aboutsummaryrefslogtreecommitdiffstats
path: root/1.2-netsec/res/res_odbc.c
diff options
context:
space:
mode:
Diffstat (limited to '1.2-netsec/res/res_odbc.c')
-rw-r--r--1.2-netsec/res/res_odbc.c618
1 files changed, 0 insertions, 618 deletions
diff --git a/1.2-netsec/res/res_odbc.c b/1.2-netsec/res/res_odbc.c
deleted file mode 100644
index cc4b61f2d..000000000
--- a/1.2-netsec/res/res_odbc.c
+++ /dev/null
@@ -1,618 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * res_odbc.c <ODBC resource manager>
- * Copyright (C) 2004 - 2005 Anthony Minessale II <anthmct@yahoo.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-
-/*! \file
- *
- * \brief ODBC resource manager
- *
- * \arg See also: \ref cdr_odbc
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/options.h"
-#include "asterisk/pbx.h"
-#include "asterisk/module.h"
-#include "asterisk/cli.h"
-#include "asterisk/lock.h"
-#include "asterisk/res_odbc.h"
-#define MAX_ODBC_HANDLES 25
-
-struct odbc_list
-{
- char name[80];
- odbc_obj *obj;
- int used;
-};
-
-static struct odbc_list ODBC_REGISTRY[MAX_ODBC_HANDLES];
-
-
-static void odbc_destroy(void)
-{
- int x = 0;
-
- for (x = 0; x < MAX_ODBC_HANDLES; x++) {
- if (ODBC_REGISTRY[x].obj) {
- destroy_odbc_obj(&ODBC_REGISTRY[x].obj);
- ODBC_REGISTRY[x].obj = NULL;
- }
- }
-}
-
-static odbc_obj *odbc_read(struct odbc_list *registry, const char *name)
-{
- int x = 0;
- for (x = 0; x < MAX_ODBC_HANDLES; x++) {
- if (registry[x].used && !strcmp(registry[x].name, name)) {
- return registry[x].obj;
- }
- }
- return NULL;
-}
-
-static int odbc_write(struct odbc_list *registry, char *name, odbc_obj *obj)
-{
- int x = 0;
- for (x = 0; x < MAX_ODBC_HANDLES; x++) {
- if (!registry[x].used) {
- ast_copy_string(registry[x].name, name, sizeof(registry[x].name));
- registry[x].obj = obj;
- registry[x].used = 1;
- return 1;
- }
- }
- return 0;
-}
-
-static void odbc_init(void)
-{
- int x = 0;
- for (x = 0; x < MAX_ODBC_HANDLES; x++) {
- memset(&ODBC_REGISTRY[x], 0, sizeof(struct odbc_list));
- }
-}
-
-static char *tdesc = "ODBC Resource";
-/* internal stuff */
-
-SQLHSTMT odbc_prepare_and_execute(odbc_obj *obj, SQLHSTMT (*prepare_cb)(odbc_obj *obj, void *data), void *data)
-{
- int res = 0, i, attempt;
- SQLINTEGER nativeerror=0, numfields=0;
- SQLSMALLINT diagbytes=0;
- unsigned char state[10], diagnostic[256];
- SQLHSTMT stmt;
-
- for (attempt = 0; attempt < 2; attempt++) {
- /* This prepare callback may do more than just prepare -- it may also
- * bind parameters, bind results, etc. The real key, here, is that
- * when we disconnect, all handles become invalid for most databases.
