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Diffstat (limited to 'usr.sbin/rrenumd/rrenumd.c')
-rw-r--r--usr.sbin/rrenumd/rrenumd.c659
1 files changed, 659 insertions, 0 deletions
diff --git a/usr.sbin/rrenumd/rrenumd.c b/usr.sbin/rrenumd/rrenumd.c
new file mode 100644
index 000000000000..152cf6346fd9
--- /dev/null
+++ b/usr.sbin/rrenumd/rrenumd.c
@@ -0,0 +1,659 @@
+/* $KAME: rrenumd.c,v 1.20 2000/11/08 02:40:53 itojun Exp $ */
+
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <sys/time.h>
+
+#include <string.h>
+
+#include <net/route.h>
+
+#include <netinet/in_systm.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/icmp6.h>
+
+#include <arpa/inet.h>
+
+#ifdef IPSEC
+#include <netipsec/ipsec.h>
+#endif
+
+#include <stdio.h>
+#include <err.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+
+#include "rrenumd.h"
+
+#define LL_ALLROUTERS "ff02::2"
+#define SL_ALLROUTERS "ff05::2"
+
+#define RR_MCHLIM_DEFAULT 64
+
+#ifndef IN6_IS_SCOPE_LINKLOCAL
+#define IN6_IS_SCOPE_LINKLOCAL(a) \
+ ((IN6_IS_ADDR_LINKLOCAL(a)) || \
+ (IN6_IS_ADDR_MC_LINKLOCAL(a)))
+#endif /* IN6_IS_SCOPE_LINKLOCAL */
+
+struct flags {
+ u_long debug : 1;
+ u_long fg : 1;
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ u_long policy : 1;
+#else /* IPSEC_POLICY_IPSEC */
+ u_long auth : 1;
+ u_long encrypt : 1;
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /*IPSEC*/
+};
+
+struct msghdr sndmhdr;
+struct msghdr rcvmhdr;
+struct sockaddr_in6 from;
+struct sockaddr_in6 sin6_ll_allrouters;
+
+int s4, s6;
+int with_v4dest, with_v6dest;
+struct in6_addr prefix; /* ADHOC */
+int prefixlen = 64; /* ADHOC */
+
+extern int parse(FILE **);
+
+static void show_usage(void);
+static void init_sin6(struct sockaddr_in6 *, const char *);
+#if 0
+static void join_multi(const char *);
+#endif
+static void init_globals(void);
+static void config(FILE **);
+#ifdef IPSEC_POLICY_IPSEC
+static void sock6_open(struct flags *, char *);
+static void sock4_open(struct flags *, char *);
+#else
+static void sock6_open(struct flags *);
+static void sock4_open(struct flags *);
+#endif
+static void rrenum_output(struct payload_list *, struct dst_list *);
+static void rrenum_snd_eachdst(struct payload_list *);
+#if 0
+static void rrenum_snd_fullsequence(void);
+#endif
+static void rrenum_input(int);
+int main(int, char *[]);
+
+
+/* Print usage. Don't call this after daemonized. */
+static void
+show_usage()
+{
+ fprintf(stderr, "usage: rrenumd [-c conf_file|-s] [-df"
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ "] [-P policy"
+#else /* IPSEC_POLICY_IPSEC */
+ "AE"
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /* IPSEC */
+ "]\n");
+ exit(1);
+}
+
+static void
+init_sin6(struct sockaddr_in6 *sin6, const char *addr_ascii)
+{
+ memset(sin6, 0, sizeof(*sin6));
+ sin6->sin6_len = sizeof(*sin6);
+ sin6->sin6_family = AF_INET6;
+ if (inet_pton(AF_INET6, addr_ascii, &sin6->sin6_addr) != 1)
+ ; /* XXX do something */
+}
+
