From 01b7dc92180cf80080f657b80f72cec20eafa0e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrezina@redhat.com>
Date: Tue, 13 Aug 2019 13:31:21 +0200
Subject: [PATCH 75/90] cache_req: add autofs map entries plugin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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 | 2 +
src/responder/common/cache_req/cache_req.h | 14 ++
.../common/cache_req/cache_req_data.c | 1 +
.../common/cache_req/cache_req_plugin.h | 1 +
.../plugins/cache_req_autofs_map_entries.c | 156 ++++++++++++++++++
src/tests/cwrap/Makefile.am | 1 +
7 files changed, 176 insertions(+)
create mode 100644 src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c
diff --git a/Makefile.am b/Makefile.am
index c109afe56..879f38311 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -559,6 +559,7 @@ SSSD_CACHE_REQ_OBJ = \
src/responder/common/cache_req/plugins/cache_req_svc_by_port.c \
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 \
$(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 28b563392..2ce9deca0 100644
--- a/src/responder/common/cache_req/cache_req.c
+++ b/src/responder/common/cache_req/cache_req.c
@@ -60,6 +60,8 @@ cache_req_get_plugin(enum cache_req_type type)
&cache_req_netgroup_by_name,
&cache_req_host_by_name,
+
+ &cache_req_autofs_map_entries,
};
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 84dd22c25..0c214a483 100644
--- a/src/responder/common/cache_req/cache_req.h
+++ b/src/responder/common/cache_req/cache_req.h
@@ -54,6 +54,8 @@ enum cache_req_type {
CACHE_REQ_HOST_BY_NAME,
+ CACHE_REQ_AUTOFS_MAP_ENTRIES,
+
CACHE_REQ_SENTINEL
};
@@ -430,4 +432,16 @@ cache_req_host_by_name_send(TALLOC_CTX *mem_ctx,
#define cache_req_host_by_name_recv(mem_ctx, req, _result) \
cache_req_single_domain_recv(mem_ctx, req, _result)
+struct tevent_req *
+cache_req_autofs_map_entries_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_entries_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 77959f9fe..20d73ebfd 100644
--- a/src/responder/common/cache_req/cache_req_data.c
+++ b/src/responder/common/cache_req/cache_req_data.c
@@ -93,6 +93,7 @@ cache_req_data_create(TALLOC_CTX *mem_ctx,
case CACHE_REQ_INITGROUPS_BY_UPN:
case CACHE_REQ_NETGROUP_BY_NAME:
case CACHE_REQ_OBJECT_BY_NAME:
+ case CACHE_REQ_AUTOFS_MAP_ENTRIES:
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 d547c9bf3..1071cd889 100644
--- a/src/responder/common/cache_req/cache_req_plugin.h
+++ b/src/responder/common/cache_req/cache_req_plugin.h
@@ -314,5 +314,6 @@ extern const struct cache_req_plugin cache_req_svc_by_name;
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;
#endif /* _CACHE_REQ_PLUGIN_H_ */
diff --git a/src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c b/src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c
new file mode 100644
index 000000000..73d2b3cf2
--- /dev/null
+++ b/src/responder/common/cache_req/plugins/cache_req_autofs_map_entries.c
@@ -0,0 +1,156 @@
+/*
+ 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_entries_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_entries_lookup(TALLOC_CTX *mem_ctx,
+ struct cache_req *cr,
+ struct cache_req_data *data,
+ struct sss_domain_info *domain,
+ struct ldb_result **_result)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_message *map;
+ struct ldb_message **mounts;
+ struct ldb_message **msgs;
+ struct ldb_result *result;
+ size_t count;
+ size_t i;
+ errno_t ret;
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ return ENOMEM;
+ }
+
+ ret = sysdb_get_map_byname(tmp_ctx, domain, data->name.name, &map);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = sysdb_autofs_entries_by_map(tmp_ctx, domain, data->name.name,
+ &count, &mounts);
+ if (ret != EOK && ret != ENOENT) {
+ goto done;
+ }
+
+ msgs = talloc_zero_array(tmp_ctx, struct ldb_message *, count + 1);
+ if (msgs == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ msgs[0] = talloc_steal(msgs, map);
+ for (i = 0; i < count; i++) {
+ msgs[i + 1] = talloc_steal(msgs, mounts[i]);
+ }
+
+ result = cache_req_create_ldb_result_from_msg_list(tmp_ctx, msgs, count + 1);
+ if (result == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ *_result = talloc_steal(mem_ctx, result);
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+
+ return ret;
+}
+
+static struct tevent_req *
+cache_req_autofs_map_entries_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_entries = {
+ .name = "Get autofs entries",
+ .attr_expiration = SYSDB_ENUM_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_entries_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_entries_lookup,
+ .dp_send_fn = cache_req_autofs_map_entries_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_entries_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_ENTRIES, 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 1edefc678..dfaf3f770 100644
--- a/src/tests/cwrap/Makefile.am
+++ b/src/tests/cwrap/Makefile.am
@@ -64,6 +64,7 @@ SSSD_CACHE_REQ_OBJ = \
../../../src/responder/common/cache_req/plugins/cache_req_svc_by_port.c \
../../../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 \
$(NULL)
SSSD_RESPONDER_IFACE_OBJ = \
--
2.20.1