From e683556dc6671a6047de8bb970d32360d5aa59dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrezina@redhat.com>
Date: Tue, 6 Aug 2019 12:08:59 +0200
Subject: [PATCH 76/90] cache_req: add autofs map by name plugin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We will use the current data provider call that downloads all map entries
but we will replace it later when new call is available.
Resolves:
https://pagure.io/SSSD/sssd/issue/2607
Reviewed-by: Tomáš Halman <thalman@redhat.com>
---
Makefile.am | 1 +
src/responder/common/cache_req/cache_req.c | 1 +
src/responder/common/cache_req/cache_req.h | 13 ++
.../common/cache_req/cache_req_data.c | 1 +
.../common/cache_req/cache_req_plugin.h | 1 +
.../plugins/cache_req_autofs_map_by_name.c | 124 ++++++++++++++++++
src/tests/cwrap/Makefile.am | 1 +
7 files changed, 142 insertions(+)
create mode 100644 src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c
diff --git a/Makefile.am b/Makefile.am
index 879f38311..461a9355f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -560,6 +560,7 @@ SSSD_CACHE_REQ_OBJ = \
src/responder/common/cache_req/plugins/cache_req_netgroup_by_name.c \
src/responder/common/cache_req/plugins/cache_req_host_by_name.c \
src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c \
+ src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c \
$(NULL)
SSSD_RESPONDER_IFACE_OBJ = \
diff --git a/src/responder/common/cache_req/cache_req.c b/src/responder/common/cache_req/cache_req.c
index 2ce9deca0..75f396a23 100644
--- a/src/responder/common/cache_req/cache_req.c
+++ b/src/responder/common/cache_req/cache_req.c
@@ -62,6 +62,7 @@ cache_req_get_plugin(enum cache_req_type type)
&cache_req_host_by_name,
&cache_req_autofs_map_entries,
+ &cache_req_autofs_map_by_name
};
if (type >= CACHE_REQ_SENTINEL) {
diff --git a/src/responder/common/cache_req/cache_req.h b/src/responder/common/cache_req/cache_req.h
index 0c214a483..66a13445c 100644
--- a/src/responder/common/cache_req/cache_req.h
+++ b/src/responder/common/cache_req/cache_req.h
@@ -55,6 +55,7 @@ enum cache_req_type {
CACHE_REQ_HOST_BY_NAME,
CACHE_REQ_AUTOFS_MAP_ENTRIES,
+ CACHE_REQ_AUTOFS_MAP_BY_NAME,
CACHE_REQ_SENTINEL
};
@@ -444,4 +445,16 @@ cache_req_autofs_map_entries_send(TALLOC_CTX *mem_ctx,
#define cache_req_autofs_map_entries_recv(mem_ctx, req, _result) \
cache_req_single_domain_recv(mem_ctx, req, _result)
+struct tevent_req *
+cache_req_autofs_map_by_name_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct resp_ctx *rctx,
+ struct sss_nc_ctx *ncache,
+ int cache_refresh_percent,
+ const char *domain,
+ const char *name);
+
+#define cache_req_autofs_map_by_name_recv(mem_ctx, req, _result) \
+ cache_req_single_domain_recv(mem_ctx, req, _result)
+
#endif /* _CACHE_REQ_H_ */
diff --git a/src/responder/common/cache_req/cache_req_data.c b/src/responder/common/cache_req/cache_req_data.c
index 20d73ebfd..ad6176641 100644
--- a/src/responder/common/cache_req/cache_req_data.c
+++ b/src/responder/common/cache_req/cache_req_data.c
@@ -94,6 +94,7 @@ cache_req_data_create(TALLOC_CTX *mem_ctx,
case CACHE_REQ_NETGROUP_BY_NAME:
case CACHE_REQ_OBJECT_BY_NAME:
case CACHE_REQ_AUTOFS_MAP_ENTRIES:
+ case CACHE_REQ_AUTOFS_MAP_BY_NAME:
if (input->name.input == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: name cannot be NULL!\n");
ret = ERR_INTERNAL;
diff --git a/src/responder/common/cache_req/cache_req_plugin.h b/src/responder/common/cache_req/cache_req_plugin.h
index 1071cd889..c040bf380 100644
--- a/src/responder/common/cache_req/cache_req_plugin.h
+++ b/src/responder/common/cache_req/cache_req_plugin.h
@@ -315,5 +315,6 @@ extern const struct cache_req_plugin cache_req_svc_by_port;
extern const struct cache_req_plugin cache_req_netgroup_by_name;
extern const struct cache_req_plugin cache_req_host_by_name;
extern const struct cache_req_plugin cache_req_autofs_map_entries;
