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authorVolker Lendecke <vl@samba.org>2013-04-05 15:29:14 +0200
committerJeremy Allison <jra@samba.org>2013-04-11 14:45:50 -0700
commit6d1dc76952febd2b07dda0ec344c16c9464d27a8 (patch)
tree00f46266a066a71d2c8be678a6cea2cd3892c0e8 /source3/libsmb/cliconnect.c
parentc38dfebe5f5ef582a17833e12af95f25614de5ee (diff)
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libsmbclient: Make cli_raw_tcon async
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'source3/libsmb/cliconnect.c')
-rw-r--r--source3/libsmb/cliconnect.c98
1 files changed, 83 insertions, 15 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index bcc95ba0e6..f196941e9c 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -3178,22 +3178,33 @@ NTSTATUS cli_full_connection(struct cli_state **output_cli,
/****************************************************************************
Send an old style tcon.
****************************************************************************/
-NTSTATUS cli_raw_tcon(struct cli_state *cli,
- const char *service, const char *pass, const char *dev,
- uint16 *max_xmit, uint16 *tid)
-{
- struct tevent_req *req;
+struct cli_raw_tcon_state {
uint16_t *ret_vwv;
+};
+
+static void cli_raw_tcon_done(struct tevent_req *subreq);
+
+static struct tevent_req *cli_raw_tcon_send(
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
+ const char *service, const char *pass, const char *dev)
+{
+ struct tevent_req *req, *subreq;
+ struct cli_raw_tcon_state *state;
uint8_t *bytes;
- NTSTATUS status;
+
+ req = tevent_req_create(mem_ctx, &state, struct cli_raw_tcon_state);
+ if (req == NULL) {
+ return NULL;
+ }
if (!lp_client_plaintext_auth() && (*pass)) {
DEBUG(1, ("Server requested PLAINTEXT password but 'client plaintext auth = no'"
" or 'client ntlmv2 auth = yes'\n"));
- return NT_STATUS_ACCESS_DENIED;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
}
- bytes = talloc_array(talloc_tos(), uint8_t, 0);
+ bytes = talloc_array(state, uint8_t, 0);
bytes = smb_bytes_push_bytes(bytes, 4, NULL, 0);
bytes = smb_bytes_push_str(bytes, smbXcli_conn_use_unicode(cli->conn),
service, strlen(service)+1, NULL);
@@ -3204,19 +3215,76 @@ NTSTATUS cli_raw_tcon(struct cli_state *cli,
bytes = smb_bytes_push_str(bytes, smbXcli_conn_use_unicode(cli->conn),
dev, strlen(dev)+1, NULL);
- status = cli_smb(talloc_tos(), cli, SMBtcon, 0, 0, NULL,
- talloc_get_size(bytes), bytes, &req,
- 2, NULL, &ret_vwv, NULL, NULL);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ subreq = cli_smb_send(state, ev, cli, SMBtcon, 0, 0, NULL,
+ talloc_get_size(bytes), bytes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_raw_tcon_done, req);
+ return req;
+}
+
+static void cli_raw_tcon_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_raw_tcon_state *state = tevent_req_data(
+ req, struct cli_raw_tcon_state);
+ NTSTATUS status;
+
+ status = cli_smb_recv(subreq, state, NULL, 2, NULL, &state->ret_vwv,
+ NULL, NULL);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
}
+ tevent_req_done(req);
+}
- *max_xmit = SVAL(ret_vwv + 0, 0);
- *tid = SVAL(ret_vwv + 1, 0);
+static NTSTATUS cli_raw_tcon_recv(struct tevent_req *req,
+ uint16 *max_xmit, uint16 *tid)
+{
+ struct cli_raw_tcon_state *state = tevent_req_data(
+ req, struct cli_raw_tcon_state);
+ NTSTATUS status;
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *max_xmit = SVAL(state->ret_vwv + 0, 0);
+ *tid = SVAL(state->ret_vwv + 1, 0);
return NT_STATUS_OK;
}
+NTSTATUS cli_raw_tcon(struct cli_state *cli,
+ const char *service, const char *pass, const char *dev,
+ uint16 *max_xmit, uint16 *tid)
+{
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+ ev = samba_tevent_context_init(talloc_tos());
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = cli_raw_tcon_send(ev, ev, cli, service, pass, dev);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = cli_raw_tcon_recv(req, max_xmit, tid);
+fail:
+ TALLOC_FREE(ev);
+ return status;
+}
+
/* Return a cli_state pointing at the IPC$ share for the given server */
struct cli_state *get_ipc_connect(char *server,