#include "cifs_unicode.h"
#include "cifs_debug.h"
+#ifdef CONFIG_CIFS_POSIX
static struct {
int index;
char *name;
} protocols[] = {
{CIFS_PROT, "\2NT LM 0.12"},
+ {CIFS_PROT, "\2POSIX 2"},
{BAD_PROT, "\2"}
};
+#else
+static struct {
+ int index;
+ char *name;
+} protocols[] = {
+ {CIFS_PROT, "\2NT LM 0.12"},
+ {BAD_PROT, "\2"}
+};
+#endif
/* Mark as invalid, all open files on tree connections since they
return rc;
*request_buf = cifs_buf_get();
- if (request_buf == 0) {
+ if (*request_buf == 0) {
+ /* BB should we add a retry in here if not a writepage? */
return -ENOMEM;
}
/* Although the original thought was we needed the response buf for */
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
return rc;
}
int rc = 0;
int bytes_returned;
struct TCP_Server_Info * server;
+ u16 count;
if(ses->server)
server = ses->server;
rc = -EIO;
return rc;
}
- rc = smb_init(SMB_COM_NEGOTIATE, 0, 0 /* no tcon yet */ ,
+ rc = smb_init(SMB_COM_NEGOTIATE, 0, NULL /* no tcon yet */ ,
(void **) &pSMB, (void **) &pSMBr);
if (rc)
return rc;
if (extended_security)
pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
- pSMB->ByteCount = strlen(protocols[0].name) + 1;
+ count = strlen(protocols[0].name) + 1;
strncpy(pSMB->DialectsArray, protocols[0].name, 30);
/* null guaranteed to be at end of source and target buffers anyway */
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += count;
+ pSMB->ByteCount = cpu_to_le16(count);
rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
/* BB might be helpful to save off the domain of server here */
- if (pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) {
- if (pSMBr->ByteCount < 16)
+ if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) &&
+ (server->capabilities & CAP_EXTENDED_SECURITY)) {
+ count = pSMBr->ByteCount;
+ if (count < 16)
rc = -EIO;
- else if (pSMBr->ByteCount == 16) {
+ else if (count == 16) {
server->secType = RawNTLMSSP;
if (server->socketUseCount.counter > 1) {
if (memcmp
rc = decode_negTokenInit(pSMBr->u.
extended_response.
SecurityBlob,
- pSMBr->ByteCount -
- 16, &server->secType);
+ count - 16,
+ &server->secType);
}
} else
server->capabilities &= ~CAP_EXTENDED_SECURITY;
return 0;
}
-/* BB remove (from server) list of shares - but with smp safety BB */
-/* BB is ses active - do we need to check here - but how? BB */
if((tcon->ses == 0) || (tcon->ses->server == 0)) {
up(&tcon->tconSem);
return -EIO;
return -EBUSY;
}
- rc = smb_init(SMB_COM_LOGOFF_ANDX, 2, 0 /* no tcon anymore */,
+ rc = smb_init(SMB_COM_LOGOFF_ANDX, 2, NULL /* no tcon anymore */,
(void **) &pSMB, (void **) &smb_buffer_response);
-
- if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
- pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
+
+ if(ses->server) {
+ if(ses->server->secMode &
+ (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
+ }
if (rc) {
up(&ses->sesSem);
smb_buffer_response, &length, 0);
if (ses->server) {
atomic_dec(&ses->server->socketUseCount);
- if (atomic_read(&ses->server->socketUseCount) == 0)
+ if (atomic_read(&ses->server->socketUseCount) == 0) {
+ spin_lock(&GlobalMid_Lock);
ses->server->tcpStatus = CifsExiting;
+ spin_unlock(&GlobalMid_Lock);
+ rc = -ESHUTDOWN;
+ }
}
if (pSMB)
cifs_buf_release(pSMB);
}
pSMB->SearchAttributes =
cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM);
- pSMB->ByteCount = name_len + 1;
pSMB->BufferFormat = 0x04;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += name_len + 1;
+ pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
cFYI(1, ("Error in RMFile = %d", rc));
- }
+ }
+#ifdef CONFIG_CIFS_STATS
+ else {
+ atomic_inc(&tcon->num_deletes);
+ }
+#endif
+
if (pSMB)
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
strncpy(pSMB->DirName, dirName, name_len);
}
- pSMB->ByteCount = name_len + 1;
pSMB->BufferFormat = 0x04;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += name_len + 1;
+ pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
cFYI(1, ("Error in RMDir = %d", rc));
}
+#ifdef CONFIG_CIFS_STATS
+ else {
+ atomic_inc(&tcon->num_rmdirs);
+ }
+#endif
+
if (pSMB)
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
strncpy(pSMB->DirName, name, name_len);
}
- pSMB->ByteCount = name_len + 1 /* for buf format */ ;
pSMB->BufferFormat = 0x04;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += name_len + 1;
+ pSMB->ByteCount = cpu_to_le16(name_len + 1);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
cFYI(1, ("Error in Mkdir = %d", rc));
}
+#ifdef CONFIG_CIFS_STATS
+ else {
+ atomic_inc(&tcon->num_mkdirs);
+ }
+#endif
if (pSMB)
cifs_buf_release(pSMB);
if (rc == -EAGAIN)
OPEN_RSP *pSMBr = NULL;
int bytes_returned;
int name_len;
+ __u16 count;
openRetry:
rc = smb_init(SMB_COM_NT_CREATE_ANDX, 24, tcon, (void **) &pSMB,
pSMB->AndXCommand = 0xFF; /* none */
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
- pSMB->ByteCount = 1; /* account for one byte pad to word boundary */
+ count = 1; /* account for one byte pad to word boundary */
name_len =
cifs_strtoUCS((wchar_t *) (pSMB->fileName + 1),
fileName, 530
name_len *= 2;
pSMB->NameLength = cpu_to_le16(name_len);
} else { /* BB improve the check for buffer overruns BB */
- pSMB->ByteCount = 0; /* no pad */
+ count = 0; /* no pad */
name_len = strnlen(fileName, 530);
name_len++; /* trailing null */
pSMB->NameLength = cpu_to_le16(name_len);
}
pSMB->DesiredAccess = cpu_to_le32(access_flags);
pSMB->AllocationSize = 0;
- pSMB->FileAttributes = ATTR_NORMAL;
+ 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 */
if (tcon->ses->capabilities & CAP_UNIX)
- pSMB->FileAttributes |= ATTR_POSIX_SEMANTICS;
+ pSMB->FileAttributes |= cpu_to_le32(ATTR_POSIX_SEMANTICS);
/* if ((omode & S_IWUGO) == 0)
- pSMB->FileAttributes |= ATTR_READONLY;*/
+ 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 */
- pSMB->FileAttributes = cpu_to_le32(pSMB->FileAttributes);
pSMB->ShareAccess = cpu_to_le32(FILE_SHARE_ALL);
pSMB->CreateDisposition = cpu_to_le32(openDisposition);
pSMB->CreateOptions = cpu_to_le32(create_options);
pSMB->ImpersonationLevel = cpu_to_le32(SECURITY_IMPERSONATION); /* BB ??*/
pSMB->SecurityFlags =
- cpu_to_le32(SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY);
+ SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY;
- pSMB->ByteCount += name_len;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ count += name_len;
+ pSMB->hdr.smb_buf_length += count;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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);
pfile_info->EndOfFile = pSMBr->EndOfFile;
pfile_info->NumberOfLinks = cpu_to_le32(1);
}
+
+#ifdef CONFIG_CIFS_STATS
+ atomic_inc(&tcon->num_opens);
+#endif
}
if (pSMB)
cifs_buf_release(pSMB);
if (rc) {
cERROR(1, ("Send error in read = %d", rc));
} else {
- pSMBr->DataLength = le16_to_cpu(pSMBr->DataLength);
- *nbytes = pSMBr->DataLength;
+ __u16 data_length = le16_to_cpu(pSMBr->DataLength);
+ *nbytes = data_length;
/*check that DataLength would not go beyond end of SMB */
- if ((pSMBr->DataLength > CIFS_MAX_MSGSIZE)
- || (pSMBr->DataLength > count)) {
- cFYI(1,("bad length %d for count %d",pSMBr->DataLength,count));
+ if ((data_length > CIFS_MAX_MSGSIZE)
+ || (data_length > count)) {
+ cFYI(1,("bad length %d for count %d",data_length,count));
