summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--cmds/content/Android.mk31
-rw-r--r--cmds/content/MODULE_LICENSE_APACHE20
-rw-r--r--cmds/content/NOTICE190
-rwxr-xr-xcmds/content/content5
-rw-r--r--cmds/content/src/com/android/commands/content/Content.java442
-rw-r--r--core/java/android/app/ActivityManagerNative.java59
-rw-r--r--core/java/android/app/IActivityManager.java7
-rw-r--r--core/res/AndroidManifest.xml11
-rwxr-xr-xcore/res/res/values/strings.xml8
-rw-r--r--data/etc/platform.xml1
-rw-r--r--services/java/com/android/server/am/ActivityManagerService.java73
-rw-r--r--services/java/com/android/server/am/ContentProviderRecord.java106
12 files changed, 899 insertions, 34 deletions
diff --git a/cmds/content/Android.mk b/cmds/content/Android.mk
new file mode 100644
index 0000000..33fd664
--- /dev/null
+++ b/cmds/content/Android.mk
@@ -0,0 +1,31 @@
+# Copyright 2012 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+LOCAL_MODULE := content
+include $(BUILD_JAVA_LIBRARY)
+
+include $(CLEAR_VARS)
+ALL_PREBUILT += $(TARGET_OUT)/bin/content
+$(TARGET_OUT)/bin/content : $(LOCAL_PATH)/content | $(ACP)
+ $(transform-prebuilt-to-target)
+
+NOTICE_FILE := NOTICE
+files_noticed := bin/content
+
+# Generate rules for a single file. The argument is the file path relative to
+# the installation root
+define make-notice-file
+
+$(TARGET_OUT_NOTICE_FILES)/src/$(1).txt: $(LOCAL_PATH)/$(NOTICE_FILE)
+ @echo Notice file: $$< -- $$@
+ @mkdir -p $$(dir $$@)
+ @cat $$< >> $$@
+
+$(TARGET_OUT_NOTICE_FILES)/hash-timestamp: $(TARGET_OUT_NOTICE_FILES)/src/$(1).txt
+
+endef
+
+$(foreach file,$(files_noticed),$(eval $(call make-notice-file,$(file))))
diff --git a/cmds/content/MODULE_LICENSE_APACHE2 b/cmds/content/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cmds/content/MODULE_LICENSE_APACHE2
diff --git a/cmds/content/NOTICE b/cmds/content/NOTICE
new file mode 100644
index 0000000..33ff961
--- /dev/null
+++ b/cmds/content/NOTICE
@@ -0,0 +1,190 @@
+
+ Copyright (c) 2005-2012, The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
diff --git a/cmds/content/content b/cmds/content/content
new file mode 100755
index 0000000..a8e056d
--- /dev/null
+++ b/cmds/content/content
@@ -0,0 +1,5 @@
+# Script to start "content" on the device, which has a very rudimentary shell.
+base=/system
+export CLASSPATH=$base/framework/content.jar
+exec app_process $base/bin com.android.commands.content.Content "$@"
+
diff --git a/cmds/content/src/com/android/commands/content/Content.java b/cmds/content/src/com/android/commands/content/Content.java
new file mode 100644
index 0000000..1dcba70
--- /dev/null
+++ b/cmds/content/src/com/android/commands/content/Content.java
@@ -0,0 +1,442 @@
+/*
+** Copyright 2012, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package com.android.commands.content;
+
+import android.app.ActivityManagerNative;
+import android.app.IActivityManager;
+import android.app.IActivityManager.ContentProviderHolder;
+import android.content.ContentValues;
+import android.content.IContentProvider;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.IBinder;
+import android.text.TextUtils;
+
+/**
+ * This class is a command line utility for manipulating content. A client
+ * can insert, update, and remove records in a content provider. For example,
+ * some settings may be configured before running the CTS tests, etc.
