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fs/cifs/connect.c
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/* * fs/cifs/connect.c * |
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* Copyright (C) International Business Machines Corp., 2002,2009 |
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* Author(s): Steve French (sfrench@us.ibm.com) * * 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 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ #include <linux/fs.h> #include <linux/net.h> #include <linux/string.h> #include <linux/list.h> #include <linux/wait.h> |
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#include <linux/slab.h> |
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#include <linux/pagemap.h> #include <linux/ctype.h> #include <linux/utsname.h> #include <linux/mempool.h> |
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#include <linux/delay.h> |
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#include <linux/completion.h> |
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#include <linux/kthread.h> |
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#include <linux/pagevec.h> |
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#include <linux/freezer.h> |
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#include <linux/namei.h> |
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#include <asm/uaccess.h> #include <asm/processor.h> |
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#include <linux/inet.h> |
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#include <net/ipv6.h> |
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#include "cifspdu.h" #include "cifsglob.h" #include "cifsproto.h" #include "cifs_unicode.h" #include "cifs_debug.h" #include "cifs_fs_sb.h" #include "ntlmssp.h" #include "nterr.h" #include "rfc1002pdu.h" |
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#include "fscache.h" |
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#define CIFS_PORT 445 #define RFC1001_PORT 139 |
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/* SMB echo "timeout" -- FIXME: tunable? */ #define SMB_ECHO_INTERVAL (60 * HZ) |
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extern mempool_t *cifs_req_poolp; |
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/* FIXME: should these be tunable? */ |
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#define TLINK_ERROR_EXPIRE (1 * HZ) |
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#define TLINK_IDLE_EXPIRE (600 * HZ) |
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|
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static int ip_connect(struct TCP_Server_Info *server); static int generic_ip_connect(struct TCP_Server_Info *server); |
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static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink); |
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static void cifs_prune_tlinks(struct work_struct *work); |
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static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, const char *devname); |
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|
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/* * cifs tcp session reconnection * * mark tcp session as reconnecting so temporarily locked * mark all smb sessions as reconnecting for tcp session * reconnect tcp session * wake up waiters on reconnection? - (not needed currently) */ |
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static int |
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cifs_reconnect(struct TCP_Server_Info *server) { int rc = 0; |
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struct list_head *tmp, *tmp2; |
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struct cifs_ses *ses; struct cifs_tcon *tcon; |
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struct mid_q_entry *mid_entry; |
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struct list_head retry_list; |
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|
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spin_lock(&GlobalMid_Lock); |
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if (server->tcpStatus == CifsExiting) { |
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/* the demux thread will exit normally |
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next time through the loop */ spin_unlock(&GlobalMid_Lock); return rc; } else server->tcpStatus = CifsNeedReconnect; spin_unlock(&GlobalMid_Lock); server->maxBuf = 0; |
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cFYI(1, "Reconnecting tcp session"); |
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/* before reconnecting the tcp session, mark the smb session (uid) and the tid bad so they are not used until reconnected */ |
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cFYI(1, "%s: marking sessions and tcons for reconnect", __func__); |
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spin_lock(&cifs_tcp_ses_lock); |
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list_for_each(tmp, &server->smb_ses_list) { |
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ses = list_entry(tmp, struct cifs_ses, smb_ses_list); |
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ses->need_reconnect = true; ses->ipc_tid = 0; |
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list_for_each(tmp2, &ses->tcon_list) { |
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tcon = list_entry(tmp2, struct cifs_tcon, tcon_list); |
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tcon->need_reconnect = true; |
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} |
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} |
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spin_unlock(&cifs_tcp_ses_lock); |
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|
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/* do not want to be sending data on a socket we are freeing */ |
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cFYI(1, "%s: tearing down socket", __func__); |
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mutex_lock(&server->srv_mutex); |
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if (server->ssocket) { |
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cFYI(1, "State: 0x%x Flags: 0x%lx", server->ssocket->state, server->ssocket->flags); |
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kernel_sock_shutdown(server->ssocket, SHUT_WR); |
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cFYI(1, "Post shutdown state: 0x%x Flags: 0x%lx", |
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server->ssocket->state, |
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server->ssocket->flags); |
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sock_release(server->ssocket); server->ssocket = NULL; } |
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server->sequence_number = 0; server->session_estab = false; |
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kfree(server->session_key.response); server->session_key.response = NULL; server->session_key.len = 0; |
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server->lstrp = jiffies; |
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mutex_unlock(&server->srv_mutex); |
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|
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/* mark submitted MIDs for retry and issue callback */ |
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INIT_LIST_HEAD(&retry_list); cFYI(1, "%s: moving mids to private list", __func__); |
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spin_lock(&GlobalMid_Lock); |
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list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { mid_entry = list_entry(tmp, struct mid_q_entry, qhead); if (mid_entry->midState == MID_REQUEST_SUBMITTED) |
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mid_entry->midState = MID_RETRY_NEEDED; |
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list_move(&mid_entry->qhead, &retry_list); } spin_unlock(&GlobalMid_Lock); cFYI(1, "%s: issuing mid callbacks", __func__); list_for_each_safe(tmp, tmp2, &retry_list) { mid_entry = list_entry(tmp, struct mid_q_entry, qhead); |
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list_del_init(&mid_entry->qhead); mid_entry->callback(mid_entry); |
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} |
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|
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do { |
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try_to_freeze(); |
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/* we should try only the port we connected to before */ rc = generic_ip_connect(server); |
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if (rc) { |
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cFYI(1, "reconnect error %d", rc); |
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msleep(3000); |
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} else { atomic_inc(&tcpSesReconnectCount); spin_lock(&GlobalMid_Lock); |
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if (server->tcpStatus != CifsExiting) |
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server->tcpStatus = CifsNeedNegotiate; |
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spin_unlock(&GlobalMid_Lock); |
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} |
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} while (server->tcpStatus == CifsNeedReconnect); |
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|
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return rc; } |
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/* |
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return codes: 0 not a transact2, or all data present >0 transact2 with that much data missing -EINVAL = invalid transact2 */ |
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static int check2ndT2(struct smb_hdr *pSMB, unsigned int maxBufSize) |
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{ |
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struct smb_t2_rsp *pSMBt; |
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int remaining; |
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__u16 total_data_size, data_in_this_rsp; |
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|
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if (pSMB->Command != SMB_COM_TRANSACTION2) |
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return 0; |
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/* check for plausible wct, bcc and t2 data and parm sizes */ /* check for parm and data offset going beyond end of smb */ if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */ |
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cFYI(1, "invalid transact2 word count"); |
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return -EINVAL; } pSMBt = (struct smb_t2_rsp *)pSMB; |
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total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); data_in_this_rsp = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); |
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|
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if (total_data_size == data_in_this_rsp) |
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return 0; |
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else if (total_data_size < data_in_this_rsp) { |
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cFYI(1, "total data %d smaller than data in frame %d", total_data_size, data_in_this_rsp); |
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return -EINVAL; |
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} |
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remaining = total_data_size - data_in_this_rsp; cFYI(1, "missing %d bytes from transact2, check next response", remaining); if (total_data_size > maxBufSize) { cERROR(1, "TotalDataSize %d is over maximum buffer %d", total_data_size, maxBufSize); return -EINVAL; } return remaining; |
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} |
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static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB) |
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{ struct smb_t2_rsp *pSMB2 = (struct smb_t2_rsp *)psecond; struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)pTargetSMB; |
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char *data_area_of_target; char *data_area_of_buf2; |
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int remaining; |
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unsigned int byte_count, total_in_buf; __u16 total_data_size, total_in_buf2; |
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|
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total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); |
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|
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if (total_data_size != get_unaligned_le16(&pSMB2->t2_rsp.TotalDataCount)) |
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cFYI(1, "total data size of primary and secondary t2 differ"); |
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|
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total_in_buf = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); |
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remaining = total_data_size - total_in_buf; |
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|
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if (remaining < 0) |
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return -EPROTO; |
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|
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if (remaining == 0) /* nothing to do, ignore */ |
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return 0; |
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|
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total_in_buf2 = get_unaligned_le16(&pSMB2->t2_rsp.DataCount); |
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if (remaining < total_in_buf2) { |
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cFYI(1, "transact2 2nd response contains too much data"); |
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} /* find end of first SMB data area */ |
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data_area_of_target = (char *)&pSMBt->hdr.Protocol + |
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get_unaligned_le16(&pSMBt->t2_rsp.DataOffset); |
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/* validate target area */ |
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data_area_of_buf2 = (char *)&pSMB2->hdr.Protocol + get_unaligned_le16(&pSMB2->t2_rsp.DataOffset); |
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data_area_of_target += total_in_buf; /* copy second buffer into end of first buffer */ |
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total_in_buf += total_in_buf2; |
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/* is the result too big for the field? */ if (total_in_buf > USHRT_MAX) return -EPROTO; |
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put_unaligned_le16(total_in_buf, &pSMBt->t2_rsp.DataCount); |
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/* fix up the BCC */ |
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byte_count = get_bcc(pTargetSMB); |
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byte_count += total_in_buf2; |
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/* is the result too big for the field? */ if (byte_count > USHRT_MAX) return -EPROTO; |
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put_bcc(byte_count, pTargetSMB); |
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|
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byte_count = be32_to_cpu(pTargetSMB->smb_buf_length); |
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byte_count += total_in_buf2; |
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/* don't allow buffer to overflow */ if (byte_count > CIFSMaxBufSize) return -ENOBUFS; |
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pTargetSMB->smb_buf_length = cpu_to_be32(byte_count); |
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|
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memcpy(data_area_of_target, data_area_of_buf2, total_in_buf2); |
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if (remaining == total_in_buf2) { |
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cFYI(1, "found the last secondary response"); |
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return 0; /* we are done */ } else /* more responses to go */ return 1; |
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} |
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static void cifs_echo_request(struct work_struct *work) { int rc; struct TCP_Server_Info *server = container_of(work, struct TCP_Server_Info, echo.work); |
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/* |
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* We cannot send an echo until the NEGOTIATE_PROTOCOL request is * done, which is indicated by maxBuf != 0. Also, no need to ping if * we got a response recently |
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*/ |
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if (server->maxBuf == 0 || |
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time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ)) |
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goto requeue_echo; rc = CIFSSMBEcho(server); if (rc) cFYI(1, "Unable to send echo request to server: %s", server->hostname); requeue_echo: queue_delayed_work(system_nrt_wq, &server->echo, SMB_ECHO_INTERVAL); } |
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static bool allocate_buffers(char **bigbuf, char **smallbuf, unsigned int size, bool is_large_buf) { char *bbuf = *bigbuf, *sbuf = *smallbuf; if (bbuf == NULL) { bbuf = (char *)cifs_buf_get(); if (!bbuf) { cERROR(1, "No memory for large SMB response"); msleep(3000); /* retry will check if exiting */ return false; } } else if (is_large_buf) { /* we are reusing a dirty large buf, clear its start */ memset(bbuf, 0, size); } if (sbuf == NULL) { sbuf = (char *)cifs_small_buf_get(); if (!sbuf) { cERROR(1, "No memory for SMB response"); msleep(1000); /* retry will check if exiting */ return false; } /* beginning of smb buffer is cleared in our buf_get */ } else { /* if existing small buf clear beginning */ memset(sbuf, 0, size); } *bigbuf = bbuf; *smallbuf = sbuf; return true; } |
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static int |
e7015fb1c CIFS: Simplify so... |
348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 |
read_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg, struct kvec *iov, unsigned int to_read, unsigned int *ptotal_read, bool is_header_read) { int length, rc = 0; unsigned int total_read; char *buf = iov->iov_base; for (total_read = 0; total_read < to_read; total_read += length) { length = kernel_recvmsg(server->ssocket, smb_msg, iov, 1, to_read - total_read, 0); if (server->tcpStatus == CifsExiting) { /* then will exit */ rc = 2; break; } else if (server->tcpStatus == CifsNeedReconnect) { cifs_reconnect(server); /* Reconnect wakes up rspns q */ /* Now we will reread sock */ rc = 1; break; } else if (length == -ERESTARTSYS || length == -EAGAIN || length == -EINTR) { /* * Minimum sleep to prevent looping, allowing socket * to clear and app threads to set tcpStatus * CifsNeedReconnect if server hung. */ usleep_range(1000, 2000); length = 0; if (!is_header_read) continue; /* Special handling for header read */ if (total_read) { iov->iov_base = (to_read - total_read) + buf; iov->iov_len = to_read - total_read; smb_msg->msg_control = NULL; smb_msg->msg_controllen = 0; rc = 3; } else rc = 1; break; } else if (length <= 0) { cERROR(1, "Received no data, expecting %d", to_read - total_read); cifs_reconnect(server); rc = 1; break; } } *ptotal_read = total_read; return rc; } |
98bac62c9 CIFS: Move RFC100... |
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 |
