update

.env.example

@@ -18,3 +18,4 @@ TAPM_DEFAULT_HOST_LIMIT=3
 TAPM_MAX_HOST_LIMIT=25
 TAPM_MAX_UPLOAD_BYTES=1073741824
 TAPM_TRUST_PROXY_HEADERS=true
+TAPM_DISPLAY_TIME_ZONE=America/Chicago

docs/deployment.md

@@ -13,6 +13,7 @@ Set the broker to listen on all addresses on both webservers:
 
 ```dotenv
 TAPM_LISTEN_ADDR=0.0.0.0:8080
+TAPM_DISPLAY_TIME_ZONE=America/Chicago
 ```
 
 The wildcard bind accepts connections through each node's physical address and
@@ -206,8 +207,11 @@ technician's Gitea credentials for package operations.
 - Audit records are retained indefinitely unless an administrator establishes a
   database retention policy. The Codes view previews the newest 15 records; the
   Audit view can filter retained history by event, customer/deployment label,
-  user, host, package, source IP, or details and displays up to the newest 250
-  matching events.
+  user, host, package, LAN/WAN IP, or details and displays up to the newest 250
+  matching events. Audit timestamps are stored in UTC and rendered in
+  `TAPM_DISPLAY_TIME_ZONE`. Deployment exchanges record both the device LAN
+  address reported by TAPM and the WAN/source address received through the
+  trusted proxy chain.
 - Keep `.env` outside Git and readable only by the service administrator.
 - Rotate both Gitea package tokens and the OAuth secret if either webserver is
   compromised.

internal/app/audit_test.go

@@ -86,8 +86,9 @@ func TestAuditQueryUsesPlaceholders(t *testing.T) {
 		"taiadmin",
 		"pve01",
 		"sentinelone-linux",
-		"10.10.1.25",
 		"install-rmm",
+		"10.10.1.25",
+		"10.10.1.25",
 		250,
 	}
 	if !reflect.DeepEqual(arguments, expectedArguments) {

internal/app/authorization.go

@@ -207,7 +207,8 @@ func (s *Server) listAuditEventTypes(r *http.Request) ([]string, error) {
 
 func auditQuery(filters auditFilters, limit int) (string, []any) {
 	query := `SELECT ae.event_type, COALESCE(a.customer_label, ''), ae.actor,
-		          ae.hostname, ae.package_slug, ae.source_ip, ae.details, ae.created_at
+		          ae.hostname, ae.package_slug, ae.source_ip, ae.lan_ip,
+		          ae.details, ae.created_at
 		   FROM audit_events ae
 		   LEFT JOIN authorizations a ON a.id = ae.authorization_id
 		  WHERE 1 = 1`
@@ -233,7 +234,6 @@ func auditQuery(filters auditFilters, limit int) (string, []any) {
 		{"ae.actor", filters.User},
 		{"ae.hostname", filters.Hostname},
 		{"ae.package_slug", filters.PackageSlug},
-		{"ae.source_ip", filters.SourceIP},
 		{"ae.details", filters.Details},
 	}
 	for _, filter := range containsFilters {
@@ -243,6 +243,10 @@ func auditQuery(filters auditFilters, limit int) (string, []any) {
 		query += " AND LOCATE(?, " + filter.column + ") > 0"
 		arguments = append(arguments, filter.value)
 	}
+	if filters.SourceIP != "" {
+		query += " AND (LOCATE(?, ae.source_ip) > 0 OR LOCATE(?, ae.lan_ip) > 0)"
+		arguments = append(arguments, filters.SourceIP, filters.SourceIP)
+	}
 	query += " ORDER BY ae.created_at DESC LIMIT ?"
 	arguments = append(arguments, limit)
 	return query, arguments
@@ -270,6 +274,7 @@ func (s *Server) listAuditEvents(r *http.Request, filters auditFilters, limit in
 			&record.Hostname,
 			&record.PackageSlug,
 			&record.SourceIP,
+			&record.LANIP,
 			&record.Details,
 			&record.CreatedAt,
 		); err != nil {
@@ -618,6 +623,23 @@ func (s *Server) audit(
 	packageSlug string,
 	sourceIP string,
 	details string,
+) error {
+	return s.auditWithNetwork(
+		ctx, eventType, user, authorizationID, hostname, packageSlug,
+		sourceIP, "", details,
+	)
+}
+
+func (s *Server) auditWithNetwork(
+	ctx context.Context,
+	eventType string,
+	user string,
+	authorizationID *uint64,
+	hostname string,
+	packageSlug string,
+	sourceIP string,
+	lanIP string,
+	details string,
 ) error {
 	var authID any
 	if authorizationID != nil {
@@ -626,9 +648,10 @@ func (s *Server) audit(
 	_, err := s.db.ExecContext(
 		ctx,
 		`INSERT INTO audit_events
-			(event_type, actor, authorization_id, hostname, package_slug, source_ip, details)
-		 VALUES (?, ?, ?, ?, ?, ?, ?)`,
-		eventType, user, authID, hostname, packageSlug, sourceIP, details,
+			(event_type, actor, authorization_id, hostname, package_slug,
+			 source_ip, lan_ip, details)
+		 VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+		eventType, user, authID, hostname, packageSlug, sourceIP, lanIP, details,
 	)
 	return err
 }

