/*
* $Id: room_ops.c 7737 2009-08-20 16:50:50Z ajc $
*
* Server functions which perform operations on room objects.
*
*/
#include "sysdep.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <ctype.h>
#include <string.h>
#include <dirent.h> /* for cmd_rdir to read contents of the directory */
#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 <limits.h>
#include <errno.h>
#include "citadel.h"
#include <libcitadel.h>
#include "server.h"
#include "database.h"
#include "config.h"
#include "room_ops.h"
#include "sysdep_decls.h"
#include "support.h"
#include "user_ops.h"
#include "msgbase.h"
#include "citserver.h"
#include "control.h"
#include "citadel_dirs.h"
#include "threads.h"
#include "ctdl_module.h"
struct floor *floorcache[MAXFLOORS];
/*
* Retrieve access control information for any user/room pair
*/
void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
int *result, int *view)
{
int retval = 0;
struct visit vbuf;
/* for internal programs, always do everything */
if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
retval = (UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED);
vbuf.v_view = 0;
goto SKIP_EVERYTHING;
}
/* Locate any applicable user/room relationships */
CtdlGetRelationship(&vbuf, userbuf, roombuf);
/* Force the properties of the Aide room */
if (!strcasecmp(roombuf->QRname, config.c_aideroom)) {
if (userbuf->axlevel >= 6) {
retval = UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
} 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 < 5) {
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) {
if (userbuf->usernum == atol(roombuf->QRname)) {
retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
}
/* 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;
}
}
/* 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
*/
int post_allowed = 1;
if (CC->user.axlevel < 2) post_allowed = 0;
if ((CC->user.axlevel < 4) && (CC->room.QRflags & QR_NETWORK)) post_allowed = 0;
if (roombuf->QRflags & QR_READONLY) post_allowed = 0;
if (post_allowed) {
retval = retval | UA_POSTALLOWED;
}
/* If "collaborative deletion" is active for this room, any user who can post
* is also allowed to delete
*/
if (CC->room.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;
}
/* Aides get access to all private rooms */
if ( (userbuf->axlevel >= 6)
&& ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
if (vbuf.v_flags & V_FORGET) {
retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
}
else {
retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED;
}
}
/* Aides can gain access to mailboxes as well, but they don't show
* by default.
*/
if ( (userbuf->axlevel >= 6)
&& (roombuf->QRflags & QR_MAILBOX) ) {
retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
}
/* Aides and Room Aides have admin privileges */
if ( (userbuf->axlevel >= 6)
|| (userbuf->usernum == roombuf->QRroomaide)
) {
retval = retval | UA_ADMINALLOWED | UA_DELETEALLOWED | UA_POSTALLOWED;
}
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, config.c_baseroom, ROOMNAMELEN)
&&
strncasecmp(qrbuf->QRname, config.c_aideroom, ROOMNAMELEN))
qrbuf->QRorder = 64;
}
/*
* getroom() - retrieve room data from disk
*/
int getroom(struct ctdlroom *qrbuf, char *room_name)
{
struct cdbdata *cdbqr;
char lowercase_name[ROOMNAMELEN];
char personal_lowercase_name[ROOMNAMELEN];
char *dptr, *sptr, *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));
/* 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);
}
}
/*
* lgetroom() - same as getroom() but locks the record (if supported)
*/
int lgetroom(struct ctdlroom *qrbuf, char *room_name)
{
register int retval;
retval = getroom(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));
}
}
/*
* putroom() - store room data to disk
*/
void putroom(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);
}
/*
* lputroom() - same as putroom() but unlocks the record (if supported)
*/
void lputroom(struct ctdlroom *qrbuf)
{
putroom(qrbuf);
end_critical_section(S_ROOMS);
}
/****************************************************************************/
/*
* getfloor() - retrieve floor data from disk
*/
void getfloor(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 getfloor() but locks the record (if supported)
*/
void lgetfloor(struct floor *flbuf, int floor_num)
{
begin_critical_section(S_FLOORTAB);
getfloor(flbuf, floor_num);
}
/*
* cgetfloor() - Get floor record from *cache* (loads from disk if needed)
*
* This is strictly a performance hack.
*/
struct floor *cgetfloor(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));
getfloor(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]);
}
/*
* putfloor() - store floor data on disk
*/
void putfloor(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));
}
/*
* lputfloor() - same as putfloor() but unlocks the record (if supported)
*/
void lputfloor(struct floor *flbuf, int floor_num)
{
putfloor(flbuf, floor_num);
end_critical_section(S_FLOORTAB);
}
/*
* Traverse the room file...
