This is an omnibus commit which moves the Citadel Server from crusty old GNU Autotool...
[citadel.git] / citadel / modules / imap / imap_misc.c
diff --git a/citadel/modules/imap/imap_misc.c b/citadel/modules/imap/imap_misc.c
deleted file mode 100644 (file)
index 4cd8ece..0000000
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * 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);
-       }
-}