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Revert "Convert idmap_cache to gencache"

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This reverts commit 0bf0434f22.
This commit is contained in:
Volker Lendecke 2008-07-11 17:42:58 +02:00
parent d4d106776a
commit cc53667773
4 changed files with 411 additions and 144 deletions
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13
source/include/proto.h
View File

@ -10494,13 +10494,12 @@ char *idmap_fetch_secret(const char *backend, bool alloc,
/* The following definitions come from winbindd/idmap_cache.c */
NTSTATUS idmap_cache_set(const struct id_map *id);
NTSTATUS idmap_cache_set_negative_sid(const struct id_map *id);
NTSTATUS idmap_cache_set_negative_id(const struct id_map *id);
bool idmap_cache_map_sid(const struct dom_sid *sid, struct unixid *xid,
bool *mapped, bool *expired);
bool idmap_cache_map_id(const struct unixid *xid, struct dom_sid *psid,
bool *mapped, bool *expired);
struct idmap_cache_ctx *idmap_cache_init(TALLOC_CTX *memctx);
NTSTATUS idmap_cache_set(struct idmap_cache_ctx *cache, const struct id_map *id);
NTSTATUS idmap_cache_set_negative_sid(struct idmap_cache_ctx *cache, const struct id_map *id);
NTSTATUS idmap_cache_set_negative_id(struct idmap_cache_ctx *cache, const struct id_map *id);
NTSTATUS idmap_cache_map_sid(struct idmap_cache_ctx *cache, struct id_map *id);
NTSTATUS idmap_cache_map_id(struct idmap_cache_ctx *cache, struct id_map *id);
/* The following definitions come from winbindd/idmap_nss.c */

54
source/winbindd/idmap.c
View File

@ -40,6 +40,8 @@ struct idmap_alloc_backend {
struct idmap_alloc_backend *prev, *next;
};
struct idmap_cache_ctx;
struct idmap_alloc_context {
const char *params;
struct idmap_alloc_methods *methods;
@ -47,6 +49,7 @@ struct idmap_alloc_context {
};
static TALLOC_CTX *idmap_ctx = NULL;
static struct idmap_cache_ctx *idmap_cache;
static struct idmap_backend *backends = NULL;
static struct idmap_domain **idmap_domains = NULL;
@ -243,6 +246,7 @@ NTSTATUS idmap_close(void)
/* this talloc_free call will fire the talloc destructors
* that will free all active backends resources */
TALLOC_FREE(idmap_ctx);
idmap_cache = NULL;
idmap_domains = NULL;
backends = NULL;
@ -265,6 +269,10 @@ NTSTATUS idmap_init_cache(void)
return NT_STATUS_NO_MEMORY;
}
if ( (idmap_cache = idmap_cache_init(idmap_ctx)) == NULL ) {
return NT_STATUS_UNSUCCESSFUL;
}
return NT_STATUS_OK;
}
@ -1308,28 +1316,15 @@ NTSTATUS idmap_unixids_to_sids(struct id_map **ids)
for (i = 0; ids[i]; i++) {
bool found, mapped, expired;
if ( ! ids[i]->sid) {
DEBUG(1, ("invalid null SID in id_map array"));
talloc_free(ctx);
return NT_STATUS_INVALID_PARAMETER;
