isclib.h revision 1.3 1 /* $NetBSD: isclib.h,v 1.3 2020/08/03 21:10:57 christos Exp $ */
2
3 /* isclib.h
4
5 connections to the isc and dns libraries */
6
7 /*
8 * Copyright (c) 2009-2019 by 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 * 950 Charter Street
24 * Redwood City, CA 94063
25 * <info (at) 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/mem.h>
58 #include <isc/parseint.h>
59 #include <isc/socket.h>
60 #include <isc/sockaddr.h>
61 #include <isc/task.h>
62 #include <isc/timer.h>
63 #include <isc/heap.h>
64 #include <isc/random.h>
65
66 #include <irs/resconf.h>
67
68 #include <dns/client.h>
69 #include <dns/fixedname.h>
70 #include <dns/keyvalues.h>
71 #include <dns/lib.h>
72 #include <dns/name.h>
73 #include <dns/rdata.h>
74 #include <dns/rdataclass.h>
75 #include <dns/rdatalist.h>
76 #include <dns/rdataset.h>
77 #include <dns/rdatastruct.h>
78 #include <dns/rdatatype.h>
79 #include <dns/result.h>
80 #include <dns/secalg.h>
81 #include <dns/tsec.h>
82
83 #include <dst/dst.h>
84
85 #include "result.h"
86
87
88 /*
89 * DHCP context structure
90 * This holds the libisc information for a dhcp entity
91 */
92
93 typedef struct dhcp_context {
94 isc_mem_t *mctx;
95 isc_appctx_t *actx;
96 int actx_started; // ISC_TRUE if ctxstart has been called
97 int actx_running; // ISC_TRUE if ctxrun has been called
98 isc_taskmgr_t *taskmgr;
99 isc_task_t *task;
100 isc_socketmgr_t *socketmgr;
101 isc_timermgr_t *timermgr;
102 #if defined (NSUPDATE)
103 dns_client_t *dnsclient;
104 int use_local4;
105 isc_sockaddr_t local4_sockaddr;
106 int use_local6;
107 isc_sockaddr_t local6_sockaddr;
108 #endif
109 } dhcp_context_t;
110
111 extern dhcp_context_t dhcp_gbl_ctx;
112
113 #define DHCP_MAXDNS_WIRE 256
114 #define DHCP_MAXNS 3
115 #define DHCP_HMAC_MD5_NAME "HMAC-MD5.SIG-ALG.REG.INT."
116 #define DHCP_HMAC_SHA1_NAME "HMAC-SHA1.SIG-ALG.REG.INT."
117 #define DHCP_HMAC_SHA224_NAME "HMAC-SHA224.SIG-ALG.REG.INT."
118 #define DHCP_HMAC_SHA256_NAME "HMAC-SHA256.SIG-ALG.REG.INT."
119 #define DHCP_HMAC_SHA384_NAME "HMAC-SHA384.SIG-ALG.REG.INT."
120 #define DHCP_HMAC_SHA512_NAME "HMAC-SHA512.SIG-ALG.REG.INT."
121
122 isc_result_t dhcp_isc_name(unsigned char *namestr,
123 dns_fixedname_t *namefix,
124 dns_name_t **name);
125
126 isc_result_t
127 isclib_make_dst_key(char *inname,
128 char *algorithm,
129 unsigned char *secret,
130 int length,
131 dst_key_t **dstkey);
132
133 #define DHCP_CONTEXT_PRE_DB 1
134 #define DHCP_CONTEXT_POST_DB 2
135 #define DHCP_DNS_CLIENT_LAZY_INIT 4
136 isc_result_t dhcp_context_create(int flags,
137 struct in_addr *local4,
138 struct in6_addr *local6);
139 void isclib_cleanup(void);
140
141 void dhcp_signal_handler(int signal);
142 extern int shutdown_signal;
143
144 #if defined (NSUPDATE)
145 isc_result_t dns_client_init(void);
146 #endif /* defined NSUPDATE */
147
148 #endif /* ISCLIB_H */
149