X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fmodules%2Fnetwork%2Fserv_network.c;h=a597a68bb93e6ebe6e1aa59ed8ac8a8331ad801e;hb=2807ad968981de0aae10473ee5fbd7a4c0d513bd;hp=f09775e85c22db100a1c48eefdc7e73b1248b8c3;hpb=9d612a26fc6d2af3f3ff8b8b79e376b8977affbf;p=citadel.git diff --git a/citadel/modules/network/serv_network.c b/citadel/modules/network/serv_network.c index f09775e85..a597a68bb 100644 --- a/citadel/modules/network/serv_network.c +++ b/citadel/modules/network/serv_network.c @@ -1,24 +1,16 @@ /* - * $Id$ - * * This module handles shared rooms, inter-Citadel mail, and outbound * mailing list processing. * - * Copyright (c) 2000-2010 by the citadel.org team - * - * This program is free 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. + * Copyright (c) 2000-2015 by the citadel.org team * - * 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 open source software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 3. * - * 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 @@ -57,6 +49,13 @@ # include # endif #endif +#ifdef HAVE_SYSCALL_H +# include +#else +# if HAVE_SYS_SYSCALL_H +# include +# endif +#endif #include #include @@ -73,22 +72,23 @@ #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 "ctdl_module.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; -/* Nonzero while we are doing network processing */ -static int doing_queue = 0; /* * When we do network processing, it's accomplished in two passes; one to @@ -97,2309 +97,461 @@ static int doing_queue = 0; */ struct RoomProcList *rplist = NULL; -/* - * We build a map of network nodes during processing. - */ -NetMap *the_netmap = NULL; -int netmap_changed = 0; -char *working_ignetcfg = NULL; /* - * Load or refresh the Citadel network (IGnet) configuration for this node. + * 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. */ -void load_working_ignetcfg(void) { - char *cfg; - char *oldcfg; +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; - cfg = CtdlGetSysConfig(IGNETCFG); - if (cfg == NULL) { - cfg = strdup(""); + /* 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; } - oldcfg = working_ignetcfg; - working_ignetcfg = cfg; - if (oldcfg != NULL) { - free(oldcfg); + 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(); -/* - * Keep track of what messages to reject - */ -FilterList *load_filter_list(void) { - char *serialized_list = NULL; - int i; - char buf[SIZ]; - FilterList *newlist = NULL; - FilterList *nptr; - - serialized_list = CtdlGetSysConfig(FILTERLIST); - if (serialized_list == NULL) return(NULL); /* if null, no entries */ - - /* Use the string tokenizer to grab one line at a time */ - for (i=0; ifl_user, buf, 0, '|', sizeof nptr->fl_user); - striplt(nptr->fl_user); - extract_token(nptr->fl_room, buf, 1, '|', sizeof nptr->fl_room); - striplt(nptr->fl_room); - extract_token(nptr->fl_node, buf, 2, '|', sizeof nptr->fl_node); - striplt(nptr->fl_node); - - /* Cowardly refuse to add an any/any/any entry that would - * end up filtering every single message. - */ - if (IsEmptyStr(nptr->fl_user) && - IsEmptyStr(nptr->fl_room) && - IsEmptyStr(nptr->fl_node)) { - free(nptr); - } - else { - nptr->next = newlist; - newlist = nptr; - } - } + /* Send ALL messages */ + num_spooled = CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, network_spool_msg, &sc); - free(serialized_list); - return newlist; -} + /* 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); -void free_filter_list(FilterList *fl) { - if (fl == NULL) return; - free_filter_list(fl->next); - free(fl); + QN_syslog(LOG_NOTICE, "Synchronized %d messages to <%s>\n", + num_spooled, target_node); + return(num_spooled); } - /* - * 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. + * Implements the NSYN command */ -int network_usetable(struct CtdlMessage *msg) { +void cmd_nsyn(char *argbuf) { + int num_spooled; + long len; + char target_node[256]; - char msgid[SIZ]; - struct cdbdata *cdbut; - struct UseTable ut; + if (CtdlAccessCheck(ac_aide)) return; - /* Bail out if we can't generate a message ID */ - if (msg == NULL) { - return(0); - } - if (msg->cm_fields['I'] == NULL) { - return(0); + 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); } - if (IsEmptyStr(msg->cm_fields['I'])) { - return(0); + else { + cprintf("%d No such room/node share exists.\n", + ERROR + ROOM_NOT_FOUND); } +} - /* 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); - } - } +RoomProcList *CreateRoomProcListEntry(struct ctdlroom *qrbuf, OneRoomNetCfg *OneRNCFG) +{ + int i; + struct RoomProcList *ptr; - cdbut = cdb_fetch(CDB_USETABLE, msgid, strlen(msgid)); - if (cdbut != NULL) { - cdb_free(cdbut); - CtdlLogPrintf(CTDL_DEBUG, "network_usetable() : we already have %s\n", msgid); - return(1); - } + ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList)); + if (ptr == NULL) return NULL; - /* 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); -} + ptr->namelen = strlen(qrbuf->QRname); + if (ptr->namelen > ROOMNAMELEN) + ptr->namelen = ROOMNAMELEN - 1; + memcpy (ptr->name, qrbuf->QRname, ptr->namelen); + ptr->name[ptr->namelen] = '\0'; + ptr->QRNum = qrbuf->QRnumber; -/* - * Read the network map from its configuration file into memory. - */ -void read_network_map(void) { - char *serialized_map = NULL; - int i; - char buf[SIZ]; - NetMap *nmptr; - - serialized_map = CtdlGetSysConfig(IGNETMAP); - if (serialized_map == NULL) return; /* if null, no entries */ - - /* Use the string tokenizer to grab one line at a time */ - for (i=0; inodename, buf, 0, '|', sizeof nmptr->nodename); - nmptr->lastcontact = extract_long(buf, 1); - extract_token(nmptr->nexthop, buf, 2, '|', sizeof nmptr->nexthop); - nmptr->next = the_netmap; - the_netmap = nmptr; + for (i = 0; i < ptr->namelen; i++) + { + ptr->lcname[i] = tolower(ptr->name[i]); } - free(serialized_map); - netmap_changed = 0; + ptr->lcname[ptr->namelen] = '\0'; + ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345); + ptr->lastsent = OneRNCFG->lastsent; + ptr->OneRNCfg = OneRNCFG; + return ptr; } - /* - * Write the network map from memory back to the configuration file. + * Batch up and send all outbound traffic from the current room */ -void write_network_map(void) { - char *serialized_map = NULL; - NetMap *nmptr; - +void network_queue_interesting_rooms(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCfg) +{ + struct RoomProcList *ptr; + roomlists *RP = (roomlists*) data; - if (netmap_changed) { - serialized_map = strdup(""); - - if (the_netmap != NULL) { - for (nmptr = the_netmap; nmptr != NULL; nmptr = nmptr->next) { - serialized_map = realloc(serialized_map, - (strlen(serialized_map)+SIZ) ); - if (!IsEmptyStr(nmptr->nodename)) { - snprintf(&serialized_map[strlen(serialized_map)], - SIZ, - "%s|%ld|%s\n", - nmptr->nodename, - (long)nmptr->lastcontact, - nmptr->nexthop); - } - } - } + if (!HaveSpoolConfig(OneRNCfg)) + return; - CtdlPutSysConfig(IGNETMAP, serialized_map); - free(serialized_map); - } + ptr = CreateRoomProcListEntry(qrbuf, OneRNCfg); - /* Now free the list */ - while (the_netmap != NULL) { - nmptr = the_netmap->next; - free(the_netmap); - the_netmap = nmptr; + if (ptr != NULL) + { + ptr->next = RP->rplist; + RP->rplist = ptr; } - netmap_changed = 0; } - - -/* - * Check the network map and determine whether the supplied node name is - * valid. If it is not a neighbor node, supply the name of a neighbor node - * which is the next hop. If it *is* a neighbor node, we also fill in the - * shared secret. +/* + * Batch up and send all outbound traffic from the current room */ -int is_valid_node(char *nexthop, char *secret, char *node) { - int i; - char linebuf[SIZ]; - char buf[SIZ]; - int retval; - NetMap *nmptr; - - if (node == NULL) { - return(-1); - } - - /* - * First try the neighbor nodes - */ - if (working_ignetcfg == NULL) { - CtdlLogPrintf(CTDL_ERR, "working_ignetcfg is NULL!