}
ids[i]->status = ID_UNKNOWN;
ret = idmap_cache_map_id(idmap_cache, ids[i]);
found = idmap_cache_map_id(&ids[i]->xid, ids[i]->sid,
&mapped, &expired);
if (found) {
ids[i]->status = mapped ? ID_MAPPED : ID_UNMAPPED;
}
if (!found || (expired && IS_DOMAIN_ONLINE(our_domain))) {
/*
* Need to ask the backend
*/
if ( ! NT_STATUS_IS_OK(ret)) {
if ( ! bids) {
/* alloc space for ids to be resolved by
@ -1381,7 +1376,7 @@ NTSTATUS idmap_unixids_to_sids(struct id_map **ids)
/* update the cache */
for (i = 0; i < bi; i++) {
if (bids[i]->status == ID_MAPPED) {
ret = idmap_cache_set(bids[i]);
ret = idmap_cache_set(idmap_cache, bids[i]);
} else if (bids[i]->status == ID_EXPIRED) {
/* the cache returned an expired entry and the
* backend was not able to clear the situation
@ -1396,7 +1391,8 @@ NTSTATUS idmap_unixids_to_sids(struct id_map **ids)
* settle down. */
bids[i]->status = ID_UNMAPPED;
} else { /* unmapped */
ret = idmap_cache_set_negative_id(bids[i]);
ret = idmap_cache_set_negative_id(idmap_cache,
bids[i]);
}
IDMAP_CHECK_RET(ret);
}
@ -1438,28 +1434,15 @@ NTSTATUS idmap_sids_to_unixids(struct id_map **ids)
for (i = 0; ids[i]; i++) {
bool found, mapped, expired;
if ( ! ids[i]->sid) {
DEBUG(1, ("invalid null SID in id_map array\n"));
talloc_free(ctx);
return NT_STATUS_INVALID_PARAMETER;
}
ids[i]->status = ID_UNKNOWN;
ret = idmap_cache_map_sid(idmap_cache, ids[i]);
found = idmap_cache_map_sid(ids[i]->sid, &ids[i]->xid,
&mapped, &expired);
if (found) {
ids[i]->status = mapped ? ID_MAPPED : ID_UNMAPPED;
}
if (!found || (expired && IS_DOMAIN_ONLINE(our_domain))) {
/*
* Need to ask the backends
*/
if ( ! NT_STATUS_IS_OK(ret)) {
if ( ! bids) {
/* alloc space for ids to be resolved
@ -1511,7 +1494,7 @@ NTSTATUS idmap_sids_to_unixids(struct id_map **ids)
/* update the cache */
for (i = 0; bids[i]; i++) {
if (bids[i]->status == ID_MAPPED) {
ret = idmap_cache_set(bids[i]);
ret = idmap_cache_set(idmap_cache, bids[i]);
} else if (bids[i]->status == ID_EXPIRED) {
/* the cache returned an expired entry and the
* backend was not able to clear the situation
@ -1526,7 +1509,8 @@ NTSTATUS idmap_sids_to_unixids(struct id_map **ids)
* settle down. */
bids[i]->status = ID_UNMAPPED;
} else { /* unmapped */
ret = idmap_cache_set_negative_sid(bids[i]);
ret = idmap_cache_set_negative_sid(idmap_cache,
bids[i]);
}
IDMAP_CHECK_RET(ret);
}
@ -1566,7 +1550,7 @@ NTSTATUS idmap_set_mapping(const struct id_map *id)
IDMAP_CHECK_RET(ret);
/* set the mapping in the cache */
ret = idmap_cache_set(id);
ret = idmap_cache_set(idmap_cache, id);
IDMAP_CHECK_RET(ret);
done:

487
source/winbindd/idmap_cache.c
View File

@ -1,8 +1,9 @@
/*
/*
Unix SMB/CIFS implementation.
