1 /* 2 * Copyright 2015-2024 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 11 12 #ifndef OPENSSL_COMP_H 13 # define OPENSSL_COMP_H 14 # pragma once 15 16 # include <openssl/macros.h> 17 # ifndef OPENSSL_NO_DEPRECATED_3_0 18 # define HEADER_COMP_H 19 # endif 20 21 # include <openssl/opensslconf.h> 22 23 # include <openssl/crypto.h> 24 # include <openssl/comperr.h> 25 # ifdef __cplusplus 26 extern "C" { 27 # endif 28 29 30 31 # ifndef OPENSSL_NO_COMP 32 33 COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); 34 const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx); 35 int COMP_CTX_get_type(const COMP_CTX* comp); 36 int COMP_get_type(const COMP_METHOD *meth); 37 const char *COMP_get_name(const COMP_METHOD *meth); 38 void COMP_CTX_free(COMP_CTX *ctx); 39 40 int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, 41 unsigned char *in, int ilen); 42 int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, 43 unsigned char *in, int ilen); 44 45 COMP_METHOD *COMP_zlib(void); 46 COMP_METHOD *COMP_zlib_oneshot(void); 47 COMP_METHOD *COMP_brotli(void); 48 COMP_METHOD *COMP_brotli_oneshot(void); 49 COMP_METHOD *COMP_zstd(void); 50 COMP_METHOD *COMP_zstd_oneshot(void); 51 52 # ifndef OPENSSL_NO_DEPRECATED_1_1_0 53 # define COMP_zlib_cleanup() while(0) continue 54 # endif 55 56 # ifdef OPENSSL_BIO_H 57 const BIO_METHOD *BIO_f_zlib(void); 58 const BIO_METHOD *BIO_f_brotli(void); 59 const BIO_METHOD *BIO_f_zstd(void); 60 # endif 61 62 # endif 63 64 typedef struct ssl_comp_st SSL_COMP; 65 66 SKM_DEFINE_STACK_OF_INTERNAL(SSL_COMP, SSL_COMP, SSL_COMP) 67 #define sk_SSL_COMP_num(sk) OPENSSL_sk_num(ossl_check_const_SSL_COMP_sk_type(sk)) 68 #define sk_SSL_COMP_value(sk, idx) ((SSL_COMP *)OPENSSL_sk_value(ossl_check_const_SSL_COMP_sk_type(sk), (idx))) 69 #define sk_SSL_COMP_new(cmp) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new(ossl_check_SSL_COMP_compfunc_type(cmp))) 70 #define sk_SSL_COMP_new_null() ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new_null()) 71 #define sk_SSL_COMP_new_reserve(cmp, n) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new_reserve(ossl_check_SSL_COMP_compfunc_type(cmp), (n))) 72 #define sk_SSL_COMP_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SSL_COMP_sk_type(sk), (n)) 73 #define sk_SSL_COMP_free(sk) OPENSSL_sk_free(ossl_check_SSL_COMP_sk_type(sk)) 74 #define sk_SSL_COMP_zero(sk) OPENSSL_sk_zero(ossl_check_SSL_COMP_sk_type(sk)) 75 #define sk_SSL_COMP_delete(sk, i) ((SSL_COMP *)OPENSSL_sk_delete(ossl_check_SSL_COMP_sk_type(sk), (i))) 76 #define sk_SSL_COMP_delete_ptr(sk, ptr) ((SSL_COMP *)OPENSSL_sk_delete_ptr(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr))) 77 #define sk_SSL_COMP_push(sk, ptr) OPENSSL_sk_push(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr)) 78 #define sk_SSL_COMP_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr)) 79 #define sk_SSL_COMP_pop(sk) ((SSL_COMP *)OPENSSL_sk_pop(ossl_check_SSL_COMP_sk_type(sk))) 80 #define sk_SSL_COMP_shift(sk) ((SSL_COMP *)OPENSSL_sk_shift(ossl_check_SSL_COMP_sk_type(sk))) 81 #define sk_SSL_COMP_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SSL_COMP_sk_type(sk),ossl_check_SSL_COMP_freefunc_type(freefunc)) 82 #define sk_SSL_COMP_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr), (idx)) 83 #define sk_SSL_COMP_set(sk, idx, ptr) ((SSL_COMP *)OPENSSL_sk_set(ossl_check_SSL_COMP_sk_type(sk), (idx), ossl_check_SSL_COMP_type(ptr))) 84 #define sk_SSL_COMP_find(sk, ptr) OPENSSL_sk_find(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr)) 85 #define sk_SSL_COMP_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr)) 86 #define sk_SSL_COMP_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr), pnum) 87 #define sk_SSL_COMP_sort(sk) OPENSSL_sk_sort(ossl_check_SSL_COMP_sk_type(sk)) 88 #define sk_SSL_COMP_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SSL_COMP_sk_type(sk)) 89 #define sk_SSL_COMP_dup(sk) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_dup(ossl_check_const_SSL_COMP_sk_type(sk))) 90 #define sk_SSL_COMP_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_deep_copy(ossl_check_const_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_copyfunc_type(copyfunc), ossl_check_SSL_COMP_freefunc_type(freefunc))) 91 #define sk_SSL_COMP_set_cmp_func(sk, cmp) ((sk_SSL_COMP_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_compfunc_type(cmp))) 92 93 94 95 # ifdef __cplusplus 96 } 97 # endif 98 #endif 99