5 #include <sys/socket.h>
17 extern server_config config
;
19 extern session_info
*sessionlist
;
20 extern pthread_mutex_t sessionlist_mutex
;
22 #define BUF_SIZE 1 * 1024
25 // return 1 if enter is pressed
26 static int input (char c
, char *str
, int *pos
, int len
, char *out
, int *out_pos
)
37 if (c
== 8 || c
== 127)
39 if (*pos
> 0) *pos
-= 1;
42 if (*out_pos
< len
) *out_pos
+= 1;
44 else if (*pos
< len
- 1)
47 if (*pos
< len
) *pos
+= 1;
50 if (*out_pos
< len
) *out_pos
+= 1;
58 static int recv_input (const session_info
*sess
, char *inp
, int len
)
60 char buf
[BUF_SIZE
], out
[BUF_SIZE
];
68 int n
= recv(sess
->socket
, buf
, BUF_SIZE
, 0);
69 if (n
== -1) return -1;
71 n
= translate_telnet_input(buf
, n
, NULL
);
75 for (i
= 0; i
< n
; i
++)
77 if (input(buf
[i
], inp
, &pos
, len
, out
, &opos
))
85 if (send(sess
->socket
, out
, opos
, 0) == -1) return -1;
91 static int print_and_wait (const session_info
*sess
, const char *msg
)
96 if (send(sess
->socket
, msg
, strlen(msg
) + 1, 0) == -1) return -1;
98 // wait for a keypress
99 int n
= recv(sess
->socket
, buf
, 1, 0);
100 if (n
== -1) return -1;
108 static int register_menu (session_info
*sess
)
110 char data
[REG_INPUTS
][BUF_SIZE
];
112 const char *const prompts
[REG_INPUTS
] =
114 "\r\nUser name (3-16 chars, alphabet and digits only, start with a letter): ",
115 "\r\nPassword (4-16 chars, it is INSECURE, so do not use the same as email): ",
116 "\r\nEmail (optional): "
118 int lengths
[REG_INPUTS
][2] = { {MIN_USER_NAME_LEN
, USER_NAME_LEN
}, {MIN_USER_PASS_LEN
, USER_PASS_LEN
}, {0, USER_EMAIL_LEN
} };
124 while (r
< REG_INPUTS
)
128 if (send(sess
->socket
, prompts
[r
], strlen(prompts
[r
]), 0) == -1) return -1;
130 len
= recv_input(sess
, data
[r
], lengths
[r
][1]);
131 if (len
< 0) return -1;
133 if (len
< lengths
[r
][0])
135 int l
= sprintf(buf
, "\r\nminimum %d symbols, try again: ", lengths
[r
][0]);
136 if (send(sess
->socket
, buf
, l
, 0) == -1) return -1;
144 // try to register using the data
145 id
= add_user(&usr
, data
[0], data
[1], data
[2]);
150 sess
->user_id
= usr
.id
;
151 strcpy (sess
->user_name
, usr
.name
);
153 write_log (LOG_DEBUG
, "registered user %s", usr
.name
);
155 l
= sprintf(buf
, "\r\nRegistration succeded\r\n");
157 if (send(sess
->socket
, buf
, l
, 0) == -1) return -1;
164 l
= sprintf(buf
, "\r\nInvalid name\r\n");
168 l
= sprintf(buf
, "\r\nUser with such name already exists\r\n");
172 write_log (LOG_ERROR
, "user registration failed, error %d", id
);
174 l
= sprintf(buf
, "\r\nRegistration failed\r\n");
177 if (send(sess
->socket
, buf
, l
, 0) == -1) return -1;
180 // wait for a keypress
181 int n
= recv(sess
->socket
, buf
, BUF_SIZE
, 0);
182 if (n
== -1) return -1;
189 static int login_menu (session_info
*sess
)
191 const char login_prompt
[] = "\r\nUser name: ";
192 const char pass_prompt
[] = "\r\nPassword: ";
193 char name
[USER_NAME_LEN
], pass
[USER_PASS_LEN
];
198 if (send(sess
->socket
, login_prompt
, sizeof(login_prompt
) - 1, 0) == -1) return -1;
199 if (recv_input(sess
, name
, USER_NAME_LEN
) < 0) return -1;
201 if (send(sess
->socket
, pass_prompt
, sizeof(pass_prompt
) - 1, 0) == -1) return -1;
202 if (recv_input(sess
, pass
, USER_PASS_LEN
) < 0) return -1;
204 // check user name and password
205 if (check_user_login(&usr
, name
, pass
) < 0)
207 if (print_and_wait(sess
, "\r\nLogin failed\r\n") == -1) return -1;
211 // disallow simultaneous connections
212 if (user_is_connected(usr
.id
))
214 if (print_and_wait(sess
, "\r\nYou are already logged in\r\n") == -1) return -1;
218 sess
->user_id
= usr
.id
;
219 strcpy (sess
->user_name
, usr
.name
);
220 write_log (LOG_DEBUG
, "user %s logs in", usr
.name
);
227 static int passwd_menu (const session_info
*sess
)
229 const char old_prompt
