/contrib/bind9/lib/dns/rdata/generic/mg_8.c

https://bitbucket.org/freebsd/freebsd-head/ · C · 235 lines · 158 code · 59 blank · 18 comment · 27 complexity · 22cf2d27a59fa9144849f37f4ef4af50 MD5 · raw file

  1. /*
  2. * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC")
  3. * Copyright (C) 1998-2001 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. /* $Id: mg_8.c,v 1.45 2009/12/04 22:06:37 tbox Exp $ */
  18. /* reviewed: Wed Mar 15 17:49:21 PST 2000 by brister */
  19. #ifndef RDATA_GENERIC_MG_8_C
  20. #define RDATA_GENERIC_MG_8_C
  21. #define RRTYPE_MG_ATTRIBUTES (0)
  22. static inline isc_result_t
  23. fromtext_mg(ARGS_FROMTEXT) {
  24. isc_token_t token;
  25. dns_name_t name;
  26. isc_buffer_t buffer;
  27. REQUIRE(type == 8);
  28. UNUSED(type);
  29. UNUSED(rdclass);
  30. UNUSED(callbacks);
  31. RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  32. ISC_FALSE));
  33. dns_name_init(&name, NULL);
  34. buffer_fromregion(&buffer, &token.value.as_region);
  35. origin = (origin != NULL) ? origin : dns_rootname;
  36. RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
  37. return (ISC_R_SUCCESS);
  38. }
  39. static inline isc_result_t
  40. totext_mg(ARGS_TOTEXT) {
  41. isc_region_t region;
  42. dns_name_t name;
  43. dns_name_t prefix;
  44. isc_boolean_t sub;
  45. REQUIRE(rdata->type == 8);
  46. REQUIRE(rdata->length != 0);
  47. dns_name_init(&name, NULL);
  48. dns_name_init(&prefix, NULL);
  49. dns_rdata_toregion(rdata, &region);
  50. dns_name_fromregion(&name, &region);
  51. sub = name_prefix(&name, tctx->origin, &prefix);
  52. return (dns_name_totext(&prefix, sub, target));
  53. }
  54. static inline isc_result_t
  55. fromwire_mg(ARGS_FROMWIRE) {
  56. dns_name_t name;
  57. REQUIRE(type == 8);
  58. UNUSED(type);
  59. UNUSED(rdclass);
  60. dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
  61. dns_name_init(&name, NULL);
  62. return (dns_name_fromwire(&name, source, dctx, options, target));
  63. }
  64. static inline isc_result_t
  65. towire_mg(ARGS_TOWIRE) {
  66. dns_name_t name;
  67. dns_offsets_t offsets;
  68. isc_region_t region;
  69. REQUIRE(rdata->type == 8);
  70. REQUIRE(rdata->length != 0);
  71. dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
  72. dns_name_init(&name, offsets);
  73. dns_rdata_toregion(rdata, &region);
  74. dns_name_fromregion(&name, &region);
  75. return (dns_name_towire(&name, cctx, target));
  76. }
  77. static inline int
  78. compare_mg(ARGS_COMPARE) {
  79. dns_name_t name1;
  80. dns_name_t name2;
  81. isc_region_t region1;
  82. isc_region_t region2;
  83. REQUIRE(rdata1->type == rdata2->type);
  84. REQUIRE(rdata1->rdclass == rdata2->rdclass);
  85. REQUIRE(rdata1->type == 8);
  86. REQUIRE(rdata1->length != 0);
  87. REQUIRE(rdata2->length != 0);
  88. dns_name_init(&name1, NULL);
  89. dns_name_init(&name2, NULL);
  90. dns_rdata_toregion(rdata1, &region1);
  91. dns_rdata_toregion(rdata2, &region2);
  92. dns_name_fromregion(&name1, &region1);
  93. dns_name_fromregion(&name2, &region2);
  94. return (dns_name_rdatacompare(&name1, &name2));
  95. }
  96. static inline isc_result_t
  97. fromstruct_mg(ARGS_FROMSTRUCT) {
  98. dns_rdata_mg_t *mg = source;
  99. isc_region_t region;
  100. REQUIRE(type == 8);
  101. REQUIRE(source != NULL);
  102. REQUIRE(mg->common.rdtype == type);
  103. REQUIRE(mg->common.rdclass == rdclass);
  104. UNUSED(type);
  105. UNUSED(rdclass);
  106. dns_name_toregion(&mg->mg, &region);
  107. return (isc_buffer_copyregion(target, &region));
  108. }
  109. static inline isc_result_t
  110. tostruct_mg(ARGS_TOSTRUCT) {
  111. isc_region_t region;
  112. dns_rdata_mg_t *mg = target;
  113. dns_name_t name;
  114. REQUIRE(rdata->type == 8);
  115. REQUIRE(target != NULL);
  116. REQUIRE(rdata->length != 0);
  117. mg->common.rdclass = rdata->rdclass;
  118. mg->common.rdtype = rdata->type;
  119. ISC_LINK_INIT(&mg->common, link);
  120. dns_name_init(&name, NULL);
  121. dns_rdata_toregion(rdata, &region);
  122. dns_name_fromregion(&name, &region);
  123. dns_name_init(&mg->mg, NULL);
  124. RETERR(name_duporclone(&name, mctx, &mg->mg));
  125. mg->mctx = mctx;
  126. return (ISC_R_SUCCESS);
  127. }
  128. static inline void
  129. freestruct_mg(ARGS_FREESTRUCT) {
  130. dns_rdata_mg_t *mg = source;
  131. REQUIRE(source != NULL);
  132. REQUIRE(mg->common.rdtype == 8);
  133. if (mg->mctx == NULL)
  134. return;
  135. dns_name_free(&mg->mg, mg->mctx);
  136. mg->mctx = NULL;
  137. }
  138. static inline isc_result_t
  139. additionaldata_mg(ARGS_ADDLDATA) {
  140. REQUIRE(rdata->type == 8);
  141. UNUSED(add);
  142. UNUSED(arg);
  143. UNUSED(rdata);
  144. return (ISC_R_SUCCESS);
  145. }
  146. static inline isc_result_t
  147. digest_mg(ARGS_DIGEST) {
  148. isc_region_t r;
  149. dns_name_t name;
  150. REQUIRE(rdata->type == 8);
  151. dns_rdata_toregion(rdata, &r);
  152. dns_name_init(&name, NULL);
  153. dns_name_fromregion(&name, &r);
  154. return (dns_name_digest(&name, digest, arg));
  155. }
  156. static inline isc_boolean_t
  157. checkowner_mg(ARGS_CHECKOWNER) {
  158. REQUIRE(type == 8);
  159. UNUSED(type);
  160. UNUSED(rdclass);
  161. UNUSED(wildcard);
  162. return (dns_name_ismailbox(name));
  163. }
  164. static inline isc_boolean_t
  165. checknames_mg(ARGS_CHECKNAMES) {
  166. REQUIRE(rdata->type == 8);
  167. UNUSED(rdata);
  168. UNUSED(owner);
  169. UNUSED(bad);
  170. return (ISC_TRUE);
  171. }
  172. static inline int
  173. casecompare_mg(ARGS_COMPARE) {
  174. return (compare_mg(rdata1, rdata2));
  175. }
  176. #endif /* RDATA_GENERIC_MG_8_C */