X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ad7a38341c19e71e3595c17368ac18f08b71482d..refs/heads/master:/print-bt.c diff --git a/print-bt.c b/print-bt.c index 3c89a291..290434b9 100644 --- a/print-bt.c +++ b/print-bt.c @@ -17,63 +17,53 @@ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-bt.c,v 1.2 2008-09-25 21:45:50 guy Exp $"; -#endif - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +/* \summary: Bluetooth printer */ -#include +#include -#include -#include -#include +#include "netdissect-stdinc.h" -#include "interface.h" +#define ND_LONGJMP_FROM_TCHECK +#include "netdissect.h" #include "extract.h" -#include "addrtoname.h" -#if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H) -#include +#ifdef DLT_BLUETOOTH_HCI_H4_WITH_PHDR + +/* + * Header prepended by libpcap to each bluetooth h4 frame; + * the direction field is in network byte order. + */ +typedef struct _bluetooth_h4_header { + nd_uint32_t direction; /* if first bit is set direction is incoming */ +} bluetooth_h4_header; + +#define BT_HDRLEN sizeof(bluetooth_h4_header) -#define BT_HDRLEN sizeof(pcap_bluetooth_h4_header) /* * This is the top level routine of the printer. 'p' points * to the bluetooth header of the packet, 'h->ts' is the timestamp, * 'h->len' is the length of the packet off the wire, and 'h->caplen' * is the number of bytes actually captured. */ -u_int -bt_if_print(const struct pcap_pkthdr *h, const u_char *p) +void +bt_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { u_int length = h->len; u_int caplen = h->caplen; - const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p; + const bluetooth_h4_header *hdr = (const bluetooth_h4_header *)p; - if (caplen < BT_HDRLEN) { - printf("[|bt]"); - return (BT_HDRLEN); - } + ndo->ndo_protocol = "bluetooth"; + nd_print_protocol(ndo); + ND_TCHECK_LEN(p, BT_HDRLEN); + ndo->ndo_ll_hdr_len += BT_HDRLEN; caplen -= BT_HDRLEN; length -= BT_HDRLEN; p += BT_HDRLEN; - if (eflag) - (void)printf("hci length %d, direction %s, ", length, (EXTRACT_32BITS(&hdr->direction)&0x1)?"in":"out"); - - if (!suppress_default_print) - default_print(p, caplen); + if (ndo->ndo_eflag) + ND_PRINT(", hci length %u, direction %s", length, + (GET_BE_U_4(hdr->direction)&0x1) ? "in" : "out"); - return (BT_HDRLEN); + if (!ndo->ndo_suppress_default_print) + ND_DEFAULTPRINT(p, caplen); } #endif - - -/* - * Local Variables: - * c-style: whitesmith - * c-basic-offset: 8 - * End: - */