302 lines
8.2 KiB
Ragel
302 lines
8.2 KiB
Ragel
/*
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* Copyright (C) 2009 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 thttp_header_Authorization.c
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* @brief HTTP Authorization header.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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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 "tinyHTTP/headers/thttp_header_Authorization.h"
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#include "tinyHTTP/parsers/thttp_parser_url.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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/***********************************
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* Ragel state machine.
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*/
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%%{
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machine thttp_machine_parser_header_Authorization;
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# Includes
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include thttp_machine_utils "./ragel/thttp_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 is_digest
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{
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#//FIXME: Only Digest is supported
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hdr_Authorization->scheme = tsk_strdup("Digest");
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}
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action is_auth
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{
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THTTP_HEADER(hdr_Authorization)->type = thttp_htype_Authorization;
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}
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action is_proxy
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{
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THTTP_HEADER(hdr_Authorization)->type = thttp_htype_Proxy_Authorization;
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}
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action parse_username
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->username);
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tsk_strunquote(&hdr_Authorization->username);
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}
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action parse_realm
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->realm);
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tsk_strunquote(&hdr_Authorization->realm);
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}
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action parse_nonce
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->nonce);
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tsk_strunquote(&hdr_Authorization->nonce);
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}
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action parse_uri
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->uri);
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}
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action parse_response
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->response);
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tsk_strunquote(&hdr_Authorization->response);
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}
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action parse_algorithm
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->algorithm);
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}
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action parse_cnonce
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->cnonce);
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tsk_strunquote(&hdr_Authorization->cnonce);
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}
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action parse_opaque
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->opaque);
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tsk_strunquote(&hdr_Authorization->opaque);
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}
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action parse_qop
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->qop);
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//tsk_strunquote(&hdr_Authorization->qop);
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}
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action parse_nc
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{
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TSK_PARSER_SET_STRING(hdr_Authorization->nc);
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}
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action parse_param
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{
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TSK_PARSER_ADD_PARAM(THTTP_HEADER_PARAMS(hdr_Authorization));
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}
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action eob
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{
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}
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#FIXME: Only Digest (MD5, AKAv1-MD5 and AKAv2-MD5) is supported
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qop_value = "auth" | "auth-int" | token;
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other_response = (any+);
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auth_param = generic_param>tag %parse_param;
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username = "username"i EQUAL quoted_string>tag %parse_username;
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realm = "realm"i EQUAL quoted_string>tag %parse_realm;
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nonce = "nonce"i EQUAL quoted_string>tag %parse_nonce;
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digest_uri = "uri"i EQUAL LDQUOT <: (any*)>tag %parse_uri :> RDQUOT;
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#dresponse = "response"i EQUAL LDQUOT <: (LHEX{32})>tag %parse_response :> RDQUOT;
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dresponse = "response"i EQUAL quoted_string>tag %parse_response;
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algorithm = "algorithm"i EQUAL <:token>tag %parse_algorithm;
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cnonce = "cnonce"i EQUAL quoted_string>tag %parse_cnonce;
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opaque = "opaque"i EQUAL quoted_string>tag %parse_opaque;
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message_qop = "qop"i EQUAL qop_value>tag %parse_qop;
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nonce_count = "nc"i EQUAL (LHEX{8})>tag %parse_nc;
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dig_resp = (username | realm | nonce | digest_uri | dresponse | algorithm | cnonce | opaque | message_qop | nonce_count)@1 | auth_param@0;
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digest_response = dig_resp ( COMMA <:dig_resp )*;
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credentials = ( "Digest"i LWS digest_response )>is_digest | other_response;
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Authorization = ("Authorization"i>is_auth | "Proxy-Authorization"i>is_proxy) HCOLON credentials;
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# Entry point
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main := Authorization :>CRLF @eob;
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}%%
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int thttp_header_Authorization_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 thttp_header_Authorization_t *Authorization = header;
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if(Authorization && Authorization->scheme)
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{
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return tsk_buffer_appendEx(output, "%s %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
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Authorization->scheme,
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Authorization->username ? "username=\"" : "",
