From b191c221b1b464d73d35026e5ff38a33cb08829b Mon Sep 17 00:00:00 2001
From: Daniel Salzman <daniel.salzman@nic.cz>
Date: Mon, 18 Feb 2013 16:28:46 +0100
Subject: [PATCH] Improve RR descriptors
- Add missing descriptors.
- Extend descriptor structure with type name.
- Add conversion functions num<->str for types and classes.
refs @2138
---
Knot.files | 2 +
src/Makefile.am | 6 +-
src/common/descriptor_new.c | 243 +++++++++++++++++++++-------
src/common/descriptor_new.h | 125 ++++++++++++--
src/tests/common/descriptor_tests.c | 234 +++++++++++++++++++++++++++
src/tests/common/descriptor_tests.h | 25 +++
src/tests/unittests_main.c | 2 +
7 files changed, 566 insertions(+), 71 deletions(-)
create mode 100644 src/tests/common/descriptor_tests.c
create mode 100644 src/tests/common/descriptor_tests.h
diff --git a/Knot.files b/Knot.files
index 20726fc0f..745e81781 100644
--- a/Knot.files
+++ b/Knot.files
@@ -177,6 +177,8 @@ src/tests/common/base64_tests.c
src/tests/common/base64_tests.h
src/tests/common/base32hex_tests.c
src/tests/common/base32hex_tests.h
+src/tests/common/descriptor_tests.c
+src/tests/common/descriptor_tests.h
src/tests/knot/dthreads_tests.c
src/tests/knot/dthreads_tests.h
src/tests/knot/conf_tests.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 6782eafe1..0dca9fb42 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -31,14 +31,16 @@ unittests_SOURCES = \
tests/common/base32hex_tests.h \
tests/common/base64_tests.c \
tests/common/base64_tests.h \
+ tests/common/descriptor_tests.h \
+ tests/common/descriptor_tests.c \
tests/common/events_tests.c \
tests/common/events_tests.h \
+ tests/common/fdset_tests.c \
+ tests/common/fdset_tests.h \
tests/common/skiplist_tests.c \
tests/common/skiplist_tests.h \
tests/common/slab_tests.c \
tests/common/slab_tests.h \
- tests/common/fdset_tests.c \
- tests/common/fdset_tests.h \
tests/knot/conf_tests.c \
tests/knot/conf_tests.h \
tests/knot/dthreads_tests.c \
diff --git a/src/common/descriptor_new.c b/src/common/descriptor_new.c
index f3b1dd5ec..07b3779df 100644
--- a/src/common/descriptor_new.c
+++ b/src/common/descriptor_new.c
@@ -15,109 +15,240 @@
*/
#include "common/descriptor_new.h"
+#include "libknot/util/utils.h" // knot_lookup_table_t
+
+#include <stdio.h> // snprintf
+#include <stdlib.h> // strtoul
+
+/*!
+ * \brief The last RR type number in the descriptors table.
+ */
+const int KNOT_RRTYPE_LAST = KNOT_RRTYPE_ANY;
+
+/*!
+ * \brief Table with DNS classes.
+ */
+static knot_lookup_table_t dns_classes[] = {
+ { KNOT_CLASS_IN, "IN" },
+ { KNOT_CLASS_CH, "CH" },
+ { KNOT_CLASS_NONE, "NONE" },
+ { KNOT_CLASS_ANY, "ANY" },
+ { 0, NULL }
+};
/*!
* \brief RR type descriptors.
