summaryrefslogtreecommitdiffstats
path: root/usr.sbin/bluetooth/btpand/btpand.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/bluetooth/btpand/btpand.c')
-rw-r--r--usr.sbin/bluetooth/btpand/btpand.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/btpand/btpand.c b/usr.sbin/bluetooth/btpand/btpand.c
new file mode 100644
index 0000000..243fcf5
--- /dev/null
+++ b/usr.sbin/bluetooth/btpand/btpand.c
@@ -0,0 +1,294 @@
+/* $NetBSD: btpand.c,v 1.1 2008/08/17 13:20:57 plunky Exp $ */
+
+/*-
+ * Copyright (c) 2008 Iain Hibbert
+ * 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 ``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 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.
+ */
+
+/* $FreeBSD$ */
+
+#include <sys/cdefs.h>
+__COPYRIGHT("@(#) Copyright (c) 2008 Iain Hibbert. All rights reserved.");
+__RCSID("$NetBSD: btpand.c,v 1.1 2008/08/17 13:20:57 plunky Exp $");
+
+#include <sys/wait.h>
+
+#define L2CAP_SOCKET_CHECKED
+#include <bluetooth.h>
+#include <err.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <sdp.h>
+#include <stdio.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "btpand.h"
+
+/* global variables */
+const char * control_path; /* -c <path> */
+const char * interface_name; /* -i <ifname> */
+const char * service_name; /* -s <service> */
+uint16_t service_class;
+
+bdaddr_t local_bdaddr; /* -d <addr> */
+bdaddr_t remote_bdaddr; /* -a <addr> */
+uint16_t l2cap_psm; /* -p <psm> */
+int l2cap_mode; /* -m <mode> */
+
+int server_limit; /* -n <limit> */
+
+static const struct {
+ const char * name;
+ uint16_t class;
+ const char * desc;
+} services[] = {
+ { "PANU", SDP_SERVICE_CLASS_PANU, "Personal Area Networking User" },
+ { "NAP", SDP_SERVICE_CLASS_NAP, "Network Acess Point" },
+ { "GN", SDP_SERVICE_CLASS_GN, "Group Network" },
+};
+
+static void main_exit(int);
+static void main_detach(void);
+static void usage(void);
+
+int
+main(int argc, char *argv[])
+{
+ unsigned long ul;
+ char * ep;
+ int ch, status;
+
+ while ((ch = getopt(argc, argv, "a:c:d:i:l:m:p:S:s:")) != -1) {
+ switch (ch) {
+ case 'a': /* remote address */
+ if (!bt_aton(optarg, &remote_bdaddr)) {
+ struct hostent *he;
+
+ if ((he = bt_gethostbyname(optarg)) == NULL)
+ errx(EXIT_FAILURE, "%s: %s",
+ optarg, hstrerror(h_errno));
+
+ bdaddr_copy(&remote_bdaddr,
+ (bdaddr_t *)he->h_addr);
+ }
+
+ break;
+
+ case 'c': /* control socket path */
+ control_path = optarg;
+ break;
+
+ case 'd': /* local address */
+ if (!bt_devaddr(optarg, &local_bdaddr)) {
+ struct hostent *he;
+
+ if ((he = bt_gethostbyname(optarg)) == NULL)
+ errx(EXIT_FAILURE, "%s: %s",
+ optarg, hstrerror(h_errno));
+
+ bdaddr_copy(&local_bdaddr,
+ (bdaddr_t *)he->h_addr);
+ }
+ break;
+
+ case 'i': /* tap interface name */
+ if (strchr(optarg, '/') == NULL) {
+ asprintf(&ep, "/dev/%s", optarg);
+ interface_name = ep;
+ } else
+ interface_name = optarg;
+ break;
+
+ case 'l': /* limit server sessions */
+ ul = strtoul(optarg, &ep, 10);
+ if (*optarg == '\0' || *ep != '\0' || ul == 0)
+ errx(EXIT_FAILURE, "%s: invalid session limit",
+ optarg);
+
+ server_limit = ul;
+ break;
+
+ case 'm': /* link mode */
+ warnx("Setting link mode is not yet supported");
+ break;
+
+ case 'p': /* protocol/service multiplexer */
+ ul = strtoul(optarg, &ep, 0);
+ if (*optarg == '\0' || *ep != '\0'
