+++ /dev/null
-// Server functions which perform operations on room objects.
-//
-// Copyright (c) 1987-2022 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.
-
-#include <stdio.h>
-#include <libcitadel.h>
-
-#include "citserver.h"
-#include "ctdl_module.h"
-#include "config.h"
-#include "control.h"
-#include "user_ops.h"
-#include "room_ops.h"
-
-struct floor *floorcache[MAXFLOORS];
-
-// Determine whether the currently logged in session has permission to read
-// messages in the current room.
-int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
- if ( (!(CC->logged_in))
- && (!(CC->internal_pgm))
- && (!CtdlGetConfigInt("c_guest_logins"))
- ) {
- return(om_not_logged_in);
- }
- return(om_ok);
-}
-
-
-// Check to see whether we have permission to post a message in the current
-// room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
-// returns 0 on success.
-int CtdlDoIHavePermissionToPostInThisRoom(
- char *errmsgbuf,
- size_t n,
- const char* RemoteIdentifier,
- PostType PostPublic,
- int is_reply
-) {
- int ra;
-
- if (!(CC->logged_in) && (PostPublic == POST_LOGGED_IN)) {
- snprintf(errmsgbuf, n, "Not logged in.");
- return (ERROR + NOT_LOGGED_IN);
- }
- else if (PostPublic == CHECK_EXIST) {
- return (0); // evaluate whether a recipient exists
- }
- else if (!(CC->logged_in)) {
- if ((CC->room.QRflags & QR_READONLY)) {
- snprintf(errmsgbuf, n, "Not logged in.");
- return (ERROR + NOT_LOGGED_IN);
- }
- return (0);
- }
-
- if ((CC->user.axlevel < AxProbU) && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
- snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
- return (ERROR + HIGHER_ACCESS_REQUIRED);
- }
-
- CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
-
- if (ra & UA_POSTALLOWED) {
- strcpy(errmsgbuf, "OK to post or reply here");
- return(0);
- }
-
- if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
- // To be thorough, we ought to check to see if the message they are
- // replying to is actually a valid one in this room, but unless this
- // actually becomes a problem we'll go with high performance instead.
- strcpy(errmsgbuf, "OK to reply here");
- return(0);
- }
-
- if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
- // Clarify what happened with a better error message
- snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
- return (ERROR + HIGHER_ACCESS_REQUIRED);
- }
-
- snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
- return (ERROR + HIGHER_ACCESS_REQUIRED);
-
-}
-
-
-// Check whether the current user has permission to delete messages from
-// the current room (returns 1 for yes, 0 for no)
-int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
- int ra;
- CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
- if (ra & UA_DELETEALLOWED) return(1);
- return(0);
-}
-
-
-// Retrieve access control information for any user/room pair.
-// Yes, it has a couple of gotos. If you don't like that, go die in a car fire.
-void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf, int *result, int *view) {
- int retval = 0;
- visit vbuf;
- int is_me = 0;
- int is_guest = 0;
-
- if (userbuf == &CC->user) {
- is_me = 1;
- }
-
- if ((is_me) && (CtdlGetConfigInt("c_guest_logins")) && (!CC->logged_in)) {
- is_guest = 1;
- }
-
- // for internal programs, always do everything
- if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
- retval = (UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED);
- vbuf.v_view = 0;
- goto SKIP_EVERYTHING;
- }
-
- // If guest mode is enabled, always grant access to the Lobby
- if ((is_guest) && (!strcasecmp(roombuf->QRname, BASEROOM))) {
- retval = (UA_KNOWN | UA_GOTOALLOWED);
- vbuf.v_view = 0;
- goto SKIP_EVERYTHING;
- }
-
- // Locate any applicable user/room relationships
- if (is_guest) {
- memset(&vbuf, 0, sizeof vbuf);
- }
- else {
- CtdlGetRelationship(&vbuf, userbuf, roombuf);
- }
-
- // Force the properties of the Aide room
- if (!strcasecmp(roombuf->QRname, CtdlGetConfigStr("c_aideroom"))) {
- if (userbuf->axlevel >= AxAideU) {
- retval = UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED;
- } else {
- retval = 0;
- }
- goto NEWMSG;
- }
-
- // If this is a public room, it's accessible...
