Port of getdns and Stubby DNS resolver

Stubby is an application that acts as a local DNS stub resolver.

https://getdnsapi.net/
https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby

Ref #2682

repos/ports/lib/import/import-libgetdns.mk

@@ -0,0 +1,2 @@
+GETDNS_PORT_DIR := $(call select_from_ports,getdns)
+INC_DIR += $(GETDNS_PORT_DIR)/include

repos/ports/lib/mk/getdns-gldns.mk

@@ -0,0 +1,12 @@
+include $(REP_DIR)/lib/import/import-libgetdns.mk
+
+GLDNS_SRC_DIR := $(GETDNS_PORT_DIR)/src/lib/getdns/src/gldns
+
+LIBS += libc libssl
+
+INC_DIR += $(GLDNS_SRC_DIR)/..
+INC_DIR += $(REP_DIR)/src/lib/getdns
+
+SRC_C += $(notdir $(wildcard $(GLDNS_SRC_DIR)/*.c))
+
+vpath %.c $(GLDNS_SRC_DIR)

repos/ports/lib/mk/libgetdns.mk

@@ -0,0 +1,31 @@
+include $(REP_DIR)/lib/import/import-libgetdns.mk
+
+GETDNS_SRC_DIR := $(GETDNS_PORT_DIR)/src/lib/getdns/src
+
+LIBS += libc libcrypto libssl libyaml
+
+INC_DIR += $(GETDNS_SRC_DIR)
+INC_DIR += $(GETDNS_SRC_DIR)/../stubby/src
+INC_DIR += $(GETDNS_SRC_DIR)/util/auxiliary
+INC_DIR += $(REP_DIR)/src/lib/getdns
+
+SRC_C += \
+	const-info.c convert.c dict.c dnssec.c general.c \
+	list.c request-internal.c platform.c pubkey-pinning.c rr-dict.c \
+	rr-iter.c server.c stub.c sync.c ub_loop.c util-internal.c \
+	mdns.c context.c rbtree.c select_eventloop.c version.c \
+
+CC_OPT += -D_BSD_SOURCE -D_DEFAULT_SOURCE
+
+SRC_C += $(notdir $(wildcard $(GETDNS_SRC_DIR)/gldns/*.c))
+SRC_C += $(notdir $(wildcard $(GETDNS_SRC_DIR)/jsmn/*.c))
+SRC_C += $(notdir $(wildcard $(GETDNS_SRC_DIR)/ssl_dane/*.c))
+
+vpath %.c $(GETDNS_SRC_DIR)
+vpath %.c $(GETDNS_SRC_DIR)/extension
+vpath %.c $(GETDNS_SRC_DIR)/gldns
+vpath %.c $(GETDNS_SRC_DIR)/jsmn
+vpath %.c $(GETDNS_SRC_DIR)/ssl_dane
+vpath %.c $(GETDNS_SRC_DIR)/util
+
+SHARED_LIB = 1

