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kdbus: when uploading bus name policy, resolve users/groups out-of-process

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It's not safe invoking NSS from PID 1, hence fork off worker processes
that upload the policy into the kernel for busnames.
This commit is contained in:
Lennart Poettering
2014-06-05 13:09:46 +02:00
parent 5331194c12
commit a4152e3fe2
11 changed files with 538 additions and 157 deletions
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src/core/socket.c
+9 -8
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@@ -1173,11 +1173,12 @@ static void socket_unwatch_fds(Socket *s) {
if (p->fd < 0)
continue;
if (p->event_source) {
r = sd_event_source_set_enabled(p->event_source, SD_EVENT_OFF);
if (r < 0)
log_debug_unit(UNIT(s)->id, "Failed to disable event source.");
}
if (!p->event_source)
continue;
r = sd_event_source_set_enabled(p->event_source, SD_EVENT_OFF);
if (r < 0)
log_debug_unit(UNIT(s)->id, "Failed to disable event source.");
}
}
@@ -1843,6 +1844,7 @@ static int socket_start(Unit *u) {
SOCKET_FINAL_SIGKILL))
return -EAGAIN;
/* Already on it! */
if (IN_SET(s->state,
SOCKET_START_PRE,
SOCKET_START_CHOWN,
@@ -1871,8 +1873,7 @@ static int socket_start(Unit *u) {
#ifdef HAVE_SYSV_COMPAT
if (service->is_sysv) {
log_error_unit(u->id,
"Using SysV services for socket activation is not supported. Refusing.");
log_error_unit(u->id, "Using SysV services for socket activation is not supported. Refusing.");
return -ENOENT;
}
#endif
@@ -2282,7 +2283,7 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
else if (code == CLD_DUMPED)
f = SOCKET_FAILURE_CORE_DUMP;
else
assert_not_reached("Unknown code");
assert_not_reached("Unknown sigchld code");
if (s->control_command) {
exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);