cel_tds.c File Reference

FreeTDS CEL logger. More...

#include "asterisk.h"
#include <time.h>
#include <math.h>
#include "asterisk/config.h"
#include "asterisk/channel.h"
#include "asterisk/cel.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include <sqlfront.h>
#include <sybdb.h>

Include dependency graph for cel_tds.c:

Go to the source code of this file.

Data Structures
struct	cel_tds_config

Macros
#define	DATE_FORMAT   "%Y/%m/%d %T"
#define	TDS_BACKEND_NAME   "CEL TDS logging backend"

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static char *	anti_injection (const char *, int)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	execute_and_consume (DBPROCESS *dbproc, const char *fmt,...)
static void	get_date (char *, size_t len, struct timeval)
static int	load_module (void)
static int	mssql_connect (void)
static int	mssql_disconnect (void)
static int	reload (void)
static int	tds_error_handler (DBPROCESS *dbproc, int severity, int dberr, int oserr, char *dberrstr, char *oserrstr)
static int	tds_load_module (int reload)
static void	tds_log (struct ast_event *event)
static int	tds_message_handler (DBPROCESS *dbproc, DBINT msgno, int msgstate, int severity, char *msgtext, char *srvname, char *procname, int line)
static int	tds_unload_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "FreeTDS CEL Backend" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .support_level = AST_MODULE_SUPPORT_EXTENDED, .load = load_module, .unload = unload_module, .reload = reload, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cel", }
static const struct ast_module_info *	ast_module_info = &__mod_info
static char *	config = "cel_tds.conf"
static struct cel_tds_config *	settings
static ast_mutex_t	tds_lock = { PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP , NULL, {1, 0} }

Detailed Description

FreeTDS CEL logger.

See also

• Config_cel
• http://www.freetds.org/

Definition in file cel_tds.c.

Macro Definition Documentation

DATE_FORMAT

#define DATE_FORMAT   "%Y/%m/%d %T"

 *
 * Table Structure for `cel`
 *

CREATE TABLE [dbo].[cel] (
   [accountcode] [varchar] (20) NULL ,
   [cidname] [varchar] (80) NULL ,
   [cidnum] [varchar] (80) NULL ,
   [cidani] [varchar] (80) NULL ,
   [cidrdnis] [varchar] (80) NULL ,
   [ciddnid] [varchar] (80) NULL ,
   [exten] [varchar] (80) NULL ,
   [context] [varchar] (80) NULL ,
   [channame] [varchar] (80) NULL ,
   [appname] [varchar] (80) NULL ,
   [appdata] [varchar] (80) NULL ,
   [eventtime] [datetime] NULL ,
   [eventtype] [varchar] (32) NULL ,
   [uniqueid] [varchar] (32) NULL ,
   [linkedid] [varchar] (32) NULL ,
   [amaflags] [varchar] (16) NULL ,
   [userfield] [varchar] (32) NULL ,
   [peer] [varchar] (32) NULL
) ON [PRIMARY]

Definition at line 80 of file cel_tds.c.

Referenced by get_date().

TDS_BACKEND_NAME

#define TDS_BACKEND_NAME   "CEL TDS logging backend"

Definition at line 82 of file cel_tds.c.

Referenced by load_module(), and tds_unload_module().

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 584 of file cel_tds.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 584 of file cel_tds.c.

anti_injection()

static char * anti_injection ( const char *  str, int  len  )

static

Definition at line 260 of file cel_tds.c.

References ast_calloc, ast_log, buf, len(), LOG_ERROR, NULL, str, and strcasestr().

Referenced by tds_log().

