mirror of
https://github.com/Raymo111/i3lock-color.git
synced 2024-11-11 13:50:52 -05:00
2352 lines
78 KiB
C
2352 lines
78 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* © 2010 Michael Stapelberg
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* © 2015 Cassandra Fox
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* © 2020 Raymond Li
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*
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* See LICENSE for licensing information
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*
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*/
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#include <config.h>
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#include <pthread.h>
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#include <math.h>
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#include <stdio.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <xcb/xcb.h>
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#include <xcb/xkb.h>
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#include <xcb/xproto.h>
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#include <err.h>
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#include <errno.h>
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#include <assert.h>
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#ifdef __OpenBSD__
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#include <bsd_auth.h>
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#else
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#include <security/pam_appl.h>
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#endif
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#include <getopt.h>
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#include <string.h>
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#include <ev.h>
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#include <sys/mman.h>
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#include <xkbcommon/xkbcommon.h>
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#if XKBCOMPOSE == 1
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#include <xkbcommon/xkbcommon-compose.h>
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#endif
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#include <xkbcommon/xkbcommon-x11.h>
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#include <cairo.h>
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#include <cairo/cairo-xcb.h>
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#ifdef HAVE_EXPLICIT_BZERO
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#include <strings.h> /* explicit_bzero(3) */
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#endif
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#include <xcb/xcb_aux.h>
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#include <xcb/randr.h>
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#include "i3lock.h"
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#include "xcb.h"
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#include "cursors.h"
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#include "unlock_indicator.h"
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#include "randr.h"
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#include "dpi.h"
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#include "blur.h"
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#include "jpg.h"
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#include "fonts.h"
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#define TSTAMP_N_SECS(n) (n * 1.0)
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#define TSTAMP_N_MINS(n) (60 * TSTAMP_N_SECS(n))
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#define START_TIMER(timer_obj, timeout, callback) \
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timer_obj = start_timer(timer_obj, timeout, callback)
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#define STOP_TIMER(timer_obj) \
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timer_obj = stop_timer(timer_obj)
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typedef void (*ev_callback_t)(EV_P_ ev_timer *w, int revents);
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static void input_done(void);
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char color[9] = "ffffffff";
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/* options for unlock indicator colors */
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char insidevercolor[9] = "006effbf";
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char insidewrongcolor[9] = "fa0000bf";
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char insidecolor[9] = "000000bf";
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char ringvercolor[9] = "3300faff";
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char ringwrongcolor[9] = "7d3300ff";
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char ringcolor[9] = "337d00ff";
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char linecolor[9] = "000000ff";
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char verifcolor[9] = "000000ff";
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char wrongcolor[9] = "000000ff";
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char layoutcolor[9] = "000000ff";
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char timecolor[9] = "000000ff";
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char datecolor[9] = "000000ff";
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char keyhlcolor[9] = "33db00ff";
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char bshlcolor[9] = "db3300ff";
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char separatorcolor[9] = "000000ff";
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char greetercolor[9] = "000000ff";
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/* int defining which display the lock indicator should be shown on. If -1, then show on all displays.*/
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int screen_number = 0;
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/* default is to use the supplied line color, 1 will be ring color, 2 will be to use the inside color for ver/wrong/etc */
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int internal_line_source = 0;
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/* bool for showing the clock; why am I commenting this? */
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bool show_clock = false;
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bool slideshow_enabled = false;
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bool always_show_clock = false;
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bool show_indicator = false;
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float refresh_rate = 1.0;
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/* there's some issues with compositing - upstream removed support for this, but we'll allow people to supply an arg to enable it */
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bool composite = false;
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/* time formatter strings for date/time
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I picked 32-length char arrays because some people might want really funky time formatters.
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Who am I to judge?
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*/
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/*
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* 0 = center
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* 1 = left
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* 2 = right
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*/
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int verif_align = 0;
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int wrong_align = 0;
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int time_align = 0;
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int date_align = 0;
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int layout_align = 0;
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int modif_align = 0;
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int greeter_align = 0;
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char time_format[64] = "%H:%M:%S\0";
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char date_format[64] = "%A, %m %Y\0";
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char verif_font[64] = "sans-serif\0";
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char wrong_font[64] = "sans-serif\0";
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char layout_font[64] = "sans-serif\0";
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char time_font[64] = "sans-serif\0";
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char date_font[64] = "sans-serif\0";
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char greeter_font[64] = "sans-serif\0";
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char* fonts[6] = {
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verif_font,
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wrong_font,
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layout_font,
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time_font,
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date_font,
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greeter_font
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};
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char ind_x_expr[32] = "x + (w / 2)\0";
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char ind_y_expr[32] = "y + (h / 2)\0";
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char time_x_expr[32] = "ix\0";
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char time_y_expr[32] = "iy\0";
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char date_x_expr[32] = "tx\0";
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char date_y_expr[32] = "ty+30\0";
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char layout_x_expr[32] = "dx\0";
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char layout_y_expr[32] = "dy+30\0";
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char status_x_expr[32] = "ix\0";
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char status_y_expr[32] = "iy\0";
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char modif_x_expr[32] = "ix\0";
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char modif_y_expr[32] = "iy+28\0";
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char verif_x_expr[32] = "ix\0";
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char verif_y_expr[32] = "iy\0";
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char wrong_x_expr[32] = "ix\0";
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char wrong_y_expr[32] = "iy\0";
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char greeter_x_expr[32] = "ix\0";
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char greeter_y_expr[32] = "ix\0";
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double time_size = 32.0;
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double date_size = 14.0;
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double verif_size = 28.0;
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double wrong_size = 28.0;
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double modifier_size = 14.0;
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double layout_size = 14.0;
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double circle_radius = 90.0;
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double ring_width = 7.0;
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double greeter_size = 32.0;
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char* verif_text = "verifying…";
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char* wrong_text = "wrong!";
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char* noinput_text = "no input";
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char* lock_text = "locking…";
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char* lock_failed_text = "lock failed!";
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int keylayout_mode = -1;
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char* layout_text = NULL;
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char* greeter_text = "";
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/* opts for blurring */
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bool blur = false;
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bool step_blur = false;
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int blur_sigma = 5;
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/* do not verify password */
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bool no_verify = false;
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uint32_t last_resolution[2];
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xcb_window_t win;
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static xcb_cursor_t cursor;
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#ifndef __OpenBSD__
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static pam_handle_t *pam_handle;
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static bool pam_cleanup;
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#endif
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int input_position = 0;
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/* Holds the password you enter (in UTF-8). */
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static char password[512];
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static bool beep = false;
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bool debug_mode = false;
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bool unlock_indicator = true;
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char *modifier_string = NULL;
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static bool dont_fork = false;
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struct ev_loop *main_loop;
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static struct ev_timer *clear_auth_wrong_timeout;
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static struct ev_timer *clear_indicator_timeout;
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static struct ev_timer *discard_passwd_timeout;
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extern unlock_state_t unlock_state;
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extern auth_state_t auth_state;
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int failed_attempts = 0;
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bool show_failed_attempts = false;
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bool retry_verification = false;
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static struct xkb_state *xkb_state;
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static struct xkb_context *xkb_context;
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static struct xkb_keymap *xkb_keymap;
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#if XKBCOMPOSE == 1
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static struct xkb_compose_table *xkb_compose_table;
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static struct xkb_compose_state *xkb_compose_state;
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#endif
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static uint8_t xkb_base_event;
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static uint8_t xkb_base_error;
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static int randr_base = -1;
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cairo_surface_t *img = NULL;
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cairo_surface_t *blur_img = NULL;
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cairo_surface_t *img_slideshow[256];
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int slideshow_image_count = 0;
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int slideshow_interval = 10;
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bool slideshow_random_selection = false;
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bool tile = false;
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bool centered = false;
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bool ignore_empty_password = false;
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bool skip_repeated_empty_password = false;
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bool pass_media_keys = false;
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bool pass_screen_keys = false;
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bool pass_power_keys = false;
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bool pass_volume_keys = false;
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// for the rendering thread, so we can clean it up
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pthread_t draw_thread;
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// main thread still sometimes calls redraw()
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// allow you to disable. handy if you use bar with lots of crap.
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bool redraw_thread = false;
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#define BAR_VERT 0
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#define BAR_FLAT 1
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#define BAR_DEFAULT 0
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#define BAR_REVERSED 1
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#define BAR_BIDIRECTIONAL 2
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// experimental bar stuff
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bool bar_enabled = false;
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double *bar_heights = NULL;
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double bar_step = 15;
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double bar_base_height = 25;
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double bar_periodic_step = 15;
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double max_bar_height = 25;
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int num_bars = 0;
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int bar_width = 150;
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int bar_orientation = BAR_FLAT;
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char bar_base_color[9] = "000000ff";
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char bar_expr[32] = "0\0";
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bool bar_bidirectional = false;
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bool bar_reversed = false;
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/* isutf, u8_dec © 2005 Jeff Bezanson, public domain */
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#define isutf(c) (((c)&0xC0) != 0x80)
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/*
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* Checks if the given path leads to an actual file or something else, e.g. a directory
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*/
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int is_directory(const char *path) {
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struct stat path_stat;
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stat(path, &path_stat);
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return S_ISDIR(path_stat.st_mode);
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}
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/*
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* Decrements i to point to the previous unicode glyph
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*
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*/
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static void u8_dec(char *s, int *i) {
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(void)(isutf(s[--(*i)]) || isutf(s[--(*i)]) || isutf(s[--(*i)]) || --(*i));
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}
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/*
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* fetches the keylayout name
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* -1 (do not)
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* arg: 0 (show full string returned)
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* 1 (show the text, sans parenthesis)
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* 2 (show just what's in the parenthesis)
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*
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* credit to the XKB/xcb implementation (no libx11) from https://gist.github.com/bluetech/6061368
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* docs are really sparse, so finding some random implementation was nice
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*/
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static char* get_keylayoutname(int mode, xcb_connection_t* conn) {
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if (mode < 0 || mode > 2) return NULL;
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char *newans = NULL, *newans2 = NULL, *answer = xcb_get_key_group_names(conn);
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int substringStart = 0, substringEnd = 0, size = 0;
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DEBUG("keylayout answer is: [%s]\n", answer);
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switch (mode) {
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case 1:
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// truncate the string at the first parens
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for (int i = 0; answer[i] != '\0'; ++i) {
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if (answer[i] == '(') {
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if (i != 0 && answer[i - 1] == ' ') {
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answer[i - 1] = '\0';
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break;
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} else {
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answer[i] = '\0';
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break;
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}
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}
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}
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break;
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case 2:
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for (int i = 0; answer[i] != '\0'; ++i) {
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if (answer[i] == '(') {
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newans = &answer[i + 1];
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substringStart = i + 1;
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} else if (answer[i] == ')' && newans != NULL) {
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answer[i] = '\0';
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substringEnd = i;
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break;
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}
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}
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if (newans != NULL) {
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size = sizeof(char) * (substringEnd - substringStart + 1);
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newans2 = malloc(size);
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memcpy(newans2, newans, size);
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free(answer);
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answer = newans2;
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}
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break;
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case 0:
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// fall through
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default:
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break;
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}
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DEBUG("answer after mode parsing: [%s]\n", answer);
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// Free symbolic names structures
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return answer;
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}
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/*
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* Loads the XKB keymap from the X11 server and feeds it to xkbcommon.