rc = -EIO;
*nbytes = 0;
} else {
pReadData =
(char *) (&pSMBr->hdr.Protocol) +
le16_to_cpu(pSMBr->DataOffset);
-/* if(rc = copy_to_user(buf, pReadData, pSMBr->DataLength)) {
+/* 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,pSMBr->DataLength);
+ memcpy(*buf,pReadData,data_length);
}
}
if (pSMB) {
WRITE_REQ *pSMB = NULL;
WRITE_RSP *pSMBr = NULL;
int bytes_returned;
+ unsigned bytes_sent;
+ __u16 byte_count;
rc = smb_init(SMB_COM_WRITE_ANDX, 14, tcon, (void **) &pSMB,
(void **) &pSMBr);
pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF);
pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
pSMB->Remaining = 0;
- if (count > ((tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFF00))
- pSMB->DataLengthLow =
- (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFF00;
- else
- pSMB->DataLengthLow = count;
+ 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);
- memcpy(pSMB->Data,buf,pSMB->DataLengthLow);
+ memcpy(pSMB->Data,buf,bytes_sent);
- pSMB->ByteCount += pSMB->DataLengthLow + 1 /* pad */ ;
- pSMB->DataLengthLow = cpu_to_le16(pSMB->DataLengthLow);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, long_op);
if (rc) {
- cERROR(1, ("Send error in write = %d", rc));
+ cFYI(1, ("Send error in write = %d", rc));
*nbytes = 0;
} else
*nbytes = le16_to_cpu(pSMBr->Count);
LOCK_RSP *pSMBr = NULL;
int bytes_returned;
int timeout = 0;
- __u64 temp;
+ __u16 count;
cFYI(1, ("In CIFSSMBLock - timeout %d numLock %d",waitFlag,numLock));
rc = smb_init(SMB_COM_LOCKING_ANDX, 8, tcon, (void **) &pSMB,
pSMB->Timeout = 0;
} else if (waitFlag == TRUE) {
timeout = 3; /* blocking operation, no timeout */
- pSMB->Timeout = -1; /* blocking - do not time out */
+ pSMB->Timeout = cpu_to_le32(-1);/* blocking - do not time out */
} else {
pSMB->Timeout = 0;
}
- pSMB->NumberOfLocks = cpu_to_le32(numLock);
- pSMB->NumberOfUnlocks = cpu_to_le32(numUnlock);
+ pSMB->NumberOfLocks = cpu_to_le16(numLock);
+ pSMB->NumberOfUnlocks = cpu_to_le16(numUnlock);
pSMB->LockType = lockType;
pSMB->AndXCommand = 0xFF; /* none */
pSMB->Fid = smb_file_id; /* netfid stays le */
- pSMB->Locks[0].Pid = cpu_to_le16(current->tgid);
- temp = cpu_to_le64(len);
- pSMB->Locks[0].LengthLow = (__u32)(len & 0xFFFFFFFF);
- pSMB->Locks[0].LengthHigh = (__u32)(len>>32);
- temp = cpu_to_le64(offset);
- pSMB->Locks[0].OffsetLow = (__u32)(offset & 0xFFFFFFFF);
- pSMB->Locks[0].OffsetHigh = (__u32)(offset>>32);
- pSMB->ByteCount = sizeof (LOCKING_ANDX_RANGE);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ if((numLock != 0) || (numUnlock != 0)) {
+ pSMB->Locks[0].Pid = cpu_to_le16(current->tgid);
+ /* BB where to store pid high? */
+ pSMB->Locks[0].LengthLow = cpu_to_le32((u32)len);
+ pSMB->Locks[0].LengthHigh = cpu_to_le32((u32)(len>>32));
+ pSMB->Locks[0].OffsetLow = cpu_to_le32((u32)offset);
+ pSMB->Locks[0].OffsetHigh = cpu_to_le32((u32)(offset>>32));
+ count = sizeof(LOCKING_ANDX_RANGE);
+ } else {
+ /* oplock break */
+ count = 0;
+ }
+ pSMB->hdr.smb_buf_length += count;
+ pSMB->ByteCount = cpu_to_le16(count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, timeout);
if (rc) {
- cERROR(1, ("Send error in Lock = %d", rc));
+ cFYI(1, ("Send error in Lock = %d", rc));
}
if (pSMB)
cifs_buf_release(pSMB);
RENAME_RSP *pSMBr = NULL;
int bytes_returned;
int name_len, name_len2;
+ __u16 count;
cFYI(1, ("In CIFSSMBRename"));
renameRetry:
name_len2++; /* signature byte */
}
- pSMB->ByteCount = 1 /* 1st signature byte */ + name_len + name_len2;
- /* we could also set search attributes but not needed */
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ count = 1 /* 1st signature byte */ + name_len + name_len2;
+ pSMB->hdr.smb_buf_length += count;
+ pSMB->ByteCount = cpu_to_le16(count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
cFYI(1, ("Send error in rename = %d", rc));
+ }
+
+#ifdef CONFIG_CIFS_STATS
+ else {
+ atomic_inc(&tcon->num_renames);
}
+#endif
+
if (pSMB)
cifs_buf_release(pSMB);
int rc = 0;
int bytes_returned = 0;
int len_of_str;
+ __u16 params, param_offset, offset, count, byte_count;
cFYI(1, ("Rename to File by handle"));
rc = smb_init(SMB_COM_TRANSACTION2, 15, pTcon, (void **) &pSMB,
if (rc)
return rc;
- pSMB->ParameterCount = 6;
+ params = 6;
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_sfi_req,
- Fid) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
+ offset = param_offset + params;
- data_offset = (char *) (&pSMB->hdr.Protocol) + pSMB->DataOffset;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
rename_info = (struct set_file_rename *) data_offset;
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;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ byte_count = 3 /* pad */ + params;
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalParameterCount = pSMB->ParameterCount;
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
/* construct random name ".cifs_tmp<inodenum><mid>" */
rename_info->overwrite = cpu_to_le32(1);
rename_info->root_fid = 0;
len_of_str = cifs_strtoUCS((wchar_t *) rename_info->target_name, target_name, 530, nls_codepage);
}
rename_info->target_name_len = cpu_to_le32(2 * len_of_str);
- pSMB->DataCount = 12 /* sizeof(struct set_file_rename) */ + (2 * len_of_str) + 2;
- pSMB->ByteCount += pSMB->DataCount;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
+ count = 12 /* sizeof(struct set_file_rename) */ + (2 * len_of_str) + 2;
+ byte_count += count;
+ pSMB->DataCount = cpu_to_le16(count);
pSMB->TotalDataCount = pSMB->DataCount;
pSMB->Fid = netfid;
pSMB->InformationLevel =
cpu_to_le16(SMB_SET_FILE_RENAME_INFORMATION);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
if (rc) {
cFYI(1,("Send error in Rename (by file handle) = %d", rc));
}
-
+#ifdef CONFIG_CIFS_STATS
+ else {
+ atomic_inc(&pTcon->num_t2renames);
+ }
+#endif
if (pSMB)
cifs_buf_release(pSMB);
return rc;
}
+int
+CIFSSMBCopy(const int xid, struct cifsTconInfo *tcon, const char * fromName,
+ const __u16 target_tid, const char *toName, const int flags,
+ const struct nls_table *nls_codepage)
+{
+ int rc = 0;
+ COPY_REQ *pSMB = NULL;
+ COPY_RSP *pSMBr = NULL;
+ int bytes_returned;
+ int name_len, name_len2;
+ __u16 count;
+
+ cFYI(1, ("In CIFSSMBCopy"));
+copyRetry:
+ rc = smb_init(SMB_COM_COPY, 1, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ pSMB->BufferFormat = 0x04;
+ pSMB->Tid2 = target_tid;
+
+ pSMB->Flags = cpu_to_le16(flags & COPY_TREE);
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len = cifs_strtoUCS((wchar_t *) pSMB->OldFileName,
+ fromName,
+ 530 /* find define for this maxpathcomponent */,
+ nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ pSMB->OldFileName[name_len] = 0x04; /* pad */
+ /* protocol requires ASCII signature byte on Unicode string */
+ pSMB->OldFileName[name_len + 1] = 0x00;
+ name_len2 = cifs_strtoUCS((wchar_t *) & pSMB->
+ OldFileName[name_len + 2], toName, 530,
+ nls_codepage);
+ name_len2 += 1 /* trailing null */ + 1 /* Signature word */ ;
+ name_len2 *= 2; /* convert to bytes */
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(fromName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->OldFileName, fromName, name_len);
+ name_len2 = strnlen(toName, 530);
