86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
|
/* pcap encoder.
|
||
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, this
|
||
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
||
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#define PCAP_MAGIC_BIG_ENDIAN 0xA1B2C3D4 /*!< Big-Endian */
|
||
|
|
#define PCAP_MAGIC_LITTLE_ENDIAN 0xD4C3B2A1 /*!< Little-Endian */
|
||
|
|
|
||
|
|
#define PCAP_VERSION_MAJOR 0x02 /*!< Major Version */
|
||
|
|
#define PCAP_VERSION_MINOR 0x04 /*!< Minor Version */
|
||
|
|
|
||
|
|
#define PCAP_TIME_ZONE_GMT 0x00 /*!< Time Zone */
|
||
|
|
|
||
|
|
#define PCAP_FILE_NAME_MAX_LEN 32 /*!< Max Name Length of Pcap File */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Link layer Type Definition, used for Pcap reader to decode payload
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef enum {
|
||
|
|
PCAP_LINK_TYPE_LOOPBACK = 0, /*!< Loopback devices, except for later OpenBSD */
|
||
|
|
PCAP_LINK_TYPE_ETHERNET = 1, /*!< Ethernet, and Linux loopback devices */
|
||
|
|
PCAP_LINK_TYPE_TOKEN_RING = 6, /*!< 802.5 Token Ring */
|
||
|
|
PCAP_LINK_TYPE_ARCNET = 7, /*!< ARCnet */
|
||
|
|
PCAP_LINK_TYPE_SLIP = 8, /*!< SLIP */
|
||
|
|
PCAP_LINK_TYPE_PPP = 9, /*!< PPP */
|
||
|
|
PCAP_LINK_TYPE_FDDI = 10, /*!< FDDI */
|
||
|
|
PCAP_LINK_TYPE_ATM = 100, /*!< LLC/SNAP encapsulated ATM */
|
||
|
|
PCAP_LINK_TYPE_RAW_IP = 101, /*!< Raw IP, without link */
|
||
|
|
PCAP_LINK_TYPE_BSD_SLIP = 102, /*!< BSD/OS SLIP */
|
||
|
|
PCAP_LINK_TYPE_BSD_PPP = 103, /*!< BSD/OS PPP */
|
||
|
|
PCAP_LINK_TYPE_CISCO_HDLC = 104, /*!< Cisco HDLC */
|
||
|
|
PCAP_LINK_TYPE_802_11 = 105, /*!< 802.11 */
|
||
|
|
PCAP_LINK_TYPE_BSD_LOOPBACK = 108, /*!< OpenBSD loopback devices(with AF_value in network byte order) */
|
||
|
|
PCAP_LINK_TYPE_LOCAL_TALK = 114 /*!< LocalTalk */
|
||
|
|
} pcap_link_type_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Pcap configuration Type Definition
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
FILE *fp; /* Pointer to a standard file handle */
|
||
|
|
pcap_link_type_t link_type; /* Pcap Link Type */
|
||
|
|
} pcap_config_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Create a pcap object
|
||
|
|
*
|
||
|
|
* @param config configuration of creating pcap object
|
||
|
|
* @return esp_err_t ESP_OK on success, ESP_FAIL on IO error
|
||
|
|
*/
|
||
|
|
esp_err_t pcap_new(pcap_config_t *config);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Close pcap file and recyle related resources
|
||
|
|
*
|
||
|
|
* @return esp_err_t ESP_OK on success, ESP_FAIL on error
|
||
|
|
*/
|
||
|
|
esp_err_t pcap_close(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Capture one packet into file in pcap format
|
||
|
|
*
|
||
|
|
* @param payload pointer to the captured data
|
||
|
|
* @param length length of captured data
|
||
|
|
* @param seconds second of capture time
|
||
|
|
* @param microseconds microsecond of capture time
|
||
|
|
* @return esp_err_t ESP_OK on success, ESP_FAIL on IO error
|
||
|
|
*/
|
||
|
|
esp_err_t pcap_capture_packet(void *payload, uint32_t length, uint32_t seconds, uint32_t microseconds);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|