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authorPeter Wemm <peter@FreeBSD.org>2008-07-12 05:00:28 +0000
committerPeter Wemm <peter@FreeBSD.org>2008-07-12 05:00:28 +0000
commita988131922df6e2093bf4391d6b1b021c07d6b3c (patch)
treeceac31a567976fd5866cb5791b059781f6e045de /lib/lwres/include/lwres
parent3104e2690b183ef5948f77893efb9ddc3f9edce2 (diff)
downloadsrc-a988131922df6e2093bf4391d6b1b021c07d6b3c.tar.gz
src-a988131922df6e2093bf4391d6b1b021c07d6b3c.zip
Flatten bind9 vendor work area
Notes
Notes: svn path=/vendor/bind9/dist/; revision=180456
Diffstat (limited to 'lib/lwres/include/lwres')
-rw-r--r--lib/lwres/include/lwres/Makefile.in46
-rw-r--r--lib/lwres/include/lwres/context.h129
-rw-r--r--lib/lwres/include/lwres/int.h34
-rw-r--r--lib/lwres/include/lwres/ipv6.h124
-rw-r--r--lib/lwres/include/lwres/lang.h33
-rw-r--r--lib/lwres/include/lwres/list.h121
-rw-r--r--lib/lwres/include/lwres/lwbuffer.h406
-rw-r--r--lib/lwres/include/lwres/lwpacket.h159
-rw-r--r--lib/lwres/include/lwres/lwres.h579
-rw-r--r--lib/lwres/include/lwres/netdb.h.in520
-rw-r--r--lib/lwres/include/lwres/platform.h.in120
-rw-r--r--lib/lwres/include/lwres/result.h42
-rw-r--r--lib/lwres/include/lwres/stdlib.h40
-rw-r--r--lib/lwres/include/lwres/version.h28
14 files changed, 2381 insertions, 0 deletions
diff --git a/lib/lwres/include/lwres/Makefile.in b/lib/lwres/include/lwres/Makefile.in
new file mode 100644
index 000000000000..98b8f488ef27
--- /dev/null
+++ b/lib/lwres/include/lwres/Makefile.in
@@ -0,0 +1,46 @@
+# Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2000, 2001 Internet Software Consortium.
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.21 2004/03/05 05:12:52 marka Exp $
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+top_srcdir = @top_srcdir@
+
+#
+# Only list headers that are to be installed and are not
+# machine generated. The latter are handled specially in the
+# install target below.
+#
+HEADERS = context.h lwbuffer.h lwpacket.h lwres.h result.h \
+ int.h lang.h list.h ipv6.h version.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+ $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}/lwres
+
+install:: installdirs
+ for i in ${HEADERS}; do \
+ ${INSTALL_DATA} ${srcdir}/$$i ${DESTDIR}${includedir}/lwres ; \
+ done
+ ${INSTALL_DATA} netdb.h ${DESTDIR}${includedir}/lwres
+ ${INSTALL_DATA} platform.h ${DESTDIR}${includedir}/lwres
+
+distclean::
+ rm -f netdb.h platform.h
diff --git a/lib/lwres/include/lwres/context.h b/lib/lwres/include/lwres/context.h
new file mode 100644
index 000000000000..bd2444638b9c
--- /dev/null
+++ b/lib/lwres/include/lwres/context.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: context.h,v 1.15.18.2 2005/04/29 00:17:21 marka Exp $ */
+
+#ifndef LWRES_CONTEXT_H
+#define LWRES_CONTEXT_H 1
+
+/*! \file */
+
+#include <stddef.h>
+
+#include <lwres/lang.h>
+#include <lwres/int.h>
+#include <lwres/result.h>
+
+/*!
+ * Used to set various options such as timeout, authentication, etc
+ */
+typedef struct lwres_context lwres_context_t;
+
+LWRES_LANG_BEGINDECLS
+
+typedef void *(*lwres_malloc_t)(void *arg, size_t length);
+typedef void (*lwres_free_t)(void *arg, void *mem, size_t length);
+
+/*
+ * XXXMLG
+ *
+ * Make the server reload /etc/resolv.conf periodically.
+ *
+ * Make the server do sortlist/searchlist.
+ *
+ * Client side can disable the search/sortlist processing.
+ *
+ * Use an array of addresses/masks and searchlist for client-side, and
+ * if added to the client disable the processing on the server.
+ *
+ * Share /etc/resolv.conf data between contexts.
+ */
+
+/*!
+ * _SERVERMODE
+ * Don't allocate and connect a socket to the server, since the
+ * caller _is_ a server.
+ */
+#define LWRES_CONTEXT_SERVERMODE 0x00000001U
+
+lwres_result_t
+lwres_context_create(lwres_context_t **contextp, void *arg,
+ lwres_malloc_t malloc_function,
+ lwres_free_t free_function,
+ unsigned int flags);
+/**<
+ * Allocate a lwres context. This is used in all lwres calls.
+ *
+ * Memory management can be replaced here by passing in two functions.
+ * If one is non-NULL, they must both be non-NULL. "arg" is passed to
+ * these functions.
+ *
+ * Contexts are not thread safe. Document at the top of the file.
+ * XXXMLG
+ *
+ * If they are NULL, the standard malloc() and free() will be used.
+ *
+ *\pre contextp != NULL && contextp == NULL.
+ *
+ *\return Returns 0 on success, non-zero on failure.
+ */
+
+void
+lwres_context_destroy(lwres_context_t **contextp);
+/**<
+ * Frees all memory associated with a lwres context.
+ *
+ *\pre contextp != NULL && contextp == NULL.
+ */
+
+lwres_uint32_t
+lwres_context_nextserial(lwres_context_t *ctx);
+/**<
+ * XXXMLG Document
+ */
+
+void
+lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial);
+
+void
+lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len);
+
+void *
+lwres_context_allocmem(lwres_context_t *ctx, size_t len);
+
+int
+lwres_context_getsocket(lwres_context_t *ctx);
+
+lwres_result_t
+lwres_context_send(lwres_context_t *ctx,
+ void *sendbase, int sendlen);
+
+lwres_result_t
+lwres_context_recv(lwres_context_t *ctx,
+ void *recvbase, int recvlen,
+ int *recvd_len);
+
+lwres_result_t
+lwres_context_sendrecv(lwres_context_t *ctx,
+ void *sendbase, int sendlen,
+ void *recvbase, int recvlen,
+ int *recvd_len);
+
+LWRES_LANG_ENDDECLS
+
+#endif /* LWRES_CONTEXT_H */
+
diff --git a/lib/lwres/include/lwres/int.h b/lib/lwres/include/lwres/int.h
new file mode 100644
index 000000000000..337316e21f4a
--- /dev/null
+++ b/lib/lwres/include/lwres/int.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: int.h,v 1.8.18.2 2005/04/29 00:17:21 marka Exp $ */
+
+#ifndef LWRES_INT_H
+#define LWRES_INT_H 1
+
+/*! \file */
+
+typedef char lwres_int8_t;
+typedef unsigned char lwres_uint8_t;
+typedef short lwres_int16_t;
+typedef unsigned short lwres_uint16_t;
+typedef int lwres_int32_t;
+typedef unsigned int lwres_uint32_t;
+typedef long long lwres_int64_t;
+typedef unsigned long long lwres_uint64_t;
+
+#endif /* LWRES_INT_H */
diff --git a/lib/lwres/include/lwres/ipv6.h b/lib/lwres/include/lwres/ipv6.h
new file mode 100644
index 000000000000..06dab596959e
--- /dev/null
+++ b/lib/lwres/include/lwres/ipv6.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: ipv6.h,v 1.10.18.2 2005/04/29 00:17:21 marka Exp $ */
+
+#ifndef LWRES_IPV6_H
+#define LWRES_IPV6_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file ipv6.h
+ * IPv6 definitions for systems which do not support IPv6.
+ */
+
+/***
+ *** Imports.
+ ***/
+
+#include <lwres/int.h>
+#include <lwres/platform.h>
+
+/***
+ *** Types.