- * We must therefore redo everything when we establish a new
- * connection. */
- stmt = prepare_cb(obj, data);
-
- if (stmt) {
- res = SQLExecute(stmt);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) {
- if (res == SQL_ERROR) {
- SQLGetDiagField(SQL_HANDLE_STMT, stmt, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes);
- for (i=0; i< numfields + 1; i++) {
- SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i + 1, state, &nativeerror, diagnostic, sizeof(diagnostic), &diagbytes);
- ast_log(LOG_WARNING, "SQL Execute returned an error %d: %s: %s (%d)\n", res, state, diagnostic, diagbytes);
- if (i > 10) {
- ast_log(LOG_WARNING, "Oh, that was good. There are really %d diagnostics?\n", (int)numfields);
- break;
- }
- }
- }
-
- ast_log(LOG_WARNING, "SQL Execute error %d! Attempting a reconnect...\n", res);
- SQLFreeHandle(SQL_HANDLE_STMT, stmt);
-
- ast_mutex_lock(&obj->lock);
- obj->up = 0;
- ast_mutex_unlock(&obj->lock);
- odbc_obj_disconnect(obj);
- odbc_obj_connect(obj);
- continue;
- }
- break;
- }
- }
-
- return stmt;
-}
-
-int odbc_smart_execute(odbc_obj *obj, SQLHSTMT stmt)
-{
- int res = 0, i;
- SQLINTEGER nativeerror=0, numfields=0;
- SQLSMALLINT diagbytes=0;
- unsigned char state[10], diagnostic[256];
-
- res = SQLExecute(stmt);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) {
- if (res == SQL_ERROR) {
- SQLGetDiagField(SQL_HANDLE_STMT, stmt, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes);
- for (i=0; i< numfields + 1; i++) {
- SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i + 1, state, &nativeerror, diagnostic, sizeof(diagnostic), &diagbytes);
- ast_log(LOG_WARNING, "SQL Execute returned an error %d: %s: %s (%d)\n", res, state, diagnostic, diagbytes);
- if (i > 10) {
- ast_log(LOG_WARNING, "Oh, that was good. There are really %d diagnostics?\n", (int)numfields);
- break;
- }
- }
- }
-/*
- ast_log(LOG_WARNING, "SQL Execute error %d! Attempting a reconnect...\n", res);
- ast_mutex_lock(&obj->lock);
- obj->up = 0;
- ast_mutex_unlock(&obj->lock);
- odbc_obj_disconnect(obj);
- odbc_obj_connect(obj);
- res = SQLExecute(stmt);
-*/
- }
-
- return res;
-}
-
-
-int odbc_smart_direct_execute(odbc_obj *obj, SQLHSTMT stmt, char *sql)
-{
- int res = 0;
-
- res = SQLExecDirect (stmt, (unsigned char *)sql, SQL_NTS);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- ast_log(LOG_WARNING, "SQL Execute error! Attempting a reconnect...\n");
- ast_mutex_lock(&obj->lock);
- obj->up = 0;
- ast_mutex_unlock(&obj->lock);
- odbc_obj_disconnect(obj);
- odbc_obj_connect(obj);
- res = SQLExecDirect (stmt, (unsigned char *)sql, SQL_NTS);
- }
-
- return res;
-}
-
-int odbc_sanity_check(odbc_obj *obj)
-{
- char *test_sql = "select 1";
- SQLHSTMT stmt;
- int res = 0;
-
- ast_mutex_lock(&obj->lock);
- if(obj->up) { /* so you say... let's make sure */
- res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- obj->up = 0; /* Liar!*/
- } else {
- res = SQLPrepare(stmt, (unsigned char *)test_sql, SQL_NTS);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- obj->up = 0; /* Liar!*/
