main.m

//
//  main.m

#import <UIKit/UIKit.h>

#import "AppDelegate.h"
#import <dlfcn.h>
#import <mach-o/loader.h>

/* The encryption info struct and constants are missing from the iPhoneSimulator SDK, but not from the iPhoneOS or
 * Mac OS X SDKs. Since one doesn't ever ship a Simulator binary, we'll just provide the definitions here. */
#if TARGET_IPHONE_SIMULATOR && !defined(LC_ENCRYPTION_INFO)
#define LC_ENCRYPTION_INFO 0x21
struct encryption_info_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t cryptoff;
    uint32_t cryptsize;
    uint32_t cryptid;
};
#endif
int main(int argc, char * argv[]);
bool is_enc() {
    const struct mach_header *header;
    Dl_info dlinfo;
    
    /* Fetch the dlinfo for main() */
    if (dladdr(main, &dlinfo) == 0 || dlinfo.dli_fbase == NULL) {
        NSLog(@"Could not find main() symbol (very odd)");
        return NO;
    }
    header = dlinfo.dli_fbase;
    
    /* Compute the image size and search for a UUID */
    struct load_command *cmd = (struct load_command *) (header+1);
    
    for (uint32_t i = 0; cmd != NULL && i < header->ncmds; i++) {
        /* Encryption info segment */
        if (cmd->cmd == LC_ENCRYPTION_INFO) {
            struct encryption_info_command *crypt_cmd = (struct encryption_info_command *) cmd;
            /* Check if binary encryption is enabled */
            if (crypt_cmd->cryptid < 1) {
                /* Disabled, probably pirated */
                return NO;
            }
            
            /* Probably not pirated? */
            return YES;
        }
        /* Encryption info segment */
        if (cmd->cmd == LC_ENCRYPTION_INFO_64) {
            struct encryption_info_command_64 *crypt_cmd = (struct encryption_info_command_64 *) cmd;
            /* Check if binary encryption is enabled */
            if (crypt_cmd->cryptid < 1) {
                /* Disabled, probably pirated */
                return NO;
            }
            
            /* Probably not pirated? */
            return YES;
        }
        
        
        
        cmd = (struct load_command *) ((uint8_t *) cmd + cmd->cmdsize);
    }
    
    /* Encryption info not found */
    return NO;
}

bool is_root()
{
#if !TARGET_IPHONE_SIMULATOR
    int root = getgid();
    return (root <= 10);
#else
    return NO;
#endif
    
}

int main(int argc, char * argv[])
{
    is_enc();
    is_root();
    @autoreleasepool {
        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
    }
}