+ * <p>
+ * Examples:
+ * <ul>
+ * <li>
+ * # Add "new_setting" secure setting with value "new_value".</br>
+ * adb shell content insert --uri content://settings/secure --bind name:s:new_setting
+ * --bind value:s:new_value
+ * </li>
+ * <li>
+ * # Change "new_setting" secure setting to "newer_value" (You have to escape single quotes in
+ * the where clause).</br>
+ * adb shell content update --uri content://settings/secure --bind value:s:newer_value
+ * --where "name=\'new_setting\'"
+ * </li>
+ * <li>
+ * # Remove "new_setting" secure setting.</br>
+ * adb shell content delete --uri content://settings/secure --where "name=\'new_setting\'"
+ * </li>
+ * <li>
+ * # Query \"name\" and \"value\" columns from secure settings where \"name\" is equal to"
+ * \"new_setting\" and sort the result by name in ascending order.\n"
+ * adb shell content query --uri content://settings/secure --projection name:value
+ * --where "name=\'new_setting\'" --sort \"name ASC\"
+ * </li>
+ * </ul>
+ * </p>
+ */
+public class Content {
+
+ private static final String USAGE =
+ "usage: adb shell content [subcommand] [options]\n"
+ + "\n"
+ + "usage: adb shell content insert --uri <URI> --bind <BINDING> [--bind <BINDING>...]\n"
+ + " <URI> a content provider URI.\n"
+ + " <BINDING> binds a typed value to a column and is formatted:\n"
+ + " <COLUMN_NAME>:<TYPE>:<COLUMN_VALUE> where:\n"
+ + " <TYPE> specifies data type such as:\n"
+ + " b - boolean, s - string, i - integer, l - long, f - float, d - double\n"
+ + " Example:\n"
+ + " # Add \"new_setting\" secure setting with value \"new_value\".\n"
+ + " adb shell content insert --uri content://settings/secure --bind name:s:new_setting"
+ + " --bind value:s:new_value\n"
+ + "\n"
+ + "usage: adb shell content update --uri <URI> [--where <WHERE>]\n"
+ + " <WHERE> is a SQL style where clause in quotes (You have to escape single quotes"
+ + " - see example below).\n"
+ + " Example:\n"
+ + " # Change \"new_setting\" secure setting to \"newer_value\".\n"
+ + " adb shell content update --uri content://settings/secure --bind"
+ + " value:s:newer_value --where \"name=\'new_setting\'\"\n"
+ + "\n"
+ + "usage: adb shell content delete --uri <URI> --bind <BINDING>"
+ + " [--bind <BINDING>...] [--where <WHERE>]\n"
+ + " Example:\n"
+ + " # Remove \"new_setting\" secure setting.\n"
+ + " adb shell content delete --uri content://settings/secure "
+ + "--where \"name=\'new_setting\'\"\n"
+ + "\n"
+ + "usage: adb shell content query --uri <URI> [--projection <PROJECTION>]"
+ + " [--where <WHERE>] [--sort <SORT_ORDER>]\n"
+ + " <PROJECTION> is a list of colon separated column names and is formatted:\n"
+ + " <COLUMN_NAME>[:<COLUMN_NAME>...]\n"
+ + " <SORT_OREDER> is the order in which rows in the result should be sorted.\n"
+ + " Example:\n"
+ + " # Select \"name\" and \"value\" columns from secure settings where \"name\" is "
+ + "equal to \"new_setting\" and sort the result by name in ascending order.\n"
+ + " adb shell content query --uri content://settings/secure --projection name:value"
+ + " --where \"name=\'new_setting\'\" --sort \"name ASC\"\n"
+ + "\n";
+
+ private static class Parser {
+ private static final String ARGUMENT_INSERT = "insert";
+ private static final String ARGUMENT_DELETE = "delete";
+ private static final String ARGUMENT_UPDATE = "update";
+ private static final String ARGUMENT_QUERY = "query";
+ private static final String ARGUMENT_WHERE = "--where";
+ private static final String ARGUMENT_BIND = "--bind";
+ private static final String ARGUMENT_URI = "--uri";
+ private static final String ARGUMENT_PROJECTION = "--projection";
+ private static final String ARGUMENT_SORT = "--sort";
+ private static final String TYPE_BOOLEAN = "b";
+ private static final String TYPE_STRING = "s";
+ private static final String TYPE_INTEGER = "i";
+ private static final String TYPE_LONG = "l";
+ private static final String TYPE_FLOAT = "f";
+ private static final String TYPE_DOUBLE = "d";
+ private static final String COLON = ":";
+ private static final String ARGUMENT_PREFIX = "--";
+
+ private final Tokenizer mTokenizer;
+
+ public Parser(String[] args) {
+ mTokenizer = new Tokenizer(args);
+ }
+
+ public Command parseCommand() {
+ try {
+ String operation = mTokenizer.nextArg();
+ if (ARGUMENT_INSERT.equals(operation)) {
+ return parseInsertCommand();
+ } else if (ARGUMENT_DELETE.equals(operation)) {
+ return parseDeleteCommand();
+ } else if (ARGUMENT_UPDATE.equals(operation)) {
+ return parseUpdateCommand();
+ } else if (ARGUMENT_QUERY.equals(operation)) {
+ return parseQueryCommand();
+ } else {
+ throw new IllegalArgumentException("Unsupported operation: " + operation);
+ }
+ } catch (IllegalArgumentException iae) {
+ System.out.println(USAGE);
+ System.out.println("[ERROR] " + iae.getMessage());
+ return null;
+ }
+ }
+
+ private InsertCommand parseInsertCommand() {
+ Uri uri = null;
+ ContentValues values = new ContentValues();
+ for (String argument; (argument = mTokenizer.nextArg()) != null;) {
+ if (ARGUMENT_URI.equals(argument)) {
+ uri = Uri.parse(argumentValueRequired(argument));
+ } else if (ARGUMENT_BIND.equals(argument)) {
+ parseBindValue(values);
+ } else {
+ throw new IllegalArgumentException("Unsupported argument: " + argument);
+ }
+ }
+ if (uri == null) {
+ throw new IllegalArgumentException("Content provider URI not specified."
+ + " Did you specify --uri argument?");
+ }
+ if (values.size() == 0) {
+ throw new IllegalArgumentException("Bindings not specified."