{
 /* Reference to http://www.nextgenss.com/papers/advanced_sql_injection.pdf */
 char *buf;
 char *buf_ptr, *srh_ptr;
 char *known_bad[] = {"select", "insert", "update", "delete", "drop", ";", "--", "\0"};
 int idx;

 if (!(buf = ast_calloc(1, len + 1))) {
 ast_log(LOG_ERROR, "Out of memory\n");
 return NULL;
 }

 buf_ptr = buf;

 /* Escape single quotes */
 for (; *str && strlen(buf) < len; str++) {
 if (*str == '\'') {
 *buf_ptr++ = '\'';
 }
 *buf_ptr++ = *str;
 }
 *buf_ptr = '\0';

 /* Erase known bad input */
 for (idx = 0; *known_bad[idx]; idx++) {
 while ((srh_ptr = strcasestr(buf, known_bad[idx]))) {
 memmove(srh_ptr, srh_ptr + strlen(known_bad[idx]), strlen(srh_ptr + strlen(known_bad[idx])) + 1);
 }
 }
 return buf;
}

AST_MODULE_SELF_SYM()

struct ast_module* AST_MODULE_SELF_SYM

(

void

)

Definition at line 584 of file cel_tds.c.

execute_and_consume()

static int execute_and_consume ( DBPROCESS *  dbproc, const char *  fmt,   ...  )

static

Definition at line 305 of file cel_tds.c.

References ast_free, and ast_vasprintf.

Referenced by mssql_connect().

{
 va_list ap;
 char *buffer;

 va_start(ap, fmt);
 if (ast_vasprintf(&buffer, fmt, ap) < 0) {
 va_end(ap);
 return 1;
 }
 va_end(ap);

 if (dbfcmd(dbproc, buffer) == FAIL) {
 ast_free(buffer);
 return 1;
 }

 ast_free(buffer);

 if (dbsqlexec(dbproc) == FAIL) {
 return 1;
 }

 /* Consume the result set (we don't really care about the result, though) */
 while (dbresults(dbproc) != NO_MORE_RESULTS) {
 while (dbnextrow(dbproc) != NO_MORE_ROWS);
 }

 return 0;
}

get_date()

static void get_date ( char *  dateField, size_t  len, struct timeval  when  )

static

Definition at line 293 of file cel_tds.c.

References ast_copy_string(), ast_localtime(), ast_strftime(), ast_tvzero(), DATE_FORMAT, and NULL.

Referenced by tds_log().

{
 /* To make sure we have date variable if not insert null to SQL */
 if (!ast_tvzero(when)) {
 struct ast_tm tm;
 ast_localtime(&when, &tm, NULL);
 ast_strftime(dateField, len, "'" DATE_FORMAT "'", &tm);
 } else {
 ast_copy_string(dateField, "null", len);
 }
}

load_module()

static int load_module ( void  )

static

Definition at line 533 of file cel_tds.c.

References ast_calloc_with_stringfields, ast_cel_backend_register(), ast_free, ast_log, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_string_field_free_memory, LOG_ERROR, LOG_WARNING, NULL, TDS_BACKEND_NAME, tds_error_handler(), tds_load_module(), tds_log(), and tds_message_handler().

Referenced by unload_module().

{
 if (dbinit() == FAIL) {
 ast_log(LOG_ERROR, "Failed to initialize FreeTDS db-lib\n");
 return AST_MODULE_LOAD_DECLINE;
 }

 dberrhandle(tds_error_handler);
 dbmsghandle(tds_message_handler);

 settings = ast_calloc_with_stringfields(1, struct cel_tds_config, 256);

 if (!settings) {
 dbexit();
 return AST_MODULE_LOAD_DECLINE;
 }

 if (!tds_load_module(0)) {
 ast_string_field_free_memory(settings);
 ast_free(settings);
 settings = NULL;
 dbexit();
 ast_log(LOG_WARNING,"cel_tds module had config problems; declining load\n");
 return AST_MODULE_LOAD_DECLINE;
 }

 /* Register MSSQL CEL handler */
 if (ast_cel_backend_register(TDS_BACKEND_NAME, tds_log)) {
 ast_log(LOG_ERROR, "Unable to register MSSQL CEL handling\n");
 ast_string_field_free_memory(settings);
 ast_free(settings);
 settings = NULL;
 dbexit();
 return AST_MODULE_LOAD_DECLINE;
 }

 return AST_MODULE_LOAD_SUCCESS;
}

mssql_connect()

static int mssql_connect ( void  )

static

Definition at line 347 of file cel_tds.c.

