Expose a DNS query API that allows callers to request DNS results from
a specific address family.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
}
#endif /* MOUNT_CONFIG */
}
#endif /* MOUNT_CONFIG */
-static int nfs_lookup(const char *hostname, const sa_family_t family,
- struct sockaddr *sap, socklen_t *salen)
+/**
+ * nfs_lookup - resolve hostname to an IPv4 or IPv6 socket address
+ * @hostname: pointer to C string containing DNS hostname to resolve
+ * @family: address family hint
+ * @sap: pointer to buffer to fill with socket address
+ * @len: IN: size of buffer to fill; OUT: size of socket address
+ *
+ * Returns 1 and places a socket address at @sap if successful;
+ * otherwise zero.
+ */
+int nfs_lookup(const char *hostname, const sa_family_t family,
+ struct sockaddr *sap, socklen_t *salen)
{
struct addrinfo *gai_results;
struct addrinfo gai_hint = {
{
struct addrinfo *gai_results;
struct addrinfo gai_hint = {
const socklen_t, struct pmap *);
int nfs_gethostbyname(const char *, struct sockaddr_in *);
int nfs_name_to_address(const char *, struct sockaddr *, socklen_t *);
const socklen_t, struct pmap *);
int nfs_gethostbyname(const char *, struct sockaddr_in *);
int nfs_name_to_address(const char *, struct sockaddr *, socklen_t *);
+int nfs_lookup(const char *hostname, const sa_family_t family,
+ struct sockaddr *sap, socklen_t *salen);
int nfs_string_to_sockaddr(const char *, struct sockaddr *, socklen_t *);
int nfs_present_sockaddr(const struct sockaddr *,
const socklen_t, char *, const size_t);
int nfs_string_to_sockaddr(const char *, struct sockaddr *, socklen_t *);
int nfs_present_sockaddr(const struct sockaddr *,
const socklen_t, char *, const size_t);