+ name_len2++; /* trailing null */
+ pSMB->OldFileName[name_len] = 0x04; /* 2nd buffer format */
+ strncpy(&pSMB->OldFileName[name_len + 1], toName, name_len2);
+ name_len2++; /* trailing null */
+ name_len2++; /* signature byte */
+ }
+
+ count = 1 /* 1st signature byte */ + name_len + name_len2;
+ pSMB->hdr.smb_buf_length += count;
+ pSMB->ByteCount = cpu_to_le16(count);
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in copy = %d with %d files copied",
+ rc, le16_to_cpu(pSMBr->CopyCount)));
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto copyRetry;
+
+ return rc;
+}
int
CIFSUnixCreateSymLink(const int xid, struct cifsTconInfo *tcon,
int name_len_target;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, param_offset, offset, byte_count;
cFYI(1, ("In Symlink Unix style"));
createSymLinkRetry:
name_len++; /* trailing null */
strncpy(pSMB->FileName, fromName, name_len);
}
- pSMB->ParameterCount = 6 + name_len;
+ params = 6 + name_len;
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
InformationLevel) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ offset = param_offset + params;
- data_offset = (char *) (&pSMB->hdr.Protocol) + pSMB->DataOffset;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len_target =
cifs_strtoUCS((wchar_t *) data_offset, toName, 530
strncpy(data_offset, toName, name_len_target);
}
- pSMB->DataCount = name_len_target;
pSMB->MaxParameterCount = cpu_to_le16(2);
/* BB find exact max on data count below from sess */
pSMB->MaxDataCount = cpu_to_le16(1000);
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ byte_count = 3 /* pad */ + params + name_len_target;
+ pSMB->DataCount = cpu_to_le16(name_len_target);
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalDataCount = pSMB->DataCount;
pSMB->TotalParameterCount = pSMB->ParameterCount;
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_LINK);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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) {
int name_len_target;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, param_offset, offset, byte_count;
cFYI(1, ("In Create Hard link Unix style"));
createHardLinkRetry:
name_len++; /* trailing null */
strncpy(pSMB->FileName, toName, name_len);
}
- pSMB->ParameterCount = 6 + name_len;
+ params = 6 + name_len;
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
InformationLevel) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ offset = param_offset + params;
- data_offset = (char *) (&pSMB->hdr.Protocol) + pSMB->DataOffset;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len_target =
cifs_strtoUCS((wchar_t *) data_offset, fromName, 530
strncpy(data_offset, fromName, name_len_target);
}
- pSMB->DataCount = name_len_target;
pSMB->MaxParameterCount = cpu_to_le16(2);
/* BB find exact max on data count below from sess*/
pSMB->MaxDataCount = cpu_to_le16(1000);
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ byte_count = 3 /* pad */ + params + name_len_target;
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalParameterCount = pSMB->ParameterCount;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
+ pSMB->DataCount = cpu_to_le16(name_len_target);
pSMB->TotalDataCount = pSMB->DataCount;
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_HLINK);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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) {
RENAME_RSP *pSMBr = NULL;
int bytes_returned;
int name_len, name_len2;
+ __u16 count;
cFYI(1, ("In CIFSCreateHardLink"));
winCreateHardLinkRetry:
name_len2++; /* signature byte */
}
- pSMB->ByteCount = 1 /* string type byte */ + name_len + name_len2;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ count = 1 /* string type byte */ + name_len + name_len2;
+ pSMB->hdr.smb_buf_length += count;
+ pSMB->ByteCount = cpu_to_le16(count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
int rc = 0;
int bytes_returned;
int name_len;
+ __u16 params, byte_count;
cFYI(1, ("In QPathSymLinkInfo (Unix) for path %s", searchName));
strncpy(pSMB->FileName, searchName, name_len);
}
- pSMB->TotalParameterCount =
- 2 /* level */ + 4 /* rsrvd */ + name_len /* incl null */ ;
+ params = 2 /* level */ + 4 /* rsrvd */ + name_len /* incl null */ ;
pSMB->TotalDataCount = 0;
pSMB->MaxParameterCount = cpu_to_le16(2);
/* BB find exact max data count below from sess structure BB */
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_LINK);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QuerySymLinkInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
- pSMBr->DataCount = le16_to_cpu(pSMBr->DataCount);
- if ((pSMBr->ByteCount < 2) || (pSMBr->DataOffset > 512))
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 count = le16_to_cpu(pSMBr->DataCount);
+ if ((pSMBr->ByteCount < 2) || (data_offset > 512))
/* BB also check enough total bytes returned */
rc = -EIO; /* bad smb */
else {
if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len = UniStrnlen((wchar_t *) ((char *)
- &pSMBr->hdr.Protocol +pSMBr->DataOffset),
- min_t(const int, buflen,pSMBr->DataCount) / 2);
+ &pSMBr->hdr.Protocol +data_offset),
+ min_t(const int, buflen,count) / 2);
cifs_strfromUCS_le(symlinkinfo,
(wchar_t *) ((char *)&pSMBr->hdr.Protocol +
- pSMBr->DataOffset),
+ data_offset),
name_len, nls_codepage);
} else {
strncpy(symlinkinfo,
(char *) &pSMBr->hdr.Protocol +
- pSMBr->DataOffset,
- min_t(const int, buflen, pSMBr->DataCount));
+ data_offset,
+ min_t(const int, buflen, count));
}
symlinkinfo[buflen] = 0;
/* just in case so calling code does not go off the end of buffer */
pSMB->TotalParameterCount = 0 ;
pSMB->TotalDataCount = 0;
- pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxParameterCount = cpu_to_le32(2);
/* BB find exact data count max from sess structure BB */
- pSMB->MaxDataCount = cpu_to_le16(4000);
+ pSMB->MaxDataCount = cpu_to_le32(4000);
pSMB->MaxSetupCount = 4;
pSMB->Reserved = 0;
pSMB->ParameterOffset = 0;
if (rc) {
cFYI(1, ("Send error in QueryReparseLinkInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
- pSMBr->DataCount = le16_to_cpu(pSMBr->DataCount);
- if ((pSMBr->ByteCount < 2) || (pSMBr->DataOffset > 512))
+ __u32 data_offset = le32_to_cpu(pSMBr->DataOffset);
+ __u32 data_count = le32_to_cpu(pSMBr->DataCount);
+ if ((pSMBr->ByteCount < 2) || (data_offset > 512))
/* BB also check enough total bytes returned */
rc = -EIO; /* bad smb */
else {
- if(pSMBr->DataCount && (pSMBr->DataCount < 2048)) {
+ if(data_count && (data_count < 2048)) {
/* could also validate reparse tag && better check name length */
struct reparse_data * reparse_buf = (struct reparse_data *)
- ((char *)&pSMBr->hdr.Protocol + pSMBr->DataOffset);
+ ((char *)&pSMBr->hdr.Protocol + data_offset);
if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len = UniStrnlen((wchar_t *)
(reparse_buf->LinkNamesBuf +
int rc = 0;
int bytes_returned;
int name_len;
+ __u16 params, byte_count;
cFYI(1, ("In QPathInfo path %s", searchName));
QPathInfoRetry:
strncpy(pSMB->FileName, searchName, name_len);
}
- pSMB->TotalParameterCount = 2 /* level */ + 4 /* reserved */ +
- name_len /* includes null */ ;
+ params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
pSMB->TotalDataCount = 0;