static bool check_rfc1002_header(struct TCP_Server_Info *server, char *buf) { char temp = *buf; unsigned int pdu_length = be32_to_cpu( ((struct smb_hdr *)buf)->smb_buf_length); /* * The first byte big endian of the length field, * is actually not part of the length but the type * with the most common, zero, as regular data. */ if (temp == (char) RFC1002_SESSION_KEEP_ALIVE) { return false; } else if (temp == (char)RFC1002_POSITIVE_SESSION_RESPONSE) { cFYI(1, "Good RFC 1002 session rsp"); return false; } else if (temp == (char)RFC1002_NEGATIVE_SESSION_RESPONSE) { /* * We get this from Windows 98 instead of an error on * SMB negprot response. */ cFYI(1, "Negative RFC1002 Session Response Error 0x%x)", pdu_length); /* give server a second to clean up */ msleep(1000); /* * Always try 445 first on reconnect since we get NACK * on some if we ever connected to port 139 (the NACK * is since we do not begin with RFC1001 session * initialize frame). */ cifs_set_port((struct sockaddr *) &server->dstaddr, CIFS_PORT); cifs_reconnect(server); wake_up(&server->response_q); return false; } else if (temp != (char) 0) { cERROR(1, "Unknown RFC 1002 frame"); cifs_dump_mem(" Received Data: ", buf, 4); cifs_reconnect(server); return false; } /* else we have an SMB response */ if ((pdu_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) || (pdu_length < sizeof(struct smb_hdr) - 1 - 4)) { cERROR(1, "Invalid size SMB length %d pdu_length %d", 4, pdu_length+4); cifs_reconnect(server); wake_up(&server->response_q); return false; } return true; } |
ad69bae17 CIFS: Move mid se... |
460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 |
static struct mid_q_entry * find_cifs_mid(struct TCP_Server_Info *server, struct smb_hdr *buf, int *length, bool is_large_buf, bool *is_multi_rsp, char **bigbuf) { struct mid_q_entry *mid = NULL, *tmp_mid, *ret = NULL; spin_lock(&GlobalMid_Lock); list_for_each_entry_safe(mid, tmp_mid, &server->pending_mid_q, qhead) { if (mid->mid != buf->Mid || mid->midState != MID_REQUEST_SUBMITTED || mid->command != buf->Command) continue; if (*length == 0 && check2ndT2(buf, server->maxBuf) > 0) { /* We have a multipart transact2 resp */ *is_multi_rsp = true; if (mid->resp_buf) { /* merge response - fix up 1st*/ *length = coalesce_t2(buf, mid->resp_buf); if (*length > 0) { *length = 0; mid->multiRsp = true; break; } /* All parts received or packet is malformed. */ mid->multiEnd = true; goto multi_t2_fnd; } if (!is_large_buf) { /*FIXME: switch to already allocated largebuf?*/ cERROR(1, "1st trans2 resp needs bigbuf"); } else { /* Have first buffer */ mid->resp_buf = buf; mid->largeBuf = true; *bigbuf = NULL; } break; } mid->resp_buf = buf; mid->largeBuf = is_large_buf; multi_t2_fnd: if (*length == 0) mid->midState = MID_RESPONSE_RECEIVED; else mid->midState = MID_RESPONSE_MALFORMED; #ifdef CONFIG_CIFS_STATS2 mid->when_received = jiffies; #endif list_del_init(&mid->qhead); ret = mid; break; } spin_unlock(&GlobalMid_Lock); return ret; } |
762dfd105 CIFS: Cleanup dem... |
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 |
static void clean_demultiplex_info(struct TCP_Server_Info *server) { int length; /* take it off the list, if it's not already */ spin_lock(&cifs_tcp_ses_lock); list_del_init(&server->tcp_ses_list); spin_unlock(&cifs_tcp_ses_lock); spin_lock(&GlobalMid_Lock); server->tcpStatus = CifsExiting; spin_unlock(&GlobalMid_Lock); wake_up_all(&server->response_q); /* * Check if we have blocked requests that need to free. Note that * cifs_max_pending is normally 50, but can be set at module install * time to as little as two. */ spin_lock(&GlobalMid_Lock); if (atomic_read(&server->inFlight) >= cifs_max_pending) atomic_set(&server->inFlight, cifs_max_pending - 1); /* * We do not want to set the max_pending too low or we could end up * with the counter going negative. */ spin_unlock(&GlobalMid_Lock); /* * Although there should not be any requests blocked on this queue it * can not hurt to be paranoid and try to wake up requests that may * haven been blocked when more than 50 at time were on the wire to the * same server - they now will see the session is in exit state and get * out of SendReceive. */ wake_up_all(&server->request_q); /* give those requests time to exit */ msleep(125); if (server->ssocket) { sock_release(server->ssocket); server->ssocket = NULL; } if (!list_empty(&server->pending_mid_q)) { struct list_head dispose_list; struct mid_q_entry *mid_entry; struct list_head *tmp, *tmp2; INIT_LIST_HEAD(&dispose_list); spin_lock(&GlobalMid_Lock); list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { mid_entry = list_entry(tmp, struct mid_q_entry, qhead); cFYI(1, "Clearing mid 0x%x", mid_entry->mid); mid_entry->midState = MID_SHUTDOWN; list_move(&mid_entry->qhead, &dispose_list); } spin_unlock(&GlobalMid_Lock); /* now walk dispose list and issue callbacks */ list_for_each_safe(tmp, tmp2, &dispose_list) { mid_entry = list_entry(tmp, struct mid_q_entry, qhead); cFYI(1, "Callback mid 0x%x", mid_entry->mid); list_del_init(&mid_entry->qhead); mid_entry->callback(mid_entry); } /* 1/8th of sec is more than enough time for them to exit */ msleep(125); } if (!list_empty(&server->pending_mid_q)) { /* * mpx threads have not exited yet give them at least the smb * send timeout time for long ops. * * Due to delays on oplock break requests, we need to wait at * least 45 seconds before giving up on a request getting a * response and going ahead and killing cifsd. */ cFYI(1, "Wait for exit from demultiplex thread"); msleep(46000); /* * If threads still have not exited they are probably never * coming home not much else we can do but free the memory. */ } kfree(server->hostname); kfree(server); length = atomic_dec_return(&tcpSesAllocCount); if (length > 0) mempool_resize(cifs_req_poolp, length + cifs_min_rcv, GFP_KERNEL); } |
e7015fb1c CIFS: Simplify so... |
611 |
static int |
7c97c200e cifs: fix the typ... |
612 |
cifs_demultiplex_thread(void *p) |
1da177e4c Linux-2.6.12-rc2 |
613 614 |
{ int length; |
7c97c200e cifs: fix the typ... |
615 |
struct TCP_Server_Info *server = p; |
1da177e4c Linux-2.6.12-rc2 |
616 |
unsigned int pdu_length, total_read; |
3d9c2472a CIFS: Move buffer... |
617 |
char *buf = NULL, *bigbuf = NULL, *smallbuf = NULL; |
1da177e4c Linux-2.6.12-rc2 |
618 619 620 |
struct smb_hdr *smb_buffer = NULL; struct msghdr smb_msg; struct kvec iov; |
1da177e4c Linux-2.6.12-rc2 |
621 622 |
struct task_struct *task_to_wake = NULL; struct mid_q_entry *mid_entry; |
4b18f2a9c [CIFS] convert us... |
623 |
bool isLargeBuf = false; |
ad69bae17 CIFS: Move mid se... |
624 |
bool isMultiRsp = false; |
e7015fb1c CIFS: Simplify so... |
625 |
int rc; |
1da177e4c Linux-2.6.12-rc2 |
626 |
|
1da177e4c Linux-2.6.12-rc2 |
627 |
current->flags |= PF_MEMALLOC; |
b6b38f704 [CIFS] Neaten cER... |
628 |
cFYI(1, "Demultiplex PID: %d", task_pid_nr(current)); |
93d0ec851 remove locking ar... |
629 630 631 |
length = atomic_inc_return(&tcpSesAllocCount); if (length > 1) |
26f57364d [CIFS] formatting... |
632 633 |
mempool_resize(cifs_req_poolp, length + cifs_min_rcv, GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
634 |
|
831441862 Freezer: make ker... |
635 |
set_freezable(); |
469ee614a [CIFS] eliminate ... |
636 |
while (server->tcpStatus != CifsExiting) { |
ede1327ea [PATCH] cifs: Add... |
637 638 |
if (try_to_freeze()) continue; |
b8643e1b5 [PATCH] cifs: Do ... |
639 |
|
3d9c2472a CIFS: Move buffer... |
640 641 642 |
if (!allocate_buffers(&bigbuf, &smallbuf, sizeof(struct smb_hdr), isLargeBuf)) continue; |
b8643e1b5 [PATCH] cifs: Do ... |
643 |
|
4b18f2a9c [CIFS] convert us... |
644 645 |
isLargeBuf = false; isMultiRsp = false; |
3d9c2472a CIFS: Move buffer... |
646 647 648 |
smb_buffer = (struct smb_hdr *)smallbuf; buf = smallbuf; iov.iov_base = buf; |
1da177e4c Linux-2.6.12-rc2 |
649 650 651 |
iov.iov_len = 4; smb_msg.msg_control = NULL; smb_msg.msg_controllen = 0; |
f01d5e14e [CIFS] fix for in... |
652 |
pdu_length = 4; /* enough to get RFC1001 header */ |
fda359436 [CIFS] cifs: reco... |
653 |
|
f01d5e14e [CIFS] fix for in... |
654 |
incomplete_rcv: |
fd88ce931 [CIFS] cifs: clar... |
655 |
if (echo_retries > 0 && server->tcpStatus == CifsGood && |
fda359436 [CIFS] cifs: reco... |
656 657 658 659 660 661 |
time_after(jiffies, server->lstrp + (echo_retries * SMB_ECHO_INTERVAL))) { cERROR(1, "Server %s has not responded in %d seconds. " "Reconnecting...", server->hostname, (echo_retries * SMB_ECHO_INTERVAL / HZ)); cifs_reconnect(server); |
fda359436 [CIFS] cifs: reco... |
662 663 664 |
wake_up(&server->response_q); continue; } |
e7015fb1c CIFS: Simplify so... |
665 666 667 668 669 |
rc = read_from_socket(server, &smb_msg, &iov, pdu_length, &total_read, true /* header read */); if (rc == 3) goto incomplete_rcv; else if (rc == 2) |
1da177e4c Linux-2.6.12-rc2 |
670 |
break; |
e7015fb1c CIFS: Simplify so... |
671 |
else if (rc == 1) |
1da177e4c Linux-2.6.12-rc2 |
672 |
continue; |
1da177e4c Linux-2.6.12-rc2 |
673 |
|
98bac62c9 CIFS: Move RFC100... |
674 675 676 677 |
/* * The right amount was read from socket - 4 bytes, * so we can now interpret the length field. */ |
46810cbf3 [PATCH] cifs: Eas... |
678 |
|
98bac62c9 CIFS: Move RFC100... |
679 680 681 682 683 |
/* * Note that RFC 1001 length is big endian on the wire, * but we convert it here so it is always manipulated * as host byte order. */ |
be8e3b004 consistently use ... |
684 |
pdu_length = be32_to_cpu(smb_buffer->smb_buf_length); |
70ca734a1 [CIFS] Various mi... |
685 |
|
b6b38f704 [CIFS] Neaten cER... |
686 |
cFYI(1, "rfc1002 length 0x%x", pdu_length+4); |
98bac62c9 CIFS: Move RFC100... |
687 |
if (!check_rfc1002_header(server, buf)) |
fb8c4b14d [CIFS] whitespace... |
688 |
continue; |
e4eb295d3 [PATCH] cifs: Han... |
689 690 |
/* else length ok */ |
fb8c4b14d [CIFS] whitespace... |
691 |
if (pdu_length > MAX_CIFS_SMALL_BUFFER_SIZE - 4) { |
4b18f2a9c [CIFS] convert us... |
692 |
isLargeBuf = true; |
e4eb295d3 [PATCH] cifs: Han... |
693 |
memcpy(bigbuf, smallbuf, 4); |
3d9c2472a CIFS: Move buffer... |
694 695 |
smb_buffer = (struct smb_hdr *)bigbuf; buf = bigbuf; |
e4eb295d3 [PATCH] cifs: Han... |
696 |
} |
e7015fb1c CIFS: Simplify so... |
697 |
|
3d9c2472a CIFS: Move buffer... |
698 |
iov.iov_base = 4 + buf; |
e4eb295d3 [PATCH] cifs: Han... |
699 |
iov.iov_len = pdu_length; |
e7015fb1c CIFS: Simplify so... |
700 701 702 |
rc = read_from_socket(server, &smb_msg, &iov, pdu_length, &total_read, false); if (rc == 2) |
e4eb295d3 [PATCH] cifs: Han... |
703 |
break; |
e7015fb1c CIFS: Simplify so... |
704 |
else if (rc == 1) |
e4eb295d3 [PATCH] cifs: Han... |
705 |
continue; |
1da177e4c Linux-2.6.12-rc2 |
706 |
|
9587fcff4 cifs: fix length ... |
707 |
total_read += 4; /* account for rfc1002 hdr */ |
50c2f7538 [CIFS] whitespace... |
708 |
|
9587fcff4 cifs: fix length ... |
709 |
dump_smb(smb_buffer, total_read); |
71823baff cifs: don't alway... |
710 711 712 713 714 715 716 717 718 719 720 721 |
/* * We know that we received enough to get to the MID as we * checked the pdu_length earlier. Now check to see * if the rest of the header is OK. We borrow the length * var for the rest of the loop to avoid a new stack var. * * 48 bytes is enough to display the header and a little bit * into the payload for debugging purposes. */ length = checkSMB(smb_buffer, smb_buffer->Mid, total_read); if (length != 0) |
3d9c2472a CIFS: Move buffer... |
722 723 |
cifs_dump_mem("Bad SMB: ", buf, min_t(unsigned int, total_read, 48)); |
1da177e4c Linux-2.6.12-rc2 |
724 |
|
fda359436 [CIFS] cifs: reco... |
725 |
server->lstrp = jiffies; |
ad69bae17 CIFS: Move mid se... |
726 727 |
mid_entry = find_cifs_mid(server, smb_buffer, &length, isLargeBuf, &isMultiRsp, &bigbuf); |
2b84a36c5 cifs: allow for d... |
728 |
if (mid_entry != NULL) { |
3c1105df6 cifs: don't call ... |
729 |
mid_entry->callback(mid_entry); |
cd63499cb [PATCH] cifs: Han... |
730 |
/* Was previous buf put in mpx struct for multi-rsp? */ |
fb8c4b14d [CIFS] whitespace... |
731 |
if (!isMultiRsp) { |
cd63499cb [PATCH] cifs: Han... |
732 |
/* smb buffer will be freed by user thread */ |
26f57364d [CIFS] formatting... |
733 |
if (isLargeBuf) |
cd63499cb [PATCH] cifs: Han... |
734 |
bigbuf = NULL; |
26f57364d [CIFS] formatting... |
735 |
else |
cd63499cb [PATCH] cifs: Han... |
736 737 |
smallbuf = NULL; } |
71823baff cifs: don't alway... |
738 739 740 |
} else if (length != 0) { /* response sanity checks failed */ continue; |
4b18f2a9c [CIFS] convert us... |
741 742 |
} else if (!is_valid_oplock_break(smb_buffer, server) && !isMultiRsp) { |
b6b38f704 [CIFS] Neaten cER... |
743 |
cERROR(1, "No task to wake, unknown frame received! " |
8097531a5 cifs: clean up ac... |
744 |
"NumMids %d", atomic_read(&midCount)); |
3d9c2472a CIFS: Move buffer... |
745 |
cifs_dump_mem("Received Data is: ", buf, |
70ca734a1 [CIFS] Various mi... |
746 |
sizeof(struct smb_hdr)); |
3979877e5 [CIFS] Support fo... |
747 748 749 750 |
#ifdef CONFIG_CIFS_DEBUG2 cifs_dump_detail(smb_buffer); cifs_dump_mids(server); #endif /* CIFS_DEBUG2 */ |
50c2f7538 [CIFS] whitespace... |
751 |
|
e4eb295d3 [PATCH] cifs: Han... |
752 753 |
} } /* end while !EXITING */ |
fd62cb7e7 fs:cifs:connect.c... |
754 |
/* buffer usually freed in free_mid - need to free it here on exit */ |
a8a11d399 [CIFS] remove som... |
755 756 |
cifs_buf_release(bigbuf); if (smallbuf) /* no sense logging a debug message if NULL */ |
b8643e1b5 [PATCH] cifs: Do ... |
757 |
cifs_small_buf_release(smallbuf); |
1da177e4c Linux-2.6.12-rc2 |
758 |
|
b1c8d2b42 cifs: handle the ... |
759 |
task_to_wake = xchg(&server->tsk, NULL); |
762dfd105 CIFS: Cleanup dem... |
760 |
clean_demultiplex_info(server); |
50c2f7538 [CIFS] whitespace... |
761 |
|
b1c8d2b42 cifs: handle the ... |
762 763 764 765 766 767 768 769 770 |
/* if server->tsk was NULL then wait for a signal before exiting */ if (!task_to_wake) { set_current_state(TASK_INTERRUPTIBLE); while (!signal_pending(current)) { schedule(); set_current_state(TASK_INTERRUPTIBLE); } set_current_state(TASK_RUNNING); } |
0468a2cf9 cifs: take module... |
771 |
module_put_and_exit(0); |
1da177e4c Linux-2.6.12-rc2 |
772 |
} |
c359cf3c6 [CIFS] add hostna... |
773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 |
/* extract the host portion of the UNC string */ static char * extract_hostname(const char *unc) { const char *src; char *dst, *delim; unsigned int len; /* skip double chars at beginning of string */ /* BB: check validity of these bytes? */ src = unc + 2; /* delimiter between hostname and sharename is always '\\' now */ delim = strchr(src, '\\'); if (!delim) return ERR_PTR(-EINVAL); len = delim - src; dst = kmalloc((len + 1), GFP_KERNEL); if (dst == NULL) return ERR_PTR(-ENOMEM); memcpy(dst, src, len); dst[len] = '\0'; return dst; } |
1da177e4c Linux-2.6.12-rc2 |
800 |
static int |
b946845a9 cifs: cifs_parse_... |
801 |
cifs_parse_mount_options(const char *mountdata, const char *devname, |
50c2f7538 [CIFS] whitespace... |
802 |
struct smb_vol *vol) |
1da177e4c Linux-2.6.12-rc2 |
803 |
{ |
4906e50b3 CIFS: Fix memory ... |
804 |
char *value, *data, *end; |
957df4535 possible memory c... |
805 |
char *mountdata_copy = NULL, *options; |
1da177e4c Linux-2.6.12-rc2 |
806 807 |
unsigned int temp_len, i, j; char separator[2]; |
9b9d6b243 cifs: reinstate o... |
808 809 810 811 |
short int override_uid = -1; short int override_gid = -1; bool uid_specified = false; bool gid_specified = false; |
884639996 cifs: remove Loca... |
812 |
char *nodename = utsname()->nodename; |
1da177e4c Linux-2.6.12-rc2 |
813 814 |
separator[0] = ','; |
50c2f7538 [CIFS] whitespace... |
815 |
separator[1] = 0; |
1da177e4c Linux-2.6.12-rc2 |
816 |
|
884639996 cifs: remove Loca... |
817 818 819 820 821 |
/* * does not have to be perfect mapping since field is * informational, only used for servers that do not support * port 445 and it can be overridden at mount time */ |
1397f2ee4 cifs: replace som... |
822 823 |
memset(vol->source_rfc1001_name, 0x20, RFC1001_NAME_LEN); for (i = 0; i < strnlen(nodename, RFC1001_NAME_LEN); i++) |
884639996 cifs: remove Loca... |
824 |
vol->source_rfc1001_name[i] = toupper(nodename[i]); |
1397f2ee4 cifs: replace som... |
825 |
vol->source_rfc1001_name[RFC1001_NAME_LEN] = 0; |
a10faeb2a [CIFS] Support fo... |
826 827 828 |
/* null target name indicates to use *SMBSERVR default called name if we end up sending RFC1001 session initialize */ vol->target_rfc1001_name[0] = 0; |
3e4b3e1f6 cifs: add separat... |
829 830 |
vol->cred_uid = current_uid(); vol->linux_uid = current_uid(); |
a001e5b55 CRED: Wrap task c... |
831 |
vol->linux_gid = current_gid(); |
f55ed1a83 cifs: tighten up ... |
832 833 834 |
/* default to only allowing write access to owner of the mount */ vol->dir_mode = vol->file_mode = S_IRUGO | S_IXUGO | S_IWUSR; |
1da177e4c Linux-2.6.12-rc2 |
835 836 |
/* vol->retry default is 0 (i.e. "soft" limited retry not hard retry) */ |
ac67055ef [CIFS] POSIX exte... |
837 838 |
/* default is always to request posix paths. */ vol->posix_paths = 1; |
a0c9217f6 cifs: make server... |
839 840 |
/* default to using server inode numbers where available */ vol->server_ino = 1; |
ac67055ef [CIFS] POSIX exte... |
841 |
|
6d20e8406 cifs: add attribu... |
842 |
vol->actimeo = CIFS_DEF_ACTIMEO; |
b946845a9 cifs: cifs_parse_... |
843 844 845 846 847 848 |
if (!mountdata) goto cifs_parse_mount_err; mountdata_copy = kstrndup(mountdata, PAGE_SIZE, GFP_KERNEL); if (!mountdata_copy) goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
849 |
|
b946845a9 cifs: cifs_parse_... |
850 |
options = mountdata_copy; |
4906e50b3 CIFS: Fix memory ... |
851 |
end = options + strlen(options); |
50c2f7538 [CIFS] whitespace... |
852 |
if (strncmp(options, "sep=", 4) == 0) { |
fb8c4b14d [CIFS] whitespace... |
853 |
if (options[4] != 0) { |
1da177e4c Linux-2.6.12-rc2 |
854 855 856 |
separator[0] = options[4]; options += 5; } else { |
b6b38f704 [CIFS] Neaten cER... |
857 |
cFYI(1, "Null separator not allowed"); |
1da177e4c Linux-2.6.12-rc2 |
858 859 |
} } |
50c2f7538 [CIFS] whitespace... |
860 |
|
1da177e4c Linux-2.6.12-rc2 |
861 862 863 864 865 |
while ((data = strsep(&options, separator)) != NULL) { if (!*data) continue; if ((value = strchr(data, '=')) != NULL) *value++ = '\0'; |
50c2f7538 [CIFS] whitespace... |
866 867 |
/* Have to parse this before we parse for "user" */ if (strnicmp(data, "user_xattr", 10) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
868 |
vol->no_xattr = 0; |
50c2f7538 [CIFS] whitespace... |
869 |
} else if (strnicmp(data, "nouser_xattr", 12) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
870 871 |
vol->no_xattr = 1; } else if (strnicmp(data, "user", 4) == 0) { |
4b952a9b0 [CIFS] Allow null... |
872 |
if (!value) { |
1da177e4c Linux-2.6.12-rc2 |
873 874 875 |
printk(KERN_WARNING "CIFS: invalid or missing username "); |
b946845a9 cifs: cifs_parse_... |
876 |
goto cifs_parse_mount_err; |
fb8c4b14d [CIFS] whitespace... |
877 |
} else if (!*value) { |
4b952a9b0 [CIFS] Allow null... |
878 879 |
/* null user, ie anonymous, authentication */ vol->nullauth = 1; |
1da177e4c Linux-2.6.12-rc2 |
880 |
} |
8727c8a85 Allow user names ... |
881 882 |
if (strnlen(value, MAX_USERNAME_SIZE) < MAX_USERNAME_SIZE) { |
b946845a9 cifs: cifs_parse_... |
883 884 885 886 887 888 889 |
vol->username = kstrdup(value, GFP_KERNEL); if (!vol->username) { printk(KERN_WARNING "CIFS: no memory " "for username "); goto cifs_parse_mount_err; } |
1da177e4c Linux-2.6.12-rc2 |
890 891 892 |
} else { printk(KERN_WARNING "CIFS: username too long "); |
b946845a9 cifs: cifs_parse_... |
893 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
894 895 896 897 898 |
} } else if (strnicmp(data, "pass", 4) == 0) { if (!value) { vol->password = NULL; continue; |
fb8c4b14d [CIFS] whitespace... |
899 |
} else if (value[0] == 0) { |
1da177e4c Linux-2.6.12-rc2 |
900 901 902 903 |
/* check if string begins with double comma since that would mean the password really does start with a comma, and would not indicate an empty string */ |
fb8c4b14d [CIFS] whitespace... |
904 |
if (value[1] != separator[0]) { |
1da177e4c Linux-2.6.12-rc2 |
905 906 907 908 909 910 911 |
vol->password = NULL; continue; } } temp_len = strlen(value); /* removed password length check, NTLM passwords can be arbitrarily long */ |
50c2f7538 [CIFS] whitespace... |
912 |
/* if comma in password, the string will be |
1da177e4c Linux-2.6.12-rc2 |
913 914 915 916 917 918 919 920 |
prematurely null terminated. Commas in password are specified across the cifs mount interface by a double comma ie ,, and a comma used as in other cases ie ',' as a parameter delimiter/separator is single and due to the strsep above is temporarily zeroed. */ /* NB: password legally can have multiple commas and the only illegal character in a password is null */ |
