2 * This module handles shared rooms, inter-Citadel mail, and outbound
3 * mailing list processing.
5 * Copyright (c) 2000-2017 by the citadel.org team
7 * This program is open source software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License, version 3.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * ** NOTE ** A word on the S_NETCONFIGS semaphore:
16 * This is a fairly high-level type of critical section. It ensures that no
17 * two threads work on the netconfigs files at the same time. Since we do
18 * so many things inside these, here are the rules:
19 * 1. begin_critical_section(S_NETCONFIGS) *before* begin_ any others.
20 * 2. Do *not* perform any I/O with the client during these sections.
25 * Duration of time (in seconds) after which pending list subscribe/unsubscribe
26 * requests that have not been confirmed will be deleted.
28 #define EXP 259200 /* three days */
40 #include <sys/types.h>
42 #if TIME_WITH_SYS_TIME
43 # include <sys/time.h>
47 # include <sys/time.h>
55 # if HAVE_SYS_SYSCALL_H
56 # include <sys/syscall.h>
64 #include <libcitadel.h>
67 #include "citserver.h"
73 #include "internet_addressing.h"
74 #include "serv_network.h"
75 #include "clientsocket.h"
76 #include "citadel_dirs.h"
80 #include "ctdl_module.h"
92 #define IFTODT(mode) (((mode) & 0170000) >> 12)
93 #define DTTOIF(dirtype) ((dirtype) << 12)
98 * Bounce a message back to the sender
100 void network_bounce(struct CtdlMessage **pMsg, char *reason)
103 char bouncesource[SIZ];
105 recptypes *valid = NULL;
106 char force_room[ROOMNAMELEN];
107 static int serialnum = 0;
109 struct CtdlMessage *msg = *pMsg;
111 syslog(LOG_DEBUG, "netspool: entering network_bounce()");
113 if (msg == NULL) return;
115 snprintf(bouncesource, sizeof bouncesource, "%s@%s", BOUNCESOURCE, CtdlGetConfigStr("c_nodename"));
118 * Give it a fresh message ID
120 len = snprintf(buf, sizeof(buf),
125 CtdlGetConfigStr("c_fqdn"));
127 CM_SetField(msg, emessageId, buf, len);
130 * FIXME ... right now we're just sending a bounce; we really want to
131 * include the text of the bounced message.
133 if (!IsEmptyStr(reason)) {
134 CM_SetField(msg, eMesageText, reason, strlen(reason));
136 msg->cm_format_type = 0;
139 * Turn the message around
141 CM_FlushField(msg, eRecipient);
142 CM_FlushField(msg, eDestination);
144 len = snprintf(recipient, sizeof(recipient), "%s@%s",
145 msg->cm_fields[eAuthor],
146 msg->cm_fields[eNodeName]);
148 CM_SetField(msg, eAuthor, HKEY(BOUNCESOURCE));
149 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
150 CM_SetField(msg, eMsgSubject, HKEY("Delivery Status Notification (Failure)"));
152 Netmap_AddMe(msg, HKEY("unknown_user"));
154 /* Now submit the message */
155 valid = validate_recipients(recipient, NULL, 0);
156 if (valid != NULL) if (valid->num_error != 0) {
157 free_recipients(valid);
160 if ( (valid == NULL) || (!strcasecmp(recipient, bouncesource)) ) {
161 strcpy(force_room, CtdlGetConfigStr("c_aideroom"));
164 strcpy(force_room, "");
166 if ( (valid == NULL) && IsEmptyStr(force_room) ) {
167 strcpy(force_room, CtdlGetConfigStr("c_aideroom"));
169 CtdlSubmitMsg(msg, valid, force_room, 0);
172 if (valid != NULL) free_recipients(valid);
