2 * Copyright (c) 1987-2011 by the citadel.org team
4 * This program is open source software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include <sys/types.h>
30 #if TIME_WITH_SYS_TIME
31 # include <sys/time.h>
35 # include <sys/time.h>
45 #include <libcitadel.h>
48 #include "sysdep_decls.h"
49 #include "citserver.h"
56 #include "internet_addressing.h"
57 #include "serv_imap.h"
58 #include "imap_tools.h"
59 #include "imap_fetch.h"
60 #include "imap_misc.h"
62 #include "ctdl_module.h"
69 * imap_copy() calls imap_do_copy() to do its actual work, once it's
70 * validated and boiled down the request a bit. (returns 0 on success)
72 int imap_do_copy(const char *destination_folder) {
75 char roomname[ROOMNAMELEN];
76 struct ctdlroom qrbuf;
77 long *selected_msgs = NULL;
80 if (Imap->num_msgs < 1) {
84 i = imap_grabroom(roomname, destination_folder, 1);
85 if (i != 0) return(i);
88 * Copy all the message pointers in one shot.
90 selected_msgs = malloc(sizeof(long) * Imap->num_msgs);
91 if (selected_msgs == NULL) return(-1);
93 for (i = 0; i < Imap->num_msgs; ++i) {
94 if (Imap->flags[i] & IMAP_SELECTED) {
95 selected_msgs[num_selected++] = Imap->msgids[i];
99 if (num_selected > 0) {
100 CtdlSaveMsgPointersInRoom(roomname, selected_msgs, num_selected, 1, NULL, 0);
104 /* Don't bother wasting any more time if there were no messages. */
105 if (num_selected == 0) {
109 /* Enumerate lists of messages for which flags are toggled */
110 long *seen_yes = NULL;
111 int num_seen_yes = 0;
112 long *seen_no = NULL;
114 long *answ_yes = NULL;
115 int num_answ_yes = 0;
116 long *answ_no = NULL;
119 seen_yes = malloc(num_selected * sizeof(long));
120 seen_no = malloc(num_selected * sizeof(long));
121 answ_yes = malloc(num_selected * sizeof(long));
122 answ_no = malloc(num_selected * sizeof(long));
124 for (i = 0; i < Imap->num_msgs; ++i) {
125 if (Imap->flags[i] & IMAP_SELECTED) {
126 if (Imap->flags[i] & IMAP_SEEN) {
127 seen_yes[num_seen_yes++] = Imap->msgids[i];
129 if ((Imap->flags[i] & IMAP_SEEN) == 0) {
130 seen_no[num_seen_no++] = Imap->msgids[i];
132 if (Imap->flags[i] & IMAP_ANSWERED) {
133 answ_yes[num_answ_yes++] = Imap->msgids[i];
135 if ((Imap->flags[i] & IMAP_ANSWERED) == 0) {
136 answ_no[num_answ_no++] = Imap->msgids[i];
141 /* Set the flags... */
142 i = CtdlGetRoom(&qrbuf, roomname);
144 CtdlSetSeen(seen_yes, num_seen_yes, 1, ctdlsetseen_seen, NULL, &qrbuf);
145 CtdlSetSeen(seen_no, num_seen_no, 0, ctdlsetseen_seen, NULL, &qrbuf);
146 CtdlSetSeen(answ_yes, num_answ_yes, 1, ctdlsetseen_answered, NULL, &qrbuf);
147 CtdlSetSeen(answ_no, num_answ_no, 0, ctdlsetseen_answered, NULL, &qrbuf);
160 * Output the [COPYUID xxx yyy] response code required by RFC2359
161 * to tell the client the UID's of the messages that were copied (if any).
162 * We are assuming that the IMAP_SELECTED flag is still set on any relevant
163 * messages in our source room. Since the Citadel system uses UID's that
164 * are both globally unique and persistent across a room-to-room copy, we
165 * can get this done quite easily.
