Dirk-Willem van Gulik (NXP/mbed)
/
Bonjour
Bonjour/Zerconf library
services/mysql/MySQLClient.cpp@5:8e53abda9900, 2010-08-14 (annotated)
- Committer:
- dirkx
- Date:
- Sat Aug 14 15:54:31 2010 +0000
- Revision:
- 5:8e53abda9900
- Parent:
- 0:355018f44c9f
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dirkx | 0:355018f44c9f | 1 | |
dirkx | 0:355018f44c9f | 2 | /* |
dirkx | 0:355018f44c9f | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
dirkx | 0:355018f44c9f | 4 | |
dirkx | 0:355018f44c9f | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
dirkx | 0:355018f44c9f | 6 | of this software and associated documentation files (the "Software"), to deal |
dirkx | 0:355018f44c9f | 7 | in the Software without restriction, including without limitation the rights |
dirkx | 0:355018f44c9f | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
dirkx | 0:355018f44c9f | 9 | copies of the Software, and to permit persons to whom the Software is |
dirkx | 0:355018f44c9f | 10 | furnished to do so, subject to the following conditions: |
dirkx | 0:355018f44c9f | 11 | |
dirkx | 0:355018f44c9f | 12 | The above copyright notice and this permission notice shall be included in |
dirkx | 0:355018f44c9f | 13 | all copies or substantial portions of the Software. |
dirkx | 0:355018f44c9f | 14 | |
dirkx | 0:355018f44c9f | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
dirkx | 0:355018f44c9f | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
dirkx | 0:355018f44c9f | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
dirkx | 0:355018f44c9f | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
dirkx | 0:355018f44c9f | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
dirkx | 0:355018f44c9f | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
dirkx | 0:355018f44c9f | 21 | THE SOFTWARE. |
dirkx | 0:355018f44c9f | 22 | */ |
dirkx | 0:355018f44c9f | 23 | |
dirkx | 0:355018f44c9f | 24 | #include "MySQLClient.h" |
dirkx | 0:355018f44c9f | 25 | #include "sha1.h" //For 4.1+ passwords |
dirkx | 0:355018f44c9f | 26 | #include "mycrypt.h" //For 4.0- passwords |
dirkx | 0:355018f44c9f | 27 | |
dirkx | 0:355018f44c9f | 28 | #define __DEBUG |
dirkx | 0:355018f44c9f | 29 | #include "dbg/dbg.h" |
dirkx | 0:355018f44c9f | 30 | |
dirkx | 0:355018f44c9f | 31 | #define MYSQL_TIMEOUT_MS 15000 |
dirkx | 0:355018f44c9f | 32 | #define MYSQL_PORT 3306 |
dirkx | 0:355018f44c9f | 33 | |
dirkx | 0:355018f44c9f | 34 | #define BUF_SIZE 256 |
dirkx | 0:355018f44c9f | 35 | |
dirkx | 0:355018f44c9f | 36 | #define CLIENT_LONG_PASSWORD 1 |
dirkx | 0:355018f44c9f | 37 | #define CLIENT_CONNECT_WITH_DB 8 |
dirkx | 0:355018f44c9f | 38 | #define CLIENT_PROTOCOL_41 512 |
dirkx | 0:355018f44c9f | 39 | #define CLIENT_INTERACTIVE 1024 |
dirkx | 0:355018f44c9f | 40 | #define CLIENT_SECURE_CONNECTION 32768 |
dirkx | 0:355018f44c9f | 41 | |
dirkx | 0:355018f44c9f | 42 | #define MIN(a,b) ((a)<(b)?(a):(b)) |
dirkx | 0:355018f44c9f | 43 | #define ABS(a) (((a)>0)?(a):0) |
dirkx | 0:355018f44c9f | 44 | |
dirkx | 0:355018f44c9f | 45 | //MySQL commands |
dirkx | 0:355018f44c9f | 46 | #define COM_QUIT 0x01 //Exit |
dirkx | 0:355018f44c9f | 47 | #define COM_QUERY 0x03 //Execute an SQL query |
dirkx | 0:355018f44c9f | 48 | |
dirkx | 0:355018f44c9f | 49 | //#define htons( x ) ( (( x << 8 ) & 0xFF00) | (( x >> 8 ) & 0x00FF) ) |
dirkx | 0:355018f44c9f | 50 | #define ntohs( x ) (htons(x)) |
dirkx | 0:355018f44c9f | 51 | |
dirkx | 0:355018f44c9f | 52 | /*#define htonl( x ) ( (( x << 24 ) & 0xFF000000) \ |
dirkx | 0:355018f44c9f | 53 | | (( x << 8 ) & 0x00FF0000) \ |
dirkx | 0:355018f44c9f | 54 | | (( x >> 8 ) & 0x0000FF00) \ |
dirkx | 0:355018f44c9f | 55 | | (( x >> 24 ) & 0x000000FF) )*/ |