174 syslog(LOG_DEBUG, "netspool: leaving network_bounce()");
178 void ParseLastSent(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
180 RoomNetCfgLine *nptr;
181 nptr = (RoomNetCfgLine *)
182 malloc(sizeof(RoomNetCfgLine));
183 memset(nptr, 0, sizeof(RoomNetCfgLine));
184 OneRNCFG->lastsent = extract_long(LinePos, 0);
185 OneRNCFG->NetConfigs[ThisOne->C] = nptr;
188 void ParseRoomAlias(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *rncfg)
190 if (rncfg->Sender != NULL)
193 ParseGeneric(ThisOne, Line, LinePos, rncfg);
194 rncfg->Sender = NewStrBufDup(rncfg->NetConfigs[roommailalias]->Value[0]);
197 void ParseSubPendingLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
199 if (time(NULL) - extract_long(LinePos, 3) > EXP)
200 return; /* expired subscription... */
202 ParseGeneric(ThisOne, Line, LinePos, OneRNCFG);
204 void ParseUnSubPendingLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
206 if (time(NULL) - extract_long(LinePos, 2) > EXP)
207 return; /* expired subscription... */
209 ParseGeneric(ThisOne, Line, LinePos, OneRNCFG);
213 void SerializeLastSent(const CfgLineType *ThisOne, StrBuf *OutputBuffer, OneRoomNetCfg *RNCfg, RoomNetCfgLine *data)
215 StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
216 StrBufAppendPrintf(OutputBuffer, "|%ld\n", RNCfg->lastsent);
219 void DeleteLastSent(const CfgLineType *ThisOne, RoomNetCfgLine **data)
225 static const RoomNetCfg SpoolCfgs [4] = {
232 static const long SpoolCfgsCopyN [4] = {
236 int HaveSpoolConfig(OneRoomNetCfg* RNCfg)
240 for (i=0; i < 4; i++) if (RNCfg->NetConfigs[SpoolCfgs[i]] == NULL) interested = 1;
244 void Netmap_AddMe(struct CtdlMessage *msg, const char *defl, long defllen)
249 /* prepend our node to the path */
250 if (CM_IsEmpty(msg, eMessagePath)) {
251 CM_SetField(msg, eMessagePath, defl, defllen);
253 node_len = strlen(CtdlGetConfigStr("c_nodename"));
256 memcpy(buf, CtdlGetConfigStr("c_nodename"), node_len);
258 buf[node_len + 1] = '\0';
259 CM_PrependToField(msg, eMessagePath, buf, node_len + 1);
262 void InspectQueuedRoom(SpoolControl **pSC,
263 RoomProcList *room_to_spool,
264 HashList *working_ignetcfg,
265 HashList *the_netmap)
270 syslog(LOG_INFO, "netspool: InspectQueuedRoom(%s)", room_to_spool->name);
272 sc = (SpoolControl*)malloc(sizeof(SpoolControl));
273 memset(sc, 0, sizeof(SpoolControl));
274 sc->working_ignetcfg = working_ignetcfg;
275 sc->the_netmap = the_netmap;
278 * If the room doesn't exist, don't try to perform its networking tasks.
279 * Normally this should never happen, but once in a while maybe a room gets
280 * queued for networking and then deleted before it can happen.
282 if (CtdlGetRoom(&sc->room, room_to_spool->name) != 0) {
283 syslog(LOG_INFO, "netspool: ERROR; cannot load <%s>", room_to_spool->name);
288 assert(sc->RNCfg == NULL); // checking to make sure we cleared it from last time
290 sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
292 syslog(LOG_DEBUG, "netspool: room <%s> highest=%ld lastsent=%ld", room_to_spool->name, sc->room.QRhighest, sc->RNCfg->lastsent);
293 if ( (!HaveSpoolConfig(sc->RNCfg)) || (sc->room.QRhighest <= sc->RNCfg->lastsent) )
295 // There is nothing to send from this room.