- if ( ((roombuf->QRflags & QR_PRIVATE) == 0)
- && ((roombuf->QRflags & QR_MAILBOX) == 0)
- ) {
- retval = retval | UA_KNOWN | UA_GOTOALLOWED;
- }
-
- // If this is a preferred users only room, check access level
- if (roombuf->QRflags & QR_PREFONLY) {
- if (userbuf->axlevel < AxPrefU) {
- retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
- }
- }
-
- // For private rooms, check the generation number matchups
- if ( (roombuf->QRflags & QR_PRIVATE)
- && ((roombuf->QRflags & QR_MAILBOX) == 0)
- ) {
-
- // An explicit match means the user belongs in this room
- if (vbuf.v_flags & V_ACCESS) {
- retval = retval | UA_KNOWN | UA_GOTOALLOWED;
- }
- // Otherwise, check if this is a guess-name or passworded
- // room. If it is, a goto may at least be attempted
- else if ( (roombuf->QRflags & QR_PRIVATE)
- || (roombuf->QRflags & QR_PASSWORDED)
- ) {
- retval = retval & ~UA_KNOWN;
- retval = retval | UA_GOTOALLOWED;
- }
- }
-
- // For mailbox rooms, also check the namespace. Also, mailbox owners can delete their messages
- if ( (roombuf->QRflags & QR_MAILBOX) && (atol(roombuf->QRname) != 0)) {
- if (userbuf->usernum == atol(roombuf->QRname)) {
- retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED;
- }
- // An explicit match means the user belongs in this room
- if (vbuf.v_flags & V_ACCESS) {
- retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED;
- }
- }
-
- // For non-mailbox rooms...
- else {
- // User is allowed to post in the room unless:
- // - User is not validated
- // - User has no net privileges and it is a shared network room
- // - It is a read-only room
- // - It is a blog room (in which case we only allow replies to existing messages)
- int post_allowed = 1;
- int reply_allowed = 1;
- if (userbuf->axlevel < AxProbU) {
- post_allowed = 0;
- reply_allowed = 0;
- }
- if ((userbuf->axlevel < AxNetU) && (roombuf->QRflags & QR_NETWORK)) {
- post_allowed = 0;
- reply_allowed = 0;
- }
- if (roombuf->QRflags & QR_READONLY) {
- post_allowed = 0;
- reply_allowed = 0;
- }
- if (roombuf->QRdefaultview == VIEW_BLOG) {
- post_allowed = 0;
- }
- if (post_allowed) {
- retval = retval | UA_POSTALLOWED | UA_REPLYALLOWED;
- }
- if (reply_allowed) {
- retval = retval | UA_REPLYALLOWED;
- }
-
- // If "collaborative deletion" is active for this room, any user who can post
- // is also allowed to delete
- if (roombuf->QRflags2 & QR2_COLLABDEL) {
- if (retval & UA_POSTALLOWED) {
- retval = retval | UA_DELETEALLOWED;
- }
- }
-
- }
-
- // Check to see if the user has forgotten this room
- if (vbuf.v_flags & V_FORGET) {
- retval = retval & ~UA_KNOWN;
- if ( ( ((roombuf->QRflags & QR_PRIVATE) == 0)
- && ((roombuf->QRflags & QR_MAILBOX) == 0)
- ) || ( (roombuf->QRflags & QR_MAILBOX)
- && (atol(roombuf->QRname) == CC->user.usernum))
- ) {
- retval = retval | UA_ZAPPED;
- }
- }
-
- // If user is explicitly locked out of this room, deny everything
- if (vbuf.v_flags & V_LOCKOUT) {
- retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED & ~UA_POSTALLOWED & ~UA_REPLYALLOWED;
- }
-
- // Aides get access to all private rooms
- if ( (userbuf->axlevel >= AxAideU)
- && ((roombuf->QRflags & QR_MAILBOX) == 0)
- ) {
- if (vbuf.v_flags & V_FORGET) {
- retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
- }
- else {
- retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
- }
- }
-
- // Aides can gain access to mailboxes as well, but they don't show by default.
- if ( (userbuf->axlevel >= AxAideU)
- && (roombuf->QRflags & QR_MAILBOX)
- ) {
- retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
- }
-
- // Aides and Room Aides have admin privileges
- if ( (userbuf->axlevel >= AxAideU)
- || (userbuf->usernum == roombuf->QRroomaide)
- ) {
- retval = retval | UA_ADMINALLOWED | UA_DELETEALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
- }
-
-NEWMSG: // By the way, we also check for the presence of new messages
- if (is_msg_in_sequence_set(vbuf.v_seen, roombuf->QRhighest) == 0) {
- retval = retval | UA_HASNEWMSGS;
- }
-
- // System rooms never show up in the list.
- if (roombuf->QRflags2 & QR2_SYSTEM) {
- retval = retval & ~UA_KNOWN;
- }
-
-SKIP_EVERYTHING:
- // Now give the caller the information it wants.
