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137 Commits

Author SHA1 Message Date
Markus F.X.J. Oberhumer e0bf460993 src: rename membuffer "Uncompression" to "Decompression" 2022-10-28 10:34:31 +02:00
Markus F.X.J. Oberhumer 7dd2cdea1e src: deprecate util/bptr.h 2022-10-27 17:52:15 +02:00
Markus F.X.J. Oberhumer c4437cb293 all: add support for a basic "make test" 2022-10-06 14:10:35 +02:00
Markus F.X.J. Oberhumer c75d7a685d src: major cleanups, introduce new eXtended Span class 
- initial minimally invasive eXtended Span implementation
- rename ptr_diff to ptr_diff_bytes
- move some files to util subdir
- lots of cleanups
- start using the new checked pointers - this needs some real-world testing
 2022-09-16 13:26:13 +02:00
Markus F.X.J. Oberhumer aa8cdca0a9 src: consistently use TESTING for internal development tests 2022-09-04 04:24:39 +02:00
Markus F.X.J. Oberhumer 6931a3aa70 src: enable -Wzero-as-null-pointer-constant when using clang 2022-09-04 04:24:39 +02:00
Markus F.X.J. Oberhumer d001a63bce Welcome 2022. 2022-09-04 04:24:39 +02:00
John Reiser dadbbbdc64 Avoid trouble: disallow empty name of export directory 
https://github.com/upx/upx/issues/425
	modified:   pefile.cpp
 2022-08-13 12:25:30 -07:00
John Reiser bfd2153f2b Delete trailing space characters 
https://github.com/upx/upx/pull/589
	modified:   pefile.cpp
 2022-07-26 20:09:16 -07:00
S01den 077793fa5e Update pefile.cpp 
I found a bug by participating to the Binary Golf Grand Prix 3 (https://tmpout.sh/bggp/3/) : upx text.exe segfaults when NumberOfSections in the IMAGE_FILE_HEADER is NULL, so 
if (memcmp(isection[0].name,"UPX",3) == 0) triggers a NULL pointer dereference causing a crash.
To fix it, just have to check if isection is NULL (which means NumberOfSections = 0) or not.
 2022-07-27 01:54:01 +02:00
John Reiser a646231630 aligned_sotls, per Laszlo 
https://github.com/upx/upx/issues/556
	modified:   pefile.cpp
 2022-02-07 08:39:13 -08:00
John Reiser 1050de5171 Native alignment for the "load config" table 
https://github.com/upx/upx/issues/556
	modified:   pefile.cpp
 2022-01-15 06:45:47 -08:00
Kornel Pal 620955a724 PE: Fix has_oxrelocs (TLS always has oxrelocs) 2021-12-31 20:45:28 +01:00
John Reiser 2e64a277f8 Fix headway during optimizeReloc() 
Later: "Assertion `(soxrelocs == 0) == !has_oxrelocs' failed."
https://github.com/upx/upx/issues/552
	modified:   packer.cpp
	modified:   packer.h
	modified:   pefile.cpp
 2021-12-31 10:27:58 -08:00
John Reiser ea567a8b14 Check when optimizeRelocs() 
https://github.com/upx/upx/issues/513
	modified:   packer.h
	modified:   packer.cpp
	modified:   pefile.cpp
	modified:   p_wcle.cpp
	modified:   p_tmt.cpp
 2021-12-29 16:57:52 -08:00
Kornel Pal 990d0ec543 PE: Remove duplicate oxrelocs write 2021-12-22 05:07:54 +01:00
Kornel Pal 937bfa4e49 PE: Add support for EFI images 2021-12-22 03:05:24 +01:00
Kornel Pal 1d9c211eed PE: Make imports in decompressor stub optional 2021-12-22 03:00:17 +01:00
Kornel Pal 76ddf6b8da PE: Add position independent decompressor stub for i386 2021-12-22 02:58:09 +01:00
Kornel Pal 7f1f29b0d8 PE: Remove empty non-compressed section 2021-12-22 02:57:10 +01:00
Kornel Pal 222471744f PE: Remove file alignment restriction 2021-12-22 02:56:09 +01:00
Kornel Pal cc100be26e PE: Fix stripped relocation handling 2021-12-22 02:55:33 +01:00
Kornel Pal bfd1f1fbfa PE: Fix relocation parsing and validation 2021-12-16 06:56:01 +01:00
bitraid 6da79783ea PE: Handle empty imports 2021-05-15 21:41:31 +03:00
John Reiser 02bd9cc403 IMAGE_SUBSYSTEM_EFI_APPLICATION 
Beginning of support for compressing EFI files; lacks run-time decompressor.
