mirror of http://gerrit.asterisk.org/asterisk
Ad MSSQL CDR support (bug #1859)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3497 65c4cc65-6c06-0410-ace0-fbb531ad65f31.0
Mark Spencer
21 years ago
parent
7f234dbc4e
commit
a1531e0ae3
@ -0,0 +1,446 @@
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/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* FreeTDS CDR logger
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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.
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*
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*
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* Table Structure for `cdr`
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*
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* Created on: 05/20/2004 16:16
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* Last changed on: 07/19/2004 13:01
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CREATE TABLE [dbo].[cdr] (
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[accountcode] [varchar] (20) NULL ,
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[src] [varchar] (80) NULL ,
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[dst] [varchar] (80) NULL ,
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[dcontext] [varchar] (80) NULL ,
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[clid] [varchar] (80) NULL ,
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[channel] [varchar] (80) NULL ,
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[dstchannel] [varchar] (80) NULL ,
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[lastapp] [varchar] (80) NULL ,
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[lastdata] [varchar] (80) NULL ,
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[start] [datetime] NULL ,
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[answer] [datetime] NULL ,
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[end] [datetime] NULL ,
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[duration] [int] NULL ,
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[billsec] [int] NULL ,
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[disposition] [varchar] (20) NULL ,
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[amaflags] [varchar] (16) NULL ,
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[uniqueid] [varchar] (32) NULL
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) ON [PRIMARY]
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*/
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#include <sys/types.h>
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#include <asterisk/config.h>
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#include <asterisk/options.h>
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#include <asterisk/channel.h>
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#include <asterisk/cdr.h>
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#include <asterisk/module.h>
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#include <asterisk/logger.h>
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#include "../asterisk.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <math.h>
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#include <tds.h>
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#include <tdsconvert.h>
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#include <ctype.h>
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#define DATE_FORMAT "%Y/%m/%d %T"
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static char *desc = "MSSQL CDR Backend";
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static char *name = "mssql";
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static char *config = "cdr_tds.conf";
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AST_MUTEX_DEFINE_STATIC(tds_lock);
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static TDSSOCKET *tds;
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static TDSLOGIN *login;
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static TDSCONTEXT *context;
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char *stristr(const char*, const char*);
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char *anti_injection(const char *, int);
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static int tds_log(struct ast_cdr *cdr)
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{
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struct tm tm;
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time_t t;
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char sqlcmd[2048], start[80], answer[80], end[80];
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char *accountcode, *src, *dst, *dcontext, *clid, *channel, *dstchannel, *lastapp, *lastdata, *uniqueid;
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int res = 0;
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ast_mutex_lock(&tds_lock);
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memset(sqlcmd, 0, 2048);
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accountcode = anti_injection(cdr->accountcode, 20);
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src = anti_injection(cdr->src, 80);
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dst = anti_injection(cdr->dst, 80);
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dcontext = anti_injection(cdr->dcontext, 80);
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clid = anti_injection(cdr->clid, 80);
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channel = anti_injection(cdr->channel, 80);
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dstchannel = anti_injection(cdr->dstchannel, 80);
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lastapp = anti_injection(cdr->lastapp, 80);
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lastdata = anti_injection(cdr->lastdata, 80);
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uniqueid = anti_injection(cdr->uniqueid, 32);
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t = cdr->start.tv_sec;
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localtime_r(&t, &tm);
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strftime(start, 80, DATE_FORMAT, &tm);
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t = cdr->answer.tv_sec;
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localtime_r(&t, &tm);
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strftime(answer, 80, DATE_FORMAT, &tm);
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t = cdr->end.tv_sec;
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localtime_r(&t, &tm);
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strftime(end, 80, DATE_FORMAT, &tm);
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sprintf(sqlcmd, "INSERT INTO cdr (accountcode, src, dst, dcontext, clid, channel, dstchannel, lastapp, lastdata, start, answer, [end], duration, billsec, disposition, amaflags, uniqueid) VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %i, %i, '%s', '%s', '%s')", accountcode, src, dst, dcontext, clid, channel, dstchannel, lastapp, lastdata, start, answer, end, cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition), ast_cdr_flags2str(cdr->amaflags), uniqueid);
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if ((tds_submit_query(tds, sqlcmd) != TDS_SUCCEED) || (tds_process_simple_query(tds) != TDS_SUCCEED))
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{
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ast_log(LOG_ERROR, "Failed to insert record into database.\n");
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res = -1;
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}
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free(accountcode);
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free(src);
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free(dst);
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free(dcontext);
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free(clid);
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free(channel);
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free(dstchannel);
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free(lastapp);
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free(lastdata);
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free(uniqueid);
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ast_mutex_unlock(&tds_lock);
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return res;
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}
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/* Return the offset of one string within another.
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Copyright (C) 1994, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/*
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* My personal strstr() implementation that beats most other algorithms.
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* Until someone tells me otherwise, I assume that this is the
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* fastest implementation of strstr() in C.
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* I deliberately chose not to comment it. You should have at least
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* as much fun trying to understand it, as I had to write it :-).
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*
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* Stephen R. van den Berg, berg@pool.informatik.rwth-aachen.de */
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char *
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stristr (phaystack, pneedle)
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const char *phaystack;
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const char *pneedle;
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{
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typedef unsigned chartype;
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const unsigned char *haystack, *needle;
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chartype b;
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const unsigned char *rneedle;
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haystack = (const unsigned char *) phaystack;
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if ((b = toupper(*(needle = (const unsigned char *) pneedle))))
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{
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chartype c;
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haystack--; /* possible ANSI violation */
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{
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chartype a;
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do
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if (!(a = toupper(*++haystack)))
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goto ret0;
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while (a != b);
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}
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if (!(c = toupper(*++needle)))
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goto foundneedle;
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++needle;
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goto jin;
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for (;;)
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{
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{
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chartype a;
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if (0)
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jin:{
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if ((a = toupper(*++haystack)) == c)
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goto crest;
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}
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else
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a = toupper(*++haystack);
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do
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{
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for (; a != b; a = toupper(*++haystack))
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{
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if (!a)
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goto ret0;
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if ((a = toupper(*++haystack)) == b)
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break;
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if (!a)
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goto ret0;
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}
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}
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while ((a = toupper(*++haystack)) != c);
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}
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crest:
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{
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chartype a;
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{
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const unsigned char *rhaystack;
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if (toupper(*(rhaystack = haystack-- + 1)) == (a = toupper(*(rneedle = needle))))
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do
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{
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if (!a)
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goto foundneedle;
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if (toupper(*++rhaystack) != (a = toupper(*++needle)))
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break;
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if (!a)
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goto foundneedle;
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}
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while (toupper(*++rhaystack) == (a = toupper(*++needle)));
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needle = rneedle; /* took the register-poor aproach */
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}
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if (!a)
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break;
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}
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}
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}
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foundneedle:
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return (char *) haystack;
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ret0:
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return 0;
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}
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char *anti_injection(const char *str, int len)
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{
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/* Reference to http://www.nextgenss.com/papers/advanced_sql_injection.pdf */
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char *buf;
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char *buf_ptr, *srh_ptr;
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char *known_bad[] = {"select", "insert", "update", "delete", "drop", ";", "--", "\0"};
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int idx;
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if ((buf = malloc(len + 1)) == NULL)
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{
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ast_log(LOG_ERROR, "cdr_tds: Out of memory error\n");
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return NULL;
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}
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memset(buf, 0, len);
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buf_ptr = buf;
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/* Escape single quotes */
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for (; *str && strlen(buf) < len; str++)
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{
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if (*str == '\'')
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*buf_ptr++ = '\'';
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*buf_ptr++ = *str;
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}
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*buf_ptr = '\0';
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/* Erase known bad input */
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for (idx=0; *known_bad[idx]; idx++)
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{
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while(srh_ptr = stristr(buf, known_bad[idx])) /* fix me! */
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{
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memmove(srh_ptr, srh_ptr+strlen(known_bad[idx]), strlen(srh_ptr+strlen(known_bad[idx]))+1);
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}
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}
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return buf;
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}
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char *description(void)
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{
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return desc;
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}
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int unload_module(void)
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{
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tds_free_socket(tds);
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tds_free_login(login);
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tds_free_context(context);
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ast_cdr_unregister(name);
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return 0;
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}
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int load_module(void)
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{
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TDSCONNECTINFO *connection;
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int res = 0;
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struct ast_config *cfg;
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struct ast_variable *var;
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char query[1024], *ptr = NULL;
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char *hostname = NULL, *dbname = NULL, *dbuser = NULL, *password = NULL, *charset = NULL, *language = NULL;
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cfg = ast_load(config);
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if (!cfg)
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{
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ast_log(LOG_NOTICE, "Unable to load config for MSSQL CDR's: %s\n", config);
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return 0;
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}
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var = ast_variable_browse(cfg, "global");
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if (!var) /* nothing configured */
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return 0;
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ptr = ast_variable_retrieve(cfg, "global", "hostname");
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if (ptr)
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{
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hostname = strdupa(ptr);
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}
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else
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{
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ast_log(LOG_ERROR,"Database server hostname not specified.\n");
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}
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ptr = ast_variable_retrieve(cfg, "global", "dbname");
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if (ptr)
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{
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dbname = strdupa(ptr);
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}
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else
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{
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ast_log(LOG_ERROR,"Database dbname not specified.\n");
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}
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ptr = ast_variable_retrieve(cfg, "global", "user");
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if (ptr)
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{
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dbuser = strdupa(ptr);
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}
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else
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{
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ast_log(LOG_ERROR,"Database dbuser not specified.\n");
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}
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ptr = ast_variable_retrieve(cfg, "global", "password");
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if (ptr)
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{
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password = strdupa(ptr);
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}
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else
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{
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ast_log(LOG_ERROR,"Database password not specified.\n");
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}
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ptr = ast_variable_retrieve(cfg, "global", "charset");
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if (ptr)
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{
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charset = strdupa(ptr);
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}
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else
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{
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charset = strdupa("iso_1");
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}
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ptr = ast_variable_retrieve(cfg, "global", "language");
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if (ptr)
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{
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language = strdupa(ptr);
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}
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else
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{
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language = strdupa("us_english");
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}
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ast_destroy(cfg);
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/* Connect to M$SQL Server */
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if (!(login = tds_alloc_login()))
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{
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ast_log(LOG_ERROR, "tds_alloc_login() failed.\n");
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res = -1;
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}
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else
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{
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tds_set_server(login, hostname);
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tds_set_user(login, dbuser);
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tds_set_passwd(login, password);
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tds_set_app(login, "TSQL");
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tds_set_library(login, "TDS-Library");
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tds_set_client_charset(login, charset);
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tds_set_language(login, language);
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tds_set_packet(login, 512);
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tds_set_version(login, 7, 0);
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context = tds_alloc_context();
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tds = tds_alloc_socket(context, 512);
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tds_set_parent(tds, NULL);
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connection = tds_read_config_info(NULL, login, context->locale);
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if (!connection || tds_connect(tds, connection) == TDS_FAIL)
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{
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ast_log(LOG_ERROR, "Failed to connect to MSSQL server.\n");
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res = -1;
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}
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tds_free_connect(connection);
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if (!res)
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{
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memset(query, 0, sizeof(query));
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sprintf(query, "USE %s", dbname);
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if ((tds_submit_query(tds, query) != TDS_SUCCEED) || (tds_process_simple_query(tds) != TDS_SUCCEED))
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{
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ast_log(LOG_ERROR, "Could not change database (%s)\n", dbname);
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res = -1;
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}
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else
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{
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/* Register MSSQL CDR handler */
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res = ast_cdr_register(name, desc, tds_log);
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if (res)
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{
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ast_log(LOG_ERROR, "Unable to register MSSQL CDR handling\n");
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}
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}
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}
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}
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return res;
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}
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int reload(void)
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{
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return 0;
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}
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int usecount(void)
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{
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return 0;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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@ -0,0 +1,9 @@
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; Sample Asterisk config file for CDR logging to FreeTDS
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;[global]
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;hostname=fs.malico.loc
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;port=1433
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;dbname=MalicoHN
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;user=mangUsr
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;password=
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;charset=BIG5
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