SymbX/systemd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

socket: introduce SELinuxLabelViaNet option

Browse Source 
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>
This commit is contained in:
Michal Sekletar
2014-08-19 18:57:12 +02:00
parent 6c3e68e7c1
commit cf8bd44339
8 changed files with 127 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/core/execute.c
+21 -2
View File
@@ -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);