dirkx | 0:355018f44c9f | 56 | #define htonl( x ) (x) |
dirkx | 0:355018f44c9f | 57 | #define ntohl( x ) (htonl(x)) |
dirkx | 0:355018f44c9f | 58 | |
dirkx | 0:355018f44c9f | 59 | MySQLClient::MySQLClient() : NetService(false) /*Not owned by the pool*/, m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL), |
dirkx | 0:355018f44c9f | 60 | m_pTCPSocket(NULL), m_watchdog(), m_timeout(MYSQL_TIMEOUT_MS*1000), m_pDnsReq(NULL), m_closed(true), |
dirkx | 0:355018f44c9f | 61 | m_host(), m_user(), m_password(), m_db(), m_state(MYSQL_CLOSED) |
dirkx | 0:355018f44c9f | 62 | { |
dirkx | 0:355018f44c9f | 63 | m_buf = new byte[BUF_SIZE]; |
dirkx | 0:355018f44c9f | 64 | m_pPos = m_buf; |
dirkx | 0:355018f44c9f | 65 | m_len = 0; |
dirkx | 0:355018f44c9f | 66 | m_size = BUF_SIZE; |
dirkx | 0:355018f44c9f | 67 | } |
dirkx | 0:355018f44c9f | 68 | |
dirkx | 0:355018f44c9f | 69 | MySQLClient::~MySQLClient() |
dirkx | 0:355018f44c9f | 70 | { |
dirkx | 0:355018f44c9f | 71 | close(); |
dirkx | 0:355018f44c9f | 72 | delete[] m_buf; |
dirkx | 0:355018f44c9f | 73 | } |
dirkx | 0:355018f44c9f | 74 | |
dirkx | 0:355018f44c9f | 75 | //High Level setup functions |
dirkx | 0:355018f44c9f | 76 | MySQLResult MySQLClient::open(Host& host, const string& user, const string& password, const string& db, void (*pMethod)(MySQLResult)) //Non blocking |
dirkx | 0:355018f44c9f | 77 | { |
dirkx | 0:355018f44c9f | 78 | setOnResult(pMethod); |
dirkx | 0:355018f44c9f | 79 | setup(host, user, password, db); |
dirkx | 0:355018f44c9f | 80 | return MYSQL_PROCESSING; |
dirkx | 0:355018f44c9f | 81 | } |
dirkx | 0:355018f44c9f | 82 | |
dirkx | 0:355018f44c9f | 83 | #if 0 //Ref only |
dirkx | 0:355018f44c9f | 84 | template<class T> |
dirkx | 0:355018f44c9f | 85 | MySQLResult MySQLClient::open(Host& host, const string& user, const string& password, const string& db, T* pItem, void (T::*pMethod)(MySQLResult)) //Non blocking |
dirkx | 0:355018f44c9f | 86 | { |
dirkx | 0:355018f44c9f | 87 | setOnResult(pItem, pMethod); |
dirkx | 0:355018f44c9f | 88 | setup(host, user, password, db); |
dirkx | 0:355018f44c9f | 89 | return MYSQL_PROCESSING; |
dirkx | 0:355018f44c9f | 90 | } |
dirkx | 0:355018f44c9f | 91 | #endif |
dirkx | 0:355018f44c9f | 92 | |
dirkx | 0:355018f44c9f | 93 | MySQLResult MySQLClient::sql(string& sqlCommand) |
dirkx | 0:355018f44c9f | 94 | { |
dirkx | 0:355018f44c9f | 95 | if(m_state!=MYSQL_COMMANDS) |
dirkx | 0:355018f44c9f | 96 | return MYSQL_SETUP; |
dirkx | 0:355018f44c9f | 97 | sendCommand(COM_QUERY, (byte*)sqlCommand.data(), sqlCommand.length()); |
dirkx | 0:355018f44c9f | 98 | return MYSQL_PROCESSING; |
dirkx | 0:355018f44c9f | 99 | } |
dirkx | 0:355018f44c9f | 100 | |
dirkx | 0:355018f44c9f | 101 | MySQLResult MySQLClient::exit() |
dirkx | 0:355018f44c9f | 102 | { |
dirkx | 0:355018f44c9f | 103 | sendCommand(COM_QUIT, NULL, 0); |
dirkx | 0:355018f44c9f | 104 | close(); |
dirkx | 0:355018f44c9f | 105 | return MYSQL_OK; |
dirkx | 0:355018f44c9f | 106 | } |
dirkx | 0:355018f44c9f | 107 | |
dirkx | 0:355018f44c9f | 108 | void MySQLClient::setOnResult( void (*pMethod)(MySQLResult) ) |
dirkx | 0:355018f44c9f | 109 | { |
dirkx | 0:355018f44c9f | 110 | m_pCb = pMethod; |
dirkx | 0:355018f44c9f | 111 | m_pCbItem = NULL; |
dirkx | 0:355018f44c9f | 112 | m_pCbMeth = NULL; |
dirkx | 0:355018f44c9f | 113 | } |
dirkx | 0:355018f44c9f | 114 | |
dirkx | 0:355018f44c9f | 115 | #if 0 //Ref only |
dirkx | 0:355018f44c9f | 116 | template<class T> |
dirkx | 0:355018f44c9f | 117 | void MySQLClient::setOnResult( T* pItem, void (T::*pMethod)(MySQLResult) ) |
dirkx | 0:355018f44c9f | 118 | { |
dirkx | 0:355018f44c9f | 119 | m_pCb = NULL; |
