Brandon Fictorie / Mbed 2 deprecated BF_Websocket

Dependencies:   mbed

Committer:
bfictorie
Date:
Sun Mar 25 17:26:30 2012 +0000
Revision:
0:8cdad1c73e8e

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bfictorie 0:8cdad1c73e8e 1 #pragma diag_remark 177
bfictorie 0:8cdad1c73e8e 2 /*
bfictorie 0:8cdad1c73e8e 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
bfictorie 0:8cdad1c73e8e 4
bfictorie 0:8cdad1c73e8e 5 Permission is hereby granted, free of charge, to any person obtaining a copy
bfictorie 0:8cdad1c73e8e 6 of this software and associated documentation files (the "Software"), to deal
bfictorie 0:8cdad1c73e8e 7 in the Software without restriction, including without limitation the rights
bfictorie 0:8cdad1c73e8e 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
bfictorie 0:8cdad1c73e8e 9 copies of the Software, and to permit persons to whom the Software is
bfictorie 0:8cdad1c73e8e 10 furnished to do so, subject to the following conditions:
bfictorie 0:8cdad1c73e8e 11
bfictorie 0:8cdad1c73e8e 12 The above copyright notice and this permission notice shall be included in
bfictorie 0:8cdad1c73e8e 13 all copies or substantial portions of the Software.
bfictorie 0:8cdad1c73e8e 14
bfictorie 0:8cdad1c73e8e 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
bfictorie 0:8cdad1c73e8e 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
bfictorie 0:8cdad1c73e8e 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
bfictorie 0:8cdad1c73e8e 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
bfictorie 0:8cdad1c73e8e 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
bfictorie 0:8cdad1c73e8e 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
bfictorie 0:8cdad1c73e8e 21 THE SOFTWARE.
bfictorie 0:8cdad1c73e8e 22 */
bfictorie 0:8cdad1c73e8e 23
bfictorie 0:8cdad1c73e8e 24 #include "MySQLClient.h"
bfictorie 0:8cdad1c73e8e 25 #include "sha1.h" //For 4.1+ passwords
bfictorie 0:8cdad1c73e8e 26 #include "mycrypt.h" //For 4.0- passwords
bfictorie 0:8cdad1c73e8e 27
bfictorie 0:8cdad1c73e8e 28 //#define __DEBUG
bfictorie 0:8cdad1c73e8e 29 #include "dbg/dbg.h"
bfictorie 0:8cdad1c73e8e 30
bfictorie 0:8cdad1c73e8e 31 #define MYSQL_TIMEOUT_MS 45000
bfictorie 0:8cdad1c73e8e 32 #define MYSQL_PORT 3306
bfictorie 0:8cdad1c73e8e 33
bfictorie 0:8cdad1c73e8e 34 #define BUF_SIZE 256
bfictorie 0:8cdad1c73e8e 35
bfictorie 0:8cdad1c73e8e 36 #define CLIENT_LONG_PASSWORD 1
bfictorie 0:8cdad1c73e8e 37 #define CLIENT_CONNECT_WITH_DB 8
bfictorie 0:8cdad1c73e8e 38 #define CLIENT_PROTOCOL_41 512
bfictorie 0:8cdad1c73e8e 39 #define CLIENT_INTERACTIVE 1024
bfictorie 0:8cdad1c73e8e 40 #define CLIENT_SECURE_CONNECTION 32768
bfictorie 0:8cdad1c73e8e 41
bfictorie 0:8cdad1c73e8e 42 #define MIN(a,b) ((a)<(b)?(a):(b))
bfictorie 0:8cdad1c73e8e 43 #define ABS(a) (((a)>0)?(a):0)
bfictorie 0:8cdad1c73e8e 44
bfictorie 0:8cdad1c73e8e 45 //MySQL commands
bfictorie 0:8cdad1c73e8e 46 #define COM_QUIT 0x01 //Exit
bfictorie 0:8cdad1c73e8e 47 #define COM_QUERY 0x03 //Execute an SQL query
bfictorie 0:8cdad1c73e8e 48
bfictorie 0:8cdad1c73e8e 49 //#define htons( x ) ( (( x << 8 ) & 0xFF00) | (( x >> 8 ) & 0x00FF) )
bfictorie 0:8cdad1c73e8e 50 #define ntohs( x ) (htons(x))
bfictorie 0:8cdad1c73e8e 51
bfictorie 0:8cdad1c73e8e 52 /*#define htonl( x ) ( (( x << 24 ) & 0xFF000000) \
bfictorie 0:8cdad1c73e8e 53 | (( x << 8 ) & 0x00FF0000) \
bfictorie 0:8cdad1c73e8e 54 | (( x >> 8 ) & 0x0000FF00) \
bfictorie 0:8cdad1c73e8e 55 | (( x >> 24 ) & 0x000000FF) )*/
bfictorie 0:8cdad1c73e8e 56 #define htonl( x ) (x)