*/
void ForEachRoom(void (*CallBack) (struct ctdlroom *EachRoom, void *out_data),
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)(&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
* gdbm 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;
numitems = oldcount;
if (numitems < 2) {
return (oldcount);
}
/* do the sort */
qsort(listptrs, numitems, sizeof(long), sort_msglist_cmp);
/* and yank any nulls */
while ((numitems > 0) && (listptrs[0] == 0L)) {
memmove(&listptrs[0], &listptrs[1],
(sizeof(long) * (numitems - 1)));
--numitems;
}
return (numitems);
}
/*
* Determine whether a given room is non-editable.
*/
int is_noneditable(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);
}
/*
* Back-back-end for all room listing commands
*/
void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default_view)
{
char truncated_roomname[ROOMNAMELEN];
/* For my own mailbox rooms, chop off the owner prefix */
if ( (qrbuf->QRflags & QR_MAILBOX)
&& (atol(qrbuf->QRname) == CC->user.usernum) ) {
safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
cprintf("%s", truncated_roomname);
}
/* For all other rooms, just display the name in its entirety */
else {
cprintf("%s", qrbuf->QRname);
}
/* ...and now the other parameters */
cprintf("|%u|%d|%d|%d|%d|%d|%d|%ld|\n",
qrbuf->QRflags,
(int) qrbuf->QRfloor,
(int) qrbuf->QRorder,
(int) qrbuf->QRflags2,
ra,
current_view,
default_view,
qrbuf->QRmtime
);
}
/*
* cmd_lrms() - List all accessible rooms, known or forgotten
*/
void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ((( ra & (UA_KNOWN | UA_ZAPPED)))
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lrms(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuser(&CC->user, CC->curr_user)) {
cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
return;
}
cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
cprintf("000\n");
}
/*
* cmd_lkra() - List all known rooms
*/
void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ((( ra & (UA_KNOWN)))
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lkra(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuser(&CC->user, CC->curr_user)) {
cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
return;
}
cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
cprintf("000\n");
}
void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ( ((qrbuf->QRflags & QR_PRIVATE) == 0)
&& ((qrbuf->QRflags & QR_MAILBOX) == 0)
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lprm(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
cprintf("%d Publiic rooms:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
cprintf("000\n");
}
/*
* cmd_lkrn() - List all known rooms with new messages
*/
void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ((ra & UA_KNOWN)
&& (ra & UA_HASNEWMSGS)
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lkrn(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuser(&CC->user, CC->curr_user)) {
cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
return;
}
cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
cprintf("000\n");
}
/*
* cmd_lkro() - List all known rooms
*/
void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ((ra & UA_KNOWN)
&& ((ra & UA_HASNEWMSGS) == 0)
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lkro(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuser(&CC->user, CC->curr_user)) {
cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
return;
}
cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
cprintf("000\n");
}
/*
* cmd_lzrm() - List all forgotten rooms
*/
void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
{
int FloorBeingSearched = (-1);
int ra;
int view;
FloorBeingSearched = *(int *)data;
CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
if ((ra & UA_GOTOALLOWED)
&& (ra & UA_ZAPPED)
&& ((qrbuf->QRfloor == (FloorBeingSearched))
|| ((FloorBeingSearched) < 0)))
list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
}
void cmd_lzrm(char *argbuf)
{
int FloorBeingSearched = (-1);
if (!IsEmptyStr(argbuf))
FloorBeingSearched = extract_int(argbuf, 0);
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuser(&CC->user, CC->curr_user)) {
cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
return;
}
cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
ForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
cprintf("000\n");
}
/*
* 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 usergoto(char *where, int display_result, int transiently,
int *retmsgs, int *retnew)
{
int a;
int new_messages = 0;
int old_messages = 0;
int total_messages = 0;
int info = 0;
int rmailflag;
int raideflag;
int newmailcount = 0;
struct 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);
getroom(&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.
