]> code.citadel.org Git - citadel.git/blobdiff - citadel/room_ops.c
* The size constant "256" which shows up everywhere as a buffer size has now
[citadel.git] / citadel / room_ops.c
index d6a37b282fc57fb6da2956d8a73c0036f0e05e23..e8e0df69b3270ea98133ee93805895b35bf477fe 100644 (file)
@@ -1,13 +1,15 @@
-/* $Id$ */
+/* 
+ * $Id$
+ * 
+ * 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 <string.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
 #include <time.h>
 #include <limits.h>
 #include <errno.h>
@@ -20,7 +22,6 @@
 #include "support.h"
 #include "user_ops.h"
 #include "msgbase.h"
-#include "serv_chat.h"
 #include "citserver.h"
 #include "control.h"
 #include "tools.h"
@@ -98,12 +99,18 @@ int CtdlRoomAccess(struct quickroom *roombuf, struct usersupp *userbuf)
        if (vbuf.v_flags & V_LOCKOUT) {
                retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
        }
+
        /* Aides get access to everything */
        if (userbuf->axlevel >= 6) {
-               retval = retval | UA_KNOWN | UA_GOTOALLOWED;
-               retval = retval & ~UA_ZAPPED;
+               if (vbuf.v_flags & V_FORGET) {
+                       retval = retval | UA_GOTOALLOWED;
+               }
+               else {
+                       retval = retval | UA_KNOWN | UA_GOTOALLOWED;
+               }
        }
-      NEWMSG:                  /* By the way, we also check for the presence of new messages */
+
+NEWMSG:        /* By the way, we also check for the presence of new messages */
        if ((roombuf->QRhighest) > (vbuf.v_lastseen)) {
                retval = retval | UA_HASNEWMSGS;
        }
@@ -174,8 +181,10 @@ int getroom(struct quickroom *qrbuf, char *room_name)
  */
 int lgetroom(struct quickroom *qrbuf, char *room_name)
 {
-       begin_critical_section(S_QUICKROOM);
-       return (getroom(qrbuf, room_name));
+       register int retval;
+       retval = getroom(qrbuf, room_name);
+       if (retval == 0) begin_critical_section(S_QUICKROOM);
+       return(retval);
 }
 
 
@@ -294,7 +303,8 @@ void lputfloor(struct floor *flbuf, int floor_num)
 /* 
  *  Traverse the room file...
  */
-void ForEachRoom(void (*CallBack) (struct quickroom * EachRoom))
+void ForEachRoom(void (*CallBack) (struct quickroom *EachRoom, void *out_data),
+               void *in_data)
 {
        struct quickroom qrbuf;
        struct cdbdata *cdbqr;
@@ -309,145 +319,31 @@ void ForEachRoom(void (*CallBack) (struct quickroom * EachRoom))
                cdb_free(cdbqr);
                room_sanity_check(&qrbuf);
                if (qrbuf.QRflags & QR_INUSE)
-                       (*CallBack) (&qrbuf);
+                       (*CallBack)(&qrbuf, in_data);
        }
 }
 
 
-
-/*
- * get_msglist()  -  retrieve room message pointers
- */
-void get_msglist(struct quickroom *whichroom)
-{
-       struct cdbdata *cdbfr;
-
-       if (CC->msglist != NULL) {
-               phree(CC->msglist);
-       }
-       CC->msglist = NULL;
-       CC->num_msgs = 0;
-
-       cdbfr = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
-       if (cdbfr == NULL) {
-               return;
-       }
-       CC->msglist = mallok(cdbfr->len);
-       memcpy(CC->msglist, cdbfr->ptr, cdbfr->len);
-       CC->num_msgs = cdbfr->len / sizeof(long);
-       cdb_free(cdbfr);
-}
-
-
-/*
- * put_msglist()  -  retrieve room message pointers
- */
-void put_msglist(struct quickroom *whichroom)
-{
-
-       if (CC->msglist != NULL)
-               cdb_store(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long),
-                         CC->msglist, CC->num_msgs * sizeof(long));
-}
-
-
 /*
  * delete_msglist()  -  delete room message pointers
- * FIX - this really should check first to make sure there's actually a
- *       msglist to delete.  As things stand now, calling this function on
- *       a room which has never been posted in will result in a message
- *       like "gdbm: illegal data" (no big deal, but could use fixing).
  */
 void delete_msglist(struct quickroom *whichroom)
 {
+        struct cdbdata *cdbml;
 
