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/* * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OPENSSL_TS_H # define OPENSSL_TS_H # pragma once # include <openssl/macros.h> # ifndef OPENSSL_NO_DEPRECATED_3_0 # define HEADER_TS_H # endif # include <openssl/opensslconf.h> # ifndef OPENSSL_NO_TS # include <openssl/symhacks.h> # include <openssl/buffer.h> # include <openssl/evp.h> # include <openssl/bio.h> # include <openssl/asn1.h> # include <openssl/safestack.h> # include <openssl/rsa.h> # include <openssl/dsa.h> # include <openssl/dh.h> # include <openssl/tserr.h> # include <openssl/ess.h> # ifdef __cplusplus extern "C" { # endif # include <openssl/x509.h> # include <openssl/x509v3.h> typedef struct TS_msg_imprint_st TS_MSG_IMPRINT; typedef struct TS_req_st TS_REQ; typedef struct TS_accuracy_st TS_ACCURACY; typedef struct TS_tst_info_st TS_TST_INFO; /* Possible values for status. */ # define TS_STATUS_GRANTED 0 # define TS_STATUS_GRANTED_WITH_MODS 1 # define TS_STATUS_REJECTION 2 # define TS_STATUS_WAITING 3 # define TS_STATUS_REVOCATION_WARNING 4 # define TS_STATUS_REVOCATION_NOTIFICATION 5 /* Possible values for failure_info. */ # define TS_INFO_BAD_ALG 0 # define TS_INFO_BAD_REQUEST 2 # define TS_INFO_BAD_DATA_FORMAT 5 # define TS_INFO_TIME_NOT_AVAILABLE 14 # define TS_INFO_UNACCEPTED_POLICY 15 # define TS_INFO_UNACCEPTED_EXTENSION 16 # define TS_INFO_ADD_INFO_NOT_AVAILABLE 17 # define TS_INFO_SYSTEM_FAILURE 25 typedef struct TS_status_info_st TS_STATUS_INFO; typedef struct TS_resp_st TS_RESP; DECLARE_ASN1_ALLOC_FUNCTIONS(TS_REQ) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_REQ, TS_REQ) DECLARE_ASN1_DUP_FUNCTION(TS_REQ) #ifndef OPENSSL_NO_STDIO TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a); int i2d_TS_REQ_fp(FILE *fp, const TS_REQ *a); #endif TS_REQ *d2i_TS_REQ_bio(BIO *fp, TS_REQ **a); int i2d_TS_REQ_bio(BIO *fp, const TS_REQ *a); DECLARE_ASN1_ALLOC_FUNCTIONS(TS_MSG_IMPRINT) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_MSG_IMPRINT, TS_MSG_IMPRINT) DECLARE_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT) #ifndef OPENSSL_NO_STDIO TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a); int i2d_TS_MSG_IMPRINT_fp(FILE *fp, const TS_MSG_IMPRINT *a); #endif TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bio, TS_MSG_IMPRINT **a); int i2d_TS_MSG_IMPRINT_bio(BIO *bio, const TS_MSG_IMPRINT *a); DECLARE_ASN1_ALLOC_FUNCTIONS(TS_RESP) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_RESP, TS_RESP) DECLARE_ASN1_DUP_FUNCTION(TS_RESP) #ifndef OPENSSL_NO_STDIO TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a); int i2d_TS_RESP_fp(FILE *fp, const TS_RESP *a); #endif TS_RESP *d2i_TS_RESP_bio(BIO *bio, TS_RESP **a); int i2d_TS_RESP_bio(BIO *bio, const TS_RESP *a); DECLARE_ASN1_ALLOC_FUNCTIONS(TS_STATUS_INFO) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_STATUS_INFO, TS_STATUS_INFO) DECLARE_ASN1_DUP_FUNCTION(TS_STATUS_INFO) DECLARE_ASN1_ALLOC_FUNCTIONS(TS_TST_INFO) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_TST_INFO, TS_TST_INFO) DECLARE_ASN1_DUP_FUNCTION(TS_TST_INFO) TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token); #ifndef OPENSSL_NO_STDIO TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a); int i2d_TS_TST_INFO_fp(FILE *fp, const TS_TST_INFO *a); #endif TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bio, TS_TST_INFO **a); int i2d_TS_TST_INFO_bio(BIO *bio, const TS_TST_INFO *a); DECLARE_ASN1_ALLOC_FUNCTIONS(TS_ACCURACY) DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_ACCURACY, TS_ACCURACY) DECLARE_ASN1_DUP_FUNCTION(TS_ACCURACY) int TS_REQ_set_version(TS_REQ *a, long version); long TS_REQ_get_version(const TS_REQ *a); int TS_STATUS_INFO_set_status(TS_STATUS_INFO *a, int i); const ASN1_INTEGER *TS_STATUS_INFO_get0_status(const TS_STATUS_INFO *a); const STACK_OF(ASN1_UTF8STRING) * TS_STATUS_INFO_get0_text(const TS_STATUS_INFO *a); const ASN1_BIT_STRING * TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *a); int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint); TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a); int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg); X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a); int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len); ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a); int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy); ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a); int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce); const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a); int TS_REQ_set_cert_req(TS_REQ *a, int cert_req); int TS_REQ_get_cert_req(const TS_REQ *a); STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a); void TS_REQ_ext_free(TS_REQ *a); int TS_REQ_get_ext_count(TS_REQ *a); int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos); int TS_REQ_get_ext_by_OBJ(TS_REQ *a, const ASN1_OBJECT *obj, int lastpos); int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos); X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc); X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc); int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc); void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx); /* Function declarations for TS_REQ defined in ts/ts_req_print.c */ int TS_REQ_print_bio(BIO *bio, TS_REQ *a); /* Function declarations for TS_RESP defined in ts/ts_resp_utils.c */ int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info); TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a); /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */ void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info); PKCS7 *TS_RESP_get_token(TS_RESP *a); TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a); int TS_TST_INFO_set_version(TS_TST_INFO *a, long