-/* crypto/ts/ts_resp_sign.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
+/*
+ * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
+ * 2002.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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
*
*/
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#if defined(OPENSSL_SYS_UNIX)
-#include <sys/time.h>
+# include <sys/time.h>
#endif
#include <openssl/objects.h>
#include <openssl/ts.h>
#include <openssl/pkcs7.h>
-
-/* Private function declarations. */
+#include "ts_lcl.h"
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 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_GENERALIZEDTIME
+*TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *, long, long,
+ unsigned);
+/* Default callback 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;
+{
+ ASN1_INTEGER *serial = ASN1_INTEGER_new();
+
+ if (serial == NULL)
+ 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;
- }
+ 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;
- }
+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;
+ }
+ *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;
- }
+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;
+ }
+ *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;
- }
+ void *data)
+{
+ 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;
+{
+ TS_RESP_CTX *ctx;
+
+ if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL) {
+ TSerr(TS_F_TS_RESP_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
- 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));
+ ctx->signer_md = EVP_sha256();
- /* Setting default callbacks. */
- ctx->serial_cb = def_serial_cb;
- ctx->time_cb = def_time_cb;
- ctx->extension_cb = def_extension_cb;
+ ctx->serial_cb = def_serial_cb;
+ ctx->time_cb = def_time_cb;
+ ctx->extension_cb = def_extension_cb;
- return ctx;
- }
+ 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);
- }
+{
+ 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;
- }
+{
+ 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;
+ }
+ X509_free(ctx->signer_cert);
+ ctx->signer_cert = signer;
+ X509_up_ref(ctx->signer_cert);
+ 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);
+{
+ EVP_PKEY_free(ctx->signer_key);
+ ctx->signer_key = key;
+ EVP_PKEY_up_ref(ctx->signer_key);
+
+ return 1;
+}
- return 1;
- }
+int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx, const EVP_MD *md)
+{
+ ctx->signer_md = md;
+ 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;
+{
+ ASN1_OBJECT_free(ctx->default_policy);
+ if ((ctx->default_policy = OBJ_dup(def_policy)) == NULL)
+ goto err;
+ return 1;
err:
- TSerr(TS_F_TS_RESP_CTX_SET_DEF_POLICY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
+ 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)
- {
-
- if (ctx->certs)
- {
- sk_X509_pop_free(ctx->certs, X509_free);
- ctx->certs = NULL;
- }
- if (!certs) return 1;
- if (!(ctx->certs = X509_chain_up_ref(certs)))
- {
- TSerr(TS_F_TS_RESP_CTX_SET_CERTS, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
- return 1;
- }
+{
-int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy)
- {
- ASN1_OBJECT *copy = NULL;
+ sk_X509_pop_free(ctx->certs, X509_free);
+ ctx->certs = NULL;
+ if (!certs)
+ return 1;
+ if ((ctx->certs = X509_chain_up_ref(certs)) == NULL) {
+ TSerr(TS_F_TS_RESP_CTX_SET_CERTS, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
- /* 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;
+}
- return 1;
+int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy)
+{
+ ASN1_OBJECT *copy = NULL;
+
+ if (ctx->policies == NULL
+ && (ctx->policies = sk_ASN1_OBJECT_new_null()) == NULL)
+ goto err;
+ if ((copy = OBJ_dup(policy)) == NULL)
+ 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;
- }
+ 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, (EVP_MD *)md)) goto err;
-
- return 1;
+{
+ if (ctx->mds == NULL
+ && (ctx->mds = sk_EVP_MD_new_null()) == NULL)
+ goto err;
+ if (!sk_EVP_MD_push(ctx->mds, (EVP_MD *)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;
+ 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()) == NULL
+ || !ASN1_INTEGER_set(ctx->seconds, secs)))
+ goto err;
+ if (millis
+ && ((ctx->millis = ASN1_INTEGER_new()) == NULL
+ || !ASN1_INTEGER_set(ctx->millis, millis)))
+ goto err;
+ if (micros
+ && ((ctx->micros = ASN1_INTEGER_new()) == NULL
+ || !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;
- }
+ 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;
- }
+{
+ 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;
- }
+{
+ 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;
+{
+ 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()) == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(si->status, status))
+ goto err;
+ if (text) {
+ if ((utf8_text = ASN1_UTF8STRING_new()) == NULL
+ || !ASN1_STRING_set(utf8_text, text, strlen(text)))
+ goto err;
+ if (si->text == NULL
+ && (si->text = sk_ASN1_UTF8STRING_new_null()) == 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;
