usr.sbin/bluetooth/l2control/l2cap.c

   1 /*
   2  * l2cap.c
   3  *
   4  * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  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.
  15  *
  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
  26  * SUCH DAMAGE.
  27  *
  28  * $Id: l2cap.c,v 1.5 2003/05/16 19:52:37 max Exp $
  29  * $FreeBSD$
  30  */
  31
  32 #include <sys/ioctl.h>
  33 #include <bluetooth.h>
  34 #include <errno.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include "l2control.h"
  39
  40 #define SIZE(x) (sizeof((x))/sizeof((x)[0]))
  41
  42 /* Print BDADDR */
  43 static char *
  44 bdaddrpr(bdaddr_t const *ba)
  45 {
  46         extern int       numeric_bdaddr;
  47         static char      str[24];
  48         struct hostent  *he = NULL;
  49
  50         if (memcmp(ba, NG_HCI_BDADDR_ANY, sizeof(*ba)) == 0) {
  51                 str[0] = '*';
  52                 str[1] = 0;
  53
  54                 return (str);
  55         }
  56
  57         if (!numeric_bdaddr &&
  58             (he = bt_gethostbyaddr((char *)ba, sizeof(*ba), AF_BLUETOOTH)) != NULL) {
  59                 strlcpy(str, he->h_name, sizeof(str));
  60
  61                 return (str);
  62         }
  63
  64         bt_ntoa(ba, str);
  65
  66         return (str);
  67 } /* bdaddrpr */
  68
  69 /* Send read_node_flags command to the node */
  70 static int
  71 l2cap_read_node_flags(int s, int argc, char **argv)
  72 {
  73         struct ng_btsocket_l2cap_raw_node_flags r;
  74
  75         memset(&r, 0, sizeof(r));
  76         if (ioctl(s, SIOC_L2CAP_NODE_GET_FLAGS, &r, sizeof(r)) < 0)
  77                 return (ERROR);
  78
  79         fprintf(stdout, "Connectionless traffic flags:\n");
  80         fprintf(stdout, "\tSDP: %s\n",
  81                 (r.flags & NG_L2CAP_CLT_SDP_DISABLED)? "disabled" : "enabled");
  82         fprintf(stdout, "\tRFCOMM: %s\n",
  83                 (r.flags & NG_L2CAP_CLT_RFCOMM_DISABLED)? "disabled":"enabled");
  84         fprintf(stdout, "\tTCP: %s\n",
  85                 (r.flags & NG_L2CAP_CLT_TCP_DISABLED)? "disabled" : "enabled");
  86
  87         return (OK);
  88 } /* l2cap_read_node_flags */
  89
  90 /* Send read_debug_level command to the node */
  91 static int
  92 l2cap_read_debug_level(int s, int argc, char **argv)
  93 {
  94         struct ng_btsocket_l2cap_raw_node_debug r;
  95
  96         memset(&r, 0, sizeof(r));
  97         if (ioctl(s, SIOC_L2CAP_NODE_GET_DEBUG, &r, sizeof(r)) < 0)
  98                 return (ERROR);
  99
 100         fprintf(stdout, "Debug level: %d\n", r.debug);
 101
 102         return (OK);
 103 } /* l2cap_read_debug_level */
 104
 105 /* Send write_debug_level command to the node */
 106 static int
 107 l2cap_write_debug_level(int s, int argc, char **argv)
 108 {
 109         struct ng_btsocket_l2cap_raw_node_debug r;
 110
 111         memset(&r, 0, sizeof(r));
 112         switch (argc) {
 113         case 1:
 114                 r.debug = atoi(argv[0]);
 115                 break;
 116
 117         default:
 118                 return (USAGE);
 119         }
 120
 121         if (ioctl(s, SIOC_L2CAP_NODE_SET_DEBUG, &r, sizeof(r)) < 0)
 122                 return (ERROR);
 123
 124         return (OK);
 125 } /* l2cap_write_debug_level */
 126
 127 /* Send read_connection_list command to the node */
 128 static int
 129 l2cap_read_connection_list(int s, int argc, char **argv)
