summaryrefslogtreecommitdiff
path: root/src/login/account_txt.c
blob: 23231d810526af3319d3a2828507a3ccd857fa54 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#include "../common/db.h"
#include "../common/lock.h"
#include "../common/malloc.h"
#include "../common/mmo.h"
#include "../common/showmsg.h"
#include "../common/strlib.h"
#include "../common/timer.h"
#include "account.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/// global defines
#define ACCOUNT_TXT_DB_VERSION 20080409
#define AUTHS_BEFORE_SAVE 10 // flush every 10 saves
#define AUTH_SAVING_INTERVAL 60000 // flush every 10 minutes

/// internal structure
typedef struct AccountDB_TXT
{
	AccountDB vtable;      // public interface

	DBMap* accounts;       // in-memory accounts storage
	int next_account_id;   // auto_increment
	int auths_before_save; // prevents writing to disk too often
	int save_timer;        // save timer id

	char account_db[1024]; // account data storage file
	bool case_sensitive;   // how to look up usernames

} AccountDB_TXT;

/// internal structure
typedef struct AccountDBIterator_TXT
{
	AccountDBIterator vtable;      // public interface

	DBIterator* iter;
} AccountDBIterator_TXT;

/// internal functions
static bool account_db_txt_init(AccountDB* self);
static void account_db_txt_destroy(AccountDB* self);
static bool account_db_txt_get_property(AccountDB* self, const char* key, char* buf, size_t buflen);
static bool account_db_txt_set_property(AccountDB* self, const char* option, const char* value);
static bool account_db_txt_create(AccountDB* self, struct mmo_account* acc);
static bool account_db_txt_remove(AccountDB* self, const int account_id);
static bool account_db_txt_save(AccountDB* self, const struct mmo_account* acc);
static bool account_db_txt_load_num(AccountDB* self, struct mmo_account* acc, const int account_id);
static bool account_db_txt_load_str(AccountDB* self, struct mmo_account* acc, const char* userid);
static AccountDBIterator* account_db_txt_iterator(AccountDB* self);
static void account_db_txt_iter_destroy(AccountDBIterator* self);
static bool account_db_txt_iter_next(AccountDBIterator* self, struct mmo_account* acc);

static bool mmo_auth_fromstr(struct mmo_account* acc, char* str, unsigned int version);
static bool mmo_auth_tostr(const struct mmo_account* acc, char* str);
static void mmo_auth_sync(AccountDB_TXT* self);
static int mmo_auth_sync_timer(int tid, unsigned int tick, int id, intptr data);

/// public constructor
AccountDB* account_db_txt(void)
{
	AccountDB_TXT* db = (AccountDB_TXT*)aCalloc(1, sizeof(AccountDB_TXT));

	// set up the vtable
	db->vtable.init         = &account_db_txt_init;
	db->vtable.destroy      = &account_db_txt_destroy;
	db->vtable.get_property = &account_db_txt_get_property;
	db->vtable.set_property = &account_db_txt_set_property;
	db->vtable.save         = &account_db_txt_save;
	db->vtable.create       = &account_db_txt_create;
	db->vtable.remove       = &account_db_txt_remove;
	db->vtable.load_num     = &account_db_txt_load_num;
	db->vtable.load_str     = &account_db_txt_load_str;
	db->vtable.iterator     = &account_db_txt_iterator;

	// initialize to default values
	db->accounts = NULL;
	db->next_account_id = START_ACCOUNT_NUM;
	db->auths_before_save = AUTHS_BEFORE_SAVE;
	db->save_timer = INVALID_TIMER;
	safestrncpy(db->account_db, "save/account.txt", sizeof(db->account_db));
	db->case_sensitive = false;

	return &db->vtable;
}


/* ------------------------------------------------------------------------- */


/// opens accounts file, loads it, and starts a periodic saving timer
static bool account_db_txt_init(AccountDB* self)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts;
	FILE* fp;
	char line[2048];
	unsigned int version = 0;

	// create accounts database
	db->accounts = idb_alloc(DB_OPT_RELEASE_DATA);
	accounts = db->accounts;

	// open data file
	fp = fopen(db->account_db, "r");
	if( fp == NULL )
	{
		// no account file -> no account -> no login, including char-server (ERROR)
		ShowError(CL_RED"account_db_txt_init: Accounts file [%s] not found."CL_RESET"\n", db->account_db);
		return false;
	}

