/*
* fs/cifs/cifssmb.c
*
- * Copyright (C) International Business Machines Corp., 2002,2005
+ * Copyright (C) International Business Machines Corp., 2002,2006
* Author(s): Steve French (sfrench@us.ibm.com)
*
* Contains the routines for constructing the SMB PDUs themselves
#include "cifsproto.h"
#include "cifs_unicode.h"
#include "cifs_debug.h"
+#include "cifsacl.h"
#ifdef CONFIG_CIFS_POSIX
static struct {
check for tcp and smb session status done differently
for those three - in the calling routine */
if(tcon) {
+ if(tcon->tidStatus == CifsExiting) {
+ /* only tree disconnect, open, and write,
+ (and ulogoff which does not have tcon)
+ are allowed as we start force umount */
+ if((smb_command != SMB_COM_WRITE_ANDX) &&
+ (smb_command != SMB_COM_OPEN_ANDX) &&
+ (smb_command != SMB_COM_TREE_DISCONNECT)) {
+ cFYI(1,("can not send cmd %d while umounting",
+ smb_command));
+ return -ENODEV;
+ }
+ }
if((tcon->ses) && (tcon->ses->status != CifsExiting) &&
(tcon->ses->server)){
struct nls_table *nls_codepage;
rc = CIFSTCon(0, tcon->ses, tcon->treeName, tcon
, nls_codepage);
up(&tcon->ses->sesSem);
+ /* BB FIXME add code to check if wsize needs
+ update due to negotiated smb buffer size
+ shrinking */
if(rc == 0)
atomic_inc(&tconInfoReconnectCount);
header_assemble((struct smb_hdr *) *request_buf, smb_command, tcon,wct);
-#ifdef CONFIG_CIFS_STATS
- if(tcon != NULL) {
- atomic_inc(&tcon->num_smbs_sent);
- }
-#endif /* CONFIG_CIFS_STATS */
+ if(tcon != NULL)
+ cifs_stats_inc(&tcon->num_smbs_sent);
+
+ return rc;
+}
+
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+int
+small_smb_init_no_tc(const int smb_command, const int wct,
+ struct cifsSesInfo *ses, void **request_buf)
+{
+ int rc;
+ struct smb_hdr * buffer;
+
+ rc = small_smb_init(smb_command, wct, NULL, request_buf);
+ if(rc)
+ return rc;
+
+ buffer = (struct smb_hdr *)*request_buf;
+ buffer->Mid = GetNextMid(ses->server);
+ if (ses->capabilities & CAP_UNICODE)
+ buffer->Flags2 |= SMBFLG2_UNICODE;
+ if (ses->capabilities & CAP_STATUS32)
+ buffer->Flags2 |= SMBFLG2_ERR_STATUS;
+
+ /* uid, tid can stay at zero as set in header assemble */
+
+ /* BB add support for turning on the signing when
+ this function is used after 1st of session setup requests */
+
return rc;
-}
+}
+#endif /* CONFIG_CIFS_EXPERIMENTAL */
/* If the return code is zero, this function must fill in request_buf pointer */
static int
check for tcp and smb session status done differently
for those three - in the calling routine */
if(tcon) {
+ if(tcon->tidStatus == CifsExiting) {
+ /* only tree disconnect, open, and write,
+ (and ulogoff which does not have tcon)
+ are allowed as we start force umount */
+ if((smb_command != SMB_COM_WRITE_ANDX) &&
+ (smb_command != SMB_COM_OPEN_ANDX) &&
+ (smb_command != SMB_COM_TREE_DISCONNECT)) {
+ cFYI(1,("can not send cmd %d while umounting",
+ smb_command));
+ return -ENODEV;
+ }
+ }
+
if((tcon->ses) && (tcon->ses->status != CifsExiting) &&
(tcon->ses->server)){
struct nls_table *nls_codepage;
rc = CIFSTCon(0, tcon->ses, tcon->treeName,
tcon, nls_codepage);
up(&tcon->ses->sesSem);
+ /* BB FIXME add code to check if wsize needs
+ update due to negotiated smb buffer size
+ shrinking */
if(rc == 0)
atomic_inc(&tconInfoReconnectCount);
header_assemble((struct smb_hdr *) *request_buf, smb_command, tcon,
wct /*wct */ );
-#ifdef CONFIG_CIFS_STATS
- if(tcon != NULL) {
- atomic_inc(&tcon->num_smbs_sent);
- }
-#endif /* CONFIG_CIFS_STATS */
+ if(tcon != NULL)
+ cifs_stats_inc(&tcon->num_smbs_sent);
+
return rc;
}
(void **) &pSMB, (void **) &pSMBr);
if (rc)
return rc;
-
+ pSMB->hdr.Mid = GetNextMid(server);
pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
if (extended_security)
pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc == 0) {
- server->secMode = pSMBr->SecurityMode;
- server->secType = NTLM; /* BB override default for
+ server->secMode = pSMBr->SecurityMode;
+ if((server->secMode & SECMODE_USER) == 0)
+ cFYI(1,("share mode security"));
+ server->secType = NTLM; /* BB override default for
NTLMv2 or kerberos v5 */
/* one byte - no need to convert this or EncryptionKeyLen
from little endian */
min(le32_to_cpu(pSMBr->MaxBufferSize),
(__u32) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE);
server->maxRw = le32_to_cpu(pSMBr->MaxRawSize);
- cFYI(0, ("Max buf = %d ", ses->server->maxBuf));
+ cFYI(0, ("Max buf = %d", ses->server->maxBuf));
GETU32(ses->server->sessid) = le32_to_cpu(pSMBr->SessionKey);
server->capabilities = le32_to_cpu(pSMBr->Capabilities);
server->timeZone = le16_to_cpu(pSMBr->ServerTimeZone);
(server->server_GUID,
pSMBr->u.extended_response.
GUID, 16) != 0) {
- cFYI(1,
- ("UID of server does not match previous connection to same ip address"));
+ cFYI(1, ("server UID changed"));
memcpy(server->
server_GUID,
pSMBr->u.
}
}
- if (pSMB)
- cifs_buf_release(pSMB);
+
+ cifs_buf_release(pSMB);
return rc;
}
smb_buffer_response = (struct smb_hdr *)pSMB; /* BB removeme BB */
if(ses->server) {
+ pSMB->hdr.Mid = GetNextMid(ses->server);
+
if(ses->server->secMode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
rc = -ESHUTDOWN;
}
}
- if (pSMB)
- cifs_small_buf_release(pSMB);
up(&ses->sesSem);
+ cifs_small_buf_release(pSMB);
/* if session dead then we do not need to do ulogoff,
since server closed smb session, no sense reporting
pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_deletes);
if (rc) {
cFYI(1, ("Error in RMFile = %d", rc));
}
-#ifdef CONFIG_CIFS_STATS
- else {
- atomic_inc(&tcon->num_deletes);
- }
-#endif
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_rmdirs);
if (rc) {
cFYI(1, ("Error in RMDir = %d", rc));
}
-#ifdef CONFIG_CIFS_STATS
- else {
- atomic_inc(&tcon->num_rmdirs);
- }
-#endif
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_mkdirs);
if (rc) {
cFYI(1, ("Error in Mkdir = %d", rc));
}
-#ifdef CONFIG_CIFS_STATS
- else {
- atomic_inc(&tcon->num_mkdirs);
- }
-#endif
+
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
goto MkDirRetry;
return rc;
}
+static __u16 convert_disposition(int disposition)
+{
+ __u16 ofun = 0;
+
+ switch (disposition) {
+ case FILE_SUPERSEDE:
+ ofun = SMBOPEN_OCREATE | SMBOPEN_OTRUNC;
+ break;
+ case FILE_OPEN:
+ ofun = SMBOPEN_OAPPEND;
+ break;
+ case FILE_CREATE:
+ ofun = SMBOPEN_OCREATE;
+ break;
+ case FILE_OPEN_IF:
+ ofun = SMBOPEN_OCREATE | SMBOPEN_OAPPEND;
+ break;
+ case FILE_OVERWRITE:
+ ofun = SMBOPEN_OTRUNC;
+ break;
+ case FILE_OVERWRITE_IF:
+ ofun = SMBOPEN_OCREATE | SMBOPEN_OTRUNC;
+ break;
+ default:
+ cFYI(1,("unknown disposition %d",disposition));
+ ofun = SMBOPEN_OAPPEND; /* regular open */
+ }
+ return ofun;
+}
+
+int
+SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
+ const char *fileName, const int openDisposition,
+ const int access_flags, const int create_options, __u16 * netfid,
+ int *pOplock, FILE_ALL_INFO * pfile_info,
+ const struct nls_table *nls_codepage, int remap)
+{
+ int rc = -EACCES;
+ OPENX_REQ *pSMB = NULL;
+ OPENX_RSP *pSMBr = NULL;
+ int bytes_returned;
+ int name_len;
+ __u16 count;
+
+OldOpenRetry:
+ rc = smb_init(SMB_COM_OPEN_ANDX, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ pSMB->AndXCommand = 0xFF; /* none */
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ count = 1; /* account for one byte pad to word boundary */
+ name_len =
+ cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),
+ fileName, PATH_MAX, nls_codepage, remap);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else { /* BB improve check for buffer overruns BB */
+ count = 0; /* no pad */
+ name_len = strnlen(fileName, PATH_MAX);
+ name_len++; /* trailing null */
+ strncpy(pSMB->fileName, fileName, name_len);
+ }
+ if (*pOplock & REQ_OPLOCK)
+ pSMB->OpenFlags = cpu_to_le16(REQ_OPLOCK);
+ else if (*pOplock & REQ_BATCHOPLOCK) {
+ pSMB->OpenFlags = cpu_to_le16(REQ_BATCHOPLOCK);
+ }
+ pSMB->OpenFlags |= cpu_to_le16(REQ_MORE_INFO);
+ /* BB fixme add conversion for access_flags to bits 0 - 2 of mode */
+ /* 0 = read
+ 1 = write
+ 2 = rw
+ 3 = execute
+ */
+ pSMB->Mode = cpu_to_le16(2);
+ pSMB->Mode |= cpu_to_le16(0x40); /* deny none */
+ /* set file as system file if special file such
+ as fifo and server expecting SFU style and
+ no Unix extensions */
+
+ if(create_options & CREATE_OPTION_SPECIAL)
+ pSMB->FileAttributes = cpu_to_le16(ATTR_SYSTEM);
+ else
+ pSMB->FileAttributes = cpu_to_le16(0/*ATTR_NORMAL*/); /* BB FIXME */
+
+ /* if ((omode & S_IWUGO) == 0)
+ pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY);*/
+ /* Above line causes problems due to vfs splitting create into two
+ pieces - need to set mode after file created not while it is
+ being created */
+
+ /* BB FIXME BB */
+/* pSMB->CreateOptions = cpu_to_le32(create_options & CREATE_OPTIONS_MASK); */
+ /* BB FIXME END BB */
+
+ pSMB->Sattr = cpu_to_le16(ATTR_HIDDEN | ATTR_SYSTEM | ATTR_DIRECTORY);
+ pSMB->OpenFunction = cpu_to_le16(convert_disposition(openDisposition));
+ count += name_len;
+ pSMB->hdr.smb_buf_length += count;
+
+ pSMB->ByteCount = cpu_to_le16(count);
+ /* long_op set to 1 to allow for oplock break timeouts */
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 1);
+ cifs_stats_inc(&tcon->num_opens);
+ if (rc) {
+ cFYI(1, ("Error in Open = %d", rc));
+ } else {
+ /* BB verify if wct == 15 */
+
+/* *pOplock = pSMBr->OplockLevel; */ /* BB take from action field BB */
+
+ *netfid = pSMBr->Fid; /* cifs fid stays in le */
+ /* Let caller know file was created so we can set the mode. */
+ /* Do we care about the CreateAction in any other cases? */
+ /* BB FIXME BB */
+/* if(cpu_to_le32(FILE_CREATE) == pSMBr->CreateAction)
+ *pOplock |= CIFS_CREATE_ACTION; */
+ /* BB FIXME END */
+
+ if(pfile_info) {
+ pfile_info->CreationTime = 0; /* BB convert CreateTime*/
+ pfile_info->LastAccessTime = 0; /* BB fixme */
+ pfile_info->LastWriteTime = 0; /* BB fixme */
+ pfile_info->ChangeTime = 0; /* BB fixme */
+ pfile_info->Attributes =
+ cpu_to_le32(le16_to_cpu(pSMBr->FileAttributes));
+ /* the file_info buf is endian converted by caller */
+ pfile_info->AllocationSize =
+ cpu_to_le64(le32_to_cpu(pSMBr->EndOfFile));
+ pfile_info->EndOfFile = pfile_info->AllocationSize;
+ pfile_info->NumberOfLinks = cpu_to_le32(1);
+ }
+ }
+
+ cifs_buf_release(pSMB);
+ if (rc == -EAGAIN)
+ goto OldOpenRetry;
+ return rc;
+}
+
int
CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
const char *fileName, const int openDisposition,
}
pSMB->DesiredAccess = cpu_to_le32(access_flags);
pSMB->AllocationSize = 0;
- pSMB->FileAttributes = cpu_to_le32(ATTR_NORMAL);
+ /* set file as system file if special file such
+ as fifo and server expecting SFU style and
+ no Unix extensions */
+ if(create_options & CREATE_OPTION_SPECIAL)
+ pSMB->FileAttributes = cpu_to_le32(ATTR_SYSTEM);
+ else
+ pSMB->FileAttributes = cpu_to_le32(ATTR_NORMAL);
/* XP does not handle ATTR_POSIX_SEMANTICS */
/* but it helps speed up case sensitive checks for other
servers such as Samba */
being created */
pSMB->ShareAccess = cpu_to_le32(FILE_SHARE_ALL);
pSMB->CreateDisposition = cpu_to_le32(openDisposition);
- pSMB->CreateOptions = cpu_to_le32(create_options);
+ pSMB->CreateOptions = cpu_to_le32(create_options & CREATE_OPTIONS_MASK);
/* BB Expirement with various impersonation levels and verify */
pSMB->ImpersonationLevel = cpu_to_le32(SECURITY_IMPERSONATION);
pSMB->SecurityFlags =
/* long_op set to 1 to allow for oplock break timeouts */
