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added special ioctl to make sure a custom device on open is actually iosuhax (note: old wupservers have to be updated with that ioctl)

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FIX94 2016-12-13 00:24:31 +01:00
parent 7d50622dfb
commit dfaaf8aeb1
1 changed files with 14 additions and 0 deletions
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14
source/iosuhax.c
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@ -26,6 +26,8 @@
#include "os_functions.h"
#include "iosuhax.h"
#define IOSUHAX_MAGIC_WORD 0x4E696365
#define IOCTL_MEM_WRITE 0x00
#define IOCTL_MEM_READ 0x01
#define IOCTL_SVC 0x02
@ -60,6 +62,7 @@
#define IOCTL_FSA_RAW_CLOSE 0x57
#define IOCTL_FSA_CHANGEMODE 0x58
#define IOCTL_FSA_FLUSHVOLUME 0x59
#define IOCTL_CHECK_IF_IOSUHAX 0x5B
static int iosuhaxHandle = -1;
@ -69,6 +72,17 @@ int IOSUHAX_Open(const char *dev)
return iosuhaxHandle;
iosuhaxHandle = IOS_Open((char*)(dev ? dev : "/dev/iosuhax"), 0);
if(iosuhaxHandle >= 0 && dev) //make sure device is actually iosuhax
{
unsigned int res = 0;
IOS_Ioctl(iosuhaxHandle, IOCTL_CHECK_IF_IOSUHAX, (void*)0, 0, &res, 4);
if(res != IOSUHAX_MAGIC_WORD)
{
IOS_Close(iosuhaxHandle);
iosuhaxHandle = -1;
}
}
return iosuhaxHandle;
}