+ ***/
+
+/*% in6_addr structure */
+struct in6_addr {
+ union {
+ lwres_uint8_t _S6_u8[16];
+ lwres_uint16_t _S6_u16[8];
+ lwres_uint32_t _S6_u32[4];
+ } _S6_un;
+};
+/*@{*/
+/*% IP v6 types */
+#define s6_addr _S6_un._S6_u8
+#define s6_addr8 _S6_un._S6_u8
+#define s6_addr16 _S6_un._S6_u16
+#define s6_addr32 _S6_un._S6_u32
+/*@}*/
+
+#define IN6ADDR_ANY_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}
+#define IN6ADDR_LOOPBACK_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}
+
+LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_any;
+LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_loopback;
+
+/*% used in getaddrinfo.c and getnameinfo.c */
+struct sockaddr_in6 {
+#ifdef LWRES_PLATFORM_HAVESALEN
+ lwres_uint8_t sin6_len;
+ lwres_uint8_t sin6_family;
+#else
+ lwres_uint16_t sin6_family;
+#endif
+ lwres_uint16_t sin6_port;
+ lwres_uint32_t sin6_flowinfo;
+ struct in6_addr sin6_addr;
+ lwres_uint32_t sin6_scope_id;
+};
+
+#ifdef LWRES_PLATFORM_HAVESALEN
+#define SIN6_LEN 1
+#endif
+
+/*% in6_pktinfo structure */
+struct in6_pktinfo {
+ struct in6_addr ipi6_addr; /*%< src/dst IPv6 address */
+ unsigned int ipi6_ifindex; /*%< send/recv interface index */
+};
+
+/*!
+ * Unspecified IPv6 address
+ */
+#define IN6_IS_ADDR_UNSPECIFIED(a) \
+ (((a)->s6_addr32[0] == 0) && \
+ ((a)->s6_addr32[1] == 0) && \
+ ((a)->s6_addr32[2] == 0) && \
+ ((a)->s6_addr32[3] == 0))
+
+/*
+ * Loopback
+ */
+#define IN6_IS_ADDR_LOOPBACK(a) \
+ (((a)->s6_addr32[0] == 0) && \
+ ((a)->s6_addr32[1] == 0) && \
+ ((a)->s6_addr32[2] == 0) && \
+ ((a)->s6_addr32[3] == htonl(1)))
+
+/*
+ * IPv4 compatible
+ */
+#define IN6_IS_ADDR_V4COMPAT(a) \
+ (((a)->s6_addr32[0] == 0) && \
+ ((a)->s6_addr32[1] == 0) && \
+ ((a)->s6_addr32[2] == 0) && \
+ ((a)->s6_addr32[3] != 0) && \
+ ((a)->s6_addr32[3] != htonl(1)))
+
+/*
+ * Mapped
+ */
+#define IN6_IS_ADDR_V4MAPPED(a) \
+ (((a)->s6_addr32[0] == 0) && \
+ ((a)->s6_addr32[1] == 0) && \
+ ((a)->s6_addr32[2] == htonl(0x0000ffff)))
+
+#endif /* LWRES_IPV6_H */
diff --git a/lib/lwres/include/lwres/lang.h b/lib/lwres/include/lwres/lang.h
new file mode 100644
index 000000000000..a38f19dcf8f5
--- /dev/null
+++ b/lib/lwres/include/lwres/lang.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: lang.h,v 1.7.18.2 2005/04/29 00:17:21 marka Exp $ */
+
+#ifndef LWRES_LANG_H
+#define LWRES_LANG_H 1
+
+/*! \file */
+
+#ifdef __cplusplus
+#define LWRES_LANG_BEGINDECLS extern "C" {
+#define LWRES_LANG_ENDDECLS }
+#else
+#define LWRES_LANG_BEGINDECLS
+#define LWRES_LANG_ENDDECLS
+#endif
+
+#endif /* LWRES_LANG_H */
diff --git a/lib/lwres/include/lwres/list.h b/lib/lwres/include/lwres/list.h
new file mode 100644
index 000000000000..c22c59680bb3
--- /dev/null
+++ b/lib/lwres/include/lwres/list.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1997-2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: list.h,v 1.8.18.2 2005/04/29 00:17:22 marka Exp $ */
+
+#ifndef LWRES_LIST_H
+#define LWRES_LIST_H 1
+
+/*! \file */
+
+#define LWRES_LIST(type) struct { type *head, *tail; }
+#define LWRES_LIST_INIT(list) \
+ do { (list).head = NULL; (list).tail = NULL; } while (0)
+
+#define LWRES_LINK(type) struct { type *prev, *next; }
+#define LWRES_LINK_INIT(elt, link) \
+ do { \
+ (elt)->link.prev = (void *)(-1); \
+ (elt)->link.next = (void *)(-1); \
+ } while (0)
+#define LWRES_LINK_LINKED(elt, link) \
+ ((void *)((elt)->link.prev) != (void *)(-1))
+
+#define LWRES_LIST_HEAD(list) ((list).head)
+#define LWRES_LIST_TAIL(list) ((list).tail)
+#define LWRES_LIST_EMPTY(list) LWRES_TF((list).head == NULL)
+
+#define LWRES_LIST_PREPEND(list, elt, link) \
+ do { \
+ if ((list).head != NULL) \
+ (list).head->link.prev = (elt); \
+ else \
+ (list).tail = (elt); \
+ (elt)->link.prev = NULL; \
+ (elt)->link.next = (list).head; \
+ (list).head = (elt); \
+ } while (0)
+
+#define LWRES_LIST_APPEND(list, elt, link) \
+ do { \
+ if ((list).tail != NULL) \
+ (list).tail->link.next = (elt); \
+ else \
+ (list).head = (elt); \
+ (elt)->link.prev = (list).tail; \
+ (elt)->link.next = NULL; \
+ (list).tail = (elt); \
+ } while (0)
+
+#define LWRES_LIST_UNLINK(list, elt, link) \
+ do { \
+ if ((elt)->link.next != NULL) \
+ (elt)->link.next->link.prev = (elt)->link.prev; \
+ else \
+ (list).tail = (elt)->link.prev; \
+ if ((elt)->link.prev != NULL) \
+ (elt)->link.prev->link.next = (elt)->link.next; \
+ else \
+ (list).head = (elt)->link.next; \
+ (elt)->link.prev = (void *)(-1); \
+ (elt)->link.next = (void *)(-1); \
+ } while (0)
+
+#define LWRES_LIST_PREV(elt, link) ((elt)->link.prev)
+#define LWRES_LIST_NEXT(elt, link) ((elt)->link.next)
+
+#define LWRES_LIST_INSERTBEFORE(list, before, elt, link) \
+ do { \
+ if ((before)->link.prev == NULL) \
+ LWRES_LIST_PREPEND(list, elt, link); \
+ else { \
+ (elt)->link.prev = (before)->link.prev; \
+ (before)->link.prev = (elt); \
+ (elt)->link.prev->link.next = (elt); \
+ (elt)->link.next = (before); \
+ } \
+ } while (0)
+
+#define LWRES_LIST_INSERTAFTER(list, after, elt, link) \
+ do { \
+ if ((after)->link.next == NULL) \
+ LWRES_LIST_APPEND(list, elt, link); \
+ else { \
+ (elt)->link.next = (after)->link.next; \
+ (after)->link.next = (elt); \
+ (elt)->link.next->link.prev = (elt); \
+ (elt)->link.prev = (after); \
+ } \
+ } while (0)
+
+#define LWRES_LIST_APPENDLIST(list1, list2, link) \
+ do { \
+ if (LWRES_LIST_EMPTY(list1)) \
+ (list1) = (list2); \
+ else if (!LWRES_LIST_EMPTY(list2)) { \
+ (list1).tail->link.next = (list2).head; \
+ (list2).head->link.prev = (list1).tail; \
+ (list1).tail = (list2).tail; \
+ } \
+ (list2).head = NULL; \
+ (list2).tail = NULL; \
+ } while (0)
+
+#define LWRES_LIST_ENQUEUE(list, elt, link) LWRES_LIST_APPEND(list, elt, link)
+#define LWRES_LIST_DEQUEUE(list, elt, link) LWRES_LIST_UNLINK(list, elt, link)
+
+#endif /* LWRES_LIST_H */
diff --git a/lib/lwres/include/lwres/lwbuffer.h b/lib/lwres/include/lwres/lwbuffer.h
new file mode 100644
index 000000000000..51b1aadd6e84
--- /dev/null
+++ b/lib/lwres/include/lwres/lwbuffer.h
@@ -0,0 +1,406 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: lwbuffer.h,v 1.16.18.2 2005/04/29 00:17:22 marka Exp $ */
+
+
+/*! \file lwbuffer.h
+ *
+ * A buffer is a region of memory, together with a set of related subregions.
+ * Buffers are used for parsing and I/O operations.
+ *
+ * The 'used region' and the 'available' region are disjoint, and their
+ * union is the buffer's region. The used region extends from the beginning
+ * of the buffer region to the last used byte. The available region
+ * extends from one byte greater than the last used byte to the end of the
+ * buffer's region. The size of the used region can be changed using various
+ * buffer commands. Initially, the used region is empty.
