1144 lines
30 KiB
C
Executable File
1144 lines
30 KiB
C
Executable File
/* $KAME: dhcp6c_script.c,v 1.11 2004/11/28 10:48:38 jinmei Exp $ */
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/*
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* Copyright (C) 2003 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/queue.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#include <netinet/in.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <errno.h>
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#include "dhcp6.h"
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#include "config.h"
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#include "common.h"
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#if defined(TCSUPPORT_CT)
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static char sipserver_str[] = "new_sip_servers";
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static char sipname_str[] = "new_sip_name";
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static char dnsserver_str[] = "new_domain_name_servers";
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static char dnsname_str[] = "new_domain_name";
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static char ntpserver_str[] = "new_ntp_servers";
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static char nisserver_str[] = "new_nis_servers";
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static char nisname_str[] = "new_nis_name";
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static char nispserver_str[] = "new_nisp_servers";
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static char nispname_str[] = "new_nisp_name";
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static char bcmcsserver_str[] = "new_bcmcs_servers";
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static char bcmcsname_str[] = "new_bcmcs_name";
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/*add for output interface name, by jlliu*/
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static char ifname_str[] = "interface";
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#if defined(TCSUPPORT_CT_DSLITE)
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static char dsliteaddr_str[] = "dslite_address";
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static char dslitename_str[] = "dslite_name";
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#endif
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static char buf[BUFSIZ];
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static char *iapd2str __P((int, struct dhcp6_listval *));
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static char *iana2str __P((int, struct dhcp6_listval *));
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int
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client6_script(scriptpath, ifname, state, optinfo)
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char *scriptpath;
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char *ifname;
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int state;
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struct dhcp6_optinfo *optinfo;
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{
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int i = 0, j, dnsservers, ntpservers, dnsnamelen, envc, elen, ret = 0;
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int sipservers, sipnamelen;
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int nisservers, nisnamelen;
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int nispservers, nispnamelen;
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int bcmcsservers, bcmcsnamelen;
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int ianas, ianalen;
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int iapds, iapdlen;
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char **envp, *s;
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char reason[] = "REASON=NBI";
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struct dhcp6_listval *v;
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struct dhcp6_listval *iaaddr;
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pid_t pid, wpid;
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#if defined(TCSUPPORT_CT_DSLITE)
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int dsliteaddrs = 0, dsliteaddrlen = 0;
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int dslitenames = 0, dslitenamelen = 0;
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#endif
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/* if a script is not specified, do nothing */
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if (scriptpath == NULL || strlen(scriptpath) == 0)
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return -1;
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/* initialize counters */
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dnsservers = 0;
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ntpservers = 0;
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dnsnamelen = 0;
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sipservers = 0;
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sipnamelen = 0;
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nisservers = 0;
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nisnamelen = 0;
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nispservers = 0;
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nispnamelen = 0;
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bcmcsservers = 0;
