2 a composite API for quering file system information
6 #include "libcli/raw/libcliraw.h"
7 #include "libcli/raw/raw_proto.h"
8 #include "libcli/composite/composite.h"
9 #include "libcli/smb_composite/smb_composite.h"
10 #include "libcli/resolve/resolve.h"
12 /* the stages of this call */
13 enum fsinfo_stage {FSINFO_CONNECT, FSINFO_QUERY};
16 static void fsinfo_raw_handler(struct smbcli_request *req);
17 static void fsinfo_composite_handler(struct composite_context *c);
18 static void fsinfo_state_handler(struct composite_context *c);
21 enum fsinfo_stage stage;
22 struct composite_context *creq;
23 struct smb_composite_fsinfo *io;
24 struct smb_composite_connect *connect;
25 union smb_fsinfo *fsinfo;
26 struct smbcli_tree *tree;
27 struct smbcli_request *req;
30 static NTSTATUS fsinfo_connect(struct composite_context *c,
31 struct smb_composite_fsinfo *io)
34 struct fsinfo_state *state;
35 state = talloc_get_type(c->private_data, struct fsinfo_state);
37 status = smb_composite_connect_recv(state->creq, c);
38 NT_STATUS_NOT_OK_RETURN(status);
40 state->fsinfo = talloc(state, union smb_fsinfo);
41 NT_STATUS_HAVE_NO_MEMORY(state->fsinfo);
43 state->fsinfo->generic.level = io->in.level;
45 state->req = smb_raw_fsinfo_send(state->connect->out.tree,
48 NT_STATUS_HAVE_NO_MEMORY(state->req);
50 state->req->async.private = c;
51 state->req->async.fn = fsinfo_raw_handler;
53 state->stage = FSINFO_QUERY;
58 static NTSTATUS fsinfo_query(struct composite_context *c,
59 struct smb_composite_fsinfo *io)
62 struct fsinfo_state *state;
63 state = talloc_get_type(c->private_data, struct fsinfo_state);
65 status = smb_raw_fsinfo_recv(state->req, state, state->fsinfo);
66 NT_STATUS_NOT_OK_RETURN(status);
68 state->io->out.fsinfo = state->fsinfo;
70 c->state = COMPOSITE_STATE_DONE;
80 handler for completion of a sub-request in fsinfo
82 static void fsinfo_state_handler(struct composite_context *creq)
84 struct fsinfo_state *state = talloc_get_type(creq->private_data, struct fsinfo_state);
86 /* when this handler is called, the stage indicates what
87 call has just finished */
88 switch (state->stage) {
90 creq->status = fsinfo_connect(creq, state->io);
94 creq->status = fsinfo_query(creq, state->io);
98 if (!NT_STATUS_IS_OK(creq->status)) {
99 creq->state = COMPOSITE_STATE_ERROR;
102 if (creq->state >= COMPOSITE_STATE_DONE && creq->async.fn) {
103 creq->async.fn(creq);
108 As raw and composite handlers take different requests, we need to handlers
109 to adapt both for the same state machine in fsinfo_state_handler()
111 static void fsinfo_raw_handler(struct smbcli_request *req)
113 struct composite_context *c = talloc_get_type(req->async.private,
114 struct composite_context);
115 fsinfo_state_handler(c);
118 static void fsinfo_composite_handler(struct composite_context *creq)
120 struct composite_context *c = talloc_get_type(creq->async.private_data,
121 struct composite_context);
122 fsinfo_state_handler(c);
126 composite fsinfo call - connects to a tree and queries a file system information
128 struct composite_context *smb_composite_fsinfo_send(struct smbcli_tree *tree,
129 struct smb_composite_fsinfo *io,
130 struct resolve_context *resolve_ctx)
132 struct composite_context *c;
133 struct fsinfo_state *state;
135 c = talloc_zero(tree, struct composite_context);
136 if (c == NULL) goto failed;
138 state = talloc(c, struct fsinfo_state);
139 if (state == NULL) goto failed;
143 state->connect = talloc(state, struct smb_composite_connect);
145 if (state->connect == NULL) goto failed;
147 state->connect->in.dest_host = io->in.dest_host;
148 state->connect->in.dest_ports = io->in.dest_ports;
149 state->connect->in.socket_options = io->in.socket_options;
150 state->connect->in.called_name = io->in.called_name;
151 state->connect->in.service = io->in.service;
152 state->connect->in.service_type = io->in.service_type;
153 state->connect->in.credentials = io->in.credentials;
154 state->connect->in.fallback_to_anonymous = false;
155 state->connect->in.workgroup = io->in.workgroup;
156 state->connect->in.iconv_convenience = io->in.iconv_convenience;
158 state->connect->in.options = tree->session->transport->options;
159 state->connect->in.session_options = tree->session->options;
161 c->state = COMPOSITE_STATE_IN_PROGRESS;
162 state->stage = FSINFO_CONNECT;
163 c->private_data = state;
165 state->creq = smb_composite_connect_send(state->connect, state,
166 resolve_ctx, c->event_ctx);
168 if (state->creq == NULL) goto failed;
170 state->creq->async.private_data = c;
171 state->creq->async.fn = fsinfo_composite_handler;
180 composite fsinfo call - recv side
182 NTSTATUS smb_composite_fsinfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx)
186 status = composite_wait(c);
188 if (NT_STATUS_IS_OK(status)) {
189 struct fsinfo_state *state = talloc_get_type(c->private_data, struct fsinfo_state);
190 talloc_steal(mem_ctx, state->io->out.fsinfo);
199 composite fsinfo call - sync interface
201 NTSTATUS smb_composite_fsinfo(struct smbcli_tree *tree,
203 struct smb_composite_fsinfo *io,
204 struct resolve_context *resolve_ctx)
206 struct composite_context *c = smb_composite_fsinfo_send(tree, io, resolve_ctx);
207 return smb_composite_fsinfo_recv(c, mem_ctx);