internal/app/config.go

@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"strings"
 	"time"
+	_ "time/tzdata"
 )
 
 type Config struct {
@@ -28,6 +29,7 @@ type Config struct {
 	MaxHostLimit      int
 	MaxUploadBytes    int64
 	TrustProxyHeaders bool
+	DisplayTimeZone   *time.Location
 }
 
 func LoadConfig() (Config, error) {
@@ -82,6 +84,12 @@ func LoadConfig() (Config, error) {
 	if err != nil {
 		return cfg, fmt.Errorf("TAPM_TRUST_PROXY_HEADERS: %w", err)
 	}
+	cfg.DisplayTimeZone, err = time.LoadLocation(
+		envDefault("TAPM_DISPLAY_TIME_ZONE", "America/Chicago"),
+	)
+	if err != nil {
+		return cfg, fmt.Errorf("TAPM_DISPLAY_TIME_ZONE: %w", err)
+	}
 
 	cfg.AllowedGiteaUsers = make(map[string]struct{})
 	for _, user := range strings.Split(

internal/app/download.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"net"
 	"net/http"
 	"net/url"
 	"strings"
@@ -16,6 +17,7 @@ type exchangeRequest struct {
 	Code             string `json:"code"`
 	HostFingerprint  string `json:"host_fingerprint"`
 	Hostname         string `json:"hostname"`
+	LANIP            string `json:"lan_ip,omitempty"`
 	RequestedAction  string `json:"requested_action,omitempty"`
 	RequestedPackage string `json:"requested_package,omitempty"`
 }
@@ -57,8 +59,17 @@ func (s *Server) handleExchange(w http.ResponseWriter, r *http.Request) {
 	request.Code = normalizeCode(request.Code)
 	request.HostFingerprint = strings.TrimSpace(request.HostFingerprint)
 	request.Hostname = strings.TrimSpace(request.Hostname)
+	request.LANIP = strings.TrimSpace(request.LANIP)
 	request.RequestedAction = strings.TrimSpace(request.RequestedAction)
 	request.RequestedPackage = strings.TrimSpace(request.RequestedPackage)
+	if request.LANIP != "" {
+		parsedLANIP := net.ParseIP(request.LANIP)
+		if parsedLANIP == nil {
+			writeJSON(w, http.StatusBadRequest, map[string]string{"error": "lan_ip must be a valid IP address"})
+			return
+		}
+		request.LANIP = parsedLANIP.String()
+	}
 	if request.Code == "" || len(request.HostFingerprint) < 16 ||
 		request.Hostname == "" || len(request.Hostname) > 255 ||
 		(request.RequestedAction != "" && !validSlug(request.RequestedAction)) ||
@@ -75,11 +86,12 @@ func (s *Server) handleExchange(w http.ResponseWriter, r *http.Request) {
 			status = http.StatusForbidden
 			message = "authorization is invalid, expired, revoked, or at its host limit"
 		}
-		_ = s.audit(r.Context(), "code_exchange_failed", "", nil, request.Hostname, "", sourceIP, err.Error())
+		_ = s.auditWithNetwork(r.Context(), "code_exchange_failed", "", nil,
+			request.Hostname, "", sourceIP, request.LANIP, err.Error())
 		writeJSON(w, status, map[string]string{"error": message})
 		return
 	}
-	_ = s.audit(
+	_ = s.auditWithNetwork(
 		r.Context(),
 		"code_exchanged",
 		"",
@@ -87,6 +99,7 @@ func (s *Server) handleExchange(w http.ResponseWriter, r *http.Request) {
 		request.Hostname,
 		request.RequestedPackage,
 		sourceIP,
+		request.LANIP,
 		"requested_action="+request.RequestedAction,
 	)
 	writeJSON(w, http.StatusOK, response)
@@ -199,9 +212,9 @@ func (s *Server) exchangeDeploymentCode(
 		result, err := tx.ExecContext(
 			r.Context(),
 			`INSERT INTO authorization_hosts
-				(authorization_id, host_fingerprint, hostname)
-			 VALUES (?, ?, ?)`,
-			authorizationID, fingerprintHash[:], request.Hostname,
+				(authorization_id, host_fingerprint, hostname, lan_ip)
+			 VALUES (?, ?, ?, ?)`,
