d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington

d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <config.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/base64.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/buffer.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/event.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/file.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/fsaccess.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/mem.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/netaddr.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/print.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/random.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/result.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <isc/stdio.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/stdtime.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/string.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/timer.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isc/util.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccfg/cfg.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/alist.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/cc.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/ccmsg.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/events.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/result.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/sexpr.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <isccc/util.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <dns/keyvalues.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <dns/result.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#include <dst/dst.h>

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <named/control.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <named/log.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington#include <named/server.h>

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef struct controlkey controlkey_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef ISC_LIST(controlkey_t) controlkeylist_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef struct controlconnection controlconnection_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef ISC_LIST(controlconnection_t) controlconnectionlist_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef struct controllistener controllistener_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtontypedef ISC_LIST(controllistener_t) controllistenerlist_t;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstruct controlkey {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char * keyname;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_region_t secret;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK(controlkey_t) link;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington};

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstruct controlconnection {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_t * sock;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_t ccmsg;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_boolean_t ccmsg_valid;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_boolean_t sending;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_timer_t * timer;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington unsigned char buffer[2048];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t * listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK(controlconnection_t) link;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington};

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstruct controllistener {

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson ns_controls_t * controls;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_t * mctx;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_task_t * task;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_t address;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_t * sock;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_t * acl;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_boolean_t listening;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_boolean_t exiting;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkeylist_t keys;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnectionlist_t connections;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK(controllistener_t) link;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington};

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic struct {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char name[64];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char secret[192];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_parser_t *parser;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *config;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_sockaddr_t address; /* Last channel that needed automagic. */

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence} automagic_key;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#define NS_AUTOKEY_BITS 128

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence#define NS_AUTOKEY_NAME "control_autokey"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafssonstruct ns_controls {

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson ns_server_t *server;

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson controllistenerlist_t listeners;

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson};

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void control_newconn(isc_task_t *task, isc_event_t *event);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellingtonstatic void control_recvmessage(isc_task_t *task, isc_event_t *event);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonfree_controlkey(controlkey_t *key, isc_mem_t *mctx) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (key->keyname != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_free(mctx, key->keyname);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (key->secret.base != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(mctx, key->secret.base, key->secret.length);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(mctx, key, sizeof(*key));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonfree_controlkeylist(controlkeylist_t *keylist, isc_mem_t *mctx) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington while (!ISC_LIST_EMPTY(*keylist)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkey_t *key = ISC_LIST_HEAD(*keylist);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(*keylist, key, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkey(key, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonfree_listener(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington INSIST(listener->exiting);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington INSIST(!listener->listening);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington INSIST(ISC_LIST_EMPTY(listener->connections));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener->sock != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_detach(&listener->sock);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkeylist(&listener->keys, listener->mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener->acl != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_detach(&listener->acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(listener->mctx, listener, sizeof(*listener));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonmaybe_free_listener(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener->exiting &&

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington !listener->listening &&

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_EMPTY(listener->connections))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonmaybe_free_connection(controlconnection_t *conn) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener = conn->listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn->timer != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_timer_detach(&conn->timer);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn->ccmsg_valid) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_cancelread(&conn->ccmsg);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn->sending) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_cancel(conn->sock, listener->task,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_SOCKCANCEL_SEND);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(listener->connections, conn, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(listener->mctx, conn, sizeof(*conn));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonshutdown_listener(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_boolean_t destroy = ISC_TRUE;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->exiting = ISC_TRUE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (!ISC_LIST_EMPTY(listener->connections)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnection_t *conn;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (conn = ISC_LIST_HEAD(listener->connections);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn != NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn = ISC_LIST_NEXT(conn, link))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington maybe_free_connection(conn);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington destroy = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener->sock != NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_cancel(listener->sock, listener->task,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_SOCKCANCEL_ACCEPT);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington destroy = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_sockaddr_format(&listener->address, socktext, sizeof(socktext));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL, ISC_LOG_NOTICE,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "stopping command channel on %s", socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (destroy)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_boolean_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonaddress_ok(isc_sockaddr_t *sockaddr, dns_acl_t *acl) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_netaddr_t netaddr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington int match;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_netaddr_fromsockaddr(&netaddr, sockaddr);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = dns_acl_match(&netaddr, NULL, acl,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington &ns_g_server->aclenv, &match, NULL);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS || match <= 0)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_FALSE);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington else

