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* [newlib-cygwin/cygwin-3_4-branch] Cygwin: mknod: disable creating special files on NFS
@ 2023-08-25 12:40 Corinna Vinschen
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From: Corinna Vinschen @ 2023-08-25 12:40 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=f1189d596e32bf2db473e3f859d0a40da1ad08ef
commit f1189d596e32bf2db473e3f859d0a40da1ad08ef
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 14:39:38 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 a0ad3c2d0b29..ba0cd05b270a 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -3292,6 +3292,12 @@ 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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