-       cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
-}
-
-
-/* 
- * Add a message number to a room's message list.  
- * So, why doesn't this function use the get_msglist() and put_msglist() stuff
- * defined above?  Because the room the message number is being written to
- * may not be the current room (as is the case with cmd_move() for example).
- *
- * This function returns the highest message number present in the room after
- * the add operation is performed - which is not necessarily the message
- * being added.
- */
-long AddMessageToRoom(struct quickroom *whichroom, long newmsgid)
-{
-       struct cdbdata *cdbfr;
-       int num_msgs;
-       long *msglist;
-       long highest_msg = 0L;
-
-       lprintf(9, "AddMessageToRoom(%s, %ld)\n", whichroom->QRname, newmsgid);
-       cdbfr = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
-       if (cdbfr == NULL) {
-               msglist = NULL;
-               num_msgs = 0;
-       } else {
-               msglist = mallok(cdbfr->len);
-               if (msglist == NULL)
-                       lprintf(3, "ERROR malloc msglist!\n");
-               num_msgs = cdbfr->len / sizeof(long);
-               memcpy(msglist, cdbfr->ptr, cdbfr->len);
-               cdb_free(cdbfr);
-       }
-
-       /* Now add the new message */
-       ++num_msgs;
-       msglist = reallok(msglist,
-                         (num_msgs * sizeof(long)));
+       /* 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);
 
-       if (msglist == NULL) {
-               lprintf(3, "ERROR: can't realloc message list!\n");
+               /* Go ahead and delete it */
+               cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
        }
-       msglist[num_msgs - 1] = newmsgid;
-
-       /* Sort the message list, so all the msgid's are in order */
-       num_msgs = sort_msglist(msglist, num_msgs);
-
-       /* Determine the highest message number */
-       highest_msg = msglist[num_msgs - 1];
-
-       /* Write it back to disk. */
-       cdb_store(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long),
-                 msglist, num_msgs * sizeof(long));
-
-       /* And finally, free up the memory we used. */
-       phree(msglist);
-       return (highest_msg);
 }
 
 
-/*
- * MessageFromList()  -  get a message number from the list currently in memory
- */
-long MessageFromList(int whichpos)
-{
-
-       /* Return zero if the position is invalid */
-       if (whichpos >= CC->num_msgs)
-               return 0L;
-
-       return (CC->msglist[whichpos]);
-}
-
-/* 
- * SetMessageInList()  -  set a message number in the list currently in memory
- */
-void SetMessageInList(int whichpos, long newmsgnum)
-{
-
-       /* Return zero if the position is invalid */
-       if (whichpos >= CC->num_msgs)
-               return;
-
-       CC->msglist[whichpos] = newmsgnum;
-}
-
 
 
 /*
@@ -479,7 +375,7 @@ int sort_msglist(long listptrs[], int oldcount)
        /* and yank any nulls */
        while ((numitems > 0) && (listptrs[0] == 0L)) {
                memcpy(&listptrs[0], &listptrs[1],
-                      (sizeof(long) * (CC->num_msgs - 1)));
+                      (sizeof(long) * (numitems - 1)));
                --numitems;
        }
 
@@ -540,32 +436,33 @@ void list_roomname(struct quickroom *qrbuf)
 /* 
  * cmd_lrms()   -  List all accessible rooms, known or forgotten
  */
-void cmd_lrms_backend(struct quickroom *qrbuf)
+void cmd_lrms_backend(struct quickroom *qrbuf, void *data)
 {
+       int FloorBeingSearched = (-1);
+       FloorBeingSearched = *(int *)data;
+
        if (((CtdlRoomAccess(qrbuf, &CC->usersupp)
              & (UA_KNOWN | UA_ZAPPED)))
-           && ((qrbuf->QRfloor == (CC->FloorBeingSearched))
-               || ((CC->FloorBeingSearched) < 0)))
+           && ((qrbuf->QRfloor == (FloorBeingSearched))
+               || ((FloorBeingSearched) < 0)))
                list_roomname(qrbuf);
 }
 
 void cmd_lrms(char *argbuf)
 {
-       CC->FloorBeingSearched = (-1);
+       int FloorBeingSearched = (-1);
        if (strlen(argbuf) > 0)
-               CC->FloorBeingSearched = extract_int(argbuf, 0);
+               FloorBeingSearched = extract_int(argbuf, 0);
+
+       if (CtdlAccessCheck(ac_logged_in)) return;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
        if (getuser(&CC->usersupp, 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);
+       ForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
        cprintf("000\n");
 }
 
