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Some kext refactoring

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This commit is contained in:
TuxSH 2017-07-16 18:58:20 +02:00
parent 46e9cb6b23
commit cfc6cf24bf
5 changed files with 31 additions and 38 deletions
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14
k11_extension/include/kernel.h
View File

@ -1178,6 +1178,20 @@ static inline KDebug *debugOfProcess(KProcess *process)
return KPROCESS_GET_RVALUE(process, debug);
}
static inline const char *classNameOfAutoObject(KAutoObject *object)
{
const char *name;
if(kernelVersion >= SYSTEM_VERSION(2, 46, 0))
{
KClassToken tok;
object->vtable->GetClassToken(&tok, object);
name = tok.name;
}
else
name = object->vtable->GetClassName(object);
return name;
}
extern Result (*KProcessHandleTable__CreateHandle)(KProcessHandleTable *this, Handle *out, KAutoObject *obj, u8 token);
static inline Result createHandleForProcess(Handle *out, KProcess *process, KAutoObject *obj)

16
k11_extension/source/svc/ControlService.c
View File

@ -42,20 +42,12 @@ Result ControlService(ServiceOp op, u32 varg1, u32 varg2)
KAutoObject *obj = KProcessHandleTable__ToKAutoObject(handleTable, (Handle)varg2);
if(obj == NULL)
return 0xD8E007F7; // invalid handle
else if(kernelVersion >= SYSTEM_VERSION(2, 46, 0))
{
KClassToken tok;
obj->vtable->GetClassToken(&tok, obj);
if(tok.flags == 0x95)
session = ((KServerSession *)obj)->parentSession;
else if(tok.flags == 0xA5)
session = ((KClientSession *)obj)->parentSession;
}
else
{ // not the exact same tests but it should work
if(strcmp(obj->vtable->GetClassName(obj), "KServerSession") == 0)
{
// not the exact same tests but it should work
if(strcmp(classNameOfAutoObject(obj), "KServerSession") == 0)
session = ((KServerSession *)obj)->parentSession;
else if(strcmp(obj->vtable->GetClassName(obj), "KClientSession") == 0)
else if(strcmp(classNameOfAutoObject(obj), "KClientSession") == 0)
session = ((KClientSession *)obj)->parentSession;
}

18
k11_extension/source/svc/SendSyncRequest.c
View File

@ -37,15 +37,8 @@ Result SendSyncRequestHook(Handle handle)
bool skip = false;
Result res = 0;
bool isValidClientSession = false;
if(clientSession != NULL && kernelVersion >= SYSTEM_VERSION(2, 46, 0))
{
KClassToken tok;
clientSession->syncObject.autoObject.vtable->GetClassToken(&tok, &clientSession->syncObject.autoObject);
isValidClientSession = tok.flags == 0xA5;
}
else if(clientSession != NULL) // not the exact same test but it should work
isValidClientSession = strcmp(clientSession->syncObject.autoObject.vtable->GetClassName(&clientSession->syncObject.autoObject), "KClientSession") == 0;
// not the exact same test but it should work
bool isValidClientSession = clientSession != NULL && strcmp(classNameOfAutoObject(&clientSession->syncObject.autoObject), "KClientSession") == 0;
if(isValidClientSession)
{
@ -54,7 +47,7 @@ Result SendSyncRequestHook(Handle handle)
case 0x10042:
{
SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
if(info != NULL && strcmp(info->name, "srv:pm") == 0)
if(info != NULL && kernelVersion >= SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)
{
res = doPublishToProcessHook(handle, cmdbuf);
skip = true;
@ -112,7 +105,7 @@ Result SendSyncRequestHook(Handle handle)
case 0x50100:
{
SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
if(info != NULL && strcmp(info->name, "srv:") == 0)
if(info != NULL && (strcmp(info->name, "srv:") == 0 || (kernelVersion < SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)))
{
char name[9] = { 0 };
memcpy(name, cmdbuf + 1, 8);
@ -126,6 +119,7 @@ Result SendSyncRequestHook(Handle handle)
outClientSession = (KClientSession *)KProcessHandleTable__ToKAutoObject(handleTable, (Handle)cmdbuf[3]);
if(outClientSession != NULL)
{
if(strcmp(classNameOfAutoObject(&outClientSession->syncObject.autoObject), "KClientSession") == 0)
SessionInfo_Add(outClientSession->parentSession, name);
outClientSession->syncObject.autoObject.vtable->DecrementReferenceCount(&outClientSession->syncObject.autoObject);
}
@ -163,7 +157,7 @@ Result SendSyncRequestHook(Handle handle)
case 0x4010042:
{
SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
if(info != NULL && strcmp(info->name, "srv:pm") == 0)
if(info != NULL && kernelVersion < SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)
{
res = doPublishToProcessHook(handle, cmdbuf);
skip = true;

9
k11_extension/source/svc/TranslateHandle.c
View File

@ -50,14 +50,7 @@ Result TranslateHandle(u32 *outKAddr, char *outClassName, Handle handle)
if(obj == NULL)
return 0xD8E007F7; // invalid handle
if(kernelVersion >= SYSTEM_VERSION(2, 46, 0))
{
KClassToken tok;
obj->vtable->GetClassToken(&tok, obj);
name = tok.name;
}
else
name = obj->vtable->GetClassName(obj);
name = classNameOfAutoObject(obj);
if(name == NULL) // shouldn't happen
name = "KAutoObject";

10
sysmodules/rosalina/rosalina.rsf
View File

@ -1,7 +1,7 @@
BasicInfo:
Title : rosalina
CompanyCode : "00"
ProductCode : 0828builder
ProductCode : lennybuilder
ContentType : Application
Logo : None
@ -47,13 +47,13 @@ AccessControlInfo:
# We're using the global custom bit31 mapping
SystemCallAccess:
# The kernel extension removes svc perms checks, so...
SendSyncRequest2: 47 # CustomBackdoor
UnmapProcessMemory: 114
# The kernel extension removes svc perms checks, so below is just to avoid a makerom error
Backdoor: 123
KernelSetState: 124
InterruptNumbers:
ServiceAccessControl:
- srv:pm
- fs:USER # Not strictly needed as rosalina has access to everything, it's rather to avoid a makerom warning
FileSystemAccess:
- DirectSdmc
- CtrNandRw