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-rw-r--r--server/providers/data_provider.c1016
1 files changed, 0 insertions, 1016 deletions
diff --git a/server/providers/data_provider.c b/server/providers/data_provider.c
deleted file mode 100644
index 70b7cd3f..00000000
--- a/server/providers/data_provider.c
+++ /dev/null
@@ -1,1016 +0,0 @@
-/*
- SSSD
-
- Data Provider
-
- Copyright (C) Simo Sorce <ssorce@redhat.com> 2008
-
- 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 <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <string.h>
-#include <sys/time.h>
-#include <errno.h>
-#include <security/pam_modules.h>
-
-#include "popt.h"
-#include "util/util.h"
-#include "confdb/confdb.h"
-#include "dbus/dbus.h"
-#include "sbus/sssd_dbus.h"
-#include "data_provider.h"
-#include "dp_interfaces.h"
-#include "monitor/monitor_interfaces.h"
-
-struct dp_backend;
-struct dp_frontend;
-
-struct dp_ctx {
- struct tevent_context *ev;
- struct confdb_ctx *cdb;
- struct sbus_connection *sbus_srv;
- struct dp_backend *be_list;
- struct dp_frontend *fe_list;
-};
-
-struct dp_client {
- struct dp_ctx *dpctx;
- struct sbus_connection *conn;
- struct tevent_timer *timeout;
- bool initialized;
-};
-
-struct dp_backend {
- struct dp_backend *prev;
- struct dp_backend *next;
- char *domain;
- struct dp_client *dpcli;
-};
-
-struct dp_frontend {
- struct dp_frontend *prev;
- struct dp_frontend *next;
- char *name;
- uint16_t flags;
- struct dp_client *dpcli;
-};
-
-static int dp_backend_destructor(void *ctx);
-static int dp_frontend_destructor(void *ctx);
-
-static int service_reload(DBusMessage *message, struct sbus_connection *conn);
-
-struct sbus_method monitor_dp_methods[] = {
- { MON_CLI_METHOD_PING, monitor_common_pong },
- { MON_CLI_METHOD_RELOAD, service_reload },
- { MON_CLI_METHOD_RES_INIT, monitor_common_res_init },
- { NULL, NULL }
-};
-
-struct sbus_interface monitor_dp_interface = {
- MONITOR_INTERFACE,
- MONITOR_PATH,
- SBUS_DEFAULT_VTABLE,
- monitor_dp_methods,
- NULL
-};
-
-static int client_registration(DBusMessage *message,
- struct sbus_connection *conn);
-static int dp_get_account_info(DBusMessage *message,
- struct sbus_connection *conn);
-static int dp_pamhandler(DBusMessage *message, struct sbus_connection *conn);
-
-struct sbus_method dp_methods[] = {
- { DP_SRV_METHOD_REGISTER, client_registration },
- { DP_SRV_METHOD_GETACCTINFO, dp_get_account_info },
- { DP_SRV_METHOD_PAMHANDLER, dp_pamhandler },
- { NULL, NULL }
-};
-
-struct sbus_interface dp_interface = {
- DP_SRV_INTERFACE,
- DP_SRV_PATH,
- SBUS_DEFAULT_VTABLE,
- dp_methods,
- NULL
-};
-
-struct dp_request {
- /* reply message to send when request is done */
- DBusMessage *reply;
- /* frontend client that made the request */
- struct dp_client *src_cli;
-
- int pending_replies;
-};
-
-struct dp_be_request {
- struct dp_request *req;
- struct dp_backend *be;
-};
-
-static int service_reload(DBusMessage *message, struct sbus_connection *conn)
-{
- /* Monitor calls this function when we need to reload
- * our configuration information. Perform whatever steps
- * are needed to update the configuration objects.
