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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] CIFS should honour umask
  [CIFS] Missing flag on negprot needed for some servers to force packet signing
  [CIFS] whitespace cleanup part 2
  [CIFS] whitespace cleanup
  [CIFS] fix mempool destroy done in wrong order in cifs error path
  [CIFS] typo in previous patch
  [CIFS] Fix oops on failed cifs mount (in kthread_stop)
This commit is contained in:
Linus Torvalds 2007-06-11 11:39:25 -07:00
commit 3e2ce4dae9
10 changed files with 283 additions and 265 deletions
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248
fs/cifs/cifs_debug.c
View file

@ -7,16 +7,16 @@
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details. * the GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#include <linux/fs.h> #include <linux/fs.h>
@ -39,7 +39,7 @@ cifs_dump_mem(char *label, void *data, int length)
char *charptr = data; char *charptr = data;
char buf[10], line[80]; char buf[10], line[80];
printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n", printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
label, length, data); label, length, data);
for (i = 0; i < length; i += 16) { for (i = 0; i < length; i += 16) {
line[0] = 0; line[0] = 0;
@ -60,10 +60,10 @@ cifs_dump_mem(char *label, void *data, int length)
#ifdef CONFIG_CIFS_DEBUG2 #ifdef CONFIG_CIFS_DEBUG2
void cifs_dump_detail(struct smb_hdr * smb) void cifs_dump_detail(struct smb_hdr * smb)
{ {
cERROR(1,("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d", cERROR(1, ("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
smb->Command, smb->Status.CifsError, smb->Command, smb->Status.CifsError,
smb->Flags, smb->Flags2, smb->Mid, smb->Pid)); smb->Flags, smb->Flags2, smb->Mid, smb->Pid));
cERROR(1,("smb buf %p len %d", smb, smbCalcSize_LE(smb))); cERROR(1, ("smb buf %p len %d", smb, smbCalcSize_LE(smb)));
} }
@ -72,36 +72,35 @@ void cifs_dump_mids(struct TCP_Server_Info * server)
struct list_head *tmp; struct list_head *tmp;
struct mid_q_entry * mid_entry; struct mid_q_entry * mid_entry;
if(server == NULL) if (server == NULL)
return; return;
cERROR(1,("Dump pending requests:")); cERROR(1, ("Dump pending requests:"));
spin_lock(&GlobalMid_Lock); spin_lock(&GlobalMid_Lock);
list_for_each(tmp, &server->pending_mid_q) { list_for_each(tmp, &server->pending_mid_q) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead); mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
if(mid_entry) { if (mid_entry) {
cERROR(1,("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d", cERROR(1, ("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
mid_entry->midState, mid_entry->midState,
(int)mid_entry->command, (int)mid_entry->command,
mid_entry->pid, mid_entry->pid,
mid_entry->tsk, mid_entry->tsk,
mid_entry->mid)); mid_entry->mid));
#ifdef CONFIG_CIFS_STATS2 #ifdef CONFIG_CIFS_STATS2
cERROR(1,("IsLarge: %d buf: %p time rcv: %ld now: %ld", cERROR(1, ("IsLarge: %d buf: %p time rcv: %ld now: %ld",
mid_entry->largeBuf, mid_entry->largeBuf,
mid_entry->resp_buf, mid_entry->resp_buf,
mid_entry->when_received, mid_entry->when_received,
jiffies)); jiffies));
#endif /* STATS2 */ #endif /* STATS2 */
cERROR(1,("IsMult: %d IsEnd: %d", mid_entry->multiRsp, cERROR(1, ("IsMult: %d IsEnd: %d", mid_entry->multiRsp,
mid_entry->multiEnd)); mid_entry->multiEnd));
if(mid_entry->resp_buf) { if (mid_entry->resp_buf) {
cifs_dump_detail(mid_entry->resp_buf); cifs_dump_detail(mid_entry->resp_buf);
cifs_dump_mem("existing buf: ", cifs_dump_mem("existing buf: ",
mid_entry->resp_buf, mid_entry->resp_buf,
62 /* fixme */); 62 /* fixme */);
} }
} }
} }
spin_unlock(&GlobalMid_Lock); spin_unlock(&GlobalMid_Lock);
@ -129,9 +128,10 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
"Display Internal CIFS Data Structures for Debugging\n" "Display Internal CIFS Data Structures for Debugging\n"
"---------------------------------------------------\n"); "---------------------------------------------------\n");
buf += length; buf += length;
length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION); length = sprintf(buf, "CIFS Version %s\n", CIFS_VERSION);
buf += length; buf += length;
length = sprintf(buf,"Active VFS Requests: %d\n", GlobalTotalActiveXid); length = sprintf(buf,
"Active VFS Requests: %d\n", GlobalTotalActiveXid);
buf += length; buf += length;
length = sprintf(buf, "Servers:"); length = sprintf(buf, "Servers:");
buf += length; buf += length;
@ -141,7 +141,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
list_for_each(tmp, &GlobalSMBSessionList) { list_for_each(tmp, &GlobalSMBSessionList) {
i++; i++;
ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
if((ses->serverDomain == NULL) || (ses->serverOS == NULL) || if ((ses->serverDomain == NULL) || (ses->serverOS == NULL) ||
(ses->serverNOS == NULL)) { (ses->serverNOS == NULL)) {
buf += sprintf(buf, "\nentry for %s not fully " buf += sprintf(buf, "\nentry for %s not fully "
"displayed\n\t", ses->serverName); "displayed\n\t", ses->serverName);
@ -149,15 +149,18 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
} else { } else {
length = length =
sprintf(buf, sprintf(buf,
"\n%d) Name: %s Domain: %s Mounts: %d OS: %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB session status: %d\t", "\n%d) Name: %s Domain: %s Mounts: %d OS:"
" %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB"
" session status: %d\t",
i, ses->serverName, ses->serverDomain, i, ses->serverName, ses->serverDomain,
atomic_read(&ses->inUse), atomic_read(&ses->inUse),
ses->serverOS, ses->serverNOS, ses->serverOS, ses->serverNOS,
ses->capabilities,ses->status); ses->capabilities, ses->status);
buf += length; buf += length;
} }
if(ses->server) { if (ses->server) {
buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req On Wire: %d", buf += sprintf(buf, "TCP status: %d\n\tLocal Users To "
"Server: %d SecMode: 0x%x Req On Wire: %d",
ses->server->tcpStatus, ses->server->tcpStatus,
atomic_read(&ses->server->socketUseCount), atomic_read(&ses->server->socketUseCount),
ses->server->secMode, ses->server->secMode,
@ -165,7 +168,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
#ifdef CONFIG_CIFS_STATS2 #ifdef CONFIG_CIFS_STATS2
buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d", buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d",
atomic_read(&ses->server->inSend), atomic_read(&ses->server->inSend),
atomic_read(&ses->server->num_waiters)); atomic_read(&ses->server->num_waiters));
#endif #endif
@ -177,17 +180,19 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
mid_entry = list_entry(tmp1, struct mid_entry = list_entry(tmp1, struct
mid_q_entry, mid_q_entry,
qhead); qhead);
if(mid_entry) { if (mid_entry) {
length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n", length = sprintf(buf,
mid_entry->midState, "State: %d com: %d pid:"
(int)mid_entry->command, " %d tsk: %p mid %d\n",
mid_entry->pid, mid_entry->midState,
mid_entry->tsk, (int)mid_entry->command,
mid_entry->mid); mid_entry->pid,
mid_entry->tsk,
mid_entry->mid);
buf += length; buf += length;
} }
} }
spin_unlock(&GlobalMid_Lock); spin_unlock(&GlobalMid_Lock);
} }
} }
@ -207,7 +212,8 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
length = length =
sprintf(buf, sprintf(buf,
"\n%d) %s Uses: %d Type: %s DevInfo: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d", "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x "
"Attributes: 0x%x\nPathComponentMax: %d Status: %d",
i, tcon->treeName, i, tcon->treeName,
atomic_read(&tcon->useCount), atomic_read(&tcon->useCount),
tcon->nativeFileSystem, tcon->nativeFileSystem,
@ -215,7 +221,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
le32_to_cpu(tcon->fsAttrInfo.Attributes), le32_to_cpu(tcon->fsAttrInfo.Attributes),
le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
tcon->tidStatus); tcon->tidStatus);
buf += length; buf += length;
if (dev_type == FILE_DEVICE_DISK) if (dev_type == FILE_DEVICE_DISK)
length = sprintf(buf, " type: DISK "); length = sprintf(buf, " type: DISK ");
else if (dev_type == FILE_DEVICE_CD_ROM) else if (dev_type == FILE_DEVICE_CD_ROM)
@ -224,7 +230,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
length = length =
sprintf(buf, " type: %d ", dev_type); sprintf(buf, " type: %d ", dev_type);
buf += length; buf += length;
if(tcon->tidStatus == CifsNeedReconnect) { if (tcon->tidStatus == CifsNeedReconnect) {
buf += sprintf(buf, "\tDISCONNECTED "); buf += sprintf(buf, "\tDISCONNECTED ");
length += 14; length += 14;
} }
@ -238,9 +244,9 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
/* Now calculate total size of returned data */ /* Now calculate total size of returned data */
length = buf - original_buf; length = buf - original_buf;
if(offset + count >= length) if (offset + count >= length)
*eof = 1; *eof = 1;
if(length < offset) { if (length < offset) {
*eof = 1; *eof = 1;
return 0; return 0;
} else { } else {
@ -256,18 +262,18 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
static int static int
cifs_stats_write(struct file *file, const char __user *buffer, cifs_stats_write(struct file *file, const char __user *buffer,
unsigned long count, void *data) unsigned long count, void *data)
{ {
char c; char c;
int rc; int rc;
struct list_head *tmp; struct list_head *tmp;
struct cifsTconInfo *tcon; struct cifsTconInfo *tcon;
rc = get_user(c, buffer); rc = get_user(c, buffer);
if (rc) if (rc)
return rc; return rc;
if (c == '1' || c == 'y' || c == 'Y' || c == '0') { if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
read_lock(&GlobalSMBSeslock); read_lock(&GlobalSMBSeslock);
#ifdef CONFIG_CIFS_STATS2 #ifdef CONFIG_CIFS_STATS2
atomic_set(&totBufAllocCount, 0); atomic_set(&totBufAllocCount, 0);
@ -297,14 +303,14 @@ cifs_stats_write(struct file *file, const char __user *buffer,
read_unlock(&GlobalSMBSeslock); read_unlock(&GlobalSMBSeslock);
} }
return count; return count;
} }
static int static int
