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Group.go
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Group.go
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package shadowusers
import (
"errors"
"fmt"
"strconv"
)
type Group struct {
Name string
Password string
GID int
UserList []string
}
func NewGroupFromString(line string) (*Group, error) {
self := new(Group)
s := SplitLine(line)
if len(s) != 4 {
return nil, errors.New("invalid Group line")
}
self.Name = s[0]
self.Password = s[1]
if t, err := strconv.Atoi(s[2]); err != nil {
return nil, errors.New("invalid GID")
} else {
self.GID = t
}
self.UserList = ParseUserList(s[3])
return self, nil
}
func (self *Group) IsValid() bool {
for _, value := range []string{
self.Name,
self.Password,
} {
if !StringValueValid(value) {
return false
}
}
for _, value := range self.UserList {
if !StringValueValid(value) {
return false
}
}
return true
}
func (self *Group) Render() (string, error) {
if !self.IsValid() {
return "", errors.New("Group structure have invalid field values")
}
user_list, err := RenderUserList(self.UserList)
if err != nil {
return "", err
}
ret := fmt.Sprintf(
"%s:%s:%d:%s",
self.Name,
self.Password,
self.GID,
user_list,
)
return ret, nil
}