4 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $Id: btsockstat.c,v 1.8 2003/05/21 22:40:25 max Exp $
32 #include <sys/types.h>
33 #include <sys/callout.h>
34 #include <sys/param.h>
35 #include <sys/protosw.h>
36 #include <sys/queue.h>
37 #include <sys/socket.h>
38 #include <sys/socketvar.h>
41 #include <net/if_var.h>
43 #include <bluetooth.h>
50 #include <netgraph/bluetooth/include/ng_bluetooth.h>
51 #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h>
52 #include <netgraph/bluetooth/include/ng_btsocket_l2cap.h>
53 #include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h>
60 static void hcirawpr (kvm_t *kvmd, u_long addr);
61 static void l2caprawpr (kvm_t *kvmd, u_long addr);
62 static void l2cappr (kvm_t *kvmd, u_long addr);
63 static void l2caprtpr (kvm_t *kvmd, u_long addr);
64 static void rfcommpr (kvm_t *kvmd, u_long addr);
65 static void rfcommpr_s (kvm_t *kvmd, u_long addr);
67 static char * bdaddrpr (bdaddr_p const ba, char *str, int len);
69 static kvm_t * kopen (char const *memf);
70 static int kread (kvm_t *kvmd, u_long addr, char *buffer, int size);
72 static void usage (void);
78 static struct nlist nl[] = {
80 { "_ng_btsocket_hci_raw_sockets" },
82 { "_ng_btsocket_l2cap_raw_sockets" },
84 { "_ng_btsocket_l2cap_sockets" },
85 #define N_L2CAP_RAW_RT 3
86 { "_ng_btsocket_l2cap_raw_rt" },
88 { "_ng_btsocket_l2cap_rt" },
90 { "_ng_btsocket_rfcomm_sockets" },
92 { "_ng_btsocket_rfcomm_sessions" },
96 #define state2str(x) \
97 (((x) >= sizeof(states)/sizeof(states[0]))? "UNKNOWN" : states[(x)])
103 static int numeric_bdaddr = 0;
106 main(int argc, char *argv[])
108 int opt, proto = -1, route = 0;
112 while ((opt = getopt(argc, argv, "hnM:p:r")) != -1) {
123 if (strcasecmp(optarg, "hci_raw") == 0)
125 else if (strcasecmp(optarg, "l2cap_raw") == 0)
127 else if (strcasecmp(optarg, "l2cap") == 0)
129 else if (strcasecmp(optarg, "rfcomm") == 0)
131 else if (strcasecmp(optarg, "rfcomm_s") == 0)
149 if ((proto == N_HCI_RAW || proto == N_RFCOMM || proto == N_RFCOMM_S) && route)
154 * Discard setgid privileges if not the running kernel so that
155 * bad guys can't print interesting stuff from kernel memory.
167 hcirawpr(kvmd, nl[N_HCI_RAW].n_value);
172 l2caprtpr(kvmd, nl[N_L2CAP_RAW_RT].n_value);
174 l2caprawpr(kvmd, nl[N_L2CAP_RAW].n_value);
179 l2caprtpr(kvmd, nl[N_L2CAP_RT].n_value);
181 l2cappr(kvmd, nl[N_L2CAP].n_value);
185 rfcommpr(kvmd, nl[N_RFCOMM].n_value);
189 rfcommpr_s(kvmd, nl[N_RFCOMM_S].n_value);
194 l2caprtpr(kvmd, nl[N_L2CAP_RAW_RT].n_value);
195 l2caprtpr(kvmd, nl[N_L2CAP_RT].n_value);
197 hcirawpr(kvmd, nl[N_HCI_RAW].n_value);
198 l2caprawpr(kvmd, nl[N_L2CAP_RAW].n_value);
199 l2cappr(kvmd, nl[N_L2CAP].n_value);
200 rfcommpr_s(kvmd, nl[N_RFCOMM_S].n_value);
201 rfcommpr(kvmd, nl[N_RFCOMM].n_value);
206 return (kvm_close(kvmd));
210 * Print raw HCI sockets
214 hcirawpr(kvm_t *kvmd, u_long addr)
216 ng_btsocket_hci_raw_pcb_p this = NULL, next = NULL;
217 ng_btsocket_hci_raw_pcb_t pcb;
224 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
227 for ( ; this != NULL; this = next) {
228 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
230 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
233 next = LIST_NEXT(&pcb, next);
238 "Active raw HCI sockets\n" \
239 "%-8.8s %-8.8s %-6.6s %-6.6s %-6.6s %-16.16s\n",
248 if (pcb.addr.hci_node[0] == 0) {
249 pcb.addr.hci_node[0] = '*';
250 pcb.addr.hci_node[1] = 0;
254 "%-8lx %-8lx %-6.6x %6d %6d %-16.16s\n",