cifs_stats_read(char *buf, char **beginBuffer, off_t offset, cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
int count, int *eof, void *data) int count, int *eof, void *data)
{ {
int item_length,i,length; int item_length, i, length;
struct list_head *tmp; struct list_head *tmp;
struct cifsTconInfo *tcon; struct cifsTconInfo *tcon;
@ -314,44 +320,44 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
"Resources in use\nCIFS Session: %d\n", "Resources in use\nCIFS Session: %d\n",
sesInfoAllocCount.counter); sesInfoAllocCount.counter);
buf += length; buf += length;
item_length = item_length =
sprintf(buf,"Share (unique mount targets): %d\n", sprintf(buf, "Share (unique mount targets): %d\n",
tconInfoAllocCount.counter); tconInfoAllocCount.counter);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
item_length = item_length =
sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n", sprintf(buf, "SMB Request/Response Buffer: %d Pool size: %d\n",
bufAllocCount.counter, bufAllocCount.counter,
cifs_min_rcv + tcpSesAllocCount.counter); cifs_min_rcv + tcpSesAllocCount.counter);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
item_length = item_length =
sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n", sprintf(buf, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
smBufAllocCount.counter,cifs_min_small); smBufAllocCount.counter, cifs_min_small);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
#ifdef CONFIG_CIFS_STATS2 #ifdef CONFIG_CIFS_STATS2
item_length = sprintf(buf, "Total Large %d Small %d Allocations\n", item_length = sprintf(buf, "Total Large %d Small %d Allocations\n",
atomic_read(&totBufAllocCount), atomic_read(&totBufAllocCount),
atomic_read(&totSmBufAllocCount)); atomic_read(&totSmBufAllocCount));
length += item_length; length += item_length;
buf += item_length; buf += item_length;
#endif /* CONFIG_CIFS_STATS2 */ #endif /* CONFIG_CIFS_STATS2 */
item_length = item_length =
sprintf(buf,"Operations (MIDs): %d\n", sprintf(buf, "Operations (MIDs): %d\n",
midCount.counter); midCount.counter);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
item_length = sprintf(buf, item_length = sprintf(buf,
"\n%d session %d share reconnects\n", "\n%d session %d share reconnects\n",
tcpSesReconnectCount.counter,tconInfoReconnectCount.counter); tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
item_length = sprintf(buf, item_length = sprintf(buf,
"Total vfs operations: %d maximum at one time: %d\n", "Total vfs operations: %d maximum at one time: %d\n",
GlobalCurrentXid,GlobalMaxActiveXid); GlobalCurrentXid, GlobalMaxActiveXid);
length += item_length; length += item_length;
buf += item_length; buf += item_length;
@ -360,10 +366,10 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
list_for_each(tmp, &GlobalTreeConnectionList) { list_for_each(tmp, &GlobalTreeConnectionList) {
i++; i++;
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName); item_length = sprintf(buf, "\n%d) %s", i, tcon->treeName);
buf += item_length; buf += item_length;
length += item_length; length += item_length;
if(tcon->tidStatus == CifsNeedReconnect) { if (tcon->tidStatus == CifsNeedReconnect) {
buf += sprintf(buf, "\tDISCONNECTED "); buf += sprintf(buf, "\tDISCONNECTED ");
length += 14; length += 14;
} }
@ -380,15 +386,15 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
item_length = sprintf(buf, "\nWrites: %d Bytes: %lld", item_length = sprintf(buf, "\nWrites: %d Bytes: %lld",
atomic_read(&tcon->num_writes), atomic_read(&tcon->num_writes),
(long long)(tcon->bytes_written)); (long long)(tcon->bytes_written));
buf += item_length; buf += item_length;
length += item_length; length += item_length;
item_length = sprintf(buf, item_length = sprintf(buf,
"\nLocks: %d HardLinks: %d Symlinks: %d", "\nLocks: %d HardLinks: %d Symlinks: %d",
atomic_read(&tcon->num_locks), atomic_read(&tcon->num_locks),
atomic_read(&tcon->num_hardlinks), atomic_read(&tcon->num_hardlinks),
atomic_read(&tcon->num_symlinks)); atomic_read(&tcon->num_symlinks));
buf += item_length; buf += item_length;
length += item_length; length += item_length;
item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d", item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d",
atomic_read(&tcon->num_opens), atomic_read(&tcon->num_opens),
@ -415,12 +421,12 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
} }
read_unlock(&GlobalSMBSeslock); read_unlock(&GlobalSMBSeslock);
buf += sprintf(buf,"\n"); buf += sprintf(buf, "\n");
length++; length++;
if(offset + count >= length) if (offset + count >= length)
*eof = 1; *eof = 1;
if(length < offset) { if (length < offset) {
*eof = 1; *eof = 1;
return 0; return 0;
} else { } else {
@ -428,7 +434,7 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
} }
if (length > count) if (length > count)
length = count; length = count;
return length; return length;
} }
#endif #endif
@ -547,11 +553,11 @@ cifs_proc_clean(void)
remove_proc_entry("MultiuserMount", proc_fs_cifs); remove_proc_entry("MultiuserMount", proc_fs_cifs);
remove_proc_entry("OplockEnabled", proc_fs_cifs); remove_proc_entry("OplockEnabled", proc_fs_cifs);
/* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */ /* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */
remove_proc_entry("SecurityFlags",proc_fs_cifs); remove_proc_entry("SecurityFlags", proc_fs_cifs);
/* remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); */ /* remove_proc_entry("PacketSigningEnabled", proc_fs_cifs); */
remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs); remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
remove_proc_entry("Experimental",proc_fs_cifs); remove_proc_entry("Experimental", proc_fs_cifs);
remove_proc_entry("LookupCacheEnabled",proc_fs_cifs); remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
remove_proc_entry("cifs", proc_root_fs); remove_proc_entry("cifs", proc_root_fs);
} }
@ -590,7 +596,7 @@ cifsFYI_write(struct file *file, const char __user *buffer,
cifsFYI = 0; cifsFYI = 0;
else if (c == '1' || c == 'y' || c == 'Y') else if (c == '1' || c == 'y' || c == 'Y')
cifsFYI = 1; cifsFYI = 1;
else if((c > '1') && (c <= '9')) else if ((c > '1') && (c <= '9'))
cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
return count; return count;
@ -637,28 +643,28 @@ oplockEnabled_write(struct file *file, const char __user *buffer,
static int static int
experimEnabled_read(char *page, char **start, off_t off, experimEnabled_read(char *page, char **start, off_t off,
int count, int *eof, void *data) int count, int *eof, void *data)
{ {
int len; int len;
len = sprintf(page, "%d\n", experimEnabled); len = sprintf(page, "%d\n", experimEnabled);
len -= off; len -= off;
*start = page + off; *start = page + off;
if (len > count) if (len > count)
len = count; len = count;
else else
*eof = 1; *eof = 1;
if (len < 0) if (len < 0)
len = 0; len = 0;
return len; return len;
} }
static int static int
experimEnabled_write(struct file *file, const char __user *buffer, experimEnabled_write(struct file *file, const char __user *buffer,
unsigned long count, void *data) unsigned long count, void *data)
{ {
char c; char c;
int rc; int rc;
@ -678,46 +684,46 @@ experimEnabled_write(struct file *file, const char __user *buffer,
static int static int
linuxExtensionsEnabled_read(char *page, char **start, off_t off, linuxExtensionsEnabled_read(char *page, char **start, off_t off,
int count, int *eof, void *data) int count, int *eof, void *data)
{ {
int len; int len;
len = sprintf(page, "%d\n", linuxExtEnabled); len = sprintf(page, "%d\n", linuxExtEnabled);
len -= off; len -= off;
*start = page + off; *start = page + off;
if (len > count) if (len > count)
len = count; len = count;
else else
*eof = 1; *eof = 1;
if (len < 0) if (len < 0)
len = 0; len = 0;
return len; return len;
} }
static int static int
linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
unsigned long count, void *data) unsigned long count, void *data)
{ {
char c; char c;
int rc; int rc;
rc = get_user(c, buffer); rc = get_user(c, buffer);
if (rc) if (rc)
return rc; return rc;
if (c == '0' || c == 'n' || c == 'N') if (c == '0' || c == 'n' || c == 'N')
linuxExtEnabled = 0; linuxExtEnabled = 0;
else if (c == '1' || c == 'y' || c == 'Y') else if (c == '1' || c == 'y' || c == 'Y')
linuxExtEnabled = 1; linuxExtEnabled = 1;
return count; return count;
} }
static int static int
lookupFlag_read(char *page, char **start, off_t off, lookupFlag_read(char *page, char **start, off_t off,
int count, int *eof, void *data) int count, int *eof, void *data)
{ {
int len; int len;
@ -860,15 +866,15 @@ security_flags_write(struct file *file, const char __user *buffer,
char flags_string[12]; char flags_string[12];
char c; char c;
if((count < 1) || (count > 11)) if ((count < 1) || (count > 11))
return -EINVAL; return -EINVAL;
memset(flags_string, 0, 12); memset(flags_string, 0, 12);
if(copy_from_user(flags_string, buffer, count)) if (copy_from_user(flags_string, buffer, count))
return -EFAULT; return -EFAULT;
if(count < 3) { if (count < 3) {
/* single char or single char followed by null */ /* single char or single char followed by null */
c = flags_string[0]; c = flags_string[0];
if (c == '0' || c == 'n' || c == 'N') if (c == '0' || c == 'n' || c == 'N')
@ -881,15 +887,15 @@ security_flags_write(struct file *file, const char __user *buffer,
flags = simple_strtoul(flags_string, NULL, 0); flags = simple_strtoul(flags_string, NULL, 0);
cFYI(1,("sec flags 0x%x", flags)); cFYI(1, ("sec flags 0x%x", flags));
if(flags <= 0) { if (flags <= 0) {
cERROR(1,("invalid security flags %s",flags_string)); cERROR(1, ("invalid security flags %s", flags_string));
return -EINVAL; return -EINVAL;
} }
if(flags & ~CIFSSEC_MASK) { if (flags & ~CIFSSEC_MASK) {
cERROR(1,("attempt to set unsupported security flags 0x%x", cERROR(1, ("attempt to set unsupported security flags 0x%x",
flags & ~CIFSSEC_MASK)); flags & ~CIFSSEC_MASK));
return -EINVAL; return -EINVAL;
} }

