--- tftpd/src/exec.c	2014/02/14 15:42:18	1.1.2.1
+++ tftpd/src/exec.c	2014/02/24 15:23:39	1.4
@@ -1,3 +1,90 @@
+/*************************************************************************
+* (C) 2014 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
+*  by Michael Pounov <misho@elwix.org>
+*
+* $Author: misho $
+* $Id: exec.c,v 1.4 2014/02/24 15:23:39 misho Exp $
+*
+**************************************************************************
+The ELWIX and AITNET software is distributed under the following
+terms:
+
+All of the documentation and software included in the ELWIX and AITNET
+Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
+
+Copyright 2004 - 2014
+	by Michael Pounov <misho@elwix.org>.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+This product includes software developed by Michael Pounov <misho@elwix.org>
+ELWIX - Embedded LightWeight unIX and its contributors.
+4. Neither the name of AITNET nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+*/
 #include "global.h"
+#include "exec.h"
 
 
+void *
+execProg(sched_task_t *task)
+{
+	pid_t pid, res;
+	const char *str, *addr;
+	char port[STRSIZ] = { [0 ... STRSIZ - 1] = 0 }, 
+	     opc[STRSIZ] = { [0 ... STRSIZ - 1] = 0 };
+	ait_val_t v = AIT_VAL_INITIALIZER(v);
+	int stat;
+
+	ETRACE();
+
+	str = cfg_getAttribute(&cfg, "exec_on", TASK_ARG(task));
+	if (!str)
+		taskExit(task, NULL);
+
+	switch (pid = vfork()) {
+		case -1:
+			ESYSERR(0);
+			break;
+		case 0:
+			snprintf(opc, STRSIZ, "%hu", (u_short) TASK_DATLEN(task));
+			snprintf(port, STRSIZ, "%hu", (u_short) e_n2port(&cli.addr));
+			addr = e_n2addr(&cli.addr, &v);
+			EVERBOSE(1, "Execute %s %s %s %s %s %s %s", str, (char*) TASK_ARG(task), 
+					opc, cli.file, cli.mode, addr, port);
+			execl(_PATH_BSHELL, _PATH_BSHELL, str, TASK_ARG(task), opc, 
+					cli.file, cli.mode, addr, port, NULL);
+			AIT_FREE_VAL(&v);
+			_exit(127);
+			break;
+		default:
+			EVERBOSE(2, "Wait to finish executed program %s", str);
+			do {
+				res = waitpid(pid, &stat, 0);
+			} while (res == -1 && errno == EINTR);
+			break;
+	}
+
+	taskExit(task, NULL);
+}