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本帖最后由 chishingchan 于 2023-4-3 15:50 编辑
- ==================================================================
- User visible changes for UPX
- ==================================================================
- Changes in 4.0.2 (30 Jan 2023):
- * bug fixes - see https://github.com/upx/upx/milestone/9
- Changes in 4.0.1 (16 Nov 2022):
- * bug fixes - see https://github.com/upx/upx/milestone/8
- Changes in 4.0.0 (28 Oct 2022):
- * Switch to semantic versioning
- * SECURITY NOTES: emphasize the security context in the docs
- * Support easy building from source code with CMake
- * Support easy rebuilding the stubs from source with Podman/Docker
- * Add integrated doctest C++ testing framework
- * Add support for EFI files (PE x86; Kornel Pal)
- * win32/pe and win64/pe: set correct SizeOfHeaders in the PE header
- * bug fixes - see https://github.com/upx/upx/milestone/6
- * bug fixes - see https://github.com/upx/upx/milestone/7
- Changes in 3.96 (23 Jan 2020):
- * bug fixes - see https://github.com/upx/upx/milestone/5
- Changes in 3.95 (26 Aug 2018):
- * Flag --android-shlib to work around bad design in Android
- * Flag --force-pie when ET_DYN main program is not marked as DF_1_PIE
- * Better compatibility with varying layout of address space on Linux
- * Support for 4 PT_LOAD layout in ELF generated by binutils-2.31
- * bug fixes, particularly better diagnosis of malformed input
- * bug fixes - see https://github.com/upx/upx/milestone/4
- Changes in 3.94 (12 May 2017):
- * Add support for arm64-linux (aka "aarch64").
- * Add support for --lzma compression on 64-bit PowerPC (Thierry Fauck).
- * For Mach, "upx -d" will unpack a prefix of the file (and warn).
- * Various improvements to the ELF formats.
- * bug fixes - see https://github.com/upx/upx/milestone/3
- Changes in 3.93 (29 Jan 2017):
- * Fixed some win32/pe and win64/pe regressions introduced in 3.92
- * bug fixes - see https://github.com/upx/upx/milestone/2
- Changes in 3.92 (11 Dec 2016):
- * INFO: UPX has moved to GitHub - the new home page is https://upx.github.io
- * IMPORTANT: all PE formats: internal changes: reunited the diverged source
- files - please report all regressions into the bug tracker and try UPX 3.91
- in case of problems.
- * Support Apple MacOS 10.12 "Sierra", including more-robust de-compression.
- * Explicitly diagnose Go-language bad PT_LOAD; recommend hemfix.c.
- https://sourceforge.net/p/upx/bugs/195/ https://github.com/pwaller/goupx
- * Fix CERT-FI Case 829767 UPX command line tools segfaults.
- Received by UPX Team on 2015-May-08; originally reported
- by Codenomicon to NCSC-FI on 2015-01-08.
- The vulnerabilities were discovered by Joonas Kuorilehto and
- Antti Häyrynen from Codenomicon.
- * bug fixes - see https://github.com/upx/upx/milestone/1
- Changes in 3.91 (30 Sep 2013):
- * Added experimental support for Windows 64-bit PE files, based on
- work by Stefan Widmann. Please use for testing only!
- * bug fixes
- ==================================================================
- Changes in 3.09 (18 Feb 2013):
- * New option --preserve-build-id for GNU ELF.
- * Allow for code signing and LC_UUID on Mac OS X executables.
- * Allow non-contiguous LC_SEGMENTs and 0==.vmsize for Mach-O.
- * Allow zero-filled final page in PackUnix::canUnpack().
- * bug fixes
- Changes in 3.08 (12 Dec 2011):
- * Fix allocation in runtime stub for darwin.macho-entry (i386 and amd64).
- * Compress shared library on ELF i386 only [ld.so threatens even this case].
- * Attempt to support ELF on QNX 6.3.0 for armel (experimental).
- * Better diagnostic when ELF -fPIC is needed.
- * PT_NOTE improvements for *BSD.
- * Preserve more ELF .e_flags on ARM.
- * Minor code improvements for ELF stubs.