[] = "\r\nOld Password: ";
230 const char new_prompt
[] = "\r\nNew Password: ";
231 char pass
[USER_PASS_LEN
];
236 // ask for old password first
237 if (send(sess
->socket
, old_prompt
, sizeof(old_prompt
) - 1, 0) == -1) return -1;
238 if (recv_input(sess
, pass
, USER_PASS_LEN
) < 0) return -1;
240 // check old password
241 if (check_user_login(&usr
, sess
->user_name
, pass
) < 0)
243 if (print_and_wait(sess
, "\r\nWrong password\r\n") == -1) return -1;
247 // ask for new password
248 if (send(sess
->socket
, new_prompt
, sizeof(new_prompt
) - 1, 0) == -1) return -1;
249 len
= recv_input(sess
, pass
, USER_PASS_LEN
);
250 if (len
< 0) return -1;
252 if (len
< MIN_USER_PASS_LEN
)
254 if (print_and_wait(sess
, "\r\nNew password is too short\r\n") == -1) return -1;
258 if (change_password(sess
->user_id
, pass
) == 0)
260 if (print_and_wait(sess
, "\r\nPassword has been changed\r\n") == -1) return -1;
268 static int observe (session_info
*sess
)
270 uint8_t buf
[BUF_SIZE
];
275 int n
= recv(sess
->socket
, buf
, BUF_SIZE
, 0);
276 if (n
== -1) return -1;
278 if (buf
[0] == 'q') break;
286 static int observer_menu (session_info
*sess
)
288 char header
[] = TELNET_CLS
"\tGame\t\t\t\tUser\t\t Idle\t\tTerminal\r\n";
291 int n
, l
, gn
, count
= 0;
297 if (send(sess
->socket
, header
, sizeof(header
) - 1, 0) == -1) return -1;
299 pthread_mutex_lock (&sessionlist_mutex
);
301 for (s
= sessionlist
; s
!= NULL
; s
= s
->next
)
305 if (s
->game
[0] == 0 || s
->observer_count
== -1) continue;
307 idle
= now
- s
->last_activity
;
309 l
= sprintf(buf
, "%3d\t%s", count
+ 1, s
->game
);
310 for (; l
< 4 * 8; l
++) buf
[l
] = ' ';
312 l
+= sprintf(&buf
[l
], "\t%s", s
->user_name
);
313 for (; l
< 6 * 8; l
++) buf
[l
] = ' ';
315 l
+= sprintf(&buf
[l
], "\t%3dm %02ds\t%dx%d\r\n", idle
/ 60, idle
% 60, s
->term_wid
, s
->term_hgt
);
316 if (send(sess
->socket
, buf
, l
, 0) == -1) return -1;
319 pthread_mutex_unlock (&sessionlist_mutex
);
320 l
= sprintf(buf
, "\r\n%d games total\r\n\r\n"
321 "Input number to observe or anything else to return to the main menu\r\n"
322 "You can press 'q' anytime to stop observing\r\n", count
);
323 if (send(sess
->socket
, buf
, l
, 0) == -1) return -1;
327 n
= recv_input(sess
, inp
, 20);
328 if (n
== -1) return -1;
331 if (gn
> 0 && gn
<= count
)
333 // try to observe the specified game
334 if (add_observer(gn
- 1, sess
->socket
))
336 int r
= observe(sess
);
337 stop_observing (sess
);
338 if (r
== -1) return -1;
347 // if score == 1, display highscore list and exit rather than playing
348 static int play_menu (session_info
*sess
, int score
)
350 const char msg
[] = TELNET_CLS
"Select a game by entering its id\r\n";
351 game_info
*gamelist
, *g
;
357 gamelist
= load_gamelist();
359 if (send(sess
->socket
, msg
, sizeof(msg
), 0) == -1)
361 free_gamelist (gamelist
);
365 for (g
= gamelist
; g
!= NULL
; g
= g
->next
)
367 if (score
&& !g
->cmd_score
[0]) continue;
369 int l
= sprintf(buf
, "%8s: %s\r\n", g
->id
, g
->name
);
371 if (send(sess
->socket
, buf
, l
, 0) == -1)
373 free_gamelist (gamelist
);
380 n
= recv_input(sess
, inp
, 20);
381 if (n
== -1) return -1;
383 // find and run game with such id
384 for (g
= gamelist
; g
!= NULL
; g
= g
->next
)
386 if (score
&& !g
->cmd_score
[0]) continue;
388 if (strcmp(inp
, g
->id
) == 0)
390 // hack for displaying score
393 sess
->observer_count
= -1;
394 strcpy (g
->cmd
, g
->cmd_score
);
398 free_gamelist (gamelist
);
400 if (print_and_wait(sess
, "\r\nYou have left the game\r\n") == -1) return -1;
402 if (sess
->observer_count
== -1) sess
->observer_count
= 0;
408 free_gamelist (gamelist
);
415 static void run_editor (session_info
*sess
, const game_info
*g
, int i
)
422 // prefix with game directory name
423 if (g
->dir
