* This module handles shared rooms, inter-Citadel mail, and outbound
* mailing list processing.
*
- * Copyright (c) 2000-2012 by the citadel.org team
+ * Copyright (c) 2000-2016 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 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.
+ * 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.
*
* ** NOTE ** A word on the S_NETCONFIGS semaphore:
* This is a fairly high-level type of critical section. It ensures that no
#include <sys/wait.h>
#include <string.h>
#include <limits.h>
+#include <assert.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#endif
+/*
+ * Bounce a message back to the sender
+ */
+void network_bounce(struct CtdlMessage **pMsg, char *reason)
+{
+ char buf[SIZ];
+ char bouncesource[SIZ];
+ char recipient[SIZ];
+ recptypes *valid = NULL;
+ char force_room[ROOMNAMELEN];
+ static int serialnum = 0;
+ long len;
+ struct CtdlMessage *msg = *pMsg;
+ *pMsg = NULL;
+ syslog(LOG_DEBUG, "entering network_bounce()");
+
+ if (msg == NULL) return;
+
+ snprintf(bouncesource, sizeof bouncesource, "%s@%s", BOUNCESOURCE, CtdlGetConfigStr("c_nodename"));
+
+ /*
+ * Give it a fresh message ID
+ */
+ len = snprintf(buf, sizeof(buf),
+ "%ld.%04lx.%04x@%s",
+ (long)time(NULL),
+ (long)getpid(),
+ ++serialnum,
+ CtdlGetConfigStr("c_fqdn"));
+
+ CM_SetField(msg, emessageId, buf, len);
+
+ /*
+ * FIXME ... right now we're just sending a bounce; we really want to
+ * include the text of the bounced message.
+ */
+ if (!IsEmptyStr(reason)) {
+ CM_SetField(msg, eMesageText, reason, strlen(reason));
+ }
+ msg->cm_format_type = 0;
+
+ /*
+ * Turn the message around
+ */
+ CM_FlushField(msg, eRecipient);
+ CM_FlushField(msg, eDestination);
+
+ len = snprintf(recipient, sizeof(recipient), "%s@%s",
+ msg->cm_fields[eAuthor],
+ msg->cm_fields[eNodeName]);
+
+ CM_SetField(msg, eAuthor, HKEY(BOUNCESOURCE));
+ CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
+ CM_SetField(msg, eMsgSubject, HKEY("Delivery Status Notification (Failure)"));
+
+ Netmap_AddMe(msg, HKEY("unknown_user"));
+
+ /* Now submit the message */
+ valid = validate_recipients(recipient, NULL, 0);
+ if (valid != NULL) if (valid->num_error != 0) {
+ free_recipients(valid);
+ valid = NULL;
+ }
+ if ( (valid == NULL) || (!strcasecmp(recipient, bouncesource)) ) {
+ strcpy(force_room, CtdlGetConfigStr("c_aideroom"));
+ }
+ else {
+ strcpy(force_room, "");
+ }
+ if ( (valid == NULL) && IsEmptyStr(force_room) ) {
+ strcpy(force_room, CtdlGetConfigStr("c_aideroom"));
+ }
+ CtdlSubmitMsg(msg, valid, force_room, 0);
+
+ /* Clean up */
+ if (valid != NULL) free_recipients(valid);
+ CM_Free(msg);
+ syslog(LOG_DEBUG, "leaving network_bounce()");
+}
+
+
void ParseLastSent(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
{
RoomNetCfgLine *nptr;
if (CM_IsEmpty(msg, eMessagePath)) {
CM_SetField(msg, eMessagePath, defl, defllen);
}
- node_len = configlen.c_nodename;
+ node_len = strlen(CtdlGetConfigStr("c_nodename"));
if (node_len >= SIZ)
node_len = SIZ - 1;
- memcpy(buf, config.c_nodename, node_len);
+ memcpy(buf, CtdlGetConfigStr("c_nodename"), node_len);
buf[node_len] = '!';
buf[node_len + 1] = '\0';
CM_PrependToField(msg, eMessagePath, buf, node_len + 1);
HashList *working_ignetcfg,
HashList *the_netmap)
{
- struct CitContext *CCC = CC;
SpoolControl *sc;
int i = 0;
+ syslog(LOG_INFO, "InspectQueuedRoom(%s)", room_to_spool->name);
+
sc = (SpoolControl*)malloc(sizeof(SpoolControl));
memset(sc, 0, sizeof(SpoolControl));
- sc->RNCfg = room_to_spool->OneRNCfg;
sc->lastsent = room_to_spool->lastsent;
sc->working_ignetcfg = working_ignetcfg;
sc->the_netmap = the_netmap;
* queued for networking and then deleted before it can happen.
*/
if (CtdlGetRoom(&sc->room, room_to_spool->name) != 0) {
- syslog(LOG_CRIT, "ERROR: cannot load <%s>\n", room_to_spool->name);
- free(sc);
- return;
- }
- if (sc->room.QRhighest <= sc->lastsent)
- {
- QN_syslog(LOG_DEBUG, "nothing to do for <%s>\n", room_to_spool->name);
+ syslog(LOG_INFO, "ERROR: cannot load <%s>", room_to_spool->name);
free(sc);
return;
}
- begin_critical_section(S_NETCONFIGS);
- if (sc->RNCfg == NULL)
- sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+ assert(sc->RNCfg == NULL); // checking to make sure we cleared it from last time
- if (!HaveSpoolConfig(sc->RNCfg))
+ sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+
+ syslog(LOG_DEBUG, "Room <%s> highest=%ld lastsent=%ld", room_to_spool->name, sc->room.QRhighest, sc->RNCfg->lastsent);
+ if ( (!HaveSpoolConfig(sc->RNCfg)) || (sc->room.QRhighest <= sc->RNCfg->lastsent) )
{
- end_critical_section(S_NETCONFIGS);
+ // There is nothing to send from this room.
+ syslog(LOG_DEBUG, "nothing to do for <%s>", room_to_spool->name);
+ FreeRoomNetworkStruct(&sc->RNCfg);
+ sc->RNCfg = NULL;
free(sc);
- /* nothing to do for this room... */
return;
}
+ sc->lastsent = sc->RNCfg->lastsent;
+
/* Now lets remember whats needed for the actual work... */
for (i=0; i < 4; i++)
{
- aggregate_recipients(&sc->Users[SpoolCfgs[i]],
- SpoolCfgs[i],
- sc->RNCfg,
- SpoolCfgsCopyN[i]);
+ aggregate_recipients(&sc->Users[SpoolCfgs[i]], SpoolCfgs[i], sc->RNCfg, SpoolCfgsCopyN[i]);
}
- if (StrLength(sc->RNCfg->Sender) > 0)
+ if (StrLength(sc->RNCfg->Sender) > 0) {
sc->Users[roommailalias] = NewStrBufDup(sc->RNCfg->Sender);
- end_critical_section(S_NETCONFIGS);
+ }
sc->next = *pSC;
*pSC = sc;
+ FreeRoomNetworkStruct(&sc->RNCfg); // done with this for now, we'll grab it again next time
+ sc->RNCfg = NULL;
}
+
void CalcListID(SpoolControl *sc)
{
StrBuf *RoomName;
StrBufAppendBufPlain(sc->ListID, HKEY("room_"), 0);
StrBufAppendBuf(sc->ListID, RoomName, 0);
StrBufAppendBufPlain(sc->ListID, HKEY("."), 0);
- StrBufAppendBufPlain(sc->ListID, config.c_fqdn, -1, 0);
+ StrBufAppendBufPlain(sc->ListID, CtdlGetConfigStr("c_fqdn"), -1, 0);
/*
* this used to be:
* roomname <Room-Number.list-id.fqdn>
StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("room_"), 0);
StrBufAppendBuf(sc->Users[roommailalias], RoomName, 0);
StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("@"), 0);
- StrBufAppendBufPlain(sc->Users[roommailalias], config.c_fqdn, -1, 0);
+ StrBufAppendBufPlain(sc->Users[roommailalias], CtdlGetConfigStr("c_fqdn"), -1, 0);
StrBufLowerCase(sc->Users[roommailalias]);
}
*/
memcpy (&CCC->room, &sc->room, sizeof(ctdlroom));
- syslog(LOG_INFO, "Networking started for <%s>\n", CCC->room.QRname);
+ syslog(LOG_INFO, "network_spoolout_room(%s)", CCC->room.QRname);
CalcListID(sc);
else
{
snprintf(buf, sizeof buf, "room_%s@%s",
- CCC->room.QRname, config.c_fqdn);
+ CCC->room.QRname, CtdlGetConfigStr("c_fqdn"));
}
for (i=0; buf[i]; ++i) {
sc->digestfp = NULL;
}
- /* Now rewrite the config file */
+ /* Now rewrite the netconfig */
+
+ // THIS IS THE ONLY PLACE WHERE WE HAVE TO REWRITE THE NETCONFIG.
+
+
if (sc->lastsent != lastsent)
{
+ OneRoomNetCfg *r;
+
begin_critical_section(S_NETCONFIGS);
- sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+ r = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+
+ r->lastsent = sc->lastsent; // FIXME we have to do something here !!!!!!!