bfictorie 0:8cdad1c73e8e 57 #define ntohl( x ) (htonl(x))
bfictorie 0:8cdad1c73e8e 58
bfictorie 0:8cdad1c73e8e 59 MySQLClient::MySQLClient() : NetService(false) /*Not owned by the pool*/, m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL),
bfictorie 0:8cdad1c73e8e 60 m_pTCPSocket(NULL), m_watchdog(), m_timeout(MYSQL_TIMEOUT_MS*1000), m_pDnsReq(NULL), m_closed(true),
bfictorie 0:8cdad1c73e8e 61 m_host(), m_user(), m_password(), m_db(), m_state(MYSQL_CLOSED)
bfictorie 0:8cdad1c73e8e 62 {
bfictorie 0:8cdad1c73e8e 63 m_buf = new byte[BUF_SIZE];
bfictorie 0:8cdad1c73e8e 64 m_pPos = m_buf;
bfictorie 0:8cdad1c73e8e 65 m_len = 0;
bfictorie 0:8cdad1c73e8e 66 m_size = BUF_SIZE;
bfictorie 0:8cdad1c73e8e 67 }
bfictorie 0:8cdad1c73e8e 68
bfictorie 0:8cdad1c73e8e 69 MySQLClient::~MySQLClient()
bfictorie 0:8cdad1c73e8e 70 {
bfictorie 0:8cdad1c73e8e 71 close();
bfictorie 0:8cdad1c73e8e 72 delete[] m_buf;
bfictorie 0:8cdad1c73e8e 73 }
bfictorie 0:8cdad1c73e8e 74
bfictorie 0:8cdad1c73e8e 75 //High Level setup functions
bfictorie 0:8cdad1c73e8e 76 MySQLResult MySQLClient::open(Host& host, const string& user, const string& password, const string& db, void (*pMethod)(MySQLResult)) //Non blocking
bfictorie 0:8cdad1c73e8e 77 {
bfictorie 0:8cdad1c73e8e 78 setOnResult(pMethod);
bfictorie 0:8cdad1c73e8e 79 setup(host, user, password, db);
bfictorie 0:8cdad1c73e8e 80 return MYSQL_PROCESSING;
bfictorie 0:8cdad1c73e8e 81 }
bfictorie 0:8cdad1c73e8e 82
bfictorie 0:8cdad1c73e8e 83 #if 0 //Ref only
bfictorie 0:8cdad1c73e8e 84 template<class T>
bfictorie 0:8cdad1c73e8e 85 MySQLResult MySQLClient::open(Host& host, const string& user, const string& password, const string& db, T* pItem, void (T::*pMethod)(MySQLResult)) //Non blocking
bfictorie 0:8cdad1c73e8e 86 {
bfictorie 0:8cdad1c73e8e 87 setOnResult(pItem, pMethod);
bfictorie 0:8cdad1c73e8e 88 setup(host, user, password, db);
bfictorie 0:8cdad1c73e8e 89 return MYSQL_PROCESSING;
bfictorie 0:8cdad1c73e8e 90 }
bfictorie 0:8cdad1c73e8e 91 #endif
bfictorie 0:8cdad1c73e8e 92
bfictorie 0:8cdad1c73e8e 93 MySQLResult MySQLClient::sql(string& sqlCommand)
bfictorie 0:8cdad1c73e8e 94 {
bfictorie 0:8cdad1c73e8e 95 if(m_state!=MYSQL_COMMANDS)
bfictorie 0:8cdad1c73e8e 96 return MYSQL_SETUP;
bfictorie 0:8cdad1c73e8e 97 sendCommand(COM_QUERY, (byte*)sqlCommand.data(), sqlCommand.length());
bfictorie 0:8cdad1c73e8e 98 return MYSQL_PROCESSING;
bfictorie 0:8cdad1c73e8e 99 }
bfictorie 0:8cdad1c73e8e 100
bfictorie 0:8cdad1c73e8e 101 MySQLResult MySQLClient::exit()
bfictorie 0:8cdad1c73e8e 102 {
bfictorie 0:8cdad1c73e8e 103 sendCommand(COM_QUIT, NULL, 0);
bfictorie 0:8cdad1c73e8e 104 close();
bfictorie 0:8cdad1c73e8e 105 return MYSQL_OK;
bfictorie 0:8cdad1c73e8e 106 }
bfictorie 0:8cdad1c73e8e 107
bfictorie 0:8cdad1c73e8e 108 void MySQLClient::setOnResult( void (*pMethod)(MySQLResult) )
bfictorie 0:8cdad1c73e8e 109 {
bfictorie 0:8cdad1c73e8e 110 m_pCb = pMethod;
bfictorie 0:8cdad1c73e8e 111 m_pCbItem = NULL;
bfictorie 0:8cdad1c73e8e 112 m_pCbMeth = NULL;
bfictorie 0:8cdad1c73e8e 113 }
bfictorie 0:8cdad1c73e8e 114
bfictorie 0:8cdad1c73e8e 115 #if 0 //Ref only
bfictorie 0:8cdad1c73e8e 116 template<class T>
bfictorie 0:8cdad1c73e8e 117 void MySQLClient::setOnResult( T* pItem, void (T::*pMethod)(MySQLResult) )
bfictorie 0:8cdad1c73e8e 118 {
bfictorie 0:8cdad1c73e8e 119 m_pCb = NULL;
bfictorie 0:8cdad1c73e8e 120 m_pCbItem = (CDummy*) pItem;
bfictorie 0:8cdad1c73e8e 121 m_pCbMeth = (void (CDummy::*)(MySQLResult)) pMethod;
