2005-04-16 16:20:36 -06:00
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/*
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* fs/cifs_debug.c
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*
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2005-04-28 23:41:07 -06:00
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* Copyright (C) International Business Machines Corp., 2000,2005
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2005-04-16 16:20:36 -06:00
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*
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* Modified by Steve French (sfrench@us.ibm.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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2007-06-05 14:35:06 -06:00
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* the Free Software Foundation; either version 2 of the License, or
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2005-04-16 16:20:36 -06:00
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* (at your option) any later version.
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2007-06-05 14:35:06 -06:00
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*
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2005-04-16 16:20:36 -06:00
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2007-06-05 14:35:06 -06:00
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* along with this program; if not, write to the Free Software
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2005-04-16 16:20:36 -06:00
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/fs.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <asm/uaccess.h>
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#include "cifspdu.h"
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#include "cifsglob.h"
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#include "cifsproto.h"
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#include "cifs_debug.h"
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2005-04-28 23:41:06 -06:00
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#include "cifsfs.h"
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2005-04-16 16:20:36 -06:00
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void
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cifs_dump_mem(char *label, void *data, int length)
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{
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int i, j;
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int *intptr = data;
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char *charptr = data;
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char buf[10], line[80];
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2007-06-05 14:35:06 -06:00
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printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
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2005-04-16 16:20:36 -06:00
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label, length, data);
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for (i = 0; i < length; i += 16) {
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line[0] = 0;
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for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
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sprintf(buf, " %08x", intptr[i / 4 + j]);
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strcat(line, buf);
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}
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buf[0] = ' ';
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buf[2] = 0;
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for (j = 0; (j < 16) && (i + j < length); j++) {
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buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
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strcat(line, buf);
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}
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printk(KERN_DEBUG "%s\n", line);
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}
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}
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2013-05-04 21:12:25 -06:00
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#ifdef CONFIG_CIFS_DEBUG
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void cifs_vfs_err(const char *fmt, ...)
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{
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struct va_format vaf;
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va_list args;
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va_start(args, fmt);
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vaf.fmt = fmt;
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vaf.va = &args;
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printk(KERN_ERR "CIFS VFS: %pV", &vaf);
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va_end(args);
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}
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#endif
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2012-03-23 12:28:02 -06:00
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void cifs_dump_detail(void *buf)
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2006-05-31 16:40:51 -06:00
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{
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2012-05-17 03:25:35 -06:00
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#ifdef CONFIG_CIFS_DEBUG2
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2012-03-23 12:28:02 -06:00
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struct smb_hdr *smb = (struct smb_hdr *)buf;
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2013-05-04 21:12:25 -06:00
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cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d\n",
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smb->Command, smb->Status.CifsError,
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smb->Flags, smb->Flags2, smb->Mid, smb->Pid);
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cifs_dbg(VFS, "smb buf %p len %u\n", smb, smbCalcSize(smb));
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2012-05-17 03:25:35 -06:00
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#endif /* CONFIG_CIFS_DEBUG2 */
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2006-05-31 16:40:51 -06:00
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}
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2007-06-24 15:15:44 -06:00
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void cifs_dump_mids(struct TCP_Server_Info *server)
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2006-05-31 16:40:51 -06:00
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{
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2012-05-17 03:25:35 -06:00
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#ifdef CONFIG_CIFS_DEBUG2
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2006-05-31 16:40:51 -06:00
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struct list_head *tmp;
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2007-06-24 15:15:44 -06:00
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struct mid_q_entry *mid_entry;
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2006-05-31 16:40:51 -06:00
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2007-06-05 14:35:06 -06:00
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if (server == NULL)
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2006-05-31 16:40:51 -06:00
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return;
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2013-05-04 21:12:25 -06:00
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cifs_dbg(VFS, "Dump pending requests:\n");
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2006-05-31 16:40:51 -06:00
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spin_lock(&GlobalMid_Lock);
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list_for_each(tmp, &server->pending_mid_q) {
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mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
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2013-05-04 21:12:25 -06:00
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cifs_dbg(VFS, "State: %d Cmd: %d Pid: %d Cbdata: %p Mid %llu\n",
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mid_entry->mid_state,
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le16_to_cpu(mid_entry->command),
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mid_entry->pid,
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mid_entry->callback_data,
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mid_entry->mid);
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2006-05-31 16:40:51 -06:00
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#ifdef CONFIG_CIFS_STATS2
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2013-05-04 21:12:25 -06:00
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cifs_dbg(VFS, "IsLarge: %d buf: %p time rcv: %ld now: %ld\n",
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mid_entry->large_buf,
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mid_entry->resp_buf,
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mid_entry->when_received,
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jiffies);
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2006-05-31 16:40:51 -06:00
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#endif /* STATS2 */
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2013-05-04 21:12:25 -06:00
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cifs_dbg(VFS, "IsMult: %d IsEnd: %d\n",
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mid_entry->multiRsp, mid_entry->multiEnd);
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2008-08-08 15:10:16 -06:00
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if (mid_entry->resp_buf) {
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cifs_dump_detail(mid_entry->resp_buf);
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cifs_dump_mem("existing buf: ",
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mid_entry->resp_buf, 62);
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2006-05-31 16:40:51 -06:00
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}
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}
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spin_unlock(&GlobalMid_Lock);
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#endif /* CONFIG_CIFS_DEBUG2 */
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2012-05-17 03:25:35 -06:00
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}
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2006-05-31 16:40:51 -06:00
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2005-04-16 16:20:36 -06:00
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#ifdef CONFIG_PROC_FS
