APPS=
LIB=$(TOP)/libcrypto.a
-LIBSRC= ts_err.c ts_req_utils.c ts_req_print.c ts_resp_utils.c ts_resp_print.c \
- ts_resp_sign.c ts_resp_verify.c ts_verify_ctx.c ts_lib.c ts_conf.c \
+LIBSRC= ts_err.c ts_req_utils.c ts_req_print.c ts_rsp_utils.c ts_rsp_print.c \
+ ts_rsp_sign.c ts_rsp_verify.c ts_verify_ctx.c ts_lib.c ts_conf.c \
ts_asn1.c
-LIBOBJ= ts_err.o ts_req_utils.o ts_req_print.o ts_resp_utils.o ts_resp_print.o \
- ts_resp_sign.o ts_resp_verify.o ts_verify_ctx.o ts_lib.o ts_conf.o \
+LIBOBJ= ts_err.o ts_req_utils.o ts_req_print.o ts_rsp_utils.o ts_rsp_print.o \
+ ts_rsp_sign.o ts_rsp_verify.o ts_verify_ctx.o ts_lib.o ts_conf.o \
ts_asn1.o
SRC= $(LIBSRC)
ts_req_utils.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
ts_req_utils.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
ts_req_utils.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_req_utils.c
-ts_resp_print.o: ../../e_os.h ../../include/openssl/asn1.h
-ts_resp_print.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
-ts_resp_print.o: ../../include/openssl/buffer.h ../../include/openssl/conf.h
-ts_resp_print.o: ../../include/openssl/crypto.h ../../include/openssl/dh.h
-ts_resp_print.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
-ts_resp_print.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
-ts_resp_print.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
-ts_resp_print.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
-ts_resp_print.o: ../../include/openssl/obj_mac.h
-ts_resp_print.o: ../../include/openssl/objects.h
-ts_resp_print.o: ../../include/openssl/opensslconf.h
-ts_resp_print.o: ../../include/openssl/opensslv.h
-ts_resp_print.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
-ts_resp_print.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
-ts_resp_print.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
-ts_resp_print.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
-ts_resp_print.o: ../../include/openssl/x509_vfy.h
-ts_resp_print.o: ../../include/openssl/x509v3.h ../cryptlib.h ts.h
-ts_resp_print.o: ts_resp_print.c
-ts_resp_sign.o: ../../e_os.h ../../include/openssl/asn1.h
-ts_resp_sign.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
-ts_resp_sign.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
-ts_resp_sign.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
-ts_resp_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
-ts_resp_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
-ts_resp_sign.o: ../../include/openssl/err.h ../../include/openssl/evp.h
-ts_resp_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
-ts_resp_sign.o: ../../include/openssl/objects.h
-ts_resp_sign.o: ../../include/openssl/opensslconf.h
-ts_resp_sign.o: ../../include/openssl/opensslv.h
-ts_resp_sign.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
-ts_resp_sign.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
-ts_resp_sign.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
-ts_resp_sign.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
-ts_resp_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
-ts_resp_sign.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_resp_sign.c
-ts_resp_utils.o: ../../e_os.h ../../include/openssl/asn1.h
-ts_resp_utils.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
-ts_resp_utils.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
-ts_resp_utils.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
-ts_resp_utils.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
-ts_resp_utils.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
-ts_resp_utils.o: ../../include/openssl/err.h ../../include/openssl/evp.h
-ts_resp_utils.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
-ts_resp_utils.o: ../../include/openssl/objects.h
-ts_resp_utils.o: ../../include/openssl/opensslconf.h
-ts_resp_utils.o: ../../include/openssl/opensslv.h
-ts_resp_utils.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
-ts_resp_utils.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
-ts_resp_utils.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
-ts_resp_utils.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
-ts_resp_utils.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
-ts_resp_utils.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_resp_utils.c
-ts_resp_verify.o: ../../e_os.h ../../include/openssl/asn1.h
-ts_resp_verify.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
-ts_resp_verify.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
-ts_resp_verify.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
-ts_resp_verify.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
-ts_resp_verify.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
-ts_resp_verify.o: ../../include/openssl/err.h ../../include/openssl/evp.h
-ts_resp_verify.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
-ts_resp_verify.o: ../../include/openssl/objects.h
-ts_resp_verify.o: ../../include/openssl/opensslconf.h
-ts_resp_verify.o: ../../include/openssl/opensslv.h
-ts_resp_verify.o: ../../include/openssl/ossl_typ.h
-ts_resp_verify.o: ../../include/openssl/pkcs7.h ../../include/openssl/rsa.h
-ts_resp_verify.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
-ts_resp_verify.o: ../../include/openssl/stack.h
-ts_resp_verify.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
-ts_resp_verify.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
-ts_resp_verify.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_resp_verify.c
+ts_rsp_print.o: ../../e_os.h ../../include/openssl/asn1.h
+ts_rsp_print.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
+ts_rsp_print.o: ../../include/openssl/buffer.h ../../include/openssl/conf.h
+ts_rsp_print.o: ../../include/openssl/crypto.h ../../include/openssl/dh.h
+ts_rsp_print.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
+ts_rsp_print.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
+ts_rsp_print.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
+ts_rsp_print.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
+ts_rsp_print.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+ts_rsp_print.o: ../../include/openssl/opensslconf.h
+ts_rsp_print.o: ../../include/openssl/opensslv.h
+ts_rsp_print.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+ts_rsp_print.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+ts_rsp_print.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+ts_rsp_print.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
+ts_rsp_print.o: ../../include/openssl/x509_vfy.h ../../include/openssl/x509v3.h
+ts_rsp_print.o: ../cryptlib.h ts.h ts_rsp_print.c
+ts_rsp_sign.o: ../../e_os.h ../../include/openssl/asn1.h
+ts_rsp_sign.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
+ts_rsp_sign.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
+ts_rsp_sign.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+ts_rsp_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
+ts_rsp_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
+ts_rsp_sign.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+ts_rsp_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+ts_rsp_sign.o: ../../include/openssl/objects.h
+ts_rsp_sign.o: ../../include/openssl/opensslconf.h
+ts_rsp_sign.o: ../../include/openssl/opensslv.h
+ts_rsp_sign.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+ts_rsp_sign.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+ts_rsp_sign.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+ts_rsp_sign.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
+ts_rsp_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
+ts_rsp_sign.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_rsp_sign.c
+ts_rsp_utils.o: ../../e_os.h ../../include/openssl/asn1.h
+ts_rsp_utils.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
+ts_rsp_utils.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
+ts_rsp_utils.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+ts_rsp_utils.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
+ts_rsp_utils.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
+ts_rsp_utils.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+ts_rsp_utils.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+ts_rsp_utils.o: ../../include/openssl/objects.h
+ts_rsp_utils.o: ../../include/openssl/opensslconf.h
+ts_rsp_utils.o: ../../include/openssl/opensslv.h
+ts_rsp_utils.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+ts_rsp_utils.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+ts_rsp_utils.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+ts_rsp_utils.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
+ts_rsp_utils.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
+ts_rsp_utils.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_rsp_utils.c
+ts_rsp_verify.o: ../../e_os.h ../../include/openssl/asn1.h
+ts_rsp_verify.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
+ts_rsp_verify.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
+ts_rsp_verify.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+ts_rsp_verify.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
+ts_rsp_verify.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
+ts_rsp_verify.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+ts_rsp_verify.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+ts_rsp_verify.o: ../../include/openssl/objects.h
+ts_rsp_verify.o: ../../include/openssl/opensslconf.h
+ts_rsp_verify.o: ../../include/openssl/opensslv.h
+ts_rsp_verify.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+ts_rsp_verify.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+ts_rsp_verify.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+ts_rsp_verify.o: ../../include/openssl/symhacks.h ../../include/openssl/ts.h
+ts_rsp_verify.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
+ts_rsp_verify.o: ../../include/openssl/x509v3.h ../cryptlib.h ts_rsp_verify.c
ts_verify_ctx.o: ../../e_os.h ../../include/openssl/asn1.h
ts_verify_ctx.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
ts_verify_ctx.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
+++ /dev/null
-/* crypto/ts/ts_resp_print.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/objects.h>
-#include <openssl/bn.h>
-#include <openssl/x509v3.h>
-#include "ts.h"
-
-struct status_map_st
- {
- int bit;
- const char *text;
- };
-
-/* Local function declarations. */
-
-static int TS_status_map_print(BIO *bio, struct status_map_st *a,
- ASN1_BIT_STRING *v);
-static int TS_ACCURACY_print_bio(BIO *bio, TS_ACCURACY *accuracy);
-
-/* Function definitions. */
-
-int TS_RESP_print_bio(BIO *bio, TS_RESP *a)
- {
- TS_TST_INFO *tst_info;
-
- BIO_printf(bio, "Status info:\n");
- TS_STATUS_INFO_print_bio(bio, TS_RESP_get_status_info(a));
-
- BIO_printf(bio, "\nTST info:\n");
- tst_info = TS_RESP_get_tst_info(a);
- if (tst_info != NULL)
- TS_TST_INFO_print_bio(bio, TS_RESP_get_tst_info(a));
- else
- BIO_printf(bio, "Not included.\n");
-
- return 1;
- }
-
-int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a)
- {
- static const char *status_map[] =
- {
- "Granted.",
- "Granted with modifications.",
- "Rejected.",
- "Waiting.",
- "Revocation warning.",
- "Revoked."
- };
- static struct status_map_st failure_map[] =
- {
- { TS_INFO_BAD_ALG,
- "unrecognized or unsupported algorithm identifier" },
- { TS_INFO_BAD_REQUEST,
- "transaction not permitted or supported" },
- { TS_INFO_BAD_DATA_FORMAT,
- "the data submitted has the wrong format" },
- { TS_INFO_TIME_NOT_AVAILABLE,
- "the TSA's time source is not available" },
- { TS_INFO_UNACCEPTED_POLICY,
- "the requested TSA policy is not supported by the TSA" },
- { TS_INFO_UNACCEPTED_EXTENSION,
- "the requested extension is not supported by the TSA" },
- { TS_INFO_ADD_INFO_NOT_AVAILABLE,
- "the additional information requested could not be understood "
- "or is not available" },
- { TS_INFO_SYSTEM_FAILURE,
- "the request cannot be handled due to system failure" },
- { -1, NULL }
- };
- long status;
- int i, lines = 0;
-
- /* Printing status code. */
- BIO_printf(bio, "Status: ");
- status = ASN1_INTEGER_get(a->status);
- if (0 <= status && status < (long)(sizeof(status_map)/sizeof(status_map[0])))
- BIO_printf(bio, "%s\n", status_map[status]);
- else
- BIO_printf(bio, "out of bounds\n");
-
- /* Printing status description. */
- BIO_printf(bio, "Status description: ");
- for (i = 0; i < sk_ASN1_UTF8STRING_num(a->text); ++i)
- {
- if (i > 0)
- BIO_puts(bio, "\t");
- ASN1_STRING_print_ex(bio, sk_ASN1_UTF8STRING_value(a->text, i),
- 0);
- BIO_puts(bio, "\n");
- }
- if (i == 0)
- BIO_printf(bio, "unspecified\n");
-
- /* Printing failure information. */
- BIO_printf(bio, "Failure info: ");
- if (a->failure_info != NULL)
- lines = TS_status_map_print(bio, failure_map,
- a->failure_info);
- if (lines == 0)
- BIO_printf(bio, "unspecified");
- BIO_printf(bio, "\n");
-
- return 1;
- }
-
-static int TS_status_map_print(BIO *bio, struct status_map_st *a,
- ASN1_BIT_STRING *v)
- {
- int lines = 0;
-
- for (; a->bit >= 0; ++a)
- {
- if (ASN1_BIT_STRING_get_bit(v, a->bit))
- {
- if (++lines > 1)
- BIO_printf(bio, ", ");
- BIO_printf(bio, "%s", a->text);
- }
- }
-
- return lines;
- }
-
-int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a)
- {
- int v;
- ASN1_OBJECT *policy_id;
- ASN1_INTEGER *serial;
- ASN1_GENERALIZEDTIME *gtime;
- TS_ACCURACY *accuracy;
- ASN1_INTEGER *nonce;
- GENERAL_NAME *tsa_name;
-
- if (a == NULL) return 0;
-
- /* Print version. */
- v = TS_TST_INFO_get_version(a);
- BIO_printf(bio, "Version: %d\n", v);
-
- /* Print policy id. */
- BIO_printf(bio, "Policy OID: ");
- policy_id = TS_TST_INFO_get_policy_id(a);
- TS_OBJ_print_bio(bio, policy_id);
-
- /* Print message imprint. */
- TS_MSG_IMPRINT_print_bio(bio, TS_TST_INFO_get_msg_imprint(a));
-
- /* Print serial number. */
- BIO_printf(bio, "Serial number: ");
- serial = TS_TST_INFO_get_serial(a);
- if (serial == NULL)
- BIO_printf(bio, "unspecified");
- else
- TS_ASN1_INTEGER_print_bio(bio, serial);
- BIO_write(bio, "\n", 1);
-
- /* Print time stamp. */
- BIO_printf(bio, "Time stamp: ");
- gtime = TS_TST_INFO_get_time(a);
- ASN1_GENERALIZEDTIME_print(bio, gtime);
- BIO_write(bio, "\n", 1);
-
- /* Print accuracy. */
- BIO_printf(bio, "Accuracy: ");
- accuracy = TS_TST_INFO_get_accuracy(a);
- if (accuracy == NULL)
- BIO_printf(bio, "unspecified");
- else
- TS_ACCURACY_print_bio(bio, accuracy);
- BIO_write(bio, "\n", 1);
-
- /* Print ordering. */
- BIO_printf(bio, "Ordering: %s\n",
- TS_TST_INFO_get_ordering(a) ? "yes" : "no");
-
- /* Print nonce. */
- BIO_printf(bio, "Nonce: ");
- nonce = TS_TST_INFO_get_nonce(a);
- if (nonce == NULL)
- BIO_printf(bio, "unspecified");
- else
- TS_ASN1_INTEGER_print_bio(bio, nonce);
- BIO_write(bio, "\n", 1);
-
- /* Print TSA name. */
- BIO_printf(bio, "TSA: ");
- tsa_name = TS_TST_INFO_get_tsa(a);
- if (tsa_name == NULL)
- BIO_printf(bio, "unspecified");
- else
- {
- STACK_OF(CONF_VALUE) *nval;
- if ((nval = i2v_GENERAL_NAME(NULL, tsa_name, NULL)))
- X509V3_EXT_val_prn(bio, nval, 0, 0);
- sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
- }
- BIO_write(bio, "\n", 1);
-
- /* Print extensions. */
- TS_ext_print_bio(bio, TS_TST_INFO_get_exts(a));
-
- return 1;
- }
-
-static int TS_ACCURACY_print_bio(BIO *bio, TS_ACCURACY *accuracy)
- {
- ASN1_INTEGER *seconds = TS_ACCURACY_get_seconds(accuracy);
- ASN1_INTEGER *millis = TS_ACCURACY_get_millis(accuracy);
- ASN1_INTEGER *micros = TS_ACCURACY_get_micros(accuracy);
-
- if (seconds != NULL)
- TS_ASN1_INTEGER_print_bio(bio, seconds);
- else
- BIO_printf(bio, "unspecified");
- BIO_printf(bio, " seconds, ");
- if (millis != NULL)
- TS_ASN1_INTEGER_print_bio(bio, millis);
- else
- BIO_printf(bio, "unspecified");
- BIO_printf(bio, " millis, ");
- if (micros != NULL)
- TS_ASN1_INTEGER_print_bio(bio, micros);
- else
- BIO_printf(bio, "unspecified");
- BIO_printf(bio, " micros");
-
- return 1;
- }
+++ /dev/null
-/* crypto/ts/ts_resp_sign.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include "cryptlib.h"
-
-#if defined(OPENSSL_SYS_UNIX)
-#include <sys/time.h>
-#endif
-
-#include <openssl/objects.h>
-#include <openssl/ts.h>
-#include <openssl/pkcs7.h>
-
-/* Private function declarations. */
-
-static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *, void *);
-static int def_time_cb(struct TS_resp_ctx *, void *, long *sec, long *usec);
-static int def_extension_cb(struct TS_resp_ctx *, X509_EXTENSION *, void *);
-
-static void TS_RESP_CTX_init(TS_RESP_CTX *ctx);
-static void TS_RESP_CTX_cleanup(TS_RESP_CTX *ctx);
-static int TS_RESP_check_request(TS_RESP_CTX *ctx);
-static ASN1_OBJECT *TS_RESP_get_policy(TS_RESP_CTX *ctx);
-static TS_TST_INFO *TS_RESP_create_tst_info(TS_RESP_CTX *ctx,
- ASN1_OBJECT *policy);
-static int TS_RESP_process_extensions(TS_RESP_CTX *ctx);
-static int TS_RESP_sign(TS_RESP_CTX *ctx);
-
-static ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
- STACK_OF(X509) *certs);
-static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed);
-static int TS_TST_INFO_content_new(PKCS7 *p7);
-static int ESS_add_signing_cert(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc);
-
-static ASN1_GENERALIZEDTIME *TS_RESP_set_genTime_with_precision(
