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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:37:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:37:14 +0000
commitea648e70a989cca190cd7403fe892fd2dcc290b4 (patch)
treee2b6b1c647da68b0d4d66082835e256eb30970e8 /contrib/sdb/bdb/bdb.c
parentInitial commit. (diff)
downloadbind9-ea648e70a989cca190cd7403fe892fd2dcc290b4.tar.xz
bind9-ea648e70a989cca190cd7403fe892fd2dcc290b4.zip
Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/sdb/bdb/bdb.c')
-rw-r--r--contrib/sdb/bdb/bdb.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/contrib/sdb/bdb/bdb.c b/contrib/sdb/bdb/bdb.c
new file mode 100644
index 0000000..6dbc187
--- /dev/null
+++ b/contrib/sdb/bdb/bdb.c
@@ -0,0 +1,245 @@
+/*
+ * Copyright (C) 2002 Nuno M. Rodrigues.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND NUNO M. RODRIGUES
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+/*
+ * BIND 9.1.x simple database driver
+ * implementation, using Berkeley DB.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <isc/file.h>
+#include <isc/log.h>
+#include <isc/lib.h>
+#include <isc/mem.h>
+#include <isc/msgs.h>
+#include <isc/msgcat.h>
+#include <isc/region.h>
+#include <isc/result.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+#include <dns/sdb.h>
+#include <dns/log.h>
+#include <dns/lib.h>
+#include <dns/ttl.h>
+
+#include <named/bdb.h>
+#include <named/globals.h>
+#include <named/config.h>
+
+#include <db.h>
+
+#define DRIVERNAME "bdb"
+
+static dns_sdbimplementation_t *bdb_imp;
+
+static isc_result_t
+bdb_create(const char *zone, int argc, char **argv,
+ void *unused, void **dbdata)
+{
+ int ret;
+
+ UNUSED(zone);
+ UNUSED(unused);
+
+ if (argc < 1)
+ return ISC_R_FAILURE; /* database path must be given */
+
+ if (db_create((DB **)dbdata, NULL, 0) != 0) {
+ /*
+ * XXX Should use dns_msgcat et al
+ * but seems to be unavailable.
+ */
+ isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_CRITICAL, isc_msgcat,
+ ISC_MSGSET_GENERAL, ISC_MSG_FATALERROR,
+ "db_create");
+ return ISC_R_FAILURE;
+ }
+
+ if (isc_file_exists(*argv) != true) {
+ isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_CRITICAL, isc_msgcat,
+ ISC_MSGSET_GENERAL, ISC_MSG_FATALERROR,
+ "isc_file_exists: %s", *argv);
+ return ISC_R_FAILURE;
+ }
+
+ if ((ret = (*(DB **)dbdata)->open(*(DB **)dbdata, *argv, NULL, DB_HASH,
+ DB_RDONLY, 0)) != 0) {
+ isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_CRITICAL,
+ isc_msgcat, ISC_MSGSET_GENERAL,
+ ISC_MSG_FATALERROR, "DB->open: %s",
+ db_strerror(ret));
+ return ISC_R_FAILURE;
+ }
+ return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+#ifdef DNS_CLIENTINFO_VERSION
+bdb_lookup(const char *zone, const char *name, void *dbdata,
+ dns_sdblookup_t *l, dns_clientinfomethods_t *methods,
+ dns_clientinfo_t *clientinfo)
+#else
+bdb_lookup(const char *zone, const char *name, void *dbdata,
+ dns_sdblookup_t *l)
+#endif /* DNS_CLIENTINFO_VERSION */
+{
+ int ret;
+ char *type, *rdata;
+ dns_ttl_t ttl;
