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Diffstat (limited to 'source4/ntvfs/posix/pvfs_open.c')
-rw-r--r--source4/ntvfs/posix/pvfs_open.c126
1 files changed, 97 insertions, 29 deletions
diff --git a/source4/ntvfs/posix/pvfs_open.c b/source4/ntvfs/posix/pvfs_open.c
index 4f089a8c07..a772feb623 100644
--- a/source4/ntvfs/posix/pvfs_open.c
+++ b/source4/ntvfs/posix/pvfs_open.c
@@ -104,7 +104,7 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
uint32_t create_action;
if (name->stream_name) {
- return NT_STATUS_OBJECT_NAME_INVALID;
+ return NT_STATUS_NOT_A_DIRECTORY;
}
/* if the client says it must be a directory, and it isn't,
@@ -163,7 +163,8 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
f->handle->pvfs = pvfs;
f->handle->name = talloc_steal(f->handle, name);
f->handle->fd = -1;
- f->handle->locking_key = data_blob(NULL, 0);
+ f->handle->odb_locking_key = data_blob(NULL, 0);
+ f->handle->brl_locking_key = data_blob(NULL, 0);
f->handle->create_options = io->generic.in.create_options;
f->handle->seek_offset = 0;
f->handle->position = 0;
@@ -243,7 +244,7 @@ static int pvfs_handle_destructor(void *p)
struct odb_lock *lck;
NTSTATUS status;
- lck = odb_lock(h, h->pvfs->odb_context, &h->locking_key);
+ lck = odb_lock(h, h->pvfs->odb_context, &h->odb_locking_key);
if (lck == NULL) {
DEBUG(0,("Unable to lock opendb for close\n"));
return 0;
@@ -278,9 +279,8 @@ static int pvfs_fnum_destructor(void *p)
/*
- form the lock context used for byte range locking and opendb
- locking. Note that we must zero here to take account of
- possible padding on some architectures
+ form the lock context used for opendb locking. Note that we must
+ zero here to take account of possible padding on some architectures
*/
static NTSTATUS pvfs_locking_key(struct pvfs_filename *name,
TALLOC_CTX *mem_ctx, DATA_BLOB *key)
@@ -302,6 +302,37 @@ static NTSTATUS pvfs_locking_key(struct pvfs_filename *name,
return NT_STATUS_OK;
}
+/*
+ form the lock context used for byte range locking. This is separate
+ from the locking key used for opendb locking as it needs to take
+ account of file streams (each stream is a separate byte range
+ locking space)
+*/
+static NTSTATUS pvfs_brl_locking_key(struct pvfs_filename *name,
+ TALLOC_CTX *mem_ctx, DATA_BLOB *key)
+{
+ DATA_BLOB odb_key;
+ NTSTATUS status;
+ status = pvfs_locking_key(name, mem_ctx, &odb_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ if (name->stream_name == NULL) {
+ *key = odb_key;
+ return NT_STATUS_OK;
+ }
+ *key = data_blob_talloc(mem_ctx, NULL,
+ odb_key.length + strlen(name->stream_name) + 1);
+ if (key->data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ memcpy(key->data, odb_key.data, odb_key.length);
+ memcpy(key->data + odb_key.length,
+ name->stream_name, strlen(name->stream_name)+1);
+ data_blob_free(&odb_key);
+ return NT_STATUS_OK;
+}
+
/*
create a new file
@@ -361,6 +392,16 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
return pvfs_map_errno(pvfs, errno);
}
+ /* if this was a stream create then create the stream as well */
+ if (name->stream_name) {
+ status = pvfs_stream_create(pvfs, name, fd);
+ if (!NT_STATUS_IS_OK(status)) {
+ idr_remove(pvfs->idtree_fnum, fnum);
+ close(fd);
+ return status;
+ }
+ }
+
/* re-resolve the open fd */
status = pvfs_resolve_name_fd(pvfs, fd, name);
if (!NT_STATUS_IS_OK(status)) {
@@ -379,7 +420,14 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
/* form the lock context used for byte range locking and
opendb locking */