- ASN1_GENERALIZEDTIME *, long, long, unsigned);
-
-/* Default callbacks for response generation. */
-
-static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *ctx, void *data)
- {
- ASN1_INTEGER *serial = ASN1_INTEGER_new();
- if (!serial) goto err;
- if (!ASN1_INTEGER_set(serial, 1)) goto err;
- return serial;
- err:
- TSerr(TS_F_DEF_SERIAL_CB, ERR_R_MALLOC_FAILURE);
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Error during serial number generation.");
- return NULL;
- }
-
-#if defined(OPENSSL_SYS_UNIX)
-
-/* Use the gettimeofday function call. */
-static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
- long *sec, long *usec)
- {
- struct timeval tv;
- if (gettimeofday(&tv, NULL) != 0)
- {
- TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Time is not available.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
- return 0;
- }
- /* Return time to caller. */
- *sec = tv.tv_sec;
- *usec = tv.tv_usec;
-
- return 1;
- }
-
-#else
-
-/* Use the time function call that provides only seconds precision. */
-static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
- long *sec, long *usec)
- {
- time_t t;
- if (time(&t) == (time_t) -1)
- {
- TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Time is not available.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
- return 0;
- }
- /* Return time to caller, only second precision. */
- *sec = (long) t;
- *usec = 0;
-
- return 1;
- }
-
-#endif
-
-static int def_extension_cb(struct TS_resp_ctx *ctx, X509_EXTENSION *ext,
- void *data)
- {
- /* No extensions are processed here. */
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Unsupported extension.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_EXTENSION);
- return 0;
- }
-
-/* TS_RESP_CTX management functions. */
-
-TS_RESP_CTX *TS_RESP_CTX_new()
- {
- TS_RESP_CTX *ctx;
-
- if (!(ctx = (TS_RESP_CTX *) OPENSSL_malloc(sizeof(TS_RESP_CTX))))
- {
- TSerr(TS_F_TS_RESP_CTX_NEW, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- memset(ctx, 0, sizeof(TS_RESP_CTX));
-
- /* Setting default callbacks. */
- ctx->serial_cb = def_serial_cb;
- ctx->time_cb = def_time_cb;
- ctx->extension_cb = def_extension_cb;
-
- return ctx;
- }
-
-void TS_RESP_CTX_free(TS_RESP_CTX *ctx)
- {
- if (!ctx) return;
-
- X509_free(ctx->signer_cert);
- EVP_PKEY_free(ctx->signer_key);
- sk_X509_pop_free(ctx->certs, X509_free);
- sk_ASN1_OBJECT_pop_free(ctx->policies, ASN1_OBJECT_free);
- ASN1_OBJECT_free(ctx->default_policy);
- sk_EVP_MD_free(ctx->mds); /* No EVP_MD_free method exists. */
- ASN1_INTEGER_free(ctx->seconds);
- ASN1_INTEGER_free(ctx->millis);
- ASN1_INTEGER_free(ctx->micros);
- OPENSSL_free(ctx);
- }
-
-int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer)
- {
- if (X509_check_purpose(signer, X509_PURPOSE_TIMESTAMP_SIGN, 0) != 1)
- {
- TSerr(TS_F_TS_RESP_CTX_SET_SIGNER_CERT,
- TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE);
- return 0;
- }
- if (ctx->signer_cert) X509_free(ctx->signer_cert);
- ctx->signer_cert = signer;
- CRYPTO_add(&ctx->signer_cert->references, +1, CRYPTO_LOCK_X509);
- return 1;
- }
-
-int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key)
- {
- if (ctx->signer_key) EVP_PKEY_free(ctx->signer_key);
- ctx->signer_key = key;
- CRYPTO_add(&ctx->signer_key->references, +1, CRYPTO_LOCK_EVP_PKEY);
-
- return 1;
- }
-
-int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *def_policy)
- {
- if (ctx->default_policy) ASN1_OBJECT_free(ctx->default_policy);
- if (!(ctx->default_policy = OBJ_dup(def_policy))) goto err;
- return 1;
- err:
- TSerr(TS_F_TS_RESP_CTX_SET_DEF_POLICY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
-int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs)
- {
- int i;
-
- if (ctx->certs)
- {
- sk_X509_pop_free(ctx->certs, X509_free);
- ctx->certs = NULL;
- }
- if (!certs) return 1;
- if (!(ctx->certs = sk_X509_dup(certs)))
- {
- TSerr(TS_F_TS_RESP_CTX_SET_CERTS, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- for (i = 0; i < sk_X509_num(ctx->certs); ++i)
- {
- X509 *cert = sk_X509_value(ctx->certs, i);
- CRYPTO_add(&cert->references, +1, CRYPTO_LOCK_X509);
- }
-
- return 1;
- }
-
-int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy)
- {
- ASN1_OBJECT *copy = NULL;
-
- /* Create new policy stack if necessary. */
- if (!ctx->policies && !(ctx->policies = sk_ASN1_OBJECT_new_null()))
- goto err;
- if (!(copy = OBJ_dup(policy))) goto err;
- if (!sk_ASN1_OBJECT_push(ctx->policies, copy)) goto err;
-
- return 1;
- err:
- TSerr(TS_F_TS_RESP_CTX_ADD_POLICY, ERR_R_MALLOC_FAILURE);
- ASN1_OBJECT_free(copy);
- return 0;
- }
-
-int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md)
- {
- /* Create new md stack if necessary. */
- if (!ctx->mds && !(ctx->mds = sk_EVP_MD_new_null()))
- goto err;
- /* Add the shared md, no copy needed. */
- if (!sk_EVP_MD_push(ctx->mds, md)) goto err;
-
- return 1;
- err:
- TSerr(TS_F_TS_RESP_CTX_ADD_MD, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
-#define TS_RESP_CTX_accuracy_free(ctx) \
- ASN1_INTEGER_free(ctx->seconds); \
- ctx->seconds = NULL; \
- ASN1_INTEGER_free(ctx->millis); \
- ctx->millis = NULL; \
- ASN1_INTEGER_free(ctx->micros); \
- ctx->micros = NULL;
-
-int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
- int secs, int millis, int micros)
- {
-
- TS_RESP_CTX_accuracy_free(ctx);
- if (secs && (!(ctx->seconds = ASN1_INTEGER_new())
- || !ASN1_INTEGER_set(ctx->seconds, secs)))
- goto err;
- if (millis && (!(ctx->millis = ASN1_INTEGER_new())
- || !ASN1_INTEGER_set(ctx->millis, millis)))
- goto err;
- if (micros && (!(ctx->micros = ASN1_INTEGER_new())
- || !ASN1_INTEGER_set(ctx->micros, micros)))
- goto err;
-
- return 1;
- err:
- TS_RESP_CTX_accuracy_free(ctx);
- TSerr(TS_F_TS_RESP_CTX_SET_ACCURACY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
-void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags)
- {
- ctx->flags |= flags;
- }
-
-void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data)
- {
- ctx->serial_cb = cb;
- ctx->serial_cb_data = data;
- }
-
-void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data)
- {
- ctx->time_cb = cb;
- ctx->time_cb_data = data;
- }
-
-void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
- TS_extension_cb cb, void *data)
- {
- ctx->extension_cb = cb;
- ctx->extension_cb_data = data;
- }
-
-int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
- int status, const char *text)
- {
- TS_STATUS_INFO *si = NULL;
- ASN1_UTF8STRING *utf8_text = NULL;
- int ret = 0;
-
- if (!(si = TS_STATUS_INFO_new())) goto err;
- if (!ASN1_INTEGER_set(si->status, status)) goto err;
- if (text)
- {
- if (!(utf8_text = ASN1_UTF8STRING_new())
- || !ASN1_STRING_set(utf8_text, text, strlen(text)))
- goto err;
- if (!si->text && !(si->text = sk_ASN1_UTF8STRING_new_null()))
- goto err;
- if (!sk_ASN1_UTF8STRING_push(si->text, utf8_text)) goto err;
- utf8_text = NULL; /* Ownership is lost. */
- }
- if (!TS_RESP_set_status_info(ctx->response, si)) goto err;
- ret = 1;
- err:
- if (!ret)
- TSerr(TS_F_TS_RESP_CTX_SET_STATUS_INFO, ERR_R_MALLOC_FAILURE);
- TS_STATUS_INFO_free(si);
- ASN1_UTF8STRING_free(utf8_text);
- return ret;
- }
-
-int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
- int status, const char *text)
- {
- int ret = 1;
- TS_STATUS_INFO *si = TS_RESP_get_status_info(ctx->response);
-
- if (ASN1_INTEGER_get(si->status) == TS_STATUS_GRANTED)
- {
- /* Status has not been set, set it now. */
- ret = TS_RESP_CTX_set_status_info(ctx, status, text);
- }
- return ret;
- }
-
-int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure)
- {
- TS_STATUS_INFO *si = TS_RESP_get_status_info(ctx->response);
- if (!si->failure_info && !(si->failure_info = ASN1_BIT_STRING_new()))
- goto err;
- if (!ASN1_BIT_STRING_set_bit(si->failure_info, failure, 1))
- goto err;
- return 1;
- err:
- TSerr(TS_F_TS_RESP_CTX_ADD_FAILURE_INFO, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
-TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx)
- {
- return ctx->request;
- }
-
-TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx)
- {
- return ctx->tst_info;
- }
-
-int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx, unsigned precision)
- {
- if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
- return 0;
- ctx->clock_precision_digits = precision;
- return 1;
- }
-
-/* Main entry method of the response generation. */
-TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio)
- {
- ASN1_OBJECT *policy;
- TS_RESP *response;
- int result = 0;
-
- TS_RESP_CTX_init(ctx);
-
- /* Creating the response object. */
- if (!(ctx->response = TS_RESP_new()))
- {
- TSerr(TS_F_TS_RESP_CREATE_RESPONSE, ERR_R_MALLOC_FAILURE);
- goto end;
- }
-
- /* Parsing DER request. */
- if (!(ctx->request = d2i_TS_REQ_bio(req_bio, NULL)))
- {
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Bad request format or "
- "system error.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
- goto end;
- }
-
- /* Setting default status info. */
- if (!TS_RESP_CTX_set_status_info(ctx, TS_STATUS_GRANTED, NULL))
- goto end;
-
- /* Checking the request format. */
- if (!TS_RESP_check_request(ctx)) goto end;
-
- /* Checking acceptable policies. */
- if (!(policy = TS_RESP_get_policy(ctx))) goto end;
-
- /* Creating the TS_TST_INFO object. */
- if (!(ctx->tst_info = TS_RESP_create_tst_info(ctx, policy)))
- goto end;
-
- /* Processing extensions. */
- if (!TS_RESP_process_extensions(ctx)) goto end;
-
- /* Generating the signature. */
- if (!TS_RESP_sign(ctx)) goto end;
-
- /* Everything was successful. */
- result = 1;
- end:
- if (!result)
- {
- TSerr(TS_F_TS_RESP_CREATE_RESPONSE, TS_R_RESPONSE_SETUP_ERROR);
- TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
- "Error during response "
- "generation.");
- /* Check if the status info was set. */
- if (ctx->response
- && ASN1_INTEGER_get(
- TS_RESP_get_status_info(ctx->response)->status)
- == TS_STATUS_GRANTED)
- {
- /* Status info wasn't set, don't return a response. */
- TS_RESP_free(ctx->response);
- ctx->response = NULL;
- }
- }
- response = ctx->response;
- ctx->response = NULL; /* Ownership will be returned to caller. */
- TS_RESP_CTX_cleanup(ctx);
- return response;
- }
-
-/* Initializes the variable part of the context. */
-static void TS_RESP_CTX_init(TS_RESP_CTX *ctx)
- {
- ctx->request = NULL;
- ctx->response = NULL;
- ctx->tst_info = NULL;
- }
-
-/* Cleans up the variable part of the context. */
-static void TS_RESP_CTX_cleanup(TS_RESP_CTX *ctx)
- {
- TS_REQ_free(ctx->request);
- ctx->request = NULL;
- TS_RESP_free(ctx->response);
- ctx->response = NULL;
- TS_TST_INFO_free(ctx->tst_info);
- ctx->tst_info = NULL;
- }
-
-/* Checks the format and content of the request. */
-static int TS_RESP_check_request(TS_RESP_CTX *ctx)
- {
- TS_REQ *request = ctx->request;
- TS_MSG_IMPRINT *msg_imprint;
- X509_ALGOR *md_alg;
- int md_alg_id;
- ASN1_OCTET_STRING *digest;
- EVP_MD *md = NULL;
- int i;
-
- /* Checking request version. */
- if (TS_REQ_get_version(request) != 1)
- {
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Bad request version.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_REQUEST);
- return 0;
- }
-
- /* Checking message digest algorithm. */
- msg_imprint = TS_REQ_get_msg_imprint(request);
- md_alg = TS_MSG_IMPRINT_get_algo(msg_imprint);
- md_alg_id = OBJ_obj2nid(md_alg->algorithm);
- for (i = 0; !md && i < sk_EVP_MD_num(ctx->mds); ++i)
- {
- EVP_MD *current_md = sk_EVP_MD_value(ctx->mds, i);
- if (md_alg_id == EVP_MD_type(current_md))
- md = current_md;
- }
- if (!md)
- {
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Message digest algorithm is "
- "not supported.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
- return 0;
- }
-
- /* No message digest takes parameter. */
- if (md_alg->parameter
- && ASN1_TYPE_get(md_alg->parameter) != V_ASN1_NULL)
- {
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Superfluous message digest "
- "parameter.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
- return 0;
- }
- /* Checking message digest size. */
- digest = TS_MSG_IMPRINT_get_msg(msg_imprint);
- if (digest->length != EVP_MD_size(md))
- {
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Bad message digest.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
- return 0;
- }
-
- return 1;
- }
-
-/* Returns the TSA policy based on the rqeuested and acceptable policies. */
-static ASN1_OBJECT *TS_RESP_get_policy(TS_RESP_CTX *ctx)
- {
- ASN1_OBJECT *requested = TS_REQ_get_policy_id(ctx->request);
- ASN1_OBJECT *policy = NULL;
- int i;
-
- /* Return the default policy if none is requested or the default is
- requested. */
- if (!requested || !OBJ_cmp(requested, ctx->default_policy))
- policy = ctx->default_policy;
-
- /* Check if the policy is acceptable. */
- for (i = 0; !policy && i < sk_ASN1_OBJECT_num(ctx->policies); ++i)
- {
- ASN1_OBJECT *current = sk_ASN1_OBJECT_value(ctx->policies, i);
- if (!OBJ_cmp(requested, current))
- policy = current;
- }
- if (!policy)
- {
- TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_UNACCEPTABLE_POLICY);
- TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
- "Requested policy is not "
- "supported.");
- TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_POLICY);
- }
- return policy;
- }
-
-/* Creates the TS_TST_INFO object based on the settings of the context. */
-static TS_TST_INFO *TS_RESP_create_tst_info(TS_RESP_CTX *ctx,
- ASN1_OBJECT *policy)
- {
- int result = 0;
- TS_TST_INFO *tst_info = NULL;
- ASN1_INTEGER *serial = NULL;
- ASN1_GENERALIZEDTIME *asn1_time = NULL;
- long sec, usec;
- TS_ACCURACY *accuracy = NULL;
- ASN1_INTEGER *nonce;
- GENERAL_NAME *tsa_name = NULL;
-
- if (!(tst_info = TS_TST_INFO_new())) goto end;
- if (!TS_TST_INFO_set_version(tst_info, 1)) goto end;
- if (!TS_TST_INFO_set_policy_id(tst_info, policy)) goto end;
- if (!TS_TST_INFO_set_msg_imprint(tst_info, ctx->request->msg_imprint))
- goto end;
- if (!(serial = (*ctx->serial_cb)(ctx, ctx->serial_cb_data))
- || !TS_TST_INFO_set_serial(tst_info, serial))
- goto end;
- if (!(*ctx->time_cb)(ctx, ctx->time_cb_data, &sec, &usec)
- || !(asn1_time = TS_RESP_set_genTime_with_precision(NULL,
- sec, usec,
- ctx->clock_precision_digits))
- || !TS_TST_INFO_set_time(tst_info, asn1_time))
- goto end;
-
- /* Setting accuracy if needed. */
- if ((ctx->seconds || ctx->millis || ctx->micros)
- && !(accuracy = TS_ACCURACY_new()))
- goto end;
-
- if (ctx->seconds && !TS_ACCURACY_set_seconds(accuracy, ctx->seconds))
- goto end;
- if (ctx->millis && !TS_ACCURACY_set_millis(accuracy, ctx->millis))
- goto end;
- if (ctx->micros && !TS_ACCURACY_set_micros(accuracy, ctx->micros))
- goto end;
- if (accuracy && !TS_TST_INFO_set_accuracy(tst_info, accuracy))
- goto end;
-
- /* Setting ordering. */
- if ((ctx->flags & TS_ORDERING)
- && !TS_TST_INFO_set_ordering(tst_info, 1))
- goto end;
-
- /* Setting nonce if needed. */
- if ((nonce = TS_REQ_get_nonce(ctx->request)) != NULL
- && !TS_TST_INFO_set_nonce(tst_info, nonce))
- goto end;
-
- /* Setting TSA name to subject of signer certificate. */
- if (ctx->flags & TS_TSA_NAME)
- {
- if (!(tsa_name = GENERAL_NAME_new())) goto end;
- tsa_name->type = GEN_DIRNAME;
- tsa_name->d.dirn =
- X509_NAME_dup(ctx->signer_cert->cert_info->subject);
- if (!tsa_name->d.dirn) goto end;
- if (!TS_TST_INFO_set_tsa(tst_info, tsa_name)) goto end;
- }
-
- result = 1;
- end:
- if (!result)
- {
- TS_TST_INFO_free(tst_info);
- tst_info = NULL;
- TSerr(TS_F_TS_RESP_CREATE_TST_INFO, TS_R_TST_INFO_SETUP_ERROR);
- TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
- "Error during TSTInfo "
- "generation.");
- }
- GENERAL_NAME_free(tsa_name);
- TS_ACCURACY_free(accuracy);
- ASN1_GENERALIZEDTIME_free(asn1_time);
- ASN1_INTEGER_free(serial);
-
- return tst_info;
- }
-
-/* Processing the extensions of the request. */
-static int TS_RESP_process_extensions(TS_RESP_CTX *ctx)
- {
- STACK_OF(X509_EXTENSION) *exts = TS_REQ_get_exts(ctx->request);
- int i;
- int ok = 1;
-
- for (i = 0; ok && i < sk_X509_EXTENSION_num(exts); ++i)
- {
- X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
- ok = (*ctx->extension_cb)(ctx, ext, (void *)ctx->extension_cb);
- }
-
- return ok;
- }
-
-/* Functions for signing the TS_TST_INFO structure of the context. */
-static int TS_RESP_sign(TS_RESP_CTX *ctx)
- {
- int ret = 0;
- PKCS7 *p7 = NULL;
- PKCS7_SIGNER_INFO *si;
- STACK_OF(X509) *certs; /* Certificates to include in sc. */
- ESS_SIGNING_CERT *sc = NULL;
- ASN1_OBJECT *oid;
- BIO *p7bio = NULL;
- int i;
-
- /* Check if signcert and pkey match. */
- if (!X509_check_private_key(ctx->signer_cert, ctx->signer_key)) {
- TSerr(TS_F_TS_RESP_SIGN,
- TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
- goto err;
- }
-
- /* Create a new PKCS7 signed object. */
- if (!(p7 = PKCS7_new())) {
- TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!PKCS7_set_type(p7, NID_pkcs7_signed)) goto err;
-
- /* Force SignedData version to be 3 instead of the default 1. */
- if (!ASN1_INTEGER_set(p7->d.sign->version, 3)) goto err;
-
- /* Add signer certificate and optional certificate chain. */
- if (TS_REQ_get_cert_req(ctx->request))
- {
- PKCS7_add_certificate(p7, ctx->signer_cert);
