* Holy war on strlen: use IsEmptyStr where apropriate.
[citadel.git] / citadel / room_ops.c
index b96c73a100647abc0bfad33b49b678fe5edc0b0c..340b99a38dd2b786383766152f32383c8b1fc4d4 100644 (file)
@@ -28,7 +28,6 @@
 #include <errno.h>
 #include "citadel.h"
 #include "server.h"
-#include "serv_extensions.h"
 #include "database.h"
 #include "config.h"
 #include "room_ops.h"
@@ -44,7 +43,7 @@
 struct floor *floorcache[MAXFLOORS];
 
 /*
- * Generic routine for determining user access to rooms
+ * Retrieve access control information for any user/room pair
  */
 void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
                int *result, int *view)
@@ -54,7 +53,7 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
 
        /* for internal programs, always do everything */
        if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
-               retval = (UA_KNOWN | UA_GOTOALLOWED);
+               retval = (UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED);
                vbuf.v_view = 0;
                goto SKIP_EVERYTHING;
        }
@@ -65,7 +64,7 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
        /* Force the properties of the Aide room */
        if (!strcasecmp(roombuf->QRname, config.c_aideroom)) {
                if (userbuf->axlevel >= 6) {
-                       retval = UA_KNOWN | UA_GOTOALLOWED;
+                       retval = UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
                } else {
                        retval = 0;
                }
@@ -103,17 +102,45 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
                }
        }
 
-       /* For mailbox rooms, also check the generation number matchups */
+       /* 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;
+                       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;
+                       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;
@@ -126,17 +153,17 @@ 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;
+               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;
+                       retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
                }
                else {
-                       retval = retval | UA_KNOWN | UA_GOTOALLOWED;
+                       retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED;
                }
        }
 
@@ -145,7 +172,14 @@ void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
         */
        if ( (userbuf->axlevel >= 6)
           && (roombuf->QRflags & QR_MAILBOX) ) {
-               retval = retval | UA_GOTOALLOWED;
+               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;
        }
 
 NEWMSG:        /* By the way, we also check for the presence of new messages */
@@ -520,14 +554,15 @@ void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default
        }
 
        /* ...and now the other parameters */
-       cprintf("|%u|%d|%d|%d|%d|%d|%d|\n",
+       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
+               default_view,
+               qrbuf->QRmtime
        );
 }
 
@@ -553,7 +588,7 @@ void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lrms(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        if (CtdlAccessCheck(ac_logged_in)) return;
@@ -591,7 +626,7 @@ void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lkra(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        if (CtdlAccessCheck(ac_logged_in)) return;
@@ -627,7 +662,7 @@ void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lprm(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        cprintf("%d Publiic rooms:\n", LISTING_FOLLOWS);
@@ -660,7 +695,7 @@ void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lkrn(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        if (CtdlAccessCheck(ac_logged_in)) return;
@@ -699,7 +734,7 @@ void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lkro(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        if (CtdlAccessCheck(ac_logged_in)) return;
@@ -738,7 +773,7 @@ void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
 void cmd_lzrm(char *argbuf)
 {
        int FloorBeingSearched = (-1);
-       if (strlen(argbuf) > 0)
+       if (!IsEmptyStr(argbuf))
                FloorBeingSearched = extract_int(argbuf, 0);
 
        if (CtdlAccessCheck(ac_logged_in)) return;
@@ -820,7 +855,6 @@ void usergoto(char *where, int display_result, int transiently,
                info = 1;
        }
 
-       get_mm();
         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
         if (cdbfr != NULL) {
                msglist = (long *) cdbfr->ptr;
@@ -893,7 +927,7 @@ void usergoto(char *where, int display_result, int transiently,
        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|\n",
+               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,
@@ -908,7 +942,8 @@ void usergoto(char *where, int display_result, int transiently,
                        (int)CC->room.QRfloor,
                        (int)vbuf.v_view,
                        (int)CC->room.QRdefaultview,
-                       (int)is_trash
+                       (int)is_trash,
+                       (int)CC->room.QRflags2
                );
        }
 }
@@ -1044,23 +1079,6 @@ void cmd_whok(void)
        struct cdbdata *cdbus;
        int ra;
 