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_TRUE);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_result_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_accept(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_socket_accept(listener->sock,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->task,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington control_newconn, listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "isc_socket_accept() failed: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington else

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->listening = ISC_TRUE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (result);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_result_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_listen(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_socket_listen(listener->sock, 0);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "isc_socket_listen() failed: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (result);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_next(controllistener_t *listener) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)control_accept(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_senddone(isc_task_t *task, isc_event_t *event) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socketevent_t *sevent = (isc_socketevent_t *) event;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnection_t *conn = event->ev_arg;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener = conn->listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_t *sock = (isc_socket_t *)sevent->ev_sender;

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington REQUIRE(conn->sending);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington UNUSED(task);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->sending = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (sevent->result != ISC_R_SUCCESS &&

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington sevent->result != ISC_R_CANCELED)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_t peeraddr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)isc_socket_getpeername(sock, &peeraddr);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_format(&peeraddr, socktext, sizeof(socktext));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "error sending command response to %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(sevent->result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_event_free(&event);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington result = isccc_ccmsg_readmessage(&conn->ccmsg, listener->task,

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington control_recvmessage, conn);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington if (result != ISC_R_SUCCESS) {

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington isc_socket_detach(&conn->sock);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington maybe_free_connection(conn);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington maybe_free_listener(listener);

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic inline void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonlog_invalid(isccc_ccmsg_t *ccmsg, isc_result_t result) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_t peeraddr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)isc_socket_getpeername(ccmsg->sock, &peeraddr);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_format(&peeraddr, socktext, sizeof(socktext));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL, ISC_LOG_ERROR,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "invalid command from %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_recvmessage(isc_task_t *task, isc_event_t *event) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnection_t *conn;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkey_t *key;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_t *request = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_t *response = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_region_t ccregion;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_region_t secret;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_stdtime_t now;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_buffer_t b;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_region_t r;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_uint32_t len;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington isc_buffer_t text;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington char textarray[1024];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t eresult;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington REQUIRE(event->ev_type == ISCCC_EVENT_CCMSG);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn = event->ev_arg;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener = conn->listener;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington secret.rstart = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn->ccmsg.result != ISC_R_SUCCESS) {

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington if (conn->ccmsg.result != ISC_R_CANCELED &&

091329e690b20755aa80b86cc7389d25c5d32c9bBrian Wellington conn->ccmsg.result != ISC_R_EOF)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington log_invalid(&conn->ccmsg, conn->ccmsg.result);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington request = NULL;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington INSIST(!ISC_LIST_EMPTY(listener->keys));

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington for (key = ISC_LIST_HEAD(listener->keys);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington key != NULL;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington key = ISC_LIST_NEXT(key, link))

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington {

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington ccregion.rstart = isc_buffer_base(&conn->ccmsg.buffer);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington ccregion.rend = isc_buffer_used(&conn->ccmsg.buffer);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington secret.rstart = isc_mem_get(listener->mctx, key->secret.length);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington if (secret.rstart == NULL)

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington goto cleanup;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington memcpy(secret.rstart, key->secret.base, key->secret.length);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington secret.rend = secret.rstart + key->secret.length;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington result = isccc_cc_fromwire(&ccregion, &request, &secret);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington if (result == ISC_R_SUCCESS)

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington break;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington else if (result == ISCCC_R_BADAUTH) {

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington /*

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington if (request != NULL)

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington isccc_sexpr_free(&request);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington isc_mem_put(listener->mctx, secret.rstart,

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington REGION_SIZE(secret));

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington }

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington else {

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington log_invalid(&conn->ccmsg, result);

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington goto cleanup;

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington }

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington }

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington if (key == NULL) {

c2da4f9d8a153ffeb2b659541130abef2d586789Brian Wellington log_invalid(&conn->ccmsg, ISCCC_R_BADAUTH);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /* We shouldn't be getting a reply. */

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (isccc_cc_isreply(request)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington log_invalid(&conn->ccmsg, ISC_R_FAILURE);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington isc_buffer_init(&text, textarray, sizeof(textarray));

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington eresult = ns_control_docommand(request, &text);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_stdtime_get(&now);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isccc_cc_createresponse(request, now, now + 60, &response);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (eresult != ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_t *data;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington data = isccc_alist_lookup(response, "_data");

