Programming

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>

#define PSW_PATH "/home/abuzaid/Script/CSiSop/modul3/wajib/pkey"
#define LOG_PATH "/home/abuzaid/Script/CSiSop/modul3/wajib/log"
#define TIME_PATH "/home/abuzaid/Script/CSiSop/modul3/wajib/time"
#define SCRIPT_PATH "/home/abuzaid/Script/CSiSop/modul3/wajib/lockscript.sh"
#define PASS_PATH "/home/abuzaid/Script/CSiSop/modul3/wajib/checkpass.sh"
#define PASSWORD "well"

void check_file(char argv[10]) {
	FILE *idleTime;
    FILE *myLog;
	char time[10];
	if((idleTime = fopen(TIME_PATH, "r")) == NULL)
		exit(EXIT_FAILURE);
	if((fscanf(idleTime, "%s", time)) == -1) {
		if((myLog = fopen(LOG_PATH, "a")) == NULL)
			exit(EXIT_FAILURE);
		fprintf(myLog, "Error reading!\n");
		fclose(myLog);
	}
	fclose(idleTime);
	if((myLog = fopen(LOG_PATH, "a")) == NULL)
		exit(EXIT_FAILURE);
	fprintf(myLog, "%s vs %s\n", time, argv);
	fclose(myLog);
	
	if((strcmp(time, argv)) == 0) { //THIS PART IS GONNA USED TO LOCK THE CONSOLE
		if((myLog = fopen(LOG_PATH, "a")) == NULL)
			exit(EXIT_FAILURE);
		fprintf(myLog, "DO IT NOW\n"); 
		fclose(myLog);
	}
	printf("\ntes");
}

void daemonTask(char argv[10]) {
	FILE *myLog;
	while(1) {
	
		int status;
		int rV = 0;
		pid_t pid;
		pid = fork();
		switch(pid) {
			case -1:
				if((myLog = fopen(LOG_PATH, "a")) == NULL)
					exit(EXIT_FAILURE);
				fprintf(myLog, "MasyaAllah gagal membuat proses untuk exec\n");
				fclose(myLog);
				exit(EXIT_FAILURE);
				break;
			case 0:
				rV = execl(SCRIPT_PATH, SCRIPT_PATH, 0, (char *) 0);
				if(rV == -1) {
					if((myLog = fopen(LOG_PATH, "a")) == NULL)
						exit(EXIT_FAILURE);
					fprintf(myLog, "MasyaAllah anak gagal melakukan exec\n");
					fclose(myLog);
				}
				_exit(1);
				break;
			default:
				wait(&status);
				kill(pid, SIGKILL);
		}	
		
		check_file(argv);
		
		sleep (10);
	}
}

int main(int argc, char *argv[]) {
	FILE *myLog;
	pid_t pid,
		  sid;
	char *time = argv[1];
	
	pid = fork();
	if(pid < 0) {
		exit(EXIT_FAILURE);		
	}
	if(pid > 0) {
		exit(EXIT_SUCCESS);	
	}
	umask(0);

	sid = setsid();
	if(sid < 0) {
		if((myLog = fopen(LOG_PATH, "w")) == NULL)
				exit(EXIT_FAILURE);
		fprintf(myLog, "MasyaAllah SID gagal didapatkan.\n");
		fclose(myLog);
		exit(EXIT_FAILURE);	
	}
	else {
		if((myLog = fopen(LOG_PATH, "w")) == NULL)
				exit(EXIT_FAILURE);
		fprintf(myLog, "Alhamdulillah daemon mulai dengan SID %d.\n", sid);
		fclose(myLog);
	}

	
	if((chdir("/")) < 0) {
		if((myLog = fopen(LOG_PATH, "w")) == NULL)
				exit(EXIT_FAILURE);
		fprintf(myLog, "MasyaAllah gagal pindahkan working directory.\n");
		fclose(myLog);	
		exit(EXIT_FAILURE);
	}
	

	daemonTask(time);
	
	exit(EXIT_SUCCESS);
}