Import bluez-utils-3.36 revision history

1 files changed, 1104 insertions, 0 deletions

diff --git a/test/l2test.c b/test/l2test.c
new file mode 100644
index 00000000..bc57d6b6
--- /dev/null
+++ b/test/l2test.c
@@ -0,0 +1,1104 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2000-2001  Qualcomm Incorporated
+ *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
+ *  Copyright (C) 2002-2008  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <syslog.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/poll.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#include <bluetooth/l2cap.h>
+
+#define NIBBLE_TO_ASCII(c)  ((c) < 0x0a ? (c) + 0x30 : (c) + 0x57)
+
+/* Test modes */
+enum {
+	SEND,
+	RECV,
+	RECONNECT,
+	MULTY,
+	DUMP,
+	CONNECT,
+	CRECV,
+	LSEND,
+	SENDDUMP,
+	LSENDDUMP,
+	INFOREQ
+};
+
+static unsigned char *buf;
+
+/* Default mtu */
+static int imtu = 672;
+static int omtu = 0;
+
+/* Default data size */
+static long data_size = -1;
+
+/* Default addr and psm */
+static bdaddr_t bdaddr;
+static unsigned short psm = 10;
+
+/* Default number of frames to send (-1 = infinite) */
+static int num_frames = -1;
+
+/* Default number of consecutive frames before the delay */
+static int count = 1;
+
+/* Default delay after sending count number of frames */
+static unsigned long delay = 0;
+
+static char *filename = NULL;
+
+static int rfcmode = 0;
+static int master = 0;
+static int auth = 0;
+static int encrypt = 0;
+static int secure = 0;
+static int socktype = SOCK_SEQPACKET;
+static int linger = 0;
+static int reliable = 0;
+static int timestamp = 0;
+
+static float tv2fl(struct timeval tv)
+{
+	return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0);
+}
+
+static char *ltoh(unsigned long c, char* s)
+{
+	int c1;
+
+	c1     = (c >> 28) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >> 24) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >> 20) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >> 16) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >> 12) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >>  8) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = (c >>  4) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = c & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	*s     = 0;
+	return s;
+}
+
+static char *ctoh(char c, char* s)
+{
+	char c1;
+
+	c1     = (c >> 4) & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	c1     = c & 0x0f;
+	*(s++) = NIBBLE_TO_ASCII (c1);
+	*s     = 0;
+	return s;
+}
+
+static void hexdump(unsigned char *s, unsigned long l)
+{
+	char bfr[80];
+	char *pb;
+	unsigned long i, n = 0;
+
+	if (l == 0)
+		return;
+
+	while (n < l) {
+		pb = bfr;
+		pb = ltoh (n, pb);
+		*(pb++) = ':';
+		*(pb++) = ' ';
+		for (i = 0; i < 16; i++) {
+			if (n + i >= l) {
+				*(pb++) = ' ';
+				*(pb++) = ' ';
+			} else
+				pb = ctoh (*(s + i), pb);
+			*(pb++) = ' ';
+		}
+		*(pb++) = ' ';
+		for (i = 0; i < 16; i++) {
+			if (n + i >= l)
+				break;
+			else
+				*(pb++) = (isprint (*(s + i)) ? *(s + i) : '.');
+		}
+		*pb = 0;
+		n += 16;
+		s += 16;
+		puts(bfr);
+	}
+}
+
+static int do_connect(char *svr)
+{
+	struct sockaddr_l2 addr;
