mirror of https://github.com/getdnsapi/getdns.git
Adding some util modules
This commit is contained in:
Neel Goyal
parent
ed6fa12d01
commit
6c1dc93edf
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@ -3,4 +3,6 @@ AM_CPPFLAGS = -Wall -Werror -g -fPIC -I$(srcdir)/ -I /usr/local/include -std=c99
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lib_LTLIBRARIES = libgetdns.la
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lib_LTLIBRARIES = libgetdns.la
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libgetdns_la_SOURCES = context.c convert.c \
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libgetdns_la_SOURCES = context.c convert.c \
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dict.c general.c hostname.c list.c \
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dict.c general.c hostname.c list.c \
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service.c sync.c validate_dnssec.c
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service.c sync.c validate_dnssec.c \
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request-internal.c nameserver-internal.c \
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util-internal.c
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@ -1,7 +1,32 @@
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/**
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/**
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* TODO: proper header
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*
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* /brief getdns contect management functions
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*
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* This is the meat of the API
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* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/* The MIT License (MIT)
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* Copyright (c) 2013 Verisign, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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*/
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#ifndef _GETDNS_CONTEXT_H_
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#ifndef _GETDNS_CONTEXT_H_
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#define _GETDNS_CONTEXT_H_
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#define _GETDNS_CONTEXT_H_
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211
src/general.c
211
src/general.c
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@ -58,218 +58,12 @@
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* Version: 0.1b
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* Version: 0.1b
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*/
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*/
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#include "context.h"
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#include "types-internal.h"
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#include <ldns/ldns.h>
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#include "util-internal.h"
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/* useful macros */
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#define gd_malloc(sz) context->memory_allocator(sz)
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#define gd_free(ptr) context->memory_deallocator(ptr)
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struct getdns_dns_req;
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typedef struct getdns_nameserver {
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evutil_socket_t socket; /* a connected UDP socket */
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struct sockaddr_storage address;
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ev_socklen_t addrlen;
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int failed_times; /* number of times which we have given this server a chance */
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int timedout; /* number of times in a row a request has timed out */
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struct event event;
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struct event timeout_event; /* used to keep the timeout for */
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/* when we next probe this server. */
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/* Valid if state == 0 */
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/* Outstanding probe request for this nameserver, if any */
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struct getdns_dns_req *probe_request;
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char state; /* zero if we think that this server is down */
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char choked; /* true if we have an EAGAIN from this server's socket */
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char write_waiting; /* true if we are waiting for EV_WRITE events */
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/* getdns context */
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getdns_context_t context;
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/* Number of currently inflight requests: used
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* to track when we should add/del the event. */
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int requests_inflight;
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} getdns_nameserver;
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/* network request - state for a network request and referenced
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* by the the outbound_req
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*/
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typedef struct getdns_network_req {
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ldns_pkt *pkt; /* the dns packet data */
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uint16_t request_type; /* query type */
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int reissue_count;
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int tx_count; /* the number of times that this packet has been sent */
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/* not owned */
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struct nameserver *ns; /* the server which we last sent it (unused) */
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getdns_dict *upstream_server;
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struct event timeout_event;
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getdns_transaction_t trans_id; /* the transaction id */
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unsigned transmit_me :1; /* needs to be transmitted */
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getdns_context_t context;
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struct getdns_dns_req *owner;
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} getdns_network_req;
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/* outbound request - manages recursion and stub reqs */
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typedef struct getdns_dns_req {
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struct getdns_network_req *current_req;
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getdns_context_t context;
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uint16_t resolver_type;
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/* callback data */
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getdns_callback_t user_callback;
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void *user_pointer;
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int pending_cb; /* Waiting for its callback to be invoked; not
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* owned by event base any more. */
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/* search not supported.. yet */
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} getdns_dns_req;
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/* stuff to make it compile pedantically */
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/* stuff to make it compile pedantically */
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#define UNUSED_PARAM(x) ((void)(x))
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#define UNUSED_PARAM(x) ((void)(x))
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/* TODO: flags */
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static ldns_pkt *create_new_pkt(getdns_context_t context,
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const char* name,
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uint16_t request_type,
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struct getdns_dict* extensions) {
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ldns_pkt *pkt = NULL;
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ldns_rr_type type = (ldns_rr_type) request_type;
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ldns_pkt_query_new_frm_str(&pkt, name,
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type,
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LDNS_RR_CLASS_IN, 0);
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if (pkt) {
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/* id */
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ldns_pkt_set_id(pkt, ldns_get_random());
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}
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return pkt;
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}
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static void network_req_free(getdns_context_t context,
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getdns_network_req* net_req) {
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if (!net_req) {
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return;
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}
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if (net_req->pkt) {
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ldns_pkt_free(net_req->pkt);
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}
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gd_free(net_req);
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}
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static getdns_network_req* network_req_new(getdns_context_t context,
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const char* name,
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uint16_t request_type,
