1 // 2 // Copyright (C) 2014 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef APMANAGER_CONFIG_H_ 18 #define APMANAGER_CONFIG_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include <base/macros.h> 24 #include <base/memory/ref_counted.h> 25 #include <brillo/errors/error.h> 26 27 #include "apmanager/config_adaptor_interface.h" 28 29 namespace apmanager { 30 31 class Error; 32 class Device; 33 class Manager; 34 35 class Config { 36 public: 37 Config(Manager* manager, int service_identifier); 38 virtual ~Config(); 39 40 bool ValidateSsid(Error* error, const std::string& value); 41 bool ValidateSecurityMode(Error* error, const std::string& value); 42 bool ValidatePassphrase(Error* error, const std::string& value); 43 bool ValidateHwMode(Error* error, const std::string& value); 44 bool ValidateOperationMode(Error* error, const std::string& value); 45 bool ValidateChannel(Error* error, const uint16_t& value); 46 47 // Calculate the frequency based on the given |channel|. Return true and set 48 // the output |frequency| if is valid channel, false otherwise. 49 static bool GetFrequencyFromChannel(uint16_t channel, uint32_t* freq); 50 51 // Generate a config file string for a hostapd instance. Populate 52 // |error| when encounter invalid configuration. Return true if success, 53 // false otherwise. 54 virtual bool GenerateConfigFile(Error* error, std::string* config_str); 55 56 // Claim and release the device needed for this configuration. 57 virtual bool ClaimDevice(); 58 virtual bool ReleaseDevice(); 59 60 // Getter and setter for configuration properties. 61 void SetSsid(const std::string& ssid); 62 std::string GetSsid() const; 63 void SetInterfaceName(const std::string& interface_name); 64 std::string GetInterfaceName() const; 65 void SetSecurityMode(const std::string& security_mode); 66 std::string GetSecurityMode() const; 67 void SetPassphrase(const std::string& passphrase); 68 std::string GetPassphrase() const; 69 void SetHwMode(const std::string& hw_mode); 70 std::string GetHwMode() const; 71 void SetOperationMode(const std::string& op_mode); 72 std::string GetOperationMode() const; 73 void SetChannel(uint16_t channel); 74 uint16_t GetChannel() const; 75 void SetHiddenNetwork(bool hidden); 76 bool GetHiddenNetwork() const; 77 void SetBridgeInterface(const std::string& interface_name); 78 std::string GetBridgeInterface() const; 79 void SetServerAddressIndex(uint16_t); 80 uint16_t GetServerAddressIndex() const; 81 void SetFullDeviceControl(bool full_control); 82 bool GetFullDeviceControl() const; 83 control_interface()84 const std::string& control_interface() const { return control_interface_; } set_control_interface(const std::string & control_interface)85 void set_control_interface(const std::string& control_interface) { 86 control_interface_ = control_interface; 87 } 88 selected_interface()89 const std::string& selected_interface() const { return selected_interface_; } 90 adaptor()91 ConfigAdaptorInterface* adaptor() const { return adaptor_.get(); } 92 93 private: 94 // Keys used in hostapd config file. 95 static const char kHostapdConfigKeyBridgeInterface[]; 96 static const char kHostapdConfigKeyChannel[]; 97 static const char kHostapdConfigKeyControlInterface[]; 98 static const char kHostapdConfigKeyControlInterfaceGroup[]; 99 static const char kHostapdConfigKeyDriver[]; 100 static const char kHostapdConfigKeyFragmThreshold[]; 101 static const char kHostapdConfigKeyHTCapability[]; 102 static const char kHostapdConfigKeyHwMode[]; 103 static const char kHostapdConfigKeyIeee80211ac[]; 104 static const char kHostapdConfigKeyIeee80211n[]; 105 static const char kHostapdConfigKeyIgnoreBroadcastSsid[]; 106 static const char kHostapdConfigKeyInterface[]; 107 static const char kHostapdConfigKeyRsnPairwise[]; 108 static const char kHostapdConfigKeyRtsThreshold[]; 109 static const char kHostapdConfigKeySsid[]; 110 static const char kHostapdConfigKeyWepDefaultKey[]; 111 static const char kHostapdConfigKeyWepKey0[]; 112 static const char kHostapdConfigKeyWpa[]; 113 static const char kHostapdConfigKeyWpaKeyMgmt[]; 114 static const char kHostapdConfigKeyWpaPassphrase[]; 115 116 // Hardware mode value for hostapd config file. 117 static const char kHostapdHwMode80211a[]; 118 static const char kHostapdHwMode80211b[]; 119 static const char kHostapdHwMode80211g[]; 120 121 // Default hostapd configuration values. User will not be able to configure 122 // these. 123 static const char kHostapdDefaultDriver[]; 124 static const char kHostapdDefaultRsnPairwise[]; 125 static const char kHostapdDefaultWpaKeyMgmt[]; 126 static const int kHostapdDefaultFragmThreshold; 127 static const int kHostapdDefaultRtsThreshold; 128 129 // Default config property values. 130 static const uint16_t kPropertyDefaultChannel;; 131 static const bool kPropertyDefaultHiddenNetwork; 132 static const uint16_t kPropertyDefaultServerAddressIndex; 133 134 // Constants use for converting channel to frequency. 135 static const uint16_t kBand24GHzChannelLow; 136 static const uint16_t kBand24GHzChannelHigh; 137 static const uint32_t kBand24GHzBaseFrequency; 138 static const uint16_t kBand5GHzChannelLow; 139 static const uint16_t kBand5GHzChannelHigh; 140 static const uint16_t kBand5GHzBaseFrequency; 141 142 static const int kSsidMinLength; 143 static const int kSsidMaxLength; 144 static const int kPassphraseMinLength; 145 static const int kPassphraseMaxLength; 146 147 // Append default hostapd configurations to the config file. 148 bool AppendHostapdDefaults(Error* error, std::string* config_str); 149 150 // Append hardware mode related configurations to the config file. 151 bool AppendHwMode(Error* error, std::string* config_str); 152 153 // Determine/append interface configuration to the config file. 154 bool AppendInterface(Error* error, std::string* config_str); 155 156 // Append security related configurations to the config file. 157 bool AppendSecurityMode(Error* error, std::string* config_str); 158 159 Manager* manager_; 160 std::string control_interface_; 161 // Interface selected for hostapd. 162 std::string selected_interface_; 163 scoped_refptr<Device> device_; 164 165 std::unique_ptr<ConfigAdaptorInterface> adaptor_; 166 167 DISALLOW_COPY_AND_ASSIGN(Config); 168 }; 169 170 } // namespace apmanager 171 172 #endif // APMANAGER_CONFIG_H_ 173