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-rw-r--r--compat/fakehid.c669
1 files changed, 669 insertions, 0 deletions
diff --git a/compat/fakehid.c b/compat/fakehid.c
new file mode 100644
index 0000000..b996d10
--- /dev/null
+++ b/compat/fakehid.c
@@ -0,0 +1,669 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2003-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <sys/poll.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/rfcomm.h>
+#include <bluetooth/hidp.h>
+
+#include "hidd.h"
+#include "uinput.h"
+
+#include <math.h>
+
+#ifdef NEED_PPOLL
+#include "ppoll.h"
+#endif
+
+static volatile sig_atomic_t __io_canceled = 0;
+
+static void sig_hup(int sig)
+{
+}
+
+static void sig_term(int sig)
+{
+ __io_canceled = 1;
+}
+
+static void send_event(int fd, uint16_t type, uint16_t code, int32_t value)
+{
+ struct uinput_event event;
+ int len;
+
+ if (fd <= fileno(stderr))
+ return;
+
+ memset(&event, 0, sizeof(event));
+ event.type = type;
+ event.code = code;
+ event.value = value;
+
+ len = write(fd, &event, sizeof(event));
+}
+
+static int uinput_create(char *name, int keyboard, int mouse)
+{
+ struct uinput_dev dev;
+ int fd, aux;
+
+ fd = open("/dev/uinput", O_RDWR);
+ if (fd < 0) {
+ fd = open("/dev/input/uinput", O_RDWR);
+ if (fd < 0) {
+ fd = open("/dev/misc/uinput", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "Can't open input device: %s (%d)\n",
+ strerror(errno), errno);
+ return -1;
+ }
+ }
+ }
+
+ memset(&dev, 0, sizeof(dev));
+
+ if (name)
+ strncpy(dev.name, name, UINPUT_MAX_NAME_SIZE - 1);
+
+ dev.id.bustype = BUS_BLUETOOTH;
+ dev.id.vendor = 0x0000;
+ dev.id.product = 0x0000;
+ dev.id.version = 0x0000;
+
+ if (write(fd, &dev, sizeof(dev)) < 0) {
+ fprintf(stderr, "Can't write device information: %s (%d)\n",
+ strerror(errno), errno);
+ close(fd);
+ return -1;
+ }
+
+ if (mouse) {
+ ioctl(fd, UI_SET_EVBIT, EV_REL);
+
+ for (aux = REL_X; aux <= REL_MISC; aux++)
+ ioctl(fd, UI_SET_RELBIT, aux);
+ }
+
+ if (keyboard) {
+ ioctl(fd, UI_SET_EVBIT, EV_KEY);
+ ioctl(fd, UI_SET_EVBIT, EV_LED);
+ ioctl(fd, UI_SET_EVBIT, EV_REP);
+
+ for (aux = KEY_RESERVED; aux <= KEY_UNKNOWN; aux++)
+ ioctl(fd, UI_SET_KEYBIT, aux);
+
+ //for (aux = LED_NUML; aux <= LED_MISC; aux++)
+ // ioctl(fd, UI_SET_LEDBIT, aux);
+ }
+
+ if (mouse) {
+ ioctl(fd, UI_SET_EVBIT, EV_KEY);
+
+ for (aux = BTN_LEFT; aux <= BTN_BACK; aux++)
+ ioctl(fd, UI_SET_KEYBIT, aux);
+ }
+
+ ioctl(fd, UI_DEV_CREATE);
+
+ return fd;
+}
+
+static int rfcomm_connect(const bdaddr_t *src, const bdaddr_t *dst, uint8_t channel)
+{
+ struct sockaddr_rc addr;
+ int sk;
+
+ sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
+ if (sk < 0) {
+ fprintf(stderr, "Can't create socket: %s (%d)\n",
+ strerror(errno), errno);
+ return -1;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.rc_family = AF_BLUETOOTH;
+ bacpy(&addr.rc_bdaddr, src);
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "Can't bind socket: %s (%d)\n",
+ strerror(errno), errno);
+ close(sk);
+ return -1;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.rc_family = AF_BLUETOOTH;
+ bacpy(&addr.rc_bdaddr, dst);
+ addr.rc_channel = channel;
+
+ if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "Can't connect: %s (%d)\n",
+ strerror(errno), errno);
