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Fire up the wlroots backend and run the event loop

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This commit is contained in:
Drew DeVault 2017-10-22 10:37:30 -04:00
parent 6edc32848f
commit 7c448b4081
11 changed files with 160 additions and 904 deletions
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56
include/sway/extensions.h
View file

@ -1,56 +0,0 @@
#ifndef _SWAY_EXTENSIONS_H
#define _SWAY_EXTENSIONS_H
#include <wayland-server.h>
#include <wlc/wlc-wayland.h>
#include "wayland-desktop-shell-server-protocol.h"
#include "list.h"
struct background_config {
wlc_handle output;
wlc_resource surface;
// we need the wl_resource of the surface in the destructor
struct wl_resource *wl_surface_res;
struct wl_client *client;
wlc_handle handle;
};
struct panel_config {
// wayland resource used in callbacks, is used to track this panel
struct wl_resource *wl_resource;
wlc_handle output;
wlc_resource surface;
// we need the wl_resource of the surface in the destructor
struct wl_resource *wl_surface_res;
enum desktop_shell_panel_position panel_position;
// used to determine if client is a panel
struct wl_client *client;
// wlc handle for this panel's surface, not set until panel is created
wlc_handle handle;
};
struct desktop_shell_state {
list_t *backgrounds;
list_t *panels;
list_t *lock_surfaces;
bool is_locked;
};
struct swaylock_state {
bool active;
wlc_handle output;
wlc_resource surface;
};
struct decoration_state {
list_t *csd_resources;
};
extern struct desktop_shell_state desktop_shell;
extern struct decoration_state decoration_state;
void register_extensions(void);
void server_decoration_enable_csd(wlc_handle handle);
#endif

31
include/sway/server.h Normal file
View file

@ -0,0 +1,31 @@
#ifndef _SWAY_SERVER_H
#define _SWAY_SERVER_H
#include <stdbool.h>
#include <wayland-server.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/render.h>
// TODO WLR: make Xwayland optional
#include <wlr/xwayland.h>
struct sway_server {
// TODO WLR
//struct roots_desktop *desktop;
//struct roots_input *input;
struct wl_display *wl_display;
struct wl_event_loop *wl_event_loop;
struct wlr_backend *backend;
struct wlr_renderer *renderer;
struct wlr_data_device_manager *data_device_manager;
};
bool server_init(struct sway_server *server);
void server_fini(struct sway_server *server);
struct sway_server server;
#endif

3
sway/CMakeLists.txt
View file

@ -25,9 +25,7 @@ add_executable(sway
container.c
criteria.c
debug_log.c
extensions.c
focus.c
handlers.c
input.c
input_state.c
ipc-json.c
@ -38,6 +36,7 @@ add_executable(sway
workspace.c
border.c
security.c
server.c
)
add_definitions(

2
sway/commands.c
View file

@ -120,6 +120,7 @@ void input_cmd_apply(struct input_config *input) {
// Try to find the input device and apply configuration now. If
// this is during startup then there will be no container and config
// will be applied during normal "new input" event from wlc.
/* TODO WLR
struct libinput_device *device = NULL;
for (int i = 0; i < input_devices->length; ++i) {
device = input_devices->items[i];
@ -134,6 +135,7 @@ void input_cmd_apply(struct input_config *input) {
break;
}
}
*/
}
}