- if (result != NULL) *result = retval;
- if (view != NULL) *view = vbuf.v_view;
-}
-
-
-// Self-checking stuff for a room record read into memory
-void room_sanity_check(struct ctdlroom *qrbuf) {
- // Mailbox rooms are always on the lowest floor
- if (qrbuf->QRflags & QR_MAILBOX) {
- qrbuf->QRfloor = 0;
- }
- // Listing order of 0 is illegal except for base rooms
- if (qrbuf->QRorder == 0) {
- if ( !(qrbuf->QRflags & QR_MAILBOX)
- && strncasecmp(qrbuf->QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)
- && strncasecmp(qrbuf->QRname, CtdlGetConfigStr("c_aideroom"), ROOMNAMELEN)
- ) {
- qrbuf->QRorder = 64;
- }
- }
-}
-
-
-// CtdlGetRoom() - retrieve room data from disk
-int CtdlGetRoom(struct ctdlroom *qrbuf, const char *room_name) {
- struct cdbdata *cdbqr;
- char lowercase_name[ROOMNAMELEN];
- char personal_lowercase_name[ROOMNAMELEN];
- const char *sptr;
- char *dptr, *eptr;
-
- dptr = lowercase_name;
- sptr = room_name;
- eptr = (dptr + (sizeof lowercase_name - 1));
- while (!IsEmptyStr(sptr) && (dptr < eptr)) {
- *dptr = tolower(*sptr);
- sptr++; dptr++;
- }
- *dptr = '\0';
-
- memset(qrbuf, 0, sizeof(struct ctdlroom));
-
- if (IsEmptyStr(lowercase_name)) {
- return(1); // empty room name , not valid
- }
-
- // First, try the public namespace
- cdbqr = cdb_fetch(CDB_ROOMS, lowercase_name, strlen(lowercase_name));
-
- // If that didn't work, try the user's personal namespace
- if (cdbqr == NULL) {
- snprintf(personal_lowercase_name, sizeof personal_lowercase_name, "%010ld.%s", CC->user.usernum, lowercase_name);
- cdbqr = cdb_fetch(CDB_ROOMS, personal_lowercase_name, strlen(personal_lowercase_name));
- }
- if (cdbqr != NULL) {
- memcpy(qrbuf, cdbqr->ptr, ((cdbqr->len > sizeof(struct ctdlroom)) ? sizeof(struct ctdlroom) : cdbqr->len));
- cdb_free(cdbqr);
- room_sanity_check(qrbuf);
- return (0);
- }
- else {
- return (1);
- }
-}
-
-
-// CtdlGetRoomLock() - same as getroom() but locks the record (if supported)
-int CtdlGetRoomLock(struct ctdlroom *qrbuf, const char *room_name) {
- register int retval;
- retval = CtdlGetRoom(qrbuf, room_name);
- if (retval == 0) begin_critical_section(S_ROOMS);
- return(retval);
-}
-
-
-// b_putroom() - back end to putroom() and b_deleteroom()
-// (if the supplied buffer is NULL, delete the room record)
-void b_putroom(struct ctdlroom *qrbuf, char *room_name) {
- char lowercase_name[ROOMNAMELEN];
- char *aptr, *bptr;
- long len;
-
- aptr = room_name;
- bptr = lowercase_name;
- while (!IsEmptyStr(aptr)) {
- *bptr = tolower(*aptr);
- aptr++;
- bptr++;
- }
- *bptr='\0';
-
- len = bptr - lowercase_name;
- if (qrbuf == NULL) {
- cdb_delete(CDB_ROOMS, lowercase_name, len);
- }
- else {
- time(&qrbuf->QRmtime);
- cdb_store(CDB_ROOMS, lowercase_name, len, qrbuf, sizeof(struct ctdlroom));
- }
-}
-
-
-// CtdlPutRoom() - store room data to disk
-void CtdlPutRoom(struct ctdlroom *qrbuf) {
- b_putroom(qrbuf, qrbuf->QRname);
-}
-
-
-// b_deleteroom() - delete a room record from disk
-void b_deleteroom(char *room_name) {
- b_putroom(NULL, room_name);
-}
-
-
-// CtdlPutRoomLock() - same as CtdlPutRoom() but unlocks the record (if supported)
-void CtdlPutRoomLock(struct ctdlroom *qrbuf) {
- CtdlPutRoom(qrbuf);
- end_critical_section(S_ROOMS);
-}
-
-
-// CtdlGetFloorByName() - retrieve the number of the named floor
-// return < 0 if not found else return floor number
-int CtdlGetFloorByName(const char *floor_name) {
- int a;
- struct floor *flbuf = NULL;
-
- for (a = 0; a < MAXFLOORS; ++a) {
- flbuf = CtdlGetCachedFloor(a);
-
- // check to see if it already exists
- if ((!strcasecmp(flbuf->f_name, floor_name)) && (flbuf->f_flags & F_INUSE)) {
- return a;
- }
- }
- return -1;
-}
-
-
-// CtdlGetFloorByNameLock() - retrieve floor number for given floor and lock the floor list.
