list_for_each_safe(tmp, tmp1, &pTcon->openFileList) {
open_file = list_entry(tmp, struct cifsFileInfo, tlist);
open_file->invalidHandle = true;
+ open_file->oplock_break_cancelled = true;
}
write_unlock(&GlobalSMBSeslock);
/* BB Add call to invalidate_inodes(sb) for all superblocks mounted
to this tcon */
}
-/* Allocate and return pointer to an SMB request buffer, and set basic
- SMB information in the SMB header. If the return code is zero, this
- function must have filled in request_buf pointer */
+/* reconnect the socket, tcon, and smb session if needed */
static int
-small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
- void **request_buf)
+cifs_reconnect_tcon(struct cifsTconInfo *tcon, int smb_command)
{
int rc = 0;
+ struct cifsSesInfo *ses;
+ struct TCP_Server_Info *server;
+ struct nls_table *nls_codepage;
- /* SMBs NegProt, SessSetup, uLogoff do not have tcon yet so
- check for tcp and smb session status done differently
- for those three - in the calling routine */
- if (tcon) {
- if (tcon->tidStatus == CifsExiting) {
- /* only tree disconnect, open, and write,
- (and ulogoff which does not have tcon)
- are allowed as we start force umount */
- if ((smb_command != SMB_COM_WRITE_ANDX) &&
- (smb_command != SMB_COM_OPEN_ANDX) &&
- (smb_command != SMB_COM_TREE_DISCONNECT)) {
- cFYI(1, ("can not send cmd %d while umounting",
- smb_command));
- return -ENODEV;
- }
+ /*
+ * SMBs NegProt, SessSetup, uLogoff do not have tcon yet so check for
+ * tcp and smb session status done differently for those three - in the
+ * calling routine
+ */
+ if (!tcon)
+ return 0;
+
+ ses = tcon->ses;
+ server = ses->server;
+
+ /*
+ * only tree disconnect, open, and write, (and ulogoff which does not
+ * have tcon) are allowed as we start force umount
+ */
+ if (tcon->tidStatus == CifsExiting) {
+ if (smb_command != SMB_COM_WRITE_ANDX &&
+ smb_command != SMB_COM_OPEN_ANDX &&
+ smb_command != SMB_COM_TREE_DISCONNECT) {
+ cFYI(1, ("can not send cmd %d while umounting",
+ smb_command));
+ return -ENODEV;
}
- if ((tcon->ses) && (tcon->ses->status != CifsExiting) &&
- (tcon->ses->server)) {
- struct nls_table *nls_codepage;
- /* Give Demultiplex thread up to 10 seconds to
- reconnect, should be greater than cifs socket
- timeout which is 7 seconds */
- while (tcon->ses->server->tcpStatus ==
- CifsNeedReconnect) {
- wait_event_interruptible_timeout(tcon->ses->server->response_q,
- (tcon->ses->server->tcpStatus ==
- CifsGood), 10 * HZ);
- if (tcon->ses->server->tcpStatus ==
- CifsNeedReconnect) {
- /* on "soft" mounts we wait once */
- if (!tcon->retry ||
- (tcon->ses->status == CifsExiting)) {
- cFYI(1, ("gave up waiting on "
- "reconnect in smb_init"));
- return -EHOSTDOWN;
- } /* else "hard" mount - keep retrying
- until process is killed or server
- comes back on-line */
- } else /* TCP session is reestablished now */
- break;
- }
+ }
- nls_codepage = load_nls_default();
- /* need to prevent multiple threads trying to
- simultaneously reconnect the same SMB session */
- down(&tcon->ses->sesSem);
- if (tcon->ses->need_reconnect)
- rc = cifs_setup_session(0, tcon->ses,
- nls_codepage);
- if (!rc && (tcon->need_reconnect)) {
- mark_open_files_invalid(tcon);
- rc = CIFSTCon(0, tcon->ses, tcon->treeName,
- tcon, nls_codepage);
- up(&tcon->ses->sesSem);
- /* BB FIXME add code to check if wsize needs
- update due to negotiated smb buffer size
- shrinking */
- if (rc == 0) {
- atomic_inc(&tconInfoReconnectCount);
- /* tell server Unix caps we support */
- if (tcon->ses->capabilities & CAP_UNIX)
- reset_cifs_unix_caps(
- 0 /* no xid */,
- tcon,
- NULL /* we do not know sb */,
- NULL /* no vol info */);
- }
+ if (ses->status == CifsExiting)
+ return -EIO;
- cFYI(1, ("reconnect tcon rc = %d", rc));
- /* Removed call to reopen open files here.
