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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:24:08 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:24:08 +0000
commitf449f278dd3c70e479a035f50a9bb817a9b433ba (patch)
tree8ca2bfb785dda9bb4d573acdf9b42aea9cd51383 /src/utils/kzonecheck/zone_check.c
parentInitial commit. (diff)
downloadknot-f449f278dd3c70e479a035f50a9bb817a9b433ba.tar.xz
knot-f449f278dd3c70e479a035f50a9bb817a9b433ba.zip
Adding upstream version 3.2.6.upstream/3.2.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/utils/kzonecheck/zone_check.c')
-rw-r--r--src/utils/kzonecheck/zone_check.c92
1 files changed, 92 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..55561a5
--- /dev/null
+++ b/src/utils/kzonecheck/zone_check.c
@@ -0,0 +1,92 @@
+/* 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/>.
+ */
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "utils/kzonecheck/zone_check.h"
+
+#include "knot/zone/contents.h"
+#include "knot/zone/zonefile.h"
+#include "utils/common/msg.h"
+
+typedef struct {
+ sem_handler_t handler;
+ 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 knot_dname_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;
+
+ knot_dname_txt_storage_t buff;
+ char *owner = knot_dname_to_str(buff, (node != NULL ? node : zone->apex->owner),
+ sizeof(buff));
+ if (owner == NULL) {
+ owner = "";
+ }
+
+ printf("[%s] %s%s%s\n", owner, sem_error_msg(error),
+ (data != NULL ? " " : ""),
+ (data != NULL ? data : ""));
+
+ stats->errors[error]++;
+ stats->error_count++;
+}
+
+static void print_statistics(err_handler_stats_t *stats)
+{
+ printf("\nError summary:\n");
+ for (sem_error_t i = 0; i <= SEM_ERR_UNKNOWN; ++i) {
+ if (stats->errors[i] > 0) {
+ printf("%4u\t%s\n", stats->errors[i], sem_error_msg(i));
+ }
+ }
+}
+
+int zone_check(const char *zone_file, const knot_dname_t *zone_name,
+ semcheck_optional_t optional, time_t time)
+{
+ err_handler_stats_t stats = {
+ .handler = { .cb = err_callback },
+ };
+
+ zloader_t zl;
+ int ret = zonefile_open(&zl, zone_file, zone_name, optional, 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.error) {
+ return KNOT_ERROR;
+ }
+ zone_contents_deep_free(contents);
+
+ if (stats.error_count > 0) {
+ print_statistics(&stats);
+ return stats.handler.error ? KNOT_EZONEINVAL : KNOT_ESEMCHECK;
+ } else {
+ return KNOT_EOK;
+ }
+}