- */
-
- /* Send an empty reply to acknowledge receipt */
- return monitor_common_pong(message, conn);
-}
-
-static int dp_monitor_init(struct dp_ctx *dpctx)
-{
- struct sbus_connection *conn;
- char *sbus_address;
- int ret;
-
- /* Set up SBUS connection to the monitor */
- ret = monitor_get_sbus_address(dpctx, &sbus_address);
- if (ret != EOK) {
- DEBUG(0, ("Could not locate monitor address.\n"));
- return ret;
- }
-
- ret = sbus_client_init(dpctx, dpctx->ev, sbus_address,
- &monitor_dp_interface, &conn,
- NULL, NULL);
- if (ret != EOK) {
- DEBUG(0, ("Failed to connect to monitor services.\n"));
- return ret;
- }
-
- /* Identify ourselves to the monitor */
- ret = monitor_common_send_id(conn,
- DATA_PROVIDER_SERVICE_NAME,
- DATA_PROVIDER_VERSION);
- if (ret != EOK) {
- DEBUG(0, ("Failed to identify to the monitor!\n"));
- return ret;
- }
-
- return EOK;
-}
-
-static void init_timeout(struct tevent_context *ev,
- struct tevent_timer *te,
- struct timeval t, void *ptr)
-{
- struct dp_client *dpcli;
-
- DEBUG(2, ("Client timed out before Identification [%p]!\n", te));
-
- dpcli = talloc_get_type(ptr, struct dp_client);
-
- sbus_disconnect(dpcli->conn);
- talloc_zfree(dpcli);
-}
-
-static int dp_client_init(struct sbus_connection *conn, void *data)
-{
- struct dp_ctx *dpctx;
- struct dp_client *dpcli;
- struct timeval tv;
-
- dpctx = talloc_get_type(data, struct dp_ctx);
-
- /* hang off this memory to the connection so that when the connection
- * is freed we can potentially call a destructor */
-
- dpcli = talloc(conn, struct dp_client);
- if (!dpcli) {
- DEBUG(0,("Out of memory?!\n"));
- talloc_zfree(conn);
- return ENOMEM;
- }
- dpcli->dpctx = dpctx;
- dpcli->conn = conn;
- dpcli->initialized = false;
-
- /* 5 seconds should be plenty */
- tv = tevent_timeval_current_ofs(5, 0);
-
- dpcli->timeout = tevent_add_timer(dpctx->ev, dpcli,
- tv, init_timeout, dpcli);
- if (!dpcli->timeout) {
- DEBUG(0,("Out of memory?!\n"));
- talloc_zfree(conn);
- return ENOMEM;
- }
- DEBUG(4, ("Set-up DP ID timeout [%p]\n", dpcli->timeout));
-
- /* Attach the client context to the connection context, so that it is
- * always available when we need to manage the connection. */
- sbus_conn_set_private_data(conn, dpcli);
-
- return EOK;
-}
-
-static int client_registration(DBusMessage *message,
- struct sbus_connection *conn)
-{
- dbus_uint16_t version = DATA_PROVIDER_VERSION;
- struct dp_backend *dpbe;
- struct dp_frontend *dpfe;
- struct dp_client *dpcli;
- DBusMessage *reply;
- DBusError dbus_error;
- dbus_uint16_t cli_ver;
- dbus_uint16_t cli_type;
- char *cli_name;
- char *cli_domain;
- dbus_bool_t dbret;
- void *data;
-
- data = sbus_conn_get_private_data(conn);
- dpcli = talloc_get_type(data, struct dp_client);
- if (!dpcli) {
- DEBUG(0, ("Connection holds no valid init data\n"));
- return EINVAL;
- }
-
- /* First thing, cancel the timeout */
- DEBUG(4, ("Cancel DP ID timeout [%p]\n", dpcli->timeout));
- talloc_zfree(dpcli->timeout);
-
- dbus_error_init(&dbus_error);
-
- dbret = dbus_message_get_args(message, &dbus_error,
- DBUS_TYPE_UINT16, &cli_type,
- DBUS_TYPE_UINT16, &cli_ver,
- DBUS_TYPE_STRING, &cli_name,
- DBUS_TYPE_STRING, &cli_domain,
- DBUS_TYPE_INVALID);
- if (!dbret) {
- DEBUG(1, ("Failed to parse message, killing connection\n"));
- if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
- sbus_disconnect(conn);
- /* FIXME: should we just talloc_zfree(conn) ? */
- return EIO;
- }
-
- switch (cli_type & DP_CLI_TYPE_MASK) {
