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https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-10 09:40:53 +01:00
Correct some mistakes with kernel/kext patcher
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parent
d7d3c960a9
commit
ccfbc5b558
@ -831,8 +831,8 @@ CopyKernelAndKextPatches (IN OUT KERNEL_AND_KEXT_PATCHES *Dst,
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Dst->KernelPatches[Dst->NrKernels].StartPattern = NULL;
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Dst->KernelPatches[Dst->NrKernels].StartMask = NULL;
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}
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Dst->KernelPatches[Dst->NrKernels].StartPatternLen = Src->KernelPatches[Dst->NrKernels].StartPatternLen;
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Dst->KernelPatches[Dst->NrKernels].SearchLen = Src->KernelPatches[Dst->NrKernels].SearchLen;
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Dst->KernelPatches[Dst->NrKernels].StartPatternLen = Src->KernelPatches[i].StartPatternLen;
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Dst->KernelPatches[Dst->NrKernels].SearchLen = Src->KernelPatches[i].SearchLen;
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if (Src->KernelPatches[i].ProcedureName != NULL) {
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INTN len = strlen(Src->KernelPatches[i].ProcedureName);
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Dst->KernelPatches[Dst->NrKernels].ProcedureName = (__typeof__(Dst->KernelPatches[Dst->NrKernels].ProcedureName))AllocateCopyPool(len, Src->KernelPatches[i].ProcedureName);
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@ -1883,6 +1883,10 @@ BOOLEAN
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LOADER_ENTRY::KernelUserPatch(IN UINT8 *UKernelData)
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{
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INTN Num, i = 0, y = 0;
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// if we modify directly KernelAndKextPatches->KernelPatches[i].SearchLen, it will wrong for next driver
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UINTN SearchLen = KernelAndKextPatches->KernelPatches[i].SearchLen;
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// old confuse
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// We are using KernelAndKextPatches as set by Custom Entries.
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// while config patches go to gSettings.KernelAndKextPatches
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@ -1899,14 +1903,14 @@ LOADER_ENTRY::KernelUserPatch(IN UINT8 *UKernelData)
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UINTN procLen = 0;
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UINTN procAddr = searchProc(UKernelData, KernelAndKextPatches->KernelPatches[i].ProcedureName, &procLen);
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DBG_RT("procedure %s found at 0x%llx\n", KernelAndKextPatches->KernelPatches[i].ProcedureName, procAddr);
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if (KernelAndKextPatches->KernelPatches[i].SearchLen == 0) {
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KernelAndKextPatches->KernelPatches[i].SearchLen = KERNEL_MAX_SIZE;
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if (SearchLen == 0) {
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SearchLen = KERNEL_MAX_SIZE;
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if (procLen > KERNEL_MAX_SIZE) {
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procLen = KERNEL_MAX_SIZE - procAddr;
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once = true;
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}
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} else {
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procLen = KernelAndKextPatches->KernelPatches[i].SearchLen;
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procLen = SearchLen;
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}
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UINT8 * curs = &UKernelData[procAddr];
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UINTN j = 0;
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@ -1930,8 +1934,8 @@ LOADER_ENTRY::KernelUserPatch(IN UINT8 *UKernelData)
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if (Num) {
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y++;
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curs += KernelAndKextPatches->KernelPatches[i].SearchLen - 1;
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j += KernelAndKextPatches->KernelPatches[i].SearchLen - 1;
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curs += SearchLen - 1;
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j += SearchLen - 1;
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}
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DBG_RT( "==> %s : %lld replaces done\n", Num ? "Success" : "Error", Num);
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if (once ||
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@ -1954,8 +1958,12 @@ BOOLEAN
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LOADER_ENTRY::BooterPatch(IN UINT8 *BooterData, IN UINT64 BooterSize)
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{
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INTN Num, i = 0, y = 0;
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if (!KernelAndKextPatches->BootPatches[i].SearchLen) {
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KernelAndKextPatches->BootPatches[i].SearchLen = BooterSize;
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// if we modify directly KernelAndKextPatches-BootPatches[i].SearchLen, it will wrong for next driver
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UINTN SearchLen = KernelAndKextPatches->KernelPatches[i].SearchLen;
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if (!SearchLen) {
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SearchLen = BooterSize;
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}
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for (; i < KernelAndKextPatches->NrBoots; ++i) {
