labwc/src/config/session.c
2021-09-24 21:45:48 +01:00

114 lines
2.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
#define _POSIX_C_SOURCE 200809L
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <wlr/util/log.h>
#include "common/dir.h"
#include "common/spawn.h"
#include "common/string-helpers.h"
static bool
isfile(const char *path)
{
struct stat st;
return (!stat(path, &st));
}
static bool
string_empty(const char *s)
{
return !s || !*s;
}
static void
process_line(char *line)
{
if (string_empty(line) || line[0] == '#') {
return;
}
char *key = NULL, *value = NULL;
char *p = strchr(line, '=');
if (!p) {
return;
}
*p = '\0';
key = string_strip(line);
value = string_strip(++p);
if (string_empty(key) || string_empty(value)) {
return;
}
setenv(key, value, 1);
}
void
read_environment_file(const char *filename)
{
char *line = NULL;
size_t len = 0;
FILE *stream = fopen(filename, "r");
if (!stream) {
return;
}
wlr_log(WLR_INFO, "read environment file %s", filename);
while (getline(&line, &len, stream) != -1) {
char *p = strrchr(line, '\n');
if (p) {
*p = '\0';
}
process_line(line);
}
free(line);
fclose(stream);
}
static const char *
config_dir_append(const char *append)
{
const char *config = config_dir();
if (string_empty(config) || string_empty(append)) {
return NULL;
}
int len = strlen(config) + strlen(append) + 2;
char *buffer = calloc(len, 1);
strcat(buffer, config);
strcat(buffer, "/");
strcat(buffer, append);
return buffer;
}
void
session_environment_init(void)
{
const char *environment = config_dir_append("environment");
if (!environment) {
return;
}
read_environment_file(environment);
free((void*)environment);
}
void
session_autostart_init(void)
{
const char *autostart = config_dir_append("autostart");
if (!autostart) {
return;
}
if (!isfile(autostart)) {
wlr_log(WLR_ERROR, "no autostart file");
goto out;
}
wlr_log(WLR_INFO, "run autostart file %s", autostart);
int len = strlen(autostart) + 4;
char *cmd = calloc(len, 1);
strcat(cmd, "sh ");
strcat(cmd, autostart);
spawn_async_no_shell(cmd);
free(cmd);
out:
free((void*)autostart);
}