closer...
[citadel.git] / citadel / modules / network / serv_netspool.c
index ca0d6181e3309362dd4c436cb16a1ec6664f8fb3..3b53305b153eb074c5295541af4dd312de09e801 100644 (file)
@@ -2,15 +2,15 @@
  * 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
@@ -60,6 +60,7 @@
 #include <sys/wait.h>
 #include <string.h>
 #include <limits.h>
+#include <assert.h>
 #include <libcitadel.h>
 #include "citadel.h"
 #include "server.h"
@@ -72,7 +73,6 @@
 #include "internet_addressing.h"
 #include "serv_network.h"
 #include "clientsocket.h"
-#include "file_ops.h"
 #include "citadel_dirs.h"
 #include "threads.h"
 #include "context.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;
@@ -160,7 +241,23 @@ int HaveSpoolConfig(OneRoomNetCfg* RNCfg)
        return interested;
 }
 
+void Netmap_AddMe(struct CtdlMessage *msg, const char *defl, long defllen)
+{
+       long node_len;
+       char buf[SIZ];
 
+       /* prepend our node to the path */
+       if (CM_IsEmpty(msg, eMessagePath)) {
+               CM_SetField(msg, eMessagePath, defl, defllen);
+       }
+       node_len = strlen(CtdlGetConfigStr("c_nodename"));
+       if (node_len >= SIZ) 
+               node_len = SIZ - 1;
+       memcpy(buf, CtdlGetConfigStr("c_nodename"), node_len);
+       buf[node_len] = '!';
+       buf[node_len + 1] = '\0';
+       CM_PrependToField(msg, eMessagePath, buf, node_len + 1);
+}
 
 void InspectQueuedRoom(SpoolControl **pSC,
                       RoomProcList *room_to_spool,     
@@ -170,9 +267,10 @@ void InspectQueuedRoom(SpoolControl **pSC,
        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;
@@ -183,47 +281,50 @@ void InspectQueuedRoom(SpoolControl **pSC,
         * 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)
-       {
-               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;
        }
 
-       if (sc->RNCfg == NULL)
-               sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+       assert(sc->RNCfg == NULL);      // checking to make sure we cleared it from last time
+
+       sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
 
-       if (!HaveSpoolConfig(sc->RNCfg))
+       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) ) 
        {
+               // 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);
+       }
 
        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;
        const char *err;
        int fd;
        struct CitContext *CCC = CC;
@@ -233,7 +334,7 @@ void CalcListID(SpoolControl *sc)
        assoc_file_name(filename, sizeof filename, &sc->room, ctdl_info_dir);
        fd = open(filename, 0);
 
-       if (fd != 0) {
+       if (fd > 0) {
                struct stat stbuf;
 
                if ((fstat(fd, &stbuf) == 0) &&
@@ -264,6 +365,9 @@ void CalcListID(SpoolControl *sc)
        }
 
        StrBufAppendBufPlain(sc->ListID, HKEY("<"), 0);
+       RoomName = NewStrBufPlain (sc->room.QRname, -1);
+       StrBufAsciify(RoomName, '_');
+       StrBufReplaceChars(RoomName, ' ', '_');
 
        if (StrLength(sc->Users[roommailalias]) > 0)
        {
@@ -282,9 +386,9 @@ void CalcListID(SpoolControl *sc)
        else
        {
                StrBufAppendBufPlain(sc->ListID, HKEY("room_"), 0);
-               StrBufAppendBufPlain(sc->ListID, sc->room.QRname, -1, 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>
@@ -299,17 +403,18 @@ void CalcListID(SpoolControl *sc)
        {
                sc->Users[roommailalias] = NewStrBuf();
                
-               StrBufPrintf(sc->Users[roommailalias],
-                            "room_%s@%s",
-                            CCC->room.QRname,
-                            config.c_fqdn);
+               StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("room_"), 0);
+               StrBufAppendBuf(sc->Users[roommailalias], RoomName, 0);
+               StrBufAppendBufPlain(sc->Users[roommailalias], HKEY("@"), 0);
+               StrBufAppendBufPlain(sc->Users[roommailalias], CtdlGetConfigStr("c_fqdn"), -1, 0);
 
