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547 lines
14 KiB
547 lines
14 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* Copyright (C) 2004 - 2005 Anthony Minessale II <anthmct@yahoo.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief odbc+odbc plugin for portable configuration engine
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*
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* http://www.unixodbc.org
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/config.h"
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#include "asterisk/module.h"
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#include "asterisk/lock.h"
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#include "asterisk/options.h"
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#include "asterisk/res_odbc.h"
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#include "asterisk/utils.h"
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static char *tdesc = "ODBC Configuration";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static struct ast_variable *realtime_odbc(const char *database, const char *table, va_list ap)
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{
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odbc_obj *obj;
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SQLHSTMT stmt;
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char sql[1024];
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char coltitle[256];
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char rowdata[2048];
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char *op;
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const char *newparam, *newval;
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char *stringp;
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char *chunk;
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SQLSMALLINT collen;
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int res;
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int x;
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struct ast_variable *var=NULL, *prev=NULL;
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SQLULEN colsize;
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SQLSMALLINT colcount=0;
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SQLSMALLINT datatype;
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SQLSMALLINT decimaldigits;
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SQLSMALLINT nullable;
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SQLINTEGER indicator;
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va_list aq;
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va_copy(aq, ap);
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if (!table)
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return NULL;
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obj = fetch_odbc_obj(database, 0);
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if (!obj)
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return NULL;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return NULL;
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}
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newparam = va_arg(aq, const char *);
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if (!newparam) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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newval = va_arg(aq, const char *);
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if (!strchr(newparam, ' ')) op = " ="; else op = "";
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snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s ?", table, newparam, op);
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while((newparam = va_arg(aq, const char *))) {
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if (!strchr(newparam, ' ')) op = " ="; else op = "";
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s ?", newparam, op);
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newval = va_arg(aq, const char *);
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}
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va_end(aq);
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if (strcasestr(sql, "LIKE"))
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ESCAPE '\\'");
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res = SQLPrepare(stmt, (unsigned char *)sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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/* Now bind the parameters */
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x = 1;
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while((newparam = va_arg(ap, const char *))) {
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newval = va_arg(ap, const char *);
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
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}
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res = odbc_smart_execute(obj, stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLNumResultCols(stmt, &colcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLFetch(stmt);
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if (res == SQL_NO_DATA) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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for (x=0;x<colcount;x++) {
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rowdata[0] = '\0';
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collen = sizeof(coltitle);
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res = SQLDescribeCol(stmt, x + 1, (unsigned char *)coltitle, sizeof(coltitle), &collen,
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&datatype, &colsize, &decimaldigits, &nullable);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
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if (var)
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ast_variables_destroy(var);
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return NULL;
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}
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indicator = 0;
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res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), &indicator);
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if (indicator == SQL_NULL_DATA)
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continue;
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
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if (var)
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ast_variables_destroy(var);
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return NULL;
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}
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stringp = rowdata;
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while(stringp) {
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chunk = strsep(&stringp, ";");
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if (!ast_strlen_zero(ast_strip(chunk))) {
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if (prev) {
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prev->next = ast_variable_new(coltitle, chunk);
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if (prev->next)
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prev = prev->next;
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} else
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prev = var = ast_variable_new(coltitle, chunk);
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}
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}
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}
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return var;
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}
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static struct ast_config *realtime_multi_odbc(const char *database, const char *table, va_list ap)
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{
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odbc_obj *obj;
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SQLHSTMT stmt;
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char sql[1024];
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char coltitle[256];
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char rowdata[2048];
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const char *initfield=NULL;
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char *op;
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const char *newparam, *newval;
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char *stringp;
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char *chunk;
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SQLSMALLINT collen;
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int res;
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int x;
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struct ast_variable *var=NULL;
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struct ast_config *cfg=NULL;
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struct ast_category *cat=NULL;
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struct ast_realloca ra;
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SQLULEN colsize;
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SQLSMALLINT colcount=0;
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SQLSMALLINT datatype;
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SQLSMALLINT decimaldigits;
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SQLSMALLINT nullable;
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SQLINTEGER indicator;
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va_list aq;
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va_copy(aq, ap);
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if (!table)
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return NULL;
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memset(&ra, 0, sizeof(ra));
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obj = fetch_odbc_obj(database, 0);
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if (!obj)
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return NULL;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return NULL;
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}
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newparam = va_arg(aq, const char *);
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if (!newparam) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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initfield = ast_strdupa(newparam);
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if (initfield && (op = strchr(initfield, ' ')))
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*op = '\0';
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newval = va_arg(aq, const char *);
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if (!strchr(newparam, ' ')) op = " ="; else op = "";
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snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s ?", table, newparam, op);
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while((newparam = va_arg(aq, const char *))) {
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if (!strchr(newparam, ' ')) op = " ="; else op = "";
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s ?", newparam, op);
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newval = va_arg(aq, const char *);
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}
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if (initfield)
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ORDER BY %s", initfield);
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va_end(aq);
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if (strcasestr(sql, "LIKE"))
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ESCAPE '\\'");
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res = SQLPrepare(stmt, (unsigned char *)sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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/* Now bind the parameters */
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x = 1;
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while((newparam = va_arg(ap, const char *))) {
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newval = va_arg(ap, const char *);
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
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}
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res = odbc_smart_execute(obj, stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLNumResultCols(stmt, &colcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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cfg = ast_config_new();
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if (!cfg) {
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ast_log(LOG_WARNING, "Out of memory!\n");
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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while ((res=SQLFetch(stmt)) != SQL_NO_DATA) {
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var = NULL;
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
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continue;
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}
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cat = ast_category_new("");
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if (!cat) {
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ast_log(LOG_WARNING, "Out of memory!\n");
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continue;
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}
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for (x=0;x<colcount;x++) {
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rowdata[0] = '\0';
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collen = sizeof(coltitle);
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res = SQLDescribeCol(stmt, x + 1, (unsigned char *)coltitle, sizeof(coltitle), &collen,
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&datatype, &colsize, &decimaldigits, &nullable);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
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ast_category_destroy(cat);
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continue;
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}
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indicator = 0;
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res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), &indicator);
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if (indicator == SQL_NULL_DATA)
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continue;
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
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ast_category_destroy(cat);
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continue;
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}
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stringp = rowdata;
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while(stringp) {
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chunk = strsep(&stringp, ";");
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if (!ast_strlen_zero(ast_strip(chunk))) {
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if (initfield && !strcmp(initfield, coltitle))
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ast_category_rename(cat, chunk);
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var = ast_variable_new(coltitle, chunk);
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ast_variable_append(cat, var);
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}
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}
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}
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ast_category_append(cfg, cat);
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}
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return cfg;
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}
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static int update_odbc(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
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{
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odbc_obj *obj;
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SQLHSTMT stmt;
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char sql[256];
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SQLLEN rowcount=0;
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const char *newparam, *newval;
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int res;
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int x;
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va_list aq;
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va_copy(aq, ap);
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if (!table)
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return -1;
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obj = fetch_odbc_obj (database, 0);
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if (!obj)
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return -1;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return -1;
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}
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newparam = va_arg(aq, const char *);
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if (!newparam) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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newval = va_arg(aq, const char *);
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snprintf(sql, sizeof(sql), "UPDATE %s SET %s=?", table, newparam);
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while((newparam = va_arg(aq, const char *))) {
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s=?", newparam);
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newval = va_arg(aq, const char *);
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}
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va_end(aq);
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s=?", keyfield);
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res = SQLPrepare(stmt, (unsigned char *)sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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/* Now bind the parameters */
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x = 1;
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while((newparam = va_arg(ap, const char *))) {
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newval = va_arg(ap, const char *);
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
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}
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(lookup), 0, (void *)lookup, 0, NULL);
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res = odbc_smart_execute(obj, stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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res = SQLRowCount(stmt, &rowcount);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Row Count error!\n[%s]\n\n", sql);
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return -1;
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}
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if (rowcount >= 0)
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return (int)rowcount;
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return -1;
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}
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static struct ast_config *config_odbc(const char *database, const char *table, const char *file, struct ast_config *cfg)
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{
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struct ast_variable *new_v;
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struct ast_category *cur_cat;
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int res = 0;
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odbc_obj *obj;
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SQLINTEGER err=0, cat_metric=0, last_cat_metric=0;
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char category[128], var_name[128], var_val[1024];
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char sqlbuf[1024];
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char *sql = sqlbuf;
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size_t sqlleft = sizeof(sqlbuf);
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SQLSMALLINT rowcount=0;
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SQLHSTMT stmt;
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char last[128] = "";
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if (!file || !strcmp (file, "res_config_odbc.conf"))
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return NULL; /* cant configure myself with myself ! */
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obj = fetch_odbc_obj(database, 0);
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if (!obj)
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return NULL;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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SQLBindCol(stmt, 1, SQL_C_ULONG, &cat_metric, sizeof(cat_metric), &err);
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SQLBindCol(stmt, 2, SQL_C_CHAR, &category, sizeof(category), &err);
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SQLBindCol(stmt, 3, SQL_C_CHAR, &var_name, sizeof(var_name), &err);
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SQLBindCol(stmt, 4, SQL_C_CHAR, &var_val, sizeof(var_val), &err);
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ast_build_string(&sql, &sqlleft, "SELECT cat_metric, category, var_name, var_val FROM %s ", table);
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ast_build_string(&sql, &sqlleft, "WHERE filename='%s' AND commented=0 ", file);
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ast_build_string(&sql, &sqlleft, "ORDER BY cat_metric DESC, var_metric ASC, category, var_name ");
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res = odbc_smart_direct_execute(obj, stmt, sqlbuf);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLNumResultCols (stmt, &rowcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log (LOG_WARNING, "SQL NumResultCols error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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if (!rowcount) {
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ast_log (LOG_NOTICE, "found nothing\n");
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return cfg;
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}
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cur_cat = ast_config_get_current_category(cfg);
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while ((res = SQLFetch(stmt)) != SQL_NO_DATA) {
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if (!strcmp (var_name, "#include")) {
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if (!ast_config_internal_load(var_val, cfg)) {
|
|
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
|
|
return NULL;
|
|
}
|
|
continue;
|
|
}
|
|
if (strcmp(last, category) || last_cat_metric != cat_metric) {
|
|
cur_cat = ast_category_new(category);
|
|
if (!cur_cat) {
|
|
ast_log(LOG_WARNING, "Out of memory!\n");
|
|
break;
|
|
}
|
|
strcpy(last, category);
|
|
last_cat_metric = cat_metric;
|
|
ast_category_append(cfg, cur_cat);
|
|
}
|
|
|
|
new_v = ast_variable_new(var_name, var_val);
|
|
ast_variable_append(cur_cat, new_v);
|
|
}
|
|
|
|
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
|
|
return cfg;
|
|
}
|
|
|
|
static struct ast_config_engine odbc_engine = {
|
|
.name = "odbc",
|
|
.load_func = config_odbc,
|
|
.realtime_func = realtime_odbc,
|
|
.realtime_multi_func = realtime_multi_odbc,
|
|
.update_func = update_odbc
|
|
};
|
|
|
|
int unload_module (void)
|
|
{
|
|
ast_config_engine_deregister(&odbc_engine);
|
|
if (option_verbose)
|
|
ast_verbose("res_config_odbc unloaded.\n");
|
|
STANDARD_HANGUP_LOCALUSERS;
|
|
return 0;
|
|
}
|
|
|
|
int load_module (void)
|
|
{
|
|
ast_config_engine_register(&odbc_engine);
|
|
if (option_verbose)
|
|
ast_verbose("res_config_odbc loaded.\n");
|
|
return 0;
|
|
}
|
|
|
|
char *description (void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int usecount (void)
|
|
{
|
|
/* never unload a config module */
|
|
return 1;
|
|
}
|
|
|
|
char *key ()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|