/*
- * serv_expire.c
+ * $Id$
*
* This module handles the expiry of old messages and the purging of old users.
*
*/
-/* $Id$ */
/*
* then the second stage deletes all listed objects from the database.
*
* At first glance this may seem cumbersome and unnecessary. The reason it is
- * implemented in this way is because GDBM (and perhaps some other backends we
- * may hook into in the future) explicitly do _not_ support the deletion of
+ * implemented in this way is because Berkeley DB, and possibly other backends
+ * we may hook into in the future, explicitly do _not_ support the deletion of
* records from a file while the file is being traversed. The delete operation
* will succeed, but the traversal is not guaranteed to visit every object if
* this is done. Therefore we utilize the two-stage purge.
+ *
+ * When using Berkeley DB, there's another reason for the two-phase purge: we
+ * don't want the entire thing being done as one huge transaction.
*/
#include <pwd.h>
#include <errno.h>
#include <sys/types.h>
-#include <sys/time.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
#include <sys/wait.h>
#include <string.h>
#include <limits.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
#include "citadel.h"
#include "server.h"
-#include <syslog.h>
-#include <time.h>
-#include "sysdep_decls.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
-#include "dynloader.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"
#include "tools.h"
-struct oldvisit {
- char v_roomname[ROOMNAMELEN];
- long v_generation;
- long v_lastseen;
- unsigned int v_flags;
- };
+#include "ctdl_module.h"
+
struct PurgeList {
struct PurgeList *next;
char name[ROOMNAMELEN]; /* use the larger of username or roomname */
- };
+};
struct VPurgeList {
struct VPurgeList *next;
long vp_roomnum;
long vp_roomgen;
long vp_usernum;
- };
+};
struct ValidRoom {
struct ValidRoom *next;
long vr_roomnum;
long vr_roomgen;
- };
+};
struct ValidUser {
struct ValidUser *next;
long vu_usernum;
- };
+};
+
+
+struct ctdlroomref {
+ struct ctdlroomref *next;
+ long msgnum;
+};
+
+struct UPurgeList {
+ struct UPurgeList *next;
+ char up_key[256];
+};
+
+struct EPurgeList {
+ struct EPurgeList *next;
+ int ep_keylen;
+ char *ep_key;
+};
+
struct PurgeList *UserPurgeList = NULL;
struct PurgeList *RoomPurgeList = NULL;
struct ValidRoom *ValidRoomList = NULL;
struct ValidUser *ValidUserList = NULL;
int messages_purged;
+int users_not_purged;
+
+struct ctdlroomref *rr = NULL;
extern struct CitContext *ContextList;
-#define MODULE_NAME "Expire old messages, users, rooms"
-#define MODULE_AUTHOR "Art Cancro"
-#define MODULE_EMAIL "ajc@uncnsrd.mt-kisco.ny.us"
-#define MAJOR_VERSION 1
-#define MINOR_VERSION 0
-
-static struct DLModule_Info info = {
- MODULE_NAME,
- MODULE_AUTHOR,
- MODULE_EMAIL,
- MAJOR_VERSION,
- MINOR_VERSION
- };
-
-void DoPurgeMessages(struct quickroom *qrbuf) {
+
+/*
+ * First phase of message purge -- gather the locations of messages which
+ * qualify for purging and write them to a temp file.