ID Mapping Cache
Copyright (C) Volker Lendecke 2008
based on gencache
Copyright (C) Simo Sorce 2006
Copyright (C) Rafal Szczesniak 2002
@ -22,6 +23,52 @@
#include "includes.h"
#include "winbindd.h"
#define TIMEOUT_LEN 12
#define IDMAP_CACHE_DATA_FMT "%12u/%s"
struct idmap_cache_ctx {
TDB_CONTEXT *tdb;
};
static int idmap_cache_destructor(struct idmap_cache_ctx *cache)
{
int ret = 0;
if (cache && cache->tdb) {
ret = tdb_close(cache->tdb);
cache->tdb = NULL;
}
return ret;
}
struct idmap_cache_ctx *idmap_cache_init(TALLOC_CTX *memctx)
{
struct idmap_cache_ctx *cache;
char* cache_fname = NULL;
cache = talloc(memctx, struct idmap_cache_ctx);
if ( ! cache) {
DEBUG(0, ("Out of memory!\n"));
return NULL;
}
cache_fname = lock_path("idmap_cache.tdb");
DEBUG(10, ("Opening cache file at %s\n", cache_fname));
cache->tdb = tdb_open_log(cache_fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (!cache->tdb) {
DEBUG(5, ("Attempt to open %s has failed.\n", cache_fname));
return NULL;
}
talloc_set_destructor(cache, idmap_cache_destructor);
return cache;
}
static char *idmap_cache_sidkey(TALLOC_CTX *ctx, const DOM_SID *sid)
{
fstring sidstr;
@ -30,19 +77,21 @@ static char *idmap_cache_sidkey(TALLOC_CTX *ctx, const DOM_SID *sid)
sid_to_fstring(sidstr, sid));
}
static char *idmap_cache_idkey(TALLOC_CTX *ctx, const struct unixid *xid)
static char *idmap_cache_idkey(TALLOC_CTX *ctx, const struct id_map *id)
{
return talloc_asprintf(ctx, "IDMAP/%s/%lu",
(xid->type==ID_TYPE_UID)?"UID":"GID",
(unsigned long)xid->id);
(id->xid.type==ID_TYPE_UID)?"UID":"GID",
(unsigned long)id->xid.id);
}
NTSTATUS idmap_cache_set(const struct id_map *id)
NTSTATUS idmap_cache_set(struct idmap_cache_ctx *cache, const struct id_map *id)
{
NTSTATUS ret;
time_t timeout = time(NULL) + lp_idmap_cache_time();
TDB_DATA databuf;
char *sidkey;
char *idkey;
char *valstr;
/* Don't cache lookups in the S-1-22-{1,2} domain */
@ -51,179 +100,415 @@ NTSTATUS idmap_cache_set(const struct id_map *id)
return NT_STATUS_OK;
}
sidkey = idmap_cache_sidkey(talloc_tos(), id->sid);
sidkey = idmap_cache_sidkey(cache, id->sid);
if (sidkey == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* use sidkey as the local memory ctx */
idkey = idmap_cache_idkey(sidkey, &id->xid);
idkey = idmap_cache_idkey(sidkey, id);
if (idkey == NULL) {
ret = NT_STATUS_NO_MEMORY;
goto done;
}
if (!gencache_set(idkey, sidkey, timeout)
|| !gencache_set(sidkey, idkey, timeout)) {
/* save SID -> ID */
/* use sidkey as the local memory ctx */
valstr = talloc_asprintf(sidkey, IDMAP_CACHE_DATA_FMT, (int)timeout, idkey);
if (!valstr) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
databuf = string_term_tdb_data(valstr);
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", sidkey, valstr , ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store_bystring(cache->tdb, sidkey, databuf, TDB_REPLACE) != 0) {
DEBUG(3, ("Failed to store cache entry!\n"));
ret = NT_STATUS_ACCESS_DENIED;
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* save ID -> SID */
/* use sidkey as the local memory ctx */
valstr = talloc_asprintf(sidkey, IDMAP_CACHE_DATA_FMT, (int)timeout, sidkey);
if (!valstr) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
databuf = string_term_tdb_data(valstr);
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", idkey, valstr, ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store_bystring(cache->tdb, idkey, databuf, TDB_REPLACE) != 0) {
DEBUG(3, ("Failed to store cache entry!\n"));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
ret = NT_STATUS_OK;
done:
TALLOC_FREE(sidkey);
talloc_free(sidkey);
return ret;
}
NTSTATUS idmap_cache_set_negative_sid(const struct id_map *id)
NTSTATUS idmap_cache_set_negative_sid(struct idmap_cache_ctx *cache, const struct id_map *id)
{
NTSTATUS ret = NT_STATUS_OK;
time_t timeout = time(NULL) + lp_idmap_negative_cache_time();
TDB_DATA databuf;
char *sidkey;
char *valstr;
sidkey = idmap_cache_sidkey(talloc_tos(), id->sid);
sidkey = idmap_cache_sidkey(cache, id->sid);
if (sidkey == NULL) {
return NT_STATUS_NO_MEMORY;
}
if (!gencache_set(sidkey, "IDMAP/NEGATIVE",
time(NULL) + lp_idmap_negative_cache_time())) {
