mirror of
				https://git.proxmox.com/git/mirror_frr
				synced 2025-11-04 01:43:38 +00:00 
			
		
		
		
	These don't serve any purpose either. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
		
			
				
	
	
		
			155 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			155 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 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;
 | 
						|
}
 |