struct pcap_sf_pkthdr { struct pcap_timeval ts; /* time stamp */ unsigned int caplen; /* length of portion present */ unsigned int len; /* length of this packet (off wire) */ }; int pcap_init(const char *file) { size_t size = 0; struct pcap_file_header pcap_filehdr; memset...
void user_routine(u_char *user, struct pcap_pkthdr *phrd, u_char *pdata) 这三个参数中,user,是传递给pcap_dispatch()的那个参数;phdr,是个pcap_pkthdr类型的指针,是savefile中的数据报的头指针,pdata,指向数据报数据;这个函数允许用户定义子集的数据报过滤程序; 参数: pcap_t * p:pcap_open_live返...
struct pcap_pkthdr pcap_header; /* This is needed for the pcap_next_ex() to work */ #ifdef HAVE_REMOTE #ifndef WIN32 // Win32 already defines 'timeout' int timeout; //!< timeout to be used in the pcap_open() #endif /*! \brief '1' if we're the network client; needed by...
u_int *dlt_list; structpcap_pkthdr pcap_header;/* pcap_next_ex()工作所需的链表*/ }; 所定义的一些函数指针 typedefint(*activate_op_t)(pcap_t *); typedefint(*can_set_rfmon_op_t)(pcap_t *); typedefint(*read_op_t)(pcap_t *,intcnt, pcap_handler, u_char *); typedefint(*injec...
typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *, const u_char *); 2.4设置过滤条件 首先使用pcap_compile编译一个filter字符串,然后使用pcap_setfilter将编译结果绑定到一个设备; char* filter = "udp port 5060"; bpf_program fp; ...
void pcap_dump(u_char *user, struct pcap_pkthdr *h, u_char *sp) 向调用pcap_dump_open()函数打开的文件输出一个数据包。该函数可作为pcap_dispatch()函数的回调 函数。 int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 ...
void pcap_dump(u_char *user, struct pcap_pkthdr *h, u_char *sp) 向调用pcap_dump_open()函数打开的文件输出一个数据包。该函数可 作为pcap_dispatch()函数的回调函数。 int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask) 将str参数指定的字符...
typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *, const u_char *); 2.4设置过滤条件 首先使用pcap_compile编译一个filter字符串,然后使用pcap_setfilter将编译结果绑定到一个设备; char* filter = "udp port 5060"; bpf_program fp; ...
void pcap_dump(u_char *user, struct pcap_pkthdr *h, u_char *sp) 向调用pcap_dump_open()函数打开的文件输出一个数据包。该函数可 作为pcap_dispatch()函数的回调函数。 int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask) ...
In turns out you need to read the header with a struct pcap_sf_pkthdr, not a struct pcap_pkthdr, which is 8 bytes smaller. Now things are working much better! The URL at netresec.com does not make this obvious, saying that a "packet header" is 16 bytes. But this is the pcap_sf...