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bcmcsnamelen = 0;
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ianas = 0;
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ianalen = 0;
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iapds = 0;
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iapdlen = 0;
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envc = 2; /* we at least include the reason and the terminator */
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if(optinfo != NULL){
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/* count the number of variables */
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for (v = TAILQ_FIRST(&optinfo->dns_list); v; v = TAILQ_NEXT(v, link))
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dnsservers++;
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envc += dnsservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->dnsname_list); v;
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v = TAILQ_NEXT(v, link)) {
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dnsnamelen += v->val_vbuf.dv_len;
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}
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envc += dnsnamelen ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->ntp_list); v; v = TAILQ_NEXT(v, link))
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ntpservers++;
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envc += ntpservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->sip_list); v; v = TAILQ_NEXT(v, link))
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sipservers++;
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envc += sipservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->sipname_list); v;
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v = TAILQ_NEXT(v, link)) {
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sipnamelen += v->val_vbuf.dv_len;
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}
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envc += sipnamelen ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->nis_list); v; v = TAILQ_NEXT(v, link))
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nisservers++;
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envc += nisservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->nisname_list); v;
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v = TAILQ_NEXT(v, link)) {
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nisnamelen += v->val_vbuf.dv_len;
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}
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envc += nisnamelen ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->nisp_list); v; v = TAILQ_NEXT(v, link))
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nispservers++;
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envc += nispservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->nispname_list); v;
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v = TAILQ_NEXT(v, link)) {
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nispnamelen += v->val_vbuf.dv_len;
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}
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envc += nispnamelen ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->bcmcs_list); v; v = TAILQ_NEXT(v, link))
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bcmcsservers++;
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envc += bcmcsservers ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->bcmcsname_list); v;
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v = TAILQ_NEXT(v, link)) {
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bcmcsnamelen += v->val_vbuf.dv_len;
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}
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envc += bcmcsnamelen ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->iapd_list); v; v = TAILQ_NEXT(v, link))
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iapds++;
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envc += iapds;
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for (v = TAILQ_FIRST(&optinfo->iana_list); v; v = TAILQ_NEXT(v, link))
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ianas++;
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envc += ianas;
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envc +=1; /*for interface name*/
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#if defined(TCSUPPORT_CT_DSLITE)
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for (v = TAILQ_FIRST(&optinfo->dsliteaddr_list); v; v = TAILQ_NEXT(v, link))
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dsliteaddrs++;
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envc += dsliteaddrs ? 1 : 0;
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for (v = TAILQ_FIRST(&optinfo->dslitename_list); v; v = TAILQ_NEXT(v, link)) {
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dslitenamelen += v->val_vbuf.dv_len;
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dprintf(LOG_NOTICE, FNAME,
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"get dslite name");
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}
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envc += dslitenamelen ? 1 : 0;
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#endif
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/* allocate an environments array */
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if ((envp = malloc(sizeof (char *) * envc)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate environment buffer");
