This patch adds general functionality of bnep connect and listen.
---
tools/bneptest.c | 711 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 707 insertions(+), 4 deletions(-)
diff --git a/tools/bneptest.c b/tools/bneptest.c
index 619427b..b694055 100644
--- a/tools/bneptest.c
+++ b/tools/bneptest.c
@@ -26,33 +26,570 @@
#endif
#include <stdio.h>
+#include <signal.h>
#include <stdlib.h>
#include <getopt.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <linux/sockios.h>
+#include <netinet/in.h>
+#include <linux/if_bridge.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
#include <glib.h>
#include "src/log.h"
+#include "btio/btio.h"
+#include "lib/bnep.h"
+#include "profiles/network/bnep.h"
+
+enum {
+ MODE_NONE,
+ MODE_CONNECT,
+ MODE_LISTEN,
+};
static GMainLoop *mloop;
+static GIOChannel *bnep_io;
+
+static int mode;
+static bool no_close_after_disconn;
+static int send_frame_timeout;
+
+static bdaddr_t src_addr, dst_addr;
+static char iface[16];
+static char bridge[16];
+static bool send_ctrl_msg_type_set;
+static uint8_t ctrl_msg_type;
+static bool send_bnep_msg_type_set;
+static uint8_t bnep_msg_type;
+static int ctrl_msg_retransmition_nb;
+static int bnep_msg_retransmission_nb;
+static uint16_t local_role = BNEP_SVC_PANU;
+static uint16_t remote_role = BNEP_SVC_NAP;
+static uint16_t ntw_proto_down_range;
+static uint16_t ntw_proto_up_range = 0xdc05;
+static uint16_t ntw_proto_type;
+static uint8_t mcast_addr_down_range[6];
+static uint8_t mcast_addr_up_range[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+static uint8_t src_hw_addr[6];
+static uint8_t dst_hw_addr[6];
+static uint8_t general_frame_payload[] = "abcdef0123456789_bnep_test_data";
+static struct bnep *session;
+
+
+static int set_forward_delay(int sk)
+{
+ unsigned long args[4] = { BRCTL_SET_BRIDGE_FORWARD_DELAY, 0, 0, 0 };
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
+ ifr.ifr_data = (char *) args;
+
+ if (ioctl(sk, SIOCDEVPRIVATE, &ifr) < 0) {
+ error("setting forward delay failed: %d (%s)",
+ errno, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int nap_create_bridge(void)
+{
+ int sk, err;
+
+ sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
+ if (sk < 0)
+ return -EOPNOTSUPP;
+
+ if (ioctl(sk, SIOCBRADDBR, bridge) < 0) {
+ err = -errno;
+ if (err != -EEXIST) {
+ close(sk);
+ return -EOPNOTSUPP;
+ }
+ }
+
+ err = set_forward_delay(sk);
+ if (err < 0) {
+ printf("failed to set forward delay\n");
+ ioctl(sk, SIOCBRDELBR, bridge);
+ }
+
+ close(sk);
+
+ return err;
+}
+
+static int cleanup(void)
+{
+ bnep_cleanup();
+
+ if (mode == MODE_LISTEN)
+ bnep_server_delete(bridge, iface, &dst_addr);
+
+ if (bnep_io) {
+ g_io_channel_shutdown(bnep_io, TRUE, NULL);
+ g_io_channel_unref(bnep_io);
+ }
+
+ return 0;
+}
+
+static gboolean bnep_watchdog_cb(GIOChannel *chan, GIOCondition cond,
+ gpointer user_data)
+{
+ printf("%s\n", __func__);
+
+ if (no_close_after_disconn)
+ return FALSE;
+
+ /* Cleanup since it's called when disconnected l2cap */
+ if (cleanup() < 0) {
+ printf("cleanup went wrong...\n");
+ return FALSE;
+ }
+
+ g_main_loop_quit(mloop);
+ return FALSE;
+}
+
+static ssize_t send_compressed_frame(int sk, uint8_t type)
+{
+ uint8_t frame[100];
+
+ printf("%s\n", __func__);
+
+ if (send_frame_timeout > 0) {
