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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <talloc.h>
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>
typedef int errno_t;
#define EOK 0
#define INFOPIPE_DBUS_NAME "org.freedesktop.sssd.infopipe"
#define INFOPIPE_INTERFACE "org.freedesktop.sssd.infopipe"
#define INFOPIPE_PATH "/org/freedesktop/sssd/infopipe"
#define SSS_METHOD_DOMAIN_LIST "ListDomains"
#define DBUS_PROP_IFACE "org.freedesktop.DBus.Properties"
static DBusGProxy* sss_dbus_infopipe_proxy(DBusGConnection *conn)
{
return dbus_g_proxy_new_for_name(conn, INFOPIPE_DBUS_NAME,
INFOPIPE_PATH, INFOPIPE_INTERFACE);
}
static DBusGProxy* sss_dbus_property_proxy(DBusGConnection *conn,
const char *object_path)
{
return dbus_g_proxy_new_for_name(conn, INFOPIPE_DBUS_NAME,
object_path, DBUS_PROP_IFACE);
}
errno_t sss_dbus_get_string_property(TALLOC_CTX *mem_ctx,
DBusGConnection *conn,
GError *error,
const char *object_path,
const char *property,
char **_out)
{
DBusGProxy *proxy = NULL;
GValue variant = {0, };
gboolean gbret;
proxy = sss_dbus_property_proxy(conn, object_path);
if (proxy == NULL) {
return ENOMEM;
}
gbret = dbus_g_proxy_call(proxy, "Get", &error,
/* input args */
G_TYPE_STRING, property, G_TYPE_INVALID,
/* output args */
G_TYPE_VALUE, &variant, G_TYPE_INVALID);
if (!gbret) {
g_printerr("Failed to issue D-Bus call: %s\n", error->message);
return EIO;
}
*_out = talloc_strdup(mem_ctx, g_value_get_string(&variant));
if (*_out == NULL) {
return ENOMEM;
}
return EOK;
}
errno_t sss_dbus_list_domains(TALLOC_CTX *mem_ctx,
DBusGConnection *conn,
GError **_error,
char ***_domains)
{
DBusGProxy *proxy = NULL;
GError *error = NULL;
char **domains = NULL;
GPtrArray *objects = NULL;
const char *object = NULL;
gboolean gbret;
errno_t ret;
int i;
if (conn == NULL) {
return EINVAL;
}
proxy = sss_dbus_infopipe_proxy(conn);
if (proxy == NULL) {
return ENOMEM;
}
gbret = dbus_g_proxy_call(proxy, SSS_METHOD_DOMAIN_LIST, &error,
/* input args */
G_TYPE_INVALID,
/* output args */
dbus_g_type_get_collection("GPtrArray", DBUS_TYPE_G_OBJECT_PATH),
&objects,
G_TYPE_INVALID);
if (!gbret) {
g_printerr("Failed to issue D-Bus call: %s\n", error->message);
ret = EIO;
goto done;
}
if (objects == NULL || objects->len == 0) {
ret = ENOENT;
goto done;
}
domains = talloc_zero_array(mem_ctx, char*, objects->len + 1);
if (domains == NULL) {
ret = ENOMEM;
goto done;
}
for (i = 0; i < objects->len; i++) {
object = (const char*)g_ptr_array_index(objects, i);
ret = sss_dbus_get_string_property(domains, conn, error,
object, "name", &domains[i]);
if (ret != EOK) {
goto done;
}
}
*_domains = domains;
ret = EOK;
done:
if (error != NULL) {
if (_error != NULL) {
*_error = error;
} else {
g_error_free(error);
}
}
if (objects != NULL) {
g_ptr_array_free(objects, TRUE);
}
return ret;
}
int main(int argc, const char **argv)
{
DBusGConnection *conn = NULL;
GError *error = NULL;
char **domains = NULL;
errno_t ret;
int i;
g_type_init();
conn = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
if (conn == NULL) {
g_printerr("Failed to open connection to bus: %s\n", error->message);
g_error_free(error);
return 1;
}
ret = sss_dbus_list_domains(NULL, conn, &error, &domains);
if (ret != EOK) {
fprintf(stderr, "Error [%d]: %s\n", ret, strerror(ret));
return 1;
}
for (i = 0; domains[i] != NULL; i++) {
printf("%s\n", domains[i]);
}
dbus_g_connection_unref(conn);
return 0;
}
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