- } else {
- res = SQLExecute(stmt);
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- obj->up = 0; /* Liar!*/
- }
- }
- }
- SQLFreeHandle (SQL_HANDLE_STMT, stmt);
- }
- ast_mutex_unlock(&obj->lock);
-
- if(!obj->up) { /* Try to reconnect! */
- ast_log(LOG_WARNING, "Connection is down attempting to reconnect...\n");
- odbc_obj_disconnect(obj);
- odbc_obj_connect(obj);
- }
- return obj->up;
-}
-
-static int load_odbc_config(void)
-{
- static char *cfg = "res_odbc.conf";
- struct ast_config *config;
- struct ast_variable *v;
- char *cat, *dsn, *username, *password;
- int enabled;
- int connect = 0;
- char *env_var;
-
- odbc_obj *obj;
-
- config = ast_config_load(cfg);
- if (config) {
- for (cat = ast_category_browse(config, NULL); cat; cat=ast_category_browse(config, cat)) {
- if (!strcmp(cat, "ENV")) {
- for (v = ast_variable_browse(config, cat); v; v = v->next) {
- env_var = malloc(strlen(v->name) + strlen(v->value) + 2);
- if (env_var) {
- sprintf(env_var, "%s=%s", v->name, v->value);
- ast_log(LOG_NOTICE, "Adding ENV var: %s=%s\n", v->name, v->value);
- putenv(env_var);
- free(env_var);
- }
- }
-
- cat = ast_category_browse(config, cat);
- }
-
- dsn = username = password = NULL;
- enabled = 1;
- connect = 0;
- for (v = ast_variable_browse(config, cat); v; v = v->next) {
- if (!strcmp(v->name, "enabled"))
- enabled = ast_true(v->value);
- if (!strcmp(v->name, "pre-connect"))
- connect = ast_true(v->value);
- if (!strcmp(v->name, "dsn"))
- dsn = v->value;
- if (!strcmp(v->name, "username"))
- username = v->value;
- if (!strcmp(v->name, "password"))
- password = v->value;
- }
-
- if (enabled && dsn) {
- obj = new_odbc_obj(cat, dsn, username, password);
- if (obj) {
- register_odbc_obj(cat, obj);
- ast_log(LOG_NOTICE, "registered database handle '%s' dsn->[%s]\n", cat, obj->dsn);
- if (connect) {
- odbc_obj_connect(obj);
- }
- } else {
- ast_log(LOG_WARNING, "Addition of obj %s failed.\n", cat);
- }
-
- }
- }
- ast_config_destroy(config);
- }
- return 0;
-}
-
-int odbc_dump_fd(int fd, odbc_obj *obj)
-{
- /* make sure the connection is up before we lie to our master.*/
- odbc_sanity_check(obj);
- ast_cli(fd, "Name: %s\nDSN: %s\nConnected: %s\n\n", obj->name, obj->dsn, obj->up ? "yes" : "no");
- return 0;
-}
-
-static int odbc_connect_usage(int fd)
-{
- ast_cli(fd, "usage odbc connect <DSN>\n");
- return 0;
-}
-
-static int odbc_disconnect_usage(int fd)
-{
- ast_cli(fd, "usage odbc disconnect <DSN>\n");
- return 0;
-}
-
-static int odbc_show_command(int fd, int argc, char **argv)
-{
- odbc_obj *obj;
- int x = 0;
-
- if (!strcmp(argv[1], "show")) {
- if (!argv[2] || (argv[2] && !strcmp(argv[2], "all"))) {
- for (x = 0; x < MAX_ODBC_HANDLES; x++) {
- if (!ODBC_REGISTRY[x].used)
- break;
- if (ODBC_REGISTRY[x].obj)
- odbc_dump_fd(fd, ODBC_REGISTRY[x].obj);
- }
- } else {
- obj = odbc_read(ODBC_REGISTRY, argv[2]);
- if (obj)
- odbc_dump_fd(fd, obj);
- }
- }
- return 0;
-}
-
-static int odbc_disconnect_command(int fd, int argc, char **argv)
-{
- odbc_obj *obj;
- if (!strcmp(argv[1], "disconnect")) {
- if (!argv[2])
