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author | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
commit | c9aad1ae6227c434d480d1d3aa8eae3c3c910c18 (patch) | |
tree | 94b917df998c3d547e191b3b9c58bbffc616470e /openssl/crypto/asn1/a_utf8.c | |
parent | f1c2db43dcf35d2cf4715390bd2391c28e42a8c2 (diff) | |
download | vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.gz vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.bz2 vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.zip |
Upgraded to openssl-1.0.2
Diffstat (limited to 'openssl/crypto/asn1/a_utf8.c')
-rw-r--r-- | openssl/crypto/asn1/a_utf8.c | 294 |
1 files changed, 160 insertions, 134 deletions
diff --git a/openssl/crypto/asn1/a_utf8.c b/openssl/crypto/asn1/a_utf8.c index 508e11e52..23dc2e828 100644 --- a/openssl/crypto/asn1/a_utf8.c +++ b/openssl/crypto/asn1/a_utf8.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -60,10 +60,10 @@ #include "cryptlib.h" #include <openssl/asn1.h> - /* UTF8 utilities */ -/* This parses a UTF8 string one character at a time. It is passed a pointer +/*- + * 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: @@ -75,137 +75,163 @@ 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; + 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; + /* 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. +/* + * 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; + 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; } |