+++ /dev/null
-/*
- * Copyright (c) 1987-2020 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <ctype.h>
-#include <string.h>
-#include <limits.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "sysdep_decls.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "user_ops.h"
-#include "database.h"
-#include "msgbase.h"
-#include "room_ops.h"
-#include "internet_addressing.h"
-#include "serv_imap.h"
-#include "imap_tools.h"
-#include "imap_fetch.h"
-#include "imap_misc.h"
-#include "genstamp.h"
-#include "ctdl_module.h"
-
-
-
-
-
-/*
- * imap_copy() calls imap_do_copy() to do its actual work, once it's
- * validated and boiled down the request a bit. (returns 0 on success)
- */
-int imap_do_copy(const char *destination_folder) {
- citimap *Imap = IMAP;
- int i;
- char roomname[ROOMNAMELEN];
- struct ctdlroom qrbuf;
- long *selected_msgs = NULL;
- int num_selected = 0;
-
- if (Imap->num_msgs < 1) {
- return(0);
- }
-
- i = imap_grabroom(roomname, destination_folder, 1);
- if (i != 0) return(i);
-
- /*
- * Copy all the message pointers in one shot.
- */
- selected_msgs = malloc(sizeof(long) * Imap->num_msgs);
- if (selected_msgs == NULL) return(-1);
-
- for (i = 0; i < Imap->num_msgs; ++i) {
- if (Imap->flags[i] & IMAP_SELECTED) {
- selected_msgs[num_selected++] = Imap->msgids[i];
- }
- }
-
- if (num_selected > 0) {
- CtdlSaveMsgPointersInRoom(roomname, selected_msgs, num_selected, 1, NULL, 0);
- }
- free(selected_msgs);
-
- /* Don't bother wasting any more time if there were no messages. */
- if (num_selected == 0) {
- return(0);
- }
-
- /* Enumerate lists of messages for which flags are toggled */
- long *seen_yes = NULL;
- int num_seen_yes = 0;
- long *seen_no = NULL;
- int num_seen_no = 0;
- long *answ_yes = NULL;
- int num_answ_yes = 0;
- long *answ_no = NULL;
- int num_answ_no = 0;
-
- seen_yes = malloc(num_selected * sizeof(long));
- seen_no = malloc(num_selected * sizeof(long));
- answ_yes = malloc(num_selected * sizeof(long));
- answ_no = malloc(num_selected * sizeof(long));
-
- for (i = 0; i < Imap->num_msgs; ++i) {
- if (Imap->flags[i] & IMAP_SELECTED) {
- if (Imap->flags[i] & IMAP_SEEN) {
- seen_yes[num_seen_yes++] = Imap->msgids[i];
- }
- if ((Imap->flags[i] & IMAP_SEEN) == 0) {
- seen_no[num_seen_no++] = Imap->msgids[i];
- }
- if (Imap->flags[i] & IMAP_ANSWERED) {
- answ_yes[num_answ_yes++] = Imap->msgids[i];
- }
- if ((Imap->flags[i] & IMAP_ANSWERED) == 0) {
- answ_no[num_answ_no++] = Imap->msgids[i];
- }
- }
- }
-
- /* Set the flags... */
- i = CtdlGetRoom(&qrbuf, roomname);
- if (i == 0) {
- CtdlSetSeen(seen_yes, num_seen_yes, 1, ctdlsetseen_seen, NULL, &qrbuf);
- CtdlSetSeen(seen_no, num_seen_no, 0, ctdlsetseen_seen, NULL, &qrbuf);
- CtdlSetSeen(answ_yes, num_answ_yes, 1, ctdlsetseen_answered, NULL, &qrbuf);
- CtdlSetSeen(answ_no, num_answ_no, 0, ctdlsetseen_answered, NULL, &qrbuf);
- }
-
- free(seen_yes);
- free(seen_no);
- free(answ_yes);
- free(answ_no);
-
- return(0);
-}
-
-
-/*
- * Output the [COPYUID xxx yyy] response code required by RFC2359
- * to tell the client the UID's of the messages that were copied (if any).
- * We are assuming that the IMAP_SELECTED flag is still set on any relevant
- * messages in our source room. Since the Citadel system uses UID's that
- * are both globally unique and persistent across a room-to-room copy, we
- * can get this done quite easily.