*/
if ((strcasecmp(CC->room.QRname, config.c_logpages))
&& (transiently == 0) ) {
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 user needs to read the room's info file */
if (CC->room.QRinfo > 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; /* usergoto() 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;
}
new_messages = num_msgs;
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 >= 6))
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;
CtdlLogPrintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
CC->room.QRname,
new_messages, total_messages
);
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|\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
);
}
}
/*
* Handle some of the macro named rooms
*/
void convert_room_name_macros(char *towhere, size_t maxlen) {
if (!strcasecmp(towhere, "_BASEROOM_")) {
safestrncpy(towhere, config.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, config.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);
}
}
/*
* cmd_goto() - goto a new room
*/
void cmd_goto(char *gargs)
{
struct ctdlroom QRscratch;
int c;
int ok = 0;
int ra;
char augmented_roomname[ROOMNAMELEN];
char towhere[ROOMNAMELEN];
char password[32];
int transiently = 0;
if (CtdlAccessCheck(ac_logged_in)) return;
extract_token(towhere, gargs, 0, '|', sizeof towhere);
extract_token(password, gargs, 1, '|', sizeof password);
transiently = extract_int(gargs, 2);
getuser(&CC->user, CC->curr_user);
/*
* Handle some of the macro named rooms
*/
convert_room_name_macros(towhere, sizeof towhere);
/* First try a regular match */
c = getroom(&QRscratch, towhere);
/* Then try a mailbox name match */
if (c != 0) {
MailboxName(augmented_roomname, sizeof augmented_roomname,
&CC->user, towhere);
c = getroom(&QRscratch, augmented_roomname);
if (c == 0)
safestrncpy(towhere, augmented_roomname, sizeof towhere);
}
/* And if the room was found... */
if (c == 0) {
/* Let internal programs go directly to any room. */
if (CC->internal_pgm) {
memcpy(&CC->room, &QRscratch,
sizeof(struct ctdlroom));
usergoto(NULL, 1, transiently, NULL, NULL);
return;
}
/* See if there is an existing user/room relationship */
CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
/* normal clients have to pass through security */
if (ra & UA_GOTOALLOWED) {
ok = 1;
}
if (ok == 1) {
if ((QRscratch.QRflags & QR_MAILBOX) &&
((ra & UA_GOTOALLOWED))) {
memcpy(&CC->room, &QRscratch,
sizeof(struct ctdlroom));
usergoto(NULL, 1, transiently, NULL, NULL);
return;
} else if ((QRscratch.QRflags & QR_PASSWORDED) &&
((ra & UA_KNOWN) == 0) &&
(strcasecmp(QRscratch.QRpasswd, password)) &&
(CC->user.axlevel < 6)
) {
cprintf("%d wrong or missing passwd\n",
ERROR + PASSWORD_REQUIRED);
return;
} else if ((QRscratch.QRflags & QR_PRIVATE) &&
((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
((ra & UA_KNOWN) == 0) &&
(CC->user.axlevel < 6)
) {
CtdlLogPrintf(CTDL_DEBUG, "Failed to acquire private room\n");
} else {
memcpy(&CC->room, &QRscratch,
sizeof(struct ctdlroom));
usergoto(NULL, 1, transiently, NULL, NULL);
return;
}
}
}
cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
}
void cmd_whok(char *cmdbuf)
{
struct ctdluser temp;
struct cdbdata *cdbus;
int ra;
cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
cdb_rewind(CDB_USERS);
while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
memset(&temp, 0, sizeof temp);
memcpy(&temp, cdbus->ptr, sizeof temp);
cdb_free(cdbus);
CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
if ((CC->room.QRflags & QR_INUSE)
&& (ra & UA_KNOWN)
)
cprintf("%s\n", temp.fullname);
}
cprintf("000\n");
}
/*
* RDIR command for room directory
*/
void cmd_rdir(char *cmdbuf)
{
char buf[256];
char comment[256];
FILE *fd;
struct stat statbuf;
DIR *filedir = NULL;
struct dirent *filedir_entry;
int d_namelen;
char buf2[SIZ];
char mimebuf[64];
long len;
if (CtdlAccessCheck(ac_logged_in)) return;
getroom(&CC->room, CC->room.QRname);
getuser(&CC->user, CC->curr_user);
if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
cprintf("%d not here.\n", ERROR + NOT_HERE);
return;
}
if (((CC->room.QRflags & QR_VISDIR) == 0)
&& (CC->user.axlevel < 6)
&& (CC->user.usernum != CC->room.QRroomaide)) {
cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
return;
}
snprintf(buf, sizeof buf, "%s/%s", ctdl_file_dir, CC->room.QRdirname);
filedir = opendir (buf);
if (filedir == NULL) {
cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
return;
}
cprintf("%d %s|%s/%s\n", LISTING_FOLLOWS, config.c_fqdn, ctdl_file_dir, CC->room.QRdirname);
snprintf(buf, sizeof buf, "%s/%s/filedir", ctdl_file_dir, CC->room.QRdirname);
fd = fopen(buf, "r");
if (fd == NULL)
fd = fopen("/dev/null", "r");
while ((filedir_entry = readdir(filedir)))
{
if (strcasecmp(filedir_entry->d_name, "filedir") && filedir_entry->d_name[0] != '.')