- case DP_CLI_BACKEND:
- dpbe = talloc_zero(dpcli->dpctx, struct dp_backend);
- if (!dpbe) {
- DEBUG(0, ("Out of memory!\n"));
- sbus_disconnect(conn);
- return ENOMEM;
- }
-
- dpbe->domain = talloc_strdup(dpbe, cli_domain);
- if (!dpbe->domain) {
- DEBUG(0, ("Out of memory!\n"));
- sbus_disconnect(conn);
- return ENOMEM;
- }
-
- dpbe->dpcli = dpcli;
-
- DLIST_ADD(dpcli->dpctx->be_list, dpbe);
-
- DEBUG(4, ("Added Backend client for domain [%s]\n", dpbe->domain));
-
- talloc_set_destructor((TALLOC_CTX *)dpbe, dp_backend_destructor);
- break;
-
- case DP_CLI_FRONTEND:
- dpfe = talloc_zero(dpcli->dpctx, struct dp_frontend);
- if (!dpfe) {
- DEBUG(0, ("Out of memory!\n"));
- sbus_disconnect(conn);
- return ENOMEM;
- }
-
- dpfe->name = talloc_strdup(dpfe, cli_name);
- if (!dpfe->name) {
- DEBUG(0, ("Out of memory!\n"));
- sbus_disconnect(conn);
- return ENOMEM;
- }
-
- dpfe->dpcli = dpcli;
-
- DLIST_ADD(dpcli->dpctx->fe_list, dpfe);
-
- DEBUG(4, ("Added Frontend client [%s]\n", dpfe->name));
-
- talloc_set_destructor((TALLOC_CTX *)dpfe, dp_frontend_destructor);
- break;
-
- default:
- DEBUG(1, ("Unknown client type, killing connection\n"));
- sbus_disconnect(conn);
- return EIO;
- }
-
- /* reply that all is ok */
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- DEBUG(0, ("Dbus Out of memory!\n"));
- return ENOMEM;
- }
-
- dbret = dbus_message_append_args(reply,
- DBUS_TYPE_UINT16, &version,
- DBUS_TYPE_INVALID);
- if (!dbret) {
- DEBUG(0, ("Failed to build dbus reply\n"));
- dbus_message_unref(reply);
- sbus_disconnect(conn);
- return EIO;
- }
-
- /* send reply back */
- sbus_conn_send_reply(conn, reply);
- dbus_message_unref(reply);
-
- dpcli->initialized = true;
- return EOK;
-}
-
-static void be_got_account_info(DBusPendingCall *pending, void *data)
-{
- struct dp_be_request *bereq;
- DBusMessage *reply;
- DBusConnection *dbus_conn;
- DBusError dbus_error;
- dbus_uint16_t err_maj = 0;
- dbus_uint32_t err_min = 0;
- const char *err_msg;
- dbus_bool_t ret;
- int type;
-
- bereq = talloc_get_type(data, struct dp_be_request);
- dbus_error_init(&dbus_error);
-
- reply = dbus_pending_call_steal_reply(pending);
- if (!reply) {
- /* reply should never be null. This function shouldn't be called
- * until reply is valid or timeout has occurred. If reply is NULL
- * here, something is seriously wrong and we should bail out.
- */
- DEBUG(0, ("Severe error. A reply callback was called but no reply was received and no timeout occurred\n"));
-
- /* Destroy this connection */
- sbus_disconnect(bereq->be->dpcli->conn);
- goto done;
- }
-
- type = dbus_message_get_type(reply);
- switch (type) {
- case DBUS_MESSAGE_TYPE_METHOD_RETURN:
- ret = dbus_message_get_args(reply, &dbus_error,
- DBUS_TYPE_UINT16, &err_maj,
- DBUS_TYPE_UINT32, &err_min,
- DBUS_TYPE_STRING, &err_msg,
- DBUS_TYPE_INVALID);
- if (!ret) {
- DEBUG(1,("Failed to parse message, killing connection\n"));
- if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
- sbus_disconnect(bereq->be->dpcli->conn);
- goto done;
- }
-
- DEBUG(4, ("Got reply (%u, %u, %s) from (%s)\n",
- (unsigned int)err_maj, (unsigned int)err_min, err_msg,
- bereq->be->domain));
-
- break;
-
- case DBUS_MESSAGE_TYPE_ERROR:
- DEBUG(0,("The Data Provider returned an error [%s], closing connection.\n",
- dbus_message_get_error_name(reply)));
- /* Falling through to default intentionally*/
- default:
- /*
- * Timeout or other error occurred or something
- * unexpected happened.
