Add PostUp and PostDown script for clients interface

handler/routes.go

@@ -331,6 +331,8 @@ func UpdateClient(db store.IStore) echo.HandlerFunc {
 		client.AllocatedIPs = _client.AllocatedIPs
 		client.AllowedIPs = _client.AllowedIPs
 		client.ExtraAllowedIPs = _client.ExtraAllowedIPs
+		client.PostUp = _client.PostUp
+		client.PostDown = _client.PostDown
 		client.UpdatedAt = time.Now().UTC()
 
 		// write to the database

model/client.go

@@ -17,6 +17,8 @@ type Client struct {
 	ExtraAllowedIPs []string  `json:"extra_allowed_ips"`
 	UseServerDNS    bool      `json:"use_server_dns"`
 	Enabled         bool      `json:"enabled"`
+	PostUp          string    `json:"post_up"`
+	PostDown        string    `json:"post_down"`
 	CreatedAt       time.Time `json:"created_at"`
 	UpdatedAt       time.Time `json:"updated_at"`
 }

templates/base.html

@@ -186,6 +186,14 @@
                                 </label>
                                 <input type="text" data-role="tagsinput" class="form-control" id="client_extra_allowed_ips" value="{{ StringsJoin .client_defaults.ExtraAllowedIps "," }}">
                             </div>
+                            <div class="form-group">
+                                <label for="client_post_up">Post Up Script</label>
+                                <input type="text" class="form-control" id="client_post_up" name="client_post_up" placeholder="Post Up Script">
+                            </div>
+                            <div class="form-group">
+                                <label for="client_post_down">Post Down Script</label>
+                                <input type="text" class="form-control" id="client_post_down" name="client_post_down" placeholder="Post Down Script">
+                            </div>
                             <div class="form-group">
                                 <div class="icheck-primary d-inline">
                                     <input type="checkbox" id="use_server_dns" {{ if .client_defaults.UseServerDNS }}checked{{ end }}>
@@ -343,6 +351,8 @@
             const allowed_ips = $("#client_allowed_ips").val().split(",");
             let use_server_dns = false;
             let extra_allowed_ips = [];
+            const post_up = $("#client_post_up").val();
+            const post_down = $("#client_post_down").val();
 
             if ($("#client_extra_allowed_ips").val() !== "") {
                 extra_allowed_ips = $("#client_extra_allowed_ips").val().split(",");
@@ -362,8 +372,8 @@
             const preshared_key = $("#client_preshared_key").val();
 
             const data = {"name": name, "email": email, "allocated_ips": allocated_ips, "allowed_ips": allowed_ips,
-                "extra_allowed_ips": extra_allowed_ips, "use_server_dns": use_server_dns, "enabled": enabled,
+                "extra_allowed_ips": extra_allowed_ips, "post_up": post_up, "post_down": post_down, "use_server_dns": use_server_dns,
-                "public_key": public_key, "preshared_key": preshared_key};
+                "enabled": enabled, "public_key": public_key, "preshared_key": preshared_key};
 
             $.ajax({
                 cache: false,
@@ -485,6 +495,8 @@
                 $("#client_preshared_key").val("");
                 $("#client_allocated_ips").importTags('');
                 $("#client_extra_allowed_ips").importTags('');
+                $("#client_post_up").val("");
+                $("#client_post_down").val("");
                 updateIPAllocationSuggestion();
             });
         });

templates/clients.html

@@ -109,6 +109,14 @@ Wireguard Clients
                         <input type="text" data-role="tagsinput" class="form-control"
                                id="_client_extra_allowed_ips">
                     </div>
+                    <div class="form-group">
+                        <label for="_client_post_up">Post Up Script</label>
+                        <input type="text" class="form-control" id="_client_post_up"placeholder="Post Up Script">
+                    </div>
+                    <div class="form-group">
+                        <label for="_client_post_down">Post Down Script</label>
+                        <input type="text" class="form-control" id="_client_post_down" placeholder="Post Down Script">
+                    </div>
                     <div class="form-group">
                         <div class="icheck-primary d-inline">
                             <input type="checkbox" id="_use_server_dns">
@@ -365,6 +373,9 @@ Wireguard Clients
                             modal.find("#_client_extra_allowed_ips").addTag(obj);
                         });
 
+                        modal.find("#_client_post_up").val(client.post_up);
+                        modal.find("#_client_post_down").val(client.post_down);
+
                         modal.find("#_use_server_dns").prop("checked", client.use_server_dns);
                         modal.find("#_enabled").prop("checked", client.enabled);
                     },
@@ -408,6 +419,8 @@ Wireguard Clients
             const email = $("#_client_email").val();
             const allocated_ips = $("#_client_allocated_ips").val().split(",");
             const allowed_ips = $("#_client_allowed_ips").val().split(",");
+            const post_up = $("#_client_post_up").val();
+            const post_down = $("#_client_post_down").val();
             let use_server_dns = false;
             let extra_allowed_ips = [];
 
@@ -426,7 +439,8 @@ Wireguard Clients
             }
 
             const data = {"id": client_id, "name": name, "email": email, "allocated_ips": allocated_ips,
-                "allowed_ips": allowed_ips, "extra_allowed_ips": extra_allowed_ips, "use_server_dns": use_server_dns, "enabled": enabled};
+                "allowed_ips": allowed_ips, "extra_allowed_ips": extra_allowed_ips, "post_up": post_up, "post_down": post_down,
+                "use_server_dns": use_server_dns, "enabled": enabled};
 
             $.ajax({
                 cache: false,

util/util.go

@@ -28,6 +28,14 @@ func BuildClientConfig(client model.Client, server model.Server, setting model.G
 	if client.UseServerDNS {
 		clientDNS = fmt.Sprintf("DNS = %s\n", strings.Join(setting.DNSServers, ","))
 	}
+	clientPostUp := ""
+	if strings.TrimSpace(client.PostUp) != "" {
+		clientPostUp = fmt.Sprintf("PostUp = %s\n", client.PostUp)
+	}
+	clientPostDown := ""
+	if strings.TrimSpace(client.PostDown) != "" {
+		clientPostDown = fmt.Sprintf("PostDown = %s\n", client.PostDown)
+	}
 
 	// Peer section
 	peerPublicKey := fmt.Sprintf("PublicKey = %s\n", server.KeyPair.PublicKey)
@@ -67,6 +75,8 @@ func BuildClientConfig(client model.Client, server model.Server, setting model.G
 		clientPrivateKey +
 		clientDNS +
 		forwardMark +
+		clientPostUp +
+		clientPostDown +
 		"\n[Peer]\n" +
 		peerPublicKey +
 		peerPresharedKey +