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getdns_context_unset_edns_maximum_udp_payload_size

This commit is contained in:
Willem Toorop 2017-04-05 12:37:48 +02:00
parent fe49bc1c69
commit 67baa1d651
2 changed files with 27 additions and 18 deletions
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38
src/context.c
View File

@ -153,8 +153,6 @@ static getdns_return_t set_ub_dns_transport(struct getdns_context*);
static void set_ub_limit_outstanding_queries(struct getdns_context*, static void set_ub_limit_outstanding_queries(struct getdns_context*,
uint16_t); uint16_t);
static void set_ub_dnssec_allowed_skew(struct getdns_context*, uint32_t); static void set_ub_dnssec_allowed_skew(struct getdns_context*, uint32_t);
static void set_ub_edns_maximum_udp_payload_size(struct getdns_context*,
int);
#endif #endif
/* Stuff to make it compile pedantically */ /* Stuff to make it compile pedantically */
@ -1798,7 +1796,7 @@ rebuild_ub_ctx(struct getdns_context* context) {
#endif #endif
set_ub_dnssec_allowed_skew(context, set_ub_dnssec_allowed_skew(context,
context->dnssec_allowed_skew); context->dnssec_allowed_skew);
set_ub_edns_maximum_udp_payload_size(context, set_ub_number_opt(context, "edns-buffer-size:",
context->edns_maximum_udp_payload_size); context->edns_maximum_udp_payload_size);
set_ub_dns_transport(context); set_ub_dns_transport(context);
@ -2832,15 +2830,26 @@ error:
} /* getdns_context_set_upstream_recursive_servers */ } /* getdns_context_set_upstream_recursive_servers */
/*
* getdns_context_unset_edns_maximum_udp_payload_size
*
*/
getdns_return_t
getdns_context_unset_edns_maximum_udp_payload_size(getdns_context *context)
{
if (!context)
return GETDNS_RETURN_INVALID_PARAMETER;
#ifdef HAVE_LIBUNBOUND #ifdef HAVE_LIBUNBOUND
static void set_ub_number_opt(context, "edns-buffer-size:", 4096);
set_ub_edns_maximum_udp_payload_size(struct getdns_context* context,
int value) {
/* edns-buffer-size */
if (value >= 512 && value <= 65535)
set_ub_number_opt(context, "edns-buffer-size:", (uint16_t)value);
}
#endif #endif
if (context->edns_maximum_udp_payload_size != -1) {
context->edns_maximum_udp_payload_size = -1;
dispatch_updated(context,
GETDNS_CONTEXT_CODE_EDNS_MAXIMUM_UDP_PAYLOAD_SIZE);
}
return GETDNS_RETURN_GOOD;
} /* getdns_context_set_edns_maximum_udp_payload_size */
/* /*
* getdns_context_set_edns_maximum_udp_payload_size * getdns_context_set_edns_maximum_udp_payload_size
@ -2853,12 +2862,8 @@ getdns_context_set_edns_maximum_udp_payload_size(struct getdns_context *context,
if (!context) if (!context)
return GETDNS_RETURN_INVALID_PARAMETER; return GETDNS_RETURN_INVALID_PARAMETER;
/* check for < 512. uint16_t won't let it go above max) */
if (value < 512)
value = 512;
#ifdef HAVE_LIBUNBOUND #ifdef HAVE_LIBUNBOUND
set_ub_edns_maximum_udp_payload_size(context, value); set_ub_number_opt(context, "edns-buffer-size:", value);
#endif #endif
if (value != context->edns_maximum_udp_payload_size) { if (value != context->edns_maximum_udp_payload_size) {
context->edns_maximum_udp_payload_size = value; context->edns_maximum_udp_payload_size = value;
@ -4151,7 +4156,8 @@ getdns_context_get_edns_maximum_udp_payload_size(getdns_context *context,
uint16_t* value) { uint16_t* value) {
RETURN_IF_NULL(context, GETDNS_RETURN_INVALID_PARAMETER); RETURN_IF_NULL(context, GETDNS_RETURN_INVALID_PARAMETER);
RETURN_IF_NULL(value, GETDNS_RETURN_INVALID_PARAMETER); RETURN_IF_NULL(value, GETDNS_RETURN_INVALID_PARAMETER);
*value = context->edns_maximum_udp_payload_size; *value = context->edns_maximum_udp_payload_size == -1 ? 0
: context->edns_maximum_udp_payload_size;
return GETDNS_RETURN_GOOD; return GETDNS_RETURN_GOOD;
} }

3
src/getdns/getdns_extra.h.in
View File

@ -275,6 +275,9 @@ getdns_context_set_edns_client_subnet_private(getdns_context *context, uint8_t v
getdns_return_t getdns_return_t
getdns_context_set_tls_query_padding_blocksize(getdns_context *context, uint16_t value); getdns_context_set_tls_query_padding_blocksize(getdns_context *context, uint16_t value);
getdns_return_t
getdns_context_unset_edns_maximum_udp_payload_size(getdns_context *context);
/** @} /** @}
*/ */