115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
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#ifndef CAPTHREAD_H
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#define CAPTHREAD_H
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#include <QThread>
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#include <winsock2.h>
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#include "pcap.h"
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#include <QVector>
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#pragma comment(lib, "wpcap.lib")
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#pragma comment(lib, "Ws2_32.lib")
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#define LINE_LEN 16
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#define MAX_ADDR_LEN 16
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struct EtherHeader {
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u_char ether_dhost[6]; // 目标MAC地址
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u_char ether_shost[6]; // 源MAC地址
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u_short ether_type; // 以太网类型
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};
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struct IpAddress {
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u_char byte1;
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u_char byte2;
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u_char byte3;
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u_char byte4;
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};
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struct IpHeader {
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u_char version_hlen; // 首部长度 版本
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u_char tos; // 服务质量
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u_short tlen; // 总长度
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u_short identification; // 身份识别
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u_short flags_offset; // 标识 分组偏移
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u_char ttl; // 生命周期
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u_char proto; // 协议类型
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u_short checksum; // 包头测验码
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u_int saddr; // 源IP地址
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u_int daddr; // 目的IP地址
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};
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struct TcpHeader {
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u_short sport;
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u_short dport;
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u_int sequence; // 序列码
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u_int ack; // 回复码
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u_char hdrLen; // 首部长度保留字
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u_char flags; // 标志
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u_short windows; // 窗口大小
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u_short checksum; // 校验和
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u_short urgent_pointer; // 紧急指针
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};
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struct UdpHeader {
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u_short sport; // 源端口
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u_short dport; // 目标端口
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u_short datalen; // UDP数据长度
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u_short checksum; // 校验和
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};
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struct IcmpHeader {
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u_char type; // ICMP类型
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u_char code; // 代码
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u_short checksum; // 校验和
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u_short identification; // 标识
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u_short sequence; // 序列号
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u_long timestamp; // 时间戳
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};
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struct ArpHeader {
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u_short hardware_type; // 格式化的硬件地址
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u_short protocol_type; // 协议地址格式
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u_char hardware_length; // 硬件地址长度
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u_char protocol_length; // 协议地址长度
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u_short operation_code; // 操作码
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u_char source_ethernet_address[6]; // 发送者硬件地址
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u_char source_ip_address[4]; // 发送者协议地址
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u_char destination_ethernet_address[6]; // 目的方硬件地址
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u_char destination_ip_address[4]; // 目的方协议地址
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};
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struct Packet {
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QString time;
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QString data;
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u_int len;
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EtherHeader ether_header;
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IpHeader ip_header;
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TcpHeader tcp_header;
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UdpHeader udp_header;
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IcmpHeader icmp_header;
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ArpHeader arp_header;
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QString protocol;
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};
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class CapThread : public QThread {
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Q_OBJECT
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public:
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explicit CapThread(pcap *pcap, QObject *parent = nullptr);
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void setPacketList(QList<Packet> *p){p->clear();packet_list=p;}
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pcap *pcap{0};
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QList<Packet> *packet_list;
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Packet packet;
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private:
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void tcp_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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void udp_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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void icmp_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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void arp_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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void ip_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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void ethernet_protocol_packet_handle(u_char *arg, const struct pcap_pkthdr *pkt_header, const u_char *pkt_content);
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protected:
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void run();
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signals:
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void newPacket();
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public slots:
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};
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#endif // CAPTHREAD_H
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