6318052d9e
lots of new features compared to 9.4.x, including: Full NSEC3 support Automatic zone re-signing New update-policy methods tcp-self and 6to4-self DHCID support. More detailed statistics counters including those supported in BIND 8. Faster ACL processing. Efficient LRU cache-cleaning mechanism. NSID support.
1356 lines
43 KiB
C
1356 lines
43 KiB
C
/*
|
|
* Copyright (C) 2008, 2009 Internet Systems Consortium, Inc. ("ISC")
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/* $Id: statschannel.c,v 1.14.64.6 2009/02/17 03:43:07 marka Exp $ */
|
|
|
|
/*! \file */
|
|
|
|
#include <config.h>
|
|
|
|
#include <isc/buffer.h>
|
|
#include <isc/httpd.h>
|
|
#include <isc/mem.h>
|
|
#include <isc/once.h>
|
|
#include <isc/print.h>
|
|
#include <isc/socket.h>
|
|
#include <isc/stats.h>
|
|
#include <isc/task.h>
|
|
|
|
#include <dns/db.h>
|
|
#include <dns/opcode.h>
|
|
#include <dns/resolver.h>
|
|
#include <dns/rdataclass.h>
|
|
#include <dns/rdatatype.h>
|
|
#include <dns/stats.h>
|
|
#include <dns/view.h>
|
|
#include <dns/zt.h>
|
|
|
|
#include <named/log.h>
|
|
#include <named/server.h>
|
|
#include <named/statschannel.h>
|
|
|
|
#include "bind9.xsl.h"
|
|
|
|
struct ns_statschannel {
|
|
/* Unlocked */
|
|
isc_httpdmgr_t *httpdmgr;
|
|
isc_sockaddr_t address;
|
|
isc_mem_t *mctx;
|
|
|
|
/*
|
|
* Locked by channel lock: can be referenced and modified by both
|
|
* the server task and the channel task.
|
|
*/
|
|
isc_mutex_t lock;
|
|
dns_acl_t *acl;
|
|
|
|
/* Locked by server task */
|
|
ISC_LINK(struct ns_statschannel) link;
|
|
};
|
|
|
|
typedef enum { statsformat_file, statsformat_xml } statsformat_t;
|
|
|
|
typedef struct
|
|
stats_dumparg {
|
|
statsformat_t type;
|
|
void *arg; /* type dependent argument */
|
|
int ncounters; /* used for general statistics */
|
|
int *counterindices; /* used for general statistics */
|
|
isc_uint64_t *countervalues; /* used for general statistics */
|
|
} stats_dumparg_t;
|
|
|
|
static isc_once_t once = ISC_ONCE_INIT;
|
|
|
|
/*%
|
|
* Statistics descriptions. These could be statistically initialized at
|
|
* compile time, but we configure them run time in the init_desc() function
|
|
* below so that they'll be less susceptible to counter name changes.
|
|
*/
|
|
static const char *nsstats_desc[dns_nsstatscounter_max];
|
|
static const char *resstats_desc[dns_resstatscounter_max];
|
|
static const char *zonestats_desc[dns_zonestatscounter_max];
|
|
static const char *sockstats_desc[isc_sockstatscounter_max];
|
|
#ifdef HAVE_LIBXML2
|
|
static const char *nsstats_xmldesc[dns_nsstatscounter_max];
|
|
static const char *resstats_xmldesc[dns_resstatscounter_max];
|
|
static const char *zonestats_xmldesc[dns_zonestatscounter_max];
|
|
static const char *sockstats_xmldesc[isc_sockstatscounter_max];
|
|
#else
|
|
#define nsstats_xmldesc NULL
|
|
#define resstats_xmldesc NULL
|
|
#define zonestats_xmldesc NULL
|
|
#define sockstats_xmldesc NULL
|
|
#endif /* HAVE_LIBXML2 */
|
|
|
|
/*%
|
|
* Mapping arrays to represent statistics counters in the order of our
|
|
* preference, regardless of the order of counter indices. For example,
|
|
* nsstats_desc[nsstats_index[0]] will be the description that is shown first.
|
|
*/
|
|
static int nsstats_index[dns_nsstatscounter_max];
|
|
static int resstats_index[dns_resstatscounter_max];
|
|
static int zonestats_index[dns_zonestatscounter_max];
|
|
static int sockstats_index[isc_sockstatscounter_max];
|
|
|
|
static inline void
|
|
set_desc(int counter, int maxcounter, const char *fdesc, const char **fdescs,
|
|
const char *xdesc, const char **xdescs)
|
|
{
|
|
REQUIRE(counter < maxcounter);
|
|
REQUIRE(fdescs[counter] == NULL);
|
|
#ifdef HAVE_LIBXML2
|
|
REQUIRE(xdescs[counter] == NULL);
|
|
#endif
|
|
|
|
fdescs[counter] = fdesc;
|
|
#ifdef HAVE_LIBXML2
|
|
xdescs[counter] = xdesc;
|
|
#else
|
|
UNUSED(xdesc);
|
|
UNUSED(xdescs);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
init_desc(void) {
|
|
int i;
|
|
|
|
/* Initialize name server statistics */
|
|
memset((void *)nsstats_desc, 0,
|
|
dns_nsstatscounter_max * sizeof(nsstats_desc[0]));
|
|
#ifdef HAVE_LIBXML2
|
|
memset((void *)nsstats_xmldesc, 0,
|
|
dns_nsstatscounter_max * sizeof(nsstats_xmldesc[0]));
|
|
#endif
|
|
|
|
#define SET_NSSTATDESC(counterid, desc, xmldesc) \
|
|
do { \
|
|
set_desc(dns_nsstatscounter_ ## counterid, \
|
|
dns_nsstatscounter_max, \
|
|
desc, nsstats_desc, xmldesc, nsstats_xmldesc); \
|
|
nsstats_index[i++] = dns_nsstatscounter_ ## counterid; \
|
|
} while (0)
|
|
|
|
i = 0;
|
|
SET_NSSTATDESC(requestv4, "IPv4 requests received", "Requestv4");
|
|
SET_NSSTATDESC(requestv6, "IPv6 requests received", "Requestv6");
|
|
SET_NSSTATDESC(edns0in, "requests with EDNS(0) received", "ReqEdns0");
|
|
SET_NSSTATDESC(badednsver,
|
|
"requests with unsupported EDNS version received",
|
|
"ReqBadEDNSVer");
|
|
SET_NSSTATDESC(tsigin, "requests with TSIG received", "ReqTSIG");
|
|
SET_NSSTATDESC(sig0in, "requests with SIG(0) received", "ReqSIG0");
|
|
SET_NSSTATDESC(invalidsig, "requests with invalid signature",
|
|
"ReqBadSIG");
|
|
SET_NSSTATDESC(tcp, "TCP requests received", "ReqTCP");
|
|
SET_NSSTATDESC(authrej, "auth queries rejected", "AuthQryRej");
|
|
SET_NSSTATDESC(recurserej, "recursive queries rejected", "RecQryRej");
|
|
SET_NSSTATDESC(xfrrej, "transfer requests rejected", "XfrRej");
|
|
SET_NSSTATDESC(updaterej, "update requests rejected", "UpdateRej");
|
|
SET_NSSTATDESC(response, "responses sent", "Response");
|
|
SET_NSSTATDESC(truncatedresp, "truncated responses sent",
|
|
"TruncatedResp");
|
|
SET_NSSTATDESC(edns0out, "responses with EDNS(0) sent", "RespEDNS0");
|
|
SET_NSSTATDESC(tsigout, "responses with TSIG sent", "RespTSIG");
|
|
SET_NSSTATDESC(sig0out, "responses with SIG(0) sent", "RespSIG0");
|
|
SET_NSSTATDESC(success, "queries resulted in successful answer",
|
|
"QrySuccess");
|
|
SET_NSSTATDESC(authans, "queries resulted in authoritative answer",
|
|
"QryAuthAns");
|
|
SET_NSSTATDESC(nonauthans,
|
|
"queries resulted in non authoritative answer",
