]> CyberLeo.Net >> Repos - FreeBSD/releng/9.3.git/blob - contrib/bind9/lib/dns/rdata/generic/isdn_20.c
Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.
[FreeBSD/releng/9.3.git] / contrib / bind9 / lib / dns / rdata / generic / isdn_20.c
1 /*
2  * Copyright (C) 2004, 2005, 2007, 2009, 2013  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 1999-2002  Internet Software Consortium.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15  * PERFORMANCE OF THIS SOFTWARE.
16  */
17
18 /* $Id: isdn_20.c,v 1.40 2009/12/04 22:06:37 tbox Exp $ */
19
20 /* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */
21
22 /* RFC1183 */
23
24 #ifndef RDATA_GENERIC_ISDN_20_C
25 #define RDATA_GENERIC_ISDN_20_C
26
27 #define RRTYPE_ISDN_ATTRIBUTES (0)
28
29 static inline isc_result_t
30 fromtext_isdn(ARGS_FROMTEXT) {
31         isc_token_t token;
32
33         REQUIRE(type == 20);
34
35         UNUSED(type);
36         UNUSED(rdclass);
37         UNUSED(origin);
38         UNUSED(options);
39         UNUSED(callbacks);
40
41         /* ISDN-address */
42         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
43                                       ISC_FALSE));
44         RETTOK(txt_fromtext(&token.value.as_textregion, target));
45
46         /* sa: optional */
47         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
48                                       ISC_TRUE));
49         if (token.type != isc_tokentype_string &&
50             token.type != isc_tokentype_qstring) {
51                 isc_lex_ungettoken(lexer, &token);
52                 return (ISC_R_SUCCESS);
53         }
54         RETTOK(txt_fromtext(&token.value.as_textregion, target));
55         return (ISC_R_SUCCESS);
56 }
57
58 static inline isc_result_t
59 totext_isdn(ARGS_TOTEXT) {
60         isc_region_t region;
61
62         REQUIRE(rdata->type == 20);
63         REQUIRE(rdata->length != 0);
64
65         UNUSED(tctx);
66
67         dns_rdata_toregion(rdata, &region);
68         RETERR(txt_totext(&region, target));
69         if (region.length == 0)
70                 return (ISC_R_SUCCESS);
71         RETERR(str_totext(" ", target));
72         return (txt_totext(&region, target));
73 }
74
75 static inline isc_result_t
76 fromwire_isdn(ARGS_FROMWIRE) {
77         REQUIRE(type == 20);
78
79         UNUSED(type);
80         UNUSED(dctx);
81         UNUSED(rdclass);
82         UNUSED(options);
83
84         RETERR(txt_fromwire(source, target));
85         if (buffer_empty(source))
86                 return (ISC_R_SUCCESS);
87         return (txt_fromwire(source, target));
88 }
89
90 static inline isc_result_t
91 towire_isdn(ARGS_TOWIRE) {
92         UNUSED(cctx);
93
94         REQUIRE(rdata->type == 20);
95         REQUIRE(rdata->length != 0);
96
97         return (mem_tobuffer(target, rdata->data, rdata->length));
98 }
99
100 static inline int
101 compare_isdn(ARGS_COMPARE) {
102         isc_region_t r1;
103         isc_region_t r2;
104
105         REQUIRE(rdata1->type == rdata2->type);
106         REQUIRE(rdata1->rdclass == rdata2->rdclass);
107         REQUIRE(rdata1->type == 20);
108         REQUIRE(rdata1->length != 0);
109         REQUIRE(rdata2->length != 0);
110
111         dns_rdata_toregion(rdata1, &r1);
112         dns_rdata_toregion(rdata2, &r2);
113         return (isc_region_compare(&r1, &r2));
114 }
115
116 static inline isc_result_t
117 fromstruct_isdn(ARGS_FROMSTRUCT) {
118         dns_rdata_isdn_t *isdn = source;
119
120         REQUIRE(type == 20);
121         REQUIRE(source != NULL);
122         REQUIRE(isdn->common.rdtype == type);
