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// Copyright 2015 Luke Shumaker <lukeshu@sbcglobal.net>.
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// The GNU General Public License's references to "object code" and
// "executables" are to be interpreted to also include the output of
// any document formatting or typesetting system, including
// intermediate and printed output.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this manual; if not, see
// <http://www.gnu.org/licenses/>.
package hackers_git
import (
p "lukeshu.com/git/go/libnslcd.git/proto"
s "syscall"
)
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 s.Ucred, req p.Request_Group_ByName) <-chan p.Group {
o.lock.RLock()
ret := make(chan p.Group)
go func() {
defer o.lock.RUnlock()
defer close(ret)
group := o.groupByName(req.Name, true)
if group.ID < 0 {
return
}
ret <- group
}()
return ret
}
func (o *Hackers) Group_ByGid(cred s.Ucred, req p.Request_Group_ByGid) <-chan p.Group {
o.lock.RLock()
ret := make(chan p.Group)
go func() {
defer o.lock.RUnlock()
defer close(ret)
group := o.groupByGid(req.Gid, true)
if group.ID < 0 {
return
}
ret <- group
}()
return ret
}
// note that the BYMEMBER call returns an empty members list
func (o *Hackers) Group_ByMember(cred s.Ucred, req p.Request_Group_ByMember) <-chan p.Group {
o.lock.RLock()
ret := make(chan p.Group)
go func() {
defer o.lock.RUnlock()
defer close(ret)
uid := o.name2uid(req.Member)
if uid < 0 {
return
}
for _, name := range o.users[uid].groups {
group := o.groupByName(name, false)
if group.ID >= 0 {
ret <- group
}
}
}()
return ret
}
func (o *Hackers) Group_All(cred s.Ucred, req p.Request_Group_All) <-chan p.Group {
o.lock.RLock()
ret := make(chan p.Group)
go func() {
defer o.lock.RUnlock()
defer close(ret)
for name, _ := range o.groups {
group := o.groupByName(name, true)
if group.ID >= 0 {
ret <- group
}
}
}()
return ret
}
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