ac61aa8a28
and config_clear(). Also set log_procname directly and remove the log_procnames array.
748 lines
17 KiB
C
748 lines
17 KiB
C
/* $OpenBSD: eigrpd.c,v 1.28 2021/01/19 10:53:25 claudio Exp $ */
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/*
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* Copyright (c) 2015 Renato Westphal <renato@openbsd.org>
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* Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
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* Copyright (c) 2004 Esben Norby <norby@openbsd.org>
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* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/sysctl.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "eigrpd.h"
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#include "eigrpe.h"
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#include "rde.h"
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#include "log.h"
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static void main_sig_handler(int, short, void *);
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static __dead void usage(void);
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static __dead void eigrpd_shutdown(void);
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static pid_t start_child(enum eigrpd_process, char *, int, int, int,
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char *);
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static void main_dispatch_eigrpe(int, short, void *);
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static void main_dispatch_rde(int, short, void *);
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static int main_imsg_send_ipc_sockets(struct imsgbuf *,
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struct imsgbuf *);
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static int main_imsg_send_config(struct eigrpd_conf *);
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static int eigrp_reload(void);
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static int eigrp_sendboth(enum imsg_type, void *, uint16_t);
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static void merge_instances(struct eigrpd_conf *, struct eigrp *,
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struct eigrp *);
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struct eigrpd_conf *eigrpd_conf;
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static char *conffile;
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static struct imsgev *iev_eigrpe;
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static struct imsgev *iev_rde;
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static pid_t eigrpe_pid;
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static pid_t rde_pid;
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/* ARGSUSED */
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static void
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main_sig_handler(int sig, short event, void *arg)
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{
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/* signal handler rules don't apply, libevent decouples for us */
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switch (sig) {
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case SIGTERM:
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case SIGINT:
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eigrpd_shutdown();
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/* NOTREACHED */
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case SIGHUP:
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if (eigrp_reload() == -1)
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log_warnx("configuration reload failed");
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else
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log_debug("configuration reloaded");
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break;
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default:
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fatalx("unexpected signal");
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/* NOTREACHED */
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}
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}
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static __dead void
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usage(void)
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{
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extern char *__progname;
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fprintf(stderr, "usage: %s [-dnv] [-D macro=value]"
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" [-f file] [-s socket]\n",
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__progname);
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exit(1);
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}
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struct eigrpd_global global;
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int
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main(int argc, char *argv[])
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{
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struct event ev_sigint, ev_sigterm, ev_sighup;
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char *saved_argv0;
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int ch;
