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Diffstat (limited to 'openssl/crypto/asn1/a_utf8.c')
| -rw-r--r-- | openssl/crypto/asn1/a_utf8.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/openssl/crypto/asn1/a_utf8.c b/openssl/crypto/asn1/a_utf8.c deleted file mode 100644 index 508e11e5..00000000 --- a/openssl/crypto/asn1/a_utf8.c +++ /dev/null @@ -1,211 +0,0 @@ -/* crypto/asn1/a_utf8.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * 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 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 cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include <stdio.h> -#include "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; -} |