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* Necessary so that we can properly let xkbcommon track the keyboard state and
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* translate keypresses to utf-8.
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*
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*/
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static bool load_keymap(void) {
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if (xkb_context == NULL) {
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if ((xkb_context = xkb_context_new(0)) == NULL) {
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fprintf(stderr, "[i3lock] could not create xkbcommon context\n");
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return false;
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}
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}
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xkb_keymap_unref(xkb_keymap);
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int32_t device_id = xkb_x11_get_core_keyboard_device_id(conn);
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DEBUG("device = %d\n", device_id);
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if ((xkb_keymap = xkb_x11_keymap_new_from_device(xkb_context, conn, device_id, 0)) == NULL) {
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fprintf(stderr, "[i3lock] xkb_x11_keymap_new_from_device failed\n");
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return false;
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}
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struct xkb_state *new_state =
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xkb_x11_state_new_from_device(xkb_keymap, conn, device_id);
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if (new_state == NULL) {
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fprintf(stderr, "[i3lock] xkb_x11_state_new_from_device failed\n");
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return false;
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}
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xkb_state_unref(xkb_state);
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xkb_state = new_state;
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return true;
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}
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#if XKBCOMPOSE == 1
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/*
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* Loads the XKB compose table from the given locale.
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*
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*/
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static bool load_compose_table(const char *locale) {
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xkb_compose_table_unref(xkb_compose_table);
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if ((xkb_compose_table = xkb_compose_table_new_from_locale(xkb_context, locale, 0)) == NULL) {
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fprintf(stderr, "[i3lock] xkb_compose_table_new_from_locale failed\n");
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return false;
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}
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struct xkb_compose_state *new_compose_state = xkb_compose_state_new(xkb_compose_table, 0);
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if (new_compose_state == NULL) {
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fprintf(stderr, "[i3lock] xkb_compose_state_new failed\n");
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return false;
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}
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xkb_compose_state_unref(xkb_compose_state);
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xkb_compose_state = new_compose_state;
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return true;
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}
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#endif /* XKBCOMPOSE */
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/*
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* Clears the memory which stored the password to be a bit safer against
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* cold-boot attacks.
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*
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*/
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static void clear_password_memory(void) {
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#ifdef HAVE_EXPLICIT_BZERO
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/* Use explicit_bzero(3) which was explicitly designed not to be
|
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* optimized out by the compiler. */
|
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explicit_bzero(password, strlen(password));
|
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#else
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/* A volatile pointer to the password buffer to prevent the compiler from
|
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* optimizing this out. */
|
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volatile char *vpassword = password;
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for (size_t c = 0; c < sizeof(password); c++)
|
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/* We store a non-random pattern which consists of the (irrelevant)
|
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* index plus (!) the value of the beep variable. This prevents the
|
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* compiler from optimizing the calls away, since the value of 'beep'
|
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* is not known at compile-time. */
|
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vpassword[c] = c + (int)beep;
|
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#endif
|
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}
|
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|
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ev_timer *start_timer(ev_timer *timer_obj, ev_tstamp timeout, ev_callback_t callback) {
|
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if (timer_obj) {
|
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ev_timer_stop(main_loop, timer_obj);
|
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ev_timer_set(timer_obj, timeout, 0.);
|
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ev_timer_start(main_loop, timer_obj);
|
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} else {
|
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/* When there is no memory, we just don’t have a timeout. We cannot
|
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* exit() here, since that would effectively unlock the screen. */
|
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timer_obj = calloc(sizeof(struct ev_timer), 1);
|
||
if (timer_obj) {
|
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ev_timer_init(timer_obj, callback, timeout, 0.);
|
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ev_timer_start(main_loop, timer_obj);
|
||
}
|
||
}
|
||
return timer_obj;
|
||
}
|
||
|
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ev_timer *stop_timer(ev_timer *timer_obj) {
|
||
if (timer_obj) {
|
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ev_timer_stop(main_loop, timer_obj);
|
||
free(timer_obj);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* Neccessary calls after ending input via enter or others
|
||
*
|
||
*/
|
||
static void finish_input(void) {
|
||
password[input_position] = '\0';
|
||
unlock_state = STATE_KEY_PRESSED;
|
||
redraw_screen();
|
||
input_done();
|
||
}
|
||
|
||
/*
|
||
* Resets auth_state to STATE_AUTH_IDLE 2 seconds after an unsuccessful
|
||
* authentication event.
|
||
*
|
||
*/
|
||
static void clear_auth_wrong(EV_P_ ev_timer *w, int revents) {
|
||
DEBUG("clearing auth wrong\n");
|
||
auth_state = STATE_AUTH_IDLE;
|
||
redraw_screen();
|
||
|
||
/* Clear modifier string. */
|
||
if (modifier_string != NULL) {
|
||
free(modifier_string);
|
||
modifier_string = NULL;
|
||
}
|
||
|
||
/* Now free this timeout. */
|
||
STOP_TIMER(clear_auth_wrong_timeout);
|
||
|
||
/* retry with input done during auth verification */
|
||
if (retry_verification) {
|
||
retry_verification = false;
|
||
finish_input();
|
||
}
|
||
}
|
||
|
||
static void clear_indicator_cb(EV_P_ ev_timer *w, int revents) {
|
||
clear_indicator();
|
||
STOP_TIMER(clear_indicator_timeout);
|
||
}
|
||
|
||
static void clear_input(void) {
|
||
input_position = 0;
|
||
clear_password_memory();
|
||
password[input_position] = '\0';
|
||
}
|
||
|
||
static void discard_passwd_cb(EV_P_ ev_timer *w, int revents) {
|
||
clear_input();
|
||
STOP_TIMER(discard_passwd_timeout);
|
||
}
|
||
|
||
static void input_done(void) {
|
||
STOP_TIMER(clear_auth_wrong_timeout);
|
||
auth_state = STATE_AUTH_VERIFY;
|
||
unlock_state = STATE_STARTED;
|
||
redraw_screen();
|
||
|
||
if (no_verify) {
|
||
ev_break(EV_DEFAULT, EVBREAK_ALL);
|
||
return;
|
||
}
|
||
|
||
#ifdef __OpenBSD__
|
||
struct passwd *pw;
|
||
|
||
if (!(pw = getpwuid(getuid())))
|
||
errx(1, "unknown uid %u.", getuid());
|
||
|
||
if (auth_userokay(pw->pw_name, NULL, NULL, password) != 0) {
|
||
DEBUG("successfully authenticated\n");
|
||
clear_password_memory();
|
||
|
||
ev_break(EV_DEFAULT, EVBREAK_ALL);
|
||
return;
|
||
}
|
||
#else
|
||
if (pam_authenticate(pam_handle, 0) == PAM_SUCCESS) {
|
||
DEBUG("successfully authenticated\n");
|
||
clear_password_memory();
|
||
|
||
/* PAM credentials should be refreshed, this will for example update any kerberos tickets.
|
||
* Related to credentials pam_end() needs to be called to cleanup any temporary
|
||
* credentials like kerberos /tmp/krb5cc_pam_* files which may of been left behind if the
|
||
* refresh of the credentials failed. */
|
||
pam_setcred(pam_handle, PAM_REFRESH_CRED);
|
||
pam_cleanup = true;
|
||
|
||
ev_break(EV_DEFAULT, EVBREAK_ALL);
|
||
return;
|
||
}
|
||
#endif
|
||
|
||
if (debug_mode)
|
||
fprintf(stderr, "Authentication failure\n");
|
||
|
||
/* Get state of Caps and Num lock modifiers, to be displayed in
|
||
* STATE_AUTH_WRONG state */
|
||
xkb_mod_index_t idx, num_mods;
|
||
const char *mod_name;
|
||
|
||
num_mods = xkb_keymap_num_mods(xkb_keymap);
|
||
|
||
for (idx = 0; idx < num_mods; idx++) {
|
||
if (!xkb_state_mod_index_is_active(xkb_state, idx, XKB_STATE_MODS_EFFECTIVE))
|
||
continue;
|
||
|
||
mod_name = xkb_keymap_mod_get_name(xkb_keymap, idx);
|
||
if (mod_name == NULL)
|
||
continue;
|
||
|
||
/* Replace certain xkb names with nicer, human-readable ones. */
|
||
if (strcmp(mod_name, XKB_MOD_NAME_CAPS) == 0)
|
||
mod_name = "Caps Lock";
|
||
else if (strcmp(mod_name, XKB_MOD_NAME_ALT) == 0)
|
||
mod_name = "Alt";
|
||
else if (strcmp(mod_name, XKB_MOD_NAME_NUM) == 0)
|
||
mod_name = "Num Lock";
|
||
else if (strcmp(mod_name, XKB_MOD_NAME_LOGO) == 0)
|
||
mod_name = "Super";
|
||
|
||
char *tmp;
|
||
if (modifier_string == NULL) {
|
||
if (asprintf(&tmp, "%s", mod_name) != -1)
|
||
modifier_string = tmp;
|
||
} else if (asprintf(&tmp, "%s, %s", modifier_string, mod_name) != -1) {
|
||
free(modifier_string);
|
||
modifier_string = tmp;
|
||
}
|
||
}
|
||
|
||
auth_state = STATE_AUTH_WRONG;
|
||
failed_attempts += 1;
|
||
clear_input();
|
||
if (unlock_indicator)
|
||
redraw_screen();
|
||
|
||
/* Clear this state after 2 seconds (unless the user enters another
|
||
* password during that time). */
|
||
ev_now_update(main_loop);
|
||
START_TIMER(clear_auth_wrong_timeout, TSTAMP_N_SECS(2), clear_auth_wrong);
|
||
|
||
/* Cancel the clear_indicator_timeout, it would hide the unlock indicator
|
||
* too early. */
|
||
STOP_TIMER(clear_indicator_timeout);
|
||
|
||
/* beep on authentication failure, if enabled */
|
||
if (beep) {
|
||
xcb_bell(conn, 100);
|
||
xcb_flush(conn);
|
||
}
|
||
}
|
||
|
||
static void redraw_timeout(EV_P_ ev_timer *w, int revents) {
|
||
redraw_screen();
|
||
STOP_TIMER(w);
|
||
}
|
||
|
||
static bool skip_without_validation(void) {
|
||
if (input_position != 0)
|
||
return false;
|
||
|
||
if (skip_repeated_empty_password || ignore_empty_password)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
/*
|
||
* Handle key presses. Fixes state, then looks up the key symbol for the
|
||
* given keycode, then looks up the key symbol (as UCS-2), converts it to
|
||
* UTF-8 and stores it in the password array.
