This file is indexed.

/usr/include/dns/zone.h is in libbind-dev 1:9.9.5.dfsg-9+deb8u15.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
/*
 * Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1999-2003  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC 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.
 */

/* $Id$ */

#ifndef DNS_ZONE_H
#define DNS_ZONE_H 1

/*! \file dns/zone.h */

/***
 ***	Imports
 ***/

#include <stdio.h>

#include <isc/formatcheck.h>
#include <isc/lang.h>
#include <isc/rwlock.h>

#include <dns/master.h>
#include <dns/masterdump.h>
#include <dns/rdatastruct.h>
#include <dns/rpz.h>
#include <dns/types.h>
#include <dns/zt.h>

typedef enum {
	dns_zone_none,
	dns_zone_master,
	dns_zone_slave,
	dns_zone_stub,
	dns_zone_staticstub,
	dns_zone_key,
	dns_zone_dlz,
	dns_zone_redirect
} dns_zonetype_t;

typedef enum {
	dns_zonestat_none = 0,
	dns_zonestat_terse,
	dns_zonestat_full
} dns_zonestat_level_t;

#define DNS_ZONEOPT_SERVERS	  0x00000001U	/*%< perform server checks */
#define DNS_ZONEOPT_PARENTS	  0x00000002U	/*%< perform parent checks */
#define DNS_ZONEOPT_CHILDREN	  0x00000004U	/*%< perform child checks */
#define DNS_ZONEOPT_NOTIFY	  0x00000008U	/*%< perform NOTIFY */
#define DNS_ZONEOPT_MANYERRORS	  0x00000010U	/*%< return many errors on load */
#define DNS_ZONEOPT_IXFRFROMDIFFS 0x00000020U	/*%< calculate differences */
#define DNS_ZONEOPT_NOMERGE	  0x00000040U	/*%< don't merge journal */
#define DNS_ZONEOPT_CHECKNS	  0x00000080U	/*%< check if NS's are addresses */
#define DNS_ZONEOPT_FATALNS	  0x00000100U	/*%< DNS_ZONEOPT_CHECKNS is fatal */
#define DNS_ZONEOPT_MULTIMASTER	  0x00000200U	/*%< this zone has multiple masters */
#define DNS_ZONEOPT_USEALTXFRSRC  0x00000400U	/*%< use alternate transfer sources */
#define DNS_ZONEOPT_CHECKNAMES	  0x00000800U	/*%< check-names */
#define DNS_ZONEOPT_CHECKNAMESFAIL 0x00001000U	/*%< fatal check-name failures */
#define DNS_ZONEOPT_CHECKWILDCARD 0x00002000U	/*%< check for internal wildcards */
#define DNS_ZONEOPT_CHECKMX	  0x00004000U	/*%< check-mx */
#define DNS_ZONEOPT_CHECKMXFAIL   0x00008000U	/*%< fatal check-mx failures */
#define DNS_ZONEOPT_CHECKINTEGRITY 0x00010000U	/*%< perform integrity checks */
#define DNS_ZONEOPT_CHECKSIBLING  0x00020000U	/*%< perform sibling glue checks */
#define DNS_ZONEOPT_NOCHECKNS	  0x00040000U	/*%< disable IN NS address checks */
#define DNS_ZONEOPT_WARNMXCNAME	  0x00080000U	/*%< warn on MX CNAME check */
#define DNS_ZONEOPT_IGNOREMXCNAME 0x00100000U	/*%< ignore MX CNAME check */
#define DNS_ZONEOPT_WARNSRVCNAME  0x00200000U	/*%< warn on SRV CNAME check */
#define DNS_ZONEOPT_IGNORESRVCNAME 0x00400000U	/*%< ignore SRV CNAME check */
#define DNS_ZONEOPT_UPDATECHECKKSK 0x00800000U	/*%< check dnskey KSK flag */
#define DNS_ZONEOPT_TRYTCPREFRESH 0x01000000U	/*%< try tcp refresh on udp failure */
#define DNS_ZONEOPT_NOTIFYTOSOA	  0x02000000U	/*%< Notify the SOA MNAME */
#define DNS_ZONEOPT_NSEC3TESTZONE 0x04000000U	/*%< nsec3-test-zone */
#define DNS_ZONEOPT_SECURETOINSECURE 0x08000000U /*%< dnssec-secure-to-insecure */
#define DNS_ZONEOPT_DNSKEYKSKONLY 0x10000000U	/*%< dnssec-dnskey-kskonly */
#define DNS_ZONEOPT_CHECKDUPRR	  0x20000000U   /*%< check-dup-records */
#define DNS_ZONEOPT_CHECKDUPRRFAIL 0x40000000U	/*%< fatal check-dup-records failures */
#define DNS_ZONEOPT_CHECKSPF	  0x80000000U	/*%< check SPF records */

#ifndef NOMINUM_PUBLIC
/*
 * Nominum specific options build down.
 */
#define DNS_ZONEOPT_NOTIFYFORWARD 0x80000000U	/* forward notify to master */
#endif /* NOMINUM_PUBLIC */

/*
 * Zone key maintenance options
 */
#define DNS_ZONEKEY_ALLOW	0x00000001U	/*%< fetch keys on command */
#define DNS_ZONEKEY_MAINTAIN	0x00000002U	/*%< publish/sign on schedule */
#define DNS_ZONEKEY_CREATE	0x00000004U	/*%< make keys when needed */
#define DNS_ZONEKEY_FULLSIGN    0x00000008U     /*%< roll to new keys immediately */
#define DNS_ZONEKEY_NORESIGN	0x00000010U	/*%< no automatic resigning */

#ifndef DNS_ZONE_MINREFRESH
#define DNS_ZONE_MINREFRESH		    300	/*%< 5 minutes */
#endif
#ifndef DNS_ZONE_MAXREFRESH
#define DNS_ZONE_MAXREFRESH		2419200	/*%< 4 weeks */
#endif
#ifndef DNS_ZONE_DEFAULTREFRESH
#define DNS_ZONE_DEFAULTREFRESH		   3600	/*%< 1 hour */
#endif
#ifndef DNS_ZONE_MINRETRY
#define DNS_ZONE_MINRETRY		    300	/*%< 5 minutes */
#endif
#ifndef DNS_ZONE_MAXRETRY
#define DNS_ZONE_MAXRETRY		1209600	/*%< 2 weeks */
#endif
#ifndef DNS_ZONE_DEFAULTRETRY
#define DNS_ZONE_DEFAULTRETRY		     60	/*%< 1 minute, subject to
						   exponential backoff */
#endif

#define DNS_ZONESTATE_XFERRUNNING	1
#define DNS_ZONESTATE_XFERDEFERRED	2
#define DNS_ZONESTATE_SOAQUERY		3
#define DNS_ZONESTATE_ANY		4

