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cifs: fix regression in very old smb1 mounts 

commit 2f6f19c7aa upstream.

BZ: 215375

Fixes: 76a3c92ec9 ("cifs: remove support for NTLM and weaker authentication algorithms")
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ronnie Sahlberg 2022-10-12 09:12:07 +10:00 committed by Greg Kroah-Hartman
parent 96f8666c73
commit 096df60894
1 changed files with 5 additions and 6 deletions
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11
fs/cifs/connect.c
View File

@ -3921,12 +3921,11 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
pSMB->AndXCommand = 0xFF;
pSMB->Flags = cpu_to_le16(TCON_EXTENDED_SECINFO);
bcc_ptr = &pSMB->Password[0];
if (tcon->pipe || (ses->server->sec_mode & SECMODE_USER)) {
pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
*bcc_ptr = 0; /* password is null byte */
bcc_ptr++; /* skip password */
/* already aligned so no need to do it below */
}
pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
*bcc_ptr = 0; /* password is null byte */
bcc_ptr++; /* skip password */
/* already aligned so no need to do it below */
if (ses->server->sign)
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;