+ *
+ * The used region is further subdivided into two disjoint regions: the
+ * 'consumed region' and the 'remaining region'. The union of these two
+ * regions is the used region. The consumed region extends from the beginning
+ * of the used region to the byte before the 'current' offset (if any). The
+ * 'remaining' region the current pointer to the end of the used
+ * region. The size of the consumed region can be changed using various
+ * buffer commands. Initially, the consumed region is empty.
+ *
+ * The 'active region' is an (optional) subregion of the remaining region.
+ * It extends from the current offset to an offset in the remaining region
+ * that is selected with lwres_buffer_setactive(). Initially, the active
+ * region is empty. If the current offset advances beyond the chosen offset,
+ * the active region will also be empty.
+ *
+ * \verbatim
+ * /----- used region -----\/-- available --\
+ * +----------------------------------------+
+ * | consumed | remaining | |
+ * +----------------------------------------+
+ * a b c d e
+ *
+ * a == base of buffer.
+ * b == current pointer. Can be anywhere between a and d.
+ * c == active pointer. Meaningful between b and d.
+ * d == used pointer.
+ * e == length of buffer.
+ *
+ * a-e == entire (length) of buffer.
+ * a-d == used region.
+ * a-b == consumed region.
+ * b-d == remaining region.
+ * b-c == optional active region.
+ * \endverbatim
+ *
+ * The following invariants are maintained by all routines:
+ *
+ *\verbatim
+ * length > 0
+ *
+ * base is a valid pointer to length bytes of memory
+ *
+ * 0 <= used <= length
+ *
+ * 0 <= current <= used
+ *
+ * 0 <= active <= used
+ * (although active < current implies empty active region)
+ *\endverbatim
+ *
+ * \li MP:
+ * Buffers have no synchronization. Clients must ensure exclusive
+ * access.
+ *
+ * \li Reliability:
+ * No anticipated impact.
+ *
+ * \li Resources:
+ * Memory: 1 pointer + 6 unsigned integers per buffer.
+ *
+ * \li Security:
+ * No anticipated impact.
+ *
+ * \li Standards:
+ * None.
+ */
+
+#ifndef LWRES_LWBUFFER_H
+#define LWRES_LWBUFFER_H 1
+
+/***
+ *** Imports
+ ***/
+
+#include <lwres/lang.h>
+#include <lwres/int.h>
+
+LWRES_LANG_BEGINDECLS
+
+/***
+ *** Magic numbers
+ ***/
+#define LWRES_BUFFER_MAGIC 0x4275663fU /* Buf?. */
+
+#define LWRES_BUFFER_VALID(b) ((b) != NULL && \
+ (b)->magic == LWRES_BUFFER_MAGIC)
+
+/*!
+ * The following macros MUST be used only on valid buffers. It is the
+ * caller's responsibility to ensure this by using the LWRES_BUFFER_VALID
+ * check above, or by calling another lwres_buffer_*() function (rather than
+ * another macro.)
+ */
+
+/*!
+ * Get the length of the used region of buffer "b"
+ */
+#define LWRES_BUFFER_USEDCOUNT(b) ((b)->used)
+
+/*!
+ * Get the length of the available region of buffer "b"
+ */
+#define LWRES_BUFFER_AVAILABLECOUNT(b) ((b)->length - (b)->used)
+
+#define LWRES_BUFFER_REMAINING(b) ((b)->used - (b)->current)
+
+/*!
+ * Note that the buffer structure is public. This is principally so buffer
+ * operations can be implemented using macros. Applications are strongly
+ * discouraged from directly manipulating the structure.
+ */
+
+typedef struct lwres_buffer lwres_buffer_t;
+/*!
+ * Buffer data structure
+ */
+struct lwres_buffer {
+ unsigned int magic;
+ unsigned char *base;
+ /* The following integers are byte offsets from 'base'. */
+ unsigned int length;
+ unsigned int used;
+ unsigned int current;
+ unsigned int active;
+};
+
+/***
+ *** Functions
+ ***/
+
+void
+lwres_buffer_init(lwres_buffer_t *b, void *base, unsigned int length);
+/**<
+ * Make 'b' refer to the 'length'-byte region starting at base.
+ *
+ * Requires:
+ *
+ * 'length' > 0
+ *
+ * 'base' is a pointer to a sequence of 'length' bytes.
+ *
+ */
+
+void
+lwres_buffer_invalidate(lwres_buffer_t *b);
+/**<
+ * Make 'b' an invalid buffer.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * Ensures:
+ * If assertion checking is enabled, future attempts to use 'b' without
+ * calling lwres_buffer_init() on it will cause an assertion failure.
+ */
+
+void
+lwres_buffer_add(lwres_buffer_t *b, unsigned int n);
+/**<
+ * Increase the 'used' region of 'b' by 'n' bytes.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * used + n <= length
+ *
+ */
+
+void
+lwres_buffer_subtract(lwres_buffer_t *b, unsigned int n);
+/**<
+ * Decrease the 'used' region of 'b' by 'n' bytes.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * used >= n
+ *
+ */
+
+void
+lwres_buffer_clear(lwres_buffer_t *b);
+/**<
+ * Make the used region empty.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * Ensures:
+ *
+ * used = 0
+ *
+ */
+
+
+void
+lwres_buffer_first(lwres_buffer_t *b);
+/**<
+ * Make the consumed region empty.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * Ensures:
+ *
+ * current == 0
+ *
+ */
+
+void
+lwres_buffer_forward(lwres_buffer_t *b, unsigned int n);
+/**<
+ * Increase the 'consumed' region of 'b' by 'n' bytes.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * current + n <= used
+ *
+ */
+
+void
+lwres_buffer_back(lwres_buffer_t *b, unsigned int n);
+/**<
+ * Decrease the 'consumed' region of 'b' by 'n' bytes.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer
+ *
+ * n <= current
+ *
+ */
+
+lwres_uint8_t
+lwres_buffer_getuint8(lwres_buffer_t *b);
+/**<
+ * Read an unsigned 8-bit integer from 'b' and return it.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer.
+ *
+ * The length of the available region of 'b' is at least 1.
+ *
+ * Ensures:
+ *
+ * The current pointer in 'b' is advanced by 1.
+ *
+ * Returns:
+ *
+ * A 8-bit unsigned integer.
+ */
+
+void
+lwres_buffer_putuint8(lwres_buffer_t *b, lwres_uint8_t val);
+/**<
+ * Store an unsigned 8-bit integer from 'val' into 'b'.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * The length of the unused region of 'b' is at least 1.
+ *
+ * Ensures:
+ * The used pointer in 'b' is advanced by 1.
+ */
+
+lwres_uint16_t
+lwres_buffer_getuint16(lwres_buffer_t *b);
+/**<
+ * Read an unsigned 16-bit integer in network byte order from 'b', convert
+ * it to host byte order, and return it.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer.
+ *
+ * The length of the available region of 'b' is at least 2.
+ *
+ * Ensures:
+ *
+ * The current pointer in 'b' is advanced by 2.
+ *
+ * Returns:
+ *
+ * A 16-bit unsigned integer.
+ */
+
+void
+lwres_buffer_putuint16(lwres_buffer_t *b, lwres_uint16_t val);
+/**<
+ * Store an unsigned 16-bit integer in host byte order from 'val'
+ * into 'b' in network byte order.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * The length of the unused region of 'b' is at least 2.
+ *
+ * Ensures:
+ * The used pointer in 'b' is advanced by 2.
+ */
+
+lwres_uint32_t
+lwres_buffer_getuint32(lwres_buffer_t *b);
+/**<
+ * Read an unsigned 32-bit integer in network byte order from 'b', convert
+ * it to host byte order, and return it.
+ *
+ * Requires:
+ *
+ * 'b' is a valid buffer.
+ *
+ * The length of the available region of 'b' is at least 2.
+ *
+ * Ensures:
+ *
+ * The current pointer in 'b' is advanced by 2.
+ *
+ * Returns:
+ *
+ * A 32-bit unsigned integer.
+ */
+
+void
+lwres_buffer_putuint32(lwres_buffer_t *b, lwres_uint32_t val);
+/**<
+ * Store an unsigned 32-bit integer in host byte order from 'val'
+ * into 'b' in network byte order.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * The length of the unused region of 'b' is at least 4.
+ *
+ * Ensures:
+ * The used pointer in 'b' is advanced by 4.
+ */
+
+void
+lwres_buffer_putmem(lwres_buffer_t *b, const unsigned char *base,
+ unsigned int length);
+/**<
+ * Copy 'length' bytes of memory at 'base' into 'b'.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * 'base' points to 'length' bytes of valid memory.
