bin/named/server.c

	server.c revision 92583b722bfdcc5714dfd77711c54fee55f51c5d
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews/*
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * Copyright (C) 1999  Internet Software Consortium.
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews *
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * Permission to use, copy, modify, and distribute this software for any
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * purpose with or without fee is hereby granted, provided that the above
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * copyright notice and this permission notice appear in all copies.
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews *
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews * SOFTWARE.
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews */
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <config.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence#include <stdio.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <stdlib.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <unistd.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <string.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <isc/assertions.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <isc/error.h>
8b61d2012063306528286680bd9f086fa868d86eMark Andrews#include <isc/rwlock.h>
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews#include <isc/mem.h>
19d1b1667d073850d4366352aaf8319efc5debeeBrian Wellington#include <isc/task.h>
19d1b1667d073850d4366352aaf8319efc5debeeBrian Wellington#include <isc/thread.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <isc/result.h>
09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#include <isc/socket.h>
19d1b1667d073850d4366352aaf8319efc5debeeBrian Wellington#include <isc/timer.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <isc/app.h>
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/types.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/result.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/master.h>
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews#include <dns/name.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/fixedname.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/rdata.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/rdatalist.h>
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews#include <dns/rdataset.h>
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews#include <dns/rdatasetiter.h>
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews#include <dns/compress.h>
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews#include <dns/db.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <dns/dbtable.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <dns/message.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <dns/journal.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <dns/view.h>
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews#include <named/types.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <named/globals.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <named/rootns.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <named/server.h>
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include <named/xfrin.h>
46993e1d9d18410a5852b7d990338b70b158855cMichael Graff
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff#include "../../isc/util.h"     /* XXXRTH */
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graffstatic isc_task_t *     server_task;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graffstatic dns_db_t *       version_db;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graffstatic dns_view_t *     version_view;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graffstatic dns_result_t
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graffload(ns_dbinfo_t *dbi, char *view_name) {
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_fixedname_t forigin;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_name_t *origin;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_result_t result;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    isc_buffer_t source;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    size_t len;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    dns_view_t *view;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    /*
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff     * XXXRTH  View list code will move to its own module soon.
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff     */
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    RWLOCK(&ns_g_viewlock, isc_rwlocktype_read);
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    for (view = ISC_LIST_HEAD(ns_g_viewlist);
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff         view != NULL;
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff         view = ISC_LIST_NEXT(view, link)) {
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff        if (strcasecmp(view_name, view->name) == 0) {
0f80bfec687db08a6e6ce945ef1d818da06c7ca9Brian Wellington            dns_view_attach(view, &dbi->view);
19d1b1667d073850d4366352aaf8319efc5debeeBrian Wellington            break;
19d1b1667d073850d4366352aaf8319efc5debeeBrian Wellington        }
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews    }
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    RWUNLOCK(&ns_g_viewlock, isc_rwlocktype_read);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    if (view == NULL)
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        return (DNS_R_NOTFOUND);
7ed73313b1c129c7134d7d33beb82c85bd6d1df4Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    len = strlen(dbi->origin);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    isc_buffer_init(&source, dbi->origin, len, ISC_BUFFERTYPE_TEXT);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    isc_buffer_add(&source, len);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    dns_fixedname_init(&forigin);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    origin = dns_fixedname_name(&forigin);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = dns_name_fromtext(origin, &source, dns_rootname, ISC_FALSE,
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                   NULL);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != DNS_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto view_detach;
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    result = dns_db_create(ns_g_mctx, "rbt", origin, dbi->iscache,
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews                   view->rdclass, 0, NULL, &dbi->db);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != DNS_R_SUCCESS)
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        goto view_detach;
59abb512d344bfa09012cc11b7d814966f035da4Mark Andrews
59abb512d344bfa09012cc11b7d814966f035da4Mark Andrews    printf("loading %s (%s)\n", dbi->path, dbi->origin);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    result = dns_db_load(dbi->db, dbi->path);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    if (result != DNS_R_SUCCESS) {
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        if (dbi->isslave) {
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews            /* Ignore the error, just leave dbi->db == NULL. */
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews            dns_db_detach(&dbi->db);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews            return (DNS_R_SUCCESS);
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        } else {
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews            goto db_detach;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        }
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    }
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    printf("loaded\n");
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    printf("journal rollforward\n");
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    result = dns_journal_rollforward(ns_g_mctx, dbi->db, "journal");
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    if (result != DNS_R_SUCCESS) {
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        UNEXPECTED_ERROR(__FILE__, __LINE__,
46993e1d9d18410a5852b7d990338b70b158855cMichael Graff                 "ns_rollforward(): %s",
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff                 dns_result_totext(result));
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        /* Continue anyway... */
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    }
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    if (dbi->iscache)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        dns_view_setcachedb(view, dbi->db);
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews    else if (dns_view_addzonedb(view, dbi->db) != DNS_R_SUCCESS)
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews        goto db_detach;
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    return (DNS_R_SUCCESS);
8b61d2012063306528286680bd9f086fa868d86eMark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews db_detach:
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_db_detach(&dbi->db);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews view_detach:
46993e1d9d18410a5852b7d990338b70b158855cMichael Graff    dns_view_detach(&dbi->view);
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    return (result);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews}
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsstatic isc_result_t
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsload_version(void) {
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_fixedname_t forigin;
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    dns_name_t *origin;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_result_t result, eresult;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_buffer_t source;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    size_t len;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    int soacount, nscount;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_rdatacallbacks_t callbacks;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_view_t *view;
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews    char version_text[1024];
419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graff
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    sprintf(version_text, "version 0 CHAOS TXT \"%s\"\n", ns_g_version);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    /*
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews     * XXXRTH  View list code will move to its own module soon.