-               StrBufAsciify(sc->Users[roommailalias], '_');
                StrBufLowerCase(sc->Users[roommailalias]);
        }
 
+       FreeStrBuf(&RoomName);
 }
 
+static time_t last_digest_delivery = 0;
 
 /*
  * Batch up and send all outbound traffic from the current room
@@ -328,24 +433,17 @@ void network_spoolout_room(SpoolControl *sc)
         */
        memcpy (&CCC->room, &sc->room, sizeof(ctdlroom));
 
-       syslog(LOG_INFO, "Networking started for <%s>\n", CCC->room.QRname);
-
-       /* If there are digest recipients, we have to build a digest */
-       if (sc->Users[digestrecp] != NULL) {
-               sc->digestfp = tmpfile();
-               fprintf(sc->digestfp, "Content-type: text/plain\n\n");
-       }
+       syslog(LOG_INFO, "network_spoolout_room(%s)", CCC->room.QRname);
 
        CalcListID(sc);
 
        /* remember where we started... */
        lastsent = sc->lastsent;
 
-       /* Do something useful */
+       /* Fetch the messages we ought to send & prepare them. */
        CtdlForEachMessage(MSGS_GT, sc->lastsent, NULL, NULL, NULL,
                network_spool_msg, sc);
 
-       /* If we wrote a digest, deliver it and then close it */
        if (StrLength(sc->Users[roommailalias]) > 0)
        {
                long len;
@@ -358,66 +456,147 @@ void network_spoolout_room(SpoolControl *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) {
                buf[i] = tolower(buf[i]);
                if (isspace(buf[i])) buf[i] = '_';
        }
+
+
+       /* If we wrote a digest, deliver it and then close it */
+       if (sc->Users[digestrecp] != NULL) {
+               time_t now = time(NULL);
+               time_t secs_today = now % (24 * 60 * 60);
+               long delta = 0;
+
+               if (last_digest_delivery != 0) {
+                       delta = now - last_digest_delivery;
+                       delta = (24 * 60 * 60) - delta;
+               }
+
+               if ((secs_today < 300) && 
+                   (delta < 300))
+               {
+                       if (sc->digestfp == NULL) {
+                               sc->digestfp = create_digest_file(&sc->room, 0);
+                       }
+                       if (sc->digestfp != NULL) {
+                               last_digest_delivery = now;
+                               fprintf(sc->digestfp,
+                                       " -----------------------------------"
+                                       "------------------------------------"
+                                       "-------\n"
+                                       "You are subscribed to the '%s' "
+                                       "list.\n"
+                                       "To post to the list: %s\n",
+                                       CCC->room.QRname, buf
+                                       );
+                               network_deliver_digest(sc);     /* deliver */
+                               remove_digest_file(&sc->room);
+                       }
+               }
+       }
        if (sc->digestfp != NULL) {
-               fprintf(sc->digestfp,
-                       " -----------------------------------"
-                       "------------------------------------"
-                       "-------\n"
-                       "You are subscribed to the '%s' "
-                       "list.\n"
-                       "To post to the list: %s\n",
-                       CCC->room.QRname, buf
-               );
-               network_deliver_digest(sc);     /* deliver and close */
+               fclose(sc->digestfp);
+               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)
        {
-               sc->RNCfg = CtdlGetNetCfgForRoom(sc->room.QRnumber);
+               OneRoomNetCfg *r;
+
+               begin_critical_section(S_NETCONFIGS);
+               r = CtdlGetNetCfgForRoom(sc->room.QRnumber);
 
-               sc->RNCfg->lastsent = sc->lastsent;
-               sc->RNCfg->changed = 1;
+               r->lastsent = sc->lastsent;             // FIXME we have to do something here !!!!!!!
+
+               SaveRoomNetConfigFile(r, sc->room.QRnumber);
+               FreeRoomNetworkStruct(&r);
+               end_critical_section(S_NETCONFIGS);
        }
-       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)
 {
-       struct CitContext *CCC = CC;
+       long len;
        StrBuf *Buf = NULL;
        struct CtdlMessage *msg = NULL;
        long pos;
        int field;
-       struct recptypes *recp = NULL;
+       recptypes *recp = NULL;
        char target_room[ROOMNAMELEN];
        struct ser_ret sermsg;
-       char *oldpath = NULL;
        char filename[PATH_MAX];
        FILE *fp;
        const StrBuf *nexthop = NULL;
        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;
        }
 
