client/pkg/processing/parse_dumps.go

98 lines
2.5 KiB
Go

// Sofaraum client is the client software which collects statistics about
// wifi devices nearby and then sends them to the Sofaraum Server.
// Copyright (c) 2018.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package processing
import (
"bufio"
"bytes"
"encoding/csv"
"git.kolaente.de/sofaraum/client/pkg/config"
"git.kolaente.de/sofaraum/client/pkg/models"
"git.kolaente.de/sofaraum/client/pkg/utils"
"io/ioutil"
"log"
"os"
"path/filepath"
"strconv"
"strings"
)
// ParseCSVDumps extracts data from airdump-ng's csv files in a format we can handle
func ParseCSVDumps(pathToDumps string) (clients []*models.WifiClient) {
err := filepath.Walk(pathToDumps, func(dumpPath string, info os.FileInfo, err error) error {
if err != nil {
return err
}
// Only csv files
if info.IsDir() || filepath.Ext(dumpPath) != ".csv" {
return nil
}
bs, err := ioutil.ReadFile(dumpPath)
if err != nil {
log.Fatal(err)
}
all := string(bs)
i := 0
i = strings.Index(all, config.TheClientCSVHeader)
if i > 0 {
arefun := all[i+len(config.TheClientCSVHeader)+1:]
arefun = strings.Replace(arefun, " ", "", -1)
scanner := bufio.NewScanner(strings.NewReader(arefun))
for scanner.Scan() {
r := csv.NewReader(bytes.NewReader(scanner.Bytes()))
record, err := r.Read()
if err != nil {
if err.Error() == "EOF" {
continue
}
log.Fatal(err)
}
power, err := strconv.ParseInt(record[3], 10, 64)
if err != nil {
log.Fatal(err)
}
packets, err := strconv.ParseInt(record[4], 10, 64)
if err != nil {
log.Fatal(err)
}
clients = append(clients, &models.WifiClient{
MACAdress: record[0],
FirstSeen: utils.ParseDateToUnix(record[1]),
LastSeen: utils.ParseDateToUnix(record[2]),
Power: power,
Packets: packets,
})
}
}
return nil
})
if err != nil {
log.Fatal(err)
}
return
}