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[NTOS:LPC] Add a number of DPRINTs on failure

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This commit is contained in:
Timo Kreuzer 2018-02-11 21:52:18 +01:00
parent 3493992e7a
commit 431643b9b3
1 changed files with 13 additions and 0 deletions
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13
ntoskrnl/lpc/connect.c
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@ -253,6 +253,8 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
/* This has to be a connection port */
if ((Port->Flags & LPCP_PORT_TYPE_MASK) != LPCP_CONNECTION_PORT)
{
DPRINT1("Port '%wZ' is not a connection port (Flags: 0x%lx)\n", PortName, Port->Flags);
/* It isn't, so fail */
ObDereferenceObject(Port);
@ -280,6 +282,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!RtlEqualSid(CapturedServerSid, TokenUserInfo->User.Sid))
{
/* Fail */
DPRINT1("Port '%wZ': server SID mismatch\n", PortName);
Status = STATUS_SERVER_SID_MISMATCH;
}
@ -290,6 +293,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
else
{
/* Invalid SID */
DPRINT1("Port '%wZ': server SID mismatch\n", PortName);
Status = STATUS_SERVER_SID_MISMATCH;
}
@ -319,6 +323,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!NT_SUCCESS(Status))
{
/* Failed, dereference the server port and return */
DPRINT1("Failed to create Port object: 0x%lx\n", Status);
ObDereferenceObject(Port);
return Status;
}
@ -351,6 +356,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!NT_SUCCESS(Status))
{
/* Security failed, dereference and return */
DPRINT1("SeCreateClientSecurity failed: 0x%lx\n", Status);
ObDereferenceObject(ClientPort);
return Status;
}
@ -361,6 +367,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!NT_SUCCESS(Status))
{
/* Failed */
DPRINT1("LpcpInitializePortQueue failed: 0x%lx\n", Status);
ObDereferenceObject(ClientPort);
return Status;
}
@ -379,6 +386,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!NT_SUCCESS(Status))
{
/* Fail */
DPRINT1("Failed to reference port section handle: 0x%lx\n", Status);
ObDereferenceObject(ClientPort);
return Status;
}
@ -405,6 +413,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!NT_SUCCESS(Status))
{
/* Fail */
DPRINT1("Failed to map port section: 0x%lx\n", Status);
ObDereferenceObject(SectionToMap);
ObDereferenceObject(ClientPort);
return Status;
@ -435,6 +444,7 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
if (!Message)
{
/* Fail if we couldn't allocate a message */
DPRINT1("LpcpAllocateFromPortZone failed\n");
if (SectionToMap) ObDereferenceObject(SectionToMap);
ObDereferenceObject(ClientPort);
return STATUS_NO_MEMORY;
@ -486,6 +496,9 @@ NtSecureConnectPort(OUT PHANDLE PortHandle,
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
DPRINT1("Exception 0x%lx when copying connection info to user mode\n",
_SEH2_GetExceptionCode());
/* Cleanup and return the exception code */
/* Free the message we have */