#include "zclient.h"
#include "vrf.h"
#include "filter.h"
-#include "sockopt.h"
#include "qobj.h"
+#include "libfrr.h"
static void ldpd_shutdown(void);
-static pid_t start_child(enum ldpd_process, char *, int, int,
- const char *, const char *, const char *);
+static pid_t start_child(enum ldpd_process, char *, int, int);
static int main_dispatch_ldpe(struct thread *);
static int main_dispatch_lde(struct thread *);
static int main_imsg_send_ipc_sockets(struct imsgbuf *,
static void main_imsg_send_net_sockets(int);
static void main_imsg_send_net_socket(int, enum socket_type);
static int main_imsg_send_config(struct ldpd_conf *);
-static void ldp_config_normalize(struct ldpd_conf *, void **);
-static void ldp_config_reset_main(struct ldpd_conf *, void **);
-static void ldp_config_reset_af(struct ldpd_conf *, int, void **);
-static void merge_config_ref(struct ldpd_conf *, struct ldpd_conf *, void **);
+static void ldp_config_normalize(struct ldpd_conf *);
+static void ldp_config_reset_main(struct ldpd_conf *);
+static void ldp_config_reset_af(struct ldpd_conf *, int);
+static void ldp_config_reset_l2vpns(struct ldpd_conf *);
static void merge_global(struct ldpd_conf *, struct ldpd_conf *);
static void merge_af(int, struct ldpd_af_conf *,
struct ldpd_af_conf *);
-static void merge_ifaces(struct ldpd_conf *, struct ldpd_conf *, void **);
+static void merge_ifaces(struct ldpd_conf *, struct ldpd_conf *);
static void merge_iface_af(struct iface_af *, struct iface_af *);
-static void merge_tnbrs(struct ldpd_conf *, struct ldpd_conf *, void **);
-static void merge_nbrps(struct ldpd_conf *, struct ldpd_conf *, void **);
-static void merge_l2vpns(struct ldpd_conf *, struct ldpd_conf *, void **);
+static void merge_tnbrs(struct ldpd_conf *, struct ldpd_conf *);
+static void merge_nbrps(struct ldpd_conf *, struct ldpd_conf *);
+static void merge_l2vpns(struct ldpd_conf *, struct ldpd_conf *);
static void merge_l2vpn(struct ldpd_conf *, struct l2vpn *,
- struct l2vpn *, void **);
+ struct l2vpn *);
DEFINE_QOBJ_TYPE(iface)
DEFINE_QOBJ_TYPE(tnbr)
DEFINE_QOBJ_TYPE(ldpd_conf)
struct ldpd_global global;
-struct ldpd_conf *ldpd_conf;
+struct ldpd_init init;
+struct ldpd_conf *ldpd_conf, *vty_conf;
static struct imsgev *iev_ldpe, *iev_ldpe_sync;
static struct imsgev *iev_lde, *iev_lde_sync;
/* Master of threads. */
struct thread_master *master;
-/* Process ID saved for use by init system */
-static const char *pid_file = PATH_LDPD_PID;
-
-/* Configuration filename and directory. */
-static char config_default[] = SYSCONFDIR LDP_DEFAULT_CONFIG;
+static struct frr_daemon_info ldpd_di;
/* ldpd privileges */
static zebra_capabilities_t _caps_p [] =
.cap_num_i = 0
};
-/* VTY Socket prefix */
-char vty_sock_path[MAXPATHLEN] = LDP_VTYSH_PATH;
-
/* CTL Socket path */
char ctl_sock_path[MAXPATHLEN] = LDPD_SOCKET;
/* LDPd options. */
-#define OPTION_VTYSOCK 1000
#define OPTION_CTLSOCK 1001
static struct option longopts[] =
{
- { "daemon", no_argument, NULL, 'd'},
- { "config_file", required_argument, NULL, 'f'},
- { "pid_file", required_argument, NULL, 'i'},
- { "socket", required_argument, NULL, 'z'},
- { "dryrun", no_argument, NULL, 'C'},
- { "help", no_argument, NULL, 'h'},
- { "vty_addr", required_argument, NULL, 'A'},
- { "vty_port", required_argument, NULL, 'P'},
- { "vty_socket", required_argument, NULL, OPTION_VTYSOCK},
{ "ctl_socket", required_argument, NULL, OPTION_CTLSOCK},
- { "user", required_argument, NULL, 'u'},
- { "group", required_argument, NULL, 'g'},
- { "version", no_argument, NULL, 'v'},
+ { "instance", required_argument, NULL, 'n'},
{ 0 }
};
-/* Help information display. */
-static void __attribute__ ((noreturn))
-usage(char *progname, int status)
-{
- if (status != 0)
- fprintf(stderr, "Try `%s --help' for more information.\n",
- progname);
- else {
- printf("Usage : %s [OPTION...]\n\
-Daemon which manages LDP.\n\n\
--d, --daemon Runs in daemon mode\n\
--f, --config_file Set configuration file name\n\
--i, --pid_file Set process identifier file name\n\
--z, --socket Set path of zebra socket\n\
--A, --vty_addr Set vty's bind address\n\
--P, --vty_port Set vty's port number\n\
- --vty_socket Override vty socket path\n\
- --ctl_socket Override ctl socket path\n\
--u, --user User to run as\n\
--g, --group Group to run as\n\
--v, --version Print program version\n\
--C, --dryrun Check configuration for validity and exit\n\
--h, --help Display this help and exit\n\
-\n\
-Report bugs to %s\n", progname, FRR_BUG_ADDRESS);
- }
-
- exit(status);
-}
-
/* SIGHUP handler. */
static void
sighup(void)
{
log_info("SIGHUP received");
+
+ /* reset vty_conf */
+ ldp_config_reset_main(vty_conf);
+ ldp_config_reset_l2vpns(vty_conf);
+
+ /* read configuration file without applying any changes */
+ global.sighup = 1;
+ vty_read_config(ldpd_di.config_file, config_default);
+ global.sighup = 0;
+
+ /*
+ * Apply the new configuration all at once, this way merge_config()
+ * will be the least disruptive as possible.
