From 710e9b2b5c16f74f66420c66d12455ad518d42c7 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 2 Oct 2022 19:25:17 +0200
Subject: syscall/open: add the full suite of READ/WRITE flags

---
 src/user/app/netstack/fs.c       | 3 ++-
 src/user/app/netstack/netstack.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/user/app/netstack')

diff --git a/src/user/app/netstack/fs.c b/src/user/app/netstack/fs.c
index d8faadf..ad6c23c 100644
--- a/src/user/app/netstack/fs.c
+++ b/src/user/app/netstack/fs.c
@@ -144,7 +144,8 @@ static void fs_open(handle_t reqh, char *path, int flags) {
 	}
 
 	/* everything below ends up sending packets */
-	if (flags & OPEN_RO) respond(NULL, -EACCES);
+	if (!OPEN_WRITEABLE(flags))
+		respond(NULL, -EACCES);
 
 	char *save;
 	const char *verb, *proto, *port_s;
diff --git a/src/user/app/netstack/netstack.c b/src/user/app/netstack/netstack.c
index cc5247b..c0934fd 100644
--- a/src/user/app/netstack/netstack.c
+++ b/src/user/app/netstack/netstack.c
@@ -1,5 +1,6 @@
 #include "proto.h"
 #include "util.h"
+#include <camellia/flags.h>
 #include <camellia/syscalls.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -33,7 +34,7 @@ int main(int argc, char **argv) {
 		eprintf("usage: netstack iface ip gateway");
 		return 1;
 	}
-	state.raw_h = _syscall_open(argv[1], strlen(argv[1]), 0);
+	state.raw_h = _syscall_open(argv[1], strlen(argv[1]), OPEN_RW);
 	if (state.raw_h < 0) {
 		eprintf("couldn't open %s", argv[1]);
 		return 1;
-- 
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