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authorJay Freeman (saurik) <saurik@saurik.com>2011-03-03 12:21:33 -0800
committerJay Freeman (saurik) <saurik@saurik.com>2011-03-07 02:41:35 -0800
commit947a8eefa4cc11fbccdb9b1495ec0f0f28663bd9 (patch)
tree5b6b5e4fa2d67bc472c2855bc0c4016d61301e52
parentef777b72342d7c61fc50f6707fac34b460536452 (diff)
Simplify IORegistry work.
-rw-r--r--MobileCydia.mm52
1 files changed, 30 insertions, 22 deletions
diff --git a/MobileCydia.mm b/MobileCydia.mm
index c0ade05..0548647 100644
--- a/MobileCydia.mm
+++ b/MobileCydia.mm
@@ -939,6 +939,34 @@ bool isSectionVisible(NSString *section) {
return hidden == nil || ![hidden boolValue];
}
+static id CYIOGetValue(const char *path, NSString *property) {
+ io_registry_entry_t entry(IORegistryEntryFromPath(kIOMasterPortDefault, path));
+ if (entry == MACH_PORT_NULL)
+ return nil;
+
+ CFTypeRef value(IORegistryEntryCreateCFProperty(entry, (CFStringRef) property, kCFAllocatorDefault, 0));
+ IOObjectRelease(entry);
+
+ if (value == NULL)
+ return nil;
+ return [(id) value autorelease];
+}
+
+static NSString *CYHex(NSData *data, bool reverse, bool capital) {
+ if (data == nil)
+ return nil;
+
+ size_t length([data length]);
+ uint8_t bytes[length];
+ [data getBytes:bytes];
+
+ char string[length * 2 + 1];
+ for (size_t i(0); i != length; ++i)
+ sprintf(string + i * 2, capital ? "%.2X" : "%.2x", bytes[reverse ? length - i - 1 : i]);
+
+ return [NSString stringWithUTF8String:string];
+}
+
@class Cydia;
/* Delegate Prototypes {{{ */
@@ -10043,28 +10071,8 @@ int main(int argc, char *argv[]) { _pooled
else
Machine_ = machine;
- if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
- if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
- if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
- SerialNumber_ = [NSString stringWithString:(NSString *)serial];
- CFRelease(serial);
- }
-
- if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
- NSData *data((NSData *) ecid);
- size_t length([data length]);
- uint8_t bytes[length];
- [data getBytes:bytes];
- char string[length * 2 + 1];
- for (size_t i(0); i != length; ++i)
- sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
- ChipID_ = [NSString stringWithUTF8String:string];
- CFRelease(ecid);
- }
-
- IOObjectRelease(service);
- }
- }
+ SerialNumber_ = CYIOGetValue("IOService:/", @"IOPlatformSerialNumber");
+ ChipID_ = CYHex(CYIOGetValue("IODeviceTree:/chosen", @"unique-chip-id"), true, true);
UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];