+ */
+ ldp_reload(vty_conf);
}
/* SIGINT / SIGTERM handler. */
static void
sigusr1(void)
{
- zlog_rotate(NULL);
+ zlog_rotate();
}
static struct quagga_signal_t ldp_signals[] =
}
};
+FRR_DAEMON_INFO(ldpd, LDP,
+ .vty_port = LDP_VTY_PORT,
+
+ .proghelp = "Implementation of the LDP protocol.",
+
+ .signals = ldp_signals,
+ .n_signals = array_size(ldp_signals),
+
+ .privs = &ldpd_privs,
+)
+
int
main(int argc, char *argv[])
{
int lflag = 0, eflag = 0;
int pipe_parent2ldpe[2], pipe_parent2ldpe_sync[2];
int pipe_parent2lde[2], pipe_parent2lde_sync[2];
- char *p;
- char *vty_addr = NULL;
- int vty_port = LDP_VTY_PORT;
- char *ctl_sock_custom_path = NULL;
char *ctl_sock_name;
- int daemon_mode = 0;
- const char *user = NULL;
- const char *group = NULL;
- char *config_file = NULL;
- char *progname;
- struct thread thread;
- int dryrun = 0;
ldpd_process = PROC_MAIN;
-
- /* Set umask before anything for security */
- umask(0027);
-
- /* get program name */
- progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
+ log_procname = log_procnames[ldpd_process];
saved_argv0 = argv[0];
if (saved_argv0 == NULL)
saved_argv0 = (char *)"ldpd";
+ frr_preinit(&ldpd_di, argc, argv);
+ frr_opt_add("LEn:", longopts,
+ " --ctl_socket Override ctl socket path\n"
+ "-n, --instance Instance id\n");
+
while (1) {
int opt;
- opt = getopt_long(argc, argv, "df:i:z:hA:P:u:g:vCLE",
- longopts, 0);
+ opt = frr_getopt(argc, argv, NULL);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
- case 'd':
- daemon_mode = 1;
- break;
- case 'f':
- config_file = optarg;
- break;
- case 'A':
- vty_addr = optarg;
- break;
- case 'i':
- pid_file = optarg;
- break;
- case 'z':
- zclient_serv_path_set(optarg);
- break;
- case 'P':
- /*
- * Deal with atoi() returning 0 on failure, and ldpd
- * not listening on ldpd port.
- */
- if (strcmp(optarg, "0") == 0) {
- vty_port = 0;
- break;
- }
- vty_port = atoi(optarg);
- if (vty_port <= 0 || vty_port > 0xffff)
- vty_port = LDP_VTY_PORT;
- break;
- case OPTION_VTYSOCK:
- set_socket_path(vty_sock_path, LDP_VTYSH_PATH, optarg, sizeof (vty_sock_path));
- break;
case OPTION_CTLSOCK:
ctl_sock_name = strrchr(LDPD_SOCKET, '/');
if (ctl_sock_name)
* sensible config
*/
ctl_sock_name = (char *)LDPD_SOCKET;
- ctl_sock_custom_path = optarg;
- strlcpy(ctl_sock_path, ctl_sock_custom_path,
- sizeof(ctl_sock_path));
+ strlcpy(ctl_sock_path, optarg, sizeof(ctl_sock_path));
strlcat(ctl_sock_path, "/", sizeof(ctl_sock_path));
strlcat(ctl_sock_path, ctl_sock_name,
sizeof(ctl_sock_path));
break;
- case 'u':
- user = optarg;
- break;
- case 'g':
- group = optarg;
- break;
- case 'v':
- print_version(progname);
- exit(0);
- break;
- case 'C':
- dryrun = 1;
- break;
- case 'h':
- usage(progname, 0);
+ case 'n':
+ init.instance = atoi(optarg);
+ if (init.instance < 1)
+ exit(0);
break;
case 'L':
lflag = 1;
eflag = 1;
break;
default:
- usage(progname, 1);
+ frr_help_exit(1);
break;
}
}
+ strlcpy(init.user, ldpd_privs.user, sizeof(init.user));
+ strlcpy(init.group, ldpd_privs.group, sizeof(init.group));
+ strlcpy(init.ctl_sock_path, ctl_sock_path, sizeof(init.ctl_sock_path));
+ strlcpy(init.zclient_serv_path, zclient_serv_path_get(),
+ sizeof(init.zclient_serv_path));
+
argc -= optind;
argv += optind;
if (argc > 0 || (lflag && eflag))
- usage(progname, 1);
+ frr_help_exit(1);
/* check for root privileges */
if (geteuid() != 0) {
errno = EPERM;
- perror(progname);
+ perror(ldpd_di.progname);
exit(1);
}
- zlog_default = openzlog(progname, ZLOG_LDP, 0,
+ openzlog(ldpd_di.progname, "LDP", 0,
LOG_CONS | LOG_NDELAY | LOG_PID, LOG_DAEMON);
if (lflag)
- lde(user, group);
+ lde();
else if (eflag)
- ldpe(user, group, ctl_sock_path);
-
- master = thread_master_create();
-
- cmd_init(1);
- vty_config_lockless ();
- vty_init(master);
- vrf_init();
- access_list_init ();
- ldp_vty_init();
- ldp_vty_if_init();
-
- /* Get configuration file. */
- ldpd_conf = config_new_empty();
- ldp_config_reset_main(ldpd_conf, NULL);
- vty_read_config(config_file, config_default);
-
