Adding upstream version 3.2.3+dfsg.upstream/3.2.3+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 794 insertions, 0 deletions

diff --git a/src/main/radiusd.c b/src/main/radiusd.c
new file mode 100644
index 0000000..f2acec7
--- /dev/null
+++ b/src/main/radiusd.c
@@ -0,0 +1,794 @@
+/*
+ * radiusd.c	Main loop of the radius server.
+ *
+ * Version:	$Id$
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * Copyright 2000-2019  The FreeRADIUS server project
+ * Copyright 1999,2000  Miquel van Smoorenburg <miquels@cistron.nl>
+ * Copyright 2000  Alan DeKok <aland@ox.org>
+ * Copyright 2000  Alan Curry <pacman-radius@cqc.com>
+ * Copyright 2000  Jeff Carneal <jeff@apex.net>
+ * Copyright 2000  Chad Miller <cmiller@surfsouth.com>
+ */
+
+RCSID("$Id$")
+
+#include <freeradius-devel/radiusd.h>
+#include <freeradius-devel/modules.h>
+#include <freeradius-devel/state.h>
+#include <freeradius-devel/rad_assert.h>
+#include <freeradius-devel/autoconf.h>
+
+#include <sys/file.h>
+
+#include <fcntl.h>
+#include <ctype.h>
+
+#ifdef HAVE_GETOPT_H
+#	include <getopt.h>
+#endif
+
+#ifdef HAVE_SYS_WAIT_H
+#	include <sys/wait.h>
+#endif
+#ifndef WEXITSTATUS
+#	define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+#	define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+#ifdef HAVE_SYSTEMD
+#  include <systemd/sd-daemon.h>
+#endif
+
+/*
+ *  Global variables.
+ */
+char const	*radacct_dir = NULL;
+char const	*radlog_dir = NULL;
+
+bool		log_stripped_names;
+
+char const *radiusd_version = "FreeRADIUS Version " RADIUSD_VERSION_STRING
+#ifdef RADIUSD_VERSION_COMMIT
+" (git #" STRINGIFY(RADIUSD_VERSION_COMMIT) ")"
+#endif
+", for host " HOSTINFO
+#ifndef ENABLE_REPRODUCIBLE_BUILDS
+", built on " __DATE__ " at " __TIME__
+#endif
+;
+
+static pid_t radius_pid;
+
+/*
+ *  Configuration items.
+ */
+
+/*
+ *	Static functions.
+ */
+static void usage(int);
+
+static void sig_fatal (int);
+#ifdef SIGHUP
+static void sig_hup (int);
+#endif
+
+/*
+ *	The main guy.
+ */
+int main(int argc, char *argv[])
+{
+	int rcode = EXIT_SUCCESS;
+	int status;
+	int argval;
+	bool spawn_flag = true;
+	bool display_version = false;
+	int flag = 0;
+	int from_child[2] = {-1, -1};
+	char *p;
+	fr_state_t *state = NULL;
+
+	/*
+	 *  We probably don't want to free the talloc autofree context
+	 *  directly, so we'll allocate a new context beneath it, and
+	 *  free that before any leak reports.
+	 */
+	TALLOC_CTX *autofree = talloc_init("main");
+
+#ifdef OSFC2
+	set_auth_parameters(argc, argv);
+#endif
+
+#ifdef WIN32
+	{
+		WSADATA wsaData;
+		if (WSAStartup(MAKEWORD(2, 0), &wsaData)) {
+			fprintf(stderr, "%s: Unable to initialize socket library.\n",
+				main_config.name);
+			exit(EXIT_FAILURE);
+		}
+	}
+#endif
+
+	rad_debug_lvl = 0;
+	set_radius_dir(autofree, RADIUS_DIR);
+
+	/*
+	 *	Ensure that the configuration is initialized.
+	 */
+	memset(&main_config, 0, sizeof(main_config));
+	main_config.myip.af = AF_UNSPEC;
+	main_config.port = 0;
+	main_config.daemonize = true;
+
+	p = strrchr(argv[0], FR_DIR_SEP);
+	if (!p) {
+		main_config.name = argv[0];
+	} else {
+		main_config.name = p + 1;
+	}
+
+	/*
+	 *	Don't put output anywhere until we get told a little
+	 *	more.
