+/**
+ * Check if the path is valid. If it's a relative path,
+ * prepend the working path. Ensure it ends with /
+ * @param path relative or absolute path to eval.
+ * @return new string with absolute path
+ */
+const char *sanitized_source_directory(const char *path) {
+ char *absolute_path = stralloc( PATH_MAX );
+ if ( ( strlen( path ) == 0 ) ||
+ ( realpath( path, absolute_path ) == 0 ) ||
+ ( is_directory( absolute_path ) == -1 ) ) {
+ return NULL; // Path badness
+ }
+
+ // Append "/" and allocate new memory for the string
+ return strdup( strcat( absolute_path, "/" ) );
+}
+
+enum {
+ KEY_HELP,
+ KEY_VERSION,
+};
+
+#define FUSE_XATTRS_OPT(t, p, v) { t, offsetof(struct xattrs_config, p), v }
+
+static struct fuse_opt xattrs_opts[] = {
+ FUSE_XATTRS_OPT("show_sidecar", show_sidecar, 1),
+ FUSE_XATTRS_OPT("enable_namespaces", enable_namespaces, 1),
+ FUSE_XATTRS_OPT("sroot=%s", sidecar_dir, 0 ),
+
+ FUSE_OPT_KEY("-V", KEY_VERSION),
+ FUSE_OPT_KEY("--version", KEY_VERSION),
+ FUSE_OPT_KEY("-h", KEY_HELP),
+ FUSE_OPT_KEY("--help", KEY_HELP),
+ FUSE_OPT_END
+};
+
+static int xattrs_opt_proc(void *data, const char *arg, int key,
+ struct fuse_args *outargs) {
+ (void) data;
+ switch (key) {
+ case FUSE_OPT_KEY_NONOPT:
+ if (!xattrs_config.source_dir) {
+ xattrs_config.source_dir = sanitized_source_directory(arg);
+ xattrs_config.source_dir_size = strlen(xattrs_config.source_dir);
+ return 0;
+ }
+ break;
+
+ case KEY_HELP:
+ fprintf(stderr,
+ "usage: %s source_dir mountpoint [options]\n"
+ "\n"
+ "general options:\n"
+ " -o opt,[opt...] mount options\n"
+ " -h --help print help\n"
+ " -V --version print version\n"
+ "\n"
+ "FUSE XATTRS options:\n"
+ " -o show_sidecar don't hide sidecar files\n"
+ " -o enable_namespaces enable namespaces checks\n"
+ "\n", outargs->argv[0]);
+
+ fuse_opt_add_arg(outargs, "-ho");
+ fuse_main(outargs->argc, outargs->argv, &xmp_oper, NULL);
+ exit(1);
+
+ case KEY_VERSION:
+ printf("FUSE_XATTRS version %d.%d\n", FUSE_XATTRS_VERSION_MAJOR, FUSE_XATTRS_VERSION_MINOR);
+ fuse_opt_add_arg(outargs, "--version");
+ fuse_main(outargs->argc, outargs->argv, &xmp_oper, NULL);
+ exit(0);
+ }
+ return 1;
+}
+
+
+
+int main(int argc, char *argv[]) {
+ struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
+ if (fuse_opt_parse(&args, &xattrs_config, xattrs_opts, xattrs_opt_proc) == -1) {
+ exit(1);
+ }
+
+ if ( xattrs_config.sidecar_dir ) {
+ xattrs_config.sidecar_dir =
+ sanitized_source_directory( xattrs_config.sidecar_dir );
+ }
+
+ if (!xattrs_config.source_dir) {
+ fprintf(stderr, "missing source directory\n");
+ fprintf(stderr, "see `%s -h' for usage\n", argv[0]);
+ exit(1);
+ }
+