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return -1;
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}
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memset(envp, 0, sizeof (char *) * envc);
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/*
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* Copy the parameters as environment variables
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*/
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i = 0;
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/* reason */
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if ((envp[i++] = strdup(reason)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate reason strings");
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ret = -1;
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goto clean;
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}
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/* "var=addr1 addr2 ... addrN" + null char for termination */
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if (dnsservers) {
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elen = sizeof (dnsserver_str) +
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(INET6_ADDRSTRLEN + 1) * dnsservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for DNS servers");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", dnsserver_str);
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for (v = TAILQ_FIRST(&optinfo->dns_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
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}
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}
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if (ntpservers) {
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elen = sizeof (ntpserver_str) +
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(INET6_ADDRSTRLEN + 1) * ntpservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for NTP servers");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", ntpserver_str);
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for (v = TAILQ_FIRST(&optinfo->ntp_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
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}
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}
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if (dnsnamelen) {
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elen = sizeof (dnsname_str) + dnsnamelen + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for DNS name");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", dnsname_str);
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for (v = TAILQ_FIRST(&optinfo->dnsname_list); v;
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v = TAILQ_NEXT(v, link)) {
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strlcat(s, v->val_vbuf.dv_buf, elen);
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strlcat(s, " ", elen);
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}
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}
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if (sipservers) {
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elen = sizeof (sipserver_str) +
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(INET6_ADDRSTRLEN + 1) * sipservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for SIP servers");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", sipserver_str);
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for (v = TAILQ_FIRST(&optinfo->sip_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
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}
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}
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if (sipnamelen) {
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elen = sizeof (sipname_str) + sipnamelen + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for SIP domain name");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", sipname_str);
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for (v = TAILQ_FIRST(&optinfo->sipname_list); v;
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v = TAILQ_NEXT(v, link)) {
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strlcat(s, v->val_vbuf.dv_buf, elen);
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strlcat(s, " ", elen);
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}
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}
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if (nisservers) {
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elen = sizeof (nisserver_str) +
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(INET6_ADDRSTRLEN + 1) * nisservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for NIS servers");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", nisserver_str);
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for (v = TAILQ_FIRST(&optinfo->nis_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
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}
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}
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if (nisnamelen) {
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elen = sizeof (nisname_str) + nisnamelen + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for NIS domain name");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", nisname_str);
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for (v = TAILQ_FIRST(&optinfo->nisname_list); v;