/* use sidkey as the local memory ctx */
valstr = talloc_asprintf(sidkey, IDMAP_CACHE_DATA_FMT, (int)timeout, "IDMAP/NEGATIVE");
if (!valstr) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
databuf = string_term_tdb_data(valstr);
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", sidkey, valstr, ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store_bystring(cache->tdb, sidkey, databuf, TDB_REPLACE) != 0) {
DEBUG(3, ("Failed to store cache entry!\n"));
ret = NT_STATUS_ACCESS_DENIED;
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
done:
TALLOC_FREE(sidkey);
talloc_free(sidkey);
return ret;
}
NTSTATUS idmap_cache_set_negative_id(const struct id_map *id)
NTSTATUS idmap_cache_set_negative_id(struct idmap_cache_ctx *cache, const struct id_map *id)
{
NTSTATUS ret = NT_STATUS_OK;
time_t timeout = time(NULL) + lp_idmap_negative_cache_time();
TDB_DATA databuf;
char *idkey;
char *valstr;
idkey = idmap_cache_idkey(talloc_tos(), &id->xid);
idkey = idmap_cache_idkey(cache, id);
if (idkey == NULL) {
return NT_STATUS_NO_MEMORY;
}
if (!gencache_set(idkey, "IDMAP/NEGATIVE",
time(NULL) + lp_idmap_negative_cache_time())) {
/* use idkey as the local memory ctx */
valstr = talloc_asprintf(idkey, IDMAP_CACHE_DATA_FMT, (int)timeout, "IDMAP/NEGATIVE");
if (!valstr) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
databuf = string_term_tdb_data(valstr);
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", idkey, valstr, ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store_bystring(cache->tdb, idkey, databuf, TDB_REPLACE) != 0) {
DEBUG(3, ("Failed to store cache entry!\n"));
ret = NT_STATUS_ACCESS_DENIED;
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
done:
TALLOC_FREE(idkey);
talloc_free(idkey);
return ret;
}
/*
* search the cache for the SID an return a mapping if found
*/
bool idmap_cache_map_sid(const struct dom_sid *sid, struct unixid *xid,
bool *mapped, bool *expired)
static NTSTATUS idmap_cache_fill_map(struct id_map *id, const char *value)
{
bool ret = false;
time_t timeout;
char *sidkey;
char *value;
char *rem;
sidkey = idmap_cache_sidkey(talloc_tos(), sid);
if (sidkey == NULL) {
DEBUG(0, ("idmap_cache_sidkey failed\n"));
return false;
}
/* see if it is a sid */
if ( ! strncmp("IDMAP/SID/", value, 10)) {
if (!gencache_get(sidkey, &value, &timeout)) {
TALLOC_FREE(sidkey);
return false;
}
if (strcmp(value, "IDMAP/NEGATIVE") == 0) {
*mapped = false;
}
else if (strncmp(value, "IDMAP/UID/", 10) == 0) {
*mapped = true;
xid->type = ID_TYPE_UID;
xid->id = strtol(&value[10], &rem, 10);
if (*rem != '\0') {
goto fail;
if ( ! string_to_sid(id->sid, &value[10])) {
goto failed;
}
}
else if (strncmp(value, "IDMAP/GID/", 10) == 0) {
*mapped = true;
xid->type = ID_TYPE_GID;
xid->id = strtol(&value[10], &rem, 10);
if (*rem != '\0') {
goto fail;
}
}
else {
goto fail;
id->status = ID_MAPPED;
return NT_STATUS_OK;
}
*expired = (timeout <= time(NULL));
/* not a SID see if it is an UID or a GID */
if ( ! strncmp("IDMAP/UID/", value, 10)) {
ret = true;
/* a uid */
id->xid.type = ID_TYPE_UID;
fail:
if (!ret) {
DEBUG(1, ("Invalid entry %s in cache\n", value));
} else if ( ! strncmp("IDMAP/GID/", value, 10)) {
/* a gid */
id->xid.type = ID_TYPE_GID;
} else {
/* a completely bogus value bail out */
goto failed;
}
SAFE_FREE(value);
TALLOC_FREE(sidkey);
return ret;
id->xid.id = strtol(&value[10], &rem, 0);
if (*rem != '\0') {
goto failed;
}
id->status = ID_MAPPED;
return NT_STATUS_OK;
failed:
DEBUG(1, ("invalid value: %s\n", value));
id->status = ID_UNKNOWN;
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
/*
* search the cache for the ID an return a mapping if found
/* search the cache for the SID an return a mapping if found *
*
* 4 cases are possible
*
* 1 map found
* in this case id->status = ID_MAPPED and NT_STATUS_OK is returned
* 2 map not found
* in this case id->status = ID_UNKNOWN and NT_STATUS_NONE_MAPPED is returned
* 3 negative cache found
* in this case id->status = ID_UNMAPPED and NT_STATUS_OK is returned
* 4 map found but timer expired
* in this case id->status = ID_EXPIRED and NT_STATUS_SYNCHRONIZATION_REQUIRED
* is returned. In this case revalidation of the cache is needed.