+ *
+ */
+
+void
+lwres_buffer_getmem(lwres_buffer_t *b, unsigned char *base,
+ unsigned int length);
+/**<
+ * Copy 'length' bytes of memory from 'b' into 'base'.
+ *
+ * Requires:
+ * 'b' is a valid buffer.
+ *
+ * 'base' points to at least 'length' bytes of valid memory.
+ *
+ * 'b' have at least 'length' bytes remaining.
+ */
+
+LWRES_LANG_ENDDECLS
+
+#endif /* LWRES_LWBUFFER_H */
diff --git a/lib/lwres/include/lwres/lwpacket.h b/lib/lwres/include/lwres/lwpacket.h
new file mode 100644
index 000000000000..c37353d95f04
--- /dev/null
+++ b/lib/lwres/include/lwres/lwpacket.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: lwpacket.h,v 1.18.18.2 2005/04/29 00:17:22 marka Exp $ */
+
+#ifndef LWRES_LWPACKET_H
+#define LWRES_LWPACKET_H 1
+
+#include <lwres/lang.h>
+#include <lwres/lwbuffer.h>
+#include <lwres/result.h>
+
+/*% lwres_lwpacket_t */
+typedef struct lwres_lwpacket lwres_lwpacket_t;
+
+/*% lwres_lwpacket structure */
+struct lwres_lwpacket {
+ /*! The overall packet length, including the
+ * entire packet header.
+ * This field is filled in by the
+ * \link lwres_gabn.c lwres_gabn_*()\endlink
+ * and \link lwres_gnba.c lwres_gnba_*()\endlink calls.
+ */
+ lwres_uint32_t length;
+ /*! Specifies the header format. Currently,
+ * there is only one format, #LWRES_LWPACKETVERSION_0.
+ * This field is filled in by the
+ * \link lwres_gabn.c lwres_gabn_*()\endlink
+ * and \link lwres_gnba.c lwres_gnba_*()\endlink calls.
+ */
+ lwres_uint16_t version;
+ /*! Specifies library-defined flags for this packet, such as
+ * whether the packet is a request or a reply. None of
+ * these are definable by the caller, but library-defined values
+ * can be set by the caller. For example, one bit in this field
+ * indicates if the packet is a request or a response.
+ * This field is filled in by
+ * the application wits the exception of the
+ * #LWRES_LWPACKETFLAG_RESPONSE bit, which is set by the library
+ * in the
+ * \link lwres_gabn.c lwres_gabn_*()\endlink
+ * and \link lwres_gnba.c lwres_gnba_*()\endlink calls.
+ */
+ lwres_uint16_t pktflags;
+ /*! Set by the requestor and is returned in all replies.
+ * If two packets from the same source have the same serial
+ * number and are from the same source, they are assumed to
+ * be duplicates and the latter ones may be dropped.
+ * (The library does not do this by default on replies, but
+ * does so on requests.)
+ */
+ lwres_uint32_t serial;
+ /*! Opcodes between 0x04000000 and 0xffffffff
+ * are application defined. Opcodes between
+ * 0x00000000 and 0x03ffffff are
+ * reserved for library use.
+ * This field is filled in by the
+ * \link lwres_gabn.c lwres_gabn_*()\endlink
+ * and \link lwres_gnba.c lwres_gnba_*()\endlink calls.
+ */
+ lwres_uint32_t opcode;
+ /*! Only valid for results.
+ * Results between 0x04000000 and 0xffffffff are application
+ * defined.
+ * Results between 0x00000000 and 0x03ffffff are reserved for
+ * library use.
+ * (This is the same reserved range defined in <isc/resultclass.h>,
+ * so it
+ * would be trivial to map ISC_R_* result codes into packet result
+ * codes when appropriate.)
+ * This field is filled in by the
+ * \link lwres_gabn.c lwres_gabn_*()\endlink
+ * and \link lwres_gnba.c lwres_gnba_*()\endlink calls.
+ */
+ lwres_uint32_t result;
+ /*! Set to the maximum buffer size that the receiver can
+ * handle on requests, and the size of the buffer needed to
+ * satisfy a request
+ * when the buffer is too large for replies.
+ * This field is supplied by the application.
+ */
+ lwres_uint32_t recvlength;
+ /*! The packet level auth type used.
+ * Authtypes between 0x1000 and 0xffff are application defined.
+ * Authtypes
+ * between 0x0000 and 0x0fff are reserved for library use.
+ * This is currently
+ * unused and MUST be set to zero.
+ */
+ lwres_uint16_t authtype;
+ /*! The length of the authentication data.
+ * See the specific
+ * authtypes for more information on what is contained
+ * in this field. This is currently unused, and
+ * MUST be set to zero.
+ */
+ lwres_uint16_t authlength;
+};
+
+#define LWRES_LWPACKET_LENGTH (4 * 5 + 2 * 4) /*%< Overall length. */
+
+#define LWRES_LWPACKETFLAG_RESPONSE 0x0001U /*%< If set, pkt is a response. */
+
+
+#define LWRES_LWPACKETVERSION_0 0 /*%< Header format. */
+
+/*! \file lwpacket.h
+ *
+ *
+ * The remainder of the packet consists of two regions, one described by
+ * "authlen" and one of "length - authlen - sizeof(lwres_lwpacket_t)".
+ *
+ * That is:
+ *
+ * \code
+ * pkt header
+ * authlen bytes of auth information
+ * data bytes
+ * \endcode
+ *
+ * Currently defined opcodes:
+ *
+ *\li #LWRES_OPCODE_NOOP. Success is always returned, with the packet contents echoed.
+ *
+ *\li #LWRES_OPCODE_GETADDRSBYNAME. Return all known addresses for a given name.
+ * This may return NIS or /etc/hosts info as well as DNS
+ * information. Flags will be provided to indicate ip4/ip6
+ * addresses are desired.
+ *
+ *\li #LWRES_OPCODE_GETNAMEBYADDR. Return the hostname for the given address. Once
+ * again, it will return data from multiple sources.
+ */
+
+LWRES_LANG_BEGINDECLS
+
+/* XXXMLG document */
+lwres_result_t
+lwres_lwpacket_renderheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt);
+
+lwres_result_t
+lwres_lwpacket_parseheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt);
+
+LWRES_LANG_ENDDECLS
+
+#endif /* LWRES_LWPACKET_H */
diff --git a/lib/lwres/include/lwres/lwres.h b/lib/lwres/include/lwres/lwres.h
new file mode 100644
index 000000000000..b245363aa700
--- /dev/null
+++ b/lib/lwres/include/lwres/lwres.h
@@ -0,0 +1,579 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: lwres.h,v 1.51.18.2 2005/04/29 00:17:22 marka Exp $ */
+
+#ifndef LWRES_LWRES_H
+#define LWRES_LWRES_H 1
+
+#include <stdio.h>
+
+#include <lwres/context.h>
+#include <lwres/lang.h>
+#include <lwres/list.h>
+#include <lwres/lwpacket.h>
+#include <lwres/platform.h>
+
+/*! \file */
+
+/*!
+ * Design notes:
+ *
+ * Each opcode has two structures and three functions which operate on each
+ * structure. For example, using the "no operation/ping" opcode as an
+ * example:
+ *
+ * <ul><li>lwres_nooprequest_t:
+ *
+ * lwres_nooprequest_render() takes a lwres_nooprequest_t and
+ * and renders it into wire format, storing the allocated
+ * buffer information in a passed-in buffer. When this buffer
+ * is no longer needed, it must be freed by
+ * lwres_context_freemem(). All other memory used by the
+ * caller must be freed manually, including the
+ * lwres_nooprequest_t passed in.<br /><br />
+ *
+ * lwres_nooprequest_parse() takes a wire format message and
+ * breaks it out into a lwres_nooprequest_t. The structure
+ * must be freed via lwres_nooprequest_free() when it is no longer
+ * needed.<br /><br />
+ *
+ * lwres_nooprequest_free() releases into the lwres_context_t
+ * any space allocated during parsing.</li>
+ *
+ * <li>lwres_noopresponse_t:
+ *
+ * The functions used are similar to the three used for
+ * requests, just with different names.</li></ul>
+ *
+ * Typically, the client will use request_render, response_parse, and
+ * response_free, while the daemon will use request_parse, response_render,
+ * and request_free.
+ *
+ * The basic flow of a typical client is:
+ *
+ * \li fill in a request_t, and call the render function.
+ *
+ * \li Transmit the buffer returned to the daemon.
+ *
+ * \li Wait for a response.
+ *
+ * \li When a response is received, parse it into a response_t.
+ *
+ * \li free the request buffer using lwres_context_freemem().
+ *
+ * \li free the response structure and its associated buffer using
+ * response_free().