+ */
+void GatherPurgeMessages(struct ctdlroom *qrbuf, void *data) {
struct ExpirePolicy epbuf;
long delnum;
time_t xtime, now;
- char msgid[64];
+ struct CtdlMessage *msg = NULL;
int a;
struct cdbdata *cdbfr;
long *msglist = NULL;
int num_msgs = 0;
+ FILE *purgelist;
+
+ purgelist = (FILE *)data;
+ fprintf(purgelist, "r=%s\n", qrbuf->QRname);
time(&now);
GetExpirePolicy(&epbuf, qrbuf);
-
- /*
- lprintf(9, "ExpirePolicy for <%s> is <%d> <%d>\n",
- qrbuf->QRname, epbuf.expire_mode, epbuf.expire_value);
- */
/* If the room is set to never expire messages ... do nothing */
if (epbuf.expire_mode == EXPIRE_NEXTLEVEL) return;
if (epbuf.expire_mode == EXPIRE_MANUAL) return;
- begin_critical_section(S_QUICKROOM);
cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long));
if (cdbfr != NULL) {
- msglist = mallok(cdbfr->len);
+ 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 */
if (num_msgs == 0) {
- end_critical_section(S_QUICKROOM);
+ if (msglist != NULL) free(msglist);
return;
- }
+ }
/* If the room is set to expire by count, do that */
if (epbuf.expire_mode == EXPIRE_NUMMSGS) {
- while (num_msgs > epbuf.expire_value) {
- delnum = msglist[0];
- lprintf(5, "Expiring message %ld\n", delnum);
- AdjRefCount(delnum, -1);
- memcpy(&msglist[0], &msglist[1],
- (sizeof(long)*(num_msgs - 1)));
- --num_msgs;
- ++messages_purged;
+ if (num_msgs > epbuf.expire_value) {
+ for (a=0; a<(num_msgs - epbuf.expire_value); ++a) {
+ fprintf(purgelist, "m=%ld\n", msglist[a]);
+ ++messages_purged;
}
}
+ }
/* If the room is set to expire by age... */
if (epbuf.expire_mode == EXPIRE_AGE) {
for (a=0; a<num_msgs; ++a) {
delnum = msglist[a];
- sprintf(msgid, "%ld", delnum);
- xtime = output_message(msgid, MT_DATE, 0);
+
+ msg = CtdlFetchMessage(delnum, 0); /* dont need body */
+ if (msg != NULL) {
+ xtime = atol(msg->cm_fields['T']);
+ CtdlFreeMessage(msg);
+ } else {
+ xtime = 0L;
+ }
if ((xtime > 0L)
&& (now - xtime > (time_t)(epbuf.expire_value * 86400L))) {
- lprintf(5, "Expiring message %ld\n", delnum);
- AdjRefCount(delnum, -1);
- msglist[a] = 0L;
+ fprintf(purgelist, "m=%ld\n", delnum);
++messages_purged;
- }
}
}
-
- if (num_msgs > 0) {
- num_msgs = sort_msglist(msglist, num_msgs);
}
-
- cdb_store(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long),
- msglist, (num_msgs * sizeof(long)) );
- if (msglist != NULL) phree(msglist);
+ if (msglist != NULL) free(msglist);
+}
- end_critical_section(S_QUICKROOM);
+
+/*
+ * Second phase of message purge -- read list of msgs from temp file and
+ * delete them.
+ */
+void DoPurgeMessages(FILE *purgelist) {
+ char roomname[ROOMNAMELEN];
+ long msgnum;
+ char buf[SIZ];
+
+ rewind(purgelist);
+ strcpy(roomname, "nonexistent room ___ ___");
+ while (fgets(buf, sizeof buf, purgelist) != NULL) {
+ buf[strlen(buf)-1]=0;
+ if (!strncasecmp(buf, "r=", 2)) {
+ strcpy(roomname, &buf[2]);
+ }
+ if (!strncasecmp(buf, "m=", 2)) {
+ msgnum = atol(&buf[2]);
+ if (msgnum > 0L) {
+ CtdlDeleteMessages(roomname, &msgnum, 1, "");
+ }
+ }
}
+}
+
void PurgeMessages(void) {
- lprintf(5, "PurgeMessages() called\n");
+ FILE *purgelist;
+
+ lprintf(CTDL_DEBUG, "PurgeMessages() called\n");
messages_purged = 0;
- ForEachRoom(DoPurgeMessages);
+
+ purgelist = tmpfile();
+ if (purgelist == NULL) {
+ lprintf(CTDL_CRIT, "Can't create purgelist temp file: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ ForEachRoom(GatherPurgeMessages, (void *)purgelist );
+ DoPurgeMessages(purgelist);
+ fclose(purgelist);
}
-void AddValidUser(struct usersupp *usbuf) {
+void AddValidUser(struct ctdluser *usbuf, void *data) {
struct ValidUser *vuptr;
- vuptr = (struct ValidUser *)mallok(sizeof(struct ValidUser));
+ vuptr = (struct ValidUser *)malloc(sizeof(struct ValidUser));
vuptr->next = ValidUserList;
vuptr->vu_usernum = usbuf->usernum;
ValidUserList = vuptr;
- }
+}
-void AddValidRoom(struct quickroom *qrbuf) {
+void AddValidRoom(struct ctdlroom *qrbuf, void *data) {
struct ValidRoom *vrptr;
- vrptr = (struct ValidRoom *)mallok(sizeof(struct ValidRoom));
+ vrptr = (struct ValidRoom *)malloc(sizeof(struct ValidRoom));
vrptr->next = ValidRoomList;
vrptr->vr_roomnum = qrbuf->QRnumber;
vrptr->vr_roomgen = qrbuf->QRgen;
ValidRoomList = vrptr;
- }
+}
-void DoPurgeRooms(struct quickroom *qrbuf) {
+void DoPurgeRooms(struct ctdlroom *qrbuf, void *data) {
time_t age, purge_secs;
struct PurgeList *pptr;
struct ValidUser *vuptr;
* it. Bypass any other rules.
*/
if (qrbuf->QRflags & QR_MAILBOX) {
+ /* if user not found, do_purge will be 1 */
+ do_purge = 1;
for (vuptr=ValidUserList; vuptr!=NULL; vuptr=vuptr->next) {
if (vuptr->vu_usernum == atol(qrbuf->QRname)) {
do_purge = 0;
- goto BYPASS;
}
}
- /* user not found */
- do_purge = 1;
- goto BYPASS;
}
-
- /* Any of these attributes render a room non-purgable */
- if (qrbuf->QRflags & QR_PERMANENT) return;
- if (qrbuf->QRflags & QR_DIRECTORY) return;
- if (qrbuf->QRflags & QR_NETWORK) return;
- if (is_noneditable(qrbuf)) return;
-
- /* If we don't know the modification date, be safe and don't purge */
- if (qrbuf->QRmtime <= (time_t)0) return;
-
- /* If no room purge time is set, be safe and don't purge */
- if (config.c_roompurge < 0) return;
-
- /* Otherwise, check the date of last modification */
- age = time(NULL) - (qrbuf->QRmtime);
- purge_secs = (time_t)config.c_roompurge * (time_t)86400;
- if (purge_secs <= (time_t)0) return;
- lprintf(9, "<%s> is <%ld> seconds old\n", qrbuf->QRname, age);
- if (age > purge_secs) do_purge = 1;
-
-BYPASS: if (do_purge) {
- pptr = (struct PurgeList *) mallok(sizeof(struct PurgeList));
+ else {
+ /* Any of these attributes render a room non-purgable */
+ if (qrbuf->QRflags & QR_PERMANENT) return;
+ if (qrbuf->QRflags & QR_DIRECTORY) return;
+ if (qrbuf->QRflags & QR_NETWORK) return;
+ if (!strcasecmp(qrbuf->QRname, SYSCONFIGROOM)) return;
+ if (is_noneditable(qrbuf)) return;
+
+ /* If we don't know the modification date, be safe and don't purge */
+ if (qrbuf->QRmtime <= (time_t)0) return;
+
+ /* If no room purge time is set, be safe and don't purge */
+ if (config.c_roompurge < 0) return;
+
+ /* Otherwise, check the date of last modification */
+ age = time(NULL) - (qrbuf->QRmtime);
+ purge_secs = (time_t)config.c_roompurge * (time_t)86400;
+ if (purge_secs <= (time_t)0) return;
+ lprintf(CTDL_DEBUG, "<%s> is <%ld> seconds old\n", qrbuf->QRname, (long)age);
+ if (age > purge_secs) do_purge = 1;
+ } /* !QR_MAILBOX */
+
+ if (do_purge) {
+ pptr = (struct PurgeList *) malloc(sizeof(struct PurgeList));
pptr->next = RoomPurgeList;
strcpy(pptr->name, qrbuf->QRname);
RoomPurgeList = pptr;
}
}
-
+
int PurgeRooms(void) {
struct PurgeList *pptr;
int num_rooms_purged = 0;
- struct quickroom qrbuf;
+ struct ctdlroom qrbuf;
struct ValidUser *vuptr;
char *transcript = NULL;
- lprintf(5, "PurgeRooms() called\n");
+ lprintf(CTDL_DEBUG, "PurgeRooms() called\n");
/* Load up a table full of valid user numbers so we can delete
* user-owned rooms for users who no longer exist */
- ForEachUser(AddValidUser);
+ ForEachUser(AddValidUser, NULL);
