* This module handles shared rooms, inter-Citadel mail, and outbound
* mailing list processing.
*
- * Copyright (c) 2000-2012 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.
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
* ** NOTE ** A word on the S_NETCONFIGS semaphore:
* This is a fairly high-level type of critical section. It ensures that no
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
+#include <time.h>
+
#ifdef HAVE_SYSCALL_H
# include <syscall.h>
#else
#include <sys/wait.h>
#include <string.h>
#include <limits.h>
+#include <assert.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "internet_addressing.h"
#include "serv_network.h"
#include "clientsocket.h"
-#include "file_ops.h"
#include "citadel_dirs.h"
#include "threads.h"
#include "context.h"
-#include "netconfig.h"
+#include "ctdl_module.h"
#include "netspool.h"
#include "netmail.h"
-#include "ctdl_module.h"
-
-
-HashList *CfgTypeHash = NULL;
-typedef struct CfgLineType CfgLineType;
-typedef void (*CfgLineParser)(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc);
-typedef void (*CfgLineSerializer)(const CfgLineType *ThisOne, StrBuf *OuptputBuffer, SpoolControl *sc, namelist *data);
-typedef void (*CfgLineDeAllocator)(const CfgLineType *ThisOne, namelist **data);
-struct CfgLineType {
- RoomNetCfg C;
- CfgLineParser Parser;
- CfgLineSerializer Serializer;
- CfgLineDeAllocator DeAllocator;
- ConstStr Str;
- int IsSingleLine;
-};
-#define REGISTERRoomCfgType(a, p, uniq, s, d) RegisterRoomCfgType(#a, sizeof(#a) - 1, a, p, uniq, s, d);
-
-void RegisterRoomCfgType(const char* Name, long len, RoomNetCfg eCfg, CfgLineParser p, int uniq, CfgLineSerializer s, CfgLineDeAllocator d)
-{
- CfgLineType *pCfg;
-
- pCfg = (CfgLineType*) malloc(sizeof(CfgLineType));
- pCfg->Parser = p;
- pCfg->Serializer = s;
- pCfg->C = eCfg;
- pCfg->Str.Key = Name;
- pCfg->Str.len = len;
- pCfg->IsSingleLine = uniq;
-
- if (CfgTypeHash == NULL)
- CfgTypeHash = NewHash(1, NULL);
- Put(CfgTypeHash, Name, len, pCfg, NULL);
-}
-
-const CfgLineType *GetCfgTypeByStr(const char *Key, long len)
-{
- void *pv;
-
- if (GetHash(CfgTypeHash, Key, len, &pv) && (pv != NULL))
- {
- return (const CfgLineType *) pv;
- }
- else
- {
- return NULL;
- }
-}
-
-const CfgLineType *GetCfgTypeByEnum(RoomNetCfg eCfg, HashPos *It)
-{
- const char *Key;
- long len;
- void *pv;
- CfgLineType *pCfg;
-
- RewindHashPos(CfgTypeHash, It, 1);
- while (GetNextHashPos(CfgTypeHash, It, &len, &Key, &pv) && (pv != NULL))
- {
- pCfg = (CfgLineType*) pv;
- if (pCfg->C == eCfg)
- return pCfg;
- }
- return NULL;
-}
-void ParseDefault(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
- namelist *nptr;
-
- nptr = (namelist *)
- malloc(sizeof(namelist));
- nptr->next = sc->NetConfigs[ThisOne->C];
- nptr->Value = NewStrBufPlain(LinePos, StrLength(Line) - ( LinePos - ChrPtr(Line)) );
- sc->NetConfigs[ThisOne->C] = nptr;
-}
-
-void ParseLastSent(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
