From: Ronnie Sahlberg lsahlber@redhat.com
[ Upstream commit f2aee329a68f5a907bcff11a109dfe17c0b41aeb ]
RHBZ: 1710429
When we use a domain-key to authenticate using multiuser we must also set the domainnmame for the new volume as it will be used and passed to the server in the NTLMSSP Domain-name.
Signed-off-by: Ronnie Sahlberg lsahlber@redhat.com Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/cifs/connect.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 208430bb66fc6..75727518b272a 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2756,6 +2756,7 @@ static int cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) { int rc = 0; + int is_domain = 0; const char *delim, *payload; char *desc; ssize_t len; @@ -2803,6 +2804,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) rc = PTR_ERR(key); goto out_err; } + is_domain = 1; }
down_read(&key->sem); @@ -2860,6 +2862,26 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) goto out_key_put; }
+ /* + * If we have a domain key then we must set the domainName in the + * for the request. + */ + if (is_domain && ses->domainName) { + vol->domainname = kstrndup(ses->domainName, + strlen(ses->domainName), + GFP_KERNEL); + if (!vol->domainname) { + cifs_dbg(FYI, "Unable to allocate %zd bytes for " + "domain\n", len); + rc = -ENOMEM; + kfree(vol->username); + vol->username = NULL; + kfree(vol->password); + vol->password = NULL; + goto out_key_put; + } + } + out_key_put: up_read(&key->sem); key_put(key);