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2008-07-23 20:34:24 -06:00
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static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
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2005-04-16 16:20:36 -06:00
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{
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2008-11-15 09:12:47 -07:00
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struct list_head *tmp1, *tmp2, *tmp3;
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2007-06-24 15:15:44 -06:00
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struct mid_q_entry *mid_entry;
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2008-11-14 11:53:46 -07:00
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struct TCP_Server_Info *server;
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2011-05-26 22:34:02 -06:00
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struct cifs_ses *ses;
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struct cifs_tcon *tcon;
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2008-11-15 09:12:47 -07:00
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int i, j;
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__u32 dev_type;
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2005-04-16 16:20:36 -06:00
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2008-07-23 20:34:24 -06:00
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seq_puts(m,
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2005-04-16 16:20:36 -06:00
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"Display Internal CIFS Data Structures for Debugging\n"
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"---------------------------------------------------\n");
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2008-07-23 20:34:24 -06:00
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seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
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2011-01-07 09:30:29 -07:00
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seq_printf(m, "Features:");
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2010-07-30 06:55:56 -06:00
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#ifdef CONFIG_CIFS_DFS_UPCALL
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " dfs");
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2010-07-30 06:55:56 -06:00
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#endif
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#ifdef CONFIG_CIFS_FSCACHE
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " fscache");
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2010-07-30 06:55:56 -06:00
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#endif
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#ifdef CONFIG_CIFS_WEAK_PW_HASH
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " lanman");
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2010-07-30 06:55:56 -06:00
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#endif
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#ifdef CONFIG_CIFS_POSIX
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " posix");
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2010-07-30 06:55:56 -06:00
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#endif
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#ifdef CONFIG_CIFS_UPCALL
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " spnego");
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2010-07-30 06:55:56 -06:00
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#endif
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#ifdef CONFIG_CIFS_XATTR
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2011-01-07 09:30:29 -07:00
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seq_printf(m, " xattr");
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#endif
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#ifdef CONFIG_CIFS_ACL
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seq_printf(m, " acl");
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2010-07-30 06:55:56 -06:00
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#endif
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seq_putc(m, '\n');
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2008-07-23 20:34:24 -06:00
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seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
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seq_printf(m, "Servers:");
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2005-04-16 16:20:36 -06:00
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i = 0;
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2010-10-18 11:59:37 -06:00
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spin_lock(&cifs_tcp_ses_lock);
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2008-11-15 09:12:47 -07:00
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list_for_each(tmp1, &cifs_tcp_ses_list) {
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server = list_entry(tmp1, struct TCP_Server_Info,
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2008-11-14 11:53:46 -07:00
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tcp_ses_list);
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2005-04-16 16:20:36 -06:00
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i++;
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2008-11-14 11:53:46 -07:00
