510 lines
No EOL
16 KiB
C
510 lines
No EOL
16 KiB
C
#include "virt_kbd.h"
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#include "message.h"
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#include <linux/input-event-codes.h>
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int virt_kbd_init(virt_kbd_t *const kbd) {
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int ret = -EINVAL;
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memset(kbd, 0, sizeof(virt_kbd_t));
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int fd = open("/dev/uinput", O_RDWR);
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if(fd < 0) {
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ret = errno;
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goto virt_mouse_init_err;
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}
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ioctl(fd, UI_SET_EVBIT, EV_REL);
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ioctl(fd, UI_SET_EVBIT, EV_KEY);
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ioctl(fd, UI_SET_EVBIT, EV_MSC);
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ioctl(fd, UI_SET_EVBIT, EV_SYN);
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ioctl(fd, UI_SET_MSCBIT, MSC_TIMESTAMP);
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ioctl(fd, UI_SET_KEYBIT, KEY_Q);
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ioctl(fd, UI_SET_KEYBIT, KEY_W);
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ioctl(fd, UI_SET_KEYBIT, KEY_E);
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ioctl(fd, UI_SET_KEYBIT, KEY_R);
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ioctl(fd, UI_SET_KEYBIT, KEY_T);
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ioctl(fd, UI_SET_KEYBIT, KEY_Y);
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ioctl(fd, UI_SET_KEYBIT, KEY_U);
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ioctl(fd, UI_SET_KEYBIT, KEY_I);
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ioctl(fd, UI_SET_KEYBIT, KEY_O);
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ioctl(fd, UI_SET_KEYBIT, KEY_P);
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ioctl(fd, UI_SET_KEYBIT, KEY_A);
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ioctl(fd, UI_SET_KEYBIT, KEY_S);
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ioctl(fd, UI_SET_KEYBIT, KEY_D);
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ioctl(fd, UI_SET_KEYBIT, KEY_F);
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ioctl(fd, UI_SET_KEYBIT, KEY_G);
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ioctl(fd, UI_SET_KEYBIT, KEY_H);
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ioctl(fd, UI_SET_KEYBIT, KEY_J);
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ioctl(fd, UI_SET_KEYBIT, KEY_K);
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ioctl(fd, UI_SET_KEYBIT, KEY_L);
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ioctl(fd, UI_SET_KEYBIT, KEY_Z);
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ioctl(fd, UI_SET_KEYBIT, KEY_X);
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ioctl(fd, UI_SET_KEYBIT, KEY_C);
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ioctl(fd, UI_SET_KEYBIT, KEY_V);
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ioctl(fd, UI_SET_KEYBIT, KEY_B);
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ioctl(fd, UI_SET_KEYBIT, KEY_N);
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ioctl(fd, UI_SET_KEYBIT, KEY_M);
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ioctl(fd, UI_SET_KEYBIT, KEY_1);
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ioctl(fd, UI_SET_KEYBIT, KEY_2);
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ioctl(fd, UI_SET_KEYBIT, KEY_3);
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ioctl(fd, UI_SET_KEYBIT, KEY_4);
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ioctl(fd, UI_SET_KEYBIT, KEY_5);
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ioctl(fd, UI_SET_KEYBIT, KEY_6);
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ioctl(fd, UI_SET_KEYBIT, KEY_7);
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ioctl(fd, UI_SET_KEYBIT, KEY_8);
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ioctl(fd, UI_SET_KEYBIT, KEY_9);
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ioctl(fd, UI_SET_KEYBIT, KEY_0);
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ioctl(fd, UI_SET_KEYBIT, KEYBOARD_KEY_LCRTL);
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struct uinput_setup dev = {0};
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strncpy(dev.name, VIRT_KBD_DEV_NAME, UINPUT_MAX_NAME_SIZE-1);
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dev.id.bustype = BUS_VIRTUAL;
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dev.id.vendor = VIRT_KBD_DEV_VENDOR_ID;
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dev.id.product = VIRT_KBD_DEV_PRODUCT_ID;
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dev.id.version = VIRT_KBD_DEV_VERSION;
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if(ioctl(fd, UI_DEV_SETUP, &dev) < 0) {
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ret = errno > 0 ? errno : -1 * errno;
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ret = ret == 0 ? -EIO : ret;
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goto virt_mouse_init_err;
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}
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if(ioctl(fd, UI_DEV_CREATE) < 0) {
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ret = errno > 0 ? errno : -1 * errno;
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ret = ret == 0 ? -EIO : ret;
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goto virt_mouse_init_err;
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}
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// initialization ok
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kbd->fd = fd;
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ret = 0;
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virt_mouse_init_err:
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if (ret != 0) {
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kbd->fd = -1;
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close(fd);
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}
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return ret;