+			authorizationID, fingerprintHash[:], request.Hostname, request.LANIP,
 		)
 		if err != nil {
 			return response, 0, err
@@ -214,9 +227,11 @@ func (s *Server) exchangeDeploymentCode(
 		_, err = tx.ExecContext(
 			r.Context(),
 			`UPDATE authorization_hosts
-			    SET hostname = ?, last_seen_at = UTC_TIMESTAMP(6)
+			    SET hostname = ?,
+			        lan_ip = COALESCE(NULLIF(?, ''), lan_ip),
+			        last_seen_at = UTC_TIMESTAMP(6)
 			  WHERE id = ?`,
-			request.Hostname, hostID,
+			request.Hostname, request.LANIP, hostID,
 		)
 		if err != nil {
 			return response, 0, err
@@ -328,11 +343,12 @@ func (s *Server) handlePackageDownload(w http.ResponseWriter, r *http.Request) {
 	var packageInfo packageRecord
 	var authorizationID uint64
 	var hostname string
+	var lanIP string
 	err := s.db.QueryRowContext(
 		r.Context(),
 		`SELECT p.id, p.slug, p.display_name, p.package_name,
 		        p.package_version, p.file_name, p.sha256, p.enabled,
-		        ds.authorization_id, ah.hostname
+		        ds.authorization_id, ah.hostname, ah.lan_ip
 		   FROM download_sessions ds
 		   JOIN authorizations a ON a.id = ds.authorization_id
 		   JOIN authorization_hosts ah ON ah.id = ds.authorization_host_id
@@ -357,6 +373,7 @@ func (s *Server) handlePackageDownload(w http.ResponseWriter, r *http.Request) {
 		&packageInfo.Enabled,
 		&authorizationID,
 		&hostname,
+		&lanIP,
 	)
 	if errors.Is(err, sql.ErrNoRows) {
 		writeJSON(w, http.StatusForbidden, map[string]string{"error": "package is not authorized"})
@@ -385,13 +402,15 @@ func (s *Server) handlePackageDownload(w http.ResponseWriter, r *http.Request) {
 	upstreamRequest.SetBasicAuth(s.cfg.GiteaPackageUser, s.cfg.GiteaPackageToken)
 	upstreamResponse, err := s.packageClient.Do(upstreamRequest)
 	if err != nil {
-		_ = s.audit(r.Context(), "package_download_failed", "", &authorizationID, hostname, slug, s.clientIP(r), err.Error())
+		_ = s.auditWithNetwork(r.Context(), "package_download_failed", "",
+			&authorizationID, hostname, slug, s.clientIP(r), lanIP, err.Error())
 		writeJSON(w, http.StatusBadGateway, map[string]string{"error": "package registry is unavailable"})
 		return
 	}
 	defer upstreamResponse.Body.Close()
 	if upstreamResponse.StatusCode != http.StatusOK {
-		_ = s.audit(r.Context(), "package_download_failed", "", &authorizationID, hostname, slug, s.clientIP(r), upstreamResponse.Status)
+		_ = s.auditWithNetwork(r.Context(), "package_download_failed", "",
+			&authorizationID, hostname, slug, s.clientIP(r), lanIP, upstreamResponse.Status)
 		writeJSON(w, http.StatusBadGateway, map[string]string{"error": "package registry rejected the request"})
 		return
 	}
@@ -402,8 +421,10 @@ func (s *Server) handlePackageDownload(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Cache-Control", "no-store")
 	w.WriteHeader(http.StatusOK)
 	if _, err := io.Copy(w, upstreamResponse.Body); err != nil {
-		_ = s.audit(r.Context(), "package_download_failed", "", &authorizationID, hostname, slug, s.clientIP(r), err.Error())
+		_ = s.auditWithNetwork(r.Context(), "package_download_failed", "",
+			&authorizationID, hostname, slug, s.clientIP(r), lanIP, err.Error())
 		return
 	}
-	_ = s.audit(r.Context(), "package_downloaded", "", &authorizationID, hostname, slug, s.clientIP(r), "")
+	_ = s.auditWithNetwork(r.Context(), "package_downloaded", "",
+		&authorizationID, hostname, slug, s.clientIP(r), lanIP, "")
 }