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (data != NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington const char *estr = isc_result_totext(eresult);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (isccc_cc_definestring(data, "err", estr) == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington if (isc_buffer_usedlength(&text) > 0) {

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington isccc_sexpr_t *data;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington data = isccc_alist_lookup(response, "_data");

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington if (data != NULL) {

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington char *str = (char *)isc_buffer_base(&text);

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington if (isccc_cc_definestring(data, "text", str) == NULL)

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington goto cleanup;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington }

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington }

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ccregion.rstart = conn->buffer + 4;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ccregion.rend = conn->buffer + sizeof(conn->buffer);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isccc_cc_towire(response, &ccregion, &secret);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_buffer_init(&b, conn->buffer, 4);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington len = sizeof(conn->buffer) - REGION_SIZE(ccregion);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_buffer_putuint32(&b, len - 4);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington r.base = conn->buffer;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington r.length = len;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_socket_send(conn->sock, &r, task, control_senddone, conn);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->sending = ISC_TRUE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley if (secret.rstart != NULL)

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley isc_mem_put(listener->mctx, secret.rstart,

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley REGION_SIZE(secret));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (request != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_free(&request);

02d8e643ea6679beff181a2b2b3946b8fe014fecAndreas Gustafsson if (response != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_free(&response);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cleanup:

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley if (secret.rstart != NULL)

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley isc_mem_put(listener->mctx, secret.rstart,

3e9b51fc7b2d12c88298f5b777f9075feb52f071Bob Halley REGION_SIZE(secret));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_detach(&conn->sock);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_invalidate(&conn->ccmsg);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->ccmsg_valid = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington maybe_free_connection(conn);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington maybe_free_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (request != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_free(&request);

02d8e643ea6679beff181a2b2b3946b8fe014fecAndreas Gustafsson if (response != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_sexpr_free(&response);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_timeout(isc_task_t *task, isc_event_t *event) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnection_t *conn = event->ev_arg;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington UNUSED(task);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_timer_detach(&conn->timer);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington maybe_free_connection(conn);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_event_free(&event);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_result_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonnewconnection(controllistener_t *listener, isc_socket_t *sock) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlconnection_t *conn;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_interval_t interval;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn = isc_mem_get(listener->mctx, sizeof(*conn));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_NOMEMORY);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->sock = sock;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_init(listener->mctx, sock, &conn->ccmsg);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->ccmsg_valid = ISC_TRUE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->sending = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->timer = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_interval_set(&interval, 60, 0);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_timer_create(ns_g_timermgr, isc_timertype_once,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NULL, &interval, listener->task,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington control_timeout, conn, &conn->timer);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington conn->listener = listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK_INIT(conn, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isccc_ccmsg_readmessage(&conn->ccmsg, listener->task,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington control_recvmessage, conn);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_setmaxsize(&conn->ccmsg, 2048);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_APPEND(listener->connections, conn, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_SUCCESS);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cleanup:

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isccc_ccmsg_invalidate(&conn->ccmsg);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (conn->timer != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_timer_detach(&conn->timer);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(listener->mctx, conn, sizeof(*conn));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (result);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrol_newconn(isc_task_t *task, isc_event_t *event) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_newconnev_t *nevent = (isc_socket_newconnev_t *)event;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener = event->ev_arg;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_t *sock;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_t peeraddr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington UNUSED(task);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (nevent->result != ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (nevent->result == ISC_R_CANCELED) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_socket_detach(&listener->sock);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->listening = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington shutdown_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto restart;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington sock = nevent->newsocket;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)isc_socket_getpeername(sock, &peeraddr);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (!address_ok(&peeraddr, listener->acl)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_format(&peeraddr, socktext, sizeof(socktext));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "rejected command channel message from %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto restart;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = newconnection(listener, sock);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_format(&peeraddr, socktext, sizeof(socktext));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "dropped command channel from %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto restart;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington restart:

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington control_next(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cleanup:

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_event_free(&event);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafssonns_controls_shutdown(ns_controls_t *controls) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *next;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson for (listener = ISC_LIST_HEAD(controls->listeners);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener != NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener = next)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington next = ISC_LIST_NEXT(listener, link);

