diff options
Diffstat (limited to 'crypto/ts/ts_rsp_sign.c')
| -rw-r--r-- | crypto/ts/ts_rsp_sign.c | 1697 |
1 files changed, 851 insertions, 846 deletions
diff --git a/crypto/ts/ts_rsp_sign.c b/crypto/ts/ts_rsp_sign.c index 2c0e94edda16..031d872e2cf6 100644 --- a/crypto/ts/ts_rsp_sign.c +++ b/crypto/ts/ts_rsp_sign.c @@ -1,6 +1,7 @@ /* 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. @@ -10,7 +11,7 @@ * 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 @@ -59,7 +60,7 @@ #include "cryptlib.h" #if defined(OPENSSL_SYS_UNIX) -#include <sys/time.h> +# include <sys/time.h> #endif #include <openssl/objects.h> @@ -76,945 +77,949 @@ 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 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_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); +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; +{ + 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; - } + 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; + } + /* 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; - } +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; - } + 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; +{ + 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)); + 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; + /* Setting default callbacks. */ + 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; + } + 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); +{ + 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; - } + 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; +{ + 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; - } + 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 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; +{ + 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; - } + 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; +{ + /* 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; 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()) + || !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; - } + 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())) + 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; - } + 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; +{ + 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; - } + 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); + + /* 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); - 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; - } +{ + 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; - } +{ + 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; - } +{ + 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; +} /* 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; - } +{ + 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; +} /* 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; + 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; 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; - } +{ + 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; +} /* 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; +{ + 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; - } + 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; - } +{ + 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; +{ + 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; - } + 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 = (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, ".%06ld", 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))) + 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, ".%06ld", 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; - } + TSerr(TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION, TS_R_COULD_NOT_SET_TIME); + return NULL; +} |