This project does not seem to handle request data directly as such no vulnerable execution paths were found.
include
, or for example
via PHP's auto-loading mechanism.
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1 | <?php |
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2 | |||
3 | namespace Posprint\Extras; |
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4 | |||
5 | /** |
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6 | * Serial port control class |
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7 | * |
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8 | * Refactoring from original, https://github.com/Xowap/PHP-Serial, to meet PSR standards |
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9 | * and propose improvements and fixes to the fact that the original is not actively |
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10 | * maintained for many years. |
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11 | * by Roberto L. Machado <linux dot rlm at gmail dot com> |
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12 | * |
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13 | * IMPORTANT: check and adjust permissions for serial port access by server user like www-data |
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14 | * |
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15 | * @author Rémy Sanchez <[email protected]> |
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16 | * @author Rizwan Kassim <[email protected]> |
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17 | * @thanks Aurélien Derouineau for finding how to open serial ports with windows |
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18 | * @thanks Alec Avedisyan for help and testing with reading |
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19 | * @thanks Jim Wright for OSX cleanup/fixes. |
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20 | * @copyright under GPL 2 licence |
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21 | */ |
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22 | |||
23 | use RuntimeException; |
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24 | |||
25 | class PhpSerial |
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26 | { |
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27 | const OS_UNKNOWN = 0; |
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28 | const OS_WIN = 1; //WINS32 WINNT Windows |
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29 | const OS_LINUX = 2; |
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30 | const OS_CYGWIN = 3; //Cygwin Windows Linux like commands |
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31 | const OS_UNIX = 4; |
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32 | const OS_BSD = 5; //FreeBSD or NetBSD or OpenBSD /dev/ttyu1 |
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33 | const OS_OSX = 6; //Darwin MacOS |
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34 | const OS_HPUX = 7; //tty1p0 |
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35 | const SERIAL_DEVICE_NOTSET = 0; |
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36 | const SERIAL_DEVICE_SET = 1; |
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37 | const SERIAL_DEVICE_OPENED = 2; |
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38 | const PARITY_NONE = 0; |
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39 | const PARITY_ODD = 1; |
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40 | const PARITY_EVEN = 2; |
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41 | const FLOW_NONE = 0; //no flow control |
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42 | const FLOW_RTSCTS = 1; // use RTS/CTS handshaking |
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43 | const FLOW_XONXOFF = 2; //use XON/XOFF protocol |
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44 | |||
45 | /** |
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46 | * Pointer for device |
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47 | * @var resource|bool |
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48 | */ |
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49 | protected $handle = false; |
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50 | /** |
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51 | * Data buffer |
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52 | * @var string |
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53 | */ |
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54 | protected $buffer = ""; |
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55 | /** |
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56 | * This var says if buffer should be flushed by write (true) or |
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57 | * manually (false) |
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58 | * @var bool |
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59 | */ |
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60 | protected $autoflush = false; |
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61 | /** |
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62 | * Wait time after send data to serial |
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63 | * @var float |
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64 | */ |
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65 | protected $waittime = 0.1; |
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66 | /** |
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67 | * OS type where php is running |
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68 | * linux is default |
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69 | * @var int |
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70 | */ |
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71 | protected $ostype = 2; |
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72 | /** |
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73 | * Mode command to set up serial port |
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74 | * formated device mode for especific OS use |
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75 | * @var string|null |
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76 | */ |
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77 | protected $mode = ''; |
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78 | /** |
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79 | * Status of port |
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80 | * NoSet, Set or Open |
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81 | * @var int|null |
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82 | */ |
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83 | protected $state = self::SERIAL_DEVICE_NOTSET; |
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84 | /** |
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85 | * Port name |
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86 | * @var string|null |
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87 | */ |
