From f0b709eef934a3e102e2fdf6ea64f0a4bf68302c Mon Sep 17 00:00:00 2001
From: vit9696 <vit9696@users.noreply.github.com>
Date: Thu, 6 Jun 2019 00:47:37 +0300
Subject: [PATCH] OcAppleDiskImageLib: Add more verbose logging

---
 .../OcAppleDiskImageLib/OcAppleDiskImageLib.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Library/OcAppleDiskImageLib/OcAppleDiskImageLib.c b/Library/OcAppleDiskImageLib/OcAppleDiskImageLib.c
index 575fa8af..ef7f6739 100644
--- a/Library/OcAppleDiskImageLib/OcAppleDiskImageLib.c
+++ b/Library/OcAppleDiskImageLib/OcAppleDiskImageLib.c
@@ -57,6 +57,12 @@ OcAppleDiskImageInitializeContext (
   ASSERT (FileSize > 0);
 
   if (FileSize <= sizeof (Trailer)) {
+    DEBUG ((
+      DEBUG_INFO,
+      "Dmg file size error: %u/%u.\n",
+      FileSize,
+      (UINT32) sizeof (Trailer)
+      ));
     return FALSE;
   }
 
@@ -88,6 +94,14 @@ OcAppleDiskImageInitializeContext (
    || (XmlLength > MAX_UINT32)
    || (DataForkChecksum.Size > (sizeof (DataForkChecksum.Data) * 8))
    || (SectorCount == 0)) {
+    DEBUG ((
+      DEBUG_INFO,
+      "Dmg context error: %u/%Lu/%Lu/%u/%u.\n",
+      HeaderSize,
+      XmlLength,
+      SectorCount,
+      DataForkChecksum.Size
+      ));
     return FALSE;
   }
 
@@ -102,6 +116,7 @@ OcAppleDiskImageInitializeContext (
              &OffsetTop
              );
   if (Result || (OffsetTop > TrailerOffset)) {
+    DEBUG ((DEBUG_INFO, "Dmg xml error: %Lu %Lu %Lu %Lu\n", XmlOffset, XmlLength, OffsetTop, TrailerOffset));
     return FALSE;
   }
 
@@ -111,16 +126,19 @@ OcAppleDiskImageInitializeContext (
              &OffsetTop
              );
   if (Result || (OffsetTop > TrailerOffset)) {
+    DEBUG ((DEBUG_INFO, "Dmg data error: %Lu %Lu %Lu %Lu\n", DataForkOffset, DataForkLength, OffsetTop, TrailerOffset));
     return FALSE;
   }
 
   PlistData = AllocatePool (XmlLength);
   if (PlistData == NULL) {
+    DEBUG ((DEBUG_INFO, "Dmg plist alloc error: %Lu\n", XmlLength));
     return FALSE;
   }
 
   Result = OcAppleRamDiskRead (ExtentTable, XmlOffset, XmlLength, PlistData);
   if (!Result) {
+    DEBUG ((DEBUG_INFO, "Dmg plist read error: %Lu %Lu\n", XmlOffset, XmlLength));
     FreePool (PlistData);
     return FALSE;
   }
@@ -137,6 +155,7 @@ OcAppleDiskImageInitializeContext (
   FreePool (PlistData);
 
   if (!Result) {
+    DEBUG ((DEBUG_INFO, "Dmg plist parse error: %Lu %Lu\n", XmlOffset, XmlLength));
     return FALSE;
   }