296 syslog(LOG_DEBUG, "netspool: nothing to do for <%s>", room_to_spool->name);
297 FreeRoomNetworkStruct(&sc->RNCfg);
303 sc->lastsent = sc->RNCfg->lastsent;
304 room_to_spool->lastsent = sc->lastsent;
306 /* Now lets remember whats needed for the actual work... */
308 for (i=0; i < 4; i++)
310 aggregate_recipients(&sc->Users[SpoolCfgs[i]], SpoolCfgs[i], sc->RNCfg, SpoolCfgsCopyN[i]);
313 if (StrLength(sc->RNCfg->Sender) > 0) {
314 sc->Users[roommailalias] = NewStrBufDup(sc->RNCfg->Sender);
320 FreeRoomNetworkStruct(&sc->RNCfg); // done with this for now, we'll grab it again next time
325 void CalcListID(SpoolControl *sc)
328 struct CitContext *CCC = CC;
329 #define MAX_LISTIDLENGTH 150
331 // Load the room banner as the list description
332 struct CtdlMessage *msg = CtdlFetchMessage(sc->room.msgnum_info, 1, 1);
334 CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
335 CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0);
337 sc->RoomInfo = CC->redirect_buffer;
338 CC->redirect_buffer = NULL;
341 sc->RoomInfo = NewStrBufPlain(NULL, SIZ);
344 // Calculate the List ID
345 sc->ListID = NewStrBufPlain(NULL, 1024);
346 if (StrLength(sc->RoomInfo) > 0)
348 const char *Pos = NULL;
349 StrBufSipLine(sc->ListID, sc->RoomInfo, &Pos);
351 if (StrLength(sc->ListID) > MAX_LISTIDLENGTH)
353 StrBufCutAt(sc->ListID, MAX_LISTIDLENGTH, NULL);
354 StrBufAppendBufPlain(sc->ListID, HKEY("..."), 0);
356 StrBufAsciify(sc->ListID, ' ');
360 StrBufAppendBufPlain(sc->ListID, CCC->room.QRname, -1, 0);
363 StrBufAppendBufPlain(sc->ListID, HKEY("<"), 0);
364 RoomName = NewStrBufPlain (sc->room.QRname, -1);
365 StrBufAsciify(RoomName, '_');
366 StrBufReplaceChars(RoomName, ' ', '_');
368 if (StrLength(sc->Users[roommailalias]) > 0)
373 Pos = StrLength(sc->ListID);
374 StrBufAppendBuf(sc->ListID, sc->Users[roommailalias], 0);
375 AtPos = strchr(ChrPtr(sc->ListID) + Pos, '@');
379 StrBufPeek(sc->ListID, AtPos, 0, '.');
384 StrBufAppendBufPlain(sc->ListID, HKEY("room_"), 0);
385 StrBufAppendBuf(sc->ListID, RoomName, 0);
386 StrBufAppendBufPlain(sc->ListID, HKEY("."), 0);
387 StrBufAppendBufPlain(sc->ListID, CtdlGetConfigStr("c_fqdn"), -1, 0);
390 * roomname <Room-Number.list-id.fqdn>
391 * according to rfc2919.txt it only has to be a uniq identifier
392 * under the domain of the system;
393 * in general MUAs use it to calculate the reply address nowadays.
396 StrBufAppendBufPlain(sc->ListID, HKEY(">"), 0);
398 if (StrLength(sc->Users[roommailalias]) == 0)
400 sc->Users[roommailalias] = NewStrBuf();
402 StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("room_"), 0);
403 StrBufAppendBuf(sc->Users[roommailalias], RoomName, 0);
404 StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("@"), 0);
405 StrBufAppendBufPlain(sc->Users[roommailalias], CtdlGetConfigStr("c_fqdn"), -1, 0);
407 StrBufLowerCase(sc->Users[roommailalias]);
410 FreeStrBuf(&RoomName);
415 * Batch up and send all outbound traffic from the current room
417 void network_spoolout_room(SpoolControl *sc)
419 struct CitContext *CCC = CC;
425 * If the room doesn't exist, don't try to perform its networking tasks.
426 * Normally this should never happen, but once in a while maybe a room gets
427 * queued for networking and then deleted before it can happen.
