crypto_x509_cert_flush_cached_chain(cert); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 814 | return 1; |
| 815 | } |
| 816 | |
| 817 | static int ssl_cert_append_cert(CERT *cert, X509 *x509) { |
| 818 | assert(cert->x509_method); |
| 819 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 820 | UniquePtr<CRYPTO_BUFFER> buffer = x509_to_buffer(x509); |
| 821 | if (!buffer) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 822 | return 0; |
| 823 | } |
| 824 | |
| 825 | if (cert->chain != NULL) { |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 826 | return PushToStack(cert->chain.get(), std::move(buffer)); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | cert->chain = new_leafless_chain(); |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 830 | if (!cert->chain || |
| 831 | !PushToStack(cert->chain.get(), std::move(buffer))) { |
| 832 | cert->chain.reset(); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 833 | return 0; |
| 834 | } |
| 835 | |
| 836 | return 1; |
| 837 | } |
| 838 | |
| 839 | static int ssl_cert_add0_chain_cert(CERT *cert, X509 *x509) { |
| 840 | if (!ssl_cert_append_cert(cert, x509)) { |
| 841 | return 0; |
| 842 | } |
| 843 | |
| 844 | X509_free(cert->x509_stash); |
| 845 | cert->x509_stash = x509; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 846 | ssl_crypto_x509_cert_flush_cached_chain(cert); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 847 | return 1; |
| 848 | } |
| 849 | |
| 850 | static int ssl_cert_add1_chain_cert(CERT *cert, X509 *x509) { |
| 851 | if (!ssl_cert_append_cert(cert, x509)) { |
| 852 | return 0; |
| 853 | } |
| 854 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 855 | ssl_crypto_x509_cert_flush_cached_chain(cert); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 856 | return 1; |
| 857 | } |
| 858 | |
| 859 | int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 860 | check_ssl_ctx_x509_method(ctx); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 861 | return ssl_cert_set0_chain(ctx->cert.get(), chain); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 862 | } |
| 863 | |
| 864 | int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 865 | check_ssl_ctx_x509_method(ctx); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 866 | return ssl_cert_set1_chain(ctx->cert.get(), chain); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 867 | } |
| 868 | |
| 869 | int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 870 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 871 | if (!ssl->config) { |
| 872 | return 0; |
| 873 | } |
| 874 | return ssl_cert_set0_chain(ssl->config->cert.get(), chain); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 878 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 879 | if (!ssl->config) { |
| 880 | return 0; |
| 881 | } |
| 882 | return ssl_cert_set1_chain(ssl->config->cert.get(), chain); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 883 | } |
| 884 | |
| 885 | int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 886 | check_ssl_ctx_x509_method(ctx); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 887 | return ssl_cert_add0_chain_cert(ctx->cert.get(), x509); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 891 | check_ssl_ctx_x509_method(ctx); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 892 | return ssl_cert_add1_chain_cert(ctx->cert.get(), x509); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 893 | } |
| 894 | |
| 895 | int SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 896 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 897 | return SSL_CTX_add0_chain_cert(ctx, x509); |
| 898 | } |
| 899 | |
| 900 | int SSL_add0_chain_cert(SSL *ssl, X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 901 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 902 | if (!ssl->config) { |
| 903 | return 0; |
| 904 | } |
| 905 | return ssl_cert_add0_chain_cert(ssl->config->cert.get(), x509); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 906 | } |
| 907 | |
| 908 | int SSL_add1_chain_cert(SSL *ssl, X509 *x509) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 909 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 910 | if (!ssl->config) { |
| 911 | return 0; |
| 912 | } |
| 913 | return ssl_cert_add1_chain_cert(ssl->config->cert.get(), x509); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 914 | } |
