mirror of
https://github.com/openssl/openssl.git
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d3e6d6bcdf
Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org>
174 lines
5.0 KiB
C
174 lines
5.0 KiB
C
#define USE_SOCKETS
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#include "e_os.h"
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/* BEGIN BIO_ADDRINFO/BIO_ADDR stuff. */
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#ifndef OPENSSL_NO_SOCK
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/*
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* Throughout this file and b_addr.c, the existence of the macro
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* AI_PASSIVE is used to detect the availability of struct addrinfo,
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* getnameinfo() and getaddrinfo(). If that macro doesn't exist,
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* we use our own implementation instead.
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*/
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/*
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* It's imperative that these macros get defined before openssl/bio.h gets
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* included. Otherwise, the AI_PASSIVE hack will not work properly.
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* For clarity, we check for internal/cryptlib.h since it's a common header
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* that also includes bio.h.
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*/
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# ifdef HEADER_CRYPTLIB_H
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# error internal/cryptlib.h included before bio_lcl.h
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# endif
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# ifdef HEADER_BIO_H
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# error openssl/bio.h included before bio_lcl.h
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# endif
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/*
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* Undefine AF_UNIX on systems that define it but don't support it.
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*/
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# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_VMS)
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# undef AF_UNIX
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# endif
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# ifdef AI_PASSIVE
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/*
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* There's a bug in VMS C header file netdb.h, where struct addrinfo
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* always is the P32 variant, but the functions that handle that structure,
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* such as getaddrinfo() and freeaddrinfo() adapt to the initial pointer
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* size. The easiest workaround is to force struct addrinfo to be the
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* 64-bit variant when compiling in P64 mode.
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*/
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# if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE == 64
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# define addrinfo __addrinfo64
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# endif
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# define bio_addrinfo_st addrinfo
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# define bai_family ai_family
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# define bai_socktype ai_socktype
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# define bai_protocol ai_protocol
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# define bai_addrlen ai_addrlen
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# define bai_addr ai_addr
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# define bai_next ai_next
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# else
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struct bio_addrinfo_st {
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int bai_family;
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int bai_socktype;
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int bai_protocol;
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size_t bai_addrlen;
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struct sockaddr *bai_addr;
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struct bio_addrinfo_st *bai_next;
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};
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# endif
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union bio_addr_st {
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struct sockaddr sa;
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# ifdef AF_INET6
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struct sockaddr_in6 s_in6;
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# endif
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struct sockaddr_in s_in;
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# ifdef AF_UNIX
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struct sockaddr_un s_un;
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# endif
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};
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#endif
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/* END BIO_ADDRINFO/BIO_ADDR stuff. */
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#include "internal/cryptlib.h"
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#include <internal/bio.h>
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typedef struct bio_f_buffer_ctx_struct {
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/*-
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* Buffers are setup like this:
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*
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* <---------------------- size ----------------------->
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* +---------------------------------------------------+
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* | consumed | remaining | free space |
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* +---------------------------------------------------+
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* <-- off --><------- len ------->
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*/
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/*- BIO *bio; *//*
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* this is now in the BIO struct
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*/
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int ibuf_size; /* how big is the input buffer */
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int obuf_size; /* how big is the output buffer */
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char *ibuf; /* the char array */
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int ibuf_len; /* how many bytes are in it */
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int ibuf_off; /* write/read offset */
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char *obuf; /* the char array */
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int obuf_len; /* how many bytes are in it */
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int obuf_off; /* write/read offset */
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} BIO_F_BUFFER_CTX;
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struct bio_st {
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const BIO_METHOD *method;
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/* bio, mode, argp, argi, argl, ret */
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long (*callback) (struct bio_st *, int, const char *, int, long, long);
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char *cb_arg; /* first argument for the callback */
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int init;
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int shutdown;
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int flags; /* extra storage */
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int retry_reason;
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int num;
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void *ptr;
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struct bio_st *next_bio; /* used by filter BIOs */
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struct bio_st *prev_bio; /* used by filter BIOs */
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int references;
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uint64_t num_read;
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uint64_t num_write;
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CRYPTO_EX_DATA ex_data;
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CRYPTO_RWLOCK *lock;
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};
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#ifndef OPENSSL_NO_SOCK
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# ifdef OPENSSL_SYS_VMS
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typedef unsigned int socklen_t;
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# endif
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int BIO_ADDR_make(BIO_ADDR *ap, const struct sockaddr *sa);
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const struct sockaddr *BIO_ADDR_sockaddr(const BIO_ADDR *ap);
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struct sockaddr *BIO_ADDR_sockaddr_noconst(BIO_ADDR *ap);
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socklen_t BIO_ADDR_sockaddr_size(const BIO_ADDR *ap);
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socklen_t BIO_ADDRINFO_sockaddr_size(const BIO_ADDRINFO *bai);
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const struct sockaddr *BIO_ADDRINFO_sockaddr(const BIO_ADDRINFO *bai);
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#endif
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#if BIO_FLAGS_UPLINK==0
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/* Shortcut UPLINK calls on most platforms... */
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# define UP_stdin stdin
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# define UP_stdout stdout
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# define UP_stderr stderr
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# define UP_fprintf fprintf
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# define UP_fgets fgets
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# define UP_fread fread
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# define UP_fwrite fwrite
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# undef UP_fsetmod
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# define UP_feof feof
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# define UP_fclose fclose
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# define UP_fopen fopen
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# define UP_fseek fseek
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# define UP_ftell ftell
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# define UP_fflush fflush
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# define UP_ferror ferror
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# ifdef _WIN32
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# define UP_fileno _fileno
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# define UP_open _open
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# define UP_read _read
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# define UP_write _write
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# define UP_lseek _lseek
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# define UP_close _close
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# else
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# define UP_fileno fileno
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# define UP_open open
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# define UP_read read
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# define UP_write write
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# define UP_lseek lseek
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# define UP_close close
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# endif
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#endif
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