- * It doesn't matter which, because either way we
- * know that this connection isn't trustworthy.
- * We'll destroy it now.
- */
- sbus_disconnect(bereq->be->dpcli->conn);
- }
-
- if (err_maj) {
- DEBUG(1, ("Backend returned an error: %d,%d(%s),%s\n",
- err_maj, err_min, strerror(err_min), err_msg));
- /* TODO: handle errors !! */
- }
-
- if (bereq->req->pending_replies > 1) {
- bereq->req->pending_replies--;
- talloc_free(bereq);
- } else {
- dbus_conn = sbus_get_connection(bereq->req->src_cli->conn);
- err_maj = 0;
- err_min = 0;
- err_msg = "Success";
- ret = dbus_message_append_args(bereq->req->reply,
- DBUS_TYPE_UINT16, &err_maj,
- DBUS_TYPE_UINT32, &err_min,
- DBUS_TYPE_STRING, &err_msg,
- DBUS_TYPE_INVALID);
- if (!ret) {
- DEBUG(1, ("Failed to build reply ... frontend will wait for timeout ...\n"));
- talloc_free(bereq->req);
- goto done;
- }
-
- /* finally send it */
- dbus_connection_send(dbus_conn, bereq->req->reply, NULL);
- dbus_message_unref(bereq->req->reply);
- talloc_free(bereq->req);
- }
-
-done:
- dbus_pending_call_unref(pending);
- dbus_message_unref(reply);
-}
-
-static int dp_send_acct_req(struct dp_be_request *bereq,
- uint32_t type, char *attrs, char *filter)
-{
- DBusMessage *msg;
- DBusPendingCall *pending_reply;
- DBusConnection *dbus_conn;
- dbus_bool_t ret;
-
- dbus_conn = sbus_get_connection(bereq->be->dpcli->conn);
-
- /* create the message */
- msg = dbus_message_new_method_call(NULL,
- DP_CLI_PATH,
- DP_CLI_INTERFACE,
- DP_CLI_METHOD_GETACCTINFO);
- if (msg == NULL) {
- DEBUG(0,("Out of memory?!\n"));
- return ENOMEM;
- }
-
- DEBUG(4, ("Sending request for [%u][%s][%s]\n", type, attrs, filter));
-
- ret = dbus_message_append_args(msg,
- DBUS_TYPE_UINT32, &type,
- DBUS_TYPE_STRING, &attrs,
- DBUS_TYPE_STRING, &filter,
- DBUS_TYPE_INVALID);
- if (!ret) {
- DEBUG(1,("Failed to build message\n"));
- return EIO;
- }
-
- ret = dbus_connection_send_with_reply(dbus_conn, msg, &pending_reply,
- 600000 /* TODO: set timeout */);
- if (!ret || pending_reply == NULL) {
- /*
- * Critical Failure
- * We can't communicate on this connection
- * We'll drop it using the default destructor.
