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328 lines
8.7 KiB
328 lines
8.7 KiB
// Copyright (c) 1997-1999 Microsoft Corporation
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//
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// Computer naming tool
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//
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// 12-1-97 sburns
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#ifndef COMPUTER_HPP_INCLUDED
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#define COMPUTER_HPP_INCLUDED
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// An object representing the name, domain membership state, and other
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// interesting properties of a machine.
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class Computer
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{
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public:
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// Constructs a new instance. The new instance is not usable until the
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// Refresh method is called.
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//
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// name - name of the computer. May have leading backslashes. May be
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// an IP address, DNS, or NetBIOS computer name. empty means the local
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// computer.
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explicit
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Computer(const String& name = String());
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~Computer();
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// Returns the NetBIOS name of the computer.
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String
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GetNetbiosName() const;
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// Returns the Fully-Qualified DNS name of the computer, taking into
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// account the policy-imposed DNS suffix (if any). Returns the empty
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// string if the computer does not have a DNS name (most likely because
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// TCP/IP is not installed or properly configured on the machine).
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String
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GetFullDnsName() const;
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// Returns the DNS name of the domain the computer is joined to, or the
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// empty string if the computer is not joined to a DS domain.
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String
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GetDomainDnsName() const;
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// Returns the NetBIOS name of the domain the computer is joined to, if
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// the computer is joined to a domain, or the NetBIOS name of the
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// workgroup the computer is joined to, if the computer is joined to a
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// workgroup. See IsJoinedToDomain(), IsJoinedToWorkgroup().
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String
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GetDomainNetbiosName() const;
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// Returns the name of the forest the machine is joined to, or the empty
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// string if the machine is not joined to a DS domain.
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//
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// (The forest name is the dns domain name of the first domain in the
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// forest.)
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String
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GetForestDnsName() const;
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// Returns the major version number of the operating system the machine is
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// running. For Windows NT 4, this is 4. For Windows 2000, this is 5.
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DWORD
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GetOsMajorVersion() const;
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// Returns the minor version number of the operating system the machine is
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// running.
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DWORD
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GetOsMinorVersion() const;
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enum Role
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{
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STANDALONE_WORKSTATION = DsRole_RoleStandaloneWorkstation,
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MEMBER_WORKSTATION = DsRole_RoleMemberWorkstation,
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STANDALONE_SERVER = DsRole_RoleStandaloneServer,
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MEMBER_SERVER = DsRole_RoleMemberServer,
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PRIMARY_CONTROLLER = DsRole_RolePrimaryDomainController,
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BACKUP_CONTROLLER = DsRole_RoleBackupDomainController
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};
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// Returns a value indicating the role of the computer. This value is
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// always the "true" role of the computer, regardless of the safe boot
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// mode of the computer.
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Role
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GetRole() const;
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// Returns true if the machine is a domain controller, false if not.
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bool
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IsDomainController() const;
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// Returns true if the instance refers to the local computer, false if
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// it refers to another computer on the network. "Local Computer" means
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// the computer on which this process is running.
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bool
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IsLocal() const;
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// Returns true if the machine is joined to any domain, false if not.
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// (Note that IsJoinedToWorgroup == !IsJoinedToDomain, and vice-versa).
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bool
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IsJoinedToDomain() const;
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// Returns true if the machine is joined to the given DS domain, false if
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// not -- the machine is joined to a non-DS domain, not joined to a domain,
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// or joined to a DS domain of another name.
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//
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// domainDnsName - DNS name of the domain to test membership against.
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bool
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IsJoinedToDomain(const String& domainDnsName) const;
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// Returns true if the machine is joined to any workgroup, false if not.
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// (Note that IsJoinedToWorgroup == !IsJoinedToDomain, and vice-versa).
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//
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// If this function returns true, then the name returned by
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// GetDomainNetbiosName is actually the name of the workgroup.
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bool
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IsJoinedToWorkgroup() const;
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// Re-evaluates all computer info. Returns S_OK if all info was refreshed,
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// or a standard error code if not. Typical errors include access denied
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// and network path not found.