50c2f7538 [CIFS] whitespace... |
921 |
if ((value[temp_len] == 0) && |
4906e50b3 CIFS: Fix memory ... |
922 |
(value + temp_len < end) && |
09d1db5c6 [PATCH] cifs: imp... |
923 |
(value[temp_len+1] == separator[0])) { |
1da177e4c Linux-2.6.12-rc2 |
924 925 |
/* reinsert comma */ value[temp_len] = separator[0]; |
50c2f7538 [CIFS] whitespace... |
926 927 |
temp_len += 2; /* move after second comma */ while (value[temp_len] != 0) { |
1da177e4c Linux-2.6.12-rc2 |
928 |
if (value[temp_len] == separator[0]) { |
50c2f7538 [CIFS] whitespace... |
929 |
if (value[temp_len+1] == |
09d1db5c6 [PATCH] cifs: imp... |
930 931 932 |
separator[0]) { /* skip second comma */ temp_len++; |
50c2f7538 [CIFS] whitespace... |
933 |
} else { |
1da177e4c Linux-2.6.12-rc2 |
934 935 936 937 938 939 940 |
/* single comma indicating start of next parm */ break; } } temp_len++; } |
fb8c4b14d [CIFS] whitespace... |
941 |
if (value[temp_len] == 0) { |
1da177e4c Linux-2.6.12-rc2 |
942 943 944 945 946 947 |
options = NULL; } else { value[temp_len] = 0; /* point option to start of next parm */ options = value + temp_len + 1; } |
50c2f7538 [CIFS] whitespace... |
948 |
/* go from value to value + temp_len condensing |
1da177e4c Linux-2.6.12-rc2 |
949 950 |
double commas to singles. Note that this ends up allocating a few bytes too many, which is ok */ |
e915fc497 [PATCH] fs: conve... |
951 |
vol->password = kzalloc(temp_len, GFP_KERNEL); |
fb8c4b14d [CIFS] whitespace... |
952 |
if (vol->password == NULL) { |
50c2f7538 [CIFS] whitespace... |
953 954 955 |
printk(KERN_WARNING "CIFS: no memory " "for password "); |
b946845a9 cifs: cifs_parse_... |
956 |
goto cifs_parse_mount_err; |
433dc24f2 [PATCH] cifs: rem... |
957 |
} |
50c2f7538 [CIFS] whitespace... |
958 |
for (i = 0, j = 0; i < temp_len; i++, j++) { |
1da177e4c Linux-2.6.12-rc2 |
959 |
vol->password[j] = value[i]; |
fb8c4b14d [CIFS] whitespace... |
960 |
if (value[i] == separator[0] |
09d1db5c6 [PATCH] cifs: imp... |
961 |
&& value[i+1] == separator[0]) { |
1da177e4c Linux-2.6.12-rc2 |
962 963 964 965 966 967 |
/* skip second comma */ i++; } } vol->password[j] = 0; } else { |
e915fc497 [PATCH] fs: conve... |
968 |
vol->password = kzalloc(temp_len+1, GFP_KERNEL); |
fb8c4b14d [CIFS] whitespace... |
969 |
if (vol->password == NULL) { |
50c2f7538 [CIFS] whitespace... |
970 971 972 |
printk(KERN_WARNING "CIFS: no memory " "for password "); |
b946845a9 cifs: cifs_parse_... |
973 |
goto cifs_parse_mount_err; |
433dc24f2 [PATCH] cifs: rem... |
974 |
} |
1da177e4c Linux-2.6.12-rc2 |
975 976 |
strcpy(vol->password, value); } |
58f7f68f2 cifs: add addr= m... |
977 978 |
} else if (!strnicmp(data, "ip", 2) || !strnicmp(data, "addr", 4)) { |
1da177e4c Linux-2.6.12-rc2 |
979 980 |
if (!value || !*value) { vol->UNCip = NULL; |
50b64e3b7 cifs: fix IPv6 ad... |
981 982 |
} else if (strnlen(value, INET6_ADDRSTRLEN) < INET6_ADDRSTRLEN) { |
b946845a9 cifs: cifs_parse_... |
983 984 985 986 987 988 989 |
vol->UNCip = kstrdup(value, GFP_KERNEL); if (!vol->UNCip) { printk(KERN_WARNING "CIFS: no memory " "for UNC IP "); goto cifs_parse_mount_err; } |
1da177e4c Linux-2.6.12-rc2 |
990 |
} else { |
50c2f7538 [CIFS] whitespace... |
991 992 993 |
printk(KERN_WARNING "CIFS: ip address " "too long "); |
b946845a9 cifs: cifs_parse_... |
994 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
995 |
} |
50c2f7538 [CIFS] whitespace... |
996 997 |
} else if (strnicmp(data, "sec", 3) == 0) { if (!value || !*value) { |
b6b38f704 [CIFS] Neaten cER... |
998 |
cERROR(1, "no security value specified"); |
50c2f7538 [CIFS] whitespace... |
999 1000 1001 |
continue; } else if (strnicmp(value, "krb5i", 5) == 0) { vol->secFlg |= CIFSSEC_MAY_KRB5 | |
189acaaef [CIFS] Enable sec... |
1002 |
CIFSSEC_MUST_SIGN; |
bf8206791 [CIFS] Kerberos a... |
1003 |
} else if (strnicmp(value, "krb5p", 5) == 0) { |
50c2f7538 [CIFS] whitespace... |
1004 1005 |
/* vol->secFlg |= CIFSSEC_MUST_SEAL | CIFSSEC_MAY_KRB5; */ |
b6b38f704 [CIFS] Neaten cER... |
1006 |
cERROR(1, "Krb5 cifs privacy not supported"); |
b946845a9 cifs: cifs_parse_... |
1007 |
goto cifs_parse_mount_err; |
bf8206791 [CIFS] Kerberos a... |
1008 |
} else if (strnicmp(value, "krb5", 4) == 0) { |
750d1151a [CIFS] Fix alloca... |
1009 |
vol->secFlg |= CIFSSEC_MAY_KRB5; |
ac6839246 [CIFS] Allow raw ... |
1010 1011 1012 1013 1014 |
} else if (strnicmp(value, "ntlmsspi", 8) == 0) { vol->secFlg |= CIFSSEC_MAY_NTLMSSP | CIFSSEC_MUST_SIGN; } else if (strnicmp(value, "ntlmssp", 7) == 0) { vol->secFlg |= CIFSSEC_MAY_NTLMSSP; |
bf8206791 [CIFS] Kerberos a... |
1015 |
} else if (strnicmp(value, "ntlmv2i", 7) == 0) { |
750d1151a [CIFS] Fix alloca... |
1016 |
vol->secFlg |= CIFSSEC_MAY_NTLMV2 | |
189acaaef [CIFS] Enable sec... |
1017 |
CIFSSEC_MUST_SIGN; |
bf8206791 [CIFS] Kerberos a... |
1018 |
} else if (strnicmp(value, "ntlmv2", 6) == 0) { |
750d1151a [CIFS] Fix alloca... |
1019 |
vol->secFlg |= CIFSSEC_MAY_NTLMV2; |
bf8206791 [CIFS] Kerberos a... |
1020 |
} else if (strnicmp(value, "ntlmi", 5) == 0) { |
750d1151a [CIFS] Fix alloca... |
1021 |
vol->secFlg |= CIFSSEC_MAY_NTLM | |
189acaaef [CIFS] Enable sec... |
1022 |
CIFSSEC_MUST_SIGN; |
bf8206791 [CIFS] Kerberos a... |
1023 1024 |
} else if (strnicmp(value, "ntlm", 4) == 0) { /* ntlm is default so can be turned off too */ |
750d1151a [CIFS] Fix alloca... |
1025 |
vol->secFlg |= CIFSSEC_MAY_NTLM; |
bf8206791 [CIFS] Kerberos a... |
1026 |
} else if (strnicmp(value, "nontlm", 6) == 0) { |
189acaaef [CIFS] Enable sec... |
1027 |
/* BB is there a better way to do this? */ |
750d1151a [CIFS] Fix alloca... |
1028 |
vol->secFlg |= CIFSSEC_MAY_NTLMV2; |
189acaaef [CIFS] Enable sec... |
1029 1030 |
#ifdef CONFIG_CIFS_WEAK_PW_HASH } else if (strnicmp(value, "lanman", 6) == 0) { |
50c2f7538 [CIFS] whitespace... |
1031 |
vol->secFlg |= CIFSSEC_MAY_LANMAN; |
189acaaef [CIFS] Enable sec... |
1032 |
#endif |
bf8206791 [CIFS] Kerberos a... |
1033 |
} else if (strnicmp(value, "none", 4) == 0) { |
189acaaef [CIFS] Enable sec... |
1034 |
vol->nullauth = 1; |
50c2f7538 [CIFS] whitespace... |
1035 |
} else { |
b6b38f704 [CIFS] Neaten cER... |
1036 |
cERROR(1, "bad security option: %s", value); |
b946845a9 cifs: cifs_parse_... |
1037 |
goto cifs_parse_mount_err; |
50c2f7538 [CIFS] whitespace... |
1038 |
} |
1cb06d0b5 Introduce smb2 mo... |
1039 1040 1041 1042 1043 1044 1045 1046 |
} else if (strnicmp(data, "vers", 3) == 0) { if (!value || !*value) { cERROR(1, "no protocol version specified" " after vers= mount option"); } else if ((strnicmp(value, "cifs", 4) == 0) || (strnicmp(value, "1", 1) == 0)) { /* this is the default */ continue; |
1cb06d0b5 Introduce smb2 mo... |
1047 |
} |
1da177e4c Linux-2.6.12-rc2 |
1048 1049 1050 1051 |
} else if ((strnicmp(data, "unc", 3) == 0) || (strnicmp(data, "target", 6) == 0) || (strnicmp(data, "path", 4) == 0)) { if (!value || !*value) { |
50c2f7538 [CIFS] whitespace... |
1052 1053 1054 |
printk(KERN_WARNING "CIFS: invalid path to " "network resource "); |
b946845a9 cifs: cifs_parse_... |
1055 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1056 1057 |
} if ((temp_len = strnlen(value, 300)) < 300) { |
50c2f7538 [CIFS] whitespace... |
1058 |
vol->UNC = kmalloc(temp_len+1, GFP_KERNEL); |
4523cc304 [CIFS] UID/GID ov... |
1059 |
if (vol->UNC == NULL) |
b946845a9 cifs: cifs_parse_... |
1060 |
goto cifs_parse_mount_err; |
50c2f7538 [CIFS] whitespace... |
1061 |
strcpy(vol->UNC, value); |
1da177e4c Linux-2.6.12-rc2 |
1062 1063 1064 |
if (strncmp(vol->UNC, "//", 2) == 0) { vol->UNC[0] = '\\'; vol->UNC[1] = '\\'; |
50c2f7538 [CIFS] whitespace... |
1065 |
} else if (strncmp(vol->UNC, "\\\\", 2) != 0) { |
1da177e4c Linux-2.6.12-rc2 |
1066 |
printk(KERN_WARNING |
50c2f7538 [CIFS] whitespace... |
1067 1068 1069 |
"CIFS: UNC Path does not begin " "with // or \\\\ "); |
b946845a9 cifs: cifs_parse_... |
1070 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1071 1072 1073 1074 |
} } else { printk(KERN_WARNING "CIFS: UNC name too long "); |
b946845a9 cifs: cifs_parse_... |
1075 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1076 1077 1078 1079 1080 1081 |
} } else if ((strnicmp(data, "domain", 3) == 0) || (strnicmp(data, "workgroup", 5) == 0)) { if (!value || !*value) { printk(KERN_WARNING "CIFS: invalid domain name "); |
b946845a9 cifs: cifs_parse_... |
1082 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1083 1084 1085 |
} /* BB are there cases in which a comma can be valid in a domain name and need special handling? */ |
3979877e5 [CIFS] Support fo... |
1086 |
if (strnlen(value, 256) < 256) { |
b946845a9 cifs: cifs_parse_... |
1087 1088 1089 1090 1091 1092 1093 |
vol->domainname = kstrdup(value, GFP_KERNEL); if (!vol->domainname) { printk(KERN_WARNING "CIFS: no memory " "for domainname "); goto cifs_parse_mount_err; } |
b6b38f704 [CIFS] Neaten cER... |
1094 |
cFYI(1, "Domain name set"); |
1da177e4c Linux-2.6.12-rc2 |
1095 |
} else { |
50c2f7538 [CIFS] whitespace... |
1096 1097 1098 |
printk(KERN_WARNING "CIFS: domain name too " "long "); |
b946845a9 cifs: cifs_parse_... |
1099 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1100 |
} |
3eb9a8893 cifs: Allow bindi... |
1101 1102 1103 1104 1105 1106 1107 |
} else if (strnicmp(data, "srcaddr", 7) == 0) { vol->srcaddr.ss_family = AF_UNSPEC; if (!value || !*value) { printk(KERN_WARNING "CIFS: srcaddr value" " not specified. "); |
b946845a9 cifs: cifs_parse_... |
1108 |
goto cifs_parse_mount_err; |
3eb9a8893 cifs: Allow bindi... |
1109 1110 1111 |
} i = cifs_convert_address((struct sockaddr *)&vol->srcaddr, value, strlen(value)); |
b235f371a cifs: cifs_conver... |
1112 |
if (i == 0) { |
3eb9a8893 cifs: Allow bindi... |
1113 1114 1115 1116 |
printk(KERN_WARNING "CIFS: Could not parse" " srcaddr: %s ", value); |
b946845a9 cifs: cifs_parse_... |
1117 |
goto cifs_parse_mount_err; |
3eb9a8893 cifs: Allow bindi... |
1118 |
} |
50c2f7538 [CIFS] whitespace... |
1119 1120 1121 1122 1123 |
} else if (strnicmp(data, "prefixpath", 10) == 0) { if (!value || !*value) { printk(KERN_WARNING "CIFS: invalid path prefix "); |
b946845a9 cifs: cifs_parse_... |
1124 |
goto cifs_parse_mount_err; |
50c2f7538 [CIFS] whitespace... |
1125 1126 |
} if ((temp_len = strnlen(value, 1024)) < 1024) { |
4523cc304 [CIFS] UID/GID ov... |
1127 |
if (value[0] != '/') |
2fe87f02a [CIFS] Support de... |
1128 |
temp_len++; /* missing leading slash */ |
50c2f7538 [CIFS] whitespace... |
1129 1130 |
vol->prepath = kmalloc(temp_len+1, GFP_KERNEL); if (vol->prepath == NULL) |
b946845a9 cifs: cifs_parse_... |
1131 |
goto cifs_parse_mount_err; |
4523cc304 [CIFS] UID/GID ov... |
1132 |
if (value[0] != '/') { |
2fe87f02a [CIFS] Support de... |
1133 |
vol->prepath[0] = '/'; |
50c2f7538 [CIFS] whitespace... |
1134 |
strcpy(vol->prepath+1, value); |
2fe87f02a [CIFS] Support de... |
1135 |
} else |
50c2f7538 [CIFS] whitespace... |
1136 |
strcpy(vol->prepath, value); |
b6b38f704 [CIFS] Neaten cER... |
1137 |
cFYI(1, "prefix path %s", vol->prepath); |
50c2f7538 [CIFS] whitespace... |
1138 1139 1140 |
} else { printk(KERN_WARNING "CIFS: prefix too long "); |
b946845a9 cifs: cifs_parse_... |
1141 |
goto cifs_parse_mount_err; |
50c2f7538 [CIFS] whitespace... |
1142 |
} |
1da177e4c Linux-2.6.12-rc2 |
1143 1144 |
} else if (strnicmp(data, "iocharset", 9) == 0) { if (!value || !*value) { |
63135e088 [CIFS] More white... |
1145 1146 1147 |
printk(KERN_WARNING "CIFS: invalid iocharset " "specified "); |
b946845a9 cifs: cifs_parse_... |
1148 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1149 1150 |
} if (strnlen(value, 65) < 65) { |
b946845a9 cifs: cifs_parse_... |
1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 |
if (strnicmp(value, "default", 7)) { vol->iocharset = kstrdup(value, GFP_KERNEL); if (!vol->iocharset) { printk(KERN_WARNING "CIFS: no " "memory for" "charset "); goto cifs_parse_mount_err; } } |
50c2f7538 [CIFS] whitespace... |
1163 1164 |
/* if iocharset not set then load_nls_default is used by caller */ |
b6b38f704 [CIFS] Neaten cER... |
1165 |
cFYI(1, "iocharset set to %s", value); |
1da177e4c Linux-2.6.12-rc2 |
1166 |
} else { |
63135e088 [CIFS] More white... |
1167 1168 1169 |
printk(KERN_WARNING "CIFS: iocharset name " "too long. "); |
b946845a9 cifs: cifs_parse_... |
1170 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1171 |
} |
9b9d6b243 cifs: reinstate o... |
1172 1173 1174 |
} else if (!strnicmp(data, "uid", 3) && value && *value) { vol->linux_uid = simple_strtoul(value, &value, 0); uid_specified = true; |
bd7633195 cifs: add cruid= ... |
1175 1176 |
} else if (!strnicmp(data, "cruid", 5) && value && *value) { vol->cred_uid = simple_strtoul(value, &value, 0); |
9b9d6b243 cifs: reinstate o... |
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 |
} else if (!strnicmp(data, "forceuid", 8)) { override_uid = 1; } else if (!strnicmp(data, "noforceuid", 10)) { override_uid = 0; } else if (!strnicmp(data, "gid", 3) && value && *value) { vol->linux_gid = simple_strtoul(value, &value, 0); gid_specified = true; } else if (!strnicmp(data, "forcegid", 8)) { override_gid = 1; } else if (!strnicmp(data, "noforcegid", 10)) { override_gid = 0; |
1da177e4c Linux-2.6.12-rc2 |
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 |
} else if (strnicmp(data, "file_mode", 4) == 0) { if (value && *value) { vol->file_mode = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "dir_mode", 4) == 0) { if (value && *value) { vol->dir_mode = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "dirmode", 4) == 0) { if (value && *value) { vol->dir_mode = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "port", 4) == 0) { if (value && *value) { vol->port = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "rsize", 5) == 0) { if (value && *value) { vol->rsize = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "wsize", 5) == 0) { if (value && *value) { vol->wsize = simple_strtoul(value, &value, 0); } } else if (strnicmp(data, "sockopt", 5) == 0) { |
6a5fa2362 [CIFS] Add suppor... |
1219 |
if (!value || !*value) { |
b6b38f704 [CIFS] Neaten cER... |
1220 |
cERROR(1, "no socket option specified"); |
6a5fa2362 [CIFS] Add suppor... |
1221 1222 1223 |
continue; } else if (strnicmp(value, "TCP_NODELAY", 11) == 0) { vol->sockopt_tcp_nodelay = 1; |
1da177e4c Linux-2.6.12-rc2 |
1224 1225 1226 |
} } else if (strnicmp(data, "netbiosname", 4) == 0) { if (!value || !*value || (*value == ' ')) { |
b6b38f704 [CIFS] Neaten cER... |
1227 |
cFYI(1, "invalid (empty) netbiosname"); |
1da177e4c Linux-2.6.12-rc2 |
1228 |
} else { |
1397f2ee4 cifs: replace som... |
1229 1230 1231 1232 1233 1234 1235 1236 1237 |
memset(vol->source_rfc1001_name, 0x20, RFC1001_NAME_LEN); /* * FIXME: are there cases in which a comma can * be valid in workstation netbios name (and * need special handling)? */ for (i = 0; i < RFC1001_NAME_LEN; i++) { /* don't ucase netbiosname for user */ |
50c2f7538 [CIFS] whitespace... |
1238 |
if (value[i] == 0) |
1da177e4c Linux-2.6.12-rc2 |
1239 |
break; |
1397f2ee4 cifs: replace som... |
1240 |
vol->source_rfc1001_name[i] = value[i]; |
1da177e4c Linux-2.6.12-rc2 |
1241 1242 1243 |
} /* The string has 16th byte zero still from set at top of the function */ |
1397f2ee4 cifs: replace som... |
1244 |
if (i == RFC1001_NAME_LEN && value[i] != 0) |
50c2f7538 [CIFS] whitespace... |
1245 1246 1247 |
printk(KERN_WARNING "CIFS: netbiosname" " longer than 15 truncated. "); |
a10faeb2a [CIFS] Support fo... |
1248 1249 1250 1251 |
} } else if (strnicmp(data, "servern", 7) == 0) { /* servernetbiosname specified override *SMBSERVER */ if (!value || !*value || (*value == ' ')) { |
b6b38f704 [CIFS] Neaten cER... |
1252 |
cFYI(1, "empty server netbiosname specified"); |
a10faeb2a [CIFS] Support fo... |
1253 1254 |
} else { /* last byte, type, is 0x20 for servr type */ |
1397f2ee4 cifs: replace som... |
1255 1256 |
memset(vol->target_rfc1001_name, 0x20, RFC1001_NAME_LEN_WITH_NULL); |
a10faeb2a [CIFS] Support fo... |
1257 |
|
50c2f7538 [CIFS] whitespace... |
1258 |
for (i = 0; i < 15; i++) { |
a10faeb2a [CIFS] Support fo... |
1259 |
/* BB are there cases in which a comma can be |
50c2f7538 [CIFS] whitespace... |
1260 1261 |
valid in this workstation netbios name (and need special handling)? */ |
a10faeb2a [CIFS] Support fo... |
1262 |
|
50c2f7538 [CIFS] whitespace... |
1263 1264 1265 |
/* user or mount helper must uppercase the netbiosname */ if (value[i] == 0) |
a10faeb2a [CIFS] Support fo... |
1266 1267 |
break; else |
50c2f7538 [CIFS] whitespace... |
1268 1269 |
vol->target_rfc1001_name[i] = value[i]; |
a10faeb2a [CIFS] Support fo... |
1270 1271 1272 |
} /* The string has 16th byte zero still from set at top of the function */ |
1397f2ee4 cifs: replace som... |
1273 |
if (i == RFC1001_NAME_LEN && value[i] != 0) |
50c2f7538 [CIFS] whitespace... |
1274 1275 1276 |
printk(KERN_WARNING "CIFS: server net" "biosname longer than 15 truncated. "); |
1da177e4c Linux-2.6.12-rc2 |
1277 |
} |
6d20e8406 cifs: add attribu... |
1278 1279 1280 1281 1282 1283 1284 |
} else if (strnicmp(data, "actimeo", 7) == 0) { if (value && *value) { vol->actimeo = HZ * simple_strtoul(value, &value, 0); if (vol->actimeo > CIFS_MAX_ACTIMEO) { cERROR(1, "CIFS: attribute cache" "timeout too large"); |
b946845a9 cifs: cifs_parse_... |
1285 |
goto cifs_parse_mount_err; |
6d20e8406 cifs: add attribu... |
1286 1287 |
} } |
1da177e4c Linux-2.6.12-rc2 |
1288 1289 1290 1291 |
} else if (strnicmp(data, "credentials", 4) == 0) { /* ignore */ } else if (strnicmp(data, "version", 3) == 0) { /* ignore */ |
50c2f7538 [CIFS] whitespace... |
1292 |
} else if (strnicmp(data, "guest", 5) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1293 |
/* ignore */ |
c9c7fa006 Fix the conflict ... |
1294 |
} else if (strnicmp(data, "rw", 2) == 0 && strlen(data) == 2) { |
71a394faa [CIFS] remove unk... |
1295 1296 1297 |
/* ignore */ } else if (strnicmp(data, "ro", 2) == 0) { /* ignore */ |
edf1ae403 [CIFS] Reduce num... |
1298 1299 1300 1301 |
} else if (strnicmp(data, "noblocksend", 11) == 0) { vol->noblocksnd = 1; } else if (strnicmp(data, "noautotune", 10) == 0) { vol->noautotune = 1; |
1da177e4c Linux-2.6.12-rc2 |
1302 1303 1304 1305 1306 1307 1308 1309 |
} else if ((strnicmp(data, "suid", 4) == 0) || (strnicmp(data, "nosuid", 6) == 0) || (strnicmp(data, "exec", 4) == 0) || (strnicmp(data, "noexec", 6) == 0) || (strnicmp(data, "nodev", 5) == 0) || (strnicmp(data, "noauto", 6) == 0) || (strnicmp(data, "dev", 3) == 0)) { /* The mount tool or mount.cifs helper (if present) |
50c2f7538 [CIFS] whitespace... |
1310 1311 1312 1313 1314 |
uses these opts to set flags, and the flags are read by the kernel vfs layer before we get here (ie before read super) so there is no point trying to parse these options again and set anything and it is ok to just ignore them */ |
1da177e4c Linux-2.6.12-rc2 |
1315 |
continue; |
1da177e4c Linux-2.6.12-rc2 |
1316 1317 1318 1319 1320 1321 1322 1323 |
} else if (strnicmp(data, "hard", 4) == 0) { vol->retry = 1; } else if (strnicmp(data, "soft", 4) == 0) { vol->retry = 0; } else if (strnicmp(data, "perm", 4) == 0) { vol->noperm = 0; } else if (strnicmp(data, "noperm", 6) == 0) { vol->noperm = 1; |
6a0b48245 [PATCH] cifs: Add... |
1324 1325 1326 1327 |
} else if (strnicmp(data, "mapchars", 8) == 0) { vol->remap = 1; } else if (strnicmp(data, "nomapchars", 10) == 0) { vol->remap = 0; |
50c2f7538 [CIFS] whitespace... |
1328 1329 1330 1331 |
} else if (strnicmp(data, "sfu", 3) == 0) { vol->sfu_emul = 1; } else if (strnicmp(data, "nosfu", 5) == 0) { vol->sfu_emul = 0; |
2c1b86153 [CIFS] Add nodfs ... |
1332 1333 |
} else if (strnicmp(data, "nodfs", 5) == 0) { vol->nodfs = 1; |
ac67055ef [CIFS] POSIX exte... |
1334 1335 1336 1337 |
} else if (strnicmp(data, "posixpaths", 10) == 0) { vol->posix_paths = 1; } else if (strnicmp(data, "noposixpaths", 12) == 0) { vol->posix_paths = 0; |
c18c842b1 [CIFS] Allow disa... |
1338 1339 1340 1341 |
} else if (strnicmp(data, "nounix", 6) == 0) { vol->no_linux_ext = 1; } else if (strnicmp(data, "nolinux", 7) == 0) { vol->no_linux_ext = 1; |
50c2f7538 [CIFS] whitespace... |
1342 |
} else if ((strnicmp(data, "nocase", 6) == 0) || |
a10faeb2a [CIFS] Support fo... |
1343 |
(strnicmp(data, "ignorecase", 10) == 0)) { |
50c2f7538 [CIFS] whitespace... |
1344 |
vol->nocase = 1; |
f636a3480 cifs: ignore the ... |
1345 1346 1347 1348 1349 1350 |
} else if (strnicmp(data, "mand", 4) == 0) { /* ignore */ } else if (strnicmp(data, "nomand", 6) == 0) { /* ignore */ } else if (strnicmp(data, "_netdev", 7) == 0) { /* ignore */ |
c46fa8acd [CIFS] Add mount ... |
1351 1352 |
} else if (strnicmp(data, "brl", 3) == 0) { vol->nobrl = 0; |