407
sway/extensions.c
View file

@ -1,407 +0,0 @@
#include <stdlib.h>
#include <wlc/wlc.h>
#include <wlc/wlc-wayland.h>
#include <wlc/wlc-render.h>
#include "wayland-desktop-shell-server-protocol.h"
#include "wayland-swaylock-server-protocol.h"
#include "wayland-gamma-control-server-protocol.h"
#include "wayland-server-decoration-server-protocol.h"
#include "sway/layout.h"
#include "sway/input_state.h"
#include "sway/extensions.h"
#include "sway/security.h"
#include "sway/ipc-server.h"
#include "log.h"
struct desktop_shell_state desktop_shell;
struct decoration_state decoration_state;
static struct panel_config *find_or_create_panel_config(struct wl_resource *resource) {
for (int i = 0; i < desktop_shell.panels->length; i++) {
struct panel_config *conf = desktop_shell.panels->items[i];
if (conf->wl_resource == resource) {
sway_log(L_DEBUG, "Found existing panel config for resource %p", resource);
return conf;
}
}
sway_log(L_DEBUG, "Creating panel config for resource %p", resource);
struct panel_config *config = calloc(1, sizeof(struct panel_config));
if (!config) {
sway_log(L_ERROR, "Unable to create panel config");
return NULL;
}
list_add(desktop_shell.panels, config);
config->wl_resource = resource;
return config;
}
void background_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Background surface killed");
int i;
for (i = 0; i < desktop_shell.backgrounds->length; ++i) {
struct background_config *config = desktop_shell.backgrounds->items[i];
if (config->wl_surface_res == resource) {
list_del(desktop_shell.backgrounds, i);
break;
}
}
}
void panel_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Panel surface killed");
int i;
for (i = 0; i < desktop_shell.panels->length; ++i) {
struct panel_config *config = desktop_shell.panels->items[i];
if (config->wl_surface_res == resource) {
list_del(desktop_shell.panels, i);
arrange_windows(&root_container, -1, -1);
break;
}
}
}
void lock_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Lock surface killed");
int i;
for (i = 0; i < desktop_shell.lock_surfaces->length; ++i) {
struct wl_resource *surface = desktop_shell.lock_surfaces->items[i];
if (surface == resource) {
list_del(desktop_shell.lock_surfaces, i);
arrange_windows(&root_container, -1, -1);
break;
}
}
if (desktop_shell.lock_surfaces->length == 0) {
sway_log(L_DEBUG, "Desktop shell unlocked");
desktop_shell.is_locked = false;
// We need to now give focus back to the focus which we internally
// track, since when we lock sway we don't actually change our internal
// focus tracking.
swayc_t *focus = get_focused_container(swayc_active_workspace());
set_focused_container(focus);
wlc_view_focus(focus->handle);
}
}
static void set_background(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy_mask(pid) & FEATURE_BACKGROUND)) {
sway_log(L_INFO, "Denying background feature to %d", pid);
return;
}
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as background for output %d", surface, (int)output);
struct background_config *config = malloc(sizeof(struct background_config));
if (!config) {
sway_log(L_ERROR, "Unable to allocate background config");
return;
}
config->client = client;
config->output = output;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->wl_surface_res = surface;
list_add(desktop_shell.backgrounds, config);
wl_resource_set_destructor(surface, background_surface_destructor);
arrange_windows(swayc_by_handle(output), -1, -1);
wlc_output_schedule_render(config->output);
}
static void set_panel(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy_mask(pid) & FEATURE_PANEL)) {
sway_log(L_INFO, "Denying panel feature to %d", pid);
return;
}
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as panel for output %d (wl_resource: %p)", surface, (int)output, resource);
struct panel_config *config = find_or_create_panel_config(resource);
config->output = output;
config->client = client;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->wl_surface_res = surface;
wl_resource_set_destructor(surface, panel_surface_destructor);
arrange_windows(&root_container, -1, -1);
wlc_output_schedule_render(config->output);
}
static void desktop_set_lock_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_lock_surface is not currently supported");
}
static void desktop_unlock(struct wl_client *client, struct wl_resource *resource) {
sway_log(L_ERROR, "desktop_unlock is not currently supported");
}
static void set_grab_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_grab_surface is not currently supported");
}
static void desktop_ready(struct wl_client *client, struct wl_resource *resource) {
// nop
}
static void set_panel_position(struct wl_client *client, struct wl_resource *resource, uint32_t position) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy_mask(pid) & FEATURE_PANEL)) {
sway_log(L_INFO, "Denying panel feature to %d", pid);
return;
}
struct panel_config *config = find_or_create_panel_config(resource);
sway_log(L_DEBUG, "Panel position for wl_resource %p changed %d => %d", resource, config->panel_position, position);
config->panel_position = position;
arrange_windows(&root_container, -1, -1);
}
static struct desktop_shell_interface desktop_shell_implementation = {
.set_background = set_background,
.set_panel = set_panel,
.set_lock_surface = desktop_set_lock_surface,
.unlock = desktop_unlock,
.set_grab_surface = set_grab_surface,
.desktop_ready = desktop_ready,
.set_panel_position = set_panel_position
};
static void desktop_shell_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
if (version > 3) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client, &desktop_shell_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &desktop_shell_implementation, NULL, NULL);
}
static void set_lock_surface(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy_mask(pid) & FEATURE_LOCK)) {
sway_log(L_INFO, "Denying lock feature to %d", pid);
return;
}
swayc_t *output = swayc_by_handle(wlc_handle_from_wl_output_resource(_output));
swayc_t *view = swayc_by_handle(wlc_handle_from_wl_surface_resource(surface));
sway_log(L_DEBUG, "Setting lock surface to %p", view);
if (view && output) {
swayc_t *workspace = output->focused;
if (!swayc_is_child_of(view, workspace)) {
