diff options
Diffstat (limited to 'src/providers/ldap/ldap_id_netgroup.c')
-rw-r--r-- | src/providers/ldap/ldap_id_netgroup.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/providers/ldap/ldap_id_netgroup.c b/src/providers/ldap/ldap_id_netgroup.c new file mode 100644 index 00000000..c82ccc43 --- /dev/null +++ b/src/providers/ldap/ldap_id_netgroup.c @@ -0,0 +1,224 @@ +/* + SSSD + + LDAP Identity Backend Module - Netgroup support + + Authors: + Sumit Bose <sbose@redhat.com> + + Copyright (C) 2010 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 <errno.h> + +#include "util/util.h" +#include "db/sysdb.h" +#include "providers/ldap/ldap_common.h" +#include "providers/ldap/sdap_async.h" + + +struct netgroup_get_state { + struct tevent_context *ev; + struct sdap_id_ctx *ctx; + struct sdap_id_op *op; + struct sysdb_ctx *sysdb; + struct sss_domain_info *domain; + + const char *name; + + char *filter; + const char **attrs; + + size_t count; + struct sysdb_attrs **netgroups; + + int dp_error; +}; + +static int netgroup_get_retry(struct tevent_req *req); +static void netgroup_get_connect_done(struct tevent_req *subreq); +static void netgroup_get_done(struct tevent_req *subreq); + +struct tevent_req *netgroup_get_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_id_ctx *ctx, + const char *name) +{ + struct tevent_req *req; + struct netgroup_get_state *state; + int ret; + + req = tevent_req_create(memctx, &state, struct netgroup_get_state); + if (!req) return NULL; + + state->ev = ev; + state->ctx = ctx; + state->dp_error = DP_ERR_FATAL; + + state->op = sdap_id_op_create(state, state->ctx->conn_cache); + if (!state->op) { + DEBUG(2, ("sdap_id_op_create failed\n")); + ret = ENOMEM; + goto fail; + } + + state->sysdb = ctx->be->sysdb; + state->domain = state->ctx->be->domain; + state->name = name; + + state->filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s))", + ctx->opts->netgroup_map[SDAP_AT_NETGROUP_NAME].name, + name, + ctx->opts->netgroup_map[SDAP_OC_NETGROUP].name); + if (!state->filter) { + DEBUG(2, ("Failed to build filter\n")); + ret = ENOMEM; + goto fail; + } + + ret = build_attrs_from_map(state, ctx->opts->netgroup_map, + SDAP_OPTS_NETGROUP, &state->attrs); + if (ret != EOK) goto fail; + + ret = netgroup_get_retry(req); + if (ret != EOK) { + goto fail; + } + + return req; + +fail: + tevent_req_error(req, ret); + tevent_req_post(req, ev); + return req; +} + +static int netgroup_get_retry(struct tevent_req *req) +{ + struct netgroup_get_state *state = tevent_req_data(req, + struct netgroup_get_state); + struct tevent_req *subreq; + int ret = EOK; + + subreq = sdap_id_op_connect_send(state->op, state, &ret); + if (!subreq) { + return ret; + } + + tevent_req_set_callback(subreq, netgroup_get_connect_done, req); + return EOK; +} + +static void netgroup_get_connect_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct netgroup_get_state *state = tevent_req_data(req, + struct netgroup_get_state); + int dp_error = DP_ERR_FATAL; + int ret; + + ret = sdap_id_op_connect_recv(subreq, &dp_error); + talloc_zfree(subreq); + + if (ret != EOK) { + state->dp_error = dp_error; + tevent_req_error(req, ret); + return; + } + + subreq = sdap_get_netgroups_send(state, state->ev, + state->domain, state->sysdb, + state->ctx->opts, + sdap_id_op_handle(state->op), + state->attrs, state->filter); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, netgroup_get_done, req); + + return; +} + +static void netgroup_get_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct netgroup_get_state *state = tevent_req_data(req, + struct netgroup_get_state); + int dp_error = DP_ERR_FATAL; + int ret; + + ret = sdap_get_netgroups_recv(subreq, state, NULL, &state->count, + &state->netgroups); + talloc_zfree(subreq); + ret = sdap_id_op_done(state->op, ret, &dp_error); + + if (dp_error == DP_ERR_OK && ret != EOK) { + /* retry */ + ret = netgroup_get_retry(req); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + return; + } + + if (ret && ret != ENOENT) { + state->dp_error = dp_error; + tevent_req_error(req, ret); + return; + } + + if (ret == EOK && state->count > 1) { + DEBUG(1, ("Found more than one netgroup with the name [%s].\n", + state->name)); + tevent_req_error(req, EINVAL); + return; + } + + if (ret == ENOENT) { + ret = sysdb_delete_netgroup(state->sysdb, state->domain, state->name); + if (ret) { + tevent_req_error(req, ret); + return; + } + + state->dp_error = DP_ERR_OK; + tevent_req_error(req, ENOENT); + return; + } + + state->dp_error = DP_ERR_OK; + tevent_req_done(req); + return; +} + +int netgroup_get_recv(struct tevent_req *req, int *dp_error_out) +{ + struct netgroup_get_state *state = tevent_req_data(req, + struct netgroup_get_state); + + if (dp_error_out) { + *dp_error_out = state->dp_error; + } + + TEVENT_REQ_RETURN_ON_ERROR(req); + + return EOK; +} |