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authorJakub Hrozek <jhrozek@redhat.com>2012-03-09 11:22:48 -0500
committerStephen Gallagher <sgallagh@redhat.com>2012-03-09 15:09:14 -0500
commit7c9d530b83a5b2469533e232ca7d5af508e03901 (patch)
treea591a37660e0be52f642a9e3ef8ae6d52df106e7
parent4fca0fef2d9ea765d52b5f70170ba86811e420ff (diff)
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sssd-7c9d530b83a5b2469533e232ca7d5af508e03901.tar.xz
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Fix netgroup error handling
https://fedorahosted.org/sssd/ticket/1242
-rw-r--r--src/providers/proxy/proxy_netgroup.c76
1 files changed, 59 insertions, 17 deletions
diff --git a/src/providers/proxy/proxy_netgroup.c b/src/providers/proxy/proxy_netgroup.c
index 797f8c6b8..0c8f5c660 100644
--- a/src/providers/proxy/proxy_netgroup.c
+++ b/src/providers/proxy/proxy_netgroup.c
@@ -96,6 +96,41 @@ static errno_t save_netgroup(struct sysdb_ctx *sysdb,
return EOK;
}
+static errno_t handle_error(enum nss_status status,
+ struct sysdb_ctx *sysdb, const char *name)
+{
+ errno_t ret;
+
+ switch (status) {
+ case NSS_STATUS_SUCCESS:
+ DEBUG(SSSDBG_TRACE_INTERNAL, ("Netgroup lookup succeeded\n"));
+ ret = EOK;
+ break;
+
+ case NSS_STATUS_NOTFOUND:
+ DEBUG(SSSDBG_MINOR_FAILURE, ("The netgroup was not found\n"));
+ ret = sysdb_delete_netgroup(sysdb, name);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Cannot delete netgroup: %d\n", ret));
+ ret = EIO;
+ }
+ break;
+
+ case NSS_STATUS_UNAVAIL:
+ DEBUG(SSSDBG_TRACE_LIBS,
+ ("The proxy target did not respond, going offline\n"));
+ ret = ENXIO;
+ break;
+
+ default:
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Unexpected error looking up netgroup\n"));
+ ret = EIO;
+ break;
+ }
+
+ return ret;
+}
+
errno_t get_netgroup(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
@@ -105,49 +140,57 @@ errno_t get_netgroup(struct proxy_id_ctx *ctx,
enum nss_status status;
char buffer[BUFLEN];
int ret;
- TALLOC_CTX *tmp_ctx;
+ TALLOC_CTX *tmp_ctx = NULL;
struct sysdb_attrs *attrs;
- memset(&result, 0 ,sizeof(result));
+ memset(&result, 0, sizeof(result));
status = ctx->ops.setnetgrent(name, &result);
if (status != NSS_STATUS_SUCCESS) {
- DEBUG(5, ("setnetgrent failed for netgroup [%s].\n", name));
- return EIO;
+ DEBUG(SSSDBG_OP_FAILURE,
+ ("setnetgrent failed for netgroup [%s].\n", name));
+ ret = handle_error(status, sysdb, name);
+ goto done;
}
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
- DEBUG(1, ("talloc_new failed.\n"));
- return ENOMEM;
+ DEBUG(SSSDBG_CRIT_FAILURE, ("talloc_new failed.\n"));
+ ret = ENOMEM;
+ goto done;
}
attrs = sysdb_new_attrs(tmp_ctx);
if (attrs == NULL) {
- DEBUG(1, ("sysdb_new_attrs failed.\n"));
- return ENOMEM;
+ DEBUG(SSSDBG_CRIT_FAILURE, ("sysdb_new_attrs failed.\n"));
+ ret = ENOMEM;
+ goto done;
}
do {
status = ctx->ops.getnetgrent_r(&result, buffer, BUFLEN, &ret);
- if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_RETURN) {
- DEBUG(1, ("getnetgrent_r failed for netgroup [%s]: [%d][%s].\n",
- name, ret, strerror(ret)));
+ if (status != NSS_STATUS_SUCCESS &&
+ status != NSS_STATUS_RETURN &&
+ status != NSS_STATUS_NOTFOUND) {
+ ret = handle_error(status, sysdb, name);
+ DEBUG(SSSDBG_OP_FAILURE,
+ ("getnetgrent_r failed for netgroup [%s]: [%d][%s].\n",
+ name, ret, strerror(ret)));
goto done;
}
if (status == NSS_STATUS_SUCCESS) {
ret = make_netgroup_attr(result, attrs);
if (ret != EOK) {
- DEBUG(1, ("make_netgroup_attr failed.\n"));
+ DEBUG(SSSDBG_CRIT_FAILURE, ("make_netgroup_attr failed.\n"));
goto done;
}
}
- } while (status != NSS_STATUS_RETURN);
+ } while (status != NSS_STATUS_RETURN && status != NSS_STATUS_NOTFOUND);
status = ctx->ops.endnetgrent(&result);
if (status != NSS_STATUS_SUCCESS) {
- DEBUG(1, ("endnetgrent failed.\n"));
- ret = EIO;
+ DEBUG(SSSDBG_OP_FAILURE, ("endnetgrent failed.\n"));
+ ret = handle_error(status, sysdb, name);
goto done;
}
@@ -155,7 +198,7 @@ errno_t get_netgroup(struct proxy_id_ctx *ctx,
!dom->case_sensitive,
dom->netgroup_timeout);
if (ret != EOK) {
- DEBUG(1, ("sysdb_add_netgroup failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("sysdb_add_netgroup failed.\n"));
goto done;
}
@@ -163,6 +206,5 @@ errno_t get_netgroup(struct proxy_id_ctx *ctx,
done:
talloc_free(tmp_ctx);
-
return ret;
}