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/*
* Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
*/
#ifndef OSSL_E_OS_H
# define OSSL_E_OS_H
# include <limits.h>
# include <openssl/opensslconf.h>
# include <openssl/e_os2.h>
# include <openssl/crypto.h>
# include "internal/nelem.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.
*/
# if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
# define NO_CHMOD
# define NO_SYSLOG
# endif
# define get_last_sys_error() errno
# define clear_sys_error() errno=0
# define set_sys_error(e) errno=(e)
/********************************************************************
The Microsoft section
********************************************************************/
# if defined(OPENSSL_SYS_WIN32) && !defined(WIN32)
# define WIN32
# endif
# if defined(OPENSSL_SYS_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
# endif
# if defined(OPENSSL_SYS_MSDOS) && !defined(MSDOS)
# define MSDOS
# endif
# ifdef WIN32
# undef get_last_sys_error
# undef clear_sys_error
# undef set_sys_error
# define get_last_sys_error() GetLastError()
# define clear_sys_error() SetLastError(0)
# define set_sys_error(e) SetLastError(e)
# if !defined(WINNT)
# define WIN_CONSOLE_BUG
# endif
# else
# endif
# if (defined(WINDOWS) || defined(MSDOS))
# ifdef __DJGPP__
# include <unistd.h>
# include <sys/stat.h>
# define _setmode setmode
# define _O_TEXT O_TEXT
# define _O_BINARY O_BINARY
# undef DEVRANDOM_EGD /* Neither MS-DOS nor FreeDOS provide 'egd' sockets. */
# undef DEVRANDOM
# define DEVRANDOM "/dev/urandom\x24"
# endif /* __DJGPP__ */
# ifndef S_IFDIR
# define S_IFDIR _S_IFDIR
# endif
# ifndef S_IFMT
# define S_IFMT _S_IFMT
# endif
# if !defined(WINNT) && !defined(__DJGPP__)
# define NO_SYSLOG
# endif
# ifdef WINDOWS
# if !defined(_WIN32_WCE) && !defined(_WIN32_WINNT)
/*
* Defining _WIN32_WINNT here in e_os.h implies certain "discipline."
* Most notably we ought to check for availability of each specific
* routine that was introduced after denoted _WIN32_WINNT with
* GetProcAddress(). Normally newer functions are masked with higher
* _WIN32_WINNT in SDK headers. So that if you wish to use them in
* some module, you'd need to override _WIN32_WINNT definition in
* the target module in order to "reach for" prototypes, but replace
* calls to new functions with indirect calls. Alternatively it
* might be possible to achieve the goal by /DELAYLOAD-ing .DLLs
* and check for current OS version instead.
*/
# define _WIN32_WINNT 0x0501
# endif
# if defined(_WIN32_WINNT) || defined(_WIN32_WCE)
/*
* Just like defining _WIN32_WINNT including winsock2.h implies
* certain "discipline" for maintaining [broad] binary compatibility.
* As long as structures are invariant among Winsock versions,
* it's sufficient to check for specific Winsock2 API availability
* at run-time [DSO_global_lookup is recommended]...
