From 4fc2f55f761d71aae1f145d5aa94ba929cc39676 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:34:30 +0200 Subject: Adding upstream version 1.7.3. Signed-off-by: Daniel Baumann --- dnsdist-lua-ffi-interface.inc | 127 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 dnsdist-lua-ffi-interface.inc (limited to 'dnsdist-lua-ffi-interface.inc') diff --git a/dnsdist-lua-ffi-interface.inc b/dnsdist-lua-ffi-interface.inc new file mode 100644 index 0000000..5a3fadd --- /dev/null +++ b/dnsdist-lua-ffi-interface.inc @@ -0,0 +1,127 @@ +R"FFIContent( +/* + * This file is part of PowerDNS or dnsdist. + * Copyright -- PowerDNS.COM B.V. and its contributors + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * In addition, for the avoidance of any doubt, permission is granted to + * link this program with OpenSSL and to (re)distribute the binaries + * produced as the result of such linking. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* we don't use a guard (C++ pragma once or even #ifndef because this file (the .inc version) + is passed to the Lua FFI wrapper which doesn't support it */ + +typedef struct dnsdist_ffi_dnsquestion_t dnsdist_ffi_dnsquestion_t; +typedef struct dnsdist_ffi_servers_list_t dnsdist_ffi_servers_list_t; +typedef struct dnsdist_ffi_server_t dnsdist_ffi_server_t; + +typedef struct dnsdist_ffi_ednsoption { + uint16_t optionCode; + uint16_t len; + const void* data; +} dnsdist_ffi_ednsoption_t; + +typedef struct dnsdist_ffi_http_header { + const char* name; + const char* value; +} dnsdist_ffi_http_header_t; + +typedef struct dnsdist_ffi_tag { + const char* name; + const char* value; +} dnsdist_ffi_tag_t; + +typedef struct dnsdist_ffi_raw_value { + const char* value; + uint16_t size; +} dnsdist_ffi_raw_value_t; + +void dnsdist_ffi_dnsquestion_get_localaddr(const dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_local_port(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_get_remoteaddr(const dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_get_masked_remoteaddr(dnsdist_ffi_dnsquestion_t* dq, const void** addr, size_t* addrSize, uint8_t bits) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_remote_port(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_get_qname_raw(const dnsdist_ffi_dnsquestion_t* dq, const char** qname, size_t* qnameSize) __attribute__ ((visibility ("default"))); +size_t dnsdist_ffi_dnsquestion_get_qname_hash(const dnsdist_ffi_dnsquestion_t* dq, size_t init) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_qtype(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_qclass(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +int dnsdist_ffi_dnsquestion_get_rcode(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +void* dnsdist_ffi_dnsquestion_get_header(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_len(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +size_t dnsdist_ffi_dnsquestion_get_size(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_set_size(dnsdist_ffi_dnsquestion_t* dq, size_t newSize) __attribute__ ((visibility ("default"))); +uint8_t dnsdist_ffi_dnsquestion_get_opcode(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_tcp(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_skip_cache(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_use_ecs(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_add_xpf(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_ecs_override(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +uint16_t dnsdist_ffi_dnsquestion_get_ecs_prefix_length(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_is_temp_failure_ttl_set(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +uint32_t dnsdist_ffi_dnsquestion_get_temp_failure_ttl(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_dnsquestion_get_do(const dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_get_sni(const dnsdist_ffi_dnsquestion_t* dq, const char** sni, size_t* sniSize) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_dnsquestion_get_tag(const dnsdist_ffi_dnsquestion_t* dq, const char* label) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_dnsquestion_get_http_path(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_dnsquestion_get_http_query_string(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_dnsquestion_get_http_host(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_dnsquestion_get_http_scheme(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); + +// returns the length of the resulting 'out' array. 'out' is not set if the length is 0 +size_t dnsdist_ffi_dnsquestion_get_edns_options(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_ednsoption_t** out) __attribute__ ((visibility ("default"))); +size_t dnsdist_ffi_dnsquestion_get_http_headers(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_http_header_t** out) __attribute__ ((visibility ("default"))); +size_t dnsdist_ffi_dnsquestion_get_tag_array(dnsdist_ffi_dnsquestion_t* ref, const dnsdist_ffi_tag_t** out) __attribute__ ((visibility ("default"))); + +void dnsdist_ffi_dnsquestion_set_result(dnsdist_ffi_dnsquestion_t* dq, const char* str, size_t strSize) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_rcode(dnsdist_ffi_dnsquestion_t* dq, int rcode) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_len(dnsdist_ffi_dnsquestion_t* dq, uint16_t len) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_skip_cache(dnsdist_ffi_dnsquestion_t* dq, bool skipCache) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_use_ecs(dnsdist_ffi_dnsquestion_t* dq, bool useECS) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_ecs_override(dnsdist_ffi_dnsquestion_t* dq, bool ecsOverride) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_ecs_prefix_length(dnsdist_ffi_dnsquestion_t* dq, uint16_t ecsPrefixLength) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_temp_failure_ttl(dnsdist_ffi_dnsquestion_t* dq, uint32_t tempFailureTTL) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_unset_temp_failure_ttl(dnsdist_ffi_dnsquestion_t* dq) __attribute__ ((visibility ("default"))); +void dnsdist_ffi_dnsquestion_set_tag(dnsdist_ffi_dnsquestion_t* dq, const char* label, const char* value) __attribute__ ((visibility ("default"))); + +void 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"))); + +size_t dnsdist_ffi_dnsquestion_get_trailing_data(dnsdist_ffi_dnsquestion_t* dq, const char** out) __attribute__ ((visibility ("default"))); + +bool dnsdist_ffi_dnsquestion_set_trailing_data(dnsdist_ffi_dnsquestion_t* dq, const char* data, size_t dataLen) __attribute__ ((visibility ("default"))); + +void dnsdist_ffi_dnsquestion_send_trap(dnsdist_ffi_dnsquestion_t* dq, const char* reason, size_t reasonLen) __attribute__ ((visibility ("default"))); + +// the content of values should contain raw DNS record data ('\192\000\002\001' for A, '\034this text has a comma at the end,' for TXT, etc) +void dnsdist_ffi_dnsquestion_spoof_raw(dnsdist_ffi_dnsquestion_t* dq, const dnsdist_ffi_raw_value_t* values, size_t valuesCount) __attribute__ ((visibility ("default"))); +// the content of values should contain raw IPv4 or IPv6 addresses in network byte-order +void dnsdist_ffi_dnsquestion_spoof_addrs(dnsdist_ffi_dnsquestion_t* dq, const dnsdist_ffi_raw_value_t* values, size_t valuesCount) __attribute__ ((visibility ("default"))); + +typedef struct dnsdist_ffi_servers_list_t dnsdist_ffi_servers_list_t; +typedef struct dnsdist_ffi_server_t dnsdist_ffi_server_t; + +size_t dnsdist_ffi_servers_list_get_count(const dnsdist_ffi_servers_list_t* list) __attribute__ ((visibility ("default"))); +void 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"))); +size_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"))); +size_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"))); + +uint64_t dnsdist_ffi_server_get_outstanding(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +bool dnsdist_ffi_server_is_up(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_server_get_name(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +const char* dnsdist_ffi_server_get_name_with_addr(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +int dnsdist_ffi_server_get_weight(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +int dnsdist_ffi_server_get_order(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +double dnsdist_ffi_server_get_latency(const dnsdist_ffi_server_t* server) __attribute__ ((visibility ("default"))); +)FFIContent" -- cgit v1.2.3