2 * Copyright (c) 1987-2017 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.
24 #include <sys/types.h>
26 #if TIME_WITH_SYS_TIME
27 # include <sys/time.h>
31 # include <sys/time.h>
41 #include <libcitadel.h>
44 #include "sysdep_decls.h"
45 #include "citserver.h"
52 #include "internet_addressing.h"
53 #include "serv_imap.h"
54 #include "imap_tools.h"
55 #include "imap_fetch.h"
56 #include "imap_misc.h"
58 #include "ctdl_module.h"
65 * imap_copy() calls imap_do_copy() to do its actual work, once it's
66 * validated and boiled down the request a bit. (returns 0 on success)
68 int imap_do_copy(const char *destination_folder) {
71 char roomname[ROOMNAMELEN];
72 struct ctdlroom qrbuf;
73 long *selected_msgs = NULL;
76 if (Imap->num_msgs < 1) {
80 i = imap_grabroom(roomname, destination_folder, 1);
81 if (i != 0) return(i);
84 * Copy all the message pointers in one shot.
86 selected_msgs = malloc(sizeof(long) * Imap->num_msgs);
87 if (selected_msgs == NULL) return(-1);
89 for (i = 0; i < Imap->num_msgs; ++i) {
90 if (Imap->flags[i] & IMAP_SELECTED) {
91 selected_msgs[num_selected++] = Imap->msgids[i];
95 if (num_selected > 0) {
96 CtdlSaveMsgPointersInRoom(roomname, selected_msgs, num_selected, 1, NULL, 0);
100 /* Don't bother wasting any more time if there were no messages. */
101 if (num_selected == 0) {
105 /* Enumerate lists of messages for which flags are toggled */
106 long *seen_yes = NULL;
107 int num_seen_yes = 0;
108 long *seen_no = NULL;
110 long *answ_yes = NULL;
111 int num_answ_yes = 0;
112 long *answ_no = NULL;
115 seen_yes = malloc(num_selected * sizeof(long));
116 seen_no = malloc(num_selected * sizeof(long));
117 answ_yes = malloc(num_selected * sizeof(long));
118 answ_no = malloc(num_selected * sizeof(long));
120 for (i = 0; i < Imap->num_msgs; ++i) {
121 if (Imap->flags[i] & IMAP_SELECTED) {
122 if (Imap->flags[i] & IMAP_SEEN) {
123 seen_yes[num_seen_yes++] = Imap->msgids[i];
125 if ((Imap->flags[i] & IMAP_SEEN) == 0) {
126 seen_no[num_seen_no++] = Imap->msgids[i];
128 if (Imap->flags[i] & IMAP_ANSWERED) {
129 answ_yes[num_answ_yes++] = Imap->msgids[i];
131 if ((Imap->flags[i] & IMAP_ANSWERED) == 0) {
132 answ_no[num_answ_no++] = Imap->msgids[i];
137 /* Set the flags... */
138 i = CtdlGetRoom(&qrbuf, roomname);
140 CtdlSetSeen(seen_yes, num_seen_yes, 1, ctdlsetseen_seen, NULL, &qrbuf);
141 CtdlSetSeen(seen_no, num_seen_no, 0, ctdlsetseen_seen, NULL, &qrbuf);
142 CtdlSetSeen(answ_yes, num_answ_yes, 1, ctdlsetseen_answered, NULL, &qrbuf);
143 CtdlSetSeen(answ_no, num_answ_no, 0, ctdlsetseen_answered, NULL, &qrbuf);
156 * Output the [COPYUID xxx yyy] response code required by RFC2359
157 * to tell the client the UID's of the messages that were copied (if any).
158 * We are assuming that the IMAP_SELECTED flag is still set on any relevant
159 * messages in our source room. Since the Citadel system uses UID's that
160 * are both globally unique and persistent across a room-to-room copy, we
161 * can get this done quite easily.
163 * FIXME this is outputing WRONG !!! See https://tools.ietf.org/html/rfc2359#section-4.3
165 void imap_output_copyuid_response(citimap *Imap) {
169 for (i = 0; i < Imap->num_msgs; ++i) {
170 if (Imap->flags[i] & IMAP_SELECTED) {
172 if (num_output == 1) {
175 else if (num_output > 1) {
178 IAPrintf("%ld", Imap->msgids[i]);
181 if (num_output > 0) {
188 * This function is called by the main command loop.
190 void imap_copy(int num_parms, ConstStr *Params) {
193 if (num_parms != 4) {
194 IReply("BAD invalid parameters");
198 if (imap_is_message_set(Params[2].Key)) {
199 imap_pick_range(Params[2].Key, 0);
202 IReply("BAD invalid parameters");
206 ret = imap_do_copy(Params[3].Key);
208 IAPrintf("%s OK ", Params[0].Key);
209 imap_output_copyuid_response(IMAP);
210 IAPuts("COPY completed\r\n");
213 IReplyPrintf("NO COPY failed (error %d)", ret);
218 * This function is called by the main command loop.
