From 886e5076c8e81fd0cdfe82dbf4a80d19e778d594 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 6 Aug 2014 18:24:22 +0200 Subject: Imported Upstream version 0.8.0.1 --- src/UriIp4.c | 329 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 329 insertions(+) create mode 100644 src/UriIp4.c (limited to 'src/UriIp4.c') diff --git a/src/UriIp4.c b/src/UriIp4.c new file mode 100644 index 0000000..c00910b --- /dev/null +++ b/src/UriIp4.c @@ -0,0 +1,329 @@ +/* + * uriparser - RFC 3986 URI parsing library + * + * Copyright (C) 2007, Weijia Song + * Copyright (C) 2007, Sebastian Pipping + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * * 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. + * + * * Neither the name of the 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ + +/** + * @file UriIp4.c + * Holds the IPv4 parser implementation. + * NOTE: This source file includes itself twice. + */ + +/* What encodings are enabled? */ +#include +#if (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE)) +/* Include SELF twice */ +# ifdef URI_ENABLE_ANSI +# define URI_PASS_ANSI 1 +# include "UriIp4.c" +# undef URI_PASS_ANSI +# endif +# ifdef URI_ENABLE_UNICODE +# define URI_PASS_UNICODE 1 +# include "UriIp4.c" +# undef URI_PASS_UNICODE +# endif +#else +# ifdef URI_PASS_ANSI +# include +# else +# include +# endif + + + +#ifndef URI_DOXYGEN +# include +# include "UriIp4Base.h" +# include +#endif + + + +/* Prototypes */ +static const URI_CHAR * URI_FUNC(ParseDecOctet)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast); +static const URI_CHAR * URI_FUNC(ParseDecOctetOne)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast); +static const URI_CHAR * URI_FUNC(ParseDecOctetTwo)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast); +static const URI_CHAR * URI_FUNC(ParseDecOctetThree)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast); +static const URI_CHAR * URI_FUNC(ParseDecOctetFour)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast); + + + +/* + * [ipFourAddress]->[decOctet]<.>[decOctet]<.>[decOctet]<.>[decOctet] + */ +int URI_FUNC(ParseIpFourAddress)(unsigned char * octetOutput, + const URI_CHAR * first, const URI_CHAR * afterLast) { + const URI_CHAR * after; + UriIp4Parser parser; + + /* Essential checks */ + if ((octetOutput == NULL) || (first == NULL) + || (afterLast <= first)) { + return URI_ERROR_SYNTAX; + } + + /* Reset parser */ + parser.stackCount = 0; + + /* Octet #1 */ + after = URI_FUNC(ParseDecOctet)(&parser, first, afterLast); + if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) { + return URI_ERROR_SYNTAX; + } + uriStackToOctet(&parser, octetOutput); + + /* Octet #2 */ + after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast); + if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) { + return URI_ERROR_SYNTAX; + } + uriStackToOctet(&parser, octetOutput + 1); + + /* Octet #3 */ + after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast); + if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) { + return URI_ERROR_SYNTAX; + } + uriStackToOctet(&parser, octetOutput + 2); + + /* Octet #4 */ + after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast); + if (after != afterLast) { + return URI_ERROR_SYNTAX; + } + uriStackToOctet(&parser, octetOutput + 3); + + return URI_SUCCESS; +} + + + +/* + * [decOctet]-><0> + * [decOctet]-><1>[decOctetOne] + * [decOctet]-><2>[decOctetTwo] + * [decOctet]-><3>[decOctetThree] + * [decOctet]-><4>[decOctetThree] + * [decOctet]-><5>[decOctetThree] + * [decOctet]-><6>[decOctetThree] + * [decOctet]-><7>[decOctetThree] + * [decOctet]-><8>[decOctetThree] + * [decOctet]-><9>[decOctetThree] + */ +static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctet)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast) { + if (first >= afterLast) { + return NULL; + } + + switch (*first) { + case _UT('0'): + uriPushToStack(parser, 0); + return first + 1; + + case _UT('1'): + uriPushToStack(parser, 1); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetOne)(parser, first + 1, afterLast); + + case _UT('2'): + uriPushToStack(parser, 2); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetTwo)(parser, first + 1, afterLast); + + case _UT('3'): + case _UT('4'): + case _UT('5'): + case _UT('6'): + case _UT('7'): + case _UT('8'): + case _UT('9'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast); + + default: + return NULL; + } +} + + + +/* + * [decOctetOne]-> + * [decOctetOne]->[DIGIT][decOctetThree] + */ +static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetOne)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast) { + if (first >= afterLast) { + return afterLast; + } + + switch (*first) { + case _UT('0'): + case _UT('1'): + case _UT('2'): + case _UT('3'): + case _UT('4'): + case _UT('5'): + case _UT('6'): + case _UT('7'): + case _UT('8'): + case _UT('9'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast); + + default: + return first; + } +} + + + +/* + * [decOctetTwo]-> + * [decOctetTwo]-><0>[decOctetThree] + * [decOctetTwo]-><1>[decOctetThree] + * [decOctetTwo]-><2>[decOctetThree] + * [decOctetTwo]-><3>[decOctetThree] + * [decOctetTwo]-><4>[decOctetThree] + * [decOctetTwo]-><5>[decOctetFour] + * [decOctetTwo]-><6> + * [decOctetTwo]-><7> + * [decOctetTwo]-><8> + * [decOctetTwo]-><9> +*/ +static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetTwo)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast) { + if (first >= afterLast) { + return afterLast; + } + + switch (*first) { + case _UT('0'): + case _UT('1'): + case _UT('2'): + case _UT('3'): + case _UT('4'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast); + + case _UT('5'): + uriPushToStack(parser, 5); + return (const URI_CHAR *)URI_FUNC(ParseDecOctetFour)(parser, first + 1, afterLast); + + case _UT('6'): + case _UT('7'): + case _UT('8'): + case _UT('9'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return first + 1; + + default: + return first; + } +} + + + +/* + * [decOctetThree]-> + * [decOctetThree]->[DIGIT] + */ +static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetThree)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast) { + if (first >= afterLast) { + return afterLast; + } + + switch (*first) { + case _UT('0'): + case _UT('1'): + case _UT('2'): + case _UT('3'): + case _UT('4'): + case _UT('5'): + case _UT('6'): + case _UT('7'): + case _UT('8'): + case _UT('9'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return first + 1; + + default: + return first; + } +} + + + +/* + * [decOctetFour]-> + * [decOctetFour]-><0> + * [decOctetFour]-><1> + * [decOctetFour]-><2> + * [decOctetFour]-><3> + * [decOctetFour]-><4> + * [decOctetFour]-><5> + */ +static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetFour)(UriIp4Parser * parser, + const URI_CHAR * first, const URI_CHAR * afterLast) { + if (first >= afterLast) { + return afterLast; + } + + switch (*first) { + case _UT('0'): + case _UT('1'): + case _UT('2'): + case _UT('3'): + case _UT('4'): + case _UT('5'): + uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9'))); + return first + 1; + + default: + return first; + } +} + + + +#endif -- cgit v1.2.3