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/queue.h>
36 #include <sys/socket.h>
37 #include <sys/socketvar.h>
40 #include <net/if_var.h>
42 #include <bluetooth.h>
49 #include <netgraph/bluetooth/include/ng_bluetooth.h>
50 #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h>
51 #include <netgraph/bluetooth/include/ng_btsocket_l2cap.h>
52 #include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h>
59 static void hcirawpr (kvm_t *kvmd, u_long addr);
60 static void l2caprawpr (kvm_t *kvmd, u_long addr);
61 static void l2cappr (kvm_t *kvmd, u_long addr);
62 static void l2caprtpr (kvm_t *kvmd, u_long addr);
63 static void rfcommpr (kvm_t *kvmd, u_long addr);
64 static void rfcommpr_s (kvm_t *kvmd, u_long addr);
66 static char * bdaddrpr (bdaddr_p const ba, char *str, int len);
68 static kvm_t * kopen (char const *memf);
69 static int kread (kvm_t *kvmd, u_long addr, char *buffer, int size);
71 static void usage (void);
77 static struct nlist nl[] = {
79 { "_ng_btsocket_hci_raw_sockets" },
81 { "_ng_btsocket_l2cap_raw_sockets" },
83 { "_ng_btsocket_l2cap_sockets" },
84 #define N_L2CAP_RAW_RT 3
85 { "_ng_btsocket_l2cap_raw_rt" },
87 { "_ng_btsocket_l2cap_rt" },
89 { "_ng_btsocket_rfcomm_sockets" },
91 { "_ng_btsocket_rfcomm_sessions" },
95 #define state2str(x) \
96 (((x) >= sizeof(states)/sizeof(states[0]))? "UNKNOWN" : states[(x)])
102 static int numeric_bdaddr = 0;
105 main(int argc, char *argv[])
107 int opt, proto = -1, route = 0;
111 while ((opt = getopt(argc, argv, "hnM:p:r")) != -1) {
122 if (strcasecmp(optarg, "hci_raw") == 0)
124 else if (strcasecmp(optarg, "l2cap_raw") == 0)
126 else if (strcasecmp(optarg, "l2cap") == 0)
128 else if (strcasecmp(optarg, "rfcomm") == 0)
130 else if (strcasecmp(optarg, "rfcomm_s") == 0)
148 if ((proto == N_HCI_RAW || proto == N_RFCOMM || proto == N_RFCOMM_S) && route)
153 * Discard setgid privileges if not the running kernel so that
154 * bad guys can't print interesting stuff from kernel memory.
166 hcirawpr(kvmd, nl[N_HCI_RAW].n_value);
171 l2caprtpr(kvmd, nl[N_L2CAP_RAW_RT].n_value);
173 l2caprawpr(kvmd, nl[N_L2CAP_RAW].n_value);
178 l2caprtpr(kvmd, nl[N_L2CAP_RT].n_value);
180 l2cappr(kvmd, nl[N_L2CAP].n_value);
184 rfcommpr(kvmd, nl[N_RFCOMM].n_value);
188 rfcommpr_s(kvmd, nl[N_RFCOMM_S].n_value);
193 l2caprtpr(kvmd, nl[N_L2CAP_RAW_RT].n_value);
194 l2caprtpr(kvmd, nl[N_L2CAP_RT].n_value);
196 hcirawpr(kvmd, nl[N_HCI_RAW].n_value);
197 l2caprawpr(kvmd, nl[N_L2CAP_RAW].n_value);
198 l2cappr(kvmd, nl[N_L2CAP].n_value);
199 rfcommpr_s(kvmd, nl[N_RFCOMM_S].n_value);
200 rfcommpr(kvmd, nl[N_RFCOMM].n_value);
205 return (kvm_close(kvmd));
209 * Print raw HCI sockets
213 hcirawpr(kvm_t *kvmd, u_long addr)
215 ng_btsocket_hci_raw_pcb_p this = NULL, next = NULL;
216 ng_btsocket_hci_raw_pcb_t pcb;
223 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
226 for ( ; this != NULL; this = next) {
227 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
229 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
232 next = LIST_NEXT(&pcb, next);
237 "Active raw HCI sockets\n" \
238 "%-8.8s %-8.8s %-6.6s %-6.6s %-6.6s %-16.16s\n",
247 if (pcb.addr.hci_node[0] == 0) {
248 pcb.addr.hci_node[0] = '*';
249 pcb.addr.hci_node[1] = 0;
253 "%-8lx %-8lx %-6.6x %6d %6d %-16.16s\n",
254 (unsigned long) pcb.so,
255 (unsigned long) this,
264 * Print raw L2CAP sockets
