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enforce DS hash exists

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(cherry picked from commit b274f3fad7)
This commit is contained in:
Mark Andrews 2019-02-27 10:32:18 +11:00
parent 13c87fdf99
commit 8df14d2f89
1 changed files with 1 additions and 1 deletions
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2
lib/dns/rdata/generic/ds_43.c
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@ -174,7 +174,7 @@ generic_fromwire_ds(ARGS_FROMWIRE) {
/*
* Check digest lengths if we know them.
*/
if (sr.length < 4 ||
if (sr.length < 5 ||
(sr.base[3] == DNS_DSDIGEST_SHA1 &&
sr.length < 4 + ISC_SHA1_DIGESTLENGTH) ||
(sr.base[3] == DNS_DSDIGEST_SHA256 &&