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Diffstat (limited to 'lib/liblwres/include/lwres/lwpacket.h')
| -rw-r--r-- | lib/liblwres/include/lwres/lwpacket.h | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/lib/liblwres/include/lwres/lwpacket.h b/lib/liblwres/include/lwres/lwpacket.h deleted file mode 100644 index a0d216e57..000000000 --- a/lib/liblwres/include/lwres/lwpacket.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * 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 INTERNET SOFTWARE CONSORTIUM - * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL - * INTERNET SOFTWARE CONSORTIUM 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 1.1 2004/03/15 20:35:25 as Exp $ */ - -#ifndef LWRES_LWPACKET_H -#define LWRES_LWPACKET_H 1 - -#include <lwres/lang.h> -#include <lwres/lwbuffer.h> -#include <lwres/result.h> - -typedef struct lwres_lwpacket lwres_lwpacket_t; - -struct lwres_lwpacket { - lwres_uint32_t length; - lwres_uint16_t version; - lwres_uint16_t pktflags; - lwres_uint32_t serial; - lwres_uint32_t opcode; - lwres_uint32_t result; - lwres_uint32_t recvlength; - lwres_uint16_t authtype; - lwres_uint16_t authlength; -}; - -#define LWRES_LWPACKET_LENGTH (4 * 5 + 2 * 4) - -#define LWRES_LWPACKETFLAG_RESPONSE 0x0001U /* if set, pkt is a response */ - - -#define LWRES_LWPACKETVERSION_0 0 - -/* - * "length" is the overall packet length, including the entire packet header. - * - * "version" specifies the header format. Currently, there is only one - * format, LWRES_LWPACKETVERSION_0. - * - * "flags" specifies library-defined flags for this packet. 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. - * - * "serial" is 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.) - * - * "opcode" is application defined. Opcodes between 0x04000000 and 0xffffffff - * are application defined. Opcodes between 0x00000000 and 0x03ffffff are - * reserved for library use. - * - * "result" is application defined, and valid only on replies. - * 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.) - * - * "recvlength" is 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. - * - * "authtype" is 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. - * - * "authlen" is 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. - * - * The remainder of the packet consists of two regions, one described by - * "authlen" and one of "length - authlen - sizeof(lwres_lwpacket_t)". - * - * That is: - * - * pkt header - * authlen bytes of auth information - * data bytes - */ - -/* - * Currently defined opcodes: - * - * NOOP. Success is always returned, with the packet contents echoed. - * - * 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. - * - * 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 */ |