+++ /dev/null
-// This module delivers messages to mailing lists.
-//
-// Copyright (c) 2002-2022 by the citadel.org team
-//
-// This program is open source software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 3.
-//
-// 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.
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "user_ops.h"
-#include "database.h"
-#include "msgbase.h"
-#include "internet_addressing.h"
-#include "clientsocket.h"
-#include "ctdl_module.h"
-
-int doing_listdeliver = 0;
-
-
-// data passed back and forth between listdeliver_do_msg() and listdeliver_sweep_room()
-struct lddata {
- long msgnum; // number of most recent message processed
- char *netconf; // netconfig for this room (contains the recipients)
-};
-
-
-
-void listdeliver_do_msg(long msgnum, void *userdata) {
- struct lddata *ld = (struct lddata *) userdata;
- if (!ld) return;
- char buf[SIZ];
- char *ch;
- char bounce_to[256];
- int i = 0;
-
- ld->msgnum = msgnum;
- if (msgnum <= 0) return;
-
- struct CtdlMessage *TheMessage = CtdlFetchMessage(msgnum, 1);
- if (!TheMessage) return;
-
- // If the subject line does not contain the name of the room, add it now.
- if (!bmstrcasestr(TheMessage->cm_fields[eMsgSubject], CC->room.QRname)) {
- snprintf(buf, sizeof buf, "[%s] %s", CC->room.QRname, TheMessage->cm_fields[eMsgSubject]);
- CM_SetField(TheMessage, eMsgSubject, buf, strlen(buf));
- }
-
- // From: should be set to the list address because doing otherwise makes DKIM parsers angry.
- // Reply-to: should be set to the list address so that replies come to the list.
- snprintf(buf, sizeof buf, "room_%s@%s", CC->room.QRname, CtdlGetConfigStr("c_fqdn"));
- for (ch=buf; *ch; ++ch) {
- if (isspace(*ch)) *ch = '_';
- }
- CM_SetField(TheMessage, erFc822Addr, buf, strlen(buf));
- CM_SetField(TheMessage, eReplyTo, buf, strlen(buf));
-
- // With that out of the way, let's figure out who this message needs to be sent to.
- char *recipients = malloc(strlen(ld->netconf));
- if (recipients) {
- recipients[0] = 0;
-
- int config_lines = num_tokens(ld->netconf, '\n');
- for (i=0; i<config_lines; ++i) {
- extract_token(buf, ld->netconf, i, '\n', sizeof buf);
- if (!strncasecmp(buf, "listrecp|", 9)) {
- if (recipients[0] != 0) {
- strcat(recipients, ",");
- }
- strcat(recipients, &buf[9]);
- }
- if (!strncasecmp(buf, "digestrecp|", 11)) {
- if (recipients[0] != 0) {
- strcat(recipients, ",");
- }
- strcat(recipients, &buf[11]);
- }
- }
-
- // Where do we want bounces and other noise to be sent? Certainly not to the list members!
- snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", CtdlGetConfigStr("c_fqdn"));
-
- // Now submit the message
- struct recptypes *valid = validate_recipients(recipients, NULL, 0);
- if (valid) {
- valid->bounce_to = strdup(bounce_to);
- valid->envelope_from = strdup(bounce_to);
- valid->sending_room = strdup(CC->room.QRname);
- CtdlSubmitMsg(TheMessage, valid, "");
- free_recipients(valid);
- }
- }
- CM_Free(TheMessage);
-}
-
-
-// Sweep through one room looking for mailing list deliveries to do
-void listdeliver_sweep_room(char *roomname) {
- char *netconfig = NULL;
- char *newnetconfig = NULL;
- long lastsent = 0;
- char buf[SIZ];
- int config_lines;
- int i;
- int number_of_messages_processed = 0;
- int number_of_recipients = 0;
- struct lddata ld;
-
- if (CtdlGetRoom(&CC->room, roomname)) {
- syslog(LOG_DEBUG, "listdeliver: no room <%s>", roomname);
- return;
- }
-
- netconfig = LoadRoomNetConfigFile(CC->room.QRnumber);
- if (!netconfig) {
- return; // no netconfig, no processing, no problem
- }
-
- config_lines = num_tokens(netconfig, '\n');
- for (i=0; i<config_lines; ++i) {
- extract_token(buf, netconfig, i, '\n', sizeof buf);
-
- if (!strncasecmp(buf, "lastsent|", 9)) {
- lastsent = atol(&buf[9]);
- }
- else if ( (!strncasecmp(buf, "listrecp|", 9)) || (!strncasecmp(buf, "digestrecp|", 11)) ) {
- ++number_of_recipients;
- }
- }
-
- if (number_of_recipients > 0) {
- syslog(LOG_DEBUG, "listdeliver: processing new messages in <%s> for <%d> recipients", CC->room.QRname, number_of_recipients);
- ld.netconf = netconfig;
- number_of_messages_processed = CtdlForEachMessage(MSGS_GT, lastsent, NULL, NULL, NULL, listdeliver_do_msg, &ld);
- syslog(LOG_INFO, "listdeliver: processed <%d> messages in <%s> for <%d> recipients", number_of_messages_processed, CC->room.QRname, number_of_recipients);
-
- if (number_of_messages_processed > 0) {
- syslog(LOG_DEBUG, "listdeliver: new lastsent is %ld", ld.msgnum);
-
- // Update this room's netconfig with the updated lastsent
- begin_critical_section(S_NETCONFIGS);
- netconfig = LoadRoomNetConfigFile(CC->room.QRnumber);
- if (!netconfig) {
- netconfig = strdup("");
- }
-
- // The new netconfig begins with the new lastsent directive
- newnetconfig = malloc(strlen(netconfig) + 1024);
- sprintf(newnetconfig, "lastsent|%ld\n", ld.msgnum);
-
- // And then we append all of the old netconfig, minus the old lastsent. Also omit blank lines.
- config_lines = num_tokens(netconfig, '\n');
- for (i=0; i<config_lines; ++i) {
- extract_token(buf, netconfig, i, '\n', sizeof buf);
- if ( (!IsEmptyStr(buf)) && (strncasecmp(buf, "lastsent|", 9)) ) {
- sprintf(&newnetconfig[strlen(newnetconfig)], "%s\n", buf);
- }
- }
-
- // Write the new netconfig back to disk
- SaveRoomNetConfigFile(CC->room.QRnumber, newnetconfig);
- end_critical_section(S_NETCONFIGS);
- free(newnetconfig); // this was the new netconfig, free it because we're done with it
- }
- }
- free(netconfig); // this was the old netconfig, free it even if we didn't do anything
-}
-
-
-// Callback for listdeliver_sweep()
-// Adds one room to the queue
-void listdeliver_queue_room(struct ctdlroom *qrbuf, void *data) {
- Array *roomlistarr = (Array *)data;
- array_append(roomlistarr, qrbuf->QRname);
-}
-
-
-// Queue up the list of rooms so we can sweep them for mailing list delivery instructions
-void listdeliver_sweep(void) {
- static time_t last_run = 0L;
- int i = 0;
- time_t now = time(NULL);
-
- // Run mailing list delivery no more frequently than once every 15 minutes (we should make this configurable)
- if ( (now - last_run) < 900 ) {
- syslog(LOG_DEBUG,
- "listdeliver: delivery interval not yet reached; last run was %ldm%lds ago",
- ((now - last_run) / 60),
- ((now - last_run) % 60)
- );
- return;
- }
-
- // This is a simple concurrency check to make sure only one listdeliver
- // run is done at a time. We could do this with a mutex, but since we
- // don't really require extremely fine granularity here, we'll do it
- // with a static variable instead.
- if (doing_listdeliver) return;
- doing_listdeliver = 1;
-
- // Go through each room looking for mailing lists to process
- syslog(LOG_DEBUG, "listdeliver: sweep started");
-
- Array *roomlistarr = array_new(ROOMNAMELEN); // we have to queue them
- CtdlForEachRoom(listdeliver_queue_room, roomlistarr); // otherwise we get multiple cursors in progress
-
- for (i=0; i<array_len(roomlistarr); ++i) {
- listdeliver_sweep_room((char *)array_get_element_at(roomlistarr, i));
- }
-
- array_free(roomlistarr);
- syslog(LOG_DEBUG, "listdeliver: ended");
- last_run = time(NULL);
- doing_listdeliver = 0;
-}
-
-
-// Module entry point
-CTDL_MODULE_INIT(listdeliver)
-{
- if (!threading) {
- CtdlRegisterSessionHook(listdeliver_sweep, EVT_TIMER, PRIO_AGGR + 50);
- }
-
- // return our module name for the log
- return "listsub";
-}
projects / citadel.git / blobdiff