+	struct l2cap_options opts;
+	struct l2cap_conninfo conn;
+	socklen_t optlen;
+	int sk, opt;
+
+	/* Create socket */
+	sk = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP);
+	if (sk < 0) {
+		syslog(LOG_ERR, "Can't create socket: %s (%d)",
+							strerror(errno), errno);
+		return -1;
+	}
+
+	/* Bind to local address */
+	memset(&addr, 0, sizeof(addr));
+	addr.l2_family = AF_BLUETOOTH;
+	bacpy(&addr.l2_bdaddr, &bdaddr);
+
+	if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		syslog(LOG_ERR, "Can't bind socket: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Get default options */
+	memset(&opts, 0, sizeof(opts));
+	optlen = sizeof(opts);
+
+	if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+		syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Set new options */
+	opts.omtu = omtu;
+	opts.imtu = imtu;
+	if (rfcmode > 0)
+		opts.mode = rfcmode;
+
+	if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
+		syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+#if 0
+	/* Enable SO_TIMESTAMP */
+	if (timestamp) {
+		int t = 1;
+
+		if (setsockopt(sk, SOL_SOCKET, SO_TIMESTAMP, &t, sizeof(t)) < 0) {
+			syslog(LOG_ERR, "Can't enable SO_TIMESTAMP: %s (%d)",
+							strerror(errno), errno);
+			goto error;
+		}
+	}
+#endif
+
+	/* Enable SO_LINGER */
+	if (linger) {
+		struct linger l = { .l_onoff = 1, .l_linger = linger };
+
+		if (setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
+			syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
+							strerror(errno), errno);
+			goto error;
+		}
+	}
+
+	/* Set link mode */
+	opt = 0;
+	if (reliable)
+		opt |= L2CAP_LM_RELIABLE;
+	if (master)
+		opt |= L2CAP_LM_MASTER;
+	if (auth)
+		opt |= L2CAP_LM_AUTH;
+	if (encrypt)
+		opt |= L2CAP_LM_ENCRYPT;
+	if (secure)
+		opt |= L2CAP_LM_SECURE;
+
+	if (setsockopt(sk, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
+		syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Connect to remote device */
+	memset(&addr, 0, sizeof(addr));
+	addr.l2_family = AF_BLUETOOTH;
+	str2ba(svr, &addr.l2_bdaddr);
+	addr.l2_psm = htobs(psm);
+
+	if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0 ) {
+		syslog(LOG_ERR, "Can't connect: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Get current options */
+	memset(&opts, 0, sizeof(opts));
+	optlen = sizeof(opts);
+
+	if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+		syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Get connection information */
+	memset(&conn, 0, sizeof(conn));
+	optlen = sizeof(conn);
+
+	if (getsockopt(sk, SOL_L2CAP, L2CAP_CONNINFO, &conn, &optlen) < 0) {
+		syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	syslog(LOG_INFO, "Connected [imtu %d, omtu %d, flush_to %d, "
+				"mode %d, handle %d, class 0x%02x%02x%02x]",
+		opts.imtu, opts.omtu, opts.flush_to, opts.mode, conn.hci_handle,
+		conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
+
+	if (data_size > opts.omtu)
+		data_size = opts.omtu;
+
+	return sk;
+
+error:
+	close(sk);
+	return -1;
+}
+
+static void do_listen(void (*handler)(int sk))
+{
+	struct sockaddr_l2 addr;
+	struct l2cap_options opts;
+	struct l2cap_conninfo conn;
+	socklen_t optlen;
+	int sk, nsk, opt;
+	char ba[18];
+
+	/* Create socket */
+	sk = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP);
+	if (sk < 0) {
+		syslog(LOG_ERR, "Can't create socket: %s (%d)",
+							strerror(errno), errno);
+		exit(1);
+	}
+
+	/* Bind to local address */
+	addr.l2_family = AF_BLUETOOTH;
+	bacpy(&addr.l2_bdaddr, &bdaddr);
+	addr.l2_psm = htobs(psm);
+
+	if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		syslog(LOG_ERR, "Can't bind socket: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Set link mode */
+	opt = 0;
+	if (reliable)
+		opt |= L2CAP_LM_RELIABLE;
+	if (master)
+		opt |= L2CAP_LM_MASTER;
+	if (auth)
+		opt |= L2CAP_LM_AUTH;
+	if (encrypt)
+		opt |= L2CAP_LM_ENCRYPT;
+	if (secure)
+		opt |= L2CAP_LM_SECURE;
+
+	if (opt && setsockopt(sk, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
+		syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Get default options */
+	memset(&opts, 0, sizeof(opts));
+	optlen = sizeof(opts);
+
+	if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+		syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Set new options */
+	opts.omtu = omtu;
+	opts.imtu = imtu;
+	if (rfcmode > 0)
+		opts.mode = rfcmode;
+
+	if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
+		syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	if (socktype == SOCK_DGRAM) {
+		handler(sk);
+		return;
+	}
+
+	/* Listen for connections */
+	if (listen(sk, 10)) {
+		syslog(LOG_ERR, "Can not listen on the socket: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	/* Check for socket address */
+	memset(&addr, 0, sizeof(addr));
+	optlen = sizeof(addr);
+
+	if (getsockname(sk, (struct sockaddr *) &addr, &optlen) < 0) {
+		syslog(LOG_ERR, "Can't get socket name: %s (%d)",
+							strerror(errno), errno);
+		goto error;
+	}
+
+	psm = btohs(addr.l2_psm);
+
+	syslog(LOG_INFO, "Waiting for connection on psm %d ...", psm);
+
+	while(1) {
+		memset(&addr, 0, sizeof(addr));
+		optlen = sizeof(addr);
+
+		nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
+		if (nsk < 0) {
+			syslog(LOG_ERR, "Accept failed: %s (%d)",
+							strerror(errno), errno);
+			goto error;
+		}
+		if (fork()) {
+			/* Parent */
+			close(nsk);
+			continue;
+		}
+		/* Child */
+		close(sk);
+
+		/* Get current options */
+		memset(&opts, 0, sizeof(opts));
+		optlen = sizeof(opts);
+
+		if (getsockopt(nsk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+			syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)",
+							strerror(errno), errno);
+			close(nsk);
+			goto error;
+		}
+
+		/* Get connection information */
+		memset(&conn, 0, sizeof(conn));
+		optlen = sizeof(conn);
+
+		if (getsockopt(nsk, SOL_L2CAP, L2CAP_CONNINFO, &conn, &optlen) < 0) {
+			syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)",
+							strerror(errno), errno);
+			close(nsk);
+			goto error;
+		}
+
+		ba2str(&addr.l2_bdaddr, ba);
+		syslog(LOG_INFO, "Connect from %s [imtu %d, omtu %d, flush_to %d, "
+					"mode %d, handle %d, class 0x%02x%02x%02x]",
+			ba, opts.imtu, opts.omtu, opts.flush_to, opts.mode, conn.hci_handle,
+			conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
+
+#if 0