move_container_to(view, workspace);
}
// make the view floating so it doesn't rearrange other siblings.
if (!view->is_floating) {
destroy_container(remove_child(view));
add_floating(workspace, view);
}
wlc_view_set_state(view->handle, WLC_BIT_FULLSCREEN, true);
wlc_view_bring_to_front(view->handle);
wlc_view_focus(view->handle);
desktop_shell.is_locked = true;
input_init();
arrange_windows(workspace, -1, -1);
list_add(desktop_shell.lock_surfaces, surface);
wl_resource_set_destructor(surface, lock_surface_destructor);
} else {
sway_log(L_ERROR, "Attempted to set lock surface to non-view");
}
}
static void unlock(struct wl_client *client, struct wl_resource *resource) {
sway_log(L_ERROR, "unlock is not currently supported");
// This isn't really necessary, we just unlock when the client exits.
}
static struct lock_interface swaylock_implementation = {
.set_lock_surface = set_lock_surface,
.unlock = unlock
};
static void swaylock_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
if (version > 1) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client, &lock_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &swaylock_implementation, NULL, NULL);
}
static void gamma_control_destroy(struct wl_client *client, struct wl_resource *res) {
wl_resource_destroy(res);
}
static void gamma_control_set_gamma(struct wl_client *client,
struct wl_resource *res, struct wl_array *red,
struct wl_array *green, struct wl_array *blue) {
if (red->size != green->size || red->size != blue->size) {
wl_resource_post_error(res, GAMMA_CONTROL_ERROR_INVALID_GAMMA,
"The gamma ramps don't have the same size");
return;
}
uint16_t *r = (uint16_t *)red->data;
uint16_t *g = (uint16_t *)green->data;
uint16_t *b = (uint16_t *)blue->data;
wlc_handle output = wlc_handle_from_wl_output_resource(
wl_resource_get_user_data(res));
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting gamma for output");
wlc_output_set_gamma(output, red->size / sizeof(uint16_t), r, g, b);
}
static void gamma_control_reset_gamma(struct wl_client *client,
struct wl_resource *resource) {
// This space intentionally left blank
}
static struct gamma_control_interface gamma_control_implementation = {
.destroy = gamma_control_destroy,
.set_gamma = gamma_control_set_gamma,
.reset_gamma = gamma_control_reset_gamma
};
static void gamma_control_manager_destroy(struct wl_client *client,
struct wl_resource *res) {
wl_resource_destroy(res);
}
static void gamma_control_manager_get(struct wl_client *client,
struct wl_resource *res, uint32_t id, struct wl_resource *_output) {
struct wl_resource *manager_res = wl_resource_create(client,
&gamma_control_interface, wl_resource_get_version(res), id);
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
wl_resource_set_implementation(manager_res, &gamma_control_implementation,
_output, NULL);
gamma_control_send_gamma_size(manager_res, wlc_output_get_gamma_size(output));
}
static struct gamma_control_manager_interface gamma_manager_implementation = {
.destroy = gamma_control_manager_destroy,
.get_gamma_control = gamma_control_manager_get
};
static void gamma_control_manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
if (version > 1) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client,
&gamma_control_manager_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &gamma_manager_implementation, NULL, NULL);
}
static void server_decoration_release(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
void server_decoration_enable_csd(wlc_handle handle) {
swayc_t *view = swayc_by_handle(handle);
if (!view) {
sway_log(L_DEBUG, "view invalid");
return;
}
sway_log(L_DEBUG, "%s requested client side decorations", view->name);
view->border_type = B_NONE;
update_geometry(view);
}
static void server_decoration_request_mode(struct wl_client *client,
struct wl_resource *resource, uint32_t mode) {
sway_log(L_DEBUG, "Client requested server decoration mode %d", mode);
if (mode == ORG_KDE_KWIN_SERVER_DECORATION_MODE_SERVER) {
return;
}
struct wl_resource *surface = wl_resource_get_user_data(resource);
if (!surface) {
sway_log(L_DEBUG, "surface invalid");
return;
}
wlc_handle handle = wlc_handle_from_wl_surface_resource(surface);
if (!handle) {
list_add(decoration_state.csd_resources, surface);
return;
}
server_decoration_enable_csd(handle);
}
static struct org_kde_kwin_server_decoration_interface server_decoration_implementation = {
.release = server_decoration_release,
.request_mode = server_decoration_request_mode,
};
static void server_decoration_manager_create(struct wl_client *client,
struct wl_resource *resource, uint32_t id, struct wl_resource *surface) {
sway_log(L_DEBUG, "Client requested server decoration manager");
struct wl_resource *manager = wl_resource_create(client,
&org_kde_kwin_server_decoration_interface, 1, id);
if (!manager) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(manager, &server_decoration_implementation, surface, NULL);
}
// Jesus christ KDE, these names are whack as hell
static struct org_kde_kwin_server_decoration_manager_interface server_decoration_manager_implementation = {
.create = server_decoration_manager_create,
};
static void server_decoration_manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
if (version > 1) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client,
&org_kde_kwin_server_decoration_manager_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &server_decoration_manager_implementation, NULL, NULL);
org_kde_kwin_server_decoration_manager_send_default_mode(resource,
ORG_KDE_KWIN_SERVER_DECORATION_MODE_SERVER);
}
void register_extensions(void) {
wl_global_create(wlc_get_wl_display(), &desktop_shell_interface, 3, NULL, desktop_shell_bind);
desktop_shell.backgrounds = create_list();
desktop_shell.panels = create_list();
desktop_shell.lock_surfaces = create_list();
desktop_shell.is_locked = false;
decoration_state.csd_resources = create_list();
wl_global_create(wlc_get_wl_display(), &lock_interface, 1, NULL, swaylock_bind);
wl_global_create(wlc_get_wl_display(), &gamma_control_manager_interface, 1,
NULL, gamma_control_manager_bind);
wl_global_create(wlc_get_wl_display(), &org_kde_kwin_server_decoration_manager_interface ,
1, NULL, server_decoration_manager_bind);
}

