syscall_wrappers: add PROTECT_OPEN_W_* variants

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

syscall_wrappers: add PROTECT_OPEN_W_* variants
bcf9793d · Christian Brauner · 4c6c4794 · bcf9793d
Unverified Commit bcf9793d authored Feb 02, 2021 by Christian Brauner
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syscall_wrappers.h src/lxc/syscall_wrappers.h +3 -0

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--- a/src/lxc/syscall_wrappers.h
+++ b/src/lxc/syscall_wrappers.h
@@ -268,6 +268,9 @@ struct lxc_open_how {
 #define PROTECT_OPEN_WITH_TRAILING_SYMLINKS (O_CLOEXEC | O_NOCTTY | O_RDONLY)
 #define PROTECT_OPEN (PROTECT_OPEN_WITH_TRAILING_SYMLINKS | O_NOFOLLOW)

+#define PROTECT_OPEN_W_WITH_TRAILING_SYMLINKS (O_CLOEXEC | O_NOCTTY | O_WRONLY)
+#define PROTECT_OPEN_W (PROTECT_OPEN_WITH_TRAILING_SYMLINKS | O_NOFOLLOW)
+
 #ifndef HAVE_OPENAT2
 static inline int openat2(int dfd, const char *filename, struct lxc_open_how *how, size_t size)
 {