- * Defend against another flavor of corrupt PE header.
- * bug fixes
- Changes in 3.07 (08 Sep 2010):
- * win32/pe: fixed relocation handling for files with *no* TLS callbacks
- [severe bug introduced in 3.06]
- Changes in 3.06 (04 Sep 2010):
- * win32/pe: TLS callback support contributed by Stefan Widmann. Thanks!
- * bug fixes
- Changes in 3.05 (27 Apr 2010):
- * i386-linux and amd64-linux support shared libraries (DT_INIT must
- exist, all info needed by runtime loader must be first in .text, etc.)
- * Linux /proc/self/exe now is preserved by default, by leaving behind
- one page. New compress-time option --unmap-all-pages is available.
- * Withdraw support for shared libraries on Darwin (Apple Mac OS X)
- because upx does not understand enough about .dylib.
- * bug fixes
- Changes in 3.04 (27 Sep 2009):
- * new format Mach/AMD64 supports 64-bit programs on Apple Macintosh.
- * new formats Dylib/i386 and Dylib/ppc32 support shared libraries
- [such as browser plugins] on Darwin (Apple Macintosh). An existing
- -init function (LC_ROUTINES command) is required.
- * new format vmlinuz/armel for Debian NSLU2 (etc.) linux kernel
- * bvmlinuz boot protocol 2.08 for 386 Linux kernel
- * Extended ABI version 4 for armel-eabi ARM Linux ELF
- * bug fixes
- Changes in 3.03 (27 Apr 2008):
- * implement cache flushing for PowerPC (esp. model 440)
- * fix cache flushing on MIPS (>3 MiB compressed, or with holes)
- * fix MIPS big-endian
- * bug fixes
- Changes in 3.02 (16 Dec 2007):
- * fix unmapping on arm-linux.elf
- * fix error checking in mmap for i386-linux.elf [triggered by -fPIE]
- * bug fixes
- Changes in 3.01 (31 Jul 2007):
- * new options --no-mode, --no-owner and --no-time to disable preservation
- of mode (file permissions), file ownership and timestamps.
- * dos/exe: fixed an incorrect error message caused by a bug in
- relocation handling
- * new format linux/mipsel supports ELF on [32-bit] R3000
- * fix argv[0] on PowerPC with --lzma
- * bug fixes
- Changes in 3.00 (27 Apr 2007):
- * watcom/le & tmt/adam: fixed a problem when using certain filters
- Changes in 2.93 beta (08 Mar 2007):
- * new formats Mach/i386 and Mach/fat support Mac OS X i686 and
- Universal binaries [i686 and PowerPC only]
- * dos/exe: LZMA is now also supported for 16-bit dos/exe. Please note that
- you have to explicitly use '--lzma' even for '--ultra-brute' here
- because runtime decompression is about 30 times slower than NRV -
- which is really noticeable on old machines.
- * dos/exe: fixed a rarely occurring bug in relocation handling
- * win32/pe & arm/pe: better icon compression handling
- Changes in 2.92 beta (23 Jan 2007):
- * new option '--ultra-brute' which tries even more variants
- * slightly improved compression ratio for some files when
- using '--brute' or '--ultra-brute'
- * bug fixes
- Changes in 2.91 beta (29 Nov 2006):
- * assorted bug fixes
- * arm/pe: fix "missing" icon & version info resource problem for wince 5
- * win32/pe & arm/pe: added option --compress-icons=3 to compress all icons
- Changes in 2.90 beta (08 Oct 2006):
- * LZMA algorithm support for most of the 32-bit and 64-bit file formats;
- use new option '--lzma' to enable
- * new format: BSD/elf386 supporting FreeBSD, NetBSD and OpenBSD
- via auto-detection of PT_NOTE or EI_OSABI
- * arm/pe: all the NRV compression methods are now supported
- (only NRV2D is missing in thumb mode)
- * linux/elf386, linux/ElfAMD: remember /proc/self/exe in environment
- * major source code changes: the runtime decompression stubs are now
- built from internal ELF objects
- ==================================================================
- Changes in 2.03 (07 Nov 2006):
- * bvmlinuz/386: fix for kernels not at 0x100000; also allow x86_64
- * linux/elf386: work around Linux kernel bug (0-length .bss needs PF_W)
- Changes in 2.02 (13 Aug 2006):
- * linux/386: work around Linux kernel bug (".bss" requires PF_W)
- * linux/ppc32, mach/ppc32: compressed programs now work on a 405 CPU
- * vmlinuz/386: fixed zlib uncompression problem on DOS
- Changes in 2.01 (06 Jun 2006):
- * arm/pe: better DLL support
- * dos/exe: device driver support added
- * linux/386: Fix --force-execve for PaX, grSecurity, and strict SELinux.
