IOS/ES: Implement ES_DeleteContent (0x3e)

Source/Core/Core/IOS/ES/ES.cpp

@@ -474,6 +474,8 @@ IPCCommandResult ES::IOCtlV(const IOCtlVRequest& request)
     return DeleteTitleContent(request);
   case IOCTL_ES_DELETESHAREDCONTENT:
     return DeleteSharedContent(request);
+  case IOCTL_ES_DELETE_CONTENT:
+    return DeleteContent(request);
   case IOCTL_ES_GETSTOREDTMDSIZE:
     return GetStoredTMDSize(request);
   case IOCTL_ES_GETSTOREDTMD:
@@ -515,7 +517,6 @@ IPCCommandResult ES::IOCtlV(const IOCtlVRequest& request)
   case IOCTL_ES_VERIFYSIGN:
   case IOCTL_ES_UNKNOWN_3C:
   case IOCTL_ES_UNKNOWN_3D:
-  case IOCTL_ES_UNKNOWN_3E:
   case IOCTL_ES_UNKNOWN_41:
   case IOCTL_ES_UNKNOWN_42:
     PanicAlert("IOS-ES: Unimplemented ioctlv 0x%x (%zu in vectors, %zu io vectors)",

Source/Core/Core/IOS/ES/ES.h

@@ -115,6 +115,7 @@ public:
   ReturnCode DeleteTitleContent(u64 title_id) const;
   ReturnCode DeleteTicket(const u8* ticket_view);
   ReturnCode DeleteSharedContent(const std::array<u8, 20>& sha1) const;
+  ReturnCode DeleteContent(u64 title_id, u32 content_id) const;
 
   // Views
   ReturnCode GetV0TicketFromView(const u8* ticket_view, u8* ticket) const;
@@ -184,7 +185,7 @@ private:
     IOCTL_ES_DIVERIFY_WITH_VIEW = 0x3B,
     IOCTL_ES_UNKNOWN_3C = 0x3C,
     IOCTL_ES_UNKNOWN_3D = 0x3D,
-    IOCTL_ES_UNKNOWN_3E = 0x3E,
+    IOCTL_ES_DELETE_CONTENT = 0x3E,
     IOCTL_ES_INVALID_3F = 0x3F,
     IOCTL_ES_GET_V0_TICKET_FROM_VIEW = 0x40,
     IOCTL_ES_UNKNOWN_41 = 0x41,
@@ -215,6 +216,7 @@ private:
   IPCCommandResult DeleteTitleContent(const IOCtlVRequest& request);
   IPCCommandResult DeleteTicket(const IOCtlVRequest& request);
   IPCCommandResult DeleteSharedContent(const IOCtlVRequest& request);
+  IPCCommandResult DeleteContent(const IOCtlVRequest& request);
 
   // Device identity and encryption
   IPCCommandResult GetConsoleID(const IOCtlVRequest& request);

Source/Core/Core/IOS/ES/TitleManagement.cpp

@@ -440,6 +440,39 @@ IPCCommandResult ES::DeleteTitleContent(const IOCtlVRequest& request)
   return GetDefaultReply(DeleteTitleContent(Memory::Read_U64(request.in_vectors[0].address)));
 }
 
+ReturnCode ES::DeleteContent(u64 title_id, u32 content_id) const
+{
+  if (!CanDeleteTitle(title_id))
+    return ES_EINVAL;
+
+  const auto tmd = IOS::ES::FindInstalledTMD(title_id);
+  if (!tmd.IsValid())
+    return FS_ENOENT;
+
+  IOS::ES::Content content;
+  if (!tmd.FindContentById(content_id, &content))
+    return ES_EINVAL;
+
+  if (!File::Delete(Common::GetTitleContentPath(title_id, Common::FROM_SESSION_ROOT) +
+                    StringFromFormat("%08x.app", content_id)))
+  {
+    return FS_ENOENT;
+  }
+
+  return IPC_SUCCESS;
+}
+
+IPCCommandResult ES::DeleteContent(const IOCtlVRequest& request)
+{
+  if (!request.HasNumberOfValidVectors(2, 0) || request.in_vectors[0].size != sizeof(u64) ||
+      request.in_vectors[1].size != sizeof(u32))
+  {
+    return GetDefaultReply(ES_EINVAL);
+  }
+  return GetDefaultReply(DeleteContent(Memory::Read_U64(request.in_vectors[0].address),
+                                       Memory::Read_U32(request.in_vectors[1].address)));
+}
+
 ReturnCode ES::ExportTitleInit(Context& context, u64 title_id, u8* tmd_bytes, u32 tmd_size)
 {
   // No concurrent title import/export is allowed.