dirkx | 0:355018f44c9f | 120 | m_pCbItem = (CDummy*) pItem; |
dirkx | 0:355018f44c9f | 121 | m_pCbMeth = (void (CDummy::*)(MySQLResult)) pMethod; |
dirkx | 0:355018f44c9f | 122 | } |
dirkx | 0:355018f44c9f | 123 | #endif |
dirkx | 0:355018f44c9f | 124 | |
dirkx | 0:355018f44c9f | 125 | void MySQLClient::setTimeout(int ms) |
dirkx | 0:355018f44c9f | 126 | { |
dirkx | 0:355018f44c9f | 127 | m_timeout = 1000*ms; |
dirkx | 0:355018f44c9f | 128 | } |
dirkx | 0:355018f44c9f | 129 | |
dirkx | 0:355018f44c9f | 130 | void MySQLClient::poll() //Called by NetServices |
dirkx | 0:355018f44c9f | 131 | { |
dirkx | 0:355018f44c9f | 132 | if(m_closed) |
dirkx | 0:355018f44c9f | 133 | { |
dirkx | 0:355018f44c9f | 134 | return; |
dirkx | 0:355018f44c9f | 135 | } |
dirkx | 0:355018f44c9f | 136 | if(m_watchdog.read_us()>m_timeout) |
dirkx | 0:355018f44c9f | 137 | { |
dirkx | 0:355018f44c9f | 138 | onTimeout(); |
dirkx | 0:355018f44c9f | 139 | } |
dirkx | 0:355018f44c9f | 140 | } |
dirkx | 0:355018f44c9f | 141 | |
dirkx | 0:355018f44c9f | 142 | void MySQLClient::resetTimeout() |
dirkx | 0:355018f44c9f | 143 | { |
dirkx | 0:355018f44c9f | 144 | m_watchdog.reset(); |
dirkx | 0:355018f44c9f | 145 | m_watchdog.start(); |
dirkx | 0:355018f44c9f | 146 | } |
dirkx | 0:355018f44c9f | 147 | |
dirkx | 0:355018f44c9f | 148 | void MySQLClient::init() |
dirkx | 0:355018f44c9f | 149 | { |
dirkx | 0:355018f44c9f | 150 | close(); //Remove previous elements |
dirkx | 0:355018f44c9f | 151 | if(!m_closed) //Already opened |
dirkx | 0:355018f44c9f | 152 | return; |
dirkx | 0:355018f44c9f | 153 | m_state = MYSQL_HANDSHAKE; |
dirkx | 0:355018f44c9f | 154 | m_pTCPSocket = new TCPSocket; |
dirkx | 0:355018f44c9f | 155 | m_pTCPSocket->setOnEvent(this, &MySQLClient::onTCPSocketEvent); |
dirkx | 0:355018f44c9f | 156 | m_closed = false; |
dirkx | 0:355018f44c9f | 157 | } |
dirkx | 0:355018f44c9f | 158 | |
dirkx | 0:355018f44c9f | 159 | void MySQLClient::close() |
dirkx | 0:355018f44c9f | 160 | { |
dirkx | 0:355018f44c9f | 161 | if(m_closed) |
dirkx | 0:355018f44c9f | 162 | return; |
dirkx | 0:355018f44c9f | 163 | m_state = MYSQL_CLOSED; |
dirkx | 0:355018f44c9f | 164 | m_closed = true; //Prevent recursive calling or calling on an object being destructed by someone else |
dirkx | 0:355018f44c9f | 165 | m_watchdog.stop(); //Stop timeout |
dirkx | 0:355018f44c9f | 166 | m_watchdog.reset(); |
dirkx | 0:355018f44c9f | 167 | m_pTCPSocket->resetOnEvent(); |
dirkx | 0:355018f44c9f | 168 | m_pTCPSocket->close(); |
dirkx | 0:355018f44c9f | 169 | delete m_pTCPSocket; |
dirkx | 0:355018f44c9f | 170 | m_pTCPSocket = NULL; |
dirkx | 0:355018f44c9f | 171 | if( m_pDnsReq ) |
dirkx | 0:355018f44c9f | 172 | { |
dirkx | 0:355018f44c9f | 173 | m_pDnsReq->close(); |
dirkx | 0:355018f44c9f | 174 | delete m_pDnsReq; |
dirkx | 0:355018f44c9f | 175 | m_pDnsReq = NULL; |
dirkx | 0:355018f44c9f | 176 | } |
dirkx | 0:355018f44c9f | 177 | } |
dirkx | 0:355018f44c9f | 178 | |
dirkx | 0:355018f44c9f | 179 | void MySQLClient::setup(Host& host, const string& user, const string& password, const string& db) //Setup connection, make DNS Req if necessary |
dirkx | 0:355018f44c9f | 180 | { |
dirkx | 0:355018f44c9f | 181 | init(); //Initialize client in known state, create socket |
dirkx | 0:355018f44c9f | 182 | resetTimeout(); |
dirkx | 0:355018f44c9f | 183 | m_host = host; |
dirkx | 0:355018f44c9f | 184 | if(!host.getPort()) |
dirkx | 0:355018f44c9f | 185 | host.setPort( MYSQL_PORT ); //Default port |
dirkx | 0:355018f44c9f | 186 | |
dirkx | 0:355018f44c9f | 187 | m_user = user; |
dirkx | 0:355018f44c9f | 188 | m_password = password; |
dirkx | 0:355018f44c9f | 189 | |
dirkx | 0:355018f44c9f | 190 | m_db = db; |
