accounting_reply_query

[halic]

this is a simple patch to rlm_sql module.
it allows module to get attributes from db and send them in  
Accounting-Response packet.
"select-query" configured via default sql.conf; parameter is  
accounting_reply_query.
it is useful to, for example, send "vendor-specific-drop" attribute to NAS  
in response to Interim-Update.
other accounting_*_query parameters may not be defined.

configuration example:
accounting_reply_query="select id, login as UserName, 'Terminate-Session'  
as Attribute, 'Yes' as Value, '=' as op from clients where ballance <= 0  
and '%{Acct-Status-Type}' = 'Interim-Update' and login = '%{User-Name}'"

creating db-view is also a good choise; query like:
accounting_reply_query="select id, UserName, Attribute, Value, op from  
acct_reply status_type = '%{Acct-Status-Type}' and  UserName =  
'%{User-Name}'"

my patched pppd recieves "Terminate-Session" attribute.
mpd can also receive "Drop-User" attr.

currenty a lot of billing systems use different nas-specific scripts to  
drop client with negative ballance.
i think this patch is pretty usefull.

sorry, but it's patch to 1.1.3 version; not devel, from cvs.
due to bad internet i didnt downloaded cvs version.

here it is:

diff -urN freeradius-1.1.3/src/modules/rlm_sql/conf.h  
freeradius-1.1.3-oops/src/modules/rlm_sql/conf.h
--- freeradius-1.1.3/src/modules/rlm_sql/conf.h	Sat May 20 12:44:37 2006
+++ freeradius-1.1.3-oops/src/modules/rlm_sql/conf.h	Wed Dec  6 21:56:15  
2006
@@ -29,6 +29,7 @@
  	char   *accounting_start_query_alt;
  	char   *accounting_stop_query;
  	char   *accounting_stop_query_alt;
+	char   *accounting_reply_query;
  	char   *simul_count_query;
  	char   *simul_verify_query;
  	char   *groupmemb_query;
diff -urN freeradius-1.1.3/src/modules/rlm_sql/rlm_sql.c  
freeradius-1.1.3-oops/src/modules/rlm_sql/rlm_sql.c
--- freeradius-1.1.3/src/modules/rlm_sql/rlm_sql.c	Sat May 20 12:44:37 2006
+++ freeradius-1.1.3-oops/src/modules/rlm_sql/rlm_sql.c	Wed Dec  6  
22:03:35 2006
@@ -103,6 +103,8 @@
  	 offsetof(SQL_CONFIG,accounting_stop_query), NULL, ""},
  	{"accounting_stop_query_alt", PW_TYPE_STRING_PTR,
  	 offsetof(SQL_CONFIG,accounting_stop_query_alt), NULL, ""},
+	{"accounting_reply_query", PW_TYPE_STRING_PTR,
+	 offsetof(SQL_CONFIG,accounting_reply_query), NULL, ""},
  	{"group_membership_query", PW_TYPE_STRING_PTR,
  	 offsetof(SQL_CONFIG,groupmemb_query), NULL, ""},
  	{"connect_failure_retry_delay", PW_TYPE_INTEGER,
@@ -887,6 +889,7 @@
  	char    querystr[MAX_QUERY_LEN];
  	char    logstr[MAX_QUERY_LEN];
  	char	sqlusername[MAX_STRING_LEN];
+	VALUE_PAIR *sql_reply = NULL;

  #ifdef CISCO_ACCOUNTING_HACK
  	int     acctsessiontime = 0;
@@ -1103,6 +1106,19 @@
  			break;

  	}
+
+	radius_xlat(querystr, sizeof(querystr),  
inst->config->accounting_reply_query, request, sql_escape_func);
+	query_log(request, inst, querystr);
+
+	if (*querystr) {
+	    if(sqlsocket == NULL && (sqlsocket = sql_get_socket(inst)) == NULL)
+	    	return(RLM_MODULE_FAIL);
+
+	    sql_getvpdata(inst, sqlsocket, &sql_reply, "SELECT 4 as id, 'dayset'  
as UserName, 'Terminate-Session' as Attribute, 'Yes' as Value, '=' as op",  
PW_VP_USERDATA);
+
+	    pairxlatmove(request, &request->reply->vps, &sql_reply);
+    	    pairfree(&sql_reply);
+	    }

  	sql_release_socket(inst, sqlsocket);