@@ -574,32 +471,33 @@ void cmd_lrms(char *argbuf)
 /* 
  * cmd_lkra()   -  List all known rooms
  */
-void cmd_lkra_backend(struct quickroom *qrbuf)
+void cmd_lkra_backend(struct quickroom *qrbuf, void *data)
 {
+       int FloorBeingSearched = (-1);
+       FloorBeingSearched = *(int *)data;
+
        if (((CtdlRoomAccess(qrbuf, &CC->usersupp)
              & (UA_KNOWN)))
-           && ((qrbuf->QRfloor == (CC->FloorBeingSearched))
-               || ((CC->FloorBeingSearched) < 0)))
+           && ((qrbuf->QRfloor == (FloorBeingSearched))
+               || ((FloorBeingSearched) < 0)))
                list_roomname(qrbuf);
 }
 
 void cmd_lkra(char *argbuf)
 {
-       CC->FloorBeingSearched = (-1);
+       int FloorBeingSearched = (-1);
        if (strlen(argbuf) > 0)
-               CC->FloorBeingSearched = extract_int(argbuf, 0);
+               FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+       
        if (getuser(&CC->usersupp, 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);
+       ForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
        cprintf("000\n");
 }
 
@@ -608,35 +506,35 @@ void cmd_lkra(char *argbuf)
 /* 
  * cmd_lkrn()   -  List all known rooms with new messages
  */
-void cmd_lkrn_backend(struct quickroom *qrbuf)
+void cmd_lkrn_backend(struct quickroom *qrbuf, void *data)
 {
        int ra;
+       int FloorBeingSearched = (-1);
+       FloorBeingSearched = *(int *)data;
 
        ra = CtdlRoomAccess(qrbuf, &CC->usersupp);
        if ((ra & UA_KNOWN)
            && (ra & UA_HASNEWMSGS)
-           && ((qrbuf->QRfloor == (CC->FloorBeingSearched))
-               || ((CC->FloorBeingSearched) < 0)))
+           && ((qrbuf->QRfloor == (FloorBeingSearched))
+               || ((FloorBeingSearched) < 0)))
                list_roomname(qrbuf);
 }
 
 void cmd_lkrn(char *argbuf)
 {
-       CC->FloorBeingSearched = (-1);
+       int FloorBeingSearched = (-1);
        if (strlen(argbuf) > 0)
-               CC->FloorBeingSearched = extract_int(argbuf, 0);
+               FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+       
        if (getuser(&CC->usersupp, 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);
+       ForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
        cprintf("000\n");
 }
 
@@ -645,35 +543,35 @@ void cmd_lkrn(char *argbuf)
 /* 
  * cmd_lkro()   -  List all known rooms
  */
-void cmd_lkro_backend(struct quickroom *qrbuf)
+void cmd_lkro_backend(struct quickroom *qrbuf, void *data)
 {
        int ra;
+       int FloorBeingSearched = (-1);
+       FloorBeingSearched = *(int *)data;
 
        ra = CtdlRoomAccess(qrbuf, &CC->usersupp);
        if ((ra & UA_KNOWN)
            && ((ra & UA_HASNEWMSGS) == 0)
-           && ((qrbuf->QRfloor == (CC->FloorBeingSearched))
-               || ((CC->FloorBeingSearched) < 0)))
+           && ((qrbuf->QRfloor == (FloorBeingSearched))
+               || ((FloorBeingSearched) < 0)))
                list_roomname(qrbuf);
 }
 
 void cmd_lkro(char *argbuf)
 {
-       CC->FloorBeingSearched = (-1);
+       int FloorBeingSearched = (-1);
        if (strlen(argbuf) > 0)
-               CC->FloorBeingSearched = extract_int(argbuf, 0);
+               FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+       
        if (getuser(&CC->usersupp, 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);
+       ForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
        cprintf("000\n");
 }
 
@@ -682,41 +580,41 @@ void cmd_lkro(char *argbuf)
 /* 
  * cmd_lzrm()   -  List all forgotten rooms
  */
-void cmd_lzrm_backend(struct quickroom *qrbuf)
+void cmd_lzrm_backend(struct quickroom *qrbuf, void *data)
 {
        int ra;
+       int FloorBeingSearched = (-1);
+       FloorBeingSearched = *(int *)data;
 
        ra = CtdlRoomAccess(qrbuf, &CC->usersupp);
        if ((ra & UA_GOTOALLOWED)
            && (ra & UA_ZAPPED)
-           && ((qrbuf->QRfloor == (CC->FloorBeingSearched))
-               || ((CC->FloorBeingSearched) < 0)))
+           && ((qrbuf->QRfloor == (FloorBeingSearched))
+               || ((FloorBeingSearched) < 0)))
                list_roomname(qrbuf);
 }
 
 void cmd_lzrm(char *argbuf)
 {
-       CC->FloorBeingSearched = (-1);
+       int FloorBeingSearched = (-1);
        if (strlen(argbuf) > 0)
-               CC->FloorBeingSearched = extract_int(argbuf, 0);
+               FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+       
        if (getuser(&CC->usersupp, 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);
+       ForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
        cprintf("000\n");
 }
 