https://github.com/upx/upx/issues/518
	modified:   p_armpe.cpp
	modified:   p_w32pe.cpp
	modified:   p_w64pep.cpp
	modified:   pefile.cpp
	modified:   pefile.h
 2021-09-06 08:38:51 -07:00
bitraid d55746f62d PE: disable CFG and compress with --force 2021-05-01 18:05:27 +03:00
bitraid 144010295e Improve --strip-relocs 
- Remove .reloc section
- Enable for 64-bit images
- Abort if explicitly set on unsupported image
- Use with --force to remove ASLR / apply when imagebase < default
 2021-04-25 20:15:07 +03:00
Markus F.X.J. Oberhumer f6ff5a2805 Cleanups: start working on -Wsuggest-override, add some "final". NFCI. 2021-03-28 21:19:29 +02:00
bitraid 1518e5bc98 PE: fix SizeOfHeaders value of Optional Header field 2021-03-25 21:41:49 +02:00
John Reiser ba5c77c9e5 Reject if MZ and PE headers overlap 
Overlap ('leanify', etc.) causes headaches.
https://github.com/upx/upx/issues/231
	modified:   p_w32pe.cpp
	modified:   p_w64pep.cpp
	modified:   pefile.cpp
 2021-03-14 15:20:15 -07:00
Markus F.X.J. Oberhumer d86d5314ba Modernize libc usage: more cleanups. 2021-01-05 22:03:29 +01:00
Markus F.X.J. Oberhumer 700c8730cf Modernize libc usage: stop using off_t, use modern printf. 
C++ 14 is here, and old versions of MSVC and MSVCRT have
haunted us long enough.
 2021-01-05 18:52:05 +01:00
Markus F.X.J. Oberhumer 9131d5216f Welcome 2021. 2021-01-01 20:39:22 +01:00
Markus F.X.J. Oberhumer f7e2266c3f Start using some C++ 14 features. 2020-12-08 05:40:17 +01:00
John Reiser bb1df15958 Use 'mb_' prefix on instances of MemBuffer 
modified:   pefile.cpp
	modified:   pefile.h
 2020-12-05 13:53:14 -08:00
Liam Murphy 249431f45f tweak formatting to reduce diff 2020-11-26 03:00:21 +00:00
Liam Murphy cbe129795e migrate to MemBuffer class from New() to remove leak 2020-11-26 00:14:00 +00:00
John Reiser 2a135e245b Prefer MemBuffer instead of New()+delete 
https://github.com/upx/upx/issues/428
	modified:   pefile.cpp
	modified:   pefile.h
 2020-12-05 13:44:19 -08:00
Markus F.X.J. Oberhumer f218812858 Fix spelling of some constants. 2020-12-03 01:46:30 +01:00
Markus F.X.J. Oberhumer 8a7b980fc0 Avoid a MSVC warning. 2020-12-03 01:44:09 +01:00
John Reiser 10df93536e Yet another attempt to suppress MSVC C4245 
https://github.com/upx/upx/issues/435
	modified:   pefile.cpp
 2020-11-29 00:01:22 -08:00
John Reiser 6cad27896f Another attempt to suppress MSVC C4245 
https://github.com/upx/upx/issues/435
	modified:   pefile.cpp
 2020-11-28 23:53:49 -08:00
John Reiser 052392d97b Attempt workaround for MSVC C4245 signed/unsigned mismatch in template 'argument' 
https://github.com/upx/upx/issues/435
	modified:   pefile.cpp
 2020-11-28 20:23:01 -08:00
Matthijs Lavrijsen 4f3054f07d PE: only add a TLS relocation if tls_handler_offset_reloc != 0 2020-09-08 11:44:56 +02:00
bitraid 0d7bd52e21 Only pack w/ -f PE files that force integrity check 2020-10-31 19:53:33 +02:00
John Reiser 7c105d7af5 omemmove exactly as much 
Fix 14992260c60b8d6677a677a9cdfae98b11353df7; revealed by testsuite
	modified:   pefile.cpp
 2020-11-05 15:05:52 -08:00
John Reiser 143049922b Beware overlap when rebuildImports 
Based on a hint from a little bird.
	modified:   pefile.cpp
 2020-09-20 14:10:24 -07:00
Mattiwatti 89d0fda9fa Make PE load config directory address dword aligned 2020-01-21 16:03:40 +01:00
bitraid 6a85bab5da Don't pack Cotrol Flow Guard PE files 2020-07-28 17:36:13 +03:00
bitraid 17bd0b3248 Don't use --strip-reloc with -d 
Always restore the relocation section of Portable Executables on
unpacking, if it exists in the compressed image.
 2020-04-13 21:38:22 +03:00