-int CtdlGetFloorByNameLock(const char *floor_name) {
- begin_critical_section(S_FLOORTAB);
- return CtdlGetFloorByName(floor_name);
-}
-
-
-/*
- * CtdlGetAvailableFloor() - Return number of first unused floor
- * return < 0 if none available
- */
-int CtdlGetAvailableFloor(void) {
- int a;
- struct floor *flbuf = NULL;
-
- for (a = 0; a < MAXFLOORS; a++) {
- flbuf = CtdlGetCachedFloor(a);
-
- /* check to see if it already exists */
- if ((flbuf->f_flags & F_INUSE) == 0) {
- return a;
- }
- }
- return -1;
-}
-
-
-/*
- * CtdlGetFloor() - retrieve floor data from disk
- */
-void CtdlGetFloor(struct floor *flbuf, int floor_num) {
- struct cdbdata *cdbfl;
-
- memset(flbuf, 0, sizeof(struct floor));
- cdbfl = cdb_fetch(CDB_FLOORTAB, &floor_num, sizeof(int));
- if (cdbfl != NULL) {
- memcpy(flbuf, cdbfl->ptr, ((cdbfl->len > sizeof(struct floor)) ? sizeof(struct floor) : cdbfl->len));
- cdb_free(cdbfl);
- } else {
- if (floor_num == 0) {
- safestrncpy(flbuf->f_name, "Main Floor", sizeof flbuf->f_name);
- flbuf->f_flags = F_INUSE;
- flbuf->f_ref_count = 3;
- }
- }
-}
-
-
-/*
- * lgetfloor() - same as CtdlGetFloor() but locks the record (if supported)
- */
-void lgetfloor(struct floor *flbuf, int floor_num) {
- begin_critical_section(S_FLOORTAB);
- CtdlGetFloor(flbuf, floor_num);
-}
-
-
-/*
- * CtdlGetCachedFloor() - Get floor record from *cache* (loads from disk if needed)
- *
- * This is strictly a performance hack.
- */
-struct floor *CtdlGetCachedFloor(int floor_num) {
- static int initialized = 0;
- int i;
- int fetch_new = 0;
- struct floor *fl = NULL;
-
- begin_critical_section(S_FLOORCACHE);
- if (initialized == 0) {
- for (i=0; i<MAXFLOORS; ++i) {
- floorcache[floor_num] = NULL;
- }
- initialized = 1;
- }
- if (floorcache[floor_num] == NULL) {
- fetch_new = 1;
- }
- end_critical_section(S_FLOORCACHE);
-
- if (fetch_new) {
- fl = malloc(sizeof(struct floor));
- CtdlGetFloor(fl, floor_num);
- begin_critical_section(S_FLOORCACHE);
- if (floorcache[floor_num] != NULL) {
- free(floorcache[floor_num]);
- }
- floorcache[floor_num] = fl;
- end_critical_section(S_FLOORCACHE);
- }
-
- return(floorcache[floor_num]);
-}
-
-
-/*
- * CtdlPutFloor() - store floor data on disk
- */
-void CtdlPutFloor(struct floor *flbuf, int floor_num) {
- /* If we've cached this, clear it out, 'cuz it's WRONG now! */
- begin_critical_section(S_FLOORCACHE);
- if (floorcache[floor_num] != NULL) {
- free(floorcache[floor_num]);
- floorcache[floor_num] = malloc(sizeof(struct floor));
- memcpy(floorcache[floor_num], flbuf, sizeof(struct floor));
- }
- end_critical_section(S_FLOORCACHE);
-
- cdb_store(CDB_FLOORTAB, &floor_num, sizeof(int),
- flbuf, sizeof(struct floor));
-}
-
-
-/*
- * CtdlPutFloorLock() - same as CtdlPutFloor() but unlocks the record (if supported)
- */
-void CtdlPutFloorLock(struct floor *flbuf, int floor_num) {
- CtdlPutFloor(flbuf, floor_num);
- end_critical_section(S_FLOORTAB);
-
-}
-
-
-/*
- * lputfloor() - same as CtdlPutFloor() but unlocks the record (if supported)
- */
-void lputfloor(struct floor *flbuf, int floor_num) {
- CtdlPutFloorLock(flbuf, floor_num);
-}
-
-
-/*
- * Iterate through the room table, performing a callback for each room.
