From a4ca9e7c08844540a8e3f8a9088edbacc0a4eaab Mon Sep 17 00:00:00 2001
From: Bartosz Sosnowski <bartosz@janeasystems.com>
Date: Thu, 26 Apr 2018 12:38:59 +0200
Subject: [PATCH] test: regression test for Node issue #20112

Port test from https://github.com/nodejs/node/pull/20138 to libuv.

Refs: https://github.com/nodejs/node/issues/20112
Refs: https://github.com/nodejs/node/pull/20138
---
 test/test-fs.c   | 89 ++++++++++++++++++++++++++++++++++++++++++++++++
 test/test-list.h |  2 ++
 2 files changed, 91 insertions(+)

diff --git a/test/test-fs.c b/test/test-fs.c
index 000a151a64e..d1131ec5d95 100644
--- a/test/test-fs.c
+++ b/test/test-fs.c
@@ -3230,3 +3230,92 @@ TEST_IMPL(fs_exclusive_sharing_mode) {
   return 0;
 }
 #endif
+
+#ifdef _WIN32
+int call_icacls(const char* command, ...) {
+    uv_process_t handle;
+    uv_process_options_t options;
+    char icacls_command[1024];
+    char* icacls_args[3];
+    va_list args;
+    
+    va_start(args, command);
+    vsnprintf(icacls_command, ARRAYSIZE(icacls_command), command, args);
+    va_end(args);
+    return system(icacls_command);
+}
+
+TEST_IMPL(fs_open_readonly_acl) {
+    uv_passwd_t pwd;
+    uv_fs_t req;
+    int r;
+
+    /*
+        Based on Node.js test from
+        https://github.com/nodejs/node/commit/3ba81e34e86a5c32658e218cb6e65b13e8326bc5
+
+        If anything goes wrong, you can delte the test_fle_icacls with:
+
+            icacls test_file_icacls /remove "%USERNAME%" /inheritance:e
+            attrib -r test_file_icacls
+            del test_file_icacls
+    */
+    
+    /* Setup - clear the ACL and remove the file */
+    loop = uv_default_loop();
+    r = uv_os_get_passwd(&pwd);
+    ASSERT(r == 0);
+    call_icacls("icacls test_file_icacls /remove \"%s\" /inheritance:e",
+                pwd.username);
+    uv_fs_chmod(loop, &req, "test_file_icacls", S_IWUSR, NULL);
+    unlink("test_file_icacls");
+
+    /* Create the file */    
+    r = uv_fs_open(loop,
+                   &open_req1,
+                   "test_file_icacls",
+                   O_RDONLY | O_CREAT,
+                   S_IRUSR,
+                   NULL);
+    ASSERT(r >= 0);
+    ASSERT(open_req1.result >= 0);
+    uv_fs_req_cleanup(&open_req1);
+    r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
+    ASSERT(r == 0);
+    ASSERT(close_req.result == 0);
+    uv_fs_req_cleanup(&close_req);
+
+    /* Set up ACL */
+    r = call_icacls("icacls test_file_icacls /inheritance:r /remove \"%s\"",
+                    pwd.username);
+    if (r != 0) {
+        goto acl_cleanup;
+    }
+    r = call_icacls("icacls test_file_icacls /grant \"%s\":RX", pwd.username);
+    if (r != 0) {
+        goto acl_cleanup;
+    }
+    
+    /* Try opening the file */
+    r = uv_fs_open(NULL, &open_req1, "test_file_icacls", O_RDONLY, 0, NULL);
+    if (r < 0) {
+        goto acl_cleanup;
+    }
+    uv_fs_req_cleanup(&open_req1);
+    r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
+    if (r != 0) {
+        goto acl_cleanup;
+    }
+    uv_fs_req_cleanup(&close_req);
+
+ acl_cleanup:
+    /* Cleanup */
+    call_icacls("icacls test_file_icacls /remove \"%s\" /inheritance:e",
+                pwd.username);
+    unlink("test_file_icacls");
+    uv_os_free_passwd(&pwd);
+    ASSERT(r == 0);
+    MAKE_VALGRIND_HAPPY();
+    return 0;
+}
+#endif
diff --git a/test/test-list.h b/test/test-list.h
index b89930d709e..bb95ba56f47 100644
--- a/test/test-list.h
+++ b/test/test-list.h
@@ -337,6 +337,7 @@ TEST_DECLARE   (fs_file_pos_after_op_with_offset)
 TEST_DECLARE   (fs_null_req)
 #ifdef _WIN32
 TEST_DECLARE   (fs_exclusive_sharing_mode)
+TEST_DECLARE   (fs_open_readonly_acl)
 #endif
 TEST_DECLARE   (threadpool_queue_work_simple)
 TEST_DECLARE   (threadpool_queue_work_einval)
@@ -869,6 +870,7 @@ TASK_LIST_START
   TEST_ENTRY  (fs_null_req)
 #ifdef _WIN32
   TEST_ENTRY  (fs_exclusive_sharing_mode)
+  TEST_ENTRY  (fs_open_readonly_acl)
 #endif
   TEST_ENTRY  (get_osfhandle_valid_handle)
   TEST_ENTRY  (threadpool_queue_work_simple)