\n"); - if (nexthop != NULL) { - strcpy(nexthop, ""); - } - return(-1); - } +int network_room_handler (struct ctdlroom *qrbuf) +{ + struct RoomProcList *ptr; + OneRoomNetCfg* RNCfg; - retval = (-1); - if (nexthop != NULL) { - strcpy(nexthop, ""); - } + if (qrbuf->QRdefaultview == VIEW_QUEUE) + return 1; - /* Use the string tokenizer to grab one line at a time */ - for (i=0; iQRnumber); + if (RNCfg == NULL) + return 1; - if (retval == 0) { - return(retval); /* yup, it's a direct neighbor */ - } + if (!HaveSpoolConfig(RNCfg)) + return 1; - /* - * If we get to this point we have to see if we know the next hop - */ - if (the_netmap != NULL) { - for (nmptr = the_netmap; nmptr != NULL; nmptr = nmptr->next) { - if (!strcasecmp(nmptr->nodename, node)) { - if (nexthop != NULL) { - strcpy(nexthop, nmptr->nexthop); - } - return(0); - } - } - } + ptr = CreateRoomProcListEntry(qrbuf, RNCfg); + if (ptr == NULL) + return 1; - /* - * If we get to this point, the supplied node name is bogus. - */ - CtdlLogPrintf(CTDL_ERR, "Invalid node name <%s>\n", node); - return(-1); + ptr->OneRNCfg = NULL; + begin_critical_section(S_RPLIST); + ptr->next = rplist; + rplist = ptr; + end_critical_section(S_RPLIST); + return 1; } +void destroy_network_queue_room(RoomProcList *rplist) +{ + struct RoomProcList *cur, *p; - - - -void cmd_gnet(char *argbuf) { - char filename[PATH_MAX]; - char buf[SIZ]; - FILE *fp; - - if ( (CC->room.QRflags & QR_MAILBOX) && (CC->user.usernum == atol(CC->room.QRname)) ) { - /* users can edit the netconfigs for their own mailbox rooms */ - } - else if (CtdlAccessCheck(ac_room_aide)) return; - - assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir); - cprintf("%d Network settings for room #%ld <%s>\n", - LISTING_FOLLOWS, - CC->room.QRnumber, CC->room.QRname); - - fp = fopen(filename, "r"); - if (fp != NULL) { - while (fgets(buf, sizeof buf, fp) != NULL) { - buf[strlen(buf)-1] = 0; - cprintf("%s\n", buf); - } - fclose(fp); + cur = rplist; + while (cur != NULL) + { + p = cur->next; + free (cur); + cur = p; } - - cprintf("000\n"); } - -void cmd_snet(char *argbuf) { - char tempfilename[PATH_MAX]; - char filename[PATH_MAX]; - char buf[SIZ]; - FILE *fp, *newfp; - - unbuffer_output(); - - if ( (CC->room.QRflags & QR_MAILBOX) && (CC->user.usernum == atol(CC->room.QRname)) ) { - /* users can edit the netconfigs for their own mailbox rooms */ - } - else if (CtdlAccessCheck(ac_room_aide)) return; - - CtdlMakeTempFileName(tempfilename, sizeof tempfilename); - assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir); - - fp = fopen(tempfilename, "w"); - if (fp == NULL) { - cprintf("%d Cannot open %s: %s\n", - ERROR + INTERNAL_ERROR, - tempfilename, - strerror(errno)); - } - - cprintf("%d %s\n", SEND_LISTING, tempfilename); - while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) { - fprintf(fp, "%s\n", buf); - } - fclose(fp); - - /* Now copy the temp file to its permanent location. - * (We copy instead of link because they may be on different filesystems) - */ - begin_critical_section(S_NETCONFIGS); - fp = fopen(tempfilename, "r"); - if (fp != NULL) { - newfp = fopen(filename, "w"); - if (newfp != NULL) { - while (fgets(buf, sizeof buf, fp) != NULL) { - fprintf(newfp, "%s", buf); - } - fclose(newfp); - } - fclose(fp); - } - end_critical_section(S_NETCONFIGS); - unlink(tempfilename); +void destroy_network_queue_room_locked (void) +{ + begin_critical_section(S_RPLIST); + destroy_network_queue_room(rplist); + end_critical_section(S_RPLIST); } /* - * Deliver digest messages + * network_do_queue() + * + * Run through the rooms doing various types of network stuff. */ -void network_deliver_digest(SpoolControl *sc) { - char buf[SIZ]; - int i; - struct CtdlMessage *msg = NULL; - long msglen; - char *recps = NULL; - size_t recps_len = SIZ; - size_t siz; - struct recptypes *valid; - namelist *nptr; - char bounce_to[256]; - - if (sc->num_msgs_spooled < 1) { - fclose(sc->digestfp); - sc->digestfp = NULL; - return; - } - - msg = malloc(sizeof(struct CtdlMessage)); - memset(msg, 0, sizeof(struct CtdlMessage)); - msg->cm_magic = CTDLMESSAGE_MAGIC; - msg->cm_format_type = FMT_RFC822; - msg->cm_anon_type = MES_NORMAL; - - sprintf(buf, "%ld", time(NULL)); - msg->cm_fields['T'] = strdup(buf); - msg->cm_fields['A'] = strdup(CC->room.QRname); - snprintf(buf, sizeof buf, "[%s]", CC->room.QRname); - msg->cm_fields['U'] = strdup(buf); - sprintf(buf, "room_%s@%s", CC->room.QRname, config.c_fqdn); - for (i=0; buf[i]; ++i) { - if (isspace(buf[i])) buf[i]='_'; - buf[i] = tolower(buf[i]); - } - msg->cm_fields['F'] = strdup(buf); - msg->cm_fields['R'] = strdup(buf); - - /* Set the 'List-ID' header */ - msg->cm_fields['L'] = malloc(1024); - snprintf(msg->cm_fields['L'], 1024, - "%s <%ld.list-id.%s>", - CC->room.QRname, - CC->room.QRnumber, - config.c_fqdn - ); +void network_do_queue(void) +{ + struct CitContext *CCC = CC; + 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; /* - * Go fetch the contents of the digest + * Run the full set of processing tasks no more frequently + * than once every n seconds */ - fseek(sc->digestfp, 0L, SEEK_END); - msglen = ftell(sc->digestfp); - - msg->cm_fields['M'] = malloc(msglen + 1); - fseek(sc->digestfp, 0L, SEEK_SET); - siz = fread(msg->cm_fields['M'], (size_t)msglen, 1, sc->digestfp); - msg->cm_fields['M'][msglen] = '\0'; + if ( (time(NULL) - last_run) < CtdlGetConfigLong("c_net_freq") ) + { + full_processing = 0; + syslog(LOG_DEBUG, "Network full processing in %ld seconds.\n", + CtdlGetConfigLong("c_net_freq") - (time(NULL)- last_run) + ); + } - fclose(sc->digestfp); - sc->digestfp = NULL; + 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? + /* Load the IGnet Configuration into memory */ + working_ignetcfg = CtdlLoadIgNetCfg(); - /* Now generate the delivery instructions */ + /* + * Load the network map and filter list into memory. + */ + if (!server_shutting_down) + the_netmap = CtdlReadNetworkMap(); +#if 0 + /* filterlist isn't supported anymore + if (!server_shutting_down) + load_network_filter_list(); + */ +#endif /* - * Figure out how big a buffer we need to allocate + * Go ahead and run the queue */ - for (nptr = sc->digestrecps; nptr != NULL; nptr = nptr->next) { - recps_len = recps_len + strlen(nptr->name) + 2; + if (full_processing && !server_shutting_down) { + QNM_syslog(LOG_DEBUG, "network: loading outbound queue"); + CtdlForEachNetCfgRoom(network_queue_interesting_rooms, &RL, maxRoomNetCfg); } - - recps = malloc(recps_len); - if (recps == NULL) { - CtdlLogPrintf(CTDL_EMERG, "Cannot allocate %ld bytes for recps...\n", (long)recps_len); - abort(); - } - - strcpy(recps, ""); + if ((RL.rplist != NULL) && (!server_shutting_down)) { + RoomProcList *ptr, *cmp; + ptr = RL.rplist; + QNM_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) && + (cmp->namelen == ptr->namelen) && + (strcmp(cmp->lcname, ptr->lcname) == 0)) + { + cmp->namelen = 0; + } + cmp = cmp->next; + } - /* Each recipient */ - for (nptr = sc->digestrecps; nptr != NULL; nptr = nptr->next) { - if (nptr != sc->digestrecps) { - strcat(recps, ","); + if (ptr->namelen > 0) { + InspectQueuedRoom(&sc, + ptr, + working_ignetcfg, + the_netmap); + } + ptr = ptr->next; } - strcat(recps, nptr->name); } - /* Where do we want bounces and other noise to be heard? Surely not the list members! */ - snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn); - /* Now submit the message */ - valid = validate_recipients(recps, NULL, 0); - free(recps); - if (valid != NULL) { - valid->bounce_to = strdup(bounce_to); - valid->envelope_from = strdup(bounce_to); - CtdlSubmitMsg(msg, valid, NULL, 0); + pSC = sc; + while (pSC != NULL) + { + network_spoolout_room(pSC); + pSC = pSC->next; } - CtdlFreeMessage(msg); - free_recipients(valid); -} + pSC = sc; + while (pSC != NULL) + { + sc = pSC->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); + } -/* - * Deliver list messages to everyone on the list ... efficiently - */ -void network_deliver_list(struct CtdlMessage *msg, SpoolControl *sc) { - char *recps = NULL; - size_t recps_len = SIZ; - struct recptypes *valid; - namelist *nptr; - char bounce_to[256]; - - /* Don't do this if there were no recipients! */ - if (sc->listrecps == NULL) return; - - /* Now generate the delivery instructions */ + /* Free the filter list in memory */ + free_netfilter_list(); - /* - * Figure out how big a buffer we need to allocate - */ - for (nptr = sc->listrecps; nptr != NULL; nptr = nptr->next) { - recps_len = recps_len + strlen(nptr->name) + 2; + /* Save the network map back to disk */ + if (netmap_changed) { + StrBuf *MapStr = CtdlSerializeNetworkMap(the_netmap); + char *pMapStr = SmashStrBuf(&MapStr); + CtdlPutSysConfig(IGNETMAP, pMapStr); + free(pMapStr); } - - recps = malloc(recps_len); - if (recps == NULL) { - CtdlLogPrintf(CTDL_EMERG, "Cannot allocate %ld bytes for recps...\n", (long)recps_len); - abort(); - } + /* combine singe message files into one spool entry per remote node. */ + network_consolidate_spoolout(working_ignetcfg, the_netmap); - strcpy(recps, ""); + /* shut down. */ - /* Each recipient */ - for (nptr = sc->listrecps; nptr != NULL; nptr = nptr->next) { - if (nptr != sc->listrecps) { - strcat(recps, ","); - } - strcat(recps, nptr->name); - } + DeleteHash(&the_netmap); - /* Where do we want bounces and other noise to be heard? Surely not the list members! */ - snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn); - - /* Now submit the message */ - valid = validate_recipients(recps, NULL, 0); - free(recps); - if (valid != NULL) { - valid->bounce_to = strdup(bounce_to); - valid->envelope_from = strdup(bounce_to); - CtdlSubmitMsg(msg, valid, NULL, 0); - free_recipients(valid); - } - /* Do not call CtdlFreeMessage(msg) here; the caller will free it. */ -} + DeleteHash(&working_ignetcfg); + QNM_syslog(LOG_DEBUG, "network: queue run completed"); + if (full_processing) { + last_run = time(NULL); + } + destroy_network_queue_room(RL.rplist); + // SaveChangedConfigs(); // FIXME FOOFOO SAVE CHANGED THIS AACACACACCKK +} -/* - * Spools out one message from the list. - */ -void network_spool_msg(long msgnum, void *userdata) { - SpoolControl *sc; - int i; - char *newpath = NULL; - size_t instr_len = SIZ; - struct CtdlMessage *msg = NULL; - namelist *nptr; - maplist *mptr; - struct ser_ret sermsg; - FILE *fp; - char filename[PATH_MAX]; - char buf[SIZ]; - int bang = 0; - int send = 1; - int delete_after_send = 0; /* Set to 1 to delete after spooling */ - int ok_to_participate = 0; - struct recptypes *valid; - - sc = (SpoolControl *)userdata; - /* - * Process mailing list recipients - */ - instr_len = SIZ; - if (sc->listrecps != NULL) { - /* Fetch the message. We're going to need to modify it - * in order to insert the [list name] in it, etc. - */ - msg = CtdlFetchMessage(msgnum, 1); - if (msg != NULL) { - - /* Set the 'List-ID' header */ - if (msg->cm_fields['L'] != NULL) { - free(msg->cm_fields['L']); - } - msg->cm_fields['L'] = malloc(1024); - snprintf(msg->cm_fields['L'], 1024, - "%s <%ld.list-id.%s>", - CC->room.QRname, - CC->room.QRnumber, - config.c_fqdn - ); - - /* Prepend "[List name]" to the subject */ - if (msg->cm_fields['U'] == NULL) { - msg->cm_fields['U'] = strdup("(no subject)"); - } - snprintf(buf, sizeof buf, "[%s] %s", CC->room.QRname, msg->cm_fields['U']); - free(msg->cm_fields['U']); - msg->cm_fields['U'] = strdup(buf); - - /* Set the recipient of the list message to the - * email address of the room itself. - * FIXME ... I want to be able to pick any address - */ - if (msg->cm_fields['R'] != NULL) { - free(msg->cm_fields['R']); - } - msg->cm_fields['R'] = malloc(256); - snprintf(msg->cm_fields['R'], 256, - "room_%s@%s", CC->room.QRname, - config.c_fqdn); - for (i=0; msg->cm_fields['R'][i]; ++i) { - if (isspace(msg->cm_fields['R'][i])) { - msg->cm_fields['R'][i] = '_'; - } - } - /* Handle delivery */ - network_deliver_list(msg, sc); - CtdlFreeMessage(msg); - } - } - /* - * Process digest recipients - */ - if ((sc->digestrecps != NULL) && (sc->digestfp != NULL)) { - msg = CtdlFetchMessage(msgnum, 1); - if (msg != NULL) { - fprintf(sc->digestfp, " -----------------------------------" - "------------------------------------" - "-------\n"); - fprintf(sc->digestfp, "From: "); - if (msg->cm_fields['A'] != NULL) { - fprintf(sc->digestfp, "%s ", msg->cm_fields['A']); - } - if (msg->cm_fields['F'] != NULL) { - fprintf(sc->digestfp, "<%s> ", msg->cm_fields['F']); - } - else if (msg->cm_fields['N'] != NULL) { - fprintf(sc->digestfp, "@%s ", msg->cm_fields['N']); - } - fprintf(sc->digestfp, "\n"); - if (msg->cm_fields['U'] != NULL) { - fprintf(sc->digestfp, "Subject: %s\n", msg->cm_fields['U']); - } - CC->redirect_buffer = NewStrBufPlain(NULL, SIZ); - - safestrncpy(CC->preferred_formats, "text/plain", sizeof CC->preferred_formats); - CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0); - StrBufTrim(CC->redirect_buffer); - fwrite(HKEY("\n"), 1, sc->digestfp); - fwrite(SKEY(CC->redirect_buffer), 1, sc->digestfp); - fwrite(HKEY("\n"), 1, sc->digestfp); - FreeStrBuf(&CC->redirect_buffer); - sc->num_msgs_spooled += 1; - free(msg); - } - } +void network_logout_hook(void) +{ + CitContext *CCC = MyContext(); /* - * Process client-side list participations for this room + * If we were