429 memcpy (&CCC->room, &sc->room, sizeof(ctdlroom));
431 syslog(LOG_INFO, "netspool: network_spoolout_room(room=%s, lastsent=%ld)", CCC->room.QRname, sc->lastsent);
435 /* remember where we started... */
436 lastsent = sc->lastsent;
438 /* Fetch the messages we ought to send & prepare them. */
439 CtdlForEachMessage(MSGS_GT, sc->lastsent, NULL, NULL, NULL, network_spool_msg, sc);
441 if (StrLength(sc->Users[roommailalias]) > 0)
444 len = StrLength(sc->Users[roommailalias]);
445 if (len + 1 > sizeof(buf))
446 len = sizeof(buf) - 1;
447 memcpy(buf, ChrPtr(sc->Users[roommailalias]), len);
452 snprintf(buf, sizeof buf, "room_%s@%s", CCC->room.QRname, CtdlGetConfigStr("c_fqdn"));
455 for (i=0; buf[i]; ++i) {
456 buf[i] = tolower(buf[i]);
457 if (isspace(buf[i])) buf[i] = '_';
461 /* If we wrote a digest, deliver it and then close it */
462 if ( (sc->Users[digestrecp] != NULL) && (sc->digestfp != NULL) )
464 fprintf(sc->digestfp,
465 " ------------------------------------------------------------------------------\n"
466 "You are subscribed to the '%s' list.\n"
467 "To post to the list: %s\n",
468 CCC->room.QRname, buf
470 network_deliver_digest(sc); /* deliver */
471 fclose(sc->digestfp);
473 remove_digest_file(&sc->room);
476 /* Now rewrite the netconfig */
477 syslog(LOG_DEBUG, "netspool: lastsent was %ld , now it is %ld", lastsent, sc->lastsent);
478 if (sc->lastsent != lastsent)
482 begin_critical_section(S_NETCONFIGS);
483 r = CtdlGetNetCfgForRoom(sc->room.QRnumber);
484 r->lastsent = sc->lastsent;
485 SaveRoomNetConfigFile(r, sc->room.QRnumber);
486 FreeRoomNetworkStruct(&r);
487 end_critical_section(S_NETCONFIGS);
493 * Check the use table. This is a list of messages which have recently
494 * arrived on the system. It is maintained and queried to prevent the same
495 * message from being entered into the database multiple times if it happens
496 * to arrive multiple times by accident.
498 int network_usetable(struct CtdlMessage *msg)
502 /* Bail out if we can't generate a message ID */
503 if ((msg == NULL) || CM_IsEmpty(msg, emessageId))
508 /* Generate the message ID */
509 msgid = NewStrBufPlain(CM_KEY(msg, emessageId));
510 if (haschar(ChrPtr(msgid), '@') == 0) {
511 StrBufAppendBufPlain(msgid, HKEY("@"), 0);
512 if (!CM_IsEmpty(msg, eNodeName)) {
513 StrBufAppendBufPlain(msgid, CM_KEY(msg, eNodeName), 0);
520 if (CheckIfAlreadySeen(msgid)) {
531 * Process a buffer containing a single message from a single file
532 * from the inbound queue
534 void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
538 struct CtdlMessage *msg = NULL;
541 recptypes *recp = NULL;
542 char target_room[ROOMNAMELEN];
543 struct ser_ret sermsg;
544 char filename[PATH_MAX];
546 const StrBuf *nexthop = NULL;
547 unsigned char firstbyte;
548 unsigned char lastbyte;
550 syslog(LOG_DEBUG, "netspool: network_process_buffer() processing %ld bytes", size);
552 /* Validate just a little bit. First byte should be FF and * last byte should be 00. */
553 firstbyte = buffer[0];
554 lastbyte = buffer[size-1];
555 if ( (firstbyte != 255) || (lastbyte != 0) ) {
556 syslog(LOG_ERR, "netspool: corrupt message ignored. Length=%ld, firstbyte = %d, lastbyte = %d", size, firstbyte, lastbyte);
560 /* Set default target room to trash */
561 strcpy(target_room, TWITROOM);
563 /* Load the message into memory */
564 msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
565 memset(msg, 0, sizeof(struct CtdlMessage));
566 msg->cm_magic = CTDLMESSAGE_MAGIC;
567 msg->cm_anon_type = buffer[1];
568 msg->cm_format_type = buffer[2];
570 for (pos = 3; pos < size; ++pos) {
572 len = strlen(buffer + pos + 1);
573 CM_SetField(msg, field, buffer + pos + 1, len);
577 /* Check for message routing */
578 if (!CM_IsEmpty(msg, eDestination)) {
579 if (strcasecmp(msg->cm_fields[eDestination], CtdlGetConfigStr("c_nodename"))) {
581 /* route the message */
582 Buf = NewStrBufPlain(CM_KEY(msg,eDestination));
