From 9c4ae699b5b91fa193b4ccf0bf29a3c1e69676b4 Mon Sep 17 00:00:00 2001 From: Jens-Heiner Rechtien Date: Tue, 28 Jul 2009 09:21:19 +0000 Subject: CWS-TOOLING: integrate CWS fwk112 2009-07-17 08:54:15 +0200 cd r274075 : #i102094# MinGW needs additional path info for linking 2009-07-13 15:09:07 +0200 cd r273938 : #i102094# Add special part for MinGW linking to imagehlp.lib 2009-07-10 08:05:14 +0200 cd r273871 : #i102094# Use size_t for constant values to fix warnings 2009-07-09 13:45:27 +0200 cd r273859 : #i102094# MinGW needs include malloc.h for function alloca 2009-07-09 12:37:39 +0200 cd r273856 : #i102094# Fix problem with signed/unsigned comparision warning 2009-06-19 11:34:40 +0200 cd r273154 : #i102094# Added comment for future maintenance 2009-06-19 11:34:11 +0200 cd r273153 : #i102094# Added comment for future maintenance 2009-06-16 17:25:03 +0200 cd r273032 : #i102094# Extend md5.cxx to detect Windows PE images and ignore PE header date+time/checksum to have the same MD5 checksum 2009-06-16 17:22:47 +0200 cd r273031 : #i102094# Added rebase custom action 2009-06-16 17:01:12 +0200 cd r273030 : #i102094# Use rebaseoo.exe instead of rebase.exe to prevent clash with build tool 2009-06-16 17:00:34 +0200 cd r273029 : #i102094# Execute rebase custom action for administrative installations 2009-06-16 16:59:11 +0200 cd r273028 : #i102094# Small changes for rebaseoo/rebasegui tools 2009-06-16 16:58:29 +0200 cd r273027 : i102094# Deliver rebase tool as rebaseoo.exe as build env already use a rebase.exe 2009-06-16 16:57:15 +0200 cd r273026 : i102094# Crash reporter should not use PE header date+time/checksum data for MD5 checksum 2009-05-29 17:03:26 +0200 cd r272474 : #i102094# Fix wrong deliver statement 2009-05-29 14:55:35 +0200 cd r272459 : #i102904# Make executables more robust. Add error message if installation cannot be found 2009-05-28 17:41:07 +0200 cd r272422 : CWS-TOOLING: rebase CWS fwk112 to trunk@272291 (milestone: DEV300:m49) 2009-05-28 17:31:27 +0200 cd r272421 : #i10000# Resolve conflict on merge 2009-05-28 15:32:09 +0200 cd r272409 : #i102094# Added resource and localization files for rebasegui tool 2009-05-27 13:56:33 +0200 cd r272341 : #i102094# Added new command line tool to rebase libraries to a default virtual load address. Additional GUI tool to check the state of an installation 2009-05-26 10:49:20 +0200 cd r272285 : #i102094# New command line tool to rebase libraries to a default virtual load address 2009-05-26 10:40:02 +0200 cd r272282 : #i102094# New command line tool to rebase libraries to a default virtual load address 2009-05-26 08:57:24 +0200 cd r272280 : #i102094# Fixed wrong variable usage 2009-05-26 08:41:29 +0200 cd r272278 : #i102094# New command line tool to rebase libraries to a default virtual load address 2009-05-20 16:47:24 +0200 cd r272141 : #102094# Added missing include statement for debug build 2009-05-20 15:39:21 +0200 is r272136 : #102094# rebase to default value in installation 2009-05-20 15:38:38 +0200 is r272135 : #102094# rebase to default value in installation 2009-05-20 15:37:45 +0200 is r272134 : #102094# rebase to default value in installation --- tools/bootstrp/md5.cxx | 64 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 63 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/bootstrp/md5.cxx b/tools/bootstrp/md5.cxx index bca89725fac2..a234f278cc9d 100644 --- a/tools/bootstrp/md5.cxx +++ b/tools/bootstrp/md5.cxx @@ -44,8 +44,62 @@ #define FILE_OPEN_READ "r" #endif +// Extended calc_md5_checksum to recognize Windows executables and libraries. To +// create the same md5 checksum for a (code/data) identical file it ignores a different +// date and header checksum. Please see crashrep/source/win32/soreport.cpp +// where the same method is also used. The crash reporter uses the MD5 +// checksums to transfer them to the crash database. You have to make sure that both +// methods use the same algorithm otherwise there could be problems with stack reports. + +void normalize_pe_image(sal_uInt8* buffer, size_t nBufferSize) +{ + const int OFFSET_PE_OFFSET = 0x3c; + const int OFFSET_COFF_TIMEDATESTAMP = 4; + const int PE_SIGNATURE_SIZE = 4; + const int COFFHEADER_SIZE = 20; + const int OFFSET_PE_OPTIONALHEADER_CHECKSUM = 64; + + // Check the header part of the file buffer + if (buffer[0] == sal_uInt8('M') && buffer[1] == sal_uInt8('Z')) + { + unsigned long PEHeaderOffset = (long)buffer[OFFSET_PE_OFFSET]; + if (PEHeaderOffset < nBufferSize-4) + { + if ( buffer[PEHeaderOffset+0] == sal_uInt8('P') && + buffer[PEHeaderOffset+1] == sal_uInt8('E') && + buffer[PEHeaderOffset+2] == 0 && + buffer[PEHeaderOffset+3] == 0 ) + { + PEHeaderOffset += PE_SIGNATURE_SIZE; + if (PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP < nBufferSize-4) + { + // Set timedatestamp and checksum fields to a normalized + // value to enforce the same MD5 checksum for identical + // Windows executables/libraries. + buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+0] = 0; + buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+1] = 0; + buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+2] = 0; + buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+3] = 0; + } + + if (PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM < nBufferSize-4) + { + // Set checksum to a normalized value + buffer[PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM] = 0; + buffer[PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM+1] = 0; + buffer[PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM+2] = 0; + buffer[PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM+3] = 0; + } + } + } + } +} + rtlDigestError calc_md5_checksum( const char *filename, ByteString &aChecksum ) { + const size_t BUFFER_SIZE = 0x1000; + const size_t MINIMAL_SIZE = 512; + sal_uInt8 checksum[RTL_DIGEST_LENGTH_MD5]; rtlDigestError error = rtl_Digest_E_None; @@ -58,11 +112,19 @@ rtlDigestError calc_md5_checksum( const char *filename, ByteString &aChecksum ) if ( digest ) { size_t nBytesRead; - sal_uInt8 buffer[0x1000]; + sal_uInt8 buffer[BUFFER_SIZE]; + bool bHeader(true); while ( rtl_Digest_E_None == error && 0 != (nBytesRead = fread( buffer, 1, sizeof(buffer), fp )) ) { + if (bHeader) + { + bHeader = false; + if (nBytesRead >= MINIMAL_SIZE && buffer[0] == sal_uInt8('M') && buffer[1] == sal_uInt8('Z') ) + normalize_pe_image(buffer, nBytesRead); + } + error = rtl_digest_updateMD5( digest, buffer, nBytesRead ); } -- cgit