- const char *LinePos;
- char *Cfg;
- StrBuf *Buf;
- StrBuf *LineBuf;
- HashList *Hash;
- CtdlNodeConf *Node;
-
- Cfg = CtdlGetSysConfig(IGNETCFG);
- if ((Cfg == NULL) || IsEmptyStr(Cfg)) {
- if (Cfg != NULL)
- free(Cfg);
- return NULL;
- }
-
- Hash = NewHash(1, NULL);
- Buf = NewStrBufPlain(Cfg, -1);
- free(Cfg);
- LineBuf = NewStrBufPlain(NULL, StrLength(Buf));
- LinePos = NULL;
- do
- {
- StrBufSipLine(LineBuf, Buf, &LinePos);
- if (StrLength(LineBuf) != 0) {
- Node = NewNode(LineBuf);
- if (Node != NULL) {
- Put(Hash, SKEY(Node->NodeName), Node, DeleteCtdlNodeConf);
- }
- }
- } while (LinePos != StrBufNOTNULL);
- FreeStrBuf(&Buf);
- FreeStrBuf(&LineBuf);
- return Hash;
-}
-
-
-int is_recipient(OneRoomNetCfg *RNCfg, const char *Name)
-{
- const RoomNetCfg RecipientCfgs[] = {
- listrecp,
- digestrecp,
- participate,
- maxRoomNetCfg
- };
- int i;
- RoomNetCfgLine *nptr;
- size_t len;
-
- len = strlen(Name);
- i = 0;
- while (RecipientCfgs[i] != maxRoomNetCfg)
- {
- nptr = RNCfg->NetConfigs[RecipientCfgs[i]];
-
- while (nptr != NULL)
- {
- if ((StrLength(nptr->Value[0]) == len) &&
- (!strcmp(Name, ChrPtr(nptr->Value[0]))))
- {
- return 1;
- }
- nptr = nptr->next;
- }
- i++;
- }
- return 0;
-}
-
-
-
-int CtdlNetconfigCheckRoomaccess(
- char *errmsgbuf,
- size_t n,
- const char* RemoteIdentifier)
-{
- OneRoomNetCfg *RNCfg;
- int found;
-
- if (RemoteIdentifier == NULL)
- {
- snprintf(errmsgbuf, n, "Need sender to permit access.");
- return (ERROR + USERNAME_REQUIRED);
- }
-
- begin_critical_section(S_NETCONFIGS);
- RNCfg = CtdlGetNetCfgForRoom (CC->room.QRnumber);
- if (RNCfg == NULL)
- {
- end_critical_section(S_NETCONFIGS);
- snprintf(errmsgbuf, n,
- "This mailing list only accepts posts from subscribers.");
- return (ERROR + NO_SUCH_USER);
- }
- found = is_recipient (RNCfg, RemoteIdentifier);
- end_critical_section(S_NETCONFIGS);
-
- if (found) {
- return (0);
- }
- else {
- snprintf(errmsgbuf, n,
- "This mailing list only accepts posts from subscribers.");
- return (ERROR + NO_SUCH_USER);
- }
-}
-
-
-
-/*
- * cmd_netp() - authenticate to the server as another Citadel node polling
- * for network traffic
- */
-void cmd_netp(char *cmdbuf)
-{
- struct CitContext *CCC = CC;
- HashList *working_ignetcfg;
- char *node;
- StrBuf *NodeStr;
- long nodelen;
- int v;
- long lens[2];
- const char *strs[2];
-
- const StrBuf *secret = NULL;
- const StrBuf *nexthop = NULL;
- char err_buf[SIZ] = "";
-
- /* Authenticate */
- node = CCC->curr_user;
- nodelen = extract_token(CCC->curr_user, cmdbuf, 0, '|', sizeof CCC->curr_user);
- NodeStr = NewStrBufPlain(node, nodelen);
- /* load the IGnet Configuration to check node validity */
- working_ignetcfg = CtdlLoadIgNetCfg();
- v = CtdlIsValidNode(&nexthop, &secret, NodeStr, working_ignetcfg, NULL);
- if (v != 0) {
- snprintf(err_buf, sizeof err_buf,
- "An unknown Citadel server called \"%s\" attempted to connect from %s [%s].\n",
- node, CCC->cs_host, CCC->cs_addr
- );
- syslog(LOG_WARNING, "%s", err_buf);
- cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED);
-
- strs[0] = CCC->cs_addr;
- lens[0] = strlen(CCC->cs_addr);
-
- strs[1] = "SRV_UNKNOWN";
- lens[1] = sizeof("SRV_UNKNOWN" - 1);
-
- CtdlAideFPMessage(
- err_buf,
- "IGNet Networking.",
- 2, strs, (long*) &lens,
- CCC->cs_pid, 0,
- time(NULL));
-
- DeleteHash(&working_ignetcfg);
- FreeStrBuf(&NodeStr);
- return;
- }
-
- extract_token(CCC->user.password, cmdbuf, 1, '|', sizeof CCC->user.password);
- if (strcasecmp(CCC->user.password, ChrPtr(secret))) {
- snprintf(err_buf, sizeof err_buf,
- "A Citadel server at %s [%s] failed to authenticate as network node \"%s\".\n",
- CCC->cs_host, CCC->cs_addr, node
- );
- syslog(LOG_WARNING, "%s", err_buf);
- cprintf("%d authentication failed\n", ERROR + PASSWORD_REQUIRED);
-
- strs[0] = CCC->cs_addr;
- lens[0] = strlen(CCC->cs_addr);
-
- strs[1] = "SRV_PW";
- lens[1] = sizeof("SRV_PW" - 1);
-
- CtdlAideFPMessage(
- err_buf,
- "IGNet Networking.",
- 2, strs,
- (long*) &lens,
- CCC->cs_pid, 0,
- time(NULL));
-
- DeleteHash(&working_ignetcfg);
- FreeStrBuf(&NodeStr);
- return;
- }
-
- if (CtdlNetworkTalkingTo(node, nodelen, NTT_CHECK)) {
- syslog(LOG_WARNING, "Duplicate session for network node <%s>", node);
- cprintf("%d Already talking to %s right now\n", ERROR + RESOURCE_BUSY, node);
- DeleteHash(&working_ignetcfg);
- FreeStrBuf(&NodeStr);
- return;
- }
- nodelen = safestrncpy(CCC->net_node, node, sizeof CCC->net_node);
- CtdlNetworkTalkingTo(CCC->net_node, nodelen, NTT_ADD);
- syslog(LOG_NOTICE, "Network node <%s> logged in from %s [%s]\n",
- CCC->net_node, CCC->cs_host, CCC->cs_addr
- );
- cprintf("%d authenticated as network node '%s'\n", CIT_OK, CCC->net_node);
- DeleteHash(&working_ignetcfg);
- FreeStrBuf(&NodeStr);
-}
-
-
-/*-----------------------------------------------------------------------------*
- * Network maps: evaluate other nodes *
- *-----------------------------------------------------------------------------*/
-
-void DeleteNetMap(void *vNetMap)
-{
- CtdlNetMap *TheNetMap = (CtdlNetMap*) vNetMap;
- FreeStrBuf(&TheNetMap->NodeName);
- FreeStrBuf(&TheNetMap->NextHop);
- free(TheNetMap);
-}
-
-CtdlNetMap *NewNetMap(StrBuf *SerializedNetMap)
-{
- const char *Pos = NULL;
- CtdlNetMap *NM;
-
- /* we need at least 3 pipes and some other text so its invalid. */
- if (StrLength(SerializedNetMap) < 6)
- return NULL;
- NM = (CtdlNetMap *) malloc(sizeof(CtdlNetMap));
-
- NM->NodeName=NewStrBuf();
- StrBufExtract_NextToken(NM->NodeName, SerializedNetMap, &Pos, '|');
-
- NM->lastcontact = StrBufExtractNext_long(SerializedNetMap, &Pos, '|');
-
- NM->NextHop=NewStrBuf();
- StrBufExtract_NextToken(NM->NextHop, SerializedNetMap, &Pos, '|');
-
- return NM;
-}
-
-HashList* CtdlReadNetworkMap(void)
-{
- const char *LinePos;
- char *Cfg;
- StrBuf *Buf;
- StrBuf *LineBuf;
- HashList *Hash;
- CtdlNetMap *TheNetMap;
-
- Hash = NewHash(1, NULL);
- Cfg = CtdlGetSysConfig(IGNETMAP);
- if ((Cfg == NULL) || IsEmptyStr(Cfg)) {
- if (Cfg != NULL)
- free(Cfg);
- return Hash;
- }
-
- Buf = NewStrBufPlain(Cfg, -1);
- free(Cfg);
- LineBuf = NewStrBufPlain(NULL, StrLength(Buf));
- LinePos = NULL;
- while (StrBufSipLine(Buf, LineBuf, &LinePos))
- {
- TheNetMap = NewNetMap(LineBuf);
- if (TheNetMap != NULL) { /* TODO: is the NodeName Uniq? */
- Put(Hash, SKEY(TheNetMap->NodeName), TheNetMap, DeleteNetMap);
- }
- }
- FreeStrBuf(&Buf);
- FreeStrBuf(&LineBuf);
- return Hash;
-}
-
-StrBuf *CtdlSerializeNetworkMap(HashList *Map)
-{
- void *vMap;
- const char *key;