chiark / gitweb /
hostnamectl: suppress outputting of pretty hostname field in status if empty
[elogind.git] / src / hostname / hostnamectl.c
index 1d448bd..064581a 100644 (file)
@@ -23,6 +23,7 @@
 #include <stdbool.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <string.h>
 #include <sys/timex.h>
 #include <sys/utsname.h>
@@ -35,6 +36,7 @@
 #include "strv.h"
 #include "sd-id128.h"
 #include "virt.h"
+#include "fileio.h"
 
 static enum transport {
         TRANSPORT_NORMAL,
@@ -62,6 +64,7 @@ typedef struct StatusInfo {
         const char *static_hostname;
         const char *pretty_hostname;
         const char *icon_name;
+        const char *chassis;
 } StatusInfo;
 
 static void print_status_info(StatusInfo *i) {
@@ -76,14 +79,20 @@ static void print_status_info(StatusInfo *i) {
         printf("   Static hostname: %s\n",
                strna(i->static_hostname));
 
-        if (!streq_ptr(i->hostname, i->static_hostname))
+        if (!isempty(i->pretty_hostname) &&
+            !streq_ptr(i->pretty_hostname, i->static_hostname))
+                printf("   Pretty hostname: %s\n",
+                       strna(i->pretty_hostname));
+
+        if (!isempty(i->hostname) &&
+            !streq_ptr(i->hostname, i->static_hostname))
                 printf("Transient hostname: %s\n",
                        strna(i->hostname));
 
-        printf("   Pretty hostname: %s\n"
-               "         Icon name: %s\n",
-               strna(i->pretty_hostname),
-               strna(i->icon_name));
+        printf("         Icon name: %s\n"
+               "           Chassis: %s\n",
+               strna(i->icon_name),
+               strna(i->chassis));
 
         r = sd_id128_get_machine(&mid);
         if (r >= 0)
@@ -132,6 +141,8 @@ static int status_property(const char *name, DBusMessageIter *iter, StatusInfo *
                                 i->pretty_hostname = s;
                         if (streq(name, "IconName"))
                                 i->icon_name = s;
+                        if (streq(name, "Chassis"))
+                                i->chassis = s;
                 }
                 break;
         }
@@ -145,7 +156,7 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) {
         const char *interface = "";
         int r;
         DBusMessageIter iter, sub, sub2, sub3;
-        StatusInfo info;
+        StatusInfo info = {};
 
         assert(args);
 
@@ -169,7 +180,6 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) {
                 return -EIO;
         }
 
-        zero(info);
         dbus_message_iter_recurse(&iter, &sub);
 
         while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
@@ -207,26 +217,6 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) {
         return 0;
 }
 
-static char* hostname_simplify(char *s) {
-        char *p, *d;
-
-        for (p = s, d = s; *p; p++) {
-                if ((*p >= 'a' && *p <= 'z') ||
-                    (*p >= '0' && *p <= '9') ||
-                    *p == '-' || *p == '_')
-                        *(d++) = *p;
-                else if (*p >= 'A' && *p <= 'Z')
-                        *(d++) = *p - 'A' + 'a';
-                else if (*p == ' ')
-                        *(d++) = '-';
-        }
-
-        *d = 0;
-
-        strshorten(s, HOST_NAME_MAX);
-        return s;
-}
-
 static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
         _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
         dbus_bool_t interactive = true;
@@ -240,6 +230,27 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
         polkit_agent_open_if_enabled();
 
         if (arg_set_pretty) {
+                const char *p;
+
+                /* If the passed hostname is already valid, then
+                 * assume the user doesn't know anything about pretty
+                 * hostnames, so let's unset the pretty hostname, and
+                 * just set the passed hostname as static/dynamic
+                 * hostname. */
+
+                h = strdup(hostname);
+                if (!h)
+                        return log_oom();
+
+                hostname_cleanup(h, true);
+
+                if (arg_set_static && streq(h, hostname))
+                        p = "";
+                else {
+                        p = hostname;
+                        hostname = h;
+                }
+
                 r = bus_method_call_with_reply(
                                 bus,
                                 "org.freedesktop.hostname1",
@@ -248,17 +259,14 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
                                 "SetPrettyHostname",
                                 &reply,
                                 NULL,
-                                DBUS_TYPE_STRING, &hostname,
+                                DBUS_TYPE_STRING, &p,
                                 DBUS_TYPE_BOOLEAN, &interactive,
                                 DBUS_TYPE_INVALID);
                 if (r < 0)
                         return r;
 
-                h = strdup(hostname);
-                if (!h)
-                        return log_oom();
-
-                hostname = hostname_simplify(h);
+                dbus_message_unref(reply);
+                reply = NULL;
         }
 
         if (arg_set_static) {
@@ -276,6 +284,9 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
 
                 if (r < 0)
                         return r;
+
+                dbus_message_unref(reply);
+                reply = NULL;
         }
 
         if (arg_set_transient) {
@@ -320,6 +331,28 @@ static int set_icon_name(DBusConnection *bus, char **args, unsigned n) {
                         DBUS_TYPE_INVALID);
 }
 
+static int set_chassis(DBusConnection *bus, char **args, unsigned n) {
+        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+        dbus_bool_t interactive = true;
+
+        assert(args);
+        assert(n == 2);
+
+        polkit_agent_open_if_enabled();
+
+        return bus_method_call_with_reply(
+                        bus,
+                        "org.freedesktop.hostname1",
+                        "/org/freedesktop/hostname1",
+                        "org.freedesktop.hostname1",
+                        "SetChassis",
+                        &reply,
+                        NULL,
+                        DBUS_TYPE_STRING, &args[1],
+                        DBUS_TYPE_BOOLEAN, &interactive,
+                        DBUS_TYPE_INVALID);
+}
+
 static int help(void) {
 
         printf("%s [OPTIONS...] COMMAND ...\n\n"
@@ -334,7 +367,8 @@ static int help(void) {
                "Commands:\n"
                "  status                 Show current hostname settings\n"
                "  set-hostname NAME      Set system hostname\n"
-               "  set-icon-name NAME     Set icon name for host\n",
+               "  set-icon-name NAME     Set icon name for host\n"
+               "  set-chassis NAME       Set chassis type for host\n",
                program_invocation_short_name);
 
         return 0;
@@ -377,7 +411,6 @@ static int parse_argv(int argc, char *argv[]) {
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
-                        puts(DISTRIBUTION);
                         puts(SYSTEMD_FEATURES);
                         return 0;
 
@@ -402,6 +435,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_set_static = true;
                         break;
 
+                case ARG_NO_ASK_PASSWORD:
+                        arg_ask_password = false;
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -429,9 +466,10 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
                 const int argc;
                 int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
         } verbs[] = {
-                { "status",              LESS,   1, show_status         },
-                { "set-hostname",        LESS,   2, set_hostname        },
-                { "set-icon-name",       EQUAL,  2, set_icon_name       },
+                { "status",        LESS,  1, show_status   },
+                { "set-hostname",  EQUAL, 2, set_hostname  },
+                { "set-icon-name", EQUAL, 2, set_icon_name },
+                { "set-chassis",   EQUAL, 2, set_chassis   },
         };
 
         int left;
@@ -507,6 +545,7 @@ int main(int argc, char *argv[]) {
 
         dbus_error_init(&error);
 
+        setlocale(LC_ALL, "");
         log_parse_environment();
         log_open();