]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/sasl.c
wake listener when scheduling qtask so it can run immediately
[openldap] / servers / slapd / sasl.c
index 91b56529336de3f5d2b6d3f570b6d5897d50fdb3..fd4b04cdbcd9e14fcd4948414922d540a29f905b 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -147,13 +147,13 @@ slap_sasl_log(
 static const char *slap_propnames[] = {
        "*slapConn", "*slapAuthcDN", "*slapAuthzDN", NULL };
 
-static Filter generic_filter = { LDAP_FILTER_PRESENT };
+static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
 
-#define        PROP_CONN       0
-#define        PROP_AUTHC      1
-#define        PROP_AUTHZ      2
-#define        PROP_COUNT      3       /* Number of properties we used */
+#define        SLAP_SASL_PROP_CONN     0
+#define        SLAP_SASL_PROP_AUTHC    1
+#define        SLAP_SASL_PROP_AUTHZ    2
+#define        SLAP_SASL_PROP_COUNT    3       /* Number of properties we used */
 
 typedef struct lookup_info {
        int flags;
@@ -185,7 +185,7 @@ sasl_ap_lookup( Operation *op, SlapReply *rs )
                        if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue;
                        /* Skip our private properties */
                        if ( !strcmp( name, slap_propnames[0] )) {
-                               i += PROP_COUNT-1;
+                               i += SLAP_SASL_PROP_COUNT - 1;
                                continue;
                        }
                        name++;
@@ -202,6 +202,14 @@ sasl_ap_lookup( Operation *op, SlapReply *rs )
                                "slap_ap_lookup: str2ad(%s): %s\n", name, text, 0 );
                        continue;
                }
+
+               /* If it's the rootdn and a rootpw was present, we already set
+                * it so don't override it here.
+                */
+               if ( ad == slap_schema.si_ad_userPassword && sl->list[i].values && 
+                       be_isroot_dn( op->o_bd, &op->o_req_ndn ))
+                       continue;
+
                a = attr_find( rs->sr_entry->e_attrs, ad );
                if ( !a ) continue;
                if ( ! access_allowed( op, rs->sr_entry, ad, NULL, ACL_AUTH, NULL ) ) {
@@ -267,19 +275,19 @@ slap_auxprop_lookup(
        /* Find our DN and conn first */
        for( i = 0; sl.list[i].name; i++ ) {
                if ( sl.list[i].name[0] == '*' ) {
-                       if ( !strcmp( sl.list[i].name, slap_propnames[PROP_CONN] ) ) {
+                       if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
                                if ( sl.list[i].values && sl.list[i].values[0] )
                                        AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
                                continue;
                        }
                        if ( (flags & SASL_AUXPROP_AUTHZID) &&
-                               !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) {
+                               !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] ) ) {
 
                                if ( sl.list[i].values && sl.list[i].values[0] )
                                        AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
                                break;
                        }
-                       if ( !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHC] ) ) {
+                       if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
                                if ( sl.list[i].values && sl.list[i].values[0] ) {
                                        AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
                                        if ( !(flags & SASL_AUXPROP_AUTHZID) )
@@ -297,7 +305,7 @@ slap_auxprop_lookup(
                        if ( flags & SASL_AUXPROP_AUTHZID ) continue;
                        /* Skip our private properties */
                        if ( !strcmp( name, slap_propnames[0] )) {
-                               i += PROP_COUNT-1;
+                               i += SLAP_SASL_PROP_COUNT - 1;
                                continue;
                        }
                        name++;
@@ -318,26 +326,69 @@ slap_auxprop_lookup(
 
