Ophestra Umiker
33c95b80ca
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test / test (push) Successful in 36s
Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package main
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import (
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"bytes"
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"errors"
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"flag"
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"fmt"
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"os"
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"path"
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"strconv"
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"git.ophivana.moe/security/fortify/internal/fmsg"
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)
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func main() {
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fmsg.SetPrefix("fuserdb")
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const varEmpty = "/var/empty"
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out := flag.String("o", "userdb", "output directory")
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homeDir := flag.String("d", varEmpty, "parent of home directories")
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shell := flag.String("s", "/sbin/nologin", "absolute path to subordinate user shell")
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flag.Parse()
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type user struct {
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name string
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fid int
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}
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users := make([]user, len(flag.Args()))
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for i, s := range flag.Args() {
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f := bytes.SplitN([]byte(s), []byte{':'}, 2)
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if len(f) != 2 {
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fmsg.Fatalf("invalid entry at index %d", i)
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}
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users[i].name = string(f[0])
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if fid, err := strconv.Atoi(string(f[1])); err != nil {
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fmsg.Fatal(err.Error())
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} else {
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users[i].fid = fid
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}
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}
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if err := os.MkdirAll(*out, 0755); err != nil && !errors.Is(err, os.ErrExist) {
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fmsg.Fatalf("cannot create output: %v", err)
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}
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for _, u := range users {
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fidString := strconv.Itoa(u.fid)
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for aid := 0; aid < 10000; aid++ {
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userName := fmt.Sprintf("u%d_a%d", u.fid, aid)
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uid := 1000000 + u.fid*10000 + aid
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us := strconv.Itoa(uid)
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realName := fmt.Sprintf("Fortify subordinate user %d (%s)", aid, u.name)
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var homeDirectory string
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if *homeDir != varEmpty {
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homeDirectory = path.Join(*homeDir, "u"+fidString, "a"+strconv.Itoa(aid))
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} else {
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homeDirectory = varEmpty
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}
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writeUser(userName, uid, us, realName, homeDirectory, *shell, *out)
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writeGroup(userName, uid, us, nil, *out)
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}
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}
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fmsg.Printf("created %d entries", len(users)*2*10000)
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fmsg.Exit(0)
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}
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