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-rw-r--r--src/utils/kjournalprint/main.c466
1 files changed, 466 insertions, 0 deletions
diff --git a/src/utils/kjournalprint/main.c b/src/utils/kjournalprint/main.c
new file mode 100644
index 0000000..ed3227c
--- /dev/null
+++ b/src/utils/kjournalprint/main.c
@@ -0,0 +1,466 @@
+/* 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 <getopt.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "libknot/libknot.h"
+#include "knot/journal/journal_basic.h"
+#include "knot/journal/journal_metadata.h"
+#include "knot/journal/journal_read.h"
+#include "knot/journal/serialization.h"
+#include "knot/zone/zone-dump.h"
+#include "utils/common/msg.h"
+#include "utils/common/params.h"
+#include "utils/common/util_conf.h"
+#include "contrib/color.h"
+#include "contrib/strtonum.h"
+#include "contrib/string.h"
+
+#define PROGRAM_NAME "kjournalprint"
+
+static void print_help(void)
+{
+ printf("Usage:\n"
+ " %s [-c | -C | -D <path>] [parameters] <zone_name>\n"
+ " %s [-c | -C | -D <path>] -z\n"
+ "\n"
+ "Parameters:\n"
+ " -c, --config <file> Path to a textual configuration file.\n"
+ " (default %s)\n"
+ " -C, --confdb <dir> Path to a configuration database directory.\n"
+ " (default %s)\n"
+ " -D, --dir <path> Path to a journal database directory, use default configuration.\n"
+ " -z, --zone-list Instead of reading the journal, display the list\n"
+ " of zones in the DB.\n"
+ " -l, --limit <num> Read only <num> newest changes.\n"
+ " -s, --serial <soa> Start with a specific SOA serial.\n"
+ " -H, --check Additional journal semantic checks.\n"
+ " -d, --debug Debug mode output.\n"
+ " -x, --mono Get output without coloring.\n"
+ " -n, --no-color An alias for -x, deprecated.\n"
+ " -X, --color Force output coloring.\n"
+ " -h, --help Print the program help.\n"
+ " -V, --version Print the program version.\n",
+ PROGRAM_NAME, PROGRAM_NAME, CONF_DEFAULT_FILE, CONF_DEFAULT_DBDIR);
+}
+
+typedef struct {
+ bool debug;
+ bool color;
+ bool check;
+ int limit;
+ int counter;
+ uint32_t serial;
+ bool from_serial;
+ size_t changes;
+} print_params_t;
+
+static void print_changeset(const changeset_t *chs, print_params_t *params)
+{
+ static size_t count = 1;
+ if (chs->soa_from == NULL) {
+ printf("%s;; Zone-in-journal, serial: %u, changeset: %zu%s\n",
+ COL_YELW(params->color),
+ knot_soa_serial(chs->soa_to->rrs.rdata),
+ count++,
+ COL_RST(params->color));
+ } else {
+ printf("%s;; Changes between zone versions: %u -> %u, changeset: %zu%s\n",
+ COL_YELW(params->color),
+ knot_soa_serial(chs->soa_from->rrs.rdata),
+ knot_soa_serial(chs->soa_to->rrs.rdata),
+ count++,
+ COL_RST(params->color));
+ }
+ changeset_print(chs, stdout, params->color);
+}
+
+knot_dynarray_declare(rrtype, uint16_t, DYNARRAY_VISIBILITY_STATIC, 100)
+knot_dynarray_define(rrtype, uint16_t, DYNARRAY_VISIBILITY_STATIC)
+
+typedef struct {
+ rrtype_dynarray_t *arr;
+ size_t *counter;
+} rrtypelist_ctx_t;
+
+static void rrtypelist_add(rrtype_dynarray_t *arr, uint16_t add_type)
+{
+ bool already_present = false;
