1R"FFIContent( 2/* 3 * This file is part of PowerDNS or dnsdist. 4 * Copyright -- PowerDNS.COM B.V. and its contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of version 2 of the GNU General Public License as 8 * published by the Free Software Foundation. 9 * 10 * In addition, for the avoidance of any doubt, permission is granted to 11 * link this program with OpenSSL and to (re)distribute the binaries 12 * produced as the result of such linking. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 */ 23 24/* we don't use a guard (C++ pragma once or even #ifndef because this file (the .inc version) 25 is passed to the Lua FFI wrapper which doesn't support it */ 26 27typedef struct dnsdist_ffi_dnsquestion_t dnsdist_ffi_dnsquestion_t; 28typedef struct dnsdist_ffi_servers_list_t dnsdist_ffi_servers_list_t; 29typedef struct dnsdist_ffi_server_t dnsdist_ffi_server_t; 30 31typedef struct dnsdist_ffi_ednsoption { 32 uint16_t optionCode; 33 uint16_t len; 34 const void* data; 35} dnsdist_ffi_ednsoption_t; 36 37typedef struct dnsdist_ffi_http_header { 38 const char* name; 39 const char* value; 40} dnsdist_ffi_http_header_t; 41 42typedef struct dnsdist_ffi_tag { 43 const char* name; 44 const char* value; 45} dnsdist_ffi_tag_t; 46 47 48void dnsdist_ffi_dnsquestion_get_localaddr(const dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize) __attribute__ ((visibility ("default"))); 49uint16_t dnsdist_ffi_dnsquestion_get_local_port(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 50void dnsdist_ffi_dnsquestion_get_remoteaddr(const dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize) __attribute__ ((visibility ("default"))); 51void dnsdist_ffi_dnsquestion_get_masked_remoteaddr(dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize, uint8_t bits) __attribute__ ((visibility ("default"))); 52uint16_t dnsdist_ffi_dnsquestion_get_remote_port(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 53void dnsdist_ffi_dnsquestion_get_qname_raw(const dnsdist_ffi_dnsquestion_t* dq, const char** qname, size_t* qnameSize) __attribute__ ((visibility ("default"))); 54size_t dnsdist_ffi_dnsquestion_get_qname_hash(const dnsdist_ffi_dnsquestion_t* dq, size_t init); 55uint16_t dnsdist_ffi_dnsquestion_get_qtype(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 56uint16_t dnsdist_ffi_dnsquestion_get_qclass(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 57int dnsdist_ffi_dnsquestion_get_rcode(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 58void* dnsdist_ffi_dnsquestion_get_header(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 59uint16_t dnsdist_ffi_dnsquestion_get_len(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 60size_t dnsdist_ffi_dnsquestion_get_size(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 61bool dnsdist_ffi_dnsquestion_set_size(dnsdist_ffi_dnsquestion_t* dq, size_t newSize) __attribute__ ((visibility ("default"))); 62uint8_t dnsdist_ffi_dnsquestion_get_opcode(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 63bool dnsdist_ffi_dnsquestion_get_tcp(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 64bool dnsdist_ffi_dnsquestion_get_skip_cache(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 65bool dnsdist_ffi_dnsquestion_get_use_ecs(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 66bool dnsdist_ffi_dnsquestion_get_add_xpf(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 67bool dnsdist_ffi_dnsquestion_get_ecs_override(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 68uint16_t dnsdist_ffi_dnsquestion_get_ecs_prefix_length(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 69bool dnsdist_ffi_dnsquestion_is_temp_failure_ttl_set(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 70uint32_t dnsdist_ffi_dnsquestion_get_temp_failure_ttl(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 71bool dnsdist_ffi_dnsquestion_get_do(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 72void dnsdist_ffi_dnsquestion_get_sni(const dnsdist_ffi_dnsquestion_t* dq, const char** sni, size_t* sniSize) __attribute__ ((visibility ("default"))); 73const char* dnsdist_ffi_dnsquestion_get_tag(const dnsdist_ffi_dnsquestion_t* dq, const char* label) __attribute__ ((visibility ("default"))); 74const char* dnsdist_ffi_dnsquestion_get_http_path(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 75const char* dnsdist_ffi_dnsquestion_get_http_query_string(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 76const char* dnsdist_ffi_dnsquestion_get_http_host(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 77const char* dnsdist_ffi_dnsquestion_get_http_scheme(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 78 79// returns the length of the resulting 'out' array. 