|
||
*
|
||
*/
|
||
static void handle_key_press(xcb_key_press_event_t *event) {
|
||
xkb_keysym_t ksym;
|
||
char buffer[128];
|
||
int n;
|
||
bool ctrl;
|
||
#if XKBCOMPOSE == 1
|
||
bool composed = false;
|
||
#endif
|
||
|
||
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
|
||
ctrl = xkb_state_mod_name_is_active(xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_DEPRESSED);
|
||
|
||
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
|
||
memset(buffer, '\0', sizeof(buffer));
|
||
|
||
#if XKBCOMPOSE == 1
|
||
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;
|
||
}
|
||
}
|
||
|
||
if (!composed) {
|
||
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
|
||
}
|
||
#else
|
||
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
|
||
#endif
|
||
|
||
// media keys
|
||
if (pass_media_keys) {
|
||
switch(ksym) {
|
||
case XKB_KEY_XF86AudioPlay:
|
||
case XKB_KEY_XF86AudioPause:
|
||
case XKB_KEY_XF86AudioStop:
|
||
case XKB_KEY_XF86AudioPrev:
|
||
case XKB_KEY_XF86AudioNext:
|
||
case XKB_KEY_XF86AudioMute:
|
||
case XKB_KEY_XF86AudioLowerVolume:
|
||
case XKB_KEY_XF86AudioRaiseVolume:
|
||
xcb_send_event(conn, true, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, (char *)event);
|
||
return;
|
||
}
|
||
}
|
||
|
||
// screen keys
|
||
if (pass_screen_keys) {
|
||
switch(ksym) {
|
||
case XKB_KEY_XF86MonBrightnessUp:
|
||
case XKB_KEY_XF86MonBrightnessDown:
|
||
xcb_send_event(conn, true, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, (char *)event);
|
||
return;
|
||
}
|
||
}
|
||
|
||
// power keys
|
||
if (pass_power_keys) {
|
||
switch(ksym) {
|
||
case XKB_KEY_XF86PowerDown:
|
||
case XKB_KEY_XF86PowerOff:
|
||
case XKB_KEY_XF86Sleep:
|
||
xcb_send_event(conn, true, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, (char *)event);
|
||
return;
|
||
}
|
||
}
|
||
|
||
// volume keys
|
||
if (pass_volume_keys) {
|
||
switch(ksym) {
|
||
case XKB_KEY_XF86AudioMute:
|
||
case XKB_KEY_XF86AudioLowerVolume:
|
||
case XKB_KEY_XF86AudioRaiseVolume:
|
||
xcb_send_event(conn, true, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, (char *)event);
|
||
return;
|
||
}
|
||
}
|
||
|
||
// return/enter/etc
|
||
switch (ksym) {
|
||
case XKB_KEY_j:
|
||
case XKB_KEY_m:
|
||
case XKB_KEY_Return:
|
||
case XKB_KEY_KP_Enter:
|
||
case XKB_KEY_XF86ScreenSaver:
|
||
if ((ksym == XKB_KEY_j || ksym == XKB_KEY_m) && !ctrl)
|
||
break;
|
||
|
||
if (auth_state == STATE_AUTH_WRONG) {
|
||
retry_verification = true;
|
||
return;
|
||
}
|
||
|
||
if (skip_without_validation()) {
|
||
clear_input();
|
||
return;
|
||
}
|
||
finish_input();
|
||
skip_repeated_empty_password = true;
|
||
return;
|
||
default:
|
||
skip_repeated_empty_password = false;
|
||
// A new password is being entered, but a previous one is pending.
|
||
// Discard the old one and clear the retry_verification flag.
|
||
if (retry_verification) {
|
||
retry_verification = false;
|
||
clear_input();
|
||
}
|
||
}
|
||
|
||
// backspace, esc, delete, etc
|
||
switch (ksym) {
|
||
case XKB_KEY_u:
|
||
case XKB_KEY_Escape:
|
||
if ((ksym == XKB_KEY_u && ctrl) ||
|
||
ksym == XKB_KEY_Escape) {
|
||
DEBUG("C-u pressed\n");
|
||
clear_input();
|
||
/* Also hide the unlock indicator */
|
||
if (unlock_indicator)
|
||
clear_indicator();
|
||
return;
|
||
}
|
||
break;
|
||
|
||
case XKB_KEY_Delete:
|
||
case XKB_KEY_KP_Delete:
|
||
/* Deleting forward doesn’t make sense, as i3lock doesn’t allow you
|
||
* to move the cursor when entering a password. We need to eat this
|
||
* key press so that it won’t be treated as part of the password,
|
||
* see issue #50. */
|
||
return;
|
||
|
||
case XKB_KEY_h:
|
||
case XKB_KEY_BackSpace:
|
||
if (ksym == XKB_KEY_h && !ctrl)
|
||
break;
|
||
|
||
if (input_position == 0) {
|
||
START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
|
||
unlock_state = STATE_NOTHING_TO_DELETE;
|
||
redraw_screen();
|
||
return;
|
||
}
|
||
|
||
/* 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;
|
||
}
|
||
|
||
if ((input_position + 8) >= (int)sizeof(password))
|
||
return;
|
||
|
||
#if 0
|
||
/* FIXME: handle all of these? */
|
||
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
|
||
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
|
||
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
|
||
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
|
||
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
|
||
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
|
||
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
|
||
#endif
|
||
|
||
if (n < 2)
|
||
return;
|
||
|
||
/* store it in the password array as UTF-8 */
|
||
memcpy(password + input_position, buffer, n - 1);
|
||
input_position += n - 1;
|
||
DEBUG("current password = %.*s\n", input_position, password);
|
||
|
||
if (unlock_indicator) {
|
||
unlock_state = STATE_KEY_ACTIVE;
|
||
redraw_screen();
|
||
unlock_state = STATE_KEY_PRESSED;
|
||
|
||
struct ev_timer *timeout = NULL;
|
||
START_TIMER(timeout, TSTAMP_N_SECS(0.25), redraw_timeout);
|
||
STOP_TIMER(clear_indicator_timeout);
|
||
}
|
||
|
||
START_TIMER(discard_passwd_timeout, TSTAMP_N_MINS(3), discard_passwd_cb);
|
||
}
|
||
|
||
/*
|
||
* A visibility notify event will be received when the visibility (= can the
|
||
* user view the complete window) changes, so for example when a popup overlays
|
||
* some area of the i3lock window.
|
||
*
|
||
* In this case, we raise our window on top so that the popup (or whatever is
|
||
* hiding us) gets hidden.
|
||
*
|
||
*/
|
||
static void handle_visibility_notify(xcb_connection_t *conn,
|
||
xcb_visibility_notify_event_t *event) {
|
||
if (event->state != XCB_VISIBILITY_UNOBSCURED) {
|
||
uint32_t values[] = {XCB_STACK_MODE_ABOVE};
|
||
xcb_configure_window(conn, event->window, XCB_CONFIG_WINDOW_STACK_MODE, values);
|
||
xcb_flush(conn);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Called when the keyboard mapping changes. We update our symbols.
|
||
*
|
||
* We ignore errors — if the new keymap cannot be loaded it’s better if the
|
||
* screen stays locked and the user intervenes by using killall i3lock.
|
||
*
|
||
*/
|
||
static void process_xkb_event(xcb_generic_event_t *gevent) {
|
||
union xkb_event {
|
||
struct {
|
||
uint8_t response_type;
|
||
uint8_t xkbType;
|
||
uint16_t sequence;
|
||
xcb_timestamp_t time;
|
||
uint8_t deviceID;
|
||
} any;
|
||
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;
|
||
|
||
DEBUG("process_xkb_event for device %d\n", event->any.deviceID);
|
||
|
||
if (event->any.deviceID != xkb_x11_get_core_keyboard_device_id(conn))
|
||
return;
|
||
|
||
/*
|
||
* XkbNewKkdNotify and XkbMapNotify together capture all sorts of keymap
|
||
* updates (e.g. xmodmap, xkbcomp, setxkbmap), with minimal redundent
|
||
* recompilations.
|
||
*/
|
||
switch (event->any.xkbType) {
|
||
case XCB_XKB_NEW_KEYBOARD_NOTIFY:
|
||
if (event->new_keyboard_notify.changed & XCB_XKB_NKN_DETAIL_KEYCODES)
|
||
(void)load_keymap();
|
||
break;
|
||
|
||
case XCB_XKB_MAP_NOTIFY:
|
||
(void)load_keymap();
|
||
break;
|
||
|
||
case XCB_XKB_STATE_NOTIFY:
|
||
xkb_state_update_mask(xkb_state,
|
||
event->state_notify.baseMods,
|
||
event->state_notify.latchedMods,
|
||
event->state_notify.lockedMods,
|
||
event->state_notify.baseGroup,
|
||
event->state_notify.latchedGroup,
|
||
event->state_notify.lockedGroup);
|
||
if (layout_text != NULL) {
|
||
free(layout_text);
|
||
layout_text = NULL;
|
||
}
|
||
layout_text = get_keylayoutname(keylayout_mode, conn);
|
||
redraw_screen();
|
||
break;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Called when the properties on the root window change, e.g. when the screen
|
||
* resolution changes. If so we update the window to cover the whole screen
|
||
* and also redraw the image, if any.