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88 | protected $port = '/dev/ttyS0'; |
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89 | /** |
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90 | * Data bits |
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91 | * @var int|null |
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92 | */ |
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93 | protected $databits = 8; |
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94 | /** |
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95 | * Baud Rate |
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96 | * @var int|null |
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97 | */ |
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98 | protected $baudrate = 9600; |
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99 | /** |
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100 | * Parity |
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101 | * @var int|null |
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102 | */ |
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103 | protected $parity = self::PARITY_NONE; |
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104 | /** |
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105 | * Stop Bits |
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106 | * @var int|null |
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107 | */ |
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108 | protected $stopbits = 1; |
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109 | /** |
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110 | * Flow Control |
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111 | * @var int|null |
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112 | */ |
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113 | protected $flowcontrol = self::FLOW_NONE; |
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114 | /** |
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115 | * Formated device name command |
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116 | * @var string|null |
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117 | */ |
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118 | protected $device = '/dev/ttyS0'; |
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119 | /** |
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120 | * Formated Data Bits command |
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121 | * |
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122 | * @var string|null |
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123 | */ |
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124 | protected $formatedDataBits = 'cs8'; |
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125 | /** |
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126 | * Formated Baud Rate command |
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127 | * @var string|null |
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128 | */ |
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129 | protected $formatedBaudRate = '9600'; |
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130 | /** |
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131 | * Formated parity command |
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132 | * @var string|null |
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133 | */ |
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134 | protected $formatedParity = '-parenb'; |
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135 | /** |
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136 | * Formated stop bits command |
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137 | * @var string|null |
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138 | */ |
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139 | protected $formatedStopBits = '-cstopb'; |
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140 | /** |
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141 | * Formated flow control command |
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142 | * @var string|null |
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143 | */ |
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144 | protected $formatedFlowControl = 'clocal -crtscts -ixon -ixoff'; |
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145 | |||
146 | /** |
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147 | * Parity data |
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148 | * |
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149 | * @var array |
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150 | */ |
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151 | private $parityargs = [ |
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152 | "none" => [0, "-parenb"], |
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153 | "odd" => [1, "parenb parodd"], |
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154 | "even" => [2, "parenb -parodd"] |
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155 | ]; |
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156 | |||
157 | /** |
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158 | * Basud Rate data |
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159 | * |
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160 | * @var array |
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161 | */ |
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162 | private $baudsargs = array ( |
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163 | 110 => 11, |
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164 | 150 => 15, |
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165 | 300 => 30, |
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166 | 600 => 60, |
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167 | 1200 => 12, |
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168 | 2400 => 24, |
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169 | 4800 => 48, |
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170 | 9600 => 96, |
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171 | 19200 => 19, |
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172 | 38400 => 38400, |
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173 | 57600 => 57600, |
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174 | 115200 => 115200 |
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175 | ); |
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176 | |||
177 | /** |
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178 | * Constructor |
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179 | * Set ostype parameter |
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180 | * @param int $forceOS |
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181 | */ |
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182 | public function __construct($forceOS = null) |
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183 | { |
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184 | if (! is_null($forceOS)) { |