+ + " Did you specify --bind argument(s)?");
+ }
+ return new InsertCommand(uri, values);
+ }
+
+ private DeleteCommand parseDeleteCommand() {
+ Uri uri = null;
+ String where = null;
+ for (String argument; (argument = mTokenizer.nextArg())!= null;) {
+ if (ARGUMENT_URI.equals(argument)) {
+ uri = Uri.parse(argumentValueRequired(argument));
+ } else if (ARGUMENT_WHERE.equals(argument)) {
+ where = argumentValueRequired(argument);
+ } else {
+ throw new IllegalArgumentException("Unsupported argument: " + argument);
+ }
+ }
+ if (uri == null) {
+ throw new IllegalArgumentException("Content provider URI not specified."
+ + " Did you specify --uri argument?");
+ }
+ return new DeleteCommand(uri, where);
+ }
+
+ private UpdateCommand parseUpdateCommand() {
+ Uri uri = null;
+ String where = null;
+ ContentValues values = new ContentValues();
+ for (String argument; (argument = mTokenizer.nextArg())!= null;) {
+ if (ARGUMENT_URI.equals(argument)) {
+ uri = Uri.parse(argumentValueRequired(argument));
+ } else if (ARGUMENT_WHERE.equals(argument)) {
+ where = argumentValueRequired(argument);
+ } else if (ARGUMENT_BIND.equals(argument)) {
+ parseBindValue(values);
+ } else {
+ throw new IllegalArgumentException("Unsupported argument: " + argument);
+ }
+ }
+ if (uri == null) {
+ throw new IllegalArgumentException("Content provider URI not specified."
+ + " Did you specify --uri argument?");
+ }
+ if (values.size() == 0) {
+ throw new IllegalArgumentException("Bindings not specified."
+ + " Did you specify --bind argument(s)?");
+ }
+ return new UpdateCommand(uri, values, where);
+ }
+
+ public QueryCommand parseQueryCommand() {
+ Uri uri = null;
+ String[] projection = null;
+ String sort = null;
+ String where = null;
+ for (String argument; (argument = mTokenizer.nextArg())!= null;) {
+ if (ARGUMENT_URI.equals(argument)) {
+ uri = Uri.parse(argumentValueRequired(argument));
+ } else if (ARGUMENT_WHERE.equals(argument)) {
+ where = argumentValueRequired(argument);
+ } else if (ARGUMENT_SORT.equals(argument)) {
+ sort = argumentValueRequired(argument);
+ } else if (ARGUMENT_PROJECTION.equals(argument)) {
+ projection = argumentValueRequired(argument).split("[\\s]*:[\\s]*");
+ } else {
+ throw new IllegalArgumentException("Unsupported argument: " + argument);
+ }
+ }
+ if (uri == null) {
+ throw new IllegalArgumentException("Content provider URI not specified."
+ + " Did you specify --uri argument?");
+ }
+ return new QueryCommand(uri, projection, where, sort);
+ }
+
+ private void parseBindValue(ContentValues values) {
+ String argument = mTokenizer.nextArg();
+ if (TextUtils.isEmpty(argument)) {
+ throw new IllegalArgumentException("Binding not well formed: " + argument);
+ }
+ String[] binding = argument.split(COLON);
+ if (binding.length != 3) {
+ throw new IllegalArgumentException("Binding not well formed: " + argument);
+ }
+ String column = binding[0];
+ String type = binding[1];
+ String value = binding[2];
+ if (TYPE_STRING.equals(type)) {
+ values.put(column, value);
+ } else if (TYPE_BOOLEAN.equalsIgnoreCase(type)) {
+ values.put(column, Boolean.parseBoolean(value));
+ } else if (TYPE_INTEGER.equalsIgnoreCase(type) || TYPE_LONG.equalsIgnoreCase(type)) {
+ values.put(column, Long.parseLong(value));
+ } else if (TYPE_FLOAT.equalsIgnoreCase(type) || TYPE_DOUBLE.equalsIgnoreCase(type)) {
+ values.put(column, Double.parseDouble(value));
+ } else {
+ throw new IllegalArgumentException("Unsupported type: " + type);
+ }
+ }
+
+ private String argumentValueRequired(String argument) {
+ String value = mTokenizer.nextArg();
+ if (TextUtils.isEmpty(value) || value.startsWith(ARGUMENT_PREFIX)) {
+ throw new IllegalArgumentException("No value for argument: " + argument);
+ }
+ return value;
+ }
+ }
+
+ private static class Tokenizer {
+ private final String[] mArgs;
+ private int mNextArg;
+
+ public Tokenizer(String[] args) {
+ mArgs = args;
+ }
+
+ private String nextArg() {
+ if (mNextArg < mArgs.length) {
+ return mArgs[mNextArg++];
+ } else {
+ return null;
+ }
+ }
+ }
+
+ private static abstract class Command {
+ final Uri mUri;
+
+ public Command(Uri uri) {
+ mUri = uri;
+ }
+
+ public final void execute() {
+ String providerName = mUri.getAuthority();
+ try {
+ IActivityManager activityManager = ActivityManagerNative.getDefault();
+ IContentProvider provider = null;
+ IBinder token = new Binder();
+ try {
+ ContentProviderHolder holder = activityManager.getContentProviderExternal(
+ providerName, token);
+ if (holder == null) {
+ throw new IllegalStateException("Could not find provider: " + providerName);
+ }
