#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;
}
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;
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))
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);
(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)
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)
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)
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);
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);
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);
+ if(numLock != 0) {
+ pSMB->Locks[0].Pid = cpu_to_le16(current->tgid);
+ /* BB where to store pid high? */
+ temp = cpu_to_le64(len);
+ pSMB->Locks[0].LengthLow = (__u32)(temp & 0xFFFFFFFF);
+ pSMB->Locks[0].LengthHigh = (__u32)(temp>>32);
+ temp = cpu_to_le64(offset);
+ pSMB->Locks[0].OffsetLow = (__u32)(temp & 0xFFFFFFFF);
+ pSMB->Locks[0].OffsetHigh = (__u32)(temp>>32);
+ pSMB->ByteCount = sizeof (LOCKING_ANDX_RANGE);
+ } else {
+ /* oplock break */
+ pSMB->ByteCount = 0;
+ }
pSMB->hdr.smb_buf_length += pSMB->ByteCount;
pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
(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);
}
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);
(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);
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;
+
+ 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;
+
+ if(flags & COPY_TREE)
+ pSMB->Flags |= COPY_TREE;
+ pSMB->Flags = cpu_to_le16(pSMB->Flags);
+
+ 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 */
+ }
+
+ pSMB->ByteCount = 1 /* 1st signature byte */ + name_len + name_len2;
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+
+ 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, pSMBr->CopyCount));
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto copyRetry;
+
+ return rc;
+}
int
CIFSUnixCreateSymLink(const int xid, struct cifsTconInfo *tcon,
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;
} else { /* decode response */
pSMBr->DataOffset = 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 < 40) || (pSMBr->DataOffset > 512))
rc = -EIO; /* bad smb */
else if (pFindData){
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;
}
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
*) (((char *) &pSMBr->hdr.Protocol) +
pSMBr->DataOffset);
+ response_data->Attributes = le32_to_cpu(response_data->Attributes);
+ response_data->MaxPathNameComponentLength =
+ le32_to_cpu(response_data->MaxPathNameComponentLength);
+ response_data->FileSystemNameLen =
+ le32_to_cpu(response_data->FileSystemNameLen);
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
*) (((char *) &pSMBr->hdr.Protocol) +
pSMBr->DataOffset);
+ response_data->DeviceType =
+ le32_to_cpu(response_data->DeviceType);
+ response_data->DeviceCharacteristics =
+ le32_to_cpu(response_data->DeviceCharacteristics);
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
*) (((char *) &pSMBr->hdr.Protocol) +
pSMBr->DataOffset);
+ response_data->MajorVersionNumber =
+ le16_to_cpu(response_data->MajorVersionNumber);
+ response_data->MinorVersionNumber =
+ le16_to_cpu(response_data->MinorVersionNumber);
+ response_data->Capability =
+ le64_to_cpu(response_data->Capability);
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;
(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;
+ parm_data->FileSize = cpu_to_le64(size);
pSMB->Fid = fid;
if(SetAllocation) {
if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
}
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;
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;
+
+ 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 */
+ pSMB->ParameterCount = 6 + name_len;
+ pSMB->DataCount = 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;
+ pSMB->ParameterOffset = 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);
+ 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);
+ 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 += pSMB->ByteCount;
+ memcpy(data_offset, data, sizeof (FILE_INFO_STANDARD));
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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,
data_offset->DevMajor = cpu_to_le64(MAJOR(device));
data_offset->DevMinor = cpu_to_le64(MINOR(device));
data_offset->Permissions = cpu_to_le64(mode);
+
+ 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(pSMB->ByteCount);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
(struct smb_hdr *) pSMBr, &bytes_returned, 0);
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;
+
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ 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;
+
+ 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);
+ }
+
+ pSMB->TotalParameterCount = 2 /* level */ + 4 /* reserved */ +
+ name_len /* includes null */ ;
+ 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);
+ pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+
+ 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 */
+ pSMBr->DataOffset = 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) || (pSMBr->DataOffset > 512))
+ rc = -EIO; /* bad smb */
+ /* else if (pFindData){
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ pSMBr->DataOffset, 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 + pSMBr->DataOffset > &bcc+ bcc)*/
+ ea_response_data = (struct fealist *)
+ (((char *) &pSMBr->hdr.Protocol) +
+ pSMBr->DataOffset);
+ ea_response_data->list_len =
+ cpu_to_le32(ea_response_data->list_len);
+ cFYI(1,("ea length %d",ea_response_data->list_len));
+ name_len = ea_response_data->list_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) {
+ name_len -= 4;
+ temp_ptr += 4;
+ rc += temp_fea->name_len;
+ /* account for prefix user. and trailing null */
+ rc = rc + 5 + 1;
+ if(rc<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++;
+ temp_fea->value_len = cpu_to_le16(temp_fea->value_len);
+ name_len -= temp_fea->value_len;
+ temp_ptr += temp_fea->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 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;
+
+ 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);
+ }
+
+ pSMB->TotalParameterCount = 2 /* level */ + 4 /* reserved */ +
+ name_len /* includes null */ ;
+ 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);
+ pSMB->ByteCount = pSMB->TotalParameterCount + 1 /* pad */ ;
+ pSMB->TotalParameterCount = cpu_to_le16(pSMB->TotalParameterCount);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+
+ 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 */
+ pSMBr->DataOffset = 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) || (pSMBr->DataOffset > 512))
+ rc = -EIO; /* bad smb */
+ /* else if (pFindData){
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ pSMBr->DataOffset, 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 + pSMBr->DataOffset > &bcc+ bcc)*/
+ ea_response_data = (struct fealist *)
+ (((char *) &pSMBr->hdr.Protocol) +
+ pSMBr->DataOffset);
+ ea_response_data->list_len =
+ cpu_to_le32(ea_response_data->list_len);
+ cFYI(1,("ea length %d",ea_response_data->list_len));
+ name_len = ea_response_data->list_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) {
+ name_len -= 4;
+ temp_ptr += 4;
+ temp_fea->value_len = cpu_to_le16(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 = temp_fea->value_len;
+ /* account for prefix user. and trailing null */
+ if(rc<=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 -= temp_fea->value_len;
+ temp_ptr += temp_fea->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 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;
+
+ 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);
+ }
+
+ pSMB->ParameterCount = 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);
+
+ pSMB->DataCount = 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;
+ pSMB->ParameterOffset = offsetof(struct smb_com_transaction2_spi_req,
+ InformationLevel) - 4;
+ pSMB->DataOffset = pSMB->ParameterOffset + pSMB->ParameterCount;
+ pSMB->InformationLevel =
+ cpu_to_le16(SMB_SET_FILE_EA);
+
+ parm_data =
+ (struct fealist *) (((char *) &pSMB->hdr.Protocol) +
+ pSMB->DataOffset);
+ pSMB->ParameterOffset = cpu_to_le16(pSMB->ParameterOffset);
+ pSMB->DataOffset = cpu_to_le16(pSMB->DataOffset);
+ 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);
+ parm_data->list_len = (__u32)(pSMB->DataCount);
+ 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(pSMB->ParameterCount);
+ pSMB->TotalParameterCount = pSMB->ParameterCount;
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+ 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