References ast_log, ast_strlen_zero, cel_tds_config::charset, cel_tds_config::connected, cel_tds_config::connection, cel_tds_config::database, dbopen(), cel_tds_config::dbproc, execute_and_consume(), cel_tds_config::language, LOG_ERROR, NULL, cel_tds_config::password, cel_tds_config::table, and cel_tds_config::username.

Referenced by tds_load_module(), and tds_log().

{
 LOGINREC *login;

 if ((login = dblogin()) == NULL) {
 ast_log(LOG_ERROR, "Unable to allocate login structure for db-lib\n");
 return -1;
 }

 DBSETLAPP(login, "TSQL");
 DBSETLUSER(login, (char *) settings->username);
 DBSETLPWD(login, (char *) settings->password);

 if (!ast_strlen_zero(settings->charset)) {
 DBSETLCHARSET(login, (char *) settings->charset);
 }

 if (!ast_strlen_zero(settings->language)) {
 DBSETLNATLANG(login, (char *) settings->language);
 }

 if ((settings->dbproc = dbopen(login, (char *) settings->connection)) == NULL) {
 ast_log(LOG_ERROR, "Unable to connect to %s\n", settings->connection);
 dbloginfree(login);
 return -1;
 }

 dbloginfree(login);

 if (dbuse(settings->dbproc, (char *) settings->database) == FAIL) {
 ast_log(LOG_ERROR, "Unable to select database %s\n", settings->database);
 goto failed;
 }

 if (execute_and_consume(settings->dbproc, "SELECT 1 FROM [%s]", settings->table)) {
 ast_log(LOG_ERROR, "Unable to find table '%s'\n", settings->table);
 goto failed;
 }

 settings->connected = 1;

 return 0;

failed:
 dbclose(settings->dbproc);
 settings->dbproc = NULL;
 return -1;
}

mssql_disconnect()

static int mssql_disconnect ( void  )

static

Definition at line 336 of file cel_tds.c.

References cel_tds_config::connected, cel_tds_config::dbproc, and NULL.

Referenced by tds_load_module(), tds_log(), and tds_unload_module().

{
 if (settings->dbproc) {
 dbclose(settings->dbproc);
 settings->dbproc = NULL;
 }
 settings->connected = 0;

 return 0;
}

reload()

static int reload ( void  )

static

Definition at line 528 of file cel_tds.c.

References tds_load_module().

Referenced by unload_module().

{
 return tds_load_module(1);
}

tds_error_handler()

static int tds_error_handler ( DBPROCESS *  dbproc, int  severity, int  dberr, int  oserr, char *  dberrstr, char *  oserrstr  )

static

Definition at line 414 of file cel_tds.c.

References ast_log, and LOG_ERROR.

Referenced by load_module().

{
 ast_log(LOG_ERROR, "%s (%d)\n", dberrstr, dberr);

 if (oserr != DBNOERR) {
 ast_log(LOG_ERROR, "%s (%d)\n", oserrstr, oserr);
 }

 return INT_CANCEL;
}

tds_load_module()

static int tds_load_module ( int  reload )

static

Definition at line 433 of file cel_tds.c.

References ast_config_destroy(), ast_config_load, ast_log, ast_mutex_lock, ast_mutex_unlock, ast_string_field_init, ast_string_field_set, ast_variable_browse(), ast_variable_retrieve(), config, CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEINVALID, CONFIG_STATUS_FILEUNCHANGED, cel_tds_config::connection, cel_tds_config::database, cel_tds_config::language, LOG_ERROR, LOG_NOTICE, mssql_connect(), mssql_disconnect(), NULL, cel_tds_config::password, cel_tds_config::table, tds_lock, and cel_tds_config::username.

