Add missing files, update style
This commit is contained in:
@@ -0,0 +1,53 @@
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package web
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import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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"pcap-web-tools/internal/pcap"
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)
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type reorderPage struct {
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MaxUpload string
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Error string
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}
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func (s *Server) handleReorderForm(w http.ResponseWriter, r *http.Request) {
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s.render(w, http.StatusOK, "reorder.html", "/reorder", reorderPage{MaxUpload: s.maxUpload()})
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}
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func (s *Server) handleReorder(w http.ResponseWriter, r *http.Request) {
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page := reorderPage{MaxUpload: s.maxUpload()}
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fail := func(status int, msg string) {
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page.Error = msg
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s.render(w, status, "reorder.html", "/reorder", page)
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}
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file, hdr, status, msg := s.parseUpload(w, r)
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if status != 0 {
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fail(status, msg)
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return
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}
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defer file.Close()
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// Indexing reads the whole file, so problems are reported on the page
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// before any of the download is sent.
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ro, err := pcap.NewReorder(file, hdr.Size)
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if err != nil {
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fail(http.StatusBadRequest, hdr.Filename+": "+err.Error())
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return
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}
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w.Header().Set("Content-Type", "application/vnd.tcpdump.pcap")
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%q", uploadStem(hdr)+"_reordered.pcap"))
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// Summary for scripted clients; browsers just save the file.
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w.Header().Set("X-Pcap-Packets", strconv.Itoa(ro.Packets()))
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w.Header().Set("X-Pcap-Out-Of-Order", strconv.Itoa(ro.OutOfOrder()))
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w.Header().Set("X-Pcap-Truncated", strconv.FormatBool(ro.Truncated()))
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if _, err := ro.WriteTo(w); err != nil {
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// The response has already started, so the error cannot be shown on the page.
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log.Printf("reorder %q: %v", hdr.Filename, err)
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}
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}
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@@ -0,0 +1,60 @@
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package web
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import (
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"bytes"
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"io"
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"net/http"
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"strings"
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"testing"
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"time"
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"pcap-web-tools/internal/pcap"
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)
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func TestReorderHandler(t *testing.T) {
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srv, err := New(Config{MaxUploadBytes: 1 << 20})
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if err != nil {
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t.Fatal(err)
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}
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var in bytes.Buffer
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w, _ := pcap.NewWriter(&in, pcap.LinkTypeEthernet)
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for _, sec := range []int64{3, 1, 2} {
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w.WritePacket(time.Unix(sec, 0), []byte{byte(sec)})
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}
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rec := postUpload(t, srv, "/reorder", "trace.pcap", in.Bytes(), nil)
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if rec.Code != http.StatusOK {
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t.Fatalf("status %d: %s", rec.Code, rec.Body)
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}
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if cd := rec.Header().Get("Content-Disposition"); cd != `attachment; filename="trace_reordered.pcap"` {
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t.Errorf("Content-Disposition %q", cd)
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}
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if got := rec.Header().Get("X-Pcap-Out-Of-Order"); got != "2" {
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t.Errorf("X-Pcap-Out-Of-Order %q", got)
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}
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r, err := pcap.NewReader(rec.Body)
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if err != nil {
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t.Fatal(err)
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}
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var order []byte
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for {
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p, err := r.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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t.Fatal(err)
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}
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order = append(order, p[16])
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}
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if !bytes.Equal(order, []byte{1, 2, 3}) {
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t.Errorf("order %v", order)
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}
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for name, file := range map[string][]byte{"no file": nil, "not pcap": []byte("hello world, not a pcap file")} {
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rec := postUpload(t, srv, "/reorder", "x.pcap", file, nil)
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if rec.Code != http.StatusBadRequest || !strings.Contains(rec.Body.String(), `class="error"`) {
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t.Errorf("%s: status %d", name, rec.Code)
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}
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}
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}
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After Width: | Height: | Size: 853 B |
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After Width: | Height: | Size: 1.4 KiB |
+429
-103
@@ -1,127 +1,453 @@
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/*
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* Shared stylesheet for all pcap tools pages.
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*
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* Follows the utel-frontend design: dark theme, utel color tokens, Inter /
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* Dazzed / Roboto Mono fonts, top bar with a sidebar, "widget" cards and
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* pill shaped buttons and inputs.
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*/
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/* ---------- Fonts ---------- */
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@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("/static/fonts/inter-v12-latin-regular.woff2") format("woff2"); }
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@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("/static/fonts/inter-v12-latin-500.woff2") format("woff2"); }
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@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("/static/fonts/inter-v12-latin-600.woff2") format("woff2"); }
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@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("/static/fonts/inter-v12-latin-700.woff2") format("woff2"); }
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@font-face { font-family: "Dazzed-Medium"; font-display: swap; src: url("/static/fonts/Dazzed-Medium.otf") format("opentype"); }
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@font-face { font-family: "Roboto-mono"; font-display: swap; src: url("/static/fonts/RobotoMono-Regular.ttf") format("truetype"); }
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/* ---------- Tokens (from utel-frontend variables.scss) ---------- */
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:root {
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--bg: #f7f7f5;
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--fg: #1d1d1f;
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--muted: #6b6b70;
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--card: #ffffff;
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--border: #d9d9de;
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--accent: #2463eb;
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--accent-fg: #ffffff;
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--error-bg: #fdecec;
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--error-fg: #9b1c1c;
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--l2: #b45309;
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--l3: #1d4ed8;
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--l7: #047857;
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--mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
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color-scheme: dark;
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--utel-body-background: #191c1c;
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--utel-navigation-background: #1f2f2e;
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--utel-navigation-background-darken: #15201f;
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--utel-text-color: #fff;
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--utel-scrollbar-color: #696969;
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--utel-icon-label-text-color: #a7a7a7;
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--utel-icon-color: #d2d2d2;
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--utel-p-text-color: #d3d3d3;
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--utel-title-text-color: #d8d8d8;
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--utel-title-link-color: #a7a7a7;
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--utel-navigation-darker-text-color: #e6e6e6;
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--utel-content-background: #242828;
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--utel-content-darker-background: #1c1f1f;
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--utel-content-text-color: #d8d8d8;
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--utel-highlight-text-color: #9ed7aa;
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--utel-content-border-color: #707070ac;
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--utel-modal-border-color: #303434;
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--utel-solid-button-color: #6da478;
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--utel-solid-button-color-darker: #5d9568;
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--utel-widget-button-color: #3c4343;
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--utel-widget-button-color-darker: #434b4b;
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--utel-widget-title-border: #1c1f1f;
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--utel-widget-border: #323737;
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--utel-content-hover-color: #393d3d;
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--utel-fraud-color-yellow: #e4b266;
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--utel-fraud-color-red: #ea6f80;
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--utel-table-color: #2d3232;
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--utel-table-split-color: #242828;
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--utel-table-header-text-color: #9a9a9a;
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--utel-severity-color-low: #6daa9c;
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--utel-input-border-color: #3b4040;
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--top-bar-height: 55px;
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--sidebar-width: 220px;
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--font-body: "Inter", system-ui, sans-serif;
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--font-heading: "Dazzed-Medium", "Inter", sans-serif;
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--font-mono: "Roboto-mono", ui-monospace, Menlo, Consolas, monospace;
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}
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@media (prefers-color-scheme: dark) {
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:root {
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--bg: #161618;
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--fg: #e8e8ea;
