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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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+
+INSTALLATION ON THE NETWARE PLATFORM
+------------------------------------
+
+Notes about building OpenSSL for NetWare.
+
+
+BUILD PLATFORM:
+---------------
+The build scripts (batch files, perl scripts, etc) have been developed and
+tested on W2K. The scripts should run fine on other Windows platforms
+(NT, Win9x, WinXP) but they have not been tested. They may require some
+modifications.
+
+
+Supported NetWare Platforms - NetWare 5.x, NetWare 6.x:
+-------------------------------------------------------
+OpenSSL can either use the WinSock interfaces introduced in NetWare 5,
+or the BSD socket interface. Previous versions of NetWare, 4.x and 3.x,
+are only supported if OpenSSL is build for CLIB and BSD sockets;
+WinSock builds only support NetWare 5 and up.
+
+On NetWare there are two c-runtime libraries. There is the legacy CLIB
+interfaces and the newer LIBC interfaces. Being ANSI-C libraries, the
+functionality in CLIB and LIBC is similar but the LIBC interfaces are built
+using Novell Kernal Services (NKS) which is designed to leverage
+multi-processor environments.
+
+The NetWare port of OpenSSL can be configured to build using CLIB or LIBC.
+The CLIB build was developed and tested using NetWare 5.0 sp6.0a. The LIBC
+build was developed and tested using the NetWare 6.0 FCS.
+
+The necessary LIBC functionality ships with NetWare 6. However, earlier
+NetWare 5.x versions will require updates in order to run the OpenSSL LIBC
+build (NetWare 5.1 SP8 is known to work).
+
+As of June 2005, the LIBC build can be configured to use BSD sockets instead
+of WinSock sockets. Call Configure (usually through netware\build.bat) using
+a target of "netware-libc-bsdsock" instead of "netware-libc".
+
+As of June 2007, support for CLIB and BSD sockets is also now available
+using a target of "netware-clib-bsdsock" instead of "netware-clib";
+also gcc builds are now supported on both Linux and Win32 (post 0.9.8e).
+
+REQUIRED TOOLS:
+---------------
+Based upon the configuration and build options used, some or all of the
+following tools may be required:
+
+* Perl for Win32 - required (http://www.activestate.com/ActivePerl)
+ Used to run the various perl scripts on the build platform.
+
+* Perl 5.8.0 for NetWare v3.20 (or later) - required
+ (http://developer.novell.com) Used to run the test script on NetWare
+ after building.
+
+* Compiler / Linker - required:
+ Metrowerks CodeWarrior PDK 2.1 (or later) for NetWare (commercial):
+ Provides command line tools used for building.
+ Tools:
+ mwccnlm.exe - C/C++ Compiler for NetWare
+ mwldnlm.exe - Linker for NetWare
+ mwasmnlm.exe - x86 assembler for NetWare (if using assembly option)
+
+ gcc / nlmconv Cross-Compiler, available from Novell Forge (free):
+ http://forge.novell.com/modules/xfmod/project/?aunixnw
+
+* Assemblers - optional:
+ If you intend to build using the assembly options you will need an
+ assembler. Work has been completed to support two assemblers, Metrowerks
+ and NASM. However, during development, a bug was found in the Metrowerks
+ assembler which generates incorrect code. Until this problem is fixed,
+ the Metrowerks assembler cannot be used.
+
+ mwasmnlm.exe - Metrowerks x86 assembler - part of CodeWarrior tools.
+ (version 2.2 Built Aug 23, 1999 - not useable due to code
+ generation bug)
+
+ nasmw.exe - Netwide Assembler NASM
+ version 0.98 was used in development and testing
+
+* Make Tool - required:
+ In order to build you will need a make tool. Two make tools are
+ supported, GNU make (gmake.exe) or Microsoft nmake.exe.
+
+ make.exe - GNU make for Windows (version 3.75 used for development)
+ http://gnuwin32.sourceforge.net/packages/make.htm
+
+ nmake.exe - Microsoft make (Version 6.00.8168.0 used for development)
+ http://support.microsoft.com/kb/132084/EN-US/
+
+* Novell Developer Kit (NDK) - required: (http://developer.novell.com)
+
+ CLIB - BUILDS:
+
+ WinSock2 Developer Components for NetWare:
+ For initial development, the October 27, 2000 version was used.
+ However, future versions should also work.
+
+ NOTE: The WinSock2 components include headers & import files for
+ NetWare, but you will also need the winsock2.h and supporting
+ headers (pshpack4.h, poppack.h, qos.h) delivered in the
+ Microsoft SDK. Note: The winsock2.h support headers may change
+ with various versions of winsock2.h. Check the dependencies
+ section on the NDK WinSock2 download page for the latest
+ information on dependencies. These components are unsupported by
+ Novell. They are provided as a courtesy, but it is strongly
+ suggested that all development be done using LIBC, not CLIB.