- /tmp must support execve(); therefore /tmp cannot be mounted 'noexec'.
- * win32/pe & arm/pe: added new option '--keep-resource=' for
- excluding selected resources from compression
- Changes in 2.00 (27 Apr 2006):
- * linux/386: the stub now prints an error message if some strict
- SELinux mode does prevent runtime decompression and execution
- (for a fully SELinux-compatible but otherwise inferior compression
- format you can use the '--force-execve' option)
- * linux/386: worked around a problem where certain Linux kernels
- clobber the %ebx register during a syscall
- * win32/pe: disable filters for files with broken PE headers
- Changes in 1.96 beta (13 Apr 2006):
- * arm/pe: added filter support
- * win32/pe: removed an unnecessary check so that Delphi 2006 and
- Digital Mars C++ programs finally are supported
- Changes in 1.95 beta (09 Apr 2006):
- * arm/pe: added DLL support
- * arm/pe: added thumb mode stub support
- * arm/pe: added unpacking support
- * win32/pe: really worked around R6002 runtime errors
- Changes in 1.94 beta (11 Mar 2006):
- * new format: added support for arm/pe (ARM executables running on WinCE)
- * new format: added support for linux elf/amd64
- * new format: added support for linux elf/ppc32
- * new format: added support for mach/ppc32 (Apple Mac OS X)
- * win32/pe: hopefully working "load config" support
- * win32/pe: R6002 runtime errors worked around
- * win32/pe: the stub now clears the dirty stack
- Changes in 1.93 beta (07 Feb 2005):
- * vmlinuz/386: fixes to support more kernels
- Changes in 1.92 beta (20 Jul 2004):
- * win32/pe: added option '--strip-loadconf' to strip the SEH load
- config section [NOTE: this option is obsolete since UPX 1.94]
- * win32/pe: try to detect .NET (win32/net) files [not yet supported by UPX]
- * vmlinux/386: new format that directly supports building Linux kernels
- * source code: now compiles cleanly under Win64
- Changes in 1.91 beta (30 Jun 2004):
- * djgpp2/coff: added support for recent binutils versions
- * linux/elf386, linux/sh386: lots of improvements
- * vmlinuz/386: added support for recent kernels
- * watcom/le: don't crash on files without relocations
- * win32/pe: stricter checks of some PE values
- * option '--brute' now implies '--crp-ms=999999'.
- * source code: much improved portability using ACC, the
- Automatic Compiler Configuration
- * source code: compile fixes for strict ISO C++ compilers
- * source code: compile fixes for Win64
- * re-synced with upx 1.25 branch
- Changes in 1.90 beta (11 Nov 2002):
- * implemented several new options for finer compression control:
- '--all-methods', '--all-filters' and '--brute'
- * ps1/exe: new format - UPX now supports PlayStation One programs
- * linux/386: added the option '--force-execve'
- * vmlinuz/386: better kernel detection and sanity checks
- * re-synced with upx 1.24 branch
- * documentation updates
- Changes in 1.11 beta (20 Dec 2000):
- * vmlinuz/386: new format - UPX now supports bootable linux kernels
- * linux/elf386: added the new ELF direct-to-memory executable format - no
- more temp files are needed for decompression!
- * linux/sh386: added the new shell direct-to-memory executable format - no
- more temp files are needed for decompression!
