diff options
| author | Steve French <stfrench@microsoft.com> | 2020-02-28 08:32:37 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-03-23 04:49:09 +0100 |
| commit | 8fe0c2c2cb7be631576637555d712247bc86f1bf (patch) | |
| tree | 702299599085113506b097a320b751d580ec2df6 /fs/cifs | |
| parent | smb3: fix performance regression with setting mtime (diff) | |
| download | linux-8fe0c2c2cb7be631576637555d712247bc86f1bf.tar.xz linux-8fe0c2c2cb7be631576637555d712247bc86f1bf.zip | |
cifs: print warning mounting with vers=1.0
We really, really don't want people using insecure dialects
unless they realize what they are doing ...
Add mount warning if mounting with vers=1.0 (older SMB1/CIFS
dialect) instead of the default (SMB2.1 or later, typically
SMB3.1.1).
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/connect.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f4d12b79ceed..46b602dfc4d3 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1471,6 +1471,9 @@ cifs_parse_smb_version(char *value, struct smb_vol *vol, bool is_smb3) cifs_dbg(VFS, "vers=1.0 (cifs) not permitted when mounting with smb3\n"); return 1; } + cifs_dbg(VFS, "Use of the less secure dialect vers=1.0 " + "is not recommended unless required for " + "access to very old servers\n"); vol->ops = &smb1_operations; vol->vals = &smb1_values; break; |