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson ISC_LIST_UNLINK(controls->listeners, listener, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington shutdown_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_result_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncfgkeylist_find(cfg_obj_t *keylist, const char *keyname, cfg_obj_t **objp) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_listelt_t *element;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington const char *str;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *obj;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (element = cfg_list_first(keylist);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element != NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element = cfg_list_next(element))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington obj = cfg_listelt_value(element);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington str = cfg_obj_asstring(cfg_map_getname(obj));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (strcasecmp(str, keyname) == 0)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington break;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (element == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_NOTFOUND);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington obj = cfg_listelt_value(element);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington *objp = obj;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_SUCCESS);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic isc_result_t

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtoncontrolkeylist_fromcfg(cfg_obj_t *keylist, isc_mem_t *mctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence controlkeylist_t *keyids)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington{

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_listelt_t *element;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char *newstr = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington const char *str;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *obj;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkey_t *key = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (element = cfg_list_first(keylist);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element != NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element = cfg_list_next(element))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington obj = cfg_listelt_value(element);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington str = cfg_obj_asstring(obj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington newstr = isc_mem_strdup(mctx, str);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (newstr == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington key = isc_mem_get(mctx, sizeof(*key));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (key == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington goto cleanup;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington key->keyname = newstr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington key->secret.base = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington key->secret.length = 0;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK_INIT(key, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_APPEND(*keyids, key, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington key = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington newstr = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_SUCCESS);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cleanup:

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (newstr != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_free(mctx, newstr);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (key != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_mem_put(mctx, key, sizeof(*key));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkeylist(keyids, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return (ISC_R_NOMEMORY);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonregister_keys(cfg_obj_t *control, cfg_obj_t *keylist,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkeylist_t *keyids, isc_mem_t *mctx, char *socktext)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington{

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkey_t *keyid, *next;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *keydef;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char secret[1024];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_buffer_t b;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (keyid = ISC_LIST_HEAD(*keyids); keyid != NULL; keyid = next) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington next = ISC_LIST_NEXT(keyid, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = cfgkeylist_find(keylist, keyid->keyname, &keydef);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

6e0e723b2554ba1c4af8b79733f54bf2692cdecfAndreas Gustafsson "couldn't find key '%s' for use with "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "command channel %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->keyname, socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(*keyids, keyid, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkey(keyid, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington } else {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *algobj = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *secretobj = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char *algstr = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char *secretstr = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)cfg_map_get(keydef, "algorithm", &algobj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)cfg_map_get(keydef, "secret", &secretobj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington INSIST(algobj != NULL && secretobj != NULL);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington algstr = cfg_obj_asstring(algobj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington secretstr = cfg_obj_asstring(secretobj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (strcasecmp(algstr, "hmac-md5") != 0) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(control, ns_g_lctx,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "unsupported algorithm '%s' in "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "key '%s' for use with command "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "channel %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington algstr, keyid->keyname, socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(*keyids, keyid, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkey(keyid, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington continue;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_buffer_init(&b, secret, sizeof(secret));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_base64_decodestring(secretstr, &b);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result != ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(keydef, ns_g_lctx, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "secret for key '%s' on "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "command channel %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->keyname, socktext,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(*keyids, keyid, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkey(keyid, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington continue;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->secret.length = isc_buffer_usedlength(&b);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->secret.base = isc_mem_get(mctx,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->secret.length);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (keyid->secret.base == NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(keydef, ns_g_lctx, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "couldn't register key '%s': "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "out of memory", keyid->keyname);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_UNLINK(*keyids, keyid, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_controlkey(keyid, mctx);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington break;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington memcpy(keyid->secret.base, isc_buffer_base(&b),

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington keyid->secret.length);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic isc_result_t

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencemake_automagic_key(isc_mem_t *mctx) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence unsigned char key_rawsecret[32];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence unsigned char key_txtsecret[32];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_t key_rawbuffer;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_t key_txtbuffer;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_region_t key_rawregion;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_uint32_t key_id;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_t result;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence dst_key_t *key = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = dst_key_generate(dns_rootname, DST_ALG_HMACMD5,