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v = TAILQ_NEXT(v, link)) {
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strlcat(s, v->val_vbuf.dv_buf, elen);
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strlcat(s, " ", elen);
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}
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}
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if (nispservers) {
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elen = sizeof (nispserver_str) +
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(INET6_ADDRSTRLEN + 1) * nispservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for NIS+ servers");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", nispserver_str);
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for (v = TAILQ_FIRST(&optinfo->nisp_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
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}
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}
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if (nispnamelen) {
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elen = sizeof (nispname_str) + nispnamelen + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for NIS+ domain name");
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ret = -1;
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goto clean;
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}
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", nispname_str);
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for (v = TAILQ_FIRST(&optinfo->nispname_list); v;
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v = TAILQ_NEXT(v, link)) {
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strlcat(s, v->val_vbuf.dv_buf, elen);
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strlcat(s, " ", elen);
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}
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}
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|
|
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if (bcmcsservers) {
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elen = sizeof (bcmcsserver_str) +
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(INET6_ADDRSTRLEN + 1) * bcmcsservers + 1;
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if ((s = envp[i++] = malloc(elen)) == NULL) {
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dprintf(LOG_NOTICE, FNAME,
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"failed to allocate strings for BCMC servers");
|
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ret = -1;
|
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goto clean;
|
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}
|
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memset(s, 0, elen);
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snprintf(s, elen, "%s=", bcmcsserver_str);
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for (v = TAILQ_FIRST(&optinfo->bcmcs_list); v;
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v = TAILQ_NEXT(v, link)) {
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char *addr;
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|
|
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addr = in6addr2str(&v->val_addr6, 0);
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strlcat(s, addr, elen);
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strlcat(s, " ", elen);
|
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}
|
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}
|
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if (bcmcsnamelen) {
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elen = sizeof (bcmcsname_str) + bcmcsnamelen + 1;
|
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if ((s = envp[i++] = malloc(elen)) == NULL) {
|
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dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for BCMC domain name");
|
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ret = -1;
|
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goto clean;
|
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}
|
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memset(s, 0, elen);
|
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snprintf(s, elen, "%s=", bcmcsname_str);
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for (v = TAILQ_FIRST(&optinfo->bcmcsname_list); v;
|
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v = TAILQ_NEXT(v, link)) {
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strlcat(s, v->val_vbuf.dv_buf, elen);
|
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strlcat(s, " ", elen);
|
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}
|
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}
|
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/* IAs */
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j = 0;
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for (v = TAILQ_FIRST(&optinfo->iapd_list); v;
|
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v = TAILQ_NEXT(v, link)) {
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if ((s = envp[i++] = iapd2str(j++, v)) == NULL) {
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ret = -1;
|
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goto clean;
|
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}
|
|
}
|
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j = 0;
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for (v = TAILQ_FIRST(&optinfo->iana_list); v;
