summaryrefslogtreecommitdiff
path: root/src/login/loginlog_sql.c
blob: 8ed6e395a1cd92c59a61dfc2dd90dcc076c3fa00 (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
// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams

#define HERCULES_CORE

#include "loginlog.h"

#include <string.h>
#include <stdlib.h> // exit

#include "../common/cbasetypes.h"
#include "../common/mmo.h"
#include "../common/nullpo.h"
#include "../common/socket.h"
#include "../common/sql.h"
#include "../common/strlib.h"

// global sql settings (in ipban_sql.c)
static char   global_db_hostname[32] = "127.0.0.1";
static uint16 global_db_port = 3306;
static char   global_db_username[32] = "ragnarok";
static char   global_db_password[100] = "ragnarok";
static char   global_db_database[32] = "ragnarok";
static char   global_codepage[32] = "";
// local sql settings
static char   log_db_hostname[32] = "";
static uint16 log_db_port = 0;
static char   log_db_username[32] = "";
static char   log_db_password[100] = "";
static char   log_db_database[32] = "";
static char   log_codepage[32] = "";
static char   log_login_db[256] = "loginlog";

static Sql* sql_handle = NULL;
static bool enabled = false;


// Returns the number of failed login attempts by the ip in the last minutes.
unsigned long loginlog_failedattempts(uint32 ip, unsigned int minutes)
{
	unsigned long failures = 0;

	if( !enabled )
		return 0;

	if( SQL_ERROR == SQL->Query(sql_handle, "SELECT count(*) FROM `%s` WHERE `ip` = '%s' AND `rcode` = '1' AND `time` > NOW() - INTERVAL %d MINUTE",
		log_login_db, ip2str(ip,NULL), minutes) )// how many times failed account? in one ip.
		Sql_ShowDebug(sql_handle);

	if( SQL_SUCCESS == SQL->NextRow(sql_handle) )
	{
		char* data;
		SQL->GetData(sql_handle, 0, &data, NULL);
		failures = strtoul(data, NULL, 10);
		SQL->FreeResult(sql_handle);
	}
	return failures;
}


/*=============================================
 * Records an event in the login log
 *---------------------------------------------*/
void login_log(uint32 ip, const char* username, int rcode, const char* message)
{
	char esc_username[NAME_LENGTH*2+1];
	char esc_message[255*2+1];
	int retcode;

	nullpo_retv(username);
	nullpo_retv(message);
	if( !enabled )
		return;

	SQL->EscapeStringLen(sql_handle, esc_username, username, strnlen(username, NAME_LENGTH));
	SQL->EscapeStringLen(sql_handle, esc_message, message, strnlen(message, 255));

	retcode = SQL->Query(sql_handle,
		"INSERT INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%s', '%s', '%d', '%s')",
		log_login_db, ip2str(ip,NULL), esc_username, rcode, esc_message);

	if( retcode != SQL_SUCCESS )
		Sql_ShowDebug(sql_handle);
}

bool loginlog_init(void)
{
	const char* username;
	const char* password;
	const char* hostname;
	uint16      port;
	const char* database;
	const char* codepage;

	if( log_db_hostname[0] != '\0' )
	{// local settings
		username = log_db_username;
		password = log_db_password;
		hostname = log_db_hostname;
		port     = log_db_port;
		database = log_db_database;
		codepage = log_codepage;
	}
	else
	{// global settings
		username = global_db_username;
		password = global_db_password;
		hostname = global_db_hostname;
		port     = global_db_port;
		database = global_db_database;
		codepage = global_codepage;
	}

	sql_handle = SQL->Malloc();

	if( SQL_ERROR == SQL->Connect(sql_handle, username, password, hostname, port, database) )
	{
		Sql_ShowDebug(sql_handle);
		SQL->Free(sql_handle);
		exit(EXIT_FAILURE);
	}

	if( codepage[0] != '\0' && SQL_ERROR == SQL->SetEncoding(sql_handle, codepage) )
		Sql_ShowDebug(sql_handle);

	enabled = true;

	return true;
}

bool loginlog_final(void)
{
	SQL->Free(sql_handle);
	sql_handle = NULL;
	return true;
}

bool loginlog_config_read(const char* key, const char* value)
{
	const char* signature;

	nullpo_ret(key);
	nullpo_ret(value);
	signature = "sql.";
	if( strncmpi(key, signature, strlen(signature)) == 0 )
	{
		key += strlen(signature);
		if( strcmpi(key, "db_hostname") == 0 )
			safestrncpy(global_db_hostname, value, sizeof(global_db_hostname));
		else
		if( strcmpi(key, "db_port") == 0 )
			global_db_port = (uint16)strtoul(value, NULL, 10);
		else
		if( strcmpi(key, "db_username") == 0 )
			safestrncpy(global_db_username, value, sizeof(global_db_username));
		else
		if( strcmpi(key, "db_password") == 0 )
			safestrncpy(global_db_password, value, sizeof(global_db_password));
		else
		if( strcmpi(key, "db_database") == 0 )
			safestrncpy(global_db_database, value, sizeof(global_db_database));
		else
		if( strcmpi(key, "codepage") == 0 )
			safestrncpy(global_codepage, value, sizeof(global_codepage));
		else
			return false;// not found
		return true;
	}

	if( strcmpi(key, "log_db_ip") == 0 )
		safestrncpy(log_db_hostname, value, sizeof(log_db_hostname));
	else
	if( strcmpi(key, "log_db_port") == 0 )
		log_db_port = (uint16)strtoul(value, NULL, 10);
	else
	if( strcmpi(key, "log_db_id") == 0 )
		safestrncpy(log_db_username, value, sizeof(log_db_username));
	else
	if( strcmpi(key, "log_db_pw") == 0 )
		safestrncpy(log_db_password, value, sizeof(log_db_password));
	else
	if( strcmpi(key, "log_db_db") == 0 )
		safestrncpy(log_db_database, value, sizeof(log_db_database));
	else
	if( strcmpi(key, "log_codepage") == 0 )
		safestrncpy(log_codepage, value, sizeof(log_codepage));
	else
	if( strcmpi(key, "log_login_db") == 0 )
		safestrncpy(log_login_db, value, sizeof(log_login_db));
	else
		return false;

	return true;
}