[Libguestfs] [PATCH v3 2/2] v2v: ova: support SHA256 hashes in manifest
The OVF standard allows the use of SHA256 hashes in the manifest file.
Adding support for this.
Signed-off-by: Tomáš Golembiovský <tgolembi(a)redhat.com>
---
v2v/input_ova.ml | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/v2v/input_ova.ml b/v2v/input_ova.ml
index ef9da36..d85215b 100644
--- a/v2v/input_ova.ml
+++ b/v2v/input_ova.ml
@@ -133,7 +133,7 @@ object
(* Read any .mf (manifest) files and verify sha1. *)
let mf = find_files exploded ".mf" in
- let rex = Str.regexp "SHA1(\\(.*\\))= \\([0-9a-fA-F]+\\)\r?" in
+ let rex = Str.regexp "\\(SHA1\\|SHA256\\)(\\(.*\\))= \\([0-9a-fA-F]+\\)\r?"
in
List.iter (
fun mf ->
debug "processing manifest %s" mf;
@@ -142,13 +142,14 @@ object
let rec loop () =
let line = input_line chan in
if Str.string_match rex line 0 then (
- let disk = Str.matched_group 1 line in
- let expected = Str.matched_group 2 line in
- let csum = Checksums.SHA1 expected in
+ let mode = Str.matched_group 1 line in
+ let disk = Str.matched_group 2 line in
+ let expected = Str.matched_group 3 line in
+ let csum = Checksums.of_string mode expected in
try Checksums.verify_checksum csum (mf_folder // disk)
with Checksums.Mismatched_checksum (_, actual) ->
- error (f_"checksum of disk %s does not match manifest %s (actual
sha1(%s) = %s, expected sha1 (%s) = %s)")
- disk mf disk actual disk expected;
+ error (f_"checksum of disk %s does not match manifest %s (actual
%s(%s) = %s, expected %s(%s) = %s)")
+ disk mf mode disk actual mode disk expected;
)
else
warning (f_"unable to parse line from manifest file: %S") line
--
2.10.0