/* * netsniff-ng - the packet sniffing beast * Copyright 2009 - 2013 Daniel Borkmann. * Subject to the GPL, version 2. */ #ifndef DISSECTOR_H #define DISSECTOR_H #include <stdlib.h> #include <stdint.h> #include "ring.h" #include "tprintf.h" #include "pcap_io.h" #include "built_in.h" #define PRINT_NORM 0 #define PRINT_LESS 1 #define PRINT_HEX 2 #define PRINT_ASCII 3 #define PRINT_HEX_ASCII 4 #define PRINT_NONE 5 static const char * const packet_types[256]={ "<", /* Incoming */ "B", /* Broadcast */ "M", /* Multicast */ "P", /* Promisc */ ">", /* Outgoing */ "?", /* Unknown */ }; extern char *if_indextoname(unsigned ifindex, char *ifname); static inline const char *__show_ts_source(uint32_t status) { if (status & TP_STATUS_TS_RAW_HARDWARE) return "(raw hw ts)"; else if (status & TP_STATUS_TS_SYS_HARDWARE) return "(sys hw ts)"; else if (status & TP_STATUS_TS_SOFTWARE) return "(sw ts)"; else return ""; } static inline void show_frame_hdr(struct frame_map *hdr, int mode) { char tmp[IFNAMSIZ]; if (mode == PRINT_NONE) return; switch (mode) { case PRINT_LESS: tprintf("%s %s %u", packet_types[hdr->s_ll.sll_pkttype] ? : "?", if_indextoname(hdr->s_ll.sll_ifindex, tmp) ? : "?", hdr->tp_h.tp_len); break; default: tprintf("%s %s %u %us.%uns %s\n", packet_types[hdr->s_ll.sll_pkttype] ? : "?", if_indextoname(hdr->s_ll.sll_ifindex, tmp) ? : "?", hdr->tp_h.tp_len, hdr->tp_h.tp_sec, hdr->tp_h.tp_nsec, __show_ts_source(hdr->tp_h.tp_status)); break; } } extern void dissector_init_all(int fnttype); extern void dissector_entry_point(uint8_t *packet, size_t len, int linktype, int mode); extern void dissector_cleanup_all(void); extern int dissector_set_print_type(void *ptr, int type); #endif /* DISSECTOR_H */