[331] | 1 | /*
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| 2 | * Copyright 1999-2016 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 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/asn1.h>
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| 13 | #include <openssl/asn1t.h>
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| 14 | #include <openssl/conf.h>
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| 15 | #include <openssl/x509v3.h>
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| 16 | #include "ext_dat.h"
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| 17 |
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| 18 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
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| 19 | BASIC_CONSTRAINTS *bcons,
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| 20 | STACK_OF(CONF_VALUE)
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| 21 | *extlist);
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| 22 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
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| 23 | X509V3_CTX *ctx,
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| 24 | STACK_OF(CONF_VALUE) *values);
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| 25 |
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| 26 | const X509V3_EXT_METHOD v3_bcons = {
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| 27 | NID_basic_constraints, 0,
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| 28 | ASN1_ITEM_ref(BASIC_CONSTRAINTS),
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| 29 | 0, 0, 0, 0,
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| 30 | 0, 0,
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| 31 | (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS,
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| 32 | (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
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| 33 | NULL, NULL,
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| 34 | NULL
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| 35 | };
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| 36 |
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| 37 | ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
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| 38 | ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
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| 39 | ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
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| 40 | } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
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| 41 |
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| 42 | IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
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| 43 |
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| 44 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
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| 45 | BASIC_CONSTRAINTS *bcons,
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| 46 | STACK_OF(CONF_VALUE)
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| 47 | *extlist)
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| 48 | {
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| 49 | X509V3_add_value_bool("CA", bcons->ca, &extlist);
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| 50 | X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
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| 51 | return extlist;
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| 52 | }
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| 53 |
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| 54 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
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| 55 | X509V3_CTX *ctx,
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| 56 | STACK_OF(CONF_VALUE) *values)
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| 57 | {
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| 58 | BASIC_CONSTRAINTS *bcons = NULL;
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| 59 | CONF_VALUE *val;
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| 60 | int i;
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| 61 |
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| 62 | if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) {
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| 63 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
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| 64 | return NULL;
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| 65 | }
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| 66 | for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
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| 67 | val = sk_CONF_VALUE_value(values, i);
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| 68 | if (strcmp(val->name, "CA") == 0) {
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| 69 | if (!X509V3_get_value_bool(val, &bcons->ca))
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| 70 | goto err;
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| 71 | } else if (strcmp(val->name, "pathlen") == 0) {
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| 72 | if (!X509V3_get_value_int(val, &bcons->pathlen))
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| 73 | goto err;
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| 74 | } else {
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| 75 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
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| 76 | X509V3_conf_err(val);
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| 77 | goto err;
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| 78 | }
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| 79 | }
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| 80 | return bcons;
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| 81 | err:
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| 82 | BASIC_CONSTRAINTS_free(bcons);
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| 83 | return NULL;
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| 84 | }
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