| 915 | |
| 916 | int SSL_CTX_clear_chain_certs(SSL_CTX *ctx) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 917 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 918 | return SSL_CTX_set0_chain(ctx, NULL); |
| 919 | } |
| 920 | |
| 921 | int SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 922 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 923 | return SSL_CTX_clear_chain_certs(ctx); |
| 924 | } |
| 925 | |
| 926 | int SSL_clear_chain_certs(SSL *ssl) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 927 | check_ssl_x509_method(ssl); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 928 | return SSL_set0_chain(ssl, NULL); |
| 929 | } |
| 930 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 931 | // ssl_cert_cache_chain_certs fills in |cert->x509_chain| from elements 1.. of |
| 932 | // |cert->chain|. |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 933 | static int ssl_cert_cache_chain_certs(CERT *cert) { |
| 934 | assert(cert->x509_method); |
| 935 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 936 | if (cert->x509_chain != nullptr || |
| 937 | cert->chain == nullptr || |
| 938 | sk_CRYPTO_BUFFER_num(cert->chain.get()) < 2) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 939 | return 1; |
| 940 | } |
| 941 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 942 | UniquePtr<STACK_OF(X509)> chain(sk_X509_new_null()); |
| 943 | if (!chain) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 944 | return 0; |
| 945 | } |
| 946 | |
Robert Sloan | 5cbb5c8 | 2018-04-24 11:35:46 -0700 | [diff] [blame] | 947 | for (size_t i = 1; i < sk_CRYPTO_BUFFER_num(cert->chain.get()); i++) { |
| 948 | CRYPTO_BUFFER *buffer = sk_CRYPTO_BUFFER_value(cert->chain.get(), i); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 949 | UniquePtr<X509> x509(X509_parse_from_buffer(buffer)); |
| 950 | if (!x509 || |
| 951 | !PushToStack(chain.get(), std::move(x509))) { |
| 952 | return 0; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 953 | } |
| 954 | } |
| 955 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 956 | cert->x509_chain = chain.release(); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 957 | return 1; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 958 | } |
| 959 | |
| 960 | int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 961 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 962 | MutexWriteLock lock(const_cast<CRYPTO_MUTEX*>(&ctx->lock)); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 963 | if (!ssl_cert_cache_chain_certs(ctx->cert.get())) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 964 | *out_chain = NULL; |
| 965 | return 0; |
| 966 | } |
| 967 | |
| 968 | *out_chain = ctx->cert->x509_chain; |
| 969 | return 1; |
| 970 | } |
| 971 | |
| 972 | int SSL_CTX_get_extra_chain_certs(const SSL_CTX *ctx, |
| 973 | STACK_OF(X509) **out_chain) { |
| 974 | return SSL_CTX_get0_chain_certs(ctx, out_chain); |
| 975 | } |
| 976 | |
| 977 | int SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 978 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 979 | if (!ssl->config) { |
| 980 | assert(ssl->config); |
| 981 | return 0; |
| 982 | } |
| 983 | if (!ssl_cert_cache_chain_certs(ssl->config->cert.get())) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 984 | *out_chain = NULL; |
| 985 | return 0; |
| 986 | } |
| 987 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 988 | *out_chain = ssl->config->cert->x509_chain; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 989 | return 1; |
| 990 | } |
| 991 | |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 992 | SSL_SESSION *d2i_SSL_SESSION_bio(BIO *bio, SSL_SESSION **out) { |
Robert Sloan | f068def | 2018-10-10 18:45:40 -0700 | [diff] [blame] | 993 | uint8_t *data; |
| 994 | size_t len; |
| 995 | if (!BIO_read_asn1(bio, &data, &len, 1024 * 1024)) { |
| 996 | return 0; |
| 997 | } |
| 998 | bssl::UniquePtr<uint8_t> free_data(data); |
| 999 | const uint8_t *ptr = data; |
| 1000 | return d2i_SSL_SESSION(out, &ptr, static_cast<long>(len)); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 1001 | } |
| 1002 | |
| 1003 | int i2d_SSL_SESSION_bio(BIO *bio, const SSL_SESSION *session) { |
Robert Sloan | f068def | 2018-10-10 18:45:40 -0700 | [diff] [blame] | 1004 | uint8_t *data; |
