/*
- * 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 as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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"
-
-#ifndef HAVE_SNPRINTF
-#include "snprintf.h"
-#endif
-
#include "context.h"
-#include "netconfig.h"
+#include "ctdl_module.h"
#include "netspool.h"
#include "netmail.h"
-#include "ctdl_module.h"
/* comes from lookup3.c from libcitadel... */
extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
typedef struct __roomlists {
RoomProcList *rplist;
- HashList *RoomsInterestedIn;
-}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;
-int GetNetworkedRoomNumbers(const char *DirName, HashList *DirList)
+RoomProcList *CreateRoomProcListEntry(struct ctdlroom *qrbuf, OneRoomNetCfg *OneRNCFG)
{
- DIR *filedir = NULL;
- struct dirent *d;
- struct dirent *filedir_entry;
- long RoomNR;
- long Count = 0;
-
- filedir = opendir (DirName);
- if (filedir == NULL) {
- return 0;
- }
-
- d = (struct dirent *)malloc(offsetof(struct dirent, d_name) + PATH_MAX + 1);
- if (d == NULL) {
- return 0;
- }
-
- while ((readdir_r(filedir, d, &filedir_entry) == 0) &&
- (filedir_entry != NULL))
- {
- RoomNR = atol(filedir_entry->d_name);
- if (RoomNR != 0) {
- Count++;
- Put(DirList, LKEY(RoomNR), &Count, reference_free_handler);
- }
- }
- free(d);
- closedir(filedir);
- return Count;
-}
-
-
-
-
-/*
- * 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) {
-
- char msgid[SIZ];
- struct cdbdata *cdbut;
- struct UseTable ut;
-
- /* Bail out if we can't generate a message ID */
- if (msg == NULL) {
- return(0);
- }
- if (msg->cm_fields['I'] == NULL) {
- return(0);
- }
- if (IsEmptyStr(msg->cm_fields['I'])) {
- return(0);
- }
+ int i;
+ struct RoomProcList *ptr;
- /* Generate the message ID */
- strcpy(msgid, msg->cm_fields['I']);
- if (haschar(msgid, '@') == 0) {
- strcat(msgid, "@");
- if (msg->cm_fields['N'] != NULL) {
- strcat(msgid, msg->cm_fields['N']);
- }
- else {
- return(0);
- }
+ ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
+ if (ptr == NULL) {
+ return NULL;
}
- cdbut = cdb_fetch(CDB_USETABLE, msgid, strlen(msgid));
- if (cdbut != NULL) {
- cdb_free(cdbut);
- syslog(LOG_DEBUG, "network_usetable() : we already have %s\n", msgid);
- return(1);
+ ptr->namelen = strlen(qrbuf->QRname);
+ if (ptr->namelen > ROOMNAMELEN) {
+ ptr->namelen = ROOMNAMELEN - 1;
}
- /* If we got to this point, it's unique: add it. */
- strcpy(ut.ut_msgid, msgid);
- ut.ut_timestamp = time(NULL);
- cdb_store(CDB_USETABLE, msgid, strlen(msgid), &ut, sizeof(struct UseTable) );
- return(0);
-}
-
-
-
-
-
-
-
-
-
+ memcpy (ptr->name, qrbuf->QRname, ptr->namelen);
+ ptr->name[ptr->namelen] = '\0';
+ ptr->QRNum = qrbuf->QRnumber;
-/*
- * 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) {
- SpoolControl sc;
- int num_spooled = 0;
- int found_node = 0;
- char buf[256];
- char sc_type[256];
- char sc_node[256];
- char sc_room[256];
- char filename[PATH_MAX];
- FILE *fp;
-
- /* Grab the configuration line we're looking for */
- assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
- begin_critical_section(S_NETCONFIGS);
- fp = fopen(filename, "r");
- if (fp == NULL) {
- end_critical_section(S_NETCONFIGS);
- return(-1);
- }
- while (fgets(buf, sizeof buf, fp) != NULL) {
- buf[strlen(buf)-1] = 0;
- extract_token(sc_type, buf, 0, '|', sizeof sc_type);
- extract_token(sc_node, buf, 1, '|', sizeof sc_node);
- extract_token(sc_room, buf, 2, '|', sizeof sc_room);
- if ( (!strcasecmp(sc_type, "ignet_push_share"))
- && (!strcasecmp(sc_node, target_node)) ) {
- found_node = 1;
-
- /* Concise syntax because we don't need a full linked-list */
- memset(&sc, 0, sizeof(SpoolControl));
- sc.ignet_push_shares = (maplist *)
- malloc(sizeof(maplist));
- sc.ignet_push_shares->next = NULL;
- safestrncpy(sc.ignet_push_shares->remote_nodename,
- sc_node,
- sizeof sc.ignet_push_shares->remote_nodename);
- safestrncpy(sc.ignet_push_shares->remote_roomname,
