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swoole_mysql.c
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2015 The Swoole Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#include "swoole_mysql.h"
// see mysqlnd 'L64' macro redefined
#undef L64
#include "ext/hash/php_hash.h"
#include "ext/hash/php_hash_sha.h"
#include "ext/standard/php_math.h"
#ifdef SW_MYSQL_RSA_SUPPORT
#include <openssl/rsa.h>
#include <openssl/pem.h>
#endif
static PHP_METHOD(swoole_mysql, __construct);
static PHP_METHOD(swoole_mysql, __destruct);
static PHP_METHOD(swoole_mysql, connect);
#ifdef SW_USE_MYSQLND
static PHP_METHOD(swoole_mysql, escape);
#endif
static PHP_METHOD(swoole_mysql, query);
static PHP_METHOD(swoole_mysql, begin);
static PHP_METHOD(swoole_mysql, commit);
static PHP_METHOD(swoole_mysql, rollback);
static PHP_METHOD(swoole_mysql, getState);
static PHP_METHOD(swoole_mysql, close);
static PHP_METHOD(swoole_mysql, on);
static zend_class_entry swoole_mysql_ce;
static zend_class_entry *swoole_mysql_ce_ptr;
static zend_object_handlers swoole_mysql_handlers;
static zend_class_entry swoole_mysql_exception_ce;
static zend_class_entry *swoole_mysql_exception_ce_ptr;
static zend_object_handlers swoole_mysql_exception_handlers;
#define UTF8_MB4 "utf8mb4"
#define UTF8_MB3 "utf8"
#define DATETIME_MAX_SIZE 20
typedef struct _mysql_charset
{
unsigned int nr;
const char *name;
const char *collation;
} mysql_charset;
typedef struct _mysql_big_data_info {
// for used:
ulong_t len; // data length
ulong_t remaining_size; // max remaining size that can be read
uint32_t currrent_packet_remaining_size; // remaining size of current packet
char *read_p; // where to start reading data
// for result:
uint32_t ext_header_len; // extra packet header length
uint32_t ext_packet_len; // extra packet length (body only)
} mysql_big_data_info;
static const mysql_charset swoole_mysql_charsets[] =
{
{ 1, "big5", "big5_chinese_ci" },
{ 3, "dec8", "dec8_swedish_ci" },
{ 4, "cp850", "cp850_general_ci" },
{ 6, "hp8", "hp8_english_ci" },
{ 7, "koi8r", "koi8r_general_ci" },
{ 8, "latin1", "latin1_swedish_ci" },
{ 5, "latin1", "latin1_german1_ci" },
{ 9, "latin2", "latin2_general_ci" },
{ 2, "latin2", "latin2_czech_cs" },
{ 10, "swe7", "swe7_swedish_ci" },
{ 11, "ascii", "ascii_general_ci" },
{ 12, "ujis", "ujis_japanese_ci" },
{ 13, "sjis", "sjis_japanese_ci" },
{ 16, "hebrew", "hebrew_general_ci" },
{ 17, "filename", "filename" },
{ 18, "tis620", "tis620_thai_ci" },
{ 19, "euckr", "euckr_korean_ci" },
{ 21, "latin2", "latin2_hungarian_ci" },
{ 27, "latin2", "latin2_croatian_ci" },
{ 22, "koi8u", "koi8u_general_ci" },
{ 24, "gb2312", "gb2312_chinese_ci" },
{ 25, "greek", "greek_general_ci" },
{ 26, "cp1250", "cp1250_general_ci" },
{ 28, "gbk", "gbk_chinese_ci" },
{ 30, "latin5", "latin5_turkish_ci" },
{ 31, "latin1", "latin1_german2_ci" },
{ 15, "latin1", "latin1_danish_ci" },
{ 32, "armscii8", "armscii8_general_ci" },
{ 33, UTF8_MB3, UTF8_MB3"_general_ci" },
{ 35, "ucs2", "ucs2_general_ci" },
{ 36, "cp866", "cp866_general_ci" },
{ 37, "keybcs2", "keybcs2_general_ci" },
{ 38, "macce", "macce_general_ci" },
{ 39, "macroman", "macroman_general_ci" },
{ 40, "cp852", "cp852_general_ci" },
{ 41, "latin7", "latin7_general_ci" },
{ 20, "latin7", "latin7_estonian_cs" },
{ 57, "cp1256", "cp1256_general_ci" },
{ 59, "cp1257", "cp1257_general_ci" },
{ 63, "binary", "binary" },
{ 97, "eucjpms", "eucjpms_japanese_ci" },
{ 29, "cp1257", "cp1257_lithuanian_ci" },
{ 31, "latin1", "latin1_german2_ci" },
{ 34, "cp1250", "cp1250_czech_cs" },
