/
Shadow.go
98 lines (84 loc) · 1.93 KB
/
Shadow.go
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package shadowusers
import (
"errors"
"fmt"
)
type Shadow struct {
Login string
Password string
LastChangeDays int
MinAgeDays int
MaxAgeDays int
WarningPeriodDays int
InactivityPeriodDays int
AccountExpirationDays int
// one more - reserved
}
func NewShadowFromString(line string) (*Shadow, error) {
self := new(Shadow)
s := SplitLine(line)
if len(s) != 9 {
return nil, errors.New("invalid Shadow line")
}
self.Login = s[0]
self.Password = s[1]
t, err := AtoiEmptyIsMinus1(s[2], "LastChangeDays")
if err != nil {
return nil, err
}
self.LastChangeDays = t
t, err = AtoiEmptyIsMinus1(s[3], "MinAgeDays")
if err != nil {
return nil, err
}
self.MinAgeDays = t
t, err = AtoiEmptyIsMinus1(s[4], "MaxAgeDays")
if err != nil {
return nil, err
}
self.MaxAgeDays = t
t, err = AtoiEmptyIsMinus1(s[5], "WarningPeriodDays")
if err != nil {
return nil, err
}
self.WarningPeriodDays = t
t, err = AtoiEmptyIsMinus1(s[6], "InactivityPeriodDays")
if err != nil {
return nil, err
}
self.InactivityPeriodDays = t
t, err = AtoiEmptyIsMinus1(s[7], "AccountExpirationDays")
if err != nil {
return nil, err
}
self.AccountExpirationDays = t
return self, nil
}
func (self *Shadow) IsValid() bool {
for _, value := range []string{
self.Login,
self.Password,
} {
if !StringValueValid(value) {
return false
}
}
return true
}
func (self *Shadow) Render() (string, error) {
if !self.IsValid() {
return "", errors.New("Shadow structure have invalid field values")
}
ret := fmt.Sprintf(
"%s:%s:%s:%s:%s:%s:%s:%s:", // NOTE: reserved field at the end
self.Login,
self.Password,
ItoaMinusIsEmpty(self.LastChangeDays),
ItoaMinusIsEmpty(self.MinAgeDays),
ItoaMinusIsEmpty(self.MaxAgeDays),
ItoaMinusIsEmpty(self.WarningPeriodDays),
ItoaMinusIsEmpty(self.InactivityPeriodDays),
ItoaMinusIsEmpty(self.AccountExpirationDays),
)
return ret, nil
}