libcli/smb: only force signing of smb2 session setups when binding a new session

Bug: https://bugzilla.samba.org/show_bug.cgi?id=10958

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Dec 12 23:11:40 CET 2014 on sn-devel-104

diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index a3a7ecb801cf4dfb3339e3f47395d3dd2a7962da..8aa60201901d2446091ce6212fd3c289a1a11660 100644 (file)
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -2682,7 +2682,12 @@ struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx,
                state->smb2.should_encrypt = session->smb2->should_encrypt;
 
                if (cmd == SMB2_OP_SESSSETUP &&
-                   session->smb2->signing_key.length != 0) {
+                   session->smb2_channel.signing_key.length == 0 &&
+                   session->smb2->signing_key.length != 0)
+               {
+                       /*
+                        * a session bind needs to be signed
+                        */
                        state->smb2.should_sign = true;
                }