/* $NetBSD: db_tsig.c,v 1.1.1.1 1999/11/20 18:53:59 veego Exp $ */ #if !defined(lint) && !defined(SABER) static const char rcsid[] = "Id: db_tsig.c,v 8.5 1999/10/15 19:48:59 vixie Exp"; #endif /* not lint */ /* * Copyright (c) 1986, 1990 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Portions Copyright (c) 1993 by Digital Equipment Corporation. * * 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, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION 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. */ /* * Portions Copyright (c) 1996-1999 by 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. */ #include "port_before.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "port_after.h" #include "named.h" typedef struct { DST_KEY *key; void *ctx; } tsig_axfr_state; #define TSIG_ALG_MD5 "HMAC-MD5.SIG-ALG.REG.INT" #define TSIG_ALG_MD5_SHORT "hmac-md5" char * tsig_alg_name(int value) { if (value == KEY_HMAC_MD5) return(TSIG_ALG_MD5); else return(NULL); } int tsig_alg_value(char *name) { if (ns_samename(name, TSIG_ALG_MD5) == 1 || strcasecmp(name, TSIG_ALG_MD5_SHORT) == 0) return (KEY_HMAC_MD5); else return (-1); } DST_KEY * tsig_key_from_addr(struct in_addr addr) { server_info si = si = find_server(addr); if (si == NULL || si->key_list == NULL || si->key_list->first == NULL) return(NULL); return(si->key_list->first->key); } struct tsig_record * new_tsig(DST_KEY *key, u_char *sig, int siglen) { struct tsig_record *tsig; if (siglen > TSIG_SIG_SIZE) return(NULL); tsig = memget(sizeof(struct tsig_record)); if (tsig == NULL) return(NULL); tsig->key = key; tsig->siglen = siglen; memcpy(tsig->sig, sig, siglen); return(tsig); } void free_tsig(struct tsig_record *tsig) { if (tsig == NULL) return; memput(tsig, sizeof(struct tsig_record)); }