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 1);
+ cifs_stats_inc(&tcon->num_opens);
if (rc) {
cFYI(1, ("Error in Open = %d", rc));
} else {
pfile_info->EndOfFile = pSMBr->EndOfFile;
pfile_info->NumberOfLinks = cpu_to_le32(1);
}
-
-#ifdef CONFIG_CIFS_STATS
- atomic_inc(&tcon->num_opens);
-#endif
}
+
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
goto openRetry;
return rc;
}
-/* If no buffer passed in, then caller wants to do the copy
- as in the case of readpages so the SMB buffer must be
- freed by the caller */
-
int
CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
- const int netfid, const unsigned int count,
- const __u64 lseek, unsigned int *nbytes, char **buf)
+ const int netfid, const unsigned int count,
+ const __u64 lseek, unsigned int *nbytes, char **buf,
+ int * pbuf_type)
{
int rc = -EACCES;
READ_REQ *pSMB = NULL;
READ_RSP *pSMBr = NULL;
char *pReadData = NULL;
- int bytes_returned;
+ int wct;
+ int resp_buf_type = 0;
+ struct kvec iov[1];
cFYI(1,("Reading %d bytes on fid %d",count,netfid));
+ if(tcon->ses->capabilities & CAP_LARGE_FILES)
+ wct = 12;
+ else
+ wct = 10; /* old style read */
*nbytes = 0;
- rc = smb_init(SMB_COM_READ_ANDX, 12, tcon, (void **) &pSMB,
- (void **) &pSMBr);
+ rc = small_smb_init(SMB_COM_READ_ANDX, wct, tcon, (void **) &pSMB);
if (rc)
return rc;
if (tcon->ses->server == NULL)
return -ECONNABORTED;
- pSMB->AndXCommand = 0xFF; /* none */
+ pSMB->AndXCommand = 0xFF; /* none */
pSMB->Fid = netfid;
pSMB->OffsetLow = cpu_to_le32(lseek & 0xFFFFFFFF);
- pSMB->OffsetHigh = cpu_to_le32(lseek >> 32);
+ if(wct == 12)
+ pSMB->OffsetHigh = cpu_to_le32(lseek >> 32);
+ else if((lseek >> 32) > 0) /* can not handle this big offset for old */
+ return -EIO;
+
pSMB->Remaining = 0;
pSMB->MaxCount = cpu_to_le16(count & 0xFFFF);
pSMB->MaxCountHigh = cpu_to_le32(count >> 16);
- pSMB->ByteCount = 0; /* no need to do le conversion since it is 0 */
+ if(wct == 12)
+ pSMB->ByteCount = 0; /* no need to do le conversion since 0 */
+ else {
+ /* old style read */
+ struct smb_com_readx_req * pSMBW =
+ (struct smb_com_readx_req *)pSMB;
+ pSMBW->ByteCount = 0;
+ }
- rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
- (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ iov[0].iov_base = (char *)pSMB;
+ iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
+ rc = SendReceive2(xid, tcon->ses, iov,
+ 1 /* num iovecs */,
+ &resp_buf_type, 0);
+ cifs_stats_inc(&tcon->num_reads);
+ pSMBr = (READ_RSP *)iov[0].iov_base;
if (rc) {
cERROR(1, ("Send error in read = %d", rc));
} else {
*nbytes = data_length;
/*check that DataLength would not go beyond end of SMB */
- if ((data_length > CIFSMaxBufSize)
+ if ((data_length > CIFSMaxBufSize)
|| (data_length > count)) {
cFYI(1,("bad length %d for count %d",data_length,count));
rc = -EIO;
*nbytes = 0;
} else {
- pReadData =
- (char *) (&pSMBr->hdr.Protocol) +
+ pReadData = (char *) (&pSMBr->hdr.Protocol) +
le16_to_cpu(pSMBr->DataOffset);
-/* if(rc = copy_to_user(buf, pReadData, data_length)) {
- cERROR(1,("Faulting on read rc = %d",rc));
- rc = -EFAULT;
- }*/ /* can not use copy_to_user when using page cache*/
+/* if(rc = copy_to_user(buf, pReadData, data_length)) {
+ cERROR(1,("Faulting on read rc = %d",rc));
+ rc = -EFAULT;
+ }*/ /* can not use copy_to_user when using page cache*/
if(*buf)
- memcpy(*buf,pReadData,data_length);
+ memcpy(*buf,pReadData,data_length);
}
}
- if(*buf)
- cifs_buf_release(pSMB);
- else
- *buf = (char *)pSMB;
- /* Note: On -EAGAIN error only caller can retry on handle based calls
+/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
+ if(*buf) {
+ if(resp_buf_type == CIFS_SMALL_BUFFER)
+ cifs_small_buf_release(iov[0].iov_base);
+ else if(resp_buf_type == CIFS_LARGE_BUFFER)
+ cifs_buf_release(iov[0].iov_base);
+ } else if(resp_buf_type != CIFS_NO_BUFFER) {
+ /* return buffer to caller to free */
+ *buf = iov[0].iov_base;
+ if(resp_buf_type == CIFS_SMALL_BUFFER)
+ *pbuf_type = CIFS_SMALL_BUFFER;
+ else if(resp_buf_type == CIFS_LARGE_BUFFER)
+ *pbuf_type = CIFS_LARGE_BUFFER;
+ } /* else no valid buffer on return - leave as null */
+
+ /* Note: On -EAGAIN error only caller can retry on handle based calls
since file handle passed in no longer valid */
return rc;
}
+
int
CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
const int netfid, const unsigned int count,
int rc = -EACCES;
WRITE_REQ *pSMB = NULL;
WRITE_RSP *pSMBr = NULL;
- int bytes_returned;
+ int bytes_returned, wct;
__u32 bytes_sent;
__u16 byte_count;
/* cFYI(1,("write at %lld %d bytes",offset,count));*/
- rc = smb_init(SMB_COM_WRITE_ANDX, 14, tcon, (void **) &pSMB,
+ if(tcon->ses == NULL)
+ return -ECONNABORTED;
+
+ if(tcon->ses->capabilities & CAP_LARGE_FILES)
+ wct = 14;
+ else
+ wct = 12;
+
+ rc = smb_init(SMB_COM_WRITE_ANDX, wct, tcon, (void **) &pSMB,
(void **) &pSMBr);
if (rc)
return rc;
pSMB->AndXCommand = 0xFF; /* none */
pSMB->Fid = netfid;
pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF);
- pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
+ if(wct == 14)
+ pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
+ else if((offset >> 32) > 0) /* can not handle this big offset for old */
+ return -EIO;
+
pSMB->Reserved = 0xFFFFFFFF;
pSMB->WriteMode = 0;
pSMB->Remaining = 0;
if (bytes_sent > count)
bytes_sent = count;
pSMB->DataOffset =
- cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
+ cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
if(buf)
memcpy(pSMB->Data,buf,bytes_sent);
else if(ubuf) {
cifs_buf_release(pSMB);
return -EFAULT;
}
- } else {
+ } else if (count != 0) {
/* No buffer */
cifs_buf_release(pSMB);
return -EINVAL;
+ } /* else setting file size with write of zero bytes */
+ if(wct == 14)
+ byte_count = bytes_sent + 1; /* pad */
+ else /* wct == 12 */ {
+ byte_count = bytes_sent + 5; /* bigger pad, smaller smb hdr */
}
-
- byte_count = bytes_sent + 1 /* pad */ ; /* BB fix this for sends > 64K */
pSMB->DataLengthLow = cpu_to_le16(bytes_sent & 0xFFFF);
pSMB->DataLengthHigh = cpu_to_le16(bytes_sent >> 16);
- pSMB->hdr.smb_buf_length += bytes_sent+1;
- pSMB->ByteCount = cpu_to_le16(byte_count);
+ pSMB->hdr.smb_buf_length += byte_count;
+
+ if(wct == 14)
+ pSMB->ByteCount = cpu_to_le16(byte_count);
+ else { /* old style write has byte count 4 bytes earlier so 4 bytes pad */
+ struct smb_com_writex_req * pSMBW =
+ (struct smb_com_writex_req *)pSMB;
+ pSMBW->ByteCount = cpu_to_le16(byte_count);
+ }
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, long_op);
+ cifs_stats_inc(&tcon->num_writes);