+extern const struct cache_req_plugin cache_req_autofs_map_by_name;
#endif /* _CACHE_REQ_PLUGIN_H_ */
diff --git a/src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c b/src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c
new file mode 100644
index 000000000..2f69c762c
--- /dev/null
+++ b/src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c
@@ -0,0 +1,124 @@
+/*
+ Authors:
+ Pavel Březina <pbrezina@redhat.com>
+
+ Copyright (C) 2019 Red Hat
+
+ 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 <talloc.h>
+#include <ldb.h>
+
+#include "db/sysdb.h"
+#include "db/sysdb_autofs.h"
+#include "util/util.h"
+#include "providers/data_provider.h"
+#include "responder/common/cache_req/cache_req_plugin.h"
+
+static const char *
+cache_req_autofs_map_by_name_create_debug_name(TALLOC_CTX *mem_ctx,
+ struct cache_req_data *data,
+ struct sss_domain_info *domain)
+{
+ return talloc_strdup(mem_ctx, data->name.name);
+}
+
+static errno_t
+cache_req_autofs_map_by_name_lookup(TALLOC_CTX *mem_ctx,
+ struct cache_req *cr,
+ struct cache_req_data *data,
+ struct sss_domain_info *domain,
+ struct ldb_result **_result)
+{
+ struct ldb_message *map;
+ struct ldb_result *result;
+ errno_t ret;
+
+ ret = sysdb_get_map_byname(mem_ctx, domain, data->name.name, &map);
+ if (ret != EOK) {
+ return ret;
+ }
+
+ result = cache_req_create_ldb_result_from_msg(mem_ctx, map);
+ if (result == NULL) {
+ talloc_free(map);
+ return ENOMEM;
+ }
+
+ *_result = talloc_steal(mem_ctx, result);
+ return EOK;
+}
+
+static struct tevent_req *
+cache_req_autofs_map_by_name_dp_send(TALLOC_CTX *mem_ctx,
+ struct cache_req *cr,
+ struct cache_req_data *data,
+ struct sss_domain_info *domain,
+ struct ldb_result *result)
+{
+ return sss_dp_get_autofs_send(mem_ctx, cr->rctx, domain, true,
+ SSS_DP_AUTOFS, data->name.name);
+}
+
+const struct cache_req_plugin cache_req_autofs_map_by_name = {
+ .name = "Get autofs map",
+ .attr_expiration = SYSDB_CACHE_EXPIRE,
+ .parse_name = true,
+ .ignore_default_domain = true,
+ .bypass_cache = false,
+ .only_one_result = false,
+ .search_all_domains = false,
+ .require_enumeration = false,
+ .allow_missing_fqn = true,
+ .allow_switch_to_upn = false,
+ .upn_equivalent = CACHE_REQ_SENTINEL,
+ .get_next_domain_flags = 0,
+
+ .is_well_known_fn = NULL,
+ .prepare_domain_data_fn = NULL,
+ .create_debug_name_fn = cache_req_autofs_map_by_name_create_debug_name,
+ .global_ncache_add_fn = NULL,
+ .ncache_check_fn = NULL,
+ .ncache_add_fn = NULL,
+ .ncache_filter_fn = NULL,
+ .lookup_fn = cache_req_autofs_map_by_name_lookup,
+ .dp_send_fn = cache_req_autofs_map_by_name_dp_send,
+ .dp_recv_fn = cache_req_common_dp_recv,
+ .dp_get_domain_check_fn = NULL,
+ .dp_get_domain_send_fn = NULL,
+ .dp_get_domain_recv_fn = NULL,
+};
+
+struct tevent_req *
+cache_req_autofs_map_by_name_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct resp_ctx *rctx,
+ struct sss_nc_ctx *ncache,
+ int cache_refresh_percent,
+ const char *domain,
+ const char *name)
+{
+ struct cache_req_data *data;
+
+ data = cache_req_data_name(mem_ctx, CACHE_REQ_AUTOFS_MAP_BY_NAME, name);
+ if (data == NULL) {
+ return NULL;
+ }
+
+ return cache_req_steal_data_and_send(mem_ctx, ev, rctx, ncache,
+ cache_refresh_percent,
+ CACHE_REQ_POSIX_DOM, domain,
+ data);
+}
diff --git a/src/tests/cwrap/Makefile.am b/src/tests/cwrap/Makefile.am
index dfaf3f770..3fbcebf3c 100644
--- a/src/tests/cwrap/Makefile.am
+++ b/src/tests/cwrap/Makefile.am
@@ -65,6 +65,7 @@ SSSD_CACHE_REQ_OBJ = \
../../../src/responder/common/cache_req/plugins/cache_req_netgroup_by_name.c \
../../../src/responder/common/cache_req/plugins/cache_req_host_by_name.c \
../../../src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c \
+ ../../../src/responder/common/cache_req/plugins/cache_req_autofs_map_by_name.c \
$(NULL)
SSSD_RESPONDER_IFACE_OBJ = \
--
2.20.1