- sc_room,
- sizeof sc.ignet_push_shares->remote_roomname);
- }
+ for (i = 0; i < ptr->namelen; i++)
+ {
+ ptr->lcname[i] = tolower(ptr->name[i]);
}
- fclose(fp);
- end_critical_section(S_NETCONFIGS);
-
- if (!found_node) return(-1);
- /* 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 */
- free(sc.ignet_push_shares);
-
- 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;
- char target_node[256];
-
- if (CtdlAccessCheck(ac_aide)) return;
-
- extract_token(target_node, argbuf, 0, '|', sizeof target_node);
- num_spooled = network_sync_to(target_node);
- 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);
- }
+ ptr->lcname[ptr->namelen] = '\0';
+ ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345);
+ return ptr;
}
-
-
/*
* Batch up and send all outbound traffic from the current room
*/
-void network_queue_interesting_rooms(struct ctdlroom *qrbuf, void *data) {
- int i;
+void network_queue_interesting_rooms(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCfg)
+{
struct RoomProcList *ptr;
- long QRNum = qrbuf->QRnumber;
- void *v;
roomlists *RP = (roomlists*) data;
- if (!GetHash(RP->RoomsInterestedIn, LKEY(QRNum), &v))
+ if (!HaveSpoolConfig(OneRNCfg)) {
return;
+ }
- ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
- if (ptr == NULL) return;
-
- ptr->namelen = strlen(qrbuf->QRname);
- if (ptr->namelen > ROOMNAMELEN)
- ptr->namelen = ROOMNAMELEN - 1;
+ ptr = CreateRoomProcListEntry(qrbuf, OneRNCfg);
- memcpy (ptr->name, qrbuf->QRname, ptr->namelen);
- ptr->name[ptr->namelen] = '\0';
- ptr->QRNum = qrbuf->QRnumber;
-
- for (i = 0; i < ptr->namelen; i++)
+ if (ptr != NULL)
{
- ptr->lcname[i] = tolower(ptr->name[i]);
+ ptr->next = RP->rplist;
+ RP->rplist = ptr;
}
-
- ptr->lcname[ptr->namelen] = '\0';
- ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345);
- ptr->next = RP->rplist;
- RP->rplist = ptr;
}
/*
* Batch up and send all outbound traffic from the current room
*/
-void network_queue_room(struct ctdlroom *qrbuf, void *data) {
- int i;
+int network_room_handler(struct ctdlroom *qrbuf)
+{
struct RoomProcList *ptr;
+ OneRoomNetCfg *RNCfg;
- if (qrbuf->QRdefaultview == VIEW_QUEUE)
- return;
- ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
- if (ptr == NULL) return;
+ if (qrbuf->QRdefaultview == VIEW_QUEUE) {
+ return 1;
+ }
- ptr->namelen = strlen(qrbuf->QRname);
- if (ptr->namelen > ROOMNAMELEN)
- ptr->namelen = ROOMNAMELEN - 1;
+ RNCfg = CtdlGetNetCfgForRoom(qrbuf->QRnumber);
+ if (RNCfg == NULL) {
+ return 1;
+ }
- memcpy (ptr->name, qrbuf->QRname, ptr->namelen);
- ptr->name[ptr->namelen] = '\0';
- ptr->QRNum = qrbuf->QRnumber;
+ if (!HaveSpoolConfig(RNCfg)) {
+ FreeRoomNetworkStruct(&RNCfg);
+ return 1;
+ }
- for (i = 0; i < ptr->namelen; i++)
- {
- ptr->lcname[i] = tolower(ptr->name[i]);
+ ptr = CreateRoomProcListEntry(qrbuf, RNCfg);
+ if (ptr == NULL) {
+ FreeRoomNetworkStruct(&RNCfg);
+ return 1;
}
- ptr->lcname[ptr->namelen] = '\0';
- ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345);
begin_critical_section(S_RPLIST);
ptr->next = rplist;
rplist = ptr;
end_critical_section(S_RPLIST);
+ FreeRoomNetworkStruct(&RNCfg);
+ return 1;
}
void destroy_network_queue_room(RoomProcList *rplist)
}
-
-/*
- * Bounce a message back to the sender
- */
-void network_bounce(struct CtdlMessage *msg, char *reason) {
- char *oldpath = NULL;
- char buf[SIZ];
- char bouncesource[SIZ];
- char recipient[SIZ];
- struct recptypes *valid = NULL;
- char force_room[ROOMNAMELEN];
- static int serialnum = 0;
- size_t size;
-
- 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
- */
- if (msg->cm_fields['I'] != NULL) {
- free(msg->cm_fields['I']);
- }
- snprintf(buf, sizeof buf, "%ld.%04lx.%04x@%s",
- (long)time(NULL), (long)getpid(), ++serialnum, config.c_fqdn);
- msg->cm_fields['I'] = strdup(buf);
-
- /*
- * FIXME ... right now we're just sending a bounce; we really want to
- * include the text of the bounced message.
