From a104bb2b485c5991750d7bf16294707e7e377ed8 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 9 Jan 2022 20:14:00 -0700
Subject: [PATCH] binman: Convert to using the futility bintool

Update the GBB and vblock entry types to use this bintool, instead of
running futility directly. This simplifies the code and provides more
consistency as well as supporting missing bintools.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 tools/binman/etype/gbb.py    | 37 ++++++++++++++++++++++---------------
 tools/binman/etype/vblock.py | 32 +++++++++++++++++++-------------
 2 files changed, 41 insertions(+), 28 deletions(-)

diff --git a/tools/binman/etype/gbb.py b/tools/binman/etype/gbb.py
index 41554eb..ca8af1b 100644
--- a/tools/binman/etype/gbb.py
+++ b/tools/binman/etype/gbb.py
@@ -77,20 +77,27 @@ class Entry_gbb(Entry):
         bmpfv_size = gbb_size - 0x2180
         if bmpfv_size < 0:
             self.Raise('GBB is too small (minimum 0x2180 bytes)')
-        sizes = [0x100, 0x1000, bmpfv_size, 0x1000]
-        sizes = ['%#x' % size for size in sizes]
         keydir = tools.GetInputFilename(self.keydir)
-        gbb_set_command = [
-            'gbb_utility', '-s',
-            '--hwid=%s' % self.hardware_id,
-            '--rootkey=%s/root_key.vbpubk' % keydir,
-            '--recoverykey=%s/recovery_key.vbpubk' % keydir,
-            '--flags=%d' % self.gbb_flags,
-            '--bmpfv=%s' % tools.GetInputFilename(self.bmpblk),
-            fname]
-
-        tools.Run('futility', 'gbb_utility', '-c', ','.join(sizes), fname)
-        tools.Run('futility', *gbb_set_command)
-
-        self.SetContents(tools.ReadFile(fname))
+
+        stdout = self.futility.gbb_create(
+            fname, [0x100, 0x1000, bmpfv_size, 0x1000])
+        if stdout is not None:
+            stdout = self.futility.gbb_set(
+                fname,
+                hwid=self.hardware_id,
+                rootkey='%s/root_key.vbpubk' % keydir,
+                recoverykey='%s/recovery_key.vbpubk' % keydir,
+                flags=self.gbb_flags,
+                bmpfv=tools.GetInputFilename(self.bmpblk))
+
+        if stdout is not None:
+            self.SetContents(tools.ReadFile(fname))
+        else:
+            # Bintool is missing; just use the required amount of zero data
+            self.record_missing_bintool(self.futility)
+            self.SetContents(tools.GetBytes(0, gbb_size))
+
         return True
+
+    def AddBintools(self, tools):
+        self.futility = self.AddBintool(tools, 'futility')
diff --git a/tools/binman/etype/vblock.py b/tools/binman/etype/vblock.py
index c0a6a28..8bbba27 100644
--- a/tools/binman/etype/vblock.py
+++ b/tools/binman/etype/vblock.py
@@ -38,6 +38,7 @@ class Entry_vblock(Entry_collection):
     """
     def __init__(self, section, etype, node):
         super().__init__(section, etype, node)
+        self.futility = None
         (self.keydir, self.keyblock, self.signprivate, self.version,
          self.kernelkey, self.preamble_flags) = self.GetEntryArgsOrProps([
             EntryArg('keydir', str),
@@ -68,19 +69,21 @@ class Entry_vblock(Entry_collection):
         input_fname = tools.GetOutputFilename('input.%s' % uniq)
         tools.WriteFile(input_fname, input_data)
         prefix = self.keydir + '/'
-        args = [
-            'vbutil_firmware',
-            '--vblock', output_fname,
-            '--keyblock', prefix + self.keyblock,
-            '--signprivate', prefix + self.signprivate,
-            '--version', '%d' % self.version,
-            '--fv', input_fname,
-            '--kernelkey', prefix + self.kernelkey,
-            '--flags', '%d' % self.preamble_flags,
-        ]
-        #out.Notice("Sign '%s' into %s" % (', '.join(self.value), self.label))
-        stdout = tools.Run('futility', *args)
-        return tools.ReadFile(output_fname)
+        stdout = self.futility.sign_firmware(
+            vblock=output_fname,
+            keyblock=prefix + self.keyblock,
+            signprivate=prefix + self.signprivate,
+            version=f'{self.version,}',
+            firmware=input_fname,
+            kernelkey=prefix + self.kernelkey,
+            flags=f'{self.preamble_flags}')
+        if stdout is not None:
+            data = tools.ReadFile(output_fname)
+        else:
+            # Bintool is missing; just use 4KB of zero data
+            self.record_missing_bintool(self.futility)
+            data = tools.GetBytes(0, 4096)
+        return data
 
     def ObtainContents(self):
         data = self.GetVblock(False)
@@ -93,3 +96,6 @@ class Entry_vblock(Entry_collection):
         # The blob may have changed due to WriteSymbols()
         data = self.GetVblock(True)
         return self.ProcessContentsUpdate(data)
+
+    def AddBintools(self, tools):
+        self.futility = self.AddBintool(tools, 'futility')
-- 
2.7.4