- */
-void CtdlForEachRoom(ForEachRoomCallBack callback_func, void *in_data) {
- struct ctdlroom qrbuf;
- struct cdbdata *cdbqr;
-
- cdb_rewind(CDB_ROOMS);
-
- while (cdbqr = cdb_next_item(CDB_ROOMS), cdbqr != NULL) {
- memset(&qrbuf, 0, sizeof(struct ctdlroom));
- memcpy(&qrbuf, cdbqr->ptr, ((cdbqr->len > sizeof(struct ctdlroom)) ? sizeof(struct ctdlroom) : cdbqr->len) );
- cdb_free(cdbqr);
- room_sanity_check(&qrbuf);
- if (qrbuf.QRflags & QR_INUSE) {
- callback_func(&qrbuf, in_data);
- }
- }
-}
-
-
-/*
- * delete_msglist() - delete room message pointers
- */
-void delete_msglist(struct ctdlroom *whichroom) {
- struct cdbdata *cdbml;
-
- /* Make sure the msglist we're deleting actually exists, otherwise
- * libdb will complain when we try to delete an invalid record
- */
- cdbml = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
- if (cdbml != NULL) {
- cdb_free(cdbml);
-
- /* Go ahead and delete it */
- cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
- }
-}
-
-
-/*
- * Message pointer compare function for sort_msglist()
- */
-int sort_msglist_cmp(const void *m1, const void *m2) {
- if ((*(const long *)m1) > (*(const long *)m2)) return(1);
- if ((*(const long *)m1) < (*(const long *)m2)) return(-1);
- return(0);
-}
-
-
-/*
- * sort message pointers
- * (returns new msg count)
- */
-int sort_msglist(long listptrs[], int oldcount) {
- int numitems;
- int i = 0;
-
- numitems = oldcount;
- if (numitems < 2) {
- return (oldcount);
- }
-
- /* do the sort */
- qsort(listptrs, numitems, sizeof(long), sort_msglist_cmp);
-
- /* and yank any nulls */
- while ((i < numitems) && (listptrs[i] == 0L)) i++;
-
- if (i > 0) {
- memmove(&listptrs[0], &listptrs[i], (sizeof(long) * (numitems - i)));
- numitems-=i;
- }
-
- return (numitems);
-}
-
-
-/*
- * Determine whether a given room is non-editable.
- */
-int CtdlIsNonEditable(struct ctdlroom *qrbuf) {
-
- /* Mail> rooms are non-editable */
- if ( (qrbuf->QRflags & QR_MAILBOX) && (!strcasecmp(&qrbuf->QRname[11], MAILROOM)) ) {
- return (1);
- }
-
- /* Everything else is editable */
- return (0);
-}
-
-
-/*
- * Make the specified room the current room for this session. No validation
- * or access control is done here -- the caller should make sure that the
- * specified room exists and is ok to access.
- */
-void CtdlUserGoto(char *where, int display_result, int transiently,
- int *retmsgs, int *retnew, long *retoldest, long *retnewest)
-{
- int a;
- int new_messages = 0;
- int old_messages = 0;
- int total_messages = 0;
- long oldest_message = 0;
- long newest_message = 0;
- int info = 0;
- int rmailflag;
- int raideflag;
- int newmailcount = 0;
- visit vbuf;
- char truncated_roomname[ROOMNAMELEN];
- struct cdbdata *cdbfr;
- long *msglist = NULL;
- int num_msgs = 0;
- unsigned int original_v_flags;
- int num_sets;
- int s;
- char setstr[128], lostr[64], histr[64];
- long lo, hi;
- int is_trash = 0;
-
- /* If the supplied room name is NULL, the caller wants us to know that
- * it has already copied the room record into CC->room, so
- * we can skip the extra database fetch.
- */
- if (where != NULL) {
- safestrncpy(CC->room.QRname, where, sizeof CC->room.QRname);
- CtdlGetRoom(&CC->room, where);
- }
-
- /* Take care of all the formalities. */
-
- begin_critical_section(S_USERS);
- CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
- original_v_flags = vbuf.v_flags;
-
- /* Know the room ... but not if it's the page log room, or if the
- * caller specified that we're only entering this room transiently.
- */
- int add_room_to_known_list = 1;
- if (transiently == 1) {
- add_room_to_known_list = 0;
- }
- char *c_logpages = CtdlGetConfigStr("c_logpages");
- if ( (c_logpages != NULL) && (!strcasecmp(CC->room.QRname, c_logpages)) ) {
- add_room_to_known_list = 0;
- }
- if (add_room_to_known_list) {
- vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
- vbuf.v_flags = vbuf.v_flags | V_ACCESS;
- }
-
- /* Only rewrite the database record if we changed something */
- if (vbuf.v_flags != original_v_flags) {
- CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
- }
- end_critical_section(S_USERS);
-
- /* Check for new mail */
- newmailcount = NewMailCount();
-
- /* Set info to 1 if the room banner is new since our last visit.
- * Some clients only want to display it when it changes.
