/*
- * $Id$
- *
* This module handles the expiry of old messages and the purging of old users.
*
* You might also see this module affectionately referred to as the DAP (the Dreaded Auto-Purger).
*
- * Copyright (c) 1988-2009 by citadel.org (Art Cancro, Wilifried Goesgens, and others)
- * Brought to you, our happy user community, under the terms of the GNU General Public License v3
+ * Copyright (c) 1988-2011 by citadel.org (Art Cancro, Wilifried Goesgens, and others)
+ *
+ * This program is open source software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
*
* A brief technical discussion:
*
#include "citserver.h"
#include "support.h"
#include "config.h"
-#include "room_ops.h"
#include "policy.h"
#include "database.h"
#include "msgbase.h"
#include "user_ops.h"
#include "control.h"
-#include "serv_network.h" /* Needed for definition of UseTable */
#include "threads.h"
+#include "context.h"
#include "ctdl_module.h"
char *users_corrupt_msg = NULL;
char *users_zero_msg = NULL;
struct ctdlroomref *rr = NULL;
-extern struct CitContext *ContextList;
int force_purge_now = 0; /* set to nonzero to force a run right now */
time_t xtime, now;
struct CtdlMessage *msg = NULL;
int a;
- struct cdbdata *cdbfr;
+ struct cdbdata *cdbfr;
long *msglist = NULL;
int num_msgs = 0;
FILE *purgelist;
if (!strcasecmp(qrbuf->QRname, SYSCONFIGROOM)) return;
/* Ok, we got this far ... now let's see what's in the room */
- cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long));
+ cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long));
- if (cdbfr != NULL) {
- msglist = malloc(cdbfr->len);
- memcpy(msglist, cdbfr->ptr, cdbfr->len);
- num_msgs = cdbfr->len / sizeof(long);
- cdb_free(cdbfr);
+ if (cdbfr != NULL) {
+ msglist = malloc(cdbfr->len);
+ memcpy(msglist, cdbfr->ptr, cdbfr->len);
+ num_msgs = cdbfr->len / sizeof(long);
+ cdb_free(cdbfr);
}
/* Nothing to do if there aren't any messages */
void PurgeMessages(void) {
FILE *purgelist;
- CtdlLogPrintf(CTDL_DEBUG, "PurgeMessages() called\n");
+ syslog(LOG_DEBUG, "PurgeMessages() called");
messages_purged = 0;
purgelist = tmpfile();
if (purgelist == NULL) {
- CtdlLogPrintf(CTDL_CRIT, "Can't create purgelist temp file: %s\n",
- strerror(errno));
+ syslog(LOG_CRIT, "Can't create purgelist temp file: %s", strerror(errno));
return;
}
- ForEachRoom(GatherPurgeMessages, (void *)purgelist );
+ CtdlForEachRoom(GatherPurgeMessages, (void *)purgelist );
DoPurgeMessages(purgelist);
fclose(purgelist);
}
if (qrbuf->QRflags & QR_NETWORK) return;
if (qrbuf->QRflags2 & QR2_SYSTEM) return;
if (!strcasecmp(qrbuf->QRname, SYSCONFIGROOM)) return;
- if (is_noneditable(qrbuf)) return;
+ if (CtdlIsNonEditable(qrbuf)) return;
/* If we don't know the modification date, be safe and don't purge */
if (qrbuf->QRmtime <= (time_t)0) return;
age = time(NULL) - (qrbuf->QRmtime);
purge_secs = (time_t)config.c_roompurge * (time_t)86400;
if (purge_secs <= (time_t)0) return;