+		/* Enable SO_TIMESTAMP */
+		if (timestamp) {
+			int t = 1;
+
+			if (setsockopt(nsk, SOL_SOCKET, SO_TIMESTAMP, &t, sizeof(t)) < 0) {
+				syslog(LOG_ERR, "Can't enable SO_TIMESTAMP: %s (%d)",
+							strerror(errno), errno);
+				goto error;
+			}
+		}
+#endif
+
+		/* Enable SO_LINGER */
+		if (linger) {
+			struct linger l = { .l_onoff = 1, .l_linger = linger };
+
+			if (setsockopt(nsk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
+				syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
+							strerror(errno), errno);
+				close(nsk);
+				goto error;
+			}
+		}
+
+		handler(nsk);
+
+		syslog(LOG_INFO, "Disconnect: %m");
+		exit(0);
+	}
+
+	return;
+
+error:
+	close(sk);
+	exit(1);
+}
+
+static void dump_mode(int sk)
+{
+	socklen_t optlen;
+	int opt, len;
+
+	syslog(LOG_INFO, "Receiving ...");
+	while (1) {
+		fd_set rset;
+
+		FD_ZERO(&rset);
+		FD_SET(sk, &rset);
+
+		if (select(sk + 1, &rset, NULL, NULL, NULL) < 0)
+			return;
+
+		if (!FD_ISSET(sk, &rset))
+			continue;
+
+		len = read(sk, buf, data_size);
+		if (len <= 0) {
+			if (len < 0) {
+				if (reliable && (errno == ECOMM)) {
+					syslog(LOG_INFO, "L2CAP Error ECOMM - clearing error and continuing.");
+					optlen = sizeof(opt);
+					if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &opt, &optlen) < 0) {
+						syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)",
+							strerror(errno), errno);
+						return;
+					}
+					continue;
+				} else {
+					syslog(LOG_ERR, "Read error: %s(%d)",
+							strerror(errno), errno);
+				}
+			}
+			return;
+		}
+
+		syslog(LOG_INFO, "Recevied %d bytes", len);
+		hexdump(buf, len);
+	}
+}
+
+static void recv_mode(int sk)
+{
+	struct timeval tv_beg, tv_end, tv_diff;
+	struct pollfd p;
+	char ts[30];
+	long total;
+	uint32_t seq;
+	socklen_t optlen;
+	int opt;
+
+	syslog(LOG_INFO, "Receiving ...");
+
+	memset(ts, 0, sizeof(ts));
+
+	p.fd = sk;
+	p.events = POLLIN | POLLERR | POLLHUP;
+
+	seq = 0;
+	while (1) {
+		gettimeofday(&tv_beg, NULL);
+		total = 0;
+		while (total < data_size) {
+			uint32_t sq;
+			uint16_t l;
+			int i, len;
+
+			p.revents = 0;
+			if (poll(&p, 1, -1) <= 0)
+				return;
+
+			if (p.revents & (POLLERR | POLLHUP))
+				return;
+
+			len = recv(sk, buf, data_size, 0);
+			if (len < 0) {
+				if (reliable && (errno == ECOMM)) {
+					syslog(LOG_INFO, "L2CAP Error ECOMM - clearing error and continuing.\n");
+					optlen = sizeof(opt);
+					if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &opt, &optlen) < 0) {
+						syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)",
+							strerror(errno), errno);
+						return;
+					}
+					continue;
+				} else {
+					syslog(LOG_ERR, "Read failed: %s (%d)",
+						strerror(errno), errno);
+				}
+			}
+
+			if (len < 6)
+				break;
+
+			if (timestamp) {
+				struct timeval tv;
+
+				if (ioctl(sk, SIOCGSTAMP, &tv) < 0) {
+					timestamp = 0;
+					memset(ts, 0, sizeof(ts));
+				} else {
+					sprintf(ts, "[%ld.%ld] ",
+							tv.tv_sec, tv.tv_usec);
+				}
+			}
+
+			/* Check sequence */
+			sq = btohl(*(uint32_t *) buf);
+			if (seq != sq) {
+				syslog(LOG_INFO, "seq missmatch: %d -> %d", seq, sq);
+				seq = sq;
