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authorFlorian Weimer <fweimer@redhat.com>2016-10-04 11:52:10 +0200
committerFlorian Weimer <fweimer@redhat.com>2016-12-31 18:55:14 +0100
commitb76e065991ec01299225d9da90a627ebe6c1ac97 (patch)
treeac94cc82b134096975419ced320f6ed329130756 /resolv/nss_dns
parentresolv: Add beginnings of a libresolv test suite (diff)
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resolv: Deprecate the "inet6" option and RES_USE_INET6 [BZ #19582]
Diffstat (limited to 'resolv/nss_dns')
-rw-r--r--resolv/nss_dns/dns-host.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index c1333b816b..901e037451 100644
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -81,7 +81,8 @@
#include "nsswitch.h"
-/* Get implementation for some internal functions. */
+/* Get implementeation for some internal functions. */
+#include <resolv/resolv-internal.h>
#include <resolv/mapv4v6addr.h>
#include <resolv/mapv4v6hostent.h>
@@ -232,7 +233,7 @@ _nss_dns_gethostbyname3_r (const char *name, int af, struct hostent *result,
/* If we are looking for an IPv6 address and mapping is enabled
by having the RES_USE_INET6 bit in _res.options set, we try
another lookup. */
- if (af == AF_INET6 && (_res.options & RES_USE_INET6))
+ if (af == AF_INET6 && res_use_inet6 ())
n = __libc_res_nsearch (&_res, name, C_IN, T_A, host_buffer.buf->buf,
host_buffer.buf != orig_host_buffer
? MAXPACKET : 1024, &host_buffer.ptr,
@@ -277,7 +278,7 @@ _nss_dns_gethostbyname_r (const char *name, struct hostent *result,
{
enum nss_status status = NSS_STATUS_NOTFOUND;
- if (_res.options & RES_USE_INET6)
+ if (res_use_inet6 ())
status = _nss_dns_gethostbyname3_r (name, AF_INET6, result, buffer,
buflen, errnop, h_errnop, NULL, NULL);
if (status == NSS_STATUS_NOTFOUND)
@@ -503,17 +504,6 @@ _nss_dns_gethostbyaddr2_r (const void *addr, socklen_t len, int af,
memcpy (host_data->host_addr, addr, len);
host_data->h_addr_ptrs[0] = (char *) host_data->host_addr;
host_data->h_addr_ptrs[1] = NULL;
-#if 0
- /* XXX I think this is wrong. Why should an IPv4 address be
- converted to IPv6 if the user explicitly asked for IPv4? */
- if (af == AF_INET && (_res.options & RES_USE_INET6))
- {
- map_v4v6_address ((char *) host_data->host_addr,
- (char *) host_data->host_addr);
- result->h_addrtype = AF_INET6;
- result->h_length = IN6ADDRSZ;
- }
-#endif
*h_errnop = NETDB_SUCCESS;
return NSS_STATUS_SUCCESS;
}