|
|
"QryNoauthAns");
|
|
SET_NSSTATDESC(referral, "queries resulted in referral answer",
|
|
"QryReferral");
|
|
SET_NSSTATDESC(nxrrset, "queries resulted in nxrrset", "QryNxrrset");
|
|
SET_NSSTATDESC(servfail, "queries resulted in SERVFAIL", "QrySERVFAIL");
|
|
SET_NSSTATDESC(formerr, "queries resulted in FORMERR", "QryFORMERR");
|
|
SET_NSSTATDESC(nxdomain, "queries resulted in NXDOMAIN", "QryNXDOMAIN");
|
|
SET_NSSTATDESC(recursion, "queries caused recursion","QryRecursion");
|
|
SET_NSSTATDESC(duplicate, "duplicate queries received", "QryDuplicate");
|
|
SET_NSSTATDESC(dropped, "queries dropped", "QryDropped");
|
|
SET_NSSTATDESC(failure, "other query failures", "QryFailure");
|
|
SET_NSSTATDESC(xfrdone, "requested transfers completed", "XfrReqDone");
|
|
SET_NSSTATDESC(updatereqfwd, "update requests forwarded",
|
|
"UpdateReqFwd");
|
|
SET_NSSTATDESC(updaterespfwd, "update responses forwarded",
|
|
"UpdateRespFwd");
|
|
SET_NSSTATDESC(updatefwdfail, "update forward failed", "UpdateFwdFail");
|
|
SET_NSSTATDESC(updatedone, "updates completed", "UpdateDone");
|
|
SET_NSSTATDESC(updatefail, "updates failed", "UpdateFail");
|
|
SET_NSSTATDESC(updatebadprereq,
|
|
"updates rejected due to prerequisite failure",
|
|
"UpdateBadPrereq");
|
|
INSIST(i == dns_nsstatscounter_max);
|
|
|
|
/* Initialize resolver statistics */
|
|
memset((void *)resstats_desc, 0,
|
|
dns_resstatscounter_max * sizeof(resstats_desc[0]));
|
|
#ifdef HAVE_LIBXML2
|
|
memset((void *)resstats_xmldesc, 0,
|
|
dns_resstatscounter_max * sizeof(resstats_xmldesc[0]));
|
|
#endif
|
|
|
|
#define SET_RESSTATDESC(counterid, desc, xmldesc) \
|
|
do { \
|
|
set_desc(dns_resstatscounter_ ## counterid, \
|
|
dns_resstatscounter_max, \
|
|
desc, resstats_desc, xmldesc, resstats_xmldesc); \
|
|
resstats_index[i++] = dns_resstatscounter_ ## counterid; \
|
|
} while (0)
|
|
|
|
i = 0;
|
|
SET_RESSTATDESC(queryv4, "IPv4 queries sent", "Queryv4");
|
|
SET_RESSTATDESC(queryv6, "IPv6 queries sent", "Queryv6");
|
|
SET_RESSTATDESC(responsev4, "IPv4 responses received", "Responsev4");
|
|
SET_RESSTATDESC(responsev6, "IPv6 responses received", "Responsev6");
|
|
SET_RESSTATDESC(nxdomain, "NXDOMAIN received", "NXDOMAIN");
|
|
SET_RESSTATDESC(servfail, "SERVFAIL received", "SERVFAIL");
|
|
SET_RESSTATDESC(formerr, "FORMERR received", "FORMERR");
|
|
SET_RESSTATDESC(othererror, "other errors received", "OtherError");
|
|
SET_RESSTATDESC(edns0fail, "EDNS(0) query failures", "EDNS0Fail");
|
|
SET_RESSTATDESC(mismatch, "mismatch responses received", "Mismatch");
|
|
SET_RESSTATDESC(truncated, "truncated responses received", "Truncated");
|
|
SET_RESSTATDESC(lame, "lame delegations received", "Lame");
|
|
SET_RESSTATDESC(retry, "query retries", "Retry");
|
|
SET_RESSTATDESC(dispabort, "queries aborted due to quota",
|
|
"QueryAbort");
|
|
SET_RESSTATDESC(dispsockfail, "failures in opening query sockets",
|
|
"QuerySockFail");
|
|
SET_RESSTATDESC(querytimeout, "query timeouts", "QueryTimeout");
|
|
SET_RESSTATDESC(gluefetchv4, "IPv4 NS address fetches", "GlueFetchv4");
|
|
SET_RESSTATDESC(gluefetchv6, "IPv6 NS address fetches", "GlueFetchv6");
|
|
SET_RESSTATDESC(gluefetchv4fail, "IPv4 NS address fetch failed",
|
|
"GlueFetchv4Fail");
|
|
SET_RESSTATDESC(gluefetchv6fail, "IPv6 NS address fetch failed",
|
|
"GlueFetchv6Fail");
|
|
SET_RESSTATDESC(val, "DNSSEC validation attempted", "ValAttempt");
|
|
SET_RESSTATDESC(valsuccess, "DNSSEC validation succeeded", "ValOk");
|
|
SET_RESSTATDESC(valnegsuccess, "DNSSEC NX validation succeeded",
|
|
"ValNegOk");
|
|
SET_RESSTATDESC(valfail, "DNSSEC validation failed", "ValFail");
|
|
SET_RESSTATDESC(queryrtt0, "queries with RTT < "
|
|
DNS_RESOLVER_QRYRTTCLASS0STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS0STR);
|
|
SET_RESSTATDESC(queryrtt1, "queries with RTT "
|
|
DNS_RESOLVER_QRYRTTCLASS0STR "-"
|
|
DNS_RESOLVER_QRYRTTCLASS1STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS1STR);
|
|
SET_RESSTATDESC(queryrtt2, "queries with RTT "
|
|
DNS_RESOLVER_QRYRTTCLASS1STR "-"
|
|
DNS_RESOLVER_QRYRTTCLASS2STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS2STR);
|
|
SET_RESSTATDESC(queryrtt3, "queries with RTT "
|
|
DNS_RESOLVER_QRYRTTCLASS2STR "-"
|
|
DNS_RESOLVER_QRYRTTCLASS3STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS3STR);
|
|
SET_RESSTATDESC(queryrtt4, "queries with RTT "
|
|
DNS_RESOLVER_QRYRTTCLASS3STR "-"
|
|
DNS_RESOLVER_QRYRTTCLASS4STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR);
|
|
SET_RESSTATDESC(queryrtt5, "queries with RTT > "
|
|
DNS_RESOLVER_QRYRTTCLASS4STR "ms",
|
|
"QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR "+");
|
|
INSIST(i == dns_resstatscounter_max);
|
|
|
|
/* Initialize zone statistics */
|
|
memset((void *)zonestats_desc, 0,
|
|
dns_zonestatscounter_max * sizeof(zonestats_desc[0]));
|
|
#ifdef HAVE_LIBXML2
|
|
memset((void *)zonestats_xmldesc, 0,
|
|
dns_zonestatscounter_max * sizeof(zonestats_xmldesc[0]));
|
|
#endif
|
|
|
|
#define SET_ZONESTATDESC(counterid, desc, xmldesc) \
|
|
do { \
|
|
set_desc(dns_zonestatscounter_ ## counterid, \
|
|
dns_zonestatscounter_max, \
|
|
desc, zonestats_desc, xmldesc, zonestats_xmldesc); \
|
|
zonestats_index[i++] = dns_zonestatscounter_ ## counterid; \
|
|
} while (0)
|
|
|
|
i = 0;
|
|
SET_ZONESTATDESC(notifyoutv4, "IPv4 notifies sent", "NotifyOutv4");
|
|
SET_ZONESTATDESC(notifyoutv6, "IPv6 notifies sent", "NotifyOutv6");
|
|
SET_ZONESTATDESC(notifyinv4, "IPv4 notifies received", "NotifyInv4");
|
|
SET_ZONESTATDESC(notifyinv6, "IPv6 notifies received", "NotifyInv6");
|
|
SET_ZONESTATDESC(notifyrej, "notifies rejected", "NotifyRej");
|
|
SET_ZONESTATDESC(soaoutv4, "IPv4 SOA queries sent", "SOAOutv4");
|
|
SET_ZONESTATDESC(soaoutv6, "IPv6 SOA queries sent", "SOAOutv6");
|
|
SET_ZONESTATDESC(axfrreqv4, "IPv4 AXFR requested", "AXFRReqv4");
|
|
SET_ZONESTATDESC(axfrreqv6, "IPv6 AXFR requested", "AXFRReqv6");
|
|
SET_ZONESTATDESC(ixfrreqv4, "IPv4 IXFR requested", "IXFRReqv4");
|
|
SET_ZONESTATDESC(ixfrreqv6, "IPv6 IXFR requested", "IXFRReqv6");