- */
- if (msg->cm_fields['M'] != NULL) {
- free(msg->cm_fields['M']);
- }
- msg->cm_fields['M'] = strdup(reason);
- msg->cm_format_type = 0;
-
- /*
- * Turn the message around
- */
- if (msg->cm_fields['R'] == NULL) {
- free(msg->cm_fields['R']);
- }
-
- if (msg->cm_fields['D'] == NULL) {
- free(msg->cm_fields['D']);
- }
-
- snprintf(recipient, sizeof recipient, "%s@%s",
- msg->cm_fields['A'], msg->cm_fields['N']);
-
- if (msg->cm_fields['A'] == NULL) {
- free(msg->cm_fields['A']);
- }
-
- if (msg->cm_fields['N'] == NULL) {
- free(msg->cm_fields['N']);
- }
-
- if (msg->cm_fields['U'] == NULL) {
- free(msg->cm_fields['U']);
- }
-
- msg->cm_fields['A'] = strdup(BOUNCESOURCE);
- msg->cm_fields['N'] = strdup(config.c_nodename);
- msg->cm_fields['U'] = strdup("Delivery Status Notification (Failure)");
-
- /* 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);
-
- /* 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);
- CtdlFreeMessage(msg);
- syslog(LOG_DEBUG, "leaving network_bounce()\n");
-}
-
-
-
-
-
-
-
/*
* network_do_queue()
*
* Run through the rooms doing various types of network stuff.
*/
-void network_do_queue(void) {
- static int doing_queue = 0;
+void network_do_queue(void)
+{
static time_t last_run = 0L;
int full_processing = 1;
HashList *working_ignetcfg;
HashList *the_netmap = NULL;
int netmap_changed = 0;
roomlists RL;
+ SpoolControl *sc = NULL;
+ SpoolControl *pSC;
/*
* 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));
}
- /*
- * This is a simple concurrency check to make sure only one queue 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_queue) {
- return;
- }
- doing_queue = 1;
-
begin_critical_section(S_RPLIST);
RL.rplist = rplist;
rplist = NULL;
end_critical_section(S_RPLIST);
- RL.RoomsInterestedIn = NewHash(1, lFlathash);
- if (full_processing &&
- (GetNetworkedRoomNumbers(ctdl_netcfg_dir, RL.RoomsInterestedIn)==0))
- {
- doing_queue = 0;
- DeleteHash(&RL.RoomsInterestedIn);
- if (RL.rplist == NULL)
- return;
- }
+ // TODO hm, check whether we have a config at all here?
/* Load the IGnet Configuration into memory */
- working_ignetcfg = load_ignetcfg();
+ working_ignetcfg = CtdlLoadIgNetCfg();
/*
* Load the network map and filter list into memory.