/* Then cycle through the room file */
- ForEachRoom(DoPurgeRooms);
+ ForEachRoom(DoPurgeRooms, NULL);
/* Free the valid user list */
while (ValidUserList != NULL) {
vuptr = ValidUserList->next;
- phree(ValidUserList);
+ free(ValidUserList);
ValidUserList = vuptr;
- }
+ }
- transcript = mallok(256);
+ transcript = malloc(SIZ);
strcpy(transcript, "The following rooms have been auto-purged:\n");
while (RoomPurgeList != NULL) {
if (getroom(&qrbuf, RoomPurgeList->name) == 0) {
- transcript=reallok(transcript, strlen(transcript)+256);
- sprintf(&transcript[strlen(transcript)], " %s\n",
+ transcript=realloc(transcript, strlen(transcript)+SIZ);
+ snprintf(&transcript[strlen(transcript)], SIZ, " %s\n",
qrbuf.QRname);
delete_room(&qrbuf);
- }
+ }
pptr = RoomPurgeList->next;
- phree(RoomPurgeList);
+ free(RoomPurgeList);
RoomPurgeList = pptr;
++num_rooms_purged;
- }
+ }
- if (num_rooms_purged > 0) aide_message(transcript);
- phree(transcript);
+ if (num_rooms_purged > 0) aide_message(transcript, "Room Autopurger Message");
+ free(transcript);
- lprintf(5, "Purged %d rooms.\n", num_rooms_purged);
+ lprintf(CTDL_DEBUG, "Purged %d rooms.\n", num_rooms_purged);
return(num_rooms_purged);
+}
+
+
+/*
+ * Back end function to check user accounts for associated Unix accounts
+ * which no longer exist. (Only relevant for host auth mode.)
+ */
+void do_uid_user_purge(struct ctdluser *us, void *data) {
+ struct PurgeList *pptr;
+
+ if ((us->uid != (-1)) && (us->uid != CTDLUID)) {
+ if (getpwuid(us->uid) == NULL) {
+ pptr = (struct PurgeList *)
+ malloc(sizeof(struct PurgeList));
+ pptr->next = UserPurgeList;
+ strcpy(pptr->name, us->fullname);
+ UserPurgeList = pptr;
+ }
}
+ else {
+ ++users_not_purged;
+ }
+}
-void do_user_purge(struct usersupp *us) {
+
+/*
+ * Back end function to check user accounts for expiration.
+ */
+void do_user_purge(struct ctdluser *us, void *data) {
int purge;
time_t now;
time_t purge_time;
/* Set purge time; if the user overrides the system default, use it */
if (us->USuserpurge > 0) {
purge_time = ((time_t)us->USuserpurge) * 86400L;
- }
+ }
else {
purge_time = ((time_t)config.c_userpurge) * 86400L;
- }
+ }
/* The default rule is to not purge. */
purge = 0;
*/
if (us->flags & US_PERM) purge = 0;
+ /* If the user is an Aide, don't purge him/her/it.
+ */
+ if (us->axlevel == 6) purge = 0;
+
/* If the access level is 0, the record should already have been
* deleted, but maybe the user was logged in at the time or something.
* Delete the record now.
*/
if (us->timescalled == 0) purge = 1;
+ /* User number 0, as well as any negative user number, is
+ * also impossible.
