diff options
Diffstat (limited to 'dissector.h')
| -rw-r--r-- | dissector.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/dissector.h b/dissector.h new file mode 100644 index 0000000..fc2cd5a --- /dev/null +++ b/dissector.h @@ -0,0 +1,64 @@ +/* + * 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" + +#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 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\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); + 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 */ |