зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1214515 - PersistentDataBlock b2g component implementation. r=gerard-majax
This commit is contained in:
Juan Gomez
Родитель
b49a809370
Коммит
39e5f194dc
|
|
@ -0,0 +1,765 @@
|
|||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
||||
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
/**
|
||||
* The Persistent Partition has this layout:
|
||||
*
|
||||
* Bytes: 32 4 4 <DATA_LENGTH> 1
|
||||
* Fields: [[DIGEST][MAGIC][DATA_LENGTH][ DATA ][OEM_UNLOCK_ENABLED]]
|
||||
*
|
||||
*/
|
||||
|
||||
"use strict";
|
||||
|
||||
const DEBUG = false;
|
||||
|
||||
this.EXPORTED_SYMBOLS = [ "PersistentDataBlock" ];
|
||||
|
||||
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
|
||||
// This is a marker that will be written after digest in the partition.
|
||||
const PARTITION_MAGIC = 0x19901873;
|
||||
// This is the limit in Android because of issues with Binder if blocks are > 100k
|
||||
// We dont really have this issues because we don't use Binder, but let's stick
|
||||
// to Android implementation.
|
||||
const MAX_DATA_BLOCK_SIZE = 1024 * 100;
|
||||
const DIGEST_SIZE_BYTES = 32;
|
||||
const HEADER_SIZE_BYTES = 8;
|
||||
const PARTITION_MAGIC_SIZE_BYTES = 4;
|
||||
const DATA_SIZE_BYTES = 4;
|
||||
const OEM_UNLOCK_ENABLED_BYTES = 1;
|
||||
// The position of the Digest
|
||||
const DIGEST_OFFSET = 0;
|
||||
const XPCOM_SHUTDOWN_OBSERVER_TOPIC = "xpcom-shutdown";
|
||||
// This property will have the path to the persistent partition
|
||||
const PERSISTENT_DATA_BLOCK_PROPERTY = "ro.frp.pst";
|
||||
const OEM_UNLOCK_PROPERTY = "sys.oem_unlock_allowed";
|
||||
|
||||
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
||||
Cu.import("resource://gre/modules/Services.jsm");
|
||||
|
||||
XPCOMUtils.defineLazyModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
|
||||
XPCOMUtils.defineLazyModuleGetter(this, "Promise", "resource://gre/modules/Promise.jsm");
|
||||
|
||||
XPCOMUtils.defineLazyGetter(this, "libcutils", function () {
|
||||
Cu.import("resource://gre/modules/systemlibs.js");
|
||||
return libcutils;
|
||||
});
|
||||
|
||||
var inParent = Cc["@mozilla.org/xre/app-info;1"]
|
||||
.getService(Ci.nsIXULRuntime)
|
||||
.processType === Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
|
||||
|
||||
function log(str) {
|
||||
dump("PersistentDataBlock.jsm: " + str + "\n");
|
||||
}
|
||||
|
||||
function debug(str) {
|
||||
DEBUG && log(str);
|
||||
}
|
||||
|
||||
function toHexString(data) {
|
||||
function toHexChar(charCode) {
|
||||
return ("0" + charCode.toString(16).slice(-2));
|
||||
}
|
||||
let hexString = "";
|
||||
if (typeof data === "string") {
|
||||
hexString = [toHexChar(data.charCodeAt(i)) for (i in data)].join("");
|
||||
} else if (typeof data === "array") {
|
||||
hexString = [toHexChar(data[i]) for (i in data)].join("");
|
||||
}
|
||||
return hexString;
|
||||
}
|
||||
|
||||
function arr2bstr(arr) {
|
||||
let bstr = "";
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
bstr += String.fromCharCode(arr[i]);
|
||||
}
|
||||
return bstr;
|
||||
}
|
||||
|
||||
this.PersistentDataBlock = {
|
||||
|
||||
/**
|
||||
* libc funcionality. Accessed via ctypes
|
||||
*/
|
||||
_libc: {
|
||||
handler: null,
|
||||
open: function() {},
|
||||
close: function() {},
|
||||
ioctl: function() {}
|
||||
},
|
||||
|
||||
/**
|
||||
* Component to access property_get/set functions
|
||||
*/
|
||||
_libcutils: null,
|
||||
|
||||
/**
|
||||
* The size of a device block. This is assigned by querying the kernel.
|
||||
*/
|
||||
_blockDeviceSize: -1,
|
||||
|
||||
/**
|
||||
* Data block file
|
||||
*/
|
||||
_dataBlockFile: "",
|
||||
|
||||
/**
|
||||
* Change the behavior of the class for some methods to testing mode. This will fake the return value of some
|
||||
* methods realted to native operations with block devices.
|
||||
*/
|
||||
_testing: false,
|
||||
|
||||
/*
|
||||
* *** USE ONLY FOR TESTING ***
|
||||
* This component will interface between Gecko and a special secure partition with no formatting, a raw partition.
|
||||
* This interaction requires a specific partition layout structure which emulators don't have so far. So for
|
||||
* our unit tests to pass, we need a way for some methods to behave differently. This method will change this
|
||||
* behavior at runtime so some low-level platform-specific operations will be faked:
|
||||
* - Getting the size of a partition: We can use any partition to get the size, is up to the test to choose
|
||||
* which partition to use. But, in testing mode we use files instead of partitions, so we need to fake the
|
||||
* return value of this method in this case.
|
||||
* - Wipping a partition: This will fully remove the partition as well as it filesystem type, so we cannot
|
||||
* test it on any existing emulator partition. Testing mode will skip this operation.
|
||||
*
|
||||
* @param enabled {Bool} Set testing mode. See _testing property.
|
||||
*/
|
||||
setTestingMode: function(enabled) {
|
||||
this._testing = enabled || false;
|
||||
},
|
||||
|
||||
/**
|
||||
* Initialize the class.