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struct getdns_dict* extensions,
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getdns_transaction_t *transaction_id) {
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getdns_network_req *net_req = NULL;
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ldns_pkt *pkt = NULL;
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net_req = gd_malloc(sizeof(getdns_network_req));
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if (!net_req) {
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return NULL;
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}
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net_req->ns = NULL;
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net_req->pkt = NULL;
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net_req->context = context;
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net_req->request_type = request_type;
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/* create ldns packet */
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pkt = create_new_pkt(context, name, request_type, extensions);
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if (!pkt) {
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/* free up the req */
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network_req_free(context, net_req);
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return NULL;
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}
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net_req->pkt = pkt;
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net_req->trans_id = ldns_pkt_id(pkt);
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if (transaction_id) {
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*transaction_id = net_req->trans_id;
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}
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return net_req;
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}
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static void dns_req_free(getdns_context_t context,
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getdns_dns_req* req) {
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if (!req) {
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return;
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}
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network_req_free(context, req->current_req);
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gd_free(req);
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}
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/* create a new dns req to be submitted */
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static getdns_dns_req* dns_req_new(getdns_context_t context,
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const char* name,
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uint16_t request_type,
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struct getdns_dict *extensions,
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getdns_transaction_t *transaction_id) {
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getdns_dns_req *result = NULL;
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getdns_network_req *net_req = NULL;
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result = gd_malloc(sizeof(getdns_dns_req));
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if (result == NULL) {
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return NULL;
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}
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result->context = context;
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result->current_req = NULL;
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result->pending_cb = 0;
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result->resolver_type = context->resolution_type;
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/* create the initial network request */
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net_req = network_req_new(context, name, request_type,
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extensions, transaction_id);
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if (!net_req) {
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dns_req_free(context, result);
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result = NULL;
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}
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result->current_req = net_req;
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net_req->owner = result;
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return result;
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}
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static getdns_return_t dict_to_sockaddr(getdns_dict* ns, struct sockaddr_storage* output) {
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struct getdns_bindata *address_type = NULL;
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struct getdns_bindata *address_data = NULL;
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uint16_t port = htons(53);
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memset(output, 0, sizeof(struct sockaddr_storage));
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output->ss_family = AF_UNSPEC;
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getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_TYPE, &address_type);
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getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_DATA, &address_data);
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if (!address_type || !address_data) {
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return GETDNS_RETURN_GENERIC_ERROR;
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}
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if (strcmp((char*) address_type->data, GETDNS_STR_IPV4)) {
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/* data is an in_addr_t */
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struct sockaddr_in* addr = (struct sockaddr_in*) output;
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addr->sin_family = AF_INET;
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addr->sin_port = port;
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memcpy(&(addr->sin_addr), address_data->data, address_data->size);
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} else {
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/* data is a v6 addr in host order */
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struct sockaddr_in6* addr = (struct sockaddr_in6*) output;
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addr->sin6_family = AF_INET6;
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addr->sin6_port = port;
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memcpy(&(addr->sin6_addr), address_data->data, address_data->size);
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}
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return GETDNS_RETURN_GOOD;
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}
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/* submit a new request to the event loop */
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/* submit a new request to the event loop */
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static getdns_return_t submit_new_dns_req(getdns_dns_req *request) {
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static getdns_return_t submit_new_dns_req(getdns_dns_req *request) {
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getdns_dict *nameserver = NULL;
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getdns_dict *nameserver = NULL;
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@ -337,7 +131,6 @@ getdns_general(
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/* submit it */
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/* submit it */
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submit_new_dns_req(dns_req);
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submit_new_dns_req(dns_req);
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UNUSED_PARAM(userarg);
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return GETDNS_RETURN_GOOD;
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return GETDNS_RETURN_GOOD;
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} /* getdns_general */
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} /* getdns_general */
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@ -0,0 +1,31 @@
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/**
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*
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* /brief getdns contect management functions
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*
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* This is the meat of the API
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* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/* The MIT License (MIT)
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* Copyright (c) 2013 Verisign, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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|
* of this software and associated documentation files (the "Software"), to deal
|
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|
* in the Software without restriction, including without limitation the rights
|
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|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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|
* copies of the Software, and to permit persons to whom the Software is
|
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|
* furnished to do so, subject to the following conditions:
|
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|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
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*/
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@ -0,0 +1,119 @@
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/**
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*
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* /brief getdns contect management functions
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*
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* This is the meat of the API
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|
* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/* The MIT License (MIT)
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* Copyright (c) 2013 Verisign, Inc.
