Adding upstream version 2.7.6.upstream/2.7.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 176 insertions, 0 deletions

diff --git a/src/utils/kdig/kdig_params.h b/src/utils/kdig/kdig_params.h
new file mode 100644
index 0000000..17907ab
--- /dev/null
+++ b/src/utils/kdig/kdig_params.h
@@ -0,0 +1,176 @@
+/*  Copyright (C) 2018 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/>.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+
+#include "utils/common/params.h"
+#include "utils/common/exec.h"
+#include "utils/common/sign.h"
+#include "libknot/libknot.h"
+#include "contrib/sockaddr.h"
+
+#if USE_DNSTAP
+# include "contrib/dnstap/reader.h"
+# include "contrib/dnstap/writer.h"
+#endif // USE_DNSTAP
+
+/*! \brief Operation mode of kdig. */
+typedef enum {
+	/*!< Standard 1-message query/reply. */
+	OPERATION_QUERY,
+	/*!< Zone transfer (AXFR or IXFR). */
+	OPERATION_XFR,
+	/*!< Dump dnstap file. */
+	OPERATION_LIST_DNSTAP,
+	/*!< Query for NS and all authoritative SOA records. */
+	OPERATION_LIST_SOA
+} operation_t;
+
+/*! \brief DNS header and EDNS flags. */
+typedef struct {
+	/*!< Authoritative answer flag. */
+	bool	aa_flag;
+	/*!< Truncated flag. */
+	bool	tc_flag;
+	/*!< Recursion desired flag. */
+	bool	rd_flag;
+	/*!< Recursion available flag. */
+	bool	ra_flag;
+	/*!< Z flag. */
+	bool	z_flag;
+	/*!< Authenticated data flag. */
+	bool	ad_flag;
+	/*!< Checking disabled flag. */
+	bool	cd_flag;
+	/*!< DNSSEC OK flag. */
+	bool	do_flag;
+} flags_t;
+
+/*! \brief Basic parameters for DNS query. */
+typedef struct query query_t; // Forward declaration due to configuration.
+struct query {
+	/*!< List node (for list container). */
+	node_t		n;
+	/*!< Reference to global config. */
+	const query_t	*conf;
+	/*!< Name to query on. */
+	char		*owner;
+	/*!< List of nameservers to query to. */
+	list_t		servers;
+	/*!< Local interface (optional). */
+	srv_info_t	*local;
+	/*!< Operation mode. */
+	operation_t	operation;
+	/*!< Version of ip protocol to use. */
+	ip_t		ip;
+	/*!< Protocol type (TCP, UDP) to use. */
+	protocol_t	protocol;
+	/*!< Use TCP Fast Open. */
+	bool		fastopen;
+	/*!< Port/service to connect to. */
+	char		*port;
+	/*!< UDP buffer size (16unsigned + -1 uninitialized). */
+	int32_t		udp_size;
+	/*!< Number of UDP retries. */
+	uint32_t	retries;
+	/*!< Wait for network response in seconds (-1 means forever). */
+	int32_t		wait;
+	/*!< Ignore truncated response. */
+	bool		ignore_tc;
+	/*!< Class number (16unsigned + -1 uninitialized). */
+	int32_t		class_num;
+	/*!< Type number (16unsigned + -1 uninitialized). */
+	int32_t		type_num;
+	/*!< SOA serial for IXFR and NOTIFY (32unsigned + -1 uninitialized). */
+	int64_t		serial;
+	/*!< NOTIFY query. */
+	bool		notify;
+	/*!< Header flags. */
+	flags_t		flags;
+	/*!< Output settings. */
+	style_t		style;
+	/*!< IDN conversion. */
+	bool		idn;
+	/*!< Query for NSID. */
+	bool		nsid;
+	/*!< EDNS version (8unsigned + -1 uninitialized). */
+	int16_t		edns;
+	/*!< EDNS client cookie. */
+	knot_edns_cookie_t cc;
+	/*!< EDNS server cookie. */
+	knot_edns_cookie_t sc;
+	/*!< Repeat query after BADCOOKIE. */
+	bool		badcookie;
+	/*!< EDNS0 padding (16unsigned + -1 ~ uninitialized, -2 ~ default, -3 ~ none). */
+	int32_t		padding;
+	/*!< Query alignment with EDNS0 padding (0 ~ uninitialized). */
+	uint16_t	alignment;
+	/*!< TLS parameters. */
+	tls_params_t	tls;
+	/*!< Transaction signature. */
+	knot_tsig_key_t tsig_key;
+	/*!< EDNS client subnet. */
+	knot_edns_client_subnet_t subnet;
+	/*!< Lits of custom EDNS options. */
+	list_t		edns_opts;
+#if USE_DNSTAP
+	/*!< Context for dnstap reader input. */
+	dt_reader_t	*dt_reader;
+	/*!< Context for dnstap writer output. */
+	dt_writer_t	*dt_writer;
+#endif // USE_DNSTAP
+};
+
+/*! \brief EDNS option data. */
+typedef struct {
+	/*! List node (for list container). */
+	node_t	n;
+	/*!< OPTION-CODE field. */
+	uint16_t code;
+	/*!< OPTION-LENGTH field. */
+	uint16_t length;
+	/*!< OPTION-DATA field. */
+	uint8_t *data;
+} ednsopt_t;
+
+/*! \brief Settings for kdig. */
+typedef struct {
+	/*!< Stop processing - just print help, version,... */
+	bool	stop;
+	/*!< List of DNS queries to process. */
+	list_t	queries;
+	/*!< Default settings for queries. */
+	query_t	*config;
+} kdig_params_t;
+
+query_t *query_create(const char *owner, const query_t *config);
+void query_free(query_t *query);
+void complete_queries(list_t *queries, const query_t *conf);
+
+ednsopt_t *ednsopt_create(uint16_t code, uint16_t length, uint8_t *data);
+ednsopt_t *ednsopt_dup(const ednsopt_t *opt);
+void ednsopt_free(ednsopt_t *opt);
+
+void ednsopt_list_init(list_t *list);
+void ednsopt_list_deinit(list_t *list);
+int ednsopt_list_dup(list_t *dst, const list_t *src);
+bool ednsopt_list_empty(const list_t *list);
+
+int kdig_init(kdig_params_t *params);
+int kdig_parse(kdig_params_t *params, int argc, char *argv[]);
+void kdig_clean(kdig_params_t *params);