libressl: add c_rehash script from openssl to avoid the openssl dependency.

srcpkgs/libressl/files/c_rehash

@@ -0,0 +1,180 @@
+#!/usr/bin/perl
+
+
+# Perl c_rehash script, scan all files in a directory
+# and add symbolic links to their hash values.
+
+my $openssl;
+
+my $dir = "/etc/ssl";
+my $prefix = "/usr";
+
+if(defined $ENV{OPENSSL}) {
+	$openssl = $ENV{OPENSSL};
+} else {
+	$openssl = "openssl";
+	$ENV{OPENSSL} = $openssl;
+}
+
+my $pwd;
+eval "require Cwd";
+if (defined(&Cwd::getcwd)) {
+	$pwd=Cwd::getcwd();
+} else {
+	$pwd=`pwd`; chomp($pwd);
+}
+my $path_delim = ($pwd =~ /^[a-z]\:/i) ? ';' : ':'; # DOS/Win32 or Unix delimiter?
+
+$ENV{PATH} = "$prefix/bin" . ($ENV{PATH} ? $path_delim . $ENV{PATH} : ""); # prefix our path
+
+if(! -x $openssl) {
+	my $found = 0;
+	foreach (split /$path_delim/, $ENV{PATH}) {
+		if(-x "$_/$openssl") {
+			$found = 1;
+			$openssl = "$_/$openssl";
+			last;
+		}	
+	}
+	if($found == 0) {
+		print STDERR "c_rehash: rehashing skipped ('openssl' program not available)\n";
+		exit 0;
+	}
+}
+
+if(@ARGV) {
+	@dirlist = @ARGV;
+} elsif($ENV{SSL_CERT_DIR}) {
+	@dirlist = split /$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 $_) {
+		hash_dir($_);
+	}
+}
+
+sub hash_dir {
+	my %hashlist;
+	print "Doing $_[0]\n";
+	chdir $_[0];
+	opendir(DIR, ".");
+	my @flist = readdir(DIR);
+	# Delete any existing symbolic links
+	foreach (grep {/^[\da-f]+\.r{0,1}\d+$/} @flist) {
+		if(-l $_) {
+			unlink $_;
+		}
+	}
+	closedir DIR;
+	FILE: foreach $fname (grep {/\.pem$/} @flist) {
+		# Check to see if certificates and/or CRLs present.
+		my ($cert, $crl) = check_file($fname);
+		if(!$cert && !$crl) {
+			print STDERR "WARNING: $fname does not contain a certificate or CRL: skipping\n";
+			next;
+		}
+		link_hash_cert($fname) if($cert);
+		link_hash_crl($fname) if($crl);
+	}
+}
+
+sub check_file {
+	my ($is_cert, $is_crl) = (0,0);
+	my $fname = $_[0];
+	open IN, $fname;
+	while(<IN>) {
+		if(/^-----BEGIN (.*)-----/) {
+			my $hdr = $1;
+			if($hdr =~ /^(X509 |TRUSTED |)CERTIFICATE$/) {
+				$is_cert = 1;
+				last if($is_crl);
+			} elsif($hdr eq "X509 CRL") {
+				$is_crl = 1;
+				last if($is_cert);
+			}
+		}
+	}
+	close IN;
+	return ($is_cert, $is_crl);
+}
+
+
+# Link a certificate to its subject name hash value, each hash is of
+# the form <hash>.<n> where n is an integer. If the hash value already exists
+# then we need to up the value of n, unless its a duplicate in which
+# case we skip the link. We check for duplicates by comparing the
+# certificate fingerprints
+
+sub link_hash_cert {
+		my $fname = $_[0];
+		$fname =~ s/'/'\\''/g;
+		my ($hash, $fprint) = `"$openssl" x509 -hash -fingerprint -noout -in "$fname"`;
+		chomp $hash;
+		chomp $fprint;
+		$fprint =~ s/^.*=//;
+		$fprint =~ tr/://d;
+		my $suffix = 0;
+		# Search for an unused hash filename
+		while(exists $hashlist{"$hash.$suffix"}) {
+			# Hash matches: if fingerprint matches its a duplicate cert
+			if($hashlist{"$hash.$suffix"} eq $fprint) {
+				print STDERR "WARNING: Skipping duplicate certificate $fname\n";
+				return;
+			}
+			$suffix++;
+		}
+		$hash .= ".$suffix";
+		print "$fname => $hash\n";
+		$symlink_exists=eval {symlink("",""); 1};
+		if ($symlink_exists) {
+			symlink $fname, $hash;
+		} else {
+			open IN,"<$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;
+}
+
+# Same as above except for a CRL. CRL links are of the form <hash>.r<n>
+
+sub link_hash_crl {
+		my $fname = $_[0];
+		$fname =~ s/'/'\\''/g;
+		my ($hash, $fprint) = `"$openssl" crl -hash -fingerprint -noout -in '$fname'`;
+		chomp $hash;
+		chomp $fprint;
+		$fprint =~ s/^.*=//;
+		$fprint =~ tr/://d;
+		my $suffix = 0;
+		# Search for an unused hash filename
+		while(exists $hashlist{"$hash.r$suffix"}) {
+			# Hash matches: if fingerprint matches its a duplicate cert
+			if($hashlist{"$hash.r$suffix"} eq $fprint) {
+				print STDERR "WARNING: Skipping duplicate CRL $fname\n";
+				return;
+			}
+			$suffix++;
+		}
+		$hash .= ".r$suffix";
+		print "$fname => $hash\n";
+		$symlink_exists=eval {symlink("",""); 1};
+		if ($symlink_exists) {
+			symlink $fname, $hash;
+		} else {
+			system ("cp", $fname, $hash);
+		}
+		$hashlist{$hash} = $fprint;
+}
+

srcpkgs/libressl/template

@@ -1,7 +1,7 @@
 # Template file for 'libressl'
 pkgname=libressl
 version=2.0.3
-revision=1
+revision=2
 bootstrap=yes
 build_style=gnu-configure
 short_desc="FREE version of the SSL/TLS protocol forked from OpenSSL"
@@ -30,13 +30,16 @@ libressl-devel_package() {
 }
 
 libressl-openssl_package() {
-	short_desc+=" - openssl utility"
+	short_desc+=" - utilities"
-	provides="openssl-${version}_${revision}"
+	# required by c_rehash
-	replaces="libressl<2.0.1_2 openssl>=0"
+	depends="perl"
+	provides="openssl-${version}_${revision} openssl-crehash-${version}_${revision}"
+	replaces="libressl<2.0.1_2 openssl>=0 openssl-crehash>=0"
 	conf_files="/etc/ssl/openssl.cnf"
 	pkg_install() {
 		vinstall ${FILESDIR}/openssl.cnf 644 etc/ssl
 		vmove usr/bin
 		vmove usr/share/man/man1
+		vbin ${FILESDIR}/c_rehash
 	}
 }