/*
- * This module handles shared rooms, inter-Citadel mail, and outbound
- * mailing list processing.
+ * This module handles network mail and mailing list processing.
*
- * Copyright (c) 2000-2012 by the citadel.org team
+ * Copyright (c) 2000-2019 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
* so many things inside these, here are the rules:
* 1. begin_critical_section(S_NETCONFIGS) *before* begin_ any others.
* 2. Do *not* perform any I/O with the client during these sections.
- *
*/
/*
#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"
#include "netspool.h"
#include "netmail.h"
-int NetQDebugEnabled = 0;
-struct CitContext networker_spool_CC;
-
/* comes from lookup3.c from libcitadel... */
extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
typedef struct __roomlists {
RoomProcList *rplist;
-}roomlists;
+} roomlists;
+
+
/*
* When we do network processing, it's accomplished in two passes; one to
* gather a list of rooms and one to actually do them. It's ok that rplist
*/
struct RoomProcList *rplist = NULL;
-
-
-/*
- * 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(msg->cm_fields[emessageId], -1);
- if (haschar(ChrPtr(msgid), '@') == 0) {
- StrBufAppendBufPlain(msgid, HKEY("@"), 0);
- if (!CM_IsEmpty(msg, eNodeName)) {
- StrBufAppendBufPlain(msgid, msg->cm_fields[eNodeName], -1, 0);
- }
- else {
- FreeStrBuf(&msgid);
- return(0);
- }
- }
- now = time(NULL);
- if (CheckIfAlreadySeen("Networker Import",
- msgid,
- now, 0,
- eCheckUpdate,
- CCC->cs_pid, 0) != 0)
- {
- FreeStrBuf(&msgid);
- return(1);
- }
- FreeStrBuf(&msgid);
-
- return(0);
-}
-
-
-
-/*
- * Send the *entire* contents of the current room to one specific network node,
- * ignoring anything we know about which messages have already undergone
- * network processing. This can be used to bring a new node into sync.
- */
-int network_sync_to(char *target_node, long len)
-{
- struct CitContext *CCC = CC;
- OneRoomNetCfg OneRNCFG;
- OneRoomNetCfg *pRNCFG;
- const RoomNetCfgLine *pCfgLine;
- SpoolControl sc;
- int num_spooled = 0;
-
- /* Grab the configuration line we're looking for */
- begin_critical_section(S_NETCONFIGS);
- pRNCFG = CtdlGetNetCfgForRoom(CCC->room.QRnumber);
- if ((pRNCFG == NULL) ||
- (pRNCFG->NetConfigs[ignet_push_share] == NULL))
- {
- return -1;
- }
-
- pCfgLine = pRNCFG->NetConfigs[ignet_push_share];
- while (pCfgLine != NULL)
- {
- if (!strcmp(ChrPtr(pCfgLine->Value[0]), target_node))
- break;
- pCfgLine = pCfgLine->next;
- }
- if (pCfgLine == NULL)
- {
- return -1;
- }
-
- memset(&sc, 0, sizeof(SpoolControl));
- memset(&OneRNCFG, 0, sizeof(OneRoomNetCfg));
- sc.RNCfg = &OneRNCFG;
- sc.RNCfg->NetConfigs[ignet_push_share] = DuplicateOneGenericCfgLine(pCfgLine);
- sc.Users[ignet_push_share] = NewStrBufPlain(NULL,
- StrLength(pCfgLine->Value[0]) +
- StrLength(pCfgLine->Value[1]) + 10);
- StrBufAppendBuf(sc.Users[ignet_push_share],
- pCfgLine->Value[0],
- 0);
- StrBufAppendBufPlain(sc.Users[ignet_push_share],
- HKEY(","),
- 0);
-
- StrBufAppendBuf(sc.Users[ignet_push_share],
- pCfgLine->Value[1],
- 0);
- CalcListID(&sc);
-
- end_critical_section(S_NETCONFIGS);
-
- sc.working_ignetcfg = CtdlLoadIgNetCfg();
- sc.the_netmap = CtdlReadNetworkMap();
-
- /* Send ALL messages */
- num_spooled = CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL,
- network_spool_msg, &sc);
-
- /* Concise cleanup because we know there's only one node in the sc */
- DeleteGenericCfgLine(NULL/*TODO*/, &sc.RNCfg->NetConfigs[ignet_push_share]);
-
- DeleteHash(&sc.working_ignetcfg);
- DeleteHash(&sc.the_netmap);
- free_spoolcontrol_struct_members(&sc);
-
- QN_syslog(LOG_NOTICE, "Synchronized %d messages to <%s>\n",
- num_spooled, target_node);
- return(num_spooled);
-}
-
-
-/*
- * Implements the NSYN command
- */
-void cmd_nsyn(char *argbuf) {
- int num_spooled;
- long len;
- char target_node[256];
-
- if (CtdlAccessCheck(ac_aide)) return;