- /* Start execution only if not in dry-run mode */
- if (dryrun)
- exit(0);
-
- QOBJ_REG (ldpd_conf, ldpd_conf);
-
- if (daemon_mode && daemon(0, 0) < 0) {
- log_warn("LDPd daemon failed");
- exit(1);
- }
+ ldpe();
if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_parent2ldpe) == -1)
fatal("socketpair");
/* start children */
lde_pid = start_child(PROC_LDE_ENGINE, saved_argv0,
- pipe_parent2lde[1], pipe_parent2lde_sync[1],
- user, group, ctl_sock_custom_path);
+ pipe_parent2lde[1], pipe_parent2lde_sync[1]);
ldpe_pid = start_child(PROC_LDP_ENGINE, saved_argv0,
- pipe_parent2ldpe[1], pipe_parent2ldpe_sync[1],
- user, group, ctl_sock_custom_path);
+ pipe_parent2ldpe[1], pipe_parent2ldpe_sync[1]);
/* drop privileges */
- if (user)
- ldpd_privs.user = user;
- if (group)
- ldpd_privs.group = group;
zprivs_init(&ldpd_privs);
/* setup signal handler */
signal_init(master, array_size(ldp_signals), ldp_signals);
+ /* thread master */
+ master = thread_master_create();
+
/* library inits */
+ cmd_init(1);
+ vty_config_lockless();
+ vty_init(master);
+ vrf_init();
+ access_list_init();
+ ldp_vty_init();
ldp_zebra_init(master);
+ /* create base configuration with sane defaults */
+ ldpd_conf = config_new_empty();
+ ldp_config_reset_main(ldpd_conf);
+
+ /*
+ * Create vty_conf as a duplicate of the main configuration. All
+ * configuration requests (e.g. CLI) act on vty_conf and then call
+ * ldp_reload() to merge the changes into ldpd_conf.
+ */
+ vty_conf = config_new_empty();
+ ldp_config_reset_main(vty_conf);
+ QOBJ_REG(vty_conf, ldpd_conf);
+
+ /* read configuration file and daemonize */
+ frr_config_fork();
+
/* setup pipes to children */
if ((iev_ldpe = calloc(1, sizeof(struct imsgev))) == NULL ||
(iev_ldpe_sync = calloc(1, sizeof(struct imsgev))) == NULL ||
if (main_imsg_send_ipc_sockets(&iev_ldpe->ibuf, &iev_lde->ibuf))
fatal("could not establish imsg links");
+ main_imsg_compose_both(IMSG_INIT, &init, sizeof(init));
main_imsg_compose_both(IMSG_DEBUG_UPDATE, &ldp_debug,
sizeof(ldp_debug));
main_imsg_send_config(ldpd_conf);
if (ldpd_conf->ipv6.flags & F_LDPD_AF_ENABLED)
main_imsg_send_net_sockets(AF_INET6);
- /* Process id file create. */
- pid_output(pid_file);
-
- /* Create VTY socket */
- vty_serv_sock(vty_addr, vty_port, vty_sock_path);
-
- /* Print banner. */
- log_notice("LDPd %s starting: vty@%d", FRR_VERSION, vty_port);
-
- /* Fetch next active thread. */
- while (thread_fetch(master, &thread))
- thread_call(&thread);
+ frr_run(master);
/* NOTREACHED */
return (0);
config_clear(ldpd_conf);
+ ldp_config_reset_main(vty_conf);
+ ldp_config_reset_l2vpns(vty_conf);
+ QOBJ_UNREG(vty_conf);
+ free(vty_conf);
+
log_debug("waiting for children to terminate");
do {
pid = wait(&status);
ldp_zebra_destroy();
zprivs_terminate(&ldpd_privs);
thread_master_free(master);
- closezlog(zlog_default);
+ closezlog();
exit(0);
}
static pid_t
-start_child(enum ldpd_process p, char *argv0, int fd_async, int fd_sync,
- const char *user, const char *group, const char *ctl_sock_custom_path)
+start_child(enum ldpd_process p, char *argv0, int fd_async, int fd_sync)
{
- char *argv[9];
+ char *argv[3];
int argc = 0;
pid_t pid;
argv[argc++] = (char *)"-E";
break;
}
- if (user) {
- argv[argc++] = (char *)"-u";
- argv[argc++] = (char *)user;
- }
- if (group) {
- argv[argc++] = (char *)"-g";
- argv[argc++] = (char *)group;
- }
- if (ctl_sock_custom_path) {
- argv[argc++] = (char *)"--ctl_socket";
- argv[argc++] = (char *)ctl_sock_custom_path;
- }
argv[argc++] = NULL;
execvp(argv0, argv);
}
int
-ldp_reload_ref(struct ldpd_conf *xconf, void **ref)
+ldp_reload(struct ldpd_conf *xconf)
{
- ldp_config_normalize(xconf, ref);
+ if (global.sighup)
+ return (0);
+
+ ldp_config_normalize(xconf);
if (main_imsg_send_config(xconf) == -1)
return (-1);
- merge_config_ref(ldpd_conf, xconf, ref);
+ merge_config(ldpd_conf, xconf);
return (0);
}
-int
-ldp_reload(struct ldpd_conf *xconf)
-{
- return ldp_reload_ref(xconf, NULL);
-}
-
static void
-ldp_config_normalize(struct ldpd_conf *xconf, void **ref)