- * reduced overall memory requirements during packing
- * quite a number of internal source code rearrangements
- ==================================================================
- Changes in 1.25 (29 Jun 2004)
- * INFO: http://upx.sourceforge.net is the permanent UPX home page
- * watcom/le: don't crash on files without relocations
- * win32/pe: stricter checks of some PE values
- * source code: much improved portability using ACC, the
- Automatic Compiler Configuration
- * source code: compile fixes for strict ISO C++ compilers
- * source code: compile fixes for Win64
- Changes in 1.24 (07 Nov 2002)
- * djgpp2/coff: stricter check of the COFF header to work around a
- problem with certain binutils versions
- Changes in 1.23 (05 Sep 2002)
- * atari/tos: fixed an unpacking problem where a buffer was too
- small (introduced in 1.22)
- * linux/386: don't give up too early if a single block turns out
- to be incompressible
- * documentation: added some quick tips how to achieve the best
- compression ratio for the final release of your application
- * fixed a rare situation where the exit code was not set correctly
- Changes in 1.22 (27 Jun 2002)
- * atari/tos: the stub now flushes the CPU cache to avoid
- problems on 68030+ machines
- * source code: additional compiler support for Borland C++,
- Digital Mars C++ and Watcom C++
- Changes in 1.21 (01 Jun 2002)
- * New option '--crp-ms=' for slightly better compression at the cost
- of higher memory requirements during compression.
- Try 'upx --best --crp-ms=100000'. See the docs for more info.
- * source code: portability fixes
- * source code: compile fixes for g++ 3.0 and g++ 3.1
- Changes in 1.20 (23 May 2001)
- * slightly faster compression
- * work around a gcc problem in the latest djgpp2 distribution
- * watcom/le: fixed detection of already compressed files
- * win32/pe: do not compress RT_MANIFEST resource types
- * win32/pe: improved the error message for empty resource sections
- * [NOTE: the jump from 1.08 to 1.20 is to avoid confusion with
- our unstable development releases 1.1x and 1.9x]
- Changes in 1.08 (30 Apr 2001)
- * new native port to atari/tos
- * win32/pe: shortened the identstring
- * source code: portability fixes - UPX now builds cleanly under m68k CPUs
- Changes in 1.07 (20 Feb 2001)
- * win32/pe: corrected the TLS callback check
- * win32/pe: really fixed that rare bug in relocation handling
- * win32/pe: experimental support for SizeOfHeaders > 0x1000
- * win32/pe: check for superfluous data between sections
- * win32/pe: compressing screensavers (.scr) should finally work
- Changes in 1.06 (27 Jan 2001)
- * win32/pe: the check for TLS callbacks introduced in 1.05
- was too strict - disabled for now
- * dos/com: decreased the decompressor stack size a little bit
- Changes in 1.05 (24 Jan 2001)
- * win32/pe: refuse to compress programs with TLS callbacks
- * win32/pe: stub changes to avoid slowdowns with some virus monitors
- * win32/pe: reverted the relocation handling changes in 1.04
- * linux/386: dont try to compress Linux kernel images (have a look
- at the unstable UPX 1.1x beta versions for that)
- Changes in 1.04 (19 Dec 2000)
- * dos/exe: fixed an internal error when using '--no-reloc'
- * win32/pe: fixed a rare bug in the relocation handling code
- * some tunings for the default compression level
- Changes in 1.03 (30 Nov 2000)
- * linked with a new version of the NRV compression library:
- - improved compression ratio a little bit
- - overall significantly faster compression
- - much faster when using high compression levels like '-9' or '--best'
- - much faster with large files
- * atari/tos: added support for FreeMiNT
- * the 32-bit DOS version now uses the new CWSDSTUB extender
- Changes in 1.02 (13 Sep 2000)
- * watcom/le: fixed a problem with the Causeway extender
- * win32/pe: don't automatically strip relocs if they seem needed
- * support multiple backup generations when using '-k'
- * updated the console screen driver
- Changes in 1.01 (09 Apr 2000)
- * win32/pe: fixed an uncompression problem in DLLs with empty
- fixup sections
- * win32/pe: fixed another rare uncompression problem - a field in the
- PE header was set incorrectly