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185 | if ($this->ostype !== $forceOS && ($forceOS > 0 && $forceOS < 8)) { |
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186 | $this->ostype = $forceOS; |
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187 | //clear params |
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188 | $this->clearParams(); |
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189 | } |
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190 | } else { |
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191 | $this->ostype = $this->getOs(); |
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192 | } |
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193 | } |
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194 | |||
195 | /** |
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196 | * Clear class params |
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197 | * Used for testing proporses |
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198 | */ |
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199 | protected function clearParams() |
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200 | { |
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201 | $this->mode = null; |
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202 | $this->state = null; |
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203 | $this->port = null; |
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204 | 15 | $this->databits = null; |
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205 | $this->baudrate = null; |
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206 | 15 | $this->parity = null; |
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207 | $this->stopbits = null; |
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208 | $this->flowcontrol = null; |
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209 | $this->device = null; |
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210 | $this->formatedDataBits = null; |
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211 | $this->formatedBaudRate = null; |
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212 | $this->formatedParity = null; |
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213 | 15 | $this->formatedStopBits = null; |
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214 | $this->formatedFlowControl = null; |
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215 | 15 | } |
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216 | |||
217 | /** |
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218 | * Close port |
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219 | */ |
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220 | public function __destruct() |
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221 | { |
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222 | $this->close(); |
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223 | } |
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224 | |||
225 | /** |
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226 | * Open set port |
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227 | * @return boolean |
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228 | */ |
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229 | public function open() |
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230 | { |
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231 | if ($this->state === self::SERIAL_DEVICE_OPENED && is_resource($this->handle)) { |
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232 | return true; |
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233 | } |
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234 | $timeout = 10; //seconds |
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235 | for ($i = 0; $i < $timeout; $i++) { |
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236 | $this->handle = @fopen($this->device, 'r+bn'); |
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237 | if ($this->handle) { |
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238 | break; |
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239 | } |
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240 | sleep(1); |
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241 | } |
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242 | 15 | if ($this->handle === false) { |
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243 | $this->state = self::SERIAL_DEVICE_NOTSET; |
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244 | 15 | throw new RuntimeException('Fail to open device. Check permissions.'); |
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245 | 15 | } |
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246 | stream_set_blocking($this->handle, false); |
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247 | $this->state = self::SERIAL_DEVICE_OPENED; |
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248 | return true; |
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249 | } |
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250 | |||
251 | /** |
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252 | 2 | * Close serial port |
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253 | * |
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254 | 2 | * @return boolean |
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255 | */ |
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256 | public function close() |
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257 | 2 | { |
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258 | 2 | if ($this->state !== self::SERIAL_DEVICE_OPENED || ! is_resource($this->handle)) { |
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259 | 2 | return true; |
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260 | 2 | } |
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261 | 1 | if (fclose($this->handle)) { |
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262 | $this->handle = false; |
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263 | 1 | $this->state = self::SERIAL_DEVICE_SET; |
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264 | 1 | return true; |
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265 | 2 | } |
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266 | 1 | return false; |
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267 | 1 | } |
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268 | 1 | ||
269 | /** |
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270 | 1 | * Returns the setup configuration for serial port |
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271 | 1 | * this command will be exectuted in terminal |
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272 | 1 | * @return string|null |
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273 | */ |
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274 | public function getSetUp() |
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275 | { |
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276 | return $this->mode; |
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277 | } |
