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bind-9.10.4-P2-patch1.diff
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bind-9.10.4-P2-patch1.diff
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diff --git a/bind-9.10.4-P2/bin/named/client.c b/bind-9.10.4-P2/bin/named/client.c
index a824eae..3107942 100644
--- a/bind-9.10.4-P2/bin/named/client.c
+++ b/bind-9.10.4-P2/bin/named/client.c
@@ -1499,6 +1499,35 @@ allowed(isc_netaddr_t *addr, dns_name_t *signer, dns_acl_t *acl) {
return (ISC_FALSE);
}
+#ifdef CONTRAIL_DNS
+
+#define TXT_VIEW_TAG "view="
+#define TXT_VIEW_TAG_LEN strlen(TXT_VIEW_TAG)
+#define DEFAULT_VIEW_NAME "_default_view_"
+#define DEFAULT_VIEW_LEN strlen(DEFAULT_VIEW_NAME)
+
+static inline isc_boolean_t
+allowed_view_name(dns_rdata_t *view_rdata, char *name) {
+ if (view_rdata == NULL) {
+ if (strlen(name) == DEFAULT_VIEW_LEN &&
+ memcmp(name, DEFAULT_VIEW_NAME, DEFAULT_VIEW_LEN) == 0)
+ return (ISC_TRUE);
+ else
+ return (ISC_FALSE);
+ }
+
+ unsigned char *data = view_rdata->data;
+ if ((data == NULL) ||
+ (strlen(name) != view_rdata->length - TXT_VIEW_TAG_LEN - 1) ||
+ (memcmp(&data[1], TXT_VIEW_TAG, TXT_VIEW_TAG_LEN) != 0) ||
+ (memcmp(&data[TXT_VIEW_TAG_LEN + 1], name, strlen(name)) != 0))
+ return (ISC_FALSE);
+
+ return (ISC_TRUE);
+}
+
+#endif
+
/*
* Callback to see if a non-recursive query coming from 'srcaddr' to
* 'destaddr', with optional key 'mykey' for class 'rdclass' would be
@@ -2154,6 +2183,17 @@ client_request(isc_task_t *task, isc_event_t *event) {
if (client->message->rdclass == view->rdclass ||
client->message->rdclass == dns_rdataclass_any)
{
+#ifdef CONTRAIL_DNS
+ /*
+ * If there was a TXT record in the request, match the view
+ * based on the domain provided
+ */
+ if (allowed_view_name(client->message->view_rdata, view->name))
+ {
+ dns_view_attach(view, &client->view);
+ break;
+ }
+#else
dns_name_t *tsig = NULL;
sigresult = dns_message_rechecksig(client->message,
@@ -2170,6 +2210,7 @@ client_request(isc_task_t *task, isc_event_t *event) {
dns_view_attach(view, &client->view);
break;
}
+#endif
}
}
diff --git a/bind-9.10.4-P2/bin/named/include/named/query.h b/bind-9.10.4-P2/bin/named/include/named/query.h
index 82fd0cb..7050231 100644
--- a/bind-9.10.4-P2/bin/named/include/named/query.h
+++ b/bind-9.10.4-P2/bin/named/include/named/query.h
@@ -30,6 +30,13 @@
#include <named/types.h>
+#ifdef CONTRAIL_DNS
+typedef struct visited_views {
+ dns_view_t *view;
+ ISC_LINK(struct visited_views) link;
+} visited_views_t;
+#endif
+
/*% nameserver database version structure */
typedef struct ns_dbversion {
dns_db_t *db;
@@ -43,6 +50,10 @@ typedef struct ns_dbversion {
struct ns_query {
unsigned int attributes;
unsigned int restarts;
+#ifdef CONTRAIL_DNS
+ unsigned int vdns_restarts; /* count query restarts for next virtual dns server */
+ ISC_LIST(visited_views_t) visited_view_list;
+#endif
isc_boolean_t timerset;
dns_name_t * qname;
dns_name_t * origqname;
diff --git a/bind-9.10.4-P2/bin/named/query.c b/bind-9.10.4-P2/bin/named/query.c
index 52d13b6..c845db4 100644
--- a/bind-9.10.4-P2/bin/named/query.c
+++ b/bind-9.10.4-P2/bin/named/query.c
@@ -353,6 +353,9 @@ static inline void
query_reset(ns_client_t *client, isc_boolean_t everything) {
isc_buffer_t *dbuf, *dbuf_next;
ns_dbversion_t *dbversion, *dbversion_next;
+#ifdef CONTRAIL_DNS
+ visited_views_t *visited_view, *next_view;
+#endif
CTRACE(ISC_LOG_DEBUG(3), "query_reset");