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int debug = 0, rflag = 0, eflag = 0;
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int ipforwarding;
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int mib[4];
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size_t len;
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char *sockname;
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int pipe_parent2eigrpe[2];
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int pipe_parent2rde[2];
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conffile = CONF_FILE;
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log_procname = "parent";
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sockname = EIGRPD_SOCKET;
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log_init(1); /* log to stderr until daemonized */
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log_verbose(1);
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saved_argv0 = argv[0];
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if (saved_argv0 == NULL)
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saved_argv0 = "eigrpd";
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while ((ch = getopt(argc, argv, "dD:f:ns:vRE")) != -1) {
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switch (ch) {
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case 'd':
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debug = 1;
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break;
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case 'D':
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if (cmdline_symset(optarg) < 0)
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log_warnx("could not parse macro definition %s",
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optarg);
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break;
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case 'f':
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conffile = optarg;
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break;
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case 'n':
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global.cmd_opts |= EIGRPD_OPT_NOACTION;
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break;
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case 's':
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sockname = optarg;
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break;
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case 'v':
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if (global.cmd_opts & EIGRPD_OPT_VERBOSE)
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global.cmd_opts |= EIGRPD_OPT_VERBOSE2;
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global.cmd_opts |= EIGRPD_OPT_VERBOSE;
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break;
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case 'R':
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rflag = 1;
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break;
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case 'E':
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eflag = 1;
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break;
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default:
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usage();
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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if (argc > 0 || (rflag && eflag))
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usage();
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if (rflag)
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rde(debug, global.cmd_opts & EIGRPD_OPT_VERBOSE);
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else if (eflag)
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eigrpe(debug, global.cmd_opts & EIGRPD_OPT_VERBOSE, sockname);
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mib[0] = CTL_NET;
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mib[1] = PF_INET;
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mib[2] = IPPROTO_IP;
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mib[3] = IPCTL_FORWARDING;
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len = sizeof(ipforwarding);
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if (sysctl(mib, 4, &ipforwarding, &len, NULL, 0) == -1)
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log_warn("sysctl");
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if (ipforwarding != 1)
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log_warnx("WARNING: IP forwarding NOT enabled");
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/* fetch interfaces early */
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kif_init();
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/* parse config file */
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if ((eigrpd_conf = parse_config(conffile)) == NULL) {
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kif_clear();
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exit(1);
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}
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if (global.cmd_opts & EIGRPD_OPT_NOACTION) {
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if (global.cmd_opts & EIGRPD_OPT_VERBOSE)
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print_config(eigrpd_conf);
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else
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fprintf(stderr, "configuration OK\n");
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kif_clear();
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exit(0);
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}
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/* check for root privileges */
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if (geteuid())
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errx(1, "need root privileges");
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/* check for eigrpd user */
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if (getpwnam(EIGRPD_USER) == NULL)
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errx(1, "unknown user %s", EIGRPD_USER);
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log_init(debug);
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log_verbose(global.cmd_opts & EIGRPD_OPT_VERBOSE);
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if (!debug)
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daemon(1, 0);
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log_info("startup");
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
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PF_UNSPEC, pipe_parent2eigrpe) == -1)
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fatal("socketpair");
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
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PF_UNSPEC, pipe_parent2rde) == -1)
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fatal("socketpair");
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/* start children */
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rde_pid = start_child(PROC_RDE_ENGINE, saved_argv0, pipe_parent2rde[1],
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debug, global.cmd_opts & EIGRPD_OPT_VERBOSE, NULL);
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eigrpe_pid = start_child(PROC_EIGRP_ENGINE, saved_argv0,
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pipe_parent2eigrpe[1], debug, global.cmd_opts & EIGRPD_OPT_VERBOSE,
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sockname);
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event_init();
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/* setup signal handler */
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signal_set(&ev_sigint, SIGINT, main_sig_handler, NULL);
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signal_set(&ev_sigterm, SIGTERM, main_sig_handler, NULL);
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signal_set(&ev_sighup, SIGHUP, main_sig_handler, NULL);
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signal_add(&ev_sigint, NULL);
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signal_add(&ev_sigterm, NULL);
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signal_add(&ev_sighup, NULL);
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signal(SIGPIPE, SIG_IGN);
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/* setup pipes to children */
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if ((iev_eigrpe = malloc(sizeof(struct imsgev))) == NULL ||
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(iev_rde = malloc(sizeof(struct imsgev))) == NULL)
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fatal(NULL);
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imsg_init(&iev_eigrpe->ibuf, pipe_parent2eigrpe[0]);
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iev_eigrpe->handler = main_dispatch_eigrpe;
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imsg_init(&iev_rde->ibuf, pipe_parent2rde[0]);
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iev_rde->handler = main_dispatch_rde;
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/* setup event handler */
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iev_eigrpe->events = EV_READ;
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event_set(&iev_eigrpe->ev, iev_eigrpe->ibuf.fd, iev_eigrpe->events,
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iev_eigrpe->handler, iev_eigrpe);
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event_add(&iev_eigrpe->ev, NULL);
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iev_rde->events = EV_READ;
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event_set(&iev_rde->ev, iev_rde->ibuf.fd, iev_rde->events,
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iev_rde->handler, iev_rde);
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event_add(&iev_rde->ev, NULL);
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if (main_imsg_send_ipc_sockets(&iev_eigrpe->ibuf, &iev_rde->ibuf))
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fatal("could not establish imsg links");
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main_imsg_send_config(eigrpd_conf);
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/* notify eigrpe about existing interfaces and addresses */
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kif_redistribute();
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if (kr_init(!(eigrpd_conf->flags & EIGRPD_FLAG_NO_FIB_UPDATE),
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eigrpd_conf->rdomain) == -1)
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fatalx("kr_init failed");
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if (pledge("stdio rpath inet sendfd", NULL) == -1)
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fatal("pledge");