+ isc_consttextregion_t ttltext;
+ DBC *c;
+ DBT key, data;
+
+ UNUSED(zone);
+#ifdef DNS_CLIENTINFO_VERSION
+ UNUSED(methods);
+ UNUSED(clientinfo);
+#endif /* DNS_CLIENTINFO_VERSION */
+
+ if ((ret = ((DB *)dbdata)->cursor((DB *)dbdata, NULL, &c, 0)) != 0) {
+ isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
+ isc_msgcat, ISC_MSGSET_GENERAL,
+ ISC_MSG_FAILED, "DB->cursor: %s",
+ db_strerror(ret));
+ return ISC_R_FAILURE;
+ }
+
+ memset(&key, 0, sizeof(DBT));
+ memset(&data, 0, sizeof(DBT));
+
+ (const char *)key.data = name;
+ key.size = strlen(name);
+
+ ret = c->c_get(c, &key, &data, DB_SET);
+ while (ret == 0) {
+ ((char *)key.data)[key.size] = 0;
+ ((char *)data.data)[data.size] = 0;
+ ttltext.base = strtok((char *)data.data, " ");
+ ttltext.length = strlen(ttltext.base);
+ dns_ttl_fromtext((isc_textregion_t *)&ttltext, &ttl);
+ type = strtok(NULL, " ");
+ rdata = type + strlen(type) + 1;
+
+ if (dns_sdb_putrr(l, type, ttl, rdata) != ISC_R_SUCCESS) {
+ isc_log_iwrite(dns_lctx,
+ DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
+ isc_msgcat, ISC_MSGSET_GENERAL,
+ ISC_MSG_FAILED, "dns_sdb_putrr");
+ return ISC_R_FAILURE;
+ }
+ ret = c->c_get(c, &key, &data, DB_NEXT_DUP);
+ }
+
+ c->c_close(c);
+ return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+bdb_allnodes(const char *zone, void *dbdata, dns_sdballnodes_t *n)
+{
+ int ret;
+ char *type, *rdata;
+ dns_ttl_t ttl;
+ isc_consttextregion_t ttltext;
+ DBC *c;
+ DBT key, data;
+
+ UNUSED(zone);
+
+ if ((ret = ((DB *)dbdata)->cursor((DB *)dbdata, NULL, &c, 0)) != 0) {
+ isc_log_iwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
+ isc_msgcat, ISC_MSGSET_GENERAL,
+ ISC_MSG_FAILED, "DB->cursor: %s",
+ db_strerror(ret));
+ return ISC_R_FAILURE;
+ }
+
+ memset(&key, 0, sizeof(DBT));
+ memset(&data, 0, sizeof(DBT));
+
+ while (c->c_get(c, &key, &data, DB_NEXT) == 0) {
+ ((char *)key.data)[key.size] = 0;
+ ((char *)data.data)[data.size] = 0;
+ ttltext.base = strtok((char *)data.data, " ");
+ ttltext.length = strlen(ttltext.base);
+ dns_ttl_fromtext((isc_textregion_t *)&ttltext, &ttl);
+ type = strtok(NULL, " ");
+ rdata = type + strlen(type) + 1;
+
+ if (dns_sdb_putnamedrr(n, key.data, type, ttl, rdata) !=
+ ISC_R_SUCCESS) {
+ isc_log_iwrite(dns_lctx,
+ DNS_LOGCATEGORY_DATABASE,
+ DNS_LOGMODULE_SDB, ISC_LOG_ERROR,
+ isc_msgcat, ISC_MSGSET_GENERAL,
+ ISC_MSG_FAILED, "dns_sdb_putnamedrr");
+ return ISC_R_FAILURE;
+ }
+
+ }
+
+ c->c_close(c);
+ return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+bdb_destroy(const char *zone, void *unused, void **dbdata)
+{
+
+ UNUSED(zone);
+ UNUSED(unused);
+
+ (*(DB **)dbdata)->close(*(DB **)dbdata, 0);
+
+ return ISC_R_SUCCESS;
+}
+
+isc_result_t
+bdb_init(void)
+{
+ static dns_sdbmethods_t bdb_methods = {
+ bdb_lookup,
+ NULL,
+ bdb_allnodes,
+ bdb_create,
+ bdb_destroy,
+ NULL /* lookup2 */
+ };
+
+ return dns_sdb_register(DRIVERNAME, &bdb_methods, NULL, 0, ns_g_mctx,
+ &bdb_imp);
+}
+
+void
+bdb_clear(void)
+{
+
+ if (bdb_imp != NULL)
+ dns_sdb_unregister(&bdb_imp);
+}