Changeset 30 for trunk/samba/source/libsmb/clientgen.c

Timestamp:

Apr 25, 2007, 9:44:55 AM (14 years ago)

Author:

Paul Smedley

Message:

Code updated to Samba 3.0.25rc2 level

File:

• trunk/samba/source/libsmb/clientgen.c (modified) (1 diff)

trunk/samba/source/libsmb/clientgen.c

@@ -118 +118 @@
 
         if (!cli_check_sign_mac(cli)) {
+                /*
+                 * If we get a signature failure in sessionsetup, then
+                 * the server sometimes just reflects the sent signature
+                 * back to us. Detect this and allow the upper layer to
+                 * retrieve the correct Windows error message.
+                 */
+                if (CVAL(cli->outbuf,smb_com) == SMBsesssetupX &&
+                        (smb_len(cli->inbuf) > (smb_ss_field + 8 - 4)) &&
+                        (SVAL(cli->inbuf,smb_flg2) & FLAGS2_SMB_SECURITY_SIGNATURES) &&
+                        memcmp(&cli->outbuf[smb_ss_field],&cli->inbuf[smb_ss_field],8) == 0 &&
+                        cli_is_error(cli)) {
+
+                        /*
+                         * Reflected signature on login error. 
+                         * Set bad sig but don't close fd.
+                         */
+                        cli->smb_rw_error = READ_BAD_SIG;
+                        return True;
+                }
+
                 DEBUG(0, ("SMB Signature verification failed on incoming packet!\n"));
                 cli->smb_rw_error = READ_BAD_SIG;