- */
- DEBUG(0, ("D-BUS send failed.\n"));
- dbus_message_unref(msg);
- return EIO;
- }
-
- /* Set up the reply handler */
- dbus_pending_call_set_notify(pending_reply, be_got_account_info,
- bereq, NULL);
- dbus_message_unref(msg);
-
- return EOK;
-}
-
-static int dp_get_account_info(DBusMessage *message, struct sbus_connection *conn)
-{
- struct dp_client *dpcli;
- struct dp_be_request *bereq;
- struct dp_request *dpreq = NULL;
- struct dp_backend *dpbe;
- DBusMessage *reply;
- DBusError dbus_error;
- dbus_bool_t dbret;
- void *user_data;
- uint32_t type;
- char *domain, *attrs, *filter;
- const char *errmsg = NULL;
- int dpret = 0, ret = 0;
-
- user_data = sbus_conn_get_private_data(conn);
- if (!user_data) return EINVAL;
- dpcli = talloc_get_type(user_data, struct dp_client);
- if (!dpcli) return EINVAL;
-
- dbus_error_init(&dbus_error);
-
- ret = dbus_message_get_args(message, &dbus_error,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &type,
- DBUS_TYPE_STRING, &attrs,
- DBUS_TYPE_STRING, &filter,
- DBUS_TYPE_INVALID);
- if (!ret) {
- DEBUG(1,("Failed, to parse message!\n"));
- if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
- return EIO;
- }
-
- DEBUG(4, ("Got request for [%s][%u][%s][%s]\n",
- domain, type, attrs, filter));
-
- reply = dbus_message_new_method_return(message);
- if (!reply) return ENOMEM;
-
- /* search for domain */
- if (!domain) {
- dpret = DP_ERR_FATAL;
- errmsg = "Invalid Domain";
- ret = EINVAL;
- goto respond;
- }
-
- /* all domains, fire off a request for each backend */
- if (strcmp(domain, "*") == 0) {
- dpreq = talloc(dpcli->dpctx, struct dp_request);
- if (!dpreq) {
- dpret = DP_ERR_FATAL;
- errmsg = "Out of memory";
- ret = ENOMEM;
- goto respond;
- }
-
- dpreq->reply = reply;
- dpreq->src_cli = dpcli;
- dpreq->pending_replies = 0;
-
- /* now fire off requests */
- dpbe = dpcli->dpctx->be_list;
- while (dpbe) {
- bereq = talloc(dpreq, struct dp_be_request);
- if (!bereq) {
- DEBUG(1, ("Out of memory while sending requests\n"));
- dpbe = dpbe->next;
- continue;
- }
- bereq->req = dpreq;
- bereq->be = dpbe;
- DEBUG(4, ("Sending wildcard request to [%s]\n", dpbe->domain));
- ret = dp_send_acct_req(bereq, type, attrs, filter);
- if (ret != EOK) {
- DEBUG(2,("Failed to dispatch request to %s\n", dpbe->domain));
- dpbe = dpbe->next;
- continue;
- }
- dpreq->pending_replies++;
- dpbe = dpbe->next;
- }
-
- if (dpreq->pending_replies == 0) {
- dpret = DP_ERR_FATAL;
- errmsg = "Unable to contact backends";
- ret = EIO;
- talloc_free(dpreq);
- goto respond;
- }
-
- return EOK;
- }
-
- dpbe = dpcli->dpctx->be_list;
- while (dpbe) {
- if (strcasecmp(dpbe->domain, domain) == 0) {
- break;
- }
-
- dpbe = dpbe->next;
- }
-
- if (dpbe) {
- dpreq = talloc(dpcli->dpctx, struct dp_request);
- if (!dpreq) {
- DEBUG(1, ("Out of memory while sending request\n"));
- dpret = DP_ERR_FATAL;
- errmsg = "Out of memory";
- ret = ENOMEM;
- goto respond;
- }
-
- dpreq->reply = reply;
- dpreq->src_cli = dpcli;
- dpreq->pending_replies = 1;
-
- bereq = talloc(dpreq, struct dp_be_request);
- if (!bereq) {
- DEBUG(1, ("Out of memory while sending request\n"));
- dpret = DP_ERR_FATAL;
- errmsg = "Out of memory";
- ret = ENOMEM;
- talloc_free(dpreq);
- goto respond;
- }
- bereq->req = dpreq;
- bereq->be = dpbe;
-
- ret = dp_send_acct_req(bereq, type, attrs, filter);
- if (ret != EOK) {
- DEBUG(2,("Failed to dispatch request to %s\n", dpbe->domain));
- dpret = DP_ERR_FATAL;
- errmsg = "Dispatch Failed";
- talloc_free(dpreq);
- goto respond;
- }
-
- } else {
-
- dpret = DP_ERR_FATAL;
- errmsg = "Invalid Domain";
- ret = EINVAL;
- goto respond;
- }
-