                op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
 
-               if ( op.o_bd && op.o_bd->be_search ) {
-                       SlapReply rs = {REP_RESULT};
-                       op.o_hdr = conn->c_sasl_bindop->o_hdr;
-                       op.o_tag = LDAP_REQ_SEARCH;
-                       op.o_ndn = conn->c_ndn;
-                       op.o_callback = &cb;
-                       op.o_time = slap_get_time();
-                       op.o_do_not_cache = 1;
-                       op.o_is_auth_check = 1;
-                       op.o_req_dn = op.o_req_ndn;
-                       op.ors_scope = LDAP_SCOPE_BASE;
-                       op.ors_deref = LDAP_DEREF_NEVER;
-                       op.ors_tlimit = SLAP_NO_LIMIT;
-                       op.ors_slimit = 1;
-                       op.ors_filter = &generic_filter;
-                       op.ors_filterstr = generic_filterstr;
-                       /* FIXME: we want all attributes, right? */
-                       op.ors_attrs = NULL;
-
-                       op.o_bd->be_search( &op, &rs );
+               if ( op.o_bd ) {
+                       /* For rootdn, see if we can use the rootpw */
+                       if ( be_isroot_dn( op.o_bd, &op.o_req_ndn ) &&
+                               !BER_BVISEMPTY( &op.o_bd->be_rootpw )) {
+                               struct berval cbv = BER_BVNULL;
+
+                               /* If there's a recognized scheme, see if it's CLEARTEXT */
+                               if ( lutil_passwd_scheme( op.o_bd->be_rootpw.bv_val )) {
+                                       if ( !strncasecmp( op.o_bd->be_rootpw.bv_val,
+                                               sc_cleartext.bv_val, sc_cleartext.bv_len )) {
+
+                                               /* If it's CLEARTEXT, skip past scheme spec */
+                                               cbv.bv_len = op.o_bd->be_rootpw.bv_len -
+                                                       sc_cleartext.bv_len;
+                                               if ( cbv.bv_len ) {
+                                                       cbv.bv_val = op.o_bd->be_rootpw.bv_val +
+                                                               sc_cleartext.bv_len;
+                                               }
+                                       }
+                               /* No scheme, use the whole value */
+                               } else {
+                                       cbv = op.o_bd->be_rootpw;
+                               }
+                               if ( !BER_BVISEMPTY( &cbv )) {
+                                       for( i = 0; sl.list[i].name; i++ ) {
+                                               const char *name = sl.list[i].name;
+
+                                               if ( name[0] == '*' ) {
+                                                       if ( flags & SASL_AUXPROP_AUTHZID ) continue;
+                                                               name++;
+                                               } else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
+                                                       continue;
+
+                                               if ( !strcasecmp(name,"userPassword") ) {
+                                                       sl.sparams->utils->prop_set( sl.sparams->propctx,
+                                                               sl.list[i].name, cbv.bv_val, cbv.bv_len );
+                                                       break;
+                                               }
+                                       }
+                               }
+                       }
+
+                       if ( op.o_bd->be_search ) {
+                               SlapReply rs = {REP_RESULT};
+                               op.o_hdr = conn->c_sasl_bindop->o_hdr;
+                               op.o_tag = LDAP_REQ_SEARCH;
+                               op.o_ndn = conn->c_ndn;
+                               op.o_callback = &cb;
+                               slap_op_time( &op.o_time, &op.o_tincr );
+                               op.o_do_not_cache = 1;
+                               op.o_is_auth_check = 1;
+                               op.o_req_dn = op.o_req_ndn;
+                               op.ors_scope = LDAP_SCOPE_BASE;
+                               op.ors_deref = LDAP_DEREF_NEVER;
+                               op.ors_tlimit = SLAP_NO_LIMIT;
+                               op.ors_slimit = 1;
+                               op.ors_filter = &generic_filter;
+                               op.ors_filterstr = generic_filterstr;
+                               /* FIXME: we want all attributes, right? */
+                               op.ors_attrs = NULL;
+
+                               op.o_bd->be_search( &op, &rs );
+                       }
                }
        }
 }
@@ -372,12 +423,12 @@ slap_auxprop_store(
        /* Find our DN and conn first */
        for( i = 0; pr[i].name; i++ ) {
                if ( pr[i].name[0] == '*' ) {
-                       if ( !strcmp( pr[i].name, slap_propnames[PROP_CONN] ) ) {
+                       if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
                                if ( pr[i].values && pr[i].values[0] )
                                        AC_MEMCPY( &conn, pr[i].values[0], sizeof( conn ) );
                                continue;
                        }
-                       if ( !strcmp( pr[i].name, slap_propnames[PROP_AUTHC] ) ) {
+                       if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
                                if ( pr[i].values && pr[i].values[0] ) {
                                        AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) );
                                }
@@ -421,25 +472,20 @@ slap_auxprop_store(
                        &text, textbuf, textlen );
 
