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Add missing period to generated IPv4 6to4 name

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The period between the most significant nibble of the IPv4 address
and the 2.0.0.2.IP6.ARPA suffix was missing resulting in the wrong
name being checked.
This commit is contained in:
Mark Andrews
2024-06-05 13:59:39 +10:00
parent 5857a4d397
commit bca63437a1
1 changed files with 6 additions and 7 deletions
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13
lib/dns/ssu.c
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@@ -245,13 +245,12 @@ stf_from_address(dns_name_t *stfself, const isc_netaddr_t *tcpaddr) {
switch (tcpaddr->family) {
case AF_INET:
l = ntohl(tcpaddr->type.in.s_addr);
result = snprintf(buf, sizeof(buf),
"%lx.%lx.%lx.%lx.%lx.%lx.%lx.%lx"
"2.0.0.2.IP6.ARPA.",
l & 0xf, (l >> 4) & 0xf, (l >> 8) & 0xf,
(l >> 12) & 0xf, (l >> 16) & 0xf,
(l >> 20) & 0xf, (l >> 24) & 0xf,
(l >> 28) & 0xf);
result = snprintf(
buf, sizeof(buf),
"%lx.%lx.%lx.%lx.%lx.%lx.%lx.%lx.2.0.0.2.IP6.ARPA.",
l & 0xf, (l >> 4) & 0xf, (l >> 8) & 0xf,
(l >> 12) & 0xf, (l >> 16) & 0xf, (l >> 20) & 0xf,
(l >> 24) & 0xf, (l >> 28) & 0xf);
RUNTIME_CHECK(result < sizeof(buf));
break;
case AF_INET6: