Add active field to service configuration

- Add 'active' field to service_config_t structure (defaults to true)
- Parse 'active' field from service config files (accepts true/1/yes)
- Skip inactive services during service loading
- Maintain backward compatibility with existing configs

wssshtools/libwsssht/tunnel.h

@@ -68,6 +68,7 @@ typedef struct {
     char *tunnel_host;
     char *command;
     char *proto;  // "tcp" or "udp", default "tcp"
+    int active;   // Whether this service is active, default true
 } service_config_t;
 
 // Thread arguments

wssshtools/wssshc.c

@@ -298,6 +298,7 @@ service_config_t *load_service_config(const char *config_path) {
     char line[256];
     char current_section[256] = "";
     int in_service_section = 0;
+    int active_parsed = 0; // Track if active was explicitly parsed
 
     while (fgets(line, sizeof(line), file)) {
         line[strcspn(line, "\n")] = 0;
@@ -328,6 +329,9 @@ service_config_t *load_service_config(const char *config_path) {
                     service->command = strdup(value);
                 } else if (strcmp(key, "proto") == 0 && !service->proto) {
                     service->proto = strdup(value);
+                } else if (strcmp(key, "active") == 0) {
+                    service->active = (strcmp(value, "true") == 0 || strcmp(value, "1") == 0 || strcmp(value, "yes") == 0);
+                    active_parsed = 1;
                 }
             }
         }
@@ -338,6 +342,10 @@ service_config_t *load_service_config(const char *config_path) {
     if (!service->proto) {
         service->proto = strdup("tcp");
     }
+    // active defaults to true if not specified
+    if (!active_parsed) {
+        service->active = 1; // Default to true
+    }
 
     return service;
 }
@@ -391,7 +399,7 @@ service_config_t **load_services_config(const char *services_path, int *num_serv
                     // Check if file is readable
                     if (access(full_path, R_OK) == 0) {
                         service_config_t *service = load_service_config(full_path);
-                        if (service && service->name) {
+                        if (service && service->name && service->active) {
                             // Check for duplicate service names (later definitions override earlier ones)
                             int duplicate = 0;
                             for (int i = 0; i < *num_services; i++) {
@@ -412,13 +420,12 @@ service_config_t **load_services_config(const char *services_path, int *num_serv
                                     (*num_services)++;
                                 } else {
                                     // Free service if realloc failed
-                                    free(service->name);
-                                    free(service->tunnel_host);
-                                    free(service->command);
-                                    free(service->proto);
-                                    free(service);
+                                    free_service_config(service);
                                 }
                             }
+                        } else if (service && service->name && !service->active) {
+                            // Service is inactive, skip it
+                            free_service_config(service);
                         }
                     }
                 }