12
fs/cifs/cifs_unicode.c
View file

@ -6,16 +6,16 @@
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details. * the GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#include <linux/fs.h> #include <linux/fs.h>
@ -32,7 +32,7 @@
* *
*/ */
int int
cifs_strfromUCS_le(char *to, const __le16 * from, cifs_strfromUCS_le(char *to, const __le16 * from,
int len, const struct nls_table *codepage) int len, const struct nls_table *codepage)
{ {
int i; int i;
@ -66,7 +66,7 @@ cifs_strtoUCS(__le16 * to, const char *from, int len,
{ {
int charlen; int charlen;
int i; int i;
wchar_t * wchar_to = (wchar_t *)to; /* needed to quiet sparse */ wchar_t * wchar_to = (wchar_t *)to; /* needed to quiet sparse */
for (i = 0; len && *from; i++, from += charlen, len -= charlen) { for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
@ -79,7 +79,7 @@ cifs_strtoUCS(__le16 * to, const char *from, int len,
/* A question mark */ /* A question mark */
to[i] = cpu_to_le16(0x003f); to[i] = cpu_to_le16(0x003f);
charlen = 1; charlen = 1;
} else } else
to[i] = cpu_to_le16(wchar_to[i]); to[i] = cpu_to_le16(wchar_to[i]);
} }

