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[master] serial-update-method date;

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3811.	[func]		"serial-update-method date;" sets serial number
			on dynamic update to today's date in YYYYMMDDNN
			format. (Thanks to Bradley Forschinger.) [RT #24903]
This commit is contained in:
Evan Hunt 2014-04-17 16:05:50 -07:00
parent baa4c2f101
commit 7318bbc262
11 changed files with 146 additions and 14 deletions
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4
CHANGES
View file

@ -1,3 +1,7 @@
3811. [func] "serial-update-method date;" sets serial number
on dynamic update to today's date in YYYYMMDDNN
format. (Thanks to Bradley Forschinger.) [RT #24903]
--- 9.10.0 released ---
3810. [bug] Work around broken nameservers that fail to ignore

3
bin/named/zoneconf.c
View file

@ -1576,6 +1576,9 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig,
if (strcasecmp(cfg_obj_asstring(obj), "unixtime") == 0)
dns_zone_setserialupdatemethod(zone,
dns_updatemethod_unixtime);
else if (strcasecmp(cfg_obj_asstring(obj), "date") == 0)
dns_zone_setserialupdatemethod(zone,
dns_updatemethod_date);
else
dns_zone_setserialupdatemethod(zone,
dns_updatemethod_increment);

2
bin/tests/system/nsupdate/clean.sh
View file

@ -20,7 +20,7 @@
#
rm -f ns1/*.jnl ns2/*.jnl
rm -f ns1/example.db ns1/unixtime.db ns1/update.db ns1/other.db ns1/keytests.db
rm -f ns1/example.db ns1/unixtime.db ns1/yyyymmddvv.db ns1/update.db ns1/other.db ns1/keytests.db
rm -f ns1/md5.key ns1/sha1.key ns1/sha224.key ns1/sha256.key ns1/sha384.key
rm -f ns1/sha512.key ns1/ddns.key
rm -f nsupdate.out

9
bin/tests/system/nsupdate/ns1/named.conf
View file

@ -99,6 +99,15 @@ zone "unixtime.nil" {
serial-update-method unixtime;
};
zone "yyyymmddvv.nil" {
type master;
file "yyyymmddvv.db";
check-integrity no;
allow-update { any; };
allow-transfer { any; };
serial-update-method date;
};
include "md5.key";
include "sha1.key";
include "sha224.key";

1
bin/tests/system/nsupdate/setup.sh
View file

@ -31,6 +31,7 @@ rm -f ns3/example.db.jnl
cp -f ns1/example1.db ns1/example.db
sed 's/example.nil/other.nil/g' ns1/example1.db > ns1/other.db
sed 's/example.nil/unixtime.nil/g' ns1/example1.db > ns1/unixtime.db
sed 's/example.nil/yyyymmddvv.nil/g' ns1/example1.db > ns1/yyyymmddvv.db
sed 's/example.nil/keytests.nil/g' ns1/example1.db > ns1/keytests.db
cp -f ns3/example.db.in ns3/example.db

16
bin/tests/system/nsupdate/tests.sh
View file

@ -581,5 +581,21 @@ if [ $ret -ne 0 ]; then
status=1
fi
n=`expr $n + 1`
echo "I:check that yyyymmddvv serial number is correctly generated ($n)"
oldserial=`$DIG +short yyyymmddvv.nil. soa @10.53.0.1 -p 5300 | awk '{print $3}'` || ret=1
$NSUPDATE <<END > /dev/null 2>&1 || ret=1
server 10.53.0.1 5300
ttl 600
update add new.yyyymmddvv.nil in a 1.2.3.4
send
END
now=`$PERL -e '@lt=localtime(); printf "%.4d%.2d%2d00\n",$lt[5]+1900,$lt[4]+1,$lt[3];'`
sleep 1
serial=`$DIG +short yyyymmddvv.nil. soa @10.53.0.1 -p 5300 | awk '{print $3}'` || ret=1
[ "$oldserial" -ne "$serial" ] || ret=1
[ "$serial" -eq "$now" ] || ret=1
[ $ret = 0 ] || { echo I:failed; status=1; }
echo "I:exit status: $status"
exit $status