version); long TS_TST_INFO_get_version(const TS_TST_INFO *a); int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id); ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a); int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint); TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a); int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial); const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a); int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime); const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a); int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy); TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a); int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds); const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a); int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis); const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a); int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros); const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a); int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering); int TS_TST_INFO_get_ordering(const TS_TST_INFO *a); int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce); const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a); int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa); GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a); STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a); void TS_TST_INFO_ext_free(TS_TST_INFO *a); int TS_TST_INFO_get_ext_count(TS_TST_INFO *a); int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos); int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, const ASN1_OBJECT *obj, int lastpos); int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos); X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc); X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc); int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc); void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx); /* * Declarations related to response generation, defined in ts/ts_resp_sign.c. */ /* Optional flags for response generation. */ /* Don't include the TSA name in response. */ # define TS_TSA_NAME 0x01 /* Set ordering to true in response. */ # define TS_ORDERING 0x02 /* * Include the signer certificate and the other specified certificates in * the ESS signing certificate attribute beside the PKCS7 signed data. * Only the signer certificates is included by default. */ # define TS_ESS_CERT_ID_CHAIN 0x04 /* Forward declaration. */ struct TS_resp_ctx; /* This must return a unique number less than 160 bits long. */ typedef ASN1_INTEGER *(*TS_serial_cb) (struct TS_resp_ctx *, void *); /* * This must return the seconds and microseconds since Jan 1, 1970 in the sec * and usec variables allocated by the caller. Return non-zero for success * and zero for failure. */ typedef int (*TS_time_cb) (struct TS_resp_ctx *, void *, long *sec, long *usec); /* * This must process the given extension. It can modify the TS_TST_INFO * object of the context. Return values: !0 (processed), 0 (error, it must * set the status info/failure info of the response). */ typedef int (*TS_extension_cb) (struct TS_resp_ctx *, X509_EXTENSION *, void *); typedef struct TS_resp_ctx TS_RESP_CTX; /* Creates a response context that can be used for generating responses. */ TS_RESP_CTX *TS_RESP_CTX_new(void); TS_RESP_CTX *TS_RESP_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq); void TS_RESP_CTX_free(TS_RESP_CTX *ctx); /* This parameter must be set. */ int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer); /* This parameter must be set. */ int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key); int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx, const EVP_MD *signer_digest); int TS_RESP_CTX_set_ess_cert_id_digest(TS_RESP_CTX *ctx, const EVP_MD *md); /* This parameter must be set. */ int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy); /* No additional certs are included in the response by default. */ int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs); /* * Adds a new acceptable policy, only the default policy is accepted by * default. */ int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy); /* * Adds a new acceptable message digest. Note that no message digests are * accepted by default. The md argument is shared with the caller. */ int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md); /* Accuracy is not included by default. */ int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx, int secs, int millis, int micros); /* * Clock precision digits, i.e. the number of decimal digits: '0' means sec, * '3' msec, '6' usec, and so on. Default is 0. */ int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx, unsigned clock_precision_digits); /* At most we accept usec precision. */ # define TS_MAX_CLOCK_PRECISION_DIGITS 6 /* Maximum status message length */ # define TS_MAX_STATUS_LENGTH (1024 * 1024) /* No flags are set by default. */ void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags); /* Default callback always returns a constant. */ void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data); /* Default callback uses the gettimeofday() and gmtime() system calls. */ void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data); /* * Default callback rejects all extensions. The extension callback is called * when the TS_TST_INFO object is already set up and not signed yet. */ /* FIXME: extension handling is not tested yet. */ void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx, TS_extension_cb cb, void *data); /* The following methods can be used in the callbacks. */ int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx, int status, const char *text); /* Sets the status info only if it is still