11c4f6b687564cdda8a0a38745e30a12e874084aDavid Lawrence NS_AUTOKEY_BITS, 1, 0, DNS_KEYPROTO_ANY,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence dns_rdataclass_in, mctx, &key);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_init(&key_rawbuffer, &key_rawsecret,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence sizeof(key_rawsecret));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = dst_key_tobuffer(key, &key_rawbuffer);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_init(&key_txtbuffer, &key_txtsecret,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence sizeof(key_txtsecret));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_usedregion(&key_rawbuffer, &key_rawregion);

0eace215bd758e347767c63c13504520e855b94aAndreas Gustafsson result = isc_base64_totext(&key_rawregion, -1, "",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &key_txtbuffer);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence unsigned int len = isc_buffer_usedlength(&key_txtbuffer);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(len < sizeof(automagic_key.secret));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence memcpy(automagic_key.secret, isc_buffer_base(&key_txtbuffer),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence len);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.secret[len] = '\0';

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_random_get(&key_id);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence len = snprintf(automagic_key.name, sizeof(automagic_key.name),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_AUTOKEY_NAME ".%u", key_id);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(len < sizeof(automagic_key.name));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (key != NULL)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence dst_key_free(&key);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result != ISC_R_SUCCESS)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL, ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "could not generate control channel key: %s",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_totext(result));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence return (result);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence}

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic void

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrenceformat_automagic_keycfg(isc_buffer_t *conf) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence unsigned int len;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence len = snprintf(isc_buffer_base(conf), isc_buffer_length(conf),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "key \"%s\" {\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "\talgorithm hmac-md5;\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "\tsecret \"%s\";\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "};\n",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.name, automagic_key.secret);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(len < isc_buffer_length(conf));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_add(conf, len);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence}

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic isc_result_t

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrenceparse_automagic_key(isc_mem_t *mctx) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence unsigned int len;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char cfg_data[512];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_t cfg_buffer;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_t result = ISC_R_SUCCESS;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *cfg = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_parser_t *parser = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (automagic_key.name[0] == '\0')

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = make_automagic_key(mctx);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_init(&cfg_buffer, cfg_data, sizeof(cfg_data));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence format_automagic_keycfg(&cfg_buffer);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence len = snprintf(isc_buffer_used(&cfg_buffer),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_availablelength(&cfg_buffer),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "controls { inet 127.0.0.1 allow { localhost; }"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence " keys { %s; }; };",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.name);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(len < isc_buffer_availablelength(&cfg_buffer));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_add(&cfg_buffer, len);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = cfg_parser_create(mctx, ns_g_lctx, &parser);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = cfg_parse_buffer(parser, &cfg_buffer,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &cfg_type_namedconf, &cfg);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.parser = parser;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.config = cfg;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence } else {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL, ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "could not parse autogenerated "

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "control channel key: %s",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_totext(result));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (parser != NULL)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_parser_destroy(&parser);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence return (result);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence}

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic void

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencefinalize_automagic_key(void) {

4a0b9bb051224b1b98667cbe586afa6d61918564Andreas Gustafsson unsigned int fsaccess;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence int i;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence FILE *fp;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_t result;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (void)isc_file_remove(ns_g_autorndckeyfile);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (automagic_key.parser != NULL) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char cfg_data[512];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence char nettext[ISC_NETADDR_FORMATSIZE];

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_t cfg_buffer;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_netaddr_t netaddr;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = isc_stdio_open(ns_g_autorndckeyfile, "w", &fp);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence fsaccess = 0;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_fsaccess_add(ISC_FSACCESS_OWNER, ISC_FSACCESS_READ,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &fsaccess);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = isc_fsaccess_set(ns_g_autorndckeyfile,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence fsaccess);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result != ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "could not set owner-only "

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "access on %s: %s: "

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "server control key might be "

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "exposed to local users",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ns_g_autorndckeyfile,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_totext(result));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_buffer_init(&cfg_buffer, cfg_data,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence sizeof(cfg_data));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence format_automagic_keycfg(&cfg_buffer);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_netaddr_fromsockaddr(&netaddr,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &automagic_key.address);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_netaddr_format(&netaddr, nettext, sizeof(nettext));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence i = fputs(isc_buffer_base(&cfg_buffer), fp);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (i != EOF)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence i = fprintf(fp, "options {\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "\tdefault-server %s;\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "\tdefault-port %hu;\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "\tdefault-key \"%s\";\n"

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "};\n",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence nettext,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_sockaddr_getport(

