s3-winbind: Add support for the kernel krb5 keyring buffer.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit 5a55cb636fa50e96000ea6a00960cc34e00e26a1)

diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c
index 9b6764bef702e49abf25a29539c3b69b3030b61d..8f2facd447bc4e13cbcd3f21f34810c5d4bc46ee 100644 (file)
--- a/source3/winbindd/winbindd_pam.c
+++ b/source3/winbindd/winbindd_pam.c
@@ -492,6 +492,10 @@ static const char *generate_krb5_ccache(TALLOC_CTX *mem_ctx,
                        gen_cc = talloc_asprintf(
                                mem_ctx, "WRFILE:/tmp/krb5cc_%d", uid);
                }
+               if (strequal(type, "KEYRING")) {
+                       gen_cc = talloc_asprintf(
+                               mem_ctx, "KEYRING:persistent:%d", uid);
+               }
 
                if (strnequal(type, "FILE:/", 6) ||
                    strnequal(type, "WRFILE:/", 8) ||