|
||||
*
|
||||
*/
|
||||
init: function(mode) {
|
||||
debug("init()");
|
||||
|
||||
if (libcutils) {
|
||||
this._libcutils = libcutils;
|
||||
}
|
||||
|
||||
if (!this.ctypes) {
|
||||
Cu.import("resource://gre/modules/ctypes.jsm", this);
|
||||
}
|
||||
|
||||
if (this._libc.handler === null) {
|
||||
#ifdef MOZ_WIDGET_GONK
|
||||
try {
|
||||
this._libc.handler = this.ctypes.open(this.ctypes.libraryName("c"));
|
||||
this._libc.close = this._libc.handler.declare("close",
|
||||
this.ctypes.default_abi,
|
||||
this.ctypes.int,
|
||||
this.ctypes.int
|
||||
);
|
||||
this._libc.open = this._libc.handler.declare("open",
|
||||
this.ctypes.default_abi,
|
||||
this.ctypes.int,
|
||||
this.ctypes.char.ptr,
|
||||
this.ctypes.int
|
||||
);
|
||||
this._libc.ioctl = this._libc.handler.declare("ioctl",
|
||||
this.ctypes.default_abi,
|
||||
this.ctypes.int,
|
||||
this.ctypes.int,
|
||||
this.ctypes.unsigned_long,
|
||||
this.ctypes.unsigned_long.ptr);
|
||||
|
||||
} catch(ex) {
|
||||
log("Unable to open libc.so: ex = " + ex);
|
||||
throw Cr.NS_ERROR_FAILURE;
|
||||
}
|
||||
#else
|
||||
log("This component requires Gonk!");
|
||||
throw Cr.NS_ERROR_ABORT;
|
||||
#endif
|
||||
}
|
||||
|
||||
this._dataBlockFile = this._libcutils.property_get(PERSISTENT_DATA_BLOCK_PROPERTY);
|
||||
if (this._dataBlockFile === null) {
|
||||
log("init: ERROR: property " + PERSISTENT_DATA_BLOCK_PROPERTY + " doesn't exist!");
|
||||
throw Cr.NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
Services.obs.addObserver(this, XPCOM_SHUTDOWN_OBSERVER_TOPIC, false);
|
||||
},
|
||||
|
||||
uninit: function() {
|
||||
debug("uninit()");
|
||||
this._libc.handler.close();
|
||||
Services.obs.removeObserver(this, XPCOM_SHUTDOWN_OBSERVER_TOPIC);
|
||||
},
|
||||
|
||||
_checkLibcUtils: function() {
|
||||
debug("_checkLibcUtils");
|
||||
if (!this._libcutils) {
|
||||
log("No proper libcutils binding, aborting.");
|
||||
throw Cr.NS_ERROR_NO_INTERFACE;
|
||||
}
|
||||
|
||||
return true;
|
||||
},
|
||||
|
||||
/**
|
||||
* Callback mehtod for addObserver
|
||||
*/
|
||||
observe: function(aSubject, aTopic, aData) {
|
||||
debug("observe()");
|
||||
switch (aTopic) {
|
||||
case XPCOM_SHUTDOWN_OBSERVER_TOPIC:
|
||||
this.uninit();
|
||||
break;
|
||||
|
||||
default:
|
||||
log("Wrong observer topic: " + aTopic);
|
||||
break;
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* This method will format the persistent partition if it detects manipulation (digest calculation will fail)
|
||||
* or if the OEM Unlock Enabled byte is set to true.
|
||||
* We need to call this method on every boot.
|
||||
*/
|
||||
start: function() {
|
||||
debug("start()");
|
||||
return this._enforceChecksumValidity().then(() => {
|
||||
return this._formatIfOemUnlockEnabled().then(() => {
|
||||
return Promise.resolve(true);
|
||||
})
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Computes the digest of the entire data block.
|
||||
* The digest is saved in the first 32 bytes of the block.
|
||||
*
|
||||
* @param isStoredDigestReturned {Bool} Tells the function to return the stored digest as well as the calculated.
|
||||
* True means to return stored digest and the calculated
|
||||
* False means to return just the calculated one
|
||||
*
|
||||
* @return Promise<digest> {Object} The calculated digest into the "calculated" property, and the stored
|
||||
* digest into the "stored" property.
|
||||
*/
|
||||
_computeDigest: function (isStoredDigestReturned) {
|
||||
debug("_computeDigest()");
|
||||
let digest = {calculated: "", stored: ""};
|
||||
let partition;
|
||||
debug("_computeDigest: _dataBlockFile = " + this._dataBlockFile);
|
||||
return OS.File.open(this._dataBlockFile, {existing:true, append:false, read:true}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.read(DIGEST_SIZE_BYTES);
|
||||
}).then(digestDataRead => {
|
||||
// If storedDigest is passed as a parameter, the caller will likely compare the
|
||||
// one is already stored in the partition with the one we are going to compute later.
|
||||
if (isStoredDigestReturned === true) {
|
||||
debug("_computeDigest: get stored digest from the partition");
|
||||
digest.stored = arr2bstr(digestDataRead);
|
||||
}
|
||||
return partition.read();
|
||||
}).then(data => {
|
||||
// Calculate Digest with the data retrieved after the digest
|
||||
let hasher = Cc["@mozilla.org/security/hash;1"].createInstance(Ci.nsICryptoHash);
|
||||
hasher.init(hasher.SHA256);
|
||||
hasher.update(data, data.byteLength);
|
||||
digest.calculated = hasher.finish(false);
|
||||
debug("_computeDigest(): Digest = " + toHexString(digest.calculated) +
|
||||
"(" + digest.calculated.length + ")");
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(digest);
|
||||
}).catch(ex => {
|
||||
log("_computeDigest(): Failed to read partition: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Returns the size of a block from the undelaying filesystem
|
||||
*
|
||||
* @return {Number} The size of the block
|
||||
*/
|
||||
_getBlockDeviceSize: function() {
|
||||
debug("_getBlockDeviceSize()");
|
||||
|
||||
// See _testing property
|
||||
if (this._testing === true) {
|
||||
debug("_getBlockDeviceSize: No real block device size in testing mode!. Returning 1024.");
|
||||
return 1024;
|
||||
}
|
||||
|
||||
#ifdef MOZ_WIDGET_GONK
|
||||
const O_READONLY = 0;
|
||||
const O_NONBLOCK = 1 << 11;
|
||||
/* Getting the correct values for ioctl() operations by reading the headers is not a trivial task, so
|
||||
* the better way to get the values below is by writting a simple test aplication in C that will
|
||||
* print the values to the output.