- sc->lastsent = extract_long(LinePos, 0);
-}
-void ParseIgnetPushShare(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
-/*
- extract_token(nodename, LinePos, 0, '|', sizeof nodename);
- extract_token(roomname, LinePos, 1, '|', 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;
-*/
-}
-
-void ParseRoomAlias(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
-/*
- if (sc->sender != NULL)
- continue; / * just one alowed... * /
- extract_token(nptr->name, buf, 1, '|', sizeof nptr->name);
- sc->sender = nptr;
-*/
-}
-
-void ParseSubPendingLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
-
- if (time(NULL) - extract_long(LinePos, 3) > EXP) {
- // skipthisline = 1;
- }
- else
- {
- }
-
-}
-void ParseUnSubPendingLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, SpoolControl *sc)
-{
- ///int skipthisline = 0;
- if (time(NULL) - extract_long(LinePos, 2) > EXP) {
- // skipthisline = 1;
- }
-
-}
-
-void DeleteGenericCfgLine(const CfgLineType *ThisOne, namelist **data)
-{
- FreeStrBuf(&(*data)->Value);
- free(*data);
- *data = NULL;
-}
-int read_spoolcontrol_file(SpoolControl **scc, char *filename)
-{
- int fd;
- const char *ErrStr = NULL;
- const char *Pos;
- const CfgLineType *pCfg;
- StrBuf *Line;
- StrBuf *InStr;
- SpoolControl *sc;
-
- fd = open(filename, O_NONBLOCK|O_RDONLY);
- if (fd == -1) {
- *scc = NULL;
- return 0;
- }
- sc = malloc(sizeof(SpoolControl));
- memset(sc, 0, sizeof(SpoolControl));
- *scc = sc;
-
- while (StrBufTCP_read_line(Line, &fd, 0, &ErrStr) >= 0) {
- if (StrLength(Line) == 0)
- continue;
- Pos = NULL;
- InStr = NewStrBufPlain(NULL, StrLength(Line));
- StrBufExtract_NextToken(InStr, Line, &Pos, '|');
-
- pCfg = GetCfgTypeByStr(SKEY(InStr));
- if (pCfg != NULL)
- {
- pCfg->Parser(pCfg, Line, Pos, sc);
- }
- else
- {
- if (sc->misc == NULL)
- {
- sc->misc = NewStrBufDup(Line);
- }
- else
- {
- if(StrLength(sc->misc) > 0)
- StrBufAppendBufPlain(sc->misc, HKEY("\n"), 0);
- StrBufAppendBuf(sc->misc, Line, 0);
- }
- }
- }
- if (fd > 0)
- close(fd);
- FreeStrBuf(&InStr);
- FreeStrBuf(&Line);
- return 1;
-}
-
-void SerializeLastSent(const CfgLineType *ThisOne, StrBuf *OutputBuffer, SpoolControl *sc, namelist *data)
-{
- StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
- StrBufAppendPrintf(OutputBuffer, "|%ld\n", sc->lastsent);
-}
-
-void SerializeGeneric(const CfgLineType *ThisOne, StrBuf *OutputBuffer, SpoolControl *sc, namelist *data)
-{
- StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
- StrBufAppendBuf(OutputBuffer, data->Value, 0);
- StrBufAppendBufPlain(OutputBuffer, HKEY("\n"), 0);
-}
-void SerializeIgnetPushShare(const CfgLineType *ThisOne, StrBuf *OutputBuffer, SpoolControl *sc, namelist *data)
-{
- StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
-/*
- StrBufAppendPrintf(Cfg, "ignet_push_share|%s", sc->ignet_push_shares->remote_nodename);
- if (!IsEmptyStr(sc->ignet_push_shares->remote_roomname)) {
- StrBufAppendPrintf(Cfg, "|%s", sc->ignet_push_shares->remote_roomname);