bfictorie 0:8cdad1c73e8e 122 }
bfictorie 0:8cdad1c73e8e 123 #endif
bfictorie 0:8cdad1c73e8e 124
bfictorie 0:8cdad1c73e8e 125 void MySQLClient::setTimeout(int ms)
bfictorie 0:8cdad1c73e8e 126 {
bfictorie 0:8cdad1c73e8e 127 m_timeout = 1000*ms;
bfictorie 0:8cdad1c73e8e 128 }
bfictorie 0:8cdad1c73e8e 129
bfictorie 0:8cdad1c73e8e 130 void MySQLClient::poll() //Called by NetServices
bfictorie 0:8cdad1c73e8e 131 {
bfictorie 0:8cdad1c73e8e 132 if(m_closed)
bfictorie 0:8cdad1c73e8e 133 {
bfictorie 0:8cdad1c73e8e 134 return;
bfictorie 0:8cdad1c73e8e 135 }
bfictorie 0:8cdad1c73e8e 136 if(m_watchdog.read_us()>m_timeout)
bfictorie 0:8cdad1c73e8e 137 {
bfictorie 0:8cdad1c73e8e 138 onTimeout();
bfictorie 0:8cdad1c73e8e 139 }
bfictorie 0:8cdad1c73e8e 140 }
bfictorie 0:8cdad1c73e8e 141
bfictorie 0:8cdad1c73e8e 142 void MySQLClient::resetTimeout()
bfictorie 0:8cdad1c73e8e 143 {
bfictorie 0:8cdad1c73e8e 144 m_watchdog.reset();
bfictorie 0:8cdad1c73e8e 145 m_watchdog.start();
bfictorie 0:8cdad1c73e8e 146 }
bfictorie 0:8cdad1c73e8e 147
bfictorie 0:8cdad1c73e8e 148 void MySQLClient::init()
bfictorie 0:8cdad1c73e8e 149 {
bfictorie 0:8cdad1c73e8e 150 close(); //Remove previous elements
bfictorie 0:8cdad1c73e8e 151 if(!m_closed) //Already opened
bfictorie 0:8cdad1c73e8e 152 return;
bfictorie 0:8cdad1c73e8e 153 m_state = MYSQL_HANDSHAKE;
bfictorie 0:8cdad1c73e8e 154 m_pTCPSocket = new TCPSocket;
bfictorie 0:8cdad1c73e8e 155 m_pTCPSocket->setOnEvent(this, &MySQLClient::onTCPSocketEvent);
bfictorie 0:8cdad1c73e8e 156 m_closed = false;
bfictorie 0:8cdad1c73e8e 157 }
bfictorie 0:8cdad1c73e8e 158
bfictorie 0:8cdad1c73e8e 159 void MySQLClient::close()
bfictorie 0:8cdad1c73e8e 160 {
bfictorie 0:8cdad1c73e8e 161 if(m_closed)
bfictorie 0:8cdad1c73e8e 162 return;
bfictorie 0:8cdad1c73e8e 163 m_state = MYSQL_CLOSED;
bfictorie 0:8cdad1c73e8e 164 m_closed = true; //Prevent recursive calling or calling on an object being destructed by someone else
bfictorie 0:8cdad1c73e8e 165 m_watchdog.stop(); //Stop timeout
bfictorie 0:8cdad1c73e8e 166 m_watchdog.reset();
bfictorie 0:8cdad1c73e8e 167 m_pTCPSocket->resetOnEvent();
bfictorie 0:8cdad1c73e8e 168 m_pTCPSocket->close();
bfictorie 0:8cdad1c73e8e 169 delete m_pTCPSocket;
bfictorie 0:8cdad1c73e8e 170 m_pTCPSocket = NULL;
bfictorie 0:8cdad1c73e8e 171 if( m_pDnsReq )
bfictorie 0:8cdad1c73e8e 172 {
bfictorie 0:8cdad1c73e8e 173 m_pDnsReq->close();
bfictorie 0:8cdad1c73e8e 174 delete m_pDnsReq;
bfictorie 0:8cdad1c73e8e 175 m_pDnsReq = NULL;
bfictorie 0:8cdad1c73e8e 176 }
bfictorie 0:8cdad1c73e8e 177 }
bfictorie 0:8cdad1c73e8e 178
bfictorie 0:8cdad1c73e8e 179 void MySQLClient::setup(Host& host, const string& user, const string& password, const string& db) //Setup connection, make DNS Req if necessary
bfictorie 0:8cdad1c73e8e 180 {
bfictorie 0:8cdad1c73e8e 181 init(); //Initialize client in known state, create socket
bfictorie 0:8cdad1c73e8e 182 resetTimeout();
bfictorie 0:8cdad1c73e8e 183 m_host = host;
bfictorie 0:8cdad1c73e8e 184 if(!host.getPort())
bfictorie 0:8cdad1c73e8e 185 host.setPort( MYSQL_PORT ); //Default port
bfictorie 0:8cdad1c73e8e 186
bfictorie 0:8cdad1c73e8e 187 m_user = user;
bfictorie 0:8cdad1c73e8e 188 m_password = password;
bfictorie 0:8cdad1c73e8e 189
bfictorie 0:8cdad1c73e8e 190 m_db = db;
bfictorie 0:8cdad1c73e8e 191
bfictorie 0:8cdad1c73e8e 192 if( !host.getIp().isNull() )
bfictorie 0:8cdad1c73e8e 193 {
bfictorie 0:8cdad1c73e8e 194 connect();
bfictorie 0:8cdad1c73e8e 195 }
bfictorie 0:8cdad1c73e8e 196 else //Need to do a DNS Query...