*/
static const rdata_descriptor_t rdata_descriptors[] = {
- [0] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
- [KNOT_RRTYPE_A] = { { 4, KNOT_RDATA_WF_END } },
+ [0] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END } },
+ [KNOT_RRTYPE_A] = { { 4, KNOT_RDATA_WF_END }, "A" },
[KNOT_RRTYPE_NS] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "NS" },
[KNOT_RRTYPE_CNAME] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "CNAME" },
[KNOT_RRTYPE_SOA] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_COMPRESSED_DNAME,
- 20, KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_COMPRESSED_DNAME,
+ 20, KNOT_RDATA_WF_END }, "SOA" },
[KNOT_RRTYPE_PTR] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "PTR" },
[KNOT_RRTYPE_HINFO] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "HINFO" },
[KNOT_RRTYPE_MINFO] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_COMPRESSED_DNAME,
+ KNOT_RDATA_WF_END }, "MINFO" },
[KNOT_RRTYPE_MX] = { { 2, KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "MX" },
[KNOT_RRTYPE_TXT] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "TXT" },
[KNOT_RRTYPE_RP] = { { KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_COMPRESSED_DNAME,
+ KNOT_RDATA_WF_END }, "RP" },
[KNOT_RRTYPE_AFSDB] = { { 2, KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "AFSDB" },
[KNOT_RRTYPE_RT] = { { 2, KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "RT" },
[KNOT_RRTYPE_KEY] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
- [KNOT_RRTYPE_AAAA] = { { 16, KNOT_RDATA_WF_END } },
- [KNOT_RRTYPE_LOC] = { { 16, KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "KEY" },
+ [KNOT_RRTYPE_AAAA] = { { 16, KNOT_RDATA_WF_END }, "AAAA" },
+ [KNOT_RRTYPE_LOC] = { { 16, KNOT_RDATA_WF_END }, "LOC" },
[KNOT_RRTYPE_SRV] = { { 6, KNOT_RDATA_WF_UNCOMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "SRV" },
[KNOT_RRTYPE_NAPTR] = { { KNOT_RDATA_WF_NAPTR_HEADER,
- KNOT_RDATA_WF_UNCOMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_UNCOMPRESSED_DNAME,
+ KNOT_RDATA_WF_END }, "NAPTR" },
[KNOT_RRTYPE_KX] = { { 2, KNOT_RDATA_WF_COMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "KX" },
[KNOT_RRTYPE_CERT] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "CERT" },
[KNOT_RRTYPE_DNAME] = { { KNOT_RDATA_WF_UNCOMPRESSED_DNAME,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "DNAME" },
[KNOT_RRTYPE_OPT] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "OPT" },
[KNOT_RRTYPE_APL] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "APL" },
[KNOT_RRTYPE_DS] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "DS" },
[KNOT_RRTYPE_SSHFP] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "SSHFP" },
[KNOT_RRTYPE_IPSECKEY] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "IPSECKEY" },
[KNOT_RRTYPE_RRSIG] = { { 18, KNOT_RDATA_WF_LITERAL_DNAME,
- KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "RRSIG" },
[KNOT_RRTYPE_NSEC] = { { KNOT_RDATA_WF_LITERAL_DNAME,
- KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "NSEC" },
[KNOT_RRTYPE_DNSKEY] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "DNSKEY" },
[KNOT_RRTYPE_DHCID] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "DHCID" },
[KNOT_RRTYPE_NSEC3] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "NSEC3" },
[KNOT_RRTYPE_NSEC3PARAM] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "NSEC3PARAM" },
[KNOT_RRTYPE_TLSA] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "TLSA" },
[KNOT_RRTYPE_SPF] = { { KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
- [KNOT_RRTYPE_TSIG] = { { KNOT_RDATA_WF_UNCOMPRESSED_DNAME,
- KNOT_RDATA_WF_REMAINDER,
- KNOT_RDATA_WF_END } },
+ KNOT_RDATA_WF_END }, "SPF" },
+ [KNOT_RRTYPE_TKEY] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "TKEY" },
+ [KNOT_RRTYPE_TSIG] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "TSIG" },
+ [KNOT_RRTYPE_IXFR] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "IXFR" },
+ [KNOT_RRTYPE_AXFR] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "AXFR" },
+ [KNOT_RRTYPE_ANY] = { { KNOT_RDATA_WF_REMAINDER,
+ KNOT_RDATA_WF_END }, "ANY" },
};
const rdata_descriptor_t *get_rdata_descriptor(const uint16_t type)
{
- if (type <= KNOT_RRTYPE_TSIG) {
+ if (type <= KNOT_RRTYPE_ANY && rdata_descriptors[type].type_name != 0) {
return &rdata_descriptors[type];
} else {
return &rdata_descriptors[0];
}
}
-int descriptor_item_is_dname(int item)
+int knot_rrtype_to_string(const uint16_t rrtype,
+ char *out,
+ const size_t out_len)
+{
+ int ret;
+
+ const rdata_descriptor_t *descr = get_rdata_descriptor(rrtype);
+
+ if (descr->type_name != 0) {
+ ret = snprintf(out, out_len, "%s", descr->type_name);
+ } else {
+ ret = snprintf(out, out_len, "TYPE%u", rrtype);
+ }
+
+ if (ret <= 0 || ret >= out_len) {
+ return -1;
+ } else {
+ return ret;
+ }
+}
+
+int knot_rrtype_from_string(const char *name, uint16_t *num)
+{
+ char *end;
+ unsigned i;
+ unsigned long n;
+
+ // Try to find name in descriptors table.
+ for (i = 0; i <= KNOT_RRTYPE_LAST; i++) {
+ if (rdata_descriptors[i].type_name != 0 &&
+ strcasecmp(rdata_descriptors[i].type_name, name) == 0) {
+ *num = i;
+ return 0;
+ }
+ }
+
+ // Type name must begin with TYPE.
+ if (strncasecmp(name, "TYPE", 4) != 0) {
+ return -1;
+ } else {
+ name += 4;
+ }
+
+ // The rest must be a number.
+ n = strtoul(name, &end, 10);
+ if (end == name || *end != '\0' || n > UINT16_MAX) {
+ return -1;
+ }
+
+ *num = n;
+ return 0;
+}
+
+int knot_rrclass_to_string(const uint16_t rrclass,
+ char *out,
+ const size_t out_len)
+{
+ int ret;
+
+ knot_lookup_table_t *entry = knot_lookup_by_id(dns_classes, rrclass);
+
+ if (entry != NULL) {
+ ret = snprintf(out, out_len, "%s", entry->name);
+ } else {
+ ret = snprintf(out, out_len, "CLASS%u", rrclass);
+ }
+
+ if (ret <= 0 || ret >= out_len) {
+ return -1;
+ } else {
+ return ret;
+ }
+}
+
+int knot_rrclass_from_string(const char *name, uint16_t *num)
+{
+ char *end;
+ unsigned long n;
+
+ // Try to find name in lookup table.
+ knot_lookup_table_t *entry = knot_lookup_by_name(dns_classes, name);
+
+ if (entry != NULL) {
+ *num = entry->id;
+ return 0;
+ }
+
+ // Class name must begin with CLASS.
+ if (strncasecmp(name, "CLASS", 5) != 0) {
+ return -1;
+ } else {
+ name += 5;
+ }
+
+ // The rest must be a number.
+ n = strtoul(name, &end, 10);
+ if (end == name || *end != '\0' || n > UINT16_MAX) {
+ return -1;
+ }
+
+ *num = n;
+ return 0;
+}
+
+int descriptor_item_is_dname(const int item)
{
return item == KNOT_RDATA_WF_LITERAL_DNAME ||
item == KNOT_RDATA_WF_COMPRESSED_DNAME ||
item == KNOT_RDATA_WF_UNCOMPRESSED_DNAME;
}
-int descriptor_item_is_compr_dname(int item)
+int descriptor_item_is_compr_dname(const int item)
{
return item == KNOT_RDATA_WF_COMPRESSED_DNAME;
}
-int descriptor_item_is_fixed(int item)
+int descriptor_item_is_fixed(const int item)
{
if (item > 0) {
return 1;
@@ -126,7 +257,7 @@ int descriptor_item_is_fixed(int item)
}
}
-int descriptor_item_is_remainder(int item)
+int descriptor_item_is_remainder(const int item)
{
if (item == KNOT_RDATA_WF_REMAINDER) {
return 1;
@@ -135,13 +266,13 @@ int descriptor_item_is_remainder(int item)
}
}
-int knot_rrtype_is_metatype(uint16_t type)
+int knot_rrtype_is_metatype(const uint16_t type)
{
- /*! \todo Check if there are some other metatypes. */
- return (type == KNOT_RRTYPE_ANY
- || type == KNOT_RRTYPE_AXFR
- || type == KNOT_RRTYPE_IXFR
- || type == KNOT_RRTYPE_OPT);
+ return (type == KNOT_RRTYPE_OPT ||
+ type == KNOT_RRTYPE_TKEY ||
+ type == KNOT_RRTYPE_TSIG ||
+ type == KNOT_RRTYPE_IXFR ||
+ type == KNOT_RRTYPE_AXFR ||
+ type == KNOT_RRTYPE_ANY);
}
-
diff --git a/src/common/descriptor_new.h b/src/common/descriptor_new.h
