123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
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*
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* Copyright (c) 2020
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* String Algorithms Research Group
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* Institute of Information Engineering, Chinese Academy of Sciences (IIE-CAS)
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* National Engineering Laboratory for Information Security Technologies (NELIST)
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* All rights reserved
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*
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* Written by: LU YUHAI (luyuhai@iie.ac.cn)
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* Last modification: 2020-04-20
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*
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* This code is the exclusive and proprietary property of IIE-CAS and NELIST.
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* Usage for direct or indirect commercial advantage is not allowed without
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* written permission from the authors.
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*
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*/
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#ifndef H_IP_MATCHER_H
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#define H_IP_MATCHER_H
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#include <stddef.h>
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#include "../../deps/log/log.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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enum IP_TYPE
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{
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IPv4=4,
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IPv6=6
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};
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>IPv4<76><34><EFBFBD><EFBFBD> */
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struct ipv4_range
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{
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unsigned int start_ip; /* IP<49><50>Χ<EFBFBD>½<EFBFBD> */
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unsigned int end_ip; /* IP<49><50>Χ<EFBFBD>Ͻ<EFBFBD> */
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};
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>IPv6<76><36><EFBFBD><EFBFBD> */
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struct ipv6_range
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{
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unsigned int start_ip[4]; /* IP<49><50>Χ<EFBFBD>½磬<C2BD><E7A3AC> Big-Endian ģʽ<C4A3>洢 */
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unsigned int end_ip[4]; /* IP<49><50>Χ<EFBFBD>Ͻ磬<CFBD><E7A3AC> Big-Endian ģʽ<C4A3>洢 */
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};
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/* ͨ<>õ<EFBFBD>ip<69><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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struct ip_rule
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{
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enum IP_TYPE type; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>ipv4<76><34>ipv6 */
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long long rule_id; /* <20><><EFBFBD><EFBFBD>ID */
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void* user_tag; /* <20>û<EFBFBD><C3BB>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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union
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{
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struct ipv4_range ipv4_rule; /*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>IPv4<76><34><EFBFBD><EFBFBD>*/
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struct ipv6_range ipv6_rule; /*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>IPv6<76><36><EFBFBD><EFBFBD>*/
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};
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};
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/* ͨ<>õĴ<C3B5>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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struct ip_data
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{
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enum IP_TYPE type; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>ipv4<76><34>ipv6 */
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union /* <20><><EFBFBD><EFBFBD>rule_type<70><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8><EFBFBD><EFBFBD><EFBFBD>ipv4<76><34><EFBFBD><EFBFBD>ipv6 */
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{
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unsigned int ipv4; /* ipv4<76><34><EFBFBD><EFBFBD>*/
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unsigned int ipv6[4]; /* ipv6<76><36><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD> Big-Endian ģʽ<C4A3>洢*/
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};
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};
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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struct scan_result
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{
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long long rule_id; /* <20><><EFBFBD><EFBFBD><EFBFBD>ID */
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void * tag; /* <20>û<EFBFBD><C3BB>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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};
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struct ip_matcher;
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/*
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<09><><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?<3F><><EFBFBD><EFBFBD>
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<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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rules[in]<5D><>һ<EFBFBD><D2BB>ip<69><70><EFBFBD><EFBFBD>
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rule_num[in]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
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mem_use[out]<5D><><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<09><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>
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ipɨ<70><C9A8><EFBFBD><EFBFBD>,<2C><><EFBFBD>ؿ<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
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*/
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struct ip_matcher* ip_matcher_new(struct ip_rule * rules, size_t rule_num,
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size_t * mem_use, struct log_handle *logger);
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/*
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<09><><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>ipɨ<70><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ip<69><70><EFBFBD>ݽ<EFBFBD><DDBD><EFBFBD>ɨ<EFBFBD><C9A8>
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<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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matcher[in]<5D><>ipɨ<70><C9A8><EFBFBD><EFBFBD>
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data[in]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4>?<3F><>ip<69><70><EFBFBD><EFBFBD>
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result[in]<5D><><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD><EFBFBD><EFBFBD>?<3F><><EFBFBD><EFBFBD>
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size[in]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>С
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<09><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>
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<09><><EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?<=size<7A><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ-1<><31>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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int ip_matcher_match(struct ip_matcher* matcher, struct ip_data * data,
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struct scan_result* result, size_t size);
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/*
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<09><><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ipɨ<70><C9A8><EFBFBD><EFBFBD>
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<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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matcher[in]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٵ<EFBFBD>ipɨ<70><C9A8><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
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*/
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void ip_matcher_free(struct ip_matcher* matcher);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !defined(H_IP_MATCHER_H) */
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