Merge branch 'configdb' of ssh://git.citadel.org/appl/gitroot/citadel
[citadel.git] / citadel / modules / network / serv_netspool.c
index 9698c3694f1f3aceb4f3100459a539505601f4f5..eeb35ba71b8fd060254ca953c498ffcdfae5812c 100644 (file)
 #endif
 
 
+/*
+ * Bounce a message back to the sender
+ */
+void network_bounce(struct CtdlMessage **pMsg, char *reason)
+{
+       struct CitContext *CCC = CC;
+       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;
+       QNM_syslog(LOG_DEBUG, "entering network_bounce()\n");
+
+       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.
+        */
+       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);
+       QNM_syslog(LOG_DEBUG, "leaving network_bounce()\n");
+}
+
+
 void ParseLastSent(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
 {
        RoomNetCfgLine *nptr;
@@ -374,7 +454,8 @@ void network_spoolout_room(SpoolControl *sc)
        }
        else
        {
-               snprintf(buf, sizeof buf, "room_%s@%s", CCC->room.QRname, CtdlGetConfigStr("c_fqdn"));
+               snprintf(buf, sizeof buf, "room_%s@%s",
+                        CCC->room.QRname, CtdlGetConfigStr("c_fqdn"));
        }
 
        for (i=0; buf[i]; ++i) {
@@ -433,6 +514,53 @@ void network_spoolout_room(SpoolControl *sc)
        }
 }
 
+
+/*
+ * 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 
@@ -529,10 +657,9 @@ 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;
 
                        }
@@ -569,10 +696,9 @@ void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg,
        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");
                        return;