| 1005 | size_t len; |
| 1006 | if (!SSL_SESSION_to_bytes(session, &data, &len)) { |
| 1007 | return 0; |
| 1008 | } |
| 1009 | bssl::UniquePtr<uint8_t> free_data(data); |
| 1010 | return BIO_write_all(bio, data, len); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | IMPLEMENT_PEM_rw(SSL_SESSION, SSL_SESSION, PEM_STRING_SSL_SESSION, SSL_SESSION) |
| 1014 | |
| 1015 | SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const uint8_t **pp, long length) { |
| 1016 | if (length < 0) { |
| 1017 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 1018 | return NULL; |
| 1019 | } |
| 1020 | |
| 1021 | CBS cbs; |
| 1022 | CBS_init(&cbs, *pp, length); |
| 1023 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1024 | UniquePtr<SSL_SESSION> ret = SSL_SESSION_parse(&cbs, &ssl_crypto_x509_method, |
| 1025 | NULL /* no buffer pool */); |
| 1026 | if (!ret) { |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 1027 | return NULL; |
| 1028 | } |
| 1029 | |
| 1030 | if (a) { |
| 1031 | SSL_SESSION_free(*a); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1032 | *a = ret.get(); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 1033 | } |
| 1034 | *pp = CBS_data(&cbs); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1035 | return ret.release(); |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 1036 | } |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1037 | |
| 1038 | STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *list) { |
| 1039 | return sk_X509_NAME_deep_copy(list, X509_NAME_dup, X509_NAME_free); |
| 1040 | } |
| 1041 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1042 | static void set_client_CA_list(UniquePtr<STACK_OF(CRYPTO_BUFFER)> *ca_list, |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1043 | const STACK_OF(X509_NAME) *name_list, |
| 1044 | CRYPTO_BUFFER_POOL *pool) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1045 | UniquePtr<STACK_OF(CRYPTO_BUFFER)> buffers(sk_CRYPTO_BUFFER_new_null()); |
| 1046 | if (!buffers) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1047 | return; |
| 1048 | } |
| 1049 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1050 | for (X509_NAME *name : name_list) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1051 | uint8_t *outp = NULL; |
| 1052 | int len = i2d_X509_NAME(name, &outp); |
| 1053 | if (len < 0) { |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1054 | return; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1055 | } |
| 1056 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1057 | UniquePtr<CRYPTO_BUFFER> buffer(CRYPTO_BUFFER_new(outp, len, pool)); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1058 | OPENSSL_free(outp); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1059 | if (!buffer || |
| 1060 | !PushToStack(buffers.get(), std::move(buffer))) { |
| 1061 | return; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1062 | } |
| 1063 | } |
| 1064 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1065 | *ca_list = std::move(buffers); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1066 | } |
| 1067 | |
| 1068 | void SSL_set_client_CA_list(SSL *ssl, STACK_OF(X509_NAME) *name_list) { |
| 1069 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1070 | if (!ssl->config) { |
| 1071 | return; |
| 1072 | } |
| 1073 | ssl->ctx->x509_method->ssl_flush_cached_client_CA(ssl->config.get()); |
| 1074 | set_client_CA_list(&ssl->config->client_CA, name_list, ssl->ctx->pool); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1075 | sk_X509_NAME_pop_free(name_list, X509_NAME_free); |
| 1076 | } |
| 1077 | |
| 1078 | void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list) { |
| 1079 | check_ssl_ctx_x509_method(ctx); |
| 1080 | ctx->x509_method->ssl_ctx_flush_cached_client_CA(ctx); |
| 1081 | set_client_CA_list(&ctx->client_CA, name_list, ctx->pool); |
| 1082 | sk_X509_NAME_pop_free(name_list, X509_NAME_free); |
| 1083 | } |
| 1084 | |
| 1085 | static STACK_OF(X509_NAME) * |
| 1086 | buffer_names_to_x509(const STACK_OF(CRYPTO_BUFFER) *names, |
| 1087 | STACK_OF(X509_NAME) **cached) { |
| 1088 | if (names == NULL) { |
| 1089 | return NULL; |
| 1090 | } |
| 1091 | |
| 1092 | if (*cached != NULL) { |
| 1093 | return *cached; |
| 1094 | } |
