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-rw-r--r--src/utils/kzonecheck/zone_check.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/utils/kzonecheck/zone_check.c b/src/utils/kzonecheck/zone_check.c
new file mode 100644
index 0000000..5ddc7d0
--- /dev/null
+++ b/src/utils/kzonecheck/zone_check.c
@@ -0,0 +1,91 @@
+/* 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/>.
+*/
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "knot/zone/contents.h"
+#include "knot/zone/zonefile.h"
+#include "utils/kzonecheck/zone_check.h"
+
+typedef struct {
+ sem_handler_t handler;
+ FILE *outfile;
+ unsigned errors[SEM_ERR_UNKNOWN + 1]; /*!< Counting errors by type. */
+ unsigned error_count; /*!< Total error count. */
+} err_handler_stats_t;
+
+static void err_callback(sem_handler_t *handler, const zone_contents_t *zone,
+ const zone_node_t *node, sem_error_t error, const char *data)
+{
+ assert(handler != NULL);
+ assert(zone != NULL);
+ err_handler_stats_t *stats = (err_handler_stats_t *)handler;
+
+ char buff[KNOT_DNAME_TXT_MAXLEN + 1] = "";
+ (void)knot_dname_to_str(buff, (node != NULL ? node->owner : zone->apex->owner),
+ sizeof(buff));
+
+ fprintf(stats->outfile, "[%s] %s%s%s\n",
+ buff, sem_error_msg(error),
+ (data != NULL ? " " : ""),
+ (data != NULL ? data : ""));
+
+ stats->errors[error]++;
+ stats->error_count++;
+}
+
+static void print_statistics(err_handler_stats_t *stats)
+{
+ fprintf(stats->outfile, "\nError summary:\n");
+ for (sem_error_t i = 0; i <= SEM_ERR_UNKNOWN; ++i) {
+ if (stats->errors[i] > 0) {
+ fprintf(stats->outfile, "%4u\t%s\n", stats->errors[i],
+ sem_error_msg(i));
+ }
+ }
+}
+
+int zone_check(const char *zone_file, const knot_dname_t *zone_name,
+ FILE *outfile, time_t time)
+{
+ err_handler_stats_t stats = {
+ .handler = { .cb = err_callback },
+ .outfile = outfile
+ };
+
+ zloader_t zl;
+ int ret = zonefile_open(&zl, zone_file, zone_name, true, time);
+ if (ret != KNOT_EOK) {
+ return ret;
+ }
+ zl.err_handler = (sem_handler_t *)&stats;
+ zl.creator->master = true;
+
+ zone_contents_t *contents = zonefile_load(&zl);
+ zonefile_close(&zl);
+ if (contents == NULL && !stats.handler.fatal_error) {
+ return KNOT_ERROR;
+ }
+ zone_contents_deep_free(contents);
+
+ if (stats.error_count > 0) {
+ print_statistics(&stats);
+ return stats.handler.fatal_error ? KNOT_EZONEINVAL : KNOT_ESEMCHECK;
+ } else {
+ return KNOT_EOK;
+ }
+}