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-rw-r--r--usr.sbin/bluetooth/l2ping/l2ping.c293
1 files changed, 293 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/l2ping/l2ping.c b/usr.sbin/bluetooth/l2ping/l2ping.c
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+++ b/usr.sbin/bluetooth/l2ping/l2ping.c
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+/*
+ * l2ping.c
+ *
+ * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: l2ping.c,v 1.5 2003/05/16 19:54:40 max Exp $
+ * $FreeBSD$
+ */
+
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <assert.h>
+#define L2CAP_SOCKET_CHECKED
+#include <bluetooth.h>
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static void usage (void);
+static void tv_sub (struct timeval *, struct timeval const *);
+static double tv2msec (struct timeval const *);
+
+#undef min
+#define min(x, y) (((x) > (y))? (y) : (x))
+
+static char const pattern[] = "1234567890-";
+#define PATTERN_SIZE (sizeof(pattern) - 1)
+
+/*
+ * Main
+ */
+
+int
+main(int argc, char *argv[])
+{
+ bdaddr_t src, dst;
+ struct hostent *he;
+ uint8_t *echo_data;
+ struct sockaddr_l2cap sa;
+ int32_t n, s, count, wait, flood, echo_size, numeric;
+ char *endp, *rname;
+
+ /* Set defaults */
+ memcpy(&src, NG_HCI_BDADDR_ANY, sizeof(src));
+ memcpy(&dst, NG_HCI_BDADDR_ANY, sizeof(dst));
+
+ echo_data = (uint8_t *) calloc(NG_L2CAP_MAX_ECHO_SIZE, sizeof(uint8_t));
+ if (echo_data == NULL) {
+ fprintf(stderr, "Failed to allocate echo data buffer");
+ exit(1);
+ }
+
+ /*
+ * Set default echo size to the NG_L2CAP_MTU_MINIMUM minus
+ * the size of the L2CAP signalling command header.
+ */
+
+ echo_size = NG_L2CAP_MTU_MINIMUM - sizeof(ng_l2cap_cmd_hdr_t);
+ count = -1; /* unimited */
+ wait = 1; /* sec */
+ flood = 0;
+ numeric = 0;
+
+ /* Parse command line arguments */
+ while ((n = getopt(argc, argv, "a:c:fi:nS:s:h")) != -1) {
+ switch (n) {
+ case 'a':
+ if (!bt_aton(optarg, &dst)) {
+ if ((he = bt_gethostbyname(optarg)) == NULL)
+ errx(1, "%s: %s", optarg, hstrerror(h_errno));
+
+ memcpy(&dst, he->h_addr, sizeof(dst));
+ }
+ break;
+
+ case 'c':
+ count = strtol(optarg, &endp, 10);
+ if (count <= 0 || *endp != '\0')
+ usage();
+ break;
+
+ case 'f':
+ flood = 1;
+ break;
+
+ case 'i':
+ wait = strtol(optarg, &endp, 10);
+ if (wait <= 0 || *endp != '\0')
+ usage();
+ break;
+
+ case 'n':
+ numeric = 1;
+ break;
+
+ case 'S':
+ if (!bt_aton(optarg, &src)) {
+ if ((he = bt_gethostbyname(optarg)) == NULL)
+ errx(1, "%s: %s", optarg, hstrerror(h_errno));
+
+ memcpy(&src, he->h_addr, sizeof(src));
+ }
+ break;
+
+ case 's':
+ echo_size = strtol(optarg, &endp, 10);
+ if (echo_size < sizeof(int32_t) ||
+ echo_size > NG_L2CAP_MAX_ECHO_SIZE ||
+ *endp != '\0')
+ usage();
+ break;
+
+ case 'h':
+ default:
+ usage();
+ break;
+ }
+ }
+
+ if (memcmp(&dst, NG_HCI_BDADDR_ANY, sizeof(dst)) == 0)
+ usage();
+
+ he = bt_gethostbyaddr((const char *)&dst, sizeof(dst), AF_BLUETOOTH);
+ if (he == NULL || he->h_name == NULL || he->h_name[0] == '\0' || numeric)
+ asprintf(&rname, "%s", bt_ntoa(&dst, NULL));
+ else
+ rname = strdup(he->h_name);
+
+ if (rname == NULL)
+ errx(1, "Failed to create remote hostname");
