1 /* $NetBSD: isclib.h,v 1.5 2022/04/03 01:10:59 christos Exp $ */ 2 3 /* isclib.h 4 5 connections to the isc and dns libraries */ 6 7 /* 8 * Copyright (C) 2009-2022 Internet Systems Consortium, Inc. ("ISC") 9 * 10 * This Source Code Form is subject to the terms of the Mozilla Public 11 * License, v. 2.0. If a copy of the MPL was not distributed with this 12 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 20 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 21 * 22 * Internet Systems Consortium, Inc. 23 * PO Box 360 24 * Newmarket, NH 03857 USA 25 * <info@isc.org> 26 * http://www.isc.org/ 27 * 28 */ 29 30 #ifndef ISCLIB_H 31 #define ISCLIB_H 32 33 #include "config.h" 34 35 #include <syslog.h> 36 37 #define MAXWIRE 256 38 39 #include <sys/types.h> 40 #include <sys/socket.h> 41 42 #include <netinet/in.h> 43 44 #include <arpa/inet.h> 45 46 #include <unistd.h> 47 #include <ctype.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <netdb.h> 52 53 #include <isc/buffer.h> 54 #include <isc/lex.h> 55 #include <isc/lib.h> 56 #include <isc/app.h> 57 #include <isc/managers.h> 58 #include <isc/mem.h> 59 #include <isc/parseint.h> 60 #include <isc/socket.h> 61 #include <isc/sockaddr.h> 62 #include <isc/task.h> 63 #include <isc/timer.h> 64 #include <isc/heap.h> 65 #include <isc/random.h> 66 67 #include <irs/resconf.h> 68 69 #include <dns/client.h> 70 #include <dns/fixedname.h> 71 #include <dns/keyvalues.h> 72 #include <dns/lib.h> 73 #include <dns/name.h> 74 #include <dns/rdata.h> 75 #include <dns/rdataclass.h> 76 #include <dns/rdatalist.h> 77 #include <dns/rdataset.h> 78 #include <dns/rdatastruct.h> 79 #include <dns/rdatatype.h> 80 #include <dns/result.h> 81 #include <dns/secalg.h> 82 #include <dns/tsec.h> 83 84 #include <dst/dst.h> 85 86 #include "result.h" 87 88 89 /* 90 * DHCP context structure 91 * This holds the libisc information for a dhcp entity 92 */ 93 94 typedef struct dhcp_context { 95 isc_mem_t *mctx; 96 isc_appctx_t *actx; 97 int actx_started; // ISC_TRUE if ctxstart has been called 98 int actx_running; // ISC_TRUE if ctxrun has been called 99 isc_taskmgr_t *taskmgr; 100 isc_nm_t *netmgr; 101 isc_task_t *task; 102 isc_socketmgr_t *socketmgr; 103 isc_timermgr_t *timermgr; 104 #if defined (NSUPDATE) 105 dns_client_t *dnsclient; 106 int use_local4; 107 isc_sockaddr_t local4_sockaddr; 108 int use_local6; 109 isc_sockaddr_t local6_sockaddr; 110 #endif 111 } dhcp_context_t; 112 113 extern dhcp_context_t dhcp_gbl_ctx; 114 115 #define DHCP_MAXDNS_WIRE 256 116 #define DHCP_MAXNS 3 117 #define DHCP_HMAC_MD5_NAME "HMAC-MD5.SIG-ALG.REG.INT." 118 #define DHCP_HMAC_SHA1_NAME "HMAC-SHA1.SIG-ALG.REG.INT." 119 #define DHCP_HMAC_SHA224_NAME "HMAC-SHA224.SIG-ALG.REG.INT." 120 #define DHCP_HMAC_SHA256_NAME "HMAC-SHA256.SIG-ALG.REG.INT." 121 #define DHCP_HMAC_SHA384_NAME "HMAC-SHA384.SIG-ALG.REG.INT." 122 #define DHCP_HMAC_SHA512_NAME "HMAC-SHA512.SIG-ALG.REG.INT." 123 124 isc_result_t dhcp_isc_name(unsigned char *namestr, 125 dns_fixedname_t *namefix, 126 dns_name_t **name); 127 128 isc_result_t 129 isclib_make_dst_key(char *inname, 130 char *algorithm, 131 unsigned char *secret, 132 int length, 133 dst_key_t **dstkey); 134 135 #define DHCP_CONTEXT_PRE_DB 1 136 #define DHCP_CONTEXT_POST_DB 2 137 #define DHCP_DNS_CLIENT_LAZY_INIT 4 138 isc_result_t dhcp_context_create(int flags, 139 struct in_addr *local4, 140 struct in6_addr *local6); 141 void isclib_cleanup(void); 142 143 void dhcp_signal_handler(int signal); 144 extern int shutdown_signal; 145 146 #if defined (NSUPDATE) 147 isc_result_t dns_client_init(void); 148 #endif /* defined NSUPDATE */ 149 150 #endif /* ISCLIB_H */ 151