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &automagic_key.address),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.name);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (i == EOF)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "could not write %s",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ns_g_autorndckeyfile);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = isc_stdio_close(fp);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result != ISC_R_SUCCESS)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGCATEGORY_GENERAL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGMODULE_CONTROL,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "error closing %s: %s",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ns_g_autorndckeyfile,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_totext(result));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_destroy(automagic_key.parser, &automagic_key.config);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_parser_destroy(&automagic_key.parser);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence}

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencestatic void

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrenceget_key_info(isc_mem_t *mctx, cfg_obj_t *config, cfg_obj_t *control,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t **global_keylistp, cfg_obj_t **control_keylistp,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_boolean_t *explicit_key)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence{

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *control_keylist = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *global_keylist = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_t result = ISC_R_SUCCESS;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence REQUIRE(global_keylistp != NULL && *global_keylistp == NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence REQUIRE(control_keylistp != NULL && *control_keylistp == NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence control_keylist = cfg_tuple_get(control, "keys");

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (cfg_obj_isvoid(control_keylist) ||

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_list_first(control_keylist) == NULL) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *controls = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *inet = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (automagic_key.parser == NULL)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = parse_automagic_key(mctx);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence config = automagic_key.config;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (void)cfg_map_get(config, "key", &global_keylist);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(global_keylist != NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (void)cfg_map_get(config, "controls", &controls);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(controls != NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (void)cfg_map_get(cfg_listelt_value

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (cfg_list_first(controls)),

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "inet", &inet);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(inet != NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence control_keylist =

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_tuple_get(cfg_listelt_value

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence (cfg_list_first(inet)), "keys");

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(control_keylist != NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence *explicit_key = ISC_FALSE;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence } else {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = cfg_map_get(config, "key", &global_keylist);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence *explicit_key = config != automagic_key.config

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ? ISC_TRUE : ISC_FALSE;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence *global_keylistp = global_keylist;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence *control_keylistp = control_keylist;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence } else

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "no key statements for use by control channel");

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence}

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafssonupdate_listener(ns_controls_t *cp,

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson controllistener_t **listenerp, cfg_obj_t *control,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *config, isc_sockaddr_t *addr,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ns_aclconfctx_t *aclconfctx, char *socktext)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington{

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *allow;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *global_keylist = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *control_keylist = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_t *new_acl = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controlkeylist_t keys;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_boolean_t explicit_key;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_result_t result = ISC_R_SUCCESS;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson for (listener = ISC_LIST_HEAD(cp->listeners);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener != NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener = ISC_LIST_NEXT(listener, link))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (isc_sockaddr_equal(addr, &listener->address))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington break;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener == NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington *listenerp = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington return;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence get_key_info(listener->mctx, config, control,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &global_keylist, &control_keylist, &explicit_key);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (control_keylist != NULL) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence INSIST(global_keylist != NULL);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence ISC_LIST_INIT(keys);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = controlkeylist_fromcfg(control_keylist,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence listener->mctx, &keys);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence }

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence free_controlkeylist(&listener->keys, listener->mctx);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence listener->keys = keys;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence register_keys(control, global_keylist, &listener->keys,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence listener->mctx, socktext);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (! explicit_key)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.address = listener->address;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence } else if (global_keylist != NULL)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "couldn't install new keys for "

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "command channel %s: %s",

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence socktext, isc_result_totext(result));

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington allow = cfg_tuple_get(control, "allow");

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = ns_acl_fromconfig(allow, config, aclconfctx,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->mctx, &new_acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_detach(&listener->acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_attach(new_acl, &listener->acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_detach(&new_acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington } else

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /* XXXDCL say the old acl is still used? */

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "couldn't install new acl for "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "command channel %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington *listenerp = listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellingtonstatic void

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafssonadd_listener(ns_controls_t *cp, controllistener_t **listenerp,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *control, cfg_obj_t *config, isc_sockaddr_t *addr,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ns_aclconfctx_t *aclconfctx, char *socktext)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington{

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson isc_mem_t *mctx = cp->server->mctx;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *allow;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *global_keylist = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence cfg_obj_t *control_keylist = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_t *new_acl = NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_boolean_t explicit_key;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_result_t result = ISC_R_SUCCESS;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener = isc_mem_get(mctx, sizeof(*listener));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = ISC_R_NOMEMORY;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS) {

