/* * netsniff-ng - the packet sniffing beast * Subject to the GPL, version 2. */ #include "oui.h" #include "protos.h" #include "pcap_io.h" #include "pkt_buff.h" #include "dissector.h" #include "dissector_sll.h" #include "dissector_eth.h" static char *pkt_type2str(uint8_t pkttype) { switch (pkttype) { case PACKET_HOST: return "host"; case PACKET_BROADCAST: return "broadcast"; case PACKET_MULTICAST: return "multicast"; case PACKET_OTHERHOST: return "other host"; case PACKET_OUTGOING: return "outgoing"; case PACKET_USER: return "user"; case PACKET_KERNEL: return "kernel"; } return "Unknown"; } static void sll_print_full(struct pkt_buff *pkt) { struct sockaddr_ll *sll = pkt->sll; char addr_str[40] = {}; tprintf(" [ Linux \"cooked\""); tprintf(" Pkt Type %d (%s)", sll->sll_pkttype, pkt_type2str(sll->sll_pkttype)); tprintf(", If Type %d (%s)", sll->sll_hatype, device_type2str(sll->sll_hatype)); tprintf(", Addr Len %d", sll->sll_halen); tprintf(", Src (%s)", device_addr2str(sll->sll_addr, sll->sll_halen, sll->sll_hatype, addr_str, sizeof(addr_str))); tprintf(", Proto 0x%x", ntohs(sll->sll_protocol)); tprintf(" ]\n"); switch (pcap_devtype_to_linktype(sll->sll_hatype)) { case LINKTYPE_EN10MB: case ___constant_swab32(LINKTYPE_EN10MB): pkt_set_dissector(pkt, ð_lay2, ntohs(sll->sll_protocol)); break; case LINKTYPE_NETLINK: case ___constant_swab32(LINKTYPE_NETLINK): pkt->dissector = &nlmsg_ops; break; default: tprintf(" [ Unknown protocol ]\n"); } } static void sll_print_less(struct pkt_buff *pkt) { struct sockaddr_ll *sll = pkt->sll; char addr_str[40] = {}; tprintf(" Pkt Type %d (%s)", sll->sll_pkttype, pkt_type2str(sll->sll_pkttype)); tprintf(", If Type %d (%s)", sll->sll_hatype, device_type2str(sll->sll_hatype)); tprintf(", Addr Len %d", sll->sll_halen); tprintf(", Src (%s)", device_addr2str(sll->sll_addr, sll->sll_halen, sll->sll_hatype, addr_str, sizeof(addr_str))); tprintf(", Proto 0x%x", ntohs(sll->sll_protocol)); } struct protocol sll_ops = { .key = 0, .print_full = sll_print_full, .print_less = sll_print_less, }; struct protocol *dissector_get_sll_entry_point(void) { return &sll_ops; } struct protocol *dissector_get_sll_exit_point(void) { return &none_ops; } void dissector_init_sll(int fnttype) { dissector_set_print_type(&sll_ops, fnttype); dissector_set_print_type(&none_ops, fnttype); dissector_init_oui(); } void dissector_cleanup_sll(void) { dissector_cleanup_oui(); } ist'>