|
||
*
|
||
*/
|
||
static void handle_screen_resize(void) {
|
||
xcb_get_geometry_cookie_t geomc;
|
||
xcb_get_geometry_reply_t *geom;
|
||
geomc = xcb_get_geometry(conn, screen->root);
|
||
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL)
|
||
return;
|
||
|
||
if (last_resolution[0] == geom->width &&
|
||
last_resolution[1] == geom->height) {
|
||
free(geom);
|
||
return;
|
||
}
|
||
|
||
last_resolution[0] = geom->width;
|
||
last_resolution[1] = geom->height;
|
||
|
||
free(geom);
|
||
|
||
redraw_screen();
|
||
|
||
uint32_t mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
|
||
xcb_configure_window(conn, win, mask, last_resolution);
|
||
xcb_flush(conn);
|
||
|
||
randr_query(screen->root);
|
||
redraw_screen();
|
||
}
|
||
|
||
static ssize_t read_raw_image_native(uint32_t *dest, FILE *src, size_t width, size_t height, int pixstride) {
|
||
ssize_t count = 0;
|
||
for (size_t y = 0; y < height; y++) {
|
||
size_t n = fread(&dest[y * pixstride], 1, width * 4, src);
|
||
count += n;
|
||
if (n < (size_t)(width * 4))
|
||
break;
|
||
}
|
||
|
||
return count;
|
||
}
|
||
|
||
struct raw_pixel_format {
|
||
int bpp;
|
||
int red;
|
||
int green;
|
||
int blue;
|
||
};
|
||
|
||
static ssize_t read_raw_image_fmt(uint32_t *dest, FILE *src, size_t width, size_t height, int pixstride,
|
||
struct raw_pixel_format fmt) {
|
||
unsigned char *buf = malloc(width * fmt.bpp);
|
||
if (buf == NULL)
|
||
return -1;
|
||
|
||
ssize_t count = 0;
|
||
for (size_t y = 0; y < height; y++) {
|
||
size_t n = fread(buf, 1, width * fmt.bpp, src);
|
||
count += n;
|
||
if (n < (size_t)(width * fmt.bpp))
|
||
break;
|
||
|
||
for (size_t x = 0; x < width; ++x) {
|
||
int idx = x * fmt.bpp;
|
||
dest[y * pixstride + x] = 0 |
|
||
(buf[idx + fmt.red]) << 16 |
|
||
(buf[idx + fmt.green]) << 8 |
|
||
(buf[idx + fmt.blue]);
|
||
}
|
||
}
|
||
|
||
free(buf);
|
||
return count;
|
||
}
|
||
|
||
// Pre-defind pixel formats (<bytes per pixel>, <red pixel>, <green pixel>, <blue pixel>)
|
||
static const struct raw_pixel_format raw_fmt_rgb = {3, 0, 1, 2};
|
||
static const struct raw_pixel_format raw_fmt_rgbx = {4, 0, 1, 2};
|
||
static const struct raw_pixel_format raw_fmt_xrgb = {4, 1, 2, 3};
|
||
static const struct raw_pixel_format raw_fmt_bgr = {3, 2, 1, 0};
|
||
static const struct raw_pixel_format raw_fmt_bgrx = {4, 2, 1, 0};
|
||
static const struct raw_pixel_format raw_fmt_xbgr = {4, 3, 2, 1};
|
||
|
||
static cairo_surface_t *read_raw_image(const char *image_path, const char *image_raw_format) {
|
||
cairo_surface_t *img;
|
||
|
||
#define RAW_PIXFMT_MAXLEN 6
|
||
#define STRINGIFY1(x) #x
|
||
#define STRINGIFY(x) STRINGIFY1(x)
|
||
/* Parse format as <width>x<height>:<pixfmt> */
|
||
char pixfmt[RAW_PIXFMT_MAXLEN + 1];
|
||
size_t w, h;
|
||
const char *fmt = "%zux%zu:%" STRINGIFY(RAW_PIXFMT_MAXLEN) "s";
|
||
if (sscanf(image_raw_format, fmt, &w, &h, pixfmt) != 3) {
|
||
fprintf(stderr, "Invalid image format: \"%s\"\n", image_raw_format);
|
||
return NULL;
|
||
}
|
||
#undef RAW_PIXFMT_MAXLEN
|
||
#undef STRINGIFY1
|
||
#undef STRINGIFY
|
||
|
||
/* Create image surface */
|
||
img = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
|
||
if (cairo_surface_status(img) != CAIRO_STATUS_SUCCESS) {
|
||
fprintf(stderr, "Could not create surface: %s\n",
|
||
cairo_status_to_string(cairo_surface_status(img)));
|
||
return NULL;
|
||
}
|
||
cairo_surface_flush(img);
|
||
|
||
/* Use uint32_t* because cairo uses native endianness */
|
||
uint32_t *data = (uint32_t *)cairo_image_surface_get_data(img);
|
||
const int pixstride = cairo_image_surface_get_stride(img) / 4;
|
||
|
||
FILE *f = fopen(image_path, "r");
|
||
if (f == NULL) {
|
||
fprintf(stderr, "Could not open image \"%s\": %s\n",
|
||
image_path, strerror(errno));
|
||
cairo_surface_destroy(img);
|
||
return NULL;
|
||
}
|
||
|
||
/* Read the image, respecting cairo's stride, according to the pixfmt */
|
||
ssize_t size, count;
|
||
if (strcmp(pixfmt, "native") == 0) {
|
||
/* If the pixfmt is 'native', just read each line directly into the buffer */
|
||
size = w * h * 4;
|
||
count = read_raw_image_native(data, f, w, h, pixstride);
|
||
} else {
|
||
const struct raw_pixel_format *fmt = NULL;
|
||
|
||
if (strcmp(pixfmt, "rgb") == 0)
|
||
fmt = &raw_fmt_rgb;
|
||
else if (strcmp(pixfmt, "rgbx") == 0)
|
||
fmt = &raw_fmt_rgbx;
|
||
else if (strcmp(pixfmt, "xrgb") == 0)
|
||
fmt = &raw_fmt_xrgb;
|
||
else if (strcmp(pixfmt, "bgr") == 0)
|
||
fmt = &raw_fmt_bgr;
|
||
else if (strcmp(pixfmt, "bgrx") == 0)
|
||
fmt = &raw_fmt_bgrx;
|
||
else if (strcmp(pixfmt, "xbgr") == 0)
|
||
fmt = &raw_fmt_xbgr;
|
||
|
||
if (fmt == NULL) {
|
||
fprintf(stderr, "Unknown raw pixel format: %s\n", pixfmt);
|
||
fclose(f);
|
||
cairo_surface_destroy(img);
|
||
return NULL;
|
||
}
|
||
|
||
size = w * h * fmt->bpp;
|
||
count = read_raw_image_fmt(data, f, w, h, pixstride, *fmt);
|
||
}
|
||
|
||
cairo_surface_mark_dirty(img);
|
||
|
||
if (count < size) {
|
||
if (count < 0 || ferror(f)) {
|
||
fprintf(stderr, "Failed to read image \"%s\": %s\n",
|
||
image_path, strerror(errno));
|
||
fclose(f);
|
||
cairo_surface_destroy(img);
|
||
return NULL;
|
||
} else {
|
||
/* Print a warning if the file contains less data than expected,
|
||
* but don't abort. It's useful to see how the image looks even if it's wrong. */
|
||
fprintf(stderr, "Warning: expected to read %zi bytes from \"%s\", read %zi\n",
|
||
size, image_path, count);
|
||
}
|
||
}
|
||
|
||
fclose(f);
|
||
return img;
|
||
}
|
||
|
||
static bool verify_png_image(const char *image_path) {
|
||
if (!image_path) {
|
||
return false;
|
||
}
|
||
|
||
/* Check file exists and has correct PNG header */
|
||
FILE *png_file = fopen(image_path, "r");
|
||
if (png_file == NULL) {
|
||
DEBUG("Image file path \"%s\" cannot be opened: %s\n", image_path, strerror(errno));
|
||
return false;
|
||
}
|
||
unsigned char png_header[8];
|
||
memset(png_header, '\0', sizeof(png_header));
|
||
int bytes_read = fread(png_header, 1, sizeof(png_header), png_file);
|
||
fclose(png_file);
|
||
if (bytes_read != sizeof(png_header)) {
|
||
DEBUG("Could not read PNG header from \"%s\"\n", image_path);
|
||
return false;
|
||
}
|
||
|
||
// Check PNG header according to the specification, available at:
|
||
// https://www.w3.org/TR/2003/REC-PNG-20031110/#5PNG-file-signature
|
||
static unsigned char PNG_REFERENCE_HEADER[8] = {137, 80, 78, 71, 13, 10, 26, 10};
|
||
if (memcmp(PNG_REFERENCE_HEADER, png_header, sizeof(png_header)) != 0) {
|
||
DEBUG("File \"%s\" does not start with a PNG header. i3lock currently only supports loading PNG files.\n", image_path);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
#ifndef __OpenBSD__
|
||
/*
|
||
* Callback function for PAM. We only react on password request callbacks.
|
||
*
|
||
*/
|
||
static int conv_callback(int num_msg, const struct pam_message **msg,
|
||
struct pam_response **resp, void *appdata_ptr) {
|
||
if (num_msg == 0)
|
||
return 1;
|
||
|
||
/* PAM expects an array of responses, one for each message */
|
||
if ((*resp = calloc(num_msg, sizeof(struct pam_response))) == NULL) {
|
||
perror("calloc");
|
||
return 1;
|
||
}
|
||
|
||
for (int c = 0; c < num_msg; c++) {
|
||
if (msg[c]->msg_style != PAM_PROMPT_ECHO_OFF &&
|
||
msg[c]->msg_style != PAM_PROMPT_ECHO_ON)
|
||
continue;
|
||
|
||
/* return code is currently not used but should be set to zero */
|
||
resp[c]->resp_retcode = 0;
|
||
if ((resp[c]->resp = strdup(password)) == NULL) {
|
||
perror("strdup");
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb.
|
||
* See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop
|
||
*
|
||
*/
|
||
static void xcb_got_event(EV_P_ struct ev_io *w, int revents) {
|
||
/* empty, because xcb_prepare_cb and xcb_check_cb are used */
|
||
}
|
||
|
||
/*
|
||
* Flush before blocking (and waiting for new events)
|
||
*
|
||
*/
|
||
static void xcb_prepare_cb(EV_P_ ev_prepare *w, int revents) {
|
||
xcb_flush(conn);
|
||
}
|
||
|
||
/*
|
||
* Try closing logind sleep lock fd passed over from xss-lock, in case we're
|
||
* being run from there.