- */
-void imap_output_copyuid_response(citimap *Imap) {
- int i;
- StrBuf *MsgsCopied = NewStrBuf();
-
- for (i = 0; i < Imap->num_msgs; ++i) {
- if (Imap->flags[i] & IMAP_SELECTED) {
- if (StrLength(MsgsCopied) > 0) {
- StrBufAppendBufPlain(MsgsCopied, HKEY(","), 0);
- }
- StrBufAppendPrintf(MsgsCopied, "%ld", Imap->msgids[i]);
- }
- }
-
- if (StrLength(MsgsCopied) > 0) {
- IAPrintf("[COPYUID %ld %s %s] ", GLOBAL_UIDVALIDITY_VALUE, ChrPtr(MsgsCopied), ChrPtr(MsgsCopied));
- }
-
- FreeStrBuf(&MsgsCopied);
-}
-
-
-/*
- * This function is called by the main command loop.
- */
-void imap_copy(int num_parms, ConstStr *Params) {
- int ret;
-
- if (num_parms != 4) {
- IReply("BAD invalid parameters");
- return;
- }
-
- if (imap_is_message_set(Params[2].Key)) {
- imap_pick_range(Params[2].Key, 0);
- }
- else {
- IReply("BAD invalid parameters");
- return;
- }
-
- ret = imap_do_copy(Params[3].Key);
- if (!ret) {
- IAPrintf("%s OK ", Params[0].Key);
- imap_output_copyuid_response(IMAP);
- IAPuts("COPY completed\r\n");
- }
- else {
- IReplyPrintf("NO COPY failed (error %d)", ret);
- }
-}
-
-/*
- * This function is called by the main command loop.
- */
-void imap_uidcopy(int num_parms, ConstStr *Params) {
-
- if (num_parms != 5) {
- IReply("BAD invalid parameters");
- return;
- }
-
- if (imap_is_message_set(Params[3].Key)) {
- imap_pick_range(Params[3].Key, 1);
- }
- else {
- IReply("BAD invalid parameters");
- return;
- }
-
- if (imap_do_copy(Params[4].Key) == 0) {
- IAPrintf("%s OK ", Params[0].Key);
- imap_output_copyuid_response(IMAP);
- IAPuts("UID COPY completed\r\n");
- }
- else {
- IReply("NO UID COPY failed");
- }
-}
-
-
-/*
- * imap_do_append_flags() is called by imap_append() to set any flags that
- * the client specified at append time.
- *
- * FIXME find a way to do these in bulk so we don't max out our db journal
- */
-void imap_do_append_flags(long new_msgnum, char *new_message_flags) {
- char flags[32];
- char this_flag[sizeof flags];
- int i;
-
- if (new_message_flags == NULL) return;
- if (IsEmptyStr(new_message_flags)) return;
-
- safestrncpy(flags, new_message_flags, sizeof flags);
-
- for (i=0; i<num_tokens(flags, ' '); ++i) {
- extract_token(this_flag, flags, i, ' ', sizeof this_flag);
- if (this_flag[0] == '\\') strcpy(this_flag, &this_flag[1]);
- if (!strcasecmp(this_flag, "Seen")) {
- CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_seen,
- NULL, NULL);
- }
- if (!strcasecmp(this_flag, "Answered")) {
- CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_answered,
- NULL, NULL);
- }
- }
-}
-
-
-/*
- * This function is called by the main command loop.
- */
-void imap_append(int num_parms, ConstStr *Params) {
- long literal_length;
- struct CtdlMessage *msg = NULL;
- long new_msgnum = (-1L);
- int ret = 0;
- char roomname[ROOMNAMELEN];
- char errbuf[SIZ];
- char dummy[SIZ];
- char savedroom[ROOMNAMELEN];
- int msgs, new;
- int i;
- char new_message_flags[SIZ];
- citimap *Imap;
-
- if (num_parms < 4) {
- IReply("BAD usage error");
- return;
- }
-
- if ( (Params[num_parms-1].Key[0] != '{')
- || (Params[num_parms-1].Key[Params[num_parms-1].len-1] != '}') ) {
- IReply("BAD no message literal supplied");
- return;
- }
-
- *new_message_flags = '\0';
- if (num_parms >= 5) {
- for (i=3; i<num_parms; ++i) {
- strcat(new_message_flags, Params[i].Key);
- strcat(new_message_flags, " ");
- }
- stripallbut(new_message_flags, '(', ')');
- }
-
- /* This is how we'd do this if it were relevant in our data store.
