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-rw-r--r--src/providers/ipa/ipa_hostid.c345
1 files changed, 345 insertions, 0 deletions
diff --git a/src/providers/ipa/ipa_hostid.c b/src/providers/ipa/ipa_hostid.c
new file mode 100644
index 000000000..873cc5296
--- /dev/null
+++ b/src/providers/ipa/ipa_hostid.c
@@ -0,0 +1,345 @@
+/*
+ Authors:
+ Jan Cholasta <jcholast@redhat.com>
+
+ Copyright (C) 2012 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 "util/util.h"
+#include "util/crypto/sss_crypto.h"
+#include "db/sysdb_ssh.h"
+#include "providers/ldap/ldap_common.h"
+#include "providers/ipa/ipa_common.h"
+#include "providers/ipa/ipa_hostid.h"
+#include "providers/ipa/ipa_hosts.h"
+
+struct hosts_get_state {
+ struct tevent_context *ev;
+ struct ipa_hostid_ctx *ctx;
+ struct sdap_id_op *op;
+ struct sysdb_ctx *sysdb;
+ struct sss_domain_info *domain;
+ const char *name;
+ const char **attrs;
+
+ size_t count;
+ struct sysdb_attrs **hosts;
+ int dp_error;
+};
+
+struct tevent_req *
+hosts_get_send(TALLOC_CTX *memctx,
+ struct tevent_context *ev,
+ struct ipa_hostid_ctx *hostid_ctx,
+ const char *name,
+ int attrs_type);
+static errno_t
+hosts_get_recv(struct tevent_req *req,
+ int *dp_error_out);
+
+static void
+ipa_host_info_hosts_done(struct tevent_req *req);
+
+void
+ipa_host_info_handler(struct be_req *breq)
+{
+ struct ipa_hostid_ctx *hostid_ctx;
+ struct sdap_id_ctx *ctx;
+ struct be_acct_req *ar;
+ struct tevent_req *req;
+ int dp_error = DP_ERR_FATAL;
+ errno_t ret = EOK;
+ const char *err = "Unknown Error";
+
+ hostid_ctx = talloc_get_type(breq->be_ctx->bet_info[BET_HOSTID].pvt_bet_data, struct ipa_hostid_ctx);
+ ctx = hostid_ctx->sdap_id_ctx;
+
+ if (be_is_offline(ctx->be)) {
+ dp_error = DP_ERR_OFFLINE;
+ ret = EAGAIN;
+ err = "Offline";
+ goto done;
+ }
+
+ ar = talloc_get_type(breq->req_data, struct be_acct_req);
+
+ if (ar->filter_type != BE_FILTER_NAME) {
+ ret = EINVAL;
+ err = "Invalid filter type";
+ goto done;
+ }
+
+ req = hosts_get_send(breq, breq->be_ctx->ev, hostid_ctx,
+ ar->filter_value,
+ ar->attr_type);
+ if (!req) {
+ ret = ENOMEM;
+ err = "Out of memory";
+ goto done;
+ }
+
+ tevent_req_set_callback(req, ipa_host_info_hosts_done, breq);
+
+ ret = EOK;
+
+done:
+ if (ret != EOK) return sdap_handler_done(breq, dp_error, ret, err);
+}
+
+static void
+ipa_host_info_complete(struct be_req *breq, int dp_error,
+ errno_t ret, const char *default_error_text)
+{
+ const char* error_text;
+
+ if (dp_error == DP_ERR_OK) {
+ if (ret == EOK) {
+ error_text = NULL;
+ } else {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Bug: dp_error is OK on failed request"));
+ dp_error = DP_ERR_FATAL;
+ error_text = default_error_text;
+ }
+ } else if (dp_error == DP_ERR_OFFLINE) {
+ error_text = "Offline";
+ } else if (dp_error == DP_ERR_FATAL && ret == ENOMEM) {
+ error_text = "Out of memory";
+ } else {
+ error_text = default_error_text;
+ }
+
+ sdap_handler_done(breq, dp_error, ret, error_text);
+}
+
+static void
+ipa_host_info_hosts_done(struct tevent_req *req)
+{
+ struct be_req *breq = tevent_req_callback_data(req, struct be_req);
+ int ret, dp_error;
+
+ ret = hosts_get_recv(req, &dp_error);
+ talloc_zfree(req);
+
+ ipa_host_info_complete(breq, dp_error, ret, "Host lookup failed");
+}
+
+static errno_t
+hosts_get_retry(struct tevent_req *req);
+static void
+hosts_get_connect_done(struct tevent_req *subreq);
+static void
+hosts_get_done(struct tevent_req *subreq);
+
+struct tevent_req *
+hosts_get_send(TALLOC_CTX *memctx,
+ struct tevent_context *ev,
+ struct ipa_hostid_ctx *hostid_ctx,
+ const char *name,
+ int attrs_type)
+{
+ struct tevent_req *req;
+ struct hosts_get_state *state;
+ struct sdap_id_ctx *ctx;
+ errno_t ret;
+
+ ctx = hostid_ctx->sdap_id_ctx;
+
+ req = tevent_req_create(memctx, &state, struct hosts_get_state);