- }
+ 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 = ctx->response->status_info;
+
+ if (ASN1_INTEGER_get(si->status) == TS_STATUS_GRANTED) {
+ 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;
+{
+ TS_STATUS_INFO *si = ctx->response->status_info;
+ if (si->failure_info == NULL
+ && (si->failure_info = ASN1_BIT_STRING_new()) == NULL)
+ 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;
- }
+ 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;
- }
+{
+ 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;
- }
+{
+ 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;
+{
+ ASN1_OBJECT *policy;
+ TS_RESP *response;
+ int result = 0;
+
+ ts_RESP_CTX_init(ctx);
+
+ if ((ctx->response = TS_RESP_new()) == NULL) {
+ TSerr(TS_F_TS_RESP_CREATE_RESPONSE, ERR_R_MALLOC_FAILURE);
+ goto end;
+ }
+ if ((ctx->request = d2i_TS_REQ_bio(req_bio, NULL)) == 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;
+ }
+ if (!TS_RESP_CTX_set_status_info(ctx, TS_STATUS_GRANTED, NULL))
+ goto end;
+ if (!ts_RESP_check_request(ctx))
+ goto end;
+ if ((policy = ts_RESP_get_policy(ctx)) == NULL)
+ goto end;
+ if ((ctx->tst_info = ts_RESP_create_tst_info(ctx, policy)) == NULL)
+ goto end;
+ if (!ts_RESP_process_extensions(ctx))
+ goto end;
+ if (!ts_RESP_sign(ctx))
+ goto end;
+ result = 1;
+
end:
- if (!result)
- {
- TSerr(TS_F_TS_RESP_CREATE_RESPONSE, TS_R_RESPONSE_SETUP_ERROR);
- if (ctx->response != NULL)
- {
- if (TS_RESP_CTX_set_status_info_cond(ctx,
- TS_STATUS_REJECTION, "Error during response "
- "generation.") == 0)
- {
- 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;
- }
+ if (!result) {
+ TSerr(TS_F_TS_RESP_CREATE_RESPONSE, TS_R_RESPONSE_SETUP_ERROR);
+ if (ctx->response != NULL) {
+ if (TS_RESP_CTX_set_status_info_cond(ctx,
+ TS_STATUS_REJECTION,
+ "Error during response "
+ "generation.") == 0) {
+ 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;
- }
+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;
- }
+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;
- const 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;
- }
+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;
+ const ASN1_OCTET_STRING *digest;
+ EVP_MD *md = NULL;
+ int i;
+
+ 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;
+ }
+
+ msg_imprint = request->msg_imprint;
+ md_alg = msg_imprint->hash_algo;
+ 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;
+ }
+
+ 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;
+ }
+ digest = msg_imprint->hashed_msg;
+ 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 requested 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;
-
- if (ctx->default_policy == NULL)
- {
- TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_INVALID_NULL_POINTER);
- return NULL;
- }
- /* 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;
- }
+static ASN1_OBJECT *ts_RESP_get_policy(TS_RESP_CTX *ctx)
+{
+ ASN1_OBJECT *requested = ctx->request->policy_id;
+ ASN1_OBJECT *policy = NULL;
+ int i;
+
+ if (ctx->default_policy == NULL) {
+ TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_INVALID_NULL_POINTER);
+ return NULL;
+ }
+ 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;
- const 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;
+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;
+ const ASN1_INTEGER *nonce;
+ GENERAL_NAME *tsa_name = NULL;
+
+ if ((tst_info = TS_TST_INFO_new()) == NULL)
+ 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)) == NULL
+ || !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)) == NULL
+ || !TS_TST_INFO_set_time(tst_info, asn1_time))
+ goto end;
+
+ if ((ctx->seconds || ctx->millis || ctx->micros)
+ && (accuracy = TS_ACCURACY_new()) == NULL)
+ 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;
+
+ if ((ctx->flags & TS_ORDERING)
+ && !TS_TST_INFO_set_ordering(tst_info, 1))
+ goto end;
+
+ if ((nonce = ctx->request->nonce) != NULL
+ && !TS_TST_INFO_set_nonce(tst_info, nonce))
+ goto end;
+
+ if (ctx->flags & TS_TSA_NAME) {
+ if ((tsa_name = GENERAL_NAME_new()) == NULL)
+ goto end;
+ tsa_name->type = GEN_DIRNAME;
+ tsa_name->d.dirn =
+ X509_NAME_dup(X509_get_subject_name(ctx->signer_cert));
+ 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;
- }
+ 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);
- /* XXXXX The last argument was previously
- (void *)ctx->extension_cb, but ISO C doesn't permit
- converting a function pointer to void *. For lack of
- better information, I'm placing a NULL there instead.
- The callback can pick its own address out from the ctx
- anyway...
- */
- ok = (*ctx->extension_cb)(ctx, ext, NULL);
- }
-
- return ok;
- }
+static int ts_RESP_process_extensions(TS_RESP_CTX *ctx)
+{
+ STACK_OF(X509_EXTENSION) *exts = ctx->request->extensions;
+ 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);
+ /*
+ * The last argument was previously (void *)ctx->extension_cb,
+ * but ISO C doesn't permit converting a function pointer to void *.