- }
- StrBufAppendPrintf(Cfg, "\n");
- mptr = sc->ignet_push_shares->next;
- free(sc->ignet_push_shares);
- sc->ignet_push_shares = mptr;
-*/
- StrBufAppendBuf(OutputBuffer, data->Value, 0);
- StrBufAppendBufPlain(OutputBuffer, HKEY("\n"), 0);
-}
-
-int save_spoolcontrol_file(SpoolControl *sc, char *filename)
-{
- RoomNetCfg eCfg;
- StrBuf *Cfg;
- char tempfilename[PATH_MAX];
- int TmpFD;
- long len;
- time_t unixtime;
- struct timeval tv;
- long reltid; /* if we don't have SYS_gettid, use "random" value */
- StrBuf *OutBuffer;
- int rc;
- HashPos *CfgIt;
-
- len = strlen(filename);
- memcpy(tempfilename, filename, len + 1);
-
-
-#if defined(HAVE_SYSCALL_H) && defined (SYS_gettid)
- reltid = syscall(SYS_gettid);
-#endif
- gettimeofday(&tv, NULL);
- /* Promote to time_t; types differ on some OSes (like darwin) */
- unixtime = tv.tv_sec;
-
- sprintf(tempfilename + len, ".%ld-%ld", reltid, unixtime);
- errno = 0;
- TmpFD = open(tempfilename, O_CREAT|O_EXCL|O_RDWR, S_IRUSR|S_IWUSR);
- Cfg = NewStrBuf();
- if ((TmpFD < 0) || (errno != 0)) {
- syslog(LOG_CRIT, "ERROR: cannot open %s: %s\n",
- filename, strerror(errno));
- unlink(tempfilename);
- return 0;
- }
- else {
- CfgIt = GetNewHashPos(CfgTypeHash, 1);
- fchown(TmpFD, config.c_ctdluid, 0);
- for (eCfg = subpending; eCfg < maxRoomNetCfg; eCfg ++)
- {
- const CfgLineType *pCfg;
- pCfg = GetCfgTypeByEnum(eCfg, CfgIt);
- if (pCfg->IsSingleLine)
- {
- pCfg->Serializer(pCfg, OutBuffer, sc, NULL);
- }
- else
- {
- namelist *pName = sc->NetConfigs[pCfg->C];
- while (pName != NULL)
- {
- pCfg->Serializer(pCfg, OutBuffer, sc, pName);
- pName = pName->next;
- }
-
-
- }
-
- }
- DeleteHashPos(&CfgIt);
-
-
- if (sc->misc != NULL) {
- StrBufAppendBuf(OutBuffer, sc->misc, 0);
- }
-
- rc = write(TmpFD, ChrPtr(OutBuffer), StrLength(OutBuffer));
- if ((rc >=0 ) && (rc == StrLength(Cfg)))
- {
- close(TmpFD);
- rename(tempfilename, filename);
- rc = 1;
- }
- else {
- syslog(LOG_EMERG,
- "unable to write %s; [%s]; not enough space on the disk?\n",
- tempfilename,
- strerror(errno));
- close(TmpFD);
- unlink(tempfilename);
- rc = 0;
- }
- FreeStrBuf(&OutBuffer);
-
- }
- return rc;
-}
-
-
-
-void free_spoolcontrol_struct(SpoolControl **scc)
-{
- RoomNetCfg eCfg;
- HashPos *CfgIt;
- SpoolControl *sc;
-
- sc = *scc;
- CfgIt = GetNewHashPos(CfgTypeHash, 1);
- for (eCfg = subpending; eCfg < maxRoomNetCfg; eCfg ++)
- {
- const CfgLineType *pCfg;
- namelist *pNext, *pName;
-
- pCfg = GetCfgTypeByEnum(eCfg, CfgIt);
- pName= sc->NetConfigs[pCfg->C];
- while (pName != NULL)
- {
- pNext = pName->next;
- pCfg->DeAllocator(pCfg, &pName);
- pName = pNext;
- }
- }
- DeleteHashPos(&CfgIt);
-
- FreeStrBuf(&sc->Sender);
- FreeStrBuf(&sc->RoomInfo);
- FreeStrBuf(&sc->misc);
- free(sc);
- *scc=NULL;
-}
-
-#if 0
-int writenfree_spoolcontrol_file(SpoolControl **scc, char *filename)
-{
- char tempfilename[PATH_MAX];
- int TmpFD;
- SpoolControl *sc;
- namelist *nptr = NULL;
- maplist *mptr = NULL;