bfictorie 0:8cdad1c73e8e 197 {
bfictorie 0:8cdad1c73e8e 198 DBG("DNS Query...\n");
bfictorie 0:8cdad1c73e8e 199 m_pDnsReq = new DNSRequest();
bfictorie 0:8cdad1c73e8e 200 m_pDnsReq->setOnReply(this, &MySQLClient::onDNSReply);
bfictorie 0:8cdad1c73e8e 201 m_pDnsReq->resolve(&m_host);
bfictorie 0:8cdad1c73e8e 202 DBG("MySQLClient : DNSRequest %p\n", m_pDnsReq);
bfictorie 0:8cdad1c73e8e 203 }
bfictorie 0:8cdad1c73e8e 204 }
bfictorie 0:8cdad1c73e8e 205
bfictorie 0:8cdad1c73e8e 206 void MySQLClient::connect() //Start Connection
bfictorie 0:8cdad1c73e8e 207 {
bfictorie 0:8cdad1c73e8e 208 resetTimeout();
bfictorie 0:8cdad1c73e8e 209 DBG("Connecting...\n");
bfictorie 0:8cdad1c73e8e 210 m_pTCPSocket->connect(m_host);
bfictorie 0:8cdad1c73e8e 211 m_packetId = 0;
bfictorie 0:8cdad1c73e8e 212 }
bfictorie 0:8cdad1c73e8e 213
bfictorie 0:8cdad1c73e8e 214 void MySQLClient::handleHandshake()
bfictorie 0:8cdad1c73e8e 215 {
bfictorie 0:8cdad1c73e8e 216 readData();
bfictorie 0:8cdad1c73e8e 217 if( ! (( m_len > 1 ) && ( memchr( m_buf + 1, 0, m_len ) != NULL )) )
bfictorie 0:8cdad1c73e8e 218 {
bfictorie 0:8cdad1c73e8e 219 DBG("Connected but could not find pcsz...\n");
bfictorie 0:8cdad1c73e8e 220 onResult(MYSQL_PRTCL);
bfictorie 0:8cdad1c73e8e 221 return;
bfictorie 0:8cdad1c73e8e 222 }
bfictorie 0:8cdad1c73e8e 223
bfictorie 0:8cdad1c73e8e 224 DBG("Connected to server: %d bytes read ; Protocol version %d, mysql-%s.\n", m_len, m_buf[0], &m_buf[1]);
bfictorie 0:8cdad1c73e8e 225
bfictorie 0:8cdad1c73e8e 226 m_pPos = (byte*) memchr( (char*)(m_buf + 1), 0, m_len ) + 1;
bfictorie 0:8cdad1c73e8e 227
bfictorie 0:8cdad1c73e8e 228 sendAuth();
bfictorie 0:8cdad1c73e8e 229 }
bfictorie 0:8cdad1c73e8e 230
bfictorie 0:8cdad1c73e8e 231 void MySQLClient::sendAuth()
bfictorie 0:8cdad1c73e8e 232 {
bfictorie 0:8cdad1c73e8e 233 if( m_len - (m_pPos - m_buf) != 44)
bfictorie 0:8cdad1c73e8e 234 {
bfictorie 0:8cdad1c73e8e 235 //We only support protocol >= mysql-4.1
bfictorie 0:8cdad1c73e8e 236 DBG("Message after pcsz has wrong len (%d != 44)...\n", m_len - (m_pPos - m_buf));
bfictorie 0:8cdad1c73e8e 237 onResult(MYSQL_PRTCL);
bfictorie 0:8cdad1c73e8e 238 return;
bfictorie 0:8cdad1c73e8e 239 }
bfictorie 0:8cdad1c73e8e 240
bfictorie 0:8cdad1c73e8e 241 uint16_t serverFlags = *((uint16_t*)&m_pPos[13]);
bfictorie 0:8cdad1c73e8e 242 DBG("Server capabilities are %04X.\n", serverFlags);
bfictorie 0:8cdad1c73e8e 243
bfictorie 0:8cdad1c73e8e 244 uint32_t clientFlags = CLIENT_CONNECT_WITH_DB | CLIENT_PROTOCOL_41 | CLIENT_SECURE_CONNECTION | CLIENT_INTERACTIVE;;
bfictorie 0:8cdad1c73e8e 245
bfictorie 0:8cdad1c73e8e 246 //if(serverFlags & CLIENT_LONG_PASSWORD)
bfictorie 0:8cdad1c73e8e 247
bfictorie 0:8cdad1c73e8e 248 DBG("Using auth 4.1+\n");
bfictorie 0:8cdad1c73e8e 249 //Encrypt pw using scramble
bfictorie 0:8cdad1c73e8e 250 byte scramble[20+20]={0};
bfictorie 0:8cdad1c73e8e 251 memcpy(scramble, m_pPos+4, 8);
bfictorie 0:8cdad1c73e8e 252 memcpy(scramble+8, m_pPos+31, 12); // *(m_pPos+43) == 0 (zero-terminated char*)
bfictorie 0:8cdad1c73e8e 253
bfictorie 0:8cdad1c73e8e 254 byte stage1_hash[20] = {0};
bfictorie 0:8cdad1c73e8e 255 sha1( (byte*)m_password.data(), m_password.length(), stage1_hash );
bfictorie 0:8cdad1c73e8e 256
bfictorie 0:8cdad1c73e8e 257 sha1( stage1_hash, 20, ((byte*)scramble + 20) );
bfictorie 0:8cdad1c73e8e 258
