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authorDaniel Kahn Gillmor <dkg@fifthhorseman.net>2019-05-29 17:56:01 -0400
committerDaniel Kahn Gillmor <dkg@fifthhorseman.net>2019-05-29 17:56:01 -0400
commitfa0a5ffd4997c2ca38a1dd2d89459b6b1f18ad99 (patch)
tree5f7d9c3054fe50fbc45fe7ae06d9b7ea558ea2f4
parentf9c923bb2d87711235312e8085964372d7480ce4 (diff)
downloadgpgme-dkg/fix-T3464.tar.gz
gpg: Avoid error diagnostics with --override-session-key when verifyingdkg/fix-T3464
* src/engine-gpg.c (gpg_decrypt): only send --no-keyring when we are not verifying. -- Without this change, the signature verification would fail. This problem was introduced in bded8ebc59c7fdad2617f4c9232a58047656834c in an attempt to avoid an error when *not* verifying. Clearly more test suite coverage is needed to avoid introducing this sort of problem in the future. GnuPG-bug-id: 3464 Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
-rw-r--r--src/engine-gpg.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/engine-gpg.c b/src/engine-gpg.c
index 31d219a3..66d25649 100644
--- a/src/engine-gpg.c
+++ b/src/engine-gpg.c
@@ -1695,12 +1695,15 @@ gpg_decrypt (void *engine,
strlen (override_session_key), 1);
if (!err)
{
- /* We add --no-keyring because a keyring is not required
- * when we are overriding the session key. It would
+ /* When we are not trying to verify signatures as well,
+ * we add --no-keyring because a keyring is not required
+ * for decryption when overriding the session key. It would
* work without that option but --no-keyring avoids that
* gpg return a failure due to a missing key log_error()
* diagnostic. --no-keyring is supported since 2.1.14. */
- err = add_arg (gpg, "--no-keyring");
+
+ if (!(flags & GPGME_DECRYPT_VERIFY))
+ err = add_arg (gpg, "--no-keyring");
if (!err)
err = add_arg (gpg, "--override-session-key-fd");
if (!err)