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*
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||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
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*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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||||||
|
* THE SOFTWARE.
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||||||
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*/
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#include "types-internal.h"
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#include "util-internal.h"
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/* useful macros */
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#define gd_malloc(sz) context->memory_allocator(sz)
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#define gd_free(ptr) context->memory_deallocator(ptr)
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void network_req_free(getdns_context_t context,
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getdns_network_req* net_req) {
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if (!net_req) {
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return;
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}
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if (net_req->pkt) {
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ldns_pkt_free(net_req->pkt);
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}
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gd_free(net_req);
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}
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getdns_network_req* network_req_new(getdns_context_t context,
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const char* name,
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uint16_t request_type,
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struct getdns_dict* extensions,
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getdns_transaction_t *transaction_id) {
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getdns_network_req *net_req = NULL;
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ldns_pkt *pkt = NULL;
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net_req = gd_malloc(sizeof(getdns_network_req));
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if (!net_req) {
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return NULL;
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}
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net_req->ns = NULL;
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net_req->pkt = NULL;
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||||||
|
net_req->context = context;
|
||||||
|
net_req->request_type = request_type;
|
||||||
|
|
||||||
|
/* create ldns packet */
|
||||||
|
pkt = create_new_pkt(context, name, request_type, extensions);
|
||||||
|
if (!pkt) {
|
||||||
|
/* free up the req */
|
||||||
|
network_req_free(context, net_req);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
net_req->pkt = pkt;
|
||||||
|
net_req->trans_id = ldns_pkt_id(pkt);
|
||||||
|
if (transaction_id) {
|
||||||
|
*transaction_id = net_req->trans_id;
|
||||||
|
}
|
||||||
|
|
||||||
|
return net_req;
|
||||||
|
}
|
||||||
|
|
||||||
|
void dns_req_free(getdns_context_t context,
|
||||||
|
getdns_dns_req* req) {
|
||||||
|
if (!req) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
network_req_free(context, req->current_req);
|
||||||
|
gd_free(req);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* create a new dns req to be submitted */
|
||||||
|
getdns_dns_req* dns_req_new(getdns_context_t context,
|
||||||
|
const char* name,
|
||||||
|
uint16_t request_type,
|
||||||
|
struct getdns_dict *extensions,
|
||||||
|
getdns_transaction_t *transaction_id) {
|
||||||
|
getdns_dns_req *result = NULL;
|
||||||
|
getdns_network_req *net_req = NULL;
|
||||||
|
result = gd_malloc(sizeof(getdns_dns_req));
|
||||||
|
if (result == NULL) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
result->context = context;
|
||||||
|
result->current_req = NULL;
|
||||||
|
result->pending_cb = 0;
|
||||||
|
result->resolver_type = context->resolution_type;
|
||||||
|
|
||||||
|
/* create the initial network request */
|
||||||
|
net_req = network_req_new(context, name, request_type,
|
||||||
|
extensions, transaction_id);
|
||||||
|
if (!net_req) {
|
||||||
|
dns_req_free(context, result);
|
||||||
|
result = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
result->current_req = net_req;
|
||||||
|
net_req->owner = result;
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,138 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* /brief getdns contect management functions
|
||||||
|
*
|
||||||
|
* This is the meat of the API
|
||||||
|
* Originally taken from the getdns API description pseudo implementation.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
/* The MIT License (MIT)
|
||||||
|
* Copyright (c) 2013 Verisign, Inc.
