Revert "serv_rssclient.c: style update"
[citadel.git] / webcit / roomlist.c
diff --git a/webcit/roomlist.c b/webcit/roomlist.c
new file mode 100644 (file)
index 0000000..b9f967c
--- /dev/null
@@ -0,0 +1,979 @@
+/*
+ * room listings and filters.
+ */
+
+#include "webcit.h"
+#include "webserver.h"
+
+typedef enum __eRoomParamType {
+       eNotSet,
+       eDomain,
+       eAlias
+}eRoomParamType;
+
+HashList *GetWhoKnowsHash(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBuf *Line;
+       StrBuf *Token;
+       long State;
+       HashList *Whok = NULL;
+       int Done = 0;
+       int n = 0;
+
+       serv_puts("WHOK");
+       Line = NewStrBuf();
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, &State) == 1) 
+       {
+               Whok = NewHash(1, Flathash);
+               while(!Done && (StrBuf_ServGetln(Line) >= 0) )
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000")) 
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {
+                       
+                               const char *Pos = NULL;
+                               Token = NewStrBufPlain (NULL, StrLength(Line));
+                               StrBufExtract_NextToken(Token, Line, &Pos, '|');
+
+                               Put(Whok, 
+                                   IKEY(n),
+                                   Token, 
+                                   HFreeStrBuf);
+                               n++;
+                       }
+       }
+       else if (State == 550)
+               AppendImportantMessage(_("Higher access is required to access this function."), -1);
+
+
+       FreeStrBuf(&Line);
+       return Whok;
+}
+
+
+void DeleteFloor(void *vFloor)
+{
+       Floor *pFloor;
+       pFloor = (Floor*) vFloor;
+       FreeStrBuf(&pFloor->Name);
+       free(pFloor);
+}
+
+int SortFloorsByNameOrder(const void *vfloor1, const void *vfloor2) 
+{
+       Floor *f1 = (Floor*) GetSearchPayload(vfloor1);
+       Floor *f2 = (Floor*) GetSearchPayload(vfloor2);
+       
+       /* prefer My floor over alpabetical sort */
+       if (f1->ID == VIRTUAL_MY_FLOOR)
+               return 1;
+       if (f2->ID == VIRTUAL_MY_FLOOR)
+               return -1;
+
+       return strcmp(ChrPtr(f1->Name), ChrPtr(f2->Name));
+}
+
+HashList *GetFloorListHash(StrBuf *Target, WCTemplputParams *TP) 
+{
+       int Done = 0;
+       const char *Err;
+       StrBuf *Buf;
+       HashList *floors;
+       HashList *floorsbyname;
+       HashPos *it;
+       Floor *pFloor;
+       void *vFloor;
+       const char *Pos;
+       int i;
+       wcsession *WCC = WC;
+       const char *HashKey;
+       long HKLen;
+
+
+       if (WCC->Floors != NULL)
+               return WCC->Floors;
+       WCC->Floors = floors = NewHash(1, Flathash);
+       WCC->FloorsByName = floorsbyname = NewHash(1, NULL);
+       Buf = NewStrBuf();
+
+       pFloor = (Floor*) malloc(sizeof(Floor));
+       pFloor->ID = VIRTUAL_MY_FLOOR;
+       pFloor->Name = NewStrBufPlain(_("My Folders"), -1);
+       pFloor->NRooms = 0;
+       
+       Put(floors, IKEY(pFloor->ID), pFloor, DeleteFloor);
+       Put(floorsbyname, SKEY(pFloor->Name), pFloor, reference_free_handler);
+
+       serv_puts("LFLR"); /* get floors */
+       StrBufTCP_read_line(Buf, &WC->serv_sock, 0, &Err); /* '100', we hope */
+       if (GetServerStatus(Buf, NULL) == 1) 
+       {
+               while(!Done && StrBuf_ServGetln(Buf) >= 0)
+                       if ( (StrLength(Buf)==3) && 
+                            !strcmp(ChrPtr(Buf), "000")) 
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {
+                       
+                               Pos = NULL;
+
+                               pFloor = (Floor*) malloc(sizeof(Floor));
+                               pFloor->ID = StrBufExtractNext_int(Buf, &Pos, '|');
+                               pFloor->Name = NewStrBufPlain(NULL, StrLength(Buf));
+                               StrBufExtract_NextToken(pFloor->Name, Buf, &Pos, '|');
+                               pFloor->NRooms = StrBufExtractNext_long(Buf, &Pos, '|');
