Initial commit: HenLoader 12.52 with auto-executing Poops exploit

thirdparty/makefs/udf/unicode.h

@@ -0,0 +1,161 @@
+/* $NetBSD: unicode.h,v 1.1 2013/08/05 14:11:30 reinoud Exp $ */
+
+/*-
+ * Copyright (c) 2001, 2004 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*-
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Paul Borman at Krystal Technologies.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Routines for handling Unicode encoded in UTF-8 form, code derived from
+ * src/lib/libc/locale/utf2.c.
+ */
+static u_int16_t wget_utf8(const char **, size_t *);
+static int wput_utf8(char *, size_t, u_int16_t);
+
+/*
+ * Read one UTF8-encoded character off the string, shift the string pointer
+ * and return the character.
+ */
+static u_int16_t
+wget_utf8(const char **str, size_t *sz)
+{
+	unsigned int c;
+	u_int16_t rune = 0;
+	const char *s = *str;
+	static const int _utf_count[16] = {
+		1, 1, 1, 1, 1, 1, 1, 1,
+		0, 0, 0, 0, 2, 2, 3, 0,
+	};
+
+	/* must be called with at least one byte remaining */
+	assert(*sz > 0);
+
+	c = _utf_count[(s[0] & 0xf0) >> 4];
+	if (c == 0 || c > *sz) {
+    decoding_error:
+		/*
+		 * The first character is in range 128-255 and doesn't
+		 * mark valid a valid UTF-8 sequence. There is not much
+		 * we can do with this, so handle by returning
+		 * the first character as if it would be a correctly
+		 * encoded ISO-8859-1 character.
+		 */
+		c = 1;
+	}
+
+	switch (c) {
+	case 1:
+		rune = s[0] & 0xff;
+		break;
+	case 2:
+		if ((s[1] & 0xc0) != 0x80)
+			goto decoding_error;
+		rune = ((s[0] & 0x1F) << 6) | (s[1] & 0x3F);
+		break;
+	case 3:
+		if ((s[1] & 0xC0) != 0x80 || (s[2] & 0xC0) != 0x80)
+			goto decoding_error;
+		rune = ((s[0] & 0x0F) << 12) | ((s[1] & 0x3F) << 6)
+		    | (s[2] & 0x3F);
+		break;
+	}
+
+	*str += c;
+	*sz -= c;
+	return rune;
+}
+
+/*
+ * Encode wide character and write it to the string. 'n' specifies
+ * how much buffer space remains in 's'. Returns number of bytes written
+ * to the target string 's'.
+ */
+static int
+wput_utf8(char *s, size_t n, u_int16_t wc)
+{
+	if (wc & 0xf800) {
+		if (n < 3) {
+			/* bound check failure */
+			return 0;
+		}
+
+		s[0] = 0xE0 | (wc >> 12);
+		s[1] = 0x80 | ((wc >> 6) & 0x3F);
+		s[2] = 0x80 | ((wc) & 0x3F);
+		return 3;
+	} else if (wc & 0x0780) {
+		if (n < 2) {
+			/* bound check failure */
+			return 0;
+		}
+
+		s[0] = 0xC0 | (wc >> 6);
+		s[1] = 0x80 | ((wc) & 0x3F);
+		return 2;
+	} else {
+		if (n < 1) {
+			/* bound check failure */
+			return 0;
+		}
+
+		s[0] = wc;
+		return 1;
+	}
+}