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#pragma once
#include "protocol.h"
#include "worker.h"
#include <mbedtls/ctr_drbg.h>
struct prne_resolv_wkr_ctx;
typedef struct prne_resolv_wkr_ctx* prne_resolv_wkr_ctx_t;
struct prne_resolv_prm;
struct prne_resolv_fut;
struct prne_resolv_rr;
typedef struct prne_resolv_prm prne_resolv_prm_t;
typedef struct prne_resolv_fut prne_resolv_fut_t;
typedef struct prne_resolv_rr prne_resolv_rr_t;
typedef uint16_t prne_resolv_rcode_t;
typedef enum {
PRNE_RESOLV_QR_NONE = -1,
PRNE_RESOLV_QR_OK,
PRNE_RESOLV_QR_ERR,
PRNE_RESOLV_QR_PRO_ERR,
PRNE_RESOLV_QR_FIN,
PRNE_RESOLV_QR_IMPL,
PRNE_RESOLV_QR_TIMEOUT,
PRNE_RESOLV_QR_STATUS,
NB_PRNE_RESOLV
} prne_resolv_qr_t;
typedef enum {
PRNE_RESOLV_QT_NONE = -1,
PRNE_RESOLV_QT_A,
PRNE_RESOLV_QT_AAAA,
PRNE_RESOLV_QT_TXT,
NB_PRNE_RESOLV_QT
} prne_resolv_query_type_t;
struct prne_resolv_prm {
void *ctx;
prne_resolv_fut_t *fut;
int evtfd;
};
struct prne_resolv_fut {
size_t rr_cnt;
prne_resolv_rr_t *rr;
int err;
prne_resolv_qr_t qr;
prne_resolv_rcode_t status;
};
struct prne_resolv_rr {
char *name;
uint16_t rr_class, rr_type;
uint32_t rr_ttl;
uint8_t *rd_data;
uint16_t rd_len;
};
// honor bind-utils' choice of words
#define PRNE_RESOLV_RCODE_NOERROR 0
#define PRNE_RESOLV_RCODE_FORMERR 1
#define PRNE_RESOLV_RCODE_SERVFAIL 2
#define PRNE_RESOLV_RCODE_NXDOMAIN 3
#define PRNE_RESOLV_RCODE_NOTIMP 4
#define PRNE_RESOLV_RCODE_REFUSED 5
#define PRNE_RESOLV_RTYPE_A 1
#define PRNE_RESOLV_RTYPE_NS 2
#define PRNE_RESOLV_RTYPE_CNAME 5
#define PRNE_RESOLV_RTYPE_SOA 6
#define PRNE_RESOLV_RTYPE_PTR 12
#define PRNE_RESOLV_RTYPE_MX 15
#define PRNE_RESOLV_RTYPE_TXT 16
#define PRNE_RESOLV_RTYPE_AAAA 28
prne_resolv_wkr_ctx_t prne_alloc_resolv_worker (prne_worker_t *w, prne_wkr_sched_req_t *wsr, mbedtls_ctr_drbg_context *ctr_drbg);
bool prne_resolv_prm_gethostbyname (prne_resolv_wkr_ctx_t wkr, const char *name, const prne_ipv_t ipv, prne_resolv_prm_t *out, const struct timespec *timeout);
bool prne_resolv_prm_gettxtrec (prne_resolv_wkr_ctx_t wkr, const char *name, prne_resolv_prm_t *out, const struct timespec *timeout);
void prne_resolv_init_prm (prne_resolv_prm_t *prm);
void prne_resolv_free_prm (prne_resolv_prm_t *prm);
void prne_init_resolv_fut (prne_resolv_fut_t *fut);
void prne_free_resolv_fut (prne_resolv_fut_t *fut);
void prne_init_resolv_rr (prne_resolv_rr_t *rr);
void prne_free_resolv_rr (prne_resolv_rr_t *rr);
const char *prne_resolv_qr_tostr (const prne_resolv_qr_t qr);
const char *prne_resolv_rcode_tostr (const prne_resolv_rcode_t rc);
const char *prne_resolv_rrtype_tostr (const uint16_t rrt);
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