bfictorie 0:8cdad1c73e8e 259 byte token[20] = {0};
bfictorie 0:8cdad1c73e8e 260 sha1( scramble, 40, token );
bfictorie 0:8cdad1c73e8e 261
bfictorie 0:8cdad1c73e8e 262 for(int i=0;i<20;i++)
bfictorie 0:8cdad1c73e8e 263 token[i] = token[i] ^ stage1_hash[i];
bfictorie 0:8cdad1c73e8e 264
bfictorie 0:8cdad1c73e8e 265 clientFlags |= CLIENT_LONG_PASSWORD;
bfictorie 0:8cdad1c73e8e 266
bfictorie 0:8cdad1c73e8e 267 DBG("Building response\n");
bfictorie 0:8cdad1c73e8e 268 //Build response
bfictorie 0:8cdad1c73e8e 269
bfictorie 0:8cdad1c73e8e 270 //BE
bfictorie 0:8cdad1c73e8e 271 *((uint32_t*)&m_buf[0]) = htonl(clientFlags);
bfictorie 0:8cdad1c73e8e 272 *((uint32_t*)&m_buf[4]) = BUF_SIZE; //Max packets size
bfictorie 0:8cdad1c73e8e 273 m_buf[8] = 8; //latin1 charset
bfictorie 0:8cdad1c73e8e 274 memset((char*)(m_buf+9),0,23);
bfictorie 0:8cdad1c73e8e 275 strcpy((char*)(m_buf+32),m_user.c_str());
bfictorie 0:8cdad1c73e8e 276 m_pPos = m_buf + 32 + m_user.length() + 1;
bfictorie 0:8cdad1c73e8e 277 m_pPos[0] = 20;
bfictorie 0:8cdad1c73e8e 278 memcpy((char*)&m_pPos[1],token,20);
bfictorie 0:8cdad1c73e8e 279 strcpy((char*)(m_pPos+21),m_db.c_str());
bfictorie 0:8cdad1c73e8e 280 m_len = 32 + m_user.length() + 1 + 21 + m_db.length() + 1;
bfictorie 0:8cdad1c73e8e 281
bfictorie 0:8cdad1c73e8e 282 //Save first part of scramble in case we need it again
bfictorie 0:8cdad1c73e8e 283 memcpy(&m_buf[BUF_SIZE-8], scramble, 8);
bfictorie 0:8cdad1c73e8e 284
bfictorie 0:8cdad1c73e8e 285 m_state = MYSQL_AUTH;
bfictorie 0:8cdad1c73e8e 286
bfictorie 0:8cdad1c73e8e 287 DBG("Writing data\n");
bfictorie 0:8cdad1c73e8e 288 writeData();
bfictorie 0:8cdad1c73e8e 289 }
bfictorie 0:8cdad1c73e8e 290
bfictorie 0:8cdad1c73e8e 291 void MySQLClient::handleAuthResult()
bfictorie 0:8cdad1c73e8e 292 {
bfictorie 0:8cdad1c73e8e 293 readData();
bfictorie 0:8cdad1c73e8e 294 if(m_len==1 && *m_buf==0xfe)
bfictorie 0:8cdad1c73e8e 295 {
bfictorie 0:8cdad1c73e8e 296 //Re-send auth using 4.0- auth
bfictorie 0:8cdad1c73e8e 297 sendAuth323();
bfictorie 0:8cdad1c73e8e 298 return;
bfictorie 0:8cdad1c73e8e 299 }
bfictorie 0:8cdad1c73e8e 300 m_watchdog.stop(); //Stop timeout
bfictorie 0:8cdad1c73e8e 301 m_watchdog.reset();
bfictorie 0:8cdad1c73e8e 302 if(m_len<2)
bfictorie 0:8cdad1c73e8e 303 {
bfictorie 0:8cdad1c73e8e 304 DBG("Response too short..\n");
bfictorie 0:8cdad1c73e8e 305 onResult(MYSQL_PRTCL);
bfictorie 0:8cdad1c73e8e 306 return;
bfictorie 0:8cdad1c73e8e 307 }
bfictorie 0:8cdad1c73e8e 308 DBG("RC=%d ",m_buf[0]);
bfictorie 0:8cdad1c73e8e 309 if(m_buf[0]==0)
bfictorie 0:8cdad1c73e8e 310 {
bfictorie 0:8cdad1c73e8e 311 m_buf[m_len] = 0;
bfictorie 0:8cdad1c73e8e 312 m_pPos = m_buf + 1;
bfictorie 0:8cdad1c73e8e 313 m_pPos += m_buf[1] +1;
bfictorie 0:8cdad1c73e8e 314 m_pPos += m_pPos[0];
bfictorie 0:8cdad1c73e8e 315 m_pPos += 1;
bfictorie 0:8cdad1c73e8e 316 DBG("(OK) : Server status %d, Message : %s\n", *((uint16_t*)&m_pPos[0]), m_pPos+4);
bfictorie 0:8cdad1c73e8e 317 onResult(MYSQL_OK);
bfictorie 0:8cdad1c73e8e 318 }
bfictorie 0:8cdad1c73e8e 319 else
bfictorie 0:8cdad1c73e8e 320 {
bfictorie 0:8cdad1c73e8e 321 m_buf[m_len] = 0;
bfictorie 0:8cdad1c73e8e 322 DBG("(Error %d) : %s\n", *((uint16_t*)&m_buf[1]), &m_buf[9]); //LE
bfictorie 0:8cdad1c73e8e 323 onResult(MYSQL_AUTHFAILED);
bfictorie 0:8cdad1c73e8e 324 return;
bfictorie 0:8cdad1c73e8e 325 }