255 (unsigned long) pcb.so,
256 (unsigned long) this,
265 * Print raw L2CAP sockets
269 l2caprawpr(kvm_t *kvmd, u_long addr)
271 ng_btsocket_l2cap_raw_pcb_p this = NULL, next = NULL;
272 ng_btsocket_l2cap_raw_pcb_t pcb;
279 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
282 for ( ; this != NULL; this = next) {
283 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
285 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
288 next = LIST_NEXT(&pcb, next);
293 "Active raw L2CAP sockets\n" \
294 "%-8.8s %-8.8s %-6.6s %-6.6s %-17.17s\n",
303 "%-8lx %-8lx %6d %6d %-17.17s\n",
304 (unsigned long) pcb.so,
305 (unsigned long) this,
308 bdaddrpr(&pcb.src, NULL, 0));
313 * Print L2CAP sockets
317 l2cappr(kvm_t *kvmd, u_long addr)
319 static char const * const states[] = {
320 /* NG_BTSOCKET_L2CAP_CLOSED */ "CLOSED",
321 /* NG_BTSOCKET_L2CAP_CONNECTING */ "CON",
322 /* NG_BTSOCKET_L2CAP_CONFIGURING */ "CONFIG",
323 /* NG_BTSOCKET_L2CAP_OPEN */ "OPEN",
324 /* NG_BTSOCKET_L2CAP_DISCONNECTING */ "DISCON"
327 ng_btsocket_l2cap_pcb_p this = NULL, next = NULL;
328 ng_btsocket_l2cap_pcb_t pcb;
331 char local[24], remote[24];
336 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
339 for ( ; this != NULL; this = next) {
340 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
342 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
345 next = LIST_NEXT(&pcb, next);
350 "Active L2CAP sockets\n" \
351 "%-8.8s %-6.6s %-6.6s %-23.23s %-17.17s %-5.5s %s\n",
362 "%-8lx %6d %6d %-17.17s/%-5d %-17.17s %-5d %s\n",
363 (unsigned long) this,
366 bdaddrpr(&pcb.src, local, sizeof(local)),
368 bdaddrpr(&pcb.dst, remote, sizeof(remote)),
370 (so.so_options & SO_ACCEPTCONN)?
371 "LISTEN" : state2str(pcb.state));
376 * Print L2CAP routing table
380 l2caprtpr(kvm_t *kvmd, u_long addr)
382 ng_btsocket_l2cap_rtentry_p this = NULL, next = NULL;
383 ng_btsocket_l2cap_rtentry_t rt;
389 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
392 for ( ; this != NULL; this = next) {
393 if (kread(kvmd, (u_long) this, (char *) &rt, sizeof(rt)) < 0)
396 next = LIST_NEXT(&rt, next);
401 "Known %sL2CAP routes\n", (addr == nl[N_L2CAP_RAW_RT].n_value)? "raw " : "");
403 "%-8.8s %-8.8s %-17.17s\n", "RTentry",
409 "%-8lx %-8lx %-17.17s\n",
410 (unsigned long) this,
411 (unsigned long) rt.hook,
412 bdaddrpr(&rt.src, NULL, 0));
417 * Print RFCOMM sockets
421 rfcommpr(kvm_t *kvmd, u_long addr)
423 static char const * const states[] = {
424 /* NG_BTSOCKET_RFCOMM_DLC_CLOSED */ "CLOSED",
425 /* NG_BTSOCKET_RFCOMM_DLC_W4_CONNECT */ "W4CON",
426 /* NG_BTSOCKET_RFCOMM_DLC_CONFIGURING */ "CONFIG",
427 /* NG_BTSOCKET_RFCOMM_DLC_CONNECTING */ "CONN",
428 /* NG_BTSOCKET_RFCOMM_DLC_CONNECTED */ "OPEN",
429 /* NG_BTSOCKET_RFCOMM_DLC_DISCONNECTING */ "DISCON"
432 ng_btsocket_rfcomm_pcb_p this = NULL, next = NULL;
433 ng_btsocket_rfcomm_pcb_t pcb;
436 char local[24], remote[24];
441 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
444 for ( ; this != NULL; this = next) {
445 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
447 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
450 next = LIST_NEXT(&pcb, next);
455 "Active RFCOMM sockets\n" \
456 "%-8.8s %-6.6s %-6.6s %-17.17s %-17.17s %-4.4s %-4.4s %s\n",
468 "%-8lx %6d %6d %-17.17s %-17.17s %-4d %-4d %s\n",
469 (unsigned long) this,
472 bdaddrpr(&pcb.src, local, sizeof(local)),
473 bdaddrpr(&pcb.dst, remote, sizeof(remote)),
476 (so.so_options & SO_ACCEPTCONN)?