|
|
SET_ZONESTATDESC(xfrsuccess, "transfer requests succeeded","XfrSuccess");
|
|
SET_ZONESTATDESC(xfrfail, "transfer requests failed", "XfrFail");
|
|
INSIST(i == dns_zonestatscounter_max);
|
|
|
|
/* Initialize socket statistics */
|
|
memset((void *)sockstats_desc, 0,
|
|
isc_sockstatscounter_max * sizeof(sockstats_desc[0]));
|
|
#ifdef HAVE_LIBXML2
|
|
memset((void *)sockstats_xmldesc, 0,
|
|
isc_sockstatscounter_max * sizeof(sockstats_xmldesc[0]));
|
|
#endif
|
|
|
|
#define SET_SOCKSTATDESC(counterid, desc, xmldesc) \
|
|
do { \
|
|
set_desc(isc_sockstatscounter_ ## counterid, \
|
|
isc_sockstatscounter_max, \
|
|
desc, sockstats_desc, xmldesc, sockstats_xmldesc); \
|
|
sockstats_index[i++] = isc_sockstatscounter_ ## counterid; \
|
|
} while (0)
|
|
|
|
i = 0;
|
|
SET_SOCKSTATDESC(udp4open, "UDP/IPv4 sockets opened", "UDP4Open");
|
|
SET_SOCKSTATDESC(udp6open, "UDP/IPv6 sockets opened", "UDP6Open");
|
|
SET_SOCKSTATDESC(tcp4open, "TCP/IPv4 sockets opened", "TCP4Open");
|
|
SET_SOCKSTATDESC(tcp6open, "TCP/IPv6 sockets opened", "TCP6Open");
|
|
SET_SOCKSTATDESC(unixopen, "Unix domain sockets opened", "UnixOpen");
|
|
SET_SOCKSTATDESC(udp4openfail, "UDP/IPv4 socket open failures",
|
|
"UDP4OpenFail");
|
|
SET_SOCKSTATDESC(udp6openfail, "UDP/IPv6 socket open failures",
|
|
"UDP6OpenFail");
|
|
SET_SOCKSTATDESC(tcp4openfail, "TCP/IPv4 socket open failures",
|
|
"TCP4OpenFail");
|
|
SET_SOCKSTATDESC(tcp6openfail, "TCP/IPv6 socket open failures",
|
|
"TCP6OpenFail");
|
|
SET_SOCKSTATDESC(unixopenfail, "Unix domain socket open failures",
|
|
"UnixOpenFail");
|
|
SET_SOCKSTATDESC(udp4close, "UDP/IPv4 sockets closed", "UDP4Close");
|
|
SET_SOCKSTATDESC(udp6close, "UDP/IPv6 sockets closed", "UDP6Close");
|
|
SET_SOCKSTATDESC(tcp4close, "TCP/IPv4 sockets closed", "TCP4Close");
|
|
SET_SOCKSTATDESC(tcp6close, "TCP/IPv6 sockets closed", "TCP6Close");
|
|
SET_SOCKSTATDESC(unixclose, "Unix domain sockets closed", "UnixClose");
|
|
SET_SOCKSTATDESC(fdwatchclose, "FDwatch sockets closed",
|
|
"FDWatchClose");
|
|
SET_SOCKSTATDESC(udp4bindfail, "UDP/IPv4 socket bind failures",
|
|
"UDP4BindFail");
|
|
SET_SOCKSTATDESC(udp6bindfail, "UDP/IPv6 socket bind failures",
|
|
"UDP6BindFail");
|
|
SET_SOCKSTATDESC(tcp4bindfail, "TCP/IPv4 socket bind failures",
|
|
"TCP4BindFail");
|
|
SET_SOCKSTATDESC(tcp6bindfail, "TCP/IPv6 socket bind failures",
|
|
"TCP6BindFail");
|
|
SET_SOCKSTATDESC(unixbindfail, "Unix domain socket bind failures",
|
|
"UnixBindFail");
|
|
SET_SOCKSTATDESC(fdwatchbindfail, "FDwatch socket bind failures",
|
|
"FdwatchBindFail");
|
|
SET_SOCKSTATDESC(udp4connectfail, "UDP/IPv4 socket connect failures",
|
|
"UDP4ConnFail");
|
|
SET_SOCKSTATDESC(udp6connectfail, "UDP/IPv6 socket connect failures",
|
|
"UDP6ConnFail");
|
|
SET_SOCKSTATDESC(tcp4connectfail, "TCP/IPv4 socket connect failures",
|
|
"TCP4ConnFail");
|
|
SET_SOCKSTATDESC(tcp6connectfail, "TCP/IPv6 socket connect failures",
|
|
"TCP6ConnFail");
|
|
SET_SOCKSTATDESC(unixconnectfail, "Unix domain socket connect failures",
|
|
"UnixConnFail");
|
|
SET_SOCKSTATDESC(fdwatchconnectfail, "FDwatch socket connect failures",
|
|
"FDwatchConnFail");
|
|
SET_SOCKSTATDESC(udp4connect, "UDP/IPv4 connections established",
|
|
"UDP4Conn");
|
|
SET_SOCKSTATDESC(udp6connect, "UDP/IPv6 connections established",
|
|
"UDP6Conn");
|
|
SET_SOCKSTATDESC(tcp4connect, "TCP/IPv4 connections established",
|
|
"TCP4Conn");
|
|
SET_SOCKSTATDESC(tcp6connect, "TCP/IPv6 connections established",
|
|
"TCP6Conn");
|
|
SET_SOCKSTATDESC(unixconnect, "Unix domain connections established",
|
|
"UnixConn");
|
|
SET_SOCKSTATDESC(fdwatchconnect,
|
|
"FDwatch domain connections established",
|
|
"FDwatchConn");
|
|
SET_SOCKSTATDESC(tcp4acceptfail, "TCP/IPv4 connection accept failures",
|
|
"TCP4AcceptFail");
|
|
SET_SOCKSTATDESC(tcp6acceptfail, "TCP/IPv6 connection accept failures",
|
|
"TCP6AcceptFail");
|
|
SET_SOCKSTATDESC(unixacceptfail,
|
|
"Unix domain connection accept failures",
|
|
"UnixAcceptFail");
|
|
SET_SOCKSTATDESC(tcp4accept, "TCP/IPv4 connections accepted",
|
|
"TCP4Accept");
|
|
SET_SOCKSTATDESC(tcp6accept, "TCP/IPv6 connections accepted",
|
|
"TCP6Accept");
|
|
SET_SOCKSTATDESC(unixaccept, "Unix domain connections accepted",
|
|
"UnixAccept");
|
|
SET_SOCKSTATDESC(udp4sendfail, "UDP/IPv4 send errors", "UDP4SendErr");
|
|
SET_SOCKSTATDESC(udp6sendfail, "UDP/IPv6 send errors", "UDP6SendErr");
|
|
SET_SOCKSTATDESC(tcp4sendfail, "TCP/IPv4 send errors", "TCP4SendErr");
|
|
SET_SOCKSTATDESC(tcp6sendfail, "TCP/IPv6 send errors", "TCP6SendErr");
|
|
SET_SOCKSTATDESC(unixsendfail, "Unix domain send errors",
|
|
"UnixSendErr");
|
|
SET_SOCKSTATDESC(fdwatchsendfail, "FDwatch send errors",
|
|
"FDwatchSendErr");
|
|
SET_SOCKSTATDESC(udp4recvfail, "UDP/IPv4 recv errors", "UDP4RecvErr");
|
|
SET_SOCKSTATDESC(udp6recvfail, "UDP/IPv6 recv errors", "UDP6RecvErr");
|
|
SET_SOCKSTATDESC(tcp4recvfail, "TCP/IPv4 recv errors", "TCP4RecvErr");
|
|
SET_SOCKSTATDESC(tcp6recvfail, "TCP/IPv6 recv errors", "TCP6RecvErr");
|
|
SET_SOCKSTATDESC(unixrecvfail, "Unix domain recv errors",
|
|
"UnixRecvErr");
|
|
SET_SOCKSTATDESC(fdwatchrecvfail, "FDwatch recv errors",
|
|
"FDwatchRecvErr");
|
|
INSIST(i == isc_sockstatscounter_max);
|
|
|
|
/* Sanity check */
|
|
for (i = 0; i < dns_nsstatscounter_max; i++)
|
|
INSIST(nsstats_desc[i] != NULL);
|
|
for (i = 0; i < dns_resstatscounter_max; i++)
|
|
INSIST(resstats_desc[i] != NULL);
|
|
for (i = 0; i < dns_zonestatscounter_max; i++)
|
|
INSIST(zonestats_desc[i] != NULL);
|
|
for (i = 0; i < isc_sockstatscounter_max; i++)
|
|
INSIST(sockstats_desc[i] != NULL);
|
|
#ifdef HAVE_LIBXML2
|
|
for (i = 0; i < dns_nsstatscounter_max; i++)
|
|
INSIST(nsstats_xmldesc[i] != NULL);
|
|
for (i = 0; i < dns_resstatscounter_max; i++)
|
|
INSIST(resstats_xmldesc[i] != NULL);
|
|
for (i = 0; i < dns_zonestatscounter_max; i++)
|
|
INSIST(zonestats_xmldesc[i] != NULL);
|
|
for (i = 0; i < isc_sockstatscounter_max; i++)
|
|
INSIST(sockstats_xmldesc[i] != NULL);
|
|
#endif