+
+ As of June 2005, the WinSock2 components are available at:
+ http://forgeftp.novell.com//ws2comp/
+
+
+ NLM and NetWare libraries for C (including CLIB and XPlat):
+ If you are going to build a CLIB version of OpenSSL, you will
+ need the CLIB headers and imports. The March, 2001 NDK release or
+ later is recommended.
+
+ Earlier versions should work but haven't been tested. In recent
+ versions the import files have been consolidated and function
+ names moved. This means you may run into link problems
+ (undefined symbols) when using earlier versions. The functions
+ are available in earlier versions, but you will have to modifiy
+ the make files to include additional import files (see
+ openssl\util\pl\netware.pl).
+
+
+ LIBC - BUILDS:
+
+ Libraries for C (LIBC) - LIBC headers and import files
+ If you are going to build a LIBC version of OpenSSL, you will
+ need the LIBC headers and imports. The March 14, 2002 NDK release or
+ later is required.
+
+ NOTE: The LIBC SDK includes the necessary WinSock2 support.
+ It is not necessary to download the WinSock2 NDK when building for
+ LIBC. The LIBC SDK also includes the appropriate BSD socket support
+ if configuring to use BSD sockets.
+
+
+BUILDING:
+---------
+Before building, you will need to set a few environment variables. You can
+set them manually or you can modify the "netware\set_env.bat" file.
+
+The set_env.bat file is a template you can use to set up the path
+and environment variables you will need to build. Modify the
+various lines to point to YOUR tools and run set_env.bat.
+
+ netware\set_env.bat <target> [compiler]
+
+ target - "netware-clib" - CLIB NetWare build
+ - "netware-libc" - LIBC NetWare build
+
+ compiler - "gnuc" - GNU GCC Compiler
+ - "codewarrior" - MetroWerks CodeWarrior (default)
+
+If you don't use set_env.bat, you will need to set up the following
+environment variables:
+
+ PATH - Set PATH to point to the tools you will use.
+
+ INCLUDE - The location of the NDK include files.
+
+ CLIB ex: set INCLUDE=c:\ndk\nwsdk\include\nlm
+ LIBC ex: set INCLUDE=c:\ndk\libc\include
+
+ PRELUDE - The absolute path of the prelude object to link with. For
+ a CLIB build it is recommended you use the "clibpre.o" files shipped
+ with the Metrowerks PDK for NetWare. For a LIBC build you should
+ use the "libcpre.o" file delivered with the LIBC NDK components.
+
+ CLIB ex: set PRELUDE=c:\ndk\nwsdk\imports\clibpre.o
+ LIBC ex: set PRELUDE=c:\ndk\libc\imports\libcpre.o
+
+ IMPORTS - The locaton of the NDK import files.
+
+ CLIB ex: set IMPORTS=c:\ndk\nwsdk\imports
+ LIBC ex: set IMPORTS=c:\ndk\libc\imports
+
+
+In order to build, you need to run the Perl scripts to configure the build
+process and generate a make file. There is a batch file,
+"netware\build.bat", to automate the process.
+
+Build.bat runs the build configuration scripts and generates a make file.
+If an assembly option is specified, it also runs the scripts to generate
+the assembly code. Always run build.bat from the "openssl" directory.
+
+ netware\build [target] [debug opts] [assembly opts] [configure opts]
+
+ target - "netware-clib" - CLIB NetWare build (WinSock Sockets)
+ - "netware-clib-bsdsock" - CLIB NetWare build (BSD Sockets)
+ - "netware-libc" - LIBC NetWare build (WinSock Sockets)
+ - "netware-libc-bsdsock" - LIBC NetWare build (BSD Sockets)
+
+ debug opts - "debug" - build debug
+
+ assembly opts - "nw-mwasm" - use Metrowerks assembler
+ "nw-nasm" - use NASM assembler
+ "no-asm" - don't use assembly
+
+ configure opts- all unrecognized arguments are passed to the
+ perl 'configure' script. See that script for
+ internal documentation regarding options that
+ are available.