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DBG_RT( "Patch[%lld]: %s\n", i, KernelAndKextPatches->BootPatches[i].Label);
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@ -1975,7 +1983,7 @@ LOADER_ENTRY::BooterPatch(IN UINT8 *BooterData, IN UINT64 BooterSize)
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DBG_RT( " StartPattern found\n");
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Num = SearchAndReplaceMask(BooterData,
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KernelAndKextPatches->BootPatches[i].SearchLen,
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SearchLen,
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(const UINT8*)KernelAndKextPatches->BootPatches[i].Data,
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(const UINT8*)KernelAndKextPatches->BootPatches[i].MaskFind,
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KernelAndKextPatches->BootPatches[i].DataLen,
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@ -1985,8 +1993,8 @@ LOADER_ENTRY::BooterPatch(IN UINT8 *BooterData, IN UINT64 BooterSize)
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);
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if (Num) {
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y++;
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curs += KernelAndKextPatches->KernelPatches[i].SearchLen - 1;
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j += KernelAndKextPatches->KernelPatches[i].SearchLen - 1;
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curs += SearchLen - 1;
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j += SearchLen - 1;
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}
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DBG_RT( "==> %s : %lld replaces done\n", Num ? "Success" : "Error", Num);
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@ -999,6 +999,9 @@ VOID LOADER_ENTRY::AnyKextPatch(UINT8 *Driver, UINT32 DriverSize, CHAR8 *InfoPli
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{
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UINTN Num = 0;
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INTN Ind;
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// if we modify value directly at KernelAndKextPatches->KextPatches[N].SearchLen, it will be wrong for next driver
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UINTN SearchLen = KernelAndKextPatches->KextPatches[N].SearchLen;
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DBG_RT("\nAnyKextPatch %d: driverAddr = %s, driverSize = %x\nAnyKext = %s\n",
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N, Driver, DriverSize, KernelAndKextPatches->KextPatches[N].Label);
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@ -1008,9 +1011,9 @@ VOID LOADER_ENTRY::AnyKextPatch(UINT8 *Driver, UINT32 DriverSize, CHAR8 *InfoPli
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return;
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}
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if (!KernelAndKextPatches->KextPatches[N].SearchLen ||
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(KernelAndKextPatches->KextPatches[N].SearchLen > DriverSize)) {
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KernelAndKextPatches->KextPatches[N].SearchLen = DriverSize;
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if (!SearchLen ||
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(SearchLen > DriverSize)) {
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SearchLen = DriverSize;
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}
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if (KernelAndKextPatches->KPDebug) {
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@ -1026,14 +1029,14 @@ VOID LOADER_ENTRY::AnyKextPatch(UINT8 *Driver, UINT32 DriverSize, CHAR8 *InfoPli
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UINTN procLen = 0;
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UINTN procAddr = searchProc(Driver, KernelAndKextPatches->KextPatches[N].ProcedureName, &procLen);
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if (KernelAndKextPatches->KextPatches[N].SearchLen == 0) {
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KernelAndKextPatches->KextPatches[N].SearchLen = DriverSize;
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if (SearchLen == 0) {
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SearchLen = DriverSize;
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if (procLen > DriverSize) {
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procLen = DriverSize - procAddr;
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once = true;
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}
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} else {
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procLen = KernelAndKextPatches->KextPatches[N].SearchLen;
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procLen = SearchLen;
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}
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const UINT8 * curs = &Driver[procAddr];
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UINTN j = 0;
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@ -1055,8 +1058,8 @@ VOID LOADER_ENTRY::AnyKextPatch(UINT8 *Driver, UINT32 DriverSize, CHAR8 *InfoPli
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(const UINT8*)KernelAndKextPatches->KextPatches[N].MaskReplace,
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-1);
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if (Num) {
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curs += KernelAndKextPatches->KextPatches[N].SearchLen - 1;
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j += KernelAndKextPatches->KextPatches[N].SearchLen - 1;
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curs += SearchLen - 1;
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j += SearchLen - 1;
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}
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}
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if (once ||
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