{ 42, "latin7", "latin7_general_cs" },
{ 43, "macce", "macce_bin" },
{ 44, "cp1250", "cp1250_croatian_ci" },
{ 45, UTF8_MB4, UTF8_MB4"_general_ci" },
{ 46, UTF8_MB4, UTF8_MB4"_bin" },
{ 47, "latin1", "latin1_bin" },
{ 48, "latin1", "latin1_general_ci" },
{ 49, "latin1", "latin1_general_cs" },
{ 51, "cp1251", "cp1251_general_ci" },
{ 14, "cp1251", "cp1251_bulgarian_ci" },
{ 23, "cp1251", "cp1251_ukrainian_ci" },
{ 50, "cp1251", "cp1251_bin" },
{ 52, "cp1251", "cp1251_general_cs" },
{ 53, "macroman", "macroman_bin" },
{ 54, "utf16", "utf16_general_ci" },
{ 55, "utf16", "utf16_bin" },
{ 56, "utf16le", "utf16le_general_ci" },
{ 58, "cp1257", "cp1257_bin" },
{ 60, "utf32", "utf32_general_ci" },
{ 61, "utf32", "utf32_bin" },
{ 62, "utf16le", "utf16le_bin" },
{ 64, "armscii8", "armscii8_bin" },
{ 65, "ascii", "ascii_bin" },
{ 66, "cp1250", "cp1250_bin" },
{ 67, "cp1256", "cp1256_bin" },
{ 68, "cp866", "cp866_bin" },
{ 69, "dec8", "dec8_bin" },
{ 70, "greek", "greek_bin" },
{ 71, "hebrew", "hebrew_bin" },
{ 72, "hp8", "hp8_bin" },
{ 73, "keybcs2", "keybcs2_bin" },
{ 74, "koi8r", "koi8r_bin" },
{ 75, "koi8u", "koi8u_bin" },
{ 77, "latin2", "latin2_bin" },
{ 78, "latin5", "latin5_bin" },
{ 79, "latin7", "latin7_bin" },
{ 80, "cp850", "cp850_bin" },
{ 81, "cp852", "cp852_bin" },
{ 82, "swe7", "swe7_bin" },
{ 83, UTF8_MB3, UTF8_MB3"_bin" },
{ 84, "big5", "big5_bin" },
{ 85, "euckr", "euckr_bin" },
{ 86, "gb2312", "gb2312_bin" },
{ 87, "gbk", "gbk_bin" },
{ 88, "sjis", "sjis_bin" },
{ 89, "tis620", "tis620_bin" },
{ 90, "ucs2", "ucs2_bin" },
{ 91, "ujis", "ujis_bin" },
{ 92, "geostd8", "geostd8_general_ci" },
{ 93, "geostd8", "geostd8_bin" },
{ 94, "latin1", "latin1_spanish_ci" },
{ 95, "cp932", "cp932_japanese_ci" },
{ 96, "cp932", "cp932_bin" },
{ 97, "eucjpms", "eucjpms_japanese_ci" },
{ 98, "eucjpms", "eucjpms_bin" },
{ 99, "cp1250", "cp1250_polish_ci" },
{ 128, "ucs2", "ucs2_unicode_ci" },
{ 129, "ucs2", "ucs2_icelandic_ci" },
{ 130, "ucs2", "ucs2_latvian_ci" },
{ 131, "ucs2", "ucs2_romanian_ci" },
{ 132, "ucs2", "ucs2_slovenian_ci" },
{ 133, "ucs2", "ucs2_polish_ci" },
{ 134, "ucs2", "ucs2_estonian_ci" },
{ 135, "ucs2", "ucs2_spanish_ci" },
{ 136, "ucs2", "ucs2_swedish_ci" },
{ 137, "ucs2", "ucs2_turkish_ci" },
{ 138, "ucs2", "ucs2_czech_ci" },
{ 139, "ucs2", "ucs2_danish_ci" },
{ 140, "ucs2", "ucs2_lithuanian_ci" },
{ 141, "ucs2", "ucs2_slovak_ci" },
{ 142, "ucs2", "ucs2_spanish2_ci" },
{ 143, "ucs2", "ucs2_roman_ci" },
{ 144, "ucs2", "ucs2_persian_ci" },
{ 145, "ucs2", "ucs2_esperanto_ci" },
{ 146, "ucs2", "ucs2_hungarian_ci" },
{ 147, "ucs2", "ucs2_sinhala_ci" },
{ 148, "ucs2", "ucs2_german2_ci" },
{ 149, "ucs2", "ucs2_croatian_ci" },
{ 150, "ucs2", "ucs2_unicode_520_ci" },
{ 151, "ucs2", "ucs2_vietnamese_ci" },
{ 160, "utf32", "utf32_unicode_ci" },
{ 161, "utf32", "utf32_icelandic_ci" },
{ 162, "utf32", "utf32_latvian_ci" },
{ 163, "utf32", "utf32_romanian_ci" },
{ 164, "utf32", "utf32_slovenian_ci" },
{ 165, "utf32", "utf32_polish_ci" },
{ 166, "utf32", "utf32_estonian_ci" },
{ 167, "utf32", "utf32_spanish_ci" },
{ 168, "utf32", "utf32_swedish_ci" },
{ 169, "utf32", "utf32_turkish_ci" },
{ 170, "utf32", "utf32_czech_ci" },
{ 171, "utf32", "utf32_danish_ci" },
{ 172, "utf32", "utf32_lithuanian_ci" },
{ 173, "utf32", "utf32_slovak_ci" },
{ 174, "utf32", "utf32_spanish2_ci" },
{ 175, "utf32", "utf32_roman_ci" },
{ 176, "utf32", "utf32_persian_ci" },
{ 177, "utf32", "utf32_esperanto_ci" },
{ 178, "utf32", "utf32_hungarian_ci" },
{ 179, "utf32", "utf32_sinhala_ci" },
{ 180, "utf32", "utf32_german2_ci" },
