Mercurial > vim
view READMEdir/README_os390.txt @ 33096:828bcb1a37e7 v9.0.1833
patch 9.0.1833: [security] runtime file fixes
Commit: https://github.com/vim/vim/commit/816fbcc262687b81fc46f82f7bbeb1453addfe0c
Author: Christian Brabandt <cb@256bit.org>
Date: Thu Aug 31 23:52:30 2023 +0200
patch 9.0.1833: [security] runtime file fixes
Problem: runtime files may execute code in current dir
Solution: only execute, if not run from current directory
The perl, zig and ruby filetype plugins and the zip and gzip autoload
plugins may try to load malicious executable files from the current
working directory. This is especially a problem on windows, where the
current directory is implicitly in your $PATH and windows may even run a
file with the extension `.bat` because of $PATHEXT.
So make sure that we are not trying to execute a file from the current
directory. If this would be the case, error out (for the zip and gzip)
plugins or silently do not run those commands (for the ftplugins).
This assumes, that only the current working directory is bad. For all
other directories, it is assumed that those directories were
intentionally set to the $PATH by the user.
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Fri, 01 Sep 2023 00:00:02 +0200 |
parents | f8116058ca76 |
children | 93c715c63a4a |
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line source
README_os390.txt for version 9.0 of Vim: Vi IMproved. This readme explains how to build Vim on z/OS. Formerly called OS/390. See "README.txt" for general information about Vim. Most likely there are not many users out there using Vim on z/OS. So chances are good, that some bugs are still undiscovered. Getting the source to z/OS: ========================== First get the source code in one big tar file and ftp it a binary to z/OS. If the tar file is initially compressed with gzip (tar.gz) or bzip2 (tar.bz2) uncompress it on your PC, as these tools are (most likely) not available on the mainframe. To reduce the size of the tar file you might compress it into a zip file. On z/OS Unix you might have the command "jar" from java to uncompress a zip. Use: jar xvf <zip file name> Unpack the tar file on z/OS with pax -o from=ISO8859-1,to=IBM-1047 -rf vim.tar Note: The Vim source contains a few bitmaps etc which will be destroyed by this command, but these files are not needed on zOS (at least not for the console version). Compiling: ========== Vim can be compiled with or without GUI support. For 7.4 only the compilation without GUI was tested. Below is a section about compiling with X11 but this is from an earlier version of Vim. Console only: ------------- If you build VIM without X11 support, compiling and building is nearly straightforward. Change to the vim directory and do: # Don't use c89! # Allow intermixing of compiler options and files. $ export CC=cc $ export _CC_CCMODE=1 $./configure --with-features=big --without-x --enable-gui=no $ cd src $ make There may be warnings: - include files not found (libc, sys/param.h, ...) - Redeclaration of ... differs from ... -- just ignore them. $ make test This will produce lots of garbage on your screen (including error messages). Don't worry. If the test stops at one point in vim (might happen in test 11), just press :q! Expected test failures: 11: If you don't have gzip installed 24: test of backslash sequences in regexp are ASCII dependent 42: Multibyte is not supported on z/OS 55: ASCII<->EBCDIC sorting 57: ASCII<->EBCDIC sorting 58: Spell checking is not supported with EBCDIC 71: Blowfish encryption doesn't work $ make install With X11: --------- WARNING: This instruction was not tested with Vim 7.4 or later. There are two ways for building VIM with X11 support. The first way is simple and results in a big executable (~13 Mb), the second needs a few additional steps and results in a much smaller executable (~4.5 Mb). These examples assume you want Motif. The easy way: $ export CC=cc $ export _CC_CCMODE=1 $ ./configure --enable-max-features --enable-gui=motif $ cd src $ make With this VIM is linked statically with the X11 libraries. The smarter way: Make VIM as described above. Then create a file named 'link.sed' with the following content (see src/link.390): s/-lXext *//g s/-lXmu *//g s/-lXm */\/usr\/lib\/Xm.x /g s/-lX11 */\/usr\/lib\/X11.x /g s/-lXt *//g s/-lSM */\/usr\/lib\/SM.x /g s/-lICE */\/usr\/lib\/ICE.x /g Then do: $ rm vim $ make Now Vim is linked with the X11-DLLs. See the Makefile and the file link.sh on how link.sed is used.