Latest update.

2019-01-30 02:25:21 +09:00
parent 87e37412f8
commit afcfc266de
110 changed files with 2906 additions and 1475 deletions
@@ -0,0 +1,3 @@
+LIBS=../../libcrypto
+SOURCE[../../libcrypto]= \
+        ess_lib.c ess_asn1.c ess_err.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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 <openssl/err.h>
+#include <openssl/asn1t.h>
+#include <openssl/ess.h>
+#include <openssl/x509v3.h>
+#include "internal/ess_int.h"
+
+/* ASN1 stuff for ESS Structure */
+
+ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
+        ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
+        ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
+} static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
+
+ASN1_SEQUENCE(ESS_CERT_ID) = {
+        ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
+        ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
+        ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
+        ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
+
+ASN1_SEQUENCE(ESS_CERT_ID_V2) = {
+        ASN1_OPT(ESS_CERT_ID_V2, hash_alg, X509_ALGOR),
+        ASN1_SIMPLE(ESS_CERT_ID_V2, hash, ASN1_OCTET_STRING),
+        ASN1_OPT(ESS_CERT_ID_V2, issuer_serial, ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID_V2)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT_V2) = {
+        ASN1_SEQUENCE_OF(ESS_SIGNING_CERT_V2, cert_ids, ESS_CERT_ID_V2),
+        ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT_V2, policy_info, POLICYINFO)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT_V2)
@@ -0,0 +1,53 @@
+/*
+ * Generated by util/mkerr.pl DO NOT EDIT
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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 <openssl/err.h>
+#include <openssl/esserr.h>
+
+#ifndef OPENSSL_NO_ERR
+
+static const ERR_STRING_DATA ESS_str_functs[] = {
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_CERT_ID_NEW_INIT, 0),
+     "ESS_CERT_ID_new_init"},
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_CERT_ID_V2_NEW_INIT, 0),
+     "ESS_CERT_ID_V2_new_init"},
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_SIGNING_CERT_ADD, 0),
+     "ESS_SIGNING_CERT_add"},
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_SIGNING_CERT_NEW_INIT, 0),
+     "ESS_SIGNING_CERT_new_init"},
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_SIGNING_CERT_V2_ADD, 0),
+     "ESS_SIGNING_CERT_V2_add"},
+    {ERR_PACK(ERR_LIB_ESS, ESS_F_ESS_SIGNING_CERT_V2_NEW_INIT, 0),
+     "ESS_SIGNING_CERT_V2_new_init"},
+    {0, NULL}
+};
+
+static const ERR_STRING_DATA ESS_str_reasons[] = {
+    {ERR_PACK(ERR_LIB_ESS, 0, ESS_R_ESS_SIGNING_CERTIFICATE_ERROR),
+    "ess signing certificate error"},
+    {ERR_PACK(ERR_LIB_ESS, 0, ESS_R_ESS_SIGNING_CERT_ADD_ERROR),
+    "ess signing cert add error"},
+    {ERR_PACK(ERR_LIB_ESS, 0, ESS_R_ESS_SIGNING_CERT_V2_ADD_ERROR),
+    "ess signing cert v2 add error"},
+    {0, NULL}
+};
+
+#endif
+
+int ERR_load_ESS_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+    if (ERR_func_error_string(ESS_str_functs[0].error) == NULL) {
+        ERR_load_strings_const(ESS_str_functs);
+        ERR_load_strings_const(ESS_str_reasons);
+    }
+#endif
+    return 1;
+}
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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 <string.h>
+#include <openssl/x509v3.h>
+#include <openssl/err.h>
+#include <openssl/ess.h>
+#include "internal/ess_int.h"
+
+static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed);
+static ESS_CERT_ID_V2 *ESS_CERT_ID_V2_new_init(const EVP_MD *hash_alg,
+                                               X509 *cert, int issuer_needed);
+
+ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
+                                            STACK_OF(X509) *certs,
