*/
#include <stdio.h>
#include <stdlib.h>
+#include <pwd.h>
+#include <sys/types.h>
#include <string.h>
#include <unistd.h>
#include <stdbool.h>
#include <ev.h>
#include <sys/mman.h>
#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-compose.h>
#include <xkbcommon/xkbcommon-x11.h>
#include <cairo.h>
#include <cairo/cairo-xcb.h>
static struct ev_timer *discard_passwd_timeout;
extern unlock_state_t unlock_state;
extern pam_state_t pam_state;
+int failed_attempts = 0;
+bool show_failed_attempts = false;
static struct xkb_state *xkb_state;
static struct xkb_context *xkb_context;
static struct xkb_keymap *xkb_keymap;
+static struct xkb_compose_table *xkb_compose_table;
+static struct xkb_compose_state *xkb_compose_state;
static uint8_t xkb_base_event;
static uint8_t xkb_base_error;
bool skip_repeated_empty_password = false;
/* isutf, u8_dec © 2005 Jeff Bezanson, public domain */
-#define isutf(c) (((c) & 0xC0) != 0x80)
+#define isutf(c) (((c)&0xC0) != 0x80)
/*
* Decrements i to point to the previous unicode glyph
return true;
}
+/*
+ * Loads the XKB compose table from the given locale.
+ *
+ */
+static bool load_compose_table(const char *locale) {
+ xkb_compose_table_unref(xkb_compose_table);
+
+ if ((xkb_compose_table = xkb_compose_table_new_from_locale(xkb_context, locale, 0)) == NULL) {
+ fprintf(stderr, "[i3lock] xkb_compose_table_new_from_locale failed\n");
+ return false;
+ }
+
+ struct xkb_compose_state *new_compose_state = xkb_compose_state_new(xkb_compose_table, 0);
+ if (new_compose_state == NULL) {
+ fprintf(stderr, "[i3lock] xkb_compose_state_new failed\n");
+ return false;
+ }
+
+ xkb_compose_state_unref(xkb_compose_state);
+ xkb_compose_state = new_compose_state;
+
+ return true;
+}
+
/*
* Clears the memory which stored the password to be a bit safer against
* cold-boot attacks.
vpassword[c] = c + (int)beep;
}
-ev_timer* start_timer(ev_timer *timer_obj, ev_tstamp timeout, ev_callback_t callback) {
+ev_timer *start_timer(ev_timer *timer_obj, ev_tstamp timeout, ev_callback_t callback) {
if (timer_obj) {
ev_timer_stop(main_loop, timer_obj);
ev_timer_set(timer_obj, timeout, 0.);
return timer_obj;
}
-ev_timer* stop_timer(ev_timer *timer_obj) {
+ev_timer *stop_timer(ev_timer *timer_obj) {
if (timer_obj) {
ev_timer_stop(main_loop, timer_obj);
free(timer_obj);
fprintf(stderr, "Authentication failure\n");
pam_state = STATE_PAM_WRONG;
+ failed_attempts += 1;
clear_input();
redraw_screen();
}
}
-/*
- * Called when the user releases a key. We need to leave the Mode_switch
- * state when the user releases the Mode_switch key.
- *
- */
-static void handle_key_release(xcb_key_release_event_t *event) {
- xkb_state_update_key(xkb_state, event->detail, XKB_KEY_UP);
-}
-
static void redraw_timeout(EV_P_ ev_timer *w, int revents) {
redraw_screen();
STOP_TIMER(w);
char buffer[128];
int n;
bool ctrl;
+ bool composed = false;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
- xkb_state_update_key(xkb_state, event->detail, XKB_KEY_DOWN);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
- n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
- switch (ksym) {
- case XKB_KEY_Return:
- case XKB_KEY_KP_Enter:
- case XKB_KEY_XF86ScreenSaver:
- if (skip_without_validation()) {
- clear_input();
- return;
+ if (xkb_compose_state && xkb_compose_state_feed(xkb_compose_state, ksym) == XKB_COMPOSE_FEED_ACCEPTED) {
+ switch (xkb_compose_state_get_status(xkb_compose_state)) {
+ case XKB_COMPOSE_NOTHING:
+ break;
+ case XKB_COMPOSE_COMPOSING:
+ return;
+ case XKB_COMPOSE_COMPOSED:
+ /* xkb_compose_state_get_utf8 doesn't include the terminating byte in the return value
+ * as xkb_keysym_to_utf8 does. Adding one makes the variable n consistent. */