- return odbc_disconnect_usage(fd);
-
- obj = odbc_read(ODBC_REGISTRY, argv[2]);
- if (obj) {
- odbc_obj_disconnect(obj);
- }
- }
- return 0;
-}
-
-static int odbc_connect_command(int fd, int argc, char **argv)
-{
- odbc_obj *obj;
- if (!argv[1])
- return odbc_connect_usage(fd);
-
- if (!strcmp(argv[1], "connect") || !strcmp(argv[1], "disconnect")) {
- if (!argv[2])
- return odbc_connect_usage(fd);
-
- obj = odbc_read(ODBC_REGISTRY, argv[2]);
- if (obj) {
- odbc_obj_connect(obj);
- }
- }
- return 0;
-}
-
-
-static char connect_usage[] =
-"Usage: odbc connect <DSN>\n"
-" Connect to ODBC DSN\n";
-
-static char disconnect_usage[] =
-"Usage: odbc connect <DSN>\n"
-" Disconnect from ODBC DSN\n";
-
-static char show_usage[] =
-"Usage: odbc show {DSN}\n"
-" Show ODBC {DSN}\n"
-" Specifying DSN will show that DSN else, all DSNs are shown\n";
-
-static struct ast_cli_entry odbc_connect_struct =
- { { "odbc", "connect", NULL }, odbc_connect_command, "Connect to ODBC DSN", connect_usage };
-
-
-static struct ast_cli_entry odbc_disconnect_struct =
- { { "odbc", "disconnect", NULL }, odbc_disconnect_command, "Disconnect from ODBC DSN", disconnect_usage };
-
-static struct ast_cli_entry odbc_show_struct =
- { { "odbc", "show", NULL }, odbc_show_command, "Show ODBC DSN(s)", show_usage };
-
-/* api calls */
-
-int register_odbc_obj(char *name, odbc_obj *obj)
-{
- if (obj != NULL)
- return odbc_write(ODBC_REGISTRY, name, obj);
- return 0;
-}
-
-odbc_obj *fetch_odbc_obj(const char *name, int check)
-{
- odbc_obj *obj = NULL;
- if((obj = (odbc_obj *) odbc_read(ODBC_REGISTRY, name))) {
- if(check)
- odbc_sanity_check(obj);
- }
- return obj;
-}
-
-odbc_obj *new_odbc_obj(char *name, char *dsn, char *username, char *password)
-{
- static odbc_obj *new;
-
- if (!(new = calloc(1, sizeof(*new))) ||
- !(new->name = malloc(strlen(name) + 1)) ||
- !(new->dsn = malloc(strlen(dsn) + 1)))
- goto cleanup;
-
- if (username) {
- if (!(new->username = malloc(strlen(username) + 1)))
- goto cleanup;
- strcpy(new->username, username);
- }
-
- if (password) {
- if (!(new->password = malloc(strlen(password) + 1)))
- goto cleanup;
- strcpy(new->password, password);
- }
-
- strcpy(new->name, name);
- strcpy(new->dsn, dsn);
- new->env = SQL_NULL_HANDLE;
- new->up = 0;
- ast_mutex_init(&new->lock);
- return new;
-
-cleanup:
- if (new) {
- free(new->name);
- free(new->dsn);
- free(new->username);
- free(new->password);
-
- free(new);
- }
-
- return NULL;
-}
-
-void destroy_odbc_obj(odbc_obj **obj)
-{
- odbc_obj_disconnect(*obj);
-
- ast_mutex_lock(&(*obj)->lock);
- SQLFreeHandle(SQL_HANDLE_STMT, (*obj)->stmt);
- SQLFreeHandle(SQL_HANDLE_DBC, (*obj)->con);
- SQLFreeHandle(SQL_HANDLE_ENV, (*obj)->env);
-
- free((*obj)->name);
- free((*obj)->dsn);
- if ((*obj)->username)
- free((*obj)->username);
- if ((*obj)->password)
- free((*obj)->password);
- ast_mutex_unlock(&(*obj)->lock);
- ast_mutex_destroy(&(*obj)->lock);
- free(*obj);
-}
-
-odbc_status odbc_obj_disconnect(odbc_obj *obj)
-{
- int res;
- ast_mutex_lock(&obj->lock);
-