3
sway/focus.c
View file

@ -4,7 +4,6 @@
#include "sway/workspace.h"
#include "sway/layout.h"
#include "sway/config.h"
#include "sway/extensions.h"
#include "sway/input_state.h"
#include "sway/ipc-server.h"
#include "sway/border.h"
@ -163,12 +162,14 @@ bool set_focused_container(swayc_t *c) {
if (c->type == C_VIEW) {
wlc_view_set_state(c->handle, WLC_BIT_ACTIVATED, true);
}
/* TODO WLR
if (!desktop_shell.is_locked) {
// If the system is locked, we do everything _but_ actually setting
// focus. This includes making our internals think that this view is
// focused.
wlc_view_focus(c->handle);
}
*/
if (c->parent->layout != L_TABBED && c->parent->layout != L_STACKED) {
update_container_border(c);
}

389
sway/ipc-server.c
View file

@ -10,7 +10,6 @@
#include <sys/socket.h>
#include <sys/un.h>
#include <stdbool.h>
#include <wlc/wlc-render.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/ioctl.h>
@ -31,21 +30,22 @@ struct ucred {
#include "sway/config.h"
#include "sway/commands.h"
#include "sway/input.h"
#include "sway/server.h"
#include "stringop.h"
#include "log.h"
#include "list.h"
#include "util.h"
static int ipc_socket = -1;
static struct wlc_event_source *ipc_event_source = NULL;
static struct wl_event_source *ipc_event_source = NULL;
static struct sockaddr_un *ipc_sockaddr = NULL;
static list_t *ipc_client_list = NULL;
static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
struct ipc_client {
struct wlc_event_source *event_source;
struct wlc_event_source *writable_event_source;
struct wl_event_source *event_source;
struct wl_event_source *writable_event_source;
int fd;
uint32_t payload_length;
uint32_t security_policy;
@ -58,25 +58,6 @@ struct ipc_client {
static list_t *ipc_get_pixel_requests = NULL;
struct get_pixels_request {
struct ipc_client *client;
wlc_handle output;
struct wlc_geometry geo;
};
struct get_clipboard_request {
struct ipc_client *client;
json_object *json;
int fd;
struct wlc_event_source *fd_event_source;
struct wlc_event_source *timer_event_source;
char *type;
unsigned int *pending;
char *buf;
size_t buf_size;
size_t buf_position;
};
struct sockaddr_un *ipc_user_sockaddr(void);
int ipc_handle_connection(int fd, uint32_t mask, void *data);
int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data);
@ -118,12 +99,13 @@ void ipc_init(void) {
ipc_client_list = create_list();
ipc_get_pixel_requests = create_list();
ipc_event_source = wlc_event_loop_add_fd(ipc_socket, WLC_EVENT_READABLE, ipc_handle_connection, NULL);
ipc_event_source = wl_event_loop_add_fd(server.wl_event_loop, ipc_socket,
WL_EVENT_READABLE, ipc_handle_connection, NULL);
}
void ipc_terminate(void) {
if (ipc_event_source) {
wlc_event_source_remove(ipc_event_source);
wl_event_source_remove(ipc_event_source);
}
close(ipc_socket);
unlink(ipc_sockaddr->sun_path);
@ -176,7 +158,7 @@ static pid_t get_client_pid(int client_fd) {
int ipc_handle_connection(int fd, uint32_t mask, void *data) {
(void) fd; (void) data;
sway_log(L_DEBUG, "Event on IPC listening socket");
assert(mask == WLC_EVENT_READABLE);
assert(mask == WL_EVENT_READABLE);
int client_fd = accept(ipc_socket, NULL, NULL);
if (client_fd == -1) {
@ -207,7 +189,8 @@ int ipc_handle_connection(int fd, uint32_t mask, void *data) {
client->payload_length = 0;
client->fd = client_fd;
client->subscribed_events = 0;
client->event_source = wlc_event_loop_add_fd(client_fd, WLC_EVENT_READABLE, ipc_client_handle_readable, client);
client->event_source = wl_event_loop_add_fd(server.wl_event_loop, client_fd,
WL_EVENT_READABLE, ipc_client_handle_readable, client);
client->writable_event_source = NULL;
client->write_buffer_size = 128;
@ -234,13 +217,13 @@ static const int ipc_header_size = sizeof(ipc_magic)+8;
int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
struct ipc_client *client = data;
if (mask & WLC_EVENT_ERROR) {
if (mask & WL_EVENT_ERROR) {
sway_log(L_ERROR, "IPC Client socket error, removing client");
ipc_client_disconnect(client);
return 0;
}
if (mask & WLC_EVENT_HANGUP) {
if (mask & WL_EVENT_HANGUP) {
sway_log(L_DEBUG, "Client %d hung up", client->fd);
ipc_client_disconnect(client);
return 0;
@ -296,13 +279,13 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
struct ipc_client *client = data;
if (mask & WLC_EVENT_ERROR) {
if (mask & WL_EVENT_ERROR) {
sway_log(L_ERROR, "IPC Client socket error, removing client");
ipc_client_disconnect(client);
return 0;
}
if (mask & WLC_EVENT_HANGUP) {
if (mask & WL_EVENT_HANGUP) {
sway_log(L_DEBUG, "Client %d hung up", client->fd);
ipc_client_disconnect(client);
return 0;
@ -328,7 +311,7 @@ int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
client->write_buffer_len -= written;
if (client->write_buffer_len == 0 && client->writable_event_source) {
wlc_event_source_remove(client->writable_event_source);
wl_event_source_remove(client->writable_event_source);
client->writable_event_source = NULL;
}
@ -345,9 +328,9 @@ void ipc_client_disconnect(struct ipc_client *client) {
}
sway_log(L_INFO, "IPC Client %d disconnected", client->fd);
wlc_event_source_remove(client->event_source);
wl_event_source_remove(client->event_source);
if (client->writable_event_source) {
wlc_event_source_remove(client->writable_event_source);
wl_event_source_remove(client->writable_event_source);
}
int i = 0;
while (i < ipc_client_list->length && ipc_client_list->items[i] != client) i++;
@ -365,165 +348,6 @@ bool output_by_name_test(swayc_t *view, void *data) {
return !strcmp(name, view->name);
}
void ipc_get_pixels(wlc_handle output) {
if (ipc_get_pixel_requests->length == 0) {
return;
}
list_t *unhandled = create_list();
struct get_pixels_request *req;
int i;
for (i = 0; i < ipc_get_pixel_requests->length; ++i) {
req = ipc_get_pixel_requests->items[i];
if (req->output != output) {
list_add(unhandled, req);
continue;
}
const struct wlc_size *size = &req->geo.size;
struct wlc_geometry g_out;
char response_header[9];
memset(response_header, 0, sizeof(response_header));
char *data = malloc(sizeof(response_header) + size->w * size->h * 4);
if (!data) {
sway_log(L_ERROR, "Unable to allocate pixels for get_pixels");
ipc_client_disconnect(req->client);
free(req);
continue;
}
wlc_pixels_read(WLC_RGBA8888, &req->geo, &g_out, data + sizeof(response_header));
response_header[0] = 1;
uint32_t *_size = (uint32_t *)(response_header + 1);
_size[0] = g_out.size.w;
_size[1] = g_out.size.h;
size_t len = sizeof(response_header) + (g_out.size.w * g_out.size.h * 4);
memcpy(data, response_header, sizeof(response_header));
ipc_send_reply(req->client, data, len);
free(data);
// free the request since it has been handled
free(req);
}
// free old list of pixel requests and set new list to all unhandled
// requests (request for another output).
list_free(ipc_get_pixel_requests);
ipc_get_pixel_requests = unhandled;
}
static bool is_text_target(const char *target) {
return (strncmp(target, "text/", 5) == 0
|| strcmp(target, "UTF8_STRING") == 0
|| strcmp(target, "STRING") == 0
|| strcmp(target, "TEXT") == 0
|| strcmp(target, "COMPOUND_TEXT") == 0);
}
static void release_clipboard_request(struct get_clipboard_request *req) {
if (--(*req->pending) == 0) {
const char *str = json_object_to_json_string(req->json);
ipc_send_reply(req->client, str, (uint32_t)strlen(str));
json_object_put(req->json);
}
free(req->type);
free(req->buf);
wlc_event_source_remove(req->fd_event_source);
wlc_event_source_remove(req->timer_event_source);
close(req->fd);
free(req);
}
static int ipc_selection_data_cb(int fd, uint32_t mask, void *data) {
assert(data);
struct get_clipboard_request *req = (struct get_clipboard_request *)data;
if (mask & WLC_EVENT_ERROR) {
sway_log(L_ERROR, "Selection data fd error");
goto error;
}
if (mask & WLC_EVENT_READABLE) {
static const unsigned int max_size = 8192 * 1024;
int amt = 0;
do {
int size = req->buf_size - req->buf_position;
int amt = read(fd, req->buf + req->buf_position, size - 1);
if (amt < 0) {
if (errno == EAGAIN) {
return 0;
}
sway_log_errno(L_INFO, "Failed to read from clipboard data fd");
goto release;
}
req->buf_position += amt;
if (req->buf_position >= req->buf_size - 1) {
if (req->buf_size >= max_size) {
sway_log(L_ERROR, "get_clipbard: selection data too large");
goto error;
}
char *next = realloc(req->buf, req->buf_size *= 2);
if (!next) {
sway_log_errno(L_ERROR, "get_clipboard: realloc data buffer failed");
goto error;
}
req->buf = next;
}
} while(amt != 0);
req->buf[req->buf_position] = '\0';
json_object *obj = json_object_new_object();
json_object_object_add(obj, "success", json_object_new_boolean(true));
if (is_text_target(req->type)) {
json_object_object_add(obj, "content", json_object_new_string(req->buf));
json_object_object_add(req->json, req->type, obj);
} else {
size_t outlen;
char *b64 = b64_encode(req->buf, req->buf_position, &outlen);
json_object_object_add(obj, "content", json_object_new_string(b64));
free(b64);
char *type = malloc(strlen(req->type) + 8);
strcat(type, ";base64");
json_object_object_add(req->json, type, obj);
free(type);
}
}
goto release;
error:;
json_object *obj = json_object_new_object();
json_object_object_add(obj, "success", json_object_new_boolean(false));
json_object_object_add(obj, "error",
json_object_new_string("Failed to retrieve data"));
json_object_object_add(req->json, req->type, obj);
release:
release_clipboard_request(req);
return 0;
}
static int ipc_selection_timer_cb(void *data) {
assert(data);
struct get_clipboard_request *req = (struct get_clipboard_request *)data;
sway_log(L_INFO, "get_clipbard: timeout for type %s", req->type);
json_object *obj = json_object_new_object();
json_object_object_add(obj, "success", json_object_new_boolean(false));
json_object_object_add(obj, "error", json_object_new_string("Timeout"));
json_object_object_add(req->json, req->type, obj);
release_clipboard_request(req);
return 0;
}
// greedy wildcard (only "*") matching
bool mime_type_matches(const char *mime_type, const char *pattern) {
const char *wildcard = NULL;
@ -553,125 +377,6 @@ bool mime_type_matches(const char *mime_type, const char *pattern) {
return (*mime_type == *pattern);
}
void ipc_get_clipboard(struct ipc_client *client, char *buf) {
size_t size;
const char **types = wlc_get_selection_types(&size);
if (client->payload_length == 0) {
json_object *obj = json_object_new_array();
for (size_t i = 0; i < size; ++i) {
json_object_array_add(obj, json_object_new_string(types[i]));
}
const char *str = json_object_to_json_string(obj);
ipc_send_reply(client, str, strlen(str));
json_object_put(obj);
return;
}
unescape_string(buf);
strip_quotes(buf);
list_t *requested = split_string(buf, " ");
json_object *json = json_object_new_object();
unsigned int *pending = malloc(sizeof(unsigned int));
*pending = 0;
for (size_t l = 0; l < (size_t) requested->length; ++l) {
const char *pattern = requested->items[l];
bool found = false;
for (size_t i = 0; i < size; ++i) {
if (!mime_type_matches(types[i], pattern)) {
continue;
}
found = true;
struct get_clipboard_request *req = malloc(sizeof(*req));
if (!req) {
sway_log(L_ERROR, "get_clipboard: request malloc failed");
goto data_error;
}
int pipes[2];
if (pipe(pipes) == -1) {
sway_log_errno(L_ERROR, "get_clipboard: pipe call failed");
free(req);
goto data_error;
}
fcntl(pipes[0], F_SETFD, FD_CLOEXEC | O_NONBLOCK);
fcntl(pipes[1], F_SETFD, FD_CLOEXEC | O_NONBLOCK);
if (!wlc_get_selection_data(types[i], pipes[1])) {
close(pipes[0]);
close(pipes[1]);
free(req);
sway_log(L_ERROR, "get_clipboard: failed to retrieve "
"selection data");
goto data_error;
}
if (!(req->buf = malloc(512))) {
close(pipes[0]);
close(pipes[1]);
free(req);
sway_log_errno(L_ERROR, "get_clipboard: buf malloc failed");
goto data_error;
}
(*pending)++;
req->client = client;
req->type = strdup(types[i]);
req->json = json;
req->pending = pending;
req->buf_position = 0;
req->buf_size = 512;
req->fd = pipes[0];
req->timer_event_source = wlc_event_loop_add_timer(ipc_selection_timer_cb, req);
req->fd_event_source = wlc_event_loop_add_fd(pipes[0],
WLC_EVENT_READABLE | WLC_EVENT_ERROR | WLC_EVENT_HANGUP,
&ipc_selection_data_cb, req);
wlc_event_source_timer_update(req->timer_event_source, 30000);
// NOTE: remove this goto to enable retrieving multiple
// targets at once. The whole implementation is already
// made for it. The only reason it was disabled
// at the time of writing is that neither wlc's xselection
// implementation nor (apparently) gtk on wayland supports
// multiple send requests at the same time which makes
// every request except the last one fail (and therefore
// return empty data)
goto cleanup;
}
if (!found) {
sway_log(L_INFO, "Invalid clipboard type %s requested", pattern);
}
}
if (*pending == 0) {
static const char *error_empty = "{ \"success\": false, \"error\": "
"\"No matching types found\" }";
ipc_send_reply(client, error_empty, (uint32_t)strlen(error_empty));
free(json);
free(pending);
}
goto cleanup;
data_error:;
static const char *error_json = "{ \"success\": false, \"error\": "
"\"Failed to create clipboard data request\" }";
ipc_send_reply(client, error_json, (uint32_t)strlen(error_json));
free(json);
free(pending);
cleanup:
list_free(requested);
free(types);
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
@ -830,52 +535,6 @@ void ipc_client_handle_command(struct ipc_client *client) {
goto exit_cleanup;
}
case IPC_SWAY_GET_PIXELS:
{
char response_header[9];
memset(response_header, 0, sizeof(response_header));
json_object *obj = json_tokener_parse(buf);
json_object *o, *x, *y, *w, *h;
json_object_object_get_ex(obj, "output", &o);
json_object_object_get_ex(obj, "x", &x);
json_object_object_get_ex(obj, "y", &y);
json_object_object_get_ex(obj, "w", &w);
json_object_object_get_ex(obj, "h", &h);
struct wlc_geometry g = {
.origin = {
.x = json_object_get_int(x),
.y = json_object_get_int(y)
},
.size = {
.w = json_object_get_int(w),
.h = json_object_get_int(h)
}
};
swayc_t *output = swayc_by_test(&root_container, output_by_name_test, (void *)json_object_get_string(o));
json_object_put(obj);
if (!output) {
sway_log(L_ERROR, "IPC GET_PIXELS request with unknown output name");
ipc_send_reply(client, response_header, sizeof(response_header));
goto exit_cleanup;
}
struct get_pixels_request *req = malloc(sizeof(struct get_pixels_request));
if (!req) {
sway_log(L_ERROR, "Unable to allocate get_pixels request");
goto exit_cleanup;
}
req->client = client;
req->output = output->handle;
req->geo = g;
list_add(ipc_get_pixel_requests, req);
wlc_output_schedule_render(output->handle);
goto exit_cleanup;
}
case IPC_GET_BAR_CONFIG:
{
if (!(client->security_policy & IPC_FEATURE_GET_BAR_CONFIG)) {
@ -917,14 +576,8 @@ void ipc_client_handle_command(struct ipc_client *client) {
}
case IPC_GET_CLIPBOARD:
{
if (!(client->security_policy & IPC_FEATURE_GET_CLIPBOARD)) {
goto exit_denied;
}
ipc_get_clipboard(client, buf);
goto exit_cleanup;
}
// TODO WLR
break;
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
@ -977,7 +630,9 @@ bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t pay
client->write_buffer_len += payload_length;
if (!client->writable_event_source) {
client->writable_event_source = wlc_event_loop_add_fd(client->fd, WLC_EVENT_WRITABLE, ipc_client_handle_writable, client);
client->writable_event_source = wl_event_loop_add_fd(
server.wl_event_loop, client->fd, WL_EVENT_WRITABLE,
ipc_client_handle_writable, client);
}
sway_log(L_DEBUG, "Added IPC reply to client %d queue: %s", client->fd, payload);

5
sway/layout.c
View file

@ -3,7 +3,6 @@
#include <stdbool.h>
#include <math.h>
#include <wlc/wlc.h>
#include "sway/extensions.h"
#include "sway/config.h"
#include "sway/container.h"
#include "sway/workspace.h"
@ -1001,6 +1000,7 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
{
swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
width = output->width, height = output->height;
/* TODO WLR
for (i = 0; i < desktop_shell.panels->length; ++i) {
struct panel_config *config = desktop_shell.panels->items[i];
if (config->output == output->handle) {
@ -1022,6 +1022,7 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
}
}
}
*/
int gap = swayc_gap(container);
x = container->x = x + gap;
y = container->y = y + gap;
@ -1380,11 +1381,13 @@ void arrange_windows(swayc_t *container, double width, double height) {
}
void arrange_backgrounds(void) {
/* TODO WLR
struct background_config *bg;
for (int i = 0; i < desktop_shell.backgrounds->length; ++i) {
bg = desktop_shell.backgrounds->items[i];
wlc_view_send_to_back(bg->handle);
}
*/
}
/**

113
sway/main.c
View file

@ -3,7 +3,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <wlc/wlc.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -15,13 +14,13 @@
#include <sys/capability.h>
#include <sys/prctl.h>
#endif
#include "sway/extensions.h"
#include "sway/layout.h"
#include "sway/config.h"
#include "sway/security.h"
#include "sway/handlers.h"
#include "sway/input.h"
#include "sway/ipc-server.h"
#include "sway/server.h"
#include "ipc-client.h"
#include "readline.h"
#include "stringop.h"
@ -31,11 +30,12 @@
static bool terminate_request = false;
static int exit_value = 0;
struct sway_server server;
void sway_terminate(int exit_code) {
terminate_request = true;
exit_value = exit_code;
wlc_terminate();
wl_display_terminate(server.wl_display);
}
void sig_handler(int signal) {
@ -43,16 +43,6 @@ void sig_handler(int signal) {
sway_terminate(EXIT_SUCCESS);
}
static void wlc_log_handler(enum wlc_log_type type, const char *str) {
if (type == WLC_LOG_ERROR) {
sway_log(L_ERROR, "[wlc] %s", str);
} else if (type == WLC_LOG_WARN) {
sway_log(L_INFO, "[wlc] %s", str);
} else {
sway_log(L_DEBUG, "[wlc] %s", str);
}
}
void detect_raspi() {
bool raspi = false;
FILE *f = fopen("/sys/firmware/devicetree/base/model", "r");
@ -189,19 +179,7 @@ static void log_env() {
"LD_LIBRARY_PATH",
"SWAY_CURSOR_THEME",
"SWAY_CURSOR_SIZE",
"SWAYSOCK",
"WLC_DRM_DEVICE",
"WLC_SHM",
"WLC_OUTPUTS",
"WLC_XWAYLAND",
"WLC_LIBINPUT",
"WLC_REPEAT_DELAY",
"WLC_REPEAT_RATE",
"XKB_DEFAULT_RULES",
"XKB_DEFAULT_MODEL",
"XKB_DEFAULT_LAYOUT",
"XKB_DEFAULT_VARIANT",
"XKB_DEFAULT_OPTIONS",
"SWAYSOCK"
};
for (size_t i = 0; i < sizeof(log_vars) / sizeof(char *); ++i) {
sway_log(L_INFO, "%s=%s", log_vars[i], getenv(log_vars[i]));
@ -295,6 +273,37 @@ static void executable_sanity_check() {
#endif
}
static void drop_permissions(bool keep_caps) {
if (getuid() != geteuid() || getgid() != getegid()) {
if (setgid(getgid()) != 0) {
sway_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE);
}
if (setuid(getuid()) != 0) {
sway_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE);
}
}
if (setuid(0) != -1) {
sway_log(L_ERROR, "Root privileges can be restored.");
exit(EXIT_FAILURE);
}
#ifdef __linux__
if (keep_caps) {
// Drop every cap except CAP_SYS_PTRACE
cap_t caps = cap_init();
cap_value_t keep = CAP_SYS_PTRACE;
sway_log(L_INFO, "Dropping extra capabilities");
if (cap_set_flag(caps, CAP_PERMITTED, 1, &keep, CAP_SET) ||
cap_set_flag(caps, CAP_EFFECTIVE, 1, &keep, CAP_SET) ||
cap_set_proc(caps)) {
sway_log(L_ERROR, "Failed to drop extra capabilities");
exit(EXIT_FAILURE);
}
}
#endif
}
int main(int argc, char **argv) {
static int verbose = 0, debug = 0, validate = 0;
@ -374,7 +383,7 @@ int main(int argc, char **argv) {
}
}
// we need to setup logging before wlc_init in case it fails.
// TODO: switch logging over to wlroots?
if (debug) {
init_log(L_DEBUG);
} else if (verbose || validate) {
@ -388,20 +397,7 @@ int main(int argc, char **argv) {
sway_log(L_ERROR, "Don't use options with the IPC client");
exit(EXIT_FAILURE);
}
if (getuid() != geteuid() || getgid() != getegid()) {
if (setgid(getgid()) != 0) {
sway_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE);
}
if (setuid(getuid()) != 0) {
sway_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE);
}
}
if (setuid(0) != -1) {
sway_log(L_ERROR, "Root privileges can be restored.");
exit(EXIT_FAILURE);
}
drop_permissions(false);
char *socket_path = getenv("SWAYSOCK");
if (!socket_path) {
sway_log(L_ERROR, "Unable to retrieve socket path");
@ -413,8 +409,8 @@ int main(int argc, char **argv) {
}
executable_sanity_check();
#ifdef __linux__
bool suid = false;
#ifdef __linux__
if (getuid() != geteuid() || getgid() != getegid()) {
// Retain capabilities after setuid()
if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0)) {
@ -425,37 +421,14 @@ int main(int argc, char **argv) {
}
#endif
wlc_log_set_handler(wlc_log_handler);
log_kernel();
log_distro();
log_env();
detect_proprietary();
detect_raspi();
input_devices = create_list();
/* Changing code earlier than this point requires detailed review */
/* (That code runs as root on systems without logind, and wlc_init drops to
* another user.) */
register_wlc_handlers();
if (!wlc_init()) {
return 1;
}
register_extensions();
#ifdef __linux__
if (suid) {
// Drop every cap except CAP_SYS_PTRACE
cap_t caps = cap_init();
cap_value_t keep = CAP_SYS_PTRACE;
sway_log(L_INFO, "Dropping extra capabilities");
if (cap_set_flag(caps, CAP_PERMITTED, 1, &keep, CAP_SET) ||
cap_set_flag(caps, CAP_EFFECTIVE, 1, &keep, CAP_SET) ||
cap_set_proc(caps)) {
sway_log(L_ERROR, "Failed to drop extra capabilities");
exit(EXIT_FAILURE);
}
}
drop_permissions(suid);
#endif
// handle SIGTERM signals
signal(SIGTERM, sig_handler);
@ -465,8 +438,10 @@ int main(int argc, char **argv) {
sway_log(L_INFO, "Starting sway version " SWAY_VERSION "\n");
if (!server_init(&server)) {
return 1;
}
init_layout();
ipc_init();
if (validate) {
@ -485,10 +460,10 @@ int main(int argc, char **argv) {
security_sanity_check();
if (!terminate_request) {
wlc_run();
wl_display_run(server.wl_display);
}
list_free(input_devices);
server_fini(&server);
ipc_terminate();

54
sway/server.c Normal file
View file

@ -0,0 +1,54 @@
#define _POSIX_C_SOURCE 200112L
#include <stdlib.h>
#include <stdbool.h>
#include <wayland-server.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/render.h>
#include <wlr/render/gles2.h>
// TODO WLR: make Xwayland optional
#include <wlr/xwayland.h>
#include "sway/server.h"
#include "log.h"
bool server_init(struct sway_server *server) {
sway_log(L_DEBUG, "Initializing Wayland server");
server->wl_display = wl_display_create();
server->wl_event_loop = wl_display_get_event_loop(server->wl_display);
server->backend = wlr_backend_autocreate(server->wl_display);
server->renderer = wlr_gles2_renderer_create(server->backend);
wl_display_init_shm(server->wl_display);
// TODO WLR
//server->desktop = desktop_create(server, server.config);
//server->input = input_create(&server, server.config);
server->data_device_manager =
wlr_data_device_manager_create(server->wl_display);
const char *socket = wl_display_add_socket_auto(server->wl_display);
if (!socket) {
sway_log_errno(L_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(server->backend);
return false;
}
sway_log(L_INFO, "Running compositor on wayland display '%s'", socket);
setenv("_WAYLAND_DISPLAY", socket, true);
if (!wlr_backend_start(server->backend)) {
sway_log(L_ERROR, "Failed to start backend");
wlr_backend_destroy(server->backend);
return false;
}
setenv("WAYLAND_DISPLAY", socket, true);
return true;
}
void server_fini(struct sway_server *server) {
// TODO WLR: tear down more stuff
wlr_backend_destroy(server->backend);
}

1
sway/workspace.c
View file

@ -8,7 +8,6 @@
#include <strings.h>
#include <sys/types.h>
#include "sway/ipc-server.h"
#include "sway/extensions.h"
#include "sway/workspace.h"
#include "sway/layout.h"
#include "sway/container.h"