-
Notifications
You must be signed in to change notification settings - Fork 20
/
DatabaseIO.cpp
460 lines (375 loc) · 12.2 KB
/
DatabaseIO.cpp
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
#include "StdAfx.h"
#include "Database2.h"
#include "DatabaseIO.h"
#include "SHA512.h"
DWORD64 g_RandomAdminPassword = 0; // this is used for the admin login
CDatabaseIO::CDatabaseIO()
{
blob_query_buffer = new BYTE[BLOB_QUERY_BUFFER_LENGTH];
}
CDatabaseIO::~CDatabaseIO()
{
SafeDeleteArray (blob_query_buffer);
}
bool CDatabaseIO::VerifyAccount(const char *username, const char *password, AccountInformation_t *pAccountInfo, int *pError)
{
*pError = DBIO_ERROR_NONE;
std::string usernameEscaped = g_pDB2->EscapeString(username);
std::string passwordSalt;
if (g_pDB2->Query("SELECT password_salt FROM accounts WHERE username='%s' LIMIT 1", usernameEscaped.c_str()))
{
CSQLResult *pResult = g_pDB2->GetResult();
if (pResult)
{
SQLResultRow_t ResultRow = pResult->FetchRow();
if (ResultRow)
{
passwordSalt = ResultRow[0];
delete pResult;
}
else
{
delete pResult;
*pError = VERIFYACCOUNT_ERROR_DOESNT_EXIST;
return false;
}
}
else
{
*pError = VERIFYACCOUNT_ERROR_QUERY_FAILED;
return false;
}
}
else
{
*pError = VERIFYACCOUNT_ERROR_QUERY_FAILED;
return false;
}
bool bIsAdmin = false;
if (!_stricmp(username, "admin"))
{
if (!strcmp(password, csprintf("%I64u", g_RandomAdminPassword)))
{
bIsAdmin = true;
//*pError = VERIFYACCOUNT_ERROR_BAD_LOGIN;
//return false;
}
//bIsAdmin = true;
}
std::string saltedPassword = std::string(password) + passwordSalt;
std::string hashedSaltedPassword = SHA512(saltedPassword.c_str(), saltedPassword.length()).substr(0, 64);
if (g_pDB2->Query("SELECT id, username, date_created, access FROM accounts WHERE (username!='admin' AND username='%s' AND password='%s') OR (username='admin' AND %d) LIMIT 1", usernameEscaped.c_str(), hashedSaltedPassword.c_str(), bIsAdmin))
{
CSQLResult *pResult = g_pDB2->GetResult();
if (pResult)
{
SQLResultRow_t ResultRow = pResult->FetchRow();
if (ResultRow)
{
pAccountInfo->id = CSQLResult::SafeUInt(ResultRow[0]);
pAccountInfo->username = CSQLResult::SafeString(ResultRow[1]);
pAccountInfo->dateCreated = CSQLResult::SafeUInt(ResultRow[2]);
pAccountInfo->access = CSQLResult::SafeUInt(ResultRow[3]);
delete pResult;
}
else
{
delete pResult;
*pError = VERIFYACCOUNT_ERROR_BAD_LOGIN;
return false;
}
}
else
{
*pError = VERIFYACCOUNT_ERROR_QUERY_FAILED;
return false;
}
}
else
{
*pError = VERIFYACCOUNT_ERROR_QUERY_FAILED;
return false;
}
return true;
}
bool CDatabaseIO::CreateAccount(const char *username, const char *password, int *pError, const char *ipaddress)
{
unsigned int usernameLength = (unsigned int)strlen(username);
if (usernameLength < MIN_USERNAME_LENGTH || usernameLength > MAX_USERNAME_LENGTH)
{
*pError = CREATEACCOUNT_ERROR_BAD_USERNAME;
return false;
}
// Check if username is valid characters.
