-- SPDX-License-Identifier: GPL-3.0-or-later local ffi = require('ffi') --[[ This file is generated by ./kres-gen.sh ]] ffi.cdef[[ typedef long time_t; typedef long __time_t; typedef long __suseconds_t; struct timeval { __time_t tv_sec; __suseconds_t tv_usec; }; typedef struct knot_dump_style knot_dump_style_t; extern const knot_dump_style_t KR_DUMP_STYLE_DEFAULT; struct kr_cdb_api {}; struct lru {}; typedef enum {KNOT_ANSWER, KNOT_AUTHORITY, KNOT_ADDITIONAL} knot_section_t; typedef struct { uint16_t pos; uint16_t flags; uint16_t compress_ptr[16]; } knot_rrinfo_t; typedef unsigned char knot_dname_t; typedef struct { uint16_t len; uint8_t data[]; } knot_rdata_t; typedef struct { uint16_t count; uint32_t size; knot_rdata_t *rdata; } knot_rdataset_t; typedef struct knot_mm { void *ctx, *alloc, *free; } knot_mm_t; typedef void *(*map_alloc_f)(void *, size_t); typedef void (*map_free_f)(void *baton, void *ptr); typedef void (*trace_log_f) (const struct kr_request *, const char *); typedef void (*trace_callback_f)(struct kr_request *); typedef uint8_t * (*alloc_wire_f)(struct kr_request *req, uint16_t *maxlen); typedef bool (*addr_info_f)(struct sockaddr*); typedef void (*zi_callback)(int state, void *param); typedef struct { knot_dname_t *_owner; uint32_t _ttl; uint16_t type; uint16_t rclass; knot_rdataset_t rrs; void *additional; } knot_rrset_t; struct kr_module; typedef char *(kr_prop_cb)(void *, struct kr_module *, const char *); typedef unsigned char knot_dname_storage_t[255]; typedef struct knot_pkt knot_pkt_t; typedef struct { uint8_t *ptr[15]; } knot_edns_options_t; typedef struct { knot_pkt_t *pkt; uint16_t pos; uint16_t count; } knot_pktsection_t; typedef struct knot_compr { uint8_t *wire; knot_rrinfo_t *rrinfo; struct { uint16_t pos; uint8_t labels; } suffix; } knot_compr_t; struct knot_pkt { uint8_t *wire; size_t size; size_t max_size; size_t parsed; uint16_t reserved; uint16_t qname_size; uint16_t rrset_count; uint16_t flags; knot_rrset_t *opt_rr; knot_rrset_t *tsig_rr; knot_edns_options_t *edns_opts; struct { uint8_t *pos; size_t len; } tsig_wire; knot_section_t current; knot_pktsection_t sections[3]; size_t rrset_allocd; knot_rrinfo_t *rr_info; knot_rrset_t *rr; knot_mm_t mm; knot_compr_t compr; }; typedef struct trie trie_t; struct kr_qflags { _Bool NO_MINIMIZE : 1; _Bool NO_IPV6 : 1; _Bool NO_IPV4 : 1; _Bool TCP : 1; _Bool NO_ANSWER : 1; _Bool RESOLVED : 1; _Bool AWAIT_IPV4 : 1; _Bool AWAIT_IPV6 : 1; _Bool AWAIT_CUT : 1; _Bool NO_EDNS : 1; _Bool CACHED : 1; _Bool NO_CACHE : 1; _Bool EXPIRING : 1; _Bool ALLOW_LOCAL : 1; _Bool DNSSEC_WANT : 1; _Bool DNSSEC_BOGUS : 1; _Bool DNSSEC_INSECURE : 1; _Bool DNSSEC_CD : 1; _Bool STUB : 1; _Bool ALWAYS_CUT : 1; _Bool DNSSEC_WEXPAND : 1; _Bool PERMISSIVE : 1; _Bool STRICT : 1; _Bool BADCOOKIE_AGAIN : 1; _Bool CNAME : 1; _Bool REORDER_RR : 1; _Bool TRACE : 1; _Bool NO_0X20 : 1; _Bool DNSSEC_NODS : 1; _Bool DNSSEC_OPTOUT : 1; _Bool NONAUTH : 1; _Bool FORWARD : 1; _Bool DNS64_MARK : 1; _Bool CACHE_TRIED : 1; _Bool NO_NS_FOUND : 1; _Bool PKT_IS_SANE : 1; _Bool DNS64_DISABLE : 1; }; typedef struct ranked_rr_array_entry { uint32_t qry_uid; uint8_t