- return EOK;
-
-respond:
- dbret = dbus_message_append_args(reply,
- DBUS_TYPE_UINT16, &dpret,
- DBUS_TYPE_UINT32, &ret,
- DBUS_TYPE_STRING, &errmsg,
- DBUS_TYPE_INVALID);
- if (!dbret) return EIO;
-
- /* send reply back immediately */
- sbus_conn_send_reply(conn, reply);
- dbus_message_unref(reply);
-
- return EOK;
-}
-
-static void be_got_pam_reply(DBusPendingCall *pending, void *data)
-{
- struct dp_be_request *bereq;
- DBusMessage *reply;
- DBusConnection *dbus_conn;
- DBusError dbus_error;
- dbus_bool_t ret;
- struct pam_data *pd = NULL;
- int type;
-
- bereq = talloc_get_type(data, struct dp_be_request);
- dbus_error_init(&dbus_error);
-
- reply = dbus_pending_call_steal_reply(pending);
- if (!reply) {
- /* reply should never be null. This function shouldn't be called
- * until reply is valid or timeout has occurred. If reply is NULL
- * here, something is seriously wrong and we should bail out.
- */
- DEBUG(0, ("Severe error. A reply callback was called but no reply was received and no timeout occurred\n"));
-
- /* Destroy this connection */
- sbus_disconnect(bereq->be->dpcli->conn);
- goto done;
- }
-
- pd = talloc_zero(bereq, struct pam_data);
- type = dbus_message_get_type(reply);
- switch (type) {
- case DBUS_MESSAGE_TYPE_METHOD_RETURN:
- ret = dp_unpack_pam_response(reply, pd, &dbus_error);
- if (!ret) {
- DEBUG(1,("Failed to parse message, killing connection\n"));
- if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
- sbus_disconnect(bereq->be->dpcli->conn);
- pd->pam_status = PAM_SYSTEM_ERR;
- pd->domain = talloc_strdup(pd, "");
- goto done;
- }
-
- DEBUG(4, ("Got reply (%d, %s) from (%s)\n", pd->pam_status, pd->domain,
- bereq->be->domain));
-
- break;
-
- case DBUS_MESSAGE_TYPE_ERROR:
- DEBUG(0,("The Data Provider returned an error [%s], closing connection.\n",
- dbus_message_get_error_name(reply)));
- /* Falling through to default intentionally*/
- default:
- /*
- * Timeout or other error occurred or something
- * unexpected happened.
- * It doesn't matter which, because either way we
- * know that this connection isn't trustworthy.
- * We'll destroy it now.
- */
- DEBUG(1,("Maybe timeout?\n"));
- sbus_disconnect(bereq->be->dpcli->conn);
- goto done;
- }
-
- dbus_conn = sbus_get_connection(bereq->req->src_cli->conn);
-
- ret = dp_pack_pam_response(bereq->req->reply, pd);
- if (!ret) {
- DEBUG(1, ("Failed to build reply ... frontend will wait for timeout ...\n"));
- talloc_free(bereq->req);
- goto done;
- }
-
- /* finally send it */
- dbus_connection_send(dbus_conn, bereq->req->reply, NULL);
- dbus_message_unref(bereq->req->reply);
- talloc_free(bereq->req);
-
-done:
- dbus_pending_call_unref(pending);
- dbus_message_unref(reply);
-}
-
-static int dp_call_pamhandler(struct dp_be_request *bereq, struct pam_data *pd)
-{
- DBusMessage *msg;
- DBusPendingCall *pending_reply;
- DBusConnection *dbus_conn;
- dbus_bool_t ret;
-
- dbus_conn = sbus_get_connection(bereq->be->dpcli->conn);
-
- /* create the message */
- msg = dbus_message_new_method_call(NULL,
- DP_CLI_PATH,
- DP_CLI_INTERFACE,
- DP_CLI_METHOD_PAMHANDLER);
- if (msg == NULL) {
- DEBUG(0,("Out of memory?!\n"));
- return ENOMEM;
- }
-
- DEBUG(4, ("Sending request with to following data\n"));
- DEBUG_PAM_DATA(4, pd);
-
- ret = dp_pack_pam_request(msg, pd);
- if (!ret) {
- DEBUG(1,("Failed to build message\n"));
- return EIO;
- }
-
- ret = dbus_connection_send_with_reply(dbus_conn, msg, &pending_reply,
- 600000 /* TODO: set timeout */);
- if (!ret || pending_reply == NULL) {
- /*
- * Critical Failure
- * We can't communicate on this connection
- * We'll drop it using the default destructor.