|
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v = TAILQ_NEXT(v, link)) {
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if ((s = envp[i++] = iana2str(j++, v)) == NULL) {
|
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ret = -1;
|
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goto clean;
|
|
}
|
|
}
|
|
|
|
#if defined(TCSUPPORT_CT_DSLITE)
|
|
if (dsliteaddrs) {
|
|
elen = sizeof (dsliteaddr_str) +
|
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(INET6_ADDRSTRLEN + 1) * dsliteaddrs + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for dslite address");
|
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ret = -1;
|
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goto clean;
|
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}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dsliteaddr_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dsliteaddr_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (dslitenamelen) {
|
|
elen = sizeof (dslitename_str) + dslitenamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for DNS name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dslitename_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dslitename_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
|
|
}
|
|
#endif
|
|
}
|
|
else{
|
|
envc +=1; /*for interface name*/
|
|
dprintf(LOG_ERR, FNAME, "script Step 0,envc:%d", envc);
|
|
|
|
/* allocate an environments array */
|
|
if ((envp = malloc(sizeof (char *) * envc)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate environment buffer");
|
|
return -1;
|
|
}
|
|
memset(envp, 0, sizeof (char *) * envc);
|
|
|
|
/*
|
|
* Copy the parameters as environment variables
|
|
*/
|
|
i = 0;
|
|
/* reason */
|
|
if ((envp[i++] = strdup(reason)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate reason strings");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
}
|
|
|
|
if(ifname == NULL || strlen(ifname) == 0){
|
|
dprintf(LOG_ERR, FNAME, "failed to get interface name!");
|
|
goto clean;
|
|
}
|
|
elen = sizeof (ifname_str) + 1 + strlen(ifname) + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate string for interface name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=%s", ifname_str, ifname);
|
|
|
|
/* launch the script */
|
|
pid = fork();
|
|
if (pid < 0) {
|
|
dprintf(LOG_ERR, FNAME, "failed to fork: %s", strerror(errno));
|
|
ret = -1;
|
|
goto clean;
|
|
} else if (pid) {
|
|
int wstatus;
|
|
|
|
do {
|
|
wpid = wait(&wstatus);
|
|
} while (wpid != pid && wpid > 0);
|
|
|
|
if (wpid < 0)
|
|
dprintf(LOG_ERR, FNAME, "wait: %s", strerror(errno));
|
|
else {
|
|
dprintf(LOG_DEBUG, FNAME,
|
|
"script \"%s\" terminated", scriptpath);
|
|
}
|
|
} else {
|
|
char *argv[3];
|
|
char str_state[10] = {0};
|
|
int fd;
|
|
|
|
argv[0] = scriptpath;
|
|
if(DHCP6S_RELEASE == state){
|
|
strcpy(str_state, "release");
|
|
}
|
|
else{
|
|
strcpy(str_state, "renew");
|
|
}
|
|
argv[1] = str_state;
|
|
argv[2] = NULL;
|
|
|
|
if (safefile(scriptpath)) {
|
|
dprintf(LOG_ERR, FNAME,
|
|
"script \"%s\" cannot be executed safely",
|
|
scriptpath);
|
|
//exit(1);
|
|
}
|
|
|
|
if (foreground == 0 && (fd = open("/dev/null", O_RDWR)) != -1) {
|
|
dup2(fd, STDIN_FILENO);
|
|
dup2(fd, STDOUT_FILENO);
|
|
dup2(fd, STDERR_FILENO);
|
|
if (fd > STDERR_FILENO)
|
|
close(fd);
|
|
}
|
|
|
|
|
|
execve(scriptpath, argv, envp);
|
|
|
|
dprintf(LOG_ERR, FNAME, "child: exec failed: %s",
|
|
strerror(errno));
|
|
exit(0);
|
|
}
|
|
|
|
clean:
|
|
for (i = 0; i < envc; i++)
|
|
free(envp[i]);
|
|
free(envp);
|
|
|
|
return ret;
|
|
}
|
|
static char *
|
|
iapd2str(num, iav)
|
|
int num;
|
|
struct dhcp6_listval *iav;
|
|
{
|
|
struct dhcp6_listval *siav;
|
|
char *s, *r, *comma;
|
|
|
|
s = buf;
|
|
memset(s, 0, BUFSIZ);
|
|
|
|
snprintf(s, BUFSIZ, "iapd_%d=", num);
|
|
comma = "";
|
|
|
|
for (siav = TAILQ_FIRST(&iav->sublist); siav;
|
|
siav = TAILQ_NEXT(siav, link)) {
|
|
switch (siav->type) {
|
|
case DHCP6_LISTVAL_PREFIX6:
|
|
snprintf(s + strlen(s), BUFSIZ - strlen(s),
|
|
"%s%s/%d", comma,
|
|
in6addr2str(&siav->val_prefix6.addr, 0),
|
|
siav->val_prefix6.plen);
|
|
comma = ",";
|
|
break;
|
|
|
|
case DHCP6_LISTVAL_STCODE:
|
|
#if 0
|
|
snprintf(s + strlen(s), BUFSIZ - strlen(s),
|
|
"%s#%d", comma, siav->val_num16);
|
|
comma = ",";
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
dprintf(LOG_ERR, FNAME, "impossible subopt");
|
|
}
|
|
}
|
|
|
|
if ((r = strdup(s)) == NULL)
|
|
dprintf(LOG_ERR, FNAME, "failed to allocate iapd_%d", num);
|
|
dprintf(LOG_ERR, FNAME, "\n%s\n", r);
|
|
return r;
|
|
}
|
|
|
|
static char *
|
|
iana2str(num, iav)
|
|
int num;
|
|
struct dhcp6_listval *iav;
|
|
{
|
|
struct dhcp6_listval *siav;
|
|
char *s, *r, *comma;
|
|
|
|
s = buf;
|
|
memset(s, 0, BUFSIZ);
|
|
|
|
snprintf(s, BUFSIZ, "iana_%d=", num);
|
|
comma = "";
|
|
|
|
for (siav = TAILQ_FIRST(&iav->sublist); siav;
|
|
siav = TAILQ_NEXT(siav, link)) {
|
|
switch (siav->type) {
|
|
case DHCP6_LISTVAL_STATEFULADDR6:
|
|
snprintf(s + strlen(s), BUFSIZ - strlen(s),
|
|
"%s%s", comma,
|
|
in6addr2str(&siav->val_statefuladdr6.addr, 0));
|
|
comma = ",";
|
|
break;
|
|
|
|
case DHCP6_LISTVAL_STCODE:
|
|
#if 0
|
|
snprintf(s + strlen(s), BUFSIZ - strlen(s),
|
|
"%s#%d", comma, siav->val_num16);
|
|
comma = ",";
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
dprintf(LOG_ERR, FNAME, "impossible subopt");
|
|
}
|
|
}
|
|
|
|
if ((r = strdup(s)) == NULL)
|
|
dprintf(LOG_ERR, FNAME, "failed to allocate iana_%d", num);
|
|
dprintf(LOG_ERR, FNAME, "\n%s\n", r);