dirkx | 0:355018f44c9f | 191 | |
dirkx | 0:355018f44c9f | 192 | IpAddr ip; |
dirkx | 0:355018f44c9f | 193 | if( !host.getIp().isNull() ) |
dirkx | 0:355018f44c9f | 194 | { |
dirkx | 0:355018f44c9f | 195 | connect(); |
dirkx | 0:355018f44c9f | 196 | } |
dirkx | 0:355018f44c9f | 197 | else //Need to do a DNS Query... |
dirkx | 0:355018f44c9f | 198 | { |
dirkx | 0:355018f44c9f | 199 | DBG("\r\nDNS Query...\r\n"); |
dirkx | 0:355018f44c9f | 200 | m_pDnsReq = new DNSRequest(); |
dirkx | 0:355018f44c9f | 201 | m_pDnsReq->setOnReply(this, &MySQLClient::onDNSReply); |
dirkx | 0:355018f44c9f | 202 | m_pDnsReq->resolve(&m_host); |
dirkx | 0:355018f44c9f | 203 | DBG("\r\nMySQLClient : DNSRequest %p\r\n", m_pDnsReq); |
dirkx | 0:355018f44c9f | 204 | } |
dirkx | 0:355018f44c9f | 205 | } |
dirkx | 0:355018f44c9f | 206 | |
dirkx | 0:355018f44c9f | 207 | void MySQLClient::connect() //Start Connection |
dirkx | 0:355018f44c9f | 208 | { |
dirkx | 0:355018f44c9f | 209 | resetTimeout(); |
dirkx | 0:355018f44c9f | 210 | DBG("\r\nConnecting...\r\n"); |
dirkx | 0:355018f44c9f | 211 | m_pTCPSocket->connect(m_host); |
dirkx | 0:355018f44c9f | 212 | m_packetId = 0; |
dirkx | 0:355018f44c9f | 213 | } |
dirkx | 0:355018f44c9f | 214 | |
dirkx | 0:355018f44c9f | 215 | void MySQLClient::handleHandshake() |
dirkx | 0:355018f44c9f | 216 | { |
dirkx | 0:355018f44c9f | 217 | readData(); |
dirkx | 0:355018f44c9f | 218 | if( ! (( m_len > 1 ) && ( memchr( m_buf + 1, 0, m_len ) != NULL )) ) |
dirkx | 0:355018f44c9f | 219 | { |
dirkx | 0:355018f44c9f | 220 | DBG("Connected but could not find pcsz...\n"); |
dirkx | 0:355018f44c9f | 221 | onResult(MYSQL_PRTCL); |
dirkx | 0:355018f44c9f | 222 | return; |
dirkx | 0:355018f44c9f | 223 | } |
dirkx | 0:355018f44c9f | 224 | |
dirkx | 0:355018f44c9f | 225 | DBG("Connected to server: %d bytes read ; Protocol version %d, mysql-%s.\n", m_len, m_buf[0], &m_buf[1]); |
dirkx | 0:355018f44c9f | 226 | |
dirkx | 0:355018f44c9f | 227 | m_pPos = (byte*) memchr( (char*)(m_buf + 1), 0, m_len ) + 1; |
dirkx | 0:355018f44c9f | 228 | |
dirkx | 0:355018f44c9f | 229 | sendAuth(); |
dirkx | 0:355018f44c9f | 230 | } |
dirkx | 0:355018f44c9f | 231 | |
dirkx | 0:355018f44c9f | 232 | void MySQLClient::sendAuth() |
dirkx | 0:355018f44c9f | 233 | { |
dirkx | 0:355018f44c9f | 234 | if( m_len - (m_pPos - m_buf) != 44) |
dirkx | 0:355018f44c9f | 235 | { |
dirkx | 0:355018f44c9f | 236 | //We only support protocol >= mysql-4.1 |
dirkx | 0:355018f44c9f | 237 | DBG("Message after pcsz has wrong len (%d != 44)...\n", m_len - (m_pPos - m_buf)); |
dirkx | 0:355018f44c9f | 238 | onResult(MYSQL_PRTCL); |
dirkx | 0:355018f44c9f | 239 | return; |
dirkx | 0:355018f44c9f | 240 | } |
dirkx | 0:355018f44c9f | 241 | |
dirkx | 0:355018f44c9f | 242 | uint16_t serverFlags = *((uint16_t*)&m_pPos[13]); |
dirkx | 0:355018f44c9f | 243 | DBG("Server capabilities are %04X.\n", serverFlags); |
dirkx | 0:355018f44c9f | 244 | |
dirkx | 0:355018f44c9f | 245 | uint32_t clientFlags = CLIENT_CONNECT_WITH_DB | CLIENT_PROTOCOL_41 | CLIENT_SECURE_CONNECTION | CLIENT_INTERACTIVE;; |
dirkx | 0:355018f44c9f | 246 | |
dirkx | 0:355018f44c9f | 247 | //if(serverFlags & CLIENT_LONG_PASSWORD) |
dirkx | 0:355018f44c9f | 248 | |
dirkx | 0:355018f44c9f | 249 | DBG("Using auth 4.1+\n"); |
dirkx | 0:355018f44c9f | 250 | //Encrypt pw using scramble |
dirkx | 0:355018f44c9f | 251 | byte scramble[20+20]={0}; |
dirkx | 0:355018f44c9f | 252 | memcpy(scramble, m_pPos+4, 8); |
dirkx | 0:355018f44c9f | 253 | memcpy(scramble+8, m_pPos+31, 12); // *(m_pPos+43) == 0 (zero-terminated char*) |
dirkx | 0:355018f44c9f | 254 | |
dirkx | 0:355018f44c9f | 255 | byte stage1_hash[20] = {0}; |
