From f133d71fc49a6ae2ddd64c73e630227e1e7a9ba5 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Mon, 22 Apr 2024 11:00:37 -0400
Subject: fsade: Implement ACL detection on Illumos

---
 src/fsade.c | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

(limited to 'src/fsade.c')

diff --git a/src/fsade.c b/src/fsade.c
index dac2ca6..d56fb07 100644
--- a/src/fsade.c
+++ b/src/fsade.c
@@ -121,6 +121,8 @@ static bool is_absence_error(int error) {
 
 #if BFS_CAN_CHECK_ACL
 
+#if BFS_HAS_ACL_GET_FILE
+
 /** Unified interface for incompatible acl_get_entry() implementations. */
 static int bfs_acl_entry(acl_t acl, int which, acl_entry_t *entry) {
 #if BFS_HAS_ACL_GET_ENTRY
@@ -226,29 +228,35 @@ static int bfs_check_acl_type(acl_t acl, acl_type_t type) {
 #endif
 }
 
+#endif // BFS_HAS_ACL_GET_FILE
+
 int bfs_check_acl(const struct BFTW *ftwbuf) {
+	if (ftwbuf->type == BFS_LNK) {
+		return 0;
+	}
+
+	const char *path = fake_at(ftwbuf);
+
+#if BFS_HAS_ACL_TRIVIAL
+	int ret = acl_trivial(path);
+	int error = errno;
+#elif BFS_HAS_ACL_GET_FILE
 	static const acl_type_t acl_types[] = {
-#if __APPLE__
+#  if __APPLE__
 		// macOS gives EINVAL for either of the two standard ACL types,
 		// supporting only ACL_TYPE_EXTENDED
 		ACL_TYPE_EXTENDED,
-#else
+#  else
 		// The two standard POSIX.1e ACL types
 		ACL_TYPE_ACCESS,
 		ACL_TYPE_DEFAULT,
-#endif
+#  endif
 
-#ifdef ACL_TYPE_NFS4
+#  ifdef ACL_TYPE_NFS4
 		ACL_TYPE_NFS4,
-#endif
+#  endif
 	};
 
-	if (ftwbuf->type == BFS_LNK) {
-		return 0;
-	}
-
-	const char *path = fake_at(ftwbuf);
-
 	int ret = -1, error = 0;
 	for (size_t i = 0; i < countof(acl_types) && ret <= 0; ++i) {
 		acl_type_t type = acl_types[i];
@@ -272,6 +280,7 @@ int bfs_check_acl(const struct BFTW *ftwbuf) {
 		error = errno;
 		acl_free(acl);
 	}
+#endif
 
 	free_fake_at(ftwbuf, path);
 	errno = error;
-- 
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