[331] | 1 | /*
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| 2 | * Copyright 2006-2016 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 "internal/cryptlib.h"
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| 11 | #include <openssl/objects.h>
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| 12 | #include <openssl/ts.h>
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| 13 | #include "ts_lcl.h"
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| 14 |
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| 15 | TS_VERIFY_CTX *TS_VERIFY_CTX_new(void)
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| 16 | {
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| 17 | TS_VERIFY_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
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| 18 |
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| 19 | if (ctx == NULL)
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| 20 | TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE);
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| 21 | return ctx;
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| 22 | }
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| 23 |
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| 24 | void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx)
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| 25 | {
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| 26 | OPENSSL_assert(ctx != NULL);
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| 27 | memset(ctx, 0, sizeof(*ctx));
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| 28 | }
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| 29 |
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| 30 | void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx)
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| 31 | {
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| 32 | if (!ctx)
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| 33 | return;
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| 34 |
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| 35 | TS_VERIFY_CTX_cleanup(ctx);
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| 36 | OPENSSL_free(ctx);
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| 37 | }
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| 38 |
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| 39 | int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int f)
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| 40 | {
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| 41 | ctx->flags |= f;
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| 42 | return ctx->flags;
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| 43 | }
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| 44 |
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| 45 | int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int f)
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| 46 | {
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| 47 | ctx->flags = f;
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| 48 | return ctx->flags;
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| 49 | }
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| 50 |
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| 51 | BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *b)
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| 52 | {
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| 53 | ctx->data = b;
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| 54 | return ctx->data;
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| 55 | }
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| 56 |
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| 57 | X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *s)
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| 58 | {
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| 59 | ctx->store = s;
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| 60 | return ctx->store;
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| 61 | }
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| 62 |
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| 63 | STACK_OF(X509) *TS_VERIFY_CTS_set_certs(TS_VERIFY_CTX *ctx,
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| 64 | STACK_OF(X509) *certs)
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| 65 | {
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| 66 | ctx->certs = certs;
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| 67 | return ctx->certs;
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| 68 | }
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| 69 |
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| 70 | unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
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| 71 | unsigned char *hexstr, long len)
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| 72 | {
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| 73 | ctx->imprint = hexstr;
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| 74 | ctx->imprint_len = len;
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| 75 | return ctx->imprint;
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| 76 | }
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| 77 |
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| 78 | void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx)
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| 79 | {
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| 80 | if (!ctx)
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| 81 | return;
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| 82 |
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| 83 | X509_STORE_free(ctx->store);
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| 84 | sk_X509_pop_free(ctx->certs, X509_free);
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| 85 |
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| 86 | ASN1_OBJECT_free(ctx->policy);
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| 87 |
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| 88 | X509_ALGOR_free(ctx->md_alg);
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| 89 | OPENSSL_free(ctx->imprint);
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| 90 |
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| 91 | BIO_free_all(ctx->data);
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| 92 |
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| 93 | ASN1_INTEGER_free(ctx->nonce);
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| 94 |
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| 95 | GENERAL_NAME_free(ctx->tsa_name);
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| 96 |
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| 97 | TS_VERIFY_CTX_init(ctx);
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| 98 | }
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| 99 |
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| 100 | TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
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| 101 | {
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| 102 | TS_VERIFY_CTX *ret = ctx;
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| 103 | ASN1_OBJECT *policy;
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| 104 | TS_MSG_IMPRINT *imprint;
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| 105 | X509_ALGOR *md_alg;
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| 106 | ASN1_OCTET_STRING *msg;
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| 107 | const ASN1_INTEGER *nonce;
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| 108 |
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| 109 | OPENSSL_assert(req != NULL);
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| 110 | if (ret)
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| 111 | TS_VERIFY_CTX_cleanup(ret);
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| 112 | else if ((ret = TS_VERIFY_CTX_new()) == NULL)
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| 113 | return NULL;
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| 114 |
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| 115 | ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE);
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| 116 |
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| 117 | if ((policy = req->policy_id) != NULL) {
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| 118 | if ((ret->policy = OBJ_dup(policy)) == NULL)
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| 119 | goto err;
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| 120 | } else
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| 121 | ret->flags &= ~TS_VFY_POLICY;
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| 122 |
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| 123 | imprint = req->msg_imprint;
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| 124 | md_alg = imprint->hash_algo;
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| 125 | if ((ret->md_alg = X509_ALGOR_dup(md_alg)) == NULL)
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| 126 | goto err;
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| 127 | msg = imprint->hashed_msg;
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| 128 | ret->imprint_len = ASN1_STRING_length(msg);
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| 129 | if ((ret->imprint = OPENSSL_malloc(ret->imprint_len)) == NULL)
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| 130 | goto err;
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| 131 | memcpy(ret->imprint, ASN1_STRING_get0_data(msg), ret->imprint_len);
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| 132 |
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| 133 | if ((nonce = req->nonce) != NULL) {
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| 134 | if ((ret->nonce = ASN1_INTEGER_dup(nonce)) == NULL)
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| 135 | goto err;
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| 136 | } else
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| 137 | ret->flags &= ~TS_VFY_NONCE;
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| 138 |
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| 139 | return ret;
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| 140 | err:
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| 141 | if (ctx)
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| 142 | TS_VERIFY_CTX_cleanup(ctx);
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| 143 | else
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| 144 | TS_VERIFY_CTX_free(ret);
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| 145 | return NULL;
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| 146 | }
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