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list_for_each(tmp2, &server->smb_ses_list) {
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2011-05-26 22:34:02 -06:00
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ses = list_entry(tmp2, struct cifs_ses,
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2008-11-14 11:53:46 -07:00
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smb_ses_list);
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if ((ses->serverDomain == NULL) ||
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(ses->serverOS == NULL) ||
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(ses->serverNOS == NULL)) {
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2008-11-15 09:12:47 -07:00
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seq_printf(m, "\n%d) entry for %s not fully "
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"displayed\n\t", i, ses->serverName);
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2008-11-14 11:53:46 -07:00
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} else {
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seq_printf(m,
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2008-11-15 09:12:47 -07:00
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"\n%d) Name: %s Domain: %s Uses: %d OS:"
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" %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB"
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2007-06-05 14:35:06 -06:00
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" session status: %d\t",
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2005-04-28 23:41:07 -06:00
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i, ses->serverName, ses->serverDomain,
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2008-11-14 11:53:46 -07:00
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ses->ses_count, ses->serverOS, ses->serverNOS,
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2007-06-05 14:35:06 -06:00
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ses->capabilities, ses->status);
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2008-11-14 11:53:46 -07:00
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}
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2008-07-23 20:34:24 -06:00
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seq_printf(m, "TCP status: %d\n\tLocal Users To "
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2008-11-14 11:53:46 -07:00
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"Server: %d SecMode: 0x%x Req On Wire: %d",
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server->tcpStatus, server->srv_count,
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2012-02-17 07:09:12 -07:00
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server->sec_mode, in_flight(server));
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2005-10-07 10:51:05 -06:00
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#ifdef CONFIG_CIFS_STATS2
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2008-07-23 20:34:24 -06:00
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seq_printf(m, " In Send: %d In MaxReq Wait: %d",
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2011-08-09 12:44:44 -06:00
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atomic_read(&server->in_send),
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2008-11-14 11:53:46 -07:00
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atomic_read(&server->num_waiters));
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2005-10-07 10:51:05 -06:00
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#endif
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2008-11-15 09:12:47 -07:00
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seq_puts(m, "\n\tShares:");
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j = 0;
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list_for_each(tmp3, &ses->tcon_list) {
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2011-05-26 22:34:02 -06:00
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tcon = list_entry(tmp3, struct cifs_tcon,
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2008-11-15 09:12:47 -07:00
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tcon_list);
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++j;
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dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
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seq_printf(m, "\n\t%d) %s Mounts: %d ", j,
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tcon->treeName, tcon->tc_count);
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if (tcon->nativeFileSystem) {
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seq_printf(m, "Type: %s ",
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tcon->nativeFileSystem);
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}
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seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
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2013-06-19 13:15:30 -06:00
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"\n\tPathComponentMax: %d Status: 0x%d",
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2008-11-15 09:12:47 -07:00
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le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
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le32_to_cpu(tcon->fsAttrInfo.Attributes),
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le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
