--- tftpd/src/exec.c	2014/02/14 16:01:28	1.1.2.3
+++ tftpd/src/exec.c	2014/02/17 10:12:26	1.1.2.4
@@ -5,7 +5,38 @@
 void *
 execProg(sched_task_t *task)
 {
+	pid_t pid, res;
+	const char *str;
+	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));
+			execl(_PATH_BSHELL, _PATH_BSHELL, "-c", str, TASK_ARG(task), opc, 
+					cli.file, cli.mode, e_n2addr(&cli.addr, &v), port, NULL);
+			AIT_FREE_VAL(&v);
+			_exit(127);
+			break;
+		default:
+			EVERBOSE(1, "Execute %s", str);
+			do {
+				res = waitpid(pid, &stat, 0);
+			} while (res == -1 && errno == EINTR);
+			break;
+	}
 
 	taskExit(task, NULL);
 }