seashell/internal/config/config.go

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2024-08-04 05:31:40 +00:00
/*
* Seashell - SSH server with virtual hosts and username-based routing
*
* Copyright (C) 2024 Elara6331 <elara@elara.ws>
*
* This file is part of Seashell.
*
* Seashell is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Seashell is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Seashell. If not, see <http://www.gnu.org/licenses/>.
*/
package config
import (
"github.com/hashicorp/hcl/v2/hclsimple"
"github.com/zclconf/go-cty/cty"
)
// Config represents the main config structure.
type Config struct {
Settings *Settings `hcl:"settings,block"`
Routes []Route `hcl:"route,block"`
Auth Auth `hcl:"auth,block"`
}
// Settings represents settings for the SSH server.
type Settings struct {
SSHDir string `hcl:"ssh_dir,optional"`
ListenAddr string `hcl:"listen_addr,optional"`
Debug bool `hcl:"debug,optional"`
}
// Route represents a virtual host configuration.
type Route struct {
Name string `hcl:"name,label"`
Backend string `hcl:"backend"`
Match string `hcl:"match"`
Settings cty.Value `hcl:"settings"`
Permissions PermissionsMap `hcl:"permissions,optional"`
}
// Auth contains the authentication settings.
type Auth struct {
Fail2Ban *Fail2Ban `hcl:"fail2ban,block"`
Users []User `hcl:"user,block"`
}
// Fail2Ban contains the fail2ban rate limiter settings.
type Fail2Ban struct {
Limit string `hcl:"limit"`
Attempts int `hcl:"attempts"`
}
// User contains the configuration for a virtual user.
type User struct {
Name string `hcl:"name,label"`
Password string `hcl:"password,optional"`
Groups []string `hcl:"groups,optional"`
Pubkeys []string `hcl:"pubkeys,optional"`
}
// Load loads the configuration from the specified path.
func Load(path string) (cfg Config, err error) {
err = hclsimple.DecodeFile(path, nil, &cfg)
if cfg.Settings == nil {
cfg.Settings = &Settings{}
}
return cfg, err
}