Removed the logging facility from citserver, use syslog instead
[citadel.git] / citadel / room_ops.c
index 5904b41eb871220e3958f34c9b78468b3e8a0f5f..91fca856b2412078ab020815170d80ba33ceeb52 100644 (file)
@@ -1,6 +1,4 @@
 /* 
- * $Id$
- * 
  * Server functions which perform operations on room objects.
  *
  */
@@ -35,7 +33,6 @@
 #include "room_ops.h"
 #include "sysdep_decls.h"
 #include "support.h"
-#include "user_ops.h"
 #include "msgbase.h"
 #include "citserver.h"
 #include "control.h"
@@ -43,6 +40,7 @@
 #include "threads.h"
 
 #include "ctdl_module.h"
+#include "user_ops.h"
 
 struct floor *floorcache[MAXFLOORS];
 
@@ -53,22 +51,44 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
                int *result, int *view)
 {
        int retval = 0;
-       struct visit vbuf;
+       visit vbuf;
+       int is_me = 0;
+       int is_guest = 0;
+
+       if (userbuf == &CC->user) {
+               is_me = 1;
+       }
+
+       if ((is_me) && (config.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);
+               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 */
-       CtdlGetRelationship(&vbuf, userbuf, roombuf);
+       if (is_guest) {
+               memset(&vbuf, 0, sizeof vbuf);
+       }
+       else {
+               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;
+               if (userbuf->axlevel >= AxAideU) {
+                       retval = UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED;
                } else {
                        retval = 0;
                }
@@ -83,7 +103,7 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
 
        /* If this is a preferred users only room, check access level */
        if (roombuf->QRflags & QR_PREFONLY) {
-               if (userbuf->axlevel < 5) {
+               if (userbuf->axlevel < AxPrefU) {
                        retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
                }
        }
@@ -110,11 +130,11 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
        /* 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;
+                       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;
+                       retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED | UA_REPLYALLOWED;
                }
        }
 
@@ -127,17 +147,30 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
                 * - 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;
+               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 (post_allowed) {
-                       retval = retval | UA_POSTALLOWED;
+                       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 (CC->room.QRflags2 & QR2_COLLABDEL) {
+               if (roombuf->QRflags2 & QR2_COLLABDEL) {
                        if (retval & UA_POSTALLOWED) {
                                retval = retval | UA_DELETEALLOWED;
                        }
@@ -157,33 +190,33 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
        }
        /* 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;
+               retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED & ~UA_POSTALLOWED & ~UA_REPLYALLOWED;
        }
 
        /* Aides get access to all private rooms */
-       if ( (userbuf->axlevel >= 6)
+       if ( (userbuf->axlevel >= AxAideU)
           && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
                if (vbuf.v_flags & V_FORGET) {
-                       retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
+                       retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
                }
                else {
-                       retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED;
+                       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 >= 6)
+       if ( (userbuf->axlevel >= AxAideU)
           && (roombuf->QRflags & QR_MAILBOX) ) {
-               retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
+               retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
        }
 
        /* Aides and Room Aides have admin privileges */
-       if ( (userbuf->axlevel >= 6)
+       if ( (userbuf->axlevel >= AxAideU)
           || (userbuf->usernum == roombuf->QRroomaide)
           ) {
-               retval = retval | UA_ADMINALLOWED | UA_DELETEALLOWED | UA_POSTALLOWED;
+               retval = retval | UA_ADMINALLOWED | UA_DELETEALLOWED | UA_POSTALLOWED | UA_REPLYALLOWED;
        }
 
 NEWMSG:        /* By the way, we also check for the presence of new messages */
@@ -673,12 +706,9 @@ void cmd_lrms(char *argbuf)
        if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 
-       if (CtdlGetUser(&CC->user, CC->curr_user)) {
-               cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
-               return;
-       }
+       CtdlGetUser(&CC->user, CC->curr_user);
        cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
 
        CtdlForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
@@ -711,12 +741,9 @@ void cmd_lkra(char *argbuf)
        if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
        
-       if (CtdlGetUser(&CC->user, CC->curr_user)) {
-               cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
-               return;
-       }
+       CtdlGetUser(&CC->user, CC->curr_user);
        cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
 
        CtdlForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
@@ -780,12 +807,9 @@ void cmd_lkrn(char *argbuf)
        if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
        