+			}
+			seq++;
+
+			/* Check length */
+			l = btohs(*(uint16_t *) (buf + 4));
+			if (len != l) {
+				syslog(LOG_INFO, "size missmatch: %d -> %d", len, l);
+				continue;
+			}
+
+			/* Verify data */
+			for (i = 6; i < len; i++) {
+				if (buf[i] != 0x7f)
+					syslog(LOG_INFO, "data missmatch: byte %d 0x%2.2x", i, buf[i]);
+			}
+
+			total += len;
+		}
+		gettimeofday(&tv_end, NULL);
+
+		timersub(&tv_end, &tv_beg, &tv_diff);
+
+		syslog(LOG_INFO,"%s%ld bytes in %.2f sec, %.2f kB/s", ts, total,
+			tv2fl(tv_diff), (float)(total / tv2fl(tv_diff) ) / 1024.0);
+	}
+}
+
+static void do_send(int sk)
+{
+	uint32_t seq;
+	int i, fd, len;
+
+	syslog(LOG_INFO, "Sending ...");
+
+	if (filename) {
+		fd = open(filename, O_RDONLY);
+		if (fd < 0) {
+			syslog(LOG_ERR, "Open failed: %s (%d)",
+							strerror(errno), errno);
+			exit(1);
+		}
+		len = read(fd, buf, data_size);
+		send(sk, buf, len, 0);
+		return;
+	} else {
+		for (i = 6; i < data_size; i++)
+			buf[i] = 0x7f;
+	}
+
+	seq = 0;
+	while ((num_frames == -1) || (num_frames-- > 0)) {
+		*(uint32_t *) buf = htobl(seq);
+		*(uint16_t *) (buf + 4) = htobs(data_size);
+		seq++;
+
+		len = send(sk, buf, data_size, 0);
+		if (len < 0 || len != data_size) {
+			syslog(LOG_ERR, "Send failed: %s (%d)",
+							strerror(errno), errno);
+			exit(1);
+		}
+
+		if (num_frames && delay && count && !(seq % count))
+			usleep(delay);
+	}
+}
+
+static void send_mode(int sk)
+{
+	do_send(sk);
+
+	syslog(LOG_INFO, "Closing channel ...");
+	if (shutdown(sk, SHUT_RDWR) < 0)
+		syslog(LOG_INFO, "Close failed: %m");
+	else
+		syslog(LOG_INFO, "Done");
+}
+
+static void senddump_mode(int sk)
+{
+	do_send(sk);
+
+	dump_mode(sk);
+}
+
+static void reconnect_mode(char *svr)
+{
+	while (1) {
+		int sk = do_connect(svr);
+		close(sk);
+	}
+}
+
+static void connect_mode(char *svr)
+{
+	struct pollfd p;
+	int sk;
+
+	if ((sk = do_connect(svr)) < 0)
+		exit(1);
+
+	p.fd = sk;
+	p.events = POLLERR | POLLHUP;
+
+	while (1) {
+		p.revents = 0;
+		if (poll(&p, 1, 500))
+			break;
+	}
+
+	syslog(LOG_INFO, "Disconnected");
+
+	close(sk);
+}
+
+static void multi_connect_mode(int argc, char *argv[])
+{
+	int i, n, sk;
+
+	while (1) {
+		for (n = 0; n < argc; n++) {
+			for (i = 0; i < count; i++) {
+				if (fork())
+					continue;
+
+				/* Child */
+				sk = do_connect(argv[n]);
+				usleep(500);
+				close(sk);
+				exit(0);
+			}
+		}
+		sleep(4);
+	}
+}
+
+static void info_request(char *svr)
+{
+	unsigned char buf[48];
+	l2cap_cmd_hdr *cmd = (l2cap_cmd_hdr *) buf;
+	l2cap_info_req *req = (l2cap_info_req *) (buf + L2CAP_CMD_HDR_SIZE);
+	l2cap_info_rsp *rsp = (l2cap_info_rsp *) (buf + L2CAP_CMD_HDR_SIZE);
+	uint16_t mtu;
+	uint32_t mask;
+	struct sockaddr_l2 addr;
+	int sk, err;
+
+	sk = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP);
+	if (sk < 0) {
+		perror("Can't create socket");
+		return;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.l2_family = AF_BLUETOOTH;
+	bacpy(&addr.l2_bdaddr, &bdaddr);
+
+	if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("Can't bind socket");
+		goto failed;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.l2_family = AF_BLUETOOTH;