 
 
-void usergoto(char *where, int display_result)
+void usergoto(char *where, int display_result, int *retmsgs, int *retnew)
 {
        int a;
        int new_messages = 0;
@@ -727,6 +625,9 @@ void usergoto(char *where, int display_result)
        int newmailcount = 0;
        struct visit vbuf;
        char truncated_roomname[ROOMNAMELEN];
+        struct cdbdata *cdbfr;
+       long *msglist = NULL;
+       int num_msgs = 0;
 
        strcpy(CC->quickroom.QRname, where);
        getroom(&CC->quickroom, where);
@@ -740,7 +641,7 @@ void usergoto(char *where, int display_result)
                vbuf.v_flags = vbuf.v_flags | V_ACCESS;
        }
        CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
-       lputuser(&CC->usersupp, CC->curr_user);
+       lputuser(&CC->usersupp);
 
        /* check for new mail */
        newmailcount = NewMailCount();
@@ -750,16 +651,25 @@ void usergoto(char *where, int display_result)
                info = 1;
 
        get_mm();
-       get_msglist(&CC->quickroom);
-       for (a = 0; a < CC->num_msgs; ++a) {
-               if (MessageFromList(a) > 0L) {
+        cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
+        if (cdbfr != NULL) {
+               msglist = mallok(cdbfr->len);
+               memcpy(msglist, cdbfr->ptr, cdbfr->len);
+               num_msgs = cdbfr->len / sizeof(long);
+               cdb_free(cdbfr);
+       }
+
+       if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
+               if (msglist[a] > 0L) {
                        ++total_messages;
-                       if (MessageFromList(a) > vbuf.v_lastseen) {
+                       if (msglist[a] > vbuf.v_lastseen) {
                                ++new_messages;
                        }
                }
        }
 
+       if (msglist != NULL) phree(msglist);
+
        if (CC->quickroom.QRflags & QR_MAILBOX)
                rmailflag = 1;
        else
@@ -775,17 +685,23 @@ void usergoto(char *where, int display_result)
        if (CC->quickroom.QRflags & QR_MAILBOX) {
                strcpy(truncated_roomname, &truncated_roomname[11]);
        }
+
+       if (retmsgs != NULL) *retmsgs = total_messages;
+       if (retnew != NULL) *retnew = new_messages;
+       lprintf(9, "<%s> %d new of %d total messages\n",
+               CC->quickroom.QRname, new_messages, total_messages);
+
        if (display_result)
                cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d\n",
-                       OK, check_express(),
+                       OK, CtdlCheckExpress(),
                        truncated_roomname,
                        new_messages, total_messages,
                        info, CC->quickroom.QRflags,
                        CC->quickroom.QRhighest,
                        vbuf.v_lastseen,
-                       rmailflag, raideflag, newmailcount, CC->quickroom.QRfloor);
+                       rmailflag, raideflag, newmailcount,
+                       CC->quickroom.QRfloor);
 
-       set_wtmpsupp_to_current_room();
 }
 
 
@@ -798,14 +714,12 @@ void cmd_goto(char *gargs)
        int c;
        int ok = 0;
        int ra;
-       char augmented_roomname[256];
-       char towhere[256];
-       char password[256];
+       char augmented_roomname[SIZ];
+       char towhere[SIZ];
+       char password[SIZ];
+
+       if (CtdlAccessCheck(ac_logged_in)) return;
 
-       if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
-               cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
        extract(towhere, gargs, 0);
        extract(password, gargs, 1);
 
@@ -831,14 +745,16 @@ void cmd_goto(char *gargs)
                if (c == 0)
                        strcpy(towhere, augmented_roomname);
        }
+
        /* And if the room was found... */
        if (c == 0) {
 
                /* let internal programs go directly to any room */
                if (CC->internal_pgm) {
-                       usergoto(towhere, 1);
+                       usergoto(towhere, 1, NULL, NULL);
                        return;
                }
+
                /* See if there is an existing user/room relationship */
                ra = CtdlRoomAccess(&QRscratch, &CC->usersupp);
 