+ */
+
+#define LWRES_UDP_PORT 921 /*%< UDP Port Number */
+#define LWRES_RECVLENGTH 16384 /*%< Maximum Packet Length */
+#define LWRES_ADDR_MAXLEN 16 /*%< changing this breaks ABI */
+#define LWRES_RESOLV_CONF "/etc/resolv.conf" /*%< Location of resolv.conf */
+
+/*% DNSSEC is not required (input). Only relevant to rrset queries. */
+#define LWRES_FLAG_TRUSTNOTREQUIRED 0x00000001U
+/*% The data was crypto-verified with DNSSEC (output). */
+#define LWRES_FLAG_SECUREDATA 0x00000002U
+
+/*% no-op */
+#define LWRES_OPCODE_NOOP 0x00000000U
+
+/*% lwres_nooprequest_t */
+typedef struct {
+ /* public */
+ lwres_uint16_t datalength;
+ unsigned char *data;
+} lwres_nooprequest_t;
+
+/*% lwres_noopresponse_t */
+typedef struct {
+ /* public */
+ lwres_uint16_t datalength;
+ unsigned char *data;
+} lwres_noopresponse_t;
+
+/*% get addresses by name */
+#define LWRES_OPCODE_GETADDRSBYNAME 0x00010001U
+
+/*% lwres_addr_t */
+typedef struct lwres_addr lwres_addr_t;
+
+/*% LWRES_LIST */
+typedef LWRES_LIST(lwres_addr_t) lwres_addrlist_t;
+
+/*% lwres_addr */
+struct lwres_addr {
+ lwres_uint32_t family;
+ lwres_uint16_t length;
+ unsigned char address[LWRES_ADDR_MAXLEN];
+ LWRES_LINK(lwres_addr_t) link;
+};
+
+/*% lwres_gabnrequest_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_uint32_t addrtypes;
+ lwres_uint16_t namelen;
+ char *name;
+} lwres_gabnrequest_t;
+
+/*% lwres_gabnresponse_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_uint16_t naliases;
+ lwres_uint16_t naddrs;
+ char *realname;
+ char **aliases;
+ lwres_uint16_t realnamelen;
+ lwres_uint16_t *aliaslen;
+ lwres_addrlist_t addrs;
+ /*! if base != NULL, it will be freed when this structure is freed. */
+ void *base;
+ size_t baselen;
+} lwres_gabnresponse_t;
+
+/*% get name by address */
+#define LWRES_OPCODE_GETNAMEBYADDR 0x00010002U
+
+/*% lwres_gnbarequest_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_addr_t addr;
+} lwres_gnbarequest_t;
+
+/*% lwres_gnbaresponse_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_uint16_t naliases;
+ char *realname;
+ char **aliases;
+ lwres_uint16_t realnamelen;
+ lwres_uint16_t *aliaslen;
+ /*! if base != NULL, it will be freed when this structure is freed. */
+ void *base;
+ size_t baselen;
+} lwres_gnbaresponse_t;
+
+/*% get rdata by name */
+#define LWRES_OPCODE_GETRDATABYNAME 0x00010003U
+
+/*% lwres_grbnrequest_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_uint16_t rdclass;
+ lwres_uint16_t rdtype;
+ lwres_uint16_t namelen;
+ char *name;
+} lwres_grbnrequest_t;
+
+/*% lwres_grbnresponse_t */
+typedef struct {
+ /* public */
+ lwres_uint32_t flags;
+ lwres_uint16_t rdclass;
+ lwres_uint16_t rdtype;
+ lwres_uint32_t ttl;
+ lwres_uint16_t nrdatas;
+ lwres_uint16_t nsigs;
+ char *realname;
+ lwres_uint16_t realnamelen;
+ unsigned char **rdatas;
+ lwres_uint16_t *rdatalen;
+ unsigned char **sigs;
+ lwres_uint16_t *siglen;
+ /*% if base != NULL, it will be freed when this structure is freed. */
+ void *base;
+ size_t baselen;
+} lwres_grbnresponse_t;
+
+/*% Used by lwres_getrrsetbyname() */
+#define LWRDATA_VALIDATED 0x00000001
+
+/*!
+ * resolv.conf data
+ */
+
+#define LWRES_CONFMAXNAMESERVERS 3 /*%< max 3 "nameserver" entries */
+#define LWRES_CONFMAXLWSERVERS 1 /*%< max 1 "lwserver" entry */
+#define LWRES_CONFMAXSEARCH 8 /*%< max 8 domains in "search" entry */
+#define LWRES_CONFMAXLINELEN 256 /*%< max size of a line */
+#define LWRES_CONFMAXSORTLIST 10 /*%< max 10 */
+
+/*% lwres_conf_t */
+typedef struct {
+ lwres_context_t *lwctx;
+ lwres_addr_t nameservers[LWRES_CONFMAXNAMESERVERS];
+ lwres_uint8_t nsnext; /*%< index for next free slot */
+
+ lwres_addr_t lwservers[LWRES_CONFMAXLWSERVERS];
+ lwres_uint8_t lwnext; /*%< index for next free slot */
+
+ char *domainname;
+
+ char *search[LWRES_CONFMAXSEARCH];
+ lwres_uint8_t searchnxt; /*%< index for next free slot */
+
+ struct {
+ lwres_addr_t addr;
+ /*% mask has a non-zero 'family' and 'length' if set */
+ lwres_addr_t mask;
+ } sortlist[LWRES_CONFMAXSORTLIST];
+ lwres_uint8_t sortlistnxt;
+
+ lwres_uint8_t resdebug; /*%< non-zero if 'options debug' set */
+ lwres_uint8_t ndots; /*%< set to n in 'options ndots:n' */
+ lwres_uint8_t no_tld_query; /*%< non-zero if 'options no_tld_query' */
+} lwres_conf_t;
+
+#define LWRES_ADDRTYPE_V4 0x00000001U /*%< ipv4 */
+#define LWRES_ADDRTYPE_V6 0x00000002U /*%< ipv6 */
+
+#define LWRES_MAX_ALIASES 16 /*%< max # of aliases */
+#define LWRES_MAX_ADDRS 64 /*%< max # of addrs */
+
+LWRES_LANG_BEGINDECLS
+
+/*% This is in host byte order. */
+LIBLWRES_EXTERNAL_DATA extern lwres_uint16_t lwres_udp_port;
+
+LIBLWRES_EXTERNAL_DATA extern const char *lwres_resolv_conf;
+
+lwres_result_t
+lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp);
+
+lwres_result_t
+lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt,
+ lwres_gabnresponse_t **structp);
+
+void
+lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+void
+lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+
+lwres_result_t
+lwres_gnbarequest_render(lwres_context_t *ctx, lwres_gnbarequest_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_gnbaresponse_render(lwres_context_t *ctx, lwres_gnbaresponse_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_gnbarequest_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt, lwres_gnbarequest_t **structp);
+
+lwres_result_t
+lwres_gnbaresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt,
+ lwres_gnbaresponse_t **structp);
+
+void
+lwres_gnbarequest_free(lwres_context_t *ctx, lwres_gnbarequest_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+void
+lwres_gnbaresponse_free(lwres_context_t *ctx, lwres_gnbaresponse_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+lwres_result_t
+lwres_grbnrequest_render(lwres_context_t *ctx, lwres_grbnrequest_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_grbnresponse_render(lwres_context_t *ctx, lwres_grbnresponse_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_grbnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt, lwres_grbnrequest_t **structp);
+
+lwres_result_t
+lwres_grbnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt,
+ lwres_grbnresponse_t **structp);
+
+void
+lwres_grbnrequest_free(lwres_context_t *ctx, lwres_grbnrequest_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+void
+lwres_grbnresponse_free(lwres_context_t *ctx, lwres_grbnresponse_t **structp);
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+lwres_result_t
+lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+/**<
+ * Allocate space and render into wire format a noop request packet.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * b != NULL, and points to a lwres_buffer_t. The contents of the
+ * buffer structure will be initialized to contain the wire-format
+ * noop request packet.
+ *
+ * Caller needs to fill in parts of "pkt" before calling:
+ * serial, maxrecv, result.
+ *
+ * Returns:
+ *
+ * Returns 0 on success, non-zero on failure.
+ *
+ * On successful return, *b will contain data about the wire-format
+ * packet. It can be transmitted in any way, including lwres_sendblock().
+ */
+
+lwres_result_t
+lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req,
+ lwres_lwpacket_t *pkt, lwres_buffer_t *b);
+
+lwres_result_t
+lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp);
+/**<
+ * Parse a noop request. Note that to get here, the lwpacket must have
+ * already been parsed and removed by the caller, otherwise it would be
+ * pretty hard for it to know this is the right function to call.
