contrib/libpcap/pcap-bt-monitor-linux.c

86 bt_monitor_read(pcap_t *handle, int max_packets _U_, pcap_handler callback, u_char *user)
97     pktd = (u_char *)handle->buffer + BT_CONTROL_SIZE;
103     iv[1].iov_len = handle->snapshot;
109     msg.msg_control = handle->buffer;
113         ret = recvmsg(handle->fd, &msg, 0);
114         if (handle->break_loop)
116             handle->break_loop = 0;
122         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
141     if (handle->fcode.bf_insns == NULL ||
142         bpf_filter(handle->fcode.bf_insns, pktd, pkth.len, pkth.caplen)) {
150 bt_monitor_inject(pcap_t *handle, const void *buf _U_, size_t size _U_)
152     pcap_snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
165 bt_monitor_stats(pcap_t *handle _U_, struct pcap_stat *stats)
175 bt_monitor_activate(pcap_t* handle)
181     if (handle->opt.rfmon) {
194     if (handle->snapshot <= 0 || handle->snapshot > MAXIMUM_SNAPLEN)
195         handle->snapshot = MAXIMUM_SNAPLEN;
197     handle->bufsize = BT_CONTROL_SIZE + sizeof(pcap_bluetooth_linux_monitor_header) + handle->snapshot;
198     handle->linktype = DLT_BLUETOOTH_LINUX_MONITOR;
200     handle->read_op = bt_monitor_read;
201     handle->inject_op = bt_monitor_inject;
202     handle->setfilter_op = install_bpf_program; /* no kernel filtering */
203     handle->setdirection_op = bt_monitor_setdirection;
204     handle->set_datalink_op = NULL; /* can't change data link type */
205     handle->getnonblock_op = pcap_getnonblock_fd;
206     handle->setnonblock_op = pcap_setnonblock_fd;
207     handle->stats_op = bt_monitor_stats;
209     handle->fd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
210     if (handle->fd < 0) {
211         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
216     handle->buffer = malloc(handle->bufsize);
217     if (!handle->buffer) {
218         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
228     if (bind(handle->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
229         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
235     if (setsockopt(handle->fd, SOL_SOCKET, SO_TIMESTAMP, &opt, sizeof(opt)) < 0) {
236         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
241     handle->selectable_fd = handle->fd;
246     pcap_cleanup_live_common(handle);