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-rw-r--r--openssl/ms/segrenam.pl65
1 files changed, 65 insertions, 0 deletions
diff --git a/openssl/ms/segrenam.pl b/openssl/ms/segrenam.pl
new file mode 100644
index 000000000..2ab22a045
--- /dev/null
+++ b/openssl/ms/segrenam.pl
@@ -0,0 +1,65 @@
+#!/usr/bin/env perl
+
+my $quiet = 1;
+
+unpack("L",pack("N",1))!=1 || die "only little-endian hosts are supported";
+
+# first argument can specify custom suffix...
+$suffix=(@ARGV[0]=~/^\$/) ? shift(@ARGV) : "\$m";
+#################################################################
+# rename segments in COFF modules according to %map table below #
+%map=( ".text" => "fipstx$suffix", #
+ ".text\$"=> "fipstx$suffix", #
+ ".rdata"=> "fipsrd$suffix", #
+ ".data" => "fipsda$suffix" ); #
+#################################################################
+
+# collect file list
+foreach (@ARGV) {
+ if (/\*/) { push(@files,glob($_)); }
+ else { push(@files,$_); }
+}
+
+use Fcntl;
+use Fcntl ":seek";
+
+foreach (@files) {
+ $file=$_;
+ print "processing $file\n" unless $quiet;
+
+ sysopen(FD,$file,O_RDWR|O_BINARY) || die "sysopen($file): $!";
+
+ # read IMAGE_DOS_HEADER
+ sysread(FD,$mz,64)==64 || die "$file is too short";
+ @dos_header=unpack("a2C58I",$mz);
+ if (@dos_header[0] eq "MZ") {
+ $e_lfanew=pop(@dos_header);
+ sysseek(FD,$e_lfanew,SEEK_SET) || die "$file is too short";
+ sysread(FD,$Magic,4)==4 || die "$file is too short";
+ unpack("I",$Magic)==0x4550 || die "$file is not COFF image";
+ } elsif ($file =~ /\.obj$/i) {
+ # .obj files have no IMAGE_DOS_HEADER
+ sysseek(FD,0,SEEK_SET) || die "unable to rewind $file";
+ } else { next; }
+
+ # read IMAGE_FILE_HEADER
+ sysread(FD,$coff,20)==20 || die "$file is too short";
+ ($Machine,$NumberOfSections,$TimeDateStamp,
+ $PointerToSymbolTable,$NumberOfSysmbols,
+ $SizeOfOptionalHeader,$Characteristics)=unpack("SSIIISS",$coff);
+
+ # skip over IMAGE_OPTIONAL_HEADER
+ sysseek(FD,$SizeOfOptionalHeader,SEEK_CUR) || die "$file is too short";
+
+ # traverse IMAGE_SECTION_HEADER table
+ for($i=0;$i<$NumberOfSections;$i++) {
+ sysread(FD,$SectionHeader,40)==40 || die "$file is too short";
+ ($Name,@opaque)=unpack("Z8C*",$SectionHeader);
+ if ($map{$Name}) {
+ sysseek(FD,-40,SEEK_CUR) || die "unable to rewind $file";
+ syswrite(FD,pack("a8C*",$map{$Name},@opaque))==40 || die "syswrite failed: $!";
+ printf " %-8s -> %.8s\n",$Name,$map{$Name} unless $quiet;
+ }
+ }
+ close(FD);
+}