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson listener->controls = cp;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->mctx = mctx;

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson listener->task = cp->server->task;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->address = *addr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->sock = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->listening = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->exiting = ISC_FALSE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->acl = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LINK_INIT(listener, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_INIT(listener->keys);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_INIT(listener->connections);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington allow = cfg_tuple_get(control, "allow");

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = ns_acl_fromconfig(allow, config, aclconfctx, mctx,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington &new_acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_attach(new_acl, &listener->acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington dns_acl_detach(&new_acl);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence get_key_info(listener->mctx, config, control,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &global_keylist, &control_keylist, &explicit_key);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (control_keylist != NULL)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence result = controlkeylist_fromcfg(control_keylist,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence listener->mctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence &listener->keys);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence register_keys(control, global_keylist, &listener->keys,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence listener->mctx, socktext);

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (! explicit_key)

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence automagic_key.address = listener->address;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence } else

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence "couldn't install keys for "

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "command channel %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington int pf = isc_sockaddr_pf(&listener->address);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if ((pf == AF_INET && isc_net_probeipv4() != ISC_R_SUCCESS) ||

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (pf == AF_INET6 && isc_net_probeipv6() != ISC_R_SUCCESS))

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = ISC_R_FAMILYNOSUPPORT;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_socket_create(ns_g_socketmgr,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_pf(&listener->address),

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockettype_tcp,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington &listener->sock);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = isc_socket_bind(listener->sock,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington &listener->address);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = control_listen(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington result = control_accept(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (result == ISC_R_SUCCESS) {

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL, ISC_LOG_NOTICE,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "command channel listening on %s", socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington *listenerp = listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington } else {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener != NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington listener->exiting = ISC_TRUE;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington free_listener(listener);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_log(control, ns_g_lctx, ISC_LOG_WARNING,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "couldn't add command channel %s: %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext, isc_result_totext(result));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington *listenerp = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington }

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /* XXXDCL return error results? fail hard? */

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington}

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrencens_controls_configure(ns_controls_t *cp, cfg_obj_t *config,

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson ns_aclconfctx_t *aclconfctx)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington{

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistener_t *listener;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controllistenerlist_t new_listeners;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *controlslist = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_listelt_t *element, *element2;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington char socktext[ISC_SOCKADDR_FORMATSIZE];

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_INIT(new_listeners);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)cfg_map_get(config, "controls", &controlslist);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (controlslist != NULL) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (element = cfg_list_first(controlslist);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element != NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence element = cfg_list_next(element)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *controls;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *inetcontrols = NULL;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington controls = cfg_listelt_value(element);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington (void)cfg_map_get(controls, "inet", &inetcontrols);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (inetcontrols == NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington continue;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington for (element2 = cfg_list_first(inetcontrols);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington element2 != NULL;

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence element2 = cfg_list_next(element2)) {

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *control;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington cfg_obj_t *obj;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_t *addr;

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington control = cfg_listelt_value(element2);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington obj = cfg_tuple_get(control, "address");

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington addr = cfg_obj_assockaddr(obj);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (isc_sockaddr_getport(addr) == 0)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_setport(addr,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_CONTROL_PORT);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_sockaddr_format(addr, socktext,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington sizeof(socktext));

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington isc_log_write(ns_g_lctx,

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence NS_LOGCATEGORY_GENERAL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington NS_LOGMODULE_CONTROL,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LOG_DEBUG(9),

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington "processing control channel %s",

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

532989b206894bdaf6de6cb883d2e31169c4bfacAndreas Gustafsson update_listener(cp, &listener, control, config,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington addr, aclconfctx, socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington if (listener != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

1f7342e0989d9f9063b0e757cf7091668addfdb5David Lawrence ISC_LIST_UNLINK(cp->listeners,

1f7342e0989d9f9063b0e757cf7091668addfdb5David Lawrence listener, link);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington else

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington /*

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence add_listener(cp, &listener, control,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington config, addr, aclconfctx,

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington socktext);

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington

7332e47e11ceb87928f801b925269aa6a91838b1David Lawrence if (listener != NULL)

1b4e6163bed546ca7f8ad186f3eabfebacc36bc1Brian Wellington ISC_LIST_APPEND(new_listeners,