'out' is not set if the length is 0 80size_t dnsdist_ffi_dnsquestion_get_edns_options(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_ednsoption_t** out) __attribute__ ((visibility ("default"))); 81size_t dnsdist_ffi_dnsquestion_get_http_headers(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_http_header_t** out) __attribute__ ((visibility ("default"))); 82size_t dnsdist_ffi_dnsquestion_get_tag_array(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_tag_t** out) __attribute__ ((visibility ("default"))); 83 84void dnsdist_ffi_dnsquestion_set_result(dnsdist_ffi_dnsquestion_t* dq, const char* str, size_t strSize) __attribute__ ((visibility ("default"))); 85void dnsdist_ffi_dnsquestion_set_rcode(dnsdist_ffi_dnsquestion_t* dq, int rcode) __attribute__ ((visibility ("default"))); 86void dnsdist_ffi_dnsquestion_set_len(dnsdist_ffi_dnsquestion_t* dq, uint16_t len) __attribute__ ((visibility ("default"))); 87void dnsdist_ffi_dnsquestion_set_skip_cache(dnsdist_ffi_dnsquestion_t* dq, bool skipCache) __attribute__ ((visibility ("default"))); 88void dnsdist_ffi_dnsquestion_set_use_ecs(dnsdist_ffi_dnsquestion_t* dq, bool useECS) __attribute__ ((visibility ("default"))); 89void dnsdist_ffi_dnsquestion_set_ecs_override(dnsdist_ffi_dnsquestion_t* dq, bool ecsOverride) __attribute__ ((visibility ("default"))); 90void dnsdist_ffi_dnsquestion_set_ecs_prefix_length(dnsdist_ffi_dnsquestion_t* dq, uint16_t ecsPrefixLength) __attribute__ ((visibility ("default"))); 91void dnsdist_ffi_dnsquestion_set_temp_failure_ttl(dnsdist_ffi_dnsquestion_t* dq, uint32_t tempFailureTTL) __attribute__ ((visibility ("default"))); 92void dnsdist_ffi_dnsquestion_unset_temp_failure_ttl(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); 93void dnsdist_ffi_dnsquestion_set_tag(dnsdist_ffi_dnsquestion_t* dq, const char* label, const char* value) __attribute__ ((visibility ("default"))); 94 95void dnsdist_ffi_dnsquestion_set_http_response(dnsdist_ffi_dnsquestion_t* dq, uint16_t statusCode, const char* body, size_t bodyLen, const char* contentType) __attribute__ ((visibility ("default"))); 96 97size_t dnsdist_ffi_dnsquestion_get_trailing_data(dnsdist_ffi_dnsquestion_t* dq, const char** out) __attribute__ ((visibility ("default"))); 98 99bool dnsdist_ffi_dnsquestion_set_trailing_data(dnsdist_ffi_dnsquestion_t* dq, const char* data, size_t dataLen) __attribute__ ((visibility ("default"))); 100 101void dnsdist_ffi_dnsquestion_send_trap(dnsdist_ffi_dnsquestion_t* dq, const char* reason, size_t reasonLen) __attribute__ ((visibility ("default"))); 102 103typedef struct dnsdist_ffi_servers_list_t dnsdist_ffi_servers_list_t; 104typedef struct dnsdist_ffi_server_t dnsdist_ffi_server_t; 105 106size_t dnsdist_ffi_servers_list_get_count(const dnsdist_ffi_servers_list_t* list) __attribute__ ((visibility ("default"))); 107void dnsdist_ffi_servers_list_get_server(const dnsdist_ffi_servers_list_t* list, size_t idx, const dnsdist_ffi_server_t** out) __attribute__ ((visibility ("default"))); 108size_t dnsdist_ffi_servers_list_chashed(const dnsdist_ffi_servers_list_t* list, const dnsdist_ffi_dnsquestion_t* dq, size_t hash) __attribute__ ((visibility ("default"))); 109size_t dnsdist_ffi_servers_list_whashed(const dnsdist_ffi_servers_list_t* list, const dnsdist_ffi_dnsquestion_t* dq, size_t hash) __attribute__ ((visibility ("default"))); 110 111uint64_t dnsdist_ffi_server_get_outstanding(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 112bool dnsdist_ffi_server_is_up(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 113const char* dnsdist_ffi_server_get_name(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 114const char* dnsdist_ffi_server_get_name_with_addr(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 115int dnsdist_ffi_server_get_weight(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 116int dnsdist_ffi_server_get_order(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 117double dnsdist_ffi_server_get_latency(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); 118)FFIContent" 119