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}
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int virt_kbd_get_fd(virt_kbd_t *const kbd) {
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return kbd->fd;
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}
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int virt_kbd_send(virt_kbd_t *const kbd, keyboard_status_t *const status, struct timeval *const now) {
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int res = 0;
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struct timeval syn_time;
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gettimeofday(&syn_time, NULL);
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struct input_event tmp_ev;
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gettimeofday(&tmp_ev.time, NULL);
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if (now != NULL) {
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tmp_ev.time = *now;
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}
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tmp_ev.type = EV_KEY;
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if (status->q != kbd->prev_q) {
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tmp_ev.code = KEY_Q;
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tmp_ev.value = kbd->prev_q = status->q;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->w != kbd->prev_w) {
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tmp_ev.code = KEY_W;
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tmp_ev.value = kbd->prev_w = status->w;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->e != kbd->prev_e) {
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tmp_ev.code = KEY_E;
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tmp_ev.value = kbd->prev_e = status->e;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->r != kbd->prev_r) {
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tmp_ev.code = KEY_R;
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tmp_ev.value = kbd->prev_r = status->r;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->t != kbd->prev_t) {
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tmp_ev.code = KEY_T;
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tmp_ev.value = kbd->prev_t = status->t;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->y != kbd->prev_y) {
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tmp_ev.code = KEY_Y;
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tmp_ev.value = kbd->prev_y = status->y;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->u != kbd->prev_u) {
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tmp_ev.code = KEY_U;
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tmp_ev.value = kbd->prev_u = status->u;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->i != kbd->prev_i) {
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tmp_ev.code = KEY_I;
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tmp_ev.value = kbd->prev_i = status->i;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->o != kbd->prev_o) {
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tmp_ev.code = KEY_O;
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tmp_ev.value = kbd->prev_o = status->o;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->p != kbd->prev_p) {
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tmp_ev.code = KEY_P;
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tmp_ev.value = kbd->prev_p = status->p;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->a != kbd->prev_a) {
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tmp_ev.code = KEY_A;
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tmp_ev.value = kbd->prev_a = status->a;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->s != kbd->prev_s) {
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tmp_ev.code = KEY_S;
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tmp_ev.value = kbd->prev_s = status->s;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->d != kbd->prev_d) {
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tmp_ev.code = KEY_D;
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tmp_ev.value = kbd->prev_d = status->d;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->f != kbd->prev_f) {
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tmp_ev.code = KEY_F;
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tmp_ev.value = kbd->prev_f = status->f;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->g != kbd->prev_g) {
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tmp_ev.code = KEY_G;
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tmp_ev.value = kbd->prev_g = status->g;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->h != kbd->prev_h) {
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tmp_ev.code = KEY_H;
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tmp_ev.value = kbd->prev_h = status->h;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->j != kbd->prev_j) {
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tmp_ev.code = KEY_J;
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tmp_ev.value = kbd->prev_j = status->j;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->k != kbd->prev_k) {
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tmp_ev.code = KEY_K;
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tmp_ev.value = kbd->prev_k = status->k;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->l != kbd->prev_l) {
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tmp_ev.code = KEY_L;
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tmp_ev.value = kbd->prev_l = status->l;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->z != kbd->prev_z) {
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tmp_ev.code = KEY_Z;
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tmp_ev.value = kbd->prev_z = status->z;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->x != kbd->prev_x) {
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tmp_ev.code = KEY_X;
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tmp_ev.value = kbd->prev_x = status->x;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->c != kbd->prev_c) {
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tmp_ev.code = KEY_C;
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tmp_ev.value = kbd->prev_c = status->c;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->v != kbd->prev_v) {