index ef3b83f96..4bf23f8f4 100644
--- a/src/common/descriptor_new.h
+++ b/src/common/descriptor_new.h
@@ -18,13 +18,15 @@
*
* \author Jan Kadlec <jan.kadlec@nic.cz>
*
+ * \addtogroup common_lib
* @{
*/
#ifndef _KNOT_DESCRIPTOR_NEW_H_
#define _KNOT_DESCRIPTOR_NEW_H_
-#include <stdint.h>
+#include <stdint.h> // uint16_t
+#include <stdio.h> // size_t
#define KNOT_MAX_RDATA_BLOCKS 8
@@ -71,7 +73,7 @@ enum knot_rr_type {
KNOT_RRTYPE_DNAME = 39, /*!< Delegation name. */
- KNOT_RRTYPE_OPT = 41, /*!< Option for EDNS*/
+ KNOT_RRTYPE_OPT = 41, /*!< METATYPE. Option for EDNS. */
KNOT_RRTYPE_APL = 42, /*!< Address prefix list. */
KNOT_RRTYPE_DS = 43, /*!< Delegation signer. */
KNOT_RRTYPE_SSHFP = 44, /*!< SSH public key fingerprint. */
@@ -82,15 +84,16 @@ enum knot_rr_type {
KNOT_RRTYPE_DHCID = 49, /*!< DHCP identifier. */
KNOT_RRTYPE_NSEC3 = 50, /*!< NSEC version 3. */
KNOT_RRTYPE_NSEC3PARAM = 51, /*!< NSEC3 parameters. */
- KNOT_RRTYPE_TLSA = 52, /*!< DANE. */
+ KNOT_RRTYPE_TLSA = 52, /*!< DANE record. */
KNOT_RRTYPE_SPF = 99, /*!< Sender policy framework. */
- KNOT_RRTYPE_TSIG = 250, /*!< Transaction signature. */
- KNOT_RRTYPE_IXFR = 251, /*!< Incremental zone transfer. */
- KNOT_RRTYPE_AXFR = 252, /*!< Authoritative zone transfer. */
+ KNOT_RRTYPE_TKEY = 249, /*!< METATYPE. Transaction key. */
+ KNOT_RRTYPE_TSIG = 250, /*!< METATYPE. Transaction signature. */
+ KNOT_RRTYPE_IXFR = 251, /*!< QTYPE. Incremental zone transfer. */
+ KNOT_RRTYPE_AXFR = 252, /*!< QTYPE. Authoritative zone transfer. */
- KNOT_RRTYPE_ANY = 255, /*!< Any record. */
+ KNOT_RRTYPE_ANY = 255, /*!< QTYPE. Any record. */
};
/*!
@@ -115,7 +118,10 @@ enum knot_rdata_wireformat {
* \brief Structure describing rdata.
*/
typedef struct {
- int block_types[KNOT_MAX_RDATA_BLOCKS];
+ /*!< Item types describing rdata. */
+ const int block_types[KNOT_MAX_RDATA_BLOCKS];
+ /*!< RR type name. */
+ const char *type_name;
} rdata_descriptor_t;
/*!
@@ -128,12 +134,105 @@ typedef struct {
*/
const rdata_descriptor_t *get_rdata_descriptor(const uint16_t type);
-int descriptor_item_is_dname(int item);
-int descriptor_item_is_fixed(int item);
-int descriptor_item_is_remainder(int item);
-int descriptor_item_is_compr_dname(int item);
-int knot_rrtype_is_metatype(uint16_t type);
+/*!
+ * \brief Converts numeric type representation to mnemonic string.
+ *
+ * \param rrtype Type RR type code to be converted.
+ * \param out Output buffer.
+ * \param out_len Length of the output buffer.
+ *
+ * \return Length of output string.
+ * \return -1 if error.
+ */
+int knot_rrtype_to_string(const uint16_t rrtype,
+ char *out,
+ const size_t out_len);
+
+/*!