50c2f7538 [CIFS] whitespace... |
1353 |
} else if ((strnicmp(data, "nobrl", 5) == 0) || |
1c9551878 [CIFS] Add suppor... |
1354 |
(strnicmp(data, "nolock", 6) == 0)) { |
c46fa8acd [CIFS] Add mount ... |
1355 |
vol->nobrl = 1; |
d3485d37c [CIFS] Finish cif... |
1356 1357 1358 |
/* turn off mandatory locking in mode if remote locking is turned off since the local vfs will do advisory */ |
50c2f7538 [CIFS] whitespace... |
1359 1360 |
if (vol->file_mode == (S_IALLUGO & ~(S_ISUID | S_IXGRP))) |
d3485d37c [CIFS] Finish cif... |
1361 |
vol->file_mode = S_IALLUGO; |
13a6e42af [CIFS] add mount ... |
1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 |
} else if (strnicmp(data, "forcemandatorylock", 9) == 0) { /* will take the shorter form "forcemand" as well */ /* This mount option will force use of mandatory (DOS/Windows style) byte range locks, instead of using posix advisory byte range locks, even if the Unix extensions are available and posix locks would be supported otherwise. If Unix extensions are not negotiated this has no effect since mandatory locks would be used (mandatory locks is all that those those servers support) */ vol->mand_lock = 1; |
1da177e4c Linux-2.6.12-rc2 |
1373 1374 1375 1376 |
} else if (strnicmp(data, "setuids", 7) == 0) { vol->setuids = 1; } else if (strnicmp(data, "nosetuids", 9) == 0) { vol->setuids = 0; |
d0a9c078d [CIFS] CIFS curre... |
1377 1378 1379 1380 |
} else if (strnicmp(data, "dynperm", 7) == 0) { vol->dynperm = true; } else if (strnicmp(data, "nodynperm", 9) == 0) { vol->dynperm = false; |
1da177e4c Linux-2.6.12-rc2 |
1381 1382 1383 1384 1385 1386 1387 1388 |
} else if (strnicmp(data, "nohard", 6) == 0) { vol->retry = 0; } else if (strnicmp(data, "nosoft", 6) == 0) { vol->retry = 1; } else if (strnicmp(data, "nointr", 6) == 0) { vol->intr = 0; } else if (strnicmp(data, "intr", 4) == 0) { vol->intr = 1; |
be652445f [CIFS] Add new no... |
1389 1390 1391 1392 |
} else if (strnicmp(data, "nostrictsync", 12) == 0) { vol->nostrictsync = 1; } else if (strnicmp(data, "strictsync", 10) == 0) { vol->nostrictsync = 0; |
50c2f7538 [CIFS] whitespace... |
1393 |
} else if (strnicmp(data, "serverino", 7) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1394 |
vol->server_ino = 1; |
50c2f7538 [CIFS] whitespace... |
1395 |
} else if (strnicmp(data, "noserverino", 9) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1396 |
vol->server_ino = 0; |
c9c7fa006 Fix the conflict ... |
1397 |
} else if (strnicmp(data, "rwpidforward", 12) == 0) { |
d4ffff1fa CIFS: Add rwpidfo... |
1398 |
vol->rwpidforward = 1; |
50c2f7538 [CIFS] whitespace... |
1399 |
} else if (strnicmp(data, "cifsacl", 7) == 0) { |
0a4b92c05 [CIFS] Add worker... |
1400 1401 1402 |
vol->cifs_acl = 1; } else if (strnicmp(data, "nocifsacl", 9) == 0) { vol->cifs_acl = 0; |
50c2f7538 [CIFS] whitespace... |
1403 |
} else if (strnicmp(data, "acl", 3) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1404 |
vol->no_psx_acl = 0; |
50c2f7538 [CIFS] whitespace... |
1405 |
} else if (strnicmp(data, "noacl", 5) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1406 |
vol->no_psx_acl = 1; |
84210e912 [CIFS] improve se... |
1407 1408 |
} else if (strnicmp(data, "locallease", 6) == 0) { vol->local_lease = 1; |
50c2f7538 [CIFS] whitespace... |
1409 |
} else if (strnicmp(data, "sign", 4) == 0) { |
750d1151a [CIFS] Fix alloca... |
1410 |
vol->secFlg |= CIFSSEC_MUST_SIGN; |
95b1cb90b [CIFS] enable par... |
1411 1412 1413 1414 1415 1416 |
} else if (strnicmp(data, "seal", 4) == 0) { /* we do not do the following in secFlags because seal is a per tree connection (mount) not a per socket or per-smb connection option in the protocol */ /* vol->secFlg |= CIFSSEC_MUST_SEAL; */ vol->seal = 1; |
50c2f7538 [CIFS] whitespace... |
1417 |
} else if (strnicmp(data, "direct", 6) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1418 |
vol->direct_io = 1; |
50c2f7538 [CIFS] whitespace... |
1419 |
} else if (strnicmp(data, "forcedirectio", 13) == 0) { |
1da177e4c Linux-2.6.12-rc2 |
1420 |
vol->direct_io = 1; |
d39454ffe CIFS: Add strictc... |
1421 1422 |
} else if (strnicmp(data, "strictcache", 11) == 0) { vol->strict_io = 1; |
1da177e4c Linux-2.6.12-rc2 |
1423 |
} else if (strnicmp(data, "noac", 4) == 0) { |
50c2f7538 [CIFS] whitespace... |
1424 1425 1426 1427 |
printk(KERN_WARNING "CIFS: Mount option noac not " "supported. Instead set " "/proc/fs/cifs/LookupCacheEnabled to 0 "); |
fa1df75d4 cifs: add mount o... |
1428 |
} else if (strnicmp(data, "fsc", 3) == 0) { |
607a569da cifs: allow fsc m... |
1429 |
#ifndef CONFIG_CIFS_FSCACHE |
83fb086e0 cifs: trivial: ad... |
1430 |
cERROR(1, "FS-Cache support needs CONFIG_CIFS_FSCACHE " |
607a569da cifs: allow fsc m... |
1431 |
"kernel config option set"); |
b946845a9 cifs: cifs_parse_... |
1432 |
goto cifs_parse_mount_err; |
607a569da cifs: allow fsc m... |
1433 |
#endif |
fa1df75d4 cifs: add mount o... |
1434 |
vol->fsc = true; |
736a33205 cifs: add "mfsyml... |
1435 1436 |
} else if (strnicmp(data, "mfsymlinks", 10) == 0) { vol->mfsymlinks = true; |
0eb8a132c cifs: add "multiu... |
1437 1438 |
} else if (strnicmp(data, "multiuser", 8) == 0) { vol->multiuser = true; |
1da177e4c Linux-2.6.12-rc2 |
1439 |
} else |
50c2f7538 [CIFS] whitespace... |
1440 1441 1442 |
printk(KERN_WARNING "CIFS: Unknown mount option %s ", data); |
1da177e4c Linux-2.6.12-rc2 |
1443 1444 |
} if (vol->UNC == NULL) { |
4523cc304 [CIFS] UID/GID ov... |
1445 |
if (devname == NULL) { |
50c2f7538 [CIFS] whitespace... |
1446 1447 1448 |
printk(KERN_WARNING "CIFS: Missing UNC name for mount " "target "); |
b946845a9 cifs: cifs_parse_... |
1449 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1450 1451 |
} if ((temp_len = strnlen(devname, 300)) < 300) { |
50c2f7538 [CIFS] whitespace... |
1452 |
vol->UNC = kmalloc(temp_len+1, GFP_KERNEL); |
4523cc304 [CIFS] UID/GID ov... |
1453 |
if (vol->UNC == NULL) |
b946845a9 cifs: cifs_parse_... |
1454 |
goto cifs_parse_mount_err; |
50c2f7538 [CIFS] whitespace... |
1455 |
strcpy(vol->UNC, devname); |
1da177e4c Linux-2.6.12-rc2 |
1456 1457 1458 1459 |
if (strncmp(vol->UNC, "//", 2) == 0) { vol->UNC[0] = '\\'; vol->UNC[1] = '\\'; } else if (strncmp(vol->UNC, "\\\\", 2) != 0) { |
50c2f7538 [CIFS] whitespace... |
1460 1461 1462 |
printk(KERN_WARNING "CIFS: UNC Path does not " "begin with // or \\\\ "); |
b946845a9 cifs: cifs_parse_... |
1463 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1464 |
} |
7c5e628f9 [CIFS] Fixed buil... |
1465 1466 1467 |
value = strpbrk(vol->UNC+2, "/\\"); if (value) *value = '\\'; |
1da177e4c Linux-2.6.12-rc2 |
1468 1469 1470 |
} else { printk(KERN_WARNING "CIFS: UNC name too long "); |
b946845a9 cifs: cifs_parse_... |
1471 |
goto cifs_parse_mount_err; |
1da177e4c Linux-2.6.12-rc2 |
1472 1473 |
} } |
0eb8a132c cifs: add "multiu... |
1474 1475 1476 1477 |
if (vol->multiuser && !(vol->secFlg & CIFSSEC_MAY_KRB5)) { cERROR(1, "Multiuser mounts currently require krb5 " "authentication!"); |
b946845a9 cifs: cifs_parse_... |
1478 |
goto cifs_parse_mount_err; |
0eb8a132c cifs: add "multiu... |
1479 |
} |
fb8c4b14d [CIFS] whitespace... |
1480 |
if (vol->UNCip == NULL) |
1da177e4c Linux-2.6.12-rc2 |
1481 |
vol->UNCip = &vol->UNC[2]; |
9b9d6b243 cifs: reinstate o... |
1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 |
if (uid_specified) vol->override_uid = override_uid; else if (override_uid == 1) printk(KERN_NOTICE "CIFS: ignoring forceuid mount option " "specified with no uid= option. "); if (gid_specified) vol->override_gid = override_gid; else if (override_gid == 1) printk(KERN_NOTICE "CIFS: ignoring forcegid mount option " "specified with no gid= option. "); |
b946845a9 cifs: cifs_parse_... |
1495 |
kfree(mountdata_copy); |
1da177e4c Linux-2.6.12-rc2 |
1496 |
return 0; |
b946845a9 cifs: cifs_parse_... |
1497 1498 1499 1500 |
cifs_parse_mount_err: kfree(mountdata_copy); return 1; |
1da177e4c Linux-2.6.12-rc2 |
1501 |
} |
3eb9a8893 cifs: Allow bindi... |
1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 |
/** Returns true if srcaddr isn't specified and rhs isn't * specified, or if srcaddr is specified and * matches the IP address of the rhs argument. */ static bool srcip_matches(struct sockaddr *srcaddr, struct sockaddr *rhs) { switch (srcaddr->sa_family) { case AF_UNSPEC: return (rhs->sa_family == AF_UNSPEC); case AF_INET: { struct sockaddr_in *saddr4 = (struct sockaddr_in *)srcaddr; struct sockaddr_in *vaddr4 = (struct sockaddr_in *)rhs; return (saddr4->sin_addr.s_addr == vaddr4->sin_addr.s_addr); } case AF_INET6: { struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)srcaddr; struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)&rhs; return ipv6_addr_equal(&saddr6->sin6_addr, &vaddr6->sin6_addr); } default: WARN_ON(1); return false; /* don't expect to be here */ } } |
4b886136d CIFS: Add match_p... |
1527 1528 1529 1530 1531 1532 1533 1534 |
/* * If no port is specified in addr structure, we try to match with 445 port * and if it fails - with 139 ports. It should be called only if address * families of server and addr are equal. */ static bool match_port(struct TCP_Server_Info *server, struct sockaddr *addr) { |
6da979106 Elminate sparse _... |
1535 |
__be16 port, *sport; |
4b886136d CIFS: Add match_p... |
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 |
switch (addr->sa_family) { case AF_INET: sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; port = ((struct sockaddr_in *) addr)->sin_port; break; case AF_INET6: sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; port = ((struct sockaddr_in6 *) addr)->sin6_port; break; default: WARN_ON(1); return false; } if (!port) { port = htons(CIFS_PORT); if (port == *sport) return true; port = htons(RFC1001_PORT); } return port == *sport; } |
3eb9a8893 cifs: Allow bindi... |
1561 |
|
4515148ef cifs: move addres... |
1562 |
static bool |
3eb9a8893 cifs: Allow bindi... |
1563 1564 |
match_address(struct TCP_Server_Info *server, struct sockaddr *addr, struct sockaddr *srcaddr) |
4515148ef cifs: move addres... |
1565 |
{ |
4515148ef cifs: move addres... |
1566 |
switch (addr->sa_family) { |
a9f1b85e5 CIFS: Simplify ip... |
1567 1568 1569 1570 1571 1572 |
case AF_INET: { struct sockaddr_in *addr4 = (struct sockaddr_in *)addr; struct sockaddr_in *srv_addr4 = (struct sockaddr_in *)&server->dstaddr; if (addr4->sin_addr.s_addr != srv_addr4->sin_addr.s_addr) |
4515148ef cifs: move addres... |
1573 |
return false; |
4515148ef cifs: move addres... |
1574 |
break; |
a9f1b85e5 CIFS: Simplify ip... |
1575 1576 1577 1578 1579 |
} case AF_INET6: { struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr; struct sockaddr_in6 *srv_addr6 = (struct sockaddr_in6 *)&server->dstaddr; |
4515148ef cifs: move addres... |
1580 |
if (!ipv6_addr_equal(&addr6->sin6_addr, |
a9f1b85e5 CIFS: Simplify ip... |
1581 |
&srv_addr6->sin6_addr)) |
4515148ef cifs: move addres... |
1582 |
return false; |
a9f1b85e5 CIFS: Simplify ip... |
1583 |
if (addr6->sin6_scope_id != srv_addr6->sin6_scope_id) |
4515148ef cifs: move addres... |
1584 |
return false; |
4515148ef cifs: move addres... |
1585 1586 |
break; } |
a9f1b85e5 CIFS: Simplify ip... |
1587 1588 1589 1590 |
default: WARN_ON(1); return false; /* don't expect to be here */ } |
4515148ef cifs: move addres... |
1591 |
|
3eb9a8893 cifs: Allow bindi... |
1592 1593 |
if (!srcip_matches(srcaddr, (struct sockaddr *)&server->srcaddr)) return false; |
4515148ef cifs: move addres... |
1594 1595 |
return true; } |
daf5b0b6f cifs: match secTy... |
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 |
static bool match_security(struct TCP_Server_Info *server, struct smb_vol *vol) { unsigned int secFlags; if (vol->secFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL))) secFlags = vol->secFlg; else secFlags = global_secflags | vol->secFlg; switch (server->secType) { case LANMAN: if (!(secFlags & (CIFSSEC_MAY_LANMAN|CIFSSEC_MAY_PLNTXT))) return false; break; case NTLMv2: if (!(secFlags & CIFSSEC_MAY_NTLMV2)) return false; break; case NTLM: if (!(secFlags & CIFSSEC_MAY_NTLM)) return false; break; case Kerberos: if (!(secFlags & CIFSSEC_MAY_KRB5)) return false; break; case RawNTLMSSP: if (!(secFlags & CIFSSEC_MAY_NTLMSSP)) return false; break; default: /* shouldn't happen */ return false; } |
25985edce Fix common misspe... |
1631 |
/* now check if signing mode is acceptable */ |
daf5b0b6f cifs: match secTy... |
1632 |
if ((secFlags & CIFSSEC_MAY_SIGN) == 0 && |
96daf2b09 [CIFS] Rename thr... |
1633 |
(server->sec_mode & SECMODE_SIGN_REQUIRED)) |
daf5b0b6f cifs: match secTy... |
1634 1635 |
return false; else if (((secFlags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) && |
96daf2b09 [CIFS] Rename thr... |
1636 |
(server->sec_mode & |
daf5b0b6f cifs: match secTy... |
1637 1638 1639 1640 1641 |
(SECMODE_SIGN_ENABLED|SECMODE_SIGN_REQUIRED)) == 0) return false; return true; } |
37bb04e5a CIFS: Simplify co... |
1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 |
static int match_server(struct TCP_Server_Info *server, struct sockaddr *addr, struct smb_vol *vol) { if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) return 0; if (!match_address(server, addr, (struct sockaddr *)&vol->srcaddr)) return 0; if (!match_port(server, addr)) return 0; if (!match_security(server, vol)) return 0; return 1; } |
e7ddee903 cifs: disable sha... |
1660 |
static struct TCP_Server_Info * |
daf5b0b6f cifs: match secTy... |
1661 |
cifs_find_tcp_session(struct sockaddr *addr, struct smb_vol *vol) |
1da177e4c Linux-2.6.12-rc2 |
1662 |
{ |
e7ddee903 cifs: disable sha... |
1663 |
struct TCP_Server_Info *server; |
e7ddee903 cifs: disable sha... |
1664 |
|
3f9bcca78 cifs: convert cif... |
1665 |
spin_lock(&cifs_tcp_ses_lock); |
4515148ef cifs: move addres... |
1666 |
list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { |
37bb04e5a CIFS: Simplify co... |
1667 |
if (!match_server(server, addr, vol)) |
daf5b0b6f cifs: match secTy... |
1668 |
continue; |
e7ddee903 cifs: disable sha... |
1669 |
++server->srv_count; |
3f9bcca78 cifs: convert cif... |
1670 |
spin_unlock(&cifs_tcp_ses_lock); |
b6b38f704 [CIFS] Neaten cER... |
1671 |
cFYI(1, "Existing tcp session with server found"); |
e7ddee903 cifs: disable sha... |
1672 |
return server; |
1da177e4c Linux-2.6.12-rc2 |
1673 |
} |
3f9bcca78 cifs: convert cif... |
1674 |
spin_unlock(&cifs_tcp_ses_lock); |
1da177e4c Linux-2.6.12-rc2 |
1675 1676 |
return NULL; } |
1b20d6721 [CIFS] cifs_find_... |
1677 |
|
14fbf50d6 cifs: reinstate s... |
1678 |
static void |
e7ddee903 cifs: disable sha... |
1679 |
cifs_put_tcp_session(struct TCP_Server_Info *server) |
1da177e4c Linux-2.6.12-rc2 |
1680 |
{ |
e7ddee903 cifs: disable sha... |
1681 |
struct task_struct *task; |
1b20d6721 [CIFS] cifs_find_... |
1682 |
|
3f9bcca78 cifs: convert cif... |
1683 |
spin_lock(&cifs_tcp_ses_lock); |
e7ddee903 cifs: disable sha... |
1684 |
if (--server->srv_count > 0) { |
3f9bcca78 cifs: convert cif... |
1685 |
spin_unlock(&cifs_tcp_ses_lock); |
e7ddee903 cifs: disable sha... |
1686 |
return; |
1da177e4c Linux-2.6.12-rc2 |
1687 |
} |
1b20d6721 [CIFS] cifs_find_... |
1688 |
|
f1d0c9986 Make CIFS mount w... |
1689 |
put_net(cifs_net_ns(server)); |
e7ddee903 cifs: disable sha... |
1690 |
list_del_init(&server->tcp_ses_list); |
3f9bcca78 cifs: convert cif... |
1691 |
spin_unlock(&cifs_tcp_ses_lock); |
dea570e08 [CIFS] Remove ove... |
1692 |
|
c74093b69 cifs: set up recu... |
1693 |
cancel_delayed_work_sync(&server->echo); |
e7ddee903 cifs: disable sha... |
1694 1695 1696 |
spin_lock(&GlobalMid_Lock); server->tcpStatus = CifsExiting; spin_unlock(&GlobalMid_Lock); |
dea570e08 [CIFS] Remove ove... |
1697 |
|
d2b915210 NTLM auth and sig... |
1698 |
cifs_crypto_shash_release(server); |
488f1d2d6 cifs: define serv... |
1699 |
cifs_fscache_release_client_cookie(server); |
21e733930 NTLM auth and sig... |
1700 1701 1702 |
kfree(server->session_key.response); server->session_key.response = NULL; server->session_key.len = 0; |
e7ddee903 cifs: disable sha... |
1703 1704 1705 |
task = xchg(&server->tsk, NULL); if (task) force_sig(SIGKILL, task); |
1da177e4c Linux-2.6.12-rc2 |
1706 |
} |
63c038c29 cifs: move alloca... |
1707 1708 1709 1710 |
static struct TCP_Server_Info * cifs_get_tcp_session(struct smb_vol *volume_info) { struct TCP_Server_Info *tcp_ses = NULL; |
a9ac49d30 cifs: make sure w... |
1711 |
struct sockaddr_storage addr; |
63c038c29 cifs: move alloca... |
1712 1713 1714 |
struct sockaddr_in *sin_server = (struct sockaddr_in *) &addr; struct sockaddr_in6 *sin_server6 = (struct sockaddr_in6 *) &addr; int rc; |
a9ac49d30 cifs: make sure w... |
1715 |
memset(&addr, 0, sizeof(struct sockaddr_storage)); |
63c038c29 cifs: move alloca... |
1716 |
|
b6b38f704 [CIFS] Neaten cER... |
1717 |
cFYI(1, "UNC: %s ip: %s", volume_info->UNC, volume_info->UNCip); |
63c038c29 cifs: move alloca... |
1718 |
|
1e68b2b27 cifs: add new rou... |
1719 |
if (volume_info->UNCip && volume_info->UNC) { |
50d971602 cifs: set the por... |
1720 1721 |
rc = cifs_fill_sockaddr((struct sockaddr *)&addr, volume_info->UNCip, |
67b7626a0 CIFS: Make cifs_c... |
1722 |
strlen(volume_info->UNCip), |
50d971602 cifs: set the por... |
1723 |
volume_info->port); |
1e68b2b27 cifs: add new rou... |
1724 |
if (!rc) { |
63c038c29 cifs: move alloca... |
1725 1726 1727 1728 |
/* we failed translating address */ rc = -EINVAL; goto out_err; } |
63c038c29 cifs: move alloca... |
1729 1730 1731 |
} else if (volume_info->UNCip) { /* BB using ip addr as tcp_ses name to connect to the DFS root below */ |
b6b38f704 [CIFS] Neaten cER... |
1732 |
cERROR(1, "Connecting to DFS root not implemented yet"); |
63c038c29 cifs: move alloca... |
1733 1734 1735 |
rc = -EINVAL; goto out_err; } else /* which tcp_sess DFS root would we conect to */ { |
b6b38f704 [CIFS] Neaten cER... |
1736 1737 |
cERROR(1, "CIFS mount error: No UNC path (e.g. -o " "unc=//192.168.1.100/public) specified"); |
63c038c29 cifs: move alloca... |
1738 1739 1740 1741 1742 |
rc = -EINVAL; goto out_err; } /* see if we already have a matching tcp_ses */ |
daf5b0b6f cifs: match secTy... |
1743 |
tcp_ses = cifs_find_tcp_session((struct sockaddr *)&addr, volume_info); |
63c038c29 cifs: move alloca... |
1744 1745 1746 1747 1748 1749 1750 1751 |
if (tcp_ses) return tcp_ses; tcp_ses = kzalloc(sizeof(struct TCP_Server_Info), GFP_KERNEL); if (!tcp_ses) { rc = -ENOMEM; goto out_err; } |
d2b915210 NTLM auth and sig... |
1752 1753 1754 1755 1756 |
rc = cifs_crypto_shash_allocate(tcp_ses); if (rc) { cERROR(1, "could not setup hash structures rc %d", rc); goto out_err; } |
f1d0c9986 Make CIFS mount w... |
1757 |
cifs_set_net_ns(tcp_ses, get_net(current->nsproxy->net_ns)); |
63c038c29 cifs: move alloca... |
1758 1759 1760 |
tcp_ses->hostname = extract_hostname(volume_info->UNC); if (IS_ERR(tcp_ses->hostname)) { rc = PTR_ERR(tcp_ses->hostname); |
f7c5445a9 NTLM auth and sig... |
1761 |
goto out_err_crypto_release; |
63c038c29 cifs: move alloca... |
1762 1763 1764 1765 |
} tcp_ses->noblocksnd = volume_info->noblocksnd; tcp_ses->noautotune = volume_info->noautotune; |
6a5fa2362 [CIFS] Add suppor... |
1766 |
tcp_ses->tcp_nodelay = volume_info->sockopt_tcp_nodelay; |
63c038c29 cifs: move alloca... |
1767 1768 1769 1770 1771 1772 1773 1774 1775 |
atomic_set(&tcp_ses->inFlight, 0); init_waitqueue_head(&tcp_ses->response_q); init_waitqueue_head(&tcp_ses->request_q); INIT_LIST_HEAD(&tcp_ses->pending_mid_q); mutex_init(&tcp_ses->srv_mutex); memcpy(tcp_ses->workstation_RFC1001_name, volume_info->source_rfc1001_name, RFC1001_NAME_LEN_WITH_NULL); memcpy(tcp_ses->server_RFC1001_name, volume_info->target_rfc1001_name, RFC1001_NAME_LEN_WITH_NULL); |
5d0d28824 NTLM authenticati... |
1776 |
tcp_ses->session_estab = false; |
63c038c29 cifs: move alloca... |
1777 |
tcp_ses->sequence_number = 0; |
fda359436 [CIFS] cifs: reco... |
1778 |
tcp_ses->lstrp = jiffies; |
63c038c29 cifs: move alloca... |
1779 1780 |
INIT_LIST_HEAD(&tcp_ses->tcp_ses_list); INIT_LIST_HEAD(&tcp_ses->smb_ses_list); |
c74093b69 cifs: set up recu... |
1781 |
INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request); |
63c038c29 cifs: move alloca... |
1782 1783 1784 1785 1786 1787 1788 |
/* * at this point we are the only ones with the pointer * to the struct since the kernel thread not created yet * no need to spinlock this init of tcpStatus or srv_count */ tcp_ses->tcpStatus = CifsNew; |
3eb9a8893 cifs: Allow bindi... |
1789 1790 |
memcpy(&tcp_ses->srcaddr, &volume_info->srcaddr, sizeof(tcp_ses->srcaddr)); |
63c038c29 cifs: move alloca... |
1791 |
++tcp_ses->srv_count; |
a9ac49d30 cifs: make sure w... |
1792 |
if (addr.ss_family == AF_INET6) { |
b6b38f704 [CIFS] Neaten cER... |
1793 |
cFYI(1, "attempting ipv6 connect"); |
63c038c29 cifs: move alloca... |
1794 1795 |
/* BB should we allow ipv6 on port 139? */ /* other OS never observed in Wild doing 139 with v6 */ |
a9f1b85e5 CIFS: Simplify ip... |
1796 1797 1798 1799 1800 1801 1802 |
memcpy(&tcp_ses->dstaddr, sin_server6, sizeof(struct sockaddr_in6)); } else memcpy(&tcp_ses->dstaddr, sin_server, sizeof(struct sockaddr_in)); rc = ip_connect(tcp_ses); |
63c038c29 cifs: move alloca... |
1803 |
if (rc < 0) { |
b6b38f704 [CIFS] Neaten cER... |
1804 |
cERROR(1, "Error connecting to socket. Aborting operation"); |
f7c5445a9 NTLM auth and sig... |
1805 |
goto out_err_crypto_release; |
63c038c29 cifs: move alloca... |
1806 1807 1808 1809 1810 1811 1812 |
} /* * since we're in a cifs function already, we know that * this will succeed. No need for try_module_get(). */ __module_get(THIS_MODULE); |
7c97c200e cifs: fix the typ... |
1813 |
tcp_ses->tsk = kthread_run(cifs_demultiplex_thread, |
63c038c29 cifs: move alloca... |
1814 1815 1816 |
tcp_ses, "cifsd"); if (IS_ERR(tcp_ses->tsk)) { rc = PTR_ERR(tcp_ses->tsk); |
b6b38f704 [CIFS] Neaten cER... |
1817 |
cERROR(1, "error %d create cifsd thread", rc); |
63c038c29 cifs: move alloca... |
1818 |
module_put(THIS_MODULE); |
f7c5445a9 NTLM auth and sig... |
1819 |
goto out_err_crypto_release; |
63c038c29 cifs: move alloca... |
1820 |
} |
fd88ce931 [CIFS] cifs: clar... |
1821 |
tcp_ses->tcpStatus = CifsNeedNegotiate; |
63c038c29 cifs: move alloca... |
1822 1823 |
/* thread spawned, put it on the list */ |
3f9bcca78 cifs: convert cif... |
1824 |
spin_lock(&cifs_tcp_ses_lock); |
63c038c29 cifs: move alloca... |
1825 |
list_add(&tcp_ses->tcp_ses_list, &cifs_tcp_ses_list); |
3f9bcca78 cifs: convert cif... |
1826 |
spin_unlock(&cifs_tcp_ses_lock); |
63c038c29 cifs: move alloca... |
1827 |
|
488f1d2d6 cifs: define serv... |
1828 |
cifs_fscache_get_client_cookie(tcp_ses); |
c74093b69 cifs: set up recu... |
1829 1830 |
/* queue echo request delayed work */ queue_delayed_work(system_nrt_wq, &tcp_ses->echo, SMB_ECHO_INTERVAL); |
63c038c29 cifs: move alloca... |
1831 |
return tcp_ses; |
f7c5445a9 NTLM auth and sig... |
1832 |
out_err_crypto_release: |
d2b915210 NTLM auth and sig... |
1833 |
cifs_crypto_shash_release(tcp_ses); |
f1d0c9986 Make CIFS mount w... |
1834 |
put_net(cifs_net_ns(tcp_ses)); |
63c038c29 cifs: move alloca... |
1835 1836 |
out_err: if (tcp_ses) { |
8347a5cdd [CIFS] Fixing to ... |
1837 1838 |
if (!IS_ERR(tcp_ses->hostname)) kfree(tcp_ses->hostname); |
63c038c29 cifs: move alloca... |
1839 1840 1841 1842 1843 1844 |
if (tcp_ses->ssocket) sock_release(tcp_ses->ssocket); kfree(tcp_ses); } return ERR_PTR(rc); } |
96daf2b09 [CIFS] Rename thr... |
1845 |
static int match_session(struct cifs_ses *ses, struct smb_vol *vol) |
37bb04e5a CIFS: Simplify co... |
1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 |
{ switch (ses->server->secType) { case Kerberos: if (vol->cred_uid != ses->cred_uid) return 0; break; default: /* anything else takes username/password */ if (ses->user_name == NULL) return 0; if (strncmp(ses->user_name, vol->username, MAX_USERNAME_SIZE)) return 0; if (strlen(vol->username) != 0 && ses->password != NULL && strncmp(ses->password, vol->password ? vol->password : "", MAX_PASSWORD_SIZE)) return 0; } return 1; } |
96daf2b09 [CIFS] Rename thr... |
1868 |
static struct cifs_ses * |
4ff67b720 cifs: clean up ci... |
1869 |
cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol) |
1da177e4c Linux-2.6.12-rc2 |
1870 |
{ |
96daf2b09 [CIFS] Rename thr... |
1871 |
struct cifs_ses *ses; |
dea570e08 [CIFS] Remove ove... |
1872 |
|
3f9bcca78 cifs: convert cif... |
1873 |
spin_lock(&cifs_tcp_ses_lock); |
4ff67b720 cifs: clean up ci... |
1874 |
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { |
37bb04e5a CIFS: Simplify co... |
1875 1876 |
if (!match_session(ses, vol)) continue; |
14fbf50d6 cifs: reinstate s... |
1877 |
++ses->ses_count; |
3f9bcca78 cifs: convert cif... |
1878 |
spin_unlock(&cifs_tcp_ses_lock); |
14fbf50d6 cifs: reinstate s... |
1879 1880 |
return ses; } |
3f9bcca78 cifs: convert cif... |
1881 |
spin_unlock(&cifs_tcp_ses_lock); |
14fbf50d6 cifs: reinstate s... |
1882 1883 |
return NULL; } |
dea570e08 [CIFS] Remove ove... |
1884 |
|
14fbf50d6 cifs: reinstate s... |
1885 |
static void |
96daf2b09 [CIFS] Rename thr... |
1886 |
cifs_put_smb_ses(struct cifs_ses *ses) |
14fbf50d6 cifs: reinstate s... |
1887 1888 1889 |
{ int xid; struct TCP_Server_Info *server = ses->server; |
dea570e08 [CIFS] Remove ove... |
1890 |
|
36988c76f cifs: move SMB se... |
1891 1892 |
cFYI(1, "%s: ses_count=%d ", __func__, ses->ses_count); |
3f9bcca78 cifs: convert cif... |
1893 |
spin_lock(&cifs_tcp_ses_lock); |
14fbf50d6 cifs: reinstate s... |
1894 |
if (--ses->ses_count > 0) { |
3f9bcca78 cifs: convert cif... |
1895 |
spin_unlock(&cifs_tcp_ses_lock); |
14fbf50d6 cifs: reinstate s... |
1896 1897 |
return; } |
dea570e08 [CIFS] Remove ove... |
1898 |
|
14fbf50d6 cifs: reinstate s... |
1899 |
list_del_init(&ses->smb_ses_list); |
3f9bcca78 cifs: convert cif... |
1900 |
spin_unlock(&cifs_tcp_ses_lock); |
dea570e08 [CIFS] Remove ove... |
1901 |
|
14fbf50d6 cifs: reinstate s... |
1902 1903 1904 1905 1906 1907 1908 1909 |
if (ses->status == CifsGood) { xid = GetXid(); CIFSSMBLogoff(xid, ses); _FreeXid(xid); } sesInfoFree(ses); cifs_put_tcp_session(server); } |
dea570e08 [CIFS] Remove ove... |
1910 |
|
d9b942013 [CIFS] Warn on re... |
1911 |
static bool warned_on_ntlm; /* globals init to false automatically */ |
96daf2b09 [CIFS] Rename thr... |
1912 |
static struct cifs_ses * |
36988c76f cifs: move SMB se... |
1913 1914 1915 |
cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) { int rc = -ENOMEM, xid; |
96daf2b09 [CIFS] Rename thr... |
1916 |
struct cifs_ses *ses; |
a9f1b85e5 CIFS: Simplify ip... |
1917 1918 |
struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; |
36988c76f cifs: move SMB se... |
1919 1920 |
xid = GetXid(); |
4ff67b720 cifs: clean up ci... |
1921 |
ses = cifs_find_smb_ses(server, volume_info); |
36988c76f cifs: move SMB se... |
1922 1923 |
if (ses) { cFYI(1, "Existing smb sess found (status=%d)", ses->status); |
36988c76f cifs: move SMB se... |
1924 |
mutex_lock(&ses->session_mutex); |
198b56827 cifs: break negot... |
1925 1926 1927 1928 1929 1930 1931 1932 |
rc = cifs_negotiate_protocol(xid, ses); if (rc) { mutex_unlock(&ses->session_mutex); /* problem -- put our ses reference */ cifs_put_smb_ses(ses); FreeXid(xid); return ERR_PTR(rc); } |
36988c76f cifs: move SMB se... |
1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 |
if (ses->need_reconnect) { cFYI(1, "Session needs reconnect"); rc = cifs_setup_session(xid, ses, volume_info->local_nls); if (rc) { mutex_unlock(&ses->session_mutex); /* problem -- put our reference */ cifs_put_smb_ses(ses); FreeXid(xid); return ERR_PTR(rc); } } mutex_unlock(&ses->session_mutex); |
460cf3411 cifs: fix potenti... |
1946 1947 1948 |
/* existing SMB ses has a server reference already */ cifs_put_tcp_session(server); |
36988c76f cifs: move SMB se... |
1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 |
FreeXid(xid); return ses; } cFYI(1, "Existing smb sess not found"); ses = sesInfoAlloc(); if (ses == NULL) goto get_ses_fail; /* new SMB session uses our server ref */ ses->server = server; |
a9f1b85e5 CIFS: Simplify ip... |
1960 1961 |
if (server->dstaddr.ss_family == AF_INET6) sprintf(ses->serverName, "%pI6", &addr6->sin6_addr); |
36988c76f cifs: move SMB se... |
1962 |
else |
a9f1b85e5 CIFS: Simplify ip... |
1963 |
sprintf(ses->serverName, "%pI4", &addr->sin_addr); |
36988c76f cifs: move SMB se... |
1964 |
|
8727c8a85 Allow user names ... |
1965 1966 1967 1968 1969 |
if (volume_info->username) { ses->user_name = kstrdup(volume_info->username, GFP_KERNEL); if (!ses->user_name) goto get_ses_fail; } |
36988c76f cifs: move SMB se... |
1970 1971 1972 1973 1974 1975 1976 1977 |
/* volume_info->password freed at unmount */ if (volume_info->password) { ses->password = kstrdup(volume_info->password, GFP_KERNEL); if (!ses->password) goto get_ses_fail; } if (volume_info->domainname) { |
d3686d54c cifs: Cleanup and... |
1978 1979 1980 |
ses->domainName = kstrdup(volume_info->domainname, GFP_KERNEL); if (!ses->domainName) goto get_ses_fail; |
36988c76f cifs: move SMB se... |
1981 |
} |
3e4b3e1f6 cifs: add separat... |
1982 |
ses->cred_uid = volume_info->cred_uid; |
36988c76f cifs: move SMB se... |
1983 |
ses->linux_uid = volume_info->linux_uid; |
d9b942013 [CIFS] Warn on re... |
1984 1985 1986 1987 1988 1989 1990 |
/* ntlmv2 is much stronger than ntlm security, and has been broadly supported for many years, time to update default security mechanism */ if ((volume_info->secFlg == 0) && warned_on_ntlm == false) { warned_on_ntlm = true; cERROR(1, "default security mechanism requested. The default " "security mechanism will be upgraded from ntlm to " |
9d1e397b7 [CIFS] Fix first ... |
1991 |
"ntlmv2 in kernel release 3.2"); |
d9b942013 [CIFS] Warn on re... |
1992 |
} |
36988c76f cifs: move SMB se... |
1993 1994 1995 |
ses->overrideSecFlg = volume_info->secFlg; mutex_lock(&ses->session_mutex); |
198b56827 cifs: break negot... |
1996 1997 1998 |
rc = cifs_negotiate_protocol(xid, ses); if (!rc) rc = cifs_setup_session(xid, ses, volume_info->local_nls); |
36988c76f cifs: move SMB se... |
1999 |
mutex_unlock(&ses->session_mutex); |
c8e56f1f4 Revert "[CIFS] Fi... |
2000 |
if (rc) |
36988c76f cifs: move SMB se... |
2001 2002 2003 |
goto get_ses_fail; /* success, put it on the list */ |
3f9bcca78 cifs: convert cif... |
2004 |
spin_lock(&cifs_tcp_ses_lock); |
36988c76f cifs: move SMB se... |
2005 |
list_add(&ses->smb_ses_list, &server->smb_ses_list); |
3f9bcca78 cifs: convert cif... |
2006 |
spin_unlock(&cifs_tcp_ses_lock); |
36988c76f cifs: move SMB se... |
2007 2008 2009 2010 2011 2012 2013 2014 2015 |
FreeXid(xid); return ses; get_ses_fail: sesInfoFree(ses); FreeXid(xid); return ERR_PTR(rc); } |
96daf2b09 [CIFS] Rename thr... |
2016 |
static int match_tcon(struct cifs_tcon *tcon, const char *unc) |
37bb04e5a CIFS: Simplify co... |
2017 2018 2019 2020 2021 2022 2023 |
{ if (tcon->tidStatus == CifsExiting) return 0; if (strncmp(tcon->treeName, unc, MAX_TREE_SIZE)) return 0; return 1; } |
96daf2b09 [CIFS] Rename thr... |
2024 2025 |
static struct cifs_tcon * cifs_find_tcon(struct cifs_ses *ses, const char *unc) |
f1987b44f cifs: reinstate s... |
2026 2027 |
{ struct list_head *tmp; |
96daf2b09 [CIFS] Rename thr... |
2028 |
struct cifs_tcon *tcon; |
f1987b44f cifs: reinstate s... |
2029 |
|
3f9bcca78 cifs: convert cif... |
2030 |
spin_lock(&cifs_tcp_ses_lock); |
f1987b44f cifs: reinstate s... |
2031 |
list_for_each(tmp, &ses->tcon_list) { |
96daf2b09 [CIFS] Rename thr... |
2032 |
tcon = list_entry(tmp, struct cifs_tcon, tcon_list); |
37bb04e5a CIFS: Simplify co... |
2033 |
if (!match_tcon(tcon, unc)) |
f1987b44f cifs: reinstate s... |
2034 |
continue; |
f1987b44f cifs: reinstate s... |
2035 |
++tcon->tc_count; |
3f9bcca78 cifs: convert cif... |
2036 |
spin_unlock(&cifs_tcp_ses_lock); |
dea570e08 [CIFS] Remove ove... |
2037 |
return tcon; |
1da177e4c Linux-2.6.12-rc2 |
2038 |
} |
3f9bcca78 cifs: convert cif... |
2039 |
spin_unlock(&cifs_tcp_ses_lock); |
1da177e4c Linux-2.6.12-rc2 |
2040 2041 |
return NULL; } |
f1987b44f cifs: reinstate s... |
2042 |
static void |
96daf2b09 [CIFS] Rename thr... |
2043 |
cifs_put_tcon(struct cifs_tcon *tcon) |
f1987b44f cifs: reinstate s... |
2044 2045 |
{ int xid; |
96daf2b09 [CIFS] Rename thr... |
2046 |
struct cifs_ses *ses = tcon->ses; |
f1987b44f cifs: reinstate s... |
2047 |
|
d00c28de5 cifs: move tcon f... |
2048 2049 |
cFYI(1, "%s: tc_count=%d ", __func__, tcon->tc_count); |
3f9bcca78 cifs: convert cif... |
2050 |
spin_lock(&cifs_tcp_ses_lock); |
f1987b44f cifs: reinstate s... |
2051 |
if (--tcon->tc_count > 0) { |
3f9bcca78 cifs: convert cif... |
2052 |
spin_unlock(&cifs_tcp_ses_lock); |
f1987b44f cifs: reinstate s... |
2053 2054 2055 2056 |
return; } list_del_init(&tcon->tcon_list); |
3f9bcca78 cifs: convert cif... |
2057 |
spin_unlock(&cifs_tcp_ses_lock); |
f1987b44f cifs: reinstate s... |
2058 2059 2060 2061 |
xid = GetXid(); CIFSSMBTDis(xid, tcon); _FreeXid(xid); |
d03382ce9 cifs: define supe... |
2062 |
cifs_fscache_release_super_cookie(tcon); |
9f841593f [CIFS] relinquish... |
2063 |
tconInfoFree(tcon); |
f1987b44f cifs: reinstate s... |
2064 2065 |
cifs_put_smb_ses(ses); } |
96daf2b09 [CIFS] Rename thr... |
2066 2067 |
static struct cifs_tcon * cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) |
d00c28de5 cifs: move tcon f... |
2068 2069 |
{ int rc, xid; |
96daf2b09 [CIFS] Rename thr... |
2070 |
struct cifs_tcon *tcon; |
d00c28de5 cifs: move tcon f... |
2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 |
tcon = cifs_find_tcon(ses, volume_info->UNC); if (tcon) { cFYI(1, "Found match on UNC path"); /* existing tcon already has a reference */ cifs_put_smb_ses(ses); if (tcon->seal != volume_info->seal) cERROR(1, "transport encryption setting " "conflicts with existing tid"); return tcon; } tcon = tconInfoAlloc(); if (tcon == NULL) { rc = -ENOMEM; goto out_fail; } tcon->ses = ses; if (volume_info->password) { tcon->password = kstrdup(volume_info->password, GFP_KERNEL); if (!tcon->password) { rc = -ENOMEM; goto out_fail; } } if (strchr(volume_info->UNC + 3, '\\') == NULL && strchr(volume_info->UNC + 3, '/') == NULL) { cERROR(1, "Missing share name"); rc = -ENODEV; goto out_fail; } /* BB Do we need to wrap session_mutex around * this TCon call and Unix SetFS as * we do on SessSetup and reconnect? */ xid = GetXid(); rc = CIFSTCon(xid, ses, volume_info->UNC, tcon, volume_info->local_nls); FreeXid(xid); cFYI(1, "CIFS Tcon rc = %d", rc); if (rc) goto out_fail; if (volume_info->nodfs) { tcon->Flags &= ~SMB_SHARE_IS_IN_DFS; cFYI(1, "DFS disabled (%d)", tcon->Flags); } tcon->seal = volume_info->seal; /* we can have only one retry value for a connection to a share so for resources mounted more than once to the same server share the last value passed in for the retry flag is used */ tcon->retry = volume_info->retry; tcon->nocase = volume_info->nocase; tcon->local_lease = volume_info->local_lease; |
3f9bcca78 cifs: convert cif... |
2127 |
spin_lock(&cifs_tcp_ses_lock); |
d00c28de5 cifs: move tcon f... |
2128 |
list_add(&tcon->tcon_list, &ses->tcon_list); |
3f9bcca78 cifs: convert cif... |
2129 |
spin_unlock(&cifs_tcp_ses_lock); |
d00c28de5 cifs: move tcon f... |
2130 |
|
d03382ce9 cifs: define supe... |
2131 |
cifs_fscache_get_super_cookie(tcon); |
d00c28de5 cifs: move tcon f... |
2132 2133 2134 2135 2136 2137 |
return tcon; out_fail: tconInfoFree(tcon); return ERR_PTR(rc); } |
9d002df49 cifs: add routine... |
2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 |
void cifs_put_tlink(struct tcon_link *tlink) { if (!tlink || IS_ERR(tlink)) return; if (!atomic_dec_and_test(&tlink->tl_count) || test_bit(TCON_LINK_IN_TREE, &tlink->tl_flags)) { tlink->tl_time = jiffies; return; } if (!IS_ERR(tlink_tcon(tlink))) cifs_put_tcon(tlink_tcon(tlink)); kfree(tlink); return; } |
d00c28de5 cifs: move tcon f... |
2155 |
|
25c7f41e9 CIFS: Migrate to ... |
2156 |
static inline struct tcon_link * |
cd51875d5 CIFS: Fix sparse ... |
2157 2158 2159 2160 |
cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb) { return cifs_sb->master_tlink; } |
25c7f41e9 CIFS: Migrate to ... |
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 |
static int compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data) { struct cifs_sb_info *old = CIFS_SB(sb); struct cifs_sb_info *new = mnt_data->cifs_sb; if ((sb->s_flags & CIFS_MS_MASK) != (mnt_data->flags & CIFS_MS_MASK)) return 0; if ((old->mnt_cifs_flags & CIFS_MOUNT_MASK) != (new->mnt_cifs_flags & CIFS_MOUNT_MASK)) return 0; if (old->rsize != new->rsize) return 0; /* * We want to share sb only if we don't specify wsize or specified wsize * is greater or equal than existing one. */ if (new->wsize && new->wsize < old->wsize) return 0; if (old->mnt_uid != new->mnt_uid || old->mnt_gid != new->mnt_gid) return 0; if (old->mnt_file_mode != new->mnt_file_mode || old->mnt_dir_mode != new->mnt_dir_mode) return 0; if (strcmp(old->local_nls->charset, new->local_nls->charset)) return 0; if (old->actimeo != new->actimeo) return 0; return 1; } int cifs_match_super(struct super_block *sb, void *data) { struct cifs_mnt_data *mnt_data = (struct cifs_mnt_data *)data; struct smb_vol *volume_info; struct cifs_sb_info *cifs_sb; struct TCP_Server_Info *tcp_srv; |
96daf2b09 [CIFS] Rename thr... |
2208 2209 |
struct cifs_ses *ses; struct cifs_tcon *tcon; |
25c7f41e9 CIFS: Migrate to ... |
2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 |
struct tcon_link *tlink; struct sockaddr_storage addr; int rc = 0; memset(&addr, 0, sizeof(struct sockaddr_storage)); spin_lock(&cifs_tcp_ses_lock); cifs_sb = CIFS_SB(sb); tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb)); if (IS_ERR(tlink)) { spin_unlock(&cifs_tcp_ses_lock); return rc; } tcon = tlink_tcon(tlink); ses = tcon->ses; tcp_srv = ses->server; volume_info = mnt_data->vol; if (!volume_info->UNCip || !volume_info->UNC) goto out; rc = cifs_fill_sockaddr((struct sockaddr *)&addr, volume_info->UNCip, strlen(volume_info->UNCip), volume_info->port); if (!rc) goto out; if (!match_server(tcp_srv, (struct sockaddr *)&addr, volume_info) || !match_session(ses, volume_info) || !match_tcon(tcon, volume_info->UNC)) { rc = 0; goto out; } rc = compare_mount_options(sb, mnt_data); out: |
25c7f41e9 CIFS: Migrate to ... |
2248 |
spin_unlock(&cifs_tcp_ses_lock); |
f484b5d00 cifs: drop spinlo... |
2249 |
cifs_put_tlink(tlink); |
25c7f41e9 CIFS: Migrate to ... |
2250 2251 |
return rc; } |
1da177e4c Linux-2.6.12-rc2 |
2252 |
int |
96daf2b09 [CIFS] Rename thr... |
2253 |
get_dfs_path(int xid, struct cifs_ses *pSesInfo, const char *old_path, |
50c2f7538 [CIFS] whitespace... |
2254 |
const struct nls_table *nls_codepage, unsigned int *pnum_referrals, |
366781c19 [CIFS] DFS build ... |
2255 |
struct dfs_info3_param **preferrals, int remap) |
1da177e4c Linux-2.6.12-rc2 |
2256 2257 2258 2259 2260 |
{ char *temp_unc; int rc = 0; *pnum_referrals = 0; |
366781c19 [CIFS] DFS build ... |
2261 |
*preferrals = NULL; |
1da177e4c Linux-2.6.12-rc2 |
2262 2263 2264 |
if (pSesInfo->ipc_tid == 0) { temp_unc = kmalloc(2 /* for slashes */ + |
50c2f7538 [CIFS] whitespace... |
2265 2266 |
strnlen(pSesInfo->serverName, SERVER_NAME_LEN_WITH_NULL * 2) |
1da177e4c Linux-2.6.12-rc2 |
2267 2268 2269 2270 2271 2272 2273 2274 2275 |
+ 1 + 4 /* slash IPC$ */ + 2, GFP_KERNEL); if (temp_unc == NULL) return -ENOMEM; temp_unc[0] = '\\'; temp_unc[1] = '\\'; strcpy(temp_unc + 2, pSesInfo->serverName); strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$"); rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage); |
b6b38f704 [CIFS] Neaten cER... |
2276 |
cFYI(1, "CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid); |
1da177e4c Linux-2.6.12-rc2 |
2277 2278 2279 |
kfree(temp_unc); } if (rc == 0) |
c2cf07d59 [CIFS] Finishup D... |
2280 |
rc = CIFSGetDFSRefer(xid, pSesInfo, old_path, preferrals, |
737b758c9 [PATCH] cifs: cha... |
2281 |
pnum_referrals, nls_codepage, remap); |
366781c19 [CIFS] DFS build ... |
2282 2283 |
/* BB map targetUNCs to dfs_info3 structures, here or in CIFSGetDFSRefer BB */ |
1da177e4c Linux-2.6.12-rc2 |
2284 2285 2286 |
return rc; } |
09e50d55a lockdep: annotate... |
2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 |
#ifdef CONFIG_DEBUG_LOCK_ALLOC static struct lock_class_key cifs_key[2]; static struct lock_class_key cifs_slock_key[2]; static inline void cifs_reclassify_socket4(struct socket *sock) { struct sock *sk = sock->sk; BUG_ON(sock_owned_by_user(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET-CIFS", &cifs_slock_key[0], "sk_lock-AF_INET-CIFS", &cifs_key[0]); } static inline void cifs_reclassify_socket6(struct socket *sock) { struct sock *sk = sock->sk; BUG_ON(sock_owned_by_user(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET6-CIFS", &cifs_slock_key[1], "sk_lock-AF_INET6-CIFS", &cifs_key[1]); } #else static inline void cifs_reclassify_socket4(struct socket *sock) { } static inline void cifs_reclassify_socket6(struct socket *sock) { } #endif |
1da177e4c Linux-2.6.12-rc2 |
2319 |
/* See RFC1001 section 14 on representation of Netbios names */ |
50c2f7538 [CIFS] whitespace... |
2320 |
static void rfc1002mangle(char *target, char *source, unsigned int length) |
1da177e4c Linux-2.6.12-rc2 |
2321 |
{ |
50c2f7538 [CIFS] whitespace... |
2322 |
unsigned int i, j; |
1da177e4c Linux-2.6.12-rc2 |
2323 |
|