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--muted: #9a9aa2;
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--card: #1f1f22;
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--border: #36363c;
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--accent: #5b8cff;
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--accent-fg: #0b0b0c;
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--error-bg: #3a1717;
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--error-fg: #ffb4b4;
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--l2: #f5a65b;
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--l3: #8fb0ff;
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--l7: #5fd3a6;
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}
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}
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/* ---------- Base ---------- */
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* { box-sizing: border-box; }
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*, *::before, *::after { box-sizing: border-box; }
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html, body { margin: 0; }
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body {
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margin: 0;
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background: var(--bg);
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color: var(--fg);
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font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
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background: var(--utel-body-background);
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color: var(--utel-text-color);
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font: 400 15px/1.5 var(--font-body);
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scrollbar-color: var(--utel-scrollbar-color) transparent;
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scrollbar-width: thin;
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}
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header { border-bottom: 1px solid var(--border); background: var(--card); }
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nav { max-width: 960px; margin: 0 auto; padding: 0.75rem 1rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }
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nav a { color: var(--muted); text-decoration: none; }
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nav a:hover, nav a.active { color: var(--fg); }
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nav a.brand { color: var(--fg); font-weight: 600; }
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::-webkit-scrollbar { width: 7px; height: 7px; }
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::-webkit-scrollbar-track { background: transparent; border-radius: 80px; }
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::-webkit-scrollbar-thumb { background-color: var(--utel-scrollbar-color); border-radius: 80px; }
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main { max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
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h1 { margin: 0 0 0.5rem; font-size: 1.6rem; }
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h2 { font-size: 1.25rem; margin: 0 0 0.75rem; }
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h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }
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.lead { color: var(--muted); margin-top: 0; }
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a { color: var(--accent); }
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code { font-family: var(--mono); font-size: 0.9em; }
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.hint { color: var(--muted); font-weight: normal; font-size: 0.85em; }
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h1, h2, h3 { font-family: var(--font-heading); font-weight: normal; margin: 0; }
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h1 { font-size: 20px; }
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h2 { font-size: 16px; }
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h3 { font-size: 15px; color: var(--utel-title-text-color); margin: 16px 0 8px; }
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.tools { list-style: none; padding: 0; display: grid; gap: 0.75rem; }
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.tools li { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; }
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.tools a { font-weight: 600; font-size: 1.05rem; }
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.tools p { margin: 0.25rem 0 0; color: var(--muted); }
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p { color: var(--utel-p-text-color); }
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a { color: var(--utel-highlight-text-color); }
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code, pre { font-family: var(--font-mono); font-size: 13px; }
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form label { display: block; font-weight: 600; margin: 1rem 0 0.3rem; }
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textarea, input, select {
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width: 100%;
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font: inherit;
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color: var(--fg);
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background: var(--card);
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border: 1px solid var(--border);
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border-radius: 6px;
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padding: 0.5rem 0.6rem;
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.hint { color: var(--utel-icon-label-text-color); font-weight: 400; font-size: 13px; }
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.note { color: var(--utel-icon-label-text-color); font-size: 14px; margin: 6px 0; }
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.visually-hidden {
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position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
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overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
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}
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textarea { font-family: var(--mono); font-size: 0.9rem; resize: vertical; }
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textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
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fieldset { border: 0; padding: 0; margin: 0; }
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label.check { display: flex; gap: 0.5rem; align-items: baseline; flex-wrap: wrap; font-weight: 600; }
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label.check input { width: auto; }
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.row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }
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@media (max-width: 720px) { .row { grid-template-columns: 1fr; gap: 0; } }
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/* ---------- Top bar ---------- */
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.actions { margin-top: 1.25rem; display: flex; gap: 0.75rem; }
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button {
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font: inherit;
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padding: 0.5rem 1.1rem;
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border-radius: 6px;
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border: 1px solid var(--border);
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background: var(--card);
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color: var(--fg);
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.topbar {
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position: sticky;
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top: 0;
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z-index: 20;
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display: flex;
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align-items: center;
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height: var(--top-bar-height);
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background: var(--utel-navigation-background);
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border-bottom: 1px solid var(--utel-body-background);
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}
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.burger {
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display: grid;
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place-items: center;
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width: var(--top-bar-height);
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height: var(--top-bar-height);
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flex: none;
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background: var(--utel-navigation-background-darken);
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cursor: pointer;
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}
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button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
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.burger svg { width: 19px; fill: var(--utel-text-color); }
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.nav-toggle:focus-visible + .topbar .burger { outline: 2px solid var(--utel-solid-button-color); outline-offset: -2px; }
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.error { background: var(--error-bg); color: var(--error-fg); padding: 0.75rem 1rem; border-radius: 6px; margin: 1rem 0; }
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.note { color: var(--muted); margin: 0.35rem 0; }
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.app-title {
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margin-left: 15px;
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font: 16px/var(--top-bar-height) var(--font-heading);
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color: var(--utel-text-color);
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text-decoration: none;
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}
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.result { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
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.summary { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 0; }
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.summary dt { color: var(--muted); }
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.logo-symbol {
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position: absolute;
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left: 50%;
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transform: translateX(-50%);
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display: flex;
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}
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.logo-symbol svg { width: 40px; height: 40px; fill: var(--utel-text-color); }
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/* ---------- Sidebar ---------- */
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.sidebar {
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position: fixed;
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top: var(--top-bar-height);
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left: 0;
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z-index: 10;
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width: var(--sidebar-width);
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height: calc(100% - var(--top-bar-height));
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overflow-y: auto;
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background: var(--utel-navigation-background-darken);
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transition: transform 0.15s ease;
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}
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.nav-section {
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display: flex;
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align-items: center;
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gap: 8px;
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margin-top: 10px;
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padding: 8px 15px;
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color: var(--utel-icon-label-text-color);
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font-size: 11px;
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letter-spacing: 0.8px;
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text-transform: uppercase;
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}
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.nav-item {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 6px 15px;
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color: var(--utel-text-color);
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font-weight: 500;
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font-size: 15px;
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text-decoration: none;
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}
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.nav-item:hover, .nav-item.active { background: var(--utel-navigation-background); }
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.nav-item.active { color: var(--utel-highlight-text-color); }
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.nav-item::before {
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content: "";
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width: 6px;
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height: 6px;
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border-radius: 50%;
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background: var(--utel-solid-button-color);
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flex: none;
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}
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/*
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* The burger toggles the sidebar using a checkbox, so no JavaScript is needed.