477 "LISTEN" : state2str(pcb.state));
482 * Print RFCOMM sessions
486 rfcommpr_s(kvm_t *kvmd, u_long addr)
488 static char const * const states[] = {
489 /* NG_BTSOCKET_RFCOMM_SESSION_CLOSED */ "CLOSED",
490 /* NG_BTSOCKET_RFCOMM_SESSION_LISTENING */ "LISTEN",
491 /* NG_BTSOCKET_RFCOMM_SESSION_CONNECTING */ "CONNECTING",
492 /* NG_BTSOCKET_RFCOMM_SESSION_CONNECTED */ "CONNECTED",
493 /* NG_BTSOCKET_RFCOMM_SESSION_OPEN */ "OPEN",
494 /* NG_BTSOCKET_RFCOMM_SESSION_DISCONNECTING */ "DISCONNECTING"
497 ng_btsocket_rfcomm_session_p this = NULL, next = NULL;
498 ng_btsocket_rfcomm_session_t s;
505 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
508 for ( ; this != NULL; this = next) {
509 if (kread(kvmd, (u_long) this, (char *) &s, sizeof(s)) < 0)
511 if (kread(kvmd, (u_long) s.l2so, (char *) &so, sizeof(so)) < 0)
514 next = LIST_NEXT(&s, next);
519 "Active RFCOMM sessions\n" \
520 "%-8.8s %-8.8s %-4.4s %-5.5s %-5.5s %-4.4s %s\n",
531 "%-8lx %-8lx %-4x %-5d %-5d %-4s %s\n",
532 (unsigned long) so.so_pcb,
533 (unsigned long) this,
537 LIST_EMPTY(&s.dlcs)? "No" : "Yes",
543 * Return BD_ADDR as string
547 bdaddrpr(bdaddr_p const ba, char *str, int len)
549 static char buffer[MAXHOSTNAMELEN];
550 struct hostent *he = NULL;
554 len = sizeof(buffer);
557 if (memcmp(ba, NG_HCI_BDADDR_ANY, sizeof(*ba)) == 0) {
564 if (!numeric_bdaddr &&
565 (he = bt_gethostbyaddr((char *)ba, sizeof(*ba), AF_BLUETOOTH)) != NULL) {
566 strlcpy(str, he->h_name, len);
581 kopen(char const *memf)
584 char errbuf[_POSIX2_LINE_MAX];
587 * Discard setgid privileges if not the running kernel so that
588 * bad guys can't print interesting stuff from kernel memory.
594 kvmd = kvm_openfiles(NULL, memf, NULL, O_RDONLY, errbuf);
596 warnx("kvm_openfiles: %s", errbuf);
600 if (kvm_nlist(kvmd, nl) < 0) {
601 warnx("kvm_nlist: %s", kvm_geterr(kvmd));
605 if (nl[0].n_type == 0) {
606 warnx("kvm_nlist: no namelist");
622 kread(kvm_t *kvmd, u_long addr, char *buffer, int size)
624 if (kvmd == NULL || buffer == NULL)
627 if (kvm_read(kvmd, addr, buffer, size) != size) {
628 warnx("kvm_read: %s", kvm_geterr(kvmd));
636 * Print usage and exit
642 fprintf(stdout, "Usage: btsockstat [-M core ] [-n] [-p proto] [-r]\n");