| 1095 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1096 | UniquePtr<STACK_OF(X509_NAME)> new_cache(sk_X509_NAME_new_null()); |
| 1097 | if (!new_cache) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1098 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 1099 | return NULL; |
| 1100 | } |
| 1101 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1102 | for (const CRYPTO_BUFFER *buffer : names) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1103 | const uint8_t *inp = CRYPTO_BUFFER_data(buffer); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1104 | UniquePtr<X509_NAME> name( |
| 1105 | d2i_X509_NAME(nullptr, &inp, CRYPTO_BUFFER_len(buffer))); |
| 1106 | if (!name || |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1107 | inp != CRYPTO_BUFFER_data(buffer) + CRYPTO_BUFFER_len(buffer) || |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1108 | !PushToStack(new_cache.get(), std::move(name))) { |
| 1109 | return NULL; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1110 | } |
| 1111 | } |
| 1112 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1113 | *cached = new_cache.release(); |
| 1114 | return *cached; |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *ssl) { |
| 1118 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1119 | if (!ssl->config) { |
| 1120 | assert(ssl->config); |
| 1121 | return NULL; |
| 1122 | } |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1123 | // For historical reasons, this function is used both to query configuration |
| 1124 | // state on a server as well as handshake state on a client. However, whether |
| 1125 | // |ssl| is a client or server is not known until explicitly configured with |
| 1126 | // |SSL_set_connect_state|. If |do_handshake| is NULL, |ssl| is in an |
| 1127 | // indeterminate mode and |ssl->server| is unset. |
| 1128 | if (ssl->do_handshake != NULL && !ssl->server) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1129 | if (ssl->s3->hs != NULL) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1130 | return buffer_names_to_x509(ssl->s3->hs->ca_names.get(), |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1131 | &ssl->s3->hs->cached_x509_ca_names); |
| 1132 | } |
| 1133 | |
| 1134 | return NULL; |
| 1135 | } |
| 1136 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1137 | if (ssl->config->client_CA != NULL) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1138 | return buffer_names_to_x509( |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1139 | ssl->config->client_CA.get(), |
| 1140 | (STACK_OF(X509_NAME) **)&ssl->config->cached_x509_client_CA); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1141 | } |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1142 | return SSL_CTX_get_client_CA_list(ssl->ctx.get()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1143 | } |
| 1144 | |
| 1145 | STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) { |
| 1146 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1147 | // This is a logically const operation that may be called on multiple threads, |
| 1148 | // so it needs to lock around updating |cached_x509_client_CA|. |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 1149 | MutexWriteLock lock(const_cast<CRYPTO_MUTEX *>(&ctx->lock)); |
| 1150 | return buffer_names_to_x509( |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1151 | ctx->client_CA.get(), |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 1152 | const_cast<STACK_OF(X509_NAME) **>(&ctx->cached_x509_client_CA)); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1153 | } |
| 1154 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1155 | static int add_client_CA(UniquePtr<STACK_OF(CRYPTO_BUFFER)> *names, X509 *x509, |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1156 | CRYPTO_BUFFER_POOL *pool) { |
| 1157 | if (x509 == NULL) { |
| 1158 | return 0; |
| 1159 | } |
| 1160 | |
| 1161 | uint8_t *outp = NULL; |
| 1162 | int len = i2d_X509_NAME(X509_get_subject_name(x509), &outp); |
| 1163 | if (len < 0) { |
| 1164 | return 0; |
| 1165 | } |
| 1166 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1167 | UniquePtr<CRYPTO_BUFFER> buffer(CRYPTO_BUFFER_new(outp, len, pool)); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1168 | OPENSSL_free(outp); |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1169 | if (!buffer) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1170 | return 0; |
