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December 14, 2020 20:53
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// | |
// main.m | |
// test_dict | |
// | |
// Created by Jessica Munster on 2020-06-05. | |
// Copyright © 2020 Jessica Munster. All rights reserved. | |
// | |
#import <Foundation/Foundation.h> | |
#import <Foundation/Foundation.h> | |
#include <dlfcn.h> | |
NSDictionary *FCPrivateBatteryStatus() | |
{ | |
static mach_port_t *s_kIOMasterPortDefault; | |
static kern_return_t (*s_IORegistryEntryCreateCFProperties)(mach_port_t entry, CFMutableDictionaryRef *properties, CFAllocatorRef allocator, UInt32 options); | |
static mach_port_t (*s_IOServiceGetMatchingService)(mach_port_t masterPort, CFDictionaryRef matching CF_RELEASES_ARGUMENT); | |
static CFMutableDictionaryRef (*s_IOServiceMatching)(const char *name); | |
static CFMutableDictionaryRef g_powerSourceService; | |
static mach_port_t g_platformExpertDevice; | |
static BOOL foundSymbols = NO; | |
static dispatch_once_t onceToken; | |
dispatch_once(&onceToken, ^{ | |
void* handle = dlopen("/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit", RTLD_LAZY); | |
s_IORegistryEntryCreateCFProperties = dlsym(handle, "IORegistryEntryCreateCFProperties"); | |
s_kIOMasterPortDefault = dlsym(handle, "kIOMasterPortDefault"); | |
s_IOServiceMatching = dlsym(handle, "IOServiceMatching"); | |
s_IOServiceGetMatchingService = dlsym(handle, "IOServiceGetMatchingService"); | |
if (s_IORegistryEntryCreateCFProperties && s_IOServiceMatching && s_IOServiceGetMatchingService) { | |
g_powerSourceService = s_IOServiceMatching("IOPMPowerSource"); | |
g_platformExpertDevice = s_IOServiceGetMatchingService(*s_kIOMasterPortDefault, g_powerSourceService); | |
foundSymbols = (g_powerSourceService && g_platformExpertDevice); | |
} | |
}); | |
if (! foundSymbols) return nil; | |
CFMutableDictionaryRef prop = NULL; | |
s_IORegistryEntryCreateCFProperties(g_platformExpertDevice, &prop, 0, 0); | |
return prop ? ((NSDictionary *) CFBridgingRelease(prop)) : nil; | |
} | |
int main(int argc, const char * argv[]) { | |
@autoreleasepool { | |
NSDictionary* dict = FCPrivateBatteryStatus(); | |
for(NSString *key in [dict allKeys]) { | |
NSLog(@"%@ : %@",key, [dict objectForKey:key]); | |
} | |
} | |
return 0; | |
} |
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