linamh/net-dns/bind/files/bind-9.2.5-dlz-mysql.patch
2008-06-08 13:25:18 +00:00

403 lines
11 KiB
Diff

diff -uraN bind-9.2.5-dlz/bin/named/include/mysqldb.h bind-9.2.5-dlz-mysql/bin/named/include/mysqldb.h
--- bind-9.2.5-dlz/bin/named/include/mysqldb.h 1970-01-01 03:00:00.000000000 +0300
+++ bind-9.2.5-dlz-mysql/bin/named/include/mysqldb.h 2005-03-25 21:41:25.000000000 +0300
@@ -0,0 +1,7 @@
+
+#include <isc/types.h>
+
+isc_result_t mysqldb_init(void);
+
+void mysqldb_clear(void);
+
diff -uraN bind-9.2.5-dlz/bin/named/main.c bind-9.2.5-dlz-mysql/bin/named/main.c
--- bind-9.2.5-dlz/bin/named/main.c 2005-03-25 21:41:01.000000000 +0300
+++ bind-9.2.5-dlz-mysql/bin/named/main.c 2005-03-25 21:41:25.000000000 +0300
@@ -68,6 +68,7 @@
* Include header files for database drivers here.
*/
/* #include "xxdb.h" */
+#include "mysqldb.h"
#ifdef DLZ_STUB
#include <named/dlz_stub_driver.h>
@@ -594,6 +595,7 @@
* Add calls to register sdb drivers here.
*/
/* xxdb_init(); */
+ mysqldb_init ();
#ifdef DLZ_STUB
dlz_stub_init();
@@ -637,6 +639,7 @@
* Add calls to unregister sdb drivers here.
*/
/* xxdb_clear(); */
+ mysqldb_clear ();
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN,
ISC_LOG_NOTICE, "exiting");
diff -uraN bind-9.2.5-dlz/bin/named/Makefile.in bind-9.2.5-dlz-mysql/bin/named/Makefile.in
--- bind-9.2.5-dlz/bin/named/Makefile.in 2005-03-25 21:41:01.000000000 +0300
+++ bind-9.2.5-dlz-mysql/bin/named/Makefile.in 2005-03-25 21:41:25.000000000 +0300
@@ -26,10 +26,10 @@
#
# Add database drivers here.
#
-DBDRIVER_OBJS =
-DBDRIVER_SRCS =
-DBDRIVER_INCLUDES =
-DBDRIVER_LIBS =
+DBDRIVER_OBJS = mysqldb.@O@
+DBDRIVER_SRCS = mysqldb.c
+DBDRIVER_INCLUDES = -I/usr/local/include
+DBDRIVER_LIBS = -L/usr/local/lib/mysql -lmysqlclient
DLZINCLUDES = @DLZ_BDB_INC@ @DLZ_POSTGRES_INC@ @DLZ_ODBC_INC@ \
@DLZ_MYSQL_INC@ @DLZ_LDAP_INC@
diff -uraN bind-9.2.5-dlz/bin/named/mysqldb.c bind-9.2.5-dlz-mysql/bin/named/mysqldb.c
--- bind-9.2.5-dlz/bin/named/mysqldb.c 1970-01-01 03:00:00.000000000 +0300
+++ bind-9.2.5-dlz-mysql/bin/named/mysqldb.c 2005-03-25 21:41:25.000000000 +0300
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2002 Mihai Chelaru ( kefren@netbastards.org )
+ *
+ * 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 I DISCLAIM ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL I 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.