| 1171 | } |
| 1172 | |
| 1173 | int alloced = 0; |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1174 | if (*names == nullptr) { |
| 1175 | names->reset(sk_CRYPTO_BUFFER_new_null()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1176 | alloced = 1; |
| 1177 | |
| 1178 | if (*names == NULL) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1179 | return 0; |
| 1180 | } |
| 1181 | } |
| 1182 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1183 | if (!PushToStack(names->get(), std::move(buffer))) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1184 | if (alloced) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1185 | names->reset(); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1186 | } |
| 1187 | return 0; |
| 1188 | } |
| 1189 | |
| 1190 | return 1; |
| 1191 | } |
| 1192 | |
| 1193 | int SSL_add_client_CA(SSL *ssl, X509 *x509) { |
| 1194 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1195 | if (!ssl->config) { |
| 1196 | return 0; |
| 1197 | } |
| 1198 | if (!add_client_CA(&ssl->config->client_CA, x509, ssl->ctx->pool)) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1199 | return 0; |
| 1200 | } |
| 1201 | |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1202 | ssl_crypto_x509_ssl_flush_cached_client_CA(ssl->config.get()); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1203 | return 1; |
| 1204 | } |
| 1205 | |
| 1206 | int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x509) { |
| 1207 | check_ssl_ctx_x509_method(ctx); |
| 1208 | if (!add_client_CA(&ctx->client_CA, x509, ctx->pool)) { |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | ssl_crypto_x509_ssl_ctx_flush_cached_client_CA(ctx); |
| 1213 | return 1; |
| 1214 | } |
| 1215 | |
| 1216 | static int do_client_cert_cb(SSL *ssl, void *arg) { |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1217 | // Should only be called during handshake, but check to be sure. |
| 1218 | if (!ssl->config) { |
| 1219 | assert(ssl->config); |
| 1220 | return -1; |
| 1221 | } |
Robert Sloan | 4c22c5f | 2019-03-01 15:53:37 -0800 | [diff] [blame] | 1222 | |
| 1223 | if (ssl_has_certificate(ssl->s3->hs.get()) || |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1224 | ssl->ctx->client_cert_cb == NULL) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1225 | return 1; |
| 1226 | } |
| 1227 | |
| 1228 | X509 *x509 = NULL; |
| 1229 | EVP_PKEY *pkey = NULL; |
| 1230 | int ret = ssl->ctx->client_cert_cb(ssl, &x509, &pkey); |
| 1231 | if (ret < 0) { |
| 1232 | return -1; |
| 1233 | } |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 1234 | UniquePtr<X509> free_x509(x509); |
| 1235 | UniquePtr<EVP_PKEY> free_pkey(pkey); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1236 | |
| 1237 | if (ret != 0) { |
| 1238 | if (!SSL_use_certificate(ssl, x509) || |
| 1239 | !SSL_use_PrivateKey(ssl, pkey)) { |
| 1240 | return 0; |
| 1241 | } |
| 1242 | } |
| 1243 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1244 | return 1; |
| 1245 | } |
| 1246 | |
| 1247 | void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*cb)(SSL *ssl, |
| 1248 | X509 **out_x509, |
| 1249 | EVP_PKEY **out_pkey)) { |
| 1250 | check_ssl_ctx_x509_method(ctx); |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1251 | // Emulate the old client certificate callback with the new one. |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1252 | SSL_CTX_set_cert_cb(ctx, do_client_cert_cb, NULL); |
| 1253 | ctx->client_cert_cb = cb; |
| 1254 | } |
| 1255 | |
| 1256 | static int set_cert_store(X509_STORE **store_ptr, X509_STORE *new_store, |
| 1257 | int take_ref) { |
| 1258 | X509_STORE_free(*store_ptr); |
| 1259 | *store_ptr = new_store; |
| 1260 | |
| 1261 | if (new_store != NULL && take_ref) { |
| 1262 | X509_STORE_up_ref(new_store); |
| 1263 | } |
| 1264 | |
| 1265 | return 1; |
| 1266 | } |
| 1267 | |
| 1268 | int SSL_get_ex_data_X509_STORE_CTX_idx(void) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1269 | // The ex_data index to go from |X509_STORE_CTX| to |SSL| always uses the |
| 1270 | // reserved app_data slot. Before ex_data was introduced, app_data was used. |
| 1271 | // Avoid breaking any software which assumes |X509_STORE_CTX_get_app_data| |
