diff options
Diffstat (limited to '1.2-netsec/res/res_odbc.c')
-rw-r--r-- | 1.2-netsec/res/res_odbc.c | 618 |
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; -} |