+ * \brief Converts mnemonic string representation of a type to numeric one.
+ *
+ * \param name Mnemonic string to be converted.
+ * \param num Output variable.
+ *
+ * \return 0 if OK.
+ * \return -1 if error.
+ */
+int knot_rrtype_from_string(const char *name, uint16_t *num);
+
+/*!
+ * \brief Converts numeric class representation to the string one.
+ *
+ * \param rrclass Class code to be converted.
+ * \param out Output buffer.
+ * \param out_len Length of the output buffer.
+ *
+ * \return Length of output string.
+ * \return -1 if error.
+ */
+int knot_rrclass_to_string(const uint16_t rrclass,
+ char *out,
+ const size_t out_len);
+/*!
+ * \brief Converts string representation of a class to numeric one.
+ *
+ * \param name Mnemonic string to be converted.
+ * \param num Output variable.
+ *
+ * \return 0 if OK.
+ * \return -1 if error.
+ */
+int knot_rrclass_from_string(const char *name, uint16_t *num);
+
+/*!
+ * \brief Checks if given item is one of dname types.
+ *
+ * \param item Item value.
+ *
+ * \return 1 if YES.
+ * \return 0 if NO.
+ */
+int descriptor_item_is_dname(const int item);
+
+/*!
+ * \brief Checks if given item is compressible dname.
+ *
+ * \param item Item value.
+ *
+ * \return 1 if YES.
+ * \return 0 if NO.
+ */
+int descriptor_item_is_compr_dname(const int item);
+
+/*!
+ * \brief Checks if given item has fixed size.
+ *
+ * \param item Item value.
+ *
+ * \return 1 if YES.
+ * \return 0 if NO.
+ */
+int descriptor_item_is_fixed(const int item);
+
+/*!
+ * \brief Checks if given item is remainder.
+ *
+ * \param item Item value.
+ *
+ * \return 1 if YES.
+ * \return 0 if NO.
+ */
+int descriptor_item_is_remainder(const int item);
+
+/*!
+ * \brief Checks if given item is one of metatypes or qtypes.
+ *
+ * \param item Item value.
+ *
+ * \return 1 if YES.
+ * \return 0 if NO.
+ */
+int knot_rrtype_is_metatype(const uint16_t type);
#endif // _KNOT_DESCRIPTOR_NEW_H_
diff --git a/src/tests/common/descriptor_tests.c b/src/tests/common/descriptor_tests.c
new file mode 100644
index 000000000..83b4aca22
--- /dev/null
+++ b/src/tests/common/descriptor_tests.c
@@ -0,0 +1,234 @@
+/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "tests/common/descriptor_tests.h"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "common/descriptor_new.h"
+
+#define BUF_LEN 256
+
+static int descriptor_tests_count(int argc, char *argv[]);
+static int descriptor_tests_run(int argc, char *argv[]);
+
+unit_api descriptor_tests_api = {
+ "RR descriptors",
+ &descriptor_tests_count,
+ &descriptor_tests_run
+};
+
+static int descriptor_tests_count(int argc, char *argv[])
+{
+ return 68;
+}
+
+static int descriptor_tests_run(int argc, char *argv[])
+{
+ const rdata_descriptor_t *descr;
+ char name[BUF_LEN];
+ int ret;
+ uint16_t num;
+
+ // Get descriptor, type num to string:
+ // 1. TYPE0
+ descr = get_rdata_descriptor(0);
+ ok(descr->type_name == 0, "get TYPE0 descriptor name");
+ cmp_ok(descr->block_types[0], "==", KNOT_RDATA_WF_REMAINDER,
+ "get TYPE0 descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get TYPE0 descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(0, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get TYPE0 ret");
+ ok(strcmp(name, "TYPE0") == 0, "get TYPE0 name");
+
+ // 2. A
+ descr = get_rdata_descriptor(1);
+ ok(strcmp(descr->type_name, "A") == 0, "get A descriptor name");
