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January 28, 2017 06:18
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KotoEncoderからダンプするやつ
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package main | |
import ( | |
"bufio" | |
"bytes" | |
"flag" | |
"fmt" | |
"io/ioutil" | |
"log" | |
"net" | |
"net/http" | |
) | |
var addr = flag.String("a", "127.0.0.1:8080", "取得するホストアドレス") | |
var size = flag.Int64("s", 500000, "取得するバイトサイズ") | |
var output = flag.String("o", "./dump.raw", "ダンプしたデータ保存先") | |
func main() { | |
flag.Parse() | |
conn, err := net.Dial("tcp", *addr) | |
if err != nil { | |
log.Fatal(err) | |
} | |
defer conn.Close() | |
_, err = fmt.Fprintf(conn, "GET / HTTP/1.0\r\nUser-Agent: NSPlayer/4.1.0.3856\r\nPragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}\r\n\r\n") | |
if err != nil { | |
log.Fatal(err) | |
} | |
bReader := bufio.NewReader(conn) | |
var bBuf bytes.Buffer | |
// HTTPレスポンスデータを破棄するために実行 | |
req := http.Request{} | |
_, err = http.ReadResponse(bReader, &req) | |
if err != nil { | |
log.Fatal(err) | |
} | |
// メモリへダンプ | |
for i := int64(0); i < *size; i++ { | |
b, err := bReader.ReadByte() | |
if err != nil { | |
log.Fatal(err) | |
} | |
_, err = bBuf.Write([]byte{b}) | |
if err != nil { | |
log.Fatal(err) | |
} | |
} | |
err = ioutil.WriteFile(*output, bBuf.Bytes(), 0644) | |
if err != nil { | |
log.Fatal(err) | |
} | |
} |
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