- */
- if (CC->room.msgnum_info > vbuf.v_lastseen) {
- info = 1;
- }
-
- cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
- if (cdbfr != NULL) {
- msglist = (long *) cdbfr->ptr;
- cdbfr->ptr = NULL; /* CtdlUserGoto() now owns this memory */
- num_msgs = cdbfr->len / sizeof(long);
- cdb_free(cdbfr);
- }
-
- total_messages = 0;
- for (a=0; a<num_msgs; ++a) {
- if (msglist[a] > 0L) ++total_messages;
- }
-
- if (total_messages > 0) {
- oldest_message = msglist[0];
- newest_message = msglist[num_msgs - 1];
- }
-
- num_sets = num_tokens(vbuf.v_seen, ',');
- for (s=0; s<num_sets; ++s) {
- extract_token(setstr, vbuf.v_seen, s, ',', sizeof setstr);
-
- extract_token(lostr, setstr, 0, ':', sizeof lostr);
- if (num_tokens(setstr, ':') >= 2) {
- extract_token(histr, setstr, 1, ':', sizeof histr);
- if (!strcmp(histr, "*")) {
- snprintf(histr, sizeof histr, "%ld", LONG_MAX);
- }
- }
- else {
- strcpy(histr, lostr);
- }
- lo = atol(lostr);
- hi = atol(histr);
-
- for (a=0; a<num_msgs; ++a) if (msglist[a] > 0L) {
- if ((msglist[a] >= lo) && (msglist[a] <= hi)) {
- ++old_messages;
- msglist[a] = 0L;
- }
- }
- }
- new_messages = total_messages - old_messages;
-
- if (msglist != NULL) free(msglist);
-
- if (CC->room.QRflags & QR_MAILBOX)
- rmailflag = 1;
- else
- rmailflag = 0;
-
- if ((CC->room.QRroomaide == CC->user.usernum) || (CC->user.axlevel >= AxAideU))
- raideflag = 1;
- else
- raideflag = 0;
-
- safestrncpy(truncated_roomname, CC->room.QRname, sizeof truncated_roomname);
- if ( (CC->room.QRflags & QR_MAILBOX) && (atol(CC->room.QRname) == CC->user.usernum) ) {
- safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
- }
-
- if (!strcasecmp(truncated_roomname, USERTRASHROOM)) {
- is_trash = 1;
- }
-
- if (retmsgs != NULL) *retmsgs = total_messages;
- if (retnew != NULL) *retnew = new_messages;
- if (retoldest != NULL) *retoldest = oldest_message;
- if (retnewest != NULL) *retnewest = newest_message;
- syslog(LOG_DEBUG, "room_ops: %s : %d new of %d total messages, oldest=%ld, newest=%ld",
- CC->room.QRname, new_messages, total_messages, oldest_message, newest_message
- );
-
- CC->curr_view = (int)vbuf.v_view;
-
- if (display_result) {
- cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d|%d|%d|%d|%ld|\n",
- CIT_OK, CtdlCheckExpress(),
- truncated_roomname,
- (int)new_messages,
- (int)total_messages,
- (int)info,
- (int)CC->room.QRflags,
- (long)CC->room.QRhighest,
- (long)vbuf.v_lastseen,
- (int)rmailflag,
- (int)raideflag,
- (int)newmailcount,
- (int)CC->room.QRfloor,
- (int)vbuf.v_view,
- (int)CC->room.QRdefaultview,
- (int)is_trash,
- (int)CC->room.QRflags2,
- (long)CC->room.QRmtime
- );
- }
-}
-
-
-/*
- * Handle some of the macro named rooms
- */
-void convert_room_name_macros(char *towhere, size_t maxlen) {
- if (!strcasecmp(towhere, "_BASEROOM_")) {
- safestrncpy(towhere, CtdlGetConfigStr("c_baseroom"), maxlen);
- }
- else if (!strcasecmp(towhere, "_MAIL_")) {
- safestrncpy(towhere, MAILROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_TRASH_")) {
- safestrncpy(towhere, USERTRASHROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_DRAFTS_")) {
- safestrncpy(towhere, USERDRAFTROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_BITBUCKET_")) {
- safestrncpy(towhere, CtdlGetConfigStr("c_twitroom"), maxlen);
- }
- else if (!strcasecmp(towhere, "_CALENDAR_")) {
- safestrncpy(towhere, USERCALENDARROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_TASKS_")) {
- safestrncpy(towhere, USERTASKSROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_CONTACTS_")) {
- safestrncpy(towhere, USERCONTACTSROOM, maxlen);
- }
- else if (!strcasecmp(towhere, "_NOTES_")) {
- safestrncpy(towhere, USERNOTESROOM, maxlen);
- }
-}
-
-
-/*
- * Back end function to rename a room.
- * You can also specify which floor to move the room to, or specify -1 to
- * keep the room on the same floor it was on.
- *
- * If you are renaming a mailbox room, you must supply the namespace prefix
- * in *at least* the old name!