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278 | |||
279 | /** |
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280 | 15 | * Use class parameters to configure the serial port |
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281 | * before the serial port is opened it must be configured, |
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282 | 15 | * and in windows environment, all sets at a single time |
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283 | 14 | * @return bool |
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284 | */ |
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285 | 1 | public function setUp() |
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286 | 1 | { |
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287 | 1 | if ($this->state === self::SERIAL_DEVICE_SET) { |
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288 | 1 | return true; |
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289 | } |
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290 | if ($this->ostype == 0) { |
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291 | return false; |
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292 | } |
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293 | $modesos = [ |
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294 | 1 => 'MODE', //windows mode com4: BAUD=9600 PARITY=n DATA=8 STOP=1 to=off dtr=off rts=off |
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295 | 2 => "stty -F", //linux |
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296 | 3 => "stty -F", //cygwin |
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297 | 4 => 'stty -F', //unix |
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298 | 5 => 'stty -F', //BSD |
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299 | 6 => "stty -f", //MacOS |
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300 | 7 => 'stty -F' //HPUX |
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301 | ]; |
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302 | $mode = $modesos[$this->ostype] |
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303 | . " " |
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304 | . "$this->device " |
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305 | . "$this->formatedBaudRate " |
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306 | . "$this->formatedParity " |
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307 | . "$this->formatedDataBits " |
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308 | . "$this->formatedStopBits " |
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309 | . "$this->formatedFlowControl"; |
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310 | |||
311 | 1 | $out = null; |
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312 | if ($this->execCommand($mode, $out) != 0) { |
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313 | 1 | throw new RuntimeException("SetUP fail with: ".$out[1]); |
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314 | } |
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315 | $this->mode = $mode; |
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316 | 1 | $this->state = self::SERIAL_DEVICE_SET; |
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317 | return true; |
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318 | } |
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319 | |||
320 | 1 | /** |
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321 | 1 | * Set automatic send massage to serial |
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322 | 1 | * @param bool $auto |
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323 | 1 | * @param float $waittime |
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324 | 1 | */ |
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325 | 1 | public function setAuto($auto, $waittime) |
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326 | { |
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327 | 1 | if (! is_bool($auto)) { |
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328 | 1 | $data = false; |
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329 | } |
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330 | 1 | if (! is_float($waittime)) { |
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331 | 1 | $waittime = 0.1; |
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332 | 1 | } |
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333 | 1 | $this->waittime = $waittime; |
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334 | 1 | $this->autoflush = $auto; |
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335 | 1 | } |
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336 | |||
337 | 1 | /** |
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338 | 1 | * Returns automatic mode |
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339 | 1 | * |
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340 | * @return bool |
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341 | */ |
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342 | public function getAuto() |
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343 | { |
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344 | return $this->autoflush; |
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345 | } |
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346 | |||
347 | /** |
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348 | * Read serial port |
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349 | * |
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350 | * @param int $count Number of characters to be read (will stop before |
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351 | * if less characters are in the buffer) |
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352 | * @return string |
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353 | */ |
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354 | public function read($count = 0) |
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355 | { |
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356 | if ($this->state !== self::SERIAL_DEVICE_OPENED) { |
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357 | return ''; |
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358 | } |
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359 | $content = ""; |
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360 | $i = 0; |
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361 | // Windows port reading procedures still buggy |
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362 | // Behavior in OSX isn't to wait for new data to recover, but just |
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363 | // grabs what's there! Doesn't always work perfectly for me in OSX |
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364 | if ($count !== 0) { |
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365 | do { |
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366 | if ($i > $count) { |
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367 | $content .= fread($this->handle, ($count - $i)); |
