Lists connected devices

AltServer/ALTDeviceManager.mm

@@ -0,0 +1,96 @@
+//
+//  ALTDeviceManager.m
+//  AltServer
+//
+//  Created by Riley Testut on 5/24/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+#import "ALTDeviceManager.h"
+
+#include <libimobiledevice/libimobiledevice.h>
+#include <libimobiledevice/lockdown.h>
+
+@implementation ALTDeviceManager
+
++ (ALTDeviceManager *)sharedManager
+{
+    static ALTDeviceManager *_manager = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _manager = [[self alloc] init];
+    });
+    
+    return _manager;
+}
+
+#pragma mark - Getters -
+
+- (NSArray<ALTDevice *> *)connectedDevices
+{
+    int count = 0;
+    char **udids = NULL;
+    
+    if (idevice_get_device_list(&udids, &count) < 0)
+    {
+        fprintf(stderr, "ERROR: Unable to retrieve device list!\n");
+        return @[];
+    }
+    
+    NSMutableArray *connectedDevices = [NSMutableArray array];
+    
+    for (int i = 0; i < count; i++)
+    {
+        char *udid = udids[i];
+        
+        idevice_t device = NULL;
+        idevice_new(&device, udid);
+        
+        if (!device)
+        {
+            fprintf(stderr, "ERROR: No device with UDID %s attached.\n", udid);
+            continue;
+        }
+        
+        lockdownd_client_t client = NULL;
+        if (lockdownd_client_new(device, &client, "altserver") != LOCKDOWN_E_SUCCESS)
+        {
+            fprintf(stderr, "ERROR: Connecting to device failed!\n");
+            
+            idevice_free(device);
+            
+            continue;
+        }
+        
+        char *device_name = NULL;
+        if (lockdownd_get_device_name(client, &device_name) != LOCKDOWN_E_SUCCESS || device_name == NULL)
+        {
+            fprintf(stderr, "ERROR: Could not get device name!\n");
+            
+            lockdownd_client_free(client);
+            idevice_free(device);
+            
+            continue;
+        }
+        
+        lockdownd_client_free(client);
+        idevice_free(device);
+        
+        NSString *name = [NSString stringWithCString:device_name encoding:NSUTF8StringEncoding];
+        NSString *identifier = [NSString stringWithCString:udid encoding:NSUTF8StringEncoding];
+        
+        ALTDevice *altDevice = [[ALTDevice alloc] initWithName:name identifier:identifier];
+        [connectedDevices addObject:altDevice];
+        
+        if (device_name != NULL)
+        {
+            free(device_name);
+        }
+    }
+    
+    idevice_device_list_free(udids);
+    
+    return connectedDevices;
+}
+
+@end