2 * Consolidate mail from remote POP3 accounts.
4 * Copyright (c) 2007-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as published
8 * by 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 #define POP3C_OK (strncasecmp(ChrPtr(RecvMsg->IO.IOBuf), "+OK", 3) == 0)
58 int POP3ClientDebugEnabled = 0;
60 #define N ((pop3aggr*)IO->Data)->n
62 #define DBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (POP3ClientDebugEnabled != 0))
64 #define EVP3C_syslog(LEVEL, FORMAT, ...) \
65 DBGLOG(LEVEL) syslog(LEVEL, \
66 "IO[%ld]CC[%d][%ld]POP3: " FORMAT, \
67 IO->ID, CCID, N, __VA_ARGS__)
69 #define EVP3CM_syslog(LEVEL, FORMAT) \
70 DBGLOG(LEVEL) syslog(LEVEL, \
71 "IO[%ld]CC[%d][%ld]POP3: " FORMAT, \
74 #define EVP3CQ_syslog(LEVEL, FORMAT, ...) \
75 DBGLOG(LEVEL) syslog(LEVEL, \
79 #define EVP3CQM_syslog(LEVEL, FORMAT) \
80 DBGLOG(LEVEL) syslog(LEVEL, \
84 #define EVP3CCS_syslog(LEVEL, FORMAT, ...) \
85 DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]POP3: " FORMAT, \
86 IO->ID, N, __VA_ARGS__)
88 #define EVP3CCSM_syslog(LEVEL, FORMAT) \
89 DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]POP3: " FORMAT, \
92 #define POP3C_DBG_SEND() \
93 EVP3C_syslog(LOG_DEBUG, \
94 "IO[%ld]CC[%d][%ld]POP3: > %s\n", \
96 ChrPtr(RecvMsg->IO.SendBuf.Buf))
98 #define POP3C_DBG_READ() \
99 EVP3C_syslog(LOG_DEBUG, \
100 "IO[%ld]CC[%d][%ld]POP3: < %s\n", \
102 ChrPtr(RecvMsg->IO.IOBuf))
105 struct CitContext pop3_client_CC;
107 pthread_mutex_t POP3QueueMutex; /* locks the access to the following vars: */
108 HashList *POP3QueueRooms = NULL;
109 HashList *POP3FetchUrls = NULL;
111 typedef struct pop3aggr pop3aggr;
112 typedef eNextState(*Pop3ClientHandler)(pop3aggr* RecvMsg);
114 eNextState POP3_C_Shutdown(AsyncIO *IO);
115 eNextState POP3_C_Timeout(AsyncIO *IO);
116 eNextState POP3_C_ConnFail(AsyncIO *IO);
117 eNextState POP3_C_DNSFail(AsyncIO *IO);
118 eNextState POP3_C_DispatchReadDone(AsyncIO *IO);
119 eNextState POP3_C_DispatchWriteDone(AsyncIO *IO);
120 eNextState POP3_C_Terminate(AsyncIO *IO);
121 eReadState POP3_C_ReadServerStatus(AsyncIO *IO);
122 eNextState POP3_C_ReAttachToFetchMessages(AsyncIO *IO);
124 typedef struct __pop3_room_counter {
129 typedef enum ePOP3_C_States {
135 GetOneMessageIDState,
136 ReadMessageBodyFollowing,
144 typedef struct _FetchItem {
150 struct CtdlMessage *Msg;
153 void HfreeFetchItem(void *vItem)
155 FetchItem *Item = (FetchItem*) vItem;
156 FreeStrBuf(&Item->MsgUIDL);
157 FreeStrBuf(&Item->MsgUID);
168 DNSQueryParts HostLookup;
171 HashList *OtherQRnumbers;
177 StrBuf *RoomName; // TODO: fill me
180 ePOP3_C_States State;
181 HashList *MsgNumbers;
186 void DeletePOP3Aggregator(void *vptr)
188 pop3aggr *ptr = vptr;
189 DeleteHashPos(&ptr->Pos);
190 DeleteHash(&ptr->MsgNumbers);
191 // FreeStrBuf(&ptr->rooms);
192 FreeStrBuf(&ptr->pop3user);
193 FreeStrBuf(&ptr->pop3pass);
194 FreeStrBuf(&ptr->Host);
195 FreeStrBuf(&ptr->RoomName);
196 FreeURL(&ptr->IO.ConnectMe);
197 FreeStrBuf(&ptr->Url);
198 FreeStrBuf(&ptr->IO.IOBuf);
199 FreeStrBuf(&ptr->IO.SendBuf.Buf);
200 FreeStrBuf(&ptr->IO.RecvBuf.Buf);
201 DeleteAsyncMsg(&ptr->IO.ReadMsg);
202 ((struct CitContext*)ptr->IO.CitContext)->state = CON_IDLE;
203 ((struct CitContext*)ptr->IO.CitContext)->kill_me = 1;
204 FreeAsyncIOContents(&ptr->IO);
208 eNextState FinalizePOP3AggrRun(AsyncIO *IO)
211 pop3aggr *cpptr = (pop3aggr *)IO->Data;
213 EVP3C_syslog(LOG_INFO,
214 "%s@%s: fetched %ld new of %d messages in %fs. bye.",
215 ChrPtr(cpptr->pop3user),
218 GetCount(cpptr->MsgNumbers),
219 IO->Now - cpptr->IOStart
222 It = GetNewHashPos(POP3FetchUrls, 0);
223 pthread_mutex_lock(&POP3QueueMutex);
225 if (GetHashPosFromKey(POP3FetchUrls, SKEY(cpptr->Url), It))
226 DeleteEntryFromHash(POP3FetchUrls, It);
228 pthread_mutex_unlock(&POP3QueueMutex);
233 eNextState FailAggregationRun(AsyncIO *IO)
238 eNextState POP3C_ReadGreeting(pop3aggr *RecvMsg)
240 AsyncIO *IO = &RecvMsg->IO;
242 /* Read the server greeting */
243 if (!POP3C_OK) return eTerminateConnection;
244 else return eSendReply;
247 eNextState POP3C_SendUser(pop3aggr *RecvMsg)
249 AsyncIO *IO = &RecvMsg->IO;
250 /* Identify ourselves. NOTE: we have to append a CR to each command.
251 * The LF will automatically be appended by sock_puts(). Believe it
252 * or not, leaving out the CR will cause problems if the server happens
253 * to be Exchange, which is so b0rken it actually barfs on
254 * LF-terminated newlines.
256 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
257 "USER %s\r\n", ChrPtr(RecvMsg->pop3user));
262 eNextState POP3C_GetUserState(pop3aggr *RecvMsg)
264 AsyncIO *IO = &RecvMsg->IO;
266 if (!POP3C_OK) return eTerminateConnection;
267 else return eSendReply;
270 eNextState POP3C_SendPassword(pop3aggr *RecvMsg)
272 AsyncIO *IO = &RecvMsg->IO;
274 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
275 "PASS %s\r\n", ChrPtr(RecvMsg->pop3pass));
276 EVP3CM_syslog(LOG_DEBUG, "<PASS <password>\n");
277 // POP3C_DBG_SEND(); No, we won't write the passvoid to syslog...
281 eNextState POP3C_GetPassState(pop3aggr *RecvMsg)
283 AsyncIO *IO = &RecvMsg->IO;
285 if (!POP3C_OK) return eTerminateConnection;
286 else return eSendReply;
289 eNextState POP3C_SendListCommand(pop3aggr *RecvMsg)
291 AsyncIO *IO = &RecvMsg->IO;
292 /* Get the list of messages */
293 StrBufPlain(RecvMsg->IO.SendBuf.Buf, HKEY("LIST\r\n"));
298 eNextState POP3C_GetListCommandState(pop3aggr *RecvMsg)
300 AsyncIO *IO = &RecvMsg->IO;
302 if (!POP3C_OK) return eTerminateConnection;
303 RecvMsg->MsgNumbers = NewHash(1, NULL);
309 eNextState POP3C_GetListOneLine(pop3aggr *RecvMsg)
311 AsyncIO *IO = &RecvMsg->IO;
316 FetchItem *OneMsg = NULL;
319 if ((StrLength(RecvMsg->IO.IOBuf) == 1) &&
320 (ChrPtr(RecvMsg->IO.IOBuf)[0] == '.'))
322 if (GetCount(RecvMsg->MsgNumbers) == 0)
324 //// RecvMsg->Sate = ReadQuitState;
328 RecvMsg->Pos = GetNewHashPos(RecvMsg->MsgNumbers, 0);
333 OneMsg = (FetchItem*) malloc(sizeof(FetchItem));
334 memset(OneMsg, 0, sizeof(FetchItem));
335 OneMsg->MSGID = atol(ChrPtr(RecvMsg->IO.IOBuf));
337 pch = strchr(ChrPtr(RecvMsg->IO.IOBuf), ' ');
340 OneMsg->MSGSize = atol(pch + 1);
343 rc = TestValidateHash(RecvMsg->MsgNumbers);
345 EVP3CCS_syslog(LOG_DEBUG, "Hash Invalid: %d\n", rc);
348 Put(RecvMsg->MsgNumbers, LKEY(OneMsg->MSGID), OneMsg, HfreeFetchItem);
350 rc = TestValidateHash(RecvMsg->MsgNumbers);
352 EVP3CCS_syslog(LOG_DEBUG, "Hash Invalid: %d\n", rc);
354 //RecvMsg->State --; /* read next Line */
358 eNextState POP3_FetchNetworkUsetableEntry(AsyncIO *IO)
363 struct cdbdata *cdbut;
364 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
366 if((RecvMsg->Pos != NULL) &&
367 GetNextHashPos(RecvMsg->MsgNumbers,
374 if (server_shutting_down)
377 RecvMsg->CurrMsg = (FetchItem*) vData;
378 EVP3CCS_syslog(LOG_DEBUG,
379 "CHECKING: whether %s has already been seen: ",
380 ChrPtr(RecvMsg->CurrMsg->MsgUID));
382 /* Find out if we've already seen this item */
383 safestrncpy(ut.ut_msgid,
384 ChrPtr(RecvMsg->CurrMsg->MsgUID),
385 sizeof(ut.ut_msgid));
386 ut.ut_timestamp = time(NULL);/// TODO: libev timestamp!
388 cdbut = cdb_fetch(CDB_USETABLE, SKEY(RecvMsg->CurrMsg->MsgUID));
390 /* Item has already been seen */
391 EVP3CCSM_syslog(LOG_DEBUG, "YES\n");
394 /* rewrite the record anyway, to update the timestamp */
395 cdb_store(CDB_USETABLE,
396 SKEY(RecvMsg->CurrMsg->MsgUID),
397 &ut, sizeof(struct UseTable) );
398 RecvMsg->CurrMsg->NeedFetch = 0; ////TODO0;
402 EVP3CCSM_syslog(LOG_DEBUG, "NO\n");
403 RecvMsg->CurrMsg->NeedFetch = 1;
405 return NextDBOperation(&RecvMsg->IO,
406 POP3_FetchNetworkUsetableEntry);
410 /* ok, now we know them all,
411 * continue with reading the actual messages. */
412 DeleteHashPos(&RecvMsg->Pos);
414 return QueueEventContext(IO, POP3_C_ReAttachToFetchMessages);
418 eNextState POP3C_GetOneMessagID(pop3aggr *RecvMsg)
420 AsyncIO *IO = &RecvMsg->IO;
427 rc = TestValidateHash(RecvMsg->MsgNumbers);
429 EVP3CCS_syslog(LOG_DEBUG, "Hash Invalid: %d\n", rc);
431 if((RecvMsg->Pos != NULL) &&
432 GetNextHashPos(RecvMsg->MsgNumbers,
437 RecvMsg->CurrMsg = (FetchItem*) vData;
438 /* Find out the UIDL of the message,
439 * to determine whether we've already downloaded it */
440 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
441 "UIDL %ld\r\n", RecvMsg->CurrMsg->MSGID);
447 DeleteHashPos(&RecvMsg->Pos);
448 /// done receiving uidls.. start looking them up now.
449 RecvMsg->Pos = GetNewHashPos(RecvMsg->MsgNumbers, 0);
450 return QueueDBOperation(&RecvMsg->IO,
451 POP3_FetchNetworkUsetableEntry);
453 return eReadMore; /* TODO */
456 eNextState POP3C_GetOneMessageIDState(pop3aggr *RecvMsg)
458 AsyncIO *IO = &RecvMsg->IO;
461 rc = TestValidateHash(RecvMsg->MsgNumbers);
463 EVP3CCS_syslog(LOG_DEBUG, "Hash Invalid: %d\n", rc);
467 if (!POP3C_OK) return eTerminateConnection;
468 RecvMsg->CurrMsg->MsgUIDL =
469 NewStrBufPlain(NULL, StrLength(RecvMsg->IO.IOBuf));
470 RecvMsg->CurrMsg->MsgUID =
471 NewStrBufPlain(NULL, StrLength(RecvMsg->IO.IOBuf) * 2);
473 StrBufExtract_token(RecvMsg->CurrMsg->MsgUIDL,
474 RecvMsg->IO.IOBuf, 2, ' ');
476 StrBufPrintf(RecvMsg->CurrMsg->MsgUID,
478 ChrPtr(RecvMsg->RoomName),
479 ChrPtr(RecvMsg->CurrMsg->MsgUIDL),
480 RecvMsg->IO.ConnectMe->User,
481 RecvMsg->IO.ConnectMe->Host);
487 eNextState POP3C_SendGetOneMsg(pop3aggr *RecvMsg)
489 AsyncIO *IO = &RecvMsg->IO;
494 RecvMsg->CurrMsg = NULL;
495 while ((RecvMsg->Pos != NULL) &&
496 GetNextHashPos(RecvMsg->MsgNumbers,
500 (RecvMsg->CurrMsg = (FetchItem*) vData,
501 RecvMsg->CurrMsg->NeedFetch == 0))
504 if ((RecvMsg->CurrMsg != NULL ) && (RecvMsg->CurrMsg->NeedFetch == 1))
506 /* Message has not been seen.
507 * Tell the server to fetch the message... */
508 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
509 "RETR %ld\r\n", RecvMsg->CurrMsg->MSGID);
514 RecvMsg->State = ReadQuitState;
515 return POP3_C_DispatchWriteDone(&RecvMsg->IO);
520 eNextState POP3C_ReadMessageBodyFollowing(pop3aggr *RecvMsg)
522 AsyncIO *IO = &RecvMsg->IO;
524 if (!POP3C_OK) return eTerminateConnection;
525 RecvMsg->IO.ReadMsg = NewAsyncMsg(HKEY("."),
526 RecvMsg->CurrMsg->MSGSize,
535 eNextState POP3C_StoreMsgRead(AsyncIO *IO)
537 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
540 EVP3CCS_syslog(LOG_DEBUG,
541 "MARKING: %s as seen: ",
542 ChrPtr(RecvMsg->CurrMsg->MsgUID));
544 safestrncpy(ut.ut_msgid,
545 ChrPtr(RecvMsg->CurrMsg->MsgUID),
546 sizeof(ut.ut_msgid));
547 ut.ut_timestamp = time(NULL); /* TODO: use libev time */
548 cdb_store(CDB_USETABLE,
549 ChrPtr(RecvMsg->CurrMsg->MsgUID),
550 StrLength(RecvMsg->CurrMsg->MsgUID),
552 sizeof(struct UseTable) );
554 return QueueEventContext(&RecvMsg->IO, POP3_C_ReAttachToFetchMessages);
556 eNextState POP3C_SaveMsg(AsyncIO *IO)
559 pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
561 /* Do Something With It (tm) */
562 msgnum = CtdlSubmitMsg(RecvMsg->CurrMsg->Msg,
564 ChrPtr(RecvMsg->RoomName),
568 /* Message has been committed to the store
569 * write the uidl to the use table
570 * so we don't fetch this message again
573 CtdlFreeMessage(RecvMsg->CurrMsg->Msg);
576 return NextDBOperation(&RecvMsg->IO, POP3C_StoreMsgRead);
579 eNextState POP3C_ReadMessageBody(pop3aggr *RecvMsg)
581 AsyncIO *IO = &RecvMsg->IO;
582 EVP3CM_syslog(LOG_DEBUG, "Converting message...");
583 RecvMsg->CurrMsg->Msg =
584 convert_internet_message_buf(&RecvMsg->IO.ReadMsg->MsgBuf);
585 StopClientWatchers(IO, 0);
586 return QueueDBOperation(&RecvMsg->IO, POP3C_SaveMsg);
589 eNextState POP3C_SendDelete(pop3aggr *RecvMsg)
591 AsyncIO *IO = &RecvMsg->IO;
592 if (!RecvMsg->keep) {
593 StrBufPrintf(RecvMsg->IO.SendBuf.Buf,
594 "DELE %ld\r\n", RecvMsg->CurrMsg->MSGID);
599 RecvMsg->State = ReadMessageBodyFollowing;
600 return POP3_C_DispatchWriteDone(&RecvMsg->IO);
603 eNextState POP3C_ReadDeleteState(pop3aggr *RecvMsg)
605 AsyncIO *IO = &RecvMsg->IO;
607 RecvMsg->State = GetOneMessageIDState;
611 eNextState POP3C_SendQuit(pop3aggr *RecvMsg)
613 AsyncIO *IO = &RecvMsg->IO;
615 StrBufPlain(RecvMsg->IO.SendBuf.Buf,
622 eNextState POP3C_ReadQuitState(pop3aggr *RecvMsg)
624 AsyncIO *IO = &RecvMsg->IO;
626 return eTerminateConnection;
629 const long POP3_C_ConnTimeout = 1000;
630 const long DefaultPOP3Port = 110;
632 Pop3ClientHandler POP3C_ReadHandlers[] = {
636 POP3C_GetListCommandState,
637 POP3C_GetListOneLine,
638 POP3C_GetOneMessageIDState,
639 POP3C_ReadMessageBodyFollowing,
640 POP3C_ReadMessageBody,
641 POP3C_ReadDeleteState,
645 const long POP3_C_SendTimeouts[POP3C_MaxRead] = {
655 const ConstStr POP3C_ReadErrors[POP3C_MaxRead] = {
656 {HKEY("Connection broken during ")},
657 {HKEY("Connection broken during ")},
658 {HKEY("Connection broken during ")},
659 {HKEY("Connection broken during ")},
660 {HKEY("Connection broken during ")},
661 {HKEY("Connection broken during ")},
662 {HKEY("Connection broken during ")},
663 {HKEY("Connection broken during ")}
666 Pop3ClientHandler POP3C_SendHandlers[] = {
667 NULL, /* we don't send a greeting */
670 POP3C_SendListCommand,
672 POP3C_GetOneMessagID,
679 const long POP3_C_ReadTimeouts[] = {
691 /*****************************************************************************/
692 /* POP3 CLIENT DISPATCHER */
693 /*****************************************************************************/
695 void POP3SetTimeout(eNextState NextTCPState, pop3aggr *pMsg)
697 AsyncIO *IO = &pMsg->IO;
698 double Timeout = 0.0;
700 EVP3C_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
702 switch (NextTCPState) {
706 Timeout = POP3_C_SendTimeouts[pMsg->State];
708 if (pMsg->State == eDATABody) {
709 / * if we're sending a huge message, we need more time. * /
710 Timeout += StrLength(pMsg->msgtext) / 1024;
716 Timeout = POP3_C_ReadTimeouts[pMsg->State];
718 if (pMsg->State == eDATATerminateBody) {
720 * some mailservers take a nap before accepting the message
721 * content inspection and such.
723 Timeout += StrLength(pMsg->msgtext) / 1024;
734 case eTerminateConnection:
737 case eReadMore://// TODO
740 SetNextTimeout(&pMsg->IO, Timeout);
742 eNextState POP3_C_DispatchReadDone(AsyncIO *IO)
744 /* EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__); to noisy anyways. */
745 pop3aggr *pMsg = IO->Data;
748 rc = POP3C_ReadHandlers[pMsg->State](pMsg);
751 POP3SetTimeout(rc, pMsg);
754 eNextState POP3_C_DispatchWriteDone(AsyncIO *IO)
756 pop3aggr *pMsg = IO->Data;
759 /* EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__); to noisy anyways. */
760 rc = POP3C_SendHandlers[pMsg->State](pMsg);
761 POP3SetTimeout(rc, pMsg);
766 /*****************************************************************************/
767 /* POP3 CLIENT ERROR CATCHERS */
768 /*****************************************************************************/
769 eNextState POP3_C_Terminate(AsyncIO *IO)
771 /// pop3aggr *pMsg = (pop3aggr *)IO->Data;
773 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
774 FinalizePOP3AggrRun(IO);
777 eNextState POP3_C_TerminateDB(AsyncIO *IO)
779 /// pop3aggr *pMsg = (pop3aggr *)IO->Data;
781 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
782 FinalizePOP3AggrRun(IO);
785 eNextState POP3_C_Timeout(AsyncIO *IO)
787 pop3aggr *pMsg = IO->Data;
789 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
790 StrBufPlain(IO->ErrMsg, CKEY(POP3C_ReadErrors[pMsg->State]));
791 return FailAggregationRun(IO);
793 eNextState POP3_C_ConnFail(AsyncIO *IO)
795 pop3aggr *pMsg = (pop3aggr *)IO->Data;
797 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
798 StrBufPlain(IO->ErrMsg, CKEY(POP3C_ReadErrors[pMsg->State]));
799 return FailAggregationRun(IO);
801 eNextState POP3_C_DNSFail(AsyncIO *IO)
803 pop3aggr *pMsg = (pop3aggr *)IO->Data;
805 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
806 StrBufPlain(IO->ErrMsg, CKEY(POP3C_ReadErrors[pMsg->State]));
807 return FailAggregationRun(IO);
809 eNextState POP3_C_Shutdown(AsyncIO *IO)
811 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
812 //// pop3aggr *pMsg = IO->Data;
814 ////pMsg->MyQEntry->Status = 3;
815 ///StrBufPlain(pMsg->MyQEntry->StatusMessage, HKEY("server shutdown during message retrieval."));
816 FinalizePOP3AggrRun(IO);
822 * @brief lineread Handler; understands when to read more POP3 lines,
823 * and when this is a one-lined reply.
825 eReadState POP3_C_ReadServerStatus(AsyncIO *IO)
827 eReadState Finished = eBufferNotEmpty;
829 switch (IO->NextState) {
834 case eTerminateConnection:
836 Finished = eReadFail;
843 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
847 Finished = CtdlReadMessageBodyAsync(IO);
853 /*****************************************************************************
854 * So we connect our Server IP here. *
855 *****************************************************************************/
856 eNextState POP3_C_ReAttachToFetchMessages(AsyncIO *IO)
858 pop3aggr *cpptr = IO->Data;
860 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
861 ////??? cpptr->State ++;
862 if (cpptr->Pos == NULL)
863 cpptr->Pos = GetNewHashPos(cpptr->MsgNumbers, 0);
865 POP3_C_DispatchWriteDone(IO);
866 ReAttachIO(IO, cpptr, 0);
867 IO->NextState = eReadMessage;
868 return IO->NextState;
871 eNextState pop3_connect_ip(AsyncIO *IO)
873 pop3aggr *cpptr = IO->Data;
875 if (cpptr->IOStart == 0.0) /* whith or without DNS? */
876 cpptr->IOStart = IO->Now;
878 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
880 return EvConnectSock(IO,
882 POP3_C_ReadTimeouts[0],
886 eNextState pop3_get_one_host_ip_done(AsyncIO *IO)
888 pop3aggr *cpptr = IO->Data;
889 struct hostent *hostent;
893 hostent = cpptr->HostLookup.VParsedDNSReply;
894 if ((cpptr->HostLookup.DNSStatus == ARES_SUCCESS) &&
895 (hostent != NULL) ) {
896 memset(&cpptr->IO.ConnectMe->Addr, 0, sizeof(struct in6_addr));
897 if (cpptr->IO.ConnectMe->IPv6) {
898 memcpy(&cpptr->IO.ConnectMe->Addr.sin6_addr.s6_addr,
899 &hostent->h_addr_list[0],
900 sizeof(struct in6_addr));
902 cpptr->IO.ConnectMe->Addr.sin6_family =
904 cpptr->IO.ConnectMe->Addr.sin6_port =
905 htons(DefaultPOP3Port);
908 struct sockaddr_in *addr =
909 (struct sockaddr_in*)
910 &cpptr->IO.ConnectMe->Addr;
912 memcpy(&addr->sin_addr.s_addr,
913 hostent->h_addr_list[0],
916 addr->sin_family = hostent->h_addrtype;
917 addr->sin_port = htons(DefaultPOP3Port);
919 return pop3_connect_ip(IO);
925 eNextState pop3_get_one_host_ip(AsyncIO *IO)
927 pop3aggr *cpptr = IO->Data;
929 cpptr->IOStart = IO->Now;
931 EVP3CCS_syslog(LOG_DEBUG, "POP3: %s\n", __FUNCTION__);
933 EVP3CCS_syslog(LOG_DEBUG,
934 "POP3 client[%ld]: looking up %s-Record %s : %d ...\n",
936 (cpptr->IO.ConnectMe->IPv6)? "aaaa": "a",
937 cpptr->IO.ConnectMe->Host,
938 cpptr->IO.ConnectMe->Port);
940 QueueQuery((cpptr->IO.ConnectMe->IPv6)? ns_t_aaaa : ns_t_a,
941 cpptr->IO.ConnectMe->Host,
944 pop3_get_one_host_ip_done);
945 IO->NextState = eReadDNSReply;
946 return IO->NextState;
951 int pop3_do_fetching(pop3aggr *cpptr)
953 AsyncIO *IO = &cpptr->IO;
958 POP3_C_ReadServerStatus,
960 POP3_C_DispatchWriteDone,
961 POP3_C_DispatchReadDone,
968 safestrncpy(((CitContext *)cpptr->IO.CitContext)->cs_host,
970 sizeof(((CitContext *)cpptr->IO.CitContext)->cs_host));
972 if (cpptr->IO.ConnectMe->IsIP) {
973 QueueEventContext(&cpptr->IO,
977 QueueEventContext(&cpptr->IO,
978 pop3_get_one_host_ip);
984 * Scan a room's netconfig to determine whether it requires POP3 aggregation
986 void pop3client_scan_room(struct ctdlroom *qrbuf, void *data)
993 char filename[PATH_MAX];
997 const char *CfgPtr, *lPtr;
1000 // pop3_room_counter *Count = NULL;
1003 pthread_mutex_lock(&POP3QueueMutex);
1004 if (GetHash(POP3QueueRooms, LKEY(qrbuf->QRnumber), &vptr))
1006 pthread_mutex_unlock(&POP3QueueMutex);
1007 EVP3CQ_syslog(LOG_DEBUG,
1008 "pop3client: [%ld] %s already in progress.",
1013 pthread_mutex_unlock(&POP3QueueMutex);
1015 if (server_shutting_down) return;
1017 assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
1019 if (server_shutting_down)
1022 /* Only do net processing for rooms that have netconfigs */
1023 fd = open(filename, 0);
1027 if (server_shutting_down)
1029 if (fstat(fd, &statbuf) == -1) {
1030 EVP3CQ_syslog(LOG_INFO,
1031 "ERROR: could not stat configfile '%s' - %s",
1036 if (server_shutting_down)
1038 CfgData = NewStrBufPlain(NULL, statbuf.st_size + 1);
1039 if (StrBufReadBLOB(CfgData, &fd, 1, statbuf.st_size, &Err) < 0) {
1041 FreeStrBuf(&CfgData);
1042 EVP3CQ_syslog(LOG_INFO,
1043 "ERROR: reading config '%s' - %s",
1044 filename, strerror(errno));
1048 if (server_shutting_down)
1052 CfgType = NewStrBuf();
1053 Line = NewStrBufPlain(NULL, StrLength(CfgData));
1058 Done = StrBufSipLine(Line, CfgData, &CfgPtr) == 0;
1059 if (StrLength(Line) > 0)
1062 StrBufExtract_NextToken(CfgType, Line, &lPtr, '|');
1063 if (!strcasecmp("pop3client", ChrPtr(CfgType)))
1069 Count = malloc(sizeof(pop3_room_counter));
1074 cptr = (pop3aggr *) malloc(sizeof(pop3aggr));
1075 memset(cptr, 0, sizeof(pop3aggr));
1076 ///TODO do we need this? cptr->roomlist_parts=1;
1078 NewStrBufPlain(qrbuf->QRname, -1);
1080 NewStrBufPlain(NULL, StrLength(Line));
1082 NewStrBufPlain(NULL, StrLength(Line));
1083 cptr->Url = NewStrBuf();
1085 NewStrBufPlain(NULL, StrLength(Line));
1087 StrBufExtract_NextToken(cptr->Host, Line, &lPtr, '|');
1088 StrBufExtract_NextToken(cptr->pop3user,
1093 StrBufExtract_NextToken(cptr->pop3pass,
1098 cptr->keep = StrBufExtractNext_long(Line,
1102 cptr->interval = StrBufExtractNext_long(Line,
1106 StrBufAppendBufPlain(cptr->Url, HKEY("pop3://"), 0);
1107 StrBufUrlescUPAppend(cptr->Url, cptr->pop3user, NULL);
1108 StrBufAppendBufPlain(cptr->Url, HKEY(":"), 0);
1109 StrBufUrlescUPAppend(cptr->Url, cptr->pop3pass, NULL);
1110 StrBufAppendBufPlain(cptr->Url, HKEY("@"), 0);
1111 StrBufAppendBuf(cptr->Url, cptr->Host, 0);
1112 StrBufAppendBufPlain(cptr->Url, HKEY("/"), 0);
1113 StrBufUrlescAppend(cptr->Url, cptr->RoomName, NULL);
1115 ParseURL(&cptr->IO.ConnectMe, cptr->Url, 110);
1119 /* todo: we need to reunite the url to be shure. */
1121 pthread_mutex_lock(&POP3ueueMutex);
1122 GetHash(POP3FetchUrls, SKEY(ptr->Url), &vptr);
1123 use_this_cptr = (pop3aggr *)vptr;
1125 if (use_this_rncptr != NULL)
1127 /* mustn't attach to an active session */
1128 if (use_this_cptr->RefCount > 0)
1130 DeletePOP3Cfg(cptr);
1136 StrBufAppendBufPlain(
1137 use_this_cptr->rooms,
1140 if (use_this_cptr->roomlist_parts == 1)
1142 use_this_cptr->OtherQRnumbers
1143 = NewHash(1, lFlathash);
1145 QRnumber = (long*)malloc(sizeof(long));
1146 *QRnumber = qrbuf->QRnumber;
1147 Put(use_this_cptr->OtherQRnumbers,
1148 LKEY(qrbuf->QRnumber),
1152 use_this_cptr->roomlist_parts++;
1154 pthread_mutex_unlock(&POP3QueueMutex);
1157 pthread_mutex_unlock(&RSSQueueMutex);
1159 cptr->n = Pop3ClientID++;
1160 pthread_mutex_lock(&POP3QueueMutex);
1164 DeletePOP3Aggregator);
1166 pthread_mutex_unlock(&POP3QueueMutex);
1176 FreeStrBuf(&CfgType);
1177 FreeStrBuf(&CfgData);
1180 static int doing_pop3client = 0;
1182 void pop3client_scan(void) {
1183 static time_t last_run = 0L;
1184 time_t fastest_scan;
1191 become_session(&pop3_client_CC);
1193 if (config.c_pop3_fastest < config.c_pop3_fetch)
1194 fastest_scan = config.c_pop3_fastest;
1196 fastest_scan = config.c_pop3_fetch;
1199 * Run POP3 aggregation no more frequently than once every n seconds
1201 if ( (time(NULL) - last_run) < fastest_scan ) {
1206 * This is a simple concurrency check to make sure only one pop3client
1207 * run is done at a time. We could do this with a mutex, but since we
1208 * don't really require extremely fine granularity here, we'll do it
1209 * with a static variable instead.
1211 if (doing_pop3client) return;
1212 doing_pop3client = 1;
1214 EVP3CQM_syslog(LOG_DEBUG, "pop3client started");
1215 CtdlForEachRoom(pop3client_scan_room, NULL);
1217 pthread_mutex_lock(&POP3QueueMutex);
1218 it = GetNewHashPos(POP3FetchUrls, 0);
1219 while (!server_shutting_down &&
1220 GetNextHashPos(POP3FetchUrls, it, &len, &Key, &vrptr) &&
1222 cptr = (pop3aggr *)vrptr;
1223 if (cptr->RefCount == 0)
1224 if (!pop3_do_fetching(cptr))
1225 DeletePOP3Aggregator(cptr);////TODO
1228 if ((palist->interval && time(NULL) > (last_run + palist->interval))
1229 || (time(NULL) > last_run + config.c_pop3_fetch))
1230 pop3_do_fetching(palist->roomname, palist->pop3host,
1231 palist->pop3user, palist->pop3pass, palist->keep);
1233 palist = palist->next;
1238 pthread_mutex_unlock(&POP3QueueMutex);
1240 EVP3CQM_syslog(LOG_DEBUG, "pop3client ended");
1241 last_run = time(NULL);
1242 doing_pop3client = 0;
1246 void pop3_cleanup(void)
1248 /* citthread_mutex_destroy(&POP3QueueMutex); TODO */
1249 while (doing_pop3client != 0) ;
1250 DeleteHash(&POP3FetchUrls);
1251 DeleteHash(&POP3QueueRooms);
1256 void LogDebugEnablePOP3Client(const int n)
1258 POP3ClientDebugEnabled = n;
1261 CTDL_MODULE_INIT(pop3client)
1265 CtdlFillSystemContext(&pop3_client_CC, "POP3aggr");
1266 pthread_mutex_init(&POP3QueueMutex, NULL);
1267 POP3QueueRooms = NewHash(1, lFlathash);
1268 POP3FetchUrls = NewHash(1, NULL);
1269 CtdlRegisterSessionHook(pop3client_scan, EVT_TIMER, PRIO_AGGR + 50);
1270 CtdlRegisterEVCleanupHook(pop3_cleanup);
1271 CtdlRegisterDebugFlagHook(HKEY("pop3client"), LogDebugEnablePOP3Client, &POP3ClientDebugEnabled);
1274 /* return our module id for the log */
1275 return "pop3client";