Fix a SEGV in back-quote expansion.

	Problem found by Markus Krause <krause@biochem.mpg.de>

diff --git a/src/modules/rlm_ldap/rlm_ldap.c b/src/modules/rlm_ldap/rlm_ldap.c
index b84a3fc..336b5cd 100644 (file)
--- a/src/modules/rlm_ldap/rlm_ldap.c
+++ b/src/modules/rlm_ldap/rlm_ldap.c
@@ -2495,7 +2495,7 @@ static VALUE_PAIR *ldap_pairget(LDAP *ld, LDAPMessage *entry,
 
                                        /* the value will be xlat'ed later */
                                        case T_BACK_QUOTED_STRING:
-                                               value = NULL;
+                                               value = buf;
                                                do_xlat = TRUE;
                                                break;
 
@@ -2518,7 +2518,8 @@ static VALUE_PAIR *ldap_pairget(LDAP *ld, LDAPMessage *entry,
                                 *      Create the pair.
                                 */
                                newpair = pairmake(element->radius_attr,
-                                                  value, operator);
+                                                  do_xlat ? NULL : value,
+                                                  operator);
                                if (newpair == NULL) {
                                        radlog(L_ERR, "rlm_ldap: Failed to create the pair: %s", librad_errstr);
                                        continue;