+ printf("waiting %d seconds before sending msg\n",
+ send_frame_timeout);
+ sleep(send_frame_timeout);
+ }
+
+ frame[0] = type;
+ memcpy(&frame[1], dst_hw_addr, sizeof(dst_hw_addr));
+ memcpy(&frame[7], src_hw_addr, sizeof(src_hw_addr));
+ frame[13] = ntw_proto_type & 0xff;
+ frame[14] = (ntw_proto_type >> 8);
+ memcpy(&frame[15], general_frame_payload,
+ sizeof(general_frame_payload));
+
+ /* TODO - set frame payload by user */
+ return send(sk, frame, 15 + sizeof(general_frame_payload), 0);
+}
+
+static ssize_t send_general_frame(int sk)
+{
+ uint8_t frame[100];
+
+ printf("%s\n", __func__);
+
+ if (send_frame_timeout > 0) {
+ printf("waiting %d seconds before sending msg\n",
+ send_frame_timeout);
+ sleep(send_frame_timeout);
+ }
+
+ frame[0] = BNEP_GENERAL;
+ memcpy(&frame[1], dst_hw_addr, sizeof(dst_hw_addr));
+ memcpy(&frame[7], src_hw_addr, sizeof(src_hw_addr));
+ frame[13] = ntw_proto_type & 0xff;
+ frame[14] = (ntw_proto_type >> 8);
+ memcpy(&frame[15], general_frame_payload,
+ sizeof(general_frame_payload));
+
+ /* TODO - set frame payload by user */
+ return send(sk, frame, 15 + sizeof(general_frame_payload), 0);
+}
+
+static ssize_t send_ctrl_frame(int sk)
+{
+ /* Max buff size = type(1byte) + ctrl(1byte) + len(2byte) +
+ * mcast_addr_down(6byte) + mcast_addr_up(6byte) */
+ uint8_t buff[16];
+ int err;
+
+ printf("%s\n", __func__);
+
+ if (send_frame_timeout > 0) {
+ printf("waiting %d seconds before sending msg\n",
+ send_frame_timeout);
+ sleep(send_frame_timeout);
+ }
+
+ switch (ctrl_msg_type) {
+ case BNEP_FILTER_NET_TYPE_SET: {
+ struct bnep_set_filter_req *frame = (void *)buff;
+
+ frame->type = BNEP_CONTROL;
+ frame->ctrl = ctrl_msg_type;
+ frame->len = htons(sizeof(ntw_proto_down_range) +
+ sizeof(ntw_proto_up_range));
+ memcpy(frame->list, &ntw_proto_down_range,
+ sizeof(ntw_proto_down_range));
+ memcpy(frame->list + sizeof(ntw_proto_down_range),
+ &ntw_proto_up_range, sizeof(ntw_proto_up_range));
+
+ err = send(sk, frame, sizeof(*frame) +
+ sizeof(ntw_proto_down_range) +
+ sizeof(ntw_proto_up_range), 0);
+
+ break;
+
+ }
+ case BNEP_FILTER_MULT_ADDR_SET: {
+ struct bnep_set_filter_req *frame = (void *)buff;
+
+ frame->type = BNEP_CONTROL;
+ frame->ctrl = ctrl_msg_type;
+ frame->len = htons(sizeof(mcast_addr_down_range) +
+ sizeof(mcast_addr_up_range));
+ memcpy(frame->list, mcast_addr_down_range,
+ sizeof(mcast_addr_down_range));
+ memcpy(frame->list + sizeof(mcast_addr_down_range),
+ mcast_addr_up_range, sizeof(mcast_addr_up_range));
+
+ err = send(sk, frame, sizeof(*frame) +
+ sizeof(mcast_addr_down_range) +
+ sizeof(mcast_addr_up_range), 0);
+
+ break;
+
+ }
+ default:
+ err = -1;
+ }
+
+ return err;
+}
+
+static int send_bnep_frame(int sk)
+{
+ int err = 0;
+
+ switch (bnep_msg_type) {
+ case BNEP_GENERAL:
+ err = send_general_frame(sk);
+
+ break;
+
+ case BNEP_COMPRESSED:
+ err = send_compressed_frame(sk, BNEP_COMPRESSED);
+
+ break;
+
+ case BNEP_COMPRESSED_SRC_ONLY:
+ err = send_compressed_frame(sk,
+ BNEP_COMPRESSED_SRC_ONLY);
+
+ break;
+
+ case BNEP_COMPRESSED_DST_ONLY:
+ err = send_compressed_frame(sk,
+ BNEP_COMPRESSED_DST_ONLY);
+
+ break;
+
+ default:
+ printf("wrong bnep_msg_type 0x%02x\n", bnep_msg_type);
+ }
+
+ return err;
+}
+
+static void handle_bnep_msg_send(int sk)
+{
+ if (send_ctrl_msg_type_set) {
