115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
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/*++
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Copyright (c) 2000, Microsoft Corporation
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Module Name:
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dnsfile.h
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Abstract:
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This module contains declarations for the DNS proxy's file
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management.
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Author:
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Raghu Gatta (rgatta) 21-Nov-2000
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Revision History:
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--*/
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#ifndef _NATHLP_DNSFILE_H_
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#define _NATHLP_DNSFILE_H_
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//
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// Sockets hosts.ics file stuff
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// NOTE: The hosts.ics file will reside in the same directory as the hosts file
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//
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#define HOSTS_FILE_DIRECTORY L"\\drivers\\etc"
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#define HOSTDB_SIZE (MAX_PATH + 12) // 12 == strlen("\\hosts.ics") + 1
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#define HOSTSICSFILE "hosts.ics"
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#define HOSTSICSFILE_HEADER \
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"# Copyright (c) 1993-2001 Microsoft Corp.\n" \
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"#\n" \
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"# This file has been automatically generated for use by Microsoft Internet\n" \
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"# Connection Sharing. It contains the mappings of IP addresses to host names\n"\
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"# for the home network. Please do not make changes to the HOSTS.ICS file.\n" \
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"# Any changes may result in a loss of connectivity between machines on the\n" \
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"# local network.\n" \
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"#\n" \
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"\n"
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typedef struct _IP_DNS_PROXY_FILE_INFO
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{
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CRITICAL_SECTION Lock;
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FILE *HostFile;
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CHAR HostFileName[HOSTDB_SIZE];
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CHAR HostLineBuf[BUFSIZ + 1];
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// temp values in the context of current file processing
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SYSTEMTIME HostTime;
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PCHAR pHostName;
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ULONG Ip4Address;
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} IP_DNS_PROXY_FILE_INFO, *PIP_DNS_PROXY_FILE_INFO;
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//
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// FUNCTION DECLARATIONS
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//
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ULONG
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DnsInitializeFileManagement(
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VOID
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);
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VOID
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DnsShutdownFileManagement(
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VOID
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);
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BOOL
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DnsEndHostsIcsFile(
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VOID
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);
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BOOL
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DnsSetHostsIcsFile(
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BOOL fOverwrite
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);
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BOOL
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GetHostFromHostsIcsFile(
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BOOL fStartup
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);
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VOID
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LoadHostsIcsFile(
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BOOL fStartup
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);
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VOID
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SaveHostsIcsFile(
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BOOL fShutdown
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);
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BOOL
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IsFileTimeExpired(
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FILETIME *ftTime
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);
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BOOL
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IsSuffixValid(
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WCHAR *pszName,
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WCHAR *pszSuffix
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);
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#endif // _NATHLP_DNSFILE_H_
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