+	str2ba(svr, &addr.l2_bdaddr);
+
+	if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0 ) {
+		perror("Can't connect socket");
+		goto failed;
+	}
+
+	memset(buf, 0, sizeof(buf));
+	cmd->code  = L2CAP_INFO_REQ;
+	cmd->ident = 42;
+	cmd->len   = htobs(2);
+	req->type  = htobs(0x0001);
+
+	if (send(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_REQ_SIZE, 0) < 0) {
+		perror("Can't send info request");
+		goto failed;
+	}
+
+	err = recv(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_RSP_SIZE + 2, 0);
+	if (err < 0) {
+		perror("Can't receive info response");
+		goto failed;
+	}
+
+	switch (btohs(rsp->result)) {
+	case 0x0000:
+		mtu = btohs(bt_get_unaligned((uint16_t *) rsp->data));
+		printf("Connectionless MTU size is %d\n", mtu);
+		break;
+	case 0x0001:
+		printf("Connectionless MTU is not supported\n");
+		break;
+	}
+
+	memset(buf, 0, sizeof(buf));
+	cmd->code  = L2CAP_INFO_REQ;
+	cmd->ident = 42;
+	cmd->len   = htobs(2);
+	req->type  = htobs(0x0002);
+
+	if (send(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_REQ_SIZE, 0) < 0) {
+		perror("Can't send info request");
+		goto failed;
+	}
+
+	err = recv(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_RSP_SIZE + 4, 0);
+	if (err < 0) {
+		perror("Can't receive info response");
+		goto failed;
+	}
+
+	switch (btohs(rsp->result)) {
+	case 0x0000:
+		mask = btohl(bt_get_unaligned((uint32_t *) rsp->data));
+		printf("Extended feature mask is 0x%04x\n", mask);
+		if (mask & 0x01)
+			printf("  Flow control mode\n");
+		if (mask & 0x02)
+			printf("  Retransmission mode\n");
+		if (mask & 0x04)
+			printf("  Bi-directional QoS\n");
+		break;
+	case 0x0001:
+		printf("Extended feature mask is not supported\n");
+		break;
+	}
+
+failed:
+	close(sk);
+}
+
+static void usage(void)
+{
+	printf("l2test - L2CAP testing\n"
+		"Usage:\n");
+	printf("\tl2test <mode> [options] [bdaddr]\n");
+	printf("Modes:\n"
+		"\t-r listen and receive\n"
+		"\t-w listen and send\n"
+		"\t-d listen and dump incoming data\n"
+		"\t-x listen, then send, then dump incoming data\n"
+		"\t-s connect and send\n"
+		"\t-u connect and receive\n"
+		"\t-n connect and be silent\n"
+		"\t-y connect, then send, then dump incoming data\n"
+		"\t-c connect, disconnect, connect, ...\n"
+		"\t-m multiple connects\n"
+		"\t-z information request\n");
+
+	printf("Options:\n"
+		"\t[-b bytes] [-i device] [-P psm]\n"
+		"\t[-I imtu] [-O omtu]\n"
+		"\t[-L seconds] enable SO_LINGER\n"
+		"\t[-B filename] use data packets from file\n"
+		"\t[-N num] send num frames (default = infinite)\n"
+		"\t[-C num] send num frames before delay (default = 1)\n"
+		"\t[-D milliseconds] delay after sending num frames (default = 0)\n"
+		"\t[-X mode] select retransmission/flow-control mode\n"
+		"\t[-R] reliable mode\n"
+		"\t[-G] use connectionless channel (datagram)\n"
+		"\t[-A] request authentication\n"
+		"\t[-E] request encryption\n"
+		"\t[-S] secure connection\n"
+		"\t[-M] become master\n"
+		"\t[-T] enable timestamps\n");
+}
+
+int main(int argc, char *argv[])
+{
+	struct sigaction sa;
+	int opt, sk, mode = RECV, need_addr = 0;
+
+	bacpy(&bdaddr, BDADDR_ANY);
+