- CtdlLogPrintf(CTDL_DEBUG, "<%s> is <%ld> seconds old\n", qrbuf->QRname, (long)age);
+ syslog(LOG_DEBUG, "<%s> is <%ld> seconds old", qrbuf->QRname, (long)age);
if (age > purge_secs) do_purge = 1;
} /* !QR_MAILBOX */
struct ValidUser *vuptr;
char *transcript = NULL;
- CtdlLogPrintf(CTDL_DEBUG, "PurgeRooms() called\n");
+ syslog(LOG_DEBUG, "PurgeRooms() called");
/* Load up a table full of valid user numbers so we can delete
ForEachUser(AddValidUser, NULL);
/* Then cycle through the room file */
- ForEachRoom(DoPurgeRooms, NULL);
+ CtdlForEachRoom(DoPurgeRooms, NULL);
/* Free the valid user list */
while (ValidUserList != NULL) {
strcpy(transcript, "The following rooms have been auto-purged:\n");
while (RoomPurgeList != NULL) {
- if (getroom(&qrbuf, RoomPurgeList->name) == 0) {
+ if (CtdlGetRoom(&qrbuf, RoomPurgeList->name) == 0) {
transcript=realloc(transcript, strlen(transcript)+SIZ);
snprintf(&transcript[strlen(transcript)], SIZ, " %s\n",
qrbuf.QRname);
- delete_room(&qrbuf);
+ CtdlDeleteRoom(&qrbuf);
}
pptr = RoomPurgeList->next;
free(RoomPurgeList);
++num_rooms_purged;
}
- if (num_rooms_purged > 0) aide_message(transcript, "Room Autopurger Message");
+ if (num_rooms_purged > 0) CtdlAideMessage(transcript, "Room Autopurger Message");
free(transcript);
- CtdlLogPrintf(CTDL_DEBUG, "Purged %d rooms.\n", num_rooms_purged);
+ syslog(LOG_DEBUG, "Purged %d rooms.", num_rooms_purged);
return(num_rooms_purged);
}
/* The default rule is to not purge. */
purge = 0;
- /* don't attempt to purge system users. */
- if (!strncmp(us->fullname, "SYS_", 4))
- goto skip_all_this;
-
/* If the user hasn't called in two months and expiring of accounts is turned on, his/her account
* has expired, so purge the record.
*/
*/
if (us->usernum < 0L) purge = 1;
- /** Don't purge user 0. That user is there for the system */
+ /* Don't purge user 0. That user is there for the system */
if (us->usernum == 0L)
{
/* FIXME: Temporary log message. Until we do unauth access with user 0 we should
* we will need to try and purge them from users data bases.Some will not have names but
* those with names should be purged.
*/
- CtdlLogPrintf(CTDL_DEBUG, "Auto purger found a user 0 with name \"%s\"\n", us->fullname);
+ syslog(LOG_DEBUG, "Auto purger found a user 0 with name <%s>", us->fullname);
// purge = 0;
}
if (users_corrupt_msg == NULL)
{
users_corrupt_msg = malloc(SIZ);
- strcpy(users_corrupt_msg, "The auto-purger found the following user numbers with no name.\n"
- "The system has no way to purge user with no name and should not be able to\n"
- "create them either.\n"
- "This indicates corruption of the user DB or possibly a bug.\n"
- "It may be a good idea to restore your DB from a backup.\n");
+ strcpy(users_corrupt_msg,
+ "The auto-purger found the following user numbers with no name.\n"
+ "The system has no way to purge a user with no name,"
+ " and should not be able to create them either.\n"
