hostnamed: move sources to subdirectory

1 files changed, 0 insertions, 623 deletions

diff --git a/src/hostnamed.c b/src/hostnamed.c
deleted file mode 100644
index f3b2c94173..0000000000
--- a/src/hostnamed.c
+++ /dev/null
@@ -1,623 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2011 Lennart Poettering
-
-  systemd 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 2 of the License, or
-  (at your option) any later version.
-
-  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <dbus/dbus.h>
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <dlfcn.h>
-
-#include "util.h"
-#include "strv.h"
-#include "dbus-common.h"
-#include "polkit.h"
-#include "def.h"
-#include "virt.h"
-
-#define INTERFACE \
-        " <interface name=\"org.freedesktop.hostname1\">\n"             \
-        "  <property name=\"Hostname\" type=\"s\" access=\"read\"/>\n"  \
-        "  <property name=\"StaticHostname\" type=\"s\" access=\"read\"/>\n" \
-        "  <property name=\"PrettyHostname\" type=\"s\" access=\"read\"/>\n" \
-        "  <property name=\"IconName\" type=\"s\" access=\"read\"/>\n"  \
-        "  <method name=\"SetHostname\">\n"                             \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
-        "  </method>\n"                                                 \
-        "  <method name=\"SetStaticHostname\">\n"                       \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
-        "  </method>\n"                                                 \
-        "  <method name=\"SetPrettyHostname\">\n"                       \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
-        "  </method>\n"                                                 \
-        "  <method name=\"SetIconName\">\n"                             \
-        "   <arg name=\"name\" type=\"s\" direction=\"in\"/>\n"         \
-        "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
-        "  </method>\n"                                                 \
-        " </interface>\n"
-
-#define INTROSPECTION                                                   \
-        DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
-        "<node>\n"                                                      \
-        INTERFACE                                                       \
-        BUS_PROPERTIES_INTERFACE                                        \
-        BUS_INTROSPECTABLE_INTERFACE                                    \
-        BUS_PEER_INTERFACE                                              \
-        "</node>\n"
-
-#define INTERFACES_LIST                         \
-        BUS_GENERIC_INTERFACES_LIST             \
-        "org.freedesktop.hostname1\0"
-
-const char hostname_interface[] _introspect_("hostname1") = INTERFACE;
-
-enum {
-        PROP_HOSTNAME,
-        PROP_STATIC_HOSTNAME,
-        PROP_PRETTY_HOSTNAME,
-        PROP_ICON_NAME,
-        _PROP_MAX
-};
-
-static char *data[_PROP_MAX] = {
-        NULL,
-        NULL,
-        NULL,
-        NULL
-};
-
-static usec_t remain_until = 0;
-
-static void free_data(void) {
-        int p;
-
-        for (p = 0; p < _PROP_MAX; p++) {
-                free(data[p]);
-                data[p] = NULL;
-        }
-}
-
-static int read_data(void) {
-        int r;
-
-        free_data();
-
-        data[PROP_HOSTNAME] = gethostname_malloc();
-        if (!data[PROP_HOSTNAME])
-                return -ENOMEM;
-
-        r = read_one_line_file("/etc/hostname", &data[PROP_STATIC_HOSTNAME]);
-        if (r < 0 && r != -ENOENT)
-                return r;
-
-        r = parse_env_file("/etc/machine-info", NEWLINE,
-                           "PRETTY_HOSTNAME", &data[PROP_PRETTY_HOSTNAME],
-                           "ICON_NAME", &data[PROP_ICON_NAME],
-                           NULL);
-        if (r < 0 && r != -ENOENT)
-                return r;
-
-        return 0;
-}
-
-static bool check_nss(void) {
-
-        void *dl;
-
-        if ((dl = dlopen("libnss_myhostname.so.2", RTLD_LAZY))) {
-                dlclose(dl);
-                return true;
-        }
-
-        return false;
-}
-
-static const char* fallback_icon_name(void) {
-
-#if defined(__i386__) || defined(__x86_64__)
-        int r;
-        char *type;
-        unsigned t;
-#endif
-
-        if (detect_virtualization(NULL) > 0)
-                return "computer-vm";
-
-#if defined(__i386__) || defined(__x86_64__)
-        r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type);
-        if (r < 0)
-                return NULL;
-
-        r = safe_atou(type, &t);
-        free(type);
-
-        if (r < 0)
-                return NULL;
-
-        /* We only list the really obvious cases here. The DMI data is
-           unreliable enough, so let's not do any additional guesswork
-           on top of that.