@@ -421,6 +424,16 @@ query_reset(ns_client_t *client, isc_boolean_t everything) {
NS_QUERYATTR_CACHEOK |
NS_QUERYATTR_SECURE);
client->query.restarts = 0;
+#ifdef CONTRAIL_DNS
+ client->query.vdns_restarts = 0;
+ for (visited_view = ISC_LIST_HEAD(client->query.visited_view_list);
+ visited_view != NULL;
+ visited_view = next_view) {
+ next_view = ISC_LIST_NEXT(visited_view, link);
+ isc_mem_put(client->mctx, visited_view, sizeof(*visited_view));
+ }
+ ISC_LIST_INIT(client->query.visited_view_list);
+#endif
client->query.timerset = ISC_FALSE;
if (client->query.rpz_st != NULL) {
rpz_st_clear(client);
@@ -650,6 +663,10 @@ ns_query_init(ns_client_t *client) {
ISC_LIST_INIT(client->query.activeversions);
ISC_LIST_INIT(client->query.freeversions);
client->query.restarts = 0;
+#ifdef CONTRAIL_DNS
+ client->query.vdns_restarts = 0;
+ ISC_LIST_INIT(client->query.visited_view_list);
+#endif
client->query.timerset = ISC_FALSE;
client->query.rpz_st = NULL;
client->query.qname = NULL;
@@ -685,6 +702,49 @@ ns_query_init(ns_client_t *client) {
return (result);
}
+#ifdef CONTRAIL_DNS
+static inline isc_boolean_t
+is_view_valid(dns_view_t *check_view)
+{
+ dns_view_t *view;
+ for (view = ISC_LIST_HEAD(ns_g_server->viewlist);
+ view != NULL;
+ view = ISC_LIST_NEXT(view, link)) {
+ if (check_view == view)
+ return ISC_TRUE;
+ }
+ return ISC_FALSE;
+}
+
+static inline isc_boolean_t
+is_view_visited(ns_client_t *client, dns_view_t *view)
+{
+ visited_views_t *visited_view;
+ for (visited_view = ISC_LIST_HEAD(client->query.visited_view_list);
+ visited_view != NULL;
+ visited_view = ISC_LIST_NEXT(visited_view, link)) {
+ if (visited_view->view == view)
+ return ISC_TRUE;
+ }
+ return ISC_FALSE;
+}
+
+static inline isc_result_t
+add_view_visited(ns_client_t *client, dns_view_t *view)
+{
+ visited_views_t *visited_view =
+ isc_mem_get(client->mctx, sizeof(*visited_view));
+ if (visited_view == NULL) {
+ return (ISC_R_NOMEMORY);
+ }
+
+ visited_view->view = view;
+ ISC_LIST_INITANDAPPEND(client->query.visited_view_list,
+ visited_view, link);
+ return (ISC_R_SUCCESS);
+}
+#endif
+
static inline ns_dbversion_t *
query_findversion(ns_client_t *client, dns_db_t *db) {
ns_dbversion_t *dbversion;
@@ -749,8 +809,15 @@ query_validatezonedb(ns_client_t *client, dns_name_t *name,
* zone content is not public data, but a part of local configuration
* and should not be disclosed.
*/
+#ifdef CONTRAIL_DNS
+ dns_view_t *next_virtual_dns = dns_zone_getnextview(zone);
+ if (dns_zone_gettype(zone) == dns_zone_staticstub &&
+ (!next_virtual_dns || !is_view_valid(next_virtual_dns)) &&
+ !RECURSIONOK(client)) {
+#else
if (dns_zone_gettype(zone) == dns_zone_staticstub &&
!RECURSIONOK(client)) {
+#endif
return (DNS_R_REFUSED);
}
@@ -6217,6 +6284,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdatasetiter_t *rdsiter;
isc_boolean_t want_restart, is_zone, need_wildcardproof;
+#ifdef CONTRAIL_DNS
+ isc_boolean_t want_vdns_restart, static_stub_vdns_zone;
+ isc_result_t db_find_result;
+#endif
isc_boolean_t is_staticstub_zone;
isc_boolean_t authoritative = ISC_FALSE;
unsigned int n, nlabels;
@@ -6280,6 +6351,9 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
resuming = ISC_FALSE;
is_zone = ISC_FALSE;
is_staticstub_zone = ISC_FALSE;
+#ifdef CONTRAIL_DNS
+ static_stub_vdns_zone = ISC_FALSE;
+#endif
dns_clientinfomethods_init(&cm, ns_client_sourceip);
dns_clientinfo_init(&ci, client);
@@ -6309,6 +6383,9 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
* and resume.