	// load data file
	while( fgets(line, sizeof(line), fp) != NULL )
	{
		int account_id, n;
		unsigned int v;
		struct mmo_account acc;
		struct mmo_account* tmp;
		struct DBIterator* iter;
		int (*compare)(const char* str1, const char* str2) = ( db->case_sensitive ) ? strcmp : stricmp;

		if( line[0] == '/' && line[1] == '/' )
			continue;

		if( sscanf(line, "%d%n", &v, &n) == 1 && (line[n] == '\n' || line[n] == '\r') )
		{// format version definition
			version = v;
			continue;
		}

		if( sscanf(line, "%d\t%%newid%%%n", &account_id, &n) == 1 && (line[n] == '\n' || line[n] == '\r') )
		{// auto-increment
			if( account_id > db->next_account_id )
				db->next_account_id = account_id;
			continue;
		}

		if( !mmo_auth_fromstr(&acc, line, version) )
		{
			ShowError("account_db_txt_init: skipping invalid data: %s", line);
			continue;
		}

		// apply constraints & checks here
		if( acc.sex != 'S' && (acc.account_id < START_ACCOUNT_NUM || acc.account_id > END_ACCOUNT_NUM) )
			ShowWarning("account_db_txt_init: account %d:'%s' has ID outside of the defined range for accounts (min:%d max:%d)!\n", acc.account_id, acc.userid, START_ACCOUNT_NUM, END_ACCOUNT_NUM);

		iter = accounts->iterator(accounts);
		for( tmp = (struct mmo_account*)iter->first(iter,NULL); iter->exists(iter); tmp = (struct mmo_account*)iter->next(iter,NULL) )
			if( compare(acc.userid, tmp->userid) == 0 )
					break;
		iter->destroy(iter);

		if( tmp != NULL )
		{// entry with identical username
			ShowWarning("account_db_txt_init: account %d:'%s' has same username as account %d. The account will be inaccessible!\n", acc.account_id, acc.userid, tmp->account_id);
		}

		if( idb_get(accounts, acc.account_id) != NULL )
		{// account id already occupied
			ShowError("account_db_txt_init: ID collision for account id %d! Discarding data for account '%s'...\n", acc.account_id, acc.userid);
			continue;
		}

		// record entry in db
		tmp = (struct mmo_account*)aMalloc(sizeof(struct mmo_account));
		memcpy(tmp, &acc, sizeof(struct mmo_account));
		idb_put(accounts, acc.account_id, tmp);

		if( db->next_account_id < acc.account_id)
			db->next_account_id = acc.account_id + 1;
	}

	// close data file
	fclose(fp);

	// initialize data saving timer
	add_timer_func_list(mmo_auth_sync_timer, "mmo_auth_sync_timer");
	db->save_timer = add_timer_interval(gettick() + AUTH_SAVING_INTERVAL, mmo_auth_sync_timer, 0, (int)db, AUTH_SAVING_INTERVAL);

	return true;
}

/// flush accounts db, close savefile and deallocate structures
static void account_db_txt_destroy(AccountDB* self)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;

	// stop saving timer
	delete_timer(db->save_timer, mmo_auth_sync_timer);

	// write data
	mmo_auth_sync(db);

	// delete accounts database
	accounts->destroy(accounts, NULL);
	db->accounts = NULL;

	// delete entire structure
	aFree(db);
}

/// Gets a property from this database.
static bool account_db_txt_get_property(AccountDB* self, const char* key, char* buf, size_t buflen)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	const char* signature = "account.txt.";

	if( strcmp(key, "engine.name") == 0 )
	{
		safesnprintf(buf, buflen, "txt");
		return true;
	}
	if( strcmp(key, "engine.version") == 0 )
	{
		safesnprintf(buf, buflen, "%d", ACCOUNT_TXT_DB_VERSION);
		return true;
	}
	if( strcmp(key, "engine.comment") == 0 )
	{
		safesnprintf(buf, buflen, "TXT Account Database %d", ACCOUNT_TXT_DB_VERSION);
		return true;
	}

	if( strncmp(key, signature, strlen(signature)) != 0 )
		return false;

	key += strlen(signature);

	if( strcmpi(key, "account_db") == 0 )
		safesnprintf(buf, buflen, "%s", db->account_db);
	else if( strcmpi(key, "case_sensitive") == 0 )
		safesnprintf(buf, buflen, "%d", (db->case_sensitive ? 1 : 0));
	else
		return false;// not found