583 if (CtdlIsValidNode(&nexthop,
589 Netmap_AddMe(msg, HKEY("unknown_user"));
591 /* serialize the message */
592 CtdlSerializeMessage(&sermsg, msg);
595 if (StrLength(nexthop) == 0) {
606 syslog(LOG_DEBUG, "netspool: appending to %s", filename);
607 fp = fopen(filename, "ab");
609 fwrite(sermsg.ser, sermsg.len, 1, fp);
613 syslog(LOG_ERR, "%s: %s", filename, strerror(errno));
621 else { /* invalid destination node name */
625 "A message you sent could not be delivered due to an invalid destination node"
626 " name. Please check the address and try sending the message again.\n");
634 * Check to see if we already have a copy of this message, and
635 * abort its processing if so. (We used to post a warning to Aide>
636 * every time this happened, but the network is now so densely
637 * connected that it's inevitable.)
639 if (network_usetable(msg) != 0) {
644 /* Learn network topology from the path */
645 if (!CM_IsEmpty(msg, eNodeName) && !CM_IsEmpty(msg, eMessagePath)) {
646 NetworkLearnTopology(msg->cm_fields[eNodeName],
647 msg->cm_fields[eMessagePath],
652 /* Is the sending node giving us a very persuasive suggestion about
653 * which room this message should be saved in? If so, go with that.
655 if (!CM_IsEmpty(msg, eRemoteRoom)) {
656 safestrncpy(target_room, msg->cm_fields[eRemoteRoom], sizeof target_room);
659 /* Otherwise, does it have a recipient? If so, validate it... */
660 else if (!CM_IsEmpty(msg, eRecipient)) {
661 recp = validate_recipients(msg->cm_fields[eRecipient], NULL, 0);
662 if (recp != NULL) if (recp->num_error != 0) {
664 "A message you sent could not be delivered due to an invalid address.\n"
665 "Please check the address and try sending the message again.\n");
666 free_recipients(recp);
667 syslog(LOG_DEBUG, "netspool: bouncing message due to invalid recipient address.");
670 strcpy(target_room, ""); /* no target room if mail */
673 /* Our last shot at finding a home for this message is to see if
674 * it has the eOriginalRoom (O) field (Originating room) set.
676 else if (!CM_IsEmpty(msg, eOriginalRoom)) {
677 safestrncpy(target_room, msg->cm_fields[eOriginalRoom], sizeof target_room);
680 /* Strip out fields that are only relevant during transit */
681 CM_FlushField(msg, eDestination);
682 CM_FlushField(msg, eRemoteRoom);
684 /* save the message into a room */
685 if (PerformNetprocHooks(msg, target_room) == 0) {
686 msg->cm_flags = CM_SKIP_HOOKS;
687 CtdlSubmitMsg(msg, recp, target_room, 0);
690 free_recipients(recp);
695 * Process a single message from a single file from the inbound queue
697 void network_process_message(FILE *fp,
700 HashList *working_ignetcfg,
701 HashList *the_netmap,
708 hold_pos = ftell(fp);
709 size = msgend - msgstart + 1;
710 buffer = malloc(size);
711 if (buffer != NULL) {
712 fseek(fp, msgstart, SEEK_SET);
713 if (fread(buffer, size, 1, fp) > 0) {
714 network_process_buffer(buffer,
723 fseek(fp, hold_pos, SEEK_SET);
728 * Process a single file from the inbound queue
730 void network_process_file(char *filename,
731 HashList *working_ignetcfg,
732 HashList *the_netmap,
736 long msgstart = (-1L);
742 fp = fopen(filename, "rb");
744 syslog(LOG_ERR, "%s: %s", filename, strerror(errno));
748 fseek(fp, 0L, SEEK_END);
749 syslog(LOG_INFO, "netspool: processing %ld bytes from %s", ftell(fp), filename);
752 /* Look for messages in the data stream and break them out */
753 while (ch = getc(fp), ch >= 0) {
756 if (msgstart >= 0L) {
758 network_process_message(fp,
773 if (msgstart >= 0L) {
774 network_process_message(fp,
784 syslog(LOG_INFO, "netspool: processed %d messages in %s", nMessages, filename);
792 * Process anything in the inbound queue
794 void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
798 struct dirent *filedir_entry;
800 char filename[PATH_MAX];
801 static time_t last_spoolin_mtime = 0L;
806 * Check the spoolin directory's modification time. If it hasn't
807 * been touched, we don't need to scan it.