- It is safer (and faster) to reopen files
- one at a time as needed in read and write */
-
- /* Check if handle based operation so we
- know whether we can continue or not without
- returning to caller to reset file handle */
- switch (smb_command) {
- case SMB_COM_READ_ANDX:
- case SMB_COM_WRITE_ANDX:
- case SMB_COM_CLOSE:
- case SMB_COM_FIND_CLOSE2:
- case SMB_COM_LOCKING_ANDX: {
- unload_nls(nls_codepage);
- return -EAGAIN;
- }
- }
- } else {
- up(&tcon->ses->sesSem);
- }
- unload_nls(nls_codepage);
+ /*
+ * Give demultiplex thread up to 10 seconds to reconnect, should be
+ * greater than cifs socket timeout which is 7 seconds
+ */
+ while (server->tcpStatus == CifsNeedReconnect) {
+ wait_event_interruptible_timeout(server->response_q,
+ (server->tcpStatus == CifsGood), 10 * HZ);
- } else {
- return -EIO;
+ /* is TCP session is reestablished now ?*/
+ if (server->tcpStatus != CifsNeedReconnect)
+ break;
+
+ /*
+ * on "soft" mounts we wait once. Hard mounts keep
+ * retrying until process is killed or server comes
+ * back on-line
+ */
+ if (!tcon->retry || ses->status == CifsExiting) {
+ cFYI(1, ("gave up waiting on reconnect in smb_init"));
+ return -EHOSTDOWN;
}
}
+
+ if (!ses->need_reconnect && !tcon->need_reconnect)
+ return 0;
+
+ nls_codepage = load_nls_default();
+
+ /*
+ * need to prevent multiple threads trying to simultaneously
+ * reconnect the same SMB session
+ */
+ down(&ses->sesSem);
+ if (ses->need_reconnect)
+ rc = cifs_setup_session(0, ses, nls_codepage);
+
+ /* do we need to reconnect tcon? */
+ if (rc || !tcon->need_reconnect) {
+ up(&ses->sesSem);
+ goto out;
+ }
+
+ mark_open_files_invalid(tcon);
+ rc = CIFSTCon(0, ses, tcon->treeName, tcon, nls_codepage);
+ up(&ses->sesSem);
+ cFYI(1, ("reconnect tcon rc = %d", rc));
+
+ if (rc)
+ goto out;
+
+ /*
+ * FIXME: check if wsize needs updated due to negotiated smb buffer
+ * size shrinking
+ */
+ atomic_inc(&tconInfoReconnectCount);
+
+ /* tell server Unix caps we support */
+ if (ses->capabilities & CAP_UNIX)
+ reset_cifs_unix_caps(0, tcon, NULL, NULL);
+
+ /*
+ * Removed call to reopen open files here. It is safer (and faster) to
+ * reopen files one at a time as needed in read and write.
+ *
+ * FIXME: what about file locks? don't we need to reclaim them ASAP?