-       if (CtdlGetUser(&CC->user, CC->curr_user)) {
-               cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
-               return;
-       }
+       CtdlGetUser(&CC->user, CC->curr_user);
        cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
 
        CtdlForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
@@ -819,12 +843,9 @@ void cmd_lkro(char *argbuf)
        if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
        
-       if (CtdlGetUser(&CC->user, CC->curr_user)) {
-               cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
-               return;
-       }
+       CtdlGetUser(&CC->user, CC->curr_user);
        cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
 
        CtdlForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
@@ -858,12 +879,9 @@ void cmd_lzrm(char *argbuf)
        if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
        
-       if (CtdlGetUser(&CC->user, CC->curr_user)) {
-               cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
-               return;
-       }
+       CtdlGetUser(&CC->user, CC->curr_user);
        cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
 
        CtdlForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
@@ -887,7 +905,7 @@ void CtdlUserGoto(char *where, int display_result, int transiently,
        int rmailflag;
        int raideflag;
        int newmailcount = 0;
-       struct visit vbuf;
+       visit vbuf;
        char truncated_roomname[ROOMNAMELEN];
         struct cdbdata *cdbfr;
        long *msglist = NULL;
@@ -984,7 +1002,7 @@ void CtdlUserGoto(char *where, int display_result, int transiently,
                rmailflag = 0;
 
        if ((CC->room.QRroomaide == CC->user.usernum)
-           || (CC->user.axlevel >= 6))
+           || (CC->user.axlevel >= AxAideU))
                raideflag = 1;
        else
                raideflag = 0;
@@ -1001,7 +1019,7 @@ void CtdlUserGoto(char *where, int display_result, int transiently,
 
        if (retmsgs != NULL) *retmsgs = total_messages;
        if (retnew != NULL) *retnew = new_messages;
-       CtdlLogPrintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
+       syslog(LOG_DEBUG, "<%s> %d new of %d total messages\n",
                CC->room.QRname,
                new_messages, total_messages
        );
@@ -1079,7 +1097,7 @@ void cmd_goto(char *gargs)
        char password[32];
        int transiently = 0;
 
-       if (CtdlAccessCheck(ac_logged_in)) return;
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 
        extract_token(towhere, gargs, 0, '|', sizeof towhere);
        extract_token(password, gargs, 1, '|', sizeof password);
@@ -1133,7 +1151,7 @@ void cmd_goto(char *gargs)
                        } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
                            ((ra & UA_KNOWN) == 0) &&
                            (strcasecmp(QRscratch.QRpasswd, password)) &&
-                           (CC->user.axlevel < 6)
+                           (CC->user.axlevel < AxAideU)
                            ) {
                                cprintf("%d wrong or missing passwd\n",
                                        ERROR + PASSWORD_REQUIRED);
@@ -1142,9 +1160,9 @@ void cmd_goto(char *gargs)
                                   ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
                                   ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
                                   ((ra & UA_KNOWN) == 0) &&
-                                  (CC->user.axlevel < 6)
+                                  (CC->user.axlevel < AxAideU)
                                   ) {
-                               CtdlLogPrintf(CTDL_DEBUG, "Failed to acquire private room\n");
+                               syslog(LOG_DEBUG, "Failed to acquire private room\n");
                        } else {
                                memcpy(&CC->room, &QRscratch,
                                        sizeof(struct ctdlroom));
@@ -1172,9 +1190,10 @@ void cmd_whok(char *cmdbuf)
                cdb_free(cdbus);
 
                CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
-               if ((CC->room.QRflags & QR_INUSE)
-                   && (ra & UA_KNOWN)
-                   )
+               if ((!IsEmptyStr(temp.fullname)) && 
+                   (CC->room.QRflags & QR_INUSE) &&
+                   (ra & UA_KNOWN)
+                       )
                        cprintf("%s\n", temp.fullname);
        }
        cprintf("000\n");
@@ -1207,7 +1226,7 @@ void cmd_rdir(char *cmdbuf)
                return;
        }
        if (((CC->room.QRflags & QR_VISDIR) == 0)
-           && (CC->user.axlevel < 6)
+           && (CC->user.axlevel < AxAideU)
            && (CC->user.usernum != CC->room.QRroomaide)) {
                cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
                return;
@@ -1323,7 +1342,7 @@ int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
        long owner = 0L;
        char actual_old_name[ROOMNAMELEN];
 