+ close(sk);
+ return -1;
+ }
+
+ return sk;
+}
+
+static void func(int fd)
+{
+}
+
+static void back(int fd)
+{
+}
+
+static void next(int fd)
+{
+}
+
+static void button(int fd, unsigned int button, int is_press)
+{
+ switch (button) {
+ case 1:
+ send_event(fd, EV_KEY, BTN_LEFT, is_press);
+ break;
+ case 3:
+ send_event(fd, EV_KEY, BTN_RIGHT, is_press);
+ break;
+ }
+
+ send_event(fd, EV_SYN, SYN_REPORT, 0);
+}
+
+static void move(int fd, unsigned int direction)
+{
+ double angle;
+ int32_t x, y;
+
+ angle = (direction * 22.5) * 3.1415926 / 180;
+ x = (int) (sin(angle) * 8);
+ y = (int) (cos(angle) * -8);
+
+ send_event(fd, EV_REL, REL_X, x);
+ send_event(fd, EV_REL, REL_Y, y);
+
+ send_event(fd, EV_SYN, SYN_REPORT, 0);
+}
+
+static inline void epox_decode(int fd, unsigned char event)
+{
+ switch (event) {
+ case 48:
+ func(fd); break;
+ case 55:
+ back(fd); break;
+ case 56:
+ next(fd); break;
+ case 53:
+ button(fd, 1, 1); break;
+ case 121:
+ button(fd, 1, 0); break;
+ case 113:
+ break;
+ case 54:
+ button(fd, 3, 1); break;
+ case 120:
+ button(fd, 3, 0); break;
+ case 112:
+ break;
+ case 51:
+ move(fd, 0); break;
+ case 97:
+ move(fd, 1); break;
+ case 65:
+ move(fd, 2); break;
+ case 98:
+ move(fd, 3); break;
+ case 50:
+ move(fd, 4); break;
+ case 99:
+ move(fd, 5); break;
+ case 67:
+ move(fd, 6); break;
+ case 101:
+ move(fd, 7); break;
+ case 52:
+ move(fd, 8); break;
+ case 100:
+ move(fd, 9); break;
+ case 66:
+ move(fd, 10); break;
+ case 102:
+ move(fd, 11); break;
+ case 49:
+ move(fd, 12); break;
+ case 103:
+ move(fd, 13); break;
+ case 57:
+ move(fd, 14); break;
+ case 104:
+ move(fd, 15); break;
+ case 69:
+ break;
+ default:
+ printf("Unknown event code %d\n", event);
+ break;
+ }
+}
+
+int epox_presenter(const bdaddr_t *src, const bdaddr_t *dst, uint8_t channel)
+{
+ unsigned char buf[16];
+ struct sigaction sa;
+ struct pollfd p;
+ sigset_t sigs;
+ char addr[18];
+ int i, fd, sk, len;
+
+ sk = rfcomm_connect(src, dst, channel);
+ if (sk < 0)
+ return -1;
+
+ fd = uinput_create("Bluetooth Presenter", 0, 1);
+ if (fd < 0) {
+ close(sk);
+ return -1;
+ }
+
+ ba2str(dst, addr);
+
+ printf("Connected to %s on channel %d\n", addr, channel);
+ printf("Press CTRL-C for hangup\n");
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_flags = SA_NOCLDSTOP;
+ sa.sa_handler = SIG_IGN;
+ sigaction(SIGCHLD, &sa, NULL);
+ sigaction(SIGPIPE, &sa, NULL);
+
+ sa.sa_handler = sig_term;
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+
+ sa.sa_handler = sig_hup;
+ sigaction(SIGHUP, &sa, NULL);
+
+ sigfillset(&sigs);
+ sigdelset(&sigs, SIGCHLD);
+ sigdelset(&sigs, SIGPIPE);
+ sigdelset(&sigs, SIGTERM);
+ sigdelset(&sigs, SIGINT);
+ sigdelset(&sigs, SIGHUP);
+
+ p.fd = sk;
+ p.events = POLLIN | POLLERR | POLLHUP;
+
+ while (!__io_canceled) {
+ p.revents = 0;
+ if (ppoll(&p, 1, NULL, &sigs) < 1)
+ continue;
+
+ len = read(sk, buf, sizeof(buf));
+ if (len < 0)
+ break;
+
+ for (i = 0; i < len; i++)
+ epox_decode(fd, buf[i]);
+ }
+
+ printf("Disconnected\n");
+
+ ioctl(fd, UI_DEV_DESTROY);
+
+ close(fd);
+ close(sk);
+
+ return 0;
+}
+
+int headset_presenter(const bdaddr_t *src, const bdaddr_t *dst, uint8_t channel)
+{
+ printf("Not implemented\n");
+ return -1;
+}
