1 files changed, 104 insertions, 0 deletions
diff --git a/src/knot/zone/zonefile.h b/src/knot/zone/zonefile.h
new file mode 100644
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--- /dev/null
+++ b/src/knot/zone/zonefile.h
@@ -0,0 +1,104 @@
+/*  Copyright (C) 2022 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 <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "knot/zone/zone.h"
+#include "knot/zone/semantic-check.h"
+#include "libzscanner/scanner.h"
+/*!
+ * \brief Zone creator structure.
+ */
+typedef struct zcreator {
+	zone_contents_t *z;  /*!< Created zone. */
+	bool master;         /*!< True if server is a primary master for the zone. */
+	int ret;             /*!< Return value. */
+} zcreator_t;
+
+/*!
+ * \brief Zone loader structure.
+ */
+typedef struct {
+	char *source;                /*!< Zone source file. */
+	semcheck_optional_t semantic_checks;  /*!< Do semantic checks. */
+	sem_handler_t *err_handler;  /*!< Semantic checks error handler. */
+	zcreator_t *creator;         /*!< Loader context. */
+	zs_scanner_t scanner;        /*!< Zone scanner. */
+	time_t time;                 /*!< time for zone check. */
+} zloader_t;
+
+void err_handler_logger(sem_handler_t *handler, const zone_contents_t *zone,
+                        const knot_dname_t *node, sem_error_t error, const char *data);
+
+/*!
+ * \brief Open zone file for loading.
+ *
+ * \param loader Output zone loader.
+ * \param source Source file name.
+ * \param origin Zone origin.
+ * \param semantic_checks Perform semantic checks.
+ * \param time Time for semantic check.
+ *
+ * \retval Initialized loader on success.
+ * \retval NULL on error.
+ */
+int zonefile_open(zloader_t *loader, const char *source,
+                  const knot_dname_t *origin, semcheck_optional_t semantic_checks, time_t time);
+
+/*!
+ * \brief Loads zone from a zone file.
+ *
+ * \param loader Zone loader instance.
+ *
+ * \retval Loaded zone contents on success.
+ * \retval NULL otherwise.
+ */
+zone_contents_t *zonefile_load(zloader_t *loader);
+
+/*!
+ * \brief Checks if zonefile exists.
+ *
+ * \param path   Zonefile path.
+ * \param mtime  Zonefile mtime if exists (can be NULL).
+ *
+ * \return KNOT_E*
+ */
+int zonefile_exists(const char *path, struct timespec *mtime);
+
+/*!
+ * \brief Write zone contents to zone file.
+ */
+int zonefile_write(const char *path, zone_contents_t *zone);
+
+/*!
+ * \brief Close zone file loader.
+ *
+ * \param loader Zone loader instance.
+ */
+void zonefile_close(zloader_t *loader);
+
+/*!
+ * \brief Adds one RR into zone.
+ *
+ * \param zl  Zone loader.
+ * \param rr  RR to add.
+ *
+ * \return KNOT_E*
+ */
+int zcreator_step(zcreator_t *zl, const knot_rrset_t *rr);