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995. [bug] dig, host, nslookup: using a raw IPv6 address as a

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target address should be fatal on a IPv4 only system.
This commit is contained in:
Mark Andrews 2001-09-14 06:31:40 +00:00
parent d4196128b3
commit da5795a32a
1 changed files with 10 additions and 9 deletions
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19
bin/dig/dighost.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dighost.c,v 1.224 2001/09/12 00:22:53 gson Exp $ */
/* $Id: dighost.c,v 1.225 2001/09/14 06:31:40 marka Exp $ */
/*
* Notice to programmers: Do not use this code as an example of how to
@ -2512,15 +2512,16 @@ get_address(char *host, in_port_t port, isc_sockaddr_t *sockaddr) {
debug("get_address()");
/*
* Assume we have v4 if we don't have v6, since setup_libs
* fatal()'s out if we don't have either.
*/
if (have_ipv6 && inet_pton(AF_INET6, host, &in6) == 1)
if (inet_pton(AF_INET6, host, &in6) == 1) {
if (!have_ipv6)
fatal("Protocol family INET6 not supported '%s'", host);
isc_sockaddr_fromin6(sockaddr, &in6, port);
else if (inet_pton(AF_INET, host, &in4) == 1)
isc_sockaddr_fromin(sockaddr, &in4, port);
else {
} else if (inet_pton(AF_INET, host, &in4) == 1) {
if (have_ipv4)
isc_sockaddr_fromin(sockaddr, &in4, port);
else
isc_sockaddr_v6fromin(sockaddr, &in4, port);
} else {
#ifdef USE_GETADDRINFO
memset(&hints, 0, sizeof(hints));
if (!have_ipv6)