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-rw-r--r--source4/libcli/composite/loadfile.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/source4/libcli/composite/loadfile.c b/source4/libcli/composite/loadfile.c
deleted file mode 100644
index 69a8219dba..0000000000
--- a/source4/libcli/composite/loadfile.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Copyright (C) Andrew Tridgell 2005
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-/*
- a composite API for loading a whole file into memory
-*/
-
-#include "includes.h"
-#include "libcli/raw/libcliraw.h"
-#include "libcli/composite/composite.h"
-#include "librpc/gen_ndr/ndr_security.h"
-
-/* the stages of this call */
-enum loadfile_stage {LOADFILE_OPEN, LOADFILE_READ, LOADFILE_CLOSE};
-
-
-static void loadfile_handler(struct smbcli_request *req);
-
-struct loadfile_state {
- enum loadfile_stage stage;
- struct smb_composite_loadfile *io;
- struct smbcli_request *req;
- union smb_open *io_open;
- union smb_read *io_read;
-};
-
-/*
- setup for the close
-*/
-static NTSTATUS setup_close(struct composite_context *c,
- struct smbcli_tree *tree, uint16_t fnum)
-{
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
- union smb_close *io_close;
-
- /* nothing to read, setup the close */
- io_close = talloc(c, union smb_close);
- NT_STATUS_HAVE_NO_MEMORY(io_close);
-
- io_close->close.level = RAW_CLOSE_CLOSE;
- io_close->close.in.fnum = fnum;
- io_close->close.in.write_time = 0;
-
- state->req = smb_raw_close_send(tree, io_close);
- NT_STATUS_HAVE_NO_MEMORY(state->req);
-
- /* call the handler again when the close is done */
- state->req->async.fn = loadfile_handler;
- state->req->async.private = c;
- state->stage = LOADFILE_CLOSE;
-
- return NT_STATUS_OK;
-}
-
-/*
- called when the open is done - pull the results and setup for the
- first readx, or close if the file is zero size
-*/
-static NTSTATUS loadfile_open(struct composite_context *c,
- struct smb_composite_loadfile *io)
-{
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
- struct smbcli_tree *tree = state->req->tree;
- NTSTATUS status;
-
- status = smb_raw_open_recv(state->req, c, state->io_open);
- NT_STATUS_NOT_OK_RETURN(status);
-
- /* don't allow stupidly large loads */
- if (state->io_open->ntcreatex.out.size > 100*1000*1000) {
- return NT_STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* allocate space for the file data */
- 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, state->io_open->ntcreatex.out.fnum);
- }
-
- /* setup for the read */
- state->io_read = talloc(c, union smb_read);
- NT_STATUS_HAVE_NO_MEMORY(state->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;
-
- state->req = smb_raw_read_send(tree, state->io_read);
- NT_STATUS_HAVE_NO_MEMORY(state->req);
-
- /* call the handler again when the first read is done */
- state->req->async.fn = loadfile_handler;
- state->req->async.private = c;
- state->stage = LOADFILE_READ;
-
- talloc_free(state->io_open);
-
- return NT_STATUS_OK;
-}
-
-
-/*
- called when a read is done - pull the results and setup for the
- next read, or close if the file is all done
-*/
-static NTSTATUS loadfile_read(struct composite_context *c,
- struct smb_composite_loadfile *io)
-{
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
- struct smbcli_tree *tree = state->req->tree;
- NTSTATUS status;
-
- status = smb_raw_read_recv(state->req, state->io_read);
- NT_STATUS_NOT_OK_RETURN(status);
-
- /* we might be done */
- 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 */
- 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;
-
- state->req = smb_raw_read_send(tree, state->io_read);
- NT_STATUS_HAVE_NO_MEMORY(state->req);
-
- /* call the handler again when the read is done */
- state->req->async.fn = loadfile_handler;
- state->req->async.private = c;
-
- return NT_STATUS_OK;
-}
-
-/*
- called when the close is done, check the status and cleanup
-*/
-static NTSTATUS loadfile_close(struct composite_context *c,
- struct smb_composite_loadfile *io)
-{
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
- NTSTATUS status;
-
- status = smbcli_request_simple_recv(state->req);
- NT_STATUS_NOT_OK_RETURN(status);
-
- c->state = SMBCLI_REQUEST_DONE;
-
- return NT_STATUS_OK;
-}
-
-
-/*
- handler for completion of a sub-request in loadfile
-*/
-static void loadfile_handler(struct smbcli_request *req)
-{
- struct composite_context *c = req->async.private;
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
-
- /* when this handler is called, the stage indicates what
- call has just finished */
- switch (state->stage) {
- case LOADFILE_OPEN:
- c->status = loadfile_open(c, state->io);
- break;
-
- case LOADFILE_READ:
- c->status = loadfile_read(c, state->io);
- break;
-
- case LOADFILE_CLOSE:
- c->status = loadfile_close(c, state->io);
- break;
- }
-
- if (!NT_STATUS_IS_OK(c->status)) {
- c->state = SMBCLI_REQUEST_ERROR;
- }
-
- if (c->state >= SMBCLI_REQUEST_DONE &&
- c->async.fn) {
- c->async.fn(c);
- }
-}
-
-/*
- composite loadfile call - does an openx followed by a number of readx calls,
- followed by a close
-*/
-struct composite_context *smb_composite_loadfile_send(struct smbcli_tree *tree,
- struct smb_composite_loadfile *io)
-{
- struct composite_context *c;
- struct loadfile_state *state;
-
- c = talloc_zero(tree, struct composite_context);
- 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->event_ctx = tree->session->transport->socket->event.ctx;
-
- /* setup for the open */
- state->io_open = talloc_zero(c, union smb_open);
- if (state->io_open == NULL) goto failed;
-
- 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 */
- state->req = smb_raw_open_send(tree, state->io_open);
- if (state->req == NULL) goto failed;
-
- /* setup the callback handler */
- state->req->async.fn = loadfile_handler;
- state->req->async.private = c;
- state->stage = LOADFILE_OPEN;
-
- return c;
-
-failed:
- talloc_free(c);
- return NULL;
-}
-
-
-/*
- composite loadfile call - recv side
-*/
-NTSTATUS smb_composite_loadfile_recv(struct composite_context *c, TALLOC_CTX *mem_ctx)
-{
- NTSTATUS status;
-
- status = composite_wait(c);
-
- if (NT_STATUS_IS_OK(status)) {
- struct loadfile_state *state = talloc_get_type(c->private, struct loadfile_state);
- talloc_steal(mem_ctx, state->io->out.data);
- }
-
- talloc_free(c);
- return status;
-}
-
-
-/*
- composite loadfile call - sync interface
-*/
-NTSTATUS smb_composite_loadfile(struct smbcli_tree *tree,
- TALLOC_CTX *mem_ctx,
- struct smb_composite_loadfile *io)
-{
- struct composite_context *c = smb_composite_loadfile_send(tree, io);
- return smb_composite_loadfile_recv(c, mem_ctx);
-}
-
generated by cgit (git 2.34.1) at 2024-10-12 21:17:17 +0000