VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2019-09-23 16:33:04 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2019-09-23 18:01:32 (GMT)
commit4566f95fd9f70530866457beb545a794cc80e1d0 (patch)
tree9ded8c8613ea1c9c7db3b981ab0b3c8c7e4aa439
parent5135d1a3579104b4c69994135c424c5a524c11f9 (diff)
downloadVeraCrypt-DCS-4566f95fd9f70530866457beb545a794cc80e1d0.zip
VeraCrypt-DCS-4566f95fd9f70530866457beb545a794cc80e1d0.tar.gz
make the rescue disk boot machine directly from disk if "VeraCrypt" folder is missing. This make it easy to create a bootable disk for VeraCrypt from the rescue disk by just removing or renaming its "VeraCrypt" folder.VeraCrypt_1.24
-rw-r--r--DcsRe/DcsRe.c93
-rw-r--r--Include/Library/CommonLib.h6
-rw-r--r--Library/CommonLib/EfiFile.c16
3 files changed, 74 insertions, 41 deletions
diff --git a/DcsRe/DcsRe.c b/DcsRe/DcsRe.c
index d2b43dd..84f1fee 100644
--- a/DcsRe/DcsRe.c
+++ b/DcsRe/DcsRe.c
@@ -349,56 +349,67 @@ DcsReMain(
ERR_PRINT(L"InitFS %r\n", res);
return res;
}
+
+ if (!EFI_ERROR(DirectoryExists(NULL, L"EFI\\VeraCrypt")))
+ {
+ item = DcsMenuAppend(NULL, L"Decrypt OS", 'd', ActionDecryptOS, NULL);
+ gMenu = item;
+ item = DcsMenuAppend(item, L"Restore VeraCrypt loader to boot menu", 'm', ActionRestoreDcsBootMenu, NULL);
+ item = DcsMenuAppend(item, L"Remove VeraCrypt loader from boot menu", 'z' , ActionRemoveDcsBootMenu, NULL);
- item = DcsMenuAppend(NULL, L"Decrypt OS", 'd', ActionDecryptOS, NULL);
- gMenu = item;
- item = DcsMenuAppend(item, L"Restore VeraCrypt loader to boot menu", 'm', ActionRestoreDcsBootMenu, NULL);
- item = DcsMenuAppend(item, L"Remove VeraCrypt loader from boot menu", 'z' , ActionRemoveDcsBootMenu, NULL);
-
- if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\DcsProp"))) {
- item = DcsMenuAppend(item, L"Restore VeraCrypt loader configuration to system disk", 'c', ActionRestoreDcsProp, NULL);
- }
+ if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\DcsProp"))) {
+ item = DcsMenuAppend(item, L"Restore VeraCrypt loader configuration to system disk", 'c', ActionRestoreDcsProp, NULL);
+ }
- if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\svh_bak"))) {
- item = DcsMenuAppend(item, L"Restore OS header keys", 'k', ActionRestoreHeader, NULL);
- }
+ if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\svh_bak"))) {
+ item = DcsMenuAppend(item, L"Restore OS header keys", 'k', ActionRestoreHeader, NULL);
+ }
- if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\DcsBoot.efi"))) {
- item = DcsMenuAppend(item, L"Restore VeraCrypt loader binaries to system disk", 'r', ActionRestoreDcsLoader, NULL);
- item = DcsMenuAppend(item, L"Boot VeraCrypt loader from rescue disk", 'v', ActionDcsBoot, NULL);
- }
-
- item = DcsMenuAppend(item, L"Boot Original Windows Loader", 'o', ActionWindowsBoot, NULL);
+ if (!EFI_ERROR(FileExist(NULL, L"EFI\\VeraCrypt\\DcsBoot.efi"))) {
+ item = DcsMenuAppend(item, L"Restore VeraCrypt loader binaries to system disk", 'r', ActionRestoreDcsLoader, NULL);
+ item = DcsMenuAppend(item, L"Boot VeraCrypt loader from rescue disk", 'v', ActionDcsBoot, NULL);
