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/*
** The Net Tamagotchi command interpreter.
** ff, 1997.
*/
/* includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include "tama.h"
extern int s;
/* returns -1 if command is to quit, 0 otherwise */
int exec(char *buf, char *arg, char *pass, char *name)
{
char *ptr;
int diff, knockoff;
/* Check if the tamagotchi exists or not */
if(strcmp(buf, "status")==0 || strcmp(buf, "see")==0 ||
strcmp(buf, "passwd")==0 || strcmp(buf, "chpass")==0 ||
strcmp(buf, "chname")==0 || strcmp(buf, "feed")==0 ||
strcmp(buf, "pet")==0 || strcmp(buf, "play")==0 ||
strcmp(buf, "kill")==0 || strcmp(buf, "rm")==0) {
if(arg[0]==0 || strcmp(arg, name)==0)
ptr = name;
else
ptr = arg;
if(exist(ptr) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
}
if(strcmp(buf, "quit")==0 || strcmp(buf, "exit")==0) return -1;
else if(strcmp(buf, "help")==0 || strcmp(buf, "?")==0) {
put(HELP);
put(HELP_ARG);
}
else if(strcmp(buf, "about")==0 || strcmp(buf, "ver")==0)
put(VER);
else if(strcmp(buf, "status")==0 || strcmp(buf, "see")==0) {
if(arg[0]==0 || strcmp(arg, name)==0)
status(name, 0);
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
/* Process if checking another Tamagotchi */
status(arg, 1);
}
}
else if(strcmp(buf, "passwd")==0 || strcmp(buf, "chpass")==0) {
if(arg[0]==0 || strcmp(arg, name)==0) ptr = name;
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
ptr = arg;
}
put("Enter new password for ");
put(ptr);
put(": ");
get(buf);
if(check(buf)<0) {
put("That password is invalid.\n");
put(STRINGRULE);
return 0;
}
if(setpass(ptr, buf) < 0)
put(NOACCESS);
else put("Password changed.\n");
}
else if(strcmp(buf, "chname")==0) {
if(arg[0]==0 || strcmp(arg, name)==0) ptr = name;
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
ptr = arg;
}
put("Enter new name for ");
put(ptr);
put(": ");
get(buf);
if(check(buf)<0) {
put("That name is invalid.\n");
put(STRINGRULE);
return 0;
}
if(exist(buf)==0) {
put("Sorry, that name is taken.\n");
return 0;
}
if(setname(ptr, buf) < 0)
put(NOACCESS);
else {
put("Changed ");
put(ptr);
put("'s name to ");
put(buf);
put(".\n");
if(arg[0]==0) strncpy(name, buf, MAXNAME);
printf("%s Changed %s's name to '%s'\n", logtime(), ptr, name);
}
}
else if(strcmp(buf, "feed")==0) {
if(arg[0]==0 || strcmp(arg, name)==0) ptr = name;
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
diff=(time(NULL)-gettime(arg))/3600;
if((time(NULL)-getpet(arg))/3600 < LONELYTIME)
diff--;
if((diff-HUNGERTIME)>0) {
knockoff = (diff-HUNGERTIME) / HUNGERPOUND;
if(setweight(arg, getweight(arg)-knockoff)<0) {
put(NOACCESS);
return 0; /* paranoid */
}
}
if(getweight(arg)<1) {
put(DEAD);
del(arg);
return 0;
}
ptr = arg;
}
switch(feed(ptr)) {
case -1: {
put(NOACCESS);
break;
}
case 1: {
put("No, thank you. I'm not hungry.\n");
break;
}
default:
put("Thank you!! Your Tamagotchi loves you! :)\n");
}
}
else if(strcmp(buf, "pet")==0 || strcmp(buf, "play")==0) {
if(arg[0]==0 || strcmp(arg, name)==0) ptr = name;
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
diff=(time(NULL)-gettime(arg))/3600;
if((time(NULL)-getpet(arg))/3600 < LONELYTIME)
diff--;
if((diff-HUNGERTIME)>0) {
knockoff = (diff-HUNGERTIME) / HUNGERPOUND;
if(setweight(arg, getweight(arg)-knockoff)<0) {
put(NOACCESS);
return 0; /* paranoid */
}
}
if(getweight(arg)<1) {
put(DEAD);
del(arg);
return 0;
}
ptr = arg;
}
if(pet(ptr) < 0)
put(NOACCESS);
else put("Your Tamagotchi giggles... it just loves attention! :)\n");
}
else if(strcmp(buf, "kill")==0 || strcmp(buf, "rm")==0) {
if(arg[0]==0 || strcmp(arg, name)==0) ptr = name;
else {
if(exist(arg) < 0) {
put("Sorry, no Tamagotchi by that name exists.\n");
return 0;
}
if(pass == NULL) {
put("Enter password for ");
put(arg);
put(": ");
get(buf);
pass = buf;
}
if(checkpass(arg, pass)<0) {
printf("%s Incorrect password for %s\n", logtime(), arg);
put("Password incorrect.\n");
return 0;
}
ptr = arg;
}
put("Are you sure you want to kill ");
put(ptr);
put("? ");
get(buf);
if(buf[0]!='y' && buf[0]!='Y')
put("Good choice.\n");
else {
put(DEAD);
del(ptr);
}
if(strcmp(arg, name)==0) {
close(s);
exit(0);
}
}
else if(strcmp(buf, "list")==0 || strcmp(buf, "ls")==0 || strcmp(buf, "who")==0)
list();
else if(strcmp(buf, "motd")==0) {
if((diff=open(MOTD, O_RDONLY)) < 0) {
put("Sorry, there is no MOTD today...\n");
return 0;
}
putmotd(diff);
return 0;
}
else put(NOCOMMAND);
return 0;
}
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