Commit Graph

542 Commits

Author SHA1 Message Date
John Reiser 284adb203f Better checking of DT_HASH.nbuckets
https://github.com/upx/upx/issues/507
	modified:   p_lx_elf.cpp
2021-12-24 15:52:16 -08:00
John Reiser adafa841f7 Some PT_LOAD must have (p_flags & PF_X)
https://github.com/upx/upx/issues/511
	modified:   p_lx_elf.cpp
2021-12-24 15:32:19 -08:00
John Reiser fdc5d25d03 Require DT_STRSZ
https://github.com/upx/upx/issues/512
	modified:   p_lx_elf.cpp
2021-12-24 15:08:22 -08:00
John Reiser bd441e83ae WIP: de-compression of old-style shlib
modified:   p_lx_elf.cpp
2021-09-06 08:43:20 -07:00
John Reiser c9f6a3583c WIP 64-bit shlib
modified:   p_lx_elf.cpp
2021-08-07 06:45:01 -07:00
John Reiser 076aaf829a WIP: Elf64 shlib compress+decompress seems to work
modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
	modified:   p_unix.cpp
2021-07-05 13:47:19 -07:00
John Reiser 85f0c5a445 WIP: Elf64 shlib cleanup
modified:   file.cpp
	modified:   file.h
	modified:   p_elf_enum.h
	modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2021-07-02 18:33:38 -07:00
John Reiser d5263a56ce WIP: handling shared library
modified:   p_lx_elf.cpp
	modified:   p_unix.cpp
	modified:   p_unix.h
2021-05-22 16:03:53 -07:00
John Reiser 181c752488 WIP: un_shlib_1
modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2021-05-08 11:14:31 -07:00
John Reiser 333a288248 shlib: Don't compress below xct_off (except Elf headers)
modified:   p_lx_elf.cpp
2021-04-11 15:16:34 -07:00
John Reiser 613df414ed Fix off-by-1 in invert_pt_dynamic; SHT_NOBITS occupies no space
modified:   p_lx_elf.cpp
2021-04-11 15:09:55 -07:00
John Reiser be050693f2 PackLinuxElf::canUnpack must checkEhdr() for ELF input
https://github.com/upx/upx/issues/485
	modified:   p_lx_elf.cpp
2021-04-10 10:11:48 -07:00
John Reiser 78f48d65d5 Allow 0==nbucket for DT_HASH, DT_GNU_HASH
static linked 'Rust' program with no symbols
https://github.com/upx/upx/issues/476
2021-03-25 07:22:01 -07:00
John Reiser b81ec224b7 Fix headway argument to invert_pt_dynamic()
https://github.com/upx/upx/issues/473
	modified:   p_lx_elf.cpp
2021-03-25 07:10:40 -07:00
John Reiser 4be6cfebcd get_te32() when checking DT_GNU_HASH chains (MIPS .so)
https://github.com/upx/upx/issues/473
        modified:   p_lx_elf.cpp
2021-03-23 18:21:45 -07:00
John Reiser 98973dd8b9 get_te32() when checking DT_HASH chains (MIPS .so)
https://github.com/upx/upx/issues/473
	modified:   p_lx_elf.cpp
2021-03-23 06:45:01 -07:00
John Reiser 1218b6ff2a Check more in invert_pt_dynamic
https://github.com/upx/upx/issues/471
	modified:   p_lx_elf.cpp
2021-03-16 18:46:11 -07:00
John Reiser 0a69e7803b Fix errors detected by "make run-testsuite".
total_out does not matter when option -t writes no output file.
Subtle error in generateElfHdr() [noted by address sanitizer].
New member function is_LOAD32() to avoid confusion with (1+ LO_PROC).
	modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2021-03-06 15:31:56 -08:00
John Reiser 0a1d24d1d9 Remove nit from PackLinuxElf64::generateElfHdr [address sanitizer]
modified:   p_lx_elf.cpp
2021-03-05 16:33:25 -08:00
John Reiser 35555bfb8a WIP: PackLinuxElf64::unpack working for shared libraries (non-Android)
modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
	modified:   p_unix.cpp
2021-03-05 16:20:36 -08:00
John Reiser c9cb42df40 WIP: hacking un_shlib_1
modified:   p_lx_elf.cpp
2021-02-28 17:12:20 -08:00
John Reiser 2be03028f4 WIP: un_shlib_1
modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2021-02-27 19:27:12 -08:00
John Reiser 182e0796df Split PackLinuxElf64::unpack for main program vs shared library
modified:   p_lx_elf.cpp
2021-02-22 16:15:03 -08:00
John Reiser fb844a8ed1 total_in, total_out move to PackUnix
modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
	modified:   p_lx_interp.cpp
	modified:   p_mach.cpp
	modified:   p_unix.cpp
	modified:   p_unix.h
2021-02-22 16:13:40 -08:00
John Reiser 23f63e4196 WIP unpacking ELF shared library
modified:   Makefile
	modified:   lzma-sdk
	modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
	modified:   p_mach.cpp
	modified:   p_unix.cpp
	modified:   p_unix.h
	modified:   packer.cpp
	modified:   packer.h
	modified:   stub/arm64-linux.elf-fold.h
	modified:   stub/src/arm64-linux.elf-fold.S
	modified:   stub/tmp/arm64-linux.elf-fold.map
2021-01-15 14:11:09 -08:00
Markus F.X.J. Oberhumer 9131d5216f Welcome 2021. 2021-01-01 20:39:22 +01:00
John Reiser 13bc031163 Check DT_REL/DT_RELA, DT_RELSZ/DT_RELASZ
https://github.com/upx/upx/issues/421
	modified:   p_lx_elf.cpp
2020-12-11 13:38:18 -08:00
Markus F.X.J. Oberhumer f7e2266c3f Start using some C++ 14 features. 2020-12-08 05:40:17 +01:00
John Reiser 7841e15583 Prefer MemBuffer instead of New()+delete
https://github.com/upx/upx/issues/428
	modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2020-12-05 10:31:55 -08:00
Markus F.X.J. Oberhumer 94e72238f2 Fix some warnings. 2020-12-03 03:10:12 +01:00
John Reiser e6ccef2cf1 MSVC strikes again
modified:   p_lx_elf.cpp
2020-09-05 19:19:11 -07:00
John Reiser be61e9f584 Fix 64-bit ET_EXEC
https://github.com/upx/upx/issues/405
	modified:   p_lx_elf.cpp
	modified:   stub/src/amd64-linux.elf-main.c

	modified:   ../.github/travis_testsuite_1-expected_sha256sums.sh
	modified:   stub/amd64-linux.elf-fold.h
	modified:   stub/arm64-linux.elf-fold.h
	modified:   stub/powerpc64-linux.elf-fold.h
	modified:   stub/powerpc64le-linux.elf-fold.h
	modified:   stub/tmp/amd64-linux.elf-fold.map
	modified:   stub/tmp/arm64-linux.elf-fold.map
	modified:   stub/tmp/powerpc64-linux.elf-fold.map
	modified:   stub/tmp/powerpc64le-linux.elf-fold.map
2020-09-04 10:21:14 -07:00
John Reiser c1a55b063e 0==e_shnum obviates testing of e_shoff
modified:   p_lx_elf.cpp
2020-07-26 20:00:05 -07:00
John Reiser 77c914bce5 Check de-compressed SHT_SYMTAB
https://github.com/upx/upx/issues/396
	modified:   p_lx_elf.cpp
2020-07-25 09:28:02 -07:00
John Reiser cc60f03b2e Check Shdr more
https://github.com/upx/upx/issues/395
	modified:   p_lx_elf.cpp
2020-07-25 08:19:45 -07:00
John Reiser cc9ccdbbd1 Check .sh_offset and .sh_size in SHT_DYNAMIC and SHT_STRNDX
https://github.com/upx/upx/issues/394
	modified:   p_lx_elf.cpp
2020-07-25 07:41:43 -07:00
John Reiser 9dfc8f573c Avoid 0==nbucket
https://github.com/upx/upx/issues/393
	modified:   p_lx_elf.cpp
2020-07-23 05:44:18 -07:00
John Reiser 4e2fdb464a Defend against bad PT_DYNAMIC
https://github.com/upx/upx/issues/391
	modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
