diff options
Diffstat (limited to 'usr.sbin/bluetooth/bthidd/session.c')
| -rw-r--r-- | usr.sbin/bluetooth/bthidd/session.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/bthidd/session.c b/usr.sbin/bluetooth/bthidd/session.c new file mode 100644 index 0000000..260cb86 --- /dev/null +++ b/usr.sbin/bluetooth/bthidd/session.c @@ -0,0 +1,185 @@ +/* + * session.c + */ + +/*- + * Copyright (c) 2006 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: session.c,v 1.3 2006/09/07 21:06:53 max Exp $ + * $FreeBSD$ + */ + +#include <sys/queue.h> +#include <assert.h> +#define L2CAP_SOCKET_CHECKED +#include <bluetooth.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <unistd.h> +#include <usbhid.h> +#include "bthid_config.h" +#include "bthidd.h" +#include "kbd.h" + +/* + * Create new session + */ + +bthid_session_p +session_open(bthid_server_p srv, hid_device_p const d) +{ + bthid_session_p s; + + assert(srv != NULL); + assert(d != NULL); + + if ((s = (bthid_session_p) malloc(sizeof(*s))) == NULL) + return (NULL); + + s->srv = srv; + memcpy(&s->bdaddr, &d->bdaddr, sizeof(s->bdaddr)); + s->ctrl = -1; + s->intr = -1; + + if (d->keyboard) { + /* Open /dev/vkbdctl */ + s->vkbd = open("/dev/vkbdctl", O_RDWR); + if (s->vkbd < 0) { + syslog(LOG_ERR, "Could not open /dev/vkbdctl " \ + "for %s. %s (%d)", bt_ntoa(&s->bdaddr, NULL), + strerror(errno), errno); + free(s); + return (NULL); + } + } else + s->vkbd = -1; + + s->state = CLOSED; + + s->keys1 = bit_alloc(kbd_maxkey()); + if (s->keys1 == NULL) { + free(s); + return (NULL); + } + + s->keys2 = bit_alloc(kbd_maxkey()); + if (s->keys2 == NULL) { + free(s->keys1); + free(s); + return (NULL); + } + + LIST_INSERT_HEAD(&srv->sessions, s, next); + + return (s); +} + +/* + * Lookup session by bdaddr + */ + +bthid_session_p +session_by_bdaddr(bthid_server_p srv, bdaddr_p bdaddr) +{ + bthid_session_p s; + + assert(srv != NULL); + assert(bdaddr != NULL); + + LIST_FOREACH(s, &srv->sessions, next) + if (memcmp(&s->bdaddr, bdaddr, sizeof(s->bdaddr)) == 0) + break; + + return (s); +} + +/* + * Lookup session by fd + */ + +bthid_session_p +session_by_fd(bthid_server_p srv, int32_t fd) +{ + bthid_session_p s; + + assert(srv != NULL); + assert(fd >= 0); + + LIST_FOREACH(s, &srv->sessions, next) + if (s->ctrl == fd || s->intr == fd || s->vkbd == fd) + break; + + return (s); +} + +/* + * Close session + */ + +void +session_close(bthid_session_p s) +{ + assert(s != NULL); + assert(s->srv != NULL); + + LIST_REMOVE(s, next); + + if (s->intr != -1) { + FD_CLR(s->intr, &s->srv->rfdset); + FD_CLR(s->intr, &s->srv->wfdset); + close(s->intr); + + if (s->srv->maxfd == s->intr) + s->srv->maxfd --; + } + + if (s->ctrl != -1) { + FD_CLR(s->ctrl, &s->srv->rfdset); + FD_CLR(s->ctrl, &s->srv->wfdset); + close(s->ctrl); + + if (s->srv->maxfd == s->ctrl) + s->srv->maxfd --; + } + + if (s->vkbd != -1) { + FD_CLR(s->vkbd, &s->srv->rfdset); + close(s->vkbd); + + if (s->srv->maxfd == s->vkbd) + s->srv->maxfd --; + } + + free(s->keys1); + free(s->keys2); + + memset(s, 0, sizeof(*s)); + free(s); +} + |
