new: [dev] initial commit

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Jean-Louis Huynen 2019-06-03 16:31:25 +02:00
commit aedc171264
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LICENCE Normal file
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MIT License
Copyright (C) 2018 Jean-Louis Huynen
Copyright (C) 2018 CIRCL - Computer Incident Response Center Luxembourg (SMILE gie)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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balboa.go Normal file
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package main
import (
"flag"
"fmt"
"log"
"net"
"os"
"os/signal"
"strconv"
"errors"
"strings"
"github.com/D4-project/d4-golang-utils/config"
"github.com/gomodule/redigo/redis"
)
type (
conf struct {
redisHost string
redisPort string
redisDB int
redisQueue string
balboaSocket string
}
)
var (
confdir = flag.String("c", "conf.sample", "configuration directory")
connectRedis = true
cr redis.Conn
)
func main() {
// Control Chan
s := make(chan os.Signal, 1)
signal.Notify(s, os.Interrupt, os.Kill)
// Usage and flags
flag.Usage = func() {
fmt.Printf("analyzer-d4-balboa - export D4 Type 8 to Balboa UNIX socket:\n\n")
fmt.Printf("\n")
fmt.Printf("Usage:\n\n analyzer-d4-balboa -c config_directory\n")
fmt.Printf("\n")
fmt.Printf("Configuration:\n\n")
fmt.Printf(" The configuration settings are stored in files in the configuration directory\n")
fmt.Printf(" specified with the -c command line switch.\n\n")
fmt.Printf("Files in the configuration directory:\n")
fmt.Printf("\n")
fmt.Printf(" redis - d4 server\n")
fmt.Printf(" | host:port/db\n")
fmt.Printf(" redis_queue - type and uuid of the redis queue\n")
fmt.Printf(" | type:uuid \n")
fmt.Printf(" balboa_socket - socket file to balboa\n")
fmt.Printf(" | /tmp/balboa.sock\n")
fmt.Printf("\n")
flag.PrintDefaults()
}
// Config
c := conf{}
flag.Parse()
if flag.NFlag() == 0 || *confdir == "" {
flag.Usage()
os.Exit(1)
} else {
*confdir = strings.TrimSuffix(*confdir, "/")
*confdir = strings.TrimSuffix(*confdir, "\\")
}
// Parse Redis Config
tmp := config.ReadConfigFile(*confdir, "redis")
ss := strings.Split(string(tmp), "/")
if len(ss) <= 1 {
log.Fatal("Missing Database in Redis config: should be host:port/database_name")
}
c.redisDB, _ = strconv.Atoi(ss[1])
var ret bool
ret, ss[0] = config.IsNet(ss[0])
if !ret {
sss := strings.Split(string(ss[0]), ":")
c.redisHost = sss[0]
c.redisPort = sss[1]
}
c.redisQueue = string(config.ReadConfigFile(*confdir, "redis_queue"))
c.balboaSocket = string(config.ReadConfigFile(*confdir, "balboa_socket"))
//TODO: handle empty ...
initRedis(c.redisHost, c.redisPort, c.redisDB)
defer cr.Close()
cs, err := net.Dial("unix", c.balboaSocket)
//defer cs.Close()
if err != nil {
panic(err)
}
// pop redis queue
for {
dnsLine, err := redis.String(cr.Do("LPOP", "analyzer:"+c.redisQueue))
if err != nil {
log.Fatal("Queue processed")
}
// Write in Balboa socket
cs.Write([]byte(dnsLine))
//TODO: Check that it works...
// Exit Signal Handle
select {
case <-s:
fmt.Println("Exiting...")
os.Exit(0)
default:
continue
}
}
}
func initRedis(host string, port string, d int) {
err := errors.New("")
cr, err = redis.Dial("tcp", host+":"+port, redis.DialDatabase(d))
if err != nil {
panic(err)
}
}

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/tmp/balboa.sock

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conf.sample/redis Normal file
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localhost:6380/2

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conf.sample/redis_queue Normal file
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8:9730f-d70f-447e-8661-4a9143ad40ff

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go.mod Normal file
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module github.com/D4-project/analyzer-d4-balboa
go 1.12
require (
github.com/D4-project/d4-golang-utils v0.0.0-20190603131519-c10ee092655c // indirect
github.com/gomodule/redigo v2.0.0+incompatible // indirect
)

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go.sum Normal file
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github.com/D4-project/d4-golang-utils v0.0.0-20190603131519-c10ee092655c h1:NfASgeIzH3ULEOYgDZwZCmq+C+LgrcSBOzNLsWT+RAc=
github.com/D4-project/d4-golang-utils v0.0.0-20190603131519-c10ee092655c/go.mod h1:2rq8KBQnNNDocwc/49cnpaqoQA/komoSHKom7ynvqJc=
github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gomodule/redigo v2.0.0+incompatible h1:K/R+8tc58AaqLkqG2Ol3Qk+DR/TlNuhuh457pBFPtt0=
github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=