int _su(int argc, char ** argv) {
char * username = NULL;
char * password = NULL;
printf("Login: "******"Password: "******"Successfully logged in as %s\n", username);
} else {
printf("Bad credentials, try again...\n");
}
}
free(username);
free(password);
}
/** Starts a shell, it's a user process, but yes, resides in the kernel's code */
int tty_main (int argc, char ** argv)
{
clear_screen();
char cadena[50];
int status = 0; // 0: logged out; 1: logged in
int val = 0;
int tty_number = 0;
val = 0;
tty_number = atoi(argv[1]) + 1;
char * input;
char * username;
char * password;
printf("Monix v1 - TTY %d\n", tty_number);
printf("Cristian Pereyra - Legajo 51190\n");
printf("Sistemas Operativos - 2011 - ITBA\n");
printf("Dennis Ritchie RIP\n");
int child;
while(1) {
switch (status){
case 1:
printf("user@tty%d:", tty_number);
input = (char *) getConsoleString(1);
process_input(input, tty_number);
if(getuid(NULL) == -1)
{
status = 0;
}
break;
case 0:
child = pcreate("su", 1, NULL);
prun(child);
waitpid(child);
if(getuid(NULL) != -1) {
status = 1;
}
break;
}
}
return 0;
}