{ 181, "utf32", "utf32_croatian_ci" },
{ 182, "utf32", "utf32_unicode_520_ci" },
{ 183, "utf32", "utf32_vietnamese_ci" },
{ 192, UTF8_MB3, UTF8_MB3"_unicode_ci" },
{ 193, UTF8_MB3, UTF8_MB3"_icelandic_ci" },
{ 194, UTF8_MB3, UTF8_MB3"_latvian_ci" },
{ 195, UTF8_MB3, UTF8_MB3"_romanian_ci" },
{ 196, UTF8_MB3, UTF8_MB3"_slovenian_ci" },
{ 197, UTF8_MB3, UTF8_MB3"_polish_ci" },
{ 198, UTF8_MB3, UTF8_MB3"_estonian_ci" },
{ 199, UTF8_MB3, UTF8_MB3"_spanish_ci" },
{ 200, UTF8_MB3, UTF8_MB3"_swedish_ci" },
{ 201, UTF8_MB3, UTF8_MB3"_turkish_ci" },
{ 202, UTF8_MB3, UTF8_MB3"_czech_ci" },
{ 203, UTF8_MB3, UTF8_MB3"_danish_ci" },
{ 204, UTF8_MB3, UTF8_MB3"_lithuanian_ci" },
{ 205, UTF8_MB3, UTF8_MB3"_slovak_ci" },
{ 206, UTF8_MB3, UTF8_MB3"_spanish2_ci" },
{ 207, UTF8_MB3, UTF8_MB3"_roman_ci" },
{ 208, UTF8_MB3, UTF8_MB3"_persian_ci" },
{ 209, UTF8_MB3, UTF8_MB3"_esperanto_ci" },
{ 210, UTF8_MB3, UTF8_MB3"_hungarian_ci" },
{ 211, UTF8_MB3, UTF8_MB3"_sinhala_ci" },
{ 212, UTF8_MB3, UTF8_MB3"_german2_ci" },
{ 213, UTF8_MB3, UTF8_MB3"_croatian_ci" },
{ 214, UTF8_MB3, UTF8_MB3"_unicode_520_ci" },
{ 215, UTF8_MB3, UTF8_MB3"_vietnamese_ci" },
{ 224, UTF8_MB4, UTF8_MB4"_unicode_ci" },
{ 225, UTF8_MB4, UTF8_MB4"_icelandic_ci" },
{ 226, UTF8_MB4, UTF8_MB4"_latvian_ci" },
{ 227, UTF8_MB4, UTF8_MB4"_romanian_ci" },
{ 228, UTF8_MB4, UTF8_MB4"_slovenian_ci" },
{ 229, UTF8_MB4, UTF8_MB4"_polish_ci" },
{ 230, UTF8_MB4, UTF8_MB4"_estonian_ci" },
{ 231, UTF8_MB4, UTF8_MB4"_spanish_ci" },
{ 232, UTF8_MB4, UTF8_MB4"_swedish_ci" },
{ 233, UTF8_MB4, UTF8_MB4"_turkish_ci" },
{ 234, UTF8_MB4, UTF8_MB4"_czech_ci" },
{ 235, UTF8_MB4, UTF8_MB4"_danish_ci" },
{ 236, UTF8_MB4, UTF8_MB4"_lithuanian_ci" },
{ 237, UTF8_MB4, UTF8_MB4"_slovak_ci" },
{ 238, UTF8_MB4, UTF8_MB4"_spanish2_ci" },
{ 239, UTF8_MB4, UTF8_MB4"_roman_ci" },
{ 240, UTF8_MB4, UTF8_MB4"_persian_ci" },
{ 241, UTF8_MB4, UTF8_MB4"_esperanto_ci" },
{ 242, UTF8_MB4, UTF8_MB4"_hungarian_ci" },
{ 243, UTF8_MB4, UTF8_MB4"_sinhala_ci" },
{ 244, UTF8_MB4, UTF8_MB4"_german2_ci" },
{ 245, UTF8_MB4, UTF8_MB4"_croatian_ci" },
{ 246, UTF8_MB4, UTF8_MB4"_unicode_520_ci" },
{ 247, UTF8_MB4, UTF8_MB4"_vietnamese_ci" },
{ 248, "gb18030", "gb18030_chinese_ci" },
{ 249, "gb18030", "gb18030_bin" },
{ 254, UTF8_MB3, UTF8_MB3"_general_cs" },
{ 0, NULL, NULL},
};
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_on, 0, 0, 2)
ZEND_ARG_INFO(0, event_name)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_connect, 0, 0, 2)
ZEND_ARG_ARRAY_INFO(0, server_config, 0)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_begin, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_commit, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_rollback, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
#ifdef SW_USE_MYSQLND
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_escape, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_query, 0, 0, 2)
ZEND_ARG_INFO(0, sql)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
static const zend_function_entry swoole_mysql_methods[] =
{
PHP_ME(swoole_mysql, __construct, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, __destruct, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, connect, arginfo_swoole_mysql_connect, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, begin, arginfo_swoole_mysql_begin, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, commit, arginfo_swoole_mysql_commit, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, rollback, arginfo_swoole_mysql_rollback, ZEND_ACC_PUBLIC)
#ifdef SW_USE_MYSQLND