for (char &c : std::string(username))
{
if (c >= 'a' && c <= 'z')
continue;
if (c >= 'A' && c <= 'Z')
continue;
if (c >= '0' && c <= '9')
continue;
if (c == '_')
continue;
if (c == '-')
continue;
*pError = CREATEACCOUNT_ERROR_BAD_USERNAME;
return false;
}
unsigned int passwordLength = (unsigned int)strlen(password);
if (passwordLength < MIN_PASSWORD_LENGTH || passwordLength > MAX_PASSWORD_LENGTH)
{
*pError = CREATEACCOUNT_ERROR_BAD_PASSWORD;
return false;
}
*pError = DBIO_ERROR_NONE;
std::string usernameEscaped = g_pDB2->EscapeString(username);
std::string ipaddressEscaped = g_pDB2->EscapeString(ipaddress);
// Create random salt
DWORD randomValue = Random::GenUInt(0, 100000);
std::string passwordSalt = SHA512(&randomValue, sizeof(randomValue)).substr(0, 16);
// Apply salt
std::string saltedPassword = password + passwordSalt;
std::string hashedSaltedPassword = SHA512(saltedPassword.c_str(), saltedPassword.length()).substr(0, 64);
uint64_t accountID = 0;
if (g_pDB2->Query("INSERT INTO accounts (username, password, password_salt, date_created, access, created_ip_address) VALUES ('%s', '%s', '%s', UNIX_TIMESTAMP(), 1, '%s')", usernameEscaped.c_str(), hashedSaltedPassword.c_str(), passwordSalt.c_str(), ipaddressEscaped.c_str()))
{
accountID = g_pDB2->GetInsertID();
if (!accountID)
{
*pError = CREATEACCOUNT_ERROR_QUERY_FAILED;
return false;
}
}
else
{
*pError = CREATEACCOUNT_ERROR_QUERY_FAILED;
return false;
}
return true;
}
std::list<CharacterDesc_t> CDatabaseIO::GetCharacterList(unsigned int account_id)
{
std::list<CharacterDesc_t> results;
if (g_pDB2->Query("SELECT account_id, weenie_id, name, date_created, instance_ts FROM characters WHERE account_id = %u", account_id))
{
CSQLResult *pQueryResult = g_pDB2->GetResult();
if (pQueryResult)
{
while (SQLResultRow_t Row = pQueryResult->FetchRow())
{
CharacterDesc_t entry;
entry.account_id = strtoul(Row[0], NULL, 10);
entry.weenie_id = strtoul(Row[1], NULL, 10);
entry.name = Row[2];
entry.date_created = strtoul(Row[3], NULL, 10);
entry.instance_ts = (WORD)strtoul(Row[4], NULL, 10);
results.push_back(entry);
}
delete pQueryResult;
}
}
return results;
}
bool CDatabaseIO::CreateCharacter(unsigned int account_id, unsigned int weenie_id, const char *name)
{
return g_pDB2->Query("INSERT INTO characters (account_id, weenie_id, name, date_created, instance_ts) VALUES (%u, %u, '%s', UNIX_TIMESTAMP(), 1)",
account_id, weenie_id, g_pDB2->EscapeString(name).c_str());
}
bool CDatabaseIO::DeleteCharacter(unsigned int weenie_id)
{
return g_pDB2->Query("DELETE FROM characters WHERE weenie_id = %u", weenie_id);
}
bool CDatabaseIO::SetCharacterInstanceTS(unsigned int weenie_id, unsigned int instance_ts)
{
return g_pDB2->Query("UPDATE characters SET instance_ts = %u WHERE weenie_id = %u", instance_ts, weenie_id);
}
unsigned int CDatabaseIO::GetHighestWeenieID(unsigned int min_range, unsigned int max_range)
{
unsigned int result = min_range;
if (g_pDB2->Query(csprintf("SELECT id FROM weenies WHERE id >= %u AND id < %u ORDER BY id DESC LIMIT 1", min_range, max_range)))
{