	return true;
}

/// Sets a property in this database.
static bool account_db_txt_set_property(AccountDB* self, const char* key, const char* value)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	const char* signature = "account.txt.";

	if( strncmp(key, signature, strlen(signature)) != 0 )
		return false;

	key += strlen(signature);

	if( strcmpi(key, "account_db") == 0 )
		safestrncpy(db->account_db, value, sizeof(db->account_db));
	else if( strcmpi(key, "case_sensitive") == 0 )
		db->case_sensitive = config_switch(value);
	else // no match
		return false;

	return true;
}

/// Add a new entry for this account to the account db and save it.
/// If acc->account_id is -1, the account id will be auto-generated,
/// and its value will be written to acc->account_id if everything succeeds.
static bool account_db_txt_create(AccountDB* self, struct mmo_account* acc)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;
	struct mmo_account* tmp;

	// decide on the account id to assign
	int account_id = ( acc->account_id != -1 ) ? acc->account_id : db->next_account_id;

	// absolute maximum
	if( account_id > END_ACCOUNT_NUM )
		return false;

	// check if the account_id is free
	tmp = idb_get(accounts, account_id);
	if( tmp != NULL )
	{// error condition - entry already present
		ShowError("account_db_txt_create: cannot create account %d:'%s', this id is already occupied by %d:'%s'!\n", account_id, acc->userid, account_id, tmp->userid);
		return false;
	}

	// copy the data and store it in the db
	CREATE(tmp, struct mmo_account, 1);
	memcpy(tmp, acc, sizeof(struct mmo_account));
	tmp->account_id = account_id;
	idb_put(accounts, account_id, tmp);

	// increment the auto_increment value
	if( account_id >= db->next_account_id )
		db->next_account_id = account_id + 1;

	// flush data
	mmo_auth_sync(db);

	// write output
	acc->account_id = account_id;

	return true;
}

/// find an existing entry for this account id and delete it
static bool account_db_txt_remove(AccountDB* self, const int account_id)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;

	//TODO: find out if this really works
	struct mmo_account* tmp = idb_remove(accounts, account_id);
	if( tmp == NULL )
	{// error condition - entry not present
		ShowError("account_db_txt_remove: no such account with id %d\n", account_id);
		return false;
	}

	// flush data
	mmo_auth_sync(db);

	return true;
}

/// rewrite the data stored in the account_db with the one provided
static bool account_db_txt_save(AccountDB* self, const struct mmo_account* acc)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;
	int account_id = acc->account_id;

	// retrieve previous data
	struct mmo_acount* tmp = idb_get(accounts, account_id);
	if( tmp == NULL )
	{// error condition - entry not found
		return false;
	}
	
	// overwrite with new data
	memcpy(tmp, acc, sizeof(struct mmo_account));

	// modify save counter and save if needed
	if( --db->auths_before_save == 0 )
		mmo_auth_sync(db);

	return true;
}

/// retrieve data from db and store it in the provided data structure
static bool account_db_txt_load_num(AccountDB* self, struct mmo_account* acc, const int account_id)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;

	// retrieve data
	struct mmo_account* tmp = idb_get(accounts, account_id);
	if( tmp == NULL )
	{// entry not found
		return false;
	}

	// store it
	memcpy(acc, tmp, sizeof(struct mmo_account));

	return true;
}

/// retrieve data from db and store it in the provided data structure
static bool account_db_txt_load_str(AccountDB* self, struct mmo_account* acc, const char* userid)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;

	// retrieve data
	struct DBIterator* iter = accounts->iterator(accounts);
	struct mmo_account* tmp;
	int (*compare)(const char* str1, const char* str2) = ( db->case_sensitive ) ? strcmp : stricmp;

	for( tmp = (struct mmo_account*)iter->first(iter,NULL); iter->exists(iter); tmp = (struct mmo_account*)iter->next(iter,NULL) )
		if( compare(userid, tmp->userid) == 0 )
			break;
	iter->destroy(iter);

	if( tmp == NULL )
	{// entry not found
		return false;
	}

	// store it
	memcpy(acc, tmp, sizeof(struct mmo_account));

	return true;
}


/// Returns a new forward iterator.
static AccountDBIterator* account_db_txt_iterator(AccountDB* self)
{
	AccountDB_TXT* db = (AccountDB_TXT*)self;
	DBMap* accounts = db->accounts;
	AccountDBIterator_TXT* iter = (AccountDBIterator_TXT*)aCalloc(1, sizeof(AccountDBIterator_TXT));

