#include <glib/gprintf.h>
#include <glib-unix.h>
-/* #include <gtk/gtk.h> */
+#include <polkit/polkit.h>
#include "hostnamed-gen.h"
#include "hostnamed.h"
guint bus_descriptor;
gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
+gchar *HOSTNAME, *STATIC_HOSTNAME, *PRETTY_HOSTNAME;
gchar *CHASSIS, *ICON;
-gchar *OS_CPENAME;
-gchar *KERN_NAME, *KERN_RELEASE, *KERN_VERS;
+gchar *KERN_NAME, *KERN_RELEASE, *KERN_VERS, *OS_CPENAME;
/* TODO no specific vm or laptop icon in gnome
* NOTE paravirtualization on xen is only available for linuxes right now
/* --- begin method/property/dbus signal code --- */
+/* TODO the extra boolean passed to these funcs is for policykit auth */
+/* TODO complete call with error, message, etc */
static gboolean
on_handle_set_hostname(Hostname1 *hn1_passed_interf,
GDBusMethodInvocation *invoc,
const gchar *greet,
gpointer data) {
- return FALSE;
+ GVariant *params;
+ gchar *proposed_hostname, *valid_hostname_buf;
+ gboolean policykit_auth, ret;
+ size_t check_length;
+
+ proposed_hostname = NULL;
+ ret = FALSE;
+
+ params = g_dbus_method_invocation_get_parameters(invoc);
+ g_variant_get(params, "(sb)", &proposed_hostname, &policykit_auth);
+
+ if(proposed_hostname && (valid_hostname_buf = g_hostname_to_ascii(proposed_hostname))) {
+
+ check_length = strnlen(proposed_hostname, MAXHOSTNAMELEN + 1);
+
+ if(check_length > MAXHOSTNAMELEN)
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Hostname string exceeded maximum length.");
+
+ else if(sethostname(proposed_hostname, check_length))
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to change hostname.");
+
+ else {
+ HOSTNAME = proposed_hostname;
+ hostname1_set_hostname(hn1_passed_interf, HOSTNAME);
+ ret = TRUE;
+ hostname1_complete_set_hostname(hn1_passed_interf, invoc);
+ }
+ }
+
+ if(proposed_hostname)
+ g_free(proposed_hostname);
+ if(valid_hostname_buf)
+ g_free(valid_hostname_buf);
+
+ return ret;
}
static gboolean
const gchar *
our_get_hostname() {
- gchar *hostname_buf, *ret;
- size_t hostname_divider;
-
- hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
- ret = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+ gchar *hostname_buf;
+ hostname_buf = (gchar *)g_malloc0(MAXHOSTNAMELEN);
- g_ptr_array_add(hostnamed_freeable, hostname_buf);
- g_ptr_array_add(hostnamed_freeable, ret);
+ if(gethostname(hostname_buf, MAXHOSTNAMELEN))
+ return "localhost.home.network"; /* TODO bomb out here probably */
+
+ else if(!g_strcmp0(HOSTNAME, hostname_buf)) {
- if(gethostname(hostname_buf, MAXHOSTNAMELEN) || g_strcmp0(hostname_buf, "") == 0)
- return "localhost";
+ g_free(hostname_buf);
+ return HOSTNAME;
+ }
- hostname_divider = strcspn(hostname_buf, ".");
+ g_ptr_array_add(hostnamed_freeable, hostname_buf);
+ HOSTNAME = hostname_buf;
+ hostname1_set_hostname(hostnamed_interf, HOSTNAME);
- return strncpy(ret, hostname_buf, hostname_divider);
+ return HOSTNAME;
}
const gchar *
our_get_static_hostname() {
- const gchar *pretty_hostname;
- const gchar *ret;
-
- pretty_hostname = our_get_pretty_hostname();
-
- if(g_strcmp0(pretty_hostname, "") == 0)
- ret = our_get_hostname();
-
- else if((ret = g_hostname_to_ascii(pretty_hostname))) {
+ if(STATIC_HOSTNAME && g_strcmp0(STATIC_HOSTNAME, ""))
+ return STATIC_HOSTNAME;
+ else if(HOSTNAME)
+ return HOSTNAME;
- g_ptr_array_add(hostnamed_freeable, (gpointer)ret);
- return ret;
- }
-
- return ret;
+ return "localhost.home.network";
}
const gchar *
our_get_pretty_hostname() {
- GKeyFile *config;
- gchar *ret;
-
- config = g_key_file_new();
-
- if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
- && (ret = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL))) { /* ret might need to be freed, docs dont specify but i am suspicious */
-
- g_key_file_unref(config);
- return ret;
- }
-
- if(config)
- g_free(config);
+ if(PRETTY_HOSTNAME)
+ return PRETTY_HOSTNAME;
return "";
}
if(CHASSIS)
return CHASSIS;
- return "desktop";
+ return "desktop"; /* this leads to the most generic beheivor in the unlikely case its returned */
}
const gchar *
CHASSIS = ICON = OS_CPENAME = 0;
KERN_NAME = KERN_RELEASE = KERN_VERS = 0;
+ HOSTNAME = STATIC_HOSTNAME = PRETTY_HOSTNAME = NULL;
set_signal_handlers();
- if(!determine_chassis_and_icon() || !set_uname_properties())
+ if(!determine_chassis_and_icon() || !set_uname_properties() || !set_names())
return 1;
- hostnamed_loop = g_main_loop_new(NULL, TRUE);
+ hostnamed_loop = g_main_loop_new(NULL, TRUE);
bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
"org.freedesktop.hostname1",
return 0;
}
+gboolean set_names() {
+
+ /* (1) set up */
+ gchar *hostname_buf, *static_hostname_buf, *pretty_hostname_buf;
+ GKeyFile *config;
+ size_t hostname_divider;
+
+ hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+ static_hostname_buf = (gchar*) g_malloc0(4096);
+ pretty_hostname_buf = (gchar*) g_malloc0(4096);
+
+ config = g_key_file_new();
+
+ g_ptr_array_add(hostnamed_freeable, hostname_buf);
+ g_ptr_array_add(hostnamed_freeable, static_hostname_buf);
+ g_ptr_array_add(hostnamed_freeable, pretty_hostname_buf);
+
+ /* (2) set HOSTNAME */
+ if(gethostname(hostname_buf, MAXHOSTNAMELEN) || !g_strcmp0(hostname_buf, ""))
+ HOSTNAME = "localhost";
+
+ HOSTNAME = hostname_buf;
+
+ /* this bit gets you the /etc/myname style hostname
+ hostname_divider = strcspn(hostname_buf, ".");
+ strncpy(ret, hostname_buf, hostname_divider); */
+
+ /* (3) set PRETTY_HOSTNAME */
+ if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
+ && (pretty_hostname_buf = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL)))
+ PRETTY_HOSTNAME = pretty_hostname_buf;
+ else
+ PRETTY_HOSTNAME = "";
+
+ if(config)
+ g_key_file_unref(config);
+
+ /* (4) set STATIC_HOSTNAME */
+ if(!g_strcmp0(PRETTY_HOSTNAME, ""))
+ STATIC_HOSTNAME = HOSTNAME;
+
+ else if((static_hostname_buf = g_hostname_to_ascii(PRETTY_HOSTNAME)))
+ STATIC_HOSTNAME = static_hostname_buf;
+
+ return (HOSTNAME && STATIC_HOSTNAME && PRETTY_HOSTNAME) ? TRUE : FALSE;
+
+}
+
gboolean set_uname_properties() {
struct utsname un;