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Code Issues Releases Wiki Activity

[master] check ECS address length

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This commit is contained in:
Evan Hunt 2016-01-05 12:17:54 -08:00
parent d401f4a4d8
commit 1330ae5fc2
1 changed files with 3 additions and 0 deletions
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3
lib/dns/message.c
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@ -3252,6 +3252,9 @@ render_ecs(isc_buffer_t *ecsbuf, isc_buffer_t *target) {
if (isc_buffer_remaininglength(ecsbuf) < addrbytes) if (isc_buffer_remaininglength(ecsbuf) < addrbytes)
return (DNS_R_OPTERR); return (DNS_R_OPTERR);
if (addrbytes > sizeof(addr))
return (DNS_R_OPTERR);
ADD_STRING(target, ": "); ADD_STRING(target, ": ");
memset(addr, 0, sizeof(addr)); memset(addr, 0, sizeof(addr));
for (i = 0; i < addrbytes; i ++) for (i = 0; i < addrbytes; i ++)