iOS越狱系统使用root权限运行命令

//命令原型：sh -c "echo 密码 | su -c 'ls --help' "
//转载请注明：http://www.cnblogs.com/bandy/p/7069503.html
NSTask *task = [NSTask new];
[task setLaunchPath:@"/bin/sh"];
[task setArguments:[NSArray arrayWithObjects:@"-c", @"/bin/echo alpine | /bin/su -c '/bin/ls --help' ", nil]];
NSPipe *pipe = [NSPipe pipe];
[task setStandardOutput:pipe];
[task launch];
NSData *data = [[pipe fileHandleForReading] readDataToEndOfFile];
[task waitUntilExit];
NSString * string;
string = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];//root
NSLog(@"Result: %@", string);
//转载请注明：http://www.cnblogs.com/bandy/p/7069503.html