50c2f7538 [CIFS] whitespace... |
2324 |
for (i = 0, j = 0; i < (length); i++) { |
1da177e4c Linux-2.6.12-rc2 |
2325 2326 2327 |
/* mask a nibble at a time and encode */ target[j] = 'A' + (0x0F & (source[i] >> 4)); target[j+1] = 'A' + (0x0F & source[i]); |
50c2f7538 [CIFS] whitespace... |
2328 |
j += 2; |
1da177e4c Linux-2.6.12-rc2 |
2329 2330 2331 |
} } |
3eb9a8893 cifs: Allow bindi... |
2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 |
static int bind_socket(struct TCP_Server_Info *server) { int rc = 0; if (server->srcaddr.ss_family != AF_UNSPEC) { /* Bind to the specified local IP address */ struct socket *socket = server->ssocket; rc = socket->ops->bind(socket, (struct sockaddr *) &server->srcaddr, sizeof(server->srcaddr)); if (rc < 0) { struct sockaddr_in *saddr4; struct sockaddr_in6 *saddr6; saddr4 = (struct sockaddr_in *)&server->srcaddr; saddr6 = (struct sockaddr_in6 *)&server->srcaddr; if (saddr6->sin6_family == AF_INET6) cERROR(1, "cifs: " "Failed to bind to: %pI6c, error: %d ", &saddr6->sin6_addr, rc); else cERROR(1, "cifs: " "Failed to bind to: %pI4, error: %d ", &saddr4->sin_addr.s_addr, rc); } } return rc; } |
1da177e4c Linux-2.6.12-rc2 |
2361 2362 |
static int |
a9f1b85e5 CIFS: Simplify ip... |
2363 |
ip_rfc1001_connect(struct TCP_Server_Info *server) |
1da177e4c Linux-2.6.12-rc2 |
2364 2365 |
{ int rc = 0; |
a9f1b85e5 CIFS: Simplify ip... |
2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 |
/* * some servers require RFC1001 sessinit before sending * negprot - BB check reconnection in case where second * sessinit is sent but no second negprot */ struct rfc1002_session_packet *ses_init_buf; struct smb_hdr *smb_buf; ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL); if (ses_init_buf) { ses_init_buf->trailer.session_req.called_len = 32; if (server->server_RFC1001_name && server->server_RFC1001_name[0] != 0) rfc1002mangle(ses_init_buf->trailer. session_req.called_name, server->server_RFC1001_name, RFC1001_NAME_LEN_WITH_NULL); else rfc1002mangle(ses_init_buf->trailer. session_req.called_name, DEFAULT_CIFS_CALLED_NAME, RFC1001_NAME_LEN_WITH_NULL); ses_init_buf->trailer.session_req.calling_len = 32; /* * calling name ends in null (byte 16) from old smb * convention. */ if (server->workstation_RFC1001_name && server->workstation_RFC1001_name[0] != 0) rfc1002mangle(ses_init_buf->trailer. session_req.calling_name, server->workstation_RFC1001_name, RFC1001_NAME_LEN_WITH_NULL); else rfc1002mangle(ses_init_buf->trailer. session_req.calling_name, "LINUX_CIFS_CLNT", RFC1001_NAME_LEN_WITH_NULL); ses_init_buf->trailer.session_req.scope1 = 0; ses_init_buf->trailer.session_req.scope2 = 0; smb_buf = (struct smb_hdr *)ses_init_buf; /* sizeof RFC1002_SESSION_REQUEST with no scope */ |
be8e3b004 consistently use ... |
2413 |
smb_buf->smb_buf_length = cpu_to_be32(0x81000044); |
a9f1b85e5 CIFS: Simplify ip... |
2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 |
rc = smb_send(server, smb_buf, 0x44); kfree(ses_init_buf); /* * RFC1001 layer in at least one server * requires very short break before negprot * presumably because not expecting negprot * to follow so fast. This is a simple * solution that works without * complicating the code and causes no * significant slowing down on mount * for everyone else */ usleep_range(1000, 2000); } /* * else the negprot may still work without this * even though malloc failed */ return rc; } static int generic_ip_connect(struct TCP_Server_Info *server) { int rc = 0; |
6da979106 Elminate sparse _... |
2440 |
__be16 sport; |
a9f1b85e5 CIFS: Simplify ip... |
2441 |
int slen, sfamily; |
bcf4b1063 cifs: make ipv4_c... |
2442 |
struct socket *socket = server->ssocket; |
a9f1b85e5 CIFS: Simplify ip... |
2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 |
struct sockaddr *saddr; saddr = (struct sockaddr *) &server->dstaddr; if (server->dstaddr.ss_family == AF_INET6) { sport = ((struct sockaddr_in6 *) saddr)->sin6_port; slen = sizeof(struct sockaddr_in6); sfamily = AF_INET6; } else { sport = ((struct sockaddr_in *) saddr)->sin_port; slen = sizeof(struct sockaddr_in); sfamily = AF_INET; } |
1da177e4c Linux-2.6.12-rc2 |
2456 |
|
bcf4b1063 cifs: make ipv4_c... |
2457 |
if (socket == NULL) { |
f1d0c9986 Make CIFS mount w... |
2458 2459 |
rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM, IPPROTO_TCP, &socket, 1); |
1da177e4c Linux-2.6.12-rc2 |
2460 |
if (rc < 0) { |
b6b38f704 [CIFS] Neaten cER... |
2461 |
cERROR(1, "Error %d creating socket", rc); |
a9f1b85e5 CIFS: Simplify ip... |
2462 |
server->ssocket = NULL; |
1da177e4c Linux-2.6.12-rc2 |
2463 |
return rc; |
1da177e4c Linux-2.6.12-rc2 |
2464 |
} |
bcf4b1063 cifs: make ipv4_c... |
2465 2466 |
/* BB other socket options to set KEEPALIVE, NODELAY? */ |
b6b38f704 [CIFS] Neaten cER... |
2467 |
cFYI(1, "Socket created"); |
bcf4b1063 cifs: make ipv4_c... |
2468 2469 |
server->ssocket = socket; socket->sk->sk_allocation = GFP_NOFS; |
a9f1b85e5 CIFS: Simplify ip... |
2470 2471 2472 2473 |
if (sfamily == AF_INET6) cifs_reclassify_socket6(socket); else cifs_reclassify_socket4(socket); |
1da177e4c Linux-2.6.12-rc2 |
2474 |
} |
3eb9a8893 cifs: Allow bindi... |
2475 2476 2477 |
rc = bind_socket(server); if (rc < 0) return rc; |
bcf4b1063 cifs: make ipv4_c... |
2478 2479 |
/* * Eventually check for other socket options to change from |
a9f1b85e5 CIFS: Simplify ip... |
2480 2481 |
* the default. sock_setsockopt not used because it expects * user space buffer |
bcf4b1063 cifs: make ipv4_c... |
2482 2483 |
*/ socket->sk->sk_rcvtimeo = 7 * HZ; |
da505c386 [CIFS] Make socke... |
2484 |
socket->sk->sk_sndtimeo = 5 * HZ; |
edf1ae403 [CIFS] Reduce num... |
2485 |
|
b387eaeb6 [CIFS] Do not shr... |
2486 |
/* make the bufsizes depend on wsize/rsize and max requests */ |
bcf4b1063 cifs: make ipv4_c... |
2487 2488 2489 2490 2491 |
if (server->noautotune) { if (socket->sk->sk_sndbuf < (200 * 1024)) socket->sk->sk_sndbuf = 200 * 1024; if (socket->sk->sk_rcvbuf < (140 * 1024)) socket->sk->sk_rcvbuf = 140 * 1024; |
edf1ae403 [CIFS] Reduce num... |
2492 |
} |
1da177e4c Linux-2.6.12-rc2 |
2493 |
|
6a5fa2362 [CIFS] Add suppor... |
2494 |
if (server->tcp_nodelay) { |
a9f1b85e5 CIFS: Simplify ip... |
2495 |
int val = 1; |
6a5fa2362 [CIFS] Add suppor... |
2496 2497 2498 |
rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); if (rc) |
b6b38f704 [CIFS] Neaten cER... |
2499 |
cFYI(1, "set TCP_NODELAY socket option error %d", rc); |
6a5fa2362 [CIFS] Add suppor... |
2500 |
} |
b6b38f704 [CIFS] Neaten cER... |
2501 |
cFYI(1, "sndbuf %d rcvbuf %d rcvtimeo 0x%lx", |
bcf4b1063 cifs: make ipv4_c... |
2502 |
socket->sk->sk_sndbuf, |
b6b38f704 [CIFS] Neaten cER... |
2503 |
socket->sk->sk_rcvbuf, socket->sk->sk_rcvtimeo); |
bcf4b1063 cifs: make ipv4_c... |
2504 |
|
ee1b3ea9e cifs: set socket ... |
2505 2506 2507 2508 2509 2510 2511 |
rc = socket->ops->connect(socket, saddr, slen, 0); if (rc < 0) { cFYI(1, "Error %d connecting to server", rc); sock_release(socket); server->ssocket = NULL; return rc; } |
a9f1b85e5 CIFS: Simplify ip... |
2512 2513 |
if (sport == htons(RFC1001_PORT)) rc = ip_rfc1001_connect(server); |
50c2f7538 [CIFS] whitespace... |
2514 |
|
1da177e4c Linux-2.6.12-rc2 |
2515 2516 2517 2518 |
return rc; } static int |
a9f1b85e5 CIFS: Simplify ip... |
2519 |
ip_connect(struct TCP_Server_Info *server) |
1da177e4c Linux-2.6.12-rc2 |
2520 |
{ |
6da979106 Elminate sparse _... |
2521 |
__be16 *sport; |
a9f1b85e5 CIFS: Simplify ip... |
2522 2523 |
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; |
1da177e4c Linux-2.6.12-rc2 |
2524 |
|
a9f1b85e5 CIFS: Simplify ip... |
2525 2526 2527 2528 |
if (server->dstaddr.ss_family == AF_INET6) sport = &addr6->sin6_port; else sport = &addr->sin_port; |
1da177e4c Linux-2.6.12-rc2 |
2529 |
|
a9f1b85e5 CIFS: Simplify ip... |
2530 2531 |
if (*sport == 0) { int rc; |
1da177e4c Linux-2.6.12-rc2 |
2532 |
|
a9f1b85e5 CIFS: Simplify ip... |
2533 2534 |
/* try with 445 port at first */ *sport = htons(CIFS_PORT); |
3eb9a8893 cifs: Allow bindi... |
2535 |
|
a9f1b85e5 CIFS: Simplify ip... |
2536 |
rc = generic_ip_connect(server); |
1da177e4c Linux-2.6.12-rc2 |
2537 |
if (rc >= 0) |
a9f1b85e5 CIFS: Simplify ip... |
2538 |
return rc; |
6a5fa2362 [CIFS] Add suppor... |
2539 |
|
a9f1b85e5 CIFS: Simplify ip... |
2540 2541 |
/* if it failed, try with 139 port */ *sport = htons(RFC1001_PORT); |
6a5fa2362 [CIFS] Add suppor... |
2542 |
} |
a9f1b85e5 CIFS: Simplify ip... |
2543 |
return generic_ip_connect(server); |
1da177e4c Linux-2.6.12-rc2 |
2544 |
} |
96daf2b09 [CIFS] Rename thr... |
2545 |
void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, |
2c6292ae4 cifs: don't pass ... |
2546 |
struct cifs_sb_info *cifs_sb, struct smb_vol *vol_info) |
8af189715 [CIFS] on reconne... |
2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 |
{ /* if we are reconnecting then should we check to see if * any requested capabilities changed locally e.g. via * remount but we can not do much about it here * if they have (even if we could detect it by the following) * Perhaps we could add a backpointer to array of sb from tcon * or if we change to make all sb to same share the same * sb as NFS - then we only have one backpointer to sb. * What if we wanted to mount the server share twice once with * and once without posixacls or posix paths? */ __u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability); |
50c2f7538 [CIFS] whitespace... |
2558 |
|
c18c842b1 [CIFS] Allow disa... |
2559 2560 2561 |
if (vol_info && vol_info->no_linux_ext) { tcon->fsUnixInfo.Capability = 0; tcon->unix_ext = 0; /* Unix Extensions disabled */ |
b6b38f704 [CIFS] Neaten cER... |
2562 |
cFYI(1, "Linux protocol extensions disabled"); |
c18c842b1 [CIFS] Allow disa... |
2563 2564 2565 2566 2567 |
return; } else if (vol_info) tcon->unix_ext = 1; /* Unix Extensions supported */ if (tcon->unix_ext == 0) { |
b6b38f704 [CIFS] Neaten cER... |
2568 |
cFYI(1, "Unix extensions disabled so not set on reconnect"); |
c18c842b1 [CIFS] Allow disa... |
2569 2570 |
return; } |
50c2f7538 [CIFS] whitespace... |
2571 |
|
fb8c4b14d [CIFS] whitespace... |
2572 |
if (!CIFSSMBQFSUnixInfo(xid, tcon)) { |
8af189715 [CIFS] on reconne... |
2573 |
__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability); |
6848b7334 [CIFS] When manda... |
2574 |
cFYI(1, "unix caps which server supports %lld", cap); |
8af189715 [CIFS] on reconne... |
2575 2576 |
/* check for reconnect case in which we do not want to change the mount behavior if we can avoid it */ |
fb8c4b14d [CIFS] whitespace... |
2577 |
if (vol_info == NULL) { |
50c2f7538 [CIFS] whitespace... |
2578 |
/* turn off POSIX ACL and PATHNAMES if not set |
8af189715 [CIFS] on reconne... |
2579 2580 2581 |
originally at mount time */ if ((saved_cap & CIFS_UNIX_POSIX_ACL_CAP) == 0) cap &= ~CIFS_UNIX_POSIX_ACL_CAP; |
11b6d6450 [CIFS] Only conve... |
2582 2583 |
if ((saved_cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0) { if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2584 |
cERROR(1, "POSIXPATH support change"); |
8af189715 [CIFS] on reconne... |
2585 |
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP; |
11b6d6450 [CIFS] Only conve... |
2586 |
} else if ((cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0) { |
b6b38f704 [CIFS] Neaten cER... |
2587 2588 |
cERROR(1, "possible reconnect error"); cERROR(1, "server disabled POSIX path support"); |
11b6d6450 [CIFS] Only conve... |
2589 |
} |
8af189715 [CIFS] on reconne... |
2590 |
} |
50c2f7538 [CIFS] whitespace... |
2591 |
|
6848b7334 [CIFS] When manda... |
2592 2593 |
if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP) cERROR(1, "per-share encryption not supported yet"); |
8af189715 [CIFS] on reconne... |
2594 |
cap &= CIFS_UNIX_CAP_MASK; |
75865f8cc [CIFS] Add in som... |
2595 |
if (vol_info && vol_info->no_psx_acl) |
8af189715 [CIFS] on reconne... |
2596 |
cap &= ~CIFS_UNIX_POSIX_ACL_CAP; |
75865f8cc [CIFS] Add in som... |
2597 |
else if (CIFS_UNIX_POSIX_ACL_CAP & cap) { |
b6b38f704 [CIFS] Neaten cER... |
2598 |
cFYI(1, "negotiated posix acl support"); |
2c6292ae4 cifs: don't pass ... |
2599 2600 2601 |
if (cifs_sb) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIXACL; |
8af189715 [CIFS] on reconne... |
2602 |
} |
75865f8cc [CIFS] Add in som... |
2603 |
if (vol_info && vol_info->posix_paths == 0) |
8af189715 [CIFS] on reconne... |
2604 |
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP; |
75865f8cc [CIFS] Add in som... |
2605 |
else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) { |
b6b38f704 [CIFS] Neaten cER... |
2606 |
cFYI(1, "negotiate posix pathnames"); |
2c6292ae4 cifs: don't pass ... |
2607 2608 |
if (cifs_sb) cifs_sb->mnt_cifs_flags |= |
8af189715 [CIFS] on reconne... |
2609 2610 |
CIFS_MOUNT_POSIX_PATHS; } |
50c2f7538 [CIFS] whitespace... |
2611 |
|
2c6292ae4 cifs: don't pass ... |
2612 |
if (cifs_sb && (cifs_sb->rsize > 127 * 1024)) { |
75865f8cc [CIFS] Add in som... |
2613 |
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) { |
2c6292ae4 cifs: don't pass ... |
2614 |
cifs_sb->rsize = 127 * 1024; |
b6b38f704 [CIFS] Neaten cER... |
2615 |
cFYI(DBG2, "larger reads not supported by srv"); |
75865f8cc [CIFS] Add in som... |
2616 2617 |
} } |
50c2f7538 [CIFS] whitespace... |
2618 |
|
b6b38f704 [CIFS] Neaten cER... |
2619 |
cFYI(1, "Negotiate caps 0x%x", (int)cap); |
8af189715 [CIFS] on reconne... |
2620 |
#ifdef CONFIG_CIFS_DEBUG2 |
75865f8cc [CIFS] Add in som... |
2621 |
if (cap & CIFS_UNIX_FCNTL_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2622 |
cFYI(1, "FCNTL cap"); |
75865f8cc [CIFS] Add in som... |
2623 |
if (cap & CIFS_UNIX_EXTATTR_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2624 |
cFYI(1, "EXTATTR cap"); |
75865f8cc [CIFS] Add in som... |
2625 |
if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2626 |
cFYI(1, "POSIX path cap"); |
75865f8cc [CIFS] Add in som... |
2627 |
if (cap & CIFS_UNIX_XATTR_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2628 |
cFYI(1, "XATTR cap"); |
75865f8cc [CIFS] Add in som... |
2629 |
if (cap & CIFS_UNIX_POSIX_ACL_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2630 |
cFYI(1, "POSIX ACL cap"); |
75865f8cc [CIFS] Add in som... |
2631 |
if (cap & CIFS_UNIX_LARGE_READ_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2632 |
cFYI(1, "very large read cap"); |
75865f8cc [CIFS] Add in som... |
2633 |
if (cap & CIFS_UNIX_LARGE_WRITE_CAP) |
b6b38f704 [CIFS] Neaten cER... |
2634 |
cFYI(1, "very large write cap"); |
6848b7334 [CIFS] When manda... |
2635 2636 2637 2638 |
if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP) cFYI(1, "transport encryption cap"); if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP) cFYI(1, "mandatory transport encryption cap"); |
8af189715 [CIFS] on reconne... |
2639 2640 |
#endif /* CIFS_DEBUG2 */ if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) { |
442aa310f [CIFS] Support fo... |
2641 |
if (vol_info == NULL) { |
b6b38f704 [CIFS] Neaten cER... |
2642 |
cFYI(1, "resetting capabilities failed"); |
442aa310f [CIFS] Support fo... |
2643 |
} else |
b6b38f704 [CIFS] Neaten cER... |
2644 |
cERROR(1, "Negotiating Unix capabilities " |
5a44b3190 [CIFS] Add warnin... |
2645 2646 2647 2648 2649 |
"with the server failed. Consider " "mounting with the Unix Extensions " "disabled, if problems are found, " "by specifying the nounix mount " |
b6b38f704 [CIFS] Neaten cER... |
2650 |
"option."); |
5a44b3190 [CIFS] Add warnin... |
2651 |
|
8af189715 [CIFS] on reconne... |
2652 2653 2654 |
} } } |
724d9f1cf CIFS: Simplify mo... |
2655 2656 |
void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, struct cifs_sb_info *cifs_sb) |
b1c8d2b42 cifs: handle the ... |
2657 |
{ |
2de970ff6 cifs: implement r... |
2658 |
INIT_DELAYED_WORK(&cifs_sb->prune_tlinks, cifs_prune_tlinks); |
2ced6f693 cifs: initialize ... |
2659 2660 |
spin_lock_init(&cifs_sb->tlink_tree_lock); cifs_sb->tlink_tree = RB_ROOT; |
3b7952109 [CIFS] Fix cifs r... |
2661 |
if (pvolume_info->rsize > CIFSMaxBufSize) { |
b6b38f704 [CIFS] Neaten cER... |
2662 2663 |
cERROR(1, "rsize %d too large, using MaxBufSize", pvolume_info->rsize); |
3b7952109 [CIFS] Fix cifs r... |
2664 2665 2666 2667 2668 2669 |
cifs_sb->rsize = CIFSMaxBufSize; } else if ((pvolume_info->rsize) && (pvolume_info->rsize <= CIFSMaxBufSize)) cifs_sb->rsize = pvolume_info->rsize; else /* default */ cifs_sb->rsize = CIFSMaxBufSize; |
3b7952109 [CIFS] Fix cifs r... |
2670 2671 2672 |
if (cifs_sb->rsize < 2048) { cifs_sb->rsize = 2048; /* Windows ME may prefer this */ |
b6b38f704 [CIFS] Neaten cER... |
2673 |
cFYI(1, "readsize set to minimum: 2048"); |
3b7952109 [CIFS] Fix cifs r... |
2674 |
} |
25c7f41e9 CIFS: Migrate to ... |
2675 2676 2677 2678 2679 2680 2681 |
/* * Temporarily set wsize for matching superblock. If we end up using * new sb then cifs_negotiate_wsize will later negotiate it downward * if needed. */ cifs_sb->wsize = pvolume_info->wsize; |
3b7952109 [CIFS] Fix cifs r... |
2682 2683 2684 2685 |
cifs_sb->mnt_uid = pvolume_info->linux_uid; cifs_sb->mnt_gid = pvolume_info->linux_gid; cifs_sb->mnt_file_mode = pvolume_info->file_mode; cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; |
b6b38f704 [CIFS] Neaten cER... |
2686 2687 |
cFYI(1, "file mode: 0x%x dir mode: 0x%x", cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); |
3b7952109 [CIFS] Fix cifs r... |
2688 |
|
6d20e8406 cifs: add attribu... |
2689 |
cifs_sb->actimeo = pvolume_info->actimeo; |
724d9f1cf CIFS: Simplify mo... |
2690 |
cifs_sb->local_nls = pvolume_info->local_nls; |
6d20e8406 cifs: add attribu... |
2691 |
|
3b7952109 [CIFS] Fix cifs r... |
2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 |
if (pvolume_info->noperm) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM; if (pvolume_info->setuids) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID; if (pvolume_info->server_ino) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM; if (pvolume_info->remap) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR; if (pvolume_info->no_xattr) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR; if (pvolume_info->sfu_emul) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL; if (pvolume_info->nobrl) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL; |
be652445f [CIFS] Add new no... |
2706 |
if (pvolume_info->nostrictsync) |
4717bed68 [CIFS] fix build ... |
2707 |
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOSSYNC; |
13a6e42af [CIFS] add mount ... |
2708 2709 |
if (pvolume_info->mand_lock) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOPOSIXBRL; |
d4ffff1fa CIFS: Add rwpidfo... |
2710 2711 |
if (pvolume_info->rwpidforward) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD; |
3b7952109 [CIFS] Fix cifs r... |
2712 2713 2714 2715 2716 2717 2718 2719 |
if (pvolume_info->cifs_acl) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL; if (pvolume_info->override_uid) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID; if (pvolume_info->override_gid) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID; if (pvolume_info->dynperm) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM; |
fa1df75d4 cifs: add mount o... |
2720 2721 |
if (pvolume_info->fsc) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE; |
0eb8a132c cifs: add "multiu... |
2722 2723 2724 |
if (pvolume_info->multiuser) cifs_sb->mnt_cifs_flags |= (CIFS_MOUNT_MULTIUSER | CIFS_MOUNT_NO_PERM); |
d39454ffe CIFS: Add strictc... |
2725 2726 |
if (pvolume_info->strict_io) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_STRICT_IO; |
3b7952109 [CIFS] Fix cifs r... |
2727 |
if (pvolume_info->direct_io) { |
b6b38f704 [CIFS] Neaten cER... |
2728 |
cFYI(1, "mounting share using direct i/o"); |
3b7952109 [CIFS] Fix cifs r... |
2729 2730 |
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO; } |
736a33205 cifs: add "mfsyml... |
2731 2732 2733 2734 2735 2736 2737 2738 |
if (pvolume_info->mfsymlinks) { if (pvolume_info->sfu_emul) { cERROR(1, "mount option mfsymlinks ignored if sfu " "mount option is used"); } else { cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MF_SYMLINKS; } } |
3b7952109 [CIFS] Fix cifs r... |
2739 2740 |
if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm)) |
b6b38f704 [CIFS] Neaten cER... |
2741 2742 |
cERROR(1, "mount option dynperm ignored if cifsacl " "mount option supported"); |
b1c8d2b42 cifs: handle the ... |
2743 |
} |
f7910cbd9 cifs: clean up ws... |
2744 2745 |
/* * When the server supports very large writes via POSIX extensions, we can |
1190f6a06 cifs: fix wsize n... |
2746 2747 |
* allow up to 2^24-1, minus the size of a WRITE_AND_X header, not including * the RFC1001 length. |
