4 * Copyright (c) 1987-2010 by the citadel.org team
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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include <sys/types.h>
32 #if TIME_WITH_SYS_TIME
33 # include <sys/time.h>
37 # include <sys/time.h>
47 #include <libcitadel.h>
50 #include "sysdep_decls.h"
51 #include "citserver.h"
58 #include "internet_addressing.h"
59 #include "imap_tools.h"
60 #include "serv_imap.h"
61 #include "imap_fetch.h"
62 #include "imap_misc.h"
64 #include "ctdl_module.h"
71 * imap_copy() calls imap_do_copy() to do its actual work, once it's
72 * validated and boiled down the request a bit. (returns 0 on success)
74 int imap_do_copy(const char *destination_folder) {
76 char roomname[ROOMNAMELEN];
77 struct ctdlroom qrbuf;
78 long *selected_msgs = NULL;
81 if (IMAP->num_msgs < 1) {
85 i = imap_grabroom(roomname, destination_folder, 1);
86 if (i != 0) return(i);
89 * Copy all the message pointers in one shot.
91 selected_msgs = malloc(sizeof(long) * IMAP->num_msgs);
92 if (selected_msgs == NULL) return(-1);
94 for (i = 0; i < IMAP->num_msgs; ++i) {
95 if (IMAP->flags[i] & IMAP_SELECTED) {
96 selected_msgs[num_selected++] = IMAP->msgids[i];
100 if (num_selected > 0) {
101 CtdlSaveMsgPointersInRoom(roomname, selected_msgs, num_selected, 1, NULL, 0);
105 /* Don't bother wasting any more time if there were no messages. */
106 if (num_selected == 0) {
110 /* Enumerate lists of messages for which flags are toggled */
111 long *seen_yes = NULL;
112 int num_seen_yes = 0;
113 long *seen_no = NULL;
115 long *answ_yes = NULL;
116 int num_answ_yes = 0;
117 long *answ_no = NULL;
120 seen_yes = malloc(num_selected * sizeof(long));
121 seen_no = malloc(num_selected * sizeof(long));
122 answ_yes = malloc(num_selected * sizeof(long));
123 answ_no = malloc(num_selected * sizeof(long));
125 for (i = 0; i < IMAP->num_msgs; ++i) {
126 if (IMAP->flags[i] & IMAP_SELECTED) {
127 if (IMAP->flags[i] & IMAP_SEEN) {
128 seen_yes[num_seen_yes++] = IMAP->msgids[i];
130 if ((IMAP->flags[i] & IMAP_SEEN) == 0) {
131 seen_no[num_seen_no++] = IMAP->msgids[i];
133 if (IMAP->flags[i] & IMAP_ANSWERED) {
134 answ_yes[num_answ_yes++] = IMAP->msgids[i];
136 if ((IMAP->flags[i] & IMAP_ANSWERED) == 0) {
137 answ_no[num_answ_no++] = IMAP->msgids[i];
142 /* Set the flags... */
143 i = CtdlGetRoom(&qrbuf, roomname);
145 CtdlSetSeen(seen_yes, num_seen_yes, 1, ctdlsetseen_seen, NULL, &qrbuf);
146 CtdlSetSeen(seen_no, num_seen_no, 0, ctdlsetseen_seen, NULL, &qrbuf);
147 CtdlSetSeen(answ_yes, num_answ_yes, 1, ctdlsetseen_answered, NULL, &qrbuf);
148 CtdlSetSeen(answ_no, num_answ_no, 0, ctdlsetseen_answered, NULL, &qrbuf);
161 * Output the [COPYUID xxx yyy] response code required by RFC2359
162 * to tell the client the UID's of the messages that were copied (if any).
163 * We are assuming that the IMAP_SELECTED flag is still set on any relevant
164 * messages in our source room. Since the Citadel system uses UID's that
165 * are both globally unique and persistent across a room-to-room copy, we
166 * can get this done quite easily.
168 void imap_output_copyuid_response(void) {
172 for (i = 0; i < IMAP->num_msgs; ++i) {
173 if (IMAP->flags[i] & IMAP_SELECTED) {
175 if (num_output == 1) {
176 cprintf("[COPYUID ");
178 else if (num_output > 1) {
181 cprintf("%ld", IMAP->msgids[i]);
184 if (num_output > 0) {
191 * This function is called by the main command loop.
193 void imap_copy(int num_parms, ConstStr *Params) {
196 if (num_parms != 4) {
197 cprintf("%s BAD invalid parameters\r\n", Params[0].Key);
201 if (imap_is_message_set(Params[2].Key)) {
202 imap_pick_range(Params[2].Key, 0);
205 cprintf("%s BAD invalid parameters\r\n", Params[0].Key);
209 ret = imap_do_copy(Params[3].Key);
211 cprintf("%s OK ", Params[0].Key);
212 imap_output_copyuid_response();
213 cprintf("COPY completed\r\n");
216 cprintf("%s NO COPY failed (error %d)\r\n", Params[0].Key, ret);
221 * This function is called by the main command loop.
223 void imap_uidcopy(int num_parms, ConstStr *Params) {
225 if (num_parms != 5) {
226 cprintf("%s BAD invalid parameters\r\n", Params[0].Key);
230 if (imap_is_message_set(Params[3].Key)) {
231 imap_pick_range(Params[3].Key, 1);
234 cprintf("%s BAD invalid parameters\r\n", Params[0].Key);
238 if (imap_do_copy(Params[4].Key) == 0) {
239 cprintf("%s OK ", Params[0].Key);
240 imap_output_copyuid_response();
241 cprintf("UID COPY completed\r\n");
244 cprintf("%s NO UID COPY failed\r\n", Params[0].Key);
250 * imap_do_append_flags() is called by imap_append() to set any flags that
251 * the client specified at append time.
