1 files changed, 154 insertions, 0 deletions
diff --git a/nhrpd/nhrp_main.c b/nhrpd/nhrp_main.c
new file mode 100644
index 0000000000..2f6ee1c04f
--- /dev/null
+++ b/nhrpd/nhrp_main.c
@@ -0,0 +1,154 @@
+/* NHRP daemon main functions
+ * Copyright (c) 2014-2015 Timo Teräs
+ *
+ * This file is free software: you may copy, redistribute 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.
+ */
+
+#include <unistd.h>
+
+#include "zebra.h"
+#include "privs.h"
+#include "getopt.h"
+#include "thread.h"
+#include "sigevent.h"
+#include "version.h"
+#include "log.h"
+#include "memory.h"
+#include "memory_vty.h"
+#include "command.h"
+#include "libfrr.h"
+
+#include "nhrpd.h"
+#include "netlink.h"
+
+DEFINE_MGROUP(NHRPD, "NHRP")
+
+unsigned int debug_flags = 0;
+
+struct thread_master *master;
+struct timeval current_time;
+
+/* nhrpd options. */
+struct option longopts[] = {
+	{ 0 }
+};
+
+/* nhrpd privileges */
+static zebra_capabilities_t _caps_p [] = {
+	ZCAP_NET_RAW,
+	ZCAP_NET_ADMIN,
+	ZCAP_DAC_OVERRIDE,	/* for now needed to write to /proc/sys/net/ipv4/<if>/send_redirect */
+};
+
+static struct zebra_privs_t nhrpd_privs = {
+#ifdef QUAGGA_USER
+	.user = QUAGGA_USER,
+#endif
+#ifdef QUAGGA_GROUP
+	.group = QUAGGA_GROUP,
+#endif
+#ifdef VTY_GROUP
+	.vty_group = VTY_GROUP,
+#endif
+	.caps_p = _caps_p,
+	.cap_num_p = ZEBRA_NUM_OF(_caps_p),
+};
+
+static void parse_arguments(int argc, char **argv)
+{
+	int opt;
+
+	while (1) {
+		opt = frr_getopt(argc, argv, 0);
+		if(opt < 0) break;
+
+		switch (opt) {
+		case 0:
+			break;
+		default:
+			frr_help_exit(1);
+			break;
+		}
+	}
+}
+
+static void nhrp_sigusr1(void)
+{
+	zlog_rotate();
+}
+
+static void nhrp_request_stop(void)
+{
+	debugf(NHRP_DEBUG_COMMON, "Exiting...");
+
+	nhrp_shortcut_terminate();
+	nhrp_nhs_terminate();
+	nhrp_zebra_terminate();
+	vici_terminate();
+	evmgr_terminate();
+	nhrp_vc_terminate();
+	vrf_terminate();
+	/* memory_terminate(); */
+	/* vty_terminate(); */
+	cmd_terminate();
+	/* signal_terminate(); */
+	zprivs_terminate(&nhrpd_privs);
+
+	debugf(NHRP_DEBUG_COMMON, "Done.");
+
+	closezlog();
+
+	exit(0);
+}
+
+static struct quagga_signal_t sighandlers[] = {
+	{ .signal = SIGUSR1, .handler = &nhrp_sigusr1, },
+	{ .signal = SIGINT,  .handler = &nhrp_request_stop, },
+	{ .signal = SIGTERM, .handler = &nhrp_request_stop, },
+};
+
+FRR_DAEMON_INFO(nhrpd, NHRP,
+	.vty_port = NHRP_VTY_PORT,
+
+	.proghelp = "Implementation of the NHRP routing protocol.",
+
+	.signals = sighandlers,
+	.n_signals = array_size(sighandlers),
+
+	.privs = &nhrpd_privs,
+)
+
+int main(int argc, char **argv)
+{
+	frr_preinit(&nhrpd_di, argc, argv);
+	frr_opt_add("", longopts, "");
+
+	parse_arguments(argc, argv);
+
+	/* Library inits. */
+	master = frr_init();
+	nhrp_interface_init();
+	vrf_init();
+	resolver_init();
+
+	/* Run with elevated capabilities, as for all netlink activity
+	 * we need privileges anyway. */
+	nhrpd_privs.change(ZPRIVS_RAISE);
+
+	netlink_init();
+	evmgr_init();
+	nhrp_vc_init();
+	nhrp_packet_init();
+	vici_init();
+	nhrp_zebra_init();
+	nhrp_shortcut_init();
+
+	nhrp_config_init();
+
+	frr_config_fork();
+	frr_run(master);
+	return 0;
+}