[exim-cvs] DKIM: fix errorcheck in signing, lilbgcrypt vers…

Gitweb: https://git.exim.org/exim.git/commitdiff/428cdca73df1791fcba048d0f1093725d8288bd6

Commit:     428cdca73df1791fcba048d0f1093725d8288bd6
Parent:     bb71a66f55c3dd047dd5973c08365a967910f5e1
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Sun Sep 29 12:49:34 2019 +0100
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Sun Sep 29 12:49:34 2019 +0100

    DKIM: fix errorcheck in signing, lilbgcrypt version.  Bug 2450
---
 src/src/pdkim/signing.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/src/pdkim/signing.c b/src/src/pdkim/signing.c
index aff3d90..102e7bf 100644
--- a/src/src/pdkim/signing.c
+++ b/src/src/pdkim/signing.c
@@ -412,8 +412,9 @@ if ( !(s1 = Ustrstr(CS privkey_pem, "-----BEGIN RSA PRIVATE KEY-----"))

*s2 = '\0';

-if ((der.len = b64decode(s1, &der.data)) < 0)
+if ((rc = b64decode(s1, &der.data) < 0))
return US"Bad PEM-DER b64 decode";
+der.len = rc;

/* untangle asn.1 */