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tcon->tidStatus);
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if (dev_type == FILE_DEVICE_DISK)
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seq_puts(m, " type: DISK ");
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else if (dev_type == FILE_DEVICE_CD_ROM)
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seq_puts(m, " type: CDROM ");
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else
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seq_printf(m, " type: %d ", dev_type);
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2013-06-19 13:15:30 -06:00
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if (server->ops->dump_share_caps)
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server->ops->dump_share_caps(m, tcon);
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2008-11-15 09:12:47 -07:00
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if (tcon->need_reconnect)
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seq_puts(m, "\tDISCONNECTED ");
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seq_putc(m, '\n');
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}
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seq_puts(m, "\n\tMIDs:\n");
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2005-04-16 16:20:36 -06:00
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spin_lock(&GlobalMid_Lock);
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2008-11-14 11:53:46 -07:00
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list_for_each(tmp3, &server->pending_mid_q) {
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2008-11-15 09:12:47 -07:00
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mid_entry = list_entry(tmp3, struct mid_q_entry,
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2005-04-16 16:20:36 -06:00
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qhead);
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2008-11-15 09:12:47 -07:00
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seq_printf(m, "\tState: %d com: %d pid:"
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2012-03-23 12:28:03 -06:00
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" %d cbdata: %p mid %llu\n",
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mid_entry->mid_state,
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le16_to_cpu(mid_entry->command),
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mid_entry->pid,
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mid_entry->callback_data,
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mid_entry->mid);
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2005-04-16 16:20:36 -06:00
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}
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2007-06-05 14:35:06 -06:00
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spin_unlock(&GlobalMid_Lock);
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2005-04-16 16:20:36 -06:00
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}
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}
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2010-10-18 11:59:37 -06:00
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spin_unlock(&cifs_tcp_ses_lock);
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2008-07-23 20:34:24 -06:00
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seq_putc(m, '\n');
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2005-04-16 16:20:36 -06:00
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/* BB add code to dump additional info such as TCP session info now */
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2008-07-23 20:34:24 -06:00
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return 0;
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}
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2005-04-16 16:20:36 -06:00
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2008-07-23 20:34:24 -06:00
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static int cifs_debug_data_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cifs_debug_data_proc_show, NULL);
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2005-04-16 16:20:36 -06:00
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}
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2008-07-23 20:34:24 -06:00
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static const struct file_operations cifs_debug_data_proc_fops = {
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.owner = THIS_MODULE,
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.open = cifs_debug_data_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
|
2005-10-11 20:58:06 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
#ifdef CONFIG_CIFS_STATS
|
|
|
|
static ssize_t cifs_stats_proc_write(struct file *file,
|
|
|
|
const char __user *buffer, size_t count, loff_t *ppos)
|
2005-10-11 20:58:06 -06:00
|
|
|
{
|
2007-06-05 14:35:06 -06:00
|
|
|
char c;
|
|
|
|
int rc;
|
2008-11-15 09:12:47 -07:00
|
|
|
struct list_head *tmp1, *tmp2, *tmp3;
|
|
|
|
struct TCP_Server_Info *server;
|
2011-05-26 22:34:02 -06:00
|
|
|
struct cifs_ses *ses;
|
|
|
|
struct cifs_tcon *tcon;
|
2005-10-11 20:58:06 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
rc = get_user(c, buffer);
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
2005-10-11 20:58:06 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
|
2005-12-03 14:58:57 -07:00