dirkx | 0:355018f44c9f | 256 | sha1( (byte*)m_password.data(), m_password.length(), stage1_hash ); |
dirkx | 0:355018f44c9f | 257 | |
dirkx | 0:355018f44c9f | 258 | sha1( stage1_hash, 20, ((byte*)scramble + 20) ); |
dirkx | 0:355018f44c9f | 259 | |
dirkx | 0:355018f44c9f | 260 | byte token[20] = {0}; |
dirkx | 0:355018f44c9f | 261 | sha1( scramble, 40, token ); |
dirkx | 0:355018f44c9f | 262 | |
dirkx | 0:355018f44c9f | 263 | for(int i=0;i<20;i++) |
dirkx | 0:355018f44c9f | 264 | token[i] = token[i] ^ stage1_hash[i]; |
dirkx | 0:355018f44c9f | 265 | |
dirkx | 0:355018f44c9f | 266 | clientFlags |= CLIENT_LONG_PASSWORD; |
dirkx | 0:355018f44c9f | 267 | |
dirkx | 0:355018f44c9f | 268 | DBG("Building response\n"); |
dirkx | 0:355018f44c9f | 269 | //Build response |
dirkx | 0:355018f44c9f | 270 | |
dirkx | 0:355018f44c9f | 271 | //BE |
dirkx | 0:355018f44c9f | 272 | *((uint32_t*)&m_buf[0]) = htonl(clientFlags); |
dirkx | 0:355018f44c9f | 273 | *((uint32_t*)&m_buf[4]) = BUF_SIZE; //Max packets size |
dirkx | 0:355018f44c9f | 274 | m_buf[8] = 8; //latin1 charset |
dirkx | 0:355018f44c9f | 275 | memset((char*)(m_buf+9),0,23); |
dirkx | 0:355018f44c9f | 276 | strcpy((char*)(m_buf+32),m_user.c_str()); |
dirkx | 0:355018f44c9f | 277 | m_pPos = m_buf + 32 + m_user.length() + 1; |
dirkx | 0:355018f44c9f | 278 | m_pPos[0] = 20; |
dirkx | 0:355018f44c9f | 279 | memcpy((char*)&m_pPos[1],token,20); |
dirkx | 0:355018f44c9f | 280 | strcpy((char*)(m_pPos+21),m_db.c_str()); |
dirkx | 0:355018f44c9f | 281 | m_len = 32 + m_user.length() + 1 + 21 + m_db.length() + 1; |
dirkx | 0:355018f44c9f | 282 | |
dirkx | 0:355018f44c9f | 283 | //Save first part of scramble in case we need it again |
dirkx | 0:355018f44c9f | 284 | memcpy(&m_buf[BUF_SIZE-8], scramble, 8); |
dirkx | 0:355018f44c9f | 285 | |
dirkx | 0:355018f44c9f | 286 | m_state = MYSQL_AUTH; |
dirkx | 0:355018f44c9f | 287 | |
dirkx | 0:355018f44c9f | 288 | DBG("Writing data\n"); |
dirkx | 0:355018f44c9f | 289 | writeData(); |
dirkx | 0:355018f44c9f | 290 | } |
dirkx | 0:355018f44c9f | 291 | |
dirkx | 0:355018f44c9f | 292 | void MySQLClient::handleAuthResult() |
dirkx | 0:355018f44c9f | 293 | { |
dirkx | 0:355018f44c9f | 294 | readData(); |
dirkx | 0:355018f44c9f | 295 | if(m_len==1 && *m_buf==0xfe) |
dirkx | 0:355018f44c9f | 296 | { |
dirkx | 0:355018f44c9f | 297 | //Re-send auth using 4.0- auth |
dirkx | 0:355018f44c9f | 298 | sendAuth323(); |
dirkx | 0:355018f44c9f | 299 | return; |
dirkx | 0:355018f44c9f | 300 | } |
dirkx | 0:355018f44c9f | 301 | m_watchdog.stop(); //Stop timeout |
dirkx | 0:355018f44c9f | 302 | m_watchdog.reset(); |
dirkx | 0:355018f44c9f | 303 | if(m_len<2) |
dirkx | 0:355018f44c9f | 304 | { |
dirkx | 0:355018f44c9f | 305 | DBG("Response too short..\n"); |
dirkx | 0:355018f44c9f | 306 | onResult(MYSQL_PRTCL); |
dirkx | 0:355018f44c9f | 307 | return; |
dirkx | 0:355018f44c9f | 308 | } |
dirkx | 0:355018f44c9f | 309 | DBG("RC=%d ",m_buf[0]); |
dirkx | 0:355018f44c9f | 310 | if(m_buf[0]==0) |
dirkx | 0:355018f44c9f | 311 | { |
dirkx | 0:355018f44c9f | 312 | m_buf[m_len] = 0; |
dirkx | 0:355018f44c9f | 313 | m_pPos = m_buf + 1; |
dirkx | 0:355018f44c9f | 314 | m_pPos += m_buf[1] +1; |
dirkx | 0:355018f44c9f | 315 | m_pPos += m_pPos[0]; |
dirkx | 0:355018f44c9f | 316 | m_pPos += 1; |
dirkx | 0:355018f44c9f | 317 | DBG("(OK) : Server status %d, Message : %s\n", *((uint16_t*)&m_pPos[0]), m_pPos+4); |
dirkx | 0:355018f44c9f | 318 | onResult(MYSQL_OK); |
dirkx | 0:355018f44c9f | 319 | } |
dirkx | 0:355018f44c9f | 320 | else |
dirkx | 0:355018f44c9f | 321 | { |
dirkx | 0:355018f44c9f | 322 | m_buf[m_len] = 0; |
dirkx | 0:355018f44c9f | 323 | DBG("(Error %d) : %s\n", *((uint16_t*)&m_buf[1]), &m_buf[9]); //LE |
