2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1992-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 This file handles the messaging system calls for winpopup style
27 extern userdom_struct current_user_info;
35 static struct msg_state *smbd_msg_state;
37 /****************************************************************************
39 ****************************************************************************/
41 static void msg_deliver(struct msg_state *state)
43 TALLOC_CTX *frame = talloc_stackframe();
53 if (! (*lp_msg_command())) {
54 DEBUG(1,("no messaging command specified\n"));
58 /* put it in a temporary file */
59 name = talloc_asprintf(talloc_tos(), "%s/msg.XXXXXX", tmpdir());
63 fd = smb_mkstemp(name);
66 DEBUG(1, ("can't open message file %s: %s\n", name,
72 * Incoming message is in DOS codepage format. Convert to UNIX.
75 if (!convert_string_talloc(talloc_tos(), CH_DOS, CH_UNIX, state->msg,
76 talloc_get_size(state->msg), (void *)&msg,
78 DEBUG(3, ("Conversion failed, delivering message in DOS "
79 "codepage format\n"));
83 for (i = 0; i < len; i++) {
84 if ((msg[i] == '\r') &&
85 (i < (len-1)) && (msg[i+1] == '\n')) {
88 sz = write(fd, &msg[i], 1);
90 DEBUG(0, ("Write error to fd %d: %ld(%s)\n", fd,
91 (long)sz, strerror(errno)));
98 s = talloc_strdup(talloc_tos(), lp_msg_command());
103 alpha_strcpy(alpha_buf, state->from, NULL, sizeof(alpha_buf));
105 s = talloc_string_sub(talloc_tos(), s, "%f", alpha_buf);
110 alpha_strcpy(alpha_buf, state->to, NULL, sizeof(alpha_buf));
112 s = talloc_string_sub(talloc_tos(), s, "%t", alpha_buf);
117 s = talloc_sub_basic(talloc_tos(), current_user_info.smb_name,
118 current_user_info.domain, s);
123 s = talloc_string_sub(talloc_tos(), s, "%s", name);
134 /****************************************************************************
136 conn POINTER CAN BE NULL HERE !
137 ****************************************************************************/
139 void reply_sends(struct smb_request *req)
141 struct msg_state *state;
146 START_PROFILE(SMBsends);
148 if (!(*lp_msg_command())) {
149 reply_doserror(req, ERRSRV, ERRmsgoff);
150 END_PROFILE(SMBsends);
154 state = talloc(talloc_tos(), struct msg_state);
156 p = (const char *)req->buf + 1;
157 p += srvstr_pull_req_talloc(
158 state, req, &state->from, p, STR_ASCII|STR_TERMINATE) + 1;
159 p += srvstr_pull_req_talloc(
160 state, req, &state->to, p, STR_ASCII|STR_TERMINATE) + 1;
165 len = MIN(len, smbreq_bufrem(req, msg+2));
167 state->msg = talloc_array(state, char, len);
169 if (state->msg == NULL) {
170 reply_nterror(req, NT_STATUS_NO_MEMORY);
171 END_PROFILE(SMBsends);
175 memcpy(state->msg, msg+2, len);
179 reply_outbuf(req, 0, 0);
181 END_PROFILE(SMBsends);
185 /****************************************************************************
187 conn POINTER CAN BE NULL HERE !
188 ****************************************************************************/
190 void reply_sendstrt(struct smb_request *req)
194 START_PROFILE(SMBsendstrt);
196 if (!(*lp_msg_command())) {
197 reply_doserror(req, ERRSRV, ERRmsgoff);
198 END_PROFILE(SMBsendstrt);
202 TALLOC_FREE(smbd_msg_state);
204 smbd_msg_state = TALLOC_ZERO_P(NULL, struct msg_state);
206 if (smbd_msg_state == NULL) {
207 reply_nterror(req, NT_STATUS_NO_MEMORY);
208 END_PROFILE(SMBsendstrt);
212 p = (const char *)req->buf+1;
213 p += srvstr_pull_req_talloc(
214 smbd_msg_state, req, &smbd_msg_state->from, p,
215 STR_ASCII|STR_TERMINATE) + 1;
216 p += srvstr_pull_req_talloc(
217 smbd_msg_state, req, &smbd_msg_state->to, p,
218 STR_ASCII|STR_TERMINATE) + 1;
220 DEBUG( 3, ( "SMBsendstrt (from %s to %s)\n", smbd_msg_state->from,
221 smbd_msg_state->to ) );
223 reply_outbuf(req, 0, 0);
225 END_PROFILE(SMBsendstrt);
229 /****************************************************************************
231 conn POINTER CAN BE NULL HERE !
232 ****************************************************************************/
234 void reply_sendtxt(struct smb_request *req)
241 START_PROFILE(SMBsendtxt);
243 if (! (*lp_msg_command())) {
244 reply_doserror(req, ERRSRV, ERRmsgoff);
245 END_PROFILE(SMBsendtxt);
249 if (smbd_msg_state == NULL) {
250 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
251 END_PROFILE(SMBsendtxt);
255 msg = (const char *)req->buf + 1;
257 old_len = talloc_get_size(smbd_msg_state->msg);
259 len = MIN(SVAL(msg, 0), smbreq_bufrem(req, msg+2));
261 tmp = TALLOC_REALLOC_ARRAY(smbd_msg_state, smbd_msg_state->msg,
262 char, old_len + len);
265 reply_nterror(req, NT_STATUS_NO_MEMORY);
266 END_PROFILE(SMBsendtxt);
270 smbd_msg_state->msg = tmp;
272 memcpy(&smbd_msg_state->msg[old_len], msg+2, len);
274 DEBUG( 3, ( "SMBsendtxt\n" ) );
276 reply_outbuf(req, 0, 0);
278 END_PROFILE(SMBsendtxt);
282 /****************************************************************************
284 conn POINTER CAN BE NULL HERE !
285 ****************************************************************************/
287 void reply_sendend(struct smb_request *req)
289 START_PROFILE(SMBsendend);
291 if (! (*lp_msg_command())) {
292 reply_doserror(req, ERRSRV, ERRmsgoff);
293 END_PROFILE(SMBsendend);
297 DEBUG(3,("SMBsendend\n"));
299 msg_deliver(smbd_msg_state);
301 TALLOC_FREE(smbd_msg_state);
303 reply_outbuf(req, 0, 0);
305 END_PROFILE(SMBsendend);