+#if 0 /* XXX: not necessary ?? */
+static void
+join_multi(const char *addrname)
+{
+ struct ipv6_mreq mreq;
+
+ if (inet_pton(AF_INET6, addrname, &mreq.ipv6mr_multiaddr.s6_addr)
+ != 1) {
+ syslog(LOG_ERR, "<%s> inet_pton failed(library bug?)",
+ __func__);
+ exit(1);
+ }
+ /* ADHOC: currently join only one */
+ {
+ if ((mreq.ipv6mr_interface = if_nametoindex(ifname)) == 0) {
+ syslog(LOG_ERR, "<%s> ifname %s should be invalid: %s",
+ __func__, ifname, strerror(errno));
+ exit(1);
+ }
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_JOIN_GROUP,
+ &mreq,
+ sizeof(mreq)) < 0) {
+ syslog(LOG_ERR, "<%s> IPV6_JOIN_GROUP on %s: %s",
+ __func__, ifname, strerror(errno));
+ exit(1);
+ }
+ }
+}
+#endif
+
+static void
+init_globals()
+{
+ static struct iovec rcviov;
+ static u_char rprdata[4500]; /* maximal MTU of connected links */
+ static u_char *rcvcmsgbuf = NULL;
+ static u_char *sndcmsgbuf = NULL;
+ int sndcmsglen, rcvcmsglen;
+
+ /* init ll_allrouters */
+ init_sin6(&sin6_ll_allrouters, LL_ALLROUTERS);
+
+ /* initialize msghdr for receiving packets */
+ rcviov.iov_base = (caddr_t)rprdata;
+ rcviov.iov_len = sizeof(rprdata);
+ rcvmhdr.msg_namelen = sizeof(struct sockaddr_in6);
+ rcvmhdr.msg_iov = &rcviov;
+ rcvmhdr.msg_iovlen = 1;
+ rcvcmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
+ CMSG_SPACE(sizeof(int));
+ if (rcvcmsgbuf == NULL &&
+ (rcvcmsgbuf = (u_char *)malloc(rcvcmsglen)) == NULL) {
+ syslog(LOG_ERR, "<%s>: malloc failed", __func__);
+ exit(1);
+ }
+ rcvmhdr.msg_control = (caddr_t)rcvcmsgbuf;
+ rcvmhdr.msg_controllen = rcvcmsglen;
+
+ /* initialize msghdr for sending packets */
+ sndmhdr.msg_namelen = sizeof(struct sockaddr_in6);
+ sndmhdr.msg_iovlen = 1;
+ sndcmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
+ CMSG_SPACE(sizeof(int));
+ if (sndcmsgbuf == NULL &&
+ (sndcmsgbuf = (u_char *)malloc(sndcmsglen)) == NULL) {
+ syslog(LOG_ERR, "<%s>: malloc failed", __func__);
+ exit(1);
+ }
+ sndmhdr.msg_control = (caddr_t)sndcmsgbuf;
+ sndmhdr.msg_controllen = sndcmsglen;
+}
+
+static void
+config(FILE **fpp)
+{
+ struct payload_list *pl;
+ struct iovec *iov;
+ struct icmp6_router_renum *irr;
+ struct rr_pco_match *rpm;
+
+ if (parse(fpp) < 0) {
+ syslog(LOG_ERR, "<%s> parse failed", __func__);
+ exit(1);
+ }
+
+ /* initialize fields not configured by parser */
+ for (pl = pl_head; pl; pl = pl->pl_next) {
+ iov = (struct iovec *)&pl->pl_sndiov;
+ irr = (struct icmp6_router_renum *)&pl->pl_irr;
+ rpm = (struct rr_pco_match *)&pl->pl_rpm;
+
+ irr->rr_type = ICMP6_ROUTER_RENUMBERING;
+ irr->rr_code = 0;
+ /*
+ * now we don't support multiple PCOs in a rr message.
+ * so segment number is not supported.
+ */
+ /* TODO: rr flags config in parser */
+ irr->rr_flags |= ICMP6_RR_FLAGS_SPECSITE;
+ /* TODO: max delay config in parser */
+
+ /*
+ * means only 1 use_prefix is contained as router-renum-05.txt.
+ * now we don't support multiple PCOs in a rr message,
+ * nor multiple use_prefix in one PCO.