@@ -433,38 +612,27 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
 
        for (pos = 3; pos < size; ++pos) {
                field = buffer[pos];
-               msg->cm_fields[field] = strdup(&buffer[pos+1]);
-               pos = pos + strlen(&buffer[(int)pos]);
+               len = strlen(buffer + pos + 1);
+               CM_SetField(msg, field, buffer + pos + 1, len);
+               pos = pos + len + 1;
        }
 
        /* Check for message routing */
-       if (msg->cm_fields['D'] != NULL) {
-               if (strcasecmp(msg->cm_fields['D'], config.c_nodename)) {
+       if (!CM_IsEmpty(msg, eDestination)) {
+               if (strcasecmp(msg->cm_fields[eDestination], CtdlGetConfigStr("c_nodename"))) {
 
                        /* route the message */
-                       Buf = NewStrBufPlain(msg->cm_fields['D'], -1);
+                       Buf = NewStrBufPlain(CM_KEY(msg,eDestination));
                        if (CtdlIsValidNode(&nexthop, 
                                            NULL, 
                                            Buf, 
                                            working_ignetcfg, 
                                            the_netmap) == 0) 
                        {
-                               /* prepend our node to the path */
-                               if (msg->cm_fields['P'] != NULL) {
-                                       oldpath = msg->cm_fields['P'];
-                                       msg->cm_fields['P'] = NULL;
-                               }
-                               else {
-                                       oldpath = strdup("unknown_user");
-                               }
-                               size = strlen(oldpath) + SIZ;
-                               msg->cm_fields['P'] = malloc(size);
-                               snprintf(msg->cm_fields['P'], size, "%s!%s",
-                                       config.c_nodename, oldpath);
-                               free(oldpath);
+                               Netmap_AddMe(msg, HKEY("unknown_user"));
 
                                /* serialize the message */
-                               serialize_message(&sermsg, msg);
+                               CtdlSerializeMessage(&sermsg, msg);
 
                                /* now send it */
                                if (StrLength(nexthop) == 0) {
@@ -478,17 +646,17 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
                                         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);
-                               CtdlFreeMessage(msg);
+                               CM_Free(msg);
                                FreeStrBuf(&Buf);
                                return;
                        }
@@ -496,10 +664,9 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
                        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;
 
                        }
@@ -513,14 +680,14 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
         * connected that it's inevitable.)
         */
        if (network_usetable(msg) != 0) {
-               CtdlFreeMessage(msg);
+               CM_Free(msg);
                return;
        }
 
        /* Learn network topology from the path */
-       if ((msg->cm_fields['N'] != NULL) && (msg->cm_fields['P'] != NULL)) {
-               NetworkLearnTopology(msg->cm_fields['N'], 
-                                    msg->cm_fields['P'], 
+       if (!CM_IsEmpty(msg, eNodeName) && !CM_IsEmpty(msg, eMessagePath)) {
+               NetworkLearnTopology(msg->cm_fields[eNodeName], 
+                                    msg->cm_fields[eMessagePath], 
                                     the_netmap, 
                                     netmap_changed);
        }
@@ -528,48 +695,41 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
        /* Is the sending node giving us a very persuasive suggestion about
         * which room this message should be saved in?  If so, go with that.
         */
-       if (msg->cm_fields['C'] != NULL) {
-               safestrncpy(target_room, msg->cm_fields['C'], sizeof target_room);
+       if (!CM_IsEmpty(msg, eRemoteRoom)) {
+               safestrncpy(target_room, msg->cm_fields[eRemoteRoom], sizeof target_room);
        }
 
        /* Otherwise, does it have a recipient?  If so, validate it... */
-       else if (msg->cm_fields['R'] != NULL) {
-               recp = validate_recipients(msg->cm_fields['R'], NULL, 0);
+       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 */
        }
 