ISC_LANG_BEGINDECLS

/***
 ***	Functions
 ***/

isc_result_t
dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx);
/*%<
 *	Creates a new empty zone and attach '*zonep' to it.
 *
 * Requires:
 *\li	'zonep' to point to a NULL pointer.
 *\li	'mctx' to be a valid memory context.
 *
 * Ensures:
 *\li	'*zonep' refers to a valid zone.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMEMORY
 *\li	#ISC_R_UNEXPECTED
 */

void
dns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass);
/*%<
 *	Sets the class of a zone.  This operation can only be performed
 *	once on a zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	dns_zone_setclass() not to have been called since the zone was
 *	created.
 *\li	'rdclass' != dns_rdataclass_none.
 */

dns_rdataclass_t
dns_zone_getclass(dns_zone_t *zone);
/*%<
 *	Returns the current zone class.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_getserial2(dns_zone_t *zone, isc_uint32_t *serialp);

isc_uint32_t
dns_zone_getserial(dns_zone_t *zone);
/*%<
 *	Returns the current serial number of the zone.  On success, the SOA
 *	serial of the zone will be copied into '*serialp'.
 *	dns_zone_getserial() cannot catch failure cases and is deprecated by
 *	dns_zone_getserial2().
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 *\li	'serialp' to be non NULL
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#DNS_R_NOTLOADED	zone DB is not loaded
 */

void
dns_zone_settype(dns_zone_t *zone, dns_zonetype_t type);
/*%<
 *	Sets the zone type. This operation can only be performed once on
 *	a zone.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 *\li	dns_zone_settype() not to have been called since the zone was
 *	created.
 *\li	'type' != dns_zone_none
 */

void
dns_zone_setview(dns_zone_t *zone, dns_view_t *view);
/*%<
 *	Associate the zone with a view.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

dns_view_t *
dns_zone_getview(dns_zone_t *zone);
/*%<
 *	Returns the zone's associated view.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin);
/*%<
 *	Sets the zones origin to 'origin'.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'origin' to be non NULL.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li 	#ISC_R_NOMEMORY
 */

dns_name_t *
dns_zone_getorigin(dns_zone_t *zone);
/*%<
 *	Returns the value of the origin.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setfile(dns_zone_t *zone, const char *file);

isc_result_t
dns_zone_setfile2(dns_zone_t *zone, const char *file,
		  dns_masterformat_t format);
/*%<
 *    Sets the name of the master file in the format of 'format' from which
 *    the zone loads its database to 'file'.
 *
 *    For zones that have no associated master file, 'file' will be NULL.
 *
 *	For zones with persistent databases, the file name
 *	setting is ignored.
 *
 *    dns_zone_setfile() is a backward-compatible form of
 *    dns_zone_setfile2(), which always specifies the
 *    dns_masterformat_text (RFC1035) format.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	#ISC_R_NOMEMORY
 *\li	#ISC_R_SUCCESS
 */

const char *
dns_zone_getfile(dns_zone_t *zone);
/*%<
 * 	Gets the name of the zone's master file, if any.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 *
 * Returns:
 *\li	Pointer to null-terminated file name, or NULL.
 */

isc_result_t
dns_zone_load(dns_zone_t *zone);

isc_result_t
dns_zone_loadnew(dns_zone_t *zone);

isc_result_t
dns_zone_loadandthaw(dns_zone_t *zone);

/*%<
 *	Cause the database to be loaded from its backing store.
 *	Confirm that the minimum requirements for the zone type are
 *	met, otherwise DNS_R_BADZONE is returned.
 *
 *	dns_zone_loadnew() only loads zones that are not yet loaded.
 *	dns_zone_load() also loads zones that are already loaded and
 *	and whose master file has changed since the last load.
 *	dns_zone_loadandthaw() is similar to dns_zone_load() but will
 *	also re-enable DNS UPDATEs when the load completes.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	#ISC_R_UNEXPECTED
 *\li	#ISC_R_SUCCESS
 *\li	DNS_R_CONTINUE	  Incremental load has been queued.
 *\li	DNS_R_UPTODATE	  The zone has already been loaded based on
 *			  file system timestamps.
 *\li	DNS_R_BADZONE
 *\li	Any result value from dns_db_load().
 */

isc_result_t
dns_zone_asyncload(dns_zone_t *zone, dns_zt_zoneloaded_t done, void *arg);
/*%<
 * Cause the database to be loaded from its backing store asynchronously.
 * Other zone maintenance functions are suspended until this is complete.
 * When finished, 'done' is called to inform the caller, with 'arg' as
 * its first argument and 'zone' as its second.  (Normally, 'arg' is
 * expected to point to the zone table but is left undefined for testing
 * purposes.)
 */

isc_boolean_t
dns__zone_loadpending(dns_zone_t *zone);
/*%<
 * Indicates whether the zone is waiting to be loaded asynchronously.
 * (Not currently intended for use outside of this module and associated
 * tests.)
 */

void
dns_zone_attach(dns_zone_t *source, dns_zone_t **target);
/*%<
 *	Attach '*target' to 'source' incrementing its external
 * 	reference count.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'target' to be non NULL and '*target' to be NULL.
 */

void
dns_zone_detach(dns_zone_t **zonep);
/*%<
 *	Detach from a zone decrementing its external reference count.
 *	If this was the last external reference to the zone it will be
 * 	shut down and eventually freed.
 *
 * Require:
 *\li	'zonep' to point to a valid zone.
 */

void
dns_zone_iattach(dns_zone_t *source, dns_zone_t **target);
/*%<
 *	Attach '*target' to 'source' incrementing its internal
 * 	reference count.  This is intended for use by operations
 * 	such as zone transfers that need to prevent the zone
 * 	object from being freed but not from shutting down.
 *
 * Require:
 *\li	The caller is running in the context of the zone's task.
 *\li	'zone' to be a valid zone.
 *\li	'target' to be non NULL and '*target' to be NULL.
 */

void
dns_zone_idetach(dns_zone_t **zonep);
/*%<
 *	Detach from a zone decrementing its internal reference count.
 *	If there are no more internal or external references to the
 * 	zone, it will be freed.
 *
 * Require:
 *\li	The caller is running in the context of the zone's task.
 *\li	'zonep' to point to a valid zone.
 */

void
dns_zone_setflag(dns_zone_t *zone, unsigned int flags, isc_boolean_t value);
/*%<
 *	Sets ('value' == 'ISC_TRUE') / clears ('value' == 'IS_FALSE')
 *	zone flags.  Valid flag bits are DNS_ZONE_F_*.
 *
 * Requires
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_getdb(dns_zone_t *zone, dns_db_t **dbp);
/*%<
 * 	Attach '*dbp' to the database to if it exists otherwise
 *	return DNS_R_NOTLOADED.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'dbp' to be != NULL && '*dbp' == NULL.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	DNS_R_NOTLOADED
 */

