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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.

(cherry picked from commit bca63437a1)
This commit is contained in:
Mark Andrews 2024-06-05 13:59:39 +10:00
parent fb07c38697
commit fc350f311a
1 changed files with 6 additions and 7 deletions
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13
lib/dns/ssu.c
View file

@ -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: