#include <limits.h>
#include "citadel.h"
#include "server.h"
-#include "sysdep_decls.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
-#include "serv_extensions.h"
#include "room_ops.h"
#include "policy.h"
#include "database.h"
#include "tools.h"
+#include "ctdl_module.h"
+
+
struct PurgeList {
struct PurgeList *next;
char name[ROOMNAMELEN]; /* use the larger of username or roomname */
struct UPurgeList {
struct UPurgeList *next;
- char up_key[SIZ];
+ char up_key[256];
+};
+
+struct EPurgeList {
+ struct EPurgeList *next;
+ int ep_keylen;
+ char *ep_key;
};
struct ValidRoom *ValidRoomList = NULL;
struct ValidUser *ValidUserList = NULL;
int messages_purged;
+int users_not_purged;
struct ctdlroomref *rr = NULL;
struct ExpirePolicy epbuf;
long delnum;
time_t xtime, now;
- struct CtdlMessage *msg;
+ struct CtdlMessage *msg = NULL;
int a;
struct cdbdata *cdbfr;
long *msglist = NULL;
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) {
- if (msglist != NULL) phree(msglist);
+ if (msglist != NULL) free(msglist);
return;
}
for (a=0; a<num_msgs; ++a) {
delnum = msglist[a];
- msg = CtdlFetchMessage(delnum);
+ msg = CtdlFetchMessage(delnum, 0); /* dont need body */
if (msg != NULL) {
xtime = atol(msg->cm_fields['T']);
CtdlFreeMessage(msg);
}
}
- if (msglist != NULL) phree(msglist);
+ if (msglist != NULL) free(msglist);
}
if (!strncasecmp(buf, "m=", 2)) {
msgnum = atol(&buf[2]);
if (msgnum > 0L) {
- CtdlDeleteMessages(roomname, msgnum, "");
+ CtdlDeleteMessages(roomname, &msgnum, 1, "");
}
}
}
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 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;
} /* !QR_MAILBOX */
if (do_purge) {
- pptr = (struct PurgeList *) mallok(sizeof(struct PurgeList));
+ pptr = (struct PurgeList *) malloc(sizeof(struct PurgeList));
pptr->next = RoomPurgeList;
strcpy(pptr->name, qrbuf->QRname);
RoomPurgeList = pptr;
/* Free the valid user list */
while (ValidUserList != NULL) {
vuptr = ValidUserList->next;
- phree(ValidUserList);
+ free(ValidUserList);
ValidUserList = vuptr;
}
- transcript = mallok(SIZ);
+ 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)+SIZ);
+ 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(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;
+ }
+}
+
+
+
+/*
+ * 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;
struct PurgeList *pptr;
- /* stupid recovery routine to re-create missing mailboxen.
- * don't enable this.
- struct ctdlroom qrbuf;
- char mailboxname[ROOMNAMELEN];
- MailboxName(mailboxname, us, MAILROOM);
- create_room(mailboxname, 4, "", 0, 1, 1);
- if (getroom(&qrbuf, mailboxname) != 0) return;
- lprintf(CTDL_DEBUG, "Got %s\n", qrbuf.QRname);
- */
-
-
/* Set purge time; if the user overrides the system default, use it */
if (us->USuserpurge > 0) {
purge_time = ((time_t)us->USuserpurge) * 86400L;
*/
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;
+ }
}
char *transcript = NULL;
lprintf(CTDL_DEBUG, "PurgeUsers() called\n");
- if (config.c_userpurge > 0) {
- ForEachUser(do_user_purge, NULL);
+ 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(SIZ);
- 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)+SIZ);
- snprintf(&transcript[strlen(transcript)], SIZ, " %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(CTDL_DEBUG, "Purged %d users.\n", num_users_purged);
return(num_users_purged);
/* 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;
/* 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;
}
VisitPurgeList->vp_usernum);
cdb_delete(CDB_VISIT, IndexBuf, IndexLen);
vptr = VisitPurgeList->next;
- phree(VisitPurgeList);
+ free(VisitPurgeList);
VisitPurgeList = vptr;
++purged;
}
cdb_free(cdbut);
if ( (time(NULL) - ut.ut_timestamp) > USETABLE_RETAIN ) {
- uptr = (struct UPurgeList *) mallok(sizeof(struct UPurgeList));
+ uptr = (struct UPurgeList *) malloc(sizeof(struct UPurgeList));
if (uptr != NULL) {
uptr->next = ul;
- safestrncpy(uptr->up_key, ut.ut_msgid, SIZ);
+ safestrncpy(uptr->up_key, ut.ut_msgid, sizeof uptr->up_key);
ul = uptr;
}
++purged;
while (ul != NULL) {
cdb_delete(CDB_USETABLE, ul->up_key, strlen(ul->up_key));
uptr = ul->next;
- phree(ul);
+ free(ul);
ul = uptr;
}
}
+
+/*
+ * 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 purge_databases(void) {
int retval;
static time_t last_purge = 0;
* last twelve hours. This is usually enough granularity.
*/
now = time(NULL);
- memcpy(&tm, localtime(&now), sizeof(struct tm));
+ localtime_r(&now, &tm);
if (tm.tm_hour != config.c_purge_hour) return;
if ((now - last_purge) < 43200) return;
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 *)mallok(sizeof(struct ctdlroomref));
+ 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, do_fsck_msg, NULL);
+ CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, do_fsck_msg, NULL);
}
/*
if ( (smi.meta_refcount != realcount)
|| (realcount == 0) ) {
- smi.meta_refcount = realcount;
- PutMetaData(&smi);
- AdjRefCount(msgnum, 0); /* deletes if needed */
+ AdjRefCount(msgnum, (smi.meta_refcount - realcount));
}
}
cprintf("Freeing memory...\n");
while (rr != NULL) {
ptr = rr->next;
- phree(rr);
+ free(rr);
rr = ptr;
}
/*****************************************************************************/
-char *serv_expire_init(void)
+CTDL_MODULE_INIT(expire)
{
CtdlRegisterSessionHook(purge_databases, EVT_TIMER);
CtdlRegisterProtoHook(cmd_fsck, "FSCK", "Check message ref counts");
+
+ /* return our Subversion id for the Log */
return "$Id$";
}