+ */
+ if (us->usernum < 1L) purge = 1;
+
if (purge == 1) {
- pptr = (struct PurgeList *) mallok(sizeof(struct PurgeList));
+ pptr = (struct PurgeList *) malloc(sizeof(struct PurgeList));
pptr->next = UserPurgeList;
strcpy(pptr->name, us->fullname);
UserPurgeList = pptr;
- }
-
+ }
+ else {
+ ++users_not_purged;
}
+}
+
int PurgeUsers(void) {
int num_users_purged = 0;
char *transcript = NULL;
- lprintf(5, "PurgeUsers() called\n");
- if (config.c_userpurge > 0) {
- ForEachUser(do_user_purge);
+ lprintf(CTDL_DEBUG, "PurgeUsers() called\n");
+ users_not_purged = 0;
+
+ if (config.c_auth_mode == 1) {
+ /* host auth mode */
+ ForEachUser(do_uid_user_purge, NULL);
+ }
+ else {
+ /* native auth mode */
+ if (config.c_userpurge > 0) {
+ ForEachUser(do_user_purge, NULL);
}
+ }
- transcript = mallok(256);
- strcpy(transcript, "The following users have been auto-purged:\n");
+ transcript = malloc(SIZ);
+
+ if (users_not_purged == 0) {
+ strcpy(transcript, "The auto-purger was told to purge every user. It is\n"
+ "refusing to do this because it usually indicates a problem\n"
+ "such as an inability to communicate with a name service.\n"
+ );
+ while (UserPurgeList != NULL) {
+ pptr = UserPurgeList->next;
+ free(UserPurgeList);
+ UserPurgeList = pptr;
+ ++num_users_purged;
+ }
+ }
- while (UserPurgeList != NULL) {
- transcript=reallok(transcript, strlen(transcript)+256);
- sprintf(&transcript[strlen(transcript)], " %s\n",
- UserPurgeList->name);
- purge_user(UserPurgeList->name);
- pptr = UserPurgeList->next;
- phree(UserPurgeList);
- UserPurgeList = pptr;
- ++num_users_purged;
+ else {
+ strcpy(transcript, "The following users have been auto-purged:\n");
+ while (UserPurgeList != NULL) {
+ transcript=realloc(transcript, strlen(transcript)+SIZ);
+ snprintf(&transcript[strlen(transcript)], SIZ, " %s\n",
+ UserPurgeList->name);
+ purge_user(UserPurgeList->name);
+ pptr = UserPurgeList->next;
+ free(UserPurgeList);
+ UserPurgeList = pptr;
+ ++num_users_purged;
}
+ }
- if (num_users_purged > 0) aide_message(transcript);
- phree(transcript);
+ if (num_users_purged > 0) aide_message(transcript, "User Purge Message");
+ free(transcript);
- lprintf(5, "Purged %d users.\n", num_users_purged);
+ lprintf(CTDL_DEBUG, "Purged %d users.\n", num_users_purged);
return(num_users_purged);
- }
+}
/*
int RoomIsValid, UserIsValid;
/* First, load up a table full of valid room/gen combinations */
- ForEachRoom(AddValidRoom);
+ ForEachRoom(AddValidRoom, NULL);
/* Then load up a table full of valid user numbers */
- ForEachUser(AddValidUser);
+ ForEachUser(AddValidUser, NULL);
/* Now traverse through the visits, purging irrelevant records... */
cdb_rewind(CDB_VISIT);
if ( (vrptr->vr_roomnum==vbuf.v_roomnum)
&& (vrptr->vr_roomgen==vbuf.v_roomgen))
RoomIsValid = 1;
- }
+ }
/* Check to see if the user exists */
for (vuptr=ValidUserList; vuptr!=NULL; vuptr=vuptr->next) {
if (vuptr->vu_usernum == vbuf.v_usernum)
UserIsValid = 1;
- }
+ }
/* Put the record on the purge list if it's dead */
if ((RoomIsValid==0) || (UserIsValid==0)) {
vptr = (struct VPurgeList *)
- mallok(sizeof(struct VPurgeList));
+ malloc(sizeof(struct VPurgeList));
vptr->next = VisitPurgeList;
vptr->vp_roomnum = vbuf.v_roomnum;
vptr->vp_roomgen = vbuf.v_roomgen;
vptr->vp_usernum = vbuf.v_usernum;
VisitPurgeList = vptr;
- }
-
}
+ }
+
/* Free the valid room/gen combination list */
while (ValidRoomList != NULL) {
vrptr = ValidRoomList->next;
- phree(ValidRoomList);
+ free(ValidRoomList);
ValidRoomList = vrptr;
- }
+ }
/* Free the valid user list */
while (ValidUserList != NULL) {
vuptr = ValidUserList->next;
- phree(ValidUserList);
+ free(ValidUserList);
ValidUserList = vuptr;
- }
+ }
/* Now delete every visit on the purged list */
while (VisitPurgeList != NULL) {
VisitPurgeList->vp_usernum);
cdb_delete(CDB_VISIT, IndexBuf, IndexLen);
vptr = VisitPurgeList->next;
- phree(VisitPurgeList);
+ free(VisitPurgeList);
VisitPurgeList = vptr;
++purged;
+ }
+
+ return(purged);
+}
+
+/*
+ * Purge the use table of old entries.