|
||||
* 32bits and 64bits value for ioctl() BLKGETSIZE64 operation is different. So we will fallback in
|
||||
* case ioctl() returns ENOTTY (22). */
|
||||
const BLKGETSIZE64_32_BITS = 0x80041272;
|
||||
const BLKGETSIZE64_64_BITS = 0x80081272;
|
||||
const ENOTTY = 25;
|
||||
|
||||
debug("_getBlockDeviceSize: _dataBlockFile = " + this._dataBlockFile);
|
||||
let fd = this._libc.open(this._dataBlockFile, O_READONLY | O_NONBLOCK);
|
||||
if (fd < 0) {
|
||||
log("_getBlockDeviceSize: couldn't open partition!: errno = " + this.ctypes.errno);
|
||||
throw Cr.NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
let size = new this.ctypes.unsigned_long();
|
||||
let sizeAddress = size.address();
|
||||
let ret = this._libc.ioctl(fd, BLKGETSIZE64_32_BITS, sizeAddress);
|
||||
if (ret < 0) {
|
||||
if (this.ctypes.errno === ENOTTY) {
|
||||
log("_getBlockDeviceSize: errno is ENOTTY, falling back to 64 bit version of BLKGETSIZE64...");
|
||||
ret = this._libc.ioctl(fd, BLKGETSIZE64_64_BITS, sizeAddress);
|
||||
if (ret < 0) {
|
||||
this._libc.close(fd);
|
||||
log("_getBlockDeviceSize: BLKGETSIZE64 failed again!. errno = " + this.ctypes.errno);
|
||||
throw Cr.NS_ERROR_FAILURE;
|
||||
}
|
||||
} else {
|
||||
this._libc.close(fd);
|
||||
log("_getBlockDeviceSize: couldn't get block device size!: errno = " + this.ctypes.errno);
|
||||
throw Cr.NS_ERROR_FAILURE;
|
||||
}
|
||||
}
|
||||
this._libc.close(fd);
|
||||
debug("_getBlockDeviceSize: size =" + size.value);
|
||||
return size.value;
|
||||
#else
|
||||
log("_getBlockDeviceSize: ERROR: This feature is only supported in Gonk!");
|
||||
return -1;
|
||||
#endif
|
||||
},
|
||||
|
||||
/**
|
||||
* Sets the byte into the partition which represents the OEM Unlock Enabled feature.
|
||||
* A value of "1" means that the user doesn't want to enable KillSwitch.
|
||||
* The byte is the last one byte into the device block.
|
||||
*
|
||||
* @param isSetOemUnlockEnabled {bool} If true, sets the OEM Unlock Enabled byte to 1.
|
||||
* Otherwise, sets it to 0.
|
||||
*/
|
||||
_doSetOemUnlockEnabled: function(isSetOemUnlockEnabled) {
|
||||
debug("_doSetOemUnlockEnabled()");
|
||||
let partition;
|
||||
return OS.File.open(this._dataBlockFile, {existing:true, append:false, write:true}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.setPosition(this._getBlockDeviceSize() - OEM_UNLOCK_ENABLED_BYTES, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return partition.write(new Uint8Array([ isSetOemUnlockEnabled === true ? 1 : 0 ]));
|
||||
}).then(bytesWrittenLength => {
|
||||
if (bytesWrittenLength != 1) {
|
||||
log("_doSetOemUnlockEnabled: Error writting OEM Unlock Enabled byte!");
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
let oemUnlockByte = (isSetOemUnlockEnabled === true ? "1" : "0");
|
||||
debug("_doSetOemUnlockEnabled: OEM unlock enabled written to " + oemUnlockByte);
|
||||
this._libcutils.property_set(OEM_UNLOCK_PROPERTY, oemUnlockByte);
|
||||
return Promise.resolve();
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Computes the digest by reading the entire block of data and write it to the digest field
|
||||
*
|
||||
* @return true Promise<bool> Operation succeed
|
||||
* @return false Promise<bool> Operation failed
|
||||
*/
|
||||
_computeAndWriteDigest: function() {
|
||||
debug("_computeAndWriteDigest()");
|
||||
let digest;
|
||||
let partition;
|
||||
return this._computeDigest().then(_digest => {
|
||||
digest = _digest;
|
||||
return OS.File.open(this._dataBlockFile, {write:true, existing:true, append:false});
|
||||
}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.setPosition(DIGEST_OFFSET, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return partition.write(new Uint8Array([digest.calculated.charCodeAt(i) for (i in digest.calculated)]));
|
||||
}).then(bytesWrittenLength => {
|
||||
if (bytesWrittenLength != DIGEST_SIZE_BYTES) {
|
||||
log("_computeAndWriteDigest: Error writting digest to partition!. Expected: " + DIGEST_SIZE_BYTES + " Written: " + bytesWrittenLength);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
debug("_computeAndWriteDigest: digest written to partition");
|
||||
return Promise.resolve(true);
|
||||
}).catch(ex => {
|
||||
log("_computeAndWriteDigest: Couldn't write digest in the persistent partion. ex = " + ex );
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Formats the persistent partition if the OEM Unlock Enabled field is set to true, and
|
||||
* write the Unlock Property accordingly.
|
||||
*
|
||||
* @return true Promise<bool> OEM Unlock was enabled, so the partition has been formated
|
||||
* @return false Promise<bool> OEM Unlock was disabled, so the partition hasn't been formated
|
||||
*/
|
||||
_formatIfOemUnlockEnabled: function () {
|
||||
debug("_formatIfOemUnlockEnabled()");
|
||||
return this.getOemUnlockEnabled().then(enabled => {
|
||||
this._libcutils.property_set(OEM_UNLOCK_PROPERTY,(enabled === true ? "1" : "0"));
|
||||
if (enabled === true) {
|
||||
return this._formatPartition(true);
|
||||
}
|
||||
return Promise.resolve(false);
|
||||
}).then(result => {
|
||||
if (result === false) {
|
||||
return Promise.resolve(false);
|
||||
} else {
|
||||
return Promise.resolve(true);
|
||||
}
|
||||
}).catch(ex => {
|
||||
log("_formatIfOemUnlockEnabled: An error ocurred!. ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Formats the persistent data partition with the proper structure.
|
||||
*
|
||||
* @param isSetOemUnlockEnabled {bool} If true, writes a "1" in the OEM Unlock Enabled field (last
|
||||
* byte of the block). If false, writes a "0".