                if ( rc == LDAP_SUCCESS ) {
-                       rc = slap_mods_opattrs( &op, modlist, modtail,
-                                       &text, textbuf, textlen, 1 );
-
-                       if ( rc == LDAP_SUCCESS ) {
-                               op.o_hdr = conn->c_sasl_bindop->o_hdr;
-                               op.o_tag = LDAP_REQ_MODIFY;
-                               op.o_ndn = op.o_req_ndn;
-                               op.o_callback = &cb;
-                               op.o_time = slap_get_time();
-                               op.o_do_not_cache = 1;
-                               op.o_is_auth_check = 1;
-                               op.o_req_dn = op.o_req_ndn;
-                               op.orm_modlist = modlist;
+                       op.o_hdr = conn->c_sasl_bindop->o_hdr;
+                       op.o_tag = LDAP_REQ_MODIFY;
+                       op.o_ndn = op.o_req_ndn;
+                       op.o_callback = &cb;
+                       slap_op_time( &op.o_time, &op.o_tincr );
+                       op.o_do_not_cache = 1;
+                       op.o_is_auth_check = 1;
+                       op.o_req_dn = op.o_req_ndn;
+                       op.orm_modlist = modlist;
 
-                               rc = op.o_bd->be_modify( &op, &rs );
-                       }
+                       rc = op.o_bd->be_modify( &op, &rs );
                }
        }
-       slap_mods_free( modlist );
+       slap_mods_free( modlist, 1 );
        return rc != LDAP_SUCCESS ? SASL_FAIL : SASL_OK;
 }
 #endif /* SASL_VERSION_FULL >= 2.1.16 */
@@ -496,7 +542,7 @@ slap_sasl_canonicalize(
 {
        Connection *conn = (Connection *)context;
        struct propctx *props = sasl_auxprop_getctx( sconn );
-       struct propval auxvals[3];
+       struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
        struct berval dn;
        int rc, which;
        const char *names[2];
@@ -529,13 +575,13 @@ slap_sasl_canonicalize(
                prop_request( props, slap_propnames );
 
        if ( flags & SASL_CU_AUTHID )
-               which = PROP_AUTHC;
+               which = SLAP_SASL_PROP_AUTHC;
        else
-               which = PROP_AUTHZ;
+               which = SLAP_SASL_PROP_AUTHZ;
 
        /* Need to store the Connection for auxprop_lookup */
-       if ( !auxvals[PROP_CONN].values ) {
-               names[0] = slap_propnames[PROP_CONN];
+       if ( !auxvals[SLAP_SASL_PROP_CONN].values ) {
+               names[0] = slap_propnames[SLAP_SASL_PROP_CONN];
                names[1] = NULL;
                prop_set( props, names[0], (char *)&conn, sizeof( conn ) );
        }
@@ -559,7 +605,7 @@ slap_sasl_canonicalize(
         * it does authzID before the authcID. If we see that authzID
         * has already been done, don't do anything special with authcID.
         */
-       if ( flags == SASL_CU_AUTHID && !auxvals[PROP_AUTHZ].values ) {
+       if ( flags == SASL_CU_AUTHID && !auxvals[SLAP_SASL_PROP_AUTHZ].values ) {
                conn->c_sasl_dn.bv_val = (char *) in;
        } else if ( flags == SASL_CU_AUTHZID && conn->c_sasl_dn.bv_val ) {
                rc = strcmp( in, conn->c_sasl_dn.bv_val );
@@ -608,7 +654,11 @@ slap_sasl_authorize(
        struct propctx *props)
 {
        Connection *conn = (Connection *)context;
-       struct propval auxvals[3];
+       /* actually:
+        *      (SLAP_SASL_PROP_COUNT - 1)      because we skip "conn",
+        *      + 1                             for NULL termination?
+        */
+       struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
        struct berval authcDN, authzDN = BER_BVNULL;
        int rc;
 
