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Diffstat (limited to 'source3/winbindd/idmap_cache.c')
| -rw-r--r-- | source3/winbindd/idmap_cache.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/source3/winbindd/idmap_cache.c b/source3/winbindd/idmap_cache.c deleted file mode 100644 index 496f70ab45..0000000000 --- a/source3/winbindd/idmap_cache.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - Unix SMB/CIFS implementation. - ID Mapping Cache - - 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 - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>.*/ - -#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) -{ - fstring sidstr; - char *key; - char *value; - char *endptr; - time_t timeout; - uid_t uid; - bool ret; - - key = talloc_asprintf(talloc_tos(), "IDMAP/SID2UID/%s", - sid_to_fstring(sidstr, sid)); - if (key == NULL) { - return false; - } - ret = gencache_get(key, &value, &timeout); - TALLOC_FREE(key); - if (!ret) { - return false; - } - uid = strtol(value, &endptr, 10); - ret = (*endptr == '\0'); - SAFE_FREE(value); - if (ret) { - *puid = uid; - *expired = (timeout <= time(NULL)); - } - 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; - char *value; - time_t timeout; - bool ret = true; - - key = talloc_asprintf(talloc_tos(), "IDMAP/UID2SID/%d", (int)uid); - if (key == NULL) { - return false; - } - ret = gencache_get(key, &value, &timeout); - TALLOC_FREE(key); - if (!ret) { - return false; - } - ZERO_STRUCTP(sid); - if (value[0] != '-') { - ret = string_to_sid(sid, value); - } - SAFE_FREE(value); - if (ret) { - *expired = (timeout <= time(NULL)); - } - 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); - time_t timeout; - fstring sidstr, key, value; - - if (!is_null_sid(sid)) { - fstr_sprintf(key, "IDMAP/SID2UID/%s", - sid_to_fstring(sidstr, sid)); - fstr_sprintf(value, "%d", (int)uid); - timeout = (uid == -1) - ? lp_idmap_negative_cache_time() - : lp_idmap_cache_time(); - gencache_set(key, value, now + timeout); - } - if (uid != -1) { - fstr_sprintf(key, "IDMAP/UID2SID/%d", (int)uid); - if (is_null_sid(sid)) { - /* negative uid 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); - } -} - -/** - * 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) -{ - fstring sidstr; - char *key; - char *value; - char *endptr; - time_t timeout; - gid_t gid; - bool ret; - - key = talloc_asprintf(talloc_tos(), "IDMAP/SID2GID/%s", - sid_to_fstring(sidstr, sid)); - if (key == NULL) { - return false; - } - ret = gencache_get(key, &value, &timeout); - TALLOC_FREE(key); - if (!ret) { - return false; - } - gid = strtol(value, &endptr, 10); - ret = (*endptr == '\0'); - SAFE_FREE(value); - if (ret) { - *pgid = gid; - *expired = (timeout <= time(NULL)); - } - 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; - char *value; - time_t timeout; - bool ret = true; - - key = talloc_asprintf(talloc_tos(), "IDMAP/GID2SID/%d", (int)gid); - if (key == NULL) { - return false; - } - ret = gencache_get(key, &value, &timeout); - TALLOC_FREE(key); - if (!ret) { - return false; - } - ZERO_STRUCTP(sid); - if (value[0] != '-') { - ret = string_to_sid(sid, value); - } - SAFE_FREE(value); - if (ret) { - *expired = (timeout <= time(NULL)); - } - 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); - 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); - } -} |