94 lines
1.8 KiB
C
94 lines
1.8 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*
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* Graphical Session Manager
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <syscall.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/wait.h>
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#define LINE_LEN 1024
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void set_username() {
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FILE * passwd = fopen("/etc/passwd", "r");
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char line[LINE_LEN];
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int uid = getuid();
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while (fgets(line, LINE_LEN, passwd) != NULL) {
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line[strlen(line)-1] = '\0';
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char *p, *tokens[10], *last;
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int i = 0;
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for ((p = strtok_r(line, ":", &last)); p;
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(p = strtok_r(NULL, ":", &last)), i++) {
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if (i < 511) tokens[i] = p;
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}
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tokens[i] = NULL;
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if (atoi(tokens[2]) == uid) {
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setenv("USER", tokens[0], 1);
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setenv("WM_THEME", tokens[7], 1);
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}
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}
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fclose(passwd);
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}
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void set_homedir() {
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char * user = getenv("USER");
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if (user) {
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char path[512];
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sprintf(path,"/home/%s", user);
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setenv("HOME",path,1);
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chdir(path);
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} else {
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setenv("HOME","/",1);
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}
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}
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void set_path() {
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setenv("PATH", "/bin", 0);
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}
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int main(int argc, char * argv[]) {
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/* Starts a graphical session and then spins waiting for a kill (logout) signal */
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/* Load some session variables */
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set_username();
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set_homedir();
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set_path();
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int _wallpaper_pid = fork();
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if (!_wallpaper_pid) {
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char * args[] = {"/bin/wallpaper", NULL};
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execvp(args[0], args);
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}
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int _panel_pid = fork();
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if (!_panel_pid) {
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char * args[] = {"/bin/panel", NULL};
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execvp(args[0], args);
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}
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int _toastd_pid = fork();
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if (!_toastd_pid) {
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char * args[] = {"/bin/toastd", NULL};
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execvp(args[0], args);
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}
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wait(NULL);
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int pid;
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do {
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pid = waitpid(-1, NULL, 0);
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} while ((pid > 0) || (pid == -1 && errno == EINTR));
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return 0;
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}
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