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HRESULT
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Refresh();
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//
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// static functions
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//
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// Combines the hostname and suffix to form a fully-qualified DNS computer
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// name, and returns that result. E.g. hostname.dns.domain.suffix.com
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//
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// hostname - the hostname component of the name. This string should not
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// be empty.
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//
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// domainSuffix - the DNS domain suffix portion of the name. This portion
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// may be empty, in which case the hostname is considered to be in the root
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// domain ".". Or the suffix may be a single "." to indicate the root
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// domain. Or the suffix may be a more typical sequence of labels
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// separated by "."
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static
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String
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ComposeFullDnsComputerName(
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const String& hostname,
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const String& domainSuffix);
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// Retreives the netbios computer name that is currently in effect.
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static
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String
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GetActivePhysicalNetbiosName();
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// Retreives the fully-qualified DNS computer name that is currently in
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// effect. May return the empty string if no DNS name exists (e.g. tcp/ip
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// is not installed).
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static
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String
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GetActivePhysicalFullDnsName();
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// Retreives the netbios computer name that will take effect upon next
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// reboot, or the current active name if no name change is pending.
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static
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String
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GetFuturePhysicalNetbiosName();
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// Retreives the fully-qualified DNS computer name that will be in effect
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// when the computer is rebooted. If a future name is not set, then the
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// result is the current active name (as that will still be the name in the
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// future). Can return the empty string if the active name is not set
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// either (e.g. tcp/ip is not installed)
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static
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String
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GetFuturePhysicalFullDnsName();
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// Determine the safeboot option that the machine is currently running
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// under, or return 0 if the machine is running in normal boot mode.
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// Returns S_OK on success, or an error code on failure.
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//
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// regHKLM - HKEY previously opened to the HKEY_LOCAL_MACHINE hive of a
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// remote computer, or the special HKEY value of HKEY_LOCAL_MACHINE to
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// evaluate the result for the local computer.
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//
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// result - the safeboot option. See sdk\inc\safeboot.h for the possible
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// values.
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static
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HRESULT
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GetSafebootOption(HKEY regHKLM, DWORD& result);
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// Returns the product type like RtlGetNtProductType, except that the value
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// is read directly from the registry. This is preferred to
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// RtlGetNtProductType, because when booted in safe mode,
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// RtlGetNtProductType is caused to lie such that a DC returns a result as
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// though it were a normal server. Returns S_OK on success, or an error
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// code on failure.
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//
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// regHKLM - HKEY previously opened to the HKEY_LOCAL_MACHINE hive of a
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// remote computer, or the special HKEY value of HKEY_LOCAL_MACHINE to
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// evaluate the result for the local computer.
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//
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// result - the product type code.
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static
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HRESULT
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GetProductTypeFromRegistry(HKEY regHLKM, NT_PRODUCT_TYPE& result);
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// Determine if the Dns suffix portion of the local computer name is forced
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// to be a certain value by policy. If so, return true. If the
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// determination cannot be made, or if the policy is not in effect, return
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// false.
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//
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// policyDnsSuffix - out, if there is a policy in effect, this parameter
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// will receive the suffix (which may be the empty string).
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static
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bool
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IsDnsSuffixPolicyInEffect(String& policyDnsSuffix);
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// Removes the leading backslashes from a UNC-style computer name, if
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// present, and returns the result. For example, a name "\\mycomputer"
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// would be returned as "mycomputer".
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//
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// computerName - the name from which leading backslashes are to be
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// removed. If this name does not have leading backslashes, then this name
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// is returned.
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static
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String
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RemoveLeadingBackslashes(const String& computerName);
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private:
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// not implemented
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Computer(const Computer& c);
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const Computer& operator=(const Computer& c);
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friend struct ComputerState;
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String ctorName;
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bool isRefreshed;
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ComputerState* state;
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};
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#endif // COMPUTER_HPP_INCLUDED
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