+ int result = system(command);
+ if(result)
+ return result;
+
+ // Silently try notifying a running tincd of changes.
+ fclose(stderr);
+
+ if(connect_tincd())
+ sendline(fd, "%d %d", CONTROL, REQ_RELOAD);
+
+ return 0;
+}
+
+static int export(const char *name, FILE *out) {
+ char *filename;
+ xasprintf(&filename, "%s/%s", hosts_dir, name);
+ FILE *in = fopen(filename, "r");
+ if(!in) {
+ fprintf(stderr, "Could not open configuration file %s: %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ fprintf(out, "Name = %s\n", name);
+ char buf[4096];
+ while(fgets(buf, sizeof buf, in)) {
+ if(strcspn(buf, "\t =") != 4 || strncasecmp(buf, "Name", 4))
+ fputs(buf, out);
+ }
+
+ if(ferror(in)) {
+ fprintf(stderr, "Error while reading configuration file %s: %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ fclose(in);
+ return 0;
+}
+
+static int cmd_export(int argc, char *argv[]) {
+ char *name = get_my_name();
+ if(!name)
+ return 1;
+
+ return export(name, stdout);
+}
+
+static int cmd_export_all(int argc, char *argv[]) {
+ DIR *dir = opendir(hosts_dir);
+ if(!dir) {
+ fprintf(stderr, "Could not open host configuration directory %s: %s\n", hosts_dir, strerror(errno));
+ return 1;
+ }
+
+ bool first = true;
+ int result = 0;
+ struct dirent *ent;
+
+ while((ent = readdir(dir))) {
+ if(!check_id(ent->d_name))
+ continue;
+
+ if(first)
+ first = false;
+ else
+ printf("#---------------------------------------------------------------#\n");
+
+ result |= export(ent->d_name, stdout);
+ }
+
+ closedir(dir);
+ return result;
+}
+
+static int cmd_import(int argc, char *argv[]) {
+ FILE *in = stdin;
+ FILE *out = NULL;
+
+ char buf[4096];
+ char name[4096];
+ char *filename;
+ int count = 0;
+ bool firstline = true;
+
+ while(fgets(buf, sizeof buf, in)) {
+ if(sscanf(buf, "Name = %s", name) == 1) {
+ if(!check_id(name)) {
+ fprintf(stderr, "Invalid Name in input!\n");
+ return 1;
+ }
+
+ if(out)
+ fclose(out);
+
+ free(filename);
+ xasprintf(&filename, "%s/%s", hosts_dir, name);
+
+ if(!force && !access(filename, F_OK)) {
+ fprintf(stderr, "Host configuration file %s already exists, skipping.\n", filename);
+ out = NULL;
+ continue;
+ }
+
+ out = fopen(filename, "w");
+ if(!out) {
+ fprintf(stderr, "Error creating configuration file %s: %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ count++;
+ firstline = false;
+ continue;
+ } else if(firstline) {
+ fprintf(stderr, "Junk at the beginning of the input, ignoring.\n");
+ firstline = false;
+ }
+
+
+ if(!strcmp(buf, "#---------------------------------------------------------------#\n"))
+ continue;
+
+ if(out) {
+ if(fputs(buf, out) < 0) {
+ fprintf(stderr, "Error writing to host configuration file %s: %s\n", filename, strerror(errno));
+ return 1;
+ }
+ }
+ }
+
+ if(out)
+ fclose(out);
+
+ if(count) {
+ fprintf(stderr, "Imported %d host configuration files.\n", count);
+ return 0;
+ } else {
+ fprintf(stderr, "No host configuration files imported.\n");
+ return 1;
+ }