2
fs/cifs/cifsfs.c
View file

@ -825,8 +825,8 @@ cifs_init_mids(void)
sizeof (struct oplock_q_entry), 0, sizeof (struct oplock_q_entry), 0,
SLAB_HWCACHE_ALIGN, NULL, NULL); SLAB_HWCACHE_ALIGN, NULL, NULL);
if (cifs_oplock_cachep == NULL) { if (cifs_oplock_cachep == NULL) {
kmem_cache_destroy(cifs_mid_cachep);
mempool_destroy(cifs_mid_poolp); mempool_destroy(cifs_mid_poolp);
kmem_cache_destroy(cifs_mid_cachep);
return -ENOMEM; return -ENOMEM;
} }

4
fs/cifs/cifssmb.c
View file

@ -433,8 +433,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
cFYI(1,("secFlags 0x%x",secFlags)); cFYI(1,("secFlags 0x%x",secFlags));
pSMB->hdr.Mid = GetNextMid(server); pSMB->hdr.Mid = GetNextMid(server);
pSMB->hdr.Flags2 |= SMBFLG2_UNICODE; pSMB->hdr.Flags2 |= (SMBFLG2_UNICODE | SMBFLG2_ERR_STATUS);
if((secFlags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5) if ((secFlags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC; pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
count = 0; count = 0;

16
fs/cifs/connect.c
View file

@ -2069,8 +2069,15 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
srvTcp->tcpStatus = CifsExiting; srvTcp->tcpStatus = CifsExiting;
spin_unlock(&GlobalMid_Lock); spin_unlock(&GlobalMid_Lock);
if (srvTcp->tsk) { if (srvTcp->tsk) {
struct task_struct *tsk;
/* If we could verify that kthread_stop would
always wake up processes blocked in
tcp in recv_mesg then we could remove the
send_sig call */
send_sig(SIGKILL,srvTcp->tsk,1); send_sig(SIGKILL,srvTcp->tsk,1);
kthread_stop(srvTcp->tsk); tsk = srvTcp->tsk;
if(tsk)
kthread_stop(tsk);
} }
} }
/* If find_unc succeeded then rc == 0 so we can not end */ /* If find_unc succeeded then rc == 0 so we can not end */
@ -2085,8 +2092,11 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* if the socketUseCount is now zero */ /* if the socketUseCount is now zero */
if ((temp_rc == -ESHUTDOWN) && if ((temp_rc == -ESHUTDOWN) &&
(pSesInfo->server) && (pSesInfo->server->tsk)) { (pSesInfo->server) && (pSesInfo->server->tsk)) {
struct task_struct *tsk;
send_sig(SIGKILL,pSesInfo->server->tsk,1); send_sig(SIGKILL,pSesInfo->server->tsk,1);
kthread_stop(pSesInfo->server->tsk); tsk = pSesInfo->server->tsk;
if (tsk)
kthread_stop(tsk);
} }
} else } else
cFYI(1, ("No session or bad tcon")); cFYI(1, ("No session or bad tcon"));
@ -3334,7 +3344,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
return 0; return 0;
} else if (rc == -ESHUTDOWN) { } else if (rc == -ESHUTDOWN) {
cFYI(1,("Waking up socket by sending it signal")); cFYI(1,("Waking up socket by sending it signal"));
if(cifsd_task) { if (cifsd_task) {
send_sig(SIGKILL,cifsd_task,1); send_sig(SIGKILL,cifsd_task,1);
kthread_stop(cifsd_task); kthread_stop(cifsd_task);
} }