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews     */
419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graff    RWLOCK(&ns_g_viewlock, isc_rwlocktype_read);
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews    for (view = ISC_LIST_HEAD(ns_g_viewlist);
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews         view != NULL;
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews         view = ISC_LIST_NEXT(view, link)) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        if (strcasecmp(view->name, "default/CHAOS") == 0) {
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews            version_view = NULL;
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews            dns_view_attach(view, &version_view);
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews            break;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        }
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    }
46993e1d9d18410a5852b7d990338b70b158855cMichael Graff    RWUNLOCK(&ns_g_viewlock, isc_rwlocktype_read);
ca9739800f045cd4d39014f98b920d4354b5bd14Michael Graff    if (view == NULL)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        return (DNS_R_NOTFOUND);
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews    len = strlen("bind.");
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_buffer_init(&source, "bind.", len, ISC_BUFFERTYPE_TEXT);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_buffer_add(&source, len);
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews    dns_fixedname_init(&forigin);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    origin = dns_fixedname_name(&forigin);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    result = dns_name_fromtext(origin, &source, dns_rootname, ISC_FALSE,
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews                   NULL);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (result != DNS_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto view_detach;
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    version_db = NULL;
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews    result = dns_db_create(ns_g_mctx, "rbt", origin, ISC_FALSE,
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                   view->rdclass, 0, NULL, &version_db);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != DNS_R_SUCCESS)
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        goto view_detach;
8b61d2012063306528286680bd9f086fa868d86eMark Andrews
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    dns_rdatacallbacks_init(&callbacks);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    len = strlen(version_text);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_buffer_init(&source, version_text, len, ISC_BUFFERTYPE_TEXT);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_buffer_add(&source, len);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = dns_db_beginload(version_db, &callbacks.add,
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                  &callbacks.add_private);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != DNS_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        return (result);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = dns_master_loadbuffer(&source, &version_db->origin,
8b61d2012063306528286680bd9f086fa868d86eMark Andrews                       &version_db->origin,
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews                       version_db->rdclass, ISC_FALSE,
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                       &soacount, &nscount, &callbacks,
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                       version_db->mctx);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    eresult = dns_db_endload(version_db, &callbacks.add_private);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result == ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        result = eresult;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto db_detach;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (dns_view_addzonedb(version_view, version_db) != DNS_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto db_detach;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    return (DNS_R_SUCCESS);
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews db_detach:
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_db_detach(&version_db);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews view_detach:
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff    dns_view_detach(&version_view);
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    return (result);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews}
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsstatic isc_result_t
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsload_all(void) {
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_result_t result = ISC_R_SUCCESS;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    ns_dbinfo_t *dbi;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_view_t *view;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    result = load_version();
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (result != ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        return (result);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    for (dbi = ISC_LIST_HEAD(ns_g_dbs);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews         dbi != NULL;
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews         dbi = ISC_LIST_NEXT(dbi, link)) {
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        result = load(dbi, "default/IN");
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        if (result != ISC_R_SUCCESS)
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews            break;
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    }
8b61d2012063306528286680bd9f086fa868d86eMark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (result == ISC_R_SUCCESS) {
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        RWLOCK(&ns_g_viewlock, isc_rwlocktype_read);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        for (view = ISC_LIST_HEAD(ns_g_viewlist);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews             view != NULL;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews             view = ISC_LIST_NEXT(view, link))
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews            dns_view_freeze(view);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        RWUNLOCK(&ns_g_viewlock, isc_rwlocktype_read);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    }
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    return (result);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews}
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrews
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrewsstatic void
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrewsunload_all(void) {
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrews    ns_dbinfo_t *dbi, *dbi_next;
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    for (dbi = ISC_LIST_HEAD(ns_g_dbs); dbi != NULL; dbi = dbi_next) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        dbi_next = ISC_LIST_NEXT(dbi, link);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        if (dbi->view != NULL) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews            INSIST(dbi->db != NULL);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews            dns_db_detach(&dbi->db);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews            dns_view_detach(&dbi->view);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        }
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        isc_mem_free(ns_g_mctx, dbi->path);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        isc_mem_free(ns_g_mctx, dbi->origin);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        if (dbi->master != NULL)
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews            isc_mem_free(ns_g_mctx, dbi->master);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        ISC_LIST_UNLINK(ns_g_dbs, dbi, link);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        isc_mem_put(ns_g_mctx, dbi, sizeof *dbi);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    }
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (version_view != NULL) {
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        INSIST(version_db != NULL);
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        dns_db_detach(&version_db);
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        dns_view_detach(&version_view);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    }
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews}
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrewsstatic void
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrewsload_configuration(void) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    isc_result_t result;
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    /*
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews     * XXXRTH  loading code below is temporary; it
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews     * will be replaced by proper config file processing.