+ n = xkb_compose_state_get_utf8(xkb_compose_state, buffer, sizeof(buffer)) + 1;
+ ksym = xkb_compose_state_get_one_sym(xkb_compose_state);
+ composed = true;
+ break;
+ case XKB_COMPOSE_CANCELLED:
+ xkb_compose_state_reset(xkb_compose_state);
+ return;
}
- password[input_position] = '\0';
- unlock_state = STATE_KEY_PRESSED;
- redraw_screen();
- input_done();
- skip_repeated_empty_password = true;
- return;
- default:
- skip_repeated_empty_password = false;
+ }
+
+ if (!composed) {
+ n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
}
switch (ksym) {
- case XKB_KEY_u:
- if (ctrl) {
- DEBUG("C-u pressed\n");
- clear_input();
+ case XKB_KEY_Return:
+ case XKB_KEY_KP_Enter:
+ case XKB_KEY_XF86ScreenSaver:
+ if (pam_state == STATE_PAM_WRONG)
+ return;
+
+ if (skip_without_validation()) {
+ clear_input();
+ return;
+ }
+ password[input_position] = '\0';
+ unlock_state = STATE_KEY_PRESSED;
+ redraw_screen();
+ input_done();
+ skip_repeated_empty_password = true;
return;
- }
- break;
+ default:
+ skip_repeated_empty_password = false;
+ }
- case XKB_KEY_Escape:
- clear_input();
- return;
+ switch (ksym) {
+ case XKB_KEY_u:
+ if (ctrl) {
+ DEBUG("C-u pressed\n");
+ clear_input();
+ return;
+ }
+ break;
- case XKB_KEY_BackSpace:
- if (input_position == 0)
+ case XKB_KEY_Escape:
+ clear_input();
return;
- /* decrement input_position to point to the previous glyph */
- u8_dec(password, &input_position);
- password[input_position] = '\0';
+ case XKB_KEY_BackSpace:
+ if (input_position == 0)
+ return;
- /* Hide the unlock indicator after a bit if the password buffer is
+ /* decrement input_position to point to the previous glyph */
+ u8_dec(password, &input_position);
+ password[input_position] = '\0';
+
+ /* Hide the unlock indicator after a bit if the password buffer is
* empty. */
- START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
- unlock_state = STATE_BACKSPACE_ACTIVE;
- redraw_screen();
- unlock_state = STATE_KEY_PRESSED;
- return;
+ START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
+ unlock_state = STATE_BACKSPACE_ACTIVE;
+ redraw_screen();
+ unlock_state = STATE_KEY_PRESSED;
+ return;
}
if ((input_position + 8) >= sizeof(password))
return;
/* store it in the password array as UTF-8 */
- memcpy(password+input_position, buffer, n-1);
- input_position += n-1;
+ memcpy(password + input_position, buffer, n - 1);
+ input_position += n - 1;
DEBUG("current password = %.*s\n", input_position, password);
unlock_state = STATE_KEY_ACTIVE;
*
*/
static void handle_visibility_notify(xcb_connection_t *conn,
- xcb_visibility_notify_event_t *event) {
+ xcb_visibility_notify_event_t *event) {
if (event->state != XCB_VISIBILITY_UNOBSCURED) {
- uint32_t values[] = { XCB_STACK_MODE_ABOVE };
+ uint32_t values[] = {XCB_STACK_MODE_ABOVE};
xcb_configure_window(conn, event->window, XCB_CONFIG_WINDOW_STACK_MODE, values);
xcb_flush(conn);
}
xcb_xkb_new_keyboard_notify_event_t new_keyboard_notify;
xcb_xkb_map_notify_event_t map_notify;
xcb_xkb_state_notify_event_t state_notify;
- } *event = (union xkb_event*)gevent;
+ } *event = (union xkb_event *)gevent;
DEBUG("process_xkb_event for device %d\n", event->any.deviceID);
*
*/
static int conv_callback(int num_msg, const struct pam_message **msg,
- struct pam_response **resp, void *appdata_ptr)
-{
+ struct pam_response **resp, void *appdata_ptr) {
if (num_msg == 0)
return 1;
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
+ if (xcb_connection_has_error(conn))
+ errx(EXIT_FAILURE, "X11 connection broke, did your server terminate?\n");
+
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
- xcb_generic_error_t *error = (xcb_generic_error_t*)event;
+ xcb_generic_error_t *error = (xcb_generic_error_t *)event;
