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Diffstat (limited to 'source4/libcli/composite/loadfile.c')
-rw-r--r--source4/libcli/composite/loadfile.c106
1 files changed, 56 insertions, 50 deletions
diff --git a/source4/libcli/composite/loadfile.c b/source4/libcli/composite/loadfile.c
index d8311e9151..e219707bc0 100644
--- a/source4/libcli/composite/loadfile.c
+++ b/source4/libcli/composite/loadfile.c
@@ -32,6 +32,11 @@ enum loadfile_stage {LOADFILE_OPEN, LOADFILE_READ, LOADFILE_CLOSE};
static void loadfile_handler(struct smbcli_request *req);
+struct loadfile_state {
+ struct smb_composite_loadfile *io;
+ union smb_open *io_open;
+ union smb_read *io_read;
+};
/*
setup for the close
@@ -39,8 +44,8 @@ static void loadfile_handler(struct smbcli_request *req);
static NTSTATUS setup_close(struct smbcli_composite *c,
struct smbcli_tree *tree, uint16_t fnum)
{
- union smb_close *io_close;
struct smbcli_request *req;
+ union smb_close *io_close;
/* nothing to read, setup the close */
io_close = talloc(c, union smb_close);
@@ -56,7 +61,6 @@ static NTSTATUS setup_close(struct smbcli_composite *c,
/* call the handler again when the close is done */
req->async.fn = loadfile_handler;
req->async.private = c;
- c->req_parms = io_close;
c->req = req;
c->stage = LOADFILE_CLOSE;
@@ -70,52 +74,50 @@ static NTSTATUS setup_close(struct smbcli_composite *c,
static NTSTATUS loadfile_open(struct smbcli_composite *c,
struct smb_composite_loadfile *io)
{
- union smb_open *io_open = c->req_parms;
+ struct loadfile_state *state = c->private;
struct smbcli_request *req = c->req;
struct smbcli_tree *tree = req->tree;
- union smb_read *io_read;
NTSTATUS status;
- status = smb_raw_open_recv(req, c, io_open);
+ status = smb_raw_open_recv(req, c, state->io_open);
NT_STATUS_NOT_OK_RETURN(status);
/* don't allow stupidly large loads */
- if (io_open->ntcreatex.out.size > 100*1000*1000) {
+ if (state->io_open->ntcreatex.out.size > 100*1000*1000) {
return NT_STATUS_INSUFFICIENT_RESOURCES;
}
/* allocate space for the file data */
- io->out.size = io_open->ntcreatex.out.size;
+ io->out.size = state->io_open->ntcreatex.out.size;
io->out.data = talloc_array(c, uint8_t, io->out.size);
NT_STATUS_HAVE_NO_MEMORY(io->out.data);
if (io->out.size == 0) {
- return setup_close(c, tree, io_open->ntcreatex.out.fnum);
+ return setup_close(c, tree, state->io_open->ntcreatex.out.fnum);
}
/* setup for the read */
- io_read = talloc(c, union smb_read);
- NT_STATUS_HAVE_NO_MEMORY(io_read);
+ state->io_read = talloc(c, union smb_read);
+ NT_STATUS_HAVE_NO_MEMORY(state->io_read);
- io_read->readx.level = RAW_READ_READX;
- io_read->readx.in.fnum = io_open->ntcreatex.out.fnum;
- io_read->readx.in.offset = 0;
- io_read->readx.in.mincnt = MIN(32768, io->out.size);
- io_read->readx.in.maxcnt = io_read->readx.in.mincnt;
- io_read->readx.in.remaining = 0;
- io_read->readx.out.data = io->out.data;
-
- req = smb_raw_read_send(tree, io_read);
+ state->io_read->readx.level = RAW_READ_READX;
+ state->io_read->readx.in.fnum = state->io_open->ntcreatex.out.fnum;
+ state->io_read->readx.in.offset = 0;
+ state->io_read->readx.in.mincnt = MIN(32768, io->out.size);
+ state->io_read->readx.in.maxcnt = state->io_read->readx.in.mincnt;
+ state->io_read->readx.in.remaining = 0;
+ state->io_read->readx.out.data = io->out.data;
+
+ req = smb_raw_read_send(tree, state->io_read);
NT_STATUS_HAVE_NO_MEMORY(req);
/* call the handler again when the first read is done */
req->async.fn = loadfile_handler;
req->async.private = c;
- c->req_parms = io_read;
c->req = req;
c->stage = LOADFILE_READ;
- talloc_free(io_open);
+ talloc_free(state->io_open);
return NT_STATUS_OK;
}
@@ -128,26 +130,26 @@ static NTSTATUS loadfile_open(struct smbcli_composite *c,
static NTSTATUS loadfile_read(struct smbcli_composite *c,
struct smb_composite_loadfile *io)
{
- union smb_read *io_read = c->req_parms;
+ struct loadfile_state *state = c->private;
struct smbcli_request *req = c->req;
struct smbcli_tree *tree = req->tree;
NTSTATUS status;
- status = smb_raw_read_recv(req, io_read);
+ status = smb_raw_read_recv(req, state->io_read);
NT_STATUS_NOT_OK_RETURN(status);
/* we might be done */