8b61d2012063306528286680bd9f086fa868d86eMark Andrews     */
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    result = load_all();
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (result != ISC_R_SUCCESS) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        /* XXXRTH */
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        printf("load_all(): %s\n", isc_result_totext(result));
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    }
8b61d2012063306528286680bd9f086fa868d86eMark Andrews
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    ns_interfacemgr_scan(ns_g_interfacemgr);
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrews}
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsstatic void
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrewsrun_server(isc_task_t *task, isc_event_t *event) {
4be19dcd14cea678511f1d1b269ab89273e987eeMark Andrews    (void)task;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    printf("server running\n");
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    load_configuration();
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    isc_event_free(&event);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews}
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsstatic void
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrewsshutdown_server(isc_task_t *task, isc_event_t *event) {
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_view_t *view, *view_next;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    (void)task;
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    printf("server shutting down\n");
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    RWLOCK(&ns_g_viewlock, isc_rwlocktype_write);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    unload_all();
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    for (view = ISC_LIST_HEAD(ns_g_viewlist);
8b61d2012063306528286680bd9f086fa868d86eMark Andrews         view != NULL;
8b61d2012063306528286680bd9f086fa868d86eMark Andrews         view = view_next) {
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        view_next = ISC_LIST_NEXT(view, link);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        ISC_LIST_UNLINK(ns_g_viewlist, view, link);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        dns_view_detach(&view);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    }
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    ISC_LIST_INIT(ns_g_viewlist);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    RWUNLOCK(&ns_g_viewlock, isc_rwlocktype_write);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_task_detach(&server_task);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    ns_rootns_destroy();
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    isc_event_free(&event);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews}
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrewsisc_result_t
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrewsns_server_init(void) {
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    isc_result_t result;
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    dns_view_t *view, *view_next;
8b61d2012063306528286680bd9f086fa868d86eMark Andrews
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    result = ns_rootns_init();
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    if (result != ISC_R_SUCCESS)
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        return (result);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    /*
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews     * XXXRTH  The view management code here will probably move to its
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews     *         own module when we start using the config file.
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews     */
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    view = NULL;
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews    result = dns_view_create(ns_g_mctx, dns_rdataclass_in, "default/IN",
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                 &view);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto cleanup_views;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    ISC_LIST_APPEND(ns_g_viewlist, view, link);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    dns_view_sethints(view, ns_g_rootns);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    view = NULL;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = dns_view_create(ns_g_mctx, dns_rdataclass_ch, "default/CHAOS",
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews                 &view);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != ISC_R_SUCCESS)
8b61d2012063306528286680bd9f086fa868d86eMark Andrews        goto cleanup_views;
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    ISC_LIST_APPEND(ns_g_viewlist, view, link);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = isc_task_create(ns_g_taskmgr, ns_g_mctx, 0, &server_task);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto cleanup_views;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    result = isc_task_onshutdown(server_task, shutdown_server, NULL);
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff    if (result != ISC_R_SUCCESS)
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff        goto cleanup_task;
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff
e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff    result = isc_app_onrun(ns_g_mctx, server_task, run_server, NULL);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    if (result != ISC_R_SUCCESS)
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        goto cleanup_task;
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    return (ISC_R_SUCCESS);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews cleanup_task:
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews    isc_task_detach(&server_task);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews cleanup_views:
8b61d2012063306528286680bd9f086fa868d86eMark Andrews    for (view = ISC_LIST_HEAD(ns_g_viewlist);
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews         view != NULL;
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews         view = view_next) {
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews        view_next = ISC_LIST_NEXT(view, link);
78da321b437bbb690ef570ccf17dcc8583a5a4a0Mark Andrews        ISC_LIST_UNLINK(ns_g_viewlist, view, link);
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews        dns_view_detach(&view);
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews    }
440164d3e36353a4b9801fcc05fe66b6cf1fb8ceMark Andrews
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews    ns_rootns_destroy();
b54630c4518a1a173fee3478f4bf51dff450b6dcMark Andrews
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews    return (result);
a5c30de2601a1d130a15a78cf3dc7610a02b2d85Mark Andrews}
34ee961fa2f0f5f2ee3cff40fdb4d7d7b48b7728Mark Andrews