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reject option in ip_fw used to panic the system. This fixes it.

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-Guido
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This commit is contained in:
Guido van Rooij 1995-06-27 17:26:27 +00:00
parent a62dc40654
commit a0aa52a646
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=9338
2 changed files with 9 additions and 15 deletions
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20
sys/netinet/ip_fw.c
View File

@ -309,24 +309,15 @@ bad_packet:
* packets....:)
*/
if (f_prt==IP_FW_F_ICMP)
return 0;
goto return_0;
/*
* Reply to packets rejected
* by entry with this flag
* set only.
*/
if (!(f->fw_flg&IP_FW_F_ICMPRPL))
return 0;
m = m_get(M_DONTWAIT, MT_SOOPTS);
/*
* We never retry,we don't want to
* waste time-it is not so critical
* if ICMP unsent.
*/
if (!m)
return 0;
m->m_len = sizeof(struct ip)+64;
bcopy((caddr_t)ip,mtod(m, caddr_t),(unsigned)m->m_len);
goto return_0;
m = dtom(ip);
if (f_prt==IP_FW_F_ALL)
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0L, 0);
else
@ -337,8 +328,11 @@ bad_packet:
* If global icmp flag set we will do
* something here...later..
*/
return 0;
return_0;
}
return_0:
m_freem(m);
return 0;
good_packet:
return 1;
}

4
sys/netinet/ip_input.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_input.c 8.2 (Berkeley) 1/4/94
* $Id: ip_input.c,v 1.21 1995/05/11 00:13:18 wollman Exp $
* $Id: ip_input.c,v 1.23 1995/06/13 17:51:10 wollman Exp $
*/
#include <sys/param.h>
@ -243,7 +243,7 @@ next:
if (ip_fw_chk_ptr!=NULL)
if (!(*ip_fw_chk_ptr)(ip,m->m_pkthdr.rcvif,ip_fw_chain) ) {
goto bad;
goto next;
}
/*