talking to a network node, we're not anymore... */ - instr_len = SIZ; - if (sc->participates != NULL) { - msg = CtdlFetchMessage(msgnum, 1); - if (msg != NULL) { - - /* Only send messages which originated on our own Citadel - * network, otherwise we'll end up sending the remote - * mailing list's messages back to it, which is rude... - */ - ok_to_participate = 0; - if (msg->cm_fields['N'] != NULL) { - if (!strcasecmp(msg->cm_fields['N'], config.c_nodename)) { - ok_to_participate = 1; - } - if (is_valid_node(NULL, NULL, msg->cm_fields['N']) == 0) { - ok_to_participate = 1; - } - } - if (ok_to_participate) { - if (msg->cm_fields['F'] != NULL) { - free(msg->cm_fields['F']); - } - msg->cm_fields['F'] = malloc(SIZ); - /* Replace the Internet email address of the actual - * author with the email address of the room itself, - * so the remote listserv doesn't reject us. - * FIXME ... I want to be able to pick any address - */ - snprintf(msg->cm_fields['F'], SIZ, - "room_%s@%s", CC->room.QRname, - config.c_fqdn); - for (i=0; msg->cm_fields['F'][i]; ++i) { - if (isspace(msg->cm_fields['F'][i])) { - msg->cm_fields['F'][i] = '_'; - } - } + 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'; + } +} - /* - * Figure out how big a buffer we need to allocate - */ - for (nptr = sc->participates; nptr != NULL; nptr = nptr->next) { - if (msg->cm_fields['R'] == NULL) { - free(msg->cm_fields['R']); +int ignet_aftersave(struct CtdlMessage *msg, + recptypes *recps) /* recipients (if mail) */ +{ + /* For IGnet mail, we have to save a new copy into the spooler for + * each recipient, with the R and D fields set to the recipient and + * destination-node. This has two ugly side effects: all other + * recipients end up being unlisted in this recipient's copy of the + * message, and it has to deliver multiple messages to the same + * node. We'll revisit this again in a year or so when everyone has + * a network spool receiver that can handle the new style messages. + */ + if ((recps != NULL) && (recps->num_ignet > 0)) + { + char *recipient; + int rv = 0; + struct ser_ret smr; + FILE *network_fp = NULL; + char submit_filename[128]; + static int seqnum = 1; + int i; + char *hold_R, *hold_D, *RBuf, *DBuf; + long hrlen, hdlen, rblen, dblen, count, rlen; + CitContext *CCC = MyContext(); + + CM_GetAsField(msg, eRecipient, &hold_R, &hrlen);; + CM_GetAsField(msg, eDestination, &hold_D, &hdlen);; + + count = num_tokens(recps->recp_ignet, '|'); + rlen = strlen(recps->recp_ignet); + recipient = malloc(rlen + 1); + RBuf = malloc(rlen + 1); + DBuf = malloc(rlen + 1); + for (i=0; irecp_ignet, i, + '|', rlen + 1); + + rblen = extract_token(RBuf, recipient, 0, '@', rlen + 1); + dblen = extract_token(DBuf, recipient, 1, '@', rlen + 1); + + CM_SetAsField(msg, eRecipient, &RBuf, rblen);; + CM_SetAsField(msg, eDestination, &DBuf, dblen);; + CtdlSerializeMessage(&smr, msg); + if (smr.len > 0) { + snprintf(submit_filename, sizeof submit_filename, + "%s/netmail.%04lx.%04x.%04x", + ctdl_netin_dir, + (long) getpid(), + CCC->cs_pid, + ++seqnum); + + network_fp = fopen(submit_filename, "wb+"); + if (network_fp != NULL) { + rv = fwrite(smr.ser, smr.len, 1, network_fp); + if (rv == -1) { + MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n", + strerror(errno)); } - msg->cm_fields['R'] = strdup(nptr->name); - - valid = validate_recipients(nptr->name, NULL, 0); - CtdlSubmitMsg(msg, valid, "", 0); - free_recipients(valid); + fclose(network_fp); } - + free(smr.ser); } - CtdlFreeMessage(msg); + CM_GetAsField(msg, eRecipient, &RBuf, &rblen);; + CM_GetAsField(msg, eDestination, &DBuf, &dblen);; } + free(RBuf); + free(DBuf); + free(recipient); + CM_SetAsField(msg, eRecipient, &hold_R, hrlen); + CM_SetAsField(msg, eDestination, &hold_D, hdlen); + return 1; } - - /* - * Process IGnet push shares - */ - msg = CtdlFetchMessage(msgnum, 1); - if (msg != NULL) { - size_t newpath_len; - - /* Prepend our node name to the Path field whenever - * sending a message to another IGnet node - */ - if (msg->cm_fields['P'] == NULL) { - msg->cm_fields['P'] = strdup("username"); - } - newpath_len = strlen(msg->cm_fields['P']) + - strlen(config.c_nodename) + 2; - newpath = malloc(newpath_len); - snprintf(newpath, newpath_len, "%s!%s", - config.c_nodename, msg->cm_fields['P']); - free(msg->cm_fields['P']); - msg->cm_fields['P'] = newpath; - - /* - * Determine if this message is set to be deleted - * after sending out on the network - */ - if (msg->cm_fields['S'] != NULL) { - if (!strcasecmp(msg->cm_fields['S'], "CANCEL")) { - delete_after_send = 1; - } - } + return 0; +} - /* Now send it to every node */ - if (sc->ignet_push_shares != NULL) - for (mptr = sc->ignet_push_shares; mptr != NULL; - mptr = mptr->next) { +/* + * Module entry point + */ - send = 1; +void SetNetQDebugEnabled(const int n) +{ + NetQDebugEnabled = n; +} - /* Check for valid node name */ - if (is_valid_node(NULL, NULL, mptr->remote_nodename) != 0) { - CtdlLogPrintf(CTDL_ERR, "Invalid node <%s>\n", mptr->remote_nodename); - send = 0; - } +CTDL_MODULE_INIT(network) +{ + if (!threading) + { + CtdlRegisterMessageHook(ignet_aftersave, EVT_AFTERSAVE); - /* Check for split horizon */ - CtdlLogPrintf(CTDL_DEBUG, "Path is %s\n", msg->cm_fields['P']); - bang = num_tokens(msg->cm_fields['P'], '!'); - if (bang > 1) for (i=0; i<(bang-1); ++i) { - extract_token(buf, msg->cm_fields['P'], i, '!', sizeof buf); - CtdlLogPrintf(CTDL_DEBUG, "Compare <%s> to <%s>\n", - buf, mptr->remote_nodename) ; - if (!strcasecmp(buf, mptr->remote_nodename)) { - send = 0; - CtdlLogPrintf(CTDL_DEBUG, "Not sending to %s\n", - mptr->remote_nodename); - } - else { - CtdlLogPrintf(CTDL_DEBUG, "Sending to %s\n", mptr->remote_nodename); - } - } - - /* Send the message */ - if (send == 1) { - - /* - * Force the message to appear in the correct room - * on the far end by setting the C field correctly - */ - if (msg->cm_fields['C'] != NULL) { - free(msg->cm_fields['C']); - } - if (!IsEmptyStr(mptr->remote_roomname)) { - msg->cm_fields['C'] = strdup(mptr->remote_roomname); - } - else { - msg->cm_fields['C'] = strdup(CC->room.QRname); - } - - /* serialize it for transmission */ - serialize_message(&sermsg, msg); - if (sermsg.len > 0) { - - /* write it to a spool file */ - snprintf(filename, sizeof filename,"%s/%s@%lx%x", - ctdl_netout_dir, - mptr->remote_nodename, - time(NULL), - rand() - ); - CtdlLogPrintf(CTDL_DEBUG, "Appending to %s\n", filename); - fp = fopen(filename, "ab"); - if (fp != NULL) { - fwrite(sermsg.ser, - sermsg.len, 1, fp); - fclose(fp); - } - else { - CtdlLogPrintf(CTDL_ERR, "%s: %s\n", filename, strerror(errno)); - } - - /* free the serialized version */ - free(sermsg.ser); - } - - } - } - CtdlFreeMessage(msg); - } - - /* update lastsent */ - sc->lastsent = msgnum; - - /* Delete this message if delete-after-send is set */ - if (delete_after_send) { - CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, ""); - } - -} - - -int read_spoolcontrol_file(SpoolControl **scc, char *filename) -{ - FILE *fp; - char instr[SIZ]; - char