|
||||
*
|
||||
* @return Promise
|
||||
*/
|
||||
_formatPartition: function(isSetOemUnlockEnabled) {
|
||||
debug("_formatPartition()");
|
||||
let partition;
|
||||
return OS.File.open(this._dataBlockFile, {write:true, existing:true, append:false}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.write(new Uint8Array(DIGEST_SIZE_BYTES));
|
||||
}).then(bytesWrittenLength => {
|
||||
if (bytesWrittenLength != DIGEST_SIZE_BYTES) {
|
||||
log("_formatPartition Error writting zero-digest!. Expected: " + DIGEST_SIZE_BYTES + " Written: " + bytesWrittenLength);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.write(new Uint32Array([PARTITION_MAGIC]));
|
||||
}).then(bytesWrittenLength => {
|
||||
if (bytesWrittenLength != PARTITION_MAGIC_SIZE_BYTES) {
|
||||
log("_formatPartition Error writting magic number!. Expected: " + PARTITION_MAGIC_SIZE_BYTES + " Written: " + bytesWrittenLength);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.write(new Uint8Array(DATA_SIZE_BYTES));
|
||||
}).then(bytesWrittenLength => {
|
||||
if (bytesWrittenLength != DATA_SIZE_BYTES) {
|
||||
log("_formatPartition Error writting data size!. Expected: " + DATA_SIZE_BYTES + " Written: " + bytesWrittenLength);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
return this._doSetOemUnlockEnabled(isSetOemUnlockEnabled);
|
||||
}).then(() => {
|
||||
return this._computeAndWriteDigest();
|
||||
}).then(() => {
|
||||
return Promise.resolve();
|
||||
}).catch(ex => {
|
||||
log("_formatPartition: Failed to format block device!: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Check digest validity. If it's not valid, formats the persistent partition
|
||||
*
|
||||
* @return true Promise<bool> The checksum is valid so the promise is resolved to true
|
||||
* @return false Promise<bool> The checksum is not valid, so the partition is going to be
|
||||
* formatted and the OEM Unlock Enabled field written to 0 (false).
|
||||
*/
|
||||
_enforceChecksumValidity: function() {
|
||||
debug("_enforceChecksumValidity");
|
||||
return this._computeDigest(true).then(digest => {
|
||||
if (digest.stored != digest.calculated) {
|
||||
log("_enforceChecksumValidity: Validation failed! Stored digest: " + toHexString(digest.stored) +
|
||||
" is not the same as the calculated one: " + toHexString(digest.calculated));
|
||||
return Promise.reject();
|
||||
}
|
||||
debug("_enforceChecksumValidity: Digest computation succeed.");
|
||||
return Promise.resolve(true);
|
||||
}).catch(ex => {
|
||||
log("_enforceChecksumValidity: Digest computation failed: ex = " + ex);
|
||||
log("_enforceChecksumValidity: Formatting FRP partition...");
|
||||
return this._formatPartition(false).then(() => {
|
||||
return Promise.resolve(false);
|
||||
}).catch(ex => {
|
||||
log("_enforceChecksumValidity: Error ocurred while formating the partition!: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Reads the entire data field
|
||||
*
|
||||
* @return bytes Promise<Uint8Array> A promise resolved with the bytes read
|
||||
*/
|
||||
read: function() {
|
||||
debug("read()");
|
||||
let partition;
|
||||
let bytes;
|
||||
let dataSize;
|
||||
return this.getDataFieldSize().then(_dataSize => {
|
||||
dataSize = _dataSize;
|
||||
return OS.File.open(this._dataBlockFile, {read:true, existing:true, append:false});
|
||||
}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.setPosition(DIGEST_SIZE_BYTES + HEADER_SIZE_BYTES, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return partition.read(dataSize);
|
||||
}).then(_bytes => {
|
||||
bytes = _bytes;
|
||||
if (bytes.byteLength < dataSize) {
|
||||
log("read: Failed to read entire data block. Bytes read: " + bytes.byteLength + "/" + dataSize);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(bytes);
|
||||
}).catch(ex => {
|
||||
log("read: Failed to read entire data block. Exception: " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Writes an entire block to the persistent partition
|
||||
*
|
||||
* @param data {Uint8Array}
|
||||
*
|
||||
* @return Promise<Number> Promise resolved to the number of bytes written.
|
||||
*/
|
||||
write: function(data) {
|
||||
debug("write()");
|
||||
// Ensure that we don't overwrite digest/magic/data-length and the last byte
|
||||
let maxBlockSize = this._getBlockDeviceSize() - (DIGEST_SIZE_BYTES + HEADER_SIZE_BYTES + 1);
|
||||
if (data.byteLength > maxBlockSize) {
|
||||
log("write: Couldn't write more than " + maxBlockSize + " bytes to the partition. " +
|
||||
maxBlockSize + " bytes given.");
|
||||
return Promise.reject();
|
||||
}
|
||||
|
||||
let partition;
|
||||
return OS.File.open(this._dataBlockFile, {write:true, existing:true, append:false}).then(_partition => {
|
||||
let digest = new Uint8Array(DIGEST_SIZE_BYTES);
|
||||
let magic = new Uint8Array((new Uint32Array([PARTITION_MAGIC])).buffer);
|
||||
let dataLength = new Uint8Array((new Uint32Array([data.byteLength])).buffer);
|
||||
let bufferToWrite = new Uint8Array(digest.byteLength + magic.byteLength + dataLength.byteLength + data.byteLength );
|
||||
let offset = 0;
|
||||
bufferToWrite.set(digest, offset);
|
||||
offset += digest.byteLength;
|
||||
bufferToWrite.set(magic, offset);
|
||||
offset += magic.byteLength;
|
||||
bufferToWrite.set(dataLength, offset);
|
||||
offset += dataLength.byteLength;
|
||||
bufferToWrite.set(data, offset);
|
||||
partition = _partition;
|
||||
return partition.write(bufferToWrite);
|
||||
}).then(bytesWrittenLength => {
|
||||
let expectedWrittenLength = DIGEST_SIZE_BYTES + HEADER_SIZE_BYTES + data.byteLength;
|
||||
if (bytesWrittenLength != expectedWrittenLength) {
|
||||
log("write: Error writting data to partition!: Expected: " + expectedWrittenLength + " Written: " + bytesWrittenLength);
|
||||
return Promise.reject();
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
return this._computeAndWriteDigest();
|
||||
}).then(couldComputeAndWriteDigest => {
|
||||
if (couldComputeAndWriteDigest === true) {
|
||||
return Promise.resolve(data.byteLength);
|
||||
} else {
|
||||
log("write: Failed to compute and write the digest");
|
||||
return Promise.reject();
|
||||
}
|
||||
}).catch(ex => {
|
||||
log("write: Failed to write to the persistent partition: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Wipes the persistent partition.
|
||||
*
|
||||
* @return Promise If no errors, the promise is resolved
|
||||
*/
|
||||
wipe: function() {
|
||||
debug("wipe()");
|
||||
|
||||
if (this._testing === true) {
|
||||
log("wipe: No wipe() funcionality in testing mode");
|
||||
return Promise.resolve();
|
||||
}
|
||||
|
||||
#ifdef MOZ_WIDGET_GONK
|
||||
const O_READONLY = 0;
|
||||
const O_RDWR = 2;
|
||||
const O_NONBLOCK = 1 << 11;
|
||||
// This constant value is the same under 32 and 64 bits arch.