+ if (!req) return NULL;
+
+ state->ev = ev;
+ state->ctx = hostid_ctx;
+ state->dp_error = DP_ERR_FATAL;
+
+ state->op = sdap_id_op_create(state, ctx->conn_cache);
+ if (!state->op) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sdap_id_op_create failed\n"));
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ state->sysdb = ctx->be->sysdb;
+ state->domain = ctx->be->domain;
+ state->name = name;
+
+ /* TODO: handle attrs_type */
+ ret = build_attrs_from_map(state, ctx->opts->host_map,
+ IPA_OPTS_HOST, &state->attrs);
+ if (ret != EOK) goto fail;
+
+ ret = hosts_get_retry(req);
+ if (ret != EOK) {
+ goto fail;
+ }
+
+ return req;
+
+fail:
+ tevent_req_error(req, ret);
+ tevent_req_post(req, ev);
+ return req;
+}
+
+static errno_t
+hosts_get_retry(struct tevent_req *req)
+{
+ struct hosts_get_state *state = tevent_req_data(req,
+ struct hosts_get_state);
+ struct tevent_req *subreq;
+ errno_t ret = EOK;
+
+ subreq = sdap_id_op_connect_send(state->op, state, &ret);
+ if (!subreq) {
+ return ret;
+ }
+
+ tevent_req_set_callback(subreq, hosts_get_connect_done, req);
+ return EOK;
+}
+
+static void
+hosts_get_connect_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct hosts_get_state *state = tevent_req_data(req,
+ struct hosts_get_state);
+ int dp_error = DP_ERR_FATAL;
+ errno_t ret;
+ struct sdap_id_ctx *ctx = state->ctx->sdap_id_ctx;
+
+ 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 = ipa_host_info_send(state, state->ev, state->sysdb,
+ sdap_id_op_handle(state->op),
+ ctx->opts, state->name,
+ state->attrs, ctx->opts->host_map,
+ IPA_OPTS_HOST, false,
+ state->ctx->host_search_bases);
+ if (!subreq) {
+ tevent_req_error(req, ENOMEM);
+ return;
+ }
+ tevent_req_set_callback(subreq, hosts_get_done, req);
+}
+
+static void
+hosts_get_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct hosts_get_state *state = tevent_req_data(req,
+ struct hosts_get_state);
+ int dp_error = DP_ERR_FATAL;
+ errno_t ret;
+ bool in_transaction = false;
+
+ ret = ipa_host_info_recv(subreq, state,
+ &state->count, &state->hosts,
+ NULL, NULL);
+ talloc_zfree(subreq);
+
+ ret = sdap_id_op_done(state->op, ret, &dp_error);
+ if (dp_error == DP_ERR_OK && ret != EOK) {
+ /* retry */
+ ret = hosts_get_retry(req);
+ if (ret != EOK) {
+ goto done;
+ }
+ return;
+ }
+
+ if (ret != EOK && ret != ENOENT) {
+ goto done;
+ }
+
+ ret = sysdb_transaction_start(state->sysdb);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Failed to start update transaction\n"));
+ goto done;
+ }
+
+ in_transaction = true;
+
+ ret = sysdb_delete_ssh_host(state->sysdb, state->name);
+ if (ret != EOK && ret != ENOENT) {
+ goto done;
+ }
+
+ if (state->count == 0) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("No host with name [%s] found.\n", state->name));
+ ret = EINVAL;
+ goto done;
+ }
+
+ if (state->count > 1) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Found more than one host with name [%s].\n", state->name));
+ ret = EINVAL;
+ goto done;
+ }
+
+ ret = sysdb_save_ssh_host(state->sysdb,
+ state->name, state->hosts[0]);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = sysdb_transaction_commit(state->sysdb);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ in_transaction = false;
+ dp_error = DP_ERR_OK;
+
+done:
+ state->dp_error = dp_error;
+ if (ret == EOK) {
+ tevent_req_done(req);
+ } else {
+ if (in_transaction) {
+ sysdb_transaction_cancel(state->sysdb);
+ }
+ tevent_req_error(req, ret);
+ }
+}
+
+static errno_t
+hosts_get_recv(struct tevent_req *req,
+ int *dp_error_out)
+{
+ struct hosts_get_state *state = tevent_req_data(req,
+ struct hosts_get_state);
+
+ if (dp_error_out) {
+ *dp_error_out = state->dp_error;
+ }
+
+ TEVENT_REQ_RETURN_ON_ERROR(req);
+
+ return EOK;
+}
generated by cgit (git 2.34.1) at 2024-04-26 10:25:29 +0000