1 /* $NetBSD: session.c,v 1.2 2007/04/07 21:08:46 plunky Exp $ */ 2 /* $DragonFly: src/lib/libsdp/session.c,v 1.1 2008/01/03 11:47:53 hasso Exp $ */ 3 4 /*- 5 * Copyright (c) 2006 Itronix Inc. 6 * All rights reserved. 7 * 8 * Written by Iain Hibbert for Itronix Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of Itronix Inc. may not be used to endorse 19 * or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 /* 35 * session.c 36 * 37 * Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com> 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * $Id: session.c,v 1.2 2007/04/07 21:08:46 plunky Exp $ 62 * $FreeBSD: src/lib/libsdp/session.c,v 1.3 2004/01/09 22:44:28 emax Exp $ 63 */ 64 65 #include <sys/types.h> 66 #include <sys/un.h> 67 #include <bluetooth.h> 68 #include <errno.h> 69 #include <stdlib.h> 70 #include <string.h> 71 #include <unistd.h> 72 73 #include <sdp-int.h> 74 #include <sdp.h> 75 76 void * 77 sdp_open(bdaddr_t const *l, bdaddr_t const *r) 78 { 79 sdp_session_p ss = NULL; 80 struct sockaddr_bt sa; 81 struct linger li; 82 socklen_t size; 83 84 if ((ss = calloc(1, sizeof(*ss))) == NULL) 85 goto fail; 86 87 if (l == NULL || r == NULL) { 88 ss->error = EINVAL; 89 goto fail; 90 } 91 92 ss->s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP); 93 if (ss->s < 0) { 94 ss->error = errno; 95 goto fail; 96 } 97 98 memset(&li, 0, sizeof(li)); 99 li.l_onoff = 1; 100 li.l_linger = 5; 101 if (setsockopt(ss->s, SOL_SOCKET, SO_LINGER, &li, sizeof(li)) < 0) { 102 ss->error = errno; 103 goto fail; 104 } 105 106 memset(&sa, 0, sizeof(sa)); 107 sa.bt_len = sizeof(sa); 108 sa.bt_family = AF_BLUETOOTH; 109 bdaddr_copy(&sa.bt_bdaddr, l); 110 if (bind(ss->s, (void *) &sa, sizeof(sa)) < 0) { 111 ss->error = errno; 112 goto fail; 113 } 114 115 sa.bt_psm = L2CAP_PSM_SDP; 116 bdaddr_copy(&sa.bt_bdaddr, r); 117 if (connect(ss->s, (void *) &sa, sizeof(sa)) < 0) { 118 ss->error = errno; 119 goto fail; 120 } 121 122 size = sizeof(ss->omtu); 123 if (getsockopt(ss->s, BTPROTO_L2CAP, SO_L2CAP_OMTU, &ss->omtu, &size) < 0) { 124 ss->error = errno; 125 goto fail; 126 } 127 if ((ss->req = malloc((size_t)ss->omtu)) == NULL) { 128 ss->error = ENOMEM; 129 goto fail; 130 } 131 ss->req_e = ss->req + ss->omtu; 132 133 size = sizeof(ss->imtu); 134 if (getsockopt(ss->s, BTPROTO_L2CAP, SO_L2CAP_IMTU, &ss->imtu, &size) < 0) { 135 ss->error = errno; 136 goto fail; 137 } 138 if ((ss->rsp = malloc((size_t)ss->imtu)) == NULL) { 139 ss->error = ENOMEM; 140 goto fail; 141 } 142 ss->rsp_e = ss->rsp + ss->imtu; 143 ss->error = 0; 144 fail: 145 return ((void *) ss); 146 } 147 148 void * 149 sdp_open_local(char const *control) 150 { 151 sdp_session_p ss = NULL; 152 struct sockaddr_un sa; 153 154 if ((ss = calloc(1, sizeof(*ss))) == NULL) 155 goto fail; 156 157 ss->s = socket(PF_LOCAL, SOCK_STREAM, 0); 158 if (ss->s < 0) { 159 ss->error = errno; 160 goto fail; 161 } 162 163 if (control == NULL) 164 control = SDP_LOCAL_PATH; 165 166 sa.sun_len = sizeof(sa); 167 sa.sun_family = AF_LOCAL; 168 strlcpy(sa.sun_path, control, sizeof(sa.sun_path)); 169 170 if (connect(ss->s, (void *) &sa, sizeof(sa)) < 0) { 171 ss->error = errno; 172 goto fail; 173 } 174 175 ss->flags |= SDP_SESSION_LOCAL; 176 ss->imtu = ss->omtu = SDP_LOCAL_MTU; 177 178 if ((ss->req = malloc((size_t)ss->omtu)) == NULL) { 179 ss->error = ENOMEM; 180 goto fail; 181 } 182 ss->req_e = ss->req + ss->omtu; 183 184 if ((ss->rsp = malloc((size_t)ss->imtu)) == NULL) { 185 ss->error = ENOMEM; 186 goto fail; 187 } 188 ss->rsp_e = ss->rsp + ss->imtu; 189 ss->error = 0; 190 fail: 191 return ((void *) ss); 192 } 193 194 int32_t 195 sdp_close(void *xss) 196 { 197 sdp_session_p ss = (sdp_session_p) xss; 198 199 if (ss != NULL) { 200 if (ss->s >= 0) 201 close(ss->s); 202 203 if (ss->req != NULL) 204 free(ss->req); 205 if (ss->rsp != NULL) 206 free(ss->rsp); 207 208 memset(ss, 0, sizeof(*ss)); 209 free(ss); 210 } 211 212 return (0); 213 } 214 215 int32_t 216 sdp_error(void *xss) 217 { 218 sdp_session_p ss = (sdp_session_p) xss; 219 220 return ((ss != NULL)? ss->error : EINVAL); 221 } 222