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* Wide screens show the sidebar by default and the burger hides it; narrow
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* screens hide it by default and the burger shows it over the content.
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*/
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.content { margin-left: var(--sidebar-width); padding: 10px; transition: margin-left 0.15s ease; }
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.nav-toggle:checked ~ .sidebar { transform: translateX(-100%); }
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.nav-toggle:checked ~ .content { margin-left: 0; }
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@media (max-width: 64rem) {
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.sidebar { transform: translateX(-100%); box-shadow: 4px 0 12px rgb(0 0 0 / 0.35); }
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.nav-toggle:checked ~ .sidebar { transform: none; }
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.content { margin-left: 0; }
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.logo-symbol { display: none; }
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}
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/* ---------- Page toolbar ---------- */
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.toolbar {
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display: flex;
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align-items: baseline;
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flex-wrap: wrap;
|
||||
gap: 0 20px;
|
||||
margin: 0 5px 10px;
|
||||
font-size: 16px;
|
||||
}
|
||||
.breadcrumb { color: var(--utel-navigation-darker-text-color); }
|
||||
.toolbar-link { color: var(--utel-title-link-color); text-decoration: none; }
|
||||
.toolbar-link:hover { color: var(--utel-title-text-color); border-bottom: 1px solid var(--utel-title-text-color); }
|
||||
.title-separator { margin: 0 5px 0 7px; color: var(--utel-title-link-color); }
|
||||
.toolbar-title { color: var(--utel-title-text-color); }
|
||||
.toolbar-info { color: var(--utel-icon-label-text-color); font-size: 14px; }
|
||||
|
||||
/* ---------- Widgets ---------- */
|
||||
|
||||
.widget {
|
||||
margin: 5px 5px 10px;
|
||||
background: var(--utel-content-background);
|
||||
border-radius: 5px;
|
||||
}
|
||||
.widget-title {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 10px;
|
||||
min-height: 38px;
|
||||
border-bottom: 1px solid var(--utel-widget-title-border);
|
||||
}
|
||||
.widget-title h2 { padding: 8px 0 8px 10px; color: var(--utel-title-text-color); }
|
||||
.widget-title .hint { margin-left: auto; padding-right: 10px; }
|
||||
.widget-content { padding: 10px; border-top: 1px solid var(--utel-widget-border); }
|
||||
.widget-content > :first-child { margin-top: 0; }
|
||||
.widget-content > :last-child { margin-bottom: 0; }
|
||||
|
||||
.widget-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
|
||||
.tool-card { display: flex; flex-direction: column; text-decoration: none; color: inherit; transition: background 0.1s; }
|
||||
.tool-card:hover { background: var(--utel-content-hover-color); }
|
||||
.tool-card .widget-content { flex: 1; color: var(--utel-p-text-color); font-size: 14px; }
|
||||
|
||||
/* ---------- Buttons ---------- */
|
||||
|
||||
.btn {
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
gap: 6px;
|
||||
height: 35px;
|
||||
padding: 6px 16px;
|
||||
border: 0;
|
||||
border-radius: 80px;
|
||||
font: 700 15px var(--font-body);
|
||||
color: var(--utel-text-color);
|
||||
background: var(--utel-widget-button-color);
|
||||
cursor: pointer;
|
||||
text-decoration: none;
|
||||
white-space: nowrap;
|
||||
}
|
||||
.btn:hover { background: var(--utel-widget-button-color-darker); }
|
||||
.btn:focus-visible { outline: 2px solid var(--utel-highlight-text-color); outline-offset: 2px; }
|
||||
.btn.primary { background: var(--utel-solid-button-color); }
|
||||
.btn.primary:hover { background: var(--utel-solid-button-color-darker); }
|
||||
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
|
||||
|
||||
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }
|
||||
|
||||
/* ---------- Forms ---------- */
|
||||
|
||||
label, .label {
|
||||
display: block;
|
||||
margin: 12px 0 4px;
|
||||
color: var(--utel-content-text-color);
|
||||
font-size: 14px;
|
||||
font-weight: 500;
|
||||
}
|
||||
|
||||
input, select, textarea {
|
||||
font: 400 14px var(--font-body);
|
||||
color: var(--utel-content-text-color);
|
||||
}
|
||||
|
||||
/* Single line inputs and selects: utel pill style */
|
||||
input:not([type=checkbox], [type=radio], [type=file]), select {
|
||||
width: 100%;
|
||||
height: 32px;
|
||||
padding: 0 15px;
|
||||
background: var(--utel-content-background);
|
||||
border: 1px solid var(--utel-input-border-color);
|
||||
border-radius: 64px;
|
||||
}
|
||||
select {
|
||||
appearance: none;
|
||||
padding-right: 36px;
|
||||
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23a7a7a7' stroke-width='1.6'/%3E%3C/svg%3E");
|
||||
background-repeat: no-repeat;
|
||||
background-position: right 14px center;
|
||||
background-size: 12px 8px;
|
||||
text-overflow: ellipsis;
|
||||
}
|
||||
select option { background: var(--utel-content-background); }
|
||||
|
||||
/* Multi-line hex input: same border, darker field, rounded rectangle */
|
||||
textarea {
|
||||
display: block;
|
||||
width: 100%;
|
||||
padding: 8px 12px;
|
||||
background: var(--utel-content-darker-background);
|
||||
border: 1px solid var(--utel-input-border-color);
|
||||
border-radius: 5px;
|
||||
font-family: var(--font-mono);
|
||||
font-size: 13px;
|
||||
resize: vertical;
|
||||
}
|
||||
|
||||
::placeholder { color: var(--utel-icon-label-text-color); opacity: 1; }
|
||||
|
||||
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--utel-solid-button-color); }
|
||||
|
||||
/* Checkbox and radio: 18px box with the utel green when checked */
|
||||
input[type=checkbox], input[type=radio] {
|
||||
appearance: none;
|
||||
flex: none;
|
||||
width: 18px;
|
||||
height: 18px;
|
||||
margin: 0;
|
||||
border: 1px solid var(--utel-content-border-color);
|
||||
border-radius: 3px;
|
||||
background: transparent;
|
||||
display: grid;
|
||||
place-items: center;
|
||||
cursor: pointer;
|
||||
}
|
||||
input[type=radio] { border-radius: 50%; }
|
||||
input[type=checkbox]:checked, input[type=radio]:checked {
|
||||
background: var(--utel-solid-button-color);
|
||||
border-color: var(--utel-solid-button-color);
|
||||
}
|
||||
input[type=checkbox]:checked::after {
|
||||
content: "";
|
||||
width: 10px;
|
||||
height: 6px;
|
||||
margin-top: -3px;
|
||||
border: solid var(--utel-text-color);
|
||||
border-width: 0 0 2px 2px;
|
||||
transform: rotate(-45deg);
|
||||
}
|
||||
input[type=radio]:checked::after {
|
||||
content: "";
|
||||
width: 8px;
|
||||
height: 8px;
|
||||
border-radius: 50%;
|
||||
background: var(--utel-text-color);
|
||||
}
|
||||
input[type=checkbox]:focus-visible, input[type=radio]:focus-visible { outline: 2px solid var(--utel-highlight-text-color); outline-offset: 2px; }
|
||||
|
||||
label.check {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
flex-wrap: wrap;
|
||||
gap: 8px;
|
||||
font-weight: 400;
|
||||
font-size: 15px;
|
||||
}
|
||||
|
||||
/* File input: the button looks like a secondary utel button */
|
||||
input[type=file] {
|
||||
width: 100%;
|
||||
padding: 4px;
|
||||
border: 1px dashed var(--utel-input-border-color);
|
||||
border-radius: 5px;
|
||||
color: var(--utel-icon-label-text-color);
|
||||
}
|
||||
input[type=file]::file-selector-button {
|
||||
height: 30px;
|
||||
margin-right: 12px;
|
||||
padding: 0 14px;
|
||||
border: 0;
|
||||
border-radius: 80px;
|
||||
font: 700 14px var(--font-body);
|
||||
color: var(--utel-text-color);
|
||||
background: var(--utel-widget-button-color);
|
||||
cursor: pointer;
|
||||
}
|
||||
input[type=file]::file-selector-button:hover { background: var(--utel-widget-button-color-darker); }
|
||||
|
||||
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
|
||||
legend { padding: 0; margin: 12px 0 4px; font-size: 14px; font-weight: 500; color: var(--utel-content-text-color); }
|
||||
|
||||
/* Three controls on one line: link type, custom link type, file name */
|
||||
.row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0 12px; align-items: start; }
|
||||
.row label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
|
||||
.field-hint { display: block; margin: 4px 0 0 15px; }
|
||||
@media (max-width: 720px) { .row { grid-template-columns: 1fr; } }
|
||||
|
||||
/* Split modes: radio with inline number input and unit */
|
||||
.modes label.check { margin: 8px 0; }
|
||||
.modes input.num { width: 8rem; }
|
||||
.modes select.unit { width: 5.5rem; }
|
||||
|
||||
/* ---------- Messages ---------- */
|
||||
|
||||
.error {
|
||||
margin: 0 5px 10px;
|
||||
padding: 10px 15px;
|
||||
border: 1px solid var(--utel-fraud-color-red);
|
||||
border-left-width: 4px;
|
||||
border-radius: 5px;
|
||||
background: rgb(234 111 128 / 0.1);
|
||||
color: var(--utel-text-color);
|
||||
}
|
||||
|
||||
/* ---------- Tables (utel table-theme) ---------- */
|
||||
|
||||
table { width: 100%; border-collapse: collapse; font-size: 14px; }
|
||||
th {
|
||||
padding: 0 10px 5px 5px;
|
||||
text-align: left;
|
||||
font-weight: 400;
|
||||
white-space: nowrap;
|
||||
color: var(--utel-table-header-text-color);
|
||||
}
|
||||
td {
|
||||
padding: 5px 10px 5px 5px;
|
||||
font-weight: 500;
|
||||
background: var(--utel-table-color);
|
||||
border-top: 1px solid var(--utel-table-split-color);
|
||||
}
|
||||
tr.changed td:last-child { color: var(--utel-highlight-text-color); }
|
||||
|
||||
/* ---------- hex2pcap result ---------- */
|
||||
|
||||
.summary { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; font-size: 14px; }
|
||||
.summary dt { color: var(--utel-icon-label-text-color); }
|
||||
.summary dd { margin: 0; }
|
||||
|
||||
table { border-collapse: collapse; width: 100%; background: var(--card); border: 1px solid var(--border); }