-
- len = extract_token(target_node, argbuf, 0, '|', sizeof target_node);
- num_spooled = network_sync_to(target_node, len);
- if (num_spooled >= 0) {
- cprintf("%d Spooled %d messages.\n", CIT_OK, num_spooled);
- }
- else {
- cprintf("%d No such room/node share exists.\n",
- ERROR + ROOM_NOT_FOUND);
- }
-}
-
RoomProcList *CreateRoomProcListEntry(struct ctdlroom *qrbuf, OneRoomNetCfg *OneRNCFG)
{
int i;
struct RoomProcList *ptr;
ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
- if (ptr == NULL) return NULL;
+ if (ptr == NULL) {
+ return NULL;
+ }
ptr->namelen = strlen(qrbuf->QRname);
- if (ptr->namelen > ROOMNAMELEN)
+ if (ptr->namelen > ROOMNAMELEN) {
ptr->namelen = ROOMNAMELEN - 1;
+ }
memcpy (ptr->name, qrbuf->QRname, ptr->namelen);
ptr->name[ptr->namelen] = '\0';
ptr->lcname[ptr->namelen] = '\0';
ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345);
- ptr->lastsent = OneRNCFG->lastsent;
- ptr->OneRNCfg = OneRNCFG;
return ptr;
}
struct RoomProcList *ptr;
roomlists *RP = (roomlists*) data;
- if (!HaveSpoolConfig(OneRNCfg))
+ if (!HaveSpoolConfig(OneRNCfg)) {
return;
+ }
ptr = CreateRoomProcListEntry(qrbuf, OneRNCfg);
/*
* Batch up and send all outbound traffic from the current room
*/
-int network_room_handler (struct ctdlroom *qrbuf)
+int network_room_handler(struct ctdlroom *qrbuf)
{
struct RoomProcList *ptr;
- OneRoomNetCfg* RNCfg;
+ OneRoomNetCfg *RNCfg;
- if (qrbuf->QRdefaultview == VIEW_QUEUE)
+ if (qrbuf->QRdefaultview == VIEW_QUEUE) {
return 1;
+ }
RNCfg = CtdlGetNetCfgForRoom(qrbuf->QRnumber);
- if (RNCfg == NULL)
+ if (RNCfg == NULL) {
return 1;
+ }
- if (!HaveSpoolConfig(RNCfg))
+ if (!HaveSpoolConfig(RNCfg)) {
+ FreeRoomNetworkStruct(&RNCfg);
return 1;
+ }
ptr = CreateRoomProcListEntry(qrbuf, RNCfg);
- if (ptr == NULL)
+ if (ptr == NULL) {
+ FreeRoomNetworkStruct(&RNCfg);
return 1;
+ }
- ptr->OneRNCfg = NULL;
begin_critical_section(S_RPLIST);
ptr->next = rplist;
rplist = ptr;
end_critical_section(S_RPLIST);
+ FreeRoomNetworkStruct(&RNCfg);
return 1;
}
}
-
-/*
- * Bounce a message back to the sender
- */
-void network_bounce(struct CtdlMessage *msg, char *reason)
-{
- struct CitContext *CCC = CC;
- char buf[SIZ];
- char bouncesource[SIZ];
- char recipient[SIZ];
- struct recptypes *valid = NULL;
- char force_room[ROOMNAMELEN];
- static int serialnum = 0;
- long len;
-
- QNM_syslog(LOG_DEBUG, "entering network_bounce()\n");
-
- if (msg == NULL) return;
-
- snprintf(bouncesource, sizeof bouncesource, "%s@%s", BOUNCESOURCE, config.c_nodename);
-
- /*
- * Give it a fresh message ID
- */
- len = snprintf(buf, sizeof(buf),
- "%ld.%04lx.%04x@%s",
- (long)time(NULL),
- (long)getpid(),
- ++serialnum,
- config.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, config.c_nodename, strlen(config.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, config.c_aideroom);
- }
- else {
- strcpy(force_room, "");
- }
- if ( (valid == NULL) && IsEmptyStr(force_room) ) {
- strcpy(force_room, config.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");
-}
-
-
-
/*
* network_do_queue()
*
*/
void network_do_queue(void)
{
- struct CitContext *CCC = CC;
static time_t last_run = 0L;
int full_processing = 1;
HashList *working_ignetcfg;
* Run the full set of processing tasks no more frequently
* than once every n seconds
*/
- if ( (time(NULL) - last_run) < config.c_net_freq ) {
+ if ( (time(NULL) - last_run) < CtdlGetConfigLong("c_net_freq") )
+ {
full_processing = 0;
- syslog(LOG_DEBUG, "Network full processing in %ld seconds.\n",
- config.c_net_freq - (time(NULL)- last_run)
- );
+ syslog(LOG_DEBUG, "network: full processing in %ld seconds.", CtdlGetConfigLong("c_net_freq") - (time(NULL)- last_run));
}
- become_session(&networker_spool_CC);
begin_critical_section(S_RPLIST);
RL.rplist = rplist;
rplist = NULL;
end_critical_section(S_RPLIST);
-///TODO hm, check whether we have a config at all here?
