GoLang Windows API wrappers for System Info / User Management
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Latest commit 0333309 Mar 29, 2018

README.md

GoLang Windows API Wrappers

For System Info / User Management.

For an internal project, this is a set of wrappers for snippets of the Windows API.

Tested and developed for Windows 10 x64.

All functions that return useful data, do so in the form of JSON exportable structs.

These structs are available in the shared library, "github.com/iamacarpet/go-win64api/shared"

Process List

package main

import (
    "fmt"
    wapi "github.com/iamacarpet/go-win64api"
)

func main(){
    pr, err := wapi.ProcessList()
    if err != nil {
        fmt.Printf("Error fetching process list... %s\r\n", err.Error())
    }
    for _, p := range pr {
        fmt.Printf("%8d - %-30s - %-30s - %s\r\n", p.Pid, p.Username, p.Executable, p.Fullpath)
    }
}

Active Session List (Logged in users + Run-As users)

package main

import (
    "fmt"
    wapi "github.com/iamacarpet/go-win64api"
)

func main(){
    // This check runs best as NT AUTHORITY\SYSTEM
    //
    // Running as a normal or even elevated user,
    // we can't properly detect who is an admin or not.
    //
    // This is because we require TOKEN_DUPLICATE permission,
    // which we don't seem to have otherwise (Win10).
    users, err := wapi.ListLoggedInUsers()
    if err != nil {
        fmt.Printf("Error fetching user session list.\r\n")
        return
    }

    fmt.Printf("Users currently logged in (Admin check doesn't work for AD Accounts):\r\n")
    for _, u := range users {
        fmt.Printf("\t%-50s - Local User: %-5t - Local Admin: %t\r\n", u.FullUser(), u.LocalUser, u.LocalAdmin)
    }
}

Installed Software List

package main

import (
    "fmt"
    wapi "github.com/iamacarpet/go-win64api"
)

func main(){
    sw, err := wapi.InstalledSoftwareList()
    if err != nil {
        fmt.Printf("%s\r\n", err.Error())
    }

    for _, s := range sw {
        fmt.Printf("%-100s - %s - %s\r\n", s.Name(), s.Architecture(), s.Version())
    }
}

Windows Update Status

package main

import (
        "fmt"
        "time"
        wapi "github.com/iamacarpet/go-win64api"
)

func main() {
        ret, err := wapi.UpdatesPending()
        if err != nil {
                fmt.Printf("Error fetching data... %s\r\n", err.Error())
        }

        fmt.Printf("Number of Updates Available: %d\n", ret.NumUpdates)
        fmt.Printf("Updates Pending:             %t\n\n", ret.UpdatesReq)
        fmt.Printf("%25s | %25s | %s\n", "EVENT DATE", "STATUS", "UPDATE NAME")
        for _, v := range ret.UpdateHistory {
                fmt.Printf("%25s | %25s | %s\n", v.EventDate.Format(time.RFC822), v.Status, v.UpdateName)
        }
}

Local Service Management

List Services

package main

import (
    "fmt"

    wapi "github.com/iamacarpet/go-win64api"
)

func main(){
    svc, err := wapi.GetServices()
    if err != nil {
        fmt.Printf("%s\r\n", err.Error())
    }

    for _, v := range svc {
        fmt.Printf("%-50s - %-75s - Status: %-20s - Accept Stop: %-5t, Running Pid: %d\r\n", v.SCName, v.DisplayName, v.StatusText, v.AcceptStop, v.RunningPid)
    }
}

Start Service

err := wapi.StartService(service_name)

Stop Service

err := wapi.StopService(service_name)

Local User Management

List Local Users

package main

import (
    "fmt"
    "time"
    wapi "github.com/iamacarpet/go-win64api"
)

func main(){
    users, err := wapi.ListLocalUsers()
    if err != nil {
        fmt.Printf("Error fetching user list, %s.\r\n", err.Error())
        return
    }

    for _, u := range users {
        fmt.Printf("%s (%s)\r\n", u.Username, u.FullName)
        fmt.Printf("\tIs Enabled:                   %t\r\n", u.IsEnabled)
        fmt.Printf("\tIs Locked:                    %t\r\n", u.IsLocked)
        fmt.Printf("\tIs Admin:                     %t\r\n", u.IsAdmin)
        fmt.Printf("\tPassword Never Expires:       %t\r\n", u.PasswordNeverExpires)
        fmt.Printf("\tUser can't change password:   %t\r\n", u.NoChangePassword)
        fmt.Printf("\tPassword Age:                 %.0f days\r\n", (u.PasswordAge.Hours()/24))
        fmt.Printf("\tLast Logon Time:              %s\r\n", u.LastLogon.Format(time.RFC850))
        fmt.Printf("\tBad Password Count:           %d\r\n", u.BadPasswordCount)
        fmt.Printf("\tNumber Of Logons:             %d\r\n", u.NumberOfLogons)
    }
}

Adding a Local User

ok, err := wapi.UserAdd(username, fullname, password)

Deleting a Local User

ok, err := wapi.UserDelete(username)

Set Full Name Attribute

ok, err := wapi.UserUpdateFullname(username, fullname)

Give Admin Privileges

ok, err := wapi.SetAdmin(username)

Revoke Admin Privileges

ok, err := wapi.RevokeAdmin(username)

Disable/Enable User

s := true   // disable user
s := false  // enable user
ok, err := wapi.UserDisabled(username, s)

Change Attribute - User Can't Change Password

s := true   // User can't change password
s := false  // User can change password
ok, err := wapi.UserDisablePasswordChange(username, s)

Change Attribute - Password Never Expires

s := true   // Password never expires.
s := false  // Enable password expiry.
ok, err := wapi.UserPasswordNoExpires(username, s)

Forced Password Change

ok, err := wapi.ChangePassword(username, newpassword)

Windows Firewall - Add Inbound Rule

added, err := wapi.FirewallRuleCreate(
	"App Rule Name",
	"App Rule Long Description.",
	"My Rule Group",
	"%systemDrive%\\path\\to\\my.exe",
	"port number as string",
	wapi.NET_FW_IP_PROTOCOL_TCP,
)