rank; uint8_t revalidation_cnt; _Bool cached : 1; _Bool yielded : 1; _Bool to_wire : 1; _Bool expiring : 1; _Bool in_progress : 1; _Bool dont_cache : 1; knot_rrset_t *rr; } ranked_rr_array_entry_t; typedef struct { ranked_rr_array_entry_t **at; size_t len; size_t cap; } ranked_rr_array_t; typedef struct kr_http_header_array_entry { char *name; char *value; } kr_http_header_array_entry_t; typedef struct { kr_http_header_array_entry_t *at; size_t len; size_t cap; } kr_http_header_array_t; typedef struct { union kr_sockaddr *at; size_t len; size_t cap; } kr_sockaddr_array_t; struct kr_zonecut { knot_dname_t *name; knot_rrset_t *key; knot_rrset_t *trust_anchor; struct kr_zonecut *parent; trie_t *nsset; knot_mm_t *pool; }; typedef struct { struct kr_query **at; size_t len; size_t cap; } kr_qarray_t; struct kr_rplan { kr_qarray_t pending; kr_qarray_t resolved; struct kr_query *initial; struct kr_request *request; knot_mm_t *pool; uint32_t next_uid; }; struct kr_request_qsource_flags { _Bool tcp : 1; _Bool tls : 1; _Bool http : 1; _Bool xdp : 1; }; struct kr_extended_error { int32_t info_code; const char *extra_text; }; struct kr_request { struct kr_context *ctx; knot_pkt_t *answer; struct kr_query *current_query; struct { const struct sockaddr *addr; const struct sockaddr *comm_addr; const struct sockaddr *dst_addr; const knot_pkt_t *packet; struct kr_request_qsource_flags flags; struct kr_request_qsource_flags comm_flags; size_t size; int32_t stream_id; kr_http_header_array_t headers; } qsource; struct { unsigned int rtt; const struct kr_transport *transport; } upstream; struct kr_qflags options; int state; ranked_rr_array_t answ_selected; ranked_rr_array_t auth_selected; ranked_rr_array_t add_selected; _Bool answ_validated; _Bool auth_validated; uint8_t rank; struct kr_rplan rplan; trace_log_f trace_log; trace_callback_f trace_finish; int vars_ref; knot_mm_t pool; unsigned int uid; struct { addr_info_f is_tls_capable; addr_info_f is_tcp_connected; addr_info_f is_tcp_waiting; kr_sockaddr_array_t forwarding_targets; } selection_context; unsigned int count_no_nsaddr; unsigned int count_fail_row; alloc_wire_f alloc_wire_cb; struct kr_extended_error extended_error; }; enum kr_rank {KR_RANK_INITIAL, KR_RANK_OMIT, KR_RANK_TRY, KR_RANK_INDET = 4, KR_RANK_BOGUS, KR_RANK_MISMATCH, KR_RANK_MISSING, KR_RANK_INSECURE, KR_RANK_AUTH = 16, KR_RANK_SECURE = 32}; typedef struct kr_cdb * kr_cdb_pt; struct kr_cdb_stats { uint64_t open; uint64_t close; uint64_t count; uint64_t count_entries; uint64_t clear; uint64_t commit; uint64_t read; uint64_t read_miss; uint64_t write; uint64_t remove; uint64_t remove_miss; uint64_t match; uint64_t match_miss; uint64_t read_leq; uint64_t read_leq_miss; double usage_percent; }; typedef struct uv_timer_s uv_timer_t; struct kr_cache { kr_cdb_pt db; const struct kr_cdb_api *api; struct kr_cdb_stats stats; uint32_t ttl_min; uint32_t ttl_max; struct timeval checkpoint_walltime; uint64_t checkpoint_monotime; uv_timer_t *health_timer; }; typedef struct kr_layer { int state; struct kr_request *req; const struct kr_layer_api *api; knot_pkt_t *pkt; struct sockaddr *dst; _Bool