{
#ifdef _DIRENT_HAVE_D_NAMELEN
d_namelen = filedir_entry->d_namelen;
#else
d_namelen = strlen(filedir_entry->d_name);
#endif
snprintf(buf, sizeof buf, "%s/%s/%s", ctdl_file_dir, CC->room.QRdirname, filedir_entry->d_name);
stat(buf, &statbuf); /* stat the file */
if (!(statbuf.st_mode & S_IFREG))
{
snprintf(buf2, sizeof buf2,
"\"%s\" appears in the file directory for room \"%s\" but is not a regular file. Directories, named pipes, sockets, etc. are not usable in Citadel room directories.\n",
buf, CC->room.QRname
);
aide_message(buf2, "Unusable data found in room directory");
continue; /* not a useable file type so don't show it */
}
safestrncpy(comment, "", sizeof comment);
fseek(fd, 0L, 0); /* rewind descriptions file */
/* Get the description from the descriptions file */
while ((fgets(buf, sizeof buf, fd) != NULL) && (IsEmptyStr(comment)))
{
buf[strlen(buf) - 1] = 0;
if ((!strncasecmp(buf, filedir_entry->d_name, d_namelen)) && (buf[d_namelen] == ' '))
safestrncpy(comment, &buf[d_namelen + 1], sizeof comment);
}
len = extract_token (mimebuf, comment, 0,' ', 64);
if ((len <0) || strchr(mimebuf, '/') == NULL)
{
snprintf (mimebuf, 64, "application/octetstream");
len = 0;
}
cprintf("%s|%ld|%s|%s\n",
filedir_entry->d_name,
(long)statbuf.st_size,
mimebuf,
&comment[len]);
}
}
fclose(fd);
closedir(filedir);
cprintf("000\n");
}
/*
* get room parameters (aide or room aide command)
*/
void cmd_getr(char *cmdbuf)
{
if (CtdlAccessCheck(ac_room_aide)) return;
getroom(&CC->room, CC->room.QRname);
cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
CIT_OK,
CtdlCheckExpress(),
((CC->room.QRflags & QR_MAILBOX) ?
&CC->room.QRname[11] : CC->room.QRname),
((CC->room.QRflags & QR_PASSWORDED) ?
CC->room.QRpasswd : ""),
((CC->room.QRflags & QR_DIRECTORY) ?
CC->room.QRdirname : ""),
CC->room.QRflags,
(int) CC->room.QRfloor,
(int) CC->room.QRorder,
CC->room.QRdefaultview,
CC->room.QRflags2
);
}
/*
* 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];
CtdlLogPrintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
old_name, new_name, new_floor);
if (new_floor >= 0) {
fl = cgetfloor(new_floor);
if ((fl->f_flags & F_INUSE) == 0) {
return(crr_invalid_floor);
}
}
begin_critical_section(S_ROOMS);
if ( (getroom(&qrtmp, new_name) == 0)
&& (strcasecmp(new_name, old_name)) ) {
ret = crr_already_exists;
}
else if (getroom(&qrbuf, old_name) != 0) {
ret = crr_room_not_found;
}
else if ( (CC->user.axlevel < 6) && (!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 (is_noneditable(&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, config.c_baseroom, ROOMNAMELEN) ||
!strncasecmp(old_name, config.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;
putroom(&qrbuf);
begin_critical_section(S_CONFIG);
/* If baseroom/aideroom name changes, update config */
if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
put_config();
}
if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
put_config();
}
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);
CtdlLogPrintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
lgetfloor(&flbuf, new_floor);
++flbuf.f_ref_count;
lputfloor(&flbuf, new_floor);
CtdlLogPrintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
}
/* ...and everybody say "YATTA!" */
return(ret);
}
/*
* set room parameters (aide or room aide command)
*/
void cmd_setr(char *args)
{
char buf[256];
int new_order = 0;
int r;
int new_floor;
char new_name[ROOMNAMELEN];
if (CtdlAccessCheck(ac_logged_in)) return;
if (num_parms(args) >= 6) {
new_floor = extract_int(args, 5);
} else {
new_floor = (-1); /* don't change the floor */
}
/* When is a new name more than just a new name? When the old name
* has a namespace prefix.
*/
if (CC->room.QRflags & QR_MAILBOX) {
sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
} else {
safestrncpy(new_name, "", sizeof new_name);
}
extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
if (r == crr_room_not_found) {
cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
} else if (r == crr_already_exists) {
cprintf("%d '%s' already exists.\n",
ERROR + ALREADY_EXISTS, new_name);
} else if (r == crr_noneditable) {
cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
} else if (r == crr_invalid_floor) {
cprintf("%d Target floor does not exist.\n",
ERROR + INVALID_FLOOR_OPERATION);
} else if (r == crr_access_denied) {
cprintf("%d You do not have permission to edit '%s'\n",
ERROR + HIGHER_ACCESS_REQUIRED,
CC->room.QRname);
} else if (r != crr_ok) {
cprintf("%d Error: CtdlRenameRoom() returned %d\n",
ERROR + INTERNAL_ERROR, r);
}
if (r != crr_ok) {
return;
}
getroom(&CC->room, new_name);
/* Now we have to do a bunch of other stuff */
if (num_parms(args) >= 7) {
new_order = extract_int(args, 6);
if (new_order < 1)
new_order = 1;
if (new_order > 127)
new_order = 127;
}
lgetroom(&CC->room, CC->room.QRname);
/* Directory room */
extract_token(buf, args, 2, '|', sizeof buf);
buf[15] = 0;
safestrncpy(CC->room.QRdirname, buf,
sizeof CC->room.QRdirname);
/* Default view */
if (num_parms(args) >= 8) {
CC->room.QRdefaultview = extract_int(args, 7);
}
/* Second set of flags */
if (num_parms(args) >= 9) {
CC->room.QRflags2 = extract_int(args, 8);
}
/* Misc. flags */
CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
/* Clean up a client boo-boo: if the client set the room to
* guess-name or passworded, ensure that the private flag is
* also set.
*/
if ((CC->room.QRflags & QR_GUESSNAME)
|| (CC->room.QRflags & QR_PASSWORDED))
CC->room.QRflags |= QR_PRIVATE;
/* Some changes can't apply to BASEROOM */
if (!strncasecmp(CC->room.QRname, config.c_baseroom,
ROOMNAMELEN)) {
CC->room.QRorder = 0;
CC->room.QRpasswd[0] = '\0';
CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
CC->room.QRflags |= QR_PERMANENT;
} else {
/* March order (doesn't apply to AIDEROOM) */
if (num_parms(args) >= 7)
CC->room.QRorder = (char) new_order;
/* Room password */
extract_token(buf, args, 1, '|', sizeof buf);
buf[10] = 0;
safestrncpy(CC->room.QRpasswd, buf,
sizeof CC->room.QRpasswd);
/* Kick everyone out if the client requested it
* (by changing the room's generation number)
*/
if (extract_int(args, 4)) {
time(&CC->room.QRgen);
}
}
/* Some changes can't apply to AIDEROOM */
if (!strncasecmp(CC->room.QRname, config.c_baseroom,
ROOMNAMELEN)) {
CC->room.QRorder = 0;
CC->room.QRflags &= ~QR_MAILBOX;
CC->room.QRflags |= QR_PERMANENT;
}
/* Write the room record back to disk */
lputroom(&CC->room);
/* Create a room directory if necessary */
if (CC->room.QRflags & QR_DIRECTORY) {
snprintf(buf, sizeof buf,"%s/%s",
ctdl_file_dir,
CC->room.QRdirname);
mkdir(buf, 0755);
}
snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
CC->room.QRname, CC->curr_user);
aide_message(buf, "Room modification Message");
cprintf("%d Ok\n", CIT_OK);
}
/*
* get the name of the room aide for this room
*/
void cmd_geta(char *cmdbuf)
{
struct ctdluser usbuf;
if (CtdlAccessCheck(ac_logged_in)) return;
if (getuserbynumber(&usbuf, CC->room.QRroomaide) == 0) {
cprintf("%d %s\n", CIT_OK, usbuf.fullname);
} else {
cprintf("%d \n", CIT_OK);
}
}
/*
* set the room aide for this room
*/
void cmd_seta(char *new_ra)
{
struct ctdluser usbuf;
long newu;
char buf[SIZ];
int post_notice;
if (CtdlAccessCheck(ac_room_aide)) return;
if (getuser(&usbuf, new_ra) != 0) {
newu = (-1L);
} else {
newu = usbuf.usernum;
}
lgetroom(&CC->room, CC->room.QRname);
post_notice = 0;
if (CC->room.QRroomaide != newu) {
post_notice = 1;
}
CC->room.QRroomaide = newu;
lputroom(&CC->room);
/*
* We have to post the change notice _after_ writing changes to
* the room table, otherwise it would deadlock!
