s3: Add async cli_qfileinfo

diff --git a/source3/include/proto.h b/source3/include/proto.h
index f935df7e3bdf1b0e2278362f638c6d05af0b50df..55e4e1b9e970fb8cb309f4e0126092b1fcea19d8 100644 (file)
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -2357,6 +2357,18 @@ NTSTATUS cli_qpathinfo(TALLOC_CTX *mem_ctx, struct cli_state *cli,
                       uint32_t max_rdata,
                       uint8_t **rdata, uint32_t *num_rdata);
 
+struct tevent_req *cli_qfileinfo_send(TALLOC_CTX *mem_ctx,
+                                     struct tevent_context *ev,
+                                     struct cli_state *cli, uint16_t fnum,
+                                     uint16_t level, uint32_t min_rdata,
+                                     uint32_t max_rdata);
+NTSTATUS cli_qfileinfo_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+                           uint8_t **rdata, uint32_t *num_rdata);
+NTSTATUS cli_qfileinfo(TALLOC_CTX *mem_ctx, struct cli_state *cli,
+                      uint16_t fnum, uint16_t level, uint32_t min_rdata,
+                      uint32_t max_rdata,
+                      uint8_t **rdata, uint32_t *num_rdata);
+
 struct tevent_req *cli_flush_send(TALLOC_CTX *mem_ctx,
                                  struct event_context *ev,
                                  struct cli_state *cli,

diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c
index ce8d7a593bfd59ffa249ed825fe05d2f2c5dffc5..75762f119ac29096a2f59d1e4764487b9d363655 100644 (file)
--- a/source3/libsmb/clifile.c
+++ b/source3/libsmb/clifile.c
@@ -5265,6 +5265,139 @@ NTSTATUS cli_qpathinfo(TALLOC_CTX *mem_ctx, struct cli_state *cli,
        return status;
 }
 
+struct cli_qfileinfo_state {
+       uint16_t setup[1];
+       uint8_t param[4];
+       uint8_t *data;
+       uint32_t min_rdata;
+       uint8_t *rdata;
+       uint32_t num_rdata;
+};
+
+static void cli_qfileinfo_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_qfileinfo_send(TALLOC_CTX *mem_ctx,
+                                     struct tevent_context *ev,
+                                     struct cli_state *cli, uint16_t fnum,
+                                     uint16_t level, uint32_t min_rdata,
+                                     uint32_t max_rdata)
+{
+       struct tevent_req *req, *subreq;
+       struct cli_qfileinfo_state *state;
+
+       req = tevent_req_create(mem_ctx, &state, struct cli_qfileinfo_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       state->min_rdata = min_rdata;
+       SSVAL(state->param, 0, fnum);
+       SSVAL(state->param, 2, level);
+       SSVAL(state->setup, 0, TRANSACT2_QFILEINFO);
+
+       subreq = cli_trans_send(
+               state,                  /* mem ctx. */
+               ev,                     /* event ctx. */
+               cli,                    /* cli_state. */
+               SMBtrans2,              /* cmd. */
+               NULL,                   /* pipe name. */
+               -1,                     /* fid. */
+               0,                      /* function. */
+               0,                      /* flags. */
+               state->setup,           /* setup. */
+               1,                      /* num setup uint16_t words. */
+               0,                      /* max returned setup. */
+               state->param,           /* param. */
+               sizeof(state->param),   /* num param. */
+               2,                      /* max returned param. */
+               NULL,                   /* data. */
+               0,                      /* num data. */
+               max_rdata);             /* max returned data. */
+
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, cli_qfileinfo_done, req);
+       return req;
+}
+
+static void cli_qfileinfo_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct cli_qfileinfo_state *state = tevent_req_data(
+               req, struct cli_qfileinfo_state);
+       NTSTATUS status;
+
+       status = cli_trans_recv(subreq, state, NULL, NULL, 0, NULL,
+                               NULL, 0, NULL,
+                               &state->rdata, state->min_rdata,
+                               &state->num_rdata);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+       tevent_req_done(req);
+}
+
+NTSTATUS cli_qfileinfo_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+                           uint8_t **rdata, uint32_t *num_rdata)
+{
+       struct cli_qfileinfo_state *state = tevent_req_data(
+               req, struct cli_qfileinfo_state);
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               return status;
+       }
+       if (rdata != NULL) {
+               *rdata = talloc_move(mem_ctx, &state->rdata);
+       } else {
+               TALLOC_FREE(state->rdata);
+       }
+       if (num_rdata != NULL) {
+               *num_rdata = state->num_rdata;
+       }
+       return NT_STATUS_OK;
+}
+
+NTSTATUS cli_qfileinfo(TALLOC_CTX *mem_ctx, struct cli_state *cli,
+                      uint16_t fnum, uint16_t level, uint32_t min_rdata,
+                      uint32_t max_rdata,
+                      uint8_t **rdata, uint32_t *num_rdata)
+{
+       TALLOC_CTX *frame = talloc_stackframe();
+       struct event_context *ev;
+       struct tevent_req *req;
+       NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+       if (cli_has_async_calls(cli)) {
+               /*
+                * Can't use sync call while an async call is in flight
+                */
+               status = NT_STATUS_INVALID_PARAMETER;
+               goto fail;
+       }
+       ev = event_context_init(frame);
+       if (ev == NULL) {
+               goto fail;
+       }
+       req = cli_qfileinfo_send(frame, ev, cli, fnum, level, min_rdata,
+                                max_rdata);
+       if (req == NULL) {
+               goto fail;
+       }
+       if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+               goto fail;
+       }
+       status = cli_qfileinfo_recv(req, mem_ctx, rdata, num_rdata);
+ fail:
+       TALLOC_FREE(frame);
+       if (!NT_STATUS_IS_OK(status)) {
+               cli_set_error(cli, status);
+       }
+       return status;
+}
+
 struct cli_flush_state {
        uint16_t vwv[1];
 };