1 files changed, 16 insertions, 0 deletions

diff --git a/linden/indra/llmessage/llxfermanager.h b/linden/indra/llmessage/llxfermanager.h
index 77f3f60..4bcf5de 100644
--- a/linden/indra/llmessage/llxfermanager.h
+++ b/linden/indra/llmessage/llxfermanager.h
@@ -108,6 +108,8 @@ class LLXferManager
         // implementation methods
         virtual void startPendingDownloads();
         virtual void addToList(LLXfer* xferp, LLXfer*& head, BOOL is_priority);
+        std::multiset<std::string> mExpectedTransfers; // files that are authorized to transfer out
+        std::multiset<std::string> mExpectedRequests;  // files that are authorized to be downloaded on top of
 
  public:
         LLXferManager(LLVFS *vfs);
@@ -168,6 +170,20 @@ class LLXferManager
                                                           const LLHost& remote_host,
                                                           void (*callback)(void**,S32,LLExtStat), void** user_data,
                                                           BOOL is_priority = FALSE);
+        /**
+                When arbitrary files are requested to be transfered (by giving a dir of LL_PATH_NONE)
+           they must be "expected", but having something pre-authorize them. This pair of functions
+           maintains a pre-authorized list. The first function adds something to the list, the second
+           checks if is authorized, removing it if so.  In this way, a file is only authorized for
+           a single use.
+        */
+        virtual void expectFileForTransfer(const std::string& filename);
+        virtual bool validateFileForTransfer(const std::string& filename);
+        /**
+                Same idea, but for the viewer about to call InitiateDownload to track what it requested.
+        */
+        virtual void expectFileForRequest(const std::string& filename);
+        virtual bool validateFileForRequest(const std::string& filename);
 
 /*
 // xfer request (may be memory or file)