|
|
}
|
|
|
|
/*%
|
|
* Dump callback functions.
|
|
*/
|
|
static void
|
|
generalstat_dump(isc_statscounter_t counter, isc_uint64_t val, void *arg) {
|
|
stats_dumparg_t *dumparg = arg;
|
|
|
|
REQUIRE(counter < dumparg->ncounters);
|
|
dumparg->countervalues[counter] = val;
|
|
}
|
|
|
|
static void
|
|
dump_counters(isc_stats_t *stats, statsformat_t type, void *arg,
|
|
const char *category, const char **desc, int ncounters,
|
|
int *indices, isc_uint64_t *values, int options)
|
|
{
|
|
int i, index;
|
|
isc_uint64_t value;
|
|
stats_dumparg_t dumparg;
|
|
FILE *fp;
|
|
#ifdef HAVE_LIBXML2
|
|
xmlTextWriterPtr writer;
|
|
#endif
|
|
|
|
#ifndef HAVE_LIBXML2
|
|
UNUSED(category);
|
|
#endif
|
|
|
|
dumparg.type = type;
|
|
dumparg.ncounters = ncounters;
|
|
dumparg.counterindices = indices;
|
|
dumparg.countervalues = values;
|
|
|
|
memset(values, 0, sizeof(values[0]) * ncounters);
|
|
isc_stats_dump(stats, generalstat_dump, &dumparg, options);
|
|
|
|
for (i = 0; i < ncounters; i++) {
|
|
index = indices[i];
|
|
value = values[index];
|
|
|
|
if (value == 0 && (options & ISC_STATSDUMP_VERBOSE) == 0)
|
|
continue;
|
|
|
|
switch (dumparg.type) {
|
|
case statsformat_file:
|
|
fp = arg;
|
|
fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n",
|
|
value, desc[index]);
|
|
break;
|
|
case statsformat_xml:
|
|
#ifdef HAVE_LIBXML2
|
|
writer = arg;
|
|
|
|
if (category != NULL) {
|
|
xmlTextWriterStartElement(writer,
|
|
ISC_XMLCHAR
|
|
category);
|
|
xmlTextWriterStartElement(writer,
|
|
ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR
|
|
desc[index]);
|
|
xmlTextWriterEndElement(writer); /* name */
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR
|
|
"counter");
|
|
} else {
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR
|
|
desc[index]);
|
|
}
|
|
xmlTextWriterWriteFormatString(writer,
|
|
"%" ISC_PRINT_QUADFORMAT
|
|
"u", value);
|
|
xmlTextWriterEndElement(writer); /* counter */
|
|
if (category != NULL)
|
|
xmlTextWriterEndElement(writer); /* category */
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
rdtypestat_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) {
|
|
char typebuf[64];
|
|
const char *typestr;
|
|
stats_dumparg_t *dumparg = arg;
|
|
FILE *fp;
|
|
#ifdef HAVE_LIBXML2
|
|
xmlTextWriterPtr writer;
|
|
#endif
|
|
|
|
if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_OTHERTYPE)
|
|
== 0) {
|
|
dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf,
|
|
sizeof(typebuf));
|
|
typestr = typebuf;
|
|
} else
|
|
typestr = "Others";
|
|
|
|
switch (dumparg->type) {
|
|
case statsformat_file:
|
|
fp = dumparg->arg;
|
|
fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, typestr);
|
|
break;
|
|
case statsformat_xml:
|
|
#ifdef HAVE_LIBXML2
|
|
writer = dumparg->arg;
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdtype");
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR typestr);
|
|
xmlTextWriterEndElement(writer); /* name */
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter");
|
|
xmlTextWriterWriteFormatString(writer,
|
|
"%" ISC_PRINT_QUADFORMAT "u",
|
|
val);
|
|
xmlTextWriterEndElement(writer); /* counter */
|
|
|
|
xmlTextWriterEndElement(writer); /* rdtype */
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rdatasetstats_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) {
|
|
stats_dumparg_t *dumparg = arg;
|
|
FILE *fp;
|
|
char typebuf[64];
|
|
const char *typestr;
|
|
isc_boolean_t nxrrset = ISC_FALSE;
|
|
#ifdef HAVE_LIBXML2
|
|
xmlTextWriterPtr writer;
|
|
#endif
|
|
|
|
if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXDOMAIN)
|
|
!= 0) {
|
|
typestr = "NXDOMAIN";
|
|
} else if ((DNS_RDATASTATSTYPE_ATTR(type) &
|
|
DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) != 0) {
|
|
typestr = "Others";
|
|
} else {
|
|
dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf,
|
|
sizeof(typebuf));
|
|
typestr = typebuf;
|
|
}
|
|
|
|
if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXRRSET)
|
|
!= 0)
|
|
nxrrset = ISC_TRUE;
|
|
|
|
switch (dumparg->type) {
|
|
case statsformat_file:
|
|
fp = dumparg->arg;
|
|
fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s%s\n", val,
|
|
nxrrset ? "!" : "", typestr);
|
|
break;
|
|
case statsformat_xml:
|
|
#ifdef HAVE_LIBXML2
|
|
writer = dumparg->arg;
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "rrset");
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteFormatString(writer, "%s%s",
|
|
nxrrset ? "!" : "", typestr);
|
|
xmlTextWriterEndElement(writer); /* name */
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter");
|
|
xmlTextWriterWriteFormatString(writer,
|
|
"%" ISC_PRINT_QUADFORMAT "u",
|
|
val);
|
|
xmlTextWriterEndElement(writer); /* counter */
|
|
|
|
xmlTextWriterEndElement(writer); /* rrset */
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
opcodestat_dump(dns_opcode_t code, isc_uint64_t val, void *arg) {
|
|
FILE *fp = arg;
|
|
isc_buffer_t b;
|
|
char codebuf[64];
|
|
stats_dumparg_t *dumparg = arg;
|
|
#ifdef HAVE_LIBXML2
|
|
xmlTextWriterPtr writer;
|
|
#endif
|
|
|
|
isc_buffer_init(&b, codebuf, sizeof(codebuf) - 1);
|
|
dns_opcode_totext(code, &b);
|
|
codebuf[isc_buffer_usedlength(&b)] = '\0';
|
|
|
|
switch (dumparg->type) {
|
|
case statsformat_file:
|
|
fp = dumparg->arg;
|
|
fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, codebuf);
|
|
break;
|
|
case statsformat_xml:
|
|
#ifdef HAVE_LIBXML2
|
|
writer = dumparg->arg;
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "opcode");
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR codebuf);
|
|
xmlTextWriterEndElement(writer); /* name */
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter");
|
|
xmlTextWriterWriteFormatString(writer,
|
|
"%" ISC_PRINT_QUADFORMAT "u",
|
|
val);
|
|
xmlTextWriterEndElement(writer); /* counter */
|
|
|
|
xmlTextWriterEndElement(writer); /* opcode */
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_LIBXML2
|
|
|
|
/* XXXMLG below here sucks. */
|
|
|
|
#define TRY(a) do { result = (a); INSIST(result == ISC_R_SUCCESS); } while(0);