- */
-int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
- int old_floor = 0;
- struct ctdlroom qrbuf;
- struct ctdlroom qrtmp;
- int ret = 0;
- struct floor *fl;
- struct floor flbuf;
- long owner = 0L;
- char actual_old_name[ROOMNAMELEN];
-
- syslog(LOG_DEBUG, "room_ops: CtdlRenameRoom(%s, %s, %d)", old_name, new_name, new_floor);
-
- if (new_floor >= 0) {
- fl = CtdlGetCachedFloor(new_floor);
- if ((fl->f_flags & F_INUSE) == 0) {
- return(crr_invalid_floor);
- }
- }
-
- begin_critical_section(S_ROOMS);
-
- if ( (CtdlGetRoom(&qrtmp, new_name) == 0) && (strcasecmp(new_name, old_name)) ) {
- ret = crr_already_exists;
- }
-
- else if (CtdlGetRoom(&qrbuf, old_name) != 0) {
- ret = crr_room_not_found;
- }
-
- else if ( (CC->user.axlevel < AxAideU) && (!CC->internal_pgm)
- && (CC->user.usernum != qrbuf.QRroomaide)
- && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) ) {
- ret = crr_access_denied;
- }
-
- else if (CtdlIsNonEditable(&qrbuf)) {
- ret = crr_noneditable;
- }
-
- else {
- /* Rename it */
- safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
- if (qrbuf.QRflags & QR_MAILBOX) {
- owner = atol(qrbuf.QRname);
- }
- if ( (owner > 0L) && (atol(new_name) == 0L) ) {
- snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
- "%010ld.%s", owner, new_name);
- }
- else {
- safestrncpy(qrbuf.QRname, new_name,
- sizeof(qrbuf.QRname));
- }
-
- /* Reject change of floor for baseroom/aideroom */
- if (!strncasecmp(old_name, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN) ||
- !strncasecmp(old_name, CtdlGetConfigStr("c_aideroom"), ROOMNAMELEN))
- {
- new_floor = 0;
- }
-
- /* Take care of floor stuff */
- old_floor = qrbuf.QRfloor;
- if (new_floor < 0) {
- new_floor = old_floor;
- }
- qrbuf.QRfloor = new_floor;
- CtdlPutRoom(&qrbuf);
-
- begin_critical_section(S_CONFIG);
-
- /* If baseroom/aideroom name changes, update config */
- if (!strncasecmp(old_name, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
- CtdlSetConfigStr("c_baseroom", new_name);
- }
- if (!strncasecmp(old_name, CtdlGetConfigStr("c_aideroom"), ROOMNAMELEN)) {
- CtdlSetConfigStr("c_aideroom", new_name);
- }
-
- end_critical_section(S_CONFIG);
-
- /* If the room name changed, then there are now two room
- * records, so we have to delete the old one.
- */
- if (strcasecmp(new_name, old_name)) {
- b_deleteroom(actual_old_name);
- }
-
- ret = crr_ok;
- }
-
- end_critical_section(S_ROOMS);
-
- /* Adjust the floor reference counts if necessary */
- if (new_floor != old_floor) {
- lgetfloor(&flbuf, old_floor);
- --flbuf.f_ref_count;
- lputfloor(&flbuf, old_floor);
- syslog(LOG_DEBUG, "room_ops: reference count for floor %d is now %d", old_floor, flbuf.f_ref_count);
- lgetfloor(&flbuf, new_floor);
- ++flbuf.f_ref_count;
- lputfloor(&flbuf, new_floor);
- syslog(LOG_DEBUG, "room_ops: reference count for floor %d is now %d", new_floor, flbuf.f_ref_count);
- }
-
- /* ...and everybody say "YATTA!" */
- return(ret);
-}
-
-
-/*
- * Asynchronously schedule a room for deletion. By placing the room into an invalid private namespace,
- * the room will appear deleted to the user(s), but the session doesn't need to block while waiting for
- * database operations to complete. Instead, the room gets purged when THE DREADED AUTO-PURGER makes
- * its next run. Aren't we so clever?!!
- */
-void CtdlScheduleRoomForDeletion(struct ctdlroom *qrbuf) {
- char old_name[ROOMNAMELEN];
- static int seq = 0;
-
- syslog(LOG_NOTICE, "room_ops: scheduling room <%s> for deletion", qrbuf->QRname);
-
- safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
- CtdlGetRoom(qrbuf, qrbuf->QRname);
-
- /* Turn the room into a private mailbox owned by a user who doesn't
- * exist. This will immediately make the room invisible to everyone,
- * and qualify the room for purging.
- */
- snprintf(qrbuf->QRname, sizeof qrbuf->QRname, "9999999999.%08lx.%04d.%s",
- time(NULL),
- ++seq,
- old_name
- );
- qrbuf->QRflags |= QR_MAILBOX;
- time(&qrbuf->QRgen); /* Use a timestamp as the new generation number */
- CtdlPutRoom(qrbuf);
- b_deleteroom(old_name);
-}
-
-
-/*
- * Back end processing to delete a room and everything associated with it
- * (This one is synchronous and should only get called by THE DREADED
- * AUTO-PURGER in serv_expire.c. All user-facing code should call
- * the asynchronous schedule_room_for_deletion() instead.)
- */
-void CtdlDeleteRoom(struct ctdlroom *qrbuf) {
- struct floor flbuf;
- char configdbkeyname[25];
-
- syslog(LOG_NOTICE, "room_ops: deleting room <%s>", qrbuf->QRname);
-
- // Delete the room's network configdb entry
- netcfg_keyname(configdbkeyname, qrbuf->QRnumber);
- CtdlDelConfig(configdbkeyname);
-
- // Delete the messages in the room
- // (Careful: this opens an S_ROOMS critical section!)