+ */
+
+
+#include <config.h>
+#include <stdio.h>
+#include <malloc.h>
+#include <mysql/mysql.h>
+#include <isc/mem.h>
+#include <dns/sdb.h>
+#include <dns/result.h>
+#include <named/globals.h>
+
+#include <mysqldb.h>
+
+#define ROWS 20
+#define MAXCOLUMN 200
+
+/*
+#define ONEDATABASE
+#define MDEBUG
+*/
+struct mysqlrow {
+ char *s[ROWS];
+};
+
+static dns_sdbimplementation_t *mysqldb = NULL;
+
+struct mydbinfo {
+ MYSQL *conn;
+ char *database;
+ char *table;
+ char *host;
+ char *user;
+ char *passwd;
+};
+
+/* My internal functions */
+
+int mysql_dbcon(struct mydbinfo *);
+
+int
+mysql_dbcon(struct mydbinfo * dbi)
+{
+#ifdef MDEBUG
+ printf("Connecting\n");
+#endif
+ dbi->conn=mysql_init(NULL);
+ if (dbi->conn == NULL) return 0;
+ if (!mysql_real_connect(dbi->conn, dbi->host, dbi->user, dbi->passwd, dbi->database, 3306, NULL, 0))
+ return 0;
+#ifdef MDEBUG
+ printf("Connected\n");
+#endif
+ return 1;
+}
+
+/* External functions */
+
+static isc_result_t
+mysqldb_lookup(const char *zone, const char *name, void *dbdata, dns_sdblookup_t * lookup)
+{
+ char *querystring = NULL, seclook[150];
+ struct mydbinfo *dbi = (struct mydbinfo *) dbdata;
+ MYSQL_RES *result;
+ struct mysqlrow myrow;
+ int i, j, totlen;
+ MYSQL_ROW row;
+ int num_fields, putrr_success=0;
+#ifdef MDEBUG
+ printf("Lookup in %.200s for %.200s ", zone, name);
+#endif
+ querystring = (char *) malloc(200);
+ if (!querystring)
+ return ISC_R_NOMEMORY;
+ snprintf(querystring, 200, "SELECT TTL,RDTYPE,RDATA FROM %s where name='%.150s'", dbi->table, name);
+#ifdef MDEBUG
+ printf("Query = %s\n", querystring);
+#endif
+ mysql_ping(dbi->conn);
+ if (mysql_query(dbi->conn, querystring)) {
+ printf("Query Error in lookup\n");
+ free(querystring);
+ return ISC_R_FAILURE;
+ }
+ free(querystring);
+ result = mysql_store_result(dbi->conn);
+
+ num_fields = mysql_num_fields(result);
+ if (num_fields > ROWS) {
+ printf("Incorrect database format\n");
+ mysql_free_result(result);
+ return ISC_R_FAILURE;
+ }
+ /* allocate to fetch */
+ for (i = 0; i < ROWS; i++)
+ if (!(myrow.s[i] = (char *) malloc(MAXCOLUMN))) {
+ for (j = 0; j < i; j++)
+ free(myrow.s[i]);
+ mysql_free_result(result);
+ return ISC_R_NOMEMORY;
+ }
+ /* Ok. we found no reason why to not let fetch */
+ while ((row = mysql_fetch_row(result))) {
+ unsigned long *lengths;
+ lengths = mysql_fetch_lengths(result);
+ totlen = 0;
+ for (i = 0; i < num_fields; i++) {
+ totlen += lengths[i];
+ snprintf(myrow.s[i], MAXCOLUMN, "%.*s", (int) lengths[i], row[i] ? row[i] : "NULL");
+ }
+#ifdef MDEBUG
+ printf("Lookup: %s %s %s\n", myrow.s[0], myrow.s[1], myrow.s[2]);
+#endif
+ if (dns_sdb_putrr(lookup, myrow.s[1], strtol(myrow.s[0], NULL, 10), myrow.s[2]) != ISC_R_SUCCESS) {