*/
- if (!server_shutting_down)
- the_netmap = read_network_map();
- if (!server_shutting_down)
- load_network_filter_list();
+ if (!server_shutting_down) {
+ the_netmap = CtdlReadNetworkMap();
+ }
/*
* Go ahead and run the queue
*/
if (full_processing && !server_shutting_down) {
- syslog(LOG_DEBUG, "network: loading outbound queue\n");
- CtdlForEachRoom(network_queue_interesting_rooms, &RL);
+ 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;
- syslog(LOG_DEBUG, "network: running outbound queue\n");
+ syslog(LOG_DEBUG, "network: running outbound queue");
while (ptr != NULL && !server_shutting_down) {
cmp = ptr->next;
-
+ /* filter duplicates from the list... */
while (cmp != NULL) {
if ((cmp->namelen > 0) &&
(cmp->key == ptr->key) &&
}
if (ptr->namelen > 0) {
- network_spoolout_room(ptr,
- working_ignetcfg,
- the_netmap);
+ InspectQueuedRoom(&sc, ptr, working_ignetcfg, the_netmap);
}
ptr = ptr->next;
}
}
- /* If there is anything in the inbound queue, process it */
- if (!server_shutting_down) {
- network_do_spoolin(working_ignetcfg,
- the_netmap,
- &netmap_changed);
+
+ pSC = sc;
+ while (pSC != NULL)
+ {
+ network_spoolout_room(pSC);
+ pSC = pSC->next;
}
- /* Free the filter list in memory */
- free_netfilter_list();
+ pSC = sc;
+ while (pSC != NULL)
+ {
+ sc = pSC->next;
+ free_spoolcontrol_struct(&pSC);
+ pSC = sc;
+ }
/* Save the network map back to disk */
if (netmap_changed) {
- StrBuf *MapStr = SerializeNetworkMap(the_netmap);
- CtdlPutSysConfig(IGNETMAP, SmashStrBuf(&MapStr));
+ StrBuf *MapStr = CtdlSerializeNetworkMap(the_netmap);
+ char *pMapStr = SmashStrBuf(&MapStr);
+ CtdlPutSysConfig(IGNETMAP, pMapStr);
+ 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);
- syslog(LOG_DEBUG, "network: queue run completed\n");
+ syslog(LOG_DEBUG, "network: queue run completed");
if (full_processing) {
last_run = time(NULL);
}
- DeleteHash(&RL.RoomsInterestedIn);
destroy_network_queue_room(RL.rplist);
- doing_queue = 0;
-}
-
-
-
-
-int network_room_handler (struct ctdlroom *room)
-{
- network_queue_room(room, NULL);
- return 0;
-}
-
-int NTTDebugEnabled = 0;
-
-/*
- * network_talking_to() -- concurrency checker
- */
-static HashList *nttlist = NULL;
-int network_talking_to(const char *nodename, long len, int operation) {
-
- int retval = 0;
- HashPos *Pos = NULL;
- void *vdata;
-
- begin_critical_section(S_NTTLIST);
-
- switch(operation) {
-
- case NTT_ADD:
- if (nttlist == NULL)
- nttlist = NewHash(1, NULL);
- Put(nttlist, nodename, len, NewStrBufPlain(nodename, len), HFreeStrBuf);
- if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: added <%s>\n", nodename);
- break;
- case NTT_REMOVE:
- if ((nttlist == NULL) ||
- (GetCount(nttlist) == 0))
- break;
- Pos = GetNewHashPos(nttlist, 1);
- if (GetHashPosFromKey (nttlist, nodename, len, Pos))
- DeleteEntryFromHash(nttlist, Pos);
- DeleteHashPos(&Pos);
- if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: removed <%s>\n", nodename);
-
- break;
-
- case NTT_CHECK:
- if ((nttlist == NULL) ||
- (GetCount(nttlist) == 0))
- break;
- if (GetHash(nttlist, nodename, len, &vdata))
- retval ++;
- if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: have [%d] <%s>\n", retval, nodename);
- break;
- }
-
- end_critical_section(S_NTTLIST);
- return(retval);
-}
-
-void cleanup_nttlist(void)
-{
- begin_critical_section(S_NTTLIST);
- DeleteHash(&nttlist);
- end_critical_section(S_NTTLIST);
-}
-
-
-
-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)) {
- network_talking_to(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)) {
- network_talking_to(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
- CCC->net_node[0] = '\0';
- }
}
/*
* Module entry point
*/
-void SetNTTDebugEnabled(const int n)
-{
- NTTDebugEnabled = n;
-}
-
CTDL_MODULE_INIT(network)
{
if (!threading)
{
- CtdlRegisterDebugFlagHook(HKEY("networktalkingto"), SetNTTDebugEnabled, &NTTDebugEnabled);
- CtdlRegisterCleanupHook(cleanup_nttlist);
- CtdlRegisterSessionHook(network_cleanup_function, EVT_STOP);
- CtdlRegisterSessionHook(network_logout_hook, EVT_LOGOUT);
- CtdlRegisterProtoHook(cmd_nsyn, "NSYN", "Synchronize room to node");
CtdlRegisterRoomHook(network_room_handler);
CtdlRegisterCleanupHook(destroy_network_queue_room_locked);
- CtdlRegisterSessionHook(network_do_queue, EVT_TIMER);
+ CtdlRegisterSessionHook(network_do_queue, EVT_TIMER, PRIO_QUEUE + 10);
}
return "network";
}
projects / citadel.git / blobdiff