X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Frand%2Frand_egd.c;h=f4bfd8696c1543b361e9e51c226203c32466910c;hp=0f320945a44636a02706a952069ef4b14ef9cf6a;hb=b1322259d93cf6b6286f9febcd468b6a9f577d91;hpb=1d97c8435171a7af575f73c526d79e1ef0ee5960 diff --git a/crypto/rand/rand_egd.c b/crypto/rand/rand_egd.c index 0f320945a4..f4bfd8696c 100644 --- a/crypto/rand/rand_egd.c +++ b/crypto/rand/rand_egd.c @@ -1,62 +1,20 @@ -/* crypto/rand/rand_egd.c */ -/* Written by Ulf Moeller and Lutz Jaenicke for the OpenSSL project. */ -/* ==================================================================== - * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). +/* + * Copyright 2000-2016 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 -#include -#include +#include +#ifdef OPENSSL_NO_EGD +NON_EMPTY_TRANSLATION_UNIT +#else + +# include +# include +# include /*- * Query the EGD . @@ -95,209 +53,196 @@ * RAND_egd() is a wrapper for RAND_egd_bytes() with numbytes=255. */ -#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS) +# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI) int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) - { - return(-1); - } +{ + return (-1); +} + int RAND_egd(const char *path) - { - return(-1); - } +{ + return (-1); +} -int RAND_egd_bytes(const char *path,int bytes) - { - return(-1); - } -#else -#include -#include OPENSSL_UNISTD -#include -#include -#ifndef NO_SYS_UN_H -# ifdef OPENSSL_SYS_VXWORKS -# include +int RAND_egd_bytes(const char *path, int bytes) +{ + return (-1); +} # else -# include -# endif -#else -struct sockaddr_un { - short sun_family; /* AF_UNIX */ - char sun_path[108]; /* path name (gag) */ +# include +# include OPENSSL_UNISTD +# include +# include +# include +# ifndef NO_SYS_UN_H +# ifdef OPENSSL_SYS_VXWORKS +# include +# else +# include +# endif +# else +struct sockaddr_un { + short sun_family; /* AF_UNIX */ + char sun_path[108]; /* path name (gag) */ }; -#endif /* NO_SYS_UN_H */ -#include -#include - -#ifndef offsetof -# define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) -#endif +# endif /* NO_SYS_UN_H */ +# include +# include int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) - { - int ret = 0; - struct sockaddr_un addr; - int len, num, numbytes; - int fd = -1; - int success; - unsigned char egdbuf[2], tempbuf[255], *retrievebuf; +{ + int ret = 0; + struct sockaddr_un addr; + int len, num, numbytes; + int fd = -1; + int success; + unsigned char egdbuf[2], tempbuf[255], *retrievebuf; - memset(&addr, 0, sizeof(addr)); - addr.sun_family = AF_UNIX; - if (strlen(path) >= sizeof(addr.sun_path)) - return (-1); - BUF_strlcpy(addr.sun_path,path,sizeof addr.sun_path); - len = offsetof(struct sockaddr_un, sun_path) + strlen(path); - fd = socket(AF_UNIX, SOCK_STREAM, 0); - if (fd == -1) return (-1); - success = 0; - while (!success) - { - if (connect(fd, (struct sockaddr *)&addr, len) == 0) - success = 1; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif -#ifdef EINPROGRESS - case EINPROGRESS: -#endif -#ifdef EALREADY - case EALREADY: -#endif - /* No error, try again */ - break; -#ifdef EISCONN - case EISCONN: - success = 1; - break; -#endif - default: - goto err; /* failure */ - } - } - } + memset(&addr, 0, sizeof(addr)); + addr.sun_family = AF_UNIX; + if (strlen(path) >= sizeof(addr.sun_path)) + return (-1); + OPENSSL_strlcpy(addr.sun_path, path, sizeof addr.sun_path); + len = offsetof(struct sockaddr_un, sun_path) + strlen(path); + fd = socket(AF_UNIX, SOCK_STREAM, 0); + if (fd == -1) + return (-1); + success = 0; + while (!success) { + if (connect(fd, (struct sockaddr *)&addr, len) == 0) + success = 1; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif +# ifdef EINPROGRESS + case EINPROGRESS: +# endif +# ifdef EALREADY + case EALREADY: +# endif + /* No error, try again */ + break; +# ifdef EISCONN + case EISCONN: + success = 1; + break; +# endif + default: + goto err; /* failure */ + } + } + } - while(bytes > 0) - { - egdbuf[0] = 1; - egdbuf[1] = bytes < 255 ? bytes : 255; - numbytes = 0; - while (numbytes != 2) - { - num = write(fd, egdbuf + numbytes, 2 - numbytes); - if (num >= 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - numbytes = 0; - while (numbytes != 1) - { - num = read(fd, egdbuf, 1); - if (num == 0) - goto err; /* descriptor closed */ - else if (num > 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - if(egdbuf[0] == 0) - goto err; - if (buf) - retrievebuf = buf + ret; - else - retrievebuf = tempbuf; - numbytes = 0; - while (numbytes != egdbuf[0]) - { - num = read(fd, retrievebuf + numbytes, egdbuf[0] - numbytes); - if (num == 0) - goto err; /* descriptor closed */ - else if (num > 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - ret += egdbuf[0]; - bytes -= egdbuf[0]; - if (!buf) - RAND_seed(tempbuf, egdbuf[0]); - } + while (bytes > 0) { + egdbuf[0] = 1; + egdbuf[1] = bytes < 255 ? bytes : 255; + numbytes = 0; + while (numbytes != 2) { + num = write(fd, egdbuf + numbytes, 2 - numbytes); + if (num >= 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + numbytes = 0; + while (numbytes != 1) { + num = read(fd, egdbuf, 1); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + if (egdbuf[0] == 0) + goto err; + if (buf) + retrievebuf = buf + ret; + else + retrievebuf = tempbuf; + numbytes = 0; + while (numbytes != egdbuf[0]) { + num = read(fd, retrievebuf + numbytes, egdbuf[0] - numbytes); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + ret += egdbuf[0]; + bytes -= egdbuf[0]; + if (!buf) + RAND_seed(tempbuf, egdbuf[0]); + } err: - if (fd != -1) close(fd); - return(ret); - } - + if (fd != -1) + close(fd); + return (ret); +} int RAND_egd_bytes(const char *path, int bytes) - { - int num, ret = 0; +{ + int num, ret = 0; - num = RAND_query_egd_bytes(path, NULL, bytes); - if (num < 1) goto err; - if (RAND_status() == 1) - ret = num; + num = RAND_query_egd_bytes(path, NULL, bytes); + if (num < 1) + goto err; + if (RAND_status() == 1) + ret = num; err: - return(ret); - } - + return (ret); +} int RAND_egd(const char *path) - { - return (RAND_egd_bytes(path, 255)); - } +{ + return (RAND_egd_bytes(path, 255)); +} +# endif #endif