is_stream; } kr_layer_t; typedef struct kr_layer_api { int (*begin)(kr_layer_t *); int (*reset)(kr_layer_t *); int (*finish)(kr_layer_t *); int (*consume)(kr_layer_t *, knot_pkt_t *); int (*produce)(kr_layer_t *, knot_pkt_t *); int (*checkout)(kr_layer_t *, knot_pkt_t *, struct sockaddr *, int); int (*answer_finalize)(kr_layer_t *); void *data; int cb_slots[]; } kr_layer_api_t; struct kr_prop { kr_prop_cb *cb; const char *name; const char *info; }; struct kr_module { char *name; int (*init)(struct kr_module *); int (*deinit)(struct kr_module *); int (*config)(struct kr_module *, const char *); const kr_layer_api_t *layer; const struct kr_prop *props; void *lib; void *data; }; struct kr_server_selection { _Bool initialized; void (*choose_transport)(struct kr_query *, struct kr_transport **); void (*update_rtt)(struct kr_query *, const struct kr_transport *, unsigned int); void (*error)(struct kr_query *, const struct kr_transport *, enum kr_selection_error); struct local_state *local_state; }; typedef int kr_log_level_t; enum kr_log_group {LOG_GRP_UNKNOWN = -1, LOG_GRP_SYSTEM = 1, LOG_GRP_CACHE, LOG_GRP_IO, LOG_GRP_NETWORK, LOG_GRP_TA, LOG_GRP_TLS, LOG_GRP_GNUTLS, LOG_GRP_TLSCLIENT, LOG_GRP_XDP, LOG_GRP_DOH, LOG_GRP_DNSSEC, LOG_GRP_HINT, LOG_GRP_PLAN, LOG_GRP_ITERATOR, LOG_GRP_VALIDATOR, LOG_GRP_RESOLVER, LOG_GRP_SELECTION, LOG_GRP_ZCUT, LOG_GRP_COOKIES, LOG_GRP_STATISTICS, LOG_GRP_REBIND, LOG_GRP_WORKER, LOG_GRP_POLICY, LOG_GRP_TASENTINEL, LOG_GRP_TASIGNALING, LOG_GRP_TAUPDATE, LOG_GRP_DAF, LOG_GRP_DETECTTIMEJUMP, LOG_GRP_DETECTTIMESKEW, LOG_GRP_GRAPHITE, LOG_GRP_PREFILL, LOG_GRP_PRIMING, LOG_GRP_SRVSTALE, LOG_GRP_WATCHDOG, LOG_GRP_NSID, LOG_GRP_DNSTAP, LOG_GRP_TESTS, LOG_GRP_DOTAUTH, LOG_GRP_HTTP, LOG_GRP_CONTROL, LOG_GRP_MODULE, LOG_GRP_DEVEL, LOG_GRP_RENUMBER, LOG_GRP_EDE, LOG_GRP_REQDBG}; kr_layer_t kr_layer_t_static; _Bool kr_dbg_assertion_abort; int kr_dbg_assertion_fork; typedef int32_t (*kr_stale_cb)(int32_t ttl, const knot_dname_t *owner, uint16_t type, const struct kr_query *qry); void kr_rrset_init(knot_rrset_t *rrset, knot_dname_t *owner, uint16_t type, uint16_t rclass, uint32_t ttl); struct kr_query { struct kr_query *parent; knot_dname_t *sname; uint16_t stype; uint16_t sclass; uint16_t id; uint16_t reorder; struct kr_qflags flags; struct kr_qflags forward_flags; uint32_t secret; uint32_t uid; int32_t vld_limit_crypto_remains; uint32_t vld_limit_uid; uint64_t creation_time_mono; uint64_t timestamp_mono; struct timeval timestamp; struct kr_zonecut zone_cut; struct kr_layer_pickle *deferred; int8_t cname_depth; struct kr_query *cname_parent; struct kr_request *request; kr_stale_cb stale_cb; struct kr_server_selection server_selection; }; struct kr_context { struct kr_qflags options; knot_rrset_t *downstream_opt_rr; knot_rrset_t *upstream_opt_rr; trie_t *trust_anchors; trie_t *negative_anchors; int32_t vld_limit_crypto; struct kr_zonecut root_hints; struct kr_cache cache; unsigned int cache_rtt_tout_retry_interval; char _stub[]; }; struct kr_transport { knot_dname_t *ns_name; /* beware: hidden stub, to avoid hardcoding sockaddr lengths */ }; const char *knot_strerror(int); knot_dname_t *knot_dname_copy(const knot_dname_t *, knot_mm_t *); knot_dname_t *knot_dname_from_str(uint8_t *, const char *, size_t); int knot_dname_in_bailiwick(const knot_dname_t *, const knot_dname_t *); _Bool knot_dname_is_equal(const knot_dname_t *, const knot_dname_t *); size_t knot_dname_labels(const uint8_t *, const uint8_t *); size_t knot_dname_size(const knot_dname_t *); void knot_dname_to_lower(knot_dname_t *); char *knot_dname_to_str(char *, const knot_dname_t *, size_t); knot_rdata_t *knot_rdataset_at(const knot_rdataset_t *, uint16_t); int knot_rdataset_merge(knot_rdataset_t *, const knot_rdataset_t *, knot_mm_t *); int knot_rrset_add_rdata(knot_rrset_t *, const uint8_t *, uint16_t, knot_mm_t *); void knot_rrset_free(knot_rrset_t *, knot_mm_t *); int knot_rrset_txt_dump(const knot_rrset_t *, char **, size_t *, const knot_dump_style_t *); int knot_rrset_txt_dump_data(const knot_rrset_t *, const size_t, char *, const size_t, const knot_dump_style_t *); size_t knot_rrset_size(const knot_rrset_t *); int knot_pkt_begin(knot_pkt_t *, knot_section_t); int knot_pkt_put_question(knot_pkt_t *, const knot_dname_t *, uint16_t, uint16_t); int knot_pkt_put_rotate(knot_pkt_t *, uint16_t, const knot_rrset_t *, uint16_t, uint16_t); knot_pkt_t *knot_pkt_new(void *, uint16_t, knot_mm_t *); void knot_pkt_free(knot_pkt_t *); int knot_pkt_parse(knot_pkt_t *, unsigned int); knot_rrset_t *kr_request_ensure_edns(struct kr_request *); knot_pkt_t *kr_request_ensure_answer(struct kr_request *); int kr_request_set_extended_error(struct kr_request *, int, const char *); struct kr_rplan *kr_resolve_plan(struct kr_request *); knot_mm_t *kr_resolve_pool(struct kr_request *); struct kr_query *kr_rplan_push(struct kr_rplan *, struct kr_query *, const knot_dname_t *, uint16_t, uint16_t); int kr_rplan_pop(struct kr_rplan *, struct kr_query *); struct kr_query *kr_rplan_resolved(struct kr_rplan *); struct kr_query *kr_rplan_last(struct kr_rplan *); int kr_forward_add_target(struct kr_request *, const struct sockaddr *); _Bool kr_log_is_debug_fun(enum kr_log_group, const struct kr_request *); void kr_log_req1(const struct kr_request * const, uint32_t, const unsigned int, enum kr_log_group, const char *, const char *, ...); void kr_log_q1(const struct kr_query * const, enum kr_log_group, const char *, const char *, ...); const char *kr_log_grp2name(enum kr_log_group); void kr_log_fmt(enum kr_log_group, kr_log_level_t, const char *, const char *, const char *, const char *, ...); int kr_make_query(struct kr_query *, knot_pkt_t *); void kr_pkt_make_auth_header(knot_pkt_t *); int kr_pkt_put(knot_pkt_t *, const knot_dname_t *, uint32_t, uint16_t, uint16_t, const uint8_t *, uint16_t); int kr_pkt_recycle(knot_pkt_t *); int kr_pkt_clear_payload(knot_pkt_t *); _Bool kr_pkt_has_wire(const knot_pkt_t *); _Bool kr_pkt_has_dnssec(const knot_pkt_t *); uint16_t kr_pkt_qclass(const knot_pkt_t *); uint16_t kr_pkt_qtype(const knot_pkt_t *); char *kr_pkt_text(const knot_pkt_t *); void kr_rnd_buffered(void *, unsigned int); uint32_t kr_rrsig_sig_inception(const knot_rdata_t *); uint32_t kr_rrsig_sig_expiration(const knot_rdata_t *); uint16_t