*/
want_restart = ISC_FALSE;
+#ifdef CONTRAIL_DNS
+ want_vdns_restart = ISC_FALSE;
+#endif
rpz_st = client->query.rpz_st;
if (rpz_st != NULL &&
@@ -6462,6 +6539,9 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
restart:
CTRACE(ISC_LOG_DEBUG(3), "query_find: restart");
want_restart = ISC_FALSE;
+#ifdef CONTRAIL_DNS
+ want_vdns_restart = ISC_FALSE;
+#endif
authoritative = ISC_FALSE;
version = NULL;
need_wildcardproof = ISC_FALSE;
@@ -6549,13 +6629,37 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
is_staticstub_zone = ISC_FALSE;
if (is_zone) {
+#ifdef CONTRAIL_DNS
+ /*
+ * If zone has a virtual forwarder, attach to the indicated view
+ */
+ dns_view_t *next_virtual_dns = dns_zone_getnextview(zone);
+ if (zone != NULL &&
+ dns_zone_gettype(zone) == dns_zone_staticstub &&
+ next_virtual_dns && is_view_valid(next_virtual_dns) &&
+ !is_view_visited(client, next_virtual_dns)) {
+ dns_view_detach(&client->view);
+ dns_view_attach(next_virtual_dns, &client->view);
+ if (add_view_visited(client, next_virtual_dns) != ISC_R_SUCCESS)
+ goto cleanup;
+ static_stub_vdns_zone = ISC_TRUE;
+ want_vdns_restart = ISC_TRUE;
+ goto cleanup;
+ }
+#endif
authoritative = ISC_TRUE;
if (zone != NULL &&
dns_zone_gettype(zone) == dns_zone_staticstub)
is_staticstub_zone = ISC_TRUE;
}
- if (event == NULL && client->query.restarts == 0) {
+#ifdef CONTRAIL_DNS
+ if (event == NULL && client->query.restarts == 0 &&
+ client->query.vdns_restarts == 0)
+#else
+ if (event == NULL && client->query.restarts == 0)
+#endif
+ {
if (is_zone) {
if (zone != NULL) {
/*
@@ -6615,6 +6719,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
if (!is_zone)
dns_cache_updatestats(client->view->cache, result);
+#ifdef CONTRAIL_DNS
+ db_find_result = result;
+#endif
+
resume:
CTRACE(ISC_LOG_DEBUG(3), "query_find: resume");
@@ -6965,6 +7073,19 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
* recurse anyway.
*/
if (RECURSIONOK(client)) {
+#ifdef CONTRAIL_DNS
+ dns_view_t *next_virtual_dns = client->view->next_virtual_dns;
+ if (next_virtual_dns && is_view_valid(next_virtual_dns) &&
+ !is_view_visited(client, next_virtual_dns)) {
+ dns_view_detach(&client->view);
+ dns_view_attach(next_virtual_dns, &client->view);
+ if (add_view_visited(client, next_virtual_dns) != ISC_R_SUCCESS)
+ goto cleanup;
+ want_vdns_restart = ISC_TRUE;
+ goto cleanup;
+ }
+ static_stub_vdns_zone = ISC_FALSE;
+#endif
result = query_recurse(client, qtype,
client->query.qname,
NULL, NULL, resuming);
@@ -6993,6 +7114,38 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
*/
/* FALLTHROUGH */
case DNS_R_DELEGATION:
+#ifdef CONTRAIL_DNS
+ /*
+ * If it is an NS record, check if it is for a virtual DNS server,
+ * served by the same server. If it is, attach to the new view and
+ * restart query. Otherwise, continue with the normal processing.
+ */
+ if (db_find_result == DNS_R_DELEGATION) {
+ char view_name[DNS_NAME_FORMATSIZE];
+ if (dns_rdataset_first(rdataset) == ISC_R_SUCCESS) {
+ /* Extract the name from the NS record. */
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ dns_rdata_ns_t ns;
+ dns_rdataset_current(rdataset, &rdata);
+ if (dns_rdata_tostruct(&rdata, &ns, NULL) == ISC_R_SUCCESS) {
+ dns_view_t *view;
+ dns_name_format(&ns.name, view_name, DNS_NAME_FORMATSIZE);
+ for (view = ISC_LIST_HEAD(ns_g_server->viewlist);
+ view != NULL; view = ISC_LIST_NEXT(view, link)) {
+ if (strlen(view->name) == strlen(view_name) &&
+ memcmp(view->name, view_name, strlen(view_name)) == 0) {
+ /* Found the view, attach to it */
+ dns_view_detach(&client->view);
+ dns_view_attach(view, &client->view);
+ want_vdns_restart = ISC_TRUE;
+ goto cleanup;
+ }
+ }
+ }
+ }
+ }
+ static_stub_vdns_zone = ISC_FALSE;
+#endif
authoritative = ISC_FALSE;
if (is_zone) {
/*
@@ -7153,6 +7306,23 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
}
if (RECURSIONOK(client)) {
+#ifdef CONTRAIL_DNS
+ /*
+ * We are ready to recurse; if next_virtual_dns is configured,
+ * change to that view and restart search
+ */
+ dns_view_t *next_virtual_dns = client->view->next_virtual_dns;
+ if (next_virtual_dns && is_view_valid(next_virtual_dns) &&
+ !is_view_visited(client, next_virtual_dns)) {
+ dns_view_detach(&client->view);
+ dns_view_attach(next_virtual_dns, &client->view);
+ if (add_view_visited(client, next_virtual_dns) != ISC_R_SUCCESS)
+ goto cleanup;
+ want_vdns_restart = ISC_TRUE;
+ goto cleanup;
+ }
+ static_stub_vdns_zone = ISC_FALSE;
+#endif
/*
* Recurse!