internal/app/server.go

@@ -75,6 +75,7 @@ type auditRecord struct {
 	Hostname      string
 	PackageSlug   string
 	SourceIP      string
+	LANIP         string
 	Details       string
 	CreatedAt     time.Time
 }
@@ -125,7 +126,7 @@ func New(cfg Config) (*Server, error) {
 		return nil, fmt.Errorf("database: %w", err)
 	}
 
-	templates, err := parseTemplates()
+	templates, err := parseTemplates(cfg.DisplayTimeZone)
 	if err != nil {
 		_ = db.Close()
 		return nil, err
@@ -162,10 +163,13 @@ func New(cfg Config) (*Server, error) {
 	}, nil
 }
 
-func parseTemplates() (*template.Template, error) {
+func parseTemplates(displayTimeZone *time.Location) (*template.Template, error) {
+	if displayTimeZone == nil {
+		displayTimeZone = time.UTC
+	}
 	return template.New("").Funcs(template.FuncMap{
 		"formatTime": func(value time.Time) string {
-			return value.Local().Format("Jan 2, 2006 3:04 PM")
+			return value.In(displayTimeZone).Format("Jan 2, 2006 3:04 PM MST")
 		},
 		"isActive": func(record authorizationRecord) bool {
 			return !record.RevokedAt.Valid && time.Now().Before(record.ExpiresAt)

internal/app/server_test.go

@@ -1,14 +1,16 @@
 package app
 
 import (
+	"bytes"
 	"io"
+	"strings"
 	"testing"
 	"time"
 )
 
 func TestPortalTemplateExecutes(t *testing.T) {
 	t.Parallel()
-	templates, err := parseTemplates()
+	templates, err := parseTemplates(time.UTC)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -42,7 +44,7 @@ func TestPortalTemplateExecutes(t *testing.T) {
 
