void idmap_cache_set_sid2gid(const struct dom_sid *sid, gid_t gid)
{
time_t now = time(NULL);
time_t timeout;
fstring sidstr, key, value;
if (!is_null_sid(sid)) {
fstr_sprintf(key, "IDMAP/SID2GID/%s",
sid_to_fstring(sidstr, sid));
fstr_sprintf(value, "%d", (int)gid);
timeout = (gid == -1)
? lp_idmap_negative_cache_time()
: lp_idmap_cache_time();
gencache_set(key, value, now + timeout);
}
if (gid != -1) {
fstr_sprintf(key, "IDMAP/GID2SID/%d", (int)gid);
if (is_null_sid(sid)) {
/* negative gid mapping */
fstrcpy(value, "-");
timeout = lp_idmap_negative_cache_time();
}
else {
sid_to_fstring(value, sid);
timeout = lp_idmap_cache_time();
}
gencache_set(key, value, now + timeout);
}
}
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 keybuf, databuf;
char *sidkey;
char *idkey;
char *valstr;
/* Don't cache lookups in the S-1-22-{1,2} domain */
if ( (id->xid.type == ID_TYPE_UID) &&
sid_check_is_in_unix_users(id->sid) )
{
return NT_STATUS_OK;
}
if ( (id->xid.type == ID_TYPE_GID) &&
sid_check_is_in_unix_groups(id->sid) )
{
return NT_STATUS_OK;
}
ret = idmap_cache_build_sidkey(cache, &sidkey, id);
if (!NT_STATUS_IS_OK(ret)) return ret;
/* use sidkey as the local memory ctx */
ret = idmap_cache_build_idkey(sidkey, &idkey, id);
if (!NT_STATUS_IS_OK(ret)) {
goto done;
}
/* 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;
}
keybuf.dptr = sidkey;
keybuf.dsize = strlen(sidkey)+1;
databuf.dptr = valstr;
databuf.dsize = strlen(valstr)+1;
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", keybuf.dptr, valstr , ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store(cache->tdb, keybuf, databuf, TDB_REPLACE) != 0) {
DEBUG(3, ("Failed to store cache entry!\n"));
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;
}
keybuf.dptr = idkey;
keybuf.dsize = strlen(idkey)+1;
databuf.dptr = valstr;
databuf.dsize = strlen(valstr)+1;
DEBUG(10, ("Adding cache entry with key = %s; value = %s and timeout ="
" %s (%d seconds %s)\n", keybuf.dptr, valstr, ctime(&timeout),
(int)(timeout - time(NULL)),
timeout > time(NULL) ? "ahead" : "in the past"));
if (tdb_store(cache->tdb, keybuf, 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);
return ret;
}