|
|
#define TRY0(a) do { xmlrc = (a); INSIST(xmlrc >= 0); } while(0);
|
|
|
|
static isc_result_t
|
|
zone_xmlrender(dns_zone_t *zone, void *arg) {
|
|
char buf[1024 + 32]; /* sufficiently large for zone name and class */
|
|
dns_rdataclass_t rdclass;
|
|
isc_uint32_t serial;
|
|
xmlTextWriterPtr writer = arg;
|
|
isc_stats_t *zonestats;
|
|
isc_uint64_t nsstat_values[dns_nsstatscounter_max];
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "zone");
|
|
|
|
dns_zone_name(zone, buf, sizeof(buf));
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR buf);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
rdclass = dns_zone_getclass(zone);
|
|
dns_rdataclass_format(rdclass, buf, sizeof(buf));
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdataclass");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR buf);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
serial = dns_zone_getserial(zone);
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "serial");
|
|
xmlTextWriterWriteFormatString(writer, "%u", serial);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
zonestats = dns_zone_getrequeststats(zone);
|
|
if (zonestats != NULL) {
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters");
|
|
dump_counters(zonestats, statsformat_xml, writer, NULL,
|
|
nsstats_xmldesc, dns_nsstatscounter_max,
|
|
nsstats_index, nsstat_values,
|
|
ISC_STATSDUMP_VERBOSE);
|
|
xmlTextWriterEndElement(writer); /* counters */
|
|
}
|
|
|
|
xmlTextWriterEndElement(writer); /* zone */
|
|
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
static void
|
|
generatexml(ns_server_t *server, int *buflen, xmlChar **buf) {
|
|
char boottime[sizeof "yyyy-mm-ddThh:mm:ssZ"];
|
|
char nowstr[sizeof "yyyy-mm-ddThh:mm:ssZ"];
|
|
isc_time_t now;
|
|
xmlTextWriterPtr writer;
|
|
xmlDocPtr doc;
|
|
int xmlrc;
|
|
dns_view_t *view;
|
|
stats_dumparg_t dumparg;
|
|
dns_stats_t *cachestats;
|
|
isc_uint64_t nsstat_values[dns_nsstatscounter_max];
|
|
isc_uint64_t resstat_values[dns_resstatscounter_max];
|
|
isc_uint64_t zonestat_values[dns_zonestatscounter_max];
|
|
isc_uint64_t sockstat_values[isc_sockstatscounter_max];
|
|
|
|
isc_time_now(&now);
|
|
isc_time_formatISO8601(&ns_g_boottime, boottime, sizeof boottime);
|
|
isc_time_formatISO8601(&now, nowstr, sizeof nowstr);
|
|
|
|
writer = xmlNewTextWriterDoc(&doc, 0);
|
|
TRY0(xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL));
|
|
TRY0(xmlTextWriterWritePI(writer, ISC_XMLCHAR "xml-stylesheet",
|
|
ISC_XMLCHAR "type=\"text/xsl\" href=\"/bind9.xsl\""));
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "isc"));
|
|
TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version",
|
|
ISC_XMLCHAR "1.0"));
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "bind"));
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "statistics"));
|
|
TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version",
|
|
ISC_XMLCHAR "2.0"));
|
|
|
|
/* Set common fields for statistics dump */
|
|
dumparg.type = statsformat_xml;
|
|
dumparg.arg = writer;
|
|
|
|
/*
|
|
* Start by rendering the views we know of here. For each view we
|
|
* know of, call its rendering function.
|
|
*/
|
|
view = ISC_LIST_HEAD(server->viewlist);
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "views"));
|
|
while (view != NULL) {
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "view");
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR view->name);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "zones");
|
|
dns_zt_apply(view->zonetable, ISC_FALSE, zone_xmlrender,
|
|
writer);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
if (view->resquerystats != NULL) {
|
|
dns_rdatatypestats_dump(view->resquerystats,
|
|
rdtypestat_dump, &dumparg, 0);
|
|
}
|
|
|
|
if (view->resstats != NULL) {
|
|
dump_counters(view->resstats, statsformat_xml, writer,
|
|
"resstat", resstats_xmldesc,
|
|
dns_resstatscounter_max, resstats_index,
|
|
resstat_values, ISC_STATSDUMP_VERBOSE);
|
|
}
|
|
|
|
cachestats = dns_db_getrrsetstats(view->cachedb);
|
|
if (cachestats != NULL) {
|
|
xmlTextWriterStartElement(writer,
|
|
ISC_XMLCHAR "cache");
|
|
dns_rdatasetstats_dump(cachestats, rdatasetstats_dump,
|
|
&dumparg, 0);
|
|
xmlTextWriterEndElement(writer); /* cache */
|
|
}
|
|
|
|
xmlTextWriterEndElement(writer); /* view */
|
|
|
|
view = ISC_LIST_NEXT(view, link);
|
|
}
|
|
TRY0(xmlTextWriterEndElement(writer)); /* views */
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "socketmgr"));
|
|
isc_socketmgr_renderxml(ns_g_socketmgr, writer);
|
|
TRY0(xmlTextWriterEndElement(writer)); /* socketmgr */
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "taskmgr"));
|
|
isc_taskmgr_renderxml(ns_g_taskmgr, writer);
|
|
TRY0(xmlTextWriterEndElement(writer)); /* taskmgr */
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "server"));
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "boot-time");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR boottime);
|
|
xmlTextWriterEndElement(writer);
|
|
xmlTextWriterStartElement(writer, ISC_XMLCHAR "current-time");
|
|
xmlTextWriterWriteString(writer, ISC_XMLCHAR nowstr);
|
|
xmlTextWriterEndElement(writer);
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "requests"));
|
|
dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg,
|
|
0);
|
|
xmlTextWriterEndElement(writer); /* requests */
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "queries-in"));
|
|
dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump,
|
|
&dumparg, 0);
|
|
xmlTextWriterEndElement(writer); /* queries-in */
|
|
|
|
dump_counters(server->nsstats, statsformat_xml, writer,
|
|
"nsstat", nsstats_xmldesc, dns_nsstatscounter_max,
|
|
nsstats_index, nsstat_values, ISC_STATSDUMP_VERBOSE);
|
|
|
|
dump_counters(server->zonestats, statsformat_xml, writer, "zonestat",
|
|
zonestats_xmldesc, dns_zonestatscounter_max,
|
|
zonestats_index, zonestat_values, ISC_STATSDUMP_VERBOSE);
|
|
|
|
/*
|
|
* Most of the common resolver statistics entries are 0, so we don't
|
|
* use the verbose dump here.