-       getuser(&CC->user, CC->curr_user);
-
-       /*
-        * This command is only allowed by aides, room aides,
-        * and room namespace owners
-        */
-       if (is_room_aide()
-          || (atol(CC->room.QRname) == CC->user.usernum) ) {
-               /* access granted */
-       }
-       else {
-               /* access denied */
-                cprintf("%d Higher access or room ownership required.\n",
-                        ERROR + HIGHER_ACCESS_REQUIRED);
-                return;
-        }
-
        cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
        cdb_rewind(CDB_USERS);
        while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
@@ -1140,7 +1158,7 @@ void cmd_rdir(void)
                        safestrncpy(comment, "", sizeof comment);
                        fseek(fd, 0L, 0);
                        while ((fgets(buf, sizeof buf, fd) != NULL)
-                              && (strlen(comment) == 0)) {
+                              && (IsEmptyStr(comment))) {
                                buf[strlen(buf) - 1] = 0;
                                if ((!strncasecmp(buf, flnm, strlen(flnm)))
                                    && (buf[strlen(flnm)] == ' '))
@@ -1228,7 +1246,7 @@ int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
                ret = crr_room_not_found;
        }
 
-       else if ( (CC->user.axlevel < 6)
+       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;
@@ -1448,7 +1466,7 @@ void cmd_setr(char *args)
        }
        snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
                CC->room.QRname, CC->curr_user);
-       aide_message(buf);
+       aide_message(buf, "Room modification Message");
        cprintf("%d Ok\n", CIT_OK);
 }
 
@@ -1502,7 +1520,7 @@ void cmd_seta(char *new_ra)
         * the room table, otherwise it would deadlock!
         */
        if (post_notice == 1) {
-               if (strlen(usbuf.fullname) > 0)
+               if (!IsEmptyStr(usbuf.fullname))
                        snprintf(buf, sizeof buf,
                                "%s is now the room aide for \"%s\".\n",
                                usbuf.fullname, CC->room.QRname);
@@ -1510,7 +1528,7 @@ void cmd_seta(char *new_ra)
                        snprintf(buf, sizeof buf,
                                "There is now no room aide for \"%s\".\n",
                                CC->room.QRname);
-               aide_message(buf);
+               aide_message(buf, "Aide Room Modification");
        }
        cprintf("%d Ok\n", CIT_OK);
 }
@@ -1533,7 +1551,7 @@ void cmd_rinf(void)
        }
        cprintf("%d Info:\n", LISTING_FOLLOWS);
        while (fgets(buf, sizeof buf, info_fp) != NULL) {
-               if (strlen(buf) > 0)
+               if (!IsEmptyStr(buf))
                        buf[strlen(buf) - 1] = 0;
                cprintf("%s\n", buf);
        }
@@ -1606,7 +1624,7 @@ void delete_room(struct ctdlroom *qrbuf)
        /* Delete the messages in the room
         * (Careful: this opens an S_ROOMS critical section!)
         */
-       CtdlDeleteMessages(qrbuf->QRname, 0L, "", 0);
+       CtdlDeleteMessages(qrbuf->QRname, NULL, 0, "");
 
        /* Flag the room record as not in use */
        lgetroom(qrbuf, qrbuf->QRname);
@@ -1649,7 +1667,7 @@ int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
                }
 
                /* Can't delete your Mail> room */
-               if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
+               if (!strcasecmp(&qr->QRname[11], MAILROOM)) return(0);
 
                /* Otherwise it's ok */
                return(1);
@@ -1693,7 +1711,7 @@ void cmd_kill(char *argbuf)
                /* 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);
+               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);
@@ -1737,8 +1755,10 @@ unsigned create_room(char *new_room_name,
                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) )
+       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)
@@ -1821,7 +1841,7 @@ void cmd_cre8(char *args)
        new_room_pass[9] = 0;
        new_room_floor = 0;
 
-       if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
+       if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
                cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
                return;
        }
@@ -1850,13 +1870,13 @@ void cmd_cre8(char *args)
 
        if (CtdlAccessCheck(ac_logged_in)) return;
 
-       if (CC->user.axlevel < config.c_createax) {
+       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 ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
+       if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
                cprintf("%d Ok to create rooms.\n", CIT_OK);
                return;
        }
@@ -1907,7 +1927,7 @@ void cmd_cre8(char *args)
                ((newflags & QR_PASSWORDED) ? " Password: " : ""),
                ((newflags & QR_PASSWORDED) ? new_room_pass : "")
        );
-       aide_message(notification_message);
+       aide_message(notification_message, "Room Creation Message");
        free(notification_message);
 
        cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
@@ -1996,7 +2016,7 @@ void cmd_cflr(char *argbuf)
 
        if (CtdlAccessCheck(ac_aide)) return;
 
-       if (strlen(new_floor_name) == 0) {
+       if (IsEmptyStr(new_floor_name)) {
                cprintf("%d Blank floor name not allowed.\n",
                        ERROR + ILLEGAL_VALUE);
                return;