buf[SIZ]; - char nodename[256]; - char roomname[ROOMNAMELEN]; - size_t miscsize = 0; - size_t linesize = 0; - int skipthisline = 0; - namelist *nptr = NULL; - maplist *mptr = NULL; - SpoolControl *sc; - - fp = fopen(filename, "r"); - if (fp == NULL) { - return 0; - } - sc = malloc(sizeof(SpoolControl)); - memset(sc, 0, sizeof(SpoolControl)); - *scc = sc; - - while (fgets(buf, sizeof buf, fp) != NULL) { - buf[strlen(buf)-1] = 0; - - extract_token(instr, buf, 0, '|', sizeof instr); - if (!strcasecmp(instr, strof(lastsent))) { - sc->lastsent = extract_long(buf, 1); - } - else if (!strcasecmp(instr, strof(listrecp))) { - nptr = (namelist *) - malloc(sizeof(namelist)); - nptr->next = sc->listrecps; - extract_token(nptr->name, buf, 1, '|', sizeof nptr->name); - sc->listrecps = nptr; - } - else if (!strcasecmp(instr, strof(participate))) { - nptr = (namelist *) - malloc(sizeof(namelist)); - nptr->next = sc->participates; - extract_token(nptr->name, buf, 1, '|', sizeof nptr->name); - sc->participates = nptr; - } - else if (!strcasecmp(instr, strof(digestrecp))) { - nptr = (namelist *) - malloc(sizeof(namelist)); - nptr->next = sc->digestrecps; - extract_token(nptr->name, buf, 1, '|', sizeof nptr->name); - sc->digestrecps = nptr; - } - else if (!strcasecmp(instr, strof(ignet_push_share))) { - extract_token(nodename, buf, 1, '|', sizeof nodename); - extract_token(roomname, buf, 2, '|', sizeof roomname); - mptr = (maplist *) malloc(sizeof(maplist)); - mptr->next = sc->ignet_push_shares; - strcpy(mptr->remote_nodename, nodename); - strcpy(mptr->remote_roomname, roomname); - sc->ignet_push_shares = mptr; - } - else { - /* Preserve 'other' lines ... *unless* they happen to - * be subscribe/unsubscribe pendings with expired - * timestamps. - */ - skipthisline = 0; - if (!strncasecmp(buf, strof(subpending)"|", 11)) { - if (time(NULL) - extract_long(buf, 4) > EXP) { - skipthisline = 1; - } - } - if (!strncasecmp(buf, strof(unsubpending)"|", 13)) { - if (time(NULL) - extract_long(buf, 3) > EXP) { - skipthisline = 1; - } - } - - if (skipthisline == 0) { - linesize = strlen(buf); - sc->misc = realloc(sc->misc, - (miscsize + linesize + 2) ); - sprintf(&sc->misc[miscsize], "%s\n", buf); - miscsize = miscsize + linesize + 1; - } - } - - - } - fclose(fp); - return 1; -} - -void free_spoolcontrol_struct(SpoolControl **scc) -{ - SpoolControl *sc; - namelist *nptr = NULL; - maplist *mptr = NULL; - - sc = *scc; - while (sc->listrecps != NULL) { - nptr = sc->listrecps->next; - free(sc->listrecps); - sc->listrecps = nptr; - } - /* Do the same for digestrecps */ - while (sc->digestrecps != NULL) { - nptr = sc->digestrecps->next; - free(sc->digestrecps); - sc->digestrecps = nptr; - } - /* Do the same for participates */ - while (sc->participates != NULL) { - nptr = sc->participates->next; - free(sc->participates); - sc->participates = nptr; - } - while (sc->ignet_push_shares != NULL) { - mptr = sc->ignet_push_shares->next; - free(sc->ignet_push_shares); - sc->ignet_push_shares = mptr; - } - free(sc->misc); - free(sc); - *scc=NULL; -} - -int writenfree_spoolcontrol_file(SpoolControl **scc, char *filename) -{ - FILE *fp; - SpoolControl *sc; - namelist *nptr = NULL; - maplist *mptr = NULL; - - sc = *scc; - fp = fopen(filename, "w"); - if (fp == NULL) { - CtdlLogPrintf(CTDL_CRIT, "ERROR: cannot open %s: %s\n", - filename, strerror(errno)); - free_spoolcontrol_struct(scc); - } - else { - fprintf(fp, "lastsent|%ld\n", sc->lastsent); - - /* Write out the listrecps while freeing from memory at the - * same time. Am I clever or what? :) - */ - while (sc->listrecps != NULL) { - fprintf(fp, "listrecp|%s\n", sc->listrecps->name); - nptr = sc->listrecps->next; - free(sc->listrecps); - sc->listrecps = nptr; - } - /* Do the same for digestrecps */ - while (sc->digestrecps != NULL) { - fprintf(fp, "digestrecp|%s\n", sc->digestrecps->name); - nptr = sc->digestrecps->next; - free(sc->digestrecps); - sc->digestrecps = nptr; - } - /* Do the same for participates */ - while (sc->participates != NULL) { - fprintf(fp, "participate|%s\n", sc->participates->name); - nptr = sc->participates->next; - free(sc->participates); - sc->participates = nptr; - } - while (sc->ignet_push_shares != NULL) { - fprintf(fp, "ignet_push_share|%s", sc->ignet_push_shares->remote_nodename); - if (!IsEmptyStr(sc->ignet_push_shares->remote_roomname)) { - fprintf(fp, "|%s", sc->ignet_push_shares->remote_roomname); - } - fprintf(fp, "\n"); - mptr = sc->ignet_push_shares->next; - free(sc->ignet_push_shares); - sc->ignet_push_shares = mptr; - } - if (sc->misc != NULL) { - fwrite(sc->misc, strlen(sc->misc), 1, fp); - } - free(sc->misc); - - fclose(fp); - free(sc); - *scc=NULL; - } - return 1; -} -int is_recipient(SpoolControl *sc, const char *Name) -{ - namelist *nptr; - size_t len; - - len = strlen(Name); - nptr = sc->listrecps; - while (nptr != NULL) { - if (strncmp(Name, nptr->name, len)==0) - return 1; - nptr = nptr->next; - } - /* Do the same for digestrecps */ - nptr = sc->digestrecps; - while (nptr != NULL) { - if (strncmp(Name, nptr->name, len)==0) - return 1; - nptr = nptr->next; - } - /* Do the same for participates */ - nptr = sc->participates; - while (nptr != NULL) { - if (strncmp(Name, nptr->name, len)==0) - return 1; - nptr = nptr->next; - } - return 0; -} - - -/* - * Batch up and send all outbound traffic from the current room - */ -void network_spoolout_room(char *room_to_spool) { - char buf[SIZ]; - char filename[PATH_MAX]; - SpoolControl *sc; - int i; - - /* - * If the room doesn't exist, don't try to perform its networking tasks. - * Normally this should never happen, but once in a while maybe a room gets - * queued for networking and then deleted before it can happen. - */ - if (CtdlGetRoom(&CC->room, room_to_spool) != 0) { - CtdlLogPrintf(CTDL_CRIT, "ERROR: cannot load <%s>\n", room_to_spool); - return; - } - - assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir); - begin_critical_section(S_NETCONFIGS); - - /* Only do net processing for rooms that have netconfigs */ - if (!read_spoolcontrol_file(&sc, filename)) - { - end_critical_section(S_NETCONFIGS); - return; - } - CtdlLogPrintf(CTDL_INFO, "Networking started for <%s>\n", CC->room.QRname); - - /* If there are digest recipients, we have to build a digest */ - if (sc->digestrecps != NULL) { - sc->digestfp = tmpfile(); - fprintf(sc->digestfp, "Content-type: text/plain\n\n"); - } - - /* Do something useful */ - CtdlForEachMessage(MSGS_GT, sc->lastsent, NULL, NULL, NULL, - network_spool_msg, sc); - - /* If we wrote a digest, deliver it and then close it */ - snprintf(buf, sizeof buf, "room_%s@%s", - CC->room.QRname, config.c_fqdn); - for (i=0; buf[i]; ++i) { - buf[i] = tolower(buf[i]); - if (isspace(buf[i])) buf[i] = '_'; - } - if (sc->digestfp != NULL) { - fprintf(sc->digestfp, " -----------------------------------" - "------------------------------------" - "-------\n" - "You are subscribed to the '%s' " - "list.