- res = SQLDisconnect(obj->con);
-
-
- if (res == ODBC_SUCCESS) {
- ast_log(LOG_WARNING, "res_odbc: disconnected %d from %s [%s]\n", res, obj->name, obj->dsn);
- } else {
- ast_log(LOG_WARNING, "res_odbc: %s [%s] already disconnected\n",
- obj->name, obj->dsn);
- }
- obj->up = 0;
- ast_mutex_unlock(&obj->lock);
- return ODBC_SUCCESS;
-}
-
-odbc_status odbc_obj_connect(odbc_obj *obj)
-{
- int res;
- SQLINTEGER err;
- short int mlen;
- unsigned char msg[200], stat[10];
-
- ast_mutex_lock(&obj->lock);
-
- if (obj->env == SQL_NULL_HANDLE) {
- res = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &obj->env);
-
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- if (option_verbose > 3)
- ast_log(LOG_WARNING, "res_odbc: Error AllocHandle\n");
- ast_mutex_unlock(&obj->lock);
- return ODBC_FAIL;
- }
-
- res = SQLSetEnvAttr(obj->env, SQL_ATTR_ODBC_VERSION, (void *) SQL_OV_ODBC3, 0);
-
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- if (option_verbose > 3)
- ast_log(LOG_WARNING, "res_odbc: Error SetEnv\n");
- SQLFreeHandle(SQL_HANDLE_ENV, obj->env);
- ast_mutex_unlock(&obj->lock);
- return ODBC_FAIL;
- }
-
- res = SQLAllocHandle(SQL_HANDLE_DBC, obj->env, &obj->con);
-
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
-
- if (option_verbose > 3)
- ast_log(LOG_WARNING, "res_odbc: Error AllocHDB %d\n", res);
- SQLFreeHandle(SQL_HANDLE_ENV, obj->env);
-
- ast_mutex_unlock(&obj->lock);
- return ODBC_FAIL;
- }
- SQLSetConnectAttr(obj->con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *) 10, 0);
- }
- if(obj->up) {
- odbc_obj_disconnect(obj);
- ast_log(LOG_NOTICE,"Re-connecting %s\n", obj->name);
- }
-
- ast_log(LOG_NOTICE, "Connecting %s\n", obj->name);
-
- res = SQLConnect(obj->con,
- (SQLCHAR *) obj->dsn, SQL_NTS,
- (SQLCHAR *) obj->username, SQL_NTS,
- (SQLCHAR *) obj->password, SQL_NTS);
-
- if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
- SQLGetDiagRec(SQL_HANDLE_DBC, obj->con, 1, stat, &err, msg, 100, &mlen);
- SQLFreeHandle(SQL_HANDLE_ENV, obj->env);
- ast_mutex_unlock(&obj->lock);
- ast_log(LOG_WARNING, "res_odbc: Error SQLConnect=%d errno=%d %s\n", res, (int)err, msg);
- return ODBC_FAIL;
- } else {
-
- ast_log(LOG_NOTICE, "res_odbc: Connected to %s [%s]\n", obj->name, obj->dsn);
- obj->up = 1;
- }
-
- ast_mutex_unlock(&obj->lock);
- return ODBC_SUCCESS;
-}
-
-STANDARD_LOCAL_USER;
-
-LOCAL_USER_DECL;
-
-int unload_module(void)
-{
- STANDARD_HANGUP_LOCALUSERS;
- odbc_destroy();
- ast_cli_unregister(&odbc_disconnect_struct);
- ast_cli_unregister(&odbc_connect_struct);
- ast_cli_unregister(&odbc_show_struct);
- ast_log(LOG_NOTICE, "res_odbc unloaded.\n");
- return 0;
-}
-
-int load_module(void)
-{
- odbc_init();
- load_odbc_config();
- ast_cli_register(&odbc_disconnect_struct);
- ast_cli_register(&odbc_connect_struct);
- ast_cli_register(&odbc_show_struct);
- ast_log(LOG_NOTICE, "res_odbc loaded.\n");
- return 0;
-}
-
-char *description(void)
-{
- return tdesc;
-}
-
-int usecount(void)
-{
- int res;
- STANDARD_USECOUNT(res);
- return res;
-}
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}