--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ smb2 lib
+ Copyright (C) Volker Lendecke 2011
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "client.h"
+#include "async_smb.h"
+#include "smb2cli_base.h"
+#include "smb2cli.h"
+#include "libsmb/proto.h"
+#include "lib/util/tevent_ntstatus.h"
+
+struct smb2cli_tcon_state {
+ struct cli_state *cli;
+ uint8_t fixed[8];
+};
+
+static void smb2cli_tcon_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_tcon_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli,
+ const char *share)
+{
+ struct tevent_req *req, *subreq;
+ struct smb2cli_tcon_state *state;
+ uint8_t *fixed;
+ char srv_ip[INET6_ADDRSTRLEN];
+ const char *tcon_share;
+ uint8_t *dyn;
+ size_t dyn_len;
+
+ req = tevent_req_create(mem_ctx, &state, struct smb2cli_tcon_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+
+ print_sockaddr(srv_ip, sizeof(srv_ip), &cli->dest_ss);
+
+ tcon_share = talloc_asprintf(talloc_tos(), "\\\\%s\\%s",
+ srv_ip, share);
+ if (tevent_req_nomem(tcon_share, req)) {
+ return tevent_req_post(req, ev);
+ }
+ if (!convert_string_talloc(state, CH_UNIX, CH_UTF16,
+ tcon_share, talloc_get_size(tcon_share),
+ &dyn, &dyn_len)) {
+ tevent_req_nomem(NULL, req);
+ return tevent_req_post(req, ev);
+ }
+
+ fixed = state->fixed;
+ SSVAL(fixed, 0, 9);
+ SSVAL(fixed, 4, SMB2_HDR_BODY + 8);
+ SSVAL(fixed, 6, dyn_len);
+
+ subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_TCON, 0,
+ state->fixed, sizeof(state->fixed),
+ dyn, dyn_len);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smb2cli_tcon_done, req);
+ return req;
+}
+
+static void smb2cli_tcon_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct smb2cli_tcon_state *state = tevent_req_data(
+ req, struct smb2cli_tcon_state);
+ struct cli_state *cli = state->cli;
+ NTSTATUS status;
+ struct iovec *iov;
+ uint8_t *body;
+
+ status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 16);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(subreq);
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ cli->smb2.tid = IVAL(iov[0].iov_base, SMB2_HDR_TID);
+
+ body = (uint8_t *)iov[1].iov_base;
+ cli->smb2.share_type = CVAL(body, 2);
+ cli->smb2.share_flags = IVAL(body, 4);
+ cli->capabilities = IVAL(body, 8);
+ cli->smb2.maximal_access = IVAL(body, 12);
+
+ TALLOC_FREE(subreq);
+ tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_tcon_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS smb2cli_tcon(struct cli_state *cli, const char *share)
+{
+ 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 = smb2cli_tcon_send(frame, ev, cli, share);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = smb2cli_tcon_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
+
+struct smb2cli_tdis_state {
+ uint8_t fixed[4];
+};
+
+static void smb2cli_tdis_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli)
+{
+ struct tevent_req *req, *subreq;
+ struct smb2cli_tdis_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smb2cli_tdis_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ SSVAL(state->fixed, 0, 4);
+
+ subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_TDIS, 0,
+ state->fixed, sizeof(state->fixed),
+ NULL, 0);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smb2cli_tdis_done, req);
+ return req;
+}
+
+static void smb2cli_tdis_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ NTSTATUS status;
+ struct iovec *iov;
+
+ status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 4);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_tdis_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS smb2cli_tdis(struct cli_state *cli)
+{
+ 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 = smb2cli_tdis_send(frame, ev, cli);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = smb2cli_tdis_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / samba.git / commitdiff