|
|
return r;
|
|
}
|
|
#else
|
|
static char sipserver_str[] = "new_sip_servers";
|
|
static char sipname_str[] = "new_sip_name";
|
|
static char dnsserver_str[] = "new_domain_name_servers";
|
|
static char dnsname_str[] = "new_domain_name";
|
|
static char ntpserver_str[] = "new_ntp_servers";
|
|
static char nisserver_str[] = "new_nis_servers";
|
|
static char nisname_str[] = "new_nis_name";
|
|
static char nispserver_str[] = "new_nisp_servers";
|
|
static char nispname_str[] = "new_nisp_name";
|
|
static char bcmcsserver_str[] = "new_bcmcs_servers";
|
|
static char bcmcsname_str[] = "new_bcmcs_name";
|
|
#if defined(TCSUPPORT_CT_DHCP6_OPTION)
|
|
static char vendoropts_str[] = "vendor_opts";
|
|
#endif
|
|
#ifdef TCSUPPORT_DSLITE
|
|
static char dsliteaddr_str[] = "dslite_address";
|
|
static char dslitename_str[] = "dslite_name";
|
|
#endif
|
|
|
|
|
|
int
|
|
client6_script(scriptpath, infopath, state, optinfo)
|
|
char *scriptpath;
|
|
char *infopath;
|
|
int state;
|
|
struct dhcp6_optinfo *optinfo;
|
|
{
|
|
int i, dnsservers, ntpservers, dnsnamelen, envc, elen, ret = 0;
|
|
int sipservers, sipnamelen;
|
|
int nisservers, nisnamelen;
|
|
int nispservers, nispnamelen;
|
|
int bcmcsservers, bcmcsnamelen;
|
|
#if defined(TCSUPPORT_CT_DHCP6_OPTION)
|
|
int vendoropts = 0, vendoroptslen = 0;
|
|
#endif
|
|
#ifdef TCSUPPORT_DSLITE
|
|
int dsliteaddrs = 0, dsliteaddrlen = 0;
|
|
int dslitenames = 0, dslitenamelen = 0;
|
|
#endif
|
|
char **envp, *s;
|
|
char reason[] = "REASON=NBI";
|
|
struct dhcp6_listval *v;
|
|
pid_t pid, wpid;
|
|
|
|
/* if a script is not specified, do nothing */
|
|
if (scriptpath == NULL || strlen(scriptpath) == 0)
|
|
return -1;
|
|
|
|
/* initialize counters */
|
|
dnsservers = 0;
|
|
ntpservers = 0;
|
|
dnsnamelen = 0;
|
|
sipservers = 0;
|
|
sipnamelen = 0;
|
|
nisservers = 0;
|
|
nisnamelen = 0;
|
|
nispservers = 0;
|
|
nispnamelen = 0;
|
|
bcmcsservers = 0;
|
|
bcmcsnamelen = 0;
|
|
envc = 2; /* we at least include the reason and the terminator */
|
|
|
|
/* count the number of variables */
|
|
for (v = TAILQ_FIRST(&optinfo->dns_list); v; v = TAILQ_NEXT(v, link))
|
|
dnsservers++;
|
|
envc += dnsservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->dnsname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
dnsnamelen += v->val_vbuf.dv_len;
|
|
}
|
|
envc += dnsnamelen ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->ntp_list); v; v = TAILQ_NEXT(v, link))
|
|
ntpservers++;
|
|
envc += ntpservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->sip_list); v; v = TAILQ_NEXT(v, link))
|
|
sipservers++;
|
|
envc += sipservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->sipname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
sipnamelen += v->val_vbuf.dv_len;
|
|
}
|
|
envc += sipnamelen ? 1 : 0;
|
|
|
|
for (v = TAILQ_FIRST(&optinfo->nis_list); v; v = TAILQ_NEXT(v, link))
|
|
nisservers++;
|
|
envc += nisservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->nisname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
nisnamelen += v->val_vbuf.dv_len;
|
|
}
|
|
envc += nisnamelen ? 1 : 0;
|
|
|
|
for (v = TAILQ_FIRST(&optinfo->nisp_list); v; v = TAILQ_NEXT(v, link))
|
|
nispservers++;
|
|
envc += nispservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->nispname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
nispnamelen += v->val_vbuf.dv_len;
|
|
}
|
|
envc += nispnamelen ? 1 : 0;
|
|
|
|
for (v = TAILQ_FIRST(&optinfo->bcmcs_list); v; v = TAILQ_NEXT(v, link))
|
|
bcmcsservers++;
|
|
envc += bcmcsservers ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->bcmcsname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
bcmcsnamelen += v->val_vbuf.dv_len;
|
|
}
|
|
envc += bcmcsnamelen ? 1 : 0;
|
|
#if defined(TCSUPPORT_CT_DHCP6_OPTION)
|
|
for (v = TAILQ_FIRST(&optinfo->option17_list); v; v = TAILQ_NEXT(v, link)) {
|
|
vendoroptslen += v->val_vbuf.dv_len;
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"get vendor opts");
|
|
}
|
|
envc += vendoroptslen ? 1 : 0;
|
|
#endif
|
|
#ifdef TCSUPPORT_DSLITE
|
|
for (v = TAILQ_FIRST(&optinfo->dsliteaddr_list); v; v = TAILQ_NEXT(v, link))
|
|
dsliteaddrs++;
|
|
envc += dsliteaddrs ? 1 : 0;
|
|
for (v = TAILQ_FIRST(&optinfo->dslitename_list); v; v = TAILQ_NEXT(v, link)) {
|
|
dslitenamelen += v->val_vbuf.dv_len;
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"get dslite name");
|
|
}
|
|
envc += dslitenamelen ? 1 : 0;
|
|
#endif
|
|
|
|
|
|
/* allocate an environments array */
|
|
if ((envp = malloc(sizeof (char *) * envc)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate environment buffer");
|
|
return -1;
|
|
}
|
|
memset(envp, 0, sizeof (char *) * envc);
|
|
|
|
/*
|
|
* Copy the parameters as environment variables
|
|
*/
|
|
i = 0;
|
|
/* reason */
|
|
if ((envp[i++] = strdup(reason)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate reason strings");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
/* "var=addr1 addr2 ... addrN" + null char for termination */
|
|
if (dnsservers) {
|
|
elen = sizeof (dnsserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * dnsservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for DNS servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dnsserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dns_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (ntpservers) {
|
|
elen = sizeof (ntpserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * ntpservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for NTP servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", ntpserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->ntp_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