|
||
*
|
||
*/
|
||
static void maybe_close_sleep_lock_fd(void) {
|
||
const char *sleep_lock_fd = getenv("XSS_SLEEP_LOCK_FD");
|
||
char *endptr;
|
||
if (sleep_lock_fd && *sleep_lock_fd != 0) {
|
||
long int fd = strtol(sleep_lock_fd, &endptr, 10);
|
||
if (*endptr == 0) {
|
||
close(fd);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Instead of polling the X connection socket we leave this to
|
||
* xcb_poll_for_event() which knows better than we can ever know.
|
||
*
|
||
*/
|
||
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?");
|
||
|
||
while ((event = xcb_poll_for_event(conn)) != NULL) {
|
||
if (event->response_type == 0) {
|
||
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);
|
||
free(event);
|
||
continue;
|
||
}
|
||
|
||
/* Strip off the highest bit (set if the event is generated) */
|
||
int type = (event->response_type & 0x7F);
|
||
|
||
switch (type) {
|
||
case XCB_KEY_PRESS:
|
||
handle_key_press((xcb_key_press_event_t *)event);
|
||
break;
|
||
|
||
case XCB_VISIBILITY_NOTIFY:
|
||
handle_visibility_notify(conn, (xcb_visibility_notify_event_t *)event);
|
||
break;
|
||
|
||
case XCB_MAP_NOTIFY:
|
||
maybe_close_sleep_lock_fd();
|
||
if (!dont_fork) {
|
||
/* After the first MapNotify, we never fork again. We don’t
|
||
* expect to get another MapNotify, but better be sure… */
|
||
dont_fork = true;
|
||
|
||
/* In the parent process, we exit */
|
||
if (fork() != 0)
|
||
exit(EXIT_SUCCESS);
|
||
|
||
ev_loop_fork(EV_DEFAULT);
|
||
}
|
||
break;
|
||
|
||
case XCB_CONFIGURE_NOTIFY:
|
||
handle_screen_resize();
|
||
break;
|
||
|
||
default:
|
||
if (type == xkb_base_event) {
|
||
process_xkb_event(event);
|
||
}
|
||
if (randr_base > -1 &&
|
||
type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
|
||
randr_query(screen->root);
|
||
handle_screen_resize();
|
||
}
|
||
}
|
||
|
||
free(event);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* This function is called from a fork()ed child and will raise the i3lock
|
||
* window when the window is obscured, even when the main i3lock process is
|
||
* blocked due to the authentication backend.
|
||
*
|
||
*/
|
||
static void raise_loop(xcb_window_t window) {
|
||
xcb_connection_t *conn;
|
||
xcb_generic_event_t *event;
|
||
int screens;
|
||
|
||
if (xcb_connection_has_error((conn = xcb_connect(NULL, &screens))) > 0)
|
||
errx(EXIT_FAILURE, "Cannot open display");
|
||
|
||
/* 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});
|
||
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;
|
||
DEBUG("X11 Error received! sequence 0x%x, error_code = %d\n",
|
||
error->sequence, error->error_code);
|
||
free(event);
|
||
continue;
|
||
}
|
||
/* Strip off the highest bit (set if the event is generated) */
|
||
int type = (event->response_type & 0x7F);
|
||
DEBUG("Read event of type %d\n", type);
|
||
switch (type) {
|
||
case XCB_VISIBILITY_NOTIFY:
|
||
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)
|
||
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)
|
||
exit(EXIT_SUCCESS);
|
||
break;
|
||
default:
|
||
DEBUG("Unhandled event type %d\n", type);
|
||
break;
|
||
}
|
||
free(event);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Loads an image from the given path. Handles JPEG and PNG. Returns NULL in case of error.
|
||
*/
|
||
static cairo_surface_t* load_image(char* image_path, char* image_raw_format) {
|
||
cairo_surface_t *img = NULL;
|
||
JPEG_INFO jpg_info;
|
||
|
||
if (image_raw_format != NULL && image_path != NULL) {
|
||
/* Read image. 'read_raw_image' returns NULL on error,
|
||
* so we don't have to handle errors here. */
|
||
img = read_raw_image(image_path, image_raw_format);
|
||
} else if (verify_png_image(image_path)) {
|
||
/* Create a pixmap to render on, fill it with the background color */
|
||
img = cairo_image_surface_create_from_png(image_path);
|
||
} else if (file_is_jpg(image_path)) {
|
||
DEBUG("Image looks like a jpeg, decoding\n");
|
||
unsigned char* jpg_data = read_JPEG_file(image_path, &jpg_info);
|
||
if (jpg_data != NULL) {
|
||
img = cairo_image_surface_create_for_data(jpg_data,
|
||
CAIRO_FORMAT_ARGB32, jpg_info.width, jpg_info.height,
|
||
jpg_info.stride);
|
||
}
|
||
}
|
||
|
||
/* In case loading failed, we just pretend no -i was specified. */
|
||
if (img && cairo_surface_status(img) != CAIRO_STATUS_SUCCESS) {
|
||
fprintf(stderr, "Could not load image \"%s\": %s\n",
|
||
image_path, cairo_status_to_string(cairo_surface_status(img)));
|
||
img = NULL;
|
||
}
|
||
|
||
return img;
|
||
}
|
||
|
||
/*
|
||
* Loads the images from the provided directory and stores them in the pointer array
|
||
* img_slideshow
|
||
*/
|
||
static void load_slideshow_images(const char *path, char *image_raw_format) {
|
||
slideshow_enabled = true;
|
||
DIR *d;
|
||
struct dirent *dir;
|
||
int file_count = 0;
|
||
|
||
d = opendir(path);
|
||
if (d == NULL) {
|
||
printf("Could not open directory: %s\n", path);
|
||
exit(EXIT_SUCCESS);
|
||
}
|
||
|
||
while ((dir = readdir(d)) != NULL) {
|
||
if (file_count >= 256) {
|
||
break;
|
||
}
|
||
|
||
char path_to_image[256];
|
||
strcpy(path_to_image, path);
|
||
strcat(path_to_image, "/");
|
||
strcat(path_to_image, dir->d_name);
|
||
|
||
img_slideshow[file_count] = load_image(path_to_image, image_raw_format);
|
||
|
||
if (img_slideshow[file_count] != NULL) {
|
||
++file_count;
|
||
}
|
||
}
|
||
|
||
slideshow_image_count = file_count;
|
||
|
||
closedir(d);
|
||
}
|
||
|
||
int main(int argc, char *argv[]) {
|
||
struct passwd *pw;
|
||
char *username;
|
||
char *image_path = NULL;
|
||
char *image_raw_format = NULL;
|
||
#ifndef __OpenBSD__
|
||
int ret;
|
||
struct pam_conv conv = {conv_callback, NULL};
|
||
#endif
|
||
int curs_choice = CURS_NONE;
|
||
int o;
|
||
int longoptind = 0;
|
||
struct option longopts[] = {
|
||
{"version", no_argument, NULL, 'v'},
|
||
{"nofork", no_argument, NULL, 'n'},
|
||
{"beep", no_argument, NULL, 'b'},
|
||
{"dpms", no_argument, NULL, 'd'},
|
||
{"color", required_argument, NULL, 'c'},
|
||
{"pointer", required_argument, NULL, 'p'},
|
||
{"debug", no_argument, NULL, 999},
|
||
{"help", no_argument, NULL, 'h'},
|
||
{"no-unlock-indicator", no_argument, NULL, 'u'},
|
||
{"image", required_argument, NULL, 'i'},
|
||
{"raw", required_argument, NULL, 998},
|
||
{"tiling", no_argument, NULL, 't'},
|
||
{"centered", no_argument, NULL, 'C'},
|
||
{"ignore-empty-password", no_argument, NULL, 'e'},
|
||
{"inactivity-timeout", required_argument, NULL, 'I'},
|
||
{"show-failed-attempts", no_argument, NULL, 'f'},
|
||
|
||
// options for unlock indicator colors
|
||
{"insidevercolor", required_argument, NULL, 300},
|
||
{"insidewrongcolor", required_argument, NULL, 301},
|
||
{"insidecolor", required_argument, NULL, 302},
|
||
{"ringvercolor", required_argument, NULL, 303},
|
||
{"ringwrongcolor", required_argument, NULL, 304},
|
||
{"ringcolor", required_argument, NULL, 305},
|
||
{"linecolor", required_argument, NULL, 306},
|
||
{"verifcolor", required_argument, NULL, 307},
|
||
{"wrongcolor", required_argument, NULL, 308},
|
||
{"layoutcolor", required_argument, NULL, 309},
|
||
{"timecolor", required_argument, NULL, 310},
|
||
{"datecolor", required_argument, NULL, 311},
|
||
{"keyhlcolor", required_argument, NULL, 312},
|
||
{"bshlcolor", required_argument, NULL, 313},
|
||
{"separatorcolor", required_argument, NULL, 314},
|
||
{"greetercolor", required_argument, NULL, 315},
|
||
|
||
{"line-uses-ring", no_argument, NULL, 'r'},
|
||
{"line-uses-inside", no_argument, NULL, 's'},
|
||
|
||
{"screen", required_argument, NULL, 'S'},
|
||
{"blur", required_argument, NULL, 'B'},
|
||
{"clock", no_argument, NULL, 'k'},
|
||
{"force-clock", no_argument, NULL, 400},
|
||
{"indicator", no_argument, NULL, 401},
|
||
{"radius", required_argument, NULL, 402},
|
||
{"ring-width", required_argument, NULL, 403},
|
||
|
||
// alignment
|
||
{"time-align", required_argument, NULL, 500},
|
||
{"date-align", required_argument, NULL, 501},
|
||
{"verif-align", required_argument, NULL, 502},
|
||
{"wrong-align", required_argument, NULL, 503},
|
||
{"layout-align", required_argument, NULL, 504},
|
||
{"modif-align", required_argument, NULL, 505},
|
||
{"greeter-align", required_argument, NULL, 506},
|
||
|
||
// string stuff
|
||
{"timestr", required_argument, NULL, 510},
|
||
{"datestr", required_argument, NULL, 511},
|
||
{"veriftext", required_argument, NULL, 512},
|
||
{"wrongtext", required_argument, NULL, 513},
|
||
{"keylayout", required_argument, NULL, 514},
|
||
{"noinputtext", required_argument, NULL, 515},
|
||
{"locktext", required_argument, NULL, 516},
|
||
{"lockfailedtext", required_argument, NULL, 517},
|
||
{"greetertext", required_argument, NULL, 518},
|
||
|
||
// fonts
|
||
{"time-font", required_argument, NULL, 520},
|
||
{"date-font", required_argument, NULL, 521},
|
||
{"verif-font", required_argument, NULL, 522},
|
||
{"wrong-font", required_argument, NULL, 523},
|
||
{"layout-font", required_argument, NULL, 524},
|
||
{"greeter-font", required_argument, NULL, 525},
|
||
|
||
// text size
|
||
{"timesize", required_argument, NULL, 530},
|
||
{"datesize", required_argument, NULL, 531},
|
||
{"verifsize", required_argument, NULL, 532},
|
||
{"wrongsize", required_argument, NULL, 533},
|
||
{"layoutsize", required_argument, NULL, 534},
|
||
{"modsize", required_argument, NULL, 535},
|
||
{"greetersize", required_argument, NULL, 536},
|
||
|
||
// text/indicator positioning
|
||
{"timepos", required_argument, NULL, 540},
|
||
{"datepos", required_argument, NULL, 541},
|
||
{"verifpos", required_argument, NULL, 542},
|
||
{"wrongpos", required_argument, NULL, 543},
|
||
{"layoutpos", required_argument, NULL, 544},
|
||
{"statuspos", required_argument, NULL, 545},
|
||
{"modifpos", required_argument, NULL, 546},
|
||
{"indpos", required_argument, NULL, 547},
|
||
{"greeterpos", required_argument, NULL, 548},
|
||
|
||
// pass keys
|
||
{"pass-media-keys", no_argument, NULL, 601},
|
||
{"pass-screen-keys", no_argument, NULL, 602},
|
||
{"pass-power-keys", no_argument, NULL, 603},
|
||
{"pass-volume-keys", no_argument, NULL, 604},
|
||
|
||
// bar indicator stuff
|
||
{"bar-indicator", no_argument, NULL, 700},
|
||
{"bar-direction", required_argument, NULL, 701},
|
||
{"bar-width", required_argument, NULL, 702},
|
||
{"bar-orientation", required_argument, NULL, 703},
|
||
{"bar-step", required_argument, NULL, 704},
|
||
{"bar-max-height", required_argument, NULL, 705},
|
||
{"bar-base-width", required_argument, NULL, 706},
|
||
{"bar-color", required_argument, NULL, 707},
|
||
{"bar-periodic-step", required_argument, NULL, 708},
|
||
{"bar-position", required_argument, NULL, 709},
|
||
|
||
// misc.
