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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
| winsvc.h
| Unicode
| No
| Platform Notes
| None
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SetServiceObjectSecurity
The SetServiceObjectSecurity function sets the security descriptor of a service object.
BOOL SetServiceObjectSecurity(
SC_HANDLE hService,
| // handle of service
| SECURITY_INFORMATION dwSecurityInformation,
| // type of security information requested
| PSECURITY_DESCRIPTOR lpSecurityDescriptor
| // address of security descriptor
| );
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Parameters
hService
Identifies the service. This handle is returned by the OpenService or CreateService function. The access required for this handle depends on the security
information specified in the dwSecurityInformation parameter.
dwSecurityInformation
Specifies the security information to be set. Any or all of the following
flags can be specified:
Value
| Meaning
| OWNER_SECURITY_INFORMATION
| Sets the object's owner security identifier (SID). The hService handle must have WRITE_OWNER access, or the calling process must be the
object's owner.
| GROUP_SECURITY_INFORMATION
| Sets the object's primary group SID. The hService handle must have WRITE_OWNER access, or the calling process must be the
object's owner.
| DACL_SECURITY_INFORMATION
| Sets the object's discretionary access control list (ACL). The hService handle must have WRITE_DAC access, or the calling process must be the
object's owner.
| SACL_SECURITY_INFORMATION
| Sets the object's system ACL. The calling process must have the
SE_SECURITY_NAME privilege. For more information about security privileges, see Privileges.
|
lpSecurityDescriptor
Points to a SECURITY_DESCRIPTOR structure containing the new security information.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error
information, call GetLastError.
Errors
The following error codes may be set by the service control manager. Other
error codes may be set by the registry functions that are called by the service
control manager.
| The specified handle was not opened with the required access, or the calling
process is not the owner of the object.
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| The specified handle is invalid.
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| The specified security information or security descriptor is invalid.
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ERROR_SERVICE_MARKED_FOR_DELETE
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| The specified service has been marked for deletion.
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Remarks
The SetServiceObjectSecurity function sets the specified portions of the service object's security
descriptor, based on the information specified in the lpSecurityDescriptor buffer. This function replaces any or all of the security information
associated with the service object, according to the flags set in the dwSecurityInformation parameter and subject to the calling process's access rights.
The initial security descriptor of a service object is created by the service
control manager, based on the security descriptor of the process that called
the CreateService function to create the service. The security descriptor can be changed by
calling the SetServiceObjectSecurity function.
See Also
CreateService, OpenService, QueryServiceObjectSecurity, SECURITY_DESCRIPTOR
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