|
|
if (dnsnamelen) {
|
|
elen = sizeof (dnsname_str) + dnsnamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for DNS name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dnsname_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dnsname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
|
|
if (sipservers) {
|
|
elen = sizeof (sipserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * sipservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for SIP servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", sipserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->sip_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (sipnamelen) {
|
|
elen = sizeof (sipname_str) + sipnamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for SIP domain name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", sipname_str);
|
|
for (v = TAILQ_FIRST(&optinfo->sipname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
|
|
if (nisservers) {
|
|
elen = sizeof (nisserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * nisservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for NIS servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", nisserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->nis_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (nisnamelen) {
|
|
elen = sizeof (nisname_str) + nisnamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for NIS domain name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", nisname_str);
|
|
for (v = TAILQ_FIRST(&optinfo->nisname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
|
|
if (nispservers) {
|
|
elen = sizeof (nispserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * nispservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for NIS+ servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", nispserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->nisp_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (nispnamelen) {
|
|
elen = sizeof (nispname_str) + nispnamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for NIS+ domain name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", nispname_str);
|
|
for (v = TAILQ_FIRST(&optinfo->nispname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
|
|
if (bcmcsservers) {
|
|
elen = sizeof (bcmcsserver_str) +
|
|
(INET6_ADDRSTRLEN + 1) * bcmcsservers + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for BCMC servers");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", bcmcsserver_str);
|
|
for (v = TAILQ_FIRST(&optinfo->bcmcs_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (bcmcsnamelen) {
|
|
elen = sizeof (bcmcsname_str) + bcmcsnamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for BCMC domain name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", bcmcsname_str);
|
|
for (v = TAILQ_FIRST(&optinfo->bcmcsname_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
#if defined(TCSUPPORT_CT_DHCP6_OPTION)
|
|
if (vendoroptslen) {
|
|
elen = sizeof (vendoropts_str) + vendoroptslen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for vendor opts");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", vendoropts_str);
|
|
for (v = TAILQ_FIRST(&optinfo->option17_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef TCSUPPORT_DSLITE
|
|
if (dsliteaddrs) {
|
|
elen = sizeof (dsliteaddr_str) +
|
|
(INET6_ADDRSTRLEN + 1) * dsliteaddrs + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for dslite address");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dsliteaddr_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dsliteaddr_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
char *addr;
|
|
|
|
addr = in6addr2str(&v->val_addr6, 0);
|
|
strlcat(s, addr, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
}
|
|
if (dslitenamelen) {
|
|
elen = sizeof (dslitename_str) + dslitenamelen + 1;
|
|
if ((s = envp[i++] = malloc(elen)) == NULL) {
|
|
dprintf(LOG_NOTICE, FNAME,
|
|
"failed to allocate strings for DNS name");
|
|
ret = -1;
|
|
goto clean;
|
|
}
|
|
memset(s, 0, elen);
|
|
snprintf(s, elen, "%s=", dslitename_str);
|
|
for (v = TAILQ_FIRST(&optinfo->dslitename_list); v;
|
|
v = TAILQ_NEXT(v, link)) {
|
|
strlcat(s, v->val_vbuf.dv_buf, elen);
|
|
strlcat(s, " ", elen);
|
|
}
|
|
|
|
}
|
|
#endif
|
|
|
|
/* launch the script */
|
|
pid = fork();
|
|
if (pid < 0) {
|
|
dprintf(LOG_ERR, FNAME, "failed to fork: %s", strerror(errno));
|
|
ret = -1;
|
|
goto clean;
|
|
} else if (pid) {
|
|
int wstatus;
|
|
|
|
do {
|
|
wpid = wait(&wstatus);
|
|
} while (wpid != pid && wpid > 0);
|
|
|
|
if (wpid < 0)
|
|
dprintf(LOG_ERR, FNAME, "wait: %s", strerror(errno));
|
|
else {
|
|
dprintf(LOG_DEBUG, FNAME,
|
|
"script \"%s\" terminated", scriptpath);
|
|
}
|
|
} else {
|
|
char *argv[2];
|
|
int fd;
|
|
|
|
argv[0] = scriptpath;
|
|
argv[1] = infopath;
|
|
argv[2] = NULL;
|
|
|
|
if (safefile(scriptpath)) {
|
|
dprintf(LOG_ERR, FNAME,
|
|
"script \"%s\" cannot be executed safely",
|
|
scriptpath);
|
|
//exit(1);
|
|
}
|
|
|
|
if (foreground == 0 && (fd = open("/dev/null", O_RDWR)) != -1) {
|
|
dup2(fd, STDIN_FILENO);
|
|
dup2(fd, STDOUT_FILENO);
|
|
dup2(fd, STDERR_FILENO);
|
|
if (fd > STDERR_FILENO)
|
|
close(fd);
|
|
}
|
|
|
|
execve(scriptpath, argv, envp);
|
|
|
|
dprintf(LOG_ERR, FNAME, "child: exec failed: %s",
|
|
strerror(errno));
|
|
exit(0);
|
|
}
|
|
|
|
clean:
|
|
for (i = 0; i < envc; i++)
|
|
free(envp[i]);
|
|
free(envp);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|