From eabd4140a9a273a0ac99dec2f19b808b8379736c Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 2 Dec 2006 04:42:33 +0000
Subject: [PATCH] Always verify the ebuild checksums before executing it. 
 Thanks to solar for the suggestion and antarus for the initial patch.

svn path=/main/trunk/; revision=5150
---
 pym/portage.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/pym/portage.py b/pym/portage.py
index 7513beb2b..e04fafebf 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -3007,6 +3007,29 @@ def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
 			noiselevel=-1)
 		return 1
 
+	if "strict" in features and mydo not in ("digest", "manifest", "help"):
+		# Always verify the ebuild checksums before executing it.
+		pkgdir = os.path.dirname(myebuild)
+		manifest_path = os.path.join(pkgdir, "Manifest")
+		if not os.path.exists(manifest_path):
+			writemsg("!!! Manifest file not found: '%s'\n" % manifest_path,
+				noiselevel=-1)
+			return 1
+		mf = Manifest(pkgdir, mysettings["DISTDIR"])
+		try:
+			mf.checkTypeHashes("EBUILD")
+		except portage_exception.FileNotFound, e:
+			writemsg("!!! A file listed in the Manifest " + \
+				"could not be found: %s\n" % str(e), noiselevel=-1)
+			return 1
+		except portage_exception.DigestException, e:
+			writemsg("!!! Digest verification failed:\n", noiselevel=-1)
+			writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
+			writemsg("!!! Reason: %s\n" % e.value[1], noiselevel=-1)
+			writemsg("!!! Got: %s\n" % e.value[2], noiselevel=-1)
+			writemsg("!!! Expected: %s\n" % e.value[3], noiselevel=-1)
+			return 1
+
 	doebuild_environment(myebuild, mydo, myroot, mysettings, debug,
 		use_cache, mydbapi)
 
-- 
2.26.2