Changeset 11889 in vbox for trunk/src/VBox/VMM/PDMLdr.cpp

Timestamp:

Aug 31, 2008 6:08:32 PM (17 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

35741

Message:

VMM/SUP: Added SUPR3HardenedVerifyFile and use it to verify files we load.

File:

• trunk/src/VBox/VMM/PDMLdr.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/PDMLdr.cpp

@@ -271 +271 @@
      * Allocate the module list node and initialize it.
      */
-    PPDMMOD     pModule = (PPDMMOD)RTMemAllocZ(sizeof(*pModule) + cchFilename);
+    const char *pszSuff = RTLdrGetSuff();
+    size_t      cchSuff = strlen(pszSuff);
+    PPDMMOD     pModule = (PPDMMOD)RTMemAllocZ(sizeof(*pModule) + cchFilename + cchSuff);
     if (!pModule)
         return VERR_NO_MEMORY;
@@ -278 +280 @@
     memcpy(pModule->szName, pszName, cchName); /* memory is zero'ed, no need to copy terminator :-) */
     memcpy(pModule->szFilename, pszFilename, cchFilename);
+    memcpy(&pModule->szFilename[cchFilename], pszSuff, cchSuff);
 
     /*
      * Load the loader item.
      */
-    int rc = RTLdrLoad(pszFilename, &pModule->hLdrMod);
+    int rc = SUPR3HardenedVerifyFile(pModule->szFilename, "pdmR3LoadR3U", NULL);
+    if (RT_SUCCESS(rc))
+        rc = RTLdrLoad(pModule->szFilename, &pModule->hLdrMod);
     if (VBOX_SUCCESS(rc))
     {
@@ -448 +453 @@
      * Open the loader item.
      */
-    int rc = RTLdrOpen(pszFilename, &pModule->hLdrMod);
+    int rc = SUPR3HardenedVerifyFile(pszFilename, "PDMR3LoadGC", NULL);
+    if (RT_SUCCESS(rc))
+        rc = RTLdrOpen(pszFilename, &pModule->hLdrMod);
     if (VBOX_SUCCESS(rc))
     {