+ *
+ * The function verifies bits of the header, but does not modify it.
+ */
+
+lwres_result_t
+lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
+ lwres_lwpacket_t *pkt,
+ lwres_noopresponse_t **structp);
+
+void
+lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp);
+
+void
+lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp);
+
+/**<
+ * Frees any dynamically allocated memory for this structure.
+ *
+ * Requires:
+ *
+ * ctx != NULL, and be a context returned via lwres_context_create().
+ *
+ * structp != NULL && *structp != NULL.
+ *
+ * Ensures:
+ *
+ * *structp == NULL.
+ *
+ * All memory allocated by this structure will be returned to the
+ * system via the context's free function.
+ */
+
+lwres_result_t
+lwres_conf_parse(lwres_context_t *ctx, const char *filename);
+/**<
+ * parses a resolv.conf-format file and stores the results in the structure
+ * pointed to by *ctx.
+ *
+ * Requires:
+ * ctx != NULL
+ * filename != NULL && strlen(filename) > 0
+ *
+ * Returns:
+ * LWRES_R_SUCCESS on a successful parse.
+ * Anything else on error, although the structure may be partially filled
+ * in.
+ */
+
+lwres_result_t
+lwres_conf_print(lwres_context_t *ctx, FILE *fp);
+/**<
+ * Prints a resolv.conf-format of confdata output to fp.
+ *
+ * Requires:
+ * ctx != NULL
+ */
+
+void
+lwres_conf_init(lwres_context_t *ctx);
+/**<
+ * sets all internal fields to a default state. Used to initialize a new
+ * lwres_conf_t structure (not reset a used on).
+ *
+ * Requires:
+ * ctx != NULL
+ */
+
+void
+lwres_conf_clear(lwres_context_t *ctx);
+/**<
+ * frees all internally allocated memory in confdata. Uses the memory
+ * routines supplied by ctx.
+ *
+ * Requires:
+ * ctx != NULL
+ */
+
+lwres_conf_t *
+lwres_conf_get(lwres_context_t *ctx);
+/**<
+ * Be extremely cautions in modifying the contents of this structure; it
+ * needs an API to return the various bits of data, walk lists, etc.
+ *
+ * Requires:
+ * ctx != NULL
+ */
+
+/*
+ * Helper functions
+ */
+
+lwres_result_t
+lwres_data_parse(lwres_buffer_t *b, unsigned char **p, lwres_uint16_t *len);
+
+lwres_result_t
+lwres_string_parse(lwres_buffer_t *b, char **c, lwres_uint16_t *len);
+
+lwres_result_t
+lwres_addr_parse(lwres_buffer_t *b, lwres_addr_t *addr);
+
+lwres_result_t
+lwres_getaddrsbyname(lwres_context_t *ctx, const char *name,
+ lwres_uint32_t addrtypes, lwres_gabnresponse_t **structp);
+
+lwres_result_t
+lwres_getnamebyaddr(lwres_context_t *ctx, lwres_uint32_t addrtype,
+ lwres_uint16_t addrlen, const unsigned char *addr,
+ lwres_gnbaresponse_t **structp);
+
+lwres_result_t
+lwres_getrdatabyname(lwres_context_t *ctx, const char *name,
+ lwres_uint16_t rdclass, lwres_uint16_t rdtype,
+ lwres_uint32_t flags, lwres_grbnresponse_t **structp);
+
+LWRES_LANG_ENDDECLS
+
+#endif /* LWRES_LWRES_H */
diff --git a/lib/lwres/include/lwres/netdb.h.in b/lib/lwres/include/lwres/netdb.h.in
new file mode 100644
index 000000000000..eaef63b9066d
--- /dev/null
+++ b/lib/lwres/include/lwres/netdb.h.in
@@ -0,0 +1,520 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: netdb.h.in,v 1.35.18.2 2005/04/29 00:17:22 marka Exp $ */
+
+/*! \file */
+
+#ifndef LWRES_NETDB_H
+#define LWRES_NETDB_H 1
+
+#include <stddef.h> /* Required on FreeBSD (and others?) for size_t. */
+#include <netdb.h> /* Contractual provision. */
+
+#include <lwres/lang.h>
+
+/*
+ * Define if <netdb.h> does not declare struct addrinfo.
+ */
+@ISC_LWRES_NEEDADDRINFO@
+
+#ifdef ISC_LWRES_NEEDADDRINFO
+struct addrinfo {
+ int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
+ int ai_family; /* PF_xxx */
+ int ai_socktype; /* SOCK_xxx */
+ int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
+ size_t ai_addrlen; /* Length of ai_addr */
+ char *ai_canonname; /* Canonical name for hostname */
+ struct sockaddr *ai_addr; /* Binary address */
+ struct addrinfo *ai_next; /* Next structure in linked list */
+};
+#endif
+
+/*
+ * Undefine all #defines we are interested in as <netdb.h> may or may not have
+ * defined them.
+ */
+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ * (left in extern int h_errno).
+ */
+
+#undef NETDB_INTERNAL
+#undef NETDB_SUCCESS
+#undef HOST_NOT_FOUND
+#undef TRY_AGAIN
+#undef NO_RECOVERY
+#undef NO_DATA
+#undef NO_ADDRESS
+
+#define NETDB_INTERNAL -1 /* see errno */
+#define NETDB_SUCCESS 0 /* no problem */
+#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
+#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
+#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+#define NO_DATA 4 /* Valid name, no data record of requested type */
+#define NO_ADDRESS NO_DATA /* no address, look for MX record */
+
+/*
+ * Error return codes from getaddrinfo()
+ */
+
+#undef EAI_ADDRFAMILY
+#undef EAI_AGAIN
+#undef EAI_BADFLAGS
+#undef EAI_FAIL
+#undef EAI_FAMILY
+#undef EAI_MEMORY
+#undef EAI_NODATA
+#undef EAI_NONAME
+#undef EAI_SERVICE
+#undef EAI_SOCKTYPE
+#undef EAI_SYSTEM
+#undef EAI_BADHINTS
+#undef EAI_PROTOCOL
+#undef EAI_MAX
+
+#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
+#define EAI_AGAIN 2 /* temporary failure in name resolution */
+#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
+#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
+#define EAI_FAMILY 5 /* ai_family not supported */
+#define EAI_MEMORY 6 /* memory allocation failure */
+#define EAI_NODATA 7 /* no address associated with hostname */
+#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
+#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
+#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
+#define EAI_SYSTEM 11 /* system error returned in errno */
+#define EAI_BADHINTS 12
+#define EAI_PROTOCOL 13
+#define EAI_MAX 14
+
+/*
+ * Flag values for getaddrinfo()
+ */
+#undef AI_PASSIVE
+#undef AI_CANONNAME
+#undef AI_NUMERICHOST
+
+#define AI_PASSIVE 0x00000001
+#define AI_CANONNAME 0x00000002
+#define AI_NUMERICHOST 0x00000004
+
+/*
+ * Flag values for getipnodebyname()
+ */
+#undef AI_V4MAPPED
+#undef AI_ALL
+#undef AI_ADDRCONFIG
+#undef AI_DEFAULT
+
+#define AI_V4MAPPED 0x00000008
+#define AI_ALL 0x00000010
+#define AI_ADDRCONFIG 0x00000020
+#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
+
+/*
+ * Constants for lwres_getnameinfo()
+ */
+#undef NI_MAXHOST
+#undef NI_MAXSERV
+
+#define NI_MAXHOST 1025
+#define NI_MAXSERV 32
+
+/*
+ * Flag values for lwres_getnameinfo()
+ */
+#undef NI_NOFQDN
+#undef NI_NUMERICHOST
+#undef NI_NAMEREQD
+#undef NI_NUMERICSERV
+#undef NI_DGRAM
+#undef NI_NUMERICSCOPE
+
+#define NI_NOFQDN 0x00000001
+#define NI_NUMERICHOST 0x00000002
+#define NI_NAMEREQD 0x00000004
+#define NI_NUMERICSERV 0x00000008
+#define NI_DGRAM 0x00000010
+#define NI_NUMERICSCOPE 0x00000020 /*2553bis-00*/
+
+/*
+ * Define if <netdb.h> does not declare struct rrsetinfo.