- if (io_read->readx.in.offset +
- io_read->readx.out.nread == io->out.size) {
- return setup_close(c, tree, io_read->readx.in.fnum);
+ if (state->io_read->readx.in.offset +
+ state->io_read->readx.out.nread == io->out.size) {
+ return setup_close(c, tree, state->io_read->readx.in.fnum);
}
/* setup for the next read */
- io_read->readx.in.offset += io_read->readx.out.nread;
- io_read->readx.in.mincnt = MIN(32768, io->out.size - io_read->readx.in.offset);
- io_read->readx.out.data = io->out.data + io_read->readx.in.offset;
+ state->io_read->readx.in.offset += state->io_read->readx.out.nread;
+ state->io_read->readx.in.mincnt = MIN(32768, io->out.size - state->io_read->readx.in.offset);
+ state->io_read->readx.out.data = io->out.data + state->io_read->readx.in.offset;
- req = smb_raw_read_send(tree, io_read);
+ req = smb_raw_read_send(tree, state->io_read);
NT_STATUS_HAVE_NO_MEMORY(req);
/* call the handler again when the read is done */
@@ -185,21 +187,21 @@ static NTSTATUS loadfile_close(struct smbcli_composite *c,
static void loadfile_handler(struct smbcli_request *req)
{
struct smbcli_composite *c = req->async.private;
- struct smb_composite_loadfile *io = c->composite_parms;
+ struct loadfile_state *state = c->private;
/* when this handler is called, the stage indicates what
call has just finished */
switch (c->stage) {
case LOADFILE_OPEN:
- c->status = loadfile_open(c, io);
+ c->status = loadfile_open(c, state->io);
break;
case LOADFILE_READ:
- c->status = loadfile_read(c, io);
+ c->status = loadfile_read(c, state->io);
break;
case LOADFILE_CLOSE:
- c->status = loadfile_close(c, io);
+ c->status = loadfile_close(c, state->io);
break;
}
@@ -219,37 +221,41 @@ struct smbcli_composite *smb_composite_loadfile_send(struct smbcli_tree *tree,
struct smb_composite_loadfile *io)
{
struct smbcli_composite *c;
- union smb_open *io_open;
struct smbcli_request *req;
+ struct loadfile_state *state;
c = talloc_zero(tree, struct smbcli_composite);
if (c == NULL) goto failed;
+ state = talloc(c, struct loadfile_state);
+ if (state == NULL) goto failed;
+
+ state->io = io;
+
+ c->private = state;
c->state = SMBCLI_REQUEST_SEND;
- c->composite_parms = io;
c->event_ctx = tree->session->transport->socket->event.ctx;
/* setup for the open */
- io_open = talloc_zero(c, union smb_open);
- if (io_open == NULL) goto failed;
+ state->io_open = talloc_zero(c, union smb_open);
+ if (state->io_open == NULL) goto failed;
- io_open->ntcreatex.level = RAW_OPEN_NTCREATEX;
- io_open->ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED;
- io_open->ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
- io_open->ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- io_open->ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE;
- io_open->ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
- io_open->ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
- io_open->ntcreatex.in.fname = io->in.fname;
+ state->io_open->ntcreatex.level = RAW_OPEN_NTCREATEX;
+ state->io_open->ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED;
+ state->io_open->ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
+ state->io_open->ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
+ state->io_open->ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE;
+ state->io_open->ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
+ state->io_open->ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
+ state->io_open->ntcreatex.in.fname = io->in.fname;
/* send the open on its way */
- req = smb_raw_open_send(tree, io_open);
+ req = smb_raw_open_send(tree, state->io_open);
if (req == NULL) goto failed;
/* setup the callback handler */
req->async.fn = loadfile_handler;
req->async.private = c;
- c->req_parms = io_open;
c->req = req;
c->stage = LOADFILE_OPEN;
@@ -271,8 +277,8 @@ NTSTATUS smb_composite_loadfile_recv(struct smbcli_composite *c, TALLOC_CTX *mem
status = smb_composite_wait(c);
if (NT_STATUS_IS_OK(status)) {
- struct smb_composite_loadfile *io = c->composite_parms;
- talloc_steal(mem_ctx, io->out.data);
+ struct loadfile_state *state = c->private;
+ talloc_steal(mem_ctx, state->io->out.data);
}
talloc_free(c);