+ldp_config_normalize(struct ldpd_conf *xconf)
{
+ struct iface *iface, *itmp;
+ struct nbr_params *nbrp, *ntmp;
struct l2vpn *l2vpn;
- struct l2vpn_pw *pw;
+ struct l2vpn_pw *pw, *ptmp;
if (!(xconf->flags & F_LDPD_ENABLED))
- ldp_config_reset_main(xconf, ref);
+ ldp_config_reset_main(xconf);
else {
if (!(xconf->ipv4.flags & F_LDPD_AF_ENABLED))
- ldp_config_reset_af(xconf, AF_INET, ref);
+ ldp_config_reset_af(xconf, AF_INET);
if (!(xconf->ipv6.flags & F_LDPD_AF_ENABLED))
- ldp_config_reset_af(xconf, AF_INET6, ref);
- }
+ ldp_config_reset_af(xconf, AF_INET6);
- RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) {
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) {
- if (pw->flags & F_PW_STATIC_NBR_ADDR)
+ RB_FOREACH_SAFE(iface, iface_head, &xconf->iface_tree, itmp) {
+ if (iface->ipv4.enabled || iface->ipv6.enabled)
continue;
- pw->af = AF_INET;
- pw->addr.v4 = pw->lsr_id;
+ QOBJ_UNREG(iface);
+ RB_REMOVE(iface_head, &vty_conf->iface_tree, iface);
+ free(iface);
}
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) {
- if (pw->flags & F_PW_STATIC_NBR_ADDR)
+
+ RB_FOREACH_SAFE(nbrp, nbrp_head, &xconf->nbrp_tree, ntmp) {
+ if (nbrp->flags & (F_NBRP_KEEPALIVE|F_NBRP_GTSM))
+ continue;
+ if (nbrp->auth.method != AUTH_NONE)
continue;
- pw->af = AF_INET;
- pw->addr.v4 = pw->lsr_id;
+ QOBJ_UNREG(nbrp);
+ RB_REMOVE(nbrp_head, &vty_conf->nbrp_tree, nbrp);
+ free(nbrp);
+ }
+ }
+
+ RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) {
+ RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_tree, ptmp) {
+ if (!(pw->flags & F_PW_STATIC_NBR_ADDR)) {
+ pw->af = AF_INET;
+ pw->addr.v4 = pw->lsr_id;
+ }
+
+ if (pw->lsr_id.s_addr != INADDR_ANY && pw->pwid != 0)
+ continue;
+ RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw);
+ RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
+ }
+ RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree,
+ ptmp) {
+ if (!(pw->flags & F_PW_STATIC_NBR_ADDR)) {
+ pw->af = AF_INET;
+ pw->addr.v4 = pw->lsr_id;
+ }
+
+ if (pw->lsr_id.s_addr == INADDR_ANY || pw->pwid == 0)
+ continue;
+ RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
+ RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw);
}
}
}
static void
-ldp_config_reset_main(struct ldpd_conf *conf, void **ref)
+ldp_config_reset_main(struct ldpd_conf *conf)
{
struct iface *iface;
struct nbr_params *nbrp;
while ((iface = RB_ROOT(&conf->iface_tree)) != NULL) {
- if (ref && *ref == iface)
- *ref = NULL;
+ QOBJ_UNREG(iface);
RB_REMOVE(iface_head, &conf->iface_tree, iface);
free(iface);
}
while ((nbrp = RB_ROOT(&conf->nbrp_tree)) != NULL) {
- if (ref && *ref == nbrp)
- *ref = NULL;
+ QOBJ_UNREG(nbrp);
RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp);
free(nbrp);
}
conf->rtr_id.s_addr = INADDR_ANY;
- ldp_config_reset_af(conf, AF_INET, ref);
- ldp_config_reset_af(conf, AF_INET6, ref);
+ ldp_config_reset_af(conf, AF_INET);
+ ldp_config_reset_af(conf, AF_INET6);
conf->lhello_holdtime = LINK_DFLT_HOLDTIME;
conf->lhello_interval = DEFAULT_HELLO_INTERVAL;
conf->thello_holdtime = TARGETED_DFLT_HOLDTIME;
}
static void
-ldp_config_reset_af(struct ldpd_conf *conf, int af, void **ref)
+ldp_config_reset_af(struct ldpd_conf *conf, int af)
{
struct ldpd_af_conf *af_conf;
struct iface *iface;
if (tnbr->af != af)
continue;
- if (ref && *ref == tnbr)
- *ref = NULL;
+ QOBJ_UNREG(tnbr);
RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr);
free(tnbr);
}
af_conf->flags = 0;
}
-struct ldpd_conf *
-ldp_dup_config_ref(struct ldpd_conf *conf, void **ref)
+static void
+ldp_config_reset_l2vpns(struct ldpd_conf *conf)
{
- struct ldpd_conf *xconf;
- struct iface *iface, *xi;
- struct tnbr *tnbr, *xt;
- struct nbr_params *nbrp, *xn;
- struct l2vpn *l2vpn, *xl;
- struct l2vpn_if *lif, *xf;
- struct l2vpn_pw *pw, *xp;
-
-#define COPY(a, b) do { \
- a = calloc(1, sizeof(*a)); \
- if (a == NULL) \
- fatal(__func__); \
- *a = *b; \
- if (ref && *ref == b) *ref = a; \
- } while (0)
-
- COPY(xconf, conf);
- RB_INIT(&xconf->iface_tree);
- RB_INIT(&xconf->tnbr_tree);
