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1d7f3350f8
Fix typo in NOTES.WIN: this -> these Fix wrong capital letter in certificates.txt Make number of characters in each line more even Remove redundant empty line Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3986)
140 lines
5.2 KiB
Plaintext
140 lines
5.2 KiB
Plaintext
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NOTES FOR THE WINDOWS PLATFORMS
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===============================
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Requirement details for native (Visual C++) builds
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--------------------------------------------------
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In addition to the requirements and instructions listed in INSTALL,
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these are required as well:
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- You need Perl. We recommend ActiveState Perl, available from
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https://www.activestate.com/ActivePerl. Another viable alternative
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appears to be Strawberry Perl, http://strawberryperl.com.
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You also need the perl module Text::Template, available on CPAN.
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Please read NOTES.PERL for more information.
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- You need a C compiler. OpenSSL has been tested to build with these:
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* Visual C++
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- Netwide Assembler, a.k.a. NASM, available from http://www.nasm.us,
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is required if you intend to utilize assembler modules. Note that NASM
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is the only supported assembler. The Microsoft provided assembler is NOT
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supported.
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Visual C++ (native Windows)
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---------------------------
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Installation directories
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The default installation directories are derived from environment
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variables.
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For VC-WIN32, the following defaults are use:
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PREFIX: %ProgramFiles(86)%\OpenSSL
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OPENSSLDIR: %CommonProgramFiles(86)%\SSL
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For VC-WIN64, the following defaults are use:
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PREFIX: %ProgramW6432%\OpenSSL
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OPENSSLDIR: %CommonProgramW6432%\SSL
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Should those environment variables not exist (on a pure Win32
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installation for examples), these fallbacks are used:
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PREFIX: %ProgramFiles%\OpenSSL
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OPENSSLDIR: %CommonProgramFiles%\SSL
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ALSO NOTE that those directories are usually write protected, even if
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your account is in the Administrators group. To work around that,
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start the command prompt by right-clicking on it and choosing "Run as
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Administrator" before running 'nmake install'. The other solution
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is, of course, to choose a different set of directories by using
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--prefix and --openssldir when configuring.
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GNU C (Cygwin)
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--------------
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Cygwin implements a Posix/Unix runtime system (cygwin1.dll) on top of the
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Windows subsystem and provides a bash shell and GNU tools environment.
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Consequently, a make of OpenSSL with Cygwin is virtually identical to the
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Unix procedure.
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To build OpenSSL using Cygwin, you need to:
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* Install Cygwin (see https://cygwin.com/)
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* Install Cygwin Perl and ensure it is in the path. Recall that
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as least 5.10.0 is required.
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* Run the Cygwin bash shell
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Apart from that, follow the Unix instructions in INSTALL.
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NOTE: "make test" and normal file operations may fail in directories
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mounted as text (i.e. mount -t c:\somewhere /home) due to Cygwin
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stripping of carriage returns. To avoid this ensure that a binary
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mount is used, e.g. mount -b c:\somewhere /home.
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It is also possible to create "conventional" Windows binaries that use
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the Microsoft C runtime system (msvcrt.dll or crtdll.dll) using MinGW
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development add-on for Cygwin. MinGW is supported even as a standalone
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setup as described in the following section. In the context you should
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recognize that binaries targeting Cygwin itself are not interchangeable
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with "conventional" Windows binaries you generate with/for MinGW.
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GNU C (MinGW/MSYS)
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------------------
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* Compiler and shell environment installation:
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MinGW and MSYS are available from http://www.mingw.org/, both are
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required. Run the installers and do whatever magic they say it takes
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to start MSYS bash shell with GNU tools and matching Perl on its PATH.
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"Matching Perl" refers to chosen "shell environment", i.e. if built
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under MSYS, then Perl compiled for MSYS must be used.
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Alternatively, one can use MSYS2 from https://msys2.github.io/,
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which includes MingW (32-bit and 64-bit).
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* It is also possible to cross-compile it on Linux by configuring
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with './Configure --cross-compile-prefix=i386-mingw32- mingw ...'.
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Other possible cross compile prefixes include x86_64-w64-mingw32-
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and i686-w64-mingw32-.
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Linking your application
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------------------------
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This section applies to non-Cygwin builds.
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If you link with static OpenSSL libraries then you're expected to
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additionally link your application with WS2_32.LIB, GDI32.LIB,
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ADVAPI32.LIB, CRYPT32.LIB and USER32.LIB. Those developing
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non-interactive service applications might feel concerned about
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linking with GDI32.LIB and USER32.LIB, as they are justly associated
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with interactive desktop, which is not available to service
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processes. The toolkit is designed to detect in which context it's
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currently executed, GUI, console app or service, and act accordingly,
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namely whether or not to actually make GUI calls. Additionally those
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who wish to /DELAYLOAD:GDI32.DLL and /DELAYLOAD:USER32.DLL and
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actually keep them off service process should consider implementing
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and exporting from .exe image in question own _OPENSSL_isservice not
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relying on USER32.DLL. E.g., on Windows Vista and later you could:
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__declspec(dllexport) __cdecl BOOL _OPENSSL_isservice(void)
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{ DWORD sess;
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if (ProcessIdToSessionId(GetCurrentProcessId(),&sess))
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return sess==0;
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return FALSE;
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}
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If you link with OpenSSL .DLLs, then you're expected to include into
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your application code small "shim" snippet, which provides glue between
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OpenSSL BIO layer and your compiler run-time. See the OPENSSL_Applink
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manual page for further details.
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