268 l2caprawpr(kvm_t *kvmd, u_long addr)
270 ng_btsocket_l2cap_raw_pcb_p this = NULL, next = NULL;
271 ng_btsocket_l2cap_raw_pcb_t pcb;
278 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
281 for ( ; this != NULL; this = next) {
282 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
284 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
287 next = LIST_NEXT(&pcb, next);
292 "Active raw L2CAP sockets\n" \
293 "%-8.8s %-8.8s %-6.6s %-6.6s %-17.17s\n",
302 "%-8lx %-8lx %6d %6d %-17.17s\n",
303 (unsigned long) pcb.so,
304 (unsigned long) this,
307 bdaddrpr(&pcb.src, NULL, 0));
312 * Print L2CAP sockets
316 l2cappr(kvm_t *kvmd, u_long addr)
318 static char const * const states[] = {
319 /* NG_BTSOCKET_L2CAP_CLOSED */ "CLOSED",
320 /* NG_BTSOCKET_L2CAP_CONNECTING */ "CON",
321 /* NG_BTSOCKET_L2CAP_CONFIGURING */ "CONFIG",
322 /* NG_BTSOCKET_L2CAP_OPEN */ "OPEN",
323 /* NG_BTSOCKET_L2CAP_DISCONNECTING */ "DISCON"
326 ng_btsocket_l2cap_pcb_p this = NULL, next = NULL;
327 ng_btsocket_l2cap_pcb_t pcb;
330 char local[24], remote[24];
335 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
338 for ( ; this != NULL; this = next) {
339 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
341 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
344 next = LIST_NEXT(&pcb, next);
349 "Active L2CAP sockets\n" \
350 "%-8.8s %-6.6s %-6.6s %-23.23s %-17.17s %-5.5s %s\n",
361 "%-8lx %6d %6d %-17.17s/%-5d %-17.17s %-5d %s\n",
362 (unsigned long) this,
365 bdaddrpr(&pcb.src, local, sizeof(local)),
367 bdaddrpr(&pcb.dst, remote, sizeof(remote)),
369 (so.so_options & SO_ACCEPTCONN)?
370 "LISTEN" : state2str(pcb.state));
375 * Print L2CAP routing table
379 l2caprtpr(kvm_t *kvmd, u_long addr)
381 ng_btsocket_l2cap_rtentry_p this = NULL, next = NULL;
382 ng_btsocket_l2cap_rtentry_t rt;
388 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
391 for ( ; this != NULL; this = next) {
392 if (kread(kvmd, (u_long) this, (char *) &rt, sizeof(rt)) < 0)
395 next = LIST_NEXT(&rt, next);
400 "Known %sL2CAP routes\n", (addr == nl[N_L2CAP_RAW_RT].n_value)? "raw " : "");
402 "%-8.8s %-8.8s %-17.17s\n", "RTentry",
408 "%-8lx %-8lx %-17.17s\n",
409 (unsigned long) this,
410 (unsigned long) rt.hook,
411 bdaddrpr(&rt.src, NULL, 0));
416 * Print RFCOMM sockets
420 rfcommpr(kvm_t *kvmd, u_long addr)
422 static char const * const states[] = {
423 /* NG_BTSOCKET_RFCOMM_DLC_CLOSED */ "CLOSED",
424 /* NG_BTSOCKET_RFCOMM_DLC_W4_CONNECT */ "W4CON",
425 /* NG_BTSOCKET_RFCOMM_DLC_CONFIGURING */ "CONFIG",
426 /* NG_BTSOCKET_RFCOMM_DLC_CONNECTING */ "CONN",
427 /* NG_BTSOCKET_RFCOMM_DLC_CONNECTED */ "OPEN",
428 /* NG_BTSOCKET_RFCOMM_DLC_DISCONNECTING */ "DISCON"
431 ng_btsocket_rfcomm_pcb_p this = NULL, next = NULL;
432 ng_btsocket_rfcomm_pcb_t pcb;
435 char local[24], remote[24];
440 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
443 for ( ; this != NULL; this = next) {
444 if (kread(kvmd, (u_long) this, (char *) &pcb, sizeof(pcb)) < 0)
446 if (kread(kvmd, (u_long) pcb.so, (char *) &so, sizeof(so)) < 0)
449 next = LIST_NEXT(&pcb, next);
454 "Active RFCOMM sockets\n" \
455 "%-8.8s %-6.6s %-6.6s %-17.17s %-17.17s %-4.4s %-4.4s %s\n",
467 "%-8lx %6d %6d %-17.17s %-17.17s %-4d %-4d %s\n",
468 (unsigned long) this,
471 bdaddrpr(&pcb.src, local, sizeof(local)),
472 bdaddrpr(&pcb.dst, remote, sizeof(remote)),
475 (so.so_options & SO_ACCEPTCONN)?
