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openssl/e_os.h
Richard Levitte f0b54fefe9 Some platforms (most notably Windows) do not have a $HOME by default. 
For those, unless the environment variables RANDFILE or HOME are
defined (the default case!), RAND_file_name() will return NULL.
This change adds a default HOME for those platforms.

To add a default HOME for any platform, just define DEFAULT_HOME in
the proper place, wrapped in appropriate #ifdef..#endif, in e_os.h.
2001-05-03 07:50:11 +00:00

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/* e_os.h */
/* 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.]
*/
#ifndef HEADER_E_OS_H
#define HEADER_E_OS_H
#include <openssl/opensslconf.h>
#include <openssl/e_os2.h>
/* <openssl/e_os2.h> contains what we can justify to make visible
* to the outside; this file e_os.h is not part of the exported
* interface. */
#ifdef __cplusplus
extern "C" {
#endif
/* Used to checking reference counts, most while doing perl5 stuff :-) */
#ifdef REF_PRINT
#undef REF_PRINT
#define REF_PRINT(a,b) fprintf(stderr,"%08X:%4d:%s\n",(int)b,b->references,a)
#endif
#ifndef DEVRANDOM
/* set this to a comma-separated list of 'random' device files to try out.
* My default, we will try to read at least one of these files */
#define DEVRANDOM "/dev/urandom","/dev/random","/dev/srandom"
#endif
#ifndef DEVRANDOM_EGD
/* set this to a comma-seperated list of 'egd' sockets to try out. These
* sockets will be tried in the order listed in case accessing the device files
* listed in DEVRANDOM did not return enough entropy. */
#define DEVRANDOM_EGD "/var/run/egd-pool","/dev/egd-pool","/etc/egd-pool","/etc/entropy"
#endif
#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
# if macintosh==1
# ifndef MAC_OS_GUSI_SOURCE
# define MAC_OS_pre_X
# define NO_SYS_TYPES_H
typedef long ssize_t;
# endif
# define NO_SYS_PARAM_H
# define NO_CHMOD
# define NO_SYSLOG
# undef DEVRANDOM
# define GETPID_IS_MEANINGLESS
# endif
#endif
/********************************************************************
The Microsoft section
********************************************************************/
/* The following is used becaue of the small stack in some
* Microsoft operating systems */
#if defined(OPENSSL_SYS_MSDOS)
# define MS_STATIC static
#else
# define MS_STATIC
#endif
#if defined(OPENSSL_SYS_WIN32) && !defined(WIN32)
# define WIN32
#endif
#if defined(OPENSSL_SYS_WIN16) && !defined(WIN16)
# define WIN16
#endif
#if defined(OPENSSL_SYS_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
#endif
#if defined(OPENSSL_SYS_MSDOS) && !defined(MSDOS)
# define MSDOS
#endif
#if defined(MSDOS) && !defined(GETPID_IS_MEANINGLESS)
# define GETPID_IS_MEANINGLESS
#endif
#ifdef WIN32
#define get_last_sys_error() GetLastError()
#define clear_sys_error() SetLastError(0)
#if !defined(WINNT)
#define WIN_CONSOLE_BUG
#endif
#else
#define get_last_sys_error() errno
#define clear_sys_error() errno=0
#endif
#if defined(WINDOWS)
#define get_last_socket_error() WSAGetLastError()
#define clear_socket_error() WSASetLastError(0)
#define readsocket(s,b,n) recv((s),(b),(n),0)
#define writesocket(s,b,n) send((s),(b),(n),0)
#define EADDRINUSE WSAEADDRINUSE
#elif defined(MAC_OS_pre_X)
#define get_last_socket_error() errno
#define clear_socket_error() errno=0
#define closesocket(s) MacSocket_close(s)
#define readsocket(s,b,n) MacSocket_recv((s),(b),(n),true)
#define writesocket(s,b,n) MacSocket_send((s),(b),(n))
#else
#define get_last_socket_error() errno
#define clear_socket_error() errno=0
#define ioctlsocket(a,b,c) ioctl(a,b,c)
#define closesocket(s) close(s)
#define readsocket(s,b,n) read((s),(b),(n))
#define writesocket(s,b,n) write((s),(b),(n))
#endif
#ifdef WIN16
# define OPENSSL_NO_FP_API
# define MS_CALLBACK _far _loadds
# define MS_FAR _far
#else
# define MS_CALLBACK
# define MS_FAR
#endif
#ifdef OPENSSL_NO_STDIO
# define OPENSSL_NO_FP_API
#endif
#if (defined(WINDOWS) || defined(MSDOS))
# ifndef S_IFDIR
# define S_IFDIR _S_IFDIR
# endif
# ifndef S_IFMT
# define S_IFMT _S_IFMT
# endif
# if !defined(WINNT)
# define NO_SYSLOG
# endif
# define NO_DIRENT
# ifdef WINDOWS
# include <windows.h>
# include <stddef.h>
# include <errno.h>
# include <string.h>
# include <malloc.h>
# endif
# include <io.h>
# include <fcntl.h>
# define ssize_t long
# if defined (__BORLANDC__)
# define _setmode setmode
# define _O_TEXT O_TEXT
# define _O_BINARY O_BINARY
# define _int64 __int64
# define _kbhit kbhit
# endif
# if defined(WIN16) && !defined(MONOLITH) && defined(SSLEAY) && defined(_WINEXITNOPERSIST)
# define EXIT(n) { if (n == 0) _wsetexit(_WINEXITNOPERSIST); return(n); }
# else
# define EXIT(n) return(n);
# endif
# define LIST_SEPARATOR_CHAR ';'
# ifndef X_OK
# define X_OK 0
# endif
# ifndef W_OK
# define W_OK 2
# endif
# ifndef R_OK
# define R_OK 4
# endif
# define OPENSSL_CONF "openssl.cnf"
# define SSLEAY_CONF OPENSSL_CONF
# define NUL_DEV "nul"
# define RFILE ".rnd"
# define DEFAULT_HOME "C:"
#else /* The non-microsoft world world */
# ifdef OPENSSL_SYS_VMS
# define VMS 1
/* some programs don't include stdlib, so exit() and others give implicit
function warnings */
# include <stdlib.h>
# if defined(__DECC)
# include <unistd.h>
# else
# include <unixlib.h>
# endif
# define OPENSSL_CONF "openssl.cnf"
# define SSLEAY_CONF OPENSSL_CONF
# define RFILE ".rnd"
# define LIST_SEPARATOR_CHAR ','
# define NUL_DEV "NLA0:"
/* We don't have any well-defined random devices on VMS, yet... */
# undef DEVRANDOM
/* We need to do this since VMS has the following coding on status codes:
Bits 0-2: status type: 0 = warning, 1 = success, 2 = error, 3 = info ...
The important thing to know is that odd numbers are considered
good, while even ones are considered errors.
Bits 3-15: actual status number
Bits 16-27: facility number. 0 is considered "unknown"
Bits 28-31: control bits. If bit 28 is set, the shell won't try to
output the message (which, for random codes, just looks ugly)
So, what we do here is to change 0 to 1 to get the default success status,
and everything else is shifted up to fit into the status number field, and
the status is tagged as an error, which I believe is what is wanted here.
-- Richard Levitte
*/
# if !defined(MONOLITH) || defined(OPENSSL_C)
# define EXIT(n) do { int __VMS_EXIT = n; \
if (__VMS_EXIT == 0) \
__VMS_EXIT = 1; \
else \
__VMS_EXIT = (n << 3) | 2; \
__VMS_EXIT |= 0x10000000; \
exit(__VMS_EXIT); \
return(__VMS_EXIT); } while(0)
# else
# define EXIT(n) return(n)
# endif
# define NO_SYS_PARAM_H
# else
/* !defined VMS */
# ifdef OPENSSL_SYS_MPE
# define NO_SYS_PARAM_H
# endif
# ifdef OPENSSL_UNISTD
# include OPENSSL_UNISTD
# else
# include <unistd.h>
# endif
# ifndef NO_SYS_TYPES_H
# include <sys/types.h>
# endif
# if defined(NeXT) || defined(OPENSSL_SYS_NEWS4)
# define pid_t int /* pid_t is missing on NEXTSTEP/OPENSTEP
* (unless when compiling with -D_POSIX_SOURCE,
* which doesn't work for us) */
# define ssize_t int /* ditto */
# endif
# ifdef OPENSSL_SYS_NEWS4 /* setvbuf is missing on mips-sony-bsd */
# define setvbuf(a, b, c, d) setbuffer((a), (b), (d))
typedef unsigned long clock_t;
# endif
# define OPENSSL_CONF "openssl.cnf"
# define SSLEAY_CONF OPENSSL_CONF
# define RFILE ".rnd"
# define LIST_SEPARATOR_CHAR ':'
# define NUL_DEV "/dev/null"
# ifndef MONOLITH
# define EXIT(n) exit(n); return(n)
# else
# define EXIT(n) return(n)
# endif
# endif
# define SSLeay_getpid() getpid()
#endif
/*************/
#ifdef USE_SOCKETS
# if defined(WINDOWS) || defined(MSDOS)
/* windows world */
# ifdef OPENSSL_NO_SOCK
# define SSLeay_Write(a,b,c) (-1)
# define SSLeay_Read(a,b,c) (-1)
# define SHUTDOWN(fd) close(fd)
# define SHUTDOWN2(fd) close(fd)
# else
# include <winsock.h>
extern HINSTANCE _hInstance;
# define SSLeay_Write(a,b,c) send((a),(b),(c),0)
# define SSLeay_Read(a,b,c) recv((a),(b),(c),0)
# define SHUTDOWN(fd) { shutdown((fd),0); closesocket(fd); }
# define SHUTDOWN2(fd) { shutdown((fd),2); closesocket(fd); }
# endif
# elif defined(MAC_OS_pre_X)
# include "MacSocket.h"
# define SSLeay_Write(a,b,c) MacSocket_send((a),(b),(c))
# define SSLeay_Read(a,b,c) MacSocket_recv((a),(b),(c),true)
# define SHUTDOWN(fd) MacSocket_close(fd)
# define SHUTDOWN2(fd) MacSocket_close(fd)
# else
# ifndef NO_SYS_PARAM_H
# include <sys/param.h>
# endif
# ifndef OPENSSL_SYS_MPE
# include <sys/time.h> /* Needed under linux for FD_XXX */
# endif
# include <netdb.h>
# if defined(OPENSSL_SYS_VMS_NODECC)
# include <socket.h>
# include <in.h>
# include <inet.h>
# else
# include <sys/socket.h>
# ifdef FILIO_H
# include <sys/filio.h> /* Added for FIONBIO under unixware */
# endif
# include <netinet/in.h>
# include <arpa/inet.h>
# endif
# if defined(NeXT) || defined(_NEXT_SOURCE)
# include <sys/fcntl.h>
# include <sys/types.h>
# endif
# ifdef OPENSSL_SYS_AIX
# include <sys/select.h>
# endif
# ifdef __QNX__
# include <sys/select.h>
# endif
# if defined(sun)
# include <sys/filio.h>
# else
# ifndef VMS
# include <sys/ioctl.h>
# else
/* ioctl is only in VMS > 7.0 and when socketshr is not used */
# if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
# include <sys/ioctl.h>
# endif
# endif
# endif
# ifdef VMS
# include <unixio.h>
# if defined(TCPIP_TYPE_SOCKETSHR)
# include <socketshr.h>
# endif
# endif
# define SSLeay_Read(a,b,c) read((a),(b),(c))
# define SSLeay_Write(a,b,c) write((a),(b),(c))
# define SHUTDOWN(fd) { shutdown((fd),0); closesocket((fd)); }
# define SHUTDOWN2(fd) { shutdown((fd),2); closesocket((fd)); }
# define INVALID_SOCKET (-1)
# endif
#endif
#if defined(__ultrix)
# ifndef ssize_t
# define ssize_t int
# endif
#endif
#if defined(OPENSSL_THREADS) || defined(sun)
#ifndef _REENTRANT
#define _REENTRANT
#endif
#endif
#if defined(sun) && !defined(__svr4__) && !defined(__SVR4)
/* bcopy can handle overlapping moves according to SunOS 4.1.4 manpage */
# define memmove(s1,s2,n) bcopy((s2),(s1),(n))
# define strtoul(s,e,b) ((unsigned long int)strtol((s),(e),(b)))
extern char *sys_errlist[]; extern int sys_nerr;
# define strerror(errnum) \
(((errnum)<0 || (errnum)>=sys_nerr) ? NULL : sys_errlist[errnum])
#endif
/***********************************************/
/* do we need to do this for getenv.
* Just define getenv for use under windows */
#ifdef WIN16
/* How to do this needs to be thought out a bit more.... */
/*char *GETENV(char *);
#define Getenv GETENV*/
#define Getenv getenv
#else
#define Getenv getenv
#endif
#define DG_GCC_BUG /* gcc < 2.6.3 on DGUX */
#ifdef sgi
#define IRIX_CC_BUG /* all version of IRIX I've tested (4.* 5.*) */
#endif
#ifdef OPENSSL_SYS_SNI
#define IRIX_CC_BUG /* CDS++ up to V2.0Bsomething suffered from the same bug.*/
#endif
#ifdef __cplusplus
}
#endif
#endif
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