	// set up the vtable
	iter->vtable.destroy = &account_db_txt_iter_destroy;
	iter->vtable.next    = &account_db_txt_iter_next;

	// fill data
	iter->iter = db_iterator(accounts);

	return &iter->vtable;
}


/// Destroys this iterator, releasing all allocated memory (including itself).
static void account_db_txt_iter_destroy(AccountDBIterator* self)
{
	AccountDBIterator_TXT* iter = (AccountDBIterator_TXT*)self;
	dbi_destroy(iter->iter);
	aFree(iter);
}


/// Fetches the next account in the database.
static bool account_db_txt_iter_next(AccountDBIterator* self, struct mmo_account* acc)
{
	AccountDBIterator_TXT* iter = (AccountDBIterator_TXT*)self;
	struct mmo_account* tmp = (struct mmo_account*)dbi_next(iter->iter);
	if( dbi_exists(iter->iter) )
	{
		memcpy(acc, tmp, sizeof(struct mmo_account));
		return true;
	}
	return false;
}


/// parse input string into the provided account data structure
static bool mmo_auth_fromstr(struct mmo_account* a, char* str, unsigned int version)
{
	char* fields[32];
	int count;
	char* regs;
	int i, n;

	// zero out the destination first
	memset(a, 0x00, sizeof(struct mmo_account));

	// extract tab-separated columns from line
	count = sv_split(str, strlen(str), 0, '\t', fields, ARRAYLENGTH(fields), (e_svopt)(SV_TERMINATE_LF|SV_TERMINATE_CRLF));

	if( version == ACCOUNT_TXT_DB_VERSION && count == 13 )
	{
		a->account_id = strtol(fields[1], NULL, 10);
		safestrncpy(a->userid, fields[2], sizeof(a->userid));
		safestrncpy(a->pass, fields[3], sizeof(a->pass));
		a->sex = fields[4][0];
		safestrncpy(a->email, fields[5], sizeof(a->email));
		a->level = strtoul(fields[6], NULL, 10);
		a->state = strtoul(fields[7], NULL, 10);
		a->unban_time = strtol(fields[8], NULL, 10);
		a->expiration_time = strtol(fields[9], NULL, 10);
		a->logincount = strtoul(fields[10], NULL, 10);
		safestrncpy(a->lastlogin, fields[11], sizeof(a->lastlogin));
		safestrncpy(a->last_ip, fields[12], sizeof(a->last_ip));
		regs = fields[13];
	}
	else
	if( version == 0 && count == 14 )
	{
		a->account_id = strtol(fields[1], NULL, 10);
		safestrncpy(a->userid, fields[2], sizeof(a->userid));
		safestrncpy(a->pass, fields[3], sizeof(a->pass));
		safestrncpy(a->lastlogin, fields[4], sizeof(a->lastlogin));
		a->sex = fields[5][0];
		a->logincount = strtoul(fields[6], NULL, 10);
		a->state = strtoul(fields[7], NULL, 10);
		safestrncpy(a->email, fields[8], sizeof(a->email));
		//safestrncpy(a->error_message, fields[9], sizeof(a->error_message));
		a->expiration_time = strtol(fields[10], NULL, 10);
		safestrncpy(a->last_ip, fields[11], sizeof(a->last_ip));
		//safestrncpy(a->memo, fields[12], sizeof(a->memo));
		a->unban_time = strtol(fields[13], NULL, 10);
		regs = fields[14];
	}
	else
	if( version == 0 && count == 13 )
	{
		a->account_id = strtol(fields[1], NULL, 10);
		safestrncpy(a->userid, fields[2], sizeof(a->userid));
		safestrncpy(a->pass, fields[3], sizeof(a->pass));
		safestrncpy(a->lastlogin, fields[4], sizeof(a->lastlogin));
		a->sex = fields[5][0];
		a->logincount = strtoul(fields[6], NULL, 10);
		a->state = strtoul(fields[7], NULL, 10);
		safestrncpy(a->email, fields[8], sizeof(a->email));
		//safestrncpy(a->error_message, fields[9], sizeof(a->error_message));
		a->expiration_time = strtol(fields[10], NULL, 10);
		safestrncpy(a->last_ip, fields[11], sizeof(a->last_ip));
		//safestrncpy(a->memo, fields[12], sizeof(a->memo));
		regs = fields[13];
	}
	else
	if( version == 0 && count == 8 )
	{
		a->account_id = strtol(fields[1], NULL, 10);
		safestrncpy(a->userid, fields[2], sizeof(a->userid));
		safestrncpy(a->pass, fields[3], sizeof(a->pass));
		safestrncpy(a->lastlogin, fields[4], sizeof(a->lastlogin));
		a->sex = fields[5][0];
		a->logincount = strtoul(fields[6], NULL, 10);
		a->state = strtoul(fields[7], NULL, 10);
		regs = fields[8];
	}
	else
	{// unmatched row
		return false;
	}