+ provider = holder.provider;
+ onExecute(provider);
+ } finally {
+ if (provider != null) {
+ activityManager.removeContentProviderExternal(providerName, token);
+ }
+ }
+ } catch (Exception e) {
+ System.err.println("Error while accessing provider:" + providerName);
+ e.printStackTrace();
+ }
+ }
+
+ protected abstract void onExecute(IContentProvider provider) throws Exception;
+ }
+
+ private static class InsertCommand extends Command {
+ final ContentValues mContentValues;
+
+ public InsertCommand(Uri uri, ContentValues contentValues) {
+ super(uri);
+ mContentValues = contentValues;
+ }
+
+ @Override
+ public void onExecute(IContentProvider provider) throws Exception {
+ provider.insert(mUri, mContentValues);
+ }
+ }
+
+ private static class DeleteCommand extends Command {
+ final String mWhere;
+
+ public DeleteCommand(Uri uri, String where) {
+ super(uri);
+ mWhere = where;
+ }
+
+ @Override
+ public void onExecute(IContentProvider provider) throws Exception {
+ provider.delete(mUri, mWhere, null);
+ }
+ }
+
+ private static class QueryCommand extends DeleteCommand {
+ final String[] mProjection;
+ final String mSortOrder;
+
+ public QueryCommand(Uri uri, String[] projection, String where, String sortOrder) {
+ super(uri, where);
+ mProjection = projection;
+ mSortOrder = sortOrder;
+ }
+
+ @Override
+ public void onExecute(IContentProvider provider) throws Exception {
+ Cursor cursor = provider.query(mUri, mProjection, mWhere, null, mSortOrder, null);
+ if (cursor == null) {
+ System.out.println("No result found.");
+ return;
+ }
+ try {
+ if (cursor.moveToFirst()) {
+ int rowIndex = 0;
+ StringBuilder builder = new StringBuilder();
+ do {
+ builder.setLength(0);
+ builder.append("Row: ").append(rowIndex).append(" ");
+ rowIndex++;
+ final int columnCount = cursor.getColumnCount();
+ for (int i = 0; i < columnCount; i++) {
+ if (i > 0) {
+ builder.append(", ");
+ }
+ String columnName = cursor.getColumnName(i);
+ String columnValue = null;
+ final int columnIndex = cursor.getColumnIndex(columnName);
+ final int type = cursor.getType(columnIndex);
+ switch (type) {
+ case Cursor.FIELD_TYPE_FLOAT:
+ columnValue = String.valueOf(cursor.getFloat(columnIndex));
+ break;
+ case Cursor.FIELD_TYPE_INTEGER:
+ columnValue = String.valueOf(cursor.getInt(columnIndex));
+ break;
+ case Cursor.FIELD_TYPE_STRING:
+ columnValue = cursor.getString(columnIndex);
+ break;
+ case Cursor.FIELD_TYPE_BLOB:
+ columnValue = "BLOB";
+ break;
+ case Cursor.FIELD_TYPE_NULL:
+ columnValue = "NULL";
+ break;
+ }
+ builder.append(columnName).append("=").append(columnValue);
+ }
+ System.out.println(builder);
+ } while (cursor.moveToNext());
+ } else {
+ System.out.println("No reuslt found.");
+ }
+ } finally {
+ cursor.close();
+ }
+ }
+ }
+
+ private static class UpdateCommand extends InsertCommand {
+ final String mWhere;
+
+ public UpdateCommand(Uri uri, ContentValues contentValues, String where) {
+ super(uri, contentValues);
+ mWhere = where;
+ }
+
+ @Override
+ public void onExecute(IContentProvider provider) throws Exception {
+ provider.update(mUri, mContentValues, mWhere, null);
+ }
+ }
+
+ public static void main(String[] args) {
+ Parser parser = new Parser(args);
+ Command command = parser.parseCommand();
+ if (command != null) {
+ command.execute();
+ }
+ }
+}
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 5a36466..24079a5 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -581,6 +581,21 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
return true;
}
+ case GET_CONTENT_PROVIDER_EXTERNAL_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ String name = data.readString();
+ IBinder token = data.readStrongBinder();
+ ContentProviderHolder cph = getContentProviderExternal(name, token);
+ reply.writeNoException();
+ if (cph != null) {
+ reply.writeInt(1);
+ cph.writeToParcel(reply, 0);
+ } else {
+ reply.writeInt(0);
+ }
+ return true;
+ }
+
case PUBLISH_CONTENT_PROVIDERS_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
IBinder b = data.readStrongBinder();
@@ -601,7 +616,16 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
reply.writeNoException();
return true;
}
-
+
+ case REMOVE_CONTENT_PROVIDER_EXTERNAL_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ String name = data.readString();
+ IBinder token = data.readStrongBinder();
+ removeContentProviderExternal(name, token);
+ reply.writeNoException();
+ return true;
+ }
+
case GET_RUNNING_SERVICE_CONTROL_PANEL_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
ComponentName comp = ComponentName.CREATOR.createFromParcel(data);
@@ -2178,6 +2202,25 @@ class ActivityManagerProxy implements IActivityManager