Referenced by load_module(), and reload().

{
 struct ast_config *cfg;
 const char *ptr = NULL;
 struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };

 cfg = ast_config_load(config, config_flags);
 if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) {
 ast_log(LOG_NOTICE, "Unable to load TDS config for CELs: %s\n", config);
 return 0;
 } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
 return 0;
 }

 if (!ast_variable_browse(cfg, "global")) {
 /* nothing configured */
 ast_config_destroy(cfg);
 ast_log(LOG_NOTICE, "cel_tds has no global category, nothing to configure.\n");
 return 0;
 }

 ast_mutex_lock(&tds_lock);

 /* Clear out any existing settings */
 ast_string_field_init(settings, 0);

 ptr = ast_variable_retrieve(cfg, "global", "connection");
 if (ptr) {
 ast_string_field_set(settings, connection, ptr);
 } else {
 ast_log(LOG_ERROR, "Failed to connect: Database connection name not specified.\n");
 goto failed;
 }

 ptr = ast_variable_retrieve(cfg, "global", "dbname");
 if (ptr) {
 ast_string_field_set(settings, database, ptr);
 } else {
 ast_log(LOG_ERROR, "Failed to connect: Database dbname not specified.\n");
 goto failed;
 }

 ptr = ast_variable_retrieve(cfg, "global", "user");
 if (ptr) {
 ast_string_field_set(settings, username, ptr);
 } else {
 ast_log(LOG_ERROR, "Failed to connect: Database dbuser not specified.\n");
 goto failed;
 }

 ptr = ast_variable_retrieve(cfg, "global", "password");
 if (ptr) {
 ast_string_field_set(settings, password, ptr);
 } else {
 ast_log(LOG_ERROR, "Failed to connect: Database password not specified.\n");
 goto failed;
 }

 ptr = ast_variable_retrieve(cfg, "global", "charset");
 if (ptr) {
 ast_string_field_set(settings, charset, ptr);
 }

 ptr = ast_variable_retrieve(cfg, "global", "language");
 if (ptr) {
 ast_string_field_set(settings, language, ptr);
 }

 ptr = ast_variable_retrieve(cfg, "global", "table");
 if (ptr) {
 ast_string_field_set(settings, table, ptr);
 } else {
 ast_log(LOG_NOTICE, "Table name not specified, using 'cel' by default.\n");
 ast_string_field_set(settings, table, "cel");
 }

 mssql_disconnect();

 if (mssql_connect()) {
 /* We failed to connect (mssql_connect takes care of logging it) */
 goto failed;
 }

 ast_mutex_unlock(&tds_lock);
 ast_config_destroy(cfg);

 return 1;

failed:
 ast_mutex_unlock(&tds_lock);
 ast_config_destroy(cfg);

 return 0;
}

tds_log()

static void tds_log ( struct ast_event *  event )

static

Definition at line 113 of file cel_tds.c.

References ast_cel_event_record::account_code, ast_cel_event_record::amaflag, anti_injection(), ast_cel_event_record::application_data, ast_cel_event_record::application_name, AST_CEL_EVENT_RECORD_VERSION, ast_cel_fill_record(), AST_CEL_USER_DEFINED, ast_channel_amaflags2string(), ast_free, ast_log, ast_mutex_lock, ast_mutex_unlock, ast_cel_event_record::caller_id_ani, ast_cel_event_record::caller_id_dnid, ast_cel_event_record::caller_id_name, ast_cel_event_record::caller_id_num, ast_cel_event_record::caller_id_rdnis, ast_cel_event_record::channel_name, cel_tds_config::connected, cel_tds_config::connection, ast_cel_event_record::context, cel_tds_config::dbproc, done, ast_cel_event_record::event_name, ast_cel_event_record::event_time, ast_cel_event_record::event_type, ast_cel_event_record::extension, get_date(), ast_cel_event_record::linked_id, LOG_ERROR, LOG_NOTICE, mssql_connect(), mssql_disconnect(), ast_cel_event_record::peer, cel_tds_config::table, tds_lock, ast_cel_event_record::unique_id, ast_cel_event_record::user_defined_name, ast_cel_event_record::user_field, and ast_cel_event_record::version.

