Adding upstream version 9.1.upstream/9.1

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

1 files changed, 254 insertions, 0 deletions

diff --git a/ospf6d/ospf6_main.c b/ospf6d/ospf6_main.c
new file mode 100644
index 0000000..9323045
--- /dev/null
+++ b/ospf6d/ospf6_main.c
@@ -0,0 +1,254 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 1999 Yasuhiro Ohara
+ */
+
+#include <zebra.h>
+#include <lib/version.h>
+#include <lib/keychain.h>
+#include <stdlib.h>
+
+#include "getopt.h"
+#include "frrevent.h"
+#include "log.h"
+#include "command.h"
+#include "vty.h"
+#include "memory.h"
+#include "if.h"
+#include "filter.h"
+#include "prefix.h"
+#include "plist.h"
+#include "privs.h"
+#include "sigevent.h"
+#include "zclient.h"
+#include "vrf.h"
+#include "bfd.h"
+#include "libfrr.h"
+
+#include "ospf6d.h"
+#include "ospf6_top.h"
+#include "ospf6_message.h"
+#include "ospf6_network.h"
+#include "ospf6_asbr.h"
+#include "ospf6_lsa.h"
+#include "ospf6_interface.h"
+#include "ospf6_zebra.h"
+#include "ospf6_routemap_nb.h"
+
+/* Default configuration file name for ospf6d. */
+#define OSPF6_DEFAULT_CONFIG       "ospf6d.conf"
+
+/* Default port values. */
+#define OSPF6_VTY_PORT             2606
+
+/* ospf6d privileges */
+zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN};
+
+struct zebra_privs_t ospf6d_privs = {
+#if defined(FRR_USER)
+	.user = FRR_USER,
+#endif
+#if defined FRR_GROUP
+	.group = FRR_GROUP,
+#endif
+#ifdef VTY_GROUP
+	.vty_group = VTY_GROUP,
+#endif
+	.caps_p = _caps_p,
+	.cap_num_p = array_size(_caps_p),
+	.cap_num_i = 0};
+
+/* ospf6d options, we use GNU getopt library. */
+struct option longopts[] = {{0}};
+
+/* Master of threads. */
+struct event_loop *master;
+
+static void __attribute__((noreturn)) ospf6_exit(int status)
+{
+	struct vrf *vrf;
+	struct interface *ifp;
+	struct ospf6 *ospf6;
+	struct listnode *node, *nnode;
+
+	frr_early_fini();
+
+	bfd_protocol_integration_set_shutdown(true);
+
+	for (ALL_LIST_ELEMENTS(om6->ospf6, node, nnode, ospf6)) {
+		vrf = vrf_lookup_by_id(ospf6->vrf_id);
+		ospf6_delete(ospf6);
+		ospf6 = NULL;
+		FOR_ALL_INTERFACES (vrf, ifp)
+			if (ifp->info != NULL)
+				ospf6_interface_delete(ifp->info);
+	}
+
+	ospf6_message_terminate();
+	ospf6_asbr_terminate();
+	ospf6_lsa_terminate();
+
+	/* reverse access_list_init */
+	access_list_reset();
+
+	/* reverse prefix_list_init */
+	prefix_list_add_hook(NULL);
+	prefix_list_delete_hook(NULL);
+	prefix_list_reset();
+
+	vrf_terminate();
+
+	if (zclient) {
+		zclient_stop(zclient);
+		zclient_free(zclient);
+	}
+
+	frr_fini();
+	exit(status);
+}
+
+/* SIGHUP handler. */
+static void sighup(void)
+{
+	zlog_info("SIGHUP received");
+}
+
+/* SIGINT handler. */
+static void sigint(void)
+{
+	zlog_notice("Terminating on signal SIGINT");
+	ospf6_exit(0);
+}
+
+/* SIGTERM handler. */
+static void sigterm(void)
+{
+	zlog_notice("Terminating on signal SIGTERM");
+	ospf6_exit(0);
+}
+
+/* SIGUSR1 handler. */
+static void sigusr1(void)
+{
+	zlog_info("SIGUSR1 received");
+	zlog_rotate();
+}
+
+struct frr_signal_t ospf6_signals[] = {
+	{
+		.signal = SIGHUP,
+		.handler = &sighup,
+	},
+	{
+		.signal = SIGINT,
+		.handler = &sigint,
+	},
+	{
+		.signal = SIGTERM,
+		.handler = &sigterm,
+	},
+	{
+		.signal = SIGUSR1,
+		.handler = &sigusr1,
+	},
+};
+
+static const struct frr_yang_module_info *const ospf6d_yang_modules[] = {
+	&frr_filter_info,
+	&frr_interface_info,
+	&frr_route_map_info,
+	&frr_vrf_info,
+	&frr_ospf_route_map_info,
+	&frr_ospf6_route_map_info,
+};
+
+FRR_DAEMON_INFO(ospf6d, OSPF6, .vty_port = OSPF6_VTY_PORT,
+
+		.proghelp = "Implementation of the OSPFv3 routing protocol.",
+
+		.signals = ospf6_signals,
+		.n_signals = array_size(ospf6_signals),
+
+		.privs = &ospf6d_privs, .yang_modules = ospf6d_yang_modules,
+		.n_yang_modules = array_size(ospf6d_yang_modules),
+);
+
+/* Max wait time for config to load before accepting hellos */
+#define OSPF6_PRE_CONFIG_MAX_WAIT_SECONDS 600
+
+static void ospf6_config_finish(struct event *t)
+{
+	zlog_err("OSPF6 configuration end timer expired after %d seconds.",
+		 OSPF6_PRE_CONFIG_MAX_WAIT_SECONDS);
+}
+
+static void ospf6_config_start(void)
+{
+	if (IS_OSPF6_DEBUG_EVENT)
+		zlog_debug("ospf6d config start received");
+	EVENT_OFF(t_ospf6_cfg);
+	event_add_timer(master, ospf6_config_finish, NULL,
+			OSPF6_PRE_CONFIG_MAX_WAIT_SECONDS, &t_ospf6_cfg);
+}
+
+static void ospf6_config_end(void)
+{
+	if (IS_OSPF6_DEBUG_EVENT)
+		zlog_debug("ospf6d config end received");
+
+	EVENT_OFF(t_ospf6_cfg);
+}
+
+/* Main routine of ospf6d. Treatment of argument and starting ospf finite
+   state machine is handled here. */
+int main(int argc, char *argv[], char *envp[])
+{
+	int opt;
+
+	frr_preinit(&ospf6d_di, argc, argv);
+	frr_opt_add("", longopts, "");
+
+	/* Command line argument treatment. */
+	while (1) {
+		opt = frr_getopt(argc, argv, NULL);
+
+		if (opt == EOF)
+			break;
+
+		switch (opt) {
+		case 0:
+			break;
+		default:
+			frr_help_exit(1);
+		}
+	}
+
+	if (geteuid() != 0) {
+		errno = EPERM;
+		perror(ospf6d_di.progname);
+		exit(1);
+	}
+
+	/* OSPF6 master init. */
+	ospf6_master_init(frr_init());
+
+	/* thread master */
+	master = om6->master;
+
+	keychain_init();
+	ospf6_vrf_init();
+	access_list_init();
+	prefix_list_init();
+
+	/* initialize ospf6 */
+	ospf6_init(master);
+
+	/* Configuration processing callback initialization. */
+	cmd_init_config_callbacks(ospf6_config_start, ospf6_config_end);
+
+	frr_config_fork();
+	frr_run(master);
+
+	/* Not reached. */
+	ospf6_exit(0);
+}