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1--
2-- Copyright 2019 The Android Open Source Project
3--
4-- Licensed under the Apache License, Version 2.0 (the "License");
5-- you may not use this file except in compliance with the License.
6-- You may obtain a copy of the License at
7--
8--     https://www.apache.org/licenses/LICENSE-2.0
9--
10-- Unless required by applicable law or agreed to in writing, software
11-- distributed under the License is distributed on an "AS IS" BASIS,
12-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13-- See the License for the specific language governing permissions and
14-- limitations under the License.
15--
16
17DROP TABLE IF EXISTS uid_package_count;
18
19CREATE TABLE uid_package_count AS
20SELECT uid, COUNT(1) AS cnt
21FROM package_list
22GROUP BY 1;
23
24DROP TABLE IF EXISTS process_metadata_table;
25
26CREATE TABLE process_metadata_table AS
27SELECT
28  process.upid,
29  -- TODO(b/169226092) remove this workaround
30  CASE
31      -- cmdline gets rewritten after fork, if these are still there we must
32      -- have seen a racy capture.
33    WHEN length(process.name) = 15 AND (
34      process.cmdline in ('zygote', 'zygote64', '<pre-initialized>')
35      OR process.cmdline like '%' || process.name)
36    THEN process.cmdline
37    ELSE process.name
38  END AS process_name,
39  process.android_appid AS uid,
40  CASE WHEN uid_package_count.cnt > 1 THEN TRUE ELSE NULL END AS shared_uid,
41  plist.package_name,
42  plist.version_code,
43  plist.debuggable
44FROM process
45LEFT JOIN uid_package_count ON process.android_appid = uid_package_count.uid
46LEFT JOIN package_list plist
47ON (
48  process.android_appid = plist.uid
49  AND uid_package_count.uid = plist.uid
50  AND (
51    -- unique match
52    uid_package_count.cnt = 1
53    -- or process name starts with the package name
54    OR process.name LIKE plist.package_name || '%')
55  );
56
57DROP VIEW IF EXISTS process_metadata;
58
59CREATE VIEW process_metadata AS
60WITH upid_packages AS (
61  SELECT
62  upid,
63  RepeatedField(AndroidProcessMetadata_Package(
64    'package_name', package_list.package_name,
65    'apk_version_code', package_list.version_code,
66    'debuggable', package_list.debuggable
67  )) packages_for_uid
68  FROM process
69  JOIN package_list ON process.android_appid = package_list.uid
70  GROUP BY upid
71)
72SELECT
73  upid,
74  NULL_IF_EMPTY(AndroidProcessMetadata(
75    'name', process_name,
76    'uid', uid,
77    'package', NULL_IF_EMPTY(AndroidProcessMetadata_Package(
78      'package_name', package_name,
79      'apk_version_code', version_code,
80      'debuggable', debuggable
81    )),
82    'packages_for_uid', packages_for_uid
83  )) AS metadata
84FROM process_metadata_table
85LEFT JOIN upid_packages USING (upid);
86