2 * Consolidate mail from remote POP3 accounts.
4 * Copyright (c) 2007-2009 by the citadel.org team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #if TIME_WITH_SYS_TIME
26 # include <sys/time.h>
30 # include <sys/time.h>
39 #include <sys/types.h>
41 #include <libcitadel.h>
44 #include "citserver.h"
47 #include "ctdl_module.h"
48 #include "clientsocket.h"
50 #include "internet_addressing.h"
52 #include "citadel_dirs.h"
53 #include "event_client.h"
56 struct CitContext pop3_client_CC;
58 citthread_mutex_t POP3QueueMutex; /* locks the access to the following vars: */
59 HashList *POP3QueueRooms = NULL; /* rss_room_counter */
60 HashList *POP3FetchUrls = NULL; /* -> rss_aggregator; ->RefCount access to be locked too. */
62 typedef struct __pop3_room_counter {
67 typedef enum ePOP3_C_States {
74 ReadMessageBodyFollowing,
82 typedef struct _FetchItem {
88 struct CtdlMessage *Msg;
91 void HfreeFetchItem(void *vItem)
93 FetchItem *Item = (FetchItem*) vItem;
94 FreeStrBuf(&Item->MsgUIDL);
95 FreeStrBuf(&Item->MsgUID);
99 typedef struct __pop3aggr {
104 /// ParsedURL *Pop3Host;
105 DNSQueryParts HostLookup;
109 HashList *OtherQRnumbers;
112 /// StrBuf *pop3host; -> URL
115 StrBuf *RoomName; // TODO: fill me
118 ePOP3_C_States State;
119 HashList *MsgNumbers;
124 void DeletePOP3Aggregator(void *vptr)
126 pop3aggr *ptr = vptr;
127 DeleteHashPos(&ptr->Pos);
128 DeleteHash(&ptr->MsgNumbers);
129 // FreeStrBuf(&ptr->rooms);
130 FreeStrBuf(&ptr->pop3user);
131 FreeStrBuf(&ptr->pop3pass);
132 FreeStrBuf(&ptr->RoomName);
133 FreeURL(&ptr->IO.ConnectMe);
134 FreeStrBuf(&ptr->Url);
135 FreeStrBuf(&ptr->IO.IOBuf);
136 FreeStrBuf(&ptr->IO.SendBuf.Buf);
137 FreeStrBuf(&ptr->IO.RecvBuf.Buf);
142 typedef eNextState(*Pop3ClientHandler)(pop3aggr* RecvMsg);
144 eNextState POP3_C_Shutdown(AsyncIO *IO);
145 eNextState POP3_C_Timeout(AsyncIO *IO);
146 eNextState POP3_C_ConnFail(AsyncIO *IO);
147 eNextState POP3_C_DispatchReadDone(AsyncIO *IO);
148 eNextState POP3_C_DispatchWriteDone(AsyncIO *IO);
149 eNextState POP3_C_Terminate(AsyncIO *IO);
150 eReadState POP3_C_ReadServerStatus(AsyncIO *IO);
151 eNextState POP3_C_ReAttachToFetchMessages(AsyncIO *IO);
153 eNextState FinalizePOP3AggrRun(AsyncIO *IO)
156 pop3aggr *cptr = (pop3aggr *)IO->Data;
158 CtdlLogPrintf(CTDL_DEBUG, "Terminating Aggregator; bye.\n");
160 It = GetNewHashPos(POP3FetchUrls, 0);
161 citthread_mutex_lock(&POP3QueueMutex);
163 GetHashPosFromKey(POP3FetchUrls, SKEY(cptr->Url), It);
164 DeleteEntryFromHash(POP3FetchUrls, It);
166 citthread_mutex_unlock(&POP3QueueMutex);
171 eNextState FailAggregationRun(AsyncIO *IO)
176 #define POP3C_DBG_SEND() CtdlLogPrintf(CTDL_DEBUG, "POP3 client[%ld]: > %s\n", RecvMsg->n, ChrPtr(RecvMsg->IO.SendBuf.Buf))
177 #define POP3C_DBG_READ() CtdlLogPrintf(CTDL_DEBUG, "POP3 client[%ld]: < %s\n", RecvMsg->n, ChrPtr(RecvMsg->IO.IOBuf))
178 #define POP3C_OK (strncasecmp(ChrPtr(RecvMsg->IO.IOBuf), "+OK", 3) == 0)
180 eNextState POP3C_ReadGreeting(pop3aggr *RecvMsg)
183 /* Read the server greeting */
184 if (!POP3C_OK) return eTerminateConnection;
185 else return eSendReply;
189 eNextState POP3C_SendUser(pop3aggr *RecvMsg)
191 /* Identify ourselves. NOTE: we have to append a CR to each command. The LF will
192 * automatically be appended by sock_puts(). Believe it or not, leaving out the CR
193 * will cause problems if the server happens to be Exchange, which is so b0rken it
194 * actually barfs on LF-terminated newlines.
