Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
| 3 | * 1999. |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 13 | * notice, this list of conditions and the following disclaimer. |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * 3. All advertising materials mentioning features or use of this |
| 21 | * software must display the following acknowledgment: |
| 22 | * "This product includes software developed by the OpenSSL Project |
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 24 | * |
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 | * endorse or promote products derived from this software without |
| 27 | * prior written permission. For written permission, please contact |
| 28 | * licensing@OpenSSL.org. |
| 29 | * |
| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
| 31 | * nor may "OpenSSL" appear in their names without prior written |
| 32 | * permission of the OpenSSL Project. |
| 33 | * |
| 34 | * 6. Redistributions of any form whatsoever must retain the following |
| 35 | * acknowledgment: |
| 36 | * "This product includes software developed by the OpenSSL Project |
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 | * ==================================================================== |
| 52 | * |
| 53 | * This product includes cryptographic software written by Eric Young |
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 55 | * Hudson (tjh@cryptsoft.com). */ |
| 56 | |
| 57 | #include <stdio.h> |
Adam Langley | 2b2d66d | 2015-01-30 17:08:37 -0800 | [diff] [blame] | 58 | #include <string.h> |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 59 | |
| 60 | #include <openssl/conf.h> |
| 61 | #include <openssl/err.h> |
| 62 | #include <openssl/obj.h> |
David Benjamin | 58906ea | 2023-11-20 23:59:49 -0500 | [diff] [blame] | 63 | #include <openssl/x509.h> |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 64 | |
David Benjamin | 8627e97 | 2021-08-08 16:48:41 -0400 | [diff] [blame] | 65 | #include "internal.h" |
| 66 | |
| 67 | |
David Benjamin | aa3f6da | 2015-01-01 16:24:36 -0500 | [diff] [blame] | 68 | static const BIT_STRING_BITNAME ns_cert_type_table[] = { |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 69 | {0, "SSL Client", "client"}, |
| 70 | {1, "SSL Server", "server"}, |
| 71 | {2, "S/MIME", "email"}, |
| 72 | {3, "Object Signing", "objsign"}, |
| 73 | {4, "Unused", "reserved"}, |
| 74 | {5, "SSL CA", "sslCA"}, |
| 75 | {6, "S/MIME CA", "emailCA"}, |
| 76 | {7, "Object Signing CA", "objCA"}, |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 77 | {-1, NULL, NULL}}; |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 78 | |
David Benjamin | aa3f6da | 2015-01-01 16:24:36 -0500 | [diff] [blame] | 79 | static const BIT_STRING_BITNAME key_usage_type_table[] = { |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 80 | {0, "Digital Signature", "digitalSignature"}, |
| 81 | {1, "Non Repudiation", "nonRepudiation"}, |
| 82 | {2, "Key Encipherment", "keyEncipherment"}, |
| 83 | {3, "Data Encipherment", "dataEncipherment"}, |
| 84 | {4, "Key Agreement", "keyAgreement"}, |
| 85 | {5, "Certificate Sign", "keyCertSign"}, |
| 86 | {6, "CRL Sign", "cRLSign"}, |
| 87 | {7, "Encipher Only", "encipherOnly"}, |
| 88 | {8, "Decipher Only", "decipherOnly"}, |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 89 | {-1, NULL, NULL}}; |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 90 | |
David Benjamin | 2d4f1b8 | 2022-05-23 14:56:15 -0400 | [diff] [blame] | 91 | static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING( |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 92 | const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret) { |
| 93 | const ASN1_BIT_STRING *bits = ext; |
| 94 | const BIT_STRING_BITNAME *bnam; |
| 95 | for (bnam = method->usr_data; bnam->lname; bnam++) { |
David Benjamin | c0b87a0 | 2022-06-16 14:02:15 -0400 | [diff] [blame] | 96 | if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) { |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 97 | X509V3_add_value(bnam->lname, NULL, &ret); |
David Benjamin | c0b87a0 | 2022-06-16 14:02:15 -0400 | [diff] [blame] | 98 | } |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 99 | } |
| 100 | return ret; |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 101 | } |
Adam Langley | 95c29f3 | 2014-06-20 12:00:00 -0700 | [diff] [blame] | 102 | |
David Benjamin | 2d4f1b8 | 2022-05-23 14:56:15 -0400 | [diff] [blame] | 103 | static void *v2i_ASN1_BIT_STRING(const X509V3_EXT_METHOD *method, |
David Benjamin | 44b3a28 | 2022-12-29 00:41:26 -0500 | [diff] [blame] | 104 | const X509V3_CTX *ctx, |
| 105 | const STACK_OF(CONF_VALUE) *nval) { |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 106 | ASN1_BIT_STRING *bs; |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 107 | if (!(bs = ASN1_BIT_STRING_new())) { |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 108 | return NULL; |
| 109 | } |
David Benjamin | 44b3a28 | 2022-12-29 00:41:26 -0500 | [diff] [blame] | 110 | for (size_t i = 0; i < sk_CONF_VALUE_num(nval); i++) { |
| 111 | const CONF_VALUE *val = sk_CONF_VALUE_value(nval, i); |
| 112 | const BIT_STRING_BITNAME *bnam; |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 113 | for (bnam = method->usr_data; bnam->lname; bnam++) { |
| 114 | if (!strcmp(bnam->sname, val->name) || !strcmp(bnam->lname, val->name)) { |
| 115 | if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) { |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 116 | ASN1_BIT_STRING_free(bs); |
| 117 | return NULL; |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 118 | } |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 119 | break; |
| 120 | } |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 121 | } |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 122 | if (!bnam->lname) { |
| 123 | OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT); |
| 124 | X509V3_conf_err(val); |
| 125 | ASN1_BIT_STRING_free(bs); |
| 126 | return NULL; |
| 127 | } |
| 128 | } |
| 129 | return bs; |
Adam Langley | 57707c7 | 2016-01-14 11:25:12 -0800 | [diff] [blame] | 130 | } |
David Benjamin | 2d4f1b8 | 2022-05-23 14:56:15 -0400 | [diff] [blame] | 131 | |
| 132 | #define EXT_BITSTRING(nid, table) \ |
| 133 | { \ |
| 134 | nid, 0, ASN1_ITEM_ref(ASN1_BIT_STRING), 0, 0, 0, 0, 0, 0, \ |
| 135 | i2v_ASN1_BIT_STRING, v2i_ASN1_BIT_STRING, NULL, NULL, (void *)(table) \ |
| 136 | } |
| 137 | |
| 138 | const X509V3_EXT_METHOD v3_nscert = |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 139 | EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table); |
David Benjamin | 2d4f1b8 | 2022-05-23 14:56:15 -0400 | [diff] [blame] | 140 | const X509V3_EXT_METHOD v3_key_usage = |
David Benjamin | 260a10c | 2022-06-16 13:58:28 -0400 | [diff] [blame] | 141 | EXT_BITSTRING(NID_key_usage, key_usage_type_table); |