+ "This indicates corruption of the user DB or possibly a bug.\n"
+ "It may be a good idea to restore your DB from a backup.\n"
+ );
}
users_corrupt_msg=realloc(users_corrupt_msg, strlen(users_corrupt_msg)+30);
}
}
-skip_all_this:
-
if (purge == 1) {
pptr = (struct PurgeList *) malloc(sizeof(struct PurgeList));
pptr->next = UserPurgeList;
int num_users_purged = 0;
char *transcript = NULL;
- CtdlLogPrintf(CTDL_DEBUG, "PurgeUsers() called\n");
+ syslog(LOG_DEBUG, "PurgeUsers() called");
users_not_purged = 0;
switch(config.c_auth_mode) {
ForEachUser(do_uid_user_purge, NULL);
break;
default:
- CtdlLogPrintf(CTDL_DEBUG, "User purge for auth mode %d is not implemented.\n",
+ syslog(LOG_DEBUG, "User purge for auth mode %d is not implemented.",
config.c_auth_mode);
break;
}
}
}
- if (num_users_purged > 0) aide_message(transcript, "User Purge Message");
+ if (num_users_purged > 0) CtdlAideMessage(transcript, "User Purge Message");
free(transcript);
if(users_corrupt_msg)
{
- aide_message(users_corrupt_msg, "User Corruption Message");
+ CtdlAideMessage(users_corrupt_msg, "User Corruption Message");
free (users_corrupt_msg);
users_corrupt_msg = NULL;
}
if(users_zero_msg)
{
- aide_message(users_zero_msg, "User Zero Message");
+ CtdlAideMessage(users_zero_msg, "User Zero Message");
free (users_zero_msg);
users_zero_msg = NULL;
}
- CtdlLogPrintf(CTDL_DEBUG, "Purged %d users.\n", num_users_purged);
+ syslog(LOG_DEBUG, "Purged %d users.", num_users_purged);
return(num_users_purged);
}
*/
int PurgeVisits(void) {
struct cdbdata *cdbvisit;
- struct visit vbuf;
+ visit vbuf;
struct VPurgeList *VisitPurgeList = NULL;
struct VPurgeList *vptr;
int purged = 0;
int RoomIsValid, UserIsValid;
/* First, load up a table full of valid room/gen combinations */
- ForEachRoom(AddValidRoom, NULL);
+ CtdlForEachRoom(AddValidRoom, NULL);
/* Then load up a table full of valid user numbers */
ForEachUser(AddValidUser, NULL);
/* Now traverse through the visits, purging irrelevant records... */
cdb_rewind(CDB_VISIT);
while(cdbvisit = cdb_next_item(CDB_VISIT), cdbvisit != NULL) {
- memset(&vbuf, 0, sizeof(struct visit));
+ memset(&vbuf, 0, sizeof(visit));
memcpy(&vbuf, cdbvisit->ptr,
- ( (cdbvisit->len > sizeof(struct visit)) ?
- sizeof(struct visit) : cdbvisit->len) );
+ ( (cdbvisit->len > sizeof(visit)) ?
+ sizeof(visit) : cdbvisit->len) );
cdb_free(cdbvisit);
RoomIsValid = 0;
struct UPurgeList *uptr;
/* Phase 1: traverse through the table, discovering old records... */
- CtdlLogPrintf(CTDL_DEBUG, "Purge use table: phase 1\n");
+ syslog(LOG_DEBUG, "Purge use table: phase 1");
cdb_rewind(CDB_USETABLE);
while(cdbut = cdb_next_item(CDB_USETABLE), cdbut != NULL) {
- /*
- * TODODRW: change this to create a new function time_t cdb_get_timestamp( struct cdbdata *)
- * this will release this file from the serv_network.h
- * Maybe it could be a macro that extracts and casts the reult
- */
- memcpy(&ut, cdbut->ptr,
- ((cdbut->len > sizeof(struct UseTable)) ?
