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[NTOS:KDBG] Add KdbpPrintUnicodeString

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Calling normal unicode functions is not allowed at IRQL > APC_LEVEL, so calling _vsnprintf with unicode parameters from KDBG is invalid.
This commit is contained in:
Timo Kreuzer 2022-07-17 19:17:18 +02:00
parent 253362509e
commit 31a5fa61bb
2 changed files with 34 additions and 4 deletions
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4
ntoskrnl/kdbg/kdb.h
View file

@ -107,6 +107,10 @@ KdbpPrint(
IN PCHAR Format,
IN ... OPTIONAL);
VOID
KdbpPrintUnicodeString(
_In_ PCUNICODE_STRING String);
BOOLEAN
NTAPI
KdbpGetHexNumber(

34
ntoskrnl/kdbg/kdb_cli.c
View file

@ -564,10 +564,14 @@ KdbpPrintStructInternal
KdbpPrint("%s%p+%x: %s", Indent, ((PCHAR)BaseAddress) + Member->BaseOffset, Member->Size, Member->Name ? Member->Name : "<anoymous>");
if (DoRead) {
if (!strcmp(Member->Type, "_UNICODE_STRING")) {
KdbpPrint("\"%wZ\"\n", ((PCHAR)BaseAddress) + Member->BaseOffset);
KdbpPrint("\"");
KdbpPrintUnicodeString(((PCHAR)BaseAddress) + Member->BaseOffset);
KdbpPrint("\"\n");
continue;
} else if (!strcmp(Member->Type, "PUNICODE_STRING")) {
KdbpPrint("\"%wZ\"\n", *(((PUNICODE_STRING*)((PCHAR)BaseAddress) + Member->BaseOffset)));
KdbpPrint("\"");
KdbpPrintUnicodeString(*(((PUNICODE_STRING*)((PCHAR)BaseAddress) + Member->BaseOffset)));
KdbpPrint("\"\n");
continue;
}
switch (Member->Size) {
@ -2109,7 +2113,9 @@ KdbpCmdMod(
KdbpPrint(" Base Size Name\n");
for (;;)
{
KdbpPrint(" %08x %08x %wZ\n", LdrEntry->DllBase, LdrEntry->SizeOfImage, &LdrEntry->BaseDllName);
KdbpPrint(" %p %08x ", LdrEntry->DllBase, LdrEntry->SizeOfImage);
KdbpPrintUnicodeString(&LdrEntry->BaseDllName);
KdbpPrint("\n");
if(DisplayOnlyOneModule || !KdbpSymFindModule(NULL, i++, &LdrEntry))
break;
@ -3035,6 +3041,24 @@ KdbpPrint(
}
}
VOID
KdbpPrintUnicodeString(
_In_ PCUNICODE_STRING String)
{
ULONG i;
if ((String == NULL) || (String->Buffer == NULL))
{
KdbpPrint("<NULL>");
return;
}
for (i = 0; i < String->Length / sizeof(WCHAR); i++)
{
KdbpPrint("%c", (CHAR)String->Buffer[i]);
}
}
/** memrchr(), explicitly defined, since was absent in MinGW of RosBE. */
/*
* Reverse memchr()
@ -3863,7 +3887,9 @@ KdbpCliModuleLoaded(
if (!KdbBreakOnModuleLoad)
return;
KdbpPrint("Module %wZ loaded.\n", Name);
KdbpPrint("Module ");
KdbpPrintUnicodeString(Name);
KdbpPrint(" loaded.\n");
DbgBreakPointWithStatus(DBG_STATUS_CONTROL_C);
}