Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/x509/x_x509.c

@@ -0,0 +1,247 @@
+/*
+ * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include "internal/x509_int.h"
+
+ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
+        ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
+        ASN1_EMBED(X509_CINF, serialNumber, ASN1_INTEGER),
+        ASN1_EMBED(X509_CINF, signature, X509_ALGOR),
+        ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
+        ASN1_EMBED(X509_CINF, validity, X509_VAL),
+        ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
+        ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
+        ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
+        ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
+        ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
+} ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
+/* X509 top level structure needs a bit of customisation */
+
+extern void policy_cache_free(X509_POLICY_CACHE *cache);
+
+static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                   void *exarg)
+{
+    X509 *ret = (X509 *)*pval;
+
+    switch (operation) {
+
+    case ASN1_OP_D2I_PRE:
+        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+        X509_CERT_AUX_free(ret->aux);
+        ASN1_OCTET_STRING_free(ret->skid);
+        AUTHORITY_KEYID_free(ret->akid);
+        CRL_DIST_POINTS_free(ret->crldp);
+        policy_cache_free(ret->policy_cache);
+        GENERAL_NAMES_free(ret->altname);
+        NAME_CONSTRAINTS_free(ret->nc);
+#ifndef OPENSSL_NO_RFC3779
+        sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free);
+        ASIdentifiers_free(ret->rfc3779_asid);
+#endif
+
+        /* fall thru */
+
+    case ASN1_OP_NEW_POST:
+        ret->ex_cached = 0;
+        ret->ex_kusage = 0;
+        ret->ex_xkusage = 0;
+        ret->ex_nscert = 0;
+        ret->ex_flags = 0;
+        ret->ex_pathlen = -1;
+        ret->ex_pcpathlen = -1;
+        ret->skid = NULL;
+        ret->akid = NULL;
+        ret->policy_cache = NULL;
+        ret->altname = NULL;
+        ret->nc = NULL;
+#ifndef OPENSSL_NO_RFC3779
+        ret->rfc3779_addr = NULL;
+        ret->rfc3779_asid = NULL;
+#endif
+        ret->aux = NULL;
+        ret->crldp = NULL;
+        if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data))
+            return 0;
+        break;
+
+    case ASN1_OP_FREE_POST:
+        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+        X509_CERT_AUX_free(ret->aux);
+        ASN1_OCTET_STRING_free(ret->skid);
+        AUTHORITY_KEYID_free(ret->akid);
+        CRL_DIST_POINTS_free(ret->crldp);
+        policy_cache_free(ret->policy_cache);
+        GENERAL_NAMES_free(ret->altname);
+        NAME_CONSTRAINTS_free(ret->nc);
+#ifndef OPENSSL_NO_RFC3779
+        sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free);
+        ASIdentifiers_free(ret->rfc3779_asid);
+#endif
+        break;
+
+    }
+
+    return 1;
+
+}
+
+ASN1_SEQUENCE_ref(X509, x509_cb) = {
+        ASN1_EMBED(X509, cert_info, X509_CINF),
+        ASN1_EMBED(X509, sig_alg, X509_ALGOR),
+        ASN1_EMBED(X509, signature, ASN1_BIT_STRING)
+} ASN1_SEQUENCE_END_ref(X509, X509)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509)
+
+IMPLEMENT_ASN1_DUP_FUNCTION(X509)
+
+int X509_set_ex_data(X509 *r, int idx, void *arg)
+{
+    return CRYPTO_set_ex_data(&r->ex_data, idx, arg);
+}
+
+void *X509_get_ex_data(X509 *r, int idx)
+{
+    return CRYPTO_get_ex_data(&r->ex_data, idx);
+}
+
+/*
+ * X509_AUX ASN1 routines. X509_AUX is the name given to a certificate with
+ * extra info tagged on the end. Since these functions set how a certificate
+ * is trusted they should only be used when the certificate comes from a
+ * reliable source such as local storage.
+ */
+
+X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
+{
+    const unsigned char *q;
+    X509 *ret;
+    int freeret = 0;
+
+    /* Save start position */
+    q = *pp;
+
+    if (a == NULL || *a == NULL)
+        freeret = 1;
+    ret = d2i_X509(a, &q, length);
+    /* If certificate unreadable then forget it */
+    if (ret == NULL)
+        return NULL;
+    /* update length */
+    length -= q - *pp;
+    if (length > 0 && !d2i_X509_CERT_AUX(&ret->aux, &q, length))
+        goto err;
+    *pp = q;
+    return ret;
+ err:
+    if (freeret) {
+        X509_free(ret);
+        if (a)
+            *a = NULL;
+    }
+    return NULL;
+}
+
+/*
+ * Serialize trusted certificate to *pp or just return the required buffer
+ * length if pp == NULL.  We ultimately want to avoid modifying *pp in the
+ * error path, but that depends on similar hygiene in lower-level functions.
+ * Here we avoid compounding the problem.
+ */
+static int i2d_x509_aux_internal(X509 *a, unsigned char **pp)
+{
+    int length, tmplen;
+    unsigned char *start = pp != NULL ? *pp : NULL;
+
+    /*
+     * This might perturb *pp on error, but fixing that belongs in i2d_X509()
+     * not here.  It should be that if a == NULL length is zero, but we check
+     * both just in case.
+     */
+    length = i2d_X509(a, pp);
+    if (length <= 0 || a == NULL)
+        return length;
+
+    tmplen = i2d_X509_CERT_AUX(a->aux, pp);
+    if (tmplen < 0) {
+        if (start != NULL)
+            *pp = start;
+        return tmplen;
+    }
+    length += tmplen;
+
+    return length;
+}
+
+/*
+ * Serialize trusted certificate to *pp, or just return the required buffer
+ * length if pp == NULL.
+ *
+ * When pp is not NULL, but *pp == NULL, we allocate the buffer, but since
+ * we're writing two ASN.1 objects back to back, we can't have i2d_X509() do
+ * the allocation, nor can we allow i2d_X509_CERT_AUX() to increment the
+ * allocated buffer.
+ */
+int i2d_X509_AUX(X509 *a, unsigned char **pp)
+{
+    int length;
+    unsigned char *tmp;
+
+    /* Buffer provided by caller */
+    if (pp == NULL || *pp != NULL)
+        return i2d_x509_aux_internal(a, pp);
+
+    /* Obtain the combined length */
+    if ((length = i2d_x509_aux_internal(a, NULL)) <= 0)
+        return length;
+
+    /* Allocate requisite combined storage */
+    *pp = tmp = OPENSSL_malloc(length);
+    if (tmp == NULL) {
+        X509err(X509_F_I2D_X509_AUX, ERR_R_MALLOC_FAILURE);
+        return -1;
+    }
+
+    /* Encode, but keep *pp at the originally malloced pointer */
+    length = i2d_x509_aux_internal(a, &tmp);
+    if (length <= 0) {
+        OPENSSL_free(*pp);
+        *pp = NULL;
+    }
+    return length;
+}
+
+int i2d_re_X509_tbs(X509 *x, unsigned char **pp)
+{
+    x->cert_info.enc.modified = 1;
+    return i2d_X509_CINF(&x->cert_info, pp);
+}
+
+void X509_get0_signature(const ASN1_BIT_STRING **psig,
+                         const X509_ALGOR **palg, const X509 *x)
+{
+    if (psig)
+        *psig = &x->signature;
+    if (palg)
+        *palg = &x->sig_alg;
+}
+
+int X509_get_signature_nid(const X509 *x)
+{
+    return OBJ_obj2nid(x->sig_alg.algorithm);
+}