+ * For lack of better information, I'm placing a NULL there instead.
+ * The callback can pick its own address out from the ctx anyway...
+ */
+ ok = (*ctx->extension_cb) (ctx, ext, NULL);
+ }
+
+ 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;
+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;
+
+ 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;
+ }
+
+ if ((p7 = PKCS7_new()) == NULL) {
+ TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!PKCS7_set_type(p7, NID_pkcs7_signed))
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.sign->version, 3))
+ goto err;
+
+ if (ctx->request->cert_req) {
+ 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);
+ }
+ }
+ }
+
+ if ((si = PKCS7_add_signature(p7, ctx->signer_cert,
+ ctx->signer_key, ctx->signer_md)) == NULL) {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNATURE_ERROR);
+ goto err;
+ }
+
+ 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;
+ }
+
+ certs = ctx->flags & TS_ESS_CERT_ID_CHAIN ? ctx->certs : NULL;
+ if ((sc = ess_SIGNING_CERT_new_init(ctx->signer_cert, certs)) == NULL)
+ goto err;
+ if (!ESS_add_signing_cert(si, sc)) {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_ESS_ADD_SIGNING_CERT_ERROR);
+ goto err;
+ }
+
+ if (!ts_TST_INFO_content_new(p7))
+ goto err;
+ if ((p7bio = PKCS7_dataInit(p7, NULL)) == NULL) {
+ TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!i2d_TS_TST_INFO_bio(p7bio, ctx->tst_info)) {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
+ goto err;
+ }
+ if (!PKCS7_dataFinal(p7, p7bio)) {
+ TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
+ goto err;
+ }
+ 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;
+ 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;
+
+ if ((sc = ESS_SIGNING_CERT_new()) == NULL)
+ goto err;
+ if (sc->cert_ids == NULL
+ && (sc->cert_ids = sk_ESS_CERT_ID_new_null()) == NULL)
+ goto err;
+
+ if ((cid = ess_CERT_ID_new_init(signcert, 0)) == NULL
+ || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+ goto err;
+ for (i = 0; i < sk_X509_num(certs); ++i) {
+ X509 *cert = sk_X509_value(certs, i);
+ if ((cid = ess_CERT_ID_new_init(cert, 1)) == NULL
+ || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
+ goto err;
+ }
+
+ return sc;
err:
- ASN1_OCTET_STRING_free(octet_string);
- PKCS7_free(ret);
- return 0;
- }
+ 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;
+ unsigned char cert_sha1[SHA_DIGEST_LENGTH];
+
+ /* Call for side-effect of computing hash and caching extensions */
+ X509_check_purpose(cert, -1, 0);
+ if ((cid = ESS_CERT_ID_new()) == NULL)
+ goto err;
+ X509_digest(cert, EVP_sha1(), cert_sha1, NULL);
+ if (!ASN1_OCTET_STRING_set(cid->hash, cert_sha1, SHA_DIGEST_LENGTH))
+ goto err;
+
+ /* Setting the issuer/serial if requested. */
+ if (issuer_needed) {
+ if (cid->issuer_serial == NULL
+ && (cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
+ goto err;
+ if ((name = GENERAL_NAME_new()) == NULL)
+ goto err;
+ name->type = GEN_DIRNAME;
+ if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
+ goto err;
+ if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
+ goto err;
+ name = NULL; /* Ownership is lost. */
+ ASN1_INTEGER_free(cid->issuer_serial->serial);
+ if (!(cid->issuer_serial->serial =
+ ASN1_INTEGER_dup(X509_get_serialNumber(cert))))
+ goto err;
+ }
+
+ return cid;
+ err:
+ GENERAL_NAME_free(name);
+ ESS_CERT_ID_free(cid);
+ 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()) == NULL)
+ goto err;
+ if ((ret->d.other = ASN1_TYPE_new()) == NULL)
+ goto err;
+ ret->type = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
+ if ((octet_string = ASN1_OCTET_STRING_new()) == NULL)
+ 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);
+{
+ ASN1_STRING *seq = NULL;
+ unsigned char *p, *pp = NULL;
+ int len;
+
+ len = i2d_ESS_SIGNING_CERT(sc, NULL);
+ if ((pp = OPENSSL_malloc(len)) == NULL) {
+ 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()) == NULL || !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;
+ 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)) == NULL)
+ 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) {
+ BIO_snprintf(p, 2 + precision, ".%06ld", usec);
+ 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')
+ continue;
+ if (*p != '.')
+ ++p;
+ }
+ *p++ = 'Z';
+ *p++ = '\0';
+
+ if (asn1_time == NULL
+ && (asn1_time = ASN1_GENERALIZEDTIME_new()) == NULL)
+ 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;
- }
+ TSerr(TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION, TS_R_COULD_NOT_SET_TIME);
+ return NULL;
+}
projects / openssl.git / blobdiff