- * if (num_parms >= 6) {
- * new_message_internaldate = parms[4];
- * }
- */
-
- literal_length = atol(&Params[num_parms-1].Key[1]);
- if (literal_length < 1) {
- IReply("BAD Message length must be at least 1.");
- return;
- }
-
- Imap = IMAP;
- imap_free_transmitted_message(); /* just in case. */
-
- Imap->TransmittedMessage = NewStrBufPlain(NULL, literal_length);
-
- if (Imap->TransmittedMessage == NULL) {
- IReply("NO Cannot allocate memory.");
- return;
- }
-
- IAPrintf("+ Transmit message now.\r\n");
-
- IUnbuffer ();
-
- client_read_blob(Imap->TransmittedMessage, literal_length, CtdlGetConfigInt("c_sleeping"));
-
- if ((ret < 0) || (StrLength(Imap->TransmittedMessage) < literal_length)) {
- IReply("NO Read failed.");
- return;
- }
-
- /* Client will transmit a trailing CRLF after the literal (the message
- * text) is received. This call to client_getln() absorbs it.
- */
- flush_output();
- client_getln(dummy, sizeof dummy);
-
- /* Convert RFC822 newlines (CRLF) to Unix newlines (LF) */
- syslog(LOG_DEBUG, "Converting CRLF to LF");
- StrBufToUnixLF(Imap->TransmittedMessage);
-
- syslog(LOG_DEBUG, "Converting message format");
- msg = convert_internet_message_buf(&Imap->TransmittedMessage);
-
- ret = imap_grabroom(roomname, Params[2].Key, 1);
- if (ret != 0) {
- IReply("NO Invalid mailbox name or access denied");
- return;
- }
-
- /*
- * CtdlUserGoto() formally takes us to the desired room. (If another
- * folder is selected, save its name so we can return there!!!!!)
- */
- if (Imap->selected) {
- strcpy(savedroom, CC->room.QRname);
- }
- CtdlUserGoto(roomname, 0, 0, &msgs, &new, NULL, NULL);
-
- /* If the user is locally authenticated, FORCE the From: header to
- * show up as the real sender. (Configurable setting)
- */
- if (CC->logged_in) {
- if ( ((CC->room.QRflags & QR_MAILBOX) == 0) && (CtdlGetConfigInt("c_imap_keep_from") == 0))
- {
- CM_SetField(msg, eAuthor, CC->user.fullname, strlen(CC->user.fullname));
- }
- }
-
- /*
- * Can we post here?
- */
- ret = CtdlDoIHavePermissionToPostInThisRoom(errbuf, sizeof errbuf, NULL, POST_LOGGED_IN, 0);
-
- if (ret) {
- /* Nope ... print an error message */
- IReplyPrintf("NO %s", errbuf);
- }
-
- else {
- /* Yes ... go ahead and post! */
- if (msg != NULL) {
- new_msgnum = CtdlSubmitMsg(msg, NULL, "");
- }
- if (new_msgnum >= 0L) {
- IReplyPrintf("OK [APPENDUID %ld %ld] APPEND completed",
- GLOBAL_UIDVALIDITY_VALUE, new_msgnum);
- }
- else {
- IReplyPrintf("BAD Error %ld saving message to disk.",
- new_msgnum);
- }
- }
-
- /*
- * IMAP protocol response to client has already been sent by now.
- *
- * If another folder is selected, go back to that room so we can resume
- * our happy day without violent explosions.
- */
- if (Imap->selected) {
- CtdlUserGoto(savedroom, 0, 0, &msgs, &new, NULL, NULL);
- }
-
- /* We don't need this buffer anymore */
- CM_Free(msg);
-
- if (IsEmptyStr(new_message_flags)) {
- imap_do_append_flags(new_msgnum, new_message_flags);
- }
-}