167 void imap_output_copyuid_response(void) {
168 citimap *Imap = IMAP;
172 for (i = 0; i < Imap->num_msgs; ++i) {
173 if (Imap->flags[i] & IMAP_SELECTED) {
175 if (num_output == 1) {
178 else if (num_output > 1) {
181 IAPrintf("%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 IReply("BAD invalid parameters");
201 if (imap_is_message_set(Params[2].Key)) {
202 imap_pick_range(Params[2].Key, 0);
205 IReply("BAD invalid parameters");
209 ret = imap_do_copy(Params[3].Key);
211 IAPrintf("%s OK ", Params[0].Key);
212 imap_output_copyuid_response();
213 IAPuts("COPY completed\r\n");
216 IReplyPrintf("NO COPY failed (error %d)", 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 IReply("BAD invalid parameters");
230 if (imap_is_message_set(Params[3].Key)) {
231 imap_pick_range(Params[3].Key, 1);
234 IReply("BAD invalid parameters");
238 if (imap_do_copy(Params[4].Key) == 0) {
239 IAPrintf("%s OK ", Params[0].Key);
240 imap_output_copyuid_response();
241 IAPuts("UID COPY completed\r\n");
244 IReply("NO UID COPY failed");
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) {
284 struct CitContext *CCC = CC;
286 struct CtdlMessage *msg = NULL;
287 long new_msgnum = (-1L);
289 char roomname[ROOMNAMELEN];
292 char savedroom[ROOMNAMELEN];
295 char new_message_flags[SIZ];
299 IReply("BAD usage error");
303 if ( (Params[num_parms-1].Key[0] != '{')
304 || (Params[num_parms-1].Key[Params[num_parms-1].len-1] != '}') ) {
305 IReply("BAD no message literal supplied");
309 strcpy(new_message_flags, "");
310 if (num_parms >= 5) {
311 for (i=3; i<num_parms; ++i) {
312 strcat(new_message_flags, Params[i].Key);
313 strcat(new_message_flags, " ");
315 stripallbut(new_message_flags, '(', ')');
318 /* This is how we'd do this if it were relevant in our data store.
319 * if (num_parms >= 6) {
320 * new_message_internaldate = parms[4];
324 literal_length = atol(&Params[num_parms-1].Key[1]);
325 if (literal_length < 1) {
326 IReply("BAD Message length must be at least 1.");
331 imap_free_transmitted_message(); /* just in case. */
333 Imap->TransmittedMessage = NewStrBufPlain(NULL, literal_length);
335 if (Imap->TransmittedMessage == NULL) {
336 IReply("NO Cannot allocate memory.");
340 IAPrintf("+ Transmit message now.\r\n");
344 client_read_blob(Imap->TransmittedMessage, literal_length, config.c_sleeping);
346 if ((ret < 0) || (StrLength(Imap->TransmittedMessage) < literal_length)) {
347 IReply("NO Read failed.");
351 /* Client will transmit a trailing CRLF after the literal (the message
352 * text) is received. This call to client_getln() absorbs it.
355 client_getln(dummy, sizeof dummy);
357 /* Convert RFC822 newlines (CRLF) to Unix newlines (LF) */
358 IMAPM_syslog(LOG_DEBUG, "Converting CRLF to LF");
359 StrBufToUnixLF(Imap->TransmittedMessage);
361 IMAPM_syslog(LOG_DEBUG, "Converting message format");
362 msg = convert_internet_message_buf(&Imap->TransmittedMessage);
364 ret = imap_grabroom(roomname, Params[2].Key, 1);
366 IReply("NO Invalid mailbox name or access denied");
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, CCC->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
386 if (CCC->logged_in) {
387 if ( ((CCC->room.QRflags & QR_MAILBOX) == 0) && (config.c_imap_keep_from == 0)) {
389 CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
390 CM_SetField(msg, eNodeName, CFG_KEY(c_nodename));
391 CM_SetField(msg, eHumanNode, CFG_KEY(c_humannode));
398 ret = CtdlDoIHavePermissionToPostInThisRoom(errbuf, sizeof errbuf, NULL, POST_LOGGED_IN, 0);
401 /* Nope ... print an error message */
402 IReplyPrintf("NO %s", errbuf);
406 /* Yes ... go ahead and post! */
408 new_msgnum = CtdlSubmitMsg(msg, NULL, "", 0);
410 if (new_msgnum >= 0L) {
411 IReplyPrintf("OK [APPENDUID %ld %ld] APPEND completed",
412 GLOBAL_UIDVALIDITY_VALUE, new_msgnum);
415 IReplyPrintf("BAD Error %ld saving message to disk.",
421 * IMAP protocol response to client has already been sent by now.
423 * If another folder is selected, go back to that room so we can resume
424 * our happy day without violent explosions.
426 if (Imap->selected) {
427 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
430 /* We don't need this buffer anymore */
433 if (new_message_flags != NULL) {
434 imap_do_append_flags(new_msgnum, new_message_flags);