|
||
{"redraw-thread", no_argument, NULL, 900},
|
||
{"refresh-rate", required_argument, NULL, 901},
|
||
{"composite", no_argument, NULL, 902},
|
||
{"no-verify", no_argument, NULL, 905},
|
||
|
||
// slideshow options
|
||
{"slideshow-interval", required_argument, NULL, 903},
|
||
{"slideshow-random-selection", no_argument, NULL, 904},
|
||
|
||
{NULL, no_argument, NULL, 0}};
|
||
|
||
if ((pw = getpwuid(getuid())) == NULL)
|
||
err(EXIT_FAILURE, "getpwuid() failed");
|
||
if ((username = pw->pw_name) == NULL)
|
||
errx(EXIT_FAILURE, "pw->pw_name is NULL.");
|
||
if (getenv("WAYLAND_DISPLAY") != NULL)
|
||
errx(EXIT_FAILURE, "i3lock is a program for X11 and does not work on Wayland. Try https://github.com/swaywm/swaylock instead");
|
||
|
||
char *optstring = "hvnbdc:p:ui:tCeI:frsS:kB:m";
|
||
char *arg = NULL;
|
||
int opt = 0;
|
||
char padded[9] = "ffffffff"; \
|
||
|
||
#define parse_color(acolor)\
|
||
arg = optarg;\
|
||
if (arg[0] == '#') arg++;\
|
||
if (strlen(arg) == 6) {\
|
||
/* If 6 digits given, assume RGB and pad 0xff for alpha */\
|
||
strncpy( padded, arg, 6 );\
|
||
arg = padded;\
|
||
}\
|
||
if (strlen(arg) != 8 || sscanf(arg, "%08[0-9a-fA-F]", acolor) != 1)\
|
||
errx(1, #acolor " is invalid, color must be given in 3 or 4-byte format: rrggbb[aa]\n");
|
||
|
||
while ((o = getopt_long(argc, argv, optstring, longopts, &longoptind)) != -1) {
|
||
switch (o) {
|
||
case 'v':
|
||
errx(EXIT_SUCCESS, "version " I3LOCK_VERSION " © 2010 Michael Stapelberg, © 2015 Cassandra Fox, © 2020 Raymond Li");
|
||
case 'n':
|
||
dont_fork = true;
|
||
break;
|
||
case 'b':
|
||
beep = true;
|
||
break;
|
||
case 'd':
|
||
fprintf(stderr, "DPMS support has been removed from i3lock. Please see the manpage i3lock(1).\n");
|
||
break;
|
||
case 'I': {
|
||
fprintf(stderr, "Inactivity timeout only makes sense with DPMS, which was removed. Please see the manpage i3lock(1).\n");
|
||
break;
|
||
}
|
||
case 'u':
|
||
unlock_indicator = false;
|
||
break;
|
||
case 'i':
|
||
image_path = strdup(optarg);
|
||
break;
|
||
case 't':
|
||
if(centered) {
|
||
errx(EXIT_FAILURE, "i3lock-color: Options tiling and centered conflict.");
|
||
}
|
||
tile = true;
|
||
break;
|
||
case 'C':
|
||
if(tile) {
|
||
errx(EXIT_FAILURE, "i3lock-color: Options tiling and centered conflict.");
|
||
}
|
||
centered = 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\".");
|
||
}
|
||
break;
|
||
case 'e':
|
||
ignore_empty_password = true;
|
||
break;
|
||
case 'f':
|
||
show_failed_attempts = true;
|
||
break;
|
||
case 'r':
|
||
if (internal_line_source != 0) {
|
||
errx(EXIT_FAILURE, "i3lock-color: Options line-uses-ring and line-uses-inside conflict.");
|
||
}
|
||
internal_line_source = 1; //sets the line drawn inside to use the inside color when drawn
|
||
break;
|
||
case 's':
|
||
if (internal_line_source != 0) {
|
||
errx(EXIT_FAILURE, "i3lock-color: Options line-uses-ring and line-uses-inside conflict.");
|
||
}
|
||
internal_line_source = 2;
|
||
break;
|
||
case 'S':
|
||
screen_number = atoi(optarg);
|
||
break;
|
||
|
||
case 'k':
|
||
show_clock = true;
|
||
break;
|
||
case 'B':
|
||
blur = true;
|
||
blur_sigma = atoi(optarg);
|
||
break;
|
||
|
||
// Begin colors
|
||
case 'c':
|
||
parse_color(color);
|
||
break;
|
||
case 300:
|
||
parse_color(insidevercolor);
|
||
break;
|
||
case 301:
|
||
parse_color(insidewrongcolor);
|
||
break;
|
||
case 302:
|
||
parse_color(insidecolor);
|
||
break;
|
||
case 303:
|
||
parse_color(ringvercolor);
|
||
break;
|
||
case 304:
|
||
parse_color(ringwrongcolor);
|
||
break;
|
||
case 305:
|
||
parse_color(ringcolor);
|
||
break;
|
||
case 306:
|
||
parse_color(linecolor);
|
||
break;
|
||
case 307:
|
||
parse_color(verifcolor);
|
||
break;
|
||
case 308:
|
||
parse_color(wrongcolor);
|
||
break;
|
||
case 309:
|
||
parse_color(layoutcolor);
|
||
break;
|
||
case 310:
|
||
parse_color(timecolor);
|
||
break;
|
||
case 311:
|
||
parse_color(datecolor);
|
||
break;
|
||
case 312:
|
||
parse_color(keyhlcolor);
|
||
break;
|
||
case 313:
|
||
parse_color(bshlcolor);
|
||
break;
|
||
case 314:
|
||
parse_color(separatorcolor);
|
||
break;
|
||
case 315:
|
||
parse_color(greetercolor);
|
||
break;
|
||
|
||
// General indicator opts
|
||
case 400:
|
||
show_clock = true;
|
||
always_show_clock = true;
|
||
break;
|
||
case 401:
|
||
show_indicator = true;
|
||
break;
|
||
case 402:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &circle_radius) != 1)
|
||
errx(1, "radius must be a number\n");
|
||
if (circle_radius < 1) {
|
||
fprintf(stderr, "radius must be a positive integer; ignoring...\n");
|
||
circle_radius = 90.0;
|
||
}
|
||
break;
|
||
case 403:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &ring_width) != 1)
|
||
errx(1, "ring-width must be a number\n");
|
||
if (ring_width < 1.0) {
|
||
fprintf(stderr, "ring-width must be a positive float; ignoring...\n");
|
||
ring_width = 7.0;
|
||
}
|
||
break;
|
||
|
||
// Alignment stuff
|
||
case 500:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
time_align = opt;
|
||
break;
|
||
case 501:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
date_align = opt;
|
||
break;
|
||
case 502:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
verif_align = opt;
|
||
break;
|
||
case 503:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
wrong_align = opt;
|
||
break;
|
||
case 504:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
layout_align = opt;
|
||
break;
|
||
case 505:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
modif_align = opt;
|
||
break;
|
||
case 506:
|
||
opt = atoi(optarg);
|
||
if (opt < 0 || opt > 2) opt = 0;
|
||
greeter_align = opt;
|
||
break;
|
||
|
||
// String stuff
|
||
case 510:
|
||
if (strlen(optarg) > 31) {
|
||
errx(1, "time format string can be at most 31 characters\n");
|
||
}
|
||
strcpy(time_format,optarg);
|
||
break;
|
||
case 511:
|
||
if (strlen(optarg) > 31) {
|
||
errx(1, "time format string can be at most 31 characters\n");
|
||
}
|
||
strcpy(date_format,optarg);
|
||
break;
|
||
case 512:
|
||
verif_text = optarg;
|
||
break;
|
||
case 513:
|
||
wrong_text = optarg;
|
||
break;
|
||
case 514:
|
||
// if layout is NULL, do nothing
|
||
// if not NULL, attempt to display stuff
|
||
// need to code some sane defaults for it
|
||
keylayout_mode = atoi(optarg);
|
||
break;
|
||
case 515:
|
||
noinput_text = optarg;
|
||
break;
|
||
case 516:
|
||
lock_text = optarg;
|
||
break;
|
||
case 517:
|
||
lock_failed_text = optarg;
|
||
break;
|
||
case 518:
|
||
greeter_text = optarg;
|
||
break;
|
||
|
||
// Font stuff
|
||
case 520:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "time font string can be at most 63 characters\n");
|
||
}
|
||
strcpy(fonts[TIME_FONT],optarg);
|
||
break;
|
||
case 521:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "date font string can be at most 63 characters\n");
|
||
}
|
||
strcpy(fonts[DATE_FONT],optarg);
|
||
break;
|
||
case 522:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "verif font string can be at most 63 "
|
||
"characters\n");
|
||
}
|
||
strcpy(fonts[VERIF_FONT],optarg);
|
||
break;
|
||
case 523:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "wrong font string can be at most 63 "
|
||
"characters\n");
|
||
}
|
||
strcpy(fonts[WRONG_FONT],optarg);
|
||
break;
|
||
case 524:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "layout font string can be at most 63 characters\n");
|
||
}
|
||
strcpy(fonts[LAYOUT_FONT],optarg);
|
||
break;
|
||
case 525:
|
||
if (strlen(optarg) > 63) {
|
||
errx(1, "greeter font string can be at most 63 characters\n");
|
||
}
|
||
strcpy(fonts[GREETER_FONT],optarg);
|
||
break;
|
||
|
||
// Text size
|
||
