Make c_rehash more platform neutral and make it work in mixed environment,

such as MSYS with "native" Win32 perl.

Makefile.org

@@ -388,6 +388,7 @@ rehash: rehash.time
 rehash.time: certs apps
 	@if [ -z "$(CROSS_COMPILE_PREFIX)" ]; then \
 		(OPENSSL="`pwd`/util/opensslwrap.sh"; \
+		[ -x "apps/openssl.exe" ] && OPENSSL="apps/openssl.exe"; \
 		OPENSSL_DEBUG_MEMORY=on; \
 		export OPENSSL OPENSSL_DEBUG_MEMORY; \
 		$(PERL) tools/c_rehash certs) && \

tools/c_rehash.in

@@ -15,11 +15,14 @@ if(defined $ENV{OPENSSL}) {
 	$ENV{OPENSSL} = $openssl;
 }
 
-$ENV{PATH} .= ":$dir/bin";
+my $pwd = `pwd`; chomp $pwd;
+my $path_delim = ($pwd =~ /^[a-z]\:/i) ? ';' : ':'; # DOS/Win32 or Unix delimiter?
+
+$ENV{PATH} .= "$path_delim$dir/bin";
 
 if(! -x $openssl) {
 	my $found = 0;
-	foreach (split /:/, $ENV{PATH}) {
+	foreach (split /$path_delim/, $ENV{PATH}) {
 		if(-x "$_/$openssl") {
 			$found = 1;
 			last;
@@ -34,11 +37,16 @@ if(! -x $openssl) {
 if(@ARGV) {
 	@dirlist = @ARGV;
 } elsif($ENV{SSL_CERT_DIR}) {
-	@dirlist = split /:/, $ENV{SSL_CERT_DIR};
+	@dirlist = split /$path_delim/, $ENV{SSL_CERT_DIR};
 } else {
 	$dirlist[0] = "$dir/certs";
 }
 
+if (-d $dirlist[0]) {
+	chdir $dirlist[0];
+	$openssl="$pwd/$openssl" if (!-x $openssl);
+	chdir $pwd;
+}
 
 foreach (@dirlist) {
 	if(-d $_ and -w $_) {
@@ -101,7 +109,7 @@ sub check_file {
 sub link_hash_cert {
 		my $fname = $_[0];
 		$fname =~ s/'/'\\''/g;
-		my ($hash, $fprint) = `"$openssl" x509 -hash -fingerprint -noout -in '$fname'`;
+		my ($hash, $fprint) = `"$openssl" x509 -hash -fingerprint -noout -in "$fname"`;
 		chomp $hash;
 		chomp $fprint;
 		$fprint =~ s/^.*=//;
@@ -122,7 +130,11 @@ sub link_hash_cert {
 		if ($symlink_exists) {
 			symlink $fname, $hash;
 		} else {
-			system ("cp", $fname, $hash);
+			open IN,"<$fname" or die "can't open $fname for read";
+			open OUT,">$hash" or die "can't open $hash for write";
+			print OUT <IN>;	# does the job for small text files
+			close OUT;
+			close IN;
 		}
 		$hashlist{$hash} = $fprint;
 }