X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Finitctl.c;h=7241acb8dfe59771c9d5c930eeb1aeaecbaccc2e;hp=fef45007ba8c49a3641648f244368bbe8b4c655d;hb=b4f10a5e8956d26f0bc6b9aef12846b57caee08b;hpb=514f4ef52f91edb3741cad88d34572d162459346

diff --git a/src/initctl.c b/src/initctl.c
index fef45007b..7241acb8d 100644
--- a/src/initctl.c
+++ b/src/initctl.c
@@ -41,6 +41,7 @@
 #include "initreq.h"
 #include "special.h"
 #include "sd-daemon.h"
+#include "dbus-common.h"
 
 #define SERVER_FD_MAX 16
 #define TIMEOUT ((int) (10*MSEC_PER_SEC))
@@ -290,16 +291,20 @@ static int server_init(Server *s, unsigned n_sockets) {
                         goto fail;
                 }
 
-                f->fd = SD_LISTEN_FDS_START+i;
+                f->fd = fd;
                 LIST_PREPEND(Fifo, fifo, s->fifos, f);
                 f->server = s;
                 s->n_fifos ++;
         }
 
-        if (!(s->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
+        if (!(s->bus = dbus_connection_open("unix:abstract=/org/freedesktop/systemd1/private", &error))) {
                 log_error("Failed to get D-Bus connection: %s", error.message);
                 goto fail;
         }
+        if ((r = bus_check_peercred(s->bus)) < 0) {
+                log_error("Bus connection failed peer credential check: %s", strerror(-r));
+                goto fail;
+        }
 
         return 0;
 
@@ -336,10 +341,20 @@ int main(int argc, char *argv[]) {
         Server server;
         int r = 3, n;
 
+        if (getppid() != 1) {
+                log_error("This program should be invoked by init only.");
+                return 1;
+        }
+
+        if (argc > 1) {
+                log_error("This program does not take arguments.");
+                return 1;
+        }
+
         log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
         log_parse_environment();
 
-        log_info("systemd-initctl running as pid %llu", (unsigned long long) getpid());
+        log_info("systemd-initctl running as pid %lu", (unsigned long) getpid());
 
         if ((n = sd_listen_fds(true)) < 0) {
                 log_error("Failed to read listening file descriptors from environment: %s", strerror(-r));
@@ -387,7 +402,7 @@ fail:
 
         server_done(&server);
 
-        log_info("systemd-initctl stopped as pid %llu", (unsigned long long) getpid());
+        log_info("systemd-initctl stopped as pid %lu", (unsigned long) getpid());
 
         dbus_shutdown();