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Code Issues Releases Wiki Activity

368. [func] Restructure the internal ".bind" view so that more

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zones can be added to it.
This commit is contained in:
Brian Wellington
2000-08-02 18:13:08 +00:00
parent 48674819eb
commit bd77de5fca
2 changed files with 121 additions and 18 deletions
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3
CHANGES
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@@ -1,3 +1,6 @@
368. [func] Restructure the internal ".bind" view so that more
zones can be added to it.
367. [func] Allow proper selection of server on nslookup command
line.

136
bin/named/server.c
View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: server.c,v 1.207 2000/08/01 01:11:59 tale Exp $ */
/* $Id: server.c,v 1.208 2000/08/02 18:13:06 bwelling Exp $ */
#include <config.h>
@@ -718,13 +718,40 @@ configure_view(dns_view_t *view, dns_c_ctx_t *cctx, dns_c_view_t *cview,
}
/*
* Create the special view that handles queries for
* Create the special view that handles queries under "bind. CH".
*/
static isc_result_t
create_bind_view(dns_view_t **viewp)
{
isc_result_t result;
dns_view_t *view = NULL;
REQUIRE(viewp != NULL && *viewp == NULL);
CHECK(dns_view_create(ns_g_mctx, dns_rdataclass_ch, "_bind", &view));
/* Transfer ownership. */
*viewp = view;
view = NULL;
result = ISC_R_SUCCESS;
cleanup:
if (view != NULL)
dns_view_detach(&view);
return (result);
}
/*
* Create the zone that handles queries for
* "version.bind. CH". The version string returned is that
* configured in 'cctx', or a compiled-in default if
* there is no "version" configuration option.
*/
static isc_result_t
create_version_view(dns_c_ctx_t *cctx, dns_zonemgr_t *zmgr, dns_view_t **viewp)
create_version_zone(dns_c_ctx_t *cctx, dns_zonemgr_t *zmgr, dns_view_t *view)
{
isc_result_t result;
dns_db_t *db = NULL;
@@ -732,7 +759,6 @@ create_version_view(dns_c_ctx_t *cctx, dns_zonemgr_t *zmgr, dns_view_t **viewp)
dns_dbversion_t *dbver = NULL;
dns_difftuple_t *tuple = NULL;
dns_diff_t diff;
dns_view_t *view = NULL;
char *versiontext;
unsigned char buf[256];
isc_region_t r;
@@ -741,11 +767,6 @@ create_version_view(dns_c_ctx_t *cctx, dns_zonemgr_t *zmgr, dns_view_t **viewp)
static unsigned char origindata[] = "\007version\004bind";
dns_name_t origin;
REQUIRE(viewp != NULL && *viewp == NULL);
CHECK(dns_view_create(ns_g_mctx, dns_rdataclass_ch, "_version",
&view));
dns_diff_init(ns_g_mctx, &diff);
dns_name_init(&origin, NULL);
@@ -796,17 +817,94 @@ create_version_view(dns_c_ctx_t *cctx, dns_zonemgr_t *zmgr, dns_view_t **viewp)
CHECK(dns_view_addzone(view, zone));
dns_view_freeze(view);
result = ISC_R_SUCCESS;
/* Transfer ownership. */
*viewp = view;
view = NULL;
cleanup:
if (zone != NULL)
dns_zone_detach(&zone);
if (dbver != NULL)
dns_db_closeversion(db, &dbver, ISC_FALSE);
if (db != NULL)
dns_db_detach(&db);
dns_diff_clear(&diff);
return (result);
}
/*
* Create the special view that handles queries for
* "authors.bind. CH". The strings returned list
* the authors of bind.
*/
static isc_result_t
create_authors_zone(dns_zonemgr_t *zmgr, dns_view_t *view) {
isc_result_t result;
dns_db_t *db = NULL;
dns_zone_t *zone = NULL;
dns_dbversion_t *dbver = NULL;
dns_difftuple_t *tuple;
dns_diff_t diff;
isc_region_t r;
isc_constregion_t cr;
dns_rdata_t rdata;
static unsigned char origindata[] = "\007authors\004bind";
dns_name_t origin;
int i;
static const unsigned char *authors[] =
{
"\014Mark Andrews",
"\015James Brister",
"\015Michael Graff",
"\022Andreas Gustafsson",
"\012Bob Halley",
"\016David Lawrence",
"\016Michael Sawyer",
"\020Brian Wellington",
NULL,
};
dns_diff_init(ns_g_mctx, &diff);
dns_name_init(&origin, NULL);
r.base = origindata;
r.length = sizeof(origindata);
dns_name_fromregion(&origin, &r);
CHECK(dns_zone_create(&zone, ns_g_mctx));
CHECK(dns_zone_setorigin(zone, &origin));
dns_zone_settype(zone, dns_zone_master);
dns_zone_setclass(zone, dns_rdataclass_ch);
dns_zone_setview(zone, view);
CHECK(dns_zonemgr_managezone(zmgr, zone));
CHECK(dns_db_create(ns_g_mctx, "rbt", &origin, dns_dbtype_zone,
dns_rdataclass_ch, 0, NULL, &db));
CHECK(dns_db_newversion(db, &dbver));
for (i = 0; authors[i] != NULL; i++) {
cr.base = authors[i];
cr.length = strlen(authors[i]);
dns_rdata_fromregion(&rdata, dns_rdataclass_ch,
dns_rdatatype_txt, (isc_region_t *)&cr);
tuple = NULL;
CHECK(dns_difftuple_create(ns_g_mctx, DNS_DIFFOP_ADD, &origin,
0, &rdata, &tuple));
dns_diff_append(&diff, &tuple);
}
CHECK(dns_diff_apply(&diff, db, dbver));
dns_db_closeversion(db, &dbver, ISC_TRUE);
CHECK(dns_zone_replacedb(zone, db, ISC_FALSE));
CHECK(dns_view_addzone(view, zone));
result = ISC_R_SUCCESS;
cleanup:
if (view != NULL)
dns_view_detach(&view);
if (zone != NULL)
dns_zone_detach(&zone);
if (dbver != NULL)
@@ -1331,11 +1429,13 @@ load_configuration(const char *filename, ns_server_t *server,
}
/*
* Create (or recreate) the version view.
* Create (or recreate) the internal _bind view.
*/
view = NULL;
CHECK(create_version_view(cctx, server->zonemgr, &view));
CHECK(create_bind_view(&view));
ISC_LIST_APPEND(lctx.viewlist, view, link);
CHECK(create_version_zone(cctx, server->zonemgr, view));
CHECK(create_authors_zone(server->zonemgr, view));
dns_view_freeze(view);
view = NULL;
/*