+ for (i = 0; i < ROWS; i++)
+ free(myrow.s[i]);
+ mysql_free_result(result);
+ printf("Lookup Failure\n");
+ return ISC_R_FAILURE;
+ } else putrr_success=1;
+ }
+#ifdef MDEBUG
+ printf ("Bailing out lookup\n");
+#endif
+ /* Ok. success. bail out. */
+ for (i = 0; i < ROWS; i++)
+ free(myrow.s[i]);
+ mysql_free_result(result);
+
+ /* Check if there is any *.foo.com available and return it in case that this is not a *.foo.com call */
+ if ((!putrr_success)&&(name[0]!='*')) {
+#ifdef MDEBUG
+printf ("Cannot find it. Trying to check * record\n");
+#endif
+ snprintf (seclook,150,"*.%s",zone);
+ return mysqldb_lookup (zone, seclook, dbdata, lookup);
+ }
+
+ /* else return SUCCESS */
+ return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+mysqldb_allnodes(const char *zone, void *dbdata, dns_sdballnodes_t * allnodes)
+{
+ char *querystring = NULL;
+ struct mydbinfo *dbi = (struct mydbinfo *) dbdata;
+ MYSQL_RES *result;
+ struct mysqlrow myrow;
+ MYSQL_ROW row;
+ int num_fields;
+ int i, totlen, j;
+#ifdef MDEBUG
+ printf("All Nodes\n");
+#endif
+ querystring = (char *) malloc(200);
+ if (!querystring)
+ return ISC_R_NOMEMORY;
+ snprintf(querystring, 200, "SELECT TTL,NAME,RDTYPE,RDATA FROM %s where name like('%%%.150s')", dbi->table, zone);
+ mysql_ping(dbi->conn);
+ if (mysql_query(dbi->conn, querystring)) {
+ printf("Query Error\n");
+ free(querystring);
+ return ISC_R_FAILURE;
+ }
+ free(querystring);
+ result = mysql_store_result(dbi->conn);
+
+ num_fields = mysql_num_fields(result);
+ if (num_fields > ROWS) {
+ printf("Incorrect database format\n");
+ mysql_free_result(result);
+ return ISC_R_FAILURE;
+ }
+ /* allocate to fetch */
+ for (i = 0; i < ROWS; i++)
+ if (!(myrow.s[i] = (char *) malloc(MAXCOLUMN))) {
+ for (j = 0; j < i; j++)
+ free(myrow.s[i]);
+ mysql_free_result(result);
+ return ISC_R_NOMEMORY;
+ }
+ /* Ok. we found no reason why to not let fetch */
+ while ((row = mysql_fetch_row(result))) {
+ unsigned long *lengths;
+ lengths = mysql_fetch_lengths(result);
+ totlen = 0;
+ for (i = 0; i < num_fields; i++) {
+ totlen += lengths[i];
+ snprintf(myrow.s[i], MAXCOLUMN, "%.*s", (int) lengths[i], row[i] ? row[i] : "NULL");
+ }
+#ifdef MDEBUG
+ printf("All Nodes: %s %s %s %s\n", myrow.s[0], myrow.s[1], myrow.s[2], myrow.s[3]);
+#endif
+ if (dns_sdb_putnamedrr(allnodes, myrow.s[1], myrow.s[2], strtol(myrow.s[0], NULL, 10), myrow.s[3]) != ISC_R_SUCCESS) {
+ for (i = 0; i < ROWS; i++)
+ free(myrow.s[i]);
+ mysql_free_result(result);
+ return ISC_R_FAILURE;
+ }
+ }
+
+ /* Ok. success. bail out. */
+ mysql_free_result(result);
+ for (i = 0; i < ROWS; i++)
+ free(myrow.s[i]);
+ return ISC_R_SUCCESS;
+}
+
+
+
+/*
+ * Open database argv[i]=database,table,hostname,user,passwd