\n" - "To post to the list: %s\n", - CC->room.QRname, buf - ); - network_deliver_digest(sc); /* deliver and close */ - } - - /* Now rewrite the config file */ - writenfree_spoolcontrol_file (&sc, filename); - end_critical_section(S_NETCONFIGS); -} - - - -/* - * 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); - } - } - 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); - - CtdlLogPrintf(CTDL_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); - } -} - - - -/* - * Batch up and send all outbound traffic from the current room - */ -void network_queue_room(struct ctdlroom *qrbuf, void *data) { - struct RoomProcList *ptr; - - ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList)); - if (ptr == NULL) return; - - safestrncpy(ptr->name, qrbuf->QRname, sizeof ptr->name); - begin_critical_section(S_RPLIST); - ptr->next = rplist; - rplist = ptr; - end_critical_section(S_RPLIST); -} - -void destroy_network_queue_room(void) -{ - struct RoomProcList *cur, *p; - NetMap *nmcur, *nmp; - - cur = rplist; - begin_critical_section(S_RPLIST); - while (cur != NULL) - { - p = cur->next; - free (cur); - cur = p; - } - rplist = NULL; - end_critical_section(S_RPLIST); - - nmcur = the_netmap; - while (nmcur != NULL) - { - nmp = nmcur->next; - free (nmcur); - nmcur = nmp; - } - the_netmap = NULL; - if (working_ignetcfg != NULL) - free (working_ignetcfg); - working_ignetcfg = NULL; -} - - -/* - * Learn topology from path fields - */ -void network_learn_topology(char *node, char *path) { - char nexthop[256]; - NetMap *nmptr; - - strcpy(nexthop, ""); - - if (num_tokens(path, '!') < 3) return; - for (nmptr = the_netmap; nmptr != NULL; nmptr = nmptr->next) { - if (!strcasecmp(nmptr->nodename, node)) { - extract_token(nmptr->nexthop, path, 0, '!', sizeof nmptr->nexthop); - nmptr->lastcontact = time(NULL); - ++netmap_changed; - return; - } - } - - /* If we got here then it's not in the map, so add it. */ - nmptr = (NetMap *) malloc(sizeof (NetMap)); - strcpy(nmptr->nodename, node); - nmptr->lastcontact = time(NULL); - extract_token(nmptr->nexthop, path, 0, '!', sizeof nmptr->nexthop); - nmptr->next = the_netmap; - the_netmap = nmptr; - ++netmap_changed; -} - - - - -/* - * 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; - - CtdlLogPrintf(CTDL_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); - CtdlLogPrintf(CTDL_DEBUG, "leaving network_bounce()\n"); -} - - - - -/* - * Process a buffer containing a single message from a single file - * from the inbound queue - */ -void network_process_buffer(char *buffer, long size) { - struct CtdlMessage *msg = NULL; - long pos; - int field; - struct recptypes *recp = NULL; - char target_room[ROOMNAMELEN]; - struct ser_ret sermsg; - char *oldpath = NULL; - char filename[PATH_MAX]; - FILE *fp; - char nexthop[SIZ]; - unsigned char firstbyte; - unsigned char lastbyte; - - CtdlLogPrintf(CTDL_DEBUG, "network_process_buffer() processing %ld bytes\n", 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) ) { - CtdlLogPrintf(CTDL_ERR, "Corrupt message ignored. Length=%ld, firstbyte = %d, lastbyte = %d\n", - size, firstbyte, lastbyte); - return; - } - - /* Set default target room to trash */ - strcpy(target_room, TWITROOM); - - /* Load the message into memory */ - msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage)); - memset(msg, 0, sizeof(struct CtdlMessage)); - msg->cm_magic = CTDLMESSAGE_MAGIC; - msg->cm_anon_type = buffer[1]; - msg->cm_format_type = buffer[2]; - - for (pos = 3; pos < size; ++pos) { - field = buffer[pos]; - msg->cm_fields[field] = strdup(&buffer[pos+1]); - pos = pos + strlen(&buffer[(int)pos]); - } - - /* Check for message routing */ - if (msg->cm_fields['D'] != NULL) { - if (strcasecmp(msg->cm_fields['D'], config.c_nodename)) { - - /* route the message */ - strcpy(nexthop, ""); - if (is_valid_node(nexthop, NULL, msg->cm_fields['D']) == 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); - - /* serialize the message */ - serialize_message(&sermsg, msg); - - /* now send it */ - if (IsEmptyStr(nexthop)) { - strcpy(nexthop, msg->cm_fields['D']); - } - snprintf(filename, - sizeof filename, - "%s/%s@%lx%x", - ctdl_netout_dir, - nexthop, - time(NULL), - rand() - ); - CtdlLogPrintf(CTDL_DEBUG, "Appending to %s\n", filename); - fp = fopen(filename, "ab"); - if (fp != NULL) { - fwrite(sermsg.ser, sermsg.len, 1, fp); - fclose(fp); - } - else { - CtdlLogPrintf(CTDL_ERR, "%s: %s\n", filename, strerror(errno)); - } - free(sermsg.ser); - CtdlFreeMessage(msg); - return; - } - - else { /* invalid destination node name */ - - 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; - - } - } - } - - /* - * Check to see if we already have a copy of this message, and - * abort its processing if so. (We used to post a warning to Aide> - * every time this happened, but the network is now so densely - * connected that it's inevitable.) - */ - if (network_usetable(msg) != 0) { - CtdlFreeMessage(msg); - return; - } - - /* Learn network topology from the path */ - if ((msg->cm_fields['N'] != NULL) && (msg->cm_fields['P'] != NULL)) { - network_learn_topology(msg->cm_fields['N'], msg->cm_fields['P']); - } - - /* 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); - } - - /* 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); - if (recp != NULL) if (recp->num_error != 0) { - 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); - CtdlLogPrintf(CTDL_DEBUG, "Bouncing message due to invalid recipient address.\n"); - 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. - */ - else if (msg->cm_fields['O'] != NULL) { - safestrncpy(target_room, msg->cm_fields['O'], 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; - } - - /* 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); - free_recipients(recp); -} - - -/* - * Process a single message from a single file from the inbound queue - */ -void network_process_message(FILE *fp, long msgstart, long msgend) { - long hold_pos; - long size; - char *buffer; - - hold_pos = ftell(fp); - size = msgend - msgstart + 1; - buffer = malloc(size); - if (buffer != NULL) { - fseek(fp, msgstart, SEEK_SET); - if (fread(buffer, size, 1, fp) > 0) { - network_process_buffer(buffer, size); - } - free(buffer); - } - - fseek(fp, hold_pos, SEEK_SET); -} - - -/* - * Process a single file from the inbound queue - */ -void network_process_file(char *filename) { - FILE *fp; - long msgstart = (-1L); - long msgend = (-1L); - long msgcur = 0L; - int ch; - - - fp = fopen(filename, "rb"); - if (fp == NULL) { - CtdlLogPrintf(CTDL_CRIT, "Error opening %s: %s\n", filename, strerror(errno)); - return; - } - - fseek(fp, 0L, SEEK_END); - CtdlLogPrintf(CTDL_INFO, "network: processing %ld bytes from %s\n", ftell(fp), filename); - rewind(fp); - - /* Look for messages in the data stream and break them out */ - while (ch = getc(fp), ch >= 0) { - - if (ch == 255) { - if (msgstart >= 0L) { - msgend = msgcur - 1; - network_process_message(fp, msgstart, msgend); - } - msgstart = msgcur; - } - - ++msgcur; - } - - msgend = msgcur - 1; - if (msgstart >= 0L) { - network_process_message(fp, msgstart, msgend); - } - - fclose(fp); - unlink(filename); -} - - -/* - * Process