476 "LISTEN" : state2str(pcb.state));
481 * Print RFCOMM sessions
485 rfcommpr_s(kvm_t *kvmd, u_long addr)
487 static char const * const states[] = {
488 /* NG_BTSOCKET_RFCOMM_SESSION_CLOSED */ "CLOSED",
489 /* NG_BTSOCKET_RFCOMM_SESSION_LISTENING */ "LISTEN",
490 /* NG_BTSOCKET_RFCOMM_SESSION_CONNECTING */ "CONNECTING",
491 /* NG_BTSOCKET_RFCOMM_SESSION_CONNECTED */ "CONNECTED",
492 /* NG_BTSOCKET_RFCOMM_SESSION_OPEN */ "OPEN",
493 /* NG_BTSOCKET_RFCOMM_SESSION_DISCONNECTING */ "DISCONNECTING"
496 ng_btsocket_rfcomm_session_p this = NULL, next = NULL;
497 ng_btsocket_rfcomm_session_t s;
504 if (kread(kvmd, addr, (char *) &this, sizeof(this)) < 0)
507 for ( ; this != NULL; this = next) {
508 if (kread(kvmd, (u_long) this, (char *) &s, sizeof(s)) < 0)
510 if (kread(kvmd, (u_long) s.l2so, (char *) &so, sizeof(so)) < 0)
513 next = LIST_NEXT(&s, next);
518 "Active RFCOMM sessions\n" \
519 "%-8.8s %-8.8s %-4.4s %-5.5s %-5.5s %-4.4s %s\n",
530 "%-8lx %-8lx %-4x %-5d %-5d %-4s %s\n",
531 (unsigned long) so.so_pcb,
532 (unsigned long) this,
536 LIST_EMPTY(&s.dlcs)? "No" : "Yes",
542 * Return BD_ADDR as string
546 bdaddrpr(bdaddr_p const ba, char *str, int len)
548 static char buffer[MAXHOSTNAMELEN];
549 struct hostent *he = NULL;
553 len = sizeof(buffer);
556 if (memcmp(ba, NG_HCI_BDADDR_ANY, sizeof(*ba)) == 0) {
563 if (!numeric_bdaddr &&
564 (he = bt_gethostbyaddr((char *)ba, sizeof(*ba), AF_BLUETOOTH)) != NULL) {
565 strlcpy(str, he->h_name, len);
580 kopen(char const *memf)
583 char errbuf[_POSIX2_LINE_MAX];
586 * Discard setgid privileges if not the running kernel so that
587 * bad guys can't print interesting stuff from kernel memory.
593 kvmd = kvm_openfiles(NULL, memf, NULL, O_RDONLY, errbuf);
595 warnx("kvm_openfiles: %s", errbuf);
599 if (kvm_nlist(kvmd, nl) < 0) {
600 warnx("kvm_nlist: %s", kvm_geterr(kvmd));
604 if (nl[0].n_type == 0) {
605 warnx("kvm_nlist: no namelist");
621 kread(kvm_t *kvmd, u_long addr, char *buffer, int size)
623 if (kvmd == NULL || buffer == NULL)
626 if (kvm_read(kvmd, addr, buffer, size) != size) {
627 warnx("kvm_read: %s", kvm_geterr(kvmd));
635 * Print usage and exit
641 fprintf(stdout, "Usage: btsockstat [-M core ] [-n] [-p proto] [-r]\n");