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authorMichal Sekletar <msekleta@redhat.com>2014-07-24 10:40:28 +0200
committerMichal Sekletar <msekleta@redhat.com>2014-09-19 12:32:06 +0200
commit16115b0a7b7cdf08fb38084d857d572d8a9088dc (patch)
tree2695c51cb8574ca2f1c6ea7bb90db11c4b5a88a2 /src/core/socket.c
parent863f3ce0d050f005839f6aa41fe7bac5478a7b5e (diff)
socket: introduce SELinuxContextFromNet 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_mls_label derived from xinetd. Reviewed-by: Paul Moore <pmoore@redhat.com>
Diffstat (limited to 'src/core/socket.c')
-rw-r--r--src/core/socket.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/core/socket.c b/src/core/socket.c
index 68e21e60ac..00d5fd1192 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -489,7 +489,8 @@ 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"
+ "%sSELinuxContextFromNet: %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),
@@ -504,7 +505,8 @@ 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_context_from_net));
if (s->control_pid > 0)
fprintf(f,
@@ -1128,8 +1130,12 @@ static int socket_open_fds(Socket *s) {
continue;
if (p->type == SOCKET_SOCKET) {
-
- if (!know_label) {
+ if (!know_label && s->selinux_context_from_net) {
+ r = label_get_our_label(&label);
+ if (r < 0)
+ return r;
+ know_label = true;
+ } else if (!know_label) {
r = socket_instantiate_service(s);
if (r < 0)
@@ -1821,7 +1827,7 @@ static void socket_enter_running(Socket *s, int cfd) {
unit_choose_id(UNIT(service), name);
- r = service_set_socket_fd(service, cfd, s);
+ r = service_set_socket_fd(service, cfd, s, s->selinux_context_from_net);
if (r < 0)
goto fail;