mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-09 06:26:39 +00:00
90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
package netapi32
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import (
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"errors"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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// WKSTAInfo102 is a wrapper of WKSTA_Info_102
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//https://docs.microsoft.com/en-us/windows/win32/api/lmwksta/ns-lmwksta-wksta_info_102
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type WKSTAInfo102 struct {
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Wki102_platform_id uint32
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wki102_computername *uint16
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wki102_langroup *uint16
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Wki102_ver_major uint32
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Wki102_ver_minor uint32
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wki102_lanroot *uint16
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Wki102_logged_on_users uint32
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}
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var (
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netapi32 = windows.NewLazySystemDLL("netapi32")
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procNetWkstaGetInfo = netapi32.NewProc("NetWkstaGetInfo")
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procNetApiBufferFree = netapi32.NewProc("NetApiBufferFree")
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)
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// NetApiStatus is a map of Network Management Error Codes.
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// https://docs.microsoft.com/en-gb/windows/win32/netmgmt/network-management-error-codes?redirectedfrom=MSDN
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var NetApiStatus = map[uint32]string{
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// Success
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0: "NERR_Success",
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// This computer name is invalid.
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2351: "NERR_InvalidComputer",
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// This operation is only allowed on the primary domain controller of the domain.
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2226: "NERR_NotPrimary",
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/// This operation is not allowed on this special group.
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2234: "NERR_SpeGroupOp",
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/// This operation is not allowed on the last administrative account.
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2452: "NERR_LastAdmin",
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/// The password parameter is invalid.
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2203: "NERR_BadPassword",
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/// The password does not meet the password policy requirements.
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/// Check the minimum password length, password complexity and password history requirements.
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2245: "NERR_PasswordTooShort",
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/// The user name could not be found.
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2221: "NERR_UserNotFound",
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// Errors
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5: "ERROR_ACCESS_DENIED",
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8: "ERROR_NOT_ENOUGH_MEMORY",
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87: "ERROR_INVALID_PARAMETER",
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123: "ERROR_INVALID_NAME",
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124: "ERROR_INVALID_LEVEL",
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234: "ERROR_MORE_DATA",
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1219: "ERROR_SESSION_CREDENTIAL_CONFLICT",
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}
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// NetApiBufferFree frees the memory other network management functions use internally to return information.
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// https://docs.microsoft.com/en-us/windows/win32/api/lmapibuf/nf-lmapibuf-netapibufferfree
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func NetApiBufferFree(buffer *WKSTAInfo102) {
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procNetApiBufferFree.Call(uintptr(unsafe.Pointer(buffer)))
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}
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// NetWkstaGetInfo returns information about the configuration of a workstation.
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// https://docs.microsoft.com/en-us/windows/win32/api/lmwksta/nf-lmwksta-netwkstagetinfo
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func NetWkstaGetInfo() (WKSTAInfo102, uint32, error) {
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// Struct
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var lpwi *WKSTAInfo102
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pLpwi := uintptr(unsafe.Pointer(&lpwi))
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// Null value
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var nullptr = uintptr(0)
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// Level
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pLevel := uintptr(102)
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// Func call
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r1, _, _ := procNetWkstaGetInfo.Call(nullptr, pLevel, pLpwi)
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if ret := *(*uint32)(unsafe.Pointer(&r1)); ret != 0 {
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return WKSTAInfo102{}, ret, errors.New(NetApiStatus[ret])
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}
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// Derence the pointer and return the object so we can safely clear the buffer.
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var deref WKSTAInfo102 = *lpwi
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defer NetApiBufferFree(lpwi)
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return deref, 0, nil
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}
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