 130 {
 131         static char const * const       state[] = {
 132                 /* NG_L2CAP_CON_CLOSED */       "CLOSED",
 133                 /* NG_L2CAP_W4_LP_CON_CFM */    "W4_LP_CON_CFM",
 134                 /* NG_L2CAP_CON_OPEN */         "OPEN"
 135         };
 136 #define con_state2str(x)        ((x) >= SIZE(state)? "UNKNOWN" : state[(x)])
 137
 138         struct ng_btsocket_l2cap_raw_con_list   r;
 139         int                                     n, error = OK;
 140
 141         memset(&r, 0, sizeof(r));
 142         r.num_connections = NG_L2CAP_MAX_CON_NUM;
 143         r.connections = calloc(NG_L2CAP_MAX_CON_NUM,
 144                                 sizeof(ng_l2cap_node_con_ep));
 145         if (r.connections == NULL) {
 146                 errno = ENOMEM;
 147                 return (ERROR);
 148         }
 149
 150         if (ioctl(s, SIOC_L2CAP_NODE_GET_CON_LIST, &r, sizeof(r)) < 0) {
 151                 error = ERROR;
 152                 goto out;
 153         }
 154
 155         fprintf(stdout, "L2CAP connections:\n");
 156         fprintf(stdout,
 157 "Remote BD_ADDR    Handle Flags Pending State\n");
 158         for (n = 0; n < r.num_connections; n++) {
 159                 fprintf(stdout,
 160                         "%-17.17s " \
 161                         "%6d " \
 162                         "%c%c%c%c%c " \
 163                         "%7d " \
 164                         "%s\n",
 165                         bdaddrpr(&r.connections[n].remote),
 166                         r.connections[n].con_handle,
 167                         ((r.connections[n].flags & NG_L2CAP_CON_OUTGOING)? 'O' : 'I'),
 168                         ((r.connections[n].flags & NG_L2CAP_CON_LP_TIMO)? 'L' : ' '),
 169                         ((r.connections[n].flags & NG_L2CAP_CON_AUTO_DISCON_TIMO)? 'D' : ' '),
 170                         ((r.connections[n].flags & NG_L2CAP_CON_TX)? 'T' : ' '),
 171                         ((r.connections[n].flags & NG_L2CAP_CON_RX)? 'R' : ' '),
 172                         r.connections[n].pending,
 173                         con_state2str(r.connections[n].state));
 174         }
 175 out:
 176         free(r.connections);
 177
 178         return (error);
 179 } /* l2cap_read_connection_list */
 180
 181 /* Send read_channel_list command to the node */
 182 static int
 183 l2cap_read_channel_list(int s, int argc, char **argv)
 184 {
 185         static char const * const       state[] = {
 186                 /* NG_L2CAP_CLOSED */                   "CLOSED",
 187                 /* NG_L2CAP_W4_L2CAP_CON_RSP */         "W4_L2CAP_CON_RSP",
 188                 /* NG_L2CAP_W4_L2CA_CON_RSP */          "W4_L2CA_CON_RSP",
 189                 /* NG_L2CAP_CONFIG */                   "CONFIG",
 190                 /* NG_L2CAP_OPEN */                     "OPEN",
 191                 /* NG_L2CAP_W4_L2CAP_DISCON_RSP */      "W4_L2CAP_DISCON_RSP",
 192                 /* NG_L2CAP_W4_L2CA_DISCON_RSP */       "W4_L2CA_DISCON_RSP"
 193         };
 194 #define ch_state2str(x) ((x) >= SIZE(state)? "UNKNOWN" : state[(x)])
 195
 196         struct ng_btsocket_l2cap_raw_chan_list  r;
 197         int                                     n, error = OK;
 198
 199         memset(&r, 0, sizeof(r));
 200         r.num_channels = NG_L2CAP_MAX_CHAN_NUM;
 201         r.channels = calloc(NG_L2CAP_MAX_CHAN_NUM,
 202                                 sizeof(ng_l2cap_node_chan_ep));