if (rc) {
cFYI(1, ("Send error in write = %d", rc));
*nbytes = 0;
return rc;
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
+int
+CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
const int netfid, const unsigned int count,
- const __u64 offset, unsigned int *nbytes, const char __user *buf,
- const int long_op)
+ const __u64 offset, unsigned int *nbytes, struct kvec *iov,
+ int n_vec, const int long_op)
{
int rc = -EACCES;
WRITE_REQ *pSMB = NULL;
- WRITE_RSP *pSMBr = NULL;
- /*int bytes_returned;*/
- unsigned bytes_sent;
- __u16 byte_count;
+ int wct;
+ int smb_hdr_len;
+ int resp_buf_type = 0;
- rc = small_smb_init(SMB_COM_WRITE_ANDX, 14, tcon, (void **) &pSMB);
-
+ cFYI(1,("write2 at %lld %d bytes", (long long)offset, count));
+
+ if(tcon->ses->capabilities & CAP_LARGE_FILES)
+ wct = 14;
+ else
+ wct = 12;
+ rc = small_smb_init(SMB_COM_WRITE_ANDX, wct, tcon, (void **) &pSMB);
if (rc)
return rc;
-
- pSMBr = (WRITE_RSP *)pSMB; /* BB removeme BB */
-
/* tcon and ses pointer are checked in smb_init */
if (tcon->ses->server == NULL)
return -ECONNABORTED;
- pSMB->AndXCommand = 0xFF; /* none */
+ pSMB->AndXCommand = 0xFF; /* none */
pSMB->Fid = netfid;
pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF);
- pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
+ if(wct == 14)
+ pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
+ else if((offset >> 32) > 0) /* can not handle this big offset for old */
+ return -EIO;
pSMB->Reserved = 0xFFFFFFFF;
pSMB->WriteMode = 0;
pSMB->Remaining = 0;
- bytes_sent = (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & ~0xFF;
- if (bytes_sent > count)
- bytes_sent = count;
- pSMB->DataLengthHigh = 0;
+
pSMB->DataOffset =
cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
- byte_count = bytes_sent + 1 /* pad */ ;
- pSMB->DataLengthLow = cpu_to_le16(bytes_sent);
- pSMB->DataLengthHigh = 0;
- pSMB->hdr.smb_buf_length += byte_count;
- pSMB->ByteCount = cpu_to_le16(byte_count);
+ pSMB->DataLengthLow = cpu_to_le16(count & 0xFFFF);
+ pSMB->DataLengthHigh = cpu_to_le16(count >> 16);
+ smb_hdr_len = pSMB->hdr.smb_buf_length + 1; /* hdr + 1 byte pad */
+ if(wct == 14)
+ pSMB->hdr.smb_buf_length += count+1;
+ else /* wct == 12 */
+ pSMB->hdr.smb_buf_length += count+5; /* smb data starts later */
+ if(wct == 14)
+ pSMB->ByteCount = cpu_to_le16(count + 1);
+ else /* wct == 12 */ /* bigger pad, smaller smb hdr, keep offset ok */ {
+ struct smb_com_writex_req * pSMBW =
+ (struct smb_com_writex_req *)pSMB;
+ pSMBW->ByteCount = cpu_to_le16(count + 5);
+ }
+ iov[0].iov_base = pSMB;
+ if(wct == 14)
+ iov[0].iov_len = smb_hdr_len + 4;
+ else /* wct == 12 pad bigger by four bytes */
+ iov[0].iov_len = smb_hdr_len + 8;
+
-/* rc = SendReceive2(xid, tcon->ses, (struct smb_hdr *) pSMB,
- (struct smb_hdr *) pSMBr, buf, buflen, &bytes_returned, long_op); */ /* BB fixme BB */
+ rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type,
+ long_op);
+ cifs_stats_inc(&tcon->num_writes);
if (rc) {
- cFYI(1, ("Send error in write2 (large write) = %d", rc));
+ cFYI(1, ("Send error Write2 = %d", rc));
*nbytes = 0;
- } else
- *nbytes = le16_to_cpu(pSMBr->Count);
+ } else if(resp_buf_type == 0) {
+ /* presumably this can not happen, but best to be safe */
+ rc = -EIO;
+ *nbytes = 0;
+ } else {
+ WRITE_RSP * pSMBr = (WRITE_RSP *)iov[0].iov_base;
+ *nbytes = le16_to_cpu(pSMBr->CountHigh);
+ *nbytes = (*nbytes) << 16;
+ *nbytes += le16_to_cpu(pSMBr->Count);
+ }
- cifs_small_buf_release(pSMB);
+/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
+ if(resp_buf_type == CIFS_SMALL_BUFFER)
+ cifs_small_buf_release(iov[0].iov_base);
+ else if(resp_buf_type == CIFS_LARGE_BUFFER)
+ cifs_buf_release(iov[0].iov_base);
/* Note: On -EAGAIN error only caller can retry on handle based calls
since file handle passed in no longer valid */
return rc;
}
-#endif /* CIFS_EXPERIMENTAL */
+
int
CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, timeout);
-
+ cifs_stats_inc(&tcon->num_locks);
if (rc) {
cFYI(1, ("Send error in Lock = %d", rc));
}
return rc;
}
+int
+CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
+ const __u16 smb_file_id, const int get_flag, const __u64 len,
+ struct file_lock *pLockData, const __u16 lock_type,
+ const int waitFlag)
+{
+ struct smb_com_transaction2_sfi_req *pSMB = NULL;
+ struct smb_com_transaction2_sfi_rsp *pSMBr = NULL;
+ char *data_offset;
+ struct cifs_posix_lock *parm_data;
+ int rc = 0;
+ int bytes_returned = 0;
+ __u16 params, param_offset, offset, byte_count, count;
+
+ cFYI(1, ("Posix Lock"));
+
+ if(pLockData == NULL)
+ return EINVAL;
+
+ rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB);
+
+ if (rc)
+ return rc;
+
+ pSMBr = (struct smb_com_transaction2_sfi_rsp *)pSMB;
+
+ params = 6;
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
+ offset = param_offset + params;
+
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
+
+ count = sizeof(struct cifs_posix_lock);
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB PDU from sess */
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ if(get_flag)
+ pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
+ else
+ pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
+ byte_count = 3 /* pad */ + params + count;
+ pSMB->DataCount = cpu_to_le16(count);
+ pSMB->ParameterCount = cpu_to_le16(params);
+ pSMB->TotalDataCount = pSMB->DataCount;
+ pSMB->TotalParameterCount = pSMB->ParameterCount;
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ parm_data = (struct cifs_posix_lock *)
+ (((char *) &pSMB->hdr.Protocol) + offset);
+
+ parm_data->lock_type = cpu_to_le16(lock_type);
+ if(waitFlag)
+ parm_data->lock_flags = cpu_to_le16(1);
+ parm_data->pid = cpu_to_le32(current->tgid);
+ parm_data->start = cpu_to_le64(pLockData->fl_start);
+ parm_data->length = cpu_to_le64(len); /* normalize negative numbers */
+
+ pSMB->DataOffset = cpu_to_le16(offset);
+ pSMB->Fid = smb_file_id;
+ pSMB->InformationLevel = cpu_to_le16(SMB_SET_POSIX_LOCK);
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in Posix Lock = %d", rc));
+ } else if (get_flag) {
+ /* lock structure can be returned on get */
+ __u16 data_offset;
+ __u16 data_count;
+ rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+
+ if (rc || (pSMBr->ByteCount < sizeof(struct cifs_posix_lock))) {
+ rc = -EIO; /* bad smb */
+ goto plk_err_exit;
+ }
+ if(pLockData == NULL) {
+ rc = -EINVAL;
+ goto plk_err_exit;
+ }
+ data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+ data_count = le16_to_cpu(pSMBr->t2.DataCount);