|
||||
const BLKSECDISCARD = 0x127D;
|
||||
// This constant value is the same under 32 and 64 bits arch.
|
||||
const BLKDISCARD = 0x1277;
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
let range = new this.ctypes.unsigned_long();
|
||||
let rangeAddress = range.address();
|
||||
let blockDeviceLength = this._getBlockDeviceSize();
|
||||
range[0] = 0;
|
||||
range[1] = blockDeviceLength;
|
||||
if (range[1] === 0) {
|
||||
log("wipe: Block device size is 0!");
|
||||
return reject();
|
||||
}
|
||||
let fd = this._libc.open(this._dataBlockFile, O_RDWR);
|
||||
if (fd < 0) {
|
||||
log("wipe: ERROR couldn't open partition!: error = " + this.ctypes.errno);
|
||||
return reject();
|
||||
}
|
||||
let ret = this._libc.ioctl(fd, BLKSECDISCARD, rangeAddress);
|
||||
if (ret < 0) {
|
||||
log("wipe: Something went wrong secure discarding block: errno: " + this.ctypes.errno + ": Falling back to non-secure discarding...");
|
||||
ret = this._libc.ioctl(fd, BLKDISCARD, rangeAddress);
|
||||
if (ret < 0) {
|
||||
this._libc.close(fd);
|
||||
log("wipe: CRITICAL: non-secure discarding failed too!!: errno: " + this.ctypes.errno);
|
||||
return reject();
|
||||
} else {
|
||||
this._libc.close(fd);
|
||||
log("wipe: non-secure discard used and succeed");
|
||||
return resolve();
|
||||
}
|
||||
}
|
||||
this._libc.close(fd);
|
||||
log("wipe: secure discard succeed");
|
||||
return resolve();
|
||||
});
|
||||
#else
|
||||
log("wipe: ERROR: This feature is only supported in Gonk!");
|
||||
return Promise.reject();
|
||||
#endif
|
||||
},
|
||||
|
||||
/**
|
||||
* Set the OEM Unlock Enabled field (one byte at the end of the partition), to 1 or 0 depending on
|
||||
* the input parameter.
|
||||
*
|
||||
* @param enabled {bool} If enabled, we write a 1 in the last byte of the partition.
|
||||
*
|
||||
* @return Promise
|
||||
*
|
||||
*/
|
||||
setOemUnlockEnabled: function(enabled) {
|
||||
debug("setOemUnlockEnabled()");
|
||||
return this._doSetOemUnlockEnabled(enabled).then(() => {
|
||||
return this._computeAndWriteDigest();
|
||||
}).then(() => {
|
||||
return Promise.resolve();
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Gets the byte from the partition which represents the OEM Unlock Enabled state.
|
||||
*
|
||||
* @return true Promise<Bool> The user didn't activate KillSwitch.
|
||||
* @return false Promise<Bool> The user did activate KillSwitch.
|
||||
*/
|
||||
getOemUnlockEnabled: function() {
|
||||
log("getOemUnlockEnabled()");
|
||||
let ret = false;
|
||||
let partition;
|
||||
return OS.File.open(this._dataBlockFile, {existing:true, append:false, read:true}).then(_partition => {
|
||||
partition = _partition;
|
||||
return partition.setPosition(this._getBlockDeviceSize() - OEM_UNLOCK_ENABLED_BYTES, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return partition.read(OEM_UNLOCK_ENABLED_BYTES);
|
||||
}).then(data => {
|
||||
debug("getOemUnlockEnabled: OEM unlock enabled byte = '" + data[0] + "'");
|
||||
ret = (data[0] === 1 ? true : false);
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(ret);
|
||||
}).catch(ex => {
|
||||
log("getOemUnlockEnabled: Error reading OEM unlock enabled byte from partition: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Gets the size of the data block by reading the data-length field
|
||||
*
|
||||
* @return Promise<Number> A promise resolved to the number of bytes os the data field.
|
||||
*/
|
||||
getDataFieldSize: function() {
|
||||
debug("getDataFieldSize()");
|
||||
let partition
|
||||
let dataLength = 0;
|
||||
return OS.File.open(this._dataBlockFile, {read:true, existing:true, append:false}).then(_partition => {
|
||||
partition = _partition;
|
||||
// Skip the digest field
|
||||
return partition.setPosition(DIGEST_SIZE_BYTES, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
// Read the Magic field
|
||||
return partition.read(PARTITION_MAGIC_SIZE_BYTES);
|
||||
}).then(_magic => {
|
||||
let magic = new Uint32Array(_magic.buffer)[0];
|
||||
if (magic === PARTITION_MAGIC) {
|
||||
return partition.read(PARTITION_MAGIC_SIZE_BYTES);
|
||||
} else {
|
||||
log("getDataFieldSize: ERROR: Invalid Magic number!");
|
||||
return Promise.reject();
|
||||
}
|
||||
}).then(_dataLength => {
|
||||
if (_dataLength) {
|
||||
dataLength = new Uint32Array(_dataLength.buffer)[0];
|
||||
}
|
||||
return partition.close();
|
||||
}).then(() => {
|
||||
if (dataLength && dataLength != 0) {
|
||||
return Promise.resolve(dataLength);
|
||||
} else {
|
||||
return Promise.reject();
|
||||
}
|
||||
}).catch(ex => {
|
||||
log("getDataFieldSize: Couldn't get data field size: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Gets the maximum possible size of a data field
|
||||
*
|
||||
* @return Promise<Number> A Promise resolved to the maximum number of bytes allowed for the data field
|
||||
*
|
||||
*/
|
||||
getMaximumDataBlockSize: function() {
|
||||
debug("getMaximumDataBlockSize()");
|
||||
return new Promise((resolve, reject) => {
|
||||
let actualSize = this._getBlockDeviceSize() - HEADER_SIZE_BYTES - OEM_UNLOCK_ENABLED_BYTES;
|
||||
resolve(actualSize <= MAX_DATA_BLOCK_SIZE ? actualSize : MAX_DATA_BLOCK_SIZE);
|
||||
});
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
// This code should ALWAYS be living only on the parent side.
