upstream/bind9
1
0
Fork 0
mirror of https://github.com/isc-projects/bind9.git synced 2026-05-28 04:34:54 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

support printing AAAA in expanded form

Browse source
This commit is contained in:
Mark Andrews 2018-12-06 17:36:46 +11:00 committed by Evan Hunt
parent 6bb57c776e
commit d8798098e8
7 changed files with 80 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
bin/dig/dig.c
View file

@ -187,6 +187,7 @@ help(void) {
" +[no]ednsnegotiation (Set EDNS version negotiation)\n"
" +ednsopt=###[:value] (Send specified EDNS option)\n"
" +noednsopt (Clear list of +ednsopt options)\n"
" +[no]expandaaaa (Expand AAAA records)\n"
" +[no]expire (Request time to expire)\n"
" +[no]fail (Don't try next server on SERVFAIL)\n"
" +[no]header-only (Send query without a question section)\n"
@ -473,6 +474,8 @@ printmessage(dig_query_t *query, dns_message_t *msg, bool headers) {
styleflags |= DNS_STYLEFLAG_NO_CLASS;
if (query->lookup->nocrypto)
styleflags |= DNS_STYLEFLAG_NOCRYPTO;
if (query->lookup->expandaaaa)
styleflags |= DNS_STYLEFLAG_EXPANDAAAA;
if (query->lookup->multiline) {
styleflags |= DNS_STYLEFLAG_OMIT_OWNER;
styleflags |= DNS_STYLEFLAG_OMIT_CLASS;
@ -1034,8 +1037,24 @@ plus_option(char *option, bool is_batchfile,
}
break;
case 'x':
FULLCHECK("expire");
lookup->expire = state;
switch (cmd[2]) {
case 'p':
switch(cmd[3]) {
case 'a':
FULLCHECK("expandaaaa");
lookup->expandaaaa = state;
break;
case 'i':
FULLCHECK("expire");
lookup->expire = state;
break;
default:
goto invalid_option;
}
break;
default:
goto invalid_option;
}
break;
default:
goto invalid_option;

10
bin/dig/dig.docbook
View file

@ -747,6 +747,16 @@
</listitem>
</varlistentry>
<varlistentry>
<term><option>+[no]expandaaaa</option></term>
<listitem>
<para>
When printing AAAA record print all zero nibbles rather
than the default RFC 5952 preferred presentation format.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>+[no]fail</option></term>
<listitem>

2
bin/dig/dighost.c
View file

@ -621,6 +621,7 @@ make_empty_lookup(void) {
looknew->nocrypto = false;
looknew->ttlunits = false;
looknew->ttlunits = false;
looknew->expandaaaa = false;
looknew->qr = false;
#ifdef HAVE_LIBIDN2
looknew->idnin = isatty(1)?(getenv("IDN_DISABLE") == NULL):false;
@ -769,6 +770,7 @@ clone_lookup(dig_lookup_t *lookold, bool servers) {
looknew->use_usec = lookold->use_usec;
looknew->nocrypto = lookold->nocrypto;
looknew->ttlunits = lookold->ttlunits;
looknew->expandaaaa = lookold->expandaaaa;
looknew->qr = lookold->qr;
looknew->idnin = lookold->idnin;
looknew->idnout = lookold->idnout;

1
bin/dig/include/dig/dig.h
View file

@ -140,6 +140,7 @@ struct dig_lookup {
ttlunits,
idnin,
idnout,
expandaaaa,
qr;
char textname[MXNAME]; /*% Name we're going to be looking up */
char cmdline[MXNAME];

24
bin/tests/system/digdelv/tests.sh
View file

@ -636,6 +636,30 @@ if [ -x "$DIG" ] ; then
[ `grep "communications error.*end of file" dig.out.test$n | wc -l` -eq 1 ] || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig +expandaaaa works ($n)"
ret=0
dig_with_opts @10.53.0.3 +expandaaaa AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
grep "ns2.example.*fd92:7065:0b8e:ffff:0000:0000:0000:0002" dig.out.test$n > /dev/null || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig +noexpandaaaa works ($n)"
ret=0
dig_with_opts @10.53.0.3 +noexpandaaaa AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
grep "ns2.example.*fd92:7065:b8e:ffff::2" dig.out.test$n > /dev/null || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig default for +[no]expandaaa (+noexpandaaaa) works ($n)"
ret=0
dig_with_opts @10.53.0.3 AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
grep "ns2.example.*fd92:7065:b8e:ffff::2" dig.out.test$n > /dev/null || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
else
echo_i "$DIG is needed, so skipping these dig tests"
fi

3
lib/dns/include/dns/rdata.h
View file

@ -172,6 +172,9 @@ struct dns_rdata {
/*% Output textual RR type and RDATA in RFC 3597 unknown format */
#define DNS_STYLEFLAG_UNKNOWNFORMAT 0x00000010ULL
/*% Print AAAA record fully expanded */
#define DNS_STYLEFLAG_EXPANDAAAA 0x00000020ULL
#define DNS_RDATA_DOWNCASE DNS_NAME_DOWNCASE
#define DNS_RDATA_CHECKNAMES DNS_NAME_CHECKNAMES
#define DNS_RDATA_CHECKNAMESFAIL DNS_NAME_CHECKNAMESFAIL

21
lib/dns/rdata/in_1/aaaa_28.c
View file

@ -50,12 +50,29 @@ static inline isc_result_t
totext_in_aaaa(ARGS_TOTEXT) {
isc_region_t region;
UNUSED(tctx);
REQUIRE(rdata->type == dns_rdatatype_aaaa);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(rdata->length == 16);
if ((tctx->flags & DNS_STYLEFLAG_EXPANDAAAA) != 0) {
char buf[5*8];
const char *sep = "";
int i, n;
unsigned int len = 0;
for (i = 0; i < 16; i += 2) {
INSIST(len < sizeof(buf));
n = snprintf(buf + len, sizeof(buf) - len,
"%s%02x%02x", sep,
rdata->data[i], rdata->data[i + 1]);
if (n < 0) {
return (ISC_R_FAILURE);
}
len += n;
sep = ":";
}
return (str_totext(buf, target));
}
dns_rdata_toregion(rdata, &region);
return (inet_totext(AF_INET6, &region, target));
}