summaryrefslogtreecommitdiff
path: root/src/core/execute.c
diff options
context:
space:
mode:
authorMichal Sekletar <msekleta@redhat.com>2014-07-24 10:40:28 +0200
committerMichal Sekletar <msekleta@redhat.com>2014-08-19 18:57:12 +0200
commitcf8bd44339b00330fdbc91041d6731ba8aba9fec (patch)
tree50131a58cdb8e65adc849c0971ff832ec208d6ec /src/core/execute.c
parent6c3e68e7c1adc6176526e69769bf2eba86cdd257 (diff)
socket: introduce SELinuxLabelViaNet option
This makes possible to spawn service instances triggered by socket with MLS/MCS SELinux labels which are created based on information provided by connected peer. Implementation of label_get_child_label derived from xinetd. Reviewed-by: Paul Moore <pmoore@redhat.com>
Diffstat (limited to 'src/core/execute.c')
-rw-r--r--src/core/execute.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/src/core/execute.c b/src/core/execute.c
index d8452a666c..129791294e 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -83,6 +83,7 @@
#include "af-list.h"
#include "mkdir.h"
#include "apparmor-util.h"
+#include "label.h"
#ifdef HAVE_SECCOMP
#include "seccomp-util.h"
@@ -1729,6 +1730,22 @@ int exec_spawn(ExecCommand *command,
goto fail_child;
}
}
+
+ if (context->selinux_label_via_net && use_selinux()) {
+ _cleanup_free_ char *label = NULL;
+
+ err = label_get_child_label(socket_fd, command->path, &label);
+ if (err < 0) {
+ r = EXIT_SELINUX_CONTEXT;
+ goto fail_child;
+ }
+
+ err = setexeccon(label);
+ if (err < 0) {
+ r = EXIT_SELINUX_CONTEXT;
+ goto fail_child;
+ }
+ }
#endif
#ifdef HAVE_APPARMOR
@@ -2112,7 +2129,8 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
"%sPrivateDevices: %s\n"
"%sProtectHome: %s\n"
"%sProtectSystem: %s\n"
- "%sIgnoreSIGPIPE: %s\n",
+ "%sIgnoreSIGPIPE: %s\n"
+ "%sSELinuxLabelViaNet: %s\n",
prefix, c->umask,
prefix, c->working_directory ? c->working_directory : "/",
prefix, c->root_directory ? c->root_directory : "/",
@@ -2122,7 +2140,8 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
prefix, yes_no(c->private_devices),
prefix, protect_home_to_string(c->protect_home),
prefix, protect_system_to_string(c->protect_system),
- prefix, yes_no(c->ignore_sigpipe));
+ prefix, yes_no(c->ignore_sigpipe),
+ prefix, yes_no(c->selinux_label_via_net));
STRV_FOREACH(e, c->environment)
fprintf(f, "%sEnvironment: %s\n", prefix, *e);