X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnspawn%2Fnspawn.c;h=350dc93cf9f873dd934e6a4b4ae6350dc4363873;hb=ac45f971a12280de55b834a65237f72dcacfc099;hp=379ea92355e6f512c15b06ad04fcf3b66fd63f7e;hpb=3302da4667640ac130956d8d90be7c39fb39222f;p=elogind.git

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 379ea9235..350dc93cf 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -43,6 +43,7 @@
 #include <sys/eventfd.h>
 #include <net/if.h>
 #include <linux/veth.h>
+#include <sys/personality.h>
 
 #ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
@@ -138,6 +139,7 @@ static bool arg_keep_unit = false;
 static char **arg_network_interfaces = NULL;
 static bool arg_network_veth = false;
 static char *arg_network_bridge = NULL;
+static unsigned long arg_personality = 0xffffffffLU;
 
 static int help(void) {
 
@@ -206,6 +208,7 @@ static int parse_argv(int argc, char *argv[]) {
                 ARG_NETWORK_INTERFACE,
                 ARG_NETWORK_VETH,
                 ARG_NETWORK_BRIDGE,
+                ARG_PERSONALITY,
         };
 
         static const struct option options[] = {
@@ -234,6 +237,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "network-interface",     required_argument, NULL, ARG_NETWORK_INTERFACE },
                 { "network-veth",          no_argument,       NULL, ARG_NETWORK_VETH      },
                 { "network-bridge",        required_argument, NULL, ARG_NETWORK_BRIDGE    },
+                { "personality",           required_argument, NULL, ARG_PERSONALITY       },
                 {}
         };
 
@@ -474,6 +478,16 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_keep_unit = true;
                         break;
 
+                case ARG_PERSONALITY:
+
+                        arg_personality = personality_from_string(optarg);
+                        if (arg_personality == 0xffffffffLU) {
+                                log_error("Unknown or unsupported personality '%s'.", optarg);
+                                return -EINVAL;
+                        }
+
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -1983,6 +1997,13 @@ int main(int argc, char *argv[]) {
 
                         setup_hostname();
 
+                        if (arg_personality != 0xffffffffLU) {
+                                if (personality(arg_personality) < 0) {
+                                        log_error("personality() failed: %m");
+                                        goto child_fail;
+                                }
+                        }
+
                         eventfd_read(sync_fd, &x);
                         close_nointr_nofail(sync_fd);
                         sync_fd = -1;