 func TestPackageAndAuditTemplatesExecute(t *testing.T) {
 	t.Parallel()
-	templates, err := parseTemplates()
+	templates, err := parseTemplates(time.UTC)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -70,9 +72,42 @@ func TestPackageAndAuditTemplatesExecute(t *testing.T) {
 		EventType:     "package_downloaded",
 		CustomerLabel: "Acme cluster refresh",
 		Hostname:      "pve01",
+		SourceIP:      "203.0.113.10",
+		LANIP:         "10.10.1.25",
 		CreatedAt:     time.Now(),
 	}}
 	if err := templates.ExecuteTemplate(io.Discard, "audit.html", data); err != nil {
 		t.Fatal(err)
 	}
 }
+
+func TestAuditTemplateUsesConfiguredTimeZone(t *testing.T) {
+	t.Parallel()
+	location, err := time.LoadLocation("America/Chicago")
+	if err != nil {
+		t.Fatal(err)
+	}
+	templates, err := parseTemplates(location)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var output bytes.Buffer
+	err = templates.ExecuteTemplate(&output, "audit.html", pageData{
+		Title:       "Test",
+		Technician:  &technician{DisplayName: "Technician"},
+		CurrentView: "audit",
+		AuditFilters: auditFilters{
+			TimeRange: "30d",
+		},
+		AuditEvents: []auditRecord{{
+			EventType: "code_exchanged",
+			CreatedAt: time.Date(2026, time.January, 15, 12, 0, 0, 0, time.UTC),
+		}},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(output.String(), "Jan 15, 2026 6:00 AM CST") {
+		t.Fatalf("audit timestamp was not rendered in America/Chicago: %s", output.String())
+	}
+}

internal/app/templates/audit.html

@@ -42,7 +42,7 @@
         <label>User <input name="audit_user" value="{{.AuditFilters.User}}" placeholder="taiadmin"></label>
         <label>Hostname <input name="audit_hostname" value="{{.AuditFilters.Hostname}}" placeholder="pve01"></label>
         <label>Package ID <input name="audit_package" value="{{.AuditFilters.PackageSlug}}" placeholder="sentinelone-linux"></label>
-        <label>Source IP <input name="audit_ip" value="{{.AuditFilters.SourceIP}}" placeholder="10.10.1.25"></label>
+        <label>LAN or WAN IP <input name="audit_ip" value="{{.AuditFilters.SourceIP}}" placeholder="10.10.1.25"></label>
         <label>Details contain <input name="audit_details" value="{{.AuditFilters.Details}}" placeholder="customer or action"></label>
         <div class="audit-filter-actions">
           <button class="button secondary" type="submit">Apply filters</button>

internal/app/templates/components.html

@@ -29,7 +29,7 @@
     <span>Event</span>
     <span>Customer / deployment</span>
     <span>User / host / package</span>
-    <span>Source / details</span>
+    <span>WAN / LAN / details</span>
   </div>
   {{range .AuditEvents}}
   <div class="audit-row">
@@ -46,7 +46,9 @@
       {{if .PackageSlug}}<span>{{.PackageSlug}}</span>{{end}}
     </div>
     <div>
-      <span>{{.SourceIP}}</span>
+      {{if .SourceIP}}<span>WAN: {{.SourceIP}}</span>{{end}}
+      {{if .LANIP}}<span>LAN: {{.LANIP}}</span>{{end}}
+      {{if and (not .SourceIP) (not .LANIP)}}<span>—</span>{{end}}
       {{if .Details}}<small>{{.Details}}</small>{{end}}
     </div>
   </div>

migrations/003_audit_network.sql

@@ -0,0 +1,9 @@
+ALTER TABLE authorization_hosts
+    ADD COLUMN IF NOT EXISTS lan_ip VARCHAR(64) NOT NULL DEFAULT ''
+        AFTER hostname;
+
+ALTER TABLE audit_events
+    ADD COLUMN IF NOT EXISTS lan_ip VARCHAR(64) NOT NULL DEFAULT ''
+        AFTER source_ip;
+
+INSERT IGNORE INTO schema_migrations (version) VALUES (3);