@@ -624,7 +674,7 @@ slap_sasl_authorize(
                BER_BVZERO( &conn->c_sasl_dn );
        }
 
-       /* Skip PROP_CONN */
+       /* Skip SLAP_SASL_PROP_CONN */
        prop_getnames( props, slap_propnames+1, auxvals );
        
        /* Should not happen */
@@ -654,7 +704,17 @@ slap_sasl_authorize(
                return SASL_NOAUTHZ;
        }
 
-       conn->c_sasl_authz_dn = authzDN;
+       /* FIXME: we need yet another dup because slap_sasl_getdn()
+        * is using the bind operation slab */
+       if ( conn->c_sasl_bindop ) {
+               ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
+               slap_sl_free( authzDN.bv_val,
+                               conn->c_sasl_bindop->o_tmpmemctx );
+
+       } else {
+               conn->c_sasl_authz_dn = authzDN;
+       }
+
 ok:
        if (conn->c_sasl_bindop) {
                Statslog( LDAP_DEBUG_STATS,
@@ -777,6 +837,18 @@ slap_sasl_err2ldap( int saslerr )
 {
        int rc;
 
+       /* map SASL errors to LDAP resultCode returned by:
+        *      sasl_server_new()
+        *              SASL_OK, SASL_NOMEM
+        *      sasl_server_step()
+        *              SASL_OK, SASL_CONTINUE, SASL_TRANS, SASL_BADPARAM, SASL_BADPROT,
+        *      ...
+        *      sasl_server_start()
+        *      + SASL_NOMECH
+        *      sasl_setprop()
+        *              SASL_OK, SASL_BADPARAM
+        */
+
        switch (saslerr) {
                case SASL_OK:
                        rc = LDAP_SUCCESS;
@@ -785,8 +857,6 @@ slap_sasl_err2ldap( int saslerr )
                        rc = LDAP_SASL_BIND_IN_PROGRESS;
                        break;
                case SASL_FAIL:
-                       rc = LDAP_OTHER;
-                       break;
                case SASL_NOMEM:
                        rc = LDAP_OTHER;
                        break;
@@ -794,6 +864,9 @@ slap_sasl_err2ldap( int saslerr )
                        rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
                        break;
                case SASL_BADAUTH:
+               case SASL_NOUSER:
+               case SASL_TRANS:
+               case SASL_EXPIRED:
                        rc = LDAP_INVALID_CREDENTIALS;
                        break;
                case SASL_NOAUTHZ:
@@ -803,6 +876,13 @@ slap_sasl_err2ldap( int saslerr )
                case SASL_ENCRYPT:
                        rc = LDAP_INAPPROPRIATE_AUTH;
                        break;
+               case SASL_UNAVAIL:
+               case SASL_TRYAGAIN:
+                       rc = LDAP_UNAVAILABLE;
+                       break;
+               case SASL_DISABLED:
+                       rc = LDAP_UNWILLING_TO_PERFORM;
+                       break;
                default:
                        rc = LDAP_OTHER;
                        break;
@@ -1371,6 +1451,9 @@ int slap_sasl_bind( Operation *op, SlapReply *rs )
                }
        } else if ( sc == SASL_CONTINUE ) {
                rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
+#if SASL_VERSION_MAJOR >= 2
+               rs->sr_text = sasl_errdetail( ctx );
+#endif
                rs->sr_sasldata = &response;
                send_ldap_sasl( op, rs );
 
@@ -1383,9 +1466,7 @@ int slap_sasl_bind( Operation *op, SlapReply *rs )
        }
 
 #if SASL_VERSION_MAJOR < 2
-       if( response.bv_len ) {
-               ch_free( response.bv_val );
-       }
+       if( response.bv_len ) ch_free( response.bv_val );
 #endif
 
        Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
@@ -1544,7 +1625,7 @@ int slap_sasl_getdn( Connection *conn, Operation *op, struct berval *id,
        if ( !op ) {
                op = conn->c_sasl_bindop;
        }
-       assert( op );
+       assert( op != NULL );
 
        BER_BVZERO( dn );