|
||||
if (!inParent) {
|
||||
log("PersistentDataBlock should only be living on parent side.");
|
||||
throw Cr.NS_ERROR_ABORT;
|
||||
} else {
|
||||
this.PersistentDataBlock.init();
|
||||
}
|
||||
|
|
@ -78,6 +78,11 @@ EXTRA_JS_MODULES += [
|
|||
'WebappsUpdater.jsm',
|
||||
]
|
||||
|
||||
EXTRA_PP_JS_MODULES += [
|
||||
'KillSwitchMain.jsm',
|
||||
'PersistentDataBlock.jsm'
|
||||
]
|
||||
|
||||
if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'gonk':
|
||||
EXTRA_JS_MODULES += [
|
||||
'GlobalSimulatorScreen.jsm'
|
||||
|
|
|
|||
|
|
@ -0,0 +1,412 @@
|
|||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
||||
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
"use strict";
|
||||
|
||||
var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
|
||||
|
||||
Cu.import("resource://gre/modules/Services.jsm");
|
||||
Cu.import("resource://gre/modules/NetUtil.jsm");
|
||||
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
||||
|
||||
XPCOMUtils.defineLazyModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
|
||||
// This constants must be synced with the ones in PersistentDataBlock.jsm
|
||||
const PARTITION_MAGIC = 0x19901873;
|
||||
const DIGEST_SIZE_BYTES = 32;
|
||||
const PARTITION_MAGIC_SIZE_BYTES = 4;
|
||||
const DATA_SIZE_BYTES = 4;
|
||||
const OEM_UNLOCK_ENABLED_BYTES = 1;
|
||||
|
||||
const CACHE_PARTITION = "/dev/block/mtdblock2";
|
||||
const PARTITION_FAKE_FILE = "/data/local/tmp/frp.test";
|
||||
const CACHE_PARTITION_SIZE = 69206016;
|
||||
|
||||
function log(str) {
|
||||
do_print("head_persistentdatablock: " + str + "\n");
|
||||
}
|
||||
|
||||
function toHexString(data) {
|
||||
function toHexChar(charCode) {
|
||||
return ("0" + charCode.toString(16).slice(-2));
|
||||
}
|
||||
let hexString = "";
|
||||
if (typeof data === "string") {
|
||||
hexString = [toHexChar(data.charCodeAt(i)) for (i in data)].join("");
|
||||
} else if (typeof data === "array") {
|
||||
hexString = [toHexChar(data[i]) for (i in data)].join("");
|
||||
}
|
||||
return hexString;
|
||||
}
|
||||
|
||||
function _prepareConfig(_args) {
|
||||
let args = _args || {};
|
||||
// This digest has been previously calculated given the data to be written later, and setting the OEM Unlocked Enabled byte
|
||||
// to 1. If we need different values, some tests will fail because this precalculated digest won't be valid then.
|
||||
args.digest = args.digest || new Uint8Array([0x00, 0x41, 0x7e, 0x5f, 0xe2, 0xdd, 0xaa, 0xed, 0x11, 0x90, 0x0e, 0x1d, 0x26,
|
||||
0x10, 0x30, 0xbd, 0x44, 0x9e, 0xcc, 0x4b, 0x65, 0xbe, 0x2e, 0x99, 0x9f, 0x86,
|
||||
0xf0, 0xfc, 0x5b, 0x33, 0x00, 0xd0]);
|
||||
args.dataLength = args.dataLength || 6;
|
||||
args.data = args.data || new Uint8Array(["P", "A", "S", "S", "W", "D"]);
|
||||
args.oem = args.oem === undefined ? true : args.oem;
|
||||
args.oemUnlockAllowed = args.oemUnlockAllowed === undefined ? true : args.oemUnlockAllowed;
|
||||
|
||||
log("_prepareConfig: args.digest = " + args.digest);
|
||||
log("_prepareConfig: args.dataLength = " + args.dataLength);
|
||||
log("_prepareConfig: args.data = " + args.data);
|
||||
log("_prepareConfig: args.oem = " + args.oem);
|
||||
log("_prepareConfig: args.oemUnlockAllowed = " + args.oemUnlockAllowed);
|
||||
|
||||
/* This function will be called after passing all native stuff tests, so we will write into a file instead of a real
|
||||
* partition. Obviously, there are some native operations like getting the device block size or wipping, that will not
|
||||
* work in a regular file, so we need to fake them. */
|
||||
PersistentDataBlock._libcutils.property_set("sys.oem_unlock_allowed", args.oemUnlockAllowed === true ? "true" : "false");
|
||||
PersistentDataBlock.setTestingMode(true);
|
||||
PersistentDataBlock._dataBlockFile = PARTITION_FAKE_FILE;
|
||||
// Create the test file with the same structure as the partition will be
|
||||
let tempFile;
|
||||
return OS.File.open(PersistentDataBlock._dataBlockFile, {write:true, append:false, truncate: true}).then(_tempFile => {
|
||||
log("_prepareConfig: Writing DIGEST...");
|
||||
tempFile = _tempFile;
|
||||
return tempFile.write(args.digest);
|
||||
}).then(bytes => {
|
||||
log("_prepareConfig: Writing the magic: " + PARTITION_MAGIC);
|
||||
return tempFile.write(new Uint32Array([PARTITION_MAGIC]));
|
||||
}).then(bytes => {
|
||||
log("_prepareConfig: Writing the length of data field");
|
||||
return tempFile.write(new Uint32Array([args.dataLength]));
|
||||
}).then(bytes => {
|
||||
log("_prepareConfig: Writing the data field");
|
||||
let data = new Uint8Array(PersistentDataBlock._getBlockDeviceSize() -
|
||||
(DIGEST_SIZE_BYTES + PARTITION_MAGIC_SIZE_BYTES + DATA_SIZE_BYTES + OEM_UNLOCK_ENABLED_BYTES));
|
||||
data.set(args.data);
|
||||
return tempFile.write(data);
|
||||
}).then(bytes => {
|
||||
return tempFile.write(new Uint8Array([ args.oem === true ? 1 : 0 ]));
|
||||
}).then(bytes => {
|
||||
return tempFile.close();
|
||||
}).then(() =>{
|
||||
return Promise.resolve(true);
|
||||
}).catch(ex => {
|
||||
log("_prepareConfig: ERROR: ex = " + ex);
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
}
|
||||
|
||||
function utils_getByteAt(pos) {
|
||||
let file;
|
||||
let byte;
|
||||
return OS.File.open(PersistentDataBlock._dataBlockFile, {read:true, existing:true, append:false}).then(_file => {
|
||||
file = _file;
|
||||
return file.setPosition(pos, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return file.read(1);
|
||||
}).then(_byte => {
|
||||
byte = _byte;
|
||||
return file.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(byte[0]);
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
}
|
||||
|
||||
function utils_getHeader() {
|
||||
let file;
|
||||
let header = {};
|
||||
return OS.File.open(PersistentDataBlock._dataBlockFile, {read:true, existing:true, append:false}).then(_file => {
|
||||
file = _file;
|
||||
return file.read(DIGEST_SIZE_BYTES);
|
||||
}).then(digest => {
|
||||
header.digest = digest;
|
||||
return file.read(PARTITION_MAGIC_SIZE_BYTES);
|
||||
}).then(magic => {
|
||||
header.magic = magic;
|
||||
return file.read(DATA_SIZE_BYTES);
|
||||
}).then(dataLength => {
|
||||
header.dataLength = dataLength;
|
||||
return file.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(header);
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
}
|
||||
|
||||
function utils_getData() {
|
||||
let file;
|
||||
let data;
|
||||
return OS.File.open(PersistentDataBlock._dataBlockFile, {read:true, existing:true, append:false}).then(_file => {
|
||||
file = _file;
|
||||
return file.setPosition(DIGEST_SIZE_BYTES + PARTITION_MAGIC_SIZE_BYTES, OS.File.POS_START);
|
||||
}).then(() => {
|
||||
return file.read(4);
|
||||
}).then(_dataLength => {
|
||||
let dataLength = new Uint32Array(_dataLength.buffer);
|
||||
log("utils_getData: dataLength = " + dataLength[0]);
|
||||
return file.read(dataLength[0]);
|
||||
}).then(_data => {
|
||||
data = _data;
|
||||
return file.close();
|
||||
}).then(() => {
|
||||
return Promise.resolve(data);
|
||||
}).catch(ex => {
|
||||
return Promise.reject(ex);
|
||||
});
|
||||
}
|
||||
|
||||
function _installTests() {
|
||||
// <NATIVE_TESTS> Native operation tests go first
|
||||
add_test(function test_getBlockDeviceSize() {
|
||||
// We will use emulator /cache partition to get it's size.
