From 01b7dc92180cf80080f657b80f72cec20eafa0e7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20B=C5=99ezina?= 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 --- 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 + + 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 . +*/ + +#include +#include + +#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