X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fmodules%2Fnetwork%2Fserv_network.c;h=6ed123eb090f1d10e0b1f711b518fc035e6ff715;hb=fd710adc44e642ad7b62cffbb7114c5b3f82bed4;hp=1d843b46116d072f9b44f172df4689c1c5abf19a;hpb=9571de81331e169c042c630800bff1bde499c8a9;p=citadel.git diff --git a/citadel/modules/network/serv_network.c b/citadel/modules/network/serv_network.c index 1d843b461..6ed123eb0 100644 --- a/citadel/modules/network/serv_network.c +++ b/citadel/modules/network/serv_network.c @@ -1,8 +1,7 @@ /* - * This module handles shared rooms, inter-Citadel mail, and outbound - * mailing list processing. + * This module handles network mail and mailing list processing. * - * Copyright (c) 2000-2015 by the citadel.org team + * Copyright (c) 2000-2021 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. @@ -18,7 +17,6 @@ * 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. - * */ /* @@ -39,16 +37,8 @@ #include #include #include -#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif +#include + #ifdef HAVE_SYSCALL_H # include #else @@ -79,485 +69,15 @@ #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; -/* - * 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 - * is global; we have a mutex that keeps it safe. - */ -struct RoomProcList *rplist = NULL; - - -/* - * 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; - - 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; - - for (i = 0; i < ptr->namelen; i++) - { - ptr->lcname[i] = tolower(ptr->name[i]); - } - - ptr->lcname[ptr->namelen] = '\0'; - ptr->key = hashlittle(ptr->lcname, ptr->namelen, 9872345); - ptr->lastsent = OneRNCFG->lastsent; - ptr->OneRNCfg = OneRNCFG; - return ptr; -} - -/* - * Batch up and send all outbound traffic from the current room - */ -void network_queue_interesting_rooms(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCfg) -{ - struct RoomProcList *ptr; - roomlists *RP = (roomlists*) data; - - if (!HaveSpoolConfig(OneRNCfg)) - return; - - ptr = CreateRoomProcListEntry(qrbuf, OneRNCfg); - - if (ptr != NULL) - { - ptr->next = RP->rplist; - RP->rplist = ptr; - } -} - -/* - * Batch up and send all outbound traffic from the current room - */ -int network_room_handler (struct ctdlroom *qrbuf) -{ - struct RoomProcList *ptr; - OneRoomNetCfg* RNCfg; - - if (qrbuf->QRdefaultview == VIEW_QUEUE) - return 1; - - RNCfg = CtdlGetNetCfgForRoom(qrbuf->QRnumber); - if (RNCfg == NULL) - return 1; - - if (!HaveSpoolConfig(RNCfg)) - return 1; - - ptr = CreateRoomProcListEntry(qrbuf, RNCfg); - if (ptr == NULL) - 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; - - cur = rplist; - while (cur != NULL) - { - p = cur->next; - free (cur); - cur = p; - } -} - -void destroy_network_queue_room_locked (void) -{ - begin_critical_section(S_RPLIST); - destroy_network_queue_room(rplist); - end_critical_section(S_RPLIST); -} - - -/* - * network_do_queue() - * - * Run through the rooms doing various types of network stuff. - */ -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; - - /* - * Run the full set of processing tasks no more frequently - * than once every n seconds - */ - 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) - ); - } - - 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(); - - /* - * 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 - - /* - * 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); - } - - 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; - } - - if (ptr->namelen > 0) { - InspectQueuedRoom(&sc, - ptr, - working_ignetcfg, - the_netmap); - } - ptr = ptr->next; - } - } - - - pSC = sc; - while (pSC != NULL) - { - network_spoolout_room(pSC); - pSC = pSC->next; - } - - 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); - } - - /* Free the filter list in memory */ - free_netfilter_list(); - - /* Save the network map back to disk */ - if (netmap_changed) { - 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); - - QNM_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'; - } -} - - -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)); - } - fclose(network_fp); - } - free(smr.ser); - } - 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; - } - return 0; -} /* * Module entry point */ - -void SetNetQDebugEnabled(const int n) -{ - NetQDebugEnabled = n; -} - CTDL_MODULE_INIT(network) { if (!threading) { - CtdlRegisterMessageHook(ignet_aftersave, EVT_AFTERSAVE); - - 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); } return "network"; }