- sizeof(struct UseTable) : cdbut->len));
- cdb_free(cdbut);
+ /*
+ * TODODRW: change this to create a new function time_t cdb_get_timestamp( struct cdbdata *)
+ * this will release this file from the serv_network.h
+ * Maybe it could be a macro that extracts and casts the reult
+ */
+ if (cdbut->len > sizeof(struct UseTable))
+ memcpy(&ut, cdbut->ptr, sizeof(struct UseTable));
+ else {
+ memset(&ut, 0, sizeof(struct UseTable));
+ memcpy(&ut, cdbut->ptr, cdbut->len);
+ }
+ cdb_free(cdbut);
if ( (time(NULL) - ut.ut_timestamp) > USETABLE_RETAIN ) {
uptr = (struct UPurgeList *) malloc(sizeof(struct UPurgeList));
}
/* Phase 2: delete the records */
- CtdlLogPrintf(CTDL_DEBUG, "Purge use table: phase 2\n");
+ syslog(LOG_DEBUG, "Purge use table: phase 2");
while (ul != NULL) {
cdb_delete(CDB_USETABLE, ul->up_key, strlen(ul->up_key));
uptr = ul->next;
ul = uptr;
}
- CtdlLogPrintf(CTDL_DEBUG, "Purge use table: finished (purged %d records)\n", purged);
+ syslog(LOG_DEBUG, "Purge use table: finished (purged %d records)", purged);
return(purged);
}
struct CtdlMessage *msg = NULL;
/* Phase 1: traverse through the table, discovering old records... */
- CtdlLogPrintf(CTDL_DEBUG, "Purge EUID index: phase 1\n");
+ syslog(LOG_DEBUG, "Purge EUID index: phase 1");
cdb_rewind(CDB_EUIDINDEX);
while(cdbei = cdb_next_item(CDB_EUIDINDEX), cdbei != NULL) {
++purged;
}
- cdb_free(cdbei);
+ cdb_free(cdbei);
}
/* Phase 2: delete the records */
- CtdlLogPrintf(CTDL_DEBUG, "Purge euid index: phase 2\n");
+ syslog(LOG_DEBUG, "Purge euid index: phase 2");
while (el != NULL) {
cdb_delete(CDB_EUIDINDEX, el->ep_key, el->ep_keylen);
free(el->ep_key);
el = eptr;
}
- CtdlLogPrintf(CTDL_DEBUG, "Purge euid index: finished (purged %d records)\n", purged);
+ syslog(LOG_DEBUG, "Purge euid index: finished (purged %d records)", purged);
return(purged);
}
void *Value;
const char *Key;
int num_deleted = 0;
+ long usernum = 0L;
keys = NewHash(1, NULL);
if (!keys) return(0);
cdb_rewind(CDB_OPENID);
while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
if (cdboi->len > sizeof(long)) {
- long usernum;
- usernum = ((long)*(cdboi->ptr));
- /* FIXME two different things here, trying to figure out whether this is the
- * source of a bug.
- */
- CtdlLogPrintf(CTDL_DEBUG, "#1 Evaluating openid association for user %ld\n", usernum);
- usernum = 0;
memcpy(&usernum, cdboi->ptr, sizeof(long));
- CtdlLogPrintf(CTDL_DEBUG, "#2 Evaluating openid association for user %ld\n", usernum);
- if (getuserbynumber(&usbuf, usernum) != 0) {
+ if (CtdlGetUserByNumber(&usbuf, usernum) != 0) {
deleteme = strdup(cdboi->ptr + sizeof(long)),
- Put(keys, deleteme, strlen(deleteme), deleteme, generic_free_handler);
+ Put(keys, deleteme, strlen(deleteme), deleteme, NULL);
}
}
cdb_free(cdboi);
HashPos = GetNewHashPos(keys, 0);
while (GetNextHashPos(keys, HashPos, &len, &Key, &Value)!=0)
{
- CtdlLogPrintf(CTDL_DEBUG, "Deleting associated OpenID <%s>\n", Value);
+ syslog(LOG_DEBUG, "Deleting associated OpenID <%s>", (char*)Value);
cdb_delete(CDB_OPENID, Value, strlen(Value));
/* note: don't free(Value) -- deleting the hash list will handle this for us */
++num_deleted;
-void *purge_databases(void *args)
+void purge_databases(void)
{
- int retval;
- static time_t last_purge = 0;
- time_t now;
- struct tm tm;
- struct CitContext purgerCC;
-
- CtdlLogPrintf(CTDL_DEBUG, "Auto-purger_thread() initializing\n");
-
- CtdlFillSystemContext(&purgerCC, "purger");
- citthread_setspecific(MyConKey, (void *)&purgerCC );
-
- while (!CtdlThreadCheckStop()) {
- /* Do the auto-purge if the current hour equals the purge hour,
- * but not if the operation has already been performed in the
- * last twelve hours. This is usually enough granularity.