case 530:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &time_size) != 1)
|
||
errx(1, "timesize must be a number\n");
|
||
if (time_size < 1)
|
||
errx(1, "timesize must be larger than 0\n");
|
||
break;
|
||
case 531:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &date_size) != 1)
|
||
errx(1, "datesize must be a number\n");
|
||
if (date_size < 1)
|
||
errx(1, "datesize must be larger than 0\n");
|
||
break;
|
||
case 532:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &verif_size) != 1)
|
||
errx(1, "verifsize must be a number\n");
|
||
if (verif_size < 1) {
|
||
fprintf(stderr, "verifsize must be a positive integer; ignoring...\n");
|
||
verif_size = 28.0;
|
||
}
|
||
break;
|
||
case 533:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &wrong_size) != 1)
|
||
errx(1, "wrongsize must be a number\n");
|
||
if (wrong_size < 1) {
|
||
fprintf(stderr, "wrongsize must be a positive integer; ignoring...\n");
|
||
wrong_size = 28.0;
|
||
}
|
||
break;
|
||
case 534:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &layout_size) != 1)
|
||
errx(1, "layoutsize must be a number\n");
|
||
if (date_size < 1)
|
||
errx(1, "layoutsize must be larger than 0\n");
|
||
break;
|
||
case 535:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &modifier_size) != 1)
|
||
errx(1, "modsize must be a number\n");
|
||
if (modifier_size < 1) {
|
||
fprintf(stderr, "modsize must be a positive integer; ignoring...\n");
|
||
modifier_size = 14.0;
|
||
}
|
||
break;
|
||
case 536:
|
||
arg = optarg;
|
||
if (sscanf(arg, "%lf", &greeter_size) != 1)
|
||
errx(1, "greetersize must be a number\n");
|
||
if (greeter_size < 1) {
|
||
fprintf(stderr, "greetersize must be a positive integer; ignoring...\n");
|
||
greeter_size = 14.0;
|
||
}
|
||
break;
|
||
|
||
// Positions
|
||
case 540:
|
||
//read in to time_x_expr and time_y_expr
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "time position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", time_x_expr, time_y_expr) != 2) {
|
||
errx(1, "timepos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 541:
|
||
//read in to date_x_expr and date_y_expr
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "date position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", date_x_expr, date_y_expr) != 2) {
|
||
errx(1, "datepos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 542:
|
||
// read in to time_x_expr and time_y_expr
|
||
if (strlen(optarg) > 31) {
|
||
errx(1, "verif position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", verif_x_expr, verif_y_expr) != 2) {
|
||
errx(1, "verifpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 543:
|
||
if (strlen(optarg) > 31) {
|
||
errx(1, "\"wrong\" text position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", wrong_x_expr, wrong_y_expr) != 2) {
|
||
errx(1, "verifpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 544:
|
||
if (strlen(optarg) > 31) {
|
||
errx(1, "layout position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", layout_x_expr, layout_y_expr) != 2) {
|
||
errx(1, "layoutpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 545:
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "status position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", status_x_expr, status_y_expr) != 2) {
|
||
errx(1, "statuspos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 546:
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "modif position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", modif_x_expr, modif_y_expr) != 2) {
|
||
errx(1, "modifpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 547:
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "indicator position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", ind_x_expr, ind_y_expr) != 2) {
|
||
errx(1, "indpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
case 548:
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "indicator position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%30[^:]:%30[^:]", greeter_x_expr, greeter_y_expr) != 2) {
|
||
errx(1, "indpos must be of the form x:y\n");
|
||
}
|
||
break;
|
||
|
||
// Pass keys
|
||
case 601:
|
||
pass_media_keys = true;
|
||
break;
|
||
case 602:
|
||
pass_screen_keys = true;
|
||
break;
|
||
case 603:
|
||
pass_power_keys = true;
|
||
break;
|
||
case 604:
|
||
pass_volume_keys = true;
|
||
break;
|
||
|
||
// Bar indicator
|
||
case 700:
|
||
bar_enabled = true;
|
||
break;
|
||
case 701:
|
||
opt = atoi(optarg);
|
||
switch(opt) {
|
||
case BAR_REVERSED:
|
||
bar_reversed = true;
|
||
break;
|
||
case BAR_BIDIRECTIONAL:
|
||
bar_bidirectional = true;
|
||
break;
|
||
case BAR_DEFAULT:
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
case 702:
|
||
bar_width = atoi(optarg);
|
||
if (bar_width < 1) bar_width = 150;
|
||
// num_bars and bar_heights* initialized later when we grab display info
|
||
break;
|
||
case 703:
|
||
arg = optarg;
|
||
if (strcmp(arg, "vertical") == 0)
|
||
bar_orientation = BAR_VERT;
|
||
else if (strcmp(arg, "horizontal") == 0)
|
||
bar_orientation = BAR_FLAT;
|
||
else
|
||
errx(1, "bar orientation must be \"vertical\" or \"horizontal\"\n");
|
||
break;
|
||
case 704:
|
||
bar_step = atoi(optarg);
|
||
if (bar_step < 1) bar_step = 15;
|
||
break;
|
||
case 705:
|
||
max_bar_height = atoi(optarg);
|
||
if (max_bar_height < 1) max_bar_height = 25;
|
||
break;
|
||
case 706:
|
||
bar_base_height = atoi(optarg);
|
||
if (bar_base_height < 1) bar_base_height = 25;
|
||
break;
|
||
case 707:
|
||
parse_color(bar_base_color);
|
||
break;
|
||
case 708:
|
||
opt = atoi(optarg);
|
||
if (opt > 0)
|
||
bar_periodic_step = opt;
|
||
break;
|
||
case 709:
|
||
//read in to ind_x_expr and ind_y_expr
|
||
if (strlen(optarg) > 31) {
|
||
// this is overly restrictive since both the x and y string buffers have size 32, but it's easier to check.
|
||
errx(1, "indicator position string can be at most 31 characters\n");
|
||
}
|
||
arg = optarg;
|
||
if (sscanf(arg, "%31s", bar_expr) != 1) {
|
||
errx(1, "bar-position must be of the form [pos] with a max length of 31\n");
|
||
}
|
||
break;
|
||
|
||
// Misc
|
||
case 900:
|
||
redraw_thread = true;
|
||
break;
|
||
case 901:
|
||
arg = optarg;
|
||
refresh_rate = strtof(arg, NULL);
|
||
if (refresh_rate < 0.0) {
|
||
fprintf(stderr, "The given refresh rate of %fs is less than zero seconds and was ignored.\n", refresh_rate);
|
||
refresh_rate = 1.0;
|
||
}
|
||
break;
|
||
case 902:
|
||
composite = true;
|
||
break;
|
||
case 903:
|
||
slideshow_interval = atoi(optarg);
|
||
|
||
if (slideshow_interval < 0) {
|
||
slideshow_interval = 10;
|
||
}
|
||
break;
|
||
case 904:
|
||
slideshow_random_selection = true;
|
||
break;
|
||
case 905:
|
||
no_verify = true;
|
||
break;
|
||
case 998:
|
||
image_raw_format = strdup(optarg);
|
||
break;
|
||
case 999:
|
||
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] [-f]\n"
|
||
"Please see the manpage for a full list of arguments.");
|
||
}
|
||
}
|
||
|
||
/* We need (relatively) random numbers for highlighting a random part of
|
||
* the unlock indicator upon keypresses. */
|
||
srand(time(NULL));
|
||
|
||
#ifndef __OpenBSD__
|
||
/* Initialize PAM */
|
||
if ((ret = pam_start("i3lock", username, &conv, &pam_handle)) != PAM_SUCCESS)
|
||
errx(EXIT_FAILURE, "PAM: %s", pam_strerror(pam_handle, ret));
|
||
|
||
if ((ret = pam_set_item(pam_handle, PAM_TTY, getenv("DISPLAY"))) != PAM_SUCCESS)
|
||
errx(EXIT_FAILURE, "PAM: %s", pam_strerror(pam_handle, ret));
|
||
#endif
|
||
|
||
/* Using mlock() as non-super-user seems only possible in Linux.
|
||
* Users of other operating systems should use encrypted swap/no swap
|
||
* (or remove the ifdef and run i3lock as super-user).