|
||||
th, td { text-align: left; padding: 0.4rem 0.75rem; border-bottom: 1px solid var(--border); }
|
||||
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
|
||||
tr.changed td:last-child { font-weight: 600; }
|
||||
|
||||
.dump {
|
||||
font-family: var(--mono);
|
||||
font-size: 0.85rem;
|
||||
background: var(--card);
|
||||
border: 1px solid var(--border);
|
||||
border-radius: 6px;
|
||||
padding: 0.75rem 1rem;
|
||||
margin: 0;
|
||||
padding: 10px 12px;
|
||||
overflow-x: auto;
|
||||
background: var(--utel-content-darker-background);
|
||||
border-radius: 5px;
|
||||
color: var(--utel-p-text-color);
|
||||
line-height: 1.6;
|
||||
}
|
||||
.dump .off { color: var(--muted); }
|
||||
.l2 { color: var(--l2); }
|
||||
.l3 { color: var(--l3); }
|
||||
.l7 { color: var(--l7); }
|
||||
.chg { text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }
|
||||
.dump .off { color: var(--utel-table-header-text-color); }
|
||||
.l2 { color: var(--utel-fraud-color-yellow); }
|
||||
.l3 { color: var(--utel-severity-color-low); }
|
||||
.l7 { color: var(--utel-p-text-color); }
|
||||
.chg { text-decoration: underline; text-underline-offset: 3px; color: var(--utel-highlight-text-color); font-weight: 700; }
|
||||
|
||||
input[type=file] { padding: 0.4rem; }
|
||||
.modes { margin-top: 1rem; }
|
||||
.modes legend { font-weight: 600; margin-bottom: 0.3rem; }
|
||||
.modes label.check { font-weight: normal; margin: 0.5rem 0; align-items: center; }
|
||||
.modes input.num { width: 8rem; }
|
||||
.modes select.unit { width: auto; }
|
||||
/* A hint under a checkbox lines up with the checkbox's text */
|
||||
label.check + .field-hint { margin: 2px 0 0 26px; }
|
||||
|
||||
@@ -1,35 +1,44 @@
|
||||
{{define "title"}}Hex → pcap{{end}}
|
||||
|
||||
{{define "toolbar-info"}}<span class="toolbar-info">Build a pcap file from hex · <a href="/hex2pcap?example" class="toolbar-link">Load example</a></span>{{end}}
|
||||
|
||||
{{define "content"}}
|
||||
{{with .Data}}
|
||||
<h1>Hex → pcap</h1>
|
||||
<p class="lead">
|
||||
Paste hex for each layer. The fields are decoded and concatenated into one packet.
|
||||
Any field may be empty, so you can also paste a whole packet into a single field.
|
||||
Spaces, newlines, <code>:</code>, <code>-</code>, <code>0x</code> and <code>\x</code> are ignored.
|
||||
<a href="/hex2pcap?example">Load example</a>.
|
||||
</p>
|
||||
|
||||
{{if .Error}}<div class="error" role="alert">{{.Error}}</div>{{end}}
|
||||
|
||||
<form method="post" action="/hex2pcap">
|
||||
<label for="l2">Layer 2 <span class="hint">e.g. Ethernet header</span></label>
|
||||
<textarea id="l2" name="l2" rows="2" spellcheck="false">{{.Form.L2}}</textarea>
|
||||
<section class="widget">
|
||||
<div class="widget-title"><h2>Packet</h2></div>
|
||||
<div class="widget-content">
|
||||
<p class="note">
|
||||
Paste hex for each layer. The fields are decoded and concatenated into one packet.
|
||||
Any field may be empty, so you can also paste a whole packet into a single field.
|
||||
Spaces, newlines, <code>:</code>, <code>-</code>, <code>0x</code> and <code>\x</code> are ignored.
|
||||
</p>
|
||||
|
||||
<label for="l3">Layer 3 <span class="hint">IPv4/IPv6 header with options, optionally followed by the TCP/UDP/ICMP header, or the SCTP header and chunk header(s)</span></label>
|
||||
<textarea id="l3" name="l3" rows="4" spellcheck="false">{{.Form.L3}}</textarea>
|
||||
<label for="l2">Layer 2 <span class="hint">e.g. Ethernet header</span></label>
|
||||
<textarea id="l2" name="l2" rows="2" spellcheck="false">{{.Form.L2}}</textarea>
|
||||
|
||||
<label for="l7">Payload <span class="hint">the rest of the packet, not interpreted</span></label>
|
||||
<textarea id="l7" name="l7" rows="6" spellcheck="false">{{.Form.L7}}</textarea>
|
||||
<label for="l3">Layer 3 <span class="hint">IPv4/IPv6 header with options, optionally followed by the TCP/UDP/ICMP header, or the SCTP header and chunk header(s)</span></label>
|
||||
<textarea id="l3" name="l3" rows="4" spellcheck="false">{{.Form.L3}}</textarea>
|
||||
|
||||
<fieldset>
|
||||
<label for="l7">Payload <span class="hint">the rest of the packet, not interpreted</span></label>
|
||||
<textarea id="l7" name="l7" rows="6" spellcheck="false">{{.Form.L7}}</textarea>
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<section class="widget">
|
||||
<div class="widget-title"><h2>Options</h2></div>
|
||||
<div class="widget-content">
|
||||
<label class="check">
|
||||
<input type="checkbox" name="fix"{{if .Form.Fix}} checked{{end}}>
|
||||
Recalculate IP lengths and checksums
|
||||
<span class="hint">IPv4/IPv6 length, IPv4 header checksum, TCP/UDP/ICMP/ICMPv6/SCTP checksum, UDP length.
|
||||
The end of the layer 3 field also sets the TCP data offset and the length of the SCTP chunk the payload belongs to
|
||||
(paste chunk data without padding).</span>
|
||||
</label>
|
||||
<p class="hint field-hint">
|
||||
IPv4/IPv6 length, IPv4 header checksum, TCP/UDP/ICMP/ICMPv6/SCTP checksum, UDP length.