+
+                               Put(floors, IKEY(pFloor->ID), pFloor, DeleteFloor);
+                               Put(floorsbyname, SKEY(pFloor->Name), pFloor, reference_free_handler);
+                       }
+       }
+       FreeStrBuf(&Buf);
+       
+       /* now lets pre-sort them alphabeticaly. */
+       i = 1;
+       SortByPayload(floors, SortFloorsByNameOrder);
+       it = GetNewHashPos(floors, 0);
+       while ( GetNextHashPos(floors, it, &HKLen, &HashKey, &vFloor)) 
+               ((Floor*) vFloor)->AlphaN = i++;
+       DeleteHashPos(&it);
+       SortByHashKeyStr(floors);
+
+       return floors;
+}
+
+HashList *GetZappedRoomListHash(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+
+       if (WCC->Floors == NULL)
+               GetFloorListHash(Target, TP);
+       serv_puts("LZRM -1");
+       return GetRoomListHash(Target, TP);
+}
+HashList *GetRoomListHashLKRA(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+
+       if (WCC->Floors == NULL)
+               GetFloorListHash(Target, TP);
+       if (WCC->Rooms == NULL) 
+       {
+               serv_puts("LKRA");
+               WCC->Rooms =  GetRoomListHash(Target, TP);
+       }
+       return WCC->Rooms;
+}
+
+HashList *GetRoomListHashLPRM(StrBuf *Target, WCTemplputParams *TP) 
+{
+       serv_puts("LPRM");
+       return GetRoomListHash(Target, TP);
+}
+
+
+void FlushIgnetCfgs(folder *room)
+{
+       int i;
+       if (room->IgnetCfgs[maxRoomNetCfg] == (HashList*) StrBufNOTNULL)
+       {
+               for (i = ignet_push_share; i < maxRoomNetCfg; i++)
+                       DeleteHash(&room->IgnetCfgs[i]);
+       }
+       memset(&room->IgnetCfgs, 0, sizeof(HashList *) * (maxRoomNetCfg + 1));
+       room->RoomAlias = NULL;
+
+}
+
+void FlushFolder(folder *room)
+{
+       int i;
+
+       FreeStrBuf(&room->XAPass);
+       FreeStrBuf(&room->Directory);
+       FreeStrBuf(&room->RoomAide);
+       FreeStrBuf(&room->XInfoText);
+       room->XHaveInfoTextLoaded = 0;
+
+       FreeStrBuf(&room->name);
+
+       FlushIgnetCfgs(room);
+
+       if (room->RoomNameParts != NULL)
+       {
+               for (i=0; i < room->nRoomNameParts; i++)
+                       FreeStrBuf(&room->RoomNameParts[i]);
+               free(room->RoomNameParts);
+       }
+       memset(room, 0, sizeof(folder));
+}
+
+void vDeleteFolder(void *vFolder)
+{
+       folder *room;
+
+       room = (folder*) vFolder;
+       FlushFolder(room);
+
+       free(room);
+}
+
+
+HashList *GetRoomListHash(StrBuf *Target, WCTemplputParams *TP) 
+{
+       int Done = 0;
+       HashList *rooms;
+       folder *room;
+       StrBuf *Buf;
+       const char *Pos;
+       void *vFloor;
+       wcsession *WCC = WC;
+       CompareFunc SortIt;
+       WCTemplputParams SubTP;
+
+       Buf = NewStrBuf();
+       rooms = NewHash(1, NULL);
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) == 1) 
+       {
+               while(!Done && (StrBuf_ServGetln(Buf) >= 0))
+                       if ( (StrLength(Buf)==3) && 
+                            !strcmp(ChrPtr(Buf), "000")) 
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {                               
+                               Pos = NULL;
+                               room = (folder*) malloc (sizeof(folder));
+                               memset(room, 0, sizeof(folder));
+
+                               /* Load the base data from the server reply */
+                               room->name = NewStrBufPlain(NULL, StrLength(Buf));
+                               StrBufExtract_NextToken(room->name, Buf, &Pos, '|');
+
+                               room->QRFlags = StrBufExtractNext_long(Buf, &Pos, '|');
+                               room->floorid = StrBufExtractNext_int(Buf, &Pos, '|');
+                               room->Order = StrBufExtractNext_long(Buf, &Pos, '|');
+                               room->QRFlags2 = StrBufExtractNext_long(Buf, &Pos, '|');
+
+                               room->RAFlags = StrBufExtractNext_long(Buf, &Pos, '|');
+
+/*
+  ACWHUT?
+  room->ACL = NewStrBufPlain(NULL, StrLength(Buf));
+  StrBufExtract_NextToken(room->ACL, Buf, &Pos, '|');
+*/
+
+                               room->view = StrBufExtractNext_long(Buf, &Pos, '|');
+                               room->defview = StrBufExtractNext_long(Buf, &Pos, '|');
+                               room->lastchange = StrBufExtractNext_long(Buf, &Pos, '|');
+
+                               /* Evaluate the Server sent data for later use */
+                               /* find out, whether we are in a sub-room */
+                               room->nRoomNameParts = StrBufNum_tokens(room->name, '\\');
+                               if (room->nRoomNameParts > 1)
+                               {
+                                       int i;
+
+                                       Pos = NULL;
+                                       room->RoomNameParts = malloc(sizeof(StrBuf*) * (room->nRoomNameParts + 1));
+                                       memset(room->RoomNameParts, 0, sizeof(StrBuf*) * (room->nRoomNameParts + 1));
+                                       for (i=0; i < room->nRoomNameParts; i++)
+                                       {
+                                               room->RoomNameParts[i] = NewStrBuf();
+                                               StrBufExtract_NextToken(room->RoomNameParts[i],
+                                                                       room->name, &Pos, '\\');
+                                       }
+                               }
+
+                               /* Private mailboxes on the main floor get remapped to the personal folder */
+                               if ((room->QRFlags & QR_MAILBOX) && 
+                                   (room->floorid == 0))
+                               {
+                                       room->floorid = VIRTUAL_MY_FLOOR;
+                                       if ((room->nRoomNameParts == 1) && 
+                                           (StrLength(room->name) == 4) && 
+                                           (strcmp(ChrPtr(room->name), "Mail") == 0))
+                                       {
+                                               room->is_inbox = 1;
+                                       }
+
+                               }
+                               /* get a pointer to the floor we're on: */
+                               GetHash(WCC->Floors, IKEY(room->floorid), &vFloor);
+                               room->Floor = (const Floor*) vFloor;
+
+
+
+                               /* now we know everything, remember it... */
+                               Put(rooms, SKEY(room->name), room, vDeleteFolder);
+                       }
+       }
+
+       SubTP.Filter.ContextType = CTX_ROOMS;
+       SortIt = RetrieveSort(&SubTP, NULL, 0, HKEY("fileunsorted"), 0);
+       if (SortIt != NULL)
+               SortByPayload(rooms, SortIt);
+       else 
+               SortByPayload(rooms, SortRoomsByListOrder);
+       FreeStrBuf(&Buf);
+       return rooms;
+}
+
+HashList *GetThisRoomMAlias(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+       StrBuf *Line;
+       StrBuf *Token;
+       HashList *Aliases = NULL;
+       const char *pComma;
+       long aliaslen;
+       long locallen;
+       long State;
+       
+       serv_puts("GNET "FILE_MAILALIAS);
+       Line = NewStrBuf();
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, &State) == 1) 
+       {
+               int Done = 0;
+               int n = 0;
+
+               Aliases = NewHash(1, NULL);
+               while(!Done && (StrBuf_ServGetln(Line) >= 0))
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000"))
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {
+                               pComma = strchr(ChrPtr(Line), ',');
+                               if (pComma == NULL)
+                                       continue;
+                               aliaslen = pComma - ChrPtr(Line);
+                               locallen = StrLength(Line) - 1 - aliaslen;
+                               if (locallen - 5 != StrLength(WCC->CurRoom.name))
+                                       continue;
+                               if (strncmp(pComma + 1, "room_", 5) != 0)
+                                       continue;
+
+                               if (strcasecmp(pComma + 6, ChrPtr(WCC->CurRoom.name)) != 0)
+                                       continue;
+                               Token = NewStrBufPlain(ChrPtr(Line), aliaslen);
+                               Put(Aliases, 
+                                   IKEY(n),
+                                   Token, 
+                                   HFreeStrBuf);
+                               n++;
+                       }
+       }
+       else if (State == 550)
+               AppendImportantMessage(_("Higher access is required to access this function."), -1);
