+/*
+ Read Subnets from all host config files
+*/
+void load_all_subnets(void) {
+ DIR *dir;
+ struct dirent *ent;
+ char *dname;
+ char *fname;
+ avl_tree_t *config_tree;
+ config_t *cfg;
+ subnet_t *s, *s2;
+ node_t *n;
+
+ xasprintf(&dname, "%s/hosts", confbase);
+ dir = opendir(dname);
+ if(!dir) {
+ logger(LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
+ free(dname);
+ return;
+ }
+
+ while((ent = readdir(dir))) {
+ if(!check_id(ent->d_name))
+ continue;
+
+ n = lookup_node(ent->d_name);
+ #ifdef _DIRENT_HAVE_D_TYPE
+ //if(ent->d_type != DT_REG)
+ // continue;
+ #endif
+
+ xasprintf(&fname, "%s/hosts/%s", confbase, ent->d_name);
+ init_configuration(&config_tree);
+ read_config_options(config_tree, ent->d_name);
+ read_config_file(config_tree, fname);
+ free(fname);
+
+ if(!n) {
+ n = new_node();
+ n->name = xstrdup(ent->d_name);
+ node_add(n);
+ }
+
+ for(cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ if(!get_config_subnet(cfg, &s))
+ continue;
+
+ if((s2 = lookup_subnet(n, s))) {
+ s2->expires = -1;
+ } else {
+ subnet_add(n, s);
+ }
+ }
+
+ exit_configuration(&config_tree);
+ }
+
+ closedir(dir);
+}
+
+char *get_name(void) {
+ char *name = NULL;
+
+ get_config_string(lookup_config(config_tree, "Name"), &name);
+
+ if(!name)
+ return NULL;
+
+ if(*name == '$') {
+ char *envname = getenv(name + 1);
+ char hostname[32] = "";
+ if(!envname) {
+ if(strcmp(name + 1, "HOST")) {
+ fprintf(stderr, "Invalid Name: environment variable %s does not exist\n", name + 1);
+ free(name);
+ return false;
+ }
+ if(gethostname(hostname, sizeof hostname) || !*hostname) {
+ fprintf(stderr, "Could not get hostname: %s\n", strerror(errno));
+ free(name);
+ return false;
+ }
+ hostname[31] = 0;
+ envname = hostname;
+ }
+ free(name);
+ name = xstrdup(envname);
+ for(char *c = name; *c; c++)
+ if(!isalnum(*c))
+ *c = '_';
+ }
+
+ if(!check_id(name)) {
+ logger(LOG_ERR, "Invalid name for myself!");
+ free(name);
+ return false;
+ }
+
+ return name;
+}
+