pSMB->MaxParameterCount = cpu_to_le16(2);
pSMB->MaxDataCount = cpu_to_le16(4000); /* BB find exact max SMB PDU from sess structure BB */
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QPathInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
/* BB also check enough total bytes returned */
- if ((pSMBr->ByteCount < 40) || (pSMBr->DataOffset > 512))
+ /* BB we need to improve the validity checking
+ of these trans2 responses */
+ if ((pSMBr->ByteCount < 40) || (data_offset > 512))
rc = -EIO; /* bad smb */
else if (pFindData){
memcpy((char *) pFindData,
(char *) &pSMBr->hdr.Protocol +
- pSMBr->DataOffset, sizeof (FILE_ALL_INFO));
+ data_offset, sizeof (FILE_ALL_INFO));
} else
rc = -ENOMEM;
}
int rc = 0;
int bytes_returned = 0;
int name_len;
+ __u16 params, byte_count;
cFYI(1, ("In QPathInfo (Unix) the path %s", searchName));
UnixQPathInfoRetry:
strncpy(pSMB->FileName, searchName, name_len);
}
- pSMB->TotalParameterCount = 2 /* level */ + 4 /* reserved */ +
- name_len /* includes null */ ;
+ params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
pSMB->TotalDataCount = 0;
pSMB->MaxParameterCount = cpu_to_le16(2);
/* BB find exact max SMB PDU from sess structure BB */
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QPathInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
/* BB also check if enough total bytes returned */
if ((pSMBr->ByteCount < sizeof(FILE_UNIX_BASIC_INFO)) ||
- (pSMBr->DataOffset > 512) ||
- (pSMBr->DataOffset < sizeof(struct smb_hdr))) {
+ (data_offset > 512) ||
+ (data_offset < sizeof(struct smb_hdr))) {
cFYI(1,("UnixQPathinfo invalid data offset %d bytes returned %d",
- (int)pSMBr->DataOffset,bytes_returned));
+ (int)data_offset,bytes_returned));
rc = -EIO; /* bad smb */
} else {
memcpy((char *) pFindData,
(char *) &pSMBr->hdr.Protocol +
- pSMBr->DataOffset,
+ data_offset,
sizeof (FILE_UNIX_BASIC_INFO));
}
}
int rc = 0;
int bytes_returned;
int name_len;
+ __u16 params, byte_count;
cFYI(1, ("In FindUnique"));
findUniqueRetry:
strncpy(pSMB->FileName, searchName, name_len);
}
- pSMB->TotalParameterCount = 12 + name_len /* includes null */ ;
+ params = 12 + name_len /* includes null */ ;
pSMB->TotalDataCount = 0; /* no EAs */
pSMB->MaxParameterCount = cpu_to_le16(2);
pSMB->MaxDataCount = cpu_to_le16(4000); /* BB find exact max SMB PDU from sess structure BB */
pSMB->SetupCount = 1; /* one byte, no need to le convert */
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_FIND_FIRST);
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalDataCount);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
pSMB->SearchAttributes =
cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
pSMB->SearchFlags = cpu_to_le16(1);
pSMB->InformationLevel = cpu_to_le16(SMB_FIND_FILE_DIRECTORY_INFO);
pSMB->SearchStorageType = 0; /* BB what should we set this to? BB */
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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);
int rc = 0;
int bytes_returned;
int name_len;
+ __u16 params, byte_count;
cFYI(1, ("In FindFirst"));
findFirstRetry:
strncpy(pSMB->FileName, searchName, name_len);
}
- pSMB->TotalParameterCount = 12 + name_len /* includes null */ ;
+ params = 12 + name_len /* includes null */ ;
pSMB->TotalDataCount = 0; /* no EAs */
pSMB->MaxParameterCount = cpu_to_le16(10);
pSMB->MaxDataCount = cpu_to_le16((tcon->ses->server->maxBuf -
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ 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_ffirst_req, SearchAttributes) - 4);
*pUnixFlag = FALSE;
}
pSMB->SearchStorageType = 0; /* BB what should we set this to? It is not clear if it matters BB */
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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);
(char *) &pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->ParameterOffset),
sizeof (T2_FFIRST_RSP_PARMS));
- /* search handle can stay LE and EAoffset not needed so not converted */
- findParms->EndofSearch = le16_to_cpu(findParms->EndofSearch);
- findParms->LastNameOffset =
- le16_to_cpu(findParms->LastNameOffset);
- findParms->SearchCount = le16_to_cpu(findParms->SearchCount);
response_data =
(char *) &pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->DataOffset);
char *response_data;
int rc = 0;
int bytes_returned;
+ __u16 params, byte_count;
cFYI(1, ("In FindNext"));
if (rc)
return rc;
- pSMB->TotalParameterCount = 14; /* includes 2 bytes of null string, converted to LE below */
+ params = 14; /* includes 2 bytes of null string, converted to LE below */
+ byte_count = 0;
pSMB->TotalDataCount = 0; /* no EAs */
pSMB->MaxParameterCount = cpu_to_le16(8);
pSMB->MaxDataCount =
/* BB add check to make sure we do not cross end of smb */
if(name_len < CIFS_MAX_MSGSIZE) {
memcpy(pSMB->ResumeFileName, resume_file_name, name_len);
- pSMB->ByteCount += name_len;
+ byte_count += name_len;
}
- pSMB->TotalParameterCount += name_len;
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ params += name_len;
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
pSMB->ParameterCount = pSMB->TotalParameterCount;
/* BB improve error handling here */
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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);
(char *) &pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->ParameterOffset),
sizeof (T2_FNEXT_RSP_PARMS));
- findParms->EndofSearch = le16_to_cpu(findParms->EndofSearch);
- findParms->LastNameOffset =
- le16_to_cpu(findParms->LastNameOffset);
- findParms->SearchCount = le16_to_cpu(findParms->SearchCount);
response_data =
(char *) &pSMBr->hdr.Protocol +
le16_to_cpu(pSMBr->DataOffset);
int name_len;
unsigned int i;
char * temp;
+ __u16 params, byte_count;
*number_of_UNC_in_array = 0;
*targetUNCs = NULL;
if (ses == NULL)
return -ENODEV;
getDFSRetry:
- rc = smb_init(SMB_COM_TRANSACTION2, 15, 0, (void **) &pSMB,
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, NULL, (void **) &pSMB,
(void **) &pSMBr);
if (rc)
return rc;
strncpy(pSMB->RequestFileName, searchName, name_len);
}
- pSMB->ParameterCount = 2 /* level */ + name_len /*includes null */ ;
+ params = 2 /* level */ + name_len /*includes null */ ;
pSMB->TotalDataCount = 0;
pSMB->DataCount = 0;
pSMB->DataOffset = 0;
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_GET_DFS_REFERRAL);
- pSMB->ByteCount = pSMB->ParameterCount + 3 /* pad */ ;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ byte_count = params + 3 /* pad */ ;
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalParameterCount = pSMB->ParameterCount;
pSMB->MaxReferralLevel = cpu_to_le16(3);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
cFYI(1, ("Send error in GetDFSRefer = %d", rc));
} else { /* decode response */
/* BB Add logic to parse referrals here */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
- pSMBr->DataCount = le16_to_cpu(pSMBr->DataCount);
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 data_count = le16_to_cpu(pSMBr->DataCount);
cFYI(1,
("Decoding GetDFSRefer response. BCC: %d Offset %d",
- pSMBr->ByteCount, pSMBr->DataOffset));
- if ((pSMBr->ByteCount < 17) || (pSMBr->DataOffset > 512)) /* BB also check enough total bytes returned */
+ pSMBr->ByteCount, data_offset));
