/*
- * Aggregate remote POP3 accounts
+ * $Id$
+ *
+ * Consolidate mail from remote POP3 accounts.
+ *
*/
#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 roomname[ROOMNAMELEN];
+ char pop3host[128];
+ char pop3user[128];
+ char pop3pass[128];
+ int keep;
+ time_t interval;
+};
-#include "ctdl_module.h"
+struct pop3aggr *palist = NULL;
+
+
+void pop3_do_fetching(char *roomname, char *pop3host, char *pop3user, char *pop3pass, int keep)
+{
+ int sock;
+ char buf[SIZ];
+ 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;
+
+ 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", "tcp");
+ if (sock < 0) {
+ CtdlLogPrintf(CTDL_ERR, "Could not connect: %s\n", strerror(errno));
+ return;
+ }
+
+ if (CtdlThreadCheckStop())
+ goto bail;
+
+ CtdlLogPrintf(CTDL_DEBUG, "Connected!\n");
+
+ /* Read the server greeting */
+ 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;
+
+ /* 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\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;
+
+ 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);
-#ifdef POP3_AGGREGATION
+ /* 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;
-void pop3client_do_room(struct ctdlroom *qrbuf, void *data)
+ /* If we get to this point, the message is on its way. Read it. */
+ body = CtdlReadMessageBody(".", 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);
+ 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: sock_close(sock);
+ if (msglist) free(msglist);
+}
+
+
+/*
+ * Scan a room's netconfig to determine whether it requires POP3 aggregation
+ */
+void pop3client_scan_room(struct ctdlroom *qrbuf, void *data)
{
+ char filename[PATH_MAX];
+ char buf[1024];
+ char instr[32];
+ 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 */
+ fp = fopen(filename, "r");
+ if (fp == NULL) {
+ return;
+ }
+
+ while (fgets(buf, sizeof buf, fp) != NULL) {
+ buf[strlen(buf)-1] = 0;
+
+ extract_token(instr, buf, 0, '|', sizeof instr);
+ if (!strcasecmp(instr, "pop3client")) {
+ pptr = (struct pop3aggr *) malloc(sizeof(struct pop3aggr));
+ if (pptr != NULL) {
+ safestrncpy(pptr->roomname, qrbuf->QRname, sizeof pptr->roomname);
+ 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;
+ }
+ }
+
+ }
- lprintf(CTDL_DEBUG, "POP3 aggregation for <%s>\n", qrbuf->QRname);
+ fclose(fp);
}
void pop3client_scan(void) {
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_do_room, NULL);
- lprintf(CTDL_DEBUG, "pop3client ended\n");
+ CtdlLogPrintf(CTDL_DEBUG, "pop3client started\n");
+ ForEachRoom(pop3client_scan_room, NULL);
+ 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);
+ }
+
+ 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: $";
+ return "$Id$";
}
projects / citadel.git / blobdiff