+ *
+ */
+int PurgeUseTable(void) {
+ int purged = 0;
+ struct cdbdata *cdbut;
+ struct UseTable ut;
+ struct UPurgeList *ul = NULL;
+ struct UPurgeList *uptr;
+
+ /* Phase 1: traverse through the table, discovering old records... */
+ lprintf(CTDL_DEBUG, "Purge use table: phase 1\n");
+ cdb_rewind(CDB_USETABLE);
+ while(cdbut = cdb_next_item(CDB_USETABLE), cdbut != NULL) {
+
+ memcpy(&ut, cdbut->ptr,
+ ((cdbut->len > sizeof(struct UseTable)) ?
+ sizeof(struct UseTable) : cdbut->len));
+ cdb_free(cdbut);
+
+ if ( (time(NULL) - ut.ut_timestamp) > USETABLE_RETAIN ) {
+ uptr = (struct UPurgeList *) malloc(sizeof(struct UPurgeList));
+ if (uptr != NULL) {
+ uptr->next = ul;
+ safestrncpy(uptr->up_key, ut.ut_msgid, sizeof uptr->up_key);
+ ul = uptr;
+ }
+ ++purged;
}
-
+
+ }
+
+ /* Phase 2: delete the records */
+ lprintf(CTDL_DEBUG, "Purge use table: phase 2\n");
+ while (ul != NULL) {
+ cdb_delete(CDB_USETABLE, ul->up_key, strlen(ul->up_key));
+ uptr = ul->next;
+ free(ul);
+ ul = uptr;
+ }
+
+ lprintf(CTDL_DEBUG, "Purge use table: finished (purged %d records)\n", purged);
return(purged);
+}
+
+
+
+/*
+ * Purge the EUID Index of old records.
+ *
+ */
+int PurgeEuidIndexTable(void) {
+ int purged = 0;
+ struct cdbdata *cdbei;
+ struct EPurgeList *el = NULL;
+ struct EPurgeList *eptr;
+ long msgnum;
+ struct CtdlMessage *msg = NULL;
+
+ /* Phase 1: traverse through the table, discovering old records... */
+ lprintf(CTDL_DEBUG, "Purge EUID index: phase 1\n");
+ cdb_rewind(CDB_EUIDINDEX);
+ while(cdbei = cdb_next_item(CDB_EUIDINDEX), cdbei != NULL) {
+
+ memcpy(&msgnum, cdbei->ptr, sizeof(long));
+
+ msg = CtdlFetchMessage(msgnum, 0);
+ if (msg != NULL) {
+ CtdlFreeMessage(msg); /* it still exists, so do nothing */
+ }
+ else {
+ eptr = (struct EPurgeList *) malloc(sizeof(struct EPurgeList));
+ if (eptr != NULL) {
+ eptr->next = el;
+ eptr->ep_keylen = cdbei->len - sizeof(long);
+ eptr->ep_key = malloc(cdbei->len);
+ memcpy(eptr->ep_key, &cdbei->ptr[sizeof(long)], eptr->ep_keylen);
+ el = eptr;
+ }
+ ++purged;
+ }
+
+ cdb_free(cdbei);
+
+ }
+
+ /* Phase 2: delete the records */
+ lprintf(CTDL_DEBUG, "Purge euid index: phase 2\n");
+ while (el != NULL) {
+ cdb_delete(CDB_EUIDINDEX, el->ep_key, el->ep_keylen);
+ free(el->ep_key);
+ eptr = el->next;
+ free(el);
+ el = eptr;
}
+ lprintf(CTDL_DEBUG, "Purge euid index: finished (purged %d records)\n", purged);
+ return(purged);
+}
+
-void cmd_expi(char *argbuf) {
- char cmd[256];
+void purge_databases(void) {
int retval;
+ static time_t last_purge = 0;
+ time_t now;
+ struct tm tm;
+ /* 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) return;
+ if ((now - last_purge) < 43200) return;
- if ((!(CC->logged_in))&&(!(CC->internal_pgm))) {
- cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
- return;
- }
+ lprintf(CTDL_INFO, "Auto-purger: starting.\n");
- if ((!is_room_aide()) && (!(CC->internal_pgm)) ) {