|
|
*/
|
|
dump_counters(server->resolverstats, statsformat_xml, writer, "resstat",
|
|
resstats_xmldesc, dns_resstatscounter_max, resstats_index,
|
|
resstat_values, 0);
|
|
|
|
dump_counters(server->sockstats, statsformat_xml, writer, "sockstat",
|
|
sockstats_xmldesc, isc_sockstatscounter_max,
|
|
sockstats_index, sockstat_values, ISC_STATSDUMP_VERBOSE);
|
|
|
|
xmlTextWriterEndElement(writer); /* server */
|
|
|
|
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "memory"));
|
|
isc_mem_renderxml(writer);
|
|
TRY0(xmlTextWriterEndElement(writer)); /* memory */
|
|
|
|
TRY0(xmlTextWriterEndElement(writer)); /* statistics */
|
|
TRY0(xmlTextWriterEndElement(writer)); /* bind */
|
|
TRY0(xmlTextWriterEndElement(writer)); /* isc */
|
|
|
|
TRY0(xmlTextWriterEndDocument(writer));
|
|
|
|
xmlFreeTextWriter(writer);
|
|
|
|
xmlDocDumpFormatMemoryEnc(doc, buf, buflen, "UTF-8", 1);
|
|
xmlFreeDoc(doc);
|
|
}
|
|
|
|
static void
|
|
wrap_xmlfree(isc_buffer_t *buffer, void *arg) {
|
|
UNUSED(arg);
|
|
|
|
xmlFree(isc_buffer_base(buffer));
|
|
}
|
|
|
|
static isc_result_t
|
|
render_index(const char *url, const char *querystring, void *arg,
|
|
unsigned int *retcode, const char **retmsg, const char **mimetype,
|
|
isc_buffer_t *b, isc_httpdfree_t **freecb,
|
|
void **freecb_args)
|
|
{
|
|
unsigned char *msg;
|
|
int msglen;
|
|
ns_server_t *server = arg;
|
|
|
|
UNUSED(url);
|
|
UNUSED(querystring);
|
|
|
|
generatexml(server, &msglen, &msg);
|
|
|
|
*retcode = 200;
|
|
*retmsg = "OK";
|
|
*mimetype = "text/xml";
|
|
isc_buffer_reinit(b, msg, msglen);
|
|
isc_buffer_add(b, msglen);
|
|
*freecb = wrap_xmlfree;
|
|
*freecb_args = NULL;
|
|
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
#endif /* HAVE_LIBXML2 */
|
|
|
|
static isc_result_t
|
|
render_xsl(const char *url, const char *querystring, void *args,
|
|
unsigned int *retcode, const char **retmsg, const char **mimetype,
|
|
isc_buffer_t *b, isc_httpdfree_t **freecb,
|
|
void **freecb_args)
|
|
{
|
|
UNUSED(url);
|
|
UNUSED(querystring);
|
|
UNUSED(args);
|
|
|
|
*retcode = 200;
|
|
*retmsg = "OK";
|
|
*mimetype = "text/xslt+xml";
|
|
isc_buffer_reinit(b, xslmsg, strlen(xslmsg));
|
|
isc_buffer_add(b, strlen(xslmsg));
|
|
*freecb = NULL;
|
|
*freecb_args = NULL;
|
|
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
static void
|
|
shutdown_listener(ns_statschannel_t *listener) {
|
|
char socktext[ISC_SOCKADDR_FORMATSIZE];
|
|
isc_sockaddr_format(&listener->address, socktext, sizeof(socktext));
|
|
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_SERVER,
|
|
ISC_LOG_NOTICE, "stopping statistics channel on %s",
|
|
socktext);
|
|
|
|
isc_httpdmgr_shutdown(&listener->httpdmgr);
|
|
}
|
|
|
|
static isc_boolean_t
|
|
client_ok(const isc_sockaddr_t *fromaddr, void *arg) {
|
|
ns_statschannel_t *listener = arg;
|
|
isc_netaddr_t netaddr;
|
|
char socktext[ISC_SOCKADDR_FORMATSIZE];
|
|
int match;
|
|
|
|
REQUIRE(listener != NULL);
|
|
|
|
isc_netaddr_fromsockaddr(&netaddr, fromaddr);
|
|
|
|
LOCK(&listener->lock);
|
|
if (dns_acl_match(&netaddr, NULL, listener->acl, &ns_g_server->aclenv,
|
|
&match, NULL) == ISC_R_SUCCESS && match > 0) {
|
|
UNLOCK(&listener->lock);
|
|
return (ISC_TRUE);
|
|
}
|
|
UNLOCK(&listener->lock);
|
|
|
|
isc_sockaddr_format(fromaddr, socktext, sizeof(socktext));
|
|
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
|
|
NS_LOGMODULE_SERVER, ISC_LOG_WARNING,
|
|
"rejected statistics connection from %s", socktext);
|
|
|
|
return (ISC_FALSE);
|
|
}
|
|
|
|
static void
|
|
destroy_listener(void *arg) {
|
|
ns_statschannel_t *listener = arg;
|
|
|
|
REQUIRE(listener != NULL);
|
|
REQUIRE(!ISC_LINK_LINKED(listener, link));
|
|
|
|
/* We don't have to acquire the lock here since it's already unlinked */
|
|
dns_acl_detach(&listener->acl);
|
|
|
|
DESTROYLOCK(&listener->lock);
|
|
isc_mem_putanddetach(&listener->mctx, listener, sizeof(*listener));
|
|
}
|
|
|
|
static isc_result_t
|
|
add_listener(ns_server_t *server, ns_statschannel_t **listenerp,
|
|
const cfg_obj_t *listen_params, const cfg_obj_t *config,
|
|
isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx,
|
|
const char *socktext)
|
|
{
|
|
isc_result_t result;
|
|
ns_statschannel_t *listener;
|
|
isc_task_t *task = NULL;
|
|
isc_socket_t *sock = NULL;
|
|
const cfg_obj_t *allow;
|
|
dns_acl_t *new_acl = NULL;
|
|
|
|
listener = isc_mem_get(server->mctx, sizeof(*listener));
|
|
if (listener == NULL)
|
|
return (ISC_R_NOMEMORY);
|
|
|
|
listener->httpdmgr = NULL;
|
|
listener->address = *addr;
|
|
listener->acl = NULL;
|
|
listener->mctx = NULL;
|
|
ISC_LINK_INIT(listener, link);
|
|
|
|
result = isc_mutex_init(&listener->lock);
|
|
if (result != ISC_R_SUCCESS) {
|
|
isc_mem_put(server->mctx, listener, sizeof(*listener));
|
|
return (ISC_R_FAILURE);
|
|
}
|
|
|
|
isc_mem_attach(server->mctx, &listener->mctx);
|
|
|
|
allow = cfg_tuple_get(listen_params, "allow");
|
|
if (allow != NULL && cfg_obj_islist(allow)) {
|
|
result = cfg_acl_fromconfig(allow, config, ns_g_lctx,
|
|
aclconfctx, listener->mctx, 0,
|
|
&new_acl);
|
|
} else
|
|
result = dns_acl_any(listener->mctx, &new_acl);
|
|
if (result != ISC_R_SUCCESS)
|
|
goto cleanup;
|
|
dns_acl_attach(new_acl, &listener->acl);
|
|
dns_acl_detach(&new_acl);
|
|
|
|
result = isc_task_create(ns_g_taskmgr, 0, &task);
|
|
if (result != ISC_R_SUCCESS)
|
|
goto cleanup;