+ cmp_ok(descr->block_types[0], "==", 4,
+ "get A descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get A descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(1, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get A ret");
+ ok(strcmp(name, "A") == 0, "get A name");
+
+ // 3. CNAME
+ descr = get_rdata_descriptor(5);
+ ok(strcmp(descr->type_name, "CNAME") == 0, "get CNAME descriptor name");
+ cmp_ok(descr->block_types[0], "==", KNOT_RDATA_WF_COMPRESSED_DNAME,
+ "get CNAME descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get CNAME descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(5, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get CNAME ret");
+ ok(strcmp(name, "CNAME") == 0, "get CNAME name");
+
+ // 4. TYPE38 (A6)
+ descr = get_rdata_descriptor(38);
+ ok(descr->type_name == 0, "get TYPE38 descriptor name");
+ cmp_ok(descr->block_types[0], "==", KNOT_RDATA_WF_REMAINDER,
+ "get TYPE38 descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get TYPE38 descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(38, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get TYPE38 ret");
+ ok(strcmp(name, "TYPE38") == 0, "get TYPE38 name");
+
+ // 5. ANY
+ descr = get_rdata_descriptor(255);
+ ok(strcmp(descr->type_name, "ANY") == 0, "get ANY descriptor name");
+ cmp_ok(descr->block_types[0], "==", KNOT_RDATA_WF_REMAINDER,
+ "get ANY descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get ANY descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(255, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get ANY ret");
+ ok(strcmp(name, "ANY") == 0, "get ANY name");
+
+ // 6. TYPE256
+ descr = get_rdata_descriptor(256);
+ ok(descr->type_name == 0, "get TYPE256 descriptor name");
+ cmp_ok(descr->block_types[0], "==", KNOT_RDATA_WF_REMAINDER,
+ "get TYPE256 descriptor 1. item type");
+ cmp_ok(descr->block_types[1], "==", KNOT_RDATA_WF_END,
+ "get TYPE256 descriptor 2. item type");
+
+ ret = knot_rrtype_to_string(256, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get TYPE256 ret");
+ ok(strcmp(name, "TYPE256") == 0, "get TYPE256 name");
+
+
+ // Class num to string:
+ // 7. CLASS0
+ ret = knot_rrclass_to_string(0, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get CLASS0 ret");
+ ok(strcmp(name, "CLASS0") == 0, "get CLASS0 name");
+
+ // 8. IN
+ ret = knot_rrclass_to_string(1, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get IN ret");
+ ok(strcmp(name, "IN") == 0, "get IN name");
+
+ // 9. ANY
+ ret = knot_rrclass_to_string(255, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get ANY ret");
+ ok(strcmp(name, "ANY") == 0, "get ANY name");
+
+ // 10. CLASS65535
+ ret = knot_rrclass_to_string(65535, name, BUF_LEN);
+ cmp_ok(ret, "!=", -1, "get CLASS65535 ret");
+ ok(strcmp(name, "CLASS65535") == 0, "get CLASS65535 name");
+
+ // String to type num:
+ // 11. A
+ ret = knot_rrtype_from_string("A", &num);
+ cmp_ok(ret, "!=", -1, "get A num ret");
+ cmp_ok(num, "==", 1, "get A num");
+
+ // 12. a
+ ret = knot_rrtype_from_string("a", &num);
+ cmp_ok(ret, "!=", -1, "get a num ret");
+ cmp_ok(num, "==", 1, "get a num");
+
+ // 13. AaAa
+ ret = knot_rrtype_from_string("AaAa", &num);
+ cmp_ok(ret, "!=", -1, "get AaAa num ret");
+ cmp_ok(num, "==", 28, "get AaAa num");
+
+ // 14. ""
+ ret = knot_rrtype_from_string("", &num);