|
||||
The end of the layer 3 field also sets the TCP data offset and the length of the SCTP chunk the payload belongs to
|
||||
(paste chunk data without padding).
|
||||
</p>
|
||||
|
||||
<div class="row">
|
||||
<div>
|
||||
@@ -39,55 +48,59 @@
|
||||
</select>
|
||||
</div>
|
||||
<div>
|
||||
<label for="customlinktype">Custom link type <span class="hint">when “Custom…” is selected</span></label>
|
||||
<input id="customlinktype" name="customlinktype" inputmode="numeric" value="{{.Form.CustomLinkType}}" placeholder="e.g. 228">
|
||||
<label for="customlinktype">Custom link type</label>
|
||||
<input id="customlinktype" name="customlinktype" inputmode="numeric" value="{{.Form.CustomLinkType}}" placeholder="e.g. 228" aria-describedby="customlinktype-hint">
|
||||
<span id="customlinktype-hint" class="hint field-hint">Used when “Custom…” is selected</span>
|
||||
</div>
|
||||
<div>
|
||||
<label for="filename">File name</label>
|
||||
<input id="filename" name="filename" value="{{.Form.Filename}}" placeholder="packet.pcap">
|
||||
</div>
|
||||
</div>
|
||||
</fieldset>
|
||||
|
||||
<div class="actions">
|
||||
<button type="submit" name="action" value="preview">Preview</button>
|
||||
<button type="submit" name="action" value="download" class="primary">Download pcap</button>
|
||||
<div class="actions">
|
||||
<button type="submit" name="action" value="preview" class="btn">Preview</button>
|
||||
<button type="submit" name="action" value="download" class="btn primary">Download pcap</button>
|
||||
</div>
|
||||
</div>
|
||||
</section>
|
||||
</form>
|
||||
|
||||
{{with .Result}}
|
||||
<section class="result">
|
||||
<h2>Preview</h2>
|
||||
<dl class="summary">
|
||||
<dt>Packet length</dt><dd>{{len .Packet}} bytes</dd>
|
||||
<dt>Link type</dt><dd>{{.LinkTypeName}} ({{.LinkType}})</dd>
|
||||
<dt>Layers</dt>
|
||||
<dd>
|
||||
<span class="l2">layer 2: {{.L2Len}}</span> ·
|
||||
<span class="l3">layer 3: {{.L3Len}}</span> ·
|
||||
<span class="l7">payload: {{.L7Len}}</span>
|
||||
</dd>
|
||||
</dl>
|
||||
<section class="widget">
|
||||
<div class="widget-title"><h2>Preview</h2></div>
|
||||
<div class="widget-content">
|
||||
<dl class="summary">
|
||||
<dt>Packet length</dt><dd>{{len .Packet}} bytes</dd>
|
||||
<dt>Link type</dt><dd>{{.LinkTypeName}} ({{.LinkType}})</dd>
|
||||
<dt>Layers</dt>
|
||||
<dd>
|
||||
<span class="l2">layer 2: {{.L2Len}}</span> ·
|
||||
<span class="l3">layer 3: {{.L3Len}}</span> ·
|
||||
<span class="l7">payload: {{.L7Len}}</span>
|
||||
</dd>
|
||||
</dl>
|
||||
|
||||
{{if .Fixed}}
|
||||
<h3>Fixups <span class="hint">IP header at offset {{.IPOffset}}</span></h3>
|
||||
<table>
|
||||
<thead><tr><th>Field</th><th>Old</th><th>New</th></tr></thead>
|
||||
<tbody>
|
||||
{{range .Fix.Changes}}
|
||||
<tr{{if ne .Old .New}} class="changed"{{end}}><td>{{.Field}}</td><td><code>{{.Old}}</code></td><td><code>{{.New}}</code></td></tr>
|
||||
{{end}}
|
||||
</tbody>
|
||||
</table>
|
||||
{{range .Fix.Notes}}<p class="note">{{.}}</p>{{end}}
|
||||
{{end}}
|
||||
{{if .Fixed}}
|
||||
<h3>Fixups <span class="hint">IP header at offset {{.IPOffset}}</span></h3>
|
||||
<table>
|
||||
<thead><tr><th>Field</th><th>Old</th><th>New</th></tr></thead>
|
||||
<tbody>
|
||||
{{range .Fix.Changes}}
|
||||
<tr{{if ne .Old .New}} class="changed"{{end}}><td>{{.Field}}</td><td><code>{{.Old}}</code></td><td><code>{{.New}}</code></td></tr>
|
||||
{{end}}
|
||||
</tbody>
|
||||
</table>
|
||||
{{range .Fix.Notes}}<p class="note">{{.}}</p>{{end}}
|
||||
{{end}}
|
||||
|
||||
<h3>Hex dump <span class="hint">changed bytes are underlined</span></h3>
|
||||
<pre class="dump">
|
||||
<h3>Hex dump <span class="hint">changed bytes are underlined</span></h3>
|
||||
<pre class="dump">
|
||||
{{- range .Dump -}}
|
||||
<span class="off">{{.Offset}}</span> {{range .Bytes}}<span class="{{.Class}}{{if .Changed}} chg{{end}}">{{.Hex}}</span>{{.Sep}}{{end}} {{.ASCII}}
|
||||
{{end -}}
|
||||
</pre>
|
||||
</div>
|
||||
</section>
|
||||
{{end}}
|
||||
{{end}}
|
||||
|
||||
@@ -1,14 +1,14 @@
|
||||
{{define "title"}}Home{{end}}
|
||||
{{define "title"}}Tools{{end}}
|
||||
|
||||
{{define "toolbar-info"}}<span class="toolbar-info">Small utilities for working with pcap packet captures</span>{{end}}
|
||||
|
||||
{{define "content"}}
|
||||
<h1>pcap tools</h1>
|
||||
<p class="lead">Small utilities for working with pcap packet captures.</p>
|
||||
<ul class="tools">
|
||||
<div class="widget-grid">
|
||||
{{range .Tools}}
|
||||
<li>
|