- long len;
- time_t unixtime;
- struct timeval tv;
- long reltid; /* if we don't have SYS_gettid, use "random" value */
- StrBuf *Cfg;
- int rc;
-
- len = strlen(filename);
- memcpy(tempfilename, filename, len + 1);
-
-
-#if defined(HAVE_SYSCALL_H) && defined (SYS_gettid)
- reltid = syscall(SYS_gettid);
-#endif
- gettimeofday(&tv, NULL);
- /* Promote to time_t; types differ on some OSes (like darwin) */
- unixtime = tv.tv_sec;
-
- sprintf(tempfilename + len, ".%ld-%ld", reltid, unixtime);
- sc = *scc;
- errno = 0;
- TmpFD = open(tempfilename, O_CREAT|O_EXCL|O_RDWR, S_IRUSR|S_IWUSR);
- Cfg = NewStrBuf();
- if ((TmpFD < 0) || (errno != 0)) {
- syslog(LOG_CRIT, "ERROR: cannot open %s: %s\n",
- filename, strerror(errno));
- free_spoolcontrol_struct(scc);
- unlink(tempfilename);
- }
- else {
- fchown(TmpFD, config.c_ctdluid, 0);
- StrBufAppendPrintf(Cfg, "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) {
- StrBufAppendPrintf(Cfg, "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) {
- StrBufAppendPrintf(Cfg, "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) {
- StrBufAppendPrintf(Cfg, "participate|%s\n", sc->participates->name);
- nptr = sc->participates->next;
- free(sc->participates);
- sc->participates = nptr;
- }
- while (sc->ignet_push_shares != NULL) {
- StrBufAppendPrintf(Cfg, "ignet_push_share|%s", sc->ignet_push_shares->remote_nodename);
- if (!IsEmptyStr(sc->ignet_push_shares->remote_roomname)) {
- StrBufAppendPrintf(Cfg, "|%s", sc->ignet_push_shares->remote_roomname);
- }
- StrBufAppendPrintf(Cfg, "\n");
- mptr = sc->ignet_push_shares->next;
- free(sc->ignet_push_shares);
- sc->ignet_push_shares = mptr;
- }
- if (sc->misc != NULL) {
- StrBufAppendBufPlain(Cfg, sc->misc, -1, 0);
- }
- free(sc->misc);
-
- rc = write(TmpFD, ChrPtr(Cfg), StrLength(Cfg));
- if ((rc >=0 ) && (rc == StrLength(Cfg)))
- {
- close(TmpFD);
- rename(tempfilename, filename);
- }
- else {
- syslog(LOG_EMERG,
- "unable to write %s; [%s]; not enough space on the disk?\n",
- tempfilename,
- strerror(errno));
- close(TmpFD);
- unlink(tempfilename);
- }
- FreeStrBuf(&Cfg);
- free(sc);
- *scc=NULL;
- }
- return 1;
-}
-#endif
-int is_recipient(SpoolControl *sc, const char *Name)
-{
- const RoomNetCfg RecipientCfgs[] = {
- listrecp,
- digestrecp,
- participate,
- maxRoomNetCfg
- };
- int i;
- namelist *nptr;
- size_t len;
-
- len = strlen(Name);
- i = 0;
- while (RecipientCfgs[i] != maxRoomNetCfg)
- {
- nptr = sc->NetConfigs[RecipientCfgs[i]];
-
- while (nptr != NULL)
- {
- if ((StrLength(nptr->Value) == len) &&
- (!strcmp(Name, ChrPtr(nptr->Value))))
- {
- return 1;
- }
- nptr = nptr->next;
- }
- }
- return 0;
-}
-
-
-/*
- * Batch up and send all outbound traffic from the current room
- */
-void network_spoolout_room(RoomProcList *room_to_spool,
- HashList *working_ignetcfg,
- HashList *the_netmap)
-{
- 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->name) != 0) {
- syslog(LOG_CRIT, "ERROR: cannot load <%s>\n", room_to_spool->name);