+ || ul > 0xffff || L2CAP_PSM_INVALID(ul))
+ errx(EXIT_FAILURE, "%s: invalid PSM", optarg);
+
+ l2cap_psm = ul;
+ break;
+
+ case 's': /* service */
+ case 'S': /* service (no SDP) */
+ for (ul = 0; strcasecmp(optarg, services[ul].name); ul++) {
+ if (ul == __arraycount(services))
+ errx(EXIT_FAILURE, "%s: unknown service", optarg);
+ }
+
+ if (ch == 's')
+ service_name = services[ul].name;
+
+ service_class = services[ul].class;
+ break;
+
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* validate options */
+ if (bdaddr_any(&local_bdaddr) || service_class == 0)
+ usage();
+
+ if (!bdaddr_any(&remote_bdaddr) && (server_limit != 0 ||
+ control_path != 0 || (service_name != NULL && l2cap_psm != 0)))
+ usage();
+
+ /* default options */
+ if (interface_name == NULL)
+ interface_name = "/dev/tap";
+
+ if (l2cap_psm == 0)
+ l2cap_psm = L2CAP_PSM_BNEP;
+
+ if (bdaddr_any(&remote_bdaddr) && server_limit == 0) {
+ if (service_class == SDP_SERVICE_CLASS_PANU)
+ server_limit = 1;
+ else
+ server_limit = 7;
+ }
+
+#ifdef L2CAP_LM_MASTER
+ if (server_limit > 1 && service_class != SDP_SERVICE_CLASS_PANU)
+ l2cap_mode |= L2CAP_LM_MASTER;
+#endif
+
+ /*
+ * fork() now so that the setup can be done in the child process
+ * (as kqueue is not inherited) but block in the parent until the
+ * setup is finished so we can return an error if necessary.
+ */
+ switch(fork()) {
+ case -1: /* bad */
+ err(EXIT_FAILURE, "fork() failed");
+
+ case 0: /* child */
+ signal(SIGPIPE, SIG_IGN);
+
+ openlog(getprogname(), LOG_NDELAY | LOG_PERROR | LOG_PID, LOG_DAEMON);
+
+ channel_init();
+ server_init();
+ event_init();
+ client_init();
+ tap_init();
+
+ main_detach();
+
+ event_dispatch();
+ break;
+
+ default: /* parent */
+ signal(SIGUSR1, main_exit);
+ wait(&status);
+
+ if (WIFEXITED(status))
+ exit(WEXITSTATUS(status));
+
+ break;
+ }
+
+ err(EXIT_FAILURE, "exiting");
+}
+
+static void
+main_exit(int s)
+{
+
+ /* child is all grown up */
+ _exit(EXIT_SUCCESS);
+}
+
+static void
+main_detach(void)
+{
+ int fd;
+
+ if (kill(getppid(), SIGUSR1) == -1)
+ log_err("Could not signal main process: %m");
+
+ if (setsid() == -1)
+ log_err("setsid() failed");
+
+ fd = open(_PATH_DEVNULL, O_RDWR, 0);
+ if (fd == -1) {
+ log_err("Could not open %s", _PATH_DEVNULL);
+ } else {
+ (void)dup2(fd, STDIN_FILENO);
+ (void)dup2(fd, STDOUT_FILENO);
+ (void)dup2(fd, STDERR_FILENO);
+ close(fd);
+ }
+}
+
+static void
+usage(void)
+{
+ const char *p = getprogname();
+ int n = strlen(p);
+
+ fprintf(stderr,
+ "usage: %s [-i ifname] [-m mode] -a address -d device\n"
+ " %*s {-s service | -S service [-p psm]}\n"
+ " %s [-c path] [-i ifname] [-l limit] [-m mode] [-p psm] -d device\n"
+ " %*s {-s service | -S service}\n"
+ "\n"
+ "Where:\n"
+ "\t-a address remote bluetooth device\n"
+ "\t-c path SDP server socket\n"
+ "\t-d device local bluetooth device\n"
+ "\t-i ifname tap interface\n"
+ "\t-l limit limit server sessions\n"
+ "\t-m mode L2CAP link mode (NOT YET SUPPORTED)\n"
+ "\t-p psm L2CAP PSM\n"
+ "\t-S service service name (no SDP)\n"
+ "\t-s service service name\n"
+ "\n"
+ "Known services:\n"
+ "", p, n, "", p, n, "");
+
+ for (n = 0; n < __arraycount(services); n++)
+ fprintf(stderr, "\t%s\t%s\n", services[n].name, services[n].desc);
+
+ exit(EXIT_FAILURE);
+}
OpenPOWER on IntegriCloud