+ if(data_count < sizeof(struct cifs_posix_lock)) {
+ rc = -EIO;
+ goto plk_err_exit;
+ }
+ parm_data = (struct cifs_posix_lock *)
+ ((char *)&pSMBr->hdr.Protocol + data_offset);
+ if(parm_data->lock_type == cpu_to_le16(CIFS_UNLCK))
+ pLockData->fl_type = F_UNLCK;
+ }
+
+plk_err_exit:
+ if (pSMB)
+ cifs_small_buf_release(pSMB);
+
+ /* Note: On -EAGAIN error only caller can retry on handle based calls
+ since file handle passed in no longer valid */
+
+ return rc;
+}
+
+
int
CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, int smb_file_id)
{
pSMB->ByteCount = 0;
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_closes);
if (rc) {
if(rc!=-EINTR) {
/* EINTR is expected when user ctl-c to kill app */
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_renames);
if (rc) {
cFYI(1, ("Send error in rename = %d", rc));
}
-#ifdef CONFIG_CIFS_STATS
- else {
- atomic_inc(&tcon->num_renames);
- }
-#endif
-
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&pTcon->num_t2renames);
if (rc) {
cFYI(1,("Send error in Rename (by file handle) = %d", rc));
}
-#ifdef CONFIG_CIFS_STATS
- else {
- atomic_inc(&pTcon->num_t2renames);
- }
-#endif
+
cifs_buf_release(pSMB);
/* Note: On -EAGAIN error only caller can retry on handle based calls
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len =
- cifs_strtoUCS((wchar_t *) pSMB->FileName, fromName, PATH_MAX
+ cifs_strtoUCS((__le16 *) pSMB->FileName, fromName, PATH_MAX
/* find define for this maxpathcomponent */
, nls_codepage);
name_len++; /* trailing null */
data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len_target =
- cifs_strtoUCS((wchar_t *) data_offset, toName, PATH_MAX
+ cifs_strtoUCS((__le16 *) data_offset, toName, PATH_MAX
/* find define for this maxpathcomponent */
, nls_codepage);
name_len_target++; /* trailing null */
pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_symlinks);
if (rc) {
cFYI(1,
("Send error in SetPathInfo (create symlink) = %d",
pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_hardlinks);
if (rc) {
cFYI(1, ("Send error in SetPathInfo (hard link) = %d", rc));
}
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_hardlinks);
if (rc) {
cFYI(1, ("Send error in hard link (NT rename) = %d", rc));
}
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len =
- cifs_strtoUCS((wchar_t *) pSMB->FileName, searchName, PATH_MAX
+ cifs_strtoUCS((__le16 *) pSMB->FileName, searchName, PATH_MAX
/* find define for this maxpathcomponent */
, nls_codepage);
name_len++; /* trailing null */
min_t(const int, buflen,count) / 2);
/* BB FIXME investigate remapping reserved chars here */
cifs_strfromUCS_le(symlinkinfo,
- (wchar_t *) ((char *)&pSMBr->hdr.Protocol +
+ (__le16 *) ((char *)&pSMBr->hdr.Protocol +
data_offset),
name_len, nls_codepage);
} else {
return rc;
}
+/* Initialize NT TRANSACT SMB into small smb request buffer.
+ This assumes that all NT TRANSACTS that we init here have
+ total parm and data under about 400 bytes (to fit in small cifs
+ buffer size), which is the case so far, it easily fits. NB:
+ Setup words themselves and ByteCount
+ MaxSetupCount (size of returned setup area) and
+ MaxParameterCount (returned parms size) must be set by caller */
+static int
+smb_init_ntransact(const __u16 sub_command, const int setup_count,
+ const int parm_len, struct cifsTconInfo *tcon,
+ void ** ret_buf)
+{
+ int rc;
+ __u32 temp_offset;
+ struct smb_com_ntransact_req * pSMB;
+
+ rc = small_smb_init(SMB_COM_NT_TRANSACT, 19 + setup_count, tcon,
+ (void **)&pSMB);
+ if (rc)
+ return rc;
+ *ret_buf = (void *)pSMB;
+ pSMB->Reserved = 0;
+ pSMB->TotalParameterCount = cpu_to_le32(parm_len);
+ pSMB->TotalDataCount = 0;
+ pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->DataCount = pSMB->TotalDataCount;
+ temp_offset = offsetof(struct smb_com_ntransact_req, Parms) +
+ (setup_count * 2) - 4 /* for rfc1001 length itself */;
+ pSMB->ParameterOffset = cpu_to_le32(temp_offset);
+ pSMB->DataOffset = cpu_to_le32(temp_offset + parm_len);
+ pSMB->SetupCount = setup_count; /* no need to le convert byte fields */
+ pSMB->SubCommand = cpu_to_le16(sub_command);
+ return 0;
+}
+
+static int
+validate_ntransact(char * buf, char ** ppparm, char ** ppdata,
+ int * pdatalen, int * pparmlen)
+{
+ char * end_of_smb;
+ __u32 data_count, data_offset, parm_count, parm_offset;
+ struct smb_com_ntransact_rsp * pSMBr;
+
+ if(buf == NULL)
+ return -EINVAL;
+
+ pSMBr = (struct smb_com_ntransact_rsp *)buf;
+
+ /* ByteCount was converted from little endian in SendReceive */
+ end_of_smb = 2 /* sizeof byte count */ + pSMBr->ByteCount +
+ (char *)&pSMBr->ByteCount;
+
+
+ data_offset = le32_to_cpu(pSMBr->DataOffset);
+ data_count = le32_to_cpu(pSMBr->DataCount);
+ parm_offset = le32_to_cpu(pSMBr->ParameterOffset);
+ parm_count = le32_to_cpu(pSMBr->ParameterCount);
+
+ *ppparm = (char *)&pSMBr->hdr.Protocol + parm_offset;
+ *ppdata = (char *)&pSMBr->hdr.Protocol + data_offset;
+
+ /* should we also check that parm and data areas do not overlap? */
+ if(*ppparm > end_of_smb) {
+ cFYI(1,("parms start after end of smb"));
+ return -EINVAL;
+ } else if(parm_count + *ppparm > end_of_smb) {
+ cFYI(1,("parm end after end of smb"));
+ return -EINVAL;
+ } else if(*ppdata > end_of_smb) {
+ cFYI(1,("data starts after end of smb"));
+ return -EINVAL;
+ } else if(data_count + *ppdata > end_of_smb) {
+ cFYI(1,("data %p + count %d (%p) ends after end of smb %p start %p",
+ *ppdata, data_count, (data_count + *ppdata), end_of_smb, pSMBr)); /* BB FIXME */
+ return -EINVAL;
+ } else if(parm_count + data_count > pSMBr->ByteCount) {
+ cFYI(1,("parm count and data count larger than SMB"));
+ return -EINVAL;
+ }
+ return 0;
+}
+
int
CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
pSMB->TotalDataCount = 0;
pSMB->MaxParameterCount = cpu_to_le32(2);
/* BB find exact data count max from sess structure BB */
- pSMB->MaxDataCount = cpu_to_le32(4000);
+ pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
pSMB->MaxSetupCount = 4;
pSMB->Reserved = 0;
pSMB->ParameterOffset = 0;
rc = -EIO; /* bad smb */
else {
if(data_count && (data_count < 2048)) {
- char * end_of_smb = pSMBr->ByteCount + (char *)&pSMBr->ByteCount;
+ char * end_of_smb = 2 /* sizeof byte count */ +
+ pSMBr->ByteCount +
+ (char *)&pSMBr->ByteCount;
struct reparse_data * reparse_buf = (struct reparse_data *)
((char *)&pSMBr->hdr.Protocol + data_offset);
reparse_buf->TargetNameOffset),
min(buflen/2, reparse_buf->TargetNameLen / 2));
cifs_strfromUCS_le(symlinkinfo,
- (wchar_t *) (reparse_buf->LinkNamesBuf +
