1 files changed, 109 insertions, 0 deletions
diff --git a/rhtvision/compat/unc_nt.c b/rhtvision/compat/unc_nt.c
new file mode 100644
index 0000000..c3842af
--- /dev/null
+++ b/rhtvision/compat/unc_nt.c
@@ -0,0 +1,109 @@
+/*
+  Copyright (c) 2000 by Anatoli Soltan.
+  Covered by the GPL license.
+*/
+#include <cl/needs.h>
+
+#ifdef NEEDS_UNC
+#define WIN32_LEAN_AND_MEAN
+/* UNICODE must be defined because all Net APIs on WinNT are UNICODE */
+#define UNICODE
+#include <windows.h>
+#include <lmcons.h>
+#include <lmshare.h>
+#include <lmapibuf.h>
+#include <malloc.h>
+
+#if (__MINGW32_MAJOR_VERSION>=2) && !defined(alloca)
+ #define alloca __builtin_alloca
+#endif
+
+static HMODULE hLib;
+static NET_API_STATUS
+(NET_API_FUNCTION *pNetShareGetInfo) (
+    IN  LPTSTR  servername,
+    IN  LPTSTR  netname,
+    IN  DWORD   level,
+    OUT LPBYTE  *bufptr
+    );
+static NET_API_STATUS
+(NET_API_FUNCTION *pNetApiBufferFree) (
+    IN LPVOID Buffer
+    );
+
+/**[txh]********************************************************************
+
+  Description:
+  Internal helper to validate an UNC for Win NT (2k, XP, etc.).
+  
+  Return: 1 if that's an existing share.
+  
+***************************************************************************/
+
+int CLY_isUNC_helper_NT(const char* server, const char* share)
+{
+    SHARE_INFO_1* pshi;
+    NET_API_STATUS status;
+    int serverlen, sharelen;
+    WCHAR *wserver, *wshare;
+    int ret;
+    
+    if (!hLib)
+    {
+        hLib = LoadLibraryA("NETAPI32.DLL");
+        if (!hLib)
+        {
+            ret = -1;
+            goto clean;
+        }
+    }
+    if (!pNetShareGetInfo)
+    {
+        pNetShareGetInfo = (void*)GetProcAddress(hLib, "NetShareGetInfo");
+        if (!pNetShareGetInfo)
+        {
+            ret = -1;
+            goto clean;
+        }
+    }
+    if (!pNetApiBufferFree)
+    {
+        pNetApiBufferFree = (void*)GetProcAddress(hLib, "NetApiBufferFree");
+        if (!pNetApiBufferFree)
+        {
+            ret = -1;
+            goto clean;
+        }
+    }
+
+    serverlen = strlen(server);
+    sharelen = strlen(share);
+    wserver = (WCHAR*)alloca((serverlen + 1) * sizeof(WCHAR));
+    wshare = (WCHAR*)alloca((sharelen + 1) * sizeof(WCHAR));
+
+    MultiByteToWideChar(CP_ACP, 0, server, serverlen, wserver, serverlen);
+    MultiByteToWideChar(CP_ACP, 0, share, sharelen, wshare, sharelen);
+    wserver[serverlen] = 0;
+    wshare[sharelen] = 0;
+
+    status = (*pNetShareGetInfo)(wserver, wshare, 1, (LPBYTE*)&pshi);
+    if (status == ERROR_CALL_NOT_IMPLEMENTED)
+    {
+        ret = -1;
+        goto clean;
+    }
+    ret = (status == 0) && (pshi->shi1_type == STYPE_DISKTREE);
+    (*pNetApiBufferFree)(pshi);
+    return ret;
+    
+clean:
+    if (hLib)
+    {
+        FreeLibrary(hLib);
+        hLib = NULL;
+        pNetShareGetInfo  = NULL;
+        pNetApiBufferFree = NULL;
+    }
+    return ret;
+}
+#endif