mirror of
https://github.com/gocsaf/csaf.git
synced 2025-12-22 11:55:40 +01:00
123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
// This file is Free Software under the Apache-2.0 License
|
|
// without warranty, see README.md and LICENSES/Apache-2.0.txt for details.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
// SPDX-FileCopyrightText: 2022 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
|
|
// Software-Engineering: 2022 Intevation GmbH <https://intevation.de>
|
|
|
|
// Package main implements the csaf_downloader tool.
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"github.com/csaf-poc/csaf_distribution/v3/lib/downloader"
|
|
"log/slog"
|
|
"os"
|
|
"os/signal"
|
|
|
|
"github.com/csaf-poc/csaf_distribution/v3/internal/options"
|
|
)
|
|
|
|
const (
|
|
defaultWorker = 2
|
|
defaultPreset = "mandatory"
|
|
defaultForwardQueue = 5
|
|
defaultValidationMode = downloader.ValidationStrict
|
|
defaultLogFile = "downloader.log"
|
|
defaultLogLevel = slog.LevelInfo
|
|
)
|
|
|
|
// configPaths are the potential file locations of the Config file.
|
|
var configPaths = []string{
|
|
"~/.config/csaf/downloader.toml",
|
|
"~/.csaf_downloader.toml",
|
|
"csaf_downloader.toml",
|
|
}
|
|
|
|
// parseArgsConfig parses the command line and if needed a config file.
|
|
func parseArgsConfig() ([]string, *downloader.Config, error) {
|
|
var (
|
|
logFile = defaultLogFile
|
|
logLevel = &options.LogLevel{Level: defaultLogLevel}
|
|
)
|
|
p := options.Parser[downloader.Config]{
|
|
DefaultConfigLocations: configPaths,
|
|
ConfigLocation: func(cfg *downloader.Config) string { return cfg.Config },
|
|
Usage: "[OPTIONS] domain...",
|
|
HasVersion: func(cfg *downloader.Config) bool { return cfg.Version },
|
|
SetDefaults: func(cfg *downloader.Config) {
|
|
cfg.Worker = defaultWorker
|
|
cfg.RemoteValidatorPresets = []string{defaultPreset}
|
|
cfg.ValidationMode = defaultValidationMode
|
|
cfg.ForwardQueue = defaultForwardQueue
|
|
cfg.LogFile = &logFile
|
|
cfg.LogLevel = logLevel
|
|
},
|
|
// Re-establish default values if not set.
|
|
EnsureDefaults: func(cfg *downloader.Config) {
|
|
if cfg.Worker == 0 {
|
|
cfg.Worker = defaultWorker
|
|
}
|
|
if cfg.RemoteValidatorPresets == nil {
|
|
cfg.RemoteValidatorPresets = []string{defaultPreset}
|
|
}
|
|
switch cfg.ValidationMode {
|
|
case downloader.ValidationStrict, downloader.ValidationUnsafe:
|
|
default:
|
|
cfg.ValidationMode = downloader.ValidationStrict
|
|
}
|
|
if cfg.LogFile == nil {
|
|
cfg.LogFile = &logFile
|
|
}
|
|
if cfg.LogLevel == nil {
|
|
cfg.LogLevel = logLevel
|
|
}
|
|
},
|
|
}
|
|
return p.Parse()
|
|
}
|
|
|
|
func run(cfg *downloader.Config, domains []string) error {
|
|
d, err := downloader.NewDownloader(cfg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer d.Close()
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
ctx, stop := signal.NotifyContext(ctx, os.Interrupt)
|
|
defer stop()
|
|
|
|
if cfg.ForwardURL != "" {
|
|
f := downloader.NewForwarder(cfg)
|
|
go f.Run()
|
|
defer func() {
|
|
f.Log()
|
|
f.Close()
|
|
}()
|
|
d.Forwarder = f
|
|
}
|
|
|
|
// If the enumerate-only flag is set, enumerate found PMDs,
|
|
// else use the normal load method
|
|
if cfg.EnumeratePMDOnly {
|
|
return d.RunEnumerate(domains)
|
|
}
|
|
return d.Run(ctx, domains)
|
|
}
|
|
|
|
func main() {
|
|
|
|
domains, cfg, err := parseArgsConfig()
|
|
options.ErrorCheck(err)
|
|
options.ErrorCheck(cfg.Prepare())
|
|
|
|
if len(domains) == 0 {
|
|
slog.Warn("No domains given.")
|
|
return
|
|
}
|
|
|
|
options.ErrorCheck(run(cfg, domains))
|
|
}
|