+
+/* The strange meta key close to Ctrl has been assigned to Esc,
+ Fn key to CtrlR and the left space to Alt*/
+
+static unsigned char jthree_keycodes[63] = {
+ KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
+ KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T,
+ KEY_A, KEY_S, KEY_D, KEY_F, KEY_G,
+ KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B,
+ KEY_LEFTALT, KEY_TAB, KEY_CAPSLOCK, KEY_ESC,
+ KEY_7, KEY_8, KEY_9, KEY_0, KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE,
+ KEY_Y, KEY_U, KEY_I, KEY_O, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE,
+ KEY_H, KEY_J, KEY_K, KEY_L, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_ENTER,
+ KEY_N, KEY_M, KEY_COMMA, KEY_DOT, KEY_SLASH, KEY_UP,
+ KEY_SPACE, KEY_COMPOSE, KEY_LEFT, KEY_DOWN, KEY_RIGHT,
+ KEY_LEFTCTRL, KEY_RIGHTSHIFT, KEY_LEFTSHIFT, KEY_DELETE, KEY_RIGHTCTRL, KEY_RIGHTALT,
+};
+
+static inline void jthree_decode(int fd, unsigned char event)
+{
+ if (event > 63)
+ send_event(fd, EV_KEY, jthree_keycodes[event & 0x3f], 0);
+ else
+ send_event(fd, EV_KEY, jthree_keycodes[event - 1], 1);
+}
+
+int jthree_keyboard(const bdaddr_t *src, const bdaddr_t *dst, uint8_t channel)
+{
+ unsigned char buf[16];
+ struct sigaction sa;
+ struct pollfd p;
+ sigset_t sigs;
+ char addr[18];
+ int i, fd, sk, len;
+
+ sk = rfcomm_connect(src, dst, channel);
+ if (sk < 0)
+ return -1;
+
+ fd = uinput_create("J-Three Keyboard", 1, 0);
+ if (fd < 0) {
+ close(sk);
+ return -1;
+ }
+
+ ba2str(dst, addr);
+
+ printf("Connected to %s on channel %d\n", addr, channel);
+ printf("Press CTRL-C for hangup\n");
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_flags = SA_NOCLDSTOP;
+ sa.sa_handler = SIG_IGN;
+ sigaction(SIGCHLD, &sa, NULL);
+ sigaction(SIGPIPE, &sa, NULL);
+
+ sa.sa_handler = sig_term;
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+
+ sa.sa_handler = sig_hup;
+ sigaction(SIGHUP, &sa, NULL);
+
+ sigfillset(&sigs);
+ sigdelset(&sigs, SIGCHLD);
+ sigdelset(&sigs, SIGPIPE);
+ sigdelset(&sigs, SIGTERM);
+ sigdelset(&sigs, SIGINT);
+ sigdelset(&sigs, SIGHUP);
+
+ p.fd = sk;
+ p.events = POLLIN | POLLERR | POLLHUP;
+
+ while (!__io_canceled) {
+ p.revents = 0;
+ if (ppoll(&p, 1, NULL, &sigs) < 1)
+ continue;
+
+ len = read(sk, buf, sizeof(buf));
+ if (len < 0)
+ break;
+
+ for (i = 0; i < len; i++)
+ jthree_decode(fd, buf[i]);
+ }
+
+ printf("Disconnected\n");
+
+ ioctl(fd, UI_DEV_DESTROY);
+
+ close(fd);
+ close(sk);
+
+ return 0;
+}
+
+static const int celluon_xlate_num[10] = {
+ KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9
+};
+
+static const int celluon_xlate_char[26] = {
+ KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
+ KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
+ KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z
+};
+
+static int celluon_xlate(int c)
+{
+ if (c >= '0' && c <= '9')
+ return celluon_xlate_num[c - '0'];
+
+ if (c >= 'A' && c <= 'Z')
+ return celluon_xlate_char[c - 'A'];
+
+ switch (c) {
+ case 0x08:
+ return KEY_BACKSPACE;
+ case 0x09:
+ return KEY_TAB;
+ case 0x0d:
+ return KEY_ENTER;
+ case 0x11:
+ return KEY_LEFTCTRL;
+ case 0x14:
+ return KEY_CAPSLOCK;
+ case 0x20:
+ return KEY_SPACE;
+ case 0x25:
+ return KEY_LEFT;
+ case 0x26:
+ return KEY_UP;
