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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [os/] [user/] [lookup_windows.go] - Blame information for rev 747

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Line No. Rev Author Line
1 747 jeremybenn 
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package user
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import (
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        "fmt"
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        "syscall"
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        "unsafe"
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)
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func lookupFullName(domain, username, domainAndUser string) (string, error) {
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        // try domain controller first
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        name, e := syscall.TranslateAccountName(domainAndUser,
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                syscall.NameSamCompatible, syscall.NameDisplay, 50)
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        if e != nil {
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                // domain lookup failed, perhaps this pc is not part of domain
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                d := syscall.StringToUTF16Ptr(domain)
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                u := syscall.StringToUTF16Ptr(username)
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                var p *byte
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                e := syscall.NetUserGetInfo(d, u, 10, &p)
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                if e != nil {
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                        return "", e
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                }
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                defer syscall.NetApiBufferFree(p)
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                i := (*syscall.UserInfo10)(unsafe.Pointer(p))
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                if i.FullName == nil {
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                        return "", nil
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                }
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                name = syscall.UTF16ToString((*[1024]uint16)(unsafe.Pointer(i.FullName))[:])
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        }
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        return name, nil
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}
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func newUser(usid *syscall.SID, gid, dir string) (*User, error) {
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        username, domain, t, e := usid.LookupAccount("")
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        if e != nil {
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                return nil, e
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        }
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        if t != syscall.SidTypeUser {
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                return nil, fmt.Errorf("user: should be user account type, not %d", t)
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        }
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        domainAndUser := domain + `\` + username
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        uid, e := usid.String()
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        if e != nil {
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                return nil, e
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        }
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        name, e := lookupFullName(domain, username, domainAndUser)
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        if e != nil {
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                return nil, e
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        }
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        u := &User{
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                Uid:      uid,
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                Gid:      gid,
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                Username: domainAndUser,
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                Name:     name,
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                HomeDir:  dir,
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        }
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        return u, nil
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}
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// Current returns the current user.
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func Current() (*User, error) {
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        t, e := syscall.OpenCurrentProcessToken()
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        if e != nil {
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                return nil, e
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        }
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        u, e := t.GetTokenUser()
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        if e != nil {
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                return nil, e
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        }
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        pg, e := t.GetTokenPrimaryGroup()
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        if e != nil {
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                return nil, e
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        }
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        gid, e := pg.PrimaryGroup.String()
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        if e != nil {
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                return nil, e
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        }
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        dir, e := t.GetUserProfileDirectory()
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        if e != nil {
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                return nil, e
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        }
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        return newUser(u.User.Sid, gid, dir)
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}
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// BUG(brainman): Lookup and LookupId functions do not set
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// Gid and HomeDir fields in the User struct returned on windows.
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func newUserFromSid(usid *syscall.SID) (*User, error) {
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        // TODO(brainman): do not know where to get gid and dir fields
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        gid := "unknown"
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        dir := "Unknown directory"
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        return newUser(usid, gid, dir)
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}
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// Lookup looks up a user by username.
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func Lookup(username string) (*User, error) {
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        sid, _, t, e := syscall.LookupSID("", username)
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        if e != nil {
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                return nil, e
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        }
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        if t != syscall.SidTypeUser {
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                return nil, fmt.Errorf("user: should be user account type, not %d", t)
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        }
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        return newUserFromSid(sid)
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}
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// LookupId looks up a user by userid.
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func LookupId(uid string) (*User, error) {
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        sid, e := syscall.StringToSid(uid)
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        if e != nil {
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                return nil, e
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        }
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        return newUserFromSid(sid)
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}

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