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-rw-r--r--fs/cifs/connect.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 0711db65afe8..4c13bcdb92a5 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3598,19 +3598,21 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3598 char ntlm_session_key[CIFS_SESS_KEY_SIZE]; 3598 char ntlm_session_key[CIFS_SESS_KEY_SIZE];
3599 bool ntlmv2_flag = false; 3599 bool ntlmv2_flag = false;
3600 int first_time = 0; 3600 int first_time = 0;
3601 struct TCP_Server_Info *server = pSesInfo->server;
3601 3602
3602 /* what if server changes its buffer size after dropping the session? */ 3603 /* what if server changes its buffer size after dropping the session? */
3603 if (pSesInfo->server->maxBuf == 0) /* no need to send on reconnect */ { 3604 if (server->maxBuf == 0) /* no need to send on reconnect */ {
3604 rc = CIFSSMBNegotiate(xid, pSesInfo); 3605 rc = CIFSSMBNegotiate(xid, pSesInfo);
3605 if (rc == -EAGAIN) /* retry only once on 1st time connection */ { 3606 if (rc == -EAGAIN) {
3607 /* retry only once on 1st time connection */
3606 rc = CIFSSMBNegotiate(xid, pSesInfo); 3608 rc = CIFSSMBNegotiate(xid, pSesInfo);
3607 if (rc == -EAGAIN) 3609 if (rc == -EAGAIN)
3608 rc = -EHOSTDOWN; 3610 rc = -EHOSTDOWN;
3609 } 3611 }
3610 if (rc == 0) { 3612 if (rc == 0) {
3611 spin_lock(&GlobalMid_Lock); 3613 spin_lock(&GlobalMid_Lock);
3612 if (pSesInfo->server->tcpStatus != CifsExiting) 3614 if (server->tcpStatus != CifsExiting)
3613 pSesInfo->server->tcpStatus = CifsGood; 3615 server->tcpStatus = CifsGood;
3614 else 3616 else
3615 rc = -EHOSTDOWN; 3617 rc = -EHOSTDOWN;
3616 spin_unlock(&GlobalMid_Lock); 3618 spin_unlock(&GlobalMid_Lock);
@@ -3623,23 +3625,22 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3623 goto ss_err_exit; 3625 goto ss_err_exit;
3624 3626
3625 pSesInfo->flags = 0; 3627 pSesInfo->flags = 0;
3626 pSesInfo->capabilities = pSesInfo->server->capabilities; 3628 pSesInfo->capabilities = server->capabilities;
3627 if (linuxExtEnabled == 0) 3629 if (linuxExtEnabled == 0)
3628 pSesInfo->capabilities &= (~CAP_UNIX); 3630 pSesInfo->capabilities &= (~CAP_UNIX);
3629 /* pSesInfo->sequence_number = 0;*/ 3631 /* pSesInfo->sequence_number = 0;*/
3630 cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", 3632 cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
3631 pSesInfo->server->secMode, 3633 server->secMode, server->capabilities, server->timeAdj));
3632 pSesInfo->server->capabilities, 3634
3633 pSesInfo->server->timeAdj));
3634 if (experimEnabled < 2) 3635 if (experimEnabled < 2)
3635 rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info); 3636 rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info);
3636 else if (extended_security 3637 else if (extended_security
3637 && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY) 3638 && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
3638 && (pSesInfo->server->secType == NTLMSSP)) { 3639 && (server->secType == NTLMSSP)) {
3639 rc = -EOPNOTSUPP; 3640 rc = -EOPNOTSUPP;
3640 } else if (extended_security 3641 } else if (extended_security
3641 && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY) 3642 && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
3642 && (pSesInfo->server->secType == RawNTLMSSP)) { 3643 && (server->secType == RawNTLMSSP)) {
3643 cFYI(1, ("NTLMSSP sesssetup")); 3644 cFYI(1, ("NTLMSSP sesssetup"));
3644 rc = CIFSNTLMSSPNegotiateSessSetup(xid, pSesInfo, &ntlmv2_flag, 3645 rc = CIFSNTLMSSPNegotiateSessSetup(xid, pSesInfo, &ntlmv2_flag,
3645 nls_info); 3646 nls_info);
@@ -3668,12 +3669,12 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3668 3669
3669 } else { 3670 } else {
3670 SMBNTencrypt(pSesInfo->password, 3671 SMBNTencrypt(pSesInfo->password,
3671 pSesInfo->server->cryptKey, 3672 server->cryptKey,
3672 ntlm_session_key); 3673 ntlm_session_key);
3673 3674
3674 if (first_time) 3675 if (first_time)
3675 cifs_calculate_mac_key( 3676 cifs_calculate_mac_key(
3676 &pSesInfo->server->mac_signing_key, 3677 &server->mac_signing_key,
3677 ntlm_session_key, 3678 ntlm_session_key,
3678 pSesInfo->password); 3679 pSesInfo->password);
3679 } 3680 }
@@ -3686,13 +3687,13 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3686 nls_info); 3687 nls_info);
3687 } 3688 }
3688 } else { /* old style NTLM 0.12 session setup */ 3689 } else { /* old style NTLM 0.12 session setup */
3689 SMBNTencrypt(pSesInfo->password, pSesInfo->server->cryptKey, 3690 SMBNTencrypt(pSesInfo->password, server->cryptKey,
3690 ntlm_session_key); 3691 ntlm_session_key);
3691 3692
3692 if (first_time) 3693 if (first_time)
3693 cifs_calculate_mac_key( 3694 cifs_calculate_mac_key(&server->mac_signing_key,
3694 &pSesInfo->server->mac_signing_key, 3695 ntlm_session_key,
3695 ntlm_session_key, pSesInfo->password); 3696 pSesInfo->password);
3696 3697
3697 rc = CIFSSessSetup(xid, pSesInfo, ntlm_session_key, nls_info); 3698 rc = CIFSSessSetup(xid, pSesInfo, ntlm_session_key, nls_info);
3698 } 3699 }