|
|
isc_task_setname(task, "statchannel", NULL);
|
|
|
|
result = isc_socket_create(ns_g_socketmgr, isc_sockaddr_pf(addr),
|
|
isc_sockettype_tcp, &sock);
|
|
if (result != ISC_R_SUCCESS)
|
|
goto cleanup;
|
|
isc_socket_setname(sock, "statchannel", NULL);
|
|
|
|
#ifndef ISC_ALLOW_MAPPED
|
|
isc_socket_ipv6only(sock, ISC_TRUE);
|
|
#endif
|
|
|
|
result = isc_socket_bind(sock, addr, ISC_SOCKET_REUSEADDRESS);
|
|
if (result != ISC_R_SUCCESS)
|
|
goto cleanup;
|
|
|
|
result = isc_httpdmgr_create(server->mctx, sock, task, client_ok,
|
|
destroy_listener, listener, ns_g_timermgr,
|
|
&listener->httpdmgr);
|
|
if (result != ISC_R_SUCCESS)
|
|
goto cleanup;
|
|
|
|
#ifdef HAVE_LIBXML2
|
|
isc_httpdmgr_addurl(listener->httpdmgr, "/", render_index, server);
|
|
#endif
|
|
isc_httpdmgr_addurl(listener->httpdmgr, "/bind9.xsl", render_xsl,
|
|
server);
|
|
|
|
*listenerp = listener;
|
|
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
|
|
NS_LOGMODULE_SERVER, ISC_LOG_NOTICE,
|
|
"statistics channel listening on %s", socktext);
|
|
|
|
cleanup:
|
|
if (result != ISC_R_SUCCESS) {
|
|
if (listener->acl != NULL)
|
|
dns_acl_detach(&listener->acl);
|
|
DESTROYLOCK(&listener->lock);
|
|
isc_mem_putanddetach(&listener->mctx, listener,
|
|
sizeof(*listener));
|
|
}
|
|
if (task != NULL)
|
|
isc_task_detach(&task);
|
|
if (sock != NULL)
|
|
isc_socket_detach(&sock);
|
|
|
|
return (result);
|
|
}
|
|
|
|
static void
|
|
update_listener(ns_server_t *server, ns_statschannel_t **listenerp,
|
|
const cfg_obj_t *listen_params, const cfg_obj_t *config,
|
|
isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx,
|
|
const char *socktext)
|
|
{
|
|
ns_statschannel_t *listener;
|
|
const cfg_obj_t *allow = NULL;
|
|
dns_acl_t *new_acl = NULL;
|
|
isc_result_t result = ISC_R_SUCCESS;
|
|
|
|
for (listener = ISC_LIST_HEAD(server->statschannels);
|
|
listener != NULL;
|
|
listener = ISC_LIST_NEXT(listener, link))
|
|
if (isc_sockaddr_equal(addr, &listener->address))
|
|
break;
|
|
|
|
if (listener == NULL) {
|
|
*listenerp = NULL;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Now, keep the old access list unless a new one can be made.
|
|
*/
|
|
allow = cfg_tuple_get(listen_params, "allow");
|
|
if (allow != NULL && cfg_obj_islist(allow)) {
|
|
result = cfg_acl_fromconfig(allow, config, ns_g_lctx,
|
|
aclconfctx, listener->mctx, 0,
|
|
&new_acl);
|
|
} else
|
|
result = dns_acl_any(listener->mctx, &new_acl);
|
|
|
|
if (result == ISC_R_SUCCESS) {
|
|
LOCK(&listener->lock);
|
|
|
|
dns_acl_detach(&listener->acl);
|
|
dns_acl_attach(new_acl, &listener->acl);
|
|
dns_acl_detach(&new_acl);
|
|
|
|
UNLOCK(&listener->lock);
|
|
} else {
|
|
cfg_obj_log(listen_params, ns_g_lctx, ISC_LOG_WARNING,
|
|
"couldn't install new acl for "
|
|
"statistics channel %s: %s",
|
|
socktext, isc_result_totext(result));
|
|
}
|
|
|
|
*listenerp = listener;
|
|
}
|
|
|
|
isc_result_t
|
|
ns_statschannels_configure(ns_server_t *server, const cfg_obj_t *config,
|
|
cfg_aclconfctx_t *aclconfctx)
|
|
{
|
|
ns_statschannel_t *listener, *listener_next;
|
|
ns_statschannellist_t new_listeners;
|
|
const cfg_obj_t *statschannellist = NULL;
|
|
const cfg_listelt_t *element, *element2;
|
|
char socktext[ISC_SOCKADDR_FORMATSIZE];
|
|
|
|
RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS);
|
|
|
|
ISC_LIST_INIT(new_listeners);
|
|
|
|
/*
|
|
* Get the list of named.conf 'statistics-channels' statements.
|
|
*/
|
|
(void)cfg_map_get(config, "statistics-channels", &statschannellist);
|
|
|
|
/*
|
|
* Run through the new address/port list, noting sockets that are
|
|
* already being listened on and moving them to the new list.
|
|
*
|
|
* Identifying duplicate addr/port combinations is left to either
|
|
* the underlying config code, or to the bind attempt getting an
|
|
* address-in-use error.
|
|
*/
|
|
if (statschannellist != NULL) {
|
|
#ifndef HAVE_LIBXML2
|
|
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
|
|
NS_LOGMODULE_SERVER, ISC_LOG_WARNING,
|
|
"statistics-channels specified but not effective "
|
|
"due to missing XML library");
|
|
#endif
|
|
|
|
for (element = cfg_list_first(statschannellist);
|
|
element != NULL;
|
|
element = cfg_list_next(element)) {
|
|
const cfg_obj_t *statschannel;
|
|
const cfg_obj_t *listenercfg = NULL;
|
|
|
|
statschannel = cfg_listelt_value(element);
|
|
(void)cfg_map_get(statschannel, "inet",
|
|
&listenercfg);
|
|
if (listenercfg == NULL)
|
|
continue;
|
|
|
|
for (element2 = cfg_list_first(listenercfg);
|
|
element2 != NULL;
|
|
element2 = cfg_list_next(element2)) {
|
|
const cfg_obj_t *listen_params;
|
|
const cfg_obj_t *obj;
|
|
isc_sockaddr_t addr;
|
|
|
|
listen_params = cfg_listelt_value(element2);
|
|
|
|
obj = cfg_tuple_get(listen_params, "address");
|
|
addr = *cfg_obj_assockaddr(obj);
|
|
if (isc_sockaddr_getport(&addr) == 0)
|
|
isc_sockaddr_setport(&addr, NS_STATSCHANNEL_HTTPPORT);
|
|
|
|
isc_sockaddr_format(&addr, socktext,
|
|
sizeof(socktext));
|
|
|
|
isc_log_write(ns_g_lctx,
|
|
NS_LOGCATEGORY_GENERAL,
|
|
NS_LOGMODULE_SERVER,
|
|
ISC_LOG_DEBUG(9),
|
|
"processing statistics "
|
|
"channel %s",
|
|
socktext);
|
|
|
|
update_listener(server, &listener,
|
|
listen_params, config, &addr,
|
|
aclconfctx, socktext);
|
|
|
|
if (listener != NULL) {
|
|
/*
|
|
* Remove the listener from the old
|
|
* list, so it won't be shut down.
