1 files changed, 80 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/charmap.pl b/openssl/crypto/asn1/charmap.pl
new file mode 100644
index 000000000..2875c5986
--- /dev/null
+++ b/openssl/crypto/asn1/charmap.pl
@@ -0,0 +1,80 @@
+#!/usr/local/bin/perl -w
+
+use strict;
+
+my ($i, @arr);
+
+# Set up an array with the type of ASCII characters
+# Each set bit represents a character property.
+
+# RFC2253 character properties
+my $RFC2253_ESC = 1;	# Character escaped with \
+my $ESC_CTRL	= 2;	# Escaped control character
+# These are used with RFC1779 quoting using "
+my $NOESC_QUOTE	= 8;	# Not escaped if quoted
+my $PSTRING_CHAR = 0x10;	# Valid PrintableString character
+my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
+my $RFC2253_LAST_ESC = 0x40;  # Escaped with \ if last character
+
+for($i = 0; $i < 128; $i++) {
+	# Set the RFC2253 escape characters (control)
+	$arr[$i] = 0;
+	if(($i < 32) || ($i > 126)) {
+		$arr[$i] |= $ESC_CTRL;
+	}
+
+	# Some PrintableString characters
+	if(		   ( ( $i >= ord("a")) && ( $i <= ord("z")) )
+			|| (  ( $i >= ord("A")) && ( $i <= ord("Z")) )
+			|| (  ( $i >= ord("0")) && ( $i <= ord("9")) )  ) {
+		$arr[$i] |= $PSTRING_CHAR;
+	}
+}
+
+# Now setup the rest
+
+# Remaining RFC2253 escaped characters
+
+$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
+$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
+
+$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
+$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
+$arr[ord("\"")] |= $RFC2253_ESC;
+$arr[ord("\\")] |= $RFC2253_ESC;
+$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
+$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
+$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
+
+# Remaining PrintableString characters
+
+$arr[ord(" ")] |= $PSTRING_CHAR;
+$arr[ord("'")] |= $PSTRING_CHAR;
+$arr[ord("(")] |= $PSTRING_CHAR;
+$arr[ord(")")] |= $PSTRING_CHAR;
+$arr[ord("+")] |= $PSTRING_CHAR;
+$arr[ord(",")] |= $PSTRING_CHAR;
+$arr[ord("-")] |= $PSTRING_CHAR;
+$arr[ord(".")] |= $PSTRING_CHAR;
+$arr[ord("/")] |= $PSTRING_CHAR;
+$arr[ord(":")] |= $PSTRING_CHAR;
+$arr[ord("=")] |= $PSTRING_CHAR;
+$arr[ord("?")] |= $PSTRING_CHAR;
+
+# Now generate the C code
+
+print <<EOF;
+/* Auto generated with chartype.pl script.
+ * Mask of various character properties
+ */
+
+static unsigned char char_type[] = {
+EOF
+
+for($i = 0; $i < 128; $i++) {
+	print("\n") if($i && (($i % 16) == 0));
+	printf("%2d", $arr[$i]);
+	print(",") if ($i != 127);
+}
+print("\n};\n\n");
+