reply.recycle();
return cph;
}
+ public ContentProviderHolder getContentProviderExternal(String name, IBinder token)
+ throws RemoteException
+ {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeString(name);
+ data.writeStrongBinder(token);
+ mRemote.transact(GET_CONTENT_PROVIDER_EXTERNAL_TRANSACTION, data, reply, 0);
+ reply.readException();
+ int res = reply.readInt();
+ ContentProviderHolder cph = null;
+ if (res != 0) {
+ cph = ContentProviderHolder.CREATOR.createFromParcel(reply);
+ }
+ data.recycle();
+ reply.recycle();
+ return cph;
+ }
public void publishContentProviders(IApplicationThread caller,
List<ContentProviderHolder> providers) throws RemoteException
{
@@ -2204,7 +2247,19 @@ class ActivityManagerProxy implements IActivityManager
data.recycle();
reply.recycle();
}
-
+
+ public void removeContentProviderExternal(String name, IBinder token) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeString(name);
+ data.writeStrongBinder(token);
+ mRemote.transact(REMOVE_CONTENT_PROVIDER_EXTERNAL_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
public PendingIntent getRunningServiceControlPanel(ComponentName service)
throws RemoteException
{
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index 7deb615..53a71db 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -150,8 +150,11 @@ public interface IActivityManager extends IInterface {
Bitmap thumbnail, CharSequence description) throws RemoteException;
public ContentProviderHolder getContentProvider(IApplicationThread caller,
String name) throws RemoteException;
+ public ContentProviderHolder getContentProviderExternal(String name, IBinder token)
+ throws RemoteException;
public void removeContentProvider(IApplicationThread caller,
String name) throws RemoteException;
+ public void removeContentProviderExternal(String name, IBinder token) throws RemoteException;
public void publishContentProviders(IApplicationThread caller,
List<ContentProviderHolder> providers) throws RemoteException;
public PendingIntent getRunningServiceControlPanel(ComponentName service)
@@ -415,7 +418,7 @@ public interface IActivityManager extends IInterface {
source.readStrongBinder());
noReleaseNeeded = source.readInt() != 0;
}
- };
+ }
/** Information returned after waiting for an activity start. */
public static class WaitResult implements Parcelable {
@@ -601,4 +604,6 @@ public interface IActivityManager extends IInterface {
int SHOW_BOOT_MESSAGE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+137;
int DISMISS_KEYGUARD_ON_NEXT_ACTIVITY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+138;
int KILL_ALL_BACKGROUND_PROCESSES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+139;
+ int GET_CONTENT_PROVIDER_EXTERNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+140;
+ int REMOVE_CONTENT_PROVIDER_EXTERNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+141;
}
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 68c919e..a2b1117 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1521,6 +1521,17 @@
android:description="@string/permdesc_serialPort"
android:protectionLevel="normal" />
+ <!-- Allows the holder to access content providers from outside an ApplicationThread.
+ This permission is enforced by the ActivityManagerService on the corresponding APIs,
+ in particular ActivityManagerService#getContentProviderExternal(String) and
+ ActivityManagerService#removeContentProviderExternal(String).
+ @hide
+ -->
+ <permission android:name="android.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY"
+ android:label="@string/permlab_accessContentProvidersExternally"
+ android:description="@string/permdesc_accessContentProvidersExternally"
+ android:protectionLevel="signature" />
+
<!-- The system process is explicitly the only one allowed to launch the
confirmation UI for full backup/restore -->
<uses-permission android:name="android.permission.CONFIRM_FULL_BACKUP"/>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index c95dddd..061460a 100755
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -2248,6 +2248,14 @@
<!-- Description of an application permission which allows the application access serial ports via the SerialManager. [CHAR LIMIT=NONE] -->
<string name="permdesc_serialPort">Allows the holder to access serial ports using the SerialManager API.</string>
+ <!-- Title of an application permission which allows the holder to access content
+ providers from outside an ApplicationThread. [CHAR LIMIT=40] -->
+ <string name="permlab_accessContentProvidersExternally">access content providers externally</string>
