42 lines
881 B
C
42 lines
881 B
C
/* SPDX-License-Identifier: LGPL-2.1 */
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/*
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* DNS Resolver upcall management for CIFS DFS
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* Handles host name to IP address resolution
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*
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* Copyright (c) International Business Machines Corp., 2008
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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*/
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#ifndef _DNS_RESOLVE_H
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#define _DNS_RESOLVE_H
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#include <linux/net.h>
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#include "cifsglob.h"
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#include "cifsproto.h"
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#ifdef __KERNEL__
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int dns_resolve_name(const char *dom, const char *name,
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size_t namelen, struct sockaddr *ip_addr);
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static inline int dns_resolve_unc(const char *dom, const char *unc,
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struct sockaddr *ip_addr)
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{
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const char *name;
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size_t namelen;
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if (!unc || strlen(unc) < 3)
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return -EINVAL;
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extract_unc_hostname(unc, &name, &namelen);
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if (!namelen)
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return -EINVAL;
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return dns_resolve_name(dom, name, namelen, ip_addr);
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}
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#endif /* KERNEL */
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#endif /* _DNS_RESOLVE_H */
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