+ */
+@ISC_LWRES_NEEDRRSETINFO@
+
+#ifdef ISC_LWRES_NEEDRRSETINFO
+/*
+ * Structures for getrrsetbyname()
+ */
+struct rdatainfo {
+ unsigned int rdi_length;
+ unsigned char *rdi_data;
+};
+
+struct rrsetinfo {
+ unsigned int rri_flags;
+ int rri_rdclass;
+ int rri_rdtype;
+ unsigned int rri_ttl;
+ unsigned int rri_nrdatas;
+ unsigned int rri_nsigs;
+ char *rri_name;
+ struct rdatainfo *rri_rdatas;
+ struct rdatainfo *rri_sigs;
+};
+
+/*
+ * Flags for getrrsetbyname()
+ */
+#define RRSET_VALIDATED 0x00000001
+ /* Set was dnssec validated */
+
+/*
+ * Return codes for getrrsetbyname()
+ */
+#define ERRSET_SUCCESS 0
+#define ERRSET_NOMEMORY 1
+#define ERRSET_FAIL 2
+#define ERRSET_INVAL 3
+#define ERRSET_NONAME 4
+#define ERRSET_NODATA 5
+#endif
+
+/*
+ * Define to map into lwres_ namespace.
+ */
+
+#define LWRES_NAMESPACE
+
+#ifdef LWRES_NAMESPACE
+
+/*
+ * Use our versions not the ones from the C library.
+ */
+
+#ifdef getnameinfo
+#undef getnameinfo
+#endif
+#define getnameinfo lwres_getnameinfo
+
+#ifdef getaddrinfo
+#undef getaddrinfo
+#endif
+#define getaddrinfo lwres_getaddrinfo
+
+#ifdef freeaddrinfo
+#undef freeaddrinfo
+#endif
+#define freeaddrinfo lwres_freeaddrinfo
+
+#ifdef gai_strerror
+#undef gai_strerror
+#endif
+#define gai_strerror lwres_gai_strerror
+
+#ifdef herror
+#undef herror
+#endif
+#define herror lwres_herror
+
+#ifdef hstrerror
+#undef hstrerror
+#endif
+#define hstrerror lwres_hstrerror
+
+#ifdef getipnodebyname
+#undef getipnodebyname
+#endif
+#define getipnodebyname lwres_getipnodebyname
+
+#ifdef getipnodebyaddr
+#undef getipnodebyaddr
+#endif
+#define getipnodebyaddr lwres_getipnodebyaddr
+
+#ifdef freehostent
+#undef freehostent
+#endif
+#define freehostent lwres_freehostent
+
+#ifdef gethostbyname
+#undef gethostbyname
+#endif
+#define gethostbyname lwres_gethostbyname
+
+#ifdef gethostbyname2
+#undef gethostbyname2
+#endif
+#define gethostbyname2 lwres_gethostbyname2
+
+#ifdef gethostbyaddr
+#undef gethostbyaddr
+#endif
+#define gethostbyaddr lwres_gethostbyaddr
+
+#ifdef gethostent
+#undef gethostent
+#endif
+#define gethostent lwres_gethostent
+
+#ifdef sethostent
+#undef sethostent
+#endif
+#define sethostent lwres_sethostent
+
+#ifdef endhostent
+#undef endhostent
+#endif
+#define endhostent lwres_endhostent
+
+/* #define sethostfile lwres_sethostfile */
+
+#ifdef gethostbyname_r
+#undef gethostbyname_r
+#endif
+#define gethostbyname_r lwres_gethostbyname_r
+
+#ifdef gethostbyaddr_r
+#undef gethostbyaddr_r
+#endif
+#define gethostbyaddr_r lwres_gethostbyaddr_r
+
+#ifdef gethostent_r
+#undef gethostent_r
+#endif
+#define gethostent_r lwres_gethostent_r
+
+#ifdef sethostent_r
+#undef sethostent_r
+#endif
+#define sethostent_r lwres_sethostent_r
+
+#ifdef endhostent_r
+#undef endhostent_r
+#endif
+#define endhostent_r lwres_endhostent_r
+
+#ifdef getrrsetbyname
+#undef getrrsetbyname
+#endif
+#define getrrsetbyname lwres_getrrsetbyname
+
+#ifdef freerrset
+#undef freerrset
+#endif
+#define freerrset lwres_freerrset
+
+#ifdef notyet
+#define getservbyname lwres_getservbyname
+#define getservbyport lwres_getservbyport
+#define getservent lwres_getservent
+#define setservent lwres_setservent
+#define endservent lwres_endservent
+
+#define getservbyname_r lwres_getservbyname_r
+#define getservbyport_r lwres_getservbyport_r
+#define getservent_r lwres_getservent_r
+#define setservent_r lwres_setservent_r
+#define endservent_r lwres_endservent_r
+
+#define getprotobyname lwres_getprotobyname
+#define getprotobynumber lwres_getprotobynumber
+#define getprotoent lwres_getprotoent
+#define setprotoent lwres_setprotoent
+#define endprotoent lwres_endprotoent
+
+#define getprotobyname_r lwres_getprotobyname_r
+#define getprotobynumber_r lwres_getprotobynumber_r
+#define getprotoent_r lwres_getprotoent_r
+#define setprotoent_r lwres_setprotoent_r
+#define endprotoent_r lwres_endprotoent_r
+
+#ifdef getnetbyname
+#undef getnetbyname
+#endif
+#define getnetbyname lwres_getnetbyname
+
+#ifdef getnetbyaddr
+#undef getnetbyaddr
+#endif
+#define getnetbyaddr lwres_getnetbyaddr
+
+#ifdef getnetent
+#undef getnetent
+#endif
+#define getnetent lwres_getnetent
+
+#ifdef setnetent
+#undef setnetent
+#endif
+#define setnetent lwres_setnetent
+
+#ifdef endnetent
+#undef endnetent
+#endif
+#define endnetent lwres_endnetent
+
+
+#ifdef getnetbyname_r
+#undef getnetbyname_r
+#endif
+#define getnetbyname_r lwres_getnetbyname_r
+
+#ifdef getnetbyaddr_r
+#undef getnetbyaddr_r
+#endif
+#define getnetbyaddr_r lwres_getnetbyaddr_r
+
+#ifdef getnetent_r
+#undef getnetent_r
+#endif
+#define getnetent_r lwres_getnetent_r
+
+#ifdef setnetent_r
+#undef setnetent_r
+#endif
+#define setnetent_r lwres_setnetent_r
+
+#ifdef endnetent_r
+#undef endnetent_r
+#endif
+#define endnetent_r lwres_endnetent_r
+#endif /* notyet */
+
+#ifdef h_errno
+#undef h_errno
+#endif
+#define h_errno lwres_h_errno
+
+#endif /* LWRES_NAMESPACE */
+
+LWRES_LANG_BEGINDECLS
+
+extern int lwres_h_errno;
+
+int lwres_getaddrinfo(const char *, const char *,
+ const struct addrinfo *, struct addrinfo **);
+int lwres_getnameinfo(const struct sockaddr *, size_t, char *,
+ size_t, char *, size_t, int);
+void lwres_freeaddrinfo(struct addrinfo *);
+char *lwres_gai_strerror(int);
+
+struct hostent *lwres_gethostbyaddr(const char *, int, int);
+struct hostent *lwres_gethostbyname(const char *);
+struct hostent *lwres_gethostbyname2(const char *, int);
+struct hostent *lwres_gethostent(void);
+struct hostent *lwres_getipnodebyname(const char *, int, int, int *);
+struct hostent *lwres_getipnodebyaddr(const void *, size_t, int, int *);
+void lwres_endhostent(void);
+void lwres_sethostent(int);
+/* void lwres_sethostfile(const char *); */
+void lwres_freehostent(struct hostent *);
+
+int lwres_getrrsetbyname(const char *, unsigned int, unsigned int,
+ unsigned int, struct rrsetinfo **);
+void lwres_freerrset(struct rrsetinfo *);
+
+#ifdef notyet
+struct netent *lwres_getnetbyaddr(unsigned long, int);
+struct netent *lwres_getnetbyname(const char *);
+struct netent *lwres_getnetent(void);
+void lwres_endnetent(void);
+void lwres_setnetent(int);
+
+struct protoent *lwres_getprotobyname(const char *);
+struct protoent *lwres_getprotobynumber(int);
+struct protoent *lwres_getprotoent(void);
+void lwres_endprotoent(void);
+void lwres_setprotoent(int);
+
+struct servent *lwres_getservbyname(const char *, const char *);
+struct servent *lwres_getservbyport(int, const char *);
+struct servent *lwres_getservent(void);
+void lwres_endservent(void);
+void lwres_setservent(int);
+#endif /* notyet */
+
+void lwres_herror(const char *);
+const char *lwres_hstrerror(int);
+
+
+struct hostent *lwres_gethostbyaddr_r(const char *, int, int, struct hostent *,
+ char *, int, int *);
+struct hostent *lwres_gethostbyname_r(const char *, struct hostent *,
+ char *, int, int *);
+struct hostent *lwres_gethostent_r(struct hostent *, char *, int, int *);
+void lwres_sethostent_r(int);
+void lwres_endhostent_r(void);
+
+#ifdef notyet
+struct netent *lwres_getnetbyname_r(const char *, struct netent *,
+ char *, int);
+struct netent *lwres_getnetbyaddr_r(long, int, struct netent *,
+ char *, int);
+struct netent *lwres_getnetent_r(struct netent *, char *, int);
+void lwres_setnetent_r(int);
+void lwres_endnetent_r(void);
+
+struct protoent *lwres_getprotobyname_r(const char *,
+ struct protoent *, char *, int);
+struct protoent *lwres_getprotobynumber_r(int,
+ struct protoent *, char *, int);
+struct protoent *lwres_getprotoent_r(struct protoent *, char *, int);
+void lwres_setprotoent_r(int);
+void lwres_endprotoent_r(void);
+
+struct servent *lwres_getservbyname_r(const char *name, const char *,
+ struct servent *, char *, int);
+struct servent *lwres_getservbyport_r(int port, const char *,
+ struct servent *, char *, int);
+struct servent *lwres_getservent_r(struct servent *, char *, int);
+void lwres_setservent_r(int);
+void lwres_endservent_r(void);
+#endif /* notyet */
+
+LWRES_LANG_ENDDECLS
+
+#ifdef notyet
+/* This is nec'y to make this include file properly replace the sun version. */
+#ifdef sun
+#ifdef __GNU_LIBRARY__
+#include <rpc/netdb.h> /* Required. */
+#else /* !__GNU_LIBRARY__ */
+struct rpcent {
+ char *r_name; /* name of server for this rpc program */
+ char **r_aliases; /* alias list */
+ int r_number; /* rpc program number */
+};
+struct rpcent *lwres_getrpcbyname();
+struct rpcent *lwres_getrpcbynumber(),
+struct rpcent *lwres_getrpcent();
+#endif /* __GNU_LIBRARY__ */
+#endif /* sun */
+#endif /* notyet */
+
+/*
+ * Tell Emacs to use C mode on this file.