- */
- now = time(NULL);
- localtime_r(&now, &tm);
- if (
- ((tm.tm_hour != config.c_purge_hour) || ((now - last_purge) < 43200))
- && (force_purge_now == 0)
- ) {
- CtdlThreadSleep(60);
- continue;
- }
-
-
- CtdlLogPrintf(CTDL_INFO, "Auto-purger: starting.\n");
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeUsers();
- CtdlLogPrintf(CTDL_NOTICE, "Purged %d users.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- PurgeMessages();
- CtdlLogPrintf(CTDL_NOTICE, "Expired %d messages.\n", messages_purged);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeRooms();
- CtdlLogPrintf(CTDL_NOTICE, "Expired %d rooms.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeVisits();
- CtdlLogPrintf(CTDL_NOTICE, "Purged %d visits.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeUseTable();
- CtdlLogPrintf(CTDL_NOTICE, "Purged %d entries from the use table.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeEuidIndexTable();
- CtdlLogPrintf(CTDL_NOTICE, "Purged %d entries from the EUID index.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = PurgeStaleOpenIDassociations();
- CtdlLogPrintf(CTDL_NOTICE, "Purged %d stale OpenID associations.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- retval = TDAP_ProcessAdjRefCountQueue();
- CtdlLogPrintf(CTDL_NOTICE, "Processed %d message reference count adjustments.\n", retval);
- }
-
- if (!CtdlThreadCheckStop())
- {
- CtdlLogPrintf(CTDL_INFO, "Auto-purger: finished.\n");
- last_purge = now; /* So we don't do it again soon */
- force_purge_now = 0;
- }
- else
- CtdlLogPrintf(CTDL_INFO, "Auto-purger: STOPPED.\n");
-
- }
- return NULL;
-}
-/*****************************************************************************/
-
-
-/* The FSCK command has been removed because people were misusing it */
-
-#if 0
-
-void do_fsck_msg(long msgnum, void *userdata) {
- struct ctdlroomref *ptr;
-
- ptr = (struct ctdlroomref *)malloc(sizeof(struct ctdlroomref));
- ptr->next = rr;
- ptr->msgnum = msgnum;
- rr = ptr;
-}
-
-void do_fsck_room(struct ctdlroom *qrbuf, void *data)
-{
- getroom(&CC->room, qrbuf->QRname);
- CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, do_fsck_msg, NULL);
-}
-
-/*
- * Check message reference counts
- */
-void cmd_fsck(char *argbuf) {
- long msgnum;
- struct cdbdata *cdbmsg;
- struct MetaData smi;
- struct ctdlroomref *ptr;
- int realcount;
-
- if (CtdlAccessCheck(ac_aide)) return;
+ int retval;
+ static time_t last_purge = 0;
+ time_t now;
+ struct tm tm;
- /* Lame way of checking whether anyone else is doing this now */
- if (rr != NULL) {
- cprintf("%d Another FSCK is already running.\n", ERROR + RESOURCE_BUSY);
- return;
+ /* Do the auto-purge if the current hour equals the purge hour,
+ * but not if the operation has already been performed in the
+ * last twelve hours. This is usually enough granularity.
