2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: listenlist.c,v 1.14 2007/06/19 23:46:59 tbox Exp $ */
29 #include <named/listenlist.h>
32 destroy(ns_listenlist_t
*list
);
35 ns_listenelt_create(isc_mem_t
*mctx
, in_port_t port
,
36 dns_acl_t
*acl
, ns_listenelt_t
**target
)
38 ns_listenelt_t
*elt
= NULL
;
39 REQUIRE(target
!= NULL
&& *target
== NULL
);
40 elt
= isc_mem_get(mctx
, sizeof(*elt
));
42 return (ISC_R_NOMEMORY
);
44 ISC_LINK_INIT(elt
, link
);
48 return (ISC_R_SUCCESS
);
52 ns_listenelt_destroy(ns_listenelt_t
*elt
) {
54 dns_acl_detach(&elt
->acl
);
55 isc_mem_put(elt
->mctx
, elt
, sizeof(*elt
));
59 ns_listenlist_create(isc_mem_t
*mctx
, ns_listenlist_t
**target
) {
60 ns_listenlist_t
*list
= NULL
;
61 REQUIRE(target
!= NULL
&& *target
== NULL
);
62 list
= isc_mem_get(mctx
, sizeof(*list
));
64 return (ISC_R_NOMEMORY
);
67 ISC_LIST_INIT(list
->elts
);
69 return (ISC_R_SUCCESS
);
73 destroy(ns_listenlist_t
*list
) {
74 ns_listenelt_t
*elt
, *next
;
75 for (elt
= ISC_LIST_HEAD(list
->elts
);
79 next
= ISC_LIST_NEXT(elt
, link
);
80 ns_listenelt_destroy(elt
);
82 isc_mem_put(list
->mctx
, list
, sizeof(*list
));
86 ns_listenlist_attach(ns_listenlist_t
*source
, ns_listenlist_t
**target
) {
87 INSIST(source
->refcount
> 0);
93 ns_listenlist_detach(ns_listenlist_t
**listp
) {
94 ns_listenlist_t
*list
= *listp
;
95 INSIST(list
->refcount
> 0);
97 if (list
->refcount
== 0)
103 ns_listenlist_default(isc_mem_t
*mctx
, in_port_t port
,
104 isc_boolean_t enabled
, ns_listenlist_t
**target
)
107 dns_acl_t
*acl
= NULL
;
108 ns_listenelt_t
*elt
= NULL
;
109 ns_listenlist_t
*list
= NULL
;
111 REQUIRE(target
!= NULL
&& *target
== NULL
);
113 result
= dns_acl_any(mctx
, &acl
);
115 result
= dns_acl_none(mctx
, &acl
);
116 if (result
!= ISC_R_SUCCESS
)
119 result
= ns_listenelt_create(mctx
, port
, acl
, &elt
);
120 if (result
!= ISC_R_SUCCESS
)
123 result
= ns_listenlist_create(mctx
, &list
);
124 if (result
!= ISC_R_SUCCESS
)
125 goto cleanup_listenelt
;
127 ISC_LIST_APPEND(list
->elts
, elt
, link
);
130 return (ISC_R_SUCCESS
);
133 ns_listenelt_destroy(elt
);
135 dns_acl_detach(&acl
);