123         REQUIRE(isdn->common.rdclass == rdclass);
124
125         UNUSED(type);
126         UNUSED(rdclass);
127
128         RETERR(uint8_tobuffer(isdn->isdn_len, target));
129         RETERR(mem_tobuffer(target, isdn->isdn, isdn->isdn_len));
130         if (isdn->subaddress == NULL)
131                 return (ISC_R_SUCCESS);
132         RETERR(uint8_tobuffer(isdn->subaddress_len, target));
133         return (mem_tobuffer(target, isdn->subaddress, isdn->subaddress_len));
134 }
135
136 static inline isc_result_t
137 tostruct_isdn(ARGS_TOSTRUCT) {
138         dns_rdata_isdn_t *isdn = target;
139         isc_region_t r;
140
141         REQUIRE(rdata->type == 20);
142         REQUIRE(target != NULL);
143         REQUIRE(rdata->length != 0);
144
145         isdn->common.rdclass = rdata->rdclass;
146         isdn->common.rdtype = rdata->type;
147         ISC_LINK_INIT(&isdn->common, link);
148
149         dns_rdata_toregion(rdata, &r);
150
151         isdn->isdn_len = uint8_fromregion(&r);
152         isc_region_consume(&r, 1);
153         isdn->isdn = mem_maybedup(mctx, r.base, isdn->isdn_len);
154         if (isdn->isdn == NULL)
155                 return (ISC_R_NOMEMORY);
156         isc_region_consume(&r, isdn->isdn_len);
157
158         if (r.length == 0) {
159                 isdn->subaddress_len = 0;
160                 isdn->subaddress = NULL;
161         } else {
162                 isdn->subaddress_len = uint8_fromregion(&r);
163                 isc_region_consume(&r, 1);
164                 isdn->subaddress = mem_maybedup(mctx, r.base,
165                                                 isdn->subaddress_len);
166                 if (isdn->subaddress == NULL)
167                         goto cleanup;
168         }
169
170         isdn->mctx = mctx;
171         return (ISC_R_SUCCESS);
172
173  cleanup:
174         if (mctx != NULL && isdn->isdn != NULL)
175                 isc_mem_free(mctx, isdn->isdn);
176         return (ISC_R_NOMEMORY);
177 }
178
179 static inline void
180 freestruct_isdn(ARGS_FREESTRUCT) {
181         dns_rdata_isdn_t *isdn = source;
182
183         REQUIRE(source != NULL);
184
185         if (isdn->mctx == NULL)
186                 return;
187
188         if (isdn->isdn != NULL)
189                 isc_mem_free(isdn->mctx, isdn->isdn);
190         if (isdn->subaddress != NULL)
191                 isc_mem_free(isdn->mctx, isdn->subaddress);
192         isdn->mctx = NULL;
193 }
194
195 static inline isc_result_t
196 additionaldata_isdn(ARGS_ADDLDATA) {
197         REQUIRE(rdata->type == 20);
198
199         UNUSED(rdata);
200         UNUSED(add);
201         UNUSED(arg);
202
203         return (ISC_R_SUCCESS);
204 }
205
206 static inline isc_result_t
207 digest_isdn(ARGS_DIGEST) {
208         isc_region_t r;
209
210         REQUIRE(rdata->type == 20);
211
212         dns_rdata_toregion(rdata, &r);
213
214         return ((digest)(arg, &r));
215 }
216
217 static inline isc_boolean_t
218 checkowner_isdn(ARGS_CHECKOWNER) {
219
220         REQUIRE(type == 20);
221
222         UNUSED(name);
223         UNUSED(type);
224         UNUSED(rdclass);
225         UNUSED(wildcard);
226
227         return (ISC_TRUE);
228 }
229
230 static inline isc_boolean_t
231 checknames_isdn(ARGS_CHECKNAMES) {
232
233         REQUIRE(rdata->type == 20);
234
235         UNUSED(rdata);
236         UNUSED(owner);
237         UNUSED(bad);
238
239         return (ISC_TRUE);
240 }
241
242 static inline int
243 casecompare_isdn(ARGS_COMPARE) {
244         return (compare_isdn(rdata1, rdata2));
245 }
246
247 #endif  /* RDATA_GENERIC_ISDN_20_C */