+ <!-- Description of an application permission which allows the holder to access
+ content providers from outside an ApplicationThread. [CHAR LIMIT=NONE] -->
+ <string name="permdesc_accessContentProvidersExternally">Allows the holder to access content
+ providers from the shell. Should never be needed for normal apps.</string>
+
<!-- If the user enters a password in a form on a website, a dialog will come up asking if they want to save the password. Text in the save password dialog, asking if the browser should remember a password. -->
<string name="save_password_message">Do you want the browser to remember this password?</string>
<!-- If the user enters a password in a form on a website, a dialog will come up asking if they want to save the password. Button in the save password dialog, saying not to remember this password. -->
diff --git a/data/etc/platform.xml b/data/etc/platform.xml
index 6cd07a3..8be1db2 100644
--- a/data/etc/platform.xml
+++ b/data/etc/platform.xml
@@ -158,6 +158,7 @@
<assign-permission name="android.permission.BACKUP" uid="shell" />
<assign-permission name="android.permission.FORCE_STOP_PACKAGES" uid="shell" />
<assign-permission name="android.permission.STOP_APP_SWITCHES" uid="shell" />
+ <assign-permission name="android.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY" uid="shell" />
<assign-permission name="android.permission.MODIFY_AUDIO_SETTINGS" uid="media" />
<assign-permission name="android.permission.ACCESS_DRM" uid="media" />
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 9d5caae..7852123 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -5754,7 +5754,7 @@ public final class ActivityManagerService extends ActivityManagerNative
ComponentName comp = new ComponentName(cpi.packageName, cpi.name);
ContentProviderRecord cpr = mProviderMap.getProviderByClass(comp, userId);
if (cpr == null) {
- cpr = new ContentProviderRecord(cpi, app.info, comp);
+ cpr = new ContentProviderRecord(this, cpi, app.info, comp);
mProviderMap.putProviderByClass(comp, cpr);
}
if (DEBUG_MU)
@@ -5826,7 +5826,8 @@ public final class ActivityManagerService extends ActivityManagerNative
return msg;
}
- boolean incProviderCount(ProcessRecord r, ContentProviderRecord cpr) {
+ boolean incProviderCount(ProcessRecord r, final ContentProviderRecord cpr,
+ IBinder externalProcessToken) {
if (r != null) {
Integer cnt = r.conProviders.get(cpr);
if (DEBUG_PROVIDER) Slog.v(TAG,
@@ -5842,12 +5843,13 @@ public final class ActivityManagerService extends ActivityManagerNative
r.conProviders.put(cpr, new Integer(cnt.intValue()+1));
}
} else {
- cpr.externals++;
+ cpr.addExternalProcessHandleLocked(externalProcessToken);
}
return false;
}
- boolean decProviderCount(ProcessRecord r, ContentProviderRecord cpr) {
+ boolean decProviderCount(ProcessRecord r, final ContentProviderRecord cpr,
+ IBinder externalProcessToken) {
if (r != null) {
Integer cnt = r.conProviders.get(cpr);
if (DEBUG_PROVIDER) Slog.v(TAG,
@@ -5863,13 +5865,13 @@ public final class ActivityManagerService extends ActivityManagerNative
r.conProviders.put(cpr, new Integer(cnt.intValue()-1));
}
} else {
- cpr.externals++;
+ cpr.removeExternalProcessHandleLocked(externalProcessToken);
}
return false;
}
private final ContentProviderHolder getContentProviderImpl(IApplicationThread caller,
- String name) {
+ String name, IBinder token) {
ContentProviderRecord cpr;
ProviderInfo cpi = null;
@@ -5913,7 +5915,7 @@ public final class ActivityManagerService extends ActivityManagerNative
// In this case the provider instance already exists, so we can
// return it right away.
- final boolean countChanged = incProviderCount(r, cpr);
+ final boolean countChanged = incProviderCount(r, cpr, token);
if (countChanged) {
if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) {
// If this is a perceptible app accessing the provider,
@@ -5947,7 +5949,7 @@ public final class ActivityManagerService extends ActivityManagerNative
Slog.i(TAG,
"Existing provider " + cpr.name.flattenToShortString()
+ " is crashing; detaching " + r);
- boolean lastRef = decProviderCount(r, cpr);
+ boolean lastRef = decProviderCount(r, cpr, token);
appDiedLocked(cpr.proc, cpr.proc.pid, cpr.proc.thread);
if (!lastRef) {
// This wasn't the last ref our process had on
@@ -6005,7 +6007,7 @@ public final class ActivityManagerService extends ActivityManagerNative
return null;
}
ai = getAppInfoForUser(ai, Binder.getOrigCallingUser());
- cpr = new ContentProviderRecord(cpi, ai, comp);
+ cpr = new ContentProviderRecord(this, cpi, ai, comp);
} catch (RemoteException ex) {
// pm is in same process, this will never happen.
