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41 results

property_service.c

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  • property_service.c 17.16 KiB
    /*
     * Copyright (C) 2007 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.
     */
    
    #include <stdio.h>
    #include <stdlib.h>
    #include <unistd.h>
    #include <string.h>
    #include <ctype.h>
    #include <fcntl.h>
    #include <stdarg.h>
    #include <dirent.h>
    #include <limits.h>
    #include <errno.h>
    
    #include <cutils/misc.h>
    #include <cutils/sockets.h>
    #include <cutils/multiuser.h>
    
    #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
    #include <sys/_system_properties.h>
    
    #include <sys/socket.h>
    #include <sys/un.h>
    #include <sys/select.h>
    #include <sys/types.h>
    #include <netinet/in.h>
    #include <sys/mman.h>
    #include <sys/atomics.h>
    #include <private/android_filesystem_config.h>
    
    #include <selinux/selinux.h>
    #include <selinux/label.h>
    
    #include "property_service.h"
    #include "init.h"
    #include "util.h"
    #include "log.h"
    
    #define PERSISTENT_PROPERTY_DIR  "/data/property"
    
    static int persistent_properties_loaded = 0;
    static int property_area_inited = 0;
    
    static int property_set_fd = -1;
    
    /* White list of permissions for setting property services. */
    struct {
        const char *prefix;
        unsigned int uid;
        unsigned int gid;
    } property_perms[] = {
        { "net.rmnet0.",      AID_RADIO,    0 },
        { "net.gprs.",        AID_RADIO,    0 },
        { "net.ppp",          AID_RADIO,    0 },
        { "net.qmi",          AID_RADIO,    0 },
        { "net.lte",          AID_RADIO,    0 },
        { "net.cdma",         AID_RADIO,    0 },