mirror of https://github.com/getdnsapi/getdns.git
Add TXT record support
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ce74abc25a
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068092e276
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@ -10,7 +10,7 @@
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/*
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* Copyright (c) 2013, Versign, Inc.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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@ -45,7 +45,7 @@ struct rdata_def {
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int type;
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};
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struct rr_def {
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struct rr_def {
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const char *name;
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const struct rdata_def *rdata;
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int n_rdata_fields;
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@ -569,8 +569,50 @@ priv_getdns_rr_type_name(int rr_type)
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return rr_def_lookup(rr_type)->name;
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}
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/* list of txt records */
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static getdns_return_t
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priv_getdns_equip_dict_with_rdfs(struct getdns_dict *rdata, ldns_rr *rr)
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priv_getdns_equip_dict_with_txt_rdfs(struct getdns_dict* rdata, ldns_rr* rr,
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const struct rr_def* def,
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struct getdns_context* context) {
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size_t i;
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struct getdns_bindata bindata;
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getdns_return_t r = GETDNS_RETURN_GOOD;
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struct getdns_list* records = getdns_list_create_with_context(context);
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if (!records) {
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return GETDNS_RETURN_MEMORY_ERROR;
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}
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for (i = 0; i < ldns_rr_rd_count(rr) && r == GETDNS_RETURN_GOOD; ++i) {
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ldns_rdf* rdf = ldns_rr_rdf(rr, i);
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int rdf_size = (int) ldns_rdf_size(rdf);
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uint8_t* rdf_data = ldns_rdf_data(rdf);
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if (rdf_size < 1) {
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r = GETDNS_RETURN_GENERIC_ERROR;
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continue;
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}
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int txt_size = (int) rdf_data[0] + 1;
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if (rdf_size < txt_size) {
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r = GETDNS_RETURN_GENERIC_ERROR;
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continue;
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}
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bindata.size = txt_size;
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bindata.data = rdf_data + 1;
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r = getdns_list_set_bindata(records, i, &bindata);
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}
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if (r != GETDNS_RETURN_GOOD) {
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getdns_list_destroy(records);
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} else {
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r = getdns_dict_set_list(rdata, def->rdata[0].name, records);
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if (r != GETDNS_RETURN_GOOD) {
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getdns_list_destroy(records);
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}
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}
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return r;
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}
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static getdns_return_t
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priv_getdns_equip_dict_with_rdfs(struct getdns_dict *rdata, ldns_rr *rr,
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struct getdns_context* context)
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{
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getdns_return_t r = GETDNS_RETURN_GOOD;
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const struct rr_def *def;
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@ -582,6 +624,11 @@ priv_getdns_equip_dict_with_rdfs(struct getdns_dict *rdata, ldns_rr *rr)
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assert(rr);
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def = rr_def_lookup(ldns_rr_get_type(rr));
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/* specialty handlers */
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if (def->rdata == txt_rdata) {
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return priv_getdns_equip_dict_with_txt_rdfs(rdata, rr, def, context);
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}
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/* generic */
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for (i = 0; i < ldns_rr_rd_count(rr) && r == GETDNS_RETURN_GOOD; i++) {
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if (i >= def->n_rdata_fields)
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break;
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@ -659,7 +706,7 @@ priv_getdns_create_dict_from_rdfs(
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break;
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/* Now set the RR type specific attributes */
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r = priv_getdns_equip_dict_with_rdfs(*rdata, rr);
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r = priv_getdns_equip_dict_with_rdfs(*rdata, rr, context);
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if (r == GETDNS_RETURN_GOOD)
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return r;
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} while(0);
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@ -799,7 +846,7 @@ priv_getdns_create_rr_from_dict(struct getdns_dict *rr_dict, ldns_rr **rr)
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r = getdns_dict_get_bindata(rdata, "rdata_raw", &rdata_raw);
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if (r != GETDNS_RETURN_GOOD)
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break;
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s = ldns_wire2rdf(*rr, rdata_raw->data, rdata_raw->size, 0);
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if (s == LDNS_STATUS_OK)
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return r;
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