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[idd] clipboard: route file dataset records

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This commit is contained in:
Geoffrey McRae
2026-08-14 13:42:25 +10:00
parent dbf52cb405
commit 88fd0da19e
4 changed files with 61 additions and 6 deletions
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45
idd/LGIdd/transport/CClipboardHub.cpp
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@@ -30,6 +30,29 @@ namespace
return kvmfrClipboardTransferFromHelper(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_DATA)
return kvmfrClipboardTransferFromClient(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRE ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_RELEASE ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_REQUEST)
return kvmfrClipboardTransferFromHelper(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRED ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_DATA)
return kvmfrClipboardTransferFromClient(record.transfer);
return true;
}
bool ValidClientDirection(const KVMFRClipboardMessage& record)
{
if (record.type == KVMFR_CLIPBOARD_MESSAGE_REQUEST)
return kvmfrClipboardTransferFromClient(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_DATA)
return kvmfrClipboardTransferFromHelper(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRE ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_RELEASE ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_REQUEST)
return kvmfrClipboardTransferFromClient(record.transfer);
if (record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRED ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_DATA)
return kvmfrClipboardTransferFromHelper(record.transfer);
return true;
}
}
@@ -87,6 +110,25 @@ ClipboardChannelResult CClipboardHub::HoldOrDiscard(
return result;
}
if (record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRE ||
record.type == KVMFR_CLIPBOARD_MESSAGE_FILE_REQUEST)
{
KVMFRClipboardMessage reject = {};
reject.version = KVMFR_CLIPBOARD_VERSION;
reject.type = record.type ==
KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRE ?
KVMFR_CLIPBOARD_MESSAGE_FILE_ACQUIRED :
KVMFR_CLIPBOARD_MESSAGE_FILE_CANCEL;
reject.generation = record.generation;
reject.clipboardGeneration = record.clipboardGeneration;
reject.transfer = record.transfer;
reject.format = KVMFR_CLIPBOARD_FORMAT_FILES;
reject.token = KVMFR_CLIPBOARD_FILE_ERROR_DISCONNECTED;
const ClipboardChannelResult result = m_channel.Send(reject);
if (result != ClipboardChannelResult::ACCEPTED)
return result;
}
return ClipboardChannelResult::ACCEPTED;
}
@@ -344,7 +386,8 @@ ClipboardChannelResult CClipboardHub::SendClipboard(
// Keep the shared lock through Send so Unbind cannot advance the binding
// generation after validation but before the record enters the channel.
CSRWSharedLock lock(m_lock);
if (m_stopped || !m_available || !m_active || !m_running || m_failed ||
if (!ValidClientDirection(record) ||
m_stopped || !m_available || !m_active || !m_running || m_failed ||
!m_source || record.generation != m_generation)
return ClipboardChannelResult::FAILED;
return m_channel.Send(record, data);