+ */
+ now = time(NULL);
+ localtime_r(&now, &tm);
+ if (
+ ((tm.tm_hour != config.c_purge_hour) || ((now - last_purge) < 43200))
+ && (force_purge_now == 0)
+ ) {
+ return;
}
- cprintf("%d Checking message reference counts\n", LISTING_FOLLOWS);
-
- cprintf("\nThis could take a while. Please be patient!\n\n");
- cprintf("Gathering pointers...\n");
- ForEachRoom(do_fsck_room, NULL);
+ syslog(LOG_INFO, "Auto-purger: starting.");
- get_control();
- cprintf("Checking message base...\n");
- for (msgnum = 0L; msgnum <= CitControl.MMhighest; ++msgnum) {
-
- cdbmsg = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
- if (cdbmsg != NULL) {
- cdb_free(cdbmsg);
- cprintf("Message %7ld ", msgnum);
-
- GetMetaData(&smi, msgnum);
- cprintf("refcount=%-2d ", smi.meta_refcount);
+ if (!server_shutting_down)
+ {
+ retval = PurgeUsers();
+ syslog(LOG_NOTICE, "Purged %d users.", retval);
+ }
+
+ if (!server_shutting_down)
+ {
+ PurgeMessages();
+ syslog(LOG_NOTICE, "Expired %d messages.", messages_purged);
+ }
- realcount = 0;
- for (ptr = rr; ptr != NULL; ptr = ptr->next) {
- if (ptr->msgnum == msgnum) ++realcount;
- }
- cprintf("realcount=%-2d\n", realcount);
+ if (!server_shutting_down)
+ {
+ retval = PurgeRooms();
+ syslog(LOG_NOTICE, "Expired %d rooms.", retval);
+ }
- if ( (smi.meta_refcount != realcount)
- || (realcount == 0) ) {
- AdjRefCount(msgnum, (smi.meta_refcount - realcount));
- }
+ if (!server_shutting_down)
+ {
+ retval = PurgeVisits();
+ syslog(LOG_NOTICE, "Purged %d visits.", retval);
+ }
- }
+ if (!server_shutting_down)
+ {
+ retval = PurgeUseTable();
+ syslog(LOG_NOTICE, "Purged %d entries from the use table.", retval);
+ }
+ if (!server_shutting_down)
+ {
+ retval = PurgeEuidIndexTable();
+ syslog(LOG_NOTICE, "Purged %d entries from the EUID index.", retval);
}
- cprintf("Freeing memory...\n");
- while (rr != NULL) {
- ptr = rr->next;
- free(rr);
- rr = ptr;
+ if (!server_shutting_down)
+ {
+ retval = PurgeStaleOpenIDassociations();
+ syslog(LOG_NOTICE, "Purged %d stale OpenID associations.", retval);
}
- cprintf("Done!\n");
- cprintf("000\n");
+ if (!server_shutting_down)
+ {
+ retval = TDAP_ProcessAdjRefCountQueue();
+ syslog(LOG_NOTICE, "Processed %d message reference count adjustments.", retval);
+ }
+ if (!server_shutting_down)
+ {
+ syslog(LOG_INFO, "Auto-purger: finished.");
+ last_purge = now; /* So we don't do it again soon */
+ force_purge_now = 0;
+ }
+ else {
+ syslog(LOG_INFO, "Auto-purger: STOPPED.");
+ }
}
-#endif /* end of commented-out fsck cmd */
/*
* Manually initiate a run of The Dreaded Auto-Purger (tm)
}
-/*****************************************************************************/
CTDL_MODULE_INIT(expire)
{
if (!threading)
{
- /* CtdlRegisterProtoHook(cmd_fsck, "FSCK", "Check message ref counts"); */
CtdlRegisterProtoHook(cmd_tdap, "TDAP", "Manually initiate auto-purger");
+ CtdlRegisterProtoHook(cmd_gpex, "GPEX", "Get expire policy");
+ CtdlRegisterProtoHook(cmd_spex, "SPEX", "Set expire policy");
+ CtdlRegisterSessionHook(purge_databases, EVT_TIMER);
}
- else
- CtdlThreadCreate("Auto Purger", CTDLTHREAD_BIGSTACK, purge_databases, NULL);
- /* return our Subversion id for the Log */
- return "$Id$";
+
+ /* return our module name for the log */
+ return "expire";
}