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Check if a host argument is a IPv6 presentation format address before

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going to gethostbyname2(3).

PR:		bin/31632
MFC after:	3 days
This commit is contained in:
Crist J. Clark 2002-08-25 05:44:13 +00:00
parent 6508a194aa
commit 0b3a80af0d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102400
1 changed files with 6 additions and 6 deletions
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12
sbin/ip6fw/ip6fw.c
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@ -548,13 +548,13 @@ lookup_host (host, addr, family)
char *host;
u_char *addr;
{
struct hostent *he = gethostbyname2(host, family);
if (!he)
return(-1);
memcpy(addr, he->h_addr_list[0], he->h_length);
struct hostent *he;
if (inet_pton(family, host, addr) != 1) {
if ((he = gethostbyname2(host, family)) == NULL)
return(-1);
memcpy(addr, he->h_addr_list[0], he->h_length);
}
return(0);
}