- */
- DEBUG(0, ("D-BUS send failed.\n"));
- dbus_message_unref(msg);
- return EIO;
- }
-
- /* Set up the reply handler */
- dbus_pending_call_set_notify(pending_reply, be_got_pam_reply,
- bereq, NULL);
- dbus_message_unref(msg);
-
- return EOK;
-}
-
-static int dp_pamhandler(DBusMessage *message, struct sbus_connection *conn)
-{
- DBusMessage *reply;
- DBusError dbus_error;
- struct dp_client *dpcli;
- struct dp_backend *dpbe;
- struct dp_be_request *bereq;
- struct dp_request *dpreq = NULL;
- dbus_bool_t dbret;
- void *user_data;
- int ret;
- struct pam_data *pd;
- int pam_status=PAM_SUCCESS;
- int domain_found=0;
-
- user_data = sbus_conn_get_private_data(conn);
- if (!user_data) return EINVAL;
- dpcli = talloc_get_type(user_data, struct dp_client);
- if (!dpcli) return EINVAL;
-
-/* FIXME: free arrays returned by dbus_message_get_args() */
- pd = talloc(NULL, struct pam_data);
- if (!pd) return ENOMEM;
-
- dbus_error_init(&dbus_error);
-
- ret = dp_unpack_pam_request(message, pd, &dbus_error);
- if (!ret) {
- DEBUG(0,("Failed, to parse message!\n"));
- if (dbus_error_is_set(&dbus_error)) dbus_error_free(&dbus_error);
- talloc_free(pd);
- return EIO;
- }
-
- DEBUG(4, ("Got the following data:\n"));
- DEBUG_PAM_DATA(4, pd);
-
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- DEBUG(0,("Out of memory?!\n"));
- talloc_free(pd);
- return ENOMEM;
- }
-
- dpreq = talloc(dpcli->dpctx, struct dp_request);
- if (!dpreq) {
- ret = ENOMEM;
- pam_status = PAM_ABORT;
- goto respond;
- }
-
- dpreq->reply = reply;
- dpreq->src_cli = dpcli;
- dpreq->pending_replies = 0;
- /* FIXME: add handling of default domain */
- dpbe = dpcli->dpctx->be_list;
- while (dpbe) {
- DEBUG(4, ("Checking [%s][%s]\n", pd->domain, dpbe->domain));
- if (strcasecmp(dpbe->domain, pd->domain) == 0 ) {
- domain_found=1;
- bereq = talloc(dpreq, struct dp_be_request);
- if (!bereq) {
- DEBUG(1, ("Out of memory while sending requests\n"));
- dpbe = dpbe->next;
- continue;
- }
- bereq->req = dpreq;
- bereq->be = dpbe;
- DEBUG(4, ("Sending wildcard request to [%s]\n", dpbe->domain));
- ret = dp_call_pamhandler(bereq, pd);
- if (ret != EOK) {
- DEBUG(2,("Failed to dispatch request to %s\n", dpbe->domain));
- dpbe = dpbe->next;
- continue;
- }
- dpreq->pending_replies++;
- }
- dpbe = dpbe->next;
- }
-
- if (domain_found) {
- talloc_free(pd);
- return EOK;
- }
-
- pam_status = PAM_MODULE_UNKNOWN;
-
-respond:
- dbret = dbus_message_append_args(reply,
- DBUS_TYPE_UINT32, &pam_status,
- DBUS_TYPE_STRING, &(pd->domain),
- DBUS_TYPE_INVALID);
- if (!dbret) return EIO;
-
- /* send reply back immediately */
- sbus_conn_send_reply(conn, reply);
- dbus_message_unref(reply);
-
- talloc_free(pd);
- return EOK;
-}
-