+ }
+
+ item = DcsMenuAppend(item, L"Boot Original Windows Loader", 'o', ActionWindowsBoot, NULL);
- if (!EFI_ERROR(FileExist(NULL, L"EFI\\Boot\\WinPE_boot" ARCHdotEFI))) {
- item = DcsMenuAppend(item, L"Boot Windows PE from rescue disk", 'w', ActionBootWinPE, NULL);
- }
+ if (!EFI_ERROR(FileExist(NULL, L"EFI\\Boot\\WinPE_boot" ARCHdotEFI))) {
+ item = DcsMenuAppend(item, L"Boot Windows PE from rescue disk", 'w', ActionBootWinPE, NULL);
+ }
- if (!EFI_ERROR(FileExist(NULL, L"EFI\\Shell\\Shell.efi"))) {
- item = DcsMenuAppend(item, L"Boot Shell.efi from rescue disk", 's', ActionShell, NULL);
- }
+ if (!EFI_ERROR(FileExist(NULL, L"EFI\\Shell\\Shell.efi"))) {
+ item = DcsMenuAppend(item, L"Boot Shell.efi from rescue disk", 's', ActionShell, NULL);
+ }
- item = DcsMenuAppend(item, L"Help", 'h', ActionHelp, NULL);
- item = DcsMenuAppend(item, L"Exit", 'e', ActionExit, NULL);
- OUT_PRINT(L"%V%a rescue disk %a%N\n", TC_APP_NAME, VERSION_STRING);
- gBS->SetWatchdogTimer(0, 0, 0, NULL);
- do {
- DcsMenuPrint(gMenu);
- item = NULL;
- key.UnicodeChar = 0;
- while (item == NULL) {
- item = gMenu;
- key = GetKey();
- while (item != NULL) {
- if (item->Select == key.UnicodeChar) break;
- item = item->Next;
+ item = DcsMenuAppend(item, L"Help", 'h', ActionHelp, NULL);
+ item = DcsMenuAppend(item, L"Exit", 'e', ActionExit, NULL);
+ OUT_PRINT(L"%V%a rescue disk %a%N\n", TC_APP_NAME, VERSION_STRING);
+ gBS->SetWatchdogTimer(0, 0, 0, NULL);
+ do {
+ DcsMenuPrint(gMenu);
+ item = NULL;
+ key.UnicodeChar = 0;
+ while (item == NULL) {
+ item = gMenu;
+ key = GetKey();
+ while (item != NULL) {
+ if (item->Select == key.UnicodeChar) break;
+ item = item->Next;
+ }
}
- }
- OUT_PRINT(L"%c\n",key.UnicodeChar);
- res = item->Action(item->Context);
+ OUT_PRINT(L"%c\n",key.UnicodeChar);
+ res = item->Action(item->Context);
+ if (EFI_ERROR(res)) {
+ ERR_PRINT(L"%r\n", res);
+ }
+ } while (gContiniue);
+ }
+ else
+ {
+ /* No VeraCrypt folder. Boot directly from the hard drive */
+ res = ActionDcsBoot (NULL);
if (EFI_ERROR(res)) {
ERR_PRINT(L"%r\n", res);
}
- } while (gContiniue);
+ }
return EFI_INVALID_PARAMETER;
}
diff --git a/Include/Library/CommonLib.h b/Include/Library/CommonLib.h
index 4d207ca..0bfb631 100644
--- a/Include/Library/CommonLib.h
+++ b/Include/Library/CommonLib.h
@@ -663,6 +663,12 @@ DirectoryCreate(
IN EFI_FILE* root,
IN CHAR16* name
);
+
+EFI_STATUS
+DirectoryExists(
+ IN EFI_FILE* root,
+ IN CHAR16* name
+ );
EFI_STATUS
FileOpenRoot(
diff --git a/Library/CommonLib/EfiFile.c b/Library/CommonLib/EfiFile.c
index 8a9d6d7..4ea164e 100644
--- a/Library/CommonLib/EfiFile.c
+++ b/Library/CommonLib/EfiFile.c
@@ -58,6 +58,22 @@ DirectoryCreate(
}
EFI_STATUS
+DirectoryExists(
+ IN EFI_FILE* root,
+ IN CHAR16* name
+ )
+{
+ EFI_FILE* file;
+ EFI_STATUS res;
+ if (!name) { return EFI_INVALID_PARAMETER; }
+
+ res = FileOpen(root, name, &file, EFI_FILE_MODE_READ, EFI_FILE_DIRECTORY);
+ if (EFI_ERROR(res)) return res;
+ FileClose(file);
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
FileOpenRoot(
IN EFI_HANDLE rootHandle,
OUT EFI_FILE** rootFile)