- if (ctx->certs)
- {
- for(i = 0; i < sk_X509_num(ctx->certs); ++i)
- {
- X509 *cert = sk_X509_value(ctx->certs, i);
- PKCS7_add_certificate(p7, cert);
- }
- }
- }
-
- /* Add a new signer info. */
- if (!(si = PKCS7_add_signature(p7, ctx->signer_cert,
- ctx->signer_key, EVP_sha1())))
- {
- TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNATURE_ERROR);
- goto err;
- }
-
- /* Add content type signed attribute to the signer info. */
- oid = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
- if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
- V_ASN1_OBJECT, oid))
- {
- TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR);
- goto err;
- }
-
- /* Create the ESS SigningCertificate attribute which contains
- the signer certificate id and optionally the certificate chain. */
- certs = ctx->flags & TS_ESS_CERT_ID_CHAIN ? ctx->certs : NULL;
- if (!(sc = ESS_SIGNING_CERT_new_init(ctx->signer_cert, certs)))
- goto err;
-
- /* Add SigningCertificate signed attribute to the signer info. */
- if (!ESS_add_signing_cert(si, sc))
- {
- TSerr(TS_F_TS_RESP_SIGN, TS_R_ESS_ADD_SIGNING_CERT_ERROR);
- goto err;
- }
-
- /* Add a new empty NID_id_smime_ct_TSTInfo encapsulated content. */
- if (!TS_TST_INFO_content_new(p7)) goto err;
-
- /* Add the DER encoded tst_info to the PKCS7 structure. */
- if (!(p7bio = PKCS7_dataInit(p7, NULL))) {
- TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- /* Convert tst_info to DER. */
- if (!i2d_TS_TST_INFO_bio(p7bio, ctx->tst_info))
- {
- TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
- goto err;
- }
-
- /* Create the signature and add it to the signer info. */
- if (!PKCS7_dataFinal(p7, p7bio))
- {
- TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
- goto err;
- }
-
- /* Set new PKCS7 and TST_INFO objects. */
- TS_RESP_set_tst_info(ctx->response, p7, ctx->tst_info);
- p7 = NULL; /* Ownership is lost. */
- ctx->tst_info = NULL; /* Ownership is lost. */
-
- ret = 1;
- err:
- if (!ret)
- TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
- "Error during signature "
- "generation.");
- BIO_free_all(p7bio);
- ESS_SIGNING_CERT_free(sc);
- PKCS7_free(p7);
- return ret;
- }
-
-static ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
- STACK_OF(X509) *certs)
- {
- ESS_CERT_ID *cid;
- ESS_SIGNING_CERT *sc = NULL;
- int i;
-
- /* Creating the ESS_CERT_ID stack. */
- if (!(sc = ESS_SIGNING_CERT_new())) goto err;
- if (!sc->cert_ids && !(sc->cert_ids = sk_ESS_CERT_ID_new_null()))
- goto err;
-
- /* Adding the signing certificate id. */
- if (!(cid = ESS_CERT_ID_new_init(signcert, 0))
- || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
- goto err;
- /* Adding the certificate chain ids. */
- 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))
- || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
- goto err;
- }
-
- return sc;
-err:
- ESS_SIGNING_CERT_free(sc);
- TSerr(TS_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;
-
- /* Recompute SHA1 hash of certificate if necessary (side effect). */
- X509_check_purpose(cert, -1, 0);
-
- if (!(cid = ESS_CERT_ID_new())) goto err;
- if (!ASN1_OCTET_STRING_set(cid->hash, cert->sha1_hash,
- sizeof(cert->sha1_hash)))
- goto err;
-
- /* Setting the issuer/serial if requested. */
- if (issuer_needed)
- {
- /* Creating issuer/serial structure. */
- if (!cid->issuer_serial
- && !(cid->issuer_serial = ESS_ISSUER_SERIAL_new()))
- goto err;
- /* Creating general name from the certificate issuer. */
- if (!(name = GENERAL_NAME_new())) goto err;
- name->type = GEN_DIRNAME;
- if (!(name->d.dirn = X509_NAME_dup(cert->cert_info->issuer)))
- goto err;
- if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
- goto err;
- name = NULL; /* Ownership is lost. */
- /* Setting the serial number. */
- ASN1_INTEGER_free(cid->issuer_serial->serial);
- if (!(cid->issuer_serial->serial =
- ASN1_INTEGER_dup(cert->cert_info->serialNumber)))
- goto err;
- }
-
- return cid;
-err:
- GENERAL_NAME_free(name);
- ESS_CERT_ID_free(cid);
- TSerr(TS_F_ESS_CERT_ID_NEW_INIT, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
-static int TS_TST_INFO_content_new(PKCS7 *p7)
- {
- PKCS7 *ret = NULL;
- ASN1_OCTET_STRING *octet_string = NULL;
-
- /* Create new encapsulated NID_id_smime_ct_TSTInfo content. */
- if (!(ret = PKCS7_new())) goto err;
- if (!(ret->d.other = ASN1_TYPE_new())) goto err;
- ret->type = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
- if (!(octet_string = ASN1_OCTET_STRING_new())) goto err;
- ASN1_TYPE_set(ret->d.other, V_ASN1_OCTET_STRING, octet_string);
- octet_string = NULL;
-
- /* Add encapsulated content to signed PKCS7 structure. */
- if (!PKCS7_set_content(p7, ret)) goto err;
-
- return 1;
- err:
- ASN1_OCTET_STRING_free(octet_string);
- PKCS7_free(ret);
- return 0;
- }
-
-static int ESS_add_signing_cert(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 = (unsigned char *) OPENSSL_malloc(len)))
- {
- TSerr(TS_F_ESS_ADD_SIGNING_CERT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- p = pp;
- i2d_ESS_SIGNING_CERT(sc, &p);
- if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len))
- {
- TSerr(TS_F_ESS_ADD_SIGNING_CERT, 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;
- }
-
-
-static ASN1_GENERALIZEDTIME *
-TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *asn1_time,
- long sec, long usec, unsigned precision)
- {
- time_t time_sec = (time_t) sec;
- struct tm *tm = NULL;
- char genTime_str[17 + TS_MAX_CLOCK_PRECISION_DIGITS];
- char *p = genTime_str;
- char *p_end = genTime_str + sizeof(genTime_str);
-
- if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
- goto err;
-
-
- if (!(tm = gmtime(&time_sec)))
- goto err;
-
- /*
- * Put "genTime_str" in GeneralizedTime format. We work around the
- * restrictions imposed by rfc3280 (i.e. "GeneralizedTime values MUST
- * NOT include fractional seconds") and OpenSSL related functions to
- * meet the rfc3161 requirement: "GeneralizedTime syntax can include
- * fraction-of-second details".
- */
- p += BIO_snprintf(p, p_end - p,
- "%04d%02d%02d%02d%02d%02d",
- tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
- if (precision > 0)
- {
- /* Add fraction of seconds (leave space for dot and null). */
- BIO_snprintf(p, 2 + precision, ".%ld", usec);
- /* We cannot use the snprintf return value,
- because it might have been truncated. */
- p += strlen(p);
-
- /* To make things a bit harder, X.690 | ISO/IEC 8825-1 provides
- the following restrictions for a DER-encoding, which OpenSSL
- (specifically ASN1_GENERALIZEDTIME_check() function) doesn't
- support:
- "The encoding MUST terminate with a "Z" (which means "Zulu"
- time). The decimal point element, if present, MUST be the
- point option ".". The fractional-seconds elements,
- if present, MUST omit all trailing 0's;
- if the elements correspond to 0, they MUST be wholly
- omitted, and the decimal point element also MUST be
- omitted." */
- /* Remove trailing zeros. The dot guarantees the exit
- condition of this loop even if all the digits are zero. */
- while (*--p == '0')
- /* empty */;
- /* p points to either the dot or the last non-zero digit. */
- if (*p != '.') ++p;
- }
- /* Add the trailing Z and the terminating null. */
- *p++ = 'Z';
- *p++ = '\0';
-
- /* Now call OpenSSL to check and set our genTime value */
- if (!asn1_time && !(asn1_time = M_ASN1_GENERALIZEDTIME_new()))
- goto err;
- if (!ASN1_GENERALIZEDTIME_set_string(asn1_time, genTime_str))
- {
- ASN1_GENERALIZEDTIME_free(asn1_time);
- goto err;
- }
-
- return asn1_time;
- err:
- TSerr(TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION, TS_R_COULD_NOT_SET_TIME);
- return NULL;
- }
+++ /dev/null
-/* crypto/ts/ts_resp_utils.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/objects.h>
-#include <openssl/ts.h>
-#include <openssl/pkcs7.h>
-
-/* Function definitions. */
-
-int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *status_info)
- {
- TS_STATUS_INFO *new_status_info;
-
- if (a->status_info == status_info)
- return 1;
- new_status_info = TS_STATUS_INFO_dup(status_info);
- if (new_status_info == NULL)
- {
- TSerr(TS_F_TS_RESP_SET_STATUS_INFO, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- TS_STATUS_INFO_free(a->status_info);
- a->status_info = new_status_info;
-
- return 1;
- }
-
-TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a)
- {
- return a->status_info;
- }
-
-/* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
-void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info)
- {
- /* Set new PKCS7 and TST_INFO objects. */
- PKCS7_free(a->token);
- a->token = p7;
- TS_TST_INFO_free(a->tst_info);
- a->tst_info = tst_info;
- }
-
-PKCS7 *TS_RESP_get_token(TS_RESP *a)
- {
- return a->token;
- }
-
-TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a)
- {
- return a->tst_info;
- }
-
-int TS_TST_INFO_set_version(TS_TST_INFO *a, long version)
- {
- return ASN1_INTEGER_set(a->version, version);
- }
-
-long TS_TST_INFO_get_version(TS_TST_INFO *a)
- {
- return ASN1_INTEGER_get(a->version);
- }
-
-int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy)
- {
- ASN1_OBJECT *new_policy;
-
- if (a->policy_id == policy)
- return 1;
- new_policy = OBJ_dup(policy);
- if (new_policy == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_POLICY_ID, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ASN1_OBJECT_free(a->policy_id);
- a->policy_id = new_policy;
- return 1;
- }
-
-ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a)
- {
- return a->policy_id;
- }
-
-int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint)
- {
- TS_MSG_IMPRINT *new_msg_imprint;
-
- if (a->msg_imprint == msg_imprint)
- return 1;
- new_msg_imprint = TS_MSG_IMPRINT_dup(msg_imprint);
- if (new_msg_imprint == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_MSG_IMPRINT, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- TS_MSG_IMPRINT_free(a->msg_imprint);
- a->msg_imprint = new_msg_imprint;
- return 1;
- }
-
-TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a)
- {
- return a->msg_imprint;
- }
-
-int TS_TST_INFO_set_serial(TS_TST_INFO *a, ASN1_INTEGER *serial)
- {
- ASN1_INTEGER *new_serial;
-
- if (a->serial == serial)
- return 1;
- new_serial = ASN1_INTEGER_dup(serial);
- if (new_serial == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_SERIAL, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ASN1_INTEGER_free(a->serial);
- a->serial = new_serial;
- return 1;
- }
-
-ASN1_INTEGER *TS_TST_INFO_get_serial(TS_TST_INFO *a)
- {
- return a->serial;
- }
-
-int TS_TST_INFO_set_time(TS_TST_INFO *a, ASN1_GENERALIZEDTIME *gtime)
- {
- ASN1_GENERALIZEDTIME *new_time;
-
- if (a->time == gtime)
- return 1;
- new_time = M_ASN1_GENERALIZEDTIME_dup(gtime);
- if (new_time == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_TIME, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ASN1_GENERALIZEDTIME_free(a->time);
- a->time = new_time;
- return 1;
- }
-
-ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(TS_TST_INFO *a)
- {
- return a->time;
- }
-
-int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy)
- {
- TS_ACCURACY *new_accuracy;
-
- if (a->accuracy == accuracy)
- return 1;
- new_accuracy = TS_ACCURACY_dup(accuracy);
- if (new_accuracy == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_ACCURACY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- TS_ACCURACY_free(a->accuracy);
- a->accuracy = new_accuracy;
- return 1;
- }
-
-TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a)
- {
- return a->accuracy;
- }
-
-int TS_ACCURACY_set_seconds(TS_ACCURACY *a, ASN1_INTEGER *seconds)
- {
- ASN1_INTEGER *new_seconds;
-
- if (a->seconds == seconds)
- return 1;
- new_seconds = ASN1_INTEGER_dup(seconds);
- if (new_seconds == NULL)
- {
- TSerr(TS_F_TS_ACCURACY_SET_SECONDS, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ASN1_INTEGER_free(a->seconds);
- a->seconds = new_seconds;
- return 1;
- }
-
-ASN1_INTEGER *TS_ACCURACY_get_seconds(TS_ACCURACY *a)
- {
- return a->seconds;
- }
-
-int TS_ACCURACY_set_millis(TS_ACCURACY *a, ASN1_INTEGER *millis)
- {
- ASN1_INTEGER *new_millis = NULL;
-
- if (a->millis == millis)
- return 1;
- if (millis != NULL)
- {
- new_millis = ASN1_INTEGER_dup(millis);
- if (new_millis == NULL)
- {
- TSerr(TS_F_TS_ACCURACY_SET_MILLIS,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
- ASN1_INTEGER_free(a->millis);
- a->millis = new_millis;
- return 1;
- }
-
-ASN1_INTEGER *TS_ACCURACY_get_millis(TS_ACCURACY *a)
- {
- return a->millis;
- }
-
-int TS_ACCURACY_set_micros(TS_ACCURACY *a, ASN1_INTEGER *micros)
- {
- ASN1_INTEGER *new_micros = NULL;
-
- if (a->micros == micros)
- return 1;
- if (micros != NULL)
- {
- new_micros = ASN1_INTEGER_dup(micros);
- if (new_micros == NULL)
- {
- TSerr(TS_F_TS_ACCURACY_SET_MICROS,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
- ASN1_INTEGER_free(a->micros);
- a->micros = new_micros;
- return 1;
- }
-
-ASN1_INTEGER *TS_ACCURACY_get_micros(TS_ACCURACY *a)
- {
- return a->micros;
- }
-
-int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering)
- {
- a->ordering = ordering ? 0xFF : 0x00;
- return 1;
- }
-
-int TS_TST_INFO_get_ordering(TS_TST_INFO *a)
- {
- return a->ordering ? 1 : 0;
- }
-
-int TS_TST_INFO_set_nonce(TS_TST_INFO *a, ASN1_INTEGER *nonce)
- {
- ASN1_INTEGER *new_nonce;
-
- if (a->nonce == nonce)
- return 1;
- new_nonce = ASN1_INTEGER_dup(nonce);
- if (new_nonce == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_NONCE, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ASN1_INTEGER_free(a->nonce);
- a->nonce = new_nonce;
- return 1;
- }
-
-ASN1_INTEGER *TS_TST_INFO_get_nonce(TS_TST_INFO *a)
- {
- return a->nonce;
- }
-
-int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa)
- {
- GENERAL_NAME *new_tsa;
-
- if (a->tsa == tsa)
- return 1;
- new_tsa = GENERAL_NAME_dup(tsa);
- if (new_tsa == NULL)
- {
- TSerr(TS_F_TS_TST_INFO_SET_TSA, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- GENERAL_NAME_free(a->tsa);
- a->tsa = new_tsa;
- return 1;
- }
-
-GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a)
- {
- return a->tsa;
- }
-
-STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a)
- {
- return a->extensions;
- }
-
-void TS_TST_INFO_ext_free(TS_TST_INFO *a)
- {
- if (!a) return;
- sk_X509_EXTENSION_pop_free(a->extensions, X509_EXTENSION_free);
- a->extensions = NULL;
- }
-
-int TS_TST_INFO_get_ext_count(TS_TST_INFO *a)
- {
- return X509v3_get_ext_count(a->extensions);
- }
-
-int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos)
- {
- return X509v3_get_ext_by_NID(a->extensions, nid, lastpos);
- }
-
-int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, ASN1_OBJECT *obj, int lastpos)
- {
- return X509v3_get_ext_by_OBJ(a->extensions, obj, lastpos);
- }
-
-int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos)
- {
- return X509v3_get_ext_by_critical(a->extensions, crit, lastpos);
- }
-
-X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc)
- {
- return X509v3_get_ext(a->extensions,loc);
- }
-
-X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc)
- {
- return X509v3_delete_ext(a->extensions,loc);
- }
-
-int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc)
- {
- return X509v3_add_ext(&a->extensions,ex,loc) != NULL;
- }
-
-void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx)
- {
- return X509V3_get_d2i(a->extensions, nid, crit, idx);
- }
+++ /dev/null
-/* crypto/ts/ts_resp_verify.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/objects.h>
-#include <openssl/ts.h>
-#include <openssl/pkcs7.h>
-
-/* Private function declarations. */
-
-static int TS_verify_cert(X509_STORE *store, STACK_OF(X509) *untrusted,
- X509 *signer, STACK_OF(X509) **chain);
-static int TS_check_signing_certs(PKCS7_SIGNER_INFO *si, STACK_OF(X509) *chain);
-static ESS_SIGNING_CERT *ESS_get_signing_cert(PKCS7_SIGNER_INFO *si);
-static int TS_find_cert(STACK_OF(ESS_CERT_ID) *cert_ids, X509 *cert);
-static int TS_issuer_serial_cmp(ESS_ISSUER_SERIAL *is, X509_CINF *cinfo);
-static int _TS_RESP_verify_token(TS_VERIFY_CTX *ctx,
- PKCS7 *token, TS_TST_INFO *tst_info);
-static int TS_check_status_info(TS_RESP *response);
-static char *TS_get_status_text(STACK_OF(ASN1_UTF8STRING) *text);
-static int TS_check_policy(ASN1_OBJECT *req_oid, TS_TST_INFO *tst_info);
-static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
- X509_ALGOR **md_alg,
- unsigned char **imprint, unsigned *imprint_len);
-static int TS_check_imprints(X509_ALGOR *algor_a,
- unsigned char *imprint_a, unsigned len_a,
- TS_TST_INFO *tst_info);
-static int TS_check_nonces(ASN1_INTEGER *a, TS_TST_INFO *tst_info);
-static int TS_check_signer_name(GENERAL_NAME *tsa_name, X509 *signer);
-static int TS_find_name(STACK_OF(GENERAL_NAME) *gen_names, GENERAL_NAME *name);
-
-/*
- * Local mapping between response codes and descriptions.
- * Don't forget to change TS_STATUS_BUF_SIZE when modifying
- * the elements of this array.
- */
-static const char *TS_status_text[] =
- { "granted",
- "grantedWithMods",
- "rejection",
- "waiting",
- "revocationWarning",
- "revocationNotification" };
-
-#define TS_STATUS_TEXT_SIZE (sizeof(TS_status_text)/sizeof(*TS_status_text))
-
-/*
- * This must be greater or equal to the sum of the strings in TS_status_text
- * plus the number of its elements.
