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NAT64 support

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This implements #721.  Includes documentation and some very basic tests.
Please refer to doc for further detail.
This commit is contained in:
David Lamparter
2022-11-07 11:37:50 +00:00
parent f531faf163
commit 64fb06f892
16 changed files with 528 additions and 17 deletions
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pythonmod/interface.i
+3 -2
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@@ -1378,7 +1378,7 @@ struct delegpt* dns_cache_find_delegation(struct module_env* env,
struct regional* region, struct dns_msg** msg, uint32_t timenow,
int noexpiredabove, uint8_t* expiretop, size_t expiretoplen);
int iter_dp_is_useless(struct query_info* qinfo, uint16_t qflags,
struct delegpt* dp, int supports_ipv4, int supports_ipv6);
struct delegpt* dp, int supports_ipv4, int supports_ipv6, int use_nat64);
struct iter_hints_stub* hints_lookup_stub(struct iter_hints* hints,
uint8_t* qname, uint16_t qclass, struct delegpt* dp);
@@ -1409,7 +1409,8 @@ struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t n
if(!dp)
return NULL;
if(iter_dp_is_useless(&qinfo, BIT_RD, dp,
qstate->env->cfg->do_ip4, qstate->env->cfg->do_ip6)) {
qstate->env->cfg->do_ip4, qstate->env->cfg->do_ip6,
qstate->env->cfg->do_nat64)) {
if (dname_is_root((uint8_t*)nm))
return NULL;
nm = (char*)dp->name;