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|
package hackers_git
import (
p "nslcd_proto"
"nslcd_proto/util"
)
func (o *Hackers) groupByName(name string, users bool) p.Group {
members_set, found := o.groups[name]
if !found {
return p.Group{ID: -1}
}
gid := name2gid(name)
if gid < 0 {
return p.Group{ID: -1}
}
var members_list []string
if users {
members_list = set2list(members_set)
} else {
members_list = make([]string, 0)
}
return p.Group{
Name: name,
PwHash: "x",
ID: gid,
Members: members_list,
}
}
func (o *Hackers) groupByGid(gid int32, users bool) p.Group {
name, found := gid2name(gid)
if !found {
return p.Group{ID: -1}
}
members_set, found := o.groups[name]
if !found {
return p.Group{ID: -1}
}
var members_list []string
if users {
members_list = set2list(members_set)
} else {
members_list = make([]string, 0)
}
return p.Group{
Name: name,
PwHash: "x",
ID: gid,
Members: members_list,
}
}
func (o *Hackers) Group_ByName(cred p.Ucred, req p.Request_Group_ByName) p.Group_Enumerator {
o.lock.RLock()
defer o.lock.RUnlock()
group := o.groupByName(req.Name, true)
if group.ID < 0 {
return util.Group_Ø{}
}
return util.New_Group_List([]p.Group{group})
}
func (o *Hackers) Group_ByGid(cred p.Ucred, req p.Request_Group_ByGid) p.Group_Enumerator {
o.lock.RLock()
defer o.lock.RUnlock()
group := o.groupByGid(req.Gid, true)
if group.ID < 0 {
return util.Group_Ø{}
}
return util.New_Group_List([]p.Group{group})
}
type groupEnumerator struct {
groups []string
users bool
backend *Hackers
done bool
}
func (e *groupEnumerator) GetNext() (*p.Group, error) {
for len(e.groups) > 0 {
name := e.groups[0]
group := e.backend.groupByName(name, e.users)
if group.ID >= 0 {
return &group, nil
}
}
if !e.done {
e.done = true
e.backend.lock.RUnlock()
}
return nil, nil
}
func (o *groupEnumerator) GenericGetNext() (n *interface{}, err error) {
a, err := o.GetNext()
if a != nil {
b := (interface{})(*a)
n = &b
}
return
}
// note that the BYMEMBER call returns an empty members list
func (o *Hackers) Group_ByMember(cred p.Ucred, req p.Request_Group_ByMember) p.Group_Enumerator {
o.lock.RLock()
uid := o.name2uid(req.Member)
if uid < 0 {
return util.Group_Ø{}
}
return &groupEnumerator{
groups: o.users[uid].groups,
users: false,
backend: o,
done: false,
}
}
func (o *Hackers) Group_All(cred p.Ucred, req p.Request_Group_All) p.Group_Enumerator {
o.lock.RLock()
e := groupEnumerator{
groups: make([]string, len(o.groups)),
users: true,
backend: o,
done: false,
}
i := uint(0)
for group, _ := range o.groups {
e.groups[i] = group
}
return &e
}
|