*/
if (post_notice == 1) {
if (!IsEmptyStr(usbuf.fullname))
snprintf(buf, sizeof buf,
"%s is now the room aide for \"%s\".\n",
usbuf.fullname, CC->room.QRname);
else
snprintf(buf, sizeof buf,
"There is now no room aide for \"%s\".\n",
CC->room.QRname);
aide_message(buf, "Aide Room Modification");
}
cprintf("%d Ok\n", CIT_OK);
}
/*
* retrieve info file for this room
*/
void cmd_rinf(char *gargs)
{
char filename[128];
char buf[SIZ];
FILE *info_fp;
assoc_file_name(filename, sizeof filename, &CC->room, ctdl_info_dir);
info_fp = fopen(filename, "r");
if (info_fp == NULL) {
cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
return;
}
cprintf("%d Info:\n", LISTING_FOLLOWS);
while (fgets(buf, sizeof buf, info_fp) != NULL) {
if (!IsEmptyStr(buf))
buf[strlen(buf) - 1] = 0;
cprintf("%s\n", buf);
}
cprintf("000\n");
fclose(info_fp);
}
/*
* Asynchronously schedule a room for deletion. The room will appear
* deleted to the user(s), but it won't actually get purged from the
* database until THE DREADED AUTO-PURGER makes its next run.
*/
void schedule_room_for_deletion(struct ctdlroom *qrbuf)
{
char old_name[ROOMNAMELEN];
static int seq = 0;
CtdlLogPrintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
qrbuf->QRname);
safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
getroom(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 */
putroom(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 delete_room(struct ctdlroom *qrbuf)
{
struct floor flbuf;
char filename[100];
/* TODO: filename magic? does this realy work? */
CtdlLogPrintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
/* Delete the info file */
assoc_file_name(filename, sizeof filename, qrbuf, ctdl_info_dir);
unlink(filename);
/* Delete the image file */
assoc_file_name(filename, sizeof filename, qrbuf, ctdl_image_dir);
unlink(filename);
/* Delete the room's network config file */
assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
unlink(filename);
/* 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 */
lgetroom(qrbuf, qrbuf->QRname);
qrbuf->QRflags = 0;
lputroom(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 (is_noneditable(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 aide or room aide status.
*/
return(is_room_aide());
}
/*
* aide command: kill the current room
*/
void cmd_kill(char *argbuf)
{
char deleted_room_name[ROOMNAMELEN];
char msg[SIZ];
int kill_ok;
kill_ok = extract_int(argbuf, 0);
if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
return;
}
if (kill_ok) {
if (CC->room.QRflags & QR_MAILBOX) {
safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
}
else {
safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
}
/* Do the dirty work */
schedule_room_for_deletion(&CC->room);
/* Return to the Lobby */
usergoto(config.c_baseroom, 0, 0, NULL, NULL);
/* tell the world what we did */
snprintf(msg, sizeof msg, "The room \"%s\" has been deleted by %s.\n",
deleted_room_name, CC->curr_user);
aide_message(msg, "Room Purger Message");
cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
} else {
cprintf("%d ok to delete.\n", CIT_OK);
}
}
/*
* Internal code to create a new room (returns room flags)
*
* Room types: 0=public, 1=guessname, 2=passworded, 3=inv-only,
* 4=mailbox, 5=mailbox, but caller supplies namespace
*/
unsigned create_room(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;
struct visit vbuf;
CtdlLogPrintf(CTDL_DEBUG, "create_room(name=%s, type=%d, view=%d)\n",
new_room_name, new_room_type, new_room_view);
if (getroom(&qrbuf, new_room_name) == 0) {
CtdlLogPrintf(CTDL_DEBUG, "%s already exists.\n", 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) {
MailboxName(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 aide privileges, do so now; otherwise,
* set the room aide to undefined.