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368 | } else { |
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369 | $content .= fread($this->handle, 128); |
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370 | } |
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371 | } while (($i += 128) === strlen($content)); |
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372 | return $content; |
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373 | } |
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374 | do { |
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375 | $content .= fread($this->handle, 128); |
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376 | } while (($i += 128) === strlen($content)); |
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377 | return $content; |
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378 | } |
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379 | |||
380 | /** |
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381 | * Write data to buffer or serial port |
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382 | * depends of getAuto() |
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383 | * if getAuto() == true this command writes directly to port |
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384 | * if getAuto() == false this command writes to buffer (default) |
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385 | * @param string $data |
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386 | * @return boolean |
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387 | */ |
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388 | public function write($data) |
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389 | { |
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390 | if ($this->state !== self::SERIAL_DEVICE_OPENED) { |
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391 | return false; |
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392 | } |
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393 | $this->buffer .= $data; |
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394 | if ($this->autoflush === true) { |
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395 | $this->flush(); |
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396 | usleep((int) ($this->waittime * 1000000)); |
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397 | } |
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398 | return true; |
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399 | } |
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400 | |||
401 | /** |
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402 | * Flushs imediatly data to serial port |
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403 | * @return boolean |
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404 | */ |
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405 | public function flush() |
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406 | { |
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407 | if ($this->state !== self::SERIAL_DEVICE_OPENED) { |
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408 | return true; |
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409 | } |
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410 | if (fwrite($this->handle, $this->buffer) !== false) { |
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411 | $this->buffer = ""; |
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412 | return true; |
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413 | } |
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414 | return false; |
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415 | } |
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416 | |||
417 | /** |
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418 | * Set port name |
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419 | * |
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420 | * @param string $port |
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421 | */ |
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422 | public function setPort($port) |
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423 | { |
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424 | //identify input if $port like COM?? even in others OS |
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425 | $flagWinMode = preg_match("@^COM(\d+):?$@i", $port, $matches); |
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426 | //select port from OS type |
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427 | switch ($this->ostype) { |
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428 | case self::OS_WIN: |
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429 | $this->device = ($flagWinMode) ? "COM$matches[1]:" : $port; |
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430 | break; |
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431 | case self::OS_LINUX: |
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432 | case self::OS_CYGWIN: |
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433 | $this->device = ($flagWinMode) ? "/dev/ttyS".($matches[1]-1) : $port; |
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434 | break; |
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435 | case self::OS_UNIX: |
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436 | case self::OS_BSD: |
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437 | case self::OS_OSX: |
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438 | case self::OS_HPUX: |
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439 | default: |
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440 | $this->device = $port; |
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441 | } |
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442 | $this->port = $port; |
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443 | } |
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444 | |||
445 | /** |
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446 | * Returns port name |
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447 | * @return string|null |
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448 | */ |
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449 | public function getPort() |
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450 | { |
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451 | 1 | return $this->port; |
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452 | } |
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453 | |||
454 | 1 | /** |
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455 | * Returns device formated name |
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456 | 1 | * @return string|null |
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457 | 1 | */ |
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458 | public function getDevice() |
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459 | { |
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460 | 1 | return $this->device; |