PHP_ME(swoole_mysql, escape, arginfo_swoole_mysql_escape, ZEND_ACC_PUBLIC)
#endif
PHP_ME(swoole_mysql, query, arginfo_swoole_mysql_query, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, close, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, getState, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, on, arginfo_swoole_mysql_on, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static void mysql_client_free(mysql_client *client, zval* zobject);
static void mysql_columns_free(mysql_client *client);
static void mysql_client_free(mysql_client *client, zval* zobject)
{
if (client->cli->timer)
{
swTimer_del(&SwooleG.timer, client->cli->timer);
client->cli->timer = NULL;
}
//close the connection
client->cli->close(client->cli);
//release client object memory
swClient_free(client->cli);
efree(client->cli);
client->cli = NULL;
client->connected = 0;
}
static void mysql_columns_free(mysql_client *client)
{
if (client->response.columns)
{
int i;
for (i = 0; i < client->response.num_column; i++)
{
if (client->response.columns[i].buffer)
{
efree(client->response.columns[i].buffer);
client->response.columns[i].buffer = NULL;
}
}
efree(client->response.columns);
client->response.columns = NULL;
}
}
static void swoole_mysql_onTimeout(swTimer *timer, swTimer_node *tnode);
static int swoole_mysql_onRead(swReactor *reactor, swEvent *event);
static int swoole_mysql_onWrite(swReactor *reactor, swEvent *event);
static int swoole_mysql_onError(swReactor *reactor, swEvent *event);
static void swoole_mysql_onConnect(mysql_client *client);
void swoole_mysql_init(int module_number)
{
SWOOLE_INIT_CLASS_ENTRY(swoole_mysql, "Swoole\\MySQL", "swoole_mysql", NULL, swoole_mysql_methods);
SWOOLE_SET_CLASS_SERIALIZABLE(swoole_mysql, zend_class_serialize_deny, zend_class_unserialize_deny);
SWOOLE_SET_CLASS_CLONEABLE(swoole_mysql, zend_class_clone_deny);
SWOOLE_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_mysql, zend_class_unset_property_deny);
SWOOLE_INIT_CLASS_ENTRY_EX(swoole_mysql_exception, "Swoole\\MySQL\\Exception", "swoole_mysql_exception", NULL, NULL, swoole_exception);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("serverInfo"), ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_mysql_ce_ptr, ZEND_STRL("sock"), -1, ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_mysql_ce_ptr, ZEND_STRL("connected"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_mysql_ce_ptr, ZEND_STRL("errno"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_mysql_ce_ptr, ZEND_STRL("connect_errno"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("error"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("connect_error"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("insert_id"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("affected_rows"), ZEND_ACC_PUBLIC);
/** event callback */
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("onConnect"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_mysql_ce_ptr, ZEND_STRL("onClose"), ZEND_ACC_PUBLIC);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_QUERY"), SW_MYSQL_STATE_QUERY);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_READ_START"), SW_MYSQL_STATE_READ_START);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_READ_FIELD "), SW_MYSQL_STATE_READ_FIELD);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_READ_ROW"), SW_MYSQL_STATE_READ_ROW);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_READ_END"), SW_MYSQL_STATE_READ_END);
zend_declare_class_constant_long(swoole_mysql_ce_ptr, ZEND_STRL("STATE_CLOSED"), SW_MYSQL_STATE_CLOSED);