||||
<a href="{{.Path}}">{{.Name}}</a>
|
||||
<p>{{.Description}}</p>
|
||||
</li>
|
||||
<a href="{{.Path}}" class="widget tool-card">
|
||||
<div class="widget-title"><h2>{{.Name}}</h2></div>
|
||||
<div class="widget-content">{{.Description}}</div>
|
||||
</a>
|
||||
{{end}}
|
||||
</ul>
|
||||
</div>
|
||||
{{end}}
|
||||
|
||||
@@ -3,17 +3,36 @@
|
||||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="color-scheme" content="dark">
|
||||
<title>{{template "title" .}} · pcap tools</title>
|
||||
<link rel="icon" type="image/png" sizes="32x32" href="/static/images/favicon-32x32.png">
|
||||
<link rel="icon" type="image/png" sizes="16x16" href="/static/images/favicon-16x16.png">
|
||||
<link rel="stylesheet" href="/static/style.css">
|
||||
</head>
|
||||
<body>
|
||||
<header>
|
||||
<nav>
|
||||
<a href="/" class="brand">pcap tools</a>
|
||||
{{range .Tools}}<a href="{{.Path}}"{{if eq .Path $.Active}} class="active"{{end}}>{{.Name}}</a>{{end}}
|
||||
</nav>
|
||||
<input type="checkbox" id="nav-toggle" class="nav-toggle visually-hidden" aria-label="Toggle navigation">
|
||||
<header class="topbar">
|
||||
<label for="nav-toggle" class="burger" title="Menu">
|
||||
<svg viewBox="0 0 60 50" aria-hidden="true"><rect y="41.8" width="60" height="8.2"/><rect y="20.9" width="60" height="8.2"/><rect width="60" height="8.2"/></svg>
|
||||
</label>
|
||||
<a href="/" class="app-title">pcap tools</a>
|
||||
<a href="/" class="logo-symbol" aria-label="Home">
|
||||
<svg viewBox="0 0 25 25" aria-hidden="true"><path d="m15.3 18.8 1.9 4.2h2.1l-2.5-6.4zM9.9 19.8 7.5 19l.7 4h2z"/><path d="m18.7 8.1-1.2.8L15 7.1l-1.2 1.3L11 7.3l-.5 2.9 2.1 2.3-6.8 1.1.1-2.6-2.1.9.7 1.8-1 9.3h2.1l1.2-5.2 4.8 1.6 2.5 3.6h2.1l-2-4.3 4.4-6.7-.7-1.6.8-.4 1.4 3 1.4-2.8-2.8-2.1zm-3.8 2.2-.8-.5.9-1.4.8.5-.9 1.4zM9.195 2.368l1.042-.354 1.286 3.788-1.042.353zM5.072 3.737l.747-.808 3.892 3.597-.746.808z"/><path d="m4.483 8.179.274-1.065 3.777.97L8.26 9.15z"/></svg>
|
||||
</a>
|
||||
</header>
|
||||
<main>
|
||||
<nav class="sidebar" aria-label="Tools">
|
||||
<div class="nav-section">Tools</div>
|
||||
{{range .Tools}}<a href="{{.Path}}" class="nav-item{{if eq .Path $.Active}} active{{end}}"{{if eq .Path $.Active}} aria-current="page"{{end}}>{{.Name}}</a>
|
||||
{{end}}
|
||||
</nav>
|
||||
<main class="content">
|
||||
<div class="toolbar">
|
||||
<div class="breadcrumb">
|
||||
{{- if ne .Active "/"}}<a href="/" class="toolbar-link">pcap tools</a><span class="title-separator">/</span>{{end -}}
|
||||
<span class="toolbar-title">{{template "title" .}}</span>
|
||||
</div>
|
||||
{{block "toolbar-info" .}}{{end}}
|
||||
</div>
|
||||
{{template "content" .}}
|
||||
</main>
|
||||
</body>
|
||||
|
||||
@@ -0,0 +1,29 @@
|
||||
{{define "title"}}Reorder pcap{{end}}
|
||||
|
||||
{{define "toolbar-info"}}<span class="toolbar-info">Sort packets by timestamp, like <code>reordercap</code></span>{{end}}
|
||||
|
||||
{{define "content"}}
|
||||
{{with .Data}}
|
||||
{{if .Error}}<div class="error" role="alert">{{.Error}}</div>{{end}}
|
||||
|
||||
<form method="post" action="/reorder" enctype="multipart/form-data">
|
||||
<section class="widget">
|
||||
<div class="widget-title"><h2>Reorder</h2></div>
|
||||
<div class="widget-content">
|
||||
<p class="note">
|
||||
Packets with the same timestamp keep their original order. Packet data and the file header are not changed.
|
||||
</p>
|
||||
|
||||
<label for="file">pcap file <span class="hint">classic pcap, up to {{.MaxUpload}}. Convert pcapng with <code>editcap -F pcap</code></span></label>
|
||||
<input id="file" name="file" type="file" accept=".pcap,.cap,.dmp,application/vnd.tcpdump.pcap" required>
|
||||
|
||||
<p class="note">If the capture ends with a truncated packet, that packet is dropped.</p>
|
||||
|
||||
<div class="actions">
|
||||
<button type="submit" class="btn primary">Reorder and download</button>
|
||||
</div>
|
||||
</div>
|
||||
</section>
|
||||
</form>
|
||||
{{end}}
|
||||
{{end}}
|
||||
@@ -1,47 +1,51 @@
|
||||
{{define "title"}}Split pcap{{end}}
|
||||
|
||||
{{define "toolbar-info"}}<span class="toolbar-info">Split a pcap file by packet count or file size</span>{{end}}
|
||||
|
||||
{{define "content"}}
|
||||
{{with .Data}}
|
||||
<h1>Split pcap</h1>
|
||||
<p class="lead">
|
||||
Upload a pcap file and split it into several files by packet count or by file size.
|
||||
The parts are downloaded together as a zip.
|
||||
Packets are copied unchanged, and each part keeps the original file header.