        /* Our last shot at finding a home for this message is to see if
-        * it has the O field (Originating room) set.
+        * it has the eOriginalRoom (O) field (Originating room) set.
         */
-       else if (msg->cm_fields['O'] != NULL) {
-               safestrncpy(target_room, msg->cm_fields['O'], sizeof target_room);
+       else if (!CM_IsEmpty(msg, eOriginalRoom)) {
+               safestrncpy(target_room, msg->cm_fields[eOriginalRoom], sizeof target_room);
        }
 
        /* Strip out fields that are only relevant during transit */
-       if (msg->cm_fields['D'] != NULL) {
-               free(msg->cm_fields['D']);
-               msg->cm_fields['D'] = NULL;
-       }
-       if (msg->cm_fields['C'] != NULL) {
-               free(msg->cm_fields['C']);
-               msg->cm_fields['C'] = NULL;
-       }
+       CM_FlushField(msg, eDestination);
+       CM_FlushField(msg, eRemoteRoom);
 
        /* save the message into a room */
        if (PerformNetprocHooks(msg, target_room) == 0) {
                msg->cm_flags = CM_SKIP_HOOKS;
                CtdlSubmitMsg(msg, recp, target_room, 0);
        }
-       CtdlFreeMessage(msg);
+       CM_Free(msg);
        free_recipients(recp);
 }
 
@@ -615,22 +775,21 @@ void network_process_file(char *filename,
                          HashList *the_netmap, 
                          int *netmap_changed)
 {
-       struct CitContext *CCC = CC;
        FILE *fp;
        long msgstart = (-1L);
        long msgend = (-1L);
        long msgcur = 0L;
        int ch;
-
+       int nMessages = 0;
 
        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 */
@@ -650,6 +809,7 @@ void network_process_file(char *filename,
                }
 
                ++msgcur;
+               nMessages ++;
        }
 
        msgend = msgcur - 1;
@@ -660,8 +820,12 @@ void network_process_file(char *filename,
                                        working_ignetcfg,
                                        the_netmap,
                                        netmap_changed);
+               nMessages ++;
        }
 
+       if (nMessages > 0)
+               syslog(LOG_INFO, "network: processed %d messages in %s", nMessages, filename);
+
        fclose(fp);
        unlink(filename);
 }
@@ -672,7 +836,6 @@ void network_process_file(char *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;
@@ -688,11 +851,11 @@ void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *n
         */
        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.
@@ -710,7 +873,7 @@ void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *n
               (filedir_entry != NULL))
        {
 #ifdef _DIRENT_HAVE_D_NAMLEN
-               d_namelen = filedir_entry->d_namelen;
+               d_namelen = filedir_entry->d_namlen;
 
 #else
                d_namelen = strlen(filedir_entry->d_name);
@@ -777,7 +940,6 @@ void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *n
  */
 void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netmap)
 {
-       struct CitContext *CCC = CC;
        IOBuffer IOB;
        FDIOBuffer FDIO;
         int d_namelen;
@@ -814,7 +976,7 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
               (filedir_entry != NULL))
        {
 #ifdef _DIRENT_HAVE_D_NAMLEN
-               d_namelen = filedir_entry->d_namelen;
+               d_namelen = filedir_entry->d_namlen;
 
 #else
                d_namelen = strlen(filedir_entry->d_name);
@@ -860,13 +1022,10 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
                         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;
@@ -878,10 +1037,10 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
                        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;                               
                        }
@@ -897,10 +1056,10 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
                        }
                        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;
@@ -923,18 +1082,11 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
                        do {} while ((FileMoveChunked(&FDIO, &err) > 0) && (err == NULL));
                        if (err == NULL) {
                                unlink(filename);
-                               QN_syslog(LOG_DEBUG,
-                                         "Spoolfile %s now %ld 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);
                        }
@@ -948,10 +1100,7 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
 
        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;
        }
@@ -968,7 +1117,7 @@ void network_consolidate_spoolout(HashList *working_ignetcfg, HashList *the_netm
               (filedir_entry != NULL))
        {
 #ifdef _DIRENT_HAVE_D_NAMLEN
-               d_namelen = filedir_entry->d_namelen;
+               d_namelen = filedir_entry->d_namlen;
 
 #else
                d_namelen = strlen(filedir_entry->d_name);