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef TYPES_INTERNAL_H_
|
||||||
|
#define TYPES_INTERNAL_H_
|
||||||
|
|
||||||
|
#include "context.h"
|
||||||
|
#include <ldns/ldns.h>
|
||||||
|
|
||||||
|
/* declarations */
|
||||||
|
struct getdns_dns_req;
|
||||||
|
struct getdns_nameserver;
|
||||||
|
struct getdns_network_req;
|
||||||
|
|
||||||
|
typedef struct getdns_nameserver {
|
||||||
|
evutil_socket_t socket; /* a connected UDP socket */
|
||||||
|
struct sockaddr_storage address;
|
||||||
|
ev_socklen_t addrlen;
|
||||||
|
|
||||||
|
int failed_times; /* number of times which we have given this server a chance */
|
||||||
|
int timedout; /* number of times in a row a request has timed out */
|
||||||
|
struct event event;
|
||||||
|
|
||||||
|
struct event timeout_event; /* used to keep the timeout for */
|
||||||
|
/* when we next probe this server. */
|
||||||
|
/* Valid if state == 0 */
|
||||||
|
/* Outstanding probe request for this nameserver, if any */
|
||||||
|
struct getdns_dns_req *probe_request;
|
||||||
|
char state; /* zero if we think that this server is down */
|
||||||
|
char choked; /* true if we have an EAGAIN from this server's socket */
|
||||||
|
char write_waiting; /* true if we are waiting for EV_WRITE events */
|
||||||
|
|
||||||
|
/* getdns context */
|
||||||
|
getdns_context_t context;
|
||||||
|
|
||||||
|
/* Number of currently inflight requests: used
|
||||||
|
* to track when we should add/del the event. */
|
||||||
|
int requests_inflight;
|
||||||
|
} getdns_nameserver;
|
||||||
|
|
||||||
|
/* network request - state for a network request and referenced
|
||||||
|
* by the the outbound_req
|
||||||
|
*/
|
||||||
|
typedef struct getdns_network_req {
|
||||||
|
ldns_pkt *pkt; /* the dns packet data */
|
||||||
|
uint16_t request_type; /* query type */
|
||||||
|
|
||||||
|
int reissue_count;
|
||||||
|
int tx_count; /* the number of times that this packet has been sent */
|
||||||
|
|
||||||
|
/* not owned */
|
||||||
|
struct nameserver *ns; /* the server which we last sent it (unused) */
|
||||||
|
getdns_dict *upstream_server;
|
||||||
|
|
||||||
|
struct event timeout_event;
|
||||||
|
|
||||||
|
getdns_transaction_t trans_id; /* the transaction id */
|
||||||
|
|
||||||
|
unsigned transmit_me :1; /* needs to be transmitted */
|
||||||
|
|
||||||
|
getdns_context_t context;
|
||||||
|
|
||||||
|
struct getdns_dns_req *owner;
|
||||||
|
|
||||||
|
} getdns_network_req;
|
||||||
|
|
||||||
|
/* outbound request - manages recursion and stub reqs */
|
||||||
|
typedef struct getdns_dns_req {
|
||||||
|
|
||||||
|
struct getdns_network_req *current_req;
|
||||||
|
getdns_context_t context;
|
||||||
|
|
||||||
|
uint16_t resolver_type;
|
||||||
|
|
||||||
|
/* callback data */
|
||||||
|
getdns_callback_t user_callback;
|
||||||
|
void *user_pointer;
|
||||||
|
|
||||||
|
|
||||||
|
int pending_cb; /* Waiting for its callback to be invoked; not
|
||||||
|
* owned by event base any more. */
|
||||||
|
|
||||||
|
/* search not supported.. yet */
|
||||||
|
|
||||||
|
} getdns_dns_req;
|
||||||
|
|
||||||
|
/* utility methods */
|
||||||
|
|
||||||
|
/* network request utilities */
|
||||||
|
void network_req_free(getdns_context_t context, getdns_network_req* net_req);
|
||||||
|
|
||||||
|
getdns_network_req* network_req_new(getdns_context_t context,
|
||||||
|
const char* name,
|
||||||
|
uint16_t request_type,
|
||||||
|
struct getdns_dict* extensions,
|
||||||
|
getdns_transaction_t *transaction_id);
|
||||||
|
|
||||||
|
|
||||||
|
/* dns request utils */
|
||||||
|
getdns_dns_req* dns_req_new(getdns_context_t context,
|
||||||
|
const char* name,
|
||||||
|
uint16_t request_type,
|
||||||
|
struct getdns_dict *extensions,
|
||||||
|
getdns_transaction_t *transaction_id);
|
||||||
|
|
||||||
|
|
||||||
|
void dns_req_free(getdns_context_t context,
|
||||||
|
getdns_dns_req* req);
|
||||||
|
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,79 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* /brief getdns contect management functions
|
||||||
|
*
|
||||||
|
* This is the meat of the API
|
||||||
|
* Originally taken from the getdns API description pseudo implementation.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
/* The MIT License (MIT)
|
||||||
|
* Copyright (c) 2013 Verisign, Inc.