*/
if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
qrbuf.QRroomaide = CC->user.usernum;
} 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... */
putroom(&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);
}
/*
* create a new room
*/
void cmd_cre8(char *args)
{
int cre8_ok;
char new_room_name[ROOMNAMELEN];
int new_room_type;
char new_room_pass[32];
int new_room_floor;
int new_room_view;
char *notification_message = NULL;
unsigned newflags;
struct floor *fl;
int avoid_access = 0;
cre8_ok = extract_int(args, 0);
extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
new_room_name[ROOMNAMELEN - 1] = 0;
new_room_type = extract_int(args, 2);
extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
avoid_access = extract_int(args, 5);
new_room_view = extract_int(args, 6);
new_room_pass[9] = 0;
new_room_floor = 0;
if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
return;
}
if (!strcasecmp(new_room_name, MAILROOM)) {
cprintf("%d '%s' already exists.\n",
ERROR + ALREADY_EXISTS, new_room_name);
return;
}
if (num_parms(args) >= 5) {
fl = cgetfloor(extract_int(args, 4));
if (fl == NULL) {
cprintf("%d Invalid floor number.\n",
ERROR + INVALID_FLOOR_OPERATION);
return;
}
else if ((fl->f_flags & F_INUSE) == 0) {
cprintf("%d Invalid floor number.\n",
ERROR + INVALID_FLOOR_OPERATION);
return;
} else {
new_room_floor = extract_int(args, 4);
}
}
if (CtdlAccessCheck(ac_logged_in)) return;
if (CC->user.axlevel < config.c_createax && !CC->internal_pgm) {
cprintf("%d You need higher access to create rooms.\n",
ERROR + HIGHER_ACCESS_REQUIRED);
return;
}
if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
cprintf("%d Ok to create rooms.\n", CIT_OK);
return;
}
if ((new_room_type < 0) || (new_room_type > 5)) {
cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
return;
}
if (new_room_type == 5) {
if (CC->user.axlevel < 6) {
cprintf("%d Higher access required\n",
ERROR + HIGHER_ACCESS_REQUIRED);
return;
}
}
/* Check to make sure the requested room name doesn't already exist */
newflags = create_room(new_room_name,
new_room_type, new_room_pass, new_room_floor,
0, avoid_access, new_room_view);
if (newflags == 0) {
cprintf("%d '%s' already exists.\n",
ERROR + ALREADY_EXISTS, new_room_name);
return;
}
if (cre8_ok == 0) {
cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
return;
}
/* If we reach this point, the room needs to be created. */
newflags = create_room(new_room_name,
new_room_type, new_room_pass, new_room_floor, 1, 0,
new_room_view);
/* post a message in Aide> describing the new room */
notification_message = malloc(1024);
snprintf(notification_message, 1024,
"A new room called \"%s\" has been created by %s%s%s%s%s%s\n",
new_room_name,
CC->user.fullname,
((newflags & QR_MAILBOX) ? " [personal]" : ""),
((newflags & QR_PRIVATE) ? " [private]" : ""),
((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
((newflags & QR_PASSWORDED) ? " Password: " : ""),
((newflags & QR_PASSWORDED) ? new_room_pass : "")
);
aide_message(notification_message, "Room Creation Message");
free(notification_message);
cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
}
void cmd_einf(char *ok)
{ /* enter info file for current room */
FILE *fp;
char infofilename[SIZ];
char buf[SIZ];
unbuffer_output();
if (CtdlAccessCheck(ac_room_aide)) return;
if (atoi(ok) == 0) {
cprintf("%d Ok.\n", CIT_OK);
return;
}
assoc_file_name(infofilename, sizeof infofilename, &CC->room, ctdl_info_dir);
CtdlLogPrintf(CTDL_DEBUG, "opening\n");
fp = fopen(infofilename, "w");
CtdlLogPrintf(CTDL_DEBUG, "checking\n");
if (fp == NULL) {
cprintf("%d Cannot open %s: %s\n",
ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
return;
}
cprintf("%d Send info...\n", SEND_LISTING);
do {
client_getln(buf, sizeof buf);
if (strcmp(buf, "000"))
fprintf(fp, "%s\n", buf);
} while (strcmp(buf, "000"));
fclose(fp);
/* now update the room index so people will see our new info */
lgetroom(&CC->room, CC->room.QRname); /* lock so no one steps on us */
CC->room.QRinfo = CC->room.QRhighest + 1L;
lputroom(&CC->room);
}
/*
* cmd_lflr() - List all known floors
*/
void cmd_lflr(char *gargs)
{
int a;
struct floor flbuf;
if (CtdlAccessCheck(ac_logged_in)) return;
cprintf("%d Known floors:\n", LISTING_FOLLOWS);
for (a = 0; a < MAXFLOORS; ++a) {