-       CtdlLogPrintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
+       syslog(LOG_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
                old_name, new_name, new_floor);
 
        if (new_floor >= 0) {
@@ -1344,7 +1363,7 @@ int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
                ret = crr_room_not_found;
        }
 
-       else if ( (CC->user.axlevel < 6) && (!CC->internal_pgm)
+       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;
@@ -1414,11 +1433,11 @@ int CtdlRenameRoom(char *old_name, char *new_name, int new_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);
+               syslog(LOG_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);
+               syslog(LOG_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
        }
 
        /* ...and everybody say "YATTA!" */     
@@ -1667,7 +1686,7 @@ void CtdlScheduleRoomForDeletion(struct ctdlroom *qrbuf)
        char old_name[ROOMNAMELEN];
        static int seq = 0;
 
-       CtdlLogPrintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
+       syslog(LOG_NOTICE, "Scheduling room <%s> for deletion\n",
                qrbuf->QRname);
 
        safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
@@ -1705,7 +1724,7 @@ void CtdlDeleteRoom(struct ctdlroom *qrbuf)
        char filename[100];
        /* TODO: filename magic? does this realy work? */
 
-       CtdlLogPrintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
+       syslog(LOG_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
 
        /* Delete the info file */
        assoc_file_name(filename, sizeof filename, qrbuf, ctdl_info_dir);
@@ -1834,13 +1853,13 @@ unsigned CtdlCreateRoom(char *new_room_name,
 
        struct ctdlroom qrbuf;
        struct floor flbuf;
-       struct visit vbuf;
+       visit vbuf;
 
-       CtdlLogPrintf(CTDL_DEBUG, "CtdlCreateRoom(name=%s, type=%d, view=%d)\n",
+       syslog(LOG_DEBUG, "CtdlCreateRoom(name=%s, type=%d, view=%d)\n",
                new_room_name, new_room_type, new_room_view);
 
        if (CtdlGetRoom(&qrbuf, new_room_name) == 0) {
-               CtdlLogPrintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
+               syslog(LOG_DEBUG, "%s already exists.\n", new_room_name);
                return(0);
        }
 
@@ -1985,7 +2004,7 @@ void cmd_cre8(char *args)
        }
 
        if (new_room_type == 5) {
-               if (CC->user.axlevel < 6) {
+               if (CC->user.axlevel < AxAideU) {
                        cprintf("%d Higher access required\n", 
                                ERROR + HIGHER_ACCESS_REQUIRED);
                        return;
@@ -2048,9 +2067,9 @@ void cmd_einf(char *ok)
                return;
        }
        assoc_file_name(infofilename, sizeof infofilename, &CC->room, ctdl_info_dir);
-       CtdlLogPrintf(CTDL_DEBUG, "opening\n");
+       syslog(LOG_DEBUG, "opening\n");
        fp = fopen(infofilename, "w");
-       CtdlLogPrintf(CTDL_DEBUG, "checking\n");
+       syslog(LOG_DEBUG, "checking\n");
        if (fp == NULL) {
                cprintf("%d Cannot open %s: %s\n",
                  ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
@@ -2241,22 +2260,22 @@ void cmd_eflr(char *argbuf)
 CTDL_MODULE_INIT(room_ops)
 {
        if (!threading) {
-               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_lrms, "LRMS", "List rooms");
+               CtdlRegisterProtoHook(cmd_lkra, "LKRA", "List all known rooms");
+               CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "List known rooms with new messages");
+               CtdlRegisterProtoHook(cmd_lkro, "LKRO", "List known rooms without new messages");
+               CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "List zapped rooms");
                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_goto, "GOTO", "Goto a named room");
+               CtdlRegisterProtoHook(cmd_whok, "WHOK", "List users who know this room");
+               CtdlRegisterProtoHook(cmd_rdir, "RDIR", "List files in room directory");
                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_cre8, "CRE8", "Create a new room");
                CtdlRegisterProtoHook(cmd_einf, "EINF", "Autoconverted. TODO: document me.");
                CtdlRegisterProtoHook(cmd_lflr, "LFLR", "Autoconverted. TODO: document me.");
                CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Autoconverted. TODO: document me.");
@@ -2264,5 +2283,5 @@ CTDL_MODULE_INIT(room_ops)
                CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Autoconverted. TODO: document me.");
        }
         /* return our Subversion id for the Log */
-       return "$Id$";
+       return "room_ops";
 }