+
+       FreeStrBuf(&Line);
+
+       return Aliases;
+}
+
+
+void AppendPossibleAliasWithDomain(
+       HashList *PossibleAliases,
+       long *nPossibleAliases,
+       const HashList *Domains, 
+       const char *prefix,
+       long len,
+       const char* Alias,
+       long AliasLen)
+{
+       const StrBuf *OneDomain;
+       StrBuf *Line;
+       HashPos *It = NULL;
+       const char *Key;
+       long KLen;
+       void *pV;
+       int n;
+
+       It = GetNewHashPos(Domains, 1);
+       n = *nPossibleAliases;
+       while (GetNextHashPos(Domains, It, &KLen, &Key, &pV))
+       {
+               OneDomain = (const StrBuf*) pV;
+               Line = NewStrBuf();
+               StrBufAppendBufPlain(Line, prefix, len, 0);
+               StrBufAppendBufPlain(Line, Alias, AliasLen, 0);
+               StrBufAppendBufPlain(Line, HKEY("@"), 0);
+               StrBufAppendBuf(Line, OneDomain, 0);
+
+               Put(PossibleAliases, 
+                   IKEY(n),
+                   Line, 
+                   HFreeStrBuf);
+               n++;
+       }
+       DeleteHashPos(&It);
+       *nPossibleAliases = n;
+}
+
+HashList *GetThisRoomPossibleMAlias(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+       HashList *Domains;
+       StrBuf *Line;
+       StrBuf *Token;
+       StrBuf *RoomName;
+       HashList *PossibleAliases = NULL;
+       
+       const char *pComma;
+       const char *pAt;
+       long aliaslen;
+       long locallen;
+       long State;
+       long n = 0;
+
+       Domains = GetValidDomainNames(Target, TP);
+       if (Domains == NULL)
+               return NULL;
+       if (GetCount(Domains) == 0) {
+               DeleteHash(&Domains);
+               return NULL;
+       }
+       PossibleAliases = NewHash(1, NULL);
+       Line = NewStrBuf();
+       RoomName = NewStrBufDup(WCC->CurRoom.name);
+       StrBufAsciify(RoomName, '_');
+       StrBufReplaceChars(RoomName, ' ', '_');
+
+       AppendPossibleAliasWithDomain(PossibleAliases,
+                                     &n,
+                                     Domains,
+                                     HKEY("room_"),
+                                     SKEY(RoomName));
+
+
+       serv_puts("GNET "FILE_MAILALIAS);
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, &State) == 1) 
+       {
+               int Done = 0;
+
+               while(!Done && (StrBuf_ServGetln(Line) >= 0))
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000"))
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {
+                               pComma = strchr(ChrPtr(Line), ',');
+                               if (pComma == NULL)
+                                       continue;
+                               aliaslen = pComma - ChrPtr(Line);
+                               locallen = StrLength(Line) - 1 - aliaslen;
+                               if (locallen - 5 != StrLength(WCC->CurRoom.name))
+                                       continue;
+                               if (strncmp(pComma + 1, "room_", 5) != 0)
+                                       continue;
+
+                               if (strcasecmp(pComma + 6, ChrPtr(WCC->CurRoom.name)) != 0)
+                                       continue;
+                               pAt = strchr(ChrPtr(Line), '@');
+                               if ((pAt == NULL) || (pAt > pComma))
+                               {
+                                       AppendPossibleAliasWithDomain(PossibleAliases,
+                                                                     &n,
+                                                                     Domains,
+                                                                     HKEY(""),
+                                                                     ChrPtr(Line),
+                                                                     aliaslen);
+                                       n++;
+                               }
+                               else
+                               {
+                                       
+                                       Token = NewStrBufPlain(ChrPtr(Line), aliaslen);
+                                       Put(PossibleAliases,
+                                           IKEY(n),
+                                           Token,
+                                           HFreeStrBuf);
+                                       n++;
+                               }
+                       }
+       }
+       else if (State == 550)
+               AppendImportantMessage(_("Higher access is required to access this function."), -1);
+       DeleteHash(&Domains);
+       FreeStrBuf(&Line);
+       FreeStrBuf(&RoomName);
+       return PossibleAliases;
+}
+
+
+HashList *GetNetConfigHash(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+       StrBuf *Line;
+       StrBuf *Token;
