diff options
author | cvs2svn <cvs2svn@FreeBSD.org> | 2003-03-20 20:44:12 +0000 |
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committer | cvs2svn <cvs2svn@FreeBSD.org> | 2003-03-20 20:44:12 +0000 |
commit | 70ddb0df17347953e22f1204be767a6a80e22865 (patch) | |
tree | 2b8e0e7365b31380f841b32d3042d4ed769d9b0c /crypto/openssl/crypto/rand/rand_unix.c | |
parent | 5b877a2d56a3b37c8b2e8cedf0532a8fb82e3c70 (diff) |
Diffstat (limited to 'crypto/openssl/crypto/rand/rand_unix.c')
-rw-r--r-- | crypto/openssl/crypto/rand/rand_unix.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/crypto/openssl/crypto/rand/rand_unix.c b/crypto/openssl/crypto/rand/rand_unix.c deleted file mode 100644 index a776e522431b..000000000000 --- a/crypto/openssl/crypto/rand/rand_unix.c +++ /dev/null @@ -1,245 +0,0 @@ -/* crypto/rand/rand_unix.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * 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.] - */ -/* ==================================================================== - * 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). - * - */ - -#define USE_SOCKETS -#include "e_os.h" -#include "cryptlib.h" -#include <openssl/rand.h> -#include "rand_lcl.h" - -#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS)) - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/times.h> -#include <fcntl.h> -#include <unistd.h> -#include <time.h> - -int RAND_poll(void) -{ - unsigned long l; - pid_t curr_pid = getpid(); -#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) - unsigned char tmpbuf[ENTROPY_NEEDED]; - int n = 0; -#endif -#ifdef DEVRANDOM - static const char *randomfiles[] = { DEVRANDOM, NULL }; - const char **randomfile = NULL; - int fd; -#endif -#ifdef DEVRANDOM_EGD - static const char *egdsockets[] = { DEVRANDOM_EGD, NULL }; - const char **egdsocket = NULL; -#endif - -#ifdef DEVRANDOM - /* Use a random entropy pool device. Linux, FreeBSD and OpenBSD - * have this. Use /dev/urandom if you can as /dev/random may block - * if it runs out of random entries. */ - - for (randomfile = randomfiles; *randomfile && n < ENTROPY_NEEDED; randomfile++) - { - if ((fd = open(*randomfile, O_RDONLY|O_NONBLOCK -#ifdef O_NOCTTY /* If it happens to be a TTY (god forbid), do not make it - our controlling tty */ - |O_NOCTTY -#endif -#ifdef O_NOFOLLOW /* Fail if the file is a symbolic link */ - |O_NOFOLLOW -#endif - )) >= 0) - { - struct timeval t = { 0, 10*1000 }; /* Spend 10ms on - each file. */ - int r; - fd_set fset; - - do - { - FD_ZERO(&fset); - FD_SET(fd, &fset); - r = -1; - - if (select(fd+1,&fset,NULL,NULL,&t) < 0) - t.tv_usec=0; - else if (FD_ISSET(fd, &fset)) - { - r=read(fd,(unsigned char *)tmpbuf+n, - ENTROPY_NEEDED-n); - if (r > 0) - n += r; - } - - /* Some Unixen will update t, some - won't. For those who won't, give - up here, otherwise, we will do - this once again for the remaining - time. */ - if (t.tv_usec == 10*1000) - t.tv_usec=0; - } - while ((r > 0 || (errno == EINTR || errno == EAGAIN)) - && t.tv_usec != 0 && n < ENTROPY_NEEDED); - - close(fd); - } - } -#endif - -#ifdef DEVRANDOM_EGD - /* Use an EGD socket to read entropy from an EGD or PRNGD entropy - * collecting daemon. */ - - for (egdsocket = egdsockets; *egdsocket && n < ENTROPY_NEEDED; egdsocket++) - { - int r; - - r = RAND_query_egd_bytes(*egdsocket, (unsigned char *)tmpbuf+n, - ENTROPY_NEEDED-n); - if (r > 0) - n += r; - } -#endif - -#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) - if (n > 0) - { - RAND_add(tmpbuf,sizeof tmpbuf,n); - OPENSSL_cleanse(tmpbuf,n); - } -#endif - - /* put in some default random data, we need more than just this */ - l=curr_pid; - RAND_add(&l,sizeof(l),0); - l=getuid(); - RAND_add(&l,sizeof(l),0); - - l=time(NULL); - RAND_add(&l,sizeof(l),0); - -#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) - return 1; -#else - return 0; -#endif -} - -#endif - -#if defined(OPENSSL_SYS_VXWORKS) -int RAND_poll(void) -{ - return 0; -} -#endif |