	// extract account regs
	// {reg name<COMMA>reg value<SPACE>}*
	n = 0;
	for( i = 0; i < ACCOUNT_REG2_NUM; ++i )
	{
		char key[32];
		char value[256];
	
		regs += n;

		if (sscanf(regs, "%31[^\t,],%255[^\t ] %n", key, value, &n) != 2)
		{
			// We must check if a str is void. If it's, we can continue to read other REG2.
			// Account line will have something like: str2,9 ,9 str3,1 (here, ,9 is not good)
			if (regs[0] == ',' && sscanf(regs, ",%[^\t ] %n", value, &n) == 1) { 
				i--;
				continue;
			} else
				break;
		}
		
		safestrncpy(a->account_reg2[i].str, key, 32);
		safestrncpy(a->account_reg2[i].value, value, 256);
	}
	a->account_reg2_num = i;

	return true;
}

/// dump the contents of the account data structure into the provided string buffer
static bool mmo_auth_tostr(const struct mmo_account* a, char* str)
{
	int i;
	char* str_p = str;

	str_p += sprintf(str_p, "%d\t%s\t%s\t%c\t%s\t%u\t%u\t%ld\t%ld\t%u\t%s\t%s\t",
	                 a->account_id, a->userid, a->pass, a->sex, a->email, a->level,
	                 a->state, (long)a->unban_time, (long)a->expiration_time,
	                 a->logincount, a->lastlogin, a->last_ip);

	for( i = 0; i < a->account_reg2_num; ++i )
		if( a->account_reg2[i].str[0] )
			str_p += sprintf(str_p, "%s,%s ", a->account_reg2[i].str, a->account_reg2[i].value);

	return true;
}

/// dump the entire account db to disk
static void mmo_auth_sync(AccountDB_TXT* db)
{
	int lock;
	FILE *fp;
	struct DBIterator* iter;
	struct mmo_account* acc;

	fp = lock_fopen(db->account_db, &lock);
	if( fp == NULL )
	{
		return;
	}

	fprintf(fp, "%d\n", ACCOUNT_TXT_DB_VERSION); // savefile version

	fprintf(fp, "// Accounts file: here are saved all information about the accounts.\n");
	fprintf(fp, "// Structure: account ID, username, password, sex, email, level, state, unban time, expiration time, # of logins, last login time, last (accepted) login ip, repeated(register key, register value)\n");
	fprintf(fp, "// where:\n");
	fprintf(fp, "//   sex             : M or F for normal accounts, S for server accounts\n");
	fprintf(fp, "//   level           : this account's gm level\n");
	fprintf(fp, "//   state           : 0: account is ok, 1 to 256: error code of packet 0x006a + 1\n");
	fprintf(fp, "//   unban time      : 0: no ban, <other value>: banned until the date (unix timestamp)\n");
	fprintf(fp, "//   expiration time : 0: unlimited account, <other value>: account expires on the date (unix timestamp)\n");

	//TODO: sort?

	iter = db->accounts->iterator(db->accounts);
	for( acc = (struct mmo_account*)iter->first(iter,NULL); iter->exists(iter); acc = (struct mmo_account*)iter->next(iter,NULL) )
	{
		char buf[2048]; // ought to be big enough ^^
		mmo_auth_tostr(acc, buf);
		fprintf(fp, "%s\n", buf);
	}
	fprintf(fp, "%d\t%%newid%%\n", db->next_account_id);
	iter->destroy(iter);

	lock_fclose(fp, db->account_db, &lock);

	// reset save counter
	db->auths_before_save = AUTHS_BEFORE_SAVE;
}

static int mmo_auth_sync_timer(int tid, unsigned int tick, int id, intptr data)
{
	AccountDB_TXT* db = (AccountDB_TXT*)data;

	if( db->auths_before_save < AUTHS_BEFORE_SAVE )
		mmo_auth_sync(db); // db was modified, flush it

	return 0;
}