220 void imap_uidcopy(int num_parms, ConstStr *Params) {
222 if (num_parms != 5) {
223 IReply("BAD invalid parameters");
227 if (imap_is_message_set(Params[3].Key)) {
228 imap_pick_range(Params[3].Key, 1);
231 IReply("BAD invalid parameters");
235 if (imap_do_copy(Params[4].Key) == 0) {
236 IAPrintf("%s OK ", Params[0].Key);
237 imap_output_copyuid_response(IMAP);
238 IAPuts("UID COPY completed\r\n");
241 IReply("NO UID COPY failed");
247 * imap_do_append_flags() is called by imap_append() to set any flags that
248 * the client specified at append time.
250 * FIXME find a way to do these in bulk so we don't max out our db journal
252 void imap_do_append_flags(long new_msgnum, char *new_message_flags) {
254 char this_flag[sizeof flags];
257 if (new_message_flags == NULL) return;
258 if (IsEmptyStr(new_message_flags)) return;
260 safestrncpy(flags, new_message_flags, sizeof flags);
262 for (i=0; i<num_tokens(flags, ' '); ++i) {
263 extract_token(this_flag, flags, i, ' ', sizeof this_flag);
264 if (this_flag[0] == '\\') strcpy(this_flag, &this_flag[1]);
265 if (!strcasecmp(this_flag, "Seen")) {
266 CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_seen,
269 if (!strcasecmp(this_flag, "Answered")) {
270 CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_answered,
278 * This function is called by the main command loop.
280 void imap_append(int num_parms, ConstStr *Params) {
281 struct CitContext *CCC = CC;
283 struct CtdlMessage *msg = NULL;
284 long new_msgnum = (-1L);
286 char roomname[ROOMNAMELEN];
289 char savedroom[ROOMNAMELEN];
292 char new_message_flags[SIZ];
296 IReply("BAD usage error");
300 if ( (Params[num_parms-1].Key[0] != '{')
301 || (Params[num_parms-1].Key[Params[num_parms-1].len-1] != '}') ) {
302 IReply("BAD no message literal supplied");
306 *new_message_flags = '\0';
307 if (num_parms >= 5) {
308 for (i=3; i<num_parms; ++i) {
309 strcat(new_message_flags, Params[i].Key);
310 strcat(new_message_flags, " ");
312 stripallbut(new_message_flags, '(', ')');
315 /* This is how we'd do this if it were relevant in our data store.
316 * if (num_parms >= 6) {
317 * new_message_internaldate = parms[4];
321 literal_length = atol(&Params[num_parms-1].Key[1]);
322 if (literal_length < 1) {
323 IReply("BAD Message length must be at least 1.");
328 imap_free_transmitted_message(); /* just in case. */
330 Imap->TransmittedMessage = NewStrBufPlain(NULL, literal_length);
332 if (Imap->TransmittedMessage == NULL) {
333 IReply("NO Cannot allocate memory.");
337 IAPrintf("+ Transmit message now.\r\n");
341 client_read_blob(Imap->TransmittedMessage, literal_length, CtdlGetConfigInt("c_sleeping"));
343 if ((ret < 0) || (StrLength(Imap->TransmittedMessage) < literal_length)) {
344 IReply("NO Read failed.");
348 /* Client will transmit a trailing CRLF after the literal (the message
349 * text) is received. This call to client_getln() absorbs it.
352 client_getln(dummy, sizeof dummy);
354 /* Convert RFC822 newlines (CRLF) to Unix newlines (LF) */
355 syslog(LOG_DEBUG, "Converting CRLF to LF");
356 StrBufToUnixLF(Imap->TransmittedMessage);
358 syslog(LOG_DEBUG, "Converting message format");
359 msg = convert_internet_message_buf(&Imap->TransmittedMessage);
361 ret = imap_grabroom(roomname, Params[2].Key, 1);
363 IReply("NO Invalid mailbox name or access denied");
368 * CtdlUserGoto() formally takes us to the desired room. (If another
369 * folder is selected, save its name so we can return there!!!!!)
371 if (Imap->selected) {
372 strcpy(savedroom, CCC->room.QRname);
374 CtdlUserGoto(roomname, 0, 0, &msgs, &new, NULL, NULL);
376 /* If the user is locally authenticated, FORCE the From: header to
377 * show up as the real sender. (Configurable setting)
379 if (CCC->logged_in) {
380 if ( ((CCC->room.QRflags & QR_MAILBOX) == 0) && (CtdlGetConfigInt("c_imap_keep_from") == 0))
382 CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
383 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
384 CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
391 ret = CtdlDoIHavePermissionToPostInThisRoom(errbuf, sizeof errbuf, NULL, POST_LOGGED_IN, 0);
394 /* Nope ... print an error message */
395 IReplyPrintf("NO %s", errbuf);
399 /* Yes ... go ahead and post! */
401 new_msgnum = CtdlSubmitMsg(msg, NULL, "", 0);
403 if (new_msgnum >= 0L) {
404 IReplyPrintf("OK [APPENDUID %ld %ld] APPEND completed",
405 GLOBAL_UIDVALIDITY_VALUE, new_msgnum);
408 IReplyPrintf("BAD Error %ld saving message to disk.",
414 * IMAP protocol response to client has already been sent by now.
416 * If another folder is selected, go back to that room so we can resume
417 * our happy day without violent explosions.
419 if (Imap->selected) {
420 CtdlUserGoto(savedroom, 0, 0, &msgs, &new, NULL, NULL);
423 /* We don't need this buffer anymore */
426 if (IsEmptyStr(new_message_flags)) {
427 imap_do_append_flags(new_msgnum, new_message_flags);