1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #ifndef OPENSSL_HEADER_BIO_INTERNAL_H 58 #define OPENSSL_HEADER_BIO_INTERNAL_H 59 60 #include <openssl/base.h> 61 62 #if !defined(OPENSSL_WINDOWS) 63 #if defined(OPENSSL_PNACL) 64 // newlib uses u_short in socket.h without defining it. 65 typedef unsigned short u_short; 66 #endif 67 #include <sys/types.h> 68 #include <sys/socket.h> 69 #else 70 OPENSSL_MSVC_PRAGMA(warning(push, 3)) 71 #include <winsock2.h> 72 OPENSSL_MSVC_PRAGMA(warning(pop)) 73 typedef int socklen_t; 74 #endif 75 76 #if defined(__cplusplus) 77 extern "C" { 78 #endif 79 80 81 // BIO_ip_and_port_to_socket_and_addr creates a socket and fills in |*out_addr| 82 // and |*out_addr_length| with the correct values for connecting to |hostname| 83 // on |port_str|. It returns one on success or zero on error. 84 int bio_ip_and_port_to_socket_and_addr(int *out_sock, 85 struct sockaddr_storage *out_addr, 86 socklen_t *out_addr_length, 87 const char *hostname, 88 const char *port_str); 89 90 // BIO_socket_nbio sets whether |sock| is non-blocking. It returns one on 91 // success and zero otherwise. 92 int bio_socket_nbio(int sock, int on); 93 94 // BIO_clear_socket_error clears the last system socket error. 95 // 96 // TODO(fork): remove all callers of this. 97 void bio_clear_socket_error(void); 98 99 // BIO_sock_error returns the last socket error on |sock|. 100 int bio_sock_error(int sock); 101 102 // BIO_fd_should_retry returns non-zero if |return_value| indicates an error 103 // and |errno| indicates that it's non-fatal. 104 int bio_fd_should_retry(int return_value); 105 106 107 #if defined(__cplusplus) 108 } // extern C 109 #endif 110 111 #endif // OPENSSL_HEADER_BIO_INTERNAL_H 112
