From 215aa95c8d8c85985c1dcc5a994ad164823b39e6 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 12 Aug 2022 00:30:14 +0200
Subject: vfs: OPEN_RO flag, read-only whitelist entries

---
 src/user/lib/fs/misc.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/user/lib/fs')

diff --git a/src/user/lib/fs/misc.c b/src/user/lib/fs/misc.c
index 16e95e7..038cd3b 100644
--- a/src/user/lib/fs/misc.c
+++ b/src/user/lib/fs/misc.c
@@ -87,6 +87,10 @@ void fs_whitelist(const char **list) {
 
 				for (const char **iter = list; *iter; iter++) {
 					size_t len = strlen(*iter);
+					if (len >= 3 && !memcmp(*iter + len - 3, ":ro", 3)) {
+						res.flags = res.flags | OPEN_RO;
+						len -= 3;
+					}
 					if (len <= res.len && !memcmp(buf, *iter, len)) {
 						passthru = true;
 						break;
-- 
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