@@ -860,12 +776,13 @@ void cmd_goto(char *gargs)
                                   ((ra & UA_KNOWN) == 0)) {
                                goto NOPE;
                        } else {
-                               usergoto(towhere, 1);
+                               usergoto(towhere, 1, NULL, NULL);
                                return;
                        }
                }
        }
-      NOPE:cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
+
+NOPE:  cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 }
 
 
@@ -874,22 +791,14 @@ void cmd_whok(void)
        struct usersupp temp;
        struct cdbdata *cdbus;
 
-       if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
        getuser(&CC->usersupp, CC->curr_user);
+       if (CtdlAccessCheck(ac_room_aide)) return;
 
-       if ((!is_room_aide()) && (!(CC->internal_pgm))) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
        cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
        cdb_rewind(CDB_USERSUPP);
        while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
-               memset(&temp, 0, sizeof(struct usersupp));
-               memcpy(&temp, cdbus->ptr, cdbus->len);
+               memset(&temp, 0, sizeof temp);
+               memcpy(&temp, cdbus->ptr, sizeof temp);
                cdb_free(cdbus);
 
                if ((CC->quickroom.QRflags & QR_INUSE)
@@ -906,16 +815,14 @@ void cmd_whok(void)
  */
 void cmd_rdir(void)
 {
-       char buf[256];
-       char flnm[256];
-       char comment[256];
+       char buf[SIZ];
+       char flnm[SIZ];
+       char comment[SIZ];
        FILE *ls, *fd;
        struct stat statbuf;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+       
        getroom(&CC->quickroom, CC->quickroom.QRname);
        getuser(&CC->usersupp, CC->curr_user);
 
@@ -932,9 +839,9 @@ void cmd_rdir(void)
        cprintf("%d %s|%s/files/%s\n",
        LISTING_FOLLOWS, config.c_fqdn, BBSDIR, CC->quickroom.QRdirname);
 
-       sprintf(buf, "cd %s/files/%s; ls >%s 2>/dev/null",
-               BBSDIR, CC->quickroom.QRdirname, CC->temp);
-       system(buf);
+        sprintf(buf, "ls %s/files/%s  >%s 2> /dev/null",
+                BBSDIR, CC->quickroom.QRdirname, CC->temp);
+        system(buf);
 
        sprintf(buf, "%s/files/%s/filedir", BBSDIR, CC->quickroom.QRdirname);
        fd = fopen(buf, "r");
@@ -942,7 +849,7 @@ void cmd_rdir(void)
                fd = fopen("/dev/null", "r");
 