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461 | 1 | } |
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462 | 1 | ||
463 | 1 | /** |
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464 | * Sets the length of a character. |
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465 | * length of a character (5 <= length <= 8) |
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466 | * |
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467 | * @param int $length |
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468 | * @return boolean |
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469 | */ |
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470 | 1 | public function setDataBits($length) |
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471 | 1 | { |
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472 | 1 | if ($length < 5 || $length > 8) { |
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473 | $length = 8; |
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474 | } |
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475 | $this->databits = $length; |
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476 | $this->formatedDataBits = $this->zDataBits($length); |
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477 | return true; |
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478 | } |
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479 | 1 | ||
480 | /** |
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481 | 1 | * Returns char length |
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482 | * @return int|null |
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483 | */ |
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484 | public function getDataBits() |
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485 | { |
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486 | return $this->databits; |
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487 | } |
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488 | |||
489 | 1 | /** |
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490 | * Format data bits commands |
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491 | 1 | * |
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492 | * @param int $length |
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493 | * @return string |
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494 | */ |
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495 | protected function zDataBits($length) |
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496 | { |
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497 | $fdatabits = "cs$length"; |
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498 | if ($this->ostype == self::OS_WIN) { |
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499 | //windows |
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500 | $fdatabits = "DATA=$length"; |
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501 | 1 | } |
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502 | return $fdatabits; |
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503 | 1 | } |
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504 | |||
505 | /** |
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506 | 1 | * Set serial baud rate |
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507 | 1 | * |
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508 | 1 | * @param int $rate |
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509 | * @return boolean |
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510 | */ |
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511 | public function setBaudRate($rate) |
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512 | { |
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513 | if (! isset($this->baudsargs[$rate])) { |
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514 | $rate = 9600; |
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515 | } |
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516 | 2 | $this->baudrate = $rate; |
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517 | $this->formatedBaudRate = $this->zBaudRate($rate); |
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518 | 2 | return true; |
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519 | } |
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520 | |||
521 | /** |
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522 | * Return baud rate |
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523 | * @return int|null |
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524 | */ |
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525 | public function getBaudRate() |
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526 | { |
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527 | 1 | return $this->baudrate; |
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528 | } |
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529 | 1 | ||
530 | 1 | /** |
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531 | * Format baud rate command |
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532 | * @param int $rate |
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533 | * @return string |
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534 | 1 | */ |
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535 | protected function zBaudRate($rate) |
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536 | { |
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537 | $baud = "$rate"; |
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538 | if ($this->ostype == self::OS_WIN) { |
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539 | //windows |
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540 | $baud = "BAUD=".$this->baudsargs[$rate]; |
||
541 | } |
||
542 | return $baud; |
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543 | 1 | } |
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544 | |||
545 | 1 | ||
546 | /** |
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547 | * Sets parity mode |
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548 | 1 | * |
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549 | 1 | * @param string $parity odd, even, none |
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550 | 1 | * @return boolean |
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551 | */ |
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552 | public function setParity($parity) |
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553 | { |
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554 | if (! isset($this->parityargs[$parity])) { |
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555 | $parity = 'none'; |
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556 | } |
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557 | $this->parity = $this->parityargs[$parity][0]; |
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558 | 2 | $this->formatedParity = $this->zParity($parity); |
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559 | return true; |
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560 | 2 | } |