- RB_INIT(&xconf->nbrp_tree);
- RB_INIT(&xconf->l2vpn_tree);
-
- RB_FOREACH(iface, iface_head, &conf->iface_tree) {
- COPY(xi, iface);
- xi->ipv4.iface = xi;
- xi->ipv6.iface = xi;
- RB_INSERT(iface_head, &xconf->iface_tree, xi);
- }
- RB_FOREACH(tnbr, tnbr_head, &conf->tnbr_tree) {
- COPY(xt, tnbr);
- RB_INSERT(tnbr_head, &xconf->tnbr_tree, xt);
- }
- RB_FOREACH(nbrp, nbrp_head, &conf->nbrp_tree) {
- COPY(xn, nbrp);
- RB_INSERT(nbrp_head, &xconf->nbrp_tree, xn);
- }
- RB_FOREACH(l2vpn, l2vpn_head, &conf->l2vpn_tree) {
- COPY(xl, l2vpn);
- RB_INIT(&xl->if_tree);
- RB_INIT(&xl->pw_tree);
- RB_INIT(&xl->pw_inactive_tree);
- RB_INSERT(l2vpn_head, &xconf->l2vpn_tree, xl);
+ struct l2vpn *l2vpn;
+ struct l2vpn_if *lif;
+ struct l2vpn_pw *pw;
- RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree) {
- COPY(xf, lif);
- xf->l2vpn = xl;
- RB_INSERT(l2vpn_if_head, &xl->if_tree, xf);
+ while ((l2vpn = RB_ROOT(&conf->l2vpn_tree)) != NULL) {
+ while ((lif = RB_ROOT(&l2vpn->if_tree)) != NULL) {
+ QOBJ_UNREG(lif);
+ RB_REMOVE(l2vpn_if_head, &l2vpn->if_tree, lif);
+ free(lif);
}
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) {
- COPY(xp, pw);
- xp->l2vpn = xl;
- RB_INSERT(l2vpn_pw_head, &xl->pw_tree, xp);
+ while ((pw = RB_ROOT(&l2vpn->pw_tree)) != NULL) {
+ QOBJ_UNREG(pw);
+ RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw);
+ free(pw);
}
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) {
- COPY(xp, pw);
- xp->l2vpn = xl;
- RB_INSERT(l2vpn_pw_head, &xl->pw_inactive_tree, xp);
+ while ((pw = RB_ROOT(&l2vpn->pw_inactive_tree)) != NULL) {
+ QOBJ_UNREG(pw);
+ RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
+ free(pw);
}
+ QOBJ_UNREG(l2vpn);
+ RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn);
+ free(l2vpn);
}
-#undef COPY
-
- return (xconf);
-}
-
-struct ldpd_conf *
-ldp_dup_config(struct ldpd_conf *conf)
-{
- return ldp_dup_config_ref(conf, NULL);
}
void
free(xconf);
}
-static void
-merge_config_ref(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref)
-{
- merge_global(conf, xconf);
- merge_af(AF_INET, &conf->ipv4, &xconf->ipv4);
- merge_af(AF_INET6, &conf->ipv6, &xconf->ipv6);
- merge_ifaces(conf, xconf, ref);
- merge_tnbrs(conf, xconf, ref);
- merge_nbrps(conf, xconf, ref);
- merge_l2vpns(conf, xconf, ref);
- if (ref && *ref == xconf)
- *ref = conf;
- free(xconf);
-}
+#define COPY(a, b) do { \
+ a = malloc(sizeof(*a)); \
+ if (a == NULL) \
+ fatal(__func__); \
+ *a = *b; \
+ } while (0)
void
merge_config(struct ldpd_conf *conf, struct ldpd_conf *xconf)
{
- merge_config_ref(conf, xconf, NULL);
+ merge_global(conf, xconf);
+ merge_af(AF_INET, &conf->ipv4, &xconf->ipv4);
+ merge_af(AF_INET6, &conf->ipv6, &xconf->ipv6);
+ merge_ifaces(conf, xconf);
+ merge_tnbrs(conf, xconf);
+ merge_nbrps(conf, xconf);
+ merge_l2vpns(conf, xconf);
}
static void
}
static void
-merge_ifaces(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref)
+merge_ifaces(struct ldpd_conf *conf, struct ldpd_conf *xconf)
{
struct iface *iface, *itmp, *xi;
RB_FOREACH_SAFE(iface, iface_head, &conf->iface_tree, itmp) {
/* find deleted interfaces */
if ((xi = if_lookup_name(xconf, iface->name)) == NULL) {
- RB_REMOVE(iface_head, &conf->iface_tree, iface);
-
switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- break;
case PROC_LDP_ENGINE:
- if_exit(iface);
+ ldpe_if_exit(iface);
break;
+ case PROC_LDE_ENGINE:
case PROC_MAIN:
- QOBJ_UNREG (iface);
break;
}
+ RB_REMOVE(iface_head, &conf->iface_tree, iface);
free(iface);
}
}
RB_FOREACH_SAFE(xi, iface_head, &xconf->iface_tree, itmp) {
/* find new interfaces */
if ((iface = if_lookup_name(conf, xi->name)) == NULL) {
- RB_REMOVE(iface_head, &xconf->iface_tree, xi);
- RB_INSERT(iface_head, &conf->iface_tree, xi);
+ COPY(iface, xi);
+ RB_INSERT(iface_head, &conf->iface_tree, iface);
- if (ldpd_process == PROC_MAIN) {
- QOBJ_REG (xi, iface);
+ switch (ldpd_process) {
+ case PROC_LDP_ENGINE:
+ ldpe_if_init(iface);
+ break;
+ case PROC_LDE_ENGINE:
+ break;
+ case PROC_MAIN:
/* resend addresses to activate new interfaces */
