diff options
Diffstat (limited to 'source3/winbindd/idmap_cache.c')
| -rw-r--r-- | source3/winbindd/idmap_cache.c | 71 |
1 files changed, 66 insertions, 5 deletions
diff --git a/source3/winbindd/idmap_cache.c b/source3/winbindd/idmap_cache.c index b818d0dafb..496f70ab45 100644 --- a/source3/winbindd/idmap_cache.c +++ b/source3/winbindd/idmap_cache.c @@ -1,11 +1,8 @@ -/* +/* Unix SMB/CIFS implementation. ID Mapping Cache - based on gencache - - Copyright (C) Simo Sorce 2006 - Copyright (C) Rafal Szczesniak 2002 + Copyright (C) Volker Lendecke 2008 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,6 +20,16 @@ #include "includes.h" #include "winbindd.h" +/** + * Find a sid2uid mapping + * @param[in] sid the sid to map + * @param[out] puid where to put the result + * @param[out] expired is the cache entry expired? + * @retval Was anything in the cache at all? + * + * If *puid == -1 this was a negative mapping. + */ + bool idmap_cache_find_sid2uid(const struct dom_sid *sid, uid_t *puid, bool *expired) { @@ -54,6 +61,16 @@ bool idmap_cache_find_sid2uid(const struct dom_sid *sid, uid_t *puid, return ret; } +/** + * Find a uid2sid mapping + * @param[in] uid the uid to map + * @param[out] sid where to put the result + * @param[out] expired is the cache entry expired? + * @retval Was anything in the cache at all? + * + * If "is_null_sid(sid)", this was a negative mapping. + */ + bool idmap_cache_find_uid2sid(uid_t uid, struct dom_sid *sid, bool *expired) { char *key; @@ -81,6 +98,18 @@ bool idmap_cache_find_uid2sid(uid_t uid, struct dom_sid *sid, bool *expired) return ret; } +/** + * Store a mapping in the idmap cache + * @param[in] sid the sid to map + * @param[in] uid the uid 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 uid, we want to cache that for this uid we could not + * find anything. Likewise if "uid==-1", then we want to cache that we did not + * find a mapping for the sid passed here. + */ + void idmap_cache_set_sid2uid(const struct dom_sid *sid, uid_t uid) { time_t now = time(NULL); @@ -111,6 +140,16 @@ void idmap_cache_set_sid2uid(const struct dom_sid *sid, uid_t uid) } } +/** + * Find a sid2gid mapping + * @param[in] sid the sid to map + * @param[out] pgid where to put the result + * @param[out] expired is the cache entry expired? + * @retval Was anything in the cache at all? + * + * If *pgid == -1 this was a negative mapping. + */ + bool idmap_cache_find_sid2gid(const struct dom_sid *sid, gid_t *pgid, bool *expired) { @@ -142,6 +181,16 @@ bool idmap_cache_find_sid2gid(const struct dom_sid *sid, gid_t *pgid, return ret; } +/** + * Find a gid2sid mapping + * @param[in] gid the gid to map + * @param[out] sid where to put the result + * @param[out] expired is the cache entry expired? + * @retval Was anything in the cache at all? + * + * If "is_null_sid(sid)", this was a negative mapping. + */ + bool idmap_cache_find_gid2sid(gid_t gid, struct dom_sid *sid, bool *expired) { char *key; @@ -169,6 +218,18 @@ bool idmap_cache_find_gid2sid(gid_t gid, struct dom_sid *sid, bool *expired) return ret; } +/** + * Store a mapping in the idmap cache + * @param[in] sid the sid to map + * @param[in] gid the 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 gid we could not + * find anything. Likewise if "gid==-1", then we want to cache that we did not + * find a mapping for the sid passed here. + */ + void idmap_cache_set_sid2gid(const struct dom_sid *sid, gid_t gid) { time_t now = time(NULL); |