}
int mysql_request_pack(swString *sql, swString *buffer)
{
swString_clear(buffer);
bzero(buffer->str, 5);
//length
mysql_pack_length(sql->length + 1, buffer->str);
//command
buffer->str[4] = SW_MYSQL_COM_QUERY;
buffer->length = 5;
return swString_append(buffer, sql);
}
int mysql_prepare_pack(swString *sql, swString *buffer)
{
swString_clear(buffer);
bzero(buffer->str, 5);
//length
mysql_pack_length(sql->length + 1, buffer->str);
//command
buffer->str[4] = SW_MYSQL_COM_STMT_PREPARE;
buffer->length = 5;
return swString_append(buffer, sql);
}
int mysql_get_charset(char *name)
{
const mysql_charset *c = swoole_mysql_charsets;
while (c[0].nr != 0)
{
if (!strcasecmp(c->name, name))
{
return c->nr;
}
++c;
}
return -1;
}
int mysql_get_result(mysql_connector *connector, char *buf, int len)
{
char *tmp = buf;
uint32_t packet_length = mysql_uint3korr(tmp);
if (len < SW_MYSQL_PACKET_HEADER_SIZE + packet_length)
{
return 0;
}
//int packet_number = tmp[3];
tmp += SW_MYSQL_PACKET_HEADER_SIZE;
uint8_t opcode = *tmp;
tmp += 1;
//ERROR Packet
if (opcode == SW_MYSQL_PACKET_ERR)
{
swMysqlPacketDump(tmp - 5, SW_MYSQL_PACKET_HEADER_SIZE + packet_length, "Handshake ERR_Packet");
connector->error_code = *(uint16_t *) tmp;
connector->error_msg = tmp + 2;
connector->error_length = packet_length - 3;
return -1;
}
else
{
swMysqlPacketDump(tmp - 5, SW_MYSQL_PACKET_HEADER_SIZE + packet_length, "Handshake OK_Packet");
return 1;
}
}
static void php_swoole_sha256(const char *str, int _len, unsigned char *digest)
{
PHP_SHA256_CTX context;
PHP_SHA256Init(&context);
PHP_SHA256Update(&context, (unsigned char *) str, _len);
PHP_SHA256Final(digest, &context);
}
//sha256
static void mysql_sha2_password_with_nonce(char* ret, char* nonce, char* password, size_t password_len)
{
// XOR(SHA256(password), SHA256(SHA256(SHA256(password)), nonce))
char hashed[32], double_hashed[32];
php_swoole_sha256(password, password_len, (unsigned char *) hashed);
php_swoole_sha256(hashed, 32, (unsigned char *) double_hashed);
char combined[32 + SW_MYSQL_NONCE_LENGTH]; //double-hashed + nonce
memcpy(combined, double_hashed, 32);
memcpy(combined + 32, nonce, SW_MYSQL_NONCE_LENGTH);
char xor_bytes[32];
php_swoole_sha256(combined, 32 + SW_MYSQL_NONCE_LENGTH, (unsigned char *) xor_bytes);
int i;
for (i = 0; i < 32; i++)
{
hashed[i] ^= xor_bytes[i];
}
memcpy(ret, hashed, 32);
}
/**
* Return: password length
*/
static int mysql_auth_encrypt_dispatch(char *buf, char *auth_plugin_name, char *password, size_t password_len, char* nonce, int *next_state)
{
if (!auth_plugin_name || strcasecmp("mysql_native_password", auth_plugin_name) == 0)
{
// mysql_native_password is default
// auth-response
char hash_0[20];
bzero(hash_0, sizeof (hash_0));
php_swoole_sha1(password, password_len, (uchar *) hash_0);
char hash_1[20];
bzero(hash_1, sizeof (hash_1));
php_swoole_sha1(hash_0, sizeof (hash_0), (uchar *) hash_1);
char str[40];
memcpy(str, nonce, 20);
memcpy(str + 20, hash_1, 20);
char hash_2[20];
php_swoole_sha1(str, sizeof (str), (uchar *) hash_2);
char hash_3[20];
int *a = (int *) hash_2;
int *b = (int *) hash_0;
int *c = (int *) hash_3;
int i;
for (i = 0; i < 5; i++)
{
c[i] = a[i] ^ b[i];
}
memcpy(buf, hash_3, 20);
return 20;
}
else if (strcasecmp("caching_sha2_password", auth_plugin_name) == 0)
{
char hashed[32];
mysql_sha2_password_with_nonce(
(char *) hashed,
(char *) nonce,
password,
password_len
);
// copy hashed data to connector buf
memcpy(buf, (char *) hashed, 32);
*next_state = SW_MYSQL_HANDSHAKE_WAIT_SIGNATURE;
return 32;
}
else
{
// unknown
