add log messages

1 files changed, 33 insertions, 38 deletions

diff --git a/browse.c b/browse.c
index 577183f..f12ed70 100644
--- a/browse.c
+++ b/browse.c
@@ -71,7 +71,7 @@ build_browse_url(struct kreq * r, char *url, size_t url_size, const char *file)
 	return url_build(url, url_size, 4, r->pname, page_name, r->path, file);
 }
 
-int
+void
 browse(struct kreq * r)
 {
 	struct dirent *dir;
@@ -82,58 +82,53 @@ browse(struct kreq * r)
 	struct khtmlreq html;
 
 	/* check that the requested URL can be safely processed */
-	if (strlen(r->path) >= URL_LENGTH_MAX) {
-		http_open(r, KHTTP_414);
-		return VAULT_URI_ERROR;
-	}
-	if (!check_request_path(r->path)) {
-		http_open(r, KHTTP_400);
-		return VAULT_URI_ERROR;
-	}
+	if (!check_request_path(r->path))
+		http_exit(r, KHTTP_400, "browse: Invalid request path");
+	if (strlen(r->path) >= URL_LENGTH_MAX)
+		http_exit(r, KHTTP_414, NULL);
+
 	/* list requested directory content */
 	url_size = url_build(current_dir, URL_LENGTH_MAX, 2, DATA_DIR, r->path);
-	if (url_size == 0) {
-		http_open(r, KHTTP_404);
-		return VAULT_IO_ERROR;
-	} else if (url_size >= URL_LENGTH_MAX) {
-		http_open(r, KHTTP_414);
-		return VAULT_URI_ERROR;
-	}
+	if (url_size == 0)
+		http_exit(r, KHTTP_404, "browse: Unable to build data path");
+	if (url_size >= URL_LENGTH_MAX)
+		http_exit(r, KHTTP_414, NULL);
 	data_dir = opendir(current_dir);
-	if (NULL == data_dir) {
-		http_open(r, KHTTP_404);
-		return VAULT_IO_ERROR;
-	}
+	if (NULL == data_dir)
+		http_exit(r, KHTTP_404, NULL);
+
 	http_open(r, KHTTP_200);
 
-	K_OK(khtml_open(&html, r, 0));
+	K_OK(khtml_open(&html, r, 0), r);
 
 	/* build basic html page */
-	K_OK(khtml_elem(&html, KELEM_DOCTYPE));
-	K_OK(khtml_elem(&html, KELEM_HEAD));
-	K_OK(khtml_attr(&html, KELEM_META, KATTR_CHARSET, "utf-8", KATTR__MAX));
-	K_OK(khtml_elem(&html, KELEM_HTML));
-	K_OK(khtml_elem(&html, KELEM_BODY));
-	K_OK(khtml_elem(&html, KELEM_P));
-	K_OK(khtml_puts(&html, "/"));
-	K_OK(khtml_closeelem(&html, 1));
+	K_OK(khtml_elem(&html, KELEM_DOCTYPE), r);
+	K_OK(khtml_elem(&html, KELEM_HEAD), r);
+	K_OK(khtml_attr(&html, KELEM_META, KATTR_CHARSET, "utf-8", KATTR__MAX),
+	     r);
+	K_OK(khtml_elem(&html, KELEM_HTML), r);
+	K_OK(khtml_elem(&html, KELEM_BODY), r);
+	K_OK(khtml_elem(&html, KELEM_P), r);
+	K_OK(khtml_puts(&html, "/"), r);
+	K_OK(khtml_closeelem(&html, 1), r);
 
-	K_OK(khtml_elem(&html, KELEM_UL));
+	K_OK(khtml_elem(&html, KELEM_UL), r);
 	while ((dir = readdir(data_dir)) != NULL) {
 		/* ignore special . and .. folders */
 		file_name = dir->d_name;
 		if (strcmp(".", file_name) == 0 || strcmp("..", file_name) == 0)
 			continue;
 		url_size = build_browse_url(r, url, URL_LENGTH_MAX, file_name);
-		if (url_size == 0 || url_size >= URL_LENGTH_MAX)
+		if (url_size == 0 || url_size >= URL_LENGTH_MAX) {
+			kutil_warn(r, NULL, "browse: Detected URL overflow: %s", url);
 			continue;
-		K_OK(khtml_elem(&html, KELEM_LI));
-		K_OK(khtml_attr(&html, KELEM_A, KATTR_HREF, url, KATTR__MAX));
-		K_OK(khtml_puts(&html, dir->d_name));
-		K_OK(khtml_closeelem(&html, 2));
+		}
+		K_OK(khtml_elem(&html, KELEM_LI), r);
+		K_OK(khtml_attr(&html, KELEM_A, KATTR_HREF, url, KATTR__MAX),
+		     r);
+		K_OK(khtml_puts(&html, dir->d_name), r);
+		K_OK(khtml_closeelem(&html, 2), r);
 	}
-	K_OK(khtml_close(&html));
+	K_OK(khtml_close(&html), r);
 	closedir(data_dir);
-
-	return VAULT_SUCCESS;
 }