58 lines
2.1 KiB
Diff
58 lines
2.1 KiB
Diff
From: Vivek Goyal <vgoyal@redhat.com>
|
|
Date: Mon, 27 Jan 2020 19:01:31 +0000
|
|
Subject: [PATCH] virtiofsd: Parse flag FUSE_WRITE_KILL_PRIV
|
|
|
|
Caller can set FUSE_WRITE_KILL_PRIV in write_flags. Parse it and pass it
|
|
to the filesystem.
|
|
|
|
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
|
|
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
|
|
Reviewed-by: Sergio Lopez <slp@redhat.com>
|
|
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
(cherry picked from commit f779bc5265e7e7abb13a03d4bfbc74151afc15c2)
|
|
---
|
|
tools/virtiofsd/fuse_common.h | 6 +++++-
|
|
tools/virtiofsd/fuse_lowlevel.c | 4 +++-
|
|
2 files changed, 8 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/tools/virtiofsd/fuse_common.h b/tools/virtiofsd/fuse_common.h
|
|
index f8f6433743..686c42c0a5 100644
|
|
--- a/tools/virtiofsd/fuse_common.h
|
|
+++ b/tools/virtiofsd/fuse_common.h
|
|
@@ -93,8 +93,12 @@ struct fuse_file_info {
|
|
*/
|
|
unsigned int cache_readdir:1;
|
|
|
|
+ /* Indicates that suid/sgid bits should be removed upon write */
|
|
+ unsigned int kill_priv:1;
|
|
+
|
|
+
|
|
/** Padding. Reserved for future use*/
|
|
- unsigned int padding:25;
|
|
+ unsigned int padding:24;
|
|
unsigned int padding2:32;
|
|
|
|
/*
|
|
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
|
|
index 02e1d83038..2d6dc5a680 100644
|
|
--- a/tools/virtiofsd/fuse_lowlevel.c
|
|
+++ b/tools/virtiofsd/fuse_lowlevel.c
|
|
@@ -1142,6 +1142,7 @@ static void do_write(fuse_req_t req, fuse_ino_t nodeid,
|
|
memset(&fi, 0, sizeof(fi));
|
|
fi.fh = arg->fh;
|
|
fi.writepage = (arg->write_flags & FUSE_WRITE_CACHE) != 0;
|
|
+ fi.kill_priv = !!(arg->write_flags & FUSE_WRITE_KILL_PRIV);
|
|
|
|
fi.lock_owner = arg->lock_owner;
|
|
fi.flags = arg->flags;
|
|
@@ -1177,7 +1178,8 @@ static void do_write_buf(fuse_req_t req, fuse_ino_t nodeid,
|
|
fi.lock_owner = arg->lock_owner;
|
|
fi.flags = arg->flags;
|
|
fi.fh = arg->fh;
|
|
- fi.writepage = arg->write_flags & FUSE_WRITE_CACHE;
|
|
+ fi.writepage = !!(arg->write_flags & FUSE_WRITE_CACHE);
|
|
+ fi.kill_priv = !!(arg->write_flags & FUSE_WRITE_KILL_PRIV);
|
|
|
|
if (ibufv->count == 1) {
|
|
assert(!(tmpbufv.buf[0].flags & FUSE_BUF_IS_FD));
|