swWarn("Unknown auth plugin: %s", auth_plugin_name);
return 0;
}
}
/**
1 [0a] protocol version
string[NUL] server version
4 connection id
string[8] auth-plugin-data-part-1
1 [00] filler
2 capability flags (lower 2 bytes)
if more data in the packet:
1 character set
2 status flags
2 capability flags (upper 2 bytes)
if capabilities & CLIENT_PLUGIN_AUTH {
1 length of auth-plugin-data
} else {
1 [00]
}
string[10] reserved (all [00])
if capabilities & CLIENT_SECURE_CONNECTION {
string[$len] auth-plugin-data-part-2 ($len=MAX(13, length of auth-plugin-data - 8))
if capabilities & CLIENT_PLUGIN_AUTH {
string[NUL] auth-plugin name
}
*/
int mysql_handshake(mysql_connector *connector, char *buf, int len)
{
char *tmp = buf;
int next_state = SW_MYSQL_HANDSHAKE_WAIT_RESULT; // ret is the next handshake state
/**
* handshake request
*/
mysql_handshake_request request;
bzero(&request, sizeof(request));
request.packet_length = mysql_uint3korr(tmp);
//continue to wait for data
if (len < SW_MYSQL_PACKET_HEADER_SIZE + request.packet_length)
{
return 0;
}
swMysqlPacketDump(tmp, SW_MYSQL_PACKET_HEADER_SIZE + request.packet_length, "Protocol::HandshakeV10");
request.packet_number = tmp[3];
tmp += SW_MYSQL_PACKET_HEADER_SIZE;
request.protocol_version = *tmp;
tmp += 1;
//ERROR Packet
if (request.protocol_version == SW_MYSQL_PACKET_ERR)
{
connector->error_code = *(uint16_t *) tmp;
connector->error_msg = tmp + 2;
connector->error_length = request.packet_length - 3;
return -1;
}
//1 [0a] protocol version
request.server_version = tmp;
tmp += (strlen(request.server_version) + 1);
//4 connection id
request.connection_id = *((int *) tmp);
tmp += 4;
//string[8] auth-plugin-data-part-1
memcpy(request.auth_plugin_data, tmp, 8);
tmp += 8;
//1 [00] filler
request.filler = *tmp;
tmp += 1;
//2 capability flags (lower 2 bytes)
memcpy(((char *) (&request.capability_flags)), tmp, 2);
tmp += 2;
if (tmp - tmp < len)
{
//1 character set
request.character_set = *tmp;
tmp += 1;
//2 status flags
memcpy(&request.status_flags, tmp, 2);
tmp += 2;
//2 capability flags (upper 2 bytes)
memcpy(((char *) (&request.capability_flags) + 2), tmp, 2);
tmp += 2;
request.l_auth_plugin_data = *tmp;
tmp += 1;
memcpy(&request.reserved, tmp, sizeof(request.reserved));
tmp += sizeof(request.reserved);
if (request.capability_flags & SW_MYSQL_CLIENT_SECURE_CONNECTION)
{
int len = MAX(13, request.l_auth_plugin_data - 8);
memcpy(request.auth_plugin_data + 8, tmp, len);
#ifdef SW_MYSQL_RSA_SUPPORT
memcpy(connector->auth_plugin_data, request.auth_plugin_data, SW_MYSQL_NONCE_LENGTH);
#endif
tmp += len;
}
if (request.capability_flags & SW_MYSQL_CLIENT_PLUGIN_AUTH)
{
request.auth_plugin_name = tmp;
request.l_auth_plugin_name = MIN(strlen(tmp), len - (tmp - buf));
swTraceLog(SW_TRACE_MYSQL_CLIENT, "use %s auth plugin", request.auth_plugin_name);
}
}
int value;
tmp = connector->buf + 4;
//capability flags, CLIENT_PROTOCOL_41 always set
value = SW_MYSQL_CLIENT_LONG_PASSWORD | SW_MYSQL_CLIENT_PROTOCOL_41 | SW_MYSQL_CLIENT_SECURE_CONNECTION
| SW_MYSQL_CLIENT_CONNECT_WITH_DB | SW_MYSQL_CLIENT_PLUGIN_AUTH | SW_MYSQL_CLIENT_MULTI_RESULTS;
memcpy(tmp, &value, sizeof(value));
tmp += 4;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "Server protocol=%d, version=%s, capabilites=0x%08x, status=%u, Client capabilites=0x%08x",
request.protocol_version, request.server_version, request.capability_flags, request.status_flags, value);
//max-packet size
value = 300;
memcpy(tmp, &value, sizeof(value));
tmp += 4;
//use the server character_set when the character_set is not set.