+ */
+
+static isc_result_t
+mysqldb_create(const char *zone, int argc, char **argv, void *driverdata, void **dbdata)
+{
+ struct mydbinfo *dbi;
+ #ifdef ONEDATABASE
+ static MYSQL *dbconstat;
+ #endif
+
+ /* Argument count checking */
+ if (argc < 5)
+ return ISC_R_FAILURE;
+
+ /* dbi init */
+
+ dbi = (struct mydbinfo *) isc_mem_get(ns_g_mctx, sizeof(struct mydbinfo));
+ if (!dbi)
+ return ISC_R_NOMEMORY;
+ dbi->database = NULL;
+ dbi->table = NULL;
+ dbi->host = NULL;
+ dbi->user = NULL;
+ dbi->passwd = NULL;
+
+ dbi->database = isc_mem_strdup(ns_g_mctx, argv[0]);
+ dbi->table = isc_mem_strdup(ns_g_mctx, argv[1]);
+ dbi->host = isc_mem_strdup(ns_g_mctx, argv[2]);
+ dbi->user = isc_mem_strdup(ns_g_mctx, argv[3]);
+ dbi->passwd = isc_mem_strdup(ns_g_mctx, argv[4]);
+
+ if ((!dbi->database) || (!dbi->table) || (!dbi->host) || (!dbi->user) || (!dbi->passwd)) {
+ printf("Cannot strdup\n");
+ if (dbi->conn)
+ mysql_close(dbi->conn);
+ if (dbi->database)
+ isc_mem_free(ns_g_mctx, dbi->database);
+ if (dbi->table)
+ isc_mem_free(ns_g_mctx, dbi->table);
+ if (dbi->host)
+ isc_mem_free(ns_g_mctx, dbi->host);
+ if (dbi->user)
+ isc_mem_free(ns_g_mctx, dbi->user);
+ if (dbi->passwd)
+ isc_mem_free(ns_g_mctx, dbi->passwd);
+ isc_mem_put(ns_g_mctx, dbi, sizeof(struct mydbinfo));
+ return ISC_R_NOMEMORY;
+ }
+ /* connect to database */
+ #ifdef ONEDATABASE
+ if (!((dbconstat) && (!mysql_ping(dbconstat))))
+ #endif
+ if (!mysql_dbcon(dbi)) {
+ printf("Cannot connect to database\n");
+ return ISC_R_FAILURE;
+ }
+ #ifdef ONEDATABASE
+ if (dbconstat) dbi->conn = dbconstat; else dbconstat = dbi->conn;
+ #endif
+ *dbdata = dbi;
+ return ISC_R_SUCCESS;
+}
+
+static void
+mysqldb_destroy(const char *zone, void *driverdata, void **dbdata)
+{
+ struct mydbinfo *dbi;
+
+ dbi = (struct mydbinfo *) (*dbdata);
+ if (!dbi)
+ return;
+ if (dbi->conn)
+ mysql_close(dbi->conn);
+ if (dbi->database)
+ isc_mem_free(ns_g_mctx, dbi->database);
+ if (dbi->table)
+ isc_mem_free(ns_g_mctx, dbi->table);
+ if (dbi->host)
+ isc_mem_free(ns_g_mctx, dbi->host);
+ if (dbi->user)
+ isc_mem_free(ns_g_mctx, dbi->user);
+ if (dbi->passwd)
+ isc_mem_free(ns_g_mctx, dbi->passwd);
+ isc_mem_put(ns_g_mctx, dbi, sizeof(struct mydbinfo));
+#ifdef MDEBUG
+ printf("Destroyed\n");
+#endif
+}
+
+
+/* SDB methods */
+
+static dns_sdbmethods_t mysqldb_methods = {
+ mysqldb_lookup,
+ NULL, /* authority */
+ mysqldb_allnodes,
+ mysqldb_create,
+ mysqldb_destroy
+};
+
+
+
+isc_result_t
+mysqldb_init()
+{
+ unsigned int flags = 0;
+ return dns_sdb_register("mysql", &mysqldb_methods, NULL, flags, ns_g_mctx, &mysqldb);
+}
+
+void
+mysqldb_clear()
+{
+ if (mysqldb)
+ dns_sdb_unregister(&mysqldb);
+}