+ do {
+ if (send_ctrl_frame(sk) < 0)
+ printf("sending ctrl frame error: %s (%d)\n",
+ strerror(errno), errno);
+ } while (!ctrl_msg_retransmition_nb--);
+ }
+
+ if (send_bnep_msg_type_set) {
+ do {
+ if (send_bnep_frame(sk) < 0)
+ printf("sending bnep frame error: %s (%d)\n",
+ strerror(errno), errno);
+ } while (!bnep_msg_retransmission_nb--);
+ }
+}
+
+static gboolean setup_bnep_cb(GIOChannel *chan, GIOCondition cond,
+ gpointer user_data)
+{
+ uint8_t packet[BNEP_MTU];
+ int sk, n, err;
+
+ printf("%s\n", __func__);
+
+ if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL)) {
+ error("hangup or error or inval on BNEP socket");
+ return FALSE;
+ }
+
+ sk = g_io_channel_unix_get_fd(chan);
+
+ /* Reading BNEP_SETUP_CONNECTION_REQUEST_MSG */
+ n = read(sk, packet, sizeof(packet));
+ if (n < 0) {
+ error("read(): %s(%d)", strerror(errno), errno);
+ return FALSE;
+ }
+
+ err = nap_create_bridge();
+ if (err < 0) {
+ error("failed to create bridge: %s (%d)", strerror(-err), err);
+ return FALSE;
+ }
+
+ if (bnep_server_add(sk, (err < 0) ? NULL : bridge, iface, &dst_addr,
+ packet, n) < 0) {
+ printf("server_connadd failed\n");
+ cleanup();
+ return FALSE;
+ }
+
+ g_io_add_watch(chan, G_IO_HUP | G_IO_ERR | G_IO_NVAL, bnep_watchdog_cb,
+ NULL);
+
+ handle_bnep_msg_send(sk);
+
+ g_io_channel_unref(bnep_io);
+ bnep_io = NULL;
+
+ return FALSE;
+}
+
+static void connect_cb(GIOChannel *chan, GError *err, gpointer user_data)
+{
+ printf("%s\n", __func__);
+
+ if (err) {
+ error("%s", err->message);
+ return;
+ }
+
+ g_io_add_watch(chan, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ setup_bnep_cb, NULL);
+}
+
+static void connected_client_cb(char *iface, int err, void *data)
+{
+ int sk = *((int *)data);
+
+ printf("%s\n", __func__);
+
+ free(data);
+
+ handle_bnep_msg_send(sk);
+}
+
+static void disconnected_client_cb(void *data)
+{
+ printf("%s\n", __func__);
+
+ if (no_close_after_disconn)
+ return;
+
+ /* Cleanup since it's called when disconnected l2cap */
+ if (cleanup() < 0) {
+ printf("cleanup went wrong...\n");
+ return;
+ }
+
+ g_main_loop_quit(mloop);
+}
+
+static void connect_client_cb(GIOChannel *chan, GError *err, gpointer user_data)
+{
+ int perr;
+ int *sk;
+
+ sk = malloc(sizeof(*sk));
+
+ *sk = g_io_channel_unix_get_fd(bnep_io);
+
+ session = bnep_new(*sk, local_role, remote_role, bridge);
+ if (!session) {
+ printf("cannot create bnep session\n");
+ free(sk);
+ return;
+ }
+
+ perr = bnep_connect(session, connected_client_cb,
+ disconnected_client_cb, sk, NULL);
+ if (perr < 0)
+ printf("cannot initiate bnep connection\n");
+}
+
+static void confirm_cb(GIOChannel *chan, gpointer data)
+{
+ GError *err = NULL;
+ char address[18];
+
+ printf("%s\n", __func__);
+
+ bt_io_get(chan, &err, BT_IO_OPT_DEST_BDADDR, &dst_addr, BT_IO_OPT_DEST,
+ address, BT_IO_OPT_INVALID);
+ if (err) {
+ error("%s", err->message);
+ g_error_free(err);
+ return;
+ }
+
+ printf("incoming connection from: %s\n", address);
+
+ bnep_io = g_io_channel_ref(chan);
+ g_io_channel_set_close_on_unref(bnep_io, TRUE);
+
+ if (!bt_io_accept(bnep_io, connect_cb, NULL, NULL, &err)) {
+ error("bt_io_accept: %s", err->message);
+ g_error_free(err);
+ }
+}
+
+static int bnep_server_listen(void)
+{
+ GError *gerr = NULL;
+
+ printf("%s\n", __func__);
+
+ bnep_io = bt_io_listen(NULL, confirm_cb, NULL, NULL, &gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &src_addr,
+ BT_IO_OPT_PSM, BNEP_PSM,
+ BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_LOW,
+ BT_IO_OPT_OMTU, BNEP_MTU,
+ BT_IO_OPT_IMTU, BNEP_MTU,
+ BT_IO_OPT_INVALID);
+
+ if (!bnep_io) {
+ printf("can't start server listening: err %s\n", gerr->message);
+ g_error_free(gerr);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int bnep_client_connect(void)
+{
+ GError *gerr = NULL;
+ char *dst_addr_str = batostr(&dst_addr);
+
+ printf("%s\n", __func__);
+
+ printf("connecting %s\n", dst_addr_str);
+ free(dst_addr_str);
+
+ bnep_io = bt_io_connect(connect_client_cb, NULL, NULL, &gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &src_addr,
+ BT_IO_OPT_DEST_BDADDR, &dst_addr,
+ BT_IO_OPT_PSM, BNEP_PSM,
+ BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
+ BT_IO_OPT_OMTU, BNEP_MTU,
+ BT_IO_OPT_IMTU, BNEP_MTU,
+ BT_IO_OPT_INVALID);
+
+ if (!bnep_io) {
+ printf("cannot connect: err %s\n", gerr->message);
+ g_error_free(gerr);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void exit_handler(int sig)
+{
+ printf("got sig = %d, cleaning up...\n", sig);
+
+ if (cleanup() < 0)
+ printf("cleanup failure...\n");
+ else
+ printf("cleanup successful - exit\n");
+
+ exit(0);
+}
static void usage(void)
{
printf("bneptest - BNEP testing ver %s\n", VERSION);
printf("Usage:\n"
- "\tbneptest [options]\n");
+ "\tbneptest [-i] -b <bridge name> -n <iface name>"
+ " <connection mode> [send_ctrl_cmd] [options]\n"
+ "\t-i hci dev number <hci number>, def. 0\n"
+ "\t-b bridge name <string>\n"
+ "\t-n interface name <string>\n");
+ printf("Connect Mode:\n"
+ "\t-c connect <dst_addr>\n"
+ "\t-r remote role <16 bit svc value>\n"
+ "\t-l local role <16 bit svc valu>\n");
+ printf("Listen Mode:\n"
+ "\t-s start server listening\n");
+ printf("Send control command:\n"
+ "\t-t send message type <control msg type>, def. 0\n"
+ "\t-e start network protocol type range <16 bit val>, def. 0\n"
+ "\t-d end network protocol type range <16 bit val>, def. 1500\n"
+ "\t-g start multicast addr range <xx:xx:xx:xx:xx:xx>, def. 0\n"
+ "\t-j end multicast addr range <xx:xx:xx:xx:xx:xx>, def. f\n"
+ "\t-y number of ctrl frame retransmission <integer>, def. 0\n"
+ "\t-u number of bnep frame retransmission <integer>, def. 0\n");
+ printf("Send bnep generic frame:\n"
+ "\t-w send bnep generic frame <bnep generic type>, def. 0\n"
+ "\t-k set src mac addr <xx:xx:xx:xx:xx:xx>, def. 0\n"
+ "\t-f set dst mac addr <xx:xx:xx:xx:xx:xx>, def. 0\n");
+ printf("Options:\n"
+ "\t-T send message timeout after setup <seconds>\n"
+ "\t-N don't close bneptest after disconnect\n");
}
static struct option main_options[] = {
- { "help", 0, 0, 'h' },
+ { "device", 1, 0, 'i' },
+ { "listen", 0, 0, 's' },
+ { "connect", 1, 0, 'c' },
+ { "snd_ctrl_msg_type", 1, 0, 't' },
+ { "snd_bnep_msg_type", 1, 0, 'w' },
+ { "src_hw_addr", 1, 0, 'k' },
+ { "dst_hw_addr", 1, 0, 'f' },
+ { "send_timeout", 1, 0, 'T' },
+ { "ntw_proto_down_range", 1, 0, 'd' },
+ { "ntw_proto_up_range", 1, 0, 'e' },
+ { "mcast_addr_down_range", 1, 0, 'g' },
+ { "mcast_addr_up_range", 1, 0, 'j' },
+ { "local_role", 1, 0, 'l' },
+ { "remote_role", 1, 0, 'r' },
+ { "bridge name", 1, 0, 'b' },
