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From: Corinna Vinschen <corinna@sourceware.org> To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin/main] Cygwin: mknod: disable creating special files on NFS Date: Fri, 25 Aug 2023 12:40:17 +0000 (GMT) [thread overview] Message-ID: <20230825124017.4E18E3858421@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d085592daa5f89ccc9f5b86b2ca26199e7516d61 commit d085592daa5f89ccc9f5b86b2ca26199e7516d61 Author: Corinna Vinschen <corinna@vinschen.de> AuthorDate: Fri Aug 25 14:39:04 2023 +0200 Commit: Corinna Vinschen <corinna@vinschen.de> CommitDate: Fri Aug 25 14:39:04 2023 +0200 Cygwin: mknod: disable creating special files on NFS This simply doesn't work (yet?) but leaves unusable files behind. Signed-off-by: Corinna Vinschen <corinna@vinschen.de> Diff: --- winsup/cygwin/syscalls.cc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index e4b3dd2f3c62..52b9c9a8be91 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -3294,6 +3294,12 @@ mknod (const char *path, mode_t mode, dev_t dev) __leave; } + if (w32path.fs_is_nfs ()) + { + set_errno (EPERM); + __leave; + } + return mknod_worker (w32path, mode, major, minor); } __except (EFAULT)
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