-
-           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
-         */
-
-        switch (t) {
-
-        case 0x3:
-        case 0x4:
-        case 0x6:
-        case 0x7:
-                return "computer-desktop";
-
-        case 0x9:
-        case 0xA:
-        case 0xE:
-                return "computer-laptop";
-
-        case 0x11:
-        case 0x1C:
-                return "computer-server";
-        }
-
-#endif
-        return NULL;
-}
-
-static int write_data_hostname(void) {
-        const char *hn;
-
-        if (isempty(data[PROP_HOSTNAME]))
-                hn = "localhost";
-        else
-                hn = data[PROP_HOSTNAME];
-
-        if (sethostname(hn, strlen(hn)) < 0)
-                return -errno;
-
-        return 0;
-}
-
-static int write_data_static_hostname(void) {
-
-        if (isempty(data[PROP_STATIC_HOSTNAME])) {
-
-                if (unlink("/etc/hostname") < 0)
-                        return errno == ENOENT ? 0 : -errno;
-
-                return 0;
-        }
-
-        return write_one_line_file_atomic("/etc/hostname", data[PROP_STATIC_HOSTNAME]);
-}
-
-static int write_data_other(void) {
-
-        static const char * const name[_PROP_MAX] = {
-                [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME",
-                [PROP_ICON_NAME] = "ICON_NAME"
-        };
-
-        char **l = NULL;
-        int r, p;
-
-        r = load_env_file("/etc/machine-info", &l);
-        if (r < 0 && r != -ENOENT)
-                return r;
-
-        for (p = 2; p < _PROP_MAX; p++) {
-                char *t, **u;
-
-                assert(name[p]);
-
-                if (isempty(data[p]))  {
-                        strv_env_unset(l, name[p]);
-                        continue;
-                }
-
-                if (asprintf(&t, "%s=%s", name[p], strempty(data[p])) < 0) {
-                        strv_free(l);
-                        return -ENOMEM;
-                }
-
-                u = strv_env_set(l, t);
-                free(t);
-                strv_free(l);
-
-                if (!u)
-                        return -ENOMEM;
-                l = u;
-        }
-
-        if (strv_isempty(l)) {
-
-                if (unlink("/etc/machine-info") < 0)
-                        return errno == ENOENT ? 0 : -errno;
-
-                return 0;
-        }
-
-        r = write_env_file("/etc/machine-info", l);
-        strv_free(l);
-
-        return r;
-}
-
-static int bus_hostname_append_icon_name(DBusMessageIter *i, const char *property, void *userdata) {
-        const char *name;
-
-        assert(i);
-        assert(property);
-
-        if (isempty(data[PROP_ICON_NAME]))
-                name = fallback_icon_name();
-        else
-                name = data[PROP_ICON_NAME];
-
-        return bus_property_append_string(i, property, (void*) name);
-}
-
-static DBusHandlerResult hostname_message_handler(
-                DBusConnection *connection,
-                DBusMessage *message,
-                void *userdata) {
-
-        const BusProperty properties[] = {
-                { "org.freedesktop.hostname1", "Hostname",       bus_property_append_string,    "s", data[PROP_HOSTNAME]},
-                { "org.freedesktop.hostname1", "StaticHostname", bus_property_append_string,    "s", data[PROP_STATIC_HOSTNAME]},
-                { "org.freedesktop.hostname1", "PrettyHostname", bus_property_append_string,    "s", data[PROP_PRETTY_HOSTNAME]},
-                { "org.freedesktop.hostname1", "IconName",       bus_hostname_append_icon_name, "s", data[PROP_ICON_NAME]},
-                { NULL, NULL, NULL, NULL, NULL }
-        };
-
-        DBusMessage *reply = NULL, *changed = NULL;
-        DBusError error;
-        int r;
-
-        assert(connection);
-        assert(message);
-
-        dbus_error_init(&error);
-
-        if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetHostname")) {
-                const char *name;
-                dbus_bool_t interactive;
-
-                if (!dbus_message_get_args(
-                                    message,
-                                    &error,
-                                    DBUS_TYPE_STRING, &name,
-                                    DBUS_TYPE_BOOLEAN, &interactive,
-                                    DBUS_TYPE_INVALID))
-                        return bus_send_error_reply(connection, message, &error, -EINVAL);
-
-                if (isempty(name))
-                        name = data[PROP_STATIC_HOSTNAME];
-
-                if (isempty(name))
-                        name = "localhost";
-
-                if (!hostname_is_valid(name))
-                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
-
-                if (!streq_ptr(name, data[PROP_HOSTNAME])) {
-                        char *h;
-
-                        r = verify_polkit(connection, message, "org.freedesktop.hostname1.set-hostname", interactive, &error);