f7910cbd9 cifs: clean up ws... |
2748 2749 |
* * Note that this might make for "interesting" allocation problems during |
1190f6a06 cifs: fix wsize n... |
2750 2751 |
* writeback however as we have to allocate an array of pointers for the * pages. A 16M write means ~32kb page array with PAGE_CACHE_SIZE == 4096. |
f7910cbd9 cifs: clean up ws... |
2752 |
*/ |
1190f6a06 cifs: fix wsize n... |
2753 |
#define CIFS_MAX_WSIZE ((1<<24) - 1 - sizeof(WRITE_REQ) + 4) |
f7910cbd9 cifs: clean up ws... |
2754 2755 |
/* |
1190f6a06 cifs: fix wsize n... |
2756 2757 2758 |
* When the server doesn't allow large posix writes, only allow a wsize of * 128k minus the size of the WRITE_AND_X header. That allows for a write up * to the maximum size described by RFC1002. |
f7910cbd9 cifs: clean up ws... |
2759 |
*/ |
1190f6a06 cifs: fix wsize n... |
2760 |
#define CIFS_MAX_RFC1002_WSIZE (128 * 1024 - sizeof(WRITE_REQ) + 4) |
f7910cbd9 cifs: clean up ws... |
2761 2762 2763 2764 2765 2766 2767 2768 2769 |
/* * The default wsize is 1M. find_get_pages seems to return a maximum of 256 * pages in a single call. With PAGE_CACHE_SIZE == 4k, this means we can fill * a single wsize request with a single call. */ #define CIFS_DEFAULT_WSIZE (1024 * 1024) static unsigned int |
96daf2b09 [CIFS] Rename thr... |
2770 |
cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) |
f7910cbd9 cifs: clean up ws... |
2771 2772 2773 2774 2775 2776 2777 2778 |
{ __u64 unix_cap = le64_to_cpu(tcon->fsUnixInfo.Capability); struct TCP_Server_Info *server = tcon->ses->server; unsigned int wsize = pvolume_info->wsize ? pvolume_info->wsize : CIFS_DEFAULT_WSIZE; /* can server support 24-bit write sizes? (via UNIX extensions) */ if (!tcon->unix_ext || !(unix_cap & CIFS_UNIX_LARGE_WRITE_CAP)) |
1190f6a06 cifs: fix wsize n... |
2779 |
wsize = min_t(unsigned int, wsize, CIFS_MAX_RFC1002_WSIZE); |
f7910cbd9 cifs: clean up ws... |
2780 |
|
1190f6a06 cifs: fix wsize n... |
2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 |
/* * no CAP_LARGE_WRITE_X or is signing enabled without CAP_UNIX set? * Limit it to max buffer offered by the server, minus the size of the * WRITEX header, not including the 4 byte RFC1001 length. */ if (!(server->capabilities & CAP_LARGE_WRITE_X) || (!(server->capabilities & CAP_UNIX) && (server->sec_mode & (SECMODE_SIGN_ENABLED|SECMODE_SIGN_REQUIRED)))) wsize = min_t(unsigned int, wsize, server->maxBuf - sizeof(WRITE_REQ) + 4); |
f7910cbd9 cifs: clean up ws... |
2791 2792 2793 2794 2795 2796 |
/* hard limit of CIFS_MAX_WSIZE */ wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE); return wsize; } |
e4cce94c9 [CIFS] Prevent OO... |
2797 |
static int |
96daf2b09 [CIFS] Rename thr... |
2798 |
is_path_accessible(int xid, struct cifs_tcon *tcon, |
e4cce94c9 [CIFS] Prevent OO... |
2799 2800 2801 |
struct cifs_sb_info *cifs_sb, const char *full_path) { int rc; |
e4cce94c9 [CIFS] Prevent OO... |
2802 |
FILE_ALL_INFO *pfile_info; |
e4cce94c9 [CIFS] Prevent OO... |
2803 2804 2805 2806 2807 2808 2809 2810 |
pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); if (pfile_info == NULL) return -ENOMEM; rc = CIFSSMBQPathInfo(xid, tcon, full_path, pfile_info, 0 /* not legacy */, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); |
221d1d797 cifs: add fallbac... |
2811 2812 2813 2814 2815 |
if (rc == -EOPNOTSUPP || rc == -EINVAL) rc = SMBQueryInformation(xid, tcon, full_path, pfile_info, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); |
e4cce94c9 [CIFS] Prevent OO... |
2816 2817 2818 |
kfree(pfile_info); return rc; } |
b9bce2e9f cifs: fix expand_... |
2819 2820 |
static void cleanup_volume_info_contents(struct smb_vol *volume_info) |
1bfe73c25 Remote DFS root s... |
2821 |
{ |
b946845a9 cifs: cifs_parse_... |
2822 |
kfree(volume_info->username); |
1bfe73c25 Remote DFS root s... |
2823 2824 |
kzfree(volume_info->password); kfree(volume_info->UNC); |
13589c437 [CIFS] possible m... |
2825 2826 |
if (volume_info->UNCip != volume_info->UNC + 2) kfree(volume_info->UNCip); |
b946845a9 cifs: cifs_parse_... |
2827 2828 |
kfree(volume_info->domainname); kfree(volume_info->iocharset); |
1bfe73c25 Remote DFS root s... |
2829 |
kfree(volume_info->prepath); |
b9bce2e9f cifs: fix expand_... |
2830 2831 2832 2833 2834 2835 2836 2837 |
} void cifs_cleanup_volume_info(struct smb_vol *volume_info) { if (!volume_info) return; cleanup_volume_info_contents(volume_info); |
1bfe73c25 Remote DFS root s... |
2838 |
kfree(volume_info); |
1bfe73c25 Remote DFS root s... |
2839 |
} |
b9bce2e9f cifs: fix expand_... |
2840 |
|
2d6d589d8 [CIFS] remove som... |
2841 |
#ifdef CONFIG_CIFS_DFS_UPCALL |
1bfe73c25 Remote DFS root s... |
2842 2843 2844 |
/* build_path_to_root returns full path to root when * we do not have an exiting connection (tcon) */ static char * |
b2a0fa152 cifs: fix build_u... |
2845 |
build_unc_path_to_root(const struct smb_vol *vol, |
1bfe73c25 Remote DFS root s... |
2846 2847 |
const struct cifs_sb_info *cifs_sb) { |
b2a0fa152 cifs: fix build_u... |
2848 2849 2850 |
char *full_path, *pos; unsigned int pplen = vol->prepath ? strlen(vol->prepath) : 0; unsigned int unc_len = strnlen(vol->UNC, MAX_TREE_SIZE + 1); |
1bfe73c25 Remote DFS root s... |
2851 |
|
b2a0fa152 cifs: fix build_u... |
2852 |
full_path = kmalloc(unc_len + pplen + 1, GFP_KERNEL); |
1bfe73c25 Remote DFS root s... |
2853 2854 |
if (full_path == NULL) return ERR_PTR(-ENOMEM); |
b2a0fa152 cifs: fix build_u... |
2855 2856 2857 2858 2859 2860 2861 2862 2863 |
strncpy(full_path, vol->UNC, unc_len); pos = full_path + unc_len; if (pplen) { strncpy(pos, vol->prepath, pplen); pos += pplen; } *pos = '\0'; /* add trailing null */ |
f87d39d95 [CIFS] Migrate fr... |
2864 |
convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb)); |
b2a0fa152 cifs: fix build_u... |
2865 |
cFYI(1, "%s: full_path=%s", __func__, full_path); |
1bfe73c25 Remote DFS root s... |
2866 2867 |
return full_path; } |
dd6139458 cifs: Extract DFS... |
2868 2869 2870 2871 |
/* * Perform a dfs referral query for a share and (optionally) prefix * |
046462abc cifs: Simplify ha... |
2872 2873 2874 |
* If a referral is found, cifs_sb->mountdata will be (re-)allocated * to a string containing updated options for the submount. Otherwise it * will be left untouched. |
dd6139458 cifs: Extract DFS... |
2875 2876 2877 2878 2879 |
* * Returns the rc from get_dfs_path to the caller, which can be used to * determine whether there were referrals. */ static int |
96daf2b09 [CIFS] Rename thr... |
2880 |
expand_dfs_referral(int xid, struct cifs_ses *pSesInfo, |
dd6139458 cifs: Extract DFS... |
2881 |
struct smb_vol *volume_info, struct cifs_sb_info *cifs_sb, |
046462abc cifs: Simplify ha... |
2882 |
int check_prefix) |
dd6139458 cifs: Extract DFS... |
2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 |
{ int rc; unsigned int num_referrals = 0; struct dfs_info3_param *referrals = NULL; char *full_path = NULL, *ref_path = NULL, *mdata = NULL; full_path = build_unc_path_to_root(volume_info, cifs_sb); if (IS_ERR(full_path)) return PTR_ERR(full_path); /* For DFS paths, skip the first '\' of the UNC */ ref_path = check_prefix ? full_path + 1 : volume_info->UNC + 1; rc = get_dfs_path(xid, pSesInfo , ref_path, cifs_sb->local_nls, &num_referrals, &referrals, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (!rc && num_referrals > 0) { char *fake_devname = NULL; mdata = cifs_compose_mount_options(cifs_sb->mountdata, full_path + 1, referrals, &fake_devname); free_dfs_info_array(referrals, num_referrals); |
046462abc cifs: Simplify ha... |
2908 |
|
dd6139458 cifs: Extract DFS... |
2909 2910 2911 |
if (IS_ERR(mdata)) { rc = PTR_ERR(mdata); mdata = NULL; |
b9bce2e9f cifs: fix expand_... |
2912 2913 2914 2915 2916 |
} else { cleanup_volume_info_contents(volume_info); memset(volume_info, '\0', sizeof(*volume_info)); rc = cifs_setup_volume_info(volume_info, mdata, fake_devname); |
dd6139458 cifs: Extract DFS... |
2917 |
} |
b9bce2e9f cifs: fix expand_... |
2918 2919 |
kfree(fake_devname); kfree(cifs_sb->mountdata); |
046462abc cifs: Simplify ha... |
2920 |
cifs_sb->mountdata = mdata; |
dd6139458 cifs: Extract DFS... |
2921 2922 2923 2924 |
} kfree(full_path); return rc; } |
2d6d589d8 [CIFS] remove som... |
2925 |
#endif |
1bfe73c25 Remote DFS root s... |
2926 |
|
04db79b01 cifs: factor smb_... |
2927 2928 2929 |
static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, const char *devname) |
1da177e4c Linux-2.6.12-rc2 |
2930 |
{ |
724d9f1cf CIFS: Simplify mo... |
2931 |
int rc = 0; |
1da177e4c Linux-2.6.12-rc2 |
2932 |
|
04db79b01 cifs: factor smb_... |
2933 2934 |
if (cifs_parse_mount_options(mount_data, devname, volume_info)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2935 |
|
7586b7658 cifs: don't decla... |
2936 |
if (volume_info->nullauth) { |
b6b38f704 [CIFS] Neaten cER... |
2937 |
cFYI(1, "null user"); |
446b23a75 CIFS: Fix problem... |
2938 |
volume_info->username = kzalloc(1, GFP_KERNEL); |
04db79b01 cifs: factor smb_... |
2939 2940 |
if (volume_info->username == NULL) return -ENOMEM; |
7586b7658 cifs: don't decla... |
2941 |
} else if (volume_info->username) { |
1da177e4c Linux-2.6.12-rc2 |
2942 |
/* BB fixme parse for domain name here */ |
b6b38f704 [CIFS] Neaten cER... |
2943 |
cFYI(1, "Username: %s", volume_info->username); |
1da177e4c Linux-2.6.12-rc2 |
2944 |
} else { |
bf8206791 [CIFS] Kerberos a... |
2945 |
cifserror("No username specified"); |
50c2f7538 [CIFS] whitespace... |
2946 2947 |
/* In userspace mount helper we can get user name from alternate locations such as env variables and files on disk */ |
04db79b01 cifs: factor smb_... |
2948 |
return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2949 |
} |
1da177e4c Linux-2.6.12-rc2 |
2950 |
/* this is needed for ASCII cp to Unicode converts */ |
7586b7658 cifs: don't decla... |
2951 |
if (volume_info->iocharset == NULL) { |
a5fc4ce01 cifs: track local... |
2952 2953 |
/* load_nls_default cannot return null */ volume_info->local_nls = load_nls_default(); |
1da177e4c Linux-2.6.12-rc2 |
2954 |
} else { |
a5fc4ce01 cifs: track local... |
2955 2956 |
volume_info->local_nls = load_nls(volume_info->iocharset); if (volume_info->local_nls == NULL) { |
b6b38f704 [CIFS] Neaten cER... |
2957 2958 |
cERROR(1, "CIFS mount error: iocharset %s not found", volume_info->iocharset); |
04db79b01 cifs: factor smb_... |
2959 |
return -ELIBACC; |
1da177e4c Linux-2.6.12-rc2 |
2960 2961 |
} } |
724d9f1cf CIFS: Simplify mo... |
2962 |
|
724d9f1cf CIFS: Simplify mo... |
2963 2964 |
return rc; } |
04db79b01 cifs: factor smb_... |
2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 |
struct smb_vol * cifs_get_volume_info(char *mount_data, const char *devname) { int rc; struct smb_vol *volume_info; volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL); if (!volume_info) return ERR_PTR(-ENOMEM); rc = cifs_setup_volume_info(volume_info, mount_data, devname); if (rc) { cifs_cleanup_volume_info(volume_info); volume_info = ERR_PTR(rc); } return volume_info; } |
724d9f1cf CIFS: Simplify mo... |
2983 |
int |
2c6292ae4 cifs: don't pass ... |
2984 |
cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) |
724d9f1cf CIFS: Simplify mo... |
2985 2986 2987 |
{ int rc = 0; int xid; |
96daf2b09 [CIFS] Rename thr... |
2988 2989 |
struct cifs_ses *pSesInfo; struct cifs_tcon *tcon; |
724d9f1cf CIFS: Simplify mo... |
2990 2991 2992 2993 2994 |
struct TCP_Server_Info *srvTcp; char *full_path; struct tcon_link *tlink; #ifdef CONFIG_CIFS_DFS_UPCALL int referral_walks_count = 0; |
20547490c cifs: move bdi_se... |
2995 |
#endif |
dd8544661 take bdi setup/de... |
2996 2997 2998 2999 3000 3001 |
rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY); if (rc) return rc; cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages; |
20547490c cifs: move bdi_se... |
3002 |
#ifdef CONFIG_CIFS_DFS_UPCALL |
724d9f1cf CIFS: Simplify mo... |
3003 3004 3005 3006 3007 3008 3009 |
try_mount_again: /* cleanup activities if we're chasing a referral */ if (referral_walks_count) { if (tcon) cifs_put_tcon(tcon); else if (pSesInfo) cifs_put_smb_ses(pSesInfo); |
724d9f1cf CIFS: Simplify mo... |
3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 |
FreeXid(xid); } #endif tcon = NULL; pSesInfo = NULL; srvTcp = NULL; full_path = NULL; tlink = NULL; xid = GetXid(); |
1da177e4c Linux-2.6.12-rc2 |
3020 |
|
63c038c29 cifs: move alloca... |
3021 |
/* get a reference to a tcp session */ |
7586b7658 cifs: don't decla... |
3022 |
srvTcp = cifs_get_tcp_session(volume_info); |
63c038c29 cifs: move alloca... |
3023 3024 |
if (IS_ERR(srvTcp)) { rc = PTR_ERR(srvTcp); |
dd8544661 take bdi setup/de... |
3025 |
bdi_destroy(&cifs_sb->bdi); |
63c038c29 cifs: move alloca... |
3026 |
goto out; |
1da177e4c Linux-2.6.12-rc2 |
3027 |
} |
36988c76f cifs: move SMB se... |
3028 3029 3030 3031 3032 3033 |
/* get a reference to a SMB session */ pSesInfo = cifs_get_smb_ses(srvTcp, volume_info); if (IS_ERR(pSesInfo)) { rc = PTR_ERR(pSesInfo); pSesInfo = NULL; goto mount_fail_check; |
1da177e4c Linux-2.6.12-rc2 |
3034 |
} |
50c2f7538 [CIFS] whitespace... |
3035 |
|
d00c28de5 cifs: move tcon f... |
3036 3037 3038 3039 3040 |
/* search for existing tcon to this server share */ tcon = cifs_get_tcon(pSesInfo, volume_info); if (IS_ERR(tcon)) { rc = PTR_ERR(tcon); tcon = NULL; |
1bfe73c25 Remote DFS root s... |
3041 |
goto remote_path_check; |
d00c28de5 cifs: move tcon f... |
3042 |
} |
1bfe73c25 Remote DFS root s... |
3043 |
|
d82c2df54 [CIFS] minor clea... |
3044 |
/* tell server which Unix caps we support */ |
6848b7334 [CIFS] When manda... |
3045 |
if (tcon->ses->capabilities & CAP_UNIX) { |
d82c2df54 [CIFS] minor clea... |
3046 3047 |
/* reset of caps checks mount to see if unix extensions disabled for just this mount */ |
2c6292ae4 cifs: don't pass ... |
3048 |
reset_cifs_unix_caps(xid, tcon, cifs_sb, volume_info); |
6848b7334 [CIFS] When manda... |
3049 3050 3051 3052 3053 3054 3055 |
if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && (le64_to_cpu(tcon->fsUnixInfo.Capability) & CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP)) { rc = -EACCES; goto mount_fail_check; } } else |
d82c2df54 [CIFS] minor clea... |
3056 |
tcon->unix_ext = 0; /* server does not support them */ |
c18c842b1 [CIFS] Allow disa... |
3057 |
|
6848b7334 [CIFS] When manda... |
3058 3059 3060 3061 3062 |
/* do not care if following two calls succeed - informational */ if (!tcon->ipc) { CIFSSMBQFSDeviceInfo(xid, tcon); CIFSSMBQFSAttributeInfo(xid, tcon); } |
d82c2df54 [CIFS] minor clea... |
3063 3064 |
if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) { cifs_sb->rsize = 1024 * 127; |
b6b38f704 [CIFS] Neaten cER... |
3065 |
cFYI(DBG2, "no very large read support, rsize now 127K"); |
1da177e4c Linux-2.6.12-rc2 |
3066 |
} |
d82c2df54 [CIFS] minor clea... |
3067 3068 3069 |
if (!(tcon->ses->capabilities & CAP_LARGE_READ_X)) cifs_sb->rsize = min(cifs_sb->rsize, (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE)); |
1da177e4c Linux-2.6.12-rc2 |
3070 |
|
f7910cbd9 cifs: clean up ws... |
3071 |
cifs_sb->wsize = cifs_negotiate_wsize(tcon, volume_info); |
1bfe73c25 Remote DFS root s... |
3072 |
remote_path_check: |
c1508ca23 cifs: Add support... |
3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 |
#ifdef CONFIG_CIFS_DFS_UPCALL /* * Perform an unconditional check for whether there are DFS * referrals for this path without prefix, to provide support * for DFS referrals from w2k8 servers which don't seem to respond * with PATH_NOT_COVERED to requests that include the prefix. * Chase the referral if found, otherwise continue normally. */ if (referral_walks_count == 0) { int refrc = expand_dfs_referral(xid, pSesInfo, volume_info, |
046462abc cifs: Simplify ha... |
3083 |
cifs_sb, false); |
c1508ca23 cifs: Add support... |
3084 3085 3086 3087 3088 3089 |
if (!refrc) { referral_walks_count++; goto try_mount_again; } } #endif |
f87d39d95 [CIFS] Migrate fr... |
3090 |
/* check if a whole path is not remote */ |
709456437 cifs: always do i... |
3091 |
if (!rc && tcon) { |
e4cce94c9 [CIFS] Prevent OO... |
3092 |
/* build_path_to_root works only when we have a valid tcon */ |
f87d39d95 [CIFS] Migrate fr... |
3093 |
full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon); |
e4cce94c9 [CIFS] Prevent OO... |
3094 3095 3096 3097 3098 |
if (full_path == NULL) { rc = -ENOMEM; goto mount_fail_check; } rc = is_path_accessible(xid, tcon, cifs_sb, full_path); |
03ceace5c cifs: fix check o... |
3099 |
if (rc != 0 && rc != -EREMOTE) { |
e4cce94c9 [CIFS] Prevent OO... |
3100 3101 3102 3103 3104 |
kfree(full_path); goto mount_fail_check; } kfree(full_path); } |
1bfe73c25 Remote DFS root s... |
3105 3106 |
/* get referral if needed */ if (rc == -EREMOTE) { |
d036f50fc [CIFS] Fix build ... |
3107 |
#ifdef CONFIG_CIFS_DFS_UPCALL |
5c2503a8e Added loop check ... |
3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 |
if (referral_walks_count > MAX_NESTED_LINKS) { /* * BB: when we implement proper loop detection, * we will remove this check. But now we need it * to prevent an indefinite loop if 'DFS tree' is * misconfigured (i.e. has loops). */ rc = -ELOOP; goto mount_fail_check; } |
1bfe73c25 Remote DFS root s... |
3118 |
|
dd6139458 cifs: Extract DFS... |
3119 |
rc = expand_dfs_referral(xid, pSesInfo, volume_info, cifs_sb, |
046462abc cifs: Simplify ha... |
3120 |
true); |
7b91e2661 cifs: fix error h... |
3121 |
|
dd6139458 cifs: Extract DFS... |
3122 |
if (!rc) { |
5c2503a8e Added loop check ... |
3123 |
referral_walks_count++; |
1bfe73c25 Remote DFS root s... |
3124 3125 |
goto try_mount_again; } |
dd6139458 cifs: Extract DFS... |
3126 |
goto mount_fail_check; |
d036f50fc [CIFS] Fix build ... |
3127 3128 3129 |
#else /* No DFS support, return error on mount */ rc = -EOPNOTSUPP; #endif |
1bfe73c25 Remote DFS root s... |
3130 |
} |
9d002df49 cifs: add routine... |
3131 3132 3133 3134 3135 3136 3137 3138 3139 |
if (rc) goto mount_fail_check; /* now, hang the tcon off of the superblock */ tlink = kzalloc(sizeof *tlink, GFP_KERNEL); if (tlink == NULL) { rc = -ENOMEM; goto mount_fail_check; } |
b647c35f7 cifs: convert tli... |
3140 |
tlink->tl_uid = pSesInfo->linux_uid; |
9d002df49 cifs: add routine... |
3141 3142 3143 3144 |
tlink->tl_tcon = tcon; tlink->tl_time = jiffies; set_bit(TCON_LINK_MASTER, &tlink->tl_flags); set_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); |
b647c35f7 cifs: convert tli... |
3145 |
cifs_sb->master_tlink = tlink; |
9d002df49 cifs: add routine... |
3146 |
spin_lock(&cifs_sb->tlink_tree_lock); |
b647c35f7 cifs: convert tli... |
3147 |
tlink_rb_insert(&cifs_sb->tlink_tree, tlink); |
9d002df49 cifs: add routine... |
3148 |
spin_unlock(&cifs_sb->tlink_tree_lock); |
413e661c1 cifs: store point... |
3149 |
|
2de970ff6 cifs: implement r... |
3150 3151 |
queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); |
1bfe73c25 Remote DFS root s... |
3152 3153 3154 |
mount_fail_check: /* on error free sesinfo and tcon struct if needed */ if (rc) { |
1bfe73c25 Remote DFS root s... |
3155 |
/* If find_unc succeeded then rc == 0 so we can not end */ |
25985edce Fix common misspe... |
3156 |
/* up accidentally freeing someone elses tcon struct */ |
1bfe73c25 Remote DFS root s... |
3157 3158 3159 3160 3161 3162 |
if (tcon) cifs_put_tcon(tcon); else if (pSesInfo) cifs_put_smb_ses(pSesInfo); else cifs_put_tcp_session(srvTcp); |
dd8544661 take bdi setup/de... |
3163 |
bdi_destroy(&cifs_sb->bdi); |
1bfe73c25 Remote DFS root s... |
3164 |
} |
70fe7dc05 [CIFS] clean up e... |
3165 |
out: |
1da177e4c Linux-2.6.12-rc2 |
3166 3167 3168 |
FreeXid(xid); return rc; } |
8d1bca328 cifs: correctly h... |
3169 3170 3171 3172 |
/* * Issue a TREE_CONNECT request. Note that for IPC$ shares, that the tcon * pointer may be NULL. */ |
1da177e4c Linux-2.6.12-rc2 |
3173 |
int |
96daf2b09 [CIFS] Rename thr... |
3174 3175 |
CIFSTCon(unsigned int xid, struct cifs_ses *ses, const char *tree, struct cifs_tcon *tcon, |
1da177e4c Linux-2.6.12-rc2 |
3176 3177 3178 3179 3180 3181 3182 3183 |
const struct nls_table *nls_codepage) { struct smb_hdr *smb_buffer; struct smb_hdr *smb_buffer_response; TCONX_REQ *pSMB; TCONX_RSP *pSMBr; unsigned char *bcc_ptr; int rc = 0; |
690c522fa cifs: use get/put... |
3184 3185 |
int length; __u16 bytes_left, count; |
1da177e4c Linux-2.6.12-rc2 |
3186 3187 3188 3189 3190 |
if (ses == NULL) return -EIO; smb_buffer = cifs_buf_get(); |
ca43e3bee [CIFS] Fix checkp... |
3191 |
if (smb_buffer == NULL) |
1da177e4c Linux-2.6.12-rc2 |
3192 |
return -ENOMEM; |
ca43e3bee [CIFS] Fix checkp... |
3193 |
|
1da177e4c Linux-2.6.12-rc2 |
3194 3195 3196 3197 |