*/
@@ -8323,6 +8493,11 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
if (event != NULL)
isc_event_free(ISC_EVENT_PTR(&event));
+#ifdef CONTRAIL_DNS
+ if (static_stub_vdns_zone)
+ authoritative = ISC_TRUE;
+#endif
+
/*
* AA bit.
*/
@@ -8337,6 +8512,13 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
/*
* Restart the query?
*/
+#ifdef CONTRAIL_DNS
+ if (want_vdns_restart && client->query.vdns_restarts < MAX_RESTARTS) {
+ client->query.vdns_restarts++;
+ goto restart;
+ }
+#endif
+
if (want_restart && client->query.restarts < MAX_RESTARTS) {
client->query.restarts++;
goto restart;
diff --git a/bind-9.10.4-P2/bin/named/server.c b/bind-9.10.4-P2/bin/named/server.c
index 33483f8..122a8e3 100644
--- a/bind-9.10.4-P2/bin/named/server.c
+++ b/bind-9.10.4-P2/bin/named/server.c
@@ -401,6 +401,14 @@ static isc_result_t
configure_forward(const cfg_obj_t *config, dns_view_t *view, dns_name_t *origin,
const cfg_obj_t *forwarders, const cfg_obj_t *forwardtype);
+#ifdef CONTRAIL_DNS
+static isc_result_t
+configure_view_virtual_forward(dns_view_t *view);
+
+static isc_result_t
+configure_zone_virtual_forward(dns_view_t *view);
+#endif
+
static isc_result_t
configure_alternates(const cfg_obj_t *config, dns_view_t *view,
const cfg_obj_t *alternates);
@@ -2343,6 +2351,9 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist,
const cfg_obj_t *voptions = NULL;
const cfg_obj_t *forwardtype;
const cfg_obj_t *forwarders;
+#ifdef CONTRAIL_DNS
+ const cfg_obj_t *virtual_forwarder;
+#endif
const cfg_obj_t *alternates;
const cfg_obj_t *zonelist;
const cfg_obj_t *dlzlist;
@@ -3178,6 +3189,15 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist,
CHECK(configure_forward(config, view, dns_rootname,
forwarders, forwardtype));
+#ifdef CONTRAIL_DNS
+ virtual_forwarder = NULL;
+ (void)ns_config_get(maps, "virtual-forwarder", &virtual_forwarder);
+ if (virtual_forwarder != NULL) {
+ view->next_vdns_name = isc_mem_strdup(view->mctx,
+ cfg_obj_asstring(virtual_forwarder));
+ }
+#endif
+
/*
* Dual Stack Servers.
*/
@@ -4101,6 +4121,40 @@ configure_forward(const cfg_obj_t *config, dns_view_t *view, dns_name_t *origin,
return (result);
}
+#ifdef CONTRAIL_DNS
+static isc_result_t
+configure_view_virtual_forward(dns_view_t *view)
+{
+ isc_result_t result;
+ dns_view_t *pview = NULL;
+
+ if (view->next_vdns_name == NULL)
+ return ISC_R_SUCCESS;
+
+ result = dns_viewlist_find(&ns_g_server->viewlist, view->next_vdns_name,
+ view->rdclass, &pview);
+ if (result == ISC_R_SUCCESS) {
+ view->next_virtual_dns = pview;
+ }
+ else if (result == ISC_R_NOTFOUND) {
+ /* If not found, next_virtual_dns will get updated when */
+ /* view is configured */
+ result = ISC_R_SUCCESS;
+ }
+
+ if (pview != NULL)
+ dns_view_detach(&pview);
+
+ return (result);
+}
+
+static isc_result_t
+configure_zone_virtual_forward(dns_view_t *view)
+{
+ return dns_zt_setzonenextview(view, &ns_g_server->viewlist);
+}
+#endif
+
static isc_result_t
get_viewinfo(const cfg_obj_t *vconfig, const char **namep,
dns_rdataclass_t *classp)
@@ -4241,6 +4295,9 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig,
dns_rdataclass_t zclass;
const char *ztypestr;
dns_rpz_num_t rpz_num;
+#ifdef CONTRAIL_DNS
+ const cfg_obj_t *virtual_server;
+#endif
options = NULL;
(void)cfg_map_get(config, "options", &options);
@@ -4542,6 +4599,20 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig,
forwardtype));
}
+#ifdef CONTRAIL_DNS
+ /*
+ * If the zone is static-stub type, copy the virtual forwarder if defined
+ */
+ if (strcasecmp(ztypestr, "static-stub") == 0) {
+ virtual_server = NULL;
+ (void)cfg_map_get(zoptions, "virtual-server-name", &virtual_server);
+ if (virtual_server != NULL) {
+ dns_zone_setnextvdnsname(zone,
+ cfg_obj_asstring(virtual_server));
+ }
+ }
+#endif
+
/*
* Stub and forward zones may also refer to delegation only points.
