From 0500a7d993c02220244832d25bf6f97ac6651251 Mon Sep 17 00:00:00 2001
From: Robert Shearman <rob@codeweavers.com>
Date: Sun, 21 Nov 2004 15:42:57 +0000
Subject: [PATCH] - Make InternetGetConnectedStateExA not crash, by making  
 InternetGetConnectedStateExW fill in the buffer correctly. - Remove the
 dumping of strings that will only contain garbage. - Document function.

---
 dlls/wininet/internet.c    | 27 ++++++++++++++++++++++++---
 dlls/wininet/resource.h    |  2 ++
 dlls/wininet/wininet_En.rc |  5 +++++
 3 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index abc3266c9a6..1a7120afc8e 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -52,6 +52,7 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winreg.h"
+#include "winuser.h"
 #include "wininet.h"
 #include "winnls.h"
 #include "wine/debug.h"
@@ -63,6 +64,7 @@
 #include "excpt.h"
 
 #include "internet.h"
+#include "resource.h"
 
 #include "wine/unicode.h"
 
@@ -98,6 +100,7 @@ HANDLE hEventArray[2];
 CRITICAL_SECTION csQueue;
 LPWORKREQUEST lpHeadWorkQueue;
 LPWORKREQUEST lpWorkQueueTail;
+HMODULE WININET_hModule;
 
 extern void URLCacheContainers_CreateDefaults();
 extern void URLCacheContainers_DeleteAll();
@@ -280,6 +283,8 @@ BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
             dwNumIdleThreads = 0;
 	    dwNumJobs = 0;
 
+            WININET_hModule = (HMODULE)hinstDLL;
+
         case DLL_THREAD_ATTACH:
 	    {
                 LPWITHREADERROR lpwite = HeapAlloc(GetProcessHeap(), 0, sizeof(WITHREADERROR));
@@ -650,16 +655,32 @@ BOOL WINAPI InternetGetConnectedState(LPDWORD lpdwStatus, DWORD dwReserved)
  *
  * Return connected state
  *
+ * PARAMS
+ *
+ * lpdwStatus         [O] Flags specifying the status of the internet connection.
+ * lpszConnectionName [O] Pointer to buffer to receive the friendly name of the internet connection.
+ * dwNameLen          [I] Size of the buffer, in characters.
+ * dwReserved         [I] Reserved. Must be set to 0.
+ *
  * RETURNS
  *    TRUE if connected
  *    if lpdwStatus is not null, return the status (off line,
  *    modem, lan...) in it.
  *    FALSE if not connected
+ *
+ * NOTES
+ *   If the system has no available network connections, an empty string is
+ *   stored in lpszConnectionName. If there is a LAN connection, a localized
+ *   "LAN Connection" string is stored. Presumably, if only a dial-up
+ *   connection is available then the name of the dial-up connection is
+ *   returned. Why any application, other than the "Internet Settings" CPL,
+ *   would want to use this function instead of the simpler InternetGetConnectedStateW
+ *   function is beyond me.
  */
 BOOL WINAPI InternetGetConnectedStateExW(LPDWORD lpdwStatus, LPWSTR lpszConnectionName,
                                          DWORD dwNameLen, DWORD dwReserved)
 {
-    TRACE("(%p, %s, %ld, 0x%08lx)\n", lpdwStatus, debugstr_w(lpszConnectionName), dwNameLen, dwReserved);
+    TRACE("(%p, %p, %ld, 0x%08lx)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
 
     /* Must be zero */
     if(dwReserved)
@@ -669,7 +690,7 @@ BOOL WINAPI InternetGetConnectedStateExW(LPDWORD lpdwStatus, LPWSTR lpszConnecti
         FIXME("always returning LAN connection.\n");
         *lpdwStatus = INTERNET_CONNECTION_LAN;
     }
-    return TRUE;
+    return LoadStringW(WININET_hModule, IDS_LANCONNECTION, lpszConnectionName, dwNameLen);
 }
 
 
@@ -682,7 +703,7 @@ BOOL WINAPI InternetGetConnectedStateExA(LPDWORD lpdwStatus, LPSTR lpszConnectio
     LPWSTR lpwszConnectionName = NULL;
     BOOL rc;
 
-    TRACE("(%p, %s, %ld, 0x%08lx)\n", lpdwStatus, debugstr_a(lpszConnectionName), dwNameLen, dwReserved);
+    TRACE("(%p, %p, %ld, 0x%08lx)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
 
     if (lpszConnectionName && dwNameLen > 0)
         lpwszConnectionName= HeapAlloc(GetProcessHeap(), 0, dwNameLen * sizeof(WCHAR));
diff --git a/dlls/wininet/resource.h b/dlls/wininet/resource.h
index 61793e55e54..66d7729fab0 100644
--- a/dlls/wininet/resource.h
+++ b/dlls/wininet/resource.h
@@ -25,3 +25,5 @@
 #define IDC_USERNAME     0x403
 #define IDC_PASSWORD     0x404
 #define IDC_SAVEPASSWORD 0x405
+
+#define IDS_LANCONNECTION 0x500
diff --git a/dlls/wininet/wininet_En.rc b/dlls/wininet/wininet_En.rc
index 98f0f4cc2d5..1499b28f54f 100644
--- a/dlls/wininet/wininet_En.rc
+++ b/dlls/wininet/wininet_En.rc
@@ -37,3 +37,8 @@ FONT 8, "MS Shell Dlg"
  PUSHBUTTON "OK", IDOK, 98, 126, 56, 14, WS_GROUP | WS_TABSTOP | BS_DEFPUSHBUTTON
  PUSHBUTTON "Cancel", IDCANCEL, 158, 126, 56, 14, WS_GROUP | WS_TABSTOP
 }
+
+STRINGTABLE DISCARDABLE
+{
+  IDS_LANCONNECTION "LAN Connection"
+}