getfloor(&flbuf, a);
if (flbuf.f_flags & F_INUSE) {
cprintf("%d|%s|%d\n",
a,
flbuf.f_name,
flbuf.f_ref_count);
}
}
cprintf("000\n");
}
/*
* create a new floor
*/
void cmd_cflr(char *argbuf)
{
char new_floor_name[256];
struct floor flbuf;
int cflr_ok;
int free_slot = (-1);
int a;
extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
cflr_ok = extract_int(argbuf, 1);
if (CtdlAccessCheck(ac_aide)) return;
if (IsEmptyStr(new_floor_name)) {
cprintf("%d Blank floor name not allowed.\n",
ERROR + ILLEGAL_VALUE);
return;
}
for (a = 0; a < MAXFLOORS; ++a) {
getfloor(&flbuf, a);
/* note any free slots while we're scanning... */
if (((flbuf.f_flags & F_INUSE) == 0)
&& (free_slot < 0))
free_slot = a;
/* check to see if it already exists */
if ((!strcasecmp(flbuf.f_name, new_floor_name))
&& (flbuf.f_flags & F_INUSE)) {
cprintf("%d Floor '%s' already exists.\n",
ERROR + ALREADY_EXISTS,
flbuf.f_name);
return;
}
}
if (free_slot < 0) {
cprintf("%d There is no space available for a new floor.\n",
ERROR + INVALID_FLOOR_OPERATION);
return;
}
if (cflr_ok == 0) {
cprintf("%d ok to create...\n", CIT_OK);
return;
}
lgetfloor(&flbuf, free_slot);
flbuf.f_flags = F_INUSE;
flbuf.f_ref_count = 0;
safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
lputfloor(&flbuf, free_slot);
cprintf("%d %d\n", CIT_OK, free_slot);
}
/*
* delete a floor
*/
void cmd_kflr(char *argbuf)
{
struct floor flbuf;
int floor_to_delete;
int kflr_ok;
int delete_ok;
floor_to_delete = extract_int(argbuf, 0);
kflr_ok = extract_int(argbuf, 1);
if (CtdlAccessCheck(ac_aide)) return;
lgetfloor(&flbuf, floor_to_delete);
delete_ok = 1;
if ((flbuf.f_flags & F_INUSE) == 0) {
cprintf("%d Floor %d not in use.\n",
ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
delete_ok = 0;
} else {
if (flbuf.f_ref_count != 0) {
cprintf("%d Cannot delete; floor contains %d rooms.\n",
ERROR + INVALID_FLOOR_OPERATION,
flbuf.f_ref_count);
delete_ok = 0;
} else {
if (kflr_ok == 1) {
cprintf("%d Ok\n", CIT_OK);
} else {
cprintf("%d Ok to delete...\n", CIT_OK);
}
}
}
if ((delete_ok == 1) && (kflr_ok == 1))
flbuf.f_flags = 0;
lputfloor(&flbuf, floor_to_delete);
}
/*
* edit a floor
*/
void cmd_eflr(char *argbuf)
{
struct floor flbuf;
int floor_num;
int np;
np = num_parms(argbuf);
if (np < 1) {
cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
return;
}
if (CtdlAccessCheck(ac_aide)) return;
floor_num = extract_int(argbuf, 0);
lgetfloor(&flbuf, floor_num);
if ((flbuf.f_flags & F_INUSE) == 0) {
lputfloor(&flbuf, floor_num);
cprintf("%d Floor %d is not in use.\n",
ERROR + INVALID_FLOOR_OPERATION, floor_num);
return;
}
if (np >= 2)
extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
lputfloor(&flbuf, floor_num);
cprintf("%d Ok\n", CIT_OK);
}
/*****************************************************************************/
/* MODULE INITIALIZATION STUFF */
/*****************************************************************************/
CTDL_MODULE_INIT(room_ops)
{
CtdlRegisterProtoHook(cmd_lrms, "LRMS", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lkra, "LKRA", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lkro, "LKRO", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lprm, "LPRM", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_goto, "GOTO", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_whok, "WHOK", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_rdir, "RDIR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_getr, "GETR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_setr, "SETR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_geta, "GETA", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_seta, "SETA", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_rinf, "RINF", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_kill, "KILL", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_cre8, "CRE8", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_einf, "EINF", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_lflr, "LFLR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_kflr, "KFLR", "Autoconverted. TODO: document me.");
CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Autoconverted. TODO: document me.");
/* return our Subversion id for the Log */
return "$Id: room_ops.c 7737 2009-08-20 16:50:50Z ajc $";
}