+ case 0x27:
+ return KEY_RIGHT;
+ case 0x28:
+ return KEY_DOWN;
+ case 0x2e:
+ return KEY_DELETE;
+ case 0x5b:
+ return KEY_MENU;
+ case 0xa1:
+ return KEY_RIGHTSHIFT;
+ case 0xa0:
+ return KEY_LEFTSHIFT;
+ case 0xba:
+ return KEY_SEMICOLON;
+ case 0xbd:
+ return KEY_MINUS;
+ case 0xbc:
+ return KEY_COMMA;
+ case 0xbb:
+ return KEY_EQUAL;
+ case 0xbe:
+ return KEY_DOT;
+ case 0xbf:
+ return KEY_SLASH;
+ case 0xc0:
+ return KEY_GRAVE;
+ case 0xdb:
+ return KEY_LEFTBRACE;
+ case 0xdc:
+ return KEY_BACKSLASH;
+ case 0xdd:
+ return KEY_RIGHTBRACE;
+ case 0xde:
+ return KEY_APOSTROPHE;
+ case 0xff03:
+ return KEY_HOMEPAGE;
+ case 0xff04:
+ return KEY_TIME;
+ case 0xff06:
+ return KEY_OPEN;
+ case 0xff07:
+ return KEY_LIST;
+ case 0xff08:
+ return KEY_MAIL;
+ case 0xff30:
+ return KEY_CALC;
+ case 0xff1a: /* Map FN to ALT */
+ return KEY_LEFTALT;
+ case 0xff2f:
+ return KEY_INFO;
+ default:
+ printf("Unknown key %x\n", c);
+ return c;
+ }
+}
+
+struct celluon_state {
+ int len; /* Expected length of current packet */
+ int count; /* Number of bytes received */
+ int action;
+ int key;
+};
+
+static void celluon_decode(int fd, struct celluon_state *s, uint8_t c)
+{
+ if (s->count < 2 && c != 0xa5) {
+ /* Lost Sync */
+ s->count = 0;
+ return;
+ }
+
+ switch (s->count) {
+ case 0:
+ /* New packet - Reset state */
+ s->len = 30;
+ s->key = 0;
+ break;
+ case 1:
+ break;
+ case 6:
+ s->action = c;
+ break;
+ case 28:
+ s->key = c;
+ if (c == 0xff)
+ s->len = 31;
+ break;
+ case 29:
+ case 30:
+ if (s->count == s->len - 1) {
+ /* TODO: Verify checksum */
+ if (s->action < 2) {
+ send_event(fd, EV_KEY, celluon_xlate(s->key),
+ s->action);
+ }
+ s->count = -1;
+ } else {
+ s->key = (s->key << 8) | c;
+ }
+ break;
+ }
+
+ s->count++;
+
+ return;
+}
+
+int celluon_keyboard(const bdaddr_t *src, const bdaddr_t *dst, uint8_t channel)
+{
+ unsigned char buf[16];
+ struct sigaction sa;
+ struct pollfd p;
+ sigset_t sigs;
+ char addr[18];
+ int i, fd, sk, len;
+ struct celluon_state s;
+
+ sk = rfcomm_connect(src, dst, channel);
+ if (sk < 0)
+ return -1;
+
+ fd = uinput_create("Celluon Keyboard", 1, 0);
+ if (fd < 0) {
+ close(sk);
+ return -1;
+ }
+
+ ba2str(dst, addr);
+
+ printf("Connected to %s on channel %d\n", addr, channel);
+ printf("Press CTRL-C for hangup\n");
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_flags = SA_NOCLDSTOP;
+ sa.sa_handler = SIG_IGN;
+ sigaction(SIGCHLD, &sa, NULL);
+ sigaction(SIGPIPE, &sa, NULL);
+
+ sa.sa_handler = sig_term;
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+
+ sa.sa_handler = sig_hup;
+ sigaction(SIGHUP, &sa, NULL);
+
+ sigfillset(&sigs);
+ sigdelset(&sigs, SIGCHLD);
+ sigdelset(&sigs, SIGPIPE);
+ sigdelset(&sigs, SIGTERM);
+ sigdelset(&sigs, SIGINT);
+ sigdelset(&sigs, SIGHUP);
+
+ p.fd = sk;
+ p.events = POLLIN | POLLERR | POLLHUP;
+
+ memset(&s, 0, sizeof(s));
+
+ while (!__io_canceled) {
+ p.revents = 0;
+ if (ppoll(&p, 1, NULL, &sigs) < 1)
+ continue;
+
+ len = read(sk, buf, sizeof(buf));
+ if (len < 0)
+ break;
+
+ for (i = 0; i < len; i++)
+ celluon_decode(fd, &s, buf[i]);
+ }
+
+ printf("Disconnected\n");
+
+ ioctl(fd, UI_DEV_DESTROY);
+
+ close(fd);
+ close(sk);
+
+ return 0;
+}
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