+                                            int issuer_needed)
+{
+    ESS_CERT_ID *cid = NULL;
+    ESS_SIGNING_CERT *sc;
+    int i;
+
+    if ((sc = ESS_SIGNING_CERT_new()) == NULL)
+        goto err;
+    if (sc->cert_ids == NULL
+        && (sc->cert_ids = sk_ESS_CERT_ID_new_null()) == NULL)
+        goto err;
+
+    if ((cid = ESS_CERT_ID_new_init(signcert, issuer_needed)) == NULL
+        || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+        goto err;
+    for (i = 0; i < sk_X509_num(certs); ++i) {
+        X509 *cert = sk_X509_value(certs, i);
+        if ((cid = ESS_CERT_ID_new_init(cert, 1)) == NULL
+            || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+            goto err;
+    }
+
+    return sc;
+ err:
+    ESS_SIGNING_CERT_free(sc);
+    ESS_CERT_ID_free(cid);
+    ESSerr(ESS_F_ESS_SIGNING_CERT_NEW_INIT, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed)
+{
+    ESS_CERT_ID *cid = NULL;
+    GENERAL_NAME *name = NULL;
+    unsigned char cert_sha1[SHA_DIGEST_LENGTH];
+
+    /* Call for side-effect of computing hash and caching extensions */
+    X509_check_purpose(cert, -1, 0);
+    if ((cid = ESS_CERT_ID_new()) == NULL)
+        goto err;
+    X509_digest(cert, EVP_sha1(), cert_sha1, NULL);
+    if (!ASN1_OCTET_STRING_set(cid->hash, cert_sha1, SHA_DIGEST_LENGTH))
+        goto err;
+
+    /* Setting the issuer/serial if requested. */
+    if (!issuer_needed)
+        return cid;
+
+    if (cid->issuer_serial == NULL
+        && (cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
+        goto err;
+    if ((name = GENERAL_NAME_new()) == NULL)
+        goto err;
+    name->type = GEN_DIRNAME;
+    if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
+        goto err;
+    if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
+        goto err;
+    name = NULL;            /* Ownership is lost. */
+    ASN1_INTEGER_free(cid->issuer_serial->serial);
+    if (!(cid->issuer_serial->serial =
+          ASN1_INTEGER_dup(X509_get_serialNumber(cert))))
+        goto err;
+
+    return cid;
+ err:
+    GENERAL_NAME_free(name);
+    ESS_CERT_ID_free(cid);
+    ESSerr(ESS_F_ESS_CERT_ID_NEW_INIT, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+ESS_SIGNING_CERT_V2 *ESS_SIGNING_CERT_V2_new_init(const EVP_MD *hash_alg,
+                                                  X509 *signcert,
+                                                  STACK_OF(X509) *certs,
+                                                  int issuer_needed)
+{
+    ESS_CERT_ID_V2 *cid = NULL;
+    ESS_SIGNING_CERT_V2 *sc;
+    int i;
+
+    if ((sc = ESS_SIGNING_CERT_V2_new()) == NULL)
+        goto err;
+    if ((cid = ESS_CERT_ID_V2_new_init(hash_alg, signcert, issuer_needed)) == NULL)
+        goto err;
+    if (!sk_ESS_CERT_ID_V2_push(sc->cert_ids, cid))
+        goto err;
+    cid = NULL;
+
+    for (i = 0; i < sk_X509_num(certs); ++i) {
+        X509 *cert = sk_X509_value(certs, i);
+
+        if ((cid = ESS_CERT_ID_V2_new_init(hash_alg, cert, 1)) == NULL)
+            goto err;
+        if (!sk_ESS_CERT_ID_V2_push(sc->cert_ids, cid))
+            goto err;
+        cid = NULL;
+    }
+
+    return sc;
+ err:
+    ESS_SIGNING_CERT_V2_free(sc);
+    ESS_CERT_ID_V2_free(cid);
+    ESSerr(ESS_F_ESS_SIGNING_CERT_V2_NEW_INIT, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+static ESS_CERT_ID_V2 *ESS_CERT_ID_V2_new_init(const EVP_MD *hash_alg,
+                                               X509 *cert, int issuer_needed)
+{
+    ESS_CERT_ID_V2 *cid;
+    GENERAL_NAME *name = NULL;
+    unsigned char hash[EVP_MAX_MD_SIZE];
+    unsigned int hash_len = sizeof(hash);
+    X509_ALGOR *alg = NULL;
+
+    memset(hash, 0, sizeof(hash));
+
+    if ((cid = ESS_CERT_ID_V2_new()) == NULL)
+        goto err;
+