+ if ((pSMBr->ByteCount < 17) || (data_offset > 512)) /* BB also check enough total bytes returned */
rc = -EIO; /* bad smb */
else {
referrals =
(struct dfs_referral_level_3 *)
(8 /* sizeof start of data block */ +
- pSMBr->DataOffset +
+ data_offset +
(char *) &pSMBr->hdr.Protocol);
- cFYI(1,("num_referrals: %d dfs flags: 0x%x ... \nfor referral one refer size: 0x%x srv type: 0x%x refer flags: 0x%x ttl: 0x%x",pSMBr->NumberOfReferrals,pSMBr->DFSFlags, referrals->ReferralSize,referrals->ServerType,referrals->ReferralFlags,referrals->TimeToLive));
+ cFYI(1,("num_referrals: %d dfs flags: 0x%x ... \nfor referral one refer size: 0x%x srv type: 0x%x refer flags: 0x%x ttl: 0x%x",
+ le16_to_cpu(pSMBr->NumberOfReferrals),le16_to_cpu(pSMBr->DFSFlags), le16_to_cpu(referrals->ReferralSize),le16_to_cpu(referrals->ServerType),le16_to_cpu(referrals->ReferralFlags),le16_to_cpu(referrals->TimeToLive)));
/* BB This field is actually two bytes in from start of
data block so we could do safety check that DataBlock
begins at address of pSMBr->NumberOfReferrals */
name_len = 0;
for(i=0;i<*number_of_UNC_in_array;i++) {
/* make sure that DfsPathOffset not past end */
- referrals->DfsPathOffset = le16_to_cpu(referrals->DfsPathOffset);
- if(referrals->DfsPathOffset > pSMBr->DataCount) {
+ __u16 offset = le16_to_cpu(referrals->DfsPathOffset);
+ if (offset > data_count) {
/* if invalid referral, stop here and do
not try to copy any more */
*number_of_UNC_in_array = i;
break;
}
- temp = ((char *)referrals) + referrals->DfsPathOffset;
+ temp = ((char *)referrals) + offset;
if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
- name_len += UniStrnlen((wchar_t *)temp,pSMBr->DataCount);
+ name_len += UniStrnlen((wchar_t *)temp,data_count);
} else {
- name_len += strnlen(temp,pSMBr->DataCount);
+ name_len += strnlen(temp,data_count);
}
referrals++;
/* BB add check that referral pointer does not fall off end PDU */
/* BB add check for name_len bigger than bcc */
*targetUNCs =
kmalloc(name_len+1+ (*number_of_UNC_in_array),GFP_KERNEL);
+ if(*targetUNCs == NULL) {
+ rc = -ENOMEM;
+ goto GetDFSRefExit;
+ }
/* copy the ref strings */
referrals =
(struct dfs_referral_level_3 *)
(8 /* sizeof data hdr */ +
- pSMBr->DataOffset +
+ data_offset +
(char *) &pSMBr->hdr.Protocol);
for(i=0;i<*number_of_UNC_in_array;i++) {
- temp = ((char *)referrals) + referrals->DfsPathOffset;
+ 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);
}
}
+GetDFSRefExit:
if (pSMB)
cifs_buf_release(pSMB);
FILE_SYSTEM_INFO *response_data;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, byte_count;
cFYI(1, ("In QFSInfo"));
QFSInfoRetry:
if (rc)
return rc;
- pSMB->TotalParameterCount = 2; /* level */
+ 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->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ 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->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_SIZE_INFO);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QFSInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
cFYI(1,
("Decoding qfsinfo response. BCC: %d Offset %d",
- pSMBr->ByteCount, pSMBr->DataOffset));
- if ((pSMBr->ByteCount < 24) || (pSMBr->DataOffset > 512)) /* BB also check enough total bytes returned */
+ pSMBr->ByteCount, data_offset));
+ if ((pSMBr->ByteCount < 24) || (data_offset > 512)) /* BB also check enough total bytes returned */
rc = -EIO; /* bad smb */
else {
response_data =
(FILE_SYSTEM_INFO
*) (((char *) &pSMBr->hdr.Protocol) +
- pSMBr->DataOffset);
+ data_offset);
FSData->f_bsize =
le32_to_cpu(response_data->BytesPerSector) *
le32_to_cpu(response_data->
}
int
-CIFSSMBQFSAttributeInfo(int xid, struct cifsTconInfo *tcon,
+CIFSSMBQFSAttributeInfo(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage)
{
/* level 0x105 SMB_QUERY_FILE_SYSTEM_INFO */
FILE_SYSTEM_ATTRIBUTE_INFO *response_data;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, byte_count;
cFYI(1, ("In QFSAttributeInfo"));
QFSAttributeRetry:
if (rc)
return rc;
- pSMB->TotalParameterCount = 2; /* level */
+ 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->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ 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->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_ATTRIBUTE_INFO);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QFSAttributeInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
- if ((pSMBr->ByteCount < 13) || (pSMBr->DataOffset > 512)) { /* BB also check enough bytes returned */
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ if ((pSMBr->ByteCount < 13) || (data_offset > 512)) { /* BB also check enough bytes returned */
rc = -EIO; /* bad smb */
} else {
response_data =
(FILE_SYSTEM_ATTRIBUTE_INFO
*) (((char *) &pSMBr->hdr.Protocol) +
- pSMBr->DataOffset);
+ data_offset);
memcpy(&tcon->fsAttrInfo, response_data,
sizeof (FILE_SYSTEM_ATTRIBUTE_INFO));
}
}
int
-CIFSSMBQFSDeviceInfo(int xid, struct cifsTconInfo *tcon,
+CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage)
{
/* level 0x104 SMB_QUERY_FILE_SYSTEM_INFO */
FILE_SYSTEM_DEVICE_INFO *response_data;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, byte_count;
cFYI(1, ("In QFSDeviceInfo"));
QFSDeviceRetry:
if (rc)
return rc;
- pSMB->TotalParameterCount = 2; /* level */
+ 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->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
- pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ 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->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_DEVICE_INFO);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QFSDeviceInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = le16_to_cpu(pSMBr->DataOffset);
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
if ((pSMBr->ByteCount < sizeof (FILE_SYSTEM_DEVICE_INFO))
- || (pSMBr->DataOffset > 512))
+ || (data_offset > 512))
rc = -EIO; /* bad smb */
else {
response_data =
(FILE_SYSTEM_DEVICE_INFO
*) (((char *) &pSMBr->hdr.Protocol) +
- pSMBr->DataOffset);
+ data_offset);
memcpy(&tcon->fsDevInfo, response_data,
sizeof (FILE_SYSTEM_DEVICE_INFO));
}
if (rc == -EAGAIN)
goto QFSDeviceRetry;
-
return rc;
}
int
-CIFSSMBQFSUnixInfo(int xid, struct cifsTconInfo *tcon,
+CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage)
{
/* level 0x200 SMB_QUERY_CIFS_UNIX_INFO */
FILE_SYSTEM_UNIX_INFO *response_data;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, byte_count;
cFYI(1, ("In QFSUnixInfo"));
QFSUnixRetry:
if (rc)
return rc;
- pSMB->ParameterCount = 2; /* level */
+ params = 2; /* level */
pSMB->TotalDataCount = 0;
pSMB->DataCount = 0;
pSMB->DataOffset = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ByteCount = pSMB->ParameterCount + 1 /* pad */ ;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalParameterCount = pSMB->ParameterCount;
pSMB->ParameterOffset = cpu_to_le16(offsetof(struct
smb_com_transaction2_qfsi_req, InformationLevel) - 4);
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_CIFS_UNIX_INFO);
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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 QFSUnixInfo = %d", rc));
} else { /* decode response */
- pSMBr->DataOffset = cpu_to_le16(pSMBr->DataOffset);