+
+ examples:
+
+ CLIB build, debug, without assembly:
+ netware\build.bat netware-clib debug no-asm
+
+ LIBC build, non-debug, using NASM assembly, add mdc2 support:
+ netware\build.bat netware-libc nw-nasm enable-mdc2
+
+ LIBC build, BSD sockets, non-debug, without assembly:
+ netware\build.bat netware-libc-bsdsock no-asm
+
+Running build.bat generates a make file to be processed by your make
+tool (gmake or nmake):
+
+ CLIB ex: gmake -f netware\nlm_clib_dbg.mak
+ LIBC ex: gmake -f netware\nlm_libc.mak
+ LIBC ex: gmake -f netware\nlm_libc_bsdsock.mak
+
+
+You can also run the build scripts manually if you do not want to use the
+build.bat file. Run the following scripts in the "\openssl"
+subdirectory (in the order listed below):
+
+ perl configure no-asm [other config opts] [netware-clib|netware-libc|netware-libc-bsdsock]
+ configures no assembly build for specified netware environment
+ (CLIB or LIBC).
+
+ perl util\mkfiles.pl >MINFO
+ generates a listing of source files (used by mk1mf)
+
+ perl util\mk1mf.pl no-asm [other config opts] [netware-clib|netware-libc|netware-libc-bsdsock >netware\nlm.mak
+ generates the makefile for NetWare
+
+ gmake -f netware\nlm.mak
+ build with the make tool (nmake.exe also works)
+
+NOTE: If you are building using the assembly option, you must also run the
+various Perl scripts to generate the assembly files. See build.bat
+for an example of running the various assembly scripts. You must use the
+"no-asm" option to build without assembly. The configure and mk1mf scripts
+also have various other options. See the scripts for more information.
+
+
+The output from the build is placed in the following directories:
+
+ CLIB Debug build:
+ out_nw_clib.dbg - static libs & test nlm(s)
+ tmp_nw_clib.dbg - temporary build files
+ outinc_nw_clib - necessary include files
+
+ CLIB Non-debug build:
+ out_nw_clib - static libs & test nlm(s)
+ tmp_nw_clib - temporary build files
+ outinc_nw_clib - necesary include files
+
+ LIBC Debug build:
+ out_nw_libc.dbg - static libs & test nlm(s)
+ tmp_nw_libc.dbg - temporary build files
+ outinc_nw_libc - necessary include files
+
+ LIBC Non-debug build:
+ out_nw_libc - static libs & test nlm(s)
+ tmp_nw_libc - temporary build files
+ outinc_nw_libc - necesary include files
+
+
+TESTING:
+--------
+The build process creates the OpenSSL static libs ( crypto.lib, ssl.lib,
+rsaglue.lib ) and several test programs. You should copy the test programs
+to your NetWare server and run the tests.
+
+The batch file "netware\cpy_tests.bat" will copy all the necessary files
+to your server for testing. In order to run the batch file, you need a
+drive mapped to your target server. It will create an "OpenSSL" directory
+on the drive and copy the test files to it. CAUTION: If a directory with the
+name of "OpenSSL" already exists, it will be deleted.
+
+To run cpy_tests.bat:
+
+ netware\cpy_tests [output directory] [NetWare drive]
+
+ output directory - "out_nw_clib.dbg", "out_nw_libc", etc.
+ NetWare drive - drive letter of mapped drive
+
+ CLIB ex: netware\cpy_tests out_nw_clib m:
+ LIBC ex: netware\cpy_tests out_nw_libc m:
+
+
+The Perl script, "do_tests.pl", in the "OpenSSL" directory on the server
+should be used to execute the tests. Before running the script, make sure
+your SEARCH PATH includes the "OpenSSL" directory. For example, if you
+copied the files to the "sys:" volume you use the command:
+
+ SEARCH ADD SYS:\OPENSSL
+
+
+To run do_tests.pl type (at the console prompt):
+
+ perl \openssl\do_tests.pl [options]
+
+ options:
+ -p - pause after executing each test
+
+The do_tests.pl script generates a log file "\openssl\test_out\tests.log"
+which should be reviewed for errors. Any errors will be denoted by the word
+"ERROR" in the log.
+
+DEVELOPING WITH THE OPENSSL SDK:
+--------------------------------
+Now that everything is built and tested, you are ready to use the OpenSSL
+libraries in your development.
+
+There is no real installation procedure, just copy the static libs and
+headers to your build location. The libs (crypto.lib & ssl.lib) are
+located in the appropriate "out_nw_XXXX" directory
+(out_nw_clib, out_nw_libc, etc).
+
+The headers are located in the appropriate "outinc_nw_XXX" directory
+(outinc_nw_clib, outinc_nw_libc).