- status = pvfs_locking_key(name, f->handle, &f->handle->locking_key);
+ status = pvfs_locking_key(name, f->handle, &f->handle->odb_locking_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ idr_remove(pvfs->idtree_fnum, fnum);
+ close(fd);
+ return status;
+ }
+
+ status = pvfs_brl_locking_key(name, f->handle, &f->handle->brl_locking_key);
if (!NT_STATUS_IS_OK(status)) {
idr_remove(pvfs->idtree_fnum, fnum);
close(fd);
@@ -387,7 +435,7 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
}
/* grab a lock on the open file record */
- lck = odb_lock(req, pvfs->odb_context, &f->handle->locking_key);
+ lck = odb_lock(req, pvfs->odb_context, &f->handle->odb_locking_key);
if (lck == NULL) {
DEBUG(0,("pvfs_open: failed to lock file '%s' in opendb\n",
name->full_name));
@@ -398,7 +446,7 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
- status = odb_open_file(lck, f->handle,
+ status = odb_open_file(lck, f->handle, name->stream_id,
share_access, create_options, access_mask);
talloc_free(lck);
if (!NT_STATUS_IS_OK(status)) {
@@ -463,7 +511,7 @@ struct pvfs_open_retry {
struct smbsrv_request *req;
union smb_open *io;
void *wait_handle;
- DATA_BLOB locking_key;
+ DATA_BLOB odb_locking_key;
};
/* destroy a pending open request */
@@ -471,9 +519,9 @@ static int pvfs_retry_destructor(void *ptr)
{
struct pvfs_open_retry *r = ptr;
struct pvfs_state *pvfs = r->ntvfs->private_data;
- if (r->locking_key.data) {
+ if (r->odb_locking_key.data) {
struct odb_lock *lck;
- lck = odb_lock(r->req, pvfs->odb_context, &r->locking_key);
+ lck = odb_lock(r->req, pvfs->odb_context, &r->odb_locking_key);
if (lck != NULL) {
odb_remove_pending(lck, r);
}
@@ -512,7 +560,7 @@ static void pvfs_open_retry(void *private, enum pvfs_wait_notice reason)
/* the pending odb entry is already removed. We use a null locking
key to indicate this */
- data_blob_free(&r->locking_key);
+ data_blob_free(&r->odb_locking_key);
talloc_free(r);
/* try the open again, which could trigger another retry setup
@@ -649,9 +697,9 @@ static NTSTATUS pvfs_open_setup_retry(struct ntvfs_module_context *ntvfs,
r->ntvfs = ntvfs;
r->req = req;
r->io = io;
- r->locking_key = data_blob_talloc(r,
- f->handle->locking_key.data,
- f->handle->locking_key.length);
+ r->odb_locking_key = data_blob_talloc(r,
+ f->handle->odb_locking_key.data,
+ f->handle->odb_locking_key.length);
end_time = timeval_add(&req->request_time, 0, pvfs->sharing_violation_delay);
@@ -693,14 +741,14 @@ static NTSTATUS pvfs_open_t2open(struct ntvfs_module_context *ntvfs,
}
if (io->t2open.in.open_func & OPENX_OPEN_FUNC_CREATE) {
- if (!name->exists) return NT_STATUS_ACCESS_DENIED;
+ if (!name->stream_exists) return NT_STATUS_ACCESS_DENIED;
}
if (io->t2open.in.open_func & OPENX_OPEN_FUNC_TRUNC) {
- if (name->exists) return NT_STATUS_ACCESS_DENIED;
+ if (name->stream_exists) return NT_STATUS_ACCESS_DENIED;
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
if ((io->t2open.in.open_func & 0xF) == OPENX_OPEN_FUNC_FAIL) {
- if (!name->exists) return NT_STATUS_ACCESS_DENIED;
+ if (!name->stream_exists) return NT_STATUS_ACCESS_DENIED;
return NT_STATUS_OBJECT_NAME_COLLISION;
}
@@ -725,6 +773,7 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
uint32_t create_options;
uint32_t share_access;
uint32_t access_mask;
+ BOOL stream_existed;
if (io->generic.level == RAW_OPEN_T2OPEN) {
return pvfs_open_t2open(ntvfs, req, io);
@@ -777,21 +826,21 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
break;
case NTCREATEX_DISP_OPEN:
- if (!name->exists) {
+ if (!name->stream_exists) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
flags = 0;
break;
case NTCREATEX_DISP_OVERWRITE:
- if (!name->exists) {
+ if (!name->stream_exists) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
flags = O_TRUNC;
break;
case NTCREATEX_DISP_CREATE:
- if (name->exists) {
+ if (name->stream_exists) {
return NT_STATUS_OBJECT_NAME_COLLISION;
}
flags = 0;
@@ -876,14 +925,20 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
/* form the lock context used for byte range locking and
opendb locking */
- status = pvfs_locking_key(name, f->handle, &f->handle->locking_key);
+ status = pvfs_locking_key(name, f->handle, &f->handle->odb_locking_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ idr_remove(pvfs->idtree_fnum, f->fnum);
+ return status;
+ }
+
+ status = pvfs_brl_locking_key(name, f->handle, &f->handle->brl_locking_key);
if (!NT_STATUS_IS_OK(status)) {
idr_remove(pvfs->idtree_fnum, f->fnum);
return status;
}
/* get a lock on this file before the actual open */
- lck = odb_lock(req, pvfs->odb_context, &f->handle->locking_key);
+ lck = odb_lock(req, pvfs->odb_context, &f->handle->odb_locking_key);
if (lck == NULL) {
DEBUG(0,("pvfs_open: failed to lock file '%s' in opendb\n",
name->full_name));
@@ -902,7 +957,7 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
/* see if we are allowed to open at the same time as existing opens */
- status = odb_open_file(lck, f->handle,
+ status = odb_open_file(lck, f->handle, f->handle->name->stream_id,
share_access, create_options, access_mask);
/* on a sharing violation we need to retry when the file is closed by
@@ -928,6 +983,17 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
f->handle->fd = fd;
+ stream_existed = name->stream_exists;
+
+ /* if this was a stream create then create the stream as well */
+ if (!name->stream_exists) {
+ status = pvfs_stream_create(pvfs, f->handle->name, fd);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(lck);
+ return status;
+ }
+ }
+
/* re-resolve the open fd */
status = pvfs_resolve_name_fd(f->pvfs, fd, f->handle->name);
if (!NT_STATUS_IS_OK(status)) {
@@ -935,8 +1001,9 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
return status;
}
- if (io->generic.in.open_disposition == NTCREATEX_DISP_OVERWRITE ||
- io->generic.in.open_disposition == NTCREATEX_DISP_OVERWRITE_IF) {
+ if (f->handle->name->stream_id == 0 &&
+ (io->generic.in.open_disposition == NTCREATEX_DISP_OVERWRITE ||
+ io->generic.in.open_disposition == NTCREATEX_DISP_OVERWRITE_IF)) {
/* for overwrite we need to replace file permissions */
uint32_t attrib = io->ntcreatex.in.file_attr | FILE_ATTRIBUTE_ARCHIVE;
mode_t mode = pvfs_fileperms(pvfs, attrib);
@@ -956,7 +1023,8 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
io->generic.out.oplock_level = NO_OPLOCK;
io->generic.out.fnum = f->fnum;
- io->generic.out.create_action = NTCREATEX_ACTION_EXISTED;
+ io->generic.out.create_action = stream_existed?
+ NTCREATEX_ACTION_EXISTED:NTCREATEX_ACTION_CREATED;
io->generic.out.create_time = name->dos.create_time;
io->generic.out.access_time = name->dos.access_time;
io->generic.out.write_time = name->dos.write_time;
@@ -1069,7 +1137,7 @@ NTSTATUS pvfs_change_create_options(struct pvfs_state *pvfs,
return NT_STATUS_CANNOT_DELETE;
}
- lck = odb_lock(req, pvfs->odb_context, &f->handle->locking_key);
+ lck = odb_lock(req, pvfs->odb_context, &f->handle->odb_locking_key);
if (lck == NULL) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}