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resolv: Remove IQUERY support

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This commit is contained in:
Florian Weimer 2017-04-07 13:01:21 +02:00
parent bdc543e338
commit e4e794841e
3 changed files with 7 additions and 18 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2017-04-07 Florian Weimer <fweimer@redhat.com>
* resolv/res_mkquery.c (res_nmkquery): Remove IQUERY support.
2017-04-05 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/sparc/sparc32/Makefile (libc.so-gnulib): New rule.

3
NEWS
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@ -41,6 +41,9 @@ Version 2.26
"The Rules of Hungarian Orthography, 12th edition" and the work of
Egmont Koblinger (Bug 18934).
* res_mkquery and res_nmkquery no longer support the IQUERY opcode. DNS
servers have not supported this opcode for a long time.
Security related changes:
[Add security related changes here]

18
resolv/res_mkquery.c
View File

@ -188,24 +188,6 @@ res_nmkquery(res_state statp,
hp->arcount = htons(1);
break;
case IQUERY:
/*
* Initialize answer section
*/
if (__glibc_unlikely (buflen < 1 + RRFIXEDSZ + datalen))
return (-1);
*cp++ = '\0'; /* no domain name */
NS_PUT16 (type, cp);
NS_PUT16 (class, cp);
NS_PUT32 (0, cp);
NS_PUT16 (datalen, cp);
if (datalen) {
memcpy(cp, data, datalen);
cp += datalen;
}
hp->ancount = htons(1);
break;
default:
return (-1);
}