【android】系统属性=(属性服务,属性文件,白名单)

PropertyService(init进程)

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属性保存位置

#define PROP_PATH_RAMDISK_DEFAULT "/default.prop"

#define PROP_PATH_SYSTEM_BUILD "/system/build.prop"

#define PROP_PATH_SYSTEM_DEFAULT "/system/default.prop"

#define PROP_PATH_LOCAL_OVERRIDE "/data/local.prop"

#define PROP_PATH_FACTORY "/factory/factory.prop"

#define PERSISTENT_PROPERTY_DIR "/data/property/"

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设置属性白名单
{ "net.rmnet0.", AID_RADIO, 0 },

{ "net.gprs.", AID_RADIO, 0 },

{ "net.ppp", AID_RADIO, 0 },

{ "net.qmi", AID_RADIO, 0 },

{ "net.lte", AID_RADIO, 0 },

{ "net.cdma", AID_RADIO, 0 },

{ "ril.", AID_RADIO, 0 },

{ "gsm.", AID_RADIO, 0 },

{ "persist.radio", AID_RADIO, 0 },

{ "net.dns", AID_RADIO, 0 },

{ "sys.usb.config", AID_RADIO, 0 },

{ "net.", AID_SYSTEM, 0 },

{ "dev.", AID_SYSTEM, 0 },

{ "runtime.", AID_SYSTEM, 0 },

{ "hw.", AID_SYSTEM, 0 },

{ "sys.", AID_SYSTEM, 0 },

{ "sys.powerctl", AID_SHELL, 0 },

{ "service.", AID_SYSTEM, 0 },

{ "wlan.", AID_SYSTEM, 0 },

{ "bluetooth.", AID_BLUETOOTH, 0 },

{ "dhcp.", AID_SYSTEM, 0 },

{ "dhcp.", AID_DHCP, 0 },

{ "debug.", AID_SYSTEM, 0 },

{ "debug.", AID_SHELL, 0 },

{ "log.", AID_SHELL, 0 },

{ "service.adb.root", AID_SHELL, 0 },

{ "service.adb.tcp.port", AID_SHELL, 0 },

{ "persist.sys.", AID_SYSTEM, 0 },

{ "persist.service.", AID_SYSTEM, 0 },

{ "persist.security.", AID_SYSTEM, 0 },

{ "persist.service.bdroid.", AID_BLUETOOTH, 0 },

{ "selinux." , AID_SYSTEM, 0 }