95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* pcap File Format Utils
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_UTILS_PCAP_H
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#define FREERDP_UTILS_PCAP_H
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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struct _pcap_header
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{
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UINT32 magic_number; /* magic number */
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UINT16 version_major; /* major version number */
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UINT16 version_minor; /* minor version number */
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INT32 thiszone; /* GMT to local correction */
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UINT32 sigfigs; /* accuracy of timestamps */
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UINT32 snaplen; /* max length of captured packets, in octets */
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UINT32 network; /* data link type */
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};
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typedef struct _pcap_header pcap_header;
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struct _pcap_record_header
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{
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UINT32 ts_sec; /* timestamp seconds */
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UINT32 ts_usec; /* timestamp microseconds */
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UINT32 incl_len; /* number of octets of packet saved in file */
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UINT32 orig_len; /* actual length of packet */
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};
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typedef struct _pcap_record_header pcap_record_header;
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typedef struct _pcap_record pcap_record;
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struct _pcap_record
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{
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pcap_record_header header;
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union
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{
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void* data;
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const void* cdata;
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};
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UINT32 length;
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pcap_record* next;
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};
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struct rdp_pcap
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{
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FILE* fp;
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char* name;
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BOOL write;
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INT64 file_size;
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int record_count;
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pcap_header header;
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pcap_record* head;
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pcap_record* tail;
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pcap_record* record;
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};
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typedef struct rdp_pcap rdpPcap;
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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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FREERDP_API rdpPcap* pcap_open(char* name, BOOL write);
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FREERDP_API void pcap_close(rdpPcap* pcap);
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FREERDP_API BOOL pcap_add_record(rdpPcap* pcap, const void* data, UINT32 length);
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FREERDP_API BOOL pcap_has_next_record(rdpPcap* pcap);
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FREERDP_API BOOL pcap_get_next_record(rdpPcap* pcap, pcap_record* record);
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FREERDP_API BOOL pcap_get_next_record_header(rdpPcap* pcap, pcap_record* record);
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FREERDP_API BOOL pcap_get_next_record_content(rdpPcap* pcap, pcap_record* record);
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FREERDP_API void pcap_flush(rdpPcap* pcap);
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_UTILS_PCAP_H */
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