|
||
* Alas, swap is encrypted by default on OpenBSD so swapping out
|
||
* is not necessarily an issue. */
|
||
#if defined(__linux__)
|
||
/* Lock the area where we store the password in memory, we don’t want it to
|
||
* be swapped to disk. Since Linux 2.6.9, this does not require any
|
||
* privileges, just enough bytes in the RLIMIT_MEMLOCK limit. */
|
||
if (mlock(password, sizeof(password)) != 0)
|
||
err(EXIT_FAILURE, "Could not lock page in memory, check RLIMIT_MEMLOCK");
|
||
#endif
|
||
|
||
/* Double checking that connection is good and operatable with xcb */
|
||
int screennr;
|
||
if ((conn = xcb_connect(NULL, &screennr)) == NULL ||
|
||
xcb_connection_has_error(conn))
|
||
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)
|
||
errx(EXIT_FAILURE, "Could not setup XKB extension.");
|
||
|
||
layout_text = get_keylayoutname(keylayout_mode, conn);
|
||
if (layout_text)
|
||
show_clock = true;
|
||
static const xcb_xkb_map_part_t required_map_parts =
|
||
(XCB_XKB_MAP_PART_KEY_TYPES |
|
||
XCB_XKB_MAP_PART_KEY_SYMS |
|
||
XCB_XKB_MAP_PART_MODIFIER_MAP |
|
||
XCB_XKB_MAP_PART_EXPLICIT_COMPONENTS |
|
||
XCB_XKB_MAP_PART_KEY_ACTIONS |
|
||
XCB_XKB_MAP_PART_VIRTUAL_MODS |
|
||
XCB_XKB_MAP_PART_VIRTUAL_MOD_MAP);
|
||
|
||
static const xcb_xkb_event_type_t required_events =
|
||
(XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY |
|
||
XCB_XKB_EVENT_TYPE_MAP_NOTIFY |
|
||
XCB_XKB_EVENT_TYPE_STATE_NOTIFY);
|
||
|
||
xcb_xkb_select_events(
|
||
conn,
|
||
xkb_x11_get_core_keyboard_device_id(conn),
|
||
required_events,
|
||
0,
|
||
required_events,
|
||
required_map_parts,
|
||
required_map_parts,
|
||
0);
|
||
|
||
/* When we cannot initially load the keymap, we better exit */
|
||
if (!load_keymap())
|
||
errx(EXIT_FAILURE, "Could not load keymap");
|
||
|
||
|
||
const char *locale = getenv("LC_ALL");
|
||
if (!locale || !*locale)
|
||
locale = getenv("LC_TIME");
|
||
if (!locale || !*locale)
|
||
locale = getenv("LC_CTYPE");
|
||
if (!locale || !*locale)
|
||
locale = getenv("LANG");
|
||
if (!locale || !*locale) {
|
||
if (debug_mode)
|
||
fprintf(stderr, "Can't detect your locale, fallback to C\n");
|
||
locale = "C";
|
||
}
|
||
|
||
setlocale(LC_ALL, locale);
|
||
|
||
#if XKBCOMPOSE == 1
|
||
load_compose_table(locale);
|
||
#endif
|
||
|
||
|
||
screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
|
||
|
||
init_dpi();
|
||
|
||
randr_init(&randr_base, screen->root);
|
||
randr_query(screen->root);
|
||
|
||
last_resolution[0] = screen->width_in_pixels;
|
||
last_resolution[1] = screen->height_in_pixels;
|
||
|
||
if (bar_enabled && bar_width > 0) {
|
||
int tmp = screen->width_in_pixels;
|
||
if (bar_orientation == BAR_VERT) tmp = screen->height_in_pixels;
|
||
num_bars = tmp / bar_width;
|
||
if (tmp % bar_width != 0) ++num_bars;
|
||
|
||
bar_heights = (double*) calloc(num_bars, sizeof(double));
|
||
}
|
||
|
||
xcb_change_window_attributes(conn, screen->root, XCB_CW_EVENT_MASK,
|
||
(uint32_t[]){XCB_EVENT_MASK_STRUCTURE_NOTIFY});
|
||
|
||
init_colors_once();
|
||
if (image_path != NULL) {
|
||
if (!is_directory(image_path)) {
|
||
img = load_image(image_path, image_raw_format);
|
||
} else {
|
||
/* Path to a directory is provided -> use slideshow mode */
|
||
load_slideshow_images(image_path, image_raw_format);
|
||
}
|
||
|
||
free(image_path);
|
||
}
|
||
|
||
free(image_raw_format);
|
||
|
||
xcb_pixmap_t* blur_pixmap = NULL;
|
||
if (blur) {
|
||
blur_pixmap = malloc(sizeof(xcb_pixmap_t));
|
||
xcb_visualtype_t *vistype = get_root_visual_type(screen);
|
||
*blur_pixmap = capture_bg_pixmap(conn, screen, last_resolution);
|
||
cairo_surface_t *xcb_img = cairo_xcb_surface_create(conn, *blur_pixmap, vistype, last_resolution[0], last_resolution[1]);
|
||
|
||
blur_img = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, last_resolution[0], last_resolution[1]);
|
||
cairo_t *ctx = cairo_create(blur_img);
|
||
cairo_set_source_surface(ctx, xcb_img, 0, 0);
|
||
cairo_paint(ctx);
|
||
|
||
blur_image_surface(blur_img, blur_sigma);
|
||
if (img) {
|
||
// Display image centered on all outputs.
|
||
draw_image(last_resolution, ctx);
|
||
cairo_surface_destroy(img);
|
||
img = NULL;
|
||
}
|
||
cairo_destroy(ctx);
|
||
cairo_surface_destroy(xcb_img);
|
||
}
|
||
|
||
xcb_window_t stolen_focus = find_focused_window(conn, screen->root);
|
||
|
||
/* Open the fullscreen window, already with the correct pixmap in place */
|
||
win = open_fullscreen_window(conn, screen, color);
|
||
|
||
xcb_pixmap_t pixmap = create_bg_pixmap(conn, win, last_resolution, color);
|
||
render_lock(last_resolution, pixmap);
|
||
xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[]){pixmap});
|
||
|
||
xcb_free_pixmap(conn, pixmap);
|
||
if (blur_pixmap) {
|
||
xcb_free_pixmap(conn, *blur_pixmap);
|
||
free(blur_pixmap);
|
||
blur_pixmap = NULL;
|
||
}
|
||
|
||
|
||
cursor = create_cursor(conn, screen, win, curs_choice);
|
||
|
||
/* Display the "locking…" message while trying to grab the pointer/keyboard. */
|
||
auth_state = STATE_AUTH_LOCK;
|
||
if (!grab_pointer_and_keyboard(conn, screen, cursor, 1000)) {
|
||
DEBUG("stole focus from X11 window 0x%08x\n", stolen_focus);
|
||
|
||
/* Set the focus to i3lock, possibly closing context menus which would
|
||
* otherwise prevent us from grabbing keyboard/pointer.
|
||
*
|
||
* We cannot use set_focused_window because _NET_ACTIVE_WINDOW only
|
||
* works for managed windows, but i3lock uses an unmanaged window
|
||
* (override_redirect=1). */
|
||
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT /* revert_to */, win, XCB_CURRENT_TIME);
|
||
if (!grab_pointer_and_keyboard(conn, screen, cursor, 9000)) {
|
||
auth_state = STATE_I3LOCK_LOCK_FAILED;
|
||
redraw_screen();
|
||
sleep(1);
|
||
errx(EXIT_FAILURE, "Cannot grab pointer/keyboard");
|
||
}
|
||
}
|
||
|
||
pid_t pid = fork();
|
||
/* The pid == -1 case is intentionally ignored here:
|
||
* While the child process is useful for preventing other windows from
|
||
* popping up while i3lock blocks, it is not critical. */
|
||
if (pid == 0) {
|
||
/* Child */
|
||
close(xcb_get_file_descriptor(conn));
|
||
maybe_close_sleep_lock_fd();
|
||
raise_loop(win);
|
||
exit(EXIT_SUCCESS);
|
||
}
|
||
|
||
/* Load the keymap again to sync the current modifier state. Since we first
|
||
* loaded the keymap, there might have been changes, but starting from now,
|
||
* we should get all key presses/releases due to having grabbed the
|
||
* keyboard. */
|
||
(void)load_keymap();
|
||
|
||
/* Initialize the libev event loop. */
|
||
main_loop = EV_DEFAULT;
|
||
if (main_loop == NULL)
|
||
errx(EXIT_FAILURE, "Could not initialize libev. Bad LIBEV_FLAGS?");
|
||
|
||
/* Explicitly call the screen redraw in case "locking…" message was displayed */
|
||
auth_state = STATE_AUTH_IDLE;
|
||
redraw_screen();
|
||
|
||
struct ev_io *xcb_watcher = calloc(sizeof(struct ev_io), 1);
|
||
struct ev_check *xcb_check = calloc(sizeof(struct ev_check), 1);
|
||
struct ev_prepare *xcb_prepare = calloc(sizeof(struct ev_prepare), 1);
|
||
|
||
ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
|
||
ev_io_start(main_loop, xcb_watcher);
|
||
|
||
ev_check_init(xcb_check, xcb_check_cb);
|
||
ev_check_start(main_loop, xcb_check);
|
||
|
||
ev_prepare_init(xcb_prepare, xcb_prepare_cb);
|
||
ev_prepare_start(main_loop, xcb_prepare);
|
||
|
||
/* Invoke the event callback once to catch all the events which were
|
||
* received up until now. ev will only pick up new events (when the X11
|
||
* file descriptor becomes readable). */
|
||
ev_invoke(main_loop, xcb_check, 0);
|
||
|
||
if (show_clock || bar_enabled || slideshow_enabled) {
|
||
if (redraw_thread) {
|
||
struct timespec ts;
|
||
double s;
|
||
double ns = modf(refresh_rate, &s);
|
||
ts.tv_sec = (time_t) s;
|
||
ts.tv_nsec = ns * NANOSECONDS_IN_SECOND;
|
||
(void) pthread_create(&draw_thread, NULL, start_time_redraw_tick_pthread, (void*) &ts);
|
||
} else {
|
||
start_time_redraw_tick(main_loop);
|
||
}
|
||
}
|
||
ev_loop(main_loop, 0);
|
||
|
||
#ifndef __OpenBSD__
|
||
if (pam_cleanup) {
|
||
pam_end(pam_handle, PAM_SUCCESS);
|
||
}
|
||
#endif
|
||
|
||
if (stolen_focus == XCB_NONE) {
|
||
return 0;
|
||
}
|
||
|
||
DEBUG("restoring focus to X11 window 0x%08x\n", stolen_focus);
|
||
xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
|
||
xcb_ungrab_keyboard(conn, XCB_CURRENT_TIME);
|
||
xcb_destroy_window(conn, win);
|
||
set_focused_window(conn, screen->root, stolen_focus);
|
||
xcb_aux_sync(conn);
|
||
|
||
return 0;
|
||
}
|