TS_STATUS_GRANTED. */ int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx, int status, const char *text); int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure); /* The get methods below can be used in the extension callback. */ TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx); TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx); /* * Creates the signed TS_TST_INFO and puts it in TS_RESP. * In case of errors it sets the status info properly. * Returns NULL only in case of memory allocation/fatal error. */ TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio); /* * Declarations related to response verification, * they are defined in ts/ts_resp_verify.c. */ int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs, X509_STORE *store, X509 **signer_out); /* Context structure for the generic verify method. */ /* Verify the signer's certificate and the signature of the response. */ # define TS_VFY_SIGNATURE (1u << 0) /* Verify the version number of the response. */ # define TS_VFY_VERSION (1u << 1) /* Verify if the policy supplied by the user matches the policy of the TSA. */ # define TS_VFY_POLICY (1u << 2) /* * Verify the message imprint provided by the user. This flag should not be * specified with TS_VFY_DATA. */ # define TS_VFY_IMPRINT (1u << 3) /* * Verify the message imprint computed by the verify method from the user * provided data and the MD algorithm of the response. This flag should not * be specified with TS_VFY_IMPRINT. */ # define TS_VFY_DATA (1u << 4) /* Verify the nonce value. */ # define TS_VFY_NONCE (1u << 5) /* Verify if the TSA name field matches the signer certificate. */ # define TS_VFY_SIGNER (1u << 6) /* Verify if the TSA name field equals to the user provided name. */ # define TS_VFY_TSA_NAME (1u << 7) /* You can use the following convenience constants. */ # define TS_VFY_ALL_IMPRINT (TS_VFY_SIGNATURE \ | TS_VFY_VERSION \ | TS_VFY_POLICY \ | TS_VFY_IMPRINT \ | TS_VFY_NONCE \ | TS_VFY_SIGNER \ | TS_VFY_TSA_NAME) # define TS_VFY_ALL_DATA (TS_VFY_SIGNATURE \ | TS_VFY_VERSION \ | TS_VFY_POLICY \ | TS_VFY_DATA \ | TS_VFY_NONCE \ | TS_VFY_SIGNER \ | TS_VFY_TSA_NAME) typedef struct TS_verify_ctx TS_VERIFY_CTX; int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response); int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token); /* * Declarations related to response verification context, */ TS_VERIFY_CTX *TS_VERIFY_CTX_new(void); void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx); void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx); void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx); int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int f); int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int f); BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *b); unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx, unsigned char *hexstr, long len); X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *s); # ifndef OPENSSL_NO_DEPRECATED_3_0 # define TS_VERIFY_CTS_set_certs(ctx, cert) TS_VERIFY_CTX_set_certs(ctx,cert) # endif STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx, STACK_OF(X509) *certs); /*- * If ctx is NULL, it allocates and returns a new object, otherwise * it returns ctx. It initialises all the members as follows: * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE) * certs = NULL * store = NULL * policy = policy from the request or NULL if absent (in this case * TS_VFY_POLICY is cleared from flags as well) * md_alg = MD algorithm from request * imprint, imprint_len = imprint from request * data = NULL * nonce, nonce_len = nonce from the request or NULL if absent (in this case * TS_VFY_NONCE is cleared from flags as well) * tsa_name = NULL * Important: after calling this method TS_VFY_SIGNATURE should be added! */ TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx); /* Function declarations for TS_RESP defined in ts/ts_resp_print.c */ int TS_RESP_print_bio(BIO *bio, TS_RESP *a); int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a); int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a); /* Common utility functions defined in ts/ts_lib.c */ int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num); int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj); int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions); int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg); int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg); /* * Function declarations for handling configuration options, defined in * ts/ts_conf.c */ X509 *TS_CONF_load_cert(const char *file); STACK_OF(X509) *TS_CONF_load_certs(const char *file); EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass); const char *TS_CONF_get_tsa_section(CONF *conf, const char *section); int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb, TS_RESP_CTX *ctx); #ifndef OPENSSL_NO_ENGINE int TS_CONF_set_crypto_device(CONF *conf, const char *section, const char *device); int TS_CONF_set_default_engine(const char *name); #endif int TS_CONF_set_signer_cert(CONF *conf, const char *section, const char *cert, TS_RESP_CTX *ctx); int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs, TS_RESP_CTX *ctx); int TS_CONF_set_signer_key(CONF *conf, const char *section, const char *key, const char *pass, TS_RESP_CTX *ctx); int TS_CONF_set_signer_digest(CONF *conf, const char *section, const char *md, TS_RESP_CTX *ctx); int TS_CONF_set_def_policy(CONF *conf, const char *section, const char *policy, TS_RESP_CTX *ctx); int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_clock_precision_digits(const CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section, TS_RESP_CTX *ctx); int TS_CONF_set_ess_cert_id_digest(CONF *conf, const char *section, TS_RESP_CTX *ctx); # ifdef __cplusplus } # endif # endif #endif