184
fs/cifs/dir.c
View file

@ -2,7 +2,7 @@
* fs/cifs/dir.c * fs/cifs/dir.c
* *
* vfs operations that deal with dentries * vfs operations that deal with dentries
* *
* Copyright (C) International Business Machines Corp., 2002,2005 * Copyright (C) International Business Machines Corp., 2002,2005
* Author(s): Steve French (sfrench@us.ibm.com) * Author(s): Steve French (sfrench@us.ibm.com)
* *
@ -34,11 +34,12 @@
static void static void
renew_parental_timestamps(struct dentry *direntry) renew_parental_timestamps(struct dentry *direntry)
{ {
/* BB check if there is a way to get the kernel to do this or if we really need this */ /* BB check if there is a way to get the kernel to do this or if we
really need this */
do { do {
direntry->d_time = jiffies; direntry->d_time = jiffies;
direntry = direntry->d_parent; direntry = direntry->d_parent;
} while (!IS_ROOT(direntry)); } while (!IS_ROOT(direntry));
} }
/* Note: caller must free return buffer */ /* Note: caller must free return buffer */
@ -51,7 +52,7 @@ build_path_from_dentry(struct dentry *direntry)
char *full_path; char *full_path;
char dirsep; char dirsep;
if(direntry == NULL) if (direntry == NULL)
return NULL; /* not much we can do if dentry is freed and return NULL; /* not much we can do if dentry is freed and
we need to reopen the file after it was closed implicitly we need to reopen the file after it was closed implicitly
when the server crashed */ when the server crashed */
@ -59,18 +60,18 @@ build_path_from_dentry(struct dentry *direntry)
dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb)); dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
pplen = CIFS_SB(direntry->d_sb)->prepathlen; pplen = CIFS_SB(direntry->d_sb)->prepathlen;
cifs_bp_rename_retry: cifs_bp_rename_retry:
namelen = pplen; namelen = pplen;
for (temp = direntry; !IS_ROOT(temp);) { for (temp = direntry; !IS_ROOT(temp);) {
namelen += (1 + temp->d_name.len); namelen += (1 + temp->d_name.len);
temp = temp->d_parent; temp = temp->d_parent;
if(temp == NULL) { if (temp == NULL) {
cERROR(1,("corrupt dentry")); cERROR(1, ("corrupt dentry"));
return NULL; return NULL;
} }
} }
full_path = kmalloc(namelen+1, GFP_KERNEL); full_path = kmalloc(namelen+1, GFP_KERNEL);
if(full_path == NULL) if (full_path == NULL)
return full_path; return full_path;
full_path[namelen] = 0; /* trailing null */ full_path[namelen] = 0; /* trailing null */
for (temp = direntry; !IS_ROOT(temp);) { for (temp = direntry; !IS_ROOT(temp);) {
@ -84,8 +85,8 @@ cifs_bp_rename_retry:
cFYI(0, ("name: %s", full_path + namelen)); cFYI(0, ("name: %s", full_path + namelen));
} }
temp = temp->d_parent; temp = temp->d_parent;
if(temp == NULL) { if (temp == NULL) {
cERROR(1,("corrupt dentry")); cERROR(1, ("corrupt dentry"));
kfree(full_path); kfree(full_path);
return NULL; return NULL;
} }
@ -94,7 +95,7 @@ cifs_bp_rename_retry:
cERROR(1, cERROR(1,
("did not end path lookup where expected namelen is %d", ("did not end path lookup where expected namelen is %d",
namelen)); namelen));
/* presumably this is only possible if racing with a rename /* presumably this is only possible if racing with a rename
of one of the parent directories (we can not lock the dentries of one of the parent directories (we can not lock the dentries
above us to prevent this, but retrying should be harmless) */ above us to prevent this, but retrying should be harmless) */
kfree(full_path); kfree(full_path);
@ -106,7 +107,7 @@ cifs_bp_rename_retry:
since the '\' is a valid posix character so we can not switch since the '\' is a valid posix character so we can not switch
those safely to '/' if any are found in the middle of the prepath */ those safely to '/' if any are found in the middle of the prepath */
/* BB test paths to Windows with '/' in the midst of prepath */ /* BB test paths to Windows with '/' in the midst of prepath */
strncpy(full_path,CIFS_SB(direntry->d_sb)->prepath,pplen); strncpy(full_path, CIFS_SB(direntry->d_sb)->prepath, pplen);
return full_path; return full_path;
} }
@ -147,12 +148,12 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
pTcon = cifs_sb->tcon; pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(direntry); full_path = build_path_from_dentry(direntry);
if(full_path == NULL) { if (full_path == NULL) {
FreeXid(xid); FreeXid(xid);
return -ENOMEM; return -ENOMEM;
} }
if(nd && (nd->flags & LOOKUP_OPEN)) { if (nd && (nd->flags & LOOKUP_OPEN)) {
int oflags = nd->intent.open.flags; int oflags = nd->intent.open.flags;
desiredAccess = 0; desiredAccess = 0;
@ -164,28 +165,29 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
write_only = TRUE; write_only = TRUE;
} }
if((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
disposition = FILE_CREATE; disposition = FILE_CREATE;
else if((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC))
disposition = FILE_OVERWRITE_IF; disposition = FILE_OVERWRITE_IF;
else if((oflags & O_CREAT) == O_CREAT) else if ((oflags & O_CREAT) == O_CREAT)
disposition = FILE_OPEN_IF; disposition = FILE_OPEN_IF;
else { else {
cFYI(1,("Create flag not set in create function")); cFYI(1, ("Create flag not set in create function"));
} }
} }
/* BB add processing to set equivalent of mode - e.g. via CreateX with ACLs */ /* BB add processing to set equivalent of mode - e.g. via CreateX with
ACLs */
if (oplockEnabled) if (oplockEnabled)
oplock = REQ_OPLOCK; oplock = REQ_OPLOCK;
buf = kmalloc(sizeof(FILE_ALL_INFO),GFP_KERNEL); buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if(buf == NULL) { if (buf == NULL) {
kfree(full_path); kfree(full_path);
FreeXid(xid); FreeXid(xid);
return -ENOMEM; return -ENOMEM;
} }
if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS) if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS)
rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
desiredAccess, CREATE_NOT_DIR, desiredAccess, CREATE_NOT_DIR,
&fileHandle, &oplock, buf, cifs_sb->local_nls, &fileHandle, &oplock, buf, cifs_sb->local_nls,
@ -193,27 +195,28 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
else else
rc = -EIO; /* no NT SMB support fall into legacy open below */ rc = -EIO; /* no NT SMB support fall into legacy open below */
if(rc == -EIO) { if (rc == -EIO) {
/* old server, retry the open legacy style */ /* old server, retry the open legacy style */
rc = SMBLegacyOpen(xid, pTcon, full_path, disposition, rc = SMBLegacyOpen(xid, pTcon, full_path, disposition,
desiredAccess, CREATE_NOT_DIR, desiredAccess, CREATE_NOT_DIR,
&fileHandle, &oplock, buf, cifs_sb->local_nls, &fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
} }
if (rc) { if (rc) {
cFYI(1, ("cifs_create returned 0x%x", rc)); cFYI(1, ("cifs_create returned 0x%x", rc));
} else { } else {
/* If Open reported that we actually created a file /* If Open reported that we actually created a file
then we now have to set the mode if possible */ then we now have to set the mode if possible */
if ((cifs_sb->tcon->ses->capabilities & CAP_UNIX) && if ((cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
(oplock & CIFS_CREATE_ACTION)) (oplock & CIFS_CREATE_ACTION)) {
if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode, CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
(__u64)current->fsuid, (__u64)current->fsuid,
(__u64)current->fsgid, (__u64)current->fsgid,
0 /* dev */, 0 /* dev */,
cifs_sb->local_nls, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
} else { } else {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode, CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
@ -221,26 +224,28 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
(__u64)-1, (__u64)-1,
0 /* dev */, 0 /* dev */,
cifs_sb->local_nls, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
} }
else { } else {
/* BB implement mode setting via Windows security descriptors */ /* BB implement mode setting via Windows security
/* eg CIFSSMBWinSetPerms(xid,pTcon,full_path,mode,-1,-1,local_nls);*/ descriptors e.g. */
/* could set r/o dos attribute if mode & 0222 == 0 */ /* CIFSSMBWinSetPerms(xid,pTcon,path,mode,-1,-1,nls);*/
/* Could set r/o dos attribute if mode & 0222 == 0 */
} }
/* BB server might mask mode so we have to query for Unix case*/ /* BB server might mask mode so we have to query for Unix case*/
if (pTcon->ses->capabilities & CAP_UNIX) if (pTcon->ses->capabilities & CAP_UNIX)
rc = cifs_get_inode_info_unix(&newinode, full_path, rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb,xid); inode->i_sb, xid);
else { else {
rc = cifs_get_inode_info(&newinode, full_path, rc = cifs_get_inode_info(&newinode, full_path,
buf, inode->i_sb,xid); buf, inode->i_sb, xid);
if(newinode) { if (newinode) {
newinode->i_mode = mode; newinode->i_mode = mode;
if((oplock & CIFS_CREATE_ACTION) && if ((oplock & CIFS_CREATE_ACTION) &&
(cifs_sb->mnt_cifs_flags & (cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_SET_UID)) { CIFS_MOUNT_SET_UID)) {
newinode->i_uid = current->fsuid; newinode->i_uid = current->fsuid;
newinode->i_gid = current->fsgid; newinode->i_gid = current->fsgid;
@ -259,14 +264,14 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
direntry->d_op = &cifs_dentry_ops; direntry->d_op = &cifs_dentry_ops;
d_instantiate(direntry, newinode); d_instantiate(direntry, newinode);
} }
if((nd->flags & LOOKUP_OPEN) == FALSE) { if ((nd->flags & LOOKUP_OPEN) == FALSE) {
/* mknod case - do not leave file open */ /* mknod case - do not leave file open */
CIFSSMBClose(xid, pTcon, fileHandle); CIFSSMBClose(xid, pTcon, fileHandle);
} else if(newinode) { } else if (newinode) {
pCifsFile = pCifsFile =
kzalloc(sizeof (struct cifsFileInfo), GFP_KERNEL); kzalloc(sizeof (struct cifsFileInfo), GFP_KERNEL);
if(pCifsFile == NULL) if (pCifsFile == NULL)
goto cifs_create_out; goto cifs_create_out;
pCifsFile->netfid = fileHandle; pCifsFile->netfid = fileHandle;
pCifsFile->pid = current->tgid; pCifsFile->pid = current->tgid;
@ -276,33 +281,33 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
init_MUTEX(&pCifsFile->fh_sem); init_MUTEX(&pCifsFile->fh_sem);
mutex_init(&pCifsFile->lock_mutex); mutex_init(&pCifsFile->lock_mutex);
INIT_LIST_HEAD(&pCifsFile->llist); INIT_LIST_HEAD(&pCifsFile->llist);
atomic_set(&pCifsFile->wrtPending,0); atomic_set(&pCifsFile->wrtPending, 0);