bfictorie 0:8cdad1c73e8e 326 m_state = MYSQL_COMMANDS;
bfictorie 0:8cdad1c73e8e 327 }
bfictorie 0:8cdad1c73e8e 328
bfictorie 0:8cdad1c73e8e 329 void MySQLClient::sendAuth323()
bfictorie 0:8cdad1c73e8e 330 {
bfictorie 0:8cdad1c73e8e 331 DBG("Using auth 4.0-\n");
bfictorie 0:8cdad1c73e8e 332 byte scramble[8]={0};
bfictorie 0:8cdad1c73e8e 333
bfictorie 0:8cdad1c73e8e 334 memcpy(scramble, &m_buf[BUF_SIZE-8], 8); //Recover scramble
bfictorie 0:8cdad1c73e8e 335
bfictorie 0:8cdad1c73e8e 336 //memcpy(scramble+8, m_pPos+31, 12); // *(m_pPos+43) == 0 (zero-terminated char*)
bfictorie 0:8cdad1c73e8e 337
bfictorie 0:8cdad1c73e8e 338 byte token[9]={0};
bfictorie 0:8cdad1c73e8e 339
bfictorie 0:8cdad1c73e8e 340 scramble_323((char*)token, (const char*)scramble, m_password.c_str());
bfictorie 0:8cdad1c73e8e 341
bfictorie 0:8cdad1c73e8e 342 DBG("Building response\n");
bfictorie 0:8cdad1c73e8e 343 //Build response
bfictorie 0:8cdad1c73e8e 344
bfictorie 0:8cdad1c73e8e 345 memcpy((char*)m_buf,token,9);
bfictorie 0:8cdad1c73e8e 346 m_len = 9;
bfictorie 0:8cdad1c73e8e 347
bfictorie 0:8cdad1c73e8e 348 #if 0
bfictorie 0:8cdad1c73e8e 349 *((uint32_t*)&m_buf[0]) = htonl(clientFlags);
bfictorie 0:8cdad1c73e8e 350 *((uint32_t*)&m_buf[4]) = BUF_SIZE; //Max packets size
bfictorie 0:8cdad1c73e8e 351 m_buf[8] = 8; //latin1 charset
bfictorie 0:8cdad1c73e8e 352 memset((char*)(m_buf+9),0,23);
bfictorie 0:8cdad1c73e8e 353 strcpy((char*)(m_buf+32),m_user.c_str());
bfictorie 0:8cdad1c73e8e 354 m_pPos = m_buf + 32 + m_user.length() + 1;
bfictorie 0:8cdad1c73e8e 355 m_pPos[0] = 8;
bfictorie 0:8cdad1c73e8e 356 memcpy((char*)&m_pPos[1],token+1,8);
bfictorie 0:8cdad1c73e8e 357 strcpy((char*)(m_pPos+9),m_db.c_str());
bfictorie 0:8cdad1c73e8e 358 m_len = 32 + m_user.length() + 1 + 9 + m_db.length() + 1;
bfictorie 0:8cdad1c73e8e 359 #endif
bfictorie 0:8cdad1c73e8e 360
bfictorie 0:8cdad1c73e8e 361 DBG("Writing data\n");
bfictorie 0:8cdad1c73e8e 362 writeData();
bfictorie 0:8cdad1c73e8e 363 }
bfictorie 0:8cdad1c73e8e 364
bfictorie 0:8cdad1c73e8e 365 void MySQLClient::sendCommand(byte command, byte* arg, int len)
bfictorie 0:8cdad1c73e8e 366 {
bfictorie 0:8cdad1c73e8e 367 DBG("Sending command %d, payload of len %d\n", command, len);
bfictorie 0:8cdad1c73e8e 368 m_packetId=0;//Reset packet ID (New sequence)
bfictorie 0:8cdad1c73e8e 369 m_buf[0] = command;
bfictorie 0:8cdad1c73e8e 370 memcpy(&m_buf[1], arg, len);
bfictorie 0:8cdad1c73e8e 371 m_len = 1 + len;
bfictorie 0:8cdad1c73e8e 372 writeData();
bfictorie 0:8cdad1c73e8e 373 m_watchdog.start();
bfictorie 0:8cdad1c73e8e 374 }
bfictorie 0:8cdad1c73e8e 375
bfictorie 0:8cdad1c73e8e 376 void MySQLClient::handleCommandResult()
bfictorie 0:8cdad1c73e8e 377 {
bfictorie 0:8cdad1c73e8e 378 readData();
bfictorie 0:8cdad1c73e8e 379 m_watchdog.stop(); //Stop timeout
bfictorie 0:8cdad1c73e8e 380 m_watchdog.reset();
bfictorie 0:8cdad1c73e8e 381 if(m_len<2)
bfictorie 0:8cdad1c73e8e 382 {
bfictorie 0:8cdad1c73e8e 383 DBG("Response too short..\n");
bfictorie 0:8cdad1c73e8e 384 onResult(MYSQL_PRTCL);
bfictorie 0:8cdad1c73e8e 385 return;
bfictorie 0:8cdad1c73e8e 386 }
bfictorie 0:8cdad1c73e8e 387 DBG("RC=%d ",m_buf[0]);
bfictorie 0:8cdad1c73e8e 388 if(m_buf[0]==0)
bfictorie 0:8cdad1c73e8e 389 {
bfictorie 0:8cdad1c73e8e 390 DBG("(OK)\n");
bfictorie 0:8cdad1c73e8e 391 onResult(MYSQL_OK);