- sc->RNCfg->lastsent = sc->lastsent;
- sc->RNCfg->changed = 1;
+ SaveRoomNetConfigFile(r, sc->room.QRnumber);
+ FreeRoomNetworkStruct(&r);
end_critical_section(S_NETCONFIGS);
}
}
+
+/*
+ * Check the use table. This is a list of messages which have recently
+ * arrived on the system. It is maintained and queried to prevent the same
+ * message from being entered into the database multiple times if it happens
+ * to arrive multiple times by accident.
+ */
+int network_usetable(struct CtdlMessage *msg)
+{
+ StrBuf *msgid;
+ struct CitContext *CCC = CC;
+ time_t now;
+
+ /* Bail out if we can't generate a message ID */
+ if ((msg == NULL) || CM_IsEmpty(msg, emessageId))
+ {
+ return(0);
+ }
+
+ /* Generate the message ID */
+ msgid = NewStrBufPlain(CM_KEY(msg, emessageId));
+ if (haschar(ChrPtr(msgid), '@') == 0) {
+ StrBufAppendBufPlain(msgid, HKEY("@"), 0);
+ if (!CM_IsEmpty(msg, eNodeName)) {
+ StrBufAppendBufPlain(msgid, CM_KEY(msg, eNodeName), 0);
+ }
+ else {
+ FreeStrBuf(&msgid);
+ return(0);
+ }
+ }
+ now = time(NULL);
+ if (CheckIfAlreadySeen("Networker Import",
+ msgid,
+ now, 0,
+ eUpdate,
+ CCC->cs_pid, 0) != 0)
+ {
+ FreeStrBuf(&msgid);
+ return(1);
+ }
+ FreeStrBuf(&msgid);
+
+ return(0);
+}
+
+
/*
* Process a buffer containing a single message from a single file
* from the inbound queue
void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
{
long len;
- struct CitContext *CCC = CC;
StrBuf *Buf = NULL;
struct CtdlMessage *msg = NULL;
long pos;
unsigned char firstbyte;
unsigned char lastbyte;
- QN_syslog(LOG_DEBUG, "network_process_buffer() processing %ld bytes\n", size);
+ syslog(LOG_DEBUG, "network_process_buffer() processing %ld bytes", size);
/* Validate just a little bit. First byte should be FF and * last byte should be 00. */
firstbyte = buffer[0];
lastbyte = buffer[size-1];
if ( (firstbyte != 255) || (lastbyte != 0) ) {
- QN_syslog(LOG_ERR, "Corrupt message ignored. Length=%ld, firstbyte = %d, lastbyte = %d\n",
- size, firstbyte, lastbyte);
+ syslog(LOG_ERR, "Corrupt message ignored. Length=%ld, firstbyte = %d, lastbyte = %d", size, firstbyte, lastbyte);
return;
}
/* Check for message routing */
if (!CM_IsEmpty(msg, eDestination)) {
- if (strcasecmp(msg->cm_fields[eDestination], config.c_nodename)) {
+ if (strcasecmp(msg->cm_fields[eDestination], CtdlGetConfigStr("c_nodename"))) {
/* route the message */
Buf = NewStrBufPlain(CM_KEY(msg,eDestination));
time(NULL),
rand()
);
- QN_syslog(LOG_DEBUG, "Appending to %s\n", filename);
+ syslog(LOG_DEBUG, "Appending to %s", filename);
fp = fopen(filename, "ab");
if (fp != NULL) {
fwrite(sermsg.ser, sermsg.len, 1, fp);
fclose(fp);
}
else {
- QN_syslog(LOG_ERR, "%s: %s\n", filename, strerror(errno));
+ syslog(LOG_ERR, "%s: %s", filename, strerror(errno));
}
free(sermsg.ser);
CM_Free(msg);
else { /* invalid destination node name */
FreeStrBuf(&Buf);
- network_bounce(msg,
+ network_bounce(&msg,
"A message you sent could not be delivered due to an invalid destination node"
" name. Please check the address and try sending the message again.\n");
- msg = NULL;
return;
}
else if (!CM_IsEmpty(msg, eRecipient)) {
recp = validate_recipients(msg->cm_fields[eRecipient], NULL, 0);
if (recp != NULL) if (recp->num_error != 0) {
- network_bounce(msg,
+ network_bounce(&msg,
"A message you sent could not be delivered due to an invalid address.\n"
"Please check the address and try sending the message again.\n");
- msg = NULL;
free_recipients(recp);
- QNM_syslog(LOG_DEBUG, "Bouncing message due to invalid recipient address.\n");
+ syslog(LOG_DEBUG, "Bouncing message due to invalid recipient address.");