- */
-#define TS_STATUS_BUF_SIZE 256
-
-static struct
- {
- int code;
- const char *text;
- } TS_failure_info[] =
- { { TS_INFO_BAD_ALG, "badAlg" },
- { TS_INFO_BAD_REQUEST, "badRequest" },
- { TS_INFO_BAD_DATA_FORMAT, "badDataFormat" },
- { TS_INFO_TIME_NOT_AVAILABLE, "timeNotAvailable" },
- { TS_INFO_UNACCEPTED_POLICY, "unacceptedPolicy" },
- { TS_INFO_UNACCEPTED_EXTENSION, "unacceptedExtension" },
- { TS_INFO_ADD_INFO_NOT_AVAILABLE, "addInfoNotAvailable" },
- { TS_INFO_SYSTEM_FAILURE, "systemFailure" } };
-
-#define TS_FAILURE_INFO_SIZE (sizeof(TS_failure_info) / \
- sizeof(*TS_failure_info))
-
-/* Functions for verifying a signed TS_TST_INFO structure. */
-
-/*
- * This function carries out the following tasks:
- * - Checks if there is one and only one signer.
- * - Search for the signing certificate in 'certs' and in the response.
- * - Check the extended key usage and key usage fields of the signer
- * certificate (done by the path validation).
- * - Build and validate the certificate path.
- * - Check if the certificate path meets the requirements of the
- * SigningCertificate ESS signed attribute.
- * - Verify the signature value.
- * - Returns the signer certificate in 'signer', if 'signer' is not NULL.
- */
-int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
- X509_STORE *store, X509 **signer_out)
- {
- STACK_OF(PKCS7_SIGNER_INFO) *sinfos = NULL;
- PKCS7_SIGNER_INFO *si;
- STACK_OF(X509) *signers = NULL;
- X509 *signer;
- STACK_OF(X509) *chain = NULL;
- char buf[4096];
- int i, j = 0, ret = 0;
- BIO *p7bio = NULL;
-
- /* Some sanity checks first. */
- if (!token)
- {
- TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_INVALID_NULL_POINTER);
- goto err;
- }
-
- /* Check for the correct content type */
- if(!PKCS7_type_is_signed(token))
- {
- TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_WRONG_CONTENT_TYPE);
- goto err;
- }
-
- /* Check if there is one and only one signer. */
- sinfos = PKCS7_get_signer_info(token);
- if (!sinfos || sk_PKCS7_SIGNER_INFO_num(sinfos) != 1)
- {
- TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE,
- TS_R_THERE_MUST_BE_ONE_SIGNER);
- goto err;
- }
- si = sk_PKCS7_SIGNER_INFO_value(sinfos, 0);
-
- /* Check for no content: no data to verify signature. */
- if (PKCS7_get_detached(token))
- {
- TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_NO_CONTENT);
- goto err;
- }
-
- /* Get hold of the signer certificate, search only internal
- certificates if it was requested. */
- signers = PKCS7_get0_signers(token, certs, 0);
- if (!signers || sk_X509_num(signers) != 1) goto err;
- signer = sk_X509_value(signers, 0);
-
- /* Now verify the certificate. */
- if (!TS_verify_cert(store, certs, signer, &chain)) goto err;
-
- /* Check if the signer certificate is consistent with the
- ESS extension. */
- if (!TS_check_signing_certs(si, chain)) goto err;
-
- /* Creating the message digest. */
- p7bio = PKCS7_dataInit(token, NULL);
-
- /* We now have to 'read' from p7bio to calculate digests etc. */
- while ((i = BIO_read(p7bio,buf,sizeof(buf))) > 0);
-
- /* Verifying the signature. */
- j = PKCS7_signatureVerify(p7bio, token, si, signer);
- if (j <= 0)
- {
- TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_SIGNATURE_FAILURE);
- goto err;
- }
-
- /* Return the signer certificate if needed. */
- if (signer_out)
- {
- *signer_out = signer;
- CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);
- }
-
- ret = 1;
-
- err:
- BIO_free_all(p7bio);
- sk_X509_pop_free(chain, X509_free);
- sk_X509_free(signers);
-
- return ret;
- }
-
-/*
- * The certificate chain is returned in chain. Caller is responsible for
- * freeing the vector.
- */
-static int TS_verify_cert(X509_STORE *store, STACK_OF(X509) *untrusted,
- X509 *signer, STACK_OF(X509) **chain)
- {
- X509_STORE_CTX cert_ctx;
- int i;
- int ret = 1;
-
- /* chain is an out argument. */
- *chain = NULL;
- X509_STORE_CTX_init(&cert_ctx, store, signer, untrusted);
- X509_STORE_CTX_set_purpose(&cert_ctx, X509_PURPOSE_TIMESTAMP_SIGN);
- i = X509_verify_cert(&cert_ctx);
- if (i <= 0)
- {
- int j = X509_STORE_CTX_get_error(&cert_ctx);
- TSerr(TS_F_TS_VERIFY_CERT, TS_R_CERTIFICATE_VERIFY_ERROR);
- ERR_add_error_data(2, "Verify error:",
- X509_verify_cert_error_string(j));
- ret = 0;
- }
- else
- {
- /* Get a copy of the certificate chain. */
- *chain = X509_STORE_CTX_get1_chain(&cert_ctx);
- }
-
- X509_STORE_CTX_cleanup(&cert_ctx);
-
- return ret;
- }
-
-static int TS_check_signing_certs(PKCS7_SIGNER_INFO *si, STACK_OF(X509) *chain)
- {
- ESS_SIGNING_CERT *ss = ESS_get_signing_cert(si);
- STACK_OF(ESS_CERT_ID) *cert_ids = NULL;
- X509 *cert;
- int i = 0;
- int ret = 0;
-
- if (!ss) goto err;
- cert_ids = ss->cert_ids;
- /* The signer certificate must be the first in cert_ids. */
- cert = sk_X509_value(chain, 0);
- if (TS_find_cert(cert_ids, cert) != 0) goto err;
-
- /* Check the other certificates of the chain if there are more
- than one certificate ids in cert_ids. */
- if (sk_ESS_CERT_ID_num(cert_ids) > 1)
- {
- /* All the certificates of the chain must be in cert_ids. */
- for (i = 1; i < sk_X509_num(chain); ++i)
- {
- cert = sk_X509_value(chain, i);
- if (TS_find_cert(cert_ids, cert) < 0) goto err;
- }
- }
- ret = 1;
- err:
- if (!ret)
- TSerr(TS_F_TS_CHECK_SIGNING_CERTS,
- TS_R_ESS_SIGNING_CERTIFICATE_ERROR);
- ESS_SIGNING_CERT_free(ss);
- return ret;
- }
-
-static ESS_SIGNING_CERT *ESS_get_signing_cert(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);
- }
-
-/* Returns < 0 if certificate is not found, certificate index otherwise. */
-static int TS_find_cert(STACK_OF(ESS_CERT_ID) *cert_ids, X509 *cert)
- {
- int i;
-
- if (!cert_ids || !cert) return -1;
-
- /* Recompute SHA1 hash of certificate if necessary (side effect). */
- X509_check_purpose(cert, -1, 0);
-
- /* Look for cert in the cert_ids vector. */
- for (i = 0; i < sk_ESS_CERT_ID_num(cert_ids); ++i)
- {
- ESS_CERT_ID *cid = sk_ESS_CERT_ID_value(cert_ids, i);
-
- /* Check the SHA-1 hash first. */
- if (cid->hash->length == sizeof(cert->sha1_hash)
- && !memcmp(cid->hash->data, cert->sha1_hash,
- sizeof(cert->sha1_hash)))
- {
- /* Check the issuer/serial as well if specified. */
- ESS_ISSUER_SERIAL *is = cid->issuer_serial;
- if (!is || !TS_issuer_serial_cmp(is, cert->cert_info))
- return i;
- }
- }
-
- return -1;
- }
-
-static int TS_issuer_serial_cmp(ESS_ISSUER_SERIAL *is, X509_CINF *cinfo)
- {
- GENERAL_NAME *issuer;
-
- if (!is || !cinfo || sk_GENERAL_NAME_num(is->issuer) != 1) return -1;
-
- /* Check the issuer first. It must be a directory name. */
- issuer = sk_GENERAL_NAME_value(is->issuer, 0);
- if (issuer->type != GEN_DIRNAME
- || X509_NAME_cmp(issuer->d.dirn, cinfo->issuer))
- return -1;
-
- /* Check the serial number, too. */
- if (ASN1_INTEGER_cmp(is->serial, cinfo->serialNumber))
- return -1;
-
- return 0;
- }
-
-/*
- * Verifies whether 'response' contains a valid response with regards
- * to the settings of the context:
- * - Gives an error message if the TS_TST_INFO is not present.
- * - Calls _TS_RESP_verify_token to verify the token content.
- */
-int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response)
- {
- PKCS7 *token = TS_RESP_get_token(response);
- TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
- int ret = 0;
-
- /* Check if we have a successful TS_TST_INFO object in place. */
- if (!TS_check_status_info(response)) goto err;
-
- /* Check the contents of the time stamp token. */
- if (!_TS_RESP_verify_token(ctx, token, tst_info))
- goto err;
-
- ret = 1;
- err:
- return ret;
- }
-
-/*
- * Tries to extract a TS_TST_INFO structure from the PKCS7 token and
- * calls the internal _TS_RESP_verify_token function for verifying it.
- */
-int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token)
- {
- TS_TST_INFO *tst_info = PKCS7_to_TS_TST_INFO(token);
- int ret = 0;
- if (tst_info)
- {
- ret = _TS_RESP_verify_token(ctx, token, tst_info);
- TS_TST_INFO_free(tst_info);
- }
- return ret;
- }
-
-/*
- * Verifies whether the 'token' contains a valid time stamp token
- * with regards to the settings of the context. Only those checks are
- * carried out that are specified in the context:
- * - Verifies the signature of the TS_TST_INFO.
- * - Checks the version number of the response.
- * - Check if the requested and returned policies math.
- * - Check if the message imprints are the same.
- * - Check if the nonces are the same.
- * - Check if the TSA name matches the signer.
- * - Check if the TSA name is the expected TSA.
- */
-static int _TS_RESP_verify_token(TS_VERIFY_CTX *ctx,
- PKCS7 *token, TS_TST_INFO *tst_info)
- {
- X509 *signer = NULL;
- GENERAL_NAME *tsa_name = TS_TST_INFO_get_tsa(tst_info);
- X509_ALGOR *md_alg = NULL;
- unsigned char *imprint = NULL;
- unsigned imprint_len = 0;
- int ret = 0;
-
- /* Verify the signature. */
- if ((ctx->flags & TS_VFY_SIGNATURE)
- && !TS_RESP_verify_signature(token, ctx->certs, ctx->store,
- &signer))
- goto err;
-
- /* Check version number of response. */
- if ((ctx->flags & TS_VFY_VERSION)
- && TS_TST_INFO_get_version(tst_info) != 1)
- {
- TSerr(TS_F_TS_VERIFY, TS_R_UNSUPPORTED_VERSION);
- goto err;
- }
-
- /* Check policies. */
- if ((ctx->flags & TS_VFY_POLICY)
- && !TS_check_policy(ctx->policy, tst_info))
- goto err;
-
- /* Check message imprints. */
- if ((ctx->flags & TS_VFY_IMPRINT)
- && !TS_check_imprints(ctx->md_alg, ctx->imprint, ctx->imprint_len,
- tst_info))
- goto err;
-
- /* Compute and check message imprints. */
- if ((ctx->flags & TS_VFY_DATA)
- && (!TS_compute_imprint(ctx->data, tst_info,
- &md_alg, &imprint, &imprint_len)
- || !TS_check_imprints(md_alg, imprint, imprint_len, tst_info)))
- goto err;
-
- /* Check nonces. */
- if ((ctx->flags & TS_VFY_NONCE)
- && !TS_check_nonces(ctx->nonce, tst_info))
- goto err;
-
- /* Check whether TSA name and signer certificate match. */
- if ((ctx->flags & TS_VFY_SIGNER)
- && tsa_name && !TS_check_signer_name(tsa_name, signer))
- {
- TSerr(TS_F_TS_RESP_VERIFY_TOKEN, TS_R_TSA_NAME_MISMATCH);
- goto err;
- }
-
- /* Check whether the TSA is the expected one. */
- if ((ctx->flags & TS_VFY_TSA_NAME)
- && !TS_check_signer_name(ctx->tsa_name, signer))
- {
- TSerr(TS_F_TS_RESP_VERIFY_TOKEN, TS_R_TSA_UNTRUSTED);
- goto err;
- }
-
- ret = 1;
- err:
- X509_free(signer);
- X509_ALGOR_free(md_alg);
- OPENSSL_free(imprint);
- return ret;
- }
-
-static int TS_check_status_info(TS_RESP *response)
- {
- TS_STATUS_INFO *info = TS_RESP_get_status_info(response);
- long status = ASN1_INTEGER_get(info->status);
- const char *status_text = NULL;
- char *embedded_status_text = NULL;
- char failure_text[TS_STATUS_BUF_SIZE] = "";
-
- /* Check if everything went fine. */
- if (status == 0 || status == 1) return 1;
-
- /* There was an error, get the description in status_text. */
- if (0 <= status && status < (long)TS_STATUS_TEXT_SIZE)
- status_text = TS_status_text[status];
- else
- status_text = "unknown code";
-
- /* Set the embedded_status_text to the returned description. */
- if (sk_ASN1_UTF8STRING_num(info->text) > 0
- && !(embedded_status_text = TS_get_status_text(info->text)))
- return 0;
-
- /* Filling in failure_text with the failure information. */
- if (info->failure_info)
- {
- int i;
- int first = 1;
- for (i = 0; i < (int)TS_FAILURE_INFO_SIZE; ++i)
- {
- if (ASN1_BIT_STRING_get_bit(info->failure_info,
- TS_failure_info[i].code))
- {
- if (!first)
- strcpy(failure_text, ",");
- else
- first = 0;
- strcat(failure_text, TS_failure_info[i].text);
- }
- }
- }
- if (failure_text[0] == '\0')
- strcpy(failure_text, "unspecified");
-
- /* Making up the error string. */
- TSerr(TS_F_TS_CHECK_STATUS_INFO, TS_R_NO_TIME_STAMP_TOKEN);
- ERR_add_error_data(6,
- "status code: ", status_text,
- ", status text: ", embedded_status_text ?
- embedded_status_text : "unspecified",
- ", failure codes: ", failure_text);
- OPENSSL_free(embedded_status_text);
-
- return 0;
- }
-
-static char *TS_get_status_text(STACK_OF(ASN1_UTF8STRING) *text)
- {
- int i;
- unsigned int length = 0;
- char *result = NULL;
- char *p;
-
- /* Determine length first. */
- for (i = 0; i < sk_ASN1_UTF8STRING_num(text); ++i)
- {
- ASN1_UTF8STRING *current = sk_ASN1_UTF8STRING_value(text, i);
- length += ASN1_STRING_length(current);
- length += 1; /* separator character */
- }
- /* Allocate memory (closing '\0' included). */
- if (!(result = OPENSSL_malloc(length)))
- {
- TSerr(TS_F_TS_GET_STATUS_TEXT, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- /* Concatenate the descriptions. */
- for (i = 0, p = result; i < sk_ASN1_UTF8STRING_num(text); ++i)
- {
- ASN1_UTF8STRING *current = sk_ASN1_UTF8STRING_value(text, i);
- length = ASN1_STRING_length(current);
- if (i > 0) *p++ = '/';
- strncpy(p, (const char *)ASN1_STRING_data(current), length);
- p += length;
- }
- /* We do have space for this, too. */
- *p = '\0';
-
- return result;
- }
-
-static int TS_check_policy(ASN1_OBJECT *req_oid, TS_TST_INFO *tst_info)
- {
- ASN1_OBJECT *resp_oid = TS_TST_INFO_get_policy_id(tst_info);
-
- if (OBJ_cmp(req_oid, resp_oid) != 0)
- {
- TSerr(TS_F_TS_CHECK_POLICY, TS_R_POLICY_MISMATCH);
- return 0;
- }
-
- return 1;
- }
-
-static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
- X509_ALGOR **md_alg,
- unsigned char **imprint, unsigned *imprint_len)
- {
- TS_MSG_IMPRINT *msg_imprint = TS_TST_INFO_get_msg_imprint(tst_info);
- X509_ALGOR *md_alg_resp = TS_MSG_IMPRINT_get_algo(msg_imprint);
- const EVP_MD *md;
- EVP_MD_CTX md_ctx;
- unsigned char buffer[4096];
- int length;
-
- *md_alg = NULL;
- *imprint = NULL;
-
- /* Return the MD algorithm of the response. */
- if (!(*md_alg = X509_ALGOR_dup(md_alg_resp))) goto err;
-
- /* Getting the MD object. */
- if (!(md = EVP_get_digestbyobj((*md_alg)->algorithm)))
- {
- TSerr(TS_F_TS_COMPUTE_IMPRINT, TS_R_UNSUPPORTED_MD_ALGORITHM);
- goto err;
- }
-
- /* Compute message digest. */
- *imprint_len = EVP_MD_size(md);
- if (!(*imprint = OPENSSL_malloc(*imprint_len)))
- {
- TSerr(TS_F_TS_COMPUTE_IMPRINT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- EVP_DigestInit(&md_ctx, md);
- while ((length = BIO_read(data, buffer, sizeof(buffer))) > 0)
- {
- EVP_DigestUpdate(&md_ctx, buffer, length);
- }
- EVP_DigestFinal(&md_ctx, *imprint, NULL);
-
- return 1;
- err:
- X509_ALGOR_free(*md_alg);
- OPENSSL_free(*imprint);
- *imprint_len = 0;
- return 0;
- }
-
-static int TS_check_imprints(X509_ALGOR *algor_a,
- unsigned char *imprint_a, unsigned len_a,
- TS_TST_INFO *tst_info)
- {
- TS_MSG_IMPRINT *b = TS_TST_INFO_get_msg_imprint(tst_info);
- X509_ALGOR *algor_b = TS_MSG_IMPRINT_get_algo(b);
- int ret = 0;
-
- /* algor_a is optional. */
- if (algor_a)
- {
- /* Compare algorithm OIDs. */
- if (OBJ_cmp(algor_a->algorithm, algor_b->algorithm)) goto err;
-
- /* The parameter must be NULL in both. */
- if ((algor_a->parameter
- && ASN1_TYPE_get(algor_a->parameter) != V_ASN1_NULL)
- || (algor_b->parameter
- && ASN1_TYPE_get(algor_b->parameter) != V_ASN1_NULL))
- goto err;
- }
-
- /* Compare octet strings. */
- ret = len_a == (unsigned) ASN1_STRING_length(b->hashed_msg) &&
- memcmp(imprint_a, ASN1_STRING_data(b->hashed_msg), len_a) == 0;
- err:
- if (!ret)
- TSerr(TS_F_TS_CHECK_IMPRINTS, TS_R_MESSAGE_IMPRINT_MISMATCH);
- return ret;
- }
-
-static int TS_check_nonces(ASN1_INTEGER *a, TS_TST_INFO *tst_info)
- {
- ASN1_INTEGER *b = TS_TST_INFO_get_nonce(tst_info);
-
- /* Error if nonce is missing. */
- if (!b)
- {
- TSerr(TS_F_TS_CHECK_NONCES, TS_R_NONCE_NOT_RETURNED);
- return 0;
- }
-
- /* No error if a nonce is returned without being requested. */
- if (ASN1_INTEGER_cmp(a, b) != 0)
- {
- TSerr(TS_F_TS_CHECK_NONCES, TS_R_NONCE_MISMATCH);
- return 0;
- }
-
- return 1;
- }
-
-/* Check if the specified TSA name matches either the subject
- or one of the subject alternative names of the TSA certificate. */
-static int TS_check_signer_name(GENERAL_NAME *tsa_name, X509 *signer)
- {
- STACK_OF(GENERAL_NAME) *gen_names = NULL;
- int idx = -1;
- int found = 0;
-
- /* Check the subject name first. */
- if (tsa_name->type == GEN_DIRNAME
- && X509_name_cmp(tsa_name->d.dirn, signer->cert_info->subject) == 0)
- return 1;
-
- /* Check all the alternative names. */
- gen_names = X509_get_ext_d2i(signer, NID_subject_alt_name,
- NULL, &idx);
- while (gen_names != NULL
- && !(found = TS_find_name(gen_names, tsa_name) >= 0))
- {
- /* Get the next subject alternative name,
- although there should be no more than one. */
- GENERAL_NAMES_free(gen_names);
- gen_names = X509_get_ext_d2i(signer, NID_subject_alt_name,
- NULL, &idx);
- }
- if (gen_names) GENERAL_NAMES_free(gen_names);
-
- return found;
- }
-
-/* Returns 1 if name is in gen_names, 0 otherwise. */
-static int TS_find_name(STACK_OF(GENERAL_NAME) *gen_names, GENERAL_NAME *name)
- {
- int i, found;
- for (i = 0, found = 0; !found && i < sk_GENERAL_NAME_num(gen_names);
- ++i)
- {
- GENERAL_NAME *current = sk_GENERAL_NAME_value(gen_names, i);
- found = GENERAL_NAME_cmp(current, name) == 0;
- }
- return found ? i - 1 : -1;
- }
--- /dev/null
+/* crypto/ts/ts_resp_print.c */
+/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/objects.h>
+#include <openssl/bn.h>
+#include <openssl/x509v3.h>
+#include "ts.h"
+
+struct status_map_st
+ {
+ int bit;
+ const char *text;
+ };
+
+/* Local function declarations. */
+
+static int TS_status_map_print(BIO *bio, struct status_map_st *a,
+ ASN1_BIT_STRING *v);
+static int TS_ACCURACY_print_bio(BIO *bio, TS_ACCURACY *accuracy);
+
+/* Function definitions. */
+
+int TS_RESP_print_bio(BIO *bio, TS_RESP *a)
+ {
+ TS_TST_INFO *tst_info;
+
+ BIO_printf(bio, "Status info:\n");
+ TS_STATUS_INFO_print_bio(bio, TS_RESP_get_status_info(a));
+
+ BIO_printf(bio, "\nTST info:\n");
+ tst_info = TS_RESP_get_tst_info(a);
+ if (tst_info != NULL)
+ TS_TST_INFO_print_bio(bio, TS_RESP_get_tst_info(a));
+ else
+ BIO_printf(bio, "Not included.\n");
+
+ return 1;
+ }
+
+int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a)
+ {
+ static const char *status_map[] =
+ {
+ "Granted.",
+ "Granted with modifications.",
+ "Rejected.",
+ "Waiting.",
+ "Revocation warning.",
+ "Revoked."