+
+ // TODO hm, check whether we have a config at all here?
/* Load the IGnet Configuration into memory */
working_ignetcfg = CtdlLoadIgNetCfg();
/*
* Load the network map and filter list into memory.
*/
- if (!server_shutting_down)
+ if (!server_shutting_down) {
the_netmap = CtdlReadNetworkMap();
-#if 0
- /* filterlist isn't supported anymore
- if (!server_shutting_down)
- load_network_filter_list();
- */
-#endif
+ }
/*
* Go ahead and run the queue
*/
if (full_processing && !server_shutting_down) {
- QNM_syslog(LOG_DEBUG, "network: loading outbound queue");
- CtdlForEachNetCfgRoom(network_queue_interesting_rooms, &RL, maxRoomNetCfg);
+ syslog(LOG_DEBUG, "network: loading outbound queue");
+ CtdlForEachNetCfgRoom(network_queue_interesting_rooms, &RL);
}
if ((RL.rplist != NULL) && (!server_shutting_down)) {
RoomProcList *ptr, *cmp;
ptr = RL.rplist;
- QNM_syslog(LOG_DEBUG, "network: running outbound queue");
+ syslog(LOG_DEBUG, "network: running outbound queue");
while (ptr != NULL && !server_shutting_down) {
cmp = ptr->next;
}
if (ptr->namelen > 0) {
- InspectQueuedRoom(&sc,
- ptr,
- working_ignetcfg,
- the_netmap);
+ InspectQueuedRoom(&sc, ptr, working_ignetcfg, the_netmap);
}
ptr = ptr->next;
}
free_spoolcontrol_struct(&pSC);
pSC = sc;
}
- /* If there is anything in the inbound queue, process it */
- if (!server_shutting_down) {
- network_do_spoolin(working_ignetcfg,
- the_netmap,
- &netmap_changed);
- }
-
- /* Free the filter list in memory */
- free_netfilter_list();
/* Save the network map back to disk */
if (netmap_changed) {
free(pMapStr);
}
- /* combine singe message files into one spool entry per remote node. */
- network_consolidate_spoolout(working_ignetcfg, the_netmap);
-
/* shut down. */
DeleteHash(&the_netmap);
DeleteHash(&working_ignetcfg);
- QNM_syslog(LOG_DEBUG, "network: queue run completed");
+ syslog(LOG_DEBUG, "network: queue run completed");
if (full_processing) {
last_run = time(NULL);
}
destroy_network_queue_room(RL.rplist);
- SaveChangedConfigs();
-
-}
-
-
-
-
-
-
-
-
-void network_logout_hook(void)
-{
- CitContext *CCC = MyContext();
-
- /*
- * If we were talking to a network node, we're not anymore...
- */
- if (!IsEmptyStr(CCC->net_node)) {
- CtdlNetworkTalkingTo(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
- CCC->net_node[0] = '\0';
- }
-}
-void network_cleanup_function(void)
-{
- struct CitContext *CCC = CC;
-
- if (!IsEmptyStr(CCC->net_node)) {
- CtdlNetworkTalkingTo(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
- CCC->net_node[0] = '\0';
- }
}
/*
* Module entry point
*/
-
-void SetNetQDebugEnabled(const int n)
-{
- NetQDebugEnabled = n;
-}
-
CTDL_MODULE_INIT(network)
{
if (!threading)
{
- CtdlFillSystemContext(&networker_spool_CC, "CitNetSpool");
- CtdlRegisterDebugFlagHook(HKEY("networkqueue"), SetNetQDebugEnabled, &NetQDebugEnabled);
- CtdlRegisterSessionHook(network_cleanup_function, EVT_STOP, PRIO_STOP + 30);
- CtdlRegisterSessionHook(network_logout_hook, EVT_LOGOUT, PRIO_LOGOUT + 10);
- CtdlRegisterProtoHook(cmd_nsyn, "NSYN", "Synchronize room to node");
CtdlRegisterRoomHook(network_room_handler);
CtdlRegisterCleanupHook(destroy_network_queue_room_locked);
CtdlRegisterSessionHook(network_do_queue, EVT_TIMER, PRIO_QUEUE + 10);
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