+ cmp_ok(ret, "==", -1, "get "" num ret");
+
+ // 15. DUMMY
+ ret = knot_rrtype_from_string("DUMMY", &num);
+ cmp_ok(ret, "==", -1, "get DUMMY num ret");
+
+ // 16. TypE33
+ ret = knot_rrtype_from_string("TypE33", &num);
+ cmp_ok(ret, "!=", -1, "get TypE33 num ret");
+ cmp_ok(num, "==", 33, "get TypE33 num");
+
+ // 17. TYPE
+ ret = knot_rrtype_from_string("TYPE", &num);
+ cmp_ok(ret, "==", -1, "get TYPE num ret");
+
+ // 18. TYPE0
+ ret = knot_rrtype_from_string("TYPE0", &num);
+ cmp_ok(ret, "!=", -1, "get TYPE0 num ret");
+ cmp_ok(num, "==", 0, "get TYPE0 num");
+
+ // 19. TYPE65535
+ ret = knot_rrtype_from_string("TYPE65535", &num);
+ cmp_ok(ret, "!=", -1, "get TYPE65535 num ret");
+ cmp_ok(num, "==", 65535, "get TYPE65535 num");
+
+ // 20. TYPE65536
+ ret = knot_rrtype_from_string("TYPE65536", &num);
+ cmp_ok(ret, "==", -1, "get TYPE65536 num ret");
+
+ // String to class num:
+ // 21. In
+ ret = knot_rrclass_from_string("In", &num);
+ cmp_ok(ret, "!=", -1, "get In num ret");
+ cmp_ok(num, "==", 1, "get In num");
+
+ // 22. ANY
+ ret = knot_rrclass_from_string("ANY", &num);
+ cmp_ok(ret, "!=", -1, "get ANY num ret");
+ cmp_ok(num, "==", 255, "get ANY num");
+
+ // 23. ""
+ ret = knot_rrclass_from_string("", &num);
+ cmp_ok(ret, "==", -1, "get "" num ret");
+
+ // 24. DUMMY
+ ret = knot_rrclass_from_string("DUMMY", &num);
+ cmp_ok(ret, "==", -1, "get DUMMY num ret");
+
+ // 25. CLass33
+ ret = knot_rrclass_from_string("CLass33", &num);
+ cmp_ok(ret, "!=", -1, "get CLass33 num ret");
+ cmp_ok(num, "==", 33, "get CLass33 num");
+
+ // 26. CLASS
+ ret = knot_rrclass_from_string("CLASS", &num);
+ cmp_ok(ret, "==", -1, "get CLASS num ret");
+
+ // 27. CLASS0
+ ret = knot_rrclass_from_string("CLASS0", &num);
+ cmp_ok(ret, "!=", -1, "get CLASS0 num ret");
+ cmp_ok(num, "==", 0, "get CLASS0 num");
+
+ // 28. CLASS65535
+ ret = knot_rrclass_from_string("CLASS65535", &num);
+ cmp_ok(ret, "!=", -1, "get CLASS65535 num ret");
+ cmp_ok(num, "==", 65535, "get CLASS65535 num");
+
+ // 29. CLASS65536
+ ret = knot_rrclass_from_string("CLASS65536", &num);
+ cmp_ok(ret, "==", -1, "get CLASS65536 num ret");
+
+ return 0;
+}
+
diff --git a/src/tests/common/descriptor_tests.h b/src/tests/common/descriptor_tests.h
new file mode 100644
index 000000000..7b7f861a9
--- /dev/null
+++ b/src/tests/common/descriptor_tests.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _KNOTD_DESCRIPTOR_TESTS_H_
+#define _KNOTD_DESCRIPTOR_TESTS_H_
+
+#include "common/libtap/tap_unit.h"
+
+/* Unit API. */
+unit_api descriptor_tests_api;
+
+#endif /* _KNOTD_DESCRIPTOR_TESTS_H_ */
diff --git a/src/tests/unittests_main.c b/src/tests/unittests_main.c
index c4c220ffb..bd59ab969 100644
--- a/src/tests/unittests_main.c
+++ b/src/tests/unittests_main.c
@@ -26,6 +26,7 @@
#include "tests/common/fdset_tests.h"
#include "tests/common/base64_tests.h"
#include "tests/common/base32hex_tests.h"
+#include "tests/common/descriptor_tests.h"
#include "tests/knot/dthreads_tests.h"
#include "tests/knot/journal_tests.h"
#include "tests/knot/server_tests.h"
@@ -54,6 +55,7 @@ int main(int argc, char *argv[])
&fdset_tests_api, //! FDSET polling wrapper
&base64_tests_api, //! Base64 encoding
&base32hex_tests_api, //! Base32hex encoding
+ &descriptor_tests_api, //! RR descriptors
/* Library. */
&wire_tests_api,
--
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