+ };
+ static struct status_map_st failure_map[] =
+ {
+ { TS_INFO_BAD_ALG,
+ "unrecognized or unsupported algorithm identifier" },
+ { TS_INFO_BAD_REQUEST,
+ "transaction not permitted or supported" },
+ { TS_INFO_BAD_DATA_FORMAT,
+ "the data submitted has the wrong format" },
+ { TS_INFO_TIME_NOT_AVAILABLE,
+ "the TSA's time source is not available" },
+ { TS_INFO_UNACCEPTED_POLICY,
+ "the requested TSA policy is not supported by the TSA" },
+ { TS_INFO_UNACCEPTED_EXTENSION,
+ "the requested extension is not supported by the TSA" },
+ { TS_INFO_ADD_INFO_NOT_AVAILABLE,
+ "the additional information requested could not be understood "
+ "or is not available" },
+ { TS_INFO_SYSTEM_FAILURE,
+ "the request cannot be handled due to system failure" },
+ { -1, NULL }
+ };
+ long status;
+ int i, lines = 0;
+
+ /* Printing status code. */
+ BIO_printf(bio, "Status: ");
+ status = ASN1_INTEGER_get(a->status);
+ if (0 <= status && status < (long)(sizeof(status_map)/sizeof(status_map[0])))
+ BIO_printf(bio, "%s\n", status_map[status]);
+ else
+ BIO_printf(bio, "out of bounds\n");
+
+ /* Printing status description. */
+ BIO_printf(bio, "Status description: ");
+ for (i = 0; i < sk_ASN1_UTF8STRING_num(a->text); ++i)
+ {
+ if (i > 0)
+ BIO_puts(bio, "\t");
+ ASN1_STRING_print_ex(bio, sk_ASN1_UTF8STRING_value(a->text, i),
+ 0);
+ BIO_puts(bio, "\n");
+ }
+ if (i == 0)
+ BIO_printf(bio, "unspecified\n");
+
+ /* Printing failure information. */
+ BIO_printf(bio, "Failure info: ");
+ if (a->failure_info != NULL)
+ lines = TS_status_map_print(bio, failure_map,
+ a->failure_info);
+ if (lines == 0)
+ BIO_printf(bio, "unspecified");
+ BIO_printf(bio, "\n");
+
+ return 1;
+ }
+
+static int TS_status_map_print(BIO *bio, struct status_map_st *a,
+ ASN1_BIT_STRING *v)
+ {
+ int lines = 0;
+
+ for (; a->bit >= 0; ++a)
+ {
+ if (ASN1_BIT_STRING_get_bit(v, a->bit))
+ {
+ if (++lines > 1)
+ BIO_printf(bio, ", ");
+ BIO_printf(bio, "%s", a->text);
+ }
+ }
+
+ return lines;
+ }
+
+int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a)
+ {
+ int v;
+ ASN1_OBJECT *policy_id;
+ ASN1_INTEGER *serial;
+ ASN1_GENERALIZEDTIME *gtime;
+ TS_ACCURACY *accuracy;
+ ASN1_INTEGER *nonce;
+ GENERAL_NAME *tsa_name;
+
+ if (a == NULL) return 0;
+
+ /* Print version. */
+ v = TS_TST_INFO_get_version(a);
+ BIO_printf(bio, "Version: %d\n", v);
+
+ /* Print policy id. */
+ BIO_printf(bio, "Policy OID: ");
+ policy_id = TS_TST_INFO_get_policy_id(a);
+ TS_OBJ_print_bio(bio, policy_id);
+
+ /* Print message imprint. */
+ TS_MSG_IMPRINT_print_bio(bio, TS_TST_INFO_get_msg_imprint(a));
+
+ /* Print serial number. */
+ BIO_printf(bio, "Serial number: ");
+ serial = TS_TST_INFO_get_serial(a);
+ if (serial == NULL)
+ BIO_printf(bio, "unspecified");
+ else
+ TS_ASN1_INTEGER_print_bio(bio, serial);
+ BIO_write(bio, "\n", 1);
+
+ /* Print time stamp. */
+ BIO_printf(bio, "Time stamp: ");
+ gtime = TS_TST_INFO_get_time(a);
+ ASN1_GENERALIZEDTIME_print(bio, gtime);
+ BIO_write(bio, "\n", 1);
+
+ /* Print accuracy. */
+ BIO_printf(bio, "Accuracy: ");
+ accuracy = TS_TST_INFO_get_accuracy(a);
+ if (accuracy == NULL)
+ BIO_printf(bio, "unspecified");
+ else
+ TS_ACCURACY_print_bio(bio, accuracy);
+ BIO_write(bio, "\n", 1);
+
+ /* Print ordering. */
+ BIO_printf(bio, "Ordering: %s\n",
+ TS_TST_INFO_get_ordering(a) ? "yes" : "no");
+
+ /* Print nonce. */
+ BIO_printf(bio, "Nonce: ");
+ nonce = TS_TST_INFO_get_nonce(a);
+ if (nonce == NULL)
+ BIO_printf(bio, "unspecified");
+ else
+ TS_ASN1_INTEGER_print_bio(bio, nonce);
+ BIO_write(bio, "\n", 1);
+
+ /* Print TSA name. */
+ BIO_printf(bio, "TSA: ");
+ tsa_name = TS_TST_INFO_get_tsa(a);
+ if (tsa_name == NULL)
+ BIO_printf(bio, "unspecified");
+ else
+ {
+ STACK_OF(CONF_VALUE) *nval;
+ if ((nval = i2v_GENERAL_NAME(NULL, tsa_name, NULL)))
+ X509V3_EXT_val_prn(bio, nval, 0, 0);
+ sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
+ }
+ BIO_write(bio, "\n", 1);
+
+ /* Print extensions. */
+ TS_ext_print_bio(bio, TS_TST_INFO_get_exts(a));
+
+ return 1;
+ }
+
+static int TS_ACCURACY_print_bio(BIO *bio, TS_ACCURACY *accuracy)
+ {
+ ASN1_INTEGER *seconds = TS_ACCURACY_get_seconds(accuracy);
+ ASN1_INTEGER *millis = TS_ACCURACY_get_millis(accuracy);
+ ASN1_INTEGER *micros = TS_ACCURACY_get_micros(accuracy);
+
+ if (seconds != NULL)
+ TS_ASN1_INTEGER_print_bio(bio, seconds);
+ else
+ BIO_printf(bio, "unspecified");
+ BIO_printf(bio, " seconds, ");
+ if (millis != NULL)
+ TS_ASN1_INTEGER_print_bio(bio, millis);
+ else
+ BIO_printf(bio, "unspecified");
+ BIO_printf(bio, " millis, ");
+ if (micros != NULL)
+ TS_ASN1_INTEGER_print_bio(bio, micros);
+ else
+ BIO_printf(bio, "unspecified");
+ BIO_printf(bio, " micros");
+
+ return 1;
+ }
--- /dev/null
+/* crypto/ts/ts_resp_sign.c */
+/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "cryptlib.h"
+
+#if defined(OPENSSL_SYS_UNIX)
+#include <sys/time.h>
+#endif
+
+#include <openssl/objects.h>
+#include <openssl/ts.h>
+#include <openssl/pkcs7.h>
+
+/* Private function declarations. */
+
+static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *, void *);
+static int def_time_cb(struct TS_resp_ctx *, void *, long *sec, long *usec);
+static int def_extension_cb(struct TS_resp_ctx *, X509_EXTENSION *, void *);
+
+static void TS_RESP_CTX_init(TS_RESP_CTX *ctx);
+static void TS_RESP_CTX_cleanup(TS_RESP_CTX *ctx);
+static int TS_RESP_check_request(TS_RESP_CTX *ctx);
+static ASN1_OBJECT *TS_RESP_get_policy(TS_RESP_CTX *ctx);
+static TS_TST_INFO *TS_RESP_create_tst_info(TS_RESP_CTX *ctx,
+ ASN1_OBJECT *policy);
+static int TS_RESP_process_extensions(TS_RESP_CTX *ctx);
+static int TS_RESP_sign(TS_RESP_CTX *ctx);
+
+static ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
+ STACK_OF(X509) *certs);
+static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed);
+static int TS_TST_INFO_content_new(PKCS7 *p7);
+static int ESS_add_signing_cert(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc);
+
+static ASN1_GENERALIZEDTIME *TS_RESP_set_genTime_with_precision(
+ ASN1_GENERALIZEDTIME *, long, long, unsigned);
+
+/* Default callbacks for response generation. */
+
+static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *ctx, void *data)
+ {
+ ASN1_INTEGER *serial = ASN1_INTEGER_new();
+ if (!serial) goto err;
+ if (!ASN1_INTEGER_set(serial, 1)) goto err;
+ return serial;
+ err:
+ TSerr(TS_F_DEF_SERIAL_CB, ERR_R_MALLOC_FAILURE);
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Error during serial number generation.");
+ return NULL;
+ }
+
+#if defined(OPENSSL_SYS_UNIX)
+
+/* Use the gettimeofday function call. */
+static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
+ long *sec, long *usec)
+ {
+ struct timeval tv;
+ if (gettimeofday(&tv, NULL) != 0)
+ {
+ TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Time is not available.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
+ return 0;
+ }
+ /* Return time to caller. */
+ *sec = tv.tv_sec;
+ *usec = tv.tv_usec;
+
+ return 1;
+ }
+
+#else
+
+/* Use the time function call that provides only seconds precision. */
+static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
+ long *sec, long *usec)
+ {
+ time_t t;
+ if (time(&t) == (time_t) -1)
+ {
+ TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Time is not available.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
+ return 0;
+ }
+ /* Return time to caller, only second precision. */
+ *sec = (long) t;
+ *usec = 0;
+
+ return 1;
+ }
+
+#endif
+
+static int def_extension_cb(struct TS_resp_ctx *ctx, X509_EXTENSION *ext,
+ void *data)
+ {
+ /* No extensions are processed here. */
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Unsupported extension.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_EXTENSION);
+ return 0;
+ }
+
+/* TS_RESP_CTX management functions. */
+
+TS_RESP_CTX *TS_RESP_CTX_new()
+ {
+ TS_RESP_CTX *ctx;
+
+ if (!(ctx = (TS_RESP_CTX *) OPENSSL_malloc(sizeof(TS_RESP_CTX))))
+ {
+ TSerr(TS_F_TS_RESP_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ memset(ctx, 0, sizeof(TS_RESP_CTX));
+
+ /* Setting default callbacks. */
+ ctx->serial_cb = def_serial_cb;
+ ctx->time_cb = def_time_cb;
+ ctx->extension_cb = def_extension_cb;
+
+ return ctx;
+ }
+
+void TS_RESP_CTX_free(TS_RESP_CTX *ctx)
+ {
+ if (!ctx) return;
+
+ X509_free(ctx->signer_cert);
+ EVP_PKEY_free(ctx->signer_key);
+ sk_X509_pop_free(ctx->certs, X509_free);
+ sk_ASN1_OBJECT_pop_free(ctx->policies, ASN1_OBJECT_free);
+ ASN1_OBJECT_free(ctx->default_policy);
+ sk_EVP_MD_free(ctx->mds); /* No EVP_MD_free method exists. */
+ ASN1_INTEGER_free(ctx->seconds);
+ ASN1_INTEGER_free(ctx->millis);
+ ASN1_INTEGER_free(ctx->micros);
+ OPENSSL_free(ctx);
+ }
+
+int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer)
+ {
+ if (X509_check_purpose(signer, X509_PURPOSE_TIMESTAMP_SIGN, 0) != 1)
+ {
+ TSerr(TS_F_TS_RESP_CTX_SET_SIGNER_CERT,
+ TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE);
+ return 0;
+ }
+ if (ctx->signer_cert) X509_free(ctx->signer_cert);
+ ctx->signer_cert = signer;
+ CRYPTO_add(&ctx->signer_cert->references, +1, CRYPTO_LOCK_X509);
+ return 1;
+ }
+
+int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key)
+ {
+ if (ctx->signer_key) EVP_PKEY_free(ctx->signer_key);
+ ctx->signer_key = key;
+ CRYPTO_add(&ctx->signer_key->references, +1, CRYPTO_LOCK_EVP_PKEY);
+
+ return 1;
+ }
+
+int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *def_policy)
+ {
+ if (ctx->default_policy) ASN1_OBJECT_free(ctx->default_policy);
+ if (!(ctx->default_policy = OBJ_dup(def_policy))) goto err;
+ return 1;
+ err:
+ TSerr(TS_F_TS_RESP_CTX_SET_DEF_POLICY, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs)
+ {
+ int i;
+
+ if (ctx->certs)
+ {
+ sk_X509_pop_free(ctx->certs, X509_free);
+ ctx->certs = NULL;
+ }
+ if (!certs) return 1;
+ if (!(ctx->certs = sk_X509_dup(certs)))
+ {
+ TSerr(TS_F_TS_RESP_CTX_SET_CERTS, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ for (i = 0; i < sk_X509_num(ctx->certs); ++i)
+ {
+ X509 *cert = sk_X509_value(ctx->certs, i);
+ CRYPTO_add(&cert->references, +1, CRYPTO_LOCK_X509);
+ }
+
+ return 1;
+ }
+
+int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy)
+ {
+ ASN1_OBJECT *copy = NULL;
+
+ /* Create new policy stack if necessary. */
+ if (!ctx->policies && !(ctx->policies = sk_ASN1_OBJECT_new_null()))
+ goto err;
+ if (!(copy = OBJ_dup(policy))) goto err;
+ if (!sk_ASN1_OBJECT_push(ctx->policies, copy)) goto err;
+
+ return 1;
+ err:
+ TSerr(TS_F_TS_RESP_CTX_ADD_POLICY, ERR_R_MALLOC_FAILURE);
+ ASN1_OBJECT_free(copy);
+ return 0;
+ }
+
+int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md)
+ {
+ /* Create new md stack if necessary. */
+ if (!ctx->mds && !(ctx->mds = sk_EVP_MD_new_null()))
+ goto err;
+ /* Add the shared md, no copy needed. */
+ if (!sk_EVP_MD_push(ctx->mds, md)) goto err;
+
+ return 1;
+ err:
+ TSerr(TS_F_TS_RESP_CTX_ADD_MD, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+#define TS_RESP_CTX_accuracy_free(ctx) \
+ ASN1_INTEGER_free(ctx->seconds); \
+ ctx->seconds = NULL; \
+ ASN1_INTEGER_free(ctx->millis); \
+ ctx->millis = NULL; \
+ ASN1_INTEGER_free(ctx->micros); \
+ ctx->micros = NULL;
+
+int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
+ int secs, int millis, int micros)
+ {
+
+ TS_RESP_CTX_accuracy_free(ctx);
+ if (secs && (!(ctx->seconds = ASN1_INTEGER_new())
+ || !ASN1_INTEGER_set(ctx->seconds, secs)))
+ goto err;
+ if (millis && (!(ctx->millis = ASN1_INTEGER_new())
+ || !ASN1_INTEGER_set(ctx->millis, millis)))
+ goto err;
+ if (micros && (!(ctx->micros = ASN1_INTEGER_new())
+ || !ASN1_INTEGER_set(ctx->micros, micros)))
+ goto err;
+
+ return 1;
+ err:
+ TS_RESP_CTX_accuracy_free(ctx);
+ TSerr(TS_F_TS_RESP_CTX_SET_ACCURACY, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags)
+ {
+ ctx->flags |= flags;
+ }
+
+void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data)
+ {
+ ctx->serial_cb = cb;
+ ctx->serial_cb_data = data;
+ }
+
+void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data)
+ {
+ ctx->time_cb = cb;
+ ctx->time_cb_data = data;
+ }
+
+void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
+ TS_extension_cb cb, void *data)
+ {
+ ctx->extension_cb = cb;
+ ctx->extension_cb_data = data;
+ }
+
+int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
+ int status, const char *text)
+ {
+ TS_STATUS_INFO *si = NULL;
+ ASN1_UTF8STRING *utf8_text = NULL;
+ int ret = 0;
+
+ if (!(si = TS_STATUS_INFO_new())) goto err;
+ if (!ASN1_INTEGER_set(si->status, status)) goto err;
+ if (text)
+ {
+ if (!(utf8_text = ASN1_UTF8STRING_new())
+ || !ASN1_STRING_set(utf8_text, text, strlen(text)))
+ goto err;
+ if (!si->text && !(si->text = sk_ASN1_UTF8STRING_new_null()))
+ goto err;
+ if (!sk_ASN1_UTF8STRING_push(si->text, utf8_text)) goto err;
+ utf8_text = NULL; /* Ownership is lost. */
+ }
+ if (!TS_RESP_set_status_info(ctx->response, si)) goto err;
+ ret = 1;
+ err:
+ if (!ret)
+ TSerr(TS_F_TS_RESP_CTX_SET_STATUS_INFO, ERR_R_MALLOC_FAILURE);
+ TS_STATUS_INFO_free(si);
+ ASN1_UTF8STRING_free(utf8_text);
+ return ret;
+ }
+
+int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
+ int status, const char *text)
+ {
+ int ret = 1;
+ TS_STATUS_INFO *si = TS_RESP_get_status_info(ctx->response);
+
+ if (ASN1_INTEGER_get(si->status) == TS_STATUS_GRANTED)
+ {
+ /* Status has not been set, set it now. */
+ ret = TS_RESP_CTX_set_status_info(ctx, status, text);
+ }
+ return ret;
+ }
+
+int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure)
+ {
+ TS_STATUS_INFO *si = TS_RESP_get_status_info(ctx->response);
+ if (!si->failure_info && !(si->failure_info = ASN1_BIT_STRING_new()))
+ goto err;
+ if (!ASN1_BIT_STRING_set_bit(si->failure_info, failure, 1))
+ goto err;
+ return 1;
+ err:
+ TSerr(TS_F_TS_RESP_CTX_ADD_FAILURE_INFO, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx)
+ {
+ return ctx->request;
+ }
+
+TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx)
+ {
+ return ctx->tst_info;
+ }
+
+int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx, unsigned precision)
+ {
+ if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
+ return 0;
+ ctx->clock_precision_digits = precision;
+ return 1;
+ }
+
+/* Main entry method of the response generation. */
+TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio)
+ {
+ ASN1_OBJECT *policy;
+ TS_RESP *response;
+ int result = 0;
+
+ TS_RESP_CTX_init(ctx);
+
+ /* Creating the response object. */
+ if (!(ctx->response = TS_RESP_new()))
+ {
+ TSerr(TS_F_TS_RESP_CREATE_RESPONSE, ERR_R_MALLOC_FAILURE);
