summaryrefslogtreecommitdiff
path: root/source3/lib
diff options
context:
space:
mode:
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/idmap_cache.c57
-rw-r--r--source3/lib/idmap_cache.h2
2 files changed, 58 insertions, 1 deletions
diff --git a/source3/lib/idmap_cache.c b/source3/lib/idmap_cache.c
index 6783215b41..413029c7a1 100644
--- a/source3/lib/idmap_cache.c
+++ b/source3/lib/idmap_cache.c
@@ -261,7 +261,54 @@ void idmap_cache_set_sid2gid(const struct dom_sid *sid, gid_t gid)
}
}
+
+/**
+ * Store a mapping in the idmap cache
+ * @param[in] sid the sid to map
+ * @param[in] uid/gid the uid/gid to map
+ *
+ * If both parameters are valid values, then a positive mapping in both
+ * directions is stored. If "is_null_sid(sid)" is true, then this will be a
+ * negative mapping of gid, we want to cache that for this id we could not
+ * find anything. Likewise if "id==-1", then we want to cache that we did not
+ * find a mapping for the sid passed here.
+ */
+
+void idmap_cache_set_sid2both(const struct dom_sid *sid, uid_t id)
+{
+ time_t now = time(NULL);
+ time_t timeout;
+ fstring sidstr, key, value;
+
+ if (!is_null_sid(sid)) {
+ fstr_sprintf(key, "IDMAP/SID2BOTH/%s",
+ sid_to_fstring(sidstr, sid));
+ fstr_sprintf(value, "%d", (int)id);
+ timeout = (id == -1)
+ ? lp_idmap_negative_cache_time()
+ : lp_idmap_cache_time();
+ gencache_set(key, value, now + timeout);
+ }
+ if (id != -1) {
+ fstr_sprintf(key, "IDMAP/BOTH2SID/%d", (int)id);
+ if (is_null_sid(sid)) {
+ /* negative id 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);
+ }
+}
+
+
static char* key_xid2sid_str(TALLOC_CTX* mem_ctx, char t, const char* id) {
+ if (t == 'B') {
+ return talloc_asprintf(mem_ctx, "IDMAP/BOTH2SID/%s", id);
+ }
return talloc_asprintf(mem_ctx, "IDMAP/%cID2SID/%s", t, id);
}
@@ -272,6 +319,9 @@ static char* key_xid2sid(TALLOC_CTX* mem_ctx, char t, int id) {
}
static char* key_sid2xid_str(TALLOC_CTX* mem_ctx, char t, const char* sid) {
+ if (t == 'B') {
+ return talloc_asprintf(mem_ctx, "IDMAP/SID2BOTH/%s", sid);
+ }
return talloc_asprintf(mem_ctx, "IDMAP/SID2%cID/%s", t, sid);
}
@@ -328,6 +378,10 @@ bool idmap_cache_del_gid(gid_t gid) {
return idmap_cache_del_xid('G', gid);
}
+bool idmap_cache_del_both(uid_t id) {
+ return idmap_cache_del_xid('B', id);
+}
+
static bool idmap_cache_del_sid2xid(TALLOC_CTX* mem_ctx, char t, const char* sid)
{
const char* sid_key = key_sid2xid_str(mem_ctx, t, sid);
@@ -367,7 +421,8 @@ bool idmap_cache_del_sid(const struct dom_sid *sid)
bool ret = true;
if (!idmap_cache_del_sid2xid(mem_ctx, 'U', sid_str) &&
- !idmap_cache_del_sid2xid(mem_ctx, 'G', sid_str))
+ !idmap_cache_del_sid2xid(mem_ctx, 'G', sid_str) &&
+ !idmap_cache_del_sid2xid(mem_ctx, 'B', sid_str))
{
DEBUG(3, ("no entry: %s\n", key_xid2sid_str(mem_ctx, '?', sid_str)));
ret = false;
diff --git a/source3/lib/idmap_cache.h b/source3/lib/idmap_cache.h
index 1a62dba64f..4c87139770 100644
--- a/source3/lib/idmap_cache.h
+++ b/source3/lib/idmap_cache.h
@@ -31,9 +31,11 @@ bool idmap_cache_find_sid2gid(const struct dom_sid *sid, gid_t *pgid,
bool *expired);
bool idmap_cache_find_gid2sid(gid_t gid, struct dom_sid *sid, bool *expired);
void idmap_cache_set_sid2gid(const struct dom_sid *sid, gid_t gid);
+void idmap_cache_set_sid2both(const struct dom_sid *sid, uid_t id);
bool idmap_cache_del_uid(uid_t uid);
bool idmap_cache_del_gid(gid_t gid);
+bool idmap_cache_del_both(uid_t uid);
bool idmap_cache_del_sid(const struct dom_sid *sid);
#endif /* _LIB_IDMAP_CACHE_H_ */