forked from vulsio/goval-dictionary
/
fetch-ubuntu.go
172 lines (146 loc) · 4.39 KB
/
fetch-ubuntu.go
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package commands
import (
"context"
"encoding/xml"
"flag"
"os"
"strings"
"time"
"github.com/google/subcommands"
"github.com/inconshreveable/log15"
c "github.com/kotakanbe/goval-dictionary/config"
"github.com/kotakanbe/goval-dictionary/db"
"github.com/kotakanbe/goval-dictionary/fetcher"
"github.com/kotakanbe/goval-dictionary/models"
"github.com/kotakanbe/goval-dictionary/util"
"github.com/ymomoi/goval-parser/oval"
)
// FetchUbuntuCmd is Subcommand for fetch RedHat OVAL
type FetchUbuntuCmd struct {
Debug bool
DebugSQL bool
Quiet bool
NoDetails bool
LogDir string
LogJSON bool
DBPath string
DBType string
HTTPProxy string
}
// Name return subcommand name
func (*FetchUbuntuCmd) Name() string { return "fetch-ubuntu" }
// Synopsis return synopsis
func (*FetchUbuntuCmd) Synopsis() string { return "Fetch Vulnerability dictionary from Ubuntu" }
// Usage return usage
func (*FetchUbuntuCmd) Usage() string {
return `fetch-ubuntu:
fetch-ubuntu
[-dbtype=sqlite3|mysql|postgres|redis]
[-dbpath=$PWD/oval.sqlite3 or connection string]
[-http-proxy=http://192.168.0.1:8080]
[-debug]
[-debug-sql]
[-quiet]
[-no-details]
[-log-dir=/path/to/log]
[-log-json]
For the first time, run the blow command to fetch data for all versions.
$ goval-dictionary fetch-ubuntu 12 14 16 18
`
}
// SetFlags set flag
func (p *FetchUbuntuCmd) SetFlags(f *flag.FlagSet) {
f.BoolVar(&p.Debug, "debug", false, "debug mode")
f.BoolVar(&p.DebugSQL, "debug-sql", false, "SQL debug mode")
f.BoolVar(&p.Quiet, "quiet", false, "quiet mode (no output)")
f.BoolVar(&p.NoDetails, "no-details", false, "without vulnerability details")
defaultLogDir := util.GetDefaultLogDir()
f.StringVar(&p.LogDir, "log-dir", defaultLogDir, "/path/to/log")
f.BoolVar(&p.LogJSON, "log-json", false, "output log as JSON")
pwd := os.Getenv("PWD")
f.StringVar(&p.DBPath, "dbpath", pwd+"/oval.sqlite3",
"/path/to/sqlite3 or SQL connection string")
f.StringVar(&p.DBType, "dbtype", "sqlite3",
"Database type to store data in (sqlite3, mysql, postgres or redis supported)")
f.StringVar(
&p.HTTPProxy,
"http-proxy",
"",
"http://proxy-url:port (default: empty)",
)
}
// Execute execute
func (p *FetchUbuntuCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
c.Conf.Quiet = p.Quiet
c.Conf.DebugSQL = p.DebugSQL
c.Conf.Debug = p.Debug
c.Conf.DBPath = p.DBPath
c.Conf.DBType = p.DBType
c.Conf.HTTPProxy = p.HTTPProxy
c.Conf.NoDetails = p.NoDetails
util.SetLogger(p.LogDir, c.Conf.Quiet, c.Conf.Debug, p.LogJSON)
if !c.Conf.Validate() {
return subcommands.ExitUsageError
}
if len(f.Args()) == 0 {
log15.Error("Specify versions to fetch")
return subcommands.ExitUsageError
}
driver, locked, err := db.NewDB(c.Ubuntu, c.Conf.DBType, c.Conf.DBPath, c.Conf.DebugSQL)
if err != nil {
if locked {
log15.Error("Failed to open DB. Close DB connection before fetching", "err", err)
return subcommands.ExitFailure
}
log15.Error("Failed to open DB", "err", err)
return subcommands.ExitFailure
}
// Distinct
v := map[string]bool{}
vers := []string{}
for _, arg := range f.Args() {
v[arg] = true
}
for k := range v {
vers = append(vers, k)
}
results, err := fetcher.FetchUbuntuFiles(vers)
if err != nil {
log15.Error("Failed to fetch files", "err", err)
return subcommands.ExitFailure
}
for _, r := range results {
ovalroot := oval.Root{}
if err = xml.Unmarshal(r.Body, &ovalroot); err != nil {
log15.Error("Failed to unmarshal", "url", r.URL, "err", err)
return subcommands.ExitUsageError
}
log15.Info("Fetched", "URL", r.URL, "OVAL definitions", len(ovalroot.Definitions.Definitions))
defs := models.ConvertUbuntuToModel(&ovalroot)
var timeformat = "2006-01-02T15:04:05"
t, err := time.Parse(timeformat, ovalroot.Generator.Timestamp)
if err != nil {
panic(err)
}
root := models.Root{
Family: c.Ubuntu,
OSVersion: r.Target,
Definitions: defs,
Timestamp: time.Now(),
}
ss := strings.Split(r.URL, "/")
fmeta := models.FetchMeta{
Timestamp: t,
FileName: ss[len(ss)-1],
}
if err := driver.InsertOval(&root, fmeta); err != nil {
log15.Error("Failed to insert OVAL", "err", err)
return subcommands.ExitFailure
}
if err := driver.InsertFetchMeta(fmeta); err != nil {
log15.Error("Failed to insert meta", "err", err)
return subcommands.ExitFailure
}
}
return subcommands.ExitSuccess
}