+ */
+
+out:
+ /*
+ * Check if handle based operation so we know whether we can continue
+ * or not without returning to caller to reset file handle
+ */
+ switch (smb_command) {
+ case SMB_COM_READ_ANDX:
+ case SMB_COM_WRITE_ANDX:
+ case SMB_COM_CLOSE:
+ case SMB_COM_FIND_CLOSE2:
+ case SMB_COM_LOCKING_ANDX:
+ rc = -EAGAIN;
+ }
+
+ unload_nls(nls_codepage);
+ return rc;
+}
+
+/* Allocate and return pointer to an SMB request buffer, and set basic
+ SMB information in the SMB header. If the return code is zero, this
+ function must have filled in request_buf pointer */
+static int
+small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
+ void **request_buf)
+{
+ int rc = 0;
+
+ rc = cifs_reconnect_tcon(tcon, smb_command);
if (rc)
return rc;
{
int rc = 0;
- /* SMBs NegProt, SessSetup, uLogoff do not have tcon yet so
- check for tcp and smb session status done differently
- for those three - in the calling routine */
- if (tcon) {
- if (tcon->tidStatus == CifsExiting) {
- /* only tree disconnect, open, and write,
- (and ulogoff which does not have tcon)
- are allowed as we start force umount */
- if ((smb_command != SMB_COM_WRITE_ANDX) &&
- (smb_command != SMB_COM_OPEN_ANDX) &&
- (smb_command != SMB_COM_TREE_DISCONNECT)) {
- cFYI(1, ("can not send cmd %d while umounting",
- smb_command));
- return -ENODEV;
- }
- }
-
- if ((tcon->ses) && (tcon->ses->status != CifsExiting) &&
- (tcon->ses->server)) {
- struct nls_table *nls_codepage;
- /* Give Demultiplex thread up to 10 seconds to
- reconnect, should be greater than cifs socket
- timeout which is 7 seconds */
- while (tcon->ses->server->tcpStatus ==
- CifsNeedReconnect) {
- wait_event_interruptible_timeout(tcon->ses->server->response_q,
- (tcon->ses->server->tcpStatus ==
- CifsGood), 10 * HZ);
- if (tcon->ses->server->tcpStatus ==
- CifsNeedReconnect) {
- /* on "soft" mounts we wait once */
- if (!tcon->retry ||
- (tcon->ses->status == CifsExiting)) {
- cFYI(1, ("gave up waiting on "
- "reconnect in smb_init"));
- return -EHOSTDOWN;
- } /* else "hard" mount - keep retrying
- until process is killed or server
- comes on-line */
- } else /* TCP session is reestablished now */
- break;
- }
- nls_codepage = load_nls_default();
- /* need to prevent multiple threads trying to
- simultaneously reconnect the same SMB session */
- down(&tcon->ses->sesSem);
- if (tcon->ses->need_reconnect)
- rc = cifs_setup_session(0, tcon->ses,
- nls_codepage);
- if (!rc && (tcon->need_reconnect)) {
- mark_open_files_invalid(tcon);
- rc = CIFSTCon(0, tcon->ses, tcon->treeName,
- tcon, nls_codepage);
- up(&tcon->ses->sesSem);
- /* BB FIXME add code to check if wsize needs
- update due to negotiated smb buffer size
- shrinking */
- if (rc == 0) {
- atomic_inc(&tconInfoReconnectCount);
- /* tell server Unix caps we support */
- if (tcon->ses->capabilities & CAP_UNIX)
- reset_cifs_unix_caps(
- 0 /* no xid */,
- tcon,
- NULL /* do not know sb */,
- NULL /* no vol info */);
- }
-
- cFYI(1, ("reconnect tcon rc = %d", rc));
- /* Removed call to reopen open files here.