- 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;
- }
- syslog(LOG_INFO, "Networking started for <%s>\n", CC->room.QRname);
-
- sc->working_ignetcfg = working_ignetcfg;
- sc->the_netmap = the_netmap;
-
- /* If there are digest recipients, we have to build a digest */
- if (sc->NetConfigs[digestrecp] != 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 */
- //// todo writenfree_spoolcontrol_file(&sc, filename);
- end_critical_section(S_NETCONFIGS);
-}
-
-/*
- * Process a buffer containing a single message from a single file
- * from the inbound queue
- */
-void network_process_buffer(char *buffer, long size, HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
-{
- struct CitContext *CCC = CC;
- StrBuf *Buf = NULL;
- 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;
- const StrBuf *nexthop = NULL;
- unsigned char firstbyte;
- unsigned char lastbyte;
-
- QN_syslog(LOG_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) ) {
- QN_syslog(LOG_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 */
- Buf = NewStrBufPlain(msg->cm_fields['D'], -1);
- if (is_valid_node(&nexthop,
- NULL,
- Buf,
- working_ignetcfg,
- the_netmap) == 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 (StrLength(nexthop) == 0) {
- nexthop = Buf;
- }
- snprintf(filename,
- sizeof filename,
- "%s/%s@%lx%x",
- ctdl_netout_dir,
- ChrPtr(nexthop),
- time(NULL),
- rand()
- );
- QN_syslog(LOG_DEBUG, "Appending to %s\n", filename);
- fp = fopen(filename, "ab");
- if (fp != NULL) {
- fwrite(sermsg.ser, sermsg.len, 1, fp);
- fclose(fp);
- }
- else {
- QN_syslog(LOG_ERR, "%s: %s\n", filename, strerror(errno));
- }
- free(sermsg.ser);
- CtdlFreeMessage(msg);
- FreeStrBuf(&Buf);
- return;
- }
-
- else { /* invalid destination node name */
- FreeStrBuf(&Buf);
-
- 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'],
- the_netmap,
- netmap_changed);
- }
-
- /* 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);
- QNM_syslog(LOG_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,
- HashList *working_ignetcfg,
- HashList *the_netmap,
- int *netmap_changed)
-{
- 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,
- working_ignetcfg,
- the_netmap,
- netmap_changed);
- }
- free(buffer);
- }
-
- fseek(fp, hold_pos, SEEK_SET);
-}
-
-
-/*
- * Process a single file from the inbound queue
- */
-void network_process_file(char *filename,
- HashList *working_ignetcfg,
- HashList *the_netmap,
- int *netmap_changed)
-{
- struct CitContext *CCC = CC;
- FILE *fp;
- long msgstart = (-1L);
- long msgend = (-1L);
- long msgcur = 0L;
- int ch;
-
-
- fp = fopen(filename, "rb");
- if (fp == NULL) {
- QN_syslog(LOG_CRIT, "Error opening %s: %s\n", filename, strerror(errno));
- return;
- }
-
- fseek(fp, 0L, SEEK_END);
- QN_syslog(LOG_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,
- working_ignetcfg,
- the_netmap,
- netmap_changed);
- }
- msgstart = msgcur;
- }
-
- ++msgcur;
- }
-
- msgend = msgcur - 1;
- if (msgstart >= 0L) {
