315 lines
7.7 KiB
Ragel
315 lines
7.7 KiB
Ragel
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
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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_header_Security_Client.c
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* @brief SIP Security-Client header as per RFC 3329.
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*
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* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinysip/headers/tsip_header_Security_Client.h"
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#include "tinysip/parsers/tsip_parser_uri.h"
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#include "tsk_debug.h"
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#include "tsk_memory.h"
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#include "tsk_time.h"
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#include <string.h>
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/**@defgroup tsip_header_Security_Client_group SIP Security_Client header.
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*/
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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_header_Security_Client;
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# Includes
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include tsip_machine_utils "./tsip_machine_utils.rl";
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action tag
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{
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tag_start = p;
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}
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action create_securityclient
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{
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if(!curr_securityclient)
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{
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curr_securityclient = TSIP_HEADER_SECURITY_CLIENT_CREATE_NULL();
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}
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}
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action add_securityclient
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{
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if(curr_securityclient)
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{
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tsk_list_push_back_data(hdr_securityclients, ((void**) &curr_securityclient));
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}
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}
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action parse_mech
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_STRING(curr_securityclient->mech);
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}
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}
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action parse_port_s
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_INT(curr_securityclient->port_s);
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}
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}
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action parse_port_c
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_INT(curr_securityclient->port_c);
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}
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}
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action parse_spi_s
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_UINT(curr_securityclient->spi_s);
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}
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}
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action parse_spi_c
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_UINT(curr_securityclient->spi_c);
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}
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}
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action parse_ealg
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_STRING(curr_securityclient->ealg);
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}
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}
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action parse_alg
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_STRING(curr_securityclient->alg);
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}
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}
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action parse_prot
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_STRING(curr_securityclient->prot);
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}
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}
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action parse_preference
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{
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if(curr_securityclient)
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{
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TSK_PARSER_SET_DOUBLE(curr_securityclient->q);
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}
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}
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action parse_param
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{
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if(curr_securityclient)
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{
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TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(curr_securityclient));
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}
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}
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action eob
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{
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}
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mech_extension = generic_param>tag %parse_param;
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port_s = "port-s"i EQUAL DIGIT+>tag %parse_port_s;
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port_c = "port-c"i EQUAL DIGIT+>tag %parse_port_c;
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spi_s = "spi-s"i EQUAL DIGIT+>tag %parse_spi_s;
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spi_c = "spi-c"i EQUAL DIGIT+>tag %parse_spi_c;
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ealg = "ealg"i EQUAL token>tag %parse_ealg;
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alg = "alg"i EQUAL token>tag %parse_alg;
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prot = "prot"i EQUAL token>tag %parse_prot;
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preference = "q"i EQUAL qvalue>tag %parse_preference;
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mech_parameters = (preference |prot | alg | ealg | spi_c | spi_s | port_c | port_s) @1 | mech_extension @0;
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mechanism_name = token>tag %parse_mech;
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sec_mechanism = (mechanism_name ( SEMI mech_parameters )*) >create_securityclient %add_securityclient;
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Security_Client = "Security-Client"i HCOLON sec_mechanism ( COMMA sec_mechanism )*;
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# Entry point
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main := Security_Client :>CRLF @eob;
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}%%
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int tsip_header_Security_Client_tostring(const void* header, tsk_buffer_t* output)
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{
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if(header)
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{
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const tsip_header_Security_Client_t *Security_Client = header;
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int ret = 0;
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// ipsec-3gpp; alg=hmac-md5-96; ealg=des-ede3-cbc; spi-c=1111; spi-s=2222; port-c=5062; port-s=5064
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if(tsk_striequals(Security_Client->mech, "ipsec-3gpp"))
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{
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tsk_buffer_appendEx(output, "%s%s%s%s%s%s%s;spi-c=%u;spi-s=%u;port-c=%u;port-s=%u",
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Security_Client->mech,
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Security_Client->alg ? ";alg=" : "",
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Security_Client->alg ? Security_Client->alg : "",
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Security_Client->ealg ? ";ealg=" : "",
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Security_Client->ealg ? Security_Client->ealg : "",
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Security_Client->prot ? ";prot=" : "",
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Security_Client->prot ? Security_Client->prot : "",
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Security_Client->spi_c,
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Security_Client->spi_s,
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Security_Client->port_c,
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Security_Client->port_s
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);
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}
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else if(Security_Client->mech){
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tsk_buffer_append(output, Security_Client->mech, strlen(Security_Client->mech));
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}
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if(Security_Client->q >= 0){
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/* qvalue = ("0" [ "." 0*3DIGIT ] ) / ( "1" [ "." 0*3("0") ] ) */
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tsk_buffer_appendEx(output, ";q=%1.3f", Security_Client->q);
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}
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return ret;
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}
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return -1;
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}
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tsip_header_Security_Clients_L_t *tsip_header_Security_Client_parse(const char *data, 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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tsip_header_Security_Clients_L_t *hdr_securityclients = TSK_LIST_CREATE();
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const char *tag_start;
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tsip_header_Security_Client_t *curr_securityclient = 0;
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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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{
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TSK_OBJECT_SAFE_FREE(curr_securityclient);
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TSK_OBJECT_SAFE_FREE(hdr_securityclients);
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}
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return hdr_securityclients;
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}
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//========================================================
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// Security_Client header object definition
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//
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static void* tsip_header_Security_Client_create(void *self, va_list * app)
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{
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tsip_header_Security_Client_t *Security_Client = self;
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if(Security_Client)
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{
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const char* mech = va_arg(*app, const char*);
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TSIP_HEADER(Security_Client)->type = tsip_htype_Security_Client;
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TSIP_HEADER(Security_Client)->tostring = tsip_header_Security_Client_tostring;
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Security_Client->q = -1;
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if(mech){
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Security_Client->mech = tsk_strdup(mech);
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Security_Client->alg = tsk_strdup(va_arg(*app, const char*));
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Security_Client->prot = tsk_strdup(va_arg(*app, const char*));
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Security_Client->mod = tsk_strdup(va_arg(*app, const char*));
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Security_Client->ealg = tsk_strdup(va_arg(*app, const char*));
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#if defined(__GNUC__)
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Security_Client->port_c = (tnet_port_t)va_arg(*app, unsigned);
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Security_Client->port_s = (tnet_port_t)va_arg(*app, unsigned);
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#else
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Security_Client->port_c = va_arg(*app, tnet_port_t);
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Security_Client->port_s = va_arg(*app, tnet_port_t);
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#endif
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Security_Client->spi_c = va_arg(*app, uint32_t);
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Security_Client->spi_s = va_arg(*app, uint32_t);
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}
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}
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else
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{
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TSK_DEBUG_ERROR("Failed to create new Security_Client header.");
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}
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return self;
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}
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static void* tsip_header_Security_Client_destroy(void *self)
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{
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tsip_header_Security_Client_t *Security_Client = self;
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if(Security_Client)
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{
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TSK_FREE(Security_Client->mech);
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TSK_FREE(Security_Client->alg);
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TSK_FREE(Security_Client->prot);
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TSK_FREE(Security_Client->mod);
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TSK_FREE(Security_Client->ealg);
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TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Security_Client));
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}
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else TSK_DEBUG_ERROR("Null Security_Client header.");
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return self;
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}
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static const tsk_object_def_t tsip_header_Security_Client_def_s =
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{
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sizeof(tsip_header_Security_Client_t),
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tsip_header_Security_Client_create,
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tsip_header_Security_Client_destroy,
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0
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};
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const void *tsip_header_Security_Client_def_t = &tsip_header_Security_Client_def_s;
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