dirkx | 0:355018f44c9f | 324 | onResult(MYSQL_AUTHFAILED); |
dirkx | 0:355018f44c9f | 325 | return; |
dirkx | 0:355018f44c9f | 326 | } |
dirkx | 0:355018f44c9f | 327 | m_state = MYSQL_COMMANDS; |
dirkx | 0:355018f44c9f | 328 | } |
dirkx | 0:355018f44c9f | 329 | |
dirkx | 0:355018f44c9f | 330 | void MySQLClient::sendAuth323() |
dirkx | 0:355018f44c9f | 331 | { |
dirkx | 0:355018f44c9f | 332 | DBG("Using auth 4.0-\n"); |
dirkx | 0:355018f44c9f | 333 | byte scramble[8]={0}; |
dirkx | 0:355018f44c9f | 334 | |
dirkx | 0:355018f44c9f | 335 | memcpy(scramble, &m_buf[BUF_SIZE-8], 8); //Recover scramble |
dirkx | 0:355018f44c9f | 336 | |
dirkx | 0:355018f44c9f | 337 | //memcpy(scramble+8, m_pPos+31, 12); // *(m_pPos+43) == 0 (zero-terminated char*) |
dirkx | 0:355018f44c9f | 338 | |
dirkx | 0:355018f44c9f | 339 | byte token[9]={0}; |
dirkx | 0:355018f44c9f | 340 | |
dirkx | 0:355018f44c9f | 341 | scramble_323((char*)token, (const char*)scramble, m_password.c_str()); |
dirkx | 0:355018f44c9f | 342 | |
dirkx | 0:355018f44c9f | 343 | DBG("Building response\n"); |
dirkx | 0:355018f44c9f | 344 | //Build response |
dirkx | 0:355018f44c9f | 345 | |
dirkx | 0:355018f44c9f | 346 | memcpy((char*)m_buf,token,9); |
dirkx | 0:355018f44c9f | 347 | m_len = 9; |
dirkx | 0:355018f44c9f | 348 | |
dirkx | 0:355018f44c9f | 349 | #if 0 |
dirkx | 0:355018f44c9f | 350 | *((uint32_t*)&m_buf[0]) = htonl(clientFlags); |
dirkx | 0:355018f44c9f | 351 | *((uint32_t*)&m_buf[4]) = BUF_SIZE; //Max packets size |
dirkx | 0:355018f44c9f | 352 | m_buf[8] = 8; //latin1 charset |
dirkx | 0:355018f44c9f | 353 | memset((char*)(m_buf+9),0,23); |
dirkx | 0:355018f44c9f | 354 | strcpy((char*)(m_buf+32),m_user.c_str()); |
dirkx | 0:355018f44c9f | 355 | m_pPos = m_buf + 32 + m_user.length() + 1; |
dirkx | 0:355018f44c9f | 356 | m_pPos[0] = 8; |
dirkx | 0:355018f44c9f | 357 | memcpy((char*)&m_pPos[1],token+1,8); |
dirkx | 0:355018f44c9f | 358 | strcpy((char*)(m_pPos+9),m_db.c_str()); |
dirkx | 0:355018f44c9f | 359 | m_len = 32 + m_user.length() + 1 + 9 + m_db.length() + 1; |
dirkx | 0:355018f44c9f | 360 | #endif |
dirkx | 0:355018f44c9f | 361 | |
dirkx | 0:355018f44c9f | 362 | DBG("Writing data\n"); |
dirkx | 0:355018f44c9f | 363 | writeData(); |
dirkx | 0:355018f44c9f | 364 | } |
dirkx | 0:355018f44c9f | 365 | |
dirkx | 0:355018f44c9f | 366 | void MySQLClient::sendCommand(byte command, byte* arg, int len) |
dirkx | 0:355018f44c9f | 367 | { |
dirkx | 0:355018f44c9f | 368 | DBG("Sending command %d, payload of len %d\n", command, len); |
dirkx | 0:355018f44c9f | 369 | m_packetId=0;//Reset packet ID (New sequence) |
dirkx | 0:355018f44c9f | 370 | m_buf[0] = command; |
dirkx | 0:355018f44c9f | 371 | memcpy(&m_buf[1], arg, len); |
dirkx | 0:355018f44c9f | 372 | m_len = 1 + len; |
dirkx | 0:355018f44c9f | 373 | writeData(); |
dirkx | 0:355018f44c9f | 374 | m_watchdog.start(); |
dirkx | 0:355018f44c9f | 375 | } |
dirkx | 0:355018f44c9f | 376 | |
dirkx | 0:355018f44c9f | 377 | void MySQLClient::handleCommandResult() |
dirkx | 0:355018f44c9f | 378 | { |
dirkx | 0:355018f44c9f | 379 | readData(); |
dirkx | 0:355018f44c9f | 380 | m_watchdog.stop(); //Stop timeout |
dirkx | 0:355018f44c9f | 381 | m_watchdog.reset(); |
dirkx | 0:355018f44c9f | 382 | if(m_len<2) |
dirkx | 0:355018f44c9f | 383 | { |
dirkx | 0:355018f44c9f | 384 | DBG("Response too short..\n"); |
dirkx | 0:355018f44c9f | 385 | onResult(MYSQL_PRTCL); |
dirkx | 0:355018f44c9f | 386 | return; |
dirkx | 0:355018f44c9f | 387 | } |
dirkx | 0:355018f44c9f | 388 | DBG("RC=%d ",m_buf[0]); |
dirkx | 0:355018f44c9f | 389 | if(m_buf[0]==0) |
dirkx | 0:355018f44c9f | 390 | { |