|
||||
PersistentDataBlock._dataBlockFile = CACHE_PARTITION;
|
||||
// Disable testing mode for this specific test because we can get the size of a real block device,
|
||||
// but we need to flip to testing mode after this test because we use files instead of partitions
|
||||
// and we cannot run this operation on files.
|
||||
PersistentDataBlock.setTestingMode(false);
|
||||
let blockSize = PersistentDataBlock._getBlockDeviceSize();
|
||||
ok(blockSize !== CACHE_PARTITION_SIZE, "test_getBlockDeviceSize: Block device size should be greater than 0");
|
||||
run_next_test();
|
||||
});
|
||||
|
||||
add_test(function test_wipe() {
|
||||
// Turning into testing mode again.
|
||||
PersistentDataBlock.setTestingMode(true);
|
||||
PersistentDataBlock.wipe().then(() => {
|
||||
// We don't evaluate anything because in testing mode we always return ok!
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
// ... something went really really bad if this happens.
|
||||
ok(false, "test_wipe failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
// </NATIVE_TESTS>
|
||||
|
||||
add_test(function test_computeDigest() {
|
||||
_prepareConfig().then(() => {
|
||||
PersistentDataBlock._computeDigest().then(digest => {
|
||||
// So in order to update this value in a future (should only happens if the partition data is changed), you just need
|
||||
// to launch this test manually, see the result in the logs and update this constant with that value.
|
||||
const _EXPECTED_VALUE = "0004107e05f0e20dd0aa0ed0110900e01d0260100300bd04409e0cc04b0650be02e09909f0860f00fc05b033000d0";
|
||||
let calculatedValue = toHexString(digest.calculated);
|
||||
strictEqual(calculatedValue, _EXPECTED_VALUE);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_computeDigest failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_getDataFieldSize() {
|
||||
PersistentDataBlock.getDataFieldSize().then(dataFieldLength => {
|
||||
log("test_getDataFieldSize: dataFieldLength is " + dataFieldLength);
|
||||
strictEqual(dataFieldLength, 6);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_getOemUnlockedEnabled failed: ex:" + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_setOemUnlockedEnabledToTrue() {
|
||||
PersistentDataBlock.setOemUnlockEnabled(true).then(() => {
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
log("test_setOemUnlockedEnabledToTrue: byte = " + byte );
|
||||
strictEqual(byte, 1);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_setOemUnlockedEnabledToTrue failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_setOemUnlockedEnabledToFalse() {
|
||||
PersistentDataBlock.setOemUnlockEnabled(false).then(() => {
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
log("test_setOemUnlockedEnabledToFalse: byte = " + byte );
|
||||
strictEqual(byte, 0);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_setOemUnlockedEnabledToFalse failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_getOemUnlockedEnabledWithTrue() {
|
||||
// We first need to set the OEM Unlock Enabled byte to true so we can test
|
||||
// the getter properly
|
||||
PersistentDataBlock.setOemUnlockEnabled(true).then(() => {
|
||||
return PersistentDataBlock.getOemUnlockEnabled().then(enabled => {
|
||||
log("test_getOemUnlockedEnabledWithTrue: enabled is " + enabled);
|
||||
ok(enabled === true, "test_getOemUnlockedEnabledWithTrue: enabled value should be true");
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_getOemUnlockedEnabledWithTrue failed: ex:" + ex);
|
||||
});
|
||||
}).catch(ex => {
|
||||
ok(false, "test_getOemUnlockedEnabledWithTrue failed: An error ocurred while setting the OEM Unlock Enabled byte to true: ex:" + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_getOemUnlockedEnabledWithFalse() {
|
||||
// We first need to set the OEM Unlock Enabled byte to false so we can test
|
||||
// the getter properly
|
||||
PersistentDataBlock.setOemUnlockEnabled(false).then(() => {
|
||||
return PersistentDataBlock.getOemUnlockEnabled().then(enabled => {
|
||||
log("test_getOemUnlockedEnabledWithFalse: enabled is " + enabled);
|
||||
ok(enabled === false, "test_getOemUnlockedEnabledWithFalse: enabled value should be false");
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_getOemUnlockedEnabledWithFalse failed: ex:" + ex);
|
||||
});
|
||||
}).catch(ex => {
|
||||
ok(false, "test_getOemUnlockedEnabledWithFalse failed: An error ocurred while setting the OEM Unlock Enabled byte to false: ex:" + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_computeAndWriteDigest() {
|
||||
PersistentDataBlock._computeAndWriteDigest().then(() => {
|
||||
return utils_getHeader();
|
||||
}).then(header => {
|
||||
log("test_computeAndWriteDigest: header = " + header);
|
||||
let magicRead = new Uint32Array(header.magic.buffer);
|
||||
let magicSupposed = new Uint32Array([PARTITION_MAGIC]);
|
||||
strictEqual(magicRead[0], magicSupposed[0]);
|
||||
let dataLength = new Uint32Array([header.dataLength]);
|
||||
strictEqual(header.dataLength[0], 6);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_computeAndWriteDigest failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_formatIfOemUnlockEnabledWithTrue() {
|
||||
_prepareConfig({oem:true}).then(() => {
|
||||
return PersistentDataBlock._formatIfOemUnlockEnabled();
|
||||
}).then(result => {
|
||||
ok(result === true, "test_formatIfOemUnlockEnabledWithTrue: result should be true");
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
// Check if the OEM Unlock Enabled byte is 1
|
||||
strictEqual(byte, 1);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_formatIfOemUnlockEnabledWithTrue failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_formatIfOemUnlockEnabledWithFalse() {
|
||||
_prepareConfig({oem:false}).then(() => {
|
||||
return PersistentDataBlock._formatIfOemUnlockEnabled();
|
||||
}).then(result => {
|
||||
log("test_formatIfOemUnlockEnabledWithFalse: result = " + result);
|
||||
ok(result === false, "test_formatIfOemUnlockEnabledWithFalse: result should be false");
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
// Check if the OEM Unlock Enabled byte is 0
|
||||
strictEqual(byte, 0);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_formatIfOemUnlockEnabledWithFalse failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_formatPartition() {
|
||||
// Restore a fullfilled partition so we can check if formatting works...