-static int dp_backend_destructor(void *ctx)
-{
- struct dp_backend *dpbe = talloc_get_type(ctx, struct dp_backend);
- if (dpbe->dpcli && dpbe->dpcli->dpctx && dpbe->dpcli->dpctx->be_list) {
- DLIST_REMOVE(dpbe->dpcli->dpctx->be_list, dpbe);
- DEBUG(4, ("Removed Backend client for domain [%s]\n",
- dpbe->domain));
- }
- return 0;
-}
-
-static int dp_frontend_destructor(void *ctx)
-{
- struct dp_frontend *dpfe = talloc_get_type(ctx, struct dp_frontend);
- if (dpfe->dpcli && dpfe->dpcli->dpctx && dpfe->dpcli->dpctx->fe_list) {
- DLIST_REMOVE(dpfe->dpcli->dpctx->fe_list, dpfe);
- DEBUG(4, ("Removed Frontend client [%s]\n", dpfe->name));
- }
- return 0;
-}
-
-/* monitor_dbus_init
- * Set up the monitor service as a D-BUS Server */
-static int dp_srv_init(struct dp_ctx *dpctx)
-{
- char *dpbus_address;
- int ret;
-
- DEBUG(3, ("Initializing Data Provider D-BUS Server\n"));
- ret = dp_get_sbus_address(dpctx, &dpbus_address);
-
- ret = sbus_new_server(dpctx, dpctx->ev, dpbus_address,
- &dp_interface, &dpctx->sbus_srv,
- dp_client_init, dpctx);
- return ret;
-}
-
-static int dp_process_init(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- struct confdb_ctx *cdb)
-{
- struct dp_ctx *dpctx;
- int ret;
-
- dpctx = talloc_zero(mem_ctx, struct dp_ctx);
- if (!dpctx) {
- DEBUG(0, ("fatal error initializing dp_ctx\n"));
- return ENOMEM;
- }
- dpctx->ev = ev;
- dpctx->cdb = cdb;
-
- ret = dp_monitor_init(dpctx);
- if (ret != EOK) {
- DEBUG(0, ("fatal error setting up monitor bus\n"));
- return ret;
- }
-
- ret = dp_srv_init(dpctx);
- if (ret != EOK) {
- DEBUG(0, ("fatal error setting up server bus\n"));
- return ret;
- }
-
- return EOK;
-}
-
-int main(int argc, const char *argv[])
-{
- int opt;
- poptContext pc;
- struct main_context *main_ctx;
- int ret;
-
- struct poptOption long_options[] = {
- POPT_AUTOHELP
- SSSD_MAIN_OPTS
- { NULL }
- };
-
- pc = poptGetContext(argv[0], argc, argv, long_options, 0);
- while((opt = poptGetNextOpt(pc)) != -1) {
- switch(opt) {
- default:
- fprintf(stderr, "\nInvalid option %s: %s\n\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- poptPrintUsage(pc, stderr, 0);
- return 1;
- }
- }
-
- poptFreeContext(pc);
-
- /* set up things like debug, signals, daemonization, etc... */
- debug_log_file = "sssd_dp";
-
- ret = server_setup("sssd[dp]", 0, CONFDB_DP_CONF_ENTRY, &main_ctx);
- if (ret != EOK) return 2;
-
- ret = die_if_parent_died();
- if (ret != EOK) {
- /* This is not fatal, don't return */
- DEBUG(2, ("Could not set up to exit when parent process does\n"));
- }
-
- ret = dp_process_init(main_ctx,
- main_ctx->event_ctx,
- main_ctx->confdb_ctx);
- if (ret != EOK) return 3;
-
- /* loop on main */
- server_loop(main_ctx);
-
- return 0;
-}
-