        ls = fopen(CC->temp, "r");
-       while (fgets(flnm, 256, ls) != NULL) {
+       while (fgets(flnm, sizeof flnm, ls) != NULL) {
                flnm[strlen(flnm) - 1] = 0;
                if (strcasecmp(flnm, "filedir")) {
                        sprintf(buf, "%s/files/%s/%s",
@@ -950,13 +857,14 @@ void cmd_rdir(void)
                        stat(buf, &statbuf);
                        strcpy(comment, "");
                        fseek(fd, 0L, 0);
-                       while ((fgets(buf, 256, fd) != NULL)
+                       while ((fgets(buf, sizeof buf, fd) != NULL)
                               && (strlen(comment) == 0)) {
                                buf[strlen(buf) - 1] = 0;
                                if ((!strncasecmp(buf, flnm, strlen(flnm)))
                                    && (buf[strlen(flnm)] == ' '))
-                                       strncpy(comment,
-                                           &buf[strlen(flnm) + 1], 255);
+                                       safestrncpy(comment,
+                                           &buf[strlen(flnm) + 1],
+                                           sizeof comment);
                        }
                        cprintf("%s|%ld|%s\n", flnm, statbuf.st_size, comment);
                }
@@ -973,22 +881,18 @@ void cmd_rdir(void)
  */
 void cmd_getr(void)
 {
-       if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if ((!is_room_aide()) && (!(CC->internal_pgm))) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
+       if (CtdlAccessCheck(ac_room_aide)) return;
+
+       /********
        if (is_noneditable(&CC->quickroom)) {
                cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
                return;
        }
+       ************/
+
        getroom(&CC->quickroom, CC->quickroom.QRname);
        cprintf("%d%c%s|%s|%s|%d|%d|%d\n",
-               OK, check_express(),
+               OK, CtdlCheckExpress(),
                CC->quickroom.QRname,
                ((CC->quickroom.QRflags & QR_PASSWORDED) ? CC->quickroom.QRpasswd : ""),
                ((CC->quickroom.QRflags & QR_DIRECTORY) ? CC->quickroom.QRdirname : ""),
@@ -1003,25 +907,26 @@ void cmd_getr(void)
  */
 void cmd_setr(char *args)
 {
-       char buf[256];
+       char buf[SIZ];
        struct floor flbuf;
        char old_name[ROOMNAMELEN];
        int old_floor;
        int new_order = 0;
+       int ne = 0;
+
+       if (CtdlAccessCheck(ac_room_aide)) return;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (!is_room_aide()) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
        if (is_noneditable(&CC->quickroom)) {
+               ne = 1;
+       }
+
+       /***
                cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
                return;
        }
+       ***/
+
+
        if (num_parms(args) >= 6) {
                getfloor(&flbuf, extract_int(args, 5));
                if ((flbuf.f_flags & F_INUSE) == 0) {
@@ -1038,16 +943,23 @@ void cmd_setr(char *args)
                        new_order = 127;
        }
        lgetroom(&CC->quickroom, CC->quickroom.QRname);
+
+       /* Non-editable base rooms can't be renamed */
        strcpy(old_name, CC->quickroom.QRname);
-       extract(buf, args, 0);
-       buf[ROOMNAMELEN] = 0;
-       strncpy(CC->quickroom.QRname, buf, ROOMNAMELEN - 1);
+       if (!ne) {
+               extract(buf, args, 0);
+               buf[ROOMNAMELEN] = 0;
+               safestrncpy(CC->quickroom.QRname, buf,
+                       sizeof CC->quickroom.QRname);
+       }
+
        extract(buf, args, 1);
        buf[10] = 0;
-       strncpy(CC->quickroom.QRpasswd, buf, 9);
+       safestrncpy(CC->quickroom.QRpasswd, buf, sizeof CC->quickroom.QRpasswd);
        extract(buf, args, 2);
        buf[15] = 0;
-       strncpy(CC->quickroom.QRdirname, buf, 19);
+       safestrncpy(CC->quickroom.QRdirname, buf,
+               sizeof CC->quickroom.QRdirname);
        CC->quickroom.QRflags = (extract_int(args, 3) | QR_INUSE);
        if (num_parms(args) >= 7)
                CC->quickroom.QRorder = (char) new_order;
@@ -1094,7 +1006,7 @@ void cmd_setr(char *args)
                        CC->quickroom.QRdirname);
                system(buf);
        }
-       sprintf(buf, "%s> edited by %s", CC->quickroom.QRname, CC->curr_user);
+       sprintf(buf, "%s> edited by %s\n", CC->quickroom.QRname, CC->curr_user);
        aide_message(buf);
        cprintf("%d Ok\n", OK);
 }
@@ -1108,10 +1020,8 @@ void cmd_geta(void)
 {
        struct usersupp usbuf;
 
-       if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
+
        if (is_noneditable(&CC->quickroom)) {
                cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
                return;
@@ -1131,18 +1041,11 @@ void cmd_seta(char *new_ra)
 {
        struct usersupp usbuf;
        long newu;
-       char buf[256];
+       char buf[SIZ];
        int post_notice;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (!is_room_aide()) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
+       if (CtdlAccessCheck(ac_room_aide)) return;
+
        if (getuser(&usbuf, new_ra) != 0) {
                newu = (-1L);
        } else {
@@ -1162,7 +1065,7 @@ void cmd_seta(char *new_ra)
         * the room table, otherwise it would deadlock!
         */
        if (post_notice == 1) {
-               sprintf(buf, "%s is now room aide for %s>",
+               sprintf(buf, "%s is now room aide for %s>\n",
                        usbuf.fullname, CC->quickroom.QRname);
                aide_message(buf);
        }
@@ -1183,7 +1086,7 @@ void assoc_file_name(char *buf, struct quickroom *qrbuf, char *prefix)
 void cmd_rinf(void)
 {
        char filename[128];
-       char buf[256];
+       char buf[SIZ];
        FILE *info_fp;
 
        assoc_file_name(filename, &CC->quickroom, "info");
@@ -1194,7 +1097,7 @@ void cmd_rinf(void)
                return;
        }
        cprintf("%d Info:\n", LISTING_FOLLOWS);
-       while (fgets(buf, 256, info_fp) != NULL) {
+       while (fgets(buf, sizeof buf, info_fp) != NULL) {
                if (strlen(buf) > 0)
                        buf[strlen(buf) - 1] = 0;
                cprintf("%s\n", buf);
@@ -1209,36 +1112,30 @@ void cmd_rinf(void)
 void delete_room(struct quickroom *qrbuf)
 {
        struct floor flbuf;
-       long MsgToDelete;
-       char aaa[100];
-       int a;
+       char filename[100];
 
        lprintf(9, "Deleting room <%s>\n", qrbuf->QRname);
 