 203         if (r.channels == NULL) {
 204                 errno = ENOMEM;
 205                 return (ERROR);
 206         }
 207
 208         if (ioctl(s, SIOC_L2CAP_NODE_GET_CHAN_LIST, &r, sizeof(r)) < 0) {
 209                 error = ERROR;
 210                 goto out;
 211         }
 212
 213         fprintf(stdout, "L2CAP channels:\n");
 214         fprintf(stdout,
 215 "Remote BD_ADDR     SCID/ DCID   PSM  IMTU/ OMTU State\n");
 216         for (n = 0; n < r.num_channels; n++) {
 217                 fprintf(stdout,
 218                         "%-17.17s " \
 219                         "%5d/%5d %5d " \
 220                         "%5d/%5d " \
 221                         "%s\n",
 222                         bdaddrpr(&r.channels[n].remote),
 223                         r.channels[n].scid, r.channels[n].dcid,
 224                         r.channels[n].psm, r.channels[n].imtu,
 225                         r.channels[n].omtu,
 226                         ch_state2str(r.channels[n].state));
 227         }
 228 out:
 229         free(r.channels);
 230
 231         return (error);
 232 } /* l2cap_read_channel_list */
 233
 234 /* Send read_auto_disconnect_timeout command to the node */
 235 static int
 236 l2cap_read_auto_disconnect_timeout(int s, int argc, char **argv)
 237 {
 238         struct ng_btsocket_l2cap_raw_auto_discon_timo   r;
 239
 240         memset(&r, 0, sizeof(r));
 241         if (ioctl(s, SIOC_L2CAP_NODE_GET_AUTO_DISCON_TIMO, &r, sizeof(r)) < 0)
 242                 return (ERROR);
 243
 244         if (r.timeout != 0)
 245                 fprintf(stdout, "Auto disconnect timeout: %d sec\n", r.timeout);
 246         else
 247                 fprintf(stdout, "Auto disconnect disabled\n");
 248
 249         return (OK);
 250 } /* l2cap_read_auto_disconnect_timeout */
 251
 252 /* Send write_auto_disconnect_timeout command to the node */
 253 static int
 254 l2cap_write_auto_disconnect_timeout(int s, int argc, char **argv)
 255 {
 256         struct ng_btsocket_l2cap_raw_auto_discon_timo   r;
 257
 258         memset(&r, 0, sizeof(r));
 259         switch (argc) {
 260         case 1:
 261                 r.timeout = atoi(argv[0]);
 262                 break;
 263
 264         default:
 265                 return (USAGE);
 266         }
 267
 268         if (ioctl(s, SIOC_L2CAP_NODE_SET_AUTO_DISCON_TIMO, &r, sizeof(r)) < 0)
 269                 return (ERROR);
 270
 271         return (OK);
 272 } /* l2cap_write_auto_disconnect_timeout */
 273
 274 struct l2cap_command    l2cap_commands[] = {
 275 {
 276 "read_node_flags",
 277 "Get L2CAP node flags",
 278 &l2cap_read_node_flags
 279 },
 280 {
 281 "read_debug_level",
 282 "Get L2CAP node debug level",
 283 &l2cap_read_debug_level
 284 },
 285 {
 286 "write_debug_level <level>",
 287 "Set L2CAP node debug level",
 288 &l2cap_write_debug_level
 289 },
 290 {
 291 "read_connection_list",
 292 "Read list of the L2CAP connections",
 293 &l2cap_read_connection_list
 294 },
 295 {
 296 "read_channel_list",
 297 "Read list of the L2CAP channels",
 298 &l2cap_read_channel_list
 299 },
 300 {
 301 "read_auto_disconnect_timeout",
 302 "Get L2CAP node auto disconnect timeout (in sec)",
 303 &l2cap_read_auto_disconnect_timeout
 304 },
 305 {
 306 "write_auto_disconnect_timeout <timeout>",
 307 "Set L2CAP node auto disconnect timeout (in sec)",
 308 &l2cap_write_auto_disconnect_timeout
 309 },
 310 {
 311 NULL,
 312 }};
 313