return;
}
strcpy(target_room, ""); /* no target room if mail */
HashList *the_netmap,
int *netmap_changed)
{
- struct CitContext *CCC = CC;
FILE *fp;
long msgstart = (-1L);
long msgend = (-1L);
fp = fopen(filename, "rb");
if (fp == NULL) {
- QN_syslog(LOG_CRIT, "Error opening %s: %s\n", filename, strerror(errno));
+ syslog(LOG_CRIT, "Error opening %s: %s", filename, strerror(errno));
return;
}
fseek(fp, 0L, SEEK_END);
- QN_syslog(LOG_INFO, "network: processing %ld bytes from %s\n", ftell(fp), filename);
+ syslog(LOG_INFO, "network: processing %ld bytes from %s", ftell(fp), filename);
rewind(fp);
/* Look for messages in the data stream and break them out */
}
if (nMessages > 0)
- QN_syslog(LOG_INFO,
- "network: processed %d messages in %s\n",
- nMessages,
- filename);
+ syslog(LOG_INFO, "network: processed %d messages in %s", nMessages, filename);
fclose(fp);
unlink(filename);
*/
void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
{
- struct CitContext *CCC = CC;
DIR *dp;
struct dirent *d;
struct dirent *filedir_entry;
*/
if (stat(ctdl_netin_dir, &statbuf)) return;
if (statbuf.st_mtime == last_spoolin_mtime) {
- QNM_syslog(LOG_DEBUG, "network: nothing in inbound queue\n");
+ syslog(LOG_DEBUG, "network: nothing in inbound queue");
return;
}
last_spoolin_mtime = statbuf.st_mtime;
- QNM_syslog(LOG_DEBUG, "network: processing inbound queue\n");
+ syslog(LOG_DEBUG, "network: processing inbound queue");
/*
* Ok, there's something interesting in there, so scan it.
*/
void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netmap)
{
- struct CitContext *CCC = CC;
IOBuffer IOB;
FDIOBuffer FDIO;
int d_namelen;
ctdl_netout_dir,
ChrPtr(NextHop));
- QN_syslog(LOG_DEBUG, "Consolidate %s to %s\n", filename, ChrPtr(NextHop));
+ syslog(LOG_DEBUG, "Consolidate %s to %s", filename, ChrPtr(NextHop));
if (CtdlNetworkTalkingTo(SKEY(NextHop), NTT_CHECK)) {
nFailed++;
- QN_syslog(LOG_DEBUG,
- "Currently online with %s - skipping for now\n",
- ChrPtr(NextHop)
- );
+ syslog(LOG_DEBUG, "Currently online with %s - skipping for now", ChrPtr(NextHop));
}
else {
size_t dsize;
infd = open(filename, O_RDONLY);
if (infd == -1) {
nFailed++;
- QN_syslog(LOG_ERR,
- "failed to open %s for reading due to %s; skipping.\n",
+ syslog(LOG_ERR,
+ "failed to open %s for reading due to %s; skipping.",
filename, strerror(errno)
- );
+ );
CtdlNetworkTalkingTo(SKEY(NextHop), NTT_REMOVE);
continue;
}
}
if (outfd == -1) {
nFailed++;
- QN_syslog(LOG_ERR,
- "failed to open %s for reading due to %s; skipping.\n",
+ syslog(LOG_ERR,
+ "failed to open %s for reading due to %s; skipping.",
spooloutfilename, strerror(errno)
- );
+ );
close(infd);
CtdlNetworkTalkingTo(SKEY(NextHop), NTT_REMOVE);
continue;
do {} while ((FileMoveChunked(&FDIO, &err) > 0) && (err == NULL));
if (err == NULL) {
unlink(filename);
- QN_syslog(LOG_DEBUG,
- "Spoolfile %s now "SIZE_T_FMT" k\n",
- spooloutfilename,
- (dsize + fsize)/1024
- );
+ syslog(LOG_DEBUG, "Spoolfile %s now "SIZE_T_FMT" KB", spooloutfilename, (dsize + fsize)/1024);
}
else {
nFailed++;
- QN_syslog(LOG_ERR,
- "failed to append to %s [%s]; rolling back..\n",
- spooloutfilename, strerror(errno)
- );
+ syslog(LOG_ERR, "failed to append to %s [%s]; rolling back..", spooloutfilename, strerror(errno));
/* whoops partial append?? truncate spooloutfilename again! */
ftruncate(outfd, dsize);
}
if (nFailed > 0) {
FreeStrBuf(&NextHop);
- QN_syslog(LOG_INFO,
- "skipping Spoolcleanup because of %d files unprocessed.\n",
- nFailed
- );
+ syslog(LOG_INFO, "skipping Spoolcleanup because of %d files unprocessed.", nFailed);
return;
}