809 if (stat(ctdl_netin_dir, &statbuf)) return;
810 if (statbuf.st_mtime == last_spoolin_mtime) {
811 syslog(LOG_DEBUG, "netspool: nothing in inbound queue");
814 last_spoolin_mtime = statbuf.st_mtime;
815 syslog(LOG_DEBUG, "netspool: processing inbound queue");
818 * Ok, there's something interesting in there, so scan it.
820 dp = opendir(ctdl_netin_dir);
821 if (dp == NULL) return;
823 d = (struct dirent *)malloc(offsetof(struct dirent, d_name) + PATH_MAX + 1);
829 while ((readdir_r(dp, d, &filedir_entry) == 0) &&
830 (filedir_entry != NULL))
832 #ifdef _DIRENT_HAVE_D_NAMLEN
833 d_namelen = filedir_entry->d_namlen;
836 d_namelen = strlen(filedir_entry->d_name);
839 #ifdef _DIRENT_HAVE_D_TYPE
840 d_type = filedir_entry->d_type;
844 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
845 continue; /* Ignore backup files... */
847 if ((d_namelen == 1) &&
848 (filedir_entry->d_name[0] == '.'))
851 if ((d_namelen == 2) &&
852 (filedir_entry->d_name[0] == '.') &&
853 (filedir_entry->d_name[1] == '.'))
856 if (d_type == DT_UNKNOWN) {
864 filedir_entry->d_name);
866 if (lstat(path, &s) == 0) {
867 d_type = IFTODT(s.st_mode);
875 case DT_LNK: /* TODO: check whether its a file or a directory */
883 network_process_file(filename,
895 * Step 1: consolidate files in the outbound queue into one file per neighbor node
896 * Step 2: delete any files in the outbound queue that were for neighbors who no longer exist.
898 void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netmap)
905 struct dirent *filedir_entry;
907 char spooloutfilename[PATH_MAX];
908 char filename[PATH_MAX];
909 const StrBuf *nexthop;
917 /* Step 1: consolidate files in the outbound queue into one file per neighbor node */
918 d = (struct dirent *)malloc(offsetof(struct dirent, d_name) + PATH_MAX + 1);
919 if (d == NULL) return;
921 dp = opendir(ctdl_netout_dir);
927 NextHop = NewStrBuf();
928 memset(&IOB, 0, sizeof(IOBuffer));
929 memset(&FDIO, 0, sizeof(FDIOBuffer));
932 while ((readdir_r(dp, d, &filedir_entry) == 0) &&
933 (filedir_entry != NULL))
935 #ifdef _DIRENT_HAVE_D_NAMLEN
936 d_namelen = filedir_entry->d_namlen;
939 d_namelen = strlen(filedir_entry->d_name);
942 #ifdef _DIRENT_HAVE_D_TYPE
943 d_type = filedir_entry->d_type;
947 if (d_type == DT_DIR)
950 if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
951 continue; /* Ignore backup files... */
953 if ((d_namelen == 1) &&
954 (filedir_entry->d_name[0] == '.'))