+ */
+ rpm->rpm_len = 4*1 +3;
+ rpm->rpm_ordinal = 0;
+ iov->iov_base = (caddr_t)irr;
+ iov->iov_len = sizeof(struct icmp6_router_renum)
+ + sizeof(struct rr_pco_match)
+ + sizeof(struct rr_pco_use);
+ }
+}
+
+static void
+sock6_open(struct flags *flags
+#ifdef IPSEC_POLICY_IPSEC
+ , char *policy
+#endif /* IPSEC_POLICY_IPSEC */
+ )
+{
+ struct icmp6_filter filt;
+ int on;
+#ifdef IPSEC
+#ifndef IPSEC_POLICY_IPSEC
+ int optval;
+#endif
+#endif
+
+ if (with_v6dest == 0)
+ return;
+ if (with_v6dest &&
+ (s6 = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6)) < 0) {
+ syslog(LOG_ERR, "<%s> socket(v6): %s", __func__,
+ strerror(errno));
+ exit(1);
+ }
+
+ /*
+ * join all routers multicast addresses.
+ */
+#if 0 /* XXX: not necessary ?? */
+ join_multi(LL_ALLROUTERS);
+ join_multi(SL_ALLROUTERS);
+#endif
+
+ /* set icmpv6 filter */
+ ICMP6_FILTER_SETBLOCKALL(&filt);
+ ICMP6_FILTER_SETPASS(ICMP6_ROUTER_RENUMBERING, &filt);
+ if (setsockopt(s6, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
+ sizeof(filt)) < 0) {
+ syslog(LOG_ERR, "<%s> IICMP6_FILTER: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+
+ /* specify to tell receiving interface */
+ on = 1;
+ if (setsockopt(s6, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on,
+ sizeof(on)) < 0) {
+ syslog(LOG_ERR, "<%s> IPV6_RECVPKTINFO: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ if (flags->policy) {
+ char *buf;
+ buf = ipsec_set_policy(policy, strlen(policy));
+ if (buf == NULL)
+ errx(1, "%s", ipsec_strerror());
+ /* XXX should handle in/out bound policy. */
+ if (setsockopt(s6, IPPROTO_IPV6, IPV6_IPSEC_POLICY,
+ buf, ipsec_get_policylen(buf)) < 0)
+ err(1, "setsockopt(IPV6_IPSEC_POLICY)");
+ free(buf);
+ }
+#else /* IPSEC_POLICY_IPSEC */
+ if (flags->auth) {
+ optval = IPSEC_LEVEL_REQUIRE;
+ if (setsockopt(s6, IPPROTO_IPV6, IPV6_AUTH_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1) {
+ syslog(LOG_ERR, "<%s> IPV6_AUTH_TRANS_LEVEL: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+ }
+ if (flags->encrypt) {
+ optval = IPSEC_LEVEL_REQUIRE;
+ if (setsockopt(s6, IPPROTO_IPV6, IPV6_ESP_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1) {
+ syslog(LOG_ERR, "<%s> IPV6_ESP_TRANS_LEVEL: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+ }
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /* IPSEC */
+}
+
+static void
+sock4_open(struct flags *flags
+#ifdef IPSEC_POLICY_IPSEC
+ , char *policy
+#endif /* IPSEC_POLICY_IPSEC */
+ )
+{
+#ifdef IPSEC
+#ifndef IPSEC_POLICY_IPSEC
+ int optval;
+#endif
+#endif
+
+ if (with_v4dest == 0)
+ return;
+ if ((s4 = socket(AF_INET, SOCK_RAW, IPPROTO_ICMPV6)) < 0) {
+ syslog(LOG_ERR, "<%s> socket(v4): %s", __func__,
+ strerror(errno));
+ exit(1);
+ }
+
+#if 0 /* XXX: not necessary ?? */
+ /*
+ * join all routers multicast addresses.
