diff options
Diffstat (limited to 'contrib/ipfilter/ip_fil.c')
| -rw-r--r-- | contrib/ipfilter/ip_fil.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/contrib/ipfilter/ip_fil.c b/contrib/ipfilter/ip_fil.c index a4ec02c3dc51..2bb4f5a517f4 100644 --- a/contrib/ipfilter/ip_fil.c +++ b/contrib/ipfilter/ip_fil.c @@ -7,7 +7,7 @@ */ #if !defined(lint) static const char sccsid[] = "@(#)ip_fil.c 2.41 6/5/96 (C) 1993-2000 Darren Reed"; -static const char rcsid[] = "@(#)$Id: ip_fil.c,v 2.133.2.9 2005/01/08 14:22:18 darrenr Exp $"; +static const char rcsid[] = "@(#)$Id: ip_fil.c,v 2.133.2.11 2006/03/25 11:15:30 darrenr Exp $"; #endif #ifndef SOLARIS @@ -138,7 +138,7 @@ struct rtentry; #include "md5.h" -#if !defined(__osf__) +#if !defined(__osf__) && !defined(__linux__) extern struct protosw inetsw[]; #endif @@ -718,13 +718,45 @@ frdest_t *fdp; { struct ifnet *ifp = fdp->fd_ifp; ip_t *ip = fin->fin_ip; + int error = 0; + frentry_t *fr; + void *sifp; if (!ifp) return 0; /* no routing table out here */ - ip->ip_len = htons((u_short)ip->ip_len); - ip->ip_off = htons((u_short)(ip->ip_off | IP_MF)); + fr = fin->fin_fr; ip->ip_sum = 0; + + if (fin->fin_out == 0) { + sifp = fin->fin_ifp; + fin->fin_ifp = ifp; + fin->fin_out = 1; + (void) fr_acctpkt(fin, NULL); + fin->fin_fr = NULL; + if (!fr || !(fr->fr_flags & FR_RETMASK)) { + u_32_t pass; + + (void) fr_checkstate(fin, &pass); + } + + switch (fr_checknatout(fin, NULL)) + { + case 0 : + break; + case 1 : + ip->ip_sum = 0; + break; + case -1 : + error = -1; + goto done; + break; + } + + fin->fin_ifp = sifp; + fin->fin_out = 0; + } + #if defined(__sgi) && (IRIX < 60500) (*ifp->if_output)(ifp, (void *)ip, NULL); # if TRU64 >= 1885 @@ -733,7 +765,8 @@ frdest_t *fdp; (*ifp->if_output)(ifp, (void *)m, NULL, 0); # endif #endif - return 0; +done: + return error; } |