void
dns_zone_setdb(dns_zone_t *zone, dns_db_t *db);
/*%<
 *	Sets the zone database to 'db'.
 *
 *	This function is expected to be used to configure a zone with a
 *	database which is not loaded from a file or zone transfer.
 *	It can be used for a general purpose zone, but right now its use
 *	is limited to static-stub zones to avoid possible undiscovered
 *	problems in the general cases.
 *
 * Require:
 *\li	'zone' to be a valid zone of static-stub.
 *\li	zone doesn't have a database.
 */

isc_result_t
dns_zone_setdbtype(dns_zone_t *zone,
		   unsigned int dbargc, const char * const *dbargv);
/*%<
 *	Sets the database type to dbargv[0] and database arguments
 *	to subsequent dbargv elements.
 *	'db_type' is not checked to see if it is a valid database type.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'database' to be non NULL.
 *\li	'dbargc' to be >= 1
 *\li	'dbargv' to point to dbargc NULL-terminated strings
 *
 * Returns:
 *\li	#ISC_R_NOMEMORY
 *\li	#ISC_R_SUCCESS
 */

isc_result_t
dns_zone_getdbtype(dns_zone_t *zone, char ***argv, isc_mem_t *mctx);
/*%<
 *	Returns the current dbtype.  isc_mem_free() should be used
 * 	to free 'argv' after use.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'argv' to be non NULL and *argv to be NULL.
 *\li	'mctx' to be valid.
 *
 * Returns:
 *\li	#ISC_R_NOMEMORY
 *\li	#ISC_R_SUCCESS
 */

void
dns_zone_markdirty(dns_zone_t *zone);
/*%<
 *	Mark a zone as 'dirty'.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_expire(dns_zone_t *zone);
/*%<
 *	Mark the zone as expired.  If the zone requires dumping cause it to
 *	be initiated.  Set the refresh and retry intervals to there default
 *	values and unload the zone.
 *
 * Require
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_refresh(dns_zone_t *zone);
/*%<
 *	Initiate zone up to date checks.  The zone must already be being
 *	managed.
 *
 * Require
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_flush(dns_zone_t *zone);
/*%<
 *	Write the zone to database if there are uncommitted changes.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_dump(dns_zone_t *zone);
/*%<
 *	Write the zone to database.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_dumptostream(dns_zone_t *zone, FILE *fd);

isc_result_t
dns_zone_dumptostream2(dns_zone_t *zone, FILE *fd, dns_masterformat_t format,
		       const dns_master_style_t *style);
isc_result_t
dns_zone_dumptostream3(dns_zone_t *zone, FILE *fd, dns_masterformat_t format,
		       const dns_master_style_t *style,
		       const isc_uint32_t rawversion);
/*%<
 *    Write the zone to stream 'fd' in the specified 'format'.
 *    If the 'format' is dns_masterformat_text (RFC1035), 'style' also
 *    specifies the file style (e.g., &dns_master_style_default).
 *
 *    dns_zone_dumptostream() is a backward-compatible form of
 *    dns_zone_dumptostream2(), which always uses the dns_masterformat_text
 *    format and the dns_master_style_default style.
 *
 *    dns_zone_dumptostream2() is a backward-compatible form of
 *    dns_zone_dumptostream3(), which always uses the current
 *    default raw file format version.
 *
 *    Note that dns_zone_dumptostream3() is the most flexible form.  It
 *    can also provide the functionality of dns_zone_fulldumptostream().
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'fd' to be a stream open for writing.
 */

isc_result_t
dns_zone_fulldumptostream(dns_zone_t *zone, FILE *fd);
/*%<
 *	The same as dns_zone_dumptostream, but dumps the zone with
 *	different dump settings (dns_master_style_full).
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'fd' to be a stream open for writing.
 */

void
dns_zone_maintenance(dns_zone_t *zone);
/*%<
 *	Perform regular maintenance on the zone.  This is called as a
 *	result of a zone being managed.
 *
 * Require
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
		    isc_uint32_t count);
isc_result_t
dns_zone_setmasterswithkeys(dns_zone_t *zone,
			    const isc_sockaddr_t *masters,
			    dns_name_t **keynames,
			    isc_uint32_t count);
/*%<
 *	Set the list of master servers for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'masters' array of isc_sockaddr_t with port set or NULL.
 *\li	'count' the number of masters.
 *\li      'keynames' array of dns_name_t's for tsig keys or NULL.
 *
 *  \li    dns_zone_setmasters() is just a wrapper to setmasterswithkeys(),
 *      passing NULL in the keynames field.
 *
 * \li	If 'masters' is NULL then 'count' must be zero.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMEMORY
 *\li      Any result dns_name_dup() can return, if keynames!=NULL
 */

isc_result_t
dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify,
		       isc_uint32_t count);
isc_result_t
dns_zone_setalsonotifywithkeys(dns_zone_t *zone, const isc_sockaddr_t *notify,
							   dns_name_t **keynames, isc_uint32_t count);
/*%<
 *	Set the list of additional servers to be notified when
 *	a zone changes.	 To clear the list use 'count = 0'.
 *
 *	dns_zone_alsonotifywithkeys() allows each notify address to
 *	be associated with a TSIG key.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'notify' to be non-NULL if count != 0.
 *\li	'count' to be the number of notifiees.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMEMORY
 */

void
dns_zone_unload(dns_zone_t *zone);
/*%<
 *	detach the database from the zone structure.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_setoption(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
/*%<
 *	Set given options on ('value' == ISC_TRUE) or off ('value' ==
 *	#ISC_FALSE).
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

unsigned int
dns_zone_getoptions(dns_zone_t *zone);
/*%<
 *	Returns the current zone options.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_setkeyopt(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
/*%<
 *	Set key options on ('value' == ISC_TRUE) or off ('value' ==
 *	#ISC_FALSE).
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

unsigned int
dns_zone_getkeyopts(dns_zone_t *zone);
/*%<
 *	Returns the current zone key options.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_setminrefreshtime(dns_zone_t *zone, isc_uint32_t val);
/*%<
 *	Set the minimum refresh time.
 *
 * Requires:
 *\li	'zone' is valid.
 *\li	val > 0.
 */

void
dns_zone_setmaxrefreshtime(dns_zone_t *zone, isc_uint32_t val);
/*%<
 *	Set the maximum refresh time.
 *
 * Requires:
 *\li	'zone' is valid.
 *\li	val > 0.
 */

void
dns_zone_setminretrytime(dns_zone_t *zone, isc_uint32_t val);
/*%<
 *	Set the minimum retry time.
 *
 * Requires:
 *\li	'zone' is valid.
 *\li	val > 0.
 */

void
dns_zone_setmaxretrytime(dns_zone_t *zone, isc_uint32_t val);
/*%<
 *	Set the maximum retry time.
 *
 * Requires:
 *\li	'zone' is valid.
 *	val > 0.
 */

isc_result_t
dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource);
isc_result_t
dns_zone_setaltxfrsource4(dns_zone_t *zone,
			  const isc_sockaddr_t *xfrsource);
/*%<
 * 	Set the source address to be used in IPv4 zone transfers.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'xfrsource' to contain the address.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 */

isc_sockaddr_t *
dns_zone_getxfrsource4(dns_zone_t *zone);
isc_sockaddr_t *
dns_zone_getaltxfrsource4(dns_zone_t *zone);
/*%<
 *	Returns the source address set by a previous dns_zone_setxfrsource4
 *	call, or the default of inaddr_any, port 0.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource);
isc_result_t
dns_zone_setaltxfrsource6(dns_zone_t *zone,
			  const isc_sockaddr_t *xfrsource);
/*%<
 * 	Set the source address to be used in IPv6 zone transfers.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'xfrsource' to contain the address.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 */

isc_sockaddr_t *
dns_zone_getxfrsource6(dns_zone_t *zone);
isc_sockaddr_t *
dns_zone_getaltxfrsource6(dns_zone_t *zone);
/*%<
 *	Returns the source address set by a previous dns_zone_setxfrsource6
 *	call, or the default of in6addr_any, port 0.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc);
/*%<
 * 	Set the source address to be used with IPv4 NOTIFY messages.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'notifysrc' to contain the address.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 */

isc_sockaddr_t *
dns_zone_getnotifysrc4(dns_zone_t *zone);
/*%<
 *	Returns the source address set by a previous dns_zone_setnotifysrc4
 *	call, or the default of inaddr_any, port 0.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc);
/*%<
 * 	Set the source address to be used with IPv6 NOTIFY messages.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'notifysrc' to contain the address.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 */

isc_sockaddr_t *
dns_zone_getnotifysrc6(dns_zone_t *zone);
/*%<
 *	Returns the source address set by a previous dns_zone_setnotifysrc6
 *	call, or the default of in6addr_any, port 0.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_setnotifyacl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the notify acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be a valid acl.
 */

void
dns_zone_setqueryacl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the query acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be a valid acl.
 */

void
dns_zone_setqueryonacl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the query-on acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be a valid acl.
 */

void
dns_zone_setupdateacl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the update acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be valid acl.
 */

void
dns_zone_setforwardacl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the forward unsigned updates acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be valid acl.
 */

void
dns_zone_setxfracl(dns_zone_t *zone, dns_acl_t *acl);
/*%<
 *	Sets the transfer acl list for the zone.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'acl' to be valid acl.
 */

dns_acl_t *
dns_zone_getnotifyacl(dns_zone_t *zone);
/*%<
 * 	Returns the current notify acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

dns_acl_t *
dns_zone_getqueryacl(dns_zone_t *zone);
/*%<
 * 	Returns the current query acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

dns_acl_t *
dns_zone_getqueryonacl(dns_zone_t *zone);
/*%<
 * 	Returns the current query-on acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

dns_acl_t *
dns_zone_getupdateacl(dns_zone_t *zone);
/*%<
 * 	Returns the current update acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

dns_acl_t *
dns_zone_getforwardacl(dns_zone_t *zone);
/*%<
 * 	Returns the current forward unsigned updates acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

dns_acl_t *
dns_zone_getxfracl(dns_zone_t *zone);
/*%<
 * 	Returns the current transfer acl or NULL.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	acl a pointer to the acl.
 *\li	NULL
 */

void
dns_zone_clearupdateacl(dns_zone_t *zone);
/*%<
 *	Clear the current update acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_clearforwardacl(dns_zone_t *zone);
/*%<
 *	Clear the current forward unsigned updates acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_clearnotifyacl(dns_zone_t *zone);
/*%<
 *	Clear the current notify acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_clearqueryacl(dns_zone_t *zone);
/*%<
 *	Clear the current query acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_clearqueryonacl(dns_zone_t *zone);
/*%<
 *	Clear the current query-on acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_clearxfracl(dns_zone_t *zone);
/*%<
 *	Clear the current transfer acl.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

isc_boolean_t
dns_zone_getupdatedisabled(dns_zone_t *zone);
/*%<
 * Return update disabled.
 * Transient unless called when running in isc_task_exclusive() mode.
 */

void
dns_zone_setupdatedisabled(dns_zone_t *zone, isc_boolean_t state);
/*%<
 * Set update disabled.
 * Should only be called only when running in isc_task_exclusive() mode.
 * Failure to do so may result in updates being committed after the
 * call has been made.
 */

isc_boolean_t
dns_zone_getzeronosoattl(dns_zone_t *zone);
/*%<
 * Return zero-no-soa-ttl status.
 */

void
dns_zone_setzeronosoattl(dns_zone_t *zone, isc_boolean_t state);
/*%<
 * Set zero-no-soa-ttl status.
 */

void
dns_zone_setchecknames(dns_zone_t *zone, dns_severity_t severity);
/*%<
 * 	Set the severity of name checking when loading a zone.
 *
 * Require:
 * \li     'zone' to be a valid zone.
 */

dns_severity_t
dns_zone_getchecknames(dns_zone_t *zone);
/*%<
 *	Return the current severity of name checking.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 */

void
dns_zone_setjournalsize(dns_zone_t *zone, isc_int32_t size);
/*%<
 *	Sets the journal size for the zone.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 */

isc_int32_t
dns_zone_getjournalsize(dns_zone_t *zone);
/*%<
 *	Return the journal size as set with a previous call to
 *	dns_zone_setjournalsize().
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from,
		       dns_message_t *msg);
/*%<
 *	Tell the zone that it has received a NOTIFY message from another
 *	server.  This may cause some zone maintenance activity to occur.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 *\li	'*from' to contain the address of the server from which 'msg'
 *		was received.
 *\li	'msg' a message with opcode NOTIFY and qr clear.
 *
 * Returns:
 *\li	DNS_R_REFUSED
 *\li	DNS_R_NOTIMP
 *\li	DNS_R_FORMERR
 *\li	DNS_R_SUCCESS
 */