bfictorie 0:8cdad1c73e8e 392 }
bfictorie 0:8cdad1c73e8e 393 else
bfictorie 0:8cdad1c73e8e 394 {
bfictorie 0:8cdad1c73e8e 395 m_buf[m_len] = 0;
bfictorie 0:8cdad1c73e8e 396 DBG("(SQL Error %d) : %s\n", *((uint16_t*)&m_buf[1]), &m_buf[9]); //LE
bfictorie 0:8cdad1c73e8e 397 onResult(MYSQL_SQL);
bfictorie 0:8cdad1c73e8e 398 return;
bfictorie 0:8cdad1c73e8e 399 }
bfictorie 0:8cdad1c73e8e 400 }
bfictorie 0:8cdad1c73e8e 401
bfictorie 0:8cdad1c73e8e 402 void MySQLClient::readData() //Copy to buf
bfictorie 0:8cdad1c73e8e 403 {
bfictorie 0:8cdad1c73e8e 404 byte head[4];
bfictorie 0:8cdad1c73e8e 405 int ret = m_pTCPSocket->recv((char*)head, 4); //Packet header
bfictorie 0:8cdad1c73e8e 406 m_len = *((uint16_t*)&head[0]);
bfictorie 0:8cdad1c73e8e 407 m_packetId = head[3];
bfictorie 0:8cdad1c73e8e 408 DBG("Packet Id %d of length %d\n", head[3], m_len);
bfictorie 0:8cdad1c73e8e 409 m_packetId++;
bfictorie 0:8cdad1c73e8e 410 if(ret>0)
bfictorie 0:8cdad1c73e8e 411 ret = m_pTCPSocket->recv((char*)m_buf, m_len);
bfictorie 0:8cdad1c73e8e 412 if(ret < 0)//Error
bfictorie 0:8cdad1c73e8e 413 {
bfictorie 0:8cdad1c73e8e 414 onResult(MYSQL_CONN);
bfictorie 0:8cdad1c73e8e 415 return;
bfictorie 0:8cdad1c73e8e 416 }
bfictorie 0:8cdad1c73e8e 417 if(ret < m_len)
bfictorie 0:8cdad1c73e8e 418 {
bfictorie 0:8cdad1c73e8e 419 DBG("WARN: Incomplete packet\n");
bfictorie 0:8cdad1c73e8e 420 }
bfictorie 0:8cdad1c73e8e 421 m_len = ret;
bfictorie 0:8cdad1c73e8e 422 }
bfictorie 0:8cdad1c73e8e 423
bfictorie 0:8cdad1c73e8e 424 void MySQLClient::writeData() //Copy from buf
bfictorie 0:8cdad1c73e8e 425 {
bfictorie 0:8cdad1c73e8e 426 byte head[4] = { 0 };
bfictorie 0:8cdad1c73e8e 427 *((uint16_t*)&head[0]) = m_len;
bfictorie 0:8cdad1c73e8e 428 head[3] = m_packetId;
bfictorie 0:8cdad1c73e8e 429 DBG("Packet Id %d\n", head[3]);
bfictorie 0:8cdad1c73e8e 430 m_packetId++;
bfictorie 0:8cdad1c73e8e 431 int ret = m_pTCPSocket->send((char*)head, 4); //Packet header
bfictorie 0:8cdad1c73e8e 432 if(ret>0)
bfictorie 0:8cdad1c73e8e 433 ret = m_pTCPSocket->send((char*)m_buf, m_len);
bfictorie 0:8cdad1c73e8e 434 if(ret < 0)//Error
bfictorie 0:8cdad1c73e8e 435 {
bfictorie 0:8cdad1c73e8e 436 onResult(MYSQL_CONN);
bfictorie 0:8cdad1c73e8e 437 return;
bfictorie 0:8cdad1c73e8e 438 }
bfictorie 0:8cdad1c73e8e 439 m_len = 0;//FIXME... incomplete packets handling
bfictorie 0:8cdad1c73e8e 440 }
bfictorie 0:8cdad1c73e8e 441
bfictorie 0:8cdad1c73e8e 442 void MySQLClient::onTCPSocketEvent(TCPSocketEvent e)
bfictorie 0:8cdad1c73e8e 443 {
bfictorie 0:8cdad1c73e8e 444 DBG("Event %d in MySQLClient::onTCPSocketEvent()\n", e);
bfictorie 0:8cdad1c73e8e 445
bfictorie 0:8cdad1c73e8e 446 if(m_closed)
bfictorie 0:8cdad1c73e8e 447 {
bfictorie 0:8cdad1c73e8e 448 DBG("WARN: Discarded\n");
bfictorie 0:8cdad1c73e8e 449 return;
bfictorie 0:8cdad1c73e8e 450 }
bfictorie 0:8cdad1c73e8e 451
bfictorie 0:8cdad1c73e8e 452 switch(e)
bfictorie 0:8cdad1c73e8e 453 {
bfictorie 0:8cdad1c73e8e 454 case TCPSOCKET_READABLE: //Incoming data
bfictorie 0:8cdad1c73e8e 455 resetTimeout();
bfictorie 0:8cdad1c73e8e 456 if(m_state == MYSQL_HANDSHAKE)
bfictorie 0:8cdad1c73e8e 457 handleHandshake();
bfictorie 0:8cdad1c73e8e 458 else if(m_state == MYSQL_AUTH)
bfictorie 0:8cdad1c73e8e 459 handleAuthResult();
bfictorie 0:8cdad1c73e8e 460 else if(m_state == MYSQL_COMMANDS)
bfictorie 0:8cdad1c73e8e 461 handleCommandResult();
bfictorie 0:8cdad1c73e8e 462 break;
bfictorie 0:8cdad1c73e8e 463 case TCPSOCKET_WRITEABLE: //We can send data
bfictorie 0:8cdad1c73e8e 464 resetTimeout();
bfictorie 0:8cdad1c73e8e 465 break;
bfictorie 0:8cdad1c73e8e 466 case TCPSOCKET_CONNECTED: //Connected, wait for handshake packet
bfictorie 0:8cdad1c73e8e 467 resetTimeout();
bfictorie 0:8cdad1c73e8e 468 break;
bfictorie 0:8cdad1c73e8e 469 case TCPSOCKET_CONTIMEOUT:
bfictorie 0:8cdad1c73e8e 470 case TCPSOCKET_CONRST:
bfictorie 0:8cdad1c73e8e 471 case TCPSOCKET_CONABRT:
bfictorie 0:8cdad1c73e8e 472 case TCPSOCKET_ERROR:
bfictorie 0:8cdad1c73e8e 473 DBG("Connection error.\n");
bfictorie 0:8cdad1c73e8e 474 onResult(MYSQL_CONN);
bfictorie 0:8cdad1c73e8e 475 case TCPSOCKET_DISCONNECTED:
bfictorie 0:8cdad1c73e8e 476 //There might still be some data available for reading
bfictorie 0:8cdad1c73e8e 477 //So if we are in a reading state, do not close the socket yet
bfictorie 0:8cdad1c73e8e 478 if(m_state != MYSQL_CLOSED)
bfictorie 0:8cdad1c73e8e 479 {
bfictorie 0:8cdad1c73e8e 480 onResult(MYSQL_CONN);
bfictorie 0:8cdad1c73e8e 481 }
bfictorie 0:8cdad1c73e8e 482 DBG("Connection closed by remote host.\n");
bfictorie 0:8cdad1c73e8e 483 break;
bfictorie 0:8cdad1c73e8e 484 }
bfictorie 0:8cdad1c73e8e 485 }
bfictorie 0:8cdad1c73e8e 486
bfictorie 0:8cdad1c73e8e 487 void MySQLClient::onDNSReply(DNSReply r)
bfictorie 0:8cdad1c73e8e 488 {
bfictorie 0:8cdad1c73e8e 489 if(m_closed)
bfictorie 0:8cdad1c73e8e 490 {
bfictorie 0:8cdad1c73e8e 491 DBG("WARN: Discarded\n");
bfictorie 0:8cdad1c73e8e 492 return;
bfictorie 0:8cdad1c73e8e 493 }
bfictorie 0:8cdad1c73e8e 494
bfictorie 0:8cdad1c73e8e 495 if( r != DNS_FOUND )
bfictorie 0:8cdad1c73e8e 496 {
bfictorie 0:8cdad1c73e8e 497 DBG("Could not resolve hostname.\n");
bfictorie 0:8cdad1c73e8e 498 onResult(MYSQL_DNS);
bfictorie 0:8cdad1c73e8e 499 return;
bfictorie 0:8cdad1c73e8e 500 }
bfictorie 0:8cdad1c73e8e 501
bfictorie 0:8cdad1c73e8e 502 DBG("DNS Resolved to %d.%d.%d.%d.\n",m_host.getIp()[0],m_host.getIp()[1],m_host.getIp()[2],m_host.getIp()[3]);
bfictorie 0:8cdad1c73e8e 503 //If no error, m_host has been updated by m_pDnsReq so we're set to go !
bfictorie 0:8cdad1c73e8e 504 m_pDnsReq->close();
bfictorie 0:8cdad1c73e8e 505 delete m_pDnsReq;
bfictorie 0:8cdad1c73e8e 506 m_pDnsReq = NULL;
bfictorie 0:8cdad1c73e8e 507 connect();
bfictorie 0:8cdad1c73e8e 508 }
bfictorie 0:8cdad1c73e8e 509
bfictorie 0:8cdad1c73e8e 510 void MySQLClient::onResult(MySQLResult r) //Called when exchange completed or on failure
bfictorie 0:8cdad1c73e8e 511 {
bfictorie 0:8cdad1c73e8e 512 if(m_pCbItem && m_pCbMeth)
bfictorie 0:8cdad1c73e8e 513 (m_pCbItem->*m_pCbMeth)(r);
bfictorie 0:8cdad1c73e8e 514 else if(m_pCb)
bfictorie 0:8cdad1c73e8e 515 m_pCb(r);
bfictorie 0:8cdad1c73e8e 516
bfictorie 0:8cdad1c73e8e 517 if( (r==MYSQL_DNS) || (r==MYSQL_PRTCL) || (r==MYSQL_AUTHFAILED) || (r==MYSQL_TIMEOUT) || (r==MYSQL_CONN) ) //Fatal error, close connection
bfictorie 0:8cdad1c73e8e 518 close();
bfictorie 0:8cdad1c73e8e 519 }
bfictorie 0:8cdad1c73e8e 520
bfictorie 0:8cdad1c73e8e 521 void MySQLClient::onTimeout() //Connection has timed out
bfictorie 0:8cdad1c73e8e 522 {
bfictorie 0:8cdad1c73e8e 523 DBG("Timed out.\n");
bfictorie 0:8cdad1c73e8e 524 onResult(MYSQL_TIMEOUT);
bfictorie 0:8cdad1c73e8e 525 close();
bfictorie 0:8cdad1c73e8e 526 }