|
|
*/
|
|
ISC_LIST_UNLINK(server->statschannels,
|
|
listener, link);
|
|
} else {
|
|
/*
|
|
* This is a new listener.
|
|
*/
|
|
isc_result_t r;
|
|
|
|
r = add_listener(server, &listener,
|
|
listen_params, config,
|
|
&addr, aclconfctx,
|
|
socktext);
|
|
if (r != ISC_R_SUCCESS) {
|
|
cfg_obj_log(listen_params,
|
|
ns_g_lctx,
|
|
ISC_LOG_WARNING,
|
|
"couldn't allocate "
|
|
"statistics channel"
|
|
" %s: %s",
|
|
socktext,
|
|
isc_result_totext(r));
|
|
}
|
|
}
|
|
|
|
if (listener != NULL)
|
|
ISC_LIST_APPEND(new_listeners, listener,
|
|
link);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (listener = ISC_LIST_HEAD(server->statschannels);
|
|
listener != NULL;
|
|
listener = listener_next) {
|
|
listener_next = ISC_LIST_NEXT(listener, link);
|
|
ISC_LIST_UNLINK(server->statschannels, listener, link);
|
|
shutdown_listener(listener);
|
|
}
|
|
|
|
ISC_LIST_APPENDLIST(server->statschannels, new_listeners, link);
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
void
|
|
ns_statschannels_shutdown(ns_server_t *server) {
|
|
ns_statschannel_t *listener;
|
|
|
|
while ((listener = ISC_LIST_HEAD(server->statschannels)) != NULL) {
|
|
ISC_LIST_UNLINK(server->statschannels, listener, link);
|
|
shutdown_listener(listener);
|
|
}
|
|
}
|
|
|
|
isc_result_t
|
|
ns_stats_dump(ns_server_t *server, FILE *fp) {
|
|
isc_stdtime_t now;
|
|
isc_result_t result;
|
|
dns_view_t *view;
|
|
dns_zone_t *zone, *next;
|
|
stats_dumparg_t dumparg;
|
|
isc_uint64_t nsstat_values[dns_nsstatscounter_max];
|
|
isc_uint64_t resstat_values[dns_resstatscounter_max];
|
|
isc_uint64_t zonestat_values[dns_zonestatscounter_max];
|
|
isc_uint64_t sockstat_values[isc_sockstatscounter_max];
|
|
|
|
RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS);
|
|
|
|
/* Set common fields */
|
|
dumparg.type = statsformat_file;
|
|
dumparg.arg = fp;
|
|
|
|
isc_stdtime_get(&now);
|
|
fprintf(fp, "+++ Statistics Dump +++ (%lu)\n", (unsigned long)now);
|
|
|
|
fprintf(fp, "++ Incoming Requests ++\n");
|
|
dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg, 0);
|
|
|
|
fprintf(fp, "++ Incoming Queries ++\n");
|
|
dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump,
|
|
&dumparg, 0);
|
|
|
|
fprintf(fp, "++ Outgoing Queries ++\n");
|
|
for (view = ISC_LIST_HEAD(server->viewlist);
|
|
view != NULL;
|
|
view = ISC_LIST_NEXT(view, link)) {
|
|
if (view->resquerystats == NULL)
|
|
continue;
|
|
if (strcmp(view->name, "_default") == 0)
|
|
fprintf(fp, "[View: default]\n");
|
|
else
|
|
fprintf(fp, "[View: %s]\n", view->name);
|
|
dns_rdatatypestats_dump(view->resquerystats, rdtypestat_dump,
|
|
&dumparg, 0);
|
|
}
|
|
|
|
fprintf(fp, "++ Name Server Statistics ++\n");
|
|
dump_counters(server->nsstats, statsformat_file, fp, NULL,
|
|
nsstats_desc, dns_nsstatscounter_max, nsstats_index,
|
|
nsstat_values, 0);
|
|
|
|
fprintf(fp, "++ Zone Maintenance Statistics ++\n");
|
|
dump_counters(server->zonestats, statsformat_file, fp, NULL,
|
|
zonestats_desc, dns_zonestatscounter_max,
|
|
zonestats_index, zonestat_values, 0);
|
|
|
|
fprintf(fp, "++ Resolver Statistics ++\n");
|
|
fprintf(fp, "[Common]\n");
|
|
dump_counters(server->resolverstats, statsformat_file, fp, NULL,
|
|
resstats_desc, dns_resstatscounter_max, resstats_index,
|
|
resstat_values, 0);
|
|
for (view = ISC_LIST_HEAD(server->viewlist);
|
|
view != NULL;
|
|
view = ISC_LIST_NEXT(view, link)) {
|
|
if (view->resstats == NULL)
|
|
continue;
|
|
if (strcmp(view->name, "_default") == 0)
|
|
fprintf(fp, "[View: default]\n");
|
|
else
|
|
fprintf(fp, "[View: %s]\n", view->name);
|
|
dump_counters(view->resstats, statsformat_file, fp, NULL,
|
|
resstats_desc, dns_resstatscounter_max,
|
|
resstats_index, resstat_values, 0);
|
|
}
|
|
|
|
fprintf(fp, "++ Cache DB RRsets ++\n");
|
|
for (view = ISC_LIST_HEAD(server->viewlist);
|
|
view != NULL;
|
|
view = ISC_LIST_NEXT(view, link)) {
|
|
dns_stats_t *cachestats;
|
|
|
|
cachestats = dns_db_getrrsetstats(view->cachedb);
|
|
if (cachestats == NULL)
|
|
continue;
|
|
if (strcmp(view->name, "_default") == 0)
|
|
fprintf(fp, "[View: default]\n");
|
|
else
|
|
fprintf(fp, "[View: %s]\n", view->name);
|
|
dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, &dumparg,
|
|
0);
|
|
}
|
|
|
|
fprintf(fp, "++ Socket I/O Statistics ++\n");
|
|
dump_counters(server->sockstats, statsformat_file, fp, NULL,
|
|
sockstats_desc, isc_sockstatscounter_max, sockstats_index,
|
|
sockstat_values, 0);
|
|
|
|
fprintf(fp, "++ Per Zone Query Statistics ++\n");
|
|
zone = NULL;
|
|
for (result = dns_zone_first(server->zonemgr, &zone);
|
|
result == ISC_R_SUCCESS;
|
|
next = NULL, result = dns_zone_next(zone, &next), zone = next)
|
|
{
|
|
isc_stats_t *zonestats = dns_zone_getrequeststats(zone);
|
|
if (zonestats != NULL) {
|
|
char zonename[DNS_NAME_FORMATSIZE];
|
|
|
|
dns_name_format(dns_zone_getorigin(zone),
|
|
zonename, sizeof(zonename));
|
|
view = dns_zone_getview(zone);
|
|
|
|
fprintf(fp, "[%s", zonename);
|
|
if (strcmp(view->name, "_default") != 0)
|
|
fprintf(fp, " (view: %s)", view->name);
|
|
fprintf(fp, "]\n");
|
|
|
|
dump_counters(zonestats, statsformat_file, fp, NULL,
|
|
nsstats_desc, dns_nsstatscounter_max,
|
|
nsstats_index, nsstat_values, 0);
|
|
}
|
|
}
|
|
|
|
fprintf(fp, "--- Statistics Dump --- (%lu)\n", (unsigned long)now);
|
|
|
|
return (ISC_R_SUCCESS); /* this function currently always succeeds */
|
|
}
|