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// SPDX-License-Identifier: GPL-2.0-or-later
/* RIPd main routine.
* Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org>
*/
#include <zebra.h>
#include <lib/version.h>
#include "getopt.h"
#include "frrevent.h"
#include "command.h"
#include "memory.h"
#include "prefix.h"
#include "filter.h"
#include "keychain.h"
#include "log.h"
#include "privs.h"
#include "sigevent.h"
#include "zclient.h"
#include "vrf.h"
#include "if_rmap.h"
#include "libfrr.h"
#include "routemap.h"
#include "bfd.h"
#include "mgmt_be_client.h"
#include "libagentx.h"
#include "ripd/ripd.h"
#include "ripd/rip_bfd.h"
#include "ripd/rip_nb.h"
#include "ripd/rip_errors.h"
/* ripd options. */
static struct option longopts[] = {{0}};
/* ripd privileges */
zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN};
uint32_t zebra_ecmp_count = MULTIPATH_NUM;
struct zebra_privs_t ripd_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};
/* Master of threads. */
struct event_loop *master;
struct mgmt_be_client *mgmt_be_client;
static struct frr_daemon_info ripd_di;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received");
/* Reload config file. */
vty_read_config(NULL, ripd_di.config_file, config_default);
}
/* SIGINT handler. */
static void sigint(void)
{
struct vrf *vrf;
zlog_notice("Terminating on signal");
bfd_protocol_integration_set_shutdown(true);
nb_oper_cancel_all_walks();
mgmt_be_client_destroy(mgmt_be_client);
mgmt_be_client = NULL;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
if (!vrf->info)
continue;
rip_clean(vrf->info);
}
rip_vrf_terminate();
if_rmap_terminate();
rip_zclient_stop();
route_map_finish();
keychain_terminate();
frr_fini();
exit(0);
}
/* SIGUSR1 handler. */
static void sigusr1(void)
{
zlog_rotate();
}
static struct frr_signal_t ripd_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 ripd_yang_modules[] = {
&frr_filter_info,
&frr_interface_info,
&frr_ripd_info,
&frr_route_map_info,
&frr_vrf_info,
&ietf_key_chain_info,
&ietf_key_chain_deviation_info,
};
/* clang-format off */
FRR_DAEMON_INFO(ripd, RIP,
.vty_port = RIP_VTY_PORT,
.proghelp = "Implementation of the RIP routing protocol.",
.signals = ripd_signals,
.n_signals = array_size(ripd_signals),
.privs = &ripd_privs,
.yang_modules = ripd_yang_modules,
.n_yang_modules = array_size(ripd_yang_modules),
/* mgmtd will load the per-daemon config file now */
.flags = FRR_NO_SPLIT_CONFIG,
);
/* clang-format on */
#define DEPRECATED_OPTIONS ""
/* Main routine of ripd. */
int main(int argc, char **argv)
{
frr_preinit(&ripd_di, argc, argv);
frr_opt_add("" DEPRECATED_OPTIONS, longopts, "");
/* Command line option parse. */
while (1) {
int opt;
opt = frr_getopt(argc, argv, NULL);
if (opt && opt < 128 && strchr(DEPRECATED_OPTIONS, opt)) {
fprintf(stderr,
"The -%c option no longer exists.\nPlease refer to the manual.\n",
opt);
continue;
}
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
default:
frr_help_exit(1);
}
}
/* Prepare master thread. */
master = frr_init();
/* Library initialization. */
libagentx_init();
rip_error_init();
keychain_init_new(true);
rip_vrf_init();
/* RIP related initialization. */
rip_init();
rip_if_init();
mgmt_be_client = mgmt_be_client_create("ripd", NULL, 0, master);
rip_zclient_init(master);
rip_bfd_init(master);
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
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