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/*
SSSD
InfoPipe
Copyright (C) Stephen Gallagher <sgallagh@redhat.com> 2009
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/>.
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include "popt.h"
#include "util/util.h"
#include "util/btreemap.h"
#include "sbus/sssd_dbus.h"
#include "sbus/sbus_client.h"
#include "monitor/monitor_sbus.h"
#include "monitor/monitor_interfaces.h"
#include "infopipe/sysbus.h"
#include "infopipe.h"
struct infp_ctx {
struct event_context *ev;
struct confdb_ctx *cdb;
struct service_sbus_ctx *ss_ctx;
struct sysbus_ctx *sysbus;
};
static int service_identity(DBusMessage *message, void *data, DBusMessage **r)
{
dbus_uint16_t version = INFOPIPE_VERSION;
const char *name = INFOPIPE_SERVICE_NAME;
DBusMessage *reply;
dbus_bool_t ret;
DEBUG(4, ("Sending identity data [%s,%d]\n", name, version));
reply = dbus_message_new_method_return(message);
ret = dbus_message_append_args(reply,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &version,
DBUS_TYPE_INVALID);
if (!ret) {
return EIO;
}
*r = reply;
return EOK;
}
static int service_pong(DBusMessage *message, void *data, DBusMessage **r)
{
DBusMessage *reply;
dbus_bool_t ret;
reply = dbus_message_new_method_return(message);
ret = dbus_message_append_args(reply, DBUS_TYPE_INVALID);
if (!ret) {
return EIO;
}
*r = reply;
return EOK;
}
static int service_reload(DBusMessage *message, void *data, DBusMessage **r) {
/* 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 service_pong(message, data, r);
}
struct sbus_method mon_sbus_methods[] = {
{ SERVICE_METHOD_IDENTITY, service_identity },
{ SERVICE_METHOD_PING, service_pong },
{ SERVICE_METHOD_RELOAD, service_reload },
{ NULL, NULL }
};
static int infp_monitor_init(struct infp_ctx *infp_ctx)
{
int ret;
char *sbus_address;
struct service_sbus_ctx *ss_ctx;
struct sbus_method_ctx *sm_ctx;
/* Set up SBUS connection to the monitor */
ret = monitor_get_sbus_address(infp_ctx, infp_ctx->cdb, &sbus_address);
if (ret != EOK) {
DEBUG(0, ("Could not locate monitor address.\n"));
return ret;
}
ret = monitor_init_sbus_methods(infp_ctx, mon_sbus_methods, &sm_ctx);
if (ret != EOK) {
DEBUG(0, ("Could not initialize SBUS methods.\n"));
return ret;
}
ret = sbus_client_init(infp_ctx, infp_ctx->ev,
sbus_address, sm_ctx,
NULL /* Private Data */,
NULL /* Destructor */,
&ss_ctx);
if (ret != EOK) {
DEBUG(0, ("Failed to connect to monitor services.\n"));
return ret;
}
/* Set up InfoPipe-specific listeners */
/* None currently used */
infp_ctx->ss_ctx = ss_ctx;
return EOK;
}
struct sbus_method infp_methods[] = {
INFP_USER_METHODS
INFP_GROUP_METHODS
{ NULL, NULL }
};
int infp_introspect(DBusMessage *message, void *data, DBusMessage **r)
{
/* Return the Introspection XML */
/* TODO: actually return the file */
*r = dbus_message_new_error(message, DBUS_ERROR_NOT_SUPPORTED, "Not yet implemented");
return EOK;
}
static int infp_process_init(TALLOC_CTX *mem_ctx,
struct event_context *ev,
struct confdb_ctx *cdb)
{
struct infp_ctx *infp_ctx;
int ret;
infp_ctx = talloc_zero(mem_ctx, struct infp_ctx);
if (infp_ctx == NULL) {
DEBUG(0, ("Fatal error initializing infp_ctx\n"));
return ENOMEM;
}
infp_ctx->ev = ev;
infp_ctx->cdb = cdb;
/* Connect to the monitor */
ret = infp_monitor_init(infp_ctx);
if (ret != EOK) {
DEBUG(0, ("Fatal error setting up monitor bus\n"));
return EIO;
}
/* Connect to the D-BUS system bus and set up methods */
ret = sysbus_init(infp_ctx, &infp_ctx->sysbus,
infp_ctx->ev, INFOPIPE_DBUS_NAME,
INFOPIPE_INTERFACE, INFOPIPE_PATH,
infp_methods, infp_introspect);
if (ret != EOK) {
DEBUG(0, ("Failed to connect to the system message bus\n"));
return EIO;
}
/* Add the infp_ctx to the sbus_conn_ctx private data
* so we can pass it into message handler functions
*/
sbus_conn_set_private_data(sysbus_get_sbus_conn(infp_ctx->sysbus), infp_ctx);
return ret;
}
int infp_check_permissions(DBusMessage *message, void *data, DBusMessage **r)
{
*r = dbus_message_new_error(message, DBUS_ERROR_NOT_SUPPORTED, "Not yet implemented");
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... */
ret = server_setup("sssd[infp]", 0, &main_ctx);
if (ret != EOK) return 2;
ret = infp_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;
}
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