-                        if (r < 0)
-                                return bus_send_error_reply(connection, message, &error, r);
-
-                        h = strdup(name);
-                        if (!h)
-                                goto oom;
-
-                        free(data[PROP_HOSTNAME]);
-                        data[PROP_HOSTNAME] = h;
-
-                        r = write_data_hostname();
-                        if (r < 0) {
-                                log_error("Failed to set host name: %s", strerror(-r));
-                                return bus_send_error_reply(connection, message, NULL, r);
-                        }
-
-                        log_info("Changed host name to '%s'", strempty(data[PROP_HOSTNAME]));
-
-                        changed = bus_properties_changed_new(
-                                        "/org/freedesktop/hostname1",
-                                        "org.freedesktop.hostname1",
-                                        "Hostname\0");
-                        if (!changed)
-                                goto oom;
-                }
-
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetStaticHostname")) {
-                const char *name;
-                dbus_bool_t interactive;
-
-                if (!dbus_message_get_args(
-                                    message,
-                                    &error,
-                                    DBUS_TYPE_STRING, &name,
-                                    DBUS_TYPE_BOOLEAN, &interactive,
-                                    DBUS_TYPE_INVALID))
-                        return bus_send_error_reply(connection, message, &error, -EINVAL);
-
-                if (isempty(name))
-                        name = NULL;
-
-                if (!streq_ptr(name, data[PROP_STATIC_HOSTNAME])) {
-
-                        r = verify_polkit(connection, message, "org.freedesktop.hostname1.set-static-hostname", interactive, &error);
-                        if (r < 0)
-                                return bus_send_error_reply(connection, message, &error, r);
-
-                        if (isempty(name)) {
-                                free(data[PROP_STATIC_HOSTNAME]);
-                                data[PROP_STATIC_HOSTNAME] = NULL;
-                        } else {
-                                char *h;
-
-                                if (!hostname_is_valid(name))
-                                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
-
-                                h = strdup(name);
-                                if (!h)
-                                        goto oom;
-
-                                free(data[PROP_STATIC_HOSTNAME]);
-                                data[PROP_STATIC_HOSTNAME] = h;
-                        }
-
-                        r = write_data_static_hostname();
-                        if (r < 0) {
-                                log_error("Failed to write static host name: %s", strerror(-r));
-                                return bus_send_error_reply(connection, message, NULL, r);
-                        }
-
-                        log_info("Changed static host name to '%s'", strempty(data[PROP_STATIC_HOSTNAME]));
-
-                        changed = bus_properties_changed_new(
-                                        "/org/freedesktop/hostname1",
-                                        "org.freedesktop.hostname1",
-                                        "StaticHostname\0");
-                        if (!changed)
-                                goto oom;
-                }
-
-        } else if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetPrettyHostname") ||
-                   dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetIconName")) {
-
-                const char *name;
-                dbus_bool_t interactive;
-                int k;
-
-                if (!dbus_message_get_args(
-                                    message,
-                                    &error,
-                                    DBUS_TYPE_STRING, &name,
-                                    DBUS_TYPE_BOOLEAN, &interactive,
-                                    DBUS_TYPE_INVALID))
-                        return bus_send_error_reply(connection, message, &error, -EINVAL);
-
-                if (isempty(name))
-                        name = NULL;
-
-                k = streq(dbus_message_get_member(message), "SetPrettyHostname") ? PROP_PRETTY_HOSTNAME : PROP_ICON_NAME;
-
-                if (!streq_ptr(name, data[k])) {
-
-                        /* Since the pretty hostname should always be
-                         * changed at the same time as the static one,
-                         * use the same policy action for both... */
-
-                        r = verify_polkit(connection, message, k == PROP_PRETTY_HOSTNAME ?
-                                          "org.freedesktop.hostname1.set-static-hostname" :
-                                          "org.freedesktop.hostname1.set-machine-info", interactive, &error);
-                        if (r < 0)
-                                return bus_send_error_reply(connection, message, &error, r);
-
-                        if (isempty(name)) {
-                                free(data[k]);
-                                data[k] = NULL;
-                        } else {
-                                char *h;
-
-                                h = strdup(name);
-                                if (!h)
-                                        goto oom;
-
-                                free(data[k]);
-                                data[k] = h;
-                        }
-
-                        r = write_data_other();
-                        if (r < 0) {
-                                log_error("Failed to write machine info: %s", strerror(-r));
-                                return bus_send_error_reply(connection, message, NULL, r);
-                        }
-
-                        log_info("Changed %s to '%s'", k == PROP_PRETTY_HOSTNAME ? "pretty host name" : "icon name", strempty(data[k]));
-
-                        changed = bus_properties_changed_new(
-                                        "/org/freedesktop/hostname1",
-                                        "org.freedesktop.hostname1",
-                                        k == PROP_PRETTY_HOSTNAME ? "PrettyHostname\0" : "IconName\0");
-                        if (!changed)
-                                goto oom;
-                }
-
-        } else
-                return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
-
-        if (!(reply = dbus_message_new_method_return(message)))
-                goto oom;
-
-        if (!dbus_connection_send(connection, reply, NULL))
-                goto oom;
-
-        dbus_message_unref(reply);
-        reply = NULL;
-
-        if (changed) {
-
-                if (!dbus_connection_send(connection, changed, NULL))
-                        goto oom;
-
-                dbus_message_unref(changed);
-        }
-
-        return DBUS_HANDLER_RESULT_HANDLED;
-
-oom:
-        if (reply)
-                dbus_message_unref(reply);
-
-        if (changed)
-                dbus_message_unref(changed);
-
-        dbus_error_free(&error);
-
-        return DBUS_HANDLER_RESULT_NEED_MEMORY;
-}
-
-static int connect_bus(DBusConnection **_bus) {
-        static const DBusObjectPathVTable hostname_vtable = {
-                .message_function = hostname_message_handler
-        };
-        DBusError error;
-        DBusConnection *bus = NULL;
-        int r;
-
-        assert(_bus);
-
-        dbus_error_init(&error);
-
-        bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
-        if (!bus) {
-                log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error));
-                r = -ECONNREFUSED;
-                goto fail;
-        }
-
-        dbus_connection_set_exit_on_disconnect(bus, FALSE);
-
-        if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL) ||
-            !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) {
-                log_error("Not enough memory");
-                r = -ENOMEM;
-                goto fail;
-        }
-
-        r = dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
-        if (dbus_error_is_set(&error)) {
-                log_error("Failed to register name on bus: %s", bus_error_message(&error));
-                r = -EEXIST;
-                goto fail;
-        }
-
-        if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
-                log_error("Failed to acquire name.");
-                r = -EEXIST;
-                goto fail;
-        }
-
-        if (_bus)
-                *_bus = bus;
-
-        return 0;
-
-fail:
-        dbus_connection_close(bus);
-        dbus_connection_unref(bus);
-
-        dbus_error_free(&error);
-
-        return r;
-}
-
-int main(int argc, char *argv[]) {
-        int r;
-        DBusConnection *bus = NULL;
-        bool exiting = false;
-
-        log_set_target(LOG_TARGET_AUTO);
-        log_parse_environment();
-        log_open();
-
-        umask(0022);
-
-        if (argc == 2 && streq(argv[1], "--introspect")) {
-                fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
-                      "<node>\n", stdout);
-                fputs(hostname_interface, stdout);
-                fputs("</node>\n", stdout);
-                return 0;
-        }
-
-        if (argc != 1) {
-                log_error("This program takes no arguments.");
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (!check_nss())
-                log_warning("Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!");
-
-        r = read_data();
-        if (r < 0) {
-                log_error("Failed to read hostname data: %s", strerror(-r));
-                goto finish;
-        }
-
-        r = connect_bus(&bus);
-        if (r < 0)
-                goto finish;
-
-        remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC;
-        for (;;) {
-
-                if (!dbus_connection_read_write_dispatch(bus, exiting ? -1 : (int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC)))
-                        break;
-
-                if (!exiting && remain_until < now(CLOCK_MONOTONIC)) {
-                        exiting = true;
-                        bus_async_unregister_and_exit(bus, "org.freedesktop.hostname1");
-                }
-        }
-
-        r = 0;
-
-finish:
-        free_data();
-
-        if (bus) {
-                dbus_connection_flush(bus);
-                dbus_connection_close(bus);
-                dbus_connection_unref(bus);
-        }
-
-        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}