void
dns_zone_setmaxxfrin(dns_zone_t *zone, isc_uint32_t maxxfrin);
/*%<
 * Set the maximum time (in seconds) that a zone transfer in (AXFR/IXFR)
 * of this zone will use before being aborted.
 *
 * Requires:
 * \li	'zone' to be valid initialised zone.
 */

isc_uint32_t
dns_zone_getmaxxfrin(dns_zone_t *zone);
/*%<
 * Returns the maximum transfer time for this zone.  This will be
 * either the value set by the last call to dns_zone_setmaxxfrin() or
 * the default value of 1 hour.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 */

void
dns_zone_setmaxxfrout(dns_zone_t *zone, isc_uint32_t maxxfrout);
/*%<
 * Set the maximum time (in seconds) that a zone transfer out (AXFR/IXFR)
 * of this zone will use before being aborted.
 *
 * Requires:
 * \li	'zone' to be valid initialised zone.
 */

isc_uint32_t
dns_zone_getmaxxfrout(dns_zone_t *zone);
/*%<
 * Returns the maximum transfer time for this zone.  This will be
 * either the value set by the last call to dns_zone_setmaxxfrout() or
 * the default value of 1 hour.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 */

isc_result_t
dns_zone_setjournal(dns_zone_t *zone, const char *journal);
/*%<
 * Sets the filename used for journaling updates / IXFR transfers.
 * The default journal name is set by dns_zone_setfile() to be
 * "file.jnl".  If 'journal' is NULL, the zone will have no
 * journal name.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMEMORY
 */

char *
dns_zone_getjournal(dns_zone_t *zone);
/*%<
 * Returns the journal name associated with this zone.
 * If no journal has been set this will be NULL.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 */

dns_zonetype_t
dns_zone_gettype(dns_zone_t *zone);
/*%<
 * Returns the type of the zone (master/slave/etc.)
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 */

void
dns_zone_settask(dns_zone_t *zone, isc_task_t *task);
/*%<
 * Give a zone a task to work with.  Any current task will be detached.
 *
 * Requires:
 *\li	'zone' to be valid.
 *\li	'task' to be valid.
 */

void
dns_zone_gettask(dns_zone_t *zone, isc_task_t **target);
/*%<
 * Attach '*target' to the zone's task.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 *\li	'zone' to have a task.
 *\li	'target' to be != NULL && '*target' == NULL.
 */

void
dns_zone_notify(dns_zone_t *zone);
/*%<
 * Generate notify events for this zone.
 *
 * Requires:
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump);
/*%<
 * Replace the database of "zone" with a new database "db".
 *
 * If "dump" is ISC_TRUE, then the new zone contents are dumped
 * into to the zone's master file for persistence.  When replacing
 * a zone database by one just loaded from a master file, set
 * "dump" to ISC_FALSE to avoid a redundant redump of the data just
 * loaded.  Otherwise, it should be set to ISC_TRUE.
 *
 * If the "diff-on-reload" option is enabled in the configuration file,
 * the differences between the old and the new database are added to the
 * journal file, and the master file dump is postponed.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 *
 * Returns:
 * \li	DNS_R_SUCCESS
 * \li	DNS_R_BADZONE	zone failed basic consistency checks:
 *			* a single SOA must exist
 *			* some NS records must exist.
 *	Others
 */

isc_uint32_t
dns_zone_getidlein(dns_zone_t *zone);
/*%<
 * Requires:
 * \li	'zone' to be a valid zone.
 *
 * Returns:
 * \li	number of seconds of idle time before we abort the transfer in.
 */

void
dns_zone_setidlein(dns_zone_t *zone, isc_uint32_t idlein);
/*%<
 * \li	Set the idle timeout for transfer the.
 * \li	Zero set the default value, 1 hour.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

isc_uint32_t
dns_zone_getidleout(dns_zone_t *zone);
/*%<
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 *
 * Returns:
 * \li	number of seconds of idle time before we abort a transfer out.
 */

void
dns_zone_setidleout(dns_zone_t *zone, isc_uint32_t idleout);
/*%<
 * \li	Set the idle timeout for transfers out.
 * \li	Zero set the default value, 1 hour.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

void
dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table);
/*%<
 * Get the simple-secure-update policy table.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

void
dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table);
/*%<
 * Set / clear the simple-secure-update policy table.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

isc_mem_t *
dns_zone_getmctx(dns_zone_t *zone);
/*%<
 * Get the memory context of a zone.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

dns_zonemgr_t *
dns_zone_getmgr(dns_zone_t *zone);
/*%<
 *	If 'zone' is managed return the zone manager otherwise NULL.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

void
dns_zone_setsigvalidityinterval(dns_zone_t *zone, isc_uint32_t interval);
/*%<
 * Set the zone's RRSIG validity interval.  This is the length of time
 * for which DNSSEC signatures created as a result of dynamic updates
 * to secure zones will remain valid, in seconds.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

isc_uint32_t
dns_zone_getsigvalidityinterval(dns_zone_t *zone);
/*%<
 * Get the zone's RRSIG validity interval.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

void
dns_zone_setsigresigninginterval(dns_zone_t *zone, isc_uint32_t interval);
/*%<
 * Set the zone's RRSIG re-signing interval.  A dynamic zone's RRSIG's
 * will be re-signed 'interval' amount of time before they expire.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

isc_uint32_t
dns_zone_getsigresigninginterval(dns_zone_t *zone);
/*%<
 * Get the zone's RRSIG re-signing interval.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 */

void
dns_zone_setnotifytype(dns_zone_t *zone, dns_notifytype_t notifytype);
/*%<
 * Sets zone notify method to "notifytype"
 */

isc_result_t
dns_zone_forwardupdate(dns_zone_t *zone, dns_message_t *msg,
		       dns_updatecallback_t callback, void *callback_arg);
/*%<
 * Forward 'msg' to each master in turn until we get an answer or we
 * have exhausted the list of masters. 'callback' will be called with
 * ISC_R_SUCCESS if we get an answer and the returned message will be
 * passed as 'answer_message', otherwise a non ISC_R_SUCCESS result code
 * will be passed and answer_message will be NULL.  The callback function
 * is responsible for destroying 'answer_message'.
 *		(callback)(callback_arg, result, answer_message);
 *
 * Require:
 *\li	'zone' to be valid
 *\li	'msg' to be valid.
 *\li	'callback' to be non NULL.
 * Returns:
 *\li	#ISC_R_SUCCESS if the message has been forwarded,
 *\li	#ISC_R_NOMEMORY
 *\li	Others
 */

isc_result_t
dns_zone_next(dns_zone_t *zone, dns_zone_t **next);
/*%<
 * Find the next zone in the list of managed zones.
 *
 * Requires:
 *\li	'zone' to be valid
 *\li	The zone manager for the indicated zone MUST be locked
 *	by the caller.  This is not checked.
 *\li	'next' be non-NULL, and '*next' be NULL.
 *
 * Ensures:
 *\li	'next' points to a valid zone (result ISC_R_SUCCESS) or to NULL
 *	(result ISC_R_NOMORE).
 */