*/
@@ -6062,9 +6133,16 @@ load_configuration(const char *filename, ns_server_t *server,
view = ISC_LIST_HEAD(server->viewlist);
while (view != NULL) {
view->viewlist = &server->viewlist;
+#ifdef CONTRAIL_DNS
+ /* Update the next virtual forwarder for all the views */
+ /* This cannot be done in configure_view as all the views arent ready */
+ CHECK(configure_view_virtual_forward(view));
+ CHECK(configure_zone_virtual_forward(view));
+#endif
view = ISC_LIST_NEXT(view, link);
}
+
/* Swap our new cache list with the production one. */
tmpcachelist = server->cachelist;
server->cachelist = cachelist;
diff --git a/bind-9.10.4-P2/bin/rndc/Makefile.in b/bind-9.10.4-P2/bin/rndc/Makefile.in
index ea5339e..64ef339 100644
--- a/bind-9.10.4-P2/bin/rndc/Makefile.in
+++ b/bind-9.10.4-P2/bin/rndc/Makefile.in
@@ -51,7 +51,7 @@ CONFDEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS}
SRCS= rndc.c
-TARGETS = rndc@EXEEXT@
+TARGETS = rndc@EXEEXT@ librndc.@A@
MANPAGES = rndc.8 rndc.conf.5
@@ -68,23 +68,37 @@ rndc.@O@: rndc.c
-DRNDC_KEYFILE=\"${sysconfdir}/rndc.key\" \
-c ${srcdir}/rndc.c
+librndc.@O@: rndc.c
+ ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+ -DVERSION=\"${VERSION}\" \
+ -DJUNIPER_RNDC \
+ -DRNDC_CONFFILE=\"/etc/contrail/rndc.conf\" \
+ -DRNDC_KEYFILE=\"/etc/contrail/rndc.key\" \
+ -c ${srcdir}/rndc.c -o librndc.o
+
rndc@EXEEXT@: rndc.@O@ util.@O@ ${RNDCDEPLIBS}
export BASEOBJS="rndc.@O@ util.@O@"; \
export LIBS0="${ISCCFGLIBS} ${ISCCCLIBS} ${BIND9LIBS} ${DNSLIBS}"; \
${FINALBUILDCMD}
+librndc.@SA@: librndc.@O@ util.@O@ ${RNDCDEPLIBS}
+ ${AR} ${ARFLAGS} $@ librndc.@O@ util.@O@ ${UOBJS}
+ ${RANLIB} $@
+
doc man:: ${MANOBJS}
docclean manclean maintainer-clean::
rm -f ${MANOBJS}
installdirs:
+ $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${libdir}
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir}
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man8
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man5
-install:: rndc@EXEEXT@ installdirs
+install:: rndc@EXEEXT@ librndc.@A@ installdirs
${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} rndc@EXEEXT@ ${DESTDIR}${sbindir}
+ ${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} librndc.@A@ ${DESTDIR}${libdir}
${INSTALL_DATA} ${srcdir}/rndc.8 ${DESTDIR}${mandir}/man8
${INSTALL_DATA} ${srcdir}/rndc.conf.5 ${DESTDIR}${mandir}/man5
diff --git a/bind-9.10.4-P2/bin/rndc/rndc.c b/bind-9.10.4-P2/bin/rndc/rndc.c
index d6b5992..a9aa3b6 100644
--- a/bind-9.10.4-P2/bin/rndc/rndc.c
+++ b/bind-9.10.4-P2/bin/rndc/rndc.c
@@ -60,6 +60,15 @@
#define SERVERADDRS 10
+#ifdef JUNIPER_RNDC
+int rndc_main(int argc, char** argv);
+void rndc_reconfig();
+void *dnsd_rndc_start(void *arg);
+
+int pipefd[2];
+static char *rndc_args[] = { "rndc", "-c", "/etc/contrail/rndc.conf", "-p", "11223", "reconfig" };
+#endif
+
const char *progname;
isc_boolean_t verbose;
@@ -723,8 +732,31 @@ parse_config(isc_mem_t *mctx, isc_log_t *log, const char *keyname,
*configp = config;
}
-int
-main(int argc, char **argv) {
+#ifdef JUNIPER_RNDC
+void *dnsd_rndc_start(void *arg) {
+ // socket_server();
+ char buf[32];
+ if (pipe(pipefd))
+ exit(-1);
+ while (1) {
+ if (read(pipefd[0], buf, 4096) > 0) {
+ rndc_main(6, rndc_args);
+ }
+ }
+ return NULL;
+}
+
+void rndc_reconfig() {
+ char buf[32];
+ write(pipefd[1], buf, 1);
+}
+#endif
+
+#ifndef JUNIPER_RNDC