+ goto end;
+ }
+
+ /* Parsing DER request. */
+ if (!(ctx->request = d2i_TS_REQ_bio(req_bio, NULL)))
+ {
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Bad request format or "
+ "system error.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
+ goto end;
+ }
+
+ /* Setting default status info. */
+ if (!TS_RESP_CTX_set_status_info(ctx, TS_STATUS_GRANTED, NULL))
+ goto end;
+
+ /* Checking the request format. */
+ if (!TS_RESP_check_request(ctx)) goto end;
+
+ /* Checking acceptable policies. */
+ if (!(policy = TS_RESP_get_policy(ctx))) goto end;
+
+ /* Creating the TS_TST_INFO object. */
+ if (!(ctx->tst_info = TS_RESP_create_tst_info(ctx, policy)))
+ goto end;
+
+ /* Processing extensions. */
+ if (!TS_RESP_process_extensions(ctx)) goto end;
+
+ /* Generating the signature. */
+ if (!TS_RESP_sign(ctx)) goto end;
+
+ /* Everything was successful. */
+ result = 1;
+ end:
+ if (!result)
+ {
+ TSerr(TS_F_TS_RESP_CREATE_RESPONSE, TS_R_RESPONSE_SETUP_ERROR);
+ TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
+ "Error during response "
+ "generation.");
+ /* Check if the status info was set. */
+ if (ctx->response
+ && ASN1_INTEGER_get(
+ TS_RESP_get_status_info(ctx->response)->status)
+ == TS_STATUS_GRANTED)
+ {
+ /* Status info wasn't set, don't return a response. */
+ TS_RESP_free(ctx->response);
+ ctx->response = NULL;
+ }
+ }
+ response = ctx->response;
+ ctx->response = NULL; /* Ownership will be returned to caller. */
+ TS_RESP_CTX_cleanup(ctx);
+ return response;
+ }
+
+/* Initializes the variable part of the context. */
+static void TS_RESP_CTX_init(TS_RESP_CTX *ctx)
+ {
+ ctx->request = NULL;
+ ctx->response = NULL;
+ ctx->tst_info = NULL;
+ }
+
+/* Cleans up the variable part of the context. */
+static void TS_RESP_CTX_cleanup(TS_RESP_CTX *ctx)
+ {
+ TS_REQ_free(ctx->request);
+ ctx->request = NULL;
+ TS_RESP_free(ctx->response);
+ ctx->response = NULL;
+ TS_TST_INFO_free(ctx->tst_info);
+ ctx->tst_info = NULL;
+ }
+
+/* Checks the format and content of the request. */
+static int TS_RESP_check_request(TS_RESP_CTX *ctx)
+ {
+ TS_REQ *request = ctx->request;
+ TS_MSG_IMPRINT *msg_imprint;
+ X509_ALGOR *md_alg;
+ int md_alg_id;
+ ASN1_OCTET_STRING *digest;
+ EVP_MD *md = NULL;
+ int i;
+
+ /* Checking request version. */
+ if (TS_REQ_get_version(request) != 1)
+ {
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Bad request version.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_REQUEST);
+ return 0;
+ }
+
+ /* Checking message digest algorithm. */
+ msg_imprint = TS_REQ_get_msg_imprint(request);
+ md_alg = TS_MSG_IMPRINT_get_algo(msg_imprint);
+ md_alg_id = OBJ_obj2nid(md_alg->algorithm);
+ for (i = 0; !md && i < sk_EVP_MD_num(ctx->mds); ++i)
+ {
+ EVP_MD *current_md = sk_EVP_MD_value(ctx->mds, i);
+ if (md_alg_id == EVP_MD_type(current_md))
+ md = current_md;
+ }
+ if (!md)
+ {
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Message digest algorithm is "
+ "not supported.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
+ return 0;
+ }
+
+ /* No message digest takes parameter. */
+ if (md_alg->parameter
+ && ASN1_TYPE_get(md_alg->parameter) != V_ASN1_NULL)
+ {
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Superfluous message digest "
+ "parameter.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
+ return 0;
+ }
+ /* Checking message digest size. */
+ digest = TS_MSG_IMPRINT_get_msg(msg_imprint);
+ if (digest->length != EVP_MD_size(md))
+ {
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Bad message digest.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
+ return 0;
+ }
+
+ return 1;
+ }
+
+/* Returns the TSA policy based on the rqeuested and acceptable policies. */
+static ASN1_OBJECT *TS_RESP_get_policy(TS_RESP_CTX *ctx)
+ {
+ ASN1_OBJECT *requested = TS_REQ_get_policy_id(ctx->request);
+ ASN1_OBJECT *policy = NULL;
+ int i;
+
+ /* Return the default policy if none is requested or the default is
+ requested. */
+ if (!requested || !OBJ_cmp(requested, ctx->default_policy))
+ policy = ctx->default_policy;
+
+ /* Check if the policy is acceptable. */
+ for (i = 0; !policy && i < sk_ASN1_OBJECT_num(ctx->policies); ++i)
+ {
+ ASN1_OBJECT *current = sk_ASN1_OBJECT_value(ctx->policies, i);
+ if (!OBJ_cmp(requested, current))
+ policy = current;
+ }
+ if (!policy)
+ {
+ TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_UNACCEPTABLE_POLICY);
+ TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+ "Requested policy is not "
+ "supported.");
+ TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_POLICY);
+ }
+ return policy;
+ }
+
+/* Creates the TS_TST_INFO object based on the settings of the context. */
+static TS_TST_INFO *TS_RESP_create_tst_info(TS_RESP_CTX *ctx,
+ ASN1_OBJECT *policy)
+ {
+ int result = 0;
+ TS_TST_INFO *tst_info = NULL;
+ ASN1_INTEGER *serial = NULL;
+ ASN1_GENERALIZEDTIME *asn1_time = NULL;
+ long sec, usec;
+ TS_ACCURACY *accuracy = NULL;
+ ASN1_INTEGER *nonce;
+ GENERAL_NAME *tsa_name = NULL;
+
+ if (!(tst_info = TS_TST_INFO_new())) goto end;
+ if (!TS_TST_INFO_set_version(tst_info, 1)) goto end;
+ if (!TS_TST_INFO_set_policy_id(tst_info, policy)) goto end;
+ if (!TS_TST_INFO_set_msg_imprint(tst_info, ctx->request->msg_imprint))
+ goto end;
+ if (!(serial = (*ctx->serial_cb)(ctx, ctx->serial_cb_data))
+ || !TS_TST_INFO_set_serial(tst_info, serial))
+ goto end;
+ if (!(*ctx->time_cb)(ctx, ctx->time_cb_data, &sec, &usec)
+ || !(asn1_time = TS_RESP_set_genTime_with_precision(NULL,
+ sec, usec,
+ ctx->clock_precision_digits))
+ || !TS_TST_INFO_set_time(tst_info, asn1_time))
+ goto end;
+
+ /* Setting accuracy if needed. */
+ if ((ctx->seconds || ctx->millis || ctx->micros)
+ && !(accuracy = TS_ACCURACY_new()))
+ goto end;
+
+ if (ctx->seconds && !TS_ACCURACY_set_seconds(accuracy, ctx->seconds))
+ goto end;
+ if (ctx->millis && !TS_ACCURACY_set_millis(accuracy, ctx->millis))
+ goto end;
+ if (ctx->micros && !TS_ACCURACY_set_micros(accuracy, ctx->micros))
+ goto end;
+ if (accuracy && !TS_TST_INFO_set_accuracy(tst_info, accuracy))
+ goto end;
+
+ /* Setting ordering. */
+ if ((ctx->flags & TS_ORDERING)
+ && !TS_TST_INFO_set_ordering(tst_info, 1))
+ goto end;
+
+ /* Setting nonce if needed. */
+ if ((nonce = TS_REQ_get_nonce(ctx->request)) != NULL
+ && !TS_TST_INFO_set_nonce(tst_info, nonce))
+ goto end;
+
+ /* Setting TSA name to subject of signer certificate. */
+ if (ctx->flags & TS_TSA_NAME)
+ {
+ if (!(tsa_name = GENERAL_NAME_new())) goto end;
+ tsa_name->type = GEN_DIRNAME;
+ tsa_name->d.dirn =
+ X509_NAME_dup(ctx->signer_cert->cert_info->subject);
+ if (!tsa_name->d.dirn) goto end;
+ if (!TS_TST_INFO_set_tsa(tst_info, tsa_name)) goto end;
+ }
+
+ result = 1;
+ end:
+ if (!result)
+ {
+ TS_TST_INFO_free(tst_info);
+ tst_info = NULL;
+ TSerr(TS_F_TS_RESP_CREATE_TST_INFO, TS_R_TST_INFO_SETUP_ERROR);
+ TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
+ "Error during TSTInfo "
+ "generation.");
+ }
+ GENERAL_NAME_free(tsa_name);
+ TS_ACCURACY_free(accuracy);
+ ASN1_GENERALIZEDTIME_free(asn1_time);
+ ASN1_INTEGER_free(serial);
+
+ return tst_info;
+ }
+
+/* Processing the extensions of the request. */
+static int TS_RESP_process_extensions(TS_RESP_CTX *ctx)
+ {
+ STACK_OF(X509_EXTENSION) *exts = TS_REQ_get_exts(ctx->request);
+ int i;
+ int ok = 1;
+
+ for (i = 0; ok && i < sk_X509_EXTENSION_num(exts); ++i)
+ {
+ X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
+ ok = (*ctx->extension_cb)(ctx, ext, (void *)ctx->extension_cb);
+ }
+
+ return ok;
+ }
+
+/* Functions for signing the TS_TST_INFO structure of the context. */
+static int TS_RESP_sign(TS_RESP_CTX *ctx)
+ {
+ int ret = 0;
+ PKCS7 *p7 = NULL;
+ PKCS7_SIGNER_INFO *si;
+ STACK_OF(X509) *certs; /* Certificates to include in sc. */
+ ESS_SIGNING_CERT *sc = NULL;
+ ASN1_OBJECT *oid;
+ BIO *p7bio = NULL;
+ int i;
+
+ /* Check if signcert and pkey match. */
+ if (!X509_check_private_key(ctx->signer_cert, ctx->signer_key)) {
+ TSerr(TS_F_TS_RESP_SIGN,
+ TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
+ goto err;
+ }
+
+ /* Create a new PKCS7 signed object. */
+ if (!(p7 = PKCS7_new())) {
+ TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!PKCS7_set_type(p7, NID_pkcs7_signed)) goto err;
+
+ /* Force SignedData version to be 3 instead of the default 1. */
+ if (!ASN1_INTEGER_set(p7->d.sign->version, 3)) goto err;
+
+ /* Add signer certificate and optional certificate chain. */
+ if (TS_REQ_get_cert_req(ctx->request))
+ {
+ PKCS7_add_certificate(p7, ctx->signer_cert);
+ if (ctx->certs)
+ {
+ for(i = 0; i < sk_X509_num(ctx->certs); ++i)
+ {
+ X509 *cert = sk_X509_value(ctx->certs, i);
+ PKCS7_add_certificate(p7, cert);
+ }
+ }
+ }
+
+ /* Add a new signer info. */
+ if (!(si = PKCS7_add_signature(p7, ctx->signer_cert,
+ ctx->signer_key, EVP_sha1())))
+ {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNATURE_ERROR);
+ goto err;
+ }
+
+ /* Add content type signed attribute to the signer info. */
+ oid = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
+ if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
+ V_ASN1_OBJECT, oid))
+ {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR);
+ goto err;
+ }
+
+ /* Create the ESS SigningCertificate attribute which contains
+ the signer certificate id and optionally the certificate chain. */
+ certs = ctx->flags & TS_ESS_CERT_ID_CHAIN ? ctx->certs : NULL;
+ if (!(sc = ESS_SIGNING_CERT_new_init(ctx->signer_cert, certs)))
+ goto err;
+
+ /* Add SigningCertificate signed attribute to the signer info. */
+ if (!ESS_add_signing_cert(si, sc))
+ {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_ESS_ADD_SIGNING_CERT_ERROR);
+ goto err;
+ }
+
+ /* Add a new empty NID_id_smime_ct_TSTInfo encapsulated content. */
+ if (!TS_TST_INFO_content_new(p7)) goto err;
+
+ /* Add the DER encoded tst_info to the PKCS7 structure. */
+ if (!(p7bio = PKCS7_dataInit(p7, NULL))) {
+ TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ /* Convert tst_info to DER. */
+ if (!i2d_TS_TST_INFO_bio(p7bio, ctx->tst_info))
+ {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
+ goto err;
+ }
+
+ /* Create the signature and add it to the signer info. */
+ if (!PKCS7_dataFinal(p7, p7bio))
+ {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
+ goto err;
+ }
+
+ /* Set new PKCS7 and TST_INFO objects. */
+ TS_RESP_set_tst_info(ctx->response, p7, ctx->tst_info);
+ p7 = NULL; /* Ownership is lost. */
+ ctx->tst_info = NULL; /* Ownership is lost. */
+
+ ret = 1;
+ err:
+ if (!ret)
+ TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
+ "Error during signature "
+ "generation.");
+ BIO_free_all(p7bio);
+ ESS_SIGNING_CERT_free(sc);
+ PKCS7_free(p7);
+ return ret;
+ }
+
+static ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
+ STACK_OF(X509) *certs)
+ {
+ ESS_CERT_ID *cid;
+ ESS_SIGNING_CERT *sc = NULL;
+ int i;
+
+ /* Creating the ESS_CERT_ID stack. */
+ if (!(sc = ESS_SIGNING_CERT_new())) goto err;
+ if (!sc->cert_ids && !(sc->cert_ids = sk_ESS_CERT_ID_new_null()))
+ goto err;
+
+ /* Adding the signing certificate id. */
+ if (!(cid = ESS_CERT_ID_new_init(signcert, 0))
+ || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+ goto err;
+ /* Adding the certificate chain ids. */
+ 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))
+ || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+ goto err;
+ }
+
+ return sc;
+err:
+ ESS_SIGNING_CERT_free(sc);
+ TSerr(TS_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;
+
+ /* Recompute SHA1 hash of certificate if necessary (side effect). */
+ X509_check_purpose(cert, -1, 0);
+
+ if (!(cid = ESS_CERT_ID_new())) goto err;
+ if (!ASN1_OCTET_STRING_set(cid->hash, cert->sha1_hash,
+ sizeof(cert->sha1_hash)))
+ goto err;
+
+ /* Setting the issuer/serial if requested. */
+ if (issuer_needed)
+ {
+ /* Creating issuer/serial structure. */
+ if (!cid->issuer_serial
+ && !(cid->issuer_serial = ESS_ISSUER_SERIAL_new()))
+ goto err;
+ /* Creating general name from the certificate issuer. */
+ if (!(name = GENERAL_NAME_new())) goto err;
+ name->type = GEN_DIRNAME;
+ if (!(name->d.dirn = X509_NAME_dup(cert->cert_info->issuer)))
+ goto err;
+ if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
+ goto err;
+ name = NULL; /* Ownership is lost. */
+ /* Setting the serial number. */
+ ASN1_INTEGER_free(cid->issuer_serial->serial);
+ if (!(cid->issuer_serial->serial =
+ ASN1_INTEGER_dup(cert->cert_info->serialNumber)))
+ goto err;
+ }
+
+ return cid;
+err:
+ GENERAL_NAME_free(name);
+ ESS_CERT_ID_free(cid);
+ TSerr(TS_F_ESS_CERT_ID_NEW_INIT, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+static int TS_TST_INFO_content_new(PKCS7 *p7)
+ {
+ PKCS7 *ret = NULL;
+ ASN1_OCTET_STRING *octet_string = NULL;
+
+ /* Create new encapsulated NID_id_smime_ct_TSTInfo content. */
+ if (!(ret = PKCS7_new())) goto err;
+ if (!(ret->d.other = ASN1_TYPE_new())) goto err;
+ ret->type = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
+ if (!(octet_string = ASN1_OCTET_STRING_new())) goto err;
+ ASN1_TYPE_set(ret->d.other, V_ASN1_OCTET_STRING, octet_string);
+ octet_string = NULL;
+
+ /* Add encapsulated content to signed PKCS7 structure. */
+ if (!PKCS7_set_content(p7, ret)) goto err;
+
+ return 1;
+ err:
+ ASN1_OCTET_STRING_free(octet_string);
+ PKCS7_free(ret);
+ return 0;
+ }
+
+static int ESS_add_signing_cert(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 = (unsigned char *) OPENSSL_malloc(len)))
+ {
+ TSerr(TS_F_ESS_ADD_SIGNING_CERT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ p = pp;
+ i2d_ESS_SIGNING_CERT(sc, &p);
+ if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len))
+ {
+ TSerr(TS_F_ESS_ADD_SIGNING_CERT, 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;
+ }
+
+
+static ASN1_GENERALIZEDTIME *
+TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *asn1_time,
+ long sec, long usec, unsigned precision)
+ {
+ time_t time_sec = (time_t) sec;
+ struct tm *tm = NULL;
+ char genTime_str[17 + TS_MAX_CLOCK_PRECISION_DIGITS];
+ char *p = genTime_str;
+ char *p_end = genTime_str + sizeof(genTime_str);
+
+ if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
+ goto err;
+
+
+ if (!(tm = gmtime(&time_sec)))
+ goto err;
+
+ /*
+ * Put "genTime_str" in GeneralizedTime format. We work around the
+ * restrictions imposed by rfc3280 (i.e. "GeneralizedTime values MUST
+ * NOT include fractional seconds") and OpenSSL related functions to
+ * meet the rfc3161 requirement: "GeneralizedTime syntax can include
+ * fraction-of-second details".