+ knot_dynarray_foreach(rrtype, uint16_t, i, *arr) {
+ if (*i == add_type) {
+ already_present = true;
+ break;
+ }
+ }
+ if (!already_present) {
+ rrtype_dynarray_add(arr, &add_type);
+ }
+}
+
+static int rrtypelist_callback(zone_node_t *node, void *data)
+{
+ rrtypelist_ctx_t *ctx = data;
+ for (int i = 0; i < node->rrset_count; i++) {
+ knot_rrset_t rrset = node_rrset_at(node, i);
+ rrtypelist_add(ctx->arr, rrset.type);
+ *ctx->counter += rrset.rrs.count;
+ }
+ return KNOT_EOK;
+}
+
+static void print_changeset_debugmode(const changeset_t *chs)
+{
+ // detect all types
+ rrtype_dynarray_t types = { 0 };
+ size_t count_minus = 1, count_plus = 1; // 1 for SOA which is always present but not iterated
+ rrtypelist_ctx_t ctx_minus = { &types, &count_minus }, ctx_plus = { &types, &count_plus };
+ (void)zone_contents_apply(chs->remove, rrtypelist_callback, &ctx_minus);
+ (void)zone_contents_nsec3_apply(chs->remove, rrtypelist_callback, &ctx_minus);
+ (void)zone_contents_apply(chs->add, rrtypelist_callback, &ctx_plus);
+ (void)zone_contents_nsec3_apply(chs->add, rrtypelist_callback, &ctx_plus);
+
+ if (chs->soa_from == NULL) {
+ printf("Zone-in-journal %u +++: %zu\t size: %zu\t", knot_soa_serial(chs->soa_to->rrs.rdata),
+ count_plus, changeset_serialized_size(chs));
+ } else {
+ printf("%u -> %u ---: %zu\t +++: %zu\t size: %zu\t", knot_soa_serial(chs->soa_from->rrs.rdata),
+ knot_soa_serial(chs->soa_to->rrs.rdata), count_minus, count_plus, changeset_serialized_size(chs));
+ }
+
+ char temp[100];
+ knot_dynarray_foreach(rrtype, uint16_t, i, types) {
+ (void)knot_rrtype_to_string(*i, temp, sizeof(temp));
+ printf(" %s", temp);
+ }
+ printf("\n");
+}
+
+static int count_changeset_cb(_unused_ bool special, const changeset_t *ch, void *ctx)
+{
+ print_params_t *params = ctx;
+ if (ch != NULL) {
+ params->counter++;
+ }
+ return KNOT_EOK;
+}
+
+static int print_changeset_cb(bool special, const changeset_t *ch, void *ctx)
+{
+ print_params_t *params = ctx;
+ if (ch != NULL && params->counter++ >= params->limit) {
+ if (params->debug) {
+ print_changeset_debugmode(ch);
+ params->changes++;
+ } else {
+ print_changeset(ch, params);
+ }
+ if (special && params->debug) {
+ printf("---------------------------------------------\n");
+ }
+ }
+ return KNOT_EOK;
+}
+
+int print_journal(char *path, knot_dname_t *name, print_params_t *params)
+{
+ knot_lmdb_db_t jdb = { 0 };
+ zone_journal_t j = { &jdb, name };
+ bool exists;
+ uint64_t occupied, occupied_all;
+
+ knot_lmdb_init(&jdb, path, 0, journal_env_flags(JOURNAL_MODE_ROBUST, true), NULL);
+ int ret = knot_lmdb_exists(&jdb);
+ if (ret == KNOT_EOK) {
+ ret = knot_lmdb_open(&jdb);
+ }
+ if (ret != KNOT_EOK) {
+ knot_lmdb_deinit(&jdb);
+ return ret;
+ }
+
+ ret = journal_info(j, &exists, NULL, NULL, NULL, NULL, NULL, &occupied, &occupied_all);
+ if (ret != KNOT_EOK || !exists) {
+ ERR2("zone not exists in the journal DB %s", path);
+ knot_lmdb_deinit(&jdb);
+ return ret == KNOT_EOK ? KNOT_ENOENT : ret;
+ }
+
+ if (params->check) {
+ ret = journal_sem_check(j);
+ if (ret > 0) {