+	 */
+	default_log.dst = L_DST_NULL;
+	default_log.fd = -1;
+	main_config.log_file = NULL;
+
+	/*  Process the options.  */
+	while ((argval = getopt(argc, argv, "Cd:D:fhi:l:mMn:p:PstvxX")) != EOF) {
+
+		switch (argval) {
+			case 'C':
+				check_config = true;
+				spawn_flag = false;
+				main_config.daemonize = false;
+				break;
+
+			case 'd':
+				set_radius_dir(autofree, optarg);
+				break;
+
+			case 'D':
+				main_config.dictionary_dir = talloc_typed_strdup(autofree, optarg);
+				break;
+
+			case 'f':
+				main_config.daemonize = false;
+				break;
+
+			case 'h':
+				usage(0);
+				break;
+
+			case 'l':
+				if (strcmp(optarg, "stdout") == 0) {
+					goto do_stdout;
+				}
+				main_config.log_file = strdup(optarg);
+				default_log.dst = L_DST_FILES;
+				default_log.fd = open(main_config.log_file,
+							    O_WRONLY | O_APPEND | O_CREAT, 0640);
+				if (default_log.fd < 0) {
+					fprintf(stderr, "%s: Failed to open log file %s: %s\n",
+						main_config.name, main_config.log_file, fr_syserror(errno));
+					exit(EXIT_FAILURE);
+				}
+				fr_log_fp = fdopen(default_log.fd, "a");
+				break;
+
+			case 'i':
+				if (ip_hton(&main_config.myip, AF_UNSPEC, optarg, false) < 0) {
+					fprintf(stderr, "%s: Invalid IP Address or hostname \"%s\"\n",
+						main_config.name, optarg);
+					exit(EXIT_FAILURE);
+				}
+				flag |= 1;
+				break;
+
+			case 'n':
+				main_config.name = optarg;
+				break;
+
+			case 'm':
+				main_config.debug_memory = true;
+				break;
+
+			case 'M':
+				main_config.memory_report = true;
+				main_config.debug_memory = true;
+				break;
+
+			case 'p':
+			{
+				unsigned long port;
+
+				port = strtoul(optarg, 0, 10);
+				if ((port == 0) || (port > UINT16_MAX)) {
+					fprintf(stderr, "%s: Invalid port number \"%s\"\n",
+						main_config.name, optarg);
+					exit(EXIT_FAILURE);
+				}
+
+				main_config.port = (uint16_t) port;
+				flag |= 2;
+			}
+				break;
+
+			case 'P':
+				/* Force the PID to be written, even in -f mode */
+				main_config.write_pid = true;
+				break;
+
+			case 's':	/* Single process mode */
+				spawn_flag = false;
+				main_config.daemonize = false;
+				break;
+
+			case 't':	/* no child threads */
+				spawn_flag = false;
+				break;
+
+			case 'v':
+				display_version = true;
+				break;
+
+			case 'X':
+				spawn_flag = false;
+				main_config.daemonize = false;
+				rad_debug_lvl += 2;
+				main_config.log_auth = true;
+				main_config.log_auth_badpass = true;
+				main_config.log_auth_goodpass = true;
+		do_stdout:
+				fr_log_fp = stdout;
+				default_log.dst = L_DST_STDOUT;
+				default_log.fd = STDOUT_FILENO;
+				break;
+
+			case 'x':
+				rad_debug_lvl++;
+				break;
+
+			default:
+				usage(1);
+				break;
+		}
+	}
+
+	/*
+	 *  Mismatch between the binary and the libraries it depends on.
+	 */
+	if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
+		fr_perror("%s", main_config.name);
+		exit(EXIT_FAILURE);
+	}
+
+	if (rad_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) exit(EXIT_FAILURE);
+
+	/*
+	 *  Mismatch between build time OpenSSL and linked SSL, better to die
+	 *  here than segfault later.
+	 */
+#ifdef HAVE_OPENSSL_CRYPTO_H
+	if (ssl_check_consistency() < 0) exit(EXIT_FAILURE);
+#endif
+
+	if (flag && (flag != 0x03)) {
+		fprintf(stderr, "%s: The options -i and -p cannot be used individually.\n",
+			main_config.name);
+		exit(EXIT_FAILURE);
+	}
+
+	/*
+	 *  According to the talloc peeps, no two threads may modify any part of
+	 *  a ctx tree with a common root without synchronisation.
+	 *
+	 *  So we can't run with a null context and threads.
+	 */
+	if (main_config.memory_report) {
+		if (spawn_flag) {
+			fprintf(stderr, "%s: The server cannot produce memory reports (-M) in threaded mode\n",
+				main_config.name);
+			exit(EXIT_FAILURE);
+		}
+		talloc_enable_null_tracking();
+	} else {
+		talloc_disable_null_tracking();
+	}
+
+	/*
+	 *  Better here, so it doesn't matter whether we get passed -xv or -vx.
+	 */
+	if (display_version) {
+		if (rad_debug_lvl == 0) rad_debug_lvl = 1;
+		fr_log_fp = stdout;
+		default_log.dst = L_DST_STDOUT;
+		default_log.fd = STDOUT_FILENO;
+
+		INFO("%s: %s", main_config.name, radiusd_version);
+		version_print();
+		exit(EXIT_SUCCESS);
+	}
+
+	if (rad_debug_lvl) version_print();
+
+	/*
+	 *  Under linux CAP_SYS_PTRACE is usually only available before setuid/setguid,
+	 *  so we need to check whether we can attach before calling those functions
+	 *  (in main_config_init()).
+	 */
+	fr_store_debug_state();
+
+	/*
+	 *  Initialising OpenSSL once, here, is safer than having individual modules do it.
+	 */
+#ifdef HAVE_OPENSSL_CRYPTO_H
+	if (tls_global_init(spawn_flag, check_config) < 0) exit(EXIT_FAILURE);
+#endif
+
+	/*
+	 *  Write the PID always if we're running as a daemon.
+	 */
+	if (main_config.daemonize) main_config.write_pid = true;
+
+	/*
+	 *  Read the configuration files, BEFORE doing anything else.
+	 */
+	if (main_config_init() < 0) exit(EXIT_FAILURE);
+
+	/*
+	 *  This is very useful in figuring out why the panic_action didn't fire.
+	 */
+	INFO("%s", fr_debug_state_to_msg(fr_debug_state));
+
+	/*
+	 *  Check for vulnerabilities in the version of libssl were linked against.
+	 */
+#if defined(HAVE_OPENSSL_CRYPTO_H) && defined(ENABLE_OPENSSL_VERSION_CHECK)
+	if (tls_global_version_check(main_config.allow_vulnerable_openssl) < 0) exit(EXIT_FAILURE);
+#endif
+
+	fr_talloc_fault_setup();
+
+	/*
+	 *  Set the panic action (if required)
+	 */
+	{
+		char const *panic_action = NULL;
+
+		panic_action = getenv("PANIC_ACTION");
+		if (!panic_action) panic_action = main_config.panic_action;
+
+		if (panic_action && (fr_fault_setup(panic_action, argv[0]) < 0)) {
+			fr_perror("%s", main_config.name);
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	/*
+	 *  The systemd watchdog enablement must be checked before we
+	 *  daemonize, but the notifications can come from any process.
+	 */
+#ifdef HAVE_SYSTEMD_WATCHDOG
+	if (!check_config) {
+		uint64_t usec;
+
+		if ((sd_watchdog_enabled(0, &usec) > 0) && (usec > 0)) {
+			usec /= 2;
+			fr_timeval_from_usec(&sd_watchdog_interval, usec);
+
+			INFO("systemd watchdog interval is %ld.%.2ld secs", sd_watchdog_interval.tv_sec, sd_watchdog_interval.tv_usec);
+		} else {
+			INFO("systemd watchdog is disabled");
+		}
+	}
+#else
+	/*
+	 *	Some users get frustrated due to can't handle the service using "systemctl start radiusd"
+	 *	even when the SO supports systemd. The reason is because the FreeRADIUS version was built
+	 *	without the proper support.
+	 *
+	 *	Then, as can be seen in https://www.systutorials.com/docs/linux/man/3-sd_notify/
+	 *	We could assume that if find the NOTIFY_SOCKET, it's because we are under systemd.
+	 *
+	 */
+	if (getenv("NOTIFY_SOCKET"))
+		WARN("Built without support for systemd watchdog, but running under systemd.");
+#endif
+
+#ifndef __MINGW32__
+	/*
+	 *  Disconnect from session
+	 */
+	if (main_config.daemonize) {
+		pid_t pid;
+		int devnull;
+
+		/*
+		 *  Really weird things happen if we leave stdin open and call things like
+		 *  system() later.
+		 */
+		devnull = open("/dev/null", O_RDWR);
+		if (devnull < 0) {
+			ERROR("Failed opening /dev/null: %s", fr_syserror(errno));
+			exit(EXIT_FAILURE);
+		}
+		dup2(devnull, STDIN_FILENO);
+
+		close(devnull);
+
+		if (pipe(from_child) != 0) {
+			ERROR("Couldn't open pipe for child status: %s", fr_syserror(errno));
+			exit(EXIT_FAILURE);
+		}
+
+		pid = fork();
+		if (pid < 0) {
+			ERROR("Couldn't fork: %s", fr_syserror(errno));
+			exit(EXIT_FAILURE);
+		}
+
+		/*
+		 *  The parent exits, so the child can run in the background.
+		 *
+		 *  As the child can still encounter an error during initialisation
+		 *  we do a blocking read on a pipe between it and the parent.
+		 *
+		 *  Just before entering the event loop the child will send a success
+		 *  or failure message to the parent, via the pipe.
+		 */
+		if (pid > 0) {
+			uint8_t ret = 0;
+			int stat_loc;
+
+			/* So the pipe is correctly widowed if the child exits */
+			close(from_child[1]);
+
+			/*
+			 *  The child writes a 0x01 byte on success, and closes
+			 *  the pipe on error.
+			 */
+			if ((read(from_child[0], &ret, 1) < 0)) {
+				ret = 0;
+			}
+
+			/* For cleanliness... */
+			close(from_child[0]);
+
+			/* Don't turn children into zombies */
+			if (!ret) {
+				waitpid(pid, &stat_loc, WNOHANG);
+				exit(EXIT_FAILURE);
+			}
+
+#ifdef HAVE_SYSTEMD
+			/*
+			 *	Update the systemd MAINPID to be our child,
+			 *	as the parent is about to exit.
+			 */
+			sd_notifyf(0, "MAINPID=%lu", (unsigned long)pid);
+#endif
+
+			exit(EXIT_SUCCESS);
+		}
+
+		/* so the pipe is correctly widowed if the parent exits?! */
+		close(from_child[0]);
+#  ifdef HAVE_SETSID
+		setsid();
+#  endif
+	}
+#endif
+
+	/*
+	 *  Ensure that we're using the CORRECT pid after forking, NOT the one
+	 *  we started with.
+	 */
+	radius_pid = getpid();
+
+	/*
+	 *  Initialize any event loops just enough so module instantiations can
+	 *  add fd/event to them, but do not start them yet.
+	 *
+	 *  This has to be done post-fork in case we're using kqueue, where the
+	 *  queue isn't inherited by the child process.
+	 */
+	if (!radius_event_init(autofree)) exit(EXIT_FAILURE);
+
+	/*
+	 *   Load the modules
+	 */
+	if (modules_init(main_config.config) < 0) exit(EXIT_FAILURE);
+
+	/*
+	 *  Redirect stderr/stdout as appropriate.
+	 */
+	if (radlog_init(&default_log, main_config.daemonize) < 0) {
+		ERROR("%s", fr_strerror());
+		exit(EXIT_FAILURE);
+	}
+
+	event_loop_started = true;
+
+	/*
+	 *  Start the event loop(s) and threads.
+	 */
+	radius_event_start(main_config.config, spawn_flag);
+
+	/*
+	 *  Now that we've set everything up, we can install the signal
+	 *  handlers.  Before this, if we get any signal, we don't know
+	 *  what to do, so we might as well do the default, and die.
+	 */
+#ifdef SIGPIPE
+	signal(SIGPIPE, SIG_IGN);
+#endif
+
+	if ((fr_set_signal(SIGHUP, sig_hup) < 0) ||
+	    (fr_set_signal(SIGTERM, sig_fatal) < 0)) {
+	set_signal_error:
+		ERROR("%s", fr_strerror());
+		exit(EXIT_FAILURE);
+	}
+
+	/*
+	 *  If we're debugging, then a CTRL-C will cause the server to die
+	 *  immediately.  Use SIGTERM to shut down the server cleanly in
+	 *  that case.
+	 */
+	if (fr_set_signal(SIGINT, sig_fatal) < 0) goto set_signal_error;
+
+#ifdef SIGQUIT
+	if (main_config.debug_memory || (rad_debug_lvl == 0)) {
+		if (fr_set_signal(SIGQUIT, sig_fatal) < 0) goto set_signal_error;
+	}
+#endif
+
+	/*
+	 *  Everything seems to have loaded OK, exit gracefully.
+	 */
+	if (check_config) {
+		DEBUG("Configuration appears to be OK");
+
+		/* for -C -m|-M */
+		if (main_config.debug_memory) goto cleanup;
+
+		exit(EXIT_SUCCESS);
+	}
+
+#ifdef WITH_STATS
+	radius_stats_init(0);
+#endif
+
+	/*
+	 *  Write the PID after we've forked, so that we write the correct one.
+	 */
+	if (main_config.write_pid) {
+		FILE *fp;
+
+		fp = fopen(main_config.pid_file, "w");
+		if (fp != NULL) {
+			/*
+			 *  @fixme What about following symlinks,
+			 *  and having it over-write a normal file?
+			 */
+			fprintf(fp, "%d\n", (int) radius_pid);
+			fclose(fp);
+		} else {
+			ERROR("Failed creating PID file %s: %s", main_config.pid_file, fr_syserror(errno));
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	exec_trigger(NULL, NULL, "server.start", false);
+
+	/*
+	 *  Inform the parent (who should still be waiting) that the rest of
+	 *  initialisation went OK, and that it should exit with a 0 status.
+	 *  If we don't get this far, then we just close the pipe on exit, and the
+	 *  parent gets a read failure.
+	 */
+	if (main_config.daemonize) {
+		if (write(from_child[1], "\001", 1) < 0) {
+			WARN("Failed informing parent of successful start: %s",
+			     fr_syserror(errno));
+		}
+		close(from_child[1]);
+	}
+
+	/*
+	 *  Clear the libfreeradius error buffer.
+	 */
+	fr_strerror();
+
+	/*
+	 *  Initialise the state rbtree (used to link multiple rounds of challenges).
+	 */
+	state = fr_state_init(NULL);
+
+#ifdef HAVE_SYSTEMD
+	{
+		int ret_notif;
+
+		ret_notif = sd_notify(0, "READY=1\nSTATUS=Processing requests");
+		if (ret_notif < 0)
+			WARN("Failed notifying systemd that process is READY: %s", fr_syserror(ret_notif));
+	}
+#endif
+
+	/*
+	 *  Process requests until HUP or exit.
+	 */
+	while ((status = radius_event_process()) == 0x80) {
+#ifdef WITH_STATS
+		radius_stats_init(1);
+#endif
+		main_config_hup();
+	}
+	if (status < 0) {
+		ERROR("Exiting due to internal error: %s", fr_strerror());
+		rcode = EXIT_FAILURE;
+	} else {
+		INFO("Exiting normally");
+	}
+
+	/*
+	 *  Ignore the TERM signal: we're about to die.
+	 */
+	signal(SIGTERM, SIG_IGN);
+
+	/*
+	 *   Fire signal and stop triggers after ignoring SIGTERM, so handlers are
+	 *   not killed with the rest of the process group, below.
+	 */
+	if (status == 2) exec_trigger(NULL, NULL, "server.signal.term", true);
+	exec_trigger(NULL, NULL, "server.stop", false);
+
+	/*
+	 *  Send a TERM signal to all associated processes
+	 *  (including us, which gets ignored.)
+	 */
+#ifndef __MINGW32__
+	if (spawn_flag) kill(-radius_pid, SIGTERM);
+#endif
+
+	/*
+	 *  We're exiting, so we can delete the PID file.
+	 *  (If it doesn't exist, we can ignore the error returned by unlink)
+	 */
+	if (main_config.daemonize) unlink(main_config.pid_file);
+
+	radius_event_free();
+
+cleanup:
+	/*
+	 *  Detach any modules.
+	 */
+	modules_free();
+
+	xlat_free();		/* modules may have xlat's */
+
+	fr_state_delete(state);
+
+	/*
+	 *  Free the configuration items.
+	 */
+	main_config_free();
+
+#ifdef WITH_COA_TUNNEL
+	/*
+	 *	This should be after freeing all of the listeners.
+	 */
+	listen_coa_free();
+#endif
+
+#ifdef WIN32
+	WSACleanup();
+#endif
+
+#ifdef HAVE_OPENSSL_CRYPTO_H
+	tls_global_cleanup();
+#endif
+
+	/*
+	 *  So we don't see autofreed memory in the talloc report
+	 */
+	talloc_free(autofree);
+
+	if (main_config.memory_report) {
+		INFO("Allocated memory at time of report:");
+		fr_log_talloc_report(NULL);
+		talloc_disable_null_tracking();
+	}
+
+	return rcode;
+}
+
+
+/*
+ *  Display the syntax for starting this program.
+ */
+static void NEVER_RETURNS usage(int status)
+{
+	FILE *output = status?stderr:stdout;
+
+	fprintf(output, "Usage: %s [options]\n", main_config.name);
+	fprintf(output, "Options:\n");
+	fprintf(output, "  -C            Check configuration and exit.\n");
+	fprintf(stderr, "  -d <raddb>    Set configuration directory (defaults to " RADDBDIR ").\n");
+	fprintf(stderr, "  -D <dictdir>  Set main dictionary directory (defaults to " DICTDIR ").\n");
+	fprintf(output, "  -f            Run as a foreground process, not a daemon.\n");
+	fprintf(output, "  -h            Print this help message.\n");
+	fprintf(output, "  -i <ipaddr>   Listen on ipaddr ONLY.\n");
+	fprintf(output, "  -l <log_file> Logging output will be written to this file.\n");
+	fprintf(output, "  -m            On SIGINT or SIGQUIT clean up all used memory instead of just exiting.\n");
+	fprintf(output, "  -n <name>     Read raddb/name.conf instead of raddb/radiusd.conf.\n");
+	fprintf(output, "  -p <port>     Listen on port ONLY.\n");
+	fprintf(output, "  -P            Always write out PID, even with -f.\n");
+	fprintf(output, "  -s            Do not spawn child processes to handle requests (same as -ft).\n");
+	fprintf(output, "  -t            Disable threads.\n");
+	fprintf(output, "  -v            Print server version information.\n");
+	fprintf(output, "  -X            Turn on full debugging (similar to -tfxxl stdout).\n");
+	fprintf(output, "  -x            Turn on additional debugging (-xx gives more debugging).\n");
+	exit(status);
+}
+
+
+/*
+ *	We got a fatal signal.
+ */
+static void sig_fatal(int sig)
+{
+	if (getpid() != radius_pid) _exit(sig);
+
+	switch (sig) {
+	case SIGTERM:
+		radius_signal_self(RADIUS_SIGNAL_SELF_TERM);
+		break;
+
+	case SIGINT:
+#ifdef SIGQUIT
+	case SIGQUIT:
+#endif
+		if (main_config.debug_memory || main_config.memory_report) {
+			radius_signal_self(RADIUS_SIGNAL_SELF_TERM);
+			break;
+		}
+		/* FALL-THROUGH */
+
+	default:
+		fr_exit(sig);
+	}
+}
+
+#ifdef SIGHUP
+/*
+ *  We got the hangup signal.
+ *  Re-read the configuration files.
+ */
+static void sig_hup(UNUSED int sig)
+{
+	reset_signal(SIGHUP, sig_hup);
+
+	radius_signal_self(RADIUS_SIGNAL_SELF_HUP);
+}
+#endif