2020-07-23 05:09:52 -07:00
John Reiser 73b854874e Defend against junk PT_DYNAMIC
https://github.com/upx/upx/issues/390
	modified:   p_lx_elf.cpp
2020-07-23 04:14:34 -07:00
John Reiser 0016512df1 Unpack: Phdrs must be within expansion of first compressed block
https://github.com/upx/upx/issues/388
	modified:   p_lx_elf.cpp
2020-07-22 19:34:27 -07:00
John Reiser 527139978a DT_HASH chains might be trimmed (64-bit, too)
https://github.com/upx/upx/issues/383
	modified:   p_lx_elf.cpp
2020-06-08 12:37:53 -07:00
John Reiser 47bc68fa6b DT_HASH chains might be trimmed
https://github.com/upx/upx/issues/383
	modified:   p_lx_elf.cpp
2020-06-07 19:35:49 -07:00
John Reiser 963392a5ae De-compress (upx -d) for ELF pageholes
modified:   p_lx_elf.cpp
2020-05-30 13:54:11 -07:00
John Reiser a817ed0692 uintptr_t for MSVC
modified:   p_lx_elf.cpp
2020-05-23 11:02:46 -07:00
John Reiser 828a6cf07b invert_pt_dynamic() more checking
https://github.com/upx/upx/issues/378
https://github.com/upx/upx/issues/379
	modified:   p_lx_elf.cpp
2020-05-23 10:51:03 -07:00
John Reiser 962c35aa08 More checking of DT_GNU_HASH and DT_HASH tables
https://github.com/upx/upx/issues/381
	modified:   p_lx_elf.cpp
2020-05-23 10:04:38 -07:00
John Reiser b327645e64 More checking of DT_GNU_HASH and DT_HASH tables
https://github.com/upx/upx/issues/380
	modified:   p_lx_elf.cpp
2020-05-23 09:41:41 -07:00
John Reiser 6272152dfe phdr[C_BASE].p_memsz for ET_EXEC
modified:   p_lx_elf.cpp
2020-05-25 14:11:46 -07:00
John Reiser 80c27e0822 arm.v4a works: ELF layout for page holes
modified:   p_lx_elf.cpp
	modified:   stub/src/i386-linux.elf-main.c
	modified:   stub/src/arm.v4a-linux.elf-entry.S
	modified:   stub/src/arm.v4a-linux.elf-fold.S

	modified:   stub/arm.v4a-linux.elf-entry.h
	modified:   stub/arm.v4a-linux.elf-fold.h
	modified:   stub/arm.v5a-linux.elf-entry.h
	modified:   stub/arm.v5a-linux.elf-fold.h
	modified:   stub/armeb.v4a-linux.elf-entry.h
	modified:   stub/armeb.v4a-linux.elf-fold.h
	modified:   stub/i386-linux.elf-fold.h
	modified:   stub/mips.r3000-linux.elf-fold.h
	modified:   stub/mipsel.r3000-linux.elf-fold.h
	modified:   stub/powerpc-linux.elf-fold.h
	modified:   stub/tmp/arm.v4a-linux.elf-entry.bin.dump
	modified:   stub/tmp/arm.v4a-linux.elf-fold.map
	modified:   stub/tmp/arm.v5a-linux.elf-entry.bin.dump
	modified:   stub/tmp/arm.v5a-linux.elf-fold.map
	modified:   stub/tmp/armeb.v4a-linux.elf-entry.bin.dump
	modified:   stub/tmp/armeb.v4a-linux.elf-fold.map
	modified:   stub/tmp/i386-linux.elf-fold.map
	modified:   stub/tmp/mips.r3000-linux.elf-fold.map
	modified:   stub/tmp/mipsel.r3000-linux.elf-fold.map
	modified:   stub/tmp/powerpc-linux.elf-fold.map
2020-05-14 15:10:40 -07:00
John Reiser 926481dace ELF layout for page holes when runtime PAGE_SIZE < .p_align
amd64 works
	modified:   p_lx_elf.cpp
	modified:   stub/src/amd64-linux.elf-entry.S
	modified:   stub/src/amd64-linux.elf-fold.S
	modified:   stub/src/amd64-linux.elf-main.c
	modified:   Makefile
	modified:   stub/amd64-linux.elf-entry.h
	modified:   stub/amd64-linux.elf-fold.h
	modified:   stub/amd64-linux.shlib-init.h
	modified:   stub/arm64-linux.elf-fold.h
	modified:   stub/powerpc64-linux.elf-fold.h
	modified:   stub/powerpc64le-linux.elf-fold.h
	modified:   stub/src/amd64-linux.shlib-init.S
	modified:   stub/tmp/amd64-linux.elf-entry.bin.dump
	modified:   stub/tmp/amd64-linux.elf-fold.map
	modified:   stub/tmp/amd64-linux.shlib-init.bin.dump
	modified:   stub/tmp/arm64-linux.elf-fold.map
	modified:   stub/tmp/powerpc64-linux.elf-fold.map
	modified:   stub/tmp/powerpc64le-linux.elf-fold.map
2020-05-09 08:05:05 -07:00