+
+One suggestion is to create the following directory
+structure for the OpenSSL SDK:
+
+ \openssl
+ |- bin
+ | |- openssl.nlm
+ | |- (other tests you want)
+ |
+ |- lib
+ | | - crypto.lib
+ | | - ssl.lib
+ |
+ |- include
+ | | - openssl
+ | | | - (all the headers in "outinc_nw\openssl")
+
+
+The program "openssl.nlm" can be very useful. It has dozens of
+options and you may want to keep it handy for debugging, testing, etc.
+
+When building your apps using OpenSSL, define "NETWARE". It is needed by
+some of the OpenSSL headers. One way to do this is with a compile option,
+for example "-DNETWARE".
+
+
+
+NOTES:
+------
+
+Resource leaks in Tests
+------------------------
+Some OpenSSL tests do not clean up resources and NetWare reports
+the resource leaks when the tests unload. If this really bugs you,
+you can stop the messages by setting the developer option off at the console
+prompt (set developer option = off). Or better yet, fix the tests to
+clean up the resources!
+
+
+Multi-threaded Development
+---------------------------
+The NetWare version of OpenSSL is thread-safe, however multi-threaded
+applications must provide the necessary locking function callbacks. This
+is described in doc\threads.doc. The file "openssl-x.x.x\crypto\threads\mttest.c"
+is a multi-threaded test program and demonstrates the locking functions.
+
+
+What is openssl2.nlm?
+---------------------
+The openssl program has numerous options and can be used for many different
+things. Many of the options operate in an interactive mode requiring the
+user to enter data. Because of this, a default screen is created for the
+program. However, when running the test script it is not desirable to
+have a seperate screen. Therefore, the build also creates openssl2.nlm.
+Openssl2.nlm is functionally identical but uses the console screen.
+Openssl2 can be used when a non-interactive mode is desired.
+
+NOTE: There are may other possibilities (command line options, etc)
+which could have been used to address the screen issue. The openssl2.nlm
+option was chosen because it impacted only the build not the code.
+
+
+Why only static libraries?
+--------------------------
+Globals, globals, and more globals. The OpenSSL code uses many global
+variables that are allocated and initialized when used for the first time.
+
+On NetWare, most applications (at least historically) run in the kernel.
+When running in the kernel, there is one instance of global variables.
+For regular application type NLM(s) this isn't a problem because they are
+the only ones using the globals. However, for a library NLM (an NLM which
+exposes functions and has no threads of execution), the globals cause
+problems. Applications could inadvertently step on each other if they
+change some globals. Even worse, the first application that triggers a
+global to be allocated and initialized has the allocated memory charged to
+itself. Now when that application unloads, NetWare will clean up all the
+applicaton's memory. The global pointer variables inside OpenSSL now
+point to freed memory. An abend waiting to happen!
+
+To work correctly in the kernel, library NLM(s) that use globals need to
+provide a set of globals (instance data) for each application. Another
+option is to require the library only be loaded in a protected address
+space along with the application using it.
+
+Modifying the OpenSSL code to provide a set of globals (instance data) for
+each application isn't technically difficult, but due to the large number
+globals it would require substantial code changes and it wasn't done. Hence,
+the build currently only builds static libraries which are then linked
+into each application.
+
+NOTE: If you are building a library NLM that uses the OpenSSL static
+libraries, you will still have to deal with the global variable issue.
+This is because when you link in the OpenSSL code you bring in all the
+globals. One possible solution for the global pointer variables is to
+register memory functions with OpenSSL which allocate memory and charge it
+to your library NLM (see the function CRYPTO_set_mem_functions). However,
+be aware that now all memory allocated by OpenSSL is charged to your NLM.
+
+
+CodeWarrior Tools and W2K
+---------------------------
+There have been problems reported with the CodeWarrior Linker
+(mwldnlm.exe) in the PDK 2.1 for NetWare when running on Windows 2000. The
+problems cause the link step to fail. The only work around is to obtain an
+updated linker from Metrowerks. It is expected Metrowerks will release
+PDK 3.0 (in beta testing at this time - May, 2001) in the near future which
+will fix these problems.
+
+
+Makefile "vclean"
+------------------
+The generated makefile has a "vclean" target which cleans up the build
+directories. If you have been building successfully and suddenly
+experience problems, use "vclean" (gmake -f netware\nlm_xxxx.mak vclean) and retry.
+
+
+"Undefined Symbol" Linker errors
+--------------------------------
+There have been linker errors reported when doing a CLIB build. The problems
+occur because some versions of the CLIB SDK import files inadvertently
+left out some symbols. One symbol in particular is "_lrotl". The missing
+functions are actually delivered in the binaries, but they were left out of
+the import files. The issues should be fixed in the September 2001 release
+of the NDK. If you experience the problems you can temporarily
+work around it by manually adding the missing symbols to your version of
+"clib.imp".
+