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

99 bt_monitor_read(pcap_t *handle, int max_packets _U_, pcap_handler callback, u_char *user)
110     pktd = (u_char *)handle->buffer + BT_CONTROL_SIZE;
116     iv[1].iov_len = handle->snapshot;
122     msg.msg_control = handle->buffer;
126         ret = recvmsg(handle->fd, &msg, 0);
127         if (handle->break_loop)
129             handle->break_loop = 0;
139         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
158     if (handle->fcode.bf_insns == NULL ||
159         pcap_filter(handle->fcode.bf_insns, pktd, pkth.len, pkth.caplen)) {
167 bt_monitor_inject(pcap_t *handle, const void *buf _U_, int size _U_)
169     snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
175 bt_monitor_stats(pcap_t *handle _U_, struct pcap_stat *stats)
185 bt_monitor_activate(pcap_t* handle)
191     if (handle->opt.rfmon) {
204     if (handle->snapshot <= 0 || handle->snapshot > MAXIMUM_SNAPLEN)
205         handle->snapshot = MAXIMUM_SNAPLEN;
207     handle->bufsize = BT_CONTROL_SIZE + sizeof(pcap_bluetooth_linux_monitor_header) + handle->snapshot;
208     handle->linktype = DLT_BLUETOOTH_LINUX_MONITOR;
210     handle->read_op = bt_monitor_read;
211     handle->inject_op = bt_monitor_inject;
212     handle->setfilter_op = install_bpf_program; /* no kernel filtering */
213     handle->setdirection_op = NULL; /* Not implemented */
214     handle->set_datalink_op = NULL; /* can't change data link type */
215     handle->getnonblock_op = pcap_getnonblock_fd;
216     handle->setnonblock_op = pcap_setnonblock_fd;
217     handle->stats_op = bt_monitor_stats;
219     handle->fd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
220     if (handle->fd < 0) {
221         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
226     handle->buffer = malloc(handle->bufsize);
227     if (!handle->buffer) {
228         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
238     if (bind(handle->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
239         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
245     if (setsockopt(handle->fd, SOL_SOCKET, SO_TIMESTAMP, &opt, sizeof(opt)) < 0) {
246         pcap_fmt_errmsg_for_errno(handle->errbuf, PCAP_ERRBUF_SIZE,
251     handle->selectable_fd = handle->fd;
256     pcap_cleanup_live_common(handle);