67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#include "mdm.h"
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int is_launch_x = 1;
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gid_t gid;
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uid_t uid;
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char* run;
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int main(int argc, char** argv) {
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int i, st;
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char* backup = NULL;
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for(i = 1; i < argc; i++) {
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if(argv[i][0] == '-') {
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if(strcmp(argv[i], "-X") == 0 || strcmp(argv[i], "--no-launch-x") == 0) {
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is_launch_x = 0;
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} else {
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fprintf(stderr, "%s: bad option: %s\n", argv[0], argv[i]);
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return 1;
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}
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}
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}
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if(getuid() != 0) {
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fprintf(stderr, "MDM has to be ran as root\n");
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return 1;
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}
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if(access(CONFDIR "/mdm", F_OK) != 0) mkdir(CONFDIR "/mdm", 0755);
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if(access(CONFDIR "/mdm/mdmrc", F_OK) != 0) MDEFileCopy(DATADIR "/examples/mdm/mdmrc", CONFDIR "/mdm/mdmrc");
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parse_config();
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if(getenv("DISPLAY") != NULL) backup = MDEStringDuplicate(getenv("DISPLAY"));
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do {
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pid_t pid;
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setenv("DISPLAY", backup == NULL ? "" : backup, 1);
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if(is_launch_x && (st = launch_x()) != 0) return st;
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if((st = init_x()) != 0) return st;
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login_window();
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if(run == NULL) continue;
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if((pid = fork()) == 0) {
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struct passwd* pwd = getpwuid(uid);
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setgid(gid);
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setuid(uid);
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chdir(pwd->pw_dir);
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setenv("USER", pwd->pw_name, 1);
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setenv("SHELL", pwd->pw_shell, 1);
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setenv("HOME", pwd->pw_dir, 1);
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_exit(system(run));
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} else {
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waitpid(pid, NULL, 0);
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}
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if(is_launch_x) {
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kill_x();
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}
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} while(is_launch_x);
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if(backup != NULL) free(backup);
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}
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