Referenced by load_module().

{
 char start[80];
 char *accountcode_ai, *clidnum_ai, *exten_ai, *context_ai, *clid_ai, *channel_ai, *app_ai, *appdata_ai, *uniqueid_ai, *linkedid_ai, *cidani_ai, *cidrdnis_ai, *ciddnid_ai, *peer_ai, *userfield_ai;
 RETCODE erc;
 int attempt = 1;
 struct ast_cel_event_record record = {
 .version = AST_CEL_EVENT_RECORD_VERSION,
 };

 if (ast_cel_fill_record(event, &record)) {
 return;
 }

 ast_mutex_lock(&tds_lock);

 accountcode_ai = anti_injection(record.account_code, 20);
 clidnum_ai = anti_injection(record.caller_id_num, 80);
 clid_ai = anti_injection(record.caller_id_name, 80);
 cidani_ai = anti_injection(record.caller_id_ani, 80);
 cidrdnis_ai = anti_injection(record.caller_id_rdnis, 80);
 ciddnid_ai = anti_injection(record.caller_id_dnid, 80);
 exten_ai = anti_injection(record.extension, 80);
 context_ai = anti_injection(record.context, 80);
 channel_ai = anti_injection(record.channel_name, 80);
 app_ai = anti_injection(record.application_name, 80);
 appdata_ai = anti_injection(record.application_data, 80);
 uniqueid_ai = anti_injection(record.unique_id, 32);
 linkedid_ai = anti_injection(record.linked_id, 32);
 userfield_ai = anti_injection(record.user_field, 32);
 peer_ai = anti_injection(record.peer, 32);

 get_date(start, sizeof(start), record.event_time);

retry:
 /* Ensure that we are connected */
 if (!settings->connected) {
 ast_log(LOG_NOTICE, "Attempting to reconnect to %s (Attempt %d)\n", settings->connection, attempt);
 if (mssql_connect()) {
 /* Connect failed */
 if (attempt++ < 3) {
 goto retry;
 }
 goto done;
 }
 }

 erc = dbfcmd(settings->dbproc,
 "INSERT INTO %s "
 "("
 "accountcode,"
 "cidnum,"
 "cidname,"
 "cidani,"
 "cidrdnis,"
 "ciddnid,"
 "exten,"
 "context,"
 "channel,"
 "appname,"
 "appdata,"
 "eventtime,"
 "eventtype,"
 "amaflags, "
 "uniqueid,"
 "linkedid,"
 "userfield,"
 "peer"
 ") "
 "VALUES "
 "("
 "'%s'," /* accountcode */
 "'%s'," /* clidnum */
 "'%s'," /* clid */
 "'%s'," /* cid-ani */
 "'%s'," /* cid-rdnis */
 "'%s'," /* cid-dnid */
 "'%s'," /* exten */
 "'%s'," /* context */
 "'%s'," /* channel */
 "'%s'," /* app */
 "'%s'," /* appdata */
 "%s, " /* eventtime */
 "'%s'," /* eventtype */
 "'%s'," /* amaflags */
 "'%s'," /* uniqueid */
 "'%s'," /* linkedid */
 "'%s'," /* userfield */
 "'%s'" /* peer */
 ")",
 settings->table, accountcode_ai, clidnum_ai, clid_ai, cidani_ai, cidrdnis_ai,
 ciddnid_ai, exten_ai, context_ai, channel_ai, app_ai, appdata_ai, start,
 (record.event_type == AST_CEL_USER_DEFINED)
 ? record.user_defined_name : record.event_name,
 ast_channel_amaflags2string(record.amaflag), uniqueid_ai, linkedid_ai,
 userfield_ai, peer_ai);

