1 | /*
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2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifdef OPENSSL_NO_CT
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11 | # error "CT is disabled"
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12 | #endif
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13 |
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14 | #include "ct_locl.h"
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15 |
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16 | static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val)
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17 | {
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18 | return OPENSSL_strdup("NULL");
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19 | }
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20 |
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21 | static void *s2i_poison(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str)
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22 | {
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23 | return ASN1_NULL_new();
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24 | }
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25 |
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26 | static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list,
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27 | BIO *out, int indent)
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28 | {
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29 | SCT_LIST_print(sct_list, out, indent, "\n", NULL);
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30 | return 1;
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31 | }
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32 |
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33 | /* Handlers for X509v3/OCSP Certificate Transparency extensions */
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34 | const X509V3_EXT_METHOD v3_ct_scts[3] = {
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35 | /* X509v3 extension in certificates that contains SCTs */
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36 | { NID_ct_precert_scts, 0, NULL,
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37 | NULL, (X509V3_EXT_FREE)SCT_LIST_free,
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38 | (X509V3_EXT_D2I)d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
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39 | NULL, NULL,
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40 | NULL, NULL,
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41 | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
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42 | NULL },
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43 |
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44 | /* X509v3 extension to mark a certificate as a pre-certificate */
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45 | { NID_ct_precert_poison, 0, ASN1_ITEM_ref(ASN1_NULL),
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46 | NULL, NULL, NULL, NULL,
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47 | i2s_poison, s2i_poison,
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48 | NULL, NULL,
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49 | NULL, NULL,
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50 | NULL },
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51 |
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52 | /* OCSP extension that contains SCTs */
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53 | { NID_ct_cert_scts, 0, NULL,
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54 | 0, (X509V3_EXT_FREE)SCT_LIST_free,
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55 | (X509V3_EXT_D2I)d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
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56 | NULL, NULL,
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57 | NULL, NULL,
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58 | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
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59 | NULL },
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60 | };
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