- if ((pSMBr->ByteCount < 13) || (pSMBr->DataOffset > 512)) {
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ if ((pSMBr->ByteCount < 13) || (data_offset > 512)) {
rc = -EIO; /* bad smb */
} else {
response_data =
(FILE_SYSTEM_UNIX_INFO
*) (((char *) &pSMBr->hdr.Protocol) +
- pSMBr->DataOffset);
+ data_offset);
memcpy(&tcon->fsUnixInfo, response_data,
sizeof (FILE_SYSTEM_UNIX_INFO));
}
in Samba which this routine can run into */
int
-CIFSSMBSetEOF(int xid, struct cifsTconInfo *tcon, char *fileName,
+CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, const char *fileName,
__u64 size, int SetAllocation, const struct nls_table *nls_codepage)
{
struct smb_com_transaction2_spi_req *pSMB = NULL;
int name_len;
int rc = 0;
int bytes_returned = 0;
+ __u16 params, byte_count, data_count, param_offset, offset;
cFYI(1, ("In SetEOF"));
SetEOFRetry:
name_len++; /* trailing null */
strncpy(pSMB->FileName, fileName, name_len);
}
- pSMB->ParameterCount = 6 + name_len;
- pSMB->DataCount = sizeof (struct file_end_of_file_info);
+ 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->MaxSetupCount = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
InformationLevel) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ offset = param_offset + params;
if(SetAllocation) {
if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
pSMB->InformationLevel =
parm_data =
(struct file_end_of_file_info *) (((char *) &pSMB->hdr.Protocol) +
- pSMB->DataOffset);
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ offset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
+ byte_count = 3 /* pad */ + params + data_count;
+ pSMB->DataCount = cpu_to_le16(data_count);
pSMB->TotalDataCount = pSMB->DataCount;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalParameterCount = pSMB->ParameterCount;
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->hdr.smb_buf_length += byte_count;
parm_data->FileSize = cpu_to_le64(size);
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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) {
struct file_end_of_file_info *parm_data;
int rc = 0;
int bytes_returned = 0;
- __u32 tmp;
+ __u16 params, param_offset, offset, byte_count, count;
cFYI(1, ("SetFileSize (via SetFileInfo) %lld",
(long long)size));
if (rc)
return rc;
- tmp = cpu_to_le32(pid_of_opener); /* override pid of current process
- so network fid will be valid */
- pSMB->hdr.Pid = tmp & 0xFFFF;
- tmp >>= 16;
- pSMB->hdr.PidHigh = tmp & 0xFFFF;
+ pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
+ pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));
- pSMB->ParameterCount = 6;
+ params = 6;
pSMB->MaxSetupCount = 0;
pSMB->Reserved = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_sfi_req,
- Fid) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
+ offset = param_offset + params;
- data_offset = (char *) (&pSMB->hdr.Protocol) + pSMB->DataOffset;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
- pSMB->DataCount = sizeof(struct file_end_of_file_info);
+ count = sizeof(struct file_end_of_file_info);
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;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ 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(pSMB->ParameterOffset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
parm_data =
(struct file_end_of_file_info *) (((char *) &pSMB->hdr.Protocol) +
- pSMB->DataOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset); /* now safe to change to le */
- parm_data->FileSize = size;
+ offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+ parm_data->FileSize = cpu_to_le64(size);
pSMB->Fid = fid;
if(SetAllocation) {
if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO);
}
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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) {
}
int
-CIFSSMBSetTimes(int xid, struct cifsTconInfo *tcon, char *fileName,
- FILE_BASIC_INFO * data, const struct nls_table *nls_codepage)
+CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon, const char *fileName,
+ const FILE_BASIC_INFO * data,
+ const struct nls_table *nls_codepage)
{
TRANSACTION2_SPI_REQ *pSMB = NULL;
TRANSACTION2_SPI_RSP *pSMBr = NULL;
int rc = 0;
int bytes_returned = 0;
char *data_offset;
+ __u16 params, param_offset, offset, byte_count, count;
cFYI(1, ("In SetTimes"));
strncpy(pSMB->FileName, fileName, name_len);
}
- pSMB->ParameterCount = 6 + name_len;
- pSMB->DataCount = sizeof (FILE_BASIC_INFO);
+ params = 6 + name_len;
+ count = sizeof (FILE_BASIC_INFO);
pSMB->MaxParameterCount = cpu_to_le16(2);
pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find exact max SMB PDU from sess structure BB */
pSMB->MaxSetupCount = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
InformationLevel) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
- data_offset = (char *) (&pSMB->hdr.Protocol) + pSMB->DataOffset;
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ offset = param_offset + params;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
+ byte_count = 3 /* pad */ + params + count;
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
+ pSMB->DataCount = cpu_to_le16(count);
+ pSMB->ParameterCount = cpu_to_le16(params);
pSMB->TotalDataCount = pSMB->DataCount;
pSMB->TotalParameterCount = pSMB->ParameterCount;
if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
else
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->hdr.smb_buf_length += byte_count;
memcpy(data_offset, data, sizeof (FILE_BASIC_INFO));
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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) {
return rc;
}
+int
+CIFSSMBSetTimesLegacy(int xid, struct cifsTconInfo *tcon, char *fileName,
+ FILE_INFO_STANDARD * data, const struct nls_table *nls_codepage)
+{
+ TRANSACTION2_SPI_REQ *pSMB = NULL;
+ TRANSACTION2_SPI_RSP *pSMBr = NULL;
+ int name_len;
+ int rc = 0;
+ int bytes_returned = 0;
+ char *data_offset;
+ __u16 params, param_offset, count, offset, byte_count;
+
+ cFYI(1, ("In SetTimesLegacy"));
+
+SetTimesRetryLegacy:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len =
+ cifs_strtoUCS((wchar_t *) pSMB->FileName, fileName, 530
+ /* find define for this maxpathcomponent */
+ , nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(fileName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->FileName, fileName, name_len);
+ }
+/* BB fixme - we have to map to FILE_STANDARD_INFO (level 1 info
+ in parent function, from the better and ususal FILE_BASIC_INFO */
+ params = 6 + name_len;
+ count = sizeof (FILE_INFO_STANDARD);
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find exact max SMB PDU from sess structure BB */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
+ InformationLevel) - 4;
+ offset = param_offset + params;
+ data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_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;
+ /* I doubt that passthrough levels apply to this old
+ preNT info level */
+/* if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
+ pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO2);
+ else*/
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_STANDARD);
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += byte_count;
+ memcpy(data_offset, data, sizeof (FILE_INFO_STANDARD));
+ 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, ("SetPathInfo (times legacy) returned %d", rc));
+ }
+
+ if (pSMB)
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto SetTimesRetryLegacy;
+
+ return rc;
+}
+
int
CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *tcon,
char *fileName, __u64 mode, __u64 uid, __u64 gid,
int rc = 0;
int bytes_returned = 0;
FILE_UNIX_BASIC_INFO *data_offset;
+ __u16 params, param_offset, offset, count, byte_count;
cFYI(1, ("In SetUID/GID/Mode"));
setPermsRetry:
strncpy(pSMB->FileName, fileName, name_len);
}
- pSMB->ParameterCount = 6 + name_len;
- pSMB->DataCount = sizeof (FILE_UNIX_BASIC_INFO);
+ params = 6 + name_len;
+ count = sizeof (FILE_UNIX_BASIC_INFO);
pSMB->MaxParameterCount = cpu_to_le16(2);
pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find exact max SMB PDU from sess structure BB */
pSMB->MaxSetupCount = 0;
pSMB->Flags = 0;
pSMB->Timeout = 0;
pSMB->Reserved2 = 0;
- pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
InformationLevel) - 4;
- pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ offset = param_offset + params;
data_offset =
(FILE_UNIX_BASIC_INFO *) ((char *) &pSMB->hdr.Protocol +
- pSMB->DataOffset);
- pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
- pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
+ offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
pSMB->SetupCount = 1;
pSMB->Reserved3 = 0;
pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
- pSMB->ByteCount = 3 /* pad */ + pSMB->ParameterCount + pSMB->DataCount;
- pSMB->ParameterCount = cpu_to_le16(pSMB->ParameterCount);
- pSMB->DataCount = cpu_to_le16(pSMB->DataCount);
+ byte_count = 3 /* pad */ + params + count;
+ pSMB->ParameterCount = cpu_to_le16(params);
+ pSMB->DataCount = cpu_to_le16(count);
pSMB->TotalParameterCount = pSMB->ParameterCount;
pSMB->TotalDataCount = pSMB->DataCount;
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
pSMB->Reserved4 = 0;
- pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->hdr.smb_buf_length += byte_count;
data_offset->Uid = cpu_to_le64(uid);
data_offset->Gid = cpu_to_le64(gid);
/* better to leave device as zero when it is */
data_offset->DevMajor = cpu_to_le64(MAJOR(device));
data_offset->DevMinor = cpu_to_le64(MINOR(device));
data_offset->Permissions = cpu_to_le64(mode);
- pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+
+ if(S_ISREG(mode))
+ data_offset->Type = cpu_to_le32(UNIX_FILE);
+ else if(S_ISDIR(mode))
+ data_offset->Type = cpu_to_le32(UNIX_DIR);
+ else if(S_ISLNK(mode))
+ data_offset->Type = cpu_to_le32(UNIX_SYMLINK);
+ else if(S_ISCHR(mode))
+ data_offset->Type = cpu_to_le32(UNIX_CHARDEV);
+ else if(S_ISBLK(mode))
+ data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV);
+ else if(S_ISFIFO(mode))
+ data_offset->Type = cpu_to_le32(UNIX_FIFO);
+ else if(S_ISSOCK(mode))
+ data_offset->Type = cpu_to_le32(UNIX_SOCKET);
+
+
+ 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) {
goto setPermsRetry;
return rc;
}
+
+int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
+ const int notify_subdirs, const __u16 netfid,
+ __u32 filter, 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;
+ int bytes_returned;
+
+ cFYI(1, ("In CIFSSMBNotify for file handle %d",(int)netfid));
+ rc = smb_init(SMB_COM_NT_TRANSACT, 23, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ pSMB->TotalParameterCount = 0 ;
+ pSMB->TotalDataCount = 0;
+ 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 */
+ pSMB->MaxSetupCount = 4;
+ pSMB->Reserved = 0;
+ pSMB->ParameterOffset = 0;
+ pSMB->DataCount = 0;
+ pSMB->DataOffset = 0;
+ pSMB->SetupCount = 4; /* single byte does not need le conversion */
+ pSMB->SubCommand = cpu_to_le16(NT_TRANSACT_NOTIFY_CHANGE);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ if(notify_subdirs)
+ pSMB->WatchTree = 1; /* one byte - no le conversion needed */
+ pSMB->Reserved2 = 0;
+ pSMB->CompletionFilter = cpu_to_le32(filter);
+ pSMB->Fid = netfid; /* file handle always le */
+ pSMB->ByteCount = 0;
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Error in Notify = %d", rc));
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+/* if (rc == -EAGAIN)
+ goto NotifyRetry; */
+ return rc;
+}
+#ifdef CONFIG_CIFS_XATTR
+ssize_t
+CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
+ const unsigned char *searchName,
+ char * EAData, size_t buf_size,
+ const struct nls_table *nls_codepage)
+{
+ /* BB assumes one setup word */
+ TRANSACTION2_QPI_REQ *pSMB = NULL;
+ TRANSACTION2_QPI_RSP *pSMBr = NULL;
+ int rc = 0;
+ int bytes_returned;
+ int name_len;
+ struct fea * temp_fea;
+ char * temp_ptr;
+ __u16 params, byte_count;
+
+ cFYI(1, ("In Query All EAs path %s", searchName));
+QAllEAsRetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len =
+ cifs_strtoUCS((wchar_t *) pSMB->FileName, searchName, 530
+ /* find define for this maxpathcomponent */
+ , nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(searchName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->FileName, searchName, name_len);
+ }
+
+ params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
+ pSMB->TotalDataCount = 0;
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(4000); /* BB find exact max SMB PDU from sess structure BB */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ pSMB->ParameterOffset = cpu_to_le16(offsetof(
+ struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
+ pSMB->DataCount = 0;
+ pSMB->DataOffset = 0;
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
+ 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 QueryAllEAs = %d", rc));
+ } else { /* decode response */
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ /* BB also check enough total bytes returned */
+ /* BB we need to improve the validity checking
+ of these trans2 responses */
+ if ((pSMBr->ByteCount < 4) || (data_offset > 512))
+ rc = -EIO; /* bad smb */
+ /* else if (pFindData){
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ data_offset, kl);
+ }*/ else {
+ /* check that length of list is not more than bcc */
+ /* check that each entry does not go beyond length
+ of list */
+ /* check that each element of each entry does not
+ go beyond end of list */
+ struct fealist * ea_response_data;
+ rc = 0;
+ /* validate_trans2_offsets() */
+ /* BB to check if(start of smb + data_offset > &bcc+ bcc)*/
+ ea_response_data = (struct fealist *)
+ (((char *) &pSMBr->hdr.Protocol) +
+ data_offset);
+ name_len = le32_to_cpu(ea_response_data->list_len);
+ cFYI(1,("ea length %d", name_len));
+ if(name_len <= 8) {
+ /* returned EA size zeroed at top of function */
+ cFYI(1,("empty EA list returned from server"));
+ } else {
+ /* account for ea list len */
+ name_len -= 4;
+ temp_fea = ea_response_data->list;
+ temp_ptr = (char *)temp_fea;
+ while(name_len > 0) {
+ __u16 value_len;
+ name_len -= 4;
+ temp_ptr += 4;
+ rc += temp_fea->name_len;
+ /* account for prefix user. and trailing null */
+ rc = rc + 5 + 1;
+ if(rc<(int)buf_size) {
+ memcpy(EAData,"user.",5);
+ EAData+=5;
+ memcpy(EAData,temp_ptr,temp_fea->name_len);
+ EAData+=temp_fea->name_len;
