#include <freeradius-devel/ident.h>
RCSID("$Id$")
#include <freeradius-devel/radiusd.h>
#include <sys/stat.h>
#include <isql.h>
#include <isqlext.h>
#include <sqltypes.h>
#include "rlm_sql.h"
typedef struct rlm_sql_iodbc_sock {
HENV env_handle;
HDBC dbc_handle;
HSTMT stmt_handle;
int id;
SQL_ROW row;
struct sql_socket *next;
void *conn;
} rlm_sql_iodbc_sock;;
static const char *sql_error(SQLSOCK *sqlsocket, SQL_CONFIG *config);
static int sql_num_fields(SQLSOCK *sqlsocket, SQL_CONFIG *config);
static int sql_init_socket(SQLSOCK *sqlsocket, SQL_CONFIG *config) {
rlm_sql_iodbc_sock *iodbc_sock;
SQLRETURN rcode;
if (!sqlsocket->conn) {
sqlsocket->conn = (rlm_sql_iodbc_sock *)rad_malloc(sizeof(rlm_sql_iodbc_sock));
if (!sqlsocket->conn) {
return -1;
}
}
iodbc_sock = sqlsocket->conn;
memset(iodbc_sock, 0, sizeof(*iodbc_sock));
rcode = SQLAllocEnv(&iodbc_sock->env_handle);
if (!SQL_SUCCEEDED(rcode)) {
radlog(L_CONS|L_ERR, "sql_create_socket: SQLAllocEnv failed: %s",
sql_error(sqlsocket, config));
return -1;
}
rcode = SQLAllocConnect(iodbc_sock->env_handle,
&iodbc_sock->dbc_handle);
if (!SQL_SUCCEEDED(rcode)) {
radlog(L_CONS|L_ERR, "sql_create_socket: SQLAllocConnect failed: %s",
sql_error(sqlsocket, config));
return -1;
}
rcode = SQLConnect(iodbc_sock->dbc_handle, config->sql_db,
SQL_NTS, config->sql_login, SQL_NTS,
config->sql_password, SQL_NTS);
if (!SQL_SUCCEEDED(rcode)) {
radlog(L_CONS|L_ERR, "sql_create_socket: SQLConnectfailed: %s",
sql_error(sqlsocket, config));
return -1;
}
return 0;
}
static int sql_destroy_socket(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config)
{
free(sqlsocket->conn);
sqlsocket->conn = NULL;
return 0;
}
static int sql_query(SQLSOCK *sqlsocket, SQL_CONFIG *config, char *querystr) {
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
SQLRETURN rcode;
rcode = SQLAllocStmt(iodbc_sock->dbc_handle,
&iodbc_sock->stmt_handle);
if (!SQL_SUCCEEDED(rcode)) {
radlog(L_CONS|L_ERR, "sql_create_socket: SQLAllocStmt failed: %s",
sql_error(sqlsocket, config));
return -1;
}
if (config->sqltrace)
radlog(L_DBG, "rlm_sql: %s", querystr);
if (iodbc_sock->dbc_handle == NULL) {
radlog(L_ERR, "sql_query: Socket not connected");
return -1;
}
rcode = SQLExecDirect(iodbc_sock->stmt_handle, querystr, SQL_NTS);
if (!SQL_SUCCEEDED(rcode)) {
radlog(L_CONS|L_ERR, "sql_query: failed: %s",
sql_error(sqlsocket, config));
return -1;
}
return 0;
}
static int sql_select_query(SQLSOCK *sqlsocket, SQL_CONFIG *config, char *querystr) {
int numfields = 0;
int i=0;
char **row=NULL;
SQLINTEGER len=0;
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
if(sql_query(sqlsocket, config, querystr) < 0) {
return -1;
}
numfields = sql_num_fields(sqlsocket, config);
row = (char **) rad_malloc(sizeof(char *) * (numfields+1));
memset(row, 0, (sizeof(char *) * (numfields)));
row[numfields] = NULL;
for(i=1; i<=numfields; i++) {
SQLColAttributes(iodbc_sock->stmt_handle, ((SQLUSMALLINT) i), SQL_COLUMN_LENGTH,
NULL, 0, NULL, &len);
len++;
row[i-1] = (SQLCHAR*)rad_malloc((int)len);
SQLBindCol(iodbc_sock->stmt_handle, i, SQL_C_CHAR, (SQLCHAR *)row[i-1], len, 0);
}
iodbc_sock->row = row;
return 0;
}
static int sql_store_result(UNUSED SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
return 0;
}
static int sql_num_fields(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
SQLSMALLINT count=0;
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
SQLNumResultCols(iodbc_sock->stmt_handle, &count);
return (int)count;
}
static int sql_num_rows(UNUSED SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
return 0;
}
static int sql_fetch_row(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
SQLRETURN rc;
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
sqlsocket->row = NULL;
if((rc = SQLFetch(iodbc_sock->stmt_handle)) == SQL_NO_DATA_FOUND) {
return 0;
}
sqlsocket->row = iodbc_sock->row;
return 0;
}
static int sql_free_result(SQLSOCK *sqlsocket, SQL_CONFIG *config) {
int i=0;
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
for(i=0; i<sql_num_fields(sqlsocket, config); i++) {
free(iodbc_sock->row[i]);
}
free(iodbc_sock->row);
iodbc_sock->row=NULL;
SQLFreeStmt( iodbc_sock->stmt_handle, SQL_DROP );
return 0;
}
static const char *sql_error(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
SQLINTEGER errornum = 0;
SQLSMALLINT length = 0;
SQLCHAR state[256] = "";
static SQLCHAR error[256] = "";
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
SQLError(iodbc_sock->env_handle, iodbc_sock->dbc_handle, iodbc_sock->stmt_handle,
state, &errornum, error, 256, &length);
return error;
}
static int sql_close(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
SQLFreeStmt(iodbc_sock->stmt_handle, SQL_DROP);
SQLDisconnect(iodbc_sock->dbc_handle);
SQLFreeConnect(iodbc_sock->dbc_handle);
SQLFreeEnv(iodbc_sock->env_handle);
iodbc_sock->stmt_handle = NULL;
iodbc_sock->dbc_handle = NULL;
iodbc_sock->env_handle = NULL;
return 0;
}
static int sql_finish_query(SQLSOCK *sqlsocket, SQL_CONFIG *config) {
return sql_free_result(sqlsocket, config);
}
static int sql_finish_select_query(SQLSOCK *sqlsocket, SQL_CONFIG *config) {
return sql_free_result(sqlsocket, config);
}
static int sql_affected_rows(SQLSOCK *sqlsocket, UNUSED SQL_CONFIG *config) {
SQLINTEGER count;
rlm_sql_iodbc_sock *iodbc_sock = sqlsocket->conn;
SQLRowCount(iodbc_sock->stmt_handle, &count);
return (int)count;
}
rlm_sql_module_t rlm_sql_iodbc = {
"rlm_sql_iodbc",
sql_init_socket,
sql_destroy_socket,
sql_query,
sql_select_query,
sql_store_result,
sql_num_fields,
sql_num_rows,
sql_fetch_row,
sql_free_result,
sql_error,
sql_close,
sql_finish_query,
sql_finish_select_query,
sql_affected_rows
};