1、IPv4套接字地址结构sockaddr_in,对应头文件<netinet/in.h> struct in_addr{ in_addr_t s_addr; //32bit 的IPv4地址 }; struct sockaddr_in{ uint8_t sin_len; //结构体长度,大小 sa_family_t sin_family; //协议类型,常用AF_INET,对应的是TCP in_port_t sin_port; //端口数 struct in_add...
$ grep -rn"struct sockaddr_storage" /usr/local/include/ /usr/local/include/upnp/upnp.h:632: struct sockaddr_storage CtrlPtIPAddr; /usr/local/include/upnp/upnp.h:679: struct sockaddr_storage CtrlPtIPAddr; /usr/local/include/upnp/upnp.h:759: struct sockaddr_storage DestAddr; --- 这里看到...
ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen); ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen); ... 写入BPF Map 的数据将记录触发的 syscall ...
#include<stdio.h>#include<string.h>#include<sys/types.h>#include<sys/socket.h>#include<arpa/inet.h>intmain(void){char*token;charbuf1[16];charbuf2[4][4];charbuf3[16];inti =0;structsockaddr_inaddr;memset(buf1,0,16);memset(buf2,0,16);memset(buf3,0,16);//buf = inet_ntoa(si...
structsockaddr_inaddr; memset(buf1,0,16); memset(buf2,0,16); memset(buf3,0,16); //buf = inet_ntoa(sin_dest.sin_addr); //sprintf(buf1, "%s", inet_ntoa(sin_dest.sin_addr)); sprintf(buf1,"%s","112.26.0.8"); token=strtok(buf1,"."); ...
struct sockaddr_in { //通信地址类型 short int sin_family; //端口号 in_port_t sin_port; //ip地址 struct in_addr sin_addr; } 准备好的通信地址通常要将其强制转换成基本通信地址才能传给函数使用。 int bind(int sockfd, const struct sockaddr *addr,socklen_t addrlen); ...
int eth_mac_addr(struct net_device *dev, void *p); EXPORT_SYMBOL(eth_mac_addr); dev : 为将要被设置的网络设备; p : 为socket address; 1inteth_mac_addr(structnet_device *dev,void*p)2{3structsockaddr *addr =p;45//用于判断网络设备是否正在运行6if(netif_running(dev))7return-EBUSY;89...
int eth_mac_addr(struct net_device *dev, void *p); EXPORT_SYMBOL(eth_mac_addr); dev : 为将要被设置的网络设备; p : 为socket address; inteth_mac_addr(structnet_device*dev,void*p){structsockaddr*addr=p;//用于判断网络设备是否正在运行if(netif_running(dev))return-EBUSY;if(!is_valid_eth...
struct sockaddr_storage tcpm_addr; /* Address associated. */ u_int16_t __tcpm_pad1; /* Zero. */ u_int16_t tcpm_keylen; /* Key length. */ u_int32_t __tcpm_pad2; /* Zero. */ u_int8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; /* Key (binary). */ ...
const struct sockaddr *dest_addr, socklen_t addrlen); ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen); ... 写入BPF Map 的数据将记录触发的 syscall 函数及时间、TCP 连接信息、线程/协程信息以及 Linux syscall 的 buf 参数的部...