Author: sfrench Date: 2006-08-16 16:39:11 +0000 (Wed, 16 Aug 2006) New Revision: 70
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=linux-cifs-client&rev=70 Log: Allow cifsd to suspend if connection is lost Make cifsd allow us to suspend if it has lost the connection with a server Ref: http://bugzilla.kernel.org/show_bug.cgi?id=6811 Signed-off-by: Rafael J. Wysocki <[EMAIL PROTECTED]> Acked-by: Pavel Machek <[EMAIL PROTECTED]> Signed-off-by: Steve French <[EMAIL PROTECTED]> Also remove dead file and cleanup (line past 80th column) Removed: branches/linux-converged-for-old-kernels/fs/cifs/ntlmssp.c Modified: branches/linux-converged-for-old-kernels/fs/cifs/cifsproto.h branches/linux-converged-for-old-kernels/fs/cifs/connect.c Changeset: Modified: branches/linux-converged-for-old-kernels/fs/cifs/cifsproto.h =================================================================== --- branches/linux-converged-for-old-kernels/fs/cifs/cifsproto.h 2006-08-14 22:30:06 UTC (rev 69) +++ branches/linux-converged-for-old-kernels/fs/cifs/cifsproto.h 2006-08-16 16:39:11 UTC (rev 70) @@ -75,8 +75,8 @@ extern int cifs_inet_pton(int, char * source, void *dst); extern int map_smb_to_linux_error(struct smb_hdr *smb); extern void header_assemble(struct smb_hdr *, char /* command */ , - const struct cifsTconInfo *, - int /* length of fixed section (word count) in two byte units */); + const struct cifsTconInfo *, int /* length of + fixed section (word count) in two byte units */); extern int small_smb_init_no_tc(const int smb_cmd, const int wct, struct cifsSesInfo *ses, void ** request_buf); Modified: branches/linux-converged-for-old-kernels/fs/cifs/connect.c =================================================================== --- branches/linux-converged-for-old-kernels/fs/cifs/connect.c 2006-08-14 22:30:06 UTC (rev 69) +++ branches/linux-converged-for-old-kernels/fs/cifs/connect.c 2006-08-16 16:39:11 UTC (rev 70) @@ -194,6 +194,9 @@ while ((server->tcpStatus != CifsExiting) && (server->tcpStatus != CifsGood)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 12) + try_to_freeze(); +#endif if(server->protocolType == IPV6) { rc = ipv6_connect(&server->addr.sockAddr6,&server->ssocket); } else { Deleted: branches/linux-converged-for-old-kernels/fs/cifs/ntlmssp.c =================================================================== --- branches/linux-converged-for-old-kernels/fs/cifs/ntlmssp.c 2006-08-14 22:30:06 UTC (rev 69) +++ branches/linux-converged-for-old-kernels/fs/cifs/ntlmssp.c 2006-08-16 16:39:11 UTC (rev 70) @@ -1,143 +0,0 @@ -/* - * fs/cifs/ntlmssp.h - * - * Copyright (c) International Business Machines Corp., 2006 - * Author(s): Steve French ([EMAIL PROTECTED]) - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published - * by the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "cifspdu.h" -#include "cifsglob.h" -#include "cifsproto.h" -#include "cifs_unicode.h" -#include "cifs_debug.h" -#include "ntlmssp.h" -#include "nterr.h" - -#ifdef CONFIG_CIFS_EXPERIMENTAL -static __u32 cifs_ssetup_hdr(struct cifsSesInfo *ses, SESSION_SETUP_ANDX *pSMB) -{ - __u32 capabilities = 0; - - /* init fields common to all four types of SessSetup */ - /* note that header is initialized to zero in header_assemble */ - pSMB->req.AndXCommand = 0xFF; - pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf); - pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - - /* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */ - - /* BB verify whether signing required on neg or just on auth frame - (and NTLM case) */ - - capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | - CAP_LARGE_WRITE_X | CAP_LARGE_READ_X; - - if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) - pSMB->req.hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE; - - if (ses->capabilities & CAP_UNICODE) { - pSMB->req.hdr.Flags2 |= SMBFLG2_UNICODE; - capabilities |= CAP_UNICODE; - } - if (ses->capabilities & CAP_STATUS32) { - pSMB->req.hdr.Flags2 |= SMBFLG2_ERR_STATUS; - capabilities |= CAP_STATUS32; - } - if (ses->capabilities & CAP_DFS) { - pSMB->req.hdr.Flags2 |= SMBFLG2_DFS; - capabilities |= CAP_DFS; - } - - /* BB check whether to init vcnum BB */ - return capabilities; -} -int -CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, const int type, - int * pNTLMv2_flg, const struct nls_table *nls_cp) -{ - int rc = 0; - int wct; - struct smb_hdr *smb_buffer; - char *bcc_ptr; - SESSION_SETUP_ANDX *pSMB; - __u32 capabilities; - - if(ses == NULL) - return -EINVAL; - - cFYI(1,("SStp type: %d",type)); - if(type < CIFS_NTLM) { -#ifndef CONFIG_CIFS_WEAK_PW_HASH - /* LANMAN and plaintext are less secure and off by default. - So we make this explicitly be turned on in kconfig (in the - build) and turned on at runtime (changed from the default) - in proc/fs/cifs or via mount parm. Unfortunately this is - needed for old Win (e.g. Win95), some obscure NAS and OS/2 */ - return -EOPNOTSUPP; -#endif - wct = 10; /* lanman 2 style sessionsetup */ - } else if(type < CIFS_NTLMSSP_NEG) - wct = 13; /* old style NTLM sessionsetup */ - else /* same size for negotiate or auth, NTLMSSP or extended security */ - wct = 12; - - rc = small_smb_init_no_tc(SMB_COM_SESSION_SETUP_ANDX, wct, ses, - (void **)&smb_buffer); - if(rc) - return rc; - - pSMB = (SESSION_SETUP_ANDX *)smb_buffer; - - capabilities = cifs_ssetup_hdr(ses, pSMB); - bcc_ptr = pByteArea(smb_buffer); - if(type > CIFS_NTLM) { - pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; - capabilities |= CAP_EXTENDED_SECURITY; - pSMB->req.Capabilities = cpu_to_le32(capabilities); - /* BB set password lengths */ - } else if(type < CIFS_NTLM) /* lanman */ { - /* no capabilities flags in old lanman negotiation */ - /* pSMB->old_req.PasswordLength = */ /* BB fixme BB */ - } else /* type CIFS_NTLM */ { - pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities); - pSMB->req_no_secext.CaseInsensitivePasswordLength = - cpu_to_le16(CIFS_SESSION_KEY_SIZE); - pSMB->req_no_secext.CaseSensitivePasswordLength = - cpu_to_le16(CIFS_SESSION_KEY_SIZE); - } - - - /* copy session key */ - - /* if Unicode, align strings to two byte boundary */ - - /* copy user name */ /* BB Do we need to special case null user name? */ - - /* copy domain name */ - - /* copy Linux version */ - - /* copy network operating system name */ - - /* update bcc and smb buffer length */ - -/* rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buf_type, 0); */ - /* SMB request buf freed in SendReceive2 */ - - return rc; -} -#endif /* CONFIG_CIFS_EXPERIMENTAL */
