X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogind-dbus.c;h=af5176ca32bb6a1953be6fe2641ea9f18d96d6d0;hb=bbd4388153bde7b7fdb39ce5c88dd92f7b8a4d2d;hp=050eb7160edde03b4a7b075208b2c53c5357ab57;hpb=4d6d6518c301c844be59c1b3a0d2092a3218572f;p=elogind.git

diff --git a/src/logind-dbus.c b/src/logind-dbus.c
index 050eb7160..af5176ca3 100644
--- a/src/logind-dbus.c
+++ b/src/logind-dbus.c
@@ -22,10 +22,12 @@
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
+#include <pwd.h>
 
 #include "logind.h"
 #include "dbus-common.h"
 #include "strv.h"
+#include "polkit.h"
 
 #define BUS_MANAGER_INTERFACE                                           \
         " <interface name=\"org.freedesktop.login1.Manager\">\n"        \
@@ -82,6 +84,11 @@
         "  <method name=\"TerminateSeat\">\n"                           \
         "   <arg name=\"id\" type=\"s\" direction=\"in\"/>\n"           \
         "  </method>\n"                                                 \
+        "  <method name=\"SetUserLinger\">\n"                           \
+        "   <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n"          \
+        "   <arg name=\"b\" type=\"b\" direction=\"in\"/>\n"            \
+        "   <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n"  \
+        "  </method>\n"                                                 \
         "  <signal name=\"SessionNew\">\n"                              \
         "   <arg name=\"id\" type=\"s\"/>\n"                            \
         "   <arg name=\"path\" type=\"o\"/>\n"                          \
@@ -258,7 +265,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
                 else if (vtnr != (uint32_t) v)
                         return -EINVAL;
 
-        } else if (!isempty(tty) && seat_is_vtconsole(s))
+        } else if (!isempty(tty) && s && seat_is_vtconsole(s))
                 return -EINVAL;
 
         if (s) {
@@ -888,6 +895,69 @@ static DBusHandlerResult manager_message_handler(
                 if (!reply)
                         goto oom;
 
+        } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) {
+                uint32_t uid;
+                struct passwd *pw;
+                dbus_bool_t b, interactive;
+                char *path;
+
+                if (!dbus_message_get_args(
+                                    message,
+                                    &error,
+                                    DBUS_TYPE_UINT32, &uid,
+                                    DBUS_TYPE_BOOLEAN, &b,
+                                    DBUS_TYPE_BOOLEAN, &interactive,
+                                    DBUS_TYPE_INVALID))
+                        return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+                errno = 0;
+                pw = getpwuid(uid);
+                if (!pw)
+                        return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL);
+
+                r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, &error);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, &error, r);
+
+                r = safe_mkdir("/var/lib/systemd/linger", 0755, 0, 0);
+                if (r < 0)
+                        return bus_send_error_reply(connection, message, &error, r);
+
+                path = strappend("/var/lib/systemd/linger/", pw->pw_name);
+                if (!path)
+                        goto oom;
+
+                if (b) {
+                        User *u;
+
+                        r = touch(path);
+                        free(path);
+
+                        if (r < 0)
+                                return bus_send_error_reply(connection, message, &error, r);
+
+                        if (manager_add_user_by_uid(m, uid, &u) >= 0)
+                                user_start(u);
+
+                } else {
+                        User *u;
+
+                        r = unlink(path);
+                        free(path);
+
+                        if (r < 0 && errno != ENOENT)
+                                return bus_send_error_reply(connection, message, &error, -errno);
+
+                        u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+                        if (u)
+                                user_add_to_gc_queue(u);
+                }
+
+                reply = dbus_message_new_method_return(message);
+                if (!reply)
+                        goto oom;
+
+
         } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
                 char *introspection = NULL;
                 FILE *f;