diff options
Diffstat (limited to 'NorthstarDLL/include/internal/bio.h')
-rw-r--r-- | NorthstarDLL/include/internal/bio.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/NorthstarDLL/include/internal/bio.h b/NorthstarDLL/include/internal/bio.h new file mode 100644 index 00000000..2d36a7b9 --- /dev/null +++ b/NorthstarDLL/include/internal/bio.h @@ -0,0 +1,91 @@ +/* + * Copyright 2016-2021 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 OSSL_INTERNAL_BIO_H +# define OSSL_INTERNAL_BIO_H +# pragma once + +# include <openssl/core.h> +# include <openssl/bio.h> + +struct bio_method_st { + int type; + char *name; + int (*bwrite) (BIO *, const char *, size_t, size_t *); + int (*bwrite_old) (BIO *, const char *, int); + int (*bread) (BIO *, char *, size_t, size_t *); + int (*bread_old) (BIO *, char *, int); + int (*bputs) (BIO *, const char *); + int (*bgets) (BIO *, char *, int); + long (*ctrl) (BIO *, int, long, void *); + int (*create) (BIO *); + int (*destroy) (BIO *); + long (*callback_ctrl) (BIO *, int, BIO_info_cb *); +}; + +void bio_free_ex_data(BIO *bio); +void bio_cleanup(void); + + +/* Old style to new style BIO_METHOD conversion functions */ +int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written); +int bread_conv(BIO *bio, char *data, size_t datal, size_t *read); + +/* Changes to these internal BIOs must also update include/openssl/bio.h */ +# define BIO_CTRL_SET_KTLS 72 +# define BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG 74 +# define BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG 75 + +/* + * This is used with socket BIOs: + * BIO_FLAGS_KTLS_TX means we are using ktls with this BIO for sending. + * BIO_FLAGS_KTLS_TX_CTRL_MSG means we are about to send a ctrl message next. + * BIO_FLAGS_KTLS_RX means we are using ktls with this BIO for receiving. + */ +# define BIO_FLAGS_KTLS_TX 0x800 +# define BIO_FLAGS_KTLS_TX_CTRL_MSG 0x1000 +# define BIO_FLAGS_KTLS_RX 0x2000 + +/* KTLS related controls and flags */ +# define BIO_set_ktls_flag(b, is_tx) \ + BIO_set_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX) +# define BIO_should_ktls_flag(b, is_tx) \ + BIO_test_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX) +# define BIO_set_ktls_ctrl_msg_flag(b) \ + BIO_set_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG) +# define BIO_should_ktls_ctrl_msg_flag(b) \ + BIO_test_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG) +# define BIO_clear_ktls_ctrl_msg_flag(b) \ + BIO_clear_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG) + +# define BIO_set_ktls(b, keyblob, is_tx) \ + BIO_ctrl(b, BIO_CTRL_SET_KTLS, is_tx, keyblob) +# define BIO_set_ktls_ctrl_msg(b, record_type) \ + BIO_ctrl(b, BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG, record_type, NULL) +# define BIO_clear_ktls_ctrl_msg(b) \ + BIO_ctrl(b, BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG, 0, NULL) + +/* Functions to allow the core to offer the CORE_BIO type to providers */ +OSSL_CORE_BIO *ossl_core_bio_new_from_bio(BIO *bio); +OSSL_CORE_BIO *ossl_core_bio_new_file(const char *filename, const char *mode); +OSSL_CORE_BIO *ossl_core_bio_new_mem_buf(const void *buf, int len); +int ossl_core_bio_read_ex(OSSL_CORE_BIO *cb, void *data, size_t dlen, + size_t *readbytes); +int ossl_core_bio_write_ex(OSSL_CORE_BIO *cb, const void *data, size_t dlen, + size_t *written); +int ossl_core_bio_gets(OSSL_CORE_BIO *cb, char *buf, int size); +int ossl_core_bio_puts(OSSL_CORE_BIO *cb, const char *buf); +long ossl_core_bio_ctrl(OSSL_CORE_BIO *cb, int cmd, long larg, void *parg); +int ossl_core_bio_up_ref(OSSL_CORE_BIO *cb); +int ossl_core_bio_free(OSSL_CORE_BIO *cb); +int ossl_core_bio_vprintf(OSSL_CORE_BIO *cb, const char *format, va_list args); + +int ossl_bio_init_core(OSSL_LIB_CTX *libctx, const OSSL_DISPATCH *fns); + +#endif |