mirror of
https://github.com/foxcpp/maddy.git
synced 2025-04-03 05:07:38 +03:00
95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
/*
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Maddy Mail Server - Composable all-in-one email server.
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Copyright © 2019-2020 Max Mazurov <fox.cpp@disroot.org>, Maddy Mail Server contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"github.com/foxcpp/maddy/cmd/maddyctl/clitools"
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"github.com/foxcpp/maddy/internal/auth/pass_table"
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"github.com/urfave/cli"
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"golang.org/x/crypto/bcrypt"
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)
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func hashCommand(ctx *cli.Context) error {
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hashFunc := ctx.String("hash")
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if hashFunc == "" {
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hashFunc = pass_table.DefaultHash
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}
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hashCompute := pass_table.HashCompute[hashFunc]
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if hashCompute == nil {
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var funcs []string
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for k := range pass_table.HashCompute {
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funcs = append(funcs, k)
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}
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return fmt.Errorf("Error: Unknown hash function, available: %s", strings.Join(funcs, ", "))
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}
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opts := pass_table.HashOpts{
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BcryptCost: bcrypt.DefaultCost,
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Argon2Memory: 1024,
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Argon2Time: 2,
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Argon2Threads: 1,
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}
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if ctx.IsSet("bcrypt-cost") {
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if ctx.Int("bcrypt-cost") > bcrypt.MaxCost {
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return errors.New("Error: too big bcrypt cost")
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}
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if ctx.Int("bcrypt-cost") < bcrypt.MinCost {
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return errors.New("Error: too small bcrypt cost")
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}
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opts.BcryptCost = ctx.Int("bcrypt-cost")
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}
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if ctx.IsSet("argon2-memory") {
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opts.Argon2Memory = uint32(ctx.Int("argon2-memory"))
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}
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if ctx.IsSet("argon2-time") {
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opts.Argon2Memory = uint32(ctx.Int("argon2-time"))
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}
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if ctx.IsSet("argon2-threads") {
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opts.Argon2Threads = uint8(ctx.Int("argon2-threads"))
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}
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var pass string
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if ctx.IsSet("password") {
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pass = ctx.String("password")
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} else {
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var err error
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pass, err = clitools.ReadPassword("Password")
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if err != nil {
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return err
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}
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}
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if pass == "" {
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fmt.Fprintln(os.Stderr, "WARNING: This is the hash of empty string")
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}
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hash, err := hashCompute(opts, pass)
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if err != nil {
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return err
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}
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fmt.Println(hashFunc + ":" + hash)
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return nil
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}
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