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "util-internal.h"
|
||||||
|
|
||||||
|
getdns_return_t dict_to_sockaddr(getdns_dict* ns, struct sockaddr_storage* output) {
|
||||||
|
struct getdns_bindata *address_type = NULL;
|
||||||
|
struct getdns_bindata *address_data = NULL;
|
||||||
|
uint16_t port = htons(53);
|
||||||
|
memset(output, 0, sizeof(struct sockaddr_storage));
|
||||||
|
output->ss_family = AF_UNSPEC;
|
||||||
|
|
||||||
|
getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_TYPE, &address_type);
|
||||||
|
getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_DATA, &address_data);
|
||||||
|
if (!address_type || !address_data) {
|
||||||
|
return GETDNS_RETURN_GENERIC_ERROR;
|
||||||
|
}
|
||||||
|
if (strcmp((char*) address_type->data, GETDNS_STR_IPV4)) {
|
||||||
|
/* data is an in_addr_t */
|
||||||
|
struct sockaddr_in* addr = (struct sockaddr_in*) output;
|
||||||
|
addr->sin_family = AF_INET;
|
||||||
|
addr->sin_port = port;
|
||||||
|
memcpy(&(addr->sin_addr), address_data->data, address_data->size);
|
||||||
|
} else {
|
||||||
|
/* data is a v6 addr in host order */
|
||||||
|
struct sockaddr_in6* addr = (struct sockaddr_in6*) output;
|
||||||
|
addr->sin6_family = AF_INET6;
|
||||||
|
addr->sin6_port = port;
|
||||||
|
memcpy(&(addr->sin6_addr), address_data->data, address_data->size);
|
||||||
|
}
|
||||||
|
return GETDNS_RETURN_GOOD;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* TODO: flags */
|
||||||
|
ldns_pkt *create_new_pkt(getdns_context_t context,
|
||||||
|
const char* name,
|
||||||
|
uint16_t request_type,
|
||||||
|
struct getdns_dict* extensions) {
|
||||||
|
ldns_pkt *pkt = NULL;
|
||||||
|
ldns_rr_type type = (ldns_rr_type) request_type;
|
||||||
|
ldns_pkt_query_new_frm_str(&pkt, name,
|
||||||
|
type,
|
||||||
|
LDNS_RR_CLASS_IN, 0);
|
||||||
|
if (pkt) {
|
||||||
|
/* id */
|
||||||
|
ldns_pkt_set_id(pkt, ldns_get_random());
|
||||||
|
}
|
||||||
|
return pkt;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -0,0 +1,40 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* /brief getdns contect management functions
|
||||||
|
*
|
||||||
|
* This is the meat of the API
|
||||||
|
* Originally taken from the getdns API description pseudo implementation.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
/* The MIT License (MIT)
|
||||||
|
* Copyright (c) 2013 Verisign, Inc.
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "types-internal.h"
|
||||||
|
|
||||||
|
/* convert an ip address dict to a sock storage */
|
||||||
|
getdns_return_t dict_to_sockaddr(getdns_dict* ns, struct sockaddr_storage* output);
|
||||||
|
|
||||||
|
/* create a dns packet for the given request type and extensions */
|
||||||
|
ldns_pkt *create_new_pkt(getdns_context_t context,
|
||||||
|
const char* name,
|
||||||
|
uint16_t request_type,
|
||||||
|
struct getdns_dict* extensions);
|
||||||
Loading…
Reference in New Issue