linux/fs/smb/client/dns_resolve.c

// SPDX-License-Identifier: LGPL-2.1
/*
 *
 *   Copyright (c) 2007 Igor Mammedov
 *   Author(s): Igor Mammedov ([email protected])
 *              Steve French ([email protected])
 *              Wang Lei ([email protected])
 *		David Howells ([email protected])
 *
 *   Contains the CIFS DFS upcall routines used for hostname to
 *   IP address translation.
 *
 */

#include <linux/inet.h>
#include <linux/slab.h>
#include <linux/dns_resolver.h>
#include "dns_resolve.h"
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_debug.h"

/**
 * dns_resolve_server_name_to_ip - Resolve UNC server name to ip address.
 * @unc: UNC path specifying the server (with '/' as delimiter)
 * @ip_addr: Where to return the IP address.
 * @expiry: Where to return the expiry time for the dns record.
 *
 * Returns zero success, -ve on error.
 */
int
dns_resolve_server_name_to_ip(const char *unc, struct sockaddr *ip_addr, time64_t *expiry)
{ … }