Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/asn1/a_utf8.c

@@ -0,0 +1,188 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1.h>
+
+/* UTF8 utilities */
+
+/*-
+ * This parses a UTF8 string one character at a time. It is passed a pointer
+ * to the string and the length of the string. It sets 'value' to the value of
+ * the current character. It returns the number of characters read or a
+ * negative error code:
+ * -1 = string too short
+ * -2 = illegal character
+ * -3 = subsequent characters not of the form 10xxxxxx
+ * -4 = character encoded incorrectly (not minimal length).
+ */
+
+int UTF8_getc(const unsigned char *str, int len, unsigned long *val)
+{
+    const unsigned char *p;
+    unsigned long value;
+    int ret;
+    if (len <= 0)
+        return 0;
+    p = str;
+
+    /* Check syntax and work out the encoded value (if correct) */
+    if ((*p & 0x80) == 0) {
+        value = *p++ & 0x7f;
+        ret = 1;
+    } else if ((*p & 0xe0) == 0xc0) {
+        if (len < 2)
+            return -1;
+        if ((p[1] & 0xc0) != 0x80)
+            return -3;
+        value = (*p++ & 0x1f) << 6;
+        value |= *p++ & 0x3f;
+        if (value < 0x80)
+            return -4;
+        ret = 2;
+    } else if ((*p & 0xf0) == 0xe0) {
+        if (len < 3)
+            return -1;
+        if (((p[1] & 0xc0) != 0x80)
+            || ((p[2] & 0xc0) != 0x80))
+            return -3;
+        value = (*p++ & 0xf) << 12;
+        value |= (*p++ & 0x3f) << 6;
+        value |= *p++ & 0x3f;
+        if (value < 0x800)
+            return -4;
+        ret = 3;
+    } else if ((*p & 0xf8) == 0xf0) {
+        if (len < 4)
+            return -1;
+        if (((p[1] & 0xc0) != 0x80)
+            || ((p[2] & 0xc0) != 0x80)
+            || ((p[3] & 0xc0) != 0x80))
+            return -3;
+        value = ((unsigned long)(*p++ & 0x7)) << 18;
+        value |= (*p++ & 0x3f) << 12;
+        value |= (*p++ & 0x3f) << 6;
+        value |= *p++ & 0x3f;
+        if (value < 0x10000)
+            return -4;
+        ret = 4;
+    } else if ((*p & 0xfc) == 0xf8) {
+        if (len < 5)
+            return -1;
+        if (((p[1] & 0xc0) != 0x80)
+            || ((p[2] & 0xc0) != 0x80)
+            || ((p[3] & 0xc0) != 0x80)
+            || ((p[4] & 0xc0) != 0x80))
+            return -3;
+        value = ((unsigned long)(*p++ & 0x3)) << 24;
+        value |= ((unsigned long)(*p++ & 0x3f)) << 18;
+        value |= ((unsigned long)(*p++ & 0x3f)) << 12;
+        value |= (*p++ & 0x3f) << 6;
+        value |= *p++ & 0x3f;
+        if (value < 0x200000)
+            return -4;
+        ret = 5;
+    } else if ((*p & 0xfe) == 0xfc) {
+        if (len < 6)
+            return -1;
+        if (((p[1] & 0xc0) != 0x80)
+            || ((p[2] & 0xc0) != 0x80)
+            || ((p[3] & 0xc0) != 0x80)
+            || ((p[4] & 0xc0) != 0x80)
+            || ((p[5] & 0xc0) != 0x80))
+            return -3;
+        value = ((unsigned long)(*p++ & 0x1)) << 30;
+        value |= ((unsigned long)(*p++ & 0x3f)) << 24;
+        value |= ((unsigned long)(*p++ & 0x3f)) << 18;
+        value |= ((unsigned long)(*p++ & 0x3f)) << 12;
+        value |= (*p++ & 0x3f) << 6;
+        value |= *p++ & 0x3f;
+        if (value < 0x4000000)
+            return -4;
+        ret = 6;
+    } else
+        return -2;
+    *val = value;
+    return ret;
+}
+
+/*
+ * This takes a character 'value' and writes the UTF8 encoded value in 'str'
+ * where 'str' is a buffer containing 'len' characters. Returns the number of
+ * characters written or -1 if 'len' is too small. 'str' can be set to NULL
+ * in which case it just returns the number of characters. It will need at
+ * most 6 characters.
+ */
+
+int UTF8_putc(unsigned char *str, int len, unsigned long value)
+{
+    if (!str)
+        len = 6;                /* Maximum we will need */
+    else if (len <= 0)
+        return -1;
+    if (value < 0x80) {
+        if (str)
+            *str = (unsigned char)value;
+        return 1;
+    }
+    if (value < 0x800) {
+        if (len < 2)
+            return -1;
+        if (str) {
+            *str++ = (unsigned char)(((value >> 6) & 0x1f) | 0xc0);
+            *str = (unsigned char)((value & 0x3f) | 0x80);
+        }
+        return 2;
+    }
+    if (value < 0x10000) {
+        if (len < 3)
+            return -1;
+        if (str) {
+            *str++ = (unsigned char)(((value >> 12) & 0xf) | 0xe0);
+            *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);
+            *str = (unsigned char)((value & 0x3f) | 0x80);
+        }
+        return 3;
+    }
+    if (value < 0x200000) {
+        if (len < 4)
+            return -1;
+        if (str) {
+            *str++ = (unsigned char)(((value >> 18) & 0x7) | 0xf0);
+            *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);
+            *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);
+            *str = (unsigned char)((value & 0x3f) | 0x80);
+        }
+        return 4;
+    }
+    if (value < 0x4000000) {
+        if (len < 5)
+            return -1;
+        if (str) {
+            *str++ = (unsigned char)(((value >> 24) & 0x3) | 0xf8);
+            *str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80);
+            *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);
+            *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);
+            *str = (unsigned char)((value & 0x3f) | 0x80);
+        }
+        return 5;
+    }
+    if (len < 6)
+        return -1;
+    if (str) {
+        *str++ = (unsigned char)(((value >> 30) & 0x1) | 0xfc);
+        *str++ = (unsigned char)(((value >> 24) & 0x3f) | 0x80);
+        *str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80);
+        *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);
+        *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);
+        *str = (unsigned char)((value & 0x3f) | 0x80);
+    }
+    return 6;
+}