From b7728265dabe592f9e4a8e83cb0df4accb6cea21 Mon Sep 17 00:00:00 2001 From: Art Cancro Date: Mon, 22 Jan 2018 21:26:00 -0500 Subject: [PATCH] aagh --- citadel/modules/network/serv_network.c | 536 ------------------------- 1 file changed, 536 deletions(-) delete mode 100644 citadel/modules/network/serv_network.c diff --git a/citadel/modules/network/serv_network.c b/citadel/modules/network/serv_network.c deleted file mode 100644 index 41b299a29..000000000 --- a/citadel/modules/network/serv_network.c +++ /dev/null @@ -1,536 +0,0 @@ -/* - * This module handles shared rooms, inter-Citadel mail, and outbound - * mailing list processing. - * - * Copyright (c) 2000-2017 by the citadel.org team - * - * This program is open source software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 3. - * - * This program is 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 - * two threads work on the netconfigs files at the same time. Since we do - * 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. - */ - -/* - * Duration of time (in seconds) after which pending list subscribe/unsubscribe - * requests that have not been confirmed will be deleted. - */ -#define EXP 259200 /* three days */ - -#include "sysdep.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif -#ifdef HAVE_SYSCALL_H -# include -#else -# if HAVE_SYS_SYSCALL_H -# include -# endif -#endif - -#include -#include -#include -#include -#include "citadel.h" -#include "server.h" -#include "citserver.h" -#include "support.h" -#include "config.h" -#include "user_ops.h" -#include "database.h" -#include "msgbase.h" -#include "internet_addressing.h" -#include "serv_network.h" -#include "clientsocket.h" -#include "citadel_dirs.h" -#include "threads.h" -#include "context.h" -#include "ctdl_module.h" -#include "netspool.h" -#include "netmail.h" - -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; - - /* Load the netconfig for this room */ - pRNCFG = CtdlGetNetCfgForRoom(CCC->room.QRnumber); - if (pRNCFG == NULL) { // no netconfig at all? - return -1; - } - if (pRNCFG->NetConfigs[ignet_push_share] == NULL) // no ignet push shares? - { - FreeRoomNetworkStruct(&pRNCFG); - return -1; - } - - /* Search for an ignet_oush_share configuration bearing the target node's name */ - for (pCfgLine = pRNCFG->NetConfigs[ignet_push_share]; pCfgLine != NULL; pCfgLine = pCfgLine->next) - { - if (!strcmp(ChrPtr(pCfgLine->Value[0]), target_node)) - break; - } - - /* If we aren't sharing with that node, bail out */ - if (pCfgLine == NULL) - { - FreeRoomNetworkStruct(&pRNCFG); - return -1; - } - - /* If we got here, we're good to go ... make up a dummy spoolconfig and roll with it */ - - begin_critical_section(S_NETCONFIGS); - 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, &sc.RNCfg->NetConfigs[ignet_push_share]); - - DeleteHash(&sc.working_ignetcfg); - DeleteHash(&sc.the_netmap); - free_spoolcontrol_struct_members(&sc); - - syslog(LOG_NOTICE, "network: synchronized %d messages to <%s>", 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); - 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)) { - FreeRoomNetworkStruct(&RNCfg); - return 1; - } - - ptr = CreateRoomProcListEntry(qrbuf, RNCfg); - if (ptr == NULL) { - FreeRoomNetworkStruct(&RNCfg); - return 1; - } - - 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) -{ - 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) -{ - 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.", 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(); - } - - /* - * Go ahead and run the queue - */ - if (full_processing && !server_shutting_down) { - 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"); - 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); - } - - /* 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 single 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"); - - if (full_processing) { - last_run = time(NULL); - } - destroy_network_queue_room(RL.rplist); -} - - -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) -{ - /* 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) { - syslog(LOG_EMERG, "network: CtdlSubmitMsg() Couldn't write network spool file: %s", 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 - */ - - -CTDL_MODULE_INIT(network) -{ - if (!threading) - { - CtdlRegisterMessageHook(ignet_aftersave, EVT_AFTERSAVE); - CtdlFillSystemContext(&networker_spool_CC, "CitNetSpool"); - 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"; -} -- 2.30.2