11
doc/arm/Bv9ARM-book.xml
View file

@ -11050,7 +11050,7 @@ view "external" {
<optional> auto-dnssec <constant>allow</constant>|<constant>maintain</constant>|<constant>off</constant>; </optional>
<optional> inline-signing <replaceable>yes_or_no</replaceable>; </optional>
<optional> zero-no-soa-ttl <replaceable>yes_or_no</replaceable> ; </optional>
<optional> serial-update-method <constant>increment</constant>|<constant>unixtime</constant>; </optional>
<optional> serial-update-method <constant>increment</constant>|<constant>unixtime</constant>|<constant>date</constant>; </optional>
<optional> max-zone-ttl <replaceable>number</replaceable> ; </optional>
};
@ -12274,6 +12274,15 @@ example.com. NS ns2.example.net.
already greater than or equal to that value, in which
case it is simply incremented by one.
</para>
<para>
When set to
<command>serial-update-method date;</command>, the
new SOA serial number will be the current date
in the form "YYYYMMDD", followed by two zeroes,
unless the existing serial number is already greater
than or equal to that value, in which case it is
incremented by one.
</para>
</listitem>
</varlistentry>

6
lib/dns/include/dns/types.h
View file

@ -347,12 +347,12 @@ typedef enum {
* \li _increment: Add one to the current serial, skipping 0.
* \li _unixtime: Set to the seconds since 00:00 Jan 1, 1970,
* if possible.
* \li _yyyymmvv: Set to Year, Month, Version, if possible.
* (Not yet implemented)
* \li _date: Set to YYYYMMDDVV: Year, Month, Day, Version
*/
typedef enum {
dns_updatemethod_increment = 0,
dns_updatemethod_unixtime
dns_updatemethod_unixtime,
dns_updatemethod_date
} dns_updatemethod_t;
/*

85
lib/dns/tests/update_test.c
View file

@ -39,7 +39,7 @@ static void set_mystdtime(int year, int month, int day) {
memset(&tm, 0, sizeof(tm));
tm.tm_year = year - 1900;
tm.tm_mon = month;
tm.tm_mon = month - 1;
tm.tm_mday = day;
mystdtime = timegm(&tm) ;
}
@ -135,7 +135,7 @@ ATF_TC_BODY(now_to_unix, tc) {
new = dns_update_soaserial(old, dns_updatemethod_unixtime);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, old+1);
ATF_REQUIRE_EQ(new, old + 1);
dns_test_end();
}
@ -158,7 +158,7 @@ ATF_TC_BODY(future_to_unix, tc) {
new = dns_update_soaserial(old, dns_updatemethod_unixtime);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, old+1);
ATF_REQUIRE_EQ(new, old + 1);
dns_test_end();
}
@ -206,7 +206,7 @@ ATF_TC_BODY(undefined_minus1_to_unix, tc) {
new = dns_update_soaserial(old, dns_updatemethod_unixtime);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, old+1);
ATF_REQUIRE_EQ(new, old + 1);
dns_test_end();
}
@ -229,7 +229,7 @@ ATF_TC_BODY(undefined_to_unix, tc) {
new = dns_update_soaserial(old, dns_updatemethod_unixtime);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, old+1);
ATF_REQUIRE_EQ(new, old + 1);
dns_test_end();
}
@ -252,7 +252,77 @@ ATF_TC_BODY(unixtime_zero, tc) {
new = dns_update_soaserial(old, dns_updatemethod_unixtime);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, old+1);
ATF_REQUIRE_EQ(new, old + 1);
dns_test_end();
}
ATF_TC(past_to_date);
ATF_TC_HEAD(past_to_date, tc) {
atf_tc_set_md_var(tc, "descr", "past to date");
}
ATF_TC_BODY(past_to_date, tc) {
isc_uint32_t old, new;
isc_result_t result;
UNUSED(tc);
set_mystdtime(2014, 3, 31);
old = dns_update_soaserial(0, dns_updatemethod_date);
set_mystdtime(2014, 4, 1);
result = dns_test_begin(NULL, ISC_FALSE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
new = dns_update_soaserial(old, dns_updatemethod_date);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, 2014040100);
dns_test_end();
}
ATF_TC(now_to_date);
ATF_TC_HEAD(now_to_date, tc) {
atf_tc_set_md_var(tc, "descr", "now to date");
}
ATF_TC_BODY(now_to_date, tc) {
isc_uint32_t old;
isc_uint32_t new;
isc_result_t result;
UNUSED(tc);
set_mystdtime(2014, 4, 1);
old = dns_update_soaserial(0, dns_updatemethod_date);
result = dns_test_begin(NULL, ISC_FALSE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
new = dns_update_soaserial(old, dns_updatemethod_date);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, 2014040101);
dns_test_end();
}
ATF_TC(future_to_date);
ATF_TC_HEAD(future_to_date, tc) {
atf_tc_set_md_var(tc, "descr", "future to date");
}
ATF_TC_BODY(future_to_date, tc) {
isc_uint32_t old;
isc_uint32_t new;
isc_result_t result;
UNUSED(tc);
set_mystdtime(2014, 4, 1);
old = dns_update_soaserial(0, dns_updatemethod_date);
set_mystdtime(2014, 3, 31);
result = dns_test_begin(NULL, ISC_FALSE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
new = dns_update_soaserial(old, dns_updatemethod_date);
ATF_REQUIRE_EQ(isc_serial_lt(old, new), ISC_TRUE);
ATF_CHECK(new != 0);
ATF_REQUIRE_EQ(new, 2014040101);
dns_test_end();
}
@ -269,6 +339,9 @@ ATF_TP_ADD_TCS(tp) {
ATF_TP_ADD_TC(tp, undefined_plus1_to_unix);
ATF_TP_ADD_TC(tp, undefined_minus1_to_unix);
ATF_TP_ADD_TC(tp, unixtime_zero);
ATF_TP_ADD_TC(tp, past_to_date);
ATF_TP_ADD_TC(tp, now_to_date);
ATF_TP_ADD_TC(tp, future_to_date);
return (atf_no_error());
}