|
||||
</p>
|
||||
|
||||
{{if .Error}}<div class="error" role="alert">{{.Error}}</div>{{end}}
|
||||
|
||||
<form method="post" action="/split" enctype="multipart/form-data">
|
||||
<label for="file">pcap file <span class="hint">classic pcap, up to {{.MaxUpload}}. Convert pcapng with <code>editcap -F pcap</code></span></label>
|
||||
<input id="file" name="file" type="file" accept=".pcap,.cap,.dmp,application/vnd.tcpdump.pcap" required>
|
||||
<section class="widget">
|
||||
<div class="widget-title"><h2>Split</h2></div>
|
||||
<div class="widget-content">
|
||||
<p class="note">
|
||||
The parts are downloaded together as a zip. Packets are copied unchanged, and each part keeps the original file header.
|
||||
</p>
|
||||
|
||||
<fieldset class="modes">
|
||||
<legend>Split by</legend>
|
||||
<label class="check">
|
||||
<input type="radio" name="mode" value="packets"{{if eq .Form.Mode "packets"}} checked{{end}}>
|
||||
At most
|
||||
<input name="packets" class="num" inputmode="numeric" value="{{.Form.Packets}}" aria-label="Packets per file">
|
||||
packets per file
|
||||
</label>
|
||||
<label class="check">
|
||||
<input type="radio" name="mode" value="size"{{if eq .Form.Mode "size"}} checked{{end}}>
|
||||
At most
|
||||
<input name="size" class="num" inputmode="decimal" value="{{.Form.Size}}" aria-label="Size per file">
|
||||
<select name="unit" class="unit" aria-label="Size unit">
|
||||
{{range .Units}}<option{{if eq . $.Data.Form.Unit}} selected{{end}}>{{.}}</option>{{end}}
|
||||
</select>
|
||||
per file
|
||||
<span class="hint">1 MB = 1,000,000 bytes. A packet bigger than this gets a file to itself.</span>
|
||||
</label>
|
||||
</fieldset>
|
||||
<label for="file">pcap file <span class="hint">classic pcap, up to {{.MaxUpload}}. Convert pcapng with <code>editcap -F pcap</code></span></label>
|
||||
<input id="file" name="file" type="file" accept=".pcap,.cap,.dmp,application/vnd.tcpdump.pcap" required>
|
||||
|
||||
<p class="note">
|
||||
At most {{.MaxParts}} output files. If the capture ends with a truncated packet, that packet is dropped.
|
||||
</p>
|
||||
<fieldset class="modes">
|
||||
<legend>Split by</legend>
|
||||
<label class="check">
|
||||
<input type="radio" name="mode" value="packets"{{if eq .Form.Mode "packets"}} checked{{end}}>
|
||||
At most
|
||||
<input name="packets" class="num" inputmode="numeric" value="{{.Form.Packets}}" aria-label="Packets per file">
|
||||
packets per file
|
||||
</label>
|
||||
<label class="check">
|
||||
<input type="radio" name="mode" value="size"{{if eq .Form.Mode "size"}} checked{{end}}>
|
||||
At most
|
||||
<input name="size" class="num" inputmode="decimal" value="{{.Form.Size}}" aria-label="Size per file">
|
||||
<select name="unit" class="unit" aria-label="Size unit">
|
||||
{{range .Units}}<option{{if eq . $.Data.Form.Unit}} selected{{end}}>{{.}}</option>{{end}}
|
||||
</select>
|
||||
per file
|
||||
</label>
|
||||
</fieldset>
|
||||
|
||||
<div class="actions">
|
||||
<button type="submit" class="primary">Split and download zip</button>
|
||||
<p class="note">
|
||||
1 MB = 1,000,000 bytes. A packet bigger than the size limit gets a file to itself.
|
||||
At most {{.MaxParts}} output files. If the capture ends with a truncated packet, that packet is dropped.
|
||||
</p>
|
||||
|
||||
<div class="actions">
|
||||
<button type="submit" class="btn primary">Split and download zip</button>
|
||||
</div>
|
||||
</div>
|
||||
</section>
|
||||
</form>
|
||||
{{end}}
|
||||
{{end}}
|
||||
|
||||
@@ -0,0 +1,42 @@
|
||||
package web
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"mime/multipart"
|
||||
"net/http"
|
||||
"path"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// parseUpload parses a multipart form with a file in the "file" field. On
|
||||
// failure it returns an HTTP status and a message for the page.
|
||||
//
|
||||
// Files bigger than 1 MB are spooled to temporary files rather than kept in
|
||||
// memory; net/http removes them when the handler returns.
|
||||
func (s *Server) parseUpload(w http.ResponseWriter, r *http.Request) (multipart.File, *multipart.FileHeader, int, string) {
|
||||
// Allow some slack over the file size limit for the multipart framing and form fields.
|
||||
r.Body = http.MaxBytesReader(w, r.Body, s.cfg.MaxUploadBytes+64<<10)
|
||||
if err := r.ParseMultipartForm(1 << 20); err != nil {
|
||||
var tooBig *http.MaxBytesError
|
||||
if errors.As(err, &tooBig) {
|
||||
return nil, nil, http.StatusRequestEntityTooLarge, "file too large; the maximum upload is " + s.maxUpload()
|
||||
}
|
||||
return nil, nil, http.StatusBadRequest, "bad upload: " + err.Error()
|
||||
}
|
||||
file, hdr, err := r.FormFile("file")
|
||||
if err != nil {
|
||||
return nil, nil, http.StatusBadRequest, "choose a pcap file"
|
||||
}
|
||||
return file, hdr, 0, ""
|
||||
}
|
||||
|
||||
func (s *Server) maxUpload() string {
|
||||
return fmt.Sprintf("%d MB", s.cfg.MaxUploadBytes/1e6)
|
||||
}
|
||||
|
||||
// uploadStem returns the sanitized name of an uploaded file without its extension.
|
||||
func uploadStem(hdr *multipart.FileHeader) string {
|
||||
name := safeName(hdr.Filename, "capture.pcap")
|
||||
return strings.TrimSuffix(name, path.Ext(name))
|
||||
}
|
||||
Reference in New Issue
Block a user