isc_result_t
dns_zone_first(dns_zonemgr_t *zmgr, dns_zone_t **first);
/*%<
 * Find the first zone in the list of managed zones.
 *
 * Requires:
 *\li	'zonemgr' to be valid
 *\li	The zone manager for the indicated zone MUST be locked
 *	by the caller.  This is not checked.
 *\li	'first' be non-NULL, and '*first' be NULL
 *
 * Ensures:
 *\li	'first' points to a valid zone (result ISC_R_SUCCESS) or to NULL
 *	(result ISC_R_NOMORE).
 */

isc_result_t
dns_zone_setkeydirectory(dns_zone_t *zone, const char *directory);
/*%<
 *	Sets the name of the directory where private keys used for
 *	online signing of dynamic zones are found.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *
 * Returns:
 *\li	#ISC_R_NOMEMORY
 *\li	#ISC_R_SUCCESS
 */

const char *
dns_zone_getkeydirectory(dns_zone_t *zone);
/*%<
 * 	Gets the name of the directory where private keys used for
 *	online signing of dynamic zones are found.
 *
 * Requires:
 *\li	'zone' to be valid initialised zone.
 *
 * Returns:
 *	Pointer to null-terminated file name, or NULL.
 */


isc_result_t
dns_zonemgr_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
		   isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr,
		   dns_zonemgr_t **zmgrp);
/*%<
 * Create a zone manager.  Note: the zone manager will not be able to
 * manage any zones until dns_zonemgr_setsize() has been run.
 *
 * Requires:
 *\li	'mctx' to be a valid memory context.
 *\li	'taskmgr' to be a valid task manager.
 *\li	'timermgr' to be a valid timer manager.
 *\li	'zmgrp'	to point to a NULL pointer.
 */

isc_result_t
dns_zonemgr_setsize(dns_zonemgr_t *zmgr, int num_zones);
/*%<
 *	Set the size of the zone manager task pool.  This must be run
 *	before zmgr can be used for managing zones.  Currently, it can only
 *	be run once; the task pool cannot be resized.
 *
 * Requires:
 *\li	zmgr is a valid zone manager.
 *\li	zmgr->zonetasks has been initialized.
 */

isc_result_t
dns_zonemgr_createzone(dns_zonemgr_t *zmgr, dns_zone_t **zonep);
/*%<
 *	Allocate a new zone using a memory context from the
 *	zone manager's memory context pool.
 *
 * Require:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'zonep' != NULL and '*zonep' == NULL.
 */


isc_result_t
dns_zonemgr_managezone(dns_zonemgr_t *zmgr, dns_zone_t *zone);
/*%<
 *	Bring the zone under control of a zone manager.
 *
 * Require:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'zone' to be a valid zone.
 */

isc_result_t
dns_zonemgr_forcemaint(dns_zonemgr_t *zmgr);
/*%<
 * Force zone maintenance of all zones managed by 'zmgr' at its
 * earliest convenience.
 */

void
dns__zonemgr_run(isc_task_t *task, isc_event_t *event);
/*%<
 * Event handler to call dns_zonemgr_forcemaint(); used to start
 * zone operations from a unit test.  Not intended for use outside
 * libdns or related tests.
 */

void
dns_zonemgr_resumexfrs(dns_zonemgr_t *zmgr);
/*%<
 * Attempt to start any stalled zone transfers.
 */

void
dns_zonemgr_shutdown(dns_zonemgr_t *zmgr);
/*%<
 *	Shut down the zone manager.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

void
dns_zonemgr_attach(dns_zonemgr_t *source, dns_zonemgr_t **target);
/*%<
 *	Attach '*target' to 'source' incrementing its external
 * 	reference count.
 *
 * Require:
 *\li	'zone' to be a valid zone.
 *\li	'target' to be non NULL and '*target' to be NULL.
 */

void
dns_zonemgr_detach(dns_zonemgr_t **zmgrp);
/*%<
 *	 Detach from a zone manager.
 *
 * Requires:
 *\li	'*zmgrp' is a valid, non-NULL zone manager pointer.
 *
 * Ensures:
 *\li	'*zmgrp' is NULL.
 */

void
dns_zonemgr_releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone);
/*%<
 *	Release 'zone' from the managed by 'zmgr'.  'zmgr' is implicitly
 *	detached from 'zone'.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'zone' to be a valid zone.
 *\li	'zmgr' == 'zone->zmgr'
 *
 * Ensures:
 *\li	'zone->zmgr' == NULL;
 */

void
dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, isc_uint32_t value);
/*%<
 *	Set the maximum number of simultaneous transfers in allowed by
 *	the zone manager.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

isc_uint32_t
dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr);
/*%<
 *	Return the maximum number of simultaneous transfers in allowed.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

void
dns_zonemgr_settransfersperns(dns_zonemgr_t *zmgr, isc_uint32_t value);
/*%<
 *	Set the number of zone transfers allowed per nameserver.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager
 */

isc_uint32_t
dns_zonemgr_getttransfersperns(dns_zonemgr_t *zmgr);
/*%<
 *	Return the number of transfers allowed per nameserver.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

void
dns_zonemgr_setiolimit(dns_zonemgr_t *zmgr, isc_uint32_t iolimit);
/*%<
 *	Set the number of simultaneous file descriptors available for
 *	reading and writing masterfiles.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'iolimit' to be positive.
 */

isc_uint32_t
dns_zonemgr_getiolimit(dns_zonemgr_t *zmgr);
/*%<
 *	Get the number of simultaneous file descriptors available for
 *	reading and writing masterfiles.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

void
dns_zonemgr_setserialqueryrate(dns_zonemgr_t *zmgr, unsigned int value);
/*%<
 *	Set the number of SOA queries sent per second.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager
 */

unsigned int
dns_zonemgr_getserialqueryrate(dns_zonemgr_t *zmgr);
/*%<
 *	Return the number of SOA queries sent per second.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 */

unsigned int
dns_zonemgr_getcount(dns_zonemgr_t *zmgr, int state);
/*%<
 *	Returns the number of zones in the specified state.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'state' to be a valid DNS_ZONESTATE_ constant.
 */

void
dns_zonemgr_unreachableadd(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
			   isc_sockaddr_t *local, isc_time_t *now);
/*%<
 *	Add the pair of addresses to the unreachable cache.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'remote' to be a valid sockaddr.
 *\li	'local' to be a valid sockaddr.
 */

isc_boolean_t
dns_zonemgr_unreachable(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
			isc_sockaddr_t *local, isc_time_t *now);
/*%<
 *	Returns ISC_TRUE if the given local/remote address pair
 *	is found in the zone maanger's unreachable cache.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'remote' to be a valid sockaddr.
 *\li	'local' to be a valid sockaddr.
 *\li	'now' != NULL
 */

void
dns_zonemgr_unreachabledel(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
			   isc_sockaddr_t *local);
/*%<
 *	Remove the pair of addresses from the unreachable cache.
 *
 * Requires:
 *\li	'zmgr' to be a valid zone manager.
 *\li	'remote' to be a valid sockaddr.
 *\li	'local' to be a valid sockaddr.
 */

void
dns_zone_forcereload(dns_zone_t *zone);
/*%<
 *      Force a reload of specified zone.
 *
 * Requires:
 *\li      'zone' to be a valid zone.
 */

isc_boolean_t
dns_zone_isforced(dns_zone_t *zone);
/*%<
 *      Check if the zone is waiting a forced reload.
 *
 * Requires:
 * \li     'zone' to be a valid zone.
 */

isc_result_t
dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on);
/*%<
 * This function is obsoleted by dns_zone_setrequeststats().
 */

isc_uint64_t *
dns_zone_getstatscounters(dns_zone_t *zone);
/*%<
 * This function is obsoleted by dns_zone_getrequeststats().
 */

void
dns_zone_setstats(dns_zone_t *zone, isc_stats_t *stats);
/*%<
 * Set a general zone-maintenance statistics set 'stats' for 'zone'.  This
 * function is expected to be called only on zone creation (when necessary).
 * Once installed, it cannot be removed or replaced.  Also, there is no
 * interface to get the installed stats from the zone; the caller must keep the
 * stats to reference (e.g. dump) it later.
 *
 * Requires:
 * \li	'zone' to be a valid zone and does not have a statistics set already
 *	installed.
 *
 *\li	stats is a valid statistics supporting zone statistics counters
 *	(see dns/stats.h).
 */

void
dns_zone_setrequeststats(dns_zone_t *zone, isc_stats_t *stats);

void
dns_zone_setrcvquerystats(dns_zone_t *zone, dns_stats_t *stats);
/*%<
 * Set additional statistics sets to zone.  These are attached to the zone
 * but are not counted in the zone module; only the caller updates the
 * counters.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 *
 *\li	stats is a valid statistics.
 */

#ifdef NEWSTATS
void
dns_zone_setrcvquerystats(dns_zone_t *zone, dns_stats_t *stats);
#endif

isc_stats_t *
dns_zone_getrequeststats(dns_zone_t *zone);

#ifdef NEWSTATS
dns_stats_t *
dns_zone_getrcvquerystats(dns_zone_t *zone);
#endif

/*%<
 * Get the additional statistics for zone, if one is installed.
 *
 * Requires:
 * \li	'zone' to be a valid zone.
 *
 * Returns:
 * \li	when available, a pointer to the statistics set installed in zone;
 *	otherwise NULL.
 */

void
dns_zone_dialup(dns_zone_t *zone);
/*%<
 * Perform dialup-time maintenance on 'zone'.
 */

void
dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup);
/*%<
 * Set the dialup type of 'zone' to 'dialup'.
 *
 * Requires:
 * \li	'zone' to be valid initialised zone.
 *\li	'dialup' to be a valid dialup type.
 */

void
dns_zone_log(dns_zone_t *zone, int level, const char *msg, ...)
	ISC_FORMAT_PRINTF(3, 4);
/*%<
 * Log the message 'msg...' at 'level', including text that identifies
 * the message as applying to 'zone'.
 */

void
dns_zone_logc(dns_zone_t *zone, isc_logcategory_t *category, int level,
	      const char *msg, ...) ISC_FORMAT_PRINTF(4, 5);
/*%<
 * Log the message 'msg...' at 'level', including text that identifies
 * the message as applying to 'zone'.
 */

void
dns_zone_name(dns_zone_t *zone, char *buf, size_t len);
/*%<
 * Return the name of the zone with class and view.
 *
 * Requires:
 *\li	'zone' to be valid.
 *\li	'buf' to be non NULL.
 */

isc_result_t
dns_zone_checknames(dns_zone_t *zone, dns_name_t *name, dns_rdata_t *rdata);
/*%<
 * Check if this record meets the check-names policy.
 *
 * Requires:
 *	'zone' to be valid.
 *	'name' to be valid.
 *	'rdata' to be valid.
 *
 * Returns:
 *	DNS_R_SUCCESS		passed checks.
 *	DNS_R_BADOWNERNAME	failed ownername checks.
 *	DNS_R_BADNAME		failed rdata checks.
 */

void
dns_zone_setacache(dns_zone_t *zone, dns_acache_t *acache);
/*%<
 *	Associate the zone with an additional cache.
 *
 * Require:
 *	'zone' to be a valid zone.
 *	'acache' to be a non NULL pointer.
 *
 * Ensures:
 *	'zone' will have a reference to 'acache'
 */

void
dns_zone_setcheckmx(dns_zone_t *zone, dns_checkmxfunc_t checkmx);
/*%<
 *	Set the post load integrity callback function 'checkmx'.
 *	'checkmx' will be called if the MX TARGET is not within the zone.
 *
 * Require:
 *	'zone' to be a valid zone.
 */

void
dns_zone_setchecksrv(dns_zone_t *zone, dns_checkmxfunc_t checksrv);
/*%<
 *	Set the post load integrity callback function 'checksrv'.
 *	'checksrv' will be called if the SRV TARGET is not within the zone.
 *
 * Require:
 *	'zone' to be a valid zone.
 */

void
dns_zone_setcheckns(dns_zone_t *zone, dns_checknsfunc_t checkns);
/*%<
 *	Set the post load integrity callback function 'checkns'.
 *	'checkns' will be called if the NS TARGET is not within the zone.
 *
 * Require:
 *	'zone' to be a valid zone.
 */

void
dns_zone_setnotifydelay(dns_zone_t *zone, isc_uint32_t delay);
/*%<
 * Set the minimum delay between sets of notify messages.
 *
 * Requires:
 *	'zone' to be valid.
 */

isc_uint32_t
dns_zone_getnotifydelay(dns_zone_t *zone);
/*%<
 * Get the minimum delay between sets of notify messages.
 *
 * Requires:
 *	'zone' to be valid.
 */

void
dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg);
/*%<
 * Set the isself callback function and argument.
 *
 * isc_boolean_t
 * isself(dns_view_t *myview, dns_tsigkey_t *mykey, isc_netaddr_t *srcaddr,
 *	  isc_netaddr_t *destaddr, dns_rdataclass_t rdclass, void *arg);
 *
 * 'isself' returns ISC_TRUE if a non-recursive query from 'srcaddr' to
 * 'destaddr' with optional key 'mykey' for class 'rdclass' would be
 * delivered to 'myview'.
 */

void
dns_zone_setnodes(dns_zone_t *zone, isc_uint32_t nodes);
/*%<
 * Set the number of nodes that will be checked per quantum.
 */

void
dns_zone_setsignatures(dns_zone_t *zone, isc_uint32_t signatures);
/*%<
 * Set the number of signatures that will be generated per quantum.
 */

isc_result_t
dns_zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm,
		     isc_uint16_t keyid, isc_boolean_t deleteit);
/*%<
 * Initiate/resume signing of the entire zone with the zone DNSKEY(s)
 * that match the given algorithm and keyid.
 */

isc_result_t
dns_zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param);
/*%<
 * Incrementally add a NSEC3 chain that corresponds to 'nsec3param'.
 */

void
dns_zone_setprivatetype(dns_zone_t *zone, dns_rdatatype_t type);
dns_rdatatype_t
dns_zone_getprivatetype(dns_zone_t *zone);
/*
 * Get/Set the private record type.  It is expected that these interfaces
 * will not be permanent.
 */

void
dns_zone_rekey(dns_zone_t *zone, isc_boolean_t fullsign);
/*%<
 * Update the zone's DNSKEY set from the key repository.
 *
 * If 'fullsign' is true, trigger an immediate full signing of
 * the zone with the new key.  Otherwise, if there are no keys or
 * if the new keys are for algorithms that have already signed the
 * zone, then the zone can be re-signed incrementally.
 */

isc_result_t
dns_zone_nscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
		 unsigned int *errors);
/*%
 * Check if the name servers for the zone are sane (have address, don't
 * refer to CNAMEs/DNAMEs.  The number of constiancy errors detected in
 * returned in '*errors'
 *
 * Requires:
 * \li	'zone' to be valid.
 * \li	'db' to be valid.
 * \li	'version' to be valid or NULL.
 * \li	'errors' to be non NULL.
 *
 * Returns:
 * 	ISC_R_SUCCESS if there were no errors examining the zone contents.
 */

void
dns_zone_setadded(dns_zone_t *zone, isc_boolean_t added);
/*%
 * Sets the value of zone->added, which should be ISC_TRUE for
 * zones that were originally added by "rndc addzone".
 *
 * Requires:
 * \li	'zone' to be valid.
 */

isc_boolean_t
dns_zone_getadded(dns_zone_t *zone);
/*%
 * Returns ISC_TRUE if the zone was originally added at runtime
 * using "rndc addzone".
 *
 * Requires:
 * \li	'zone' to be valid.
 */

isc_result_t
dns_zone_dlzpostload(dns_zone_t *zone, dns_db_t *db);
/*%
 * Load the origin names for a writeable DLZ database.
 */

isc_boolean_t
dns_zone_isdynamic(dns_zone_t *zone, isc_boolean_t ignore_freeze);
/*%
 * Return true iff the zone is "dynamic", in the sense that the zone's
 * master file (if any) is written by the server, rather than being
 * updated manually and read by the server.
 *
 * This is true for slave zones, stub zones, key zones, and zones that
 * allow dynamic updates either by having an update policy ("ssutable")
 * or an "allow-update" ACL with a value other than exactly "{ none; }".
 *
 * If 'ignore_freeze' is true, then the zone which has had updates disabled
 * will still report itself to be dynamic.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

isc_result_t
dns_zone_setrefreshkeyinterval(dns_zone_t *zone, isc_uint32_t interval);
/*%
 * Sets the frequency, in minutes, with which the key repository will be
 * checked to see if the keys for this zone have been updated.  Any value
 * higher than 1440 minutes (24 hours) will be silently reduced.  A
 * value of zero will return an out-of-range error.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

isc_boolean_t
dns_zone_getrequestixfr(dns_zone_t *zone);
/*%
 * Returns the true/false value of the request-ixfr option in the zone.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

void
dns_zone_setrequestixfr(dns_zone_t *zone, isc_boolean_t flag);
/*%
 * Sets the request-ixfr option for the zone. Either true or false. The
 * default value is determined by the setting of this option in the view.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

void
dns_zone_setserialupdatemethod(dns_zone_t *zone, dns_updatemethod_t method);
/*%
 * Sets the update method to use when incrementing the zone serial number
 * due to a DDNS update.  Valid options are dns_updatemethod_increment
 * and dns_updatemethod_unixtime.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

dns_updatemethod_t
dns_zone_getserialupdatemethod(dns_zone_t *zone);
/*%
 * Returns the update method to be used when incrementing the zone serial
 * number due to a DDNS update.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

isc_result_t
dns_zone_link(dns_zone_t *zone, dns_zone_t *raw);

void
dns_zone_getraw(dns_zone_t *zone, dns_zone_t **raw);

isc_result_t
dns_zone_keydone(dns_zone_t *zone, const char *data);

isc_result_t
dns_zone_setnsec3param(dns_zone_t *zone, isc_uint8_t hash, isc_uint8_t flags,
		       isc_uint16_t iter, isc_uint8_t saltlen,
		       unsigned char *salt, isc_boolean_t replace);
/*%
 * Set the NSEC3 parameters for the zone.
 *
 * If 'replace' is ISC_TRUE, then the existing NSEC3 chain, if any, will
 * be replaced with the new one.  If 'hash' is zero, then the replacement
 * chain will be NSEC rather than NSEC3.
 *
 * Requires:
 * \li	'zone' to be valid.
 */

void
dns_zone_setrawdata(dns_zone_t *zone, dns_masterrawheader_t *header);
/*%
 * Set the data to be included in the header when the zone is dumped in
 * binary format.
 */

isc_result_t
dns_zone_synckeyzone(dns_zone_t *zone);
/*%
 * Force the managed key zone to synchronize, and start the key
 * maintenance timer.
 */

isc_result_t
dns_zone_rpz_enable(dns_zone_t *zone);
/*%
 * Set the response policy associated with a zone.
 */

isc_result_t
dns_zone_rpz_enable_db(dns_zone_t *zone, dns_db_t *db);
/*%
 * If a zone is a response policy zone, mark its new database.
 */

isc_boolean_t
dns_zone_get_rpz(dns_zone_t *zone);

void
dns_zone_setstatlevel(dns_zone_t *zone, dns_zonestat_level_t level);

dns_zonestat_level_t
dns_zone_getstatlevel(dns_zone_t *zone);
/*%
 * Set and get the statistics reporting level for the zone;
 * full, terse, or none.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_ZONE_H */