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#include <unistd.h>
#include <limits.h>
#include <gio/gio.h>
GDBusNodeInfo *spect_data;
static gchar *hostname;
static gchar *pretty_hostname;
static gchar *static_hostname;
static gchar *icon_name;
static gchar *chassis;
static gchar *kernel_name;
static gchar *kernel_release;
static gchar *kernel_version;
static gchar *os_prettyname;
static gchar *os_cpe; //common platform enumeration string
static void handle_method_call(GDBusConnection *conn,
const gchar *sender,
const gchar *obj_path,
const gchar *interf_name,
const gchar *method_name,
GVariant *params,
GDBusMethodInvocation *invc,
gpointer usrdat) {
if(g_strcmp0(interf_name, "org.freedesktop.DBus.Introspectable") == 0
&& g_strcmp0(method_name, "Introspect") == 0) {
GVariant *xml_ret_gvar;
GString *xml_ret;
g_dbus_interface_info_generate_xml(spect_data->interfaces[0], (guint)0, xml_ret);
xml_ret_gvar = g_variant_new_string(xml_ret->str);
g_dbus_method_invocation_return_value(invc, xml_ret_gvar);
}
}
static GVariant * handle_get_property(GDBusConnection *conn,
const gchar *sender,
const gchar *obj_path,
const gchar *interf_name,
const gchar *prop_name,
GError **err,
gpointer usr_data) {
const gchar *our_interf_name = "org.freedesktop.hostname1";
const gchar *our_obj_path = "/org/freedesktop/hostname1";
if(g_strcmp0(interf_name, our_interf_name) != 0
|| g_strcmp0(obj_path, our_obj_path) != 0) {
return NULL; //TODO error
}
if(g_strcmp0(prop_name, "Hostname") == 0)
return g_variant_new_string(hostname);
else if(g_strcmp0(prop_name, "StaticHostname") == 0)
return g_variant_new_string(static_hostname);
else if(g_strcmp0(prop_name, "PrettyHostname") == 0)
return g_variant_new_string(pretty_hostname);
else if(g_strcmp0(prop_name, "IconName") == 0)
return g_variant_new_string(icon_name);
else
return NULL; //TODO error
}
static gboolean handle_set_property(GDBusConnection *conn,
const gchar *sender,
const gchar *obj_path,
const gchar *interf_name,
const gchar *prop_name,
GVariant *val,
GError **err,
gpointer usr_data) {
g_dbus_connection_emit_signal(conn,
NULL,
obj_path,
"org.freedesktop.DBus.Properties",
"PropertiesChanged",
NULL, /* incorrect */
NULL);
return TRUE;
}
/* "hot" functions initially passed to gdbus */
static const GDBusInterfaceVTable interface_vtable =
{
handle_method_call,
handle_get_property,
handle_set_property
};
/* end method/property functions, begin bus name handlers
* TODO: these should be intertwined as to handle edge cases
* for when the system cannot immediately grab the name, as
* well as cases where the system unintendedly loses the name
*/
static void on_bus_acquired(GDBusConnection *conn,
const gchar *name,
gpointer user_data) {
GError *err;
g_print("got bus, name: %s\n", name);
//GDBusObjectSkeleton *hostnamed_dbobj = g_dbus_object_skeleton_new("/org/freedesktop/hostname1");
g_dbus_connection_register_object(conn,
"/org/freedesktop/hostname1",
spect_data->interfaces[0],
&interface_vtable,
NULL, NULL, NULL);
}
static void on_name_acquired(GDBusConnection *conn,
const gchar *name,
gpointer user_data) {
g_print("got name %s\n", name);
}
static void on_name_lost(GDBusConnection *conn,
const gchar *name,
gpointer user_data) {
g_print("lost name %s, exiting...", name);
//TODO exit through g_main_loop properly...
exit(0);
}
/* safe call to try and start hostnamed */
GError * hostnamed_init() {
guint bus_descriptor;
GError *err = NULL;
gchar **hostnamed_ispect_xml = g_malloc(3000);
gchar *hostnamed_joined_xml = g_malloc(3000);
g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, err);
hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);
if(!init_props())
return err; //TODO error
bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
"org.freedesktop.hostname1",
G_BUS_NAME_OWNER_FLAGS_NONE,
on_bus_acquired,
on_name_acquired,
on_name_lost,
NULL,
NULL);
//TODO: malloc and return reference as if a main() closed
return err;
}
gboolean init_props() {
if(init_hostname()
&& init_static_hostname()
&& init_pretty_hostname()
&& init_icon_name()
&& init_chassis()
&& init_kernel_name()
&& init_kernel_version()
&& init_os_name()
&& init_os_cpe() )
return TRUE;
return FALSE;
}
//POSIX, for future ports try_hostname should be checked for null-termination
gboolean init_hostname() {
gchar try_hostname[HOST_NAME_MAX];
if(!gethostname(try_hostname, HOST_NAME_MAX)) {
hostname = try_hostname;
return TRUE;
}
return FALSE;
}
gboolean init_static_hostname() {
//TODO
return TRUE;
}
gboolean init_pretty_hostname() {
//TODO
return TRUE;
}
gboolean init_icon_name() {
//TODO
return TRUE;
}
gboolean init_chassis() {
//TODO
return TRUE;
}
gboolean init_kernel_name() {
//TODO
return TRUE;
}
gboolean init_kernel_version() {
//TODO
return TRUE;
}
gboolean init_os_name() {
//TODO
return TRUE;
}
gboolean init_os_cpe() {
//TODO
return TRUE;
}
//TODO figure out DMI variables on obsd
/*static gchar *guess_icon_name() {
gchar *filebuf = NULL;
gchar *ret = NULL;
//TODO vm check
#if defined(__i386__) || defined(__x86_64__)
/*
Taken with a few minor changes from systemd's hostnamed.c,
copyright 2011 Lennart Poettering.
See the SMBIOS Specification 2.7.1 section 7.4.1 for
details about the values listed here:
http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
*/ /*
if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
switch (g_ascii_strtoull (filebuf, NULL, 10)) {
case 0x3:
case 0x4:
case 0x5:
case 0x6:
case 0x7:
ret = g_strdup ("computer-desktop");
goto out;
case 0x9:
case 0xA:
case 0xE:
ret = g_strdup ("computer-laptop");
goto out;
case 0x11:
case 0x17:
case 0x1C:
case 0x1D:
ret = g_strdup ("computer-server");
goto out;
}
}
#endif
ret = g_strdup ("computer");
out:
g_free (filebuf);
return ret;
}*/
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