        /* Delete the info file */
-       assoc_file_name(aaa, qrbuf, "info");
-       unlink(aaa);
+       assoc_file_name(filename, qrbuf, "info");
+       unlink(filename);
 
        /* Delete the image file */
-       assoc_file_name(aaa, qrbuf, "images");
-       unlink(aaa);
+       assoc_file_name(filename, qrbuf, "images");
+       unlink(filename);
+
+       /* Delete the room's network config file */
+       assoc_file_name(filename, qrbuf, "netconfigs");
+       unlink(filename);
+
+       /* Delete the messages in the room
+        * (Careful: this opens an S_QUICKROOM critical section!)
+        */
+       CtdlDeleteMessages(qrbuf->QRname, 0L, "");
 
-       /* first flag the room record as not in use */
+       /* Flag the room record as not in use */
        lgetroom(qrbuf, qrbuf->QRname);
        qrbuf->QRflags = 0;
-
-       /* then delete the messages in the room */
-       get_msglist(qrbuf);
-       if (CC->num_msgs > 0)
-               for (a = 0; a < CC->num_msgs; ++a) {
-                       MsgToDelete = MessageFromList(a);
-                       AdjRefCount(MsgToDelete, -1);
-               }
-       put_msglist(qrbuf);
-       phree(CC->msglist);
-       CC->msglist = NULL;
-       CC->num_msgs = 0;
-       delete_msglist(qrbuf);
        lputroom(qrbuf);
 
        /* then decrement the reference count for the floor */
@@ -1262,15 +1159,8 @@ void cmd_kill(char *argbuf)
 
        kill_ok = extract_int(argbuf, 0);
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (!is_room_aide()) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
+       if (CtdlAccessCheck(ac_room_aide)) return;
+
        if (is_noneditable(&CC->quickroom)) {
                cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
                return;
@@ -1278,10 +1168,10 @@ void cmd_kill(char *argbuf)
        if (kill_ok) {
                strcpy(deleted_room_name, CC->quickroom.QRname);
                delete_room(&CC->quickroom);    /* Do the dirty work */
-               usergoto(BASEROOM, 0);  /* Return to the Lobby */
+               usergoto(BASEROOM, 0, NULL, NULL); /* Return to the Lobby */
 
                /* tell the world what we did */
-               sprintf(aaa, "%s> killed by %s",
+               sprintf(aaa, "%s> killed by %s\n",
                        deleted_room_name, CC->curr_user);
                aide_message(aaa);
                cprintf("%d '%s' deleted.\n", OK, deleted_room_name);
@@ -1306,12 +1196,15 @@ unsigned create_room(char *new_room_name,
        struct floor flbuf;
        struct visit vbuf;
 
-       if (getroom(&qrbuf, new_room_name) == 0)
+       lprintf(9, "create_room(%s)\n", new_room_name);
+       if (getroom(&qrbuf, new_room_name) == 0) {
+               lprintf(9, "%s already exists.\n", new_room_name);
                return (0);     /* already exists */
+       }
 
        memset(&qrbuf, 0, sizeof(struct quickroom));
-       strncpy(qrbuf.QRname, new_room_name, ROOMNAMELEN);
-       strncpy(qrbuf.QRpasswd, new_room_pass, 9);
+       safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
+       safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
        qrbuf.QRflags = QR_INUSE;
        qrbuf.QRnumber = get_new_room_number();
        if (new_room_type > 0)
@@ -1351,7 +1244,7 @@ unsigned create_room(char *new_room_name,
        vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
        vbuf.v_flags = vbuf.v_flags | V_ACCESS;
        CtdlSetRelationship(&vbuf, &CC->usersupp, &qrbuf);
-       lputuser(&CC->usersupp, CC->curr_user);
+       lputuser(&CC->usersupp);
 