+       StrBuf *Content;
+       long WantThisOne;
+       long PutTo;
+       long State;
+       
+       WantThisOne = GetTemplateTokenNumber(Target, TP, 5, -1);
+       if ((WantThisOne < 0) || (WantThisOne > maxRoomNetCfg))
+               return NULL;
+       if (WCC->CurRoom.IgnetCfgs[maxRoomNetCfg] == (HashList*) StrBufNOTNULL)
+               return WCC->CurRoom.IgnetCfgs[WantThisOne];
+
+       WCC->CurRoom.IgnetCfgs[maxRoomNetCfg] = (HashList*) StrBufNOTNULL;
+       serv_puts("GNET");
+       Line = NewStrBuf();
+       Token = NewStrBuf();
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, &State) == 1) 
+       {
+               const char *Pos = NULL;
+               int Done = 0;
+               int HaveRoomMailAlias = 0;
+
+               while(!Done && (StrBuf_ServGetln(Line) >= 0))
+               {
+                       if (StrLength(Line) == 0)
+                               continue;
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000"))
+                       {
+                               Done = 1;
+                       }
+                       else
+                       {
+                               StrBufExtract_NextToken(Token, Line, &Pos, '|');
+                               PutTo = GetTokenDefine(SKEY(Token), -1);
+                               if (PutTo == roommailalias)
+                               {
+                                       if (HaveRoomMailAlias > 0)
+                                               continue; /* Only ONE alias possible! */
+                                       HaveRoomMailAlias++;
+                               }
+                               if ((PutTo >= 0) && 
+                                   (PutTo < maxRoomNetCfg) &&
+                                   (Pos != StrBufNOTNULL))
+                               {
+                                       int n;
+                                       HashList *SubH;
+                                       
+                                       if (WCC->CurRoom.IgnetCfgs[PutTo] == NULL)
+                                       {
+                                               n = 0;
+                                               WCC->CurRoom.IgnetCfgs[PutTo] = NewHash(1, NULL);
+                                       }
+                                       else 
+                                       {
+                                               n = GetCount(WCC->CurRoom.IgnetCfgs[PutTo]);
+                                       }
+                                       SubH = NewHash(1, NULL);
+                                       Put(WCC->CurRoom.IgnetCfgs[PutTo], 
+                                           IKEY(n),
+                                           SubH, 
+                                           HDeleteHash);
+                                       n = 1; /* #0 is the type... */
+                                       while (Pos != StrBufNOTNULL) {
+                                               Content = NewStrBuf();
+                                               StrBufExtract_NextToken(Content, Line, &Pos, '|');
+
+                                               if ((PutTo == roommailalias) && n == 1)
+                                                       WCC->CurRoom.RoomAlias = Content;
+
+                                               Put(SubH, 
+                                                   IKEY(n),
+                                                   Content, 
+                                                   HFreeStrBuf);
+                                               n++;
+                                       }
+                               }
+                               Pos = NULL;
+                       }
+               }
+       }
+       else if (State == 550)
+               AppendImportantMessage(_("Higher access is required to access this function."), -1);
+
+       FreeStrBuf(&Line);
+       FreeStrBuf(&Token);
+
+       return WCC->CurRoom.IgnetCfgs[WantThisOne];
+}
+
+/** Unused function that orders rooms by the listorder flag */
+int SortRoomsByListOrder(const void *room1, const void *room2) 
+{
+       folder *r1 = (folder*) GetSearchPayload(room1);
+       folder *r2 = (folder*) GetSearchPayload(room2);
+  
+       if (r1->Order == r2->Order) return 0;
+       if (r1->Order > r2->Order) return 1;
+       return -1;
+}
+
+int CompareRoomListByFloorRoomPrivFirst(const void *room1, const void *room2) 
+{
+       folder *r1 = (folder*) GetSearchPayload(room1);
+       folder *r2 = (folder*) GetSearchPayload(room2);
+  
+       if ((r1->Floor == NULL)  ||
+           (r2->Floor == NULL))
+               return 0;
+               
+       /**
+        * are we on the same floor? else sort by floor.
+        */
+       if (r1->Floor != r2->Floor)
+       {
+               /**
+                * the private rooms are first in any case.