+ ERR2("semantic check failed with code %d", ret);
+ } else if (ret != KNOT_EOK) {
+ ERR2("semantic check failed (%s)", knot_strerror(ret));
+ }
+ }
+
+ if (params->limit >= 0 && ret == KNOT_EOK) {
+ if (params->from_serial) {
+ ret = journal_walk_from(j, params->serial, count_changeset_cb, params);
+ } else {
+ ret = journal_walk(j, count_changeset_cb, params);
+ }
+ }
+ if (ret == KNOT_EOK) {
+ if (params->limit < 0 || params->counter <= params->limit) {
+ params->limit = 0;
+ } else {
+ params->limit = params->counter - params->limit;
+ }
+ params->counter = 0;
+ if (params->from_serial) {
+ ret = journal_walk_from(j, params->serial, print_changeset_cb, params);
+ } else {
+ ret = journal_walk(j, print_changeset_cb, params);
+ }
+ }
+
+ if (params->debug && ret == KNOT_EOK) {
+ printf("Total number of changesets: %zu\n", params->changes);
+ printf("Occupied this zone (approx): %"PRIu64" KiB\n", occupied / 1024);
+ printf("Occupied all zones together: %"PRIu64" KiB\n", occupied_all / 1024);
+ }
+
+ knot_lmdb_deinit(&jdb);
+ return ret;
+}
+
+static int add_zone_to_list(const knot_dname_t *zone, void *list)
+{
+ knot_dname_t *copy = knot_dname_copy(zone, NULL);
+ if (copy == NULL) {
+ return KNOT_ENOMEM;
+ }
+ return ptrlist_add(list, copy, NULL) == NULL ? KNOT_ENOMEM : KNOT_EOK;
+}
+
+static int list_zone(const knot_dname_t *zone, bool detailed, knot_lmdb_db_t *jdb, uint64_t *occupied_all)
+{
+ knot_dname_txt_storage_t zone_str;
+ if (knot_dname_to_str(zone_str, zone, sizeof(zone_str)) == NULL) {
+ return KNOT_EINVAL;
+ }
+
+ if (detailed) {
+ zone_journal_t j = { jdb, zone };
+ bool exists;
+ uint64_t occupied;
+
+ int ret = journal_info(j, &exists, NULL, NULL, NULL, NULL, NULL, &occupied, occupied_all);
+ if (ret != KNOT_EOK) {
+ return ret;
+ }
+ assert(exists);
+ printf("%s \t%"PRIu64" KiB\n", zone_str, occupied / 1024);
+ } else {
+ printf("%s\n", zone_str);
+ }
+ return KNOT_EOK;
+}
+
+int list_zones(char *path, bool detailed)
+{
+ knot_lmdb_db_t jdb = { 0 };
+ knot_lmdb_init(&jdb, path, 0, journal_env_flags(JOURNAL_MODE_ROBUST, true), NULL);
+
+ list_t zones;
+ init_list(&zones);
+ ptrnode_t *zone;
+ uint64_t occupied_all = 0;
+
+ int ret = journals_walk(&jdb, add_zone_to_list, &zones);
+ WALK_LIST(zone, zones) {
+ if (ret != KNOT_EOK) {
+ break;
+ }
+ ret = list_zone(zone->d, detailed, &jdb, &occupied_all);
+ }
+
+ knot_lmdb_deinit(&jdb);
+ ptrlist_deep_free(&zones, NULL);
+
+ if (detailed && ret == KNOT_EOK) {
+ printf("Occupied all zones together: %"PRIu64" KiB\n", occupied_all / 1024);
+ }
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ bool justlist = false;
+
+ print_params_t params = {
+ .debug = false,
+ .color = isatty(STDOUT_FILENO),
+ .check = false,
+ .limit = -1,
+ .from_serial = false,
+ };
+
+ struct option opts[] = {
+ { "config", required_argument, NULL, 'c' },
+ { "confdb", required_argument, NULL, 'C' },
+ { "dir", required_argument, NULL, 'D' },
+ { "limit", required_argument, NULL, 'l' },
+ { "serial", required_argument, NULL, 's' },
+ { "zone-list", no_argument, NULL, 'z' },
+ { "check", no_argument, NULL, 'H' },
+ { "debug", no_argument, NULL, 'd' },
+ { "no-color", no_argument, NULL, 'n' },
+ { "mono", no_argument, NULL, 'x' },
+ { "color", no_argument, NULL, 'X' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, 'V' },
+ { NULL }
+ };
+
+ int opt = 0;
+ while ((opt = getopt_long(argc, argv, "c:C:D:l:s:zHdnxXhV", opts, NULL)) != -1) {
+ switch (opt) {
+ case 'c':
+ if (util_conf_init_file(optarg) != KNOT_EOK) {
+ goto failure;
+ }
+ break;
+ case 'C':
+ if (util_conf_init_confdb(optarg) != KNOT_EOK) {
+ goto failure;
+ }
+ break;
+ case 'D':
+ if (util_conf_init_justdb("journal-db", optarg) != KNOT_EOK) {
+ goto failure;
+ }
+ break;
+ case 'l':
+ if (str_to_int(optarg, &params.limit, 0, INT_MAX) != KNOT_EOK) {
+ print_help();
+ goto failure;
+ }
+ break;
+ case 's':
+ if (str_to_u32(optarg, &params.serial) != KNOT_EOK) {
+ print_help();
+ goto failure;
+ }
+ params.from_serial = true;
+ break;
+ case 'z':
+ justlist = true;
+ break;
+ case 'H':
+ params.check = true;
+ break;
+ case 'd':
+ params.debug = true;
+ break;
+ case 'n':
+ case 'x':
+ params.color = false;
+ break;
+ case 'X':
+ params.color = true;
+ break;
+ case 'h':
+ print_help();
+ goto success;
+ case 'V':
+ print_version(PROGRAM_NAME);
+ goto success;
+ default:
+ print_help();
+ goto failure;
+ }
+ }
+
+ // Backward compatibility.
+ if ((justlist && (argc - optind > 0)) || (!justlist && (argc - optind > 1))) {
+ WARN2("obsolete parameter specified");
+ if (util_conf_init_justdb("journal-db", argv[optind]) != KNOT_EOK) {
+ goto failure;
+ }
+ optind++;
+ }
+
+ if (util_conf_init_default(true) != KNOT_EOK) {
+ goto failure;
+ }
+
+ char *db = conf_db(conf(), C_JOURNAL_DB);
+
+ if (justlist) {
+ int ret = list_zones(db, params.debug);
+ free(db);
+ switch (ret) {
+ case KNOT_ENOENT:
+ INFO2("No zones in journal DB");
+ // FALLTHROUGH
+ case KNOT_EOK:
+ goto success;
+ case KNOT_ENODB:
+ ERR2("the journal DB does not exist");
+ goto failure;
+ case KNOT_EMALF:
+ ERR2("the journal DB is broken");
+ goto failure;
+ default:
+ ERR2("failed to load zone list (%s)", knot_strerror(ret));
+ goto failure;
+ }
+ } else {
+ if (argc - optind != 1) {
+ print_help();
+ free(db);
+ goto failure;
+ }
+ knot_dname_t *name = knot_dname_from_str_alloc(argv[optind]);
+ knot_dname_to_lower(name);
+
+ int ret = print_journal(db, name, &params);
+ free(name);
+ free(db);
+ switch (ret) {
+ case KNOT_ENOENT:
+ if (params.from_serial) {
+ INFO2("The journal is empty or the serial not present");
+ } else {
+ INFO2("The journal is empty");
+ }
+ break;
+ case KNOT_ENODB:
+ ERR2("the journal DB does not exist");
+ goto failure;
+ case KNOT_EOUTOFZONE:
+ ERR2("the journal DB does not contain the specified zone");
+ goto failure;
+ case KNOT_EOK:
+ break;
+ default:
+ ERR2("failed to load changesets (%s)", knot_strerror(ret));
+ goto failure;
+ }
+ }
+
+success:
+ util_conf_deinit();
+ return EXIT_SUCCESS;
+failure:
+ util_conf_deinit();
+ return EXIT_FAILURE;
+}
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