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-rw-r--r--source4/libcli/smb_composite/fsinfo.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/source4/libcli/smb_composite/fsinfo.c b/source4/libcli/smb_composite/fsinfo.c
new file mode 100644
index 0000000..242e2cc
--- /dev/null
+++ b/source4/libcli/smb_composite/fsinfo.c
@@ -0,0 +1,214 @@
+/*
+ a composite API for quering file system information
+*/
+
+#include "includes.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "libcli/composite/composite.h"
+#include "libcli/smb_composite/smb_composite.h"
+#include "libcli/resolve/resolve.h"
+
+/* the stages of this call */
+enum fsinfo_stage {FSINFO_CONNECT, FSINFO_QUERY};
+
+
+static void fsinfo_raw_handler(struct smbcli_request *req);
+static void fsinfo_composite_handler(struct composite_context *c);
+static void fsinfo_state_handler(struct composite_context *c);
+
+struct fsinfo_state {
+ enum fsinfo_stage stage;
+ struct composite_context *creq;
+ struct smb_composite_fsinfo *io;
+ struct smb_composite_connect *connect;
+ union smb_fsinfo *fsinfo;
+ struct smbcli_tree *tree;
+ struct smbcli_request *req;
+};
+
+static NTSTATUS fsinfo_connect(struct composite_context *c,
+ struct smb_composite_fsinfo *io)
+{
+ NTSTATUS status;
+ struct fsinfo_state *state;
+ state = talloc_get_type(c->private_data, struct fsinfo_state);
+
+ status = smb_composite_connect_recv(state->creq, c);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ state->fsinfo = talloc(state, union smb_fsinfo);
+ NT_STATUS_HAVE_NO_MEMORY(state->fsinfo);
+
+ state->fsinfo->generic.level = io->in.level;
+
+ state->req = smb_raw_fsinfo_send(state->connect->out.tree,
+ state,
+ state->fsinfo);
+ NT_STATUS_HAVE_NO_MEMORY(state->req);
+
+ state->req->async.private_data = c;
+ state->req->async.fn = fsinfo_raw_handler;
+
+ state->stage = FSINFO_QUERY;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS fsinfo_query(struct composite_context *c,
+ struct smb_composite_fsinfo *io)
+{
+ NTSTATUS status;
+ struct fsinfo_state *state;
+ state = talloc_get_type(c->private_data, struct fsinfo_state);
+
+ status = smb_raw_fsinfo_recv(state->req, state, state->fsinfo);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ state->io->out.fsinfo = state->fsinfo;
+
+ c->state = COMPOSITE_STATE_DONE;
+
+ if (c->async.fn)
+ c->async.fn(c);
+
+ return NT_STATUS_OK;
+
+}
+
+/*
+ handler for completion of a sub-request in fsinfo
+*/
+static void fsinfo_state_handler(struct composite_context *creq)
+{
+ struct fsinfo_state *state = talloc_get_type(creq->private_data, struct fsinfo_state);
+
+ /* when this handler is called, the stage indicates what
+ call has just finished */
+ switch (state->stage) {
+ case FSINFO_CONNECT:
+ creq->status = fsinfo_connect(creq, state->io);
+ break;
+
+ case FSINFO_QUERY:
+ creq->status = fsinfo_query(creq, state->io);
+ break;
+ }
+
+ if (!NT_STATUS_IS_OK(creq->status)) {
+ creq->state = COMPOSITE_STATE_ERROR;
+ }
+
+ if (creq->state >= COMPOSITE_STATE_DONE && creq->async.fn) {
+ creq->async.fn(creq);
+ }
+}
+
+/*
+ As raw and composite handlers take different requests, we need to handlers
+ to adapt both for the same state machine in fsinfo_state_handler()
+*/
+static void fsinfo_raw_handler(struct smbcli_request *req)
+{
+ struct composite_context *c = talloc_get_type(req->async.private_data,
+ struct composite_context);
+ fsinfo_state_handler(c);
+}
+
+static void fsinfo_composite_handler(struct composite_context *creq)
+{
+ struct composite_context *c = talloc_get_type(creq->async.private_data,
+ struct composite_context);
+ fsinfo_state_handler(c);
+}
+
+/*
+ composite fsinfo call - connects to a tree and queries a file system information
+*/
+struct composite_context *smb_composite_fsinfo_send(struct smbcli_tree *tree,
+ struct smb_composite_fsinfo *io,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *event_ctx)
+{
+ struct composite_context *c;
+ struct fsinfo_state *state;
+
+ c = talloc_zero(tree, struct composite_context);
+ if (c == NULL) goto failed;
+
+ c->event_ctx = event_ctx;
+ if (c->event_ctx == NULL) goto failed;
+
+ state = talloc(c, struct fsinfo_state);
+ if (state == NULL) goto failed;
+
+ state->io = io;
+
+ state->connect = talloc_zero(state, struct smb_composite_connect);
+
+ if (state->connect == NULL) goto failed;
+
+ state->connect->in.dest_host = io->in.dest_host;
+ state->connect->in.dest_ports = io->in.dest_ports;
+ state->connect->in.socket_options = io->in.socket_options;
+ state->connect->in.called_name = io->in.called_name;
+ state->connect->in.service = io->in.service;
+ state->connect->in.service_type = io->in.service_type;
+ state->connect->in.credentials = io->in.credentials;
+ state->connect->in.fallback_to_anonymous = false;
+ state->connect->in.workgroup = io->in.workgroup;
+ state->connect->in.gensec_settings = io->in.gensec_settings;
+
+ state->connect->in.options = tree->session->transport->options;
+ state->connect->in.session_options = tree->session->options;
+
+ c->state = COMPOSITE_STATE_IN_PROGRESS;
+ state->stage = FSINFO_CONNECT;
+ c->private_data = state;
+
+ state->creq = smb_composite_connect_send(state->connect, state,
+ resolve_ctx, c->event_ctx);
+
+ if (state->creq == NULL) goto failed;
+
+ state->creq->async.private_data = c;
+ state->creq->async.fn = fsinfo_composite_handler;
+
+ return c;
+failed:
+ talloc_free(c);
+ return NULL;
+}
+
+/*
+ composite fsinfo call - recv side
+*/
+NTSTATUS smb_composite_fsinfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS status;
+
+ status = composite_wait(c);
+
+ if (NT_STATUS_IS_OK(status)) {
+ struct fsinfo_state *state = talloc_get_type(c->private_data, struct fsinfo_state);
+ talloc_steal(mem_ctx, state->io->out.fsinfo);
+ }
+
+ talloc_free(c);
+ return status;
+}
+
+
+/*
+ composite fsinfo call - sync interface
+*/
+NTSTATUS smb_composite_fsinfo(struct smbcli_tree *tree,
+ TALLOC_CTX *mem_ctx,
+ struct smb_composite_fsinfo *io,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *ev)
+{
+ struct composite_context *c = smb_composite_fsinfo_send(tree, io, resolve_ctx, ev);
+ return smb_composite_fsinfo_recv(c, mem_ctx);
+}
+