- It is safer (and faster) to reopen files
- one at a time as needed in read and write */
-
- /* Check if handle based operation so we
- know whether we can continue or not without
- returning to caller to reset file handle */
- switch (smb_command) {
- case SMB_COM_READ_ANDX:
- case SMB_COM_WRITE_ANDX:
- case SMB_COM_CLOSE:
- case SMB_COM_FIND_CLOSE2:
- case SMB_COM_LOCKING_ANDX: {
- unload_nls(nls_codepage);
- return -EAGAIN;
- }
- }
- } else {
- up(&tcon->ses->sesSem);
- }
- unload_nls(nls_codepage);
-
- } else {
- return -EIO;
- }
- }
+ rc = cifs_reconnect_tcon(tcon, smb_command);
if (rc)
return rc;
int val, seconds, remain, result;
struct timespec ts, utc;
utc = CURRENT_TIME;
- ts = cnvrtDosUnixTm(le16_to_cpu(rsp->SrvTime.Date),
- le16_to_cpu(rsp->SrvTime.Time));
+ ts = cnvrtDosUnixTm(rsp->SrvTime.Date,
+ rsp->SrvTime.Time, 0);
cFYI(1, ("SrvTime %d sec since 1970 (utc: %d) diff: %d",
(int)ts.tv_sec, (int)utc.tv_sec,
(int)(utc.tv_sec - ts.tv_sec)));
else if (secFlags & CIFSSEC_MAY_KRB5)
server->secType = Kerberos;
else if (secFlags & CIFSSEC_MAY_NTLMSSP)
- server->secType = NTLMSSP;
+ server->secType = RawNTLMSSP;
else if (secFlags & CIFSSEC_MAY_LANMAN)
server->secType = LANMAN;
/* #ifdef CONFIG_CIFS_EXPERIMENTAL
* the tcon is no longer on the list, so no need to take lock before
* checking this.
*/
- if (tcon->need_reconnect)
+ if ((tcon->need_reconnect) || (tcon->ses->need_reconnect))
return 0;
rc = small_smb_init(SMB_COM_TREE_DISCONNECT, 0, tcon,
psx_create_err:
cifs_buf_release(pSMB);
- cifs_stats_inc(&tcon->num_mkdirs);
+ if (posix_flags & SMB_O_DIRECTORY)
+ cifs_stats_inc(&tcon->num_posixmkdirs);
+ else
+ cifs_stats_inc(&tcon->num_posixopens);
if (rc == -EAGAIN)
goto PsxCreat;
if (is_unicode) {
__le16 *tmp = kmalloc(strlen(searchName)*2 + 2,
GFP_KERNEL);
+ if (tmp == NULL) {
+ rc = -ENOMEM;
+ goto parse_DFS_referrals_exit;
+ }
cifsConvertToUCS((__le16 *) tmp, searchName,
PATH_MAX, nls_codepage, remap);
node->path_consumed = cifs_ucs2_bytes(tmp,
}
#endif /* temporarily unneeded SetAttr legacy function */
+static void
+cifs_fill_unix_set_info(FILE_UNIX_BASIC_INFO *data_offset,
+ const struct cifs_unix_set_info_args *args)
+{
+ u64 mode = args->mode;
+
+ /*
+ * Samba server ignores set of file size to zero due to bugs in some
+ * older clients, but we should be precise - we use SetFileSize to
+ * set file size and do not want to truncate file size to zero
+ * accidently as happened on one Samba server beta by putting
+ * zero instead of -1 here
+ */
+ data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64);
+ data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64);
+ data_offset->LastStatusChange = cpu_to_le64(args->ctime);
+ data_offset->LastAccessTime = cpu_to_le64(args->atime);
+ data_offset->LastModificationTime = cpu_to_le64(args->mtime);
+ data_offset->Uid = cpu_to_le64(args->uid);
+ data_offset->Gid = cpu_to_le64(args->gid);
+ /* better to leave device as zero when it is */
+ data_offset->DevMajor = cpu_to_le64(MAJOR(args->device));
+ data_offset->DevMinor = cpu_to_le64(MINOR(args->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);
+}
+
int
-CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *tcon, char *fileName,
- const struct cifs_unix_set_info_args *args,
- const struct nls_table *nls_codepage, int remap)
+CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
+ const struct cifs_unix_set_info_args *args,
+ u16 fid, u32 pid_of_opener)