+int main(int argc, char **argv) {
+#else
+int rndc_main(int argc, char **argv) {
+#endif
isc_result_t result = ISC_R_SUCCESS;
isc_boolean_t show_final_mem = ISC_FALSE;
isc_taskmgr_t *taskmgr = NULL;
diff --git a/bind-9.10.4-P2/configure b/bind-9.10.4-P2/configure
index 6779cc3..7d91fd0 100755
--- a/bind-9.10.4-P2/configure
+++ b/bind-9.10.4-P2/configure
@@ -2797,6 +2797,7 @@ fi
## Main body of script. ##
## -------------------- ##
+CFLAGS=$CFLAGS\ -DCONTRAIL_DNS
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/bind-9.10.4-P2/lib/bind9/check.c b/bind-9.10.4-P2/lib/bind9/check.c
index 79049ec..05ee835 100644
--- a/bind-9.10.4-P2/lib/bind9/check.c
+++ b/bind-9.10.4-P2/lib/bind9/check.c
@@ -264,6 +264,16 @@ check_forward(const cfg_obj_t *options, const cfg_obj_t *global,
return (ISC_R_SUCCESS);
}
+#ifdef CONTRAIL_DNS
+static isc_result_t
+check_virtual_forward(const cfg_obj_t *options, isc_log_t *logctx)
+{
+ const cfg_obj_t *virtual_forwarder = NULL;
+ (void)cfg_map_get(options, "virtual-forwarder", &virtual_forwarder);
+ return (ISC_R_SUCCESS);
+}
+#endif
+
static isc_result_t
disabled_algorithms(const cfg_obj_t *disabled, isc_log_t *logctx) {
isc_result_t result = ISC_R_SUCCESS;
@@ -1541,6 +1551,9 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
{ "update-policy", MASTERZONE },
{ "zone-statistics", MASTERZONE | SLAVEZONE | STUBZONE |
STATICSTUBZONE | REDIRECTZONE },
+#ifdef CONTRAIL_DNS
+ { "virtual-server-name", STATICSTUBZONE },
+#endif
};
static optionstable dialups[] = {
@@ -2100,6 +2113,13 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
}
}
+#ifdef CONTRAIL_DNS
+ if (ztype == STATICSTUBZONE) {
+ const cfg_obj_t *virtual_server = NULL;
+ (void)cfg_map_get(zoptions, "virtual-server-name", &virtual_server);
+ }
+#endif
+
/*
* Check various options.
*/
@@ -2670,6 +2690,13 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
result = ISC_R_FAILURE;
}
+#ifdef CONTRAIL_DNS
+ if (voptions != NULL) {
+ if (check_virtual_forward(voptions, logctx) != ISC_R_SUCCESS)
+ result = ISC_R_FAILURE;
+ }
+#endif
+
/*
* Check non-zero options at the global and view levels.
*/
diff --git a/bind-9.10.4-P2/lib/dns/include/dns/message.h b/bind-9.10.4-P2/lib/dns/include/dns/message.h
index 2d1c9d7..cd5cbe4 100644
--- a/bind-9.10.4-P2/lib/dns/include/dns/message.h
+++ b/bind-9.10.4-P2/lib/dns/include/dns/message.h
@@ -259,6 +259,9 @@ struct dns_message {
dns_rdatasetorderfunc_t order;
const void * order_arg;
+#ifdef CONTRAIL_DNS
+ dns_rdata_t * view_rdata;
+#endif
};
struct dns_ednsopt {
diff --git a/bind-9.10.4-P2/lib/dns/include/dns/view.h b/bind-9.10.4-P2/lib/dns/include/dns/view.h
index 32f76b5..326db4c 100644
--- a/bind-9.10.4-P2/lib/dns/include/dns/view.h
+++ b/bind-9.10.4-P2/lib/dns/include/dns/view.h
@@ -182,6 +182,10 @@ struct dns_view {
dns_acl_t * matchclients;
dns_acl_t * matchdestinations;
isc_boolean_t matchrecursiveonly;
+#ifdef CONTRAIL_DNS
+ char * next_vdns_name;
+ dns_view_t * next_virtual_dns; /* next virtual dns server */
+#endif
/* Locked by themselves. */
isc_refcount_t references;
diff --git a/bind-9.10.4-P2/lib/dns/include/dns/zone.h b/bind-9.10.4-P2/lib/dns/include/dns/zone.h
index a9367f1..0569523 100644
--- a/bind-9.10.4-P2/lib/dns/include/dns/zone.h
+++ b/bind-9.10.4-P2/lib/dns/include/dns/zone.h
@@ -233,6 +233,44 @@ dns_zone_getview(dns_zone_t *zone);
*\li 'zone' to be a valid zone.
*/
+#ifdef CONTRAIL_DNS
+char *
+dns_zone_getnextvdnsname(dns_zone_t *zone);
+/*%<
+ * Returns the zone's next virtual forwarder name
+ *
+ * Requires:
+ *\li 'zone' to be a valid zone.
+ */
+
+void
+dns_zone_setnextvdnsname(dns_zone_t *zone, const char *name);
+/*%<
+ * Configures the zone's next virtual forwarder name
+ *
+ * Requires:
+ *\li 'zone' to be a valid zone.
+ */
+
+dns_view_t *
+dns_zone_getnextview(dns_zone_t *zone);
+/*%<
+ * Returns the zone's next view (associated virtual forwarder of the zone).
+ *
+ * Requires:
+ *\li 'zone' to be a valid zone.
+ */
+
+isc_result_t
+dns_zone_setnextview(dns_zone_t *zone, dns_viewlist_t *viewlist);
+/*%<
+ * Updates the zone's next view (associated virtual forwarder of the zone).
+ *
+ * Requires:
+ *\li 'zone' to be a valid zone.
+ */
+#endif
+
isc_result_t
dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin);
/*%<
diff --git a/bind-9.10.4-P2/lib/dns/include/dns/zt.h b/bind-9.10.4-P2/lib/dns/include/dns/zt.h
index f91d7e8..9604a8f 100644
--- a/bind-9.10.4-P2/lib/dns/include/dns/zt.h
+++ b/bind-9.10.4-P2/lib/dns/include/dns/zt.h
@@ -200,6 +200,17 @@ dns_zt_apply2(dns_zt_t *zt, isc_boolean_t stop, isc_result_t *sub,
* any error code from 'action'.
*/
+#ifdef CONTRAIL_DNS
+isc_result_t
+dns_zt_setzonenextview(dns_view_t *view, dns_viewlist_t *viewlist);
+/*%<
+ * Updates the next view of all zones in the view
+ *
+ * Returns:
+ *\li #ISC_R_SUCCESS
+ */
+#endif
+
isc_boolean_t
dns_zt_loadspending(dns_zt_t *zt);
/*%<
diff --git a/bind-9.10.4-P2/lib/dns/message.c b/bind-9.10.4-P2/lib/dns/message.c
index c49bfa2..fe9b397 100644
--- a/bind-9.10.4-P2/lib/dns/message.c
+++ b/bind-9.10.4-P2/lib/dns/message.c
@@ -1247,6 +1247,9 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
&& rdtype != dns_rdatatype_key /* in a TKEY query */
&& rdtype != dns_rdatatype_sig /* SIG(0) */
&& rdtype != dns_rdatatype_tkey /* Win2000 TKEY */
+#ifdef CONTRAIL_DNS
+ && rdtype != dns_rdatatype_txt /* TXT */
+#endif
&& msg->rdclass != dns_rdataclass_any
&& msg->rdclass != rdclass)
DO_FORMERR;
@@ -1506,6 +1509,17 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx,
}
}
+#ifdef CONTRAIL_DNS
+ /*
+ * We get the domain name in a TXT record in the additional section
+ * in the DNS packets. Identify such rdata and keep a reference to it.
+ */
+ if (rdtype == dns_rdatatype_txt &&
+ sectionid == DNS_SECTION_ADDITIONAL) {
+ msg->view_rdata = rdata;
+ }
+#endif
+
/*
* Minimize TTLs.
*
@@ -1625,6 +1639,9 @@ dns_message_parse(dns_message_t *msg, isc_buffer_t *source,
msg->header_ok = 1;
msg->state = DNS_SECTION_QUESTION;
+#ifdef CONTRAIL_DNS
+ msg->view_rdata = NULL;
+#endif
/*
* -1 means no EDNS.