+ */
+ some_join_function();
+#endif
+
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ if (flags->policy) {
+ char *buf;
+ buf = ipsec_set_policy(policy, strlen(policy));
+ if (buf == NULL)
+ errx(1, "%s", ipsec_strerror());
+ /* XXX should handle in/out bound policy. */
+ if (setsockopt(s4, IPPROTO_IP, IP_IPSEC_POLICY,
+ buf, ipsec_get_policylen(buf)) < 0)
+ err(1, "setsockopt(IP_IPSEC_POLICY)");
+ free(buf);
+ }
+#else /* IPSEC_POLICY_IPSEC */
+ if (flags->auth) {
+ optval = IPSEC_LEVEL_REQUIRE;
+ if (setsockopt(s4, IPPROTO_IP, IP_AUTH_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1) {
+ syslog(LOG_ERR, "<%s> IP_AUTH_TRANS_LEVEL: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+ }
+ if (flags->encrypt) {
+ optval = IPSEC_LEVEL_REQUIRE;
+ if (setsockopt(s4, IPPROTO_IP, IP_ESP_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1) {
+ syslog(LOG_ERR, "<%s> IP_ESP_TRANS_LEVEL: %s",
+ __func__, strerror(errno));
+ exit(1);
+ }
+ }
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /* IPSEC */
+}
+
+static void
+rrenum_output(struct payload_list *pl, struct dst_list *dl)
+{
+ int i, msglen = 0;
+ struct cmsghdr *cm;
+ struct in6_pktinfo *pi;
+ struct sockaddr_in6 *sin6 = NULL;
+
+ sndmhdr.msg_name = (caddr_t)dl->dl_dst;
+ if (dl->dl_dst->sa_family == AF_INET6)
+ sin6 = (struct sockaddr_in6 *)dl->dl_dst;
+
+ if (sin6 != NULL &&
+ IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) {
+ int hoplimit = RR_MCHLIM_DEFAULT;
+
+ cm = CMSG_FIRSTHDR(&sndmhdr);
+ /* specify the outgoing interface */
+ cm->cmsg_level = IPPROTO_IPV6;
+ cm->cmsg_type = IPV6_PKTINFO;
+ cm->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
+ pi = (struct in6_pktinfo *)CMSG_DATA(cm);
+ memset(&pi->ipi6_addr, 0, sizeof(pi->ipi6_addr)); /*XXX*/
+ pi->ipi6_ifindex = sin6->sin6_scope_id;
+ msglen += CMSG_LEN(sizeof(struct in6_pktinfo));
+
+ /* specify the hop limit of the packet if dest is link local */
+ /* not defined by router-renum-05.txt, but maybe its OK */
+ cm = CMSG_NXTHDR(&sndmhdr, cm);
+ cm->cmsg_level = IPPROTO_IPV6;
+ cm->cmsg_type = IPV6_HOPLIMIT;
+ cm->cmsg_len = CMSG_LEN(sizeof(int));
+ memcpy(CMSG_DATA(cm), &hoplimit, sizeof(int));
+ msglen += CMSG_LEN(sizeof(int));
+ }
+ sndmhdr.msg_controllen = msglen;
+ if (sndmhdr.msg_controllen == 0)
+ sndmhdr.msg_control = 0;
+
+ sndmhdr.msg_iov = &pl->pl_sndiov;
+ i = sendmsg(dl->dl_dst->sa_family == AF_INET ? s4 : s6, &sndmhdr, 0);
+
+ if (i < 0 || i != sndmhdr.msg_iov->iov_len)
+ syslog(LOG_ERR, "<%s> sendmsg: %s", __func__,
+ strerror(errno));
+}
+
+static void
+rrenum_snd_eachdst(struct payload_list *pl)
+{
+ struct dst_list *dl;
+
+ for (dl = dl_head; dl; dl = dl->dl_next) {
+ rrenum_output(pl, dl);
+ }
+}
+
+#if 0
+static void
+rrenum_snd_fullsequence()
+{
+ struct payload_list *pl;
+
+ for (pl = pl_head; pl; pl = pl->pl_next) {
+ rrenum_snd_eachdst(pl);
+ }
+}
+#endif
+
+static void
+rrenum_input(int s)
+{
+ int i;
+ struct icmp6_router_renum *rr;
+
+ /* get message */
+ if ((i = recvmsg(s, &rcvmhdr, 0)) < 0) {
+ syslog(LOG_ERR, "<%s> recvmsg: %s", __func__,
+ strerror(errno));
+ return;
+ }
+ if (s == s4)
+ i -= sizeof(struct ip);
+ if (i < sizeof(struct icmp6_router_renum)) {
+ syslog(LOG_ERR, "<%s> packet size(%d) is too short",
