File:  [ELWIX - Embedded LightWeight unIX -] / tftpd / src / exec.c
Revision 1.5: download - view: text, annotated - select for diffs - revision graph
Mon Feb 24 22:28:54 2014 UTC (10 years, 4 months ago) by misho
Branches: MAIN
CVS tags: tftp1_3, TFTP1_2, HEAD
version 1.2

    1: /*************************************************************************
    2: * (C) 2014 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
    3: *  by Michael Pounov <misho@elwix.org>
    4: *
    5: * $Author: misho $
    6: * $Id: exec.c,v 1.5 2014/02/24 22:28:54 misho Exp $
    7: *
    8: **************************************************************************
    9: The ELWIX and AITNET software is distributed under the following
   10: terms:
   11: 
   12: All of the documentation and software included in the ELWIX and AITNET
   13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   14: 
   15: Copyright 2004 - 2014
   16: 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
   17: 
   18: Redistribution and use in source and binary forms, with or without
   19: modification, are permitted provided that the following conditions
   20: are met:
   21: 1. Redistributions of source code must retain the above copyright
   22:    notice, this list of conditions and the following disclaimer.
   23: 2. Redistributions in binary form must reproduce the above copyright
   24:    notice, this list of conditions and the following disclaimer in the
   25:    documentation and/or other materials provided with the distribution.
   26: 3. All advertising materials mentioning features or use of this software
   27:    must display the following acknowledgement:
   28: This product includes software developed by Michael Pounov <misho@elwix.org>
   29: ELWIX - Embedded LightWeight unIX and its contributors.
   30: 4. Neither the name of AITNET nor the names of its contributors
   31:    may be used to endorse or promote products derived from this software
   32:    without specific prior written permission.
   33: 
   34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
   35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   44: SUCH DAMAGE.
   45: */
   46: #include "global.h"
   47: #include "exec.h"
   48: 
   49: 
   50: void *
   51: execProg(sched_task_t *task)
   52: {
   53: 	pid_t pid, res;
   54: 	const char *str, *addr;
   55: 	char port[STRSIZ] = { [0 ... STRSIZ - 1] = 0 }, 
   56: 	     opc[STRSIZ] = { [0 ... STRSIZ - 1] = 0 };
   57: 	ait_val_t v = AIT_VAL_INITIALIZER(v);
   58: 	int stat;
   59: 
   60: 	ETRACE();
   61: 
   62: 	str = cfg_getAttribute(&cfg, "exec_on", TASK_ARG(task));
   63: 	if (!str)
   64: 		taskExit(task, NULL);
   65: 
   66: 	switch (pid = vfork()) {
   67: 		case -1:
   68: 			ESYSERR(0);
   69: 			break;
   70: 		case 0:
   71: 			snprintf(opc, STRSIZ, "%hu", (u_short) TASK_DATLEN(task));
   72: 			snprintf(port, STRSIZ, "%hu", (u_short) e_n2port(&cli.addr));
   73: 			addr = e_n2addr(&cli.addr, &v);
   74: 			EVERBOSE(1, "Execute %s %s %s %s %s %s %s", str, (char*) TASK_ARG(task), 
   75: 					opc, cli.file, cli.mode, addr, port);
   76: 			execl(_PATH_BSHELL, _PATH_BSHELL, str, TASK_ARG(task), opc, 
   77: 					cli.file, cli.mode, addr, port, NULL);
   78: 			AIT_FREE_VAL(&v);
   79: 			_exit(127);
   80: 			break;
   81: 		default:
   82: 			EVERBOSE(2, "Wait to finish executed program %s", str);
   83: 			do {
   84: 				res = waitpid(pid, &stat, 0);
   85: 			} while (res == -1 && errno == EINTR);
   86: 			break;
   87: 	}
   88: 
   89: 	taskExit(task, NULL);
   90: }
   91: 
   92: void *
   93: Reboot(sched_task_t *task)
   94: {
   95: 	ETRACE();
   96: 
   97: 	reboot(RB_NOSYNC);
   98: 
   99: 	taskExit(task, NULL);
  100: }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>