176 lines
4.4 KiB
Ragel
176 lines
4.4 KiB
Ragel
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tsip_parser_uri.c
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* @brief SIP/SIPS/TEL URI parser.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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*/
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#include "tinysip/parsers/tsip_parser_uri.h"
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#include "tsk_string.h"
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#include "tsk_memory.h"
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#include "tsk_debug.h"
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/***********************************
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* Ragel state machine.
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*/
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%%{
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machine tsip_machine_parser_uri;
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# Includes
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include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
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#include tsip_machine_userinfo;
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action tag{
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tag_start = p;
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}
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#/* Sets URI type */
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action is_sip { uri->scheme = tsk_strdup("sip"), uri->type = uri_sip; }
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action is_sips { uri->scheme = tsk_strdup("sips"), uri->type = uri_sips; }
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action is_tel { uri->scheme = tsk_strdup("tel"), uri->type = uri_tel; }
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#/* Sets HOST type */
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action is_ipv4 { uri->host_type = host_ipv4; }
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action is_ipv6 { uri->host_type = host_ipv6; }
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action is_hostname { uri->host_type = host_hostname; }
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action parse_scheme{
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TSK_PARSER_SET_STRING(uri->scheme);
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}
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action parse_user_name{
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TSK_PARSER_SET_STRING(uri->user_name);
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}
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action parse_password{
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TSK_PARSER_SET_STRING(uri->password);
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}
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action parse_host{
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TSK_PARSER_SET_STRING(uri->host);
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}
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action parse_port{
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TSK_PARSER_SET_INTEGER(uri->port);
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}
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action parse_param{
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TSK_PARSER_ADD_PARAM(uri->params);
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}
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action eob{
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}
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my_uri_parameter = (pname ( "=" pvalue )?) >tag %parse_param;
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uri_parameters = ( ";" my_uri_parameter )*;
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sip_usrinfo := ( ( user>tag %parse_user_name ) :> ( ':' password>tag %parse_password )? :>> '@' ) @{ fgoto main; };
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main := |*
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("sip:"i>tag %is_sip | "sips:"i>tag %is_sips) @100
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{
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if(tsk_strcontains(te, (pe - te), "@")){
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fgoto sip_usrinfo;
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}
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};
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("tel:"i %is_tel (any+)>tag %parse_user_name :> uri_parameters) @100 { };
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( (IPv6reference >is_ipv6)@89 | (IPv4address >is_ipv4)@88 | (hostname >is_hostname)@87 ) @90
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{
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TSK_SCANNER_SET_STRING(uri->host);
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if(uri->host_type == host_ipv6){
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tsk_strunquote_2(&uri->host, '[', ']');
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}
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};
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(":" port)@80
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{
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ts++;
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TSK_SCANNER_SET_INTEGER(uri->port);
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};
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( uri_parameters ) @70 { };
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(any)+ @0 { };
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*|;
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#main := ({ fcall SIP_URI; });
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}%%
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// @ingroup tsip_uri_group
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///
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/// Creates SIP/SIPS/TEL URI from string buffer.
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///
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///
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/// @param data Pointer to a string buffer from which to create the URI object.
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/// @param size The size of the string buffer.
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///
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/// @retval @ref tsip_uri_t* object if succeed and Null otherwise.
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///
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/// @code
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/// tsip_uri_t* uri;
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/// if((uri = tsip_uri_parse("sip:bob@open-ims.test", strlen("sip:bob@open-ims.test")))){
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/// printf("success");
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/// }
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/// else{
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/// printf("error");
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/// }
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/// TSK_OBJECT_SAFE_FREE(uri);
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/// @endcode
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///
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/// @sa @ref tsip_uri_create()
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////////////////////////////////////////////////////////////////////////////////////////////////////
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tsip_uri_t *tsip_uri_parse(const char *data, tsk_size_t size)
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{
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int cs = 0;
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const char *p = data;
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const char *pe = p + size;
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const char *eof = pe;
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const char *ts = tsk_null, *te = tsk_null;
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int act = 0;
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tsip_uri_t *uri = tsip_uri_create(uri_unknown);
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const char *tag_start = tsk_null;
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%%write data;
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%%write init;
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%%write exec;
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if( cs < %%{ write first_final; }%% ){
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TSK_DEBUG_ERROR("Failed to parse SIP/SIPS/TEL URI.");
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TSK_OBJECT_SAFE_FREE(uri);
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}
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return uri;
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}
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