smb_buffer_response = smb_buffer; header_assemble(smb_buffer, SMB_COM_TREE_CONNECT_ANDX, NULL /*no tid */ , 4 /*wct */ ); |
1982c344f [CIFS] Ensure tha... |
3198 3199 |
smb_buffer->Mid = GetNextMid(ses->server); |
1da177e4c Linux-2.6.12-rc2 |
3200 3201 3202 3203 3204 3205 |
smb_buffer->Uid = ses->Suid; pSMB = (TCONX_REQ *) smb_buffer; pSMBr = (TCONX_RSP *) smb_buffer_response; pSMB->AndXCommand = 0xFF; pSMB->Flags = cpu_to_le16(TCON_EXTENDED_SECINFO); |
1da177e4c Linux-2.6.12-rc2 |
3206 |
bcc_ptr = &pSMB->Password[0]; |
8d1bca328 cifs: correctly h... |
3207 |
if (!tcon || (ses->server->sec_mode & SECMODE_USER)) { |
eeac8047f [CIFS] Fix CIFS t... |
3208 |
pSMB->PasswordLength = cpu_to_le16(1); /* minimum */ |
7c7b25bc8 [CIFS] Support fo... |
3209 |
*bcc_ptr = 0; /* password is null byte */ |
eeac8047f [CIFS] Fix CIFS t... |
3210 |
bcc_ptr++; /* skip password */ |
7c7b25bc8 [CIFS] Support fo... |
3211 |
/* already aligned so no need to do it below */ |
eeac8047f [CIFS] Fix CIFS t... |
3212 |
} else { |
540b2e377 cifs: Fix regress... |
3213 |
pSMB->PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE); |
eeac8047f [CIFS] Fix CIFS t... |
3214 3215 3216 |
/* BB FIXME add code to fail this if NTLMv2 or Kerberos specified as required (when that support is added to the vfs in the future) as only NTLM or the much |
7c7b25bc8 [CIFS] Support fo... |
3217 |
weaker LANMAN (which we do not send by default) is accepted |
eeac8047f [CIFS] Fix CIFS t... |
3218 3219 |
by Samba (not sure whether other servers allow NTLMv2 password here) */ |
7c7b25bc8 [CIFS] Support fo... |
3220 |
#ifdef CONFIG_CIFS_WEAK_PW_HASH |
04912d6a2 cifs: rename "ext... |
3221 |
if ((global_secflags & CIFSSEC_MAY_LANMAN) && |
00e485b01 cifs: store passw... |
3222 |
(ses->server->secType == LANMAN)) |
d3ba50b17 NTLM auth and sig... |
3223 |
calc_lanman_hash(tcon->password, ses->server->cryptkey, |
96daf2b09 [CIFS] Rename thr... |
3224 |
ses->server->sec_mode & |
4e53a3fb9 cifs: have calc_l... |
3225 3226 |
SECMODE_PW_ENCRYPT ? true : false, bcc_ptr); |
7c7b25bc8 [CIFS] Support fo... |
3227 3228 |
else #endif /* CIFS_WEAK_PW_HASH */ |
ee2c92585 cifs: More crypto... |
3229 3230 |
rc = SMBNTencrypt(tcon->password, ses->server->cryptkey, bcc_ptr); |
eeac8047f [CIFS] Fix CIFS t... |
3231 |
|
540b2e377 cifs: Fix regress... |
3232 |
bcc_ptr += CIFS_AUTH_RESP_SIZE; |
fb8c4b14d [CIFS] whitespace... |
3233 |
if (ses->capabilities & CAP_UNICODE) { |
7c7b25bc8 [CIFS] Support fo... |
3234 3235 3236 3237 |
/* must align unicode strings */ *bcc_ptr = 0; /* null byte password */ bcc_ptr++; } |
eeac8047f [CIFS] Fix CIFS t... |
3238 |
} |
1da177e4c Linux-2.6.12-rc2 |
3239 |
|
96daf2b09 [CIFS] Rename thr... |
3240 |
if (ses->server->sec_mode & |
a878fb221 [CIFS] Do not lim... |
3241 |
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) |
1da177e4c Linux-2.6.12-rc2 |
3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 |
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; if (ses->capabilities & CAP_STATUS32) { smb_buffer->Flags2 |= SMBFLG2_ERR_STATUS; } if (ses->capabilities & CAP_DFS) { smb_buffer->Flags2 |= SMBFLG2_DFS; } if (ses->capabilities & CAP_UNICODE) { smb_buffer->Flags2 |= SMBFLG2_UNICODE; length = |
50c2f7538 [CIFS] whitespace... |
3253 3254 |
cifs_strtoUCS((__le16 *) bcc_ptr, tree, 6 /* max utf8 char length in bytes */ * |
a878fb221 [CIFS] Do not lim... |
3255 3256 |
(/* server len*/ + 256 /* share len */), nls_codepage); bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */ |
1da177e4c Linux-2.6.12-rc2 |
3257 3258 |
bcc_ptr += 2; /* skip trailing null */ } else { /* ASCII */ |
1da177e4c Linux-2.6.12-rc2 |
3259 3260 3261 3262 3263 3264 3265 |
strcpy(bcc_ptr, tree); bcc_ptr += strlen(tree) + 1; } strcpy(bcc_ptr, "?????"); bcc_ptr += strlen("?????"); bcc_ptr += 1; count = bcc_ptr - &pSMB->Password[0]; |
be8e3b004 consistently use ... |
3266 3267 |
pSMB->hdr.smb_buf_length = cpu_to_be32(be32_to_cpu( pSMB->hdr.smb_buf_length) + count); |
1da177e4c Linux-2.6.12-rc2 |
3268 |
pSMB->ByteCount = cpu_to_le16(count); |
133672efb [CIFS] Fix buffer... |
3269 |
rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, &length, |
7749981ec cifs: remove code... |
3270 |
0); |
1da177e4c Linux-2.6.12-rc2 |
3271 |
|
1da177e4c Linux-2.6.12-rc2 |
3272 3273 |
/* above now done in SendReceive */ if ((rc == 0) && (tcon != NULL)) { |
0e0d2cf32 [CIFS] Remove spa... |
3274 |
bool is_unicode; |
1da177e4c Linux-2.6.12-rc2 |
3275 |
tcon->tidStatus = CifsGood; |
3b7952109 [CIFS] Fix cifs r... |
3276 |
tcon->need_reconnect = false; |
1da177e4c Linux-2.6.12-rc2 |
3277 3278 |
tcon->tid = smb_buffer_response->Tid; bcc_ptr = pByteArea(smb_buffer_response); |
690c522fa cifs: use get/put... |
3279 |
bytes_left = get_bcc(smb_buffer_response); |
cc20c031b cifs: convert CIF... |
3280 |
length = strnlen(bcc_ptr, bytes_left - 2); |
0e0d2cf32 [CIFS] Remove spa... |
3281 3282 3283 3284 |
if (smb_buffer->Flags2 & SMBFLG2_UNICODE) is_unicode = true; else is_unicode = false; |
cc20c031b cifs: convert CIF... |
3285 |
|
50c2f7538 [CIFS] whitespace... |
3286 |
/* skip service field (NB: this field is always ASCII) */ |
7f8ed420f [CIFS] CIFS suppo... |
3287 3288 3289 |
if (length == 3) { if ((bcc_ptr[0] == 'I') && (bcc_ptr[1] == 'P') && (bcc_ptr[2] == 'C')) { |
b6b38f704 [CIFS] Neaten cER... |
3290 |
cFYI(1, "IPC connection"); |
7f8ed420f [CIFS] CIFS suppo... |
3291 3292 3293 3294 3295 |
tcon->ipc = 1; } } else if (length == 2) { if ((bcc_ptr[0] == 'A') && (bcc_ptr[1] == ':')) { /* the most common case */ |
b6b38f704 [CIFS] Neaten cER... |
3296 |
cFYI(1, "disk share connection"); |
7f8ed420f [CIFS] CIFS suppo... |
3297 3298 |
} } |
50c2f7538 [CIFS] whitespace... |
3299 |
bcc_ptr += length + 1; |
cc20c031b cifs: convert CIF... |
3300 |
bytes_left -= (length + 1); |
1da177e4c Linux-2.6.12-rc2 |
3301 |
strncpy(tcon->treeName, tree, MAX_TREE_SIZE); |
cc20c031b cifs: convert CIF... |
3302 3303 |
/* mostly informational -- no need to fail on error here */ |
90a98b2f3 cifs: free native... |
3304 |
kfree(tcon->nativeFileSystem); |
d185cda77 [CIFS] rename cif... |
3305 |
tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr, |
0e0d2cf32 [CIFS] Remove spa... |
3306 |
bytes_left, is_unicode, |
cc20c031b cifs: convert CIF... |
3307 |
nls_codepage); |
b6b38f704 [CIFS] Neaten cER... |
3308 |
cFYI(1, "nativeFileSystem=%s", tcon->nativeFileSystem); |
cc20c031b cifs: convert CIF... |
3309 |
|
fb8c4b14d [CIFS] whitespace... |
3310 |
if ((smb_buffer_response->WordCount == 3) || |
1a4e15a04 [CIFS] Missing fl... |
3311 3312 |
(smb_buffer_response->WordCount == 7)) /* field is in same location */ |
3979877e5 [CIFS] Support fo... |
3313 3314 3315 |
tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport); else tcon->Flags = 0; |
b6b38f704 [CIFS] Neaten cER... |
3316 |
cFYI(1, "Tcon flags: 0x%x ", tcon->Flags); |
1da177e4c Linux-2.6.12-rc2 |
3317 |
} else if ((rc == 0) && tcon == NULL) { |
50c2f7538 [CIFS] whitespace... |
3318 |
/* all we need to save for IPC$ connection */ |
1da177e4c Linux-2.6.12-rc2 |
3319 3320 |
ses->ipc_tid = smb_buffer_response->Tid; } |
a8a11d399 [CIFS] remove som... |
3321 |
cifs_buf_release(smb_buffer); |
1da177e4c Linux-2.6.12-rc2 |
3322 3323 |
return rc; } |
2a9b99516 sanitize cifs_umo... |
3324 3325 |
void cifs_umount(struct cifs_sb_info *cifs_sb) |
1da177e4c Linux-2.6.12-rc2 |
3326 |
{ |
b647c35f7 cifs: convert tli... |
3327 3328 3329 |
struct rb_root *root = &cifs_sb->tlink_tree; struct rb_node *node; struct tcon_link *tlink; |
9d002df49 cifs: add routine... |
3330 |
|
2de970ff6 cifs: implement r... |
3331 |
cancel_delayed_work_sync(&cifs_sb->prune_tlinks); |
b647c35f7 cifs: convert tli... |
3332 3333 3334 3335 3336 3337 |
spin_lock(&cifs_sb->tlink_tree_lock); while ((node = rb_first(root))) { tlink = rb_entry(node, struct tcon_link, tl_rbnode); cifs_get_tlink(tlink); clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); rb_erase(node, root); |
1da177e4c Linux-2.6.12-rc2 |
3338 |
|
b647c35f7 cifs: convert tli... |
3339 3340 3341 3342 3343 |
spin_unlock(&cifs_sb->tlink_tree_lock); cifs_put_tlink(tlink); spin_lock(&cifs_sb->tlink_tree_lock); } spin_unlock(&cifs_sb->tlink_tree_lock); |
50c2f7538 [CIFS] whitespace... |
3344 |
|
dd8544661 take bdi setup/de... |
3345 |
bdi_destroy(&cifs_sb->bdi); |
d757d71bf cifs: pull freein... |
3346 3347 3348 |
kfree(cifs_sb->mountdata); unload_nls(cifs_sb->local_nls); kfree(cifs_sb); |
50c2f7538 [CIFS] whitespace... |
3349 |
} |
1da177e4c Linux-2.6.12-rc2 |
3350 |
|
96daf2b09 [CIFS] Rename thr... |
3351 |
int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses) |
1da177e4c Linux-2.6.12-rc2 |
3352 3353 |
{ int rc = 0; |
198b56827 cifs: break negot... |
3354 |
struct TCP_Server_Info *server = ses->server; |
1da177e4c Linux-2.6.12-rc2 |
3355 |
|
198b56827 cifs: break negot... |
3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 |
/* only send once per connect */ if (server->maxBuf != 0) return 0; rc = CIFSSMBNegotiate(xid, ses); if (rc == -EAGAIN) { /* retry only once on 1st time connection */ rc = CIFSSMBNegotiate(xid, ses); if (rc == -EAGAIN) rc = -EHOSTDOWN; |
1da177e4c Linux-2.6.12-rc2 |
3366 |
} |
198b56827 cifs: break negot... |
3367 3368 |
if (rc == 0) { spin_lock(&GlobalMid_Lock); |
7fdbaa1b8 cifs: don't allow... |
3369 |
if (server->tcpStatus == CifsNeedNegotiate) |
198b56827 cifs: break negot... |
3370 3371 3372 3373 |
server->tcpStatus = CifsGood; else rc = -EHOSTDOWN; spin_unlock(&GlobalMid_Lock); |
26b994fad [CIFS] Code clean... |
3374 |
|
198b56827 cifs: break negot... |
3375 3376 3377 3378 |
} return rc; } |
96daf2b09 [CIFS] Rename thr... |
3379 |
int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, |
198b56827 cifs: break negot... |
3380 3381 3382 3383 |
struct nls_table *nls_info) { int rc = 0; struct TCP_Server_Info *server = ses->server; |
26b994fad [CIFS] Code clean... |
3384 |
|
198b56827 cifs: break negot... |
3385 3386 |
ses->flags = 0; ses->capabilities = server->capabilities; |
26b994fad [CIFS] Code clean... |
3387 |
if (linuxExtEnabled == 0) |
198b56827 cifs: break negot... |
3388 |
ses->capabilities &= (~CAP_UNIX); |
20418acd6 [CIFS] Remove old... |
3389 |
|
b6b38f704 [CIFS] Neaten cER... |
3390 |
cFYI(1, "Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", |
96daf2b09 [CIFS] Rename thr... |
3391 |
server->sec_mode, server->capabilities, server->timeAdj); |
cb7691b64 cifs: add local s... |
3392 |
|
198b56827 cifs: break negot... |
3393 |
rc = CIFS_SessSetup(xid, ses, nls_info); |
26b994fad [CIFS] Code clean... |
3394 |
if (rc) { |
b6b38f704 [CIFS] Neaten cER... |
3395 |
cERROR(1, "Send error in SessSetup = %d", rc); |
26b994fad [CIFS] Code clean... |
3396 |
} else { |
5d0d28824 NTLM authenticati... |
3397 3398 |
mutex_lock(&ses->server->srv_mutex); if (!server->session_estab) { |
21e733930 NTLM auth and sig... |
3399 |
server->session_key.response = ses->auth_key.response; |
5d0d28824 NTLM authenticati... |
3400 |
server->session_key.len = ses->auth_key.len; |
21e733930 NTLM auth and sig... |
3401 3402 3403 |
server->sequence_number = 0x2; server->session_estab = true; ses->auth_key.response = NULL; |
5d0d28824 NTLM authenticati... |
3404 3405 |
} mutex_unlock(&server->srv_mutex); |
b6b38f704 [CIFS] Neaten cER... |
3406 |
cFYI(1, "CIFS Session Established successfully"); |
20418acd6 [CIFS] Remove old... |
3407 |
spin_lock(&GlobalMid_Lock); |
198b56827 cifs: break negot... |
3408 3409 |
ses->status = CifsGood; ses->need_reconnect = false; |
20418acd6 [CIFS] Remove old... |
3410 |
spin_unlock(&GlobalMid_Lock); |
1da177e4c Linux-2.6.12-rc2 |
3411 |
} |
26b994fad [CIFS] Code clean... |
3412 |
|
21e733930 NTLM auth and sig... |
3413 3414 3415 |
kfree(ses->auth_key.response); ses->auth_key.response = NULL; ses->auth_key.len = 0; |
d3686d54c cifs: Cleanup and... |
3416 3417 |
kfree(ses->ntlmssp); ses->ntlmssp = NULL; |
21e733930 NTLM auth and sig... |
3418 |
|
1da177e4c Linux-2.6.12-rc2 |
3419 3420 |
return rc; } |
96daf2b09 [CIFS] Rename thr... |
3421 |
static struct cifs_tcon * |
9d002df49 cifs: add routine... |
3422 3423 |
cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid) { |
96daf2b09 [CIFS] Rename thr... |
3424 3425 3426 |
struct cifs_tcon *master_tcon = cifs_sb_master_tcon(cifs_sb); struct cifs_ses *ses; struct cifs_tcon *tcon = NULL; |
9d002df49 cifs: add routine... |
3427 |
struct smb_vol *vol_info; |
34c87901e Shrink stack spac... |
3428 3429 3430 |
char username[28]; /* big enough for "krb50x" + hex of ULONG_MAX 6+16 */ /* We used to have this as MAX_USERNAME which is */ /* way too big now (256 instead of 32) */ |
9d002df49 cifs: add routine... |
3431 3432 3433 3434 3435 3436 |
vol_info = kzalloc(sizeof(*vol_info), GFP_KERNEL); if (vol_info == NULL) { tcon = ERR_PTR(-ENOMEM); goto out; } |
ea1be1a3c [CIFS] update lim... |
3437 |
snprintf(username, sizeof(username), "krb50x%x", fsuid); |
9d002df49 cifs: add routine... |
3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 |
vol_info->username = username; vol_info->local_nls = cifs_sb->local_nls; vol_info->linux_uid = fsuid; vol_info->cred_uid = fsuid; vol_info->UNC = master_tcon->treeName; vol_info->retry = master_tcon->retry; vol_info->nocase = master_tcon->nocase; vol_info->local_lease = master_tcon->local_lease; vol_info->no_linux_ext = !master_tcon->unix_ext; /* FIXME: allow for other secFlg settings */ vol_info->secFlg = CIFSSEC_MUST_KRB5; /* get a reference for the same TCP session */ |
3f9bcca78 cifs: convert cif... |
3452 |
spin_lock(&cifs_tcp_ses_lock); |
9d002df49 cifs: add routine... |
3453 |
++master_tcon->ses->server->srv_count; |
3f9bcca78 cifs: convert cif... |
3454 |
spin_unlock(&cifs_tcp_ses_lock); |
9d002df49 cifs: add routine... |
3455 3456 3457 |
ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info); if (IS_ERR(ses)) { |
96daf2b09 [CIFS] Rename thr... |
3458 |
tcon = (struct cifs_tcon *)ses; |
9d002df49 cifs: add routine... |
3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 |
cifs_put_tcp_session(master_tcon->ses->server); goto out; } tcon = cifs_get_tcon(ses, vol_info); if (IS_ERR(tcon)) { cifs_put_smb_ses(ses); goto out; } if (ses->capabilities & CAP_UNIX) reset_cifs_unix_caps(0, tcon, NULL, vol_info); out: kfree(vol_info); return tcon; } |
96daf2b09 [CIFS] Rename thr... |
3476 |
struct cifs_tcon * |
9d002df49 cifs: add routine... |
3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 |
cifs_sb_master_tcon(struct cifs_sb_info *cifs_sb) { return tlink_tcon(cifs_sb_master_tlink(cifs_sb)); } static int cifs_sb_tcon_pending_wait(void *unused) { schedule(); return signal_pending(current) ? -ERESTARTSYS : 0; } |
b647c35f7 cifs: convert tli... |
3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 |
/* find and return a tlink with given uid */ static struct tcon_link * tlink_rb_search(struct rb_root *root, uid_t uid) { struct rb_node *node = root->rb_node; struct tcon_link *tlink; while (node) { tlink = rb_entry(node, struct tcon_link, tl_rbnode); if (tlink->tl_uid > uid) node = node->rb_left; else if (tlink->tl_uid < uid) node = node->rb_right; else return tlink; } return NULL; } /* insert a tcon_link into the tree */ static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink) { struct rb_node **new = &(root->rb_node), *parent = NULL; struct tcon_link *tlink; while (*new) { tlink = rb_entry(*new, struct tcon_link, tl_rbnode); parent = *new; if (tlink->tl_uid > new_tlink->tl_uid) new = &((*new)->rb_left); else new = &((*new)->rb_right); } rb_link_node(&new_tlink->tl_rbnode, parent, new); rb_insert_color(&new_tlink->tl_rbnode, root); } |
9d002df49 cifs: add routine... |
3528 3529 3530 3531 3532 3533 3534 |
/* * Find or construct an appropriate tcon given a cifs_sb and the fsuid of the * current task. * * If the superblock doesn't refer to a multiuser mount, then just return * the master tcon for the mount. * |
6ef933a38 cifs: trivial com... |
3535 |
* First, search the rbtree for an existing tcon for this fsuid. If one |
9d002df49 cifs: add routine... |
3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 |
* exists, then check to see if it's pending construction. If it is then wait * for construction to complete. Once it's no longer pending, check to see if * it failed and either return an error or retry construction, depending on * the timeout. * * If one doesn't exist then insert a new tcon_link struct into the tree and * try to construct a new one. */ struct tcon_link * cifs_sb_tlink(struct cifs_sb_info *cifs_sb) { int ret; |
b647c35f7 cifs: convert tli... |
3548 |
uid_t fsuid = current_fsuid(); |
9d002df49 cifs: add routine... |
3549 3550 3551 3552 3553 3554 |
struct tcon_link *tlink, *newtlink; if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)) return cifs_get_tlink(cifs_sb_master_tlink(cifs_sb)); spin_lock(&cifs_sb->tlink_tree_lock); |
b647c35f7 cifs: convert tli... |
3555 |
tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid); |
9d002df49 cifs: add routine... |
3556 3557 3558 3559 3560 3561 3562 3563 |
if (tlink) cifs_get_tlink(tlink); spin_unlock(&cifs_sb->tlink_tree_lock); if (tlink == NULL) { newtlink = kzalloc(sizeof(*tlink), GFP_KERNEL); if (newtlink == NULL) return ERR_PTR(-ENOMEM); |
b647c35f7 cifs: convert tli... |
3564 |
newtlink->tl_uid = fsuid; |
9d002df49 cifs: add routine... |
3565 3566 3567 3568 |
newtlink->tl_tcon = ERR_PTR(-EACCES); set_bit(TCON_LINK_PENDING, &newtlink->tl_flags); set_bit(TCON_LINK_IN_TREE, &newtlink->tl_flags); cifs_get_tlink(newtlink); |
9d002df49 cifs: add routine... |
3569 3570 |
spin_lock(&cifs_sb->tlink_tree_lock); /* was one inserted after previous search? */ |
b647c35f7 cifs: convert tli... |
3571 |
tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid); |
9d002df49 cifs: add routine... |
3572 3573 3574 |
if (tlink) { cifs_get_tlink(tlink); spin_unlock(&cifs_sb->tlink_tree_lock); |
9d002df49 cifs: add routine... |
3575 3576 3577 |
kfree(newtlink); goto wait_for_construction; } |
9d002df49 cifs: add routine... |
3578 |
tlink = newtlink; |
b647c35f7 cifs: convert tli... |
3579 3580 |
tlink_rb_insert(&cifs_sb->tlink_tree, tlink); spin_unlock(&cifs_sb->tlink_tree_lock); |
9d002df49 cifs: add routine... |
3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 |
} else { wait_for_construction: ret = wait_on_bit(&tlink->tl_flags, TCON_LINK_PENDING, cifs_sb_tcon_pending_wait, TASK_INTERRUPTIBLE); if (ret) { cifs_put_tlink(tlink); return ERR_PTR(ret); } /* if it's good, return it */ if (!IS_ERR(tlink->tl_tcon)) return tlink; /* return error if we tried this already recently */ if (time_before(jiffies, tlink->tl_time + TLINK_ERROR_EXPIRE)) { cifs_put_tlink(tlink); return ERR_PTR(-EACCES); } if (test_and_set_bit(TCON_LINK_PENDING, &tlink->tl_flags)) goto wait_for_construction; } tlink->tl_tcon = cifs_construct_tcon(cifs_sb, fsuid); clear_bit(TCON_LINK_PENDING, &tlink->tl_flags); wake_up_bit(&tlink->tl_flags, TCON_LINK_PENDING); if (IS_ERR(tlink->tl_tcon)) { cifs_put_tlink(tlink); return ERR_PTR(-EACCES); } return tlink; } |
2de970ff6 cifs: implement r... |
3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 |
/* * periodic workqueue job that scans tcon_tree for a superblock and closes * out tcons. */ static void cifs_prune_tlinks(struct work_struct *work) { struct cifs_sb_info *cifs_sb = container_of(work, struct cifs_sb_info, prune_tlinks.work); |
b647c35f7 cifs: convert tli... |
3626 3627 3628 3629 |
struct rb_root *root = &cifs_sb->tlink_tree; struct rb_node *node = rb_first(root); struct rb_node *tmp; struct tcon_link *tlink; |
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/* * Because we drop the spinlock in the loop in order to put the tlink * it's not guarded against removal of links from the tree. The only * places that remove entries from the tree are this function and * umounts. Because this function is non-reentrant and is canceled * before umount can proceed, this is safe. */ spin_lock(&cifs_sb->tlink_tree_lock); node = rb_first(root); while (node != NULL) { tmp = node; node = rb_next(tmp); tlink = rb_entry(tmp, struct tcon_link, tl_rbnode); if (test_bit(TCON_LINK_MASTER, &tlink->tl_flags) || atomic_read(&tlink->tl_count) != 0 || time_after(tlink->tl_time + TLINK_IDLE_EXPIRE, jiffies)) continue; |
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cifs_get_tlink(tlink); clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); rb_erase(tmp, root); spin_unlock(&cifs_sb->tlink_tree_lock); cifs_put_tlink(tlink); spin_lock(&cifs_sb->tlink_tree_lock); } spin_unlock(&cifs_sb->tlink_tree_lock); |
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queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); } |