diff --git a/bind-9.10.4-P2/lib/dns/view.c b/bind-9.10.4-P2/lib/dns/view.c
index e3e0591..77e30b5 100644
--- a/bind-9.10.4-P2/lib/dns/view.c
+++ b/bind-9.10.4-P2/lib/dns/view.c
@@ -141,6 +141,10 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
view->matchclients = NULL;
view->matchdestinations = NULL;
view->matchrecursiveonly = ISC_FALSE;
+#ifdef CONTRAIL_DNS
+ view->next_vdns_name = NULL;
+ view->next_virtual_dns = NULL;
+#endif
result = dns_tsigkeyring_create(view->mctx, &view->dynamickeys);
if (result != ISC_R_SUCCESS)
goto cleanup_references;
@@ -367,6 +371,12 @@ destroy(dns_view_t *view) {
dns_acl_detach(&view->matchclients);
if (view->matchdestinations != NULL)
dns_acl_detach(&view->matchdestinations);
+#ifdef CONTRAIL_DNS
+ if (view->next_vdns_name != NULL)
+ isc_mem_free(view->mctx, view->next_vdns_name);
+ view->next_vdns_name = NULL;
+ view->next_virtual_dns = NULL;
+#endif
if (view->cacheacl != NULL)
dns_acl_detach(&view->cacheacl);
if (view->cacheonacl != NULL)
diff --git a/bind-9.10.4-P2/lib/dns/zone.c b/bind-9.10.4-P2/lib/dns/zone.c
index 629a221..3de7975 100644
--- a/bind-9.10.4-P2/lib/dns/zone.c
+++ b/bind-9.10.4-P2/lib/dns/zone.c
@@ -312,6 +312,11 @@ struct dns_zone {
dns_checkmxfunc_t checkmx;
dns_checksrvfunc_t checksrv;
dns_checknsfunc_t checkns;
+#ifdef CONTRAIL_DNS
+ /* the next view to use when virtual forwarder is configured */
+ char *next_vdns_name;
+ dns_view_t *zone_next_view;
+#endif
/*%
* Zones in certain states such as "waiting for zone transfer"
* or "zone transfer in progress" are kept on per-state linked lists
@@ -1001,6 +1006,10 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {
zone->checkmx = NULL;
zone->checksrv = NULL;
zone->checkns = NULL;
+#ifdef CONTRAIL_DNS
+ zone->next_vdns_name = NULL;
+ zone->zone_next_view = NULL;
+#endif
ISC_LINK_INIT(zone, statelink);
zone->statelist = NULL;
zone->stats = NULL;
@@ -1181,6 +1190,12 @@ zone_free(dns_zone_t *zone) {
isc_mem_free(zone->mctx, zone->strviewname);
if (zone->ssutable != NULL)
dns_ssutable_detach(&zone->ssutable);
+#ifdef CONTRAIL_DNS
+ if (zone->next_vdns_name != NULL)
+ isc_mem_free(zone->mctx, zone->next_vdns_name);
+ zone->next_vdns_name = NULL;
+ zone->zone_next_view = NULL;
+#endif
/* last stuff */
ZONEDB_DESTROYLOCK(&zone->dblock);
@@ -1192,6 +1207,50 @@ zone_free(dns_zone_t *zone) {
isc_mem_detach(&mctx);
}
+#ifdef CONTRAIL_DNS
+char *
+dns_zone_getnextvdnsname(dns_zone_t *zone) {
+ REQUIRE(DNS_ZONE_VALID(zone));
+ return (zone->next_vdns_name);
+}
+
+void
+dns_zone_setnextvdnsname(dns_zone_t *zone, const char *name) {
+ REQUIRE(DNS_ZONE_VALID(zone));
+ zone->next_vdns_name = isc_mem_strdup(zone->mctx, name);
+}
+
+dns_view_t *
+dns_zone_getnextview(dns_zone_t *zone) {
+ REQUIRE(DNS_ZONE_VALID(zone));
+ return (zone->zone_next_view);
+}
+
+isc_result_t
+dns_zone_setnextview(dns_zone_t *zone, dns_viewlist_t *viewlist)
+{
+ REQUIRE(DNS_ZONE_VALID(zone));
+ isc_result_t result;
+ if (zone->next_vdns_name != NULL) {
+ dns_view_t *pview = NULL;
+ result = dns_viewlist_find(viewlist, zone->next_vdns_name,
+ zone->view->rdclass, &pview);
+ if (result == ISC_R_SUCCESS) {
+ zone->zone_next_view = pview;
+ }
+ else if (result == ISC_R_NOTFOUND) {
+ /* If not found, zone_next_view will get updated when */
+ /* view is configured */
+ result = ISC_R_SUCCESS;
+ }
+
+ if (pview != NULL)
+ dns_view_detach(&pview);
+ }
+ return (result);
+}
+#endif
+
/*
* Returns ISC_TRUE iff this the signed side of an inline-signing zone.
* Caller should hold zone lock.
diff --git a/bind-9.10.4-P2/lib/dns/zt.c b/bind-9.10.4-P2/lib/dns/zt.c
index ffc76bb..ed8b84d 100644
--- a/bind-9.10.4-P2/lib/dns/zt.c
+++ b/bind-9.10.4-P2/lib/dns/zt.c
@@ -527,6 +527,43 @@ doneloading(dns_zt_t *zt, dns_zone_t *zone, isc_task_t *task) {
return (ISC_R_SUCCESS);
}
+#ifdef CONTRAIL_DNS
+isc_result_t
+dns_zt_setzonenextview(dns_view_t *view, dns_viewlist_t *viewlist)
+{
+ isc_result_t result;
+ dns_zone_t *znode;
+ dns_rbtnode_t *node;
+ dns_rbtnodechain_t chain;
+ dns_zt_t *zt = view->zonetable;
+ dns_rbtnodechain_init(&chain, zt->mctx);
+ result = dns_rbtnodechain_first(&chain, zt->table, NULL, NULL);
+ if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
+ if (result == ISC_R_NOTFOUND)
+ result = ISC_R_SUCCESS;
+ goto cleanup;
+ }
+ for (;;) {