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Diffstat (limited to 'include/internal/e_os.h')
| -rw-r--r-- | include/internal/e_os.h | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/include/internal/e_os.h b/include/internal/e_os.h new file mode 100644 index 0000000000..e1608ae55d --- /dev/null +++ b/include/internal/e_os.h @@ -0,0 +1,414 @@ +/* + * Copyright 1995-2021 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) +# define strcasecmp _stricmp +# define strncasecmp _strnicmp +# 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 + +#endif |