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handlers for APL "n" and "adfpart" rdf's

This commit is contained in:
Willem Toorop 2015-02-18 15:44:09 +01:00
parent f78fdd0594
commit bea4b50422
2 changed files with 82 additions and 5 deletions
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67
src/rr-dict.c
View File

@ -35,6 +35,7 @@
*/
#include "rr-dict.h"
#include "util-internal.h"
#include "types-internal.h"
#include "context.h"
#include "dict.h"
@ -42,6 +43,68 @@
#define ALEN(a) (sizeof(a)/sizeof(a[0]))
#define UNKNOWN_RDATA NULL
/*
static uint8_t *
template_rdf_end(uint8_t *pkt, uint8_t *pkt_end, uint8_t *rdf)
{
return NULL;
}
static getdns_return_t
template_dict_set_value(getdns_dict *dict, uint8_t *rdf)
{
return GETDNS_RETURN_GENERIC_ERROR;
}
static getdns_return_t
template_list_set_value(getdns_list *list, uint8_t *rdf)
{
return GETDNS_RETURN_GENERIC_ERROR;
}
static priv_getdns_rdf_special template = {
template_rdf_end, template_dict_set_value, template_list_set_value
};
*/
static uint8_t *
apl_n_rdf_end(uint8_t *pkt, uint8_t *pkt_end, uint8_t *rdf)
{
return rdf < pkt_end ? rdf + 1 : NULL;
}
static getdns_return_t
apl_n_dict_set_value(getdns_dict *dict, uint8_t *rdf)
{
return getdns_dict_set_int(dict, "n", (*rdf >> 7));
}
static getdns_return_t
apl_n_list_set_value(getdns_list *list, uint8_t *rdf)
{
return getdns_list_append_int(list, (*rdf >> 7));
}
static priv_getdns_rdf_special apl_n = {
apl_n_rdf_end, apl_n_dict_set_value, apl_n_list_set_value
};
static uint8_t *
apl_afdpart_rdf_end(uint8_t *pkt, uint8_t *pkt_end, uint8_t *rdf)
{
uint8_t *end = rdf + (rdf[-1] & 0x7F);
return end <= pkt_end ? end : NULL;
}
static getdns_return_t
apl_afdpart_dict_set_value(getdns_dict *dict, uint8_t *rdf)
{
getdns_bindata bindata = { (rdf[-1] & 0x7F), rdf };
return getdns_dict_set_bindata(dict, "afdpart", &bindata);
}
static getdns_return_t
apl_afdpart_list_set_value(getdns_list *list, uint8_t *rdf)
{
getdns_bindata bindata = { (rdf[-1] & 0x7F), rdf };
return getdns_list_append_bindata(list, &bindata);
}
static priv_getdns_rdf_special apl_afdpart = {
apl_afdpart_rdf_end, apl_afdpart_dict_set_value, apl_afdpart_list_set_value
};
static priv_getdns_rdata_def a_rdata[] = {
{ "ipv4_address" , GETDNS_RDF_A }};
static priv_getdns_rdata_def ns_rdata[] = {
@ -149,8 +212,8 @@ static priv_getdns_rdata_def apl_rdata[] = {
{ "apitems" , GETDNS_RDF_R },
{ "address_family" , GETDNS_RDF_I2 },
{ "prefix" , GETDNS_RDF_I1 },
{ "n" , GETDNS_RDF_SPECIAL, NULL },
{ "afdpart" , GETDNS_RDF_SPECIAL, NULL }};
{ "n" , GETDNS_RDF_SPECIAL, &apl_n },
{ "afdpart" , GETDNS_RDF_SPECIAL, &apl_afdpart }};
static priv_getdns_rdata_def ds_rdata[] = {
{ "key_tag" , GETDNS_RDF_I2 },
{ "algorithm" , GETDNS_RDF_I1 },

20
src/rr-dict.h
View File

@ -35,6 +35,20 @@
#include <ldns/ldns.h>
#include "getdns/getdns.h"
typedef uint8_t *(*priv_getdns_rdf_end_t)(
uint8_t *pkt, uint8_t *pkt_end, uint8_t *rdf);
/* Limit checks are already done with priv_getdns_rdf_end_t */
typedef getdns_return_t (*priv_getdns_rdf_dict_set_value_t)(
getdns_dict *dict, uint8_t *rdf);
typedef getdns_return_t (*priv_getdns_rdf_list_set_value_t)(
getdns_list *list, uint8_t *rdf);
typedef struct priv_getdns_rdf_special {
priv_getdns_rdf_end_t rdf_end;
priv_getdns_rdf_dict_set_value_t dict_set_value;
priv_getdns_rdf_list_set_value_t list_set_value;
} priv_getdns_rdf_special;
/* draft-levine-dnsextlang'ish type rr and rdata definitions */
#define GETDNS_RDF_INTEGER 0x010000
@ -77,9 +91,9 @@ typedef enum priv_getdns_rdf_wf_type {
} priv_getdns_rdf_type;
typedef struct priv_getdns_rdata_def {
const char *name;
priv_getdns_rdf_type type;
void *special;
const char *name;
priv_getdns_rdf_type type;
priv_getdns_rdf_special *special;
} priv_getdns_rdata_def;
typedef struct priv_getdns_rr_def {