Do a NT1 plaintext session setup.
****************************************************************************/
-static NTSTATUS cli_session_setup_plaintext(struct cli_state *cli,
- const char *user, const char *pass,
- const char *workgroup)
-{
- uint32 capabilities = cli_session_setup_capabilities(cli);
- char *p;
- NTSTATUS status;
- fstring lanman;
+struct cli_session_setup_plain_state {
+ struct cli_state *cli;
+ uint16_t vwv[13];
+ const char *user;
+};
- fstr_sprintf( lanman, "Samba %s", samba_version_string());
+static void cli_session_setup_plain_done(struct tevent_req *subreq);
- memset(cli->outbuf, '\0', smb_size);
- cli_set_message(cli->outbuf,13,0,True);
- SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
- cli_setup_packet(cli);
+static struct tevent_req *cli_session_setup_plain_send(
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+ struct cli_state *cli,
+ const char *user, const char *pass, const char *workgroup)
+{
+ struct tevent_req *req, *subreq;
+ struct cli_session_setup_plain_state *state;
+ uint16_t *vwv;
+ uint8_t *bytes;
+ size_t passlen;
+ char *version;
- SCVAL(cli->outbuf,smb_vwv0,0xFF);
- SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
- SSVAL(cli->outbuf,smb_vwv3,2);
- SSVAL(cli->outbuf,smb_vwv4,cli->pid);
- SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
- SSVAL(cli->outbuf,smb_vwv8,0);
- SIVAL(cli->outbuf,smb_vwv11,capabilities);
- p = smb_buf(cli->outbuf);
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_session_setup_plain_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+ state->user = user;
+ vwv = state->vwv;
- /* check wether to send the ASCII or UNICODE version of the password */
+ SCVAL(vwv+0, 0, 0xff);
+ SCVAL(vwv+0, 1, 0);
+ SSVAL(vwv+1, 0, 0);
+ SSVAL(vwv+2, 0, CLI_BUFFER_SIZE);
+ SSVAL(vwv+3, 0, 2);
+ SSVAL(vwv+4, 0, cli->pid);
+ SIVAL(vwv+5, 0, cli->sesskey);
+ SSVAL(vwv+7, 0, 0);
+ SSVAL(vwv+8, 0, 0);
+ SSVAL(vwv+9, 0, 0);
+ SSVAL(vwv+10, 0, 0);
+ SIVAL(vwv+11, 0, cli_session_setup_capabilities(cli));
- if ( (capabilities & CAP_UNICODE) == 0 ) {
- p += clistr_push(cli, p, pass, -1, STR_TERMINATE); /* password */
- SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
+ bytes = talloc_array(state, uint8_t, 0);
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), pass, strlen(pass)+1,
+ &passlen);
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
}
- else {
- /* For ucs2 passwords clistr_push calls ucs2_align, which causes
- * the space taken by the unicode password to be one byte too
- * long (as we're on an odd byte boundary here). Reduce the
- * count by 1 to cope with this. Fixes smbclient against NetApp
- * servers which can't cope. Fix from
- * bryan.kolodziej@allenlund.com in bug #3840.
- */
- p += clistr_push(cli, p, pass, -1, STR_UNICODE|STR_TERMINATE); /* unicode password */
- SSVAL(cli->outbuf,smb_vwv8,PTR_DIFF(p, smb_buf(cli->outbuf))-1);
+ SSVAL(vwv + (cli_ucs2(cli) ? 8 : 7), 0, passlen);
+
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
+ user, strlen(user)+1, NULL);
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
+ workgroup, strlen(workgroup)+1, NULL);
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
+ "Unix", 5, NULL);
+
+ version = talloc_asprintf(talloc_tos(), "Samba %s",
+ samba_version_string());
+ if (tevent_req_nomem(version, req)){
+ return tevent_req_post(req, ev);
}
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
+ version, strlen(version)+1, NULL);
+ TALLOC_FREE(version);
- p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
- p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
- p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
- p += clistr_push(cli, p, lanman, -1, STR_TERMINATE);
- cli_setup_bcc(cli, p);
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
+ }
- if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
- return cli_nt_error(cli);
+ subreq = cli_smb_send(state, ev, cli, SMBsesssetupX, 0, 13, vwv,
+ talloc_get_size(bytes), bytes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
}
+ tevent_req_set_callback(subreq, cli_session_setup_plain_done, req);
+ return req;
+}
- show_msg(cli->inbuf);
+static void cli_session_setup_plain_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_session_setup_plain_state *state = tevent_req_data(
+ req, struct cli_session_setup_plain_state);
+ struct cli_state *cli = state->cli;
+ uint32_t num_bytes;
+ uint8_t *in;
+ char *inbuf;
+ uint8_t *bytes;
+ uint8_t *p;
+ NTSTATUS status;
- if (cli_is_error(cli)) {
- return cli_nt_error(cli);
+ status = cli_smb_recv(subreq, state, &in, 0, NULL, NULL,
+ &num_bytes, &bytes);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
}
- cli->vuid = SVAL(cli->inbuf,smb_uid);
- p = smb_buf(cli->inbuf);
- p += clistr_pull(cli->inbuf, cli->server_os, p, sizeof(fstring),
- -1, STR_TERMINATE);
- p += clistr_pull(cli->inbuf, cli->server_type, p, sizeof(fstring),
- -1, STR_TERMINATE);
- p += clistr_pull(cli->inbuf, cli->server_domain, p, sizeof(fstring),
- -1, STR_TERMINATE);
- status = cli_set_username(cli, user);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ inbuf = (char *)in;
+ p = bytes;
+
+ cli->vuid = SVAL(inbuf, smb_uid);
+
+ p += clistr_pull(inbuf, cli->server_os, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
+ p += clistr_pull(inbuf, cli->server_type, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
+ p += clistr_pull(inbuf, cli->server_domain, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
+
+ status = cli_set_username(cli, state->user);
+ if (tevent_req_nterror(req, status)) {
+ return;
}
if (strstr(cli->server_type, "Samba")) {
cli->is_samba = True;
}
+ tevent_req_done(req);
+}
- return NT_STATUS_OK;
+static NTSTATUS cli_session_setup_plain_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+static NTSTATUS cli_session_setup_plain(struct cli_state *cli,
+ const char *user, const char *pass,
+ const char *workgroup)
+{
+ 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_session_setup_plain_send(frame, ev, cli, user, pass,
+ workgroup);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = cli_session_setup_plain_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ if (!NT_STATUS_IS_OK(status)) {
+ cli_set_error(cli, status);
+ }
+ return status;
}
/****************************************************************************
connect */
if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
- return cli_session_setup_plaintext(cli, user, "", workgroup);
+ return cli_session_setup_plain(cli, user, "", workgroup);
/* if the server doesn't support encryption then we have to use
plaintext. The second password is ignored */
" or 'client ntlmv2 auth = yes'\n"));
return NT_STATUS_ACCESS_DENIED;
}
- return cli_session_setup_plaintext(cli, user, pass, workgroup);
+ return cli_session_setup_plain(cli, user, pass, workgroup);
}
/* if the server supports extended security then use SPNEGO */
git.samba.org / metze / samba / wip.git / commitdiff