|
|
|
#ifdef CONFIG_CIFS_STATS2
|
|
|
|
atomic_set(&totBufAllocCount, 0);
|
|
|
|
atomic_set(&totSmBufAllocCount, 0);
|
|
|
|
#endif /* CONFIG_CIFS_STATS2 */
|
2010-10-18 11:59:37 -06:00
|
|
|
spin_lock(&cifs_tcp_ses_lock);
|
2008-11-15 09:12:47 -07:00
|
|
|
list_for_each(tmp1, &cifs_tcp_ses_list) {
|
|
|
|
server = list_entry(tmp1, struct TCP_Server_Info,
|
|
|
|
tcp_ses_list);
|
2008-11-16 20:57:13 -07:00
|
|
|
list_for_each(tmp2, &server->smb_ses_list) {
|
2011-05-26 22:34:02 -06:00
|
|
|
ses = list_entry(tmp2, struct cifs_ses,
|
2008-11-16 20:57:13 -07:00
|
|
|
smb_ses_list);
|
2008-11-15 09:12:47 -07:00
|
|
|
list_for_each(tmp3, &ses->tcon_list) {
|
|
|
|
tcon = list_entry(tmp3,
|
2011-05-26 22:34:02 -06:00
|
|
|
struct cifs_tcon,
|
2008-11-15 09:12:47 -07:00
|
|
|
tcon_list);
|
|
|
|
atomic_set(&tcon->num_smbs_sent, 0);
|
2012-05-28 04:16:31 -06:00
|
|
|
if (server->ops->clear_stats)
|
|
|
|
server->ops->clear_stats(tcon);
|
2008-11-15 09:12:47 -07:00
|
|
|
}
|
|
|
|
}
|
2005-10-11 20:58:06 -06:00
|
|
|
}
|
2010-10-18 11:59:37 -06:00
|
|
|
spin_unlock(&cifs_tcp_ses_lock);
|
2005-10-11 20:58:06 -06:00
|
|
|
}
|
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
return count;
|
2005-10-11 20:58:06 -06:00
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_stats_proc_show(struct seq_file *m, void *v)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2008-07-23 20:34:24 -06:00
|
|
|
int i;
|
2008-11-15 09:12:47 -07:00
|
|
|
struct list_head *tmp1, *tmp2, *tmp3;
|
|
|
|
struct TCP_Server_Info *server;
|
2011-05-26 22:34:02 -06:00
|
|
|
struct cifs_ses *ses;
|
|
|
|
struct cifs_tcon *tcon;
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m,
|
2005-04-16 16:20:36 -06:00
|
|
|
"Resources in use\nCIFS Session: %d\n",
|
|
|
|
sesInfoAllocCount.counter);
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "Share (unique mount targets): %d\n",
|
2005-04-16 16:20:36 -06:00
|
|
|
tconInfoAllocCount.counter);
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
|
2005-04-28 23:41:07 -06:00
|
|
|
bufAllocCount.counter,
|
|
|
|
cifs_min_rcv + tcpSesAllocCount.counter);
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
|
2007-06-05 14:35:06 -06:00
|
|
|
smBufAllocCount.counter, cifs_min_small);
|
2005-12-03 15:11:37 -07:00
|
|
|
#ifdef CONFIG_CIFS_STATS2
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "Total Large %d Small %d Allocations\n",
|
2005-12-03 15:11:37 -07:00
|
|
|
atomic_read(&totBufAllocCount),
|
2007-06-05 14:35:06 -06:00
|
|
|
atomic_read(&totSmBufAllocCount));
|
2005-12-03 15:11:37 -07:00
|
|
|
#endif /* CONFIG_CIFS_STATS2 */
|
|
|
|
|
2011-01-11 05:24:02 -07:00
|
|
|
seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m,
|
2005-04-16 16:20:36 -06:00
|
|
|
"\n%d session %d share reconnects\n",
|
2007-06-05 14:35:06 -06:00
|
|
|
tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m,
|
2005-04-16 16:20:36 -06:00
|
|
|
"Total vfs operations: %d maximum at one time: %d\n",
|
2007-06-05 14:35:06 -06:00
|
|
|
GlobalCurrentXid, GlobalMaxActiveXid);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
i = 0;
|
2010-10-18 11:59:37 -06:00
|
|
|
spin_lock(&cifs_tcp_ses_lock);
|
2008-11-15 09:12:47 -07:00
|
|
|
list_for_each(tmp1, &cifs_tcp_ses_list) {
|
|
|
|
server = list_entry(tmp1, struct TCP_Server_Info,
|
|
|
|
tcp_ses_list);
|
|
|
|
list_for_each(tmp2, &server->smb_ses_list) {
|
2011-05-26 22:34:02 -06:00
|
|
|
ses = list_entry(tmp2, struct cifs_ses,
|
2008-11-15 09:12:47 -07:00
|
|
|
smb_ses_list);
|
|
|
|
list_for_each(tmp3, &ses->tcon_list) {
|
|
|
|
tcon = list_entry(tmp3,
|
2011-05-26 22:34:02 -06:00
|
|
|
struct cifs_tcon,
|
2008-11-15 09:12:47 -07:00
|
|
|
tcon_list);
|
|
|
|
i++;
|
|
|
|
seq_printf(m, "\n%d) %s", i, tcon->treeName);
|
|
|
|
if (tcon->need_reconnect)
|
|
|
|
seq_puts(m, "\tDISCONNECTED ");
|
2012-05-28 04:16:31 -06:00
|
|
|
seq_printf(m, "\nSMBs: %d",
|
|
|
|
atomic_read(&tcon->num_smbs_sent));
|
|
|
|
if (server->ops->print_stats)
|
|
|
|
server->ops->print_stats(m, tcon);
|
2008-11-15 09:12:47 -07:00
|
|
|
}
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2010-10-18 11:59:37 -06:00
|
|
|
spin_unlock(&cifs_tcp_ses_lock);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_putc(m, '\n');
|
|
|
|
return 0;
|
|
|
|
}
|
2007-06-05 14:35:06 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_stats_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, cifs_stats_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static const struct file_operations cifs_stats_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = cifs_stats_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = cifs_stats_proc_write,
|
|
|
|
};
|
2008-02-12 13:32:36 -07:00
|
|
|
#endif /* STATS */
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
static struct proc_dir_entry *proc_fs_cifs;
|
2008-07-23 20:34:24 -06:00
|
|
|
static const struct file_operations cifsFYI_proc_fops;
|
|
|
|
static const struct file_operations cifs_lookup_cache_proc_fops;
|
|
|
|
static const struct file_operations traceSMB_proc_fops;
|
|
|
|
static const struct file_operations cifs_security_flags_proc_fops;
|
|
|
|
static const struct file_operations cifs_linux_ext_proc_fops;
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
void
|
|
|
|
cifs_proc_init(void)
|
|
|
|
{
|
2008-04-29 02:01:42 -06:00
|
|
|
proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
if (proc_fs_cifs == NULL)
|
|
|
|
return;
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
#ifdef CONFIG_CIFS_STATS
|
2008-07-23 20:34:24 -06:00
|
|
|
proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
|
2008-02-12 13:32:36 -07:00
|
|
|
#endif /* STATS */
|
2008-07-23 20:34:24 -06:00
|
|
|
proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
|
|
|
|
proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
|
2008-07-23 20:37:45 -06:00
|
|
|
proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs,
|
|
|
|
&cifs_linux_ext_proc_fops);
|
|
|
|
proc_create("SecurityFlags", 0, proc_fs_cifs,
|
|
|
|
&cifs_security_flags_proc_fops);
|
|
|
|
proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
|
|
|
|
&cifs_lookup_cache_proc_fops);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
cifs_proc_clean(void)
|
|
|
|
{
|
|
|
|
if (proc_fs_cifs == NULL)
|
|
|
|
return;
|
|
|
|
|
|
|
|
remove_proc_entry("DebugData", proc_fs_cifs);
|
|
|
|
remove_proc_entry("cifsFYI", proc_fs_cifs);
|
|
|
|
remove_proc_entry("traceSMB", proc_fs_cifs);
|
|
|
|
#ifdef CONFIG_CIFS_STATS
|
|
|
|
remove_proc_entry("Stats", proc_fs_cifs);
|
|
|
|
#endif
|
2007-06-05 14:35:06 -06:00
|
|
|
remove_proc_entry("SecurityFlags", proc_fs_cifs);
|
|
|
|
remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
|
|
|
|
remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
|
2008-04-29 02:01:42 -06:00
|
|
|
remove_proc_entry("fs/cifs", NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifsFYI_proc_show(struct seq_file *m, void *v)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "%d\n", cifsFYI);
|
|
|
|
return 0;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifsFYI_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, cifsFYI_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
|
|
|
|
size_t count, loff_t *ppos)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
|
|
|
char c;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = get_user(c, buffer);
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
|
|
|
if (c == '0' || c == 'n' || c == 'N')
|
|
|
|
cifsFYI = 0;
|
|
|
|
else if (c == '1' || c == 'y' || c == 'Y')
|
|
|
|
cifsFYI = 1;
|
2007-06-05 14:35:06 -06:00
|
|
|
else if ((c > '1') && (c <= '9'))
|
2005-10-11 20:58:06 -06:00
|
|
|
cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static const struct file_operations cifsFYI_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = cifsFYI_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = cifsFYI_proc_write,
|
|
|
|
};
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
|
|
|
|
{
|
|
|
|
seq_printf(m, "%d\n", linuxExtEnabled);
|
|
|
|
return 0;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, cifs_linux_ext_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static ssize_t cifs_linux_ext_proc_write(struct file *file,
|
|
|
|
const char __user *buffer, size_t count, loff_t *ppos)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2007-06-05 14:35:06 -06:00
|
|
|
char c;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = get_user(c, buffer);
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
|
|
|
if (c == '0' || c == 'n' || c == 'N')
|
|
|
|
linuxExtEnabled = 0;
|
|
|
|
else if (c == '1' || c == 'y' || c == 'Y')
|
|
|
|
linuxExtEnabled = 1;
|
|
|
|
|
|
|
|
return count;
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static const struct file_operations cifs_linux_ext_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = cifs_linux_ext_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = cifs_linux_ext_proc_write,
|
|
|
|
};
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2008-07-23 20:34:24 -06:00
|
|
|
seq_printf(m, "%d\n", lookupCacheEnabled);
|
|
|
|
return 0;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, cifs_lookup_cache_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static ssize_t cifs_lookup_cache_proc_write(struct file *file,
|
|
|
|
const char __user *buffer, size_t count, loff_t *ppos)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
|
|
|
char c;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = get_user(c, buffer);
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
|
|
|
if (c == '0' || c == 'n' || c == 'N')
|
|
|
|
lookupCacheEnabled = 0;
|
|
|
|
else if (c == '1' || c == 'y' || c == 'Y')
|
|
|
|
lookupCacheEnabled = 1;
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static const struct file_operations cifs_lookup_cache_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = cifs_lookup_cache_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = cifs_lookup_cache_proc_write,
|
|
|
|
};
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int traceSMB_proc_show(struct seq_file *m, void *v)
|
|
|
|
{
|
|
|
|
seq_printf(m, "%d\n", traceSMB);
|
|
|
|
return 0;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int traceSMB_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, traceSMB_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
|
|
|
|
size_t count, loff_t *ppos)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
|
|
|
char c;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = get_user(c, buffer);
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
|
|
|
if (c == '0' || c == 'n' || c == 'N')
|
|
|
|
traceSMB = 0;
|
|
|
|
else if (c == '1' || c == 'y' || c == 'Y')
|
|
|
|
traceSMB = 1;
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static const struct file_operations traceSMB_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = traceSMB_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = traceSMB_proc_write,
|
|
|
|
};
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
|
|
|
|
{
|
2010-04-24 05:57:45 -06:00
|
|
|
seq_printf(m, "0x%x\n", global_secflags);
|
2008-07-23 20:34:24 -06:00