kr_rrsig_type_covered(const knot_rdata_t *); const char *kr_inaddr(const struct sockaddr *); int kr_inaddr_family(const struct sockaddr *); int kr_inaddr_len(const struct sockaddr *); int kr_inaddr_str(const struct sockaddr *, char *, size_t *); int kr_sockaddr_cmp(const struct sockaddr *, const struct sockaddr *); int kr_sockaddr_len(const struct sockaddr *); uint16_t kr_inaddr_port(const struct sockaddr *); int kr_straddr_family(const char *); int kr_straddr_subnet(void *, const char *); int kr_bitcmp(const char *, const char *, int); int kr_family_len(int); struct sockaddr *kr_straddr_socket(const char *, int, knot_mm_t *); int kr_straddr_split(const char *, char * restrict, uint16_t *); _Bool kr_rank_test(uint8_t, uint8_t); int kr_ranked_rrarray_add(ranked_rr_array_t *, const knot_rrset_t *, uint8_t, _Bool, uint32_t, knot_mm_t *); int kr_ranked_rrarray_finalize(ranked_rr_array_t *, uint32_t, knot_mm_t *); void kr_qflags_set(struct kr_qflags *, struct kr_qflags); void kr_qflags_clear(struct kr_qflags *, struct kr_qflags); int kr_zonecut_add(struct kr_zonecut *, const knot_dname_t *, const void *, int); _Bool kr_zonecut_is_empty(struct kr_zonecut *); void kr_zonecut_set(struct kr_zonecut *, const knot_dname_t *); uint64_t kr_now(void); const char *kr_strptime_diff(const char *, const char *, const char *, double *); time_t kr_file_mtime(const char *); long long kr_fssize(const char *); const char *kr_dirent_name(const struct dirent *); void lru_free_items_impl(struct lru *); struct lru *lru_create_impl(unsigned int, unsigned int, knot_mm_t *, knot_mm_t *); void *lru_get_impl(struct lru *, const char *, unsigned int, unsigned int, _Bool, _Bool *); void *mm_realloc(knot_mm_t *, void *, size_t, size_t); knot_rrset_t *kr_ta_get(trie_t *, const knot_dname_t *); int kr_ta_add(trie_t *, const knot_dname_t *, uint16_t, uint32_t, const uint8_t *, uint16_t); int kr_ta_del(trie_t *, const knot_dname_t *); void kr_ta_clear(trie_t *); _Bool kr_dnssec_key_ksk(const uint8_t *); _Bool kr_dnssec_key_revoked(const uint8_t *); int kr_dnssec_key_tag(uint16_t, const uint8_t *, size_t); int kr_dnssec_key_match(const uint8_t *, size_t, const uint8_t *, size_t); int kr_cache_closest_apex(struct kr_cache *, const knot_dname_t *, _Bool, knot_dname_t **); int kr_cache_insert_rr(struct kr_cache *, const knot_rrset_t *, const knot_rrset_t *, uint8_t, uint32_t, _Bool); int kr_cache_remove(struct kr_cache *, const knot_dname_t *, uint16_t); int kr_cache_remove_subtree(struct kr_cache *, const knot_dname_t *, _Bool, int); int kr_cache_commit(struct kr_cache *); uint32_t packet_ttl(const knot_pkt_t *); typedef struct { int sock_type; _Bool tls; _Bool http; _Bool xdp; _Bool freebind; const char *kind; } endpoint_flags_t; typedef struct { char **at; size_t len; size_t cap; } addr_array_t; typedef struct { int fd; endpoint_flags_t flags; } flagged_fd_t; typedef struct { flagged_fd_t *at; size_t len; size_t cap; } flagged_fd_array_t; typedef struct { const char **at; size_t len; size_t cap; } config_array_t; struct args { addr_array_t addrs; addr_array_t addrs_tls; flagged_fd_array_t fds; int control_fd; int forks; config_array_t