diff options
Diffstat (limited to 'crypto/bio/bio_lcl.h')
| -rw-r--r-- | crypto/bio/bio_lcl.h | 156 |
1 files changed, 155 insertions, 1 deletions
diff --git a/crypto/bio/bio_lcl.h b/crypto/bio/bio_lcl.h index 741884da84fa..e2c05a20de6c 100644 --- a/crypto/bio/bio_lcl.h +++ b/crypto/bio/bio_lcl.h @@ -1,4 +1,156 @@ -#include <openssl/bio.h> +/* + * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 + */ + +#include "e_os.h" +#include "internal/sockets.h" +#include "internal/refcount.h" + +/* BEGIN BIO_ADDRINFO/BIO_ADDR stuff. */ + +#ifndef OPENSSL_NO_SOCK +/* + * Throughout this file and b_addr.c, the existence of the macro + * AI_PASSIVE is used to detect the availability of struct addrinfo, + * getnameinfo() and getaddrinfo(). If that macro doesn't exist, + * we use our own implementation instead. + */ + +/* + * It's imperative that these macros get defined before openssl/bio.h gets + * included. Otherwise, the AI_PASSIVE hack will not work properly. + * For clarity, we check for internal/cryptlib.h since it's a common header + * that also includes bio.h. + */ +# ifdef HEADER_CRYPTLIB_H +# error internal/cryptlib.h included before bio_lcl.h +# endif +# ifdef HEADER_BIO_H +# error openssl/bio.h included before bio_lcl.h +# endif + +/* + * Undefine AF_UNIX on systems that define it but don't support it. + */ +# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_VMS) +# undef AF_UNIX +# endif + +# ifdef AI_PASSIVE + +/* + * There's a bug in VMS C header file netdb.h, where struct addrinfo + * always is the P32 variant, but the functions that handle that structure, + * such as getaddrinfo() and freeaddrinfo() adapt to the initial pointer + * size. The easiest workaround is to force struct addrinfo to be the + * 64-bit variant when compiling in P64 mode. + */ +# if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE == 64 +# define addrinfo __addrinfo64 +# endif + +# define bio_addrinfo_st addrinfo +# define bai_family ai_family +# define bai_socktype ai_socktype +# define bai_protocol ai_protocol +# define bai_addrlen ai_addrlen +# define bai_addr ai_addr +# define bai_next ai_next +# else +struct bio_addrinfo_st { + int bai_family; + int bai_socktype; + int bai_protocol; + size_t bai_addrlen; + struct sockaddr *bai_addr; + struct bio_addrinfo_st *bai_next; +}; +# endif + +union bio_addr_st { + struct sockaddr sa; +# ifdef AF_INET6 + struct sockaddr_in6 s_in6; +# endif + struct sockaddr_in s_in; +# ifdef AF_UNIX + struct sockaddr_un s_un; +# endif +}; +#endif + +/* END BIO_ADDRINFO/BIO_ADDR stuff. */ + +#include "internal/cryptlib.h" +#include "internal/bio.h" + +typedef struct bio_f_buffer_ctx_struct { + /*- + * Buffers are setup like this: + * + * <---------------------- size -----------------------> + * +---------------------------------------------------+ + * | consumed | remaining | free space | + * +---------------------------------------------------+ + * <-- off --><------- len -------> + */ + /*- BIO *bio; *//* + * this is now in the BIO struct + */ + int ibuf_size; /* how big is the input buffer */ + int obuf_size; /* how big is the output buffer */ + char *ibuf; /* the char array */ + int ibuf_len; /* how many bytes are in it */ + int ibuf_off; /* write/read offset */ + char *obuf; /* the char array */ + int obuf_len; /* how many bytes are in it */ + int obuf_off; /* write/read offset */ +} BIO_F_BUFFER_CTX; + +struct bio_st { + const BIO_METHOD *method; + /* bio, mode, argp, argi, argl, ret */ + BIO_callback_fn callback; + BIO_callback_fn_ex callback_ex; + char *cb_arg; /* first argument for the callback */ + int init; + int shutdown; + int flags; /* extra storage */ + int retry_reason; + int num; + void *ptr; + struct bio_st *next_bio; /* used by filter BIOs */ + struct bio_st *prev_bio; /* used by filter BIOs */ + CRYPTO_REF_COUNT references; + uint64_t num_read; + uint64_t num_write; + CRYPTO_EX_DATA ex_data; + CRYPTO_RWLOCK *lock; +}; + +#ifndef OPENSSL_NO_SOCK +# ifdef OPENSSL_SYS_VMS +typedef unsigned int socklen_t; +# endif + +extern CRYPTO_RWLOCK *bio_lookup_lock; + +int BIO_ADDR_make(BIO_ADDR *ap, const struct sockaddr *sa); +const struct sockaddr *BIO_ADDR_sockaddr(const BIO_ADDR *ap); +struct sockaddr *BIO_ADDR_sockaddr_noconst(BIO_ADDR *ap); +socklen_t BIO_ADDR_sockaddr_size(const BIO_ADDR *ap); +socklen_t BIO_ADDRINFO_sockaddr_size(const BIO_ADDRINFO *bai); +const struct sockaddr *BIO_ADDRINFO_sockaddr(const BIO_ADDRINFO *bai); +#endif + +extern CRYPTO_RWLOCK *bio_type_lock; + +void bio_sock_cleanup_int(void); #if BIO_FLAGS_UPLINK==0 /* Shortcut UPLINK calls on most platforms... */ @@ -33,4 +185,6 @@ # define UP_lseek lseek # define UP_close close # endif + #endif + |