}
@@ -6075,8 +6077,9 @@ public final class ActivityManagerService extends ActivityManagerNative
if (firstClass) {
mProviderMap.putProviderByClass(comp, cpr);
}
+
mProviderMap.putProviderByName(name, cpr);
- incProviderCount(r, cpr);
+ incProviderCount(r, cpr, token);
}
}
@@ -6116,12 +6119,17 @@ public final class ActivityManagerService extends ActivityManagerNative
throw new SecurityException(msg);
}
- ContentProviderHolder contentProvider = getContentProviderImpl(caller, name);
- return contentProvider;
+ return getContentProviderImpl(caller, name, null);
+ }
+
+ public ContentProviderHolder getContentProviderExternal(String name, IBinder token) {
+ enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY,
+ "Do not have permission in call getContentProviderExternal()");
+ return getContentProviderExternalUnchecked(name, token);
}
- private ContentProviderHolder getContentProviderExternal(String name) {
- return getContentProviderImpl(null, name);
+ private ContentProviderHolder getContentProviderExternalUnchecked(String name,IBinder token) {
+ return getContentProviderImpl(null, name, token);
}
/**
@@ -6157,14 +6165,20 @@ public final class ActivityManagerService extends ActivityManagerNative
+ cpr.info.name + " in process " + r.processName);
return;
} else {
- if (decProviderCount(r, localCpr)) {
+ if (decProviderCount(r, localCpr, null)) {
updateOomAdjLocked();
}
}
}
}
- private void removeContentProviderExternal(String name) {
+ public void removeContentProviderExternal(String name, IBinder token) {
+ enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY,
+ "Do not have permission in call removeContentProviderExternal()");
+ removeContentProviderExternalUnchecked(name, token);
+ }
+
+ private void removeContentProviderExternalUnchecked(String name, IBinder token) {
synchronized (this) {
ContentProviderRecord cpr = mProviderMap.getProviderByName(name,
Binder.getOrigCallingUser());
@@ -6178,11 +6192,18 @@ public final class ActivityManagerService extends ActivityManagerNative
ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name);
ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp,
Binder.getOrigCallingUser());
- localCpr.externals--;
- if (localCpr.externals < 0) {
- Slog.e(TAG, "Externals < 0 for content provider " + localCpr);
+ if (localCpr.hasExternalProcessHandles()) {
+ if (localCpr.removeExternalProcessHandleLocked(token)) {
+ updateOomAdjLocked();
+ } else {
+ Slog.e(TAG, "Attmpt to remove content provider " + localCpr
+ + " with no external reference for token: "
+ + token + ".");
+ }
+ } else {
+ Slog.e(TAG, "Attmpt to remove content provider: " + localCpr
+ + " with no external references.");
}
- updateOomAdjLocked();
}
}
@@ -6286,7 +6307,7 @@ public final class ActivityManagerService extends ActivityManagerNative
ContentProviderHolder holder = null;
try {
- holder = getContentProviderExternal(name);
+ holder = getContentProviderExternalUnchecked(name, null);
if (holder != null) {
return holder.provider.getType(uri);
}
@@ -6295,7 +6316,7 @@ public final class ActivityManagerService extends ActivityManagerNative
return null;
} finally {
if (holder != null) {
- removeContentProviderExternal(name);
+ removeContentProviderExternalUnchecked(name, null);
}
Binder.restoreCallingIdentity(ident);
}
@@ -6400,7 +6421,7 @@ public final class ActivityManagerService extends ActivityManagerNative
public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException {
enforceNotIsolatedCaller("openContentUri");
String name = uri.getAuthority();
- ContentProviderHolder cph = getContentProviderExternal(name);
+ ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null);
ParcelFileDescriptor pfd = null;
if (cph != null) {
// We record the binder invoker's uid in thread-local storage before
@@ -6422,7 +6443,7 @@ public final class ActivityManagerService extends ActivityManagerNative
}
// We've got the fd now, so we're done with the provider.
- removeContentProviderExternal(name);
+ removeContentProviderExternalUnchecked(name, null);
} else {
Slog.d(TAG, "Failed to get provider for authority '" + name + "'");
}
@@ -10253,7 +10274,7 @@ public final class ActivityManagerService extends ActivityManagerNative
for (int i=0; i<NL; i++) {
ContentProviderRecord cpr = (ContentProviderRecord)
mLaunchingProviders.get(i);
- if (cpr.clients.size() <= 0 && cpr.externals <= 0) {
+ if (cpr.clients.size() <= 0 && !cpr.hasExternalProcessHandles()) {
synchronized (cpr) {
cpr.launchingApp = null;
cpr.notifyAll();
@@ -13455,7 +13476,7 @@ public final class ActivityManagerService extends ActivityManagerNative
// If the provider has external (non-framework) process
// dependencies, ensure that its adjustment is at least
// FOREGROUND_APP_ADJ.
- if (cpr.externals != 0) {
+ if (cpr.hasExternalProcessHandles()) {
if (adj > ProcessList.FOREGROUND_APP_ADJ) {
adj = ProcessList.FOREGROUND_APP_ADJ;
schedGroup = Process.THREAD_GROUP_DEFAULT;
diff --git a/services/java/com/android/server/am/ContentProviderRecord.java b/services/java/com/android/server/am/ContentProviderRecord.java
index 3835553..f338cfc 100644
--- a/services/java/com/android/server/am/ContentProviderRecord.java
+++ b/services/java/com/android/server/am/ContentProviderRecord.java
@@ -20,24 +20,35 @@ import android.app.IActivityManager.ContentProviderHolder;
import android.content.ComponentName;
import android.content.pm.ApplicationInfo;
import android.content.pm.ProviderInfo;
+import android.os.IBinder;
+import android.os.IBinder.DeathRecipient;
import android.os.Process;
+import android.os.RemoteException;
+import android.util.Slog;
import java.io.PrintWriter;
+import java.util.HashMap;
import java.util.HashSet;
class ContentProviderRecord extends ContentProviderHolder {
// All attached clients
final HashSet<ProcessRecord> clients = new HashSet<ProcessRecord>();
+ // Handles for non-framework processes supported by this provider
+ HashMap<IBinder, ExternalProcessHandle> externalProcessTokenToHandle;
+ // Count for external process for which we have no handles.
+ int externalProcessNoHandleCount;
+ final ActivityManagerService service;
final int uid;
final ApplicationInfo appInfo;
final ComponentName name;
- int externals; // number of non-framework processes supported by this provider
ProcessRecord proc; // if non-null, hosting process.
ProcessRecord launchingApp; // if non-null, waiting for this app to be launched.
String stringName;
-
- public ContentProviderRecord(ProviderInfo _info, ApplicationInfo ai, ComponentName _name) {
+
+ public ContentProviderRecord(ActivityManagerService _service, ProviderInfo _info,
+ ApplicationInfo ai, ComponentName _name) {
super(_info);
+ service = _service;
uid = ai.uid;
appInfo = ai;
name = _name;
@@ -50,6 +61,7 @@ class ContentProviderRecord extends ContentProviderHolder {
appInfo = cpr.appInfo;
name = cpr.name;
noReleaseNeeded = cpr.noReleaseNeeded;
+ service = cpr.service;
}
public boolean canRunHere(ProcessRecord app) {
@@ -57,6 +69,57 @@ class ContentProviderRecord extends ContentProviderHolder {
&& (uid == Process.SYSTEM_UID || uid == app.info.uid);
}
+ public void addExternalProcessHandleLocked(IBinder token) {
+ if (token == null) {
+ externalProcessNoHandleCount++;
+ } else {
+ if (externalProcessTokenToHandle == null) {
+ externalProcessTokenToHandle = new HashMap<IBinder, ExternalProcessHandle>();
+ }
+ ExternalProcessHandle handle = externalProcessTokenToHandle.get(token);
+ if (handle == null) {
+ handle = new ExternalProcessHandle(token);
+ externalProcessTokenToHandle.put(token, handle);
+ }
+ handle.mAcquisitionCount++;
+ }
+ }
+
+ public boolean removeExternalProcessHandleLocked(IBinder token) {
+ if (hasExternalProcessHandles()) {
+ boolean hasHandle = false;
+ if (externalProcessTokenToHandle != null) {
+ ExternalProcessHandle handle = externalProcessTokenToHandle.get(token);
+ if (handle != null) {
+ hasHandle = true;
+ handle.mAcquisitionCount--;
+ if (handle.mAcquisitionCount == 0) {
+ removeExternalProcessHandleInternalLocked(token);
+ return true;
+ }
+ }
+ }
+ if (!hasHandle) {
+ externalProcessNoHandleCount--;
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private void removeExternalProcessHandleInternalLocked(IBinder token) {
+ ExternalProcessHandle handle = externalProcessTokenToHandle.get(token);
+ handle.unlinkFromOwnDeathLocked();
+ externalProcessTokenToHandle.remove(token);
+ if (externalProcessTokenToHandle.size() == 0) {
+ externalProcessTokenToHandle = null;
+ }
+ }
+
+ public boolean hasExternalProcessHandles() {
+ return (externalProcessTokenToHandle != null || externalProcessNoHandleCount > 0);
+ }
+
void dump(PrintWriter pw, String prefix) {
pw.print(prefix); pw.print("package=");
pw.print(info.applicationInfo.packageName);
@@ -73,8 +136,9 @@ class ContentProviderRecord extends ContentProviderHolder {
pw.print("multiprocess="); pw.print(info.multiprocess);
pw.print(" initOrder="); pw.println(info.initOrder);
}
- if (externals != 0) {
- pw.print(prefix); pw.print("externals="); pw.println(externals);
+ if (hasExternalProcessHandles()) {
+ pw.print(prefix); pw.print("externals=");
+ pw.println(externalProcessTokenToHandle.size());
}
if (clients.size() > 0) {
pw.print(prefix); pw.println("Clients:");
@@ -84,6 +148,7 @@ class ContentProviderRecord extends ContentProviderHolder {
}
}
+ @Override
public String toString() {
if (stringName != null) {
return stringName;
@@ -96,4 +161,35 @@ class ContentProviderRecord extends ContentProviderHolder {
sb.append('}');
return stringName = sb.toString();
}
+
+ // This class represents a handle from an external process to a provider.
+ private class ExternalProcessHandle implements DeathRecipient {
+ private static final String LOG_TAG = "ExternalProcessHanldle";
+
+ private final IBinder mToken;
+ private int mAcquisitionCount;
+
+ public ExternalProcessHandle(IBinder token) {
+ mToken = token;
+ try {
+ token.linkToDeath(this, 0);
+ } catch (RemoteException re) {
+ Slog.e(LOG_TAG, "Couldn't register for death for token: " + mToken, re);
+ }
+ }
+
+ public void unlinkFromOwnDeathLocked() {
+ mToken.unlinkToDeath(this, 0);
+ }
+
+ @Override
+ public void binderDied() {
+ synchronized (service) {
+ if (hasExternalProcessHandles() &&
+ externalProcessTokenToHandle.get(mToken) != null) {
+ removeExternalProcessHandleInternalLocked(mToken);
+ }
+ }
+ }
+ }
}
generated by cgit v1.1 at 2024-05-20 15:43:56 +0000