*/
# include <winsock2.h>
# include <ws2tcpip.h>
/*
* Clang-based C++Builder 10.3.3 toolchains cannot find C inline
* definitions at link-time. This header defines WspiapiLoad() as an
* __inline function. https://quality.embarcadero.com/browse/RSP-33806
*/
# if !defined(__BORLANDC__) || !defined(__clang__)
# include <wspiapi.h>
# endif
/* yes, they have to be #included prior to <windows.h> */
# endif
# include <windows.h>
# include <stdio.h>
# include <stddef.h>
# include <errno.h>
# if defined(_WIN32_WCE) && !defined(EACCES)
# define EACCES 13
# endif
# include <string.h>
# ifdef _WIN64
# define strlen(s) _strlen31(s)
/* cut strings to 2GB */
static __inline unsigned int _strlen31(const char *str)
{
unsigned int len = 0;
while (*str && len < 0x80000000U)
str++, len++;
return len & 0x7FFFFFFF;
}
# endif
# include <malloc.h>
# if defined(_MSC_VER) && !defined(_WIN32_WCE) && !defined(_DLL) && defined(stdin)
# if _MSC_VER>=1300 && _MSC_VER<1600
# undef stdin
# undef stdout
# undef stderr
FILE *__iob_func();
# define stdin (&__iob_func()[0])
# define stdout (&__iob_func()[1])
# define stderr (&__iob_func()[2])
# endif
# endif
# endif
# include <io.h>
# include <fcntl.h>
# ifdef OPENSSL_SYS_WINCE
# define OPENSSL_NO_POSIX_IO
# endif
# define EXIT(n) exit(n)
# define LIST_SEPARATOR_CHAR ';'
# ifndef W_OK
# define W_OK 2
# endif
# ifndef R_OK
# define R_OK 4
# endif
# ifdef OPENSSL_SYS_WINCE
# define DEFAULT_HOME ""
# else
# define DEFAULT_HOME "C:"
# endif
/* Avoid Visual Studio 13 GetVersion deprecated problems */
# if defined(_MSC_VER) && _MSC_VER>=1800
# define check_winnt() (1)
# define check_win_minplat(x) (1)
# else
# define check_winnt() (GetVersion() < 0x80000000)
# define check_win_minplat(x) (LOBYTE(LOWORD(GetVersion())) >= (x))
# endif
# else /* The non-microsoft world */
# if defined(OPENSSL_SYS_VXWORKS)
# include <time.h>
# else
# include <sys/time.h>
# endif
# 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 LIST_SEPARATOR_CHAR ','
/* 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 is what is wanted here.
Finally, we add the VMS C facility code 0x35a000, because there are some
programs, such as Perl, that will reinterpret the code back to something
POSIX. 'man perlvms' explains it further.
NOTE: the perlvms manual wants to turn all codes 2 to 255 into success
codes (status type = 1). I couldn't disagree more. Fortunately, the
status type doesn't seem to bother Perl.
-- Richard Levitte
*/
# define EXIT(n) exit((n) ? (((n) << 3) | 2 | 0x10000000 | 0x35a000) : 1)
# define DEFAULT_HOME "SYS$LOGIN:"
# else
/* !defined VMS */
# include <unistd.h>
# include <sys/types.h>
# ifdef OPENSSL_SYS_WIN32_CYGWIN
# include <io.h>
# include <fcntl.h>
# endif
# define LIST_SEPARATOR_CHAR ':'
# define EXIT(n) exit(n)
# endif
# endif
/***********************************************/
# if defined(OPENSSL_SYS_WINDOWS)
# if (_MSC_VER >= 1310) && !defined(_WIN32_WCE)
# define open _open
# define fdopen _fdopen
# define close _close
# ifndef strdup
# define strdup _strdup
# endif
# define unlink _unlink
# define fileno _fileno
# endif
# else
# include <strings.h>
# endif
/* vxworks */
# if defined(OPENSSL_SYS_VXWORKS)
# include <ioLib.h>
# include <tickLib.h>
# include <sysLib.h>
# include <vxWorks.h>
# include <sockLib.h>
# include <taskLib.h>
# define TTY_STRUCT int
# define sleep(a) taskDelay((a) * sysClkRateGet())
/*
* NOTE: these are implemented by helpers in database app! if the database is
* not linked, we need to implement them elsewhere
*/
struct hostent *gethostbyname(const char *name);
struct hostent *gethostbyaddr(const char *addr, int length, int type);
struct servent *getservbyname(const char *name, const char *proto);
# endif
/* end vxworks */
/* system-specific variants defining ossl_sleep() */
#ifdef OPENSSL_SYS_UNIX
# include <unistd.h>
static ossl_inline void ossl_sleep(unsigned long millis)