957 if ((d_namelen == 2) &&
958 (filedir_entry->d_name[0] == '.') &&
959 (filedir_entry->d_name[1] == '.'))
962 pch = strchr(filedir_entry->d_name, '@');
970 filedir_entry->d_name);
973 filedir_entry->d_name,
974 pch - filedir_entry->d_name);
976 snprintf(spooloutfilename,
977 sizeof spooloutfilename,
982 syslog(LOG_DEBUG, "netspool: consolidate %s to %s", filename, ChrPtr(NextHop));
983 if (CtdlNetworkTalkingTo(SKEY(NextHop), NTT_CHECK)) {
985 syslog(LOG_DEBUG, "netspool: urrently online with %s - skipping for now", ChrPtr(NextHop));
991 const char *err = NULL;
992 CtdlNetworkTalkingTo(SKEY(NextHop), NTT_ADD);
994 infd = open(filename, O_RDONLY);
997 syslog(LOG_ERR, "%s: %s", filename, strerror(errno));
998 CtdlNetworkTalkingTo(SKEY(NextHop), NTT_REMOVE);
1002 outfd = open(spooloutfilename,
1003 O_EXCL|O_CREAT|O_NONBLOCK|O_WRONLY,
1007 outfd = open(spooloutfilename,
1008 O_EXCL|O_NONBLOCK|O_WRONLY,
1013 syslog(LOG_ERR, "%s: %s", spooloutfilename, strerror(errno));
1015 CtdlNetworkTalkingTo(SKEY(NextHop), NTT_REMOVE);
1019 dsize = lseek(outfd, 0, SEEK_END);
1020 lseek(outfd, -dsize, SEEK_SET);
1022 fstat(infd, &statbuf);
1023 fsize = statbuf.st_size;
1025 FDIOBufferInit(&FDIO, &IOB, outfd, fsize + dsize);
1026 FDIO.ChunkSendRemain = fsize;
1027 FDIO.TotalSentAlready = dsize;
1030 do {} while ((FileMoveChunked(&FDIO, &err) > 0) && (err == NULL));
1033 syslog(LOG_DEBUG, "netspool: spoolfile %s now "SIZE_T_FMT" KB", spooloutfilename, (dsize + fsize)/1024);
1037 syslog(LOG_ERR, "netspool: failed to append to %s [%s]; rolling back..", spooloutfilename, strerror(errno));
1038 /* whoops partial append?? truncate spooloutfilename again! */
1039 ftruncate(outfd, dsize);
1041 FDIOBufferDelete(&FDIO);
1044 CtdlNetworkTalkingTo(SKEY(NextHop), NTT_REMOVE);
1050 FreeStrBuf(&NextHop);
1051 syslog(LOG_INFO, "netspool: skipping Spoolcleanup because of %d files unprocessed.", nFailed);
1056 /* Step 2: delete any files in the outbound queue that were for neighbors who no longer exist */
1057 dp = opendir(ctdl_netout_dir);
1059 FreeStrBuf(&NextHop);
1064 while ((readdir_r(dp, d, &filedir_entry) == 0) &&
1065 (filedir_entry != NULL))
1067 #ifdef _DIRENT_HAVE_D_NAMLEN
1068 d_namelen = filedir_entry->d_namlen;
1071 d_namelen = strlen(filedir_entry->d_name);
1074 #ifdef _DIRENT_HAVE_D_TYPE
1075 d_type = filedir_entry->d_type;
1077 d_type = DT_UNKNOWN;
1079 if (d_type == DT_DIR)
1082 if ((d_namelen == 1) &&
1083 (filedir_entry->d_name[0] == '.'))
1086 if ((d_namelen == 2) &&
1087 (filedir_entry->d_name[0] == '.') &&
1088 (filedir_entry->d_name[1] == '.'))