+                */
+               if (r1->Floor->ID == VIRTUAL_MY_FLOOR)
+                       return -1;
+               if (r2->Floor->ID == VIRTUAL_MY_FLOOR)
+                       return 1;
+               /**
+                * else decide alpaheticaly by floorname
+                */
+               return (r1->Floor->AlphaN > r2->Floor->AlphaN)? 1 : -1;
+       }
+
+       /**
+        * if we have different levels of subdirectories, 
+        * we want the toplevel to be first, regardless of sort
+        * sequence.
+        */
+       if (((r1->nRoomNameParts > 1) || 
+           (r2->nRoomNameParts > 1)    )&&
+           (r1->nRoomNameParts != r2->nRoomNameParts))
+       {
+               int i, ret;
+               int nparts = (r1->nRoomNameParts > r2->nRoomNameParts)?
+                       r2->nRoomNameParts : r1->nRoomNameParts;
+
+               for (i=0; i < nparts; i++)
+               {
+                       ret = strcmp (ChrPtr(r1->name), 
+                                     ChrPtr(r2->name));
+                       /**
+                        * Deltas in common parts? exit here.
+                        */
+                       if (ret != 0) 
+                               return ret;
+               }
+
+               /**
+                * who's a subdirectory of whom?
+                */
+               if (r1->nRoomNameParts > r2->nRoomNameParts)
+                       return 1;
+               else
+                       return -1;
+
+       }
+
+       /**
+        * else just sort alphabeticaly.
+        */
+       return strcmp (ChrPtr(r1->name), 
+                      ChrPtr(r2->name));
+}
+
+int CompareRoomListByFloorRoomPrivFirstRev(const void *room1, const void *room2) 
+{
+       folder *r1 = (folder*) GetSearchPayload(room1);
+       folder *r2 = (folder*) GetSearchPayload(room2);
+
+       if ((r1->Floor == NULL)  ||
+           (r2->Floor == NULL))
+               return 0;
+
+       /**
+        * are we on the same floor? else sort by floor.
+        */
+       if (r2->Floor != r1->Floor)
+       {
+               /**
+                * the private rooms are first in any case.
+                */
+               if (r1->Floor->ID == VIRTUAL_MY_FLOOR)
+                       return -1;
+               if (r2->Floor->ID == VIRTUAL_MY_FLOOR)
+                       return 1;
+               /**
+                * else decide alpaheticaly by floorname
+                */
+
+               return (r1->Floor->AlphaN < r2->Floor->AlphaN)? 1 : -1;
+       }
+
+       /**
+        * if we have different levels of subdirectories, 
+        * we want the toplevel to be first, regardless of sort
+        * sequence.
+        */
+       if (((r1->nRoomNameParts > 1) || 
+           (r2->nRoomNameParts > 1)    )&&
+           (r1->nRoomNameParts != r2->nRoomNameParts))
+       {
+               int i, ret;
+               int nparts = (r1->nRoomNameParts > r2->nRoomNameParts)?
+                       r2->nRoomNameParts : r1->nRoomNameParts;
+
+               for (i=0; i < nparts; i++)
+               {
+                       /**
+                        * special cases if one room is top-level...
+                        */
+                       if (r2->nRoomNameParts == 1)
+                               ret = strcmp (ChrPtr(r2->name), 
+                                             ChrPtr(r1->RoomNameParts[i]));
+                       else if (r1->nRoomNameParts == 1)
+                               ret = strcmp (ChrPtr(r2->RoomNameParts[i]),
+                                             ChrPtr(r1->name));
+                       else 
+                               ret = strcmp (ChrPtr(r2->RoomNameParts[i]), 
+                                             ChrPtr(r1->RoomNameParts[i]));
+                       /**
+                        * Deltas in common parts? exit here.
+                        */
+                       if (ret != 0) 
+                               return ret;
+               }
+
+               /**
+                * who's a subdirectory of whom?