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
switch (type) {
case XCB_KEY_PRESS:
- handle_key_press((xcb_key_press_event_t*)event);
+ handle_key_press((xcb_key_press_event_t *)event);
break;
case XCB_KEY_RELEASE:
- handle_key_release((xcb_key_release_event_t*)event);
-
/* If this was the backspace or escape key we are back at an
* empty input, so turn off the screen if DPMS is enabled, but
* only do that after some timeout: maybe user mistyped and
break;
case XCB_VISIBILITY_NOTIFY:
- handle_visibility_notify(conn, (xcb_visibility_notify_event_t*)event);
+ handle_visibility_notify(conn, (xcb_visibility_notify_event_t *)event);
break;
case XCB_MAP_NOTIFY:
/* We need to know about the window being obscured or getting destroyed. */
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK,
- (uint32_t[]){
- XCB_EVENT_MASK_VISIBILITY_CHANGE |
- XCB_EVENT_MASK_STRUCTURE_NOTIFY
- });
+ (uint32_t[]){
+ XCB_EVENT_MASK_VISIBILITY_CHANGE |
+ XCB_EVENT_MASK_STRUCTURE_NOTIFY});
xcb_flush(conn);
DEBUG("Watching window 0x%08x\n", window);
while ((event = xcb_wait_for_event(conn)) != NULL) {
if (event->response_type == 0) {
- xcb_generic_error_t *error = (xcb_generic_error_t*)event;
+ xcb_generic_error_t *error = (xcb_generic_error_t *)event;
DEBUG("X11 Error received! sequence 0x%x, error_code = %d\n",
- error->sequence, error->error_code);
+ error->sequence, error->error_code);
free(event);
continue;
}
DEBUG("Read event of type %d\n", type);
switch (type) {
case XCB_VISIBILITY_NOTIFY:
- handle_visibility_notify(conn, (xcb_visibility_notify_event_t*)event);
+ handle_visibility_notify(conn, (xcb_visibility_notify_event_t *)event);
break;
case XCB_UNMAP_NOTIFY:
- DEBUG("UnmapNotify for 0x%08x\n", (((xcb_unmap_notify_event_t*)event)->window));
- if (((xcb_unmap_notify_event_t*)event)->window == window)
+ DEBUG("UnmapNotify for 0x%08x\n", (((xcb_unmap_notify_event_t *)event)->window));
+ if (((xcb_unmap_notify_event_t *)event)->window == window)
exit(EXIT_SUCCESS);
break;
case XCB_DESTROY_NOTIFY:
- DEBUG("DestroyNotify for 0x%08x\n", (((xcb_destroy_notify_event_t*)event)->window));
- if (((xcb_destroy_notify_event_t*)event)->window == window)
+ DEBUG("DestroyNotify for 0x%08x\n", (((xcb_destroy_notify_event_t *)event)->window));
+ if (((xcb_destroy_notify_event_t *)event)->window == window)
exit(EXIT_SUCCESS);
break;
default:
}
int main(int argc, char *argv[]) {
+ struct passwd *pw;
char *username;
char *image_path = NULL;
int ret;
{"beep", no_argument, NULL, 'b'},
{"dpms", no_argument, NULL, 'd'},
{"color", required_argument, NULL, 'c'},
- {"pointer", required_argument, NULL , 'p'},
+ {"pointer", required_argument, NULL, 'p'},
{"debug", no_argument, NULL, 0},
{"help", no_argument, NULL, 'h'},
{"no-unlock-indicator", no_argument, NULL, 'u'},
{"tiling", no_argument, NULL, 't'},
{"ignore-empty-password", no_argument, NULL, 'e'},
{"inactivity-timeout", required_argument, NULL, 'I'},
- {NULL, no_argument, NULL, 0}
- };
+ {"show-failed-attempts", no_argument, NULL, 'f'},
+ {NULL, no_argument, NULL, 0}};
- if ((username = getenv("USER")) == NULL)
- errx(EXIT_FAILURE, "USER environment variable not set, please set it.\n");
+ if ((pw = getpwuid(getuid())) == NULL)
+ err(EXIT_FAILURE, "getpwuid() failed");
+ if ((username = pw->pw_name) == NULL)
+ errx(EXIT_FAILURE, "pw->pw_name is NULL.\n");
- char *optstring = "hvnbdc:p:ui:teI:";
+ char *optstring = "hvnbdc:p:ui:teI:f";
while ((o = getopt_long(argc, argv, optstring, longopts, &optind)) != -1) {
switch (o) {
- case 'v':
- errx(EXIT_SUCCESS, "version " VERSION " © 2010-2012 Michael Stapelberg");
- case 'n':
- dont_fork = true;
- break;
- case 'b':
- beep = true;
- break;
- case 'd':
- dpms = true;
- break;
- case 'I': {
- int time = 0;