*/
bool idmap_cache_map_id(const struct unixid *xid, struct dom_sid *psid,
bool *mapped, bool *expired)
NTSTATUS idmap_cache_map_sid(struct idmap_cache_ctx *cache, struct id_map *id)
{
bool ret = false;
time_t timeout;
char *idkey;
char *value;
NTSTATUS ret = NT_STATUS_OK;
TDB_DATA databuf;
time_t t;
char *sidkey;
char *endptr;
struct winbindd_domain *our_domain = find_our_domain();
time_t now = time(NULL);
idkey = idmap_cache_idkey(talloc_tos(), xid);
if (idkey == NULL) {
return false;
/* make sure it is marked as not mapped by default */
id->status = ID_UNKNOWN;
sidkey = idmap_cache_sidkey(cache, id->sid);
if (sidkey == NULL) {
return NT_STATUS_NO_MEMORY;
}
if (!gencache_get(idkey, &value, &timeout)) {
TALLOC_FREE(idkey);
return false;
databuf = tdb_fetch_bystring(cache->tdb, sidkey);
if (databuf.dptr == NULL) {
DEBUG(10, ("Cache entry with key = %s couldn't be found\n", sidkey));
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
if (strcmp(value, "IDMAP/NEGATIVE") == 0) {
*mapped = false;
t = strtol((const char *)databuf.dptr, &endptr, 10);
if ((endptr == NULL) || (*endptr != '/')) {
DEBUG(2, ("Invalid idmap cache data format: %s\n",
(const char *)databuf.dptr));
/* remove the entry */
tdb_delete_bystring(cache->tdb, sidkey);
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
else if (strncmp(value, "IDMAP/SID/", 10) == 0) {
*mapped = true;
if (!string_to_sid(psid, value+10)) {
goto fail;
/* check it is not negative */
if (strcmp("IDMAP/NEGATIVE", endptr+1) != 0) {
DEBUG(10, ("Returning %s cache entry: key = %s, value = %s, "
"timeout = %s", t > now ? "valid" :
"expired", sidkey, endptr+1, ctime(&t)));
/* this call if successful will also mark the entry as mapped */
ret = idmap_cache_fill_map(id, endptr+1);
if ( ! NT_STATUS_IS_OK(ret)) {
/* if not valid form delete the entry */
tdb_delete_bystring(cache->tdb, sidkey);
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
}
else {
goto fail;
/* here ret == NT_STATUS_OK and id->status = ID_MAPPED */
if (t <= now) {
/* If we've been told to be offline - stay in
that state... */
if ( IS_DOMAIN_OFFLINE(our_domain) ) {
DEBUG(10,("idmap_cache_map_sid: idmap is offline\n"));
goto done;
}
/* We're expired, set an error code
for upper layer */
ret = NT_STATUS_SYNCHRONIZATION_REQUIRED;
}
goto done;
}
ret = true;
/* Was a negative cache hit */
fail:
if (!ret) {
DEBUG(1, ("Invalid entry %s in cache\n", value));
/* Ignore the negative cache when offline */
if ( IS_DOMAIN_OFFLINE(our_domain) ) {
DEBUG(10,("idmap_cache_map_sid: idmap is offline\n"));
goto done;
}
SAFE_FREE(value);
TALLOC_FREE(idkey);
/* Check for valid or expired cache hits */
if (t <= now) {
/* We're expired. Return not mapped */
ret = NT_STATUS_NONE_MAPPED;
} else {
/* this is not mapped as it was a negative cache hit */
id->status = ID_UNMAPPED;
ret = NT_STATUS_OK;
}
done:
SAFE_FREE(databuf.dptr);
talloc_free(sidkey);
return ret;
}
/* search the cache for the ID an return a mapping if found *
*
* 4 cases are possible
*
* 1 map found
* in this case id->status = ID_MAPPED and NT_STATUS_OK is returned
* 2 map not found
* in this case id->status = ID_UNKNOWN and NT_STATUS_NONE_MAPPED is returned
* 3 negative cache found
* in this case id->status = ID_UNMAPPED and NT_STATUS_OK is returned
* 4 map found but timer expired
* in this case id->status = ID_EXPIRED and NT_STATUS_SYNCHRONIZATION_REQUIRED
* is returned. In this case revalidation of the cache is needed.
