commit 5cbe17635e5b5884548a53bd3c09b401dbd15e51
from: Omar Polo <op@omarpolo.com>
date: Fri Aug 13 13:07:32 2021 UTC

skip "." (and ".." if in /)

commit - 0a33395dcffe4fea2971eecec30c3fceb2c8cce2
commit + 5cbe17635e5b5884548a53bd3c09b401dbd15e51
blob - ccb515253662f4140e300944221476f898be23e9
blob + 3f17a51e34489942a6dae397473b4c45c8382015
--- fs.c
+++ fs.c
@@ -40,6 +40,8 @@
 static void		 die(void) __attribute__((__noreturn__));
 static void		 send_file(uint32_t, FILE *);
 static void		 handle_get(struct imsg*, size_t);
+static int		 select_non_dot(const struct dirent *);
+static int		 select_non_dotdot(const struct dirent *);
 static void		 handle_get_file(struct imsg*, size_t);
 static void		 handle_quit(struct imsg*, size_t);
 static void		 handle_bookmark_page(struct imsg*, size_t);
@@ -202,6 +204,18 @@ file_type(const char *path)
 			return m->mime;
 
 	return NULL;
+}
+
+static int
+select_non_dot(const struct dirent *d)
+{
+	return strcmp(d->d_name, ".");
+}
+
+static int
+select_non_dotdot(const struct dirent *d)
+{
+	return strcmp(d->d_name, ".") && strcmp(d->d_name, "..");
 }
 
 static inline void
@@ -209,10 +223,14 @@ send_dir(uint32_t peerid, const char *path)
 {
 	struct dirent	**names;
 	struct evbuffer	 *ev;
+	int		(*selector)(const struct dirent *) = select_non_dot;
 	int		  i, len;
 
+	if (!strcmp(path, "/"))
+		selector = select_non_dotdot;
+
 	if ((ev = evbuffer_new()) == NULL ||
-	    (len = scandir(path, &names, NULL, alphasort)) == -1) {
+	    (len = scandir(path, &names, selector, alphasort)) == -1) {
 		evbuffer_free(ev);
 		send_hdr(peerid, 40, "failure reading the directory");
 		return;