X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbio%2Fbss_sock.c;h=570e8985af57aab0ccc39da22c88898f13179613;hp=30c3ceab468cf1ca50a9bb65e8f51dbda014d727;hb=0a5fe2eb94ad7085fee59c3908b546af7530c9d3;hpb=c836f8ef73c497d733be3cb9d57fc47734f99b0a diff --git a/crypto/bio/bss_sock.c b/crypto/bio/bss_sock.c index 30c3ceab46..570e8985af 100644 --- a/crypto/bio/bss_sock.c +++ b/crypto/bio/bss_sock.c @@ -1,75 +1,31 @@ -/* crypto/bio/bss_sock.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * 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 #include #define USE_SOCKETS -#include "cryptlib.h" +#include "bio_lcl.h" +#include "internal/cryptlib.h" #ifndef OPENSSL_NO_SOCK -#include +# include -#ifdef WATT32 -#define sock_write SockWrite /* Watt-32 uses same names */ -#define sock_read SockRead -#define sock_puts SockPuts -#endif +# ifdef WATT32 +/* Watt-32 uses same names */ +# undef sock_write +# undef sock_read +# undef sock_puts +# define sock_write SockWrite +# define sock_read SockRead +# define sock_puts SockPuts +# endif static int sock_write(BIO *h, const char *buf, int num); static int sock_read(BIO *h, char *buf, int size); @@ -79,229 +35,197 @@ static int sock_new(BIO *h); static int sock_free(BIO *data); int BIO_sock_should_retry(int s); -static BIO_METHOD methods_sockp= - { - BIO_TYPE_SOCKET, - "socket", - sock_write, - sock_read, - sock_puts, - NULL, /* sock_gets, */ - sock_ctrl, - sock_new, - sock_free, - NULL, - }; - -BIO_METHOD *BIO_s_socket(void) - { - return(&methods_sockp); - } +static const BIO_METHOD methods_sockp = { + BIO_TYPE_SOCKET, + "socket", + sock_write, + sock_read, + sock_puts, + NULL, /* sock_gets, */ + sock_ctrl, + sock_new, + sock_free, + NULL, +}; + +const BIO_METHOD *BIO_s_socket(void) +{ + return (&methods_sockp); +} BIO *BIO_new_socket(int fd, int close_flag) - { - BIO *ret; +{ + BIO *ret; - ret=BIO_new(BIO_s_socket()); - if (ret == NULL) return(NULL); - BIO_set_fd(ret,fd,close_flag); - return(ret); - } + ret = BIO_new(BIO_s_socket()); + if (ret == NULL) + return (NULL); + BIO_set_fd(ret, fd, close_flag); + return (ret); +} static int sock_new(BIO *bi) - { - bi->init=0; - bi->num=0; - bi->ptr=NULL; - bi->flags=0; - return(1); - } +{ + bi->init = 0; + bi->num = 0; + bi->ptr = NULL; + bi->flags = 0; + return (1); +} static int sock_free(BIO *a) - { - if (a == NULL) return(0); - if (a->shutdown) - { - if (a->init) - { - SHUTDOWN2(a->num); - } - a->init=0; - a->flags=0; - } - return(1); - } - -static int sock_read(BIO *b, char *out, int outl) - { - int ret=0; +{ + if (a == NULL) + return (0); + if (a->shutdown) { + if (a->init) { + BIO_closesocket(a->num); + } + a->init = 0; + a->flags = 0; + } + return (1); +} - if (out != NULL) - { - clear_socket_error(); - ret=readsocket(b->num,out,outl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_sock_should_retry(ret)) - BIO_set_retry_read(b); - } - } - return(ret); - } +static int sock_read(BIO *b, char *out, int outl) +{ + int ret = 0; + + if (out != NULL) { + clear_socket_error(); + ret = readsocket(b->num, out, outl); + BIO_clear_retry_flags(b); + if (ret <= 0) { + if (BIO_sock_should_retry(ret)) + BIO_set_retry_read(b); + } + } + return (ret); +} static int sock_write(BIO *b, const char *in, int inl) - { - int ret; - - clear_socket_error(); - ret=writesocket(b->num,in,inl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_sock_should_retry(ret)) - BIO_set_retry_write(b); - } - return(ret); - } +{ + int ret; + + clear_socket_error(); + ret = writesocket(b->num, in, inl); + BIO_clear_retry_flags(b); + if (ret <= 0) { + if (BIO_sock_should_retry(ret)) + BIO_set_retry_write(b); + } + return (ret); +} static long sock_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret=1; - int *ip; - - switch (cmd) - { - case BIO_CTRL_RESET: - num=0; - case BIO_C_FILE_SEEK: - ret=0; - break; - case BIO_C_FILE_TELL: - case BIO_CTRL_INFO: - ret=0; - break; - case BIO_C_SET_FD: - sock_free(b); - b->num= *((int *)ptr); - b->shutdown=(int)num; - b->init=1; - break; - case BIO_C_GET_FD: - if (b->init) - { - ip=(int *)ptr; - if (ip != NULL) *ip=b->num; - ret=b->num; - } - else - ret= -1; - break; - case BIO_CTRL_GET_CLOSE: - ret=b->shutdown; - break; - case BIO_CTRL_SET_CLOSE: - b->shutdown=(int)num; - break; - case BIO_CTRL_PENDING: - case BIO_CTRL_WPENDING: - ret=0; - break; - case BIO_CTRL_DUP: - case BIO_CTRL_FLUSH: - ret=1; - break; - default: - ret=0; - break; - } - return(ret); - } +{ + long ret = 1; + int *ip; + + switch (cmd) { + case BIO_C_SET_FD: + sock_free(b); + b->num = *((int *)ptr); + b->shutdown = (int)num; + b->init = 1; + break; + case BIO_C_GET_FD: + if (b->init) { + ip = (int *)ptr; + if (ip != NULL) + *ip = b->num; + ret = b->num; + } else + ret = -1; + break; + case BIO_CTRL_GET_CLOSE: + ret = b->shutdown; + break; + case BIO_CTRL_SET_CLOSE: + b->shutdown = (int)num; + break; + case BIO_CTRL_DUP: + case BIO_CTRL_FLUSH: + ret = 1; + break; + default: + ret = 0; + break; + } + return (ret); +} static int sock_puts(BIO *bp, const char *str) - { - int n,ret; +{ + int n, ret; - n=strlen(str); - ret=sock_write(bp,str,n); - return(ret); - } + n = strlen(str); + ret = sock_write(bp, str, n); + return (ret); +} int BIO_sock_should_retry(int i) - { - int err; - - if ((i == 0) || (i == -1)) - { - err=get_last_socket_error(); +{ + int err; -#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */ - if ((i == -1) && (err == 0)) - return(1); -#endif + if ((i == 0) || (i == -1)) { + err = get_last_socket_error(); - return(BIO_sock_non_fatal_error(err)); - } - return(0); - } + return (BIO_sock_non_fatal_error(err)); + } + return (0); +} int BIO_sock_non_fatal_error(int err) - { - switch (err) - { -#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_NETWARE) -# if defined(WSAEWOULDBLOCK) - case WSAEWOULDBLOCK: -# endif - -# if 0 /* This appears to always be an error */ -# if defined(WSAENOTCONN) - case WSAENOTCONN: +{ + switch (err) { +# if defined(OPENSSL_SYS_WINDOWS) +# if defined(WSAEWOULDBLOCK) + case WSAEWOULDBLOCK: # endif # endif -#endif -#ifdef EWOULDBLOCK -# ifdef WSAEWOULDBLOCK -# if WSAEWOULDBLOCK != EWOULDBLOCK - case EWOULDBLOCK: +# ifdef EWOULDBLOCK +# ifdef WSAEWOULDBLOCK +# if WSAEWOULDBLOCK != EWOULDBLOCK + case EWOULDBLOCK: +# endif +# else + case EWOULDBLOCK: # endif -# else - case EWOULDBLOCK: # endif -#endif -#if defined(ENOTCONN) - case ENOTCONN: -#endif - -#ifdef EINTR - case EINTR: -#endif +# if defined(ENOTCONN) + case ENOTCONN: +# endif -#ifdef EAGAIN -# if EWOULDBLOCK != EAGAIN - case EAGAIN: +# ifdef EINTR + case EINTR: # endif -#endif -#ifdef EPROTO - case EPROTO: -#endif +# ifdef EAGAIN +# if EWOULDBLOCK != EAGAIN + case EAGAIN: +# endif +# endif -#ifdef EINPROGRESS - case EINPROGRESS: -#endif +# ifdef EPROTO + case EPROTO: +# endif -#ifdef EALREADY - case EALREADY: -#endif - return(1); - /* break; */ - default: - break; - } - return(0); - } +# ifdef EINPROGRESS + case EINPROGRESS: +# endif -#endif /* #ifndef OPENSSL_NO_SOCK */ +# ifdef EALREADY + case EALREADY: +# endif + return (1); + /* break; */ + default: + break; + } + return (0); +} + +#endif /* #ifndef OPENSSL_NO_SOCK */