dirkx | 0:355018f44c9f | 391 | DBG("(OK)\n"); |
dirkx | 0:355018f44c9f | 392 | onResult(MYSQL_OK); |
dirkx | 0:355018f44c9f | 393 | } |
dirkx | 0:355018f44c9f | 394 | else |
dirkx | 0:355018f44c9f | 395 | { |
dirkx | 0:355018f44c9f | 396 | m_buf[m_len] = 0; |
dirkx | 0:355018f44c9f | 397 | DBG("(SQL Error %d) : %s\n", *((uint16_t*)&m_buf[1]), &m_buf[9]); //LE |
dirkx | 0:355018f44c9f | 398 | onResult(MYSQL_SQL); |
dirkx | 0:355018f44c9f | 399 | return; |
dirkx | 0:355018f44c9f | 400 | } |
dirkx | 0:355018f44c9f | 401 | } |
dirkx | 0:355018f44c9f | 402 | |
dirkx | 0:355018f44c9f | 403 | void MySQLClient::readData() //Copy to buf |
dirkx | 0:355018f44c9f | 404 | { |
dirkx | 0:355018f44c9f | 405 | byte head[4]; |
dirkx | 0:355018f44c9f | 406 | int ret = m_pTCPSocket->recv((char*)head, 4); //Packet header |
dirkx | 0:355018f44c9f | 407 | m_len = *((uint16_t*)&head[0]); |
dirkx | 0:355018f44c9f | 408 | m_packetId = head[3]; |
dirkx | 0:355018f44c9f | 409 | DBG("Packet Id %d of length %d\n", head[3], m_len); |
dirkx | 0:355018f44c9f | 410 | m_packetId++; |
dirkx | 0:355018f44c9f | 411 | if(ret>0) |
dirkx | 0:355018f44c9f | 412 | ret = m_pTCPSocket->recv((char*)m_buf, m_len); |
dirkx | 0:355018f44c9f | 413 | if(ret < 0)//Error |
dirkx | 0:355018f44c9f | 414 | { |
dirkx | 0:355018f44c9f | 415 | onResult(MYSQL_CONN); |
dirkx | 0:355018f44c9f | 416 | return; |
dirkx | 0:355018f44c9f | 417 | } |
dirkx | 0:355018f44c9f | 418 | if(ret < m_len) |
dirkx | 0:355018f44c9f | 419 | { |
dirkx | 0:355018f44c9f | 420 | DBG("WARN: Incomplete packet\n"); |
dirkx | 0:355018f44c9f | 421 | } |
dirkx | 0:355018f44c9f | 422 | m_len = ret; |
dirkx | 0:355018f44c9f | 423 | } |
dirkx | 0:355018f44c9f | 424 | |
dirkx | 0:355018f44c9f | 425 | void MySQLClient::writeData() //Copy from buf |
dirkx | 0:355018f44c9f | 426 | { |
dirkx | 0:355018f44c9f | 427 | byte head[4] = { 0 }; |
dirkx | 0:355018f44c9f | 428 | *((uint16_t*)&head[0]) = m_len; |
dirkx | 0:355018f44c9f | 429 | head[3] = m_packetId; |
dirkx | 0:355018f44c9f | 430 | DBG("Packet Id %d\n", head[3]); |
dirkx | 0:355018f44c9f | 431 | m_packetId++; |
dirkx | 0:355018f44c9f | 432 | int ret = m_pTCPSocket->send((char*)head, 4); //Packet header |
dirkx | 0:355018f44c9f | 433 | if(ret>0) |
dirkx | 0:355018f44c9f | 434 | ret = m_pTCPSocket->send((char*)m_buf, m_len); |
dirkx | 0:355018f44c9f | 435 | if(ret < 0)//Error |
dirkx | 0:355018f44c9f | 436 | { |
dirkx | 0:355018f44c9f | 437 | onResult(MYSQL_CONN); |
dirkx | 0:355018f44c9f | 438 | return; |
dirkx | 0:355018f44c9f | 439 | } |
dirkx | 0:355018f44c9f | 440 | m_len = 0;//FIXME... incomplete packets handling |
dirkx | 0:355018f44c9f | 441 | } |
dirkx | 0:355018f44c9f | 442 | |
dirkx | 0:355018f44c9f | 443 | void MySQLClient::onTCPSocketEvent(TCPSocketEvent e) |
dirkx | 0:355018f44c9f | 444 | { |
dirkx | 0:355018f44c9f | 445 | DBG("\r\nEvent %d in MySQLClient::onTCPSocketEvent()\r\n", e); |
dirkx | 0:355018f44c9f | 446 | |
dirkx | 0:355018f44c9f | 447 | if(m_closed) |
dirkx | 0:355018f44c9f | 448 | { |
dirkx | 0:355018f44c9f | 449 | DBG("\r\nWARN: Discarded\r\n"); |
dirkx | 0:355018f44c9f | 450 | return; |
dirkx | 0:355018f44c9f | 451 | } |
dirkx | 0:355018f44c9f | 452 | |
dirkx | 0:355018f44c9f | 453 | switch(e) |
dirkx | 0:355018f44c9f | 454 | { |
dirkx | 0:355018f44c9f | 455 | case TCPSOCKET_READABLE: //Incoming data |
dirkx | 0:355018f44c9f | 456 | resetTimeout(); |
dirkx | 0:355018f44c9f | 457 | if(m_state == MYSQL_HANDSHAKE) |
dirkx | 0:355018f44c9f | 458 | handleHandshake(); |
dirkx | 0:355018f44c9f | 459 | else if(m_state == MYSQL_AUTH) |
dirkx | 0:355018f44c9f | 460 | handleAuthResult(); |
dirkx | 0:355018f44c9f | 461 | else if(m_state == MYSQL_COMMANDS) |
