From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:53:30 +0200
Subject: Adding upstream version 8.4.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vrrpd/vrrp_main.c | 171 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 vrrpd/vrrp_main.c

(limited to 'vrrpd/vrrp_main.c')

diff --git a/vrrpd/vrrp_main.c b/vrrpd/vrrp_main.c
new file mode 100644
index 0000000..5976978
--- /dev/null
+++ b/vrrpd/vrrp_main.c
@@ -0,0 +1,171 @@
+/*
+ * VRRP entry point.
+ * Copyright (C) 2018-2019 Cumulus Networks, Inc.
+ * Quentin Young
+ *
+ * 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; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <zebra.h>
+
+#include <lib/version.h>
+
+#include "lib/command.h"
+#include "lib/filter.h"
+#include "lib/getopt.h"
+#include "lib/if.h"
+#include "lib/libfrr.h"
+#include "lib/log.h"
+#include "lib/memory.h"
+#include "lib/nexthop.h"
+#include "lib/privs.h"
+#include "lib/sigevent.h"
+#include "lib/thread.h"
+#include "lib/vrf.h"
+#include "lib/vty.h"
+
+#include "vrrp.h"
+#include "vrrp_debug.h"
+#include "vrrp_vty.h"
+#include "vrrp_zebra.h"
+
+DEFINE_MGROUP(VRRPD, "vrrpd");
+
+char backup_config_file[256];
+
+zebra_capabilities_t _caps_p[] = {
+	ZCAP_NET_RAW,
+};
+
+struct zebra_privs_t vrrp_privs = {
+#if defined(FRR_USER) && defined(FRR_GROUP)
+	.user = FRR_USER,
+	.group = FRR_GROUP,
+#endif
+#if defined(VTY_GROUP)
+	.vty_group = VTY_GROUP,
+#endif
+	.caps_p = _caps_p,
+	.cap_num_p = array_size(_caps_p),
+	.cap_num_i = 0};
+
+struct option longopts[] = { {0} };
+
+/* Master of threads. */
+struct thread_master *master;
+
+static struct frr_daemon_info vrrpd_di;
+
+/* SIGHUP handler. */
+static void sighup(void)
+{
+	zlog_info("SIGHUP received");
+
+	vty_read_config(NULL, vrrpd_di.config_file, config_default);
+}
+
+/* SIGINT / SIGTERM handler. */
+static void __attribute__((noreturn)) sigint(void)
+{
+	zlog_notice("Terminating on signal");
+
+	vrrp_fini();
+
+	frr_fini();
+
+	exit(0);
+}
+
+/* SIGUSR1 handler. */
+static void sigusr1(void)
+{
+	zlog_rotate();
+}
+
+struct frr_signal_t vrrp_signals[] = {
+	{
+		.signal = SIGHUP,
+		.handler = &sighup,
+	},
+	{
+		.signal = SIGUSR1,
+		.handler = &sigusr1,
+	},
+	{
+		.signal = SIGINT,
+		.handler = &sigint,
+	},
+	{
+		.signal = SIGTERM,
+		.handler = &sigint,
+	},
+};
+
+static const struct frr_yang_module_info *const vrrp_yang_modules[] = {
+	&frr_filter_info,
+	&frr_vrf_info,
+	&frr_interface_info,
+	&frr_vrrpd_info,
+};
+
+#define VRRP_VTY_PORT 2619
+
+FRR_DAEMON_INFO(vrrpd, VRRP, .vty_port = VRRP_VTY_PORT,
+		.proghelp = "Virtual Router Redundancy Protocol",
+		.signals = vrrp_signals,
+		.n_signals = array_size(vrrp_signals),
+		.privs = &vrrp_privs,
+		.yang_modules = vrrp_yang_modules,
+		.n_yang_modules = array_size(vrrp_yang_modules),
+);
+
+int main(int argc, char **argv, char **envp)
+{
+	frr_preinit(&vrrpd_di, argc, argv);
+	frr_opt_add("", longopts, "");
+
+	while (1) {
+		int opt;
+
+		opt = frr_getopt(argc, argv, NULL);
+
+		if (opt == EOF)
+			break;
+
+		switch (opt) {
+		case 0:
+			break;
+		default:
+			frr_help_exit(1);
+		}
+	}
+
+	master = frr_init();
+
+	access_list_init();
+	vrrp_debug_init();
+	vrrp_zebra_init();
+	vrrp_vty_init();
+	vrrp_init();
+
+	snprintf(backup_config_file, sizeof(backup_config_file),
+		 "%s/vrrpd.conf", frr_sysconfdir);
+	vrrpd_di.backup_config_file = backup_config_file;
+
+	frr_config_fork();
+	frr_run(master);
+
+	/* Not reached. */
+	return 0;
+}
-- 
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