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Authorization->username ? Authorization->username : "",
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Authorization->username ? "\"" : "",
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Authorization->realm ? ",realm=\"" : "",
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Authorization->realm ? Authorization->realm : "",
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Authorization->realm ? "\"" : "",
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Authorization->nonce ? ",nonce=\"" : "",
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Authorization->nonce ? Authorization->nonce : "",
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Authorization->nonce ? "\"" : "",
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Authorization->uri ? ",uri=\"" : "",
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Authorization->uri ? Authorization->uri : "",
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Authorization->uri ? "\"" : "",
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Authorization->response ? ",response=\"" : "",
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Authorization->response ? Authorization->response : "",
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Authorization->response ? "\"" : "",
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Authorization->algorithm ? ",algorithm=" : "",
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Authorization->algorithm ? Authorization->algorithm : "",
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Authorization->cnonce ? ",cnonce=\"" : "",
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Authorization->cnonce ? Authorization->cnonce : "",
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Authorization->cnonce ? "\"" : "",
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Authorization->opaque ? ",opaque=\"" : "",
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Authorization->opaque ? Authorization->opaque : "",
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Authorization->opaque ? "\"" : "",
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Authorization->qop ? ",qop=" : "",
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Authorization->qop ? Authorization->qop : "",
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Authorization->nc ? ",nc=" : "",
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Authorization->nc ? Authorization->nc : ""
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);
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}
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}
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return -1;
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}
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/**@ingroup thttp_header_group
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*/
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thttp_header_Authorization_t *thttp_header_Authorization_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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thttp_header_Authorization_t *hdr_Authorization = THTTP_HEADER_AUTHORIZATION_CREATE();
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const char *tag_start;
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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 Authorization header.");
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TSK_OBJECT_SAFE_FREE(hdr_Authorization);
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}
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return hdr_Authorization;
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}
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/**@ingroup thttp_header_group
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*/
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thttp_header_Proxy_Authorization_t *thttp_header_Proxy_Authorization_parse(const char *data, size_t size)
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{
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return thttp_header_Authorization_parse(data, size);
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}
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//========================================================
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// Authorization header object definition
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//
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/**@ingroup thttp_header_Authorization_group
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*/
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static void* thttp_header_Authorization_create(void *self, va_list * app)
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{
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thttp_header_Authorization_t *Authorization = self;
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if(Authorization)
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{
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THTTP_HEADER(Authorization)->type = thttp_htype_Authorization;
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THTTP_HEADER(Authorization)->tostring = thttp_header_Authorization_tostring;
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}
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else
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{
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TSK_DEBUG_ERROR("Failed to create new Authorization header.");
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}
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return self;
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}
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/**@ingroup thttp_header_Authorization_group
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*/
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static void* thttp_header_Authorization_destroy(void *self)
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{
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thttp_header_Authorization_t *Authorization = self;
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if(Authorization)
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{
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TSK_FREE(Authorization->scheme);
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TSK_FREE(Authorization->username);
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TSK_FREE(Authorization->realm);
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TSK_FREE(Authorization->nonce);
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TSK_FREE(Authorization->uri);
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TSK_FREE(Authorization->response);
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TSK_FREE(Authorization->algorithm);
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TSK_FREE(Authorization->cnonce);
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TSK_FREE(Authorization->opaque);
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TSK_FREE(Authorization->qop);
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TSK_FREE(Authorization->nc);
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TSK_OBJECT_SAFE_FREE(THTTP_HEADER_PARAMS(Authorization));
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}
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else TSK_DEBUG_ERROR("Null Authorization header.");
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return self;
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}
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static const tsk_object_def_t thttp_header_Authorization_def_s =
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{
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sizeof(thttp_header_Authorization_t),
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thttp_header_Authorization_create,
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thttp_header_Authorization_destroy,
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0
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};
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const void *thttp_header_Authorization_def_t = &thttp_header_Authorization_def_s; |