+    if (hash_alg != EVP_sha256()) {
+        alg = X509_ALGOR_new();
+        if (alg == NULL)
+            goto err;
+        X509_ALGOR_set_md(alg, hash_alg);
+        if (alg->algorithm == NULL)
+            goto err;
+        cid->hash_alg = alg;
+        alg = NULL;
+    } else {
+        cid->hash_alg = NULL;
+    }
+
+    if (!X509_digest(cert, hash_alg, hash, &hash_len))
+        goto err;
+
+    if (!ASN1_OCTET_STRING_set(cid->hash, hash, hash_len))
+        goto err;
+
+    if (!issuer_needed)
+        return cid;
+
+    if ((cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
+        goto err;
+    if ((name = GENERAL_NAME_new()) == NULL)
+        goto err;
+    name->type = GEN_DIRNAME;
+    if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
+        goto err;
+    if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
+        goto err;
+    name = NULL;            /* Ownership is lost. */
+    ASN1_INTEGER_free(cid->issuer_serial->serial);
+    cid->issuer_serial->serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert));
+    if (cid->issuer_serial->serial == NULL)
+        goto err;
+
+    return cid;
+ err:
+    X509_ALGOR_free(alg);
+    GENERAL_NAME_free(name);
+    ESS_CERT_ID_V2_free(cid);
+    ESSerr(ESS_F_ESS_CERT_ID_V2_NEW_INIT, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+ESS_SIGNING_CERT *ESS_SIGNING_CERT_get(PKCS7_SIGNER_INFO *si)
+{
+    ASN1_TYPE *attr;
+    const unsigned char *p;
+    attr = PKCS7_get_signed_attribute(si, NID_id_smime_aa_signingCertificate);
+    if (!attr)
+        return NULL;
+    p = attr->value.sequence->data;
+    return d2i_ESS_SIGNING_CERT(NULL, &p, attr->value.sequence->length);
+}
+
+ESS_SIGNING_CERT_V2 *ESS_SIGNING_CERT_V2_get(PKCS7_SIGNER_INFO *si)
+{
+    ASN1_TYPE *attr;
+    const unsigned char *p;
+
+    attr = PKCS7_get_signed_attribute(si, NID_id_smime_aa_signingCertificateV2);
+    if (attr == NULL)
+        return NULL;
+    p = attr->value.sequence->data;
+    return d2i_ESS_SIGNING_CERT_V2(NULL, &p, attr->value.sequence->length);
+}
+
+int ESS_SIGNING_CERT_add(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc)
+{
+    ASN1_STRING *seq = NULL;
+    unsigned char *p, *pp = NULL;
+    int len;
+
+    len = i2d_ESS_SIGNING_CERT(sc, NULL);
+    if ((pp = OPENSSL_malloc(len)) == NULL) {
+        ESSerr(ESS_F_ESS_SIGNING_CERT_ADD, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    p = pp;
+    i2d_ESS_SIGNING_CERT(sc, &p);
+    if ((seq = ASN1_STRING_new()) == NULL || !ASN1_STRING_set(seq, pp, len)) {
+        ESSerr(ESS_F_ESS_SIGNING_CERT_ADD, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    OPENSSL_free(pp);
+    pp = NULL;
+    return PKCS7_add_signed_attribute(si,
+                                      NID_id_smime_aa_signingCertificate,
+                                      V_ASN1_SEQUENCE, seq);
+ err:
+    ASN1_STRING_free(seq);
+    OPENSSL_free(pp);
+
+    return 0;
+}
+
+int ESS_SIGNING_CERT_V2_add(PKCS7_SIGNER_INFO *si,
+                            ESS_SIGNING_CERT_V2 *sc)
+{
+    ASN1_STRING *seq = NULL;
+    unsigned char *p, *pp = NULL;
+    int len = i2d_ESS_SIGNING_CERT_V2(sc, NULL);
+
+    if ((pp = OPENSSL_malloc(len)) == NULL) {
+        ESSerr(ESS_F_ESS_SIGNING_CERT_V2_ADD, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    p = pp;
+    i2d_ESS_SIGNING_CERT_V2(sc, &p);
+    if ((seq = ASN1_STRING_new()) == NULL || !ASN1_STRING_set(seq, pp, len)) {
+        ESSerr(ESS_F_ESS_SIGNING_CERT_V2_ADD, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    OPENSSL_free(pp);
+    pp = NULL;
+    return PKCS7_add_signed_attribute(si,
+                                      NID_id_smime_aa_signingCertificateV2,
+                                      V_ASN1_SEQUENCE, seq);
+ err:
+    ASN1_STRING_free(seq);
+    OPENSSL_free(pp);
+    return 0;
+}