config; const char *rundir; _Bool interactive; _Bool quiet; _Bool tty_binary_output; }; typedef struct { const char *zone_file; const char *origin; uint32_t ttl; enum {ZI_STAMP_NOW, ZI_STAMP_MTIM} time_src; _Bool downgrade; _Bool zonemd; const knot_rrset_t *ds; zi_callback cb; void *cb_param; } zi_config_t; struct args *the_args; struct endpoint { void *handle; int fd; int family; uint16_t port; int16_t nic_queue; _Bool engaged; endpoint_flags_t flags; }; struct request_ctx { struct kr_request req; struct worker_ctx *worker; struct qr_task *task; /* beware: hidden stub, to avoid hardcoding sockaddr lengths */ }; struct qr_task { struct request_ctx *ctx; /* beware: hidden stub, to avoid qr_tasklist_t */ }; int worker_resolve_exec(struct qr_task *, knot_pkt_t *); knot_pkt_t *worker_resolve_mk_pkt(const char *, uint16_t, uint16_t, const struct kr_qflags *); struct qr_task *worker_resolve_start(knot_pkt_t *, struct kr_qflags); int zi_zone_import(const zi_config_t); struct engine { struct kr_context resolver; char _stub[]; }; struct worker_ctx { struct engine *engine; char _stub[]; }; struct worker_ctx *the_worker; typedef struct { uint8_t bitmap[32]; uint8_t length; } zs_win_t; typedef struct { uint8_t excl_flag; uint16_t addr_family; uint8_t prefix_length; } zs_apl_t; typedef struct { uint32_t d1; uint32_t d2; uint32_t m1; uint32_t m2; uint32_t s1; uint32_t s2; uint32_t alt; uint64_t siz; uint64_t hp; uint64_t vp; int8_t lat_sign; int8_t long_sign; int8_t alt_sign; } zs_loc_t; typedef enum {ZS_STATE_NONE, ZS_STATE_DATA, ZS_STATE_ERROR, ZS_STATE_INCLUDE, ZS_STATE_EOF, ZS_STATE_STOP} zs_state_t; typedef struct zs_scanner zs_scanner_t; typedef struct zs_scanner { int cs; int top; int stack[16]; _Bool multiline; uint64_t number64; uint64_t number64_tmp; uint32_t decimals; uint32_t decimal_counter; uint32_t item_length; uint32_t item_length_position; uint8_t *item_length_location; uint32_t buffer_length; uint8_t buffer[65535]; char include_filename[65535]; char *path; zs_win_t windows[256]; int16_t last_window; zs_apl_t apl; zs_loc_t loc; uint8_t addr[16]; _Bool long_string; uint8_t *dname; uint32_t *dname_length; uint32_t dname_tmp_length; uint32_t r_data_tail; uint32_t zone_origin_length; uint8_t zone_origin[318]; uint16_t default_class; uint32_t default_ttl; zs_state_t state; struct { _Bool automatic; void (*record)(zs_scanner_t *); void (*error)(zs_scanner_t *); void (*comment)(zs_scanner_t *); void *data; } process; struct { const char *start; const char *current; const char *end; _Bool eof; _Bool mmaped; } input; struct { char *name; int descriptor; } file; struct { int code; uint64_t counter; _Bool fatal; } error; uint64_t line_counter; uint32_t r_owner_length; uint8_t r_owner[318]; uint16_t r_class; uint32_t r_ttl; uint16_t r_type; uint32_t r_data_length; uint8_t r_data[65535]; } zs_scanner_t; void zs_deinit(zs_scanner_t *); int zs_init(zs_scanner_t *, const char *, const uint16_t, const uint32_t); int zs_parse_record(zs_scanner_t *); int zs_set_input_file(zs_scanner_t *, const char *); int zs_set_input_string(zs_scanner_t *, const char *, size_t); const char *zs_strerror(const int); ]]