dirkx | 0:355018f44c9f | 462 | handleCommandResult(); |
dirkx | 0:355018f44c9f | 463 | break; |
dirkx | 0:355018f44c9f | 464 | case TCPSOCKET_WRITEABLE: //We can send data |
dirkx | 0:355018f44c9f | 465 | resetTimeout(); |
dirkx | 0:355018f44c9f | 466 | break; |
dirkx | 0:355018f44c9f | 467 | case TCPSOCKET_CONNECTED: //Connected, wait for handshake packet |
dirkx | 0:355018f44c9f | 468 | resetTimeout(); |
dirkx | 0:355018f44c9f | 469 | break; |
dirkx | 0:355018f44c9f | 470 | case TCPSOCKET_CONTIMEOUT: |
dirkx | 0:355018f44c9f | 471 | case TCPSOCKET_CONRST: |
dirkx | 0:355018f44c9f | 472 | case TCPSOCKET_CONABRT: |
dirkx | 0:355018f44c9f | 473 | case TCPSOCKET_ERROR: |
dirkx | 0:355018f44c9f | 474 | DBG("\r\nConnection error.\r\n"); |
dirkx | 0:355018f44c9f | 475 | onResult(MYSQL_CONN); |
dirkx | 0:355018f44c9f | 476 | case TCPSOCKET_DISCONNECTED: |
dirkx | 0:355018f44c9f | 477 | //There might still be some data available for reading |
dirkx | 0:355018f44c9f | 478 | //So if we are in a reading state, do not close the socket yet |
dirkx | 0:355018f44c9f | 479 | if(m_state != MYSQL_CLOSED) |
dirkx | 0:355018f44c9f | 480 | { |
dirkx | 0:355018f44c9f | 481 | onResult(MYSQL_CONN); |
dirkx | 0:355018f44c9f | 482 | } |
dirkx | 0:355018f44c9f | 483 | DBG("\r\nConnection closed by remote host.\r\n"); |
dirkx | 0:355018f44c9f | 484 | break; |
dirkx | 0:355018f44c9f | 485 | } |
dirkx | 0:355018f44c9f | 486 | } |
dirkx | 0:355018f44c9f | 487 | |
dirkx | 0:355018f44c9f | 488 | void MySQLClient::onDNSReply(DNSReply r) |
dirkx | 0:355018f44c9f | 489 | { |
dirkx | 0:355018f44c9f | 490 | if(m_closed) |
dirkx | 0:355018f44c9f | 491 | { |
dirkx | 0:355018f44c9f | 492 | DBG("\r\nWARN: Discarded\r\n"); |
dirkx | 0:355018f44c9f | 493 | return; |
dirkx | 0:355018f44c9f | 494 | } |
dirkx | 0:355018f44c9f | 495 | |
dirkx | 0:355018f44c9f | 496 | if( r != DNS_FOUND ) |
dirkx | 0:355018f44c9f | 497 | { |
dirkx | 0:355018f44c9f | 498 | DBG("\r\nCould not resolve hostname.\r\n"); |
dirkx | 0:355018f44c9f | 499 | onResult(MYSQL_DNS); |
dirkx | 0:355018f44c9f | 500 | return; |
dirkx | 0:355018f44c9f | 501 | } |
dirkx | 0:355018f44c9f | 502 | |
dirkx | 0:355018f44c9f | 503 | DBG("\r\nDNS Resolved to %d.%d.%d.%d.\r\n",m_host.getIp()[0],m_host.getIp()[1],m_host.getIp()[2],m_host.getIp()[3]); |
dirkx | 0:355018f44c9f | 504 | //If no error, m_host has been updated by m_pDnsReq so we're set to go ! |
dirkx | 0:355018f44c9f | 505 | m_pDnsReq->close(); |
dirkx | 0:355018f44c9f | 506 | delete m_pDnsReq; |
dirkx | 0:355018f44c9f | 507 | m_pDnsReq = NULL; |
dirkx | 0:355018f44c9f | 508 | connect(); |
dirkx | 0:355018f44c9f | 509 | } |
dirkx | 0:355018f44c9f | 510 | |
dirkx | 0:355018f44c9f | 511 | void MySQLClient::onResult(MySQLResult r) //Called when exchange completed or on failure |
dirkx | 0:355018f44c9f | 512 | { |
dirkx | 0:355018f44c9f | 513 | if(m_pCbItem && m_pCbMeth) |
dirkx | 0:355018f44c9f | 514 | (m_pCbItem->*m_pCbMeth)(r); |
dirkx | 0:355018f44c9f | 515 | else if(m_pCb) |
dirkx | 0:355018f44c9f | 516 | m_pCb(r); |
dirkx | 0:355018f44c9f | 517 | |
dirkx | 0:355018f44c9f | 518 | if( (r==MYSQL_DNS) || (r==MYSQL_PRTCL) || (r==MYSQL_AUTHFAILED) || (r==MYSQL_TIMEOUT) || (r==MYSQL_CONN) ) //Fatal error, close connection |
dirkx | 0:355018f44c9f | 519 | close(); |
dirkx | 0:355018f44c9f | 520 | } |
dirkx | 0:355018f44c9f | 521 | |
dirkx | 0:355018f44c9f | 522 | void MySQLClient::onTimeout() //Connection has timed out |
dirkx | 0:355018f44c9f | 523 | { |
dirkx | 0:355018f44c9f | 524 | DBG("\r\nTimed out.\n"); |
dirkx | 0:355018f44c9f | 525 | onResult(MYSQL_DNS); |
dirkx | 0:355018f44c9f | 526 | close(); |
dirkx | 0:355018f44c9f | 527 | } |