CSQLResult *pQueryResult = g_pDB2->GetResult();
if (pQueryResult)
{
if (SQLResultRow_t Row = pQueryResult->FetchRow())
result = strtoul(Row[0], NULL, 10);
delete pQueryResult;
return result;
}
}
LOG(Database, Error, "Could not get highest weenie ID for range 0x%08X - 0x%08X, returning 0x%08X.\n", min_range, max_range, min_range);
return result;
}
bool CDatabaseIO::IsCharacterNameOpen(const char *name)
{
bool bIsOpen = false;
if (g_pDB2->Query("SELECT weenie_id FROM characters WHERE name='%s'", g_pDB2->EscapeString(name).c_str()))
{
CSQLResult *pQueryResult = g_pDB2->GetResult();
if (pQueryResult)
{
bIsOpen = (pQueryResult->ResultRows() == 0);
delete pQueryResult;
}
}
return bIsOpen;
}
/*
bool CDatabaseIO::CreateOrUpdateWeenie(unsigned int weenie_id, unsigned int top_level_object_id, unsigned int block_id, void *data, unsigned int data_length)
{
// synchronous, deprecated
return CreateOrUpdateWeenie((MYSQL *)g_pDB2->GetInternalConnection(), weenie_id, top_level_object_id, block_id, data, data_length);
}
*/
bool CDatabaseIO::CreateOrUpdateWeenie(unsigned int weenie_id, unsigned int top_level_object_id, unsigned int block_id, void *data, unsigned int data_length)
{
IncrementPendingSave(weenie_id);
g_pDB2->QueueAsyncQuery(new CMYSQLSaveWeenieQuery(weenie_id, top_level_object_id, block_id, data, data_length));
return true;
}
bool CDatabaseIO::GetWeenie(unsigned int weenie_id, unsigned int *top_level_object_id, unsigned int *block_id, void **data, unsigned long *data_length)
{
// this is so bad...
while (GetNumPendingSaves(weenie_id))
Sleep(0);
MYSQL *sql = (MYSQL *)g_pDB2->GetInternalConnection();
if (!sql)
return false;
MYSQL_STMT *statement = mysql_stmt_init(sql);
const char *query_string = csprintf("SELECT top_level_object_id, block_id, data FROM weenies WHERE id = %u", weenie_id);
mysql_stmt_prepare(statement, query_string, (unsigned long) strlen(query_string));
MYSQL_BIND binding[3];
memset(binding, 0, sizeof(binding));
binding[0].buffer = top_level_object_id;
binding[0].buffer_length = sizeof(unsigned int);
binding[0].buffer_type = MYSQL_TYPE_LONG;
binding[0].is_unsigned = true;
binding[1].buffer = block_id;
binding[1].buffer_length = sizeof(unsigned int);
binding[1].buffer_type = MYSQL_TYPE_LONG;
binding[1].is_unsigned = true;
binding[2].buffer = blob_query_buffer;
binding[2].buffer_length = BLOB_QUERY_BUFFER_LENGTH;
binding[2].buffer_type = MYSQL_TYPE_BLOB;
binding[2].length = data_length;
mysql_stmt_bind_result(statement, binding);
if (mysql_stmt_execute(statement) || mysql_stmt_store_result(statement))
{
LOG(Database, Error, "Error on GetWeenie: %s\n", mysql_error(sql));
mysql_stmt_close(statement);
return false;
}
if (mysql_stmt_fetch(statement))
{
LOG(Database, Warning, "GetWeenie failed because weenie 0x%08X doesn't exist!\n%s\n", weenie_id, query_string);
mysql_stmt_free_result(statement);
mysql_stmt_close(statement);
return false;
}
*data = blob_query_buffer;
mysql_stmt_free_result(statement);
mysql_stmt_close(statement);
return true;
}
bool CDatabaseIO::DeleteWeenie(unsigned int weenie_id)
{