- if (sscanf(optarg, "%d", &time) != 1 || time < 0)
- errx(EXIT_FAILURE, "invalid timeout, it must be a positive integer\n");
- inactivity_timeout = time;
- break;
- }
- case 'c': {
- char *arg = optarg;
+ case 'v':
+ errx(EXIT_SUCCESS, "version " VERSION " © 2010-2012 Michael Stapelberg");
+ case 'n':
+ dont_fork = true;
+ break;
+ case 'b':
+ beep = true;
+ break;
+ case 'd':
+ dpms = true;
+ break;
+ case 'I': {
+ int time = 0;
+ if (sscanf(optarg, "%d", &time) != 1 || time < 0)
+ errx(EXIT_FAILURE, "invalid timeout, it must be a positive integer\n");
+ inactivity_timeout = time;
+ break;
+ }
+ case 'c': {
+ char *arg = optarg;
- /* Skip # if present */
- if (arg[0] == '#')
- arg++;
+ /* Skip # if present */
+ if (arg[0] == '#')
+ arg++;
- if (strlen(arg) != 6 || sscanf(arg, "%06[0-9a-fA-F]", color) != 1)
- errx(EXIT_FAILURE, "color is invalid, it must be given in 3-byte hexadecimal format: rrggbb\n");
+ if (strlen(arg) != 6 || sscanf(arg, "%06[0-9a-fA-F]", color) != 1)
+ errx(EXIT_FAILURE, "color is invalid, it must be given in 3-byte hexadecimal format: rrggbb\n");
- break;
- }
- case 'u':
- unlock_indicator = false;
- break;
- case 'i':
- image_path = strdup(optarg);
- break;
- case 't':
- tile = true;
- break;
- case 'p':
- if (!strcmp(optarg, "win")) {
- curs_choice = CURS_WIN;
- } else if (!strcmp(optarg, "default")) {
- curs_choice = CURS_DEFAULT;
- } else {
- errx(EXIT_FAILURE, "i3lock: Invalid pointer type given. Expected one of \"win\" or \"default\".\n");
+ break;
}
- break;
- case 'e':
- ignore_empty_password = true;
- break;
- case 0:
- if (strcmp(longopts[optind].name, "debug") == 0)
- debug_mode = true;
- break;
- default:
- errx(EXIT_FAILURE, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-u] [-p win|default]"
- " [-i image.png] [-t] [-e] [-I]"
- );
+ case 'u':
+ unlock_indicator = false;
+ break;
+ case 'i':
+ image_path = strdup(optarg);
+ break;
+ case 't':
+ tile = true;
+ break;
+ case 'p':
+ if (!strcmp(optarg, "win")) {
+ curs_choice = CURS_WIN;
+ } else if (!strcmp(optarg, "default")) {
+ curs_choice = CURS_DEFAULT;
+ } else {
+ errx(EXIT_FAILURE, "i3lock: Invalid pointer type given. Expected one of \"win\" or \"default\".\n");
+ }
+ break;
+ case 'e':
+ ignore_empty_password = true;
+ break;
+ case 0:
+ if (strcmp(longopts[optind].name, "debug") == 0)
+ debug_mode = true;
+ break;
+ case 'f':
+ show_failed_attempts = true;
+ break;
+ default:
+ errx(EXIT_FAILURE, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-u] [-p win|default]"
+ " [-i image.png] [-t] [-e] [-I] [-f]");
}
}
errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
if (xkb_x11_setup_xkb_extension(conn,
- XKB_X11_MIN_MAJOR_XKB_VERSION,
- XKB_X11_MIN_MINOR_XKB_VERSION,
- 0,
- NULL,
- NULL,
- &xkb_base_event,
- &xkb_base_error) != 1)
+ XKB_X11_MIN_MAJOR_XKB_VERSION,
+ XKB_X11_MIN_MINOR_XKB_VERSION,
+ 0,
+ NULL,
+ NULL,
+ &xkb_base_event,
+ &xkb_base_error) != 1)
errx(EXIT_FAILURE, "Could not setup XKB extension.");
static const xcb_xkb_map_part_t required_map_parts =
if (!load_keymap())
errx(EXIT_FAILURE, "Could not load keymap");
+ const char *locale = getenv("LC_ALL");
+ if (!locale)
+ locale = getenv("LC_CTYPE");
+ if (!locale)
+ locale = getenv("LANG");
+ if (!locale) {
+ if (debug_mode)
+ fprintf(stderr, "Can't detect your locale, fallback to C\n");
+ locale = "C";
+ }
+
+ load_compose_table(locale);
+
xinerama_init();
xinerama_query_screens();
last_resolution[1] = screen->height_in_pixels;
xcb_change_window_attributes(conn, screen->root, XCB_CW_EVENT_MASK,
- (uint32_t[]){ XCB_EVENT_MASK_STRUCTURE_NOTIFY });
+ (uint32_t[]){XCB_EVENT_MASK_STRUCTURE_NOTIFY});
if (image_path) {
/* Create a pixmap to render on, fill it with the background color */