+	while ((opt=getopt(argc,argv,"rdscuwmnxyzb:i:P:I:O:B:N:L:C:D:X:RGAESMT")) != EOF) {
+		switch(opt) {
+		case 'r':
+			mode = RECV;
+			break;
+
+		case 's':
+			mode = SEND;
+			need_addr = 1;
+			break;
+
+		case 'w':
+			mode = LSEND;
+			break;
+
+		case 'u':
+			mode = CRECV;
+			need_addr = 1;
+			break;
+
+		case 'd':
+			mode = DUMP;
+			break;
+
+		case 'c':
+			mode = RECONNECT;
+			need_addr = 1;
+			break;
+
+		case 'n':
+			mode = CONNECT;
+			need_addr = 1;
+			break;
+
+		case 'm':
+			mode = MULTY;
+			need_addr = 1;
+			break;
+
+		case 'x':
+			mode = LSENDDUMP;
+			break;
+
+		case 'y':
+			mode = SENDDUMP;
+			break;
+
+		case 'z':
+			mode = INFOREQ;
+			need_addr = 1;
+			break;
+
+		case 'b':
+			data_size = atoi(optarg);
+			break;
+
+		case 'i':
+			if (!strncasecmp(optarg, "hci", 3))
+				hci_devba(atoi(optarg + 3), &bdaddr);
+			else
+				str2ba(optarg, &bdaddr);
+			break;
+
+		case 'P':
+			psm = atoi(optarg);
+			break;
+
+		case 'I':
+			imtu = atoi(optarg);
+			break;
+
+		case 'O':
+			omtu = atoi(optarg);
+			break;
+
+		case 'L':
+			linger = atoi(optarg);
+			break;
+
+		case 'B':
+			filename = strdup(optarg);
+			break;
+
+		case 'N':
+			num_frames = atoi(optarg);
+			break;
+
+		case 'C':
+			count = atoi(optarg);
+			break;
+
+		case 'D':
+			delay = atoi(optarg) * 1000;
+			break;
+
+		case 'X':
+			rfcmode = atoi(optarg);
+			break;
+
+		case 'R':
+			reliable = 1;
+			break;
+
+		case 'M':
+			master = 1;
+			break;
+
+		case 'A':
+			auth = 1;
+			break;
+
+		case 'E':
+			encrypt = 1;
+			break;
+
+		case 'S':
+			secure = 1;
+			break;
+
+		case 'G':
+			socktype = SOCK_DGRAM;
+			break;
+
+		case 'T':
+			timestamp = 1;
+			break;
+
+		default:
+			usage();
+			exit(1);
+		}
+	}
+
+	if (need_addr && !(argc - optind)) {
+		usage();
+		exit(1);
+	}
+
+	if (data_size < 0) {
+		data_size = 48;
+		if (imtu > data_size)
+			data_size = imtu;
+		if (omtu > data_size)
+			data_size = omtu;
+	}
+
+	if (!(buf = malloc(data_size))) {
+		perror("Can't allocate data buffer");
+		exit(1);
+	}
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = SIG_IGN;
+	sa.sa_flags   = SA_NOCLDSTOP;
+	sigaction(SIGCHLD, &sa, NULL);
+
+	openlog("l2test", LOG_PERROR | LOG_PID, LOG_LOCAL0);
+
+	switch (mode) {
+		case RECV:
+			do_listen(recv_mode);
+			break;
+
+		case CRECV:
+			sk = do_connect(argv[optind]);
+			if (sk < 0)
+				exit(1);
+			recv_mode(sk);
+			break;
+
+		case DUMP:
+			do_listen(dump_mode);
+			break;
+
+		case SEND:
+			sk = do_connect(argv[optind]);
+			if (sk < 0)
+				exit(1);
+			send_mode(sk);
+			break;
+
+		case LSEND:
+			do_listen(send_mode);
+			break;
+
+		case RECONNECT:
+			reconnect_mode(argv[optind]);
+			break;
+
+		case MULTY:
+			multi_connect_mode(argc - optind, argv + optind);
+			break;
+
+		case CONNECT:
+			connect_mode(argv[optind]);
+			break;
+
+		case SENDDUMP:
+			sk = do_connect(argv[optind]);
+			if (sk < 0)
+				exit(1);
+			senddump_mode(sk);
+			break;
+
+		case LSENDDUMP:
+			do_listen(senddump_mode);
+			break;
+
+		case INFOREQ:
+			info_request(argv[optind]);
+			exit(0);
+	}
+
+	syslog(LOG_INFO, "Exit");
+
+	closelog();
+
+	return 0;
+}