X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=blobdiff_plain;f=src%2Finterfaces%2Fhostnamed%2Fhostnamed.c;h=e1614978c1cb03309ac61ed3ffb49f1576282b3d;hp=4d4332bed0dac607680a00448ecbdcce47c0e6d3;hb=d15318db3e7290d10cca372000cbdd0bdbc9fc6a;hpb=a622ef09a6520566359ce83a2f540cc519648307 diff --git a/src/interfaces/hostnamed/hostnamed.c b/src/interfaces/hostnamed/hostnamed.c index 4d4332b..e161497 100644 --- a/src/interfaces/hostnamed/hostnamed.c +++ b/src/interfaces/hostnamed/hostnamed.c @@ -1,121 +1,273 @@ +/* + * Copyright (c) 2014 Ian Sutton + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include + +#include + +#include #include + #include "hostnamed.h" +#include "hostnamed-gen.c" +GPtrArray *hostnamed_freeable; GDBusNodeInfo *spect_data; -GMainLoop *loop; - -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) { - - g_printf("%s wants to call %s, at %s with interface %s\n", sender, method_name, obj_path, interf_name); - - GString *xml_ret; - GVariant *xml_ret_gvar; - - 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) { - - GVariant *ret; - - return ret; -} - -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 +hostnamedHostname1 *hostnamed_interf; + +/* begin method/property/signal code */ + +/* TODO make sure these guys only work if called by root */ +static gboolean +on_handle_set_hostname(hostnamedHostname1 *hn1_passed_interf, + GDBusMethodInvocation *invoc, + const gchar *greet, + gpointer data) { + return FALSE; +} + +static gboolean +on_handle_set_static_hostname(hostnamedHostname1 *hn1_passed_interf, + GDBusMethodInvocation *invoc, + const gchar *greet, + gpointer data) { + return FALSE; +} + +static gboolean +on_handle_set_pretty_hostname(hostnamedHostname1 *hn1_passed_interf, + GDBusMethodInvocation *invoc, + const gchar *greet, + gpointer data) { + return FALSE; +} + +static gboolean +on_handle_set_chassis(hostnamedHostname1 *hn1_passed_interf, + GDBusMethodInvocation *invoc, + const gchar *greet, + gpointer data) { + return FALSE; +} + +static gboolean +on_handle_set_icon_name(hostnamedHostname1 *hn1_passed_interf, + GDBusMethodInvocation *invoc, + const gchar *greet, + gpointer data) { + return FALSE; +} + +/* note: all hostnamed/hostname1's properties are read-only, + * and do not need set_ functions, gdbus-codegen realized + * this from the XML and handled the to-be error of trying + * to set a read-only property's value */ -static void on_bus_acquired(GDBusConnection *conn, const gchar *name, gpointer user_data) { - g_print("got bus, name: %s\n", name); - - guint reg_id; - reg_id = g_dbus_connection_register_object(conn, - "/org/freedesktop/hostname1", - spect_data->interfaces[0], - &interface_vtable, - NULL, - NULL, - NULL ); - g_assert(reg_id > 0); +const gchar * +our_get_hostname() { + + int hostname_try; + gchar *hostname_buf; + + hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN); + hostname_try = gethostname(hostname_buf, MAXHOSTNAMELEN); + + return hostname_buf; } -static void on_name_acquired(GDBusConnection *conn, const gchar *name, gpointer user_data) { - g_print("got name %s\n", name); +const gchar * +our_get_static_hostname() { + + return "TODO"; } -static void on_name_lost(GDBusConnection *conn, const gchar *name, gpointer user_data) { - g_print("lost name %s, exiting...\n", name); - g_main_loop_quit(loop); +const gchar * +our_get_pretty_hostname() { + + return "TODO"; } -/* safe call to try and start hostnamed */ -GError hostnamed_init() { +const gchar * +our_get_chassis() { - guint bus_descriptor; - GError *err = NULL; + return "TODO"; +} + +const gchar * +our_get_icon_name() { - spect_data = g_dbus_node_info_new_for_xml(SYSTEMD_HOSTNAMED_XML, &err); + return "TODO"; +} - bus_descriptor = g_bus_own_name(G_BUS_TYPE_SESSION, - (gchar *)"org.freedesktop.hostname1", - G_BUS_NAME_OWNER_FLAGS_NONE, - on_bus_acquired, - on_name_acquired, - on_name_lost, - NULL, - NULL); +const gchar * +our_get_kernel_name() { - loop = g_main_loop_new(NULL, FALSE); - g_main_loop_run(loop); + return "TODO"; +} - /* i am not sure what the system state is once g_main_loop exits */ +const gchar * +our_get_kernel_version() { - g_bus_unown_name(bus_descriptor); - g_dbus_node_info_unref(spect_data); + return "TODO"; } +const gchar * +our_get_kernel_release() { + + return "TODO"; +} + +const gchar * +our_get_os_cpename() { + + return "TODO"; +} + +const gchar * +our_get_os_pretty_name() { + + return "TODO"; +} + +/* end method/property/signal code, begin bus/name handlers */ + +static void hostnamed_on_bus_acquired(GDBusConnection *conn, + const gchar *name, + gpointer user_data) { + + g_print("got bus, name: %s\n", name); + +} + +static void hostnamed_on_name_acquired(GDBusConnection *conn, + const gchar *name, + gpointer user_data) { + + g_print("got '%s' on system bus\n", name); + + hostnamed_interf = hostnamed_hostname1_skeleton_new(); + + /* attach function pointers to generated struct's method handlers */ + g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL); + g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL); + g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL); + g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL); + g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL); + + /* set our properties before export */ + hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname()); + hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname()); + hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname()); + hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis()); + hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name()); + hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name()); + hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version()); + hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release()); + hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename()); + hostnamed_hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name()); + + if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf), + conn, + "/org/freedesktop/hostname1", + NULL)) { + + g_printf("failed to export hostname1's interface on system bus!"); + } + +} + +static void hostnamed_on_name_lost(GDBusConnection *conn, + const gchar *name, + gpointer user_data) { + + g_print("lost name %s, exiting...", name); + + hostnamed_mem_clean(); + g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf)); + + /* TODO exit through g_main_loop properly... */ +} + +/* safe call to try and start hostnamed */ +void hostnamed_init() { + + guint bus_descriptor; + + bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM, + "org.freedesktop.hostname1", + G_BUS_NAME_OWNER_FLAGS_NONE, + hostnamed_on_bus_acquired, + hostnamed_on_name_acquired, + hostnamed_on_name_lost, + NULL, + NULL); + + /* TODO: malloc and return reference as if a main() closed */ +} + +/* free()'s */ +void hostnamed_mem_clean() { + + g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL); +} + +/* TODO figure out DMI variables on obsd */ +/*static gchar *guess_icon_name() { + + gchar *filebuf = NULL; + gchar *ret = NULL; + + #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; +}*/