anything in the inbound queue - */ -void network_do_spoolin(void) { - DIR *dp; - struct dirent *d; - struct stat statbuf; - char filename[PATH_MAX]; - static time_t last_spoolin_mtime = 0L; - - /* - * Check the spoolin directory's modification time. If it hasn't - * been touched, we don't need to scan it. - */ - if (stat(ctdl_netin_dir, &statbuf)) return; - if (statbuf.st_mtime == last_spoolin_mtime) { - CtdlLogPrintf(CTDL_DEBUG, "network: nothing in inbound queue\n"); - return; - } - last_spoolin_mtime = statbuf.st_mtime; - CtdlLogPrintf(CTDL_DEBUG, "network: processing inbound queue\n"); - - /* - * Ok, there's something interesting in there, so scan it. - */ - dp = opendir(ctdl_netin_dir); - if (dp == NULL) return; - - while (d = readdir(dp), d != NULL) { - if ((strcmp(d->d_name, ".")) && (strcmp(d->d_name, ".."))) { - snprintf(filename, - sizeof filename, - "%s/%s", - ctdl_netin_dir, - d->d_name - ); - network_process_file(filename); - } - } - - closedir(dp); -} - -/* - * Step 1: consolidate files in the outbound queue into one file per neighbor node - * Step 2: delete any files in the outbound queue that were for neighbors who no longer exist. - */ -void network_consolidate_spoolout(void) { - DIR *dp; - struct dirent *d; - char filename[PATH_MAX]; - char cmd[PATH_MAX]; - char nexthop[256]; - int i; - char *ptr; - - /* Step 1: consolidate files in the outbound queue into one file per neighbor node */ - dp = opendir(ctdl_netout_dir); - if (dp == NULL) return; - while (d = readdir(dp), d != NULL) { - if ( - (strcmp(d->d_name, ".")) - && (strcmp(d->d_name, "..")) - && (strchr(d->d_name, '@') != NULL) - ) { - safestrncpy(nexthop, d->d_name, sizeof nexthop); - ptr = strchr(nexthop, '@'); - if (ptr) *ptr = 0; - - snprintf(filename, - sizeof filename, - "%s/%s", - ctdl_netout_dir, - d->d_name - ); - - CtdlLogPrintf(CTDL_DEBUG, "Consolidate %s to %s\n", filename, nexthop); - if (network_talking_to(nexthop, NTT_CHECK)) { - CtdlLogPrintf(CTDL_DEBUG, - "Currently online with %s - skipping for now\n", - nexthop - ); - } - else { - network_talking_to(nexthop, NTT_ADD); - snprintf(cmd, sizeof cmd, "/bin/cat %s >>%s/%s && /bin/rm -f %s", - filename, - ctdl_netout_dir, nexthop, - filename - ); - CtdlLogPrintf(CTDL_DEBUG, "\033[31m%s\033[0m\n", cmd); - system(cmd); - network_talking_to(nexthop, NTT_REMOVE); - } - } - } - closedir(dp); - - /* Step 2: delete any files in the outbound queue that were for neighbors who no longer exist */ - - dp = opendir(ctdl_netout_dir); - if (dp == NULL) return; - - while (d = readdir(dp), d != NULL) { - if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) - continue; - ptr = strchr(d->d_name, '@'); - if (d != NULL) - continue; - snprintf(filename, - sizeof filename, - "%s/%s", - ctdl_netout_dir, - d->d_name - ); - - strcpy(nexthop, ""); - i = is_valid_node(nexthop, NULL, d->d_name); - - if ( (i != 0) || !IsEmptyStr(nexthop) ) { - unlink(filename); - } - } - - - closedir(dp); -} - - -/* - * receive network spool from the remote system - */ -void receive_spool(int *sock, char *remote_nodename) { - long download_len = 0L; - long bytes_received = 0L; - char buf[SIZ]; - static char pbuf[IGNET_PACKET_SIZE]; - char tempfilename[PATH_MAX]; - char filename[PATH_MAX]; - long plen; - FILE *fp; - - snprintf(tempfilename, - sizeof tempfilename, - "%s/%s.%ld", - ctdl_nettmp_dir, - remote_nodename, - (long) getpid() - ); - if (sock_puts(sock, "NDOP") < 0) return; - if (sock_getln(sock, buf, sizeof buf) < 0) return; - CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf); - if (buf[0] != '2') { - return; - } - download_len = extract_long(&buf[4], 0); - - bytes_received = 0L; - fp = fopen(tempfilename, "w"); - if (fp == NULL) { - CtdlLogPrintf(CTDL_CRIT, "cannot open download file locally: %s\n", - strerror(errno)); - return; - } - - while (bytes_received < download_len) { - /* - * If shutting down we can exit here and unlink the temp file. - * this shouldn't loose us any messages. - */ - if (CtdlThreadCheckStop()) - { - fclose(fp); - unlink(tempfilename); - return; - } - snprintf(buf, sizeof buf, "READ %ld|%ld", - bytes_received, - ((download_len - bytes_received > IGNET_PACKET_SIZE) - ? IGNET_PACKET_SIZE : (download_len - bytes_received))); - if (sock_puts(sock, buf) < 0) { - fclose(fp); - unlink(tempfilename); - return; - } - if (sock_getln(sock, buf, sizeof buf) < 0) { - fclose(fp); - unlink(tempfilename); - return; - } - if (buf[0] == '6') { - plen = extract_long(&buf[4], 0); - if (sock_read(sock, pbuf, plen, 1) < 0) { - fclose(fp); - unlink(tempfilename); - return; - } - fwrite((char *) pbuf, plen, 1, fp); - bytes_received = bytes_received + plen; - } - } - - fclose(fp); - - /* Last chance for shutdown exit */ - if (CtdlThreadCheckStop()) - { - unlink(tempfilename); - return; - } - - if (sock_puts(sock, "CLOS") < 0) { - unlink(tempfilename); - return; - } - - /* - * From here on we must complete or messages will get lost - */ - if (sock_getln(sock, buf, sizeof buf) < 0) { - unlink(tempfilename); - return; - } - if (download_len > 0) { - CtdlLogPrintf(CTDL_NOTICE, "Received %ld octets from <%s>\n", download_len, remote_nodename); - } - CtdlLogPrintf(CTDL_DEBUG, "%s\n", buf); - - /* Now move the temp file to its permanent location. - */ - snprintf(filename, - sizeof filename, - "%s/%s.%ld", - ctdl_netin_dir, - remote_nodename, - (long) getpid() - ); - - if (link(tempfilename, filename) != 0) { - CtdlLogPrintf(CTDL_ALERT, "Could not link %s to %s: %s\n", - tempfilename, filename, strerror(errno) - ); - } - unlink(tempfilename); -} - - - -/* - * transmit network spool to the remote system - */ -void transmit_spool(int *sock, char *remote_nodename) -{ - char buf[SIZ]; - char pbuf[4096]; - long plen; - long bytes_to_write, thisblock, bytes_written; - int fd; - char sfname[128]; - - if (sock_puts(sock, "NUOP") < 0) return; - if (sock_getln(sock, buf, sizeof buf) < 0) return; - CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf); - if (buf[0] != '2') { - return; - } - - snprintf(sfname, sizeof sfname, - "%s/%s", - ctdl_netout_dir, - remote_nodename - ); - fd = open(sfname, O_RDONLY); - if (fd < 0) { - if (errno != ENOENT) { - CtdlLogPrintf(CTDL_CRIT, "cannot open %s: %s\n", sfname, strerror(errno)); - } - return; - } - bytes_written = 0; - while (plen = (long) read(fd, pbuf, IGNET_PACKET_SIZE), plen > 0L) { - bytes_to_write = plen; - while (bytes_to_write > 0L) { - /* Exit if shutting down */ - if (CtdlThreadCheckStop()) - { - close(fd); - return; - } - - snprintf(buf, sizeof buf, "WRIT %ld", bytes_to_write); - if (sock_puts(sock, buf) < 0) { - close(fd); - return; - } - if (sock_getln(sock, buf, sizeof buf) < 0) { - close(fd); - return; - } - thisblock = atol(&buf[4]); - if (buf[0] == '7') { - if (sock_write(sock, pbuf, (int) thisblock) < 0) { - close(fd); - return; - } - bytes_to_write -= thisblock; - bytes_written += thisblock; - } else { - goto ABORTUPL; - } - } - } - -ABORTUPL: - close(fd); - - /* Last chance for shutdown exit */ - if(CtdlThreadCheckStop()) - return; - - if (sock_puts(sock, "UCLS 1") < 0) return; - - /* - * From here on we must complete or messages will get lost - */ - if (sock_getln(sock, buf, sizeof buf) < 0) return; - CtdlLogPrintf(CTDL_NOTICE, "Sent %ld octets to <%s>\n", bytes_written, remote_nodename); - CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf); - if (buf[0] == '2') { - CtdlLogPrintf(CTDL_DEBUG, "Removing <%s>\n", sfname); - unlink(sfname); - } -} - - - -/* - * Poll one Citadel node (called by network_poll_other_citadel_nodes() below) - */ -void network_poll_node(char *node, char *secret, char *host, char *port) { - int sock; - char buf[SIZ]; - char err_buf[SIZ]; - char connected_to[SIZ]; - CitContext *CCC=CC; - - if (network_talking_to(node, NTT_CHECK)) return; - network_talking_to(node, NTT_ADD); - CtdlLogPrintf(CTDL_DEBUG, "network: polling <%s>\n", node); - CtdlLogPrintf(CTDL_NOTICE, "Connecting to <%s> at %s:%s\n", node, host, port); - - sock = sock_connect(host, port, "tcp"); - if (sock < 0) { - CtdlLogPrintf(CTDL_ERR, "Could not connect: %s\n", strerror(errno)); - network_talking_to(node, NTT_REMOVE); - return; - } - - CtdlLogPrintf(CTDL_DEBUG, "Connected!\n"); - CCC->sReadBuf = NewStrBuf(); - CCC->sMigrateBuf = NewStrBuf(); - CCC->sPos = NULL; - - /* Read the server greeting */ - if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail; - CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf); - - /* Check that the remote is who we think it is and warn the Aide if not */ - extract_token (connected_to, buf, 1, ' ', sizeof connected_to); - if (strcmp(connected_to, node)) - { - snprintf(err_buf, sizeof(err_buf), - "Connected to node \"%s\" but I was expecting to connect to node \"%s\".", - connected_to, node - ); - CtdlLogPrintf(CTDL_ERR, "%s\n", err_buf); - CtdlAideMessage(err_buf, "Network error"); - } - else { - /* We're talking to the correct node. Now identify ourselves. */ - snprintf(buf, sizeof buf, "NETP %s|%s", config.c_nodename, secret); - CtdlLogPrintf(CTDL_DEBUG, "<%s\n", buf); - if (sock_puts(&sock, buf) <0) goto bail; - if (sock_getln(&sock, buf, sizeof buf) < 0) goto bail; - CtdlLogPrintf(CTDL_DEBUG, ">%s\n", buf); - if (buf[0] != '2') { - goto bail; - } - - /* At this point we are authenticated. */ - if (!CtdlThreadCheckStop()) - receive_spool(&sock, node); - if (!CtdlThreadCheckStop()) - transmit_spool(&sock, node); - } - - sock_puts(&sock, "QUIT"); -bail: - FreeStrBuf(&CCC->sReadBuf); - FreeStrBuf(&CCC->sMigrateBuf); - if (sock != -1) - sock_close(sock); - network_talking_to(node, NTT_REMOVE); -} - - - -/* - * Poll other Citadel nodes and transfer inbound/outbound network data. - * Set "full" to nonzero to force a poll of every node, or to zero to poll - * only nodes to which we have data to send. - */ -void network_poll_other_citadel_nodes(int full_poll) { - int i; - char linebuf[256]; - char node[SIZ]; - char host[256]; - char port[256]; - char secret[256]; - int poll = 0; - char spoolfile[256]; - - if (working_ignetcfg == NULL) { - CtdlLogPrintf(CTDL_DEBUG, "network: no neighbor nodes are configured - not polling.\n"); - return; - } - - /* Use the string tokenizer to grab one line at a time */ - for (i=0; iname, sizeof spoolroomname); - begin_critical_section(S_RPLIST); - - /* pop this record off the list */ - ptr = rplist; - rplist = rplist->next; - free(ptr); - - /* invalidate any duplicate entries to prevent double processing */ - for (ptr=rplist; ptr!=NULL; ptr=ptr->next) { - if (!strcasecmp(ptr->name, spoolroomname)) { - ptr->name[0] = 0; - } - } - - end_critical_section(S_RPLIST); - if (spoolroomname[0] != 0) { - network_spoolout_room(spoolroomname); - } - } - } - - /* If there is anything in the inbound queue, process it */ - if (!CtdlThreadCheckStop()) { - network_do_spoolin(); - } - - /* Save the network map back to disk */ - write_network_map(); - - /* Free the filter list in memory */ - free_filter_list(filterlist); - filterlist = NULL; - - network_consolidate_spoolout(); - - CtdlLogPrintf(CTDL_DEBUG, "network: queue run completed\n"); - - if (full_processing) { - last_run = time(NULL); - } - - doing_queue = 0; - - /* Reschedule this task to happen again periodically, unless the thread system indicates - * that the server is shutting down. - */ - if (!CtdlThreadCheckStop()) { - CtdlThreadSchedule("IGnet Network", CTDLTHREAD_BIGSTACK, - network_do_queue, NULL, time(NULL) + 60 - ); - } - else { - CtdlLogPrintf(CTDL_DEBUG, "network: Task STOPPED.\n"); - } - return NULL; -} - - -/* - * cmd_netp() - authenticate to the server as another Citadel node polling - * for network traffic - */ -void cmd_netp(char *cmdbuf) -{ - char node[256]; - char pass[256]; - int v; - - char secret[256]; - char nexthop[256]; - char err_buf[SIZ]; - - /* Authenticate */ - extract_token(node, cmdbuf, 0, '|', sizeof node); - extract_token(pass, cmdbuf, 1, '|', sizeof pass); - - /* load the IGnet Configuration to check node validity */ - load_working_ignetcfg(); - v = is_valid_node(nexthop, secret, node); - - if (v != 0) { - snprintf(err_buf, sizeof err_buf, - "An unknown Citadel server called \"%s\" attempted to connect from %s [%s].\n", - node, CC->cs_host, CC->cs_addr - ); - CtdlLogPrintf(CTDL_WARNING, err_buf); - cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED); - CtdlAideMessage(err_buf, "IGNet Networking."); - return; - } - - if (strcasecmp(pass, secret)) { - snprintf(err_buf, sizeof err_buf, - "A Citadel server at %s [%s] failed to authenticate as network node \"%s\".\n", - CC->cs_host, CC->cs_addr, node - ); - CtdlLogPrintf(CTDL_WARNING, err_buf); - cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED); - CtdlAideMessage(err_buf, "IGNet Networking."); - return; - } - - if (network_talking_to(node, NTT_CHECK)) { - CtdlLogPrintf(CTDL_WARNING, "Duplicate session for network node <%s>", node); - cprintf("%d Already talking to %s right now\n", ERROR + RESOURCE_BUSY, node); - return; - } - - safestrncpy(CC->net_node, node, sizeof CC->net_node); - network_talking_to(node, NTT_ADD); - CtdlLogPrintf(CTDL_NOTICE, "Network node <%s> logged in from %s [%s]\n", - CC->net_node, CC->cs_host, CC->cs_addr - ); - cprintf("%d authenticated as network node '%s'\n", CIT_OK, CC->net_node); -} - - -int network_room_handler (struct ctdlroom *room) -{ - network_queue_room(room, NULL); - return 0; -} - - -/* - * Module entry point - */ -CTDL_MODULE_INIT(network) -{ - if (!threading) - { - create_spool_dirs(); - CtdlRegisterProtoHook(cmd_gnet, "GNET", "Get network config"); - CtdlRegisterProtoHook(cmd_snet, "SNET", "Set network config"); - CtdlRegisterProtoHook(cmd_netp, "NETP", "Identify as network poller"); + 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); + CtdlRegisterRoomHook(network_room_handler); + CtdlRegisterCleanupHook(destroy_network_queue_room_locked); + CtdlRegisterSessionHook(network_do_queue, EVT_TIMER, PRIO_QUEUE + 10); } - else - CtdlThreadSchedule("IGnet Network", CTDLTHREAD_BIGSTACK, network_do_queue, NULL, 0); - /* return our Subversion id for the Log */ - return "$Id$"; + return "network"; }