修改iPhone QQ手機型別為iPhone6 Plus

z小志發表於2018-01-23
原文網址 : https://juejin.im/post/5a31ebdbf265da432f312273
iPhone型別

######程式碼如下：

#include "substrate.h"
int (*orig_sysctlbyname)(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen);
int my_sysctlbyname(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen){
   
    if (strcmp(name, "hw.machine") == 0) {
      
        int ret = orig_sysctlbyname(name, oldp, oldlenp, newp, newlen);
        
        if (oldp != NULL) {
            
            NSLog(@"+++\n+++\n+++\n+++\n+++:before %s +++\n+++\n+++\n++++",(char*)oldp);
            
            const char *mechine1 = "iPhone7,1";
            
            strncpy((char*)oldp, mechine1, strlen(mechine1));
        
            NSLog(@"+++\n+++\n+++\n+++\n+++:after  %s +++\n+++\n+++\n++++",(char*)oldp);
          }
        
        return ret;        
        
    }else{
        return orig_sysctlbyname(name, oldp, oldlenp, newp, newlen);
    }   
}
%ctor {
   
    MSHookFunction((void *)MSFindSymbol(NULL,"_sysctlbyname"), (void *)my_sysctlbyname, (void **)&orig_sysctlbyname);
}
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