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Cygwin: resolver: Targets in SRV DNS responses may not be compressed

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RFC2782 clearly says so yet it's a common misconception to perform the
compression in the violation of the standard.  This patch fixes that
This commit is contained in:
Anton Lavrentiev via Cygwin-patches 2022-01-18 17:39:16 -05:00 committed by Corinna Vinschen
parent 09f8c704f8
commit 7b1d4c732e
1 changed files with 1 additions and 0 deletions
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winsup/cygwin/libc/minires-os-if.c
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@ -159,6 +159,7 @@ static unsigned char * write_record(unsigned char * ptr, PDNS_RECORD rr,
PUTSHORT(rr->Data.SRV.wWeight, ptr); PUTSHORT(rr->Data.SRV.wWeight, ptr);
PUTSHORT(rr->Data.SRV.wPort, ptr); PUTSHORT(rr->Data.SRV.wPort, ptr);
} }
dnptrs = 0; /* compression not allowed */
PUTDOMAIN(rr->Data.SRV.pNameTarget, ptr); PUTDOMAIN(rr->Data.SRV.pNameTarget, ptr);
break; break;
default: default: