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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| advapi32.lib
| Header File
| winreg.h
| Unicode
| No
| Platform Notes
| None
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RegGetKeySecurity
The RegGetKeySecurity function retrieves a copy of the security descriptor protecting the specified
open registry key.
LONG RegGetKeySecurity(
HKEY hKey,
| // open handle of key to set
| SECURITY_INFORMATION SecurityInformation,
| // descriptor contents
| PSECURITY_DESCRIPTOR pSecurityDescriptor,
| // address of descriptor for key
| LPDWORD lpcbSecurityDescriptor
| // address of size of buffer and descriptor
| );
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Parameters
hKey
Identifies an open key for which to retrieve the security descriptor.
SecurityInformation
Specifies a SECURITY_INFORMATION structure that indicates the requested security information.
pSecurityDescriptor
Points to a buffer that receives a copy of the requested security descriptor.
lpcbSecurityDescriptor
Points to a variable that specifies the size, in bytes, of the buffer pointed
to by the pSecurityDescriptor parameter. When the function returns, the variable contains the number of
bytes written to the buffer.
Return Values
If the function succeeds, the return value is ERROR_SUCCESS.
If the function fails, the return value is a nonzero error code defined in
WINERROR.H. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a generic
description of the error.
Remarks
If the buffer specified by the pSecurityDescriptor parameter is too small, the function returns ERROR_INSUFFICIENT_BUFFER and
the lpcbSecurityDescriptor parameter contains the number of bytes required for the requested security
descriptor.
To read the security descriptor for the specified key, the calling process
must have been granted READ_CONTROL access when the key was opened, or it must be
the owner of the key. (READ_CONTROL access is granted by the KEY_READ,
KEY_WRITE, KEY_EXECUTE, and KEY_ALL_ACCESS access rights.) In addition, the caller must
have the SE_SECURITY_NAME privilege to read the system access-control list
(SACL).
For more information about security, see Security.
See Also
RegDeleteKey, RegOpenKeyEx, RegSetKeySecurity, SECURITY_INFORMATION
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