+{
+ struct smb_com_transaction2_sfi_req *pSMB = NULL;
+ FILE_UNIX_BASIC_INFO *data_offset;
+ int rc = 0;
+ u16 params, param_offset, offset, byte_count, count;
+
+ cFYI(1, ("Set Unix Info (via SetFileInfo)"));
+ rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB);
+
+ if (rc)
+ return rc;
+
+ pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
+ pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));
+
+ params = 6;
+ pSMB->MaxSetupCount = 0;
+ pSMB->Reserved = 0;
+ pSMB->Flags = 0;
+ pSMB->Timeout = 0;
+ pSMB->Reserved2 = 0;
+ param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
+ offset = param_offset + params;
+
+ data_offset = (FILE_UNIX_BASIC_INFO *)
+ ((char *)(&pSMB->hdr.Protocol) + offset);
+ count = sizeof(FILE_UNIX_BASIC_INFO);
+
+ pSMB->MaxParameterCount = cpu_to_le16(2);
+ /* BB find max SMB PDU from sess */
+ pSMB->MaxDataCount = cpu_to_le16(1000);
+ pSMB->SetupCount = 1;
+ pSMB->Reserved3 = 0;
+ pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
+ byte_count = 3 /* pad */ + params + count;
+ pSMB->DataCount = cpu_to_le16(count);
+ pSMB->ParameterCount = cpu_to_le16(params);
+ pSMB->TotalDataCount = pSMB->DataCount;
+ pSMB->TotalParameterCount = pSMB->ParameterCount;
+ pSMB->ParameterOffset = cpu_to_le16(param_offset);
+ pSMB->DataOffset = cpu_to_le16(offset);
+ pSMB->Fid = fid;
+ pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
+ pSMB->Reserved4 = 0;
+ pSMB->hdr.smb_buf_length += byte_count;
+ pSMB->ByteCount = cpu_to_le16(byte_count);
+
+ cifs_fill_unix_set_info(data_offset, args);
+
+ rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0);
+ if (rc)
+ cFYI(1, ("Send error in Set Time (SetFileInfo) = %d", rc));
+
+ /* Note: On -EAGAIN error only caller can retry on handle based calls
+ since file handle passed in no longer valid */
+
+ return rc;
+}
+
+int
+CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName,
+ const struct cifs_unix_set_info_args *args,
+ const struct nls_table *nls_codepage, int remap)
{
TRANSACTION2_SPI_REQ *pSMB = NULL;
TRANSACTION2_SPI_RSP *pSMBr = NULL;
int bytes_returned = 0;
FILE_UNIX_BASIC_INFO *data_offset;
__u16 params, param_offset, offset, count, byte_count;
- __u64 mode = args->mode;
cFYI(1, ("In SetUID/GID/Mode"));
setPermsRetry:
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
pSMB->Reserved4 = 0;
pSMB->hdr.smb_buf_length += byte_count;
- /* Samba server ignores set of file size to zero due to bugs in some
- older clients, but we should be precise - we use SetFileSize to
- set file size and do not want to truncate file size to zero
- accidently as happened on one Samba server beta by putting
- zero instead of -1 here */
- data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64);
- data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64);
- data_offset->LastStatusChange = cpu_to_le64(args->ctime);
- data_offset->LastAccessTime = cpu_to_le64(args->atime);
- data_offset->LastModificationTime = cpu_to_le64(args->mtime);
- data_offset->Uid = cpu_to_le64(args->uid);
- data_offset->Gid = cpu_to_le64(args->gid);
- /* better to leave device as zero when it is */
- data_offset->DevMajor = cpu_to_le64(MAJOR(args->device));
- data_offset->DevMinor = cpu_to_le64(MINOR(args->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);
+ cifs_fill_unix_set_info(data_offset, args);
pSMB->ByteCount = cpu_to_le16(byte_count);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff