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Make sure the buffer used to retrieve routing message from the kernel

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is properly aligned. This should fix PR bin/34124.
This commit is contained in:
tron 2006-08-02 13:44:53 +00:00
parent edbe853398
commit dc71fd7600
1 changed files with 8 additions and 3 deletions
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11
usr.sbin/rtadvd/rtadvd.c
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@ -1,4 +1,4 @@
/* $NetBSD: rtadvd.c,v 1.31 2006/05/11 08:35:47 mrg Exp $ */
/* $NetBSD: rtadvd.c,v 1.32 2006/08/02 13:44:53 tron Exp $ */
/* $KAME: rtadvd.c,v 1.92 2005/10/17 14:40:02 suz Exp $ */
/*
@ -330,7 +330,11 @@ rtmsg_input()
{
int n, type, ifindex = 0, plen;
size_t len;
char msg[2048], *next, *lim;
union rt_msghdr_buf {
struct rt_msghdr rt_msghdr;
char data[2048];
} buffer;
char *msg, *next, *lim;
char ifname[IF_NAMESIZE];
struct prefix *prefix;
struct rainfo *rai;
@ -338,7 +342,8 @@ rtmsg_input()
char addrbuf[INET6_ADDRSTRLEN];
int prefixchange = 0;
n = read(rtsock, msg, sizeof(msg));
n = read(rtsock, &buffer, sizeof(buffer));
msg = buffer.data;
if (dflag > 1) {
syslog(LOG_DEBUG, "<%s> received a routing message "
"(type = %d, len = %d)", __func__, rtmsg_type(msg), n);