- kif_redistribute(xi->name);
+ kif_redistribute(iface->name);
+ break;
}
continue;
}
/* update existing interfaces */
merge_iface_af(&iface->ipv4, &xi->ipv4);
merge_iface_af(&iface->ipv6, &xi->ipv6);
- RB_REMOVE(iface_head, &xconf->iface_tree, xi);
- if (ref && *ref == xi)
- *ref = iface;
- free(xi);
}
}
if (ia->enabled != xi->enabled) {
ia->enabled = xi->enabled;
if (ldpd_process == PROC_LDP_ENGINE)
- if_update(ia->iface, ia->af);
+ ldp_if_update(ia->iface, ia->af);
}
ia->hello_holdtime = xi->hello_holdtime;
ia->hello_interval = xi->hello_interval;
}
static void
-merge_tnbrs(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref)
+merge_tnbrs(struct ldpd_conf *conf, struct ldpd_conf *xconf)
{
struct tnbr *tnbr, *ttmp, *xt;
/* find deleted tnbrs */
if ((xt = tnbr_find(xconf, tnbr->af, &tnbr->addr)) == NULL) {
switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr);
- free(tnbr);
- break;
case PROC_LDP_ENGINE:
tnbr->flags &= ~F_TNBR_CONFIGURED;
tnbr_check(conf, tnbr);
break;
+ case PROC_LDE_ENGINE:
case PROC_MAIN:
RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr);
- QOBJ_UNREG (tnbr);
free(tnbr);
break;
}
RB_FOREACH_SAFE(xt, tnbr_head, &xconf->tnbr_tree, ttmp) {
/* find new tnbrs */
if ((tnbr = tnbr_find(conf, xt->af, &xt->addr)) == NULL) {
- RB_REMOVE(tnbr_head, &xconf->tnbr_tree, xt);
- RB_INSERT(tnbr_head, &conf->tnbr_tree, xt);
+ COPY(tnbr, xt);
+ RB_INSERT(tnbr_head, &conf->tnbr_tree, tnbr);
switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- break;
case PROC_LDP_ENGINE:
- tnbr_update(xt);
+ tnbr_update(tnbr);
break;
+ case PROC_LDE_ENGINE:
case PROC_MAIN:
- QOBJ_REG (xt, tnbr);
break;
}
continue;
/* update existing tnbrs */
if (!(tnbr->flags & F_TNBR_CONFIGURED))
tnbr->flags |= F_TNBR_CONFIGURED;
- RB_REMOVE(tnbr_head, &xconf->tnbr_tree, xt);
- if (ref && *ref == xt)
- *ref = tnbr;
- free(xt);
}
}
static void
-merge_nbrps(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref)
+merge_nbrps(struct ldpd_conf *conf, struct ldpd_conf *xconf)
{
struct nbr_params *nbrp, *ntmp, *xn;
struct nbr *nbr;
/* find deleted nbrps */
if ((xn = nbr_params_find(xconf, nbrp->lsr_id)) == NULL) {
switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- break;
case PROC_LDP_ENGINE:
nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr);
if (nbr) {
nbr->af))->ldp_session_socket,
nbr->af, &nbr->raddr, NULL);
#endif
+ nbr->auth.method = AUTH_NONE;
if (nbr_session_active_role(nbr))
nbr_establish_connection(nbr);
}
break;
+ case PROC_LDE_ENGINE:
case PROC_MAIN:
- QOBJ_UNREG (nbrp);
break;
}
RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp);
RB_FOREACH_SAFE(xn, nbrp_head, &xconf->nbrp_tree, ntmp) {
/* find new nbrps */
if ((nbrp = nbr_params_find(conf, xn->lsr_id)) == NULL) {
- RB_REMOVE(nbrp_head, &xconf->nbrp_tree, xn);
- RB_INSERT(nbrp_head, &conf->nbrp_tree, xn);
+ COPY(nbrp, xn);
+ RB_INSERT(nbrp_head, &conf->nbrp_tree, nbrp);
switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- break;
case PROC_LDP_ENGINE:
- nbr = nbr_find_ldpid(xn->lsr_id.s_addr);
+ nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr);
if (nbr) {
session_shutdown(nbr, S_SHUTDOWN, 0, 0);
+ nbr->auth.method = nbrp->auth.method;
#ifdef __OpenBSD__
- if (pfkey_establish(nbr, xn) == -1)
+ if (pfkey_establish(nbr, nbrp) == -1)
fatalx("pfkey setup failed");
#else
sock_set_md5sig(
(ldp_af_global_get(&global,
nbr->af))->ldp_session_socket,
nbr->af, &nbr->raddr,
- xn->auth.md5key);
+ nbrp->auth.md5key);
#endif
if (nbr_session_active_role(nbr))
nbr_establish_connection(nbr);
}
break;
+ case PROC_LDE_ENGINE:
case PROC_MAIN:
- QOBJ_REG (xn, nbr_params);
break;
}
continue;
session_shutdown(nbr, S_SHUTDOWN, 0, 0);
#ifdef __OpenBSD__
pfkey_remove(nbr);
+ nbr->auth.method = nbrp->auth.method;
if (pfkey_establish(nbr, nbrp) == -1)
fatalx("pfkey setup failed");
#else
+ nbr->auth.method = nbrp->auth.method;
sock_set_md5sig((ldp_af_global_get(&global,
nbr->af))->ldp_session_socket, nbr->af,
&nbr->raddr, nbrp->auth.md5key);
nbr_establish_connection(nbr);
}
}
- RB_REMOVE(nbrp_head, &xconf->nbrp_tree, xn);
- if (ref && *ref == xn)
- *ref = nbrp;
- free(xn);
}
}
static void
-merge_l2vpns(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref)
+merge_l2vpns(struct ldpd_conf *conf, struct ldpd_conf *xconf)
{
struct l2vpn *l2vpn, *ltmp, *xl;
- struct l2vpn_if *lif;
- struct l2vpn_pw *pw;
RB_FOREACH_SAFE(l2vpn, l2vpn_head, &conf->l2vpn_tree, ltmp) {
/* find deleted l2vpns */
if ((xl = l2vpn_find(xconf, l2vpn->name)) == NULL) {
- RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn);
-
switch (ldpd_process) {
case PROC_LDE_ENGINE:
l2vpn_exit(l2vpn);
ldpe_l2vpn_exit(l2vpn);
break;
case PROC_MAIN:
- RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree)
- QOBJ_UNREG (lif);
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree)
- QOBJ_UNREG (pw);
- RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree)
- QOBJ_UNREG (pw);
- QOBJ_UNREG (l2vpn);
break;
}
+ RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn);
l2vpn_del(l2vpn);
}
}
RB_FOREACH_SAFE(xl, l2vpn_head, &xconf->l2vpn_tree, ltmp) {
/* find new l2vpns */
if ((l2vpn = l2vpn_find(conf, xl->name)) == NULL) {
- RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, xl);
- RB_INSERT(l2vpn_head, &conf->l2vpn_tree, xl);
+ COPY(l2vpn, xl);
+ RB_INSERT(l2vpn_head, &conf->l2vpn_tree, l2vpn);
+ RB_INIT(&l2vpn->if_tree);
+ RB_INIT(&l2vpn->pw_tree);
+ RB_INIT(&l2vpn->pw_inactive_tree);
switch (ldpd_process) {
case PROC_LDE_ENGINE:
- l2vpn_init(xl);
+ l2vpn_init(l2vpn);
break;
case PROC_LDP_ENGINE:
- ldpe_l2vpn_init(xl);
+ ldpe_l2vpn_init(l2vpn);
break;
case PROC_MAIN:
- QOBJ_REG (xl, l2vpn);
break;
}
- continue;
}
/* update existing l2vpns */
- merge_l2vpn(conf, l2vpn, xl, ref);
- RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, xl);
- if (ref && *ref == xl)
- *ref = l2vpn;
- free(xl);
+ merge_l2vpn(conf, l2vpn, xl);
}
}
static void
-merge_l2vpn(struct ldpd_conf *xconf, struct l2vpn *l2vpn, struct l2vpn *xl, void **ref)
+merge_l2vpn(struct ldpd_conf *xconf, struct l2vpn *l2vpn, struct l2vpn *xl)
{
struct l2vpn_if *lif, *ftmp, *xf;
struct l2vpn_pw *pw, *ptmp, *xp;
struct nbr *nbr;
int reset_nbr, reinstall_pwfec, reinstall_tnbr;
- struct l2vpn_pw_head pw_aux_list;
int previous_pw_type, previous_mtu;
previous_pw_type = l2vpn->pw_type;
/* merge intefaces */
RB_FOREACH_SAFE(lif, l2vpn_if_head, &l2vpn->if_tree, ftmp) {
/* find deleted interfaces */
- if ((xf = l2vpn_if_find_name(xl, lif->ifname)) == NULL) {
- if (ldpd_process == PROC_MAIN)
- QOBJ_UNREG (lif);
+ if ((xf = l2vpn_if_find(xl, lif->ifname)) == NULL) {
RB_REMOVE(l2vpn_if_head, &l2vpn->if_tree, lif);
free(lif);
}
}
RB_FOREACH_SAFE(xf, l2vpn_if_head, &xl->if_tree, ftmp) {
/* find new interfaces */
- if ((lif = l2vpn_if_find_name(l2vpn, xf->ifname)) == NULL) {
- RB_REMOVE(l2vpn_if_head, &xl->if_tree, xf);
- RB_INSERT(l2vpn_if_head, &l2vpn->if_tree, xf);
- xf->l2vpn = l2vpn;
- if (ldpd_process == PROC_MAIN)
- QOBJ_REG (xf, l2vpn_if);
- continue;
- }
+ if ((lif = l2vpn_if_find(l2vpn, xf->ifname)) == NULL) {
+ COPY(lif, xf);
+ RB_INSERT(l2vpn_if_head, &l2vpn->if_tree, lif);
+ lif->l2vpn = l2vpn;
- RB_REMOVE(l2vpn_if_head, &xl->if_tree, xf);
- if (ref && *ref == xf)
- *ref = lif;
- free(xf);
+ switch (ldpd_process) {
+ case PROC_LDP_ENGINE:
+ case PROC_LDE_ENGINE:
+ break;
+ case PROC_MAIN:
+ kif_redistribute(lif->ifname);
+ break;
+ }
+ }
}
/* merge active pseudowires */
- RB_INIT(&pw_aux_list);
RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_tree, ptmp) {
/* find deleted active pseudowires */
- if ((xp = l2vpn_pw_find_name(xl, pw->ifname)) == NULL) {
+ if ((xp = l2vpn_pw_find_active(xl, pw->ifname)) == NULL) {
switch (ldpd_process) {
case PROC_LDE_ENGINE:
l2vpn_pw_exit(pw);
ldpe_l2vpn_pw_exit(pw);
break;
case PROC_MAIN:
- QOBJ_UNREG (pw);
break;
}
}
RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_tree, ptmp) {
/* find new active pseudowires */
- if ((pw = l2vpn_pw_find_name(l2vpn, xp->ifname)) == NULL) {
- RB_REMOVE(l2vpn_pw_head, &xl->pw_tree, xp);
- RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, xp);
- xp->l2vpn = l2vpn;
+ if ((pw = l2vpn_pw_find_active(l2vpn, xp->ifname)) == NULL) {
+ COPY(pw, xp);
+ RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw);
+ pw->l2vpn = l2vpn;
switch (ldpd_process) {
case PROC_LDE_ENGINE:
- l2vpn_pw_init(xp);
+ l2vpn_pw_init(pw);
break;
case PROC_LDP_ENGINE:
- ldpe_l2vpn_pw_init(xp);
+ ldpe_l2vpn_pw_init(pw);
break;
case PROC_MAIN:
- QOBJ_REG (xp, l2vpn_pw);
+ kif_redistribute(pw->ifname);
break;
}
continue;
else
reinstall_pwfec = 0;
- /* check if the pseudowire should be disabled */
- if (xp->lsr_id.s_addr == INADDR_ANY || xp->pwid == 0) {
- reinstall_tnbr = 0;
- reset_nbr = 0;
- reinstall_pwfec = 0;
-
- switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- l2vpn_pw_exit(pw);
- break;
- case PROC_LDP_ENGINE:
- ldpe_l2vpn_pw_exit(pw);
- break;
- case PROC_MAIN:
- break;
- }
-
- /* remove from active list */
- RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw);
- RB_INSERT(l2vpn_pw_head, &pw_aux_list, pw);
- }
-
if (ldpd_process == PROC_LDP_ENGINE) {
if (reinstall_tnbr)
ldpe_l2vpn_pw_exit(pw);
session_shutdown(nbr, S_SHUTDOWN, 0, 0);
}
}
- if (ldpd_process == PROC_LDE_ENGINE &&
- !reset_nbr && reinstall_pwfec)
+ if (ldpd_process == PROC_LDE_ENGINE && reinstall_pwfec)
l2vpn_pw_exit(pw);
pw->lsr_id = xp->lsr_id;
pw->af = xp->af;
pw->flags &= ~F_PW_STATIC_NBR_ADDR;
if (ldpd_process == PROC_LDP_ENGINE && reinstall_tnbr)
ldpe_l2vpn_pw_init(pw);
- if (ldpd_process == PROC_LDE_ENGINE &&
- !reset_nbr && reinstall_pwfec) {
+ if (ldpd_process == PROC_LDE_ENGINE && reinstall_pwfec) {
l2vpn->pw_type = xl->pw_type;
l2vpn->mtu = xl->mtu;
l2vpn_pw_init(pw);
l2vpn->pw_type = previous_pw_type;
l2vpn->mtu = previous_mtu;
}
-
- RB_REMOVE(l2vpn_pw_head, &xl->pw_tree, xp);
- if (ref && *ref == xp)
- *ref = pw;
- free(xp);
}
/* merge inactive pseudowires */
RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree, ptmp) {
/* find deleted inactive pseudowires */
- if ((xp = l2vpn_pw_find_name(xl, pw->ifname)) == NULL) {
+ if ((xp = l2vpn_pw_find_inactive(xl, pw->ifname)) == NULL) {
RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
- if (ldpd_process == PROC_MAIN)
- QOBJ_UNREG (pw);
free(pw);
}
}
RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_inactive_tree, ptmp) {
/* find new inactive pseudowires */
- if ((pw = l2vpn_pw_find_name(l2vpn, xp->ifname)) == NULL) {
- RB_REMOVE(l2vpn_pw_head, &xl->pw_inactive_tree, xp);
- RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, xp);
- xp->l2vpn = l2vpn;
- if (ldpd_process == PROC_MAIN)
- QOBJ_REG (xp, l2vpn_pw);
+ if ((pw = l2vpn_pw_find_inactive(l2vpn, xp->ifname)) == NULL) {
+ COPY(pw, xp);
+ RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
+ pw->l2vpn = l2vpn;
+
+ switch (ldpd_process) {
+ case PROC_LDE_ENGINE:
+ case PROC_LDP_ENGINE:
+ break;
+ case PROC_MAIN:
+ kif_redistribute(pw->ifname);
+ break;
+ }
continue;
}
strlcpy(pw->ifname, xp->ifname, sizeof(pw->ifname));
pw->ifindex = xp->ifindex;
pw->flags = xp->flags;
-
- /* check if the pseudowire should be activated */
- if (pw->lsr_id.s_addr != INADDR_ANY && pw->pwid != 0) {
- /* remove from inactive list */
- RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
- RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw);
-
- switch (ldpd_process) {
- case PROC_LDE_ENGINE:
- l2vpn_pw_init(pw);
- break;
- case PROC_LDP_ENGINE:
- ldpe_l2vpn_pw_init(pw);
- break;
- case PROC_MAIN:
- break;
- }
- }
-
- RB_REMOVE(l2vpn_pw_head, &xl->pw_inactive_tree, xp);
- if (ref && *ref == xp)
- *ref = pw;
- free(xp);
- }
-
- /* insert pseudowires that were disabled in the inactive list */
- RB_FOREACH_SAFE(pw, l2vpn_pw_head, &pw_aux_list, ptmp) {
- RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw);
- RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw);
}
l2vpn->pw_type = xl->pw_type;
xconf->trans_pref = conf->trans_pref;
xconf->flags = conf->flags;
merge_config(conf, xconf);
- if (ldpd_process == PROC_MAIN)
- QOBJ_UNREG (conf);
+ free(xconf);
free(conf);
}