+ * Local variables:
+ * mode: c
+ * End:
+ */
+
+#endif /* LWRES_NETDB_H */
diff --git a/lib/lwres/include/lwres/platform.h.in b/lib/lwres/include/lwres/platform.h.in
new file mode 100644
index 000000000000..f69e09fcfd39
--- /dev/null
+++ b/lib/lwres/include/lwres/platform.h.in
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: platform.h.in,v 1.14.18.5 2005/06/08 02:07:59 marka Exp $ */
+
+/*! \file */
+
+#ifndef LWRES_PLATFORM_H
+#define LWRES_PLATFORM_H 1
+
+/*****
+ ***** Platform-dependent defines.
+ *****/
+
+/***
+ *** Network.
+ ***/
+
+/*
+ * Define if this system needs the <netinet/in6.h> header file for IPv6.
+ */
+@LWRES_PLATFORM_NEEDNETINETIN6H@
+
+/*
+ * Define if this system needs the <netinet6/in6.h> header file for IPv6.
+ */
+@LWRES_PLATFORM_NEEDNETINET6IN6H@
+
+/*
+ * If sockaddrs on this system have an sa_len field, LWRES_PLATFORM_HAVESALEN
+ * will be defined.
+ */
+@LWRES_PLATFORM_HAVESALEN@
+
+/*
+ * If this system has the IPv6 structure definitions, LWRES_PLATFORM_HAVEIPV6
+ * will be defined.
+ */
+@LWRES_PLATFORM_HAVEIPV6@
+
+/*
+ * If this system is missing in6addr_any, LWRES_PLATFORM_NEEDIN6ADDRANY will
+ * be defined.
+ */
+@LWRES_PLATFORM_NEEDIN6ADDRANY@
+
+/*
+ * If this system is missing in6addr_loopback,
+ * LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK will be defined.
+ */
+@LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK@
+
+/*
+ * If this system has in_addr6, rather than in6_addr,
+ * LWRES_PLATFORM_HAVEINADDR6 will be defined.
+ */
+@LWRES_PLATFORM_HAVEINADDR6@
+
+/*
+ * Defined if unistd.h does not cause fd_set to be delared.
+ */
+@LWRES_PLATFORM_NEEDSYSSELECTH@
+
+/*
+ * Used to control how extern data is linked; needed for Win32 platforms.
+ */
+@LWRES_PLATFORM_USEDECLSPEC@
+
+/*
+ * Defined this system needs vsnprintf() and snprintf().
+ */
+@LWRES_PLATFORM_NEEDVSNPRINTF@
+
+/*
+ * If this system need a modern sprintf() that returns (int) not (char*).
+ */
+@LWRES_PLATFORM_NEEDSPRINTF@
+
+/*
+ * The printf format string modifier to use with lwres_uint64_t values.
+ */
+@LWRES_PLATFORM_QUADFORMAT@
+
+/*! \brief
+ * Define if this system needs strtoul.
+ */
+@LWRES_PLATFORM_NEEDSTRTOUL@
+
+#ifndef LWRES_PLATFORM_USEDECLSPEC
+#define LIBLWRES_EXTERNAL_DATA
+#else
+#ifdef LIBLWRES_EXPORTS
+#define LIBLWRES_EXTERNAL_DATA __declspec(dllexport)
+#else
+#define LIBLWRES_EXTERNAL_DATA __declspec(dllimport)
+#endif
+#endif
+
+/*
+ * Tell Emacs to use C mode on this file.
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+
+#endif /* LWRES_PLATFORM_H */
diff --git a/lib/lwres/include/lwres/result.h b/lib/lwres/include/lwres/result.h
new file mode 100644
index 000000000000..6253fb28a2ee
--- /dev/null
+++ b/lib/lwres/include/lwres/result.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: result.h,v 1.15.18.2 2005/04/29 00:17:23 marka Exp $ */
+
+#ifndef LWRES_RESULT_H
+#define LWRES_RESULT_H 1
+
+/*! \file */
+
+typedef unsigned int lwres_result_t;
+
+#define LWRES_R_SUCCESS 0
+#define LWRES_R_NOMEMORY 1
+#define LWRES_R_TIMEOUT 2
+#define LWRES_R_NOTFOUND 3
+#define LWRES_R_UNEXPECTEDEND 4 /* unexpected end of input */
+#define LWRES_R_FAILURE 5 /* generic failure */
+#define LWRES_R_IOERROR 6
+#define LWRES_R_NOTIMPLEMENTED 7
+#define LWRES_R_UNEXPECTED 8
+#define LWRES_R_TRAILINGDATA 9
+#define LWRES_R_INCOMPLETE 10
+#define LWRES_R_RETRY 11
+#define LWRES_R_TYPENOTFOUND 12
+#define LWRES_R_TOOLARGE 13
+
+#endif /* LWRES_RESULT_H */
diff --git a/lib/lwres/include/lwres/stdlib.h b/lib/lwres/include/lwres/stdlib.h
new file mode 100644
index 000000000000..6855fcf49a76
--- /dev/null
+++ b/lib/lwres/include/lwres/stdlib.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2003 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: stdlib.h,v 1.2.2.1 2005/06/08 02:08:01 marka Exp $ */
+
+#ifndef LWRES_STDLIB_H
+#define LWRES_STDLIB_H 1
+
+/*! \file */
+
+#include <stdlib.h>
+
+#include <lwres/lang.h>
+#include <lwres/platform.h>
+
+#ifdef LWRES_PLATFORM_NEEDSTRTOUL
+#define strtoul lwres_strtoul
+#endif
+
+LWRES_LANG_BEGINDECLS
+
+unsigned long lwres_strtoul(const char *, char **, int);
+
+LWRES_LANG_ENDDECLS
+
+#endif
diff --git a/lib/lwres/include/lwres/version.h b/lib/lwres/include/lwres/version.h
new file mode 100644
index 000000000000..252b9031c87a
--- /dev/null
+++ b/lib/lwres/include/lwres/version.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: version.h,v 1.3.18.2 2005/04/29 00:17:23 marka Exp $ */
+
+/*! \file */
+
+#include <lwres/platform.h>
+
+LIBLWRES_EXTERNAL_DATA extern const char lwres_version[];
+
+LIBLWRES_EXTERNAL_DATA extern const unsigned int lwres_libinterface;
+LIBLWRES_EXTERNAL_DATA extern const unsigned int lwres_librevision;
+LIBLWRES_EXTERNAL_DATA extern const unsigned int lwres_libage;