forked from ebhomengo/niki
44 lines
781 B
Go
44 lines
781 B
Go
|
//go:build gofuzz
|
||
|
// +build gofuzz
|
||
|
|
||
|
package user
|
||
|
|
||
|
import (
|
||
|
"io"
|
||
|
"strings"
|
||
|
)
|
||
|
|
||
|
func IsDivisbleBy(n int, divisibleby int) bool {
|
||
|
return (n % divisibleby) == 0
|
||
|
}
|
||
|
|
||
|
func FuzzUser(data []byte) int {
|
||
|
if len(data) == 0 {
|
||
|
return -1
|
||
|
}
|
||
|
if !IsDivisbleBy(len(data), 5) {
|
||
|
return -1
|
||
|
}
|
||
|
|
||
|
var divided [][]byte
|
||
|
|
||
|
chunkSize := len(data) / 5
|
||
|
|
||
|
for i := 0; i < len(data); i += chunkSize {
|
||
|
end := i + chunkSize
|
||
|
|
||
|
divided = append(divided, data[i:end])
|
||
|
}
|
||
|
|
||
|
_, _ = ParsePasswdFilter(strings.NewReader(string(divided[0])), nil)
|
||
|
|
||
|
var passwd, group io.Reader
|
||
|
|
||
|
group = strings.NewReader(string(divided[1]))
|
||
|
_, _ = GetAdditionalGroups([]string{string(divided[2])}, group)
|
||
|
|
||
|
passwd = strings.NewReader(string(divided[3]))
|
||
|
_, _ = GetExecUser(string(divided[4]), nil, passwd, group)
|
||
|
return 1
|
||
|
}
|