196 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
197 "USER %s\r\n", ChrPtr(RecvMsg->pop3user));
202 eNextState POP3C_GetUserState(pop3aggr *RecvMsg)
205 if (!POP3C_OK) return eTerminateConnection;
206 else return eSendReply;
209 eNextState POP3C_SendPassword(pop3aggr *RecvMsg)
212 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
213 "PASS %s\r\n", ChrPtr(RecvMsg->pop3pass));
214 CtdlLogPrintf(CTDL_DEBUG, "<PASS <password>\n");
219 eNextState POP3C_GetPassState(pop3aggr *RecvMsg)
222 if (!POP3C_OK) return eTerminateConnection;
223 else return eSendReply;
226 eNextState POP3C_SendListCommand(pop3aggr *RecvMsg)
228 /* Get the list of messages */
229 StrBufPlain(RecvMsg->IO.SendBuf.Buf, HKEY("LIST\r\n"));
234 eNextState POP3C_GetListCommandState(pop3aggr *RecvMsg)
237 if (!POP3C_OK) return eTerminateConnection;
238 RecvMsg->MsgNumbers = NewHash(1, NULL);
244 eNextState POP3C_GetListOneLine(pop3aggr *RecvMsg)
247 FetchItem *OneMsg = NULL;
250 if ((StrLength(RecvMsg->IO.IOBuf) == 1) &&
251 (ChrPtr(RecvMsg->IO.IOBuf)[0] == '.'))
253 if (GetCount(RecvMsg->MsgNumbers) == 0)
255 //// RecvMsg->Sate = ReadQuitState;
259 RecvMsg->Pos = GetNewHashPos(RecvMsg->MsgNumbers, 0);
264 OneMsg = (FetchItem*) malloc(sizeof(FetchItem));
265 memset(OneMsg, 0, sizeof(FetchItem));
266 OneMsg->MSGID = atol(ChrPtr(RecvMsg->IO.IOBuf));
268 pch = strchr(ChrPtr(RecvMsg->IO.IOBuf), ' ');
271 OneMsg->MSGSize = atol(pch + 1);
273 Put(RecvMsg->MsgNumbers, LKEY(OneMsg->MSGID), OneMsg, HfreeFetchItem);
275 //RecvMsg->State --; /* read next Line */
279 eNextState POP3_FetchNetworkUsetableEntry(AsyncIO *IO)
284 struct cdbdata *cdbut;
285 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
287 if(GetNextHashPos(RecvMsg->MsgNumbers, RecvMsg->Pos, &HKLen, &HKey, &vData))
291 RecvMsg->CurrMsg = (FetchItem*) vData;
292 CtdlLogPrintf(CTDL_DEBUG, "CHECKING: whether %s has already been seen: ", ChrPtr(RecvMsg->CurrMsg->MsgUID));
293 /* Find out if we've already seen this item */
294 safestrncpy(ut.ut_msgid,
295 ChrPtr(RecvMsg->CurrMsg->MsgUID),
296 sizeof(ut.ut_msgid));
297 ut.ut_timestamp = time(NULL);/// TODO: libev timestamp!
299 cdbut = cdb_fetch(CDB_USETABLE, SKEY(RecvMsg->CurrMsg->MsgUID));
301 /* Item has already been seen */
302 CtdlLogPrintf(CTDL_DEBUG, "YES\n");
305 /* rewrite the record anyway, to update the timestamp */
306 cdb_store(CDB_USETABLE,
307 SKEY(RecvMsg->CurrMsg->MsgUID),
308 &ut, sizeof(struct UseTable) );
309 RecvMsg->CurrMsg->NeedFetch = 0;
313 CtdlLogPrintf(CTDL_DEBUG, "NO\n");
314 RecvMsg->CurrMsg->NeedFetch = 1;
316 return NextDBOperation(&RecvMsg->IO, POP3_FetchNetworkUsetableEntry);
320 /* ok, now we know them all, continue with reading the actual messages. */
321 DeleteHashPos(&RecvMsg->Pos);
323 return QueueEventContext(IO, POP3_C_ReAttachToFetchMessages);
327 eNextState POP3C_GetOneMessagID(pop3aggr *RecvMsg)
333 if(GetNextHashPos(RecvMsg->MsgNumbers, RecvMsg->Pos, &HKLen, &HKey, &vData))
335 RecvMsg->CurrMsg = (FetchItem*) vData;
336 /* Find out the UIDL of the message, to determine whether we've already downloaded it */
337 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
338 "UIDL %ld\r\n", RecvMsg->CurrMsg->MSGID);
344 DeleteHashPos(&RecvMsg->Pos);
345 /// done receiving uidls.. start looking them up now.
346 RecvMsg->Pos = GetNewHashPos(RecvMsg->MsgNumbers, 0);
347 return QueueDBOperation(&RecvMsg->IO, POP3_FetchNetworkUsetableEntry);
349 return eReadMore; /* TODO */
352 eNextState POP3C_GetOneMessageIDState(pop3aggr *RecvMsg)
355 if (!POP3C_OK) return eTerminateConnection;
356 RecvMsg->CurrMsg->MsgUIDL = NewStrBufPlain(NULL, StrLength(RecvMsg->IO.IOBuf));
357 RecvMsg->CurrMsg->MsgUID = NewStrBufPlain(NULL, StrLength(RecvMsg->IO.IOBuf) * 2);
359 StrBufExtract_token(RecvMsg->CurrMsg->MsgUIDL, RecvMsg->IO.IOBuf, 2, ' ');
360 StrBufPrintf(RecvMsg->CurrMsg->MsgUID,
362 ChrPtr(RecvMsg->RoomName),
363 ChrPtr(RecvMsg->CurrMsg->MsgUIDL),
364 RecvMsg->IO.ConnectMe->User,
365 RecvMsg->IO.ConnectMe->Host);
371 eNextState POP3C_SendGetOneMsg(pop3aggr *RecvMsg)
377 RecvMsg->CurrMsg = NULL;
378 while (GetNextHashPos(RecvMsg->MsgNumbers, RecvMsg->Pos, &HKLen, &HKey, &vData) &&
379 (RecvMsg->CurrMsg = (FetchItem*) vData, RecvMsg->CurrMsg->NeedFetch == 0))
382 if ((RecvMsg->CurrMsg != NULL ) && (RecvMsg->CurrMsg->NeedFetch == 1))
384 /* Message has not been seen. Tell the server to fetch the message... */
385 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
386 "RETR %ld\r\n", RecvMsg->CurrMsg->MSGID);
391 RecvMsg->State = ReadQuitState;
392 return POP3_C_DispatchWriteDone(&RecvMsg->IO);
397 eNextState POP3C_ReadMessageBodyFollowing(pop3aggr *RecvMsg)
400 if (!POP3C_OK) return eTerminateConnection;
401 RecvMsg->IO.ReadMsg = NewAsyncMsg(HKEY("."),
402 RecvMsg->CurrMsg->MSGSize,
411 eNextState POP3C_StoreMsgRead(AsyncIO *IO)
413 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
416 CtdlLogPrintf(CTDL_DEBUG, "MARKING: %s as seen: ", ChrPtr(RecvMsg->CurrMsg->MsgUID));
418 safestrncpy(ut.ut_msgid,
419 ChrPtr(RecvMsg->CurrMsg->MsgUID),
420 sizeof(ut.ut_msgid));
421 ut.ut_timestamp = time(NULL); /* TODO: use libev time */
422 cdb_store(CDB_USETABLE,
423 ChrPtr(RecvMsg->CurrMsg->MsgUID),
424 StrLength(RecvMsg->CurrMsg->MsgUID),
426 sizeof(struct UseTable) );
428 return QueueEventContext(&RecvMsg->IO, POP3_C_ReAttachToFetchMessages);
430 eNextState POP3C_SaveMsg(AsyncIO *IO)
433 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
435 /* Do Something With It (tm) */
436 msgnum = CtdlSubmitMsg(RecvMsg->CurrMsg->Msg,
438 ChrPtr(RecvMsg->RoomName),
441 /* Message has been committed to the store */
442 /* write the uidl to the use table so we don't fetch this message again */
444 CtdlFreeMessage(RecvMsg->CurrMsg->Msg);
446 return NextDBOperation(&RecvMsg->IO, POP3C_StoreMsgRead);
450 eNextState POP3C_ReadMessageBody(pop3aggr *RecvMsg)
452 CtdlLogPrintf(CTDL_DEBUG, "Converting message...\n");
453 RecvMsg->CurrMsg->Msg = convert_internet_message_buf(&RecvMsg->IO.ReadMsg->MsgBuf);
455 return QueueDBOperation(&RecvMsg->IO, POP3C_SaveMsg);
458 eNextState POP3C_SendDelete(pop3aggr *RecvMsg)
460 if (!RecvMsg->keep) {
461 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
462 "DELE %ld\r\n", RecvMsg->CurrMsg->MSGID);
467 RecvMsg->State = ReadMessageBodyFollowing;
468 return POP3_C_DispatchWriteDone(&RecvMsg->IO);
471 eNextState POP3C_ReadDeleteState(pop3aggr *RecvMsg)
474 RecvMsg->State = GetOneMessageIDState;
478 eNextState POP3C_SendQuit(pop3aggr *RecvMsg)
481 StrBufPlain(RecvMsg->IO.SendBuf.Buf,
488 eNextState POP3C_ReadQuitState(pop3aggr *RecvMsg)
491 return eTerminateConnection;
494 const long POP3_C_ConnTimeout = 1000;
495 const long DefaultPOP3Port = 110;
497 Pop3ClientHandler POP3C_ReadHandlers[] = {
501 POP3C_GetListCommandState,
502 POP3C_GetListOneLine,
503 POP3C_GetOneMessageIDState,
504 POP3C_ReadMessageBodyFollowing,
505 POP3C_ReadMessageBody,
506 POP3C_ReadDeleteState,
510 const long POP3_C_SendTimeouts[POP3C_MaxRead] = {
520 const ConstStr POP3C_ReadErrors[POP3C_MaxRead] = {
521 {HKEY("Connection broken during ")},
522 {HKEY("Connection broken during ")},
523 {HKEY("Connection broken during ")},
524 {HKEY("Connection broken during ")},
525 {HKEY("Connection broken during ")},
526 {HKEY("Connection broken during ")},
527 {HKEY("Connection broken during ")},
528 {HKEY("Connection broken during ")}
531 Pop3ClientHandler POP3C_SendHandlers[] = {
532 NULL, /* we don't send a greeting */
535 POP3C_SendListCommand,
537 POP3C_GetOneMessagID,
544 const long POP3_C_ReadTimeouts[] = {
556 /*****************************************************************************/
557 /* POP3 CLIENT DISPATCHER */
558 /*****************************************************************************/
560 void POP3SetTimeout(eNextState NextTCPState, pop3aggr *pMsg)
562 double Timeout = 0.0;
564 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
566 switch (NextTCPState) {
569 Timeout = POP3_C_SendTimeouts[pMsg->State];
571 if (pMsg->State == eDATABody) {
572 / * if we're sending a huge message, we need more time. * /
573 Timeout += StrLength(pMsg->msgtext) / 1024;
578 Timeout = POP3_C_ReadTimeouts[pMsg->State];
580 if (pMsg->State == eDATATerminateBody) {
582 * some mailservers take a nap before accepting the message
583 * content inspection and such.
585 Timeout += StrLength(pMsg->msgtext) / 1024;
596 case eTerminateConnection:
599 case eReadMore://// TODO
602 SetNextTimeout(&pMsg->IO, Timeout);
604 eNextState POP3_C_DispatchReadDone(AsyncIO *IO)
606 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
607 pop3aggr *pMsg = IO->Data;
610 rc = POP3C_ReadHandlers[pMsg->State](pMsg);
613 POP3SetTimeout(rc, pMsg);
616 eNextState POP3_C_DispatchWriteDone(AsyncIO *IO)
618 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
619 pop3aggr *pMsg = IO->Data;
622 rc = POP3C_SendHandlers[pMsg->State](pMsg);
623 POP3SetTimeout(rc, pMsg);
628 /*****************************************************************************/
629 /* POP3 CLIENT ERROR CATCHERS */
630 /*****************************************************************************/
631 eNextState POP3_C_Terminate(AsyncIO *IO)
633 /// pop3aggr *pMsg = (pop3aggr *)IO->Data;
635 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
636 FinalizePOP3AggrRun(IO);
639 eNextState POP3_C_Timeout(AsyncIO *IO)
641 pop3aggr *pMsg = IO->Data;
643 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
644 StrBufPlain(IO->ErrMsg, CKEY(POP3C_ReadErrors[pMsg->State]));
645 return FailAggregationRun(IO);
647 eNextState POP3_C_ConnFail(AsyncIO *IO)
649 pop3aggr *pMsg = (pop3aggr *)IO->Data;
651 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
652 StrBufPlain(IO->ErrMsg, CKEY(POP3C_ReadErrors[pMsg->State]));
653 return FailAggregationRun(IO);
655 eNextState POP3_C_Shutdown(AsyncIO *IO)
657 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
658 //// pop3aggr *pMsg = IO->Data;
660 ////pMsg->MyQEntry->Status = 3;
661 ///StrBufPlain(pMsg->MyQEntry->StatusMessage, HKEY("server shutdown during message retrieval."));
662 FinalizePOP3AggrRun(IO);
668 * @brief lineread Handler; understands when to read more POP3 lines, and when this is a one-lined reply.
670 eReadState POP3_C_ReadServerStatus(AsyncIO *IO)
672 eReadState Finished = eBufferNotEmpty;
674 switch (IO->NextState) {
679 case eTerminateConnection:
681 Finished = eReadFail;
687 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
690 Finished = CtdlReadMessageBodyAsync(IO);
696 /*****************************************************************************
697 * So we connect our Server IP here. *
698 *****************************************************************************/
699 eNextState POP3_C_ReAttachToFetchMessages(AsyncIO *IO)
701 pop3aggr *cpptr = IO->Data;
703 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
704 ////??? cpptr->State ++;
705 if (cpptr->Pos == NULL)
706 cpptr->Pos = GetNewHashPos(cpptr->MsgNumbers, 0);
708 POP3_C_DispatchWriteDone(IO);
709 ReAttachIO(IO, cpptr, 0);
710 IO->NextState = eReadMessage;
711 return IO->NextState;
714 eNextState connect_ip(AsyncIO *IO)
716 pop3aggr *cpptr = IO->Data;
718 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
720 //// IO->ConnectMe = &cpptr->Pop3Host;
721 /* Bypass the ns lookup result like this: IO->Addr.sin_addr.s_addr = inet_addr("127.0.0.1"); */
723 /////// SetConnectStatus(IO);
725 return InitEventIO(IO, cpptr,
727 POP3_C_ReadTimeouts[0],
731 eNextState get_one_host_ip_done(AsyncIO *IO)
733 pop3aggr *cpptr = IO->Data;
734 struct hostent *hostent;
738 hostent = cpptr->HostLookup.VParsedDNSReply;
739 if ((cpptr->HostLookup.DNSStatus == ARES_SUCCESS) &&
740 (hostent != NULL) ) {
741 memset(&cpptr->IO.ConnectMe->Addr, 0, sizeof(struct in6_addr));
742 if (cpptr->IO.ConnectMe->IPv6) {
743 memcpy(&cpptr->IO.ConnectMe->Addr.sin6_addr.s6_addr,
744 &hostent->h_addr_list[0],
745 sizeof(struct in6_addr));
747 cpptr->IO.ConnectMe->Addr.sin6_family = hostent->h_addrtype;
748 cpptr->IO.ConnectMe->Addr.sin6_port = htons(DefaultPOP3Port);
751 struct sockaddr_in *addr = (struct sockaddr_in*) &cpptr->IO.ConnectMe->Addr;
752 /* Bypass the ns lookup result like this: IO->Addr.sin_addr.s_addr = inet_addr("127.0.0.1"); */
753 // addr->sin_addr.s_addr = htonl((uint32_t)&hostent->h_addr_list[0]);
754 memcpy(&addr->sin_addr.s_addr,
755 hostent->h_addr_list[0],
758 addr->sin_family = hostent->h_addrtype;
759 addr->sin_port = htons(DefaultPOP3Port);
762 return connect_ip(IO);
768 eNextState get_one_host_ip(AsyncIO *IO)
770 pop3aggr *cpptr = IO->Data;
772 * here we start with the lookup of one host. it might be...
773 * - the relay host *sigh*
774 * - the direct hostname if there was no mx record
780 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s\n", __FUNCTION__);
782 CtdlLogPrintf(CTDL_DEBUG,
783 "POP3 client[%ld]: looking up %s-Record %s : %d ...\n",
785 (cpptr->IO.ConnectMe->IPv6)? "aaaa": "a",
786 cpptr->IO.ConnectMe->Host,
787 cpptr->IO.ConnectMe->Port);
789 if (!QueueQuery((cpptr->IO.ConnectMe->IPv6)? ns_t_aaaa : ns_t_a,
790 cpptr->IO.ConnectMe->Host,
793 get_one_host_ip_done))
795 // cpptr->MyQEntry->Status = 5;
796 // StrBufPrintf(SendMsg->MyQEntry->StatusMessage,
797 // "No MX hosts found for <%s>", SendMsg->node);
798 cpptr->IO.NextState = eTerminateConnection;
799 return IO->NextState;
801 IO->NextState = eReadDNSReply;
802 return IO->NextState;
807 int pop3_do_fetching(pop3aggr *cpptr)
811 cpptr->IO.Data = cpptr;
813 cpptr->IO.SendDone = POP3_C_DispatchWriteDone;
814 cpptr->IO.ReadDone = POP3_C_DispatchReadDone;
815 cpptr->IO.Terminate = POP3_C_Terminate;
816 cpptr->IO.LineReader = POP3_C_ReadServerStatus;
817 cpptr->IO.ConnFail = POP3_C_ConnFail;
818 cpptr->IO.Timeout = POP3_C_Timeout;
819 cpptr->IO.ShutdownAbort = POP3_C_Shutdown;
821 cpptr->IO.SendBuf.Buf = NewStrBufPlain(NULL, 1024);
822 cpptr->IO.RecvBuf.Buf = NewStrBufPlain(NULL, 1024);
823 cpptr->IO.IOBuf = NewStrBuf();
825 cpptr->IO.NextState = eReadMessage;
827 CtdlLogPrintf(CTDL_DEBUG, "POP3: %s %s %s <password>\n", roomname, pop3host, pop3user);
828 CtdlLogPrintf(CTDL_NOTICE, "Connecting to <%s>\n", pop3host);
831 SubC = CloneContext (&pop3_client_CC);
832 SubC->session_specific_data = (char*) cpptr;
833 cpptr->IO.CitContext = SubC;
835 if (cpptr->IO.ConnectMe->IsIP) {
836 QueueEventContext(&cpptr->IO,
839 else { /* uneducated admin has chosen to add DNS to the equation... */
840 QueueEventContext(&cpptr->IO,
847 * Scan a room's netconfig to determine whether it requires POP3 aggregation
849 void pop3client_scan_room(struct ctdlroom *qrbuf, void *data)
856 char filename[PATH_MAX];
860 const char *CfgPtr, *lPtr;
863 // pop3_room_counter *Count = NULL;
866 citthread_mutex_lock(&POP3QueueMutex);
867 if (GetHash(POP3QueueRooms, LKEY(qrbuf->QRnumber), &vptr))
869 CtdlLogPrintf(CTDL_DEBUG,
870 "pop3client: [%ld] %s already in progress.\n",
873 citthread_mutex_unlock(&POP3QueueMutex);
876 citthread_mutex_unlock(&POP3QueueMutex);
878 assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
880 if (CtdlThreadCheckStop())
883 /* Only do net processing for rooms that have netconfigs */
884 fd = open(filename, 0);
886 //CtdlLogPrintf(CTDL_DEBUG, "rssclient: %s no config.\n", qrbuf->QRname);
889 if (CtdlThreadCheckStop())
891 if (fstat(fd, &statbuf) == -1) {
892 CtdlLogPrintf(CTDL_DEBUG, "ERROR: could not stat configfile '%s' - %s\n",
893 filename, strerror(errno));
896 if (CtdlThreadCheckStop())
898 CfgData = NewStrBufPlain(NULL, statbuf.st_size + 1);
899 if (StrBufReadBLOB(CfgData, &fd, 1, statbuf.st_size, &Err) < 0) {
901 FreeStrBuf(&CfgData);
902 CtdlLogPrintf(CTDL_DEBUG, "ERROR: reading config '%s' - %s<br>\n",
903 filename, strerror(errno));
907 if (CtdlThreadCheckStop())
911 CfgType = NewStrBuf();
912 Line = NewStrBufPlain(NULL, StrLength(CfgData));
917 Done = StrBufSipLine(Line, CfgData, &CfgPtr) == 0;
918 if (StrLength(Line) > 0)
921 StrBufExtract_NextToken(CfgType, Line, &lPtr, '|');
922 if (!strcasecmp("pop3client", ChrPtr(CfgType)))
929 Count = malloc(sizeof(pop3_room_counter));
934 cptr = (pop3aggr *) malloc(sizeof(pop3aggr));
935 memset(cptr, 0, sizeof(pop3aggr));
936 /// TODO do we need this? cptr->roomlist_parts = 1;
937 cptr->RoomName = NewStrBufPlain(qrbuf->QRname, -1);
938 cptr->pop3user = NewStrBufPlain(NULL, StrLength(Line));
939 cptr->pop3pass = NewStrBufPlain(NULL, StrLength(Line));
940 cptr->Url = NewStrBuf();
943 StrBufExtract_NextToken(Tmp, Line, &lPtr, '|');
944 StrBufExtract_NextToken(cptr->pop3user, Line, &lPtr, '|');
945 StrBufExtract_NextToken(cptr->pop3pass, Line, &lPtr, '|');
946 cptr->keep = StrBufExtractNext_long(Line, &lPtr, '|');
947 cptr->interval = StrBufExtractNext_long(Line, &lPtr, '|');
949 StrBufPrintf(cptr->Url, "pop3://%s:%s@%s/%s",
950 ChrPtr(cptr->pop3user),
951 ChrPtr(cptr->pop3pass),
953 ChrPtr(cptr->RoomName));
955 ParseURL(&cptr->IO.ConnectMe, cptr->Url, 110);
959 /* todo: we need to reunite the url to be shure. */
961 citthread_mutex_lock(&POP3ueueMutex);
962 GetHash(POP3FetchUrls, SKEY(ptr->Url), &vptr);
963 use_this_cptr = (pop3aggr *)vptr;
965 if (use_this_rncptr != NULL)
967 /* mustn't attach to an active session */
968 if (use_this_cptr->RefCount > 0)
976 StrBufAppendBufPlain(use_this_cptr->rooms,
979 if (use_this_cptr->roomlist_parts == 1)
981 use_this_cptr->OtherQRnumbers = NewHash(1, lFlathash);
983 QRnumber = (long*)malloc(sizeof(long));
984 *QRnumber = qrbuf->QRnumber;
985 Put(use_this_cptr->OtherQRnumbers, LKEY(qrbuf->QRnumber), QRnumber, NULL);
986 use_this_cptr->roomlist_parts++;
988 citthread_mutex_unlock(&POP3QueueMutex);
991 citthread_mutex_unlock(&RSSQueueMutex);
994 citthread_mutex_lock(&POP3QueueMutex);
995 Put(POP3FetchUrls, SKEY(cptr->Url), cptr, DeletePOP3Aggregator);
996 citthread_mutex_unlock(&POP3QueueMutex);
1006 FreeStrBuf(&CfgType);
1007 FreeStrBuf(&CfgData);
1011 void pop3client_scan(void) {
1012 static time_t last_run = 0L;
1013 static int doing_pop3client = 0;
1014 /// struct pop3aggr *pptr;
1015 time_t fastest_scan;
1022 if (config.c_pop3_fastest < config.c_pop3_fetch)
1023 fastest_scan = config.c_pop3_fastest;
1025 fastest_scan = config.c_pop3_fetch;
1028 * Run POP3 aggregation no more frequently than once every n seconds
1030 if ( (time(NULL) - last_run) < fastest_scan ) {
1035 * This is a simple concurrency check to make sure only one pop3client run
1036 * is done at a time. We could do this with a mutex, but since we
1037 * don't really require extremely fine granularity here, we'll do it
1038 * with a static variable instead.
1040 if (doing_pop3client) return;
1041 doing_pop3client = 1;
1043 CtdlLogPrintf(CTDL_DEBUG, "pop3client started\n");
1044 CtdlForEachRoom(pop3client_scan_room, NULL);
1047 citthread_mutex_lock(&POP3QueueMutex);
1048 it = GetNewHashPos(POP3FetchUrls, 0);
1049 while (GetNextHashPos(POP3FetchUrls, it, &len, &Key, &vrptr) &&
1051 cptr = (pop3aggr *)vrptr;
1052 if (cptr->RefCount == 0)
1053 if (!pop3_do_fetching(cptr))
1054 DeletePOP3Aggregator(cptr);////TODO
1057 citthread_mutex_unlock(&POP3QueueMutex);
1059 CtdlLogPrintf(CTDL_DEBUG, "pop3client ended\n");
1060 last_run = time(NULL);
1061 doing_pop3client = 0;
1065 void pop3_cleanup(void)
1067 citthread_mutex_destroy(&POP3QueueMutex);
1068 DeleteHash(&POP3FetchUrls);
1069 DeleteHash(&POP3QueueRooms);
1072 CTDL_MODULE_INIT(pop3client)
1076 CtdlFillSystemContext(&pop3_client_CC, "POP3aggr");
1077 citthread_mutex_init(&POP3QueueMutex, NULL);
1078 POP3QueueRooms = NewHash(1, lFlathash);
1079 POP3FetchUrls = NewHash(1, NULL);
1080 CtdlRegisterSessionHook(pop3client_scan, EVT_TIMER);
1081 CtdlRegisterCleanupHook(pop3_cleanup);
1083 /* return our Subversion id for the Log */
1084 return "pop3client";