253 * FIXME find a way to do these in bulk so we don't max out our db journal
255 void imap_do_append_flags(long new_msgnum, char *new_message_flags) {
257 char this_flag[sizeof flags];
260 if (new_message_flags == NULL) return;
261 if (IsEmptyStr(new_message_flags)) return;
263 safestrncpy(flags, new_message_flags, sizeof flags);
265 for (i=0; i<num_tokens(flags, ' '); ++i) {
266 extract_token(this_flag, flags, i, ' ', sizeof this_flag);
267 if (this_flag[0] == '\\') strcpy(this_flag, &this_flag[1]);
268 if (!strcasecmp(this_flag, "Seen")) {
269 CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_seen,
272 if (!strcasecmp(this_flag, "Answered")) {
273 CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_answered,
281 * This function is called by the main command loop.
283 void imap_append(int num_parms, ConstStr *Params) {
285 long bytes_transferred;
286 struct CtdlMessage *msg = NULL;
287 long new_msgnum = (-1L);
289 char roomname[ROOMNAMELEN];
291 char savedroom[ROOMNAMELEN];
294 char new_message_flags[SIZ];
298 cprintf("%s BAD usage error\r\n", Params[0].Key);
302 if ( (Params[num_parms-1].Key[0] != '{')
303 || (Params[num_parms-1].Key[Params[num_parms-1].len-1] != '}') ) {
304 cprintf("%s BAD no message literal supplied\r\n", Params[0].Key);
308 strcpy(new_message_flags, "");
309 if (num_parms >= 5) {
310 for (i=3; i<num_parms; ++i) {
311 strcat(new_message_flags, Params[i].Key);
312 strcat(new_message_flags, " ");
314 stripallbut(new_message_flags, '(', ')');
317 /* This is how we'd do this if it were relevant in our data store.
318 * if (num_parms >= 6) {
319 * new_message_internaldate = parms[4];
323 literal_length = atol(&Params[num_parms-1].Key[1]);
324 if (literal_length < 1) {
325 cprintf("%s BAD Message length must be at least 1.\r\n",
331 imap_free_transmitted_message(); /* just in case. */
333 Imap->TransmittedMessage = NewStrBufPlain(NULL, literal_length);
335 if (Imap->TransmittedMessage == NULL) {
336 cprintf("%s NO Cannot allocate memory.\r\n", Params[0].Key);
340 cprintf("+ Transmit message now.\r\n");
342 bytes_transferred = 0;
343 client_read_blob(Imap->TransmittedMessage, literal_length, config.c_sleeping);
345 if ((ret < 0) || (StrLength(Imap->TransmittedMessage) < literal_length)) {
346 cprintf("%s NO Read failed.\r\n", Params[0].Key);
350 /* Client will transmit a trailing CRLF after the literal (the message
351 * text) is received. This call to client_getln() absorbs it.
354 client_getln(buf, sizeof buf);
356 /* Convert RFC822 newlines (CRLF) to Unix newlines (LF) */
357 CtdlLogPrintf(CTDL_DEBUG, "Converting CRLF to LF\n");
358 StrBufToUnixLF(Imap->TransmittedMessage);
360 CtdlLogPrintf(CTDL_DEBUG, "Converting message format\n");
361 msg = convert_internet_message_buf(&Imap->TransmittedMessage);
363 ret = imap_grabroom(roomname, Params[2].Key, 1);
365 cprintf("%s NO Invalid mailbox name or access denied\r\n",
371 * CtdlUserGoto() formally takes us to the desired room. (If another
372 * folder is selected, save its name so we can return there!!!!!)
374 if (Imap->selected) {
375 strcpy(savedroom, CC->room.QRname);
377 CtdlUserGoto(roomname, 0, 0, &msgs, &new);
379 /* If the user is locally authenticated, FORCE the From: header to
380 * show up as the real sender. FIXME do we really want to do this?
381 * Probably should make it site-definable or even room-definable.
383 * For now, we allow "forgeries" if the room is one of the user's
387 if ( ((CC->room.QRflags & QR_MAILBOX) == 0) && (config.c_imap_keep_from == 0)) {
388 if (msg->cm_fields['A'] != NULL) free(msg->cm_fields['A']);
389 if (msg->cm_fields['N'] != NULL) free(msg->cm_fields['N']);
390 if (msg->cm_fields['H'] != NULL) free(msg->cm_fields['H']);
391 msg->cm_fields['A'] = strdup(CC->user.fullname);
392 msg->cm_fields['N'] = strdup(config.c_nodename);
393 msg->cm_fields['H'] = strdup(config.c_humannode);
400 ret = CtdlDoIHavePermissionToPostInThisRoom(buf, sizeof buf, NULL, POST_LOGGED_IN);
403 /* Nope ... print an error message */
404 cprintf("%s NO %s\r\n", Params[0].Key, buf);
408 /* Yes ... go ahead and post! */
410 new_msgnum = CtdlSubmitMsg(msg, NULL, "", 0);
412 if (new_msgnum >= 0L) {
413 cprintf("%s OK [APPENDUID %ld %ld] APPEND completed\r\n",
414 Params[0].Key, GLOBAL_UIDVALIDITY_VALUE, new_msgnum);
417 cprintf("%s BAD Error %ld saving message to disk.\r\n",
418 Params[0].Key, new_msgnum);
423 * IMAP protocol response to client has already been sent by now.
425 * If another folder is selected, go back to that room so we can resume
426 * our happy day without violent explosions.
428 if (Imap->selected) {
429 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
432 /* We don't need this buffer anymore */
433 CtdlFreeMessage(msg);
435 if (new_message_flags != NULL) {
436 imap_do_append_flags(new_msgnum, new_message_flags);