        /* resume our happy day */
        return (qrbuf.QRflags);
@@ -1364,11 +1257,11 @@ unsigned create_room(char *new_room_name,
 void cmd_cre8(char *args)
 {
        int cre8_ok;
-       char new_room_name[256];
+       char new_room_name[SIZ];
        int new_room_type;
-       char new_room_pass[256];
+       char new_room_pass[SIZ];
        int new_room_floor;
-       char aaa[256];
+       char aaa[SIZ];
        unsigned newflags;
        struct quickroom qrbuf;
        struct floor flbuf;
@@ -1403,10 +1296,7 @@ void cmd_cre8(char *args)
                }
        }
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
+       if (CtdlAccessCheck(ac_logged_in)) return;
 
        if (CC->usersupp.axlevel < config.c_createax) {
                cprintf("%d You need higher access to create rooms.\n",
@@ -1449,7 +1339,7 @@ void cmd_cre8(char *args)
                           new_room_type, new_room_pass, new_room_floor);
 
        /* post a message in Aide> describing the new room */
-       strncpy(aaa, new_room_name, 255);
+       safestrncpy(aaa, new_room_name, sizeof aaa);
        strcat(aaa, "> created by ");
        strcat(aaa, CC->usersupp.fullname);
        if (newflags & QR_MAILBOX)
@@ -1462,6 +1352,7 @@ void cmd_cre8(char *args)
                strcat(aaa, "\n Password: ");
                strcat(aaa, new_room_pass);
        }
+       strcat(aaa, "\n");
        aide_message(aaa);
 
        cprintf("%d '%s' has been created.\n", OK, qrbuf.QRname);
@@ -1472,18 +1363,11 @@ void cmd_cre8(char *args)
 void cmd_einf(char *ok)
 {                              /* enter info file for current room */
        FILE *fp;
-       char infofilename[256];
-       char buf[256];
+       char infofilename[SIZ];
+       char buf[SIZ];
+
+       if (CtdlAccessCheck(ac_room_aide)) return;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (!is_room_aide()) {
-               cprintf("%d Higher access required.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
        if (atoi(ok) == 0) {
                cprintf("%d Ok.\n", OK);
                return;
@@ -1521,15 +1405,7 @@ void cmd_lflr(void)
        int a;
        struct floor flbuf;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       /* if (getuser(&CC->usersupp,CC->curr_user)) {
-          cprintf("%d Can't locate user!\n",ERROR+INTERNAL_ERROR);
-          return;
-          }
-        */
+       if (CtdlAccessCheck(ac_logged_in)) return;
 
        cprintf("%d Known floors:\n", LISTING_FOLLOWS);
 
@@ -1552,7 +1428,7 @@ void cmd_lflr(void)
  */
 void cmd_cflr(char *argbuf)
 {
-       char new_floor_name[256];
+       char new_floor_name[SIZ];
        struct floor flbuf;
        int cflr_ok;
        int free_slot = (-1);
@@ -1562,15 +1438,8 @@ void cmd_cflr(char *argbuf)
        cflr_ok = extract_int(argbuf, 1);
 
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (CC->usersupp.axlevel < 6) {
-               cprintf("%d You need higher access to create rooms.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
+       if (CtdlAccessCheck(ac_aide)) return;
+
        for (a = 0; a < MAXFLOORS; ++a) {
                getfloor(&flbuf, a);
 
@@ -1601,7 +1470,7 @@ void cmd_cflr(char *argbuf)
        lgetfloor(&flbuf, free_slot);
        flbuf.f_flags = F_INUSE;
        flbuf.f_ref_count = 0;
-       strncpy(flbuf.f_name, new_floor_name, 255);
+       safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
        lputfloor(&flbuf, free_slot);
        cprintf("%d %d\n", OK, free_slot);
 }
@@ -1621,16 +1490,8 @@ void cmd_kflr(char *argbuf)
        floor_to_delete = extract_int(argbuf, 0);
        kflr_ok = extract_int(argbuf, 1);
 
+       if (CtdlAccessCheck(ac_aide)) return;
 
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (CC->usersupp.axlevel < 6) {
-               cprintf("%d You need higher access to delete floors.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
        lgetfloor(&flbuf, floor_to_delete);
 
        delete_ok = 1;
@@ -1674,15 +1535,9 @@ void cmd_eflr(char *argbuf)
                cprintf("%d Usage error.\n", ERROR);
                return;
        }
-       if (!(CC->logged_in)) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
-       }
-       if (CC->usersupp.axlevel < 6) {
-               cprintf("%d You need higher access to edit floors.\n",
-                       ERROR + HIGHER_ACCESS_REQUIRED);
-               return;
-       }
+
+       if (CtdlAccessCheck(ac_aide)) return;
+
        floor_num = extract_int(argbuf, 0);
        lgetfloor(&flbuf, floor_num);
        if ((flbuf.f_flags & F_INUSE) == 0) {