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author | Corinna Vinschen <corinna@vinschen.de> | 2024-03-08 21:30:57 +0100 |
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committer | Corinna Vinschen <corinna@vinschen.de> | 2024-03-11 15:29:51 +0100 |
commit | 66138cbee4ed784b4cafc00533ebb74b6cdbfff1 (patch) | |
tree | 2db91577e28d2b04a4170122876af9dc0afa6127 | |
parent | c1cf14a871528d1adba88a0128813b58d52ba926 (diff) | |
download | newlib-66138cbee4ed784b4cafc00533ebb74b6cdbfff1.zip newlib-66138cbee4ed784b4cafc00533ebb74b6cdbfff1.tar.gz newlib-66138cbee4ed784b4cafc00533ebb74b6cdbfff1.tar.bz2 |
Cygwin: get/set security descriptors using FILE_OPEN_NO_RECALL
Add FILE_OPEN_NO_RECALL to NtOpenFile calls trying to fetch
or write file security descriptors so as not to recall them
from offline storage inadvertently.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
-rw-r--r-- | winsup/cygwin/sec/base.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/winsup/cygwin/sec/base.cc b/winsup/cygwin/sec/base.cc index 8b04b40..0fc8699 100644 --- a/winsup/cygwin/sec/base.cc +++ b/winsup/cygwin/sec/base.cc @@ -65,7 +65,8 @@ get_file_sd (HANDLE fh, path_conv &pc, security_descriptor &sd, fh ? pc.init_reopen_attr (attr, fh) : pc.get_object_attr (attr, sec_none_nih), &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | pc.is_known_reparse_point () ? FILE_OPEN_REPARSE_POINT : 0); if (!NT_SUCCESS (status)) @@ -129,7 +130,8 @@ get_file_sd (HANDLE fh, path_conv &pc, security_descriptor &sd, NULL, NULL); status = NtOpenFile (&fh, READ_CONTROL, &attr, &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | FILE_OPEN_REPARSE_POINT); if (!NT_SUCCESS (status)) { @@ -234,7 +236,8 @@ set_file_sd (HANDLE fh, path_conv &pc, security_descriptor &sd, bool is_chown) : pc.get_object_attr (attr, sec_none_nih), &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | pc.is_known_reparse_point () ? FILE_OPEN_REPARSE_POINT : 0); if (!NT_SUCCESS (status)) |