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authorJakub Hrozek <jhrozek@redhat.com>2013-01-15 07:05:56 +0100
committerJakub Hrozek <jhrozek@redhat.com>2013-01-16 16:57:16 +0100
commit0c517cb7fe642795f8c23f0df2cef6ba81e079e8 (patch)
tree9adc76e842841e21852577280fe359e218a404d3 /src/responder
parent58e37bf06ce31227e18e7ff0f74675b56933843e (diff)
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NSS: invalidate memcache user entry on initgr, too
https://fedorahosted.org/sssd/ticket/1757 When the user entry was missing completely after initgroups, we would never invalidate the user entry from cache. This led to dangling cache entried in memory cache if the user was removed from the server while still being in memory cache.
Diffstat (limited to 'src/responder')
-rw-r--r--src/responder/nss/nsssrv_cmd.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/responder/nss/nsssrv_cmd.c b/src/responder/nss/nsssrv_cmd.c
index 63d82e22..b1db367e 100644
--- a/src/responder/nss/nsssrv_cmd.c
+++ b/src/responder/nss/nsssrv_cmd.c
@@ -3410,6 +3410,7 @@ void nss_update_initgr_memcache(struct nss_ctx *nctx,
TALLOC_CTX *tmp_ctx = NULL;
struct sss_domain_info *dom;
struct ldb_result *res;
+ struct sized_string delete_name;
bool changed = false;
uint32_t id;
uint32_t gids[gnum];
@@ -3448,6 +3449,16 @@ void nss_update_initgr_memcache(struct nss_ctx *nctx,
memcpy(gids, groups, gnum * sizeof(uint32_t));
if (ret == ENOENT || res->count == 0) {
+ /* The user is gone. Invalidate the mc record */
+ to_sized_string(&delete_name, name);
+ ret = sss_mmap_cache_pw_invalidate(nctx->pwd_mc_ctx, &delete_name);
+ if (ret != EOK && ret != ENOENT) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Internal failure in memory cache code: %d [%s]\n",
+ ret, strerror(ret)));
+ }
+
+ /* Also invalidate his groups */
changed = true;
} else {
/* we skip the first entry, it's the user itself */