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event_dispatch();
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eigrpd_shutdown();
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/* NOTREACHED */
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return (0);
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}
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static __dead void
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eigrpd_shutdown(void)
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{
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pid_t pid;
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int status;
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/* close pipes */
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msgbuf_clear(&iev_eigrpe->ibuf.w);
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close(iev_eigrpe->ibuf.fd);
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msgbuf_clear(&iev_rde->ibuf.w);
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close(iev_rde->ibuf.fd);
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kr_shutdown();
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config_clear(eigrpd_conf, PROC_MAIN);
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log_debug("waiting for children to terminate");
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do {
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pid = wait(&status);
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if (pid == -1) {
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if (errno != EINTR && errno != ECHILD)
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fatal("wait");
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} else if (WIFSIGNALED(status))
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log_warnx("%s terminated; signal %d",
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(pid == rde_pid) ? "route decision engine" :
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"eigrp engine", WTERMSIG(status));
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} while (pid != -1 || (pid == -1 && errno == EINTR));
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|
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free(iev_eigrpe);
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free(iev_rde);
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log_info("terminating");
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exit(0);
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}
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static pid_t
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start_child(enum eigrpd_process p, char *argv0, int fd, int debug, int verbose,
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char *sockname)
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{
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char *argv[7];
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int argc = 0;
|
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pid_t pid;
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|
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switch (pid = fork()) {
|
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case -1:
|
|
fatal("cannot fork");
|
|
case 0:
|
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break;
|
|
default:
|
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close(fd);
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return (pid);
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}
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|
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if (fd != 3) {
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if (dup2(fd, 3) == -1)
|
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fatal("cannot setup imsg fd");
|
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} else if (fcntl(fd, F_SETFD, 0) == -1)
|
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fatal("cannot setup imsg fd");
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argv[argc++] = argv0;
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switch (p) {
|
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case PROC_MAIN:
|
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fatalx("Can not start main process");
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case PROC_RDE_ENGINE:
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argv[argc++] = "-R";
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break;
|
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case PROC_EIGRP_ENGINE:
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argv[argc++] = "-E";
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break;
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}
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if (debug)
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argv[argc++] = "-d";
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if (verbose)
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argv[argc++] = "-v";
|
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if (sockname) {
|
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argv[argc++] = "-s";
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argv[argc++] = sockname;
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}
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argv[argc++] = NULL;
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|
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execvp(argv0, argv);
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fatal("execvp");
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}
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|
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/* imsg handling */
|
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/* ARGSUSED */
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static void
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main_dispatch_eigrpe(int fd, short event, void *bula)
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{
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struct imsgev *iev = bula;
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struct imsgbuf *ibuf;
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struct imsg imsg;
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ssize_t n;
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int shut = 0, verbose;
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ibuf = &iev->ibuf;
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|
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if (event & EV_READ) {
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if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
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fatal("imsg_read error");
|
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if (n == 0) /* connection closed */
|
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shut = 1;
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}
|
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if (event & EV_WRITE) {
|
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if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
|
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fatal("msgbuf_write");
|
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if (n == 0) /* connection closed */
|
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shut = 1;
|
|
}
|
|
|
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for (;;) {
|
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if ((n = imsg_get(ibuf, &imsg)) == -1)
|
|
fatal("imsg_get");
|
|
|
|
if (n == 0)
|
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break;
|
|
|
|
switch (imsg.hdr.type) {
|
|
case IMSG_CTL_RELOAD:
|
|
if (eigrp_reload() == -1)
|
|
log_warnx("configuration reload failed");
|
|
else
|
|
log_debug("configuration reloaded");
|
|
break;
|
|
case IMSG_CTL_FIB_COUPLE:
|
|
kr_fib_couple();
|
|
break;
|
|
case IMSG_CTL_FIB_DECOUPLE:
|
|
kr_fib_decouple();
|
|
break;
|
|
case IMSG_CTL_KROUTE:
|
|
kr_show_route(&imsg);
|
|
break;
|
|
case IMSG_CTL_IFINFO:
|
|
if (imsg.hdr.len == IMSG_HEADER_SIZE)
|
|
kr_ifinfo(NULL, imsg.hdr.pid);
|
|
else if (imsg.hdr.len == IMSG_HEADER_SIZE + IFNAMSIZ)
|
|
kr_ifinfo(imsg.data, imsg.hdr.pid);
|
|
else
|
|
log_warnx("IFINFO request with wrong len");
|
|
break;
|
|
case IMSG_CTL_LOG_VERBOSE:
|
|
/* already checked by eigrpe */
|
|
memcpy(&verbose, imsg.data, sizeof(verbose));
|
|
log_verbose(verbose);
|
|
break;
|
|
default:
|
|
log_debug("%s: error handling imsg %d", __func__,
|
|
imsg.hdr.type);
|
|
break;
|
|
}
|
|
imsg_free(&imsg);
|
|
}
|
|
if (!shut)
|
|
imsg_event_add(iev);
|
|
else {
|
|
/* this pipe is dead, so remove the event handler */
|
|
event_del(&iev->ev);
|
|
event_loopexit(NULL);
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
main_dispatch_rde(int fd, short event, void *bula)
|
|
{
|
|
struct imsgev *iev = bula;
|
|
struct imsgbuf *ibuf;
|
|
struct imsg imsg;
|
|
ssize_t n;
|
|
int shut = 0;
|
|
|
|
ibuf = &iev->ibuf;
|
|
|
|
if (event & EV_READ) {
|
|
if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
|
|
fatal("imsg_read error");
|
|
if (n == 0) /* connection closed */
|
|
shut = 1;
|
|
}
|
|
if (event & EV_WRITE) {
|
|
if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
|
|
fatal("msgbuf_write");
|
|
if (n == 0) /* connection closed */
|
|
shut = 1;
|
|
}
|
|
|
|
for (;;) {
|
|
if ((n = imsg_get(ibuf, &imsg)) == -1)
|
|
fatal("imsg_get");
|
|
|
|
if (n == 0)
|
|
break;
|
|
|
|
switch (imsg.hdr.type) {
|
|
case IMSG_KROUTE_CHANGE:
|
|
if (imsg.hdr.len - IMSG_HEADER_SIZE !=
|
|
sizeof(struct kroute))
|
|
fatalx("invalid size of IMSG_KROUTE_CHANGE");
|
|
if (kr_change(imsg.data))
|
|
log_warnx("%s: error changing route", __func__);
|
|
break;
|
|
case IMSG_KROUTE_DELETE:
|
|
if (imsg.hdr.len - IMSG_HEADER_SIZE !=
|
|
sizeof(struct kroute))
|
|
fatalx("invalid size of IMSG_KROUTE_DELETE");
|
|
if (kr_delete(imsg.data))
|
|
log_warnx("%s: error deleting route", __func__);
|
|
break;
|
|
|
|
default:
|
|
log_debug("%s: error handling imsg %d", __func__,
|
|
imsg.hdr.type);
|
|
break;
|
|
}
|
|
imsg_free(&imsg);
|
|
}
|
|
if (!shut)
|
|
imsg_event_add(iev);
|
|
else {
|
|
/* this pipe is dead, so remove the event handler */
|
|
event_del(&iev->ev);
|
|
event_loopexit(NULL);
|
|
}
|
|
}
|
|
|
|
int
|
|
main_imsg_compose_eigrpe(int type, pid_t pid, void *data, uint16_t datalen)
|
|
{
|
|
if (iev_eigrpe == NULL)
|
|
return (-1);
|
|
return (imsg_compose_event(iev_eigrpe, type, 0, pid, -1, data, datalen));
|
|
}
|
|
|
|
int
|
|
main_imsg_compose_rde(int type, pid_t pid, void *data, uint16_t datalen)
|
|
{
|
|
if (iev_rde == NULL)
|
|
return (-1);
|
|
return (imsg_compose_event(iev_rde, type, 0, pid, -1, data, datalen));
|
|
}
|
|
|
|
void
|
|
imsg_event_add(struct imsgev *iev)
|
|
{
|
|
iev->events = EV_READ;
|
|
if (iev->ibuf.w.queued)
|
|
iev->events |= EV_WRITE;
|
|
|
|
event_del(&iev->ev);
|
|
event_set(&iev->ev, iev->ibuf.fd, iev->events, iev->handler, iev);
|
|
event_add(&iev->ev, NULL);
|
|
}
|
|
|
|
int
|
|
imsg_compose_event(struct imsgev *iev, uint16_t type, uint32_t peerid,
|
|
pid_t pid, int fd, void *data, uint16_t datalen)
|
|
{
|
|
int ret;
|
|
|
|
if ((ret = imsg_compose(&iev->ibuf, type, peerid,
|
|
pid, fd, data, datalen)) != -1)
|
|
imsg_event_add(iev);
|
|
return (ret);
|
|
}
|
|
|
|
static int
|
|
main_imsg_send_ipc_sockets(struct imsgbuf *eigrpe_buf, struct imsgbuf *rde_buf)
|
|
{
|
|
int pipe_eigrpe2rde[2];
|
|
|
|
if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
|
|
PF_UNSPEC, pipe_eigrpe2rde) == -1)
|
|
return (-1);
|
|
|
|
if (imsg_compose(eigrpe_buf, IMSG_SOCKET_IPC, 0, 0, pipe_eigrpe2rde[0],
|
|
NULL, 0) == -1)
|
|
return (-1);
|
|
if (imsg_compose(rde_buf, IMSG_SOCKET_IPC, 0, 0, pipe_eigrpe2rde[1],
|
|
NULL, 0) == -1)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
struct eigrp *
|
|
eigrp_find(struct eigrpd_conf *xconf, int af, uint16_t as)
|
|
{
|
|
struct eigrp *eigrp;
|
|
|
|
TAILQ_FOREACH(eigrp, &xconf->instances, entry)
|
|
if (eigrp->af == af && eigrp->as == as)
|
|
return (eigrp);
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
main_imsg_send_config(struct eigrpd_conf *xconf)
|
|
{
|
|
struct eigrp *eigrp;
|
|
struct eigrp_iface *ei;
|
|
|
|
if (eigrp_sendboth(IMSG_RECONF_CONF, xconf, sizeof(*xconf)) == -1)
|
|
return (-1);
|
|
|
|
TAILQ_FOREACH(eigrp, &xconf->instances, entry) {
|
|
if (eigrp_sendboth(IMSG_RECONF_INSTANCE, eigrp,
|
|
sizeof(*eigrp)) == -1)
|
|
return (-1);
|
|
|
|
TAILQ_FOREACH(ei, &eigrp->ei_list, e_entry) {
|
|
if (eigrp_sendboth(IMSG_RECONF_IFACE, ei->iface,
|
|
sizeof(struct iface)) == -1)
|
|
return (-1);
|
|
|
|
if (eigrp_sendboth(IMSG_RECONF_EIGRP_IFACE, ei,
|
|
sizeof(*ei)) == -1)
|
|
return (-1);
|
|
}
|
|
}
|
|
|
|
if (eigrp_sendboth(IMSG_RECONF_END, NULL, 0) == -1)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
eigrp_reload(void)
|
|
{
|
|
struct eigrpd_conf *xconf;
|
|
|
|
if ((xconf = parse_config(conffile)) == NULL)
|
|
return (-1);
|
|
|
|
if (main_imsg_send_config(xconf) == -1)
|
|
return (-1);
|
|
|
|
merge_config(eigrpd_conf, xconf, PROC_MAIN);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
eigrp_sendboth(enum imsg_type type, void *buf, uint16_t len)
|
|
{
|
|
if (main_imsg_compose_eigrpe(type, 0, buf, len) == -1)
|
|
return (-1);
|
|
if (main_imsg_compose_rde(type, 0, buf, len) == -1)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
merge_config(struct eigrpd_conf *conf, struct eigrpd_conf *xconf,
|
|
enum eigrpd_process proc)
|
|
{
|
|
struct iface *iface, *itmp, *xi;
|
|
struct eigrp *eigrp, *etmp, *xe;
|
|
|
|
conf->rtr_id = xconf->rtr_id;
|
|
conf->flags = xconf->flags;
|
|
conf->rdomain= xconf->rdomain;
|
|
conf->fib_priority_internal = xconf->fib_priority_internal;
|
|
conf->fib_priority_external = xconf->fib_priority_external;
|
|
conf->fib_priority_summary = xconf->fib_priority_summary;
|
|
|
|
/* merge instances */
|
|
TAILQ_FOREACH_SAFE(eigrp, &conf->instances, entry, etmp) {
|
|
/* find deleted instances */
|
|
if ((xe = eigrp_find(xconf, eigrp->af, eigrp->as)) == NULL) {
|
|
TAILQ_REMOVE(&conf->instances, eigrp, entry);
|
|
|
|
switch (proc) {
|
|
case PROC_RDE_ENGINE:
|
|
rde_instance_del(eigrp);
|
|
break;
|
|
case PROC_EIGRP_ENGINE:
|
|
eigrpe_instance_del(eigrp);
|
|
break;
|
|
case PROC_MAIN:
|
|
free(eigrp);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
TAILQ_FOREACH_SAFE(xe, &xconf->instances, entry, etmp) {
|
|
/* find new instances */
|
|
if ((eigrp = eigrp_find(conf, xe->af, xe->as)) == NULL) {
|
|
TAILQ_REMOVE(&xconf->instances, xe, entry);
|
|
TAILQ_INSERT_TAIL(&conf->instances, xe, entry);
|
|
|
|
switch (proc) {
|
|
case PROC_RDE_ENGINE:
|
|
rde_instance_init(xe);
|
|
break;
|
|
case PROC_EIGRP_ENGINE:
|
|
eigrpe_instance_init(xe);
|
|
break;
|
|
case PROC_MAIN:
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* update existing instances */
|
|
merge_instances(conf, eigrp, xe);
|
|
}
|
|
|
|
/* merge interfaces */
|
|
TAILQ_FOREACH_SAFE(iface, &conf->iface_list, entry, itmp) {
|
|
/* find deleted ifaces */
|
|
if ((xi = if_lookup(xconf, iface->ifindex)) == NULL) {
|
|
TAILQ_REMOVE(&conf->iface_list, iface, entry);
|
|
free(iface);
|
|
}
|
|
}
|
|
TAILQ_FOREACH_SAFE(xi, &xconf->iface_list, entry, itmp) {
|
|
/* find new ifaces */
|
|
if ((iface = if_lookup(conf, xi->ifindex)) == NULL) {
|
|
TAILQ_REMOVE(&xconf->iface_list, xi, entry);
|
|
TAILQ_INSERT_TAIL(&conf->iface_list, xi, entry);
|
|
continue;
|
|
}
|
|
|
|
/* TODO update existing ifaces */
|
|
}
|
|
|
|
/* resend addresses to activate new interfaces */
|
|
if (proc == PROC_MAIN)
|
|
kif_redistribute();
|
|
|
|
free(xconf);
|
|
}
|
|
|
|
static void
|
|
merge_instances(struct eigrpd_conf *xconf, struct eigrp *eigrp, struct eigrp *xe)
|
|
{
|
|
/* TODO */
|
|
}
|
|
|
|
struct eigrpd_conf *
|
|
config_new_empty(void)
|
|
{
|
|
struct eigrpd_conf *xconf;
|
|
|
|
xconf = calloc(1, sizeof(*xconf));
|
|
if (xconf == NULL)
|
|
fatal(NULL);
|
|
|
|
TAILQ_INIT(&xconf->instances);
|
|
TAILQ_INIT(&xconf->iface_list);
|
|
|
|
return (xconf);
|
|
}
|
|
|
|
void
|
|
config_clear(struct eigrpd_conf *conf, enum eigrpd_process proc)
|
|
{
|
|
struct eigrpd_conf *xconf;
|
|
|
|
/* merge current config with an empty config */
|
|
xconf = config_new_empty();
|
|
merge_config(conf, xconf, proc);
|
|
|
|
free(conf);
|
|
}
|