+ (__le16 *) (reparse_buf->LinkNamesBuf +
reparse_buf->TargetNameOffset),
name_len, nls_codepage);
} else { /* ASCII names */
}
}
qreparse_out:
- if (pSMB)
- cifs_buf_release(pSMB);
+ cifs_buf_release(pSMB);
/* Note: On -EAGAIN error only caller can retry on handle based calls
since file handle passed in no longer valid */
static void cifs_convert_ace(posix_acl_xattr_entry * ace, struct cifs_posix_ace * cifs_ace)
{
/* u8 cifs fields do not need le conversion */
- ace->e_perm = (__u16)cifs_ace->cifs_e_perm;
- ace->e_tag = (__u16)cifs_ace->cifs_e_tag;
- ace->e_id = (__u32)le64_to_cpu(cifs_ace->cifs_uid);
+ ace->e_perm = cpu_to_le16(cifs_ace->cifs_e_perm);
+ ace->e_tag = cpu_to_le16(cifs_ace->cifs_e_tag);
+ ace->e_id = cpu_to_le32(le64_to_cpu(cifs_ace->cifs_uid));
/* cFYI(1,("perm %d tag %d id %d",ace->e_perm,ace->e_tag,ace->e_id)); */
return;
} else if(size > buflen) {
return -ERANGE;
} else /* buffer big enough */ {
- local_acl->a_version = POSIX_ACL_XATTR_VERSION;
+ local_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION);
for(i = 0;i < count ;i++) {
cifs_convert_ace(&local_acl->a_entries[i],pACE);
pACE ++;
{
__u16 rc = 0; /* 0 = ACL converted ok */
- cifs_ace->cifs_e_perm = (__u8)cpu_to_le16(local_ace->e_perm);
- cifs_ace->cifs_e_tag = (__u8)cpu_to_le16(local_ace->e_tag);
+ cifs_ace->cifs_e_perm = le16_to_cpu(local_ace->e_perm);
+ cifs_ace->cifs_e_tag = le16_to_cpu(local_ace->e_tag);
/* BB is there a better way to handle the large uid? */
- if(local_ace->e_id == -1) {
+ if(local_ace->e_id == cpu_to_le32(-1)) {
/* Probably no need to le convert -1 on any arch but can not hurt */
cifs_ace->cifs_uid = cpu_to_le64(-1);
} else
- cifs_ace->cifs_uid = (__u64)cpu_to_le32(local_ace->e_id);
+ cifs_ace->cifs_uid = cpu_to_le64(le32_to_cpu(local_ace->e_id));
/*cFYI(1,("perm %d tag %d id %d",ace->e_perm,ace->e_tag,ace->e_id));*/
return rc;
}
count = posix_acl_xattr_count((size_t)buflen);
cFYI(1,("setting acl with %d entries from buf of length %d and version of %d",
- count,buflen,local_acl->a_version));
- if(local_acl->a_version != 2) {
- cFYI(1,("unknown POSIX ACL version %d",local_acl->a_version));
+ count, buflen, le32_to_cpu(local_acl->a_version)));
+ if(le32_to_cpu(local_acl->a_version) != 2) {
+ cFYI(1,("unknown POSIX ACL version %d",
+ le32_to_cpu(local_acl->a_version)));
return 0;
}
cifs_acl->version = cpu_to_le16(1);
if(acl_type == ACL_TYPE_ACCESS)
- cifs_acl->access_entry_count = count;
+ cifs_acl->access_entry_count = cpu_to_le16(count);
else if(acl_type == ACL_TYPE_DEFAULT)
- cifs_acl->default_entry_count = count;
+ cifs_acl->default_entry_count = cpu_to_le16(count);
else {
cFYI(1,("unknown ACL type %d",acl_type));
return 0;
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_acl_get);
if (rc) {
cFYI(1, ("Send error in Query POSIX ACL = %d", rc));
} else {
#endif /* CONFIG_POSIX */
+
+/* security id for everyone */
+const struct cifs_sid sid_everyone = {1, 1, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0}};
+/* group users */
+const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {32, 545, 0, 0}};
+
+/* Convert CIFS ACL to POSIX form */
+static int parse_sec_desc(struct cifs_sid * psec_desc, int acl_len)
+{
+ return 0;
+}
+
+/* Get Security Descriptor (by handle) from remote server for a file or dir */
+int
+CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid,
+ /* BB fix up return info */ char *acl_inf, const int buflen,
+ const int acl_type /* ACCESS/DEFAULT not sure implication */)
+{
+ int rc = 0;
+ int buf_type = 0;
+ QUERY_SEC_DESC_REQ * pSMB;
+ struct kvec iov[1];
+
+ cFYI(1, ("GetCifsACL"));
+
+ rc = smb_init_ntransact(NT_TRANSACT_QUERY_SECURITY_DESC, 0,
+ 8 /* parm len */, tcon, (void **) &pSMB);
+ if (rc)
+ return rc;
+
+ pSMB->MaxParameterCount = cpu_to_le32(4);
+ /* BB TEST with big acls that might need to be e.g. larger than 16K */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Fid = fid; /* file handle always le */
+ pSMB->AclFlags = cpu_to_le32(CIFS_ACL_OWNER | CIFS_ACL_GROUP |
+ CIFS_ACL_DACL);
+ pSMB->ByteCount = cpu_to_le16(11); /* 3 bytes pad + 8 bytes parm */
+ pSMB->hdr.smb_buf_length += 11;
+ iov[0].iov_base = (char *)pSMB;
+ iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
+
+ rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type, 0);
+ cifs_stats_inc(&tcon->num_acl_get);
+ if (rc) {
+ cFYI(1, ("Send error in QuerySecDesc = %d", rc));
+ } else { /* decode response */
+ struct cifs_sid * psec_desc;
+ __le32 * parm;
+ int parm_len;
+ int data_len;
+ int acl_len;
+ struct smb_com_ntransact_rsp * pSMBr;
+
+/* validate_nttransact */
+ rc = validate_ntransact(iov[0].iov_base, (char **)&parm,
+ (char **)&psec_desc,
+ &parm_len, &data_len);
+
+ if(rc)
+ goto qsec_out;
+ pSMBr = (struct smb_com_ntransact_rsp *)iov[0].iov_base;
+
+ cERROR(1,("smb %p parm %p data %p",pSMBr,parm,psec_desc)); /* BB removeme BB */
+
+ if (le32_to_cpu(pSMBr->ParameterCount) != 4) {
+ rc = -EIO; /* bad smb */
+ goto qsec_out;
+ }
+
+/* BB check that data area is minimum length and as big as acl_len */
+
+ acl_len = le32_to_cpu(*(__le32 *)parm);
+ /* BB check if(acl_len > bufsize) */
+
+ parse_sec_desc(psec_desc, acl_len);
+ }
+qsec_out:
+ if(buf_type == CIFS_SMALL_BUFFER)
+ cifs_small_buf_release(iov[0].iov_base);
+ else if(buf_type == CIFS_LARGE_BUFFER)
+ cifs_buf_release(iov[0].iov_base);
+/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
+ return rc;
+}
+
+
+/* Legacy Query Path Information call for lookup to old servers such
+ as Win9x/WinME */
+int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
+ const unsigned char *searchName,
+ FILE_ALL_INFO * pFinfo,
+ const struct nls_table *nls_codepage, int remap)
+{
+ QUERY_INFORMATION_REQ * pSMB;
+ QUERY_INFORMATION_RSP * pSMBr;
+ int rc = 0;
+ int bytes_returned;
+ int name_len;
+
+ cFYI(1, ("In SMBQPath path %s", searchName));
+QInfRetry:
+ rc = smb_init(SMB_COM_QUERY_INFORMATION, 0, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len =
+ cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
+ PATH_MAX, nls_codepage, remap);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else {
+ name_len = strnlen(searchName, PATH_MAX);
+ name_len++; /* trailing null */
+ strncpy(pSMB->FileName, searchName, name_len);
+ }
+ pSMB->BufferFormat = 0x04;
+ name_len++; /* account for buffer type byte */
+ pSMB->hdr.smb_buf_length += (__u16) name_len;
+ pSMB->ByteCount = cpu_to_le16(name_len);
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in QueryInfo = %d", rc));
+ } else if (pFinfo) { /* decode response */
+ memset(pFinfo, 0, sizeof(FILE_ALL_INFO));