- Changes in 1.00 (26 Mar 2000)
- * documentation updates
- * watcom/le: do not duplicate the non-resident name table
- * win32/pe: fixed an import handling problem: sometimes too much data
- could be deleted from a file -> the uncompressed file would not work
- anymore
- Changes in 0.99.3 (07 Mar 2000)
- * win32/pe: fixed a rare problem in the stub string handling part
- Changes in 0.99.2 (02 Mar 2000)
- * dos/exe: fixed a typo causing an internal error (introduced in 0.99.1)
- Changes in 0.99.1 (29 Feb 2000)
- * win32/pe: fixed some object alignments which were causing
- problems when loading compressed DLLs under Windows NT/2000
- Changes in 0.99 (25 Feb 2000)
- * FULL SOURCE CODE RELEASED UNDER THE TERMS OF THE GNU GPL
- * win32/pe: changed default to '--strip-relocs=1'
- * dos/com and dos/sys: fixed a bad decompressor problem
- * linux/386: the counter for the progress indicator was off by one
- ==================================================================
- Changes in 0.94 (06 Dec 1999)
- * win32/pe: the stub now calls ExitProcess in case of import errors
- * under DOS and Windows, the environment variable UPX now accepts
- a '#' as replacement for '=' because of a COMMAND.COM limitation
- Changes in 0.93 (22 Nov 1999)
- * win32/pe: fixed --strip-relocs problem with uncompression
- * win32/pe: fixed a bug which could produce a broken decompressor stub
- * linux/386: yet another FreeBSD compatibility fix
- Changes in 0.92 (14 Nov 1999)
- * win32/pe: really fixed that one line (see below)
- Changes in 0.91 (13 Nov 1999)
- * win32/pe: an important one-line fix for the newly introduced problems
- * dos/com and dos/sys: fixed an internal error
- * dos/exe: correctly restore cs when uncompressing
- Changes in 0.90 (10 Nov 1999)
- * all formats: '--overlay=copy' now is the default overlay mode
- * improved compression ratio for most files
- * win32/pe: uncompression is finally supported
- * win32/pe: never compress REGISTRY resources
- * win32/pe: headersize was not set in PE header
- * win32/pe: resource handling is rewritten
- * win32/pe: the last :-) TLS problem is fixed
- * win32/pe: somewhat less memory is required during compression
- * linux/386: fixed compression of scripts which was broken since 0.71
- * linux/386: more FreeBSD compatibility issues
- * changed option: '-i' now prints some more details during compression
- (not finished yet)
- Changes in 0.84 (04 Oct 1999)
- * dos/exe: fixed a rare problem where the decompressor could crash
- * some other minor fixes
- Changes in 0.83 (17 Sep 1999)
- * dos/exe: fixed minimal memory requirement problem for some files
- * win32/pe: fixed a bug which caused a crash in some compressed files
- * linux/386: various improvements in the stub; also, for the sake
- of FreeBSD users, the stub is now branded as Linux/ELF
- Changes in 0.82 (16 Aug 1999)
- * dos/exe: fixed a decompressor bug which could cause crash on some files
- * linux/386: section headers are now stripped from the stub so that
- 'strip' won't ruin a compressed file any longer
- * wc/le: support for stack not in the last object disabled again
- * win32/pe: removed some unneeded data
- Changes in 0.81 (04 Aug 1999)
- * win32/pe: fixed an important bug in import handling
- * dos/com: fixed an internal error that could happen with very small files
- Changes in 0.80 (03 Aug 1999)
- * you can set some default options in the environment var 'UPX'
- * dos/com: the decompressor stub now checks for enough free memory
- * dos/exe: decompressor rewritten, some bugs are fixed
- * dos/exe: new option '--no-reloc': no relocation data is put into
- the DOS header
- * tmt/adam: added support for more stubs, detect already packed files
- * tmt/adam: new option '--copy-overlay'
- * wc/le: reduced memory requirement during uncompression
- * wc/le: support files which do not contain their stack in the last object
- * wc/le: fixed a bug which could cause a crash, improved relocation
- handling
- * wc/le: new option '--copy-overlay'
- * win32/pe: '--compress-icons=2' is now the default
- * win32/pe: even better TLS support
- * win32/pe: versioninfo works on NT
- * win32/pe: import by ordinal from kernel32.dll works