- network_process_message(fp,
- msgstart,
- msgend,
- working_ignetcfg,
- the_netmap,
- netmap_changed);
- }
-
- fclose(fp);
- unlink(filename);
-}
-
-
-/*
- * Process anything in the inbound queue
- */
-void network_do_spoolin(HashList *working_ignetcfg, HashList *the_netmap, int *netmap_changed)
-{
- struct CitContext *CCC = CC;
- 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) {
- QNM_syslog(LOG_DEBUG, "network: nothing in inbound queue\n");
- return;
- }
- last_spoolin_mtime = statbuf.st_mtime;
- QNM_syslog(LOG_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,
- working_ignetcfg,
- the_netmap,
- netmap_changed);
- }
- }
-
- 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(HashList *working_ignetcfg, HashList *the_netmap)
-{
- struct CitContext *CCC = CC;
- IOBuffer IOB;
- FDIOBuffer FDIO;
- int d_namelen;
- DIR *dp;
- struct dirent *d;
- struct dirent *filedir_entry;
- const char *pch;
- char spooloutfilename[PATH_MAX];
- char filename[PATH_MAX];
- const StrBuf *nexthop;
- StrBuf *NextHop;
- int i;
- struct stat statbuf;
- int nFailed = 0;
-
- /* Step 1: consolidate files in the outbound queue into one file per neighbor node */
- d = (struct dirent *)malloc(offsetof(struct dirent, d_name) + PATH_MAX + 1);
- if (d == NULL) return;
-
- dp = opendir(ctdl_netout_dir);
- if (dp == NULL) {
- free(d);
- return;
- }
-
- NextHop = NewStrBuf();
- memset(&IOB, 0, sizeof(IOBuffer));
- memset(&FDIO, 0, sizeof(FDIOBuffer));
- FDIO.IOB = &IOB;
-
- while ((readdir_r(dp, d, &filedir_entry) == 0) &&
- (filedir_entry != NULL))
- {
-#ifdef _DIRENT_HAVE_D_NAMELEN
- d_namelen = filedir_entry->d_namelen;
-#else
-
-#ifndef DT_UNKNOWN
-#define DT_UNKNOWN 0
-#define DT_DIR 4
-#define DT_REG 8
-#define DT_LNK 10
-
-#define IFTODT(mode) (((mode) & 0170000) >> 12)
-#define DTTOIF(dirtype) ((dirtype) << 12)
-#endif
- d_namelen = strlen(filedir_entry->d_name);
-#endif
- if ((d_namelen > 1) && filedir_entry->d_name[d_namelen - 1] == '~')
- continue; /* Ignore backup files... */
-
- if ((d_namelen == 1) &&
- (filedir_entry->d_name[0] == '.'))
- continue;
-
- if ((d_namelen == 2) &&
- (filedir_entry->d_name[0] == '.') &&
- (filedir_entry->d_name[1] == '.'))
- continue;
-
- pch = strchr(filedir_entry->d_name, '@');
- if (pch == NULL)
- continue;
-
- snprintf(filename,
- sizeof filename,
- "%s/%s",
- ctdl_netout_dir,
- filedir_entry->d_name);
-
- StrBufPlain(NextHop,
- filedir_entry->d_name,
- pch - filedir_entry->d_name);
-
- snprintf(spooloutfilename,
- sizeof spooloutfilename,
- "%s/%s",
- ctdl_netout_dir,
- ChrPtr(NextHop));
-
- QN_syslog(LOG_DEBUG, "Consolidate %s to %s\n", filename, ChrPtr(NextHop));
- if (network_talking_to(SKEY(NextHop), NTT_CHECK)) {
- nFailed++;
- QN_syslog(LOG_DEBUG,
- "Currently online with %s - skipping for now\n",
- ChrPtr(NextHop)
- );
- }
- else {
- size_t dsize;
- size_t fsize;
- int infd, outfd;
- const char *err = NULL;
- network_talking_to(SKEY(NextHop), NTT_ADD);
-
- infd = open(filename, O_RDONLY);
- if (infd == -1) {
- nFailed++;
- QN_syslog(LOG_ERR,
- "failed to open %s for reading due to %s; skipping.\n",
- filename, strerror(errno)
- );
- network_talking_to(SKEY(NextHop), NTT_REMOVE);
- continue;
- }
-
- outfd = open(spooloutfilename,
- O_EXCL|O_CREAT|O_NONBLOCK|O_WRONLY,
- S_IRUSR|S_IWUSR);
- if (outfd == -1)
- {
- outfd = open(spooloutfilename,
- O_EXCL|O_NONBLOCK|O_WRONLY,
- S_IRUSR | S_IWUSR);
- }
- if (outfd == -1) {
- nFailed++;
- QN_syslog(LOG_ERR,
- "failed to open %s for reading due to %s; skipping.\n",
- spooloutfilename, strerror(errno)
- );
- close(infd);
- network_talking_to(SKEY(NextHop), NTT_REMOVE);
- continue;
- }
-
- dsize = lseek(outfd, 0, SEEK_END);
- lseek(outfd, -dsize, SEEK_SET);
-
- fstat(infd, &statbuf);
- fsize = statbuf.st_size;
-/*
- fsize = lseek(infd, 0, SEEK_END);
-*/
- IOB.fd = infd;
- FDIOBufferInit(&FDIO, &IOB, outfd, fsize + dsize);
- FDIO.ChunkSendRemain = fsize;
- FDIO.TotalSentAlready = dsize;
- err = NULL;
- errno = 0;
- do {} while ((FileMoveChunked(&FDIO, &err) > 0) && (err == NULL));
- if (err == NULL) {
- unlink(filename);
- }
- else {
- nFailed++;
- QN_syslog(LOG_ERR,
- "failed to append to %s [%s]; rolling back..\n",
- spooloutfilename, strerror(errno)
- );
- /* whoops partial append?? truncate spooloutfilename again! */
- ftruncate(outfd, dsize);
- }
- FDIOBufferDelete(&FDIO);
- close(infd);
- close(outfd);
- network_talking_to(SKEY(NextHop), NTT_REMOVE);
- }
- }
- closedir(dp);
-
- if (nFailed > 0) {
- FreeStrBuf(&NextHop);
- QN_syslog(LOG_INFO,
- "skipping Spoolcleanup because of %d files unprocessed.\n",
- nFailed
- );
-
- return;
- }
-
- /* 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) {
- FreeStrBuf(&NextHop);
- free(d);
- return;
- }
-
- while ((readdir_r(dp, d, &filedir_entry) == 0) &&
- (filedir_entry != NULL))
- {
-#ifdef _DIRENT_HAVE_D_NAMELEN
- d_namelen = filedir_entry->d_namelen;
- d_type = filedir_entry->d_type;
-#else
-
-#ifndef DT_UNKNOWN
-#define DT_UNKNOWN 0
-#define DT_DIR 4
-#define DT_REG 8
-#define DT_LNK 10
-
-#define IFTODT(mode) (((mode) & 0170000) >> 12)
-#define DTTOIF(dirtype) ((dirtype) << 12)
-#endif
- d_namelen = strlen(filedir_entry->d_name);
-#endif
- if ((d_namelen == 1) &&
- (filedir_entry->d_name[0] == '.'))
- continue;
-
- if ((d_namelen == 2) &&
- (filedir_entry->d_name[0] == '.') &&
- (filedir_entry->d_name[1] == '.'))
- continue;
-
- pch = strchr(filedir_entry->d_name, '@');
- if (pch == NULL) /* no @ in name? consolidated file. */
- continue;
-
- StrBufPlain(NextHop,
- filedir_entry->d_name,
- pch - filedir_entry->d_name);
-
- snprintf(filename,
- sizeof filename,
- "%s/%s",
- ctdl_netout_dir,
- filedir_entry->d_name
- );
-
- i = is_valid_node(&nexthop,
- NULL,
- NextHop,
- working_ignetcfg,
- the_netmap);
-
- if ( (i != 0) || (StrLength(nexthop) > 0) ) {
- unlink(filename);
- }
- }
- FreeStrBuf(&NextHop);
- free(d);
- closedir(dp);
-}
-
-
-
-
-/*
- * It's ok if these directories already exist. Just fail silently.
- */
-void create_spool_dirs(void) {
- if ((mkdir(ctdl_spool_dir, 0700) != 0) && (errno != EEXIST))
- syslog(LOG_EMERG, "unable to create directory [%s]: %s", ctdl_spool_dir, strerror(errno));
- if (chown(ctdl_spool_dir, CTDLUID, (-1)) != 0)
- syslog(LOG_EMERG, "unable to set the access rights for [%s]: %s", ctdl_spool_dir, strerror(errno));
- if ((mkdir(ctdl_netin_dir, 0700) != 0) && (errno != EEXIST))
- syslog(LOG_EMERG, "unable to create directory [%s]: %s", ctdl_netin_dir, strerror(errno));
- if (chown(ctdl_netin_dir, CTDLUID, (-1)) != 0)
- syslog(LOG_EMERG, "unable to set the access rights for [%s]: %s", ctdl_netin_dir, strerror(errno));
- if ((mkdir(ctdl_nettmp_dir, 0700) != 0) && (errno != EEXIST))
- syslog(LOG_EMERG, "unable to create directory [%s]: %s", ctdl_nettmp_dir, strerror(errno));
- if (chown(ctdl_nettmp_dir, CTDLUID, (-1)) != 0)
- syslog(LOG_EMERG, "unable to set the access rights for [%s]: %s", ctdl_nettmp_dir, strerror(errno));
- if ((mkdir(ctdl_netout_dir, 0700) != 0) && (errno != EEXIST))
- syslog(LOG_EMERG, "unable to create directory [%s]: %s", ctdl_netout_dir, strerror(errno));
- if (chown(ctdl_netout_dir, CTDLUID, (-1)) != 0)
- syslog(LOG_EMERG, "unable to set the access rights for [%s]: %s", ctdl_netout_dir, strerror(errno));
-}
/*
* Module entry point
{
if (!threading)
{
-// REGISTERRoomCfgType(subpending, ParseSubPendingLine, 0, SerializeSubPendingLine, DeleteSubPendingLine); /// todo: move this to mailinglist manager
-// REGISTERRoomCfgType(unsubpending, ParseUnSubPendingLine0, SerializeUnSubPendingLine, DeleteUnSubPendingLine); /// todo: move this to mailinglist manager
-// REGISTERRoomCfgType(lastsent, ParseLastSent, 1, SerializeLastSent, DeleteLastSent);
-/// REGISTERRoomCfgType(ignet_push_share, ParseIgnetPushShare, 0, SerializeIgnetPushShare, DeleteIgnetPushShare); // todo: move this to the ignet client
- REGISTERRoomCfgType(listrecp, ParseDefault, 0, SerializeGeneric, DeleteGenericCfgLine);
- REGISTERRoomCfgType(digestrecp, ParseDefault, 0, SerializeGeneric, DeleteGenericCfgLine);
- REGISTERRoomCfgType(pop3client, ParseDefault, 0, SerializeGeneric, DeleteGenericCfgLine);/// todo: implement pop3 specific parser
- REGISTERRoomCfgType(rssclient, ParseDefault, 0, SerializeGeneric, DeleteGenericCfgLine); /// todo: implement rss specific parser
- REGISTERRoomCfgType(participate, ParseDefault, 0, SerializeGeneric, DeleteGenericCfgLine);
- REGISTERRoomCfgType(roommailalias, ParseRoomAlias, 0, SerializeGeneric, DeleteGenericCfgLine);
-
- create_spool_dirs();
-//////todo CtdlRegisterCleanupHook(destroy_network_queue_room);
+ //CtdlREGISTERRoomCfgType(subpending, ParseSubPendingLine, 0, 5, SerializeGeneric, DeleteGenericCfgLine);
+ //CtdlREGISTERRoomCfgType(unsubpending, ParseUnSubPendingLine, 0, 4, SerializeGeneric, DeleteGenericCfgLine);
+ //CtdlREGISTERRoomCfgType(lastsent, ParseLastSent, 1, 1, SerializeLastSent, DeleteLastSent);
+ //CtdlREGISTERRoomCfgType(listrecp, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
+ //CtdlREGISTERRoomCfgType(digestrecp, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
+ //CtdlREGISTERRoomCfgType(participate, ParseGeneric, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
+ //CtdlREGISTERRoomCfgType(roommailalias, ParseRoomAlias, 0, 1, SerializeGeneric, DeleteGenericCfgLine);
}
return "network_spool";
}
projects / citadel.git / blobdiff