- cprintf("%d Higher access required.\n",
- ERROR+HIGHER_ACCESS_REQUIRED);
- return;
- }
+ retval = PurgeUsers();
+ lprintf(CTDL_NOTICE, "Purged %d users.\n", retval);
- extract(cmd, argbuf, 0);
- if (!strcasecmp(cmd, "users")) {
- retval = PurgeUsers();
- cprintf("%d Purged %d users.\n", OK, retval);
- return;
- }
- else if (!strcasecmp(cmd, "messages")) {
- PurgeMessages();
- cprintf("%d Expired %d messages.\n", OK, messages_purged);
- return;
- }
- else if (!strcasecmp(cmd, "rooms")) {
- retval = PurgeRooms();
- cprintf("%d Expired %d rooms.\n", OK, retval);
- return;
- }
- else if (!strcasecmp(cmd, "visits")) {
- retval = PurgeVisits();
- cprintf("%d Purged %d visits.\n", OK, retval);
- }
- else if (!strcasecmp(cmd, "defrag")) {
- defrag_databases();
- cprintf("%d Defragmented the databases.\n", OK);
- }
- else {
- cprintf("%d Invalid command.\n", ERROR+ILLEGAL_VALUE);
+ PurgeMessages();
+ lprintf(CTDL_NOTICE, "Expired %d messages.\n", messages_purged);
+
+ retval = PurgeRooms();
+ lprintf(CTDL_NOTICE, "Expired %d rooms.\n", retval);
+
+ retval = PurgeVisits();
+ lprintf(CTDL_NOTICE, "Purged %d visits.\n", retval);
+
+ retval = PurgeUseTable();
+ lprintf(CTDL_NOTICE, "Purged %d entries from the use table.\n", retval);
+
+ retval = PurgeEuidIndexTable();
+ lprintf(CTDL_NOTICE, "Purged %d entries from the EUID index.\n", retval);
+
+ retval = TDAP_ProcessAdjRefCountQueue();
+ lprintf(CTDL_NOTICE, "Processed %d message reference count adjustments.\n", retval);
+
+ lprintf(CTDL_INFO, "Auto-purger: finished.\n");
+
+ last_purge = now; /* So we don't do it again soon */
+}
+
+/*****************************************************************************/
+
+
+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;
+
+ /* 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;
+ }
+
+ 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);
+
+ 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);
+
+ realcount = 0;
+ for (ptr = rr; ptr != NULL; ptr = ptr->next) {
+ if (ptr->msgnum == msgnum) ++realcount;
+ }
+ cprintf("realcount=%-2d\n", realcount);
+
+ if ( (smi.meta_refcount != realcount)
+ || (realcount == 0) ) {
+ AdjRefCount(msgnum, (smi.meta_refcount - realcount));
+ }
+
}
+
+ }
+
+ cprintf("Freeing memory...\n");
+ while (rr != NULL) {
+ ptr = rr->next;
+ free(rr);
+ rr = ptr;
}
+ cprintf("Done!\n");
+ cprintf("000\n");
+
+}
+
-struct DLModule_Info *Dynamic_Module_Init(void)
+
+/*****************************************************************************/
+
+CTDL_MODULE_INIT(expire)
{
- CtdlRegisterProtoHook(cmd_expi, "EXPI", "Expire old system objects");
- return &info;
+ CtdlRegisterSessionHook(purge_databases, EVT_TIMER);
+ CtdlRegisterProtoHook(cmd_fsck, "FSCK", "Check message ref counts");
+
+ /* return our Subversion id for the Log */
+ return "$Id$";
}
projects / citadel.git / blobdiff