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tmp_ev.code = KEY_V;
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tmp_ev.value = kbd->prev_v = status->v;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->b != kbd->prev_b) {
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tmp_ev.code = KEY_B;
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tmp_ev.value = kbd->prev_b = status->b;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->n != kbd->prev_n) {
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tmp_ev.code = KEY_N;
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tmp_ev.value = kbd->prev_n = status->n;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->m != kbd->prev_m) {
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tmp_ev.code = KEY_M;
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tmp_ev.value = kbd->prev_m = status->m;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_0 != kbd->prev_num_0) {
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tmp_ev.code = KEY_0;
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tmp_ev.value = kbd->prev_num_0 = status->num_0;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_1 != kbd->prev_num_1) {
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tmp_ev.code = KEY_1;
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tmp_ev.value = kbd->prev_num_1 = status->num_1;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_2 != kbd->prev_num_2) {
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tmp_ev.code = KEY_2;
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tmp_ev.value = kbd->prev_num_2 = status->num_2;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_3 != kbd->prev_num_3) {
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tmp_ev.code = KEY_3;
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tmp_ev.value = kbd->prev_num_3 = status->num_3;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_4 != kbd->prev_num_4) {
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tmp_ev.code = KEY_4;
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tmp_ev.value = kbd->prev_num_4 = status->num_4;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_5 != kbd->prev_num_5) {
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tmp_ev.code = KEY_5;
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tmp_ev.value = kbd->prev_num_5 = status->num_5;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_6 != kbd->prev_num_6) {
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tmp_ev.code = KEY_6;
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tmp_ev.value = kbd->prev_num_6 = status->num_6;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_7 != kbd->prev_num_7) {
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tmp_ev.code = KEY_7;
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tmp_ev.value = kbd->prev_num_7 = status->num_7;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_8 != kbd->prev_num_8) {
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tmp_ev.code = KEY_8;
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tmp_ev.value = kbd->prev_num_8 = status->num_8;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->num_9 != kbd->prev_num_9) {
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tmp_ev.code = KEY_9;
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tmp_ev.value = kbd->prev_num_9 = status->num_9;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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res = errno < 0 ? errno : -1 * errno;
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goto virt_kbd_send_err;
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}
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}
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if (status->lctrl != kbd->prev_lctrl) {
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tmp_ev.code = KEYBOARD_KEY_LCRTL;
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tmp_ev.value = kbd->prev_lctrl = status->lctrl;
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if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
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|
res = errno < 0 ? errno : -1 * errno;
|
|
goto virt_kbd_send_err;
|
|
}
|
|
}
|
|
|
|
if (status->up != kbd->prev_up) {
|
|
tmp_ev.code = KEYBOARD_KEY_UP;
|
|
tmp_ev.value = kbd->prev_up = status->up;
|
|
if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
|
|
res = errno < 0 ? errno : -1 * errno;
|
|
goto virt_kbd_send_err;
|
|
}
|
|
}
|
|
|
|
if (status->down != kbd->prev_down) {
|
|
tmp_ev.code = KEYBOARD_KEY_DOWN;
|
|
tmp_ev.value = kbd->prev_down = status->down;
|
|
if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
|
|
res = errno < 0 ? errno : -1 * errno;
|
|
goto virt_kbd_send_err;
|
|
}
|
|
}
|
|
|
|
if (status->left != kbd->prev_left) {
|
|
tmp_ev.code = KEYBOARD_KEY_LEFT;
|
|
tmp_ev.value = kbd->prev_left = status->left;
|
|
if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
|
|
res = errno < 0 ? errno : -1 * errno;
|
|
goto virt_kbd_send_err;
|
|
}
|
|
}
|
|
|
|
if (status->right != kbd->prev_right) {
|
|
tmp_ev.code = KEYBOARD_KEY_RIGHT;
|
|
tmp_ev.value = kbd->prev_right = status->right;
|
|
if (write(kbd->fd, &tmp_ev, sizeof(tmp_ev)) != sizeof(struct input_event)) {
|
|
res = errno < 0 ? errno : -1 * errno;
|
|
goto virt_kbd_send_err;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
const struct input_event timestamp_ev = {
|
|
.code = MSC_TIMESTAMP,
|
|
.type = EV_MSC,
|
|
.value = (now.tv_sec - secAtInit)*1000000 + (now.tv_usec - usecAtInit),
|
|
.time = now,
|
|
};
|
|
const ssize_t timestamp_written = write(fd, (void*)×tamp_ev, sizeof(timestamp_ev));
|
|
if (timestamp_written != sizeof(timestamp_ev)) {
|
|
fprintf(stderr, "Error in sync: written %ld bytes out of %ld\n", timestamp_written, sizeof(timestamp_ev));
|
|
}
|
|
#endif
|
|
|
|
syn_time.tv_usec += 1;
|
|
const struct input_event syn_ev = {
|
|
.code = SYN_REPORT,
|
|
.type = EV_SYN,
|
|
.value = 0,
|
|
.time = syn_time,
|
|
};
|
|
const ssize_t sync_written = write(kbd->fd, (void*)&syn_ev, sizeof(syn_ev));
|
|
if (sync_written != sizeof(syn_ev)) {
|
|
fprintf(stderr, "Error in sync: written %ld bytes out of %ld\n", sync_written, sizeof(syn_ev));
|
|
}
|
|
|
|
virt_kbd_send_err:
|
|
return res;
|
|
}
|
|
|
|
void virt_kbd_close(virt_kbd_t *const kbd) {
|
|
close(kbd->fd);
|
|
} |