- * win32/pe: other import improvements: importing a nonexistent DLL
- results in a usual Windows message, importing a nonexistent function
- results in program exit (instead of crash ;-)
- * win32/pe: new option: '--compress-resources=0'
- * win32/pe: reduced memory requirement during uncompression, some
- files might even require LESS memory when they're compressed
- * win32/pe: TYPELIBs should work now
- * win32/pe: improved relocation handling, 16-bit relocations should work
- * win32/pe: new option '--strip-relocs' (only if you know what you are doing)
- * win32/pe: new option '--copy-overlay'
- * important internal changes: now the stubs are built at runtime
- Changes in 0.72 (12 May 1999)
- * tmt/adam: fixed a serious problem in the decompressor stub; all
- compressed tmt files should be recompressed
- * win32/pe: fixed the 'shared sections not supported' warning:
- read-only shared sections are fine
- * win32/pe: never compress TYPELIB resources
- * win32/pe: compressed files are hopefully less suspicious to heuristic
- virus scanners now
- * linux/386: minor decompressor stub updates, nicer progress bar
- Changes in 0.71 (19 Apr 1999)
- * dos/exe: added option '--no-overlay'
- * linux/386: various improvements in the stub, most notably the
- overhead for an extra cleanup process has been removed
- * win32/pe: added support for export forwarders
- * win32/pe: added support for DLLs without entry point or imports
- * win32/pe: yet another .bss fix
- * win32/pe: new option '--compress-icons=2': compress all icons
- which are not in the first icon directory
- * win32/pe: rearranged stub to avoid false alerts from some virus scanners
- Changes in 0.70 (30 Mar 1999)
- * added support for linux/386 executables
- * improved compression ratio quite a bit
- * added new compression level '--best' to squeeze out even some more bytes
- * win32/pe: TLS support is much better now
- * win32/pe: --compress-icons=0 should now work as well
- * the usual minor fixes for win32/pe
- Changes in 0.62 (16 Mar 1999)
- * win32/pe: --compress-icons and --compress-exports are on now by default
- * win32/pe: --compress-icons should really work now
- * win32/pe: fixed a problem with embedded .bss sections
- Changes in 0.61 (08 Mar 1999)
- * atari/tos: fixed a problem where the bss segment could become too small
- Changes in 0.60 (06 Mar 1999)
- * win32/pe: fixed file corruption when the size of the export data is invalid
- * win32/pe: fixed a problem with empty resource data
- * win32/pe: compressed file alignment set to minimum value
- * win32/pe: made all compressed sections writable
- * fixed some other win32/pe bugs
- * fixed an address optimization problem for some not Watcom LE files
- * fixed a bug which could make UPX hang when an exe header contained
- an illegal value
- * added some compression flags for the win32/pe format
- * added support for Atari ST/TT executables (atari/tos)
- * improved compression ratio
- * improved compression speed
- Changes in 0.51 (14 Jan 1999)
- * fixed a small bug in the PE header that would prevent some compressed
- win32/pe executables from running under Windows NT and WINE
- Changes in 0.50 (03 Jan 1999)
- * added support for PE format executables (win32/pe & rtm32/pe)
- * added support for TMT executables (tmt/adam)
- * fixed a dos/sys bug that affected OpenDOS
- Changes in 0.40 (05 Oct 1998)
- * improved compression ratio
- * fixed a small but fatal bug in dos/sys introduced in 0.30
- * fixed a rare bug in dos/exe
- * worked around a bug in djgpp's strip 2.8
- * djgpp/coff: Allegro packfile support should work now
- * added dos/exeh compression method (works on 386+)
- Changes in 0.30 (27 Jul 1998)
- * fixed a serious bug in the 32-bit compressors - please don't use
- djgpp/coff and watcom/le compressed files from previous versions,
- some of them are possibly damaged !
- * the 16-bit uncompressors are a little bit shorter & faster
- * fixed progress indicator for VESA and SVGA text modes
- Changes in 0.20 (05 Jul 1998)
- * second public beta release
- * too many changes to list here
- Changes in 0.05 (26 May 1998)
- * first public beta release
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