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561 | |||
562 | /** |
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563 | * Get parity mode set |
||
564 | * |
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565 | * @return string |
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566 | */ |
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567 | public function getParity() |
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568 | { |
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569 | 1 | switch ($this->parity) { |
|
570 | case 0: |
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571 | 1 | return 'none'; |
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572 | 1 | case 1: |
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573 | return 'odd'; |
||
574 | case 2: |
||
575 | return 'even'; |
||
576 | 1 | } |
|
577 | } |
||
578 | |||
579 | /** |
||
580 | * Format parity command |
||
581 | * |
||
582 | * @param string $parity |
||
583 | * @return string |
||
584 | */ |
||
585 | protected function zParity($parity) |
||
586 | 1 | { |
|
587 | $fparity = $this->parityargs[$parity][1]; |
||
588 | 1 | if ($this->ostype == self::OS_WIN) { |
|
589 | //windows |
||
590 | $fparity = "PARITY=" . strtoupper(substr($parity, 0, 1)); |
||
591 | 1 | } |
|
592 | 1 | return $fparity; |
|
593 | 1 | } |
|
594 | |||
595 | |||
596 | /** |
||
597 | * Set length of stop bits |
||
598 | * the length of a stop bit. |
||
599 | * It must be either 1 or 2. |
||
600 | * 1.5 is not supported under linux and on some computers. |
||
601 | 2 | * @param int $length |
|
602 | * @return boolean |
||
603 | 2 | */ |
|
604 | 2 | public function setStopBits($length) |
|
605 | 1 | { |
|
606 | 1 | if ($length != 1 && $length != 2) { |
|
607 | 1 | $length = 1; |
|
608 | } |
||
609 | $this->stopbits = $length; |
||
610 | $this->formatedStopBits = $this->formatStopBits($length); |
||
611 | return true; |
||
612 | } |
||
613 | |||
614 | /** |
||
615 | * Return stop bits set |
||
616 | * @return int|null |
||
617 | */ |
||
618 | public function getStopBits() |
||
619 | 1 | { |
|
620 | return $this->stopbits; |
||
621 | 1 | } |
|
622 | 1 | ||
623 | /** |
||
624 | * Format stop bit command |
||
625 | * @param int $length |
||
626 | 1 | * @return string|null |
|
627 | */ |
||
628 | public function formatStopBits($length) |
||
629 | { |
||
630 | $stopb = (($length == 1) ? "-" : "") . "cstopb"; |
||
631 | if ($this->ostype === self::OS_WIN) { |
||
632 | $stopb = "STOP=" . $length; |
||
633 | } |
||
634 | return $stopb; |
||
635 | } |
||
636 | |||
637 | /** |
||
638 | * Set the flow control mode. |
||
639 | 1 | * Availible modes : |
|
640 | * "none" : no flow control |
||
641 | 1 | * "rts/cts" : use RTS/CTS handshaking |
|
642 | * "xon/xoff" : use XON/XOFF protocol |
||
643 | * @param string $flow |
||
644 | 1 | * @return boolean |
|
645 | 1 | */ |
|
646 | 1 | public function setFlowControl($flow) |
|
647 | { |
||
648 | switch ($flow) { |
||
649 | case 'rts/cts': |
||
650 | $this->flowcontrol = self::FLOW_RTSCTS; |
||
651 | break; |
||
652 | case 'xon/xoff': |
||
653 | $this->flowcontrol = self::FLOW_XONXOFF; |
||
654 | 2 | break; |
|
655 | default: |
||
656 | 2 | $this->flowcontrol = self::FLOW_NONE; |
|
657 | } |
||
658 | $this->formatedFlowControl = $this->zFlowControl($this->flowcontrol); |
||
659 | return true; |
||
660 | } |
||
661 | |||
662 | /** |
||
663 | * Returns flow control set |
||
664 | * @return string |
||
665 | 1 | */ |
|
666 | public function getFlowControl() |
||
667 | 1 | { |
|
668 | 1 | switch ($this->flowcontrol) { |
|
669 | case 0: |
||
0 ignored issues
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show
|
|||
670 | return 'none'; |
||
671 | 1 | case 1: |
|
672 | return 'rts/cts'; |
||
673 | case 2: |
||
674 | return 'xon/xoff'; |
||
675 | } |
||
676 | } |
||
677 | |||
678 | /** |
||
679 | * Return flow control command formated for OP type |
||
680 | * @param int $flow |
||
681 | * @return string |
||
682 | */ |
||
683 | protected function zFlowControl($flow) |
||
684 | 1 | { |
|
685 | $modeos = [ |
||
686 | //windows |
||
687 | 1 | self::OS_WIN => [ |
|
688 | "xon=off octs=off rts=on", |
||
689 | "xon=off octs=on rts=hs", |
||
690 | 1 | "xon=on octs=off rts=on" |
|
691 | 1 | ], |
|
692 | 1 | //linux |
|
693 | self::OS_LINUX => [ |
||
694 | "clocal -crtscts -ixon -ixoff", |
||
695 | "-clocal crtscts -ixon -ixoff", |
||
696 | 1 | "-clocal -crtscts ixon ixoff" |
|
697 | 1 | ], |
|
698 | //cygwin |
||
699 | self::OS_CYGWIN => [ |
||
700 | "clocal -crtscts -ixon -ixoff", |
||
701 | "-clocal crtscts -ixon -ixoff", |
||
702 | "-clocal -crtscts ixon ixoff" |
||
703 | ], |
||
704 | //unix |
||
705 | 2 | self::OS_UNIX => [ |
|
706 | "clocal -crtscts -ixon -ixoff", |
||
707 | 2 | "-clocal crtscts -ixon -ixoff", |
|
708 | 2 | "-clocal -crtscts ixon ixoff" |
|
709 | 1 | ], |
|
710 | 1 | //bsd |
|
711 | self::OS_BSD => [ |
||
712 | 1 | "clocal -crtscts -ixon -ixoff", |
|
713 | 1 | "-clocal crtscts -ixon -ixoff", |
|
714 | "-clocal -crtscts ixon ixoff" |
||
715 | ], |
||
716 | //macos |
||
717 | self::OS_OSX => [ |
||
718 | "clocal -crtscts -ixon -ixoff", |
||
719 | "-clocal crtscts -ixon -ixoff", |
||
720 | "-clocal -crtscts ixon ixoff" |
||
721 | ], |
||
722 | //hpux |
||
723 | 1 | self::OS_HPUX => [ |
|
724 | "clocal -crtscts -ixon -ixoff", |
||
725 | "-clocal crtscts -ixon -ixoff", |
||
726 | "-clocal -crtscts ixon ixoff" |
||
727 | 1 | ] |
|
728 | 1 | ]; |
|
729 | 1 | return $modeos[$this->ostype][$flow]; |
|
730 | } |
||
731 | 1 | ||
732 | /** |
||
733 | 1 | * Find OS type |
|
734 | 1 | * @return int |
|
735 | 1 | */ |
|
736 | protected function getOs() |
||
737 | 1 | { |
|
738 | $oss = strtoupper(substr(PHP_OS, 0, 3)); |
||
739 | 1 | switch ($oss) { |
|
740 | 1 | case 'DAR': |
|
741 | 1 | return self::OS_OSX; |
|
742 | case 'WIN': |
||
743 | 1 | return self::OS_WIN; |
|
744 | case 'LIN': |
||
745 | 1 | return self::OS_LINUX; |
|
746 | 1 | case 'CYG': |
|
747 | 1 | return self::OS_CYGWIN; |
|
748 | case 'HPU': |
||
749 | 1 | return self::OS_HPUX; |
|
750 | case 'BSD': |
||
751 | 1 | return self::OS_BSD; //este esta incorreto |
|
752 | 1 | case 'UNI': |
|
753 | 1 | return self::OS_UNIX; |
|
754 | default: |
||
755 | 1 | return self::OS_UNKNOWN; |
|
756 | } |
||
757 | 1 | } |
|
758 | 1 | ||
759 | 1 | /** |
|
760 | * Exec command line in OS console |
||
761 | 1 | * @param string $cmd comand line to execute |
|
762 | * @param array|null $out return of this command in terminal |
||
763 | 1 | * @return int |
|
764 | 1 | */ |
|
765 | 1 | public function execCommand($cmd, &$out = null) |
|
766 | { |
||
767 | 1 | $desc = array( |
|
768 | 1 | 1 => array("pipe", "w"), |
|
769 | 1 | 2 => array("pipe", "w") |
|
770 | ); |
||
771 | $proc = proc_open($cmd, $desc, $pipes); |
||
772 | $ret = stream_get_contents($pipes[1]); |
||
773 | $err = stream_get_contents($pipes[2]); |
||
774 | fclose($pipes[1]); |
||
775 | fclose($pipes[2]); |
||
776 | $retVal = proc_close($proc); |
||
777 | 15 | if (func_num_args() == 2) { |
|
778 | $out = array($ret, $err); |
||
779 | 15 | } |
|
780 | return $retVal; |
||
781 | 15 | } |
|
782 | } |
||
783 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.