*/
NTSTATUS idmap_cache_map_id(struct idmap_cache_ctx *cache, struct id_map *id)
{
NTSTATUS ret;
TDB_DATA databuf;
time_t t;
char *idkey;
char *endptr;
struct winbindd_domain *our_domain = find_our_domain();
time_t now = time(NULL);
/* make sure it is marked as unknown by default */
id->status = ID_UNKNOWN;
idkey = idmap_cache_idkey(cache, id);
if (idkey == NULL) {
return NT_STATUS_NO_MEMORY;
}
databuf = tdb_fetch_bystring(cache->tdb, idkey);
if (databuf.dptr == NULL) {
DEBUG(10, ("Cache entry with key = %s couldn't be found\n", idkey));
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
t = strtol((const char *)databuf.dptr, &endptr, 10);
if ((endptr == NULL) || (*endptr != '/')) {
DEBUG(2, ("Invalid idmap cache data format: %s\n",
(const char *)databuf.dptr));
/* remove the entry */
tdb_delete_bystring(cache->tdb, idkey);
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
/* check it is not negative */
if (strcmp("IDMAP/NEGATIVE", endptr+1) != 0) {
DEBUG(10, ("Returning %s cache entry: key = %s, value = %s, "
"timeout = %s", t > now ? "valid" :
"expired", idkey, endptr+1, ctime(&t)));
/* this call if successful will also mark the entry as mapped */
ret = idmap_cache_fill_map(id, endptr+1);
if ( ! NT_STATUS_IS_OK(ret)) {
/* if not valid form delete the entry */
tdb_delete_bystring(cache->tdb, idkey);
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
/* here ret == NT_STATUS_OK and id->mapped = ID_MAPPED */
if (t <= now) {
/* If we've been told to be offline - stay in
that state... */
if ( IS_DOMAIN_OFFLINE(our_domain) ) {
DEBUG(10,("idmap_cache_map_sid: idmap is offline\n"));
goto done;
}
/* We're expired, set an error code
for upper layer */
ret = NT_STATUS_SYNCHRONIZATION_REQUIRED;
}
goto done;
}
/* Was a negative cache hit */
/* Ignore the negative cache when offline */
if ( IS_DOMAIN_OFFLINE(our_domain) ) {
DEBUG(10,("idmap_cache_map_sid: idmap is offline\n"));
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
/* Process the negative cache hit */
if (t <= now) {
/* We're expired. Return not mapped */
ret = NT_STATUS_NONE_MAPPED;
} else {
/* this is not mapped is it was a negative cache hit */
id->status = ID_UNMAPPED;
ret = NT_STATUS_OK;
}
done:
SAFE_FREE(databuf.dptr);
talloc_free(idkey);
return ret;
}

1
source/winbindd/winbindd.h
View File

@ -379,5 +379,4 @@ enum ent_type {
#define IS_DOMAIN_OFFLINE(x) ( lp_winbind_offline_logon() && \
( get_global_winbindd_state_offline() \
|| !(x)->online ) )
#define IS_DOMAIN_ONLINE(x) (!(IS_DOMAIN_OFFLINE(x)))
#endif /* _WINBINDD_H */