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c977349120
This involves setuid'ing swaylock, which then forks and drops perms on the parent process. The child process remains root and listens on a pipe for requests to validate passwords against /etc/shadow.
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
#ifndef _SWAYLOCK_H
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#define _SWAYLOCK_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <wayland-client.h>
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#include "background-image.h"
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#include "cairo.h"
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#include "pool-buffer.h"
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#include "swaylock/seat.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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enum auth_state {
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AUTH_STATE_IDLE,
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AUTH_STATE_CLEAR,
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AUTH_STATE_INPUT,
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AUTH_STATE_INPUT_NOP,
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AUTH_STATE_BACKSPACE,
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AUTH_STATE_VALIDATING,
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AUTH_STATE_INVALID,
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};
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struct swaylock_colorset {
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uint32_t input;
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uint32_t cleared;
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uint32_t verifying;
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uint32_t wrong;
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};
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struct swaylock_colors {
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uint32_t background;
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uint32_t bs_highlight;
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uint32_t key_highlight;
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uint32_t separator;
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struct swaylock_colorset inside;
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struct swaylock_colorset line;
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struct swaylock_colorset ring;
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struct swaylock_colorset text;
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};
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struct swaylock_args {
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struct swaylock_colors colors;
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enum background_mode mode;
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char *font;
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uint32_t radius;
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uint32_t thickness;
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bool ignore_empty;
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bool show_indicator;
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bool daemonize;
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};
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struct swaylock_password {
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size_t len;
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char buffer[1024];
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};
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struct swaylock_state {
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struct wl_display *display;
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struct wl_compositor *compositor;
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struct zwlr_layer_shell_v1 *layer_shell;
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struct zwlr_input_inhibit_manager_v1 *input_inhibit_manager;
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struct wl_shm *shm;
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struct wl_list surfaces;
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struct wl_list images;
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struct swaylock_args args;
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struct swaylock_password password;
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struct swaylock_xkb xkb;
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enum auth_state auth_state;
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bool run_display;
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struct zxdg_output_manager_v1 *zxdg_output_manager;
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};
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struct swaylock_surface {
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cairo_surface_t *image;
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struct swaylock_state *state;
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struct wl_output *output;
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uint32_t output_global_name;
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struct zxdg_output_v1 *xdg_output;
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struct wl_surface *surface;
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struct zwlr_layer_surface_v1 *layer_surface;
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struct pool_buffer buffers[2];
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struct pool_buffer *current_buffer;
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bool frame_pending, dirty;
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uint32_t width, height;
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int32_t scale;
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enum wl_output_subpixel subpixel;
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char *output_name;
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struct wl_list link;
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};
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// There is exactly one swaylock_image for each -i argument
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struct swaylock_image {
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char *path;
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char *output_name;
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cairo_surface_t *cairo_surface;
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struct wl_list link;
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};
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void swaylock_handle_key(struct swaylock_state *state,
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xkb_keysym_t keysym, uint32_t codepoint);
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void render_frame(struct swaylock_surface *surface);
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void render_frames(struct swaylock_state *state);
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void damage_surface(struct swaylock_surface *surface);
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void damage_state(struct swaylock_state *state);
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void initialize_pw_backend(void);
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bool attempt_password(struct swaylock_password *pw);
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void clear_password_buffer(struct swaylock_password *pw);
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#endif
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