+ /* null terminate name */
+ *EAData = 0;
+ EAData = EAData + 1;
+ } else if(buf_size == 0) {
+ /* skip copy - calc size only */
+ } else {
+ /* stop before overrun buffer */
+ rc = -ERANGE;
+ break;
+ }
+ name_len -= temp_fea->name_len;
+ temp_ptr += temp_fea->name_len;
+ /* account for trailing null */
+ name_len--;
+ temp_ptr++;
+ value_len = le16_to_cpu(temp_fea->value_len);
+ name_len -= value_len;
+ temp_ptr += value_len;
+ /* BB check that temp_ptr is still within smb BB*/
+ /* no trailing null to account for in value len */
+ /* go on to next EA */
+ temp_fea = (struct fea *)temp_ptr;
+ }
+ }
+ }
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+ if (rc == -EAGAIN)
+ goto QAllEAsRetry;
+
+ return (ssize_t)rc;
+}
+
+ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
+ const unsigned char * searchName,const unsigned char * ea_name,
+ unsigned char * ea_value, size_t buf_size,
+ const struct nls_table *nls_codepage)
+{
+ TRANSACTION2_QPI_REQ *pSMB = NULL;
+ TRANSACTION2_QPI_RSP *pSMBr = NULL;
+ int rc = 0;
+ int bytes_returned;
+ int name_len;
+ struct fea * temp_fea;
+ char * temp_ptr;
+ __u16 params, byte_count;
+
+ cFYI(1, ("In Query EA path %s", searchName));
+QEARetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len =
+ cifs_strtoUCS((wchar_t *) pSMB->FileName, searchName, 530
+ /* find define for this maxpathcomponent */
+ , nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(searchName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->FileName, searchName, name_len);
+ }
+
+ params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
+ pSMB->TotalDataCount = 0;
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(4000); /* BB find exact max SMB PDU from sess structure BB */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ pSMB->ParameterOffset = cpu_to_le16(offsetof(
+ struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
+ pSMB->DataCount = 0;
+ pSMB->DataOffset = 0;
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(params);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
+ 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 Query EA = %d", rc));
+ } else { /* decode response */
+ __u16 data_offset = le16_to_cpu(pSMBr->DataOffset);
+ /* BB also check enough total bytes returned */
+ /* BB we need to improve the validity checking
+ of these trans2 responses */
+ if ((pSMBr->ByteCount < 4) || (data_offset > 512))
+ rc = -EIO; /* bad smb */
+ /* else if (pFindData){
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ data_offset, kl);
+ }*/ else {
+ /* check that length of list is not more than bcc */
+ /* check that each entry does not go beyond length
+ of list */
+ /* check that each element of each entry does not
+ go beyond end of list */
+ struct fealist * ea_response_data;
+ rc = -ENOENT;
+ /* validate_trans2_offsets() */
+ /* BB to check if(start of smb + data_offset > &bcc+ bcc)*/
+ ea_response_data = (struct fealist *)
+ (((char *) &pSMBr->hdr.Protocol) +
+ data_offset);
+ name_len = le32_to_cpu(ea_response_data->list_len);
+ cFYI(1,("ea length %d", name_len));
+ if(name_len <= 8) {
+ /* returned EA size zeroed at top of function */
+ cFYI(1,("empty EA list returned from server"));
+ } else {
+ /* account for ea list len */
+ name_len -= 4;
+ temp_fea = ea_response_data->list;
+ temp_ptr = (char *)temp_fea;
+ /* loop through checking if we have a matching
+ name and then return the associated value */
+ while(name_len > 0) {
+ __u16 value_len;
+ name_len -= 4;
+ temp_ptr += 4;
+ value_len = le16_to_cpu(temp_fea->value_len);
+ /* BB validate that value_len falls within SMB,
+ even though maximum for name_len is 255 */
+ if(memcmp(temp_fea->name,ea_name,
+ temp_fea->name_len) == 0) {
+ /* found a match */
+ rc = value_len;
+ /* account for prefix user. and trailing null */
+ if(rc<=(int)buf_size) {
+ memcpy(ea_value,
+ temp_fea->name+temp_fea->name_len+1,
+ rc);
+ /* ea values, unlike ea names,
+ are not null terminated */
+ } else if(buf_size == 0) {
+ /* skip copy - calc size only */
+ } else {
+ /* stop before overrun buffer */
+ rc = -ERANGE;
+ }
+ break;
+ }
+ name_len -= temp_fea->name_len;
+ temp_ptr += temp_fea->name_len;
+ /* account for trailing null */
+ name_len--;
+ temp_ptr++;
+ name_len -= value_len;
+ temp_ptr += value_len;
+ /* no trailing null to account for in value len */
+ /* go on to next EA */
+ temp_fea = (struct fea *)temp_ptr;
+ }
+ }
+ }
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+ if (rc == -EAGAIN)
+ goto QEARetry;
+
+ return (ssize_t)rc;
+}
+
+int
+CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, const char *fileName,
+ const char * ea_name, const void * ea_value,
+ const __u16 ea_value_len, const struct nls_table *nls_codepage)
+{
+ struct smb_com_transaction2_spi_req *pSMB = NULL;
+ struct smb_com_transaction2_spi_rsp *pSMBr = NULL;
+ struct fealist *parm_data;
+ int name_len;
+ int rc = 0;
+ int bytes_returned = 0;
+ __u16 params, param_offset, byte_count, offset, count;
+
+ cFYI(1, ("In SetEA"));
+SetEARetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len =
+ cifs_strtoUCS((wchar_t *) pSMB->FileName, fileName, 530
+ /* find define for this maxpathcomponent */
+ , nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(fileName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->FileName, fileName, name_len);
+ }
+
+ params = 6 + name_len;
+
+ /* done calculating parms using name_len of file name,
+ now use name_len to calculate length of ea name
+ we are going to create in the inode xattrs */
+ if(ea_name == NULL)
+ name_len = 0;
+ else
+ name_len = strnlen(ea_name,255);
+
+ count = sizeof(*parm_data) + ea_value_len + name_len + 1;
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB size from sess */
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ param_offset = offsetof(struct smb_com_transaction2_spi_req,
+ InformationLevel) - 4;
+ offset = param_offset + params;
+ pSMB->InformationLevel =
+ cpu_to_le16(SMB_SET_FILE_EA);
+
+ parm_data =
+ (struct fealist *) (((char *) &pSMB->hdr.Protocol) +
+ offset);
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
+ byte_count = 3 /* pad */ + params + count;
+ pSMB->DataCount = cpu_to_le16(count);
+ 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;;
+ /* EA names are always ASCII */
+ strncpy(parm_data->list[0].name,ea_name,name_len);
+ parm_data->list[0].name[name_len] = 0;
+ parm_data->list[0].value_len = cpu_to_le16(ea_value_len);
+ /* caller ensures that ea_value_len is less than 64K but
+ we need to ensure that it fits within the smb */
+
+ /*BB add length check that it would fit in negotiated SMB buffer size BB */
+ /* if(ea_value_len > buffer_size - 512 (enough for header)) */
+ if(ea_value_len)
+ memcpy(parm_data->list[0].name+name_len+1,ea_value,ea_value_len);
+
+ pSMB->TotalDataCount = pSMB->DataCount;
+ pSMB->ParameterCount = cpu_to_le16(params);
+ pSMB->TotalParameterCount = pSMB->ParameterCount;
+ 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, ("SetPathInfo (EA) returned %d", rc));
+ }
+
+ if (pSMB)
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto SetEARetry;
+
+ return rc;
+}
+
+#endif
git://git.onelab.eu / linux-2.6.git / blobdiff