/* set the following in open now /* set the following in open now
pCifsFile->pfile = file; */ pCifsFile->pfile = file; */
write_lock(&GlobalSMBSeslock); write_lock(&GlobalSMBSeslock);
list_add(&pCifsFile->tlist,&pTcon->openFileList); list_add(&pCifsFile->tlist, &pTcon->openFileList);
pCifsInode = CIFS_I(newinode); pCifsInode = CIFS_I(newinode);
if(pCifsInode) { if (pCifsInode) {
/* if readable file instance put first in list*/ /* if readable file instance put first in list*/
if (write_only == TRUE) { if (write_only == TRUE) {
list_add_tail(&pCifsFile->flist, list_add_tail(&pCifsFile->flist,
&pCifsInode->openFileList); &pCifsInode->openFileList);
} else { } else {
list_add(&pCifsFile->flist, list_add(&pCifsFile->flist,
&pCifsInode->openFileList); &pCifsInode->openFileList);
} }
if((oplock & 0xF) == OPLOCK_EXCLUSIVE) { if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
pCifsInode->clientCanCacheAll = TRUE; pCifsInode->clientCanCacheAll = TRUE;
pCifsInode->clientCanCacheRead = TRUE; pCifsInode->clientCanCacheRead = TRUE;
cFYI(1,("Exclusive Oplock for inode %p", cFYI(1, ("Exclusive Oplock inode %p",
newinode)); newinode));
} else if((oplock & 0xF) == OPLOCK_READ) } else if ((oplock & 0xF) == OPLOCK_READ)
pCifsInode->clientCanCacheRead = TRUE; pCifsInode->clientCanCacheRead = TRUE;
} }
write_unlock(&GlobalSMBSeslock); write_unlock(&GlobalSMBSeslock);
} }
} }
cifs_create_out: cifs_create_out:
kfree(buf); kfree(buf);
kfree(full_path); kfree(full_path);
@ -310,8 +315,8 @@ cifs_create_out:
return rc; return rc;
} }
int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
dev_t device_number) dev_t device_number)
{ {
int rc = -EPERM; int rc = -EPERM;
int xid; int xid;
@ -329,43 +334,45 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
pTcon = cifs_sb->tcon; pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(direntry); full_path = build_path_from_dentry(direntry);
if(full_path == NULL) if (full_path == NULL)
rc = -ENOMEM; rc = -ENOMEM;
else if (pTcon->ses->capabilities & CAP_UNIX) { else if (pTcon->ses->capabilities & CAP_UNIX) {
if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path, rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode,(__u64)current->fsuid,(__u64)current->fsgid, mode, (__u64)current->fsuid,
(__u64)current->fsgid,
device_number, cifs_sb->local_nls, device_number, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
} else { } else {
rc = CIFSSMBUnixSetPerms(xid, pTcon, rc = CIFSSMBUnixSetPerms(xid, pTcon,
full_path, mode, (__u64)-1, (__u64)-1, full_path, mode, (__u64)-1, (__u64)-1,
device_number, cifs_sb->local_nls, device_number, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
} }
if(!rc) { if (!rc) {
rc = cifs_get_inode_info_unix(&newinode, full_path, rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb,xid); inode->i_sb, xid);
if (pTcon->nocase) if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops; direntry->d_op = &cifs_ci_dentry_ops;
else else
direntry->d_op = &cifs_dentry_ops; direntry->d_op = &cifs_dentry_ops;
if(rc == 0) if (rc == 0)
d_instantiate(direntry, newinode); d_instantiate(direntry, newinode);
} }
} else { } else {
if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
int oplock = 0; int oplock = 0;
u16 fileHandle; u16 fileHandle;
FILE_ALL_INFO * buf; FILE_ALL_INFO * buf;
cFYI(1,("sfu compat create special file")); cFYI(1, ("sfu compat create special file"));
buf = kmalloc(sizeof(FILE_ALL_INFO),GFP_KERNEL); buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if(buf == NULL) { if (buf == NULL) {
kfree(full_path); kfree(full_path);
FreeXid(xid); FreeXid(xid);
return -ENOMEM; return -ENOMEM;
@ -373,39 +380,38 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
rc = CIFSSMBOpen(xid, pTcon, full_path, rc = CIFSSMBOpen(xid, pTcon, full_path,
FILE_CREATE, /* fail if exists */ FILE_CREATE, /* fail if exists */
GENERIC_WRITE /* BB would GENERIC_WRITE /* BB would
WRITE_OWNER | WRITE_DAC be better? */, WRITE_OWNER | WRITE_DAC be better? */,
/* Create a file and set the /* Create a file and set the
file attribute to SYSTEM */ file attribute to SYSTEM */
CREATE_NOT_DIR | CREATE_OPTION_SPECIAL, CREATE_NOT_DIR | CREATE_OPTION_SPECIAL,
&fileHandle, &oplock, buf, &fileHandle, &oplock, buf,
cifs_sb->local_nls, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
/* BB FIXME - add handling for backlevel servers /* BB FIXME - add handling for backlevel servers
which need legacy open and check for all which need legacy open and check for all
calls to SMBOpen for fallback to calls to SMBOpen for fallback to SMBLeagcyOpen */
SMBLeagcyOpen */ if (!rc) {
if(!rc) {
/* BB Do not bother to decode buf since no /* BB Do not bother to decode buf since no
local inode yet to put timestamps in, local inode yet to put timestamps in,
but we can reuse it safely */ but we can reuse it safely */
int bytes_written; int bytes_written;
struct win_dev *pdev; struct win_dev *pdev;
pdev = (struct win_dev *)buf; pdev = (struct win_dev *)buf;
if(S_ISCHR(mode)) { if (S_ISCHR(mode)) {
memcpy(pdev->type, "IntxCHR", 8); memcpy(pdev->type, "IntxCHR", 8);
pdev->major = pdev->major =
cpu_to_le64(MAJOR(device_number)); cpu_to_le64(MAJOR(device_number));
pdev->minor = pdev->minor =
cpu_to_le64(MINOR(device_number)); cpu_to_le64(MINOR(device_number));
rc = CIFSSMBWrite(xid, pTcon, rc = CIFSSMBWrite(xid, pTcon,
fileHandle, fileHandle,
sizeof(struct win_dev), sizeof(struct win_dev),
0, &bytes_written, (char *)pdev, 0, &bytes_written, (char *)pdev,
NULL, 0); NULL, 0);
} else if(S_ISBLK(mode)) { } else if (S_ISBLK(mode)) {
memcpy(pdev->type, "IntxBLK", 8); memcpy(pdev->type, "IntxBLK", 8);
pdev->major = pdev->major =
cpu_to_le64(MAJOR(device_number)); cpu_to_le64(MAJOR(device_number));
@ -432,7 +438,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
struct dentry * struct dentry *
cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct nameidata *nd) cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
struct nameidata *nd)
{ {
int xid; int xid;
int rc = 0; /* to get around spurious gcc warning, set to zero here */ int rc = 0; /* to get around spurious gcc warning, set to zero here */
@ -447,8 +454,6 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
(" parent inode = 0x%p name is: %s and dentry = 0x%p", (" parent inode = 0x%p name is: %s and dentry = 0x%p",
parent_dir_inode, direntry->d_name.name, direntry)); parent_dir_inode, direntry->d_name.name, direntry));
/* BB Add check of incoming data - e.g. frame not longer than maximum SMB - let server check the namelen BB */
/* check whether path exists */ /* check whether path exists */
cifs_sb = CIFS_SB(parent_dir_inode->i_sb); cifs_sb = CIFS_SB(parent_dir_inode->i_sb);
@ -472,7 +477,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
deadlock in the cases (beginning of sys_rename itself) deadlock in the cases (beginning of sys_rename itself)
in which we already have the sb rename sem */ in which we already have the sb rename sem */
full_path = build_path_from_dentry(direntry); full_path = build_path_from_dentry(direntry);
if(full_path == NULL) { if (full_path == NULL) {
FreeXid(xid); FreeXid(xid);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
} }
@ -487,10 +492,10 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
if (pTcon->ses->capabilities & CAP_UNIX) if (pTcon->ses->capabilities & CAP_UNIX)
rc = cifs_get_inode_info_unix(&newInode, full_path, rc = cifs_get_inode_info_unix(&newInode, full_path,
parent_dir_inode->i_sb,xid); parent_dir_inode->i_sb, xid);
else else
rc = cifs_get_inode_info(&newInode, full_path, NULL, rc = cifs_get_inode_info(&newInode, full_path, NULL,
parent_dir_inode->i_sb,xid); parent_dir_inode->i_sb, xid);
if ((rc == 0) && (newInode != NULL)) { if ((rc == 0) && (newInode != NULL)) {
if (pTcon->nocase) if (pTcon->nocase)
@ -499,7 +504,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
direntry->d_op = &cifs_dentry_ops; direntry->d_op = &cifs_dentry_ops;
d_add(direntry, newInode); d_add(direntry, newInode);
/* since paths are not looked up by component - the parent /* since paths are not looked up by component - the parent
directories are presumed to be good here */ directories are presumed to be good here */
renew_parental_timestamps(direntry); renew_parental_timestamps(direntry);
@ -511,13 +516,13 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
else else
direntry->d_op = &cifs_dentry_ops; direntry->d_op = &cifs_dentry_ops;
d_add(direntry, NULL); d_add(direntry, NULL);
/* if it was once a directory (but how can we tell?) we could do /* if it was once a directory (but how can we tell?) we could do
shrink_dcache_parent(direntry); */ shrink_dcache_parent(direntry); */
} else { } else {
cERROR(1,("Error 0x%x on cifs_get_inode_info in lookup of %s", cERROR(1, ("Error 0x%x on cifs_get_inode_info in lookup of %s",
rc,full_path)); rc, full_path));
/* BB special case check for Access Denied - watch security /* BB special case check for Access Denied - watch security
exposure of returning dir info implicitly via different rc exposure of returning dir info implicitly via different rc
if file exists or not but no access BB */ if file exists or not but no access BB */
} }
@ -538,11 +543,11 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
} else { } else {
cFYI(1, ("neg dentry 0x%p name = %s", cFYI(1, ("neg dentry 0x%p name = %s",
direntry, direntry->d_name.name)); direntry, direntry->d_name.name));
if(time_after(jiffies, direntry->d_time + HZ) || if (time_after(jiffies, direntry->d_time + HZ) ||
!lookupCacheEnabled) { !lookupCacheEnabled) {
d_drop(direntry); d_drop(direntry);
isValid = 0; isValid = 0;
} }
} }
return isValid; return isValid;
@ -559,8 +564,7 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
struct dentry_operations cifs_dentry_ops = { struct dentry_operations cifs_dentry_ops = {
.d_revalidate = cifs_d_revalidate, .d_revalidate = cifs_d_revalidate,
/* d_delete: cifs_d_delete, *//* not needed except for debugging */ /* d_delete: cifs_d_delete, */ /* not needed except for debugging */
/* no need for d_hash, d_compare, d_release, d_iput ... yet. BB confirm this BB */
}; };
static int cifs_ci_hash(struct dentry *dentry, struct qstr *q) static int cifs_ci_hash(struct dentry *dentry, struct qstr *q)