+
+ s = socket(PF_BLUETOOTH, SOCK_RAW, BLUETOOTH_PROTO_L2CAP);
+ if (s < 0)
+ err(2, "Could not create socket");
+
+ memset(&sa, 0, sizeof(sa));
+ sa.l2cap_len = sizeof(sa);
+ sa.l2cap_family = AF_BLUETOOTH;
+ memcpy(&sa.l2cap_bdaddr, &src, sizeof(sa.l2cap_bdaddr));
+
+ if (bind(s, (struct sockaddr *) &sa, sizeof(sa)) < 0)
+ err(3,
+"Could not bind socket, src bdaddr=%s", bt_ntoa(&sa.l2cap_bdaddr, NULL));
+
+ memset(&sa, 0, sizeof(sa));
+ sa.l2cap_len = sizeof(sa);
+ sa.l2cap_family = AF_BLUETOOTH;
+ memcpy(&sa.l2cap_bdaddr, &dst, sizeof(sa.l2cap_bdaddr));
+
+ if (connect(s, (struct sockaddr *) &sa, sizeof(sa)) < 0)
+ err(4,
+"Could not connect socket, dst bdaddr=%s", bt_ntoa(&sa.l2cap_bdaddr, NULL));
+
+ /* Fill pattern */
+ for (n = 0; n < echo_size; ) {
+ int32_t avail = min(echo_size - n, PATTERN_SIZE);
+
+ memcpy(echo_data + n, pattern, avail);
+ n += avail;
+ }
+
+ /* Start ping'ing */
+ for (n = 0; count == -1 || count > 0; n ++) {
+ struct ng_btsocket_l2cap_raw_ping r;
+ struct timeval a, b;
+ int32_t fail;
+
+ if (gettimeofday(&a, NULL) < 0)
+ err(5, "Could not gettimeofday(a)");
+
+ fail = 0;
+ *((int32_t *) echo_data) = htonl(n);
+
+ r.result = 0;
+ r.echo_size = echo_size;
+ r.echo_data = echo_data;
+ if (ioctl(s, SIOC_L2CAP_L2CA_PING, &r, sizeof(r)) < 0) {
+ r.result = errno;
+ fail = 1;
+/*
+ warn("Could not ping, dst bdaddr=%s",
+ bt_ntoa(&r.echo_dst, NULL));
+*/
+ }
+
+ if (gettimeofday(&b, NULL) < 0)
+ err(7, "Could not gettimeofday(b)");
+
+ tv_sub(&b, &a);
+
+ fprintf(stdout,
+"%d bytes from %s seq_no=%d time=%.3f ms result=%#x %s\n",
+ r.echo_size,
+ rname,
+ ntohl(*((int32_t *)(r.echo_data))),
+ tv2msec(&b), r.result,
+ ((fail == 0)? "" : strerror(errno)));
+
+ if (!flood) {
+ /* Wait */
+ a.tv_sec = wait;
+ a.tv_usec = 0;
+ select(0, NULL, NULL, NULL, &a);
+ }
+
+ if (count != -1)
+ count --;
+ }
+
+ free(rname);
+ free(echo_data);
+ close(s);
+
+ return (0);
+} /* main */
+
+/*
+ * a -= b, for timevals
+ */
+
+static void
+tv_sub(struct timeval *a, struct timeval const *b)
+{
+ if (a->tv_usec < b->tv_usec) {
+ a->tv_usec += 1000000;
+ a->tv_sec -= 1;
+ }
+
+ a->tv_usec -= b->tv_usec;
+ a->tv_sec -= b->tv_sec;
+} /* tv_sub */
+
+/*
+ * convert tv to msec
+ */
+
+static double
+tv2msec(struct timeval const *tvp)
+{
+ return(((double)tvp->tv_usec)/1000.0 + ((double)tvp->tv_sec)*1000.0);
+} /* tv2msec */
+
+/*
+ * Usage
+ */
+
+static void
+usage(void)
+{
+ fprintf(stderr, "Usage: l2ping [-fhn] -a remote " \
+ "[-c count] [-i wait] [-S source] [-s size]\n");
+ fprintf(stderr, "Where:\n");
+ fprintf(stderr, " -a remote Specify remote device to ping\n");
+ fprintf(stderr, " -c count Number of packets to send\n");
+ fprintf(stderr, " -f No delay between packets\n");
+ fprintf(stderr, " -h Display this message\n");
+ fprintf(stderr, " -i wait Delay between packets (sec)\n");
+ fprintf(stderr, " -n Numeric output only\n");
+ fprintf(stderr, " -S source Specify source device\n");
+ fprintf(stderr, " -s size Packet size (bytes), " \
+ "between %zd and %zd\n", sizeof(int32_t), NG_L2CAP_MAX_ECHO_SIZE);
+
+ exit(255);
+} /* usage */
+
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