|
||||
_prepareConfig({oem:true}).then(() => {
|
||||
return PersistentDataBlock._formatPartition(true);
|
||||
}).then(() => {
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
// Check if the last byte is 1
|
||||
strictEqual(byte, 1);
|
||||
return utils_getHeader();
|
||||
}).then(header => {
|
||||
// The Magic number should exists in a formatted partition
|
||||
let magicRead = new Uint32Array(header.magic.buffer);
|
||||
let magicSupposed = new Uint32Array([PARTITION_MAGIC]);
|
||||
strictEqual(magicRead[0], magicSupposed[0]);
|
||||
// In a formatted partition, the digest field is always 32 bytes of zeros.
|
||||
let digestSupposed = new Uint8Array(DIGEST_SIZE_BYTES);
|
||||
strictEqual(header.digest.join(""), "94227253995810864198417798821014713171138121254110134189198178208133167236184116199");
|
||||
return PersistentDataBlock._formatPartition(false);
|
||||
}).then(() => {
|
||||
return utils_getByteAt(PersistentDataBlock._getBlockDeviceSize() - 1);
|
||||
}).then(byte => {
|
||||
// In this case OEM Unlock enabled byte should be set to 0 because we passed false to the _formatPartition method before.
|
||||
strictEqual(byte, 0);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_formatPartition failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_enforceChecksumValidityWithValidChecksum() {
|
||||
// We need a valid partition layout to pass this test
|
||||
_prepareConfig().then(() => {
|
||||
PersistentDataBlock._enforceChecksumValidity().then(() => {
|
||||
ok(true, "test_enforceChecksumValidityWithValidChecksum passed");
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_enforceChecksumValidityWithValidChecksum failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_enforceChecksumValidityWithInvalidChecksum() {
|
||||
var badDigest = new Uint8Array([0x01, 0x02, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07,
|
||||
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
|
||||
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
||||
0x18, 0x19, 0x1A, 0x1C, 0x1D, 0x1E, 0x1F, 0x20]);
|
||||
// We need a valid partition layout to pass this test
|
||||
_prepareConfig({digest: badDigest}).then(() => {
|
||||
PersistentDataBlock._enforceChecksumValidity().then(() => {
|
||||
return utils_getHeader();
|
||||
}).then(header => {
|
||||
// Check that we have a valid magic after formatting
|
||||
let magicRead = new Uint32Array(header.magic.buffer)[0];
|
||||
let magicSupposed = new Uint32Array([PARTITION_MAGIC])[0];
|
||||
strictEqual(magicRead, magicSupposed);
|
||||
// Data length field should be 0, because we formatted the partition
|
||||
let dataLengthRead = new Uint32Array(header.dataLength.buffer)[0];
|
||||
strictEqual(dataLengthRead, 0);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_enforceChecksumValidityWithValidChecksum failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
add_test(function test_read() {
|
||||
// Before reading, let's write some bytes of data first.
|
||||
PersistentDataBlock.write(new Uint8Array([1,2,3,4])).then(() => {
|
||||
PersistentDataBlock.read().then(bytes => {
|
||||
log("test_read: bytes (in hex): " + toHexString(bytes));
|
||||
strictEqual(bytes[0], 1);
|
||||
strictEqual(bytes[1], 2);
|
||||
strictEqual(bytes[2], 3);
|
||||
strictEqual(bytes[3], 4);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_read failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
add_test(function test_write() {
|
||||
let data = new Uint8Array(['1','2','3','4','5']);
|
||||
PersistentDataBlock.write(data).then(bytesWrittenLength => {
|
||||
log("test_write: bytesWrittenLength = " + bytesWrittenLength);
|
||||
return utils_getData();
|
||||
}).then(data => {
|
||||
strictEqual(data[0], 1);
|
||||
strictEqual(data[1], 2);
|
||||
strictEqual(data[2], 3);
|
||||
strictEqual(data[3], 4);
|
||||
strictEqual(data[4], 5);
|
||||
run_next_test();
|
||||
}).catch(ex => {
|
||||
ok(false, "test_write failed!: ex: " + ex);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
||||
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
Cu.import("resource://gre/modules/NetUtil.jsm");
|
||||
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
||||
|
||||
XPCOMUtils.defineLazyGetter(this, "libcutils", function () {
|
||||
Cu.import("resource://gre/modules/systemlibs.js");
|
||||
return libcutils;
|
||||
});
|
||||
|
||||
function run_test() {
|
||||
do_get_profile();
|
||||
Cu.import("resource://gre/modules/PersistentDataBlock.jsm");
|
||||
// We need to point to a valid partition for some of the tests. This is the /cache
|
||||
// partition in the emulator (x86-KitaKat).
|
||||
run_next_test();
|
||||
}
|
||||
|
||||
_installTests();
|
||||
|
|
@ -50,3 +50,9 @@ skip-if = (toolkit == "gonk")
|
|||
head = file_killswitch.js
|
||||
# Bug 1193677: disable on B2G ICS Emulator for intermittent failures with IndexedDB
|
||||
skip-if = ((toolkit != "gonk") || (toolkit == "gonk" && debug))
|
||||
|
||||
[test_persistentdatablock_gonk.js]
|
||||
head = file_persistentdatablock.js
|
||||
skip-if = (toolkit != "gonk")
|
||||
|
||||
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче