89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
#include <dbus/dbus.h>
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#include <rpm/rpmlog.h>
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#include <rpm/rpmts.h>
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#include "lib/rpmplugin.h"
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static int lock_fd = -1;
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static int inhibit(void)
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{
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DBusError err;
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DBusConnection *bus = NULL;
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DBusMessage *msg = NULL;
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DBusMessage *reply = NULL;
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int fd = -1;
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dbus_error_init(&err);
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bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
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if (bus) {
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msg = dbus_message_new_method_call("org.freedesktop.login1",
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"/org/freedesktop/login1",
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"org.freedesktop.login1.Manager",
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"Inhibit");
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}
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if (msg) {
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const char *what = "shutdown";
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const char *mode = "block";
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const char *who = "RPM";
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const char *reason = "Transaction running";
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dbus_message_append_args(msg,
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DBUS_TYPE_STRING, &what,
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DBUS_TYPE_STRING, &who,
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DBUS_TYPE_STRING, &reason,
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DBUS_TYPE_STRING, &mode,
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DBUS_TYPE_INVALID);
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reply = dbus_connection_send_with_reply_and_block(bus, msg, -1, &err);
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dbus_message_unref(msg);
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}
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if (reply) {
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dbus_message_get_args(reply, &err,
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DBUS_TYPE_UNIX_FD, &fd,
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DBUS_TYPE_INVALID);
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dbus_message_unref(reply);
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}
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if (dbus_error_is_set(&err))
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dbus_error_free(&err);
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if (bus)
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dbus_connection_close(bus);
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return fd;
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}
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static rpmRC systemd_inhibit_tsm_pre(rpmPlugin plugin, rpmts ts)
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{
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if (rpmtsFlags(ts) & (RPMTRANS_FLAG_TEST|RPMTRANS_FLAG_BUILD_PROBS))
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return RPMRC_OK;
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lock_fd = inhibit();
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if (lock_fd < 0) {
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rpmlog(RPMLOG_WARNING,
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"Unable to get systemd shutdown inhibition lock\n");
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} else {
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rpmlog(RPMLOG_DEBUG, "System shutdown blocked (fd %d)\n", lock_fd);
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}
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return RPMRC_OK;
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}
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static rpmRC systemd_inhibit_tsm_post(rpmPlugin plugin, rpmts ts, int res)
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{
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if (lock_fd >= 0) {
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close(lock_fd);
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lock_fd = -1;
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rpmlog(RPMLOG_DEBUG, "System shutdown unblocked\n");
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}
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return RPMRC_OK;
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}
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struct rpmPluginHooks_s systemd_inhibit_hooks = {
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.tsm_pre = systemd_inhibit_tsm_pre,
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.tsm_post = systemd_inhibit_tsm_post,
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};
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