return g_pDB2->Query("DELETE FROM weenies WHERE id = %u OR top_level_object_id = %u", weenie_id, weenie_id);
}
bool CDatabaseIO::CreateOrUpdateGlobalData(DBIOGlobalDataID id, void *data, unsigned long data_length)
{
MYSQL *sql = (MYSQL *)g_pDB2->GetInternalConnection();
if (!sql)
return false;
MYSQL_STMT *statement = mysql_stmt_init(sql);
const char *query_string = csprintf("REPLACE INTO globals (id, data) VALUES (%u, ?)", id);
mysql_stmt_prepare(statement, query_string, (unsigned long)strlen(query_string));
MYSQL_BIND data_param;
memset(&data_param, 0, sizeof(data_param));
data_param.buffer = data;
data_param.buffer_length = data_length;
data_param.buffer_type = MYSQL_TYPE_BLOB;
mysql_stmt_bind_param(statement, &data_param);
bool bErrored = false;
if (mysql_stmt_execute(statement))
{
LOG(Database, Error, "Error on CreateOrUpdateGlobalData for 0x%08X: %s\n", id, mysql_error(sql));
bErrored = true;
}
mysql_stmt_close(statement);
return !bErrored;
}
bool CDatabaseIO::GetGlobalData(DBIOGlobalDataID id, void **data, unsigned long *data_length)
{
MYSQL *sql = (MYSQL *)g_pDB2->GetInternalConnection();
if (!sql)
return false;
MYSQL_STMT *statement = mysql_stmt_init(sql);
const char *query_string = csprintf("SELECT data FROM globals WHERE id = %u", id);
mysql_stmt_prepare(statement, query_string, (unsigned long)strlen(query_string));
MYSQL_BIND binding[1];
memset(binding, 0, sizeof(binding));
binding[0].buffer = blob_query_buffer;
binding[0].buffer_length = BLOB_QUERY_BUFFER_LENGTH;
binding[0].buffer_type = MYSQL_TYPE_BLOB;
binding[0].length = data_length;
mysql_stmt_bind_result(statement, binding);
if (mysql_stmt_execute(statement) || mysql_stmt_store_result(statement))
{
LOG(Database, Error, "Error on GetGlobalData: %s\n", mysql_error(sql));
mysql_stmt_close(statement);
return false;
}
if (mysql_stmt_fetch(statement))
{
LOG(Database, Verbose, "GetGlobalData failed because id 0x%08X doesn't exist!\n%s\n", id, query_string);
mysql_stmt_free_result(statement);
mysql_stmt_close(statement);
return false;
}
*data = blob_query_buffer;
mysql_stmt_free_result(statement);
mysql_stmt_close(statement);
return true;
}
// CLockable _pendingSavesLock;
// std::unordered_map<DWORD, DWORD> _pendingSaves;
void CDatabaseIO::IncrementPendingSave(DWORD weenie_id)
{
_pendingSavesLock.Lock();
std::unordered_map<DWORD, DWORD>::iterator i = _pendingSaves.find(weenie_id);
if (i != _pendingSaves.end())
{
i->second++;
}
else
{
_pendingSaves.insert(std::pair<DWORD, DWORD>(weenie_id, 1));
}
_pendingSavesLock.Unlock();
}
void CDatabaseIO::DecrementPendingSave(DWORD weenie_id)
{
_pendingSavesLock.Lock();
std::unordered_map<DWORD, DWORD>::iterator i = _pendingSaves.find(weenie_id);
if (i != _pendingSaves.end())
{
if (i->second <= 1)
_pendingSaves.erase(i);
else
i->second--;
}
_pendingSavesLock.Unlock();
}
DWORD CDatabaseIO::GetNumPendingSaves(DWORD weenie_id)
{
_pendingSavesLock.Lock();
std::unordered_map<DWORD, DWORD>::iterator i = _pendingSaves.find(weenie_id);
DWORD numSaves = 0;
if (i != _pendingSaves.end())
{
numSaves = i->second;
}
_pendingSavesLock.Unlock();
return numSaves;
}