socket: introduce SELinuxLabelViaNet option

[elogind.git] / src / core / socket.c

diff --git a/src/core/socket.c b/src/core/socket.c
index a16b20d739239dde9b0975f8a78d0c0dc48067be..34ce1b1ffd54c6f84da894447aad23295884921f 100644 (file)
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -31,6 +31,10 @@
 #include <mqueue.h>
 #include <sys/xattr.h>
 
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+
 #include "sd-event.h"
 #include "log.h"
 #include "load-dropin.h"
@@ -488,7 +492,8 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
                 "%sPassCredentials: %s\n"
                 "%sPassSecurity: %s\n"
                 "%sTCPCongestion: %s\n"
-                "%sRemoveOnStop: %s\n",
+                "%sRemoveOnStop: %s\n"
+                "%sSELinuxLabelViaNet: %s\n",
                 prefix, socket_state_to_string(s->state),
                 prefix, socket_result_to_string(s->result),
                 prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
@@ -503,7 +508,8 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
                 prefix, yes_no(s->pass_cred),
                 prefix, yes_no(s->pass_sec),
                 prefix, strna(s->tcp_congestion),
-                prefix, yes_no(s->remove_on_stop));
+                prefix, yes_no(s->remove_on_stop),
+                prefix, yes_no(s->selinux_label_via_net));
 
         if (s->control_pid > 0)
                 fprintf(f,
@@ -1130,7 +1136,14 @@ static int socket_open_fds(Socket *s) {
                         continue;
 
                 if (p->type == SOCKET_SOCKET) {
-
+#ifdef HAVE_SELINUX
+                        if (!know_label && s->selinux_label_via_net) {
+                                r = getcon(&label);
+                                if (r < 0)
+                                        return r;
+                                know_label = true;
+                        }
+#endif
                         if (!know_label) {
 
                                 r = socket_instantiate_service(s);
@@ -1829,6 +1842,9 @@ static void socket_enter_running(Socket *s, int cfd) {
                 cfd = -1;
                 s->n_connections ++;
 
+                if (s->selinux_label_via_net)
+                        service->exec_context.selinux_label_via_net = true;
+
                 r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(service), JOB_REPLACE, true, &error, NULL);
                 if (r < 0)
                         goto fail;