[0]) dirln
= sprintf(name
, "%s/", g
->dir
);
426 // copy file name to bufer
427 strcat (&name
[dirln
], g
->files
[i
].copy
);
429 // set up a a game struct for editor
430 memset (&ed
, 0, sizeof(game_info
));
431 strcpy (ed
.id
, "editor");
432 strcpy (ed
.name
, "editor");
434 snprintf (ed
.cmd
, GAME_COMMAND_LEN
, "%s %s", config
.editor
, name
);
437 sess
->observer_count
= -1;
439 run_game (sess
, &ed
);
441 // enable observing again
442 sess
->observer_count
= 0;
447 static int edit_menu (session_info
*sess
)
449 const char msg
[] = TELNET_CLS
"Select a file to edit by entering its number\r\n";
450 game_info
*gamelist
, *g
;
451 char buf
[BUF_SIZE
], name
[BUF_SIZE
];
456 gamelist
= load_gamelist();
458 if (send(sess
->socket
, msg
, sizeof(msg
), 0) == -1)
460 free_gamelist (gamelist
);
470 for (i
= 0; i
< GAME_FILES
; i
++)
472 if (!g
->files
[i
].file
[0]) break;
473 if (!g
->files
[i
].allow_edit
) continue;
475 // prefix with game directory name, expanding user name
478 str_replace (name
, g
->dir
, "$USER$", sess
->user_name
);
480 dirln
= strlen(name
);
483 // copy file name to bufer, expanding user name
484 str_replace (&name
[dirln
], g
->files
[i
].copy
, "$USER$", sess
->user_name
);
485 // file does not exist
486 if (stat(name
, &st
) != 0) continue;
488 l
= sprintf(buf
, "%3d: [%s] %s\r\n", idx
, g
->name
, name
);
490 if (send(sess
->socket
, buf
, l
, 0) == -1)
492 free_gamelist (gamelist
);
496 // we (ab)use the allow_edit to store index
497 // to find the file when the user enters a number
498 g
->files
[i
].allow_edit
= 0x80000000 | idx
;
508 n
= recv_input(sess
, inp
, 20);
509 if (n
== -1) return -1;
511 n
= 0x80000000 | atoi(inp
);
513 // find and run game with such id
519 for (i
= 0; i
< GAME_FILES
; i
++)
521 if (!g
->files
[i
].file
[0]) break;
522 if (g
->files
[i
].allow_edit
!= n
) continue;
524 run_editor (sess
, g
, i
);
526 free_gamelist (gamelist
);
534 free_gamelist (gamelist
);
541 static int print_main_menu (session_info
*sess
)
544 const char *reg
, *name
, *play
;
547 // XXX this is ugly, clean it up someday
549 if (sess
->user_id
< 0)
551 reg
= "r) Register as a user (needed in order to play)";
552 name
= "player of roguelikes";
553 play
= "l) Log in to play";
557 reg
= "c) Change password";
558 name
= sess
->user_name
;
559 play
= "p) Play\r\n\te) Edit game options files";
562 int l
= snprintf(msg
, BUF_SIZE
, TELNET_CLS
"Welcome to the roguelike server, %s!\r\n"
564 "\to) Observe running games\r\n"
565 "\ts) View high-score lists\r\n"
567 "\tq) Leave\r\n", name
, play
, reg
);
569 if (send(sess
->socket
, msg
, l
, 0) == -1) return -1;
575 int main_menu (session_info
*sess
)
577 if (print_main_menu(sess
) == -1) return -1;
582 int n
= recv(sess
->socket
, buf
, BUF_SIZE
, 0);
583 if (n
== -1) return -1;
585 n
= translate_telnet_input(buf
, n
, sess
);
588 if (buf
[0] == 'p' && sess
->user_id
>= 0)
590 if (play_menu(sess
, 0) == -1) return -1;
591 if (print_main_menu(sess
) == -1) return -1;
596 if (play_menu(sess
, 1) == -1) return -1;
597 if (print_main_menu(sess
) == -1) return -1;
600 if (buf
[0] == 'e' && sess
->user_id
>= 0)
602 if (edit_menu(sess
) == -1) return -1;
603 if (print_main_menu(sess
) == -1) return -1;
606 if (buf
[0] == 'l' && sess
->user_id
< 0)
608 if (login_menu(sess
) == -1) return -1;
609 if (print_main_menu(sess
) == -1) return -1;
612 if (buf
[0] == 'r' && sess
->user_id
< 0)
614 if (register_menu(sess
) == -1) return -1;
615 if (print_main_menu(sess
) == -1) return -1;
618 if (buf
[0] == 'c' && sess
->user_id
>= 0)
620 if (passwd_menu(sess
) == -1) return -1;
621 if (print_main_menu(sess
) == -1) return -1;
626 if (observer_menu(sess
) == -1) return -1;
627 if (print_main_menu(sess
) == -1) return -1;
630 if (buf
[0] == 'q') return 0;