[PATCH v2 0/3] MR8030: wineserver: Allow NtOpenFile with read-only files.

[Joel Holdsworth (＠jhol)]

Co-authored-by: Bernhard Übelacker <bernhardu(a)mailbox.org>

--
  v2: server: Open file read-only when writing only attributes
      server: Open code FILE_UNIX_WRITE_ACCESS flags
      ntdll/tests: Test opening read-only files only for read/write attributes.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8030

[PATCH v2 1/3] ntdll/tests: Test opening read-only files only for read/write attributes.

[Joel Holdsworth]

From: Joel Holdsworth <joel(a)airwebreathe.org.uk>

Co-authored-by: Bernhard Übelacker <bernhardu(a)mailbox.org>
---
 dlls/ntdll/tests/file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index dee5b04d77e..62ea9447d43 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -5887,6 +5887,11 @@ static void test_file_readonly_access(void)
     status = pNtOpenFile(&handle, GENERIC_WRITE, &attr, &io, default_sharing, FILE_NON_DIRECTORY_FILE);
     ok(status == STATUS_ACCESS_DENIED, "expected STATUS_ACCESS_DENIED, got %#lx.\n", status);
 
+    /* NtOpenFile FILE_{READ,WRITE}_ATTRIBUTES */
+    status = pNtOpenFile(&handle, FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES, &attr, &io, default_sharing, FILE_NON_DIRECTORY_FILE);
+    todo_wine ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx.\n", status);
+    CloseHandle(handle);
+
     /* NtOpenFile DELETE without FILE_DELETE_ON_CLOSE */
     status = pNtOpenFile(&handle, DELETE, &attr, &io, default_sharing, FILE_NON_DIRECTORY_FILE);
     ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx.\n", status);
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/8030

[PATCH v2 3/3] server: Open file read-only when writing only attributes

[Joel Holdsworth]

From: Joel Holdsworth <joel(a)airwebreathe.org.uk>

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56925
---
 dlls/ntdll/tests/file.c | 2 +-
 server/fd.c             | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 62ea9447d43..7b48f7b694d 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -5889,7 +5889,7 @@ static void test_file_readonly_access(void)
 
     /* NtOpenFile FILE_{READ,WRITE}_ATTRIBUTES */
     status = pNtOpenFile(&handle, FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES, &attr, &io, default_sharing, FILE_NON_DIRECTORY_FILE);
-    todo_wine ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx.\n", status);
+    ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx.\n", status);
     CloseHandle(handle);
 
     /* NtOpenFile DELETE without FILE_DELETE_ON_CLOSE */
diff --git a/server/fd.c b/server/fd.c
index 1816486081d..39c28eb6a84 100644
--- a/server/fd.c
+++ b/server/fd.c
@@ -1935,7 +1935,7 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam
         flags &= ~(O_CREAT | O_EXCL | O_TRUNC);
     }
 
-    if ((access & (FILE_WRITE_DATA|FILE_APPEND_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA)) &&
+    if ((access & (FILE_WRITE_DATA|FILE_APPEND_DATA|FILE_WRITE_EA)) &&
         !(options & FILE_DIRECTORY_FILE))
     {
         if (access & FILE_UNIX_READ_ACCESS) rw_mode = O_RDWR;
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/8030

[PATCH v2 2/3] server: Open code FILE_UNIX_WRITE_ACCESS flags

[Joel Holdsworth]

From: Joel Holdsworth <joel(a)airwebreathe.org.uk>

---
 server/fd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/fd.c b/server/fd.c
index bb0e90d99d0..1816486081d 100644
--- a/server/fd.c
+++ b/server/fd.c
@@ -1935,7 +1935,8 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam
         flags &= ~(O_CREAT | O_EXCL | O_TRUNC);
     }
 
-    if ((access & FILE_UNIX_WRITE_ACCESS) && !(options & FILE_DIRECTORY_FILE))
+    if ((access & (FILE_WRITE_DATA|FILE_APPEND_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA)) &&
+        !(options & FILE_DIRECTORY_FILE))
     {
         if (access & FILE_UNIX_READ_ACCESS) rw_mode = O_RDWR;
         else rw_mode = O_WRONLY;
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/8030

[Dmitry Timoshkov (＠dmitry)]

On Tue May 13 19:32:53 2025 +0000, Dmitry Timoshkov wrote:
> Probably FILE_WRITE_ATTRIBUTES shouldn't lead to requesting write access
> to a file.
> And FILE_WRITE_EA as well (EA stands for extended attributes).

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8030#note_103198