+ __func__, i);
+ return;
+ }
+ if (s == s4) {
+ struct ip *ip = (struct ip *)rcvmhdr.msg_iov->iov_base;
+
+ rr = (struct icmp6_router_renum *)(ip + 1);
+ } else /* s == s6 */
+ rr = (struct icmp6_router_renum *)rcvmhdr.msg_iov->iov_base;
+
+ switch(rr->rr_code) {
+ case ICMP6_ROUTER_RENUMBERING_COMMAND:
+ /* COMMAND will be processed by rtadvd */
+ break;
+ case ICMP6_ROUTER_RENUMBERING_RESULT:
+ /* TODO: receiving result message */
+ break;
+ default:
+ syslog(LOG_ERR, "<%s> received unknown code %d",
+ __func__, rr->rr_code);
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ FILE *fp = stdin;
+ fd_set fdset;
+ struct timeval timeout;
+ int ch, i, maxfd = 0, send_counter = 0;
+ struct flags flags;
+ struct payload_list *pl;
+#ifdef IPSEC_POLICY_IPSEC
+ char *policy = NULL;
+#endif
+
+ memset(&flags, 0, sizeof(flags));
+ openlog("rrenumd", LOG_PID, LOG_DAEMON);
+
+ /* get options */
+ while ((ch = getopt(argc, argv, "c:sdf"
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ "P:"
+#else /* IPSEC_POLICY_IPSEC */
+ "AE"
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /* IPSEC */
+ )) != -1){
+ switch (ch) {
+ case 'c':
+ if((fp = fopen(optarg, "r")) == NULL) {
+ syslog(LOG_ERR,
+ "<%s> config file %s open failed",
+ __func__, optarg);
+ exit(1);
+ }
+ break;
+ case 's':
+ fp = stdin;
+ break;
+ case 'd':
+ flags.debug = 1;
+ break;
+ case 'f':
+ flags.fg = 1;
+ break;
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ case 'P':
+ flags.policy = 1;
+ policy = strdup(optarg);
+ break;
+#else /* IPSEC_POLICY_IPSEC */
+ case 'A':
+ flags.auth = 1;
+ break;
+ case 'E':
+ flags.encrypt = 1;
+ break;
+#endif /* IPSEC_POLICY_IPSEC */
+#endif /*IPSEC*/
+ default:
+ show_usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ /* set log level */
+ if (flags.debug == 0)
+ (void)setlogmask(LOG_UPTO(LOG_ERR));
+ if (flags.debug == 1)
+ (void)setlogmask(LOG_UPTO(LOG_INFO));
+
+ /* init global variables */
+ init_globals();
+
+ config(&fp);
+
+ sock6_open(&flags
+#ifdef IPSEC_POLICY_IPSEC
+ , policy
+#endif /* IPSEC_POLICY_IPSEC */
+ );
+ sock4_open(&flags
+#ifdef IPSEC_POLICY_IPSEC
+ , policy
+#endif /* IPSEC_POLICY_IPSEC */
+ );
+
+ if (!flags.fg)
+ daemon(0, 0);
+
+ FD_ZERO(&fdset);
+ if (with_v6dest) {
+ FD_SET(s6, &fdset);
+ if (s6 > maxfd)
+ maxfd = s6;
+ }
+ if (with_v4dest) {
+ FD_SET(s4, &fdset);
+ if (s4 > maxfd)
+ maxfd = s4;
+ }
+
+ /* ADHOC: timeout each 30seconds */
+ memset(&timeout, 0, sizeof(timeout));
+
+ /* init temporary payload_list and send_counter*/
+ pl = pl_head;
+ send_counter = retry + 1;
+ while (1) {
+ struct fd_set select_fd = fdset; /* reinitialize */
+
+ if ((i = select(maxfd + 1, &select_fd, NULL, NULL,
+ &timeout)) < 0){
+ syslog(LOG_ERR, "<%s> select: %s",
+ __func__, strerror(errno));
+ continue;
+ }
+ if (i == 0) { /* timeout */
+ if (pl == NULL)
+ exit(0);
+ rrenum_snd_eachdst(pl);
+ send_counter--;
+ timeout.tv_sec = 30;
+ if (send_counter == 0) {
+ timeout.tv_sec = 0;
+ pl = pl->pl_next;
+ send_counter = retry + 1;
+ }
+ }
+ if (FD_ISSET(s4, &select_fd))
+ rrenum_input(s4);
+ if (FD_ISSET(s6, &select_fd))
+ rrenum_input(s6);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-02 03:42:55 +0000