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package hackers_git
import (
p "nslcd_proto"
"nslcd_proto/util"
)
/* Note that the output password hash value should be one of:
<empty> - no password set, allow login without password
! - used to prevent logins
x - "valid" encrypted password that does not match any valid password
often used to indicate that the password is defined elsewhere
other - encrypted password, in crypt(3) format */
func (o *Hackers) Passwd_ByName(cred p.Ucred, req p.Request_Passwd_ByName) p.Passwd_Enumerator {
o.lock.RLock()
defer o.lock.RUnlock()
uid := o.name2uid(req.Name)
if uid < 0 {
return util.Passwd_Ø{}
}
passwd := o.users[uid].passwd
passwd.PwHash = "x" // only put actual hashes in the Shadow DB
return util.New_Passwd_List([]p.Passwd{passwd})
}
func (o *Hackers) Passwd_ByUID(cred p.Ucred, req p.Request_Passwd_ByUID) p.Passwd_Enumerator {
o.lock.RLock()
defer o.lock.RUnlock()
user, found := o.users[req.UID]
if !found {
return util.Passwd_Ø{}
}
passwd := user.passwd
passwd.PwHash = "x" // only put actual hashes in the Shadow DB
return util.New_Passwd_List([]p.Passwd{passwd})
}
type allPasswdEnumerator struct {
uids []int32
backend *Hackers
done bool
}
func (e *allPasswdEnumerator) GetNext() (*p.Passwd, error) {
if len(e.uids) > 0 {
passwd := e.backend.users[e.uids[0]].passwd
passwd.PwHash = "x" // only put actual hashes in the Shadow DB
e.uids = e.uids[1:]
return &passwd, nil
} else if !e.done {
e.done = true
e.backend.lock.RUnlock()
}
return nil, nil
}
func (o *allPasswdEnumerator) GenericGetNext() (n *interface{}, err error) {
a, err := o.GetNext()
if a != nil {
b := (interface{})(*a)
n = &b
}
return
}
func (o *Hackers) Passwd_All(cred p.Ucred, req p.Request_Passwd_All) p.Passwd_Enumerator {
o.lock.RLock()
e := allPasswdEnumerator{
uids: make([]int32, len(o.users)),
backend: o,
done: false,
}
i := uint(0)
for uid, _ := range o.users {
e.uids[i] = uid
i++
}
return &e
}
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