if (connector->character_set == 0)
{
connector->character_set = request.character_set;
}
//character set
*tmp = connector->character_set;
tmp += 1;
//string[23] reserved (all [0])
tmp += 23;
//string[NUL] username
memcpy(tmp, connector->user, connector->user_len);
tmp[connector->user_len] = '\0';
tmp += (connector->user_len + 1);
if (connector->password_len > 0)
{
int length = 0;
length = mysql_auth_encrypt_dispatch(
tmp + 1,
request.auth_plugin_name,
connector->password,
connector->password_len,
request.auth_plugin_data,
&next_state
);
*tmp = length;
tmp += length + 1;
}
else
{
*tmp = 0;
tmp++;
}
//string[NUL] database
memcpy(tmp, connector->database, connector->database_len);
tmp[connector->database_len] = '\0';
tmp += (connector->database_len + 1);
//string[NUL] auth plugin name
memcpy(tmp, request.auth_plugin_name, request.l_auth_plugin_name);
tmp[request.l_auth_plugin_name] = '\0';
tmp += (request.l_auth_plugin_name + 1);
connector->packet_length = tmp - connector->buf - 4;
mysql_pack_length(connector->packet_length, connector->buf);
connector->buf[3] = 1;
swMysqlPacketDump(connector->buf, SW_MYSQL_PACKET_HEADER_SIZE + connector->packet_length, "Protocol::HandshakeResponse41");
return next_state;
}
// we may need it one day but now
// we can reply the every auth plugin requirement on the first handshake
int mysql_auth_switch(mysql_connector *connector, char *buf, int len)
{
char *tmp = buf;
if ((uint8_t) tmp[4] != SW_MYSQL_PACKET_EOF)
{
// out of the order packet
return SW_ERR;
}
int next_state = SW_MYSQL_HANDSHAKE_WAIT_RESULT;
uint32_t packet_length = mysql_uint3korr(tmp);
//continue to wait for data
if (len < SW_MYSQL_PACKET_HEADER_SIZE + packet_length)
{
return SW_AGAIN;
}
int packet_number = tmp[3];
tmp += SW_MYSQL_PACKET_HEADER_SIZE;
// type
tmp += 1;
// clear
connector->packet_length = 0;
memset(connector->buf, 0, 512);
// string[NUL] plugin name
char auth_plugin_name[32];
int auth_plugin_name_len = 0;
int i;
for (i = 0; i < packet_length; i++)
{
auth_plugin_name[auth_plugin_name_len] = tmp[auth_plugin_name_len];
auth_plugin_name_len++;
if (tmp[auth_plugin_name_len] == 0x00)
{
break;
}
}
auth_plugin_name[auth_plugin_name_len] = '\0';
swTraceLog(SW_TRACE_MYSQL_CLIENT, "auth switch plugin name=%s", auth_plugin_name);
tmp += auth_plugin_name_len + 1; // name + 0x00
// if auth switch is triggered, password can't be empty
// string auth plugin data
char auth_plugin_data[20];
memcpy((char *)auth_plugin_data, tmp, 20);
// create auth switch response packet
connector->packet_length += mysql_auth_encrypt_dispatch(
(char *) (connector->buf + 4),
auth_plugin_name,
connector->password,
connector->password_len,
auth_plugin_data,
&next_state
);
// 3 for packet length
mysql_pack_length(connector->packet_length, connector->buf);
// 1 packet num
connector->buf[3] = packet_number + 1;
return next_state;
}
int mysql_parse_auth_signature(swString *buffer, mysql_connector *connector)
{
char *tmp = buffer->str;
uint32_t packet_length = mysql_uint3korr(tmp);
//continue to wait for data
if (buffer->length < SW_MYSQL_PACKET_HEADER_SIZE + packet_length)
{
return SW_AGAIN;
}
swMysqlPacketDump(tmp, SW_MYSQL_PACKET_HEADER_SIZE + packet_length, "Auth");
int packet_number = tmp[3];
tmp += SW_MYSQL_PACKET_HEADER_SIZE;
// signature
if ((uint8_t) tmp[0] != SW_MYSQL_AUTH_SIGNATURE)
{
return SW_MYSQL_AUTH_SIGNATURE_ERROR;
}
// remaining length
buffer->offset = SW_MYSQL_PACKET_HEADER_SIZE + packet_length;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "before signature remaining=%ju", (uintmax_t) (buffer->length - buffer->offset));
if ((uint8_t)tmp[1] == SW_MYSQL_AUTH_SIGNATURE_FULL_AUTH_REQUIRED)
{
// create RSA prepared response
connector->packet_length = 1;
memset(connector->buf, 0, 512);
// 3 for packet length
mysql_pack_length(connector->packet_length, connector->buf);
// 1 packet number
connector->buf[3] = packet_number + 1;
// as I am OK
connector->buf[4] = SW_MYSQL_AUTH_SIGNATURE_RSA_PREPARED;
}
// signature value
return tmp[1];
}
#ifdef SW_MYSQL_RSA_SUPPORT
// Caching sha2 authentication. Public key request and send encrypted password
// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchResponse
int mysql_parse_rsa(mysql_connector *connector, char *buf, int len)
{
// clear
connector->packet_length = 0;
memset(connector->buf, 0, 512);
char *tmp = buf;
uint32_t packet_length = mysql_uint3korr(tmp);
//continue to wait for data
if (len < SW_MYSQL_PACKET_HEADER_SIZE + packet_length)
{
return SW_AGAIN;
}
int packet_number = tmp[3];
tmp += SW_MYSQL_PACKET_HEADER_SIZE;
int rsa_public_key_length = packet_length;
while (tmp[0] != 0x2d)
{
tmp++; // ltrim
rsa_public_key_length--;
}
char rsa_public_key[rsa_public_key_length + 1]; //rsa + '\0'
memcpy((char *)rsa_public_key, tmp, rsa_public_key_length);
rsa_public_key[rsa_public_key_length] = '\0';
swTraceLog(SW_TRACE_MYSQL_CLIENT, "rsa-length=%d;\nrsa-key=[%.*s]", rsa_public_key_length, rsa_public_key_length, rsa_public_key);
int password_len = connector->password_len + 1;
unsigned char password[password_len];
// copy to stack
memcpy((char *)password, connector->password, password_len);
// add NUL terminator to password
password[password_len - 1] = '\0';
// XOR the password bytes with the challenge
int i;
for (i = 0; i < password_len; i++)
{
password[i] ^= connector->auth_plugin_data[i % SW_MYSQL_NONCE_LENGTH];
}
// prepare RSA public key
BIO *bio = NULL;
RSA *public_rsa = NULL;
if (unlikely((bio = BIO_new_mem_buf((void *)rsa_public_key, -1)) == NULL))
{
swWarn("BIO_new_mem_buf publicKey error!");
return SW_ERR;
}
// PEM_read_bio_RSA_PUBKEY
ERR_clear_error();
if (unlikely((public_rsa = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL)) == NULL))
{
ERR_load_crypto_strings();
char err_buf[512];
ERR_error_string_n(ERR_get_error(), err_buf, sizeof(err_buf));
swWarn("[PEM_read_bio_RSA_PUBKEY ERROR]: %s", err_buf);
return SW_ERR;
}
BIO_free_all(bio);
// encrypt with RSA public key
int rsa_len = RSA_size(public_rsa);
unsigned char encrypt_msg[rsa_len];
// RSA_public_encrypt
ERR_clear_error();
int flen = rsa_len - 42;
flen = password_len > flen ? flen : password_len;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "rsa_len=%d", rsa_len);
if (unlikely(RSA_public_encrypt(flen, (const unsigned char *)password, (unsigned char *)encrypt_msg, public_rsa, RSA_PKCS1_OAEP_PADDING) < 0))
{
ERR_load_crypto_strings();
char err_buf[512];
ERR_error_string_n(ERR_get_error(), err_buf, sizeof(err_buf));
swWarn("[RSA_public_encrypt ERROR]: %s", err_buf);
return SW_ERR;
}
RSA_free(public_rsa);
memcpy((char *)connector->buf + 4, (char *)encrypt_msg, rsa_len); // copy rsa to buf
connector->packet_length = rsa_len;
// 3 for packet length
mysql_pack_length(connector->packet_length, connector->buf);
// 1 packet number
connector->buf[3] = packet_number + 1;
return SW_OK;
}
#endif
static int mysql_parse_prepare_result(mysql_client *client, char *buf, size_t n_buf)
{
// not COM_STMT_PREPARE_OK packet
if ((uint8_t) buf[4] != SW_MYSQL_PACKET_OK || client->cmd != SW_MYSQL_COM_STMT_PREPARE || client->response.packet_length < 12)
{
return SW_ERR;
}
swMysqlPacketDump(buf, SW_MYSQL_PACKET_HEADER_SIZE + client->response.packet_length, "COM_STMT_PREPARE_OK_Packet");
// skip the packet header
buf += SW_MYSQL_PACKET_HEADER_SIZE;
mysql_statement *stmt = emalloc(sizeof(mysql_statement));
// status (1) -- [00] OK
buf += 1;
// statement_id (4) -- statement-id
stmt->id = mysql_uint4korr(buf);
buf += 4;
// num_columns (2) -- number of columns
stmt->field_count = mysql_uint2korr(buf);
buf += 2;
// num_params (2) -- number of params
stmt->unreaded_param_count = stmt->param_count = mysql_uint2korr(buf);
buf += 2;
// reserved_1 (1) -- [00] filler
buf += 1;
// warning_count (2) -- number of warnings
stmt->warning_count = mysql_uint2korr(buf);
stmt->result = NULL;
stmt->buffer = NULL;
client->statement = stmt;
stmt->client = client;
MYSQL_RESPONSE_BUFFER->offset += SW_MYSQL_PACKET_HEADER_SIZE + client->response.packet_length;