1091 pch = strchr(filedir_entry->d_name, '@');
1092 if (pch == NULL) /* no @ in name? consolidated file. */
1095 StrBufPlain(NextHop,
1096 filedir_entry->d_name,
1097 pch - filedir_entry->d_name);
1103 filedir_entry->d_name
1106 i = CtdlIsValidNode(&nexthop,
1112 if ( (i != 0) || (StrLength(nexthop) > 0) ) {
1116 FreeStrBuf(&NextHop);
1121 void free_spoolcontrol_struct(SpoolControl **sc)
1123 free_spoolcontrol_struct_members(*sc);
1128 void free_spoolcontrol_struct_members(SpoolControl *sc)
1131 FreeStrBuf(&sc->RoomInfo);
1132 FreeStrBuf(&sc->ListID);
1133 for (i = 0; i < maxRoomNetCfg; i++)
1134 FreeStrBuf(&sc->Users[i]);
1140 * It's ok if these directories already exist. Just fail silently.
1142 void create_spool_dirs(void) {
1143 if ((mkdir(ctdl_spool_dir, 0700) != 0) && (errno != EEXIST))
1144 syslog(LOG_EMERG, "netspool: unable to create directory [%s]: %s", ctdl_spool_dir, strerror(errno));
1145 if (chown(ctdl_spool_dir, CTDLUID, (-1)) != 0)
1146 syslog(LOG_EMERG, "netspool: unable to set the access rights for [%s]: %s", ctdl_spool_dir, strerror(errno));
1147 if ((mkdir(ctdl_netin_dir, 0700) != 0) && (errno != EEXIST))
1148 syslog(LOG_EMERG, "netspool: unable to create directory [%s]: %s", ctdl_netin_dir, strerror(errno));
1149 if (chown(ctdl_netin_dir, CTDLUID, (-1)) != 0)
1150 syslog(LOG_EMERG, "netspool: unable to set the access rights for [%s]: %s", ctdl_netin_dir, strerror(errno));
1151 if ((mkdir(ctdl_nettmp_dir, 0700) != 0) && (errno != EEXIST))
1152 syslog(LOG_EMERG, "netspool: unable to create directory [%s]: %s", ctdl_nettmp_dir, strerror(errno));
1153 if (chown(ctdl_nettmp_dir, CTDLUID, (-1)) != 0)
1154 syslog(LOG_EMERG, "netspool: unable to set the access rights for [%s]: %s", ctdl_nettmp_dir, strerror(errno));
1155 if ((mkdir(ctdl_netout_dir, 0700) != 0) && (errno != EEXIST))
1156 syslog(LOG_EMERG, "netspool: unable to create directory [%s]: %s", ctdl_netout_dir, strerror(errno));
1157 if (chown(ctdl_netout_dir, CTDLUID, (-1)) != 0)
1158 syslog(LOG_EMERG, "netspool: unable to set the access rights for [%s]: %s", ctdl_netout_dir, strerror(errno));
1162 * Module entry point
1164 CTDL_MODULE_INIT(network_spool)
1168 CtdlREGISTERRoomCfgType(subpending, ParseSubPendingLine, 0, 5, SerializeGeneric, DeleteGenericCfgLine); /// todo: move this to mailinglist manager
1169 CtdlREGISTERRoomCfgType(unsubpending, ParseUnSubPendingLine, 0, 4, SerializeGeneric, DeleteGenericCfgLine); /// todo: move this to mailinglist manager
1170 CtdlREGISTERRoomCfgType(lastsent, ParseLastSent, 1, 1, SerializeLastSent, DeleteLastSent);
1171 CtdlREGISTERRoomCfgType(ignet_push_share, ParseGeneric, 0, 2, SerializeGeneric, DeleteGenericCfgLine); // [remotenode|remoteroomname (optional)]// todo: move this to the ignet client
1172 CtdlREGISTERRoomCfgType(listrecp, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
1173 CtdlREGISTERRoomCfgType(digestrecp, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
1174 CtdlREGISTERRoomCfgType(participate, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
1175 CtdlREGISTERRoomCfgType(roommailalias, ParseRoomAlias, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
1177 create_spool_dirs();
1178 //////todo CtdlRegisterCleanupHook(destroy_network_queue_room);
1180 return "network_spool";