|
|
|
return 0;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
return single_open(file, cifs_security_flags_proc_show, NULL);
|
2005-04-16 16:20:36 -06:00
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
2013-05-26 05:01:02 -06:00
|
|
|
/*
|
|
|
|
* Ensure that if someone sets a MUST flag, that we disable all other MAY
|
|
|
|
* flags except for the ones corresponding to the given MUST flag. If there are
|
|
|
|
* multiple MUST flags, then try to prefer more secure ones.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
cifs_security_flags_handle_must_flags(unsigned int *flags)
|
|
|
|
{
|
|
|
|
unsigned int signflags = *flags & CIFSSEC_MUST_SIGN;
|
|
|
|
|
|
|
|
if ((*flags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
|
|
|
|
*flags = CIFSSEC_MUST_KRB5;
|
|
|
|
else if ((*flags & CIFSSEC_MUST_NTLMSSP) == CIFSSEC_MUST_NTLMSSP)
|
|
|
|
*flags = CIFSSEC_MUST_NTLMSSP;
|
|
|
|
else if ((*flags & CIFSSEC_MUST_NTLMV2) == CIFSSEC_MUST_NTLMV2)
|
|
|
|
*flags = CIFSSEC_MUST_NTLMV2;
|
|
|
|
else if ((*flags & CIFSSEC_MUST_NTLM) == CIFSSEC_MUST_NTLM)
|
|
|
|
*flags = CIFSSEC_MUST_NTLM;
|
|
|
|
else if ((*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN)
|
|
|
|
*flags = CIFSSEC_MUST_LANMAN;
|
|
|
|
else if ((*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT)
|
|
|
|
*flags = CIFSSEC_MUST_PLNTXT;
|
|
|
|
|
|
|
|
*flags |= signflags;
|
|
|
|
}
|
|
|
|
|
2008-07-23 20:34:24 -06:00
|
|
|
static ssize_t cifs_security_flags_proc_write(struct file *file,
|
|
|
|
const char __user *buffer, size_t count, loff_t *ppos)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2013-05-26 05:01:01 -06:00
|
|
|
int rc;
|
2006-06-02 16:57:13 -06:00
|
|
|
unsigned int flags;
|
|
|
|
char flags_string[12];
|
2005-04-16 16:20:36 -06:00
|
|
|
char c;
|
2006-06-02 16:57:13 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
if ((count < 1) || (count > 11))
|
2006-05-31 16:40:51 -06:00
|
|
|
return -EINVAL;
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2006-06-02 16:57:13 -06:00
|
|
|
memset(flags_string, 0, 12);
|
2006-05-31 16:40:51 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
if (copy_from_user(flags_string, buffer, count))
|
2006-06-02 16:57:13 -06:00
|
|
|
return -EFAULT;
|
2006-05-31 16:40:51 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
if (count < 3) {
|
2006-06-02 16:57:13 -06:00
|
|
|
/* single char or single char followed by null */
|
|
|
|
c = flags_string[0];
|
2007-10-04 14:05:09 -06:00
|
|
|
if (c == '0' || c == 'n' || c == 'N') {
|
2010-04-24 05:57:45 -06:00
|
|
|
global_secflags = CIFSSEC_DEF; /* default */
|
2007-10-04 14:05:09 -06:00
|
|
|
return count;
|
|
|
|
} else if (c == '1' || c == 'y' || c == 'Y') {
|
2010-04-24 05:57:45 -06:00
|
|
|
global_secflags = CIFSSEC_MAX;
|
2007-10-04 14:05:09 -06:00
|
|
|
return count;
|
|
|
|
} else if (!isdigit(c)) {
|
2013-05-26 05:01:01 -06:00
|
|
|
cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
|
|
|
|
flags_string);
|
2007-10-04 14:05:09 -06:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2006-06-02 16:57:13 -06:00
|
|
|
}
|
|
|
|
|
2013-05-26 05:01:01 -06:00
|
|
|
/* else we have a number */
|
|
|
|
rc = kstrtouint(flags_string, 0, &flags);
|
|
|
|
if (rc) {
|
|
|
|
cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
|
|
|
|
flags_string);
|
|
|
|
return rc;
|
|
|
|
}
|
2006-06-02 16:57:13 -06:00
|
|
|
|
2013-05-04 21:12:25 -06:00
|
|
|
cifs_dbg(FYI, "sec flags 0x%x\n", flags);
|
2006-06-02 16:57:13 -06:00
|
|
|
|
2013-05-26 05:01:01 -06:00
|
|
|
if (flags == 0) {
|
|
|
|
cifs_dbg(VFS, "Invalid SecurityFlags: %s\n", flags_string);
|
2006-06-02 16:57:13 -06:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2007-06-05 14:35:06 -06:00
|
|
|
if (flags & ~CIFSSEC_MASK) {
|
2013-05-26 05:01:01 -06:00
|
|
|
cifs_dbg(VFS, "Unsupported security flags: 0x%x\n",
|
2013-05-04 21:12:25 -06:00
|
|
|
flags & ~CIFSSEC_MASK);
|
2006-06-02 16:57:13 -06:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2013-05-26 05:01:01 -06:00
|
|
|
|
2013-05-26 05:01:02 -06:00
|
|
|
cifs_security_flags_handle_must_flags(&flags);
|
|
|
|
|
2006-06-02 16:57:13 -06:00
|
|
|
/* flags look ok - update the global security flags for cifs module */
|
2010-04-24 05:57:45 -06:00
|
|
|
global_secflags = flags;
|
|
|
|
if (global_secflags & CIFSSEC_MUST_SIGN) {
|
2007-06-28 12:41:42 -06:00
|
|
|
/* requiring signing implies signing is allowed */
|
2010-04-24 05:57:45 -06:00
|
|
|
global_secflags |= CIFSSEC_MAY_SIGN;
|
2013-05-04 21:12:25 -06:00
|
|
|
cifs_dbg(FYI, "packet signing now required\n");
|
2010-04-24 05:57:45 -06:00
|
|
|
} else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) {
|
2013-05-04 21:12:25 -06:00
|
|
|
cifs_dbg(FYI, "packet signing disabled\n");
|
2007-06-28 12:41:42 -06:00
|
|
|
}
|
|
|
|
/* BB should we turn on MAY flags for other MUST options? */
|
2005-04-16 16:20:36 -06:00
|
|
|
return count;
|
|
|
|
}
|
2008-07-23 20:34:24 -06:00
|
|
|
|
|
|
|
static const struct file_operations cifs_security_flags_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = cifs_security_flags_proc_open,
|
|
|
|
.read = seq_read,
|
|
|
|
.llseek = seq_lseek,
|
|
|
|
.release = single_release,
|
|
|
|
.write = cifs_security_flags_proc_write,
|
|
|
|
};
|
2008-02-12 13:32:36 -07:00
|
|
|
#else
|
2008-02-17 21:03:58 -07:00
|
|
|
inline void cifs_proc_init(void)
|
2008-02-12 13:32:36 -07:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2008-02-17 21:03:58 -07:00
|
|
|
inline void cifs_proc_clean(void)
|
2008-02-12 13:32:36 -07:00
|
|
|
{
|
|
|
|
}
|
|
|
|
#endif /* PROC_FS */
|