{
# ifdef OPENSSL_SYS_VXWORKS
struct timespec ts;
ts.tv_sec = (long int) (millis / 1000);
ts.tv_nsec = (long int) (millis % 1000) * 1000000ul;
nanosleep(&ts, NULL);
# elif defined(__TANDEM)
# if !defined(_REENTRANT)
# include <cextdecs.h(PROCESS_DELAY_)>
/* HPNS does not support usleep for non threaded apps */
PROCESS_DELAY_(millis * 1000);
# elif defined(_SPT_MODEL_)
# include <spthread.h>
# include <spt_extensions.h>
usleep(millis * 1000);
# else
usleep(millis * 1000);
# endif
# else
usleep(millis * 1000);
# endif
}
#elif defined(_WIN32)
# include <windows.h>
static ossl_inline void ossl_sleep(unsigned long millis)
{
Sleep(millis);
}
#else
/* Fallback to a busy wait */
static ossl_inline void ossl_sleep(unsigned long millis)
{
struct timeval start, now;
unsigned long elapsedms;
gettimeofday(&start, NULL);
do {
gettimeofday(&now, NULL);
elapsedms = (((now.tv_sec - start.tv_sec) * 1000000)
+ now.tv_usec - start.tv_usec) / 1000;
} while (elapsedms < millis);
}
#endif /* defined OPENSSL_SYS_UNIX */
/* ----------------------------- HP NonStop -------------------------------- */
/* Required to support platform variant without getpid() and pid_t. */
# if defined(__TANDEM) && defined(_GUARDIAN_TARGET)
# include <strings.h>
# include <netdb.h>
# define getservbyname(name,proto) getservbyname((char*)name,proto)
# define gethostbyname(name) gethostbyname((char*)name)
# define ioctlsocket(a,b,c) ioctl(a,b,c)
# ifdef NO_GETPID
inline int nssgetpid();
# ifndef NSSGETPID_MACRO
# define NSSGETPID_MACRO
# include <cextdecs.h(PROCESSHANDLE_GETMINE_)>
# include <cextdecs.h(PROCESSHANDLE_DECOMPOSE_)>
inline int nssgetpid()
{
short phandle[10]={0};
union pseudo_pid {
struct {
short cpu;
short pin;
} cpu_pin ;
int ppid;
} ppid = { 0 };
PROCESSHANDLE_GETMINE_(phandle);
PROCESSHANDLE_DECOMPOSE_(phandle, &ppid.cpu_pin.cpu, &ppid.cpu_pin.pin);
return ppid.ppid;
}
# define getpid(a) nssgetpid(a)
# endif /* NSSGETPID_MACRO */
# endif /* NO_GETPID */
/*# define setsockopt(a,b,c,d,f) setsockopt(a,b,c,(char*)d,f)*/
/*# define getsockopt(a,b,c,d,f) getsockopt(a,b,c,(char*)d,f)*/
/*# define connect(a,b,c) connect(a,(struct sockaddr *)b,c)*/
/*# define bind(a,b,c) bind(a,(struct sockaddr *)b,c)*/
/*# define sendto(a,b,c,d,e,f) sendto(a,(char*)b,c,d,(struct sockaddr *)e,f)*/
# if defined(OPENSSL_THREADS) && !defined(_PUT_MODEL_)
/*
* HPNS SPT threads
*/
# define SPT_THREAD_SIGNAL 1
# define SPT_THREAD_AWARE 1
# include <spthread.h>
# undef close
# define close spt_close
/*
# 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),(char*)(b),(n))
# define writesocket(s,b,n) write((s),(char*)(b),(n)
*/
# define accept(a,b,c) accept(a,(struct sockaddr *)b,c)
# define recvfrom(a,b,c,d,e,f) recvfrom(a,b,(socklen_t)c,d,e,f)
# endif
# endif
# ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
# define CRYPTO_memcmp memcmp
# endif
# ifndef OPENSSL_NO_SECURE_MEMORY
/* unistd.h defines _POSIX_VERSION */
# if (defined(OPENSSL_SYS_UNIX) \
&& ( (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) \
|| defined(__sun) || defined(__hpux) || defined(__sgi) \
|| defined(__osf__) )) \
|| defined(_WIN32)
/* secure memory is implemented */
# else
# define OPENSSL_NO_SECURE_MEMORY
# endif
# endif
/*
* str[n]casecmp_l is defined in POSIX 2008-01. Value is taken accordingly
* https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
* There are also equivalent functions on Windows.
* There is no locale_t on NONSTOP.
*/
# if defined(OPENSSL_SYS_WINDOWS)
# define locale_t _locale_t
# define freelocale _free_locale
# define strcasecmp_l _stricmp_l
# define strncasecmp_l _strnicmp_l
# define strcasecmp _stricmp
# elif !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200809L \
|| defined(OPENSSL_SYS_TANDEM)
# ifndef OPENSSL_NO_LOCALE
# define OPENSSL_NO_LOCALE
# endif
# endif
#endif
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