+ pFinfo->AllocationSize =
+ cpu_to_le64(le32_to_cpu(pSMBr->size));
+ pFinfo->EndOfFile = pFinfo->AllocationSize;
+ pFinfo->Attributes =
+ cpu_to_le32(le16_to_cpu(pSMBr->attr));
+ } else
+ rc = -EIO; /* bad buffer passed in */
+
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto QInfRetry;
+
+ return rc;
+}
+
+
+
+
int
CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
if (rc) {
cFYI(1, ("Send error in FindFileDirInfo = %d", rc));
} else { /* decode response */
-
+ cifs_stats_inc(&tcon->num_ffirst);
/* BB fill in */
}
const char *searchName,
const struct nls_table *nls_codepage,
__u16 * pnetfid,
- struct cifs_search_info * psrch_inf, int remap)
+ struct cifs_search_info * psrch_inf, int remap, const char dirsep)
{
/* level 257 SMB_ */
TRANSACTION2_FFIRST_REQ *pSMB = NULL;
it got remapped to 0xF03A as if it were part of the
directory name instead of a wildcard */
name_len *= 2;
- pSMB->FileName[name_len] = '\\';
+ pSMB->FileName[name_len] = dirsep;
pSMB->FileName[name_len+1] = 0;
pSMB->FileName[name_len+2] = '*';
pSMB->FileName[name_len+3] = 0;
if(name_len > buffersize-header)
free buffer exit; BB */
strncpy(pSMB->FileName, searchName, name_len);
- pSMB->FileName[name_len] = '\\';
+ pSMB->FileName[name_len] = dirsep;
pSMB->FileName[name_len+1] = '*';
pSMB->FileName[name_len+2] = 0;
name_len += 3;
pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
pSMB->ParameterOffset = cpu_to_le16(
- offsetof(struct smb_com_transaction2_ffirst_req, SearchAttributes) - 4);
+ offsetof(struct smb_com_transaction2_ffirst_req, SearchAttributes)
+ - 4);
pSMB->DataCount = 0;
pSMB->DataOffset = 0;
pSMB->SetupCount = 1; /* one byte, no need to make endian neutral */
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ cifs_stats_inc(&tcon->num_ffirst);
- if (rc) {/* BB add logic to retry regular search if Unix search rejected unexpectedly by server */
+ if (rc) {/* BB add logic to retry regular search if Unix search
+ rejected unexpectedly by server */
/* BB Add code to handle unsupported level rc */
cFYI(1, ("Error in FindFirst = %d", rc));
- if (pSMB)
- cifs_buf_release(pSMB);
+ cifs_buf_release(pSMB);
/* BB eventually could optimize out free and realloc of buf */
/* for this case */
psrch_inf->unicode = FALSE;
psrch_inf->ntwrk_buf_start = (char *)pSMBr;
+ psrch_inf->smallBuf = 0;
psrch_inf->srch_entries_start =
(char *) &pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->t2.DataOffset);
psrch_inf->endOfSearch = FALSE;
psrch_inf->entries_in_buffer = le16_to_cpu(parms->SearchCount);
- psrch_inf->index_of_last_entry =
+ psrch_inf->index_of_last_entry = 2 /* skip . and .. */ +
psrch_inf->entries_in_buffer;
*pnetfid = parms->SearchHandle;
} else {
if(name_len < PATH_MAX) {
memcpy(pSMB->ResumeFileName, psrch_inf->presume_name, name_len);
byte_count += name_len;
+ /* 14 byte parm len above enough for 2 byte null terminator */
+ pSMB->ResumeFileName[name_len] = 0;
+ pSMB->ResumeFileName[name_len+1] = 0;
} else {
rc = -EINVAL;
goto FNext2_err_exit;
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
-
+ cifs_stats_inc(&tcon->num_fnext);
if (rc) {
if (rc == -EBADF) {
psrch_inf->endOfSearch = TRUE;
parms = (T2_FNEXT_RSP_PARMS *)response_data;
response_data = (char *)&pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->t2.DataOffset);
- cifs_buf_release(psrch_inf->ntwrk_buf_start);
+ if(psrch_inf->smallBuf)
+ cifs_small_buf_release(
+ psrch_inf->ntwrk_buf_start);
+ else
+ cifs_buf_release(psrch_inf->ntwrk_buf_start);
psrch_inf->srch_entries_start = response_data;
psrch_inf->ntwrk_buf_start = (char *)pSMB;
+ psrch_inf->smallBuf = 0;
if(parms->EndofSearch)
psrch_inf->endOfSearch = TRUE;
else
if (rc) {
cERROR(1, ("Send error in FindClose = %d", rc));
}
+ cifs_stats_inc(&tcon->num_fclose);
cifs_small_buf_release(pSMB);
/* Since session is dead, search handle closed on server already */
return rc;
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
int
CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
goto GetInodeNumberRetry;
return rc;
}
-#endif /* CIFS_EXPERIMENTAL */
int
CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
(void **) &pSMBr);
if (rc)
return rc;
-
+
+ /* server pointer checked in called function,
+ but should never be null here anyway */
+ pSMB->hdr.Mid = GetNextMid(ses->server);
pSMB->hdr.Tid = ses->ipc_tid;
pSMB->hdr.Uid = ses->Suid;
if (ses->capabilities & CAP_STATUS32) {
temp = ((char *)referrals) + le16_to_cpu(referrals->DfsPathOffset);
if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
cifs_strfromUCS_le(*targetUNCs,
- (wchar_t *) temp, name_len, nls_codepage);
+ (__le16 *) temp, name_len, nls_codepage);
} else {
strncpy(*targetUNCs,temp,name_len);
}
return rc;
}
+/* Query File System Info such as free space to old servers such as Win 9x */
+int
+SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, struct kstatfs *FSData)
+{
+/* level 0x01 SMB_QUERY_FILE_SYSTEM_INFO */
+ TRANSACTION2_QFSI_REQ *pSMB = NULL;
+ TRANSACTION2_QFSI_RSP *pSMBr = NULL;
+ FILE_SYSTEM_ALLOC_INFO *response_data;
+ int rc = 0;
+ int bytes_returned = 0;
+ __u16 params, byte_count;
+
+ cFYI(1, ("OldQFSInfo"));
+oldQFSInfoRetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ params = 2; /* level */
+ pSMB->TotalDataCount = 0;
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(1000);
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->ParameterOffset = cpu_to_le16(offsetof(
+ struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);
+ pSMB->DataCount = 0;
+ pSMB->DataOffset = 0;
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_ALLOCATION);
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in QFSInfo = %d", rc));
+ } else { /* decode response */
+ rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+
+ if (rc || (pSMBr->ByteCount < 18))
+ rc = -EIO; /* bad smb */
+ else {
+ __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+ cFYI(1,("qfsinf resp BCC: %d Offset %d",
+ pSMBr->ByteCount, data_offset));
+
+ response_data =
+ (FILE_SYSTEM_ALLOC_INFO *)
+ (((char *) &pSMBr->hdr.Protocol) + data_offset);
+ FSData->f_bsize =
+ le16_to_cpu(response_data->BytesPerSector) *
+ le32_to_cpu(response_data->
+ SectorsPerAllocationUnit);
+ FSData->f_blocks =
+ le32_to_cpu(response_data->TotalAllocationUnits);
+ FSData->f_bfree = FSData->f_bavail =
+ le32_to_cpu(response_data->FreeAllocationUnits);
+ cFYI(1,
+ ("Blocks: %lld Free: %lld Block size %ld",
+ (unsigned long long)FSData->f_blocks,
+ (unsigned long long)FSData->f_bfree,
+ FSData->f_bsize));
+ }
+ }
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto oldQFSInfoRetry;
+
+ return rc;
+}
+
int
CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, struct kstatfs *FSData)
{
params = 2; /* level */
pSMB->TotalDataCount = 0;
pSMB->MaxParameterCount = cpu_to_le16(2);
- pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find exact max SMB PDU from sess structure BB */
+ pSMB->MaxDataCount = cpu_to_le16(1000);
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
- cERROR(1, ("Send error in QFSInfo = %d", rc));
+ cFYI(1, ("Send error in QFSInfo = %d", rc));
} else { /* decode response */
rc = validate_t2((struct smb_t2_rsp *)pSMBr);
- if (rc || (pSMBr->ByteCount < 24)) /* BB alsO CHEck enough total bytes returned */
+ if (rc || (pSMBr->ByteCount < 24))
rc = -EIO; /* bad smb */
else {
__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
- cFYI(1,
- ("Decoding qfsinfo response. BCC: %d Offset %d",
- pSMBr->ByteCount, data_offset));
response_data =
(FILE_SYSTEM_INFO
return rc;
}
+int
+CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, __u64 cap)
+{
+/* level 0x200 SMB_SET_CIFS_UNIX_INFO */
+ TRANSACTION2_SETFSI_REQ *pSMB = NULL;
+ TRANSACTION2_SETFSI_RSP *pSMBr = NULL;
+ int rc = 0;
+ int bytes_returned = 0;
+ __u16 params, param_offset, offset, byte_count;
+
+ cFYI(1, ("In SETFSUnixInfo"));
+SETFSUnixRetry:
+ /* BB switch to small buf init to save memory */
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ params = 4; /* 2 bytes zero followed by info level. */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ param_offset = offsetof(struct smb_com_transaction2_setfsi_req, FileNum) - 4;
+ offset = param_offset + params;
+
+ pSMB->MaxParameterCount = cpu_to_le16(4);
+ pSMB->MaxDataCount = cpu_to_le16(100); /* BB find exact max SMB PDU from sess structure BB */
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FS_INFORMATION);
+ byte_count = 1 /* pad */ + params + 12;
+
+ pSMB->DataCount = cpu_to_le16(12);
+ pSMB->ParameterCount = cpu_to_le16(params);
+ pSMB->TotalDataCount = pSMB->DataCount;
+ pSMB->TotalParameterCount = pSMB->ParameterCount;
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+
+ /* Params. */
+ pSMB->FileNum = 0;
+ pSMB->InformationLevel = cpu_to_le16(SMB_SET_CIFS_UNIX_INFO);
+
+ /* Data. */
+ pSMB->ClientUnixMajor = cpu_to_le16(CIFS_UNIX_MAJOR_VERSION);
+ pSMB->ClientUnixMinor = cpu_to_le16(CIFS_UNIX_MINOR_VERSION);
+ pSMB->ClientUnixCap = cpu_to_le64(cap);
+
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cERROR(1, ("Send error in SETFSUnixInfo = %d", rc));
+ } else { /* decode response */
+ rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+ if (rc) {
+ rc = -EIO; /* bad smb */
+ }
+ }
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto SETFSUnixRetry;
+
+ return rc;
+}
+
+
int
CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
le64_to_cpu(response_data->TotalBlocks);
FSData->f_bfree =
le64_to_cpu(response_data->BlocksAvail);
- if(response_data->UserBlocksAvail == -1) {
+ if(response_data->UserBlocksAvail == cpu_to_le64(-1)) {
FSData->f_bavail = FSData->f_bfree;
} else {
FSData->f_bavail =
le64_to_cpu(response_data->UserBlocksAvail);
}
- if(response_data->TotalFileNodes != -1)
+ if(response_data->TotalFileNodes != cpu_to_le64(-1))
FSData->f_files =
le64_to_cpu(response_data->TotalFileNodes);
- if(response_data->FreeFileNodes != -1)
+ if(response_data->FreeFileNodes != cpu_to_le64(-1))
FSData->f_ffree =
le64_to_cpu(response_data->FreeFileNodes);
}
PATH_MAX, nls_codepage, remap);
name_len++; /* trailing null */
name_len *= 2;
- } else { /* BB improve the check for buffer overruns BB */
+ } else { /* BB improve the check for buffer overruns BB */
name_len = strnlen(fileName, PATH_MAX);
name_len++; /* trailing null */
strncpy(pSMB->FileName, fileName, name_len);
params = 6 + name_len;
data_count = sizeof (struct file_end_of_file_info);
pSMB->MaxParameterCount = cpu_to_le16(2);
- pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB size from sess */
+ pSMB->MaxDataCount = cpu_to_le16(4100);
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
PATH_MAX, nls_codepage, remap);
name_len++; /* trailing null */
name_len *= 2;
- } else { /* BB improve the check for buffer overruns BB */
+ } else { /* BB improve the check for buffer overruns BB */
name_len = strnlen(fileName, PATH_MAX);
name_len++; /* trailing null */
strncpy(pSMB->FileName, fileName, name_len);
}
int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
- const int notify_subdirs, const __u16 netfid,
- __u32 filter, const struct nls_table *nls_codepage)
+ const int notify_subdirs, const __u16 netfid,
+ __u32 filter, struct file * pfile, int multishot,
+ const struct nls_table *nls_codepage)
{
int rc = 0;
struct smb_com_transaction_change_notify_req * pSMB = NULL;
- struct smb_com_transaction_change_notify_rsp * pSMBr = NULL;
+ struct smb_com_ntransaction_change_notify_rsp * pSMBr = NULL;
+ struct dir_notify_req *dnotify_req;
int bytes_returned;
cFYI(1, ("In CIFSSMBNotify for file handle %d",(int)netfid));
pSMB->MaxParameterCount = cpu_to_le32(2);
/* BB find exact data count max from sess structure BB */
pSMB->MaxDataCount = 0; /* same in little endian or be */
+/* BB VERIFY verify which is correct for above BB */
+ pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
+
pSMB->MaxSetupCount = 4;
pSMB->Reserved = 0;
pSMB->ParameterOffset = 0;
(struct smb_hdr *) pSMBr, &bytes_returned, -1);
if (rc) {
cFYI(1, ("Error in Notify = %d", rc));
+ } else {
+ /* Add file to outstanding requests */
+ /* BB change to kmem cache alloc */
+ dnotify_req = (struct dir_notify_req *) kmalloc(
+ sizeof(struct dir_notify_req),
+ GFP_KERNEL);
+ if(dnotify_req) {
+ dnotify_req->Pid = pSMB->hdr.Pid;
+ dnotify_req->PidHigh = pSMB->hdr.PidHigh;
+ dnotify_req->Mid = pSMB->hdr.Mid;
+ dnotify_req->Tid = pSMB->hdr.Tid;
+ dnotify_req->Uid = pSMB->hdr.Uid;
+ dnotify_req->netfid = netfid;
+ dnotify_req->pfile = pfile;
+ dnotify_req->filter = filter;
+ dnotify_req->multishot = multishot;
+ spin_lock(&GlobalMid_Lock);
+ list_add_tail(&dnotify_req->lhead,
+ &GlobalDnotifyReqList);
+ spin_unlock(&GlobalMid_Lock);
+ } else
+ rc = -ENOMEM;
}
cifs_buf_release(pSMB);
return rc;
parm_data->list_len = cpu_to_le32(count);
parm_data->list[0].EA_flags = 0;
/* we checked above that name len is less than 255 */
- parm_data->list[0].name_len = (__u8)name_len;;
+ parm_data->list[0].name_len = (__u8)name_len;
/* EA names are always ASCII */
if(ea_name)
strncpy(parm_data->list[0].name,ea_name,name_len);
git://git.onelab.eu / linux-2.6.git / blobdiff