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https://github.com/labwc/labwc.git
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145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <wlr/util/log.h>
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#include "common/buf.h"
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#include "common/file-helpers.h"
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#include "common/spawn.h"
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#include "common/string-helpers.h"
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#include "config/session.h"
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static bool
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string_empty(const char *s)
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{
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return !s || !*s;
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}
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static void
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process_line(char *line)
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{
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if (string_empty(line) || line[0] == '#') {
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return;
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}
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char *key = NULL;
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char *p = strchr(line, '=');
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if (!p) {
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return;
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}
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*p = '\0';
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key = string_strip(line);
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struct buf value;
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buf_init(&value);
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buf_add(&value, string_strip(++p));
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buf_expand_shell_variables(&value);
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buf_expand_tilde(&value);
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if (string_empty(key) || !value.len) {
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goto error;
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}
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setenv(key, value.buf, 1);
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error:
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free(value.buf);
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}
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static void
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read_environment_file(const char *filename)
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{
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char *line = NULL;
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size_t len = 0;
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FILE *stream = fopen(filename, "r");
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if (!stream) {
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return;
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}
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wlr_log(WLR_INFO, "read environment file %s", filename);
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while (getline(&line, &len, stream) != -1) {
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char *p = strrchr(line, '\n');
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if (p) {
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*p = '\0';
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}
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process_line(line);
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}
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free(line);
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fclose(stream);
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}
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static char *
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build_path(const char *dir, const char *filename)
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{
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if (string_empty(dir) || string_empty(filename)) {
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return NULL;
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}
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return strdup_printf("%s/%s", dir, filename);
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}
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static void
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update_activation_env(const char *env_keys)
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{
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if (!getenv("DBUS_SESSION_BUS_ADDRESS")) {
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/* Prevent accidentally auto-launching a dbus session */
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wlr_log(WLR_INFO, "Not updating dbus execution environment: "
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"DBUS_SESSION_BUS_ADDRESS not set");
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return;
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}
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wlr_log(WLR_INFO, "Updating dbus execution environment");
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char *cmd = strdup_printf("dbus-update-activation-environment %s", env_keys);
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spawn_async_no_shell(cmd);
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free(cmd);
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cmd = strdup_printf("systemctl --user import-environment %s", env_keys);
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spawn_async_no_shell(cmd);
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free(cmd);
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}
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void
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session_environment_init(const char *dir)
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{
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/*
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* Set default for XDG_CURRENT_DESKTOP so xdg-desktop-portal-wlr is happy.
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* May be overridden either by already having a value set or by the user
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* supplied environment file.
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*/
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setenv("XDG_CURRENT_DESKTOP", "wlroots", 0);
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/*
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* Set default for _JAVA_AWT_WM_NONREPARENTING so that Java applications
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* such as JetBrains/Intellij Idea do render blank windows and menus
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* with incorrect offset. See https://github.com/swaywm/sway/issues/595
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* May be overridden either by already having a value set or by the user
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* supplied environment file.
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*/
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setenv("_JAVA_AWT_WM_NONREPARENTING", "1", 0);
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char *environment = build_path(dir, "environment");
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if (!environment) {
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return;
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}
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read_environment_file(environment);
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free(environment);
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}
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void
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session_autostart_init(const char *dir)
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{
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/* Update dbus and systemd user environment, each may fail gracefully */
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update_activation_env("DISPLAY WAYLAND_DISPLAY XDG_CURRENT_DESKTOP");
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char *autostart = build_path(dir, "autostart");
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if (!autostart) {
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return;
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}
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if (!file_exists(autostart)) {
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wlr_log(WLR_ERROR, "no autostart file");
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goto out;
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}
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wlr_log(WLR_INFO, "run autostart file %s", autostart);
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char *cmd = strdup_printf("sh %s", autostart);
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spawn_async_no_shell(cmd);
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free(cmd);
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out:
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free(autostart);
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}
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