+ { "iface name", 1, 0, 'n' },
+ { "no_close", 0, 0, 'N' },
+ { "retrans_ctrl_nb", 0, 0, 'y' },
+ { "retrans_bnep_nb", 0, 0, 'u' },
+ { "help", 0, 0, 'h' },
{ 0, 0, 0, 0 }
};
int main(int argc, char *argv[])
{
int opt;
+ int err;
+ bool is_set_b_name = false, is_set_i_name = false;
DBG("");
+ signal(SIGINT, exit_handler);
+
+ hci_devba(0, &src_addr);
+ bacpy(&src_addr, BDADDR_ANY);
+
mloop = g_main_loop_new(NULL, FALSE);
if (!mloop) {
printf("cannot create main loop\n");
@@ -60,9 +597,133 @@ int main(int argc, char *argv[])
exit(1);
}
- while ((opt = getopt_long(argc, argv, "h", main_options, NULL))
- != EOF) {
+ while ((opt = getopt_long(argc, argv,
+ "+i:c:b:n:t:T:d:e:g:j:k:f:w:l:r:y:u:Nsh",
+ main_options, NULL)) != EOF) {
switch (opt) {
+ case 'i':
+ if (!strncmp(optarg, "hci", 3))
+ hci_devba(atoi(optarg + 3), &src_addr);
+ else
+ str2ba(optarg, &src_addr);
+
+ break;
+
+ case 's':
+ mode = MODE_LISTEN;
+ break;
+
+ case 'c':
+ str2ba(optarg, &dst_addr);
+ mode = MODE_CONNECT;
+
+ break;
+
+ case 't':
+ send_ctrl_msg_type_set = true;
+ ctrl_msg_type = atoi(optarg);
+
+ break;
+
+ case 'w':
+ send_bnep_msg_type_set = true;
+ bnep_msg_type = atoi(optarg);
+
+ break;
+
+ case 'k': {
+ int i = 0;
+
+ for (; i <= 5; i++, optarg += 3)
+ src_hw_addr[i] = strtol(optarg, NULL, 16);
+
+ break;
+ }
+
+ case 'f': {
+ int i = 0;
+
+ for (; i <= 5; i++, optarg += 3)
+ dst_hw_addr[i] = strtol(optarg, NULL, 16);
+
+ break;
+ }
+
+ case 'T':
+ send_frame_timeout = atoi(optarg);
+
+ break;
+
+ case 'd':
+ ntw_proto_down_range = htons(atoi(optarg));
+
+ break;
+
+ case 'e':
+ ntw_proto_up_range = htons(atoi(optarg));
+
+ break;
+
+ case 'g': {
+ int i = 0;
+
+ for (i = 5; i >= 0; i--, optarg += 3)
+ mcast_addr_down_range[i] =
+ strtol(optarg, NULL, 16);
+
+ break;
+ }
+
+ case 'j': {
+ int i = 0;
+
+ for (i = 5; i >= 0; i--, optarg += 3)
+ mcast_addr_up_range[i] =
+ strtol(optarg, NULL, 16);
+
+ break;
+ }
+
+ case 'l':
+ local_role = atoi(optarg);
+
+ break;
+
+ case 'r':
+ remote_role = atoi(optarg);
+
+ break;
+
+ case 'b':
+ strncpy(bridge, optarg, 16);
+ bridge[15] = '\0';
+ is_set_b_name = true;
+
+ break;
+
+ case 'n':
+ strncpy(iface, optarg, 14);
+ strcat(iface, "\%d");
+ iface[15] = '\0';
+ is_set_i_name = true;
+
+ break;
+
+ case 'N':
+ no_close_after_disconn = true;
+
+ break;
+
+ case 'y':
+ ctrl_msg_retransmition_nb = atoi(optarg);
+
+ break;
+
+ case 'u':
+ bnep_msg_retransmission_nb = atoi(optarg);
+
+ break;
+
case 'h':
default:
usage();
@@ -70,5 +731,47 @@ int main(int argc, char *argv[])
}
}
+ if (!is_set_b_name || !is_set_i_name) {
+ printf("bridge, interface name must be set!\n");
+ exit(1);
+ }
+
+ switch (mode) {
+ case MODE_CONNECT:
+ err = bnep_init();
+ if (err < 0) {
+ printf("cannot initialize bnep\n");
+ exit(1);
+ }
+ err = bnep_client_connect();
+ if (err < 0)
+ exit(1);
+
+ break;
+
+ case MODE_LISTEN:
+ err = bnep_init();
+ if (err < 0) {
+ printf("cannot initialize bnep\n");
+ exit(1);
+ }
+ err = bnep_server_listen();
+ if (err < 0)
+ exit(1);
+
+ break;
+
+ case MODE_NONE:
+ default:
+ printf("connect/listen mode not set, exit...\n");
+ exit(1);
+ }
+
+ g_main_loop_run(mloop);
+
+ printf("Done\n");
+
+ g_main_loop_unref(mloop);
+
return 0;
}
--
2.1.0
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