repos/ports/lib/symbols/libgetdns

@@ -0,0 +1,182 @@
+getdns_address T
+getdns_address_sync T
+getdns_cancel_callback T
+getdns_context_config T
+getdns_context_create T
+getdns_context_create_with_extended_memory_functions T
+getdns_context_create_with_memory_functions T
+getdns_context_destroy T
+getdns_context_detach_eventloop T
+getdns_context_get_api_information T
+getdns_context_get_append_name T
+getdns_context_get_dns_root_servers T
+getdns_context_get_dns_transport T
+getdns_context_get_dns_transport_list T
+getdns_context_get_dnssec_allowed_skew T
+getdns_context_get_dnssec_trust_anchors T
+getdns_context_get_edns_client_subnet_private T
+getdns_context_get_edns_do_bit T
+getdns_context_get_edns_extended_rcode T
+getdns_context_get_edns_maximum_udp_payload_size T
+getdns_context_get_edns_version T
+getdns_context_get_eventloop T
+getdns_context_get_follow_redirects T
+getdns_context_get_hosts T
+getdns_context_get_idle_timeout T
+getdns_context_get_limit_outstanding_queries T
+getdns_context_get_namespaces T
+getdns_context_get_num_pending_requests T
+getdns_context_get_resolution_type T
+getdns_context_get_resolvconf T
+getdns_context_get_round_robin_upstreams T
+getdns_context_get_suffix T
+getdns_context_get_timeout T
+getdns_context_get_tls_authentication T
+getdns_context_get_tls_backoff_time T
+getdns_context_get_tls_ca_file T
+getdns_context_get_tls_ca_path T
+getdns_context_get_tls_cipher_list T
+getdns_context_get_tls_connection_retries T
+getdns_context_get_tls_curves_list T
+getdns_context_get_tls_query_padding_blocksize T
+getdns_context_get_trust_anchors_url T
+getdns_context_get_trust_anchors_verify_CA T
+getdns_context_get_trust_anchors_verify_email T
+getdns_context_get_update_callback T
+getdns_context_get_upstream_recursive_servers T
+getdns_context_process_async T
+getdns_context_run T
+getdns_context_set_appdata_dir T
+getdns_context_set_append_name T
+getdns_context_set_context_update_callback T
+getdns_context_set_dns_root_servers T
+getdns_context_set_dns_transport T
+getdns_context_set_dns_transport_list T
+getdns_context_set_dnssec_allowed_skew T
+getdns_context_set_dnssec_trust_anchors T
+getdns_context_set_edns_client_subnet_private T
+getdns_context_set_edns_do_bit T
+getdns_context_set_edns_extended_rcode T
+getdns_context_set_edns_maximum_udp_payload_size T
+getdns_context_set_edns_version T
+getdns_context_set_eventloop T
+getdns_context_set_extended_memory_functions T
+getdns_context_set_follow_redirects T
+getdns_context_set_hosts T
+getdns_context_set_idle_timeout T
+getdns_context_set_limit_outstanding_queries T
+getdns_context_set_listen_addresses T
+getdns_context_set_logfunc T
+getdns_context_set_memory_functions T
+getdns_context_set_namespaces T
+getdns_context_set_resolution_type T
+getdns_context_set_resolvconf T
+getdns_context_set_return_dnssec_status T
+getdns_context_set_round_robin_upstreams T
+getdns_context_set_suffix T
+getdns_context_set_timeout T
+getdns_context_set_tls_authentication T
+getdns_context_set_tls_backoff_time T
+getdns_context_set_tls_ca_file T
+getdns_context_set_tls_ca_path T
+getdns_context_set_tls_cipher_list T
+getdns_context_set_tls_connection_retries T
+getdns_context_set_tls_curves_list T
+getdns_context_set_tls_query_padding_blocksize T
+getdns_context_set_trust_anchors_url T
+getdns_context_set_trust_anchors_verify_CA T
+getdns_context_set_trust_anchors_verify_email T
+getdns_context_set_update_callback T
+getdns_context_set_upstream_recursive_servers T
+getdns_context_set_use_threads T
+getdns_context_unset_edns_maximum_udp_payload_size T
+getdns_convert_alabel_to_ulabel T
+getdns_convert_dns_name_to_fqdn T
+getdns_convert_fqdn_to_dns_name T
+getdns_convert_ulabel_to_alabel T
+getdns_dict_create T
+getdns_dict_create_with_context T
+getdns_dict_create_with_extended_memory_functions T
+getdns_dict_create_with_memory_functions T
+getdns_dict_destroy T
+getdns_dict_get_bindata T
+getdns_dict_get_data_type T
+getdns_dict_get_dict T
+getdns_dict_get_int T
+getdns_dict_get_list T
+getdns_dict_get_names T
+getdns_dict_remove_name T
+getdns_dict_set_bindata T
+getdns_dict_set_dict T
+getdns_dict_set_int T
+getdns_dict_set_list T
+getdns_dict_util_get_string T
+getdns_dict_util_set_string T
+getdns_display_ip_address T
+getdns_fp2rr_list T
+getdns_general T
+getdns_general_sync T
+getdns_get_api_version T
+getdns_get_api_version_number T
+getdns_get_errorstr_by_id T
+getdns_get_version T
+getdns_get_version_number T
+getdns_hostname T
+getdns_hostname_sync T
+getdns_list_create T
+getdns_list_create_with_context T
+getdns_list_create_with_extended_memory_functions T
+getdns_list_create_with_memory_functions T
+getdns_list_destroy T
+getdns_list_get_bindata T
+getdns_list_get_data_type T
+getdns_list_get_dict T
+getdns_list_get_int T
+getdns_list_get_length T
+getdns_list_get_list T
+getdns_list_set_bindata T
+getdns_list_set_dict T
+getdns_list_set_int T
+getdns_list_set_list T
+getdns_msg_dict2str T
+getdns_msg_dict2str_buf T
+getdns_msg_dict2str_scan T
+getdns_msg_dict2wire T
+getdns_msg_dict2wire_buf T
+getdns_msg_dict2wire_scan T
+getdns_pretty_print_dict T
+getdns_pretty_print_list T
+getdns_pretty_snprint_dict T
+getdns_pretty_snprint_list T
+getdns_print_json_dict T
+getdns_print_json_list T
+getdns_pubkey_pin_create_from_string T
+getdns_pubkey_pinset_sanity_check T
+getdns_reply T
+getdns_root_trust_anchor T
+getdns_rr_dict2str T
+getdns_rr_dict2str_buf T
+getdns_rr_dict2str_scan T
+getdns_rr_dict2wire T
+getdns_rr_dict2wire_buf T
+getdns_rr_dict2wire_scan T
+getdns_service T
+getdns_service_sync T
+getdns_snprint_json_dict T
+getdns_snprint_json_list T
+getdns_str2bindata T
+getdns_str2dict T
+getdns_str2int T
+getdns_str2list T
+getdns_str2rr_dict T
+getdns_strerror T
+getdns_validate_dnssec T
+getdns_validate_dnssec2 T
+getdns_wire2msg_dict T
+getdns_wire2msg_dict_buf T
+getdns_wire2msg_dict_scan T
+getdns_wire2rr_dict T
+getdns_wire2rr_dict_buf T
+getdns_wire2rr_dict_scan T
+plain_mem_funcs_user_arg T
+priv_getdns_context_mf T