1 /* 2 * Copyright 2015, Intel Corporation 3 * Copyright (C) 2015 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 * Written by William Roberts <william.c.roberts (at) intel.com> 18 * 19 * This is a parser library for parsing the packages.list file generated 20 * by PackageManager service. 21 * 22 * This simple parser is sensitive to format changes in 23 * frameworks/base/services/core/java/com/android/server/pm/Settings.java 24 * A dependency note has been added to that file to correct 25 * this parser. 26 */ 27 28 #ifndef PACKAGELISTPARSER_H_ 29 #define PACKAGELISTPARSER_H_ 30 31 #include <stdbool.h> 32 #include <sys/cdefs.h> 33 #include <sys/types.h> 34 35 __BEGIN_DECLS 36 37 /** The file containing the list of installed packages on the system */ 38 #define PACKAGES_LIST_FILE "/data/system/packages.list" 39 40 typedef struct pkg_info pkg_info; 41 typedef struct gid_list gid_list; 42 43 struct gid_list { 44 size_t cnt; 45 gid_t *gids; 46 }; 47 48 struct pkg_info { 49 char *name; 50 uid_t uid; 51 bool debuggable; 52 char *data_dir; 53 char *seinfo; 54 gid_list gids; 55 void *private_data; 56 }; 57 58 /** 59 * Callback function to be used by packagelist_parse() routine. 60 * @param info 61 * The parsed package information 62 * @param userdata 63 * The supplied userdata pointer to packagelist_parse() 64 * @return 65 * true to keep processing, false to stop. 66 */ 67 typedef bool (*pfn_on_package)(pkg_info *info, void *userdata); 68 69 /** 70 * Parses the file specified by PACKAGES_LIST_FILE and invokes the callback on 71 * each entry found. Once the callback is invoked, ownership of the pkg_info pointer 72 * is passed to the callback routine, thus they are required to perform any cleanup 73 * desired. 74 * @param callback 75 * The callback function called on each parsed line of the packages list. 76 * @param userdata 77 * An optional userdata supplied pointer to pass to the callback function. 78 * @return 79 * true on success false on failure. 80 */ 81 extern bool packagelist_parse(pfn_on_package callback, void *userdata); 82 83 /** 84 * Frees a pkg_info structure. 85 * @param info 86 * The struct to free 87 */ 88 extern void packagelist_free(pkg_info *info); 89 90 __END_DECLS 91 92 #endif /* PACKAGELISTPARSER_H_ */ 93