 if (erc == FAIL) {
 if (attempt++ < 3) {
 ast_log(LOG_NOTICE, "Failed to build INSERT statement, retrying...\n");
 mssql_disconnect();
 goto retry;
 } else {
 ast_log(LOG_ERROR, "Failed to build INSERT statement, no CEL was logged.\n");
 goto done;
 }
 }

 if (dbsqlexec(settings->dbproc) == FAIL) {
 if (attempt++ < 3) {
 ast_log(LOG_NOTICE, "Failed to execute INSERT statement, retrying...\n");
 mssql_disconnect();
 goto retry;
 } else {
 ast_log(LOG_ERROR, "Failed to execute INSERT statement, no CEL was logged.\n");
 goto done;
 }
 }

 /* Consume any results we might get back (this is more of a sanity check than
 * anything else, since an INSERT shouldn't return results). */
 while (dbresults(settings->dbproc) != NO_MORE_RESULTS) {
 while (dbnextrow(settings->dbproc) != NO_MORE_ROWS);
 }

done:
 ast_mutex_unlock(&tds_lock);

 ast_free(accountcode_ai);
 ast_free(clidnum_ai);
 ast_free(clid_ai);
 ast_free(cidani_ai);
 ast_free(cidrdnis_ai);
 ast_free(ciddnid_ai);
 ast_free(exten_ai);
 ast_free(context_ai);
 ast_free(channel_ai);
 ast_free(app_ai);
 ast_free(appdata_ai);
 ast_free(uniqueid_ai);
 ast_free(linkedid_ai);
 ast_free(userfield_ai);
 ast_free(peer_ai);

 return;
}

tds_message_handler()

static int tds_message_handler ( DBPROCESS *  dbproc, DBINT  msgno, int  msgstate, int  severity, char *  msgtext, char *  srvname, char *  procname, int  line  )

static

Definition at line 425 of file cel_tds.c.

References ast_debug, ast_log, and LOG_NOTICE.

Referenced by load_module().

{
 ast_debug(1, "Msg %d, Level %d, State %d, Line %d\n", msgno, severity, msgstate, line);
 ast_log(LOG_NOTICE, "%s\n", msgtext);

 return 0;
}

tds_unload_module()

static int tds_unload_module ( void  )

static

Definition at line 396 of file cel_tds.c.

References ast_cel_backend_unregister(), ast_free, ast_mutex_lock, ast_mutex_unlock, ast_string_field_free_memory, mssql_disconnect(), TDS_BACKEND_NAME, and tds_lock.

Referenced by unload_module().

{
 ast_cel_backend_unregister(TDS_BACKEND_NAME);

 if (settings) {
 ast_mutex_lock(&tds_lock);
 mssql_disconnect();
 ast_mutex_unlock(&tds_lock);

 ast_string_field_free_memory(settings);
 ast_free(settings);
 }

 dbexit();

 return 0;
}

unload_module()

static int unload_module ( void  )

static

Definition at line 572 of file cel_tds.c.

References AST_MODFLAG_LOAD_ORDER, AST_MODPRI_CDR_DRIVER, AST_MODULE_INFO(), AST_MODULE_SUPPORT_EXTENDED, ASTERISK_GPL_KEY, load_module(), reload(), and tds_unload_module().

{
 return tds_unload_module();
}

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "FreeTDS CEL Backend" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .support_level = AST_MODULE_SUPPORT_EXTENDED, .load = load_module, .unload = unload_module, .reload = reload, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cel", }

static

Definition at line 584 of file cel_tds.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 584 of file cel_tds.c.

config

char* config = "cel_tds.conf"

static

Definition at line 84 of file cel_tds.c.

Referenced by tds_load_module().

settings

struct cel_tds_config* settings

static

Definition at line 102 of file cel_tds.c.

tds_lock

ast_mutex_t tds_lock = { PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP , NULL, {1, 0} }

static

Definition at line 100 of file cel_tds.c.

Referenced by tds_load_module(), tds_log(), and tds_unload_module().