46
fs/cifs/fcntl.c
View file

@ -2,7 +2,7 @@
* fs/cifs/fcntl.c * fs/cifs/fcntl.c
* *
* vfs operations that deal with the file control API * vfs operations that deal with the file control API
* *
* Copyright (C) International Business Machines Corp., 2003,2004 * Copyright (C) International Business Machines Corp., 2003,2004
* Author(s): Steve French (sfrench@us.ibm.com) * Author(s): Steve French (sfrench@us.ibm.com)
* *
@ -35,35 +35,34 @@ static __u32 convert_to_cifs_notify_flags(unsigned long fcntl_notify_flags)
/* No way on Linux VFS to ask to monitor xattr /* No way on Linux VFS to ask to monitor xattr
changes (and no stream support either */ changes (and no stream support either */
if(fcntl_notify_flags & DN_ACCESS) { if (fcntl_notify_flags & DN_ACCESS) {
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_ACCESS; cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
} }
if(fcntl_notify_flags & DN_MODIFY) { if (fcntl_notify_flags & DN_MODIFY) {
/* What does this mean on directories? */ /* What does this mean on directories? */
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_SIZE; FILE_NOTIFY_CHANGE_SIZE;
} }
if(fcntl_notify_flags & DN_CREATE) { if (fcntl_notify_flags & DN_CREATE) {
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_CREATION | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_CREATION |
FILE_NOTIFY_CHANGE_LAST_WRITE; FILE_NOTIFY_CHANGE_LAST_WRITE;
} }
if(fcntl_notify_flags & DN_DELETE) { if (fcntl_notify_flags & DN_DELETE) {
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE; cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE;
} }
if(fcntl_notify_flags & DN_RENAME) { if (fcntl_notify_flags & DN_RENAME) {
/* BB review this - checking various server behaviors */ /* BB review this - checking various server behaviors */
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_DIR_NAME | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_DIR_NAME |
FILE_NOTIFY_CHANGE_FILE_NAME; FILE_NOTIFY_CHANGE_FILE_NAME;
} }
if(fcntl_notify_flags & DN_ATTRIB) { if (fcntl_notify_flags & DN_ATTRIB) {
cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_SECURITY | cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_SECURITY |
FILE_NOTIFY_CHANGE_ATTRIBUTES; FILE_NOTIFY_CHANGE_ATTRIBUTES;
} }
/* if(fcntl_notify_flags & DN_MULTISHOT) { /* if (fcntl_notify_flags & DN_MULTISHOT) {
cifs_ntfy_flags |= ; cifs_ntfy_flags |= ;
} */ /* BB fixme - not sure how to handle this with CIFS yet */ } */ /* BB fixme - not sure how to handle this with CIFS yet */
return cifs_ntfy_flags; return cifs_ntfy_flags;
} }
@ -78,8 +77,7 @@ int cifs_dir_notify(struct file * file, unsigned long arg)
__u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES; __u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES;
__u16 netfid; __u16 netfid;
if (experimEnabled == 0)
if(experimEnabled == 0)
return 0; return 0;
xid = GetXid(); xid = GetXid();
@ -88,21 +86,21 @@ int cifs_dir_notify(struct file * file, unsigned long arg)
full_path = build_path_from_dentry(file->f_path.dentry); full_path = build_path_from_dentry(file->f_path.dentry);
if(full_path == NULL) { if (full_path == NULL) {
rc = -ENOMEM; rc = -ENOMEM;
} else { } else {
cFYI(1,("dir notify on file %s Arg 0x%lx",full_path,arg)); cFYI(1, ("dir notify on file %s Arg 0x%lx", full_path, arg));
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN,
GENERIC_READ | SYNCHRONIZE, 0 /* create options */, GENERIC_READ | SYNCHRONIZE, 0 /* create options */,
&netfid, &oplock,NULL, cifs_sb->local_nls, &netfid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
/* BB fixme - add this handle to a notify handle list */ /* BB fixme - add this handle to a notify handle list */
if(rc) { if (rc) {
cFYI(1,("Could not open directory for notify")); cFYI(1, ("Could not open directory for notify"));
} else { } else {
filter = convert_to_cifs_notify_flags(arg); filter = convert_to_cifs_notify_flags(arg);
if(filter != 0) { if (filter != 0) {
rc = CIFSSMBNotify(xid, pTcon, rc = CIFSSMBNotify(xid, pTcon,
0 /* no subdirs */, netfid, 0 /* no subdirs */, netfid,
filter, file, arg & DN_MULTISHOT, filter, file, arg & DN_MULTISHOT,
cifs_sb->local_nls); cifs_sb->local_nls);
@ -113,10 +111,10 @@ int cifs_dir_notify(struct file * file, unsigned long arg)
it would close automatically but may be a way it would close automatically but may be a way
to do it easily when inode freed or when to do it easily when inode freed or when
notify info is cleared/changed */ notify info is cleared/changed */
cFYI(1,("notify rc %d",rc)); cFYI(1, ("notify rc %d", rc));
} }
} }
FreeXid(xid); FreeXid(xid);
return rc; return rc;
} }