+ */
+ p += BIO_snprintf(p, p_end - p,
+ "%04d%02d%02d%02d%02d%02d",
+ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+ if (precision > 0)
+ {
+ /* Add fraction of seconds (leave space for dot and null). */
+ BIO_snprintf(p, 2 + precision, ".%ld", usec);
+ /* We cannot use the snprintf return value,
+ because it might have been truncated. */
+ p += strlen(p);
+
+ /* To make things a bit harder, X.690 | ISO/IEC 8825-1 provides
+ the following restrictions for a DER-encoding, which OpenSSL
+ (specifically ASN1_GENERALIZEDTIME_check() function) doesn't
+ support:
+ "The encoding MUST terminate with a "Z" (which means "Zulu"
+ time). The decimal point element, if present, MUST be the
+ point option ".". The fractional-seconds elements,
+ if present, MUST omit all trailing 0's;
+ if the elements correspond to 0, they MUST be wholly
+ omitted, and the decimal point element also MUST be
+ omitted." */
+ /* Remove trailing zeros. The dot guarantees the exit
+ condition of this loop even if all the digits are zero. */
+ while (*--p == '0')
+ /* empty */;
+ /* p points to either the dot or the last non-zero digit. */
+ if (*p != '.') ++p;
+ }
+ /* Add the trailing Z and the terminating null. */
+ *p++ = 'Z';
+ *p++ = '\0';
+
+ /* Now call OpenSSL to check and set our genTime value */
+ if (!asn1_time && !(asn1_time = M_ASN1_GENERALIZEDTIME_new()))
+ goto err;
+ if (!ASN1_GENERALIZEDTIME_set_string(asn1_time, genTime_str))
+ {
+ ASN1_GENERALIZEDTIME_free(asn1_time);
+ goto err;
+ }
+
+ return asn1_time;
+ err:
+ TSerr(TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION, TS_R_COULD_NOT_SET_TIME);
+ return NULL;
+ }
--- /dev/null
+/* crypto/ts/ts_resp_utils.c */
+/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/objects.h>
+#include <openssl/ts.h>
+#include <openssl/pkcs7.h>
+
+/* Function definitions. */
+
+int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *status_info)
+ {
+ TS_STATUS_INFO *new_status_info;
+
+ if (a->status_info == status_info)
+ return 1;
+ new_status_info = TS_STATUS_INFO_dup(status_info);
+ if (new_status_info == NULL)
+ {
+ TSerr(TS_F_TS_RESP_SET_STATUS_INFO, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ TS_STATUS_INFO_free(a->status_info);
+ a->status_info = new_status_info;
+
+ return 1;
+ }
+
+TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a)
+ {
+ return a->status_info;
+ }
+
+/* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
+void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info)
+ {
+ /* Set new PKCS7 and TST_INFO objects. */
+ PKCS7_free(a->token);
+ a->token = p7;
+ TS_TST_INFO_free(a->tst_info);
+ a->tst_info = tst_info;
+ }
+
+PKCS7 *TS_RESP_get_token(TS_RESP *a)
+ {
+ return a->token;
+ }
+
+TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a)
+ {
+ return a->tst_info;
+ }
+
+int TS_TST_INFO_set_version(TS_TST_INFO *a, long version)
+ {
+ return ASN1_INTEGER_set(a->version, version);
+ }
+
+long TS_TST_INFO_get_version(TS_TST_INFO *a)
+ {
+ return ASN1_INTEGER_get(a->version);
+ }
+
+int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy)
+ {
+ ASN1_OBJECT *new_policy;
+
+ if (a->policy_id == policy)
+ return 1;
+ new_policy = OBJ_dup(policy);
+ if (new_policy == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_POLICY_ID, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_OBJECT_free(a->policy_id);
+ a->policy_id = new_policy;
+ return 1;
+ }
+
+ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a)
+ {
+ return a->policy_id;
+ }
+
+int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint)
+ {
+ TS_MSG_IMPRINT *new_msg_imprint;
+
+ if (a->msg_imprint == msg_imprint)
+ return 1;
+ new_msg_imprint = TS_MSG_IMPRINT_dup(msg_imprint);
+ if (new_msg_imprint == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_MSG_IMPRINT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ TS_MSG_IMPRINT_free(a->msg_imprint);
+ a->msg_imprint = new_msg_imprint;
+ return 1;
+ }
+
+TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a)
+ {
+ return a->msg_imprint;
+ }
+
+int TS_TST_INFO_set_serial(TS_TST_INFO *a, ASN1_INTEGER *serial)
+ {
+ ASN1_INTEGER *new_serial;
+
+ if (a->serial == serial)
+ return 1;
+ new_serial = ASN1_INTEGER_dup(serial);
+ if (new_serial == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_SERIAL, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_INTEGER_free(a->serial);
+ a->serial = new_serial;
+ return 1;
+ }
+
+ASN1_INTEGER *TS_TST_INFO_get_serial(TS_TST_INFO *a)
+ {
+ return a->serial;
+ }
+
+int TS_TST_INFO_set_time(TS_TST_INFO *a, ASN1_GENERALIZEDTIME *gtime)
+ {
+ ASN1_GENERALIZEDTIME *new_time;
+
+ if (a->time == gtime)
+ return 1;
+ new_time = M_ASN1_GENERALIZEDTIME_dup(gtime);
+ if (new_time == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_TIME, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_GENERALIZEDTIME_free(a->time);
+ a->time = new_time;
+ return 1;
+ }
+
+ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(TS_TST_INFO *a)
+ {
+ return a->time;
+ }
+
+int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy)
+ {
+ TS_ACCURACY *new_accuracy;
+
+ if (a->accuracy == accuracy)
+ return 1;
+ new_accuracy = TS_ACCURACY_dup(accuracy);
+ if (new_accuracy == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_ACCURACY, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ TS_ACCURACY_free(a->accuracy);
+ a->accuracy = new_accuracy;
+ return 1;
+ }
+
+TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a)
+ {
+ return a->accuracy;
+ }
+
+int TS_ACCURACY_set_seconds(TS_ACCURACY *a, ASN1_INTEGER *seconds)
+ {
+ ASN1_INTEGER *new_seconds;
+
+ if (a->seconds == seconds)
+ return 1;
+ new_seconds = ASN1_INTEGER_dup(seconds);
+ if (new_seconds == NULL)
+ {
+ TSerr(TS_F_TS_ACCURACY_SET_SECONDS, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_INTEGER_free(a->seconds);
+ a->seconds = new_seconds;
+ return 1;
+ }
+
+ASN1_INTEGER *TS_ACCURACY_get_seconds(TS_ACCURACY *a)
+ {
+ return a->seconds;
+ }
+
+int TS_ACCURACY_set_millis(TS_ACCURACY *a, ASN1_INTEGER *millis)
+ {
+ ASN1_INTEGER *new_millis = NULL;
+
+ if (a->millis == millis)
+ return 1;
+ if (millis != NULL)
+ {
+ new_millis = ASN1_INTEGER_dup(millis);
+ if (new_millis == NULL)
+ {
+ TSerr(TS_F_TS_ACCURACY_SET_MILLIS,
+ ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ ASN1_INTEGER_free(a->millis);
+ a->millis = new_millis;
+ return 1;
+ }
+
+ASN1_INTEGER *TS_ACCURACY_get_millis(TS_ACCURACY *a)
+ {
+ return a->millis;
+ }
+
+int TS_ACCURACY_set_micros(TS_ACCURACY *a, ASN1_INTEGER *micros)
+ {
+ ASN1_INTEGER *new_micros = NULL;
+
+ if (a->micros == micros)
+ return 1;
+ if (micros != NULL)
+ {
+ new_micros = ASN1_INTEGER_dup(micros);
+ if (new_micros == NULL)
+ {
+ TSerr(TS_F_TS_ACCURACY_SET_MICROS,
+ ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ ASN1_INTEGER_free(a->micros);
+ a->micros = new_micros;
+ return 1;
+ }
+
+ASN1_INTEGER *TS_ACCURACY_get_micros(TS_ACCURACY *a)
+ {
+ return a->micros;
+ }
+
+int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering)
+ {
+ a->ordering = ordering ? 0xFF : 0x00;
+ return 1;
+ }
+
+int TS_TST_INFO_get_ordering(TS_TST_INFO *a)
+ {
+ return a->ordering ? 1 : 0;
+ }
+
+int TS_TST_INFO_set_nonce(TS_TST_INFO *a, ASN1_INTEGER *nonce)
+ {
+ ASN1_INTEGER *new_nonce;
+
+ if (a->nonce == nonce)
+ return 1;
+ new_nonce = ASN1_INTEGER_dup(nonce);
+ if (new_nonce == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_NONCE, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_INTEGER_free(a->nonce);
+ a->nonce = new_nonce;
+ return 1;
+ }
+
+ASN1_INTEGER *TS_TST_INFO_get_nonce(TS_TST_INFO *a)
+ {
+ return a->nonce;
+ }
+
+int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa)
+ {
+ GENERAL_NAME *new_tsa;
+
+ if (a->tsa == tsa)
+ return 1;
+ new_tsa = GENERAL_NAME_dup(tsa);
+ if (new_tsa == NULL)
+ {
+ TSerr(TS_F_TS_TST_INFO_SET_TSA, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ GENERAL_NAME_free(a->tsa);
+ a->tsa = new_tsa;
+ return 1;
+ }
+
+GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a)
+ {
+ return a->tsa;
+ }
+
+STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a)
+ {
+ return a->extensions;
+ }
+
+void TS_TST_INFO_ext_free(TS_TST_INFO *a)
+ {
+ if (!a) return;
+ sk_X509_EXTENSION_pop_free(a->extensions, X509_EXTENSION_free);
+ a->extensions = NULL;
+ }
+
+int TS_TST_INFO_get_ext_count(TS_TST_INFO *a)
+ {
+ return X509v3_get_ext_count(a->extensions);
+ }
+
+int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos)
+ {
+ return X509v3_get_ext_by_NID(a->extensions, nid, lastpos);
+ }
+
+int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, ASN1_OBJECT *obj, int lastpos)
+ {
+ return X509v3_get_ext_by_OBJ(a->extensions, obj, lastpos);
+ }
+
+int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos)
+ {
+ return X509v3_get_ext_by_critical(a->extensions, crit, lastpos);
+ }
+
+X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc)
+ {
+ return X509v3_get_ext(a->extensions,loc);
+ }
+
+X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc)
+ {
+ return X509v3_delete_ext(a->extensions,loc);
+ }
+
+int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc)
+ {
+ return X509v3_add_ext(&a->extensions,ex,loc) != NULL;
+ }
+
+void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx)
+ {
+ return X509V3_get_d2i(a->extensions, nid, crit, idx);
+ }
--- /dev/null
+/* crypto/ts/ts_resp_verify.c */
+/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/objects.h>
+#include <openssl/ts.h>
+#include <openssl/pkcs7.h>
+
+/* Private function declarations. */
+
+static int TS_verify_cert(X509_STORE *store, STACK_OF(X509) *untrusted,
+ X509 *signer, STACK_OF(X509) **chain);
+static int TS_check_signing_certs(PKCS7_SIGNER_INFO *si, STACK_OF(X509) *chain);
+static ESS_SIGNING_CERT *ESS_get_signing_cert(PKCS7_SIGNER_INFO *si);
+static int TS_find_cert(STACK_OF(ESS_CERT_ID) *cert_ids, X509 *cert);
+static int TS_issuer_serial_cmp(ESS_ISSUER_SERIAL *is, X509_CINF *cinfo);
+static int _TS_RESP_verify_token(TS_VERIFY_CTX *ctx,
+ PKCS7 *token, TS_TST_INFO *tst_info);
+static int TS_check_status_info(TS_RESP *response);
+static char *TS_get_status_text(STACK_OF(ASN1_UTF8STRING) *text);
+static int TS_check_policy(ASN1_OBJECT *req_oid, TS_TST_INFO *tst_info);
+static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
+ X509_ALGOR **md_alg,
+ unsigned char **imprint, unsigned *imprint_len);
+static int TS_check_imprints(X509_ALGOR *algor_a,
+ unsigned char *imprint_a, unsigned len_a,
+ TS_TST_INFO *tst_info);
+static int TS_check_nonces(ASN1_INTEGER *a, TS_TST_INFO *tst_info);
+static int TS_check_signer_name(GENERAL_NAME *tsa_name, X509 *signer);
+static int TS_find_name(STACK_OF(GENERAL_NAME) *gen_names, GENERAL_NAME *name);
+
+/*
+ * Local mapping between response codes and descriptions.
+ * Don't forget to change TS_STATUS_BUF_SIZE when modifying
+ * the elements of this array.
+ */
+static const char *TS_status_text[] =
+ { "granted",
+ "grantedWithMods",
+ "rejection",
+ "waiting",
+ "revocationWarning",
+ "revocationNotification" };
+
+#define TS_STATUS_TEXT_SIZE (sizeof(TS_status_text)/sizeof(*TS_status_text))
+
+/*
+ * This must be greater or equal to the sum of the strings in TS_status_text
+ * plus the number of its elements.
+ */
+#define TS_STATUS_BUF_SIZE 256
+
+static struct
+ {
+ int code;
+ const char *text;
+ } TS_failure_info[] =
+ { { TS_INFO_BAD_ALG, "badAlg" },
+ { TS_INFO_BAD_REQUEST, "badRequest" },
+ { TS_INFO_BAD_DATA_FORMAT, "badDataFormat" },
+ { TS_INFO_TIME_NOT_AVAILABLE, "timeNotAvailable" },
+ { TS_INFO_UNACCEPTED_POLICY, "unacceptedPolicy" },
+ { TS_INFO_UNACCEPTED_EXTENSION, "unacceptedExtension" },
+ { TS_INFO_ADD_INFO_NOT_AVAILABLE, "addInfoNotAvailable" },
+ { TS_INFO_SYSTEM_FAILURE, "systemFailure" } };
+
+#define TS_FAILURE_INFO_SIZE (sizeof(TS_failure_info) / \
+ sizeof(*TS_failure_info))
+
+/* Functions for verifying a signed TS_TST_INFO structure. */
+
+/*
+ * This function carries out the following tasks:
+ * - Checks if there is one and only one signer.
+ * - Search for the signing certificate in 'certs' and in the response.
+ * - Check the extended key usage and key usage fields of the signer
+ * certificate (done by the path validation).
+ * - Build and validate the certificate path.
+ * - Check if the certificate path meets the requirements of the
+ * SigningCertificate ESS signed attribute.
+ * - Verify the signature value.
+ * - Returns the signer certificate in 'signer', if 'signer' is not NULL.
+ */
+int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
+ X509_STORE *store, X509 **signer_out)
+ {
+ STACK_OF(PKCS7_SIGNER_INFO) *sinfos = NULL;
+ PKCS7_SIGNER_INFO *si;
+ STACK_OF(X509) *signers = NULL;
+ X509 *signer;
+ STACK_OF(X509) *chain = NULL;
+ char buf[4096];
+ int i, j = 0, ret = 0;
+ BIO *p7bio = NULL;
+
+ /* Some sanity checks first. */
+ if (!token)
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_INVALID_NULL_POINTER);
+ goto err;
+ }
+
+ /* Check for the correct content type */
+ if(!PKCS7_type_is_signed(token))
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_WRONG_CONTENT_TYPE);
+ goto err;
+ }
+
+ /* Check if there is one and only one signer. */
+ sinfos = PKCS7_get_signer_info(token);
+ if (!sinfos || sk_PKCS7_SIGNER_INFO_num(sinfos) != 1)
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE,
+ TS_R_THERE_MUST_BE_ONE_SIGNER);
+ goto err;
+ }
+ si = sk_PKCS7_SIGNER_INFO_value(sinfos, 0);
+
+ /* Check for no content: no data to verify signature. */
+ if (PKCS7_get_detached(token))
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_NO_CONTENT);
+ goto err;
+ }
+
+ /* Get hold of the signer certificate, search only internal
+ certificates if it was requested. */
+ signers = PKCS7_get0_signers(token, certs, 0);
+ if (!signers || sk_X509_num(signers) != 1) goto err;
+ signer = sk_X509_value(signers, 0);
+
+ /* Now verify the certificate. */
+ if (!TS_verify_cert(store, certs, signer, &chain)) goto err;
+
+ /* Check if the signer certificate is consistent with the
+ ESS extension. */
+ if (!TS_check_signing_certs(si, chain)) goto err;
+
+ /* Creating the message digest. */
+ p7bio = PKCS7_dataInit(token, NULL);
+
+ /* We now have to 'read' from p7bio to calculate digests etc. */
+ while ((i = BIO_read(p7bio,buf,sizeof(buf))) > 0);
+
+ /* Verifying the signature. */
+ j = PKCS7_signatureVerify(p7bio, token, si, signer);
+ if (j <= 0)
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_SIGNATURE, TS_R_SIGNATURE_FAILURE);
+ goto err;
+ }
+
+ /* Return the signer certificate if needed. */
+ if (signer_out)
+ {
+ *signer_out = signer;
+ CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);
+ }
+
+ ret = 1;
+
+ err:
+ BIO_free_all(p7bio);
+ sk_X509_pop_free(chain, X509_free);
+ sk_X509_free(signers);
+
+ return ret;
+ }
+
+/*
+ * The certificate chain is returned in chain. Caller is responsible for
+ * freeing the vector.
+ */
+static int TS_verify_cert(X509_STORE *store, STACK_OF(X509) *untrusted,
+ X509 *signer, STACK_OF(X509) **chain)
+ {
+ X509_STORE_CTX cert_ctx;
+ int i;
+ int ret = 1;
+
+ /* chain is an out argument. */
+ *chain = NULL;
+ X509_STORE_CTX_init(&cert_ctx, store, signer, untrusted);
+ X509_STORE_CTX_set_purpose(&cert_ctx, X509_PURPOSE_TIMESTAMP_SIGN);
+ i = X509_verify_cert(&cert_ctx);
+ if (i <= 0)
+ {
+ int j = X509_STORE_CTX_get_error(&cert_ctx);
+ TSerr(TS_F_TS_VERIFY_CERT, TS_R_CERTIFICATE_VERIFY_ERROR);
+ ERR_add_error_data(2, "Verify error:",
+ X509_verify_cert_error_string(j));
+ ret = 0;
+ }
+ else
+ {
+ /* Get a copy of the certificate chain. */
+ *chain = X509_STORE_CTX_get1_chain(&cert_ctx);
+ }
+
+ X509_STORE_CTX_cleanup(&cert_ctx);
+
+ return ret;
+ }
+
+static int TS_check_signing_certs(PKCS7_SIGNER_INFO *si, STACK_OF(X509) *chain)
+ {
+ ESS_SIGNING_CERT *ss = ESS_get_signing_cert(si);
+ STACK_OF(ESS_CERT_ID) *cert_ids = NULL;
+ X509 *cert;
+ int i = 0;
+ int ret = 0;
+
+ if (!ss) goto err;
+ cert_ids = ss->cert_ids;
+ /* The signer certificate must be the first in cert_ids. */
+ cert = sk_X509_value(chain, 0);
+ if (TS_find_cert(cert_ids, cert) != 0) goto err;
+
+ /* Check the other certificates of the chain if there are more
+ than one certificate ids in cert_ids. */
+ if (sk_ESS_CERT_ID_num(cert_ids) > 1)
+ {
+ /* All the certificates of the chain must be in cert_ids. */
+ for (i = 1; i < sk_X509_num(chain); ++i)
+ {
+ cert = sk_X509_value(chain, i);
+ if (TS_find_cert(cert_ids, cert) < 0) goto err;
+ }
+ }
+ ret = 1;
+ err:
+ if (!ret)
+ TSerr(TS_F_TS_CHECK_SIGNING_CERTS,
+ TS_R_ESS_SIGNING_CERTIFICATE_ERROR);
+ ESS_SIGNING_CERT_free(ss);
+ return ret;
+ }
+
+static ESS_SIGNING_CERT *ESS_get_signing_cert(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);
+ }
+
+/* Returns < 0 if certificate is not found, certificate index otherwise. */
+static int TS_find_cert(STACK_OF(ESS_CERT_ID) *cert_ids, X509 *cert)
+ {
+ int i;
+
+ if (!cert_ids || !cert) return -1;
+
+ /* Recompute SHA1 hash of certificate if necessary (side effect). */
+ X509_check_purpose(cert, -1, 0);
+
+ /* Look for cert in the cert_ids vector. */
+ for (i = 0; i < sk_ESS_CERT_ID_num(cert_ids); ++i)
+ {
+ ESS_CERT_ID *cid = sk_ESS_CERT_ID_value(cert_ids, i);
+
+ /* Check the SHA-1 hash first. */
+ if (cid->hash->length == sizeof(cert->sha1_hash)
+ && !memcmp(cid->hash->data, cert->sha1_hash,
+ sizeof(cert->sha1_hash)))
+ {
+ /* Check the issuer/serial as well if specified. */
+ ESS_ISSUER_SERIAL *is = cid->issuer_serial;
+ if (!is || !TS_issuer_serial_cmp(is, cert->cert_info))
+ return i;
+ }
+ }
+
+ return -1;
+ }
+
+static int TS_issuer_serial_cmp(ESS_ISSUER_SERIAL *is, X509_CINF *cinfo)
+ {
+ GENERAL_NAME *issuer;
+
+ if (!is || !cinfo || sk_GENERAL_NAME_num(is->issuer) != 1) return -1;
+
+ /* Check the issuer first. It must be a directory name. */
+ issuer = sk_GENERAL_NAME_value(is->issuer, 0);
+ if (issuer->type != GEN_DIRNAME
+ || X509_NAME_cmp(issuer->d.dirn, cinfo->issuer))
+ return -1;
+
+ /* Check the serial number, too. */
+ if (ASN1_INTEGER_cmp(is->serial, cinfo->serialNumber))
+ return -1;
+
+ return 0;
+ }
+
+/*
+ * Verifies whether 'response' contains a valid response with regards
+ * to the settings of the context:
+ * - Gives an error message if the TS_TST_INFO is not present.
+ * - Calls _TS_RESP_verify_token to verify the token content.
+ */
+int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response)
+ {
+ PKCS7 *token = TS_RESP_get_token(response);
+ TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
+ int ret = 0;
+
+ /* Check if we have a successful TS_TST_INFO object in place. */
+ if (!TS_check_status_info(response)) goto err;
+
+ /* Check the contents of the time stamp token. */
+ if (!_TS_RESP_verify_token(ctx, token, tst_info))
+ goto err;
+
+ ret = 1;
+ err:
+ return ret;
+ }
+
+/*
+ * Tries to extract a TS_TST_INFO structure from the PKCS7 token and
+ * calls the internal _TS_RESP_verify_token function for verifying it.
+ */
+int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token)
+ {
+ TS_TST_INFO *tst_info = PKCS7_to_TS_TST_INFO(token);
+ int ret = 0;
+ if (tst_info)
+ {
+ ret = _TS_RESP_verify_token(ctx, token, tst_info);
+ TS_TST_INFO_free(tst_info);
+ }
+ return ret;
+ }
+
+/*
+ * Verifies whether the 'token' contains a valid time stamp token
+ * with regards to the settings of the context. Only those checks are
+ * carried out that are specified in the context:
+ * - Verifies the signature of the TS_TST_INFO.
+ * - Checks the version number of the response.
+ * - Check if the requested and returned policies math.
+ * - Check if the message imprints are the same.
+ * - Check if the nonces are the same.
+ * - Check if the TSA name matches the signer.
+ * - Check if the TSA name is the expected TSA.
+ */
+static int _TS_RESP_verify_token(TS_VERIFY_CTX *ctx,
+ PKCS7 *token, TS_TST_INFO *tst_info)
+ {
+ X509 *signer = NULL;
+ GENERAL_NAME *tsa_name = TS_TST_INFO_get_tsa(tst_info);
+ X509_ALGOR *md_alg = NULL;
+ unsigned char *imprint = NULL;
+ unsigned imprint_len = 0;
+ int ret = 0;
+
+ /* Verify the signature. */
+ if ((ctx->flags & TS_VFY_SIGNATURE)
+ && !TS_RESP_verify_signature(token, ctx->certs, ctx->store,
+ &signer))
+ goto err;
+
+ /* Check version number of response. */
+ if ((ctx->flags & TS_VFY_VERSION)
+ && TS_TST_INFO_get_version(tst_info) != 1)
+ {
+ TSerr(TS_F_TS_VERIFY, TS_R_UNSUPPORTED_VERSION);
+ goto err;
+ }
+
+ /* Check policies. */
+ if ((ctx->flags & TS_VFY_POLICY)
+ && !TS_check_policy(ctx->policy, tst_info))
+ goto err;
+
+ /* Check message imprints. */
+ if ((ctx->flags & TS_VFY_IMPRINT)
+ && !TS_check_imprints(ctx->md_alg, ctx->imprint, ctx->imprint_len,
+ tst_info))
+ goto err;
+
+ /* Compute and check message imprints. */
+ if ((ctx->flags & TS_VFY_DATA)
+ && (!TS_compute_imprint(ctx->data, tst_info,
+ &md_alg, &imprint, &imprint_len)
+ || !TS_check_imprints(md_alg, imprint, imprint_len, tst_info)))
+ goto err;
+
+ /* Check nonces. */
+ if ((ctx->flags & TS_VFY_NONCE)
+ && !TS_check_nonces(ctx->nonce, tst_info))
+ goto err;
+
+ /* Check whether TSA name and signer certificate match. */
+ if ((ctx->flags & TS_VFY_SIGNER)
+ && tsa_name && !TS_check_signer_name(tsa_name, signer))
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_TOKEN, TS_R_TSA_NAME_MISMATCH);
+ goto err;
+ }
+
+ /* Check whether the TSA is the expected one. */
+ if ((ctx->flags & TS_VFY_TSA_NAME)
+ && !TS_check_signer_name(ctx->tsa_name, signer))
+ {
+ TSerr(TS_F_TS_RESP_VERIFY_TOKEN, TS_R_TSA_UNTRUSTED);
+ goto err;
+ }
+
+ ret = 1;
+ err:
+ X509_free(signer);
+ X509_ALGOR_free(md_alg);
+ OPENSSL_free(imprint);
+ return ret;
+ }
+
+static int TS_check_status_info(TS_RESP *response)
+ {
+ TS_STATUS_INFO *info = TS_RESP_get_status_info(response);
+ long status = ASN1_INTEGER_get(info->status);
+ const char *status_text = NULL;
+ char *embedded_status_text = NULL;
+ char failure_text[TS_STATUS_BUF_SIZE] = "";
+
+ /* Check if everything went fine. */
+ if (status == 0 || status == 1) return 1;
+
+ /* There was an error, get the description in status_text. */
+ if (0 <= status && status < (long)TS_STATUS_TEXT_SIZE)
+ status_text = TS_status_text[status];
+ else
+ status_text = "unknown code";
+
+ /* Set the embedded_status_text to the returned description. */
+ if (sk_ASN1_UTF8STRING_num(info->text) > 0
+ && !(embedded_status_text = TS_get_status_text(info->text)))
+ return 0;
+
+ /* Filling in failure_text with the failure information. */
+ if (info->failure_info)
+ {
+ int i;
+ int first = 1;
+ for (i = 0; i < (int)TS_FAILURE_INFO_SIZE; ++i)
+ {
+ if (ASN1_BIT_STRING_get_bit(info->failure_info,
+ TS_failure_info[i].code))
+ {
+ if (!first)
+ strcpy(failure_text, ",");
+ else
+ first = 0;
+ strcat(failure_text, TS_failure_info[i].text);
+ }
+ }
+ }
+ if (failure_text[0] == '\0')
+ strcpy(failure_text, "unspecified");
+
+ /* Making up the error string. */
+ TSerr(TS_F_TS_CHECK_STATUS_INFO, TS_R_NO_TIME_STAMP_TOKEN);
+ ERR_add_error_data(6,
+ "status code: ", status_text,
+ ", status text: ", embedded_status_text ?
+ embedded_status_text : "unspecified",
+ ", failure codes: ", failure_text);
+ OPENSSL_free(embedded_status_text);
+
+ return 0;
+ }
+
+static char *TS_get_status_text(STACK_OF(ASN1_UTF8STRING) *text)
+ {
+ int i;
+ unsigned int length = 0;
+ char *result = NULL;
+ char *p;
+
+ /* Determine length first. */
+ for (i = 0; i < sk_ASN1_UTF8STRING_num(text); ++i)
+ {
+ ASN1_UTF8STRING *current = sk_ASN1_UTF8STRING_value(text, i);
+ length += ASN1_STRING_length(current);
+ length += 1; /* separator character */
+ }
+ /* Allocate memory (closing '\0' included). */
+ if (!(result = OPENSSL_malloc(length)))
+ {
+ TSerr(TS_F_TS_GET_STATUS_TEXT, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ /* Concatenate the descriptions. */
+ for (i = 0, p = result; i < sk_ASN1_UTF8STRING_num(text); ++i)
+ {
+ ASN1_UTF8STRING *current = sk_ASN1_UTF8STRING_value(text, i);
+ length = ASN1_STRING_length(current);
+ if (i > 0) *p++ = '/';
+ strncpy(p, (const char *)ASN1_STRING_data(current), length);
+ p += length;
+ }
+ /* We do have space for this, too. */
+ *p = '\0';
+
+ return result;
+ }
+
+static int TS_check_policy(ASN1_OBJECT *req_oid, TS_TST_INFO *tst_info)
+ {
+ ASN1_OBJECT *resp_oid = TS_TST_INFO_get_policy_id(tst_info);
+
+ if (OBJ_cmp(req_oid, resp_oid) != 0)
+ {
+ TSerr(TS_F_TS_CHECK_POLICY, TS_R_POLICY_MISMATCH);
+ return 0;
+ }
+
+ return 1;
+ }
+
+static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
+ X509_ALGOR **md_alg,
+ unsigned char **imprint, unsigned *imprint_len)
+ {
+ TS_MSG_IMPRINT *msg_imprint = TS_TST_INFO_get_msg_imprint(tst_info);
+ X509_ALGOR *md_alg_resp = TS_MSG_IMPRINT_get_algo(msg_imprint);
+ const EVP_MD *md;
+ EVP_MD_CTX md_ctx;
+ unsigned char buffer[4096];
+ int length;
+
+ *md_alg = NULL;
+ *imprint = NULL;
+
+ /* Return the MD algorithm of the response. */
+ if (!(*md_alg = X509_ALGOR_dup(md_alg_resp))) goto err;
+
+ /* Getting the MD object. */
+ if (!(md = EVP_get_digestbyobj((*md_alg)->algorithm)))
+ {
+ TSerr(TS_F_TS_COMPUTE_IMPRINT, TS_R_UNSUPPORTED_MD_ALGORITHM);
+ goto err;
+ }
+
+ /* Compute message digest. */
+ *imprint_len = EVP_MD_size(md);
+ if (!(*imprint = OPENSSL_malloc(*imprint_len)))
+ {
+ TSerr(TS_F_TS_COMPUTE_IMPRINT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ EVP_DigestInit(&md_ctx, md);
+ while ((length = BIO_read(data, buffer, sizeof(buffer))) > 0)
+ {
+ EVP_DigestUpdate(&md_ctx, buffer, length);
+ }
+ EVP_DigestFinal(&md_ctx, *imprint, NULL);
+
+ return 1;
+ err:
+ X509_ALGOR_free(*md_alg);
+ OPENSSL_free(*imprint);
+ *imprint_len = 0;
+ return 0;
+ }
+
+static int TS_check_imprints(X509_ALGOR *algor_a,
+ unsigned char *imprint_a, unsigned len_a,
+ TS_TST_INFO *tst_info)
+ {
+ TS_MSG_IMPRINT *b = TS_TST_INFO_get_msg_imprint(tst_info);
+ X509_ALGOR *algor_b = TS_MSG_IMPRINT_get_algo(b);
+ int ret = 0;
+
+ /* algor_a is optional. */
+ if (algor_a)
+ {
+ /* Compare algorithm OIDs. */
+ if (OBJ_cmp(algor_a->algorithm, algor_b->algorithm)) goto err;
+
+ /* The parameter must be NULL in both. */
+ if ((algor_a->parameter
+ && ASN1_TYPE_get(algor_a->parameter) != V_ASN1_NULL)
+ || (algor_b->parameter
+ && ASN1_TYPE_get(algor_b->parameter) != V_ASN1_NULL))
+ goto err;
+ }
+
+ /* Compare octet strings. */
+ ret = len_a == (unsigned) ASN1_STRING_length(b->hashed_msg) &&
+ memcmp(imprint_a, ASN1_STRING_data(b->hashed_msg), len_a) == 0;
+ err:
+ if (!ret)
+ TSerr(TS_F_TS_CHECK_IMPRINTS, TS_R_MESSAGE_IMPRINT_MISMATCH);
+ return ret;
+ }
+
+static int TS_check_nonces(ASN1_INTEGER *a, TS_TST_INFO *tst_info)
+ {
+ ASN1_INTEGER *b = TS_TST_INFO_get_nonce(tst_info);
+
+ /* Error if nonce is missing. */
+ if (!b)
+ {
+ TSerr(TS_F_TS_CHECK_NONCES, TS_R_NONCE_NOT_RETURNED);
+ return 0;
+ }
+
+ /* No error if a nonce is returned without being requested. */
+ if (ASN1_INTEGER_cmp(a, b) != 0)
+ {
+ TSerr(TS_F_TS_CHECK_NONCES, TS_R_NONCE_MISMATCH);
+ return 0;
+ }
+
+ return 1;
+ }
+
+/* Check if the specified TSA name matches either the subject
+ or one of the subject alternative names of the TSA certificate. */
+static int TS_check_signer_name(GENERAL_NAME *tsa_name, X509 *signer)
+ {
+ STACK_OF(GENERAL_NAME) *gen_names = NULL;
+ int idx = -1;
+ int found = 0;
+
+ /* Check the subject name first. */
+ if (tsa_name->type == GEN_DIRNAME
+ && X509_name_cmp(tsa_name->d.dirn, signer->cert_info->subject) == 0)
+ return 1;
+
+ /* Check all the alternative names. */
+ gen_names = X509_get_ext_d2i(signer, NID_subject_alt_name,
+ NULL, &idx);
+ while (gen_names != NULL
+ && !(found = TS_find_name(gen_names, tsa_name) >= 0))
+ {
+ /* Get the next subject alternative name,
+ although there should be no more than one. */
+ GENERAL_NAMES_free(gen_names);
+ gen_names = X509_get_ext_d2i(signer, NID_subject_alt_name,
+ NULL, &idx);
+ }
+ if (gen_names) GENERAL_NAMES_free(gen_names);
+
+ return found;
+ }
+
+/* Returns 1 if name is in gen_names, 0 otherwise. */
+static int TS_find_name(STACK_OF(GENERAL_NAME) *gen_names, GENERAL_NAME *name)
+ {
+ int i, found;
+ for (i = 0, found = 0; !found && i < sk_GENERAL_NAME_num(gen_names);
+ ++i)
+ {
+ GENERAL_NAME *current = sk_GENERAL_NAME_value(gen_names, i);
+ found = GENERAL_NAME_cmp(current, name) == 0;
+ }
+ return found ? i - 1 : -1;
+ }
projects / oweals / openssl.git / commitdiff