20
lib/dns/update.c
View file

@ -14,10 +14,10 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id$ */
#include <config.h>
#include <time.h>
#include <isc/log.h>
#include <isc/netaddr.h>
#include <isc/print.h>
@ -26,6 +26,7 @@
#include <isc/stdtime.h>
#include <isc/string.h>
#include <isc/taskpool.h>
#include <isc/time.h>
#include <isc/util.h>
#include <dns/db.h>
@ -1846,6 +1847,14 @@ dns_update_signatures(dns_update_log_t *log, dns_zone_t *zone, dns_db_t *db,
return (result);
}
static isc_stdtime_t
epoch_to_yyyymmdd(time_t when) {
struct tm *tm;
tm = localtime(&when);
return (((tm->tm_year + 1900) * 10000) +
((tm->tm_mon + 1) * 100) + tm->tm_mday);
}
isc_uint32_t
dns_update_soaserial(isc_uint32_t serial, dns_updatemethod_t method) {
isc_stdtime_t now;
@ -1854,6 +1863,13 @@ dns_update_soaserial(isc_uint32_t serial, dns_updatemethod_t method) {
isc_stdtime_get(&now);
if (now != 0 && isc_serial_gt(now, serial))
return (now);
} else if (method == dns_updatemethod_date) {
isc_uint32_t new_serial;
isc_stdtime_get(&now);
new_serial = epoch_to_yyyymmdd((time_t) now) * 100;
if (new_serial != 0 && isc_serial_gt(new_serial, serial))
return (new_serial);
}
/* RFC1982 */

3
lib/isccfg/namedconf.c
View file

@ -594,7 +594,8 @@ static cfg_type_t cfg_type_dnssecupdatemode = {
&cfg_rep_string, &dnssecupdatemode_enums
};
static const char *updatemethods_enums[] = { "increment", "unixtime", NULL };
static const char *updatemethods_enums[] = {
"increment", "unixtime", "date", NULL };
static cfg_type_t cfg_type_updatemethod = {
"updatemethod", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum,
&cfg_rep_string, &updatemethods_enums