5
fs/cifs/inode.c
View file

@ -986,7 +986,8 @@ mkdir_get_info:
* failed to get it from the server or was set bogus */ * failed to get it from the server or was set bogus */
if ((direntry->d_inode) && (direntry->d_inode->i_nlink < 2)) if ((direntry->d_inode) && (direntry->d_inode->i_nlink < 2))
direntry->d_inode->i_nlink = 2; direntry->d_inode->i_nlink = 2;
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) {
mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode, mode,
@ -1004,7 +1005,7 @@ mkdir_get_info:
cifs_sb->mnt_cifs_flags & cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR); CIFS_MOUNT_MAP_SPECIAL_CHR);
} }
else { } else {
/* BB to be implemented via Windows secrty descriptors /* BB to be implemented via Windows secrty descriptors
eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode, eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
-1, -1, local_nls); */ -1, -1, local_nls); */

29
fs/cifs/ioctl.c
View file

@ -30,7 +30,7 @@
#define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2) #define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
int cifs_ioctl (struct inode * inode, struct file * filep, int cifs_ioctl (struct inode * inode, struct file * filep,
unsigned int command, unsigned long arg) unsigned int command, unsigned long arg)
{ {
int rc = -ENOTTY; /* strange error - but the precedent */ int rc = -ENOTTY; /* strange error - but the precedent */
@ -47,13 +47,13 @@ int cifs_ioctl (struct inode * inode, struct file * filep,
xid = GetXid(); xid = GetXid();
cFYI(1,("ioctl file %p cmd %u arg %lu",filep,command,arg)); cFYI(1, ("ioctl file %p cmd %u arg %lu", filep, command, arg));
cifs_sb = CIFS_SB(inode->i_sb); cifs_sb = CIFS_SB(inode->i_sb);
#ifdef CONFIG_CIFS_POSIX #ifdef CONFIG_CIFS_POSIX
tcon = cifs_sb->tcon; tcon = cifs_sb->tcon;
if(tcon) if (tcon)
caps = le64_to_cpu(tcon->fsUnixInfo.Capability); caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
else { else {
rc = -EIO; rc = -EIO;
@ -62,24 +62,24 @@ int cifs_ioctl (struct inode * inode, struct file * filep,
} }
#endif /* CONFIG_CIFS_POSIX */ #endif /* CONFIG_CIFS_POSIX */
switch(command) { switch (command) {
case CIFS_IOC_CHECKUMOUNT: case CIFS_IOC_CHECKUMOUNT:
cFYI(1,("User unmount attempted")); cFYI(1, ("User unmount attempted"));
if(cifs_sb->mnt_uid == current->uid) if (cifs_sb->mnt_uid == current->uid)
rc = 0; rc = 0;
else { else {
rc = -EACCES; rc = -EACCES;
cFYI(1,("uids do not match")); cFYI(1, ("uids do not match"));
} }
break; break;
#ifdef CONFIG_CIFS_POSIX #ifdef CONFIG_CIFS_POSIX
case FS_IOC_GETFLAGS: case FS_IOC_GETFLAGS:
if(CIFS_UNIX_EXTATTR_CAP & caps) { if (CIFS_UNIX_EXTATTR_CAP & caps) {
if (pSMBFile == NULL) if (pSMBFile == NULL)
break; break;
rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid, rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
&ExtAttrBits, &ExtAttrMask); &ExtAttrBits, &ExtAttrMask);
if(rc == 0) if (rc == 0)
rc = put_user(ExtAttrBits & rc = put_user(ExtAttrBits &
FS_FL_USER_VISIBLE, FS_FL_USER_VISIBLE,
(int __user *)arg); (int __user *)arg);
@ -87,8 +87,8 @@ int cifs_ioctl (struct inode * inode, struct file * filep,
break; break;
case FS_IOC_SETFLAGS: case FS_IOC_SETFLAGS:
if(CIFS_UNIX_EXTATTR_CAP & caps) { if (CIFS_UNIX_EXTATTR_CAP & caps) {
if(get_user(ExtAttrBits,(int __user *)arg)) { if (get_user(ExtAttrBits, (int __user *)arg)) {
rc = -EFAULT; rc = -EFAULT;
break; break;
} }
@ -96,16 +96,15 @@ int cifs_ioctl (struct inode * inode, struct file * filep,
break; break;
/* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid, /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
extAttrBits, &ExtAttrMask);*/ extAttrBits, &ExtAttrMask);*/
} }
cFYI(1,("set flags not implemented yet")); cFYI(1, ("set flags not implemented yet"));
break; break;
#endif /* CONFIG_CIFS_POSIX */ #endif /* CONFIG_CIFS_POSIX */
default: default:
cFYI(1,("unsupported ioctl")); cFYI(1, ("unsupported ioctl"));
break; break;
} }
FreeXid(xid); FreeXid(xid);
return rc; return rc;
} }

2
fs/cifs/rfc1002pdu.h
View file

@ -18,7 +18,7 @@
* *
* You should have received a copy of the GNU Lesser General Public License * You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software * along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
/* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */ /* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */