/*
- * Aggregate remote POP3 accounts
+ * Consolidate mail from remote POP3 accounts.
+ *
+ * Copyright (c) 2007-2009 by the citadel.org team
+ *
+ * This program is free 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
-#include "tools.h"
-#include "room_ops.h"
#include "ctdl_module.h"
#include "clientsocket.h"
+#include "msgbase.h"
+#include "internet_addressing.h"
+#include "database.h"
+#include "citadel_dirs.h"
struct pop3aggr {
struct pop3aggr *next;
char pop3host[128];
char pop3user[128];
char pop3pass[128];
+ int keep;
+ time_t interval;
};
struct pop3aggr *palist = NULL;
-#ifdef POP3_AGGREGATION
-
-void pop3_do_fetching(char *roomname, char *pop3host, char *pop3user, char *pop3pass)
+void pop3_do_fetching(char *roomname, char *pop3host, char *pop3user, char *pop3pass, int keep)
{
int sock;
char buf[SIZ];
-
- lprintf(CTDL_DEBUG, "POP3: %s %s %s %s\n", roomname, pop3host, pop3user, pop3pass);
- lprintf(CTDL_NOTICE, "Connecting to <%s>\n", pop3host);
- sock = sock_connect(pop3host, "110", "tcp");
+ int msg_to_fetch = 0;
+ int *msglist = NULL;
+ int num_msgs = 0;
+ int alloc_msgs = 0;
+ int i;
+ char *body = NULL;
+ struct CtdlMessage *msg = NULL;
+ long msgnum = 0;
+ char this_uidl[64];
+ char utmsgid[SIZ];
+ struct cdbdata *cdbut;
+ struct UseTable ut;
+ CitContext *CCC=CC;
+
+ CtdlLogPrintf(CTDL_DEBUG, "POP3: %s %s %s <password>\n", roomname, pop3host, pop3user);
+ CtdlLogPrintf(CTDL_NOTICE, "Connecting to <%s>\n", pop3host);
+
+ if (CtdlThreadCheckStop())
+ return;
+
+ sock = sock_connect(pop3host, "110");
if (sock < 0) {
- lprintf(CTDL_ERR, "Could not connect: %s\n", strerror(errno));
+ CtdlLogPrintf(CTDL_ERR, "Could not connect: %s\n", strerror(errno));
return;
}
- lprintf(CTDL_DEBUG, "Connected!\n");
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ CtdlLogPrintf(CTDL_DEBUG, "Connected!\n");
+ CCC->SBuf.Buf = NewStrBuf();
+ CCC->sMigrateBuf = NewStrBuf();
+ CCC->SBuf.ReadWritePointer = NULL;
/* Read the server greeting */
- if (sock_gets(sock, buf) < 0) goto bail;
- lprintf(CTDL_DEBUG, ">%s\n", buf);
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
if (strncasecmp(buf, "+OK", 3)) goto bail;
- /* Identify ourselves */
- snprintf(buf, sizeof buf, "USER %s", pop3user);
- lprintf(CTDL_DEBUG, "<%s\n", buf);
- if (sock_puts(sock, buf) <0) goto bail;
- if (sock_gets(sock, buf) < 0) goto bail;
- lprintf(CTDL_DEBUG, ">%s\n", buf);
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ /* Identify ourselves. NOTE: we have to append a CR to each command. The LF will
+ * automatically be appended by sock_puts(). Believe it or not, leaving out the CR
+ * will cause problems if the server happens to be Exchange, which is so b0rken it
+ * actually barfs on LF-terminated newlines.
+ */
+ snprintf(buf, sizeof buf, "USER %s\r", pop3user);
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
if (strncasecmp(buf, "+OK", 3)) goto bail;
+ if (CtdlThreadCheckStop())
+ goto bail;
+
/* Password */
- snprintf(buf, sizeof buf, "PASS %s", pop3pass);
- lprintf(CTDL_DEBUG, "<%s\n", buf);
- if (sock_puts(sock, buf) <0) goto bail;
- if (sock_gets(sock, buf) < 0) goto bail;
- lprintf(CTDL_DEBUG, ">%s\n", buf);
+ snprintf(buf, sizeof buf, "PASS %s\r", pop3pass);
+ CtdlLogPrintf(CTDL_DEBUG, "<PASS <password>\n");
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
if (strncasecmp(buf, "+OK", 3)) goto bail;
- sock_puts(sock, "QUIT");
-bail: sock_close(sock);
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ /* Get the list of messages */
+ snprintf(buf, sizeof buf, "LIST\r");
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
+ if (strncasecmp(buf, "+OK", 3)) goto bail;
+
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ do {
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
+ msg_to_fetch = atoi(buf);
+ if (msg_to_fetch > 0) {
+ if (alloc_msgs == 0) {
+ alloc_msgs = 100;
+ msglist = malloc((alloc_msgs * (sizeof(int))));
+ }
+ else if (num_msgs >= alloc_msgs) {
+ alloc_msgs = alloc_msgs * 2;
+ msglist = realloc(msglist, (alloc_msgs * sizeof(int)));
+ }
+ if (msglist == NULL) goto bail;
+ msglist[num_msgs++] = msg_to_fetch;
+ }
+ } while (buf[0] != '.');
+
+ if (num_msgs) for (i=0; i<num_msgs; ++i) {
+
+ /* Find out the UIDL of the message, to determine whether we've already downloaded it */
+ snprintf(buf, sizeof buf, "UIDL %d\r", msglist[i]);
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
+ if (strncasecmp(buf, "+OK", 3)) goto bail;
+ extract_token(this_uidl, buf, 2, ' ', sizeof this_uidl);
+
+ snprintf(utmsgid, sizeof utmsgid, "pop3/%s/%s@%s", roomname, this_uidl, pop3host);
+
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ cdbut = cdb_fetch(CDB_USETABLE, utmsgid, strlen(utmsgid));
+ if (cdbut != NULL) {
+ /* message has already been seen */
+ CtdlLogPrintf(CTDL_DEBUG, "%s has already been seen\n", utmsgid);
+ cdb_free(cdbut);
+
+ /* rewrite the record anyway, to update the timestamp */
+ strcpy(ut.ut_msgid, utmsgid);
+ ut.ut_timestamp = time(NULL);
+ cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
+ }
+ else {
+ /* Message has not been seen. Tell the server to fetch the message... */
+ snprintf(buf, sizeof buf, "RETR %d\r", msglist[i]);
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
+ if (strncasecmp(buf, "+OK", 3)) goto bail;
+
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ /* If we get to this point, the message is on its way. Read it. */
+ body = CtdlReadMessageBody(HKEY("."), config.c_maxmsglen, NULL, 1, &sock);
+ if (body == NULL) goto bail;
+
+ CtdlLogPrintf(CTDL_DEBUG, "Converting message...\n");
+ msg = convert_internet_message(body);
+ body = NULL; /* yes, this should be dereferenced, NOT freed */
+
+ /* Do Something With It (tm) */
+ msgnum = CtdlSubmitMsg(msg, NULL, roomname, 0);
+ if (msgnum > 0L) {
+ /* Message has been committed to the store */
+
+ if (!keep) {
+ snprintf(buf, sizeof buf, "DELE %d\r", msglist[i]);
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf); /* errors here are non-fatal */
+ }
+
+ /* write the uidl to the use table so we don't fetch this message again */
+ strcpy(ut.ut_msgid, utmsgid);
+ ut.ut_timestamp = time(NULL);
+ cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid),
+ &ut, sizeof(struct UseTable) );
+ }
+ CtdlFreeMessage(msg);
+ }
+ }
+
+ /* Log out */
+ snprintf(buf, sizeof buf, "QUIT\r");
+ CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf);
+ if (sock_puts(&sock, buf) <0) goto bail;
+ if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail;
+ CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf);
+bail:
+ FreeStrBuf(&CCC->SBuf.Buf);
+ FreeStrBuf(&CCC->sMigrateBuf);
+
+ if (sock != -1)
+ sock_close(sock);
+ if (msglist) free(msglist);
}
FILE *fp;
struct pop3aggr *pptr;
+ if (CtdlThreadCheckStop())
+ return;
+
assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
/* Only do net processing for rooms that have netconfigs */
extract_token(pptr->pop3host, buf, 1, '|', sizeof pptr->pop3host);
extract_token(pptr->pop3user, buf, 2, '|', sizeof pptr->pop3user);
extract_token(pptr->pop3pass, buf, 3, '|', sizeof pptr->pop3pass);
+ pptr->keep = extract_int(buf, 4);
+ pptr->interval = extract_long(buf, 5);
pptr->next = palist;
palist = pptr;
}
static time_t last_run = 0L;
static int doing_pop3client = 0;
struct pop3aggr *pptr;
+ time_t fastest_scan;
+
+ if (config.c_pop3_fastest < config.c_pop3_fetch)
+ fastest_scan = config.c_pop3_fastest;
+ else
+ fastest_scan = config.c_pop3_fetch;
/*
* Run POP3 aggregation no more frequently than once every n seconds
*/
- if ( (time(NULL) - last_run) < config.c_net_freq ) {
+ if ( (time(NULL) - last_run) < fastest_scan ) {
return;
}
if (doing_pop3client) return;
doing_pop3client = 1;
- lprintf(CTDL_DEBUG, "pop3client started\n");
- ForEachRoom(pop3client_scan_room, NULL);
+ CtdlLogPrintf(CTDL_DEBUG, "pop3client started\n");
+ CtdlForEachRoom(pop3client_scan_room, NULL);
- while (palist != NULL) {
- pop3_do_fetching(palist->roomname, palist->pop3host, palist->pop3user, palist->pop3pass);
+ while (palist != NULL && !CtdlThreadCheckStop()) {
+ if ((palist->interval && time(NULL) > (last_run + palist->interval))
+ || (time(NULL) > last_run + config.c_pop3_fetch))
+ pop3_do_fetching(palist->roomname, palist->pop3host,
+ palist->pop3user, palist->pop3pass, palist->keep);
pptr = palist;
palist = palist->next;
free(pptr);
}
- lprintf(CTDL_DEBUG, "pop3client ended\n");
+ CtdlLogPrintf(CTDL_DEBUG, "pop3client ended\n");
last_run = time(NULL);
doing_pop3client = 0;
}
-#endif
CTDL_MODULE_INIT(pop3client)
{
-#ifdef POP3_AGGREGATION
- CtdlRegisterSessionHook(pop3client_scan, EVT_TIMER);
-#endif
-
+ if (!threading)
+ {
+ CtdlRegisterSessionHook(pop3client_scan, EVT_TIMER);
+ }
+
/* return our Subversion id for the Log */
- return "$Id: $";
+ return "pop3client";
}