+                */
+               if (r1->nRoomNameParts > r2->nRoomNameParts)
+                       return 1;
+               else
+                       return -1;
+       }
+
+       return strcmp (ChrPtr(r2->name), 
+                      ChrPtr(r1->name));
+}
+
+int GroupchangeRoomListByFloorRoomPrivFirst(const void *room1, const void *room2) 
+{
+       folder *r1 = (folder*) room1;
+       folder *r2 = (folder*) room2;
+  
+
+       if ((r1->Floor == NULL)  ||
+           (r2->Floor == NULL))
+               return 0;
+               
+       if (r1->Floor == r2->Floor)
+               return 0;
+       else 
+       {
+               wcsession *WCC = WC;
+               static int columns = 3;
+               int boxes_per_column = 0;
+               int nf;
+
+               nf = GetCount(WCC->Floors);
+               while (nf % columns != 0) ++nf;
+               boxes_per_column = (nf / columns);
+               if (boxes_per_column < 1)
+                       boxes_per_column = 1;
+               if (r1->Floor->AlphaN % boxes_per_column == 0)
+                       return 2;
+               else 
+                       return 1;
+       }
+}
+
+
+int CompareRooms(const folder *room1, const folder *room2) 
+{
+       if ((room1 == NULL) || (room2 == NULL))
+               return -1;
+       return CompareRoomListByFloorRoomPrivFirst(room1, room2);
+}
+
+int ConditionalThisRoomIsStrBufContextAlias(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession       *WCC = WC;
+       const char      *pVal;
+       long             len;
+       eRoomParamType   ParamType;
+
+       ParamType = GetTemplateTokenNumber(Target, TP, 2, eNotSet);
+       GetTemplateTokenString(Target, TP, 3, &pVal, &len);
+
+       if (ParamType == eNotSet)
+       {
+               return StrLength(WCC->CurRoom.RoomAlias) == 0;
+       }
+       else if (ParamType == eDomain)
+       {
+               const StrBuf *CtxStr = (const StrBuf*) CTX(CTX_STRBUF);
+               const char *pAt;
+
+               if (CtxStr == NULL) 
+                       return 0;
+               
+               if (StrLength(WCC->CurRoom.RoomAlias) == 0)
+                       return 0;
+
+               if (strncmp(ChrPtr(WCC->CurRoom.RoomAlias), "room_", 5) != 0)
+                       return 0;
+
+               pAt = strchr(ChrPtr(WCC->CurRoom.RoomAlias), '@');
+               if (pAt == NULL)
+                       return 0;
+               return strcmp(pAt + 1, ChrPtr(CtxStr)) == 0;
+       }
+       else if (ParamType == eAlias)
+       {
+               const StrBuf *CtxStr = (const StrBuf*) CTX(CTX_STRBUF);
+
+               if (CtxStr == NULL) 
+                       return 0;
+               
+               if (StrLength(WCC->CurRoom.RoomAlias) == 0)
+                       return 0;
+
+               return strcmp(ChrPtr(WCC->CurRoom.RoomAlias), ChrPtr(CtxStr)) == 0;
+       }
+       else
+       {
+               LogTemplateError(Target, "TokenParameter", 2, TP, 
+                                "Invalid paramtype; need one of [eNotSet|eDomain|eAlias]");
+               return 0;
+       }
+
+}
+
+int ConditionalRoomIsRESTSubRoom(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession  *WCC = WC;
+       folder     *Folder = (folder *)CTX(CTX_ROOMS);
+       HashPos    *it;
+       StrBuf     * Dir;
+       void       *vDir;
+       long        len;
+        const char *Key;
+       int i, j, urlp;
+       int delta;
+
+
+       /* list only folders relative to the current floor... */
+       if (Folder->Floor != WCC->CurrentFloor)
+               return 0;
+
+       urlp = GetCount(WCC->Directory);
+       delta = Folder->nRoomNameParts - urlp + 1;
+
+       syslog(LOG_DEBUG, "\n->%s: %d - %ld ", 
+              ChrPtr(Folder->name), 
+              urlp, 
+              Folder->nRoomNameParts);
+       /* list only the floors which are in relation to the dav_depth header */