- CtdlDeleteMessages(qrbuf->QRname, NULL, 0, "");
-
- // Flag the room record as not in use
- CtdlGetRoomLock(qrbuf, qrbuf->QRname);
- qrbuf->QRflags = 0;
- CtdlPutRoomLock(qrbuf);
-
- // then decrement the reference count for the floor
- lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
- flbuf.f_ref_count = flbuf.f_ref_count - 1;
- lputfloor(&flbuf, (int) (qrbuf->QRfloor));
-
- // Delete the room record from the database!
- b_deleteroom(qrbuf->QRname);
-}
-
-
-/*
- * Check access control for deleting a room
- */
-int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
-
- if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
- return(0);
- }
-
- if (CtdlIsNonEditable(qr)) {
- return(0);
- }
-
- /*
- * For mailboxes, check stuff
- */
- if (qr->QRflags & QR_MAILBOX) {
-
- if (strlen(qr->QRname) < 12) return(0); /* bad name */
-
- if (atol(qr->QRname) != CC->user.usernum) {
- return(0); /* not my room */
- }
-
- /* Can't delete your Mail> room */
- if (!strcasecmp(&qr->QRname[11], MAILROOM)) return(0);
-
- /* Otherwise it's ok */
- return(1);
- }
-
- /*
- * For normal rooms, just check for admin or room admin status.
- */
- return(is_room_aide());
-}
-
-
-/*
- * Internal code to create a new room (returns room flags)
- *
- * Room types: 0=public, 1=hidden, 2=passworded, 3=invitation-only,
- * 4=mailbox, 5=mailbox, but caller supplies namespace
- */
-unsigned CtdlCreateRoom(char *new_room_name,
- int new_room_type,
- char *new_room_pass,
- int new_room_floor,
- int really_create,
- int avoid_access,
- int new_room_view)
-{
- struct ctdlroom qrbuf;
- struct floor flbuf;
- visit vbuf;
-
- syslog(LOG_DEBUG, "room_ops: CtdlCreateRoom(name=%s, type=%d, view=%d)", new_room_name, new_room_type, new_room_view);
-
- if (CtdlGetRoom(&qrbuf, new_room_name) == 0) {
- syslog(LOG_DEBUG, "room_ops: cannot create room <%s> - already exists", new_room_name);
- return(0);
- }
-
- memset(&qrbuf, 0, sizeof(struct ctdlroom));
- safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
- qrbuf.QRflags = QR_INUSE;
- if (new_room_type > 0)
- qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
- if (new_room_type == 1)
- qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
- if (new_room_type == 2)
- qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
- if ( (new_room_type == 4) || (new_room_type == 5) ) {
- qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
- /* qrbuf.QRflags2 |= QR2_SUBJECTREQ; */
- }
-
- /* If the user is requesting a personal room, set up the room
- * name accordingly (prepend the user number)
- */
- if (new_room_type == 4) {
- CtdlMailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
- }
- else {
- safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
- }
-
- /* If the room is private, and the system administrator has elected
- * to automatically grant room admin privileges, do so now.
- */
- if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
- qrbuf.QRroomaide = CC->user.usernum;
- }
- /* Blog owners automatically become room admins of their blogs.
- * (In the future we will offer a site-wide configuration setting to suppress this behavior.)
- */
- else if (new_room_view == VIEW_BLOG) {
- qrbuf.QRroomaide = CC->user.usernum;
- }
- /* Otherwise, set the room admin to undefined.
- */
- else {
- qrbuf.QRroomaide = (-1L);
- }
-
- /*
- * If the caller is only interested in testing whether this will work,
- * return now without creating the room.
- */
- if (!really_create) return (qrbuf.QRflags);
-
- qrbuf.QRnumber = get_new_room_number();
- qrbuf.QRhighest = 0L; /* No messages in this room yet */
- time(&qrbuf.QRgen); /* Use a timestamp as the generation number */
- qrbuf.QRfloor = new_room_floor;
- qrbuf.QRdefaultview = new_room_view;
-
- /* save what we just did... */
- CtdlPutRoom(&qrbuf);
-
- /* bump the reference count on whatever floor the room is on */
- lgetfloor(&flbuf, (int) qrbuf.QRfloor);
- flbuf.f_ref_count = flbuf.f_ref_count + 1;
- lputfloor(&flbuf, (int) qrbuf.QRfloor);
-
- /* Grant the creator access to the room unless the avoid_access
- * parameter was specified.
- */
- if ( (CC->logged_in) && (avoid_access == 0) ) {
- CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
- vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
- vbuf.v_flags = vbuf.v_flags | V_ACCESS;
- CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
- }
-
- /* resume our happy day */
- return (qrbuf.QRflags);
-}
projects / citadel.git / blobdiff