| 1272 | // works. |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1273 | return 0; |
| 1274 | } |
| 1275 | |
| 1276 | int SSL_CTX_set0_verify_cert_store(SSL_CTX *ctx, X509_STORE *store) { |
| 1277 | check_ssl_ctx_x509_method(ctx); |
| 1278 | return set_cert_store(&ctx->cert->verify_store, store, 0); |
| 1279 | } |
| 1280 | |
| 1281 | int SSL_CTX_set1_verify_cert_store(SSL_CTX *ctx, X509_STORE *store) { |
| 1282 | check_ssl_ctx_x509_method(ctx); |
| 1283 | return set_cert_store(&ctx->cert->verify_store, store, 1); |
| 1284 | } |
| 1285 | |
| 1286 | int SSL_set0_verify_cert_store(SSL *ssl, X509_STORE *store) { |
| 1287 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1288 | if (!ssl->config) { |
| 1289 | return 0; |
| 1290 | } |
| 1291 | return set_cert_store(&ssl->config->cert->verify_store, store, 0); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1292 | } |
| 1293 | |
| 1294 | int SSL_set1_verify_cert_store(SSL *ssl, X509_STORE *store) { |
| 1295 | check_ssl_x509_method(ssl); |
Adam Vartanian | bfcf3a7 | 2018-08-10 14:55:24 +0100 | [diff] [blame] | 1296 | if (!ssl->config) { |
| 1297 | return 0; |
| 1298 | } |
| 1299 | return set_cert_store(&ssl->config->cert->verify_store, store, 1); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1300 | } |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1301 | |
| 1302 | int SSL_alert_from_verify_result(long result) { |
| 1303 | switch (result) { |
Robert Sloan | a450c92 | 2018-01-08 10:35:32 -0800 | [diff] [blame] | 1304 | case X509_V_ERR_CERT_CHAIN_TOO_LONG: |
| 1305 | case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: |
| 1306 | case X509_V_ERR_INVALID_CA: |
| 1307 | case X509_V_ERR_PATH_LENGTH_EXCEEDED: |
| 1308 | case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN: |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1309 | case X509_V_ERR_UNABLE_TO_GET_CRL: |
| 1310 | case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER: |
Robert Sloan | a450c92 | 2018-01-08 10:35:32 -0800 | [diff] [blame] | 1311 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: |
| 1312 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: |
| 1313 | case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1314 | return SSL_AD_UNKNOWN_CA; |
| 1315 | |
| 1316 | case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE: |
| 1317 | case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE: |
| 1318 | case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY: |
| 1319 | case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
| 1320 | case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: |
| 1321 | case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD: |
| 1322 | case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD: |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1323 | case X509_V_ERR_CERT_UNTRUSTED: |
| 1324 | case X509_V_ERR_CERT_REJECTED: |
| 1325 | case X509_V_ERR_HOSTNAME_MISMATCH: |
| 1326 | case X509_V_ERR_EMAIL_MISMATCH: |
| 1327 | case X509_V_ERR_IP_ADDRESS_MISMATCH: |
| 1328 | return SSL_AD_BAD_CERTIFICATE; |
| 1329 | |
| 1330 | case X509_V_ERR_CERT_SIGNATURE_FAILURE: |
| 1331 | case X509_V_ERR_CRL_SIGNATURE_FAILURE: |
| 1332 | return SSL_AD_DECRYPT_ERROR; |
| 1333 | |
| 1334 | case X509_V_ERR_CERT_HAS_EXPIRED: |
Robert Sloan | a450c92 | 2018-01-08 10:35:32 -0800 | [diff] [blame] | 1335 | case X509_V_ERR_CERT_NOT_YET_VALID: |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1336 | case X509_V_ERR_CRL_HAS_EXPIRED: |
Robert Sloan | a450c92 | 2018-01-08 10:35:32 -0800 | [diff] [blame] | 1337 | case X509_V_ERR_CRL_NOT_YET_VALID: |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1338 | return SSL_AD_CERTIFICATE_EXPIRED; |
| 1339 | |
| 1340 | case X509_V_ERR_CERT_REVOKED: |
| 1341 | return SSL_AD_CERTIFICATE_REVOKED; |
| 1342 | |
| 1343 | case X509_V_ERR_UNSPECIFIED: |
| 1344 | case X509_V_ERR_OUT_OF_MEM: |
| 1345 | case X509_V_ERR_INVALID_CALL: |
| 1346 | case X509_V_ERR_STORE_LOOKUP: |
| 1347 | return SSL_AD_INTERNAL_ERROR; |
| 1348 | |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1349 | case X509_V_ERR_APPLICATION_VERIFICATION: |
| 1350 | return SSL_AD_HANDSHAKE_FAILURE; |
| 1351 | |
| 1352 | case X509_V_ERR_INVALID_PURPOSE: |
| 1353 | return SSL_AD_UNSUPPORTED_CERTIFICATE; |
| 1354 | |
| 1355 | default: |
| 1356 | return SSL_AD_CERTIFICATE_UNKNOWN; |
| 1357 | } |
| 1358 | } |