+       if (WCC->Hdr->HR.dav_depth != delta) {
+               syslog(LOG_DEBUG, "1\n");
+               return 0;
+       }
+
+
+       it = GetNewHashPos(WCC->Directory, 0);
+       /* Fast forward the floorname we checked above... */
+       GetNextHashPos(WCC->Directory, it, &len, &Key, &vDir);
+
+       if (Folder->nRoomNameParts > 1) {               
+               for (i = 0, j = 1; 
+                    (i > Folder->nRoomNameParts) && (j > urlp); 
+                    i++, j++)
+               {
+                       if (!GetNextHashPos(WCC->Directory, 
+                                           it, &len, &Key, &vDir) ||
+                           (vDir == NULL))
+                       {
+                               DeleteHashPos(&it);
+
+                               syslog(LOG_DEBUG, "3\n");
+                               return 0;
+                       }
+                       Dir = (StrBuf*) vDir;
+                       if (strcmp(ChrPtr(Folder->RoomNameParts[i]), 
+                                  ChrPtr(Dir)) != 0)
+                       {
+                               DeleteHashPos(&it);
+                               syslog(LOG_DEBUG, "4\n");
+                               return 0;
+                       }
+               }
+               DeleteHashPos(&it);
+               return 1;
+       }
+       else {
+               if (!GetNextHashPos(WCC->Directory, 
+                                   it, &len, &Key, &vDir) ||
+                   (vDir == NULL))
+               {
+                       DeleteHashPos(&it);
+                       
+                       syslog(LOG_DEBUG, "5\n");
+                       return WCC->Hdr->HR.dav_depth == 1;
+               }
+               DeleteHashPos(&it);
+               Dir = (StrBuf*) vDir;
+               if (WCC->Hdr->HR.dav_depth == 0) {
+                       return (strcmp(ChrPtr(Folder->name), 
+                                      ChrPtr(Dir))
+                               == 0);
+
+               }
+               return 0;
+       }
+}
+
+
+void 
+InitModule_ROOMLIST
+(void)
+{
+       /* we duplicate this, just to be shure its already done. */
+       RegisterCTX(CTX_ROOMS);
+       RegisterCTX(CTX_FLOORS);
+
+       RegisterIterator("ITERATE:THISROOM:WHO_KNOWS", 0, NULL, GetWhoKnowsHash, NULL, DeleteHash, CTX_STRBUF, CTX_NONE, IT_NOFLAG);
+       RegisterIterator("ITERATE:THISROOM:GNET", 1, NULL, GetNetConfigHash, NULL, NULL, CTX_STRBUFARR, CTX_NONE, IT_NOFLAG);
+       RegisterIterator("ITERATE:THISROOM:MALIAS", 1, NULL, GetThisRoomMAlias, NULL, DeleteHash, CTX_STRBUF, CTX_NONE, IT_NOFLAG);
+       RegisterIterator("ITERATE:THISROOM:POSSIBLE:MALIAS", 1, NULL, GetThisRoomPossibleMAlias, NULL, DeleteHash, CTX_STRBUF, CTX_NONE, IT_NOFLAG);
+
+       RegisterIterator("LFLR", 0, NULL, GetFloorListHash, NULL, NULL, CTX_FLOORS, CTX_NONE, IT_FLAG_DETECT_GROUPCHANGE);
+       RegisterIterator("LKRA", 0, NULL, GetRoomListHashLKRA, NULL, NULL, CTX_ROOMS, CTX_NONE, IT_FLAG_DETECT_GROUPCHANGE);
+       RegisterIterator("LZRM", 0, NULL, GetZappedRoomListHash, NULL, DeleteHash, CTX_ROOMS, CTX_NONE, IT_FLAG_DETECT_GROUPCHANGE);
+       RegisterIterator("LPRM", 0, NULL, GetRoomListHashLPRM, NULL, DeleteHash, CTX_ROOMS, CTX_NONE, IT_FLAG_DETECT_GROUPCHANGE);
+
+
+       REGISTERTokenParamDefine(eNotSet);
+       REGISTERTokenParamDefine(eDomain);
+       REGISTERTokenParamDefine(eAlias);
+
+
+       RegisterConditional("COND:ROOM:REST:ISSUBROOM", 0, ConditionalRoomIsRESTSubRoom, CTX_ROOMS);
+
+       RegisterConditional("COND:THISROOM:ISALIAS:CONTEXTSTR", 0, ConditionalThisRoomIsStrBufContextAlias, CTX_NONE);
+
+       RegisterSortFunc(HKEY("byfloorroom"),
+                        NULL, 0,
+                        CompareRoomListByFloorRoomPrivFirst,
+                        CompareRoomListByFloorRoomPrivFirstRev,
+                        GroupchangeRoomListByFloorRoomPrivFirst,
+                        CTX_ROOMS);
+
+}