FreeRDP/include/freerdp/utils/pcap.h

82 lines
2.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* pcap File Format Utils
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __UTILS_PCAP_H
#define __UTILS_PCAP_H
#include <freerdp/api.h>
#include <freerdp/types.h>
struct _pcap_header
{
uint32 magic_number; /* magic number */
UINT16 version_major; /* major version number */
UINT16 version_minor; /* minor version number */
sint32 thiszone; /* GMT to local correction */
uint32 sigfigs; /* accuracy of timestamps */
uint32 snaplen; /* max length of captured packets, in octets */
uint32 network; /* data link type */
};
typedef struct _pcap_header pcap_header;
struct _pcap_record_header
{
uint32 ts_sec; /* timestamp seconds */
uint32 ts_usec; /* timestamp microseconds */
uint32 incl_len; /* number of octets of packet saved in file */
uint32 orig_len; /* actual length of packet */
};
typedef struct _pcap_record_header pcap_record_header;
typedef struct _pcap_record pcap_record;
struct _pcap_record
{
pcap_record_header header;
void* data;
uint32 length;
pcap_record* next;
};
struct rdp_pcap
{
FILE* fp;
char* name;
BOOL write;
int file_size;
int record_count;
pcap_header header;
pcap_record* head;
pcap_record* tail;
pcap_record* record;
};
typedef struct rdp_pcap rdpPcap;
FREERDP_API rdpPcap* pcap_open(char* name, BOOL write);
FREERDP_API void pcap_close(rdpPcap* pcap);
FREERDP_API void pcap_add_record(rdpPcap* pcap, void* data, uint32 length);
FREERDP_API BOOL pcap_has_next_record(rdpPcap* pcap);
FREERDP_API BOOL pcap_get_next_record(rdpPcap* pcap, pcap_record* record);
FREERDP_API BOOL pcap_get_next_record_header(rdpPcap* pcap, pcap_record* record);
FREERDP_API BOOL pcap_get_next_record_content(rdpPcap* pcap, pcap_record* record);
FREERDP_API void pcap_flush(rdpPcap* pcap);
#endif /* __UTILS_PCAP_H */